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Diffstat (limited to 'drivers/net/bnx2x_main.c')
-rw-r--r--drivers/net/bnx2x_main.c236
1 files changed, 152 insertions, 84 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 942717526d6..00a78e8677b 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -53,9 +53,10 @@
#include "bnx2x.h"
#include "bnx2x_init.h"
+#include "bnx2x_dump.h"
-#define DRV_MODULE_VERSION "1.48.102"
-#define DRV_MODULE_RELDATE "2009/02/12"
+#define DRV_MODULE_VERSION "1.48.105"
+#define DRV_MODULE_RELDATE "2009/03/02"
#define BNX2X_BC_VER 0x040200
/* Time in jiffies before concluding the transmitter is hung */
@@ -72,6 +73,7 @@ MODULE_VERSION(DRV_MODULE_VERSION);
static int multi_mode = 1;
module_param(multi_mode, int, 0);
+MODULE_PARM_DESC(multi_mode, " Use per-CPU queues");
static int disable_tpa;
module_param(disable_tpa, int, 0);
@@ -215,7 +217,7 @@ void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
dmae->comp_val = DMAE_COMP_VAL;
- DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
+ DP(BNX2X_MSG_OFF, "DMAE: opcode 0x%08x\n"
DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
"dst_addr [%x:%08x (%08x)]\n"
DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
@@ -236,7 +238,7 @@ void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
if (!cnt) {
- BNX2X_ERR("dmae timeout!\n");
+ BNX2X_ERR("DMAE timeout!\n");
break;
}
cnt--;
@@ -291,7 +293,7 @@ void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
dmae->comp_val = DMAE_COMP_VAL;
- DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n"
+ DP(BNX2X_MSG_OFF, "DMAE: opcode 0x%08x\n"
DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
"dst_addr [%x:%08x (%08x)]\n"
DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
@@ -308,7 +310,7 @@ void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
while (*wb_comp != DMAE_COMP_VAL) {
if (!cnt) {
- BNX2X_ERR("dmae timeout!\n");
+ BNX2X_ERR("DMAE timeout!\n");
break;
}
cnt--;
@@ -516,13 +518,13 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
for_each_rx_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
- BNX2X_ERR("queue[%d]: rx_bd_prod(%x) rx_bd_cons(%x)"
+ BNX2X_ERR("fp%d: rx_bd_prod(%x) rx_bd_cons(%x)"
" *rx_bd_cons_sb(%x) rx_comp_prod(%x)"
" rx_comp_cons(%x) *rx_cons_sb(%x)\n",
i, fp->rx_bd_prod, fp->rx_bd_cons,
le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod,
fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
- BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
+ BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)"
" fp_u_idx(%x) *sb_u_idx(%x)\n",
fp->rx_sge_prod, fp->last_max_sge,
le16_to_cpu(fp->fp_u_idx),
@@ -534,11 +536,11 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
struct bnx2x_fastpath *fp = &bp->fp[i];
struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
- BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
+ BNX2X_ERR("fp%d: tx_pkt_prod(%x) tx_pkt_cons(%x)"
" tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n",
i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
- BNX2X_ERR(" fp_c_idx(%x) *sb_c_idx(%x)"
+ BNX2X_ERR(" fp_c_idx(%x) *sb_c_idx(%x)"
" bd data(%x,%x)\n", le16_to_cpu(fp->fp_c_idx),
fp->status_blk->c_status_block.status_block_index,
hw_prods->packets_prod, hw_prods->bds_prod);
@@ -555,8 +557,8 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
- BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
- j, rx_bd[1], rx_bd[0], sw_bd->skb);
+ BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
+ i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
}
start = RX_SGE(fp->rx_sge_prod);
@@ -565,8 +567,8 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
- BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
