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W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the Beckhoff CX5020 EtherCAT Ethernet driver.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the TI CPSW switch module.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the STMicro DWMAC for Altera SOCs.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the Qualcom rmnet and emac drivers.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the SMSC 91x/911x/9420 Ethernet drivers.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the Ocelot SoCs (VSC7514) helpers driver.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the Microchip ENCX24J600 helpers driver.
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
As of now, the field TCA_TAPRIO_ATTR_FLAGS is being validated by manually
checking its value, using the function taprio_flags_valid().
With this patch, the field will be validated through the netlink policy
NLA_POLICY_MASK, where the mask is defined by TAPRIO_SUPPORTED_FLAGS.
The mutual exclusivity of the two flags TCA_TAPRIO_ATTR_FLAG_FULL_OFFLOAD
and TCA_TAPRIO_ATTR_FLAG_TXTIME_ASSIST is still checked manually.
Changes since RFC:
- fixed reversed xmas tree
- use NL_SET_ERR_MSG_MOD() for both invalid configuration
Changes since v1:
- Changed NL_SET_ERR_MSG_MOD to NL_SET_ERR_MSG_ATTR when wrong flags
issued
- Changed __u32 to u32
Changes since v2:
- Added the missing parameter for NL_SET_ERR_MSG_ATTR (sorry again for
the noise)
Signed-off-by: Alessandro Marcolini <alessandromarcolini99@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds hardware profile supports for extracting packet headers.
It makes sure that hardware is capabale of extracting ICMP, CPT, ERSPAN
headers.
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiawen Wu says:
====================
Implement irq_domain for TXGBE
Implement irq_domain for the MAC interrupt and handle the sub-irqs.
v3 -> v4:
- fix build error
v2 -> v3:
- use macro defines instead of magic number
v1 -> v2:
- move interrupt codes to txgbe_irq.c
- add txgbe-link-irq to msic irq domain
- remove functions that are not needed
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In the current interrupt controller, the MAC interrupt acts as the
parent interrupt in the GPIO IRQ chip. But when the number of Rx/Tx
ring changes, the PCI IRQ vector needs to be reallocated. Then this
interrupt controller would be corrupted. So use irq_domain structure
to avoid the above problem.
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to change the interrupt response structure, there will be a
lot of code added next. Move these interrupt codes to a new file, to
make the codes cleaner.
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a note when using esw_port_metadata. The parameter has runtime
mode but setting it does not take effect immediately. Setting it must
happen in legacy mode, and the port metadata takes effects when the
switchdev mode is enabled.
Disable eswitch port metadata::
$ devlink dev param set pci/0000:06:00.0 name esw_port_metadata value \
false cmode runtime
Change eswitch mode to switchdev mode where after choosing the metadata value::
$ devlink dev eswitch set pci/0000:06:00.0 mode switchdev
Note that other mlx5 devlink runtime parameters, esw_multiport and
flow_steering_mode, do not have this limitation.
Signed-off-by: William Tu <witu@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since 6.8-rc1, using VTABLE_DEFAULT_ERROR for optional functions
(never called) in #[vtable] is the recommended way.
Note that no functional changes in this patch.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
The relative paths like the following are bothersome and don't work
with `O=` builds:
//! C headers: [`include/linux/phy.h`](../../../../../../../include/linux/phy.h).
This updates such links by using the `srctree`-relative link feature
introduced in 6.8-rc1 like:
//! C headers: [`include/linux/phy.h`](srctree/include/linux/phy.h).
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Reviewed-by: Trevor Gross <tmgross@umich.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Correct the PHY loopback bit handling in the ksz8_w_phy_bmcr and
ksz8_r_phy_bmcr functions for KSZ8794 and KSZ8873 variants in the ksz8795
driver. Previously, the code erroneously used Bit 7 of port register 0xD
for both chip variants, which is actually for LED configuration. This
update ensures the correct registers and bits are used for the PHY
loopback feature:
- For KSZ8794: Use 0xF / Bit 7.
- For KSZ8873: Use 0xD / Bit 0.
