Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2)  * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  * This software is available to you under a choice of one of two
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  * licenses.  You may choose to be licensed under the terms of the GNU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7)  * General Public License (GPL) Version 2, available from the file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8)  * COPYING in the main directory of this source tree, or the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9)  * OpenIB.org BSD license below:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11)  *     Redistribution and use in source and binary forms, with or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12)  *     without modification, are permitted provided that the following
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13)  *     conditions are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15)  *      - Redistributions of source code must retain the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16)  *        copyright notice, this list of conditions and the following
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17)  *        disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19)  *      - Redistributions in binary form must reproduce the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20)  *        copyright notice, this list of conditions and the following
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21)  *        disclaimer in the documentation and/or other materials
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22)  *        provided with the distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24)  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25)  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26)  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27)  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28)  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29)  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30)  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31)  * SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) #include <linux/inetdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) #include <linux/rtnetlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41) #include <linux/if_vlan.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) #include <linux/sched/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43) #include <linux/sched/task.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) #include <net/ipv6.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) #include <net/addrconf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) #include <net/devlink.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) #include <rdma/ib_smi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) #include <rdma/ib_user_verbs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) #include <rdma/ib_addr.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) #include <rdma/ib_cache.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) #include <net/bonding.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) #include <linux/mlx4/driver.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) #include <linux/mlx4/cmd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) #include <linux/mlx4/qp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) #include "mlx4_ib.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) #include <rdma/mlx4-abi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) #define DRV_NAME	MLX4_IB_DRV_NAME
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) #define DRV_VERSION	"4.0-0"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) #define MLX4_IB_FLOW_MAX_PRIO 0xFFF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) #define MLX4_IB_FLOW_QPN_MASK 0xFFFFFF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) #define MLX4_IB_CARD_REV_A0   0xA0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) MODULE_AUTHOR("Roland Dreier");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) MODULE_LICENSE("Dual BSD/GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) int mlx4_ib_sm_guid_assign = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) module_param_named(sm_guid_assign, mlx4_ib_sm_guid_assign, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) MODULE_PARM_DESC(sm_guid_assign, "Enable SM alias_GUID assignment if sm_guid_assign > 0 (Default: 0)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) static const char mlx4_ib_version[] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) 	DRV_NAME ": Mellanox ConnectX InfiniBand driver v"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) 	DRV_VERSION "\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) static enum rdma_link_layer mlx4_ib_port_link_layer(struct ib_device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) 						    u8 port_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) static struct workqueue_struct *wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) static void init_query_mad(struct ib_smp *mad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) 	mad->base_version  = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) 	mad->mgmt_class    = IB_MGMT_CLASS_SUBN_LID_ROUTED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) 	mad->class_version = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) 	mad->method	   = IB_MGMT_METHOD_GET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) static int check_flow_steering_support(struct mlx4_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) 	int eth_num_ports = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 	int ib_num_ports = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 	int dmfs = dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 	if (dmfs) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 		int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 		mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 			eth_num_ports++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) 		mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 			ib_num_ports++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 		dmfs &= (!ib_num_ports ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 			 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 			(!eth_num_ports ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 			 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FS_EN));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 		if (ib_num_ports && mlx4_is_mfunc(dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 			pr_warn("Device managed flow steering is unavailable for IB port in multifunction env.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 			dmfs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 	return dmfs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) static int num_ib_ports(struct mlx4_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 	int ib_ports = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) 	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 		ib_ports++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 	return ib_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) static struct net_device *mlx4_ib_get_netdev(struct ib_device *device, u8 port_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 	struct mlx4_ib_dev *ibdev = to_mdev(device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 	struct net_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 	rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 	dev = mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) 	if (dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 		if (mlx4_is_bonded(ibdev->dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 			struct net_device *upper = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 			upper = netdev_master_upper_dev_get_rcu(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 			if (upper) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 				struct net_device *active;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 				active = bond_option_active_slave_get_rcu(netdev_priv(upper));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 				if (active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 					dev = active;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 	if (dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 		dev_hold(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 	rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 	return dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) static int mlx4_ib_update_gids_v1(struct gid_entry *gids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) 				  struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 				  u8 port_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 	struct mlx4_cmd_mailbox *mailbox;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	struct mlx4_dev *dev = ibdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 	union ib_gid *gid_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 	mailbox = mlx4_alloc_cmd_mailbox(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 	if (IS_ERR(mailbox))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 	gid_tbl = mailbox->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 	for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 		memcpy(&gid_tbl[i], &gids[i].gid, sizeof(union ib_gid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	err = mlx4_cmd(dev, mailbox->dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 		       MLX4_SET_PORT_GID_TABLE << 8 | port_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 		       1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 		       MLX4_CMD_WRAPPED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 	if (mlx4_is_bonded(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 		err += mlx4_cmd(dev, mailbox->dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 				MLX4_SET_PORT_GID_TABLE << 8 | 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 				1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 				MLX4_CMD_WRAPPED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 	mlx4_free_cmd_mailbox(dev, mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) static int mlx4_ib_update_gids_v1_v2(struct gid_entry *gids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 				     struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 				     u8 port_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 	struct mlx4_cmd_mailbox *mailbox;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 	struct mlx4_dev *dev = ibdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 	struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 		union ib_gid	gid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 		__be32		rsrvd1[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 		__be16		rsrvd2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 		u8		type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 		u8		version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 		__be32		rsrvd3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 	} *gid_tbl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 	mailbox = mlx4_alloc_cmd_mailbox(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 	if (IS_ERR(mailbox))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 	gid_tbl = mailbox->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 	for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 		memcpy(&gid_tbl[i].gid, &gids[i].gid, sizeof(union ib_gid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 		if (gids[i].gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 			gid_tbl[i].version = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 			if (!ipv6_addr_v4mapped((struct in6_addr *)&gids[i].gid))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 				gid_tbl[i].type = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 	err = mlx4_cmd(dev, mailbox->dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 		       MLX4_SET_PORT_ROCE_ADDR << 8 | port_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 		       1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 		       MLX4_CMD_WRAPPED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 	if (mlx4_is_bonded(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 		err += mlx4_cmd(dev, mailbox->dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 				MLX4_SET_PORT_ROCE_ADDR << 8 | 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 				1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 				MLX4_CMD_WRAPPED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 	mlx4_free_cmd_mailbox(dev, mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) static int mlx4_ib_update_gids(struct gid_entry *gids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 			       struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 			       u8 port_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 	if (ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 		return mlx4_ib_update_gids_v1_v2(gids, ibdev, port_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 	return mlx4_ib_update_gids_v1(gids, ibdev, port_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) static void free_gid_entry(struct gid_entry *entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 	memset(&entry->gid, 0, sizeof(entry->gid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 	kfree(entry->ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 	entry->ctx = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) static int mlx4_ib_add_gid(const struct ib_gid_attr *attr, void **context)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 	struct mlx4_ib_dev *ibdev = to_mdev(attr->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) 	struct mlx4_ib_iboe *iboe = &ibdev->iboe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 	struct mlx4_port_gid_table   *port_gid_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) 	int free = -1, found = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 	int hw_update = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 	struct gid_entry *gids = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 	u16 vlan_id = 0xffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 	u8 mac[ETH_ALEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 	if (!rdma_cap_roce_gid_table(attr->device, attr->port_num))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 	if (attr->port_num > MLX4_MAX_PORTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) 	if (!context)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 	ret = rdma_read_gid_l2_fields(attr, &vlan_id, &mac[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 	port_gid_table = &iboe->gids[attr->port_num - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 	spin_lock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 	for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 		if (!memcmp(&port_gid_table->gids[i].gid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 			    &attr->gid, sizeof(attr->gid)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 		    port_gid_table->gids[i].gid_type == attr->gid_type &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 		    port_gid_table->gids[i].vlan_id == vlan_id)  {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 			found = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 		if (free < 0 && rdma_is_zero_gid(&port_gid_table->gids[i].gid))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 			free = i; /* HW has space */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 	if (found < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 		if (free < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 			ret = -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 			port_gid_table->gids[free].ctx = kmalloc(sizeof(*port_gid_table->gids[free].ctx), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) 			if (!port_gid_table->gids[free].ctx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 				ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 				*context = port_gid_table->gids[free].ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 				memcpy(&port_gid_table->gids[free].gid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 				       &attr->gid, sizeof(attr->gid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 				port_gid_table->gids[free].gid_type = attr->gid_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 				port_gid_table->gids[free].vlan_id = vlan_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 				port_gid_table->gids[free].ctx->real_index = free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 				port_gid_table->gids[free].ctx->refcount = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 				hw_update = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 		struct gid_cache_context *ctx = port_gid_table->gids[found].ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 		*context = ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 		ctx->refcount++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 	if (!ret && hw_update) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 		gids = kmalloc_array(MLX4_MAX_PORT_GIDS, sizeof(*gids),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 				     GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) 		if (!gids) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 			ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 			*context = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 			free_gid_entry(&port_gid_table->gids[free]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 			for (i = 0; i < MLX4_MAX_PORT_GIDS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 				memcpy(&gids[i].gid, &port_gid_table->gids[i].gid, sizeof(union ib_gid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 				gids[i].gid_type = port_gid_table->gids[i].gid_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 	spin_unlock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 	if (!ret && hw_update) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) 		ret = mlx4_ib_update_gids(gids, ibdev, attr->port_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) 			spin_lock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 			*context = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) 			free_gid_entry(&port_gid_table->gids[free]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 			spin_unlock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 		kfree(gids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) static int mlx4_ib_del_gid(const struct ib_gid_attr *attr, void **context)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 	struct gid_cache_context *ctx = *context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 	struct mlx4_ib_dev *ibdev = to_mdev(attr->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 	struct mlx4_ib_iboe *iboe = &ibdev->iboe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 	struct mlx4_port_gid_table   *port_gid_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 	int hw_update = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 	struct gid_entry *gids = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 	if (!rdma_cap_roce_gid_table(attr->device, attr->port_num))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 	if (attr->port_num > MLX4_MAX_PORTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 	port_gid_table = &iboe->gids[attr->port_num - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 	spin_lock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 	if (ctx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 		ctx->refcount--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 		if (!ctx->refcount) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) 			unsigned int real_index = ctx->real_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) 			free_gid_entry(&port_gid_table->gids[real_index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 			hw_update = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 	if (!ret && hw_update) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 		int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 		gids = kmalloc_array(MLX4_MAX_PORT_GIDS, sizeof(*gids),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) 				     GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 		if (!gids) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 			ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 			for (i = 0; i < MLX4_MAX_PORT_GIDS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) 				memcpy(&gids[i].gid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 				       &port_gid_table->gids[i].gid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 				       sizeof(union ib_gid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 				gids[i].gid_type =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) 				    port_gid_table->gids[i].gid_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) 	spin_unlock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 	if (!ret && hw_update) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) 		ret = mlx4_ib_update_gids(gids, ibdev, attr->port_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 		kfree(gids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 				    const struct ib_gid_attr *attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) 	struct mlx4_ib_iboe *iboe = &ibdev->iboe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 	struct gid_cache_context *ctx = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) 	struct mlx4_port_gid_table   *port_gid_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 	int real_index = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) 	u8 port_num = attr->port_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 	if (port_num > MLX4_MAX_PORTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 	if (mlx4_is_bonded(ibdev->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 		port_num = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 	if (!rdma_cap_roce_gid_table(&ibdev->ib_dev, port_num))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 		return attr->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 	spin_lock_irqsave(&iboe->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 	port_gid_table = &iboe->gids[port_num - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 	for (i = 0; i < MLX4_MAX_PORT_GIDS; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 		if (!memcmp(&port_gid_table->gids[i].gid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 			    &attr->gid, sizeof(attr->gid)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 		    attr->gid_type == port_gid_table->gids[i].gid_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 			ctx = port_gid_table->gids[i].ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 	if (ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 		real_index = ctx->real_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 	spin_unlock_irqrestore(&iboe->lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 	return real_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) static int mlx4_ib_query_device(struct ib_device *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 				struct ib_device_attr *props,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 				struct ib_udata *uhw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 	struct mlx4_ib_dev *dev = to_mdev(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 	struct ib_smp *in_mad  = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 	struct ib_smp *out_mad = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 	int have_ib_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 	struct mlx4_uverbs_ex_query_device cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 	struct mlx4_uverbs_ex_query_device_resp resp = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 	struct mlx4_clock_params clock_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 	if (uhw->inlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 		if (uhw->inlen < sizeof(cmd))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) 		err = ib_copy_from_udata(&cmd, uhw, sizeof(cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) 			return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 		if (cmd.comp_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) 		if (cmd.reserved)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 	resp.response_length = offsetof(typeof(resp), response_length) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 		sizeof(resp.response_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 	err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 	if (!in_mad || !out_mad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 	init_query_mad(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 	in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) 	err = mlx4_MAD_IFC(to_mdev(ibdev), MLX4_MAD_IFC_IGNORE_KEYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 			   1, NULL, NULL, in_mad, out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 	memset(props, 0, sizeof *props);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 	have_ib_ports = num_ib_ports(dev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 	props->fw_ver = dev->dev->caps.fw_ver;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 	props->device_cap_flags    = IB_DEVICE_CHANGE_PHY_PORT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 		IB_DEVICE_PORT_ACTIVE_EVENT		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 		IB_DEVICE_SYS_IMAGE_GUID		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) 		IB_DEVICE_RC_RNR_NAK_GEN		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 		IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) 		props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 		props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM && have_ib_ports)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 		props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 		props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 		props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 	if (dev->dev->caps.max_gso_sz &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 	    (dev->dev->rev_id != MLX4_IB_CARD_REV_A0) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 	    (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 		props->device_cap_flags |= IB_DEVICE_UD_TSO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 	if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 		props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 	if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 	    (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 	    (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 		props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 		props->device_cap_flags |= IB_DEVICE_XRC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) 	if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 		props->device_cap_flags |= IB_DEVICE_MEM_WINDOW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 	if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 		if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_WIN_TYPE_2B)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 			props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2B;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 			props->device_cap_flags |= IB_DEVICE_MEM_WINDOW_TYPE_2A;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 	if (dev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 		props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 	props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 	props->vendor_id	   = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 		0xffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 	props->vendor_part_id	   = dev->dev->persist->pdev->device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 	props->hw_ver		   = be32_to_cpup((__be32 *) (out_mad->data + 32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 	memcpy(&props->sys_image_guid, out_mad->data +	4, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 	props->max_mr_size	   = ~0ull;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) 	props->page_size_cap	   = dev->dev->caps.page_size_cap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 	props->max_qp		   = dev->dev->quotas.qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) 	props->max_qp_wr	   = dev->dev->caps.max_wqes - MLX4_IB_SQ_MAX_SPARE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 	props->max_send_sge =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 		min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 	props->max_recv_sge =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) 		min(dev->dev->caps.max_sq_sg, dev->dev->caps.max_rq_sg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 	props->max_sge_rd = MLX4_MAX_SGE_RD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 	props->max_cq		   = dev->dev->quotas.cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 	props->max_cqe		   = dev->dev->caps.max_cqes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 	props->max_mr		   = dev->dev->quotas.mpt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 	props->max_pd		   = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 	props->max_qp_rd_atom	   = dev->dev->caps.max_qp_dest_rdma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 	props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 	props->max_res_rd_atom	   = props->max_qp_rd_atom * props->max_qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 	props->max_srq		   = dev->dev->quotas.srq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 	props->max_srq_wr	   = dev->dev->caps.max_srq_wqes - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 	props->max_srq_sge	   = dev->dev->caps.max_srq_sge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 	props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 	props->local_ca_ack_delay  = dev->dev->caps.local_ca_ack_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 	props->atomic_cap	   = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 		IB_ATOMIC_HCA : IB_ATOMIC_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 	props->masked_atomic_cap   = props->atomic_cap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 	props->max_pkeys	   = dev->dev->caps.pkey_table_len[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 	props->max_mcast_grp	   = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 	props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 	props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 					   props->max_mcast_grp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 	props->hca_core_clock = dev->dev->caps.hca_core_clock * 1000UL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) 	props->timestamp_mask = 0xFFFFFFFFFFFFULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 	props->max_ah = INT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 	if (mlx4_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 	    mlx4_ib_port_link_layer(ibdev, 2) == IB_LINK_LAYER_ETHERNET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) 		if (dev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 			props->rss_caps.max_rwq_indirection_tables =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 				props->max_qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 			props->rss_caps.max_rwq_indirection_table_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 				dev->dev->caps.max_rss_tbl_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 			props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 			props->max_wq_type_rq = props->max_qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 		if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 			props->raw_packet_caps |= IB_RAW_PACKET_CAP_SCATTER_FCS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 	props->cq_caps.max_cq_moderation_count = MLX4_MAX_CQ_COUNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 	props->cq_caps.max_cq_moderation_period = MLX4_MAX_CQ_PERIOD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 	if (uhw->outlen >= resp.response_length + sizeof(resp.hca_core_clock_offset)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 		resp.response_length += sizeof(resp.hca_core_clock_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 		if (!mlx4_get_internal_clock_params(dev->dev, &clock_params)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 			resp.comp_mask |= MLX4_IB_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 			resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 	if (uhw->outlen >= resp.response_length +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 	    sizeof(resp.max_inl_recv_sz)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 		resp.response_length += sizeof(resp.max_inl_recv_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 		resp.max_inl_recv_sz  = dev->dev->caps.max_rq_sg *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 			sizeof(struct mlx4_wqe_data_seg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 	if (offsetofend(typeof(resp), rss_caps) <= uhw->outlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 		if (props->rss_caps.supported_qpts) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 			resp.rss_caps.rx_hash_function =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 				MLX4_IB_RX_HASH_FUNC_TOEPLITZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 			resp.rss_caps.rx_hash_fields_mask =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 				MLX4_IB_RX_HASH_SRC_IPV4 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 				MLX4_IB_RX_HASH_DST_IPV4 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 				MLX4_IB_RX_HASH_SRC_IPV6 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 				MLX4_IB_RX_HASH_DST_IPV6 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 				MLX4_IB_RX_HASH_SRC_PORT_TCP |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 				MLX4_IB_RX_HASH_DST_PORT_TCP |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 				MLX4_IB_RX_HASH_SRC_PORT_UDP |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) 				MLX4_IB_RX_HASH_DST_PORT_UDP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 			if (dev->dev->caps.tunnel_offload_mode ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 			    MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 				resp.rss_caps.rx_hash_fields_mask |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 					MLX4_IB_RX_HASH_INNER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 		resp.response_length = offsetof(typeof(resp), rss_caps) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 				       sizeof(resp.rss_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 	if (offsetofend(typeof(resp), tso_caps) <= uhw->outlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 		if (dev->dev->caps.max_gso_sz &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 		    ((mlx4_ib_port_link_layer(ibdev, 1) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 		    IB_LINK_LAYER_ETHERNET) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 		    (mlx4_ib_port_link_layer(ibdev, 2) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 		    IB_LINK_LAYER_ETHERNET))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 			resp.tso_caps.max_tso = dev->dev->caps.max_gso_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 			resp.tso_caps.supported_qpts |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 				1 << IB_QPT_RAW_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 		resp.response_length = offsetof(typeof(resp), tso_caps) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 				       sizeof(resp.tso_caps);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 	if (uhw->outlen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 		err = ib_copy_to_udata(uhw, &resp, resp.response_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 	kfree(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) 	kfree(out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) static enum rdma_link_layer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 	struct mlx4_dev *dev = to_mdev(device)->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 	return dev->caps.port_mask[port_num] == MLX4_PORT_TYPE_IB ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 		IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) static int ib_link_query_port(struct ib_device *ibdev, u8 port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 			      struct ib_port_attr *props, int netw_view)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 	struct ib_smp *in_mad  = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 	struct ib_smp *out_mad = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 	int ext_active_speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 	int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 	int err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 	if (!in_mad || !out_mad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 	init_query_mad(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 	in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 	in_mad->attr_mod = cpu_to_be32(port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 	if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 		mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 	err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 				in_mad, out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 	props->lid		= be16_to_cpup((__be16 *) (out_mad->data + 16));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 	props->lmc		= out_mad->data[34] & 0x7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 	props->sm_lid		= be16_to_cpup((__be16 *) (out_mad->data + 18));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 	props->sm_sl		= out_mad->data[36] & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 	props->state		= out_mad->data[32] & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 	props->phys_state	= out_mad->data[33] >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 	props->port_cap_flags	= be32_to_cpup((__be32 *) (out_mad->data + 20));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 	if (netw_view)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 		props->gid_tbl_len = out_mad->data[50];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) 		props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 	props->max_msg_sz	= to_mdev(ibdev)->dev->caps.max_msg_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 	props->pkey_tbl_len	= to_mdev(ibdev)->dev->caps.pkey_table_len[port];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 	props->bad_pkey_cntr	= be16_to_cpup((__be16 *) (out_mad->data + 46));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 	props->qkey_viol_cntr	= be16_to_cpup((__be16 *) (out_mad->data + 48));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 	props->active_width	= out_mad->data[31] & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 	props->active_speed	= out_mad->data[35] >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 	props->max_mtu		= out_mad->data[41] & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 	props->active_mtu	= out_mad->data[36] >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 	props->subnet_timeout	= out_mad->data[51] & 0x1f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 	props->max_vl_num	= out_mad->data[37] >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) 	props->init_type_reply	= out_mad->data[41] >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 	/* Check if extended speeds (EDR/FDR/...) are supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 	if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 		ext_active_speed = out_mad->data[62] >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 		switch (ext_active_speed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 		case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 			props->active_speed = IB_SPEED_FDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 		case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 			props->active_speed = IB_SPEED_EDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 	/* If reported active speed is QDR, check if is FDR-10 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 	if (props->active_speed == IB_SPEED_QDR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 		init_query_mad(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 		in_mad->attr_id = MLX4_ATTR_EXTENDED_PORT_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 		in_mad->attr_mod = cpu_to_be32(port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 		err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 				   NULL, NULL, in_mad, out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 		/* Checking LinkSpeedActive for FDR-10 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 		if (out_mad->data[15] & 0x1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) 			props->active_speed = IB_SPEED_FDR10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 	/* Avoid wrong speed value returned by FW if the IB link is down. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 	if (props->state == IB_PORT_DOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 		 props->active_speed = IB_SPEED_SDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	kfree(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 	kfree(out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) static u8 state_to_phys_state(enum ib_port_state state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 	return state == IB_PORT_ACTIVE ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 		IB_PORT_PHYS_STATE_LINK_UP : IB_PORT_PHYS_STATE_DISABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) static int eth_link_query_port(struct ib_device *ibdev, u8 port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 			       struct ib_port_attr *props)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 	struct mlx4_ib_dev *mdev = to_mdev(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 	struct mlx4_ib_iboe *iboe = &mdev->iboe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 	struct net_device *ndev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 	enum ib_mtu tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 	struct mlx4_cmd_mailbox *mailbox;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 	int is_bonded = mlx4_is_bonded(mdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 	if (IS_ERR(mailbox))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 		return PTR_ERR(mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 	err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 			   MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 			   MLX4_CMD_WRAPPED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 	props->active_width	=  (((u8 *)mailbox->buf)[5] == 0x40) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 				   (((u8 *)mailbox->buf)[5] == 0x20 /*56Gb*/) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 					   IB_WIDTH_4X : IB_WIDTH_1X;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 	props->active_speed	=  (((u8 *)mailbox->buf)[5] == 0x20 /*56Gb*/) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 					   IB_SPEED_FDR : IB_SPEED_QDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 	props->port_cap_flags	= IB_PORT_CM_SUP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 	props->ip_gids = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 	props->gid_tbl_len	= mdev->dev->caps.gid_table_len[port];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 	props->max_msg_sz	= mdev->dev->caps.max_msg_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 	if (mdev->dev->caps.pkey_table_len[port])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 		props->pkey_tbl_len = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 	props->max_mtu		= IB_MTU_4096;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 	props->max_vl_num	= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 	props->state		= IB_PORT_DOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 	props->phys_state	= state_to_phys_state(props->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 	props->active_mtu	= IB_MTU_256;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 	spin_lock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 	ndev = iboe->netdevs[port - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 	if (ndev && is_bonded) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 		rcu_read_lock(); /* required to get upper dev */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 		ndev = netdev_master_upper_dev_get_rcu(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 		rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 	if (!ndev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 		goto out_unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 	tmp = iboe_get_mtu(ndev->mtu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 	props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 	props->state		= (netif_running(ndev) && netif_carrier_ok(ndev)) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 					IB_PORT_ACTIVE : IB_PORT_DOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 	props->phys_state	= state_to_phys_state(props->state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) out_unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 	spin_unlock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 			 struct ib_port_attr *props, int netw_view)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 	/* props being zeroed by the caller, avoid zeroing it here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 	err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 		ib_link_query_port(ibdev, port, props, netw_view) :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 				