I found this router at a flea market. It takes the same OEM firmware as Revs C1 and C2. The download page doesn't differentiate between C1, C2, or C3.
Since the C2 version in https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=209b36825458a439fb9f0edd36f11e6528400f87 works with Rev C1, I thought I would give it a try. It was successful.
This device, like the C1, does not have a USB port
The label on the bottom says
P/N EIR842MEU...C3E
H/W Ver.: C3 F/W Ver.: 3.10EU
SN: XXXXXXXXXXXX
Is it possibly an EU version?
Bootlog:
[ 0.000000] Linux version 4.19.57 (builder@buildhost) (gcc version 7.4.0 (OpenWrt GCC 7.4.0 r10574-273b803623)) #0 Wed Jul 24 18:36:27 2019
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 00019750 (MIPS 74Kc)
[ 0.000000] MIPS: machine is D-Link DIR-842 C2
[ 0.000000] SoC: Qualcomm Atheros QCA956X ver 1 rev 0
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 08000000 @ 00000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 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] On node 0 totalpages: 32768
[ 0.000000] Normal zone: 288 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 32768 pages, LIFO batch:7
[ 0.000000] random: get_random_bytes called from start_kernel+0x98/0x4b0 with crng_init=0
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 32480
[ 0.000000] Kernel command line: console=ttyS0,115200n8 rootfstype=squashfs,jffs2
[ 0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.000000] Writing ErrCtl register=00000000
[ 0.000000] Readback ErrCtl register=00000000
[ 0.000000] Memory: 122164K/131072K available (4500K kernel code, 180K rwdata, 1052K rodata, 1236K init, 214K bss, 8908K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS: 51
[ 0.000000] CPU clock: 775.000 MHz
[ 0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 4932285024 ns
[ 0.000007] sched_clock: 32 bits at 387MHz, resolution 2ns, wraps every 5541893118ns
[ 0.008229] Calibrating delay loop... 385.84 BogoMIPS (lpj=1929216)
[ 0.074769] pid_max: default: 32768 minimum: 301
[ 0.079833] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.086819] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.098462] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.108869] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.115425] pinctrl core: initialized pinctrl subsystem
[ 0.123254] NET: Registered protocol family 16
[ 0.134808] PCI host bridge /ahb/pcie-controller@18250000 ranges:
[ 0.141300] MEM 0x0000000012000000..0x0000000013ffffff
[ 0.146800] IO 0x0000000000000000..0x0000000000000000
[ 0.170221] PCI host bridge to bus 0000:00
[ 0.174594] pci_bus 0000:00: root bus resource [mem 0x12000000-0x13ffffff]
[ 0.181837] pci_bus 0000:00: root bus resource [io 0x0000]
[ 0.187723] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[ 0.194875] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[ 0.203259] pci 0000:00:00.0: [168c:0056] type 00 class 0x028000
[ 0.203316] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x001fffff 64bit]
[ 0.203439] pci 0000:00:00.0: PME# supported from D0 D3hot
[ 0.204403] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
[ 0.204427] pci 0000:00:00.0: BAR 0: assigned [mem 0x12000000-0x121fffff 64bit]
[ 0.215290] clocksource: Switched to clocksource MIPS
[ 0.221641] NET: Registered protocol family 2
[ 0.227103] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes)
[ 0.235204] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.242603] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.249324] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.256155] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.262321] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.269282] NET: Registered protocol family 1
[ 0.273912] PCI: CLS 0 bytes, default 32
[ 0.276776] Crashlog allocated RAM at address 0x3f00000
[ 0.283583] workingset: timestamp_bits=14 max_order=15 bucket_order=1
[ 0.296377] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.302525] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 0.325775] io scheduler noop registered
[ 0.329905] io scheduler deadline registered (default)
