Author: hselasky
Date: Sun Mar 15 09:06:59 2015
New Revision: 280019
URL: https://svnweb.freebsd.org/changeset/base/280019
Log:
MFC r279865:
Ensure setting promiscious mode when a network interface is up, is
always non-blocking by not locking a SX type of mutex.
Sponsored by: Mellanox Technologies
Modified:
stable/9/sys/ofed/drivers/net/mlx4/en_netdev.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/ofed/drivers/net/mlx4/en_netdev.c
==============================================================================
--- stable/9/sys/ofed/drivers/net/mlx4/en_netdev.c Sun Mar 15 09:05:26
2015 (r280018)
+++ stable/9/sys/ofed/drivers/net/mlx4/en_netdev.c Sun Mar 15 09:06:59
2015 (r280019)
@@ -1916,19 +1916,22 @@ static int mlx4_en_ioctl(struct ifnet *d
error = -mlx4_en_change_mtu(dev, ifr->ifr_mtu);
break;
case SIOCSIFFLAGS:
- mutex_lock(&mdev->state_lock);
if (dev->if_flags & IFF_UP) {
- if ((dev->if_drv_flags & IFF_DRV_RUNNING) == 0)
+ if ((dev->if_drv_flags & IFF_DRV_RUNNING) == 0) {
+ mutex_lock(&mdev->state_lock);
mlx4_en_start_port(dev);
- else
+ mutex_unlock(&mdev->state_lock);
+ } else {
mlx4_en_set_rx_mode(dev);
+ }
} else {
+ mutex_lock(&mdev->state_lock);
if (dev->if_drv_flags & IFF_DRV_RUNNING) {
mlx4_en_stop_port(dev);
- if_link_state_change(dev, LINK_STATE_DOWN);
+ if_link_state_change(dev, LINK_STATE_DOWN);
}
+ mutex_unlock(&mdev->state_lock);
}
- mutex_unlock(&mdev->state_lock);
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
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