/* cnic.c: Broadcom CNIC core network driver.
*
- * Copyright (c) 2006-2009 Broadcom Corporation
+ * Copyright (c) 2006-2010 Broadcom 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
* Modified and maintained by: Michael Chan <mchan@broadcom.com>
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <net/route.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
+#include <net/ip6_checksum.h>
#include <scsi/iscsi_if.h>
#include "cnic_if.h"
#include "bnx2.h"
+#include "bnx2x_reg.h"
+#include "bnx2x_fw_defs.h"
+#include "bnx2x_hsi.h"
+#include "../scsi/bnx2i/57xx_iscsi_constants.h"
+#include "../scsi/bnx2i/57xx_iscsi_hsi.h"
#include "cnic.h"
#include "cnic_defs.h"
#define DRV_MODULE_NAME "cnic"
-#define PFX DRV_MODULE_NAME ": "
static char version[] __devinitdata =
"Broadcom NetXtreme II CNIC Driver " DRV_MODULE_NAME " v" CNIC_MODULE_VERSION " (" CNIC_MODULE_RELDATE ")\n";
static struct cnic_ulp_ops *cnic_ulp_tbl[MAX_CNIC_ULP_TYPE];
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_ctl = cnic_ctl,
};
-static void cnic_shutdown_bnx2_rx_ring(struct cnic_dev *);
-static void cnic_init_bnx2_tx_ring(struct cnic_dev *);
-static void cnic_init_bnx2_rx_ring(struct cnic_dev *);
+static struct cnic_ops cnic_bnx2x_ops = {
+ .cnic_owner = THIS_MODULE,
+ .cnic_handler = cnic_service_bnx2x,
+ .cnic_ctl = cnic_ctl,
+};
+
+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)
if (cp->uio_dev != -1)
return -EBUSY;
- cp->uio_dev = iminor(inode);
+ rtnl_lock();
+ if (!test_bit(CNIC_F_CNIC_UP, &dev->flags)) {
+ rtnl_unlock();
+ return -ENODEV;
+ }
- cnic_shutdown_bnx2_rx_ring(dev);
+ cp->uio_dev = iminor(inode);
- cnic_init_bnx2_tx_ring(dev);
- cnic_init_bnx2_rx_ring(dev);
+ cnic_init_rings(dev);
+ rtnl_unlock();
return 0;
}
struct cnic_dev *dev = uinfo->priv;
struct cnic_local *cp = dev->cnic_priv;
+ cnic_shutdown_rings(dev);
+
cp->uio_dev = -1;
return 0;
}
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;
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;
+
+ 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;
+
+ 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;
ethdev->drv_ctl(dev->netdev, &info);
}
+static int cnic_get_l5_cid(struct cnic_local *cp, u32 cid, u32 *l5_cid)
+{
+ u32 i;
+
+ for (i = 0; i < MAX_ISCSI_TBL_SZ; 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)
{
}
rcu_read_lock();
- ulp_ops = rcu_dereference(cp->ulp_ops[CNIC_ULP_ISCSI]);
+ ulp_ops = rcu_dereference(cnic_ulp_tbl[CNIC_ULP_ISCSI]);
if (ulp_ops)
ulp_ops->iscsi_nl_send_msg(cp->dev, msg_type, buf, len);
rcu_read_unlock();
if (l5_cid >= MAX_CM_SK_TBL_SZ)
break;
+ rcu_read_lock();
+ if (!rcu_dereference(cp->ulp_ops[CNIC_ULP_L4])) {
+ rc = -ENODEV;
+ rcu_read_unlock();
+ break;
+ }
csk = &cp->csk_tbl[l5_cid];
csk_hold(csk);
if (cnic_in_use(csk)) {
cnic_cm_set_pg(csk);
}
csk_put(csk);
+ rcu_read_unlock();
rc = 0;
}
}
return 0;
}
+static void cnic_uio_stop(void)
+{
+ struct cnic_dev *dev;
+
+ read_lock(&cnic_dev_lock);
+ list_for_each_entry(dev, &cnic_dev_list, list) {
+ struct cnic_local *cp = dev->cnic_priv;
+
+ if (cp->cnic_uinfo)
+ cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
+ }
+ read_unlock(&cnic_dev_lock);
+}
+
int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops)
{
struct cnic_dev *dev;
- if (ulp_type >= MAX_CNIC_ULP_TYPE) {
- printk(KERN_ERR PFX "cnic_register_driver: Bad type %d\n",
- ulp_type);
+ 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[ulp_type]) {
- printk(KERN_ERR PFX "cnic_register_driver: Type %d has already "
- "been registered\n", ulp_type);
+ pr_err("%s: Type %d has already been registered\n",
+ __func__, ulp_type);
mutex_unlock(&cnic_lock);
return -EBUSY;
}
}
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);
int cnic_unregister_driver(int ulp_type)
{
struct cnic_dev *dev;
+ struct cnic_ulp_ops *ulp_ops;
+ int i = 0;
- if (ulp_type >= MAX_CNIC_ULP_TYPE) {
- printk(KERN_ERR PFX "cnic_unregister_driver: Bad type %d\n",
- ulp_type);
+ 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[ulp_type]) {
- printk(KERN_ERR PFX "cnic_unregister_driver: Type %d has not "
- "been registered\n", ulp_type);
+ ulp_ops = cnic_ulp_tbl[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);
struct cnic_local *cp = dev->cnic_priv;
if (rcu_dereference(cp->ulp_ops[ulp_type])) {
- printk(KERN_ERR PFX "cnic_unregister_driver: Type %d "
- "still has devices registered\n", 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);
+ if (ulp_type == CNIC_ULP_ISCSI)
+ cnic_uio_stop();
+
rcu_assign_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)
+ netdev_warn(dev->netdev, "Failed waiting for ref count to go to zero\n");
return 0;
out_unlock:
struct cnic_local *cp = dev->cnic_priv;
struct cnic_ulp_ops *ulp_ops;
- if (ulp_type >= MAX_CNIC_ULP_TYPE) {
- printk(KERN_ERR PFX "cnic_register_device: Bad type %d\n",
- ulp_type);
+ 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[ulp_type] == NULL) {
- printk(KERN_ERR PFX "cnic_register_device: Driver with type %d "
- "has not been registered\n", ulp_type);
+ pr_err("%s: Driver with type %d has not been registered\n",
+ __func__, ulp_type);
mutex_unlock(&cnic_lock);
return -EAGAIN;
}
if (rcu_dereference(cp->ulp_ops[ulp_type])) {
- printk(KERN_ERR PFX "cnic_register_device: Type %d has already "
- "been registered to this device\n", ulp_type);
+ pr_err("%s: Type %d has already been registered to this device\n",
+ __func__, ulp_type);
mutex_unlock(&cnic_lock);
return -EBUSY;
}
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 >= MAX_CNIC_ULP_TYPE) {
- printk(KERN_ERR PFX "cnic_unregister_device: Bad type %d\n",
- ulp_type);
+ 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);
rcu_assign_pointer(cp->ulp_ops[ulp_type], NULL);
cnic_put(dev);
} else {
- printk(KERN_ERR PFX "cnic_unregister_device: device not "
- "registered to this ulp type %d\n", ulp_type);
+ pr_err("%s: device not registered to this ulp type %d\n",
+ __func__, ulp_type);
mutex_unlock(&cnic_lock);
return -EINVAL;
}
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");
+
return 0;
}
EXPORT_SYMBOL(cnic_unregister_driver);
for (i = 0; i < dma->num_pages; i++) {
if (dma->pg_arr[i]) {
- pci_free_consistent(dev->pcidev, BCM_PAGE_SIZE,
- dma->pg_arr[i], dma->pg_map_arr[i]);
+ dma_free_coherent(&dev->pcidev->dev, BCM_PAGE_SIZE,
+ dma->pg_arr[i], dma->pg_map_arr[i]);
dma->pg_arr[i] = NULL;
}
}
if (dma->pgtbl) {
- pci_free_consistent(dev->pcidev, dma->pgtbl_size,
- dma->pgtbl, dma->pgtbl_map);
+ dma_free_coherent(&dev->pcidev->dev, dma->pgtbl_size,
+ dma->pgtbl, dma->pgtbl_map);
dma->pgtbl = NULL;
}
kfree(dma->pg_arr);
}
}
