On Sun, 2023-01-22 at 21:31 -0800, Doug Brown wrote: > This series implements two fixes for the libertas driver that restore > compatibility with modern wpa_supplicant versions, and adds (or at > least > improves) support for WPS in the process. > > 1) Better handling of the RSN/WPA IE in association requests: > The previous logic was always just grabbing the first one, and > didn't > handle multiple IEs properly, which wpa_supplicant adds nowadays. > > 2) Support for IEs in scan requests: > Modern wpa_supplicant always adds an "extended capabilities" IE, > which violates max_scan_ie_len in this driver. Go ahead and allow > scan IEs, and handle WPS based on the info that Dan provided. > > These changes have been tested on a Marvell PXA168-based device with > a > Marvell 88W8686 Wi-Fi chipset. I've confirmed that with these changes > applied, modern wpa_supplicant versions connect properly and WPS also > works correctly (tested with "wpa_cli -i wlan0 wps_pbc any"). Tested with a usb8388 (fw 9.34.3p23), x86, wpa_supplicant 2.10. Scanning and connecting to a WPA2 AP works. Doesn't panic when I pull the dongle out. Ship it! Reviewed-by: Dan Williams <dcbw@xxxxxxxxxx> Tested-by: Dan Williams <dcbw@xxxxxxxxxx> Dan > > Changes since V3: > - Do more extensive code style fixes suggested by Ping-Ke Shih > > Changes since V2: > - Add missing cpu_to_le16 as suggested by Simon Horman > > Changes since V1 (which was a single patch linked here [1]): > > - Switch to cfg80211_find_*_elem when looking for specific IEs, > resulting in cleaner/safer code. > - Use mrvl_ie_data struct for cleaner manipulation of TLV buffer, and > fix capitalization of the "data" member to avoid checkpatch > warnings. > - Implement idea suggested by Dan to change max_scan_ie_len to be > nonzero and enable WPS support in probe requests while we're at it. > - Remove "Fixes:" tag; I'm not sure if it's still appropriate or not > with it depending on the capitalization fix. > - Clarify comments. > > [1] > https://lore.kernel.org/all/20230102234714.169831-1-doug@xxxxxxxxxxxxx/ > > Doug Brown (4): > wifi: libertas: fix code style in Marvell structs > wifi: libertas: only add RSN/WPA IE in lbs_add_wpa_tlv > wifi: libertas: add new TLV type for WPS enrollee IE > wifi: libertas: add support for WPS enrollee IE in probe requests > > drivers/net/wireless/marvell/libertas/cfg.c | 76 +++++++++++++++-- > -- > drivers/net/wireless/marvell/libertas/types.h | 21 ++--- > 2 files changed, 74 insertions(+), 23 deletions(-) >
