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path: root/drivers/net/wireless
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2013-08-15ath9k: Fix RX beacon processingSujith Manoharan1-26/+22
Make sure that chained descriptors are handled correctly before the packet is parsed to determine if it is a beacon. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: Fix RX packet counterSujith Manoharan1-4/+7
Handle chained descriptors and increment the RX counter only for valid packets. Since this is used only by MCI, use CONFIG_ATH9K_BTCOEX_SUPPORT. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: Fix RX debug statisticsSujith Manoharan1-2/+1
The various error bits that ath_debug_stat_rx() checks are valid only for the last descriptor for a chained packet, handle this correctly. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: Fix PHY error processingSujith Manoharan1-11/+12
Parse the PHY error details only for the last fragment in case descriptors are chained. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: Reorder some functionsSujith Manoharan1-110/+110
Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: Fix TSF processingSujith Manoharan1-13/+20
There is no need to calculate the mactime for chained descriptor packets, so make sure that this is done only for the last fragment of valid packets. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: Fix RX crypto processingSujith Manoharan1-8/+4
The keymiss events are valid only in the last descriptor of a packet. Fix this by making sure that we return early in case of chained descriptors. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: Discard invalid frames earlySujith Manoharan1-16/+22
Frames with invalid or zero length can be discarded early, there is no need to check the crypto bits. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: Fix phy error handling for DFSSujith Manoharan1-2/+1
Since the DFS code appears to process the phy errors ATH9K_PHYERR_RADAR and ATH9K_PHYERR_FALSE_RADAR_EXT, check for the correct phyerr status in the main RX tasklet routine. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: Use a subroutine to check for "mybeacon"Sujith Manoharan1-13/+23
Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k_htc: do not use bulk on EP3 and EP4Oleksij Rempel1-27/+11
If usb auto suspend is enabled or system run in to suspend/resume cycle, ath9k-htc adapter will stop to response. It is reproducible on xhci HCs. Host part of problem: XHCI do timing calculation based on Transfer Type and bInterval, immediately after device was detected. Ath9k-htc try to overwrite this parameters on module probe and some changes in FW, since we do not initiate usb reset from the driver this changes are not took to account. So, before any kind of suspend or reset, host controller will operate with old parameters. Only after suspend/resume and if interface id stay unchanged, new parameters will by applied. Host will send bulk data with no intervals (?), which will cause overflow on FIFO of EP4. Firmware part of problem: By default, ath9k-htc adapters configured with EP3 and EP4 as interrupt endpoints. Current firmware will try to overwrite ConfigDescriptor to make EP3 and EP4 bulk. FIFO for this endpoints stay not reconfigured, so under the hood it is still Int EP. This patch is revert of 4a0e8ecca4ee commit which trying to reduce CPU usage on some systems. Since it will produce more bug as fixes, we will need to find other way to fix it. here is comment from kernel source which has some more explanation: * Some buggy high speed devices have bulk endpoints using * maxpacket sizes other than 512. High speed HCDs may not * be able to handle that particular bug, so let's warn... in our case EP3 and EP4 have maxpacket sizes = 64!!! Signed-off-by: Oleksij Rempel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15wil6210: let IP stack re-check HW TCP/UDP csum errorsVladimir Kondratiev1-6/+6
Fix for TCP iperf from Windows to Linux stall after about 1sec Hardware reports false errors in some situations: Microsoft IP stack, in violation of RFC 1624, set TCP checksum that should be 0x0 as 0xffff. hardware report Rx csum error. If HW csum absolutely trusted, this frame can be never received, as re-transmitted one will have same csum problem. In addition, it mess up block ack reorder buffer, as if packet dropped, it is not score boarded there. Signed-off-by: Vladimir Kondratiev <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: reset buffer stale flag in ath_tx_get_tid_subframeFelix Fietkau1-0/+2
If that flag stays set for a buffer that already ran through the tx path once, it might cause issues in tx completion processing. Better clear it early to ensure that this does not happen Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: simplify ath_tid_drainFelix Fietkau1-12/+0
ath_tid_drain is only called when a station entry is being removed, so there is no point in still tracking BAW state. Remove some unnecessary code and a bogus TODO comment related to this. Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: avoid accessing MRC registers on single-chain devicesFelix Fietkau1-0/+4
They are not implemented, and accessing them might trigger errors Cc: [email protected] Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: simplify debugfs chainmask handlingFelix Fietkau1-88/+4
Writing to that file is unnecessary and quirky, the antenna API should be used instead. Use debugfs_create_u8 to allow reading the values. Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: remove ath9k_sta_remove_debugfsFelix Fietkau4-20/+1
mac80211 uses debugfs_remove_recursive, so there's no need for the driver to do an explicit cleanup of its sta debugfs entry. Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: shrink a few data structures by reordering fieldsFelix Fietkau2-14/+14
