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path: root/drivers/net/wireless/rt2x00
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2014-08-12PCI: Remove DEFINE_PCI_DEVICE_TABLE macro useBenoit Taine
We should prefer `struct pci_device_id` over `DEFINE_PCI_DEVICE_TABLE` to meet kernel coding style guidelines. This issue was reported by checkpatch. A simplified version of the semantic patch that makes this change is as follows (http://coccinelle.lip6.fr/): // <smpl> @@ identifier i; declarer name DEFINE_PCI_DEVICE_TABLE; initializer z; @@ - DEFINE_PCI_DEVICE_TABLE(i) + const struct pci_device_id i[] = z; // </smpl> [bhelgaas: add semantic patch] Signed-off-by: Benoit Taine <benoit.taine@lip6.fr> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2014-07-15wireless: rt2x00: add new rt2800usb devicesXose Vazquez Perez
0x0b05 0x17e8 RT5372 USB 2.0 bgn 2x2 ASUS USB-N14 0x0411 0x0253 RT5572 USB 2.0 abgn 2x2 BUFFALO WLP-U2-300D 0x0df6 0x0078 RT???? Sitecom N300 Cc: Ivo van Doorn <IvDoorn@gmail.com> Cc: Helmut Schaa <helmut.schaa@googlemail.com> Cc: John W. Linville <linville@tuxdriver.com> Cc: users@rt2x00.serialmonkey.com Cc: linux-wireless@vger.kernel.org Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-10Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
2014-07-07rt2800usb: Don't perform DMA from stackAndrea Merello
Function rt2800usb_autorun_detect() passes the address of a variable allocated onto the stack to be used for DMA by the USB layer. This has been caught by my debugging-enabled kernel. This patch change things in order to allocate that variable via kmalloc, and it adjusts things to handle the kmalloc failure case, propagating the error. [ 7363.238852] ------------[ cut here ]------------ [ 7363.243529] WARNING: CPU: 1 PID: 5235 at lib/dma-debug.c:1153 check_for_stack+0xa4/0xf0() [ 7363.251759] ehci-pci 0000:00:04.1: DMA-API: device driver maps memory fromstack [addr=ffff88006b81bad4] [ 7363.261210] Modules linked in: rt2800usb(O+) rt2800lib(O) rt2x00usb(O) rt2x00lib(O) rtl818x_pci(O) rtl8187 led_class eeprom_93cx6 mac80211 cfg80211 [last unloaded: rt2x00lib] [ 7363.277143] CPU: 1 PID: 5235 Comm: systemd-udevd Tainted: G O 3.16.0-rc3-wl+ #31 [ 7363.285546] Hardware name: System manufacturer System Product Name/M3N78 PRO, BIOS ASUS M3N78 PRO ACPI BIOS Revision 1402 12/04/2009 [ 7363.297511] 0000000000000009 ffff88006b81b710 ffffffff8175dcad ffff88006b81b758 [ 7363.305062] ffff88006b81b748 ffffffff8106d372 ffff88006cf10098 ffff88006cead6a0 [ 7363.312622] ffff88006b81bad4 ffffffff81c1e7c0 ffff88006cf10098 ffff88006b81b7a8 [ 7363.320161] Call Trace: [ 7363.322661] [<ffffffff8175dcad>] dump_stack+0x4d/0x6f [ 7363.327847] [<ffffffff8106d372>] warn_slowpath_common+0x82/0xb0 [ 7363.333893] [<ffffffff8106d3e7>] warn_slowpath_fmt+0x47/0x50 [ 7363.339686] [<ffffffff813a93b4>] check_for_stack+0xa4/0xf0 [ 7363.345298] [<ffffffff813a995c>] debug_dma_map_page+0x10c/0x150 [ 7363.351367] [<ffffffff81521bd9>] usb_hcd_map_urb_for_dma+0x229/0x720 [ 7363.357890] [<ffffffff8152256d>] usb_hcd_submit_urb+0x2fd/0x930 [ 7363.363929] [<ffffffff810eac31>] ? irq_work_queue+0x71/0xd0 [ 7363.369617] [<ffffffff810ab5a7>] ? wake_up_klogd+0x37/0x50 [ 7363.375219] [<ffffffff810ab7a5>] ? console_unlock+0x1e5/0x420 [ 7363.381081] [<ffffffff810abc25>] ? vprintk_emit+0x245/0x530 [ 7363.386773] [<ffffffff81523d3c>] usb_submit_urb+0x30c/0x580 [ 7363.392462] [<ffffffff81524295>] usb_start_wait_urb+0x65/0xf0 [ 7363.398325] [<ffffffff815243ed>] usb_control_msg+0xcd/0x110 [ 7363.404014] [<ffffffffa005514d>] rt2x00usb_vendor_request+0xbd/0x170 [rt2x00usb] [ 7363.411544] [<ffffffffa0074292>] rt2800usb_autorun_detect+0x32/0x50 [rt2800usb] [ 7363.418986] [<ffffffffa0074aa1>] rt2800usb_read_eeprom+0x11/0x70 [rt2800usb] [ 7363.426168] [<ffffffffa0063ffd>] rt2800_probe_hw+0x11d/0xf90 [rt2800lib] [ 