Translate the NL80211 channel type to a FW-specific channel type and send
it to the FW as part of the role-start command. For wl12xx this has no
effect - this element is treated as padding.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Track the current 802.11 channel type, defaulting to a NO_HT channel.
Update the channel type element when changed by mac80211.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Now wlcore requires the lower drivers to set the correct
configuration. Move the existing private configuration to the proper
place and add all generic configuration parameters.
The important changes are in Tx interrupt pacing and Rx BA window size.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Some chip families can checksum certain classes of Rx packets in FW.
Implement the Rx-checksum feature as a HW-op. For the 18xx chip-family,
set Rx-checsum according to indication from FW.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Some chip families are capable of checksumming certain classes of Tx
packets in HW. Indicate this fact in the netdev features and perform the
HW checksum by protocol type for the 18xx family.
Fix the location of the skb network header when we move it so we can
rely on it when setting the checksum.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Implement immediate Tx completion for the 18xx family. Move 18xx
specific Tx code to new tx.c/h files and create helper header files
for definitions.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Implement the 18xx-specific way for getting the length of a Rx packet.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Implement the HW op for getting alignment state in wl18xx. The FW aligns
the Rx Ethernet payload data.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
The wl18xx chip passes extra information in the firmware status to the
driver. Add a private data section to handle that.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Define HW-rate conversion tables for the 18xx chip. Initialize
the appropriate wlcore elements with these tables and values to allow
conversion of HW-rates.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Set the frame length during Tx in a way compatible with the 18xx FW.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Add the 18xx variant to the HW Tx descriptor union and set the 18xx
specific values during Tx.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Initialize the Tx spare block counts for all operating modes in the 18xx
card.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Initialize the number of Tx-descriptors for the 18xx family.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Make use of the wlcore provided private storage in the 18xx low-level
driver.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Add the operations that allow wlcore to trigger commands to the
firmware and acknowledge when an event has been fully received.
Allocate a private buffer to hold the maximum sized cmd. Send the
entire length of the buffer each time a command is sent to signal
EOT. Remove the previous EOT mechanism.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Implement the boot operation. Add a wl18xx-specific configuration
structure (namely to configure the mac and phy parameters).
The default hw configuration matches the DVP board.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Add identify_chip operation to detect the chip ID for wl185x and set
the correct firmware name.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Add the register table with the appropriate values for wl18xx.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
We don't have any chip-specific operations yet, but now wlcore has
defined an operations structure and requires the pointer to be set.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
At least in PG1, the wl18xx chips use the same SDIO vendor/device ID,
so it's not possible to figure out which driver is to be used. As a
workaround, we can check the SDIO revision number, because wl18xx uses
3.00 and wl12xx does not.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Add the wl18xx module and the probe functions. Use wlcore for the
main parts (not functional at this point due to differences in the
wl18xx initialization).
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
and provide a simple reserve/release mechanism for userspace tools to
access thin provisioning metadata while the pool is in use.
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Merge tag 'dm-3.5-changes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
Pull device-mapper updates from Alasdair G Kergon:
"Improve multipath's retrying mechanism in some defined circumstances
and provide a simple reserve/release mechanism for userspace tools to
access thin provisioning metadata while the pool is in use."
* tag 'dm-3.5-changes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
dm thin: provide userspace access to pool metadata
dm thin: use slab mempools
dm mpath: allow ioctls to trigger pg init
dm mpath: delay retry of bypassed pg
dm mpath: reduce size of struct multipath
This patch implements two new messages that can be sent to the thin
pool target allowing it to take a snapshot of the _metadata_. This,
read-only snapshot can be accessed by userland, concurrently with the
live target.
Only one metadata snapshot can be held at a time. The pool's status
line will give the block location for the current msnap.
Since version 0.1.5 of the userland thin provisioning tools, the
thin_dump program displays the msnap as follows:
thin_dump -m <msnap root> <metadata dev>
Available here: https://github.com/jthornber/thin-provisioning-tools
Now that userland can access the metadata we can do various things
that have traditionally been kernel side tasks:
i) Incremental backups.
By using metadata snapshots we can work out what blocks have
changed over time. Combined with data snapshots we can ensure
the data doesn't change while we back it up.
A short proof of concept script can be found here:
https://github.com/jthornber/thinp-test-suite/blob/master/incremental_backup_example.rb
ii) Migration of thin devices from one pool to another.
iii) Merging snapshots back into an external origin.
iv) Asyncronous replication.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Use dedicated caches prefixed with a "dm_" name rather than relying on
kmalloc mempools backed by generic slab caches so the memory usage of
thin provisioning (and any leaks) can be accounted for independently.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
After the failure of a group of paths, any alternative paths that
need initialising do not become available until further I/O is sent to
the device. Until this has happened, ioctls return -EAGAIN.
