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Searched refs:tcp_opt (Results 1 – 2 of 2) sorted by relevance

/net/ipv4/
Dsyncookies.c236 struct tcp_options_received *tcp_opt) in cookie_timestamp_decode() argument
239 u32 options = tcp_opt->rcv_tsecr; in cookie_timestamp_decode()
241 if (!tcp_opt->saw_tstamp) { in cookie_timestamp_decode()
242 tcp_clear_options(tcp_opt); in cookie_timestamp_decode()
249 tcp_opt->sack_ok = (options & TS_OPT_SACK) ? TCP_SACK_SEEN : 0; in cookie_timestamp_decode()
251 if (tcp_opt->sack_ok && !net->ipv4.sysctl_tcp_sack) in cookie_timestamp_decode()
257 tcp_opt->wscale_ok = 1; in cookie_timestamp_decode()
258 tcp_opt->snd_wscale = options & TS_OPT_WSCALE_MASK; in cookie_timestamp_decode()
264 bool cookie_ecn_ok(const struct tcp_options_received *tcp_opt, in cookie_ecn_ok() argument
267 bool ecn_ok = tcp_opt->rcv_tsecr & TS_OPT_ECN; in cookie_ecn_ok()
[all …]
/net/ipv6/
Dsyncookies.c130 struct tcp_options_received tcp_opt; in cookie_v6_check() local
159 memset(&tcp_opt, 0, sizeof(tcp_opt)); in cookie_v6_check()
160 tcp_parse_options(sock_net(sk), skb, &tcp_opt, 0, NULL); in cookie_v6_check()
162 if (tcp_opt.saw_tstamp && tcp_opt.rcv_tsecr) { in cookie_v6_check()
166 tcp_opt.rcv_tsecr -= tsoff; in cookie_v6_check()
169 if (!cookie_timestamp_decode(sock_net(sk), &tcp_opt)) in cookie_v6_check()
205 ireq->snd_wscale = tcp_opt.snd_wscale; in cookie_v6_check()
206 ireq->sack_ok = tcp_opt.sack_ok; in cookie_v6_check()
207 ireq->wscale_ok = tcp_opt.wscale_ok; in cookie_v6_check()
208 ireq->tstamp_ok = tcp_opt.saw_tstamp; in cookie_v6_check()
[all …]