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Searched refs:tcph (Results 1 – 25 of 39) sorted by relevance

12

/linux/tools/testing/selftests/bpf/progs/
H A Dcgroup_tcp_skb.c25 int needed_tcp_pkt(struct __sk_buff *skb, struct tcphdr *tcph) in needed_tcp_pkt() argument
37 if (bpf_skb_load_bytes(skb, sizeof(ip6h), tcph, sizeof(*tcph))) in needed_tcp_pkt()
40 if (tcph->source != bpf_htons(g_sock_port) && in needed_tcp_pkt()
41 tcph->dest != bpf_htons(g_sock_port)) in needed_tcp_pkt()
48 static int egress_accept(struct tcphdr *tcph) in egress_accept() argument
51 if (tcph->fin || !tcph->syn || !tcph->ack) in egress_accept()
61 static int ingress_accept(struct tcphdr *tcph) in ingress_accept() argument
65 if (!tcph->syn || tcph->fin || tcph->ack) in ingress_accept()
71 if (tcph->fin || tcph->syn || !tcph->ack) in ingress_accept()
84 static int egress_connect(struct tcphdr *tcph) in egress_connect() argument
[all …]
H A Dcgroup_skb_sk_lookup_kern.c31 const struct tcphdr *tcph) in set_tuple() argument
35 tuple->ipv6.sport = tcph->dest; in set_tuple()
36 tuple->ipv6.dport = tcph->source; in set_tuple()
41 const struct tcphdr *tcph) in is_allowed_peer_cg() argument
48 set_tuple(&tuple, ip6h, tcph); in is_allowed_peer_cg()
70 struct tcphdr tcph; in ingress_lookup() local
85 if (bpf_skb_load_bytes(skb, sizeof(ip6h), &tcph, sizeof(tcph))) in ingress_lookup()
91 if (tcph.dest != g_serv_port) in ingress_lookup()
94 return is_allowed_peer_cg(skb, &ip6h, &tcph); in ingress_lookup()
H A Dtest_tc_tunnel.c100 struct tcphdr tcph; in __encap_ipv4() local
149 &tcph, sizeof(tcph)) < 0) in __encap_ipv4()
152 if (tcph.dest != __bpf_constant_htons(cfg_port)) in __encap_ipv4()
268 struct tcphdr tcph; in __encap_ipv6() local
280 &tcph, sizeof(tcph)) < 0) in __encap_ipv6()
283 if (tcph.dest != __bpf_constant_htons(cfg_port)) in __encap_ipv6()
377 struct tcphdr tcph; in encap_ipv6_ipip6() local
388 &tcph, sizeof(tcph)) < 0) in encap_ipv6_ipip6()
391 if (tcph.dest != __bpf_constant_htons(cfg_port)) in encap_ipv6_ipip6()
H A Dxdp_flowtable.c49 struct tcphdr *tcph = ports; in xdp_flowtable_offload_check_tcp_state() local
51 if (tcph + 1 > data_end) in xdp_flowtable_offload_check_tcp_state()
54 if (tcph->fin || tcph->rst) in xdp_flowtable_offload_check_tcp_state()
/linux/net/netfilter/
H A Dnf_conntrack_seqadj.c76 struct tcphdr *tcph, in nf_ct_sack_block_adjust() argument
106 inet_proto_csum_replace4(&tcph->check, skb, in nf_ct_sack_block_adjust()
108 inet_proto_csum_replace4(&tcph->check, skb, in nf_ct_sack_block_adjust()
122 struct tcphdr *tcph = (void *)skb->data + protoff; in nf_ct_sack_adjust() local
127 optend = protoff + tcph->doff * 4; in nf_ct_sack_adjust()
132 tcph = (void *)skb->data + protoff; in nf_ct_sack_adjust()
154 nf_ct_sack_block_adjust(skb, tcph, optoff + 2, in nf_ct_sack_adjust()
169 struct tcphdr *tcph; in nf_ct_seq_adjust() local
179 if (skb_ensure_writable(skb, protoff + sizeof(*tcph))) in nf_ct_seq_adjust()
182 tcph = (void *)skb->data + protoff; in nf_ct_seq_adjust()
[all …]
H A Dxt_TCPMSS.c78 struct tcphdr *tcph; in tcpmss_mangle_packet() local