With this patch, new paths are made available in response to an ioctl
too. The processing of the ioctl gets delayed until this has happened.
Instead of returning an error, we submit a work item to kmultipathd
(that will potentially activate the new path) and retry in ten
milliseconds.
Note that the patch doesn't retry an ioctl if the ioctl itself fails due
to a path failure. Such retries should be handled intelligently by the
code that generated the ioctl in the first place, noting that some SCSI
commands should not be retried because they are not idempotent (XOR write
commands). For commands that could be retried, there is a danger that
if the device rejected the SCSI command, the path could be errorneously
marked as failed, and the request would be retried on another path which
might fail too. It can be determined if the failure happens on the
device or on the SCSI controller, but there is no guarantee that all
SCSI drivers set these flags correctly.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
If I/O needs retrying and only bypassed priority groups are available,
set the pg_init_delay_retry flag to wait before retrying.
If, for example, the reason for the bypass is that the controller is
getting reset or there is a firmware upgrade happening, retrying right
away would cause a flood of log messages and retries for what could be a
few seconds or even several minutes.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Move multipath structure's 'lock' and 'queue_size' members to eliminate
two 4-byte holes. Also use a bit within a single unsigned int for each
existing flag (saves 8-bytes). This allows future flags to be added
without each consuming an unsigned int.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Pull networking updates from David Miller:
1) Make syn floods consume significantly less resources by
a) Not pre-COW'ing routing metrics for SYN/ACKs
b) Mirroring the device queue mapping of the SYN for the SYN/ACK
reply.
Both from Eric Dumazet.
2) Fix calculation errors in Byte Queue Limiting, from Hiroaki SHIMODA.
3) Validate the length requested when building a paged SKB for a
socket, so we don't overrun the page vector accidently. From Jason
Wang.
4) When netlabel is disabled, we abort all IP option processing when we
see a CIPSO option. This isn't the right thing to do, we should
simply skip over it and continue processing the remaining options
(if any). Fix from Paul Moore.
5) SRIOV fixes for the mellanox driver from Jack orgenstein and Marcel
Apfelbaum.
6) 8139cp enables the receiver before the ring address is properly
programmed, which potentially lets the device crap over random
memory. Fix from Jason Wang.
7) e1000/e1000e fixes for i217 RST handling, and an improper buffer
address reference in jumbo RX frame processing from Bruce Allan and
Sebastian Andrzej Siewior, respectively.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
fec_mpc52xx: fix timestamp filtering
mcs7830: Implement link state detection
e1000e: fix Rapid Start Technology support for i217
e1000: look into the page instead of skb->data for e1000_tbi_adjust_stats()
r8169: call netif_napi_del at errpaths and at driver unload
tcp: reflect SYN queue_mapping into SYNACK packets
tcp: do not create inetpeer on SYNACK message
8139cp/8139too: terminate the eeprom access with the right opmode
8139cp: set ring address before enabling receiver
cipso: handle CIPSO options correctly when NetLabel is disabled
net: sock: validate data_len before allocating skb in sock_alloc_send_pskb()
bql: Avoid possible inconsistent calculation.
bql: Avoid unneeded limit decrement.
bql: Fix POSDIFF() to integer overflow aware.
net/mlx4_core: Fix obscure mlx4_cmd_box parameter in QUERY_DEV_CAP
net/mlx4_core: Check port out-of-range before using in mlx4_slave_cap
net/mlx4_core: Fixes for VF / Guest startup flow
net/mlx4_en: Fix improper use of "port" parameter in mlx4_en_event
net/mlx4_core: Fix number of EQs used in ICM initialisation
net/mlx4_core: Fix the slave_id out-of-range test in mlx4_eq_int
Pull straggler x86 fixes from Peter Anvin:
"Three groups of patches:
- EFI boot stub documentation and the ability to print error messages;
- Removal for PTRACE_ARCH_PRCTL for x32 (obsolete interface which
should never have been ported, and the port is broken and
potentially dangerous.)
- ftrace stack corruption fixes. I'm not super-happy about the
technical implementation, but it is probably the least invasive in
the short term. In the future I would like a single method for
nesting the debug stack, however."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, x32, ptrace: Remove PTRACE_ARCH_PRCTL for x32
x86, efi: Add EFI boot stub documentation
x86, efi; Add EFI boot stub console support
x86, efi: Only close open files in error path
ftrace/x86: Do not change stacks in DEBUG when calling lockdep
x86: Allow nesting of the debug stack IDT setting
x86: Reset the debug_stack update counter
ftrace: Use breakpoint method to update ftrace caller
ftrace: Synchronize variable setting with breakpoints
This reverts the tty layer change to use per-tty locking, because it's
not correct yet, and fixing it will require some more deep surgery.
