| /Linux-v4.19/net/ipv4/netfilter/ |
| D | nf_reject_ipv4.c | 18 const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb, in nf_reject_ip_tcphdr_get()
19 struct tcphdr *_oth, int hook) in nf_reject_ip_tcphdr_get()
21 const struct tcphdr *oth; in nf_reject_ip_tcphdr_get()
31 sizeof(struct tcphdr), _oth); in nf_reject_ip_tcphdr_get()
73 const struct tcphdr *oth) in nf_reject_ip_tcphdr_put()
76 struct tcphdr *tcph; in nf_reject_ip_tcphdr_put()
79 tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); in nf_reject_ip_tcphdr_put()
82 tcph->doff = sizeof(struct tcphdr) / 4; in nf_reject_ip_tcphdr_put()
94 tcph->check = ~tcp_v4_check(sizeof(struct tcphdr), niph->saddr, in nf_reject_ip_tcphdr_put()
98 nskb->csum_offset = offsetof(struct tcphdr, check); in nf_reject_ip_tcphdr_put()
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| D | ipt_SYNPROXY.c | 47 struct iphdr *niph, struct tcphdr *nth, in synproxy_send_tcp()
53 nskb->csum_offset = offsetof(struct tcphdr, check); in synproxy_send_tcp()
74 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_client_synack()
79 struct tcphdr *nth; in synproxy_send_client_synack()
116 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_server_syn()
122 struct tcphdr *nth; in synproxy_send_server_syn()
162 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_server_ack()
167 struct tcphdr *nth; in synproxy_send_server_ack()
200 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_client_ack()
205 struct tcphdr *nth; in synproxy_send_client_ack()
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| D | nf_tproxy_ipv4.c | 27 struct tcphdr _hdr, *hp; in nf_tproxy_handle_time_wait4()
85 struct tcphdr _hdr, *hp; in nf_tproxy_get_sock_v4()
88 sizeof(struct tcphdr), &_hdr); in nf_tproxy_get_sock_v4()
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| /Linux-v4.19/net/ipv6/netfilter/ |
| D | nf_reject_ipv6.c | 18 const struct tcphdr *nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb, in nf_reject_ip6_tcphdr_get()
19 struct tcphdr *otcph, in nf_reject_ip6_tcphdr_get()
39 if (proto != IPPROTO_TCP || *otcplen < sizeof(struct tcphdr)) { in nf_reject_ip6_tcphdr_get()
45 otcph = skb_header_pointer(oldskb, tcphoff, sizeof(struct tcphdr), in nf_reject_ip6_tcphdr_get()
92 const struct tcphdr *oth, unsigned int otcplen) in nf_reject_ip6_tcphdr_put()
94 struct tcphdr *tcph; in nf_reject_ip6_tcphdr_put()
98 tcph = skb_put(nskb, sizeof(struct tcphdr)); in nf_reject_ip6_tcphdr_put()
100 tcph->doff = sizeof(struct tcphdr)/4; in nf_reject_ip6_tcphdr_put()
126 sizeof(struct tcphdr), IPPROTO_TCP, in nf_reject_ip6_tcphdr_put()
128 sizeof(struct tcphdr), 0)); in nf_reject_ip6_tcphdr_put()
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| D | ip6t_SYNPROXY.c | 45 struct ipv6hdr *niph, struct tcphdr *nth, in synproxy_send_tcp()
54 nskb->csum_offset = offsetof(struct tcphdr, check); in synproxy_send_tcp()
88 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_client_synack()
93 struct tcphdr *nth; in synproxy_send_client_synack()
130 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_server_syn()
136 struct tcphdr *nth; in synproxy_send_server_syn()
176 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_server_ack()
181 struct tcphdr *nth; in synproxy_send_server_ack()
214 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_client_ack()
219 struct tcphdr *nth; in synproxy_send_client_ack()
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| D | nf_tproxy_ipv6.c | 45 struct tcphdr _hdr, *hp; in nf_tproxy_handle_time_wait6()
86 struct tcphdr _hdr, *hp; in nf_tproxy_get_sock_v6()
89 sizeof(struct tcphdr), &_hdr); in nf_tproxy_get_sock_v6()
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| /Linux-v4.19/net/netfilter/ |
| D | xt_TCPOPTSTRIP.c | 38 struct tcphdr *tcph; in tcpoptstrip_mangle_packet()
51 if (len < (int)sizeof(struct tcphdr)) in tcpoptstrip_mangle_packet()
54 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpoptstrip_mangle_packet()
66 for (i = sizeof(struct tcphdr); i < tcp_hdrlen - 1; i += optl) { in tcpoptstrip_mangle_packet()
95 sizeof(struct iphdr) + sizeof(struct tcphdr)); in tcpoptstrip_tg4()
113 sizeof(*ipv6h) + sizeof(struct tcphdr)); in tcpoptstrip_tg6()