96 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpmss_mangle_packet()
97 tcp_hdrlen = tcph->doff * 4; in tcpmss_mangle_packet()
116 opt = (u_int8_t *)tcph; in tcpmss_mangle_packet()
133 inet_proto_csum_replace2(&tcph->check, skb, in tcpmss_mangle_packet()
159 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpmss_mangle_packet()
176 opt = (u_int8_t *)tcph + sizeof(struct tcphdr); in tcpmss_mangle_packet()
179 inet_proto_csum_replace2(&tcph->check, skb, in tcpmss_mangle_packet()
186 inet_proto_csum_replace4(&tcph->check, skb, 0, *((__be32 *)opt), false); in tcpmss_mangle_packet()
188 oldval = ((__be16 *)tcph)[6]; in tcpmss_mangle_packet()
[all …]
H A Dnft_exthdr.c172 struct tcphdr *tcph; in nft_tcp_header_pointer() local
177 tcph = skb_header_pointer(pkt->skb, nft_thoff(pkt), sizeof(*tcph), buffer); in nft_tcp_header_pointer()
178 if (!tcph) in nft_tcp_header_pointer()
181 *tcphdr_len = __tcp_hdrlen(tcph); in nft_tcp_header_pointer()
182 if (*tcphdr_len < sizeof(*tcph) || *tcphdr_len > len) in nft_tcp_header_pointer()
196 struct tcphdr *tcph; in nft_exthdr_tcp_eval() local
199 tcph = nft_tcp_header_pointer(pkt, sizeof(buff), buff, &tcphdr_len); in nft_exthdr_tcp_eval()
200 if (!tcph) in nft_exthdr_tcp_eval()
203 opt = (u8 *)tcph; in nft_exthdr_tcp_eval()
204 for (i = sizeof(*tcph); i < tcphdr_len - 1; i += optl) { in nft_exthdr_tcp_eval()
[all …]
H A Dxt_TCPOPTSTRIP.c34 struct tcphdr *tcph, _th; in tcpoptstrip_mangle_packet() local
44 tcph = skb_header_pointer(skb, tcphoff, sizeof(_th), &_th); in tcpoptstrip_mangle_packet()
45 if (!tcph) in tcpoptstrip_mangle_packet()
48 tcp_hdrlen = tcph->doff * 4; in tcpoptstrip_mangle_packet()
56 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpoptstrip_mangle_packet()
57 opt = (u8 *)tcph; in tcpoptstrip_mangle_packet()
79 inet_proto_csum_replace2(&tcph->check, skb, htons(o), in tcpoptstrip_mangle_packet()
H A Dnf_conntrack_proto_tcp.c275 static unsigned int get_conntrack_index(const struct tcphdr *tcph) in get_conntrack_index() argument
277 if (tcph->rst) return TCP_RST_SET; in get_conntrack_index()
278 else if (tcph->syn) return (tcph->ack ? TCP_SYNACK_SET : TCP_SYN_SET); in get_conntrack_index()
279 else if (tcph->fin) return TCP_FIN_SET; in get_conntrack_index()
280 else if (tcph->ack) return TCP_ACK_SET; in get_conntrack_index()
316 const struct tcphdr *tcph) in segment_seq_plus_len() argument
320 return (seq + len - dataoff - tcph->doff*4 in segment_seq_plus_len()
321 + (tcph->syn ? 1 : 0) + (tcph->fin ? 1 : 0)); in segment_seq_plus_len()
335 const struct tcphdr *tcph, in tcp_options() argument
340 int length = (tcph->doff*4) - sizeof(struct tcphdr); in tcp_options()
[all …]
H A Dnf_nat_helper.c95 struct tcphdr *tcph; in __nf_nat_mangle_tcp_packet() local
106 tcph = (void *)skb->data + protoff; in __nf_nat_mangle_tcp_packet()
109 mangle_contents(skb, protoff + tcph->doff*4, in __nf_nat_mangle_tcp_packet()
115 tcph, &tcph->check, datalen, oldlen); in __nf_nat_mangle_tcp_packet()
118 nf_ct_seqadj_set(ct, ctinfo, tcph->seq, in __nf_nat_mangle_tcp_packet()
H A Dnf_flow_table_ip.c25 struct tcphdr *tcph; in nf_flow_state_check() local
