kmacy 2008-03-20 05:35:02 UTC
FreeBSD src repository
Modified files:
sys/net if_ethersubr.c
Log:
Don't re-initialize the interface if it is already running.
This one line change makes the following code found in many ethernet device
drivers
(at least em, igb, ixgbe, and cxgb) gratuitous
case SIOCSIFADDR:
if (ifa->ifa_addr->sa_family == AF_INET) {
/*
* XXX
* Since resetting hardware takes a very long time
* and results in link renegotiation we only
* initialize the hardware only when it is absolutely
* required.
*/
ifp->if_flags |= IFF_UP;
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
EM_CORE_LOCK(adapter);
em_init_locked(adapter);
EM_CORE_UNLOCK(adapter);
}
arp_ifinit(ifp, ifa);
} else
error = ether_ioctl(ifp, command, data);
break;
Revision Changes Path
1.242 +2 -1 src/sys/net/if_ethersubr.c
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