| /Linux-v4.19/samples/bpf/ |
| D | sockex2_kern.c | 45 static inline int ip_is_fragment(struct __sk_buff *ctx, __u64 nhoff) in ip_is_fragment() argument
47 return load_half(ctx, nhoff + offsetof(struct iphdr, frag_off)) in ip_is_fragment()
61 static inline __u64 parse_ip(struct __sk_buff *skb, __u64 nhoff, __u64 *ip_proto, in parse_ip() argument
66 if (unlikely(ip_is_fragment(skb, nhoff))) in parse_ip()
69 *ip_proto = load_byte(skb, nhoff + offsetof(struct iphdr, protocol)); in parse_ip()
72 flow->src = load_word(skb, nhoff + offsetof(struct iphdr, saddr)); in parse_ip()
73 flow->dst = load_word(skb, nhoff + offsetof(struct iphdr, daddr)); in parse_ip()
76 verlen = load_byte(skb, nhoff + 0/*offsetof(struct iphdr, ihl)*/); in parse_ip()
78 nhoff += 20; in parse_ip()
80 nhoff += (verlen & 0xF) << 2; in parse_ip()
[all …]
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| D | sockex3_kern.c | 74 static inline int ip_is_fragment(struct __sk_buff *ctx, __u64 nhoff) in ip_is_fragment() argument
76 return load_half(ctx, nhoff + offsetof(struct iphdr, frag_off)) in ip_is_fragment()
141 __u32 nhoff = skb->cb[0]; in parse_ip_proto() local
152 nhoff + offsetof(struct gre_hdr, flags)); in parse_ip_proto()
154 nhoff + offsetof(struct gre_hdr, proto)); in parse_ip_proto()
159 nhoff += 4; in parse_ip_proto()
161 nhoff += 4; in parse_ip_proto()
163 nhoff += 4; in parse_ip_proto()
165 nhoff += 4; in parse_ip_proto()
167 skb->cb[0] = nhoff; in parse_ip_proto()
[all …]
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| D | parse_ldabs.c | 20 static inline int ip_is_fragment(struct __sk_buff *ctx, __u64 nhoff) in ip_is_fragment() argument
22 return load_half(ctx, nhoff + offsetof(struct iphdr, frag_off)) in ip_is_fragment()
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| /Linux-v4.19/net/netfilter/ |
| D | xt_HMARK.c | 135 hmark_set_tuple_ports(const struct sk_buff *skb, unsigned int nhoff, in hmark_set_tuple_ports() argument
144 nhoff += protoff; in hmark_set_tuple_ports()
145 if (skb_copy_bits(skb, nhoff, &t->uports, sizeof(t->uports)) < 0) in hmark_set_tuple_ports()
173 unsigned int nhoff = 0; in hmark_pkt_set_htuple_ipv6() local
178 nexthdr = ipv6_find_hdr(skb, &nhoff, -1, &fragoff, &flag); in hmark_pkt_set_htuple_ipv6()
185 if (get_inner6_hdr(skb, &nhoff)) { in hmark_pkt_set_htuple_ipv6()
186 ip6 = skb_header_pointer(skb, nhoff, sizeof(_ip6), &_ip6); in hmark_pkt_set_htuple_ipv6()
191 nexthdr = ipv6_find_hdr(skb, &nhoff, -1, &fragoff, &flag); in hmark_pkt_set_htuple_ipv6()
209 hmark_set_tuple_ports(skb, nhoff, t, info); in hmark_pkt_set_htuple_ipv6()
234 static int get_inner_hdr(const struct sk_buff *skb, int iphsz, int *nhoff) in get_inner_hdr() argument
[all …]
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| D | nf_conntrack_core.c | 227 unsigned int nhoff, in nf_ct_get_tuple() argument
248 nhoff += offsetof(struct iphdr, saddr); in nf_ct_get_tuple()
252 nhoff += offsetof(struct ipv6hdr, saddr); in nf_ct_get_tuple()
259 ap = skb_header_pointer(skb, nhoff, size, _addrs); in nf_ct_get_tuple()
290 static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff, in ipv4_get_l4proto() argument
297 iph = skb_header_pointer(skb, nhoff, sizeof(_iph), &_iph); in ipv4_get_l4proto()
307 dataoff = nhoff + (iph->ihl << 2); in ipv4_get_l4proto()
313 nhoff, iph->ihl << 2, skb->len); in ipv4_get_l4proto()
320 static int ipv6_get_l4proto(const struct sk_buff *skb, unsigned int nhoff, in ipv6_get_l4proto() argument
324 unsigned int extoff = nhoff + sizeof(struct ipv6hdr); in ipv6_get_l4proto()
[all …]
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| /Linux-v4.19/net/ipv6/ |
| D | ip6_offload.c | 70 int nhoff; in ipv6_gso_segment() local
74 nhoff = skb_network_header(skb) - skb_mac_header(skb); in ipv6_gso_segment()
109 ipv6h = (struct ipv6hdr *)(skb_mac_header(skb) + nhoff); in ipv6_gso_segment()
115 payload_len = skb->len - nhoff - sizeof(*ipv6h); in ipv6_gso_segment()
297 static int ipv6_gro_complete(struct sk_buff *skb, int nhoff) in ipv6_gro_complete() argument
300 struct ipv6hdr *iph = (struct ipv6hdr *)(skb->data + nhoff); in ipv6_gro_complete()
