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2010-11-24b43: N-PHY: minor fixes to match specsRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-24b43: N-PHY: fix values for PHY regs in channel tables of 2055 radioRafał Miłecki
Additional comment by Larry Finger <Larry.Finger@lwfinger.net>: This change deserves a bit more explanation. You might include something like "These tables came from reverse engineering the 5.10.56.46 version of the Broadcom driver. Trace comparisons between b43 and the current Broadcom driver (5.10.120.0) show byte reversals for the PHY register writes." Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-24net/wireless: Use pr_<level> and netdev_<level>Joe Perches
No change in output for pr_<level> prefixes. netdev_<level> output is different, arguably improved. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-24Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-11-24Revert "nl80211/mac80211: Report signal average"John W. Linville
This reverts commit 86107fd170bc379869250eb7e1bd393a3a70e8ae. This patch inadvertantly changed the userland ABI. Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-23wireless: b43: fix error path in SDIOGuennadi Liakhovetski
Fix unbalanced call to sdio_release_host() on the error path. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22ath9k_htc: fix eeprom accessFelix Fietkau
wireless-testing commit a05b5d45049d60a06a1b12976150572304a51928 ath9k: add support for reading eeprom from platform data on PCI devices This change moved the initialization of the AH_USE_EEPROM flag from ath9k_hw to ath9k. This needs to be added to ath9k_htc as well Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22ath9k_hw: fix A-MPDU key search issues on AR9003Felix Fietkau
Under load, a large number of frames can produce decryption errors, even when no key cache update is being done. Performing a key search for every single frame in an A-MPDU improves reliability. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22zd1211rw: Use constJoe Perches
Mark arrays const that are unmodified after initializations. text data bss dec hex filename 19291 56 4136 23483 5bbb drivers/net/wireless/zd1211rw/zd_chip.o.old 19291 56 4136 23483 5bbb drivers/net/wireless/zd1211rw/zd_chip.o.new Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22rt2x00: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 40197 56 8336 48589 bdcd drivers/net/wireless/rt2x00/rt2800lib.o.new 40205 56 8336 48597 bdd5 drivers/net/wireless/rt2x00/rt2800lib.o.old Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22rndis_wlan: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 41757 2205 9896 53858 d262 drivers/net/wireless/rndis_wlan.o.old 41653 2205 9880 53738 d1ea drivers/net/wireless/rndis_wlan.o.new Changed functions rndis_set_oid and set_bssid to take const *'s. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22ray_cs: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 42607 3581 8536 54724 d5c4 drivers/net/wireless/ray_cs.o.new 42603 3585 8536 54724 d5c4 drivers/net/wireless/ray_cs.o.old Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22libertas: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 3650 56 704 4410 113a drivers/net/wireless/libertas/rx.o.new 3695 56 704 4455 1167 drivers/net/wireless/libertas/rx.o.old 27328 964 5240 33532 82fc drivers/net/wireless/libertas/cfg.o.new 27328 964 5240 33532 82fc drivers/net/wireless/libertas/cfg.o.old Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22iwlwifi: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 48644 57 12120 60821 ed95 drivers/net/wireless/b43/phy_n.o.new 48661 57 12120 60838 eda6 drivers/net/wireless/b43/phy_n.o.old 37906 86 7904 45896 b348 drivers/net/wireless/iwlwifi/iwl-agn-lib.o.new 37937 86 7904 45927 b367 drivers/net/wireless/iwlwifi/iwl-agn-lib.o.old 37781 523 6752 45056 b000 drivers/net/wireless/iwlwifi/iwl-3945.o.new 37781 523 6752 45056 b000 drivers/net/wireless/iwlwifi/iwl-3945.o.old Changed b43_nphy_write_clip_detection to take a const u16 * Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22b43: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 5502 56 1336 6894 1aee drivers/net/wireless/b43/phy_common.o.new 5511 56 1336 6903 1af7 drivers/net/wireless/b43/phy_common.o.old Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22atmel: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 42578 720 8528 51826 ca72 drivers/net/wireless/atmel.o.old 42578 720 8528 51826 ca72 drivers/net/wireless/atmel.o.new Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22carl9170: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 1897 56 672 2625 a41 drivers/net/wireless/ath/carl9170/cmd.o.new 1897 56 672 2625 a41 drivers/net/wireless/ath/carl9170/cmd.o.old Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22ath9k: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 11161 56 2136 13353 3429 drivers/net/wireless/ath/ath9k/ar9003_paprd.o.new 