OSDN Git Service
Andrea Merello [Sat, 15 Mar 2014 17:29:37 +0000 (18:29 +0100)]
rtl8180: make *IFS and CW tunable by mac80211, and set them in the proper place
SLOT, SIFS, DIFS, EIFS, CW and ACK-timeout registers are set in an
RF-code callback and their values are fixed.
This patch moves this off the rf-code, and introduce two new functions
that calculate these values depending by slot time and CW values
requested by mac80211.
This seems to improve performances on my setup.
Currently the ack and slot time values could be stored in a local
variable, but this patch stores it in the driver "priv" structure
because it will be useful for rtl8187se support that will be added
(hopefully) soon.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Andrea Merello [Sat, 15 Mar 2014 17:29:36 +0000 (18:29 +0100)]
rtl8180: support for BSS_CHANGED_BASIC_RATES
Basic rates setting is done with hardcoded register write with
fixed settings.
This patch introduces a new function that makes it possible to
configure basic rates and it add a check for mac80211
BSS_CHANGED_BASIC_RATES flag in order to eventually invoke that
function when needed.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Andrea Merello [Sat, 15 Mar 2014 17:29:35 +0000 (18:29 +0100)]
rtl8180: remove too-early-added rtl8187se enum value
While changing board-type variable to enum, I have added enum
value for rtl8187se by mistake.
This will causes gcc warnings with unhandled switch/cases.
Remove it temporarily until I will push also rtl8187se changes.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Arend van Spriel [Sat, 15 Mar 2014 16:18:21 +0000 (17:18 +0100)]
brcmfmac: remove mode field from brcmf_cfg80211_vif structure
The nl80211 iftype was converted to a mode value and stored in
brcmf_cfg80211_vif structure. The value was used only within
brcmfmac driver to decide execution of conditional code. Better
use wireless_dev::iftype for that as the wdev is contained in
the brcmf_cfg80211_vif structure.
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Arend van Spriel [Sat, 15 Mar 2014 16:18:20 +0000 (17:18 +0100)]
brcmfmac: assure active clock request upon entering SLEEP state
When the SDIO driver goes in low power state it must assure that
a clock request in ChipCLKCSR is set. Otherwise waking up the
device can fail. The register is read and if necessary the ALP
clock will be requested.
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Hante Meuleman [Sat, 15 Mar 2014 16:18:19 +0000 (17:18 +0100)]
brcmfmac: Improve scanning settings for connect.
When connecting without specifying the channel it can take quite
some time to connect. This is because not all parameters for the
scan operation are set to optimized values. This patch changes
these parameters resulting in a much faster connect in certain
situations.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Hante Meuleman [Sat, 15 Mar 2014 16:18:18 +0000 (17:18 +0100)]
brcmfmac: Protect tx seq number for data and control
SDIO tx uses a sequence number which is common for data
and control. This requires that access to this sequence number
is protected. A mutex was used to achieve this, but it also
required the reordering of code for tx control.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Franky Lin [Sat, 15 Mar 2014 16:18:17 +0000 (17:18 +0100)]
brcmfmac: add BCM4354 SDIO interface support
BCM4354 is an a/b/g/n/ac 2x2 WiFi chip. This patch adds support for it through
SDIO interface.
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Mon, 17 Mar 2014 17:16:50 +0000 (13:16 -0400)]
Merge tag 'nfc-next-3.15-1' of git://git./linux/kernel/git/sameo/nfc-next
Samuel Ortiz <sameo@linux.intel.com> says:
"NFC: 3.15: First pull request
This is the NFC pull request for 3.15. With this one we have:
- Support for ISO 15693 a.k.a. NFC vicinity a.k.a. Type 5 tags. ISO
15693 are long range (1 - 2 meters) vicinity tags/cards. The kernel
now supports those through the NFC netlink and digital APIs.
- Support for TI's trf7970a chipset. This chipset relies on the NFC
digital layer and the driver currently supports type 2, 4A and 5 tags.
- Support for NXP's pn544 secure firmare download. The pn544 C3 chipsets
relies on a different firmware download protocal than the C2 one. We
now support both and use the right one depending on the version we
detect at runtime.
- Support for 4A tags from the NFC digital layer.
- A bunch of cleanups and minor fixes from Axel Lin and Thierry Escande."
