This stale info came from the original idea, which proved to be
unnecessarily complex, sacked_out > 0 is easy to do and that when
it's going to be needed anyway (it _can_ be valid also when
sacked_out == 0 but there's not going to be a guarantee about it
for now).
Signed-off-by: Ilpo Järvinen <[EMAIL PROTECTED]>
---
include/linux/tcp.h | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 1f12fa0..f8cf090 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -332,7 +332,8 @@ struct tcp_sock {
struct tcp_sack_block_wire recv_sack_cache[4];
- u32 highest_sack; /* Start seq of globally highest revd SACK
(valid only in slowpath) */
+ u32 highest_sack; /* Start seq of globally highest revd SACK
+ * (validity guaranteed only if sacked_out > 0)
*/
/* from STCP, retrans queue hinting */
struct sk_buff* lost_skb_hint;
--
1.5.0.6