[ 0.336110] ar7200-usb-phy usb-phy: phy reset is missing
[ 0.343181] pinctrl-single 1804002c.pinmux: 544 pins, size 68
[ 0.350315] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
[ 0.359188] console [ttyS0] disabled
[ 0.362979] 18020000.uart: ttyS0 at MMIO 0x18020000 (irq = 9, base_baud = 1562500) is a 16550A
[ 0.372120] console [ttyS0] enabled
[ 0.379682] bootconsole [early0] disabled
[ 0.397712] m25p80 spi0.0: mx25l12805d (16384 Kbytes)
[ 0.402982] 8 fixed-partitions partitions found on MTD device spi0.0
[ 0.409596] Creating 8 MTD partitions on "spi0.0":
[ 0.414558] 0x000000000000-0x000000040000 : "u-boot"
[ 0.420456] 0x000000040000-0x000000050000 : "u-boot-env"
[ 0.426691] 0x000000050000-0x000000060000 : "devdata"
[ 0.432597] 0x000000060000-0x000000070000 : "devconf"
[ 0.438554] 0x000000070000-0x000000080000 : "misc"
[ 0.444193] 0x000000080000-0x000000fd0000 : "firmware"
[ 0.455078] 2 seama-fw partitions found on MTD device firmware
[ 0.461153] Creating 2 MTD partitions on "firmware":
[ 0.466305] 0x000000000040-0x0000001d0000 : "kernel"
[ 0.472146] 0x0000001d0000-0x000000f50000 : "rootfs"
[ 0.477974] mtd: device 7 (rootfs) set to be root filesystem
[ 0.485265] 1 squashfs-split partitions found on MTD device rootfs
[ 0.491720] 0x000000470000-0x000000f50000 : "rootfs_data"
[ 0.498060] 0x000000fd0000-0x000000fe0000 : "art"
[ 0.503590] 0x000000fe0000-0x000001000000 : "reserved"
[ 0.510672] libphy: Fixed MDIO Bus: probed
[ 0.517951] ag71xx 19000000.eth: invalid MAC address, using random address
[ 1.195675] libphy: ag71xx_mdio: probed
[ 1.202682] switch0: Atheros AR8337 rev. 2 switch registered on mdio-bus.0
[ 1.856769] ag71xx 19000000.eth: connected to PHY at mdio-bus.0:00 [uid=004dd036, driver=Atheros AR8216/AR8236/AR8316]
[ 1.868425] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode: sgmii
[ 1.877276] NET: Registered protocol family 10
[ 1.887171] Segment Routing with IPv6
[ 1.891052] NET: Registered protocol family 17
[ 1.895773] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 1.909171] 8021q: 802.1Q VLAN Support v1.8
[ 1.915718] hctosys: unable to open rtc device (rtc0)
[ 1.927575] VFS: Mounted root (squashfs filesystem) readonly on device 31:7.
[ 1.941782] Freeing unused kernel memory: 1236K
[ 1.946494] This architecture does not have kernel memory protection.
[ 1.953140] Run /sbin/init as init process
[ 2.545300] random: fast init done
[ 2.815118] init: Console is alive
[ 2.818913] init: - watchdog -
[ 4.379981] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[ 4.537165] usbcore: registered new interface driver usbfs
[ 4.542886] usbcore: registered new interface driver hub
[ 4.548506] usbcore: registered new device driver usb
[ 4.559748] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 4.568085] ehci-platform: EHCI generic platform driver
[ 4.573688] ehci-platform 1b000000.usb: EHCI Host Controller
[ 4.579617] ehci-platform 1b000000.usb: new USB bus registered, assigned bus number 1
[ 4.587818] ehci-platform 1b000000.usb: irq 13, io mem 0x1b000000
[ 4.615313] ehci-platform 1b000000.usb: USB 2.0 started, EHCI 1.00
[ 4.622435] hub 1-0:1.0: USB hub found
[ 4.626776] hub 1-0:1.0: 1 port detected
[ 4.631925] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[ 4.649844] init: - preinit -
[ 5.579712] random: jshn: uninitialized urandom read (4 bytes read)
[ 5.690371] random: jshn: uninitialized urandom read (4 bytes read)
[ 6.110249] random: jshn: uninitialized urandom read (4 bytes read)
[ 7.402098] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 7.408262] IPv6: ADDRCONF(NETDEV_UP): eth0.1: link is not ready
[ 7.445629] urandom_read: 4 callbacks suppressed
[ 7.445635] random: procd: uninitialized urandom read (4 bytes read)
[ 8.426617] eth0: link up (1000Mbps/Full duplex)
[ 8.431473] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 8.438313] IPv6: ADDRCONF(NETDEV_CHANGE): eth0.1: link becomes ready
[ 10.821006] jffs2: notice: (557) jffs2_build_xattr_subsystem: complete building xattr subsystem, 6 of xdatum (3 unchecked, 3 orphan) and 45 of xref (3 dead, 0 orphan) found.
