| /linux/net/netfilter/ |
| H A D | nf_conntrack_proto_tcp.c | 271 seq_printf(s, "%s ", tcp_conntrack_names[ct->proto.tcp.state]); in tcp_print_conntrack()
515 struct ip_ct_tcp *state = &ct->proto.tcp; in tcp_in_window()
753 if (ct->proto.tcp.last_dir != dir && in nf_tcp_handle_invalid()
754 (ct->proto.tcp.last_index == TCP_FIN_SET || in nf_tcp_handle_invalid()
755 ct->proto.tcp.last_index == TCP_RST_SET)) { in nf_tcp_handle_invalid()
769 index, dir, ct->proto.tcp.last_index, timeout); in nf_tcp_handle_invalid()
774 ct->proto.tcp.last_index = index; in nf_tcp_handle_invalid()
775 ct->proto.tcp.last_dir = dir; in nf_tcp_handle_invalid()
857 memset(&ct->proto.tcp, 0, sizeof(ct->proto.tcp)); in tcp_new()
859 ct->proto.tcp.seen[0].td_end = in tcp_new()
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| H A D | nft_synproxy.c | 24 const struct tcphdr *tcp, in nft_synproxy_tcp_options() argument
30 if (tcp->ece && tcp->cwr) in nft_synproxy_tcp_options()
47 const struct tcphdr *tcp, in nft_synproxy_eval_v4() argument
56 if (tcp->syn) { in nft_synproxy_eval_v4()
58 nft_synproxy_tcp_options(opts, tcp, snet, &info, priv); in nft_synproxy_eval_v4()
59 synproxy_send_client_synack(net, skb, tcp, opts); in nft_synproxy_eval_v4()
62 } else if (tcp->ack) { in nft_synproxy_eval_v4()
64 if (synproxy_recv_client_ack(net, skb, tcp, opts, in nft_synproxy_eval_v4()
65 ntohl(tcp->seq))) { in nft_synproxy_eval_v4()
78 const struct tcphdr *tcp, in nft_synproxy_eval_v6() argument
[all …]
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| H A D | nfnetlink_osf.c | 171 const struct tcphdr *tcp; in nf_osf_hdr_ctx_init() local
173 tcp = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(struct tcphdr), _tcph); in nf_osf_hdr_ctx_init()
174 if (!tcp) in nf_osf_hdr_ctx_init()
177 if (!tcp->syn) in nf_osf_hdr_ctx_init()
182 ctx->window = ntohs(tcp->window); in nf_osf_hdr_ctx_init()
184 if (tcp->doff * 4 > sizeof(struct tcphdr)) { in nf_osf_hdr_ctx_init()
185 ctx->optsize = tcp->doff * 4 - sizeof(struct tcphdr); in nf_osf_hdr_ctx_init()
193 return tcp; in nf_osf_hdr_ctx_init()
209 const struct tcphdr *tcp; in nf_osf_match() local
214 tcp = nf_osf_hdr_ctx_init(&ctx, skb, ip, opts, &_tcph); in nf_osf_match()
[all …]
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| /linux/tools/testing/selftests/bpf/progs/ |
| H A D | test_tcp_custom_syncookie.c | 63 struct tcphdr *tcp; member
98 ctx->tcp = (struct tcphdr *)(ctx->ipv4 + 1); in tcp_load_headers()
112 ctx->tcp = (struct tcphdr *)(ctx->ipv6 + 1); in tcp_load_headers()
118 if (ctx->tcp + 1 > ctx->data_end) in tcp_load_headers()
133 if (ctx->tcp->doff < sizeof(*ctx->tcp) / 4) in tcp_reload_headers()
137 if (bpf_skb_change_tail(ctx->skb, data_len + 60 - ctx->tcp->doff * 4, 0)) in tcp_reload_headers()
146 ctx->tcp = (struct tcphdr *)(ctx->ipv4 + 1); in tcp_reload_headers()
150 ctx->tcp = (struct tcphdr *)(ctx->ipv6 + 1); in tcp_reload_headers()
153 if ((void *)ctx->tcp in tcp_reload_headers()
[all...] |
| H A D | test_pkt_access.c | 89 struct tcphdr *tcp = NULL; in test_pkt_write_access_subprog() local
94 tcp = data + off; in test_pkt_write_access_subprog()
95 if (tcp + 1 > data_end) in test_pkt_write_access_subprog()
98 tcp->check++; in test_pkt_write_access_subprog()
108 struct tcphdr *tcp = NULL; in test_pkt_access() local
122 tcp = (struct tcphdr *)((void *)(iph) + ihl_len); in test_pkt_access()
130 tcp = (struct tcphdr *)((void *)(ip6h) + ihl_len); in test_pkt_access()
139 if (tcp) { in test_pkt_access()
140 if (test_pkt_write_access_subprog(skb, (void *)tcp - data)) in test_pkt_access()
142 if (((void *)(tcp) + 20) > data_end || proto != 6) in test_pkt_access()
[all …]
