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| author | Auke Kok <auke-jan.h.kok@intel.com> | 2006-05-23 10:35:04 -0700 |
|---|---|---|
| committer | Auke Kok <juke-jan.h.kok@intel.com> | 2006-05-23 10:35:04 -0700 |
| commit | 9b8118df486ffec2f42d43dadaceebd0561dd564 (patch) | |
| tree | c50db295920c2e71b9a3de58029315336b2a2103 | |
| parent | ec9c3f5d3b8c4dd7340800f02eed87bdf0233e3b (diff) | |
| download | linux-stable-9b8118df486ffec2f42d43dadaceebd0561dd564.tar.gz linux-stable-9b8118df486ffec2f42d43dadaceebd0561dd564.tar.bz2 linux-stable-9b8118df486ffec2f42d43dadaceebd0561dd564.zip | |
ixgb: add tx timeout counter
This adds a TX timeout counter to the ethtool stats, a tx timeout
debug message, and sets the timer to 5 seconds.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
| -rw-r--r-- | drivers/net/ixgb/ixgb.h | 1 | ||||
| -rw-r--r-- | drivers/net/ixgb/ixgb_ethtool.c | 1 | ||||
| -rw-r--r-- | drivers/net/ixgb/ixgb_main.c | 29 |
3 files changed, 27 insertions, 4 deletions
diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h index a687f1210cb0..b9c37fdc8418 100644 --- a/drivers/net/ixgb/ixgb.h +++ b/drivers/net/ixgb/ixgb.h @@ -180,6 +180,7 @@ struct ixgb_adapter { uint64_t hw_csum_tx_good; uint64_t hw_csum_tx_error; uint32_t tx_int_delay; + uint32_t tx_timeout_count; boolean_t tx_int_delay_enable; boolean_t detect_tx_hung; diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c index 560b4b6c79d0..6d8192f4314c 100644 --- a/drivers/net/ixgb/ixgb_ethtool.c +++ b/drivers/net/ixgb/ixgb_ethtool.c @@ -78,6 +78,7 @@ static struct ixgb_stats ixgb_gstrings_stats[] = { {"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)}, {"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)}, {"tx_deferred_ok", IXGB_STAT(stats.dc)}, + {"tx_timeout_count", IXGB_STAT(tx_timeout_count) }, {"rx_long_length_errors", IXGB_STAT(stats.roc)}, {"rx_short_length_errors", IXGB_STAT(stats.ruc)}, #ifdef NETIF_F_TSO diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index 4115bf360d93..da0b91905ffc 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -428,7 +428,7 @@ ixgb_probe(struct pci_dev *pdev, netdev->change_mtu = &ixgb_change_mtu; ixgb_set_ethtool_ops(netdev); netdev->tx_timeout = &ixgb_tx_timeout; - netdev->watchdog_timeo = HZ; + netdev->watchdog_timeo = 5 * HZ; #ifdef CONFIG_IXGB_NAPI netdev->poll = &ixgb_clean; netdev->weight = 64; @@ -1509,6 +1509,7 @@ ixgb_tx_timeout_task(struct net_device *netdev) { struct ixgb_adapter *adapter = netdev_priv(netdev); + adapter->tx_timeout_count++; ixgb_down(adapter, TRUE); ixgb_up(adapter); } @@ -1838,11 +1839,31 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter) /* detect a transmit hang in hardware, this serializes the * check with the clearing of time_stamp and movement of i */ adapter->detect_tx_hung = FALSE; - if(tx_ring->buffer_info[i].dma && - time_after(jiffies, tx_ring->buffer_info[i].time_stamp + HZ) + if (tx_ring->buffer_info[eop].dma && + time_after(jiffies, tx_ring->buffer_info[eop].time_stamp + HZ) && !(IXGB_READ_REG(&adapter->hw, STATUS) & - IXGB_STATUS_TXOFF)) + IXGB_STATUS_TXOFF)) { + /* detected Tx unit hang */ + DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n" + " TDH <%x>\n" + " TDT <%x>\n" + " next_to_use <%x>\n" + " next_to_clean <%x>\n" + "buffer_info[next_to_clean]\n" + " time_stamp <%lx>\n" + " next_to_watch <%x>\n" + " jiffies <%lx>\n" + " next_to_watch.status <%x>\n", + IXGB_READ_REG(&adapter->hw, TDH), + IXGB_READ_REG(&adapter->hw, TDT), + tx_ring->next_to_use, + tx_ring->next_to_clean, + tx_ring->buffer_info[eop].time_stamp, + eop, + jiffies, + eop_desc->status); netif_stop_queue(netdev); + } } return cleaned; |