Read link speed from the BAR. This provides very basic information
and works for both PFs and VFs.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'linux-can-next-for-4.13-20170404' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2017-03-03
this is a pull request of 5 patches for net-next/master.
There are two patches by Yegor Yefremov which convert the ti_hecc
driver into a DT only driver, as there is no in-tree user of the old
platform driver interface anymore. The next patch by Mario Kicherer
adds network namespace support to the can subsystem. The last two
patches by Akshay Bhat add support for the holt_hi311x SPI CAN driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
- Hand-off primary maintainership of Kbuild
- Fix build warnings
- Fix build error when GCOV is enabled with old compiler
- Fix HAVE_ASM_GOTO check when GCC plugin is enabled
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Merge tag 'kbuild-fixes-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- hand-off primary maintainership of Kbuild
- fix build warnings
- fix build error when GCOV is enabled with old compiler
- fix HAVE_ASM_GOTO check when GCC plugin is enabled
* tag 'kbuild-fixes-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
gconfig: remove misleading parentheses around a condition
jump label: fix passing kbuild_cflags when checking for asm goto support
Kbuild: use cc-disable-warning consistently for maybe-uninitialized
kbuild: external module build warnings when KBUILD_OUTPUT set and W=1
MAINTAINERS: add Masahiro Yamada as a Kbuild maintainer
This patch add a generic testsuite for testing ethernet network device driver.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vladislav Yasevich says:
====================
rtnetlink: Updates to rtnetlink_event()
This series came out of the conversation that started as a result
my first attempt to add netdevice event info to netlink messages.
This series converts event processing to a 'white list', where
we explicitely permit events to generate netlink messages. This
is meant to make people take a closer look and determine wheter
these events should really trigger netlink messages.
I am also adding a V2 of my patch to add event type to the netlink
message. This version supports all events that we currently generate.
I will also update my patch to iproute that will show this data
through 'ip monitor'.
I actually need the ability to trap NETDEV_NOTIFY_PEERS event
(as well as possible NETDEV_RESEND_IGMP) to support hanlding of
macvtap on top of bonding. I hope others will also find this info usefull.
V2: Added missed events (from David Ahern)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When netdev events happen, a rtnetlink_event() handler will send
messages for every event in it's white list. These messages contain
current information about a particular device, but they do not include
the iformation about which event just happened. The consumer of
the message has to try to infer this information. In some cases
(ex: NETDEV_NOTIFY_PEERS), that is not possible.
This patch adds a new extension to RTM_NEWLINK message called IFLA_EVENT
that would have an encoding of the which event triggered this
message. This would allow the the message consumer to easily determine
if it is interested in a particular event or not.
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The rtnetlink_event currently functions as a blacklist where
we block cerntain netdev events from being sent to user space.
As a result, events have been added to the system that userspace
probably doesn't care about.
This patch converts the implementation to the white list so that
newly events would have to be specifically added to the list to
be sent to userspace. This would force new event implementers to
consider whether a given event is usefull to user space or if it's
just a kernel event.
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Define one new macro TCP_MAX_WSCALE instead of literal number '14',
and use U16_MAX instead of 65535 as the max value of TCP window.
There is another minor change, use rounddown(space, mss) instead of
(space / mss) * mss;
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since commit d6580a9f15 ("kexec: sysrq: simplify sysrq-c handler"),
the sysrq handler for the 'c' key has been sysrq_crash_op. Debugging
code in the ibm_emac driver also tries to register a handler for the 'c'
key, but this has no effect because register_sysrq_key() doesn't replace
existing handlers. Since evidently no one has cared enough to fix this
in the last 8 years, and it's very rare for drivers to register sysrq
handlers (for good reason), just remove the dead code.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch is almost to revert commit 02f3d4ce9e ("sctp: Adjust PMTU
updates to accomodate route invalidation."). As t->asoc can't be NULL
in sctp_transport_update_pmtu, it could get sk from asoc, and no need
to pass sk into that function.
It is also to remove some duplicated codes from that function.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Earlier patch c4adfc822b ("bonding: make speed, duplex setting
consistent with link state") made an attempt to keep slave state
consistent with speed and duplex settings. Unfortunately link-state
transition is used to change the active link especially when used
in conjunction with mii-mon. The above mentioned patch broke that
logic. Also when speed and duplex settings for a link are updated
during a link-event, the link-status should not be changed to
invoke correct transition logic.
This patch fixes this issue by moving the link-state update outside
of the bond_update_speed_duplex() fn and to the places where this fn
is called and update link-state selectively.
Fixes: c4adfc822b ("bonding: make speed, duplex setting consistent
with link state")
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Reviewed-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
cb_running is reported in /proc/self/net/netlink and it is reported by
the ss tool, when it gets information from the proc files.
sock_diag is a new interface which is used instead of proc files, so it
looks reasonable that this interface has to report no less information
about sockets than proc files.
We use these flags to dump and restore netlink sockets.
Signed-off-by: Andrei Vagin <avagin@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We should be returning -ENOMEM if qed_mcp_cmd_add_elem() fails. The
current code returns success.
