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/linux/tools/testing/selftests/net/netfilter/packetdrill/
H A Dconntrack_synack_old.pkt4 // 10.176.25.8.829 > 10.192.171.30.2049: Flags [S], seq 2375731741, win 29200, options [mss 1460,sa…
6 …76.25.8.829: Flags [S.], seq 145824453, ack 643160523, win 65535, options [mss 8952,nop,wscale 5,T…
8 // 10.192.171.30.2049 > 10.176.25.8.829: Flags [R.], seq 1, ack 1, win 65535, options [mss 8952,nop…
10 // 10.176.25.8.829 > 10.192.171.30.2049: Flags [S], seq 2375731741, win 29200, options [mss 1460,sa…
13 …6.25.8.829: Flags [S.], seq 162602410, ack 2375731742, win 65535, options [mss 8952,nop,wscale 5,T…
24 0.1 > S 0:0(0) win 65535 <mss 1460,sackOK,TS val 1 ecr 0,nop,wscale 8>
27 0.1 < S. 145824453:145824453(0) ack 643160523 win 240 <mss 1440,nop,nop,TS val 1 ecr 1,nop,wscale 0>
30 1.01 > S 0:0(0) win 65535 <mss 1460,sackOK,TS val 1015 ecr 0,nop,wscale 8>
34 +0 < S. 145758918:145758918(0) ack 1 win 250 <mss 1460,nop,nop,TS val 1 ecr 1,nop,wscale 0>
39 // actual packet: 3.010000 S 0:0(0) win 65535 <mss 1460,sackOK,TS val 1015 ecr 0,nop,wscale 8>
H A Dconntrack_synack_reuse.pkt15 +0 < S 0:0(0) win 32792 <mss 1000,nop,wscale 7, TS val 1 ecr 0,nop,nop>
16 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,TS val 100 ecr 1,nop,wscale 8>
24 1.0 < S 2000:2000(0) win 32792 <mss 1000,nop,wscale 7, TS val 233 ecr 0,nop,nop>
31 1.5 < S 2000:2000(0) win 32792 <mss 1000,nop,wscale 0, TS val 233 ecr 0,nop,nop>
H A Dconntrack_syn_challenge_ack.pkt22 0.1 > S 0:0(0) win 65535 <mss 1460,sackOK,TS val 1 ecr 0,nop,wscale 8>
25 0.1 < . 145824453:145824453(0) ack 643160523 win 240 <mss 1460,nop,nop,TS val 1 ecr 1,nop,wscale 0>
32 +0.01 > S 0:0(0) win 65535 <mss 1460,sackOK,TS val 1 ecr 0,nop,wscale 8>
35 +0.1 < S. 0:0(0) ack 1 win 250 <mss 1460,nop,nop,TS val 1 ecr 1,nop,wscale 0>
/linux/net/ipv4/
H A Dtcp_offload.c17 unsigned int seq, unsigned int mss) in tcp_gso_tstamp() argument
23 if (before(ts_seq, seq + mss)) { in tcp_gso_tstamp()
30 seq += mss; in tcp_gso_tstamp()
141 unsigned int mss; in tcp_gso_segment() local
161 mss = skb_shinfo(skb)->gso_size; in tcp_gso_segment()
162 if (unlikely(skb->len <= mss)) in tcp_gso_segment()
168 skb_shinfo(skb)->gso_segs = DIV_ROUND_UP(skb->len, mss); in tcp_gso_segment()
191 mss *= skb_shinfo(segs)->gso_segs; in tcp_gso_segment()
193 delta = (__force __wsum)htonl(oldlen + thlen + mss); in tcp_gso_segment()
200 tcp_gso_tstamp(segs, gso_skb, seq, mss); in tcp_gso_segment()
[all …]
H A Dsyncookies.c158 const __u16 mss = *mssp; in __cookie_v4_init_sequence() local
161 if (mss >= msstab[mssind]) in __cookie_v4_init_sequence()
319 int mss, u32 tsoff) in cookie_tcp_reqsk_alloc() argument
341 req->mss = mss; in cookie_tcp_reqsk_alloc()
361 int mss; in cookie_tcp_check() local
366 mss = __cookie_v4_check(ip_hdr(skb), tcp_hdr(skb)); in cookie_tcp_check()
367 if (!mss) { in cookie_tcp_check()
389 &tcp_opt, mss, tsoff); in cookie_tcp_check()
473 tcp_select_initial_window(sk, full_space, req->mss, in cookie_v4_check()
