| /linux-6.12.1/tools/testing/selftests/bpf/progs/ |
| D | cgroup_tcp_skb.c | 25 int needed_tcp_pkt(struct __sk_buff *skb, struct tcphdr *tcph) in needed_tcp_pkt()
48 static int egress_accept(struct tcphdr *tcph) in egress_accept()
61 static int ingress_accept(struct tcphdr *tcph) in ingress_accept()
84 static int egress_connect(struct tcphdr *tcph) in egress_connect()
97 static int ingress_connect(struct tcphdr *tcph) in ingress_connect()
111 static int egress_close_remote(struct tcphdr *tcph) in egress_close_remote()
135 static int ingress_close_remote(struct tcphdr *tcph) in ingress_close_remote()
156 static int egress_close_local(struct tcphdr *tcph) in egress_close_local()
176 static int ingress_close_local(struct tcphdr *tcph) in ingress_close_local()
208 struct tcphdr tcph; in server_egress()
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| D | test_parse_tcp_hdr_opt_dynptr.c | 77 __u8 buffer[sizeof(struct tcphdr)] = {}; in xdp_ingress_v6()
79 struct tcphdr *tcp_hdr; in xdp_ingress_v6()
94 tcp_hdr_opt_len = (tcp_hdr->doff * 4) - sizeof(struct tcphdr); in xdp_ingress_v6()
100 off += sizeof(struct tcphdr); in xdp_ingress_v6()
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| D | test_parse_tcp_hdr_opt.c | 88 struct tcphdr *tcp_hdr; in xdp_ingress_v6()
93 tcp_hdr = (struct tcphdr *)(data + tcp_offset); in xdp_ingress_v6()
97 tcp_hdr_opt_len = (tcp_hdr->doff * 4) - sizeof(struct tcphdr); in xdp_ingress_v6()
102 opt_state.byte_offset = sizeof(struct tcphdr) + tcp_offset; in xdp_ingress_v6()
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| D | test_tcpbpf_kern.c | 34 char header[sizeof(struct ipv6hdr) + sizeof(struct tcphdr)]; in bpf_testcb()
36 struct tcphdr *thdr; in bpf_testcb()
108 sizeof(struct tcphdr))); in bpf_testcb()
112 thdr = (struct tcphdr *)(header + offset); in bpf_testcb()
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| D | test_pkt_access.c | 89 struct tcphdr *tcp = NULL; in test_pkt_write_access_subprog()
108 struct tcphdr *tcp = NULL; in test_pkt_access()
122 tcp = (struct tcphdr *)((void *)(iph) + ihl_len); in test_pkt_access()
130 tcp = (struct tcphdr *)((void *)(ip6h) + ihl_len); in test_pkt_access()
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| D | test_assign_reuse.c | 20 struct tcphdr tcp;
81 maybe_assign_tcp(struct __sk_buff *skb, struct tcphdr *th) in maybe_assign_tcp()
124 return maybe_assign_tcp(skb, (struct tcphdr *)(iph + 1)); in tc_main()
136 return maybe_assign_tcp(skb, (struct tcphdr *)(ip6h + 1)); in tc_main()
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| D | cgroup_skb_sk_lookup_kern.c | 31 const struct tcphdr *tcph) in set_tuple()
41 const struct tcphdr *tcph) in is_allowed_peer_cg()
70 struct tcphdr tcph; in ingress_lookup()
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| D | test_migrate_reuseport.c | 50 struct tcphdr *tcp = NULL; in drop_ack()
65 tcp = (struct tcphdr *)((void *)ip + ip->ihl * 4); in drop_ack()
77 tcp = (struct tcphdr *)(ipv6 + 1); in drop_ack()
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| D | test_misc_tcp_hdr_options.c | 36 struct tcphdr th; in __check_active_hdr_in()
43 struct tcphdr *pth; in __check_active_hdr_in()
111 pth = (struct tcphdr *)(&hdr.ip6 + 1); in __check_active_hdr_in()
132 struct tcphdr *th; in check_active_hdr_in()
175 struct tcphdr *th; in write_active_opt()
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| /linux-6.12.1/net/ipv4/netfilter/ |
| D | nf_reject_ipv4.c | 44 const struct tcphdr *oth; in nf_reject_skb_v4_tcp_reset()
47 struct tcphdr _oth; in nf_reject_skb_v4_tcp_reset()
56 nskb = alloc_skb(sizeof(struct iphdr) + sizeof(struct tcphdr) + in nf_reject_skb_v4_tcp_reset()
139 const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb, in nf_reject_ip_tcphdr_get()
140 struct tcphdr *_oth, int hook) in nf_reject_ip_tcphdr_get()
142 const struct tcphdr *oth; in nf_reject_ip_tcphdr_get()
152 sizeof(struct tcphdr), _oth); in nf_reject_ip_tcphdr_get()
194 const struct tcphdr *oth) in nf_reject_ip_tcphdr_put()
197 struct tcphdr *tcph; in nf_reject_ip_tcphdr_put()
