net/netvsc: initialize link state

If application is using link state interrupt, the correct link state
needs to be filled in when device is started. This is similar to
how virtio updates link information.

Fixes: 4e9c73e96e83 ("net/netvsc: add Hyper-V network device")
Cc: stable@dpdk.org
Reported-by: Mohammed Gamal <mgamal@redhat.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Tested-by: Mohammed Gamal <mgamal@redhat.com>

diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index c79f924..5646207 100644 (file)
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -823,6 +823,10 @@ hn_dev_start(struct rte_eth_dev *dev)
        if (error)
                hn_rndis_set_rxfilter(hv, 0);
 
+       /* Initialize Link state */
+       if (error == 0)
+               hn_dev_link_update(dev, 0);
+
        return error;
 }