linux/drivers/net/wireless/iwlwifi
Trieu 'Andrew' Nguyen 1db5950f1d iwlwifi: Monitor and recover the aggregation TX flow failure
This change monitors the tx statistics to detect the drop in throughput.
When the throughput drops, the ratio of the actual_ack_count and the expected_
ack_count also drops.  At the same time, the aggregated ba_timeout (the number
of ba timeout retries) also rises.  If the actual_ack_count/expected_ack_count
ratio is 0 and the number of ba timeout retries rises to 16, no tx packets
(tcp, udp, or ping - icmp) can be delivered.  The driver recovers from this
situation by reseting the uCode firmware.  If the actual_ack_count/expected_
ack_count ratio drops below 50% (but not 0) and the aggregated ba_timeout
retries just exceed 5 (but not 16), then the driver can reset the radio to
bring the throughput up.

Signed-off-by: Trieu 'Andrew' Nguyen <trieux.t.nguyen@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-02-11 10:27:41 -08:00
..
iwl3945-base.c iwlwifi: use dma_alloc_coherent 2010-02-11 10:27:18 -08:00
iwl-1000.c iwlwifi: Adjusting PLCP error threshold for 1000 NIC 2010-02-11 10:27:05 -08:00
iwl-3945-fh.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-3945-hw.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-3945-led.c iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-3945-led.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-3945-rs.c iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-3945.c iwlwifi: use dma_alloc_coherent 2010-02-11 10:27:18 -08:00
iwl-3945.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-4965-hw.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-4965.c iwlwifi: clear all the stop_queue flag after load firmware 2010-02-11 10:27:30 -08:00
iwl-5000-hw.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-5000.c iwlwifi: clear all the stop_queue flag after load firmware 2010-02-11 10:27:30 -08:00
iwl-6000-hw.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-6000.c iwlwifi: Add chain_noise support for 6050 2010-02-08 16:50:58 -05:00
iwl-agn-led.c iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-agn-led.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-agn-rs.c iwlwifi: check for aggregation frame and queue 2010-02-11 10:26:10 -08:00
iwl-agn-rs.h iwlwifi: fix typo in IWL_CCK_RATES_MASK 2010-01-29 11:13:58 -08:00
iwl-agn.c iwlwifi: Monitor and recover the aggregation TX flow failure 2010-02-11 10:27:41 -08:00
iwl-calib.c iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-calib.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-commands.h iwlwifi: remove unused op-code in PHY Calibration command 2010-02-11 10:26:21 -08:00
iwl-core.c iwlwifi: use dma_alloc_coherent 2010-02-11 10:27:18 -08:00
iwl-core.h iwlwifi: cleanup return values 2010-02-11 10:26:31 -08:00
iwl-csr.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-debug.h iwlwifi: clean up debugfs code 2010-01-25 16:36:24 -05:00
iwl-debugfs.c iwlwifi: add debug function to reset/reload radio/firmware 2010-02-11 10:25:55 -08:00
iwl-dev.h iwlwifi: Monitor and recover the aggregation TX flow failure 2010-02-11 10:27:41 -08:00
iwl-devtrace.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2010-01-19 15:58:41 -05:00
iwl-devtrace.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2010-01-19 15:58:41 -05:00
iwl-eeprom.c iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-eeprom.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-fh.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-hcmd.c iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-helpers.h iwlwifi: use dma_alloc_coherent 2010-02-11 10:27:18 -08:00
iwl-io.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-led.c iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-led.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-power.c iwlwifi: iwl_power_update_mode always hold mutex 2010-01-29 11:13:59 -08:00
iwl-power.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-prph.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-rx.c iwlwifi: Monitor and recover the aggregation TX flow failure 2010-02-11 10:27:41 -08:00
iwl-scan.c iwlwifi: fix scan race 2010-02-11 10:26:40 -08:00
iwl-spectrum.h iwlwifi: update copyright year to 2010 2010-01-19 16:25:15 -05:00
iwl-sta.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2010-02-08 16:38:38 -05:00
iwl-sta.h iwlwifi: make broadcast station addition generic 2010-01-25 16:36:22 -05:00
iwl-tx.c iwlwifi: use dma_alloc_coherent 2010-02-11 10:27:18 -08:00
Kconfig iwlwifi: cleanup spectrum measurement command support 2010-01-25 16:36:26 -05:00
Makefile iwlwifi: cleanup spectrum measurement command support 2010-01-25 16:36:26 -05:00