| /net/netfilter/ipvs/ |
| D | ip_vs_proto_udp.c | 139 struct udphdr *udph; in udp_snat_handler() local
151 if (skb_ensure_writable(skb, udphoff + sizeof(*udph))) in udp_snat_handler()
173 udph = (void *)skb_network_header(skb) + udphoff; in udp_snat_handler()
174 udph->source = cp->vport; in udp_snat_handler()
180 udp_partial_csum_update(cp->af, udph, &cp->daddr, &cp->vaddr, in udp_snat_handler()
183 } else if (!payload_csum && (udph->check != 0)) { in udp_snat_handler()
185 udp_fast_csum_update(cp->af, udph, &cp->daddr, &cp->vaddr, in udp_snat_handler()
192 udph->check = 0; in udp_snat_handler()
196 udph->check = csum_ipv6_magic(&cp->vaddr.in6, in udp_snat_handler()
202 udph->check = csum_tcpudp_magic(cp->vaddr.ip, in udp_snat_handler()
[all …]
|
| D | ip_vs_xmit.c | 1027 struct udphdr *udph; /* Our new UDP header */ in ipvs_gue_encap() local
1082 udph = udp_hdr(skb); in ipvs_gue_encap()
1085 udph->dest = dport; in ipvs_gue_encap()
1086 udph->source = sport; in ipvs_gue_encap()
1087 udph->len = htons(skb->len); in ipvs_gue_encap()
1088 udph->check = 0; in ipvs_gue_encap()
|
| D | ip_vs_core.c | 1584 struct udphdr _udph, *udph; in ipvs_udp_decap() local
1587 udph = skb_header_pointer(skb, offset, sizeof(_udph), &_udph); in ipvs_udp_decap()
1588 if (!udph) in ipvs_udp_decap()
1591 dest = ip_vs_find_tunnel(ipvs, af, daddr, udph->dest); in ipvs_udp_decap()
|
| /net/sched/ |
| D | act_csum.c | 259 struct udphdr *udph; in tcf_csum_ipv4_udp() local
273 udph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*udph)); in tcf_csum_ipv4_udp()
274 if (udph == NULL) in tcf_csum_ipv4_udp()
278 ul = ntohs(udph->len); in tcf_csum_ipv4_udp()
280 if (udplite || udph->check) { in tcf_csum_ipv4_udp()
282 udph->check = 0; in tcf_csum_ipv4_udp()
286 skb->csum = csum_partial(udph, ipl - ihl, 0); in tcf_csum_ipv4_udp()
287 else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl)) in tcf_csum_ipv4_udp()
288 skb->csum = csum_partial(udph, ul, 0); in tcf_csum_ipv4_udp()
295 skb->csum = csum_partial(udph, ul, 0); in tcf_csum_ipv4_udp()
[all …]
|
| D | act_nat.c | 185 struct udphdr *udph; in tcf_nat_act() local
187 if (!pskb_may_pull(skb, ihl + sizeof(*udph) + noff) || in tcf_nat_act()
188 skb_try_make_writable(skb, ihl + sizeof(*udph) + noff)) in tcf_nat_act()
191 udph = (void *)(skb_network_header(skb) + ihl); in tcf_nat_act()
192 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in tcf_nat_act()
193 inet_proto_csum_replace4(&udph->check, skb, addr, in tcf_nat_act()
195 if (!udph->check) in tcf_nat_act()
196 udph->check = CSUM_MANGLED_0; in tcf_nat_act()
|
| /net/ipv4/netfilter/ |
| D | nf_nat_snmp_basic_main.c | 129 struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl); in snmp_translate() local
130 u16 datalen = ntohs(udph->len) - sizeof(struct udphdr); in snmp_translate()
131 char *data = (unsigned char *)udph + sizeof(struct udphdr); in snmp_translate()
146 ctx.begin = (unsigned char *)udph + sizeof(struct udphdr); in snmp_translate()
147 ctx.check = &udph->check; in snmp_translate()
167 const struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl); in help() local
170 if (udph->source == htons(SNMP_PORT) && dir != IP_CT_DIR_REPLY) in help()
172 if (udph->dest == htons(SNMP_TRAP_PORT) && dir != IP_CT_DIR_ORIGINAL) in help()
184 if (ntohs(udph->len) != skb->len - (iph->ihl << 2)) { in help()
|
| /net/netfilter/ |
| D | nf_flow_table_ip.c | 57 struct udphdr *udph; in nf_flow_nat_ip_udp() local
59 if (!pskb_may_pull(skb, thoff + sizeof(*udph)) || in nf_flow_nat_ip_udp()
60 skb_try_make_writable(skb, thoff + sizeof(*udph))) in nf_flow_nat_ip_udp()
63 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ip_udp()
