Resurrecting the DGND3700 v1 - where's the wireless gone?

Hey everyone,

It's been a long time, but I've found the need to fire up my old Netgear DGND3700 v1. I was happy to see it's still supported in the latest 24.10.0, so given it was sat on version 18 it was time for an update.

Decided to make a clean start given all the funky settings I'd tinkered with in the past, and everything went fine - except for the wireless. It's the original BCM43222 card in there, with the foibles the b43 driver brings, but basic 2.4 GHz wireless is all I ever need this thing to do and it was working fine.

But not in 24.10. I can't for the life of me get the wifi to fire up. Out of "the box" the b43 driver is there according to lsmod.

b43                   356352  0 
cfg80211              335872  2 b43,mac80211
cmac                   12288  0 
compat                 12288  3 b43,mac80211,cfg80211
cordic                 12288  1 b43
crc_ccitt              12288  1 ppp_async
crc32c_generic         12288  1 
drbg                   24576  0 
ehci_fsl               12288  0 
ehci_hcd               61440  2 ehci_platform,ehci_fsl
ehci_platform          12288  0 
fsl_mph_dr_of          12288  0 
geniv                  12288  1 seqiv
gpio_button_hotplug    12288  0 
hmac                   12288  0 
jitterentropy_rng      16384  0 
leds_gpio              12288  0 
ledtrig_usbport        12288  0 
libcrc32c              12288  1 nf_tables
mac80211              659456  1 b43
nf_conntrack           90112  7 nft_redir,nft_nat,nft_masq,nft_flow_offload,nft_ct,nf_nat,nf_flow_table
nf_defrag_ipv4         12288  1 nf_conntrack
nf_defrag_ipv6         16384  1 nf_conntrack
nf_flow_table          32768  2 nf_flow_table_inet,nft_flow_offload
nf_flow_table_inet     12288  0 
nf_log_syslog          20480  0 
nf_nat                 36864  4 nft_redir,nft_nat,nft_masq,nft_chain_nat
nf_reject_ipv4         12288  2 nft_reject_ipv4,nft_reject_inet
nf_reject_ipv6         12288  2 nft_reject_ipv6,nft_reject_inet
nf_tables             204800208 nft_fib_inet,nf_flow_table_inet,nft_reject_ipv6,nft_reject_ipv4,nft_reject_inet,nft_reject,nft_redir,nft_quota,nft_numgen,nft_nat,nft_masq,nft_log,nft_limit,nft_hash,nft_flow_offload,nft_fib_ipv6,nft_fib_ipv4,nft_fib,nft_ct,nft_chain_nat
nfnetlink              16384  1 nf_tables
nft_chain_nat          12288  2 
nft_ct                 20480  4 
nft_fib                12288  3 nft_fib_inet,nft_fib_ipv6,nft_fib_ipv4
nft_fib_inet           12288  0 
nft_fib_ipv4           12288  1 nft_fib_inet
nft_fib_ipv6           12288  1 nft_fib_inet
nft_flow_offload       12288  0 
nft_hash               12288  0 
nft_limit              12288  5 
nft_log                12288  0 
nft_masq               12288  1 
nft_nat                12288  0 
nft_numgen             12288  0 
nft_quota              12288  0 
nft_redir              12288  0 
nft_reject             12288  3 nft_reject_ipv6,nft_reject_ipv4,nft_reject_inet
nft_reject_inet        12288  2 
nft_reject_ipv4        12288  0 
nft_reject_ipv6        12288  0 
nls_base               12288  1 usbcore
ohci_hcd               45056  1 ohci_platform
ohci_platform          12288  0 
ppp_async              16384  0 
ppp_generic            32768  3 pppoe,ppp_async,pppox
pppoe                  20480  0 
pppox                  12288  1 pppoe
rng                    12288  3 jitterentropy_rng,drbg,geniv
seqiv                  12288  0 
sha3_generic           16384  0 
sha512_generic         16384  0 
slhc                   16384  1 ppp_generic
ssb                    53248  1 b43
usb_common             12288  4 ohci_platform,ohci_hcd,ehci_platform,usbcore
usbcore               188416  6 ledtrig_usbport,ohci_platform,ohci_hcd,ehci_platform,ehci_fsl,ehci_hcd