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:16:06 +0000 (21:16 +0100)]
ath9k_htc: move DEFAULT_SWBA_RESPONSE check to ath9k_htc_beacon_init
... to remove some more dups.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:16:05 +0000 (21:16 +0100)]
ath9k_htc: use ath9k_cmn_beacon_config_ap
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:16:04 +0000 (21:16 +0100)]
ath9k: remove unused ath9k_get_next_tbtt
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:16:03 +0000 (21:16 +0100)]
ath9k: move ath9k_beacon_config_ap common
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:16:02 +0000 (21:16 +0100)]
ath9k_htc: use ath9k_cmn_beacon_config_adhoc
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:16:01 +0000 (21:16 +0100)]
ath9k_htc: use ath9k_htc_beacon_init in ath9k_htc_beacon_config_adhoc
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:16:00 +0000 (21:16 +0100)]
ath9k_htc: use ath9k_htc_beacon_init in ath9k_htc_beacon_config_ap
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:59 +0000 (21:15 +0100)]
ath9k_htc: add ath9k_htc_beacon_init (but not use it)
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:58 +0000 (21:15 +0100)]
ath9k: move ath9k_beacon_config_adhoc to common
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:57 +0000 (21:15 +0100)]
ath9k_htc: use ath9k_cmn_beacon_config_sta
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:56 +0000 (21:15 +0100)]
ath9k: move ath9k_beacon_config_sta to common-beacon
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:55 +0000 (21:15 +0100)]
ath9k-common: add nexttbtt and intval to ath_beacon_config
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:54 +0000 (21:15 +0100)]
ath9k|ath9k_htc: move IEEE80211_MS_TO_TU to common
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:53 +0000 (21:15 +0100)]
ath9k: remove unused beacon_qi
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:52 +0000 (21:15 +0100)]
ath9k_htc: sync beacon slot code with ath9k
we will need it for common-beacon
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:51 +0000 (21:15 +0100)]
ath9k: remove unused bc_tstamp
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:50 +0000 (21:15 +0100)]
ath9k_htc: add ATH_OP_PRIM_STA_VIF
we will need it to make common-beacon code work.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:49 +0000 (21:15 +0100)]
ath9k_htc: use common->op_flags
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Thu, 27 Feb 2014 10:40:46 +0000 (11:40 +0100)]
ath9k: move sc_flags to ath_common
we will need it for ath9k_htc, may be other drivers too
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:47 +0000 (21:15 +0100)]
ath9k_htc: use ath_beacon_conf.enable_beacon
to reduce difference between ath9k and ath9k_htc
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:46 +0000 (21:15 +0100)]
ath9k_htc: move beaconq to struct htc_beacon
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:45 +0000 (21:15 +0100)]
ath9k_htc: use common ath_beacon_config
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Oleksij Rempel [Sat, 1 Mar 2014 20:15:44 +0000 (21:15 +0100)]
ath9k: move struct ath_beacon_config to common
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Axel Lin [Wed, 26 Feb 2014 02:26:45 +0000 (10:26 +0800)]
NFC: llcp: Use list_for_each_entry in nfc_llcp_find_local()
nfc_llcp_find_local() does not modify any list entry while iterating the list.
So use list_for_each_entry instead of list_for_each_entry_safe.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Axel Lin [Tue, 25 Feb 2014 01:18:10 +0000 (09:18 +0800)]
NFC: Move checking valid gb_len value to nfc_llcp_set_remote_gb
This checking is common for all caller, so move the checking to one place.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Axel Lin [Mon, 24 Feb 2014 13:04:30 +0000 (21:04 +0800)]
NFC: Remove redundant test for dev->n_targets in nfc_find_target
Without this test, it returns NULL if dev->n_targets is 0 anyway.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Jean Delvare [Thu, 13 Mar 2014 22:21:08 +0000 (23:21 +0100)]
brcmfmac: Make probe function __init
One of the benefits of platform_driver_probe() is that you can make
the probe function __init.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Hante Meuleman <meuleman@broadcom.com>
Cc: Arend van Spriel <arend@broadcom.com>
Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Joe Perches [Wed, 12 Mar 2014 17:22:38 +0000 (10:22 -0700)]
ath9k: Convert uses of __constant_<foo> to <foo>
The use of __constant_<foo> has been unnecessary for quite awhile now.
Make these uses consistent with the rest of the kernel.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John Greene [Tue, 11 Mar 2014 18:08:34 +0000 (14:08 -0400)]
ath5k: add missing dma_map_error call
Trivial patch to address this trace. Now calls dma_mapping_error and
return -ENOSPC if a problem found.