Fixes: 4ed1eea82a ("qed: Revise MFW command locking")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We accidentally left this dead code behind after commit 5952fde10c
("net: sched: choke: remove dead filter classify code").
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a cut and paste bug here so we accidentally clear the first
few bytes of "resp" a second time instead clearing "ctx".
Fixes: 50c0add534 ("liquidio: refactor interrupt moderation code")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In hardware configurations where multiple queues are active,
the rx queue needs to be mapped into a dma channel, even if
a single rx queue is used.
Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
bnxt_en: Updates for net-next.
Main changes are to add WoL and selftest features, optimize XDP_TX by
using short BDs, and to cap the usage of MSIX.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The current code enables up to the maximum MSIX vectors in the PCIE
config space without considering the max completion rings available.
An MSIX vector is only useful when it has an associated completion
ring, so it is better to cap it.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
No offload is performed on the XDP_TX ring so we can use the short TX
BDs. This has the effect of doubling the size of the XDP TX ring so
that it now matches the size of the rx ring by default.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It is necessary to disable autoneg before enabling PHY loopback,
otherwise link won't come up.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The mac loopback self test operates in polling mode. To support that,
we need to add functions to open and close the NIC half way. The half
open mode allows the rings to operate without IRQ and NAPI. We
use the XDP transmit function to send the loopback packet.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the basic infrastructure and only firmware tests initially.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add suspend/resume callbacks using the newer dev_pm_ops method.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
And add functions to set and free magic packet filter.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add pci shutdown method to put device in the proper WoL and power state.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add code to driver probe function to check if the device is WoL capable
and if Magic packet WoL filter is currently set.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Features added include WoL and selftest.
Signed-off-by: Deepak Khungar <deepak.khungar@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For SPI, we can get up to 32 additional bytes for response preamble.
The current overhead (2 bytes) may cause problems when we try to receive
a big response. Update it to 32 bytes.
Without this fix we could see a kernel BUG when we receive a big response
from the Chrome EC when is connected via SPI.
Signed-off-by: Vic Yang <victoryang@google.com>
Tested-by: Enric Balletbo i Serra <enric.balletbo.collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
We're dealing with ACPI issues here. The first is related to
wake IRQs on Bay Trail/Cherry Trail CPUs which are common in
laptops. The second is about proper probe deferral when reading
_CRS properties.
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Merge tag 'gpio-v4.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull late GPIO fixes from Linus Walleij:
"Some late coming ACPI fixes for GPIO.
We're dealing with ACPI issues here. The first is related to wake IRQs
on Bay Trail/Cherry Trail CPUs which are common in laptops. The second
is about proper probe deferral when reading _CRS properties.
For my untrained eye it seems there was some quarrel between the BIOS
and the kernel about who is supposed to deal with wakeups from GPIO
lines"
* tag 'gpio-v4.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
ACPI / gpio: do not fall back to parsing _CRS when we get a deferral
gpio: acpi: Call enable_irq_wake for _IAE GpioInts with Wake set
iwlwifi
* an RCU fix
* a fix for a potential out-of-bounds access crash
* a fix for IBSS which has been broken since DQA was enabled
rtlwifi
* fix scheduling while atomic regression
brcmfmac
* fix use-after-free bug found by KASAN
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Merge tag 'wireless-drivers-for-davem-2017-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.11
iwlwifi
* an RCU fix
* a fix for a potential out-of-bounds access crash
* a fix for IBSS which has been broken since DQA was enabled
rtlwifi
* fix scheduling while atomic regression
brcmfmac
* fix use-after-free bug found by KASAN
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
TI's cpsw driver handles both OF and non-OF case for phy
connect. Unfortunately of_phy_connect() returns NULL on
error while phy_connect() returns ERR_PTR().
To handle this, cpsw_slave_open() overrides the return value
from phy_connect() to make it NULL or error.
This leaves a small window, where cpsw_adjust_link() may be
invoked for a slave while slave->phy pointer is temporarily
set to -ENODEV (or some other error) before it is finally set
to NULL.
_cpsw_adjust_link() only handles the NULL case, and an oops
results when ERR_PTR() is seen by it.
Note that cpsw_adjust_link() checks PHY status for each
slave whenever it is invoked. It can so happen that even
though phy_connect() for a given slave returns error,
_cpsw_adjust_link() is still called for that slave because
the link status of another slave changed.
Fix this by using a temporary pointer to store return value
of {of_}phy_connect() and do a one-time write to slave->phy.
