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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 <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2016-06-07 15:06:15 -07:00 committed by David S. Miller
parent f6613d4fa9
commit 6d490f62a4
1 changed files with 10 additions and 0 deletions
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10
drivers/net/ethernet/broadcom/bgmac.c
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@ -246,6 +246,8 @@ err_dma_head:
err_drop: err_drop:
dev_kfree_skb(skb); dev_kfree_skb(skb);
net_dev->stats.tx_dropped++;
net_dev->stats.tx_errors++;
return NETDEV_TX_OK; 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); DMA_TO_DEVICE);
if (slot->skb) { if (slot->skb) {
bgmac->net_dev->stats.tx_bytes += slot->skb->len;
bgmac->net_dev->stats.tx_packets++;
bytes_compl += slot->skb->len; bytes_compl += slot->skb->len;
pkts_compl++; 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", bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
ring->start); ring->start);
put_page(virt_to_head_page(buf)); put_page(virt_to_head_page(buf));
bgmac->net_dev->stats.rx_errors++;
break; 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", bgmac_err(bgmac, "Found oversized packet at slot %d, DMA issue!\n",
ring->start); ring->start);
put_page(virt_to_head_page(buf)); put_page(virt_to_head_page(buf));
bgmac->net_dev->stats.rx_length_errors++;
bgmac->net_dev->stats.rx_errors++;
break; break;
} }
@ -481,6 +488,7 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
if (unlikely(!skb)) { if (unlikely(!skb)) {
bgmac_err(bgmac, "build_skb failed\n"); bgmac_err(bgmac, "build_skb failed\n");
put_page(virt_to_head_page(buf)); put_page(virt_to_head_page(buf));
bgmac->net_dev->stats.rx_errors++;
break; break;
} }
skb_put(skb, BGMAC_RX_FRAME_OFFSET + 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_checksum_none_assert(skb);
skb->protocol = eth_type_trans(skb, bgmac->net_dev); 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); napi_gro_receive(&bgmac->napi, skb);
handled++; handled++;
} while (0); } while (0);