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Instead of using a private copy of struct net_device_stats in
struct orinoco_private, use stats from struct net_device. Also remove
the now unnecessary .ndo_get_stats function.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Enable AP support for allmulticast for MDNS. It can be enabled by bringing
up the interface with ip command with argument allmulticast on
Signed-off-by: Iain Hunter <i-hunter1@ti.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add a skb_gro_flush_final helper to prepare for consuming
skbs in call_gro_receive. We will extend this helper to not
touch the skb if the skb is consumed by a gro callback with
a followup patch. We need this to handle the upcomming IPsec
ESP callbacks as they reinject the skb to the napi_gro_receive
asynchronous. The handler is used in all gro_receive functions
that can call the ESP gro handlers.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Add a new helper to set the secpath to the skb.
This avoids code duplication, as this is used
in multiple places.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
The usage count function is based on ndev_running flag that is
updated before calling ndo_open/close, but if ndo is called in
another place, as with suspend/resume, the counter is not changed,
that breaks sus/resume. For common resource no difference which
device is using it, does matter only device count. So, replace
usage count function on var and inc and dec it in ndo_open/close.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
tcp_rcv_established() can now run in process context.
We need to disable BH while acquiring tcp probe spinlock,
or risk a deadlock.
Fixes: 5413d1babe ("net: do not block BH while processing socket backlog")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Ricardo Nabinger Sanchez <rnsanchez@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Because of <linux/libc-compat.h> interface limitations, <netinet/in.h>
provided by libc cannot be included after <linux/in.h>, therefore any
header that includes <netinet/in.h> cannot be included after <linux/in.h>.
Change uapi/linux/l2tp.h, the last uapi header that includes
<netinet/in.h>, to include <linux/in.h> and <linux/in6.h> instead of
<netinet/in.h> and use __SOCK_SIZE__ instead of sizeof(struct sockaddr)
the same way as uapi/linux/in.h does, to fix linux/if_pppol2tp.h userspace
compilation errors like this:
In file included from /usr/include/linux/l2tp.h:12:0,
from /usr/include/linux/if_pppol2tp.h:21,
/usr/include/netinet/in.h:31:8: error: redefinition of 'struct in_addr'
Fixes: 47c3e7783b ("net: l2tp: deprecate PPPOL2TP_MSG_* in favour of L2TP_MSG_*")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit 63d0f0a695.
It caused a regression on platforms where I2C controller is synthesized
with dynamic TAR update disabled. Detection code is testing is bit
DW_IC_CON_10BITADDR_MASTER in register DW_IC_CON read-only but fails to
restore original value in case bit is read-write.
Instead of fixing this we revert the commit since it was preparation for
the commit 0317e6c0f1 ("i2c: designware: do not disable adapter after
transfer") which was also reverted.
Reported-by: Shah Nehal-Bakulchandra <Nehal-bakulchandra.Shah@amd.com>
Reported-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Acked-By: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: <stable@vger.kernel.org> # v4.9+
Fixes: 63d0f0a695 ("i2c: designware: detect when dynamic tar update is possible")
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Reported as a Kaffeine bug:
https://bugs.kde.org/show_bug.cgi?id=375811
The USB control messages require DMA to work. We cannot pass
a stack-allocated buffer, as it is not warranted that the
stack would be into a DMA enabled area.
On Kernel 4.9, the default is to not accept DMA on stack anymore
on x86 architecture. On other architectures, this has been a
requirement since Kernel 2.2. So, after this patch, this driver
should likely work fine on all archs.
Tested with USB ID 2040:5510: Hauppauge Windham
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Multiple threads can call fanout_add() at the same time.
We need to grab fanout_mutex earlier to avoid races that could
lead to one thread freeing po->rollover that was set by another thread.
Do the same in fanout_release(), for peace of mind, and to help us
finding lockdep issues earlier.
Fixes: dc99f60069 ("packet: Add fanout support.")