WARNING: at lib/dma-debug.c:933 check_unmap+0x47b/0x960()
Hardware name: Aspire 5515
ath5k 0000:02:00.0: DMA-API: device driver failed to check map
error[device address=0x00000000874fcd42] [size=45 bytes] [mapped as
single]
Modules linked in: bnep bluetooth ebtable_filter ebtables
ip6table_filter ip6_tables be2iscsi iscsi_boot_sysfs bnx2i cnic uio
cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi ib_iser rdma_cm ib_addr iw_cm
ib_cm ib_sa ib_mad ib_core iscsi_tcp libiscsi_tcp libiscsi
scsi_transport_iscsi arc4 snd_hda_codec_realtek snd_hda_intel
snd_hda_codec snd_hwdep snd_seq snd_seq_device ath5k ath snd_pcm
sparse_keymap snd_page_alloc mac80211 snd_timer sp5100_tco snd edac_core
k8temp soundcore edac_mce_amd i2c_piix4 cfg80211 rfkill shpchp vhost_net
tun macvtap macvlan kvm_amd kvm uinput dm_crypt ata_generic pata_acpi
radeon i2c_algo_bit pata_atiixp drm_kms_helper ttm drm r8169 mii
i2c_core wmi video sunrpc
Pid: 820, comm: firewalld Not tainted 3.9.0-0.rc3.git1.4.fc19.x86_64 #1
Call Trace:
<IRQ> [<
ffffffff81068df0>] warn_slowpath_common+0x70/0xa0
[<
ffffffff81068e6c>] warn_slowpath_fmt+0x4c/0x50
[<
ffffffff8137ebeb>] check_unmap+0x47b/0x960
[<
ffffffff81021cf5>] ? native_sched_clock+0x15/0x80
[<
ffffffff81021d69>] ? sched_clock+0x9/0x10
[<
ffffffff8137f12f>] debug_dma_unmap_page+0x5f/0x70
[<
ffffffffa048fa07>] ath5k_tasklet_tx+0x157/0x3f0 [ath5k]
[<
ffffffff810acc0d>] ? sched_clock_local+0x1d/0x80
[<
ffffffff81072aa6>] ? tasklet_action+0x56/0x210
[<
ffffffff81072ae7>] tasklet_action+0x97/0x210
[<
ffffffff8107343f>] __do_softirq+0xff/0x400
[<
ffffffff81073905>] irq_exit+0xb5/0xc0
[<
ffffffff81728916>] do_IRQ+0x56/0xc0
[<
ffffffff8171dc32>] common_interrupt+0x72/0x72
<EOI> [<
ffffffff811f1f81>] ? dput+0x111/0x310
[<
ffffffff811f1ea7>] ? dput+0x37/0x310
[<
ffffffff811e75e8>] link_path_walk+0x528/0x910
[<
ffffffff811ea624>] path_openat+0x94/0x530
[<
ffffffff811eb148>] do_filp_open+0x38/0x80
[<
ffffffff811e1dda>] open_exec+0x4a/0x130
[<
ffffffff81238be3>] load_elf_binary+0x7f3/0x18e0
[<
ffffffff81021d69>] ? sched_clock+0x9/0x10
[<
ffffffff810acc0d>] ? sched_clock_local+0x1d/0x80
[<
ffffffff810acd98>] ? sched_clock_cpu+0xa8/0x100
[<
ffffffff810d515d>] ? trace_hardirqs_off+0xd/0x10
[<
ffffffff810acedf>] ? local_clock+0x5f/0x70
[<
ffffffff810d5dbf>] ? lock_release_holdtime.part.28+0xf/0x190
[<
ffffffff812383f0>] ? elf_core_dump+0x1980/0x1980
[<
ffffffff811e1151>] search_binary_handler+0x1a1/0x4f0
[<
ffffffff811e1017>] ? search_binary_handler+0x67/0x4f0
[<
ffffffff811e28fc>] do_execve_common.isra.26+0x64c/0x710
[<
ffffffff811e23c2>] ? do_execve_common.isra.26+0x112/0x710
[<
ffffffff811e2cc6>] sys_execve+0x36/0x50
[<
ffffffff81727249>] stub_execve+0x69/0xa0
Signed-off-by: John Greene <jogreene@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Tue, 11 Mar 2014 15:10:34 +0000 (16:10 +0100)]
ath9k_hw: set ANI firstep as absolute values instead of relative
On older chips, the INI value differ in similar ways as cycpwr_thr1, so
convert it to absolute values as well.
Since the ANI algorithm is different here compared to the old
implementation (fewer steps, controlled at a different point in time),
it makes sense to use values similar to what would be applied for newer
chips, just without relying on INI defaults.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Tue, 11 Mar 2014 15:10:33 +0000 (16:10 +0100)]
ath9k_hw: set ANI cycpwr_thr1 as absolute values instead of relative
The table was copied from the ANI implementation of AR9300. It assumes
that the INI values contain a baseline value that is usable as reference
from which to increase/decrease based on the noise immunity value.
On older chips, the differences are bigger and especially AR5008/AR9001
are configured to much more sensitive values than what is useful.
Improve ANI behavior by reverting to the absolute values used in the
previous implementation (expressed as a simple formula instead of the
old table).
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Mon, 10 Mar 2014 18:56:33 +0000 (19:56 +0100)]
ath9k_hw: remove ANI function restrictions for AP mode
The primary purpose of this piece of code was to selectively disable
OFDM weak signal detection. The checks for this are elsewhere, and an
earlier commit relaxed the restrictions for older chips, which are more
sensitive to interference.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Arnd Bergmann [Mon, 10 Mar 2014 14:05:25 +0000 (15:05 +0100)]
wireless: Kconfig: add missing dependency for airo_cs
commit
4c59ff221e070 "wireless: Kconfig: add missing dependency" added a number
of 'depends on CFG80211' statements, but missed the AIRO_CS driver that
also causes the airo.c file to be built. This adds the (hopefully) last
such missing statement
Cc: "Zhao, Gang" <gamerh2o@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Emil Goode [Sun, 9 Mar 2014 20:06:52 +0000 (21:06 +0100)]
brcmsmac: update comment to reflect the code
The brcms_attach function is defined as static but the comment is
saying that it should not be static or gcc will issue a warning.
I believe we can remove the comment as I don't se a problem with
this function being defined as static.
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Emil Goode [Sun, 9 Mar 2014 20:06:51 +0000 (21:06 +0100)]
brcmsmac: fix deadlock on missing firmware
When brcm80211 firmware is not installed networking hangs.
A deadlock happens because we call ieee80211_unregister_hw()
from the .start callback of struct ieee80211_ops. When .start
is called we are under rtnl lock and ieee80211_unregister_hw()
tries to take it again.
Function call stack:
dev_change_flags()
__dev_change_flags()
__dev_open()
ASSERT_RTNL() <-- Assert rtnl lock
ops->ndo_open()
.ndo_open = ieee80211_open,
ieee80211_open()
ieee80211_do_open()
drv_start()
local->ops->start()
.start = brcms_ops_start,
brcms_ops_start()
brcms_remove()
ieee80211_unregister_hw()
rtnl_lock() <-- Here we deadlock
Introduced by:
commit
25b5632fb35ca61b8ae3eee235edcdc2883f7a5e
("brcmsmac: request firmware in .start() callback")
This patch fixes the bug by removing the call to brcms_remove()
and moves the brcms_request_fw() call to the top of the .start
callback to not initiate anything unless firmware is installed.
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sun, 9 Mar 2014 10:27:49 +0000 (11:27 +0100)]
ath9k: clean up and enhance ANI debugfs file
Unify scnprintf calls and include the current OFDM/CCK immunity level.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sun, 9 Mar 2014 10:02:54 +0000 (11:02 +0100)]
ath9k: fix ready time of the multicast buffer queue
qi->tqi_readyTime is written directly to registers that expect
microseconds as unit instead of TU.
When setting the CABQ ready time, cur_conf->beacon_interval is in TU, so
convert it to microseconds before passing it to ath9k_hw.
This should hopefully fix some Tx DMA issues with buffered multicast
frames in AP mode.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Andrea Merello [Sat, 8 Mar 2014 17:36:37 +0000 (18:36 +0100)]
rtl8180: prepare to handle more than two chip types
Currently a "r8185" integer variable is used as a boolean flag to
indicate whether the card is a rtl8185 or not.
Since now the driver supports only rtl8185 and rtl8180 cards, if
"r8185" variable is zero then the card is implicitly assumed to
be a rtl8180.
Now I'm preparing to add support for a third card type (rtl8187se).
This patch changes the "r8185" flag with an enum variable to
explicitly indicate which card type we have.
I'm submitting this this patch now, even if I still have to submit
other patches that not pertain with rtl8187se support, because
IMHO it's not worth rebasing them on the current code, using r8185
flag, and then changing them back again nearly immediately.
BTW if someone feels I really should do this, please tell me..
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Amitkumar Karwar [Sat, 8 Mar 2014 03:41:31 +0000 (19:41 -0800)]
mwifiex: add AMSDU inside AMPDU support
Currently AMPDU aggregation is preferred over AMSDU. AMSDU
aggregation is performed only if AMPDU streams in firmware
are full.
This patch adds simultaneous AMSDU and AMPDU aggregation
support. This mechanism helps to improve throughput.
AMSDU is enabled only for 8897 chipsets which supports 4K
transmit buffer. User can disable AMSDU using
'disable_tx_amsdu' module parameter.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Amitkumar Karwar [Sat, 8 Mar 2014 03:41:30 +0000 (19:41 -0800)]
mwifiex: create separate function mwifiex_11n_dispatch_pkt()
Existing mwifiex_11n_dispatch_pkt() function is renamed as
mwifiex_11n_dispatch_pkt_until_start_win() and a new function
mwifiex_11n_dispatch_pkt() is created for a common code which
dispatches single packet based on interface type.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Amitkumar Karwar [Sat, 8 Mar 2014 03:41:29 +0000 (19:41 -0800)]
mwifiex: code rearrangement for better readability
Use negative check for 'status' and return from the function.