200 tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); in nf_reject_ip_tcphdr_put()
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| /linux-6.12.1/net/ipv6/netfilter/ |
| D | nf_reject_ipv6.c | 65 const struct tcphdr *oth; in nf_reject_skb_v6_tcp_reset()
66 struct tcphdr _oth; in nf_reject_skb_v6_tcp_reset()
77 nskb = alloc_skb(sizeof(struct ipv6hdr) + sizeof(struct tcphdr) + in nf_reject_skb_v6_tcp_reset()
149 const struct tcphdr *nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb, in nf_reject_ip6_tcphdr_get()
150 struct tcphdr *otcph, in nf_reject_ip6_tcphdr_get()
170 if (proto != IPPROTO_TCP || *otcplen < sizeof(struct tcphdr)) { in nf_reject_ip6_tcphdr_get()
176 otcph = skb_header_pointer(oldskb, tcphoff, sizeof(struct tcphdr), in nf_reject_ip6_tcphdr_get()
223 const struct tcphdr *oth, unsigned int otcplen) in nf_reject_ip6_tcphdr_put()
225 struct tcphdr *tcph; in nf_reject_ip6_tcphdr_put()
228 tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); in nf_reject_ip6_tcphdr_put()
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| /linux-6.12.1/net/ipv4/ |
| D | tcp_offload.c | 35 struct tcphdr *th; in __tcpv4_gso_segment_csum()
54 const struct tcphdr *th; in __tcpv4_gso_segment_list_csum()
57 struct tcphdr *th2; in __tcpv4_gso_segment_list_csum()
101 if (!pskb_may_pull(skb, sizeof(struct tcphdr))) in tcp4_gso_segment()
105 struct tcphdr *th = tcp_hdr(skb); in tcp4_gso_segment()
115 struct tcphdr *th = tcp_hdr(skb); in tcp4_gso_segment()
134 struct tcphdr *th; in tcp_gso_segment()
257 struct sk_buff *tcp_gro_lookup(struct list_head *head, struct tcphdr *th) in tcp_gro_lookup()
259 struct tcphdr *th2; in tcp_gro_lookup()
278 struct tcphdr *tcp_gro_pull_header(struct sk_buff *skb) in tcp_gro_pull_header()
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| /linux-6.12.1/net/ipv6/ |
| D | tcpv6_offload.c | 18 struct tcphdr *th) in tcp6_check_fraglist_gro()
52 struct tcphdr *th; in tcp6_gro_receive()
77 struct tcphdr *th = tcp_hdr(skb); in tcp6_gro_complete()
99 struct tcphdr *th; in __tcpv6_gso_segment_csum()
111 const struct tcphdr *th; in __tcpv6_gso_segment_list_csum()
114 struct tcphdr *th2; in __tcpv6_gso_segment_list_csum()
154 struct tcphdr *th; in tcp6_gso_segment()
163 struct tcphdr *th = tcp_hdr(skb); in tcp6_gso_segment()
173 struct tcphdr *th = tcp_hdr(skb); in tcp6_gso_segment()
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| /linux-6.12.1/net/netfilter/ |
| D | xt_TCPMSS.c | 78 struct tcphdr *tcph; in tcpmss_mangle_packet()
93 if (len < (int)sizeof(struct tcphdr)) in tcpmss_mangle_packet()
96 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpmss_mangle_packet()
99 if (len < tcp_hdrlen || tcp_hdrlen < sizeof(struct tcphdr)) in tcpmss_mangle_packet()
117 for (i = sizeof(struct tcphdr); i <= tcp_hdrlen - TCPOLEN_MSS; i += optlen(opt, i)) { 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()
177 memmove(opt + TCPOLEN_MSS, opt, len - sizeof(struct tcphdr)); in tcpmss_mangle_packet()
205 sizeof(*iph) + sizeof(struct tcphdr)); in tcpmss_tg4()
234 sizeof(*ipv6h) + sizeof(struct tcphdr)); in tcpmss_tg6()
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| D | nfnetlink_osf.c | 165 static const struct tcphdr *nf_osf_hdr_ctx_init(struct nf_osf_hdr_ctx *ctx, in nf_osf_hdr_ctx_init()
169 struct tcphdr *_tcph) in nf_osf_hdr_ctx_init()
171 const struct tcphdr *tcp; in nf_osf_hdr_ctx_init()
173 tcp = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(struct tcphdr), _tcph); 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()
188 sizeof(struct tcphdr), ctx->optsize, opts); in nf_osf_hdr_ctx_init()
209 const struct tcphdr *tcp; in nf_osf_match()
210 struct tcphdr _tcph; in nf_osf_match()
270 const struct tcphdr *tcp; in nf_osf_find()
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| D | nf_synproxy_core.c | 29 const struct tcphdr *th, struct synproxy_options *opts) in synproxy_parse_options()
115 synproxy_build_options(struct tcphdr *th, const struct synproxy_options *opts) in synproxy_build_options()
186 struct tcphdr *th, struct nf_conn *ct, in synproxy_tstamp_adjust()
