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Searched refs:ihl (Results 1 – 25 of 68) sorted by relevance

123

/net/sched/
Dact_csum.c134 unsigned int ihl, unsigned int ipl, in tcf_csum_skb_nextlayer() argument
138 int hl = ihl + jhl; in tcf_csum_skb_nextlayer()
144 return (void *)(skb_network_header(skb) + ihl); in tcf_csum_skb_nextlayer()
147 static int tcf_csum_ipv4_icmp(struct sk_buff *skb, unsigned int ihl, in tcf_csum_ipv4_icmp() argument
152 icmph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*icmph)); in tcf_csum_ipv4_icmp()
157 skb->csum = csum_partial(icmph, ipl - ihl, 0); in tcf_csum_ipv4_icmp()
166 unsigned int ihl, unsigned int ipl) in tcf_csum_ipv4_igmp() argument
170 igmph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*igmph)); in tcf_csum_ipv4_igmp()
175 skb->csum = csum_partial(igmph, ipl - ihl, 0); in tcf_csum_ipv4_igmp()
183 static int tcf_csum_ipv6_icmp(struct sk_buff *skb, unsigned int ihl, in tcf_csum_ipv6_icmp() argument
[all …]
Dact_nat.c113 int ihl; in tcf_nat_act() local
163 ihl = iph->ihl * 4; in tcf_nat_act()
171 if (!pskb_may_pull(skb, ihl + sizeof(*tcph) + noff) || in tcf_nat_act()
172 skb_try_make_writable(skb, ihl + sizeof(*tcph) + noff)) in tcf_nat_act()
175 tcph = (void *)(skb_network_header(skb) + ihl); in tcf_nat_act()
184 if (!pskb_may_pull(skb, ihl + sizeof(*udph) + noff) || in tcf_nat_act()
185 skb_try_make_writable(skb, ihl + sizeof(*udph) + noff)) in tcf_nat_act()
188 udph = (void *)(skb_network_header(skb) + ihl); in tcf_nat_act()
201 if (!pskb_may_pull(skb, ihl + sizeof(*icmph) + noff)) in tcf_nat_act()
204 icmph = (void *)(skb_network_header(skb) + ihl); in tcf_nat_act()
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/net/ipv4/
Dah4.c83 int l = iph->ihl*4 - sizeof(struct iphdr); in ip_clear_mutable_options()
129 int ihl = ip_hdrlen(skb); in ah_output_done() local
132 icv = ah_tmp_icv(ahp->ahash, iph, ihl); in ah_output_done()
138 if (top_iph->ihl != 5) { in ah_output_done()
140 memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr)); in ah_output_done()
151 int ihl; in ah_output() local
174 ihl = ip_hdrlen(skb); in ah_output()
181 iph = ah_alloc_tmp(ahash, nfrags + sglists, ihl + seqhi_len); in ah_output()
184 seqhi = (__be32 *)((char *)iph + ihl); in ah_output()
198 if (top_iph->ihl != 5) { in ah_output()
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Dip_input.c277 opt->optlen = iph->ihl*4 - sizeof(struct iphdr); in ip_rcv_options()
385 if (iph->ihl > 5 && ip_rcv_options(skb, dev)) in ip_rcv_finish_core()
493 if (iph->ihl < 5 || iph->version != 4) in ip_rcv_core()
503 if (!pskb_may_pull(skb, iph->ihl*4)) in ip_rcv_core()
508 if (unlikely(ip_fast_csum((u8 *)iph, iph->ihl))) in ip_rcv_core()
516 } else if (len < (iph->ihl*4)) in ip_rcv_core()
529 skb->transport_header = skb->network_header + iph->ihl*4; in ip_rcv_core()
Dip_fragment.c276 int ihl, end, flags, offset; in ip_frag_queue() local
298 ihl = ip_hdrlen(skb); in ip_frag_queue()
301 end = offset + skb->len - skb_network_offset(skb) - ihl; in ip_frag_queue()
331 if (!pskb_pull(skb, skb_network_offset(skb) + ihl)) in ip_frag_queue()
358 fragsize = skb->len + ihl; in ip_frag_queue()
518 if (iph.ihl < 5 || iph.version != 4) in ip_check_defrag()
522 if (skb->len < netoff + len || len < (iph.ihl * 4)) in ip_check_defrag()
528 if (!pskb_may_pull(skb, netoff + iph.ihl * 4)) { in ip_check_defrag()
Dip_vti.c335 esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2)); in vti4_err()
339 ah = (struct ip_auth_hdr *)(skb->data+(iph->ihl<<2)); in vti4_err()
