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* libertas: clean up is_command_allowed_in_ps()Dan Williams2008-01-28
| | | | | | | | Total overkill to have an array when there's only one command in it. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: remove pre_open_check()David Woodhouse2008-01-28
| | | | | | | | | | | The firmware is always initialised before we register the netdevices. It's not possible for pre_open_check() to fail. One day we might try loading firmware in ->open(), but still it won't be just a _check_, like this. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: make lbs_cmd() usage nicerDan Williams2008-01-28
| | | | | | | | | | Define a macro that relieves the caller from having to use sizeof on the command structure when calling lbs_cmd(), and move the prototype of __lbs_cmd() to a new cmd.h file. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: clean up lbs_interrupt()David Woodhouse2008-01-28
| | | | | | | | | | | | | Make it take struct lbs_private as argument; that's all it wants anyway, and all callers were starting off from that. Don't wake the netif queues, because those should be handled elsewhere. And sort out the locking, with a big nasty warning for those who don't have the driver_lock locked when they call it. Oh, and fix if_cs.c to lock the driver_lock before calling it. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: add opaque extra argument to cmd callback functionDavid Woodhouse2008-01-28
| | | | | | | | This will be useful for letting callbacks do stuff like copying the response into a buffer provided by the caller of lbs_cmd() Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: fix use-after-free errorHolger Schurig2008-01-28
| | | | | | | | Previously, the display of subscribed events could be wrong. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: kill (IS,SET,UNSET)_MESH_FRAME.David Woodhouse2008-01-28
| | | | | | | | No need for these any more. We've collapsed all the unneeded nests of functions which needed to keep track of which device the skb belonged to. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: kill lbs_upload_tx_packet()David Woodhouse2008-01-28
| | | | | | | | | It replaces two lines of code. And even for those it has to make inferences about things (i.e. which device) which the caller would have just known. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: fix error cases in lbs_process_rxed_802_11_packet()David Woodhouse2008-01-28
| | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: remove unreachable code from process_rxed_802_11_packet()David Woodhouse2008-01-28
| | | | | | | | The function is only ever called if we're in rtap mode. So the bit in it which is conditional on rtap mode seems a little superfluous. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Move actual transmission to main threadDavid Woodhouse2008-01-28
| | | | | | | | The locking issues with TX, especially TX from multiple netdevs, get _so_ much easier if you do it like this. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: refactor the 'should I sleep?' decision in lbs_thread()David Woodhouse2008-01-28
| | | | | | | This was making my brain hurt. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: free successfully transmitted skbs againDavid Woodhouse2008-01-28
| | | | | | | | I was so busy cleaning up the failure modes that I accidentally forgot to make sure we still free them in the success case. Oops. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: TX packet is radiotap iff it comes from rtap_devDavid Woodhouse2008-01-28
| | | | | | | | | | | Fix one of the barriers to simultaneous radiotap and normal operation -- stop misinterpreting the TX packets on the normal devices. We're also going to have to clone the incoming skbs and feed them into both devices, and there seem to be firmware problems with staying associated too. But this is a reasonable start... Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: set dev_addr on rtap deviceDavid Woodhouse2008-01-28
| | | | | | | | This lets us bring it up, because eth_validate_addr() succeeds instead of returning -EINVAL. And finally monitor mode seems to (mostly) work. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: stop using ieee80211 for radiotap deviceDavid Woodhouse2008-01-28
| | | | | | | | | There seems to be no point in doing it as an ieee80211 device instead of a normal netdev, and when we override its ->priv and then call free_ieee80211() it has a distressing tendency to crash horribly. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: kill lbs_pre_start_xmit(), lib_mesh_pre_start_xmit()David Woodhouse2008-01-28
| | | | | | | | | | | | | | | These wrappers only do two things. Firstly, they set the frame type, which isn't necessary since lbs_hard_start_xmit() gets to see which device it belongs to anyway. Secondly, they return -EOPNOTSUPP if the device is in monitor mode. Which is a strange thing to do and will provide nasty warnings from qdisc_restart(). And lbs_hard_start_xmit() seems to have code to cope with monitor mode anyway. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: clean up lbs_hard_start_xmit()David Woodhouse2008-01-28
| | | | | | | | | Having merged the nest of functions into one, now we can clean it up and fix the error handling, and the duplication -- and at least make a start on the locking. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: kill lbs_process_tx() by merging it into lbs_hard_start_xmit()David Woodhouse2008-01-28
| | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: move lbs_hard_start_xmit() into tx.cDavid Woodhouse2008-01-28
| | | | | | | ... where it can shortly be merged with lbs_process_tx()... Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: kill SendSinglePacket() function.David Woodhouse2008-01-28
| | | | | | | | | | Make a start on reducing the number of pointless nested functions, starting with the StudlyCaps. No semantic changes (yet) -- we can sort out the now-obvious discrepancy in the failure paths in a separate commit. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: kill internal tx queue for PS modeDavid Woodhouse2008-01-28
| | | | | | | | | | | | | It was buggy as hell anyway, since it was just spewing packets at the device when it wasn't necessarily ready for them (in the USB case, while the URB was still busy). We could probably do with a better way of flushing packets to the device _immediately_, before we stick it back into sleep mode. But we can no longer just dequeue packets directly, it seems. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: stop debugfs code looking at cmdpendingqDavid Woodhouse2008-01-28
| | | | | | | | | | | It doesn't need to wait until no commands are pending anyway -- it only needs to wait until the scan is finished. We can hopefully find it something else to wait on too -- it's the only user of the cmd_pending waitqueue. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: cope with device which already has firmware loadedDavid Woodhouse2008-01-28
| | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: use lbs_host_to_card_done() in lbs_tx_timeout()David Woodhouse2008-01-28
| | | | | | | Also attempt some locking in lbs_host_to_card_done() Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: kill struct lbs_adapterDavid Woodhouse2008-01-28
| | | | | | | | There seems to be no reason for a separate structure; move it all into struct lbs_private. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: kill TxLockFlagDavid Woodhouse2008-01-28
| | | | | | | We don't need this. We can use adapter->currenttxskb instead. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: fix lbs_rtap attribute in sysfsDavid Woodhouse2008-01-28
| | | | | | | | | | | At least it doesn't oops when you attempt to read or write it now. Only when you enable it and then later turn it off. And when it's enabled I don't see how it actually works. But one fewer oops is good, for now... Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: clean up lbs_thread() to make it slightly more readableDavid Woodhouse2008-01-28
| | | | | | | No semantic changes. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: switch lbs_cmd() to take a callback function pointerDavid Woodhouse2008-01-28
| | | | | | | | | | All existing code which sends commands is set up to have some function called with the results, not to get data back. It's more versatile this way, and providing it with a callback function which involves memcpy() is hardly difficult. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: kill adapter->nr_cmd_pendingDavid Woodhouse2008-01-28
| | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Fix up error handling in lbs_setuserscan()David Woodhouse2008-01-28
| | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Don't set IW_ENCODE_NOKEY when returning WEP keys.David Woodhouse2008-01-28
| | | | | | | Also clean up the double setting/clearing of IW_ENCODE_DISABLED. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: endianness fixesHolger Schurig2008-01-28
| | | | | | | | | | | | | | | Recently I found that that sparse by default doesn't endianness checks. So I changed my compilation habit to be make modules C=1 SUBDIRS=drivers/net/wireless/libertas CHECKFLAGS="-D__CHECK_ENDIAN__" so that I get the little-endian checks from sparse as well. That showed up a good bunch of problems. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Switch to using a callback function pointer for commandsDavid Woodhouse2008-01-28
| | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: when usb_submit_usb fails, include the error code in the printkDavid Woodhouse2008-01-28
| | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: implement new scanning logicHolger Schurig2008-01-28
| | | | | | | | | | | | | | | | This changes the code that is used for scanning and makes it hopefully easier to understand: * move function into logical blocks * create a bunch of lbs_scan_add_XXXX_tlv() functions, that help to create the TLV parameter of CMD_802_11_SCAN * all of them are now called from the much simpler lbs_do_scan() * no **puserscancfg double-pointers :-) Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Fix endianness in boot2_version handling.David Woodhouse2008-01-28
| | | | | | | | We read it from the card. We byte-swap it. We write it back to the card. D'oh. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Remove SET_BOOT2_VER support from the Big Switch Statement.David Woodhouse2008-01-28
| | | | | | | And the death of libertas_prepare_and_send_command() starts... Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Use lbs_cmd() for setting Boot2 versionDavid Woodhouse2008-01-28
| | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: fix data packet size errorsHolger Schurig2008-01-28
| | | | | | | | | | | | | | I wondered about junk bytes at the end when using "lbsdebug +hex +host" until I noticed that firmware for the CF card sends my extranous bytes. It says "I have 20 bytes", I take 20 bytes, but the last 8 bytes of this are just data junk. Also, in the new lbs_cmd() where was a size miscalulation that made itself clear after fixing this bug. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: don't cast a pointer to pointer ofLi Zefan2008-01-28
| | | | | | | | | | | | Don't cast struct foo * to struct list_head *, it's safe only when the list member is the first member of struct foo. Also don't cast struct list_head * to struct foo *. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Byteswap cmdptr->size in lbs_cmd()David Woodhouse2008-01-28
| | | | | | | | Bad Holger. Always test on big-endian machines, if it's little-endian you need to be swapping to/from. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Zero 'pdata_size' field in cmd_ctrl_node reliably.David Woodhouse2008-01-28
| | | | | | | | Otherwise, lbs_process_rx_command() will take the new path for lbs_cmd() responses, when it shouldn't. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Move SET_BOOT2_VER command to if_usb where it belongsDavid Woodhouse2008-01-28
| | | | | | | | | This is meaningless for non-USB devices and unimplemented in their firmware. It's somewhat dubious for USB devices too, but that's a different story. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: Don't claim to have checksummed incoming packets.David Woodhouse2008-01-28
| | | | | | | | This explains why we never noticed the corruption of checksums on outgoing packets... we weren't actually checking them either. Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: handy function to call firmware commandsHolger Schurig2008-01-28
| | | | | | | | | | | | | | | | Using an arbitrary firmware command was actually very painful. One had to change big switch() statements in cmd.c, cmdresp.c, add structs to the big union in "struct cmd_ds_command" and add the define for the CMD_802_11_xxx to the proper place. With this function, this is now much easier. For now, it implements a blocking (a.k.a. CMD_OPTION_WAITFORRSP) way where one deals directly with command requests and response buffers. You can do everything in one place: Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: make more functions staticHolger Schurig2008-01-28
| | | | | | | | | These functions were used in the old debugfs code for events, but as this code is now gone, there's no need to export those functions. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: remove cmd_ctrl_node->statusHolger Schurig2008-01-28
| | | | | | | | There was no code that ever did set this variable. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* libertas: remove cmd_ctrl_node->cmdflagsHolger Schurig2008-01-28
| | | | | | | | There was no code that ever did set this flag. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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