Orange Pi5 kernel

/*
 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 
#include <linux/mlx5/vport.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_pma.h>
#include "mlx5_ib.h"
#include "cmd.h"
 
enum {
<------>MLX5_IB_VENDOR_CLASS1 = 0x9,
<------>MLX5_IB_VENDOR_CLASS2 = 0xa
};
 
static bool can_do_mad_ifc(struct mlx5_ib_dev *dev, u8 port_num,
<------><------><------>   struct ib_mad *in_mad)
{
<------>if (in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_LID_ROUTED &&
<------>    in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
<------><------>return true;
<------>return dev->mdev->port_caps[port_num - 1].has_smi;
}
 
static int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey,
<------><------><------>int ignore_bkey, u8 port, const struct ib_wc *in_wc,
<------><------><------>const struct ib_grh *in_grh, const void *in_mad,
<------><------><------>void *response_mad)
{
<------>u8 op_modifier = 0;
 
<------>if (!can_do_mad_ifc(dev, port, (struct ib_mad *)in_mad))
<------><------>return -EPERM;
 
<------>/* Key check traps can't be generated unless we have in_wc to
<------> * tell us where to send the trap.
<------> */
<------>if (ignore_mkey || !in_wc)
<------><------>op_modifier |= 0x1;
<------>if (ignore_bkey || !in_wc)
<------><------>op_modifier |= 0x2;
 
<------>return mlx5_cmd_mad_ifc(dev->mdev, in_mad, response_mad, op_modifier,
<------><------><------><------>port);
}
 
static void pma_cnt_ext_assign(struct ib_pma_portcounters_ext *pma_cnt_ext,
<------><------><------>       void *out)
{
#define MLX5_SUM_CNT(p, cntr1, cntr2)	\
<------>(MLX5_GET64(query_vport_counter_out, p, cntr1) + \
<------>MLX5_GET64(query_vport_counter_out, p, cntr2))
 
<------>pma_cnt_ext->port_xmit_data =
<------><------>cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.octets,
<------><------><------><------><------> transmitted_ib_multicast.octets) >> 2);
<------>pma_cnt_ext->port_rcv_data =
<------><------>cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.octets,
<------><------><------><------><------> received_ib_multicast.octets) >> 2);
<------>pma_cnt_ext->port_xmit_packets =
<------><------>cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.packets,
<------><------><------><------><------> transmitted_ib_multicast.packets));
<------>pma_cnt_ext->port_rcv_packets =
<------><------>cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.packets,
<------><------><------><------><------> received_ib_multicast.packets));
<------>pma_cnt_ext->port_unicast_xmit_packets =
<------><------>MLX5_GET64_BE(query_vport_counter_out,
<------><------><------>      out, transmitted_ib_unicast.packets);
<------>pma_cnt_ext->port_unicast_rcv_packets =
<------><------>MLX5_GET64_BE(query_vport_counter_out,
<------><------><------>      out, received_ib_unicast.packets);
<------>pma_cnt_ext->port_multicast_xmit_packets =
<------><------>MLX5_GET64_BE(query_vport_counter_out,
<------><------><------>      out, transmitted_ib_multicast.packets);
<------>pma_cnt_ext->port_multicast_rcv_packets =
<------><------>MLX5_GET64_BE(query_vport_counter_out,
<------><------><------>      out, received_ib_multicast.packets);
}
 
static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt,
<------><------><------>   void *out)
{
<------>/* Traffic counters will be reported in
<------> * their 64bit form via ib_pma_portcounters_ext by default.
<------> */
<------>void *out_pma = MLX5_ADDR_OF(ppcnt_reg, out,
<------><------><------><------>     counter_set);
 
#define MLX5_ASSIGN_PMA_CNTR(counter_var, counter_name)	{		\
<------>counter_var = MLX5_GET_BE(typeof(counter_var),			\
<------><------><------><------>  ib_port_cntrs_grp_data_layout,	\
<------><------><------><------>  out_pma, counter_name);		\
<------>}
 
