forge/linux-pinenote
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

net: Fix napi_gro_frags vs netpoll path

Browse source 
The netpoll_rx_on() check in __napi_gro_receive() skips part of the
"common" GRO_NORMAL path, especially "pull:" in dev_gro_receive(),
where at least eth header should be copied for entirely paged skbs.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarek Poplawski 2010-08-05 01:19:11 +00:00 • committed by David S. Miller
commit ce9e76c845
1 changed files with 1 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

5
net/core/dev.c
View file

@ -3072,7 +3072,7 @@ enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
int mac_len;
enum gro_result ret;
if (!(skb->dev->features & NETIF_F_GRO))
if (!(skb->dev->features & NETIF_F_GRO) || netpoll_rx_on(skb))
goto normal;
if (skb_is_gso(skb) || skb_has_frags(skb))
@ -3159,9 +3159,6 @@ __napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
{
struct sk_buff *p;
if (netpoll_rx_on(skb))
return GRO_NORMAL;
for (p = napi->gro_list; p; p = p->next) {
NAPI_GRO_CB(p)->same_flow =
(p->dev == skb->dev) &&