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Searched refs:nhoff (Results 1 – 25 of 51) sorted by relevance

123

/linux/samples/bpf/
A Dsockex2_kern.c79 nhoff += 20; in parse_ip()
83 return nhoff; in parse_ip()
97 return nhoff; in parse_ipv6()
121 nhoff = parse_ip(skb, nhoff, &ip_proto, flow); in flow_dissector()
123 nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow); in flow_dissector()
143 nhoff += 4; in flow_dissector()
145 nhoff += 4; in flow_dissector()
159 nhoff = parse_ip(skb, nhoff, &ip_proto, flow); in flow_dissector()
161 nhoff = parse_ipv6(skb, nhoff, &ip_proto, flow); in flow_dissector()
167 nhoff = parse_ip(skb, nhoff, &ip_proto, flow); in flow_dissector()
[all …]
A Dsockex3_kern.c162 nhoff += 4; in parse_ip_proto()
164 nhoff += 4; in parse_ip_proto()
166 nhoff += 4; in parse_ip_proto()
168 nhoff += 4; in parse_ip_proto()
200 nhoff = skb->cb[0]; in PROG()
215 skb->cb[0] = nhoff; in PROG()
228 nhoff = skb->cb[0]; in PROG()
238 skb->cb[0] = nhoff; in PROG()
245 __u32 nhoff, proto; in PROG() local
247 nhoff = skb->cb[0]; in PROG()
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A Dparse_ldabs.c21 static inline int ip_is_fragment(struct __sk_buff *ctx, __u64 nhoff) in ip_is_fragment() argument
23 return load_half(ctx, nhoff + offsetof(struct iphdr, frag_off)) in ip_is_fragment()
/linux/net/netfilter/
A Dxt_HMARK.c141 nhoff += protoff; in hmark_set_tuple_ports()
170 unsigned int nhoff = 0; in hmark_pkt_set_htuple_ipv6() local
175 nexthdr = ipv6_find_hdr(skb, &nhoff, -1, &fragoff, &flag); in hmark_pkt_set_htuple_ipv6()
182 if (get_inner6_hdr(skb, &nhoff)) { in hmark_pkt_set_htuple_ipv6()
183 ip6 = skb_header_pointer(skb, nhoff, sizeof(_ip6), &_ip6); in hmark_pkt_set_htuple_ipv6()
206 hmark_set_tuple_ports(skb, nhoff, t, info); in hmark_pkt_set_htuple_ipv6()
245 *nhoff += iphsz + sizeof(_ih); in get_inner_hdr()
254 int nhoff = skb_network_offset(skb); in hmark_pkt_set_htuple_ipv4() local
256 ip = (struct iphdr *) (skb->data + nhoff); in hmark_pkt_set_htuple_ipv4()
259 if (get_inner_hdr(skb, ip->ihl * 4, &nhoff)) { in hmark_pkt_set_htuple_ipv4()
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A Dnf_conntrack_core.c262 unsigned int nhoff, in nf_ct_get_tuple() argument
278 nhoff += offsetof(struct iphdr, saddr); in nf_ct_get_tuple()
282 nhoff += offsetof(struct ipv6hdr, saddr); in nf_ct_get_tuple()
289 ap = skb_header_pointer(skb, nhoff, size, _addrs); in nf_ct_get_tuple()
357 dataoff = nhoff + (iph->ihl << 2); in ipv4_get_l4proto()
363 nhoff, iph->ihl << 2, skb->len); in ipv4_get_l4proto()
374 unsigned int extoff = nhoff + sizeof(struct ipv6hdr); in ipv6_get_l4proto()
399 unsigned int nhoff, u8 pf, u8 *l4num) in get_l4proto() argument
403 return ipv4_get_l4proto(skb, nhoff, l4num); in get_l4proto()
406 return ipv6_get_l4proto(skb, nhoff, l4num); in get_l4proto()
[all …]
/linux/net/ipv6/
A Dip6_offload.c86 int nhoff; in ipv6_gso_segment() local
