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Searched refs:ip6h (Results 1 – 25 of 91) sorted by relevance

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/linux-6.12.1/include/net/netfilter/
Dnf_queue.h59 static inline u32 hash_v6(const struct ipv6hdr *ip6h, u32 initval) in hash_v6() argument
63 if ((__force u32)ip6h->saddr.s6_addr32[3] < in hash_v6()
64 (__force u32)ip6h->daddr.s6_addr32[3]) { in hash_v6()
65 a = (__force u32) ip6h->saddr.s6_addr32[3]; in hash_v6()
66 b = (__force u32) ip6h->daddr.s6_addr32[3]; in hash_v6()
68 b = (__force u32) ip6h->saddr.s6_addr32[3]; in hash_v6()
69 a = (__force u32) ip6h->daddr.s6_addr32[3]; in hash_v6()
72 if ((__force u32)ip6h->saddr.s6_addr32[1] < in hash_v6()
73 (__force u32)ip6h->daddr.s6_addr32[1]) in hash_v6()
74 c = (__force u32) ip6h->saddr.s6_addr32[1]; in hash_v6()
[all …]
Dnf_tables_ipv6.h31 struct ipv6hdr *ip6h, _ip6h; in __nft_set_pktinfo_ipv6_validate() local
37 ip6h = skb_header_pointer(pkt->skb, skb_network_offset(pkt->skb), in __nft_set_pktinfo_ipv6_validate()
38 sizeof(*ip6h), &_ip6h); in __nft_set_pktinfo_ipv6_validate()
39 if (!ip6h) in __nft_set_pktinfo_ipv6_validate()
42 if (ip6h->version != 6) in __nft_set_pktinfo_ipv6_validate()
45 pkt_len = ntohs(ip6h->payload_len); in __nft_set_pktinfo_ipv6_validate()
47 if (pkt_len + sizeof(*ip6h) > skb_len) in __nft_set_pktinfo_ipv6_validate()
78 struct ipv6hdr *ip6h; in nft_set_pktinfo_ipv6_ingress() local
82 if (!pskb_may_pull(pkt->skb, sizeof(*ip6h))) in nft_set_pktinfo_ipv6_ingress()
85 ip6h = ipv6_hdr(pkt->skb); in nft_set_pktinfo_ipv6_ingress()
[all …]
/linux-6.12.1/samples/bpf/
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()
[all …]
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()
Dtc_l2_redirect_kern.c91 struct ipv6hdr *ip6h = data + sizeof(*eth); in _l2_to_iptun_ingress_forward() local
93 if (data + sizeof(*eth) + sizeof(*ip6h) > data_end) in _l2_to_iptun_ingress_forward()
96 if (ip6h->nexthdr != IPPROTO_IPIP && in _l2_to_iptun_ingress_forward()
97 ip6h->nexthdr != IPPROTO_IPV6) in _l2_to_iptun_ingress_forward()
101 _htonl(ip6h->daddr.s6_addr32[0]), in _l2_to_iptun_ingress_forward()
102 _htonl(ip6h->daddr.s6_addr32[3])); in _l2_to_iptun_ingress_forward()
180 struct ipv6hdr *ip6h = data + sizeof(*eth); in _l2_to_ip6tun_ingress_redirect() local
182 if (data + sizeof(*eth) + sizeof(*ip6h) > data_end) in _l2_to_ip6tun_ingress_redirect()
185 if (!is_vip_addr(eth->h_proto, ip6h->daddr.s6_addr32[0])) in _l2_to_ip6tun_ingress_redirect()
189 _htonl(ip6h->daddr.s6_addr32[0]), *ifindex); in _l2_to_ip6tun_ingress_redirect()
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/linux-6.12.1/tools/testing/selftests/bpf/progs/
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()
[all …]
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()
[all …]
Dtest_btf_skc_cls_ingress.c21 static void test_syncookie_helper(struct ipv6hdr *ip6h, struct tcphdr *th, in test_syncookie_helper() argument
41 mss_cookie = bpf_tcp_gen_syncookie(tp, ip6h, sizeof(*ip6h), in test_syncookie_helper()
51 int ret = bpf_tcp_check_syncookie(tp, ip6h, sizeof(*ip6h), in test_syncookie_helper()
63 static int handle_ip6_tcp(struct ipv6hdr *ip6h, struct __sk_buff *skb) in handle_ip6_tcp() argument
