For operation in cabling environments that are incompatible with
1000BASE-T, PHY device may provide an automatic link speed downshift
operation. When enabled, the device automatically changes its 1000BASE-T
auto-negotiation to the next slower speed after a configured number of
failed attempts at 1000BASE-T. This feature is useful in setting up in
networks using older cable installations that include only pairs A and B,
and not pairs C and D.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Signed-off-by: Allan W. Nielsen <allan.nielsen@microsemi.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adding get_tunable/set_tunable function pointer to the phy_driver
structure, and uses these function pointers to implement the
ETHTOOL_PHY_GTUNABLE/ETHTOOL_PHY_STUNABLE ioctls.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Allan W. Nielsen <allan.nielsen@microsemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Defines a generic API to get/set phy tunables. The API is using the
existing ethtool_tunable/tunable_type_id types which is already being used
for mac level tunables.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Allan W. Nielsen <allan.nielsen@microsemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Saeed Mahameed says:
====================
Mellanox 100G mlx5 update 2016-11-15
This series contains four humble mlx5 features.
From Gal,
- Add the support for PCIe statistics and expose them in ethtool
From Huy,
- Add the support for port module events reporting and statistics
- Add the support for driver version setting into FW (for display purposes only)
From Mohamad,
- Extended the command interface cache flexibility
This series was generated against commit
6a02f5eb6a ("Merge branch 'mlxsw-i2c")
V2:
- Changed plain "unsigned" to "unsigned int"
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch exposes two groups of PCIe counters:
- Performance counters.
- Timers and states counters.
Queried with ethtool -S <devname>.
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If driver_version capability bit is enabled, set driver version
to firmware after the init HCA command, for display purposes.
Example of driver version: "Linux,mlx5_core,3.0-1"
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add driver_version capability bit is enabled, and set driver
version command in mlx5_ifc firmware header. The only purpose
of this command is to store a driver version/OS string in FW
to be reported and displayed in various management systems,
such as IPMI/BMC.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For each asynchronous port module event:
1. print with ratelimit to the dmesg log
2. increment the corresponding event counter
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add more cache command size sets and more entries for each set based on
the current commands set different sizes and commands frequency.
Fixes: e126ba97db ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull sound fixes from Takashi Iwai:
"Three trivial fixes:
A regression fix for ASRock mobo, a use-after-free fix at hot-unplug
of USB-audio, and a quirk for new Thinkpad models"
* tag 'sound-4.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Fix use-after-free of usb_device at disconnect
ALSA: hda - Fix mic regression by ASRock mobo fixup
ALSA: hda - add a new condition to check if it is thinkpad
Edward Cree says:
====================
sfc: Firmware-Assisted TSO version 2
The firmware on 8000 series SFC NICs supports a new TSO API ("FATSOv2"), and
7000 series NICs will also support this in an imminent release. This series
adds driver support for this TSO implementation.
The series also removes SWTSO, as it's now equivalent to GSO. This does not
actually remove very much code, because SWTSO was grotesquely intertwingled
with FATSOv1, which will also be removed once 7000 series supports FATSOv2.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
It gives no advantage over GSO now that xmit_more exists. If we find
ourselves unable to handle a TSO skb (because our TXQ doesn't have a
TSOv2 context and the NIC doesn't support TSOv1), hand it back to GSO.
Also do that if the TSO handler fails with EINVAL for any other reason.
As Falcon-architecture NICs don't support any firmware-assisted TSO,
they no longer advertise TSO feature flags at all.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If we fail to init the TXQ because of insufficient TSOv2 contexts,
try again with TSOv2 disabled.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for FATSOv2 to the driver. FATSOv2 offloads far more of the task
of TCP segmentation to the firmware, such that we now just pass a single
super-packet to the NIC. This means TSO has a great deal in common with a
normal DMA transmit, apart from adding a couple of option descriptors.
NIC-specific checks have been moved off the fast path and in to
initialisation where possible.
This also moves FATSOv1/SWTSO to a new file (tx_tso.c). The end of transmit
and some error handling is now outside TSO, since it is common with other
code.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull GPIO fixes from Linus Walleij:
"These are hopefully the last GPIO fixes for v4.9. The most important
is that it fixes the UML randconfig builds that have been nagging me
for some time and me being confused about where the problem was really
sitting, now this fix give this nice feeling that everything is solid
and builds fine.
Summary:
- Finally, after being puzzled by a bunch of recurrent UML build
failures on randconfigs from the build robot, Keno Fischer nailed
it: GPIO_DEVRES is optional and depends on HAS_IOMEM even though
many users just unconditionally rely on it to be available. And it
*should* be available: garbage collection is nice for this and it
*certainly* has nothing to do with having IOMEM. So we got rid of
it, and now the UML builds should JustWork(TM).
