* David Miller <[EMAIL PROTECTED]> [070306 23:47]: > From: Baruch Even <[EMAIL PROTECTED]> > Date: Tue, 6 Mar 2007 21:42:59 +0200 > > > * Ilpo J?rvinen <[EMAIL PROTECTED]> [070306 14:52]: > > > + newtp->highest_sack = treq->snt_isn + 1; > > > > That's the only initialization that you have for highest_sack, I think > > that you should initialize it when a loss is detected to the start_seq > > of the first packet that wasn't acked. > > He also sets it in tcp_sacktag_write_queue() like this: > > + > + if (after(TCP_SKB_CB(skb)->seq, > + tp->highest_sack)) > + tp->highest_sack = TCP_SKB_CB(skb)->seq;
Yes, but that's still not enough if between the start of the connection and the first sack block we already wrapped around to before the old highest_sack. It might not be a common occurrence but it's still something to take care of. Baruch - 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