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Searched refs:iphdr (Results 1 – 25 of 424) sorted by relevance

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/linux/tools/testing/selftests/net/
H A Dip_defrag.c29 #define IP4_HLEN (sizeof(struct iphdr))
101 static uint16_t udp_checksum(struct ip *iphdr, struct udphdr *udphdr) in udp_checksum() argument
106 sum = raw_checksum((uint8_t *)&iphdr->ip_src, 2 * sizeof(iphdr->ip_src), in udp_checksum()
117 static uint16_t udp6_checksum(struct ip6_hdr *iphdr, struct udphdr *udphdr) in udp6_checksum() argument
122 sum = raw_checksum((uint8_t *)&iphdr->ip6_src, 2 * sizeof(iphdr->ip6_src), in udp6_checksum()
176 struct ip *iphdr = (struct ip *)ip_frame; in send_fragment() local
180 iphdr->ip_off = htons(offset / 8); in send_fragment()
183 iphdr->ip_off = htons(offset / 8 | IP4_MF); in send_fragment()
185 iphdr->ip_len = htons(frag_len); in send_fragment()
206 struct ip *iphdr = (struct ip *)ip_frame; in send_udp_frags() local
[all …]
H A Dnat6to4.bpf.c77 if (bpf_ntohs(ip6->payload_len) > 0xFFFF - sizeof(struct iphdr)) in sched_cls_ingress6_nat_6_prog()
94 struct iphdr ip = { in sched_cls_ingress6_nat_6_prog()
96 .ihl = sizeof(struct iphdr) / sizeof(__u32), // u4 in sched_cls_ingress6_nat_6_prog()
98 .tot_len = bpf_htons(bpf_ntohs(ip6->payload_len) + sizeof(struct iphdr)), // u16 in sched_cls_ingress6_nat_6_prog()
136 if (data + l2_header_size + sizeof(struct iphdr) > data_end) in sched_cls_ingress6_nat_6_prog()
145 *(struct iphdr *)(new_eth + 1) = ip; in sched_cls_ingress6_nat_6_prog()
156 const struct iphdr *const ip4 = (void *)(eth + 1); in sched_cls_egress4_snat4_prog()
/linux/include/linux/
H A Dip.h19 static inline struct iphdr *ip_hdr(const struct sk_buff *skb) in ip_hdr()
21 return (struct iphdr *)skb_network_header(skb); in ip_hdr()
24 static inline struct iphdr *inner_ip_hdr(const struct sk_buff *skb) in inner_ip_hdr()
26 return (struct iphdr *)skb_inner_network_header(skb); in inner_ip_hdr()
29 static inline struct iphdr *ipip_hdr(const struct sk_buff *skb) in ipip_hdr()
31 return (struct iphdr *)skb_transport_header(skb); in ipip_hdr()
39 static inline unsigned int iph_totlen(const struct sk_buff *skb, const struct iphdr *iph) in iph_totlen()
55 static inline void iph_set_totlen(struct iphdr *iph, unsigned int len) in iph_set_totlen()
/linux/net/ipv4/netfilter/
H A Dnf_reject_ipv4.c15 static struct iphdr *nf_reject_iphdr_put(struct sk_buff *nskb,
26 struct iphdr *iph; in nf_reject_iphdr_validate()
29 if (!pskb_may_pull(skb, sizeof(struct iphdr))) in nf_reject_iphdr_validate()
55 struct iphdr *niph; in nf_reject_skb_v4_tcp_reset()
65 nskb = alloc_skb(sizeof(struct iphdr) + sizeof(struct tcphdr) + in nf_reject_skb_v4_tcp_reset()
85 const struct iphdr *iph = ip_hdr(skb); in nf_skb_is_icmp_unreach()
110 struct iphdr *niph; in nf_reject_skb_v4_unreach()
145 nskb = alloc_skb(sizeof(struct iphdr) + sizeof(struct icmphdr) + in nf_reject_skb_v4_unreach()
202 static struct iphdr *nf_reject_iphdr_put(struct sk_buff *nskb, in nf_reject_iphdr_put()
206 struct iphdr *niph, *oiph = ip_hdr(oldskb); in nf_reject_iphdr_put()
[all …]
/linux/tools/testing/selftests/bpf/progs/
H A Dtest_btf_skc_cls_ingress.c23 static void test_syncookie_helper(void *iphdr, int iphdr_size, in test_syncookie_helper() argument
43 mss_cookie = bpf_tcp_gen_syncookie(tp, iphdr, iphdr_size, in test_syncookie_helper()
54 int ret = bpf_tcp_check_syncookie(tp, iphdr, iphdr_size, in test_syncookie_helper()
71 void *data_end, *iphdr; in handle_ip_tcp() local
73 struct iphdr *ip4h; in handle_ip_tcp()
81 ip4h = (struct iphdr *)(eth + 1); in handle_ip_tcp()
94 iphdr = ip4h; in handle_ip_tcp()
111 iphdr = ip6h; in handle_ip_tcp()
164 test_syncookie_helper(iphdr, iphdr_size, th, tp, skb); in handle_ip_tcp()
H A Dskb_pkt_end.c13 #define ETH_IPV4_TCP_SIZE (14 + sizeof(struct iphdr) + sizeof(struct tcphdr))
15 static INLINE struct iphdr *get_iphdr(struct __sk_buff *skb) in get_iphdr()
17 struct iphdr *ip = NULL; in get_iphdr()
33 struct iphdr *ip = NULL; in main_prog()
57 offset = sizeof(struct ethhdr) + offsetof(struct iphdr, protocol); in main_prog()
H A Dtest_cls_redirect_dynptr.c119 static bool ipv4_is_fragment(const struct iphdr *ip) in ipv4_is_fragment()
125 static int pkt_parse_ipv4(struct bpf_dynptr *dynptr, __u64 *offset, struct iphdr *iphdr) in pkt_parse_ipv4() argument
127 if (bpf_dynptr_read(iphdr, sizeof(*iphdr), dynptr, *offset, 0)) in pkt_parse_ipv4()
130 *offset += sizeof(*iphdr); in pkt_parse_ipv4()
132 if (iphdr->ihl < 5) in pkt_parse_ipv4()
136 *offset += (iphdr->ihl - 5) * 4; in pkt_parse_ipv4()
168 static void pkt_ipv4_checksum(struct iphdr *iph) in pkt_ipv4_checksum()
177 _Static_assert(sizeof(struct iphdr) == 20, "iphdr must be 20 bytes"); in pkt_ipv4_checksum()
181 for (size_t i = 0; i < sizeof(struct iphdr) / 2; i++) in pkt_ipv4_checksum()
301 payload_off - sizeof(struct ethhdr) - sizeof(struct iphdr); in forward_with_gre()
[all …]
H A Dtest_cls_redirect.c199 static INLINING bool pkt_skip_ipv4_options(buf_t *buf, const struct iphdr *ipv4) in pkt_skip_ipv4_options()
208 static INLINING bool ipv4_is_fragment(const struct iphdr *ip) in ipv4_is_fragment()
214 static __always_inline struct iphdr *pkt_parse_ipv4(buf_t *pkt, struct iphdr *scratch) in pkt_parse_ipv4()
216 struct iphdr *ipv4 = buf_assign(pkt, sizeof(*ipv4), scratch); in pkt_parse_ipv4()
258 static INLINING void pkt_ipv4_checksum(struct iphdr *iph) in pkt_ipv4_checksum()
267 _Static_assert(sizeof(struct iphdr) == 20, "iphdr must be 20 bytes"); in pkt_ipv4_checksum()
272 for (size_t i = 0; i < sizeof(struct iphdr) / 2; i++) { in pkt_ipv4_checksum()
409 payload_off - sizeof(struct ethhdr) - sizeof(struct iphdr); in forward_with_gre()
451 skb, payload_off + offsetof(struct iphdr, ttl), &ttl, in forward_with_gre()
468 skb, payload_off + offsetof(struct iphdr, check), ttl, in forward_with_gre()
[all …]
H A Dtest_tc_change_tail.c12 static __always_inline struct iphdr *parse_ip_header(struct __sk_buff *skb, int *ip_proto) in parse_ip_header()
17 struct iphdr *iph; in parse_ip_header()
41 static __always_inline struct udphdr *parse_udp_header(struct __sk_buff *skb, struct iphdr *iph) in parse_udp_header()
63 struct iphdr *iph; in change_tail()
H A Dtest_xdp_noinline.c225 off += sizeof(struct iphdr); in calc_offset()
227 off += sizeof(struct icmphdr) + sizeof(struct iphdr); in calc_offset()
339 struct iphdr *iph; in encap_v4()
346 if (bpf_xdp_adjust_head(xdp, 0 - (int)sizeof(struct iphdr))) in encap_v4()
352 old_eth = data + sizeof(struct iphdr); in encap_v4()
365 iph->tot_len = bpf_htons(pkt_bytes + sizeof(struct iphdr)); in encap_v4()
375 for (int i = 0; i < sizeof(struct iphdr) >> 1; i++) in encap_v4()
378 if (bpf_xdp_adjust_head(xdp, (int)sizeof(struct iphdr))) in encap_v4()
406 struct iphdr *iph; in send_icmp_reply()
411 + sizeof(struct iphdr) + sizeof(struct icmphdr) > data_end) in send_icmp_reply()
[all …]
/linux/samples/bpf/
H A Dtcbpf1_kern.c21 #define IP_CSUM_OFF (ETH_HLEN + offsetof(struct iphdr, check))
22 #define TOS_OFF (ETH_HLEN + offsetof(struct iphdr, tos))
32 #define TCP_CSUM_OFF (ETH_HLEN + sizeof(struct iphdr) + offsetof(struct tcphdr, check))
33 #define IP_SRC_OFF (ETH_HLEN + offsetof(struct iphdr, saddr))
46 #define TCP_DPORT_OFF (ETH_HLEN + sizeof(struct iphdr) + offsetof(struct tcphdr, dest))
58 __u8 proto = load_byte(skb, ETH_HLEN + offsetof(struct iphdr, protocol)); in bpf_prog1()
H A Dparse_ldabs.c23 return load_half(ctx, nhoff + offsetof(struct iphdr, frag_off)) in ip_is_fragment()
30 __u64 troff = ETH_HLEN + sizeof(struct iphdr); in handle_ingress()
34 if (load_byte(skb, ETH_HLEN + offsetof(struct iphdr, protocol)) != IPPROTO_UDP || in handle_ingress()
H A Dtcp_tos_reflect_kern.c28 struct iphdr *hdr; in bpf_basertt()
47 hdr_size = sizeof(struct iphdr); in bpf_basertt()
54 hdr = (struct iphdr *) header; in bpf_basertt()
H A Dtest_lwt_bpf.c64 struct iphdr *iph = data; in do_test_data()
76 #define IP_CSUM_OFF offsetof(struct iphdr, check)
77 #define IP_DST_OFF offsetof(struct iphdr, daddr)
78 #define IP_SRC_OFF offsetof(struct iphdr, saddr)
79 #define IP_PROTO_OFF offsetof(struct iphdr, protocol)
H A Dxdp_adjust_tail_kern.c73 int headroom = (int)sizeof(struct iphdr) + (int)sizeof(struct icmphdr); in send_icmp4_too_big()
83 struct iphdr *iph, *orig_iph; in send_icmp4_too_big()
93 off += sizeof(struct iphdr); in send_icmp4_too_big()
114 ipv4_csum(iph, sizeof(struct iphdr), &csum); in send_icmp4_too_big()
/linux/tools/testing/selftests/drivers/net/
H A Dgro.c147 next_off = sizeof(struct iphdr) + offsetof(struct iphdr, protocol); in setup_sock_filter()
149 next_off = offsetof(struct iphdr, protocol); in setup_sock_filter()
281 struct iphdr *iph = buf; in fill_networklayer()
302 payload_len + sizeof(struct iphdr)); in fill_networklayer()
308 iph->check = checksum_fold(buf, sizeof(struct iphdr), 0); in fill_networklayer()
352 fill_networklayer(buf + ETH_HLEN, payload_len + sizeof(struct iphdr), in create_packet()
354 fill_networklayer(buf + ETH_HLEN + sizeof(struct iphdr), in create_packet()
473 struct iphdr *iph = (struct iphdr *)(buf + ETH_HLEN); in recompute_packet()
485 iph->check = checksum_fold(iph, sizeof(struct iphdr), 0); in recompute_packet()
491 iph->check = checksum_fold(iph, sizeof(struct iphdr), 0); in recompute_packet()
[all …]
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dflow_dissector.c20 struct iphdr iph;
26 struct iphdr iph;
27 struct iphdr iph_inner;
35 struct iphdr iph;
74 struct iphdr iph;
76 struct iphdr iph_inner;
112 .thoff = ETH_HLEN + sizeof(struct iphdr),
156 .thoff = ETH_HLEN + VLAN_HLEN + sizeof(struct iphdr),
204 .thoff = ETH_HLEN + sizeof(struct iphdr),
230 .thoff = ETH_HLEN + sizeof(struct iphdr),
[all …]
/linux/include/net/
H A Dinet_ecn.h91 static inline int IP_ECN_set_ce(struct iphdr *iph) in IP_ECN_set_ce()
119 static inline int IP_ECN_set_ect1(struct iphdr *iph) in IP_ECN_set_ect1()
129 static inline void IP_ECN_clear(struct iphdr *iph) in IP_ECN_clear()
134 static inline void ipv4_copy_dscp(unsigned int dscp, struct iphdr *inner) in ipv4_copy_dscp()
190 if (skb_network_header(skb) + sizeof(struct iphdr) <= in INET_ECN_set_ce()
209 if (!pskb_network_may_pull(skb, sizeof(struct iphdr))) in skb_get_dsfield()
226 if (skb_network_header(skb) + sizeof(struct iphdr) <= in INET_ECN_set_ect1()
300 static inline int IP_ECN_decapsulate(const struct iphdr *oiph, in IP_ECN_decapsulate()
H A Dip_vs.h72 int hdr_flags, struct ip_vs_iphdr *iphdr) in ip_vs_fill_iph_skb_off() argument
74 iphdr->hdr_flags = hdr_flags; in ip_vs_fill_iph_skb_off()
75 iphdr->off = offset; in ip_vs_fill_iph_skb_off()
85 iphdr->saddr.in6 = iph->saddr; in ip_vs_fill_iph_skb_off()
86 iphdr->daddr.in6 = iph->daddr; in ip_vs_fill_iph_skb_off()
88 iphdr->len = offset; in ip_vs_fill_iph_skb_off()
89 iphdr->flags = 0; in ip_vs_fill_iph_skb_off()
90 iphdr->protocol = ipv6_find_hdr(skb, &iphdr->len, -1, in ip_vs_fill_iph_skb_off()
91 &iphdr->fragoffs, in ip_vs_fill_iph_skb_off()
92 &iphdr->flags); in ip_vs_fill_iph_skb_off()
[all …]
/linux/drivers/net/ethernet/qualcomm/rmnet/
H A Drmnet_map_data.c37 struct iphdr *ip4h = (struct iphdr *)skb->data; in rmnet_map_ipv4_dl_csum_trailer()
167 static void rmnet_map_complement_ipv4_txporthdr_csum_field(struct iphdr *ip4h) in rmnet_map_complement_ipv4_txporthdr_csum_field()
181 rmnet_map_ipv4_ul_csum_header(struct iphdr *iphdr, in rmnet_map_ipv4_ul_csum_header() argument
188 if (iphdr->protocol == IPPROTO_UDP) in rmnet_map_ipv4_ul_csum_header()
197 rmnet_map_complement_ipv4_txporthdr_csum_field(iphdr); in rmnet_map_ipv4_ul_csum_header()
262 u16 ip_len = ((struct iphdr *)iph)->ihl * 4; in rmnet_map_v5_checksum_uplink_packet()
264 proto = ((struct iphdr *)iph)->protocol; in rmnet_map_v5_checksum_uplink_packet()