- Do not call .get_direction() on sleeping GPIO chips on the fastpath
when locking GPIOs for interrupts: it is done from atomic context,
no way.
- Some driver fixes"
* tag 'gpio-v4.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: Remove GPIO_DEVRES option
gpio: tc3589x: fix up .get_direction()
gpio: do not double-check direction on sleeping chips
gpio: pca953x: Move memcpy into mutex lock for set multiple
gpio: pca953x: Fix corruption of other gpios in set_multiple.
Pull drm fixes from Dave Airlie:
"i915 fixes + 2 mediatek regressions.
So some i915 fixes came in which I thought they might so I'm sending
those along with two reverts for two patches to the mediatek driver
that didn't seem to build so well, I've fixed up my -fixes ARM build
and .config so I could see it, but yes brown paper bag time"
* tag 'drm-fixes-for-v4.9-rc6-brown-paper-bag' of git://people.freedesktop.org/~airlied/linux:
Revert "drm/mediatek: set vblank_disable_allowed to true"
Revert "drm/mediatek: fix a typo of OD_CFG to OD_RELAYMODE"
drm/i915: Assume non-DP++ port if dvo_port is HDMI and there's no AUX ch specified in the VBT
drm/i915: Refresh that status of MST capable connectors in ->detect()
drm/i915: Grab the rotation from the passed plane state for VLV sprites
drm/i915: Mark CPU cache as dirty when used for rendering
Make struct pernet_operations::id unsigned.
There are 2 reasons to do so:
1)
This field is really an index into an zero based array and
thus is unsigned entity. Using negative value is out-of-bound
access by definition.
2)
On x86_64 unsigned 32-bit data which are mixed with pointers
via array indexing or offsets added or subtracted to pointers
are preffered to signed 32-bit data.
"int" being used as an array index needs to be sign-extended
to 64-bit before being used.
void f(long *p, int i)
{
g(p[i]);
}
roughly translates to
movsx rsi, esi
mov rdi, [rsi+...]
call g
MOVSX is 3 byte instruction which isn't necessary if the variable is
unsigned because x86_64 is zero extending by default.
Now, there is net_generic() function which, you guessed it right, uses
"int" as an array index:
static inline void *net_generic(const struct net *net, int id)
{
...
ptr = ng->ptr[id - 1];
...
}
And this function is used a lot, so those sign extensions add up.
Patch snipes ~1730 bytes on allyesconfig kernel (without all junk
messing with code generation):
add/remove: 0/0 grow/shrink: 70/598 up/down: 396/-2126 (-1730)
Unfortunately some functions actually grow bigger.
This is a semmingly random artefact of code generation with register
allocator being used differently. gcc decides that some variable
needs to live in new r8+ registers and every access now requires REX
prefix. Or it is shifted into r12, so [r12+0] addressing mode has to be
used which is longer than [r8]
However, overall balance is in negative direction:
add/remove: 0/0 grow/shrink: 70/598 up/down: 396/-2126 (-1730)
function old new delta
nfsd4_lock 3886 3959 +73
tipc_link_build_proto_msg 1096 1140 +44
mac80211_hwsim_new_radio 2776 2808 +32
tipc_mon_rcv 1032 1058 +26
svcauth_gss_legacy_init 1413 1429 +16
tipc_bcbase_select_primary 379 392 +13
nfsd4_exchange_id 1247 1260 +13
nfsd4_setclientid_confirm 782 793 +11
...
put_client_renew_locked 494 480 -14
ip_set_sockfn_get 730 716 -14
geneve_sock_add 829 813 -16
nfsd4_sequence_done 721 703 -18
nlmclnt_lookup_host 708 686 -22
nfsd4_lockt 1085 1063 -22
nfs_get_client 1077 1050 -27
tcf_bpf_init 1106 1076 -30
nfsd4_encode_fattr 5997 5930 -67
Total: Before=154856051, After=154854321, chg -0.00%
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
UDP busy polling is restricted to connected UDP sockets.
This is because sk_busy_loop() only takes care of one NAPI context.
There are cases where it could be extended.
1) Some hosts receive traffic on a single NIC, with one RX queue.
2) Some applications use SO_REUSEPORT and associated BPF filter
to split the incoming traffic on one UDP socket per RX
queue/thread/cpu
3) Some UDP sockets are used to send/receive traffic for one flow, but
they do not bother with connect()
This patch records the napi_id of first received skb, giving more
reach to busy polling.
