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34e895075e
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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
..
9p 9p: fix readdir corner cases 2009-11-02 08:43:45 -06:00
bluetooth Bluetooth: Implement RejActioned flag 2009-12-03 19:34:24 +01:00
irda net: mark read-only arrays as const 2009-08-05 10:42:58 -07:00
iucv af_iucv: Return -EAGAIN if iucv msg limit is exceeded 2009-06-19 00:10:40 -07:00
netfilter Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-06 00:55:55 -08:00
netns net: Allow xfrm_user_net_exit to batch efficiently. 2009-12-03 12:22:03 -08:00
phonet Phonet: convert devices list to RCU 2009-11-18 10:08:26 -08:00
sctp Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-29 00:57:15 -08:00
tc_act pkt_sched: skbedit add support for setting mark 2009-10-22 21:56:42 -07:00
tipc
act_api.h net: restore gnet_stats_basic to previous definition 2009-08-17 21:33:49 -07:00
addrconf.h bonding: remap muticast addresses without using dev_close() and dev_open() 2009-09-15 02:37:40 -07:00
af_ieee802154.h af_ieee802154: add support for WANT_ACK socket option 2009-08-12 21:54:50 -07:00
af_rxrpc.h
af_unix.h net: Fix soft lockups/OOM issues w/ unix garbage collector 2008-11-26 15:32:27 -08:00
ah.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
arp.h net: make neigh_ops constant 2009-09-01 17:40:57 -07:00
atmclip.h clip: convert to internal network_device_stats 2009-01-21 14:01:59 -08:00
ax25.h
ax88796.h ax88796: Add method to take MAC from platform data 2009-03-24 23:32:03 -07:00
cfg80211.h wireless: update radiotap parser 2010-02-08 16:50:53 -05:00
checksum.h include/net net/ - csum_partial - remove unnecessary casts 2008-11-19 15:44:53 -08:00
cipso_ipv4.h netlabel: Label incoming TCP connections correctly in SELinux 2009-03-28 15:01:36 +11:00
compat.h net: Avoid compiler warning for mmsghdr when CONFIG_COMPAT is not selected 2009-10-20 01:09:17 -07:00
datalink.h
dcbnl.h dcbnl: Add support for setapp/getapp to netdev dcbnl_rtnl_ops 2009-09-01 01:24:30 -07:00
dn_dev.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
dn_fib.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
dn_neigh.h
dn_nsp.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
dn_route.h
dn.h decnet: compile fix for removal of byteorder wrapper 2008-11-27 23:04:13 -08:00
dsa.h dsa: add switch chip cascading support 2009-03-21 19:06:54 -07:00
dsfield.h
dst_ops.h netns: embed ip6_dst_ops directly 2009-09-01 17:40:31 -07:00
dst.h tcp: Use defaults when no route options are available 2009-11-04 23:24:15 -08:00
esp.h
ethoc.h net: Add support for the OpenCores 10/100 Mbps Ethernet MAC. 2009-03-27 00:16:21 -07:00
fib_rules.h net: Allow fib_rule_unregister to batch 2009-12-03 12:22:55 -08:00
flow.h netns xfrm: lookup in netns 2008-11-25 17:35:18 -08:00
garp.h
gen_stats.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
genetlink.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
icmp.h
ieee80211_radiotap.h wireless: update radiotap parser 2010-02-08 16:50:53 -05:00
ieee802154_netdev.h ieee802154: add an mlme_ops call to retrieve PHY object 2009-11-06 14:32:18 +03:00
ieee802154.h ieee802154: move headers out of extra directory 2009-07-23 17:08:51 +04:00
if_inet6.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
inet6_connection_sock.h
inet6_hashtables.h tcp: Fix a connect() race with timewait sockets 2009-12-08 20:17:51 -08:00
inet_common.h
inet_connection_sock.h net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
inet_ecn.h net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
inet_frag.h inet fragments: fix sparse warning: context imbalance 2009-02-26 23:13:35 -08:00
inet_hashtables.h tcp: Fix a connect() race with timewait sockets 2009-12-08 20:17:51 -08:00
inet_sock.h inet: rename some inet_sock fields 2009-10-18 18:52:53 -07:00
