Introduce IFF_LIVE_ADDR_CHANGE priv_flag and use it to disable netif_running() check in eth_mac_addr()
Signed-off-by: Jiri Pirko <[email protected]> --- include/linux/if.h | 2 ++ net/ethernet/eth.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/if.h b/include/linux/if.h index f995c66..1ec407b 100644 --- a/include/linux/if.h +++ b/include/linux/if.h @@ -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 */ diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 36e5880..db6a6c1 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -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; -- 1.7.10.4 _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
