diff options
| author | Jiawen Wu <jiawenwu@trustnetic.com> | 2023-10-11 17:19:04 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-10-13 16:56:07 -0700 |
| commit | 46b92e10d631b6a2c06d151929e87f1d39d72b8a (patch) | |
| tree | 7f9a91e5ef683d893fd12dfd38e6af4f04a25ab4 /drivers/net/ethernet/wangxun/libwx/wx_lib.c | |
| parent | e3bbab4754dec801cefdd1b55920aff1bffac09d (diff) | |
net: libwx: support hardware statistics
Implement update and clear Rx/Tx statistics.
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://lore.kernel.org/r/20231011091906.70486-2-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/wangxun/libwx/wx_lib.c')
| -rw-r--r-- | drivers/net/ethernet/wangxun/libwx/wx_lib.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c index e04d4a5eed7b..2823861e5a92 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c @@ -488,6 +488,7 @@ static bool wx_is_non_eop(struct wx_ring *rx_ring, return false; rx_ring->rx_buffer_info[ntc].skb = skb; + rx_ring->rx_stats.non_eop_descs++; return true; } @@ -721,6 +722,7 @@ static int wx_clean_rx_irq(struct wx_q_vector *q_vector, /* exit if we failed to retrieve a buffer */ if (!skb) { + rx_ring->rx_stats.alloc_rx_buff_failed++; rx_buffer->pagecnt_bias++; break; } @@ -877,9 +879,11 @@ static bool wx_clean_tx_irq(struct wx_q_vector *q_vector, if (__netif_subqueue_stopped(tx_ring->netdev, tx_ring->queue_index) && - netif_running(tx_ring->netdev)) + netif_running(tx_ring->netdev)) { netif_wake_subqueue(tx_ring->netdev, tx_ring->queue_index); + ++tx_ring->tx_stats.restart_queue; + } } return !!budget; @@ -956,6 +960,7 @@ static int wx_maybe_stop_tx(struct wx_ring *tx_ring, u16 size) /* A reprieve! - use start_queue because it doesn't call schedule */ netif_start_subqueue(tx_ring->netdev, tx_ring->queue_index); + ++tx_ring->tx_stats.restart_queue; return 0; } @@ -1533,8 +1538,10 @@ static netdev_tx_t wx_xmit_frame_ring(struct sk_buff *skb, count += TXD_USE_COUNT(skb_frag_size(&skb_shinfo(skb)-> frags[f])); - if (wx_maybe_stop_tx(tx_ring, count + 3)) + if (wx_maybe_stop_tx(tx_ring, count + 3)) { + tx_ring->tx_stats.tx_busy++; return NETDEV_TX_BUSY; + } /* record the location of the first descriptor for this packet */ first = &tx_ring->tx_buffer_info[tx_ring->next_to_use]; @@ -2665,8 +2672,11 @@ void wx_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats) { struct wx *wx = netdev_priv(netdev); + struct wx_hw_stats *hwstats; int i; + wx_update_stats(wx); + rcu_read_lock(); for (i = 0; i < wx->num_rx_queues; i++) { struct wx_ring *ring = READ_ONCE(wx->rx_ring[i]); @@ -2702,6 +2712,12 @@ void wx_get_stats64(struct net_device *netdev, } rcu_read_unlock(); + + hwstats = &wx->stats; + stats->rx_errors = hwstats->crcerrs + hwstats->rlec; + stats->multicast = hwstats->qmprc; + stats->rx_length_errors = hwstats->rlec; + stats->rx_crc_errors = hwstats->crcerrs; } EXPORT_SYMBOL(wx_get_stats64); |