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authorFlorian Fainelli <f.fainelli@gmail.com>2016-06-08 01:06:15 +0300
committerDavid S. Miller <davem@davemloft.net>2016-06-10 09:37:24 +0300
commit6d490f62a4c7f11c552591bdd08eda3636aa0db9 (patch)
treebf1ee85b455c6e9d933ee0e5d14379c03caece26 /drivers/net/ethernet/broadcom/bgmac.c
parentf6613d4fa937fa8388f2c1cb4e69ccc25e9e2336 (diff)
downloadlinux-6d490f62a4c7f11c552591bdd08eda3636aa0db9.tar.xz
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>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bgmac.c')
-rw-r--r--drivers/net/ethernet/broadcom/bgmac.c10
1 files changed, 10 insertions, 0 deletions
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);