7363.432989] [<ffffffffa0074b7d>] rt2800usb_probe_hw+0xd/0x50 [rt2800usb] [ 7363.439808] [<ffffffffa00453d8>] rt2x00lib_probe_dev+0x238/0x7c0 [rt2x00lib] [ 7363.446992] [<ffffffffa00bfa48>] ? ieee80211_led_names+0xb8/0x100 [mac80211] [ 7363.454156] [<ffffffffa0056116>] rt2x00usb_probe+0x156/0x1f0 [rt2x00usb] [ 7363.460971] [<ffffffffa0074250>] rt2800usb_probe+0x10/0x20 [rt2800usb] [ 7363.467616] [<ffffffff8152799e>] usb_probe_interface+0xce/0x1c0 [ 7363.473651] [<ffffffff81480c20>] really_probe+0x70/0x240 [ 7363.479079] [<ffffffff81480f01>] __driver_attach+0xa1/0xb0 [ 7363.484682] [<ffffffff81480e60>] ? __device_attach+0x70/0x70 [ 7363.490461] [<ffffffff8147eef3>] bus_for_each_dev+0x63/0xa0 [ 7363.496146] [<ffffffff814807c9>] driver_attach+0x19/0x20 [ 7363.501570] [<ffffffff81480468>] bus_add_driver+0x178/0x220 [ 7363.507270] [<ffffffff8148151b>] driver_register+0x5b/0xe0 [ 7363.512874] [<ffffffff815271b0>] usb_register_driver+0xa0/0x170 [ 7363.518905] [<ffffffffa007a000>] ? 0xffffffffa0079fff [ 7363.524074] [<ffffffffa007a01e>] rt2800usb_driver_init+0x1e/0x20 [rt2800usb] [ 7363.531247] [<ffffffff810002d4>] do_one_initcall+0x84/0x1b0 [ 7363.536932] [<ffffffff8113aa60>] ? kfree+0xd0/0x110 [ 7363.541931] [<ffffffff8112730a>] ? __vunmap+0xaa/0xf0 [ 7363.547538] [<ffffffff810ca07e>] load_module+0x1aee/0x2040 [ 7363.553141] [<ffffffff810c6f10>] ? store_uevent+0x50/0x50 [ 7363.558676] [<ffffffff810ca66e>] SyS_init_module+0x9e/0xc0 [ 7363.564285] [<ffffffff81764012>] system_call_fastpath+0x16/0x1b [ 7363.570338] ---[ end trace 01ef5f822bea9882 ]--- Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-19drivers/net/wireless/rt2x00/rt2x00dev.c: remove null test before kfreeFabian Frederick
Fix checkpatch warning: WARNING: kfree(NULL) is safe this check is probably not required Cc: Ivo van Doorn <IvDoorn@gmail.com> Cc: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-19rt2x00: Use dma_zalloc_coherentJoe Perches
Use the zeroing function instead of dma_alloc_coherent & memset(,0,) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-19rt2x00: do not initialize BCN_OFFSET registersStanislaw Gruszka
We setup BCN_OFFSET{0,1} registers dynamically, don't have to initialize them. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-19rt2x00: change order when stop beaconingStanislaw Gruszka
When no beaconing is needed, first stop beacon queue (disable beaconing globally) to avoid possible sending of not prepared beacon on short period after clearing beacon and before stop of BCN queue. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-19rt2x00: change default MAC_BSSID_DW1_BSS_BCN_NUMStanislaw Gruszka
We setup MAC_BSSID_DW1_BSS_BCN_NUM dynamically when numbers of active beacons increase. Change default to 0 to tell hardware that we want to send only one beacon as default. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-19rt2x00: change beaconing setup on RT2800Stanislaw Gruszka
As reported by Matthias, on 5572 chip, even if we clear up TXWI of corresponding beacon, hardware still try to send it or do other action that increase power consumption peak up to 1A. To avoid the issue, setup beaconing dynamically by configuring offsets of currently active beacons and MAC_BSSID_DW1_BSS_BCN_NUM variable, which limit number of beacons that hardware will try to send. Reported-by: Matthias Fend <Matthias.Fend@wolfvision.net> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-19rt2x00: change beaconing lockingStanislaw Gruszka
This patch is needed for further changes to keep global variables consistent when changing beaconing on diffrent vif's. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-19net: wireless: rt2x00: rt2x00mac.c: Cleaning up uninitialized variablesRickard Strandqvist
There is a risk that the variable will be used without being initialized. This was largely found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-17rt2x00: fix rfkill regression on rt2500pciStanislaw Gruszka
