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Searched refs:greh (Results 1 – 14 of 14) sorted by relevance

/Linux-v6.1/net/ipv4/
Dgre_offload.c70 struct gre_base_hdr *greh; in gre_gso_segment() local
90 greh = (struct gre_base_hdr *)skb_transport_header(skb); in gre_gso_segment()
91 pcsum = (__sum16 *)(greh + 1); in gre_gso_segment()
114 skb->csum_offset = sizeof(*greh); in gre_gso_segment()
126 const struct gre_base_hdr *greh; in gre_gro_receive() local
139 hlen = off + sizeof(*greh); in gre_gro_receive()
140 greh = skb_gro_header(skb, hlen, off); in gre_gro_receive()
141 if (unlikely(!greh)) in gre_gro_receive()
150 if ((greh->flags & ~(GRE_KEY|GRE_CSUM)) != 0) in gre_gro_receive()
158 if ((greh->flags & GRE_CSUM) && NAPI_GRO_CB(skb)->is_fou) in gre_gro_receive()
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Dgre_demux.c65 const struct gre_base_hdr *greh; in gre_parse_header() local
72 greh = (struct gre_base_hdr *)(skb->data + nhs); in gre_parse_header()
73 if (unlikely(greh->flags & (GRE_VERSION | GRE_ROUTING))) in gre_parse_header()
76 tpi->flags = gre_flags_to_tnl_flags(greh->flags); in gre_parse_header()
82 greh = (struct gre_base_hdr *)(skb->data + nhs); in gre_parse_header()
83 tpi->proto = greh->protocol; in gre_parse_header()
85 options = (__be32 *)(greh + 1); in gre_parse_header()
86 if (greh->flags & GRE_CSUM) { in gre_parse_header()
98 if (greh->flags & GRE_KEY) { in gre_parse_header()
104 if (unlikely(greh->flags & GRE_SEQ)) { in gre_parse_header()
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Dip_gre.c850 struct gre_base_hdr *greh; in ipgre_header() local
853 greh = (struct gre_base_hdr *)(iph+1); in ipgre_header()
854 greh->flags = gre_tnl_flags_to_gre_flags(t->parms.o_flags); in ipgre_header()
855 greh->protocol = htons(type); in ipgre_header()
/Linux-v6.1/include/net/
Dgre.h113 struct gre_base_hdr *greh; in gre_build_header() local
119 greh = (struct gre_base_hdr *)skb->data; in gre_build_header()
120 greh->flags = gre_tnl_flags_to_gre_flags(flags); in gre_build_header()
121 greh->protocol = proto; in gre_build_header()
124 __be32 *ptr = (__be32 *)(((u8 *)greh) + hdr_len - 4); in gre_build_header()
143 skb->csum_offset = sizeof(*greh); in gre_build_header()
/Linux-v6.1/tools/testing/selftests/bpf/progs/
Dtest_lwt_ip_encap.c20 struct grehdr greh; in bpf_lwt_encap_gre() member
41 hdr.greh.protocol = skb->protocol; in bpf_lwt_encap_gre()
56 struct grehdr greh; in bpf_lwt_encap_gre6() member
75 hdr.greh.protocol = skb->protocol; in bpf_lwt_encap_gre6()
Dtest_tc_tunnel.c531 struct gre_hdr greh; in decap_internal() local
541 if (bpf_skb_load_bytes(skb, off + len, &greh, sizeof(greh)) < 0) in decap_internal()
543 switch (bpf_ntohs(greh.protocol)) { in decap_internal()
/Linux-v6.1/drivers/net/ethernet/mellanox/mlx5/core/en/
Dtc_tun_gre.c32 struct gre_base_hdr *greh = (struct gre_base_hdr *)(buf); in mlx5e_gen_ip_tunnel_header_gretap() local