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reported-by: Yan Liu <yan-liu@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
iwlwifi
* an RCU fix
* a fix for a potential out-of-bounds access crash
* a fix for IBSS which has been broken since DQA was enabled
rtlwifi
* fix scheduling while atomic regression
brcmfmac
* fix use-after-free bug found by KASAN
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Merge tag 'wireless-drivers-for-davem-2017-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.11
iwlwifi
* an RCU fix
* a fix for a potential out-of-bounds access crash
* a fix for IBSS which has been broken since DQA was enabled
rtlwifi
* fix scheduling while atomic regression
brcmfmac
* fix use-after-free bug found by KASAN
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'drm-fixes-for-v4.11-rc6' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"This is just mostly stuff that missed rc5, from vmwgfx and msm
drivers"
* tag 'drm-fixes-for-v4.11-rc6' of git://people.freedesktop.org/~airlied/linux:
drm/msm: Make sure to detach the MMU during GPU cleanup
drm/msm/hdmi: redefinitions of macros not required
drm/msm/mdp5: Update SSPP_MAX value
drm/msm/dsi: Fix bug in dsi_mgr_phy_enable
drm/msm: Don't allow zero sized buffer objects
drm/msm: Fix wrong pointer check in a5xx_destroy
drm/msm: adreno: fix build error without debugfs
drm/vmwgfx: fix integer overflow in vmw_surface_define_ioctl()
drm/vmwgfx: Remove getparam error message
drm/ttm: Avoid calling drm_ht_remove from atomic context
drm/ttm, drm/vmwgfx: Relax permission checking when opening surfaces
drm/vmwgfx: avoid calling vzalloc with a 0 size in vmw_get_cap_3d_ioctl()
drm/vmwgfx: NULL pointer dereference in vmw_surface_define_ioctl()
drm/vmwgfx: Type-check lookups of fence objects
PPP pseudo-wire type is 7 (11 is L2TP_PWTYPE_IP).
Fixes: f1f39f9110 ("l2tp: auto load type modules")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Trival fix, rename HW_INTERRUT_ASSERT_SET_* to HW_INTERRUPT_ASSERT_SET_*
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Take a reference on the sessions returned by l2tp_session_find_nth()
(and rename it l2tp_session_get_nth() to reflect this change), so that
caller is assured that the session isn't going to disappear while
processing it.
For procfs and debugfs handlers, the session is held in the .start()
callback and dropped in .show(). Given that pppol2tp_seq_session_show()
dereferences the associated PPPoL2TP socket and that
l2tp_dfs_seq_session_show() might call pppol2tp_show(), we also need to
call the session's .ref() callback to prevent the socket from going
away from under us.
Fixes: fd558d186d ("l2tp: Split pppol2tp patch into separate l2tp and ppp parts")
Fixes: 0ad6614048 ("l2tp: Add debugfs files for dumping l2tp debug info")
Fixes: 309795f4be ("l2tp: Add netlink control API for L2TP")
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for the Holt HI-311x CAN controller. The HI311x
CAN controller is capable of transmitting and receiving standard data
frames, extended data frames and remote frames. The HI311x interfaces
with the host over SPI.
Datasheet: www.holtic.com/documents/371-hi-3110_v-rev-jpdf.do
Signed-off-by: Akshay Bhat <nodeax@gmail.com>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Document the HOLT HI-311x CAN device tree bindings.
Signed-off-by: Akshay Bhat <nodeax@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This patch adds initial support for network namespaces. The changes only
enable support in the CAN raw, proc and af_can code. GW and BCM still
have their checks that ensure that they are used only from the main
namespace.
The patch boils down to moving the global structures, i.e. the global
filter list and their /proc stats, into a per-namespace structure and passing
around the corresponding "struct net" in a lot of different places.
Changes since v1:
- rebased on current HEAD (2bfe01e)
- fixed overlong line
Signed-off-by: Mario Kicherer <dev@kicherer.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This patch converts TI HECC driver to DT only driver. This results in
removing ti_hecc.h containing now obsolete platform data.
Former transceiver_switch callback function will be now modelled via
regulator API.
Signed-off-by: Anton Glukhov <anton.a.glukhov@gmail.com>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
DT binding documentation for TI High End CAN Controller
Signed-off-by: Anton Glukhov <anton.a.glukhov@gmail.com>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Yuval Mintz says:
====================
qed: QM & ILT changes
This series introduces several changes and improvements to existing
queue manager and ILT configurations done during initialization.
Notice some of the patches are actually future fixes, I.e., bugs that
can't be triggered with exisiting driver but are needed for some future
functionality.
Patch #1 refactors the configuration of the hardware's queue manager,
which is quite messy today. This contains most of the bulk [code-wise]
in the series.
Patch #2, #3 fix Timers related ILT configurations that are yet to
affect qed in existing scenarios.
Patch #4 reduces needless ILT lines wasted for RoCE configurations.
Patch #5 allows RoCE partitions to manage with less memory regions
[important, e.g., for Multi-function parititions with RoCE support].
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
It's possible some configurations would prevent driver from utilizing
all the Memory Regions due to a lack of ILT lines.
In such a case, calculate how many memory regions would have to be
dropped due to limit, and manage without those.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As RoCE doesn't need to use the SRC, allocating ILT memory
on behalf of RoCE is wasting available ILT lines.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As of today there's no protocol supported that requires
support from the TM hardware block and enables SRIOV,
but we should still correct the calculation to reflect
the lines required for such future VFs instead of changing
the PF's own lines.
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
