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linux/net/mac80211
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Johannes Berg 2a419056c1 mac80211: simplify station/aggregation code 
A number of places use RCU locking for accessing
the station list, even though they do not need
to. Use mutex locking instead to prepare for the
locking changes I want to make. The mlme code is
also using a WLAN_STA_DISASSOC flag that has the
same meaning as WLAN_STA_BLOCK_BA, so use that.

While doing so, combine places where we loop
over stations twice, and optimise away some of
the loops by checking if the hardware supports
aggregation at all first.

Also fix a more theoretical race condition: right
now we could resume, set up an aggregation session,
and right after tear it down again due to the code
that is needed for hardware reconfiguration here.
Also mark add a comment to that code marking it as
a workaround.

Finally, remove a pointless aggregation disabling
loop when an interface is stopped, directly after
that we remove all stations from it which will also
disable all aggregation sessions that may still be
active, and does so in a race-free way unlike the
current loop that doesn't block new sessions.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-06-14 15:38:16 -04:00
..
aes_ccm.c mac80211: aes_ccm.c remove crypto wrapper and extra args 2008-07-08 14:16:02 -04:00
aes_ccm.h mac80211: pass scratch buffer directly, remove additional pointers 2008-07-08 14:16:02 -04:00
aes_cmac.c mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00
aes_cmac.h mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00
agg-rx.c Merge branch 'master' into for-davem 2010-04-23 14:43:45 -04:00
agg-tx.c mac80211: simplify station/aggregation code 2010-06-14 15:38:16 -04:00
cfg.c cfg80211/mac80211: allow action frame TX/RX in IBSS 2010-06-14 15:38:16 -04:00
cfg.h
chan.c mac80211: make a function static 2010-05-28 13:41:27 -04:00
debugfs.c mac80211: reduce debugfs code size 2010-06-03 14:14:41 -04:00
debugfs.h net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
debugfs_key.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
debugfs_key.h mac80211: 802.11w - Use BIP (AES-128-CMAC) 2009-01-29 16:00:03 -05:00
debugfs_netdev.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2010-04-15 16:21:34 -04:00
debugfs_netdev.h mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
debugfs_sta.c mac80211: reduce debugfs code size 2010-06-03 14:14:41 -04:00
debugfs_sta.h mac80211: RCU-ify STA info structure access 2008-03-06 15:30:46 -05:00
driver-ops.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2010-06-07 15:13:46 -04:00
driver-trace.c mac80211: fix sparse warnings/errors 2009-08-04 16:43:25 -04:00
driver-trace.h mac80211: clean up ieee80211_stop_tx_ba_session 2010-06-03 14:10:45 -04:00
event.c cfg80211: use proper allocation flags 2009-07-10 15:01:49 -04:00
ht.c mac80211: remove ieee80211_sta_stop_rx_ba_session 2010-04-07 14:38:03 -04:00
ibss.c mac80211: remove bogus mod_timer() call 2010-06-03 14:10:44 -04:00
ieee80211_i.h cfg80211/mac80211: allow action frame TX/RX in IBSS 2010-06-14 15:38:16 -04:00
iface.c mac80211: simplify station/aggregation code 2010-06-14 15:38:16 -04:00
Kconfig mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
key.c mac80211: simplify key locking 2010-06-03 14:10:46 -04:00
key.h mac80211: simplify key locking 2010-06-03 14:10:46 -04:00
led.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
led.h mac80211: rename files 2008-04-08 16:44:45 -04:00
main.c mac80211: Add netif state checking to ieee80211_ifa_changed 2010-06-08 09:31:21 -04:00
Makefile mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
mesh.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
mesh.h mac80211: Moved mesh action codes to a more visible location 2010-04-08 15:24:07 -04:00
mesh_hwmp.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
mesh_pathtbl.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
mesh_plink.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2010-04-15 16:21:34 -04:00
michael.c mac80211: remove ieee80211_get_hdr_info 2008-07-08 14:16:01 -04:00
michael.h mac80211: remove ieee80211_get_hdr_info 2008-07-08 14:16:01 -04:00
mlme.c mac80211: simplify station/aggregation code 2010-06-14 15:38:16 -04:00
offchannel.c mac80211: Fixed netif_tx_wake_all_queues in IBSS mode 2010-01-15 16:58:28 -05:00
pm.c mac80211: simplify station/aggregation code 2010-06-14 15:38:16 -04:00
rate.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
rate.h mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
rc80211_minstrel.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
rc80211_minstrel.h minstrel: make the rate control ops reusable from another rc implementation 2010-03-10 17:44:23 -05:00
rc80211_minstrel_debugfs.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
rc80211_minstrel_ht.c mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
rc80211_minstrel_ht.h mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
rc80211_minstrel_ht_debugfs.c mac80211: add the minstrel_ht rate control algorithm 2010-06-02 16:12:59 -04:00
rc80211_pid.h mac80211/drivers: rewrite the rate control API 2008-10-31 19:00:23 -04:00
rc80211_pid_algo.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
rc80211_pid_debugfs.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
rx.c cfg80211/mac80211: allow action frame TX/RX in IBSS 2010-06-14 15:38:16 -04:00
scan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2010-05-20 21:04:44 -07:00
spectmgmt.c mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
sta_info.c mac80211: simplify key locking 2010-06-03 14:10:46 -04:00
sta_info.h mac80211: simplify station/aggregation code 2010-06-14 15:38:16 -04:00
status.c wireless: fix several minor description typos 2010-06-02 16:13:18 -04:00
tkip.c mac80211: pass vif and station to update_tkip_key 2010-01-22 16:08:55 -05:00
tkip.h mac80211: tkip.c consolidate tkip IV writing in helper 2008-06-14 12:18:13 -04:00
tx.c mac80211: set IEEE80211_TX_CTL_FIRST_FRAGMENT for beacons 2010-05-07 14:55:55 -04:00
util.c mac80211: simplify station/aggregation code 2010-06-14 15:38:16 -04:00
wep.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
wep.h cfg80211: rework key operation 2009-07-24 15:05:09 -04:00
wme.c mac80211: fix-up build breakage in 2.6.33 2010-01-06 15:35:49 -05:00
wme.h mac80211: fix skb buffering issue 2010-01-05 16:21:40 -05:00
work.c wireless: fix several minor description typos 2010-06-02 16:13:18 -04:00
wpa.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
wpa.h mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00