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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts:
drivers/net/wireless/brcm80211/brcmfmac/sdio_host.h
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
drivers/net/wireless/iwlwifi/pcie/drv.c
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On the ternary expression the 'e' variable could be NULL dereferenced,
when b43_nphy_get_rf_ctl_over_rev7 function returns NULL.
Signed-off-by: Felipe Pena <felipensp@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Polling TX statuses too frequently has two negative effects. First is
randomly peek CPU usage, causing overall system functioning delays.
Second bad effect is that device is not able to fill TX statuses in
H/W register on some workloads and we get lot of timeouts like below:
ieee80211 phy4: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 7 in queue 2
ieee80211 phy4: rt2800usb_entry_txstatus_timeout: Warning - TX status timeout for entry 7 in queue 2
ieee80211 phy4: rt2800usb_txdone: Warning - Got TX status for an empty queue 2, dropping
This not only cause flood of messages in dmesg, but also bad throughput,
since rate scaling algorithm can not work optimally.
In the future, we should probably make polling interval be adjusted
automatically, but for now just increase values, this make mentioned
problems gone.
Resolve:
https://bugzilla.kernel.org/show_bug.cgi?id=62781
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix random kernel panic with below messages when remove dongle.
[ 2212.355447] BUG: unable to handle kernel NULL pointer dereference at 0000000000000250
[ 2212.355527] IP: [<ffffffffa02667f2>] rt2x00usb_kick_tx_entry+0x12/0x160 [rt2x00usb]
[ 2212.355599] PGD 0
[ 2212.355626] Oops: 0000 [#1] SMP
[ 2212.355664] Modules linked in: rt2800usb rt2x00usb rt2800lib crc_ccitt rt2x00lib mac80211 cfg80211 tun arc4 fuse rfcomm bnep snd_hda_codec_realtek snd_hda_intel snd_hda_codec btusb uvcvideo bluetooth snd_hwdep x86_pkg_temp_thermal snd_seq coretemp aesni_intel aes_x86_64 snd_seq_device glue_helper snd_pcm ablk_helper videobuf2_vmalloc sdhci_pci videobuf2_memops videobuf2_core sdhci videodev mmc_core serio_raw snd_page_alloc microcode i2c_i801 snd_timer hid_multitouch thinkpad_acpi lpc_ich mfd_core snd tpm_tis wmi tpm tpm_bios soundcore acpi_cpufreq i915 i2c_algo_bit drm_kms_helper drm i2c_core video [last unloaded: cfg80211]
[ 2212.356224] CPU: 0 PID: 34 Comm: khubd Not tainted 3.12.0-rc3-wl+ #3
[ 2212.356268] Hardware name: LENOVO 3444CUU/3444CUU, BIOS G6ET93WW (2.53 ) 02/04/2013
[ 2212.356319] task: ffff880212f687c0 ti: ffff880212f66000 task.ti: ffff880212f66000
[ 2212.356392] RIP: 0010:[<ffffffffa02667f2>] [<ffffffffa02667f2>] rt2x00usb_kick_tx_entry+0x12/0x160 [rt2x00usb]
[ 2212.356481] RSP: 0018:ffff880212f67750 EFLAGS: 00010202
[ 2212.356519] RAX: 000000000000000c RBX: 000000000000000c RCX: 0000000000000293
[ 2212.356568] RDX: ffff8801f4dc219a RSI: 0000000000000000 RDI: 0000000000000240
[ 2212.356617] RBP: ffff880212f67778 R08: ffffffffa02667e0 R09: 0000000000000002
[ 2212.356665] R10: 0001f95254ab4b40 R11: ffff880212f675be R12: ffff8801f4dc2150
[ 2212.356712] R13: 0000000000000000 R14: ffffffffa02667e0 R15: 000000000000000d
[ 2212.356761] FS: 0000000000000000(0000) GS:ffff88021e200000(0000) knlGS:0000000000000000