+static void cnic_setup_page_tbl_le(struct cnic_dev *dev, struct cnic_dma *dma)
+{
+ int i;
+ u32 *page_table = dma->pgtbl;
+
+ for (i = 0; i < dma->num_pages; i++) {
+ /* Each entry needs to be in little endian format. */
+ *page_table = dma->pg_map_arr[i] & 0xffffffff;
+ page_table++;
+ *page_table = (u32) ((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)
{
dma->num_pages = pages;
for (i = 0; i < pages; i++) {
- dma->pg_arr[i] = pci_alloc_consistent(dev->pcidev,
- BCM_PAGE_SIZE,
- &dma->pg_map_arr[i]);
+ dma->pg_arr[i] = dma_alloc_coherent(&dev->pcidev->dev,
+ BCM_PAGE_SIZE,
+ &dma->pg_map_arr[i],
+ GFP_ATOMIC);
if (dma->pg_arr[i] == NULL)
goto error;
}
dma->pgtbl_size = ((pages * 8) + BCM_PAGE_SIZE - 1) &
~(BCM_PAGE_SIZE - 1);
- dma->pgtbl = pci_alloc_consistent(dev->pcidev, dma->pgtbl_size,
- &dma->pgtbl_map);
+ dma->pgtbl = dma_alloc_coherent(&dev->pcidev->dev, dma->pgtbl_size,
+ &dma->pgtbl_map, GFP_ATOMIC);
if (dma->pgtbl == NULL)
goto error;
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_resc(struct cnic_dev *dev)
{
struct cnic_local *cp = dev->cnic_priv;
int i = 0;
if (cp->cnic_uinfo) {
- cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
while (cp->uio_dev != -1 && i < 15) {
msleep(100);
i++;
}
if (cp->l2_buf) {
- pci_free_consistent(dev->pcidev, cp->l2_buf_size,
- cp->l2_buf, cp->l2_buf_map);
+ dma_free_coherent(&dev->pcidev->dev, cp->l2_buf_size,
+ cp->l2_buf, cp->l2_buf_map);
cp->l2_buf = NULL;
}
if (cp->l2_ring) {
- pci_free_consistent(dev->pcidev, cp->l2_ring_size,
- cp->l2_ring, cp->l2_ring_map);
+ dma_free_coherent(&dev->pcidev->dev, cp->l2_ring_size,
+ cp->l2_ring, cp->l2_ring_map);
cp->l2_ring = NULL;
}
- for (i = 0; i < cp->ctx_blks; i++) {
- if (cp->ctx_arr[i].ctx) {
- pci_free_consistent(dev->pcidev, cp->ctx_blk_size,
- cp->ctx_arr[i].ctx,
- cp->ctx_arr[i].mapping);
- cp->ctx_arr[i].ctx = NULL;
- }
- }
+ 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->conn_buf_info);
cnic_free_dma(dev, &cp->kwq_info);
+ cnic_free_dma(dev, &cp->kwq_16_data_info);
cnic_free_dma(dev, &cp->kcq_info);
kfree(cp->iscsi_tbl);
cp->iscsi_tbl = NULL;
for (i = 0; i < cp->ctx_blks; i++) {
cp->ctx_arr[i].ctx =
- pci_alloc_consistent(dev->pcidev, BCM_PAGE_SIZE,
- &cp->ctx_arr[i].mapping);
+ dma_alloc_coherent(&dev->pcidev->dev,
+ BCM_PAGE_SIZE,
+ &cp->ctx_arr[i].mapping,
+ GFP_KERNEL);
if (cp->ctx_arr[i].ctx == NULL)
return -ENOMEM;
}
return 0;
}
-static int cnic_alloc_bnx2_resc(struct cnic_dev *dev)
+static int cnic_alloc_l2_rings(struct cnic_dev *dev, int pages)
{
struct cnic_local *cp = dev->cnic_priv;
- struct uio_info *uinfo;
- 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_dma(dev, &cp->kcq_info, KCQ_PAGE_CNT, 1);
- if (ret)
- goto error;
- cp->kcq = (struct kcqe **) cp->kcq_info.pg_arr;
-
- ret = cnic_alloc_context(dev);
- if (ret)
- goto error;
- cp->l2_ring_size = 2 * BCM_PAGE_SIZE;
- cp->l2_ring = pci_alloc_consistent(dev->pcidev, cp->l2_ring_size,
- &cp->l2_ring_map);
+ cp->l2_ring_size = pages * BCM_PAGE_SIZE;
+ cp->l2_ring = dma_alloc_coherent(&dev->pcidev->dev, cp->l2_ring_size,
+ &cp->l2_ring_map,
+ GFP_KERNEL | __GFP_COMP);
if (!cp->l2_ring)
- goto error;
+ return -ENOMEM;
cp->l2_buf_size = (cp->l2_rx_ring_size + 1) * cp->l2_single_buf_size;
cp->l2_buf_size = PAGE_ALIGN(cp->l2_buf_size);
- cp->l2_buf = pci_alloc_consistent(dev->pcidev, cp->l2_buf_size,
- &cp->l2_buf_map);
+ cp->l2_buf = dma_alloc_coherent(&dev->pcidev->dev, cp->l2_buf_size,
+ &cp->l2_buf_map,
+ GFP_KERNEL | __GFP_COMP);
if (!cp->l2_buf)
- goto error;
+ return -ENOMEM;
+
+ return 0;
+}
+
+static int cnic_alloc_uio(struct cnic_dev *dev) {
+ struct cnic_local *cp = dev->cnic_priv;
+ struct uio_info *uinfo;
+ int ret;
uinfo = kzalloc(sizeof(*uinfo), GFP_ATOMIC);
if (!uinfo)
- goto error;
+ return -ENOMEM;
uinfo->mem[0].addr = dev->netdev->base_addr;
uinfo->mem[0].internal_addr = dev->regview;
uinfo->mem[0].size = dev->netdev->mem_end - dev->netdev->mem_start;
uinfo->mem[0].memtype = UIO_MEM_PHYS;
- uinfo->mem[1].addr = (unsigned long) cp->status_blk & 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;
+ if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
+ uinfo->mem[1].addr = (unsigned long) cp->status_blk.gen &
+ 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[1].addr = (unsigned long) cp->bnx2x_def_status_blk &
+ PAGE_MASK;
+ uinfo->mem[1].size = sizeof(struct host_def_status_block);
+
+ uinfo->name = "bnx2x_cnic";
+ }
+
uinfo->mem[1].memtype = UIO_MEM_LOGICAL;
uinfo->mem[2].addr = (unsigned long) cp->l2_ring;
uinfo->mem[3].size = cp->l2_buf_size;
uinfo->mem[3].memtype = UIO_MEM_LOGICAL;
- uinfo->name = "bnx2_cnic";
uinfo->version = CNIC_MODULE_VERSION;
uinfo->irq = UIO_IRQ_CUSTOM;
ret = uio_register_device(&dev->pcidev->dev, uinfo);
if (ret) {
kfree(uinfo);
- goto error;
+ return ret;
}
cp->cnic_uinfo = uinfo;
+ return 0;
+}
+
+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_dma(dev, &cp->kcq_info, KCQ_PAGE_CNT, 1);
+ if (ret)
+ goto error;
+ cp->kcq = (struct kcqe **) cp->kcq_info.pg_arr;
+
+ ret = cnic_alloc_context(dev);
+ if (ret)
+ goto error;
+
+ ret = cnic_alloc_l2_rings(dev, 2);
+ if (ret)
+ goto error;
+
+ ret = cnic_alloc_uio(dev);
+ if (ret)
+ goto error;
return 0;
return ret;
}
+static int cnic_alloc_bnx2x_context(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ struct cnic_eth_dev *ethdev = cp->ethdev;
+ int ctx_blk_size = cp->ethdev->ctx_blk_size;
+ int total_mem, blks, i, cid_space;
+
+ if (BNX2X_ISCSI_START_CID < ethdev->starting_cid)
+ return -EINVAL;
+
+ cid_space = MAX_ISCSI_TBL_SZ +
+ (BNX2X_ISCSI_START_CID - ethdev->starting_cid);
+
+ total_mem = BNX2X_CONTEXT_MEM_SIZE * 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 = kzalloc(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 (BNX2X_CHIP_IS_E1H(cp->chip_id))
+ 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;
+ int i, j, n, ret, pages;
+ struct cnic_dma *kwq_16_dma = &cp->kwq_16_data_info;
+
+ cp->iscsi_tbl = kzalloc(sizeof(struct cnic_iscsi) * MAX_ISCSI_TBL_SZ,
+ GFP_KERNEL);
+ if (!cp->iscsi_tbl)
+ goto error;
+
+ cp->ctx_tbl = kzalloc(sizeof(struct cnic_context) *
+ MAX_CNIC_L5_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;
+ }
+
+ pages = PAGE_ALIGN(MAX_CNIC_L5_CONTEXT * CNIC_KWQ16_DATA_SIZE) /
+ PAGE_SIZE;
+
+ ret = cnic_alloc_dma(dev, kwq_16_dma, pages, 0);
+ if (ret)
+ return -ENOMEM;
+
+ n = PAGE_SIZE / CNIC_KWQ16_DATA_SIZE;
+ for (i = 0, j = 0; i < MAX_ISCSI_TBL_SZ; 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_dma(dev, &cp->kcq_info, KCQ_PAGE_CNT, 0);
+ if (ret)
+ goto error;
+ cp->kcq = (struct kcqe **) cp->kcq_info.pg_arr;
+
+ for (i = 0; i < KCQ_PAGE_CNT; i++) {