73 th = (struct tcphdr *)(ip6h + 1); in handle_ip6_tcp()
82 tuple = (struct bpf_sock_tuple *)&ip6h->saddr; in handle_ip6_tcp()
129 test_syncookie_helper(ip6h, th, tp, skb); in handle_ip6_tcp()
145 struct ipv6hdr *ip6h; in cls_ingress() local
158 ip6h = (struct ipv6hdr *)(eth + 1); in cls_ingress()
159 if (ip6h + 1 > data_end) in cls_ingress()
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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()
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()
[all …]
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()
[all …]
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()
Dxdp_flowtable.c111 struct ipv6hdr *ip6h = data + sizeof(*eth); in xdp_flowtable_do_lookup() local
113 ports = (struct flow_ports___local *)(ip6h + 1); in xdp_flowtable_do_lookup()
117 if (ip6h->hop_limit <= 1) in xdp_flowtable_do_lookup()
121 ip6h->nexthdr)) in xdp_flowtable_do_lookup()
125 tuple.l4_protocol = ip6h->nexthdr; in xdp_flowtable_do_lookup()
126 tuple.tot_len = bpf_ntohs(ip6h->payload_len); in xdp_flowtable_do_lookup()
127 *src = ip6h->saddr; in xdp_flowtable_do_lookup()
128 *dst = ip6h->daddr; in xdp_flowtable_do_lookup()
Dip_check_defrag.c35 static bool is_frag_v6(struct ipv6hdr *ip6h) in is_frag_v6() argument
42 return ip6h->nexthdr == NEXTHDR_FRAGMENT; in is_frag_v6()
70 struct ipv6hdr *ip6h; in handle_v6() local
76 ip6h = bpf_dynptr_slice(&ptr, 0, ip6h_buf, sizeof(ip6h_buf)); in handle_v6()
77 if (!ip6h) in handle_v6()
81 if (is_frag_v6(ip6h)) { in handle_v6()
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()
[all …]
/linux-6.12.1/net/ipv6/
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()
Dip6_udp_tunnel.c86 struct ipv6hdr *ip6h; in udp_tunnel6_xmit_skb() local
101 __skb_push(skb, sizeof(*ip6h)); in udp_tunnel6_xmit_skb()
103 ip6h = ipv6_hdr(skb); in udp_tunnel6_xmit_skb()
104 ip6_flow_hdr(ip6h, prio, label); in udp_tunnel6_xmit_skb()
105 ip6h->payload_len = htons(skb->len); in udp_tunnel6_xmit_skb()
106 ip6h->nexthdr = IPPROTO_UDP; in udp_tunnel6_xmit_skb()
107 ip6h->hop_limit = ttl; in udp_tunnel6_xmit_skb()
108 ip6h->daddr = *daddr; in udp_tunnel6_xmit_skb()
109 ip6h->saddr = *saddr; in udp_tunnel6_xmit_skb()
/linux-6.12.1/net/netfilter/
Dnf_flow_table_ip.c478 struct ipv6hdr *ip6h) in nf_flow_nat_ipv6_tcp() argument
502 static void nf_flow_nat_ipv6_l4proto(struct sk_buff *skb, struct ipv6hdr *ip6h, in nf_flow_nat_ipv6_l4proto() argument
506 switch (ip6h->nexthdr) { in nf_flow_nat_ipv6_l4proto()
508 nf_flow_nat_ipv6_tcp(skb, thoff, addr, new_addr, ip6h); in nf_flow_nat_ipv6_l4proto()
517 struct sk_buff *skb, struct ipv6hdr *ip6h, in nf_flow_snat_ipv6() argument
525 addr = ip6h->saddr; in nf_flow_snat_ipv6()
527 ip6h->saddr = new_addr; in nf_flow_snat_ipv6()
530 addr = ip6h->daddr; in nf_flow_snat_ipv6()
532 ip6h->daddr = new_addr; in nf_flow_snat_ipv6()
536 nf_flow_nat_ipv6_l4proto(skb, ip6h, thoff, &addr, &new_addr); in nf_flow_snat_ipv6()
[all …]
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-6.12.1/net/ipv6/netfilter/
Dnf_reject_ipv6.c17 const struct ipv6hdr *ip6h = ipv6_hdr(skb); in nf_reject_v6_csum_ok() local
20 u8 proto = ip6h->nexthdr; in nf_reject_v6_csum_ok()
25 if (ip6h->payload_len && in nf_reject_v6_csum_ok()