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| D | xt_TCPMSS.c | 81 struct tcphdr *tcph; in tcpmss_mangle_packet()
96 if (len < (int)sizeof(struct tcphdr)) in tcpmss_mangle_packet()
99 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpmss_mangle_packet()
102 if (len < tcp_hdrlen || tcp_hdrlen < sizeof(struct tcphdr)) in tcpmss_mangle_packet()
120 for (i = sizeof(struct tcphdr); i <= tcp_hdrlen - TCPOLEN_MSS; i += optlen(opt, i)) { in tcpmss_mangle_packet()
162 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpmss_mangle_packet()
179 opt = (u_int8_t *)tcph + sizeof(struct tcphdr); in tcpmss_mangle_packet()
180 memmove(opt + TCPOLEN_MSS, opt, len - sizeof(struct tcphdr)); in tcpmss_mangle_packet()
208 sizeof(*iph) + sizeof(struct tcphdr)); in tcpmss_tg4()
237 sizeof(*ipv6h) + sizeof(struct tcphdr)); in tcpmss_tg6()
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| D | nf_nat_proto_tcp.c | 41 struct tcphdr *hdr; in tcp_manip_pkt()
48 if (skb->len >= hdroff + sizeof(struct tcphdr)) in tcp_manip_pkt()
49 hdrsize = sizeof(struct tcphdr); in tcp_manip_pkt()
54 hdr = (struct tcphdr *)(skb->data + hdroff); in tcp_manip_pkt()
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| D | nf_log_common.c | 60 struct tcphdr _tcph; in nf_log_dump_tcp_header()
61 const struct tcphdr *th; in nf_log_dump_tcp_header()
110 if ((logflags & NF_LOG_TCPOPT) && th->doff*4 > sizeof(struct tcphdr)) { in nf_log_dump_tcp_header()
111 u_int8_t _opt[60 - sizeof(struct tcphdr)]; in nf_log_dump_tcp_header()
114 unsigned int optsize = th->doff*4 - sizeof(struct tcphdr); in nf_log_dump_tcp_header()
116 op = skb_header_pointer(skb, offset + sizeof(struct tcphdr), in nf_log_dump_tcp_header()
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| D | nfnetlink_osf.c | 166 static const struct tcphdr *nf_osf_hdr_ctx_init(struct nf_osf_hdr_ctx *ctx, in nf_osf_hdr_ctx_init()
171 const struct tcphdr *tcp; in nf_osf_hdr_ctx_init()
172 struct tcphdr _tcph; in nf_osf_hdr_ctx_init()
174 tcp = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(struct tcphdr), &_tcph); in nf_osf_hdr_ctx_init()
185 if (tcp->doff * 4 > sizeof(struct tcphdr)) { in nf_osf_hdr_ctx_init()
186 ctx->optsize = tcp->doff * 4 - sizeof(struct tcphdr); in nf_osf_hdr_ctx_init()
189 sizeof(struct tcphdr), ctx->optsize, opts); in nf_osf_hdr_ctx_init()
208 const struct tcphdr *tcp; in nf_osf_match()
267 const struct tcphdr *tcp; in nf_osf_find()
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| D | nf_conntrack_seqadj.c | 63 const struct tcphdr *th; in nf_ct_tcp_seqadj_set()
68 th = (struct tcphdr *)(skb_network_header(skb) + ip_hdrlen(skb)); in nf_ct_tcp_seqadj_set()
75 struct tcphdr *tcph, in nf_ct_sack_block_adjust()
118 struct tcphdr *tcph, in nf_ct_sack_adjust()
125 optoff = protoff + sizeof(struct tcphdr); in nf_ct_sack_adjust()
167 struct tcphdr *tcph; in nf_ct_seq_adjust()
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| D | nft_osf.c | 21 const struct tcphdr *tcp; in nft_osf_eval()
22 struct tcphdr _tcph; in nft_osf_eval()
26 sizeof(struct tcphdr), &_tcph); in nft_osf_eval()
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| D | xt_tcpudp.c | 40 u_int8_t _opt[60 - sizeof(struct tcphdr)]; in tcp_find_option()
49 op = skb_header_pointer(skb, protoff + sizeof(struct tcphdr), in tcp_find_option()
67 const struct tcphdr *th; in tcp_mt()
68 struct tcphdr _tcph; in tcp_mt()
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| D | nf_conntrack_proto_tcp.c | 291 static unsigned int get_conntrack_index(const struct tcphdr *tcph) in get_conntrack_index()
332 const struct tcphdr *tcph) in segment_seq_plus_len()
351 const struct tcphdr *tcph, in tcp_options()
354 unsigned char buff[(15 * 4) - sizeof(struct tcphdr)]; in tcp_options()
356 int length = (tcph->doff*4) - sizeof(struct tcphdr); in tcp_options()
361 ptr = skb_header_pointer(skb, dataoff + sizeof(struct tcphdr), in tcp_options()
407 const struct tcphdr *tcph, __u32 *sack) in tcp_sack()
409 unsigned char buff[(15 * 4) - sizeof(struct tcphdr)]; in tcp_sack()
411 int length = (tcph->doff*4) - sizeof(struct tcphdr); in tcp_sack()
417 ptr = skb_header_pointer(skb, dataoff + sizeof(struct tcphdr), in tcp_sack()
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| /Linux-v4.19/include/net/netfilter/ |
