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Searched refs:ip6h (Results 1 – 25 of 85) sorted by relevance

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/linux/include/net/netfilter/
H A Dnf_queue.h64 static inline u32 hash_v6(const struct ipv6hdr *ip6h, u32 initval) in hash_v6() argument
68 if ((__force u32)ip6h->saddr.s6_addr32[3] < in hash_v6()
69 (__force u32)ip6h->daddr.s6_addr32[3]) { in hash_v6()
70 a = (__force u32) ip6h->saddr.s6_addr32[3]; in hash_v6()
71 b = (__force u32) ip6h->daddr.s6_addr32[3]; in hash_v6()
73 b = (__force u32) ip6h->saddr.s6_addr32[3]; in hash_v6()
74 a = (__force u32) ip6h->daddr.s6_addr32[3]; in hash_v6()
77 if ((__force u32)ip6h->saddr.s6_addr32[1] < in hash_v6()
78 (__force u32)ip6h->daddr.s6_addr32[1]) in hash_v6()
79 c = (__force u32) ip6h->saddr.s6_addr32[1]; in hash_v6()
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/linux/samples/bpf/
H A Dxdp_tx_iptunnel_kern.c159 struct ipv6hdr *ip6h = data + sizeof(struct ethhdr); in handle_ipv6() local
164 if (ip6h + 1 > data_end) in handle_ipv6()
167 dport = get_dport(ip6h + 1, data_end, ip6h->nexthdr); in handle_ipv6()
171 vip.protocol = ip6h->nexthdr; in handle_ipv6()
173 memcpy(vip.daddr.v6, ip6h->daddr.s6_addr32, sizeof(vip.daddr)); in handle_ipv6()
175 payload_len = ip6h->payload_len; in handle_ipv6()
191 ip6h = data + sizeof(*new_eth); in handle_ipv6()
192 old_eth = data + sizeof(*ip6h); in handle_ipv6()
196 ip6h + 1 > data_end) in handle_ipv6()
201 ip6h->version = 6; in handle_ipv6()
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H A Dxdp_fwd_kern.c49 struct ipv6hdr *ip6h; in xdp_fwd_flags() local
83 ip6h = data + nh_off; in xdp_fwd_flags()
84 if (ip6h + 1 > data_end) in xdp_fwd_flags()
87 if (ip6h->hop_limit <= 1) in xdp_fwd_flags()
91 fib_params.flowinfo = *(__be32 *)ip6h & IPV6_FLOWINFO_MASK; in xdp_fwd_flags()
92 fib_params.l4_protocol = ip6h->nexthdr; in xdp_fwd_flags()
95 fib_params.tot_len = ntohs(ip6h->payload_len); in xdp_fwd_flags()
96 *src = ip6h->saddr; in xdp_fwd_flags()
97 *dst = ip6h->daddr; in xdp_fwd_flags()
136 ip6h->hop_limit--; in xdp_fwd_flags()
H A Dparse_varlen.c80 struct ipv6hdr *ip6h; in parse_ipv6() local
85 ip6h = data + nh_off; in parse_ipv6()
86 if (ip6h + 1 > data_end) in parse_ipv6()
89 nexthdr = ip6h->nexthdr; in parse_ipv6()
98 ip6h = data + nh_off + ihl_len; in parse_ipv6()
99 if (ip6h + 1 > data_end) in parse_ipv6()
102 nexthdr = ip6h->nexthdr; in parse_ipv6()
/linux/tools/testing/selftests/bpf/progs/
H A Dtest_xdp.c159 struct ipv6hdr *ip6h = data + sizeof(struct ethhdr); in handle_ipv6() local
164 if (ip6h + 1 > data_end) in handle_ipv6()
167 dport = get_dport(ip6h + 1, data_end, ip6h->nexthdr); in handle_ipv6()
171 vip.protocol = ip6h->nexthdr; in handle_ipv6()
173 memcpy(vip.daddr.v6, ip6h->daddr.s6_addr32, sizeof(vip.daddr)); in handle_ipv6()
175 payload_len = ip6h->payload_len; in handle_ipv6()
189 ip6h = data + sizeof(*new_eth); in handle_ipv6()
190 old_eth = data + sizeof(*ip6h); in handle_ipv6()