+ struct bnx2x_bd_chain_next *next =
+ (struct bnx2x_bd_chain_next *)
+ &cp->kcq[i][MAX_KCQE_CNT];
+ int j = i + 1;
+
+ if (j >= KCQ_PAGE_CNT)
+ j = 0;
+ next->addr_hi = (u64) cp->kcq_info.pg_map_arr[j] >> 32;
+ next->addr_lo = cp->kcq_info.pg_map_arr[j] & 0xffffffff;
+ }
+
+ pages = PAGE_ALIGN(BNX2X_ISCSI_NUM_CONNECTIONS *
+ BNX2X_ISCSI_CONN_BUF_SIZE) / PAGE_SIZE;
+ ret = cnic_alloc_dma(dev, &cp->conn_buf_info, pages, 1);
+ if (ret)
+ goto error;
+
+ pages = PAGE_ALIGN(BNX2X_ISCSI_GLB_BUF_SIZE) / 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;
+
+ cp->bnx2x_def_status_blk = cp->ethdev->irq_arr[1].status_blk;
+
+ memset(cp->status_blk.bnx2x, 0, sizeof(*cp->status_blk.bnx2x));
+
+ cp->l2_rx_ring_size = 15;
+
+ ret = cnic_alloc_l2_rings(dev, 4);
+ if (ret)
+ goto error;
+
+ ret = cnic_alloc_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 -
return 0;
}
-static void service_kcqes(struct cnic_dev *dev, int num_cqes)
+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;
- int i, j;
+ struct l5cm_spe kwqe;
+ struct kwqe_16 *kwq[1];
+ int ret;
- 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 = kcqe_op_flag & KCQE_FLAGS_LAYER_MASK;
+ kwqe.hdr.conn_and_cmd_data =
+ cpu_to_le32(((cmd << SPE_HDR_CMD_ID_SHIFT) |
+ BNX2X_HW_CID(cid, cp->func)));
+ kwqe.hdr.type = cpu_to_le16(type);
+ kwqe.hdr.reserved = 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);
- if (unlikely(kcqe_op_flag & KCQE_RAMROD_COMPLETION))
+ 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 -EBUSY;
+}
+
+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 int cnic_bnx2x_iscsi_init1(struct cnic_dev *dev, struct kwqe *kwqe)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ struct iscsi_kwqe_init1 *req1 = (struct iscsi_kwqe_init1 *) kwqe;
+ int func = cp->func, pages;
+ int hq_bds;
+
+ 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 = PAGE_ALIGN(cp->hq_size) / PAGE_SIZE;
+ hq_bds = pages * (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(func),
+ req1->rq_num_wqes);
+ CNIC_WR16(dev, BAR_TSTRORM_INTMEM + TSTORM_ISCSI_PAGE_SIZE_OFFSET(func),
+ PAGE_SIZE);
+ CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(func), PAGE_SHIFT);
+ CNIC_WR16(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_NUM_OF_TASKS_OFFSET(func),
+ req1->num_tasks_per_conn);
+
+ /* init Ustorm RAM */
+ CNIC_WR16(dev, BAR_USTRORM_INTMEM +
+ USTORM_ISCSI_RQ_BUFFER_SIZE_OFFSET(func),
+ req1->rq_buffer_size);
+ CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_PAGE_SIZE_OFFSET(func),
+ PAGE_SIZE);
+ CNIC_WR8(dev, BAR_USTRORM_INTMEM +
+ USTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(func), PAGE_SHIFT);
+ CNIC_WR16(dev, BAR_USTRORM_INTMEM +
+ USTORM_ISCSI_NUM_OF_TASKS_OFFSET(func),
+ req1->num_tasks_per_conn);
+ CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_RQ_SIZE_OFFSET(func),
+ req1->rq_num_wqes);
+ CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_CQ_SIZE_OFFSET(func),
+ req1->cq_num_wqes);
+ CNIC_WR16(dev, BAR_USTRORM_INTMEM + USTORM_ISCSI_R2TQ_SIZE_OFFSET(func),
+ cp->num_iscsi_tasks * BNX2X_ISCSI_MAX_PENDING_R2TS);
+
+ /* init Xstorm RAM */
+ CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_PAGE_SIZE_OFFSET(func),
+ PAGE_SIZE);
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(func), PAGE_SHIFT);
+ CNIC_WR16(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_NUM_OF_TASKS_OFFSET(func),
+ req1->num_tasks_per_conn);
+ CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_HQ_SIZE_OFFSET(func),
+ hq_bds);
+ CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_SQ_SIZE_OFFSET(func),
+ req1->num_tasks_per_conn);
+ CNIC_WR16(dev, BAR_XSTRORM_INTMEM + XSTORM_ISCSI_R2TQ_SIZE_OFFSET(func),
+ cp->num_iscsi_tasks * BNX2X_ISCSI_MAX_PENDING_R2TS);
+
+ /* init Cstorm RAM */
+ CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_ISCSI_PAGE_SIZE_OFFSET(func),
+ PAGE_SIZE);
+ CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_PAGE_SIZE_LOG_OFFSET(func), PAGE_SHIFT);
+ CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_NUM_OF_TASKS_OFFSET(func),
+ req1->num_tasks_per_conn);
+ CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_ISCSI_CQ_SIZE_OFFSET(func),
+ req1->cq_num_wqes);
+ CNIC_WR16(dev, BAR_CSTRORM_INTMEM + CSTORM_ISCSI_HQ_SIZE_OFFSET(func),
+ hq_bds);
+
+ 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 cnic_local *cp = dev->cnic_priv;
+ int func = cp->func;
+ 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(func), req2->error_bit_map[0]);
+ CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_ERROR_BITMAP_OFFSET(func) + 4,
+ req2->error_bit_map[1]);
+
+ CNIC_WR16(dev, BAR_USTRORM_INTMEM +
+ USTORM_ISCSI_CQ_SQN_SIZE_OFFSET(func), req2->max_cq_sqn);
+ CNIC_WR(dev, BAR_USTRORM_INTMEM +
+ USTORM_ISCSI_ERROR_BITMAP_OFFSET(func), req2->error_bit_map[0]);
+ CNIC_WR(dev, BAR_USTRORM_INTMEM +
+ USTORM_ISCSI_ERROR_BITMAP_OFFSET(func) + 4,
+ req2->error_bit_map[1]);
+
+ CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_CQ_SQN_SIZE_OFFSET(func), 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);
+ 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;
+
+ cid = cnic_alloc_new_id(&cp->cid_tbl);
+ if (cid == -1) {
+ ret = -ENOMEM;
+ goto error;
+ }
+
+ ctx->cid = cid;
+ pages = PAGE_ALIGN(cp->task_array_size) / PAGE_SIZE;
+
+ ret = cnic_alloc_dma(dev, &iscsi->task_array_info, pages, 1);
+ if (ret)
+ goto error;
+
+ pages = PAGE_ALIGN(cp->r2tq_size) / PAGE_SIZE;
+ ret = cnic_alloc_dma(dev, &iscsi->r2tq_info, pages, 1);
+ if (ret)
+ goto error;
+
+ pages = PAGE_ALIGN(cp->hq_size) / 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 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(cid, cp->func);
+ struct iscsi_context *ictx;
+ struct regpair context_addr;
+ int i, j, n = 2, n_max;
+
+ 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->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 & 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->timers_context.flags |= ISCSI_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 & 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 iscsi_kcqe kcqe;
+ struct kcqe *cqes[1];
+ u32 l5_cid;
+ int ret;
+
+ 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;
+
+ if (atomic_inc_return(&cp->iscsi_conn) > dev->max_iscsi_conn) {
+ atomic_dec(&cp->iscsi_conn);
+ ret = 0;
+ goto done;
+ }
+ ret = cnic_alloc_bnx2x_conn_resc(dev, l5_cid);
+ if (ret) {
+ atomic_dec(&cp->iscsi_conn);
+ ret = 0;
+ 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(cp->ctx_tbl[l5_cid].cid,
+ cp->func);
+
+done:
+ cqes[0] = (struct kcqe *) &kcqe;
+ cnic_reply_bnx2x_kcqes(dev, CNIC_ULP_ISCSI, cqes, 1);
+ return ret;
