Orange Pi5 kernel

/* cnic.c: QLogic CNIC core network driver.
 *
 * Copyright (c) 2006-2014 Broadcom Corporation
 * Copyright (c) 2014-2015 QLogic Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
 * Original skeleton written by: John(Zongxi) Chen (zongxi@broadcom.com)
 * Previously modified and maintained by: Michael Chan <mchan@broadcom.com>
 * Maintained By: Dept-HSGLinuxNICDev@qlogic.com
 */
 
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
#include <linux/module.h>
 
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/uio_driver.h>
#include <linux/in.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#include <linux/prefetch.h>
#include <linux/random.h>
#if IS_ENABLED(CONFIG_VLAN_8021Q)
#define BCM_VLAN 1
#endif
#include <net/ip.h>
#include <net/tcp.h>
#include <net/route.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
#include <net/ip6_checksum.h>
#include <scsi/iscsi_if.h>
 
#define BCM_CNIC	1
#include "cnic_if.h"
#include "bnx2.h"
#include "bnx2x/bnx2x.h"
#include "bnx2x/bnx2x_reg.h"
#include "bnx2x/bnx2x_fw_defs.h"
#include "bnx2x/bnx2x_hsi.h"
#include "../../../scsi/bnx2i/57xx_iscsi_constants.h"
#include "../../../scsi/bnx2i/57xx_iscsi_hsi.h"
#include "../../../scsi/bnx2fc/bnx2fc_constants.h"
#include "cnic.h"
#include "cnic_defs.h"
 
#define CNIC_MODULE_NAME	"cnic"
 
static char version[] =
<------>"QLogic " CNIC_MODULE_NAME "Driver v" CNIC_MODULE_VERSION " (" CNIC_MODULE_RELDATE ")\n";
 
MODULE_AUTHOR("Michael Chan <mchan@broadcom.com> and John(Zongxi) "
<------>      "Chen (zongxi@broadcom.com");
MODULE_DESCRIPTION("QLogic cnic Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(CNIC_MODULE_VERSION);
 
/* cnic_dev_list modifications are protected by both rtnl and cnic_dev_lock */
static LIST_HEAD(cnic_dev_list);
static LIST_HEAD(cnic_udev_list);
static DEFINE_RWLOCK(cnic_dev_lock);
static DEFINE_MUTEX(cnic_lock);
 
static struct cnic_ulp_ops __rcu *cnic_ulp_tbl[MAX_CNIC_ULP_TYPE];
 
/* helper function, assuming cnic_lock is held */
static inline struct cnic_ulp_ops *cnic_ulp_tbl_prot(int type)
{
<------>return rcu_dereference_protected(cnic_ulp_tbl[type],
<------><------><------><------><------> lockdep_is_held(&cnic_lock));
}
 
static int cnic_service_bnx2(void *, void *);
static int cnic_service_bnx2x(void *, void *);
static int cnic_ctl(void *, struct cnic_ctl_info *);
 
static struct cnic_ops cnic_bnx2_ops = {
<------>.cnic_owner	= THIS_MODULE,
<------>.cnic_handler	= cnic_service_bnx2,
<------>.cnic_ctl	= cnic_ctl,
};
 
static struct cnic_ops cnic_bnx2x_ops = {
<------>.cnic_owner	= THIS_MODULE,
<------>.cnic_handler	= cnic_service_bnx2x,
<------>.cnic_ctl	= cnic_ctl,
};
 
static struct workqueue_struct *cnic_wq;
 
static void cnic_shutdown_rings(struct cnic_dev *);
static void cnic_init_rings(struct cnic_dev *);
static int cnic_cm_set_pg(struct cnic_sock *);
 
static int cnic_uio_open(struct uio_info *uinfo, struct inode *inode)
{
<------>struct cnic_uio_dev *udev = uinfo->priv;
<------>struct cnic_dev *dev;
 
<------>if (!capable(CAP_NET_ADMIN))
<------><------>return -EPERM;
 
<------>if (udev->uio_dev != -1)
<------><------>return -EBUSY;
 
<------>rtnl_lock();
<------>dev = udev->dev;
 
<------>if (!dev || !test_bit(CNIC_F_CNIC_UP, &dev->flags)) {
<------><------>rtnl_unlock();
<------><------>return -ENODEV;
<------>}
 
<------>udev->uio_dev = iminor(inode);
 
<------>cnic_shutdown_rings(dev);
<------>cnic_init_rings(dev);
<------>rtnl_unlock();
 
<------>return 0;
}
 
static int cnic_uio_close(struct uio_info *uinfo, struct inode *inode)
{
<------>struct cnic_uio_dev *udev = uinfo->priv;
 
<------>udev->uio_dev = -1;
<------>return 0;
}
 
static inline void cnic_hold(struct cnic_dev *dev)
{
<------>atomic_inc(&dev->ref_count);
}
 
static inline void cnic_put(struct cnic_dev *dev)
{
<------>atomic_dec(&dev->ref_count);
}
 
static inline void csk_hold(struct cnic_sock *csk)
{
<------>atomic_inc(&csk->ref_count);
}
 
static inline void csk_put(struct cnic_sock *csk)
{
<------>atomic_dec(&csk->ref_count);
}
 
static struct cnic_dev *cnic_from_netdev(struct net_device *netdev)
{
<------>struct cnic_dev *cdev;
 
<------>read_lock(&cnic_dev_lock);
<------>list_for_each_entry(cdev, &cnic_dev_list, list) {
<------><------>if (netdev == cdev->netdev) {
<------><------><------>cnic_hold(cdev);
<------><------><------>read_unlock(&cnic_dev_lock);
<------><------><------>return cdev;
<------><------>}
<------>}
<------>read_unlock(&cnic_dev_lock);
<------>return NULL;
}
 
static inline void ulp_get(struct cnic_ulp_ops *ulp_ops)
{
<------>atomic_inc(&ulp_ops->ref_count);
}
 
static inline void ulp_put(struct cnic_ulp_ops *ulp_ops)
{
<------>atomic_dec(&ulp_ops->ref_count);
}
 
static void cnic_ctx_wr(struct cnic_dev *dev, u32 cid_addr, u32 off, u32 val)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct drv_ctl_info info;
<------>struct drv_ctl_io *io = &info.data.io;
 
<------>memset(&info, 0, sizeof(struct drv_ctl_info));
<------>info.cmd = DRV_CTL_CTX_WR_CMD;
<------>io->cid_addr = cid_addr;
<------>io->offset = off;
<------>io->data = val;
<------>ethdev->drv_ctl(dev->netdev, &info);
}
 
static void cnic_ctx_tbl_wr(struct cnic_dev *dev, u32 off, dma_addr_t addr)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct drv_ctl_info info;
<------>struct drv_ctl_io *io = &info.data.io;
 
<------>memset(&info, 0, sizeof(struct drv_ctl_info));
<------>info.cmd = DRV_CTL_CTXTBL_WR_CMD;
<------>io->offset = off;
<------>io->dma_addr = addr;
<------>ethdev->drv_ctl(dev->netdev, &info);
}
 
static void cnic_ring_ctl(struct cnic_dev *dev, u32 cid, u32 cl_id, int start)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct drv_ctl_info info;
<------>struct drv_ctl_l2_ring *ring = &info.data.ring;
 
<------>memset(&info, 0, sizeof(struct drv_ctl_info));
<------>if (start)
<------><------>info.cmd = DRV_CTL_START_L2_CMD;
<------>else
<------><------>info.cmd = DRV_CTL_STOP_L2_CMD;
 
<------>ring->cid = cid;
<------>ring->client_id = cl_id;
<------>ethdev->drv_ctl(dev->netdev, &info);
}
 
static void cnic_reg_wr_ind(struct cnic_dev *dev, u32 off, u32 val)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct drv_ctl_info info;
<------>struct drv_ctl_io *io = &info.data.io;
 
<------>memset(&info, 0, sizeof(struct drv_ctl_info));
<------>info.cmd = DRV_CTL_IO_WR_CMD;
<------>io->offset = off;
<------>io->data = val;
<------>ethdev->drv_ctl(dev->netdev, &info);
}
 
static u32 cnic_reg_rd_ind(struct cnic_dev *dev, u32 off)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct drv_ctl_info info;
<------>struct drv_ctl_io *io = &info.data.io;
 
<------>memset(&info, 0, sizeof(struct drv_ctl_info));
<------>info.cmd = DRV_CTL_IO_RD_CMD;
<------>io->offset = off;
<------>ethdev->drv_ctl(dev->netdev, &info);
<------>return io->data;
}
 
static void cnic_ulp_ctl(struct cnic_dev *dev, int ulp_type, bool reg, int state)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct drv_ctl_info info;
<------>struct fcoe_capabilities *fcoe_cap =
<------><------>&info.data.register_data.fcoe_features;
 
<------>memset(&info, 0, sizeof(struct drv_ctl_info));
<------>if (reg) {
<------><------>info.cmd = DRV_CTL_ULP_REGISTER_CMD;
<------><------>if (ulp_type == CNIC_ULP_FCOE && dev->fcoe_cap)
<------><------><------>memcpy(fcoe_cap, dev->fcoe_cap, sizeof(*fcoe_cap));
<------>} else {
<------><------>info.cmd = DRV_CTL_ULP_UNREGISTER_CMD;
<------>}
 
<------>info.data.ulp_type = ulp_type;
<------>info.drv_state = state;
<------>ethdev->drv_ctl(dev->netdev, &info);
}
 
static int cnic_in_use(struct cnic_sock *csk)
{
<------>return test_bit(SK_F_INUSE, &csk->flags);
}
 
static void cnic_spq_completion(struct cnic_dev *dev, int cmd, u32 count)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct drv_ctl_info info;
 
<------>memset(&info, 0, sizeof(struct drv_ctl_info));
<------>info.cmd = cmd;
<------>info.data.credit.credit_count = count;
<------>ethdev->drv_ctl(dev->netdev, &info);
}
 
static int cnic_get_l5_cid(struct cnic_local *cp, u32 cid, u32 *l5_cid)
{
<------>u32 i;
 
<------>if (!cp->ctx_tbl)
<------><------>return -EINVAL;
 
<------>for (i = 0; i < cp->max_cid_space; i++) {
<------><------>if (cp->ctx_tbl[i].cid == cid) {
<------><------><------>*l5_cid = i;
<------><------><------>return 0;
<------><------>}
<------>}
<------>return -EINVAL;
}
 
static int cnic_send_nlmsg(struct cnic_local *cp, u32 type,
<------><------><------>   struct cnic_sock *csk)
{
<------>struct iscsi_path path_req;
<------>char *buf = NULL;
<------>u16 len = 0;
<------>u32 msg_type = ISCSI_KEVENT_IF_DOWN;
<------>struct cnic_ulp_ops *ulp_ops;
<------>struct cnic_uio_dev *udev = cp->udev;
<------>int rc = 0, retry = 0;
 
<------>if (!udev || udev->uio_dev == -1)
<------><------>return -ENODEV;
 
<------>if (csk) {
<------><------>len = sizeof(path_req);
<------><------>buf = (char *) &path_req;
<------><------>memset(&path_req, 0, len);
 
<------><------>msg_type = ISCSI_KEVENT_PATH_REQ;
<------><------>path_req.handle = (u64) csk->l5_cid;
<------><------>if (test_bit(SK_F_IPV6, &csk->flags)) {
<------><------><------>memcpy(&path_req.dst.v6_addr, &csk->dst_ip[0],
<------><------><------>       sizeof(struct in6_addr));
<------><------><------>path_req.ip_addr_len = 16;
<------><------>} else {
<------><------><------>memcpy(&path_req.dst.v4_addr, &csk->dst_ip[0],
<------><------><------>       sizeof(struct in_addr));
<------><------><------>path_req.ip_addr_len = 4;
<------><------>}
<------><------>path_req.vlan_id = csk->vlan_id;
<------><------>path_req.pmtu = csk->mtu;
<------>}
 
<------>while (retry < 3) {
<------><------>rc = 0;
<------><------>rcu_read_lock();
<------><------>ulp_ops = rcu_dereference(cp->ulp_ops[CNIC_ULP_ISCSI]);
<------><------>if (ulp_ops)
<------><------><------>rc = ulp_ops->iscsi_nl_send_msg(
<------><------><------><------>cp->ulp_handle[CNIC_ULP_ISCSI],
<------><------><------><------>msg_type, buf, len);
<------><------>rcu_read_unlock();
<------><------>if (rc == 0 || msg_type != ISCSI_KEVENT_PATH_REQ)
<------><------><------>break;
 
<------><------>msleep(100);
<------><------>retry++;
<------>}
<------>return rc;
}
 
static void cnic_cm_upcall(struct cnic_local *, struct cnic_sock *, u8);
 
static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type,
<------><------><------><------>  char *buf, u16 len)
{
<------>int rc = -EINVAL;
 
<------>switch (msg_type) {
<------>case ISCSI_UEVENT_PATH_UPDATE: {
<------><------>struct cnic_local *cp;
<------><------>u32 l5_cid;
<------><------>struct cnic_sock *csk;
<------><------>struct iscsi_path *path_resp;
 
<------><------>if (len < sizeof(*path_resp))
<------><------><------>break;
 
<------><------>path_resp = (struct iscsi_path *) buf;
<------><------>cp = dev->cnic_priv;
<------><------>l5_cid = (u32) path_resp->handle;
<------><------>if (l5_cid >= MAX_CM_SK_TBL_SZ)
<------><------><------>break;
 
<------><------>if (!rcu_access_pointer(cp->ulp_ops[CNIC_ULP_L4])) {
<------><------><------>rc = -ENODEV;
<------><------><------>break;
<------><------>}
<------><------>csk = &cp->csk_tbl[l5_cid];
<------><------>csk_hold(csk);
<------><------>if (cnic_in_use(csk) &&
<------><------>    test_bit(SK_F_CONNECT_START, &csk->flags)) {
 
<------><------><------>csk->vlan_id = path_resp->vlan_id;
 
<------><------><------>memcpy(csk->ha, path_resp->mac_addr, ETH_ALEN);
<------><------><------>if (test_bit(SK_F_IPV6, &csk->flags))
<------><------><------><------>memcpy(&csk->src_ip[0], &path_resp->src.v6_addr,
<------><------><------><------>       sizeof(struct in6_addr));
<------><------><------>else
<------><------><------><------>memcpy(&csk->src_ip[0], &path_resp->src.v4_addr,
<------><------><------><------>       sizeof(struct in_addr));
 
<------><------><------>if (is_valid_ether_addr(csk->ha)) {
<------><------><------><------>cnic_cm_set_pg(csk);
<------><------><------>} else if (!test_bit(SK_F_OFFLD_SCHED, &csk->flags) &&
<------><------><------><------>!test_bit(SK_F_OFFLD_COMPLETE, &csk->flags)) {
 
<------><------><------><------>cnic_cm_upcall(cp, csk,
<------><------><------><------><------>L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
<------><------><------><------>clear_bit(SK_F_CONNECT_START, &csk->flags);
<------><------><------>}
<------><------>}
<------><------>csk_put(csk);
<------><------>rc = 0;
<------>}
<------>}
 
<------>return rc;
}
 
static int cnic_offld_prep(struct cnic_sock *csk)
{
<------>if (test_and_set_bit(SK_F_OFFLD_SCHED, &csk->flags))
<------><------>return 0;
 
<------>if (!test_bit(SK_F_CONNECT_START, &csk->flags)) {
<------><------>clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
<------><------>return 0;
<------>}
 
<------>return 1;
}
 
static int cnic_close_prep(struct cnic_sock *csk)
{
<------>clear_bit(SK_F_CONNECT_START, &csk->flags);
<------>smp_mb__after_atomic();
 
<------>if (test_and_clear_bit(SK_F_OFFLD_COMPLETE, &csk->flags)) {
<------><------>while (test_and_set_bit(SK_F_OFFLD_SCHED, &csk->flags))
<------><------><------>msleep(1);
 
<------><------>return 1;
<------>}
<------>return 0;
}
 
static int cnic_abort_prep(struct cnic_sock *csk)
{
<------>clear_bit(SK_F_CONNECT_START, &csk->flags);
<------>smp_mb__after_atomic();
 
<------>while (test_and_set_bit(SK_F_OFFLD_SCHED, &csk->flags))
<------><------>msleep(1);
 
<------>if (test_and_clear_bit(SK_F_OFFLD_COMPLETE, &csk->flags)) {
<------><------>csk->state = L4_KCQE_OPCODE_VALUE_RESET_COMP;
<------><------>return 1;
<------>}
 
<------>return 0;
}
 
int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops)
{
<------>struct cnic_dev *dev;
 
<------>if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
<------><------>pr_err("%s: Bad type %d\n", __func__, ulp_type);
<------><------>return -EINVAL;
<------>}
<------>mutex_lock(&cnic_lock);
<------>if (cnic_ulp_tbl_prot(ulp_type)) {
<------><------>pr_err("%s: Type %d has already been registered\n",
<------><------>       __func__, ulp_type);
<------><------>mutex_unlock(&cnic_lock);
<------><------>return -EBUSY;
<------>}
 
<------>read_lock(&cnic_dev_lock);
<------>list_for_each_entry(dev, &cnic_dev_list, list) {
<------><------>struct cnic_local *cp = dev->cnic_priv;
 
<------><------>clear_bit(ULP_F_INIT, &cp->ulp_flags[ulp_type]);
<------>}
<------>read_unlock(&cnic_dev_lock);
 
<------>atomic_set(&ulp_ops->ref_count, 0);
<------>rcu_assign_pointer(cnic_ulp_tbl[ulp_type], ulp_ops);
<------>mutex_unlock(&cnic_lock);
 
<------>/* Prevent race conditions with netdev_event */
<------>rtnl_lock();
<------>list_for_each_entry(dev, &cnic_dev_list, list) {
<------><------>struct cnic_local *cp = dev->cnic_priv;
 
<------><------>if (!test_and_set_bit(ULP_F_INIT, &cp->ulp_flags[ulp_type]))
<------><------><------>ulp_ops->cnic_init(dev);
<------>}
<------>rtnl_unlock();
 
<------>return 0;
}
 
int cnic_unregister_driver(int ulp_type)
{
<------>struct cnic_dev *dev;
<------>struct cnic_ulp_ops *ulp_ops;
<------>int i = 0;
 
<------>if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
<------><------>pr_err("%s: Bad type %d\n", __func__, ulp_type);
<------><------>return -EINVAL;
<------>}
<------>mutex_lock(&cnic_lock);
<------>ulp_ops = cnic_ulp_tbl_prot(ulp_type);
<------>if (!ulp_ops) {
<------><------>pr_err("%s: Type %d has not been registered\n",
<------><------>       __func__, ulp_type);
<------><------>goto out_unlock;
<------>}
<------>read_lock(&cnic_dev_lock);
<------>list_for_each_entry(dev, &cnic_dev_list, list) {
<------><------>struct cnic_local *cp = dev->cnic_priv;
 
<------><------>if (rcu_access_pointer(cp->ulp_ops[ulp_type])) {
<------><------><------>pr_err("%s: Type %d still has devices registered\n",
<------><------><------>       __func__, ulp_type);
<------><------><------>read_unlock(&cnic_dev_lock);
<------><------><------>goto out_unlock;
<------><------>}
<------>}
<------>read_unlock(&cnic_dev_lock);
 
<------>RCU_INIT_POINTER(cnic_ulp_tbl[ulp_type], NULL);
 
<------>mutex_unlock(&cnic_lock);
<------>synchronize_rcu();
<------>while ((atomic_read(&ulp_ops->ref_count) != 0) && (i < 20)) {
<------><------>msleep(100);
<------><------>i++;
<------>}
 
<------>if (atomic_read(&ulp_ops->ref_count) != 0)
<------><------>pr_warn("%s: Failed waiting for ref count to go to zero\n",
<------><------><------>__func__);
<------>return 0;
 
out_unlock:
<------>mutex_unlock(&cnic_lock);
<------>return -EINVAL;
}
 
static int cnic_start_hw(struct cnic_dev *);
static void cnic_stop_hw(struct cnic_dev *);
 
static int cnic_register_device(struct cnic_dev *dev, int ulp_type,
<------><------><------><------>void *ulp_ctx)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_ulp_ops *ulp_ops;
 
<------>if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
<------><------>pr_err("%s: Bad type %d\n", __func__, ulp_type);
<------><------>return -EINVAL;
<------>}
<------>mutex_lock(&cnic_lock);
<------>if (cnic_ulp_tbl_prot(ulp_type) == NULL) {
<------><------>pr_err("%s: Driver with type %d has not been registered\n",
<------><------>       __func__, ulp_type);
<------><------>mutex_unlock(&cnic_lock);
<------><------>return -EAGAIN;
<------>}
<------>if (rcu_access_pointer(cp->ulp_ops[ulp_type])) {
<------><------>pr_err("%s: Type %d has already been registered to this device\n",
<------><------>       __func__, ulp_type);
<------><------>mutex_unlock(&cnic_lock);
<------><------>return -EBUSY;
<------>}
 
<------>clear_bit(ULP_F_START, &cp->ulp_flags[ulp_type]);
<------>cp->ulp_handle[ulp_type] = ulp_ctx;
<------>ulp_ops = cnic_ulp_tbl_prot(ulp_type);
<------>rcu_assign_pointer(cp->ulp_ops[ulp_type], ulp_ops);
<------>cnic_hold(dev);
 
<------>if (test_bit(CNIC_F_CNIC_UP, &dev->flags))
<------><------>if (!test_and_set_bit(ULP_F_START, &cp->ulp_flags[ulp_type]))
<------><------><------>ulp_ops->cnic_start(cp->ulp_handle[ulp_type]);
 
<------>mutex_unlock(&cnic_lock);
 
<------>cnic_ulp_ctl(dev, ulp_type, true, DRV_ACTIVE);
 
<------>return 0;
 
}
EXPORT_SYMBOL(cnic_register_driver);
 
static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int i = 0;
 
<------>if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
<------><------>pr_err("%s: Bad type %d\n", __func__, ulp_type);
<------><------>return -EINVAL;
<------>}
 
<------>if (ulp_type == CNIC_ULP_ISCSI)
<------><------>cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
 
<------>mutex_lock(&cnic_lock);
<------>if (rcu_access_pointer(cp->ulp_ops[ulp_type])) {
<------><------>RCU_INIT_POINTER(cp->ulp_ops[ulp_type], NULL);
<------><------>cnic_put(dev);
<------>} else {
<------><------>pr_err("%s: device not registered to this ulp type %d\n",
<------><------>       __func__, ulp_type);
<------><------>mutex_unlock(&cnic_lock);
<------><------>return -EINVAL;
<------>}
<------>mutex_unlock(&cnic_lock);
 
<------>if (ulp_type == CNIC_ULP_FCOE)
<------><------>dev->fcoe_cap = NULL;
 
<------>synchronize_rcu();
 
<------>while (test_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[ulp_type]) &&
<------>       i < 20) {
<------><------>msleep(100);
<------><------>i++;
<------>}
<------>if (test_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[ulp_type]))
<------><------>netdev_warn(dev->netdev, "Failed waiting for ULP up call to complete\n");
 
<------>if (test_bit(ULP_F_INIT, &cp->ulp_flags[ulp_type]))
<------><------>cnic_ulp_ctl(dev, ulp_type, false, DRV_UNLOADED);
<------>else
<------><------>cnic_ulp_ctl(dev, ulp_type, false, DRV_INACTIVE);
 
<------>return 0;
}
EXPORT_SYMBOL(cnic_unregister_driver);
 
static int cnic_init_id_tbl(struct cnic_id_tbl *id_tbl, u32 size, u32 start_id,
<------><------><------>    u32 next)
{
<------>id_tbl->start = start_id;
<------>id_tbl->max = size;
<------>id_tbl->next = next;
<------>spin_lock_init(&id_tbl->lock);
<------>id_tbl->table = kcalloc(BITS_TO_LONGS(size), sizeof(long), GFP_KERNEL);
<------>if (!id_tbl->table)
<------><------>return -ENOMEM;
 
<------>return 0;
}
 
static void cnic_free_id_tbl(struct cnic_id_tbl *id_tbl)
{
<------>kfree(id_tbl->table);
<------>id_tbl->table = NULL;
}
 
static int cnic_alloc_id(struct cnic_id_tbl *id_tbl, u32 id)
{
<------>int ret = -1;
 
<------>id -= id_tbl->start;
<------>if (id >= id_tbl->max)
<------><------>return ret;
 
<------>spin_lock(&id_tbl->lock);
<------>if (!test_bit(id, id_tbl->table)) {
<------><------>set_bit(id, id_tbl->table);
<------><------>ret = 0;
<------>}
<------>spin_unlock(&id_tbl->lock);
<------>return ret;
}
 
/* Returns -1 if not successful */
static u32 cnic_alloc_new_id(struct cnic_id_tbl *id_tbl)
{
<------>u32 id;
 
<------>spin_lock(&id_tbl->lock);
<------>id = find_next_zero_bit(id_tbl->table, id_tbl->max, id_tbl->next);
<------>if (id >= id_tbl->max) {
<------><------>id = -1;
<------><------>if (id_tbl->next != 0) {
<------><------><------>id = find_first_zero_bit(id_tbl->table, id_tbl->next);
<------><------><------>if (id >= id_tbl->next)
<------><------><------><------>id = -1;
<------><------>}
<------>}
 
<------>if (id < id_tbl->max) {
<------><------>set_bit(id, id_tbl->table);
<------><------>id_tbl->next = (id + 1) & (id_tbl->max - 1);
<------><------>id += id_tbl->start;
<------>}
 
<------>spin_unlock(&id_tbl->lock);
 
<------>return id;
}
 
static void cnic_free_id(struct cnic_id_tbl *id_tbl, u32 id)
{
<------>if (id == -1)
<------><------>return;
 
<------>id -= id_tbl->start;
<------>if (id >= id_tbl->max)
<------><------>return;
 
<------>clear_bit(id, id_tbl->table);
}
 
static void cnic_free_dma(struct cnic_dev *dev, struct cnic_dma *dma)
{
<------>int i;
 
<------>if (!dma->pg_arr)
<------><------>return;
 
<------>for (i = 0; i < dma->num_pages; i++) {
<------><------>if (dma->pg_arr[i]) {
<------><------><------>dma_free_coherent(&dev->pcidev->dev, CNIC_PAGE_SIZE,
<------><------><------><------><------>  dma->pg_arr[i], dma->pg_map_arr[i]);
<------><------><------>dma->pg_arr[i] = NULL;
<------><------>}
<------>}
<------>if (dma->pgtbl) {
<------><------>dma_free_coherent(&dev->pcidev->dev, dma->pgtbl_size,
<------><------><------><------>  dma->pgtbl, dma->pgtbl_map);
<------><------>dma->pgtbl = NULL;
<------>}
<------>kfree(dma->pg_arr);
<------>dma->pg_arr = NULL;
<------>dma->num_pages = 0;
}
 
static void cnic_setup_page_tbl(struct cnic_dev *dev, struct cnic_dma *dma)
{
<------>int i;
<------>__le32 *page_table = (__le32 *) dma->pgtbl;
 
<------>for (i = 0; i < dma->num_pages; i++) {
<------><------>/* Each entry needs to be in big endian format. */
<------><------>*page_table = cpu_to_le32((u64) dma->pg_map_arr[i] >> 32);
<------><------>page_table++;
<------><------>*page_table = cpu_to_le32(dma->pg_map_arr[i] & 0xffffffff);
<------><------>page_table++;
<------>}
}
 
static void cnic_setup_page_tbl_le(struct cnic_dev *dev, struct cnic_dma *dma)
{
<------>int i;
<------>__le32 *page_table = (__le32 *) dma->pgtbl;
 
<------>for (i = 0; i < dma->num_pages; i++) {
<------><------>/* Each entry needs to be in little endian format. */
<------><------>*page_table = cpu_to_le32(dma->pg_map_arr[i] & 0xffffffff);
<------><------>page_table++;
<------><------>*page_table = cpu_to_le32((u64) dma->pg_map_arr[i] >> 32);
<------><------>page_table++;
<------>}
}
 
static int cnic_alloc_dma(struct cnic_dev *dev, struct cnic_dma *dma,
<------><------><------>  int pages, int use_pg_tbl)
{
<------>int i, size;
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>size = pages * (sizeof(void *) + sizeof(dma_addr_t));
<------>dma->pg_arr = kzalloc(size, GFP_ATOMIC);
<------>if (dma->pg_arr == NULL)
<------><------>return -ENOMEM;
 
<------>dma->pg_map_arr = (dma_addr_t *) (dma->pg_arr + pages);
<------>dma->num_pages = pages;
 
<------>for (i = 0; i < pages; i++) {
<------><------>dma->pg_arr[i] = dma_alloc_coherent(&dev->pcidev->dev,
<------><------><------><------><------><------>    CNIC_PAGE_SIZE,
<------><------><------><------><------><------>    &dma->pg_map_arr[i],
<------><------><------><------><------><------>    GFP_ATOMIC);
<------><------>if (dma->pg_arr[i] == NULL)
<------><------><------>goto error;
<------>}
<------>if (!use_pg_tbl)
<------><------>return 0;
 
<------>dma->pgtbl_size = ((pages * 8) + CNIC_PAGE_SIZE - 1) &
<------><------><------>  ~(CNIC_PAGE_SIZE - 1);
<------>dma->pgtbl = dma_alloc_coherent(&dev->pcidev->dev, dma->pgtbl_size,
<------><------><------><------><------>&dma->pgtbl_map, GFP_ATOMIC);
<------>if (dma->pgtbl == NULL)
<------><------>goto error;
 
<------>cp->setup_pgtbl(dev, dma);
 
<------>return 0;
 
error:
<------>cnic_free_dma(dev, dma);
<------>return -ENOMEM;
}
 
static void cnic_free_context(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int i;
 
<------>for (i = 0; i < cp->ctx_blks; i++) {
<------><------>if (cp->ctx_arr[i].ctx) {
<------><------><------>dma_free_coherent(&dev->pcidev->dev, cp->ctx_blk_size,
<------><------><------><------><------>  cp->ctx_arr[i].ctx,
<------><------><------><------><------>  cp->ctx_arr[i].mapping);
<------><------><------>cp->ctx_arr[i].ctx = NULL;
<------><------>}
<------>}
}
 
static void __cnic_free_uio_rings(struct cnic_uio_dev *udev)
{
<------>if (udev->l2_buf) {
<------><------>dma_free_coherent(&udev->pdev->dev, udev->l2_buf_size,
<------><------><------><------>  udev->l2_buf, udev->l2_buf_map);
<------><------>udev->l2_buf = NULL;
<------>}
 
<------>if (udev->l2_ring) {
<------><------>dma_free_coherent(&udev->pdev->dev, udev->l2_ring_size,
<------><------><------><------>  udev->l2_ring, udev->l2_ring_map);
<------><------>udev->l2_ring = NULL;
<------>}
 
}
 
static void __cnic_free_uio(struct cnic_uio_dev *udev)
{
<------>uio_unregister_device(&udev->cnic_uinfo);
 
<------>__cnic_free_uio_rings(udev);
 