As reported by Niels, starting rfkill polling during device probe (commit e2bc7c5, generally sane change) broke rfkill on rt2500pci device. I considered that bug as some initalization issue, which should be fixed on rt2500pci specific code. But after several attempts (see bug report for details) we fail to find working solution. Hence I decided to revert to old behaviour on rt2500pci to fix regression. Additionally patch also unregister rfkill on device remove instead of ifconfig down, what was another issue introduced by bad commit. Bug report: https://bugzilla.kernel.org/show_bug.cgi?id=73821 Fixes: e2bc7c5f3cb8 ("rt2x00: Fix rfkill_polling register function.") Cc: stable@vger.kernel.org Bisected-by: Niels <nille0386@googlemail.com> Reported-and-tested-by: Niels <nille0386@googlemail.com> Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-17rt2800usb:fix hang during firmware loadMichael Braun
The device 057c:8501 (AVM Fritz! WLAN v2 rev. B) boots into a state that does not actually require loading a firmware file. The vendors driver finds out about this by checking a firmware state register, so this patch adds this here. Finally, with this patch applied, my wifi dongle actually becomes useful (scan + connect to wpa network works). Signed-off-by: Michael Braun <michael-dev@fami-braun.de> Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-17rt2800usb:fix efuse detectionMichael Braun
The device 057c:8501 (AVM Fritz! WLAN v2 rev. B) currently does not load. One thing observed is that the vendors driver detects EFUSE mode for this device, but rt2800usb does not. This is due to rt2800usb lacking a check for the firmware mode present in the vendors driver, that this patch adopts for rt2800usb. With this patch applied, the 'RF chipset' detection does no longer fail. Signed-off-by: Michael Braun <michael-dev@fami-braun.de> Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-06-16rt2x00: disable TKIP on USBStanislaw Gruszka
On USB we can not get atomically TKIP key. We have to disable support for TKIP acceleration on USB hardware to avoid bug as showed bellow. [ 860.827243] BUG: scheduling while atomic: hostapd/3397/0x00000002 <snip> [ 860.827280] Call Trace: [ 860.827282] [<ffffffff81682ea6>] dump_stack+0x4d/0x66 [ 860.827284] [<ffffffff8167eb9b>] __schedule_bug+0x47/0x55 [ 860.827285] [<ffffffff81685bb3>] __schedule+0x733/0x7b0 [ 860.827287] [<ffffffff81685c59>] schedule+0x29/0x70 [ 860.827289] [<ffffffff81684f8a>] schedule_timeout+0x15a/0x2b0 [ 860.827291] [<ffffffff8105ac50>] ? ftrace_raw_event_tick_stop+0xc0/0xc0 [ 860.827294] [<ffffffff810c13c2>] ? __module_text_address+0x12/0x70 [ 860.827296] [<ffffffff81686823>] wait_for_completion_timeout+0xb3/0x140 [ 860.827298] [<ffffffff81080fc0>] ? wake_up_state+0x20/0x20 [ 860.827301] [<ffffffff814d5b3d>] usb_start_wait_urb+0x7d/0x150 [ 860.827303] [<ffffffff814d5cd5>] usb_control_msg+0xc5/0x110 [ 860.827305] [<ffffffffa02fb0c6>] rt2x00usb_vendor_request+0xc6/0x160 [rt2x00usb] [ 860.827307] [<ffffffffa02fb215>] rt2x00usb_vendor_req_buff_lock+0x75/0x150 [rt2x00usb] [ 860.827309] [<ffffffffa02fb393>] rt2x00usb_vendor_request_buff+0xa3/0xe0 [rt2x00usb] [ 860.827311] [<ffffffffa023d1a3>] rt2x00usb_register_multiread+0x33/0x40 [rt2800usb] [ 860.827314] [<ffffffffa05805f9>] rt2800_get_tkip_seq+0x39/0x50 [rt2800lib] [ 860.827321] [<ffffffffa0480f88>] ieee80211_get_key+0x218/0x2a0 [mac80211] [ 860.827322] [<ffffffff815cc68c>] ? __nlmsg_put+0x6c/0x80 [ 860.827329] [<ffffffffa051b02e>] nl80211_get_key+0x22e/0x360 [cfg80211] Cc: stable@vger.kernel.org Reported-and-tested-by: Peter Wu <lekensteyn@gmail.com> Reported-and-tested-by: Pontus Fuchs <pontus.fuchs@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-05-22rt2x00: Endless loop on hub port power downRichard Genoud