eth_link_query_port(ibdev, port, props);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 			      struct ib_port_attr *props)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 	/* returns host view */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 	return __mlx4_ib_query_port(ibdev, port, props, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 			union ib_gid *gid, int netw_view)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 	struct ib_smp *in_mad  = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 	struct ib_smp *out_mad = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 	int err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 	struct mlx4_ib_dev *dev = to_mdev(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 	int clear = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 	int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 	if (!in_mad || !out_mad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 	init_query_mad(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) 	in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 	in_mad->attr_mod = cpu_to_be32(port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 	if (mlx4_is_mfunc(dev->dev) && netw_view)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 		mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 	err = mlx4_MAD_IFC(dev, mad_ifc_flags, port, NULL, NULL, in_mad, out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 	memcpy(gid->raw, out_mad->data + 8, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 	if (mlx4_is_mfunc(dev->dev) && !netw_view) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 		if (index) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 			/* For any index > 0, return the null guid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 			err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 			clear = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 	init_query_mad(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 	in_mad->attr_id  = IB_SMP_ATTR_GUID_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 	in_mad->attr_mod = cpu_to_be32(index / 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 	err = mlx4_MAD_IFC(dev, mad_ifc_flags, port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 			   NULL, NULL, in_mad, out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 	memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 	if (clear)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 		memset(gid->raw + 8, 0, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 	kfree(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 	kfree(out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 			     union ib_gid *gid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 	if (rdma_protocol_ib(ibdev, port))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 		return __mlx4_ib_query_gid(ibdev, port, index, gid, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) static int mlx4_ib_query_sl2vl(struct ib_device *ibdev, u8 port, u64 *sl2vl_tbl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) 	union sl2vl_tbl_to_u64 sl2vl64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 	struct ib_smp *in_mad  = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 	struct ib_smp *out_mad = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 	int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 	int err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 	int jj;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 	if (mlx4_is_slave(to_mdev(ibdev)->dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 		*sl2vl_tbl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 	in_mad  = kzalloc(sizeof(*in_mad), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 	out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 	if (!in_mad || !out_mad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 	init_query_mad(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 	in_mad->attr_id  = IB_SMP_ATTR_SL_TO_VL_TABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) 	in_mad->attr_mod = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 	if (mlx4_is_mfunc(to_mdev(ibdev)->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) 		mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 	err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 			   in_mad, out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 	for (jj = 0; jj < 8; jj++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 		sl2vl64.sl8[jj] = ((struct ib_smp *)out_mad)->data[jj];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 	*sl2vl_tbl = sl2vl64.sl64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 	kfree(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 	kfree(out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) static void mlx4_init_sl2vl_tbl(struct mlx4_ib_dev *mdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 	u64 sl2vl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 	for (i = 1; i <= mdev->dev->caps.num_ports; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 		if (mdev->dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 		err = mlx4_ib_query_sl2vl(&mdev->ib_dev, i, &sl2vl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 		if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 			pr_err("Unable to get default sl to vl mapping for port %d.  Using all zeroes (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) 			       i, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 			sl2vl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 		atomic64_set(&mdev->sl2vl[i - 1], sl2vl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 			 u16 *pkey, int netw_view)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 	struct ib_smp *in_mad  = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 	struct ib_smp *out_mad = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 	int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 	int err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 	if (!in_mad || !out_mad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 	init_query_mad(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	in_mad->attr_id  = IB_SMP_ATTR_PKEY_TABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 	in_mad->attr_mod = cpu_to_be32(index / 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 	if (mlx4_is_mfunc(to_mdev(ibdev)->dev) && netw_view)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 		mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 	err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 			   in_mad, out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 	*pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) 	kfree(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 	kfree(out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 	return __mlx4_ib_query_pkey(ibdev, port, index, pkey, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 				 struct ib_device_modify *props)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 	struct mlx4_cmd_mailbox *mailbox;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 	if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 	if (!(mask & IB_DEVICE_MODIFY_NODE_DESC))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 	if (mlx4_is_slave(to_mdev(ibdev)->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 	spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 	memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 	spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 	 * If possible, pass node desc to FW, so it can generate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 	 * a 144 trap.  If cmd fails, just ignore.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 	mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 	if (IS_ERR(mailbox))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 	memcpy(mailbox->buf, props->node_desc, IB_DEVICE_NODE_DESC_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 	mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 		 MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 	mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) static int mlx4_ib_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 			    u32 cap_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 	struct mlx4_cmd_mailbox *mailbox;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 	mailbox = mlx4_alloc_cmd_mailbox(dev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 	if (IS_ERR(mailbox))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 		return PTR_ERR(mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 	if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 		*(u8 *) mailbox->buf	     = !!reset_qkey_viols << 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 		((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) 		((u8 *) mailbox->buf)[3]     = !!reset_qkey_viols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) 		((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 	err = mlx4_cmd(dev->dev, mailbox->dma, port, MLX4_SET_PORT_IB_OPCODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 		       MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 		       MLX4_CMD_WRAPPED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 	mlx4_free_cmd_mailbox(dev->dev, mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) 			       struct ib_port_modify *props)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 	struct mlx4_ib_dev *mdev = to_mdev(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) 	u8 is_eth = mdev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 	struct ib_port_attr attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) 	u32 cap_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 	/* return OK if this is RoCE. CM calls ib_modify_port() regardless
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 	 * of whether port link layer is ETH or IB. For ETH ports, qkey
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 	 * violations and port capabilities are not meaningful.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 	if (is_eth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 	mutex_lock(&mdev->cap_mask_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 	err = ib_query_port(ibdev, port, &attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 	cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 		~props->clr_port_cap_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 	err = mlx4_ib_SET_PORT(mdev, port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 			       !!(mask & IB_PORT_RESET_QKEY_CNTR),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 			       cap_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 	mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) static int mlx4_ib_alloc_ucontext(struct ib_ucontext *uctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 				  struct ib_udata *udata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 	struct ib_device *ibdev = uctx->device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 	struct mlx4_ib_dev *dev = to_mdev(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 	struct mlx4_ib_ucontext *context = to_mucontext(uctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 	struct mlx4_ib_alloc_ucontext_resp_v3 resp_v3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 	struct mlx4_ib_alloc_ucontext_resp resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 	if (!dev->ib_active)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) 	if (ibdev->ops.uverbs_abi_ver ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) 	    MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) 		resp_v3.qp_tab_size      = dev->dev->caps.num_qps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) 		resp_v3.bf_reg_size      = dev->dev->caps.bf_reg_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) 		resp_v3.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) 		resp.dev_caps	      = dev->dev->caps.userspace_caps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) 		resp.qp_tab_size      = dev->dev->caps.num_qps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 		resp.bf_reg_size      = dev->dev->caps.bf_reg_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) 		resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) 		resp.cqe_size	      = dev->dev->caps.cqe_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) 	err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 	INIT_LIST_HEAD(&context->db_page_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) 	mutex_init(&context->db_page_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 	INIT_LIST_HEAD(&context->wqn_ranges_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 	mutex_init(&context->wqn_ranges_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 	if (ibdev->ops.uverbs_abi_ver == MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 		err = ib_copy_to_udata(udata, &resp_v3, sizeof(resp_v3));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 		err = ib_copy_to_udata(udata, &resp, sizeof(resp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) 		mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) static void mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 	struct mlx4_ib_ucontext *context = to_mucontext(ibcontext);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 	mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) static void mlx4_ib_disassociate_ucontext(struct ib_ucontext *ibcontext)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 	struct mlx4_ib_dev *dev = to_mdev(context->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 	switch (vma->vm_pgoff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 		return rdma_user_mmap_io(context, vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 					 to_mucontext(context)->uar.pfn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 					 PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 					 pgprot_noncached(vma->vm_page_prot),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 					 NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 		if (dev->dev->caps.bf_reg_size == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 		return rdma_user_mmap_io(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 			context, vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 			to_mucontext(context)->uar.pfn +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 				dev->dev->caps.num_uars,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 			PAGE_SIZE, pgprot_writecombine(vma->vm_page_prot),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 			NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 	case 3: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 		struct mlx4_clock_params params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 		int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 		ret = mlx4_get_internal_clock_params(dev->dev, &params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 		return rdma_user_mmap_io(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 			context, vma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 			(pci_resource_start(dev->dev->persist->pdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 					    params.bar) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 			 params.offset) >>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 				PAGE_SHIFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 			PAGE_SIZE, pgprot_noncached(vma->vm_page_prot),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 			NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) static int mlx4_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) 	struct mlx4_ib_pd *pd = to_mpd(ibpd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 	struct ib_device *ibdev = ibpd->device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 	err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 	if (udata && ib_copy_to_udata(udata, &pd->pdn, sizeof(__u32))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 		mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) static int mlx4_ib_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 	mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) static int mlx4_ib_alloc_xrcd(struct ib_xrcd *ibxrcd, struct ib_udata *udata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 	struct mlx4_ib_dev *dev = to_mdev(ibxrcd->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 	struct mlx4_ib_xrcd *xrcd = to_mxrcd(ibxrcd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 	struct ib_cq_init_attr cq_attr = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) 	if (!(dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) 	err = mlx4_xrcd_alloc(dev->dev, &xrcd->xrcdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 	xrcd->pd = ib_alloc_pd(ibxrcd->device, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 	if (IS_ERR(xrcd->pd)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 		err = PTR_ERR(xrcd->pd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 		goto err2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 	cq_attr.cqe = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 	xrcd->cq = ib_create_cq(ibxrcd->device, NULL, NULL, xrcd, &cq_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 	if (IS_ERR(xrcd->cq)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 		err = PTR_ERR(xrcd->cq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 		goto err3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) err3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 	ib_dealloc_pd(xrcd->pd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) err2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 	mlx4_xrcd_free(dev->dev, xrcd->xrcdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 	ib_destroy_cq(to_mxrcd(xrcd)->cq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 	ib_dealloc_pd(to_mxrcd(xrcd)->pd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 	mlx4_xrcd_free(to_mdev(xrcd->device)->dev, to_mxrcd(xrcd)->xrcdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 	struct mlx4_ib_qp *mqp = to_mqp(ibqp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 	struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 	struct mlx4_ib_gid_entry *ge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) 	ge = kzalloc(sizeof *ge, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 	if (!ge)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 	ge->gid = *gid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 	if (mlx4_ib_add_mc(mdev, mqp, gid)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 		ge->port = mqp->port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 		ge->added = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 	mutex_lock(&mqp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 	list_add_tail(&ge->list, &mqp->gid_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 	mutex_unlock(&mqp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) static void mlx4_ib_delete_counters_table(struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 					  struct mlx4_ib_counters *ctr_table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 	struct counter_index *counter, *tmp_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 	mutex_lock(&ctr_table->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 	list_for_each_entry_safe(counter, tmp_count, &ctr_table->counters_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 				 list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 		if (counter->allocated)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 			mlx4_counter_free(ibdev->dev, counter->index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 		list_del(&counter->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 		kfree(counter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 	mutex_unlock(&ctr_table->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 		   union ib_gid *gid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 	struct net_device *ndev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 	if (!mqp->port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) 	spin_lock_bh(&mdev->iboe.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 	ndev = mdev->iboe.netdevs[mqp->port - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) 	if (ndev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 		dev_hold(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) 	spin_unlock_bh(&mdev->iboe.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) 	if (ndev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) 		ret = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 		dev_put(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) struct mlx4_ib_steering {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 	struct mlx4_flow_reg_id reg_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 	union ib_gid gid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) #define LAST_ETH_FIELD vlan_tag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) #define LAST_IB_FIELD sl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) #define LAST_IPV4_FIELD dst_ip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) #define LAST_TCP_UDP_FIELD src_port
