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ofproto: Implement OF1.4 Group & Meter change notification messages

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This patch adds support for Openflow1.4 Group & meter change notification
messages. In a multi controller environment, when a controller modifies the
state of group and meter table, the request that successfully modifies this
state is forwarded to other controllers. Other controllers are informed with
the OFPT_REQUESTFORWARD message. Request forwarding is enabled on a per
controller channel basis using the Set Asynchronous Configuration Message.

Signed-off-by: Niti Rohilla <niti.rohilla@tcs.com>
Co-authored-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Niti Rohilla
2015-09-09 17:33:42 +05:30
committed by Ben Pfaff
parent 3514c76517
commit 3c35db62d0
12 changed files with 422 additions and 36 deletions
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21
lib/ofp-util.h
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@@ -1239,4 +1239,25 @@ struct ofpbuf *ofputil_encode_get_async_config(const struct ofp_header *,
uint32_t master[OAM_N_TYPES],
uint32_t slave[OAM_N_TYPES]);
struct ofputil_requestforward {
ovs_be32 xid;
enum ofp14_requestforward_reason reason;
union {
/* reason == OFPRFR_METER_MOD. */
struct ofputil_meter_mod *meter_mod;
/* reason == OFPRFR_GROUP_MOD. */
struct {
struct ofputil_group_mod *group_mod;
struct ofpbuf bands;
};
};
};
struct ofpbuf *ofputil_encode_requestforward(
const struct ofputil_requestforward *, enum ofputil_protocol);
enum ofperr ofputil_decode_requestforward(const struct ofp_header *,
struct ofputil_requestforward *);
void ofputil_destroy_requestforward(struct ofputil_requestforward *);
#endif /* ofp-util.h */