42 greh->protocol = htons(ETH_P_TEB); in mlx5e_gen_ip_tunnel_header_gretap()
46 greh->flags = gre_tnl_flags_to_gre_flags(tun_key->tun_flags); in mlx5e_gen_ip_tunnel_header_gretap()
48 __be32 *ptr = (__be32 *)(((u8 *)greh) + hdr_len - 4); in mlx5e_gen_ip_tunnel_header_gretap()
/Linux-v6.1/net/netfilter/
Dnf_flow_table_ip.c218 struct gre_base_hdr *greh; in nf_flow_tuple_ip() local
220 greh = (struct gre_base_hdr *)(skb_network_header(skb) + thoff); in nf_flow_tuple_ip()
221 if ((greh->flags & GRE_VERSION) != GRE_VERSION_0) in nf_flow_tuple_ip()
580 struct gre_base_hdr *greh; in nf_flow_tuple_ipv6() local
582 greh = (struct gre_base_hdr *)(skb_network_header(skb) + thoff); in nf_flow_tuple_ipv6()
583 if ((greh->flags & GRE_VERSION) != GRE_VERSION_0) in nf_flow_tuple_ipv6()
Dnf_nat_proto.c284 const struct gre_base_hdr *greh; in gre_manip_pkt() local
292 greh = (void *)skb->data + hdroff; in gre_manip_pkt()
293 pgreh = (struct pptp_gre_header *)greh; in gre_manip_pkt()
300 switch (greh->flags & GRE_VERSION) { in gre_manip_pkt()
/Linux-v6.1/net/sched/
Dact_ct.c502 struct gre_base_hdr *greh; in tcf_ct_flow_table_fill_tuple_ipv4() local
504 greh = (struct gre_base_hdr *)(skb_network_header(skb) + thoff); in tcf_ct_flow_table_fill_tuple_ipv4()
505 if ((greh->flags & GRE_VERSION) != GRE_VERSION_0) in tcf_ct_flow_table_fill_tuple_ipv4()
571 struct gre_base_hdr *greh; in tcf_ct_flow_table_fill_tuple_ipv6() local
573 greh = (struct gre_base_hdr *)(skb_network_header(skb) + thoff); in tcf_ct_flow_table_fill_tuple_ipv6()
574 if ((greh->flags & GRE_VERSION) != GRE_VERSION_0) in tcf_ct_flow_table_fill_tuple_ipv6()
/Linux-v6.1/tools/testing/selftests/bpf/
Dtest_flow_dissector.c263 struct grehdr *greh = header; in build_gre_header() local
265 greh->protocol = htons(proto); in build_gre_header()
/Linux-v6.1/net/netfilter/ipvs/
Dip_vs_core.c1549 struct gre_base_hdr _greh, *greh; in ipvs_gre_decap() local
1552 greh = skb_header_pointer(skb, offset, sizeof(_greh), &_greh); in ipvs_gre_decap()
1553 if (!greh) in ipvs_gre_decap()
1562 if ((greh->flags & ~GRE_CSUM) != 0) in ipvs_gre_decap()
1564 type = greh->protocol; in ipvs_gre_decap()
1569 return gre_calc_hlen(gre_flags_to_tnl_flags(greh->flags)); in ipvs_gre_decap()
/Linux-v6.1/drivers/net/ethernet/sfc/
Defx_common.c1298 struct gre_base_hdr *greh; in efx_can_encap_offloads() local
1341 greh = (struct gre_base_hdr *)skb_transport_header(skb); in efx_can_encap_offloads()
1342 return !(greh->flags & (GRE_CSUM | GRE_SEQ)); in efx_can_encap_offloads()
/Linux-v6.1/drivers/net/ethernet/sfc/siena/
Defx_common.c1310 struct gre_base_hdr *greh; in efx_can_encap_offloads() local
1353 greh = (struct gre_base_hdr *)skb_transport_header(skb); in efx_can_encap_offloads()
1354 return !(greh->flags & (GRE_CSUM | GRE_SEQ)); in efx_can_encap_offloads()