30 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_state_check()
31 if (tcph->syn && test_bit(NF_FLOW_CLOSING, &flow->flags)) { in nf_flow_state_check()
36 if ((tcph->fin || tcph->rst) && in nf_flow_state_check()
46 struct tcphdr *tcph; in nf_flow_nat_ip_tcp() local
48 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ip_tcp()
49 inet_proto_csum_replace4(&tcph->check, skb, addr, new_addr, true); in nf_flow_nat_ip_tcp()
484 struct tcphdr *tcph; in nf_flow_nat_ipv6_tcp() local
486 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ipv6_tcp()
487 inet_proto_csum_replace16(&tcph->check, skb, addr->s6_addr32, in nf_flow_nat_ipv6_tcp()
H A Dnf_conntrack_pptp.c497 const struct tcphdr *tcph; in conntrack_pptp_help() local
522 tcph = skb_header_pointer(skb, nexthdr_off, sizeof(_tcph), &_tcph); in conntrack_pptp_help()
523 if (!tcph) in conntrack_pptp_help()
526 nexthdr_off += tcph->doff * 4; in conntrack_pptp_help()
527 datalen = tcplen - tcph->doff * 4; in conntrack_pptp_help()
/linux/net/ipv4/netfilter/
H A Dipt_ECN.c47 struct tcphdr _tcph, *tcph; in set_ect_tcp() local
51 tcph = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(_tcph), &_tcph); in set_ect_tcp()
52 if (!tcph) in set_ect_tcp()
56 tcph->ece == einfo->proto.tcp.ece) && in set_ect_tcp()
58 tcph->cwr == einfo->proto.tcp.cwr)) in set_ect_tcp()
61 if (skb_ensure_writable(skb, ip_hdrlen(skb) + sizeof(*tcph))) in set_ect_tcp()
63 tcph = (void *)ip_hdr(skb) + ip_hdrlen(skb); in set_ect_tcp()
65 oldval = ((__be16 *)tcph)[6]; in set_ect_tcp()
67 tcph->ece = einfo->proto.tcp.ece; in set_ect_tcp()
69 tcph->cwr = einfo->proto.tcp.cwr; in set_ect_tcp()
[all …]
H A Dnf_reject_ipv4.c197 struct tcphdr *tcph; in nf_reject_ip_tcphdr_put() local
200 tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); in nf_reject_ip_tcphdr_put()
201 tcph->source = oth->dest; in nf_reject_ip_tcphdr_put()
202 tcph->dest = oth->source; in nf_reject_ip_tcphdr_put()
203 tcph->doff = sizeof(struct tcphdr) / 4; in nf_reject_ip_tcphdr_put()
206 tcph->seq = oth->ack_seq; in nf_reject_ip_tcphdr_put()
208 tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + in nf_reject_ip_tcphdr_put()
211 tcph->ack = 1; in nf_reject_ip_tcphdr_put()
214 tcph->rst = 1; in nf_reject_ip_tcphdr_put()
215 tcph->check = ~tcp_v4_check(sizeof(struct tcphdr), niph->saddr, in nf_reject_ip_tcphdr_put()
[all …]
/linux/net/netfilter/ipvs/
H A Dip_vs_proto_tcp.c105 tcp_fast_csum_update(int af, struct tcphdr *tcph, in tcp_fast_csum_update() argument
112 tcph->check = in tcp_fast_csum_update()
115 ~csum_unfold(tcph->check)))); in tcp_fast_csum_update()
118 tcph->check = in tcp_fast_csum_update()
121 ~csum_unfold(tcph->check)))); in tcp_fast_csum_update()
126 tcp_partial_csum_update(int af, struct tcphdr *tcph, in tcp_partial_csum_update() argument
133 tcph->check = in tcp_partial_csum_update()
136 csum_unfold(tcph->check)))); in tcp_partial_csum_update()
139 tcph->check = in tcp_partial_csum_update()
142 csum_unfold(tcph->check)))); in tcp_partial_csum_update()
[all …]
/linux/tools/testing/selftests/net/