I copied over my /etc/config/wireless and LuCI tweaked it a little for me:

config wifi-device 'radio0'
	option type 'mac80211'
	option channel '11'
	option hwmode '11g'
	option path 'pci0000:00/0000:00:01.0'
	option txpower '20'
	option country 'GB'
	option legacy_rates '1'

config wifi-iface
	option device 'radio0'
	option network 'wlan'
	option mode 'ap'
	option ssid 'Snazzy SSID'
	option encryption 'psk2+ccmp'
	option key 'supersecret'
	option wpa_disable_eapol_key_retries '1'

This gives me:

No amount of wifi down; wifi up or rebooting improves matters. Checking dmesg gives me this:

[    0.000000] Linux version 6.6.73 (builder@buildhost) (mips-openwrt-linux-musl-gcc (OpenWrt GCC 13.3.0 r28427-6df0e3d02a) 13.3.0, GNU ld (GNU Binutils) 2.42) #0 SMP Mon Feb  3 23:09:37 2025
[    0.000000] CPU0 revision is: 0002a031 (Broadcom BMIPS4350)
[    0.000000] MIPS: machine is Netgear DGND3700 v1
[    0.000000] 128MB of RAM installed
[    0.000000] earlycon: bcm63xx_uart0 at MMIO 0x10000100 (options '115200n8')
[    0.000000] printk: bootconsole [bcm63xx_uart0] enabled
[    0.000000] Initrd not found or empty - disabling initrd
[    0.000000] Reserving 0KB of memory at 4194303KB for kdump
[    0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 16 bytes.
[    0.000000] Primary data cache 32kB, 2-way, VIPT, cache aliases, linesize 16 bytes
[    0.000000] Zone ranges:
[    0.000000]   Normal   [mem 0x0000000000000000-0x0000000007ffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000000000-0x0000000007ffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000007ffffff]
[    0.000000] percpu: Embedded 12 pages/cpu s18464 r8192 d22496 u49152
[    0.000000] pcpu-alloc: s18464 r8192 d22496 u49152 alloc=12*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 
[    0.000000] Kernel command line: earlycon
[    0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes, linear)
[    0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 32480
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 118304K/131072K available (8251K kernel code, 651K rwdata, 992K rodata, 1232K init, 222K bss, 12768K reserved, 0K cma-reserved)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] rcu: Hierarchical RCU implementation.
[    0.000000]  Tracing variant of Tasks RCU enabled.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    0.000000] NR_IRQS: 256
[    0.000000] irq_bcm6345_l1: registered BCM6345 L1 intc (IRQs: 64)
[    0.000000] irq_bcm6345_l1:   CPU0 (irq = 2)
[    0.000000] irq_bcm6345_l1:   CPU1 (irq = 3)
[    0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[    0.000000] brcm,bcm6368 detected @ 400 MHz
[    0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302233 ns
[    0.000002] sched_clock: 32 bits at 200MHz, resolution 5ns, wraps every 10737418237ns
[    0.008256] Calibrating delay loop... 398.13 BogoMIPS (lpj=1990656)
[    0.074649] pid_max: default: 32768 minimum: 301
[    0.107961] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.115508] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.148934] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.
[    0.159305] rcu: Hierarchical SRCU implementation.
[    0.164196] rcu:     Max phase no-delay instances is 1000.
[    0.171032] smp: Bringing up secondary CPUs ...
[    0.177430] SMP: Booting CPU1...
[   17.615585] Primary instruction cache 64kB, VIPT, 4-way, linesize 16 bytes.
[   17.615624] Primary data cache 32kB, 2-way, VIPT, cache aliases, linesize 16 bytes
[   17.615887] CPU1 revision is: 0002a031 (Broadcom BMIPS4350)
[    0.240906] Synchronize counters for CPU 1: 
[    0.261590] SMP: CPU1 is running
[    0.261608] done.
[    0.271513] smp: Brought up 1 node, 2 CPUs
[    0.291143] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.301371] futex hash table entries: 512 (order: 3, 32768 bytes, linear)
[    0.321593] pinctrl core: initialized pinctrl subsystem
[    0.333705] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[    0.340712] thermal_sys: Registered thermal governor 'step_wise'