<------>pci_dev_put(udev->pdev);
<------>kfree(udev);
}
 
static void cnic_free_uio(struct cnic_uio_dev *udev)
{
<------>if (!udev)
<------><------>return;
 
<------>write_lock(&cnic_dev_lock);
<------>list_del_init(&udev->list);
<------>write_unlock(&cnic_dev_lock);
<------>__cnic_free_uio(udev);
}
 
static void cnic_free_resc(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_uio_dev *udev = cp->udev;
 
<------>if (udev) {
<------><------>udev->dev = NULL;
<------><------>cp->udev = NULL;
<------><------>if (udev->uio_dev == -1)
<------><------><------>__cnic_free_uio_rings(udev);
<------>}
 
<------>cnic_free_context(dev);
<------>kfree(cp->ctx_arr);
<------>cp->ctx_arr = NULL;
<------>cp->ctx_blks = 0;
 
<------>cnic_free_dma(dev, &cp->gbl_buf_info);
<------>cnic_free_dma(dev, &cp->kwq_info);
<------>cnic_free_dma(dev, &cp->kwq_16_data_info);
<------>cnic_free_dma(dev, &cp->kcq2.dma);
<------>cnic_free_dma(dev, &cp->kcq1.dma);
<------>kfree(cp->iscsi_tbl);
<------>cp->iscsi_tbl = NULL;
<------>kfree(cp->ctx_tbl);
<------>cp->ctx_tbl = NULL;
 
<------>cnic_free_id_tbl(&cp->fcoe_cid_tbl);
<------>cnic_free_id_tbl(&cp->cid_tbl);
}
 
static int cnic_alloc_context(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>if (BNX2_CHIP(cp) == BNX2_CHIP_5709) {
<------><------>int i, k, arr_size;
 
<------><------>cp->ctx_blk_size = CNIC_PAGE_SIZE;
<------><------>cp->cids_per_blk = CNIC_PAGE_SIZE / 128;
<------><------>arr_size = BNX2_MAX_CID / cp->cids_per_blk *
<------><------><------>   sizeof(struct cnic_ctx);
<------><------>cp->ctx_arr = kzalloc(arr_size, GFP_KERNEL);
<------><------>if (cp->ctx_arr == NULL)
<------><------><------>return -ENOMEM;
 
<------><------>k = 0;
<------><------>for (i = 0; i < 2; i++) {
<------><------><------>u32 j, reg, off, lo, hi;
 
<------><------><------>if (i == 0)
<------><------><------><------>off = BNX2_PG_CTX_MAP;
<------><------><------>else
<------><------><------><------>off = BNX2_ISCSI_CTX_MAP;
 
<------><------><------>reg = cnic_reg_rd_ind(dev, off);
<------><------><------>lo = reg >> 16;
<------><------><------>hi = reg & 0xffff;
<------><------><------>for (j = lo; j < hi; j += cp->cids_per_blk, k++)
<------><------><------><------>cp->ctx_arr[k].cid = j;
<------><------>}
 
<------><------>cp->ctx_blks = k;
<------><------>if (cp->ctx_blks >= (BNX2_MAX_CID / cp->cids_per_blk)) {
<------><------><------>cp->ctx_blks = 0;
<------><------><------>return -ENOMEM;
<------><------>}
 
<------><------>for (i = 0; i < cp->ctx_blks; i++) {
<------><------><------>cp->ctx_arr[i].ctx =
<------><------><------><------>dma_alloc_coherent(&dev->pcidev->dev,
<------><------><------><------><------><------>   CNIC_PAGE_SIZE,
<------><------><------><------><------><------>   &cp->ctx_arr[i].mapping,
<------><------><------><------><------><------>   GFP_KERNEL);
<------><------><------>if (cp->ctx_arr[i].ctx == NULL)
<------><------><------><------>return -ENOMEM;
<------><------>}
<------>}
<------>return 0;
}
 
static u16 cnic_bnx2_next_idx(u16 idx)
{
<------>return idx + 1;
}
 
static u16 cnic_bnx2_hw_idx(u16 idx)
{
<------>return idx;
}
 
static u16 cnic_bnx2x_next_idx(u16 idx)
{
<------>idx++;
<------>if ((idx & MAX_KCQE_CNT) == MAX_KCQE_CNT)
<------><------>idx++;
 
<------>return idx;
}
 
static u16 cnic_bnx2x_hw_idx(u16 idx)
{
<------>if ((idx & MAX_KCQE_CNT) == MAX_KCQE_CNT)
<------><------>idx++;
<------>return idx;
}
 
static int cnic_alloc_kcq(struct cnic_dev *dev, struct kcq_info *info,
<------><------><------>  bool use_pg_tbl)
{
<------>int err, i, use_page_tbl = 0;
<------>struct kcqe **kcq;
 
<------>if (use_pg_tbl)
<------><------>use_page_tbl = 1;
 
<------>err = cnic_alloc_dma(dev, &info->dma, KCQ_PAGE_CNT, use_page_tbl);
<------>if (err)
<------><------>return err;
 
<------>kcq = (struct kcqe **) info->dma.pg_arr;
<------>info->kcq = kcq;
 
<------>info->next_idx = cnic_bnx2_next_idx;
<------>info->hw_idx = cnic_bnx2_hw_idx;
<------>if (use_pg_tbl)
<------><------>return 0;
 
<------>info->next_idx = cnic_bnx2x_next_idx;
<------>info->hw_idx = cnic_bnx2x_hw_idx;
 
<------>for (i = 0; i < KCQ_PAGE_CNT; i++) {
<------><------>struct bnx2x_bd_chain_next *next =
<------><------><------>(struct bnx2x_bd_chain_next *) &kcq[i][MAX_KCQE_CNT];
<------><------>int j = i + 1;
 
<------><------>if (j >= KCQ_PAGE_CNT)
<------><------><------>j = 0;
<------><------>next->addr_hi = (u64) info->dma.pg_map_arr[j] >> 32;
<------><------>next->addr_lo = info->dma.pg_map_arr[j] & 0xffffffff;
<------>}
<------>return 0;
}
 
static int __cnic_alloc_uio_rings(struct cnic_uio_dev *udev, int pages)
{
<------>struct cnic_local *cp = udev->dev->cnic_priv;
 
<------>if (udev->l2_ring)
<------><------>return 0;
 
<------>udev->l2_ring_size = pages * CNIC_PAGE_SIZE;
<------>udev->l2_ring = dma_alloc_coherent(&udev->pdev->dev, udev->l2_ring_size,
<------><------><------><------><------>   &udev->l2_ring_map,
<------><------><------><------><------>   GFP_KERNEL | __GFP_COMP);
<------>if (!udev->l2_ring)
<------><------>return -ENOMEM;
 
<------>udev->l2_buf_size = (cp->l2_rx_ring_size + 1) * cp->l2_single_buf_size;
<------>udev->l2_buf_size = CNIC_PAGE_ALIGN(udev->l2_buf_size);
<------>udev->l2_buf = dma_alloc_coherent(&udev->pdev->dev, udev->l2_buf_size,
<------><------><------><------><------>  &udev->l2_buf_map,
<------><------><------><------><------>  GFP_KERNEL | __GFP_COMP);
<------>if (!udev->l2_buf) {
<------><------>__cnic_free_uio_rings(udev);
<------><------>return -ENOMEM;
<------>}
 
<------>return 0;
 
}
 
static int cnic_alloc_uio_rings(struct cnic_dev *dev, int pages)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_uio_dev *udev;
 
<------>list_for_each_entry(udev, &cnic_udev_list, list) {
<------><------>if (udev->pdev == dev->pcidev) {
<------><------><------>udev->dev = dev;
<------><------><------>if (__cnic_alloc_uio_rings(udev, pages)) {
<------><------><------><------>udev->dev = NULL;
<------><------><------><------>return -ENOMEM;
<------><------><------>}
<------><------><------>cp->udev = udev;
<------><------><------>return 0;
<------><------>}
<------>}
 
<------>udev = kzalloc(sizeof(struct cnic_uio_dev), GFP_ATOMIC);
<------>if (!udev)
<------><------>return -ENOMEM;
 
<------>udev->uio_dev = -1;
 
<------>udev->dev = dev;
<------>udev->pdev = dev->pcidev;
 
<------>if (__cnic_alloc_uio_rings(udev, pages))
<------><------>goto err_udev;
 
<------>list_add(&udev->list, &cnic_udev_list);
 
<------>pci_dev_get(udev->pdev);
 
<------>cp->udev = udev;
 
<------>return 0;
 
 err_udev:
<------>kfree(udev);
<------>return -ENOMEM;
}
 
static int cnic_init_uio(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_uio_dev *udev = cp->udev;
<------>struct uio_info *uinfo;
<------>int ret = 0;
 
<------>if (!udev)
<------><------>return -ENOMEM;
 
<------>uinfo = &udev->cnic_uinfo;
 
<------>uinfo->mem[0].addr = pci_resource_start(dev->pcidev, 0);
<------>uinfo->mem[0].internal_addr = dev->regview;
<------>uinfo->mem[0].memtype = UIO_MEM_PHYS;
 
<------>if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
<------><------>uinfo->mem[0].size = MB_GET_CID_ADDR(TX_TSS_CID +
<------><------><------><------><------><------>     TX_MAX_TSS_RINGS + 1);
<------><------>uinfo->mem[1].addr = (unsigned long) cp->status_blk.gen &
<------><------><------><------><------>CNIC_PAGE_MASK;
<------><------>if (cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
<------><------><------>uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE * 9;
<------><------>else
<------><------><------>uinfo->mem[1].size = BNX2_SBLK_MSIX_ALIGN_SIZE;
 
<------><------>uinfo->name = "bnx2_cnic";
<------>} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
<------><------>uinfo->mem[0].size = pci_resource_len(dev->pcidev, 0);
 
<------><------>uinfo->mem[1].addr = (unsigned long) cp->bnx2x_def_status_blk &
<------><------><------>CNIC_PAGE_MASK;
<------><------>uinfo->mem[1].size = sizeof(*cp->bnx2x_def_status_blk);
 
<------><------>uinfo->name = "bnx2x_cnic";
<------>}
 
<------>uinfo->mem[1].memtype = UIO_MEM_LOGICAL;
 
<------>uinfo->mem[2].addr = (unsigned long) udev->l2_ring;
<------>uinfo->mem[2].size = udev->l2_ring_size;
<------>uinfo->mem[2].memtype = UIO_MEM_LOGICAL;
 
<------>uinfo->mem[3].addr = (unsigned long) udev->l2_buf;
<------>uinfo->mem[3].size = udev->l2_buf_size;
<------>uinfo->mem[3].memtype = UIO_MEM_LOGICAL;
 
<------>uinfo->version = CNIC_MODULE_VERSION;
<------>uinfo->irq = UIO_IRQ_CUSTOM;
 
<------>uinfo->open = cnic_uio_open;
<------>uinfo->release = cnic_uio_close;
 
<------>if (udev->uio_dev == -1) {
<------><------>if (!uinfo->priv) {
<------><------><------>uinfo->priv = udev;
 
<------><------><------>ret = uio_register_device(&udev->pdev->dev, uinfo);
<------><------>}
<------>} else {
<------><------>cnic_init_rings(dev);
<------>}
 
<------>return ret;
}
 
static int cnic_alloc_bnx2_resc(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int ret;
 
<------>ret = cnic_alloc_dma(dev, &cp->kwq_info, KWQ_PAGE_CNT, 1);
<------>if (ret)
<------><------>goto error;
<------>cp->kwq = (struct kwqe **) cp->kwq_info.pg_arr;
 
<------>ret = cnic_alloc_kcq(dev, &cp->kcq1, true);
<------>if (ret)
<------><------>goto error;
 
<------>ret = cnic_alloc_context(dev);
<------>if (ret)
<------><------>goto error;
 
<------>ret = cnic_alloc_uio_rings(dev, 2);
<------>if (ret)
<------><------>goto error;
 
<------>ret = cnic_init_uio(dev);
<------>if (ret)
<------><------>goto error;
 
<------>return 0;
 
error:
<------>cnic_free_resc(dev);
<------>return ret;
}
 
static int cnic_alloc_bnx2x_context(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>int ctx_blk_size = cp->ethdev->ctx_blk_size;
<------>int total_mem, blks, i;
 
<------>total_mem = BNX2X_CONTEXT_MEM_SIZE * cp->max_cid_space;
<------>blks = total_mem / ctx_blk_size;
<------>if (total_mem % ctx_blk_size)
<------><------>blks++;
 
<------>if (blks > cp->ethdev->ctx_tbl_len)
<------><------>return -ENOMEM;
 
<------>cp->ctx_arr = kcalloc(blks, sizeof(struct cnic_ctx), GFP_KERNEL);
<------>if (cp->ctx_arr == NULL)
<------><------>return -ENOMEM;
 
<------>cp->ctx_blks = blks;
<------>cp->ctx_blk_size = ctx_blk_size;
<------>if (!CHIP_IS_E1(bp))
<------><------>cp->ctx_align = 0;
<------>else
<------><------>cp->ctx_align = ctx_blk_size;
 
<------>cp->cids_per_blk = ctx_blk_size / BNX2X_CONTEXT_MEM_SIZE;
 
<------>for (i = 0; i < blks; i++) {
<------><------>cp->ctx_arr[i].ctx =
<------><------><------>dma_alloc_coherent(&dev->pcidev->dev, cp->ctx_blk_size,
<------><------><------><------><------>   &cp->ctx_arr[i].mapping,
<------><------><------><------><------>   GFP_KERNEL);
<------><------>if (cp->ctx_arr[i].ctx == NULL)
<------><------><------>return -ENOMEM;
 
<------><------>if (cp->ctx_align && cp->ctx_blk_size == ctx_blk_size) {
<------><------><------>if (cp->ctx_arr[i].mapping & (cp->ctx_align - 1)) {
<------><------><------><------>cnic_free_context(dev);
<------><------><------><------>cp->ctx_blk_size += cp->ctx_align;
<------><------><------><------>i = -1;
<------><------><------><------>continue;
<------><------><------>}
<------><------>}
<------>}
<------>return 0;
}
 
static int cnic_alloc_bnx2x_resc(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>u32 start_cid = ethdev->starting_cid;
<------>int i, j, n, ret, pages;
<------>struct cnic_dma *kwq_16_dma = &cp->kwq_16_data_info;
 
<------>cp->max_cid_space = MAX_ISCSI_TBL_SZ;
<------>cp->iscsi_start_cid = start_cid;
<------>cp->fcoe_start_cid = start_cid + MAX_ISCSI_TBL_SZ;
 
<------>if (BNX2X_CHIP_IS_E2_PLUS(bp)) {
<------><------>cp->max_cid_space += dev->max_fcoe_conn;
<------><------>cp->fcoe_init_cid = ethdev->fcoe_init_cid;
<------><------>if (!cp->fcoe_init_cid)
<------><------><------>cp->fcoe_init_cid = 0x10;
<------>}
 
<------>cp->iscsi_tbl = kcalloc(MAX_ISCSI_TBL_SZ, sizeof(struct cnic_iscsi),
<------><------><------><------>GFP_KERNEL);
<------>if (!cp->iscsi_tbl)
<------><------>goto error;
 
<------>cp->ctx_tbl = kcalloc(cp->max_cid_space, sizeof(struct cnic_context),
<------><------><------>      GFP_KERNEL);
<------>if (!cp->ctx_tbl)
<------><------>goto error;
 
<------>for (i = 0; i < MAX_ISCSI_TBL_SZ; i++) {
<------><------>cp->ctx_tbl[i].proto.iscsi = &cp->iscsi_tbl[i];
<------><------>cp->ctx_tbl[i].ulp_proto_id = CNIC_ULP_ISCSI;
<------>}
 
<------>for (i = MAX_ISCSI_TBL_SZ; i < cp->max_cid_space; i++)
<------><------>cp->ctx_tbl[i].ulp_proto_id = CNIC_ULP_FCOE;
 
<------>pages = CNIC_PAGE_ALIGN(cp->max_cid_space * CNIC_KWQ16_DATA_SIZE) /
<------><------>CNIC_PAGE_SIZE;
 
<------>ret = cnic_alloc_dma(dev, kwq_16_dma, pages, 0);
<------>if (ret)
<------><------>goto error;
 
<------>n = CNIC_PAGE_SIZE / CNIC_KWQ16_DATA_SIZE;
<------>for (i = 0, j = 0; i < cp->max_cid_space; i++) {
<------><------>long off = CNIC_KWQ16_DATA_SIZE * (i % n);
 
<------><------>cp->ctx_tbl[i].kwqe_data = kwq_16_dma->pg_arr[j] + off;
<------><------>cp->ctx_tbl[i].kwqe_data_mapping = kwq_16_dma->pg_map_arr[j] +
<------><------><------><------><------><------>   off;
 
<------><------>if ((i % n) == (n - 1))
<------><------><------>j++;
<------>}
 
<------>ret = cnic_alloc_kcq(dev, &cp->kcq1, false);
<------>if (ret)
<------><------>goto error;
 
<------>if (CNIC_SUPPORTS_FCOE(bp)) {
<------><------>ret = cnic_alloc_kcq(dev, &cp->kcq2, true);
<------><------>if (ret)
<------><------><------>goto error;
<------>}
 
<------>pages = CNIC_PAGE_ALIGN(BNX2X_ISCSI_GLB_BUF_SIZE) / CNIC_PAGE_SIZE;
<------>ret = cnic_alloc_dma(dev, &cp->gbl_buf_info, pages, 0);
<------>if (ret)
<------><------>goto error;
 
<------>ret = cnic_alloc_bnx2x_context(dev);
<------>if (ret)
<------><------>goto error;
 
<------>if (cp->ethdev->drv_state & CNIC_DRV_STATE_NO_ISCSI)
<------><------>return 0;
 
<------>cp->bnx2x_def_status_blk = cp->ethdev->irq_arr[1].status_blk;
 
<------>cp->l2_rx_ring_size = 15;
 
<------>ret = cnic_alloc_uio_rings(dev, 4);
<------>if (ret)
<------><------>goto error;
 
<------>ret = cnic_init_uio(dev);
<------>if (ret)
<------><------>goto error;
 
<------>return 0;
 
error:
<------>cnic_free_resc(dev);
<------>return -ENOMEM;
}
 
static inline u32 cnic_kwq_avail(struct cnic_local *cp)
{
<------>return cp->max_kwq_idx -
<------><------>((cp->kwq_prod_idx - cp->kwq_con_idx) & cp->max_kwq_idx);
}
 
static int cnic_submit_bnx2_kwqes(struct cnic_dev *dev, struct kwqe *wqes[],
<------><------><------><------>  u32 num_wqes)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct kwqe *prod_qe;
<------>u16 prod, sw_prod, i;
 
<------>if (!test_bit(CNIC_F_CNIC_UP, &dev->flags))
<------><------>return -EAGAIN;		/* bnx2 is down */
 
<------>spin_lock_bh(&cp->cnic_ulp_lock);
<------>if (num_wqes > cnic_kwq_avail(cp) &&
<------>    !test_bit(CNIC_LCL_FL_KWQ_INIT, &cp->cnic_local_flags)) {
<------><------>spin_unlock_bh(&cp->cnic_ulp_lock);
<------><------>return -EAGAIN;
<------>}
 
<------>clear_bit(CNIC_LCL_FL_KWQ_INIT, &cp->cnic_local_flags);
 
<------>prod = cp->kwq_prod_idx;
<------>sw_prod = prod & MAX_KWQ_IDX;
<------>for (i = 0; i < num_wqes; i++) {
<------><------>prod_qe = &cp->kwq[KWQ_PG(sw_prod)][KWQ_IDX(sw_prod)];
<------><------>memcpy(prod_qe, wqes[i], sizeof(struct kwqe));
<------><------>prod++;
<------><------>sw_prod = prod & MAX_KWQ_IDX;
<------>}
<------>cp->kwq_prod_idx = prod;
 
<------>CNIC_WR16(dev, cp->kwq_io_addr, cp->kwq_prod_idx);
 
<------>spin_unlock_bh(&cp->cnic_ulp_lock);
<------>return 0;
}
 
static void *cnic_get_kwqe_16_data(struct cnic_local *cp, u32 l5_cid,
<------><------><------><------>   union l5cm_specific_data *l5_data)
{
<------>struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
<------>dma_addr_t map;
 
<------>map = ctx->kwqe_data_mapping;
<------>l5_data->phy_address.lo = (u64) map & 0xffffffff;
<------>l5_data->phy_address.hi = (u64) map >> 32;
<------>return ctx->kwqe_data;
}
 
static int cnic_submit_kwqe_16(struct cnic_dev *dev, u32 cmd, u32 cid,
<------><------><------><------>u32 type, union l5cm_specific_data *l5_data)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct l5cm_spe kwqe;
<------>struct kwqe_16 *kwq[1];
<------>u16 type_16;
<------>int ret;
 
<------>kwqe.hdr.conn_and_cmd_data =
<------><------>cpu_to_le32(((cmd << SPE_HDR_CMD_ID_SHIFT) |
<------><------><------>     BNX2X_HW_CID(bp, cid)));
 
<------>type_16 = (type << SPE_HDR_CONN_TYPE_SHIFT) & SPE_HDR_CONN_TYPE;
<------>type_16 |= (bp->pfid << SPE_HDR_FUNCTION_ID_SHIFT) &
<------><------>   SPE_HDR_FUNCTION_ID;
 
<------>kwqe.hdr.type = cpu_to_le16(type_16);
<------>kwqe.hdr.reserved1 = 0;
<------>kwqe.data.phy_address.lo = cpu_to_le32(l5_data->phy_address.lo);
<------>kwqe.data.phy_address.hi = cpu_to_le32(l5_data->phy_address.hi);
 
<------>kwq[0] = (struct kwqe_16 *) &kwqe;
 
<------>spin_lock_bh(&cp->cnic_ulp_lock);
<------>ret = cp->ethdev->drv_submit_kwqes_16(dev->netdev, kwq, 1);
<------>spin_unlock_bh(&cp->cnic_ulp_lock);
 
<------>if (ret == 1)
<------><------>return 0;
 
<------>return ret;
}
 
static void cnic_reply_bnx2x_kcqes(struct cnic_dev *dev, int ulp_type,
<------><------><------><------>   struct kcqe *cqes[], u32 num_cqes)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_ulp_ops *ulp_ops;
 
<------>rcu_read_lock();
<------>ulp_ops = rcu_dereference(cp->ulp_ops[ulp_type]);
<------>if (likely(ulp_ops)) {
<------><------>ulp_ops->indicate_kcqes(cp->ulp_handle[ulp_type],
<------><------><------><------><------>  cqes, num_cqes);
<------>}
<------>rcu_read_unlock();
}
 
static void cnic_bnx2x_set_tcp_options(struct cnic_dev *dev, int time_stamps,
<------><------><------><------>       int en_tcp_dack)
{
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u8 xstorm_flags = XSTORM_L5CM_TCP_FLAGS_WND_SCL_EN;
<------>u16 tstorm_flags = 0;
 
<------>if (time_stamps) {
<------><------>xstorm_flags |= XSTORM_L5CM_TCP_FLAGS_TS_ENABLED;
<------><------>tstorm_flags |= TSTORM_L5CM_TCP_FLAGS_TS_ENABLED;
<------>}
<------>if (en_tcp_dack)
<------><------>tstorm_flags |= TSTORM_L5CM_TCP_FLAGS_DELAYED_ACK_EN;
 
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(bp->pfid), xstorm_flags);
 
<------>CNIC_WR16(dev, BAR_TSTRORM_INTMEM +
<------><------>  TSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(bp->pfid), tstorm_flags);
}
 
static int cnic_bnx2x_iscsi_init1(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct iscsi_kwqe_init1 *req1 = (struct iscsi_kwqe_init1 *) kwqe;
<------>int hq_bds, pages;
<------>u32 pfid = bp->pfid;
 
<------>cp->num_iscsi_tasks = req1->num_tasks_per_conn;
<------>cp->num_ccells = req1->num_ccells_per_conn;
<------>cp->task_array_size = BNX2X_ISCSI_TASK_CONTEXT_SIZE *
<------><------><------>      cp->num_iscsi_tasks;
<------>cp->r2tq_size = cp->num_iscsi_tasks * BNX2X_ISCSI_MAX_PENDING_R2TS *
<------><------><------>BNX2X_ISCSI_R2TQE_SIZE;
<------>cp->hq_size = cp->num_ccells * BNX2X_ISCSI_HQ_BD_SIZE;
<------>pages = CNIC_PAGE_ALIGN(cp->hq_size) / CNIC_PAGE_SIZE;
<------>hq_bds = pages * (CNIC_PAGE_SIZE / BNX2X_ISCSI_HQ_BD_SIZE);
<------>cp->num_cqs = req1->num_cqs;
 
<------>if (!dev->max_iscsi_conn)
<------><------>return 0;
 
<------>/* init Tstorm RAM */
<------>CNIC_WR16(dev, BAR_TSTRORM_INTMEM + TSTORM_ISCSI_RQ_SIZE_OFFSET(pfid),
<------><------>  req1->rq_num_wqes);
<------>CNIC_WR16(dev, BAR_TSTRORM_INTMEM + TSTORM_ISCSI_PAGE_SIZE_OFFSET(pfid),
<------><------>  CNIC_PAGE_SIZE);
<------>CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
<------><------> TSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfid), CNIC_PAGE_BITS);
<------>CNIC_WR16(dev, BAR_TSTRORM_INTMEM +
<------><------>  TSTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfid),
<------><------>  req1->num_tasks_per_conn);
 
<------>/* init Ustorm RAM */
<------>CNIC_WR16(dev, BAR_USTRORM_INTMEM +
<------><------>  USTORM_ISCSI_RQ_BUFFER_SIZE_OFFSET(pfid),
<------><------>  req1->rq_buffer_size);
<------>CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_PAGE_SIZE_OFFSET(pfid),
<------><------>  CNIC_PAGE_SIZE);
<------>CNIC_WR8(dev, BAR_USTRORM_INTMEM +
<------><------> USTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfid), CNIC_PAGE_BITS);
<------>CNIC_WR16(dev, BAR_USTRORM_INTMEM +
<------><------>  USTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfid),
<------><------>  req1->num_tasks_per_conn);
<------>CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_RQ_SIZE_OFFSET(pfid),
<------><------>  req1->rq_num_wqes);
<------>CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_CQ_SIZE_OFFSET(pfid),
<------><------>  req1->cq_num_wqes);
<------>CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_R2TQ_SIZE_OFFSET(pfid),
<------><------>  cp->num_iscsi_tasks * BNX2X_ISCSI_MAX_PENDING_R2TS);
 
<------>/* init Xstorm RAM */
<------>CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_PAGE_SIZE_OFFSET(pfid),
<------><------>  CNIC_PAGE_SIZE);
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfid), CNIC_PAGE_BITS);
<------>CNIC_WR16(dev, BAR_XSTRORM_INTMEM +
<------><------>  XSTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfid),
<------><------>  req1->num_tasks_per_conn);
<------>CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_HQ_SIZE_OFFSET(pfid),
<------><------>  hq_bds);
<------>CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_SQ_SIZE_OFFSET(pfid),
<------><------>  req1->num_tasks_per_conn);
<------>CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_R2TQ_SIZE_OFFSET(pfid),
<------><------>  cp->num_iscsi_tasks * BNX2X_ISCSI_MAX_PENDING_R2TS);
 
<------>/* init Cstorm RAM */
<------>CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_ISCSI_PAGE_SIZE_OFFSET(pfid),
<------><------>  CNIC_PAGE_SIZE);
<------>CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
<------><------> CSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(pfid), CNIC_PAGE_BITS);
<------>CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
<------><------>  CSTORM_ISCSI_NUM_OF_TASKS_OFFSET(pfid),
<------><------>  req1->num_tasks_per_conn);
<------>CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_ISCSI_CQ_SIZE_OFFSET(pfid),
<------><------>  req1->cq_num_wqes);
<------>CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_ISCSI_HQ_SIZE_OFFSET(pfid),
<------><------>  hq_bds);
 
<------>cnic_bnx2x_set_tcp_options(dev,
<------><------><------>req1->flags & ISCSI_KWQE_INIT1_TIME_STAMPS_ENABLE,
<------><------><------>req1->flags & ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE);
 
<------>return 0;
}
 
static int cnic_bnx2x_iscsi_init2(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct iscsi_kwqe_init2 *req2 = (struct iscsi_kwqe_init2 *) kwqe;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u32 pfid = bp->pfid;
<------>struct iscsi_kcqe kcqe;
<------>struct kcqe *cqes[1];
 
<------>memset(&kcqe, 0, sizeof(kcqe));
<------>if (!dev->max_iscsi_conn) {
<------><------>kcqe.completion_status =
<------><------><------>ISCSI_KCQE_COMPLETION_STATUS_ISCSI_NOT_SUPPORTED;
<------><------>goto done;
<------>}
 
<------>CNIC_WR(dev, BAR_TSTRORM_INTMEM +
<------><------>TSTORM_ISCSI_ERROR_BITMAP_OFFSET(pfid), req2->error_bit_map[0]);
<------>CNIC_WR(dev, BAR_TSTRORM_INTMEM +
<------><------>TSTORM_ISCSI_ERROR_BITMAP_OFFSET(pfid) + 4,
<------><------>req2->error_bit_map[1]);
 
<------>CNIC_WR16(dev, BAR_USTRORM_INTMEM +
<------><------>  USTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfid), req2->max_cq_sqn);
<------>CNIC_WR(dev, BAR_USTRORM_INTMEM +
<------><------>USTORM_ISCSI_ERROR_BITMAP_OFFSET(pfid), req2->error_bit_map[0]);
<------>CNIC_WR(dev, BAR_USTRORM_INTMEM +
<------><------>USTORM_ISCSI_ERROR_BITMAP_OFFSET(pfid) + 4,
<------><------>req2->error_bit_map[1]);
 
<------>CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
<------><------>  CSTORM_ISCSI_CQ_SQN_SIZE_OFFSET(pfid), req2->max_cq_sqn);
 
<------>kcqe.completion_status = ISCSI_KCQE_COMPLETION_STATUS_SUCCESS;
 
done:
<------>kcqe.op_code = ISCSI_KCQE_OPCODE_INIT;
<------>cqes[0] = (struct kcqe *) &kcqe;
<------>cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_ISCSI, cqes, 1);
 
<------>return 0;
}
 
static void cnic_free_bnx2x_conn_resc(struct cnic_dev *dev, u32 l5_cid)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
 
<------>if (ctx->ulp_proto_id == CNIC_ULP_ISCSI) {
<------><------>struct cnic_iscsi *iscsi = ctx->proto.iscsi;
 
<------><------>cnic_free_dma(dev, &iscsi->hq_info);
<------><------>cnic_free_dma(dev, &iscsi->r2tq_info);
<------><------>cnic_free_dma(dev, &iscsi->task_array_info);
<------><------>cnic_free_id(&cp->cid_tbl, ctx->cid);
<------>} else {
<------><------>cnic_free_id(&cp->fcoe_cid_tbl, ctx->cid);
<------>}
 