Also reduce the size of a few fields where possible Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15ath9k: fix rx descriptor related race conditionFelix Fietkau2-8/+14
Similar to a race condition that exists in the tx path, the hardware might re-read the 'next' pointer of a descriptor of the last completed frame. This only affects non-EDMA (pre-AR93xx) devices. To deal with this race, defer clearing and re-linking a completed rx descriptor until the next one has been processed. Cc: [email protected] Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: use configurable sdio bus header length for tx packetFranky Lin1-14/+16
Host tx glomming require an extended hardware sdio bus header to store information for dongle. Introduce a variable in struct brcmf_sdio to replace macro SDPCM_HDRLEN Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Reviewed-by: Arend van Spriel <[email protected]> Signed-off-by: Franky Lin <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: streamline sdio bus header codeFranky Lin1-123/+120
Streamlining sdio bus specific header related code as preparation for host tx glomming Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Signed-off-by: Franky Lin <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: remove align from brcmf_bus structureFranky Lin3-11/+17
remove align from brcmf_bus since it is only used by sdio bus layer internally Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Reviewed-by: Arend van Spriel <[email protected]> Signed-off-by: Franky Lin <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: abstract tx packet processing functionsFranky Lin3-78/+177
Abstract brcmf_sdio_txpkt_prep and brcmf_sdio_txpkt_postp as a preparation of chained tx packets for host side tx glomming. Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Reviewed-by: Arend van Spriel <[email protected]> Signed-off-by: Franky Lin <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: add support for manual TDLS operationsArend van Spriel2-1/+77
Implement the .tdls_oper() callback and indicate TDLS support in the wiphy flags. Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: ignore IF event if firmware indicates itArend van Spriel2-0/+6
Not every IF event from the firmware needs to result in a related interface, netdev or wdev, on the host. This is indicated in the event message. Handle that flag and effectively ignore the firmware event. Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: no fws locking outside fws module.Hante Meuleman2-66/+62
FWS uses locking to protect its data while being called from various entries. On bus_txdata the lock was kept resulting in unnecessary long locking, but also creating possibility for deadlock. This update changes the locking to release lock when bus_txdata is called. Reviewed-by: Arend Van Spriel <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Signed-off-by: Hante Meuleman <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: always use worker thread for tx data.Hante Meuleman3-56/+54
When fw signalling is disabled tx is sent immediately. Using queues and worker thread allows usb to do synchronous autopm. This patch makes fws use queues and worker thread even if signalling is not supported by FW or not enabled. Reviewed-by: Arend Van Spriel <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Signed-off-by: Hante Meuleman <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: add AMPDU reordering functionalityArend van Spriel3-27/+283
This feature moves the responsibility of collecting all MPDUs in an AMPDU session in the correct order from the firmware to the host driver. This reduces buffer requirement on the firmware side. Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: .txdata() bus callback should not call brcmf_txcomplete()Arend van Spriel3-3/+5
With firmware-signalling the packet handed to the bus specific driver layer should not be discarded with brcmf_txcomplete() in the failure path. Instead only an error is returned and the caller decides what to do with the packet. Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15brcmfmac: use irq safe spinlock in brcmf_sdbrcm_txdata()Arend van Spriel2-3/+8
Firmware-signalling needs transmit to firmware to be atomic and uses a spinlock with irq disabled. Therefor, brcmf_sdbrcm_txdata() should not use spin_unlock_bh() as it would enable the interrupts. Reviewed-by: Hante Meuleman <[email protected]> Reviewed-by: Franky (Zhenhui) Lin <[email protected]> Reviewed-by: Pieter-Paul Giesberts <[email protected]> Signed-off-by: Arend van Spriel <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-15Merge branch 'for-linville' of git://github.com/kvalo/athJohn W. Linville11-43/+270
2013-08-12mwifiex: fix build error when CONFIG_PM is not setBing Zhao1-2/+2
config: make ARCH=m68k allmodconfig All error/warnings: drivers/net/wireless/mwifiex/cfg80211.c: In function 'mwifiex_fill_coalesce_rule_info': >> drivers/net/wireless/mwifiex/cfg80211.c:2493:3: error: implicit declaration of function 'mwifiex_is_pattern_supported' [-Werror=implicit-function-declaration] drivers/net/wireless/mwifiex/cfg80211.c: At top level: drivers/net/wireless/mwifiex/cfg80211.c:2537:12: warning: 'mwifiex_cfg80211_set_coalesce' defined but not used [-Wunused-function] cc1: some warnings being treated as errors Reported-by: kbuild test robot <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-12iwlwifi: mvm: remove MIMO3 from rate scale codeEyal Shapira2-389/+45
Current and future chips supported by mvm will only have a maximum of 2 antennas so all the MIMO3 related code and states can be dropped. Signed-off-by: Eyal Shapira <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12iwlwifi: mvm: Add basic uAPSD client supportAlexander Bondar6-28/+135