+}
+
+
+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_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;
+ union l5cm_specific_data l5_data;
+ 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 (!(ctx->ctx_flags & CTX_FL_OFFLD_START))
+ goto skip_cfc_delete;
+
+ while (!time_after(jiffies, ctx->timestamp + (2 * HZ)))
+ msleep(250);
+
+ init_waitqueue_head(&ctx->waitq);
+ ctx->wait_cond = 0;
+ memset(&l5_data, 0, sizeof(l5_data));
+ ret = cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_CFC_DEL,
+ req->context_id,
+ ETH_CONNECTION_TYPE |
+ (1 << SPE_HDR_COMMON_RAMROD_SHIFT),
+ &l5_data);
+ if (ret == 0)
+ wait_event(ctx->waitq, ctx->wait_cond);
+
+skip_cfc_delete:
+ cnic_free_bnx2x_conn_resc(dev, l5_cid);
+
+ atomic_dec(&cp->iscsi_conn);
+
+ 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 ret;
+}
+
+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 (!(kwqe1->tcp_flags & L4_KWQ_CONNECT_REQ1_NO_DELAY_ACK))
+ tstorm_buf->params |=
+ L5CM_TSTORM_CONN_BUFFER_DELAYED_ACK_ENABLE;
+ 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->rcv_buf = kwqe3->rcv_buf;
+ tstorm_buf->snd_buf = kwqe3->snd_buf;
+ tstorm_buf->max_rt_time = 0xffffffff;
+}
+
+static void cnic_init_bnx2x_mac(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ int func = CNIC_FUNC(cp);
+ u8 *mac = dev->mac_addr;
+
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_LOCAL_MAC_ADDR0_OFFSET(func), mac[0]);
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_LOCAL_MAC_ADDR1_OFFSET(func), mac[1]);
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_LOCAL_MAC_ADDR2_OFFSET(func), mac[2]);
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_LOCAL_MAC_ADDR3_OFFSET(func), mac[3]);
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_LOCAL_MAC_ADDR4_OFFSET(func), mac[4]);
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_LOCAL_MAC_ADDR5_OFFSET(func), mac[5]);
+
+ CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(func), mac[5]);
+ CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_TCP_VARS_LSB_LOCAL_MAC_ADDR_OFFSET(func) + 1,
+ mac[4]);
+ CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(func), mac[3]);
+ CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(func) + 1,
+ mac[2]);
+ CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(func) + 2,
+ mac[1]);
+ CNIC_WR8(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_TCP_VARS_MSB_LOCAL_MAC_ADDR_OFFSET(func) + 3,
+ mac[0]);
+}
+
+static void cnic_bnx2x_set_tcp_timestamp(struct cnic_dev *dev, int tcp_ts)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ u8 xstorm_flags = XSTORM_L5CM_TCP_FLAGS_WND_SCL_EN;
+ u16 tstorm_flags = 0;
+
+ if (tcp_ts) {
+ xstorm_flags |= XSTORM_L5CM_TCP_FLAGS_TS_ENABLED;
+ tstorm_flags |= TSTORM_L5CM_TCP_FLAGS_TS_ENABLED;
+ }
+
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(cp->func), xstorm_flags);
+
+ CNIC_WR16(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_TCP_VARS_FLAGS_OFFSET(cp->func), tstorm_flags);
+}
+
+static int cnic_bnx2x_connect(struct cnic_dev *dev, struct kwqe *wqes[],
+ u32 num, int *work)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ 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(cp->func), csk->vlan_id);
+
+ cnic_bnx2x_set_tcp_timestamp(dev,
+ kwqe1->tcp_flags & L4_KWQ_CONNECT_REQ1_TIME_STAMP);
+
+ ret = cnic_submit_kwqe_16(dev, L5CM_RAMROD_CMD_ID_TCP_CONNECT,
+ kwqe1->cid, ISCSI_CONNECTION_TYPE, &l5_data);
+ if (!ret)
+ ctx->ctx_flags |= CTX_FL_OFFLD_START;
+
+ 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_submit_bnx2x_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);
+ i += work;
+ }
+ return 0;
+}
+
+static void service_kcqes(struct cnic_dev *dev, int num_cqes)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ int i, j;
+
+ 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 = kcqe_op_flag & KCQE_FLAGS_LAYER_MASK;
+
+ if (unlikely(kcqe_op_flag & KCQE_RAMROD_COMPLETION))
cnic_kwq_completion(dev, 1);
while (j < num_cqes) {
else if (kcqe_layer == KCQE_FLAGS_LAYER_MASK_L2)
goto end;
else {
- printk(KERN_ERR PFX "%s: Unknown type of KCQE(0x%x)\n",
- dev->netdev->name, kcqe_op_flag);
+ netdev_err(dev->netdev, "Unknown type of KCQE(0x%x)\n",
+ kcqe_op_flag);
goto end;
}
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_get_kcqes(struct cnic_dev *dev, u16 hw_prod, u16 *sw_prod)
{
struct cnic_local *cp = dev->cnic_priv;
return last_cnt;
}
-static void cnic_chk_bnx2_pkt_rings(struct cnic_local *cp)
+static void cnic_chk_pkt_rings(struct cnic_local *cp)
{
u16 rx_cons = *cp->rx_cons_ptr;
u16 tx_cons = *cp->tx_cons_ptr;
if (cp->tx_cons != tx_cons || cp->rx_cons != rx_cons) {
cp->tx_cons = tx_cons;
cp->rx_cons = rx_cons;
+
uio_event_notify(cp->cnic_uinfo);
}
}
cp->kcq_prod_idx = sw_prod;
- cnic_chk_bnx2_pkt_rings(cp);
+ cnic_chk_pkt_rings(cp);
return status_idx;
}
{
struct cnic_dev *dev = (struct cnic_dev *) data;
struct cnic_local *cp = dev->cnic_priv;
- struct status_block_msix *status_blk = cp->bnx2_status_blk;
+ struct status_block_msix *status_blk = cp->status_blk.bnx2;
u32 status_idx = status_blk->status_idx;
u16 hw_prod, sw_prod;
int kcqe_cnt;
CNIC_WR16(dev, cp->kcq_io_addr, sw_prod);
cp->kcq_prod_idx = sw_prod;
- cnic_chk_bnx2_pkt_rings(cp);
+ cnic_chk_pkt_rings(cp);
cp->last_status_idx = status_idx;
CNIC_WR(dev, BNX2_PCICFG_INT_ACK_CMD, cp->int_num |
if (cp->ack_int)
cp->ack_int(dev);
- prefetch(cp->status_blk);
+ prefetch(cp->status_blk.gen);
prefetch(&cp->kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags)))
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 cnic_local *cp = dev->cnic_priv;
+ u32 hc_addr = (HC_REG_COMMAND_REG + CNIC_PORT(cp) * 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_bnx2x_msix(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+
+ cnic_ack_bnx2x_int(dev, cp->status_blk_num, CSTORM_ID, 0,
+ IGU_INT_DISABLE, 0);
+}
+
+static void cnic_service_bnx2x_bh(unsigned long data)
+{
+ struct cnic_dev *dev = (struct cnic_dev *) data;
+ struct cnic_local *cp = dev->cnic_priv;
+ u16 hw_prod, sw_prod;
+ struct cstorm_status_block_c *sblk =
+ &cp->status_blk.bnx2x->c_status_block;
+ u32 status_idx = sblk->status_block_index;
+ int kcqe_cnt;
+
+ if (unlikely(!test_bit(CNIC_F_CNIC_UP, &dev->flags)))
+ return;
+
+ hw_prod = sblk->index_values[HC_INDEX_C_ISCSI_EQ_CONS];
+ hw_prod = cp->hw_idx(hw_prod);
+ sw_prod = cp->kcq_prod_idx;
+ while (sw_prod != hw_prod) {
+ kcqe_cnt = cnic_get_kcqes(dev, hw_prod, &sw_prod);
+ if (kcqe_cnt == 0)
+ goto done;
+
+ service_kcqes(dev, kcqe_cnt);
+
+ /* Tell compiler that sblk fields can change. */
+ barrier();
+ if (status_idx == sblk->status_block_index)
