Could this be something as simple as channel interference from a neighbor?
On Mon, Sep 23, 2024 at 8:41 PM Russell Senior <russ...@personaltelco.net>
wrote:
> Another useful command is:
>
> $ iw phy0 info | less
>
> Which will tell you a bunch of information about what channels are
> tunable and the modes (and combinations) the the radio supports.
>
> E.g.:
>
> Wiphy phy0
> wiphy index: 0
> max # scan SSIDs: 20
> max scan IEs length: 422 bytes
> max # sched scan SSIDs: 20
> max # match sets: 11
> Retry short limit: 7
> Retry long limit: 4
> Coverage class: 0 (up to 0m)
> Device supports RSN-IBSS.
> Device supports AP-side u-APSD.
> Supported Ciphers:
> * WEP40 (00-0f-ac:1)
> * WEP104 (00-0f-ac:5)
> * TKIP (00-0f-ac:2)
> * CCMP-128 (00-0f-ac:4)
> * CMAC (00-0f-ac:6)
> Available Antennas: TX 0x3 RX 0x3
> Configured Antennas: TX 0x3 RX 0x3
> Supported interface modes:
> * IBSS
> * managed
> * AP
> * AP/VLAN
> * monitor
> * P2P-client
> * P2P-GO
> * P2P-device
> Band 1:
> Capabilities: 0x11ef
> RX LDPC
> 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: 4 usec (0x05)
> HT Max RX data rate: 300 Mbps
> HT TX/RX MCS rate indexes supported: 0-15
> 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
> Frequencies:
> * 2412 MHz [1] (22.0 dBm)
> * 2417 MHz [2] (22.0 dBm)
> * 2422 MHz [3] (22.0 dBm)
> * 2427 MHz [4] (22.0 dBm)
> * 2432 MHz [5] (22.0 dBm)
> * 2437 MHz [6] (22.0 dBm)
> * 2442 MHz [7] (22.0 dBm)
> * 2447 MHz [8] (22.0 dBm)
> * 2452 MHz [9] (22.0 dBm)
> * 2457 MHz [10] (22.0 dBm)
> * 2462 MHz [11] (22.0 dBm)
> * 2467 MHz [12] (22.0 dBm)
> * 2472 MHz [13] (22.0 dBm)
> * 2484 MHz [14] (disabled)
> Band 2:
> Capabilities: 0x11ef
> RX LDPC
> 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: 4 usec (0x05)
> HT Max RX data rate: 300 Mbps
> HT TX/RX MCS rate indexes supported: 0-15
> VHT Capabilities (0x039071b0):
> Max MPDU length: 3895
> Supported Channel Width: neither 160 nor 80+80
> RX LDPC
> short GI (80 MHz)
> TX STBC
> SU Beamformee
> MU Beamformee
> 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: 0 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: 0 Mbps
> 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
> Frequencies:
> * 5180 MHz [36] (22.0 dBm)
> * 5200 MHz [40] (22.0 dBm)
> * 5220 MHz [44] (22.0 dBm)
> * 5240 MHz [48] (22.0 dBm)
> * 5260 MHz [52] (22.0 dBm) (no IR, radar detection)
> * 5280 MHz [56] (22.0 dBm) (no IR, radar detection)
> * 5300 MHz [60] (22.0 dBm) (no IR, radar detection)
> * 5320 MHz [64] (22.0 dBm) (no IR, radar detection)
> * 5340 MHz [68] (disabled)
> * 5360 MHz [72] (disabled)
> * 5380 MHz [76] (disabled)
> * 5400 MHz [80] (disabled)
> * 5420 MHz [84] (disabled)
> * 5440 MHz [88] (disabled)
> * 5460 MHz [92] (disabled)
> * 5480 MHz [96] (disabled)
> * 5500 MHz [100] (22.0 dBm) (no IR, radar
> detection)
> * 5520 MHz [104] (22.0 dBm) (no IR, radar
> detection)
> * 5540 MHz [108] (22.0 dBm) (no IR, radar
> detection)
> * 5560 MHz [112] (22.0 dBm) (no IR, radar
> detection)
> * 5580 MHz [116] (22.0 dBm) (no IR, radar
> detection)
> * 5600 MHz [120] (22.0 dBm) (no IR, radar
> detection)
> * 5620 MHz [124] (22.0 dBm) (no IR, radar
> detection)
> * 5640 MHz [128] (22.0 dBm) (no IR, radar
> detection)
> * 5660 MHz [132] (22.0 dBm) (no IR, radar
> detection)
> * 5680 MHz [136] (22.0 dBm) (no IR, radar
> detection)
> * 5700 MHz [140] (22.0 dBm) (no IR, radar
> detection)
> * 5720 MHz [144] (22.0 dBm) (no IR, radar
> detection)
> * 5745 MHz [149] (22.0 dBm)
