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Johannes Berg deeaee197b mac80211: reply only once to each PS-poll 
If a PS-poll frame is retried (but was received)
there is no way to detect that since it has no
sequence number. As a consequence, the standard
asks us to not react to PS-poll frames until the
response to one made it out (was ACKed or lost).

Implement this by using the WLAN_STA_SP flags to
also indicate a PS-Poll "service period" and the
IEEE80211_TX_STATUS_EOSP flag for the response
packet to indicate the end of the "SP" as usual.

We could use separate flags, but that will most
likely completely confuse drivers, and while the
standard doesn't exclude simultaneously polling
using uAPSD and PS-Poll, doing that seems quite
problematic.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 		2011-09-30 15:57:18 -04:00
..
9p fs/9p: add 9P2000.L unlinkat operation 2011-07-23 09:32:52 -05:00
bluetooth Bluetooth: Add mgmt events for blacklisting 2011-09-21 12:59:15 -03:00
caif caif: Add CAIF HSI Link layer driver 2011-06-01 21:15:38 -07:00
irda Fix common misspellings 2011-03-31 11:26:23 -03:00
iucv Fix common misspellings 2011-03-31 11:26:23 -03:00
netfilter atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
netns atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
nfc NFC: protect nci_data_exchange transactions 2011-09-27 14:34:05 -04:00
phonet net: dont hold rtnl mutex during netlink dump callbacks 2011-05-02 15:26:28 -07:00
sctp atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
tc_act net/sched: add ACT_CSUM action to update packets checksums 2010-08-20 01:42:59 -07:00
act_api.h net: sched: constify tcf_proto and tc_action 2011-07-06 02:52:16 -07:00
addrconf.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
af_ieee802154.h
…
af_rxrpc.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
af_unix.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
ah.h ipsec: update MAX_AH_AUTH_LEN to support sha512 2011-01-13 21:48:25 -08:00
arp.h net: Add ->neigh_lookup() operation to dst_ops 2011-07-18 00:40:17 -07:00
atmclip.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
ax25.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
ax88796.h
…
cfg80211-wext.h cfg80211: remove unused wext handler exports 2011-08-08 14:26:29 -04:00
cfg80211.h nl80211: support sending TDLS commands/frames 2011-09-30 15:57:05 -04:00
checksum.h
…
cipso_ipv4.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
cls_cgroup.h Merge commit 'v2.6.36-rc7' into core/rcu 2010-10-07 09:43:45 +02:00
compat.h net: Add sendmmsg socket system call 2011-05-05 11:10:14 -07:00
datalink.h
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dcbevent.h net_dcb: add application notifiers 2010-12-31 10:47:46 -08:00
dcbnl.h dcbnl: Add CEE notification 2011-07-05 23:42:17 -07:00
dn.h decnet: Convert to use flowidn where applicable. 2011-03-12 15:08:55 -08:00
dn_dev.h decnet: RCU conversion and get rid of dev_base_lock 2010-11-08 13:50:08 -08:00
dn_fib.h decnet: Convert to use flowidn where applicable. 2011-03-12 15:08:55 -08:00
dn_neigh.h
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dn_nsp.h net: use __packed annotation 2010-06-03 03:21:52 -07:00
dn_route.h decnet: Convert to use flowidn where applicable. 2011-03-12 15:08:55 -08:00
dsa.h
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dsfield.h
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dst.h net: Add ->neigh_lookup() operation to dst_ops 2011-07-18 00:40:17 -07:00
dst_ops.h net: Add ->neigh_lookup() operation to dst_ops 2011-07-18 00:40:17 -07:00
esp.h
…
ethoc.h
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fib_rules.h fib_rules: __rcu annotates ctarget 2010-10-27 11:37:32 -07:00
flow.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
garp.h garp: remove last synchronize_rcu() call 2011-05-12 17:46:56 -04:00
gen_stats.h Fix common misspellings 2011-03-31 11:26:23 -03:00
genetlink.h netlink: advertise incomplete dumps 2011-06-22 16:09:45 -04:00
gre.h PPTP: PPP over IPv4 (Point-to-Point Tunneling Protocol) 2010-08-21 23:05:39 -07:00
icmp.h inetpeer: Move ICMP rate limiting state into inet_peer entries. 2011-02-04 15:59:53 -08:00
ieee80211_radiotap.h mac80211: add MCS information to radiotap 2011-01-28 15:44:29 -05:00
ieee802154.h
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ieee802154_netdev.h ieee802154: add an mlme_ops call to retrieve PHY object 2009-11-06 14:32:18 +03:00
if_inet6.h ipv6: reduce per device ICMP mib sizes 2011-05-19 16:21:22 -04:00
inet6_connection_sock.h inet: Pass flowi to ->queue_xmit(). 2011-05-08 15:28:28 -07:00
inet6_hashtables.h tcp: Fix a connect() race with timewait sockets 2009-12-08 20:17:51 -08:00
inet_common.h inet, inet6: make tcp_sendmsg() and tcp_sendpage() through inet_sendmsg() and inet_sendpage() 2010-07-12 20:21:46 -07:00
inet_connection_sock.h ipv4: Make caller provide flowi4 key to inet_csk_route_req(). 2011-05-18 18:32:03 -04:00
inet_ecn.h ipv6: restore correct ECN handling on TCP xmit 2011-05-12 18:52:14 -04:00
inet_frag.h fragment: add fast path for in-order fragments 2010-06-30 13:44:29 -07:00
inet_hashtables.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
inet_sock.h inet: Decrease overhead of on-stack inet_cork. 2011-05-06 15:37:57 -07:00