<------>ctx->cid = 0;
}
 
static int cnic_alloc_bnx2x_conn_resc(struct cnic_dev *dev, u32 l5_cid)
{
<------>u32 cid;
<------>int ret, pages;
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
<------>struct cnic_iscsi *iscsi = ctx->proto.iscsi;
 
<------>if (ctx->ulp_proto_id == CNIC_ULP_FCOE) {
<------><------>cid = cnic_alloc_new_id(&cp->fcoe_cid_tbl);
<------><------>if (cid == -1) {
<------><------><------>ret = -ENOMEM;
<------><------><------>goto error;
<------><------>}
<------><------>ctx->cid = cid;
<------><------>return 0;
<------>}
 
<------>cid = cnic_alloc_new_id(&cp->cid_tbl);
<------>if (cid == -1) {
<------><------>ret = -ENOMEM;
<------><------>goto error;
<------>}
 
<------>ctx->cid = cid;
<------>pages = CNIC_PAGE_ALIGN(cp->task_array_size) / CNIC_PAGE_SIZE;
 
<------>ret = cnic_alloc_dma(dev, &iscsi->task_array_info, pages, 1);
<------>if (ret)
<------><------>goto error;
 
<------>pages = CNIC_PAGE_ALIGN(cp->r2tq_size) / CNIC_PAGE_SIZE;
<------>ret = cnic_alloc_dma(dev, &iscsi->r2tq_info, pages, 1);
<------>if (ret)
<------><------>goto error;
 
<------>pages = CNIC_PAGE_ALIGN(cp->hq_size) / CNIC_PAGE_SIZE;
<------>ret = cnic_alloc_dma(dev, &iscsi->hq_info, pages, 1);
<------>if (ret)
<------><------>goto error;
 
<------>return 0;
 
error:
<------>cnic_free_bnx2x_conn_resc(dev, l5_cid);
<------>return ret;
}
 
static void *cnic_get_bnx2x_ctx(struct cnic_dev *dev, u32 cid, int init,
<------><------><------><------>struct regpair *ctx_addr)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>int blk = (cid - ethdev->starting_cid) / cp->cids_per_blk;
<------>int off = (cid - ethdev->starting_cid) % cp->cids_per_blk;
<------>unsigned long align_off = 0;
<------>dma_addr_t ctx_map;
<------>void *ctx;
 
<------>if (cp->ctx_align) {
<------><------>unsigned long mask = cp->ctx_align - 1;
 
<------><------>if (cp->ctx_arr[blk].mapping & mask)
<------><------><------>align_off = cp->ctx_align -
<------><------><------><------>    (cp->ctx_arr[blk].mapping & mask);
<------>}
<------>ctx_map = cp->ctx_arr[blk].mapping + align_off +
<------><------>(off * BNX2X_CONTEXT_MEM_SIZE);
<------>ctx = cp->ctx_arr[blk].ctx + align_off +
<------>      (off * BNX2X_CONTEXT_MEM_SIZE);
<------>if (init)
<------><------>memset(ctx, 0, BNX2X_CONTEXT_MEM_SIZE);
 
<------>ctx_addr->lo = ctx_map & 0xffffffff;
<------>ctx_addr->hi = (u64) ctx_map >> 32;
<------>return ctx;
}
 
static int cnic_setup_bnx2x_ctx(struct cnic_dev *dev, struct kwqe *wqes[],
<------><------><------><------>u32 num)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct iscsi_kwqe_conn_offload1 *req1 =
<------><------><------>(struct iscsi_kwqe_conn_offload1 *) wqes[0];
<------>struct iscsi_kwqe_conn_offload2 *req2 =
<------><------><------>(struct iscsi_kwqe_conn_offload2 *) wqes[1];
<------>struct iscsi_kwqe_conn_offload3 *req3;
<------>struct cnic_context *ctx = &cp->ctx_tbl[req1->iscsi_conn_id];
<------>struct cnic_iscsi *iscsi = ctx->proto.iscsi;
<------>u32 cid = ctx->cid;
<------>u32 hw_cid = BNX2X_HW_CID(bp, cid);
<------>struct iscsi_context *ictx;
<------>struct regpair context_addr;
<------>int i, j, n = 2, n_max;
<------>u8 port = BP_PORT(bp);
 
<------>ctx->ctx_flags = 0;
<------>if (!req2->num_additional_wqes)
<------><------>return -EINVAL;
 
<------>n_max = req2->num_additional_wqes + 2;
 
<------>ictx = cnic_get_bnx2x_ctx(dev, cid, 1, &context_addr);
<------>if (ictx == NULL)
<------><------>return -ENOMEM;
 
<------>req3 = (struct iscsi_kwqe_conn_offload3 *) wqes[n++];
 
<------>ictx->xstorm_ag_context.hq_prod = 1;
 
<------>ictx->xstorm_st_context.iscsi.first_burst_length =
<------><------>ISCSI_DEF_FIRST_BURST_LEN;
<------>ictx->xstorm_st_context.iscsi.max_send_pdu_length =
<------><------>ISCSI_DEF_MAX_RECV_SEG_LEN;
<------>ictx->xstorm_st_context.iscsi.sq_pbl_base.lo =
<------><------>req1->sq_page_table_addr_lo;
<------>ictx->xstorm_st_context.iscsi.sq_pbl_base.hi =
<------><------>req1->sq_page_table_addr_hi;
<------>ictx->xstorm_st_context.iscsi.sq_curr_pbe.lo = req2->sq_first_pte.hi;
<------>ictx->xstorm_st_context.iscsi.sq_curr_pbe.hi = req2->sq_first_pte.lo;
<------>ictx->xstorm_st_context.iscsi.hq_pbl_base.lo =
<------><------>iscsi->hq_info.pgtbl_map & 0xffffffff;
<------>ictx->xstorm_st_context.iscsi.hq_pbl_base.hi =
<------><------>(u64) iscsi->hq_info.pgtbl_map >> 32;
<------>ictx->xstorm_st_context.iscsi.hq_curr_pbe_base.lo =
<------><------>iscsi->hq_info.pgtbl[0];
<------>ictx->xstorm_st_context.iscsi.hq_curr_pbe_base.hi =
<------><------>iscsi->hq_info.pgtbl[1];
<------>ictx->xstorm_st_context.iscsi.r2tq_pbl_base.lo =
<------><------>iscsi->r2tq_info.pgtbl_map & 0xffffffff;
<------>ictx->xstorm_st_context.iscsi.r2tq_pbl_base.hi =
<------><------>(u64) iscsi->r2tq_info.pgtbl_map >> 32;
<------>ictx->xstorm_st_context.iscsi.r2tq_curr_pbe_base.lo =
<------><------>iscsi->r2tq_info.pgtbl[0];
<------>ictx->xstorm_st_context.iscsi.r2tq_curr_pbe_base.hi =
<------><------>iscsi->r2tq_info.pgtbl[1];
<------>ictx->xstorm_st_context.iscsi.task_pbl_base.lo =
<------><------>iscsi->task_array_info.pgtbl_map & 0xffffffff;
<------>ictx->xstorm_st_context.iscsi.task_pbl_base.hi =
<------><------>(u64) iscsi->task_array_info.pgtbl_map >> 32;
<------>ictx->xstorm_st_context.iscsi.task_pbl_cache_idx =
<------><------>BNX2X_ISCSI_PBL_NOT_CACHED;
<------>ictx->xstorm_st_context.iscsi.flags.flags |=
<------><------>XSTORM_ISCSI_CONTEXT_FLAGS_B_IMMEDIATE_DATA;
<------>ictx->xstorm_st_context.iscsi.flags.flags |=
<------><------>XSTORM_ISCSI_CONTEXT_FLAGS_B_INITIAL_R2T;
<------>ictx->xstorm_st_context.common.ethernet.reserved_vlan_type =
<------><------>ETH_P_8021Q;
<------>if (BNX2X_CHIP_IS_E2_PLUS(bp) &&
<------>    bp->common.chip_port_mode == CHIP_2_PORT_MODE) {
 
<------><------>port = 0;
<------>}
<------>ictx->xstorm_st_context.common.flags =
<------><------>1 << XSTORM_COMMON_CONTEXT_SECTION_PHYSQ_INITIALIZED_SHIFT;
<------>ictx->xstorm_st_context.common.flags =
<------><------>port << XSTORM_COMMON_CONTEXT_SECTION_PBF_PORT_SHIFT;
 
<------>ictx->tstorm_st_context.iscsi.hdr_bytes_2_fetch = ISCSI_HEADER_SIZE;
<------>/* TSTORM requires the base address of RQ DB & not PTE */
<------>ictx->tstorm_st_context.iscsi.rq_db_phy_addr.lo =
<------><------>req2->rq_page_table_addr_lo & CNIC_PAGE_MASK;
<------>ictx->tstorm_st_context.iscsi.rq_db_phy_addr.hi =
<------><------>req2->rq_page_table_addr_hi;
<------>ictx->tstorm_st_context.iscsi.iscsi_conn_id = req1->iscsi_conn_id;
<------>ictx->tstorm_st_context.tcp.cwnd = 0x5A8;
<------>ictx->tstorm_st_context.tcp.flags2 |=
<------><------>TSTORM_TCP_ST_CONTEXT_SECTION_DA_EN;
<------>ictx->tstorm_st_context.tcp.ooo_support_mode =
<------><------>TCP_TSTORM_OOO_DROP_AND_PROC_ACK;
 
<------>ictx->timers_context.flags |= TIMERS_BLOCK_CONTEXT_CONN_VALID_FLG;
 
<------>ictx->ustorm_st_context.ring.rq.pbl_base.lo =
<------><------>req2->rq_page_table_addr_lo;
<------>ictx->ustorm_st_context.ring.rq.pbl_base.hi =
<------><------>req2->rq_page_table_addr_hi;
<------>ictx->ustorm_st_context.ring.rq.curr_pbe.lo = req3->qp_first_pte[0].hi;
<------>ictx->ustorm_st_context.ring.rq.curr_pbe.hi = req3->qp_first_pte[0].lo;
<------>ictx->ustorm_st_context.ring.r2tq.pbl_base.lo =
<------><------>iscsi->r2tq_info.pgtbl_map & 0xffffffff;
<------>ictx->ustorm_st_context.ring.r2tq.pbl_base.hi =
<------><------>(u64) iscsi->r2tq_info.pgtbl_map >> 32;
<------>ictx->ustorm_st_context.ring.r2tq.curr_pbe.lo =
<------><------>iscsi->r2tq_info.pgtbl[0];
<------>ictx->ustorm_st_context.ring.r2tq.curr_pbe.hi =
<------><------>iscsi->r2tq_info.pgtbl[1];
<------>ictx->ustorm_st_context.ring.cq_pbl_base.lo =
<------><------>req1->cq_page_table_addr_lo;
<------>ictx->ustorm_st_context.ring.cq_pbl_base.hi =
<------><------>req1->cq_page_table_addr_hi;
<------>ictx->ustorm_st_context.ring.cq[0].cq_sn = ISCSI_INITIAL_SN;
<------>ictx->ustorm_st_context.ring.cq[0].curr_pbe.lo = req2->cq_first_pte.hi;
<------>ictx->ustorm_st_context.ring.cq[0].curr_pbe.hi = req2->cq_first_pte.lo;
<------>ictx->ustorm_st_context.task_pbe_cache_index =
<------><------>BNX2X_ISCSI_PBL_NOT_CACHED;
<------>ictx->ustorm_st_context.task_pdu_cache_index =
<------><------>BNX2X_ISCSI_PDU_HEADER_NOT_CACHED;
 
<------>for (i = 1, j = 1; i < cp->num_cqs; i++, j++) {
<------><------>if (j == 3) {
<------><------><------>if (n >= n_max)
<------><------><------><------>break;
<------><------><------>req3 = (struct iscsi_kwqe_conn_offload3 *) wqes[n++];
<------><------><------>j = 0;
<------><------>}
<------><------>ictx->ustorm_st_context.ring.cq[i].cq_sn = ISCSI_INITIAL_SN;
<------><------>ictx->ustorm_st_context.ring.cq[i].curr_pbe.lo =
<------><------><------>req3->qp_first_pte[j].hi;
<------><------>ictx->ustorm_st_context.ring.cq[i].curr_pbe.hi =
<------><------><------>req3->qp_first_pte[j].lo;
<------>}
 
<------>ictx->ustorm_st_context.task_pbl_base.lo =
<------><------>iscsi->task_array_info.pgtbl_map & 0xffffffff;
<------>ictx->ustorm_st_context.task_pbl_base.hi =
<------><------>(u64) iscsi->task_array_info.pgtbl_map >> 32;
<------>ictx->ustorm_st_context.tce_phy_addr.lo =
<------><------>iscsi->task_array_info.pgtbl[0];
<------>ictx->ustorm_st_context.tce_phy_addr.hi =
<------><------>iscsi->task_array_info.pgtbl[1];
<------>ictx->ustorm_st_context.iscsi_conn_id = req1->iscsi_conn_id;
<------>ictx->ustorm_st_context.num_cqs = cp->num_cqs;
<------>ictx->ustorm_st_context.negotiated_rx |= ISCSI_DEF_MAX_RECV_SEG_LEN;
<------>ictx->ustorm_st_context.negotiated_rx_and_flags |=
<------><------>ISCSI_DEF_MAX_BURST_LEN;
<------>ictx->ustorm_st_context.negotiated_rx |=
<------><------>ISCSI_DEFAULT_MAX_OUTSTANDING_R2T <<
<------><------>USTORM_ISCSI_ST_CONTEXT_MAX_OUTSTANDING_R2TS_SHIFT;
 
<------>ictx->cstorm_st_context.hq_pbl_base.lo =
<------><------>iscsi->hq_info.pgtbl_map & 0xffffffff;
<------>ictx->cstorm_st_context.hq_pbl_base.hi =
<------><------>(u64) iscsi->hq_info.pgtbl_map >> 32;
<------>ictx->cstorm_st_context.hq_curr_pbe.lo = iscsi->hq_info.pgtbl[0];
<------>ictx->cstorm_st_context.hq_curr_pbe.hi = iscsi->hq_info.pgtbl[1];
<------>ictx->cstorm_st_context.task_pbl_base.lo =
<------><------>iscsi->task_array_info.pgtbl_map & 0xffffffff;
<------>ictx->cstorm_st_context.task_pbl_base.hi =
<------><------>(u64) iscsi->task_array_info.pgtbl_map >> 32;
<------>/* CSTORM and USTORM initialization is different, CSTORM requires
<------> * CQ DB base & not PTE addr */
<------>ictx->cstorm_st_context.cq_db_base.lo =
<------><------>req1->cq_page_table_addr_lo & CNIC_PAGE_MASK;
<------>ictx->cstorm_st_context.cq_db_base.hi = req1->cq_page_table_addr_hi;
<------>ictx->cstorm_st_context.iscsi_conn_id = req1->iscsi_conn_id;
<------>ictx->cstorm_st_context.cq_proc_en_bit_map = (1 << cp->num_cqs) - 1;
<------>for (i = 0; i < cp->num_cqs; i++) {
<------><------>ictx->cstorm_st_context.cq_c_prod_sqn_arr.sqn[i] =
<------><------><------>ISCSI_INITIAL_SN;
<------><------>ictx->cstorm_st_context.cq_c_sqn_2_notify_arr.sqn[i] =
<------><------><------>ISCSI_INITIAL_SN;
<------>}
 
<------>ictx->xstorm_ag_context.cdu_reserved =
<------><------>CDU_RSRVD_VALUE_TYPE_A(hw_cid, CDU_REGION_NUMBER_XCM_AG,
<------><------><------><------>       ISCSI_CONNECTION_TYPE);
<------>ictx->ustorm_ag_context.cdu_usage =
<------><------>CDU_RSRVD_VALUE_TYPE_A(hw_cid, CDU_REGION_NUMBER_UCM_AG,
<------><------><------><------>       ISCSI_CONNECTION_TYPE);
<------>return 0;
 
}
 
static int cnic_bnx2x_iscsi_ofld1(struct cnic_dev *dev, struct kwqe *wqes[],
<------><------><------><------>   u32 num, int *work)
{
<------>struct iscsi_kwqe_conn_offload1 *req1;
<------>struct iscsi_kwqe_conn_offload2 *req2;
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct cnic_context *ctx;
<------>struct iscsi_kcqe kcqe;
<------>struct kcqe *cqes[1];
<------>u32 l5_cid;
<------>int ret = 0;
 
<------>if (num < 2) {
<------><------>*work = num;
<------><------>return -EINVAL;
<------>}
 
<------>req1 = (struct iscsi_kwqe_conn_offload1 *) wqes[0];
<------>req2 = (struct iscsi_kwqe_conn_offload2 *) wqes[1];
<------>if ((num - 2) < req2->num_additional_wqes) {
<------><------>*work = num;
<------><------>return -EINVAL;
<------>}
<------>*work = 2 + req2->num_additional_wqes;
 
<------>l5_cid = req1->iscsi_conn_id;
<------>if (l5_cid >= MAX_ISCSI_TBL_SZ)
<------><------>return -EINVAL;
 
<------>memset(&kcqe, 0, sizeof(kcqe));
<------>kcqe.op_code = ISCSI_KCQE_OPCODE_OFFLOAD_CONN;
<------>kcqe.iscsi_conn_id = l5_cid;
<------>kcqe.completion_status = ISCSI_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE;
 
<------>ctx = &cp->ctx_tbl[l5_cid];
<------>if (test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags)) {
<------><------>kcqe.completion_status =
<------><------><------>ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY;
<------><------>goto done;
<------>}
 
<------>if (atomic_inc_return(&cp->iscsi_conn) > dev->max_iscsi_conn) {
<------><------>atomic_dec(&cp->iscsi_conn);
<------><------>goto done;
<------>}
<------>ret = cnic_alloc_bnx2x_conn_resc(dev, l5_cid);
<------>if (ret) {
<------><------>atomic_dec(&cp->iscsi_conn);
<------><------>goto done;
<------>}
<------>ret = cnic_setup_bnx2x_ctx(dev, wqes, num);
<------>if (ret < 0) {
<------><------>cnic_free_bnx2x_conn_resc(dev, l5_cid);
<------><------>atomic_dec(&cp->iscsi_conn);
<------><------>goto done;
<------>}
 
<------>kcqe.completion_status = ISCSI_KCQE_COMPLETION_STATUS_SUCCESS;
<------>kcqe.iscsi_conn_context_id = BNX2X_HW_CID(bp, cp->ctx_tbl[l5_cid].cid);
 
done:
<------>cqes[0] = (struct kcqe *) &kcqe;
<------>cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_ISCSI, cqes, 1);
<------>return 0;
}
 
 
static int cnic_bnx2x_iscsi_update(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct iscsi_kwqe_conn_update *req =
<------><------>(struct iscsi_kwqe_conn_update *) kwqe;
<------>void *data;
<------>union l5cm_specific_data l5_data;
<------>u32 l5_cid, cid = BNX2X_SW_CID(req->context_id);
<------>int ret;
 
<------>if (cnic_get_l5_cid(cp, cid, &l5_cid) != 0)
<------><------>return -EINVAL;
 
<------>data = cnic_get_kwqe_16_data(cp, l5_cid, &l5_data);
<------>if (!data)
<------><------>return -ENOMEM;
 
<------>memcpy(data, kwqe, sizeof(struct kwqe));
 
<------>ret = cnic_submit_kwqe_16(dev, ISCSI_RAMROD_CMD_ID_UPDATE_CONN,
<------><------><------>req->context_id, ISCSI_CONNECTION_TYPE, &l5_data);
<------>return ret;
}
 
static int cnic_bnx2x_destroy_ramrod(struct cnic_dev *dev, u32 l5_cid)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
<------>union l5cm_specific_data l5_data;
<------>int ret;
<------>u32 hw_cid;
 
<------>init_waitqueue_head(&ctx->waitq);
<------>ctx->wait_cond = 0;
<------>memset(&l5_data, 0, sizeof(l5_data));
<------>hw_cid = BNX2X_HW_CID(bp, ctx->cid);
 
<------>ret = cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_COMMON_CFC_DEL,
<------><------><------><------>  hw_cid, NONE_CONNECTION_TYPE, &l5_data);
 
<------>if (ret == 0) {
<------><------>wait_event_timeout(ctx->waitq, ctx->wait_cond, CNIC_RAMROD_TMO);
<------><------>if (unlikely(test_bit(CTX_FL_CID_ERROR, &ctx->ctx_flags)))
<------><------><------>return -EBUSY;
<------>}
 
<------>return 0;
}
 
static int cnic_bnx2x_iscsi_destroy(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct iscsi_kwqe_conn_destroy *req =
<------><------>(struct iscsi_kwqe_conn_destroy *) kwqe;
<------>u32 l5_cid = req->reserved0;
<------>struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
<------>int ret = 0;
<------>struct iscsi_kcqe kcqe;
<------>struct kcqe *cqes[1];
 
<------>if (!test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags))
<------><------>goto skip_cfc_delete;
 
<------>if (!time_after(jiffies, ctx->timestamp + (2 * HZ))) {
<------><------>unsigned long delta = ctx->timestamp + (2 * HZ) - jiffies;
 
<------><------>if (delta > (2 * HZ))
<------><------><------>delta = 0;
 
<------><------>set_bit(CTX_FL_DELETE_WAIT, &ctx->ctx_flags);
<------><------>queue_delayed_work(cnic_wq, &cp->delete_task, delta);
<------><------>goto destroy_reply;
<------>}
 
<------>ret = cnic_bnx2x_destroy_ramrod(dev, l5_cid);
 
skip_cfc_delete:
<------>cnic_free_bnx2x_conn_resc(dev, l5_cid);
 
<------>if (!ret) {
<------><------>atomic_dec(&cp->iscsi_conn);
<------><------>clear_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags);
<------>}
 
destroy_reply:
<------>memset(&kcqe, 0, sizeof(kcqe));
<------>kcqe.op_code = ISCSI_KCQE_OPCODE_DESTROY_CONN;
<------>kcqe.iscsi_conn_id = l5_cid;
<------>kcqe.completion_status = ISCSI_KCQE_COMPLETION_STATUS_SUCCESS;
<------>kcqe.iscsi_conn_context_id = req->context_id;
 
<------>cqes[0] = (struct kcqe *) &kcqe;
<------>cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_ISCSI, cqes, 1);
 
<------>return 0;
}
 
static void cnic_init_storm_conn_bufs(struct cnic_dev *dev,
<------><------><------><------>      struct l4_kwq_connect_req1 *kwqe1,
<------><------><------><------>      struct l4_kwq_connect_req3 *kwqe3,
<------><------><------><------>      struct l5cm_active_conn_buffer *conn_buf)
{
<------>struct l5cm_conn_addr_params *conn_addr = &conn_buf->conn_addr_buf;
<------>struct l5cm_xstorm_conn_buffer *xstorm_buf =
<------><------>&conn_buf->xstorm_conn_buffer;
<------>struct l5cm_tstorm_conn_buffer *tstorm_buf =
<------><------>&conn_buf->tstorm_conn_buffer;
<------>struct regpair context_addr;
<------>u32 cid = BNX2X_SW_CID(kwqe1->cid);
<------>struct in6_addr src_ip, dst_ip;
<------>int i;
<------>u32 *addrp;
 
<------>addrp = (u32 *) &conn_addr->local_ip_addr;
<------>for (i = 0; i < 4; i++, addrp++)
<------><------>src_ip.in6_u.u6_addr32[i] = cpu_to_be32(*addrp);
 
<------>addrp = (u32 *) &conn_addr->remote_ip_addr;
<------>for (i = 0; i < 4; i++, addrp++)
<------><------>dst_ip.in6_u.u6_addr32[i] = cpu_to_be32(*addrp);
 
<------>cnic_get_bnx2x_ctx(dev, cid, 0, &context_addr);
 
<------>xstorm_buf->context_addr.hi = context_addr.hi;
<------>xstorm_buf->context_addr.lo = context_addr.lo;
<------>xstorm_buf->mss = 0xffff;
<------>xstorm_buf->rcv_buf = kwqe3->rcv_buf;
<------>if (kwqe1->tcp_flags & L4_KWQ_CONNECT_REQ1_NAGLE_ENABLE)
<------><------>xstorm_buf->params |= L5CM_XSTORM_CONN_BUFFER_NAGLE_ENABLE;
<------>xstorm_buf->pseudo_header_checksum =
<------><------>swab16(~csum_ipv6_magic(&src_ip, &dst_ip, 0, IPPROTO_TCP, 0));
 
<------>if (kwqe3->ka_timeout) {
<------><------>tstorm_buf->ka_enable = 1;
<------><------>tstorm_buf->ka_timeout = kwqe3->ka_timeout;
<------><------>tstorm_buf->ka_interval = kwqe3->ka_interval;
<------><------>tstorm_buf->ka_max_probe_count = kwqe3->ka_max_probe_count;
<------>}
<------>tstorm_buf->max_rt_time = 0xffffffff;
}
 
static void cnic_init_bnx2x_mac(struct cnic_dev *dev)
{
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u32 pfid = bp->pfid;
<------>u8 *mac = dev->mac_addr;
 
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_LOCAL_MAC_ADDR0_OFFSET(pfid), mac[0]);
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_LOCAL_MAC_ADDR1_OFFSET(pfid), mac[1]);
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_LOCAL_MAC_ADDR2_OFFSET(pfid), mac[2]);
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_LOCAL_MAC_ADDR3_OFFSET(pfid), mac[3]);
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_LOCAL_MAC_ADDR4_OFFSET(pfid), mac[4]);
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_LOCAL_MAC_ADDR5_OFFSET(pfid), mac[5]);
 
<------>CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
<------><------> TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(pfid), mac[5]);
<------>CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
<------><------> TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(pfid) + 1,
<------><------> mac[4]);
<------>CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
<------><------> TSTORM_ISCSI_TCP_VARS_MID_LOCAL_MAC_ADDR_OFFSET(pfid), mac[3]);
<------>CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
<------><------> TSTORM_ISCSI_TCP_VARS_MID_LOCAL_MAC_ADDR_OFFSET(pfid) + 1,
<------><------> mac[2]);
<------>CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
<------><------> TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(pfid), mac[1]);
<------>CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
<------><------> TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(pfid) + 1,
<------><------> mac[0]);
}
 
static int cnic_bnx2x_connect(struct cnic_dev *dev, struct kwqe *wqes[],
<------><------><------>      u32 num, int *work)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct l4_kwq_connect_req1 *kwqe1 =
<------><------>(struct l4_kwq_connect_req1 *) wqes[0];
<------>struct l4_kwq_connect_req3 *kwqe3;
<------>struct l5cm_active_conn_buffer *conn_buf;
<------>struct l5cm_conn_addr_params *conn_addr;
<------>union l5cm_specific_data l5_data;
<------>u32 l5_cid = kwqe1->pg_cid;
<------>struct cnic_sock *csk = &cp->csk_tbl[l5_cid];
<------>struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
<------>int ret;
 
<------>if (num < 2) {
<------><------>*work = num;
<------><------>return -EINVAL;
<------>}
 
<------>if (kwqe1->conn_flags & L4_KWQ_CONNECT_REQ1_IP_V6)
<------><------>*work = 3;
<------>else
<------><------>*work = 2;
 
<------>if (num < *work) {
<------><------>*work = num;
<------><------>return -EINVAL;
<------>}
 
<------>if (sizeof(*conn_buf) > CNIC_KWQ16_DATA_SIZE) {
<------><------>netdev_err(dev->netdev, "conn_buf size too big\n");
<------><------>return -ENOMEM;
<------>}
<------>conn_buf = cnic_get_kwqe_16_data(cp, l5_cid, &l5_data);
<------>if (!conn_buf)
<------><------>return -ENOMEM;
 
<------>memset(conn_buf, 0, sizeof(*conn_buf));
 
<------>conn_addr = &conn_buf->conn_addr_buf;
<------>conn_addr->remote_addr_0 = csk->ha[0];
<------>conn_addr->remote_addr_1 = csk->ha[1];
<------>conn_addr->remote_addr_2 = csk->ha[2];
<------>conn_addr->remote_addr_3 = csk->ha[3];
<------>conn_addr->remote_addr_4 = csk->ha[4];
<------>conn_addr->remote_addr_5 = csk->ha[5];
 
<------>if (kwqe1->conn_flags & L4_KWQ_CONNECT_REQ1_IP_V6) {
<------><------>struct l4_kwq_connect_req2 *kwqe2 =
<------><------><------>(struct l4_kwq_connect_req2 *) wqes[1];
 
<------><------>conn_addr->local_ip_addr.ip_addr_hi_hi = kwqe2->src_ip_v6_4;
<------><------>conn_addr->local_ip_addr.ip_addr_hi_lo = kwqe2->src_ip_v6_3;
<------><------>conn_addr->local_ip_addr.ip_addr_lo_hi = kwqe2->src_ip_v6_2;
 
<------><------>conn_addr->remote_ip_addr.ip_addr_hi_hi = kwqe2->dst_ip_v6_4;
<------><------>conn_addr->remote_ip_addr.ip_addr_hi_lo = kwqe2->dst_ip_v6_3;
<------><------>conn_addr->remote_ip_addr.ip_addr_lo_hi = kwqe2->dst_ip_v6_2;
<------><------>conn_addr->params |= L5CM_CONN_ADDR_PARAMS_IP_VERSION;
<------>}
<------>kwqe3 = (struct l4_kwq_connect_req3 *) wqes[*work - 1];
 
<------>conn_addr->local_ip_addr.ip_addr_lo_lo = kwqe1->src_ip;
<------>conn_addr->remote_ip_addr.ip_addr_lo_lo = kwqe1->dst_ip;
<------>conn_addr->local_tcp_port = kwqe1->src_port;
<------>conn_addr->remote_tcp_port = kwqe1->dst_port;
 
<------>conn_addr->pmtu = kwqe3->pmtu;
<------>cnic_init_storm_conn_bufs(dev, kwqe1, kwqe3, conn_buf);
 
<------>CNIC_WR16(dev, BAR_XSTRORM_INTMEM +
<------><------>  XSTORM_ISCSI_LOCAL_VLAN_OFFSET(bp->pfid), csk->vlan_id);
 
<------>ret = cnic_submit_kwqe_16(dev, L5CM_RAMROD_CMD_ID_TCP_CONNECT,
<------><------><------>kwqe1->cid, ISCSI_CONNECTION_TYPE, &l5_data);
<------>if (!ret)
<------><------>set_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags);
 
<------>return ret;
}
 
static int cnic_bnx2x_close(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct l4_kwq_close_req *req = (struct l4_kwq_close_req *) kwqe;
<------>union l5cm_specific_data l5_data;
<------>int ret;
 
<------>memset(&l5_data, 0, sizeof(l5_data));
<------>ret = cnic_submit_kwqe_16(dev, L5CM_RAMROD_CMD_ID_CLOSE,
<------><------><------>req->cid, ISCSI_CONNECTION_TYPE, &l5_data);
<------>return ret;
}
 
static int cnic_bnx2x_reset(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct l4_kwq_reset_req *req = (struct l4_kwq_reset_req *) kwqe;
<------>union l5cm_specific_data l5_data;
<------>int ret;
 
