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wl18xx: Bringing up wifi on 5GHz on OMAP5432

Srinivas Marka
Intellectual 535 points


Hi,

i am using OMAP5432 with linux kernel version 3.8.13-g89927f5 (followed gl-sdk-6)

wl18xx: wl18xx-fw-2.bin (taken from https://github.com/TI-OpenLink/wl18xx_fw)

i am trying to bring up wifi in 5GHz bandwidth frequncies using wpa_supplicant.

i have set operating channel in 5GHz (using supplicant conf), but after a successful connection, there is no data over the set operating channel instead the data transfer looks to be happening in 2.4GHz (Channel 1, verified using a wifi sniffer)

Even in the scan (using iw commands), only APs with 2.4GHz bandwidth frequencies are shown.

Questions:

1) How to bring up OMAP5432 EVM to use both 2.4GHz and 5GHz bandwidth frequencies?

2) Is the driver wl18xx-fw-2.bin an early stage driver which is yet to support 5GHz bandwidth frequencies?

3) using iwconfig, i could see only one interface (wlan0: b/g/n), if there is support for dual band, is it not supposed to show two interfaces (one for 2.4 GHz and one for 5GHz)?

-Srinivas.

  • 0
    TI__Guru* 85400 points

    Hi Srinivas,

    iwconfig will only give you one interface "wlan0" even if there is support for 2 bands.

    Can you try setting the frequency using the iwconfig command (eg: iwconfig wlan0 freq 36) ? Also what does "iwlist frequency" output?

    Also, where did you get the bin file from?

    Regards,

    Gigi Joseph.

  • 0 in reply to Joseph Gigi
    Intellectual 535 points

    Hello Gigi Joseph,

    Thanks for the reply.

    i got the .bin file from https://github.com/TI-OpenLink/wl18xx_fw

    please find the output for "iwlist frequency" and "iw list" in the below file.

    Fullscreen 7220.OMAP5432_iwlist.txt Download 
    omap5-evm:~# iwlist frequency
wlan0     32 channels in total; available frequencies :
          Channel 01 : 2.412 GHz
          Channel 02 : 2.417 GHz
          Channel 03 : 2.422 GHz
          Channel 04 : 2.427 GHz
          Channel 05 : 2.432 GHz
          Channel 06 : 2.437 GHz
          Channel 07 : 2.442 GHz
          Channel 08 : 2.447 GHz
          Channel 09 : 2.452 GHz
          Channel 10 : 2.457 GHz
          Channel 11 : 2.462 GHz
          Channel 36 : 5.18 GHz
          Channel 38 : 5.19 GHz
          Channel 40 : 5.2 GHz
          Channel 42 : 5.21 GHz
          Channel 44 : 5.22 GHz
          Channel 46 : 5.23 GHz
          Channel 48 : 5.24 GHz
          Channel 52 : 5.26 GHz
          Channel 56 : 5.28 GHz
          Channel 60 : 5.3 GHz
          Channel 64 : 5.32 GHz
          Channel 100 : 5.5 GHz
          Channel 104 : 5.52 GHz
          Channel 108 : 5.54 GHz
          Channel 112 : 5.56 GHz
          Channel 116 : 5.58 GHz
          Channel 132 : 5.66 GHz
          Channel 136 : 5.68 GHz
          Channel 140 : 5.7 GHz
          Channel 149 : 5.745 GHz
          Channel 153 : 5.765 GHz
lo        no frequency information.

eth0      no frequency information.

