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path: root/drivers/net/bnx2.c
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Diffstat (limited to 'drivers/net/bnx2.c')
-rw-r--r--drivers/net/bnx2.c253
1 files changed, 116 insertions, 137 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index e6a803f1c507..062600be073b 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -37,9 +37,6 @@
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/if_vlan.h>
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
-#define BCM_VLAN 1
-#endif
#include <net/ip.h>
#include <net/tcp.h>
#include <net/checksum.h>
@@ -49,6 +46,7 @@
#include <linux/cache.h>
#include <linux/firmware.h>
#include <linux/log2.h>
+#include <linux/aer.h>
#if defined(CONFIG_CNIC) || defined(CONFIG_CNIC_MODULE)
#define BCM_CNIC 1
@@ -58,13 +56,13 @@
#include "bnx2_fw.h"
#define DRV_MODULE_NAME "bnx2"
-#define DRV_MODULE_VERSION "2.0.17"
-#define DRV_MODULE_RELDATE "July 18, 2010"
-#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-5.0.0.j6.fw"
-#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
-#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j15.fw"
-#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-5.0.0.j10.fw"
-#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-5.0.0.j10.fw"
+#define DRV_MODULE_VERSION "2.0.18"
+#define DRV_MODULE_RELDATE "Oct 7, 2010"
+#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-6.0.15.fw"
+#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-6.0.15.fw"
+#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-6.0.17.fw"
+#define FW_RV2P_FILE_09_Ax "bnx2/bnx2-rv2p-09ax-6.0.17.fw"
+#define FW_RV2P_FILE_09 "bnx2/bnx2-rv2p-09-6.0.17.fw"
#define RUN_AT(x) (jiffies + (x))
@@ -265,7 +263,7 @@ static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
if (diff == TX_DESC_CNT)
diff = MAX_TX_DESC_CNT;
}
- return (bp->tx_ring_size - diff);
+ return bp->tx_ring_size - diff;
}
static u32
@@ -298,7 +296,7 @@ bnx2_shmem_wr(struct bnx2 *bp, u32 offset, u32 val)
static u32
bnx2_shmem_rd(struct bnx2 *bp, u32 offset)
{
- return (bnx2_reg_rd_ind(bp, bp->shmem_base + offset));
+ return bnx2_reg_rd_ind(bp, bp->shmem_base + offset);
}
static void
@@ -976,9 +974,9 @@ bnx2_report_fw_link(struct bnx2 *bp)
static char *
bnx2_xceiver_str(struct bnx2 *bp)
{
- return ((bp->phy_port == PORT_FIBRE) ? "SerDes" :
+ return (bp->phy_port == PORT_FIBRE) ? "SerDes" :
((bp->phy_flags & BNX2_PHY_FLAG_SERDES) ? "Remote Copper" :
- "Copper"));
+ "Copper");
}
static void
@@ -1268,30 +1266,9 @@ bnx2_init_rx_context(struct bnx2 *bp, u32 cid)
val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2;
val |= 0x02 << 8;
- if (CHIP_NUM(bp) == CHIP_NUM_5709) {
- u32 lo_water, hi_water;
-
- if (bp->flow_ctrl & FLOW_CTRL_TX)
- lo_water = BNX2_L2CTX_LO_WATER_MARK_DEFAULT;
- else
- lo_water = BNX2_L2CTX_LO_WATER_MARK_DIS;
- if (lo_water >= bp->rx_ring_size)
- lo_water = 0;
-
- hi_water = min_t(int, bp->rx_ring_size / 4, lo_water + 16);
-
- if (hi_water <= lo_water)
- lo_water = 0;
-
- hi_water /= BNX2_L2CTX_HI_WATER_MARK_SCALE;
- lo_water /= BNX2_L2CTX_LO_WATER_MARK_SCALE;
+ if (bp->flow_ctrl & FLOW_CTRL_TX)
+ val |= BNX2_L2CTX_FLOW_CTRL_ENABLE;
- if (hi_water > 0xf)
- hi_water = 0xf;
- else if (hi_water == 0)
- lo_water = 0;
- val |= lo_water | (hi_water << BNX2_L2CTX_HI_WATER_MARK_SHIFT);
- }
bnx2_ctx_wr(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val);
}
@@ -1372,8 +1349,7 @@ bnx2_set_mac_link(struct bnx2 *bp)
/* Acknowledge the interrupt. */
REG_WR(bp, BNX2_EMAC_STATUS, BNX2_EMAC_STATUS_LINK_CHANGE);
- if (CHIP_NUM(bp) == CHIP_NUM_5709)
- bnx2_init_all_rx_contexts(bp);
