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authorEric Dumazet <edumazet@google.com>2015-06-11 09:15:15 -0700
committerDavid S. Miller <davem@davemloft.net>2015-06-11 16:33:10 -0700
commita7eea416cb08a514f94c0ca5ff30c18783fab054 (patch)
tree78f17fe6f80ec35b08f71cffd333274bea1896a7 /net
parent57225e7720ac3d7ffcb0086c716753abf6e54e8d (diff)
tcp: reserve tcp_skb_mss() to tcp stack
tcp_gso_segment() and tcp_gro_receive() are not strictly part of TCP stack. They should not assume tcp_skb_mss(skb) is in fact skb_shinfo(skb)->gso_size. This will allow us to change tcp_skb_mss() in following patches. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/tcp_offload.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c
index 3f7c2fca5431..9864a2dbadce 100644
--- a/net/ipv4/tcp_offload.c
+++ b/net/ipv4/tcp_offload.c
@@ -77,7 +77,7 @@ struct sk_buff *tcp_gso_segment(struct sk_buff *skb,
oldlen = (u16)~skb->len;
__skb_pull(skb, thlen);
- mss = tcp_skb_mss(skb);
+ mss = skb_shinfo(skb)->gso_size;
if (unlikely(skb->len <= mss))
goto out;
@@ -242,7 +242,7 @@ found:
flush |= *(u32 *)((u8 *)th + i) ^
*(u32 *)((u8 *)th2 + i);
- mss = tcp_skb_mss(p);
+ mss = skb_shinfo(p)->gso_size;
flush |= (len - 1) >= mss;
flush |= (ntohl(th2->seq) + skb_gro_len(p)) ^ ntohl(th->seq);

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