Files
openflow/datapath/openflow-ext.c
T
Rob Sherwood ed2d28c865 added dpctl support for setting ofp_desc_stat->dp_desc
* udatapath : tested and works
* kernel datapath : implemented, but build is broken :-(
* addressed Glen's code review at :
    https://mailman.stanford.edu/pipermail/openflow-dev/2009-December/000620.html
2009-12-11 18:16:39 -08:00

84 lines
3.2 KiB
C

/*-
* Copyright (c) 2008, 2009
* The Board of Trustees of The Leland Stanford Junior University
*
* We are making the OpenFlow specification and associated documentation
* (Software) available for public use and benefit with the expectation that
* others will use, modify and enhance the Software and contribute those
* enhancements back to the community. However, since we would like to make the
* Software available for broadest use, with as few restrictions as possible
* permission is hereby granted, free of charge, to any person obtaining a copy
* of this Software to deal in the Software under the copyrights without
* restriction, including without limitation the rights to use, copy, modify,
* merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* The name and trademarks of copyright holder(s) may NOT be used in
* advertising or publicity pertaining to the Software or any derivatives
* without specific, written prior permission.
*/
#include "openflow/openflow-ext.h"
#include "chain.h"
#include "datapath.h"
#include "table.h"
#include "private-msg.h"
/***
* Copy the new dp_desc out of the passed message
*/
int
recv_of_set_dp_desc(struct datapath *dp, const struct sender * sender,
const struct openflow_extension_header *ofexth)
{
struct openflow_ext_set_dp_desc * set_dp_desc = (struct openflow_ext_set_dp_desc * )
ofexth;
memcpy(dp->dp_desc, set_dp_desc->dp_desc, DESC_STR_LEN);
dp->dp_desc[DESC_STR_LEN-1] = 0; // force null for safety
return 0;
}
int
openflow_ext_recv_msg(struct sw_chain *chain, const struct sender *sender,
const void *ofph)
{
int error = 0;
const struct openflow_queue_command_header *ofexth = ofph;
switch (ntohl(ofexth->header.subtype)) {
/**** added here as a place holder
* case OFP_EXT_QUEUE_MODIFY: {
* recv_of_exp_queue_modify(dp,sender,oh);
* return 0;
* }
* case OFP_EXT_QUEUE_DELETE: {
* recv_of_exp_queue_delete(dp,sender,oh);
* return 0;
* }
*/
case OFP_EXT_SET_DESC:
return recv_of_set_dp_desc(chain->dp,sender,ofexth);
default:
VLOG_ERR("Received unknown command of type %d",
ntohl(ofexth->header.subtype));
return -EINVAL;
}
return error;
}