The lack of loopback support was seen on KSZ8873 system by using
"ethtool -t lanX". After this patch, the ethtool selftest will work,
but only if port is not part of a bridge.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Link: https://lore.kernel.org/r/20240124123314.734815-4-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Remove the manual checks for register value changes in the
ksz8_w_phy_bmcr function. Instead, rely on regmap_update_bits() for
optimizing register updates.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Link: https://lore.kernel.org/r/20240124123314.734815-3-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Isolate the Basic Mode Control Register (BMCR) operations in the ksz8795
driver by moving the BMCR-related code segments from the ksz8_r_phy()
and ksz8_w_phy() functions to newly created ksz8_r_phy_bmcr() and
ksz8_w_phy_bmcr() functions.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Link: https://lore.kernel.org/r/20240124123314.734815-2-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2024-01-26
We've added 107 non-merge commits during the last 4 day(s) which contain
a total of 101 files changed, 6009 insertions(+), 1260 deletions(-).
The main changes are:
1) Add BPF token support to delegate a subset of BPF subsystem
functionality from privileged system-wide daemons such as systemd
through special mount options for userns-bound BPF fs to a trusted
& unprivileged application. With addressed changes from Christian
and Linus' reviews, from Andrii Nakryiko.
2) Support registration of struct_ops types from modules which helps
projects like fuse-bpf that seeks to implement a new struct_ops type,
from Kui-Feng Lee.
3) Add support for retrieval of cookies for perf/kprobe multi links,
from Jiri Olsa.
4) Bigger batch of prep-work for the BPF verifier to eventually support
preserving boundaries and tracking scalars on narrowing fills,
from Maxim Mikityanskiy.
5) Extend the tc BPF flavor to support arbitrary TCP SYN cookies to help
with the scenario of SYN floods, from Kuniyuki Iwashima.
6) Add code generation to inline the bpf_kptr_xchg() helper which
improves performance when stashing/popping the allocated BPF objects,
from Hou Tao.
7) Extend BPF verifier to track aligned ST stores as imprecise spilled
registers, from Yonghong Song.
8) Several fixes to BPF selftests around inline asm constraints and
unsupported VLA code generation, from Jose E. Marchesi.
9) Various updates to the BPF IETF instruction set draft document such
as the introduction of conformance groups for instructions,
from Dave Thaler.
10) Fix BPF verifier to make infinite loop detection in is_state_visited()
exact to catch some too lax spill/fill corner cases,
from Eduard Zingerman.
11) Refactor the BPF verifier pointer ALU check to allow ALU explicitly
instead of implicitly for various register types, from Hao Sun.
12) Fix the flaky tc_redirect_dtime BPF selftest due to slowness
in neighbor advertisement at setup time, from Martin KaFai Lau.
13) Change BPF selftests to skip callback tests for the case when the
JIT is disabled, from Tiezhu Yang.
14) Add a small extension to libbpf which allows to auto create
a map-in-map's inner map, from Andrey Grafin.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (107 commits)
selftests/bpf: Add missing line break in test_verifier
bpf, docs: Clarify definitions of various instructions
bpf: Fix error checks against bpf_get_btf_vmlinux().
bpf: One more maintainer for libbpf and BPF selftests
selftests/bpf: Incorporate LSM policy to token-based tests
selftests/bpf: Add tests for LIBBPF_BPF_TOKEN_PATH envvar
libbpf: Support BPF token path setting through LIBBPF_BPF_TOKEN_PATH envvar
selftests/bpf: Add tests for BPF object load with implicit token
selftests/bpf: Add BPF object loading tests with explicit token passing
libbpf: Wire up BPF token support at BPF object level
libbpf: Wire up token_fd into feature probing logic
libbpf: Move feature detection code into its own file
libbpf: Further decouple feature checking logic from bpf_object
libbpf: Split feature detectors definitions from cached results
selftests/bpf: Utilize string values for delegate_xxx mount options
bpf: Support symbolic BPF FS delegation mount options
bpf: Fail BPF_TOKEN_CREATE if no delegation option was set on BPF FS
bpf,selinux: Allocate bpf_security_struct per BPF token
selftests/bpf: Add BPF token-enabled tests
libbpf: Add BPF token support to bpf_prog_load() API
...
====================
Link: https://lore.kernel.org/r/20240126215710.19855-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Christian Marangi says:
====================
net: phy: generic polarity + LED support for qca808x
This small series add LEDs support for qca808x.
QCA808x apply on PHY reset a strange polarity settings and require
some tweak to apply a more common configuration found on devices.
On adding support for it, it was pointed out that a similar
feature is also being implemented for a marvell PHY where
LED polarity is set per LED (and not global) and also have
a special mode where the LED is tristated.
