From: Eric Dumazet Date: Fri, 16 Jul 2010 04:41:00 +0000 (-0700) Subject: tcp: sizeof struct tcp_skb_cb is 44 X-Git-Tag: v2.6.36-rc1~571^2~194 X-Git-Url: https://bbs.cooldavid.org/git/?a=commitdiff_plain;h=f86586fa48a94c7a9c7f36650a2e0e4a947881c9;p=net-next-2.6.git tcp: sizeof struct tcp_skb_cb is 44 Correct comment stating sizeof(struct tcp_skb_cb) is 36 or 40, since its 44 bytes, since commit 951dbc8ac714b04 ([IPV6]: Move nextheader offset to the IP6CB). Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- diff --git a/include/net/tcp.h b/include/net/tcp.h index 468b01f01c1..df6a2eb2019 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -570,11 +570,10 @@ extern u32 __tcp_select_window(struct sock *sk); #define TCPHDR_CWR 0x80 /* This is what the send packet queuing engine uses to pass - * TCP per-packet control information to the transmission - * code. We also store the host-order sequence numbers in - * here too. This is 36 bytes on 32-bit architectures, - * 40 bytes on 64-bit machines, if this grows please adjust - * skbuff.h:skbuff->cb[xxx] size appropriately. + * TCP per-packet control information to the transmission code. + * We also store the host-order sequence numbers in here too. + * This is 44 bytes if IPV6 is enabled. + * If this grows please adjust skbuff.h:skbuff->cb[xxx] size appropriately. */ struct tcp_skb_cb { union {