343 ipch = (struct ip_comp_hdr *)(skb->data+(iph->ihl<<2)); in vti4_err()
382 p->iph.ihl != 5) in vti_tunnel_ctl()
446 iph->ihl = 5; in vti_fb_tunnel_init()
Desp4.c759 int ihl; in esp_input_done2() local
772 ihl = iph->ihl * 4; in esp_input_done2()
776 struct tcphdr *th = (void *)(skb_network_header(skb) + ihl); in esp_input_done2()
777 struct udphdr *uh = (void *)(skb_network_header(skb) + ihl); in esp_input_done2()
831 skb_set_transport_header(skb, -ihl); in esp_input_done2()
982 struct ip_esp_hdr *esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2)); in esp4_err()
Daf_inet.c1352 int ihl; in inet_gso_segment() local
1361 ihl = iph->ihl * 4; in inet_gso_segment()
1362 if (ihl < sizeof(*iph)) in inet_gso_segment()
1369 if (unlikely(!pskb_may_pull(skb, ihl))) in inet_gso_segment()
1371 __skb_pull(skb, ihl); in inet_gso_segment()
1376 SKB_GSO_CB(skb)->encap_level += ihl; in inet_gso_segment()
1410 offset += skb->len - nhoff - ihl; in inet_gso_segment()
Dip_output.c95 iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl); in ip_send_check()
159 iph->ihl = 5; in ip_build_and_send_pkt()
181 iph->ihl += opt->opt.optlen>>2; in ip_build_and_send_pkt()
521 iph->ihl += inet_opt->opt.optlen >> 2; in __ip_queue_xmit()
791 hlen = iph->ihl * 4; in ip_do_fragment()
1535 iph->ihl = 5; in __ip_make_skb()
1544 iph->ihl += opt->optlen >> 2; in __ip_make_skb()
Dxfrm4_input.c146 iphlen = iph->ihl << 2; in xfrm4_udp_encap_rcv()
Dipconfig.c833 h->ihl = 5; in ic_bootp_send_if()
839 h->check = ip_fast_csum((unsigned char *) h, h->ihl); in ic_bootp_send_if()
1003 if (h->ihl != 5 || h->version != 4 || h->protocol != IPPROTO_UDP) in ic_bootp_recv()
1015 if (ip_fast_csum((char *) h, h->ihl)) in ic_bootp_recv()
Dicmp.c662 (iph->ihl << 2) + in __icmp_send()
831 if (!pskb_may_pull(skb, iph->ihl * 4 + 8)) { in icmp_socket_deliver()
879 if (iph->ihl < 5) /* Mangled header, drop. */ in icmp_unreach()
1347 int offset = iph->ihl<<2; in icmp_err()
/net/xfrm/
Dxfrm_inout.h13 XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph); in xfrm4_extract_header()
18 XFRM_MODE_SKB_CB(skb)->optlen = iph->ihl * 4 - sizeof(*iph); in xfrm4_extract_header()
28 XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph); in xfrm6_extract_header()
59 iph->ihl = 5; in xfrm4_beet_make_header()
Dxfrm_output.c67 int ihl = iph->ihl * 4; in xfrm4_transport_output() local
74 skb->transport_header = skb->network_header + ihl; in xfrm4_transport_output()
75 __skb_pull(skb, ihl); in xfrm4_transport_output()
76 memmove(skb_network_header(skb), iph, ihl); in xfrm4_transport_output()
237 (XFRM_MODE_SKB_CB(skb)->ihl - sizeof(*top_iph))); in xfrm4_beet_encap_add()
246 ph = __skb_pull(skb, XFRM_MODE_SKB_CB(skb)->ihl - hdrlen); in xfrm4_beet_encap_add()
261 top_iph->ihl = sizeof(struct iphdr) / 4; in xfrm4_beet_encap_add()
290 top_iph->ihl = 5; in xfrm4_tunnel_encap_add()
372 ph = __skb_pull(skb, XFRM_MODE_SKB_CB(skb)->ihl - hdr_len); in xfrm6_beet_encap_add()
Dxfrm_input.c211 iph->ihl += optlen / 4; in xfrm4_remove_beet_encap()
216 iph->check = ip_fast_csum(skb_network_header(skb), iph->ihl); in xfrm4_remove_beet_encap()
403 int ihl = skb->data - skb_transport_header(skb); in xfrm4_transport_input() local
407 skb_network_header(skb), ihl); in xfrm4_transport_input()
410 ip_hdr(skb)->tot_len = htons(skb->len + ihl); in xfrm4_transport_input()
418 int ihl = skb->data - skb_transport_header(skb); in xfrm6_transport_input() local
422 skb_network_header(skb), ihl); in xfrm6_transport_input()
425 ipv6_hdr(skb)->payload_len = htons(skb->len + ihl - in xfrm6_transport_input()
/net/netfilter/