- j, rx_sge[1], rx_sge[0], sw_page->page);
+ BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
+ i, j, rx_sge[1], rx_sge[0], sw_page->page);
}
start = RCQ_BD(fp->rx_comp_cons - 10);
@@ -574,8 +576,8 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
for (j = start; j != end; j = RCQ_BD(j + 1)) {
u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
- BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
- j, cqe[0], cqe[1], cqe[2], cqe[3]);
+ BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
+ i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
}
}
@@ -588,8 +590,8 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
for (j = start; j != end; j = TX_BD(j + 1)) {
struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
- BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
- sw_bd->skb, sw_bd->first_bd);
+ BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
+ i, j, sw_bd->skb, sw_bd->first_bd);
}
start = TX_BD(fp->tx_bd_cons - 10);
@@ -597,8 +599,8 @@ static void bnx2x_panic_dump(struct bnx2x *bp)
for (j = start; j != end; j = TX_BD(j + 1)) {
u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
- BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
- j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
+ BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
+ i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
}
}
@@ -874,7 +876,7 @@ static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
return (s16)(fp->bp->tx_ring_size) - used;
}
-static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
+static void bnx2x_tx_int(struct bnx2x_fastpath *fp)
{
struct bnx2x *bp = fp->bp;
struct netdev_queue *txq;
@@ -908,26 +910,24 @@ static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
sw_cons++;
done++;
-
- if (done == work)
- break;
}
fp->tx_pkt_cons = sw_cons;
fp->tx_bd_cons = bd_cons;
- /* Need to make the tx_bd_cons update visible to start_xmit()
- * before checking for netif_tx_queue_stopped(). Without the
- * memory barrier, there is a small possibility that start_xmit()
- * will miss it and cause the queue to be stopped forever.
- */
- smp_mb();
-
/* TBD need a thresh? */
if (unlikely(netif_tx_queue_stopped(txq))) {
__netif_tx_lock(txq, smp_processor_id());
+ /* Need to make the tx_bd_cons update visible to start_xmit()
+ * before checking for netif_tx_queue_stopped(). Without the
+ * memory barrier, there is a small possibility that
+ * start_xmit() will miss it and cause the queue to be stopped
+ * forever.
+ */
+ smp_mb();
+
if ((netif_tx_queue_stopped(txq)) &&
(bp->state == BNX2X_STATE_OPEN) &&
(bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
@@ -3668,7 +3668,7 @@ static int bnx2x_hw_stats_update(struct bnx2x *bp)
bnx2x_emac_stats_update(bp);
else { /* unreached */
- BNX2X_ERR("stats updated by dmae but no MAC active\n");
+ BNX2X_ERR("stats updated by DMAE but no MAC active\n");
return -1;
}
@@ -4176,7 +4176,7 @@ static void bnx2x_timer(unsigned long data)
struct bnx2x_fastpath *fp = &bp->fp[0];
int rc;
- bnx2x_tx_int(fp, 1000);
+ bnx2x_tx_int(fp);
rc = bnx2x_rx_int(fp, 1000);
}
@@ -4224,10 +4224,10 @@ static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id)
{
int port = BP_PORT(bp);
- bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
+ bnx2x_init_fill(bp, USTORM_INTMEM_ADDR +
USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
sizeof(struct ustorm_status_block)/4);
- bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
+ bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR +
CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0,
sizeof(struct cstorm_status_block)/4);
}
@@ -4281,18 +4281,18 @@ static void bnx2x_zero_def_sb(struct bnx2x *bp)
