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Searched refs:udph (Results 1 – 19 of 19) sorted by relevance

/Linux-v4.19/net/netfilter/ipvs/
Dip_vs_proto_udp.c140 struct udphdr *udph; in udp_snat_handler() local
152 if (!skb_make_writable(skb, udphoff+sizeof(*udph))) in udp_snat_handler()
174 udph = (void *)skb_network_header(skb) + udphoff; in udp_snat_handler()
175 udph->source = cp->vport; in udp_snat_handler()
181 udp_partial_csum_update(cp->af, udph, &cp->daddr, &cp->vaddr, in udp_snat_handler()
184 } else if (!payload_csum && (udph->check != 0)) { in udp_snat_handler()
186 udp_fast_csum_update(cp->af, udph, &cp->daddr, &cp->vaddr, in udp_snat_handler()
193 udph->check = 0; in udp_snat_handler()
197 udph->check = csum_ipv6_magic(&cp->vaddr.in6, in udp_snat_handler()
203 udph->check = csum_tcpudp_magic(cp->vaddr.ip, in udp_snat_handler()
[all …]
/Linux-v4.19/net/sched/
Dact_csum.c248 struct udphdr *udph; in tcf_csum_ipv4_udp() local
262 udph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*udph)); in tcf_csum_ipv4_udp()
263 if (udph == NULL) in tcf_csum_ipv4_udp()
267 ul = ntohs(udph->len); in tcf_csum_ipv4_udp()
269 if (udplite || udph->check) { in tcf_csum_ipv4_udp()
271 udph->check = 0; in tcf_csum_ipv4_udp()
275 skb->csum = csum_partial(udph, ipl - ihl, 0); in tcf_csum_ipv4_udp()
276 else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl)) in tcf_csum_ipv4_udp()
277 skb->csum = csum_partial(udph, ul, 0); in tcf_csum_ipv4_udp()
284 skb->csum = csum_partial(udph, ul, 0); in tcf_csum_ipv4_udp()
[all …]
Dact_nat.c176 struct udphdr *udph; in tcf_nat_act() local
178 if (!pskb_may_pull(skb, ihl + sizeof(*udph) + noff) || in tcf_nat_act()
179 skb_try_make_writable(skb, ihl + sizeof(*udph) + noff)) in tcf_nat_act()
182 udph = (void *)(skb_network_header(skb) + ihl); in tcf_nat_act()
183 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in tcf_nat_act()
184 inet_proto_csum_replace4(&udph->check, skb, addr, in tcf_nat_act()
186 if (!udph->check) in tcf_nat_act()
187 udph->check = CSUM_MANGLED_0; in tcf_nat_act()
/Linux-v4.19/net/ipv4/netfilter/
Dnf_nat_snmp_basic_main.c133 struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl); in snmp_translate() local
134 u16 datalen = ntohs(udph->len) - sizeof(struct udphdr); in snmp_translate()
135 char *data = (unsigned char *)udph + sizeof(struct udphdr); in snmp_translate()
150 ctx.begin = (unsigned char *)udph + sizeof(struct udphdr); in snmp_translate()
151 ctx.check = &udph->check; in snmp_translate()
171 const struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl); in help() local
174 if (udph->source == htons(SNMP_PORT) && dir != IP_CT_DIR_REPLY) in help()
176 if (udph->dest == htons(SNMP_TRAP_PORT) && dir != IP_CT_DIR_ORIGINAL) in help()
188 if (ntohs(udph->len) != skb->len - (iph->ihl << 2)) { in help()
/Linux-v4.19/drivers/net/ethernet/mellanox/mlx5/core/
Den_selftest.c118 struct udphdr *udph; in mlx5e_test_get_udp_skb() local
123 (sizeof(*ethh) + sizeof(*iph) + sizeof(*udph)); in mlx5e_test_get_udp_skb()
142 udph = skb_put(skb, sizeof(struct udphdr)); in mlx5e_test_get_udp_skb()
150 udph->source = htons(9); in mlx5e_test_get_udp_skb()