+ break;
+
+ status_idx = sblk->status_block_index;
+ hw_prod = sblk->index_values[HC_INDEX_C_ISCSI_EQ_CONS];
+ hw_prod = cp->hw_idx(hw_prod);
+ }
+
+done:
+ CNIC_WR16(dev, cp->kcq_io_addr, sw_prod + MAX_KCQ_IDX);
+ cnic_ack_bnx2x_int(dev, cp->status_blk_num, CSTORM_ID,
+ status_idx, IGU_INT_ENABLE, 1);
+
+ cp->kcq_prod_idx = sw_prod;
+ return;
+}
+
+static int cnic_service_bnx2x(void *data, void *status_blk)
+{
+ struct cnic_dev *dev = data;
+ struct cnic_local *cp = dev->cnic_priv;
+ u16 prod = cp->kcq_prod_idx & MAX_KCQ_IDX;
+
+ if (likely(test_bit(CNIC_F_CNIC_UP, &dev->flags))) {
+ prefetch(cp->status_blk.bnx2x);
+ prefetch(&cp->kcq[KCQ_PG(prod)][KCQ_IDX(prod)]);
+
+ tasklet_schedule(&cp->cnic_irq_task);
+ cnic_chk_pkt_rings(cp);
+ }
+
+ return 0;
+}
+
static void cnic_ulp_stop(struct cnic_dev *dev)
{
struct cnic_local *cp = dev->cnic_priv;
int if_type;
- rcu_read_lock();
+ if (cp->cnic_uinfo)
+ cnic_send_nlmsg(cp, ISCSI_KEVENT_IF_DOWN, NULL);
+
for (if_type = 0; if_type < MAX_CNIC_ULP_TYPE; if_type++) {
struct cnic_ulp_ops *ulp_ops;
- ulp_ops = rcu_dereference(cp->ulp_ops[if_type]);
- if (!ulp_ops)
+ mutex_lock(&cnic_lock);
+ ulp_ops = cp->ulp_ops[if_type];
+ if (!ulp_ops) {
+ mutex_unlock(&cnic_lock);
continue;
+ }
+ 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]);
}
- rcu_read_unlock();
}
static void cnic_ulp_start(struct cnic_dev *dev)
struct cnic_local *cp = dev->cnic_priv;
int if_type;
- rcu_read_lock();
for (if_type = 0; if_type < MAX_CNIC_ULP_TYPE; if_type++) {
struct cnic_ulp_ops *ulp_ops;
- ulp_ops = rcu_dereference(cp->ulp_ops[if_type]);
- if (!ulp_ops || !ulp_ops->cnic_start)
+ mutex_lock(&cnic_lock);
+ ulp_ops = cp->ulp_ops[if_type];
+ 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]);
}
- rcu_read_unlock();
}
static int cnic_ctl(void *data, struct cnic_ctl_info *info)
switch (info->cmd) {
case CNIC_CTL_STOP_CMD:
cnic_hold(dev);
- mutex_lock(&cnic_lock);
cnic_ulp_stop(dev);
cnic_stop_hw(dev);
- mutex_unlock(&cnic_lock);
cnic_put(dev);
break;
case CNIC_CTL_START_CMD:
cnic_hold(dev);
- mutex_lock(&cnic_lock);
if (!cnic_start_hw(dev))
cnic_ulp_start(dev);
- mutex_unlock(&cnic_lock);
cnic_put(dev);
break;
+ case CNIC_CTL_COMPLETION_CMD: {
+ u32 cid = BNX2X_SW_CID(info->data.comp.cid);
+ u32 l5_cid;
+ struct cnic_local *cp = dev->cnic_priv;
+
+ if (cnic_get_l5_cid(cp, cid, &l5_cid) == 0) {
+ struct cnic_context *ctx = &cp->ctx_tbl[l5_cid];
+
+ ctx->wait_cond = 1;
+ wake_up(&ctx->waitq);
+ }
+ break;
+ }
default:
return -EINVAL;
}
int i;
struct cnic_local *cp = dev->cnic_priv;
- rcu_read_lock();
for (i = 0; i < MAX_CNIC_ULP_TYPE_EXT; i++) {
struct cnic_ulp_ops *ulp_ops;
- ulp_ops = rcu_dereference(cnic_ulp_tbl[i]);
- if (!ulp_ops || !ulp_ops->cnic_init)
+ mutex_lock(&cnic_lock);
+ ulp_ops = cnic_ulp_tbl[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);
}
- rcu_read_unlock();
}
static void cnic_ulp_exit(struct cnic_dev *dev)
int i;
struct cnic_local *cp = dev->cnic_priv;
- rcu_read_lock();
for (i = 0; i < MAX_CNIC_ULP_TYPE_EXT; i++) {
struct cnic_ulp_ops *ulp_ops;
- ulp_ops = rcu_dereference(cnic_ulp_tbl[i]);
- if (!ulp_ops || !ulp_ops->cnic_exit)
+ mutex_lock(&cnic_lock);
+ ulp_ops = cnic_ulp_tbl[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);
}
- rcu_read_unlock();
}
static int cnic_cm_offload_pg(struct cnic_sock *csk)
l4kwqe->sa5 = dev->mac_addr[5];
l4kwqe->etype = ETH_P_IP;
- l4kwqe->ipid_count = DEF_IPID_COUNT;
+ l4kwqe->ipid_start = DEF_IPID_START;
l4kwqe->host_opaque = csk->l5_cid;
if (csk->vlan_id) {
{
struct cnic_dev *dev = csk->dev;
struct cnic_local *cp = dev->cnic_priv;
- int is_v6, err, rc = -ENETUNREACH;
- struct dst_entry *dst;
+ int is_v6, rc = 0;
+ struct dst_entry *dst = NULL;
struct net_device *realdev;
u32 local_port;
clear_bit(SK_F_IPV6, &csk->flags);
if (is_v6) {
-#if defined(CONFIG_IPV6) || (defined(CONFIG_IPV6_MODULE) && defined(MODULE))
set_bit(SK_F_IPV6, &csk->flags);
- err = cnic_get_v6_route(&saddr->remote.v6, &dst);
- if (err)
- return err;
-
- if (!dst || dst->error || !dst->dev)
- goto err_out;
+ 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
- return rc;
-#endif
-
- } else {
- err = cnic_get_v4_route(&saddr->remote.v4, &dst);
- if (err)
- return err;
- if (!dst || dst->error || !dst->dev)
- goto err_out;
+ } 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 = cnic_get_vlan(dst->dev, &realdev);
- if (realdev != dev->netdev)
- goto err_out;
+ 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);
+ }
+ }
if (local_port >= CNIC_LOCAL_PORT_MIN &&
local_port < CNIC_LOCAL_PORT_MAX) {
}
csk->src_port = local_port;
- csk->mtu = dst_mtu(dst);
- rc = 0;
-
err_out:
dst_release(dst);
return rc;
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);
}
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);
break;
case L4_KCQE_OPCODE_VALUE_RESET_RECEIVED:
- if (test_and_clear_bit(SK_F_OFFLD_COMPLETE, &csk->flags))
+ if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
+ cnic_cm_upcall(cp, csk, opcode);
+ break;
+ } else if (test_and_clear_bit(SK_F_OFFLD_COMPLETE, &csk->flags))
csk->state = opcode;
/* fall through */
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:
cp->close_conn(csk, opcode);
break;
if (!test_and_set_bit(SK_F_CLOSING, &csk->flags))
return 1;
}
+ /* 57710+ only workaround to handle unsolicited RESET_COMP
+ * which will be treated like a RESET RCVD notification
+ * which triggers the clean up procedure
+ */
+ else if (opcode == L4_KCQE_OPCODE_VALUE_RESET_COMP) {
+ if (!test_and_set_bit(SK_F_CLOSING, &csk->flags)) {
+ csk->state = L4_KCQE_OPCODE_VALUE_RESET_RECEIVED;
+ return 1;
+ }
+ }
return 0;
}
struct cnic_local *cp = dev->cnic_priv;
clear_bit(SK_F_CONNECT_START, &csk->flags);
- if (cnic_ready_to_close(csk, opcode)) {
- cnic_close_conn(csk);
- cnic_cm_upcall(cp, csk, opcode);
- }
+ cnic_close_conn(csk);
+ cnic_cm_upcall(cp, csk, opcode);
}
static void cnic_cm_stop_bnx2_hw(struct cnic_dev *dev)
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))
+ cmd = L5CM_RAMROD_CMD_ID_SEARCHER_DELETE;
+ 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)
+{
+}
+
+static int cnic_cm_init_bnx2x_hw(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ int func = CNIC_FUNC(cp);
+
+ cnic_init_bnx2x_mac(dev);
+ cnic_bnx2x_set_tcp_timestamp(dev, 1);
+
+ CNIC_WR16(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_LOCAL_VLAN_OFFSET(func), 0);
+
+ CNIC_WR(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_TCP_GLOBAL_DEL_ACK_COUNTER_ENABLED_OFFSET(func), 1);
+ CNIC_WR(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_TCP_GLOBAL_DEL_ACK_COUNTER_MAX_COUNT_OFFSET(func),
+ DEF_MAX_DA_COUNT);