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->symbol_error_counter,
<------><------><------>     symbol_error_counter);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_error_recovery_counter,
<------><------><------>     link_error_recovery_counter);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_downed_counter,
<------><------><------>     link_downed_counter);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_errors,
<------><------><------>     port_rcv_errors);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_remphys_errors,
<------><------><------>     port_rcv_remote_physical_errors);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_switch_relay_errors,
<------><------><------>     port_rcv_switch_relay_errors);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_discards,
<------><------><------>     port_xmit_discards);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_constraint_errors,
<------><------><------>     port_xmit_constraint_errors);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_wait,
<------><------><------>     port_xmit_wait);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_constraint_errors,
<------><------><------>     port_rcv_constraint_errors);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_overrun_errors,
<------><------><------>     link_overrun_errors);
<------>MLX5_ASSIGN_PMA_CNTR(pma_cnt->vl15_dropped,
<------><------><------>     vl_15_dropped);
}
 
static int process_pma_cmd(struct mlx5_ib_dev *dev, u8 port_num,
<------><------><------>   const struct ib_mad *in_mad, struct ib_mad *out_mad)
{
<------>struct mlx5_core_dev *mdev;
<------>bool native_port = true;
<------>u8 mdev_port_num;
<------>void *out_cnt;
<------>int err;
 
<------>mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num);
<------>if (!mdev) {
<------><------>/* Fail to get the native port, likely due to 2nd port is still
<------><------> * unaffiliated. In such case default to 1st port and attached
<------><------> * PF device.
<------><------> */
<------><------>native_port = false;
<------><------>mdev = dev->mdev;
<------><------>mdev_port_num = 1;
<------>}
<------>/* Declaring support of extended counters */
<------>if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) {
<------><------>struct ib_class_port_info cpi = {};
 
<------><------>cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH;
<------><------>memcpy((out_mad->data + 40), &cpi, sizeof(cpi));
<------><------>err = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
<------><------>goto done;
<------>}
 
<------>if (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT) {
<------><------>struct ib_pma_portcounters_ext *pma_cnt_ext =
<------><------><------>(struct ib_pma_portcounters_ext *)(out_mad->data + 40);
<------><------>int sz = MLX5_ST_SZ_BYTES(query_vport_counter_out);
 
<------><------>out_cnt = kvzalloc(sz, GFP_KERNEL);
<------><------>if (!out_cnt) {
<------><------><------>err = IB_MAD_RESULT_FAILURE;
<------><------><------>goto done;
<------><------>}
 
<------><------>err = mlx5_core_query_vport_counter(mdev, 0, 0, mdev_port_num,
<------><------><------><------><------><------>    out_cnt);
<------><------>if (!err)
<------><------><------>pma_cnt_ext_assign(pma_cnt_ext, out_cnt);
<------>} else {
<------><------>struct ib_pma_portcounters *pma_cnt =
<------><------><------>(struct ib_pma_portcounters *)(out_mad->data + 40);
<------><------>int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
 
<------><------>out_cnt = kvzalloc(sz, GFP_KERNEL);
<------><------>if (!out_cnt) {
<------><------><------>err = IB_MAD_RESULT_FAILURE;
<------><------><------>goto done;
<------><------>}
 
<------><------>err = mlx5_core_query_ib_ppcnt(mdev, mdev_port_num,
<------><------><------><------><------>       out_cnt, sz);
<------><------>if (!err)
<------><------><------>pma_cnt_assign(pma_cnt, out_cnt);
<------>}
<------>kvfree(out_cnt);
<------>err = err ? IB_MAD_RESULT_FAILURE :
<------><------>    IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
done:
<------>if (native_port)
<------><------>mlx5_ib_put_native_port_mdev(dev, port_num);
<------>return err;
}
 
int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
<------><------><------>const struct ib_wc *in_wc, const struct ib_grh *in_grh,
<------><------><------>const struct ib_mad *in, struct ib_mad *out,
<------><------><------>size_t *out_mad_size, u16 *out_mad_pkey_index)
{
<------>struct mlx5_ib_dev *dev = to_mdev(ibdev);
<------>u8 mgmt_class = in->mad_hdr.mgmt_class;
<------>u8 method = in->mad_hdr.method;
<------>u16 slid;
<------>int err;
 
<------>slid = in_wc ? ib_lid_cpu16(in_wc->slid) :
<------><------>       be16_to_cpu(IB_LID_PERMISSIVE);
 
<------>if (method == IB_MGMT_METHOD_TRAP && !slid)
<------><------>return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
 