H A Dtcp_recovery.c225 u32 mss; in tcp_newreno_mark_lost() local
230 mss = tcp_skb_mss(skb); in tcp_newreno_mark_lost()
231 if (tcp_skb_pcount(skb) > 1 && skb->len > mss) in tcp_newreno_mark_lost()
233 mss, mss, GFP_ATOMIC); in tcp_newreno_mark_lost()
H A Dudp_offload.c254 unsigned int mss = skb_shinfo(skb)->gso_size; in __udp_gso_segment_list() local
260 udp_hdr(skb)->len = htons(sizeof(struct udphdr) + mss); in __udp_gso_segment_list()
272 unsigned int mss; in __udp_gso_segment() local
277 mss = skb_shinfo(gso_skb)->gso_size; in __udp_gso_segment()
278 if (gso_skb->len <= sizeof(*uh) + mss) in __udp_gso_segment()
295 mss); in __udp_gso_segment()
343 mss *= skb_shinfo(segs)->gso_segs; in __udp_gso_segment()
354 newlen = htons(sizeof(*uh) + mss); in __udp_gso_segment()
421 unsigned int mss; in udp4_ufo_fragment() local
442 mss = skb_shinfo(skb)->gso_size; in udp4_ufo_fragment()
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H A Dtcp_timer.c167 int mss; in tcp_mtu_probing() local
177 mss = tcp_mtu_to_mss(sk, icsk->icsk_mtup.search_low) >> 1; in tcp_mtu_probing()
178 mss = min(READ_ONCE(net->ipv4.sysctl_tcp_base_mss), mss); in tcp_mtu_probing()
179 mss = max(mss, READ_ONCE(net->ipv4.sysctl_tcp_mtu_probe_floor)); in tcp_mtu_probing()
180 mss = max(mss, READ_ONCE(net->ipv4.sysctl_tcp_min_snd_mss)); in tcp_mtu_probing()
181 icsk->icsk_mtup.search_low = tcp_mss_to_mtu(sk, mss); in tcp_mtu_probing()
H A Dtcp_output.c127 int mss = tp->advmss; in tcp_advertise_mss() local
132 if (metric < mss) { in tcp_advertise_mss()
133 mss = metric; in tcp_advertise_mss()
134 tp->advmss = mss; in tcp_advertise_mss()
138 return (__u16)mss; in tcp_advertise_mss()
207 void tcp_select_initial_window(const struct sock *sk, int __space, __u32 mss, in tcp_select_initial_window() argument
221 if (space > mss) in tcp_select_initial_window()
222 space = rounddown(space, mss); in tcp_select_initial_window()
238 *rcv_wnd = min(*rcv_wnd, init_rcv_wnd * mss); in tcp_select_initial_window()
451 u16 mss; /* 0 to disable */ member
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/linux/fs/proc/
H A Dtask_mmu.c673 static void smaps_page_accumulate(struct mem_size_stats *mss, in smaps_page_accumulate() argument
677 mss->pss += pss; in smaps_page_accumulate()
680 mss->pss_anon += pss; in smaps_page_accumulate()
682 mss->pss_shmem += pss; in smaps_page_accumulate()
684 mss->pss_file += pss; in smaps_page_accumulate()
687 mss->pss_locked += pss; in smaps_page_accumulate()
690 mss->pss_dirty += pss; in smaps_page_accumulate()
692 mss->private_dirty += size; in smaps_page_accumulate()
694 mss->shared_dirty += size; in smaps_page_accumulate()
697 mss->private_clean += size; in smaps_page_accumulate()
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/linux/drivers/pmdomain/qcom/
H A Drpmhpd.c155 static struct rpmhpd mss = { variable
272 [RPMHPD_MSS] = &mss,
293 [SDM670_MSS] = &mss,
311 [SDM845_MSS] = &mss,
324 [SDX55_MSS] = &mss,
337 [SDX65_MSS] = &mss,
352 [RPMHPD_MSS] = &mss,
369 [SM6350_MSS] = &mss,
387 [RPMHPD_MSS] = &mss,
405 [SM8150_MSS] = &mss,