<------>memset(&l5_data, 0, sizeof(l5_data));
<------>ret = cnic_submit_kwqe_16(dev, L5CM_RAMROD_CMD_ID_ABORT,
<------><------><------>req->cid, ISCSI_CONNECTION_TYPE, &l5_data);
<------>return ret;
}
static int cnic_bnx2x_offload_pg(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct l4_kwq_offload_pg *req = (struct l4_kwq_offload_pg *) kwqe;
<------>struct l4_kcq kcqe;
<------>struct kcqe *cqes[1];
 
<------>memset(&kcqe, 0, sizeof(kcqe));
<------>kcqe.pg_host_opaque = req->host_opaque;
<------>kcqe.pg_cid = req->host_opaque;
<------>kcqe.op_code = L4_KCQE_OPCODE_VALUE_OFFLOAD_PG;
<------>cqes[0] = (struct kcqe *) &kcqe;
<------>cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_L4, cqes, 1);
<------>return 0;
}
 
static int cnic_bnx2x_update_pg(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct l4_kwq_update_pg *req = (struct l4_kwq_update_pg *) kwqe;
<------>struct l4_kcq kcqe;
<------>struct kcqe *cqes[1];
 
<------>memset(&kcqe, 0, sizeof(kcqe));
<------>kcqe.pg_host_opaque = req->pg_host_opaque;
<------>kcqe.pg_cid = req->pg_cid;
<------>kcqe.op_code = L4_KCQE_OPCODE_VALUE_UPDATE_PG;
<------>cqes[0] = (struct kcqe *) &kcqe;
<------>cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_L4, cqes, 1);
<------>return 0;
}
 
static int cnic_bnx2x_fcoe_stat(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct fcoe_kwqe_stat *req;
<------>struct fcoe_stat_ramrod_params *fcoe_stat;
<------>union l5cm_specific_data l5_data;
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>int ret;
<------>u32 cid;
 
<------>req = (struct fcoe_kwqe_stat *) kwqe;
<------>cid = BNX2X_HW_CID(bp, cp->fcoe_init_cid);
 
<------>fcoe_stat = cnic_get_kwqe_16_data(cp, BNX2X_FCOE_L5_CID_BASE, &l5_data);
<------>if (!fcoe_stat)
<------><------>return -ENOMEM;
 
<------>memset(fcoe_stat, 0, sizeof(*fcoe_stat));
<------>memcpy(&fcoe_stat->stat_kwqe, req, sizeof(*req));
 
<------>ret = cnic_submit_kwqe_16(dev, FCOE_RAMROD_CMD_ID_STAT_FUNC, cid,
<------><------><------><------>  FCOE_CONNECTION_TYPE, &l5_data);
<------>return ret;
}
 
static int cnic_bnx2x_fcoe_init1(struct cnic_dev *dev, struct kwqe *wqes[],
<------><------><------><------> u32 num, int *work)
{
<------>int ret;
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u32 cid;
<------>struct fcoe_init_ramrod_params *fcoe_init;
<------>struct fcoe_kwqe_init1 *req1;
<------>struct fcoe_kwqe_init2 *req2;
<------>struct fcoe_kwqe_init3 *req3;
<------>union l5cm_specific_data l5_data;
 
<------>if (num < 3) {
<------><------>*work = num;
<------><------>return -EINVAL;
<------>}
<------>req1 = (struct fcoe_kwqe_init1 *) wqes[0];
<------>req2 = (struct fcoe_kwqe_init2 *) wqes[1];
<------>req3 = (struct fcoe_kwqe_init3 *) wqes[2];
<------>if (req2->hdr.op_code != FCOE_KWQE_OPCODE_INIT2) {
<------><------>*work = 1;
<------><------>return -EINVAL;
<------>}
<------>if (req3->hdr.op_code != FCOE_KWQE_OPCODE_INIT3) {
<------><------>*work = 2;
<------><------>return -EINVAL;
<------>}
 
<------>if (sizeof(*fcoe_init) > CNIC_KWQ16_DATA_SIZE) {
<------><------>netdev_err(dev->netdev, "fcoe_init size too big\n");
<------><------>return -ENOMEM;
<------>}
<------>fcoe_init = cnic_get_kwqe_16_data(cp, BNX2X_FCOE_L5_CID_BASE, &l5_data);
<------>if (!fcoe_init)
<------><------>return -ENOMEM;
 
<------>memset(fcoe_init, 0, sizeof(*fcoe_init));
<------>memcpy(&fcoe_init->init_kwqe1, req1, sizeof(*req1));
<------>memcpy(&fcoe_init->init_kwqe2, req2, sizeof(*req2));
<------>memcpy(&fcoe_init->init_kwqe3, req3, sizeof(*req3));
<------>fcoe_init->eq_pbl_base.lo = cp->kcq2.dma.pgtbl_map & 0xffffffff;
<------>fcoe_init->eq_pbl_base.hi = (u64) cp->kcq2.dma.pgtbl_map >> 32;
<------>fcoe_init->eq_pbl_size = cp->kcq2.dma.num_pages;
 
<------>fcoe_init->sb_num = cp->status_blk_num;
<------>fcoe_init->eq_prod = MAX_KCQ_IDX;
<------>fcoe_init->sb_id = HC_INDEX_FCOE_EQ_CONS;
<------>cp->kcq2.sw_prod_idx = 0;
 
<------>cid = BNX2X_HW_CID(bp, cp->fcoe_init_cid);
<------>ret = cnic_submit_kwqe_16(dev, FCOE_RAMROD_CMD_ID_INIT_FUNC, cid,
<------><------><------><------>  FCOE_CONNECTION_TYPE, &l5_data);
<------>*work = 3;
<------>return ret;
}
 
static int cnic_bnx2x_fcoe_ofld1(struct cnic_dev *dev, struct kwqe *wqes[],
<------><------><------><------> u32 num, int *work)
{
<------>int ret = 0;
<------>u32 cid = -1, l5_cid;
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct fcoe_kwqe_conn_offload1 *req1;
<------>struct fcoe_kwqe_conn_offload2 *req2;
<------>struct fcoe_kwqe_conn_offload3 *req3;
<------>struct fcoe_kwqe_conn_offload4 *req4;
<------>struct fcoe_conn_offload_ramrod_params *fcoe_offload;
<------>struct cnic_context *ctx;
<------>struct fcoe_context *fctx;
<------>struct regpair ctx_addr;
<------>union l5cm_specific_data l5_data;
<------>struct fcoe_kcqe kcqe;
<------>struct kcqe *cqes[1];
 
<------>if (num < 4) {
<------><------>*work = num;
<------><------>return -EINVAL;
<------>}
<------>req1 = (struct fcoe_kwqe_conn_offload1 *) wqes[0];
<------>req2 = (struct fcoe_kwqe_conn_offload2 *) wqes[1];
<------>req3 = (struct fcoe_kwqe_conn_offload3 *) wqes[2];
<------>req4 = (struct fcoe_kwqe_conn_offload4 *) wqes[3];
 
<------>*work = 4;
 
<------>l5_cid = req1->fcoe_conn_id;
<------>if (l5_cid >= dev->max_fcoe_conn)
<------><------>goto err_reply;
 
<------>l5_cid += BNX2X_FCOE_L5_CID_BASE;
 
<------>ctx = &cp->ctx_tbl[l5_cid];
<------>if (test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags))
<------><------>goto err_reply;
 
<------>ret = cnic_alloc_bnx2x_conn_resc(dev, l5_cid);
<------>if (ret) {
<------><------>ret = 0;
<------><------>goto err_reply;
<------>}
<------>cid = ctx->cid;
 
<------>fctx = cnic_get_bnx2x_ctx(dev, cid, 1, &ctx_addr);
<------>if (fctx) {
<------><------>u32 hw_cid = BNX2X_HW_CID(bp, cid);
<------><------>u32 val;
 
<------><------>val = CDU_RSRVD_VALUE_TYPE_A(hw_cid, CDU_REGION_NUMBER_XCM_AG,
<------><------><------><------><------>     FCOE_CONNECTION_TYPE);
<------><------>fctx->xstorm_ag_context.cdu_reserved = val;
<------><------>val = CDU_RSRVD_VALUE_TYPE_A(hw_cid, CDU_REGION_NUMBER_UCM_AG,
<------><------><------><------><------>     FCOE_CONNECTION_TYPE);
<------><------>fctx->ustorm_ag_context.cdu_usage = val;
<------>}
<------>if (sizeof(*fcoe_offload) > CNIC_KWQ16_DATA_SIZE) {
<------><------>netdev_err(dev->netdev, "fcoe_offload size too big\n");
<------><------>goto err_reply;
<------>}
<------>fcoe_offload = cnic_get_kwqe_16_data(cp, l5_cid, &l5_data);
<------>if (!fcoe_offload)
<------><------>goto err_reply;
 
<------>memset(fcoe_offload, 0, sizeof(*fcoe_offload));
<------>memcpy(&fcoe_offload->offload_kwqe1, req1, sizeof(*req1));
<------>memcpy(&fcoe_offload->offload_kwqe2, req2, sizeof(*req2));
<------>memcpy(&fcoe_offload->offload_kwqe3, req3, sizeof(*req3));
<------>memcpy(&fcoe_offload->offload_kwqe4, req4, sizeof(*req4));
 
<------>cid = BNX2X_HW_CID(bp, cid);
<------>ret = cnic_submit_kwqe_16(dev, FCOE_RAMROD_CMD_ID_OFFLOAD_CONN, cid,
<------><------><------><------>  FCOE_CONNECTION_TYPE, &l5_data);
<------>if (!ret)
<------><------>set_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags);
 
<------>return ret;
 
err_reply:
<------>if (cid != -1)
<------><------>cnic_free_bnx2x_conn_resc(dev, l5_cid);
 
<------>memset(&kcqe, 0, sizeof(kcqe));
<------>kcqe.op_code = FCOE_KCQE_OPCODE_OFFLOAD_CONN;
<------>kcqe.fcoe_conn_id = req1->fcoe_conn_id;
<------>kcqe.completion_status = FCOE_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE;
 
<------>cqes[0] = (struct kcqe *) &kcqe;
<------>cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_FCOE, cqes, 1);
<------>return ret;
}
 
static int cnic_bnx2x_fcoe_enable(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct fcoe_kwqe_conn_enable_disable *req;
<------>struct fcoe_conn_enable_disable_ramrod_params *fcoe_enable;
<------>union l5cm_specific_data l5_data;
<------>int ret;
<------>u32 cid, l5_cid;
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>req = (struct fcoe_kwqe_conn_enable_disable *) kwqe;
<------>cid = req->context_id;
<------>l5_cid = req->conn_id + BNX2X_FCOE_L5_CID_BASE;
 
<------>if (sizeof(*fcoe_enable) > CNIC_KWQ16_DATA_SIZE) {
<------><------>netdev_err(dev->netdev, "fcoe_enable size too big\n");
<------><------>return -ENOMEM;
<------>}
<------>fcoe_enable = cnic_get_kwqe_16_data(cp, l5_cid, &l5_data);
<------>if (!fcoe_enable)
<------><------>return -ENOMEM;
 
<------>memset(fcoe_enable, 0, sizeof(*fcoe_enable));
<------>memcpy(&fcoe_enable->enable_disable_kwqe, req, sizeof(*req));
<------>ret = cnic_submit_kwqe_16(dev, FCOE_RAMROD_CMD_ID_ENABLE_CONN, cid,
<------><------><------><------>  FCOE_CONNECTION_TYPE, &l5_data);
<------>return ret;
}
 
static int cnic_bnx2x_fcoe_disable(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct fcoe_kwqe_conn_enable_disable *req;
<------>struct fcoe_conn_enable_disable_ramrod_params *fcoe_disable;
<------>union l5cm_specific_data l5_data;
<------>int ret;
<------>u32 cid, l5_cid;
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>req = (struct fcoe_kwqe_conn_enable_disable *) kwqe;
<------>cid = req->context_id;
<------>l5_cid = req->conn_id;
<------>if (l5_cid >= dev->max_fcoe_conn)
<------><------>return -EINVAL;
 
<------>l5_cid += BNX2X_FCOE_L5_CID_BASE;
 
<------>if (sizeof(*fcoe_disable) > CNIC_KWQ16_DATA_SIZE) {
<------><------>netdev_err(dev->netdev, "fcoe_disable size too big\n");
<------><------>return -ENOMEM;
<------>}
<------>fcoe_disable = cnic_get_kwqe_16_data(cp, l5_cid, &l5_data);
<------>if (!fcoe_disable)
<------><------>return -ENOMEM;
 
<------>memset(fcoe_disable, 0, sizeof(*fcoe_disable));
<------>memcpy(&fcoe_disable->enable_disable_kwqe, req, sizeof(*req));
<------>ret = cnic_submit_kwqe_16(dev, FCOE_RAMROD_CMD_ID_DISABLE_CONN, cid,
<------><------><------><------>  FCOE_CONNECTION_TYPE, &l5_data);
<------>return ret;
}
 
static int cnic_bnx2x_fcoe_destroy(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct fcoe_kwqe_conn_destroy *req;
<------>union l5cm_specific_data l5_data;
<------>int ret;
<------>u32 cid, l5_cid;
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_context *ctx;
<------>struct fcoe_kcqe kcqe;
<------>struct kcqe *cqes[1];
 
<------>req = (struct fcoe_kwqe_conn_destroy *) kwqe;
<------>cid = req->context_id;
<------>l5_cid = req->conn_id;
<------>if (l5_cid >= dev->max_fcoe_conn)
<------><------>return -EINVAL;
 
<------>l5_cid += BNX2X_FCOE_L5_CID_BASE;
 
<------>ctx = &cp->ctx_tbl[l5_cid];
 
<------>init_waitqueue_head(&ctx->waitq);
<------>ctx->wait_cond = 0;
 
<------>memset(&kcqe, 0, sizeof(kcqe));
<------>kcqe.completion_status = FCOE_KCQE_COMPLETION_STATUS_ERROR;
<------>memset(&l5_data, 0, sizeof(l5_data));
<------>ret = cnic_submit_kwqe_16(dev, FCOE_RAMROD_CMD_ID_TERMINATE_CONN, cid,
<------><------><------><------>  FCOE_CONNECTION_TYPE, &l5_data);
<------>if (ret == 0) {
<------><------>wait_event_timeout(ctx->waitq, ctx->wait_cond, CNIC_RAMROD_TMO);
<------><------>if (ctx->wait_cond)
<------><------><------>kcqe.completion_status = 0;
<------>}
 
<------>set_bit(CTX_FL_DELETE_WAIT, &ctx->ctx_flags);
<------>queue_delayed_work(cnic_wq, &cp->delete_task, msecs_to_jiffies(2000));
 
<------>kcqe.op_code = FCOE_KCQE_OPCODE_DESTROY_CONN;
<------>kcqe.fcoe_conn_id = req->conn_id;
<------>kcqe.fcoe_conn_context_id = cid;
 
<------>cqes[0] = (struct kcqe *) &kcqe;
<------>cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_FCOE, cqes, 1);
<------>return ret;
}
 
static void cnic_bnx2x_delete_wait(struct cnic_dev *dev, u32 start_cid)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>u32 i;
 
<------>for (i = start_cid; i < cp->max_cid_space; i++) {
<------><------>struct cnic_context *ctx = &cp->ctx_tbl[i];
<------><------>int j;
 
<------><------>while (test_bit(CTX_FL_DELETE_WAIT, &ctx->ctx_flags))
<------><------><------>msleep(10);
 
<------><------>for (j = 0; j < 5; j++) {
<------><------><------>if (!test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags))
<------><------><------><------>break;
<------><------><------>msleep(20);
<------><------>}
 
<------><------>if (test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags))
<------><------><------>netdev_warn(dev->netdev, "CID %x not deleted\n",
<------><------><------><------>   ctx->cid);
<------>}
}
 
static int cnic_bnx2x_fcoe_fw_destroy(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>union l5cm_specific_data l5_data;
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>int ret;
<------>u32 cid;
 
<------>cnic_bnx2x_delete_wait(dev, MAX_ISCSI_TBL_SZ);
 
<------>cid = BNX2X_HW_CID(bp, cp->fcoe_init_cid);
 
<------>memset(&l5_data, 0, sizeof(l5_data));
<------>ret = cnic_submit_kwqe_16(dev, FCOE_RAMROD_CMD_ID_DESTROY_FUNC, cid,
<------><------><------><------>  FCOE_CONNECTION_TYPE, &l5_data);
<------>return ret;
}
 
static void cnic_bnx2x_kwqe_err(struct cnic_dev *dev, struct kwqe *kwqe)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct kcqe kcqe;
<------>struct kcqe *cqes[1];
<------>u32 cid;
<------>u32 opcode = KWQE_OPCODE(kwqe->kwqe_op_flag);
<------>u32 layer_code = kwqe->kwqe_op_flag & KWQE_LAYER_MASK;
<------>u32 kcqe_op;
<------>int ulp_type;
 
<------>cid = kwqe->kwqe_info0;
<------>memset(&kcqe, 0, sizeof(kcqe));
 
<------>if (layer_code == KWQE_FLAGS_LAYER_MASK_L5_FCOE) {
<------><------>u32 l5_cid = 0;
 
<------><------>ulp_type = CNIC_ULP_FCOE;
<------><------>if (opcode == FCOE_KWQE_OPCODE_DISABLE_CONN) {
<------><------><------>struct fcoe_kwqe_conn_enable_disable *req;
 
<------><------><------>req = (struct fcoe_kwqe_conn_enable_disable *) kwqe;
<------><------><------>kcqe_op = FCOE_KCQE_OPCODE_DISABLE_CONN;
<------><------><------>cid = req->context_id;
<------><------><------>l5_cid = req->conn_id;
<------><------>} else if (opcode == FCOE_KWQE_OPCODE_DESTROY) {
<------><------><------>kcqe_op = FCOE_KCQE_OPCODE_DESTROY_FUNC;
<------><------>} else {
<------><------><------>return;
<------><------>}
<------><------>kcqe.kcqe_op_flag = kcqe_op << KCQE_FLAGS_OPCODE_SHIFT;
<------><------>kcqe.kcqe_op_flag |= KCQE_FLAGS_LAYER_MASK_L5_FCOE;
<------><------>kcqe.kcqe_info1 = FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR;
<------><------>kcqe.kcqe_info2 = cid;
<------><------>kcqe.kcqe_info0 = l5_cid;
 
<------>} else if (layer_code == KWQE_FLAGS_LAYER_MASK_L5_ISCSI) {
<------><------>ulp_type = CNIC_ULP_ISCSI;
<------><------>if (opcode == ISCSI_KWQE_OPCODE_UPDATE_CONN)
<------><------><------>cid = kwqe->kwqe_info1;
 
<------><------>kcqe.kcqe_op_flag = (opcode + 0x10) << KCQE_FLAGS_OPCODE_SHIFT;
<------><------>kcqe.kcqe_op_flag |= KCQE_FLAGS_LAYER_MASK_L5_ISCSI;
<------><------>kcqe.kcqe_info1 = ISCSI_KCQE_COMPLETION_STATUS_PARITY_ERR;
<------><------>kcqe.kcqe_info2 = cid;
<------><------>cnic_get_l5_cid(cp, BNX2X_SW_CID(cid), &kcqe.kcqe_info0);
 
<------>} else if (layer_code == KWQE_FLAGS_LAYER_MASK_L4) {
<------><------>struct l4_kcq *l4kcqe = (struct l4_kcq *) &kcqe;
 
<------><------>ulp_type = CNIC_ULP_L4;
<------><------>if (opcode == L4_KWQE_OPCODE_VALUE_CONNECT1)
<------><------><------>kcqe_op = L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE;
<------><------>else if (opcode == L4_KWQE_OPCODE_VALUE_RESET)
<------><------><------>kcqe_op = L4_KCQE_OPCODE_VALUE_RESET_COMP;
<------><------>else if (opcode == L4_KWQE_OPCODE_VALUE_CLOSE)
<------><------><------>kcqe_op = L4_KCQE_OPCODE_VALUE_CLOSE_COMP;
<------><------>else
<------><------><------>return;
 
<------><------>kcqe.kcqe_op_flag = (kcqe_op << KCQE_FLAGS_OPCODE_SHIFT) |
<------><------><------><------>    KCQE_FLAGS_LAYER_MASK_L4;
<------><------>l4kcqe->status = L4_KCQE_COMPLETION_STATUS_PARITY_ERROR;
<------><------>l4kcqe->cid = cid;
<------><------>cnic_get_l5_cid(cp, BNX2X_SW_CID(cid), &l4kcqe->conn_id);
<------>} else {
<------><------>return;
<------>}
 
<------>cqes[0] = &kcqe;
<------>cnic_reply_bnx2x_kcqes(dev, ulp_type, cqes, 1);
}
 
static int cnic_submit_bnx2x_iscsi_kwqes(struct cnic_dev *dev,
<------><------><------><------><------> struct kwqe *wqes[], u32 num_wqes)
{
<------>int i, work, ret;
<------>u32 opcode;
<------>struct kwqe *kwqe;
 
<------>if (!test_bit(CNIC_F_CNIC_UP, &dev->flags))
<------><------>return -EAGAIN;		/* bnx2 is down */
 
<------>for (i = 0; i < num_wqes; ) {
<------><------>kwqe = wqes[i];
<------><------>opcode = KWQE_OPCODE(kwqe->kwqe_op_flag);
<------><------>work = 1;
 
<------><------>switch (opcode) {
<------><------>case ISCSI_KWQE_OPCODE_INIT1:
<------><------><------>ret = cnic_bnx2x_iscsi_init1(dev, kwqe);
<------><------><------>break;
<------><------>case ISCSI_KWQE_OPCODE_INIT2:
<------><------><------>ret = cnic_bnx2x_iscsi_init2(dev, kwqe);
<------><------><------>break;
<------><------>case ISCSI_KWQE_OPCODE_OFFLOAD_CONN1:
<------><------><------>ret = cnic_bnx2x_iscsi_ofld1(dev, &wqes[i],
<------><------><------><------><------><------>     num_wqes - i, &work);
<------><------><------>break;
<------><------>case ISCSI_KWQE_OPCODE_UPDATE_CONN:
<------><------><------>ret = cnic_bnx2x_iscsi_update(dev, kwqe);
<------><------><------>break;
<------><------>case ISCSI_KWQE_OPCODE_DESTROY_CONN:
<------><------><------>ret = cnic_bnx2x_iscsi_destroy(dev, kwqe);
<------><------><------>break;
<------><------>case L4_KWQE_OPCODE_VALUE_CONNECT1:
<------><------><------>ret = cnic_bnx2x_connect(dev, &wqes[i], num_wqes - i,
<------><------><------><------><------><------> &work);
<------><------><------>break;
<------><------>case L4_KWQE_OPCODE_VALUE_CLOSE:
<------><------><------>ret = cnic_bnx2x_close(dev, kwqe);
<------><------><------>break;
<------><------>case L4_KWQE_OPCODE_VALUE_RESET:
<------><------><------>ret = cnic_bnx2x_reset(dev, kwqe);
<------><------><------>break;
<------><------>case L4_KWQE_OPCODE_VALUE_OFFLOAD_PG:
<------><------><------>ret = cnic_bnx2x_offload_pg(dev, kwqe);
<------><------><------>break;
<------><------>case L4_KWQE_OPCODE_VALUE_UPDATE_PG:
<------><------><------>ret = cnic_bnx2x_update_pg(dev, kwqe);
<------><------><------>break;
<------><------>case L4_KWQE_OPCODE_VALUE_UPLOAD_PG:
<------><------><------>ret = 0;
<------><------><------>break;
<------><------>default:
<------><------><------>ret = 0;
<------><------><------>netdev_err(dev->netdev, "Unknown type of KWQE(0x%x)\n",
<------><------><------><------>   opcode);
<------><------><------>break;
<------><------>}
<------><------>if (ret < 0) {
<------><------><------>netdev_err(dev->netdev, "KWQE(0x%x) failed\n",
<------><------><------><------>   opcode);
 
<------><------><------>/* Possibly bnx2x parity error, send completion
<------><------><------> * to ulp drivers with error code to speed up
<------><------><------> * cleanup and reset recovery.
<------><------><------> */
<------><------><------>if (ret == -EIO || ret == -EAGAIN)
<------><------><------><------>cnic_bnx2x_kwqe_err(dev, kwqe);
<------><------>}
<------><------>i += work;
<------>}
<------>return 0;
}
 
static int cnic_submit_bnx2x_fcoe_kwqes(struct cnic_dev *dev,
<------><------><------><------><------>struct kwqe *wqes[], u32 num_wqes)
{
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>int i, work, ret;
<------>u32 opcode;
<------>struct kwqe *kwqe;
 
<------>if (!test_bit(CNIC_F_CNIC_UP, &dev->flags))
<------><------>return -EAGAIN;		/* bnx2 is down */
 
<------>if (!BNX2X_CHIP_IS_E2_PLUS(bp))
<------><------>return -EINVAL;
 
<------>for (i = 0; i < num_wqes; ) {
<------><------>kwqe = wqes[i];
<------><------>opcode = KWQE_OPCODE(kwqe->kwqe_op_flag);
<------><------>work = 1;
 
<------><------>switch (opcode) {
<------><------>case FCOE_KWQE_OPCODE_INIT1:
<------><------><------>ret = cnic_bnx2x_fcoe_init1(dev, &wqes[i],
<------><------><------><------><------><------>    num_wqes - i, &work);
<------><------><------>break;
<------><------>case FCOE_KWQE_OPCODE_OFFLOAD_CONN1:
<------><------><------>ret = cnic_bnx2x_fcoe_ofld1(dev, &wqes[i],
<------><------><------><------><------><------>    num_wqes - i, &work);
<------><------><------>break;
<------><------>case FCOE_KWQE_OPCODE_ENABLE_CONN:
<------><------><------>ret = cnic_bnx2x_fcoe_enable(dev, kwqe);
<------><------><------>break;
<------><------>case FCOE_KWQE_OPCODE_DISABLE_CONN:
<------><------><------>ret = cnic_bnx2x_fcoe_disable(dev, kwqe);
<------><------><------>break;
<------><------>case FCOE_KWQE_OPCODE_DESTROY_CONN:
<------><------><------>ret = cnic_bnx2x_fcoe_destroy(dev, kwqe);
<------><------><------>break;
<------><------>case FCOE_KWQE_OPCODE_DESTROY:
<------><------><------>ret = cnic_bnx2x_fcoe_fw_destroy(dev, kwqe);
<------><------><------>break;
<------><------>case FCOE_KWQE_OPCODE_STAT:
<------><------><------>ret = cnic_bnx2x_fcoe_stat(dev, kwqe);
<------><------><------>break;
<------><------>default:
<------><------><------>ret = 0;
<------><------><------>netdev_err(dev->netdev, "Unknown type of KWQE(0x%x)\n",
<------><------><------><------>   opcode);
<------><------><------>break;
<------><------>}
<------><------>if (ret < 0) {
<------><------><------>netdev_err(dev->netdev, "KWQE(0x%x) failed\n",
<------><------><------><------>   opcode);
 
<------><------><------>/* Possibly bnx2x parity error, send completion
<------><------><------> * to ulp drivers with error code to speed up
<------><------><------> * cleanup and reset recovery.
<------><------><------> */
<------><------><------>if (ret == -EIO || ret == -EAGAIN)
<------><------><------><------>cnic_bnx2x_kwqe_err(dev, kwqe);
<------><------>}
<------><------>i += work;
<------>}
<------>return 0;
}
 
static int cnic_submit_bnx2x_kwqes(struct cnic_dev *dev, struct kwqe *wqes[],
<------><------><------><------>   u32 num_wqes)
{
<------>int ret = -EINVAL;
<------>u32 layer_code;
 
<------>if (!test_bit(CNIC_F_CNIC_UP, &dev->flags))
<------><------>return -EAGAIN;		/* bnx2x is down */
 
<------>if (!num_wqes)
<------><------>return 0;
 
<------>layer_code = wqes[0]->kwqe_op_flag & KWQE_LAYER_MASK;
<------>switch (layer_code) {
<------>case KWQE_FLAGS_LAYER_MASK_L5_ISCSI:
<------>case KWQE_FLAGS_LAYER_MASK_L4:
<------>case KWQE_FLAGS_LAYER_MASK_L2:
<------><------>ret = cnic_submit_bnx2x_iscsi_kwqes(dev, wqes, num_wqes);
<------><------>break;
 
<------>case KWQE_FLAGS_LAYER_MASK_L5_FCOE:
<------><------>ret = cnic_submit_bnx2x_fcoe_kwqes(dev, wqes, num_wqes);
<------><------>break;
<------>}
<------>return ret;
}
 
static inline u32 cnic_get_kcqe_layer_mask(u32 opflag)
{
<------>if (unlikely(KCQE_OPCODE(opflag) == FCOE_RAMROD_CMD_ID_TERMINATE_CONN))
<------><------>return KCQE_FLAGS_LAYER_MASK_L4;
 
<------>return opflag & KCQE_FLAGS_LAYER_MASK;
}
 
static void service_kcqes(struct cnic_dev *dev, int num_cqes)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int i, j, comp = 0;
 
<------>i = 0;
<------>j = 1;
<------>while (num_cqes) {
<------><------>struct cnic_ulp_ops *ulp_ops;
<------><------>int ulp_type;
<------><------>u32 kcqe_op_flag = cp->completed_kcq[i]->kcqe_op_flag;
<------><------>u32 kcqe_layer = cnic_get_kcqe_layer_mask(kcqe_op_flag);
 
<------><------>if (unlikely(kcqe_op_flag & KCQE_RAMROD_COMPLETION))
<------><------><------>comp++;
 
<------><------>while (j < num_cqes) {
<------><------><------>u32 next_op = cp->completed_kcq[i + j]->kcqe_op_flag;
 
<------><------><------>if (cnic_get_kcqe_layer_mask(next_op) != kcqe_layer)
<------><------><------><------>break;
 
<------><------><------>if (unlikely(next_op & KCQE_RAMROD_COMPLETION))
<------><------><------><------>comp++;
<------><------><------>j++;
<------><------>}
 
<------><------>if (kcqe_layer == KCQE_FLAGS_LAYER_MASK_L5_RDMA)
<------><------><------>ulp_type = CNIC_ULP_RDMA;
<------><------>else if (kcqe_layer == KCQE_FLAGS_LAYER_MASK_L5_ISCSI)
<------><------><------>ulp_type = CNIC_ULP_ISCSI;
<------><------>else if (kcqe_layer == KCQE_FLAGS_LAYER_MASK_L5_FCOE)
<------><------><------>ulp_type = CNIC_ULP_FCOE;
<------><------>else if (kcqe_layer == KCQE_FLAGS_LAYER_MASK_L4)
<------><------><------>ulp_type = CNIC_ULP_L4;
<------><------>else if (kcqe_layer == KCQE_FLAGS_LAYER_MASK_L2)
<------><------><------>goto end;
<------><------>else {
<------><------><------>netdev_err(dev->netdev, "Unknown type of KCQE(0x%x)\n",
<------><------><------><------>   kcqe_op_flag);
<------><------><------>goto end;
<------><------>}
 