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) /* Field is the last supported field */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) #define FIELDS_NOT_SUPPORTED(filter, field)\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 	memchr_inv((void *)&filter.field  +\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 		   sizeof(filter.field), 0,\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 		   sizeof(filter) -\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 		   offsetof(typeof(filter), field) -\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 		   sizeof(filter.field))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) static int parse_flow_attr(struct mlx4_dev *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 			   u32 qp_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 			   union ib_flow_spec *ib_spec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 			   struct _rule_hw *mlx4_spec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 	enum mlx4_net_trans_rule_id type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 	switch (ib_spec->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 	case IB_FLOW_SPEC_ETH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 		if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 			return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 		type = MLX4_NET_TRANS_RULE_ID_ETH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 		memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) 		       ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 		memcpy(mlx4_spec->eth.dst_mac_msk, ib_spec->eth.mask.dst_mac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) 		       ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 		mlx4_spec->eth.vlan_tag = ib_spec->eth.val.vlan_tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) 		mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 	case IB_FLOW_SPEC_IB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 		if (FIELDS_NOT_SUPPORTED(ib_spec->ib.mask, LAST_IB_FIELD))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 			return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 		type = MLX4_NET_TRANS_RULE_ID_IB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 		mlx4_spec->ib.l3_qpn =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) 			cpu_to_be32(qp_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 		mlx4_spec->ib.qpn_mask =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 			cpu_to_be32(MLX4_IB_FLOW_QPN_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) 	case IB_FLOW_SPEC_IPV4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) 		if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) 			return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) 		type = MLX4_NET_TRANS_RULE_ID_IPV4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) 		mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 		mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) 		mlx4_spec->ipv4.dst_ip = ib_spec->ipv4.val.dst_ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 		mlx4_spec->ipv4.dst_ip_msk = ib_spec->ipv4.mask.dst_ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 	case IB_FLOW_SPEC_TCP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 	case IB_FLOW_SPEC_UDP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 		if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, LAST_TCP_UDP_FIELD))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 			return -ENOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 		type = ib_spec->type == IB_FLOW_SPEC_TCP ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 					MLX4_NET_TRANS_RULE_ID_TCP :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 					MLX4_NET_TRANS_RULE_ID_UDP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 		mlx4_spec->tcp_udp.dst_port = ib_spec->tcp_udp.val.dst_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 		mlx4_spec->tcp_udp.dst_port_msk = ib_spec->tcp_udp.mask.dst_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 		mlx4_spec->tcp_udp.src_port = ib_spec->tcp_udp.val.src_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 		mlx4_spec->tcp_udp.src_port_msk = ib_spec->tcp_udp.mask.src_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) 	if (mlx4_map_sw_to_hw_steering_id(dev, type) < 0 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 	    mlx4_hw_rule_sz(dev, type) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 	mlx4_spec->id = cpu_to_be16(mlx4_map_sw_to_hw_steering_id(dev, type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 	mlx4_spec->size = mlx4_hw_rule_sz(dev, type) >> 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) 	return mlx4_hw_rule_sz(dev, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) struct default_rules {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) 	__u32 mandatory_fields[IB_FLOW_SPEC_SUPPORT_LAYERS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) 	__u32 mandatory_not_fields[IB_FLOW_SPEC_SUPPORT_LAYERS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) 	__u32 rules_create_list[IB_FLOW_SPEC_SUPPORT_LAYERS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) 	__u8  link_layer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) static const struct default_rules default_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 		.mandatory_fields = {IB_FLOW_SPEC_IPV4},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 		.mandatory_not_fields = {IB_FLOW_SPEC_ETH},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 		.rules_create_list = {IB_FLOW_SPEC_IB},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 		.link_layer = IB_LINK_LAYER_INFINIBAND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) static int __mlx4_ib_default_rules_match(struct ib_qp *qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 					 struct ib_flow_attr *flow_attr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 	int i, j, k;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 	void *ib_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) 	const struct default_rules *pdefault_rules = default_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 	u8 link_layer = rdma_port_get_link_layer(qp->device, flow_attr->port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) 	for (i = 0; i < ARRAY_SIZE(default_table); i++, pdefault_rules++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) 		__u32 field_types[IB_FLOW_SPEC_SUPPORT_LAYERS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 		memset(&field_types, 0, sizeof(field_types));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) 		if (link_layer != pdefault_rules->link_layer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 		ib_flow = flow_attr + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 		/* we assume the specs are sorted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 		for (j = 0, k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 		     j < flow_attr->num_of_specs; k++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 			union ib_flow_spec *current_flow =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 				(union ib_flow_spec *)ib_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 			/* same layer but different type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 			if (((current_flow->type & IB_FLOW_SPEC_LAYER_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 			     (pdefault_rules->mandatory_fields[k] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 			      IB_FLOW_SPEC_LAYER_MASK)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 			    (current_flow->type !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) 			     pdefault_rules->mandatory_fields[k]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 			/* same layer, try match next one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 			if (current_flow->type ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 			    pdefault_rules->mandatory_fields[k]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 				j++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 				ib_flow +=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) 					((union ib_flow_spec *)ib_flow)->size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 		ib_flow = flow_attr + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 		for (j = 0; j < flow_attr->num_of_specs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 		     j++, ib_flow += ((union ib_flow_spec *)ib_flow)->size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 			for (k = 0; k < IB_FLOW_SPEC_SUPPORT_LAYERS; k++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 				/* same layer and same type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 				if (((union ib_flow_spec *)ib_flow)->type ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 				    pdefault_rules->mandatory_not_fields[k])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 					goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 		return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 	return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) static int __mlx4_ib_create_default_rules(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) 		struct mlx4_ib_dev *mdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 		struct ib_qp *qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) 		const struct default_rules *pdefault_rules,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 		struct _rule_hw *mlx4_spec) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) 	int size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) 	for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) 		union ib_flow_spec ib_spec = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 		int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) 		switch (pdefault_rules->rules_create_list[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 		case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 			/* no rule */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 		case IB_FLOW_SPEC_IB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 			ib_spec.type = IB_FLOW_SPEC_IB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 			ib_spec.size = sizeof(struct ib_flow_spec_ib);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 			/* invalid rule */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 		/* We must put empty rule, qpn is being ignored */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 		ret = parse_flow_attr(mdev->dev, 0, &ib_spec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 				      mlx4_spec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 		if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 			pr_info("invalid parsing\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) 		mlx4_spec = (void *)mlx4_spec + ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) 		size += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) 	return size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) static int __mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) 			  int domain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) 			  enum mlx4_net_trans_promisc_mode flow_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) 			  u64 *reg_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 	int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) 	int size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 	void *ib_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 	struct mlx4_ib_dev *mdev = to_mdev(qp->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) 	struct mlx4_cmd_mailbox *mailbox;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 	struct mlx4_net_trans_rule_hw_ctrl *ctrl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) 	int default_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 	if (flow_attr->priority > MLX4_IB_FLOW_MAX_PRIO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) 		pr_err("Invalid priority value %d\n", flow_attr->priority);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 	if (mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) 	mailbox = mlx4_alloc_cmd_mailbox(mdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 	if (IS_ERR(mailbox))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) 		return PTR_ERR(mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 	ctrl = mailbox->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	ctrl->prio = cpu_to_be16(domain | flow_attr->priority);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 	ctrl->type = mlx4_map_sw_to_hw_steering_mode(mdev->dev, flow_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 	ctrl->port = flow_attr->port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 	ctrl->qpn = cpu_to_be32(qp->qp_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 	ib_flow = flow_attr + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 	size += sizeof(struct mlx4_net_trans_rule_hw_ctrl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 	/* Add default flows */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 	default_flow = __mlx4_ib_default_rules_match(qp, flow_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	if (default_flow >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 		ret = __mlx4_ib_create_default_rules(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 				mdev, qp, default_table + default_flow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 				mailbox->buf + size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 		if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 			mlx4_free_cmd_mailbox(mdev->dev, mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 		size += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 	for (i = 0; i < flow_attr->num_of_specs; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 		ret = parse_flow_attr(mdev->dev, qp->qp_num, ib_flow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 				      mailbox->buf + size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 		if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) 			mlx4_free_cmd_mailbox(mdev->dev, mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 		ib_flow += ((union ib_flow_spec *) ib_flow)->size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) 		size += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 	if (mlx4_is_master(mdev->dev) && flow_type == MLX4_FS_REGULAR &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 	    flow_attr->num_of_specs == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) 		struct _rule_hw *rule_header = (struct _rule_hw *)(ctrl + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 		enum ib_flow_spec_type header_spec =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 			((union ib_flow_spec *)(flow_attr + 1))->type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 		if (header_spec == IB_FLOW_SPEC_ETH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 			mlx4_handle_eth_header_mcast_prio(ctrl, rule_header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 	ret = mlx4_cmd_imm(mdev->dev, mailbox->dma, reg_id, size >> 2, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 			   MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 			   MLX4_CMD_NATIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 	if (ret == -ENOMEM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 		pr_err("mcg table is full. Fail to register network rule.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 	else if (ret == -ENXIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 		pr_err("Device managed flow steering is disabled. Fail to register network rule.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 	else if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 		pr_err("Invalid argument. Fail to register network rule.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 	mlx4_free_cmd_mailbox(mdev->dev, mailbox);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 	err = mlx4_cmd(dev, reg_id, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 		       MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 		       MLX4_CMD_NATIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 		pr_err("Fail to detach network rule. registration id = 0x%llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 		       reg_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 				    u64 *reg_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 	void *ib_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 	union ib_flow_spec *ib_spec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 	struct mlx4_dev	*dev = to_mdev(qp->device)->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 	if (dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 	    dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 		return 0; /* do nothing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 	ib_flow = flow_attr + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 	ib_spec = (union ib_flow_spec *)ib_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 	if (ib_spec->type !=  IB_FLOW_SPEC_ETH || flow_attr->num_of_specs != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 		return 0; /* do nothing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 	err = mlx4_tunnel_steer_add(to_mdev(qp->device)->dev, ib_spec->eth.val.dst_mac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 				    flow_attr->port, qp->qp_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) 				    MLX4_DOMAIN_UVERBS | (flow_attr->priority & 0xff),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 				    reg_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) static int mlx4_ib_add_dont_trap_rule(struct mlx4_dev *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 				      struct ib_flow_attr *flow_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 				      enum mlx4_net_trans_promisc_mode *type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 	int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 	if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 	    (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 	    (flow_attr->num_of_specs > 1) || (flow_attr->priority != 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 		return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 	if (flow_attr->num_of_specs == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) 		type[0] = MLX4_FS_MC_SNIFFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 		type[1] = MLX4_FS_UC_SNIFFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 		union ib_flow_spec *ib_spec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 		ib_spec = (union ib_flow_spec *)(flow_attr + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 		if (ib_spec->type !=  IB_FLOW_SPEC_ETH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 		/* if all is zero than MC and UC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 		if (is_zero_ether_addr(ib_spec->eth.mask.dst_mac)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 			type[0] = MLX4_FS_MC_SNIFFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 			type[1] = MLX4_FS_UC_SNIFFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 			u8 mac[ETH_ALEN] = {ib_spec->eth.mask.dst_mac[0] ^ 0x01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 					    ib_spec->eth.mask.dst_mac[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 					    ib_spec->eth.mask.dst_mac[2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 					    ib_spec->eth.mask.dst_mac[3],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 					    ib_spec->eth.mask.dst_mac[4],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 					    ib_spec->eth.mask.dst_mac[5]};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 			/* Above xor was only on MC bit, non empty mask is valid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 			 * only if this bit is set and rest are zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 			if (!is_zero_ether_addr(&mac[0]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 				return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 			if (is_multicast_ether_addr(ib_spec->eth.val.dst_mac))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 				type[0] = MLX4_FS_MC_SNIFFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 				type[0] = MLX4_FS_UC_SNIFFER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 					   struct ib_flow_attr *flow_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 					   struct ib_udata *udata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 	int err = 0, i = 0, j = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 	struct mlx4_ib_flow *mflow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 	enum mlx4_net_trans_promisc_mode type[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 	struct mlx4_dev *dev = (to_mdev(qp->device))->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 	int is_bonded = mlx4_is_bonded(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) 	if (flow_attr->port < 1 || flow_attr->port > qp->device->phys_port_cnt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 		return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) 	if (flow_attr->flags & ~IB_FLOW_ATTR_FLAGS_DONT_TRAP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 		return ERR_PTR(-EOPNOTSUPP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 	if ((flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 	    (flow_attr->type != IB_FLOW_ATTR_NORMAL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 		return ERR_PTR(-EOPNOTSUPP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 	if (udata &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 	    udata->inlen && !ib_is_udata_cleared(udata, 0, udata->inlen))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 		return ERR_PTR(-EOPNOTSUPP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 	memset(type, 0, sizeof(type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 	mflow = kzalloc(sizeof(*mflow), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) 	if (!mflow) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 		err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 		goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) 	switch (flow_attr->type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 	case IB_FLOW_ATTR_NORMAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) 		/* If dont trap flag (continue match) is set, under specific
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 		 * condition traffic be replicated to given qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) 		 * without stealing it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 		if (unlikely(flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 			err = mlx4_ib_add_dont_trap_rule(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 							 flow_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 							 type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 			if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 				goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 			type[0] = MLX4_FS_REGULAR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) 	case IB_FLOW_ATTR_ALL_DEFAULT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 		type[0] = MLX4_FS_ALL_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 	case IB_FLOW_ATTR_MC_DEFAULT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 		type[0] = MLX4_FS_MC_DEFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 	case IB_FLOW_ATTR_SNIFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 		type[0] = MLX4_FS_MIRROR_RX_PORT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 		type[1] = MLX4_FS_MIRROR_SX_PORT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 		err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 		goto err_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 	while (i < ARRAY_SIZE(type) && type[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 		err = __mlx4_ib_create_flow(qp, flow_attr, MLX4_DOMAIN_UVERBS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 					    type[i], &mflow->reg_id[i].id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 			goto err_create_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 		if (is_bonded) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 			/* Application always sees one port so the mirror rule