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| H A D | test_migrate_reuseport.c | 50 struct tcphdr *tcp = NULL; in drop_ack() local
65 tcp = (struct tcphdr *)((void *)ip + ip->ihl * 4); in drop_ack()
77 tcp = (struct tcphdr *)(ipv6 + 1); in drop_ack()
84 if (tcp + 1 > data_end) in drop_ack()
87 if (tcp->dest != server_port) in drop_ack()
90 if (!tcp->syn && tcp->ack) in drop_ack()
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| H A D | skb_pkt_end.c | 34 struct tcphdr *tcp; in main_prog() local
47 tcp = (void*)(ip + 1); in main_prog()
48 if (tcp->dest != 0) in main_prog()
50 if (!tcp) in main_prog()
53 urg_ptr = tcp->urg_ptr; in main_prog()
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| H A D | bpf_iter_tcp6.c | 69 static bool tcp_in_initial_slowstart(const struct tcp_sock *tcp) in tcp_in_initial_slowstart() argument
71 return tcp->snd_ssthresh >= TCP_INFINITE_SSTHRESH; in tcp_in_initial_slowstart()
88 icsk = &tp->tcp.inet_conn; in dump_tcp6_sock()
118 rx_queue = tp->tcp.rcv_nxt - tp->tcp.copied_seq; in dump_tcp6_sock()
131 tp->tcp.write_seq - tp->tcp.snd_una, rx_queue, in dump_tcp6_sock()
143 tp->tcp.snd_cwnd, in dump_tcp6_sock()
145 : (tcp_in_initial_slowstart(&tp->tcp) ? -1 in dump_tcp6_sock()
146 : tp->tcp in dump_tcp6_sock()
[all...] |
| H A D | xdpwall.c | 173 static __always_inline bool tcphdr_only_contains_flag(struct tcphdr *tcp, in tcphdr_only_contains_flag() argument
176 return (tcp_flag_word(tcp) & in tcphdr_only_contains_flag()
181 struct tcphdr *tcp) { in set_tcp_flags() argument
182 if (tcphdr_only_contains_flag(tcp, TCP_FLAG_SYN)) in set_tcp_flags()
184 else if (tcphdr_only_contains_flag(tcp, TCP_FLAG_ACK)) in set_tcp_flags()
186 else if (tcphdr_only_contains_flag(tcp, TCP_FLAG_RST)) in set_tcp_flags()
193 struct tcphdr *tcp = transport_hdr; in parse_tcp() local
195 if (tcp + 1 > data_end) in parse_tcp()
198 info->sport = bpf_ntohs(tcp->source); in parse_tcp()
199 info->dport = bpf_ntohs(tcp->dest); in parse_tcp()
[all …]
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| H A D | test_assign_reuse.c | 20 struct tcphdr tcp; member
39 if (ctx->data + sizeof(headers.tcp) > ctx->data_end) in reuse_accept()
42 if (__builtin_memcmp(&headers.tcp, ctx->data, sizeof(headers.tcp)) != 0) in reuse_accept()
89 __builtin_memcpy(&headers.tcp, th, sizeof(headers.tcp)); in maybe_assign_tcp()
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| H A D | fexit_bpf2bpf.c | 162 struct tcphdr *tcp; in new_test_pkt_write_access_subprog() local
167 tcp = data + off; in new_test_pkt_write_access_subprog()
168 if (tcp + 1 > data_end) in new_test_pkt_write_access_subprog()
172 tcp->check++; in new_test_pkt_write_access_subprog()
173 tcp->syn = 0; in new_test_pkt_write_access_subprog()
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| H A D | test_sk_assign.c | 55 get_tuple(struct __sk_buff *skb, bool *ipv4, bool *tcp) in get_tuple() argument
96 *tcp = (proto == IPPROTO_TCP); in get_tuple()
176 bool tcp = false; in bpf_sk_assign_test() local
179 tuple = get_tuple(skb, &ipv4, &tcp); in bpf_sk_assign_test()
188 if (tcp) in bpf_sk_assign_test()
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| H A D | bpf_flow.c | 172 struct tcphdr *tcp, _tcp; in parse_ip_proto() local
227 tcp = bpf_flow_dissect_get_header(skb, sizeof(*tcp), &_tcp); in parse_ip_proto()
228 if (!tcp) in parse_ip_proto()
231 if (tcp->doff < 5) in parse_ip_proto()
234 if ((__u8 *)tcp + (tcp->doff << 2) > data_end) in parse_ip_proto()
237 keys->sport = tcp->source; in parse_ip_proto()
238 keys->dport = tcp->dest; in parse_ip_proto()
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| /linux/drivers/net/ovpn/ |
