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path: root/drivers/net
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2011-08-24carl9170: improve site surveyChristian Lamparter
The firmware keeps track of channel usage. This data can be used by the automatic channel selection to find the *best* channel. Survey data from wlan22 frequency: 2412 MHz [in use] noise: -86 dBm channel active time: 3339608 ms channel busy time: 270982 ms channel transmit time: 121515 ms Survey data from wlan22 frequency: 2417 MHz noise: -86 dBm channel active time: 70 ms channel busy time: 2 ms channel transmit time: 1 ms Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24carl9170: import updated firmware headersChristian Lamparter
Import new headers from our firmware branch: git://git.kernel.org/pub/scm/linux/kernel/git/chr/carl9170fw.git Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24carl9170: fix timekeeping for HW_COUNTER firmwaresChristian Lamparter
AR9170_PWR_REG_PLL_ADDAC is used to set the main clock divisor which affects the AHB/CPU speed. Because this would interfere with the firmware internal timekeeping, the function has to be moved into the firmware. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24libertas: handle mesh networks in lbs_iface_active()Dan Carpenter
There was an extra semicolon so the if condition wasn't used. We checked "priv->dev" twice instead of "priv->mesh_dev". Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24b43: LCN-PHY: add init tablesRafał Miłecki
They were taken from MMIO dump with few RegExps and vim. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24b43: LCN-PHY: switch analogRafał Miłecki
Analog is switched on right after reading PHY version: read16 0xfaafc3e0 -> 0xa801 phy_read(0x043b) -> 0x0000 phy_write(0x043b) <- 0x0000 Switched off after after killing radio: >>> Switch Radio(OFF) end phy_read(0x043c) -> 0x0000 phy_write(0x043c) <- 0x0007 phy_read(0x043b) -> 0x0000 phy_write(0x043b) <- 0x0007 Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24b43: LCN-PHY: implement disabling radioRafał Miłecki
wl reads radio version, then disables it. That's how we found it in MMIO dump: radio_read(0x0000) -> 0x0031 <-- RADIO READ WITHOUT 0x200 SET! radio_read(0x0001) -> 0x0064 <-- RADIO READ WITHOUT 0x200 SET! radio_read(0x0002) -> 0x0020 <-- RADIO READ WITHOUT 0x200 SET! read32 0xfaafc120 -> 0x04000400 phy_read(0x044d) -> 0x0000 phy_write(0x044d) <- 0x0000 phy_read(0x044c) -> 0x1fff phy_write(0x044c) <- 0x1fff phy_read(0x04b7) -> 0x0000 phy_write(0x04b7) <- 0x0000 phy_read(0x04b1) -> 0x0000 phy_write(0x04b1) <- 0x0000 phy_read(0x04b0) -> 0x7dff phy_write(0x04b0) <- 0x7dff phy_read(0x04fa) -> 0x0000 phy_write(0x04fa) <- 0x0000 phy_read(0x04f9) -> 0x007f phy_write(0x04f9) <- 0x007f Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24b43: LCN-PHY: add very basic PHY opsRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24b43: fix DMA on some bugged hardwareRafał Miłecki
Some hardware with 64-bit DMA uses lower address word for setting routing (translation) bit. Add workaround for such boards. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: remove a bogus WARN_ONFelix Fietkau
On embedded hardware it's normal to not have a PCI device for the PCI bridge that the wifi card is attached to. pdev->bus->self will be NULL in that case. In that case, simply return without emitting an useless kernel stack trace. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: Dump modal noisefloor calibration historyRajkumar Manoharan
Debugfs file location: <debugfs_mnt>/ieee80211/phy#/ath9k/dump_nfcal Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: Fix invalid noisefloor reading due to channel updateRajkumar Manoharan
While switching b/w HT20/40, the current channel's nf values are updated into history buffer. Since the current channel's channel type, channel flag got updated before reading nf value from hw. This channel type mismatch is causing invalid readings when hw is on ht20 but getnf tries to read on extn chains. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: Fix noisefloor history update for extn chainsRajkumar Manoharan
Before doing hw reset the current channel's noisefloor readings are updated into history buffer. The extension chain's readings are considered only if the current channel was configured in HT40. While moving from HT40 to HT20, the extn chain's readings are skipped though the current channel is in ht40. This patch updates extn chain reading based on channel flag. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: Move ath9k_init_crypto to commonRajkumar Manoharan
