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Searched refs:tcph (Results 1 – 25 of 37) sorted by relevance

12

/kernel/linux/linux-5.10/tools/testing/selftests/bpf/progs/
Dtest_tcp_check_syncookie_kern.c28 struct tcphdr *tcph) in gen_syncookie() argument
30 __u32 thlen = tcph->doff * 4; in gen_syncookie()
32 if (tcph->syn && !tcph->ack) { in gen_syncookie()
37 if ((void *)tcph + thlen > data_end) in gen_syncookie()
40 return bpf_tcp_gen_syncookie(sk, iph, ip_size, tcph, thlen); in gen_syncookie()
53 struct tcphdr *tcph; in check_syncookie() local
73 tcph = data + sizeof(struct ethhdr) + sizeof(struct iphdr); in check_syncookie()
74 if (tcph + 1 > data_end) in check_syncookie()
79 tup.ipv4.sport = tcph->source; in check_syncookie()
80 tup.ipv4.dport = tcph->dest; in check_syncookie()
[all …]
Dcgroup_skb_sk_lookup_kern.c32 const struct tcphdr *tcph) in set_tuple() argument
36 tuple->ipv6.sport = tcph->dest; in set_tuple()
37 tuple->ipv6.dport = tcph->source; in set_tuple()
42 const struct tcphdr *tcph) in is_allowed_peer_cg() argument
49 set_tuple(&tuple, ip6h, tcph); in is_allowed_peer_cg()
72 struct tcphdr tcph; in ingress_lookup() local
87 if (bpf_skb_load_bytes(skb, sizeof(ip6h), &tcph, sizeof(tcph))) in ingress_lookup()
93 if (tcph.dest != g_serv_port) in ingress_lookup()
96 return is_allowed_peer_cg(skb, &ip6h, &tcph); in ingress_lookup()
Dtest_tc_tunnel.c78 struct tcphdr tcph; in encap_ipv4() local
126 &tcph, sizeof(tcph)) < 0) in encap_ipv4()
129 if (tcph.dest != __bpf_constant_htons(cfg_port)) in encap_ipv4()
223 struct tcphdr tcph; in encap_ipv6() local
234 &tcph, sizeof(tcph)) < 0) in encap_ipv6()
237 if (tcph.dest != __bpf_constant_htons(cfg_port)) in encap_ipv6()
/kernel/linux/linux-5.10/net/netfilter/
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 …]
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 …]
Dnft_exthdr.c172 struct tcphdr *tcph; in nft_tcp_header_pointer() local
177 tcph = skb_header_pointer(pkt->skb, pkt->xt.thoff, 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 …]
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()
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()
Dnf_conntrack_proto_tcp.c283 static unsigned int get_conntrack_index(const struct tcphdr *tcph) in get_conntrack_index() argument
285 if (tcph->rst) return TCP_RST_SET; in get_conntrack_index()
286 else if (tcph->syn) return (tcph->ack ? TCP_SYNACK_SET : TCP_SYN_SET); in get_conntrack_index()
287 else if (tcph->fin) return TCP_FIN_SET; in get_conntrack_index()
288 else if (tcph->ack) return TCP_ACK_SET; in get_conntrack_index()
324 const struct tcphdr *tcph) in segment_seq_plus_len() argument
328 return (seq + len - dataoff - tcph->doff*4 in segment_seq_plus_len()
329 + (tcph->syn ? 1 : 0) + (tcph->fin ? 1 : 0)); in segment_seq_plus_len()
343 const struct tcphdr *tcph, in tcp_options() argument
348 int length = (tcph->doff*4) - sizeof(struct tcphdr); in tcp_options()
[all …]
Dnf_flow_table_ip.c23 struct tcphdr *tcph; in nf_flow_state_check() local
28 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_state_check()
29 if (unlikely(tcph->fin || tcph->rst)) { in nf_flow_state_check()
40 struct tcphdr *tcph; in nf_flow_nat_ip_tcp() local
42 if (skb_try_make_writable(skb, thoff + sizeof(*tcph))) in nf_flow_nat_ip_tcp()
45 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ip_tcp()
46 inet_proto_csum_replace4(&tcph->check, skb, addr, new_addr, true); in nf_flow_nat_ip_tcp()
318 struct tcphdr *tcph; in nf_flow_nat_ipv6_tcp() local
320 if (skb_try_make_writable(skb, thoff + sizeof(*tcph))) in nf_flow_nat_ipv6_tcp()
323 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ipv6_tcp()
