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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
Download Patch File Download Diff File Expand all files Collapse all files

36
lib/meta-flow.c
View File

@@ -119,6 +119,10 @@ mf_is_all_wild(const struct mf_field *mf, const struct flow_wildcards *wc)
case MFF_TUN_TTL:
case MFF_TUN_FLAGS:
return !wc->masks.tunnel.tun_id;
case MFF_TUN_GBP_ID:
return !wc->masks.tunnel.gbp_id;
case MFF_TUN_GBP_FLAGS:
return !wc->masks.tunnel.gbp_flags;
case MFF_METADATA:
return !wc->masks.metadata;
case MFF_IN_PORT:
@@ -372,6 +376,8 @@ mf_is_value_valid(const struct mf_field *mf, const union mf_value *value)
case MFF_TUN_TOS:
case MFF_TUN_TTL:
case MFF_TUN_FLAGS:
case MFF_TUN_GBP_ID:
case MFF_TUN_GBP_FLAGS:
case MFF_METADATA:
case MFF_IN_PORT:
case MFF_SKB_PRIORITY:
@@ -482,6 +488,12 @@ mf_get_value(const struct mf_field *mf, const struct flow *flow,
case MFF_TUN_FLAGS:
value->be16 = htons(flow->tunnel.flags);
break;
case MFF_TUN_GBP_ID:
value->be16 = flow->tunnel.gbp_id;
break;
case MFF_TUN_GBP_FLAGS:
value->u8 = flow->tunnel.gbp_flags;
break;
case MFF_TUN_TTL:
value->u8 = flow->tunnel.ip_ttl;
break;
@@ -690,6 +702,12 @@ mf_set_value(const struct mf_field *mf,
case MFF_TUN_FLAGS:
match_set_tun_flags(match, ntohs(value->be16));
break;
case MFF_TUN_GBP_ID:
match_set_tun_gbp_id(match, value->be16);
break;
case MFF_TUN_GBP_FLAGS:
match_set_tun_gbp_flags(match, value->u8);
break;
case MFF_TUN_TOS:
match_set_tun_tos(match, value->u8);
break;
@@ -922,6 +940,12 @@ mf_set_flow_value(const struct mf_field *mf,
case MFF_TUN_FLAGS:
flow->tunnel.flags = ntohs(value->be16);
break;
case MFF_TUN_GBP_ID:
flow->tunnel.gbp_id = value->be16;
break;
case MFF_TUN_GBP_FLAGS:
flow->tunnel.gbp_flags = value->u8;
break;
case MFF_TUN_TOS:
flow->tunnel.ip_tos = value->u8;
break;
@@ -1180,6 +1204,12 @@ mf_set_wild(const struct mf_field *mf, struct match *match)
case MFF_TUN_FLAGS:
match_set_tun_flags_masked(match, 0, 0);
break;
case MFF_TUN_GBP_ID:
match_set_tun_gbp_id_masked(match, 0, 0);
break;
case MFF_TUN_GBP_FLAGS:
match_set_tun_gbp_flags_masked(match, 0, 0);
break;
case MFF_TUN_TOS:
match_set_tun_tos_masked(match, 0, 0);
break;
@@ -1428,6 +1458,12 @@ mf_set(const struct mf_field *mf,
case MFF_TUN_FLAGS:
match_set_tun_flags_masked(match, ntohs(value->be16), ntohs(mask->be16));
break;
case MFF_TUN_GBP_ID:
match_set_tun_gbp_id_masked(match, value->be16, mask->be16);
break;
case MFF_TUN_GBP_FLAGS:
match_set_tun_gbp_flags_masked(match, value->u8, mask->u8);
break;
case MFF_TUN_TTL:
match_set_tun_ttl_masked(match, value->u8, mask->u8);
break;