+
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_TCP_VARS_TTL_OFFSET(func), DEF_TTL);
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_TCP_VARS_TOS_OFFSET(func), DEF_TOS);
+ CNIC_WR8(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_ISCSI_TCP_VARS_ADV_WND_SCL_OFFSET(func), 2);
+ CNIC_WR(dev, BAR_XSTRORM_INTMEM +
+ XSTORM_TCP_TX_SWS_TIMER_VAL_OFFSET(func), DEF_SWS_TIMER);
+
+ CNIC_WR(dev, BAR_TSTRORM_INTMEM + TSTORM_TCP_MAX_CWND_OFFSET(func),
+ DEF_MAX_CWND);
+ return 0;
+}
+
static int cnic_cm_open(struct cnic_dev *dev)
{
struct cnic_local *cp = dev->cnic_priv;
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->bnx2_status_blk = cp->status_blk;
- cp->last_status_idx = cp->bnx2_status_blk->status_idx;
- tasklet_init(&cp->cnic_irq_task, &cnic_service_bnx2_msix,
+ cp->last_status_idx = cp->status_blk.bnx2->status_idx;
+ tasklet_init(&cp->cnic_irq_task, cnic_service_bnx2_msix,
(unsigned long) dev);
err = request_irq(ethdev->irq_arr[0].vector, cnic_irq, 0,
"cnic", dev);
tasklet_disable(&cp->cnic_irq_task);
return err;
}
- while (cp->bnx2_status_blk->status_completion_producer_index &&
+ while (cp->status_blk.bnx2->status_completion_producer_index &&
i < 10) {
CNIC_WR(dev, BNX2_HC_COALESCE_NOW,
1 << (11 + sblk_num));
i++;
barrier();
}
- if (cp->bnx2_status_blk->status_completion_producer_index) {
+ if (cp->status_blk.bnx2->status_completion_producer_index) {
cnic_free_irq(dev);
goto failed;
}
} else {
- struct status_block *sblk = cp->status_blk;
+ struct status_block *sblk = cp->status_blk.gen;
u32 hc_cmd = CNIC_RD(dev, BNX2_HC_COMMAND);
int i = 0;
return 0;
failed:
- printk(KERN_ERR PFX "%s: " "KCQ index not resetting to 0.\n",
- dev->netdev->name);
+ netdev_err(dev->netdev, "KCQ index not resetting to 0\n");
return -EBUSY;
}
int i;
struct tx_bd *txbd;
dma_addr_t buf_map;
- struct status_block *s_blk = cp->status_blk;
+ struct status_block *s_blk = cp->status_blk.gen;
sb_id = cp->status_blk_num;
tx_cid = 20;
cnic_init_context(dev, tx_cid + 1);
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;
+ struct status_block_msix *sblk = cp->status_blk.bnx2;
tx_cid = TX_TSS_CID + sb_id - 1;
cnic_init_context(dev, tx_cid);
u32 cid_addr, sb_id, val, coal_reg, coal_val;
int i;
struct rx_bd *rxbd;
- struct status_block *s_blk = cp->status_blk;
+ struct status_block *s_blk = cp->status_blk.gen;
sb_id = cp->status_blk_num;
cnic_init_context(dev, 2);
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;
+ 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;
cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_CTX_TYPE, val);
if (sb_id == 0)
- val = 2 << BNX2_L2CTX_STATUSB_NUM_SHIFT;
+ val = 2 << BNX2_L2CTX_L2_STATUSB_NUM_SHIFT;
else
- val = BNX2_L2CTX_STATUSB_NUM(sb_id);
+ val = BNX2_L2CTX_L2_STATUSB_NUM(sb_id);
cnic_ctx_wr(dev, cid_addr, BNX2_L2CTX_HOST_BDIDX, val);
rxbd = (struct rx_bd *) (cp->l2_ring + BCM_PAGE_SIZE);
{
struct cnic_local *cp = dev->cnic_priv;
struct cnic_eth_dev *ethdev = cp->ethdev;
- struct status_block *sblk = cp->status_blk;
+ struct status_block *sblk = cp->status_blk.gen;
u32 val;
int err;
cp->int_num = 0;
if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
u32 sb_id = cp->status_blk_num;
- u32 sb = BNX2_L2CTX_STATUSB_NUM(sb_id);
+ u32 sb = BNX2_L2CTX_L5_STATUSB_NUM(sb_id);
cp->int_num = sb_id << BNX2_PCICFG_INT_ACK_CMD_INT_NUM_SHIFT;
cnic_ctx_wr(dev, cp->kwq_cid_addr, L5_KRNLQ_HOST_QIDX, sb);
err = cnic_init_bnx2_irq(dev);
if (err) {
- printk(KERN_ERR PFX "%s: cnic_init_irq failed\n",
- dev->netdev->name);
+ 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;
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_init(&cp->cnic_irq_task, cnic_service_bnx2x_bh,
+ (unsigned long) dev);
+ if (ethdev->drv_state & CNIC_DRV_STATE_USING_MSIX) {
+ err = request_irq(ethdev->irq_arr[0].vector, cnic_irq, 0,
+ "cnic", dev);
+ if (err)
+ tasklet_disable(&cp->cnic_irq_task);
+ }
+ return err;
+}
+
+static void cnic_enable_bnx2x_int(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ u8 sb_id = cp->status_blk_num;
+ int port = CNIC_PORT(cp);
+
+ CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_SB_HC_TIMEOUT_C_OFFSET(port, sb_id,
+ HC_INDEX_C_ISCSI_EQ_CONS),
+ 64 / 12);
+ CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_SB_HC_DISABLE_C_OFFSET(port, sb_id,
+ HC_INDEX_C_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 cnic_local *cp = dev->cnic_priv;
+ union eth_tx_bd_types *txbd = (union eth_tx_bd_types *) cp->l2_ring;
+ struct eth_context *context;
+ struct regpair context_addr;
+ dma_addr_t buf_map;
+ int func = CNIC_FUNC(cp);
+ int port = CNIC_PORT(cp);
+ int i;
+ int cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+ u32 val;
+
+ memset(txbd, 0, BCM_PAGE_SIZE);
+
+ buf_map = cp->l2_buf_map;
+ for (i = 0; i < MAX_TX_DESC_CNT; i += 3, txbd += 3) {
+ struct eth_tx_start_bd *start_bd = &txbd->start_bd;
+ 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 = (UNICAST_ADDRESS <<
+ ETH_TX_START_BD_ETH_ADDR_TYPE_SHIFT);
+ start_bd->general_data |= (1 << ETH_TX_START_BD_HDR_NBDS_SHIFT);
+
+ }
+ context = cnic_get_bnx2x_ctx(dev, BNX2X_ISCSI_L2_CID, 1, &context_addr);
+
+ val = (u64) cp->l2_ring_map >> 32;
+ txbd->next_bd.addr_hi = cpu_to_le32(val);
+
+ context->xstorm_st_context.tx_bd_page_base_hi = val;
+
+ val = (u64) cp->l2_ring_map & 0xffffffff;
+ txbd->next_bd.addr_lo = cpu_to_le32(val);
+
+ context->xstorm_st_context.tx_bd_page_base_lo = val;
+
+ context->cstorm_st_context.sb_index_number =
+ HC_INDEX_DEF_C_ETH_ISCSI_CQ_CONS;
+ context->cstorm_st_context.status_block_id = BNX2X_DEF_SB_ID;
+
+ context->xstorm_st_context.statistics_data = (cli |
+ XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE);
+
+ context->xstorm_ag_context.cdu_reserved =
+ CDU_RSRVD_VALUE_TYPE_A(BNX2X_HW_CID(BNX2X_ISCSI_L2_CID, func),
+ CDU_REGION_NUMBER_XCM_AG,
+ ETH_CONNECTION_TYPE);
+
+ /* reset xstorm per client statistics */
+ val = BAR_XSTRORM_INTMEM +
+ XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
+ for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++)
+ CNIC_WR(dev, val + i * 4, 0);
+
+ cp->tx_cons_ptr =
+ &cp->bnx2x_def_status_blk->c_def_status_block.index_values[
+ HC_INDEX_DEF_C_ETH_ISCSI_CQ_CONS];
+}
+
+static void cnic_init_bnx2x_rx_ring(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ struct eth_rx_bd *rxbd = (struct eth_rx_bd *) (cp->l2_ring +
+ BCM_PAGE_SIZE);
+ struct eth_rx_cqe_next_page *rxcqe = (struct eth_rx_cqe_next_page *)
+ (cp->l2_ring + (2 * BCM_PAGE_SIZE));
+ struct eth_context *context;
+ struct regpair context_addr;
+ int i;
+ int port = CNIC_PORT(cp);
+ int func = CNIC_FUNC(cp);