26 pskb_trim_rcsum(skb, ntohs(ip6h->payload_len) + sizeof(*ip6h))) in nf_reject_v6_csum_ok()
29 ip6h = ipv6_hdr(skb); in nf_reject_v6_csum_ok()
30 thoff = ipv6_skip_exthdr(skb, ((u8*)(ip6h+1) - skb->data), &proto, &fo); in nf_reject_v6_csum_ok()
201 struct ipv6hdr *ip6h; in nf_reject_ip6hdr_put() local
208 ip6h = ipv6_hdr(nskb); in nf_reject_ip6hdr_put()
209 ip6_flow_hdr(ip6h, tclass, 0); in nf_reject_ip6hdr_put()
210 ip6h->hop_limit = hoplimit; in nf_reject_ip6hdr_put()
[all …]
/linux-6.12.1/lib/
Dtest_blackhole_dev.c30 struct ipv6hdr *ip6h; in test_blackholedev_init() local
55 ip6h = (struct ipv6hdr *)skb_push(skb, sizeof(struct ipv6hdr)); in test_blackholedev_init()
57 ip6h->hop_limit = 32; in test_blackholedev_init()
58 ip6h->payload_len = data_len + sizeof(struct udphdr); in test_blackholedev_init()
59 ip6h->nexthdr = IPPROTO_UDP; in test_blackholedev_init()
60 ip6h->saddr = in6addr_loopback; in test_blackholedev_init()
61 ip6h->daddr = in6addr_loopback; in test_blackholedev_init()
/linux-6.12.1/net/ipv6/ila/
Dila_common.c35 static __wsum get_csum_diff(struct ipv6hdr *ip6h, struct ila_params *p) in get_csum_diff() argument
37 return get_csum_diff_iaddr(ila_a2i(&ip6h->daddr), p); in get_csum_diff()
78 struct ipv6hdr *ip6h = ipv6_hdr(skb); in ila_csum_adjust_transport() local
81 switch (ip6h->nexthdr) { in ila_csum_adjust_transport()
87 diff = get_csum_diff(ip6h, p); in ila_csum_adjust_transport()
98 diff = get_csum_diff(ip6h, p); in ila_csum_adjust_transport()
112 diff = get_csum_diff(ip6h, p); in ila_csum_adjust_transport()
123 struct ipv6hdr *ip6h = ipv6_hdr(skb); in ila_update_ipv6_locator() local
124 struct ila_addr *iaddr = ila_a2i(&ip6h->daddr); in ila_update_ipv6_locator()
/linux-6.12.1/drivers/infiniband/core/
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-6.12.1/net/sched/
Dact_csum.c187 const struct ipv6hdr *ip6h; in tcf_csum_ipv6_icmp() local
193 ip6h = ipv6_hdr(skb); in tcf_csum_ipv6_icmp()
196 icmp6h->icmp6_cksum = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, in tcf_csum_ipv6_icmp()
233 const struct ipv6hdr *ip6h; in tcf_csum_ipv6_tcp() local
242 ip6h = ipv6_hdr(skb); in tcf_csum_ipv6_tcp()
245 tcph->check = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, in tcf_csum_ipv6_tcp()
314 const struct ipv6hdr *ip6h; in tcf_csum_ipv6_udp() local
331 ip6h = ipv6_hdr(skb); in tcf_csum_ipv6_udp()
352 udph->check = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, ul, in tcf_csum_ipv6_udp()
485 struct ipv6hdr *ip6h; in tcf_csum_ipv6() local
[all …]
/linux-6.12.1/drivers/net/ipvlan/
Dipvlan_core.c174 struct ipv6hdr *ip6h; in ipvlan_get_L3_hdr() local
176 if (unlikely(!pskb_may_pull(skb, sizeof(*ip6h)))) in ipvlan_get_L3_hdr()
179 ip6h = ipv6_hdr(skb); in ipvlan_get_L3_hdr()
180 if (ip6h->version != 6) in ipvlan_get_L3_hdr()
184 lyr3h = ip6h; in ipvlan_get_L3_hdr()
186 if (ipv6_addr_any(&ip6h->saddr) && in ipvlan_get_L3_hdr()
187 ip6h->nexthdr == NEXTHDR_ICMP) { in ipvlan_get_L3_hdr()
190 if (unlikely(!pskb_may_pull(skb, sizeof(*ip6h) + sizeof(*icmph)))) in ipvlan_get_L3_hdr()
193 ip6h = ipv6_hdr(skb); in ipvlan_get_L3_hdr()
194 icmph = (struct icmp6hdr *)(ip6h + 1); in ipvlan_get_L3_hdr()
[all …]

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