{
int func = BP_FUNC(bp);
- bnx2x_init_fill(bp, BAR_USTRORM_INTMEM +
+ bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR +
+ TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
+ sizeof(struct tstorm_def_status_block)/4);
+ bnx2x_init_fill(bp, USTORM_INTMEM_ADDR +
USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
sizeof(struct ustorm_def_status_block)/4);
- bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM +
+ bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR +
CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
sizeof(struct cstorm_def_status_block)/4);
- bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM +
+ bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR +
XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
sizeof(struct xstorm_def_status_block)/4);
- bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM +
- TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0,
- sizeof(struct tstorm_def_status_block)/4);
}
static void bnx2x_init_def_sb(struct bnx2x *bp,
@@ -5153,6 +5153,10 @@ static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
bnx2x_update_fpsb_idx(fp);
}
+ /* ensure status block indices were read */
+ rmb();
+
+
bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping,
DEF_SB_ID);
bnx2x_update_dsb_idx(bp);
@@ -5612,37 +5616,10 @@ static int bnx2x_init_common(struct bnx2x *bp)
bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END);
bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END);
- if (CHIP_IS_E1H(bp)) {
- bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1H/2);
- bnx2x_init_fill(bp,
- USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2,
- 0, STORM_INTMEM_SIZE_E1H/2);
- } else { /* E1 */
- bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0,
- STORM_INTMEM_SIZE_E1);
- }
+ bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE(bp));
+ bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE(bp));
+ bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE(bp));
+ bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE(bp));
bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END);
bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END);
@@ -6597,10 +6574,8 @@ static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
{
bnx2x_int_disable_sync(bp, disable_hw);
bnx2x_napi_disable(bp);
- if (netif_running(bp->dev)) {
- netif_tx_disable(bp->dev);
- bp->dev->trans_start = jiffies; /* prevent tx timeout */
- }
+ netif_tx_disable(bp->dev);
+ bp->dev->trans_start = jiffies; /* prevent tx timeout */
}
/*
@@ -7210,10 +7185,9 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
struct bnx2x_fastpath *fp = &bp->fp[i];
cnt = 1000;
- smp_mb();
while (bnx2x_has_tx_work_unload(fp)) {
- bnx2x_tx_int(fp, 1000);
+ bnx2x_tx_int(fp);
if (!cnt) {
BNX2X_ERR("timeout waiting for queue[%d]\n",
i);
@@ -7226,7 +7200,6 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
}
cnt--;
msleep(1);
- smp_mb();
}
}
/* Give HW time to discard old tx messages */
@@ -8499,6 +8472,84 @@ static void bnx2x_get_drvinfo(struct net_device *dev,
info->regdump_len = 0;
}
+#define IS_E1_ONLINE(info) (((info) & RI_E1_ONLINE) == RI_E1_ONLINE)
+#define IS_E1H_ONLINE(info) (((info) & RI_E1H_ONLINE) == RI_E1H_ONLINE)
+
+static int bnx2x_get_regs_len(struct net_device *dev)
+{
+ static u32 regdump_len;
+ struct bnx2x *bp = netdev_priv(dev);
+ int i;
+
+ if (regdump_len)
+ return regdump_len;
+
+ if (CHIP_IS_E1(bp)) {
+ for (i = 0; i < REGS_COUNT; i++)
+ if (IS_E1_ONLINE(reg_addrs[i].info))
+ regdump_len += reg_addrs[i].size;
+
+ for (i = 0; i < WREGS_COUNT_E1; i++)
+ if (IS_E1_ONLINE(wreg_addrs_e1[i].info))
+ regdump_len += wreg_addrs_e1[i].size *
