bnx2x: add FCoE ring
Includes new driver structures and FW/HW configuration for FCoE ring
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Shmulik Ravid-Rabinovitz <shmulikr@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index 236c00c..fa12365 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -827,7 +827,7 @@
DP(NETIF_MSG_IFUP,
"mtu %d rx_buf_size %d\n", bp->dev->mtu, bp->rx_buf_size);
- for_each_queue(bp, j) {
+ for_each_rx_queue(bp, j) {
struct bnx2x_fastpath *fp = &bp->fp[j];
if (!fp->disable_tpa) {
@@ -880,7 +880,7 @@
}
}
- for_each_queue(bp, j) {
+ for_each_rx_queue(bp, j) {
struct bnx2x_fastpath *fp = &bp->fp[j];
fp->rx_bd_cons = 0;
@@ -911,7 +911,7 @@
{
int i;
- for_each_queue(bp, i) {
+ for_each_tx_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
u16 bd_cons = fp->tx_bd_cons;
@@ -929,7 +929,7 @@
{
int i, j;
- for_each_queue(bp, j) {
+ for_each_rx_queue(bp, j) {
struct bnx2x_fastpath *fp = &bp->fp[j];
for (i = 0; i < NUM_RX_BD; i++) {
@@ -970,7 +970,7 @@
#ifdef BCM_CNIC
offset++;
#endif
- for_each_queue(bp, i) {
+ for_each_eth_queue(bp, i) {
DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq "
"state %x\n", i, bp->msix_table[i + offset].vector,
bnx2x_fp(bp, i, state));
@@ -1004,14 +1004,14 @@
bp->msix_table[msix_vec].entry, bp->msix_table[msix_vec].entry);
msix_vec++;
#endif
- for_each_queue(bp, i) {
+ for_each_eth_queue(bp, i) {
bp->msix_table[msix_vec].entry = msix_vec;
DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
"(fastpath #%u)\n", msix_vec, msix_vec, i);
msix_vec++;
}
- req_cnt = BNX2X_NUM_QUEUES(bp) + CNIC_CONTEXT_USE + 1;
+ req_cnt = BNX2X_NUM_ETH_QUEUES(bp) + CNIC_CONTEXT_USE + 1;
rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], req_cnt);
@@ -1067,7 +1067,7 @@
#ifdef BCM_CNIC
offset++;
#endif
- for_each_queue(bp, i) {
+ for_each_eth_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
snprintf(fp->name, sizeof(fp->name), "%s-fp-%d",
bp->dev->name, i);
@@ -1084,7 +1084,7 @@
fp->state = BNX2X_FP_STATE_IRQ;
}
- i = BNX2X_NUM_QUEUES(bp);
+ i = BNX2X_NUM_ETH_QUEUES(bp);
offset = 1 + CNIC_CONTEXT_USE;
netdev_info(bp->dev, "using MSI-X IRQs: sp %d fp[%d] %d"
" ... fp[%d] %d\n",
@@ -1131,7 +1131,7 @@
{
int i;
- for_each_queue(bp, i)
+ for_each_napi_queue(bp, i)
napi_enable(&bnx2x_fp(bp, i, napi));
}
@@ -1139,7 +1139,7 @@
{
int i;
- for_each_queue(bp, i)
+ for_each_napi_queue(bp, i)
napi_disable(&bnx2x_fp(bp, i, napi));
}
@@ -1181,8 +1181,23 @@
bp->num_queues = 1;
break;
}
+
+ /* Add special queues */
+ bp->num_queues += NONE_ETH_CONTEXT_USE;
}
+#ifdef BCM_CNIC
+static inline void bnx2x_set_fcoe_eth_macs(struct bnx2x *bp)
+{
+ if (!NO_FCOE(bp)) {
+ if (!IS_MF_SD(bp))
+ bnx2x_set_fip_eth_mac_addr(bp, 1);
+ bnx2x_set_all_enode_macs(bp, 1);
+ bp->flags |= FCOE_MACS_SET;
+ }
+}
+#endif
+
static void bnx2x_release_firmware(struct bnx2x *bp)
{
kfree(bp->init_ops_offsets);
@@ -1191,6 +1206,20 @@
release_firmware(bp->firmware);
}
+static inline int bnx2x_set_real_num_queues(struct bnx2x *bp)
+{
+ int rc, num = bp->num_queues;
+
+#ifdef BCM_CNIC
+ if (NO_FCOE(bp))
+ num -= FCOE_CONTEXT_USE;
+
+#endif
+ netif_set_real_num_tx_queues(bp->dev, num);
+ rc = netif_set_real_num_rx_queues(bp->dev, num);
+ return rc;
+}
+
/* must be called with rtnl_lock */
int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
{
@@ -1217,10 +1246,9 @@
if (bnx2x_alloc_mem(bp))
return -ENOMEM;
- netif_set_real_num_tx_queues(bp->dev, bp->num_queues);
- rc = netif_set_real_num_rx_queues(bp->dev, bp->num_queues);
+ rc = bnx2x_set_real_num_queues(bp);
if (rc) {
- BNX2X_ERR("Unable to update real_num_rx_queues\n");
+ BNX2X_ERR("Unable to set real_num_queues\n");
goto load_error0;
}
@@ -1228,6 +1256,10 @@
bnx2x_fp(bp, i, disable_tpa) =
((bp->flags & TPA_ENABLE_FLAG) == 0);
+#ifdef BCM_CNIC
+ /* We don't want TPA on FCoE L2 ring */
+ bnx2x_fcoe(bp, disable_tpa) = 1;
+#endif
bnx2x_napi_enable(bp);
/* Send LOAD_REQUEST command to MCP
@@ -1358,6 +1390,10 @@
/* Now when Clients are configured we are ready to work */
bp->state = BNX2X_STATE_OPEN;
+#ifdef BCM_CNIC
+ bnx2x_set_fcoe_eth_macs(bp);
+#endif
+
bnx2x_set_eth_mac(bp, 1);
if (bp->port.pmf)
@@ -1416,7 +1452,7 @@
/* Free SKBs, SGEs, TPA pool and driver internals */
bnx2x_free_skbs(bp);
- for_each_queue(bp, i)
+ for_each_rx_queue(bp, i)
bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
/* Release IRQs */
@@ -1487,7 +1523,7 @@
/* Free SKBs, SGEs, TPA pool and driver internals */
bnx2x_free_skbs(bp);
- for_each_queue(bp, i)
+ for_each_rx_queue(bp, i)
bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
bnx2x_free_mem(bp);
@@ -1591,6 +1627,17 @@
/* Fall out from the NAPI loop if needed */
if (!(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) {
+#ifdef BCM_CNIC
+ /* No need to update SB for FCoE L2 ring as long as
+ * it's connected to the default SB and the SB
+ * has been updated when NAPI was scheduled.
+ */
+ if (IS_FCOE_FP(fp)) {
+ napi_complete(napi);
+ break;
+ }
+#endif
+
bnx2x_update_fpsb_idx(fp);
/* bnx2x_has_rx_work() reads the status block,
* thus we need to ensure that status block indices
@@ -2255,7 +2302,7 @@
bp->fp = fp;
/* msix table */
- tbl = kzalloc((bp->l2_cid_count + 1) * sizeof(*tbl),
+ tbl = kzalloc((FP_SB_COUNT(bp->l2_cid_count) + 1) * sizeof(*tbl),
GFP_KERNEL);
if (!tbl)
goto alloc_err;