Tested:
lpaa23:~# echo 70 >/proc/sys/net/core/busy_read
lpaa24:~# echo 70 >/proc/sys/net/core/busy_read
lpaa23:~# for f in `seq 1 10`; do ./super_netperf 1 -H lpaa24 -t UDP_RR -l 5; done
Before patch :
27867 28870 37324 41060 41215
36764 36838 44455 41282 43843
After patch :
73920 73213 70147 74845 71697
68315 68028 75219 70082 73707
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Recently algif_hash has been changed to allow null hashes. This
triggers a bug when used with an shash algorithm whereby it will
cause a crash during the digest operation.
This patch fixes it by avoiding the digest operation and instead
doing an init followed by a final which avoids the buggy code in
shash.
This patch also ensures that the result buffer is freed after an
error so that it is not returned as a genuine hash result on the
next recv call.
The shash/ahash wrapper code will be fixed later to handle this
case correctly.
Fixes: 493b2ed3f7 ("crypto: algif_hash - Handle NULL hashes correctly")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Laura Abbott <labbott@redhat.com>
Since commit 87a18a6a56 ("mmc: mmc: Use ->card_busy() to detect busy
cards in __mmc_switch()") the ESDHC driver is broken:
mmc0: Card stuck in programming state! __mmc_switch
mmc0: error -110 whilst initialising MMC card
Since this commit __mmc_switch() uses ->card_busy(), which is
sdhci_card_busy() for the esdhc driver. sdhci_card_busy() uses the
PRESENT_STATE register, specifically the DAT0 signal level bit. But the
ESDHC uses a non-conformant PRESENT_STATE register, thus a read fixup is
required to make the driver work again.
Signed-off-by: Michael Walle <michael@walle.cc>
Fixes: 87a18a6a56 ("mmc: mmc: Use ->card_busy() to detect busy cards in __mmc_switch()")
Acked-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: <stable@vger.kernel.org> # v4.8+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
We need to update on secondaries for the selected MMU mode.
Fixes: ad410674f5 ("powerpc/mm: Update the HID bit when switching from radix to hash")
Reported-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Properly check the return code of ffs_func_revmap_intf() and
ffs_func_revmap_ep() for a non-negative value.
Instead of checking the return code, the comparison was performed for the last
parameter of the function calls, because of wrong parenthesis.
This also fixes the following static checker warning:
drivers/usb/gadget/function/f_fs.c:3152 ffs_func_req_match()
warn: always true condition '(((creq->wIndex)) >= 0) => (0-u16max >= 0)'
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felix Hädicke <felixhaedicke@web.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
The cleanup_if() callback is the inverse of init_if(). We allocate our
'card' interface structure in the probe() function, but we free it in
cleanup_if(). That gives a few problems:
(a) we leak this memory if probe() fails before we reach init_if()
(b) we can't safely utilize 'card' after cleanup_if() -- namely, in
remove() or suspend(), both of which might race with the cleanup
paths in our asynchronous FW initialization path
Solution: just use devm_kzalloc(), which will free this structure
properly when the device is removed -- and drop the set_drvdata(...,
NULL), since the driver core does this for us. This also removes the
temptation to use drvdata == NULL as a hack for checking if the device
has been "cleaned up."
I *do* leave the set_drvdata(..., NULL) for the hacky SDIO
mwifiex_recreate_adapter(), since the device core won't be able to clear
that one for us.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Firmware may reject calibration data from host for certain OTP
settings. In that case, we should continue initialisation ignoring
the failure.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch adds power save parameters(hs_wake_interval and
hs_inactivity_timeout) in host sleep cfg cmd.
Signed-off-by: Shengzhen Li <szli@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
KVM calls kvm_pmu_set_counter_event_type() when PMCCFILTR is configured.
But this function can't deals with PMCCFILTR correctly because the evtCount
bits of PMCCFILTR, which is reserved 0, conflits with the SW_INCR event
type of other PMXEVTYPER<n> registers. To fix it, when eventsel == 0, this
function shouldn't return immediately; instead it needs to check further
if select_idx is ARMV8_PMU_CYCLE_IDX.
Another issue is that KVM shouldn't copy the eventsel bits of PMCCFILTER
blindly to attr.config. Instead it ought to convert the request to the
"cpu cycle" event type (i.e. 0x11).
To support this patch and to prevent duplicated definitions, a limited
set of ARMv8 perf event types were relocated from perf_event.c to
asm/perf_event.h.
Cc: stable@vger.kernel.org # 4.6+
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Wei Huang <wei@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
We're missing the handling code for the cycle counter accessed
from a 32bit guest, leading to unexpected results.
