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Searched refs:udph (Results 1 – 25 of 43) sorted by relevance

12

/linux-6.15/net/netfilter/ipvs/
H A Dip_vs_proto_udp.c139 struct udphdr *udph; in udp_snat_handler() local
174 udph->source = cp->vport; in udp_snat_handler()
192 udph->check = 0; in udp_snat_handler()
207 if (udph->check == 0) in udp_snat_handler()
208 udph->check = CSUM_MANGLED_0; in udp_snat_handler()
211 pp->name, udph->check, in udp_snat_handler()
212 (char*)&(udph->check) - (char*)udph); in udp_snat_handler()
222 struct udphdr *udph; in udp_dnat_handler() local
258 udph->dest = cp->dport; in udp_dnat_handler()
276 udph->check = 0; in udp_dnat_handler()
[all …]
/linux-6.15/net/sched/
H A Dact_csum.c257 struct udphdr *udph; in tcf_csum_ipv4_udp() local
271 udph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*udph)); in tcf_csum_ipv4_udp()
272 if (udph == NULL) in tcf_csum_ipv4_udp()
276 ul = ntohs(udph->len); in tcf_csum_ipv4_udp()
280 udph->check = 0; in tcf_csum_ipv4_udp()
300 if (!udph->check) in tcf_csum_ipv4_udp()
313 struct udphdr *udph; in tcf_csum_ipv6_udp() local
327 udph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*udph)); in tcf_csum_ipv6_udp()
328 if (udph == NULL) in tcf_csum_ipv6_udp()
334 udph->check = 0; in tcf_csum_ipv6_udp()
[all …]
H A Dact_nat.c194 struct udphdr *udph; in tcf_nat_act() local
196 if (!pskb_may_pull(skb, ihl + sizeof(*udph) + noff) || in tcf_nat_act()
197 skb_try_make_writable(skb, ihl + sizeof(*udph) + noff)) in tcf_nat_act()
200 udph = (void *)(skb_network_header(skb) + ihl); in tcf_nat_act()
201 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in tcf_nat_act()
202 inet_proto_csum_replace4(&udph->check, skb, addr, in tcf_nat_act()
204 if (!udph->check) in tcf_nat_act()
205 udph->check = CSUM_MANGLED_0; in tcf_nat_act()
/linux-6.15/net/ipv4/netfilter/
H A Dnf_nat_snmp_basic_main.c129 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()
/linux-6.15/tools/testing/selftests/bpf/progs/
H A Ddecap_sanity.c36 struct udphdr udph; in decap_sanity() local
48 if (bpf_skb_load_bytes(skb, ETH_HLEN + sizeof(ip6h), &udph, sizeof(udph))) in decap_sanity()
51 if (udph.dest != __bpf_constant_htons(UDP_TEST_PORT)) in decap_sanity()
56 err = bpf_skb_adjust_room(skb, -(s32)(ETH_HLEN + sizeof(ip6h) + sizeof(udph)), in decap_sanity()
H A Dcrypto_sanity.c23 struct udphdr udph; in skb_dynptr_validate() local
35 if (bpf_skb_load_bytes(skb, ETH_HLEN + sizeof(ip6h), &udph, sizeof(udph))) in skb_dynptr_validate()
38 if (udph.dest != __bpf_htons(udp_test_port)) in skb_dynptr_validate()
41 offset = ETH_HLEN + sizeof(ip6h) + sizeof(udph); in skb_dynptr_validate()
H A Dtest_cls_redirect_dynptr.c733 struct udphdr udph; in process_udp() local
738 if (bpf_dynptr_read(&udph, sizeof(udph), dynptr, *offset, 0)) { in process_udp()
742 *offset += sizeof(udph); in process_udp()
744 tuplen = fill_tuple(&tuple, info->hdr, info->len, udph.source, udph.dest); in process_udp()
/linux-6.15/tools/testing/selftests/net/
H A Dtxring_overwrite.c43 struct udphdr *udph; in build_packet() local
65 udph = buffer + off; in build_packet()
66 udph->dest = htons(8000); in build_packet()
67 udph->source = htons(8001); in build_packet()
68 udph->len = htons(blen - off); in build_packet()
69 udph->check = 0; in build_packet()
71 off += sizeof(*udph); in build_packet()
H A 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()
H A Dtap.c285 struct udphdr *udph = (struct udphdr *)buf; in build_udp_packet() local
286 int len = sizeof(*udph) + payload_len; in build_udp_packet()
289 udph->source = htons(22); in build_udp_packet()
290 udph->dest = htons(58822); in build_udp_packet()
291 udph->len = htons(len); in build_udp_packet()
296 sum += htons(IPPROTO_UDP) + udph->len; in build_udp_packet()
301 udph->check = finish_ip_csum(sum); in build_udp_packet()
303 return sizeof(*udph) + payload_len; in build_udp_packet()
H A Dtxtimestamp.c423 static uint16_t get_udp_csum(const struct udphdr *udph, int alen) in get_udp_csum() argument