This improves readability by avoiding line splits. Also, local
variable is used for start window calculations.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Amitkumar Karwar [Sat, 8 Mar 2014 03:41:28 +0000 (19:41 -0800)]
mwifiex: use VHT MCS mask in set bitrate mask handler
As V15 firmware supports VHT rate configuration, we can use this
information received in set bitrate mask handler.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Amitkumar Karwar [Sat, 8 Mar 2014 03:41:27 +0000 (19:41 -0800)]
mwifiex: add VHT MCS rate configuration support
During Tx rate configuration, newer firmware V15 expects bitmap
for VHT MCS rates as well.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Amitkumar Karwar [Sat, 8 Mar 2014 03:41:26 +0000 (19:41 -0800)]
mwifiex: extract firmware API version number
The firmware API version number will be used for future patches
to support different firmware API specs.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Alexey Khoroshilov [Fri, 7 Mar 2014 21:11:49 +0000 (01:11 +0400)]
p54usb: fix leaks at failure path in p54u_probe()
If p54u_load_firmware() fails, p54u_probe() does not deallocate
already allocated resources. The patch adds proper failure handling.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Fri, 14 Mar 2014 18:33:19 +0000 (14:33 -0400)]
Merge branch 'for-john' of git://git./linux/kernel/git/iwlwifi/iwlwifi-fixes
John W. Linville [Fri, 14 Mar 2014 18:25:53 +0000 (14:25 -0400)]
Merge branch 'for-linville' of git://github.com/kvalo/ath
Larry Finger [Mon, 10 Mar 2014 23:53:10 +0000 (18:53 -0500)]
rtlwifi: rtl8723be: Fix array dimension problems
Commit
a619d1abe20c leads to the following static checker warning:
drivers/net/wireless/rtlwifi/rtl8723be/phy.c:667 _rtl8723be_store_tx_power_by_rate()
error: buffer overflow 'rtlphy->tx_power_by_rate_offset[band]' 4 <= 5
This warning arises because the code is testing the indices for the wrong maximum
values. In addition, the tests merely putput a warning, and then procedes to
corrupt memory. With this change, any such invalid memory access is avoided.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Thu, 13 Mar 2014 17:08:27 +0000 (13:08 -0400)]
wlan-ng: fixup staging driver for removal of ieee80211_dsss_chan_to_freq
Commit
3ebe8e257307 ("ieee80211: remove function
ieee80211_{dsss_chan_to_freq, freq_to_dsss_chan}") removed
ieee80211_dsss_chan_to_freq, but it neglected to account for this
staging driver...
Cc: Zhao, Gang <gamerh2o@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Thu, 13 Mar 2014 16:53:52 +0000 (12:53 -0400)]
rtl8821ae: fixup staging driver for revised ieee80211_is_robust_mgmt_frame
Commit
d8ca16db6bb2 ("mac80211: add length check in
ieee80211_is_robust_mgmt_frame()") changed that API to take an skb,
and added "_ieee80211_is_robust_mgmt_frame" as a direct replacement
for the older API. This is the same fix that was applied to the other
rtlwifi drivers in that commit.
Cc: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Thu, 13 Mar 2014 15:11:49 +0000 (11:11 -0400)]
Revert "Revert "Staging: rtl8812ae: remove modules field of rate_control_ops""
This reverts commit
161d7855543520cde5f49df788b0ea0553a9f83a.
Reversal of fortune -- I thought this was going to be resolved by other
means, but that hasn't materialized. Plus, apparently we now care more
than I realized about not breaking staging drivers...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Emmanuel Grumbach [Mon, 10 Mar 2014 13:22:03 +0000 (15:22 +0200)]
iwlwifi: dvm: take mutex when sending SYNC BT config command
There is a flow in which we send the host command in SYNC
mode, but we don't take priv->mutex.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=
1046495
Cc: <stable@vger.kernel.org>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Mark A. Greer [Mon, 10 Mar 2014 18:56:25 +0000 (11:56 -0700)]
NFC: trf7970a: Add DTS Documentation
Describe the properies used by the trf7970a
RFID/NFC/15693 transceiver driver.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Mark A. Greer [Mon, 10 Mar 2014 18:56:24 +0000 (11:56 -0700)]
NFC: trf7970a: Add ISO/IEC 15693 and Type 5 tag Support
Add support for ISO/IEC 15693 RF technology and Type 5 tags.
Note that Type 5 tags used to be referred to as Type V tags.
CC: Erick Macias <emacias@ti.com>
CC: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Mark A. Greer [Mon, 10 Mar 2014 18:56:23 +0000 (11:56 -0700)]
NFC: trf7970a: Add support for Type 4A Tags
Add support for Type 4A Tags which includes
supporting the underlying ISO/IEC 14443-A
protocol.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Mark A. Greer [Mon, 10 Mar 2014 18:56:22 +0000 (11:56 -0700)]
NFC: trf7970a: Add driver with ISO/IEC 14443 Type 2 Tag Support
Add a driver for the Texas Instruments TRF7970a RFID/NFC/15693
transceiver. The driver currently supports ISO/IEC 14443 Type 2
tags only (MIFARE Ultralight and Ultralight C but not Classic).