+ int cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+ u32 val;
+ struct tstorm_eth_client_config tstorm_client = {0};
+
+ 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 = cp->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);
+ }
+ context = cnic_get_bnx2x_ctx(dev, BNX2X_ISCSI_L2_CID, 0, &context_addr);
+
+ val = (u64) (cp->l2_ring_map + BCM_PAGE_SIZE) >> 32;
+ rxbd->addr_hi = cpu_to_le32(val);
+
+ context->ustorm_st_context.common.bd_page_base_hi = val;
+
+ val = (u64) (cp->l2_ring_map + BCM_PAGE_SIZE) & 0xffffffff;
+ rxbd->addr_lo = cpu_to_le32(val);
+
+ context->ustorm_st_context.common.bd_page_base_lo = val;
+
+ context->ustorm_st_context.common.sb_index_numbers =
+ BNX2X_ISCSI_RX_SB_INDEX_NUM;
+ context->ustorm_st_context.common.clientId = cli;
+ context->ustorm_st_context.common.status_block_id = BNX2X_DEF_SB_ID;
+ context->ustorm_st_context.common.flags =
+ USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_STATISTICS;
+ context->ustorm_st_context.common.statistics_counter_id = cli;
+ context->ustorm_st_context.common.mc_alignment_log_size = 0;
+ context->ustorm_st_context.common.bd_buff_size =
+ cp->l2_single_buf_size;
+
+ context->ustorm_ag_context.cdu_usage =
+ CDU_RSRVD_VALUE_TYPE_A(BNX2X_HW_CID(BNX2X_ISCSI_L2_CID, func),
+ CDU_REGION_NUMBER_UCM_AG,
+ ETH_CONNECTION_TYPE);
+
+ rxcqe += BNX2X_MAX_RCQ_DESC_CNT;
+ val = (u64) (cp->l2_ring_map + (2 * BCM_PAGE_SIZE)) >> 32;
+ rxcqe->addr_hi = cpu_to_le32(val);
+
+ CNIC_WR(dev, BAR_USTRORM_INTMEM +
+ USTORM_CQE_PAGE_BASE_OFFSET(port, cli) + 4, val);
+
+ CNIC_WR(dev, BAR_USTRORM_INTMEM +
+ USTORM_CQE_PAGE_NEXT_OFFSET(port, cli) + 4, val);
+
+ val = (u64) (cp->l2_ring_map + (2 * BCM_PAGE_SIZE)) & 0xffffffff;
+ rxcqe->addr_lo = cpu_to_le32(val);
+
+ CNIC_WR(dev, BAR_USTRORM_INTMEM +
+ USTORM_CQE_PAGE_BASE_OFFSET(port, cli), val);
+
+ CNIC_WR(dev, BAR_USTRORM_INTMEM +
+ USTORM_CQE_PAGE_NEXT_OFFSET(port, cli), val);
+
+ /* client tstorm info */
+ tstorm_client.mtu = cp->l2_single_buf_size - 14;
+ tstorm_client.config_flags =
+ (TSTORM_ETH_CLIENT_CONFIG_E1HOV_REM_ENABLE |
+ TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE);
+ tstorm_client.statistics_counter_id = cli;
+
+ CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_CLIENT_CONFIG_OFFSET(port, cli),
+ ((u32 *)&tstorm_client)[0]);
+ CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_CLIENT_CONFIG_OFFSET(port, cli) + 4,
+ ((u32 *)&tstorm_client)[1]);
+
+ /* reset tstorm per client statistics */
+ val = BAR_TSTRORM_INTMEM +
+ TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
+ for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++)
+ CNIC_WR(dev, val + i * 4, 0);
+
+ /* reset ustorm per client statistics */
+ val = BAR_USTRORM_INTMEM +
+ USTORM_PER_COUNTER_ID_STATS_OFFSET(port, cli);
+ for (i = 0; i < sizeof(struct ustorm_per_client_stats) / 4; i++)
+ CNIC_WR(dev, val + i * 4, 0);
+
+ cp->rx_cons_ptr =
+ &cp->bnx2x_def_status_blk->u_def_status_block.index_values[
+ HC_INDEX_DEF_U_ETH_ISCSI_RX_CQ_CONS];
+}
+
+static void cnic_get_bnx2x_iscsi_info(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ u32 base, addr, val;
+ int port = CNIC_PORT(cp);
+
+ dev->max_iscsi_conn = 0;
+ base = CNIC_RD(dev, MISC_REG_SHARED_MEM_ADDR);
+ if (base < 0xa0000 || base >= 0xc0000)
+ return;
+
+ addr = BNX2X_SHMEM_ADDR(base,
+ dev_info.port_hw_config[port].iscsi_mac_upper);
+
+ val = CNIC_RD(dev, addr);
+
+ dev->mac_addr[0] = (u8) (val >> 8);
+ dev->mac_addr[1] = (u8) val;
+
+ addr = BNX2X_SHMEM_ADDR(base,
+ dev_info.port_hw_config[port].iscsi_mac_lower);
+
+ val = CNIC_RD(dev, addr);
+
+ 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;
+
+ addr = BNX2X_SHMEM_ADDR(base, validity_map[port]);
+ val = CNIC_RD(dev, addr);
+
+ if (!(val & SHR_MEM_VALIDITY_LIC_NO_KEY_IN_EFFECT)) {
+ u16 val16;
+
+ addr = BNX2X_SHMEM_ADDR(base,
+ drv_lic_key[port].max_iscsi_init_conn);
+ val16 = CNIC_RD16(dev, addr);
+
+ if (val16)
+ val16 ^= 0x1e1e;
+ dev->max_iscsi_conn = val16;
+ }
+ if (BNX2X_CHIP_IS_E1H(cp->chip_id)) {
+ int func = CNIC_FUNC(cp);
+
+ addr = BNX2X_SHMEM_ADDR(base,
+ mf_cfg.func_mf_config[func].e1hov_tag);
+ val = CNIC_RD(dev, addr);
+ val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
+ if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
+ addr = BNX2X_SHMEM_ADDR(base,
+ mf_cfg.func_mf_config[func].config);
+ val = CNIC_RD(dev, addr);
+ val &= FUNC_MF_CFG_PROTOCOL_MASK;
+ if (val != FUNC_MF_CFG_PROTOCOL_ISCSI)
+ dev->max_iscsi_conn = 0;
+ }
+ }
+}
+
+static int cnic_start_bnx2x_hw(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ int func = CNIC_FUNC(cp), ret, i;
+ int port = CNIC_PORT(cp);
+ u16 eq_idx;
+ u8 sb_id = cp->status_blk_num;
+
+ ret = cnic_init_id_tbl(&cp->cid_tbl, MAX_ISCSI_TBL_SZ,
+ BNX2X_ISCSI_START_CID);
+
+ if (ret)
+ return -ENOMEM;
+
+ cp->kcq_io_addr = BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_PROD_OFFSET(func, 0);
+ cp->kcq_prod_idx = 0;
+
+ cnic_get_bnx2x_iscsi_info(dev);
+
+ /* Only 1 EQ */
+ CNIC_WR16(dev, cp->kcq_io_addr, MAX_KCQ_IDX);
+ CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_CONS_OFFSET(func, 0), 0);
+ CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_OFFSET(func, 0),
+ cp->kcq_info.pg_map_arr[1] & 0xffffffff);
+ CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_OFFSET(func, 0) + 4,
+ (u64) cp->kcq_info.pg_map_arr[1] >> 32);
+ CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_NEXT_EQE_ADDR_OFFSET(func, 0),
+ cp->kcq_info.pg_map_arr[0] & 0xffffffff);
+ CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_NEXT_EQE_ADDR_OFFSET(func, 0) + 4,
+ (u64) cp->kcq_info.pg_map_arr[0] >> 32);
+ CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_NEXT_PAGE_ADDR_VALID_OFFSET(func, 0), 1);
+ CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_SB_NUM_OFFSET(func, 0), cp->status_blk_num);
+ CNIC_WR8(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_SB_INDEX_OFFSET(func, 0),
+ HC_INDEX_C_ISCSI_EQ_CONS);
+
+ for (i = 0; i < cp->conn_buf_info.num_pages; i++) {
+ CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_CONN_BUF_PBL_OFFSET(func, i),
+ cp->conn_buf_info.pgtbl[2 * i]);
+ CNIC_WR(dev, BAR_TSTRORM_INTMEM +
+ TSTORM_ISCSI_CONN_BUF_PBL_OFFSET(func, i) + 4,
+ cp->conn_buf_info.pgtbl[(2 * i) + 1]);
+ }
+
+ CNIC_WR(dev, BAR_USTRORM_INTMEM +
+ USTORM_ISCSI_GLOBAL_BUF_PHYS_ADDR_OFFSET(func),
+ cp->gbl_buf_info.pg_map_arr[0] & 0xffffffff);
+ CNIC_WR(dev, BAR_USTRORM_INTMEM +
+ USTORM_ISCSI_GLOBAL_BUF_PHYS_ADDR_OFFSET(func) + 4,
+ (u64) cp->gbl_buf_info.pg_map_arr[0] >> 32);
+
+ cnic_setup_bnx2x_context(dev);
+
+ eq_idx = CNIC_RD16(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_SB_HOST_STATUS_BLOCK_C_OFFSET(port, sb_id) +
