Adding wireless support to RPI-4/400

I have successfully installed OWRT in Raspberry Pi 400, and working fine, but there is issue like Pi have only one ethernet port (eth0), and OpenWRT uses it as outgoing port, instead of incoming port, so how I can connect it to further internet.
2. I wants to relay radio signal through Pi wifi, means I want enable wireless access point too, with OWRT.
3. Making in built LAN port to incoming for internet, and USB to ethernet for wired outgoing, and built in wifi for wireless outgoing.

If you have two ethernet ports, one will be lan, and the 2nd wan, by default.

1 Like

thanks, for your response.

The wireless hardware of the RPi (any variant thereof) is very bad, short range, slow and quite significant driver/ firmware limitations - it's close to being unusable. While the RPi4 can be a very capable wired-only router, it's better to leave its WLAN features disabled and to outsource that functionality to a better (OpenWrt supported) WiFi router/ AP configured as dumb AP.

I want to use usb - ethernet device as WAN port to incoming internet, and built in LAN port as Outgoing, I am tired of setting up but unable to do, kindly help, it shows usb 1-1.2 I have as my usb to ethernet device, but I tried all code in /etc/config/network to add but nothing works

Ethernet port are bidirectional, what's outgoing ?

Unplug the USB Ethernet thingie, and post the relevant dmesg snippet after you've plugged it in again.

I mean to say, that whenever I am Turing on My Pi, the built in ethernet port (eth0), is used as relay port, means I can connect other devices as client, or router/ Access point to make wired connection wireless. but the challenge is that I need to internet to be incoming so that I can update, install packages and other things in openwrt, for that I brought usb - ethernet dongle, to make it as WAN port, so that Pi can really act as Router, with manual packages installation.

I am attaching drive link, here you will get all the file

https://drive.google.com/drive/folders/1fbKcVZOMs4beyozy6PLa_MF5xkCAnzpu?usp=sharing

not going down that rabbit hole, you can post all we need to know in this thread.

