- 04 Jan, 2012 40 commits
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Yogesh Ashok Powar authored
In case of firmware crash, reload the firmware and reconfigure it by triggering ieee80211_hw_restart; mac80211 utility function. V2 Addressed following comments from Lennert: - Stop the queues during reload - Removed atomic_t declaration for hw_restart - Extend the firmware reload support for sta firmware as well - Other misc changes Signed-off-by:
Nishant Sarmukadam <nishants@marvell.com> Signed-off-by:
Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Yogesh Ashok Powar authored
Ideally, hardware/firmware initialization is complete after the drv_start routine. In mac80211 restart code (ieee80211_reconfig), defer calling the driver commands i.e. setup fragmentation threshold, rts threshold and coverage class till drv_start routine is called. Signed-off-by:
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Mohammed Shafi Shajakhan authored
for EDMA chip AR_Q_TXE (tx enable for each queue) is read only Signed-off-by:
Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by:
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Gertjan van Wingerde authored
According to the latest Ralink vendor drivers, this seems to be the real RF chipset type. Signed-off-by:
Gertjan van Wingerde <gwingerde@gmail.com> Acked-by:
Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by:
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Gertjan van Wingerde authored
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Jakub Kiciński authored
When USB driver requires padding at the end of frame or URB it will report this need by increasing return value of get_tx_data_len callback. Common USB code uses that return value as desired URB length. Ensure that appropriate part of skb's tailroom exists and is zeroed. Signed-off-by:
Jakub Kicinski <kubakici@wp.pl> Acked-by:
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Jakub Kiciński authored
Older USB drivers does not append end padding to skb but instead report it in size of data to be transmitted to HW. rt2800usb should follow that behaviour. Custom write_tx_data callback which was adding pad to skb is not be needed any more. Thanks to this patch frames handed back from rt2800usb to mac80211 will no longer contain end padding. Signed-off-by:
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Gertjan van Wingerde authored
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Gertjan van Wingerde authored
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Gertjan van Wingerde authored
According to the latest USB ID database these are all RT2770 / RT2870 / RT307x devices. Signed-off-by:
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Christian Lamparter authored
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Christian Lamparter <chunkeey@googlemail.com> Signed-off-by:
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Larry Finger authored
Testing on the openSUSE wireless forum has shown that a Linksys WUSB54GC v3 with USB ID 1737:0077 works with rt2800usb when the ID is written to /sys/.../new_id. This ID can therefore be moved out of UNKNOWN. Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> Acked-by:
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Mohammed Shafi Shajakhan authored
this is being recently introduced by the commit a85e1d55 Cc: Paul Stewart <pstew@google.com> Signed-off-by:
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Stanislav Yakovlev authored
Removes reset_port since it isn't used anywhere as suggested by Johannes Berg. Signed-off-by:
Stanislav Yakovlev <stas.yakovlev@gmail.com> Signed-off-by:
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Mohammed Shafi Shajakhan authored