CC: Erick Macias <emacias@ti.com>
CC: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Mark A. Greer [Thu, 6 Mar 2014 14:39:19 +0000 (07:39 -0700)]
NFC: digital: Rename Type V tags to Type 5 tags
According to the latest draft specification from
the NFC-V committee, ISO/IEC 15693 tags will be
referred to as "Type 5" tags and not "Type V"
tags anymore. Make the code reflect the new
terminology.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Marek Puzyniak [Wed, 5 Mar 2014 12:10:33 +0000 (13:10 +0100)]
ath10k: do not overwrite max_antenna_gain
Seems like we have an old bug, where we incidently overwrites
the max_antenna_gain we pass to firmware, with zero value.
End of all we are artifically reducing the output power.
This patch removes the excessive assignment on max_antenna_gain,
which is being provided by regulatory domain, and consequently
improves the tx power.
Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Ben Greear [Mon, 3 Mar 2014 22:07:09 +0000 (14:07 -0800)]
ath10k: support msdu chaining
Consolidate the list of msdu skbs into the msdu-head skb, delete the
rest of the skbs, pass the msdu-head skb on up the stack as normal.
Tested with high-speed TCP and UDP traffic on modified firmware that
supports raw-rx.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Yogesh Ashok Powar [Thu, 6 Mar 2014 15:12:58 +0000 (20:42 +0530)]
mwl8k: mwl8k_update_survey can be static
It fixes following sparse check warning
>#make C=1 CF=-D__CHECK_ENDIAN__ drivers/net/wireless/mwl8k.o
>drivers/net/wireless/mwl8k.c:3089:6: warning: symbol 'mwl8k_update_survey' was not declared. Should it be static?
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
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>
Yogesh Ashok Powar [Thu, 6 Mar 2014 15:12:43 +0000 (20:42 +0530)]
mwl8k: le32_to_cpu cast to restricted
It fixes couple of sparse check
>#make C=1 CF=-D__CHECK_ENDIAN__ drivers/net/wireless/mwl8k.o
>drivers/net/wireless/mwl8k.c:3104:19: warning: cast to restricted __le32
>drivers/net/wireless/mwl8k.c:3108:18: warning: cast to restricted __le32
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
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>
Hante Meuleman [Thu, 6 Mar 2014 09:16:12 +0000 (10:16 +0100)]
brcmfmac: Use atomic functions for intstatus update.
The intstatus in sdio code can be updated from different
threads. To protect intstatus access, atomic functions are
used. One of them is set_bit, but this function is not
guaranteed atomic on all platforms. The loop was replaced
with local created OR function.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Arend van Spriel [Thu, 6 Mar 2014 09:16:11 +0000 (10:16 +0100)]
Revert "brcmfmac: Use atomic functions for intstatus update."
This reverts commit
c98db0bec72ac7ef127119c1ed962d6f56802b12.
The function atomic_set_mask() is not architecture independent
so it can not be used in the driver as is.
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Wed, 5 Mar 2014 23:26:01 +0000 (17:26 -0600)]
rtlwifi: rtl8723be: Fix smatch warnings
Smatch reports the following:
drivers/net/wireless/rtlwifi/rtl8723be/fw.c:208 _rtl8723be_fill_h2c_command() warn: variable dereferenced before check 'rtlhal' (see line 69)
drivers/net/wireless/rtlwifi/rtl8723be/hw.c:1732 _rtl8723be_read_adapter_info() error: __builtin_memcpy() '&rtlefuse->efuse_map[0][0]' too small (256 vs 512)
The first one is fixed by removing two pointless tests for NULL pointers.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Wed, 5 Mar 2014 23:26:00 +0000 (17:26 -0600)]
rtlwifi: rtl8723be: Fix sparse errors
Sparse reports the following:
drivers/net/wireless/rtlwifi/rtl8723be/sw.c:374:14: sparse: duplicate const
drivers/net/wireless/rtlwifi/rtl8723be/hw.c:2214:30: sparse: cast to restricted __le32
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Wed, 5 Mar 2014 23:25:59 +0000 (17:25 -0600)]
rtlwifi: rtl8192ce: Handle unused switch case
This patch prevents log spamming by adding a case for a previously
unhandled case.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Tue, 4 Mar 2014 22:53:53 +0000 (16:53 -0600)]
rtlwifi: rtl8723ae: Fix too long disable of IRQs
In commit
f78bccd79ba3cd9d9664981b501d57bdb81ab8a4 entitled "rtlwifi:
rtl8192ce: Fix too long disable of IRQs", Olivier Langlois
<olivier@trillion01.com> fixed a problem caused by an extra long disabling
of interrupts. This patch makes the same fix for rtl8723ae.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Tue, 4 Mar 2014 22:53:52 +0000 (16:53 -0600)]
rtlwifi: rtl8188ee: Fix too long disable of IRQs
In commit
