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meta-flow: Add OF1.2-like MFF_VLAN_VID and MFF_VLAN_PCP.

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OpenFlow 1.0 and 1.2 have notions of VLAN that are different
enough to warrant separate "meta-flow" fields, which this commit
adds.

Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Ben Pfaff
2012-07-22 23:20:22 -07:00
parent fb0451d9bf
commit cc34bc8c86
6 changed files with 93 additions and 0 deletions
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11
lib/flow.c
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@@ -979,6 +979,17 @@ flow_set_dl_vlan(struct flow *flow, ovs_be16 vid)
}
}
/* Sets the VLAN VID that 'flow' matches to 'vid', which is interpreted as an
* OpenFlow 1.2 "vlan_vid" value, that is, the low 13 bits of 'vlan_tci' (VID
* plus CFI). */
void
flow_set_vlan_vid(struct flow *flow, ovs_be16 vid)
{
ovs_be16 mask = htons(VLAN_VID_MASK | VLAN_CFI);
flow->vlan_tci &= ~mask;
flow->vlan_tci |= vid & mask;
}
/* Sets the VLAN PCP that 'flow' matches to 'pcp', which should be in the
* range 0...7.
*