| H A D | tcp.c | 69 skb_queue_tail(&peer->tcp.user_queue, skb); in ovpn_tcp_to_userspace()
70 peer->tcp.sk_cb.sk_data_ready(sk); in ovpn_tcp_to_userspace()
75 struct ovpn_peer *peer = container_of(strp, struct ovpn_peer, tcp.strp); in ovpn_tcp_rcv()
135 schedule_work(&peer->tcp.defer_del_work); in ovpn_tcp_rcv()
158 skb = __skb_recv_datagram(sk, &peer->tcp.user_queue, flags, &off, &err); in ovpn_tcp_recvmsg()
195 strp_stop(&peer->tcp.strp); in ovpn_tcp_socket_detach()
196 skb_queue_purge(&peer->tcp.user_queue); in ovpn_tcp_socket_detach()
199 sk->sk_data_ready = peer->tcp.sk_cb.sk_data_ready; in ovpn_tcp_socket_detach()
200 sk->sk_write_space = peer->tcp.sk_cb.sk_write_space; in ovpn_tcp_socket_detach()
201 sk->sk_prot = peer->tcp.sk_cb.prot; in ovpn_tcp_socket_detach()
[all …]
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| /linux/tools/testing/selftests/bpf/prog_tests/ |
| H A D | flow_dissector.c | 21 struct tcphdr tcp; member
28 struct tcphdr tcp; member
36 struct tcphdr tcp; member
42 struct tcphdr tcp; member
54 struct tcphdr tcp; member
64 struct tcphdr tcp; member
77 struct tcphdr tcp; member
106 .tcp.doff = 5,
107 .tcp.source = 80,
108 .tcp.dest = 8080,
[all …]
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| /linux/tools/testing/selftests/net/netfilter/packetdrill/ |
| H A D | conntrack_rst_invalid.pkt | 6 +0 `$xtables -A INPUT -p tcp -m conntrack --ctstate INVALID -j DROP`
7 +0 `$xtables -A OUTPUT -p tcp -m conntrack --ctstate INVALID -j DROP`
31 +0 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null |grep -q ESTABLISHED`
35 +0 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null |grep -q ESTABLISHED`
39 +0 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null |grep -q ESTABLISHED`
44 +0 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null |grep -q ESTABLISHED`
49 +0 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null |grep -q ESTABLISHED`
59 +0 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null |grep -q CLOSE\ `
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| H A D | conntrack_synack_old.pkt | 17 +0 `$xtables -A INPUT -p tcp -m conntrack --ctstate INVALID -j DROP`
18 +0 `$xtables -A OUTPUT -p tcp -m conntrack --ctstate INVALID -j DROP`
31 +0 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null | grep UNREPLIED | grep -q SYN…
40 +0 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null | grep ESTABLISHED | grep -q A…
44 +0 `conntrack -f $NFCT_IP_VERSION -L -p tcp --dport 8080 2>/dev/null | grep ASSURED | grep -q ESTAB…
50 +0 `$xtables -D INPUT -p tcp -m conntrack --ctstate INVALID -j DROP`
51 +0 `$xtables -D OUTPUT -p tcp -m conntrack --ctstate INVALID -j DROP`
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| /linux/samples/bpf/ |
| H A D | parse_varlen.c | 22 static int tcp(void *data, uint64_t tp_off, void *data_end) in tcp() function
24 struct tcphdr *tcp = data + tp_off; in tcp() local
26 if (tcp + 1 > data_end) in tcp()
28 if (tcp->dest == htons(80) || tcp->source == htons(80)) in tcp()
72 return tcp(data, nh_off + ihl_len, data_end); in parse_ipv4()
106 return tcp(data, nh_off + ihl_len, data_end); in parse_ipv6()
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| /linux/drivers/net/ethernet/chelsio/libcxgb/ |
| H A D | libcxgb_cm.c | 54 struct tcphdr *tcp = (struct tcphdr *) in cxgb_get_4tuple() local
60 ntohs(tcp->source), ntohs(tcp->dest)); in cxgb_get_4tuple()
67 ntohs(tcp->source), ntohs(tcp->dest)); in cxgb_get_4tuple()
72 *peer_port = tcp->source; in cxgb_get_4tuple()
73 *local_port = tcp->dest; in cxgb_get_4tuple()
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| /linux/net/ipv4/netfilter/ |