I've met an endless (or at least very long) loop if I power down the usb port on witch a usb wifi key is plugged. (Ok, it's not very smart to power down a usb port when a usb key is in used... but still, I think that should not lead to an endless loop). I have a lot of: ieee80211 phy1: rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x0438 with error -71 (-71==-EPROTO) How to reproduce: - plug an usb wifi key - ip link set wlan0 up - hub-ctrl -b usb_bus -d usb_device -P usb_port -p 0 hub-ctrl source: https://github.com/codazoda/hub-ctrl.c/blob/master/hub-ctrl.c The following patch prevents the endless loop, but I'm really not sure that The Right Way To Do It (R) Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-05-13Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
2014-04-30Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Conflicts: net/mac80211/chan.c
2014-04-22rt2x00: restore original beaconing stateStanislaw Gruszka
After changing local per interface beacon setting restore original global beaconing state. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-04-22rt2x00: fix beaconing on USBStanislaw Gruszka
When disable beaconing we clear register with beacon and newer set it back, what make we stop send beacons infinitely. Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-04-09mac80211: add vif to flush callEmmanuel Grumbach
This will allow the low level driver to make decision based on the vif such as queues etc... Since the vif might be NULL, we can't add it to the tracing functions. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> [fix staging rtl8821ae driver] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-03-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Conflicts: Documentation/devicetree/bindings/net/micrel-ks8851.txt net/core/netpoll.c The net/core/netpoll.c conflict is a bug fix in 'net' happening to code which is completely removed in 'net-next'. In micrel-ks8851.txt we simply have overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-13Revert "rt2x00: rt2800lib: Update BBP register initialization for RT53xx"Stanislaw Gruszka
This reverts commit eac40d9631a7db43570df859fa8a9922e9623607. It cause random connection drops on RT5390 PCI adapters. On Mediatek there is different driver version available for RT53xx chip based on bus type (2.5.0.3 for PCI and 2.6.1.3 for USB). Hence possibly we should set registers differently based on bus type. But is also possible that new driver (i.e. 2.6.1.3) was not verified on RT53xx USB. Until we figure out how to initialize registers properly for RT53xx just revert commit eac40d9631a7db43570df859fa8a9922e9623607 since it cause regression. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-03net: Replace min macro with min_tSilvan Jegen
Instead of an explicit cast, use the min_t macro. Signed-off-by: Silvan Jegen <s.jegen@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-24wireless/rt2x00: don't use PREPARE_WORK in rt2800usb.cTejun Heo
PREPARE_[DELAYED_]WORK() are being phased out. They have few users and a nasty surprise in terms of reentrancy guarantee as workqueue considers work items to be different if they don't have the same work function. Update rt2800usb.c to use INIT_WORK() instead of PREPARE_WORK(). As the work item isn't in active use during rt2800usb_probe_hw(), this doesn't cause any behavior difference. It would probably be best to route this with other related updates through the workqueue tree. Only compile tested. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Ivo van Doorn <IvDoorn@gmail.com> Cc: Gertjan van Wingerde <gwingerde@gmail.com> Cc: Helmut Schaa <helmut.schaa@googlemail.com> Cc: linux-wireless@vger.kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
2014-02-12rt2x00: move frequent messages to debug levelStanislaw Gruszka