[ 2212.356813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2212.356852] CR2: 0000000000000250 CR3: 0000000001a0c000 CR4: 00000000001407f0
[ 2212.356899] Stack:
[ 2212.356917] 000000000000000c ffff8801f4dc2150 0000000000000000 ffffffffa02667e0
[ 2212.356980] 000000000000000d ffff880212f677b8 ffffffffa03a31ad ffff8801f4dc219a
[ 2212.357038] ffff8801f4dc2150 0000000000000000 ffff8800b93217a0 ffff8801f49bc800
[ 2212.357099] Call Trace:
[ 2212.357122] [<ffffffffa02667e0>] ? rt2x00usb_interrupt_txdone+0x90/0x90 [rt2x00usb]
[ 2212.357174] [<ffffffffa03a31ad>] rt2x00queue_for_each_entry+0xed/0x170 [rt2x00lib]
[ 2212.357244] [<ffffffffa026701c>] rt2x00usb_kick_queue+0x5c/0x60 [rt2x00usb]
[ 2212.357314] [<ffffffffa03a3682>] rt2x00queue_flush_queue+0x62/0xa0 [rt2x00lib]
[ 2212.357386] [<ffffffffa03a2930>] rt2x00mac_flush+0x30/0x70 [rt2x00lib]
[ 2212.357470] [<ffffffffa04edded>] ieee80211_flush_queues+0xbd/0x140 [mac80211]
[ 2212.357555] [<ffffffffa0502e52>] ieee80211_set_disassoc+0x2d2/0x3d0 [mac80211]
[ 2212.357645] [<ffffffffa0506da3>] ieee80211_mgd_deauth+0x1d3/0x240 [mac80211]
[ 2212.357718] [<ffffffff8108b17c>] ? try_to_wake_up+0xec/0x290
[ 2212.357788] [<ffffffffa04dbd18>] ieee80211_deauth+0x18/0x20 [mac80211]
[ 2212.357872] [<ffffffffa0418ddc>] cfg80211_mlme_deauth+0x9c/0x140 [cfg80211]
[ 2212.357913] [<ffffffffa041907c>] cfg80211_mlme_down+0x5c/0x60 [cfg80211]
[ 2212.357962] [<ffffffffa041cd18>] cfg80211_disconnect+0x188/0x1a0 [cfg80211]
[ 2212.358014] [<ffffffffa04013bc>] ? __cfg80211_stop_sched_scan+0x1c/0x130 [cfg80211]
[ 2212.358067] [<ffffffffa03f8954>] cfg80211_leave+0xc4/0xe0 [cfg80211]
[ 2212.358124] [<ffffffffa03f8d1b>] cfg80211_netdev_notifier_call+0x3ab/0x5e0 [cfg80211]
[ 2212.358177] [<ffffffff815140f8>] ? inetdev_event+0x38/0x510
[ 2212.358217] [<ffffffff81085a94>] ? __wake_up+0x44/0x50
[ 2212.358254] [<ffffffff8155995c>] notifier_call_chain+0x4c/0x70
[ 2212.358293] [<ffffffff81081156>] raw_notifier_call_chain+0x16/0x20
[ 2212.358361] [<ffffffff814b6dd5>] call_netdevice_notifiers_info+0x35/0x60
[ 2212.358429] [<ffffffff814b6ec9>] __dev_close_many+0x49/0xd0
[ 2212.358487] [<ffffffff814b7028>] dev_close_many+0x88/0x100
[ 2212.358546] [<ffffffff814b8150>] rollback_registered_many+0xb0/0x220
[ 2212.358612] [<ffffffff814b8319>] unregister_netdevice_many+0x19/0x60
[ 2212.358694] [<ffffffffa04d8eb2>] ieee80211_remove_interfaces+0x112/0x190 [mac80211]
[ 2212.358791] [<ffffffffa04c585f>] ieee80211_unregister_hw+0x4f/0x100 [mac80211]
[ 2212.361994] [<ffffffffa03a1221>] rt2x00lib_remove_dev+0x161/0x1a0 [rt2x00lib]
[ 2212.365240] [<ffffffffa0266e2e>] rt2x00usb_disconnect+0x2e/0x70 [rt2x00usb]
[ 2212.368470] [<ffffffff81419ce4>] usb_unbind_interface+0x64/0x1c0
[ 2212.371734] [<ffffffff813b446f>] __device_release_driver+0x7f/0xf0
[ 2212.374999] [<ffffffff813b4503>] device_release_driver+0x23/0x30
[ 2212.378131] [<ffffffff813b3c98>] bus_remove_device+0x108/0x180
[ 2212.381358] [<ffffffff813b0565>] device_del+0x135/0x1d0
[ 2212.384454] [<ffffffff81417760>] usb_disable_device+0xb0/0x270
[ 2212.387451] [<ffffffff8140d9cd>] usb_disconnect+0xad/0x1d0
[ 2212.390294] [<ffffffff8140f6cd>] hub_thread+0x63d/0x1660
[ 2212.393034] [<ffffffff8107c860>] ? wake_up_atomic_t+0x30/0x30
[ 2212.395728] [<ffffffff8140f090>] ? hub_port_debounce+0x130/0x130
[ 2212.398412] [<ffffffff8107baa0>] kthread+0xc0/0xd0
[ 2212.401058] [<ffffffff8107b9e0>] ? insert_kthread_work+0x40/0x40
[ 2212.403639] [<ffffffff8155de3c>] ret_from_fork+0x7c/0xb0
[ 2212.406193] [<ffffffff8107b9e0>] ? insert_kthread_work+0x40/0x40
[ 2212.408732] Code: 24 58 08 00 00 bf 80 00 00 00 e8 3a c3 e0 e0 5b 41 5c 5d c3 0f 1f 44 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 <48> 8b 47 10 48 89 fb 4c 8b 6f 28 4c 8b 20 49 8b 04 24 4c 8b 30
[ 2212.414671] RIP [<ffffffffa02667f2>] rt2x00usb_kick_tx_entry+0x12/0x160 [rt2x00usb]
[ 2212.417646] RSP <ffff880212f67750>
[ 2212.420547] CR2: 0000000000000250
[ 2212.441024] ---[ end trace 5442918f33832bce ]---
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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RSSI value is provided on word3 not on word2.
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The regression was introduced in the following commit:
0967e01e8e713ed2982fb4eba8ba13794e9a6e89
"ath5k: make use of the new rate control API"
ath5k_tx_frame_completed saves the intended per-rate retry counts before
they are cleared by ieee80211_tx_info_clear_status, however at this
point the information in info->status.rates is incomplete.
This causes significant throughput degradation and excessive packet loss
on links where high bit rates don't work properly.
Move the copy from bf->rates a few lines up to ensure that the saved
retry counts are updated, and that they are really cleared in
info->status.rates after the call to ieee80211_tx_info_clear_status.
Cc: stable@vger.kernel.org # 3.10+
Cc: Thomas Huehn <thomas@net.t-labs.tu-berlin.de>
Cc: Benjamin Vahl <bvahl@net.t-labs.tu-berlin.de>
Reported-by: Ben West <ben@gowasabi.net>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Thomas Huehn <thomas@net.t-labs.tu-berlin.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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Some APs (notably a Sitecom WL-153 v1 with firmware 1.45) are sending
invalid WMM parameters setting AIFSN, ECWmin and ECWmax to zero. The
spec mandates that the value of AIFSN is at least 2, and some cards
(e.g. Intel with the iwldvm driver) can't transmit when the invalid
QoS parameters are actually uploaded to the firmware.
Since there's little chance of being able to guess the values that
the AP actually meant, disable WMM if such an invalid case is found.
Since ECWmin/ECWmax are allowed to be zero, only verify AIFSN >= 2
and ECWmin <= ECWmax.
Reviewed-by: Eliad Peller <eliad@wizery.com>
Reported-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Bitrate mask were not respected in transmissions, causing (for
example) P2P GO/client to use CCK rates for auth and assoc frames.
Fix it by considering the rate mask in __rate_control_send_low().
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Transmissions with the IEEE80211_TX_CTL_NO_CCK_RATE flag set
(which can come from userspace) were no longer guaranteed to
be transmitted with allowed rates since commit 2103dec14792b
("mac80211: select and adjust bitrates according to channel
mode") due to a missing rate_flags check in that commit. The
commit also introduced the need to check the 5/10 MHz flags
but accidentally didn't. Fix it by adding the missing check.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
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Since we set IEEE80211_HW_QUEUE_CONTROL, we can let
mac80211 do the queue assignement and don't need to
override its decisions.
