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Johannes Berg 8e3bad65a5 mac80211: remove ieee80211_notify_mac ... Before ieee80211_notify_mac() was added, it was presented with the use case of using it to tell mac80211 that the association may have been lost because the firmware crashed/reset. Since then, it has also been used by iwlwifi to (slightly) speed up re-association after resume, a workaround around the fact that mac80211 has no suspend/resume handling yet. It is also not used by any other drivers, so clearly it cannot be necessary for "good enough" suspend/resume. Unfortunately, the callback suffers from a severe problem: It only works for station mode. If suspend/resume happens while in IBSS or any other mode (but station), then the callback is pointless. Recently, it has created a number of locking issues, first because it required rtnl locking rather than RCU due to calling sleeping functions within the critical section, and now because it's called by iwlwifi from the mac80211 workqueue that may not use the rtnl because it is flushed under rtnl. (cf. http://bugzilla.kernel.org/show_bug.cgi?id=12046) I think, therefore, that we should take a step back, remove it entirely for now and add the small feature it provided properly. For suspend and resume we will need to introduce new hooks, and for the case where the firmware was reset the driver will probably simply just pretend it has done a suspend/resume cycle to get mac80211 to reprogram the hardware completely, not just try to connect to the current AP again in station mode. When doing so, we will need to take into account locking issues and possibly defer to schedule_work from within mac80211 for the resume operation, while the suspend operation must be done directly. Proper suspend/resume should also not necessarily try to reconnect to the current AP, the time spent in suspend may have been short enough to not be disconnected from the AP, mac80211 will detect that the AP went out of range quickly if it did, and if the association is lost then the AP will disassoc as soon as a data frame is sent. We might also take into account WWOL then, and have mac80211 program the hardware into such a mode where it is available and requested. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>		16 years ago
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9p	9p: fix sparse warnings	17 years ago
bluetooth	include: replace __FUNCTION__ with __func__	17 years ago
irda	include: replace __FUNCTION__ with __func__	17 years ago
iucv	[AF_IUCV]: postpone receival of iucv-packets	18 years ago
netfilter	netfilter: ctnetlink: remove bogus module dependency between ctnetlink and nf_nat	17 years ago
netns	netfilter: netns: use NFPROTO_NUMPROTO instead of NUMPROTO for tables array	17 years ago
phonet	Phonet: include generic link-layer header size in MAX_PHONET_HEADER	16 years ago
sctp	sctp: Fix to handle SHUTDOWN in SHUTDOWN_RECEIVED state	17 years ago
tc_act	pkt_action: add new action skbedit	17 years ago
tipc	tipc: Remove unneeded parameter to tipc_createport_raw()	17 years ago
act_api.h	[NET_SCHED]: act_api: use PTR_ERR in tcf_action_init/tcf_action_get	17 years ago
addrconf.h	netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr()	17 years ago
af_rxrpc.h	…
af_unix.h	net: unix: fix inflight counting bug in garbage collector	16 years ago
ah.h	[IPSEC]: Get rid of ipv6_{auth,esp,comp}_hdr	18 years ago
arp.h	[NETFILTER]: ebtables: remove casts, use consts	17 years ago
atmclip.h	…
ax25.h	[AX25] ax25_ds_timer: use mod_timer instead of add_timer	17 years ago
ax88796.h	ax88796: add 93cx6 eeprom support	18 years ago
cfg80211.h	cfg80211: show interface type	17 years ago
checksum.h	[NET]: Move netfilter checksum helpers to net/core/utils.c	17 years ago
cipso_ipv4.h	cipso: Add support for native local labeling and fixup mapping names	17 years ago
compat.h	net: Use standard structures for generic socket address structures.	17 years ago
datalink.h	…
dn.h	[DECNET]: Another unnecessary net/tcp.h inclusion in net/dn.h	18 years ago
dn_dev.h	…
dn_fib.h	…
dn_neigh.h	…
dn_nsp.h	…
dn_route.h	[NET]: Wrap netdevice hardware header creation.	18 years ago
dsa.h	dsa: add support for Trailer tagging format	17 years ago
dsfield.h	[NET]: Constify include/net/dsfield.h	17 years ago
dst.h	net: Kill plain NET_XMIT_BYPASS.	17 years ago
esp.h	[IPSEC]: Use crypto_aead and authenc in ESP	17 years ago
fib_rules.h	net: add fib_rules_ops to flush_cache method	17 years ago
flow.h	ipv4: Loosen source address check on IPv4 output	17 years ago
garp.h	vlan: Add GVRP support	17 years ago
gen_stats.h	[NET_SCHED]: Convert packet schedulers from rtnetlink to new netlink API	17 years ago