+ offsetof(struct cstorm_status_block_c,
+ index_values[HC_INDEX_C_ISCSI_EQ_CONS]));
+ if (eq_idx != 0) {
+ netdev_err(dev->netdev, "EQ cons index %x != 0\n", eq_idx);
+ return -EBUSY;
+ }
+ ret = cnic_init_bnx2x_irq(dev);
+ if (ret)
+ return ret;
+
+ cnic_init_bnx2x_tx_ring(dev);
+ cnic_init_bnx2x_rx_ring(dev);
+
+ return 0;
+}
+
+static void cnic_init_rings(struct cnic_dev *dev)
+{
+ if (test_bit(CNIC_F_BNX2_CLASS, &dev->flags)) {
+ cnic_init_bnx2_tx_ring(dev);
+ cnic_init_bnx2_rx_ring(dev);
+ } else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
+ struct cnic_local *cp = dev->cnic_priv;
+ u32 cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+ union l5cm_specific_data l5_data;
+ struct ustorm_eth_rx_producers rx_prods = {0};
+ u32 off, i;
+
+ rx_prods.bd_prod = 0;
+ rx_prods.cqe_prod = BNX2X_MAX_RCQ_DESC_CNT;
+ barrier();
+
+ off = BAR_USTRORM_INTMEM +
+ USTORM_RX_PRODS_OFFSET(CNIC_PORT(cp), cli);
+
+ for (i = 0; i < sizeof(struct ustorm_eth_rx_producers) / 4; i++)
+ CNIC_WR(dev, off + i * 4, ((u32 *) &rx_prods)[i]);
+
+ cnic_init_bnx2x_tx_ring(dev);
+ cnic_init_bnx2x_rx_ring(dev);
+
+ l5_data.phy_address.lo = cli;
+ l5_data.phy_address.hi = 0;
+ cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_CLIENT_SETUP,
+ BNX2X_ISCSI_L2_CID, ETH_CONNECTION_TYPE, &l5_data);
+ cnic_ring_ctl(dev, BNX2X_ISCSI_L2_CID, cli, 1);
+ }
+}
+
+static void cnic_shutdown_rings(struct cnic_dev *dev)
+{
+ 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)) {
+ struct cnic_local *cp = dev->cnic_priv;
+ u32 cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+ union l5cm_specific_data l5_data;
+
+ cnic_ring_ctl(dev, BNX2X_ISCSI_L2_CID, cli, 0);
+
+ l5_data.phy_address.lo = cli;
+ l5_data.phy_address.hi = 0;
+ cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_HALT,
+ BNX2X_ISCSI_L2_CID, ETH_CONNECTION_TYPE, &l5_data);
+ msleep(10);
+
+ memset(&l5_data, 0, sizeof(l5_data));
+ cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_CFC_DEL,
+ BNX2X_ISCSI_L2_CID, ETH_CONNECTION_TYPE |
+ (1 << SPE_HDR_COMMON_RAMROD_SHIFT), &l5_data);
+ msleep(10);
+ }
+}
+
+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");
+
+ 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;
if (test_bit(CNIC_F_CNIC_UP, &dev->flags))
return -EALREADY;
- err = ethdev->drv_register_cnic(dev->netdev, cp->cnic_ops, dev);
- if (err) {
- printk(KERN_ERR PFX "%s: register_cnic failed\n",
- dev->netdev->name);
- goto err2;
- }
-
dev->regview = ethdev->io_base;
cp->chip_id = ethdev->chip_id;
pci_dev_get(dev->pcidev);
cp->func = PCI_FUNC(dev->pcidev->devfn);
- cp->status_blk = ethdev->irq_arr[0].status_blk;
+ 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) {
- printk(KERN_ERR PFX "%s: allocate resource failure\n",
- dev->netdev->name);
+ netdev_err(dev->netdev, "allocate resource failure\n");
goto err1;
}
return 0;
err1:
- ethdev->drv_unregister_cnic(dev->netdev);
cp->free_resc(dev);
pci_dev_put(dev->pcidev);
-err2:
return err;
}
static void cnic_stop_bnx2_hw(struct cnic_dev *dev)
{
- struct cnic_local *cp = dev->cnic_priv;
- struct cnic_eth_dev *ethdev = cp->ethdev;
-
cnic_disable_bnx2_int_sync(dev);
cnic_reg_wr_ind(dev, BNX2_CP_SCRATCH + 0x20, 0);
cnic_setup_5709_context(dev, 0);
cnic_free_irq(dev);
- ethdev->drv_unregister_cnic(dev->netdev);
+ cnic_free_resc(dev);
+}
+
+
+static void cnic_stop_bnx2x_hw(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+ u8 sb_id = cp->status_blk_num;
+ int port = CNIC_PORT(cp);
+ cnic_free_irq(dev);
+ CNIC_WR16(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_SB_HOST_STATUS_BLOCK_C_OFFSET(port, sb_id) +
+ offsetof(struct cstorm_status_block_c,
+ index_values[HC_INDEX_C_ISCSI_EQ_CONS]),
+ 0);
+ CNIC_WR(dev, BAR_CSTRORM_INTMEM +
+ CSTORM_ISCSI_EQ_CONS_OFFSET(cp->func, 0), 0);
+ CNIC_WR16(dev, cp->kcq_io_addr, 0);
cnic_free_resc(dev);
}
i++;
}
if (atomic_read(&dev->ref_count) != 0)
- printk(KERN_ERR PFX "%s: Failed waiting for ref count to go"
- " to zero.\n", dev->netdev->name);
+ netdev_err(dev->netdev, "Failed waiting for ref count to go to zero\n");
- printk(KERN_INFO PFX "Removed CNIC device: %s\n", dev->netdev->name);
+ netdev_info(dev->netdev, "Removed CNIC device\n");
dev_put(dev->netdev);
kfree(dev);
}
cdev = kzalloc(alloc_size , GFP_KERNEL);
if (cdev == NULL) {
- printk(KERN_ERR PFX "%s: allocate dev struct failure\n",
- dev->name);
+ netdev_err(dev, "allocate dev struct failure\n");
return NULL;
}
spin_lock_init(&cp->cnic_ulp_lock);
- printk(KERN_INFO PFX "Added CNIC device: %s\n", dev->name);
+ netdev_info(dev, "Added CNIC device\n");
return cdev;
}
struct cnic_dev *cdev;
struct cnic_local *cp;
struct cnic_eth_dev *ethdev = NULL;
- struct cnic_eth_dev *(*probe)(void *) = NULL;
+ struct cnic_eth_dev *(*probe)(struct net_device *) = NULL;
- probe = __symbol_get("bnx2_cnic_probe");
+ probe = symbol_get(bnx2_cnic_probe);
if (probe) {
ethdev = (*probe)(dev);
- symbol_put_addr(probe);
+ symbol_put(bnx2_cnic_probe);
}
if (!ethdev)
return NULL;
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 cnic_eth_dev *ethdev = NULL;
+ struct cnic_eth_dev *(*probe)(struct net_device *) = NULL;
+
+ probe = symbol_get(bnx2x_cnic_probe);
+ if (probe) {
+ ethdev = (*probe)(dev);
+ symbol_put(bnx2x_cnic_probe);
+ }
+ 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->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;
+ cp->ack_int = cnic_ack_bnx2x_msix;
+ cp->close_conn = cnic_close_bnx2x_conn;
+ cp->next_idx = cnic_bnx2x_next_idx;
+ cp->hw_idx = cnic_bnx2x_hw_idx;
+ return cdev;
+}
+
static struct cnic_dev *is_cnic_dev(struct net_device *dev)
{
struct ethtool_drvinfo 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);
cnic_ulp_init(dev);
else if (event == NETDEV_UNREGISTER)
cnic_ulp_exit(dev);
- else if (event == NETDEV_UP) {
- mutex_lock(&cnic_lock);
+
+ if (event == NETDEV_UP) {
+ if (cnic_register_netdev(dev) != 0) {
+ cnic_put(dev);
+ goto done;
+ }
if (!cnic_start_hw(dev))
cnic_ulp_start(dev);
- mutex_unlock(&cnic_lock);
}
rcu_read_lock();
rcu_read_unlock();
if (event == NETDEV_GOING_DOWN) {
- mutex_lock(&cnic_lock);
cnic_ulp_stop(dev);
cnic_stop_hw(dev);
- mutex_unlock(&cnic_lock);
+ cnic_unregister_netdev(dev);
} else if (event == NETDEV_UNREGISTER) {
write_lock(&cnic_dev_lock);
list_del_init(&dev->list);
}
cnic_ulp_exit(dev);
+ cnic_unregister_netdev(dev);
list_del_init(&dev->list);
cnic_free_dev(dev);
}
{
int rc = 0;
- printk(KERN_INFO "%s", version);
+ pr_info("%s", version);
rc = register_netdevice_notifier(&cnic_netdev_notifier);
if (rc) {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff