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Searched refs:udph (Results 1 – 25 of 38) sorted by relevance

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/linux/tools/testing/selftests/net/lib/
H A Dxdp_native.bpf.c73 struct udphdr *udph = NULL; in filter_udphdr() local
92 sizeof(*udph)); in filter_udphdr()
105 udph = data + sizeof(*iph) + sizeof(*eth); in filter_udphdr()
110 sizeof(*udph)); in xdp_mode_pass()
123 udph = data + sizeof(*ipv6h) + sizeof(*eth); in xdp_mode_drop_handler()
128 if (udph + 1 > (struct udphdr *)data_end) in xdp_mode_drop_handler()
131 if (udph->dest != bpf_htons(port)) in xdp_mode_drop_handler()
136 return udph; in swap_machdr()
141 struct udphdr *udph = NULL; in swap_machdr()
143 udph in swap_machdr()
112 struct udphdr *udph = NULL; xdp_mode_pass() local
125 struct udphdr *udph = NULL; xdp_mode_drop_handler() local
150 struct udphdr *udph = NULL; xdp_mode_tx_handler() local
216 struct udphdr *udph = NULL; update_pkt() local
280 struct udphdr *udph = NULL; xdp_adjst_tail_shrnk_data() local
316 struct udphdr *udph; xdp_adjst_tail_grow_data() local
365 struct udphdr *udph = NULL; xdp_adjst_tail() local
403 struct udphdr *udph; xdp_adjst_head_shrnk_data() local
464 struct udphdr *udph; xdp_adjst_head_grow_data() local
[all...]
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()
/linux/net/netfilter/ipvs/
H A Dip_vs_proto_udp.c139 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 …]
/linux/net/sched/
H A Dact_csum.c258 struct udphdr *udph; in tcf_csum_ipv4_udp() local
272 udph = tcf_csum_skb_nextlayer(skb, ihl, ipl, sizeof(*udph)); in tcf_csum_ipv4_udp()
273 if (udph == NULL) in tcf_csum_ipv4_udp()
277 ul = ntohs(udph->len); in tcf_csum_ipv4_udp()
279 if (udplite || udph->check) { in tcf_csum_ipv4_udp()
281 udph->check = 0; in tcf_csum_ipv4_udp()
285 skb->csum = csum_partial(udph, ipl - ihl, 0); in tcf_csum_ipv4_udp()
286 else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl)) in tcf_csum_ipv4_udp()
287 skb->csum = csum_partial(udph, ul, 0); in tcf_csum_ipv4_udp()
294 skb->csum = csum_partial(udph, ul, 0); in tcf_csum_ipv4_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/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/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()
H A Dtest_tc_tunnel.c597 struct udphdr udph; in __encap_ip6vxlan_eth()
637 if (bpf_skb_load_bytes(skb, off + len, &udph, sizeof(udph)) < 0) in decap_internal()
639 switch (bpf_ntohs(udph.dest)) { in decap_internal()
605 struct udphdr udph; decap_internal() local
/linux/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/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 Dtxtimestamp.c421 static uint16_t get_udp_csum(const struct udphdr *udph, int alen) in get_ip_csum()
424 const void *csum_start = udph; in get_udp_csum()
427 pseudo_sum += udph->len; in get_udp_csum()
431 csum_len = ntohs(udph->len) + alen * 2; in get_udp_csum()
475 struct udphdr *udph = p; in fill_header_udp()
477 udph->source = ntohs(dest_port + 1); /* spoof */ in fill_header_udp() local
478 udph->dest = ntohs(dest_port); in fill_header_udp()
479 udph->len = ntohs(sizeof(*udph) + cfg_payload_len); in fill_header_udp()
480 udph in fill_header_udp()
423 get_udp_csum(const struct udphdr * udph,int alen) get_udp_csum() argument
[all...]
H A Dtap.c279 struct udphdr *udph = (struct udphdr *)buf; in build_udp_packet() local
280 int len = sizeof(*udph) + payload_len; in build_udp_packet()
283 udph->source = htons(22); in build_udp_packet()
284 udph->dest = htons(58822); in build_udp_packet()
285 udph->len = htons(len); in build_udp_packet()
290 sum += htons(IPPROTO_UDP) + udph->len; in build_udp_packet()
295 udph->check = finish_ip_csum(sum); in build_udp_packet()
297 return sizeof(*udph) + payload_len; in build_udp_packet()
/linux/tools/testing/selftests/bpf/
H A Dnetwork_helpers.h219 * @udph UDP header, which must be immediately followed by UDP data in build_udp_v4_csum()
225 const struct udphdr *udph)
229 sum = csum_partial(udph, ntohs(udph->len), 0);
230 return csum_tcpudp_magic(iph->saddr, iph->daddr, ntohs(udph->len),
240 * @udph UDP header, which must be immediately followed by UDP data
245 const struct udphdr *udph)
249 sum = csum_partial(udph, ntohs(udph->len), 0); in traffic_monitor_start()
250 return csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr, ntohs(udph in traffic_monitor_start()
212 build_udp_v4_csum(const struct iphdr * iph,const struct udphdr * udph) build_udp_v4_csum() argument
232 build_udp_v6_csum(const struct ipv6hdr * ip6h,const struct udphdr * udph) build_udp_v6_csum() argument
[all...]