On commit 28f2bce9f8bbf704c86f8c684337f82c51592c81 I make change that print various messages as default. This can cause flood of messages related to TX status timeout on some environments. I partially fixed problem on commit bb9c298f3193ac5b80e47b325c690700580b6bcf, but forgot to move two more messages to debug level. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-04rt2500: disable PS by defaultStanislaw Gruszka
It is know that PS cause issues on that old devices, disable it by default. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-04rt2800: disable PS by default on USBStanislaw Gruszka
We have disabled it currently on other buses. PS can cause some issues, not necessarily with our driver but on AP, that are not easy to debug. Since behaviour differs on rt2800usb and rt2800pci, user usually blame for malfunction rt2800usb driver, whereas issue is on AP side. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-23rt2x00: rt2800usb: mark D-Link DWA-137 as supportedRoman Dubtsov
Signed-off-by: Roman Dubtsov <dubtsov@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-03wireless: delete non-required instances of include <linux/init.h>Paul Gortmaker
None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Acked-by: Christian Lamparter <chunkeey@googlemail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-03rt2x00: use ether_addr_equal_64bitsJulia Lawall
Ether_addr_equal_64bits is more efficient than ether_addr_equal, and can be used when each argument is an array within a structure that contains at least two bytes of data beyond the array. The structures involved are: ieee80211_bar defined in include/linux/ieee80211.h and rt2x00_bar_list_entry defined in drivers/net/wireless/rt2x00/rt2x00.h. This was done using Coccinelle (http://coccinelle.lip6.fr/). Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-11rt2x00: Fix FSF address in file headersJeff Kirsher
Several files refer to an old address for the Free Software Foundation in the file header comment. Resolve by replacing the address with the URL <http://www.gnu.org/licenses/> so that we do not have to keep updating the header comments anytime the address changes. CC: linux-wireless@vger.kernel.org CC: Ivo van Doorn <IvDoorn@gmail.com> CC: Gertjan van Wingerde <gwingerde@gmail.com> CC: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-05wireless: rt2x00: remove unnecessary pci_set_drvdata()Jingoo Han
The driver core clears the driver data to NULL after device_release or on probe failure. Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-05rt2x00: rt2800lib: no need to write RF register 3 twice for RT5592Kevin Lo
In rt2800_init_rfcsr_5592(), there's no need to write RF register 3 twice. Signed-off-by: Kevin Lo <kevlo@kevlo.org> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-05rt2x00: rt2800lib: update RF registers for RT5390Kevin Lo
Mirror the latest MediaTek/Ralink driver with respect to RT5390 RF register programming. The PCI and USB devices use different init values. Signed-off-by: Kevin Lo <kevlo@kevlo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-05rt2x00: rt2800lib: Update BBP register initialization for RT53xxKevin Lo
Update bbp register initialization for RT53xx chips to match with the latest MediaTek/Ralink driver. Based on: NICInitRT5390BbpRegisters() From: DPO_RT5572_LinuxSTA_2.6.1.3_20121022/chips/rt5390.c Signed-off-by: Kevin Lo <kevlo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-11-21Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2013-11-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: "Mostly these are fixes for fallout due to merge window changes, as well as cures for problems that have been with us for a much longer period of time" 1) Johannes Berg noticed two major deficiencies in our genetlink registration. Some genetlink protocols we passing in constant counts for their ops array rather than something like ARRAY_SIZE(ops) or similar. Also, some genetlink protocols were using fixed IDs for their multicast groups. We have to retain these fixed IDs to keep existing userland tools working, but reserve them so that other multicast groups used by other protocols can not possibly conflict. In dealing with these two problems, we actually now use less state management for genetlink operations and multicast groups. 