64 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_ip_udp()
65 inet_proto_csum_replace4(&udph->check, skb, addr, in nf_flow_nat_ip_udp()
67 if (!udph->check) in nf_flow_nat_ip_udp()
68 udph->check = CSUM_MANGLED_0; in nf_flow_nat_ip_udp()
325 struct udphdr *udph; in nf_flow_nat_ipv6_udp() local
327 if (!pskb_may_pull(skb, thoff + sizeof(*udph)) || in nf_flow_nat_ipv6_udp()
[all …]
|
| D | nf_nat_helper.c | 145 struct udphdr *udph; in nf_nat_mangle_udp_packet() local
156 udph = (void *)skb->data + protoff; in nf_nat_mangle_udp_packet()
159 mangle_contents(skb, protoff + sizeof(*udph), in nf_nat_mangle_udp_packet()
164 udph->len = htons(datalen); in nf_nat_mangle_udp_packet()
167 if (!udph->check && skb->ip_summed != CHECKSUM_PARTIAL) in nf_nat_mangle_udp_packet()
171 udph, &udph->check, datalen, oldlen); in nf_nat_mangle_udp_packet()
|
| D | nf_flow_table_core.c | 365 struct udphdr *udph; in nf_flow_nat_port_udp() local
367 if (!pskb_may_pull(skb, thoff + sizeof(*udph)) || in nf_flow_nat_port_udp()
368 skb_try_make_writable(skb, thoff + sizeof(*udph))) in nf_flow_nat_port_udp()
371 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_port_udp()
372 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_port_udp()
373 inet_proto_csum_replace2(&udph->check, skb, port, in nf_flow_nat_port_udp()
375 if (!udph->check) in nf_flow_nat_port_udp()
376 udph->check = CSUM_MANGLED_0; in nf_flow_nat_port_udp()
|
| /net/core/ |
| D | netpoll.c | 366 struct udphdr *udph; in netpoll_send_udp() local
374 udp_len = len + sizeof(*udph); in netpoll_send_udp()
390 skb_push(skb, sizeof(*udph)); in netpoll_send_udp()
392 udph = udp_hdr(skb); in netpoll_send_udp()
393 udph->source = htons(np->local_port); in netpoll_send_udp()
394 udph->dest = htons(np->remote_port); in netpoll_send_udp()
395 udph->len = htons(udp_len); in netpoll_send_udp()
398 udph->check = 0; in netpoll_send_udp()
399 udph->check = csum_ipv6_magic(&np->local_ip.in6, in netpoll_send_udp()
402 csum_partial(udph, udp_len, 0)); in netpoll_send_udp()
[all …]
|
| D | pktgen.c | 2724 struct udphdr *udph; in fill_packet_ipv4() local
2785 udph = skb_put(skb, sizeof(struct udphdr)); in fill_packet_ipv4()
2798 udph->source = htons(pkt_dev->cur_udp_src); in fill_packet_ipv4()
2799 udph->dest = htons(pkt_dev->cur_udp_dst); in fill_packet_ipv4()
2800 udph->len = htons(datalen + 8); /* DATA + udphdr */ in fill_packet_ipv4()
2801 udph->check = 0; in fill_packet_ipv4()
2832 udph->check = csum_tcpudp_magic(iph->saddr, iph->daddr, in fill_packet_ipv4()
2835 if (udph->check == 0) in fill_packet_ipv4()
2836 udph->check = CSUM_MANGLED_0; in fill_packet_ipv4()
2852 struct udphdr *udph; in fill_packet_ipv6() local
[all …]
|
| /net/ipv4/ |
| D | ipconfig.c | 605 struct udphdr udph; /* UDP header */ member
826 b->udph.source = htons(68); in ic_bootp_send_if()
827 b->udph.dest = htons(67); in ic_bootp_send_if()
828 b->udph.len = htons(sizeof(struct bootp_pkt) - sizeof(struct iphdr)); in ic_bootp_send_if()
999 if (b->udph.source != htons(67) || b->udph.dest != htons(68)) in ic_bootp_recv()
1002 if (ntohs(h->tot_len) < ntohs(b->udph.len) + sizeof(struct iphdr)) in ic_bootp_recv()
1005 len = ntohs(b->udph.len) - sizeof(struct udphdr); in ic_bootp_recv()
|
| D | route.c | 2975 struct udphdr *udph; in inet_rtm_getroute_build_skb() local
2977 udph = skb_put_zero(skb, sizeof(struct udphdr)); in inet_rtm_getroute_build_skb()
2978 udph->source = sport; in inet_rtm_getroute_build_skb()
2979 udph->dest = dport; in inet_rtm_getroute_build_skb()
2980 udph->len = sizeof(struct udphdr); in inet_rtm_getroute_build_skb()
2981 udph->check = 0; in inet_rtm_getroute_build_skb()
|