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2011-01-21cfg80211: Extend channel to frequency mapping for 802.11jBruno Randolf
Extend channel to frequency mapping for 802.11j Japan 4.9GHz band, according to IEEE802.11 section 17.3.8.3.2 and Annex J. Because there are now overlapping channel numbers in the 2GHz and 5GHz band we can't map from channel to frequency without knowing the band. This is no problem as in most contexts we know the band. In places where we don't know the band (and WEXT compatibility) we assume the 2GHz band for channels below 14. This patch does not implement all channel to frequency mappings defined in 802.11, it's just an extension for 802.11j 20MHz channels. 5MHz and 10MHz channels as well as 802.11y channels have been omitted. The following drivers have been updated to reflect the API changes: iwl-3945, iwl-agn, iwmc3200wifi, libertas, mwl8k, rt2x00, wl1251, wl12xx. The drivers have been compile-tested only. Signed-off-by: Bruno Randolf <br1@einfach.org> Signed-off-by: Brian Prodoehl <bprodoehl@gmail.com> Acked-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21ath9k: Restart xmit logic in xmit watchdog.Ben Greear
The system can get into a state where the xmit queue is stopped, but there are no packets pending, so the queue will not be restarted. Add logic to the xmit watchdog to attempt to restart the xmit logic if this situation is detected. Example 'dmesg' output: ath: txq: f4e723e0 axq_qnum: 2, mac80211_qnum: 2 axq_link: f4e996c8 pending frames: 1 axq_acq empty: 1 stopped: 0 axq_depth: 0 Attempting to restart tx logic. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21ath9k: More xmit queue debugfs information.Ben Greear
To try to figure out why xmit logic hangs. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21ath9k: Keep track of stations for debugfs.Ben Greear
The stations hold the ath_node, which holds the tid and other xmit logic structures. In order to debug stuck xmit logic, we need a way to print out the tid state for the stations. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21ath9k: Add counters to distinquish AMPDU enqueues.Ben Greear
Show counters for pkts sent directly to hardware and those queued in software. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21ath9k: Ensure xmit makes progress.Ben Greear
If the txq->axq_q is empty, the code was breaking out of the tx_processq logic without checking to see if it should transmit other queued AMPDU frames (txq->axq_acq). This patches ensures ath_txq_schedule is called. This needs review. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21ath9k: Remove un-used member from ath_node.Ben Greear
Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21ath9k: Add more information to debugfs xmit file.Ben Greear
Should help debug strange tx lockup type issues. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21ath9k: Initialize ah->hwBen Greear
Previous code left it NULL. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21ath9k: Show some live tx-queue values in debugfs.Ben Greear
I thought this might help track down stuck queues, etc. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21mac80211: Fix skb-copy failure debug message.Ben Greear
This particular error isn't about multicast. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21iwlwifi: fix 4965 notification wait setupJohannes Berg
The notification wait support code is shared between 4965 and other AGN devices, so 4965 also has to initialize the data structures for it, otherwise it crashes. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21iwlagn: return error if PAN disable timeoutJohannes Berg
Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21iwlagn: properly wait for PAN disableJohannes Berg
Previously I hacked this with an msleep(300) which was fine since we never had longer PAN time slots, but now that we will have them I need to fix that. Use the new notification wait support to properly wait for the WIPAN deactivation complete signal from the ucode. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21iwlagn: add support for waiting for notificationsJohannes Berg
In order to implement waiting for notifications, add a structure that captures the information, and a list of such structures that will be traversed when a command is received from the ucode. Use sparse checking to make sure calls to the prepare/wait/cancel functions are always nested correctly. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-21iwlagn: make iwl_rx_handle staticJohannes Berg
It's not used or likely to be needed from other files, so it can be static. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mac80211: drop non-auth 3-addr data frames when running as a 4-addr stationFelix Fietkau
When running as a 4-addr station against an AP that has the 4-addr VLAN interface and the main 3-addr AP interface bridged together, sometimes frames originating from the station were looping back from the 3-addr AP interface, causing the bridge code to emit warnings about receiving frames with its own source address. I'm not sure why this is happening yet, but I think it's a good idea to drop all frames (except 802.1x/EAP frames) that do not match the configured addressing mode, including 4-address frames sent to a 3-address station. User test reports indicate that the problem goes away with this patch. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mac80211: allow advertising correct maximum aggregate sizeJohannes Berg
Currently, mac80211 always advertises that it may send up to 64 subframes in an aggregate. This is fine, since it's the max, but might as well be set to zero instead since it doesn't have any information. However, drivers might have that information, so allow them to set a variable giving it, which will then be used. The default of zero will be fine since to the peer that means we don't know and it will just use its own limit for the buffer size. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mac80211: track receiver's aggregation reorder buffer sizeJohannes Berg
