Differential D20908 Diff 59737 head/sys/netinet/tcp_stacks/rack.c

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head/sys/netinet/tcp_stacks/rack.c

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/*		/*
* This is a pure, in-sequence data packet with nothing on the		* This is a pure, in-sequence data packet with nothing on the
* reassembly queue and we have enough buffer space to take it.		* reassembly queue and we have enough buffer space to take it.
*/		*/
nsegs = max(1, m->m_pkthdr.lro_nsegs);		nsegs = max(1, m->m_pkthdr.lro_nsegs);


/* Clean receiver SACK report if present */		/* Clean receiver SACK report if present */
/* if (tp->rcv_numsacks)		if (tp->rcv_numsacks)
tcp_clean_sackreport(tp);		tcp_clean_sackreport(tp);
*/
TCPSTAT_INC(tcps_preddat);		TCPSTAT_INC(tcps_preddat);
tp->rcv_nxt += tlen;		tp->rcv_nxt += tlen;
/*		/*
* Pull snd_wl1 up to prevent seq wrap relative to th_seq.		* Pull snd_wl1 up to prevent seq wrap relative to th_seq.
*/		*/
tp->snd_wl1 = th->th_seq;		tp->snd_wl1 = th->th_seq;
/*		/*
* Pull rcv_up up to prevent seq wrap relative to rcv_nxt.		* Pull rcv_up up to prevent seq wrap relative to rcv_nxt.
▲ Show 20 Lines • Show All 3,431 Lines • ▼ Show 20 Lines	if (lgb) {
lgb->tlb_errno = error;		lgb->tlb_errno = error;
lgb = NULL;		lgb = NULL;
}		}
/*		/*
* In transmit state, time the transmission and arrange for the		* In transmit state, time the transmission and arrange for the
* retransmit. In persist state, just set snd_max.		* retransmit. In persist state, just set snd_max.
*/		*/
if (error == 0) {		if (error == 0) {
/* if (TCPS_HAVEESTABLISHED(tp->t_state) &&		if (TCPS_HAVEESTABLISHED(tp->t_state) &&
(tp->t_flags & TF_SACK_PERMIT) &&		(tp->t_flags & TF_SACK_PERMIT) &&
tp->rcv_numsacks > 0)		tp->rcv_numsacks > 0)
tcp_clean_dsack_blocks(tp);*/		tcp_clean_dsack_blocks(tp);
if (len == 0)		if (len == 0)
counter_u64_add(rack_out_size[TCP_MSS_ACCT_SNDACK], 1);		counter_u64_add(rack_out_size[TCP_MSS_ACCT_SNDACK], 1);
else if (len == 1) {		else if (len == 1) {
counter_u64_add(rack_out_size[TCP_MSS_ACCT_PERSIST], 1);		counter_u64_add(rack_out_size[TCP_MSS_ACCT_PERSIST], 1);
} else if (len > 1) {		} else if (len > 1) {
int idx;		int idx;

idx = (len / tp->t_maxseg) + 3;		idx = (len / tp->t_maxseg) + 3;
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