<------>switch (mgmt_class) {
<------>case IB_MGMT_CLASS_SUBN_LID_ROUTED:
<------>case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: {
<------><------>if (method != IB_MGMT_METHOD_GET &&
<------><------>    method != IB_MGMT_METHOD_SET &&
<------><------>    method != IB_MGMT_METHOD_TRAP_REPRESS)
<------><------><------>return IB_MAD_RESULT_SUCCESS;
 
<------><------>/* Don't process SMInfo queries -- the SMA can't handle them.
<------><------> */
<------><------>if (in->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO)
<------><------><------>return IB_MAD_RESULT_SUCCESS;
<------>} break;
<------>case IB_MGMT_CLASS_PERF_MGMT:
<------><------>if (MLX5_CAP_GEN(dev->mdev, vport_counters) &&
<------><------>    method == IB_MGMT_METHOD_GET)
<------><------><------>return process_pma_cmd(dev, port_num, in, out);
<------><------>fallthrough;
<------>case MLX5_IB_VENDOR_CLASS1:
<------>case MLX5_IB_VENDOR_CLASS2:
<------>case IB_MGMT_CLASS_CONG_MGMT: {
<------><------>if (method != IB_MGMT_METHOD_GET &&
<------><------>    method != IB_MGMT_METHOD_SET)
<------><------><------>return IB_MAD_RESULT_SUCCESS;
<------>} break;
<------>default:
<------><------>return IB_MAD_RESULT_SUCCESS;
<------>}
 
<------>err = mlx5_MAD_IFC(to_mdev(ibdev), mad_flags & IB_MAD_IGNORE_MKEY,
<------><------><------>   mad_flags & IB_MAD_IGNORE_BKEY, port_num, in_wc,
<------><------><------>   in_grh, in, out);
<------>if (err)
<------><------>return IB_MAD_RESULT_FAILURE;
 
<------>/* set return bit in status of directed route responses */
<------>if (mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
<------><------>out->mad_hdr.status |= cpu_to_be16(1 << 15);
 
<------>if (method == IB_MGMT_METHOD_TRAP_REPRESS)
<------><------>/* no response for trap repress */
<------><------>return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
 
<------>return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY;
}
 
int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port)
{
<------>struct ib_smp *in_mad  = NULL;
<------>struct ib_smp *out_mad = NULL;
<------>int err = -ENOMEM;
<------>u16 packet_error;
 
<------>in_mad  = kzalloc(sizeof(*in_mad), GFP_KERNEL);
<------>out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
<------>if (!in_mad || !out_mad)
<------><------>goto out;
 
<------>init_query_mad(in_mad);
<------>in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO;
<------>in_mad->attr_mod = cpu_to_be32(port);
 
<------>err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
 
<------>packet_error = be16_to_cpu(out_mad->status);
 
<------>dev->mdev->port_caps[port - 1].ext_port_cap = (!err && !packet_error) ?
<------><------>MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO : 0;
 
out:
<------>kfree(in_mad);
<------>kfree(out_mad);
<------>return err;
}
 
int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
<------><------><------><------><------>  struct ib_smp *out_mad)
{
<------>struct ib_smp *in_mad = NULL;
<------>int err = -ENOMEM;
 
<------>in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
<------>if (!in_mad)
<------><------>return -ENOMEM;
 
<------>init_query_mad(in_mad);
<------>in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
 
<------>err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad,
<------><------><------>   out_mad);
 
<------>kfree(in_mad);
<------>return err;
}
 
int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
<------><------><------><------><------> __be64 *sys_image_guid)
{
<------>struct ib_smp *out_mad = NULL;
<------>int err = -ENOMEM;
 
<------>out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
<------>if (!out_mad)
<------><------>return -ENOMEM;
 
<------>err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad);
<------>if (err)
<------><------>goto out;
 
<------>memcpy(sys_image_guid, out_mad->data + 4, 8);
 
out:
<------>kfree(out_mad);
 
<------>return err;
}
 
int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,
<------><------><------><------> u16 *max_pkeys)
{
<------>struct ib_smp *out_mad = NULL;
<------>int err = -ENOMEM;
 
<------>out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
<------>if (!out_mad)
<------><------>return -ENOMEM;
 
<------>err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad);
<------>if (err)
<------><------>goto out;
 
<------>*max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28));
 
out:
<------>kfree(out_mad);
 