2) When configuring interface hardware timestamping, fix several drivers that simply do not validate that the hwtstamp_config value is one the driver actually supports. From Ben Hutchings. 3) Invalid memory references in mwifiex driver, from Amitkumar Karwar. 4) In dev_forward_skb(), set the skb->protocol in the right order relative to skb_scrub_packet(). From Alexei Starovoitov. 5) Bridge erroneously fails to use the proper wrapper functions to make calls to netdev_ops->ndo_vlan_rx_{add,kill}_vid. Fix from Toshiaki Makita. 6) When detaching a bridge port, make sure to flush all VLAN IDs to prevent them from leaking, also from Toshiaki Makita. 7) Put in a compromise for TCP Small Queues so that deep queued devices that delay TX reclaim non-trivially don't have such a performance decrease. One particularly problematic area is 802.11 AMPDU in wireless. From Eric Dumazet. 8) Fix crashes in tcp_fastopen_cache_get(), we can see NULL socket dsts here. Fix from Eric Dumzaet, reported by Dave Jones. 9) Fix use after free in ipv6 SIT driver, from Willem de Bruijn. 10) When computing mergeable buffer sizes, virtio-net fails to take the virtio-net header into account. From Michael Dalton. 11) Fix seqlock deadlock in ip4_datagram_connect() wrt. statistic bumping, this one has been with us for a while. From Eric Dumazet. 12) Fix NULL deref in the new TIPC fragmentation handling, from Erik Hugne. 13) 6lowpan bit used for traffic classification was wrong, from Jukka Rissanen. 14) macvlan has the same issue as normal vlans did wrt. propagating LRO disabling down to the real device, fix it the same way. From Michal Kubecek. 15) CPSW driver needs to soft reset all slaves during suspend, from Daniel Mack. 16) Fix small frame pacing in FQ packet scheduler, from Eric Dumazet. 17) The xen-netfront RX buffer refill timer isn't properly scheduled on partial RX allocation success, from Ma JieYue. 18) When ipv6 ping protocol support was added, the AF_INET6 protocol initialization cleanup path on failure was borked a little. Fix from Vlad Yasevich. 19) If a socket disconnects during a read/recvmsg/recvfrom/etc that blocks we can do the wrong thing with the msg_name we write back to userspace. From Hannes Frederic Sowa. There is another fix in the works from Hannes which will prevent future problems of this nature. 20) Fix route leak in VTI tunnel transmit, from Fan Du. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (106 commits) genetlink: make multicast groups const, prevent abuse genetlink: pass family to functions using groups genetlink: add and use genl_set_err() genetlink: remove family pointer from genl_multicast_group genetlink: remove genl_unregister_mc_group() hsr: don't call genl_unregister_mc_group() quota/genetlink: use proper genetlink multicast APIs drop_monitor/genetlink: use proper genetlink multicast APIs genetlink: only pass array to genl_register_family_with_ops() tcp: don't update snd_nxt, when a socket is switched from repair mode atm: idt77252: fix dev refcnt leak xfrm: Release dst if this dst is improper for vti tunnel netlink: fix documentation typo in netlink_set_err() be2net: Delete secondary unicast MAC addresses during be_close be2net: Fix unconditional enabling of Rx interface options net, virtio_net: replace the magic value ping: prevent NULL pointer dereference on write to msg_name bnx2x: Prevent "timeout waiting for state X" bnx2x: prevent CFC attention bnx2x: Prevent panic during DMAE timeout ...