genetlink.h	netlink: Improve returned error codes	17 years ago
icmp.h	mib: put icmpmsg statistics on struct net	17 years ago
ieee80211.h	include: replace __FUNCTION__ with __func__	17 years ago
ieee80211_crypt.h	…
ieee80211_radiotap.h	include: use get/put_unaligned_* helpers	17 years ago
if_inet6.h	ipv6: make struct ipv6_devconf static	17 years ago
inet6_connection_sock.h	…
inet6_hashtables.h	inet: Don't lookup the socket if there's a socket attached to the skb	17 years ago
inet_common.h	[NETNS]: Inet control socket should not hold a namespace.	17 years ago
inet_connection_sock.h	net: more #ifdef CONFIG_COMPAT	17 years ago
inet_ecn.h	[IPV6]: Use appropriate sock tclass setting for routing lookup.	17 years ago
inet_frag.h	[NET]: Rename inet_frag.h identifiers COMPLETE, FIRST_IN, LAST_IN to INET_FRAG_*	17 years ago
inet_hashtables.h	inet: Don't lookup the socket if there's a socket attached to the skb	17 years ago
inet_sock.h	tcp: Port redirection support for TCP	17 years ago
inet_timewait_sock.h	ipv4: Implement IP_TRANSPARENT socket option	17 years ago
inetpeer.h	net: remove CVS keywords	17 years ago
ip.h	sysctl: simplify ->strategy	17 years ago
ip6_checksum.h	…
ip6_fib.h	[NETNS][IPV6] rt6_info - move rt6_info structure inside the namespace	17 years ago
ip6_route.h	netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr()	17 years ago
ip6_tunnel.h	net: remove CVS keywords	17 years ago
ip_fib.h	[IPV4]: Fix compile error building without CONFIG_FS_PROC	17 years ago
ip_vs.h	include: replace __FUNCTION__ with __func__	17 years ago
ipcomp.h	ipsec: ipcomp - Merge IPComp implementations	17 years ago
ipconfig.h	net: remove CVS keywords	17 years ago
ipip.h	inet: Make tunnel RX/TX byte counters more consistent	17 years ago
ipv6.h	ipv6: making ip and icmp statistics per/namespace	17 years ago
ipx.h	…
iw_handler.h	wext: Emit event stream entries correctly when compat.	17 years ago
lapb.h	…
llc.h	[LLC]: station source mac address	17 years ago
llc_c_ac.h	…
llc_c_ev.h	…
llc_c_st.h	…
llc_conn.h	[NET]: Make socket creation namespace safe.	18 years ago
llc_if.h	[LLC]: Kill static inline llc_addrany	17 years ago
llc_pdu.h	[LLC]: skb allocation size for responses	17 years ago
llc_s_ac.h	…
llc_s_ev.h	…
llc_s_st.h	…
llc_sap.h	[LLC]: skb allocation size for responses	17 years ago
mac80211.h	mac80211: remove ieee80211_notify_mac	16 years ago
mip6.h	[IPV6] MIP6: Use our standard definitions for paddings.	17 years ago
ndisc.h	sysctl: simplify ->strategy	17 years ago
neighbour.h	core: add stat to track unresolved discards in neighbor cache	17 years ago
net_namespace.h	netns: add register_pernet_gen_subsys/unregister_pernet_gen_subsys	16 years ago
netdma.h	…
netevent.h	[NET]: Remove unnecessary inclusion of dst.h	17 years ago
netlabel.h	netlabel: Add configuration support for local labeling	17 years ago
netlink.h	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	17 years ago
netrom.h	…
nexthop.h	…
p8022.h	…
pkt_cls.h	[PKT_SCHED]: Pass real namespace in net scheduler classifiers.	17 years ago
pkt_sched.h	pkt_sched: Remove the tx queue state check in qdisc_run()	17 years ago
protocol.h	[NETNS]: Drop packets in the non-initial namespace on the per/protocol basis.	17 years ago
psnap.h	…
raw.h	[RAW]: Add raw_hashinfo member on struct proto.	17 years ago
rawv6.h	[IPv6] RAW: Compact the API for the kernel	17 years ago
red.h	…
request_sock.h	tcp: Fix kernel panic when calling tcp_v(4/6)_md5_do_lookup	17 years ago
rose.h	rose: improving AX25 routing frames via ROSE network	17 years ago
route.h	ipv4: Conditionally enable transparent flow flag when connecting	17 years ago
rtnetlink.h	[RTNL]: Introduce the rtnl_kill_links helper.	17 years ago
sch_generic.h	pkt_sched: Fix handling of gso skbs on requeuing	17 years ago
scm.h	net: Fix recursive descent in __scm_destroy().	16 years ago
slhc_vj.h	…
snmp.h	net: remove CVS keywords	17 years ago
sock.h	lockdep: include/linux/lockdep.h - fix warning in net/bluetooth/af_bluetooth.c	16 years ago
stp.h	net: Add STP demux layer	17 years ago
syncppp.h	Remove bogus variables from syncppp.[ch]	17 years ago
tcp.h	net: wrap sk->sk_backlog_rcv()	17 years ago
tcp_states.h	…
timewait_sock.h	…
transp_v6.h	net: change proto destroy method to return void	17 years ago
udp.h	netns: make uplitev6 mib per/namespace	17 years ago
udplite.h	[UDP]: Revert udplite and code split.	17 years ago
wext.h	wext: Dispatch and handle compat ioctls entirely in net/wireless/wext.c	17 years ago
wireless.h	cfg80211: show interface type	17 years ago
x25.h	…
x25device.h	…
xfrm.h	xfrm: MIGRATE enhancements (draft-ebalard-mext-pfkey-enhanced-migrate)	17 years ago