kernel panic occurs when we create an IBSS mode and leave it for sometime without any joiner and this is introduced by the commit ec2b774e where we don't put proper braces for 'list_for_each_entry_safe' and we pass an invalid 'sta' pointer to __sta_info_destroy EIP is at __list_add+0xe/0xa0 EAX: f3b63db4 EBX: 00000000 ECX: eab88c1c EDX: 00000000 ESI: 00000000 EDI: 00000246 EBP: f3b63d80 ESP: f3b63d58 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Process kworker/u:2 (pid: 198, ti=f3b62000 task=f3afbea0 task.ti=f3b62000) Stack: 00000000 00000000 f9ef9821 00000000 00000000 eab88c30 f3b63d80 c017f623 eab88bf0 eab88bf0 f3b63dd0 c066f925 00000000 00000002 00000000 f9ef9821 f3b63da0 c0180a2b eab88c1c eab88c30 00000002 f3afbea0 eab88bf4 f3b63db4 Call Trace: [<f9ef9821>] ? __ieee80211_stop_tx_ba_session+0x31/0x60 [mac80211] [<c017f623>] ? debug_mutex_add_waiter+0x23/0x60 [<c066f925>] __mutex_lock_common+0xd5/0x390 [<f9ef9821>] ? __ieee80211_stop_tx_ba_session+0x31/0x60 [mac80211] [<c0180a2b>] ? trace_hardirqs_off+0xb/0x10 [<c066fd37>] mutex_lock_nested+0x47/0x60 [<f9ef9821>] ? __ieee80211_stop_tx_ba_session+0x31/0x60 [mac80211] [<f9ef9821>] __ieee80211_stop_tx_ba_session+0x31/0x60 [mac80211] [<f9ef8989>] ieee80211_sta_tear_down_BA_sessions+0x39/0x60 [mac80211] [<f9ef1a67>] __sta_info_destroy+0x57/0x780 [mac80211] [<f9ef2223>] ieee80211_sta_expire+0x93/0xb0 [mac80211] [<f9efc8f6>] ieee80211_ibss_work+0x2d6/0x530 [mac80211] Cc: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by:
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Mohammed Shafi Shajakhan authored
when we run high bandwidth UDP traffic and we trigger a scan, the scan state machine seems to be looping in SUSPEND->RESUME->DECISION->SUSPEND and SET_CHANNEL seems to be never called as 'tx_empty' is never true while running UDP traffic. fix this by settting SET_CHANNEL state when we get into RESUME state. Cc: Leela Kella <leela@qca.qualcomm.com> Signed-off-by:
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Julia Lawall authored
Error handling code following a kmalloc should free the allocated data. The label fail_alloc already does this for rfkill. A simplified version of the semantic match that finds the problem is as follows: (http://coccinelle.lip6.fr) // <smpl> @r exists@ local idexpression x; statement S; identifier f1; position p1,p2; expression *ptr != NULL; @@ x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...x...+> } x->f1 ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Signed-off-by:
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Rajkumar Manoharan authored
AR9003 chips read tx status from ring buffer whose max number of status descriptor is mininal compared to max number of tx buffers. On a stress condition, it can be easily overflown which might cause false tx hung detection. Though increasing number of max status descriptors consumes more memory, it helps to avoid false positive chip resets. Cc: Paul Stewart <pstew@google.com> Signed-off-by:
Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by:
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Stanislaw Gruszka authored
Patch fix firmware error on "iw dev wlan0 scan passive" for hardware scanning (with disable_hw_scan=0 module parameter). iwl3945 0000:03:00.0: Microcode SW error detected. Restarting 0x82000008. iwl3945 0000:03:00.0: Loaded firmware version: 15.32.2.9 iwl3945 0000:03:00.0: Start IWL Error Log Dump: iwl3945 0000:03:00.0: Status: 0x0002A2E4, count: 1 iwl3945 0000:03:00.0: Desc Time asrtPC blink2 ilink1 nmiPC Line iwl3945 0000:03:00.0: SYSASSERT (0x5) 0041263900 0x13756 0x0031C 0x00000 764 iwl3945 0000:03:00.0: Error Reply type 0x000002FC cmd C_SCAN (0x80) seq 0x443E ser 0x00340000 iwl3945 0000:03:00.0: Command C_SCAN failed: FW Error iwl3945 0000:03:00.0: Can't stop Rx DMA. We have disable ability to change passive scanning to active on particular channel when traffic is detected on that channel. Otherwise firmware will report error, when we try to do passive scan on radar channels. Reported-and-debugged-by:
Pedro Francisco <pedrogfrancisco@gmail.com> Signed-off-by:
Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by:
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Stanislaw Gruszka authored
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Stanislaw Gruszka authored
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Stanislaw Gruszka authored
We have two such functions. Signed-off-by:
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Stanislaw Gruszka authored
Remove these helpers, some are not unused at all, one can be unrolled in place of use. Signed-off-by:
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Stanislaw Gruszka authored
