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ofp-util: Update Capabilities for Open Flow 1.2

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There are capabilities which are present in one, two and three
of Open Flow 1.0, 1.1 and 1.2. Update OFPC_COMMON to only include
capabilities that are present in all three Open Flow versions and
add ofputil_capabilities_mask() to return the mask of capabilities
for each version.

This does not cover OFPUTIL_C_STP and OFPUTIL_C_GROUP_STATS, which
both use capability bit 3 and are treated as special cases in
ofputil_encode_switch_features() and ofputil_decode_switch_features().

Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Simon Horman
2012-07-30 11:03:03 +09:00
committed by Ben Pfaff
parent 3f192f2330
commit 6020298704
4 changed files with 89 additions and 4 deletions
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9
lib/ofp-util.h
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@@ -346,19 +346,24 @@ struct ofputil_phy_port {
};
enum ofputil_capabilities {
/* OpenFlow 1.0 and 1.1 share these values for these capabilities. */
/* OpenFlow 1.0, 1.1 and 1.2 share these values for these capabilities. */
OFPUTIL_C_FLOW_STATS = 1 << 0, /* Flow statistics. */
OFPUTIL_C_TABLE_STATS = 1 << 1, /* Table statistics. */
OFPUTIL_C_PORT_STATS = 1 << 2, /* Port statistics. */
OFPUTIL_C_IP_REASM = 1 << 5, /* Can reassemble IP fragments. */
OFPUTIL_C_QUEUE_STATS = 1 << 6, /* Queue statistics. */
/* OpenFlow 1.0 and 1.1 share this capability. */
OFPUTIL_C_ARP_MATCH_IP = 1 << 7, /* Match IP addresses in ARP pkts. */
/* OpenFlow 1.0 only. */
OFPUTIL_C_STP = 1 << 3, /* 802.1d spanning tree. */
/* OpenFlow 1.1 only. */
/* OpenFlow 1.1 and 1.2 share this capability. */
OFPUTIL_C_GROUP_STATS = 1 << 4, /* Group statistics. */
/* OpenFlow 1.2 only */
OFPUTIL_C_PORT_BLOCKED = 1 << 8, /* Switch will block looping ports */
};
enum ofputil_action_bitmap {