   0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd083]
[    0.000000] Linux version 5.15.134 (builder@buildhost) (aarch64-openwrt-linux-musl-gcc (OpenWrt GCC 12.3.0 r23497-6637af95aa) 12.3.0, GNU ld (GNU Binutils) 2.40.0) #0 SMP Mon Oct 9 21:45:35 2023
[    0.000000] random: crng init done
[    0.000000] Machine model: Raspberry Pi 400 Rev 1.1
[    0.000000] Reserved memory: created CMA memory pool at 0x000000002ac00000, size 64 MiB
[    0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[    0.000000] Zone ranges:
[    0.000000]   DMA      [mem 0x0000000000000000-0x000000003fffffff]
[    0.000000]   DMA32    [mem 0x0000000040000000-0x00000000fbffffff]
[    0.000000]   Normal   empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000000000-0x000000003b3fffff]
[    0.000000]   node   0: [mem 0x0000000040000000-0x00000000fbffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x00000000fbffffff]
[    0.000000] On node 0, zone DMA32: 19456 pages in unavailable ranges
[    0.000000] On node 0, zone DMA32: 16384 pages in unavailable ranges
[    0.000000] percpu: Embedded 17 pages/cpu s31832 r8192 d29608 u69632
[    0.000000] pcpu-alloc: s31832 r8192 d29608 u69632 alloc=17*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 
[    0.000000] Detected PIPT I-cache on CPU0
[    0.000000] CPU features: detected: Spectre-v2
[    0.000000] CPU features: detected: Spectre-v4
[    0.000000] CPU features: detected: Spectre-BHB
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 996912
[    0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=1824 bcm2708_fb.fbheight=984 bcm2708_fb.fbswap=1 smsc95xx.macaddr=D8:3A:DD:46:71:1B vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000  console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=squashfs,ext4 rootwait
[    0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[    0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] software IO TLB: mapped [mem 0x0000000037400000-0x000000003b400000] (64MB)
[    0.000000] Memory: 3827160K/4050944K available (8320K kernel code, 912K rwdata, 1292K rodata, 448K init, 554K bss, 158248K reserved, 65536K cma-reserved)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, 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: 64, nr_irqs: 64, preallocated irqs: 0
[    0.000000] Root IRQ handler: 0xffffffc0083e0c20
[    0.000000] GIC: Using split EOI/Deactivate mode
[    0.000000] arch_timer: cp15 timer(s) running at 54.00MHz (phys).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xc743ce346, max_idle_ns: 440795203123 ns
[    0.000000] sched_clock: 56 bits at 54MHz, resolution 18ns, wraps every 4398046511102ns
[    0.000219] Console: colour dummy device 80x25
[    0.000505] printk: console [tty1] enabled
[    0.000547] Calibrating delay loop (skipped), value calculated using timer frequency.. 108.00 BogoMIPS (lpj=540000)
[    0.000573] pid_max: default: 32768 minimum: 301
[    0.000819] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)
[    0.000903] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)
[    0.001531] cgroup: Disabling memory control group subsystem
[    0.002587] rcu: Hierarchical SRCU implementation.
[    0.003268] smp: Bringing up secondary CPUs ...
[    0.003689] Detected PIPT I-cache on CPU1
[    0.003755] CPU1: Booted secondary processor 0x0000000001 [0x410fd083]
[    0.004250] Detected PIPT I-cache on CPU2
[    0.004294] CPU2: Booted secondary processor 0x0000000002 [0x410fd083]
[    0.004738] Detected PIPT I-cache on CPU3
[    0.004780] CPU3: Booted secondary processor 0x0000000003 [0x410fd083]
[    0.004856] smp: Brought up 1 node, 4 CPUs
[    0.004913] SMP: Total of 4 processors activated.
[    0.004926] CPU features: detected: 32-bit EL0 Support
[    0.004938] CPU features: detected: CRC32 instructions
[    0.005010] CPU features: emulated: Privileged Access Never (PAN) using TTBR0_EL1 switching
[    0.005028] CPU: All CPU(s) started at EL2
[    0.005058] alternatives: patching kernel code
[    0.013542] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.013601] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[    0.015098] pinctrl core: initialized pinctrl subsystem
[    0.016137] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[    0.017750] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations
[    0.017988] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations
[    0.018376] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations
[    0.018791] thermal_sys: Registered thermal governor 'step_wise'
[    0.018934] cpuidle: using governor ladder
[    0.018974] cpuidle: using governor menu
[    0.019163] ASID allocator initialised with 65536 entries
[    0.019246] Serial: AMBA PL011 UART driver