> * 5765 MHz [153] (22.0 dBm)
> * 5785 MHz [157] (22.0 dBm)
> * 5805 MHz [161] (22.0 dBm)
> * 5825 MHz [165] (22.0 dBm)
> * 5845 MHz [169] (disabled)
> * 5865 MHz [173] (disabled)
> * 5885 MHz [177] (disabled)
> * 5905 MHz [181] (disabled)
> 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
> * start_sched_scan
> * probe_client
> * set_noack_map
> * register_beacons
> * start_p2p_device
> * set_mcast_rate
> * connect
> * disconnect
> * channel_switch
> * set_qos_map
> * add_tx_ts
> * set_multicast_to_unicast
> WoWLAN support:
> * wake up on disconnect
> * wake up on magic packet
> * wake up on pattern match, up to 20 patterns of 16-128
> bytes,
> maximum packet offset 0 bytes
> * can do GTK rekeying
> * wake up on GTK rekey failure
> * wake up on EAP identity request
> * wake up on 4-way handshake
> * wake up on rfkill release
> * wake up on network detection, up to 11 match sets
> software interface modes (can always be added):
> * AP/VLAN
> * monitor
> valid interface combinations:
> * #{ managed } <= 1, #{ AP, P2P-client, P2P-GO } <=
> 1, #{ P2P-device } <= 1,
> total <= 3, #channels <= 2
> 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.
> Device supports SAE with AUTHENTICATE command
> Device supports low priority scan.
> Device supports scan flush.
> Device supports per-vif TX power setting
> P2P GO supports CT window setting
> P2P GO supports opportunistic powersave setting
> Driver supports full state transitions for AP/GO clients
> Driver supports a userspace MPM
> Driver/device bandwidth changes during BSS lifetime (AP/GO mode)
> Device adds DS IE to probe requests
> Device can update TPC Report IE
> Device supports static SMPS
> Device supports dynamic SMPS
> Device supports WMM-AC admission (TSPECs)
> Device supports configuring vdev MAC-addr on create.
> Device supports randomizing MAC-addr in scans.
> Device supports randomizing MAC-addr in sched scans.
> Device supports randomizing MAC-addr in net-detect scans.
> max # scan plans: 2
> max scan plan interval: 65535
> max scan plan iterations: 254
> 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
> * P2P-device: 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 0xb0 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
> * P2P-device: 0x40 0xd0
> Supported extended features:
> * [ VHT_IBSS ]: VHT-IBSS
> * [ RRM ]: RRM
> * [ MU_MIMO_AIR_SNIFFER ]: MU-MIMO sniffer
> * [ SCAN_START_TIME ]: scan start timestamp
> * [ BSS_PARENT_TSF ]: BSS last beacon/probe TSF
> * [ FILS_STA ]: STA FILS (Fast Initial Link Setup)
> * [ FILS_MAX_CHANNEL_TIME ]: FILS max channel
> attribute override with dwell time
> * [ ACCEPT_BCAST_PROBE_RESP ]: accepts broadcast probe
> response
> * [ OCE_PROBE_REQ_HIGH_TX_RATE ]: probe request TX at
> high rate (at least 5.5Mbps)
> * [ OCE_PROBE_REQ_DEFERRAL_SUPPRESSION ]: probe
> request tx deferral and suppression
> * [ CONTROL_PORT_OVER_NL80211 ]: control port over nl80211
> * [ TXQS ]: FQ-CoDel-enabled intermediate TXQs
> * [ EXT_KEY_ID ]: Extended Key ID support
> * [ CONTROL_PORT_NO_PREAUTH ]: disable pre-auth over
> nl80211 control port support
> * [ DEL_IBSS_STA ]: deletion of IBSS station support
> * [ SCAN_FREQ_KHZ ]: scan on kHz frequency support
> * [ CONTROL_PORT_OVER_NL80211_TX_STATUS ]: tx status
> for nl80211 control port support
>
> On Mon, Sep 23, 2024 at 7:02 PM Russell Senior
> <russ...@personaltelco.net> wrote:
> >
> > It says 802.11a (amongst others "802.11a/b/g/n") which implies it also
> > can tune 5GHz channels.