436 void *iphdr; in rmnet_map_v4_checksum_uplink_packet() local
448 iphdr = (char *)ul_header + in rmnet_map_v4_checksum_uplink_packet()
452 rmnet_map_ipv4_ul_csum_header(iphdr, ul_header, skb); in rmnet_map_v4_checksum_uplink_packet()
[all …]
/linux/net/ipv4/
H A Dah4.c77 static int ip_clear_mutable_options(const struct iphdr *iph, __be32 *daddr) in ip_clear_mutable_options()
80 int l = iph->ihl*4 - sizeof(struct iphdr); in ip_clear_mutable_options()
120 struct iphdr *iph; in ah_output_done()
124 struct iphdr *top_iph = ip_hdr(skb); in ah_output_done()
137 memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr)); in ah_output_done()
154 struct iphdr *iph, *top_iph; in ah_output()
197 memcpy(iph+1, top_iph+1, top_iph->ihl*4 - sizeof(struct iphdr)); in ah_output()
253 memcpy(top_iph+1, iph+1, top_iph->ihl*4 - sizeof(struct iphdr)); in ah_output()
266 struct iphdr *work_iph; in ah_input_done()
312 struct iphdr *iph, *work_iph; in ah_input()
[all …]
H A Dip_options.c50 memcpy(iph + sizeof(struct iphdr), opt->__data, opt->optlen); in ip_options_build()
95 dopt->rr = dopt->optlen + sizeof(struct iphdr); in __ip_options_echo()
109 dopt->ts = dopt->optlen + sizeof(struct iphdr); in __ip_options_echo()
170 dopt->srr = dopt->optlen + sizeof(struct iphdr); in __ip_options_echo()
177 dopt->cipso = dopt->optlen+sizeof(struct iphdr); in __ip_options_echo()
197 unsigned char *optptr = skb_network_header(skb) + sizeof(struct iphdr); in ip_options_fragment()
257 iph = optptr - sizeof(struct iphdr); in __ip_options_compile()
485 unsigned char *optptr = opt->__data + opt->srr - sizeof(struct iphdr); in ip_options_undo()
491 unsigned char *optptr = opt->__data + opt->rr - sizeof(struct iphdr); in ip_options_undo()
497 unsigned char *optptr = opt->__data + opt->ts - sizeof(struct iphdr); in ip_options_undo()
[all …]
/linux/drivers/net/wireguard/selftest/
H A Dratelimiter.c33 static __init int timings_test(struct sk_buff *skb4, struct iphdr *hdr4, in timings_test()
97 static __init int capacity_test(struct sk_buff *skb4, struct iphdr *hdr4, in capacity_test()
124 struct iphdr *hdr4; in wg_ratelimiter_selftest()
147 skb4 = alloc_skb(sizeof(struct iphdr), GFP_KERNEL); in wg_ratelimiter_selftest()
151 hdr4 = (struct iphdr *)skb_put(skb4, sizeof(*hdr4)); in wg_ratelimiter_selftest()
/linux/net/netfilter/
H A Dxt_DSCP.c36 if (skb_ensure_writable(skb, sizeof(struct iphdr))) in dscp_tg()
75 struct iphdr *iph = ip_hdr(skb); in tos_tg()
82 if (skb_ensure_writable(skb, sizeof(struct iphdr))) in tos_tg()
102 if (skb_ensure_writable(skb, sizeof(struct iphdr))) in tos_tg6()
/linux/arch/powerpc/platforms/ps3/
H A Dgelic_udbg.c63 static __iomem struct iphdr *h_ip;
163 h_ip = (struct iphdr *)(h_vlan + 1); in gelic_debug_init()
166 h_ip = (struct iphdr *)(h_eth + 1); in gelic_debug_init()
169 header_size += sizeof(struct iphdr); in gelic_debug_init()
201 sizeof(struct iphdr); in gelic_sendbuf()

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