/kernel/linux/linux-6.6/tools/testing/selftests/bpf/progs/ |
H A 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 tcp in server_egress() [all...] |
H A 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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H A 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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/kernel/linux/linux-5.10/net/ipv4/netfilter/ |
H A D | nf_reject_ipv4.c | 15 const struct tcphdr *nf_reject_ip_tcphdr_get(struct sk_buff *oldskb, in nf_reject_ip_tcphdr_get() 16 struct tcphdr *_oth, int hook) in nf_reject_ip_tcphdr_get() 18 const struct tcphdr *oth; in nf_reject_ip_tcphdr_get() 28 sizeof(struct tcphdr), _oth); in nf_reject_ip_tcphdr_get() 70 const struct tcphdr *oth) in nf_reject_ip_tcphdr_put() 73 struct tcphdr *tcph; in nf_reject_ip_tcphdr_put() 76 tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); in nf_reject_ip_tcphdr_put() 79 tcph->doff = sizeof(struct tcphdr) / 4; in nf_reject_ip_tcphdr_put() 91 tcph->check = ~tcp_v4_check(sizeof(struct tcphdr), niph->saddr, in nf_reject_ip_tcphdr_put() 95 nskb->csum_offset = offsetof(struct tcphdr, chec in nf_reject_ip_tcphdr_put() [all...] |
/kernel/linux/linux-6.6/net/ipv4/netfilter/ |
H A 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...] |
/kernel/linux/linux-5.10/net/ipv6/netfilter/ |
H A D | nf_reject_ipv6.c | 15 const struct tcphdr *nf_reject_ip6_tcphdr_get(struct sk_buff *oldskb, in nf_reject_ip6_tcphdr_get() 16 struct tcphdr *otcph, in nf_reject_ip6_tcphdr_get() 36 if (proto != IPPROTO_TCP || *otcplen < sizeof(struct tcphdr)) { in nf_reject_ip6_tcphdr_get() 42 otcph = skb_header_pointer(oldskb, tcphoff, sizeof(struct tcphdr), in nf_reject_ip6_tcphdr_get() 89 const struct tcphdr *oth, unsigned int otcplen) in nf_reject_ip6_tcphdr_put() 91 struct tcphdr *tcph; in nf_reject_ip6_tcphdr_put() 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() 123 sizeof(struct tcphdr), IPPROTO_TCP, in nf_reject_ip6_tcphdr_put() 125 sizeof(struct tcphdr), in nf_reject_ip6_tcphdr_put() [all...] |
/kernel/linux/linux-6.6/net/ipv6/netfilter/ |
H A 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...] |
/kernel/linux/linux-5.10/include/net/netfilter/ |
H A 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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/kernel/linux/linux-6.6/include/net/netfilter/ |
H A 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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/kernel/linux/linux-5.10/net/netfilter/ |
H A 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() [all...] |
H A 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() 444 struct iphdr *niph, struct tcphdr *nth, in synproxy_send_tcp() 450 nskb->csum_offset = offsetof(struct tcphdr, check); in synproxy_send_tcp() 471 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_client_synack() 476 struct tcphdr *nth; in synproxy_send_client_synack() 514 const struct sk_buff *skb, const struct tcphdr *th, in synproxy_send_server_syn() 520 struct tcphdr *nt in synproxy_send_server_syn() [all...] |
H A 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 *tc in nf_osf_find() [all...] |
H A D | nf_log_common.c | 57 struct tcphdr _tcph; in nf_log_dump_tcp_header() 58 const struct tcphdr *th; in nf_log_dump_tcp_header() 107 if ((logflags & NF_LOG_TCPOPT) && th->doff*4 > sizeof(struct tcphdr)) { in nf_log_dump_tcp_header() 108 u_int8_t _opt[60 - sizeof(struct tcphdr)]; in nf_log_dump_tcp_header() 111 unsigned int optsize = th->doff*4 - sizeof(struct tcphdr); in nf_log_dump_tcp_header() 113 op = skb_header_pointer(skb, offset + sizeof(struct tcphdr), in nf_log_dump_tcp_header()
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H A 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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/kernel/linux/linux-6.6/net/netfilter/ |
H A 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() [all...] |
H A 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 *nt in synproxy_send_server_syn() [all...] |
H A 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 *tc in nf_osf_find() [all...] |
H A 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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/kernel/linux/linux-6.6/tools/testing/selftests/net/ |
H A 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() 378 struct tcphdr *tcphdr = (struct tcphdr *)(buf + tcp_offset); recompute_packet() local [all...] |
/kernel/linux/linux-5.10/include/net/netfilter/ipv6/ |
H A 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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/kernel/linux/linux-5.10/include/net/netfilter/ipv4/ |
H A 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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/kernel/linux/linux-5.10/net/ipv4/ |
H A D | tcp_offload.c | 35 if (!pskb_may_pull(skb, sizeof(struct tcphdr))) in tcp4_gso_segment() 40 struct tcphdr *th = tcp_hdr(skb); in tcp4_gso_segment() 59 struct tcphdr *th; in tcp_gso_segment() 184 struct tcphdr *th; in tcp_gro_receive() 185 struct tcphdr *th2; in tcp_gro_receive() 290 struct tcphdr *th = tcp_hdr(skb); in tcp_gro_complete() 293 skb->csum_offset = offsetof(struct tcphdr, check); in tcp_gro_complete() 325 struct tcphdr *th = tcp_hdr(skb); in tcp4_gro_complete()
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/kernel/linux/linux-6.6/include/net/netfilter/ipv6/ |
H A 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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/kernel/linux/linux-6.6/include/net/netfilter/ipv4/ |
H A 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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/kernel/linux/linux-5.10/tools/testing/selftests/bpf/progs/ |
H A D | test_pkt_access.c | 87 struct tcphdr *tcp = NULL; in test_pkt_write_access_subprog() 106 struct tcphdr *tcp = NULL; in test_pkt_access() 120 tcp = (struct tcphdr *)((void *)(iph) + ihl_len); in test_pkt_access() 128 tcp = (struct tcphdr *)((void *)(ip6h) + ihl_len); in test_pkt_access()
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