426 const void *csum_start = udph; in get_udp_csum()
429 pseudo_sum += udph->len; in get_udp_csum()
433 csum_len = ntohs(udph->len) + alen * 2; in get_udp_csum()
477 struct udphdr *udph = p; in fill_header_udp() local
479 udph->source = ntohs(dest_port + 1); /* spoof */ in fill_header_udp()
480 udph->dest = ntohs(dest_port); in fill_header_udp()
481 udph->len = ntohs(sizeof(*udph) + cfg_payload_len); in fill_header_udp()
482 udph->check = 0; in fill_header_udp()
484 udph->check = get_udp_csum(udph, is_ipv4 ? sizeof(struct in_addr) : in fill_header_udp()
/linux-6.15/drivers/net/ethernet/mellanox/mlx5/core/
H A Den_selftest.c85 struct udphdr *udph; in mlx5e_test_get_udp_skb() local
106 udph = skb_put(skb, sizeof(struct udphdr)); in mlx5e_test_get_udp_skb()
114 udph->source = htons(9); in mlx5e_test_get_udp_skb()
115 udph->dest = htons(9); /* Discard Protocol */ in mlx5e_test_get_udp_skb()
116 udph->len = htons(sizeof(struct mlx5ehdr) + sizeof(struct udphdr)); in mlx5e_test_get_udp_skb()
117 udph->check = 0; in mlx5e_test_get_udp_skb()
166 struct udphdr *udph; in mlx5e_test_loopback_validate() local
185 udph = (struct udphdr *)((u8 *)iph + 4 * iph->ihl); in mlx5e_test_loopback_validate()
186 if (udph->dest != htons(9)) in mlx5e_test_loopback_validate()
189 mlxh = (struct mlx5ehdr *)((char *)udph + sizeof(*udph)); in mlx5e_test_loopback_validate()
/linux-6.15/tools/testing/selftests/bpf/
H A Dnetwork_helpers.h225 const struct udphdr *udph) in build_udp_v4_csum() argument
229 sum = csum_partial(udph, ntohs(udph->len), 0); in build_udp_v4_csum()
230 return csum_tcpudp_magic(iph->saddr, iph->daddr, ntohs(udph->len), in build_udp_v4_csum()
245 const struct udphdr *udph) in build_udp_v6_csum() argument
249 sum = csum_partial(udph, ntohs(udph->len), 0); in build_udp_v6_csum()
250 return csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, ntohs(udph->len), in build_udp_v6_csum()
H A Dxdp_hw_metadata.c358 struct udphdr *udph; in ping_pong() local
384 udph = (void *)(iph + 1); in ping_pong()
387 udph = (void *)(ip6h + 1); in ping_pong()
405 swap(&udph->source, &udph->dest, 2); in ping_pong()
407 want_csum = udph->check; in ping_pong()
409 udph->check = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, in ping_pong()
410 ntohs(udph->len), IPPROTO_UDP, 0); in ping_pong()
412 udph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, in ping_pong()
413 ntohs(udph->len), IPPROTO_UDP, 0); in ping_pong()
423 xsk, ntohs(udph->check), ntohs(want_csum), in ping_pong()
/linux-6.15/net/netfilter/
H A Dnf_nat_helper.c145 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()
H A Dnf_flow_table_ip.c55 struct udphdr *udph; in nf_flow_nat_ip_udp() local
57 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ip_udp()
58 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_ip_udp()
59 inet_proto_csum_replace4(&udph->check, skb, addr, in nf_flow_nat_ip_udp()
61 if (!udph->check) in nf_flow_nat_ip_udp()
62 udph->check = CSUM_MANGLED_0; in nf_flow_nat_ip_udp()
495 struct udphdr *udph; in nf_flow_nat_ipv6_udp() local
497 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ipv6_udp()
498 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_ipv6_udp()
501 if (!udph->check) in nf_flow_nat_ipv6_udp()
[all …]
H A Dnf_flow_table_core.c612 struct udphdr *udph; in nf_flow_nat_port_udp() local
614 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_port_udp()
615 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_port_udp()
616 inet_proto_csum_replace2(&udph->check, skb, port, in nf_flow_nat_port_udp()
618 if (!udph->check) in nf_flow_nat_port_udp()
619 udph->check = CSUM_MANGLED_0; in nf_flow_nat_port_udp()
/linux-6.15/tools/testing/selftests/bpf/prog_tests/
H A Dxdp_metadata.c140 struct udphdr *udph; in generate_packet() local
162 udph = (void *)(iph + 1); in generate_packet()
180 udph->source = htons(UDP_SOURCE_PORT); in generate_packet()
181 udph->dest = htons(dst_port); in generate_packet()
182 udph->len = htons(sizeof(*udph) + UDP_PAYLOAD_BYTES); in generate_packet()