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: Remove SC_OP_ENABLE_APMRajkumar Manoharan
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k_hw: Remove unnecessary chainmask configurationRajkumar Manoharan
The chainmasks were already configured at process_ini before doing init calibration. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: qinfo never be NULL in setuptxqueueRajkumar Manoharan
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: Remove unused argument tsf from ath9k_hw_rxprocdescRajkumar Manoharan
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: Re-enable RXOEL interrupt after processing rx buffersRajkumar Manoharan
Once RXEOL was disabled, it never be enabled again. This patch re-enables rxeol at the end of rx tasklet. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k: Fix rx overrun interrupt stormRajkumar Manoharan
Whenever RXEOL is received, both RXORN and RXEOL got cleared to avoid rx overrun interrupt storm. This was handled only for edma chips. The same scenario was also observered with AR9280, doing frequent channel type switch b/w HT20/40 with bidi traffic that is causing failure to stop rx dma. This patch clears the RXEOL & RXORN interrupts for all chips. ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x42000020 DMADBG_7=0x000062c0 ath: Could not stop RX, we could be confusing the DMA engine when we start RX up ------------[ cut here ]------------ WARNING: at drivers/net/wireless/ath/ath9k/recv.c:532 ath_stoprecv+0x110/0x120 [ath9k]() Call Trace: [<ffffffff8104a55a>] warn_slowpath_common+0x7a/0xb0 [<ffffffff8104a5a5>] warn_slowpath_null+0x15/0x20 [<ffffffffa0560380>] ath_stoprecv+0x110/0x120 [ath9k] [<ffffffffa055e6fa>] ath_reset+0x6a/0x200 [ath9k] Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-24ath9k_hw: Fix exceed transmission burst-time of 5GHzRajkumar Manoharan
The WAR which adds extra delimiters when using RTS/CTS with aggregation and non-enterprise AR9003 chips. This extra padding is done after doing all the 4ms limit checks and hence the total aggregate sizes are exceeding the allowed duration. This patch limits the aggregate sizes appropriately after including these extra delimiters. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-23b43: HT-PHY: allow writing longer tables with a single callRafał Miłecki
Sometimes we need to write table which is 2-10 elements long. It's easier to create such a function instead of defining array every time. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: HT-PHY: init: add missing small-tables writesRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22rtlwifi: add module parameter to set global debug levelStefan Assmann
No need to recompile the module anymore to set the debug level. Signed-off-by: Stefan Assmann <sassmann@kpanic.de> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: HT-PHY: init: add some AFE (Analog Frontend) operationRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: HT-PHY: init: add missing PHY mask/set opsRafał Miłecki
MMIO hacks were used to trick ndis&wl. For example following: phy_read(0x0280) -> 0xffff phy_write(0x0280) <- 0xff3e *** phy_read(0x0280) -> 0x0000 phy_write(0x0280) <- 0x003e was translated to mask 0xff00 and set 0x3e. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: HT-PHY: init: init BPHY and upload 0x1a tableRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: HT-PHY: init: copy tables and reset CCARafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: HT-PHY: init: implement few simple PHY writesRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: HT-PHY: init: zero EXTG registersRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22mwl8k: Traffic to clients gets affected when one client leaves a cyrpto bssNishant Sarmukadam
When a client disassociates from a crypto enabled bss, data traffic to other clients connected to the bss is stalled. This was due to a boolean variable used to keep track if HW crypto is enabled i.e. if set key has been called to add a key. This flag was being reset every time delete key was called e.g when a station leaves the bss. Once the flag is reset, rx status flags were not being set for connected clients which disrupts traffic to these clients. Fix this issue by not resetting the flag since we do not need to reset this flag during the life time of the bss. Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: make forcing clock common (HT-PHY also uses that)Rafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: include HT-PHY in some common codeRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: support new RX header, noticed to be used in 598.314+ fwRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: support new TX header, noticed to be used by 598.314+ fwRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: use enum for firmware header formatRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: rename TX header formatsRafał Miłecki
