Messages in this thread | | | From | "David S. Miller" <> | Date | Sat, 3 Mar 2001 01:11:01 -0800 (PST) | Subject | Re: TCP Congestion Window Bug? |
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Mark Reginald James writes: > TCP only sends a packet if: > > tcp_packets_in_flight(tp) < tp->snd_cwnd > > (function tcp_snd_test in include/net/tcp.h) > > but regards transmission as application-limited if > > tp->packets_out < tp->snd_cwnd > > (function tcp_cwnd_validate in include/net/tcp.h) > > So the kernel _always_ thinks the connection is > application-limited
Why? After the final "send a packet if" test, tp->packets_out will be incremented and thus be equal to tp->snd_cwnd, marking the connection as _not_ application limited.
Later, David S. Miller davem@redhat.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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