<------><------>rcu_read_lock();
<------><------>ulp_ops = rcu_dereference(cp->ulp_ops[ulp_type]);
<------><------>if (likely(ulp_ops)) {
<------><------><------>ulp_ops->indicate_kcqes(cp->ulp_handle[ulp_type],
<------><------><------><------><------><------>  cp->completed_kcq + i, j);
<------><------>}
<------><------>rcu_read_unlock();
end:
<------><------>num_cqes -= j;
<------><------>i += j;
<------><------>j = 1;
<------>}
<------>if (unlikely(comp))
<------><------>cnic_spq_completion(dev, DRV_CTL_RET_L5_SPQ_CREDIT_CMD, comp);
}
 
static int cnic_get_kcqes(struct cnic_dev *dev, struct kcq_info *info)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>u16 i, ri, hw_prod, last;
<------>struct kcqe *kcqe;
<------>int kcqe_cnt = 0, last_cnt = 0;
 
<------>i = ri = last = info->sw_prod_idx;
<------>ri &= MAX_KCQ_IDX;
<------>hw_prod = *info->hw_prod_idx_ptr;
<------>hw_prod = info->hw_idx(hw_prod);
 
<------>while ((i != hw_prod) && (kcqe_cnt < MAX_COMPLETED_KCQE)) {
<------><------>kcqe = &info->kcq[KCQ_PG(ri)][KCQ_IDX(ri)];
<------><------>cp->completed_kcq[kcqe_cnt++] = kcqe;
<------><------>i = info->next_idx(i);
<------><------>ri = i & MAX_KCQ_IDX;
<------><------>if (likely(!(kcqe->kcqe_op_flag & KCQE_FLAGS_NEXT))) {
<------><------><------>last_cnt = kcqe_cnt;
<------><------><------>last = i;
<------><------>}
<------>}
 
<------>info->sw_prod_idx = last;
<------>return last_cnt;
}
 
static int cnic_l2_completion(struct cnic_local *cp)
{
<------>u16 hw_cons, sw_cons;
<------>struct cnic_uio_dev *udev = cp->udev;
<------>union eth_rx_cqe *cqe, *cqe_ring = (union eth_rx_cqe *)
<------><------><------><------><------>(udev->l2_ring + (2 * CNIC_PAGE_SIZE));
<------>u32 cmd;
<------>int comp = 0;
 
<------>if (!test_bit(CNIC_F_BNX2X_CLASS, &cp->dev->flags))
<------><------>return 0;
 
<------>hw_cons = *cp->rx_cons_ptr;
<------>if ((hw_cons & BNX2X_MAX_RCQ_DESC_CNT) == BNX2X_MAX_RCQ_DESC_CNT)
<------><------>hw_cons++;
 
<------>sw_cons = cp->rx_cons;
<------>while (sw_cons != hw_cons) {
<------><------>u8 cqe_fp_flags;
 
<------><------>cqe = &cqe_ring[sw_cons & BNX2X_MAX_RCQ_DESC_CNT];
<------><------>cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
<------><------>if (cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE) {
<------><------><------>cmd = le32_to_cpu(cqe->ramrod_cqe.conn_and_cmd_data);
<------><------><------>cmd >>= COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT;
<------><------><------>if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP ||
<------><------><------>    cmd == RAMROD_CMD_ID_ETH_HALT)
<------><------><------><------>comp++;
<------><------>}
<------><------>sw_cons = BNX2X_NEXT_RCQE(sw_cons);
<------>}
<------>return comp;
}
 
static void cnic_chk_pkt_rings(struct cnic_local *cp)
{
<------>u16 rx_cons, tx_cons;
<------>int comp = 0;
 
<------>if (!test_bit(CNIC_LCL_FL_RINGS_INITED, &cp->cnic_local_flags))
<------><------>return;
 
<------>rx_cons = *cp->rx_cons_ptr;
<------>tx_cons = *cp->tx_cons_ptr;
<------>if (cp->tx_cons != tx_cons || cp->rx_cons != rx_cons) {
<------><------>if (test_bit(CNIC_LCL_FL_L2_WAIT, &cp->cnic_local_flags))
<------><------><------>comp = cnic_l2_completion(cp);
 
<------><------>cp->tx_cons = tx_cons;
<------><------>cp->rx_cons = rx_cons;
 
<------><------>if (cp->udev)
<------><------><------>uio_event_notify(&cp->udev->cnic_uinfo);
<------>}
<------>if (comp)
<------><------>clear_bit(CNIC_LCL_FL_L2_WAIT, &cp->cnic_local_flags);
}
 
static u32 cnic_service_bnx2_queues(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>u32 status_idx = (u16) *cp->kcq1.status_idx_ptr;
<------>int kcqe_cnt;
 
<------>/* status block index must be read before reading other fields */
<------>rmb();
<------>cp->kwq_con_idx = *cp->kwq_con_idx_ptr;
 
<------>while ((kcqe_cnt = cnic_get_kcqes(dev, &cp->kcq1))) {
 
<------><------>service_kcqes(dev, kcqe_cnt);
 
<------><------>/* Tell compiler that status_blk fields can change. */
<------><------>barrier();
<------><------>status_idx = (u16) *cp->kcq1.status_idx_ptr;
<------><------>/* status block index must be read first */
<------><------>rmb();
<------><------>cp->kwq_con_idx = *cp->kwq_con_idx_ptr;
<------>}
 
<------>CNIC_WR16(dev, cp->kcq1.io_addr, cp->kcq1.sw_prod_idx);
 
<------>cnic_chk_pkt_rings(cp);
 
<------>return status_idx;
}
 
static int cnic_service_bnx2(void *data, void *status_blk)
{
<------>struct cnic_dev *dev = data;
 
<------>if (unlikely(!test_bit(CNIC_F_CNIC_UP, &dev->flags))) {
<------><------>struct status_block *sblk = status_blk;
 
<------><------>return sblk->status_idx;
<------>}
 
<------>return cnic_service_bnx2_queues(dev);
}
 
static void cnic_service_bnx2_msix(struct tasklet_struct *t)
{
<------>struct cnic_local *cp = from_tasklet(cp, t, cnic_irq_task);
<------>struct cnic_dev *dev = cp->dev;
 
<------>cp->last_status_idx = cnic_service_bnx2_queues(dev);
 
<------>CNIC_WR(dev, BNX2_PCICFG_INT_ACK_CMD, cp->int_num |
<------><------>BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | cp->last_status_idx);
}
 
static void cnic_doirq(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags))) {
<------><------>u16 prod = cp->kcq1.sw_prod_idx & MAX_KCQ_IDX;
 
<------><------>prefetch(cp->status_blk.gen);
<------><------>prefetch(&cp->kcq1.kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
 
<------><------>tasklet_schedule(&cp->cnic_irq_task);
<------>}
}
 
static irqreturn_t cnic_irq(int irq, void *dev_instance)
{
<------>struct cnic_dev *dev = dev_instance;
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>if (cp->ack_int)
<------><------>cp->ack_int(dev);
 
<------>cnic_doirq(dev);
 
<------>return IRQ_HANDLED;
}
 
static inline void cnic_ack_bnx2x_int(struct cnic_dev *dev, u8 id, u8 storm,
<------><------><------><------>      u16 index, u8 op, u8 update)
{
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp) * 32 +
<------><------>       COMMAND_REG_INT_ACK);
<------>struct igu_ack_register igu_ack;
 
<------>igu_ack.status_block_index = index;
<------>igu_ack.sb_id_and_flags =
<------><------><------>((id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
<------><------><------> (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
<------><------><------> (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
<------><------><------> (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
 
<------>CNIC_WR(dev, hc_addr, (*(u32 *)&igu_ack));
}
 
static void cnic_ack_igu_sb(struct cnic_dev *dev, u8 igu_sb_id, u8 segment,
<------><------><------>    u16 index, u8 op, u8 update)
{
<------>struct igu_regular cmd_data;
<------>u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id) * 8;
 
<------>cmd_data.sb_id_and_flags =
<------><------>(index << IGU_REGULAR_SB_INDEX_SHIFT) |
<------><------>(segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
<------><------>(update << IGU_REGULAR_BUPDATE_SHIFT) |
<------><------>(op << IGU_REGULAR_ENABLE_INT_SHIFT);
 
 
<------>CNIC_WR(dev, igu_addr, cmd_data.sb_id_and_flags);
}
 
static void cnic_ack_bnx2x_msix(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>cnic_ack_bnx2x_int(dev, cp->bnx2x_igu_sb_id, CSTORM_ID, 0,
<------><------><------>   IGU_INT_DISABLE, 0);
}
 
static void cnic_ack_bnx2x_e2_msix(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>cnic_ack_igu_sb(dev, cp->bnx2x_igu_sb_id, IGU_SEG_ACCESS_DEF, 0,
<------><------><------>IGU_INT_DISABLE, 0);
}
 
static void cnic_arm_bnx2x_msix(struct cnic_dev *dev, u32 idx)
{
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>cnic_ack_bnx2x_int(dev, cp->bnx2x_igu_sb_id, CSTORM_ID, idx,
<------><------><------>   IGU_INT_ENABLE, 1);
}
 
static void cnic_arm_bnx2x_e2_msix(struct cnic_dev *dev, u32 idx)
{
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>cnic_ack_igu_sb(dev, cp->bnx2x_igu_sb_id, IGU_SEG_ACCESS_DEF, idx,
<------><------><------>IGU_INT_ENABLE, 1);
}
 
static u32 cnic_service_bnx2x_kcq(struct cnic_dev *dev, struct kcq_info *info)
{
<------>u32 last_status = *info->status_idx_ptr;
<------>int kcqe_cnt;
 
<------>/* status block index must be read before reading the KCQ */
<------>rmb();
<------>while ((kcqe_cnt = cnic_get_kcqes(dev, info))) {
 
<------><------>service_kcqes(dev, kcqe_cnt);
 
<------><------>/* Tell compiler that sblk fields can change. */
<------><------>barrier();
 
<------><------>last_status = *info->status_idx_ptr;
<------><------>/* status block index must be read before reading the KCQ */
<------><------>rmb();
<------>}
<------>return last_status;
}
 
static void cnic_service_bnx2x_bh(struct tasklet_struct *t)
{
<------>struct cnic_local *cp = from_tasklet(cp, t, cnic_irq_task);
<------>struct cnic_dev *dev = cp->dev;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u32 status_idx, new_status_idx;
 
<------>if (unlikely(!test_bit(CNIC_F_CNIC_UP, &dev->flags)))
<------><------>return;
 
<------>while (1) {
<------><------>status_idx = cnic_service_bnx2x_kcq(dev, &cp->kcq1);
 
<------><------>CNIC_WR16(dev, cp->kcq1.io_addr,
<------><------><------>  cp->kcq1.sw_prod_idx + MAX_KCQ_IDX);
 
<------><------>if (!CNIC_SUPPORTS_FCOE(bp)) {
<------><------><------>cp->arm_int(dev, status_idx);
<------><------><------>break;
<------><------>}
 
<------><------>new_status_idx = cnic_service_bnx2x_kcq(dev, &cp->kcq2);
 
<------><------>if (new_status_idx != status_idx)
<------><------><------>continue;
 
<------><------>CNIC_WR16(dev, cp->kcq2.io_addr, cp->kcq2.sw_prod_idx +
<------><------><------>  MAX_KCQ_IDX);
 
<------><------>cnic_ack_igu_sb(dev, cp->bnx2x_igu_sb_id, IGU_SEG_ACCESS_DEF,
<------><------><------><------>status_idx, IGU_INT_ENABLE, 1);
 
<------><------>break;
<------>}
}
 
static int cnic_service_bnx2x(void *data, void *status_blk)
{
<------>struct cnic_dev *dev = data;
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>if (!(cp->ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX))
<------><------>cnic_doirq(dev);
 
<------>cnic_chk_pkt_rings(cp);
 
<------>return 0;
}
 
static void cnic_ulp_stop_one(struct cnic_local *cp, int if_type)
{
<------>struct cnic_ulp_ops *ulp_ops;
 
<------>if (if_type == CNIC_ULP_ISCSI)
<------><------>cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
 
<------>mutex_lock(&cnic_lock);
<------>ulp_ops = rcu_dereference_protected(cp->ulp_ops[if_type],
<------><------><------><------><------>    lockdep_is_held(&cnic_lock));
<------>if (!ulp_ops) {
<------><------>mutex_unlock(&cnic_lock);
<------><------>return;
<------>}
<------>set_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
<------>mutex_unlock(&cnic_lock);
 
<------>if (test_and_clear_bit(ULP_F_START, &cp->ulp_flags[if_type]))
<------><------>ulp_ops->cnic_stop(cp->ulp_handle[if_type]);
 
<------>clear_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
}
 
static void cnic_ulp_stop(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int if_type;
 
<------>for (if_type = 0; if_type < MAX_CNIC_ULP_TYPE; if_type++)
<------><------>cnic_ulp_stop_one(cp, if_type);
}
 
static void cnic_ulp_start(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int if_type;
 
<------>for (if_type = 0; if_type < MAX_CNIC_ULP_TYPE; if_type++) {
<------><------>struct cnic_ulp_ops *ulp_ops;
 
<------><------>mutex_lock(&cnic_lock);
<------><------>ulp_ops = rcu_dereference_protected(cp->ulp_ops[if_type],
<------><------><------><------><------><------>    lockdep_is_held(&cnic_lock));
<------><------>if (!ulp_ops || !ulp_ops->cnic_start) {
<------><------><------>mutex_unlock(&cnic_lock);
<------><------><------>continue;
<------><------>}
<------><------>set_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
<------><------>mutex_unlock(&cnic_lock);
 
<------><------>if (!test_and_set_bit(ULP_F_START, &cp->ulp_flags[if_type]))
<------><------><------>ulp_ops->cnic_start(cp->ulp_handle[if_type]);
 
<------><------>clear_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
<------>}
}
 
static int cnic_copy_ulp_stats(struct cnic_dev *dev, int ulp_type)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_ulp_ops *ulp_ops;
<------>int rc;
 
<------>mutex_lock(&cnic_lock);
<------>ulp_ops = rcu_dereference_protected(cp->ulp_ops[ulp_type],
<------><------><------><------><------>    lockdep_is_held(&cnic_lock));
<------>if (ulp_ops && ulp_ops->cnic_get_stats)
<------><------>rc = ulp_ops->cnic_get_stats(cp->ulp_handle[ulp_type]);
<------>else
<------><------>rc = -ENODEV;
<------>mutex_unlock(&cnic_lock);
<------>return rc;
}
 
static int cnic_ctl(void *data, struct cnic_ctl_info *info)
{
<------>struct cnic_dev *dev = data;
<------>int ulp_type = CNIC_ULP_ISCSI;
 
<------>switch (info->cmd) {
<------>case CNIC_CTL_STOP_CMD:
<------><------>cnic_hold(dev);
 
<------><------>cnic_ulp_stop(dev);
<------><------>cnic_stop_hw(dev);
 
<------><------>cnic_put(dev);
<------><------>break;
<------>case CNIC_CTL_START_CMD:
<------><------>cnic_hold(dev);
 
<------><------>if (!cnic_start_hw(dev))
<------><------><------>cnic_ulp_start(dev);
 
<------><------>cnic_put(dev);
<------><------>break;
<------>case CNIC_CTL_STOP_ISCSI_CMD: {
<------><------>struct cnic_local *cp = dev->cnic_priv;
<------><------>set_bit(CNIC_LCL_FL_STOP_ISCSI, &cp->cnic_local_flags);
<------><------>queue_delayed_work(cnic_wq, &cp->delete_task, 0);
<------><------>break;
<------>}
<------>case CNIC_CTL_COMPLETION_CMD: {
<------><------>struct cnic_ctl_completion *comp = &info->data.comp;
<------><------>u32 cid = BNX2X_SW_CID(comp->cid);
<------><------>u32 l5_cid;
<------><------>struct cnic_local *cp = dev->cnic_priv;
 
<------><------>if (!test_bit(CNIC_F_CNIC_UP, &dev->flags))
<------><------><------>break;
 
<------><------>if (cnic_get_l5_cid(cp, cid, &l5_cid) == 0) {
<------><------><------>struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
 
<------><------><------>if (unlikely(comp->error)) {
<------><------><------><------>set_bit(CTX_FL_CID_ERROR, &ctx->ctx_flags);
<------><------><------><------>netdev_err(dev->netdev,
<------><------><------><------><------>   "CID %x CFC delete comp error %x\n",
<------><------><------><------><------>   cid, comp->error);
<------><------><------>}
 
<------><------><------>ctx->wait_cond = 1;
<------><------><------>wake_up(&ctx->waitq);
<------><------>}
<------><------>break;
<------>}
<------>case CNIC_CTL_FCOE_STATS_GET_CMD:
<------><------>ulp_type = CNIC_ULP_FCOE;
<------><------>fallthrough;
<------>case CNIC_CTL_ISCSI_STATS_GET_CMD:
<------><------>cnic_hold(dev);
<------><------>cnic_copy_ulp_stats(dev, ulp_type);
<------><------>cnic_put(dev);
<------><------>break;
 
<------>default:
<------><------>return -EINVAL;
<------>}
<------>return 0;
}
 
static void cnic_ulp_init(struct cnic_dev *dev)
{
<------>int i;
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>for (i = 0; i < MAX_CNIC_ULP_TYPE_EXT; i++) {
<------><------>struct cnic_ulp_ops *ulp_ops;
 
<------><------>mutex_lock(&cnic_lock);
<------><------>ulp_ops = cnic_ulp_tbl_prot(i);
<------><------>if (!ulp_ops || !ulp_ops->cnic_init) {
<------><------><------>mutex_unlock(&cnic_lock);
<------><------><------>continue;
<------><------>}
<------><------>ulp_get(ulp_ops);
<------><------>mutex_unlock(&cnic_lock);
 
<------><------>if (!test_and_set_bit(ULP_F_INIT, &cp->ulp_flags[i]))
<------><------><------>ulp_ops->cnic_init(dev);
 
<------><------>ulp_put(ulp_ops);
<------>}
}
 
static void cnic_ulp_exit(struct cnic_dev *dev)
{
<------>int i;
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>for (i = 0; i < MAX_CNIC_ULP_TYPE_EXT; i++) {
<------><------>struct cnic_ulp_ops *ulp_ops;
 
<------><------>mutex_lock(&cnic_lock);
<------><------>ulp_ops = cnic_ulp_tbl_prot(i);
<------><------>if (!ulp_ops || !ulp_ops->cnic_exit) {
<------><------><------>mutex_unlock(&cnic_lock);
<------><------><------>continue;
<------><------>}
<------><------>ulp_get(ulp_ops);
<------><------>mutex_unlock(&cnic_lock);
 
<------><------>if (test_and_clear_bit(ULP_F_INIT, &cp->ulp_flags[i]))
<------><------><------>ulp_ops->cnic_exit(dev);
 
<------><------>ulp_put(ulp_ops);
<------>}
}
 
static int cnic_cm_offload_pg(struct cnic_sock *csk)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct l4_kwq_offload_pg *l4kwqe;
<------>struct kwqe *wqes[1];
 
<------>l4kwqe = (struct l4_kwq_offload_pg *) &csk->kwqe1;
<------>memset(l4kwqe, 0, sizeof(*l4kwqe));
<------>wqes[0] = (struct kwqe *) l4kwqe;
 
<------>l4kwqe->op_code = L4_KWQE_OPCODE_VALUE_OFFLOAD_PG;
<------>l4kwqe->flags =
<------><------>L4_LAYER_CODE << L4_KWQ_OFFLOAD_PG_LAYER_CODE_SHIFT;
<------>l4kwqe->l2hdr_nbytes = ETH_HLEN;
 
<------>l4kwqe->da0 = csk->ha[0];
<------>l4kwqe->da1 = csk->ha[1];
<------>l4kwqe->da2 = csk->ha[2];
<------>l4kwqe->da3 = csk->ha[3];
<------>l4kwqe->da4 = csk->ha[4];
<------>l4kwqe->da5 = csk->ha[5];
 
<------>l4kwqe->sa0 = dev->mac_addr[0];
<------>l4kwqe->sa1 = dev->mac_addr[1];
<------>l4kwqe->sa2 = dev->mac_addr[2];
<------>l4kwqe->sa3 = dev->mac_addr[3];
<------>l4kwqe->sa4 = dev->mac_addr[4];
<------>l4kwqe->sa5 = dev->mac_addr[5];
 
<------>l4kwqe->etype = ETH_P_IP;
<------>l4kwqe->ipid_start = DEF_IPID_START;
<------>l4kwqe->host_opaque = csk->l5_cid;
 
<------>if (csk->vlan_id) {
<------><------>l4kwqe->pg_flags |= L4_KWQ_OFFLOAD_PG_VLAN_TAGGING;
<------><------>l4kwqe->vlan_tag = csk->vlan_id;
<------><------>l4kwqe->l2hdr_nbytes += 4;
<------>}
 
<------>return dev->submit_kwqes(dev, wqes, 1);
}
 
static int cnic_cm_update_pg(struct cnic_sock *csk)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct l4_kwq_update_pg *l4kwqe;
<------>struct kwqe *wqes[1];
 
<------>l4kwqe = (struct l4_kwq_update_pg *) &csk->kwqe1;
<------>memset(l4kwqe, 0, sizeof(*l4kwqe));
<------>wqes[0] = (struct kwqe *) l4kwqe;
 
<------>l4kwqe->opcode = L4_KWQE_OPCODE_VALUE_UPDATE_PG;
<------>l4kwqe->flags =
<------><------>L4_LAYER_CODE << L4_KWQ_UPDATE_PG_LAYER_CODE_SHIFT;
<------>l4kwqe->pg_cid = csk->pg_cid;
 
<------>l4kwqe->da0 = csk->ha[0];
<------>l4kwqe->da1 = csk->ha[1];
<------>l4kwqe->da2 = csk->ha[2];
<------>l4kwqe->da3 = csk->ha[3];
<------>l4kwqe->da4 = csk->ha[4];
<------>l4kwqe->da5 = csk->ha[5];
 
<------>l4kwqe->pg_host_opaque = csk->l5_cid;
<------>l4kwqe->pg_valids = L4_KWQ_UPDATE_PG_VALIDS_DA;
 
<------>return dev->submit_kwqes(dev, wqes, 1);
}
 
static int cnic_cm_upload_pg(struct cnic_sock *csk)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct l4_kwq_upload *l4kwqe;
<------>struct kwqe *wqes[1];
 
<------>l4kwqe = (struct l4_kwq_upload *) &csk->kwqe1;
<------>memset(l4kwqe, 0, sizeof(*l4kwqe));
<------>wqes[0] = (struct kwqe *) l4kwqe;
 
<------>l4kwqe->opcode = L4_KWQE_OPCODE_VALUE_UPLOAD_PG;
<------>l4kwqe->flags =
<------><------>L4_LAYER_CODE << L4_KWQ_UPLOAD_LAYER_CODE_SHIFT;
<------>l4kwqe->cid = csk->pg_cid;
 
<------>return dev->submit_kwqes(dev, wqes, 1);
}
 
static int cnic_cm_conn_req(struct cnic_sock *csk)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct l4_kwq_connect_req1 *l4kwqe1;
<------>struct l4_kwq_connect_req2 *l4kwqe2;
<------>struct l4_kwq_connect_req3 *l4kwqe3;
<------>struct kwqe *wqes[3];
<------>u8 tcp_flags = 0;
<------>int num_wqes = 2;
 
<------>l4kwqe1 = (struct l4_kwq_connect_req1 *) &csk->kwqe1;
<------>l4kwqe2 = (struct l4_kwq_connect_req2 *) &csk->kwqe2;
<------>l4kwqe3 = (struct l4_kwq_connect_req3 *) &csk->kwqe3;
<------>memset(l4kwqe1, 0, sizeof(*l4kwqe1));
<------>memset(l4kwqe2, 0, sizeof(*l4kwqe2));
<------>memset(l4kwqe3, 0, sizeof(*l4kwqe3));
 
<------>l4kwqe3->op_code = L4_KWQE_OPCODE_VALUE_CONNECT3;
<------>l4kwqe3->flags =
<------><------>L4_LAYER_CODE << L4_KWQ_CONNECT_REQ3_LAYER_CODE_SHIFT;
<------>l4kwqe3->ka_timeout = csk->ka_timeout;
<------>l4kwqe3->ka_interval = csk->ka_interval;
<------>l4kwqe3->ka_max_probe_count = csk->ka_max_probe_count;
<------>l4kwqe3->tos = csk->tos;
<------>l4kwqe3->ttl = csk->ttl;
<------>l4kwqe3->snd_seq_scale = csk->snd_seq_scale;
<------>l4kwqe3->pmtu = csk->mtu;
<------>l4kwqe3->rcv_buf = csk->rcv_buf;
<------>l4kwqe3->snd_buf = csk->snd_buf;
<------>l4kwqe3->seed = csk->seed;
 
<------>wqes[0] = (struct kwqe *) l4kwqe1;
<------>if (test_bit(SK_F_IPV6, &csk->flags)) {
<------><------>wqes[1] = (struct kwqe *) l4kwqe2;
<------><------>wqes[2] = (struct kwqe *) l4kwqe3;
<------><------>num_wqes = 3;
 
<------><------>l4kwqe1->conn_flags = L4_KWQ_CONNECT_REQ1_IP_V6;
<------><------>l4kwqe2->op_code = L4_KWQE_OPCODE_VALUE_CONNECT2;
<------><------>l4kwqe2->flags =
<------><------><------>L4_KWQ_CONNECT_REQ2_LINKED_WITH_NEXT |
<------><------><------>L4_LAYER_CODE << L4_KWQ_CONNECT_REQ2_LAYER_CODE_SHIFT;
<------><------>l4kwqe2->src_ip_v6_2 = be32_to_cpu(csk->src_ip[1]);
<------><------>l4kwqe2->src_ip_v6_3 = be32_to_cpu(csk->src_ip[2]);
<------><------>l4kwqe2->src_ip_v6_4 = be32_to_cpu(csk->src_ip[3]);
<------><------>l4kwqe2->dst_ip_v6_2 = be32_to_cpu(csk->dst_ip[1]);
<------><------>l4kwqe2->dst_ip_v6_3 = be32_to_cpu(csk->dst_ip[2]);
<------><------>l4kwqe2->dst_ip_v6_4 = be32_to_cpu(csk->dst_ip[3]);
<------><------>l4kwqe3->mss = l4kwqe3->pmtu - sizeof(struct ipv6hdr) -
<------><------><------>       sizeof(struct tcphdr);
<------>} else {
<------><------>wqes[1] = (struct kwqe *) l4kwqe3;
<------><------>l4kwqe3->mss = l4kwqe3->pmtu - sizeof(struct iphdr) -
<------><------><------>       sizeof(struct tcphdr);
<------>}
 
<------>l4kwqe1->op_code = L4_KWQE_OPCODE_VALUE_CONNECT1;
<------>l4kwqe1->flags =
<------><------>(L4_LAYER_CODE << L4_KWQ_CONNECT_REQ1_LAYER_CODE_SHIFT) |
<------><------> L4_KWQ_CONNECT_REQ3_LINKED_WITH_NEXT;
<------>l4kwqe1->cid = csk->cid;
<------>l4kwqe1->pg_cid = csk->pg_cid;
<------>l4kwqe1->src_ip = be32_to_cpu(csk->src_ip[0]);
<------>l4kwqe1->dst_ip = be32_to_cpu(csk->dst_ip[0]);
<------>l4kwqe1->src_port = be16_to_cpu(csk->src_port);
<------>l4kwqe1->dst_port = be16_to_cpu(csk->dst_port);
<------>if (csk->tcp_flags & SK_TCP_NO_DELAY_ACK)
<------><------>tcp_flags |= L4_KWQ_CONNECT_REQ1_NO_DELAY_ACK;
<------>if (csk->tcp_flags & SK_TCP_KEEP_ALIVE)
<------><------>tcp_flags |= L4_KWQ_CONNECT_REQ1_KEEP_ALIVE;
<------>if (csk->tcp_flags & SK_TCP_NAGLE)
<------><------>tcp_flags |= L4_KWQ_CONNECT_REQ1_NAGLE_ENABLE;
<------>if (csk->tcp_flags & SK_TCP_TIMESTAMP)
<------><------>tcp_flags |= L4_KWQ_CONNECT_REQ1_TIME_STAMP;
<------>if (csk->tcp_flags & SK_TCP_SACK)
<------><------>tcp_flags |= L4_KWQ_CONNECT_REQ1_SACK;
<------>if (csk->tcp_flags & SK_TCP_SEG_SCALING)
<------><------>tcp_flags |= L4_KWQ_CONNECT_REQ1_SEG_SCALING;
 
<------>l4kwqe1->tcp_flags = tcp_flags;
 
<------>return dev->submit_kwqes(dev, wqes, num_wqes);
}
 
static int cnic_cm_close_req(struct cnic_sock *csk)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct l4_kwq_close_req *l4kwqe;
<------>struct kwqe *wqes[1];
 
<------>l4kwqe = (struct l4_kwq_close_req *) &csk->kwqe2;
<------>memset(l4kwqe, 0, sizeof(*l4kwqe));
<------>wqes[0] = (struct kwqe *) l4kwqe;
 
<------>l4kwqe->op_code = L4_KWQE_OPCODE_VALUE_CLOSE;
<------>l4kwqe->flags = L4_LAYER_CODE << L4_KWQ_CLOSE_REQ_LAYER_CODE_SHIFT;
<------>l4kwqe->cid = csk->cid;
 
<------>return dev->submit_kwqes(dev, wqes, 1);
}
 
static int cnic_cm_abort_req(struct cnic_sock *csk)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct l4_kwq_reset_req *l4kwqe;
<------>struct kwqe *wqes[1];
 
<------>l4kwqe = (struct l4_kwq_reset_req *) &csk->kwqe2;
<------>memset(l4kwqe, 0, sizeof(*l4kwqe));
<------>wqes[0] = (struct kwqe *) l4kwqe;
 
<------>l4kwqe->op_code = L4_KWQE_OPCODE_VALUE_RESET;
<------>l4kwqe->flags = L4_LAYER_CODE << L4_KWQ_RESET_REQ_LAYER_CODE_SHIFT;
<------>l4kwqe->cid = csk->cid;
 
<------>return dev->submit_kwqes(dev, wqes, 1);
}
 
static int cnic_cm_create(struct cnic_dev *dev, int ulp_type, u32 cid,
<------><------><------>  u32 l5_cid, struct cnic_sock **csk, void *context)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_sock *csk1;
 
<------>if (l5_cid >= MAX_CM_SK_TBL_SZ)
<------><------>return -EINVAL;
 
<------>if (cp->ctx_tbl) {
<------><------>struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
 
<------><------>if (test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags))
<------><------><------>return -EAGAIN;
<------>}
 