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 			 * must be on port #2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 			flow_attr->port = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 			err = __mlx4_ib_create_flow(qp, flow_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 						    MLX4_DOMAIN_UVERBS, type[j],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 						    &mflow->reg_id[j].mirror);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 			flow_attr->port = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 			if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 				goto err_create_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 			j++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 	if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 		err = mlx4_ib_tunnel_steer_add(qp, flow_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) 					       &mflow->reg_id[i].id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 			goto err_create_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 		if (is_bonded) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 			flow_attr->port = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) 			err = mlx4_ib_tunnel_steer_add(qp, flow_attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) 						       &mflow->reg_id[j].mirror);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) 			flow_attr->port = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 			if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) 				goto err_create_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) 			j++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) 		/* function to create mirror rule */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) 	return &mflow->ibflow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) err_create_flow:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) 	while (i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 		(void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) 					     mflow->reg_id[i].id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) 		i--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 	while (j) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 		(void)__mlx4_ib_destroy_flow(to_mdev(qp->device)->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) 					     mflow->reg_id[j].mirror);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 		j--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) err_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) 	kfree(mflow);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 	return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) static int mlx4_ib_destroy_flow(struct ib_flow *flow_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) 	int err, ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) 	int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) 	struct mlx4_ib_dev *mdev = to_mdev(flow_id->qp->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) 	struct mlx4_ib_flow *mflow = to_mflow(flow_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) 	while (i < ARRAY_SIZE(mflow->reg_id) && mflow->reg_id[i].id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) 		err = __mlx4_ib_destroy_flow(mdev->dev, mflow->reg_id[i].id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) 			ret = err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) 		if (mflow->reg_id[i].mirror) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) 			err = __mlx4_ib_destroy_flow(mdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 						     mflow->reg_id[i].mirror);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 			if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 				ret = err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) 	kfree(mflow);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) 	struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) 	struct mlx4_dev	*dev = mdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) 	struct mlx4_ib_qp *mqp = to_mqp(ibqp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) 	struct mlx4_ib_steering *ib_steering = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) 	enum mlx4_protocol prot = MLX4_PROT_IB_IPV6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 	struct mlx4_flow_reg_id	reg_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 	if (mdev->dev->caps.steering_mode ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) 	    MLX4_STEERING_MODE_DEVICE_MANAGED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) 		ib_steering = kmalloc(sizeof(*ib_steering), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) 		if (!ib_steering)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) 	err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, mqp->port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) 				    !!(mqp->flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) 				       MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 				    prot, &reg_id.id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 		pr_err("multicast attach op failed, err %d\n", err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 		goto err_malloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 	reg_id.mirror = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 	if (mlx4_is_bonded(dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 		err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 					    (mqp->port == 1) ? 2 : 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 					    !!(mqp->flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 					    MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 					    prot, &reg_id.mirror);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 			goto err_add;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 	err = add_gid_entry(ibqp, gid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 		goto err_add;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 	if (ib_steering) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 		memcpy(ib_steering->gid.raw, gid->raw, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 		ib_steering->reg_id = reg_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 		mutex_lock(&mqp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 		list_add(&ib_steering->list, &mqp->steering_rules);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 		mutex_unlock(&mqp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) err_add:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 	mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) 			      prot, reg_id.id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) 	if (reg_id.mirror)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) 		mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) 				      prot, reg_id.mirror);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) err_malloc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) 	kfree(ib_steering);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) 	struct mlx4_ib_gid_entry *ge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) 	struct mlx4_ib_gid_entry *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) 	struct mlx4_ib_gid_entry *ret = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) 	list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) 		if (!memcmp(raw, ge->gid.raw, 16)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) 			ret = ge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) 	struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) 	struct mlx4_dev *dev = mdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) 	struct mlx4_ib_qp *mqp = to_mqp(ibqp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) 	struct net_device *ndev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) 	struct mlx4_ib_gid_entry *ge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) 	struct mlx4_flow_reg_id reg_id = {0, 0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) 	enum mlx4_protocol prot =  MLX4_PROT_IB_IPV6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) 	if (mdev->dev->caps.steering_mode ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) 	    MLX4_STEERING_MODE_DEVICE_MANAGED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) 		struct mlx4_ib_steering *ib_steering;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) 		mutex_lock(&mqp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) 		list_for_each_entry(ib_steering, &mqp->steering_rules, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) 			if (!memcmp(ib_steering->gid.raw, gid->raw, 16)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) 				list_del(&ib_steering->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) 		mutex_unlock(&mqp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) 		if (&ib_steering->list == &mqp->steering_rules) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) 			pr_err("Couldn't find reg_id for mgid. Steering rule is left attached\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) 		reg_id = ib_steering->reg_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) 		kfree(ib_steering);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 	err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) 				    prot, reg_id.id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) 	if (mlx4_is_bonded(dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) 		err = mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) 					    prot, reg_id.mirror);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 			return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) 	mutex_lock(&mqp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 	ge = find_gid_entry(mqp, gid->raw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) 	if (ge) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) 		spin_lock_bh(&mdev->iboe.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) 		ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) 		if (ndev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) 			dev_hold(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) 		spin_unlock_bh(&mdev->iboe.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) 		if (ndev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) 			dev_put(ndev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) 		list_del(&ge->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) 		kfree(ge);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) 		pr_warn("could not find mgid entry\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) 	mutex_unlock(&mqp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) static int init_node_data(struct mlx4_ib_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) 	struct ib_smp *in_mad  = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) 	struct ib_smp *out_mad = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 	int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) 	int err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) 	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) 	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) 	if (!in_mad || !out_mad)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) 	init_query_mad(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) 	in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) 	if (mlx4_is_master(dev->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) 		mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) 	err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) 	memcpy(dev->ib_dev.node_desc, out_mad->data, IB_DEVICE_NODE_DESC_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) 	in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) 	err = mlx4_MAD_IFC(dev, mad_ifc_flags, 1, NULL, NULL, in_mad, out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) 	dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) 	memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) 	kfree(in_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) 	kfree(out_mad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) static ssize_t hca_type_show(struct device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) 			     struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) 	struct mlx4_ib_dev *dev =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) 		rdma_device_to_drv_device(device, struct mlx4_ib_dev, ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) 	return sprintf(buf, "MT%d\n", dev->dev->persist->pdev->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) static DEVICE_ATTR_RO(hca_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) static ssize_t hw_rev_show(struct device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) 			   struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) 	struct mlx4_ib_dev *dev =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) 		rdma_device_to_drv_device(device, struct mlx4_ib_dev, ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) 	return sprintf(buf, "%x\n", dev->dev->rev_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) static DEVICE_ATTR_RO(hw_rev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) static ssize_t board_id_show(struct device *device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) 			     struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) 	struct mlx4_ib_dev *dev =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) 		rdma_device_to_drv_device(device, struct mlx4_ib_dev, ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) 	return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) 		       dev->dev->board_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) static DEVICE_ATTR_RO(board_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) static struct attribute *mlx4_class_attributes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) 	&dev_attr_hw_rev.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) 	&dev_attr_hca_type.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) 	&dev_attr_board_id.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) static const struct attribute_group mlx4_attr_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) 	.attrs = mlx4_class_attributes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) struct diag_counter {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) 	const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) 	u32 offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) #define DIAG_COUNTER(_name, _offset)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) 	{ .name = #_name, .offset = _offset }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) static const struct diag_counter diag_basic[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) 	DIAG_COUNTER(rq_num_lle, 0x00),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) 	DIAG_COUNTER(sq_num_lle, 0x04),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) 	DIAG_COUNTER(rq_num_lqpoe, 0x08),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) 	DIAG_COUNTER(sq_num_lqpoe, 0x0C),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) 	DIAG_COUNTER(rq_num_lpe, 0x18),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) 	DIAG_COUNTER(sq_num_lpe, 0x1C),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) 	DIAG_COUNTER(rq_num_wrfe, 0x20),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) 	DIAG_COUNTER(sq_num_wrfe, 0x24),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) 	DIAG_COUNTER(sq_num_mwbe, 0x2C),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) 	DIAG_COUNTER(sq_num_bre, 0x34),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) 	DIAG_COUNTER(sq_num_rire, 0x44),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) 	DIAG_COUNTER(rq_num_rire, 0x48),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) 	DIAG_COUNTER(sq_num_rae, 0x4C),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) 	DIAG_COUNTER(rq_num_rae, 0x50),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) 	DIAG_COUNTER(sq_num_roe, 0x54),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) 	DIAG_COUNTER(sq_num_tree, 0x5C),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) 	DIAG_COUNTER(sq_num_rree, 0x64),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) 	DIAG_COUNTER(rq_num_rnr, 0x68),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) 	DIAG_COUNTER(sq_num_rnr, 0x6C),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) 	DIAG_COUNTER(rq_num_oos, 0x100),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) 	DIAG_COUNTER(sq_num_oos, 0x104),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) static const struct diag_counter diag_ext[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) 	DIAG_COUNTER(rq_num_dup, 0x130),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) 	DIAG_COUNTER(sq_num_to, 0x134),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) static const struct diag_counter diag_device_only[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) 	DIAG_COUNTER(num_cqovf, 0x1A0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) 	DIAG_COUNTER(rq_num_udsdprd, 0x118),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) static struct rdma_hw_stats *mlx4_ib_alloc_hw_stats(struct ib_device *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) 						    u8 port_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) 	struct mlx4_ib_dev *dev = to_mdev(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) 	struct mlx4_ib_diag_counters *diag = dev->diag_counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) 	if (!diag[!!port_num].name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) 	return rdma_alloc_hw_stats_struct(diag[!!port_num].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) 					  diag[!!port_num].num_counters,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) 					  RDMA_HW_STATS_DEFAULT_LIFESPAN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) static int mlx4_ib_get_hw_stats(struct ib_device *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) 				struct rdma_hw_stats *stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) 				u8 port, int index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) 	struct mlx4_ib_dev *dev = to_mdev(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) 	struct mlx4_ib_diag_counters *diag = dev->diag_counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) 	u32 hw_value[ARRAY_SIZE(diag_device_only) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) 		ARRAY_SIZE(diag_ext) + ARRAY_SIZE(diag_basic)] = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) 	ret = mlx4_query_diag_counters(dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) 				       MLX4_OP_MOD_QUERY_TRANSPORT_CI_ERRORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) 				       diag[!!port].offset, hw_value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) 				       diag[!!port].num_counters, port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) 	for (i = 0; i < diag[!!port].num_counters; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) 		stats->value[i] = hw_value[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) 	return diag[!!port].num_counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) static int __mlx4_ib_alloc_diag_counters(struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) 					 const char ***name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) 					 u32 **offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) 					 u32 *num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) 					 bool port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) 	u32 num_counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) 	num_counters = ARRAY_SIZE(diag_basic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) 	if (ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) 		num_counters += ARRAY_SIZE(diag_ext);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) 	if (!port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) 		num_counters += ARRAY_SIZE(diag_device_only);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) 	*name = kcalloc(num_counters, sizeof(**name), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) 	if (!*name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) 	*offset = kcalloc(num_counters, sizeof(**offset), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) 	if (!*offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) 		goto err_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) 	*num = num_counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) err_name:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) 	kfree(*name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) 	return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) static void mlx4_ib_fill_diag_counters(struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) 				       const char **name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) 				       u32 *offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) 				       bool port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) 	int j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) 	for (i = 0, j = 0; i < ARRAY_SIZE(diag_basic); i++, j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) 		name[i] = diag_basic[i].name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) 		offset[i] = diag_basic[i].offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) 	if (ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) 		for (i = 0; i < ARRAY_SIZE(diag_ext); i++, j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) 			name[j] = diag_ext[i].name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) 			offset[j] = diag_ext[i].offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) 	if (!port) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) 		for (i = 0; i < ARRAY_SIZE(diag_device_only); i++, j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) 			name[j] = diag_device_only[i].name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) 			offset[j] = diag_device_only[i].offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) static const struct ib_device_ops mlx4_ib_hw_stats_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) 	.alloc_hw_stats = mlx4_ib_alloc_hw_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) 	.get_hw_stats = mlx4_ib_get_hw_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) static int mlx4_ib_alloc_diag_counters(struct mlx4_ib_dev *ibdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) 	struct mlx4_ib_diag_counters *diag = ibdev->diag_counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) 	bool per_port = !!(ibdev->dev->caps.flags2 &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) 		MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) 	if (mlx4_is_slave(ibdev->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) 	for (i = 0; i < MLX4_DIAG_COUNTERS_TYPES; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 		/* i == 1 means we are building port counters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) 		if (i && !per_port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) 		ret = __mlx4_ib_alloc_diag_counters(ibdev, &diag[i].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) 						    &diag[i].offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) 						    &diag[i].num_counters, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) 			goto err_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) 		mlx4_ib_fill_diag_counters(ibdev, diag[i].name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) 					   diag[i].offset, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) 	ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_hw_stats_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) err_alloc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) 	if (i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) 		kfree(diag[i - 1].