[ 10.840997] mount_root: switching to jffs2 overlay
[ 10.867608] overlayfs: upper fs does not support tmpfile.
[ 10.880389] urandom-seed: Seeding with /etc/urandom.seed
[ 10.989960] eth0: link down
[ 11.014490] procd: - early -
[ 11.017633] procd: - watchdog -
[ 11.650654] procd: - watchdog -
[ 11.654157] procd: - ubus -
[ 11.683274] random: ubusd: uninitialized urandom read (4 bytes read)
[ 11.708104] random: ubusd: uninitialized urandom read (4 bytes read)
[ 11.716065] procd: - init -
[ 12.368350] kmodloader: loading kernel modules from /etc/modules.d/*
[ 12.418322] Loading modules backported from Linux version v5.2-rc7-0-g6fbc7275c7a9
[ 12.426201] Backport generated by backports.git v5.2-rc7-1-0-g021a6ba1
[ 12.483195] urngd: v1.0.0 started.
[ 12.488367] xt_time: kernel timezone is -0000
[ 12.605974] PPP generic driver version 2.4.2
[ 12.626231] NET: Registered protocol family 24
[ 12.698341] ath10k 4.19 driver, optimized for CT firmware, probing pci device: 0x56.
[ 12.727486] ath10k_pci 0000:00:00.0: enabling device (0000 -> 0002)
[ 12.734268] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[ 12.748477] random: crng init done
[ 13.068434] firmware ath10k!fwcfg-pci-0000:00:00.0.txt: firmware_loading_store: map pages failed
[ 13.262174] firmware ath10k!QCA9888!hw2.0!ct-firmware-5.bin: firmware_loading_store: map pages failed
[ 13.456643] firmware ath10k!QCA9888!hw2.0!ct-firmware-2.bin: firmware_loading_store: map pages failed
[ 13.650589] firmware ath10k!QCA9888!hw2.0!firmware-6.bin: firmware_loading_store: map pages failed
[ 14.472755] ath10k_pci 0000:00:00.0: qca9888 hw2.0 target 0x01000000 chip_id 0x00000000 sub 0000:0000
[ 14.482323] ath10k_pci 0000:00:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 1 testmode 0
[ 14.502344] ath10k_pci 0000:00:00.0: firmware ver 10.4b-ct-9888-fW-012-e8020273 api 5 features mfp,peer-flow-ctrl,txstatus-noack,wmi-10.x-CT,ratemask-CT,regdump-CT,txrate-CT,flush-all-CT,pingpong-CT,ch-regs-CT,nop-CT,set-special-CT,tx-rc-CT,cust-stats-CT,txrate2-CT,beacon-cb-CT,wmi-block-ack-CT,wmi-bcn-rc-CT crc32 d41e2174
[ 14.877562] ath10k_pci 0000:00:00.0: board_file api 2 bmi_id 0:18 crc32 f228337a
[ 16.947340] ath10k_pci 0000:00:00.0: 10.4 wmi init: vdevs: 16 peers: 48 tid: 96
[ 16.955083] ath10k_pci 0000:00:00.0: msdu-desc: 2500 skid: 32
[ 16.985373] ath10k_pci 0000:00:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186 msdu-desc: 2500 sw-crypt: 0 ct-sta: 0'
[ 16.996733] ath10k_pci 0000:00:00.0: wmi print 'free: 117872 iram: 22724 sram: 26020'
[ 17.206365] ath10k_pci 0000:00:00.0: htt-ver 2.2 wmi-op 6 htt-op 4 cal pre-cal-file max-sta 32 raw 0 hwcrypto 1
[ 17.318188] ath: EEPROM regdomain: 0x0
[ 17.318195] ath: EEPROM indicates default country code should be used
[ 17.318199] ath: doing EEPROM country->regdmn map search
[ 17.318212] ath: country maps to regdmn code: 0x3a
[ 17.318217] ath: Country alpha2 being used: US
[ 17.318220] ath: Regpair used: 0x3a
[ 17.443111] ath: EEPROM regdomain: 0x0
[ 17.443119] ath: EEPROM indicates default country code should be used
[ 17.443122] ath: doing EEPROM country->regdmn map search
[ 17.443135] ath: country maps to regdmn code: 0x3a