<------>csk1 = &cp->csk_tbl[l5_cid];
<------>if (atomic_read(&csk1->ref_count))
<------><------>return -EAGAIN;
 
<------>if (test_and_set_bit(SK_F_INUSE, &csk1->flags))
<------><------>return -EBUSY;
 
<------>csk1->dev = dev;
<------>csk1->cid = cid;
<------>csk1->l5_cid = l5_cid;
<------>csk1->ulp_type = ulp_type;
<------>csk1->context = context;
 
<------>csk1->ka_timeout = DEF_KA_TIMEOUT;
<------>csk1->ka_interval = DEF_KA_INTERVAL;
<------>csk1->ka_max_probe_count = DEF_KA_MAX_PROBE_COUNT;
<------>csk1->tos = DEF_TOS;
<------>csk1->ttl = DEF_TTL;
<------>csk1->snd_seq_scale = DEF_SND_SEQ_SCALE;
<------>csk1->rcv_buf = DEF_RCV_BUF;
<------>csk1->snd_buf = DEF_SND_BUF;
<------>csk1->seed = DEF_SEED;
<------>csk1->tcp_flags = 0;
 
<------>*csk = csk1;
<------>return 0;
}
 
static void cnic_cm_cleanup(struct cnic_sock *csk)
{
<------>if (csk->src_port) {
<------><------>struct cnic_dev *dev = csk->dev;
<------><------>struct cnic_local *cp = dev->cnic_priv;
 
<------><------>cnic_free_id(&cp->csk_port_tbl, be16_to_cpu(csk->src_port));
<------><------>csk->src_port = 0;
<------>}
}
 
static void cnic_close_conn(struct cnic_sock *csk)
{
<------>if (test_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags)) {
<------><------>cnic_cm_upload_pg(csk);
<------><------>clear_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags);
<------>}
<------>cnic_cm_cleanup(csk);
}
 
static int cnic_cm_destroy(struct cnic_sock *csk)
{
<------>if (!cnic_in_use(csk))
<------><------>return -EINVAL;
 
<------>csk_hold(csk);
<------>clear_bit(SK_F_INUSE, &csk->flags);
<------>smp_mb__after_atomic();
<------>while (atomic_read(&csk->ref_count) != 1)
<------><------>msleep(1);
<------>cnic_cm_cleanup(csk);
 
<------>csk->flags = 0;
<------>csk_put(csk);
<------>return 0;
}
 
static inline u16 cnic_get_vlan(struct net_device *dev,
<------><------><------><------>struct net_device **vlan_dev)
{
<------>if (is_vlan_dev(dev)) {
<------><------>*vlan_dev = vlan_dev_real_dev(dev);
<------><------>return vlan_dev_vlan_id(dev);
<------>}
<------>*vlan_dev = dev;
<------>return 0;
}
 
static int cnic_get_v4_route(struct sockaddr_in *dst_addr,
<------><------><------>     struct dst_entry **dst)
{
#if defined(CONFIG_INET)
<------>struct rtable *rt;
 
<------>rt = ip_route_output(&init_net, dst_addr->sin_addr.s_addr, 0, 0, 0);
<------>if (!IS_ERR(rt)) {
<------><------>*dst = &rt->dst;
<------><------>return 0;
<------>}
<------>return PTR_ERR(rt);
#else
<------>return -ENETUNREACH;
#endif
}
 
static int cnic_get_v6_route(struct sockaddr_in6 *dst_addr,
<------><------><------>     struct dst_entry **dst)
{
#if IS_ENABLED(CONFIG_IPV6)
<------>struct flowi6 fl6;
 
<------>memset(&fl6, 0, sizeof(fl6));
<------>fl6.daddr = dst_addr->sin6_addr;
<------>if (ipv6_addr_type(&fl6.daddr) & IPV6_ADDR_LINKLOCAL)
<------><------>fl6.flowi6_oif = dst_addr->sin6_scope_id;
 
<------>*dst = ip6_route_output(&init_net, NULL, &fl6);
<------>if ((*dst)->error) {
<------><------>dst_release(*dst);
<------><------>*dst = NULL;
<------><------>return -ENETUNREACH;
<------>} else
<------><------>return 0;
#endif
 
<------>return -ENETUNREACH;
}
 
static struct cnic_dev *cnic_cm_select_dev(struct sockaddr_in *dst_addr,
<------><------><------><------><------>   int ulp_type)
{
<------>struct cnic_dev *dev = NULL;
<------>struct dst_entry *dst;
<------>struct net_device *netdev = NULL;
<------>int err = -ENETUNREACH;
 
<------>if (dst_addr->sin_family == AF_INET)
<------><------>err = cnic_get_v4_route(dst_addr, &dst);
<------>else if (dst_addr->sin_family == AF_INET6) {
<------><------>struct sockaddr_in6 *dst_addr6 =
<------><------><------>(struct sockaddr_in6 *) dst_addr;
 
<------><------>err = cnic_get_v6_route(dst_addr6, &dst);
<------>} else
<------><------>return NULL;
 
<------>if (err)
<------><------>return NULL;
 
<------>if (!dst->dev)
<------><------>goto done;
 
<------>cnic_get_vlan(dst->dev, &netdev);
 
<------>dev = cnic_from_netdev(netdev);
 
done:
<------>dst_release(dst);
<------>if (dev)
<------><------>cnic_put(dev);
<------>return dev;
}
 
static int cnic_resolve_addr(struct cnic_sock *csk, struct cnic_sockaddr *saddr)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>return cnic_send_nlmsg(cp, ISCSI_KEVENT_PATH_REQ, csk);
}
 
static int cnic_get_route(struct cnic_sock *csk, struct cnic_sockaddr *saddr)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int is_v6, rc = 0;
<------>struct dst_entry *dst = NULL;
<------>struct net_device *realdev;
<------>__be16 local_port;
<------>u32 port_id;
 
<------>if (saddr->local.v6.sin6_family == AF_INET6 &&
<------>    saddr->remote.v6.sin6_family == AF_INET6)
<------><------>is_v6 = 1;
<------>else if (saddr->local.v4.sin_family == AF_INET &&
<------><------> saddr->remote.v4.sin_family == AF_INET)
<------><------>is_v6 = 0;
<------>else
<------><------>return -EINVAL;
 
<------>clear_bit(SK_F_IPV6, &csk->flags);
 
<------>if (is_v6) {
<------><------>set_bit(SK_F_IPV6, &csk->flags);
<------><------>cnic_get_v6_route(&saddr->remote.v6, &dst);
 
<------><------>memcpy(&csk->dst_ip[0], &saddr->remote.v6.sin6_addr,
<------><------>       sizeof(struct in6_addr));
<------><------>csk->dst_port = saddr->remote.v6.sin6_port;
<------><------>local_port = saddr->local.v6.sin6_port;
 
<------>} else {
<------><------>cnic_get_v4_route(&saddr->remote.v4, &dst);
 
<------><------>csk->dst_ip[0] = saddr->remote.v4.sin_addr.s_addr;
<------><------>csk->dst_port = saddr->remote.v4.sin_port;
<------><------>local_port = saddr->local.v4.sin_port;
<------>}
 
<------>csk->vlan_id = 0;
<------>csk->mtu = dev->netdev->mtu;
<------>if (dst && dst->dev) {
<------><------>u16 vlan = cnic_get_vlan(dst->dev, &realdev);
<------><------>if (realdev == dev->netdev) {
<------><------><------>csk->vlan_id = vlan;
<------><------><------>csk->mtu = dst_mtu(dst);
<------><------>}
<------>}
 
<------>port_id = be16_to_cpu(local_port);
<------>if (port_id >= CNIC_LOCAL_PORT_MIN &&
<------>    port_id < CNIC_LOCAL_PORT_MAX) {
<------><------>if (cnic_alloc_id(&cp->csk_port_tbl, port_id))
<------><------><------>port_id = 0;
<------>} else
<------><------>port_id = 0;
 
<------>if (!port_id) {
<------><------>port_id = cnic_alloc_new_id(&cp->csk_port_tbl);
<------><------>if (port_id == -1) {
<------><------><------>rc = -ENOMEM;
<------><------><------>goto err_out;
<------><------>}
<------><------>local_port = cpu_to_be16(port_id);
<------>}
<------>csk->src_port = local_port;
 
err_out:
<------>dst_release(dst);
<------>return rc;
}
 
static void cnic_init_csk_state(struct cnic_sock *csk)
{
<------>csk->state = 0;
<------>clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
<------>clear_bit(SK_F_CLOSING, &csk->flags);
}
 
static int cnic_cm_connect(struct cnic_sock *csk, struct cnic_sockaddr *saddr)
{
<------>struct cnic_local *cp = csk->dev->cnic_priv;
<------>int err = 0;
 
<------>if (cp->ethdev->drv_state & CNIC_DRV_STATE_NO_ISCSI)
<------><------>return -EOPNOTSUPP;
 
<------>if (!cnic_in_use(csk))
<------><------>return -EINVAL;
 
<------>if (test_and_set_bit(SK_F_CONNECT_START, &csk->flags))
<------><------>return -EINVAL;
 
<------>cnic_init_csk_state(csk);
 
<------>err = cnic_get_route(csk, saddr);
<------>if (err)
<------><------>goto err_out;
 
<------>err = cnic_resolve_addr(csk, saddr);
<------>if (!err)
<------><------>return 0;
 
err_out:
<------>clear_bit(SK_F_CONNECT_START, &csk->flags);
<------>return err;
}
 
static int cnic_cm_abort(struct cnic_sock *csk)
{
<------>struct cnic_local *cp = csk->dev->cnic_priv;
<------>u32 opcode = L4_KCQE_OPCODE_VALUE_RESET_COMP;
 
<------>if (!cnic_in_use(csk))
<------><------>return -EINVAL;
 
<------>if (cnic_abort_prep(csk))
<------><------>return cnic_cm_abort_req(csk);
 
<------>/* Getting here means that we haven't started connect, or
<------> * connect was not successful, or it has been reset by the target.
<------> */
 
<------>cp->close_conn(csk, opcode);
<------>if (csk->state != opcode) {
<------><------>/* Wait for remote reset sequence to complete */
<------><------>while (test_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags))
<------><------><------>msleep(1);
 
<------><------>return -EALREADY;
<------>}
 
<------>return 0;
}
 
static int cnic_cm_close(struct cnic_sock *csk)
{
<------>if (!cnic_in_use(csk))
<------><------>return -EINVAL;
 
<------>if (cnic_close_prep(csk)) {
<------><------>csk->state = L4_KCQE_OPCODE_VALUE_CLOSE_COMP;
<------><------>return cnic_cm_close_req(csk);
<------>} else {
<------><------>/* Wait for remote reset sequence to complete */
<------><------>while (test_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags))
<------><------><------>msleep(1);
 
<------><------>return -EALREADY;
<------>}
<------>return 0;
}
 
static void cnic_cm_upcall(struct cnic_local *cp, struct cnic_sock *csk,
<------><------><------>   u8 opcode)
{
<------>struct cnic_ulp_ops *ulp_ops;
<------>int ulp_type = csk->ulp_type;
 
<------>rcu_read_lock();
<------>ulp_ops = rcu_dereference(cp->ulp_ops[ulp_type]);
<------>if (ulp_ops) {
<------><------>if (opcode == L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE)
<------><------><------>ulp_ops->cm_connect_complete(csk);
<------><------>else if (opcode == L4_KCQE_OPCODE_VALUE_CLOSE_COMP)
<------><------><------>ulp_ops->cm_close_complete(csk);
<------><------>else if (opcode == L4_KCQE_OPCODE_VALUE_RESET_RECEIVED)
<------><------><------>ulp_ops->cm_remote_abort(csk);
<------><------>else if (opcode == L4_KCQE_OPCODE_VALUE_RESET_COMP)
<------><------><------>ulp_ops->cm_abort_complete(csk);
<------><------>else if (opcode == L4_KCQE_OPCODE_VALUE_CLOSE_RECEIVED)
<------><------><------>ulp_ops->cm_remote_close(csk);
<------>}
<------>rcu_read_unlock();
}
 
static int cnic_cm_set_pg(struct cnic_sock *csk)
{
<------>if (cnic_offld_prep(csk)) {
<------><------>if (test_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags))
<------><------><------>cnic_cm_update_pg(csk);
<------><------>else
<------><------><------>cnic_cm_offload_pg(csk);
<------>}
<------>return 0;
}
 
static void cnic_cm_process_offld_pg(struct cnic_dev *dev, struct l4_kcq *kcqe)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>u32 l5_cid = kcqe->pg_host_opaque;
<------>u8 opcode = kcqe->op_code;
<------>struct cnic_sock *csk = &cp->csk_tbl[l5_cid];
 
<------>csk_hold(csk);
<------>if (!cnic_in_use(csk))
<------><------>goto done;
 
<------>if (opcode == L4_KCQE_OPCODE_VALUE_UPDATE_PG) {
<------><------>clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
<------><------>goto done;
<------>}
<------>/* Possible PG kcqe status:  SUCCESS, OFFLOADED_PG, or CTX_ALLOC_FAIL */
<------>if (kcqe->status == L4_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAIL) {
<------><------>clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
<------><------>cnic_cm_upcall(cp, csk,
<------><------><------>       L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
<------><------>goto done;
<------>}
 
<------>csk->pg_cid = kcqe->pg_cid;
<------>set_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags);
<------>cnic_cm_conn_req(csk);
 
done:
<------>csk_put(csk);
}
 
static void cnic_process_fcoe_term_conn(struct cnic_dev *dev, struct kcqe *kcqe)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct fcoe_kcqe *fc_kcqe = (struct fcoe_kcqe *) kcqe;
<------>u32 l5_cid = fc_kcqe->fcoe_conn_id + BNX2X_FCOE_L5_CID_BASE;
<------>struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
 
<------>ctx->timestamp = jiffies;
<------>ctx->wait_cond = 1;
<------>wake_up(&ctx->waitq);
}
 
static void cnic_cm_process_kcqe(struct cnic_dev *dev, struct kcqe *kcqe)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct l4_kcq *l4kcqe = (struct l4_kcq *) kcqe;
<------>u8 opcode = l4kcqe->op_code;
<------>u32 l5_cid;
<------>struct cnic_sock *csk;
 
<------>if (opcode == FCOE_RAMROD_CMD_ID_TERMINATE_CONN) {
<------><------>cnic_process_fcoe_term_conn(dev, kcqe);
<------><------>return;
<------>}
<------>if (opcode == L4_KCQE_OPCODE_VALUE_OFFLOAD_PG ||
<------>    opcode == L4_KCQE_OPCODE_VALUE_UPDATE_PG) {
<------><------>cnic_cm_process_offld_pg(dev, l4kcqe);
<------><------>return;
<------>}
 
<------>l5_cid = l4kcqe->conn_id;
<------>if (opcode & 0x80)
<------><------>l5_cid = l4kcqe->cid;
<------>if (l5_cid >= MAX_CM_SK_TBL_SZ)
<------><------>return;
 
<------>csk = &cp->csk_tbl[l5_cid];
<------>csk_hold(csk);
 
<------>if (!cnic_in_use(csk)) {
<------><------>csk_put(csk);
<------><------>return;
<------>}
 
<------>switch (opcode) {
<------>case L5CM_RAMROD_CMD_ID_TCP_CONNECT:
<------><------>if (l4kcqe->status != 0) {
<------><------><------>clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
<------><------><------>cnic_cm_upcall(cp, csk,
<------><------><------><------>       L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
<------><------>}
<------><------>break;
<------>case L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE:
<------><------>if (l4kcqe->status == 0)
<------><------><------>set_bit(SK_F_OFFLD_COMPLETE, &csk->flags);
<------><------>else if (l4kcqe->status ==
<------><------><------> L4_KCQE_COMPLETION_STATUS_PARITY_ERROR)
<------><------><------>set_bit(SK_F_HW_ERR, &csk->flags);
 
<------><------>smp_mb__before_atomic();
<------><------>clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
<------><------>cnic_cm_upcall(cp, csk, opcode);
<------><------>break;
 
<------>case L5CM_RAMROD_CMD_ID_CLOSE: {
<------><------>struct iscsi_kcqe *l5kcqe = (struct iscsi_kcqe *) kcqe;
 
<------><------>if (l4kcqe->status == 0 && l5kcqe->completion_status == 0)
<------><------><------>break;
 
<------><------>netdev_warn(dev->netdev, "RAMROD CLOSE compl with status 0x%x completion status 0x%x\n",
<------><------><------>    l4kcqe->status, l5kcqe->completion_status);
<------><------>opcode = L4_KCQE_OPCODE_VALUE_CLOSE_COMP;
<------>}
<------><------>fallthrough;
<------>case L4_KCQE_OPCODE_VALUE_RESET_RECEIVED:
<------>case L4_KCQE_OPCODE_VALUE_CLOSE_COMP:
<------>case L4_KCQE_OPCODE_VALUE_RESET_COMP:
<------>case L5CM_RAMROD_CMD_ID_SEARCHER_DELETE:
<------>case L5CM_RAMROD_CMD_ID_TERMINATE_OFFLOAD:
<------><------>if (l4kcqe->status == L4_KCQE_COMPLETION_STATUS_PARITY_ERROR)
<------><------><------>set_bit(SK_F_HW_ERR, &csk->flags);
 
<------><------>cp->close_conn(csk, opcode);
<------><------>break;
 
<------>case L4_KCQE_OPCODE_VALUE_CLOSE_RECEIVED:
<------><------>/* after we already sent CLOSE_REQ */
<------><------>if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags) &&
<------><------>    !test_bit(SK_F_OFFLD_COMPLETE, &csk->flags) &&
<------><------>    csk->state == L4_KCQE_OPCODE_VALUE_CLOSE_COMP)
<------><------><------>cp->close_conn(csk, L4_KCQE_OPCODE_VALUE_RESET_COMP);
<------><------>else
<------><------><------>cnic_cm_upcall(cp, csk, opcode);
<------><------>break;
<------>}
<------>csk_put(csk);
}
 
static void cnic_cm_indicate_kcqe(void *data, struct kcqe *kcqe[], u32 num)
{
<------>struct cnic_dev *dev = data;
<------>int i;
 
<------>for (i = 0; i < num; i++)
<------><------>cnic_cm_process_kcqe(dev, kcqe[i]);
}
 
static struct cnic_ulp_ops cm_ulp_ops = {
<------>.indicate_kcqes		= cnic_cm_indicate_kcqe,
};
 
static void cnic_cm_free_mem(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>kvfree(cp->csk_tbl);
<------>cp->csk_tbl = NULL;
<------>cnic_free_id_tbl(&cp->csk_port_tbl);
}
 
static int cnic_cm_alloc_mem(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>u32 port_id;
<------>int i;
 
<------>cp->csk_tbl = kvcalloc(MAX_CM_SK_TBL_SZ, sizeof(struct cnic_sock),
<------><------><------>       GFP_KERNEL);
<------>if (!cp->csk_tbl)
<------><------>return -ENOMEM;
 
<------>for (i = 0; i < MAX_CM_SK_TBL_SZ; i++)
<------><------>atomic_set(&cp->csk_tbl[i].ref_count, 0);
 
<------>port_id = prandom_u32();
<------>port_id %= CNIC_LOCAL_PORT_RANGE;
<------>if (cnic_init_id_tbl(&cp->csk_port_tbl, CNIC_LOCAL_PORT_RANGE,
<------><------><------>     CNIC_LOCAL_PORT_MIN, port_id)) {
<------><------>cnic_cm_free_mem(dev);
<------><------>return -ENOMEM;
<------>}
<------>return 0;
}
 
static int cnic_ready_to_close(struct cnic_sock *csk, u32 opcode)
{
<------>if (test_and_clear_bit(SK_F_OFFLD_COMPLETE, &csk->flags)) {
<------><------>/* Unsolicited RESET_COMP or RESET_RECEIVED */
<------><------>opcode = L4_KCQE_OPCODE_VALUE_RESET_RECEIVED;
<------><------>csk->state = opcode;
<------>}
 
<------>/* 1. If event opcode matches the expected event in csk->state
<------> * 2. If the expected event is CLOSE_COMP or RESET_COMP, we accept any
<------> *    event
<------> * 3. If the expected event is 0, meaning the connection was never
<------> *    never established, we accept the opcode from cm_abort.
<------> */
<------>if (opcode == csk->state || csk->state == 0 ||
<------>    csk->state == L4_KCQE_OPCODE_VALUE_CLOSE_COMP ||
<------>    csk->state == L4_KCQE_OPCODE_VALUE_RESET_COMP) {
<------><------>if (!test_and_set_bit(SK_F_CLOSING, &csk->flags)) {
<------><------><------>if (csk->state == 0)
<------><------><------><------>csk->state = opcode;
<------><------><------>return 1;
<------><------>}
<------>}
<------>return 0;
}
 
static void cnic_close_bnx2_conn(struct cnic_sock *csk, u32 opcode)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>if (opcode == L4_KCQE_OPCODE_VALUE_RESET_RECEIVED) {
<------><------>cnic_cm_upcall(cp, csk, opcode);
<------><------>return;
<------>}
 
<------>clear_bit(SK_F_CONNECT_START, &csk->flags);
<------>cnic_close_conn(csk);
<------>csk->state = opcode;
<------>cnic_cm_upcall(cp, csk, opcode);
}
 
static void cnic_cm_stop_bnx2_hw(struct cnic_dev *dev)
{
}
 
static int cnic_cm_init_bnx2_hw(struct cnic_dev *dev)
{
<------>u32 seed;
 
<------>seed = prandom_u32();
<------>cnic_ctx_wr(dev, 45, 0, seed);
<------>return 0;
}
 
static void cnic_close_bnx2x_conn(struct cnic_sock *csk, u32 opcode)
{
<------>struct cnic_dev *dev = csk->dev;
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_context *ctx = &cp->ctx_tbl[csk->l5_cid];
<------>union l5cm_specific_data l5_data;
<------>u32 cmd = 0;
<------>int close_complete = 0;
 
<------>switch (opcode) {
<------>case L4_KCQE_OPCODE_VALUE_RESET_RECEIVED:
<------>case L4_KCQE_OPCODE_VALUE_CLOSE_COMP:
<------>case L4_KCQE_OPCODE_VALUE_RESET_COMP:
<------><------>if (cnic_ready_to_close(csk, opcode)) {
<------><------><------>if (test_bit(SK_F_HW_ERR, &csk->flags))
<------><------><------><------>close_complete = 1;
<------><------><------>else if (test_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags))
<------><------><------><------>cmd = L5CM_RAMROD_CMD_ID_SEARCHER_DELETE;
<------><------><------>else
<------><------><------><------>close_complete = 1;
<------><------>}
<------><------>break;
<------>case L5CM_RAMROD_CMD_ID_SEARCHER_DELETE:
<------><------>cmd = L5CM_RAMROD_CMD_ID_TERMINATE_OFFLOAD;
<------><------>break;
<------>case L5CM_RAMROD_CMD_ID_TERMINATE_OFFLOAD:
<------><------>close_complete = 1;
<------><------>break;
<------>}
<------>if (cmd) {
<------><------>memset(&l5_data, 0, sizeof(l5_data));
 
<------><------>cnic_submit_kwqe_16(dev, cmd, csk->cid, ISCSI_CONNECTION_TYPE,
<------><------><------><------>    &l5_data);
<------>} else if (close_complete) {
<------><------>ctx->timestamp = jiffies;
<------><------>cnic_close_conn(csk);
<------><------>cnic_cm_upcall(cp, csk, csk->state);
<------>}
}
 
static void cnic_cm_stop_bnx2x_hw(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
 
<------>if (!cp->ctx_tbl)
<------><------>return;
 
<------>if (!netif_running(dev->netdev))
<------><------>return;
 
<------>cnic_bnx2x_delete_wait(dev, 0);
 
<------>cancel_delayed_work(&cp->delete_task);
<------>flush_workqueue(cnic_wq);
 
<------>if (atomic_read(&cp->iscsi_conn) != 0)
<------><------>netdev_warn(dev->netdev, "%d iSCSI connections not destroyed\n",
<------><------><------>    atomic_read(&cp->iscsi_conn));
}
 
static int cnic_cm_init_bnx2x_hw(struct cnic_dev *dev)
{
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u32 pfid = bp->pfid;
<------>u32 port = BP_PORT(bp);
 
<------>cnic_init_bnx2x_mac(dev);
<------>cnic_bnx2x_set_tcp_options(dev, 0, 1);
 
<------>CNIC_WR16(dev, BAR_XSTRORM_INTMEM +
<------><------>  XSTORM_ISCSI_LOCAL_VLAN_OFFSET(pfid), 0);
 
<------>CNIC_WR(dev, BAR_XSTRORM_INTMEM +
<------><------>XSTORM_TCP_GLOBAL_DEL_ACK_COUNTER_ENABLED_OFFSET(port), 1);
<------>CNIC_WR(dev, BAR_XSTRORM_INTMEM +
<------><------>XSTORM_TCP_GLOBAL_DEL_ACK_COUNTER_MAX_COUNT_OFFSET(port),
<------><------>DEF_MAX_DA_COUNT);
 
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_TCP_VARS_TTL_OFFSET(pfid), DEF_TTL);
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_TCP_VARS_TOS_OFFSET(pfid), DEF_TOS);
<------>CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
<------><------> XSTORM_ISCSI_TCP_VARS_ADV_WND_SCL_OFFSET(pfid), 2);
<------>CNIC_WR(dev, BAR_XSTRORM_INTMEM +
<------><------>XSTORM_TCP_TX_SWS_TIMER_VAL_OFFSET(pfid), DEF_SWS_TIMER);
 
<------>CNIC_WR(dev, BAR_TSTRORM_INTMEM + TSTORM_TCP_MAX_CWND_OFFSET(pfid),
<------><------>DEF_MAX_CWND);
<------>return 0;
}
 
static void cnic_delete_task(struct work_struct *work)
{
<------>struct cnic_local *cp;
<------>struct cnic_dev *dev;
<------>u32 i;
<------>int need_resched = 0;
 
<------>cp = container_of(work, struct cnic_local, delete_task.work);
<------>dev = cp->dev;
 
<------>if (test_and_clear_bit(CNIC_LCL_FL_STOP_ISCSI, &cp->cnic_local_flags)) {
<------><------>struct drv_ctl_info info;
 
<------><------>cnic_ulp_stop_one(cp, CNIC_ULP_ISCSI);
 
<------><------>memset(&info, 0, sizeof(struct drv_ctl_info));
<------><------>info.cmd = DRV_CTL_ISCSI_STOPPED_CMD;
<------><------>cp->ethdev->drv_ctl(dev->netdev, &info);
<------>}
 
<------>for (i = 0; i < cp->max_cid_space; i++) {
<------><------>struct cnic_context *ctx = &cp->ctx_tbl[i];
<------><------>int err;
 
<------><------>if (!test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags) ||
<------><------>    !test_bit(CTX_FL_DELETE_WAIT, &ctx->ctx_flags))
<------><------><------>continue;
 
<------><------>if (!time_after(jiffies, ctx->timestamp + (2 * HZ))) {
<------><------><------>need_resched = 1;
<------><------><------>continue;
<------><------>}
 
<------><------>if (!test_and_clear_bit(CTX_FL_DELETE_WAIT, &ctx->ctx_flags))
<------><------><------>continue;
 
<------><------>err = cnic_bnx2x_destroy_ramrod(dev, i);
 
<------><------>cnic_free_bnx2x_conn_resc(dev, i);
<------><------>if (!err) {
<------><------><------>if (ctx->ulp_proto_id == CNIC_ULP_ISCSI)
<------><------><------><------>atomic_dec(&cp->iscsi_conn);
 
<------><------><------>clear_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags);
<------><------>}
<------>}
 
<------>if (need_resched)
<------><------>queue_delayed_work(cnic_wq, &cp->delete_task,
<------><------><------><------>   msecs_to_jiffies(10));
 
}
 
static int cnic_cm_open(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int err;
 
<------>err = cnic_cm_alloc_mem(dev);
<------>if (err)
<------><------>return err;
 
<------>err = cp->start_cm(dev);
 
<------>if (err)
<------><------>goto err_out;
 
<------>INIT_DELAYED_WORK(&cp->delete_task, cnic_delete_task);
 
<------>dev->cm_create = cnic_cm_create;
<------>dev->cm_destroy = cnic_cm_destroy;
<------>dev->cm_connect = cnic_cm_connect;
<------>dev->cm_abort = cnic_cm_abort;
<------>dev->cm_close = cnic_cm_close;
<------>dev->cm_select_dev = cnic_cm_select_dev;
 
<------>cp->ulp_handle[CNIC_ULP_L4] = dev;
<------>rcu_assign_pointer(cp->ulp_ops[CNIC_ULP_L4], &cm_ulp_ops);
<------>return 0;
 
err_out:
<------>cnic_cm_free_mem(dev);
<------>return err;
}
 
static int cnic_cm_shutdown(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int i;
 
<------>if (!cp->csk_tbl)
<------><------>return 0;
 
<------>for (i = 0; i < MAX_CM_SK_TBL_SZ; i++) {
<------><------>struct cnic_sock *csk = &cp->csk_tbl[i];
 
<------><------>clear_bit(SK_F_INUSE, &csk->flags);
<------><------>cnic_cm_cleanup(csk);
<------>}
<------>cnic_cm_free_mem(dev);
 
<------>return 0;
}
 
static void cnic_init_context(struct cnic_dev *dev, u32 cid)
{
<------>u32 cid_addr;
<------>int i;
 
<------>cid_addr = GET_CID_ADDR(cid);
 
<------>for (i = 0; i < CTX_SIZE; i += 4)
<------><------>cnic_ctx_wr(dev, cid_addr, i, 0);
}
 
static int cnic_setup_5709_context(struct cnic_dev *dev, int valid)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>int ret = 0, i;
<------>u32 valid_bit = valid ? BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID : 0;
 
<------>if (BNX2_CHIP(cp) != BNX2_CHIP_5709)
<------><------>return 0;
 
<------>for (i = 0; i < cp->ctx_blks; i++) {
<------><------>int j;
<------><------>u32 idx = cp->ctx_arr[i].cid / cp->cids_per_blk;
<------><------>u32 val;
 
<------><------>memset(cp->ctx_arr[i].ctx, 0, CNIC_PAGE_SIZE);
 
<------><------>CNIC_WR(dev, BNX2_CTX_HOST_PAGE_TBL_DATA0,
<------><------><------>(cp->ctx_arr[i].mapping & 0xffffffff) | valid_bit);
<------><------>CNIC_WR(dev, BNX2_CTX_HOST_PAGE_TBL_DATA1,
<------><------><------>(u64) cp->ctx_arr[i].mapping >> 32);
<------><------>CNIC_WR(dev, BNX2_CTX_HOST_PAGE_TBL_CTRL, idx |
<------><------><------>BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
<------><------>for (j = 0; j < 10; j++) {
 
