/linux-6.1.9/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() [all …]
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/linux-6.1.9/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() 229 tcph = skb_put(nskb, sizeof(struct tcphdr)); in nf_reject_ip6_tcphdr_put() [all …]
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/linux-6.1.9/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-6.1.9/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() [all …]
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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() [all …]
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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 | 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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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 | xt_tcpudp.c | 41 u_int8_t _opt[60 - sizeof(struct tcphdr)]; in tcp_find_option() 50 op = skb_header_pointer(skb, protoff + sizeof(struct tcphdr), in tcp_find_option() 68 const struct tcphdr *th; in tcp_mt() 69 struct tcphdr _tcph; in tcp_mt()
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/linux-6.1.9/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)) 104 const int dport_off = tcp_offset + offsetof(struct tcphdr, dest); in setup_sock_filter() 187 ph6.payload_len = htons(sizeof(struct tcphdr) + payload_len); in tcp_checksum() 196 ph4.payload_len = htons(sizeof(struct tcphdr) + payload_len); in tcp_checksum() 201 return checksum_fold(buf, sizeof(struct tcphdr) + payload_len, sum); in tcp_checksum() 230 ip6h->payload_len = htons(sizeof(struct tcphdr) + payload_len); in fill_networklayer() 244 iph->tot_len = htons(sizeof(struct tcphdr) + in fill_networklayer() [all …]
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/linux-6.1.9/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-6.1.9/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-6.1.9/tools/testing/selftests/bpf/progs/ |
D | test_tcpbpf_kern.c | 45 char header[sizeof(struct ipv6hdr) + sizeof(struct tcphdr)]; in bpf_testcb() 47 struct tcphdr *thdr; in bpf_testcb() 121 sizeof(struct tcphdr))); in bpf_testcb() 125 thdr = (struct tcphdr *)(header + offset); in bpf_testcb()
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D | test_pkt_access.c | 84 struct tcphdr *tcp = NULL; in test_pkt_write_access_subprog() 103 struct tcphdr *tcp = NULL; in test_pkt_access() 117 tcp = (struct tcphdr *)((void *)(iph) + ihl_len); in test_pkt_access() 125 tcp = (struct tcphdr *)((void *)(ip6h) + ihl_len); in test_pkt_access()
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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() 71 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 | 35 struct tcphdr th; in __check_active_hdr_in() 42 struct tcphdr *pth; in __check_active_hdr_in() 110 pth = (struct tcphdr *)(&hdr.ip6 + 1); in __check_active_hdr_in() 131 struct tcphdr *th; in check_active_hdr_in() 171 struct tcphdr *th; in write_active_opt()
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D | skb_pkt_end.c | 11 #define ETH_IPV4_TCP_SIZE (14 + sizeof(struct iphdr) + sizeof(struct tcphdr)) 32 struct tcphdr *tcp; in main_prog()
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D | test_btf_skc_cls_ingress.c | 27 static void test_syncookie_helper(struct ipv6hdr *ip6h, struct tcphdr *th, in test_syncookie_helper() 74 struct tcphdr *th; in handle_ip6_tcp() 79 th = (struct tcphdr *)(ip6h + 1); in handle_ip6_tcp()
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/linux-6.1.9/net/ipv4/ |
D | tcp_offload.c | 36 if (!pskb_may_pull(skb, sizeof(struct tcphdr))) in tcp4_gso_segment() 41 struct tcphdr *th = tcp_hdr(skb); in tcp4_gso_segment() 60 struct tcphdr *th; in tcp_gso_segment() 185 struct tcphdr *th; in tcp_gro_receive() 186 struct tcphdr *th2; in tcp_gro_receive() 301 struct tcphdr *th = tcp_hdr(skb); in tcp_gro_complete() 304 skb->csum_offset = offsetof(struct tcphdr, check); in tcp_gro_complete() 336 struct tcphdr *th = tcp_hdr(skb); in tcp4_gro_complete()
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/linux-6.1.9/net/ipv6/ |
D | tcpv6_offload.c | 33 struct tcphdr *th = tcp_hdr(skb); in tcp6_gro_complete() 45 struct tcphdr *th; in tcp6_gso_segment() 55 struct tcphdr *th = tcp_hdr(skb); in tcp6_gso_segment()
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/linux-6.1.9/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-6.1.9/include/linux/ |
D | netfilter_ipv6.h | 52 const struct tcphdr *th, u16 *mssp); 54 const struct tcphdr *th, __u32 cookie); 165 const struct tcphdr *th, in nf_ipv6_cookie_init_sequence() 182 const struct tcphdr *th, __u32 cookie) in nf_cookie_v6_check()
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/linux-6.1.9/net/core/ |
D | selftests.c | 59 struct tcphdr *thdr = NULL; in net_test_get_skb() 68 size += sizeof(struct tcphdr); in net_test_get_skb() 105 thdr->doff = sizeof(struct tcphdr) / 4; in net_test_get_skb() 158 skb->csum_offset = offsetof(struct tcphdr, check); in net_test_get_skb() 181 struct tcphdr *thdr; in net_test_loopback_validate() 212 thdr = (struct tcphdr *)((u8 *)ihdr + 4 * ihdr->ihl); in net_test_loopback_validate()
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