+ bnx2_init_all_rx_contexts(bp);
}
static void
@@ -1757,7 +1733,7 @@ __acquires(&bp->phy_lock)
u32 new_adv = 0;
if (bp->phy_flags & BNX2_PHY_FLAG_REMOTE_PHY_CAP)
- return (bnx2_setup_remote_phy(bp, port));
+ return bnx2_setup_remote_phy(bp, port);
if (!(bp->autoneg & AUTONEG_SPEED)) {
u32 new_bmcr;
@@ -2170,10 +2146,10 @@ __acquires(&bp->phy_lock)
return 0;
if (bp->phy_flags & BNX2_PHY_FLAG_SERDES) {
- return (bnx2_setup_serdes_phy(bp, port));
+ return bnx2_setup_serdes_phy(bp, port);
}
else {
- return (bnx2_setup_copper_phy(bp));
+ return bnx2_setup_copper_phy(bp);
}
}
@@ -3108,8 +3084,6 @@ bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
struct sw_bd *rx_buf, *next_rx_buf;
struct sk_buff *skb;
dma_addr_t dma_addr;
- u16 vtag = 0;
- int hw_vlan __maybe_unused = 0;
sw_ring_cons = RX_RING_IDX(sw_cons);
sw_ring_prod = RX_RING_IDX(sw_prod);
@@ -3189,23 +3163,8 @@ bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
goto next_rx;
if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) &&
- !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) {
- vtag = rx_hdr->l2_fhdr_vlan_tag;
-#ifdef BCM_VLAN
- if (bp->vlgrp)
- hw_vlan = 1;
- else
-#endif
- {
- struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
- __skb_push(skb, 4);
-
- memmove(ve, skb->data + 4, ETH_ALEN * 2);
- ve->h_vlan_proto = htons(ETH_P_8021Q);
- ve->h_vlan_TCI = htons(vtag);
- len += 4;
- }
- }
+ !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG))
+ __vlan_hwaccel_put_tag(skb, rx_hdr->l2_fhdr_vlan_tag);
skb->protocol = eth_type_trans(skb, bp->dev);
@@ -3217,7 +3176,7 @@ bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
}
- skb->ip_summed = CHECKSUM_NONE;
+ skb_checksum_none_assert(skb);
if (bp->rx_csum &&
(status & (L2_FHDR_STATUS_TCP_SEGMENT |
L2_FHDR_STATUS_UDP_DATAGRAM))) {
@@ -3232,14 +3191,7 @@ bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
skb->rxhash = rx_hdr->l2_fhdr_hash;
skb_record_rx_queue(skb, bnapi - &bp->bnx2_napi[0]);
-
-#ifdef BCM_VLAN
- if (hw_vlan)
- vlan_gro_receive(&bnapi->napi, bp->vlgrp, vtag, skb);
- else
-#endif
- napi_gro_receive(&bnapi->napi, skb);
-
+ napi_gro_receive(&bnapi->napi, skb);
rx_pkt++;
next_rx:
@@ -3554,13 +3506,9 @@ bnx2_set_rx_mode(struct net_device *dev)
rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS |
BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG);
sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN;
-#ifdef BCM_VLAN
- if (!bp->vlgrp && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
+ if (!(dev->features & NETIF_F_HW_VLAN_RX) &&
+ (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN))
rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
-#else
- if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
- rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG;
-#endif
if (dev->flags & IFF_PROMISC) {
/* Promiscuous mode. */
rx_mode |= BNX2_EMAC_RX_MODE_PROMISCUOUS;
@@ -4973,6 +4921,11 @@ bnx2_init_chip(struct bnx2 *bp)
REG_WR(bp, BNX2_HC_CONFIG, val);
+ if (bp->rx_ticks < 25)
+ bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 1);
+ else
+ bnx2_reg_wr_ind(bp, BNX2_FW_RX_LOW_LATENCY, 0);
+
for (i = 1; i < bp->irq_nvecs; i++) {
u32 base = ((i - 1) * BNX2_HC_SB_CONFIG_SIZE) +
BNX2_HC_SB_CONFIG_1;
@@ -5241,18 +5194,20 @@ bnx2_init_all_rings(struct bnx2 *bp)
bnx2_init_rx_ring(bp, i);
if (bp->num_rx_rings > 1) {
- u32 tbl_32;
- u8 *tbl = (u8 *) &tbl_32;
-
- bnx2_reg_wr_ind(bp, BNX2_RXP_SCRATCH_RSS_TBL_SZ,
- BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES);
+ u32 tbl_32 = 0;
for (i = 0; i < BNX2_RXP_SCRATCH_RSS_TBL_MAX_ENTRIES; i++) {
- tbl[i % 4] = i % (bp->num_rx_rings - 1);
