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authorEric Dumazet <eric.dumazet@gmail.com>2010-07-15 21:41:00 -0700
committerDavid S. Miller <davem@davemloft.net>2010-07-15 21:41:00 -0700
commitf86586fa48a94c7a9c7f36650a2e0e4a947881c9 (patch)
treed977100a3c72dcaeaeb90c0b776b36c2e8a57b90 /include
parent6ce28c6f55fe636c322ea909794cf19b20ef4b6b (diff)
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 <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/tcp.h9
1 files changed, 4 insertions, 5 deletions
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 {