Replace "old" and "new" with number of the first firmware known to use the given format. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22b43: reload phy and bss settings after core restartsFelix Fietkau
b43_op_config and b43_op_bss_info_changed apply many settings by directly writing to hardware registers. These settings are lost as soon as the core is restarted and the initvals are reloaded. This was discovered because restarting hostapd led to the beacon interval getting set to ~33s (see https://dev.openwrt.org/ticket/8033 for more information). Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22ath9k: do btcoex ASPM disabling at initialization timeStanislaw Gruszka
Disable ASPM in pci ->probe on upstream (device) and downstream (PCIe port) component. According to e1000e driver authors this is required. I did not find that requirement in PCIe spec, but it seems to be logical for me. This need to be fixed for CONFIG_PCIEASPM, that will be done later ... Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22ath9k: merge common ->config_pci_powersave() checksStanislaw Gruszka
Move common checks into wrapper function. Since ASPM can be only enabled on PCIe devices ->is_pciexpress check is unneeded. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22ath9k: remove ->config_pci_powersave() redundant argumentStanislaw Gruszka
We always call ->config_pci_powersave() with both restore and power_off arguments equal to 0 or both equal to 1, so merge them into one argument. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-22wl12xx: fix tx_queue_count spurious incrementArik Nemtsov
Only increment the queue count after actually queuing the skb. This avoids a spurious increment is case of dropped packets. Also move the Tx-watermark checking code after the packet is enqueued. This makes the count more accurate - it includes the just-queued packet. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-08-22wl12xx: AP-mode - prevent Tx to stale/invalid stationsArik Nemtsov
Don't pollute the queues with Tx directed to invalid stations. This can happen during recovery. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-08-22wl12xx: set the AP-started flag only after setting keysArik Nemtsov
This fix eliminates a potential race between starting the AP role and setting encryption keys. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-08-22wl12xx: enable AP advanced functionalityArik Nemtsov
This adjusts FW TX block allocation for connected stations in PS. Firmware congestion is measured in allocated packets instead of blocks. Allow a link in PS to queue up to 2 packets to the FW. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-08-22wl12xx: don't wait for disconnection eventEliad Peller
Sometimes the fw doesn't send the DISCONNECT_EVENT_COMPLETE_ID on station role stop, so don't wait for it. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-08-22wl12xx: handle wrap-around overflow in released Tx blocks FW counterArik Nemtsov
When the FW Tx released blocks counter wraps around, we should correct our calculation of released blocks. Otherwise we add a large negative figure to our driver freed blocks counter Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-08-22wl12xx: schedule TX packets according to FW packet occupancyArik Nemtsov
When selecting packets for transmission, prefer the ACs that are least occupied in the FW. When packets for multiple ACs are present in the FW, it decides which to transmit according to WMM QoS parameters. With these changes, lower priority ACs should not be starved when higher priority traffic is present. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-08-22wl12xx: track freed packets in FW by ACArik Nemtsov
Track the number of freed packets in each AC when receiving an interrupt from the FW. This paves the way for tracking allocated packets per AC. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-08-22wl12xx: don't remove key if hlid was already deletedEliad Peller
When wep key was removed after disconnection, sta_hlid was invalid, and it resulted in a fw crash. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
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