The aggregation code currently doesn't implement the buffer size negotiation. It will always request a max buffer size (which is fine, if a little pointless, as the mac80211 code doesn't know and might just use 0 instead), but if the peer requests a smaller size it isn't possible to honour this request. In order to fix this, look at the buffer size in the addBA response frame, keep track of it and pass it to the driver in the ampdu_action callback when called with the IEEE80211_AMPDU_TX_OPERATIONAL action. That way the driver can limit the number of subframes in aggregates appropriately. Note that this doesn't fix any drivers apart from the addition of the new argument -- they all need to be updated separately to use this variable! Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mac80211: don't return beacons when mesh is disabledJohannes Berg
When mesh is disabled, mac80211 was returning beacons with an empty mesh ID. That isn't desirable, even if drivers shouldn't be trying to get beacons to start with. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k: Fix up hardware mode and beacons with multiple vifs.Ben Greear
When using a mixture of AP and Station interfaces, the hardware mode was using the type of the last VIF registered. Instead, we should keep track of the number of different types of vifs and set the mode accordingly. In addtion, use the vif type instead of hardware opmode when dealing with beacons. Attempt to move some of the common setup code into smaller methods so we can re-use it when changing vif mode as well as adding/deleting vifs. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k: fix excessive BAR sending when a frame exceeds its retry limitFelix Fietkau
Because the sendbar variable was not reset to zero, the stack would send Block ACK requests for all subframes following the one that failed, which could mess up the receiver side block ack window. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k: try more than one tid when scheduling a new aggregateFelix Fietkau
Sometimes the first TID in the first AC's list is not available for forming a new aggregate (the BAW might not allow it), however other TIDs may have data available for sending. Prevent a slowdown of other TIDs by going through multiple entries until we've either hit the last one or enough AMPDUs are pending in the hardware queue. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k_hw: fix carrier leakage calibration for AR9271Rajkumar Manoharan
AR9285 carrier leakage calibration related workaround on high temperature is not applicable for AR9271. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k_htc: keep calibrated noise floor value for oper channelRajkumar Manoharan
The ath9k_hw assumes that caldata is valid only for oper channel. But with ath9k_htc case, the caldata is passed for all channels on hw_reset though we are not doing calibration on that channel. So the oper channel's nf history got cleared to default due to mismatch in channel flags. This patch also saves some space. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k: preserve caldata history buffer across scanningRajkumar Manoharan
caldata's channel info is never filled with operating channel info which is causing the operating channel's noise floor history buffer is reset to default nf during channel change. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mac80211: Show max retry-counts in kernel messages.Ben Greear
Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mac80211: mesh only parameter mppath maybe unusedWey-Yi Guy
mppath is mesh related parameter and maybe unused Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k_hw: partially revert "fix dma descriptor rx error bit parsing"Felix Fietkau
The rx error bit parsing was changed to consider PHY errors and various decryption errors separately. While correct according to the documentation, this is causing spurious decryption error reports in some situations. Fix this by restoring the original order of the checks in those places, where the errors are meant to be mutually exclusive. If a CRC error is reported, then MIC failure and decryption errors are irrelevant, and a PHY error is unlikely. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mac80211: add hw configuration for max ampdu buffer sizeLuciano Coelho
Some devices don't support the maximum AMDPU buffer size of 64, so we need to add an option to configure this in the hardware configuration. This value will be used in the ADDBA response instead of the value suggested in the request, if the latter is greater than the max supported. Signed-off-by: Luciano Coelho <coelho@ti.com> Tested-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mac80211:mesh_mpp_table_grow call should depend on MESH_WORK_GROW_MPP_TABLE ↵Nick Ledovskikh
flag. Replace MESH_WORK_GROW_MPATH_TABLE by MESH_WORK_GROW_MPP_TABLE in mesh_mpp_table_grow call condition. (Clearly the original was a typo... -- JWL) Signed-off-by: Nickolay Ledovskikh <nledovskikh@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath5k: Fix return codes for eeprom read functions.Wojciech Dubowik
Eeprom read functions are of bool type and not int. Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k: reduce the likelihood of baseband hang check false positivesFelix Fietkau
Since baseband hangs are rare, but the hang check function has a high false positive rate in some situations, we need to add more reliable indicators. In AP mode we can use blocked beacon transmissions as an indicator, they should be rare enough. In station mode, we can skip the hang check entirely, since a true hang will trigger beacon loss detection, and mac80211 will rescan, which leads to a hw reset that will bring the hardware back to life. To make this more reliable, we need to skip fast channel changes if the hardware appears to be stuck. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k: reinitialize block ack window data when starting aggregationFelix Fietkau
