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Searched refs:syn (Results 1 – 17 of 17) sorted by relevance

/net/ipv4/netfilter/
Dipt_SYNPROXY.c279 if (th->syn && !(th->ack || th->fin || th->rst)) { in synproxy_tg4()
297 } else if (th->ack && !(th->fin || th->rst || th->syn)) { in synproxy_tg4()
344 if (!th->syn || th->ack || in ipv4_synproxy_hook()
361 if (!th->syn && th->ack && in ipv4_synproxy_hook()
379 if (!th->syn || !th->ack) in ipv4_synproxy_hook()
Dnf_reject_ipv4.c86 tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + in nf_reject_ip_tcphdr_put()
/net/ipv4/
Dtcp_fastopen.c99 struct sk_buff *syn, in tcp_fastopen_cookie_gen() argument
103 const struct iphdr *iph = ip_hdr(syn); in tcp_fastopen_cookie_gen()
111 const struct ipv6hdr *ip6h = ipv6_hdr(syn); in tcp_fastopen_cookie_gen()
Dtcp_input.c284 if (th->ece && !th->syn && (tp->ecn_flags & TCP_ECN_OK)) in tcp_ecn_rcv_ecn_echo()
3402 if (likely(!tcp_hdr(skb)->syn)) in tcp_ack_update_window()
3462 !tcp_hdr(skb)->syn) in tcp_oow_rate_limited()
3729 bool syn, struct tcp_fastopen_cookie *foc, in tcp_parse_fastopen_option() argument
3733 if (!foc || !syn || len < 0 || (len & 1)) in tcp_parse_fastopen_option()
3778 if (opsize == TCPOLEN_MSS && th->syn && !estab) { in tcp_parse_options()
3789 if (opsize == TCPOLEN_WINDOW && th->syn && in tcp_parse_options()
3812 if (opsize == TCPOLEN_SACK_PERM && th->syn && in tcp_parse_options()
3837 ptr, th->syn, foc, false); in tcp_parse_options()
3849 ptr + 2, th->syn, foc, true); in tcp_parse_options()
[all …]
Dtcp_minisocks.c133 if (th->syn && !before(TCP_SKB_CB(skb)->seq, tcptw->tw_rcv_nxt)) in tcp_timewait_state_process()
233 if (th->syn && !th->rst && !th->ack && !paws_reject && in tcp_timewait_state_process()
Dinet_lro.c69 tcph->rst || tcph->syn || tcph->fin) in lro_tcp_ip_check()
Dtcp_output.c3063 th->syn = 1; in tcp_make_synack()
3206 static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn) in tcp_send_syn_data() argument
3247 memcpy(syn_data->cb, syn->cb, sizeof(syn->cb)); in tcp_send_syn_data()
3269 syn->skb_mstamp = syn_data->skb_mstamp; in tcp_send_syn_data()
3288 err = tcp_transmit_skb(sk, syn, 1, sk->sk_allocation); in tcp_send_syn_data()
Dtcp_ipv4.c627 rep.th.ack_seq = htonl(ntohl(th->seq) + th->syn + th->fin + in tcp_v4_send_reset()
1377 if (!th->syn) in tcp_v4_cookie_check()
1608 TCP_SKB_CB(skb)->end_seq = (TCP_SKB_CB(skb)->seq + th->syn + th->fin + in tcp_v4_rcv()
/net/ipv6/netfilter/
Dip6t_SYNPROXY.c292 if (th->syn && !(th->ack || th->fin || th->rst)) { in synproxy_tg6()
310 } else if (th->ack && !(th->fin || th->rst || th->syn)) { in synproxy_tg6()
364 if (!th->syn || th->ack || in ipv6_synproxy_hook()
381 if (!th->syn && th->ack && in ipv6_synproxy_hook()
399 if (!th->syn || !th->ack) in ipv6_synproxy_hook()
Dnf_reject_ipv6.c111 tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + in nf_reject_ip6_tcphdr_put()
/net/netfilter/ipvs/
Dip_vs_proto_tcp.c51 if (th->rst || !(sysctl_sloppy_tcp(ipvs) || th->syn)) in tcp_conn_schedule()
484 if (th->syn) in tcp_state_idx()
529 th->syn ? 'S' : '.', in set_tcp_state()
Dip_vs_core.c1066 return th->syn; in is_new_conn()
/net/netfilter/
Dnf_log_common.c103 if (th->syn) in nf_log_dump_tcp_header()
Dxt_TPROXY.c265 if (hp->syn && !hp->rst && !hp->ack && !hp->fin) { in tproxy_handle_time_wait4()
427 if (hp->syn && !hp->rst && !hp->ack && !hp->fin) { in tproxy_handle_time_wait6()
Dnf_conntrack_proto_tcp.c328 else if (tcph->syn) return (tcph->ack ? TCP_SYNACK_SET : TCP_SYN_SET); in get_conntrack_index()
371 + (tcph->syn ? 1 : 0) + (tcph->fin ? 1 : 0)); in segment_seq_plus_len()
554 if (tcph->syn) { in tcp_in_window()
660 if (!tcph->syn) in tcp_in_window()
1053 (th->syn ? 1 : 0), (th->ack ? 1 : 0), in tcp_packet()
Dxt_osf.c219 if (!tcp->syn) in xt_osf_match_packet()
/net/ipv6/
Dtcp_ipv6.c920 ack_seq = ntohl(th->seq) + th->syn + th->fin + skb->len - in tcp_v6_send_reset()
984 if (!th->syn) in tcp_v6_cookie_check()
1384 TCP_SKB_CB(skb)->end_seq = (TCP_SKB_CB(skb)->seq + th->syn + th->fin + in tcp_v6_fill_cb()