[dpdk-dev] [PATCH] vhost: reset queue state in destroy_device
Rich Lane
rich.lane at bigswitch.com
Fri Jul 1 18:31:12 CEST 2016
Fixes a bug where rte_eth_vhost_get_queue_event would not return enabled queues
after a guest application restart.
Fixes: ee584e9710b9 ("vhost: add driver on top of the library")
Signed-off-by: Rich Lane <rich.lane at bigswitch.com>
---
drivers/net/vhost/rte_eth_vhost.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index c5bbb87..33e9728 100644
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -303,6 +303,7 @@ destroy_device(int vid)
struct internal_list *list;
char ifname[PATH_MAX];
unsigned i;
+ struct rte_vhost_vring_state *state;
rte_vhost_get_ifname(vid, ifname, sizeof(ifname));
list = find_internal_resource(ifname);
@@ -345,6 +346,15 @@ destroy_device(int vid)
vq->vid = -1;
}
+ state = vring_states[eth_dev->data->port_id];
+ rte_spinlock_lock(&state->lock);
+ for (i = 0; i <= state->max_vring; i++) {
+ state->cur[i] = false;
+ state->seen[i] = false;
+ }
+ state->max_vring = 0;
+ rte_spinlock_unlock(&state->lock);
+
RTE_LOG(INFO, PMD, "Connection closed\n");
_rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC);
--
1.9.1
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