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mac80211: implement sta_add/sta_remove in sta_state 

Instead of maintaining separate sta_add/sta_remove
callsites, implement it in sta_state when the driver
has no sta_state implementation.

The only behavioural change this should cause is in
secure mesh mode: with this the station entries will
only be created after the stations are set to AUTH.
Given which drivers support mesh, this seems to not
be a problem.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2012-01-20 13:55:22 +01:00 committed by John W. Linville
parent f09603a259
commit a4ec45a421
4 changed files with 19 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
net/mac80211/driver-ops.h
View File

@ -493,9 +493,18 @@ int drv_sta_state(struct ieee80211_local *local,
check_sdata_in_driver(sdata);
trace_drv_sta_state(local, sdata, &sta->sta, old_state, new_state);
if (local->ops->sta_state)
if (local->ops->sta_state) {
ret = local->ops->sta_state(&local->hw, &sdata->vif, &sta->sta,
old_state, new_state);
} else if (old_state == IEEE80211_STA_AUTH &&
new_state == IEEE80211_STA_ASSOC) {
ret = drv_sta_add(local, sdata, &sta->sta);
if (ret == 0)
sta->uploaded = true;
} else if (old_state == IEEE80211_STA_ASSOC &&
new_state == IEEE80211_STA_AUTH) {
drv_sta_remove(local, sdata, &sta->sta);
}
trace_drv_return_int(local, ret);
return ret;
}

2
net/mac80211/pm.c
View File

@ -100,8 +100,6 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
if (sta->uploaded) {
enum ieee80211_sta_state state;
drv_sta_remove(local, sta->sdata, &sta->sta);
state = sta->sta_state;
for (; state > IEEE80211_STA_NOTEXIST; state--)
WARN_ON(drv_sta_state(local, sdata, sta,

23
net/mac80211/sta_info.c
View File

@ -365,7 +365,12 @@ static int sta_info_insert_drv_state(struct ieee80211_local *local,
}
if (!err) {
sta->uploaded = true;
/*
* Drivers using legacy sta_add/sta_remove callbacks only
* get uploaded set to true after sta_add is called.
*/
if (!local->ops->sta_add)
sta->uploaded = true;
return 0;
}
@ -417,18 +422,9 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
if (!sta->dummy || dummy_reinsert) {
/* notify driver */
err = drv_sta_add(local, sdata, &sta->sta);
if (err) {
if (sdata->vif.type != NL80211_IFTYPE_ADHOC)
goto out_err;
printk(KERN_DEBUG "%s: failed to add IBSS STA %pM to "
"driver (%d) - keeping it anyway.\n",
sdata->name, sta->sta.addr, err);
} else {
err = sta_info_insert_drv_state(local, sdata, sta);
if (err)
goto out_err;
}
err = sta_info_insert_drv_state(local, sdata, sta);
if (err)
goto out_err;
}
if (!dummy_reinsert) {
@ -802,7 +798,6 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
}
if (sta->uploaded) {
drv_sta_remove(local, sdata, &sta->sta);
ret = drv_sta_state(local, sdata, sta, IEEE80211_STA_NONE,
IEEE80211_STA_NOTEXIST);
WARN_ON_ONCE(ret != 0);

2
net/mac80211/util.c
View File

@ -1187,8 +1187,6 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (sta->uploaded) {
enum ieee80211_sta_state state;
WARN_ON(drv_sta_add(local, sta->sdata, &sta->sta));
for (state = IEEE80211_STA_NOTEXIST;
state < sta->sta_state - 1; state++)
WARN_ON(drv_sta_state(local, sta->sdata, sta,