linux.git/net/mac80211/link.c, branch v6.7

wifi: mac80211: Fix setting vif links

2023-10-23T09:43:28+00:00

When setting the interface links, ignore the change iff both the
valid links and the dormant links did not change. This is needed
to support cases where the valid links didn't change but the dormant
links did.

Fixes: 6d543b34dbcf ("wifi: mac80211: Support disabled links during association")
Signed-off-by: Ilan Peer 
Signed-off-by: Gregory Greenman 
Link: https://lore.kernel.org/r/20230928172905.0357b6306587.I7dbfec347949b629fea680d246a650d6207ff217@changeid
Signed-off-by: Johannes Berg

wifi: mac80211: handle debugfs when switching to/from MLO

2023-10-23T09:43:26+00:00

In MLO, we have a per-link debugfs directory which contains the
per-link files. In case of non-MLO we would like to put the per-link
files in the netdev directory to keep it how it was before MLO.

- Upon interface creation the netdev will be created with the per-link
  files in it.
- Upon switching to MLO: delete the entire netdev directory and then
  recreate it without the per-link files. Then the per-link directories
  with the per-link files in it will be created in ieee80211_link_init()
- Upon switching to non-MLO: delete the entire netdev directory
  (including the per-link directories) and recreate it with the per-link
  files in it.

Note that this also aligns to always call the vif link debugfs
method for the deflink as promised in the documentation, which
wasn't done before.

Signed-off-by: Miri Korenblit 
Signed-off-by: Johannes Berg 
Signed-off-by: Gregory Greenman 
Link: https://lore.kernel.org/r/20230928172905.082e698caca9.I5bef7b2026e0f58b4a958b3d1f459ac5baeccfc9@changeid
Signed-off-by: Johannes Berg

wifi: cfg80211: remove wdev mutex

2023-09-11T09:27:23+00:00

Since we're now protecting everything with the wiphy mutex
(and were really using it for almost everything before),
there's no longer any real reason to have a separate wdev
mutex. It may feel better, but really has no value.

Signed-off-by: Johannes Berg

wifi: mac80211: remove local->mtx

2023-09-11T09:27:22+00:00

We now hold the wiphy mutex everywhere that we use or
needed the local->mtx, so we don't need this mutex any
more. Remove it.

Most of this change was done automatically with spatch.

Signed-off-by: Johannes Berg

wifi: mac80211: remove key_mtx

2023-09-11T09:27:22+00:00

We now hold the wiphy mutex everywhere that we use or
needed the key_mtx, so we don't need this mutex any
more. Remove it.

Most of this change was done automatically with spatch.

Signed-off-by: Johannes Berg

wifi: mac80211: remove sta_mtx

2023-09-11T09:27:22+00:00

We now hold the wiphy mutex everywhere that we use or
needed the sta_mtx, so we don't need this mutex any
more. Remove it.

Most of this change was done automatically with spatch.

Signed-off-by: Johannes Berg

wifi: mac80211: move color change finalize to wiphy work

2023-09-11T09:27:21+00:00

Again this should be per link and will get cancellation
issues, move it to a wiphy work.

Reviewed-by: Emmanuel Grumbach 
Signed-off-by: Johannes Berg

wifi: mac80211: move CSA finalize to wiphy work

2023-09-11T09:27:21+00:00

This work should be made per link as well, and then
will have cancellation issues. Moving it to a wiphy
work already fixes those beforehand.

Reviewed-by: Emmanuel Grumbach 
Signed-off-by: Johannes Berg

wifi: mac80211: move link activation work to wiphy work

2023-09-11T09:27:20+00:00

We want to have the wiphy locked for these as well,
so move it to be a wiphy work.

Signed-off-by: Johannes Berg

wifi: mac80211: move DFS CAC work to wiphy work

2023-09-11T09:27:19+00:00

Move the DFS CAC work over to hold the wiphy lock
there without worry about work cancellation.

Reviewed-by: Emmanuel Grumbach 
Signed-off-by: Johannes Berg