There might be some old stale data left, which could confuse tracking of pending tx frames. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k: fix initial sequence number after starting an ampdu sessionFelix Fietkau
txtid->seq_start may not always be up to date, when there is HT non-AMPDU traffic just before starting an AMPDU session. Relying on txtid->seq_next is better, since it is also used to generate the sequence numbers for all QoS data frames. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k: fix bogus sequence number increases on aggregation tid flushFelix Fietkau
When a tid pointer is passed to ath_tx_send_normal(), it increases the starting sequence number for the next AMPDU action frame, which should only be done if the sequence number assignment is fresh. In this case it is clearly not. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19rt2x00: Fix and fine-tune rf registers for RT3070/RT3071/RT3090RA-Jay Hung
Basically fix and fine-tune RT3070/RT3071/RT3090 chip RF initial value when call rt2800_init_rfcsr Signed-off-by: RA-Jay Hung <jay_hung@ralinktech.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19rt2x00: Fix radio off hang issue for PCIE interfaceRA-Jay Hung
PCI/PCIE radio off behavior is different from SOC/USB. They mainly use MCU command to disable DMA, TX/RX and enter power saving mode. Signed-off-by: RA-Jay Hung <jay_hung@ralinktech.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mac80211: Rewrote code for checking if destinations are proxied.Joel A Fernandes
Rewrote code for checking if the destination is proxied by a mesh portal, to facilitate better understanding of the functionality. Signed-off-by: Joel A Fernandes <agnel.joel@gmail.com> Acked-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k_hw: Offload USB eeprom reading to targetSujith Manoharan
For USB devices, reading the EEPROM data can be offloaded to the target. Use multiple register reads to take advantage of this feature to reduce initialization time. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19ath9k_htc: Add multiple register read APISujith Manoharan
This would decrease latency in reading bulk registers. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mwl8k: Enable HW encryption for AP modeNishant Sarmukadam
set_key callback is defined for mac80211 to install keys for HW crypto in AP mode. Driver currently falls back to SW crypto in STA mode. Add support to configure the keys appropriately in the hardware after the set_key routine is called. Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: Pradeep Nemavat <pnemavat@marvell.com> Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mwl8k: Set mac80211 rx status flags appropriately when hw crypto is enabledNishant Sarmukadam
When hw crypto is enabled, set rx status flags appropriately depending on whether hw crypto is enabled for a particular bss. Also report MIC errors to mac80211, so that counter measures can be initiated Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: yogesh powar <yogeshp@marvell.com> Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mwl8k: Add encapsulation of data packet for cryptoNishant Sarmukadam
Different tail pads will be needed for crypto depending on the crypto mode. Add support to encapsulate the packets with appropriate pad value. Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: Pradeep Nemavat <pnemavat@marvell.com> Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-19mwl8k: Modify add_dma_header to include pad parametersNishant Sarmukadam
Add capability to add_dma_header to support padding at tail of the data packet to be transmitted when crypto is enabled. Padding is required for adding crypto information in data packets for supporting 802.11 security modes. Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: Pradeep Nemavat <pnemavat@marvell.com> Signed-off-by: Thomas Pedersen <thomas@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-18Linux 2.6.38-rc1v2.6.38-rc1Linus Torvalds
2011-01-18Merge branch 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging: hwmon: (lm93) Add support for LM94
2011-01-18Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf: Validate cpu early in perf_event_alloc() perf: Find_get_context: fix the per-cpu-counter check perf: Fix contexted inheritance
2011-01-18Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Clear irqstack thread_info x86: Make relocatable kernel work with new binutils
2011-01-18Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linusLinus Torvalds
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus: (26 commits) MIPS: Malta: enable Cirrus FB console MIPS: add CONFIG_VIRTUALIZATION for virtio support MIPS: Implement __read_mostly MIPS: ath79: add common WMAC device for AR913X based boards MIPS: ath79: Add initial support for the Atheros AP81 reference board MIPS: ath79: add common SPI controller device SPI: Add SPI controller driver for the Atheros AR71XX/AR724X/AR913X SoCs MIPS: ath79: add common GPIO buttons device MIPS: ath79: add common watchdog device MIPS: ath79: add common GPIO LEDs device MIPS: ath79: add initial support for the Atheros PB44 reference board MIPS: ath79: utilize the MIPS multi-machine support MIPS: ath79: add GPIOLIB support MIPS: Add initial support for the Atheros AR71XX/AR724X/AR931X SoCs MIPS: jump label: Add MIPS support. MIPS: Use WARN() in uasm for better diagnostics. MIPS: Optimize TLB handlers for Octeon CPUs MIPS: Add LDX and LWX instructions to uasm. MIPS: Use BBIT instructions in TLB handlers MIPS: Declare uasm bbit0 and bbit1 functions. ...
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