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/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.c58 struct udphdr *udph; in nf_flow_nat_ip_udp() local
60 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ip_udp()
61 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_ip_udp()
62 inet_proto_csum_replace4(&udph->check, skb, addr, in nf_flow_nat_ip_udp()
64 if (!udph->check) in nf_flow_nat_ip_udp()
65 udph->check = CSUM_MANGLED_0; in nf_flow_nat_ip_udp()
935 struct udphdr *udph; in nf_flow_nat_ipv6_udp() local
937 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_ipv6_udp()
938 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_ipv6_udp()
939 inet_proto_csum_replace16(&udph->check, skb, addr->s6_addr32, in nf_flow_nat_ipv6_udp()
[all …]
H A Dnf_flow_table_core.c617 struct udphdr *udph; in nf_flow_nat_port_udp() local
619 udph = (void *)(skb_network_header(skb) + thoff); in nf_flow_nat_port_udp()
620 if (udph->check || skb->ip_summed == CHECKSUM_PARTIAL) { in nf_flow_nat_port_udp()
621 inet_proto_csum_replace2(&udph->check, skb, port, in nf_flow_nat_port_udp()
623 if (!udph->check) in nf_flow_nat_port_udp()
624 udph->check = CSUM_MANGLED_0; in nf_flow_nat_port_udp()
/linux/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()
171 iph->tot_len = htons(sizeof(*iph) + sizeof(*udph) + UDP_PAYLOAD_BYTES); 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()
192 tx_desc->len = sizeof(*eth) + sizeof(*iph) + sizeof(*udph) + UDP_PAYLOAD_BYTES; in generate_packet()
[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/net/core/
H A Dnetpoll.c375 struct udphdr *udph; in netpoll_udp_checksum() local
379 udph = udp_hdr(skb); in netpoll_udp_checksum()
382 udph->check = 0; in netpoll_udp_checksum()
384 udph->check = csum_ipv6_magic(&np->local_ip.in6, in netpoll_udp_checksum()
387 csum_partial(udph, udp_len, 0)); in netpoll_udp_checksum()
389 udph->check = csum_tcpudp_magic(np->local_ip.ip, in netpoll_udp_checksum()
392 csum_partial(udph, udp_len, 0)); in netpoll_udp_checksum()
393 if (udph->check == 0) in netpoll_udp_checksum()
394 udph->check = CSUM_MANGLED_0; in netpoll_udp_checksum()
466 struct udphdr *udph; in push_udp() local
[all …]
/linux/drivers/net/
H A Damt.c618 struct udphdr *udph; in amt_send_discovery() local
646 len = hlen + tlen + sizeof(*iph) + sizeof(*udph) + sizeof(*amtd); in amt_send_discovery()
657 len = sizeof(*iph) + sizeof(*udph) + sizeof(*amtd); in amt_send_discovery()
660 amtd = skb_pull(skb, sizeof(*iph) + sizeof(*udph)); in amt_send_discovery()
665 skb_push(skb, sizeof(*udph)); in amt_send_discovery()
667 udph = udp_hdr(skb); in amt_send_discovery()
668 udph->source = amt->gw_port; in amt_send_discovery()
669 udph->dest = amt->relay_port; in amt_send_discovery()
670 udph->len = htons(sizeof(*udph) + sizeof(*amtd)); in amt_send_discovery()
671 udph->check = 0; in amt_send_discovery()
[all …]
/linux/net/ipv4/
H A Dipconfig.c629 struct udphdr udph; /* UDP header */ member
848 b->udph.source = htons(68); in ic_bootp_send_if()
849 b->udph.dest = htons(67); in ic_bootp_send_if()
850 b->udph.len = htons(sizeof(struct bootp_pkt) - sizeof(struct iphdr)); in ic_bootp_send_if()
1025 if (b->udph.source != htons(67) || b->udph.dest != htons(68)) in ic_bootp_recv()
1028 if (ntohs(h->tot_len) < ntohs(b->udph.len) + sizeof(struct iphdr)) in ic_bootp_recv()
1031 len = ntohs(b->udph.len) - sizeof(struct udphdr); in ic_bootp_recv()

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