[all …]
Dnft_flow_offload.c76 struct tcphdr _tcph, *tcph = NULL; in nft_flow_offload_eval() local
93 tcph = skb_header_pointer(pkt->skb, pkt->xt.thoff, in nft_flow_offload_eval()
95 if (unlikely(!tcph || tcph->fin || tcph->rst)) in nft_flow_offload_eval()
125 if (tcph) { in nft_flow_offload_eval()
Dnf_conntrack_pptp.c521 const struct tcphdr *tcph; in conntrack_pptp_help() local
546 tcph = skb_header_pointer(skb, nexthdr_off, sizeof(_tcph), &_tcph); in conntrack_pptp_help()
547 BUG_ON(!tcph); in conntrack_pptp_help()
548 nexthdr_off += tcph->doff * 4; in conntrack_pptp_help()
549 datalen = tcplen - tcph->doff * 4; in conntrack_pptp_help()
Dnf_flow_table_core.c395 struct tcphdr *tcph; in nf_flow_nat_port_tcp() local
397 if (skb_try_make_writable(skb, thoff + sizeof(*tcph))) in nf_flow_nat_port_tcp()
400 tcph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_port_tcp()
401 inet_proto_csum_replace2(&tcph->check, skb, port, new_port, false); in nf_flow_nat_port_tcp()
/kernel/linux/linux-5.10/net/ipv4/netfilter/
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 …]
Dnf_reject_ipv4.c73 struct tcphdr *tcph; in nf_reject_ip_tcphdr_put() local
76 tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); in nf_reject_ip_tcphdr_put()
77 tcph->source = oth->dest; in nf_reject_ip_tcphdr_put()
78 tcph->dest = oth->source; in nf_reject_ip_tcphdr_put()
79 tcph->doff = sizeof(struct tcphdr) / 4; in nf_reject_ip_tcphdr_put()
82 tcph->seq = oth->ack_seq; in nf_reject_ip_tcphdr_put()
84 tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + in nf_reject_ip_tcphdr_put()
87 tcph->ack = 1; in nf_reject_ip_tcphdr_put()
90 tcph->rst = 1; in nf_reject_ip_tcphdr_put()
91 tcph->check = ~tcp_v4_check(sizeof(struct tcphdr), niph->saddr, in nf_reject_ip_tcphdr_put()
[all …]
/kernel/linux/linux-5.10/net/ipv6/netfilter/
Dnf_reject_ipv6.c91 struct tcphdr *tcph; in nf_reject_ip6_tcphdr_put() local
95 tcph = skb_put(nskb, sizeof(struct tcphdr)); in nf_reject_ip6_tcphdr_put()
97 tcph->doff = sizeof(struct tcphdr)/4; in nf_reject_ip6_tcphdr_put()
98 tcph->source = oth->dest; in nf_reject_ip6_tcphdr_put()
99 tcph->dest = oth->source; in nf_reject_ip6_tcphdr_put()
103 tcph->seq = oth->ack_seq; in nf_reject_ip6_tcphdr_put()
104 tcph->ack_seq = 0; in nf_reject_ip6_tcphdr_put()
107 tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + in nf_reject_ip6_tcphdr_put()
109 tcph->seq = 0; in nf_reject_ip6_tcphdr_put()
113 ((u_int8_t *)tcph)[13] = 0; in nf_reject_ip6_tcphdr_put()
[all …]
/kernel/linux/linux-5.10/net/netfilter/ipvs/
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 …]
/kernel/linux/linux-5.10/net/core/
Dtso.c36 struct tcphdr *tcph = (struct tcphdr *)hdr; in tso_build_hdr() local
38 put_unaligned_be32(tso->tcp_seq, &tcph->seq); in tso_build_hdr()
42 tcph->psh = 0; in tso_build_hdr()
43 tcph->fin = 0; in tso_build_hdr()
44 tcph->rst = 0; in tso_build_hdr()
/kernel/linux/linux-5.10/net/sched/
Dact_csum.c207 struct tcphdr *tcph; in tcf_csum_ipv4_tcp() local
213 tcph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*tcph)); in tcf_csum_ipv4_tcp()
214 if (tcph == NULL) in tcf_csum_ipv4_tcp()
218 tcph->check = 0; in tcf_csum_ipv4_tcp()
219 skb->csum = csum_partial(tcph, ipl - ihl, 0); in tcf_csum_ipv4_tcp()
220 tcph->check = tcp_v4_check(ipl - ihl, in tcf_csum_ipv4_tcp()
231 struct tcphdr *tcph; in tcf_csum_ipv6_tcp() local
237 tcph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*tcph)); in tcf_csum_ipv6_tcp()
238 if (tcph == NULL) in tcf_csum_ipv6_tcp()
242 tcph->check = 0; in tcf_csum_ipv6_tcp()
[all …]
Dact_nat.c169 struct tcphdr *tcph; in tcf_nat_act() local
171 if (!pskb_may_pull(skb, ihl + sizeof(*tcph) + noff) || in tcf_nat_act()
