Home
last modified time | relevance | path

Searched full:gre (Results 1 – 25 of 139) sorted by relevance

123456

/linux/net/netfilter/
H A Dnf_conntrack_proto_gre.c3 * Connection tracking protocol helper module for GRE.
5 * GRE is a generic encapsulation protocol, which is generally not very
11 * GRE is defined in RFC 1701 and RFC 1702, as well as RFC 2784
13 * PPTP is built on top of a modified version of GRE, and has a mandatory
15 * field in plain GRE.
36 #include <net/gre.h>
57 return &net->ct.nf_ct_proto.gre; in gre_pernet()
79 key = km->tuple.src.u.gre.key; in gre_keymap_lookup()
152 /* gre hdr info to tuple */
162 /* first only delinearize old RFC1701 GRE header */ in gre_pkt_to_tuple()
[all …]
H A Dnf_conntrack_pptp.c8 * GRE is defined in RFC 1701 and RFC 1702. Documentation of
96 /* increase timeout of GRE data channel conntrack entry */ in pptp_expectfn()
97 ct->proto.gre.timeout = PPTP_GRE_TIMEOUT; in pptp_expectfn()
98 ct->proto.gre.stream_timeout = PPTP_GRE_STREAM_TIMEOUT; in pptp_expectfn()
143 sibling->proto.gre.timeout = 0; in destroy_sibling_or_exp()
144 sibling->proto.gre.stream_timeout = 0; in destroy_sibling_or_exp()
160 /* timeout GRE data connections */
172 t.src.u.gre.key = ct_pptp_info->pns_call_id; in pptp_destroy_siblings()
173 t.dst.u.gre.key = ct_pptp_info->pac_call_id; in pptp_destroy_siblings()
180 t.src.u.gre.key = ct_pptp_info->pac_call_id; in pptp_destroy_siblings()
[all …]
/linux/tools/testing/selftests/net/forwarding/
H A Dip6gre_hier.sh4 # Test IP-in-IP GRE tunnels without key.
39 test_traffic_ip4ip6 "GRE hierarchical IPv4-in-IPv6"
40 test_traffic_ip6ip6 "GRE hierarchical IPv6-in-IPv6"
45 test_mtu_change gre
52 test_traffic_ip4ip6 "GRE hierarchical IPv4-in-IPv6 (new remote)"
53 test_traffic_ip6ip6 "GRE hierarchical IPv6-in-IPv6 (new remote)"
57 test_traffic_ip4ip6 "GRE hierarchical IPv4-in-IPv6 (old remote)"
58 test_traffic_ip6ip6 "GRE hierarchical IPv6-in-IPv6 (old remote)"
H A Dip6gre_hier_key.sh4 # Test IP-in-IP GRE tunnels without key.
39 test_traffic_ip4ip6 "GRE hierarchical IPv4-in-IPv6 with key"
40 test_traffic_ip6ip6 "GRE hierarchical IPv6-in-IPv6 with key"
45 test_mtu_change gre
52 test_traffic_ip4ip6 "GRE hierarchical IPv4-in-IPv6 with key (new remote)"
53 test_traffic_ip6ip6 "GRE hierarchical IPv6-in-IPv6 with key (new remote)"
57 test_traffic_ip4ip6 "GRE hierarchical IPv4-in-IPv6 with key (old remote)"
58 test_traffic_ip6ip6 "GRE hierarchical IPv6-in-IPv6 with key (old remote)"
H A Dip6gre_flat_keys.sh4 # Test IP-in-IP GRE tunnel with keys.
39 test_traffic_ip4ip6 "GRE flat IPv4-in-IPv6 with ikey/okey"
40 test_traffic_ip6ip6 "GRE flat IPv6-in-IPv6 with ikey/okey"
45 test_mtu_change gre
52 test_traffic_ip4ip6 "GRE flat IPv4-in-IPv6 with ikey/okey (new remote)"
53 test_traffic_ip6ip6 "GRE flat IPv6-in-IPv6 with ikey/okey (new remote)"
57 test_traffic_ip4ip6 "GRE flat IPv4-in-IPv6 with ikey/okey (old remote)"
58 test_traffic_ip6ip6 "GRE flat IPv6-in-IPv6 with ikey/okey (old remote)"
H A Dip6gre_hier_keys.sh4 # Test IP-in-IP GRE tunnels without key.
