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34e895075e
linux/net/mac80211
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Johannes Berg 34e895075e mac80211: allow station add/remove to sleep 
Many drivers would like to sleep during station
addition and removal, and currently have a high
complexity there from not being able to.

This introduces two new callbacks sta_add() and
sta_remove() that drivers can implement instead
of using sta_notify() and that can sleep, and
the new sta_add() callback is also allowed to
fail.

The reason we didn't do this previously is that
the IBSS code wants to insert stations from the
RX path, which is a tasklet, so cannot sleep.
This patch will keep the station allocation in
that path, but moves adding the station to the
driver out of line. Since the addition can now
fail, we can have IBSS peer structs the driver
rejected -- in that case we still talk to the
station but never tell the driver about it in
the control.sta pointer. If there will ever be
a driver that has a low limit on the number of
stations and that cannot talk to any stations
that are not known to it, we need to do come up
with a new strategy of handling larger IBSSs,
maybe quicker expiry or rejecting peers.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-02-08 16:50:53 -05:00
..
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 mac80211: trace interface name 2009-12-21 18:38:54 -05:00
agg-tx.c mac80211: quit addba_resp_timer if Tx BA session is torn down 2010-01-12 13:50:08 -05:00
cfg.c mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
cfg.h
debugfs_key.c mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
debugfs_key.h mac80211: 802.11w - Use BIP (AES-128-CMAC) 2009-01-29 16:00:03 -05:00
debugfs_netdev.c mac80211: remove unused type argument 2010-01-12 14:20:57 -05:00
debugfs_netdev.h mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
debugfs_sta.c mac80211: reduce stack usage in sta_agg_status_read() 2010-02-01 15:40:07 -05:00
debugfs_sta.h mac80211: RCU-ify STA info structure access 2008-03-06 15:30:46 -05:00
debugfs.c mac80211: add debugfs interface for U-APSD queue configuration 2010-01-12 14:21:00 -05:00
debugfs.h cfg80211/mac80211: use debugfs_remove_recursive 2009-10-30 16:49:18 -04:00
driver-ops.h mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
driver-trace.c mac80211: fix sparse warnings/errors 2009-08-04 16:43:25 -04:00
driver-trace.h mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
event.c cfg80211: use proper allocation flags 2009-07-10 15:01:49 -04:00
ht.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2009-12-28 15:09:11 -05:00
ibss.c mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
ieee80211_i.h mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
iface.c mac80211: fix WMM AC default for non-QoS data frames 2010-01-19 16:25:07 -05:00
Kconfig mac80211: remove payload alignment warning 2009-12-21 18:56:09 -05:00
key.c mac80211: add ieee80211_sdata_running 2009-12-28 16:54:49 -05:00
key.h mac80211 : fix a race with update_tkip_key 2009-12-22 13:31:14 -05:00
led.c mac80211: rename files 2008-04-08 16:44:45 -04:00
led.h mac80211: rename files 2008-04-08 16:44:45 -04:00
main.c mac80211: add debugfs interface for U-APSD queue configuration 2010-01-12 14:21:00 -05:00
Makefile mac80211: Generalize off-channel operation helpers from scan code 2009-12-28 16:55:01 -05:00
mesh_hwmp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2009-12-28 15:09:11 -05:00
mesh_pathtbl.c mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
mesh_plink.c mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
mesh.c mac80211: add ieee80211_sdata_running 2009-12-28 16:54:49 -05:00
mesh.h mac80211: Revert 'Use correct sign for mesh active path refresh' 2009-12-10 16:12:52 -05:00
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: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
offchannel.c mac80211: Fixed netif_tx_wake_all_queues in IBSS mode 2010-01-15 16:58:28 -05:00
pm.c mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
rate.c cfg80211/mac80211: Use more generic bitrate mask for rate control 2010-01-12 13:50:11 -05:00
rate.h mac80211: Don't call rate control when HW handles it 2010-02-01 15:40:09 -05:00
rc80211_minstrel_debugfs.c net: file_operations should be const 2009-09-02 01:03:53 -07:00
rc80211_minstrel.c rc80211_minstrel: fix contention window calculation 2009-09-23 11:35:42 -04:00
rc80211_minstrel.h mac80211: Remove unnused throughput field from minstrel_rate. 2009-08-28 14:40:34 -04:00
rc80211_pid_algo.c mac80211: pid: replace open-coded msecs_to_jiffies 2010-01-19 16:25:15 -05:00
rc80211_pid_debugfs.c headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
rc80211_pid.h mac80211/drivers: rewrite the rate control API 2008-10-31 19:00:23 -04:00
rx.c mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
scan.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2010-02-08 16:38:38 -05:00
spectmgmt.c mac80211: reduce reliance on netdev 2009-12-21 18:38:52 -05:00
sta_info.c mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
sta_info.h mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
status.c mac80211: fill jiffies/vif on filtered frames 2010-01-25 16:40:49 -05:00
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: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
util.c mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
wep.c mac80211: avoid NULL ptr deref when using WEP 2010-01-22 12:39:14 -05:00
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 mac80211: track work started through callbacks 2010-01-25 16:36:29 -05:00
wpa.c mac80211: move control.hw_key assignment 2010-01-19 16:25:19 -05:00
wpa.h mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00