[    0.377098] clocksource: Switched to clocksource MIPS
[    0.419271] NET: Registered PF_INET protocol family
[    0.424796] IP idents hash table entries: 2048 (order: 2, 16384 bytes, linear)
[    0.435187] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[    0.443908] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[    0.451906] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.459816] TCP bind hash table entries: 1024 (order: 2, 16384 bytes, linear)
[    0.467261] TCP: Hash tables configured (established 1024 bind 1024)
[    0.475579] MPTCP token hash table entries: 256 (order: 0, 4096 bytes, linear)
[    0.484094] UDP hash table entries: 256 (order: 1, 8192 bytes, linear)
[    0.490914] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear)
[    0.499989] NET: Registered PF_UNIX/PF_LOCAL protocol family
[    0.505864] PCI: CLS 0 bytes, default 16
[    0.518310] workingset: timestamp_bits=14 max_order=15 bucket_order=1
[    0.526842] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.532907] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[    0.561777] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[    0.578703] 10000100.serial: ttyS0 at MMIO 0x10000100 (irq = 8, base_baud = 1562500) is a bcm63xx_uart
[    0.588586] printk: console [ttyS0] enabled
[    0.597272] printk: bootconsole [bcm63xx_uart0] disabled
[    0.647634] bcm2835-rng 10004180.rng: hwrng registered
[    0.659996] physmap-flash 18000000.nor: physmap platform flash device: [mem 0x18000000-0x19ffffff]
[    0.669554] 18000000.nor: Found 1 x16 devices at 0x0 in 16-bit bank. Manufacturer ID 0x000001 Chip ID 0x002201
[    0.680140] Amd/Fujitsu Extended Query Table at 0x0040
[    0.685430]   Amd/Fujitsu Extended Query version 1.3.
[    0.690668] number of CFI chips: 1
[    0.696425] 4 fixed-partitions partitions found on MTD device 18000000.nor
[    0.704087] Creating 4 MTD partitions on "18000000.nor":
[    0.709611] 0x000000000000-0x000000020000 : "CFE"
[    0.719453] 0x000000020000-0x000001e40000 : "firmware"
[    0.726295] mtdsplit_bcm63xx: CFE image tag found at 0x0 with version 6, board type 96368MVWG
[    0.735216] 2 bcm63xx-fw partitions found on MTD device firmware
[    0.741386] Creating 2 MTD partitions on "firmware":
[    0.746471] 0x000000000100-0x0000002edb8c : "kernel"
[    0.751587] mtd: partition "kernel" doesn't start on an erase/write block boundary -- force read-only
[    0.764182] 0x0000002edb8c-0x000001e20000 : "rootfs"
[    0.769410] mtd: partition "rootfs" doesn't start on an erase/write block boundary -- force read-only
[    0.782713] mtd: setting mtd3 (rootfs) as root device
[    0.788089] 1 squashfs-split partitions found on MTD device rootfs
[    0.794418] 0x000000700000-0x000001e20000 : "rootfs_data"
[    0.797437] random: crng init done
[    0.802665] 0x000001e40000-0x000001fe0000 : "board_data"
[    0.810326] 0x000001fe0000-0x000002000000 : "nvram"
[    0.869546] bcm63xx-spi 10000800.spi: at [mem 0x10000800-0x10000f0b flags 0x200] (irq 9, FIFOs size 542)
[    0.955448] bcm6368-mdio-mux 10f000b0.mdio: Broadcom BCM6368 MDIO mux bus
[    0.966844] b53-switch spi0.1: found switch: BCM53115, rev 8
[    0.973817] b53-switch 10f00000.switch: found switch: BCM63xx, rev 0
[    0.981488] bcm6368-enetsw 10006800.ethernet: mtd mac a0:21:b7:68:c9:68
[    1.068312] bcm6368-enetsw 10006800.ethernet: eth0 at 0xb0006800, IRQ 0
[    1.076909] bcm7038-wdt 1000005c.watchdog: Registered BCM7038 Watchdog
[    1.086269] NET: Registered PF_INET6 protocol family
[    1.099139] Segment Routing with IPv6
[    1.102930] In-situ OAM (IOAM) with IPv6
[    1.107293] NET: Registered PF_PACKET protocol family
[    1.112540] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[    1.126779] 8021q: 802.1Q VLAN Support v1.8
[    1.277905] PCI host bridge to bus 0000:00
[    1.282086] pci_bus 0000:00: root bus resource [mem 0x30000000-0x37ffffff]
[    1.289272] pci_bus 0000:00: root bus resource [io  0x8000000-0x800ffff]
[    1.296133] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[    1.304628] pci 0000:00:01.0: [168c:001b] type 00 class 0x020000