+ (1 + wreg_addrs_e1[i].read_regs_count);
+
+ } else { /* E1H */
+ for (i = 0; i < REGS_COUNT; i++)
+ if (IS_E1H_ONLINE(reg_addrs[i].info))
+ regdump_len += reg_addrs[i].size;
+
+ for (i = 0; i < WREGS_COUNT_E1H; i++)
+ if (IS_E1H_ONLINE(wreg_addrs_e1h[i].info))
+ regdump_len += wreg_addrs_e1h[i].size *
+ (1 + wreg_addrs_e1h[i].read_regs_count);
+ }
+ regdump_len *= 4;
+ regdump_len += sizeof(struct dump_hdr);
+
+ return regdump_len;
+}
+
+static void bnx2x_get_regs(struct net_device *dev,
+ struct ethtool_regs *regs, void *_p)
+{
+ u32 *p = _p, i, j;
+ struct bnx2x *bp = netdev_priv(dev);
+ struct dump_hdr dump_hdr = {0};
+
+ regs->version = 0;
+ memset(p, 0, regs->len);
+
+ if (!netif_running(bp->dev))
+ return;
+
+ dump_hdr.hdr_size = (sizeof(struct dump_hdr) / 4) - 1;
+ dump_hdr.dump_sign = dump_sign_all;
+ dump_hdr.xstorm_waitp = REG_RD(bp, XSTORM_WAITP_ADDR);
+ dump_hdr.tstorm_waitp = REG_RD(bp, TSTORM_WAITP_ADDR);
+ dump_hdr.ustorm_waitp = REG_RD(bp, USTORM_WAITP_ADDR);
+ dump_hdr.cstorm_waitp = REG_RD(bp, CSTORM_WAITP_ADDR);
+ dump_hdr.info = CHIP_IS_E1(bp) ? RI_E1_ONLINE : RI_E1H_ONLINE;
+
+ memcpy(p, &dump_hdr, sizeof(struct dump_hdr));
+ p += dump_hdr.hdr_size + 1;
+
+ if (CHIP_IS_E1(bp)) {
+ for (i = 0; i < REGS_COUNT; i++)
+ if (IS_E1_ONLINE(reg_addrs[i].info))
+ for (j = 0; j < reg_addrs[i].size; j++)
+ *p++ = REG_RD(bp,
+ reg_addrs[i].addr + j*4);
+
+ } else { /* E1H */
+ for (i = 0; i < REGS_COUNT; i++)
+ if (IS_E1H_ONLINE(reg_addrs[i].info))
+ for (j = 0; j < reg_addrs[i].size; j++)
+ *p++ = REG_RD(bp,
+ reg_addrs[i].addr + j*4);
+ }
+}
+
static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct bnx2x *bp = netdev_priv(dev);
@@ -9954,6 +10005,8 @@ static struct ethtool_ops bnx2x_ethtool_ops = {
.get_settings = bnx2x_get_settings,
.set_settings = bnx2x_set_settings,
.get_drvinfo = bnx2x_get_drvinfo,
+ .get_regs_len = bnx2x_get_regs_len,
+ .get_regs = bnx2x_get_regs,
.get_wol = bnx2x_get_wol,
.set_wol = bnx2x_set_wol,
.get_msglevel = bnx2x_get_msglevel,
@@ -10066,16 +10119,29 @@ static int bnx2x_poll(struct napi_struct *napi, int budget)
bnx2x_update_fpsb_idx(fp);
if (bnx2x_has_tx_work(fp))
- bnx2x_tx_int(fp, budget);
+ bnx2x_tx_int(fp);
- if (bnx2x_has_rx_work(fp))
+ if (bnx2x_has_rx_work(fp)) {
work_done = bnx2x_rx_int(fp, budget);
- rmb(); /* BNX2X_HAS_WORK() reads the status block */
+ /* must not complete if we consumed full budget */
+ if (work_done >= budget)
+ goto poll_again;
+ }
- /* must not complete if we consumed full budget */
- if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) {
+ /* BNX2X_HAS_WORK() reads the status block, thus we need to
+ * ensure that status block indices have been actually read
+ * (bnx2x_update_fpsb_idx) prior to this check (BNX2X_HAS_WORK)
+ * so that we won't write the "newer" value of the status block to IGU
+ * (if there was a DMA right after BNX2X_HAS_WORK and
+ * if there is no rmb, the memory reading (bnx2x_update_fpsb_idx)
+ * may be postponed to right before bnx2x_ack_sb). In this case
+ * there will never be another interrupt until there is another update
+ * of the status block, while there is still unhandled work.
+ */
+ rmb();
+ if (!BNX2X_HAS_WORK(fp)) {
#ifdef BNX2X_STOP_ON_ERROR
poll_panic:
#endif
@@ -10087,6 +10153,7 @@ poll_panic:
le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1);
}
+poll_again:
return work_done;
}
@@ -11062,6 +11129,7 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev,
(bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz",
dev->base_addr, bp->pdev->irq);
printk(KERN_CONT "node addr %pM\n", dev->dev_addr);
+
return 0;
init_one_exit:
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-06-02 15:55:42 +0000