Searched refs:delta (Results 1 - 25 of 44) sorted by relevance

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/net/
H A Dactivity_stats.c42 s64 delta; local
46 delta = ktime_to_ns(ktime_sub(now, last_transmit));
50 * Check if the time delta between network activity is within the
53 if (delta < (1000000000ULL << i))
/net/ipv4/
H A Dtcp_westwood.c85 static void westwood_filter(struct westwood *w, u32 delta) argument
89 w->bw_ns_est = w->bk / delta;
92 w->bw_ns_est = westwood_do_filter(w->bw_ns_est, w->bk / delta);
118 s32 delta = tcp_time_stamp - w->rtt_win_sx; local
138 if (w->rtt && delta > max_t(u32, w->rtt, TCP_WESTWOOD_RTT_MIN)) {
139 westwood_filter(w, delta);
H A Dtcp_cubic.c210 u32 delta, bic_target, max_cnt; local
266 delta = (cube_rtt_scale * offs * offs * offs) >> (10+3*BICTCP_HZ);
268 bic_target = ca->bic_origin_point - delta;
270 bic_target = ca->bic_origin_point + delta;
290 delta = (cwnd * scale) >> 3;
291 while (ca->ack_cnt > delta) { /* update tcp cwnd */
292 ca->ack_cnt -= delta;
297 delta = ca->tcp_cwnd - cwnd;
298 max_cnt = cwnd / delta;
H A Dtcp_illinois.c275 u32 delta; local
284 delta = (tp->snd_cwnd_cnt * ca->alpha) >> ALPHA_SHIFT;
285 if (delta >= tp->snd_cwnd) {
286 tp->snd_cwnd = min(tp->snd_cwnd + delta / tp->snd_cwnd,
H A Dtcp_offload.c62 __be32 delta; local
122 delta = htonl(oldlen + (thlen + mss));
132 (__force u32)delta));
167 delta = htonl(oldlen + (skb_tail_pointer(skb) -
171 (__force u32)delta));
H A Dicmp.c254 u32 credit, delta, incr = 0, now = (u32)jiffies; local
261 delta = min_t(u32, now - icmp_global.stamp, HZ);
262 if (delta < HZ / 50)
267 delta = min_t(u32, now - icmp_global.stamp, HZ);
268 if (delta >= HZ / 50) {
269 incr = sysctl_icmp_msgs_per_sec * delta / HZ ;
H A Dinetpeer.c388 __u32 delta, ttl; local
403 delta = (__u32)jiffies - p->dtime;
404 if (delta >= ttl &&
H A Dudp_offload.c90 __be32 delta = htonl(oldlen + len); local
94 (__force u32)delta));
/net/dccp/ccids/
H A Dccid3.c108 u32 delta = ktime_us_delta(now, hc->tx_t_last_win_count); local
110 return delta / hc->tx_rtt;
188 u32 delta = ktime_us_delta(now, hc->tx_t_last_win_count), local
189 quarter_rtts = (4 * delta) / hc->tx_rtt;
337 * if (t_now > t_nom - delta)
439 * As we have calculated new ipi, delta, t_nom it is possible
603 s64 delta = 0; local
625 delta = ktime_us_delta(now, hc->rx_tstamp_last_feedback);
626 if (delta <= 0)
627 DCCP_BUG("delta (
682 u32 x_recv, p, delta; local
[all...]
/net/dccp/
H A Dinput.c554 long delta = dccp_timestamp() - sample; local
556 dp->dccps_syn_rtt = dccp_sample_rtt(sk, 10 * delta);
712 * @delta: number of microseconds between packet and acknowledgment
717 u32 dccp_sample_rtt(struct sock *sk, long delta) argument
720 delta -= dccp_sk(sk)->dccps_options_received.dccpor_elapsed_time * 10;
722 if (unlikely(delta <= 0)) {
723 DCCP_WARN("unusable RTT sample %ld, using min\n", delta);
726 if (unlikely(delta > DCCP_SANE_RTT_MAX)) {
727 DCCP_WARN("RTT sample %ld too large, using max\n", delta);
731 return delta;
[all...]
