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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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10
lib/ofp-util.c
View File

@@ -186,7 +186,7 @@ ofputil_netmask_to_wcbits(ovs_be32 netmask)
void
ofputil_wildcard_from_ofpfw10(uint32_t ofpfw, struct flow_wildcards *wc)
{
BUILD_ASSERT_DECL(FLOW_WC_SEQ == 30);
BUILD_ASSERT_DECL(FLOW_WC_SEQ == 31);
/* Initialize most of wc. */
flow_wildcards_init_catchall(wc);
@@ -3298,6 +3298,8 @@ ofputil_decode_packet_in_finish(struct ofputil_packet_in *pin,
pin->fmd.tun_id = match->flow.tunnel.tun_id;
pin->fmd.tun_src = match->flow.tunnel.ip_src;
pin->fmd.tun_dst = match->flow.tunnel.ip_dst;
pin->fmd.gbp_id = match->flow.tunnel.gbp_id;
pin->fmd.gbp_flags = match->flow.tunnel.gbp_flags;
pin->fmd.metadata = match->flow.metadata;
memcpy(pin->fmd.regs, match->flow.regs, sizeof pin->fmd.regs);
pin->fmd.pkt_mark = match->flow.pkt_mark;
@@ -3423,6 +3425,12 @@ ofputil_packet_in_to_match(const struct ofputil_packet_in *pin,
if (pin->fmd.tun_dst != htonl(0)) {
match_set_tun_dst(match, pin->fmd.tun_dst);
}
if (pin->fmd.gbp_id != htons(0)) {
match_set_tun_gbp_id(match, pin->fmd.gbp_id);
}
if (pin->fmd.gbp_flags) {
match_set_tun_gbp_flags(match, pin->fmd.gbp_flags);
}
if (pin->fmd.metadata != htonll(0)) {
match_set_metadata(match, pin->fmd.metadata);
}