Commit f86586fa authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

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 951dbc8a ([IPV6]: Move nextheader offset
to the IP6CB).

Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6ce28c6f

include/net/tcp.h

+4 −5
Original line number Diff line number Diff line
@@ -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 {

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