| D | nf_conntrack_synproxy.h | 74 struct tcphdr;
77 const struct tcphdr *th,
80 void synproxy_build_options(struct tcphdr *th,
88 struct tcphdr *th, struct nf_conn *ct,
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| /Linux-v4.19/include/net/netfilter/ipv4/ |
| D | nf_reject.h | 12 const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb,
13 struct tcphdr *_oth, int hook);
18 const struct tcphdr *oth);
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| /Linux-v4.19/include/net/netfilter/ipv6/ |
| D | nf_reject.h | 12 const struct tcphdr *nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb,
13 struct tcphdr *otcph,
20 const struct tcphdr *oth, unsigned int otcplen);
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| /Linux-v4.19/tools/testing/selftests/bpf/ |
| D | test_pkt_access.c | 29 struct tcphdr *tcp = NULL; in process()
43 tcp = (struct tcphdr *)((void *)(iph) + ihl_len); in process()
51 tcp = (struct tcphdr *)((void *)(ip6h) + ihl_len); in process()
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| /Linux-v4.19/net/ipv4/ |
| D | tcp_offload.c | 38 if (!pskb_may_pull(skb, sizeof(struct tcphdr))) in tcp4_gso_segment()
43 struct tcphdr *th = tcp_hdr(skb); in tcp4_gso_segment()
62 struct tcphdr *th; in tcp_gso_segment()
187 struct tcphdr *th; in tcp_gro_receive()
188 struct tcphdr *th2; in tcp_gro_receive()
293 struct tcphdr *th = tcp_hdr(skb); in tcp_gro_complete()
296 skb->csum_offset = offsetof(struct tcphdr, check); in tcp_gro_complete()
324 struct tcphdr *th = tcp_hdr(skb); in tcp4_gro_complete()
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| D | tcp_ipv4.c | 92 __be32 daddr, __be32 saddr, const struct tcphdr *th);
429 struct tcphdr *th = (struct tcphdr *)(icmp_skb->data + (iph->ihl << 2)); in tcp_v4_err()
620 struct tcphdr *th = tcp_hdr(skb); in __tcp_v4_send_check()
624 skb->csum_offset = offsetof(struct tcphdr, check); in __tcp_v4_send_check()
651 const struct tcphdr *th = tcp_hdr(skb); in tcp_v4_send_reset()
653 struct tcphdr th; in tcp_v4_send_reset()
683 rep.th.doff = sizeof(struct tcphdr) / 4; in tcp_v4_send_reset()
751 arg.csumoffset = offsetof(struct tcphdr, check) / 2; in tcp_v4_send_reset()
800 const struct tcphdr *th = tcp_hdr(skb); in tcp_v4_send_ack()
802 struct tcphdr th; in tcp_v4_send_ack()
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| /Linux-v4.19/net/ipv6/ |
| D | tcpv6_offload.c | 35 struct tcphdr *th = tcp_hdr(skb); in tcp6_gro_complete()
47 struct tcphdr *th; in tcp6_gso_segment()
57 struct tcphdr *th = tcp_hdr(skb); in tcp6_gso_segment()
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| D | tcp_ipv6.c | 294 tp->rx_opt.mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) - sizeof(struct ipv6hdr); in tcp_v6_connect()
356 const struct tcphdr *th = (struct tcphdr *)(skb->data+offset); in tcp_v6_err()
584 const struct tcphdr *th, int nbytes) in tcp_v6_md5_hash_headers()
588 struct tcphdr *_th; in tcp_v6_md5_hash_headers()
597 _th = (struct tcphdr *)(bp + 1); in tcp_v6_md5_hash_headers()
609 const struct tcphdr *th) in tcp_v6_md5_hash_hdr()
647 const struct tcphdr *th = tcp_hdr(skb); in tcp_v6_md5_hash_skb()
695 const struct tcphdr *th = tcp_hdr(skb); in tcp_v6_inbound_md5_hash()
776 .mss_clamp = IPV6_MIN_MTU - sizeof(struct tcphdr) -
797 const struct tcphdr *th = tcp_hdr(skb); in tcp_v6_send_response()
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| /Linux-v4.19/net/bridge/netfilter/ |
| D | nft_reject_bridge.c | 73 const struct tcphdr *oth; in nft_reject_br_send_v4_tcp_reset()
74 struct tcphdr _oth; in nft_reject_br_send_v4_tcp_reset()
83 nskb = alloc_skb(sizeof(struct iphdr) + sizeof(struct tcphdr) + in nft_reject_br_send_v4_tcp_reset()
190 const struct tcphdr *oth; in nft_reject_br_send_v6_tcp_reset()
191 struct tcphdr _oth; in nft_reject_br_send_v6_tcp_reset()
202 nskb = alloc_skb(sizeof(struct ipv6hdr) + sizeof(struct tcphdr) + in nft_reject_br_send_v6_tcp_reset()
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| /Linux-v4.19/net/ipv6/ila/ |
| D | ila_common.c | 83 if (likely(pskb_may_pull(skb, nhoff + sizeof(struct tcphdr)))) { in ila_csum_adjust_transport()
84 struct tcphdr *th = (struct tcphdr *) in ila_csum_adjust_transport()
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