90 nhoff = skb_network_header(skb) - skb_mac_header(skb); in ipv6_gso_segment()
125 ipv6h = (struct ipv6hdr *)(skb_mac_header(skb) + nhoff); in ipv6_gso_segment()
131 payload_len = skb->len - nhoff - sizeof(*ipv6h); in ipv6_gso_segment()
329 skb_set_inner_network_header(skb, nhoff); in ipv6_gro_complete()
332 iph->payload_len = htons(skb->len - nhoff - sizeof(*iph)); in ipv6_gro_complete()
336 nhoff += sizeof(*iph) + ipv6_exthdrs_len(iph, &ops); in ipv6_gro_complete()
341 udp6_gro_complete, skb, nhoff); in ipv6_gro_complete()
353 return ipv6_gro_complete(skb, nhoff); in sit_gro_complete()
360 return ipv6_gro_complete(skb, nhoff); in ip6ip6_gro_complete()
[all …]
A Dudp_offload.c161 INDIRECT_CALLABLE_SCOPE int udp6_gro_complete(struct sk_buff *skb, int nhoff) in udp6_gro_complete() argument
164 struct udphdr *uh = (struct udphdr *)(skb->data + nhoff); in udp6_gro_complete()
168 uh->len = htons(skb->len - nhoff); in udp6_gro_complete()
185 uh->check = ~udp_v6_check(skb->len - nhoff, &ipv6h->saddr, in udp6_gro_complete()
188 return udp_gro_complete(skb, nhoff, udp6_lib_lookup_skb); in udp6_gro_complete()
A Dreassembly.c107 struct frag_hdr *fhdr, int nhoff, in ip6_frag_queue() argument
209 fq->nhoffset = nhoff; in ip6_frag_queue()
254 unsigned int nhoff; in ip6_frag_reasm() local
277 nhoff = fq->nhoffset; in ip6_frag_reasm()
278 skb_network_header(skb)[nhoff] = skb_transport_header(skb)[0]; in ip6_frag_reasm()
292 IP6CB(skb)->nhoff = nhoff; in ip6_frag_reasm()
352 IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb); in ipv6_frag_rcv()
382 ret = ip6_frag_queue(fq, skb, fhdr, IP6CB(skb)->nhoff, in ipv6_frag_rcv()
A Dip6_input.c249 IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr); in ip6_rcv_core()
355 unsigned int nhoff; in ip6_protocol_deliver_rcu() local
364 nhoff = IP6CB(skb)->nhoff; in ip6_protocol_deliver_rcu()
368 nexthdr = skb_network_header(skb)[nhoff]; in ip6_protocol_deliver_rcu()
445 ICMPV6_UNK_NEXTHDR, nhoff); in ip6_protocol_deliver_rcu()
A Desp6_offload.c57 int nhoff; in esp6_gro_receive() local
94 nhoff = esp6_nexthdr_esp_offset(ipv6_hdr(skb), offset); in esp6_gro_receive()
95 if (!nhoff) in esp6_gro_receive()
98 IP6CB(skb)->nhoff = nhoff; in esp6_gro_receive()
A Dxfrm6_input.c46 skb_network_header(skb)[IP6CB(skb)->nhoff] = in xfrm6_transport_finish()
165 return xfrm6_rcv_spi(skb, skb_network_header(skb)[IP6CB(skb)->nhoff], in xfrm6_rcv_tnl()
A Dexthdrs.c323 opt->nhoff = dstbuf; in ipv6_destopt_rcv()
325 opt->nhoff = opt->dst1; in ipv6_destopt_rcv()
421 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_srh_rcv()
538 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_rpl_srh_rcv()
745 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_rthdr_rcv()
1090 opt->nhoff = sizeof(struct ipv6hdr); in ipv6_parse_hopopts()
/linux/net/core/
A Dflow_dissector.c472 int nhoff, int hlen) in __skb_flow_dissect_arp() argument
876 flow_keys->nhoff = nhoff; in bpf_flow_dissect()