inet_timewait_sock.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
inetpeer.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
ip.h ipv4: Add ip_defrag() agent IP_DEFRAG_AF_PACKET. 2011-07-05 22:34:52 -07:00
ip6_checksum.h
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ip6_fib.h ipv6: Get rid of rt6i_nexthop macro. 2011-07-17 23:11:35 -07:00
ip6_route.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
ip6_tunnel.h tunnels: add _rcu annotations 2010-10-25 13:09:45 -07:00
ip_fib.h ipv4: Call fib_select_default() only when actually necessary. 2011-04-14 15:05:22 -07:00
ip_vs.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
ipcomp.h percpu: add __percpu sparse annotations to net 2010-02-16 23:05:38 -08:00
ipconfig.h
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ipip.h tunnels: add __rcu annotations 2010-10-27 11:37:32 -07:00
ipv6.h ipv6: make fragment identifications less predictable 2011-07-21 21:25:58 -07:00
ipx.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
iw_handler.h Fix common misspellings 2011-03-31 11:26:23 -03:00
lapb.h
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lib80211.h lib80211: remove exports for functions not called by other modules 2011-08-09 15:42:36 -04:00
llc.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
llc_c_ac.h
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llc_c_ev.h
…
llc_c_st.h
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llc_conn.h llc: use a device based hash table to speed up multicast delivery 2009-12-26 20:43:57 -08:00
llc_if.h
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llc_pdu.h bonding,llc: Fix structure sizeof incompatibility for some PDUs 2011-05-13 15:13:24 -04:00
llc_s_ac.h
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llc_s_ev.h
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llc_s_st.h
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llc_sap.h
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mac80211.h mac80211: reply only once to each PS-poll 2011-09-30 15:57:18 -04:00
mip6.h net: use __packed annotation 2010-06-03 03:21:52 -07:00
mld.h ipv6 mcast: Introduce include/net/mld.h for MLD definitions. 2010-04-23 13:35:55 +09:00
ndisc.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
neighbour.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
net_namespace.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
net_ratelimit.h net: Kill ratelimit.h dependency in linux/net.h 2011-05-27 13:41:33 -04:00
netdma.h
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netevent.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
netlabel.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
netlink.h netlink: advertise incomplete dumps 2011-06-22 16:09:45 -04:00
netrom.h 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
nexthop.h
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nl802154.h
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p8022.h
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ping.h net: ping: fix build failure 2011-05-17 14:16:58 -04:00
pkt_cls.h net: Fix range checks in tcf_valid_offset(). 2010-12-21 12:43:16 -08:00
pkt_sched.h net: sched: constify tcf_proto and tc_action 2011-07-06 02:52:16 -07:00
protocol.h net: change netdev->features to u32 2011-01-24 15:32:47 -08:00
psnap.h
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raw.h include/net/raw.h: Convert raw_seq_private macro to inline 2010-09-08 13:42:22 -07:00
rawv6.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
red.h sched: remove unused backlog in RED stats 2011-01-12 19:00:39 -08:00
regulatory.h wireless: relicense regulatory header to ISC 2011-08-26 10:47:56 -04:00
request_sock.h tcp: account SYN-ACK timeouts & retransmissions 2010-01-17 19:09:39 -08:00
rose.h rose: Add length checks to CALL_REQUEST parsing 2011-03-27 17:59:04 -07:00
route.h ipv4: Pass explicit destination address to rt_bind_peer(). 2011-05-18 18:42:43 -04:00
rtnetlink.h rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
sch_generic.h net: sched: constify tcf_proto and tc_action 2011-07-06 02:52:16 -07:00
scm.h scm: lower SCM_MAX_FD 2010-11-24 11:16:43 -08:00
slhc_vj.h
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snmp.h snmp: reduce percpu needs by 50% 2011-06-11 16:23:59 -07:00
sock.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-07-25 13:56:39 -07:00
stp.h
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tcp.h tcp: RFC2988bis + taking RTT sample from 3WHS for the passive open side 2011-06-08 17:05:30 -07:00
tcp_states.h
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timewait_sock.h timewait_sock: Create and use getpeer op. 2010-12-01 18:09:13 -08:00
transp_v6.h net: Remove __KERNEL__ cpp checks from include/net 2011-04-24 10:54:56 -07:00
udp.h udp: Switch to ip_finish_skb 2011-03-01 12:35:03 -08:00
udplite.h udp: Switch to ip_finish_skb 2011-03-01 12:35:03 -08:00
wext.h wext: refactor 2009-10-07 16:39:43 -04:00
wimax.h net: wimax: Remove of unused 'rfkill_input' pointer 2011-06-24 17:50:44 -07:00
wpan-phy.h Fix common misspellings 2011-03-31 11:26:23 -03:00
x25.h X25 remove bkl in subscription ioctls 2010-11-28 11:12:20 -08:00
x25device.h X25: Add if_x25.h and x25 to device identifiers 2010-04-22 16:12:36 -07:00
xfrm.h Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-3.6 2011-05-11 14:26:58 -04:00