183 udph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, in generate_packet()
184 ntohs(udph->len), IPPROTO_UDP, 0); in generate_packet()
186 memset(udph + 1, 0xAA, UDP_PAYLOAD_BYTES); in generate_packet()
264 struct udphdr *udph; in verify_xsk_metadata() local
301 udph = (void *)(iph + 1); in verify_xsk_metadata()
[all …]
H A Dflow_dissector_classification.c169 struct udphdr *udph = header; in build_udp_header() local
170 int len = sizeof(*udph) + payload_len; in build_udp_header()
172 udph->source = htons(sport); in build_udp_header()
173 udph->dest = htons(dport); in build_udp_header()
174 udph->len = htons(len); in build_udp_header()
175 udph->check = 0; in build_udp_header()
177 udph->check = build_udp_v4_csum(header - sizeof(struct iphdr), in build_udp_header()
178 udph); in build_udp_header()
180 udph->check = build_udp_v6_csum(header - sizeof(struct ipv6hdr), in build_udp_header()
181 udph); in build_udp_header()
/linux-6.15/net/core/
H A Dnetpoll.c403 struct udphdr *udph; in netpoll_send_udp() local
412 udp_len = len + sizeof(*udph); in netpoll_send_udp()
428 skb_push(skb, sizeof(*udph)); in netpoll_send_udp()
430 udph = udp_hdr(skb); in netpoll_send_udp()
432 udph->dest = htons(np->remote_port); in netpoll_send_udp()
433 udph->len = htons(udp_len); in netpoll_send_udp()
440 if (udph->check == 0) in netpoll_send_udp()
441 udph->check = CSUM_MANGLED_0; in netpoll_send_udp()
463 udph->check = 0; in netpoll_send_udp()
468 if (udph->check == 0) in netpoll_send_udp()
[all …]
/linux-6.15/drivers/infiniband/sw/rxe/
H A Drxe_icrc.c39 struct udphdr *udph; in rxe_icrc_hdr() local
61 udph = (struct udphdr *)(ip4h + 1); in rxe_icrc_hdr()
69 udph = (struct udphdr *)(ip6h + 1); in rxe_icrc_hdr()
75 udph->check = CSUM_MANGLED_0; in rxe_icrc_hdr()
H A Drxe_net.c136 struct udphdr *udph; in rxe_udp_encap_recv() local
155 udph = udp_hdr(skb); in rxe_udp_encap_recv()
158 pkt->hdr = (u8 *)(udph + 1); in rxe_udp_encap_recv()
160 pkt->paylen = be16_to_cpu(udph->len) - sizeof(*udph); in rxe_udp_encap_recv()
214 struct udphdr *udph; in prepare_udp_hdr() local
216 __skb_push(skb, sizeof(*udph)); in prepare_udp_hdr()
218 udph = udp_hdr(skb); in prepare_udp_hdr()
220 udph->dest = dst_port; in prepare_udp_hdr()
221 udph->source = src_port; in prepare_udp_hdr()
222 udph->len = htons(skb->len); in prepare_udp_hdr()
[all …]
/linux-6.15/drivers/net/
H A Damt.c616 struct udphdr *udph; in amt_send_discovery() local
665 udph = udp_hdr(skb); in amt_send_discovery()
668 udph->len = htons(sizeof(*udph) + sizeof(*amtd)); in amt_send_discovery()
669 udph->check = 0; in amt_send_discovery()
705 struct udphdr *udph; in amt_send_request() local
756 udph = udp_hdr(skb); in amt_send_request()
759 udph->len = htons(sizeof(*amtrh) + sizeof(*udph)); in amt_send_request()
760 udph->check = 0; in amt_send_request()
2605 udph->dest = dport; in amt_send_advertisement()
2606 udph->len = htons(sizeof(*amta) + sizeof(*udph)); in amt_send_advertisement()
[all …]
/linux-6.15/drivers/net/netdevsim/
H A Dpsample.c42 struct udphdr *udph; in nsim_dev_psample_skb_build() local
73 udph = skb_put_zero(skb, sizeof(struct udphdr) + data_len); in nsim_dev_psample_skb_build()
74 get_random_bytes(&udph->source, sizeof(u16)); in nsim_dev_psample_skb_build()
75 get_random_bytes(&udph->dest, sizeof(u16)); in nsim_dev_psample_skb_build()
76 udph->len = htons(sizeof(struct udphdr) + data_len); in nsim_dev_psample_skb_build()
/linux-6.15/tools/testing/selftests/net/lib/
H A Dcsum.c638 struct udphdr *udph = th; in recv_verify_packet_udp() local
640 if (len < sizeof(*udph)) in recv_verify_packet_udp()
643 if (udph->dest != htons(cfg_port_dst)) in recv_verify_packet_udp()
646 if (udph->source == htons(cfg_port_src_encap)) in recv_verify_packet_udp()
647 return recv_verify_packet_udp_encap(udph + 1, in recv_verify_packet_udp()
648 len - sizeof(*udph)); in recv_verify_packet_udp()
650 return recv_verify_csum(th, len, ntohs(udph->source), udph->check); in recv_verify_packet_udp()

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