11167 56 2136 13359 342f drivers/net/wireless/ath/ath9k/ar9003_paprd.o.old 15428 56 3056 18540 486c drivers/net/wireless/ath/ath9k/eeprom_4k.o.old 15451 56 3056 18563 4883 drivers/net/wireless/ath/ath9k/eeprom_4k.o.new 14087 56 2560 16703 413f drivers/net/wireless/ath/ath9k/eeprom_9287.o.old 14036 56 2560 16652 410c drivers/net/wireless/ath/ath9k/eeprom_9287.o.new 10041 56 2384 12481 30c1 drivers/net/wireless/ath/ath9k/ani.o.new 10088 56 2384 12528 30f0 drivers/net/wireless/ath/ath9k/ani.o.old 9316 1580 2304 13200 3390 drivers/net/wireless/ath/ath9k/htc_drv_init.o.new 9316 1580 2304 13200 3390 drivers/net/wireless/ath/ath9k/htc_drv_init.o.old 16483 56 3432 19971 4e03 drivers/net/wireless/ath/ath9k/ar9003_phy.o.new 16517 56 3432 20005 4e25 drivers/net/wireless/ath/ath9k/ar9003_phy.o.old 18221 104 2960 21285 5325 drivers/net/wireless/ath/ath9k/rc.o.old 18203 104 2960 21267 5313 drivers/net/wireless/ath/ath9k/rc.o.new 19985 56 4288 24329 5f09 drivers/net/wireless/ath/ath9k/eeprom_def.o.new 20040 56 4288 24384 5f40 drivers/net/wireless/ath/ath9k/eeprom_def.o.old 23997 56 4984 29037 716d drivers/net/wireless/ath/ath9k/ar5008_phy.o.old 23846 56 4984 28886 70d6 drivers/net/wireless/ath/ath9k/ar5008_phy.o.new 24285 56 3184 27525 6b85 drivers/net/wireless/ath/ath9k/ar9003_eeprom.o.old 24101 56 3184 27341 6acd drivers/net/wireless/ath/ath9k/ar9003_eeprom.o.new 6834 56 1032 7922 1ef2 drivers/net/wireless/ath/ath9k/ar9002_phy.o.old 6780 56 1032 7868 1ebc drivers/net/wireless/ath/ath9k/ar9002_phy.o.new 36211 64 8624 44899 af63 drivers/net/wireless/ath/ath9k/hw.o.new 36401 64 8624 45089 b021 drivers/net/wireless/ath/ath9k/hw.o.old 9281 56 1496 10833 2a51 drivers/net/wireless/ath/ath9k/ar9003_calib.o.old 9150 56 1496 10702 29ce drivers/net/wireless/ath/ath9k/ar9003_calib.o.new Use ARRAY_SIZE instead of a magic number. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22ath5k: Use static constJoe Perches
Using static const generally increases object text and decreases data size. It also generally decreases overall object size. text data bss dec hex filename 11266 56 2464 13786 35da drivers/net/wireless/ath/ath5k/ani.o.old 11181 56 2464 13701 3585 drivers/net/wireless/ath/ath5k/ani.o.new Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22ar9170: Use constJoe Perches
Mark an array const. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22carl9170: fix init-self regressionChristian Lamparter
The commit: "carl9170: tx path review" introduced a regression. gcc (with -Winit-self): tx.c:1264: warning: ‘super’ is used uninitialized in this function Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22libertas: remove duplicated #includeHuang Weiyi
Remove duplicated #include('s) in drivers/net/wireless/libertas/cfg.c Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22ath9k: fix recursive locking in the tx flush pathFelix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Tested-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22iwlwifi: fix modular 3945 only buildJohannes Berg
If only 3945 is selected, and is a module, build fails because iwl-legacy.c won't be compiled. Fix this by adding it to the build correctly. This doesn't happen for 4965 because it is a bool option, not tristate, since it's built into the AGN module. Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Tested-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22mac80211: Disable hw crypto for GTKs on AP VLAN interfacesHelmut Schaa
When using AP VLAN interfaces, each VLAN interface should be in its own broadcast domain. Hostapd achieves this by assigning different GTKs to different AP VLAN interfaces. However, mac80211 drivers are not aware of AP VLAN interfaces and as such mac80211 sends the GTK to the driver in the context of the base AP mode interface. This causes problems when multiple AP VLAN interfaces are used since the driver will use the same key slot for the different GTKs (there's no way for the driver to distinguish the different GTKs from different AP VLAN interfaces). Thus, only the clients associated to one AP VLAN interface (the one that was created last) can actually use broadcast traffic. Fix this by not programming any GTKs for AP VLAN interfaces into the hw but fall back to using software crypto. The GTK for the underlying AP interface is still sent to the driver. That means, broadcast traffic to stations associated to an AP VLAN interface is encrypted in software whereas broadcast traffic to stations associated to the non-VLAN AP interface is encrypted in hardware. Cc: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22cfg80211: Fix regulatory bug with multiple cards and delaysLuis R. Rodriguez