39 test_traffic_ip4ip6 "GRE hierarchical IPv4-in-IPv6 with ikey/okey"
40 test_traffic_ip6ip6 "GRE hierarchical IPv6-in-IPv6 with ikey/okey"
45 test_mtu_change gre
52 test_traffic_ip4ip6 "GRE hierarchical IPv4-in-IPv6 with ikey/okey (new remote)"
53 test_traffic_ip6ip6 "GRE hierarchical IPv6-in-IPv6 with ikey/okey (new remote)"
57 test_traffic_ip4ip6 "GRE hierarchical IPv4-in-IPv6 with ikey/okey (old remote)"
58 test_traffic_ip6ip6 "GRE hierarchical IPv6-in-IPv6 with ikey/okey (old remote)"
H A Dip6gre_flat.sh4 # Test IP-in-IP GRE tunnel without key.
39 test_traffic_ip4ip6 "GRE flat IPv4-in-IPv6"
40 test_traffic_ip6ip6 "GRE flat IPv6-in-IPv6"
52 test_traffic_ip4ip6 "GRE flat IPv4-in-IPv6 (new remote)"
53 test_traffic_ip6ip6 "GRE flat IPv6-in-IPv6 (new remote)"
57 test_traffic_ip4ip6 "GRE flat IPv4-in-IPv6 (old remote)"
58 test_traffic_ip6ip6 "GRE flat IPv6-in-IPv6 (old remote)"
H A Dip6gre_flat_key.sh4 # Test IP-in-IP GRE tunnel with key.
39 test_traffic_ip4ip6 "GRE flat IPv4-in-IPv6 with key"
40 test_traffic_ip6ip6 "GRE flat IPv6-in-IPv6 with key"
52 test_traffic_ip4ip6 "GRE flat IPv4-in-IPv6 with key (new remote)"
53 test_traffic_ip6ip6 "GRE flat IPv6-in-IPv6 with key (new remote)"
57 test_traffic_ip4ip6 "GRE flat IPv4-in-IPv6 with key (old remote)"
58 test_traffic_ip6ip6 "GRE flat IPv6-in-IPv6 with key (old remote)"
H A Dipip_flat_gre_key.sh4 # Test IP-in-IP GRE tunnel with key.
29 sw1_flat_create gre $ol1 $ul1 key 233
30 sw2_flat_create gre $ol2 $ul2 key 233
37 ping_test $h1 192.0.2.18 " gre flat with key"
42 test_mtu_change gre
H A Dipip_flat_gre.sh4 # Test IP-in-IP GRE tunnel without key.
29 sw1_flat_create gre $ol1 $ul1
30 sw2_flat_create gre $ol2 $ul2
37 ping_test $h1 192.0.2.18 " gre flat"
42 test_mtu_change gre
H A Dipip_hier_gre.sh4 # Test IP-in-IP GRE tunnels without key.
29 sw1_hierarchical_create gre $ol1 $ul1
30 sw2_hierarchical_create gre $ol2 $ul2
37 ping_test $h1 192.0.2.18 " gre hierarchical"
42 test_mtu_change gre
H A Dipip_hier_gre_key.sh4 # Test IP-in-IP GRE tunnels without key.
29 sw1_hierarchical_create gre $ol1 $ul1 key 22
30 sw2_hierarchical_create gre $ol2 $ul2 key 22
37 ping_test $h1 192.0.2.18 " gre hierarchical with key"
42 test_mtu_change gre
H A Dipip_flat_gre_keys.sh4 # Test IP-in-IP GRE tunnel with key.
29 sw1_flat_create gre $ol1 $ul1 ikey 111 okey 222
30 sw2_flat_create gre $ol2 $ul2 ikey 222 okey 111
37 ping_test $h1 192.0.2.18 " gre flat with ikey/okey"
42 test_mtu_change gre
H A Dipip_hier_gre_keys.sh4 # Test IP-in-IP GRE tunnels without key.
29 sw1_hierarchical_create gre $ol1 $ul1 ikey 111 okey 222
30 sw2_hierarchical_create gre $ol2 $ul2 ikey 222 okey 111
37 ping_test $h1 192.0.2.18 " gre hierarchical with ikey/okey"
42 test_mtu_change gre
H A Dgre_multipath.sh4 # Test traffic distribution when a wECMP route forwards traffic to two GRE
18 # | + g1a (gre) + g1b (gre) |
43 # | + g2a (gre) | + g2b (gre) | |
85 tunnel_create g1a gre 192.0.2.65 192.0.2.66 tos inherit dev v$ol1
89 tunnel_create g1b gre 192.0.2.81 192.0.2.82 tos inherit dev v$ol1
123 tunnel_create g2a gre 192.0.2.66 192.0.2.65 tos inherit dev v$ol2
127 tunnel_create g2b gre 192.0.2.82 192.0.2.81 tos inherit dev v$ol2
H A Dgre_multipath_nh_res.sh4 # Test traffic distribution when a wECMP route forwards traffic to two GRE
20 # | + g1a (gre) + g1b (gre) |
45 # | + g2a (gre) | + g2b (gre) | |
93 tunnel_create g1a gre 192.0.2.65 192.0.2.66 tos inherit dev v$ol1
97 tunnel_create g1b gre 192.0.2.81 192.0.2.82 tos inherit dev v$ol1
140 tunnel_create g2a gre 192.0.2.66 192.0.2.65 tos inherit dev v$ol2
144 tunnel_create g2b gre 192.0.2.82 192.0.2.81 tos inherit dev v$ol2
H A Dgre_multipath_nh.sh4 # Test traffic distribution when a wECMP route forwards traffic to two GRE
20 # | + g1a (gre) + g1b (gre) |
45 # | + g2a (gre) | + g2b (gre) | |
93 tunnel_create g1a gre 192.0.2.65 192.0.2.66 tos inherit dev v$ol1
97 tunnel_create g1b gre 192.0.2.81 192.0.2.82 tos inherit dev v$ol1
139 tunnel_create g2a gre 192.0.2.66 192.0.2.65 tos inherit dev v$ol2
143 tunnel_create g2b gre 192.0.2.82 192.0.2.81 tos inherit dev v$ol2
/linux/drivers/net/ethernet/mellanox/mlx5/core/en/tc/
H A Dct_fs_hmfs.c18 /* We need {ipv4, ipv6} x {tcp, udp, gre} matchers. */
40 static u32 get_matcher_idx(bool ipv4, bool tcp, bool gre) in get_matcher_idx() argument
42 return ipv4 * 3 + tcp * 2 + gre; in get_matcher_idx()
94 struct mlx5_flow_spec *spec, bool ipv4, bool tcp, bool gre) in mlx5_ct_fs_hmfs_matcher_create() argument
101 u32 priority = get_matcher_idx(ipv4, tcp, gre); /* Static priority based on params. */ in mlx5_ct_fs_hmfs_matcher_create()
113 bool nat, bool ipv4, bool tcp, bool gre) in mlx5_ct_fs_hmfs_matcher_get() argument
116 u32 matcher_idx = get_matcher_idx(ipv4, tcp, gre); in mlx5_ct_fs_hmfs_matcher_get()
136 hws_bwc_matcher = mlx5_ct_fs_hmfs_matcher_create(fs, tbl, spec, ipv4, tcp, gre); in mlx5_ct_fs_hmfs_matcher_get()
139 "ct_fs_hmfs: failed to create bwc matcher (nat %d, ipv4 %d, tcp %d, gre %d), err: %pe\n", in mlx5_ct_fs_hmfs_matcher_get()
140 nat, ipv4, tcp, gre, hws_bwc_matcher); in mlx5_ct_fs_hmfs_matcher_get()
[all …]
H A Dct_fs_smfs.c47 bool gre) in mlx5_ct_fs_smfs_fill_mask() argument
80 } else if (!gre) { in mlx5_ct_fs_smfs_fill_mask()
90 bool tcp, bool gre, u32 priority) in mlx5_ct_fs_smfs_matcher_create() argument
99 mlx5_ct_fs_smfs_fill_mask(fs, spec, ipv4, tcp, gre); in mlx5_ct_fs_smfs_matcher_create()
111 mlx5_ct_fs_smfs_matcher_get(struct mlx5_ct_fs *fs, bool nat, bool ipv4, bool tcp, bool gre) in mlx5_ct_fs_smfs_matcher_get() argument
122 smfs_matcher = &matchers->smfs_matchers[ipv4 * 3 + tcp * 2 + gre]; in mlx5_ct_fs_smfs_matcher_get()