- if ((i % 4) == 3)
- bnx2_reg_wr_ind(bp,
- BNX2_RXP_SCRATCH_RSS_TBL + i,
- cpu_to_be32(tbl_32));
+ int shift = (i % 8) << 2;
+
+ tbl_32 |= (i % (bp->num_rx_rings - 1)) << shift;
+ if ((i % 8) == 7) {
+ REG_WR(bp, BNX2_RLUP_RSS_DATA, tbl_32);
+ REG_WR(bp, BNX2_RLUP_RSS_COMMAND, (i >> 3) |
+ BNX2_RLUP_RSS_COMMAND_RSS_WRITE_MASK |
+ BNX2_RLUP_RSS_COMMAND_WRITE |
+ BNX2_RLUP_RSS_COMMAND_HASH_MASK);
+ tbl_32 = 0;
+ }
}
val = BNX2_RLUP_RSS_CONFIG_IPV4_RSS_TYPE_ALL_XI |
@@ -6201,7 +6156,7 @@ bnx2_enable_msix(struct bnx2 *bp, int msix_vecs)
}
}
-static void
+static int
bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
{
int cpus = num_online_cpus();
@@ -6230,9 +6185,10 @@ bnx2_setup_int_mode(struct bnx2 *bp, int dis_msi)
}
bp->num_tx_rings = rounddown_pow_of_two(bp->irq_nvecs);
- bp->dev->real_num_tx_queues = bp->num_tx_rings;
+ netif_set_real_num_tx_queues(bp->dev, bp->num_tx_rings);
bp->num_rx_rings = bp->irq_nvecs;
+ return netif_set_real_num_rx_queues(bp->dev, bp->num_rx_rings);
}
/* Called with rtnl_lock */
@@ -6247,7 +6203,9 @@ bnx2_open(struct net_device *dev)
bnx2_set_power_state(bp, PCI_D0);
bnx2_disable_int(bp);
- bnx2_setup_int_mode(bp, disable_msi);
+ rc = bnx2_setup_int_mode(bp, disable_msi);
+ if (rc)
+ goto open_err;
bnx2_init_napi(bp);
bnx2_napi_enable(bp);
rc = bnx2_alloc_mem(bp);
@@ -6376,29 +6334,6 @@ bnx2_tx_timeout(struct net_device *dev)
schedule_work(&bp->reset_task);
}
-#ifdef BCM_VLAN
-/* Called with rtnl_lock */
-static void
-bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
-{
- struct bnx2 *bp = netdev_priv(dev);
-
- if (netif_running(dev))
- bnx2_netif_stop(bp, false);
-
- bp->vlgrp = vlgrp;
-
- if (!netif_running(dev))
- return;
-
- bnx2_set_rx_mode(dev);
- if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
- bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
-
- bnx2_netif_start(bp, false);
-}
-#endif
-
/* Called with netif_tx_lock.
* bnx2_tx_int() runs without netif_tx_lock unless it needs to call
* netif_wake_queue().
@@ -6439,12 +6374,11 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
}
-#ifdef BCM_VLAN
- if (bp->vlgrp && vlan_tx_tag_present(skb)) {
+ if (vlan_tx_tag_present(skb)) {
vlan_tag_flags |=
(TX_BD_FLAGS_VLAN_TAG | (vlan_tx_tag_get(skb) << 16));
}
-#endif
+
if ((mss = skb_shinfo(skb)->gso_size)) {
u32 tcp_opt_len;
struct iphdr *iph;
@@ -7581,15 +7515,36 @@ bnx2_set_tx_csum(struct net_device *dev, u32 data)
struct bnx2 *bp = netdev_priv(dev);
if (CHIP_NUM(bp) == CHIP_NUM_5709)
- return (ethtool_op_set_tx_ipv6_csum(dev, data));
+ return ethtool_op_set_tx_ipv6_csum(dev, data);
else
- return (ethtool_op_set_tx_csum(dev, data));
+ return ethtool_op_set_tx_csum(dev, data);
}
static int
bnx2_set_flags(struct net_device *dev, u32 data)
{
- return ethtool_op_set_flags(dev, data, ETH_FLAG_RXHASH);
+ struct bnx2 *bp = netdev_priv(dev);
+ int rc;
+
+ if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN) &&
+ !(data & ETH_FLAG_RXVLAN))
+ return -EINVAL;
+
+ rc = ethtool_op_set_flags(dev, data, ETH_FLAG_RXHASH | ETH_FLAG_RXVLAN |
+ ETH_FLAG_TXVLAN);
+ if (rc)
+ return rc;
+
+ if ((!!(data & ETH_FLAG_RXVLAN) !=
+ !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) &&
+ netif_running(dev)) {
+ bnx2_netif_stop(bp, false);
+ bnx2_set_rx_mode(dev);
+ bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
+ bnx2_netif_start(bp, false);
+ }
+
+ return 0;
}
static const struct ethtool_ops bnx2_ethtool_ops = {
@@ -7704,7 +7659,7 @@ bnx2_change_mtu(struct net_device *dev, int new_mtu)
return -EINVAL;
dev->mtu = new_mtu;
- return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size));