[    0.023384] bcm2835-mbox fe00b880.mailbox: mailbox enabled
[    0.039955] raspberrypi-firmware soc:firmware: Attached to firmware from 2022-05-16T15:40:46, variant start
[    0.049960] raspberrypi-firmware soc:firmware: Firmware hash is ae6542a8a3aef192cb3536c39106d19f342fab29
[    0.082193] cryptd: max_cpu_qlen set to 1000
[    0.083960] bcm2835-dma fe007000.dma: DMA legacy API manager, dmachans=0x1
[    0.086193] SCSI subsystem initialized
[    0.086348] usbcore: registered new interface driver usbfs
[    0.086396] usbcore: registered new interface driver hub
[    0.086439] usbcore: registered new device driver usb
[    0.086563] usb_phy_generic phy: supply vcc not found, using dummy regulator
[    0.086697] usb_phy_generic phy: dummy supplies not allowed for exclusive requests
[    0.087881] clocksource: Switched to clocksource arch_sys_counter
[    0.091221] NET: Registered PF_INET protocol family
[    0.091779] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear)
[    0.094771] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear)
[    0.094835] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[    0.094861] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)
[    0.095120] TCP bind hash table entries: 32768 (order: 7, 524288 bytes, linear)
[    0.095661] TCP: Hash tables configured (established 32768 bind 32768)
[    0.095879] UDP hash table entries: 2048 (order: 4, 65536 bytes, linear)
[    0.095959] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes, linear)
[    0.096194] NET: Registered PF_UNIX/PF_LOCAL protocol family
[    0.096238] PCI: CLS 0 bytes, default 64
[    0.100214] workingset: timestamp_bits=46 max_order=20 bucket_order=0
[    0.104593] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.169450] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[    0.172793] brcm-pcie fd500000.pcie: host bridge /scb/pcie@7d500000 ranges:
[    0.172836] brcm-pcie fd500000.pcie:   No bus range found for /scb/pcie@7d500000, using [bus 00-ff]
[    0.172882] brcm-pcie fd500000.pcie:      MEM 0x0600000000..0x063fffffff -> 0x00c0000000
[    0.172922] brcm-pcie fd500000.pcie:   IB MEM 0x0000000000..0x00ffffffff -> 0x0400000000
[    0.229947] brcm-pcie fd500000.pcie: link up, 5.0 GT/s PCIe x1 (SSC)
[    0.230126] brcm-pcie fd500000.pcie: PCI host bridge to bus 0000:00
[    0.230145] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.230164] pci_bus 0000:00: root bus resource [mem 0x600000000-0x63fffffff] (bus address [0xc0000000-0xffffffff])
[    0.230217] pci 0000:00:00.0: [14e4:2711] type 01 class 0x060400
[    0.230302] pci 0000:00:00.0: PME# supported from D0 D3hot
[    0.233759] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[    0.233960] pci 0000:01:00.0: [1106:3483] type 00 class 0x0c0330
[    0.234038] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit]
[    0.234220] pci 0000:01:00.0: PME# supported from D0 D3hot
[    0.237612] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01
[    0.237655] pci 0000:00:00.0: BAR 8: assigned [mem 0x600000000-0x6000fffff]
[    0.237679] pci 0000:01:00.0: BAR 0: assigned [mem 0x600000000-0x600000fff 64bit]
[    0.237743] pci 0000:00:00.0: PCI bridge to [bus 01]
[    0.237761] pci 0000:00:00.0:   bridge window [mem 0x600000000-0x6000fffff]
[    0.237963] pcieport 0000:00:00.0: enabling device (0000 -> 0002)
[    0.238095] pcieport 0000:00:00.0: PME: Signaling with IRQ 42
[    0.238387] pcieport 0000:00:00.0: AER: enabled with IRQ 42
[    0.238983] bcm2708_fb soc:fb: FB found 1 display(s)
[    0.262464] Console: switching to colour frame buffer device 228x61
[    0.271349] bcm2708_fb soc:fb: Registered framebuffer for display 0, size 1824x984
[    0.280467] Serial: 8250/16550 driver, 1 ports, IRQ sharing enabled
[    0.281372] iproc-rng200 fe104000.rng: hwrng registered
[    0.281540] vc-mem: phys_addr:0x00000000 mem_base=0x3ec00000 mem_size:0x40000000(1024 MiB)
[    0.282069] gpiomem-bcm2835 fe200000.gpiomem: Initialised: Registers at 0xfe200000
[    0.289723] brd: module loaded
[    0.293176] loop: module loaded
[    0.293933] Loading iSCSI transport class v2.0-870.
[    0.296009] bcmgenet fd580000.ethernet: GENET 5.0 EPHY: 0x0000
[    0.348505] unimac-mdio unimac-mdio.-19: Broadcom UniMAC MDIO bus
[    0.400600] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    0.400679] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[    0.401280] xhci_hcd 0000:01:00.0: hcc params 0x002841eb hci version 0x100 quirks 0x0003800000000890
[    0.402021] xhci_hcd 0000:01:00.0: xHCI Host Controller
[    0.402086] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[    0.402162] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[    0.402444] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.15