The main revert is d29f3ef39b ("tty_lock: Localise the lock"), but
there are several smaller commits that built upon it, they also get
reverted here. The list of reverted commits is:
fde86d3108 - tty: add lockdep annotations
8f6576ad47 - tty: fix ldisc lock inversion trace
d3ca8b64b9 - pty: Fix lock inversion
b1d679afd7 - tty: drop the pty lock during hangup
abcefe5fc3 - tty/amiserial: Add missing argument for tty_unlock()
fd11b42e35 - cris: fix missing tty arg in wait_event_interruptible_tty call
d29f3ef39b - tty_lock: Localise the lock
The revert had a trivial conflict in the 68360serial.c staging driver
that got removed in the meantime.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
skb_defer_rx_timestamp was called with a freshly allocated skb but must
be called with rskb instead.
Signed-off-by: Stephan Gatzka <stephan@gatzka.org>
Cc: stable <stable@vger.kernel.org>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add .status callback that detects link state changes.
Tested with MCS7832CV-AA chip (9710:7830, identified as rev.C by the driver).
Fixes https://bugzilla.kernel.org/show_bug.cgi?id=28532
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull vfs fix and a fix from the signal changes for frv from Al Viro.
The __kernel_nlink_t for powerpc got scrogged because 64-bit powerpc
actually depended on the default "unsigned long", while 32-bit powerpc
had an explicit override to "unsigned short". Al didn't notice, and
made both of them be the unsigned short.
The frv signal fix is fallout from simplifying the do_notify_resume()
code, and leaving an extra parenthesis.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
powerpc: Fix size of st_nlink on 64bit
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal:
frv: Remove bogus closing parenthesis
commit e57f93cc53 (powerpc: get rid of nlink_t uses, switch to
explicitly-sized type) changed the size of st_nlink on ppc64 from
a long to a short, resulting in boot failures.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Introduced by commit 6fd84c0831
("TIF_RESTORE_SIGMASK can be set only when TIF_SIGPENDING is set")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The definition of I217_PROXY_CTRL must use the BM_PHY_REG() macro instead
of the PHY_REG() macro for PHY page 800 register 70 since it is for a PHY
register greater than the maximum allowed by the latter macro, and fix a
typo setting the I217_MEMPWR register in e1000_suspend_workarounds_ich8lan.
Also for clarity, rename a few defines as bit definitions instead of masks.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This is another fixup where the data is not transfered into buffer
addressed by skb->data but into a page.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Merge fixups for the mac NLS tables from Andrew.
* emailed from Andrew Morton, and one cleanup by me:
nls: fix (and rename) mac NLS table files and config options
fs/nls/Makefile: remove bogus CONFIG_ assignments
The config options in the Kconfig file (with _CODEPAGE_ in the name)
didn't match the config option name in the Makefile (no _CODEPAGE_).
And both of them were of the hard-to-read MACXYZZY variety, which made
them hard to parse for normal humans: MACROMAN easily reads as "macro
man", not as "Mac Roman".
So rename the options to be consistent, and be NLS_MAC_xyzzy. Rename
the files to be mac-xyzzy.c too, and drop the "nls" part entirely (it's
already in the directory name).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
These were debug things which snuck through.
Reported-by: Yinghai Lu <yinghai@kernel.org>
Cc: Vladimir Serbinenko <phcoder@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It includes:
- driver for AUO-K1900 and AUO-K1901 epaper controller
- large updates for OMAP (e.g. decouple HDMI audio and video)
- some updates for Exynos and SH Mobile
- various other small fixes and cleanups
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Merge tag 'fbdev-updates-for-3.5' of git://github.com/schandinat/linux-2.6
Pull fbdev updates from Florian Tobias Schandinat:
- driver for AUO-K1900 and AUO-K1901 epaper controller
- large updates for OMAP (e.g. decouple HDMI audio and video)
- some updates for Exynos and SH Mobile
- various other small fixes and cleanups
* tag 'fbdev-updates-for-3.5' of git://github.com/schandinat/linux-2.6: (130 commits)
video: bfin_adv7393fb: Fix cleanup code
video: exynos_dp: reduce delay time when configuring video setting
video: exynos_dp: move sw reset prioir to enabling sw defined function
video: exynos_dp: use devm_ functions
fb: handle NULL pointers in framebuffer release
OMAPDSS: HDMI: OMAP4: Update IRQ flags for the HPD IRQ request
OMAPDSS: Apply VENC timings even if panel is disabled
OMAPDSS: VENC/DISPC: Delay dividing Y resolution for managers connected to VENC
OMAPDSS: DISPC: Support rotation through TILER
OMAPDSS: VRFB: remove compiler warnings when CONFIG_BUG=n
OMAPFB: remove compiler warnings when CONFIG_BUG=n
OMAPDSS: remove compiler warnings when CONFIG_BUG=n
OMAPDSS: DISPC: fix usage of dispc_ovl_set_accu_uv
OMAPDSS: use DSI_FIFO_BUG workaround only for manual update displays
OMAPDSS: DSI: Support command mode interleaving during video mode blanking periods
OMAPDSS: DISPC: Update Accumulator configuration for chroma plane
drivers/video: fsl-diu-fb: don't initialize the THRESHOLDS registers
video: exynos mipi dsi: support reverse panel type
video: exynos mipi dsi: Properly interpret the interrupt source flags
video: exynos mipi dsi: Avoid races in probe()
...