172 skb_try_make_writable(skb, ihl + sizeof(*tcph) + noff)) in tcf_nat_act()
175 tcph = (void *)(skb_network_header(skb) + ihl); in tcf_nat_act()
176 inet_proto_csum_replace4(&tcph->check, skb, addr, new_addr, in tcf_nat_act()
Dsch_cake.c906 const struct tcphdr *tcph; in cake_get_tcphdr() local
945 tcph = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); in cake_get_tcphdr()
946 if (!tcph || tcph->doff < 5) in cake_get_tcphdr()
950 min(__tcp_hdrlen(tcph), bufsize), buf); in cake_get_tcphdr()
953 static const void *cake_get_tcpopt(const struct tcphdr *tcph, in cake_get_tcpopt() argument
957 int length = __tcp_hdrlen(tcph) - sizeof(struct tcphdr); in cake_get_tcpopt()
958 const u8 *ptr = (const u8 *)(tcph + 1); in cake_get_tcpopt()
1065 static void cake_tcph_get_tstamp(const struct tcphdr *tcph, in cake_tcph_get_tstamp() argument
1071 ptr = cake_get_tcpopt(tcph, TCPOPT_TIMESTAMP, &opsize); in cake_tcph_get_tstamp()
1079 static bool cake_tcph_may_drop(const struct tcphdr *tcph, in cake_tcph_may_drop() argument
[all …]
Dact_ct.c419 struct tcphdr **tcph) in tcf_ct_flow_table_fill_tuple_ipv4() argument
449 *tcph = (void *)(skb_network_header(skb) + thoff); in tcf_ct_flow_table_fill_tuple_ipv4()
465 struct tcphdr **tcph) in tcf_ct_flow_table_fill_tuple_ipv6() argument
491 *tcph = (void *)(skb_network_header(skb) + thoff); in tcf_ct_flow_table_fill_tuple_ipv6()
512 struct tcphdr *tcph = NULL; in tcf_ct_flow_table_lookup() local
519 if (!tcf_ct_flow_table_fill_tuple_ipv4(skb, &tuple, &tcph)) in tcf_ct_flow_table_lookup()
523 if (!tcf_ct_flow_table_fill_tuple_ipv6(skb, &tuple, &tcph)) in tcf_ct_flow_table_lookup()
538 if (tcph && (unlikely(tcph->fin || tcph->rst))) { in tcf_ct_flow_table_lookup()
/kernel/linux/linux-5.10/drivers/infiniband/hw/i40iw/
Di40iw_cm.c382 struct tcphdr *tcph; in i40iw_form_cm_frame() local
411 packetsize = sizeof(*iph) + sizeof(*tcph); in i40iw_form_cm_frame()
413 packetsize = sizeof(*ip6h) + sizeof(*tcph); in i40iw_form_cm_frame()
420 sqbuf->tcphlen = sizeof(*tcph) + opts_len; in i40iw_form_cm_frame()
431 tcph = (struct tcphdr *)buf; in i40iw_form_cm_frame()
432 buf += sizeof(*tcph); in i40iw_form_cm_frame()
461 tcph = (struct tcphdr *)buf; in i40iw_form_cm_frame()
462 buf += sizeof(*tcph); in i40iw_form_cm_frame()
488 tcph->source = htons(cm_node->loc_port); in i40iw_form_cm_frame()
489 tcph->dest = htons(cm_node->rem_port); in i40iw_form_cm_frame()
[all …]
Di40iw_utils.c1364 struct tcphdr *tcph = (struct tcphdr *)buf->tcph; in i40iw_ieq_get_qp() local
1376 loc_port = ntohs(tcph->dest); in i40iw_ieq_get_qp()
1377 rem_port = ntohs(tcph->source); in i40iw_ieq_get_qp()
1395 struct tcphdr *tcph; in i40iw_ieq_update_tcpip_info() local
1403 tcph = (struct tcphdr *)(addr + buf->maclen + iphlen); in i40iw_ieq_update_tcpip_info()
1407 tcph->seq = htonl(seqnum); in i40iw_ieq_update_tcpip_info()
1420 struct tcphdr *tcph; in i40iw_puda_get_tcpip_info() local
1436 buf->tcph = buf->iph + iphlen; in i40iw_puda_get_tcpip_info()
1437 tcph = (struct tcphdr *)buf->tcph; in i40iw_puda_get_tcpip_info()
1454 buf->tcphlen = (tcph->doff) << 2; in i40iw_puda_get_tcpip_info()
[all …]
/kernel/linux/linux-5.10/drivers/net/ethernet/mellanox/mlx5/core/en_accel/
Dipsec_rxtx.c209 struct tcphdr *tcph; in mlx5e_ipsec_set_metadata() local
214 tcph = inner_tcp_hdr(skb); in mlx5e_ipsec_set_metadata()
222 ntohs(tcph->source), ntohs(tcph->dest), in mlx5e_ipsec_set_metadata()
223 ntohl(tcph->seq), ntohl(esph->seq_no)); in mlx5e_ipsec_set_metadata()
226 mdata->content.tx.seq = htons(ntohl(tcph->seq) & 0xFFFF); in mlx5e_ipsec_set_metadata()

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