[    0.402528] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    0.402600] usb usb1: Product: xHCI Host Controller
[    0.402653] usb usb1: Manufacturer: Linux 5.15.134 xhci-hcd
[    0.402712] usb usb1: SerialNumber: 0000:01:00.0
[    0.403106] hub 1-0:1.0: USB hub found
[    0.403182] hub 1-0:1.0: 1 port detected
[    0.403690] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.15
[    0.403779] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    0.403852] usb usb2: Product: xHCI Host Controller
[    0.403903] usb usb2: Manufacturer: Linux 5.15.134 xhci-hcd
[    0.403962] usb usb2: SerialNumber: 0000:01:00.0
[    0.404315] hub 2-0:1.0: USB hub found
[    0.404389] hub 2-0:1.0: 4 ports detected
[    0.405265] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[    0.407724] dwc_otg: FIQ enabled
[    0.407731] dwc_otg: NAK holdoff enabled
[    0.407737] dwc_otg: FIQ split-transaction FSM enabled
[    0.407745] Module dwc_common_port init
[    0.408135] usbcore: registered new interface driver uas
[    0.410548] usbcore: registered new interface driver usb-storage
[    0.412890] mousedev: PS/2 mouse device common for all mice
[    0.415725] bcm2835-wdt bcm2835-wdt: Broadcom BCM2835 watchdog timer
[    0.419799] sdhci: Secure Digital Host Controller Interface driver
[    0.422148] sdhci: Copyright(c) Pierre Ossman
[    0.424853] mmc-bcm2835 fe300000.mmcnr: could not get clk, deferring probe
[    0.427597] sdhci-pltfm: SDHCI platform and OF driver helper
[    0.435367] NET: Registered PF_INET6 protocol family
[    0.436978] Segment Routing with IPv6
[    0.438122] In-situ OAM (IOAM) with IPv6
[    0.439342] NET: Registered PF_PACKET protocol family
[    0.440582] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[    0.441940] 8021q: 802.1Q VLAN Support v1.8
[    0.443539] Key type .fscrypt registered
[    0.444647] Key type fscrypt-provisioning registered
[    0.448143] uart-pl011 fe201000.serial: there is not valid maps for state default
[    0.449349] uart-pl011 fe201000.serial: cts_event_workaround enabled
[    0.450517] fe201000.serial: ttyAMA0 at MMIO 0xfe201000 (irq = 17, base_baud = 0) is a PL011 rev2
[    0.687873] usb 1-1: new high-speed USB device number 2 using xhci_hcd
[    0.693133] printk: console [ttyAMA0] enabled
[    0.879961] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21
[    0.886875] bcm2835-power bcm2835-power: Broadcom BCM2835 power domains driver
[    0.891063] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    0.899275] mmc-bcm2835 fe300000.mmcnr: mmc_debug:0 mmc_debug2:0
[    0.905054] usb 1-1: Product: USB2.0 Hub
[    0.909147] mmc-bcm2835 fe300000.mmcnr: DMA channel allocated
[    0.913961] hub 1-1:1.0: USB hub found
[    0.952257] of_cfs_init
[    0.964156] hub 1-1:1.0: 4 ports detected
[    0.969683] of_cfs_init: OK
[    0.980255] mmc0: SDHCI controller on fe340000.mmc [fe340000.mmc] using ADMA
[    1.317866] usb 1-1.2: new high-speed USB device number 3 using xhci_hcd
[    1.422658] mmc0: new ultra high speed DDR50 SDHC card at address aaaa
[    1.646036] mmcblk0: mmc0:aaaa SC16G 14.8 GiB 
[    1.655277]  mmcblk0: p1 p2
[    1.659333] mmcblk0: mmc0:aaaa SC16G 14.8 GiB (quirks 0x00004000)
[    1.666896] mmc1: new high speed SDIO card at address 0001
[    1.673837] EXT4-fs (mmcblk0p2): mounted filesystem without journal. Opts: (null). Quota mode: disabled.
[    1.684542] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[    1.692729] Freeing unused kernel memory: 448K
[    1.737953] Run /sbin/init as init process
[    1.743565]   with arguments:
[    1.743571]     /sbin/init
[    1.743576]   with environment:
[    1.743580]     HOME=/
[    1.743586]     TERM=linux
[    1.790324] init: Console is alive
[    1.796034] init: - watchdog -
[    1.801520] usb 1-1.2: New USB device found, idVendor=0b95, idProduct=1790, bcdDevice= 3.00
[    1.811140] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    1.819753] usb 1-1.2: Product: AX88772D
[    1.824953] usb 1-1.2: Manufacturer: ASIX
[    1.830221] usb 1-1.2: SerialNumber: 004B4829
[    1.903760] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    1.964238] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    1.967900] usb 1-1.3: new low-speed USB device number 4 using xhci_hcd
[    1.984353] init: - preinit -
[    2.054109] bcmgenet fd580000.ethernet: configuring instance for external RGMII (RX delay)
[    2.064969] bcmgenet fd580000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[    2.075156] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[    2.083056] uart-pl011 fe201000.serial: no DMA platform data
[    2.125485] usb 1-1.3: New USB device found, idVendor=093a, idProduct=2510, bcdDevice= 1.00