H A Dgro.c284 struct tcphdr *tcph = buf; in fill_transportlayer() local
286 memset(tcph, 0, sizeof(*tcph)); in fill_transportlayer()
288 tcph->source = htons(SPORT); in fill_transportlayer()
289 tcph->dest = htons(DPORT); in fill_transportlayer()
290 tcph->seq = ntohl(START_SEQ + seq_offset); in fill_transportlayer()
291 tcph->ack_seq = ntohl(START_ACK + ack_offset); in fill_transportlayer()
292 tcph->ack = 1; in fill_transportlayer()
293 tcph->fin = fin; in fill_transportlayer()
294 tcph->doff = 5; in fill_transportlayer()
295 tcph->window = htons(TCP_MAXWIN); in fill_transportlayer()
[all …]
/linux/drivers/infiniband/hw/irdma/
H A Dcm.c310 struct tcphdr *tcph; in irdma_form_ah_cm_frame() local
338 pktsize = sizeof(*tcph) + opts_len + hdr_len + pd_len; in irdma_form_ah_cm_frame()
340 memset(buf, 0, sizeof(*tcph)); in irdma_form_ah_cm_frame()
343 sqbuf->tcphlen = sizeof(*tcph) + opts_len; in irdma_form_ah_cm_frame()
346 tcph = (struct tcphdr *)buf; in irdma_form_ah_cm_frame()
347 buf += sizeof(*tcph); in irdma_form_ah_cm_frame()
349 tcph->source = htons(cm_node->loc_port); in irdma_form_ah_cm_frame()
350 tcph->dest = htons(cm_node->rem_port); in irdma_form_ah_cm_frame()
351 tcph->seq = htonl(cm_node->tcp_cntxt.loc_seq_num); in irdma_form_ah_cm_frame()
355 tcph->ack_seq = htonl(cm_node->tcp_cntxt.loc_ack_num); in irdma_form_ah_cm_frame()
[all …]
/linux/net/ipv6/netfilter/
H A Dnf_reject_ipv6.c225 struct tcphdr *tcph; in nf_reject_ip6_tcphdr_put() local
228 tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); in nf_reject_ip6_tcphdr_put()
230 tcph->doff = sizeof(struct tcphdr)/4; in nf_reject_ip6_tcphdr_put()
231 tcph->source = oth->dest; in nf_reject_ip6_tcphdr_put()
232 tcph->dest = oth->source; in nf_reject_ip6_tcphdr_put()
235 tcph->seq = oth->ack_seq; in nf_reject_ip6_tcphdr_put()
237 tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + in nf_reject_ip6_tcphdr_put()
239 tcph->ack = 1; in nf_reject_ip6_tcphdr_put()
242 tcph->rst = 1; in nf_reject_ip6_tcphdr_put()
245 tcph->check = csum_ipv6_magic(&ipv6_hdr(nskb)->saddr, in nf_reject_ip6_tcphdr_put()
[all …]
/linux/net/core/
H A Dtso.c28 struct tcphdr *tcph = (struct tcphdr *)hdr; in tso_build_hdr() local
30 put_unaligned_be32(tso->tcp_seq, &tcph->seq); in tso_build_hdr()
34 tcph->psh = 0; in tso_build_hdr()
35 tcph->fin = 0; in tso_build_hdr()
36 tcph->rst = 0; in tso_build_hdr()
/linux/net/sched/
H A Dact_csum.c208 struct tcphdr *tcph; in tcf_csum_ipv4_tcp() local
214 tcph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*tcph)); in tcf_csum_ipv4_tcp()
215 if (tcph == NULL) in tcf_csum_ipv4_tcp()
219 tcph->check = 0; in tcf_csum_ipv4_tcp()
220 skb->csum = csum_partial(tcph, ipl - ihl, 0); in tcf_csum_ipv4_tcp()
221 tcph->check = tcp_v4_check(ipl - ihl, in tcf_csum_ipv4_tcp()
232 struct tcphdr *tcph; in tcf_csum_ipv6_tcp() local
238 tcph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*tcph)); in tcf_csum_ipv6_tcp()
239 if (tcph == NULL) in tcf_csum_ipv6_tcp()
243 tcph->check = 0; in tcf_csum_ipv6_tcp()
[all …]
H A Dact_nat.c181 struct tcphdr *tcph; in tcf_nat_act() local