Fixes: 0648ab70af ("packet: rollover prepare: per-socket state")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
pch_gbe_get_stats() just returns dev->stats so we can leave it out
altogether and let dev_get_stats() do the job.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
hip04_get_stats() just returns dev->stats so we can leave it
out altogether and let dev_get_stats() do the job.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes the following sparse warning:
net/sched/act_api.c:532:5: warning:
symbol 'nla_memdup_cookie' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the current driver, the MTU is set to the maximum value
capable for the backing device. This decision turned out to
be a mistake as it led to confusion among users. The expected
initial MTU value used for other IBM vNIC capable operating
systems is 1500, with the maximum value (9000) reserved for
when Jumbo frames are enabled. This patch sets the MTU to
the default value for a net device.
It also corrects a discrepancy between MTU values received from
firmware, which includes the ethernet header length, and net
device MTU values.
Finally, it removes redundant min/max MTU assignments after device
initialization.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a copy-paste error, which hides breaking of resume
for CPSW driver: there was replaced netdev_priv() to ndev_to_cpsw(ndev)
in suspend, but left it unchanged in resume.
Fixes: 606f399395
(ti: cpsw: move platform data and slaves info to cpsw_common)
Reported-by: Alexey Starikovskiy <AStarikovskiy@topcon.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
remove the unused timer. I suppose it was intended as a timeout
detector, but never properly implemented.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes the following warnings:
kernel/bpf/verifier.c: In function ‘may_access_direct_pkt_data’:
kernel/bpf/verifier.c:702:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (t == BPF_WRITE)
^
kernel/bpf/verifier.c:704:2: note: here
case BPF_PROG_TYPE_SCHED_CLS:
^~~~
kernel/bpf/verifier.c: In function ‘reg_set_min_max_inv’:
kernel/bpf/verifier.c:2057:23: warning: this statement may fall through [-Wimplicit-fallthrough=]
true_reg->min_value = 0;
~~~~~~~~~~~~~~~~~~~~^~~
kernel/bpf/verifier.c:2058:2: note: here
case BPF_JSGT:
^~~~
kernel/bpf/verifier.c:2068:23: warning: this statement may fall through [-Wimplicit-fallthrough=]
true_reg->min_value = 0;
~~~~~~~~~~~~~~~~~~~~^~~
kernel/bpf/verifier.c:2069:2: note: here
case BPF_JSGE:
^~~~
kernel/bpf/verifier.c: In function ‘reg_set_min_max’:
kernel/bpf/verifier.c:2009:24: warning: this statement may fall through [-Wimplicit-fallthrough=]
false_reg->min_value = 0;
~~~~~~~~~~~~~~~~~~~~~^~~
kernel/bpf/verifier.c:2010:2: note: here
case BPF_JSGT:
^~~~
kernel/bpf/verifier.c:2019:24: warning: this statement may fall through [-Wimplicit-fallthrough=]
false_reg->min_value = 0;
~~~~~~~~~~~~~~~~~~~~~^~~
kernel/bpf/verifier.c:2020:2: note: here
case BPF_JSGE:
^~~~
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Alexander Alemayhu <alexander@alemayhu.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Even though the port autoselection is enabled by default on AM79C970A,
BNC/AUI port does not work because the link is always reported to be
down. The link state reported by the chip belongs only to the TP port
but the driver uses it regardless of the port used. The chip can't
detect BNC/AUI link state.
Disable port autoselection and use TP port by default to keep current
behavior (link detection works on TP port, BNC/AUI port does not work).
Implement ethtool autoneg, port and duplex configuration to allow
using the BNC/AUI port.
Report the TP link state only if the TP port is selected. When the
port autoselection is enabled or AUI port is selected, report the link
as always up.
Move pcnet32_suspend() and pcnet32_clr_suspend() functions to avoid
forward declarations.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the code to clear SUSPEND flag to a separate function to simplify
code.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Point back the unregister IPv6 mc table to the bc table.
It is done since IPv6 mcast snooping is not supported for Spectrum yet.
Reported-by: Jiri Pirko <jiri@mellanox.com>
Fixes: 71c365bdc4 ("mlxsw: spectrum: Separate bc and mc floods")
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Tested-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 98e3862ca2 ("kcm: fix 0-length case for kcm_sendmsg()")
I tried to avoid skb allocation for 0-length case, but missed
a check for NULL pointer in the non EOR case.
