diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2022-09-02 16:12:56 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-09-06 10:17:20 +0200 |
| commit | 3d901102922723eedce6ef10ebd03315a7abb8a5 (patch) | |
| tree | cf1ed5c54d4cb27760ff9cc0f66ab186806e2fb2 /net/mac80211/key.c | |
| parent | 4c51541ddb78cef2da9c4c30006c0d9d06ea9a77 (diff) | |
| download | linux-3d901102922723eedce6ef10ebd03315a7abb8a5.tar.gz linux-3d901102922723eedce6ef10ebd03315a7abb8a5.tar.bz2 linux-3d901102922723eedce6ef10ebd03315a7abb8a5.zip | |
wifi: mac80211: implement link switching
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 <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/key.c')
| -rw-r--r-- | net/mac80211/key.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c index f6f0f65fb255..e8f6c1e5eabf 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -1445,3 +1445,37 @@ void ieee80211_key_replay(struct ieee80211_key_conf *keyconf) } } EXPORT_SYMBOL_GPL(ieee80211_key_replay); + +int ieee80211_key_switch_links(struct ieee80211_sub_if_data *sdata, + unsigned long del_links_mask, + unsigned long add_links_mask) +{ + struct ieee80211_key *key; + int ret; + + list_for_each_entry(key, &sdata->key_list, list) { + if (key->conf.link_id < 0 || + !(del_links_mask & BIT(key->conf.link_id))) + continue; + + /* shouldn't happen for per-link keys */ + WARN_ON(key->sta); + + ieee80211_key_disable_hw_accel(key); + } + + list_for_each_entry(key, &sdata->key_list, list) { + if (key->conf.link_id < 0 || + !(add_links_mask & BIT(key->conf.link_id))) + continue; + + /* shouldn't happen for per-link keys */ + WARN_ON(key->sta); + + ret = ieee80211_key_enable_hw_accel(key); + if (ret) + return ret; + } + + return 0; +} |