148 dr_matcher = mlx5_ct_fs_smfs_matcher_create(fs, tbl, ipv4, tcp, gre, prio); in mlx5_ct_fs_smfs_matcher_get()
151 "ct_fs_smfs: failed to create matcher (nat %d, ipv4 %d, tcp %d, gre %d), err: %pe\n", in mlx5_ct_fs_smfs_matcher_get()
152 nat, ipv4, tcp, gre, dr_matcher); in mlx5_ct_fs_smfs_matcher_get()
232 bool nat, tcp, ipv4, gre; in mlx5_ct_fs_smfs_ct_rule_add() local
[all …]
/linux/tools/testing/selftests/bpf/progs/
H A Dbpf_flow.c170 struct gre_hdr *gre, _gre; in parse_ip_proto() local
194 gre = bpf_flow_dissect_get_header(skb, sizeof(*gre), &_gre); in parse_ip_proto()
195 if (!gre) in parse_ip_proto()
198 if (bpf_htons(gre->flags & GRE_VERSION)) in parse_ip_proto()
199 /* Only inspect standard GRE packets with version 0 */ in parse_ip_proto()
202 keys->thoff += sizeof(*gre); /* Step over GRE Flags and Proto */ in parse_ip_proto()
203 if (GRE_IS_CSUM(gre->flags)) in parse_ip_proto()
205 if (GRE_IS_KEY(gre->flags)) in parse_ip_proto()
207 if (GRE_IS_SEQ(gre->flags)) in parse_ip_proto()
214 if (gre->proto == bpf_htons(ETH_P_TEB)) { in parse_ip_proto()
[all …]
/linux/net/ipv4/netfilter/
H A Dnf_nat_pptp.c10 * GRE is defined in RFC 1701 and RFC 1702. Documentation of
68 t.src.u.gre.key = ct_pptp_info->pac_call_id; in pptp_nat_expected()
70 t.dst.u.gre.key = ct_pptp_info->pns_call_id; in pptp_nat_expected()
77 t.src.u.gre.key = nat_pptp_info->pns_call_id; in pptp_nat_expected()
79 t.dst.u.gre.key = nat_pptp_info->pac_call_id; in pptp_nat_expected()
217 expect_orig->saved_proto.gre.key = ct_pptp_info->pns_call_id; in pptp_exp_gre()
218 expect_orig->tuple.src.u.gre.key = nat_pptp_info->pns_call_id; in pptp_exp_gre()
219 expect_orig->tuple.dst.u.gre.key = ct_pptp_info->pac_call_id; in pptp_exp_gre()
223 expect_reply->saved_proto.gre.key = nat_pptp_info->pns_call_id; in pptp_exp_gre()
224 expect_reply->tuple.src.u.gre.key = nat_pptp_info->pac_call_id; in pptp_exp_gre()
[all …]
/linux/net/ipv4/
H A Dgre_demux.c3 * GRE over IPv4 demultiplexer driver
22 #include <net/gre.h>
60 * Note that caller must use pskb_may_pull() before pulling GRE header.
112 * - When dealing with WCCPv2, Skip extra 4 bytes in GRE header in gre_parse_header()
127 /* ERSPAN ver 1 and 2 protocol sets GRE key field in gre_parse_header()
202 pr_info("GRE over IPv4 demultiplexer driver\n"); in gre_init()
219 MODULE_DESCRIPTION("GRE over IPv4 demultiplexer driver");
/linux/drivers/net/ethernet/mellanox/mlx5/core/en/
H A Dtc_tun_gre.c4 #include <net/gre.h>
39 /* the HW does not calculate GRE csum or sequences */ in mlx5e_gen_ip_tunnel_header_gretap()
48 /* GRE key */ in mlx5e_gen_ip_tunnel_header_gretap()
72 /* gre protocol */ in mlx5e_tc_tun_parse_gretap()
76 /* gre key */ in mlx5e_tc_tun_parse_gretap()
/linux/tools/testing/selftests/bpf/
H A Dtest_tc_tunnel.sh
/linux/tools/testing/selftests/drivers/net/hw/
H A Dhw_stats_l3_gre.sh4 # Test L3 stats on IP-in-IP GRE tunnel without key.
37 sw1_flat_create gre $ol1 $ul1
38 sw2_flat_create gre $ol2 $ul2
63 ping_test $h1 192.0.2.18 " gre flat"

123456