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/linux/tools/testing/selftests/net/netfilter/packetdrill/
H A Dconntrack_synack_old.pkt4 …seq 2375731741, win 29200, options [mss 1460,sackOK,TS val 2083107423 ecr 0,nop,wscale 7], length 0
6 …ags [S.], seq 145824453, ack 643160523, win 65535, options [mss 8952,nop,wscale 5,TS val 321543778…
8 …176.25.8.829: Flags [R.], seq 1, ack 1, win 65535, options [mss 8952,nop,wscale 5,TS val 321544345…
10 …seq 2375731741, win 29200, options [mss 1460,sackOK,TS val 2083115583 ecr 0,nop,wscale 7], length 0
13 …gs [S.], seq 162602410, ack 2375731742, win 65535, options [mss 8952,nop,wscale 5,TS val 321544575…
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/drivers/net/ethernet/chelsio/libcxgb/
H A Dlibcxgb_cm.h81 u32 wscale = 0; in cxgb_compute_wscale() local
83 while (wscale < 14 && (65535 << wscale) < win) in cxgb_compute_wscale()
84 wscale++; in cxgb_compute_wscale()
85 return wscale; in cxgb_compute_wscale()
/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_zerocopy_client.pkt10 +0 > S 0:0(0) <mss 1460,sackOK,TS val 0 ecr 0,nop,wscale 8>
11 +0 < S. 0:0(0) ack 1 win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
H A Dtcp_zerocopy_batch.pkt14 +0 < S 0:0(0) win 32792 <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-app-limited.pkt13 +.1 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
14 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_slow_start_slow-start-ack-per-2pkt-send-5pkt.pkt16 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
17 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_zerocopy_basic.pkt15 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
16 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_slow_start_slow-start-ack-per-2pkt-send-6pkt.pkt17 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
18 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_slow_start_slow-start-app-limited-9-packets-out.pkt15 +.1 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
16 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_slow_start_slow-start-ack-per-4pkt.pkt16 +.1 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
17 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_zerocopy_small.pkt15 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
16 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_slow_start_slow-start-after-idle.pkt14 +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_md5_md5-only-on-client-ack.pkt13 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 10>
14 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_slow_start_slow-start-ack-per-2pkt.pkt17 +.1 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
18 +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.pkt14 +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_zerocopy_closed.pkt24 +0 > S 0:0(0) <mss 1460,sackOK,TS val 0 ecr 0,nop,wscale 8>
25 +0 < S. 0:0(0) ack 1 win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
H A Dtcp_slow_start_slow-start-ack-per-1pkt.pkt16 +.1 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
17 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_inq_server.pkt12 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 10>
13 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
H A Dtcp_inq_client.pkt15 +0 > S 0:0(0) <mss 1460,sackOK,TS val 100 ecr 0,nop,wscale 8>
16 +.01 < S. 0:0(0) ack 1 win 5792 <mss 1460,sackOK,TS val 700 ecr 100,nop,wscale 7>
H A Dtcp_zerocopy_epoll_edge.pkt18 +0 < S 0:0(0) win 32792 <mss 1000,sackOK,nop,nop,nop,wscale 7>
19 +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8>
/linux/net/netfilter/
H A Dnf_synproxy_core.c70 opts->wscale = *ptr; in synproxy_parse_options()
71 if (opts->wscale > TCP_MAX_WSCALE) in synproxy_parse_options()
72 opts->wscale = TCP_MAX_WSCALE; in synproxy_parse_options()
149 opts->wscale); in synproxy_build_options()
159 opts->tsval |= opts->wscale; in synproxy_init_timestamp_cookie()
160 opts->wscale = info->wscale; in synproxy_init_timestamp_cookie()
175 opts->wscale = opts->tsecr & 0xf; in synproxy_check_timestamp_cookie()
176 if (opts->wscale != 0xf) in synproxy_check_timestamp_cookie()
602 nth->window = htons(ntohs(th->window) >> opts->wscale); in synproxy_send_client_ack()
1017 nth->window = htons(ntohs(th->window) >> opts->wscale); in synproxy_send_client_ack_ipv6()
/linux/tools/testing/selftests/bpf/
H A Dxdp_synproxy.c107 unsigned long mss4, wscale, ttl; in parse_options() local
151 wscale = parse_arg_ul(argv[0], optarg, 14); in parse_options()
175 if (mss4 == 0 || mss6 == 0 || wscale == 0 || ttl == 0) in parse_options()
177 *tcpipopts = (mss6 << 32) | (ttl << 24) | (wscale << 16) | mss4; in parse_options()

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