H A Ddccp.h127 u64 delta = SUB48(seqno2, seqno1); local
129 return TO_SIGNED48(delta);
160 s64 delta = dccp_delta_seqno(s1, s2); local
162 WARN_ON(delta < 0);
163 delta -= ndp + 1;
165 return delta > 0 ? delta : 0;
328 u32 dccp_sample_rtt(struct sock *sk, long delta);
H A Dackvec.c289 s64 delta; local
299 delta = dccp_delta_seqno(av->av_tail_ackno, avr->avr_ack_ackno);
300 if (delta < 0)
306 eff_runlen = delta < avr->avr_ack_runlen ? delta : avr->avr_ack_runlen;
H A Dtimer.c283 u64 delta = (u64)ktime_us_delta(ktime_get_real(), dccp_timestamp_seed); local
285 do_div(delta, 10);
286 return delta;
/net/netfilter/ipvs/
H A Dip_vs_app.c298 * Adjust seq with delta-offset for all packets after
302 if (vseq->delta || vseq->previous_delta) {
304 th->seq = htonl(seq + vseq->delta);
305 IP_VS_DBG(9, "%s(): added delta (%d) to seq\n",
306 __func__, vseq->delta);
325 * Adjust ack_seq with delta-offset for
329 if (vseq->delta || vseq->previous_delta) {
331 to receive next, so compare it with init_seq+delta */
332 if(after(ack_seq, vseq->init_seq+vseq->delta)) {
333 th->ack_seq = htonl(ack_seq - vseq->delta);
[all...]
/net/sunrpc/
H A Dstats.c145 ktime_t delta; local
159 delta = ktime_sub(req->rq_xtime, task->tk_start);
160 op_metrics->om_queue = ktime_add(op_metrics->om_queue, delta);
164 delta = ktime_sub(ktime_get(), task->tk_start);
165 op_metrics->om_execute = ktime_add(op_metrics->om_execute, delta);
/net/sched/
H A Dsch_codel.c226 codel_tdiff_t delta = q->vars.drop_next - codel_get_time(); local
228 if (delta >= 0)
229 st.drop_next = codel_time_to_us(delta);
231 st.drop_next = -codel_time_to_us(-delta);
H A Dsch_pie.c316 s32 delta = 0; /* determines the change in probability */ local
363 delta += alpha * ((qdelay - q->params.target));
364 delta += beta * ((qdelay - qdelay_old));
369 if (delta > (s32) (MAX_PROB / (100 / 2)) &&
371 delta = (MAX_PROB / 100) * 2;
379 delta += MAX_PROB / (100 / 2);
381 q->vars.prob += delta;
383 if (delta > 0) {
H A Dsch_fq_codel.c539 codel_tdiff_t delta = flow->cvars.drop_next - local
542 xstats.class_stats.drop_next = (delta >= 0) ?
543 codel_time_to_us(delta) :
544 -codel_time_to_us(-delta);
/net/decnet/
H A Ddn_nsp_out.c170 long delta; local
182 delta = ((rtt << 3) - srtt);
183 srtt += (delta >> 3);
192 delta >>= 1;
193 rttvar += ((((delta>0)?(delta):(-delta)) - rttvar) >> 2);
/net/mac80211/
H A Dled.c171 unsigned long traffic, delta; local
175 delta = traffic - tpt_trig->prev_traffic;
177 return DIV_ROUND_UP(delta, 1024 / 8);
H A Drc80211_minstrel.c305 int delta; local
329 delta = (mi->total_packets * sampling_ratio / 100) -
332 /* delta < 0: no sampling required */
335 if (delta < 0 || (!mrr_capable && prev_sample))
342 } else if (delta > mi->n_rates * 2) {
352 mi->sample_packets += (delta - mi->n_rates * 2);
/net/rds/
H A Drecv.c71 int delta, __be16 port)
75 if (delta == 0)
78 rs->rs_rcv_bytes += delta;
82 "now_cong %d delta %d\n",
85 rds_sk_rcvbuf(rs), now_congested, delta);
69 rds_recv_rcvbuf_delta(struct rds_sock *rs, struct sock *sk, struct rds_cong_map *map, int delta, __be16 port) argument
/net/tipc/
H A Dbearer.c464 int delta; local
474 delta = dev->hard_header_len - skb_headroom(buf);
475 if ((delta > 0) &&
476 pskb_expand_head(clone, SKB_DATA_ALIGN(delta), 0, GFP_ATOMIC)) {
H A Dmsg.c104 int delta; local
130 if (skb_try_coalesce(head, frag, &headstolen, &delta)) {
/net/netfilter/
H A Dx_tables.c45 int delta; /* delta in 32bit user land */ member in struct:compat_delta
422 int xt_compat_add_offset(u_int8_t af, unsigned int offset, int delta) argument
439 delta += xp->compat_tab[xp->cur - 1].delta;
441 xp->compat_tab[xp->cur].delta = delta;
470 return mid ? tmp[mid - 1].delta : 0;
472 return left ? tmp[left - 1].delta : 0;

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