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/linux/tools/testing/selftests/net/
H A Dpsock_snd.sh15 readonly mss="$((${mtu} - ${iphlen} - ${udphlen}))"
16 readonly mss_exceeds="$((${mss} + 1))"
58 ./in_netns.sh ./psock_snd -l "${mss}"
72 ./in_netns.sh ./psock_snd -d -l "${mss}"
H A Dtcp_mmap.c455 int mss = 0; in main() local
486 mss = atoi(optarg); in main()
530 if (mss && in main()
532 &mss, sizeof(mss)) == -1) { in main()
562 if (mss && in main()
563 setsockopt(fd, IPPROTO_TCP, TCP_MAXSEG, &mss, sizeof(mss)) == -1) { in main()
/linux/tools/testing/selftests/bpf/progs/
H A Dtest_tcp_custom_syncookie.c224 __u16 *mss; in tcp_parse_option() local
247 mss = next(ctx, 2); in tcp_parse_option()
248 if (*opsize == TCPOLEN_MSS && ctx->tcp->syn && mss) in tcp_parse_option()
249 ctx->attrs.mss = get_unaligned_be16(mss); in tcp_parse_option()
293 if ((ctx->ipv4 && ctx->attrs.mss != MSS_LOCAL_IPV4) || in tcp_validate_sysctl()
294 (ctx->ipv6 && ctx->attrs.mss != MSS_LOCAL_IPV6)) in tcp_validate_sysctl()
323 if (ctx->attrs.mss >= msstab4[mssind]) in tcp_prepare_cookie()
326 ctx->attrs.mss = msstab4[mssind]; in tcp_prepare_cookie()
331 if (ctx->attrs.mss >= msstab6[mssind]) in tcp_prepare_cookie()
334 ctx->attrs.mss = msstab6[mssind]; in tcp_prepare_cookie()
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/linux/drivers/scsi/snic/
H A Dwq_enet_desc.h38 u64 address, u16 length, u16 mss, u16 header_length, in wq_enet_desc_enc() argument
44 desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) << in wq_enet_desc_enc()
57 u64 *address, u16 *length, u16 *mss, u16 *header_length, in wq_enet_desc_dec() argument
63 *mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) & in wq_enet_desc_dec()
/linux/drivers/scsi/fnic/
H A Dwq_enet_desc.h40 u64 address, u16 length, u16 mss, u16 header_length, in wq_enet_desc_enc() argument
46 desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) << in wq_enet_desc_enc()
59 u64 *address, u16 *length, u16 *mss, u16 *header_length, in wq_enet_desc_dec() argument
65 *mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) & in wq_enet_desc_dec()
/linux/drivers/net/ethernet/cisco/enic/
H A Dwq_enet_desc.h41 u64 address, u16 length, u16 mss, u16 header_length, in wq_enet_desc_enc() argument
47 desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) << in wq_enet_desc_enc()
60 u64 *address, u16 *length, u16 *mss, u16 *header_length, in wq_enet_desc_dec() argument
66 *mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) & in wq_enet_desc_dec()
/linux/net/ipv6/
H A Dsyncookies.c96 const __u16 mss = *mssp; in __cookie_v6_init_sequence() local
99 if (mss >= msstab[mssind]) in __cookie_v6_init_sequence()
135 int mss; in cookie_tcp_check() local
140 mss = __cookie_v6_check(ipv6_hdr(skb), tcp_hdr(skb)); in cookie_tcp_check()
141 if (!mss) { in cookie_tcp_check()
163 &tcp_opt, mss, tsoff); in cookie_tcp_check()
256 tcp_select_initial_window(sk, full_space, req->mss, in cookie_v6_check()
/linux/net/netfilter/
H A Dnfnetlink_osf.c73 u16 mss = 0; in nf_osf_match_one() local
106 mss = ctx->optp[3]; in nf_osf_match_one()
