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dpif-netdev: Reload each thread only once in do_add_port.

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While adding of pmd interface with multiple queues several queues
may be assigned to one thread and this thread will be reloaded
one time for each added queue.

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Daniele Di Proietto <diproiettod@vmware.com>
This commit is contained in:
Ilya Maximets
2016-02-08 18:30:29 +03:00
committed by Daniele Di Proietto
parent ce179f1163
commit 762d146ab7
1 changed files with 10 additions and 0 deletions
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10
lib/dpif-netdev.c
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@@ -43,6 +43,7 @@
#include "flow.h"
#include "cmap.h"
#include "coverage.h"
#include "hmapx.h"
#include "latch.h"
#include "list.h"
#include "match.h"
@@ -1177,7 +1178,10 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type,
if (netdev_is_pmd(netdev)) {
int numa_id = netdev_get_numa_id(netdev);
struct dp_netdev_pmd_thread *pmd;
struct hmapx to_reload;
struct hmapx_node *node;
hmapx_init(&to_reload);
/* Cannot create pmd threads for invalid numa node. */
ovs_assert(ovs_numa_numa_id_is_valid(numa_id));
@@ -1193,8 +1197,14 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type,
ovs_mutex_lock(&pmd->poll_mutex);
dp_netdev_add_rxq_to_pmd(pmd, port, port->rxq[i]);
ovs_mutex_unlock(&pmd->poll_mutex);
hmapx_add(&to_reload, pmd);
}
HMAPX_FOR_EACH (node, &to_reload) {
pmd = (struct dp_netdev_pmd_thread *) node->data;
dp_netdev_reload_pmd__(pmd);
}
hmapx_destroy(&to_reload);
}
seq_change(dp->port_seq);