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net: congestion notifications are not dropped packets 

vlan/macvlan start_xmit() can inform caller of congestion with
NET_XMIT_CN return value. This doesnt mean packet was dropped.
Increment normal stat counters instead of tx_dropped.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2010-05-10 04:51:02 +00:00 committed by David S. Miller
parent a465419b1f
commit 2d6c9ffcca
2 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/macvlan.c
View File

@ -239,7 +239,7 @@ netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
int ret;
ret = macvlan_queue_xmit(skb, dev);
if (likely(ret == NET_XMIT_SUCCESS)) {
if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
txq->tx_packets++;
txq->tx_bytes += len;
} else

4
net/8021q/vlan_dev.c
View File

@ -327,7 +327,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
len = skb->len;
ret = dev_queue_xmit(skb);
if (likely(ret == NET_XMIT_SUCCESS)) {
if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
txq->tx_packets++;
txq->tx_bytes += len;
} else
@ -353,7 +353,7 @@ static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
len = skb->len;
ret = dev_queue_xmit(skb);
if (likely(ret == NET_XMIT_SUCCESS)) {
if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) {
txq->tx_packets++;
txq->tx_bytes += len;
} else