183 if (!pskb_may_pull(skb, ihl + sizeof(*tcph) + noff) || in tcf_nat_act()
184 skb_try_make_writable(skb, ihl + sizeof(*tcph) + noff)) in tcf_nat_act()
187 tcph = (void *)(skb_network_header(skb) + ihl); in tcf_nat_act()
188 inet_proto_csum_replace4(&tcph->check, skb, addr, new_addr, in tcf_nat_act()
H A Dsch_cake.c953 const struct tcphdr *tcph; in cake_get_tcphdr() local
992 tcph = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); in cake_get_tcphdr()
993 if (!tcph || tcph->doff < 5) in cake_get_tcphdr()
997 min(__tcp_hdrlen(tcph), bufsize), buf); in cake_get_tcphdr()
1000 static const void *cake_get_tcpopt(const struct tcphdr *tcph, in cake_get_tcpopt() argument
1004 int length = __tcp_hdrlen(tcph) - sizeof(struct tcphdr); in cake_get_tcpopt()
1005 const u8 *ptr = (const u8 *)(tcph + 1); in cake_get_tcpopt()
1112 static void cake_tcph_get_tstamp(const struct tcphdr *tcph, in cake_tcph_get_tstamp() argument
1118 ptr = cake_get_tcpopt(tcph, TCPOPT_TIMESTAMP, &opsize); in cake_tcph_get_tstamp()
1126 static bool cake_tcph_may_drop(const struct tcphdr *tcph, in cake_tcph_may_drop() argument
[all …]
H A Dact_ct.c513 struct tcphdr **tcph) in tcf_ct_flow_table_fill_tuple_ipv4() argument
556 *tcph = (void *)(skb_network_header(skb) + thoff); in tcf_ct_flow_table_fill_tuple_ipv4()
586 struct tcphdr **tcph) in tcf_ct_flow_table_fill_tuple_ipv6() argument
625 *tcph = (void *)(skb_network_header(skb) + thoff); in tcf_ct_flow_table_fill_tuple_ipv6()
660 struct tcphdr *tcph = NULL; in tcf_ct_flow_table_lookup() local
668 if (!tcf_ct_flow_table_fill_tuple_ipv4(skb, &tuple, &tcph)) in tcf_ct_flow_table_lookup()
672 if (!tcf_ct_flow_table_fill_tuple_ipv6(skb, &tuple, &tcph)) in tcf_ct_flow_table_lookup()
702 if (tcph && (unlikely(tcph->fin || tcph->rst))) { in tcf_ct_flow_table_lookup()
/linux/tools/testing/selftests/net/tcp_ao/
H A Dicmps-accept.c191 } tcph; in icmp_interfere4() member
209 packet_len = sizeof(packet.iphe) + sizeof(packet.tcph); in icmp_interfere4()
212 packet.tcph.sport = dst->sin_port; in icmp_interfere4()
213 packet.tcph.dport = src->sin_port; in icmp_interfere4()
214 packet.tcph.seq = htonl(rcv_nxt); in icmp_interfere4()
306 } tcph; in icmp6_interfere() member
321 packet_len = sizeof(packet.iphe) + sizeof(packet.tcph); in icmp6_interfere()
324 packet.tcph.sport = dst->sin6_port; in icmp6_interfere()
325 packet.tcph.dport = src->sin6_port; in icmp6_interfere()
326 packet.tcph in icmp6_interfere()
[all...]
H A Dicmps-discard.c191 } tcph; in icmp_interfere4() member
209 packet_len = sizeof(packet.iphe) + sizeof(packet.tcph); in icmp_interfere4()
212 packet.tcph.sport = dst->sin_port; in icmp_interfere4()
213 packet.tcph.dport = src->sin_port; in icmp_interfere4()
214 packet.tcph.seq = htonl(rcv_nxt); in icmp_interfere4()
306 } tcph; in icmp6_interfere() member
321 packet_len = sizeof(packet.iphe) + sizeof(packet.tcph); in icmp6_interfere()
324 packet.tcph.sport = dst->sin6_port; in icmp6_interfere()
325 packet.tcph.dport = src->sin6_port; in icmp6_interfere()
326 packet.tcph.seq = htonl(rcv_nxt); in icmp6_interfere()

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