[    1.312903] pci 0000:00:01.0: reg 0x10: [mem 0x00000000-0x0000ffff]
[    1.328995] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
[    1.335803] pci 0000:00:01.0: BAR 0: assigned [mem 0x30000000-0x3000ffff]
[    1.348524] b53-switch spi0.1: found switch: BCM53115, rev 8
[    1.354959] b53-switch 10f00000.switch: found switch: BCM63xx, rev 0
[    1.498371] b53-switch 10f00000.switch: Using legacy PHYLIB callbacks. Please migrate to PHYLINK!
[    1.511970] bcm6368-enetsw 10006800.ethernet eth0: entered promiscuous mode
[    1.519572] DSA: tree 0 setup
[    1.525462] b53-switch spi0.1: found switch: BCM53115, rev 8
[    1.651355] b53-switch spi0.1: Using legacy PHYLIB callbacks. Please migrate to PHYLINK!
[    1.664274] b53-switch spi0.1: Configured port 8 for rgmii
[    1.674652] b53-switch spi0.1 wan (uninitialized): PHY [dsa-1.0:00] driver [Generic PHY] (irq=POLL)
[    1.693047] b53-switch spi0.1 lan4 (uninitialized): PHY [dsa-1.0:01] driver [Generic PHY] (irq=POLL)
[    1.710031] b53-switch spi0.1 lan3 (uninitialized): PHY [dsa-1.0:02] driver [Generic PHY] (irq=POLL)
[    1.727000] b53-switch spi0.1 lan2 (uninitialized): PHY [dsa-1.0:03] driver [Generic PHY] (irq=POLL)
[    1.744107] b53-switch spi0.1 lan1 (uninitialized): PHY [dsa-1.0:04] driver [Generic PHY] (irq=POLL)
[    1.762379] b53-switch 10f00000.switch extsw: entered promiscuous mode
[    1.769480] DSA: tree 1 setup
[    1.774191] clk: Disabling unused clocks
[    1.785882] VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
[    1.800577] Freeing unused kernel image (initmem) memory: 1232K
[    1.806634] This architecture does not have kernel memory protection.
[    1.813531] Run /sbin/init as init process
[    1.817760]   with arguments:
[    1.817774]     /sbin/init
[    1.817786]   with environment:
[    1.817796]     HOME=/
[    1.817808]     TERM=linux
[    2.724727] init: Console is alive
[    2.728874] init: - watchdog -
[    4.425068] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    4.547385] usbcore: registered new interface driver usbfs
[    4.553310] usbcore: registered new interface driver hub
[    4.558975] usbcore: registered new device driver usb
[    4.568042] gpio_button_hotplug: loading out-of-tree module taints kernel.
[    4.627172] ehci-platform 10001500.usb: EHCI Host Controller
[    4.633035] ehci-platform 10001500.usb: new USB bus registered, assigned bus number 1
[    4.641517] ehci-platform 10001500.usb: irq 10, io mem 0x10001500
[    4.687164] ehci-platform 10001500.usb: USB 2.0 started, EHCI 1.00, overcurrent ignored
[    4.697900] hub 1-0:1.0: USB hub found
[    4.701905] hub 1-0:1.0: 2 ports detected
[    4.723599] ohci-platform 10001600.usb: Generic Platform OHCI controller
[    4.730692] ohci-platform 10001600.usb: new USB bus registered, assigned bus number 2
[    4.739020] ohci-platform 10001600.usb: irq 11, io mem 0x10001600
[    4.813490] hub 2-0:1.0: USB hub found
[    4.817546] hub 2-0:1.0: 2 ports detected
[    4.834954] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    4.848909] init: - preinit -
[    7.330077] b53-switch 10f00000.switch extsw: configuring for fixed/rgmii link mode
[    7.338411] b53-switch 10f00000.switch extsw: Link is Up - 1Gbps/Full - flow control off
[    7.356853] b53-switch spi0.1 lan1: configuring for phy/gmii link mode
[    7.373073] b53-switch spi0.1 lan1: Link is Up - 1Gbps/Full - flow control rx/tx
[   11.997270] jffs2: notice: (553) jffs2_build_xattr_subsystem: complete building xattr subsystem, 18 of xdatum (15 unchecked, 1 orphan) and 22 of xref (1 dead, 0 orphan) found.
[   12.016046] mount_root: switching to jffs2 overlay
[   12.074236] overlayfs: upper fs does not support tmpfile.
[   12.112657] urandom-seed: Seeding with /etc/urandom.seed
[   12.315805] b53-switch spi0.1 lan1: Link is Down
[   12.347309] procd: - early -
[   12.350762] procd: - watchdog -
[   13.061206] procd: - watchdog -
[   13.066064] procd: - ubus -
[   13.238815] procd: - init -
