Commit bb35f671 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

net: introduce new priv_flag indicating iface capable of change mac when running 



Introduce IFF_LIVE_ADDR_CHANGE priv_flag and use it to disable
netif_running() check in eth_mac_addr()

Signed-off-by: default avatarJiri Pirko <jpirko@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 03292745

include/linux/if.h

+2 −0
Original line number Diff line number Diff line
@@ -81,6 +81,8 @@ 
#define IFF_UNICAST_FLT	0x20000		/* Supports unicast filtering	*/

#define IFF_TEAM_PORT	0x40000		/* device used as team port */

#define IFF_SUPP_NOFCS	0x80000		/* device supports sending custom FCS */

#define IFF_LIVE_ADDR_CHANGE 0x100000	/* device supports hardware address

					 * change when it's running */





#define IF_GET_IFACE	0x0001		/* for querying only */

net/ethernet/eth.c

+1 −1
Original line number Diff line number Diff line
@@ -283,7 +283,7 @@ int eth_mac_addr(struct net_device *dev, void *p) 
{

	struct sockaddr *addr = p;



	if (netif_running(dev))

	if (!(dev->priv_flags & IFF_LIVE_ADDR_CHANGE) && netif_running(dev))

		return -EBUSY;

	if (!is_valid_ether_addr(addr->sa_data))

		return -EADDRNOTAVAIL;