[ 17.443140] ath: Country alpha2 being used: US
[ 17.443142] ath: Regpair used: 0x3a
[ 17.455133] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
[ 17.456660] ieee80211 phy1: Atheros AR9561 Rev:0 mem=0xb8100000, irq=2
[ 17.466362] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 27.832336] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 27.857780] device eth0 entered promiscuous mode
[ 27.865761] br-lan: port 1(eth0.1) entered blocking state
[ 27.871341] br-lan: port 1(eth0.1) entered disabled state
[ 27.877276] device eth0.1 entered promiscuous mode
[ 27.921686] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
[ 27.975983] IPv6: ADDRCONF(NETDEV_UP): eth0.2: link is not ready
[ 28.907007] eth0: link up (1000Mbps/Full duplex)
[ 28.911861] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 29.065419] br-lan: port 1(eth0.1) entered blocking state
[ 29.071006] br-lan: port 1(eth0.1) entered forwarding state
[ 29.077050] IPv6: ADDRCONF(NETDEV_CHANGE): eth0.2: link becomes ready
[ 29.166480] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
iw list
Wiphy phy1
max # scan SSIDs: 4
max scan IEs length: 2257 bytes
max # sched scan SSIDs: 0
max # match sets: 0
max # scan plans: 1
max scan plan interval: -1
max scan plan iterations: 0
Retry short limit: 7
Retry long limit: 4
Coverage class: 0 (up to 0m)
Device supports AP-side u-APSD.
Device supports T-DLS.
Available Antennas: TX 0x3 RX 0x3
Configured Antennas: TX 0x3 RX 0x3
Supported interface modes:
* IBSS
* managed
* AP
* AP/VLAN
* monitor
* mesh point
* P2P-client
* P2P-GO
* outside context of a BSS
Band 1:
Capabilities: 0x11ee
HT20/HT40
SM Power Save disabled
RX HT20 SGI
RX HT40 SGI
TX STBC
RX STBC 1-stream
Max AMSDU length: 3839 bytes
DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 8 usec (0x06)
HT TX/RX MCS rate indexes supported: 0-15
Frequencies:
* 2412 MHz [1] (24.0 dBm)
* 2417 MHz [2] (24.0 dBm)
* 2422 MHz [3] (24.0 dBm)
* 2427 MHz [4] (24.0 dBm)
* 2432 MHz [5] (24.0 dBm)
* 2437 MHz [6] (24.0 dBm)
* 2442 MHz [7] (24.0 dBm)
* 2447 MHz [8] (24.0 dBm)
* 2452 MHz [9] (24.0 dBm)
* 2457 MHz [10] (24.0 dBm)
* 2462 MHz [11] (24.0 dBm)
* 2467 MHz [12] (disabled)
* 2472 MHz [13] (disabled)
* 2484 MHz [14] (disabled)
valid interface combinations:
* #{ managed } <= 2048, #{ AP, mesh point } <= 8, #{ P2P-client, P2P-GO } <= 1, #{ IBSS } <= 1,
total <= 2048, #channels <= 1, STA/AP BI must match, radar detect widths: { 20 MHz (no HT), 20 MHz, 40 MHz }
HT Capability overrides:
* MCS: ff ff ff ff ff ff ff ff ff ff
* maximum A-MSDU length
* supported channel width
* short GI for 40 MHz
* max A-MPDU length exponent
* min MPDU start spacing
Supported extended features:
* [ RRM ]: RRM
* [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
* [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211
* [ TXQS ]: FQ-CoDel-enabled intermediate TXQs
Wiphy phy0
max # scan SSIDs: 16
max scan IEs length: 199 bytes
max # sched scan SSIDs: 0
max # match sets: 0
max # scan plans: 1
max scan plan interval: -1
max scan plan iterations: 0
Retry short limit: 7
Retry long limit: 4
Coverage class: 0 (up to 0m)
Device supports AP-side u-APSD.
Device supports T-DLS.