When two cards are connected with the same regulatory domain if CRDA had a delayed response then cfg80211's own set regulatory domain would still be the world regulatory domain. There was a bug on cfg80211's logic such that it assumed that once you pegged a request as the last request it was already the currently set regulatory domain. This would mean we would race setting a stale regulatory domain to secondary cards which had the same regulatory domain since the alpha2 would match. We fix this by processing each regulatory request atomically, and only move on to the next one once we get it fully processed. In the case CRDA is not present we will simply world roam. This issue is only present when you have a slow system and the CRDA processing is delayed. Because of this it is not a known regression. Without this fix when a delay is present with CRDA the second card would end up with an intersected regulatory domain and not allow it to use the channels it really is designed for. When two cards with two different regulatory domains were inserted you'd end up rejecting the second card's regulatory domain request. This fails with mac80211_hswim's regtest=2 (two requests, same alpha2) and regtest=3 (two requests, different alpha2) module parameter options. This was reproduced and tested against mac80211_hwsim using this CRDA delayer: #!/bin/bash echo $COUNTRY >> /tmp/log sleep 2 /sbin/crda.orig And these regulatory tests: modprobe mac80211_hwsim regtest=2 modprobe mac80211_hwsim regtest=3 Reported-by: Mark Mentovai <mark@moxienet.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Tested-by: Mark Mentovai <mark@moxienet.com> Tested-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22cfg80211: move mutex locking to reg_process_pending_hints()Luis R. Rodriguez
This will be required in the next patch and it makes the next patch easier to review. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Tested-by: Mark Mentovai <mark@moxienet.com> Tested-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22cfg80211: move reg_work and reg_todo aboveLuis R. Rodriguez
These will be used earlier in the next few patches. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Tested-by: Mark Mentovai <mark@moxienet.com> Tested-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22cfg80211: put core regulatory request into queueLuis R. Rodriguez
This will simplify the synchronization for pending requests. Without this we have a race between the core and when we restore regulatory settings, although this is unlikely its best to just avoid that race altogether. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Tested-by: Mark Mentovai <mark@moxienet.com> Tested-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22b43: rfkill: use HI enabled bit for all devicesRafał Miłecki
Devices which use LO enabled bit are covered by b43legacy Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22b43: N-PHY: add 2056 radio channels tablesRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22Merge branch 'wireless-next-2.6' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6
2010-11-22carl9170: fix virtual interface setup crashChristian Lamparter
This patch fixes a faulty bound check which caused a crash when too many virtual interface were brought up. BUG: unable to handle kernel NULL pointer dereference at 00000004 IP: [<f8125f67>] carl9170_op_add_interface+0x1d7/0x2c0 [carl9170] *pde = 00000000 Oops: 0002 [#1] PREEMPT Modules linked in: carl9170 [...] Pid: 4720, comm: wpa_supplicant Not tainted 2.6.37-rc2-wl+ EIP: 0060:[<f8125f67>] EFLAGS: 00210206 CPU: 0 EIP is at carl9170_op_add_interface+0x1d7/0x2c0 [carl9170] EAX: 00000000 ... Process wpa_supplicant Stack: f4f88f34 fffffff4 .. Call Trace: [<f8f4e666>] ? ieee80211_do_open+0x406/0x5c0 [mac80211] [...] Code: <89> 42 04 ... EIP: [<f8125f67>] carl9170_op_add_interface+0x1d7/0x2c0 [carl9170] CR2: 0000000000000004 Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22ssb: b43-pci-bridge: Add new vendor for BCM4318Daniel Klaffenbach
Add new vendor for Broadcom 4318. Signed-off-by: Daniel Klaffenbach <danielklaffenbach@gmail.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22ath9k: fix timeout on stopping rx dmaFelix Fietkau
It seems that using ath9k_hw_stoppcurecv to stop rx dma is not enough. When it's time to stop DMA, the PCU is still busy, so the rx enable bit never clears. Using ath9k_hw_abortpcurecv helps with getting rx stopped much faster, with this change, I cannot reproduce the rx stop related WARN_ON anymore. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-22wl12xx: Unset bssid filter, ssid and bssid from firmware on disassocJuuso Oikarinen
On the disassociation event from the mac80211, the wl12xx driver does not clear the chipset configuration related to the AP - i.e. it does not perform a DISCONNECT and then a JOIN with zero SSID and dummy BSSID. Also, it does not unset the BSSID filter. Often this is not a problem, as the above is performed upon entering idle state. But if a scenario arises where a new association is attempted without cycling through idle state, the new association will fail. Fix this by resetting the firmware state on disassociation. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
