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netdev-dpdk: skip init for existing mempools.

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Skip initialization of mempool packet areas if this was already
done in a previous call to dpdk_mp_create.

CC: Darrell Ball <dlu998@gmail.com>
CC: Ciara Loftus <ciara.loftus@intel.com>
CC: Aaron Conole <aconole@redhat.com>
Acked-by: Kevin Traynor <ktraynor@redhat.com>
Acked-by: Mark Kavanagh <mark.b.kavanagh@intel.com>
Signed-off-by: Antonio Fischetti <antonio.fischetti@intel.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
This commit is contained in:
antonio.fischetti@intel.com
2017-10-19 17:54:05 +01:00
committed by Ian Stokes
parent f06546a51d
commit 837c1761be
1 changed files with 5 additions and 5 deletions
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10
lib/netdev-dpdk.c
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@@ -550,6 +550,11 @@ dpdk_mp_create(struct netdev_dpdk *dev, int mtu, bool *mp_exists)
if (dmp->mp) {
VLOG_DBG("Allocated \"%s\" mempool with %u mbufs", mp_name,
dmp->mp_size);
/* rte_pktmbuf_pool_create has done some initialization of the
* rte_mbuf part of each dp_packet. Some OvS specific fields
* of the packet still need to be initialized by
* ovs_rte_pktmbuf_init. */
rte_mempool_obj_iter(dmp->mp, ovs_rte_pktmbuf_init, NULL);
} else if (rte_errno == EEXIST) {
/* A mempool with the same name already exists. We just
* retrieve its pointer to be returned to the caller. */
@@ -566,11 +571,6 @@ dpdk_mp_create(struct netdev_dpdk *dev, int mtu, bool *mp_exists)
}
free(mp_name);
if (dmp->mp) {
/* rte_pktmbuf_pool_create has done some initialization of the
* rte_mbuf part of each dp_packet, while ovs_rte_pktmbuf_init
* initializes some OVS specific fields of dp_packet.
*/
rte_mempool_obj_iter(dmp->mp, ovs_rte_pktmbuf_init, NULL);
return dmp;
}
} while (!(*mp_exists) &&