193 ip6h + 1 > data_end) in handle_ipv6()
198 ip6h->version = 6; in handle_ipv6()
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H A Dtest_xdp_loop.c155 struct ipv6hdr *ip6h = data + sizeof(struct ethhdr); in handle_ipv6() local
160 if (ip6h + 1 > data_end) in handle_ipv6()
163 dport = get_dport(ip6h + 1, data_end, ip6h->nexthdr); in handle_ipv6()
167 vip.protocol = ip6h->nexthdr; in handle_ipv6()
169 memcpy(vip.daddr.v6, ip6h->daddr.s6_addr32, sizeof(vip.daddr)); in handle_ipv6()
171 payload_len = ip6h->payload_len; in handle_ipv6()
185 ip6h = data + sizeof(*new_eth); in handle_ipv6()
186 old_eth = data + sizeof(*ip6h); in handle_ipv6()
189 ip6h + 1 > data_end) in handle_ipv6()
194 ip6h->version = 6; in handle_ipv6()
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H A Dcgroup_skb_sk_lookup_kern.c30 const struct ipv6hdr *ip6h, in set_tuple() argument
33 set_ip(tuple->ipv6.saddr, &ip6h->daddr); in set_tuple()
34 set_ip(tuple->ipv6.daddr, &ip6h->saddr); in set_tuple()
40 const struct ipv6hdr *ip6h, in is_allowed_peer_cg() argument
48 set_tuple(&tuple, ip6h, tcph); in is_allowed_peer_cg()
69 struct ipv6hdr ip6h; in ingress_lookup() local
79 if (bpf_skb_load_bytes(skb, 0, &ip6h, sizeof(ip6h))) in ingress_lookup()
82 if (ip6h.nexthdr != IPPROTO_TCP) in ingress_lookup()
85 if (bpf_skb_load_bytes(skb, sizeof(ip6h), &tcph, sizeof(tcph))) in ingress_lookup()
94 return is_allowed_peer_cg(skb, &ip6h, &tcph); in ingress_lookup()
H A Dtest_xdp_dynptr.c168 struct ipv6hdr *ip6h; in handle_ipv6() local
178 ip6h = bpf_dynptr_slice(xdp_ptr, ethhdr_sz, ip6h_buffer_udp, sizeof(ip6h_buffer_udp)); in handle_ipv6()
180 ip6h = bpf_dynptr_slice(xdp_ptr, ethhdr_sz, ip6h_buffer_tcp, sizeof(ip6h_buffer_tcp)); in handle_ipv6()
182 if (!ip6h) in handle_ipv6()
185 dport = get_dport(ip6h + 1, ip6h->nexthdr); in handle_ipv6()
189 vip.protocol = ip6h->nexthdr; in handle_ipv6()
191 memcpy(vip.daddr.v6, ip6h->daddr.s6_addr32, sizeof(vip.daddr)); in handle_ipv6()
193 payload_len = ip6h->payload_len; in handle_ipv6()
208 ip6h = (struct ipv6hdr *)(new_eth + 1); in handle_ipv6()
209 old_eth = (struct ethhdr *)(ip6h + 1); in handle_ipv6()
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H A Dicmp_send.c26 struct ipv6hdr *ip6h; in egress() local
48 ip6h = data; in egress()
49 if ((void *)(ip6h + 1) > data_end || in egress()
50 ip6h->nexthdr != IPPROTO_TCP) in egress()
53 if (ip6h->daddr.in6_u.u6_addr32[0] != 0 || in egress()
54 ip6h->daddr.in6_u.u6_addr32[1] != 0 || in egress()
55 ip6h->daddr.in6_u.u6_addr32[2] != 0 || in egress()
56 ip6h->daddr.in6_u.u6_addr32[3] != bpf_htonl(SERVER_IP6_LO)) in egress()
59 tcph = (void *)(ip6h + 1); in egress()
H A Dtest_xdp_noinline.c285 struct ipv6hdr *ip6h; in encap_v6() local
295 ip6h = data + sizeof(struct eth_hdr); in encap_v6()
298 old_eth + 1 > data_end || ip6h + 1 > data_end) in encap_v6()
303 ip6h->version = 6; in encap_v6()
304 ip6h->priority = 0; in encap_v6()
305 memset(ip6h->flow_lbl, 0, sizeof(ip6h->flow_lbl)); in encap_v6()
