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mac80211: generalise work handling

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In order to use auth/assoc for different purposes
other than MLME, it needs to be split up. For other
purposes, a generic work handling (potentially on
another channel) will be useful.

To achieve that, this patch moves much of the MLME
work handling out of mlme into a new work API. The
API can currently handle probing a specific AP,
authentication and association. The MLME previously
handled probe/authentication as one step and will
continue to do so, but they are separate in the new
work handling.

Work items are RCU-managed to be able to check for
existence of an item for a specific frame in the RX
path, but they can be re-used which the MLME right
now will do for its combined probe/auth step.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2009-12-23 13:15:35 +01:00
committed by John W. Linville
parent f679f65d41
commit af6b63741c
9 changed files with 1113 additions and 836 deletions
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11
net/mac80211/iface.c
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@@ -361,6 +361,11 @@ static int ieee80211_stop(struct net_device *dev)
*/
netif_stop_queue(dev);
/*
* Purge work for this interface.
*/
ieee80211_work_purge(sdata);
/*
* Now delete all active aggregation sessions.
*/
@@ -928,6 +933,9 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
struct ieee80211_sub_if_data *sdata;
int count = 0;
if (!list_empty(&local->work_list))
return ieee80211_idle_off(local, "working");
if (local->scanning)
return ieee80211_idle_off(local, "scanning");
@@ -936,8 +944,7 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
continue;
/* do not count disabled managed interfaces */
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
!sdata->u.mgd.associated &&
list_empty(&sdata->u.mgd.work_list))
!sdata->u.mgd.associated)
continue;
/* do not count unused IBSS interfaces */
if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&