妳可以使用liveCD/stage 3啟動，此時lspci -v ，會看到妳的網卡相關信息，包括kernel in use，也就是使用的驅動模塊～記住這個模塊名字，編譯內核時，搜索/查找這個模塊名字就可以了
在gentoo BBS上搜到了：
[*] Networking support --->
-*- Wireless --->
<*> cfg80211 - wireless configuration API
[ ] nl80211 testmode command
[ ] enable developer warnings
[ ] cfg80211 regulatory debugging
[*] enable powersave by default
[ ] cfg80211 DebugFS entries
[*] cfg80211 wireless extensions compatibility
[*] Wireless extensions sysfs files
<*> Common routines for IEEE802.11 drivers
[ ] lib80211 debugging messages
<*> Generic IEEE 802.11 Networking Stack (mac80211)
Default rate control algorithm (Minstrel) --->
[ ] Enable mac80211 mesh networking (pre-802.11s) support
-*- Enable LED triggers
[ ] Export mac80211 internals in DebugFS
[ ] Select mac80211 debugging features --->
Device Drivers --->
[*] Network device support --->
[*] Wireless LAN --->
<M> Atheros Wireless Cards --->
[*] Atheros wireless debugging
< > Atheros 5xxx wireless cards support
<M> Atheros 802.11n wireless cards support
[*] Atheros ath9k debugging
< > Atheros AR9170 802.11n USB support
裏面回復說用的是ath9k～
妳自己在make menuconfig 時，按下 / 鍵，輸入at9k ，把相關的都編譯進模塊