While reassiging the same values is harmless of course,
it triggered a WARNING when iwlwifi and mac80211 came
to different conclusions. This happened when mac80211 set
IEEE80211_TX_CTL_SEND_AFTER_DTIM, but didn't route the
packet to the cab_queue because no stations were asleep.
iwlwifi should not override mac80211's decicions for
offchannel packets and packets to be sent after DTIM,
but it should override mac80211's decision for AMPDUs
since we have a special queue for them. So for AMPDU,
we still override info->hw_queue by the AMPDU queue.
This avoids:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2531 at drivers/net/wireless/iwlwifi/dvm/tx.c:456 iwlagn_tx_skb+0x6c5/0x883()
Modules linked in:
CPU: 0 PID: 2531 Comm: hostapd Not tainted 3.12.0-rc5+ #1
Hardware name: /D53427RKE, BIOS RKPPT10H.86A.0017.2013.0425.1251 04/25/2013
0000000000000000 0000000000000009 ffffffff8189aa62 0000000000000000
ffffffff8105a4f2 ffff880058339a48 ffffffff815f8a04 0000000000000000
ffff8800560097b0 0000000000000208 0000000000000000 ffff8800561a9e5e
Call Trace:
[<ffffffff8189aa62>] ? dump_stack+0x41/0x51
[<ffffffff8105a4f2>] ? warn_slowpath_common+0x78/0x90
[<ffffffff815f8a04>] ? iwlagn_tx_skb+0x6c5/0x883
[<ffffffff815f8a04>] ? iwlagn_tx_skb+0x6c5/0x883
[<ffffffff818a0040>] ? put_cred+0x15/0x15
[<ffffffff815f6db4>] ? iwlagn_mac_tx+0x19/0x2f
[<ffffffff8186cc45>] ? __ieee80211_tx+0x226/0x29b
[<ffffffff8186e6bd>] ? ieee80211_tx+0xa6/0xb5
[<ffffffff8186e98b>] ? ieee80211_monitor_start_xmit+0x1e9/0x204
[<ffffffff8171ce5f>] ? dev_hard_start_xmit+0x271/0x3ec
[<ffffffff817351ac>] ? sch_direct_xmit+0x66/0x164
[<ffffffff8171d1bf>] ? dev_queue_xmit+0x1e5/0x3c8
[<ffffffff817fac5a>] ? packet_sendmsg+0xac5/0xb3d
[<ffffffff81709a09>] ? sock_sendmsg+0x37/0x52
[<ffffffff810f9e0c>] ? __do_fault+0x338/0x36b
[<ffffffff81713820>] ? verify_iovec+0x44/0x94
[<ffffffff81709e63>] ? ___sys_sendmsg+0x1f1/0x283
[<ffffffff81140a73>] ? __inode_wait_for_writeback+0x67/0xae
[<ffffffff8111735e>] ? __cache_free.isra.46+0x178/0x187
[<ffffffff811173b1>] ? kmem_cache_free+0x44/0x84
[<ffffffff81132c22>] ? dentry_kill+0x13d/0x149
[<ffffffff81132f6f>] ? dput+0xe5/0xef
[<ffffffff81136e04>] ? fget_light+0x2e/0x7c
[<ffffffff8170ae62>] ? __sys_sendmsg+0x39/0x57
[<ffffffff818a7e39>] ? system_call_fastpath+0x16/0x1b
---[ end trace 1b3eb79359c1d1e6 ]---
Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This fix is related to a scan request when associated (bgscan).
FW expects suspend time parameter in micro seconds while the driver
provides a value in time units. This bug leads to a high traffic
latency when scan is requested while traffic is in progress.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When we restart firmware and it is marked as not alive, we can still get
calls from mac80211. Don't WARN on in this situation as this triggers
automatic bug reports with no valuable information.