2010-11-22wl1271: add support for HW TX fragmentationArik Nemtsov
Indicate to mac80211 we support HW fragmentation. Support updates of the fragmentation threshold via the set_frag_threshold callback. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
2010-11-22Revert "wl1271: Change supported channel order for a more optimal scan"Juuso Oikarinen
This reverts commit fa21c7a9e4be439e217fe72edbd39b643b643791. The reverted patch caused more harm than benefit. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Tested-by: Tuomas Katila <ext-tuomas.2.katila@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
2010-11-22wl1271: Prevent ad-hoc and active scanning on 11a DFS frequenciesJuuso Oikarinen
The wl1271 does not support radar detection. Hence, prevent ad-hoc and active scanning on frequencies requiring DFS. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Tested-by: Tuomas Katila <ext-tuomas.2.katila@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
2010-11-22wl1271: cleanup unused code of calibration structuresGery Kahn
The cleanup unused code for calibration procedures. Signed-off-by: Gery Kahn <geryk@ti.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
2010-11-22wl1271: Change wl12xx Files NamesShahar Levi
All files name prefix removed due to the fact that wl12xx driver supports wl1271 and wl1273. Also the definition in Kconfig and header files changed respectively. Signed-off-by: Shahar Levi <shahar_levi@ti.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
2010-11-18ssb: drop BCM4328 hack for SPROM revisionRafał Miłecki
This hacks leads to incorrect SPROM parsing for me and reading for example MAC as: 00:00:00:54:00:00. Michael G. who introduced this confirmed it is not needed anymore. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Tested-by: Michael Gerdau <mgd@qata.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-18ath9k_hw: support reading calibration data from flash on AR9003Felix Fietkau
Embedded boards do not have compressed EEPROM data, they use the struct ar9003_eeprom layout, with little endian fields, so copying the raw data to the eeprom buffer is enough. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-18ath9k: add support for reading eeprom from platform data on PCI devicesFelix Fietkau
Some embedded boards store platform data for connected PCIe AR92xx chips in the system flash instead of a separate EEPROM chip. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-18rndis_wlan: avoid uninitialized var warning in rndis_wlan_craft_connected_bssJohn W. Linville
CC [M] drivers/net/wireless/rndis_wlan.o drivers/net/wireless/rndis_wlan.c: In function ‘rndis_wlan_craft_connected_bss’: drivers/net/wireless/rndis_wlan.c:2542:2: warning: ‘ret’ may be used uninitialized in this function Signed-off-by: John W. Linville <linville@tuxdriver.com> Acked-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
2010-11-18iwmc3200wifi: clarify potentially undefined operation in iwm_scan_ssidsJohn W. Linville
CC [M] drivers/net/wireless/iwmc3200wifi/commands.o drivers/net/wireless/iwmc3200wifi/commands.c: In function ‘iwm_scan_ssids’: drivers/net/wireless/iwmc3200wifi/commands.c:911:15: warning: operation on ‘iwm->scan_id’ may be undefined Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-18nl80211/mac80211: Report signal averageBruno Randolf
Extend nl80211 to report an exponential weighted moving average (EWMA) of the signal value. Since the signal value usually fluctuates between different packets, an average can be more useful than the value of the last packet. This uses the recently added generic EWMA library function. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-18ath5k: Use generic EWMA libraryBruno Randolf
Remove ath5k's private moving average implementation in favour of the generic library version. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-18lib: Add generic exponentially weighted moving average (EWMA) functionBruno Randolf
This adds generic functions for calculating Exponentially Weighted Moving Averages (EWMA). This implementation makes use of a structure which keeps the EWMA parameters and a scaled up internal representation to reduce rounding errors. The original idea for this implementation came from the rt2x00 driver (rt2x00link.c). I would like to use it in several places in the mac80211 and ath5k code and I hope it can be useful in many other places in the kernel code. Signed-off-by: Bruno Randolf <br1@einfach.org> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-11-18ath9k_htc: Avoid setting QoS control for non-QoS framesRajkumar Manoharan
Setting tid information in the TX header is required only for QoS frames. Not handling this case causes severe data loss with some APs. Cc: stable@kernel.org Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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