linux/drivers/net/wireless/quantenna, branch v5.7

qtnfmac: add interface combination check for repeater mode

2020-03-12T13:38:59Z

Firmware supports only STA as primary interface in repeater mode. Since the only meaningful usage of AP + STA interface combination is repeater, reject such combination with AP as primary interface. Signed-off-by: Dmitry Lebed Signed-off-by: Kalle Valo

qtnfmac: assign each wiphy to its own virtual platform device

2020-03-12T13:38:58Z

Quantenna Pearl device exposes multiple (up to 3) radio interfaces under single PCIe function. So far all the wiphy devices were attached to the same pcie device. As a result, all different wireless network devices were reported under the same sysfs directory for pcie device, e.g.: $ ls /sys/class/net/wlan0/device/net/ wlan0 wlan1 It turns out that such behavior may confuse various users of wireless subsystem. For instance, it turned out to be the case for: - Linux init systems, e.g. for renaming based on parent device - OpenWRT configuration scripts Suggested solution is to add an intermediate virtual platform device for each radio interface. Signed-off-by: Sergey Matyukevich Signed-off-by: Kalle Valo

qtnfmac: set valid edmg in cfg80211_chan_def

2020-03-12T13:38:57Z

Make sure that edmg field of cfg80211_chan_def structure is properly initialized by zeros. Otherwise cfg80211_chandef_valid may return false if edmg fields contain some garbage. Signed-off-by: Sergey Matyukevich Signed-off-by: Kalle Valo

qtnfmac: support WPA3 OWE in AP mode

2020-03-12T13:38:56Z

Enable WPA3 OWE support in AP mode. Driver currently supports cards that offload OWE processing to userspace. This patch adds all the required tools for such offloading. Firmware requests OWE processing sending new UPDATE_OWE event to driver, which uses cfg80211_update_owe_info_event to notify userspace software. After OWE processing is completed, userspace sends calculated IEs to firmware using update_owe_info cfg80211 callback. Signed-off-by: Sergey Matyukevich Signed-off-by: Kalle Valo

qtnfmac: support WPA3 SAE in AP mode

2020-03-12T13:38:55Z

Enable WPA3 SAE support in AP mode. Driver currently supports cards that offload SAE authentication to userspace. So allow userspace software to subscribe and to send AUTH frames. Besides, enable AP mode support in external_auth cfg80211 callback. Signed-off-by: Sergey Matyukevich Signed-off-by: Kalle Valo

qtnfmac: fix potential Spectre vulnerabilities

2020-02-12T16:16:49Z

Fix potential Spectre vulnerabilities and other warnings reported by smatch: drivers/net/wireless/quantenna/qtnfmac/core.c:49 qtnf_core_get_mac() warn: potential spectre issue 'bus->mac' [r] (local cap) drivers/net/wireless/quantenna/qtnfmac/core.c:51 qtnf_core_get_mac() warn: possible spectre second half. 'mac' drivers/net/wireless/quantenna/qtnfmac/event.c:671 qtnf_event_parse() warn: potential spectre issue 'mac->iflist' [r] (local cap) drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c:912 qtnf_pcie_skb_send() warn: variable dereferenced before check 'skb' (see line 881) Signed-off-by: Sergey Matyukevich Signed-off-by: Kalle Valo

qtnfmac: drop unnecessary TLVs from scan command

2020-02-12T16:16:48Z

Most part of scan command data is always present, so no need to keep it in TLV. Simplify scan command processing moving most part of its parameters into a fixed part of qlink_cmd_scan message. Use fixed dwell time values for normal scan when device is not connected, and allow wireless card decide on dwell times by itself if it's operating as a STA and is connected. When connected, card can select dwell times dynamically based on traffic conditions to get best results. Signed-off-by: Igor Mitsyanko Signed-off-by: Kalle Valo

qtnfmac: update channel switch command to support 6GHz band

2020-02-12T16:16:47Z

With an addition of 6GHz band support, channel number can no longer be used to uniquely identify a specific channel. Modify channel switch command to use chandef data. Signed-off-by: Igor Mitsyanko Signed-off-by: Kalle Valo

qtnfmac: cleanup alignment in firmware communication protocol

2020-02-12T16:16:46Z

Make sure that all elements in QLINK protocol message are aligned to 4 bytes. For this purpose add necessary amount of padding bytes to each message. Besides, add padding for non-aligned variable length fields, e.g. SSID, so that the first byte of the next variable length element is aligned. to 4 bytes. Finally, introduce TLV parsing helpers to reduce boilerplate TLV parsing code. Signed-off-by: Igor Mitsyanko Signed-off-by: Kalle Valo

qtnfmac: pass max scan SSIDs limit on per-radio basis

2020-02-12T16:16:45Z

Each radio on a given wifi device may have different max scan SSIDs limitation, so take this information from a per-radio info structure. Signed-off-by: Igor Mitsyanko Signed-off-by: Kalle Valo