<------>return err;
}
 
int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev,
<------><------><------><------> u32 *vendor_id)
{
<------>struct ib_smp *out_mad = NULL;
<------>int err = -ENOMEM;
 
<------>out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
<------>if (!out_mad)
<------><------>return -ENOMEM;
 
<------>err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad);
<------>if (err)
<------><------>goto out;
 
<------>*vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) & 0xffff;
 
out:
<------>kfree(out_mad);
 
<------>return err;
}
 
int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
{
<------>struct ib_smp *in_mad  = NULL;
<------>struct ib_smp *out_mad = NULL;
<------>int err = -ENOMEM;
 
<------>in_mad  = kzalloc(sizeof(*in_mad), GFP_KERNEL);
<------>out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
<------>if (!in_mad || !out_mad)
<------><------>goto out;
 
<------>init_query_mad(in_mad);
<------>in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
 
<------>err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
<------>if (err)
<------><------>goto out;
 
<------>memcpy(node_desc, out_mad->data, IB_DEVICE_NODE_DESC_MAX);
out:
<------>kfree(in_mad);
<------>kfree(out_mad);
<------>return err;
}
 
int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid)
{
<------>struct ib_smp *in_mad  = NULL;
<------>struct ib_smp *out_mad = NULL;
<------>int err = -ENOMEM;
 
<------>in_mad  = kzalloc(sizeof(*in_mad), GFP_KERNEL);
<------>out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
<------>if (!in_mad || !out_mad)
<------><------>goto out;
 
<------>init_query_mad(in_mad);
<------>in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
 
<------>err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
<------>if (err)
<------><------>goto out;
 
<------>memcpy(node_guid, out_mad->data + 12, 8);
out:
<------>kfree(in_mad);
<------>kfree(out_mad);
<------>return err;
}
 
int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index,
<------><------><------>    u16 *pkey)
{
<------>struct ib_smp *in_mad  = NULL;
<------>struct ib_smp *out_mad = NULL;
<------>int err = -ENOMEM;
 
<------>in_mad  = kzalloc(sizeof(*in_mad), GFP_KERNEL);
<------>out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
<------>if (!in_mad || !out_mad)
<------><------>goto out;
 
<------>init_query_mad(in_mad);
<------>in_mad->attr_id  = IB_SMP_ATTR_PKEY_TABLE;
<------>in_mad->attr_mod = cpu_to_be32(index / 32);
 
<------>err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad,
<------><------><------>   out_mad);
<------>if (err)
<------><------>goto out;
 
<------>*pkey = be16_to_cpu(((__be16 *)out_mad->data)[index % 32]);
 
out:
<------>kfree(in_mad);
<------>kfree(out_mad);
<------>return err;
}
 
int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index,
<------><------><------>    union ib_gid *gid)
{
<------>struct ib_smp *in_mad  = NULL;
<------>struct ib_smp *out_mad = NULL;
<------>int err = -ENOMEM;
 
<------>in_mad  = kzalloc(sizeof(*in_mad), GFP_KERNEL);
<------>out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
<------>if (!in_mad || !out_mad)
<------><------>goto out;
 
<------>init_query_mad(in_mad);
<------>in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
<------>in_mad->attr_mod = cpu_to_be32(port);
 
<------>err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad,
<------><------><------>   out_mad);
<------>if (err)
<------><------>goto out;
 
<------>memcpy(gid->raw, out_mad->data + 8, 8);
 
<------>init_query_mad(in_mad);
<------>in_mad->attr_id  = IB_SMP_ATTR_GUID_INFO;
<------>in_mad->attr_mod = cpu_to_be32(index / 8);
 
<------>err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad,
<------><------><------>   out_mad);
<------>if (err)
<------><------>goto out;
 
<------>memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
 
out:
<------>kfree(in_mad);
<------>kfree(out_mad);
<------>return err;
}
 
int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
<------><------><------>    struct ib_port_attr *props)
{
<------>struct mlx5_ib_dev *dev = to_mdev(ibdev);
<------>struct mlx5_core_dev *mdev = dev->mdev;
<------>struct ib_smp *in_mad  = NULL;
<------>struct ib_smp *out_mad = NULL;
<------>int ext_active_speed;
<------>int err = -ENOMEM;
 
