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path: root/drivers/net/wireless/rt2x00
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* rt2x00: Move duplicate code into rt2x00pci_txdone()Ivo van Doorn2008-01-285-58/+38
| | | | | | | | | | | | rt2400pci, rt2500pci and rt61 require different txdone handling, but the code that pushes the frame upstream and cleans up the entry is identical to all of them. This will create the function rt2x00pci_txdone() to remove the duplicate code. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: Release rt2x00 2.0.12Ivo van Doorn2008-01-281-1/+1
| | | | | | | | Version bump. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Correctly set ACK bit in tx descriptorsMattias Nissler2008-01-287-6/+16
| | | | | | | | | | | | Add a flag to struct txdata_entry_desc that specifies whether an ack for the frame is to be expected. Use this flag to set the ACK bit in the tx descriptor. Previously, the ACK bit could be set incorrectly on CTS-to-self frames, so they caused retries and were reported to be failed in the txdone handlers. Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Place mutex around USB register accessAdam Baker2008-01-285-16/+131
| | | | | | | | | | | | | | | | There is a buffer, csr_cache which is used to hold copies of data being passed to the USB stack which can get corrupted if multiple threads attempt to access CSR registers simultaneously. There is also the possibility if multiple threads try to access BBP or RF registers for the multiple USB operations needed to get interleaved leading to incorrect results. This patch introduces a mutex to prevent such simultaneous access. The interleaved access problem may also affect the PCI devices but if so that will be handled in a follow-up patch. Signed-off-by: Adam Baker <linux@baker-net.org.uk> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Remove data_desc structureIvo van Doorn2008-01-2815-59/+44
| | | | | | | | | | Coverty indicated that data_desc with a single element array is bad coding style. This removes the structure and forces everybody to use __le32. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Rework rt73 antenna selectionMattias Nissler2008-01-282-55/+33
| | | | | | | | | | This patch changes rt73 antenna selection to what I believe is the correct way. It also fixes a small selection bug that switched the antennas by accident. Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Remove unused variablesIvo van Doorn2008-01-281-2/+0
| | | | | | | | | With the updated antenna setup the following variables are no longer used. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Rework rt61 antenna selection.Mattias Nissler2008-01-282-107/+46
| | | | | | | | | | | | This patch changes rt61 antenna selection again. It helps at least with the rt61 pci card in my box, I hope I haven't broken behaviour on other RF chips. RF 2529 antenna setup is incomplete, we need to at code for diversity when we figure out how it is done properly. Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Unconstify rt2x00devAdam Baker2008-01-2810-62/+57
| | | | | | | | | | Some register accesses need rt2x00dev to be non-const they all need modifying so the prototype is consistent. Signed-off-by: Adam Baker <linux@baker-net.org.uk> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Detect initial rfkill state on registerIvo van Doorn2008-01-281-1/+8
| | | | | | | | | | When registering rfkill, make sure a initial poll event is directly executed to detect the initial rfkill state and send the event to the rfkill layer. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Input-polldev requires input deviceIvo van Doorn2008-01-281-4/+31
| | | | | | | | | | | | input-polldev requires a correctly allocated and initialized input device to be set for the input_polled_dev->input field. Failure to do that will prevent correct polling of the device. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Split rt61/rt73 antenna selection into RX and TX antennaIvo van Doorn2008-01-284-88/+189
| | | | | | | | | | | | | | | | Based on investigation of the legacy drivers, I have made the following assumptions of the antenna setup: - R77 is the TX antenna configuration - RF2529 fetches default antenna selection from NIC eeprom word With these assumptions we can change the antenna configuration to correctly read both antenna setup values and correctly configure the antenna. And we can now also configure the antenna for RF2529 without a double antenna. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Disable RX when switching antennaIvo van Doorn2008-01-281-0/+10
| | | | | | | | | | Antenna switching will be ignored when RX is enabled during the switch. Make sure we disable the RX during the switch and don't forget to reenable it later. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] rt2x00: Release rt2x00 2.0.11Ivo van Doorn2008-01-281-1/+1
| | | | | | | | Version bump. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] rt2x00: Fix antenna selection.Mattias Nissler2008-01-281-4/+14
| | | | | | | | | | | In the config() handler, make sure that we do configure an antenna if the current active antenna is uninitialized. Furthermore, don't overwrite the active antenna with bogus values if we didn't touch the antenna setup. Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] rt2x00: Cleanup if-statementsIvo van Doorn2008-01-287-98/+83
| | | | | | | | | | | | Cleanup if-statements for simple 1/0 register field values. This also fixes a endian bug in rt2500usb when working with the PHY_CSR2 initialization. As well as a bug in the enabling of the LED in rt73usb. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] rt2x00: Implement SW diversityIvo van Doorn2008-01-284-21/+232
| | | | | | | | | | | | | | | When mac80211 indicates that the default antenna setup should be used _and_ that this default setup is SW_DIVERSITY. This requires sampling and storing the RSSI per antenna and check once every 2 seconds to determine if the RSSI has changed significantly. Once this is the case we should sample the other antenna for a short period and evaluate if we need to swap antenna or not. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] rt2x00: Remove rt2x00_clear_linkIvo van Doorn2008-01-282-16/+18
