网卡信息如下：
代码： 全选
*-network
description: Wireless interface
product: AR9287 Wireless Network Adapter (PCI-Express)
vendor: Atheros Communications Inc.
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 01
serial: 20:7c:8f:5c:b4:56
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=3.2.2-030202-generic firmware=N/A ip=10.100.0.100 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
resources: irq:17 memory:f1a00000-f1a0ffff- ping