<------><------><------>val = CNIC_RD(dev, BNX2_CTX_HOST_PAGE_TBL_CTRL);
<------><------><------>if (!(val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ))
<------><------><------><------>break;
<------><------><------>udelay(5);
<------><------>}
<------><------>if (val & BNX2_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) {
<------><------><------>ret = -EBUSY;
<------><------><------>break;
<------><------>}
<------>}
<------>return ret;
}
 
static void cnic_free_irq(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
 
<------>if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
<------><------>cp->disable_int_sync(dev);
<------><------>tasklet_kill(&cp->cnic_irq_task);
<------><------>free_irq(ethdev->irq_arr[0].vector, dev);
<------>}
}
 
static int cnic_request_irq(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>int err;
 
<------>err = request_irq(ethdev->irq_arr[0].vector, cnic_irq, 0, "cnic", dev);
<------>if (err)
<------><------>tasklet_disable(&cp->cnic_irq_task);
 
<------>return err;
}
 
static int cnic_init_bnx2_irq(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
 
<------>if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
<------><------>int err, i = 0;
<------><------>int sblk_num = cp->status_blk_num;
<------><------>u32 base = ((sblk_num - 1) * BNX2_HC_SB_CONFIG_SIZE) +
<------><------><------>   BNX2_HC_SB_CONFIG_1;
 
<------><------>CNIC_WR(dev, base, BNX2_HC_SB_CONFIG_1_ONE_SHOT);
 
<------><------>CNIC_WR(dev, base + BNX2_HC_COMP_PROD_TRIP_OFF, (2 << 16) | 8);
<------><------>CNIC_WR(dev, base + BNX2_HC_COM_TICKS_OFF, (64 << 16) | 220);
<------><------>CNIC_WR(dev, base + BNX2_HC_CMD_TICKS_OFF, (64 << 16) | 220);
 
<------><------>cp->last_status_idx = cp->status_blk.bnx2->status_idx;
<------><------>tasklet_setup(&cp->cnic_irq_task, cnic_service_bnx2_msix);
<------><------>err = cnic_request_irq(dev);
<------><------>if (err)
<------><------><------>return err;
 
<------><------>while (cp->status_blk.bnx2->status_completion_producer_index &&
<------><------>       i < 10) {
<------><------><------>CNIC_WR(dev, BNX2_HC_COALESCE_NOW,
<------><------><------><------>1 << (11 + sblk_num));
<------><------><------>udelay(10);
<------><------><------>i++;
<------><------><------>barrier();
<------><------>}
<------><------>if (cp->status_blk.bnx2->status_completion_producer_index) {
<------><------><------>cnic_free_irq(dev);
<------><------><------>goto failed;
<------><------>}
 
<------>} else {
<------><------>struct status_block *sblk = cp->status_blk.gen;
<------><------>u32 hc_cmd = CNIC_RD(dev, BNX2_HC_COMMAND);
<------><------>int i = 0;
 
<------><------>while (sblk->status_completion_producer_index && i < 10) {
<------><------><------>CNIC_WR(dev, BNX2_HC_COMMAND,
<------><------><------><------>hc_cmd | BNX2_HC_COMMAND_COAL_NOW_WO_INT);
<------><------><------>udelay(10);
<------><------><------>i++;
<------><------><------>barrier();
<------><------>}
<------><------>if (sblk->status_completion_producer_index)
<------><------><------>goto failed;
 
<------>}
<------>return 0;
 
failed:
<------>netdev_err(dev->netdev, "KCQ index not resetting to 0\n");
<------>return -EBUSY;
}
 
static void cnic_enable_bnx2_int(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
 
<------>if (!(ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX))
<------><------>return;
 
<------>CNIC_WR(dev, BNX2_PCICFG_INT_ACK_CMD, cp->int_num |
<------><------>BNX2_PCICFG_INT_ACK_CMD_INDEX_VALID | cp->last_status_idx);
}
 
static void cnic_disable_bnx2_int_sync(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
 
<------>if (!(ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX))
<------><------>return;
 
<------>CNIC_WR(dev, BNX2_PCICFG_INT_ACK_CMD, cp->int_num |
<------><------>BNX2_PCICFG_INT_ACK_CMD_MASK_INT);
<------>CNIC_RD(dev, BNX2_PCICFG_INT_ACK_CMD);
<------>synchronize_irq(ethdev->irq_arr[0].vector);
}
 
static void cnic_init_bnx2_tx_ring(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct cnic_uio_dev *udev = cp->udev;
<------>u32 cid_addr, tx_cid, sb_id;
<------>u32 val, offset0, offset1, offset2, offset3;
<------>int i;
<------>struct bnx2_tx_bd *txbd;
<------>dma_addr_t buf_map, ring_map = udev->l2_ring_map;
<------>struct status_block *s_blk = cp->status_blk.gen;
 
<------>sb_id = cp->status_blk_num;
<------>tx_cid = 20;
<------>cp->tx_cons_ptr = &s_blk->status_tx_quick_consumer_index2;
<------>if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
<------><------>struct status_block_msix *sblk = cp->status_blk.bnx2;
 
<------><------>tx_cid = TX_TSS_CID + sb_id - 1;
<------><------>CNIC_WR(dev, BNX2_TSCH_TSS_CFG, (sb_id << 24) |
<------><------><------>(TX_TSS_CID << 7));
<------><------>cp->tx_cons_ptr = &sblk->status_tx_quick_consumer_index;
<------>}
<------>cp->tx_cons = *cp->tx_cons_ptr;
 
<------>cid_addr = GET_CID_ADDR(tx_cid);
<------>if (BNX2_CHIP(cp) == BNX2_CHIP_5709) {
<------><------>u32 cid_addr2 = GET_CID_ADDR(tx_cid + 4) + 0x40;
 
<------><------>for (i = 0; i < PHY_CTX_SIZE; i += 4)
<------><------><------>cnic_ctx_wr(dev, cid_addr2, i, 0);
 
<------><------>offset0 = BNX2_L2CTX_TYPE_XI;
<------><------>offset1 = BNX2_L2CTX_CMD_TYPE_XI;
<------><------>offset2 = BNX2_L2CTX_TBDR_BHADDR_HI_XI;
<------><------>offset3 = BNX2_L2CTX_TBDR_BHADDR_LO_XI;
<------>} else {
<------><------>cnic_init_context(dev, tx_cid);
<------><------>cnic_init_context(dev, tx_cid + 1);
 
<------><------>offset0 = BNX2_L2CTX_TYPE;
<------><------>offset1 = BNX2_L2CTX_CMD_TYPE;
<------><------>offset2 = BNX2_L2CTX_TBDR_BHADDR_HI;
<------><------>offset3 = BNX2_L2CTX_TBDR_BHADDR_LO;
<------>}
<------>val = BNX2_L2CTX_TYPE_TYPE_L2 | BNX2_L2CTX_TYPE_SIZE_L2;
<------>cnic_ctx_wr(dev, cid_addr, offset0, val);
 
<------>val = BNX2_L2CTX_CMD_TYPE_TYPE_L2 | (8 << 16);
<------>cnic_ctx_wr(dev, cid_addr, offset1, val);
 
<------>txbd = udev->l2_ring;
 
<------>buf_map = udev->l2_buf_map;
<------>for (i = 0; i < BNX2_MAX_TX_DESC_CNT; i++, txbd++) {
<------><------>txbd->tx_bd_haddr_hi = (u64) buf_map >> 32;
<------><------>txbd->tx_bd_haddr_lo = (u64) buf_map & 0xffffffff;
<------>}
<------>val = (u64) ring_map >> 32;
<------>cnic_ctx_wr(dev, cid_addr, offset2, val);
<------>txbd->tx_bd_haddr_hi = val;
 
<------>val = (u64) ring_map & 0xffffffff;
<------>cnic_ctx_wr(dev, cid_addr, offset3, val);
<------>txbd->tx_bd_haddr_lo = val;
}
 
static void cnic_init_bnx2_rx_ring(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct cnic_uio_dev *udev = cp->udev;
<------>u32 cid_addr, sb_id, val, coal_reg, coal_val;
<------>int i;
<------>struct bnx2_rx_bd *rxbd;
<------>struct status_block *s_blk = cp->status_blk.gen;
<------>dma_addr_t ring_map = udev->l2_ring_map;
 
<------>sb_id = cp->status_blk_num;
<------>cnic_init_context(dev, 2);
<------>cp->rx_cons_ptr = &s_blk->status_rx_quick_consumer_index2;
<------>coal_reg = BNX2_HC_COMMAND;
<------>coal_val = CNIC_RD(dev, coal_reg);
<------>if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
<------><------>struct status_block_msix *sblk = cp->status_blk.bnx2;
 
<------><------>cp->rx_cons_ptr = &sblk->status_rx_quick_consumer_index;
<------><------>coal_reg = BNX2_HC_COALESCE_NOW;
<------><------>coal_val = 1 << (11 + sb_id);
<------>}
<------>i = 0;
<------>while (!(*cp->rx_cons_ptr != 0) && i < 10) {
<------><------>CNIC_WR(dev, coal_reg, coal_val);
<------><------>udelay(10);
<------><------>i++;
<------><------>barrier();
<------>}
<------>cp->rx_cons = *cp->rx_cons_ptr;
 
<------>cid_addr = GET_CID_ADDR(2);
<------>val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE |
<------>      BNX2_L2CTX_CTX_TYPE_SIZE_L2 | (0x02 << 8);
<------>cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_CTX_TYPE, val);
 
<------>if (sb_id == 0)
<------><------>val = 2 << BNX2_L2CTX_L2_STATUSB_NUM_SHIFT;
<------>else
<------><------>val = BNX2_L2CTX_L2_STATUSB_NUM(sb_id);
<------>cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_HOST_BDIDX, val);
 
<------>rxbd = udev->l2_ring + CNIC_PAGE_SIZE;
<------>for (i = 0; i < BNX2_MAX_RX_DESC_CNT; i++, rxbd++) {
<------><------>dma_addr_t buf_map;
<------><------>int n = (i % cp->l2_rx_ring_size) + 1;
 
<------><------>buf_map = udev->l2_buf_map + (n * cp->l2_single_buf_size);
<------><------>rxbd->rx_bd_len = cp->l2_single_buf_size;
<------><------>rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END;
<------><------>rxbd->rx_bd_haddr_hi = (u64) buf_map >> 32;
<------><------>rxbd->rx_bd_haddr_lo = (u64) buf_map & 0xffffffff;
<------>}
<------>val = (u64) (ring_map + CNIC_PAGE_SIZE) >> 32;
<------>cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val);
<------>rxbd->rx_bd_haddr_hi = val;
 
<------>val = (u64) (ring_map + CNIC_PAGE_SIZE) & 0xffffffff;
<------>cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val);
<------>rxbd->rx_bd_haddr_lo = val;
 
<------>val = cnic_reg_rd_ind(dev, BNX2_RXP_SCRATCH_RXP_FLOOD);
<------>cnic_reg_wr_ind(dev, BNX2_RXP_SCRATCH_RXP_FLOOD, val | (1 << 2));
}
 
static void cnic_shutdown_bnx2_rx_ring(struct cnic_dev *dev)
{
<------>struct kwqe *wqes[1], l2kwqe;
 
<------>memset(&l2kwqe, 0, sizeof(l2kwqe));
<------>wqes[0] = &l2kwqe;
<------>l2kwqe.kwqe_op_flag = (L2_LAYER_CODE << KWQE_LAYER_SHIFT) |
<------><------><------>      (L2_KWQE_OPCODE_VALUE_FLUSH <<
<------><------><------>       KWQE_OPCODE_SHIFT) | 2;
<------>dev->submit_kwqes(dev, wqes, 1);
}
 
static void cnic_set_bnx2_mac(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>u32 val;
 
<------>val = cp->func << 2;
 
<------>cp->shmem_base = cnic_reg_rd_ind(dev, BNX2_SHM_HDR_ADDR_0 + val);
 
<------>val = cnic_reg_rd_ind(dev, cp->shmem_base +
<------><------><------>      BNX2_PORT_HW_CFG_ISCSI_MAC_UPPER);
<------>dev->mac_addr[0] = (u8) (val >> 8);
<------>dev->mac_addr[1] = (u8) val;
 
<------>CNIC_WR(dev, BNX2_EMAC_MAC_MATCH4, val);
 
<------>val = cnic_reg_rd_ind(dev, cp->shmem_base +
<------><------><------>      BNX2_PORT_HW_CFG_ISCSI_MAC_LOWER);
<------>dev->mac_addr[2] = (u8) (val >> 24);
<------>dev->mac_addr[3] = (u8) (val >> 16);
<------>dev->mac_addr[4] = (u8) (val >> 8);
<------>dev->mac_addr[5] = (u8) val;
 
<------>CNIC_WR(dev, BNX2_EMAC_MAC_MATCH5, val);
 
<------>val = 4 | BNX2_RPM_SORT_USER2_BC_EN;
<------>if (BNX2_CHIP(cp) != BNX2_CHIP_5709)
<------><------>val |= BNX2_RPM_SORT_USER2_PROM_VLAN;
 
<------>CNIC_WR(dev, BNX2_RPM_SORT_USER2, 0x0);
<------>CNIC_WR(dev, BNX2_RPM_SORT_USER2, val);
<------>CNIC_WR(dev, BNX2_RPM_SORT_USER2, val | BNX2_RPM_SORT_USER2_ENA);
}
 
static int cnic_start_bnx2_hw(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>struct status_block *sblk = cp->status_blk.gen;
<------>u32 val, kcq_cid_addr, kwq_cid_addr;
<------>int err;
 
<------>cnic_set_bnx2_mac(dev);
 
<------>val = CNIC_RD(dev, BNX2_MQ_CONFIG);
<------>val &= ~BNX2_MQ_CONFIG_KNL_BYP_BLK_SIZE;
<------>if (CNIC_PAGE_BITS > 12)
<------><------>val |= (12 - 8)  << 4;
<------>else
<------><------>val |= (CNIC_PAGE_BITS - 8)  << 4;
 
<------>CNIC_WR(dev, BNX2_MQ_CONFIG, val);
 
<------>CNIC_WR(dev, BNX2_HC_COMP_PROD_TRIP, (2 << 16) | 8);
<------>CNIC_WR(dev, BNX2_HC_COM_TICKS, (64 << 16) | 220);
<------>CNIC_WR(dev, BNX2_HC_CMD_TICKS, (64 << 16) | 220);
 
<------>err = cnic_setup_5709_context(dev, 1);
<------>if (err)
<------><------>return err;
 
<------>cnic_init_context(dev, KWQ_CID);
<------>cnic_init_context(dev, KCQ_CID);
 
<------>kwq_cid_addr = GET_CID_ADDR(KWQ_CID);
<------>cp->kwq_io_addr = MB_GET_CID_ADDR(KWQ_CID) + L5_KRNLQ_HOST_QIDX;
 
<------>cp->max_kwq_idx = MAX_KWQ_IDX;
<------>cp->kwq_prod_idx = 0;
<------>cp->kwq_con_idx = 0;
<------>set_bit(CNIC_LCL_FL_KWQ_INIT, &cp->cnic_local_flags);
 
<------>if (BNX2_CHIP(cp) == BNX2_CHIP_5706 || BNX2_CHIP(cp) == BNX2_CHIP_5708)
<------><------>cp->kwq_con_idx_ptr = &sblk->status_rx_quick_consumer_index15;
<------>else
<------><------>cp->kwq_con_idx_ptr = &sblk->status_cmd_consumer_index;
 
<------>/* Initialize the kernel work queue context. */
<------>val = KRNLQ_TYPE_TYPE_KRNLQ | KRNLQ_SIZE_TYPE_SIZE |
<------>      (CNIC_PAGE_BITS - 8) | KRNLQ_FLAGS_QE_SELF_SEQ;
<------>cnic_ctx_wr(dev, kwq_cid_addr, L5_KRNLQ_TYPE, val);
 
<------>val = (CNIC_PAGE_SIZE / sizeof(struct kwqe) - 1) << 16;
<------>cnic_ctx_wr(dev, kwq_cid_addr, L5_KRNLQ_QE_SELF_SEQ_MAX, val);
 
<------>val = ((CNIC_PAGE_SIZE / sizeof(struct kwqe)) << 16) | KWQ_PAGE_CNT;
<------>cnic_ctx_wr(dev, kwq_cid_addr, L5_KRNLQ_PGTBL_NPAGES, val);
 
<------>val = (u32) ((u64) cp->kwq_info.pgtbl_map >> 32);
<------>cnic_ctx_wr(dev, kwq_cid_addr, L5_KRNLQ_PGTBL_HADDR_HI, val);
 
<------>val = (u32) cp->kwq_info.pgtbl_map;
<------>cnic_ctx_wr(dev, kwq_cid_addr, L5_KRNLQ_PGTBL_HADDR_LO, val);
 
<------>kcq_cid_addr = GET_CID_ADDR(KCQ_CID);
<------>cp->kcq1.io_addr = MB_GET_CID_ADDR(KCQ_CID) + L5_KRNLQ_HOST_QIDX;
 
<------>cp->kcq1.sw_prod_idx = 0;
<------>cp->kcq1.hw_prod_idx_ptr =
<------><------>&sblk->status_completion_producer_index;
 
<------>cp->kcq1.status_idx_ptr = &sblk->status_idx;
 
<------>/* Initialize the kernel complete queue context. */
<------>val = KRNLQ_TYPE_TYPE_KRNLQ | KRNLQ_SIZE_TYPE_SIZE |
<------>      (CNIC_PAGE_BITS - 8) | KRNLQ_FLAGS_QE_SELF_SEQ;
<------>cnic_ctx_wr(dev, kcq_cid_addr, L5_KRNLQ_TYPE, val);
 
<------>val = (CNIC_PAGE_SIZE / sizeof(struct kcqe) - 1) << 16;
<------>cnic_ctx_wr(dev, kcq_cid_addr, L5_KRNLQ_QE_SELF_SEQ_MAX, val);
 
<------>val = ((CNIC_PAGE_SIZE / sizeof(struct kcqe)) << 16) | KCQ_PAGE_CNT;
<------>cnic_ctx_wr(dev, kcq_cid_addr, L5_KRNLQ_PGTBL_NPAGES, val);
 
<------>val = (u32) ((u64) cp->kcq1.dma.pgtbl_map >> 32);
<------>cnic_ctx_wr(dev, kcq_cid_addr, L5_KRNLQ_PGTBL_HADDR_HI, val);
 
<------>val = (u32) cp->kcq1.dma.pgtbl_map;
<------>cnic_ctx_wr(dev, kcq_cid_addr, L5_KRNLQ_PGTBL_HADDR_LO, val);
 
<------>cp->int_num = 0;
<------>if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
<------><------>struct status_block_msix *msblk = cp->status_blk.bnx2;
<------><------>u32 sb_id = cp->status_blk_num;
<------><------>u32 sb = BNX2_L2CTX_L5_STATUSB_NUM(sb_id);
 
<------><------>cp->kcq1.hw_prod_idx_ptr =
<------><------><------>&msblk->status_completion_producer_index;
<------><------>cp->kcq1.status_idx_ptr = &msblk->status_idx;
<------><------>cp->kwq_con_idx_ptr = &msblk->status_cmd_consumer_index;
<------><------>cp->int_num = sb_id << BNX2_PCICFG_INT_ACK_CMD_INT_NUM_SHIFT;
<------><------>cnic_ctx_wr(dev, kwq_cid_addr, L5_KRNLQ_HOST_QIDX, sb);
<------><------>cnic_ctx_wr(dev, kcq_cid_addr, L5_KRNLQ_HOST_QIDX, sb);
<------>}
 
<------>/* Enable Commnad Scheduler notification when we write to the
<------> * host producer index of the kernel contexts. */
<------>CNIC_WR(dev, BNX2_MQ_KNL_CMD_MASK1, 2);
 
<------>/* Enable Command Scheduler notification when we write to either
<------> * the Send Queue or Receive Queue producer indexes of the kernel
<------> * bypass contexts. */
<------>CNIC_WR(dev, BNX2_MQ_KNL_BYP_CMD_MASK1, 7);
<------>CNIC_WR(dev, BNX2_MQ_KNL_BYP_WRITE_MASK1, 7);
 
<------>/* Notify COM when the driver post an application buffer. */
<------>CNIC_WR(dev, BNX2_MQ_KNL_RX_V2P_MASK2, 0x2000);
 
<------>/* Set the CP and COM doorbells.  These two processors polls the
<------> * doorbell for a non zero value before running.  This must be done
<------> * after setting up the kernel queue contexts. */
<------>cnic_reg_wr_ind(dev, BNX2_CP_SCRATCH + 0x20, 1);
<------>cnic_reg_wr_ind(dev, BNX2_COM_SCRATCH + 0x20, 1);
 
<------>cnic_init_bnx2_tx_ring(dev);
<------>cnic_init_bnx2_rx_ring(dev);
 
<------>err = cnic_init_bnx2_irq(dev);
<------>if (err) {
<------><------>netdev_err(dev->netdev, "cnic_init_irq failed\n");
<------><------>cnic_reg_wr_ind(dev, BNX2_CP_SCRATCH + 0x20, 0);
<------><------>cnic_reg_wr_ind(dev, BNX2_COM_SCRATCH + 0x20, 0);
<------><------>return err;
<------>}
 
<------>ethdev->drv_state |= CNIC_DRV_STATE_HANDLES_IRQ;
 
<------>return 0;
}
 
static void cnic_setup_bnx2x_context(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>u32 start_offset = ethdev->ctx_tbl_offset;
<------>int i;
 
<------>for (i = 0; i < cp->ctx_blks; i++) {
<------><------>struct cnic_ctx *ctx = &cp->ctx_arr[i];
<------><------>dma_addr_t map = ctx->mapping;
 
<------><------>if (cp->ctx_align) {
<------><------><------>unsigned long mask = cp->ctx_align - 1;
 
<------><------><------>map = (map + mask) & ~mask;
<------><------>}
 
<------><------>cnic_ctx_tbl_wr(dev, start_offset + i, map);
<------>}
}
 
static int cnic_init_bnx2x_irq(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>int err = 0;
 
<------>tasklet_setup(&cp->cnic_irq_task, cnic_service_bnx2x_bh);
<------>if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX)
<------><------>err = cnic_request_irq(dev);
 
<------>return err;
}
 
static inline void cnic_storm_memset_hc_disable(struct cnic_dev *dev,
<------><------><------><------><------><------>u16 sb_id, u8 sb_index,
<------><------><------><------><------><------>u8 disable)
{
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
 
<------>u32 addr = BAR_CSTRORM_INTMEM +
<------><------><------>CSTORM_STATUS_BLOCK_DATA_OFFSET(sb_id) +
<------><------><------>offsetof(struct hc_status_block_data_e1x, index_data) +
<------><------><------>sizeof(struct hc_index_data)*sb_index +
<------><------><------>offsetof(struct hc_index_data, flags);
<------>u16 flags = CNIC_RD16(dev, addr);
<------>/* clear and set */
<------>flags &= ~HC_INDEX_DATA_HC_ENABLED;
<------>flags |= (((~disable) << HC_INDEX_DATA_HC_ENABLED_SHIFT) &
<------><------>  HC_INDEX_DATA_HC_ENABLED);
<------>CNIC_WR16(dev, addr, flags);
}
 
static void cnic_enable_bnx2x_int(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u8 sb_id = cp->status_blk_num;
 
<------>CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
<------><------><------>CSTORM_STATUS_BLOCK_DATA_OFFSET(sb_id) +
<------><------><------>offsetof(struct hc_status_block_data_e1x, index_data) +
<------><------><------>sizeof(struct hc_index_data)*HC_INDEX_ISCSI_EQ_CONS +
<------><------><------>offsetof(struct hc_index_data, timeout), 64 / 4);
<------>cnic_storm_memset_hc_disable(dev, sb_id, HC_INDEX_ISCSI_EQ_CONS, 0);
}
 
static void cnic_disable_bnx2x_int_sync(struct cnic_dev *dev)
{
}
 
static void cnic_init_bnx2x_tx_ring(struct cnic_dev *dev,
<------><------><------><------>    struct client_init_ramrod_data *data)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct cnic_uio_dev *udev = cp->udev;
<------>union eth_tx_bd_types *txbd = (union eth_tx_bd_types *) udev->l2_ring;
<------>dma_addr_t buf_map, ring_map = udev->l2_ring_map;
<------>struct host_sp_status_block *sb = cp->bnx2x_def_status_blk;
<------>int i;
<------>u32 cli = cp->ethdev->iscsi_l2_client_id;
<------>u32 val;
 
<------>memset(txbd, 0, CNIC_PAGE_SIZE);
 
<------>buf_map = udev->l2_buf_map;
<------>for (i = 0; i < BNX2_MAX_TX_DESC_CNT; i += 3, txbd += 3) {
<------><------>struct eth_tx_start_bd *start_bd = &txbd->start_bd;
<------><------>struct eth_tx_parse_bd_e1x *pbd_e1x =
<------><------><------>&((txbd + 1)->parse_bd_e1x);
<------><------>struct eth_tx_parse_bd_e2 *pbd_e2 = &((txbd + 1)->parse_bd_e2);
<------><------>struct eth_tx_bd *reg_bd = &((txbd + 2)->reg_bd);
 
<------><------>start_bd->addr_hi = cpu_to_le32((u64) buf_map >> 32);
<------><------>start_bd->addr_lo = cpu_to_le32(buf_map & 0xffffffff);
<------><------>reg_bd->addr_hi = start_bd->addr_hi;
<------><------>reg_bd->addr_lo = start_bd->addr_lo + 0x10;
<------><------>start_bd->nbytes = cpu_to_le16(0x10);
<------><------>start_bd->nbd = cpu_to_le16(3);
<------><------>start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
<------><------>start_bd->general_data &= ~ETH_TX_START_BD_PARSE_NBDS;
<------><------>start_bd->general_data |= (1 << ETH_TX_START_BD_HDR_NBDS_SHIFT);
 
<------><------>if (BNX2X_CHIP_IS_E2_PLUS(bp))
<------><------><------>pbd_e2->parsing_data = (UNICAST_ADDRESS <<
<------><------><------><------>ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE_SHIFT);
<------><------>else
<------><------><------>pbd_e1x->global_data = (UNICAST_ADDRESS <<
<------><------><------><------>ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE_SHIFT);
<------>}
 
<------>val = (u64) ring_map >> 32;
<------>txbd->next_bd.addr_hi = cpu_to_le32(val);
 
<------>data->tx.tx_bd_page_base.hi = cpu_to_le32(val);
 
<------>val = (u64) ring_map & 0xffffffff;
<------>txbd->next_bd.addr_lo = cpu_to_le32(val);
 
<------>data->tx.tx_bd_page_base.lo = cpu_to_le32(val);
 
<------>/* Other ramrod params */
<------>data->tx.tx_sb_index_number = HC_SP_INDEX_ETH_ISCSI_CQ_CONS;
<------>data->tx.tx_status_block_id = BNX2X_DEF_SB_ID;
 
<------>/* reset xstorm per client statistics */
<------>if (cli < MAX_STAT_COUNTER_ID) {
<------><------>data->general.statistics_zero_flg = 1;
<------><------>data->general.statistics_en_flg = 1;
<------><------>data->general.statistics_counter_id = cli;
<------>}
 
<------>cp->tx_cons_ptr =
<------><------>&sb->sp_sb.index_values[HC_SP_INDEX_ETH_ISCSI_CQ_CONS];
}
 
static void cnic_init_bnx2x_rx_ring(struct cnic_dev *dev,
<------><------><------><------>    struct client_init_ramrod_data *data)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct cnic_uio_dev *udev = cp->udev;
<------>struct eth_rx_bd *rxbd = (struct eth_rx_bd *) (udev->l2_ring +
<------><------><------><------>CNIC_PAGE_SIZE);
<------>struct eth_rx_cqe_next_page *rxcqe = (struct eth_rx_cqe_next_page *)
<------><------><------><------>(udev->l2_ring + (2 * CNIC_PAGE_SIZE));
<------>struct host_sp_status_block *sb = cp->bnx2x_def_status_blk;
<------>int i;
<------>u32 cli = cp->ethdev->iscsi_l2_client_id;
<------>int cl_qzone_id = BNX2X_CL_QZONE_ID(bp, cli);
<------>u32 val;
<------>dma_addr_t ring_map = udev->l2_ring_map;
 
<------>/* General data */
<------>data->general.client_id = cli;
<------>data->general.activate_flg = 1;
<------>data->general.sp_client_id = cli;
<------>data->general.mtu = cpu_to_le16(cp->l2_single_buf_size - 14);
<------>data->general.func_id = bp->pfid;
 
<------>for (i = 0; i < BNX2X_MAX_RX_DESC_CNT; i++, rxbd++) {
<------><------>dma_addr_t buf_map;
<------><------>int n = (i % cp->l2_rx_ring_size) + 1;
 
<------><------>buf_map = udev->l2_buf_map + (n * cp->l2_single_buf_size);
<------><------>rxbd->addr_hi = cpu_to_le32((u64) buf_map >> 32);
<------><------>rxbd->addr_lo = cpu_to_le32(buf_map & 0xffffffff);
<------>}
 
<------>val = (u64) (ring_map + CNIC_PAGE_SIZE) >> 32;
<------>rxbd->addr_hi = cpu_to_le32(val);
<------>data->rx.bd_page_base.hi = cpu_to_le32(val);
 
<------>val = (u64) (ring_map + CNIC_PAGE_SIZE) & 0xffffffff;
<------>rxbd->addr_lo = cpu_to_le32(val);
<------>data->rx.bd_page_base.lo = cpu_to_le32(val);
 
<------>rxcqe += BNX2X_MAX_RCQ_DESC_CNT;
<------>val = (u64) (ring_map + (2 * CNIC_PAGE_SIZE)) >> 32;
<------>rxcqe->addr_hi = cpu_to_le32(val);
<------>data->rx.cqe_page_base.hi = cpu_to_le32(val);
 
<------>val = (u64) (ring_map + (2 * CNIC_PAGE_SIZE)) & 0xffffffff;
<------>rxcqe->addr_lo = cpu_to_le32(val);
<------>data->rx.cqe_page_base.lo = cpu_to_le32(val);
 
<------>/* Other ramrod params */
<------>data->rx.client_qzone_id = cl_qzone_id;
<------>data->rx.rx_sb_index_number = HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS;
<------>data->rx.status_block_id = BNX2X_DEF_SB_ID;
 
<------>data->rx.cache_line_alignment_log_size = L1_CACHE_SHIFT;
 
<------>data->rx.max_bytes_on_bd = cpu_to_le16(cp->l2_single_buf_size);
<------>data->rx.outer_vlan_removal_enable_flg = 1;
<------>data->rx.silent_vlan_removal_flg = 1;
<------>data->rx.silent_vlan_value = 0;
<------>data->rx.silent_vlan_mask = 0xffff;
 
<------>cp->rx_cons_ptr =
<------><------>&sb->sp_sb.index_values[HC_SP_INDEX_ETH_ISCSI_RX_CQ_CONS];
<------>cp->rx_cons = *cp->rx_cons_ptr;
}
 
static void cnic_init_bnx2x_kcq(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u32 pfid = bp->pfid;
 