Dnf_log_syslog.c336 ih->ihl * 4 > sizeof(struct iphdr)) { in dump_ipv4_packet()
341 optsize = ih->ihl * 4 - sizeof(struct iphdr); in dump_ipv4_packet()
360 iphoff + ih->ihl * 4, logflags)) in dump_ipv4_packet()
367 iphoff + ih->ihl * 4)) in dump_ipv4_packet()
393 ich = skb_header_pointer(skb, iphoff + ih->ihl * 4, in dump_ipv4_packet()
397 skb->len - iphoff - ih->ihl * 4); in dump_ipv4_packet()
407 skb->len - iphoff - ih->ihl * 4 < required_len[ich->type]) { in dump_ipv4_packet()
409 skb->len - iphoff - ih->ihl * 4); in dump_ipv4_packet()
438 iphoff + ih->ihl * 4 + sizeof(_icmph)); in dump_ipv4_packet()
463 ah = skb_header_pointer(skb, iphoff + ih->ihl * 4, in dump_ipv4_packet()
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Dxt_HMARK.c259 if (get_inner_hdr(skb, ip->ihl * 4, &nhoff)) { in hmark_pkt_set_htuple_ipv4()
282 hmark_set_tuple_ports(skb, (ip->ihl * 4) + nhoff, t, info); in hmark_pkt_set_htuple_ipv4()
/net/ipv4/netfilter/
Dnf_nat_snmp_basic_main.c129 struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl); in snmp_translate()
167 const struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl); in help()
184 if (ntohs(udph->len) != skb->len - (iph->ihl << 2)) { in help()
Dnf_reject_ipv4.c24 if (iph->ihl < 5 || iph->version != 4) in nf_reject_iphdr_validate()
30 else if (len < (iph->ihl*4)) in nf_reject_iphdr_validate()
33 if (!pskb_may_pull(skb, iph->ihl*4)) in nf_reject_iphdr_validate()
175 niph->ihl = sizeof(struct iphdr) / 4; in nf_reject_iphdr_put()
/net/netfilter/ipvs/
Dip_vs_core.c752 unsigned int icmp_offset = iph->ihl*4; in ip_vs_nat_icmp()
772 __be16 *ports = (void *)ciph + ciph->ihl*4; in ip_vs_nat_icmp()
860 unsigned int offset, unsigned int ihl, in handle_response_icmp() argument
869 if (!skb_csum_unnecessary(skb) && ip_vs_checksum_complete(skb, ihl)) { in handle_response_icmp()
923 unsigned int offset, ihl; in ip_vs_out_icmp() local
935 offset = ihl = iph->ihl * 4; in ip_vs_out_icmp()
986 pp, ciph.len, ihl, hooknum); in ip_vs_out_icmp()
1640 unsigned int offset, offset2, ihl, verdict; in ip_vs_in_icmp() local
1654 offset = ihl = iph->ihl * 4; in ip_vs_in_icmp()
1698 offset += cih->ihl * 4; in ip_vs_in_icmp()
[all …]
Dip_vs_proto_sctp.c384 int ihl, cofs; in set_sctp_state() local
387 ihl = cp->af == AF_INET ? ip_hdrlen(skb) : sizeof(struct ipv6hdr); in set_sctp_state()
389 ihl = ip_hdrlen(skb); in set_sctp_state()
392 cofs = ihl + sizeof(struct sctphdr); in set_sctp_state()
Dip_vs_proto_tcp.c595 int ihl = cp->af == AF_INET ? ip_hdrlen(skb) : sizeof(struct ipv6hdr); in tcp_state_transition() local
597 int ihl = ip_hdrlen(skb); in tcp_state_transition() local
600 th = skb_header_pointer(skb, ihl, sizeof(_tcph), &_tcph); in tcp_state_transition()
/net/core/
Dselftests.c117 ihdr->ihl = 5; in net_test_get_skb()
212 thdr = (struct tcphdr *)((u8 *)ihdr + 4 * ihdr->ihl); in net_test_loopback_validate()
221 uhdr = (struct udphdr *)((u8 *)ihdr + 4 * ihdr->ihl); in net_test_loopback_validate()
/net/bridge/netfilter/
Dnf_conntrack_bridge.c52 hlen = iph->ihl * 4; in nf_br_ip_fragment()
210 if (iph->ihl < 5 || in nf_ct_br_ip_check()
216 len < (iph->ihl * 4)) in nf_ct_br_ip_check()
/net/bridge/
Dbr_netfilter_hooks.c211 if (iph->ihl < 5 || iph->version != 4) in br_validate_ipv4()
214 if (!pskb_may_pull(skb, iph->ihl*4)) in br_validate_ipv4()
218 if (unlikely(ip_fast_csum((u8 *)iph, iph->ihl))) in br_validate_ipv4()
225 } else if (len < (iph->ihl*4)) in br_validate_ipv4()
535 skb->transport_header = skb->network_header + ip_hdr(skb)->ihl * 4; in br_nf_pre_routing()

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