Fixes: 98e3862ca2 ("kcm: fix 0-length case for kcm_sendmsg()")
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Tom Herbert <tom@herbertland.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Shannon Nelson says:
====================
sunvnet driver updates
The sunvnet ldom virtual network driver was due for some updates and
a bugfix or two. These patches address a few items left over from
last year's make-over.
v2:
- changed memory barrier fix to use smp_wmb
- put NETIF_F_SG back into the advertised ldmvsw hw_features
v3:
- the sunvnet_common module doesn't need module_init or _exit
v4:
- dropped the statistics patch
- fixed up "default" tag for SUNVNET_COMMON
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The ldmvsw driver is specifically for supporting the ldom virtual
networking by running in the primary ldom and using the LDC to connect
the remaining ldoms to the outside world via a bridge. With TSO and GSO
supported while connected the bridge, things tend to misbehave as seen
in our case by delayed packets, enough to begin triggering retransmits
and affecting overall throughput. By turning off advertised support for
TSO and GSO we restore stable traffic flow through the bridge.
Orabug: 23293104
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
New version and simplify the print code.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The RCU read lock is grabbed first thing in sunvnet_start_xmit_common()
so it always needs to be released. This removes the conditional release
in the dropped packet error path and removes a couple of superfluous
calls in the middle of the code.
Reported-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The use of gotos for handling the incoming events made this code
harder to read and support than it should be. This patch straightens
out and clears up the logic.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to allow the underlying LDC and outstanding memory operations
to potentially catch up with the driver's Tx requests, add a memory
barrier before checking again for available tx descriptors.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There have been several changes since the first version of this code, so
we bump the version number. While we're at it, we can simplify the
version printing a bit and drop a couple lines of code.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The vio_dring_state *dr variable is unused in maybe_tx_wakeup().
As the comments indicate, we call maybe_tx_wakeup() whenever we
get a STOPPED LDC message on the port. If the queue is stopped,
we want to wake it up so that we will send another START message
at the next TX and trigger the consumer to drain the dring.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the sunvnet_common code was split out for use by both sunvnet
and the newer ldmvsw, it was made into a static kernel library, which
limits the usefulness of sunvnet and ldmvsw as loadables, since most
of the real work is being done in the shared code. Also, this is
simply dead code in kernels that aren't running the LDoms.
This patch makes the sunvnet_common into a dynamically loadable
module and makes sunvnet and ldmvsw dependent on sunvnet_common.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ath_tx_count_airtime is doing a lot of unnecessary work:
- Redundant station lookup
- Redundant rcu_read_lock/unlock
- Useless memcpy of bf->rates
- Useless NULL check of bf->bf_mpdu
- Redundant lookup of the skb tid
Additionally, it tries to look up the mac80211 queue index from the txq,
which fails if the frame was delivered via the power save queue.
This patch fixes all of these issues by passing down the right set of
pointers instead of doing extra work
Cc: stable@vger.kernel.org
Fixes: 63fefa0504 ("ath9k: Introduce airtime fairness scheduling between stations")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Instead of using a private copy of struct net_device_stats in struct
ath6kl_vif, use stats from struct net_device. Also remove the now
unnecessary .ndo_get_stats function.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The variant[] string will be valid only if the bdf_ext is set.
The string memory needs to be null-terminated to avoid the undefined garbage
appended by the subsequent board file name creation.
