To know the manufacturer of the network adapter of your computer in Linux, type this command in terminal:
sudo lshw -C network
The output of the command may look something like this:
*-network
Description: Wireless interface
Product: BCM4313 802.11b/g/n Wireless LAN Controller
Vendor: Broadcom Corporation
Physical id: 0
Bus info: pci@0000:03:00.0
Logical name: wlan0
Version: 01
Serial: 70:f1:a1:c2:f2:e9
Width: 64 bits
Clock: 33MHz
Capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
Configuration: broadcast=yes driver=brcm80211 driverversion=2.6.38-8-generic firmware=N/A ip=172.17.4.253 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
Resources: irq:17 memory:f0500000-f0503fff
*-network
Description: Ethernet interface
Product: AR8152 v1.1 Fast Ethernet
Vendor: Atheros Communications
Physical id: 0
Bus info: pci@0000:04:00.0
Logical name: eth0
Version: c1
Serial: b8: ac: 6f:67:11:46
Capacity: 100Mbit/s
Width: 64 bits
Clock: 33MHz
Capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
Configuration: auto negotiation=on broadcast=yes driver=atl1c driver version=1.0.1.0-NAPI firmware=N/A latency=0 link=no multicast=yes port=twisted pair
Resources: irq: 43 memory: f0400000-f043ffff ioport: 2000(size=128)
Check the output closely. It gives information about both Wired and Wireless Network Adapter. No need to specify that one with Wireless Interface describes wireless adapter and one with Ethernet Interface describes Wired Network Adapter. As you can see in the output, I have Broadcom’s wireless adapter and Atheros Ethernet (wired) adapter.
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