igb: Add per-TX ring enable flag.
authorSepherosa Ziehau <sephe@dragonflybsd.org>
Mon, 28 Jan 2013 09:45:50 +0000 (17:45 +0800)
committerSepherosa Ziehau <sephe@dragonflybsd.org>
Mon, 28 Jan 2013 09:45:50 +0000 (17:45 +0800)
commitddaf4d42d31fdf61e3448ac000274c876fb60d68
tree8f8ee95d39f7812e5128d991dc089a75c0ae4367
parent81b8cfc61394f8279e2500957c924b3335035608
igb: Add per-TX ring enable flag.

For TX rings' whose enable flag are not set, which could happen during
polling entering/exiting, its corresponding subqueue will be purged.
sys/dev/netif/igb/if_igb.c
sys/dev/netif/igb/if_igb.h