889 flow_keys->nhoff = clamp_t(u16, flow_keys->nhoff, nhoff, hlen); in bpf_flow_dissect()
956 nhoff += offset; in __skb_flow_dissect()
1050 nhoff += iph->ihl * 4; in __skb_flow_dissect()
1156 nhoff += sizeof(*vlan); in __skb_flow_dissect()
1200 nhoff += PPPOE_SES_HLEN; in __skb_flow_dissect()
1253 nhoff += FCOE_HEADER_LEN; in __skb_flow_dissect()
1261 nhoff, hlen); in __skb_flow_dissect()
1357 nhoff += sizeof(_fh); in __skb_flow_dissect()
[all …]
/linux/net/ipv6/ila/
A Dila_common.c77 size_t nhoff = sizeof(struct ipv6hdr); in ila_csum_adjust_transport() local
83 if (likely(pskb_may_pull(skb, nhoff + sizeof(struct tcphdr)))) { in ila_csum_adjust_transport()
85 (skb_network_header(skb) + nhoff); in ila_csum_adjust_transport()
93 if (likely(pskb_may_pull(skb, nhoff + sizeof(struct udphdr)))) { in ila_csum_adjust_transport()
95 (skb_network_header(skb) + nhoff); in ila_csum_adjust_transport()
108 nhoff + sizeof(struct icmp6hdr)))) { in ila_csum_adjust_transport()
110 (skb_network_header(skb) + nhoff); in ila_csum_adjust_transport()
/linux/tools/testing/selftests/bpf/prog_tests/
A Dflow_dissector.c29 got.nhoff, expected.nhoff, \
120 .nhoff = ETH_HLEN,
140 .nhoff = ETH_HLEN,
208 .nhoff = ETH_HLEN,
233 .nhoff = ETH_HLEN,
255 .nhoff = ETH_HLEN,
280 .nhoff = ETH_HLEN,
302 .nhoff = ETH_HLEN,
325 .nhoff = ETH_HLEN,
351 .nhoff = ETH_HLEN,
[all …]
/linux/Documentation/bpf/
A Dprog_flow_dissector.rst26 * ``nhoff`` - initial offset of the networking header
27 * ``thoff`` - initial offset of the transport header, initialized to nhoff
32 bpf_flow_keys`` fields. Input arguments ``nhoff/thoff/n_proto`` should be
54 skb->data + flow_keys->nhoff point to the first byte of L3_HEADER
55 flow_keys->thoff = nhoff
71 skb->data + flow_keys->nhoff point the to first byte of TCI
72 flow_keys->thoff = nhoff
90 skb->data + flow_keys->nhoff point the to first byte of L3_HEADER
91 flow_keys->thoff = nhoff
/linux/net/nsh/
A Dnsh.c82 int nhoff; in nsh_gso_segment() local
86 nhoff = skb->network_header - skb->mac_header; in nsh_gso_segment()
111 skb->network_header - nhoff, in nsh_gso_segment()
119 skb_set_mac_header(skb, -nhoff); in nsh_gso_segment()
/linux/net/bridge/netfilter/
A Dnf_conntrack_bridge.c206 int nhoff, len; in nf_ct_br_ip_check() local
208 nhoff = skb_network_offset(skb); in nf_ct_br_ip_check()
215 if (skb->len < nhoff + len || in nf_ct_br_ip_check()
225 int nhoff, len; in nf_ct_br_ipv6_check() local
227 nhoff = skb_network_offset(skb); in nf_ct_br_ipv6_check()
232 len = ntohs(hdr->payload_len) + sizeof(struct ipv6hdr) + nhoff; in nf_ct_br_ipv6_check()
/linux/net/ipv4/
A Dudp_offload.c634 int udp_gro_complete(struct sk_buff *skb, int nhoff, in udp_gro_complete() argument
637 __be16 newlen = htons(skb->len - nhoff); in udp_gro_complete()
638 struct udphdr *uh = (struct udphdr *)(skb->data + nhoff); in udp_gro_complete()
661 nhoff + sizeof(struct udphdr)); in udp_gro_complete()
674 INDIRECT_CALLABLE_SCOPE int udp4_gro_complete(struct sk_buff *skb, int nhoff) in udp4_gro_complete() argument
