Messages in this thread |  | | Date | Fri, 05 Oct 2001 16:11:05 -0700 (PDT) | Subject | Re: unnecessary retransmit from network stack | From | "David S. Miller" <> |
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From: Christian Widmer <cwidmer@iiic.ethz.ch> Date: Fri, 5 Oct 2001 14:29:53 +0200
why does net_dev.hard_start_xmit get called multiple times with the same tcp packet?
Because the ACK is not coming back for those packets within the RTO (which for a local network is very low). Check your TCP dumps, the ACKs of the original data packets are being dropped in transit.
Franks a lot, 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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