From 6d490f62a4c7f11c552591bdd08eda3636aa0db9 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Tue, 7 Jun 2016 15:06:15 -0700 Subject: [PATCH] bgmac: Maintain some netdev statistics Add a few netdev statistics to report transmitted and received bytes and packets and a few obvious errors. Signed-off-by: Florian Fainelli Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bgmac.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 133bf64c7a8b..0ee34cc96bc9 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -246,6 +246,8 @@ err_dma_head: err_drop: dev_kfree_skb(skb); + net_dev->stats.tx_dropped++; + net_dev->stats.tx_errors++; return NETDEV_TX_OK; } @@ -284,6 +286,8 @@ static void bgmac_dma_tx_free(struct bgmac *bgmac, struct bgmac_dma_ring *ring) DMA_TO_DEVICE); if (slot->skb) { + bgmac->net_dev->stats.tx_bytes += slot->skb->len; + bgmac->net_dev->stats.tx_packets++; bytes_compl += slot->skb->len; pkts_compl++; @@ -464,6 +468,7 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring, bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n", ring->start); put_page(virt_to_head_page(buf)); + bgmac->net_dev->stats.rx_errors++; break; } @@ -471,6 +476,8 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring, bgmac_err(bgmac, "Found oversized packet at slot %d, DMA issue!\n", ring->start); put_page(virt_to_head_page(buf)); + bgmac->net_dev->stats.rx_length_errors++; + bgmac->net_dev->stats.rx_errors++; break; } @@ -481,6 +488,7 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring, if (unlikely(!skb)) { bgmac_err(bgmac, "build_skb failed\n"); put_page(virt_to_head_page(buf)); + bgmac->net_dev->stats.rx_errors++; break; } skb_put(skb, BGMAC_RX_FRAME_OFFSET + @@ -490,6 +498,8 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring, skb_checksum_none_assert(skb); skb->protocol = eth_type_trans(skb, bgmac->net_dev); + bgmac->net_dev->stats.rx_bytes += len; + bgmac->net_dev->stats.rx_packets++; napi_gro_receive(&bgmac->napi, skb); handled++; } while (0);