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) 		kfree(diag[i - 1].offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) static void mlx4_ib_diag_cleanup(struct mlx4_ib_dev *ibdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) 	for (i = 0; i < MLX4_DIAG_COUNTERS_TYPES; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) 		kfree(ibdev->diag_counters[i].offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) 		kfree(ibdev->diag_counters[i].name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) #define MLX4_IB_INVALID_MAC	((u64)-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) 			       struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) 			       int port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) 	u64 new_smac = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) 	u64 release_mac = MLX4_IB_INVALID_MAC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) 	struct mlx4_ib_qp *qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) 	read_lock(&dev_base_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) 	new_smac = mlx4_mac_to_u64(dev->dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) 	read_unlock(&dev_base_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) 	atomic64_set(&ibdev->iboe.mac[port - 1], new_smac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) 	/* no need for update QP1 and mac registration in non-SRIOV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) 	if (!mlx4_is_mfunc(ibdev->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) 	mutex_lock(&ibdev->qp1_proxy_lock[port - 1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) 	qp = ibdev->qp1_proxy[port - 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) 	if (qp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) 		int new_smac_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) 		u64 old_smac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) 		struct mlx4_update_qp_params update_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) 		mutex_lock(&qp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) 		old_smac = qp->pri.smac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) 		if (new_smac == old_smac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) 			goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) 		new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) 		if (new_smac_index < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) 			goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291) 		update_params.smac_index = new_smac_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) 		if (mlx4_update_qp(ibdev->dev, qp->mqp.qpn, MLX4_UPDATE_QP_SMAC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) 				   &update_params)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) 			release_mac = new_smac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) 			goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) 		/* if old port was zero, no mac was yet registered for this QP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) 		if (qp->pri.smac_port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) 			release_mac = old_smac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) 		qp->pri.smac = new_smac;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) 		qp->pri.smac_port = port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) 		qp->pri.smac_index = new_smac_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) 	if (release_mac != MLX4_IB_INVALID_MAC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) 		mlx4_unregister_mac(ibdev->dev, port, release_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) 	if (qp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) 		mutex_unlock(&qp->mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) 	mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) 				 struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) 				 unsigned long event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) 	struct mlx4_ib_iboe *iboe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) 	int update_qps_port = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) 	int port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) 	ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) 	iboe = &ibdev->iboe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) 	spin_lock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) 	mlx4_foreach_ib_transport_port(port, ibdev->dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) 		iboe->netdevs[port - 1] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) 			mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) 		if (dev == iboe->netdevs[port - 1] &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) 		    (event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) 		     event == NETDEV_UP || event == NETDEV_CHANGE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) 			update_qps_port = port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) 		if (dev == iboe->netdevs[port - 1] &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) 		    (event == NETDEV_UP || event == NETDEV_DOWN)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) 			enum ib_port_state port_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) 			struct ib_event ibev = { };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) 			if (ib_get_cached_port_state(&ibdev->ib_dev, port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) 						     &port_state))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) 			if (event == NETDEV_UP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) 			    (port_state != IB_PORT_ACTIVE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) 			     iboe->last_port_state[port - 1] != IB_PORT_DOWN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) 			if (event == NETDEV_DOWN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) 			    (port_state != IB_PORT_DOWN ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) 			     iboe->last_port_state[port - 1] != IB_PORT_ACTIVE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) 			iboe->last_port_state[port - 1] = port_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) 			ibev.device = &ibdev->ib_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) 			ibev.element.port_num = port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) 			ibev.event = event == NETDEV_UP ? IB_EVENT_PORT_ACTIVE :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) 							  IB_EVENT_PORT_ERR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) 			ib_dispatch_event(&ibev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) 	spin_unlock_bh(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) 	if (update_qps_port > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) 		mlx4_ib_update_qps(ibdev, dev, update_qps_port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) static int mlx4_ib_netdev_event(struct notifier_block *this,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) 				unsigned long event, void *ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) 	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) 	struct mlx4_ib_dev *ibdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) 	if (!net_eq(dev_net(dev), &init_net))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) 		return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) 	ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) 	mlx4_ib_scan_netdevs(ibdev, dev, event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) 	return NOTIFY_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) static void init_pkeys(struct mlx4_ib_dev *ibdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) 	int port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) 	int slave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) 	if (mlx4_is_master(ibdev->dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) 		for (slave = 0; slave <= ibdev->dev->persist->num_vfs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) 		     ++slave) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) 			for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) 				for (i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) 				     i < ibdev->dev->phys_caps.pkey_phys_table_len[port];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) 				     ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) 					ibdev->pkeys.virt2phys_pkey[slave][port - 1][i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) 					/* master has the identity virt2phys pkey mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) 						(slave == mlx4_master_func_num(ibdev->dev) || !i) ? i :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) 							ibdev->dev->phys_caps.pkey_phys_table_len[port] - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) 					mlx4_sync_pkey_table(ibdev->dev, slave, port, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) 							     ibdev->pkeys.virt2phys_pkey[slave][port - 1][i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) 		/* initialize pkey cache */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) 		for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) 			for (i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) 			     i < ibdev->dev->phys_caps.pkey_phys_table_len[port];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) 			     ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) 				ibdev->pkeys.phys_pkey_cache[port-1][i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) 					(i) ? 0 : 0xFFFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) 	int i, j, eq = 0, total_eqs = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) 	ibdev->eq_table = kcalloc(dev->caps.num_comp_vectors,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) 				  sizeof(ibdev->eq_table[0]), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) 	if (!ibdev->eq_table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) 	for (i = 1; i <= dev->caps.num_ports; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) 		for (j = 0; j < mlx4_get_eqs_per_port(dev, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) 		     j++, total_eqs++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) 			if (i > 1 &&  mlx4_is_eq_shared(dev, total_eqs))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) 			ibdev->eq_table[eq] = total_eqs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) 			if (!mlx4_assign_eq(dev, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) 					    &ibdev->eq_table[eq]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) 				eq++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) 				ibdev->eq_table[eq] = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) 	for (i = eq; i < dev->caps.num_comp_vectors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) 	     ibdev->eq_table[i++] = -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) 		;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) 	/* Advertise the new number of EQs to clients */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) 	ibdev->ib_dev.num_comp_vectors = eq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) 	int total_eqs = ibdev->ib_dev.num_comp_vectors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) 	/* no eqs were allocated */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) 	if (!ibdev->eq_table)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) 	/* Reset the advertised EQ number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) 	ibdev->ib_dev.num_comp_vectors = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) 	for (i = 0; i < total_eqs; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) 		mlx4_release_eq(dev, ibdev->eq_table[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) 	kfree(ibdev->eq_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) 	ibdev->eq_table = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) static int mlx4_port_immutable(struct ib_device *ibdev, u8 port_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) 			       struct ib_port_immutable *immutable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) 	struct ib_port_attr attr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) 	struct mlx4_ib_dev *mdev = to_mdev(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) 	if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) 		immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) 		immutable->max_mad_size = IB_MGMT_MAD_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) 		if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) 			immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) 		if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) 			immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) 				RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) 		immutable->core_cap_flags |= RDMA_CORE_PORT_RAW_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) 		if (immutable->core_cap_flags & (RDMA_CORE_PORT_IBA_ROCE |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) 		    RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) 			immutable->max_mad_size = IB_MGMT_MAD_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490) 	err = ib_query_port(ibdev, port_num, &attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494) 	immutable->pkey_tbl_len = attr.pkey_tbl_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) 	immutable->gid_tbl_len = attr.gid_tbl_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) static void get_fw_ver_str(struct ib_device *device, char *str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) 	struct mlx4_ib_dev *dev =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) 		container_of(device, struct mlx4_ib_dev, ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) 	snprintf(str, IB_FW_VERSION_NAME_MAX, "%d.%d.%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) 		 (int) (dev->dev->caps.fw_ver >> 32),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) 		 (int) (dev->dev->caps.fw_ver >> 16) & 0xffff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) 		 (int) dev->dev->caps.fw_ver & 0xffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) static const struct ib_device_ops mlx4_ib_dev_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) 	.driver_id = RDMA_DRIVER_MLX4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) 	.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) 	.add_gid = mlx4_ib_add_gid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) 	.alloc_mr = mlx4_ib_alloc_mr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) 	.alloc_pd = mlx4_ib_alloc_pd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) 	.alloc_ucontext = mlx4_ib_alloc_ucontext,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) 	.attach_mcast = mlx4_ib_mcg_attach,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) 	.create_ah = mlx4_ib_create_ah,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521) 	.create_cq = mlx4_ib_create_cq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) 	.create_qp = mlx4_ib_create_qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) 	.create_srq = mlx4_ib_create_srq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) 	.dealloc_pd = mlx4_ib_dealloc_pd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) 	.dealloc_ucontext = mlx4_ib_dealloc_ucontext,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) 	.del_gid = mlx4_ib_del_gid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) 	.dereg_mr = mlx4_ib_dereg_mr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) 	.destroy_ah = mlx4_ib_destroy_ah,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) 	.destroy_cq = mlx4_ib_destroy_cq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) 	.destroy_qp = mlx4_ib_destroy_qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) 	.destroy_srq = mlx4_ib_destroy_srq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) 	.detach_mcast = mlx4_ib_mcg_detach,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) 	.disassociate_ucontext = mlx4_ib_disassociate_ucontext,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) 	.drain_rq = mlx4_ib_drain_rq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) 	.drain_sq = mlx4_ib_drain_sq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) 	.get_dev_fw_str = get_fw_ver_str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) 	.get_dma_mr = mlx4_ib_get_dma_mr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) 	.get_link_layer = mlx4_ib_port_link_layer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) 	.get_netdev = mlx4_ib_get_netdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) 	.get_port_immutable = mlx4_port_immutable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) 	.map_mr_sg = mlx4_ib_map_mr_sg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) 	.mmap = mlx4_ib_mmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) 	.modify_cq = mlx4_ib_modify_cq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) 	.modify_device = mlx4_ib_modify_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) 	.modify_port = mlx4_ib_modify_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) 	.modify_qp = mlx4_ib_modify_qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) 	.modify_srq = mlx4_ib_modify_srq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) 	.poll_cq = mlx4_ib_poll_cq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) 	.post_recv = mlx4_ib_post_recv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) 	.post_send = mlx4_ib_post_send,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) 	.post_srq_recv = mlx4_ib_post_srq_recv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) 	.process_mad = mlx4_ib_process_mad,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) 	.query_ah = mlx4_ib_query_ah,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) 	.query_device = mlx4_ib_query_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) 	.query_gid = mlx4_ib_query_gid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) 	.query_pkey = mlx4_ib_query_pkey,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) 	.query_port = mlx4_ib_query_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) 	.query_qp = mlx4_ib_query_qp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) 	.query_srq = mlx4_ib_query_srq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) 	.reg_user_mr = mlx4_ib_reg_user_mr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) 	.req_notify_cq = mlx4_ib_arm_cq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) 	.rereg_user_mr = mlx4_ib_rereg_user_mr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) 	.resize_cq = mlx4_ib_resize_cq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) 	INIT_RDMA_OBJ_SIZE(ib_ah, mlx4_ib_ah, ibah),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) 	INIT_RDMA_OBJ_SIZE(ib_cq, mlx4_ib_cq, ibcq),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) 	INIT_RDMA_OBJ_SIZE(ib_pd, mlx4_ib_pd, ibpd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) 	INIT_RDMA_OBJ_SIZE(ib_srq, mlx4_ib_srq, ibsrq),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) 	INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx4_ib_ucontext, ibucontext),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) static const struct ib_device_ops mlx4_ib_dev_wq_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) 	.create_rwq_ind_table = mlx4_ib_create_rwq_ind_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) 	.create_wq = mlx4_ib_create_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) 	.destroy_rwq_ind_table = mlx4_ib_destroy_rwq_ind_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) 	.destroy_wq = mlx4_ib_destroy_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) 	.modify_wq = mlx4_ib_modify_wq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) 	INIT_RDMA_OBJ_SIZE(ib_rwq_ind_table, mlx4_ib_rwq_ind_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) 			   ib_rwq_ind_tbl),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583) static const struct ib_device_ops mlx4_ib_dev_mw_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) 	.alloc_mw = mlx4_ib_alloc_mw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) 	.dealloc_mw = mlx4_ib_dealloc_mw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) 	INIT_RDMA_OBJ_SIZE(ib_mw, mlx4_ib_mw, ibmw),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) static const struct ib_device_ops mlx4_ib_dev_xrc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) 	.alloc_xrcd = mlx4_ib_alloc_xrcd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) 	.dealloc_xrcd = mlx4_ib_dealloc_xrcd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) 	INIT_RDMA_OBJ_SIZE(ib_xrcd, mlx4_ib_xrcd, ibxrcd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) static const struct ib_device_ops mlx4_ib_dev_fs_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) 	.create_flow = mlx4_ib_create_flow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) 	.destroy_flow = mlx4_ib_destroy_flow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) static void *mlx4_ib_add(struct mlx4_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) 	struct mlx4_ib_dev *ibdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605) 	int num_ports = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) 	int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) 	struct mlx4_ib_iboe *iboe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) 	int ib_num_ports = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610) 	int num_req_counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) 	int allocated;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) 	u32 counter_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) 	struct counter_index *new_counter_index = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) 	pr_info_once("%s", mlx4_ib_version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) 	num_ports = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) 	mlx4_foreach_ib_transport_port(i, dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) 		num_ports++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) 	/* No point in registering a device with no ports... