Differential D21038 Diff 61568 head/sys/netinet/tcp_stacks/rack_bbr_common.c

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Show First 20 Lines • Show All 489 Lines • ▼ Show 20 Lines	if (todrop > 0) {
} else {		} else {
TCPSTAT_INC(tcps_rcvpartduppack);		TCPSTAT_INC(tcps_rcvpartduppack);
TCPSTAT_ADD(tcps_rcvpartdupbyte, todrop);		TCPSTAT_ADD(tcps_rcvpartdupbyte, todrop);
}		}
/*		/*
* DSACK - add SACK block for dropped range		* DSACK - add SACK block for dropped range
*/		*/
if (tp->t_flags & TF_SACK_PERMIT) {		if (tp->t_flags & TF_SACK_PERMIT) {
tcp_update_sack_list(tp, th->th_seq, th->th_seq + tlen);		tcp_update_sack_list(tp, th->th_seq,
		th->th_seq + todrop);
/*		/*
* ACK now, as the next in-sequence segment		* ACK now, as the next in-sequence segment
* will clear the DSACK block again		* will clear the DSACK block again
*/		*/
tp->t_flags \|= TF_ACKNOW;		tp->t_flags \|= TF_ACKNOW;
}		}
drop_hdrlen += todrop; / drop from the top afterwards */		drop_hdrlen += todrop; / drop from the top afterwards */
th->th_seq += todrop;		th->th_seq += todrop;
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