BWI(4) | Device Drivers Manual | BWI(4) |
bwi
— Broadcom
BCM430x/4318 IEEE 802.11b/g wireless network driver
bwi* at pci? dev ? function ?
bwi* at cardbus? function ?
bwi* at sdmmc?
The bwi
driver provides support for
Broadcom BCM430x/4318 wireless network adapters. For more information on
configuring this device, see
ifconfig(8).
The following per-interface variables are implemented in the hw.bwiX branch of the sysctl(3) MIB.
The following cards are among those supported by the
bwi
driver:
Card | Chip | Bus | Standard |
Apple AirPort Extreme | b/g | ||
Buffalo WLI-CB-G54 | BCM4306 | CardBus | b/g |
Buffalo WLI3-CB-G54L | BCM4318 | CardBus | b/g |
Buffalo WLI-PCI-G54S | BCM4306 | PCI | b/g |
Dell Wireless 1370 | BCM4318 | Mini PCI | b/g |
Dell Wireless 1470 | BCM4318 | Mini PCI | b/g |
Dell Truemobile 1400 | BCM4309 | Mini PCI | b/g |
Dell Latitude D505 | BCM4306 | PCI | b/g |
Nintendo Wii WLAN | BCM4318 | SDIO | b/g |
The firmware for the adapter is not shipped with NetBSD and must be obtained separately. An archive with firmware files that are known to work can be found at:
The firmware files conventionally reside in /libdata/firmware/bwi and will be loaded when the interface is brought up. Note: the v3 subdirectory in the above firmware archive should exist in the firmware folder. The full list of paths checked for firmware can be found in the hw.firmware.path sysctl(3) node.
arp(4), cardbus(4), ifmedia(4), pci(4), ifconfig(8), sysctl(8), wiconfig(8), wpa_supplicant(8)
The bwi
driver first appeared in
NetBSD 6.0.
The bwi
driver was written by
Sepherosa Ziehau for Dragonfly BSD. It was ported to
NetBSD by Taylor R. Campbell
<riastradh@NetBSD.org>.
The hardware specification was reverse engineered by the people at https://bcm-specs.sipsolutions.net/. Thanks go also to johill and mb on the #bcm-specs channel.
BCM4306 and BCM4309 chips do not work properly on channel 1, 2, and 3.
January 18, 2025 | NetBSD 10.99 |