inet_timewait_sock.h tcp: Fix a connect() race with timewait sockets 2009-12-08 20:17:51 -08:00
inetpeer.h inetpeer: Optimize inet_getid() 2009-11-13 20:46:58 -08:00
ip6_checksum.h
ip6_fib.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ip6_route.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ip6_tunnel.h
ip_fib.h Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-06 00:55:55 -08:00
ip_vs.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ip.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ipcomp.h
ipconfig.h
ipip.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ipv6.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ipx.h net: replace __constant_{endian} uses in net headers 2009-02-14 22:58:35 -08:00
iw_handler.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
lapb.h
lib80211.h wireless: missing include in lib80211.h 2008-11-21 11:42:55 -05:00
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h
llc_if.h
llc_pdu.h
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h
llc.h
mac80211.h mac80211: allow station add/remove to sleep 2010-02-08 16:50:53 -05:00
mip6.h
ndisc.h sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
neighbour.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
net_namespace.h net: Add support for batching network namespace cleanups 2009-12-03 12:22:01 -08:00
netdma.h net_dma: convert to dma_find_channel 2009-01-06 11:38:15 -07:00
netevent.h
netlabel.h netlabel: Cleanup the Smack/NetLabel code to fix incoming TCP connections 2009-03-28 15:01:37 +11:00
netlink.h netlink: constify nlmsghdr arguments 2009-08-25 16:07:40 +02:00
netrom.h netrom: convert to internal net_device_stats 2009-01-21 14:02:01 -08:00
nexthop.h
nl802154.h ieee802154: add support for channel pages from IEEE 802.15.4-2006 2009-08-19 23:08:22 +04:00
p8022.h
pkt_cls.h net: rename skb->iif to skb->skb_iif 2009-11-20 15:35:04 -08:00
pkt_sched.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
protocol.h net: drop capability from protocol definitions 2009-11-05 21:40:17 -08:00
psnap.h snap: use const for descriptor 2009-03-21 19:06:50 -07:00
raw.h
rawv6.h ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
red.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
regulatory.h cfg80211: add regulatory hint disconnect support 2010-02-01 15:40:06 -05:00
request_sock.h TCPCT part 1a: add request_values parameter for sending SYNACK 2009-12-02 22:07:23 -08:00
rose.h NET: ROSE: Don't use static buffer. 2009-07-26 19:11:14 -07:00
route.h net: NETDEV_UNREGISTER_PERNET -> NETDEV_UNREGISTER_BATCH 2009-12-01 16:15:50 -08:00
rtnetlink.h net: Support specifying the network namespace upon device creation. 2009-11-08 00:53:51 -08:00
sch_generic.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
scm.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
slhc_vj.h
snmp.h snmp: add missing counters for RFC 4293 2009-04-27 02:45:02 -07:00
sock.h udp: secondary hash on (local port, local address) 2009-11-08 20:53:06 -08:00
stp.h
tcp_states.h
tcp.h tcp: Stalling connections: Move timeout calculation routine 2009-12-08 20:56:11 -08:00
timewait_sock.h net: Fix memory leak in the proto_register function 2008-11-21 16:45:22 -08:00
transp_v6.h inet: inet_connection_sock_af_ops const 2009-09-02 01:03:49 -07:00
udp.h udp: bind() optimisation 2009-11-10 20:54:38 -08:00
udplite.h udp: introduce struct udp_table and multiple spinlocks 2008-10-29 01:41:45 -07:00
wext.h wext: refactor 2009-10-07 16:39:43 -04:00
wimax.h wimax/i2400m: clarify and fix i2400m->{ready,updown} 2009-10-19 15:56:07 +09:00
wpan-phy.h ieee802154: add support for creation/removal of logic interfaces 2009-11-06 14:32:24 +03:00
x25.h X25: Move SYSCTL ifdefs into header 2009-11-29 00:24:59 -08:00
x25device.h
xfrm.h xfrm: Store aalg in xfrm_state with a user specified truncation length 2009-11-25 15:48:38 -08:00