| | | | | | | | | | | rt2x00_clear_link() was becoming too large for statically inline, also it was used on a single location and shouldn't really be used anywhere else. So move the entire code into the function rt2x00lib_start_link_tuner() Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] rt2x00: SW diversity should default to antenna BIvo van Doorn2008-01-285-18/+72
| | | | | | | | | | | Although ANTENNA_SW_DIVERSITY should never be send to the driver, we should still handle it to prevent bugs. But instead of defaulting to ANTENNA_HW_DIVERSITY we should default to ANTENNA_B instead. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] rt2x00: Correctly translate mac80211 antenna setup to rt2x00Ivo van Doorn2008-01-288-59/+137
| | | | | | | | | | | | | | | | | | | | | mac80211 has 3 values for the antenna setup: 0 - default 1 - use antenna 1 2 - use antenna 2 This means that rt2x00 should store the default value from the EEPROM somwhere and use that when mac80211 indicates that the antenna setup is 0. This also implies that rt2x00 should no longer write the hw->config.antenna_sel_* values based on the EEPROM input. This also adds the basis in rt2x00lib for correct software diversity handling. By default rt2x00lib will now configure antenna B instead of hardware diversity. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] rt2x00: Use enum definesIvo van Doorn2008-01-284-10/+20
| | | | | | | | | When setting the default EEPROM values use the values from the enums instead of "magic" values. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] rt2x00: Move quality statistics into seperate structureIvo van Doorn2008-01-287-74/+92
| | | | | | | | | | | Move all link quality statistics variables into the link_qual structure. This cleans up the link structure and allows us to use it for more then just statistics. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* rt2x00: Fix ieee80211 payload alignmentIvo van Doorn2008-01-162-3/+10
| | | | | | | | | | | | | | | As Johannes Berg indicated, the NET_IP_ALIGN doesn't need to be used for ieee80211 frames. This means we can simplify the alignment calculation to just use the result of the header size modulus 4 as frame alignment. Furthermore we shouldn't use NET_IP_ALIGN in rt2x00usb because it could be 0 on some architectures and we absolutely need to have 2 bytes reserved for possible aligning. Signed-off-by: Ivo van Doorn<IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: Put 802.11 data on 4 byte boundaryIvo van Doorn2008-01-102-6/+31
| | | | | | | | | Check the size of the ieee80211 header during rxdone and make sure the data behind the ieee80211 header is placed on a 4 byte boundary. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: Corectly initialize rt2500usb MACIvo van Doorn2008-01-101-1/+1
| | | | | | | | mac is a pointer, obviously we shouldn't use the address of a pointer as MAC address. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: Allow rt61 to catch up after a missing tx reportMattias Nissler2008-01-101-0/+12
| | | | | | | | | | | | Sometimes it happens in the tx path that an entry given to the hardware isn't reported in the txdone handler. This ultimately led to the dreaded "non-free entry in the non-full queue" message and the stopping of the tx queue. Work around this issue by allowing the driver to also clear out previos entries in the txdone handler. Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: Request usb_maxpacket() onceIvo van Doorn2007-11-184-10/+17
| | | | | | | | | | | | The usb max packet size won't change during the device's presence. We should store it in a variable inside rt2x00dev and use that. This should also fix a division error when the device is being hot-unplugged while a frame is being send out. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'fixes-davem' of ↵David S. Miller2007-11-144-8/+10
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
| * rt2x00: Fix chipset revision validationIvo van Doorn2007-11-144-8/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The validation of the chipset revision was broken since for rt2500usb and rt73usb different registers should be read. When rt2500usb was loaded for a rt73 device it would false think the chipset was correct because the wrong register was read and validated. This has been fixed by expanding the check to also see if the first 4 bits of the revision is not-0 (When reading the wrong register offset the returned value is usually 0 which can be interpreted as invalid) Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | rt2x00: Block adhoc & master modeIvo van Doorn2007-11-101-0/+8
|/ | | | | | | | | | rt2x00 is broken when it comes down to adhoc and master mode. The main problem is the beaconing, which is completely failing. Untill a solution has been found, both beacon requiring modes must be disabled to prevent numerous bug reports. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: jiffies_round -> jiffies_round_relativeAnton Blanchard2007-10-251-1/+1
| | | | | | | When rounding a relative timeout we need to use round_jiffies_relative(). Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Add new rt73usb USB IDIvo van Doorn2007-10-181-0/+1
| | | | | Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Fix residual check in PLCP calculations.Mattias Nissler2007-10-181-1/+1
| | | | | | | | | | | Because rt2x00 implements the residual calculation different from what the legacy code does (i.e. scaled values), we need to adjust the residual check. Again, we are only mimicking the behaviour of the ralink driver without actually knowing what we do :-( Signed-off-by: Mattias Nissler <mattias.nissler@gmx.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Release 2.0.10Ivo van Doorn2007-10-101-1/+1
| | | | | | | Version bump Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Allways memset memory obtained from skb_push()Ivo van Doorn2007-10-103-0/+6