677 struct udphdr *uh = (struct udphdr *)(skb->data + nhoff); in udp4_gro_complete()
681 uh->len = htons(skb->len - nhoff); in udp4_gro_complete()
698 uh->check = ~udp_v4_check(skb->len - nhoff, iph->saddr, in udp4_gro_complete()
701 return udp_gro_complete(skb, nhoff, udp4_lib_lookup_skb); in udp4_gro_complete()
A Dgre_offload.c240 static int gre_gro_complete(struct sk_buff *skb, int nhoff) in gre_gro_complete() argument
242 struct gre_base_hdr *greh = (struct gre_base_hdr *)(skb->data + nhoff); in gre_gro_complete()
261 err = ptype->callbacks.gro_complete(skb, nhoff + grehlen); in gre_gro_complete()
265 skb_set_inner_mac_header(skb, nhoff + grehlen); in gre_gro_complete()
A Daf_inet.c1338 int nhoff; in inet_gso_segment() local
1389 iph = (struct iphdr *)(skb_mac_header(skb) + nhoff); in inet_gso_segment()
1394 offset += skb->len - nhoff - ihl; in inet_gso_segment()
1395 tot_len = skb->len - nhoff; in inet_gso_segment()
1407 tot_len = skb->len - nhoff; in inet_gso_segment()
1411 tot_len = skb->len - nhoff; in inet_gso_segment()
1605 int inet_gro_complete(struct sk_buff *skb, int nhoff) in inet_gro_complete() argument
1607 __be16 newlen = htons(skb->len - nhoff); in inet_gro_complete()
1615 skb_set_inner_network_header(skb, nhoff); in inet_gro_complete()
1632 skb, nhoff + sizeof(*iph)); in inet_gro_complete()
[all …]
A Dfou.c264 int nhoff) in fou_gro_complete() argument
277 err = ops->callbacks.gro_complete(skb, nhoff); in fou_gro_complete()
279 skb_set_inner_mac_header(skb, nhoff); in fou_gro_complete()
458 static int gue_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff) in gue_gro_complete() argument
460 struct guehdr *guehdr = (struct guehdr *)(skb->data + nhoff); in gue_gro_complete()
494 err = ops->callbacks.gro_complete(skb, nhoff + guehlen); in gue_gro_complete()
496 skb_set_inner_mac_header(skb, nhoff + guehlen); in gue_gro_complete()
/linux/net/ipv6/netfilter/
A Dnf_conntrack_reasm.c167 const struct frag_hdr *fhdr, int nhoff) in nf_ct_frag6_queue() argument
277 fq->nhoffset = nhoff; in nf_ct_frag6_queue()
441 int fhoff, nhoff, ret; in nf_ct_frag6_gather() local
453 if (find_prev_fhdr(skb, &prevhdr, &nhoff, &fhoff) < 0) in nf_ct_frag6_gather()
481 ret = nf_ct_frag6_queue(fq, skb, fhdr, nhoff); in nf_ct_frag6_gather()
/linux/net/ethernet/
A Deth.c462 int eth_gro_complete(struct sk_buff *skb, int nhoff) in eth_gro_complete() argument
464 struct ethhdr *eh = (struct ethhdr *)(skb->data + nhoff); in eth_gro_complete()
470 skb_set_inner_mac_header(skb, nhoff); in eth_gro_complete()
477 skb, nhoff + sizeof(*eh)); in eth_gro_complete()
/linux/net/8021q/
A Dvlan_core.c512 static int vlan_gro_complete(struct sk_buff *skb, int nhoff) in vlan_gro_complete() argument
514 struct vlan_hdr *vhdr = (struct vlan_hdr *)(skb->data + nhoff); in vlan_gro_complete()
524 skb, nhoff + sizeof(*vhdr)); in vlan_gro_complete()

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