This continuation of:
commit 8ca95995e64f5d270889badb3e449dca91106a2b
Author: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Sun Sep 15 11:37:17 2013 +0300
iwlwifi: don't WARN on host commands sent when firmware is dead
which remove WARN_ONCE from one place, but those warnings are also
triggered from other functions.
Patch also adds unlikely() statement.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In certain corner cases in the firmware implementation, powersave
transitions can cause the firmware to miss the fact that commands
were added to the queue/FIFO and thus never processes them. Since
the commands really are in the queue, try to poke the firmware in
such cases (by grabbing NIC access, which wakes up the NIC) so it
notices the new command and processes it.
Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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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>
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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>
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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>
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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>
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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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The function contain code for SoC devices only.
Rename the function to 'rt2800soc_disable_radio'
and move it to the SoC specific section. Use
the renamed function in the SoC specific code
only and remove the 'if rt2x00_is_soc(rt2x00dev)'
condition from the function body.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The 'rt2800pci_set_state' function uses MCU commands
to set the device state, however these have no effect
on SoC devices. Use a different set_state callback
which does not use the MCU fcuntions.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use empty firmware callbacks for SoC devices because those
don't require firmware.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Rename the 'rt2800pci_read_eeprom_soc function' to
'rt2800soc_read_eeprom' and use that directly in the
SoC specific 'rt2800_ops' structure. Also move the
'rt2800pci_eeprom_read' function into an 'ifdef PCI'
section and remove the 'rt2800pci_read_eeprom_soc'
call from that.
Additionally, remove the dummy inline eeprom functions.
Those are not used anymore.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This makes it possible to use different callback
functions for PCI and SoC devices which will allow
to move the SoC driver into a separate module.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules. Also move
the queue register offset macros from rt2800pci.h
into rt2800mmio.h.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules. Also move
the RX descriptor related defines from rt2800pci.h
into rt2800mmio.h
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the functions into a separate module, in order
to make those usable from other modules. Also move
the TX descriptor related defines from rt2800pci.h
into rt2800mmio.h.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The functions are used for devices with memory
mapped I/O and contain no PCI specific code at
all. Use rt2800mmio prefix instead of rt2800pci
in the function names to reflect that.
The patch contains no functional changes.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Create a new module for common code which can be used
for rt2800 device with memory mapped I/O. It is an empty
module for now, but it will be populated by subsequent
patches.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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There is a typo where the checking for priv->ReAssociationRequestRetryCnt must
be, it was checking for priv->AssociationRequestRetryCnt instead.
Signed-off-by: Felipe Pena <felipensp@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If the SDIO host controller does not support scatter-gather the glom
superframe must be transfered from the device and the data for each
packet in the queue must be extracted from it.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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When running on a host controller that does not support scatter-gather
transfers the function brcmf_sdio_txpkt_prep() should not add tail
padding buffers.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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If the host does not support scatter-gather transmit the packets
in the pktq individually using brcmf_sdio_buffrw().
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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The function brcmf_sdcard_recv_chain() has been reworked with
commit "brcmfmac: add sdio sg list support", but the incr_fix
variable is only assigned but not used so removing it now.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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Not all calls to the function brcmf_sdio_addrprep() check
the return value, but it may fail so better verify it.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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The function brcmf_sdio_sglist_rw() does a different code path
when packet queue length is 1. Move this to a separate function
reducing overhead in the calling context.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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The function brcmf_sdio_buffrw() is intended to be used for
transfering list of packets using scatter-gather functionality.
Rename function to brcmf_sdio_sglist_rw() to clarify this.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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Moving a number of assignments outside of the loop as they are
the same for each request.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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Instead of determining the limits for scatter-gather MMC transfer
request upon each transmit it is now determined during the probe
of the SDIO function.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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The variable max_seg_sz in brcmf_sdio_buffrw() respresents the maximum
number of buffers that can be sent in one MMC transfer request. Rename
it to max_seg_cnt to avoid confusion.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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Having the SDPCM header information in the traces is a valuable
piece of information.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@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>
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The trace function trace_brcmf_hexdump() stores the length, but
having the address of the buffer being dumped helps putting it
in context.
Reviewed-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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