196 optoff = protoff + sizeof(struct tcphdr); in synproxy_tstamp_adjust()
421 struct iphdr *niph, struct tcphdr *nth, in synproxy_send_tcp()
427 nskb->csum_offset = offsetof(struct tcphdr, check); in synproxy_send_tcp()
448 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_client_synack()
453 struct tcphdr *nth; in synproxy_send_client_synack()
491 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_server_syn()
497 struct tcphdr *nth; in synproxy_send_server_syn()
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| D | xt_TCPOPTSTRIP.c | 34 struct tcphdr *tcph, _th; in tcpoptstrip_mangle_packet()
49 if (tcp_hdrlen < sizeof(struct tcphdr)) in tcpoptstrip_mangle_packet()
56 tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); in tcpoptstrip_mangle_packet()
63 for (i = sizeof(struct tcphdr); i < tcp_hdrlen - 1; i += optl) { in tcpoptstrip_mangle_packet()
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| D | nft_synproxy.c | 24 const struct tcphdr *tcp, in nft_synproxy_tcp_options()
47 const struct tcphdr *tcp, in nft_synproxy_eval_v4()
48 struct tcphdr *_tcph, in nft_synproxy_eval_v4()
78 const struct tcphdr *tcp, in nft_synproxy_eval_v6()
79 struct tcphdr *_tcph, in nft_synproxy_eval_v6()
113 const struct tcphdr *tcp; in nft_synproxy_do_eval()
114 struct tcphdr _tcph; in nft_synproxy_do_eval()
127 sizeof(struct tcphdr), in nft_synproxy_do_eval()
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| D | nf_conntrack_seqadj.c | 64 const struct tcphdr *th; in nf_ct_tcp_seqadj_set()
69 th = (struct tcphdr *)(skb_network_header(skb) + ip_hdrlen(skb)); in nf_ct_tcp_seqadj_set()
76 struct tcphdr *tcph, in nf_ct_sack_block_adjust()
122 struct tcphdr *tcph = (void *)skb->data + protoff; in nf_ct_sack_adjust()
126 optoff = protoff + sizeof(struct tcphdr); in nf_ct_sack_adjust()
169 struct tcphdr *tcph; in nf_ct_seq_adjust()
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| /linux-6.12.1/include/net/netfilter/ |
| D | nf_synproxy.h | 46 const struct tcphdr *th,
53 const struct tcphdr *th,
58 const struct tcphdr *th,
71 const struct tcphdr *th,
75 const struct tcphdr *th,
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| /linux-6.12.1/tools/testing/selftests/net/ |
| D | gro.c | 69 #define TOTAL_HDR_LEN (ETH_HLEN + sizeof(struct ipv6hdr) + sizeof(struct tcphdr))
70 #define MSS (4096 - sizeof(struct tcphdr) - sizeof(struct ipv6hdr))
71 #define MAX_PAYLOAD (IP_MAXPACKET - sizeof(struct tcphdr) - sizeof(struct ipv6hdr))
73 #define MAX_HDR_LEN (ETH_HLEN + sizeof(struct ipv6hdr) + sizeof(struct tcphdr))
111 const int dport_off = tcp_offset + offsetof(struct tcphdr, dest); in setup_sock_filter()
213 ph6.payload_len = htons(sizeof(struct tcphdr) + payload_len); in tcp_checksum()
222 ph4.payload_len = htons(sizeof(struct tcphdr) + payload_len); in tcp_checksum()
227 return checksum_fold(buf, sizeof(struct tcphdr) + payload_len, sum); in tcp_checksum()
256 ip6h->payload_len = htons(sizeof(struct tcphdr) + payload_len); in fill_networklayer()
270 iph->tot_len = htons(sizeof(struct tcphdr) + in fill_networklayer()
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| /linux-6.12.1/include/net/netfilter/ipv4/ |
| D | nf_reject.h | 13 const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb,
14 struct tcphdr *_oth, int hook);
19 const struct tcphdr *oth);
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| /linux-6.12.1/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-6.12.1/include/net/ |
| D | ip6_checksum.h | 58 struct tcphdr *th = tcp_hdr(skb); in __tcp_v6_send_check()
62 skb->csum_offset = offsetof(struct tcphdr, check); in __tcp_v6_send_check()
68 struct tcphdr *th = tcp_hdr(skb); in tcp_v6_gso_csum_prep()
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| /linux-6.12.1/include/linux/ |
| D | netfilter_ipv6.h | 52 const struct tcphdr *th, u16 *mssp);
54 const struct tcphdr *th);
165 const struct tcphdr *th, in nf_ipv6_cookie_init_sequence()
182 const struct tcphdr *th) in nf_cookie_v6_check()
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