Implement basic uAPSD client support adding the following: - Advertise uAPSD support in HW capabilities - Set all ACs trigger- and delivery-enabled - Set max SP length to 2 buffered frames - Assign QNDP with the highest TID with no mandatory admission control required - Set uAPSD related parameters in Power Table command Signed-off-by: Alexander Bondar <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12iwlwifi: mvm: don't clear tbl->win mistakenlyEliad Peller1-1/+1
rs_get_tbl_info_from_mcs() mistakenly clears the rate histories window, overriding its initialization values (i.e. filling it with 0, instead of -1). Signed-off-by: Eliad Peller <[email protected]> Reviewed-by: Emmanuel Grumbach <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12iwlwifi: mvm: remove unused fields of iwl_rs_rate_infoEyal Shapira2-43/+16
Some more cleanups of unused fields and their initializations. Signed-off-by: Eyal Shapira <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12iwlwifi: pcie: returning positive instead of negativeDan Carpenter1-1/+1
There is a missing '-' character here so we return positive 'ENOMEM' instead of negative. The caller doesn't care. All non-zero returns are translated to '-ENOMEM' in iwl_pcie_nic_init(). This is just a cleanup. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12iwlwifi: mvm: remove rate_scale_data debugfs entryEyal Shapira2-31/+0
This isn't very informative and can be deduced from rate_scale_table. Remove as a preparation for dropping iwl_rs_rate_info.ieee. Signed-off-by: Eyal Shapira <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12iwlwifi: pcie: don't swallow error codes in iwl_trans_pcie_alloc()Luciano Coelho2-13/+17
The iwl_trans_pcie_alloc() function doesn't pass up error codes returned from functions it calls, swallowing them and returning NULL in all failure cases. The caller checks if the return value is NULL and returns -ENOMEM. This is not correct, because in certain cases the failure was not due to an OOM situation. To fix this, modify the iwl_trans_pcie_alloc() function to use ERR_PTR() to return error codes and clean up the error handling code a bit. Signed-off-by: Luciano Coelho <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12iwlwifi: mvm: add support to the new FW time event APIEytan Lifshitz3-73/+251
The time event firmware API will change, add the support for that. Use the new API throughout and convert to the old where needed. Signed-off-by: Eytan Lifshitz <[email protected]> Reviewed-by: Guy Cohen <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12mac80211: add vif to testmode cmdDavid Spinadel3-2/+5
Pass the wdev from cfg80211 on to the driver as the vif if given and it's valid for the driver. Signed-off-by: David Spinadel <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12cfg80211: add wdev to testmode cmdDavid Spinadel3-4/+10
To allow drivers to implement per-interface testmode operations more easily, pass a wdev pointer if any identification for one was given from userspace. Clean up the code a bit while at it. Signed-off-by: David Spinadel <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
2013-08-12mac80211: add control port protocol TX control flagJohannes Berg3-9/+9
A lot of drivers check the frame protocol for ETH_P_PAE, for various reasons (like making those more reliable). Add a new flags bitmap to the TX control info and a new flag indicating the control port protocol is in use to let all drivers also apply such logic to other control port protocols, should they be configured. Also use the new flag in the iwlwifi drivers. Signed-off-by: Johannes Berg <[email protected]>
2013-08-09ath9k: Run the LNA combining algorithm properlySujith Manoharan1-16/+28
The LNA combining algorithm has to be run for cards that support the required diversity features, make sure that that correct conditions are met before enabing this algorithm. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-09ath9k: Fix BTCOEX usage for RX diversitySujith Manoharan1-2/+2
BTCOEX has to be *disabled* for WLAN RX diversity to work on combo cards. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-09ath9k: use software queueing for multicast trafficFelix Fietkau3-2/+23
Create a per-vif dummy node entry for keeping the multicast software queues. This helps in setups with a lot of mulitcast traffic that could otherwise potentially drown out unicast traffic to stations. Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-09ath9k: improve tx scheduling fairnessFelix Fietkau1-39/+50
Instead of trying to schedule the same TID multiple times in a loop, iterate over other TIDs/stations first. Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-09ath9k: use software queues for un-aggregated data packetsFelix Fietkau2-127/+145
This is a first step for improving fairness between legacy and 802.11n traffic, and it should also improve reliability of resets and channel changes by keeping the hardware queue depth very short. When an aggregation session is torn down, all packets in the retry queue will be removed from the BAW and freed. For all subframes that have not been transmitted yet, the A-MPDU flag will be cleared, and a sequence number allocated. This ensures that the next A-MPDU session will get the correct initial sequence number. This happens both on aggregation session start and stop. Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-09ath9k: always clear ps filter bit on new assocFelix Fietkau1-0/+1
Otherwise in some cases, EAPOL frames might be filtered during the initial handshake, causing delays and assoc failures. Cc: [email protected] Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2013-08-09ath9k: fix clearing expired A-MPDU subframes in tx completionFelix Fietkau1-1/+2
When the tid aggregation state has been marked as inactive, free completed tx packets immediately. When a new aggregation session has not been initialized yet, the BAW checks do not recognize it as expired. Might fix potential stalls in setting up a new aggregation session. Signed-off-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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