- 15 Nov, 2010 40 commits
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Herton Ronaldo Krzesinski authored
We were using wrong address for BRSR (Basic Rate Set Register) while initializing its value, comparing with Realtek sources, for 8187B case. Also, the same register is initialized in rtl8187b_reg_table, so remove the duplicate initialization from the table. Signed-off-by:
Herton Ronaldo Krzesinski <herton@mandriva.com.br> Acked-by:
Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Herton Ronaldo Krzesinski authored
On 8187B path, we set a initial value for beacon interval and atim window on initialization. But this isn't needed, since same setup is done on rtl8187_config. Signed-off-by:
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Herton Ronaldo Krzesinski authored
This removes redundant write to Auto Rate Fallback Register on RTL8187B. The same value was being written twice in the same function. Avoid this removing the duplicate initialization on rtl8187b_reg_table, and also add comment for this write (information from Realtek source). Signed-off-by:
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Nishant Sarmukadam authored
AP firmware uses xmitcontrol to differentiate between AMPDU and non-AMPDU frames. As the support for AMPDU is not yet added, set xmitcontrol to non-AMPDU for all tx frames for AP firmware. This field will be set to indicate ampdu/non-ampdu frames when tx AMPDU support is added. Signed-off-by:
Pradeep Nemavat <pnemavat@marvell.com> Signed-off-by:
Brian Cavagnolo <brian@cozybit.com> Acked-by:
Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by:
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Christian Lamparter authored
Previously, the beacon rate was fixed to either: * 1Mb/s [2.4GHz band] * 6Mb/s [5GHz band] This limitation has been addressed and now the beacon rate is selected by ieee80211_tx_info's rate control info, almost like any ordinary data frame. Signed-off-by:
Christian Lamparter <chunkeey@googlemail.com> Signed-off-by:
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Christian Lamparter authored
This patch fixes a possible lengthy stall if the device is operating as an experimental 11n AP and an STA [during heavy txrx action] suddenly signalized to go off-channel (old NetworkManager), or (sleep - which is unlikely, because then it wouldn't be *active* at all!?). Because the driver has to manage the BA Window, the sudden PSM transition can leave active uplink BA sessions to the STA in a bad state and a proper cleanup is needed. Signed-off-by:
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Christian Lamparter authored
RX Stress tests of unidirectional bulk traffic with bitrates of up to 220Mbit/s have revealed that the fatal-event recovery logic [which was solely triggered by an out-of-rx-buffer situation] is too aggressive. The new method now "pings" the device and then decides - based on the response - whenever a restart is needed or not. Signed-off-by:
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Christian Lamparter authored
This patch changes the initial aMPDU density and factor settings to match those of Otus. Signed-off-by:
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Christian Lamparter authored
This patch imports all shared header changes from carl9170fw.git. * add some strategic __aligned(4). This allows the compiler generate optimized code for architectures which can't access (unaligned/packed) data efficiently. ("ath9k_hw: optimize all descriptor access functions") * add a forgotten __CARL9170FW__ ifdef around a private firmware-internal struct. * GET_VAL macro helper Very useful for extracting data out of the bit-packed PHY registers. * cosmetic changes e.g.: _CCA_MINCCA_ to just _CCA_MIN_. * version bump 1.8.8.3 -> 1.9.0. Signed-off-by: -
Blaise Gassend authored
Up to now mac80211_hwsim has been reporting an rssi of -50. This patch improves the model slightly by returning txpower-50. This makes it easy to stimulate tests that need to see a varying rssi. Signed-off-by:
Blaise Gassend <blaise@willowgarage.com> Signed-off-by:
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Thadeu Lima de Souza Cascardo authored
Clearing the per packet TX AGC for the RTL8187B device appears to increase its overall TX power. This allows the device to associate and a connection to be established using APs a little further away. This is in accordance to what is done for RTL8187L devices and also what Realtek drivers do. Tested-by:
Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by:
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Eliad Peller authored
add RECOVER testmode command. this command triggers a recovery sequence (by enqueueing a recovery_work). Signed-off-by:
Eliad Peller <eliad@wizery.com> Reviewed-by:
Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by:
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Eliad Peller authored