151 udph->dest = htons(9); /* Discard Protocol */ in mlx5e_test_get_udp_skb()
152 udph->len = htons(datalen + sizeof(struct udphdr)); in mlx5e_test_get_udp_skb()
153 udph->check = 0; in mlx5e_test_get_udp_skb()
204 struct udphdr *udph; in mlx5e_test_loopback_validate() local
220 udph = (struct udphdr *)((u8 *)iph + 4 * iph->ihl); in mlx5e_test_loopback_validate()
221 if (udph->dest != htons(9)) in mlx5e_test_loopback_validate()
[all …]
Den_main.c4059 struct udphdr *udph; in mlx5e_tunnel_features_check() local
4078 udph = udp_hdr(skb); in mlx5e_tunnel_features_check()
4079 port = be16_to_cpu(udph->dest); in mlx5e_tunnel_features_check()
/Linux-v4.19/net/netfilter/
Dnf_nat_helper.c156 struct udphdr *udph; in nf_nat_mangle_udp_packet() local
167 udph = (void *)skb->data + protoff; in nf_nat_mangle_udp_packet()
170 mangle_contents(skb, protoff + sizeof(*udph), in nf_nat_mangle_udp_packet()
175 udph->len = htons(datalen); in nf_nat_mangle_udp_packet()
178 if (!udph->check && skb->ip_summed != CHECKSUM_PARTIAL) in nf_nat_mangle_udp_packet()
182 l3proto->csum_recalc(skb, IPPROTO_UDP, udph, &udph->check, in nf_nat_mangle_udp_packet()
Dnf_flow_table_ip.c56 struct udphdr *udph; in nf_flow_nat_ip_udp() local
58 if (!pskb_may_pull(skb, thoff + sizeof(*udph)) || in nf_flow_nat_ip_udp()
59 skb_try_make_writable(skb, thoff + sizeof(*udph))) in nf_flow_nat_ip_udp()
62 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ip_udp()
63 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_ip_udp()
64 inet_proto_csum_replace4(&udph->check, skb, addr, in nf_flow_nat_ip_udp()
66 if (!udph->check) in nf_flow_nat_ip_udp()
67 udph->check = CSUM_MANGLED_0; in nf_flow_nat_ip_udp()
295 struct udphdr *udph; in nf_flow_nat_ipv6_udp() local
297 if (!pskb_may_pull(skb, thoff + sizeof(*udph)) || in nf_flow_nat_ipv6_udp()
[all …]
Dnf_flow_table_core.c358 struct udphdr *udph; in nf_flow_nat_port_udp() local
360 if (!pskb_may_pull(skb, thoff + sizeof(*udph)) || in nf_flow_nat_port_udp()
361 skb_try_make_writable(skb, thoff + sizeof(*udph))) in nf_flow_nat_port_udp()
364 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_port_udp()
365 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_port_udp()
366 inet_proto_csum_replace2(&udph->check, skb, port, in nf_flow_nat_port_udp()
368 if (!udph->check) in nf_flow_nat_port_udp()
369 udph->check = CSUM_MANGLED_0; in nf_flow_nat_port_udp()
/Linux-v4.19/tools/testing/selftests/net/
Dpsock_snd.c137 struct udphdr *udph = header; in build_udp_header() local
138 int len = sizeof(*udph) + payload_len; in build_udp_header()
140 udph->source = htons(9); in build_udp_header()
141 udph->dest = htons(cfg_port); in build_udp_header()
142 udph->len = htons(len); in build_udp_header()
145 udph->check = build_ip_csum(header - (2 * alen), alen, in build_udp_header()
146 htons(IPPROTO_UDP) + udph->len); in build_udp_header()
148 udph->check = 0; in build_udp_header()
150 return sizeof(*udph); in build_udp_header()
/Linux-v4.19/drivers/infiniband/sw/rxe/
Drxe_icrc.c43 struct udphdr *udph; in rxe_icrc_hdr() local
65 udph = (struct udphdr *)(ip4h + 1); in rxe_icrc_hdr()
73 udph = (struct udphdr *)(ip6h + 1); in rxe_icrc_hdr()
79 udph->check = CSUM_MANGLED_0; in rxe_icrc_hdr()
