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ofproto: Add NXM_NX_TUN_GBP_ID and NXM_NX_TUN_GBP_FLAGS

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Introduces two new NXMs to represent VXLAN-GBP [0] fields.

  actions=load:0x10->NXM_NX_TUN_GBP_ID[],NORMAL
  tun_gbp_id=0x10,actions=drop

This enables existing VXLAN tunnels to carry security label
information such as a SELinux context to other network peers.

The values are carried to/from the datapath using the attribute
OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS.

[0] https://tools.ietf.org/html/draft-smith-vxlan-group-policy-00

Signed-off-by: Madhu Challa <challa@noironetworks.com>
Acked-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Thomas Graf <tgraf@noironetworks.com>
This commit is contained in:
Madhu Challa
2015-02-14 15:13:17 +01:00
committed by Thomas Graf
parent c7ecbf1e9c
commit ac6073e3cd
19 changed files with 274 additions and 65 deletions
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3
lib/odp-util.h
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@@ -114,6 +114,7 @@ void odp_portno_names_destroy(struct hmap *portno_names);
* - OVS_TUNNEL_KEY_ATTR_CSUM 0 -- 4 4
* - OVS_TUNNEL_KEY_ATTR_OAM 0 -- 4 4
* - OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS 256 -- 4 260
* - OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS - -- - - (shared with _GENEVE_OPTS)
* OVS_KEY_ATTR_IN_PORT 4 -- 4 8
* OVS_KEY_ATTR_SKB_MARK 4 -- 4 8
* OVS_KEY_ATTR_DP_HASH 4 -- 4 8
@@ -133,7 +134,7 @@ void odp_portno_names_destroy(struct hmap *portno_names);
* add another field and forget to adjust this value.
*/
#define ODPUTIL_FLOW_KEY_BYTES 512
BUILD_ASSERT_DECL(FLOW_WC_SEQ == 30);
BUILD_ASSERT_DECL(FLOW_WC_SEQ == 31);
/* A buffer with sufficient size and alignment to hold an nlattr-formatted flow
* key. An array of "struct nlattr" might not, in theory, be sufficiently