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wifi: mac80211: add pointer from link STA to STA

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While often not needed, this considerably simplifies going from a link
to the STA. This helps in cases such as debugfs where a single pointer
should allow accessing a specific link and the STA.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Benjamin Berg 2022-09-06 19:02:04 +02:00 committed by Johannes Berg
parent 8af9d4068e
commit 1d9e4c91db
2 changed files with 4 additions and 0 deletions
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3
include/net/mac80211.h
View File

@ -2176,6 +2176,7 @@ struct ieee80211_sta_aggregates {
* All link specific info for a STA link for a non MLD STA(single)
* or a MLD STA(multiple entries) are stored here.
*
* @sta: reference to owning STA
* @addr: MAC address of the Link STA. For non-MLO STA this is same as the addr
* in ieee80211_sta. For MLO Link STA this addr can be same or different
* from addr in ieee80211_sta (representing MLD STA addr)
@ -2196,6 +2197,8 @@ struct ieee80211_sta_aggregates {
*
*/
struct ieee80211_link_sta {
struct ieee80211_sta *sta;
u8 addr[ETH_ALEN];
u8 link_id;
enum ieee80211_smps_mode smps_mode;

1
net/mac80211/sta_info.c
View File

@ -511,6 +511,7 @@ static void sta_info_add_link(struct sta_info *sta,
link_info->sta = sta;
link_info->link_id = link_id;
link_info->pub = link_sta;
link_info->pub->sta = &sta->sta;
link_sta->link_id = link_id;
rcu_assign_pointer(sta->link[link_id], link_info);
rcu_assign_pointer(sta->sta.link[link_id], link_sta);