net: socionext: Reset tx queue in ndo_stop

We observed that packets and bytes count are not reset
when user performs interface down. Eventually, tx queue is
exhausted and packets will not be sent out.
To avoid this problem, resets tx queue in ndo_stop.

Fixes: f58ac80bf63d ("net: socionext: Add Synquacer NetSec driver")
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Signed-off-by: Yoshitoyo Osaki <osaki.yoshitoyo@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c
index dbf71e1fa701df30d15a0232178a415066afec28..d9d0d03e4ce792d31436cbe86dbb7d89a7e71489 100644 (file)
--- a/drivers/net/ethernet/socionext/netsec.c
+++ b/drivers/net/ethernet/socionext/netsec.c
@@ -955,6 +955,9 @@ static void netsec_uninit_pkt_dring(struct netsec_priv *priv, int id)
        dring->head = 0;
        dring->tail = 0;
        dring->pkt_cnt = 0;
+
+       if (id == NETSEC_RING_TX)
+               netdev_reset_queue(priv->ndev);
 }
 
 static void netsec_free_dring(struct netsec_priv *priv, int id)