<------>cp->kcq1.io_addr = BAR_CSTRORM_INTMEM +
<------><------><------>   CSTORM_ISCSI_EQ_PROD_OFFSET(pfid, 0);
<------>cp->kcq1.sw_prod_idx = 0;
 
<------>if (BNX2X_CHIP_IS_E2_PLUS(bp)) {
<------><------>struct host_hc_status_block_e2 *sb = cp->status_blk.gen;
 
<------><------>cp->kcq1.hw_prod_idx_ptr =
<------><------><------>&sb->sb.index_values[HC_INDEX_ISCSI_EQ_CONS];
<------><------>cp->kcq1.status_idx_ptr =
<------><------><------>&sb->sb.running_index[SM_RX_ID];
<------>} else {
<------><------>struct host_hc_status_block_e1x *sb = cp->status_blk.gen;
 
<------><------>cp->kcq1.hw_prod_idx_ptr =
<------><------><------>&sb->sb.index_values[HC_INDEX_ISCSI_EQ_CONS];
<------><------>cp->kcq1.status_idx_ptr =
<------><------><------>&sb->sb.running_index[SM_RX_ID];
<------>}
 
<------>if (BNX2X_CHIP_IS_E2_PLUS(bp)) {
<------><------>struct host_hc_status_block_e2 *sb = cp->status_blk.gen;
 
<------><------>cp->kcq2.io_addr = BAR_USTRORM_INTMEM +
<------><------><------><------><------>USTORM_FCOE_EQ_PROD_OFFSET(pfid);
<------><------>cp->kcq2.sw_prod_idx = 0;
<------><------>cp->kcq2.hw_prod_idx_ptr =
<------><------><------>&sb->sb.index_values[HC_INDEX_FCOE_EQ_CONS];
<------><------>cp->kcq2.status_idx_ptr =
<------><------><------>&sb->sb.running_index[SM_RX_ID];
<------>}
}
 
static int cnic_start_bnx2x_hw(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>int ret;
<------>u32 pfid;
 
<------>dev->stats_addr = ethdev->addr_drv_info_to_mcp;
<------>cp->func = bp->pf_num;
 
<------>pfid = bp->pfid;
 
<------>ret = cnic_init_id_tbl(&cp->cid_tbl, MAX_ISCSI_TBL_SZ,
<------><------><------>       cp->iscsi_start_cid, 0);
 
<------>if (ret)
<------><------>return -ENOMEM;
 
<------>if (BNX2X_CHIP_IS_E2_PLUS(bp)) {
<------><------>ret = cnic_init_id_tbl(&cp->fcoe_cid_tbl, dev->max_fcoe_conn,
<------><------><------><------><------>cp->fcoe_start_cid, 0);
 
<------><------>if (ret)
<------><------><------>return -ENOMEM;
<------>}
 
<------>cp->bnx2x_igu_sb_id = ethdev->irq_arr[0].status_blk_num2;
 
<------>cnic_init_bnx2x_kcq(dev);
 
<------>/* Only 1 EQ */
<------>CNIC_WR16(dev, cp->kcq1.io_addr, MAX_KCQ_IDX);
<------>CNIC_WR(dev, BAR_CSTRORM_INTMEM +
<------><------>CSTORM_ISCSI_EQ_CONS_OFFSET(pfid, 0), 0);
<------>CNIC_WR(dev, BAR_CSTRORM_INTMEM +
<------><------>CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_OFFSET(pfid, 0),
<------><------>cp->kcq1.dma.pg_map_arr[1] & 0xffffffff);
<------>CNIC_WR(dev, BAR_CSTRORM_INTMEM +
<------><------>CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_OFFSET(pfid, 0) + 4,
<------><------>(u64) cp->kcq1.dma.pg_map_arr[1] >> 32);
<------>CNIC_WR(dev, BAR_CSTRORM_INTMEM +
<------><------>CSTORM_ISCSI_EQ_NEXT_EQE_ADDR_OFFSET(pfid, 0),
<------><------>cp->kcq1.dma.pg_map_arr[0] & 0xffffffff);
<------>CNIC_WR(dev, BAR_CSTRORM_INTMEM +
<------><------>CSTORM_ISCSI_EQ_NEXT_EQE_ADDR_OFFSET(pfid, 0) + 4,
<------><------>(u64) cp->kcq1.dma.pg_map_arr[0] >> 32);
<------>CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
<------><------>CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_VALID_OFFSET(pfid, 0), 1);
<------>CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
<------><------>CSTORM_ISCSI_EQ_SB_NUM_OFFSET(pfid, 0), cp->status_blk_num);
<------>CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
<------><------>CSTORM_ISCSI_EQ_SB_INDEX_OFFSET(pfid, 0),
<------><------>HC_INDEX_ISCSI_EQ_CONS);
 
<------>CNIC_WR(dev, BAR_USTRORM_INTMEM +
<------><------>USTORM_ISCSI_GLOBAL_BUF_PHYS_ADDR_OFFSET(pfid),
<------><------>cp->gbl_buf_info.pg_map_arr[0] & 0xffffffff);
<------>CNIC_WR(dev, BAR_USTRORM_INTMEM +
<------><------>USTORM_ISCSI_GLOBAL_BUF_PHYS_ADDR_OFFSET(pfid) + 4,
<------><------>(u64) cp->gbl_buf_info.pg_map_arr[0] >> 32);
 
<------>CNIC_WR(dev, BAR_TSTRORM_INTMEM +
<------><------>TSTORM_ISCSI_TCP_LOCAL_ADV_WND_OFFSET(pfid), DEF_RCV_BUF);
 
<------>cnic_setup_bnx2x_context(dev);
 
<------>ret = cnic_init_bnx2x_irq(dev);
<------>if (ret)
<------><------>return ret;
 
<------>ethdev->drv_state |= CNIC_DRV_STATE_HANDLES_IRQ;
<------>return 0;
}
 
static void cnic_init_rings(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>struct cnic_uio_dev *udev = cp->udev;
 
<------>if (test_bit(CNIC_LCL_FL_RINGS_INITED, &cp->cnic_local_flags))
<------><------>return;
 
<------>if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
<------><------>cnic_init_bnx2_tx_ring(dev);
<------><------>cnic_init_bnx2_rx_ring(dev);
<------><------>set_bit(CNIC_LCL_FL_RINGS_INITED, &cp->cnic_local_flags);
<------>} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
<------><------>u32 cli = cp->ethdev->iscsi_l2_client_id;
<------><------>u32 cid = cp->ethdev->iscsi_l2_cid;
<------><------>u32 cl_qzone_id;
<------><------>struct client_init_ramrod_data *data;
<------><------>union l5cm_specific_data l5_data;
<------><------>struct ustorm_eth_rx_producers rx_prods = {0};
<------><------>u32 off, i, *cid_ptr;
 
<------><------>rx_prods.bd_prod = 0;
<------><------>rx_prods.cqe_prod = BNX2X_MAX_RCQ_DESC_CNT;
<------><------>barrier();
 
<------><------>cl_qzone_id = BNX2X_CL_QZONE_ID(bp, cli);
 
<------><------>off = BAR_USTRORM_INTMEM +
<------><------><------>(BNX2X_CHIP_IS_E2_PLUS(bp) ?
<------><------><------> USTORM_RX_PRODS_E2_OFFSET(cl_qzone_id) :
<------><------><------> USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), cli));
 
<------><------>for (i = 0; i < sizeof(struct ustorm_eth_rx_producers) / 4; i++)
<------><------><------>CNIC_WR(dev, off + i * 4, ((u32 *) &rx_prods)[i]);
 
<------><------>set_bit(CNIC_LCL_FL_L2_WAIT, &cp->cnic_local_flags);
 
<------><------>data = udev->l2_buf;
<------><------>cid_ptr = udev->l2_buf + 12;
 
<------><------>memset(data, 0, sizeof(*data));
 
<------><------>cnic_init_bnx2x_tx_ring(dev, data);
<------><------>cnic_init_bnx2x_rx_ring(dev, data);
 
<------><------>data->general.fp_hsi_ver =  ETH_FP_HSI_VERSION;
 
<------><------>l5_data.phy_address.lo = udev->l2_buf_map & 0xffffffff;
<------><------>l5_data.phy_address.hi = (u64) udev->l2_buf_map >> 32;
 
<------><------>set_bit(CNIC_LCL_FL_RINGS_INITED, &cp->cnic_local_flags);
 
<------><------>cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_CLIENT_SETUP,
<------><------><------>cid, ETH_CONNECTION_TYPE, &l5_data);
 
<------><------>i = 0;
<------><------>while (test_bit(CNIC_LCL_FL_L2_WAIT, &cp->cnic_local_flags) &&
<------><------>       ++i < 10)
<------><------><------>msleep(1);
 
<------><------>if (test_bit(CNIC_LCL_FL_L2_WAIT, &cp->cnic_local_flags))
<------><------><------>netdev_err(dev->netdev,
<------><------><------><------>"iSCSI CLIENT_SETUP did not complete\n");
<------><------>cnic_spq_completion(dev, DRV_CTL_RET_L2_SPQ_CREDIT_CMD, 1);
<------><------>cnic_ring_ctl(dev, cid, cli, 1);
<------><------>*cid_ptr = cid >> 4;
<------><------>*(cid_ptr + 1) = cid * bp->db_size;
<------><------>*(cid_ptr + 2) = UIO_USE_TX_DOORBELL;
<------>}
}
 
static void cnic_shutdown_rings(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_uio_dev *udev = cp->udev;
<------>void *rx_ring;
 
<------>if (!test_bit(CNIC_LCL_FL_RINGS_INITED, &cp->cnic_local_flags))
<------><------>return;
 
<------>if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
<------><------>cnic_shutdown_bnx2_rx_ring(dev);
<------>} else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
<------><------>u32 cli = cp->ethdev->iscsi_l2_client_id;
<------><------>u32 cid = cp->ethdev->iscsi_l2_cid;
<------><------>union l5cm_specific_data l5_data;
<------><------>int i;
 
<------><------>cnic_ring_ctl(dev, cid, cli, 0);
 
<------><------>set_bit(CNIC_LCL_FL_L2_WAIT, &cp->cnic_local_flags);
 
<------><------>l5_data.phy_address.lo = cli;
<------><------>l5_data.phy_address.hi = 0;
<------><------>cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_HALT,
<------><------><------>cid, ETH_CONNECTION_TYPE, &l5_data);
<------><------>i = 0;
<------><------>while (test_bit(CNIC_LCL_FL_L2_WAIT, &cp->cnic_local_flags) &&
<------><------>       ++i < 10)
<------><------><------>msleep(1);
 
<------><------>if (test_bit(CNIC_LCL_FL_L2_WAIT, &cp->cnic_local_flags))
<------><------><------>netdev_err(dev->netdev,
<------><------><------><------>"iSCSI CLIENT_HALT did not complete\n");
<------><------>cnic_spq_completion(dev, DRV_CTL_RET_L2_SPQ_CREDIT_CMD, 1);
 
<------><------>memset(&l5_data, 0, sizeof(l5_data));
<------><------>cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_COMMON_CFC_DEL,
<------><------><------>cid, NONE_CONNECTION_TYPE, &l5_data);
<------><------>msleep(10);
<------>}
<------>clear_bit(CNIC_LCL_FL_RINGS_INITED, &cp->cnic_local_flags);
<------>rx_ring = udev->l2_ring + CNIC_PAGE_SIZE;
<------>memset(rx_ring, 0, CNIC_PAGE_SIZE);
}
 
static int cnic_register_netdev(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>int err;
 
<------>if (!ethdev)
<------><------>return -ENODEV;
 
<------>if (ethdev->drv_state & CNIC_DRV_STATE_REGD)
<------><------>return 0;
 
<------>err = ethdev->drv_register_cnic(dev->netdev, cp->cnic_ops, dev);
<------>if (err)
<------><------>netdev_err(dev->netdev, "register_cnic failed\n");
 
<------>/* Read iSCSI config again.  On some bnx2x device, iSCSI config
<------> * can change after firmware is downloaded.
<------> */
<------>dev->max_iscsi_conn = ethdev->max_iscsi_conn;
<------>if (ethdev->drv_state & CNIC_DRV_STATE_NO_ISCSI)
<------><------>dev->max_iscsi_conn = 0;
 
<------>return err;
}
 
static void cnic_unregister_netdev(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
 
<------>if (!ethdev)
<------><------>return;
 
<------>ethdev->drv_unregister_cnic(dev->netdev);
}
 
static int cnic_start_hw(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct cnic_eth_dev *ethdev = cp->ethdev;
<------>int err;
 
<------>if (test_bit(CNIC_F_CNIC_UP, &dev->flags))
<------><------>return -EALREADY;
 
<------>dev->regview = ethdev->io_base;
<------>pci_dev_get(dev->pcidev);
<------>cp->func = PCI_FUNC(dev->pcidev->devfn);
<------>cp->status_blk.gen = ethdev->irq_arr[0].status_blk;
<------>cp->status_blk_num = ethdev->irq_arr[0].status_blk_num;
 
<------>err = cp->alloc_resc(dev);
<------>if (err) {
<------><------>netdev_err(dev->netdev, "allocate resource failure\n");
<------><------>goto err1;
<------>}
 
<------>err = cp->start_hw(dev);
<------>if (err)
<------><------>goto err1;
 
<------>err = cnic_cm_open(dev);
<------>if (err)
<------><------>goto err1;
 
<------>set_bit(CNIC_F_CNIC_UP, &dev->flags);
 
<------>cp->enable_int(dev);
 
<------>return 0;
 
err1:
<------>if (ethdev->drv_state & CNIC_DRV_STATE_HANDLES_IRQ)
<------><------>cp->stop_hw(dev);
<------>else
<------><------>cp->free_resc(dev);
<------>pci_dev_put(dev->pcidev);
<------>return err;
}
 
static void cnic_stop_bnx2_hw(struct cnic_dev *dev)
{
<------>cnic_disable_bnx2_int_sync(dev);
 
<------>cnic_reg_wr_ind(dev, BNX2_CP_SCRATCH + 0x20, 0);
<------>cnic_reg_wr_ind(dev, BNX2_COM_SCRATCH + 0x20, 0);
 
<------>cnic_init_context(dev, KWQ_CID);
<------>cnic_init_context(dev, KCQ_CID);
 
<------>cnic_setup_5709_context(dev, 0);
<------>cnic_free_irq(dev);
 
<------>cnic_free_resc(dev);
}
 
 
static void cnic_stop_bnx2x_hw(struct cnic_dev *dev)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>u32 hc_index = HC_INDEX_ISCSI_EQ_CONS;
<------>u32 sb_id = cp->status_blk_num;
<------>u32 idx_off, syn_off;
 
<------>cnic_free_irq(dev);
 
<------>if (BNX2X_CHIP_IS_E2_PLUS(bp)) {
<------><------>idx_off = offsetof(struct hc_status_block_e2, index_values) +
<------><------><------>  (hc_index * sizeof(u16));
 
<------><------>syn_off = CSTORM_HC_SYNC_LINE_INDEX_E2_OFFSET(hc_index, sb_id);
<------>} else {
<------><------>idx_off = offsetof(struct hc_status_block_e1x, index_values) +
<------><------><------>  (hc_index * sizeof(u16));
 
<------><------>syn_off = CSTORM_HC_SYNC_LINE_INDEX_E1X_OFFSET(hc_index, sb_id);
<------>}
<------>CNIC_WR16(dev, BAR_CSTRORM_INTMEM + syn_off, 0);
<------>CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_STATUS_BLOCK_OFFSET(sb_id) +
<------><------>  idx_off, 0);
 
<------>*cp->kcq1.hw_prod_idx_ptr = 0;
<------>CNIC_WR(dev, BAR_CSTRORM_INTMEM +
<------><------>CSTORM_ISCSI_EQ_CONS_OFFSET(bp->pfid, 0), 0);
<------>CNIC_WR16(dev, cp->kcq1.io_addr, 0);
<------>cnic_free_resc(dev);
}
 
static void cnic_stop_hw(struct cnic_dev *dev)
{
<------>if (test_bit(CNIC_F_CNIC_UP, &dev->flags)) {
<------><------>struct cnic_local *cp = dev->cnic_priv;
<------><------>int i = 0;
 
<------><------>/* Need to wait for the ring shutdown event to complete
<------><------> * before clearing the CNIC_UP flag.
<------><------> */
<------><------>while (cp->udev && cp->udev->uio_dev != -1 && i < 15) {
<------><------><------>msleep(100);
<------><------><------>i++;
<------><------>}
<------><------>cnic_shutdown_rings(dev);
<------><------>cp->stop_cm(dev);
<------><------>cp->ethdev->drv_state &= ~CNIC_DRV_STATE_HANDLES_IRQ;
<------><------>clear_bit(CNIC_F_CNIC_UP, &dev->flags);
<------><------>RCU_INIT_POINTER(cp->ulp_ops[CNIC_ULP_L4], NULL);
<------><------>synchronize_rcu();
<------><------>cnic_cm_shutdown(dev);
<------><------>cp->stop_hw(dev);
<------><------>pci_dev_put(dev->pcidev);
<------>}
}
 
static void cnic_free_dev(struct cnic_dev *dev)
{
<------>int i = 0;
 
<------>while ((atomic_read(&dev->ref_count) != 0) && i < 10) {
<------><------>msleep(100);
<------><------>i++;
<------>}
<------>if (atomic_read(&dev->ref_count) != 0)
<------><------>netdev_err(dev->netdev, "Failed waiting for ref count to go to zero\n");
 
<------>netdev_info(dev->netdev, "Removed CNIC device\n");
<------>dev_put(dev->netdev);
<------>kfree(dev);
}
 
static int cnic_get_fc_npiv_tbl(struct cnic_dev *dev,
<------><------><------><------>struct cnic_fc_npiv_tbl *npiv_tbl)
{
<------>struct cnic_local *cp = dev->cnic_priv;
<------>struct bnx2x *bp = netdev_priv(dev->netdev);
<------>int ret;
 
<------>if (!test_bit(CNIC_F_CNIC_UP, &dev->flags))
<------><------>return -EAGAIN;     /* bnx2x is down */
 
<------>if (!BNX2X_CHIP_IS_E2_PLUS(bp))
<------><------>return -EINVAL;
 
<------>ret = cp->ethdev->drv_get_fc_npiv_tbl(dev->netdev, npiv_tbl);
<------>return ret;
}
 
static struct cnic_dev *cnic_alloc_dev(struct net_device *dev,
<------><------><------><------>       struct pci_dev *pdev)
{
<------>struct cnic_dev *cdev;
<------>struct cnic_local *cp;
<------>int alloc_size;
 
<------>alloc_size = sizeof(struct cnic_dev) + sizeof(struct cnic_local);
 
<------>cdev = kzalloc(alloc_size, GFP_KERNEL);
<------>if (cdev == NULL)
<------><------>return NULL;
 
<------>cdev->netdev = dev;
<------>cdev->cnic_priv = (char *)cdev + sizeof(struct cnic_dev);
<------>cdev->register_device = cnic_register_device;
<------>cdev->unregister_device = cnic_unregister_device;
<------>cdev->iscsi_nl_msg_recv = cnic_iscsi_nl_msg_recv;
<------>cdev->get_fc_npiv_tbl = cnic_get_fc_npiv_tbl;
<------>atomic_set(&cdev->ref_count, 0);
 
<------>cp = cdev->cnic_priv;
<------>cp->dev = cdev;
<------>cp->l2_single_buf_size = 0x400;
<------>cp->l2_rx_ring_size = 3;
 
<------>spin_lock_init(&cp->cnic_ulp_lock);
 
<------>netdev_info(dev, "Added CNIC device\n");
 
<------>return cdev;
}
 
static struct cnic_dev *init_bnx2_cnic(struct net_device *dev)
{
<------>struct pci_dev *pdev;
<------>struct cnic_dev *cdev;
<------>struct cnic_local *cp;
<------>struct bnx2 *bp = netdev_priv(dev);
<------>struct cnic_eth_dev *ethdev = NULL;
 
<------>if (bp->cnic_probe)
<------><------>ethdev = (bp->cnic_probe)(dev);
 
<------>if (!ethdev)
<------><------>return NULL;
 
<------>pdev = ethdev->pdev;
<------>if (!pdev)
<------><------>return NULL;
 
<------>dev_hold(dev);
<------>pci_dev_get(pdev);
<------>if ((pdev->device == PCI_DEVICE_ID_NX2_5709 ||
<------>     pdev->device == PCI_DEVICE_ID_NX2_5709S) &&
<------>    (pdev->revision < 0x10)) {
<------><------>pci_dev_put(pdev);
<------><------>goto cnic_err;
<------>}
<------>pci_dev_put(pdev);
 
<------>cdev = cnic_alloc_dev(dev, pdev);
<------>if (cdev == NULL)
<------><------>goto cnic_err;
 
<------>set_bit(CNIC_F_BNX2_CLASS, &cdev->flags);
<------>cdev->submit_kwqes = cnic_submit_bnx2_kwqes;
 
<------>cp = cdev->cnic_priv;
<------>cp->ethdev = ethdev;
<------>cdev->pcidev = pdev;
<------>cp->chip_id = ethdev->chip_id;
 
<------>cdev->max_iscsi_conn = ethdev->max_iscsi_conn;
 
<------>cp->cnic_ops = &cnic_bnx2_ops;
<------>cp->start_hw = cnic_start_bnx2_hw;
<------>cp->stop_hw = cnic_stop_bnx2_hw;
<------>cp->setup_pgtbl = cnic_setup_page_tbl;
<------>cp->alloc_resc = cnic_alloc_bnx2_resc;
<------>cp->free_resc = cnic_free_resc;
<------>cp->start_cm = cnic_cm_init_bnx2_hw;
<------>cp->stop_cm = cnic_cm_stop_bnx2_hw;
<------>cp->enable_int = cnic_enable_bnx2_int;
<------>cp->disable_int_sync = cnic_disable_bnx2_int_sync;
<------>cp->close_conn = cnic_close_bnx2_conn;
<------>return cdev;
 
cnic_err:
<------>dev_put(dev);
<------>return NULL;
}
 
static struct cnic_dev *init_bnx2x_cnic(struct net_device *dev)
{
<------>struct pci_dev *pdev;
<------>struct cnic_dev *cdev;
<------>struct cnic_local *cp;
<------>struct bnx2x *bp = netdev_priv(dev);
<------>struct cnic_eth_dev *ethdev = NULL;
 
<------>if (bp->cnic_probe)
<------><------>ethdev = bp->cnic_probe(dev);
 
<------>if (!ethdev)
<------><------>return NULL;
 
<------>pdev = ethdev->pdev;
<------>if (!pdev)
<------><------>return NULL;
 
<------>dev_hold(dev);
<------>cdev = cnic_alloc_dev(dev, pdev);
<------>if (cdev == NULL) {
<------><------>dev_put(dev);
<------><------>return NULL;
<------>}
 
<------>set_bit(CNIC_F_BNX2X_CLASS, &cdev->flags);
<------>cdev->submit_kwqes = cnic_submit_bnx2x_kwqes;
 
<------>cp = cdev->cnic_priv;
<------>cp->ethdev = ethdev;
<------>cdev->pcidev = pdev;
<------>cp->chip_id = ethdev->chip_id;
 
<------>cdev->stats_addr = ethdev->addr_drv_info_to_mcp;
 
<------>if (!(ethdev->drv_state & CNIC_DRV_STATE_NO_ISCSI))
<------><------>cdev->max_iscsi_conn = ethdev->max_iscsi_conn;
<------>if (CNIC_SUPPORTS_FCOE(bp)) {
<------><------>cdev->max_fcoe_conn = ethdev->max_fcoe_conn;
<------><------>cdev->max_fcoe_exchanges = ethdev->max_fcoe_exchanges;
<------>}
 
<------>if (cdev->max_fcoe_conn > BNX2X_FCOE_NUM_CONNECTIONS)
<------><------>cdev->max_fcoe_conn = BNX2X_FCOE_NUM_CONNECTIONS;
 
<------>memcpy(cdev->mac_addr, ethdev->iscsi_mac, ETH_ALEN);
 
<------>cp->cnic_ops = &cnic_bnx2x_ops;
<------>cp->start_hw = cnic_start_bnx2x_hw;
<------>cp->stop_hw = cnic_stop_bnx2x_hw;
<------>cp->setup_pgtbl = cnic_setup_page_tbl_le;
<------>cp->alloc_resc = cnic_alloc_bnx2x_resc;
<------>cp->free_resc = cnic_free_resc;
<------>cp->start_cm = cnic_cm_init_bnx2x_hw;
<------>cp->stop_cm = cnic_cm_stop_bnx2x_hw;
<------>cp->enable_int = cnic_enable_bnx2x_int;
<------>cp->disable_int_sync = cnic_disable_bnx2x_int_sync;
<------>if (BNX2X_CHIP_IS_E2_PLUS(bp)) {
<------><------>cp->ack_int = cnic_ack_bnx2x_e2_msix;
<------><------>cp->arm_int = cnic_arm_bnx2x_e2_msix;
<------>} else {
<------><------>cp->ack_int = cnic_ack_bnx2x_msix;
<------><------>cp->arm_int = cnic_arm_bnx2x_msix;
<------>}
<------>cp->close_conn = cnic_close_bnx2x_conn;
<------>return cdev;
}
 
static struct cnic_dev *is_cnic_dev(struct net_device *dev)
{
<------>struct ethtool_drvinfo drvinfo;
<------>struct cnic_dev *cdev = NULL;
 
<------>if (dev->ethtool_ops && dev->ethtool_ops->get_drvinfo) {
<------><------>memset(&drvinfo, 0, sizeof(drvinfo));
<------><------>dev->ethtool_ops->get_drvinfo(dev, &drvinfo);
 
<------><------>if (!strcmp(drvinfo.driver, "bnx2"))
<------><------><------>cdev = init_bnx2_cnic(dev);
<------><------>if (!strcmp(drvinfo.driver, "bnx2x"))
<------><------><------>cdev = init_bnx2x_cnic(dev);
<------><------>if (cdev) {
<------><------><------>write_lock(&cnic_dev_lock);
<------><------><------>list_add(&cdev->list, &cnic_dev_list);
<------><------><------>write_unlock(&cnic_dev_lock);
<------><------>}
<------>}
<------>return cdev;
}
 
static void cnic_rcv_netevent(struct cnic_local *cp, unsigned long event,
<------><------><------>      u16 vlan_id)
{
<------>int if_type;
 
<------>for (if_type = 0; if_type < MAX_CNIC_ULP_TYPE; if_type++) {
<------><------>struct cnic_ulp_ops *ulp_ops;
<------><------>void *ctx;
 
<------><------>mutex_lock(&cnic_lock);
<------><------>ulp_ops = rcu_dereference_protected(cp->ulp_ops[if_type],
<------><------><------><------><------><------>lockdep_is_held(&cnic_lock));
<------><------>if (!ulp_ops || !ulp_ops->indicate_netevent) {
<------><------><------>mutex_unlock(&cnic_lock);
<------><------><------>continue;
<------><------>}
 
<------><------>ctx = cp->ulp_handle[if_type];
 
<------><------>set_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
<------><------>mutex_unlock(&cnic_lock);
 
<------><------>ulp_ops->indicate_netevent(ctx, event, vlan_id);
 
<------><------>clear_bit(ULP_F_CALL_PENDING, &cp->ulp_flags[if_type]);
<------>}
}
 
/* netdev event handler */
static int cnic_netdev_event(struct notifier_block *this, unsigned long event,
<------><------><------><------><------><------><------> void *ptr)
{
<------>struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
<------>struct cnic_dev *dev;
<------>int new_dev = 0;
 
<------>dev = cnic_from_netdev(netdev);
 
<------>if (!dev && event == NETDEV_REGISTER) {
<------><------>/* Check for the hot-plug device */
<------><------>dev = is_cnic_dev(netdev);
<------><------>if (dev) {
<------><------><------>new_dev = 1;
<------><------><------>cnic_hold(dev);
<------><------>}
<------>}
<------>if (dev) {
<------><------>struct cnic_local *cp = dev->cnic_priv;
 
<------><------>if (new_dev)
<------><------><------>cnic_ulp_init(dev);
<------><------>else if (event == NETDEV_UNREGISTER)
<------><------><------>cnic_ulp_exit(dev);
 
<------><------>if (event == NETDEV_UP) {
<------><------><------>if (cnic_register_netdev(dev) != 0) {
<------><------><------><------>cnic_put(dev);
<------><------><------><------>goto done;
<------><------><------>}
<------><------><------>if (!cnic_start_hw(dev))
<------><------><------><------>cnic_ulp_start(dev);
<------><------>}
 
<------><------>cnic_rcv_netevent(cp, event, 0);
 
<------><------>if (event == NETDEV_GOING_DOWN) {
<------><------><------>cnic_ulp_stop(dev);
<------><------><------>cnic_stop_hw(dev);
<------><------><------>cnic_unregister_netdev(dev);
<------><------>} else if (event == NETDEV_UNREGISTER) {
<------><------><------>write_lock(&cnic_dev_lock);
<------><------><------>list_del_init(&dev->list);
<------><------><------>write_unlock(&cnic_dev_lock);
 
<------><------><------>cnic_put(dev);
<------><------><------>cnic_free_dev(dev);
<------><------><------>goto done;
<------><------>}
<------><------>cnic_put(dev);
<------>} else {
<------><------>struct net_device *realdev;
<------><------>u16 vid;
 
<------><------>vid = cnic_get_vlan(netdev, &realdev);
<------><------>if (realdev) {
<------><------><------>dev = cnic_from_netdev(realdev);
<------><------><------>if (dev) {
<------><------><------><------>vid |= VLAN_CFI_MASK;	/* make non-zero */
<------><------><------><------>cnic_rcv_netevent(dev->cnic_priv, event, vid);
<------><------><------><------>cnic_put(dev);
<------><------><------>}
<------><------>}
<------>}
done:
<------>return NOTIFY_DONE;
}
 
static struct notifier_block cnic_netdev_notifier = {
<------>.notifier_call = cnic_netdev_event
};
 
static void cnic_release(void)
{
<------>struct cnic_uio_dev *udev;
 
<------>while (!list_empty(&cnic_udev_list)) {
<------><------>udev = list_entry(cnic_udev_list.next, struct cnic_uio_dev,
<------><------><------><------>  list);
<------><------>cnic_free_uio(udev);
<------>}
}
 
static int __init cnic_init(void)
{
<------>int rc = 0;
 
<------>pr_info("%s", version);
 
<------>rc = register_netdevice_notifier(&cnic_netdev_notifier);
<------>if (rc) {
<------><------>cnic_release();
<------><------>return rc;
<------>}
 
<------>cnic_wq = create_singlethread_workqueue("cnic_wq");
<------>if (!cnic_wq) {
<------><------>cnic_release();
<------><------>unregister_netdevice_notifier(&cnic_netdev_notifier);
<------><------>return -ENOMEM;
<------>}
 
<------>return 0;
}
 
static void __exit cnic_exit(void)
{
<------>unregister_netdevice_notifier(&cnic_netdev_notifier);
<------>cnic_release();
<------>destroy_workqueue(cnic_wq);
}
 
module_init(cnic_init);
module_exit(cnic_exit);