<------>in_mad  = kzalloc(sizeof(*in_mad), GFP_KERNEL);
<------>out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
<------>if (!in_mad || !out_mad)
<------><------>goto out;
 
<------>/* props being zeroed by the caller, avoid zeroing it here */
 
<------>init_query_mad(in_mad);
<------>in_mad->attr_id  = IB_SMP_ATTR_PORT_INFO;
<------>in_mad->attr_mod = cpu_to_be32(port);
 
<------>err = mlx5_MAD_IFC(dev, 1, 1, port, NULL, NULL, in_mad, out_mad);
<------>if (err) {
<------><------>mlx5_ib_warn(dev, "err %d\n", err);
<------><------>goto out;
<------>}
 
<------>props->lid		= be16_to_cpup((__be16 *)(out_mad->data + 16));
<------>props->lmc		= out_mad->data[34] & 0x7;
<------>props->sm_lid		= be16_to_cpup((__be16 *)(out_mad->data + 18));
<------>props->sm_sl		= out_mad->data[36] & 0xf;
<------>props->state		= out_mad->data[32] & 0xf;
<------>props->phys_state	= out_mad->data[33] >> 4;
<------>props->port_cap_flags	= be32_to_cpup((__be32 *)(out_mad->data + 20));
<------>props->gid_tbl_len	= out_mad->data[50];
<------>props->max_msg_sz	= 1 << MLX5_CAP_GEN(mdev, log_max_msg);
<------>props->pkey_tbl_len	= mdev->port_caps[port - 1].pkey_table_len;
<------>props->bad_pkey_cntr	= be16_to_cpup((__be16 *)(out_mad->data + 46));
<------>props->qkey_viol_cntr	= be16_to_cpup((__be16 *)(out_mad->data + 48));
<------>props->active_width	= out_mad->data[31] & 0xf;
<------>props->active_speed	= out_mad->data[35] >> 4;
<------>props->max_mtu		= out_mad->data[41] & 0xf;
<------>props->active_mtu	= out_mad->data[36] >> 4;
<------>props->subnet_timeout	= out_mad->data[51] & 0x1f;
<------>props->max_vl_num	= out_mad->data[37] >> 4;
<------>props->init_type_reply	= out_mad->data[41] >> 4;
 
<------>if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP) {
<------><------>props->port_cap_flags2 =
<------><------><------>be16_to_cpup((__be16 *)(out_mad->data + 60));
 
<------><------>if (props->port_cap_flags2 & IB_PORT_LINK_WIDTH_2X_SUP)
<------><------><------>props->active_width = out_mad->data[31] & 0x1f;
<------>}
 
<------>/* Check if extended speeds (EDR/FDR/...) are supported */
<------>if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
<------><------>ext_active_speed = out_mad->data[62] >> 4;
 
<------><------>switch (ext_active_speed) {
<------><------>case 1:
<------><------><------>props->active_speed = 16; /* FDR */
<------><------><------>break;
<------><------>case 2:
<------><------><------>props->active_speed = 32; /* EDR */
<------><------><------>break;
<------><------>case 4:
<------><------><------>if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP &&
<------><------><------>    props->port_cap_flags2 & IB_PORT_LINK_SPEED_HDR_SUP)
<------><------><------><------>props->active_speed = IB_SPEED_HDR;
<------><------><------>break;
<------><------>}
<------>}
 
<------>/* If reported active speed is QDR, check if is FDR-10 */
<------>if (props->active_speed == 4) {
<------><------>if (mdev->port_caps[port - 1].ext_port_cap &
<------><------>    MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) {
<------><------><------>init_query_mad(in_mad);
<------><------><------>in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO;
<------><------><------>in_mad->attr_mod = cpu_to_be32(port);
 
<------><------><------>err = mlx5_MAD_IFC(dev, 1, 1, port,
<------><------><------><------><------>   NULL, NULL, in_mad, out_mad);
<------><------><------>if (err)
<------><------><------><------>goto out;
 
<------><------><------>/* Checking LinkSpeedActive for FDR-10 */
<------><------><------>if (out_mad->data[15] & 0x1)
<------><------><------><------>props->active_speed = 8;
<------><------>}
<------>}
 
out:
<------>kfree(in_mad);
<------>kfree(out_mad);
 
<------>return err;
}