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openflow: Implement OF1.4+ OFPMP_QUEUE_DESC multipart message.

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OpenFlow 1.0 through 1.3 have a message OFPT_QUEUE_GET_CONFIG_REQUEST and
its corresponding reply, for fetching a description of the queues
configured on a given port.  OpenFlow 1.4 changes this message to a
multipart message OFPMP_QUEUE_DESC, which Open vSwitch has not until now
implemented.  This commit adds an implemntation of that message.  Because
the message is a replacement for the former one, this commit implements it
using the same ofp-util functions as the former message, so that the client
code doesn't have to distinguish a difference between versions.

The ovs-ofctl command queue-get-config was previously undocumented (due
only to an oversight).  This commit corrects that and documents the new
feature available with OpenFlow 1.4.

Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Jarno Rajahalme <jarno@ovn.org>
This commit is contained in:
Ben Pfaff
2016-01-18 16:00:05 -08:00
parent 2b4c9d85e6
commit e016fb630d
13 changed files with 451 additions and 187 deletions
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3
lib/ofp-errors.h
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@@ -504,6 +504,9 @@ enum ofperr {
/* OF1.0(5,2), OF1.1+(9,2). Permissions error. */
OFPERR_OFPQOFC_EPERM,
/* NX1.4+(23). System error retrieving queue details. */
OFPERR_NXQOFC_QUEUE_ERROR,
/* ## -------------------------- ## */
/* ## OFPET_SWITCH_CONFIG_FAILED ## */
/* ## -------------------------- ## */