Available Antennas: TX 0x3 RX 0x3
Configured Antennas: TX 0x3 RX 0x3
Supported interface modes:
* IBSS
* managed
* AP
* monitor
* mesh point
* P2P-client
* P2P-GO
* P2P-device
Band 2:
Capabilities: 0x19ef
RX LDPC
HT20/HT40
SM Power Save disabled
RX HT20 SGI
RX HT40 SGI
TX STBC
RX STBC 1-stream
Max AMSDU length: 7935 bytes
DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 8 usec (0x06)
HT TX/RX MCS rate indexes supported: 0-15
VHT Capabilities (0x339979fa):
Max MPDU length: 11454
Supported Channel Width: 160 MHz, 80+80 MHz
RX LDPC
short GI (80 MHz)
short GI (160/80+80 MHz)
TX STBC
SU Beamformer
SU Beamformee
MU Beamformer
MU Beamformee
RX antenna pattern consistency
TX antenna pattern consistency
VHT RX MCS set:
1 streams: MCS 0-9
2 streams: MCS 0-9
3 streams: not supported
4 streams: not supported
5 streams: not supported
6 streams: not supported
7 streams: not supported
8 streams: not supported
VHT RX highest supported: 780 Mbps
VHT TX MCS set:
1 streams: MCS 0-9
2 streams: MCS 0-9
3 streams: not supported
4 streams: not supported
5 streams: not supported
6 streams: not supported
7 streams: not supported
8 streams: not supported
VHT TX highest supported: 780 Mbps
Frequencies:
* 5180 MHz [36] (23.0 dBm)
* 5200 MHz [40] (23.0 dBm)
* 5220 MHz [44] (23.0 dBm)
* 5240 MHz [48] (23.0 dBm)
* 5260 MHz [52] (23.0 dBm) (radar detection)
* 5280 MHz [56] (23.0 dBm) (radar detection)
* 5300 MHz [60] (23.0 dBm) (radar detection)
* 5320 MHz [64] (23.0 dBm) (radar detection)
* 5500 MHz [100] (23.0 dBm) (radar detection)
* 5520 MHz [104] (23.0 dBm) (radar detection)
* 5540 MHz [108] (23.0 dBm) (radar detection)
* 5560 MHz [112] (23.0 dBm) (radar detection)
* 5580 MHz [116] (23.0 dBm) (radar detection)
* 5600 MHz [120] (23.0 dBm) (radar detection)
* 5620 MHz [124] (23.0 dBm) (radar detection)
* 5640 MHz [128] (23.0 dBm) (radar detection)
* 5660 MHz [132] (23.0 dBm) (radar detection)
* 5680 MHz [136] (23.0 dBm) (radar detection)
* 5700 MHz [140] (23.0 dBm) (radar detection)
* 5720 MHz [144] (23.0 dBm) (radar detection)
* 5745 MHz [149] (30.0 dBm)
* 5765 MHz [153] (30.0 dBm)
* 5785 MHz [157] (30.0 dBm)
* 5805 MHz [161] (30.0 dBm)
* 5825 MHz [165] (30.0 dBm)
* 5845 MHz [169] (disabled)
* 5865 MHz [173] (disabled)
valid interface combinations:
* #{ managed } <= 16, #{ AP, mesh point } <= 16, #{ IBSS } <= 1,
total <= 16, #channels <= 1, STA/AP BI must match, radar detect widths: { 20 MHz (no HT), 20 MHz, 40 MHz, 80 MHz }
HT Capability overrides:
* MCS: ff ff ff ff ff ff ff ff ff ff
* maximum A-MSDU length
* supported channel width
* short GI for 40 MHz
* max A-MPDU length exponent
* min MPDU start spacing
Supported extended features:
* [ VHT_IBSS ]: VHT-IBSS
* [ RRM ]: RRM
* [ SET_SCAN_DWELL ]: scan dwell setting
* [ CQM_RSSI_LIST ]: multiple CQM_RSSI_THOLD records
* [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211
* [ TXQS ]: FQ-CoDel-enabled intermediate TXQs
Forum for Rev C1: Support for DIR-842 rev: C1
Forum for Rev C2: Support for D-Link DIR-842 (Rev C2)
edit: it is also Realtek, see below