Cc: stable@vger.kernel.org # 4.6+
Signed-off-by: Wei Huang <wei@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
It's possible to make scanning consume almost arbitrary amounts
of memory, e.g. by sending beacon frames with random BSSIDs at
high rates while somebody is scanning.
Limit the number of BSS table entries we're willing to cache to
1000, limiting maximum memory usage to maybe 4-5MB, but lower
in practice - that would be the case for having both full-sized
beacon and probe response frames for each entry; this seems not
possible in practice, so a limit of 1000 entries will likely be
closer to 0.5 MB.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
On POWER9 DD1, when we do a local TLB invalidate we also need to explicitly
invalidate the ERAT.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
since clk_prepare_enable() is used to get i2c->clk, we should
use clk_disable_unprepare() to release it for the error path.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
STi DT fix:
Fix typo cs-gpio to cs-gpios
* tag 'sti-dt-for-v4.9-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti:
ARM: dts: STiH410-b2260: Fix typo in spi0 chipselect definition
Signed-off-by: Olof Johansson <olof@lixom.net>
i.MX fixes for 4.9, 2nd round:
It fixes a boot failure on imx53-qsb board with a DA9053 PMIC, which is
caused by the regulator core change, commit fa93fd4ecc ("regulator:
core: Ensure we are at least in bounds for our constraints").
* tag 'imx-fixes-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx53-qsb: Fix regulator constraints
Signed-off-by: Olof Johansson <olof@lixom.net>
Fixes for omaps for v4.9-rc cycle. Except for the omap3 fix for the SoC
features printed, all these are quite trivial and tiny. The omap5 jack
detection and gpadc patches are not strictly fixes, but I wanted to get
binding document typo fixed before it pops up on other boards. The
gpadc one liner was in the same series and I applied and pushed it out
already before noticing it could have waited. The list of changes is:
- Fix omap3 SoC features printed
- Make sure OMAP_INTERCONNECT is selected for am43xx only configurations
- Add missing memory node for torpedo
- Initialize uart4_mask properly to avoid writing garbage to PRM registers
- Fix NULL pointer dereference for omap4 volt_data
- Add alias for omap5 gpadc needed by iio drivers
- Enable omap5 jack headset jack detection and fix it's binding typo
- Add missing memory node for logicpd-som-lv
- Fix wrong SMPS6 voltage for VDD-DDR3 for omap5
* tag 'omap-for-v4.9/fixes-for-rc-cycle' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap5: board-common: fix wrong SMPS6 (VDD-DDR3) voltage
ARM: omap3: Add missing memory node in SOM-LV
ASoC: omap-abe-twl6040: fix typo in bindings documentation
dts: omap5: board-common: enable twl6040 headset jack detection
dts: omap5: board-common: add phandle to reference Palmas gpadc
ARM: OMAP2+: avoid NULL pointer dereference
ARM: OMAP2+: PRM: initialize en_uart4_mask and grpsel_uart4_mask
ARM: dts: omap3: Fix memory node in Torpedo board
ARM: AM43XX: Select OMAP_INTERCONNECT in Kconfig
ARM: OMAP3: Fix formatting of features printed
Signed-off-by: Olof Johansson <olof@lixom.net>
mvebu fixes for 4.9 (part 1)
All of them are fixes for arm64 device tree
- 2 for the SPI node on the Armada 7K/8K
- 1 for the clock node on the Armada 37xx
* tag 'mvebu-fixes-4.9-1' of git://git.infradead.org/linux-mvebu:
arm64: dts: marvell: add unique identifiers for Armada A8k SPI controllers
arm64: dts: marvell: fix clocksource for CP110 slave SPI0
arm64: dts: marvell: Fix typo in label name on Armada 37xx
Signed-off-by: Olof Johansson <olof@lixom.net>
i915 misc fixes.
* tag 'drm-intel-fixes-2016-11-17' of ssh://git.freedesktop.org/git/drm-intel:
drm/i915: Assume non-DP++ port if dvo_port is HDMI and there's no AUX ch specified in the VBT
drm/i915: Refresh that status of MST capable connectors in ->detect()
drm/i915: Grab the rotation from the passed plane state for VLV sprites
drm/i915: Mark CPU cache as dirty when used for rendering
The Aspeed SoCs have two BT interfaces : one is IPMI compliant and the
other is H8S/2168 compliant.
The current ipmi/bt-bmc driver implements the IPMI version and we
should reflect its nature in the compatible node name using
'aspeed,ast2400-ibt-bmc' instead of 'aspeed,ast2400-bt-bmc'. The
latter should be used for a H8S interface driver if it is implemented
one day.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