307 ip6h->nexthdr = IPPROTO_IPV6; in encap_v6()
309 ip6h->payload_len = in encap_v6()
311 ip6h->hop_limit = 4; in encap_v6()
313 ip6h->saddr.in6_u.u6_addr32[0] = 1; in encap_v6()
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H A Ddecap_sanity.c35 struct ipv6hdr ip6h; in decap_sanity() local
42 if (bpf_skb_load_bytes(skb, ETH_HLEN, &ip6h, sizeof(ip6h))) in decap_sanity()
45 if (ip6h.nexthdr != IPPROTO_UDP) in decap_sanity()
48 if (bpf_skb_load_bytes(skb, ETH_HLEN + sizeof(ip6h), &udph, sizeof(udph))) in decap_sanity()
56 err = bpf_skb_adjust_room(skb, -(s32)(ETH_HLEN + sizeof(ip6h) + sizeof(udph)), in decap_sanity()
H A Dxdp_flowtable.c114 struct ipv6hdr *ip6h = data + sizeof(*eth); in xdp_flowtable_do_lookup()
116 ports = (struct flow_ports___local *)(ip6h + 1); in xdp_flowtable_do_lookup()
120 if (ip6h->hop_limit <= 1) in xdp_flowtable_do_lookup()
124 ip6h->nexthdr)) in xdp_flowtable_do_lookup()
128 tuple.l4_protocol = ip6h->nexthdr; in xdp_flowtable_do_lookup()
129 tuple.tot_len = bpf_ntohs(ip6h->payload_len); in xdp_flowtable_do_lookup()
130 *src = ip6h->saddr; in xdp_flowtable_do_lookup()
131 *dst = ip6h->daddr; in xdp_flowtable_do_lookup()
111 struct ipv6hdr *ip6h = data + sizeof(*eth); xdp_flowtable_do_lookup() local
H A Dbpf_flow.c327 struct ipv6hdr *ip6h, _ip6h; in PROG() local
329 ip6h = bpf_flow_dissect_get_header(skb, sizeof(*ip6h), &_ip6h); in PROG()
330 if (!ip6h) in PROG()
334 memcpy(&keys->ipv6_src, &ip6h->saddr, 2*sizeof(ip6h->saddr)); in PROG()
337 keys->ip_proto = ip6h->nexthdr; in PROG()
338 keys->flow_label = ip6_flowlabel(ip6h); in PROG()
343 return parse_ipv6_proto(skb, ip6h->nexthdr); in PROG()
349 struct ipv6_opt_hdr *ip6h, _ip6h; in PROG() local
351 ip6h = bpf_flow_dissect_get_header(skb, sizeof(*ip6h), &_ip6h); in PROG()
352 if (!ip6h) in PROG()
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H A Dip_check_defrag.c30 static bool is_frag_v6(struct ipv6hdr *ip6h) in is_frag_v4()
37 return ip6h->nexthdr == NEXTHDR_FRAGMENT; in is_frag_v6()
65 struct ipv6hdr *ip6h; in handle_v4()
71 ip6h = bpf_dynptr_slice(&ptr, 0, ip6h_buf, sizeof(ip6h_buf)); in handle_v6()
72 if (!ip6h) in handle_v6()
76 if (is_frag_v6(ip6h)) { in handle_v6()
35 is_frag_v6(struct ipv6hdr * ip6h) is_frag_v6() argument
70 struct ipv6hdr *ip6h; handle_v6() local
/linux/net/ipv6/ila/
H A Dila_common.c36 static __wsum get_csum_diff(struct ipv6hdr *ip6h, struct ila_params *p) in get_csum_diff() argument
38 return get_csum_diff_iaddr(ila_a2i(&ip6h->daddr), p); in get_csum_diff()
79 struct ipv6hdr *ip6h = ipv6_hdr(skb); in ila_csum_adjust_transport() local
82 switch (ip6h->nexthdr) { in ila_csum_adjust_transport()
88 ip6h = ipv6_hdr(skb); in ila_csum_adjust_transport()
89 diff = get_csum_diff(ip6h, p); in ila_csum_adjust_transport()
100 ip6h = ipv6_hdr(skb); in ila_csum_adjust_transport()
101 diff = get_csum_diff(ip6h, p); in ila_csum_adjust_transport()
115 ip6h = ipv6_hdr(skb); in ila_csum_adjust_transport()
116 diff = get_csum_diff(ip6h, p); in ila_csum_adjust_transport()