305 skb_set_inner_network_header(skb, nhoff); in ipv6_gro_complete()
308 iph->payload_len = htons(skb->len - nhoff - sizeof(*iph)); in ipv6_gro_complete()
312 nhoff += sizeof(*iph) + ipv6_exthdrs_len(iph, &ops); in ipv6_gro_complete()
316 err = ops->callbacks.gro_complete(skb, nhoff); in ipv6_gro_complete()
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| D | udp_offload.c | 145 static int udp6_gro_complete(struct sk_buff *skb, int nhoff) in udp6_gro_complete() argument
148 struct udphdr *uh = (struct udphdr *)(skb->data + nhoff); in udp6_gro_complete()
152 uh->check = ~udp_v6_check(skb->len - nhoff, &ipv6h->saddr, in udp6_gro_complete()
158 return udp_gro_complete(skb, nhoff, udp6_lib_lookup_skb); in udp6_gro_complete()
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| D | esp6_offload.c | 60 int nhoff; in esp6_gro_receive() local
96 nhoff = esp6_nexthdr_esp_offset(ipv6_hdr(skb), offset); in esp6_gro_receive()
97 if (!nhoff) in esp6_gro_receive()
100 IP6CB(skb)->nhoff = nhoff; in esp6_gro_receive()
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| D | ip6_input.c | 224 IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr); in ip6_rcv_core()
327 unsigned int nhoff; in ip6_input_finish() local
341 nhoff = IP6CB(skb)->nhoff; in ip6_input_finish()
342 nexthdr = skb_network_header(skb)[nhoff]; in ip6_input_finish()
405 ICMPV6_UNK_NEXTHDR, nhoff); in ip6_input_finish()
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| D | reassembly.c | 111 struct frag_hdr *fhdr, int nhoff, in ip6_frag_queue() argument
243 fq->nhoffset = nhoff; in ip6_frag_queue()
285 unsigned int nhoff; in ip6_frag_reasm() local
355 nhoff = fq->nhoffset; in ip6_frag_reasm()
356 skb_network_header(head)[nhoff] = skb_transport_header(head)[0]; in ip6_frag_reasm()
396 IP6CB(head)->nhoff = nhoff; in ip6_frag_reasm()
454 IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb); in ipv6_frag_rcv()
472 ret = ip6_frag_queue(fq, skb, fhdr, IP6CB(skb)->nhoff, in ipv6_frag_rcv()
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| D | xfrm6_policy.c | 130 u16 nhoff = IP6CB(skb)->nhoff; in _decode_session6() local
134 if (!nhoff) in _decode_session6()
135 nhoff = offsetof(struct ipv6hdr, nexthdr); in _decode_session6()
137 nexthdr = nh[nhoff]; in _decode_session6()
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| D | xfrm6_input.c | 48 skb_network_header(skb)[IP6CB(skb)->nhoff] = in xfrm6_transport_finish()
74 return xfrm6_rcv_spi(skb, skb_network_header(skb)[IP6CB(skb)->nhoff], in xfrm6_rcv_tnl()
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| D | exthdrs.c | 316 opt->nhoff = dstbuf; in ipv6_destopt_rcv()
318 opt->nhoff = opt->dst1; in ipv6_destopt_rcv()
413 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_srh_rcv()
541 opt->nhoff = (&hdr->nexthdr) - skb_network_header(skb); in ipv6_rthdr_rcv()
854 opt->nhoff = sizeof(struct ipv6hdr); in ipv6_parse_hopopts()
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| /Linux-v4.19/net/ipv6/ila/ |
| D | ila_common.c | 77 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()
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| /Linux-v4.19/net/core/ |
| D | flow_dissector.c | 250 void *target_container, void *data, int nhoff, int hlen) in __skb_flow_dissect_mpls() argument
261 hdr = __skb_header_pointer(skb, nhoff, sizeof(_hdr), data, in __skb_flow_dissect_mpls()
296 void *target_container, void *data, int nhoff, int hlen) in __skb_flow_dissect_arp() argument
311 arp = __skb_header_pointer(skb, nhoff, sizeof(_arp), data, in __skb_flow_dissect_arp()
324 arp_eth = __skb_header_pointer(skb, nhoff + sizeof(_arp), in __skb_flow_dissect_arp()
610 void *data, __be16 proto, int nhoff, int hlen, in __skb_flow_dissect() argument
630 nhoff = skb_network_offset(skb); in __skb_flow_dissect()
641 nhoff += offset; in __skb_flow_dissect()
680 iph = __skb_header_pointer(skb, nhoff, sizeof(_iph), data, hlen, &_iph); in __skb_flow_dissect()
686 nhoff += iph->ihl * 4; in __skb_flow_dissect()
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| /Linux-v4.19/net/nsh/ |
| D | nsh.c | 85 int nhoff; in nsh_gso_segment() local