_________________________________________________

omap5-evm:~# iw list
Wiphy phy0
        Band 1:
                Capabilities: 0x1072
                        HT20/HT40
                        Static SM Power Save
                        RX Greenfield
                        RX HT20 SGI
                        RX HT40 SGI
                        No RX STBC
                        Max AMSDU length: 3839 bytes
                        DSSS/CCK HT40
                Maximum RX AMPDU length 16383 bytes (exponent: 0x001)
                Minimum RX AMPDU time spacing: 16 usec (0x07)
                HT TX/RX MCS rate indexes supported: 0-7
                Frequencies:
                        * 2412 MHz [1] (25.0 dBm)
                        * 2417 MHz [2] (25.0 dBm)
                        * 2422 MHz [3] (25.0 dBm)
                        * 2427 MHz [4] (25.0 dBm)
                        * 2432 MHz [5] (25.0 dBm)
                        * 2437 MHz [6] (25.0 dBm)
                        * 2442 MHz [7] (25.0 dBm)
                        * 2447 MHz [8] (25.0 dBm)
                        * 2452 MHz [9] (25.0 dBm)
                        * 2457 MHz [10] (25.0 dBm)
                        * 2462 MHz [11] (25.0 dBm)
                        * 2467 MHz [12] (disabled)
                        * 2472 MHz [13] (disabled)
                        * 2484 MHz [14] (disabled)
                Bitrates (non-HT):
                        * 1.0 Mbps
                        * 2.0 Mbps (short preamble supported)
                        * 5.5 Mbps (short preamble supported)
                        * 11.0 Mbps (short preamble supported)
                        * 6.0 Mbps
                        * 9.0 Mbps
                        * 12.0 Mbps
                        * 18.0 Mbps
                        * 24.0 Mbps
                        * 36.0 Mbps
                        * 48.0 Mbps
                        * 54.0 Mbps
        Band 2:
                Capabilities: 0x72
                        HT20/HT40
                        Static SM Power Save
                        RX Greenfield
                        RX HT20 SGI
                        RX HT40 SGI
                        No RX STBC
                        Max AMSDU length: 3839 bytes
                        No DSSS/CCK HT40
                Maximum RX AMPDU length 16383 bytes (exponent: 0x001)
                Minimum RX AMPDU time spacing: 16 usec (0x07)
                HT TX/RX MCS rate indexes supported: 0-7
                Frequencies:
                        * 5035 MHz [7] (disabled)
                        * 5040 MHz [8] (disabled)
                        * 5045 MHz [9] (disabled)
                        * 5055 MHz [11] (disabled)
                        * 5060 MHz [12] (disabled)
                        * 5080 MHz [16] (disabled)
                        * 5170 MHz [34] (disabled)
                        * 5180 MHz [36] (17.0 dBm)
                        * 5190 MHz [38] (17.0 dBm)
                        * 5200 MHz [40] (17.0 dBm)
                        * 5210 MHz [42] (17.0 dBm)
                        * 5220 MHz [44] (17.0 dBm)
                        * 5230 MHz [46] (17.0 dBm)
                        * 5240 MHz [48] (17.0 dBm)
                        * 5260 MHz [52] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5280 MHz [56] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5300 MHz [60] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5320 MHz [64] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5500 MHz [100] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5520 MHz [104] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5540 MHz [108] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5560 MHz [112] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5580 MHz [116] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5600 MHz [120] (disabled)
                        * 5620 MHz [124] (disabled)
                        * 5640 MHz [128] (disabled)
                        * 5660 MHz [132] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5680 MHz [136] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5700 MHz [140] (20.0 dBm) (passive scanning, no IBSS, radar detection)
                        * 5745 MHz [149] (25.0 dBm)
                        * 5765 MHz [153] (25.0 dBm)
                        * 5785 MHz [157] (25.0 dBm)
                        * 5805 MHz [161] (25.0 dBm)
                        * 5825 MHz [165] (25.0 dBm)
                Bitrates (non-HT):
                        * 6.0 Mbps
                        * 9.0 Mbps
                        * 12.0 Mbps
                        * 18.0 Mbps
                        * 24.0 Mbps
                        * 36.0 Mbps
                        * 48.0 Mbps
                        * 54.0 Mbps
        max # scan SSIDs: 1
        max scan IEs length: 441 bytes
        Coverage class: 0 (up to 0m)
        Supported Ciphers:
                * WEP40 (00-0f-ac:1)
                * WEP104 (00-0f-ac:5)
                * TKIP (00-0f-ac:2)
                * CCMP (00-0f-ac:4)
                * WPI-SMS4 (00-14-72:1)
        Available Antennas: TX 0 RX 0
        Supported interface modes:
                 * IBSS
                 * managed
                 * AP
                 * AP/VLAN
                 * monitor
                 * P2P-client
                 * P2P-GO
        software interface modes (can always be added):
                 * AP/VLAN
                 * monitor
        valid interface combinations:
                 * #{ managed } <= 3, #{ AP, P2P-client, P2P-GO } <= 1,
                   total <= 3, #channels <= 2
        Supported commands:
                 * new_interface
                 * set_interface
                 * new_key
                 * start_ap
                 * new_station
                 * new_mpath
                 * set_mesh_config
                 * set_bss
                 * authenticate
                 * associate
                 * deauthenticate
                 * disassociate
                 * join_ibss
                 * join_mesh
                 * remain_on_channel
                 * set_tx_bitrate_mask
                 * frame
                 * frame_wait_cancel
                 * set_wiphy_netns
                 * set_channel
                 * set_wds_peer
                 * start_sched_scan
                 * probe_client
                 * set_noack_map
                 * register_beacons
                 * Unknown command (89)
                 * Unknown command (92)
                 * testmode
                 * connect
                 * disconnect
        Supported TX frame types:
                 * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
                 * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
                 * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
                 * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
                 * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
                 * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
                 * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
                 * Unknown mode (10): 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
        Supported RX frame types:
                 * IBSS: 0x40 0xb0 0xc0 0xd0
                 * managed: 0x40 0xd0
                 * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
                 * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
                 * mesh point: 0xb0 0xc0 0xd0
                 * P2P-client: 0x40 0xd0
                 * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
                 * Unknown mode (10): 0x40 0xd0
        WoWLAN support:
                 * wake up on anything (device continues operating normally)
                 * wake up on pattern match, up to 5 patterns of 1-91 bytes
        Device supports AP-side u-APSD.
        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
        Device supports TX status socket option.
        Device supports HT-IBSS.

    -Srinivas.

  • 0 in reply to Srinivas Marka
    Intellectual 535 points

    Gigi Joseph,

    Belwo is the link for the version of .bin file i am using

    https://github.com/TI-OpenLink/wl18xx_fw/releases/tag/ol_r8.a7.02

  • 0 in reply to Srinivas Marka
    TI__Guru* 85400 points

    Hi Srinivas,

    What I meant is, if you do 'iwlist wlan0 frequency", you will know the available frequency and the current frequency.

    So, can you first do " iwconfig wlan0 freq 36", then confirm if the current freq is : 5G, set an AP in 5GHz (Chan#36) mode only, then do a scan and see if you can scan/connect to it? 

    Regards,

    Gigi Joseph.