unmask the WL1271_ACX_INTR_WATCHDOG interrupt. when getting it - enqueue a recovery work and bail out. Signed-off-by:
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Eliad Peller authored
refactor wl1271_debugfs by using a format© function, instead of duplicating the code for each generated function. this change reduces about 3Kb from wl1271.ko Signed-off-by:
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Eliad Peller authored
set wl->vif to the newly created interface only after the firmware booted successfully. on the way - make the function flow more clear. Signed-off-by:
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Juuso Oikarinen authored
Check the state of the interface on op_* function so we don't try to access the hardware in when its off. The mac80211 may call these in some corner cases related, for instance, to the hardware recovery procedure. These accesses cause a kernel crash on at least some SDIO devices, because the bus is not properly claimed in that scenario. Signed-off-by:
Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by:
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Juuso Oikarinen authored
In scan_complete_work, because the mutex is released before accessing the scan->failed flag, it is possible for unfounded hardware recovery rounds to be executed. Fix this. Signed-off-by:
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Juuso Oikarinen authored
The wl1271_rx function loops through packets in an aggregated buffer. Each packet in the buffer is handled by a call to wl1271_rx_handle_data, which will fail if skb memory allocation fails or production mode is enabled. These failures currently prevent the rx counters to be incremented, thus causing the rx loop to run forever. Fix this by ignoring error codes reported wl1271_rx_handle_data function. This essentially means that frames will be dropped in production mode, which is the intetion, and frames will be dropped if memory allocation fails, which is a decent way to recover from that situation. Signed-off-by:
Tuomas Katila <ext-tuomas.2.katila@nokia.com> Reviewed-by:
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Nicolas Kaiser authored
wl1271_ps_elp_sleep() is void and cannot return a value. Signed-off-by:
Nicolas Kaiser <nikai@nikai.net> Reviewed-by:
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Luciano Coelho authored
This bug was being triggered by a call to acx_rate_policies in tx_work without calling ps_elp_wakeup first. If we have full PSM enabled, this happens rather often, immediately after association. Reported-by:
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Teemu Paasikivi authored
While scanning, it is possible that beacon and probe response frames are received on other band than configured to the driver. In rx status handling this has caused "Unsupported RX rate from HW" warnings. This patch changes the wl1271_rate_to_index function to take the band of the received frame as a parameter instead of using value configuret to wl->band. Signed-off-by:
Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com> Reviewed-by:
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Shahar Levi authored
Add 11n ability in scan, connection and using MCS rates. The configuration is temporary due to the code incomplete and still in testing process. That plans to be remove in the future. Signed-off-by:
Shahar Levi <shahar_levi@ti.com> Reviewed-by:
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Shahar Levi authored
Added ACX command to the FW for 11n support. Signed-off-by:
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Shahar Levi authored
Two acx commands: ht_capabilities & ht_information, 11n sta capabilities macro. Signed-off-by:
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Ido Yariv authored
The number of entries in the TX queue is compared to the low watermark value each time TX completion interrupts are handled. However, the fact that a TX completion arrived does not necessarily mean there are any less skbs in the TX queue. In addition, a TX completion interrupt does not necessarily mean that there are any new available TX blocks. Thus, queuing TX work when the low watermark is reached might not be needed. Fix this by moving the low watermark handling to the TX work function, and avoid queuing TX work in this case. Signed-off-by:
Ido Yariv <ido@wizery.com> Reviewed-by:
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Ido Yariv authored
On each TX descriptor allocation, a free entry is found by traversing the TX descriptors array. Improve this by holding a bitmap of all TX descriptors, and using efficient bit operations to search for free entries. Signed-off-by:
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Ido Yariv authored
While wl1271_irq_work handles RX directly (by calling wl1271_rx), a different work is scheduled for transmitting packets. The IRQ work might handle more than one interrupt during a single call, including multiple TX completion interrupts. This might starve TX, since no packets are transmitted until all interrupts are handled. Fix this by calling the TX work function directly, instead of deferring it. Signed-off-by:
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Ido Yariv authored
In case the aggregation buffer is too small to hold all available packets, the buffer is transferred to the FW and no more packets are aggregated. Although there may be enough available TX blocks, no additional packets will be handled by the current TX work. Fix this by flushing the aggregation buffer when it's full, and continue transferring packets as long as there are enough available TX blocks. Signed-off-by:
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Gery Kahn authored
Cosmetic cleanup for ref_clock code while configured by board. Signed-off-by:
Gery Kahn <geryk@ti.com> Signed-off-by:
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Wey-Yi Guy authored
For 130 series device, 6000g2b uCode will be used, no need to have additional defines for 130 devices, so remove those. Signed-off-by:
Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by:
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Wey-Yi Guy authored
Adding description to Kconfig to indicate more devices are being supported by iwlagn Signed-off-by:
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Wey-Yi Guy authored
While BT is on and doing iscan and/or pscan, BT is in listen mode which will impact WiFi throughput, we need to enable dynamic smps in order to improve the rx throughput. Signed-off-by:
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Johannes Berg authored
Implement switching the interface while an interface is up in iwlwifi. Interfaces have to stay on the context they were created on. Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Johannes Berg authored
My previous patch to clean up all RXON handling inadvertently broke IBSS because it failed to take into account that unlike in AP mode, IBSS requires beacons to be sent only after setting the RXON assoc. Fix this, clean up the code a bit, improve the error checking around this, and also react to beacon changes in IBSS mode from mac80211. Signed-off-by:
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Johannes Berg authored
In order to simplify the flow, and make new enhancements easier, separate out the RXON processing for modern AGN (5000 and newer) from RXON processing for the older 3945 and 4965 devices. Avoid changing these old ones to avoid regressions and move their code to a new file (iwl-legacy.c). 4965 gets the commit_rxon that used to be common for all AGN devices, but with removed PAN support. The new RXON processing is more central and does more work in committing, so that it is easier to follow. To make it more evident what is split out for legacy, split the necessary operations for that into a new struct iwl_legacy_ops. Those parts that still exist in the new AGN code don't need to be parametrized. Signed-off-by:
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Johannes Berg authored
Resending RXON timing here caused issues with dual-mode under certain circumstances, so avoid doing it here right now. This effectively reverts b01efe43 and partially 2491fa42. The next patch will make all this cleaner for just the devices that need it. Signed-off-by:
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Johannes Berg authored
In the future, 4965 and modern AGN devices will need to have different mac80211 callbacks since they have different capabilities. Prepare for that by making the mac80211 operations a device config. Signed-off-by:
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Eliad Peller authored
refactor mac80211 debugfs code by using a format© function, instead of duplicating the code for each generated function. this change reduces about 600B from mac80211.ko Signed-off-by:
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Luis R. Rodriguez authored
This helps align resets / RX enable & disable / TX stop / start. Locking around the PCU is important to ensure the hardware doesn't get stale data when working with DMA'able data. This is part of a series of patches which fix stopping TX DMA completley when requested on the driver. For more details about this issue refer to this thread: http://marc.info/?l=linux-wireless&m=128629803703756&w=2Tested-by:
Ben Greear <greearb@candelatech.com> Cc: Kyungwan Nam <kyungwan.nam@atheros.com> Cc: stable@kernel.org Signed-off-by:
Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by:
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Luis R. Rodriguez authored
The PCU lock should be used to contend TX DMA as well, this will be done next. This is part of a series of patches which fix stopping TX DMA completley when requested on the driver. For more details about this issue refer to this thread: http://marc.info/?l=linux-wireless&m=128629803703756&w=2Tested-by:
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