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/linux/net/netfilter/
H A Dnf_flow_table_ip.c167 struct ipv6hdr *ip6h; in nf_flow_tuple_encap() local
202 ip6h = (struct ipv6hdr *)(skb_network_header(skb) + offset); in nf_flow_tuple_encap()
204 tuple->tun.dst_v6 = ip6h->daddr; in nf_flow_tuple_encap()
205 tuple->tun.src_v6 = ip6h->saddr; in nf_flow_tuple_encap()
342 struct ipv6hdr *ip6h; in nf_flow_ip6_tunnel_proto() local
344 if (!pskb_may_pull(skb, sizeof(*ip6h) + ctx->offset)) in nf_flow_ip6_tunnel_proto()
347 ip6h = (struct ipv6hdr *)(skb_network_header(skb) + ctx->offset); in nf_flow_ip6_tunnel_proto()
348 if (ip6h->hop_limit <= 1) in nf_flow_ip6_tunnel_proto()
351 if (ipv6_ext_hdr(ip6h->nexthdr)) in nf_flow_ip6_tunnel_proto()
354 if (ip6h->nexthdr == IPPROTO_IPV6) { in nf_flow_ip6_tunnel_proto()
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H A Dxt_HL.c68 struct ipv6hdr *ip6h; in hl_tg6() local
72 if (skb_ensure_writable(skb, sizeof(*ip6h))) in hl_tg6()
75 ip6h = ipv6_hdr(skb); in hl_tg6()
82 new_hl = ip6h->hop_limit + info->hop_limit; in hl_tg6()
87 new_hl = ip6h->hop_limit - info->hop_limit; in hl_tg6()
92 new_hl = ip6h->hop_limit; in hl_tg6()
96 ip6h->hop_limit = new_hl; in hl_tg6()
/linux/net/ipv6/
H A Dmcast_snoop.c16 const struct ipv6hdr *ip6h; in ipv6_mc_check_ip6hdr() local
18 unsigned int offset = skb_network_offset(skb) + sizeof(*ip6h); in ipv6_mc_check_ip6hdr()
23 ip6h = ipv6_hdr(skb); in ipv6_mc_check_ip6hdr()
25 if (ip6h->version != 6) in ipv6_mc_check_ip6hdr()
28 len = offset + ntohs(ip6h->payload_len); in ipv6_mc_check_ip6hdr()
39 const struct ipv6hdr *ip6h; in ipv6_mc_check_exthdrs() local
44 ip6h = ipv6_hdr(skb); in ipv6_mc_check_exthdrs()
46 if (ip6h->nexthdr != IPPROTO_HOPOPTS) in ipv6_mc_check_exthdrs()
49 nexthdr = ip6h->nexthdr; in ipv6_mc_check_exthdrs()
50 offset = skb_network_offset(skb) + sizeof(*ip6h); in ipv6_mc_check_exthdrs()
H A Dip6_udp_tunnel.c87 struct ipv6hdr *ip6h; in udp_tunnel6_xmit_skb() local
102 __skb_push(skb, sizeof(*ip6h)); in udp_tunnel6_xmit_skb()
104 ip6h = ipv6_hdr(skb); in udp_tunnel6_xmit_skb()
105 ip6_flow_hdr(ip6h, prio, label); in udp_tunnel6_xmit_skb()
106 ip6h->payload_len = htons(skb->len); in udp_tunnel6_xmit_skb()
107 ip6h->nexthdr = IPPROTO_UDP; in udp_tunnel6_xmit_skb()
108 ip6h->hop_limit = ttl; in udp_tunnel6_xmit_skb()
109 ip6h->daddr = *daddr; in udp_tunnel6_xmit_skb()
110 ip6h->saddr = *saddr; in udp_tunnel6_xmit_skb()
H A Dndisc_snoop.c11 const struct ipv6hdr *ip6h; in ndisc_check_ip6hdr() local
14 offset = skb_network_offset(skb) + sizeof(*ip6h); in ndisc_check_ip6hdr()
18 ip6h = ipv6_hdr(skb); in ndisc_check_ip6hdr()
20 if (ip6h->version != 6) in ndisc_check_ip6hdr()
23 if (ip6h->nexthdr != IPPROTO_ICMPV6) in ndisc_check_ip6hdr()
27 if (ip6h->hop_limit != 255) in ndisc_check_ip6hdr()
30 len = offset + ntohs(ip6h->payload_len); in ndisc_check_ip6hdr()
/linux/net/ipv6/netfilter/
H A Dnf_reject_ipv6.c31 const struct ipv6hdr *ip6h = ipv6_hdr(skb); in nf_reject_v6_csum_ok() local