| | | | | | | | | When skb_push() is used we should memset the memory before usage. This will prevent bugs which could occur when the data is treated as TX descriptor. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Clean disabling of rt73usb_get_tsfIvo van Doorn2007-10-101-5/+2
| | | | | | | | | | | By defining rt73usb_get_tsf to NULL we only have 1 location that needs to be edited when rt73usb_get_tsf can be enabled again. This also reduces the number of #ifdefs in the code which is also a "good thing" Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Reorganize configuration handlerIvo van Doorn2007-10-109-377/+358
| | | | | | | | | | | | | | | | | | Reorganize configuration handling by creating a extra structure which contains precalculated values based on the mac80211 values which are usefull for all individual drivers. This also fixes the preamble configuration problem, up untill now preamble was never configured since by default the rate->val value was used when changing the mode. Now rate->val will only be used to set the basic rate mask. The preamble configuration will now be done correctly through the erp_ie_changed callback function. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Small optimizationsIvo van Doorn2007-10-103-18/+13
| | | | | | | | Make some small optimizations by removing some simple if-statements. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Pass dev_state to rt2x00lib_toggle_rxIvo van Doorn2007-10-103-10/+9
| | | | | | | | | Directly pass a value from the enum dev_state with rt2x00lib_toggle_rx, this will save us a ? : statement, and it is clearer then passing a 1 0 argument. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Add get_tx_data_len callback functionIvo van Doorn2007-10-104-23/+56
| | | | | | | | | | | The TX datalen must always be converted to a value rt73 and rt2500usb understand. Both require to use a different size then skb->len. First off this is required because the descriptor must be added, but the second is because the value must be a multiple of either 2 or 4, and it should not be a multiple of the USB packetmax Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Cut lines down to 80 charactersIvo van Doorn2007-10-101-1/+2
| | | | | | | | rt61pci contained 1 line of 88 characters width, this needs to be cut down. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: get_duration expects values in 100kbsIvo van Doorn2007-10-103-3/+3
| | | | | | | | get_duration expects all speeds to be passed in 100kbs, this means that passing 2 is incorrect and should be raised to 20 Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Move TSF sync values into rt2x00configIvo van Doorn2007-10-109-51/+45
| | | | | | | | | All drivers use the same values for TSF sync, this will move the value determination into rt2x00config.c, and the definition for the values to rt2x00reg.h Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Fix rfkill handlingIvo van Doorn2007-10-107-19/+18
| | | | | | | | | | | | | | | | | | | | | | As reported by Modestas Vainius, enabling rkfill in 1 driver and disabling it in a second could cause a NULL pointer exception when the rfkill-disabled driver still sets the CONFIG_SUPPORT_HW_BUTTON flag. Furthermore, rfkill expects the timeout as a value in milliseconds instead of jiffies. Also increase the timeout to a second, since this 250ms would be overkill. Also the flag DEVICE_ENABLED_RADIO_HW is causing problems for devices which do not support the hardware button while rfkill is enabled in the driver. To remidy this we should inverse the flag and its meaning, rename the flag to DEVICE_DISABLED_RADIO_HW this means that by default the radio is enabled by the hardware button (if present) and can only be disabled explicitely. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Don't use changed_flags inside configure_packet_filterIvo van Doorn2007-10-107-15/+20
| | | | | | | | | | | | | | We shouldn't use changed_flags when configuring the packet filter, we work directly with the total_flags which is safe enough since we already check if something has changed after we applied our packet filtering flag rules. Also make sure that when the packet filter is scheduled, the rt2x00dev->interface.filter is cleared to make sure the drivers will update the packet filter instead of failing at the check: *total_flags == rt2x00dev->interface.filter Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Move rt2x00dev flags into enumerationIvo van Doorn2007-10-101-16/+33
| | | | | | | | | | By putting the flags into a enumeration we can make it easier maintable since we don't have to assign numbers for each flag. This makes it easier to insert and remove flags. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Store "STARTED" state during suspendIvo van Doorn2007-10-102-3/+5
| | | | | | | | | | Store the started state into a new flag DEVICE_STARTED_SUSPEND and set this when suspending while the device was started. We can't check for is_interface_present() since only mac80211 knows if there are monitor interfaces present. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Remove radio check from rt2x00lib_toggle_rxIvo van Doorn2007-10-101-3/+0
| | | | | | | | | | | Don't check if the radio is enabled in rt2x00lib_toggle_rx, this is required since the link tuner should be disabled when shutting down the device. The remaining calls inside the rt2x00lib_toggle_rx handler should deliver no problems when called while the radio is done. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] rt2x00: Remove duplicate code in MAC & BSSID handlingIvo van Doorn2007-10-107-118/+76
| | | | | | | | | The various drivers contained duplicate code to handle the MAC and BSSID initialization correctly. This moves the address copy to little endian variables to rt2x00config. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [MAC80211]: add "invalid" interface typeJohannes Berg2007-10-101-1/+1
| | | | | | | | | | | Since I cannot convince the lazy driver authors (hello Michael) to stop (ab)using the MGMT interface type internally in their drivers, this patch introduces a new _INVALID type especially for their use and changes all affected drivers to use it. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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