> >
> > On Mon, Sep 23, 2024 at 7:00 PM Tomas Kuchta
> > <tomas.kuchta.li...@gmail.com> wrote:
> > >
> > > I noticed that the wifi card is 2.4GHz - if I have not overlooked the
> 5GHz
> > > part, it may not even have 5GHZ antena to plug into the new wifi 6e
> (ax)
> > > card. That could spoil the replacement idea.
> > >
> > > I suggest to open the laptop and look for the 5GHz antena. It may be
> there
> > > unplugged or taped to some safe spot.
> > >
> > > Tomas
> > >
> > > On Mon, Sep 23, 2024, 20:08 Russell Senior <russ...@personaltelco.net>
> > > wrote:
> > >
> > > > Broadcom wifi is famously bad on Linux because of hostility from
> > > > Broadcom to open source software. Broadcom is the NVidia of the
> > > > networking world. In theory, you might be able to replace the wifi
> > > > radio with an Intel wifi radio. Although, sometimes the radios are
> > > > locked by BIOS checks. Also, it seems to be limited to 802.11n (which
> > > > is a couple generations old), which could also explain the speed
> > > > differences.
> > > >
> > > > Maybe something like this would work:
> > > > https://www.amazon.com/dp/B09CDFV2CL/
> > > >
> > > > On Mon, Sep 23, 2024 at 4:48 PM David Fleck <dcfl...@protonmail.ch>
> wrote:
> > > > >
> > > > > Output of command:
> > > > >
> > > > > 25:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries
> > > > BCM43224 802.11a/b/g/n [14e4:4353] (rev 01)
> > > > > Subsystem: Hewlett-Packard Company WMIB-275N Half-size
> Mini PCIe
> > > > Card [103c:1509]
> > > > > Flags: bus master, fast devsel, latency 0, IRQ 19
> > > > > Memory at d4100000 (64-bit, non-prefetchable) [size=16K]
> > > > > Capabilities: [40] Power Management version 3
> > > > > Capabilities: [58] Vendor Specific Information: Len=78 <?>
> > > > > Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+
> > > > > Capabilities: [d0] Express Endpoint, MSI 00
> > > > > Capabilities: [100] Advanced Error Reporting
> > > > > Capabilities: [13c] Virtual Channel
> > > > > Capabilities: [160] Device Serial Number
> 00-00-7a-ff-ff-2b-20-10
> > > > > Capabilities: [16c] Power Budgeting <?>
> > > > > Kernel driver in use: bcma-pci-bridge
> > > > > Kernel modules: bcma
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > - David Fleck
> > > > >
> > > > >
> > > > > On Monday, September 23rd, 2024 at 2:27 PM, Russell Senior <
> > > > russ...@personaltelco.net> wrote:
> > > > >
> > > > > > e.g.:
> > > > > >
> > > > > > $ lspci | grep Network | awk '{ print $1}' | while read d ; do
> lspci
> > > > > > -s $d -v -nn ; done
> > > > > > aa:00.0 Network controller [0280]: Intel Corporation Wi-Fi 6
> > > > > > AX210/AX211/AX411 160MHz [8086:2725] (rev 1a)
> > > > > > Subsystem: Intel Corporation Wi-Fi 6 AX210 160MHz [8086:0024]
> > > > > > Flags: bus master, fast devsel, latency 0, IRQ 16, IOMMU group 17
> > > > > > Memory at 7a200000 (64-bit, non-prefetchable) [size=16K]
> > > > > > Capabilities: <access denied>
> > > > > >
> > > > > > Kernel driver in use: iwlwifi
> > > > > > Kernel modules: iwlwifi
> > > > > >
> > > > > > On Mon, Sep 23, 2024 at 9:24 AM Russell Senior
> > > > > > russ...@personaltelco.net wrote:
> > > > > >
> > > > > > > On Mon, Sep 23, 2024 at 5:51 AM David Fleck
> dcfl...@protonmail.ch
> > > > wrote:
> > > > > > >
> > > > > > > > So far, my laptop quest has lead me to an HP EliteBook 8560p
> cast
> > > > off by my employer. So, yay, free!
> > > > > > > >
> > > > > > > > Installed OpenSuse Leap 15.6, everything seems to just work,
> > > > except: battery is dead (easily fixed) and the wifi is
> molasses-in-January
> > > > slow, as in 2 orders of magnitude slower than other laptops in the
> house.
> > > > > > >
> > > > > > > A good place to start is to figure out what the wifi interface
> is.
> > > > > > > What does lspci call the wifi interface?
> > > > > > >
> > > > > > > --
> > > > > > > Russell Senior
> > > > > > > russ...@personaltelco.net
> > > >
>