34 u8 proto = ip6h->nexthdr; in nf_reject_v6_csum_ok()
39 if (ip6h->payload_len && in nf_reject_v6_csum_ok()
40 pskb_trim_rcsum(skb, ntohs(ip6h->payload_len) + sizeof(*ip6h))) in nf_reject_v6_csum_ok()
43 ip6h = ipv6_hdr(skb); in nf_reject_v6_csum_ok()
44 thoff = ipv6_skip_exthdr(skb, ((u8*)(ip6h+1) - skb->data), &proto, &fo); in nf_reject_v6_csum_ok()
110 const struct ipv6hdr *ip6h = ipv6_hdr(skb); in nf_skb_is_icmp6_unreach() local
111 u8 proto = ip6h->nexthdr; in nf_skb_is_icmp6_unreach()
116 thoff = ipv6_skip_exthdr(skb, ((u8 *)(ip6h + 1) - skb->data), &proto, &fo); in nf_skb_is_icmp6_unreach()
246 struct ipv6hdr *ip6h; in nf_reject_ip6hdr_put() local
[all …]
/linux/lib/tests/
H A Dblackhole_dev_kunit.c29 struct ipv6hdr *ip6h; in test_blackholedev() local
52 ip6h = (struct ipv6hdr *)skb_push(skb, sizeof(struct ipv6hdr)); in test_blackholedev()
54 ip6h->hop_limit = 32; in test_blackholedev()
55 ip6h->payload_len = htons(data_len + sizeof(struct udphdr)); in test_blackholedev()
56 ip6h->nexthdr = IPPROTO_UDP; in test_blackholedev()
57 ip6h->saddr = in6addr_loopback; in test_blackholedev()
58 ip6h->daddr = in6addr_loopback; in test_blackholedev()
/linux/tools/testing/selftests/net/
H A Dskf_net_off.c122 struct ipv6hdr ip6h = {0}; in tun_write() local
135 ip6h.version = 6; in tun_write()
136 ip6h.payload_len = htons(sizeof(uh) + sizeof(uint32_t)); in tun_write()
137 ip6h.nexthdr = IPPROTO_UDP; in tun_write()
138 ip6h.hop_limit = 8; in tun_write()
139 if (inet_pton(AF_INET6, "fdab::2", &ip6h.saddr) != 1) in tun_write()
141 if (inet_pton(AF_INET6, "fdab::1", &ip6h.daddr) != 1) in tun_write()
146 uh.len = ip6h.payload_len; in tun_write()
155 iov[2].iov_base = &ip6h; in tun_write()
156 iov[2].iov_len = sizeof(ip6h); in tun_write()
/linux/drivers/infiniband/core/
H A Dlag.c14 struct ipv6hdr *ip6h; in rdma_build_skb() local
58 ip6h = ipv6_hdr(skb); in rdma_build_skb()
59 ip6h->version = 6; in rdma_build_skb()
60 ip6h->nexthdr = IPPROTO_UDP; in rdma_build_skb()
61 memcpy(&ip6h->flow_lbl, &ah_attr->grh.flow_label, in rdma_build_skb()
62 sizeof(*ip6h->flow_lbl)); in rdma_build_skb()
63 memcpy(&ip6h->saddr, ah_attr->grh.sgid_attr->gid.raw, in rdma_build_skb()
65 memcpy(&ip6h->daddr, ah_attr->grh.dgid.raw, in rdma_build_skb()
/linux/net/sched/
H A Dact_csum.c188 const struct ipv6hdr *ip6h; in tcf_csum_ipv6_icmp() local
194 ip6h = ipv6_hdr(skb); in tcf_csum_ipv6_icmp()
197 icmp6h->icmp6_cksum = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, in tcf_csum_ipv6_icmp()
234 const struct ipv6hdr *ip6h; in tcf_csum_ipv6_tcp() local
243 ip6h = ipv6_hdr(skb); in tcf_csum_ipv6_tcp()
246 tcph->check = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, in tcf_csum_ipv6_tcp()
317 const struct ipv6hdr *ip6h; in tcf_csum_ipv6_udp() local
336 ip6h = ipv6_hdr(skb); in tcf_csum_ipv6_udp()
357 udph->check = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, ul, in tcf_csum_ipv6_udp()
490 struct ipv6hdr *ip6h; in tcf_csum_ipv6() local
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