f78bccd79ba3cd9d9664981b501d57bdb81ab8a4 entitled "rtlwifi:
rtl8192ce: Fix too long disable of IRQs", Olivier Langlois
<olivier@trillion01.com> fixed a problem caused by an extra long disabling
of interrupts. This patch makes the same fix for rtl8188ee.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Tue, 4 Mar 2014 22:53:51 +0000 (16:53 -0600)]
rtlwifi: rtl8192se: Fix too long disable of IRQs
In commit
f78bccd79ba3cd9d9664981b501d57bdb81ab8a4 entitled "rtlwifi:
rtl8192ce: Fix too long disable of IRQs", Olivier Langlois
<olivier@trillion01.com> fixed a problem caused by an extra long disabling
of interrupts. This patch makes the same fix for rtl8192se.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Tue, 4 Mar 2014 22:53:50 +0000 (16:53 -0600)]
rtlwifi: rtl8192cu: Fix too long disable of IRQs
In commit
f78bccd79ba3cd9d9664981b501d57bdb81ab8a4 entitled "rtlwifi:
rtl8192ce: Fix too long disable of IRQs", Olivier Langlois
<olivier@trillion01.com> fixed a problem caused by an extra long disabling
of interrupts. This patch makes the same fix for rtl8192cu.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Tue, 4 Mar 2014 22:53:49 +0000 (16:53 -0600)]
rtlwifi: rtl8723be: rtl8723com: Remove unused allow_all_destaddr functions
In a previous commit, Peter Wu removed this call as configure_filter takes care
of setting/clearing RCR_AAP. This patch makes the same change for rtl8723be.
In addition, a change is made in the logging level for one debug printout.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Tue, 4 Mar 2014 22:53:48 +0000 (16:53 -0600)]
rtlwifi: Move common routines to core
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Tue, 4 Mar 2014 22:53:47 +0000 (16:53 -0600)]
rtlwifi: rtl8192ce: rtl8192cu: rtl8192de: rtl8192se: rtl8723ae: rtl8723be: rtl8188eu: Modify for new API
The addition of a driver for the RTL8821AE requires a new API for the
fill_tx_desc() and set_desc() callback routines. This commit makes the
appropriate modifications in all the other drivers.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Stanislaw Gruszka [Tue, 4 Mar 2014 13:18:42 +0000 (14:18 +0100)]
iwl4965: disable 8K A-MSDU by default
iwlegacy version of this iwlwifi patch:
commit
aed7d9ac1836defe033b561f4306e39014ac56fd
Author: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Wed Feb 20 11:33:00 2013 +0200
iwlwifi: disable 8K A-MSDU by default
Supporting 8K A-MSDU means that we need to allocate order 1
pages for every Rx packet. Even when there is no traffic.
This adds stress on the memory manager. The handling of
compound pages is also less trivial for the memory manager
and not using them will make the allocation code run faster
although I didn't really measure.
Eric also pointed out that having huge buffers with little
data in them is not very nice towards the TCP stack since
the truesize of the skb is huge. This doesn't allow TCP
to have a big Rx window.
See https://patchwork.kernel.org/patch/
2167711/ for details.
Note that very few vendors will actually send A-MSDU.
Disable this feature by default.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Surendra Patil [Tue, 4 Mar 2014 08:18:52 +0000 (00:18 -0800)]
Drivers:net:wireless:ti:wl1251: Fixed Sparse invalid assignment warning
Sparse warns about invalid assignment in
drivers/net/wireless/ti/wl1251/cmd.c:451:42: warning: invalid assignment: |=
drivers/net/wireless/ti/wl1251/cmd.c:451:42: left side has type restricted __le16
drivers/net/wireless/ti/wl1251/cmd.c:451:42: right side has type int
Hence type converted right side to __le16.
Signed-off-by: Surendra Patil <surendra.tux@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Fri, 28 Feb 2014 21:16:50 +0000 (15:16 -0600)]
rtlwifi: rtl8723be: Add new driver
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Fri, 28 Feb 2014 21:16:49 +0000 (15:16 -0600)]
rtlwifi: rtl8723ae: rtl8723-common: Copy common dynamic power management code
The drivers for RTL8723AE and RTL8723BE have some code in common.
This commit copies the common power management routines into the shared
code.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Fri, 28 Feb 2014 21:16:48 +0000 (15:16 -0600)]
rtlwifi: rtl8723ae: rtl8723-common: Copy common firmware code
The drivers for RTL8723AE and RTL8723BE have some code in common.
This commit copies the common firmware routines into the shared
code.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Fri, 28 Feb 2014 21:16:47 +0000 (15:16 -0600)]
rtlwifi: rtl8723ae: rtl8723-common: Create new driver for common code
The drivers for RTL8723AE and RTL8723BE have some code in common.