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) 	if (num_ports == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) 	ibdev = ib_alloc_device(mlx4_ib_dev, ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) 	if (!ibdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627) 		dev_err(&dev->persist->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628) 			"Device struct alloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) 	iboe = &ibdev->iboe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634) 	if (mlx4_pd_alloc(dev, &ibdev->priv_pdn))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635) 		goto err_dealloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637) 	if (mlx4_uar_alloc(dev, &ibdev->priv_uar))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) 		goto err_pd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640) 	ibdev->uar_map = ioremap((phys_addr_t) ibdev->priv_uar.pfn << PAGE_SHIFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) 				 PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) 	if (!ibdev->uar_map)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) 		goto err_uar;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) 	MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646) 	ibdev->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) 	ibdev->bond_next_port	= 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649) 	ibdev->ib_dev.node_type		= RDMA_NODE_IB_CA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) 	ibdev->ib_dev.local_dma_lkey	= dev->caps.reserved_lkey;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) 	ibdev->num_ports		= num_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) 	ibdev->ib_dev.phys_port_cnt     = mlx4_is_bonded(dev) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653) 						1 : ibdev->num_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) 	ibdev->ib_dev.num_comp_vectors	= dev->caps.num_comp_vectors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) 	ibdev->ib_dev.dev.parent	= &dev->persist->pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) 	ibdev->ib_dev.uverbs_cmd_mask	=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) 		(1ull << IB_USER_VERBS_CMD_GET_CONTEXT)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659) 		(1ull << IB_USER_VERBS_CMD_QUERY_DEVICE)	|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660) 		(1ull << IB_USER_VERBS_CMD_QUERY_PORT)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661) 		(1ull << IB_USER_VERBS_CMD_ALLOC_PD)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) 		(1ull << IB_USER_VERBS_CMD_DEALLOC_PD)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) 		(1ull << IB_USER_VERBS_CMD_REG_MR)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) 		(1ull << IB_USER_VERBS_CMD_REREG_MR)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) 		(1ull << IB_USER_VERBS_CMD_DEREG_MR)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) 		(1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL)	|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) 		(1ull << IB_USER_VERBS_CMD_CREATE_CQ)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668) 		(1ull << IB_USER_VERBS_CMD_RESIZE_CQ)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) 		(1ull << IB_USER_VERBS_CMD_DESTROY_CQ)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) 		(1ull << IB_USER_VERBS_CMD_CREATE_QP)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) 		(1ull << IB_USER_VERBS_CMD_MODIFY_QP)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) 		(1ull << IB_USER_VERBS_CMD_QUERY_QP)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673) 		(1ull << IB_USER_VERBS_CMD_DESTROY_QP)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) 		(1ull << IB_USER_VERBS_CMD_ATTACH_MCAST)	|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) 		(1ull << IB_USER_VERBS_CMD_DETACH_MCAST)	|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) 		(1ull << IB_USER_VERBS_CMD_CREATE_SRQ)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) 		(1ull << IB_USER_VERBS_CMD_MODIFY_SRQ)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678) 		(1ull << IB_USER_VERBS_CMD_QUERY_SRQ)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) 		(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680) 		(1ull << IB_USER_VERBS_CMD_CREATE_XSRQ)		|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681) 		(1ull << IB_USER_VERBS_CMD_OPEN_QP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) 	ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684) 	ibdev->ib_dev.uverbs_ex_cmd_mask |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) 		(1ull << IB_USER_VERBS_EX_CMD_MODIFY_CQ) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) 		(1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) 		(1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) 		(1ull << IB_USER_VERBS_EX_CMD_CREATE_QP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) 	if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RSS) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691) 	    ((mlx4_ib_port_link_layer(&ibdev->ib_dev, 1) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) 	    IB_LINK_LAYER_ETHERNET) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) 	    (mlx4_ib_port_link_layer(&ibdev->ib_dev, 2) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) 	    IB_LINK_LAYER_ETHERNET))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695) 		ibdev->ib_dev.uverbs_ex_cmd_mask |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) 			(1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ)	  |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697) 			(1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ)	  |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) 			(1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ)	  |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) 			(1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700) 			(1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701) 		ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_wq_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704) 	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_MEM_WINDOW ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705) 	    dev->caps.bmme_flags & MLX4_BMME_FLAG_TYPE_2_WIN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) 		ibdev->ib_dev.uverbs_cmd_mask |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) 			(1ull << IB_USER_VERBS_CMD_ALLOC_MW) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) 			(1ull << IB_USER_VERBS_CMD_DEALLOC_MW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) 		ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_mw_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) 	if (dev->caps.flags & MLX4_DEV_CAP_FLAG_XRC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) 		ibdev->ib_dev.uverbs_cmd_mask |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714) 			(1ull << IB_USER_VERBS_CMD_OPEN_XRCD) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715) 			(1ull << IB_USER_VERBS_CMD_CLOSE_XRCD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716) 		ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_xrc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719) 	if (check_flow_steering_support(dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) 		ibdev->steering_support = MLX4_STEERING_MODE_DEVICE_MANAGED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) 		ibdev->ib_dev.uverbs_ex_cmd_mask	|=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) 			(1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) 			(1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) 		ib_set_device_ops(&ibdev->ib_dev, &mlx4_ib_dev_fs_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) 	if (!dev->caps.userspace_caps)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) 		ibdev->ib_dev.ops.uverbs_abi_ver =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) 			MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) 	mlx4_ib_alloc_eqs(dev, ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733) 	spin_lock_init(&iboe->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735) 	if (init_node_data(ibdev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736) 		goto err_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737) 	mlx4_init_sl2vl_tbl(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739) 	for (i = 0; i < ibdev->num_ports; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) 		mutex_init(&ibdev->counters_table[i].mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) 		INIT_LIST_HEAD(&ibdev->counters_table[i].counters_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742) 		iboe->last_port_state[i] = IB_PORT_DOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) 	num_req_counters = mlx4_is_bonded(dev) ? 1 : ibdev->num_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746) 	for (i = 0; i < num_req_counters; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) 		mutex_init(&ibdev->qp1_proxy_lock[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748) 		allocated = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) 		if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) 						IB_LINK_LAYER_ETHERNET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) 			err = mlx4_counter_alloc(ibdev->dev, &counter_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) 						 MLX4_RES_USAGE_DRIVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) 			/* if failed to allocate a new counter, use default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) 			if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) 				counter_index =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756) 					mlx4_get_default_counter_index(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757) 								       i + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759) 				allocated = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760) 		} else { /* IB_LINK_LAYER_INFINIBAND use the default counter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761) 			counter_index = mlx4_get_default_counter_index(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) 								       i + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) 		new_counter_index = kmalloc(sizeof(*new_counter_index),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765) 					    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766) 		if (!new_counter_index) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767) 			if (allocated)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768) 				mlx4_counter_free(ibdev->dev, counter_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) 			goto err_counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) 		new_counter_index->index = counter_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) 		new_counter_index->allocated = allocated;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) 		list_add_tail(&new_counter_index->list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) 			      &ibdev->counters_table[i].counters_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) 		ibdev->counters_table[i].default_counter = counter_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) 		pr_info("counter index %d for port %d allocated %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) 			counter_index, i + 1, allocated);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) 	if (mlx4_is_bonded(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) 		for (i = 1; i < ibdev->num_ports ; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781) 			new_counter_index =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) 					kmalloc(sizeof(struct counter_index),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) 						GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784) 			if (!new_counter_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785) 				goto err_counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) 			new_counter_index->index = counter_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787) 			new_counter_index->allocated = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788) 			list_add_tail(&new_counter_index->list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) 				      &ibdev->counters_table[i].counters_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790) 			ibdev->counters_table[i].default_counter =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) 								counter_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) 	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) 		ib_num_ports++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797) 	spin_lock_init(&ibdev->sm_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) 	mutex_init(&ibdev->cap_mask_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) 	INIT_LIST_HEAD(&ibdev->qp_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) 	spin_lock_init(&ibdev->reset_flow_resource_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802) 	if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) 	    ib_num_ports) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) 		ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) 		err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806) 					    MLX4_IB_UC_STEER_QPN_ALIGN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807) 					    &ibdev->steer_qpn_base, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) 					    MLX4_RES_USAGE_DRIVER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) 			goto err_counter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812) 		ibdev->ib_uc_qpns_bitmap =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) 			kmalloc_array(BITS_TO_LONGS(ibdev->steer_qpn_count),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) 				      sizeof(long),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815) 				      GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816) 		if (!ibdev->ib_uc_qpns_bitmap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817) 			goto err_steer_qp_release;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819) 		if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_IPOIB) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820) 			bitmap_zero(ibdev->ib_uc_qpns_bitmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821) 				    ibdev->steer_qpn_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822) 			err = mlx4_FLOW_STEERING_IB_UC_QP_RANGE(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823) 					dev, ibdev->steer_qpn_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) 					ibdev->steer_qpn_base +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825) 					ibdev->steer_qpn_count - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) 			if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) 				goto err_steer_free_bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) 			bitmap_fill(ibdev->ib_uc_qpns_bitmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830) 				    ibdev->steer_qpn_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) 	for (j = 1; j <= ibdev->dev->caps.num_ports; j++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835) 		atomic64_set(&iboe->mac[j - 1], ibdev->dev->caps.def_mac[j]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) 	if (mlx4_ib_alloc_diag_counters(ibdev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) 		goto err_steer_free_bitmap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) 	rdma_set_device_sysfs_group(&ibdev->ib_dev, &mlx4_attr_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) 	if (ib_register_device(&ibdev->ib_dev, "mlx4_%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) 			       &dev->persist->pdev->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843) 		goto err_diag_counters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845) 	if (mlx4_ib_mad_init(ibdev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) 		goto err_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) 	if (mlx4_ib_init_sriov(ibdev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) 		goto err_mad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) 	if (!iboe->nb.notifier_call) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) 		iboe->nb.notifier_call = mlx4_ib_netdev_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) 		err = register_netdevice_notifier(&iboe->nb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) 		if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) 			iboe->nb.notifier_call = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) 			goto err_notif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859) 	if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860) 		err = mlx4_config_roce_v2_port(dev, ROCE_V2_UDP_DPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861) 		if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862) 			goto err_notif;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) 	ibdev->ib_active = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) 	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) 		devlink_port_type_ib_set(mlx4_get_devlink_port(dev, i),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868) 					 &ibdev->ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) 	if (mlx4_is_mfunc(ibdev->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) 		init_pkeys(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873) 	/* create paravirt contexts for any VFs which are active */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874) 	if (mlx4_is_master(ibdev->dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) 		for (j = 0; j < MLX4_MFUNC_MAX; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) 			if (j == mlx4_master_func_num(ibdev->dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) 			if (mlx4_is_slave_active(ibdev->dev, j))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879) 				do_slave_init(ibdev, j, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882) 	return ibdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) err_notif:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885) 	if (ibdev->iboe.nb.notifier_call) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) 		if (unregister_netdevice_notifier(&ibdev->iboe.nb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) 			pr_warn("failure unregistering notifier\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) 		ibdev->iboe.nb.notifier_call = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) 	flush_workqueue(wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) 	mlx4_ib_close_sriov(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) err_mad:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) 	mlx4_ib_mad_cleanup(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) err_reg:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) 	ib_unregister_device(&ibdev->ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900) err_diag_counters:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901) 	mlx4_ib_diag_cleanup(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903) err_steer_free_bitmap:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904) 	kfree(ibdev->ib_uc_qpns_bitmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906) err_steer_qp_release:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) 	mlx4_qp_release_range(dev, ibdev->steer_qpn_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) 			      ibdev->steer_qpn_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) err_counter:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910) 	for (i = 0; i < ibdev->num_ports; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911) 		mlx4_ib_delete_counters_table(ibdev, &ibdev->counters_table[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) err_map:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) 	mlx4_ib_free_eqs(dev, ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915) 	iounmap(ibdev->uar_map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917) err_uar:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918) 	mlx4_uar_free(dev, &ibdev->priv_uar);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920) err_pd:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921) 	mlx4_pd_free(dev, ibdev->priv_pdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923) err_dealloc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924) 	ib_dealloc_device(&ibdev->ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929) int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931) 	int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933) 	WARN_ON(!dev->ib_uc_qpns_bitmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) 	offset = bitmap_find_free_region(dev->ib_uc_qpns_bitmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936) 					 dev->steer_qpn_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937) 					 get_count_order(count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) 	if (offset < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939) 		return offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941) 	*qpn = dev->steer_qpn_base + offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945) void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947) 	if (!qpn ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948) 	    dev->steering_support != MLX4_STEERING_MODE_DEVICE_MANAGED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) 	if (WARN(qpn < dev->steer_qpn_base, "qpn = %u, steer_qpn_base = %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) 		 qpn, dev->steer_qpn_base))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) 		/* not supposed to be here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) 	bitmap_release_region(dev->ib_uc_qpns_bitmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) 			      qpn - dev->steer_qpn_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958) 			      get_count_order(count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961) int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962) 			 int is_attach)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965) 	size_t flow_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966) 	struct ib_flow_attr *flow = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967) 	struct ib_flow_spec_ib *ib_spec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969) 	if (is_attach) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970) 		flow_size = sizeof(struct ib_flow_attr) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) 			    sizeof(struct ib_flow_spec_ib);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972) 		flow = kzalloc(flow_size, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973) 		if (!flow)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975) 		flow->port = mqp->port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976) 		flow->num_of_specs = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977) 		flow->size = flow_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978) 		ib_spec = (struct ib_flow_spec_ib *)(flow + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979) 		ib_spec->type = IB_FLOW_SPEC_IB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980) 		ib_spec->size = sizeof(struct ib_flow_spec_ib);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981) 		/* Add an empty rule for IB L2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982) 		memset(&ib_spec->mask, 0, sizeof(ib_spec->mask));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984) 		err = __mlx4_ib_create_flow(&mqp->ibqp, flow, MLX4_DOMAIN_NIC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985) 					    MLX4_FS_REGULAR, &mqp->reg_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987) 		err = __mlx4_ib_destroy_flow(mdev->dev, mqp->reg_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989) 	