[    2.136139] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    2.145728] usb 1-1.3: Product: USB Optical Mouse
[    2.151857] usb 1-1.3: Manufacturer: PixArt
[    2.267900] usb 1-1.4: new low-speed USB device number 5 using xhci_hcd
[    2.458421] usb 1-1.4: New USB device found, idVendor=04d9, idProduct=0007, bcdDevice= 1.61
[    2.469435] usb 1-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    2.479399] usb 1-1.4: Product: Raspberry Pi Internal Keyboard
[    2.487885] usb 1-1.4: Manufacturer:  
[    4.119674] mount_root: mounting /dev/root
[    4.140728] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null). Quota mode: disabled.
[    4.155590] insmod: module is already loaded - fat
[    4.163761] insmod: module is already loaded - vfat
[    4.189738] urandom-seed: Seeding with /etc/urandom.seed
[    4.230297] bcmgenet fd580000.ethernet eth0: Link is Down
[    4.281213] procd: - early -
[    4.286728] procd: - watchdog -
[    4.819787] procd: - watchdog -
[    4.828191] procd: - ubus -
[    4.885863] procd: - init -
[    4.976902] kmodloader: loading kernel modules from /etc/modules.d/*
[    5.000812] hid: raw HID events driver (C) Jiri Kosina
[    5.010091] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned.
[    5.033735] Loading modules backported from Linux version v6.1.24-0-g0102425ac76b
[    5.042468] Backport generated by backports.git v5.15.92-1-44-gd6ea70fafd36
[    5.051976] usbcore: registered new interface driver lan78xx
[    5.068144] input: PixArt USB Optical Mouse as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.3/1-1.3:1.0/0003:093A:2510.0001/input/input0
[    5.085314] hid-generic 0003:093A:2510.0001: input,hidraw0: USB HID v1.11 Mouse [PixArt USB Optical Mouse] on usb-0000:01:00.0-1.3/input0
[    5.118580] input:   Raspberry Pi Internal Keyboard as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4:1.0/0003:04D9:0007.0002/input/input1
[    5.198169] hid-generic 0003:04D9:0007.0002: input,hidraw1: USB HID v1.11 Keyboard [  Raspberry Pi Internal Keyboard] on usb-0000:01:00.0-1.4/input0
[    5.233176] input:   Raspberry Pi Internal Keyboard as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb1/1-1/1-1.4/1-1.4:1.1/0003:04D9:0007.0003/input/input2
[    5.317957] hid-generic 0003:04D9:0007.0003: input,hidraw2: USB HID v1.11 Device [  Raspberry Pi Internal Keyboard] on usb-0000:01:00.0-1.4/input1
[    5.332618] usbcore: registered new interface driver usbhid
[    5.339711] usbhid: USB HID core driver
[    5.364603] PPP generic driver version 2.4.2
[    5.370787] NET: Registered PF_PPPOX protocol family
[    5.387494] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43456-sdio for chip BCM4345/9
[    5.397714] usbcore: registered new interface driver brcmfmac
[    5.404937] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43456-sdio.raspberrypi,400.bin failed with error -2
[    5.417439] brcmfmac mmc1:0001:1: Falling back to sysfs fallback for: brcm/brcmfmac43456-sdio.raspberrypi,400.bin
[    5.430790] kmodloader: done loading kernel modules from /etc/modules.d/*
[    5.439686] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43456-sdio.bin failed with error -2
[    5.450969] brcmfmac mmc1:0001:1: Falling back to sysfs fallback for: brcm/brcmfmac43456-sdio.bin
[    6.467926] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50
[    7.648057] bcmgenet fd580000.ethernet: configuring instance for external RGMII (RX delay)
[    7.659209] bcmgenet fd580000.ethernet eth0: Link is Down
[    7.666289] br-lan: port 1(eth0) entered blocking state
[    7.672972] br-lan: port 1(eth0) entered disabled state
[    7.679846] device eth0 entered promiscuous mode
[    9.768318] bcmgenet fd580000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[    9.779831] br-lan: port 1(eth0) entered blocking state
[    9.788162] br-lan: port 1(eth0) entered forwarding state
[    9.797615] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[   23.288126] bcmgenet fd580000.ethernet eth0: Link is Down
[   23.296896] br-lan: port 1(eth0) entered disabled state
[   25.368268] bcmgenet fd580000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[   25.379741] br-lan: port 1(eth0) entered blocking state
[   25.388064] br-lan: port 1(eth0) entered forwarding state
[   59.842575] usb 1-1.2: USB disconnect, device number 3

there was a reason why you were asked to only post the relevant part from dmesg....

this worked for me, and I think, I have done the things, but he missed telling that after reverting the settings, the USB-eth act as WAN, and built in act as 'LAN'.

this is a problem in openwrt, the ports can be reversed, based on the order they're detected by the kernel.

google "openwrt static interface names"

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