diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 2ec98091948b..4ae81331dca5 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -3588,8 +3588,25 @@ void igb_update_stats(struct igb_adapter *adapter) /* Rx Errors */ + if (hw->mac.type != e1000_82575) { + u32 rqdpc_tmp; + int i; + /* Read out drops stats per RX queue. Notice RQDPC (Receive + * Queue Drop Packet Count) stats only gets incremented, if + * the DROP_EN but it set (in the SRRCTL register for that + * queue). If DROP_EN bit is NOT set, then the some what + * equivalent count is stored in RNBC (not per queue basis). + * Also note the drop count is due to lack of available + * descriptors. + */ + for (i = 0; i < adapter->num_rx_queues; i++) { + rqdpc_tmp = rd32(E1000_RQDPC(i)) & 0xFFF; + adapter->rx_ring[i].rx_stats.drops += rqdpc_tmp; + } + } + /* RLEC on some newer hardware can be incorrect so build - * our own version based on RUC and ROC */ + * our own version based on RUC and ROC */ adapter->net_stats.rx_errors = adapter->stats.rxerrc + adapter->stats.crcerrs + adapter->stats.algnerrc + adapter->stats.ruc + adapter->stats.roc + |