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Searched refs:greh (Results 1 – 10 of 10) sorted by relevance

/Linux-v5.4/net/ipv4/
Dgre_offload.c62 struct gre_base_hdr *greh; in gre_gso_segment() local
82 greh = (struct gre_base_hdr *)skb_transport_header(skb); in gre_gso_segment()
83 pcsum = (__sum16 *)(greh + 1); in gre_gso_segment()
112 const struct gre_base_hdr *greh; in gre_gro_receive() local
125 hlen = off + sizeof(*greh); in gre_gro_receive()
126 greh = skb_gro_header_fast(skb, off); in gre_gro_receive()
128 greh = skb_gro_header_slow(skb, hlen, off); in gre_gro_receive()
129 if (unlikely(!greh)) in gre_gro_receive()
139 if ((greh->flags & ~(GRE_KEY|GRE_CSUM)) != 0) in gre_gro_receive()
147 if ((greh->flags & GRE_CSUM) && NAPI_GRO_CB(skb)->is_fou) in gre_gro_receive()
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Dgre_demux.c63 const struct gre_base_hdr *greh; in gre_parse_header() local
70 greh = (struct gre_base_hdr *)(skb->data + nhs); in gre_parse_header()
71 if (unlikely(greh->flags & (GRE_VERSION | GRE_ROUTING))) in gre_parse_header()
74 tpi->flags = gre_flags_to_tnl_flags(greh->flags); in gre_parse_header()
80 greh = (struct gre_base_hdr *)(skb->data + nhs); in gre_parse_header()
81 tpi->proto = greh->protocol; in gre_parse_header()
83 options = (__be32 *)(greh + 1); in gre_parse_header()
84 if (greh->flags & GRE_CSUM) { in gre_parse_header()
96 if (greh->flags & GRE_KEY) { in gre_parse_header()
102 if (unlikely(greh->flags & GRE_SEQ)) { in gre_parse_header()
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Dip_gre.c821 struct gre_base_hdr *greh; in ipgre_header() local
824 greh = (struct gre_base_hdr *)(iph+1); in ipgre_header()
825 greh->flags = gre_tnl_flags_to_gre_flags(t->parms.o_flags); in ipgre_header()
826 greh->protocol = htons(type); in ipgre_header()
/Linux-v5.4/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.c450 struct gre_hdr greh; in decap_internal() local
460 if (bpf_skb_load_bytes(skb, off + len, &greh, sizeof(greh)) < 0) in decap_internal()
462 switch (bpf_ntohs(greh.protocol)) { in decap_internal()
/Linux-v5.4/include/net/
Dgre.h124 struct gre_base_hdr *greh; in gre_build_header() local
130 greh = (struct gre_base_hdr *)skb->data; in gre_build_header()
131 greh->flags = gre_tnl_flags_to_gre_flags(flags); in gre_build_header()
132 greh->protocol = proto; in gre_build_header()
135 __be32 *ptr = (__be32 *)(((u8 *)greh) + hdr_len - 4); in gre_build_header()
/Linux-v5.4/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-v5.4/net/netfilter/
Dnf_nat_proto.c273 const struct gre_base_hdr *greh; in gre_manip_pkt() local
281 greh = (void *)skb->data + hdroff; in gre_manip_pkt()
282 pgreh = (struct pptp_gre_header *)greh; in gre_manip_pkt()
289 switch (greh->flags & GRE_VERSION) { in gre_manip_pkt()
/Linux-v5.4/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-v5.4/net/netfilter/ipvs/
Dip_vs_core.c1619 struct gre_base_hdr _greh, *greh; in ipvs_gre_decap() local
1622 greh = skb_header_pointer(skb, offset, sizeof(_greh), &_greh); in ipvs_gre_decap()
1623 if (!greh) in ipvs_gre_decap()
1632 if ((greh->flags & ~GRE_CSUM) != 0) in ipvs_gre_decap()
1634 type = greh->protocol; in ipvs_gre_decap()
1639 return gre_calc_hlen(gre_flags_to_tnl_flags(greh->flags)); in ipvs_gre_decap()