kernel/linux.git/net/mac80211/link.c, branch v6.1.174

wifi: mac80211: set default WMM parameters on all links

2026-03-25T10:03:02+00:00

[ Upstream commit 2259d14499d16b115ef8d5d2ddc867e2be7cb5b5 ] Currently, mac80211 only initializes default WMM parameters on the deflink during do_open(). For MLO cases, this leaves the additional links without proper WMM defaults if hostapd does not supply per-link WMM parameters, leading to inconsistent QoS behavior across links. Set default WMM parameters for each link during ieee80211_vif_update_links(), because this ensures all individual links in an MLD have valid WMM settings during bring-up and behave consistently across different BSS. Signed-off-by: Ramanathan Choodamani Signed-off-by: Aishwarya R Link: https://patch.msgid.link/20260205094216.3093542-1-aishwarya.r@oss.qualcomm.com Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin

wifi: mac80211: fix link activation settings order

2023-06-21T14:00:59+00:00

[ Upstream commit 01605ad6c3e8608d7e147c9b75d67eb8a3d27d88 ] In the normal MLME code we always call ieee80211_mgd_set_link_qos_params() before ieee80211_link_info_change_notify() and some drivers, notably iwlwifi, rely on that as they don't do anything (but store the data) in their conf_tx. Fix the order here to be the same as in the normal code paths, so this isn't broken. Fixes: 3d9011029227 ("wifi: mac80211: implement link switching") Signed-off-by: Johannes Berg Signed-off-by: Gregory Greenman Link: https://lore.kernel.org/r/20230608163202.a2a86bba2f80.Iac97e04827966d22161e63bb6e201b4061e9651b@changeid Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin

wifi: mac80211: move color collision detection report in a delayed work

2023-03-10T08:33:04+00:00

[ Upstream commit 9288188438d85e22c23cfd6657ee8a801babc83c ] Move color collision report in a dedicated delayed work and do not run it in interrupt context in order to rate-limit the number of events reported to userspace. Moreover grab wdev mutex in ieee80211_color_collision_detection_work routine since it is required by cfg80211_obss_color_collision_notify(). Tested-by: Nicolas Cavallari Signed-off-by: Lorenzo Bianconi Fixes: 5f9404abdf2a ("mac80211: add support for BSS color change") Link: https://lore.kernel.org/r/3f6cf60c892ad40c1cca4a55d62b1224ef1c6ce9.1674644379.git.lorenzo@kernel.org Signed-off-by: Johannes Berg Signed-off-by: Sasha Levin

wifi: mac80211: implement link switching

2022-09-06T08:17:20+00:00

Implement an API function and debugfs file to switch active links. Also provide an async version of the API so drivers can call it in arbitrary contexts, e.g. while in the authorized callback. Signed-off-by: Johannes Berg

wifi: mac80211: isolate driver from inactive links

2022-09-06T08:12:44+00:00

In order to let the driver select active links and properly make multi-link connections, as a first step isolate the driver from inactive links, and set the active links to be only the association link for client-side interfaces. For AP side nothing changes since APs always have to have all their links active. To simplify things, update the for_each_sta_active_link() API to include the appropriate vif pointer. This also implies not allocating a chanctx for an inactive link, which requires a few more changes. Since we now no longer try to program multiple links to the driver, remove the check in the MLME code. Signed-off-by: Johannes Berg

wifi: mac80211: move link code to a new file

2022-09-03T15:02:25+00:00

We probably should've done that originally, we already have about 300 lines of code there, and will add more. Move all the link code we wrote to a new file. Signed-off-by: Johannes Berg