diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/igb/igb.h | 13 | ||||
| -rw-r--r-- | drivers/net/igb/igb_ethtool.c | 16 | ||||
| -rw-r--r-- | drivers/net/igb/igb_main.c | 19 |
3 files changed, 38 insertions, 10 deletions
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h index 154c5acc6fce..b2c98dea9eed 100644 --- a/drivers/net/igb/igb.h +++ b/drivers/net/igb/igb.h @@ -137,11 +137,17 @@ struct igb_buffer { }; }; -struct igb_queue_stats { +struct igb_tx_queue_stats { u64 packets; u64 bytes; }; +struct igb_rx_queue_stats { + u64 packets; + u64 bytes; + u64 drops; +}; + struct igb_ring { struct igb_adapter *adapter; /* backlink */ void *desc; /* descriptor ring memory */ @@ -167,12 +173,13 @@ struct igb_ring { union { /* TX */ struct { - struct igb_queue_stats tx_stats; + struct igb_tx_queue_stats tx_stats; bool detect_tx_hung; }; /* RX */ struct { - struct igb_queue_stats rx_stats; + struct igb_rx_queue_stats rx_stats; + u64 rx_queue_drops; struct napi_struct napi; int set_itr; struct igb_ring *buddy; diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c index b8551a57dd3f..2ae98f91372e 100644 --- a/drivers/net/igb/igb_ethtool.c +++ b/drivers/net/igb/igb_ethtool.c @@ -96,9 +96,10 @@ static const struct igb_stats igb_gstrings_stats[] = { }; #define IGB_QUEUE_STATS_LEN \ - ((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues + \ - ((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues) * \ - (sizeof(struct igb_queue_stats) / sizeof(u64))) + (((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues)* \ + (sizeof(struct igb_rx_queue_stats) / sizeof(u64))) + \ + ((((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues) * \ + (sizeof(struct igb_tx_queue_stats) / sizeof(u64)))) #define IGB_GLOBAL_STATS_LEN \ sizeof(igb_gstrings_stats) / sizeof(struct igb_stats) #define IGB_STATS_LEN (IGB_GLOBAL_STATS_LEN + IGB_QUEUE_STATS_LEN) @@ -1960,7 +1961,8 @@ static void igb_get_ethtool_stats(struct net_device *netdev, { struct igb_adapter *adapter = netdev_priv(netdev); u64 *queue_stat; - int stat_count = sizeof(struct igb_queue_stats) / sizeof(u64); + int stat_count_tx = sizeof(struct igb_tx_queue_stats) / sizeof(u64); + int stat_count_rx = sizeof(struct igb_rx_queue_stats) / sizeof(u64); int j; int i; @@ -1973,14 +1975,14 @@ static void igb_get_ethtool_stats(struct net_device *netdev, for (j = 0; j < adapter->num_tx_queues; j++) { int k; queue_stat = (u64 *)&adapter->tx_ring[j].tx_stats; - for (k = 0; k < stat_count; k++) + for (k = 0; k < stat_count_tx; k++) data[i + k] = queue_stat[k]; i += k; } for (j = 0; j < adapter->num_rx_queues; j++) { int k; queue_stat = (u64 *)&adapter->rx_ring[j].rx_stats; - for (k = 0; k < stat_count; k++) + for (k = 0; k < stat_count_rx; k++) data[i + k] = queue_stat[k]; i += k; } @@ -2014,6 +2016,8 @@ static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data) p += ETH_GSTRING_LEN; sprintf(p, "rx_queue_%u_bytes", i); p += ETH_GSTRING_LEN; + sprintf(p, "rx_queue_%u_drops", i); + p += ETH_GSTRING_LEN; } /* BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */ break; 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 + |