[   14.730660] kmodloader: loading kernel modules from /etc/modules.d/*
[   16.124816] Loading modules backported from Linux version v6.12.6-0-ge9d65b48ce1a
[   16.132572] Backport generated by backports.git v6.1.110-1-35-g410656ef04d2
[   16.630693] PPP generic driver version 2.4.2
[   16.639431] NET: Registered PF_PPPOX protocol family
[   16.671876] Broadcom 43xx driver loaded [ Features: PNL ]
[   16.747995] kmodloader: done loading kernel modules from /etc/modules.d/*
[   17.006842] urngd: v1.0.2 started.
[   38.323998] b53-switch 10f00000.switch extsw: Link is Down
[   38.450625] b53-switch 10f00000.switch extsw: configuring for fixed/rgmii link mode
[   38.459336] b53-switch 10f00000.switch extsw: Link is Up - 1Gbps/Full - flow control off
[   38.735897] b53-switch spi0.1 lan1: configuring for phy/gmii link mode
[   38.751585] switch: port 1(lan1) entered blocking state
[   38.756985] switch: port 1(lan1) entered disabled state
[   38.762708] b53-switch spi0.1 lan1: entered allmulticast mode
[   38.768870] b53-switch 10f00000.switch extsw: entered allmulticast mode
[   38.775669] bcm6368-enetsw 10006800.ethernet eth0: entered allmulticast mode
[   38.852154] b53-switch spi0.1 lan1: entered promiscuous mode
[   40.170868] b53-switch spi0.1 lan2: configuring for phy/gmii link mode
[   40.179194] 8021q: adding VLAN 0 to HW filter on device lan2
[   40.238944] switch: port 2(lan2) entered blocking state
[   40.244348] switch: port 2(lan2) entered disabled state
[   40.250002] b53-switch spi0.1 lan2: entered allmulticast mode
[   40.361971] b53-switch spi0.1 lan2: entered promiscuous mode
[   40.826695] b53-switch spi0.1 lan3: configuring for phy/gmii link mode
[   40.835176] 8021q: adding VLAN 0 to HW filter on device lan3
[   40.880961] switch: port 3(lan3) entered blocking state
[   40.886376] switch: port 3(lan3) entered disabled state
[   40.892157] b53-switch spi0.1 lan3: entered allmulticast mode
[   40.925661] b53-switch spi0.1 lan3: entered promiscuous mode
[   41.744941] b53-switch spi0.1 lan4: configuring for phy/gmii link mode
[   41.753008] 8021q: adding VLAN 0 to HW filter on device lan4
[   41.779154] switch: port 4(lan4) entered blocking state
[   41.784546] switch: port 4(lan4) entered disabled state
[   41.790223] b53-switch spi0.1 lan4: entered allmulticast mode
[   41.823006] b53-switch spi0.1 lan4: entered promiscuous mode
[   41.946199] b53-switch spi0.1 wan: configuring for phy/gmii link mode
[   41.954295] 8021q: adding VLAN 0 to HW filter on device wan
[   41.983458] switch: port 5(wan) entered blocking state
[   41.989019] switch: port 5(wan) entered disabled state
[   41.994384] b53-switch spi0.1 wan: entered allmulticast mode
[   42.015557] b53-switch spi0.1 wan: entered promiscuous mode
[   42.396914] b53-switch spi0.1 lan1: Link is Up - 1Gbps/Full - flow control rx/tx
[   42.407730] switch: port 1(lan1) entered blocking state
[   42.413127] switch: port 1(lan1) entered forwarding state
[   46.057521] b53-switch spi0.1 wan: Link is Up - 1Gbps/Full - flow control rx/tx
[   46.065197] switch: port 5(wan) entered blocking state
[   46.070572] switch: port 5(wan) entered forwarding state

I'm a bit stuck and would appreciate any pointers to get my wifi back!

Whatever you copied over is quite unlikely to have same device path, reset config and type config via luci.

The only part which was copied is the content of /etc/config/wireless, which was initially completely empty, resulting in there being no Network > Wireless menu option.

I can remove the content, but I'm not certain what you mean by "type config via luci". Where in LuCI, and what would that config be?

Turns out the problem here is that younger me was one step ahead. I installed pciutils to check on my b43 card and got this:

# lspci 
00:01.0 Ethernet controller: Qualcomm Atheros AR5413/AR5414 Wireless Network Adapter [AR5006X(S) 802.11abg] (rev 01)

That's no Broadcom.

opkg remove kmod-b43
opkg install kmod-ath5k

Problem solved. :sweat_smile:

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