| H A D | nf_nat_h323.c | 290 exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; in nat_t120()
310 ntohs(exp->tuple.src.u.tcp.port), in nat_t120()
312 ntohs(exp->tuple.dst.u.tcp.port)); in nat_t120()
329 exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; in nat_h245()
357 ntohs(exp->tuple.src.u.tcp.port), in nat_h245()
359 ntohs(exp->tuple.dst.u.tcp.port)); in nat_h245()
408 exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; in nat_q931()
449 ntohs(exp->tuple.src.u.tcp.port), in nat_q931()
451 ntohs(exp->tuple.dst.u.tcp.port)); in nat_q931()
492 exp->saved_proto.tcp.port = exp->tuple.dst.u.tcp.port; in nat_callforwarding()
[all …]
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| /linux/tools/testing/selftests/net/netfilter/ |
| H A D | conntrack_tcp_unreplied.sh | 91 ct state new tcp flags syn ip daddr 10.99.99.99 tcp dport 80 counter name "connreq" accept
92 ct state new ct status dnat tcp dport 8080 counter name "redir" accept
111 count=$(ip netns exec "$ns2" conntrack -L -p tcp --dport 80 2>/dev/null | wc -l)
130 ip daddr 10.99.99.99 tcp dport 80 redirect to :8080
141 count=$(ip netns exec "$ns2" conntrack -L -p tcp --reply-port-src 8080 2>/dev/null | wc -l)
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| H A D | nf_nat_edemux.sh | 37 if ! ip netns exec "$ns" conntrack --get -s 192.168.1.2 -d 192.168.1.1 -p tcp \
69 ip netns exec "$ns2" iptables -t nat -A OUTPUT -d 10.96.0.1/32 -p tcp --dport 443 -j DNAT --to-dest…
75 wait_local_port_listen "$ns1" 5201 tcp
96 ip netns exec "$ns1" iptables -t nat -A PREROUTING -p tcp --dport 5202 -j REDIRECT --to-ports 5201
97 ip netns exec "$ns1" iptables -t nat -A PREROUTING -p tcp --dport 5203 -j REDIRECT --to-ports 5201
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| /linux/drivers/net/ethernet/qlogic/qed/ |
| H A D | qed_iwarp.c | 117 p_ramrod->tcp.tx_sws_timer = cpu_to_le16(QED_TX_SWS_TIMER_DFLT); in qed_iwarp_init_fw_ramrod()
118 p_ramrod->tcp.two_msl_timer = cpu_to_le32(QED_TWO_MSL_TIMER_DFLT); in qed_iwarp_init_fw_ramrod()
119 p_ramrod->tcp.max_fin_rt = QED_IWARP_MAX_FIN_RT_DEFAULT; in qed_iwarp_init_fw_ramrod()
580 p_tcp_ramrod->tcp.local_mac_addr_lo, in qed_iwarp_print_tcp_ramrod()
581 p_tcp_ramrod->tcp.local_mac_addr_mid, in qed_iwarp_print_tcp_ramrod()
582 p_tcp_ramrod->tcp.local_mac_addr_hi, in qed_iwarp_print_tcp_ramrod()
583 p_tcp_ramrod->tcp.remote_mac_addr_lo, in qed_iwarp_print_tcp_ramrod()
584 p_tcp_ramrod->tcp.remote_mac_addr_mid, in qed_iwarp_print_tcp_ramrod()
585 p_tcp_ramrod->tcp.remote_mac_addr_hi); in qed_iwarp_print_tcp_ramrod()
587 if (p_tcp_ramrod->tcp.ip_version == TCP_IPV4) { in qed_iwarp_print_tcp_ramrod()
[all …]
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| /linux/net/core/ |
| H A D | selftests.c | 14 #include <net/tcp.h>
32 if (attr->tcp)
53 if (attr->tcp)
67 if (attr->tcp) { in net_test_get_skb()
85 if (attr->tcp) in net_test_get_skb()
90 if (attr->tcp) in net_test_get_skb()
127 if (attr->tcp) { in net_test_get_skb()
197 if (tpriv->packet->tcp) { in net_test_loopback_validate()
334 attr.tcp = true; in net_test_phy_loopback_enable()
369 attr.tcp in net_test_phy_loopback_tcp()
22 bool tcp; global() member
[all...] |
| /linux/tools/testing/selftests/net/mptcp/ |
| H A D | mptcp_sockopt.sh | 55 ip netns exec $ns $t -A OUTPUT -p tcp --syn -m mark --mark $m -j ACCEPT
58 ip netns exec $ns $t -A OUTPUT -p tcp --tcp-flags RST RST -m mark --mark 0 -j ACCEPT
60 ip netns exec $ns $t -A OUTPUT -p tcp -m mark --mark $m -j ACCEPT
61 ip netns exec $ns $t -A OUTPUT -p tcp -m mark --mark 0 -j DROP
336 for args in "-t tcp" "-r tcp"; do
349 do_tcpinq_test -r tcp -t tcp
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