- Updates to mxc_nand and gpmi drivers to support new boards and device tree
- Improve consistency of information about ECC strength in NAND devices
- Clean up partition handling of plat_nand
- Support NAND drivers without dedicated access to OOB area
- BCH hardware ECC support for OMAP
- Other fixes and cleanups, and a few new device IDs
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Merge tag 'for-linus-3.5-20120601' of git://git.infradead.org/linux-mtd
Pull mtd update from David Woodhouse:
- More robust parsing especially of xattr data in JFFS2
- Updates to mxc_nand and gpmi drivers to support new boards and device tree
- Improve consistency of information about ECC strength in NAND devices
- Clean up partition handling of plat_nand
- Support NAND drivers without dedicated access to OOB area
- BCH hardware ECC support for OMAP
- Other fixes and cleanups, and a few new device IDs
Fixed trivial conflict in drivers/mtd/nand/gpmi-nand/gpmi-nand.c due to
added include files next to each other.
* tag 'for-linus-3.5-20120601' of git://git.infradead.org/linux-mtd: (75 commits)
mtd: mxc_nand: move ecc strengh setup before nand_scan_tail
mtd: block2mtd: fix recursive call of mtd_writev
mtd: gpmi-nand: define ecc.strength
mtd: of_parts: fix breakage in Kconfig
mtd: nand: fix scan_read_raw_oob
mtd: docg3 fix in-middle of blocks reads
mtd: cfi_cmdset_0002: Slight cleanup of fixup messages
mtd: add fixup for S29NS512P NOR flash.
jffs2: allow to complete xattr integrity check on first GC scan
jffs2: allow to discriminate between recoverable and non-recoverable errors
mtd: nand: omap: add support for hardware BCH ecc
ARM: OMAP3: gpmc: add BCH ecc api and modes
mtd: nand: check the return code of 'read_oob/read_oob_raw'
mtd: nand: remove 'sndcmd' parameter of 'read_oob/read_oob_raw'
mtd: m25p80: Add support for Winbond W25Q80BW
jffs2: get rid of jffs2_sync_super
jffs2: remove unnecessary GC pass on sync
jffs2: remove unnecessary GC pass on umount
jffs2: remove lock_super
mtd: gpmi: add gpmi support for mx6q
...
Pull x86 platform driver updates from Matthew Garrett:
"Some significant improvements for the Sony driver on newer machines,
but other than that mostly just minor fixes and a patch to remove the
broken rfkill code from the Dell driver."
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (35 commits)
apple-gmux: Fix up the suspend/resume patch
dell-laptop: Remove rfkill code
toshiba_acpi: Fix mis-merge
dell-laptop: Add touchpad led support for Dell V3450
acer-wmi: add 3 laptops to video backlight vendor mode quirk table
sony-laptop: add touchpad enable/disable function
sony-laptop: add missing Fn key combos for 0x100 handlers
sony-laptop: add support for more WWAN modems
sony-laptop: new keyboard backlight handle
sony-laptop: add high speed battery charging function
sony-laptop: support automatic resume on lid open
sony-laptop: adjust error handling in finding SNC handles
sony-laptop: add thermal profiles support
sony-laptop: support battery care functions
sony-laptop: additional debug statements
sony-laptop: improve SNC initialization and acpi notify callback code
sony-laptop: use kstrtoul to parse sysfs values
sony-laptop: generalise ACPI calls into SNC functions
sony-laptop: fix return path when no ACPI buffer is allocated
sony-laptop: use soft rfkill status stored in hw
...
Pull slab updates from Pekka Enberg:
"Mainly a bunch of SLUB fixes from Joonsoo Kim"
* 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
slub: use __SetPageSlab function to set PG_slab flag
slub: fix a memory leak in get_partial_node()
slub: remove unused argument of init_kmem_cache_node()
slub: fix a possible memory leak
Documentations: Fix slabinfo.c directory in vm/slub.txt
slub: fix incorrect return type of get_any_partial()