kfree(flow);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993) static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) 	struct mlx4_ib_dev *ibdev = ibdev_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996) 	int p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999) 	mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) 		devlink_port_type_clear(mlx4_get_devlink_port(dev, i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001) 	ibdev->ib_active = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002) 	flush_workqueue(wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004) 	if (ibdev->iboe.nb.notifier_call) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005) 		if (unregister_netdevice_notifier(&ibdev->iboe.nb))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006) 			pr_warn("failure unregistering notifier\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007) 		ibdev->iboe.nb.notifier_call = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010) 	mlx4_ib_close_sriov(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011) 	mlx4_ib_mad_cleanup(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) 	ib_unregister_device(&ibdev->ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) 	mlx4_ib_diag_cleanup(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015) 	mlx4_qp_release_range(dev, ibdev->steer_qpn_base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016) 			      ibdev->steer_qpn_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) 	kfree(ibdev->ib_uc_qpns_bitmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) 	iounmap(ibdev->uar_map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020) 	for (p = 0; p < ibdev->num_ports; ++p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021) 		mlx4_ib_delete_counters_table(ibdev, &ibdev->counters_table[p]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023) 	mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) 		mlx4_CLOSE_PORT(dev, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026) 	mlx4_ib_free_eqs(dev, ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028) 	mlx4_uar_free(dev, &ibdev->priv_uar);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) 	mlx4_pd_free(dev, ibdev->priv_pdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030) 	ib_dealloc_device(&ibdev->ib_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033) static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035) 	struct mlx4_ib_demux_work **dm = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036) 	struct mlx4_dev *dev = ibdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) 	struct mlx4_active_ports actv_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040) 	unsigned int ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041) 	unsigned int first_port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043) 	if (!mlx4_is_master(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046) 	actv_ports = mlx4_get_active_ports(dev, slave);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047) 	ports = bitmap_weight(actv_ports.ports, dev->caps.num_ports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048) 	first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) 	dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051) 	if (!dm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) 	for (i = 0; i < ports; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055) 		dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056) 		if (!dm[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057) 			while (--i >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058) 				kfree(dm[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061) 		INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062) 		dm[i]->port = first_port + i + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063) 		dm[i]->slave = slave;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064) 		dm[i]->do_init = do_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065) 		dm[i]->dev = ibdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067) 	/* initialize or tear down tunnel QPs for the slave */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068) 	spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069) 	if (!ibdev->sriov.is_going_down) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070) 		for (i = 0; i < ports; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071) 			queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072) 		spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074) 		spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075) 		for (i = 0; i < ports; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076) 			kfree(dm[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079) 	kfree(dm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083) static void mlx4_ib_handle_catas_error(struct mlx4_ib_dev *ibdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085) 	struct mlx4_ib_qp *mqp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) 	unsigned long flags_qp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) 	unsigned long flags_cq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) 	struct mlx4_ib_cq *send_mcq, *recv_mcq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) 	struct list_head    cq_notify_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090) 	struct mlx4_cq *mcq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) 	pr_warn("mlx4_ib_handle_catas_error was started\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) 	INIT_LIST_HEAD(&cq_notify_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096) 	/* Go over qp list reside on that ibdev, sync with create/destroy qp.*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097) 	spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099) 	list_for_each_entry(mqp, &ibdev->qp_list, qps_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100) 		spin_lock_irqsave(&mqp->sq.lock, flags_qp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101) 		if (mqp->sq.tail != mqp->sq.head) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102) 			send_mcq = to_mcq(mqp->ibqp.send_cq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103) 			spin_lock_irqsave(&send_mcq->lock, flags_cq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104) 			if (send_mcq->mcq.comp &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105) 			    mqp->ibqp.send_cq->comp_handler) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106) 				if (!send_mcq->mcq.reset_notify_added) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107) 					send_mcq->mcq.reset_notify_added = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108) 					list_add_tail(&send_mcq->mcq.reset_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) 						      &cq_notify_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112) 			spin_unlock_irqrestore(&send_mcq->lock, flags_cq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114) 		spin_unlock_irqrestore(&mqp->sq.lock, flags_qp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115) 		/* Now, handle the QP's receive queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) 		spin_lock_irqsave(&mqp->rq.lock, flags_qp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117) 		/* no handling is needed for SRQ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118) 		if (!mqp->ibqp.srq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) 			if (mqp->rq.tail != mqp->rq.head) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) 				recv_mcq = to_mcq(mqp->ibqp.recv_cq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121) 				spin_lock_irqsave(&recv_mcq->lock, flags_cq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122) 				if (recv_mcq->mcq.comp &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3123) 				    mqp->ibqp.recv_cq->comp_handler) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3124) 					if (!recv_mcq->mcq.reset_notify_added) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3125) 						recv_mcq->mcq.reset_notify_added = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126) 						list_add_tail(&recv_mcq->mcq.reset_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127) 							      &cq_notify_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128) 					}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130) 				spin_unlock_irqrestore(&recv_mcq->lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131) 						       flags_cq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134) 		spin_unlock_irqrestore(&mqp->rq.lock, flags_qp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137) 	list_for_each_entry(mcq, &cq_notify_list, reset_notify) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138) 		mcq->comp(mcq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140) 	spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) 	pr_warn("mlx4_ib_handle_catas_error ended\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144) static void handle_bonded_port_state_event(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146) 	struct ib_event_work *ew =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147) 		container_of(work, struct ib_event_work, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148) 	struct mlx4_ib_dev *ibdev = ew->ib_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) 	enum ib_port_state bonded_port_state = IB_PORT_NOP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151) 	struct ib_event ibev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153) 	kfree(ew);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154) 	spin_lock_bh(&ibdev->iboe.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155) 	for (i = 0; i < MLX4_MAX_PORTS; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156) 		struct net_device *curr_netdev = ibdev->iboe.netdevs[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157) 		enum ib_port_state curr_port_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159) 		if (!curr_netdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162) 		curr_port_state =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163) 			(netif_running(curr_netdev) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) 			 netif_carrier_ok(curr_netdev)) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165) 			IB_PORT_ACTIVE : IB_PORT_DOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) 		bonded_port_state = (bonded_port_state != IB_PORT_ACTIVE) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) 			curr_port_state : IB_PORT_ACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170) 	spin_unlock_bh(&ibdev->iboe.lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172) 	ibev.device = &ibdev->ib_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) 	ibev.element.port_num = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174) 	ibev.event = (bonded_port_state == IB_PORT_ACTIVE) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175) 		IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) 	ib_dispatch_event(&ibev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180) void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182) 	u64 sl2vl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) 	err = mlx4_ib_query_sl2vl(&mdev->ib_dev, port, &sl2vl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187) 		pr_err("Unable to get current sl to vl mapping for port %d.  Using all zeroes (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) 		       port, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189) 		sl2vl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191) 	atomic64_set(&mdev->sl2vl[port - 1], sl2vl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194) static void ib_sl2vl_update_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196) 	struct ib_event_work *ew = container_of(work, struct ib_event_work, work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197) 	struct mlx4_ib_dev *mdev = ew->ib_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198) 	int port = ew->port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) 	mlx4_ib_sl2vl_update(mdev, port);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202) 	kfree(ew);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205) void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206) 				     int port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208) 	struct ib_event_work *ew;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210) 	ew = kmalloc(sizeof(*ew), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) 	if (ew) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212) 		INIT_WORK(&ew->work, ib_sl2vl_update_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213) 		ew->port = port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214) 		ew->ib_dev = ibdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215) 		queue_work(wq, &ew->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219) static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220) 			  enum mlx4_dev_event event, unsigned long param)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3222) 	struct ib_event ibev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3223) 	struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3224) 	struct mlx4_eqe *eqe = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3225) 	struct ib_event_work *ew;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3226) 	int p = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3228) 	if (mlx4_is_bonded(dev) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3229) 	    ((event == MLX4_DEV_EVENT_PORT_UP) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3230) 	    (event == MLX4_DEV_EVENT_PORT_DOWN))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3231) 		ew = kmalloc(sizeof(*ew), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3232) 		if (!ew)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3233) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3234) 		INIT_WORK(&ew->work, handle_bonded_port_state_event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3235) 		ew->ib_dev = ibdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3236) 		queue_work(wq, &ew->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3237) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3238) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3240) 	if (event == MLX4_DEV_EVENT_PORT_MGMT_CHANGE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3241) 		eqe = (struct mlx4_eqe *)param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3242) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3243) 		p = (int) param;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3245) 	switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3246) 	case MLX4_DEV_EVENT_PORT_UP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3247) 		if (p > ibdev->num_ports)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3248) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3249) 		if (!mlx4_is_slave(dev) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3250) 		    rdma_port_get_link_layer(&ibdev->ib_dev, p) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3251) 			IB_LINK_LAYER_INFINIBAND) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3252) 			if (mlx4_is_master(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3253) 				mlx4_ib_invalidate_all_guid_record(ibdev, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3254) 			if (ibdev->dev->flags & MLX4_FLAG_SECURE_HOST &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3255) 			    !(ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3256) 				mlx4_sched_ib_sl2vl_update_work(ibdev, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3257) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3258) 		ibev.event = IB_EVENT_PORT_ACTIVE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3259) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3261) 	case MLX4_DEV_EVENT_PORT_DOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3262) 		if (p > ibdev->num_ports)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3263) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3264) 		ibev.event = IB_EVENT_PORT_ERR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3265) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3267) 	case MLX4_DEV_EVENT_CATASTROPHIC_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3268) 		ibdev->ib_active = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3269) 		ibev.event = IB_EVENT_DEVICE_FATAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3270) 		mlx4_ib_handle_catas_error(ibdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3271) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3273) 	case MLX4_DEV_EVENT_PORT_MGMT_CHANGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3274) 		ew = kmalloc(sizeof *ew, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3275) 		if (!ew)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3276) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3278) 		INIT_WORK(&ew->work, handle_port_mgmt_change_event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3279) 		memcpy(&ew->ib_eqe, eqe, sizeof *eqe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3280) 		ew->ib_dev = ibdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3281) 		/* need to queue only for port owner, which uses GEN_EQE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3282) 		if (mlx4_is_master(dev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3283) 			queue_work(wq, &ew->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3284) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3285) 			handle_port_mgmt_change_event(&ew->work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3286) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3288) 	case MLX4_DEV_EVENT_SLAVE_INIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3289) 		/* here, p is the slave id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3290) 		do_slave_init(ibdev, p, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3291) 		if (mlx4_is_master(dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3292) 			int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3294) 			for (i = 1; i <= ibdev->num_ports; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3295) 				if (rdma_port_get_link_layer(&ibdev->ib_dev, i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3296) 					== IB_LINK_LAYER_INFINIBAND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3297) 					mlx4_ib_slave_alias_guid_event(ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3298) 								       p, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3299) 								       1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3300) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3301) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3302) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3304) 	case MLX4_DEV_EVENT_SLAVE_SHUTDOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3305) 		if (mlx4_is_master(dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3306) 			int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3308) 			for (i = 1; i <= ibdev->num_ports; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3309) 				if (rdma_port_get_link_layer(&ibdev->ib_dev, i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3310) 					== IB_LINK_LAYER_INFINIBAND)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3311) 					mlx4_ib_slave_alias_guid_event(ibdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3312) 								       p, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3313) 								       0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3314) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3315) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3316) 		/* here, p is the slave id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3317) 		do_slave_init(ibdev, p, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3318) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3320) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3321) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3322) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3324) 	ibev.device	      = ibdev_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3325) 	ibev.element.port_num = mlx4_is_bonded(ibdev->dev) ? 1 : (u8)p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3327) 	ib_dispatch_event(&ibev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3330) static struct mlx4_interface mlx4_ib_interface = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3331) 	.add		= mlx4_ib_add,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3332) 	.remove		= mlx4_ib_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3333) 	.event		= mlx4_ib_event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3334) 	.protocol	= MLX4_PROT_IB_IPV6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3335) 	.flags		= MLX4_INTFF_BONDING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3336) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3338) static int __init mlx4_ib_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3340) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3341) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3342) 	wq = alloc_ordered_workqueue("mlx4_ib", WQ_MEM_RECLAIM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3343) 	if (!wq)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3344) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3345) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3346) 	err = mlx4_ib_mcg_init();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3347) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3348) 		goto clean_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3350) 	err = mlx4_register_interface(&mlx4_ib_interface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3351) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3352) 		goto clean_mcg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3354) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3355) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3356) clean_mcg:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3357) 	mlx4_ib_mcg_destroy();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3359) clean_wq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3360) 	destroy_workqueue(wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3361) 	return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3364) static void __exit mlx4_ib_cleanup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3365) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3366) 	mlx4_unregister_interface(&mlx4_ib_interface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3367) 	mlx4_ib_mcg_destroy();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3368) 	destroy_workqueue(wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3369) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3371) module_init(mlx4_ib_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3372) module_exit(mlx4_ib_cleanup);