89 nhoff = skb->network_header - skb->mac_header; in nsh_gso_segment()
114 skb->network_header - nhoff, in nsh_gso_segment()
122 skb_set_mac_header(skb, -nhoff); in nsh_gso_segment()
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| /Linux-v4.19/net/ipv4/ |
| D | udp_offload.c | 430 int udp_gro_complete(struct sk_buff *skb, int nhoff, in udp_gro_complete() argument
433 __be16 newlen = htons(skb->len - nhoff); in udp_gro_complete()
434 struct udphdr *uh = (struct udphdr *)(skb->data + nhoff); in udp_gro_complete()
449 nhoff + sizeof(struct udphdr)); in udp_gro_complete()
459 static int udp4_gro_complete(struct sk_buff *skb, int nhoff) in udp4_gro_complete() argument
462 struct udphdr *uh = (struct udphdr *)(skb->data + nhoff); in udp4_gro_complete()
466 uh->check = ~udp_v4_check(skb->len - nhoff, iph->saddr, in udp4_gro_complete()
472 return udp_gro_complete(skb, nhoff, udp4_lib_lookup_skb); in udp4_gro_complete()
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| D | gre_offload.c | 231 static int gre_gro_complete(struct sk_buff *skb, int nhoff) in gre_gro_complete() argument
233 struct gre_base_hdr *greh = (struct gre_base_hdr *)(skb->data + nhoff); in gre_gro_complete()
252 err = ptype->callbacks.gro_complete(skb, nhoff + grehlen); in gre_gro_complete()
256 skb_set_inner_mac_header(skb, nhoff + grehlen); in gre_gro_complete()
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| D | af_inet.c | 1300 int nhoff; in inet_gso_segment() local
1305 nhoff = skb_network_header(skb) - skb_mac_header(skb); in inet_gso_segment()
1351 iph = (struct iphdr *)(skb_mac_header(skb) + nhoff); in inet_gso_segment()
1356 offset += skb->len - nhoff - ihl; in inet_gso_segment()
1357 tot_len = skb->len - nhoff; in inet_gso_segment()
1369 tot_len = skb->len - nhoff; in inet_gso_segment()
1373 tot_len = skb->len - nhoff; in inet_gso_segment()
1559 int inet_gro_complete(struct sk_buff *skb, int nhoff) in inet_gro_complete() argument
1561 __be16 newlen = htons(skb->len - nhoff); in inet_gro_complete()
1562 struct iphdr *iph = (struct iphdr *)(skb->data + nhoff); in inet_gro_complete()
[all …]
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| D | fou.c | 262 int nhoff) in fou_gro_complete() argument
275 err = ops->callbacks.gro_complete(skb, nhoff); in fou_gro_complete()
277 skb_set_inner_mac_header(skb, nhoff); in fou_gro_complete()
456 static int gue_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff) in gue_gro_complete() argument
459 struct guehdr *guehdr = (struct guehdr *)(skb->data + nhoff); in gue_gro_complete()
492 err = ops->callbacks.gro_complete(skb, nhoff + guehlen); in gue_gro_complete()
494 skb_set_inner_mac_header(skb, nhoff + guehlen); in gue_gro_complete()
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| /Linux-v4.19/net/ethernet/ |
| D | eth.c | 484 int eth_gro_complete(struct sk_buff *skb, int nhoff) in eth_gro_complete() argument
486 struct ethhdr *eh = (struct ethhdr *)(skb->data + nhoff); in eth_gro_complete()
492 skb_set_inner_mac_header(skb, nhoff); in eth_gro_complete()
497 err = ptype->callbacks.gro_complete(skb, nhoff + in eth_gro_complete()
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| /Linux-v4.19/net/ipv6/netfilter/ |
| D | nf_conntrack_reasm.c | 178 const struct frag_hdr *fhdr, int nhoff) in nf_ct_frag6_queue() argument
318 fq->nhoffset = nhoff; in nf_ct_frag6_queue()
540 int fhoff, nhoff, ret; in nf_ct_frag6_gather() local
552 if (find_prev_fhdr(skb, &prevhdr, &nhoff, &fhoff) < 0) in nf_ct_frag6_gather()
576 ret = nf_ct_frag6_queue(fq, skb, fhdr, nhoff); in nf_ct_frag6_gather()
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| /Linux-v4.19/include/net/ |
| D | inet_common.h | 47 int inet_gro_complete(struct sk_buff *skb, int nhoff);
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| /Linux-v4.19/include/linux/ |
| D | udp.h | 82 int nhoff);
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| /Linux-v4.19/net/ipv4/netfilter/ |
| D | nf_log_arp.c | 47 const struct sk_buff *skb, unsigned int nhoff) in dump_arp_packet() argument
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