2013-11-15rt2x00: fix a crash bug in the HT descriptor handling fixFelix Fietkau
Commit "rt2x00: fix HT TX descriptor settings regression" assumes that the control parameter to rt2x00mac_tx is always non-NULL. There is an internal call in rt2x00lib_bc_buffer_iter where NULL is passed. Fix the resulting crash by adding an initialized dummy on-stack ieee80211_tx_control struct. Cc: stable@vger.kernel.org # 3.7+ Signed-off-by: Felix Fietkau <nbd@openwrt.org> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-11-15kfifo API type safetyStefani Seibold
This patch enhances the type safety for the kfifo API. It is now safe to put const data into a non const FIFO and the API will now generate a compiler warning when reading from the fifo where the destination address is pointing to a const variable. As a side effect the kfifo_put() does now expect the value of an element instead a pointer to the element. This was suggested Russell King. It make the handling of the kfifo_put easier since there is no need to create a helper variable for getting the address of a pointer or to pass integers of different sizes. IMHO the API break is okay, since there are currently only six users of kfifo_put(). The code is also cleaner by kicking out the "if (0)" expressions. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Stefani Seibold <stefani@seibold.net> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-11-11rt2x00: fix HT TX descriptor settings regressionStanislaw Gruszka
Since: commit 36323f817af0376c78612cfdab714b0feb05fea5 Author: Thomas Huehn <thomas@net.t-labs.tu-berlin.de> Date: Mon Jul 23 21:33:42 2012 +0200 mac80211: move TX station pointer and restructure TX we do not pass sta pointer to rt2x00queue_create_tx_descriptor_ht(), hence we do not correctly set station WCID and AMPDU density parameters. Cc: stable@vger.kernel.org # 3.7+ Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-11-11wireless: rt2800lib: Fix typo on checkingFelipe Pena
On rt2800_config_channel_rf53xx function the member default_power1 is checked for bound limit, but default_power2 is used instead. Signed-off-by: Felipe Pena <felipensp@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-11-04Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless Conflicts: drivers/net/wireless/iwlwifi/pcie/drv.c
2013-10-18rt2x00: rt2800pci: use module_pci_driver macroGabor Juhos
Use the module_pci_driver() macro to make the code simpler by eliminating module_init and module_exit calls. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-18rt2x00: rt2800pci: move SoC specific code into a separate moduleGabor Juhos
The PCI and SoC specific drivers are using separate code now so it is not reasonable to use the same module for both drivers anymore. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-18rt2x00: rt2800pci: use separate hwcrypt_disabled callback for SoC devicesGabor Juhos
The 'rt2800pci_hwcrypt_disabled' function is the only PCI specific callback which is used by the SoC driver. Create a clone of that to get rid of the dependency. Even though the two functions are using the same variable, but the SoC specific code will be moved into a separate module which will have its own 'modparam_nohwcrypt' variable. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-18rt2x00: rt2800pci: move rt2800mmio_enable_radio function to another moduleGabor Juhos
Move the function into the rt2800mmio module, in order to make it usable from other modules. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-10-18rt2x00: rt2800pci: split rt2800pci_enable_radio functionGabor Juhos
The function is called for PCI and SoC devices however the MCU related part of the function has no effect on SoC devices. Move the common part of the function into a separate helper and use that for the SoC devices. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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