This commit creates a driver for this code that will be shared, and
copies those common routines from rtl8723ae's phy code.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Fri, 28 Feb 2014 21:16:46 +0000 (15:16 -0600)]
rtlwifi: Prepare existing drivers for new driver
A driver for the RTL8723BE will soon be added. This patch adds the
necessary parts to the common headers, and modifies the existing
drivers for those changes.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Fri, 28 Feb 2014 21:16:43 +0000 (15:16 -0600)]
rtlwifi: btcoexist: Add new mini driver
A new driver in the rtlwifi family for the RTL8723BE will soon be added.
The bluetooth coexistence code for this device has been split into a separate
mini driver as it will be shared with other devices. This commit adds the
the headers and sources, and modifies Kconfig and Makefile to configure and
build this driver.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
andrea merello [Tue, 18 Feb 2014 01:10:46 +0000 (02:10 +0100)]
rtl818x: make sure TX descriptor writes are done before kicking DMA
The TX descriptors are consumed by the HW using DMA.
Even if in the driver code the TX descriptor writes appears before
the HW "dma kick" register writes, the CPU may reorder them.
If this happens, the TX may not happen at all becase the "valid"
descriptor flag may have not been set yet.
This patch adds a write memory barrier to ensures the TX
descriptor is written before writing to the HW "dma kick" register.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
andrea merello [Tue, 18 Feb 2014 01:10:45 +0000 (02:10 +0100)]
rtl818x: Make sure the TX descriptor "valid" flag is written by last
The TX descriptors are consumed by the HW using DMA.
Even if in the driver code the memory write that sets the "valid"
flag appears after all other writes, the CPU may reorder writes,
causing the HW to consider as valid a not-fully-written yet
descriptor.
This may cause HW incorrect behaviour.
This can happen because (AFAIK) the HW may attempt DMA
asynchronously without waiting to be kicked by the following
register write.
This patch adds a write memory barrier to enforce writes ordering.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Tue, 4 Mar 2014 18:05:12 +0000 (13:05 -0500)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless
Conflicts:
drivers/net/wireless/ath/ath9k/recv.c
drivers/net/wireless/mwifiex/pcie.c
Oren Givon [Tue, 4 Mar 2014 12:47:39 +0000 (14:47 +0200)]
iwlwifi: fix and add 7265 series HW IDs
Update of the HW IDs for the 7265 series.
Signed-off-by: Oren Givon <oren.givon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Emmanuel Grumbach [Tue, 4 Mar 2014 08:28:23 +0000 (10:28 +0200)]
iwlwifi: mvm: don't WARN when statistics are handled late
Since the statistics handler is asynchrous, it can very well
be that we will handle the statistics (hence the RSSI
fluctuation) when we already disassociated.
Don't WARN on this case.
This solves: https://bugzilla.redhat.com/show_bug.cgi?id=
1071998
Cc: <stable@vger.kernel.org> [3.10+]
Fixes:
2b76ef13086f ("iwlwifi: mvm: implement reduced Tx power")
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Vladimir Kondratiev [Sun, 2 Mar 2014 09:20:51 +0000 (11:20 +0200)]
wil6210: fix smatch warning in wil_cfg80211_get_station()
Smatch suggests to propagate error code from wil_find_cid(), and, indeed,
it is a good idea.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Vladimir Kondratiev [Sun, 2 Mar 2014 09:20:50 +0000 (11:20 +0200)]
wil6210: fix buffer overflow in wil_txdesc_debugfs_show()
Wrong index comparison logic, found by smatch:
drivers/net/wireless/ath/wil6210/debugfs.c:402 wil_txdesc_debugfs_show() warn: buffer overflow 'wil->vring_tx' 24 <= 24
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ivaylo Dimitrov [Sat, 1 Mar 2014 12:52:06 +0000 (14:52 +0200)]
wl1251: use skb_trim to make skb shorter
the current code is directly setting skb->len, which is not correct and
brings problems with HAVE_EFFICIENT_UNALIGNED_ACCESS enabled in config
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Zhao, Gang [Sat, 1 Mar 2014 06:26:29 +0000 (14:26 +0800)]
wireless: Kconfig: add missing dependency
Previous driver changes to airo, atmel, wl3501_cs, and usb_zd1201 need
to include <net/cfg80211.h>, which depends on CFG80211, so add the
missing dependency.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Zhao, Gang <gamerh2o@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Fri, 28 Feb 2014 18:02:25 +0000 (19:02 +0100)]
ath9k_hw: tweak noise immunity thresholds for older chipsets
Older chipsets are more sensitive to high PHY error counts, and the
current noise immunity thresholds were based on tests run at QCA with
newer chipsets.
This patch brings back the values from the old ANI implementation for
old chipsets, and it also disables weak signal detection on an earlier
noise immunity level, to improve overall radio stability on affected
devices.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>