ath10k_pci 0000:04:00.0: failed to fetch board data for
"bus=pci,vendor=168c,device=003e,subsystem-vendor=168c,subsystem-device=3363��P�����"
from ath10k/QCA6174/hw3.0/board-2.bin
Fixes: f2593cb1b2 ("ath10k: Search SMBIOS for OEM board file extension")
Reported-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Currently ath10k unncessarily warns about board id not available from OTP:
ath10k_pci 0000:02:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
ath10k_pci 0000:02:00.0: qca988x hw2.0 target 0x4100016c chip_id 0x043202ff sub 0000:0000
ath10k_pci 0000:02:00.0: kconfig debug 1 debugfs 1 tracing 1 dfs 1 testmode 1
ath10k_pci 0000:02:00.0: firmware ver 10.2.4.70.9-2 api 5 features no-p2p,raw-mode crc32 b8d50af5
ath10k_pci 0000:02:00.0: board id is not exist in otp, ignore it
ath10k_pci 0000:02:00.0: board_file api 1 bmi_id N/A crc32 bebc7c08
ath10k_pci 0000:02:00.0: htt-ver 2.1 wmi-op 5 htt-op 2 cal otp max-sta 128 raw 0 hwcrypto 1
But not all boards have the board id in OTP so this is not a problem and no
need to confuse the user with that info. So this can be safely changed to a
debug message.
Also fix grammar in the debug message.
Fixes: d2e202c06c ("ath10k: ignore configuring the incorrect board_id")
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Firmware files are versioned to prevent older
driver instances to load unsupported firmware
blobs. This is reflected with a fallback logic
which attempts to load several firmware files.
This however produced a lot of unnecessary
warnings sometimes confusing users and leading
them to rename firmware files making things even
more confusing.
Hence use request_firmware_direct() which does not
produce extra warnings. This shouldn't really
break anything because most modern systems don't
rely on udev/hotplug helpers to load firmware
files anymore. For example it was confirmed that
LEDE does not user helper.
This also fixes a 60 second delay per _each_
unexistent firmware/calibration file with distros
which have CONFIG_FW_LOADER_USER_HELPER_FALLBACK
enabled, RHEL being a notable example. Using
ath10k with firmware-2.bin this might end up
into a five minute delay in boot.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
[kvalo@qca.qualcomm.com: add more info to the commit log]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This way user has a better idea what file exactly is missing.
This is needed when we switch to using request_firmware_direct() which doesn't
print any errors anymore.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
To make it easier to handle minimum and maximum firmware API numbers convert
the firmware fetch functionality to a loop. If no firmware image is found print
an error with minimum and maximum API numbers and the name of firmware
directory. This is needed when we switch to using request_firmware_direct()
which doesn't print any errors anymore.
Also add a new function for creating the fw file name dynamically which makes it
easier to add new bus support, for example SDIO and USB, later.
Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com>
[kvalo@qca.qualcomm.com: remove sdio/usb part, new error message, clarify commit log]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Edward Cree says:
====================
sfc: prevent bogus interrupt-mode fallbacks
EF10 VFs only support MSI-X interrupts, not MSI or legacy. This series
stops the probe logic from trying to fallback to those if MSI-X interrupt
probe fails. It also prevents selecting them with the interrupt_mode
module parameter.
This avoids producing messages like "failed to hook legacy IRQ 0" and "IRQ
handler type mismatch for IRQ 0", and ensures that the relevant error
(from the attempt to enable MSI-X) is reported to the caller.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
If we fail to probe interrupts with our minimum mode, return that error.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add min_interrupt_mode specification per NIC type.
It is a bit confusing because of "highest interrupt mode is less capable".
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nikolay Aleksandrov says:
====================
bridge: minor fdb cleanup
These patches aim to simplify the bridge fdb API a little by removing some
redundant functions and converting them into wrappers of a single function.
Also add proper lock checking to avoid future mistakes for the search
functions.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We can simplify the logic of entries pointing to the bridge by
converging the fdb_delete_by functions, this would allow us to use the
same function for both cases since the fdb's dst is set to NULL if it is
pointing to the bridge thus we can always check for a port match.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to avoid new errors add checks to br_fdb_find and fdb_find_rcu
functions. The first requires hash_lock, the second obviously RCU.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before this patch we had 3 different fdb searching functions which was
confusing. This patch reduces all of them to one - fdb_find_rcu(), and
two flavors: br_fdb_find() which requires hash_lock and br_fdb_find_rcu
which requires RCU. This makes it clear what needs to be used, we also
remove two abusers of __br_fdb_get which called it under hash_lock and
replace them with br_fdb_find().
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