107 mss <<= 8; in nf_osf_match_one()
108 mss |= ctx->optp[2]; in nf_osf_match_one()
110 mss = ntohs((__force __be16)mss); in nf_osf_match_one()
141 if (ctx->window == f->wss.val * mss || in nf_osf_match_one()
147 if (ctx->window == f->wss.val * (mss + 40) || in nf_osf_match_one()
/linux/net/batman-adv/
H A Dtp_meter.c143 static void batadv_tp_update_cwnd(struct batadv_tp_vars *tp_vars, u32 mss) in batadv_tp_update_cwnd() argument
150 tp_vars->cwnd = batadv_tp_cwnd(tp_vars->cwnd, mss, mss); in batadv_tp_update_cwnd()
157 ((mss * mss) << 6) / (tp_vars->cwnd << 3)); in batadv_tp_update_cwnd()
158 if (tp_vars->dec_cwnd < (mss << 3)) { in batadv_tp_update_cwnd()
163 tp_vars->cwnd = batadv_tp_cwnd(tp_vars->cwnd, mss, mss); in batadv_tp_update_cwnd()
635 size_t packet_len, mss; in batadv_tp_recv_ack() local
639 mss = BATADV_TP_PLEN; in batadv_tp_recv_ack()
704 tp_vars->cwnd = batadv_tp_cwnd(tp_vars->ss_threshold, 3 * mss, in batadv_tp_recv_ack()
705 mss); in batadv_tp_recv_ack()
731 mss, mss); in batadv_tp_recv_ack()
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/linux/tools/testing/selftests/net/packetdrill/
H A Dtcp_zerocopy_fastopen-client.pkt18 +0 > S 0:0(0) <mss 1460,sackOK,TS val 1000 ecr 0,nop,wscale 8,FO,nop,nop>
19 …+.01 < S. 123:123(0) ack 1 win 14600 <mss 940,TS val 2000 ecr 1000,sackOK,nop,wscale 6, FO abcd123…
39 +0 > S 0:500(500) <mss 1460,nop,nop,sackOK,nop,wscale 8,FO abcd1234,nop,nop>
40 +.05 < S. 5678:5678(0) ack 501 win 14600 <mss 1460,nop,nop,sackOK,nop,wscale 6>
H A Dtcp_slow_start_slow-start-after-idle.pkt3 // This test expects tso size to be at least initial cwnd * mss
14 +0 < S 0:0(0) win 65535 <mss 1000,sackOK,nop,nop,nop,wscale 7>
15 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_slow_start_slow-start-after-win-update.pkt3 // This test expects tso size to be at least initial cwnd * mss
14 +0 < S 0:0(0) win 65535 <mss 1000,sackOK,nop,nop,nop,wscale 7>
15 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
/linux/drivers/net/ethernet/sfc/
H A Def100_tx.c58 u32 mss; in ef100_tx_can_tso() local
67 mss = skb_shinfo(skb)->gso_size; in ef100_tx_can_tso()
68 if (unlikely(mss < 4)) { in ef100_tx_can_tso()
69 WARN_ONCE(1, "MSS of %u is too small for TSO\n", mss); in ef100_tx_can_tso()
83 if (skb->data_len / mss > nic_data->tso_max_frames) in ef100_tx_can_tso()
195 u32 mss = skb_shinfo(skb)->gso_size; in ef100_make_tso_desc() local
233 ESF_GZ_TX_TSO_MSS, mss, in ef100_make_tso_desc()
/linux/ipc/
H A Dmsg.c194 struct msg_sender *mss, size_t msgsz) in ss_add() argument
196 mss->tsk = current; in ss_add()
197 mss->msgsz = msgsz; in ss_add()
203 list_add_tail(&mss->list, &msq->q_senders); in ss_add()
206 static inline void ss_del(struct msg_sender *mss) in ss_del() argument
208 if (mss->list.next) in ss_del()
209 list_del(&mss->list); in ss_del()
215 struct msg_sender *mss, *t; in ss_wakeup() local
219 list_for_each_entry_safe(mss, t, h, list) { in ss_wakeup()
221 mss->list.next = NULL; in ss_wakeup()
[all …]

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