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gro: Use gso_size to store MSS

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In order to allow GRO packets without frag_list at all, we need to
store the MSS in the packet itself.  The obvious place is gso_size.
The only thing to watch out for is if the packet ends up not being
GRO then we need to clear gso_size before pushing the packet into
the stack.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu
2009-01-04 16:13:19 -08:00
committed by David S. Miller
parent cfc3a44c3c
commit b530256d2e
3 changed files with 4 additions and 4 deletions
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2
net/core/dev.c
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@@ -2365,6 +2365,7 @@ static int napi_gro_complete(struct sk_buff *skb)
}
out:
skb_shinfo(skb)->gso_size = 0;
__skb_push(skb, -skb_network_offset(skb));
return netif_receive_skb(skb);
}
@@ -2446,6 +2447,7 @@ int napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
}
NAPI_GRO_CB(skb)->count = 1;
skb_shinfo(skb)->gso_size = skb->len;
skb->next = napi->gro_list;
napi->gro_list = skb;