Drxe_net.c238 struct udphdr *udph; in rxe_udp_encap_recv() local
256 udph = udp_hdr(skb); in rxe_udp_encap_recv()
259 pkt->hdr = (u8 *)(udph + 1); in rxe_udp_encap_recv()
261 pkt->paylen = be16_to_cpu(udph->len) - sizeof(*udph); in rxe_udp_encap_recv()
314 struct udphdr *udph; in prepare_udp_hdr() local
316 __skb_push(skb, sizeof(*udph)); in prepare_udp_hdr()
318 udph = udp_hdr(skb); in prepare_udp_hdr()
320 udph->dest = dst_port; in prepare_udp_hdr()
321 udph->source = src_port; in prepare_udp_hdr()
322 udph->len = htons(skb->len); in prepare_udp_hdr()
[all …]
/Linux-v4.19/net/core/
Dnetpoll.c366 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 …]
Dpktgen.c2730 struct udphdr *udph; in fill_packet_ipv4() local
2791 udph = skb_put(skb, sizeof(struct udphdr)); in fill_packet_ipv4()
2804 udph->source = htons(pkt_dev->cur_udp_src); in fill_packet_ipv4()
2805 udph->dest = htons(pkt_dev->cur_udp_dst); in fill_packet_ipv4()
2806 udph->len = htons(datalen + 8); /* DATA + udphdr */ in fill_packet_ipv4()
2807 udph->check = 0; in fill_packet_ipv4()
2838 udph->check = csum_tcpudp_magic(iph->saddr, iph->daddr, in fill_packet_ipv4()
2841 if (udph->check == 0) in fill_packet_ipv4()
2842 udph->check = CSUM_MANGLED_0; in fill_packet_ipv4()
2858 struct udphdr *udph; in fill_packet_ipv6() local
[all …]
/Linux-v4.19/tools/testing/selftests/networking/timestamping/
Dtxtimestamp.c339 struct udphdr *udph; in do_test() local
356 udph = (void *) buf + off; in do_test()
357 udph->source = ntohs(9000); /* random spoof */ in do_test()
358 udph->dest = ntohs(dest_port); in do_test()
359 udph->len = ntohs(sizeof(*udph) + cfg_payload_len); in do_test()
360 udph->check = 0; /* not allowed for IPv6 */ in do_test()
/Linux-v4.19/net/ipv4/
Dipconfig.c601 struct udphdr udph; /* UDP header */ member
822 b->udph.source = htons(68); in ic_bootp_send_if()
823 b->udph.dest = htons(67); in ic_bootp_send_if()
824 b->udph.len = htons(sizeof(struct bootp_pkt) - sizeof(struct iphdr)); in ic_bootp_send_if()
995 if (b->udph.source != htons(67) || b->udph.dest != htons(68)) in ic_bootp_recv()
998 if (ntohs(h->tot_len) < ntohs(b->udph.len) + sizeof(struct iphdr)) in ic_bootp_recv()
1001 len = ntohs(b->udph.len) - sizeof(struct udphdr); in ic_bootp_recv()
Droute.c2744 struct udphdr *udph; in inet_rtm_getroute_build_skb() local
2746 udph = skb_put_zero(skb, sizeof(struct udphdr)); in inet_rtm_getroute_build_skb()
2747 udph->source = sport; in inet_rtm_getroute_build_skb()
2748 udph->dest = dport; in inet_rtm_getroute_build_skb()
2749 udph->len = sizeof(struct udphdr); in inet_rtm_getroute_build_skb()
2750 udph->check = 0; in inet_rtm_getroute_build_skb()
/Linux-v4.19/samples/bpf/
Dxdp_redirect_cpu_kern.c160 struct udphdr *udph; in get_dest_port_ipv4_udp() local
168 udph = (void *)(iph + 1); in get_dest_port_ipv4_udp()
169 if (udph + 1 > data_end) in get_dest_port_ipv4_udp()
172 dport = ntohs(udph->dest); in get_dest_port_ipv4_udp()
/Linux-v4.19/drivers/net/ethernet/cisco/enic/
Denic_main.c284 struct udphdr *udph; in enic_features_check() local
319 udph = udp_hdr(skb); in enic_features_check()
320 port = be16_to_cpu(udph->dest); in enic_features_check()