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authorPetri Gynther <pgynther@google.com>2015-07-10 16:20:00 -0700
committerDavid S. Miller <davem@davemloft.net>2015-07-11 21:16:08 -0700
commitc590032f9ab8d03aab235a7601db22a267c2d958 (patch)
tree227ad660d2e3efabc382a9d698b071cea4c86709 /drivers/net/ethernet/broadcom/genet/bcmgenet.c
parent22401ff17f993bda9acd14ac39213e6f9bb985d0 (diff)
net: bcmgenet: fix accounting of packet drops vs errors
bcmgenet driver needs to separate packet drops from packet errors. When the driver has to drop a *good* packet, due to lack of buffers or replacement skbs, increment only dev->stats.[rx|tx]_dropped. When the driver encounters a bad Rx packet or Tx error, increment only dev->stats.[rx|tx]_errors + relevant detailed error counter. Signed-off-by: Petri Gynther <pgynther@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/genet/bcmgenet.c')
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index b43b2cb9b830..64c1e9db6b0b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1230,7 +1230,6 @@ static struct sk_buff *bcmgenet_put_tx_csum(struct net_device *dev,
new_skb = skb_realloc_headroom(skb, sizeof(*status));
dev_kfree_skb(skb);
if (!new_skb) {
- dev->stats.tx_errors++;
dev->stats.tx_dropped++;
return NULL;
}
@@ -1465,7 +1464,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring,
if (unlikely(!skb)) {
dev->stats.rx_dropped++;
- dev->stats.rx_errors++;
goto next;
}
@@ -1493,7 +1491,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring,
if (unlikely(!(dma_flag & DMA_EOP) || !(dma_flag & DMA_SOP))) {
netif_err(priv, rx_status, dev,
"dropping fragmented packet!\n");
- dev->stats.rx_dropped++;
dev->stats.rx_errors++;
dev_kfree_skb_any(skb);
goto next;
@@ -1515,7 +1512,6 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring,
dev->stats.rx_frame_errors++;
if (dma_flag & DMA_RX_LG)
dev->stats.rx_length_errors++;
- dev->stats.rx_dropped++;
dev->stats.rx_errors++;
dev_kfree_skb_any(skb);
goto next;