Get rid of two inline functions related and simplify a bit rts_retry_limit calculations. Signed-off-by:
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Stanislaw Gruszka authored
Make function static and change antenna number inline. Signed-off-by:
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Stanislaw Gruszka authored
This save us about 20k of text size, and should have no impact on performance as hot paths do not use much I/O. Before: text data bss dec hex filename 108512 1784 168 110464 1af80 drivers/net/wireless/iwlegacy/iwl3945.ko 165730 2164 156 168050 29072 drivers/net/wireless/iwlegacy/iwl4965.ko 91942 328 48 92318 1689e drivers/net/wireless/iwlegacy/iwlegacy.ko After: text data bss dec hex filename 95556 1784 168 97508 17ce4 drivers/net/wireless/iwlegacy/iwl3945.ko 154853 2164 156 157173 265f5 drivers/net/wireless/iwlegacy/iwl4965.ko 91634 328 48 92010 1676a drivers/net/wireless/iwlegacy/iwlegacy.ko Signed-off-by:
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Dan Carpenter authored
We use "rate_index" like this: rate = iwl3945_rates[rate_index].plcp; The iwl3945_rates[] array has IWL_RATE_COUNT_3945 elements so the limit here is off by one. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Stanislaw Gruszka authored
I forgot to remove this file before. Signed-off-by:
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Eliad Peller authored
If the vif is stopped while it is offchannel (e.g. right after p2p negotiation) the SDATA_STATE_OFFCHANNEL flag is never get cleared, resulting in various bad effects (e.g. GO can't start beaconing). Fix it by clearing the SDATA_STATE_OFFCHANNEL flag even if the vif is stopped. Signed-off-by:
Eliad Peller <eliad@wizery.com> Signed-off-by:
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Dave Täht authored
Wireless will select a different hardware queue based on the top 3 bits of the diffserv field, for ipv4. Extend that queue selection mechanism to ipv6, and make the calls orthogonal. Signed-off-by:
Dave Täht <dave.taht@bufferbloat.net> Signed-off-by:
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Ilan Elias authored
The nfcid1 is the NFC-A identifier. It is exported as an attribute of the target info (returned as a response to NFC_CMD_GET_TARGET). Signed-off-by:
Ilan Elias <ilane@ti.com> Acked-by:
Samuel Ortiz <sameo@linux.intel.com> Signed-off-by:
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Helmut Schaa authored
This is just a cosmetical fix since we only return survey data for the active channel but it allows iw to show that the survey data is for the currently used channel. Signed-off-by:
Helmut Schaa <helmut.schaa@googlemail.com> Acked-by:
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Larry Finger authored
This patch addresses a bug in the dma worker code that keeps draining packets even when the hardware queues are full. In such cases packets can not be passed down to the device and are erroneusly dropped by the code. It is based on commit bad69194, which fixes the same problem in b43. Signed-off-by:
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Rafał Miłecki authored
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Rafał Miłecki <zajec5@gmail.com> Signed-off-by:
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Rafał Miłecki authored
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Rafał Miłecki authored
Specs were updated, now we match wl according to MMIO dumps. Signed-off-by:
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Rafał Miłecki authored
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Luis R. Rodriguez authored
This fixes this sparse warning: CHECK drivers/net/wireless/ath/ath9k/mci.c drivers/net/wireless/ath/ath9k/mci.c:23:4: warning: symbol 'ath_mci_duty_cycle' was not declared. Should it be static? Signed-off-by:
Luis R. Rodriguez <mcgrof@qca.qualcomm.com> Signed-off-by:
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Djalal Harouni authored
Replace dma_alloc_coherent()+memset() with the new dma_zalloc_coherent() Signed-off-by:
Djalal Harouni <tixxdz@opendz.org> Signed-off-by:
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Rafał Miłecki authored
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