Linux kernel increased the TCP_MIB_OUTSEGS even if only retransmitted
octets is send out. RFC2012 saied that it excluding those containing
only retransmitted octets.
Refer to RFC2012, tcpOutSegs is defined as following:
tcpOutSegs OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The total number of segments sent, including those on
current connections but excluding those containing only
retransmitted octets."
::= { tcp 11 }
--- a/net/ipv4/tcp_output.c 2006-02-23 09:20:24.660261904 +0900
+++ b/net/ipv4/tcp_output.c 2006-02-23 09:41:16.393969456 +0900
@@ -379,7 +379,8 @@
if (skb->len != tcp_header_size)
tcp_event_data_sent(tp, skb, sk);
- TCP_INC_STATS(TCP_MIB_OUTSEGS);
+ if (!(tcb->sacked & TCPCB_LOST))
+ TCP_INC_STATS(TCP_MIB_OUTSEGS);
err = tp->af_specific->queue_xmit(skb, 0);
if (unlikely(err <= 0))
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