+ return bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size);
}
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -7890,6 +7845,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
int rc, i, j;
u32 reg;
u64 dma_mask, persist_dma_mask;
+ int err;
SET_NETDEV_DEV(dev, &pdev->dev);
bp = netdev_priv(dev);
@@ -7926,7 +7882,6 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
}
pci_set_master(pdev);
- pci_save_state(pdev);
bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
if (bp->pm_cap == 0) {
@@ -7981,6 +7936,15 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
bp->flags |= BNX2_FLAG_PCIE;
if (CHIP_REV(bp) == CHIP_REV_Ax)
bp->flags |= BNX2_FLAG_JUMBO_BROKEN;
+
+ /* AER (Advanced Error Reporting) hooks */
+ err = pci_enable_pcie_error_reporting(pdev);
+ if (err) {
+ dev_err(&pdev->dev, "pci_enable_pcie_error_reporting "
+ "failed 0x%x\n", err);
+ /* non-fatal, continue */
+ }
+
} else {
bp->pcix_cap = pci_find_capability(pdev, PCI_CAP_ID_PCIX);
if (bp->pcix_cap == 0) {
@@ -8237,9 +8201,14 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
bp->timer.data = (unsigned long) bp;
bp->timer.function = bnx2_timer;
+ pci_save_state(pdev);
+
return 0;
err_out_unmap:
+ if (bp->flags & BNX2_FLAG_PCIE)
+ pci_disable_pcie_error_reporting(pdev);
+
if (bp->regview) {
iounmap(bp->regview);
bp->regview = NULL;
@@ -8315,9 +8284,6 @@ static const struct net_device_ops bnx2_netdev_ops = {
.ndo_set_mac_address = bnx2_change_mac_addr,
.ndo_change_mtu = bnx2_change_mtu,
.ndo_tx_timeout = bnx2_tx_timeout,
-#ifdef BCM_VLAN
- .ndo_vlan_rx_register = bnx2_vlan_rx_register,
-#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = poll_bnx2,
#endif
@@ -8325,9 +8291,7 @@ static const struct net_device_ops bnx2_netdev_ops = {
static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
{
-#ifdef BCM_VLAN
dev->vlan_features |= flags;
-#endif
}
static int __devinit
@@ -8376,9 +8340,7 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->features |= NETIF_F_IPV6_CSUM;
vlan_features_add(dev, NETIF_F_IPV6_CSUM);
}
-#ifdef BCM_VLAN
dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
-#endif
dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
vlan_features_add(dev, NETIF_F_TSO | NETIF_F_TSO_ECN);
if (CHIP_NUM(bp) == CHIP_NUM_5709) {
@@ -8435,7 +8397,11 @@ bnx2_remove_one(struct pci_dev *pdev)
kfree(bp->temp_stats_blk);
+ if (bp->flags & BNX2_FLAG_PCIE)
+ pci_disable_pcie_error_reporting(pdev);
+
free_netdev(dev);
+
pci_release_regions(pdev);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
@@ -8527,25 +8493,38 @@ static pci_ers_result_t bnx2_io_slot_reset(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
struct bnx2 *bp = netdev_priv(dev);
+ pci_ers_result_t result;
+ int err;
rtnl_lock();
if (pci_enable_device(pdev)) {
dev_err(&pdev->dev,
"Cannot re-enable PCI device after reset\n");
- rtnl_unlock();
- return PCI_ERS_RESULT_DISCONNECT;
+ result = PCI_ERS_RESULT_DISCONNECT;
+ } else {
+ pci_set_master(pdev);
+ pci_restore_state(pdev);
+ pci_save_state(pdev);
+
+ if (netif_running(dev)) {
+ bnx2_set_power_state(bp, PCI_D0);
+ bnx2_init_nic(bp, 1);
+ }
+ result = PCI_ERS_RESULT_RECOVERED;
}
- pci_set_master(pdev);
- pci_restore_state(pdev);
- pci_save_state(pdev);
+ rtnl_unlock();
- if (netif_running(dev)) {
- bnx2_set_power_state(bp, PCI_D0);
- bnx2_init_nic(bp, 1);
+ if (!(bp->flags & BNX2_FLAG_PCIE))
+ return result;
+
+ err = pci_cleanup_aer_uncorrect_error_status(pdev);
+ if (err) {
+ dev_err(&pdev->dev,
+ "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
+ err); /* non-fatal, continue */
}
- rtnl_unlock();
- return PCI_ERS_RESULT_RECOVERED;
+ return result;
}
/**