The first 3 patch are to generalize this as we expect more PHY
in the future to have a similar configuration.
The implementation is extensible to support additional special
mode in the future with minimal changes and don't create regression
on already implemented PHY drivers.
====================
Link: https://lore.kernel.org/r/20240125203702.4552-1-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add LED support for QCA8081 PHY.
Documentation for this LEDs PHY is very scarce even with NDA access
to Documentation for OEMs. Only the blink pattern are documented and are
very confusing most of the time. No documentation is present about
forcing the LED on/off or to always blink.
Those settings were reversed by poking the regs and trying to find the
correct bits to trigger these modes. Some bits mode are not clear and
maybe the documentation option are not 100% correct. For the sake of LED
support the reversed option are enough to add support for current LED
APIs.
Supported HW control modes are:
- tx
- rx
- link_10
- link_100
- link_1000
- link_2500
- half_duplex
- full_duplex
Also add support for LED polarity set to set LED polarity to active
high or low. QSDK sets this value to high by default but PHY reset value
doesn't have this enabled by default.
QSDK also sets 2 additional bits but their usage is not clear, info about
this is added in the header. It was verified that for correct function
of the LED if active high is needed, only BIT 6 is needed.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240125203702.4552-6-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add Documentation for QCA808x PHYs for the additional LED configuration
for this PHY.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240125203702.4552-5-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for PHY LEDs polarity modes. Some PHY require LED to be set
to active low to be turned ON. Adds support for this by declaring
active-low property in DT.
PHY driver needs to declare .led_polarity_set() to configure LED
polarity modes. Function will pass the index with the LED index and a
bitmap with all the required modes to set.
Current supported modes are:
- active-low with the flag PHY_LED_ACTIVE_LOW. LED is set to active-low
to turn it ON.
- inactive-high-impedance with the flag PHY_LED_INACTIVE_HIGH_IMPEDANCE.
LED is set to high impedance to turn it OFF.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240125203702.4552-4-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Document LED inactive high impedance mode to set the LED to require high
impedance configuration to be turned OFF.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240125203702.4552-3-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Move LED active-low property to common.yaml. This property is currently
defined multiple times by bcm LEDs. This property will now be supported
in a generic way for PHY LEDs with the use of a generic function.
With active-low bool property not defined, active-high is always
assumed.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240125203702.4552-2-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
A potential string truncation was reported in bnx2x_fill_fw_str(),
when a long bp->fw_ver and a long phy_fw_ver might coexist, but seems
unlikely with real-world hardware.
Use scnprintf() to indicate the intent that truncations are tolerated.
While reading this code, I found a collection of various buffer size
counting issues. None looked like they might lead to a buffer overflow
with current code (the small buffers are 20 bytes and might only ever
consume 10 bytes twice with a trailing %NUL). However, early truncation
(due to a %NUL in the middle of the string) might be happening under
likely rare conditions. Regardless fix the formatters and related
functions:
- Switch from a separate strscpy() to just adding an additional "%s" to
the format string that immediately follows it in bnx2x_fill_fw_str().
- Use sizeof() universally instead of using unbound defines.
- Fix bnx2x_7101_format_ver() and bnx2x_null_format_ver() to report the
number of characters written, not including the trailing %NUL (as
already done with the other firmware formatting functions).
- Require space for at least 1 byte in bnx2x_get_ext_phy_fw_version()
for the trailing %NUL.
- Correct the needed buffer size in bnx2x_3_seq_format_ver().
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202401260858.jZN6vD1k-lkp@intel.com/
Cc: Ariel Elior <aelior@marvell.com>
Cc: Sudarsana Kalluru <skalluru@marvell.com>
Cc: Manish Chopra <manishc@marvell.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20240126041044.work.220-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Per filesystems/sysfs.rst, show() should only use sysfs_emit()
or sysfs_emit_at() when formatting the value to be returned to user space.
coccinelle complains that there are still a couple of functions that use
snprintf(). Convert them to sysfs_emit().
> ./drivers/ptp/ptp_sysfs.c:27:8-16: WARNING: please use sysfs_emit
No functional change intended
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://lore.kernel.org/r/20240125015329.123023-1-lizhijian@fujitsu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If more than 16000 inflight AF_UNIX sockets exist and the garbage
collector is not running, unix_(dgram|stream)_sendmsg() call unix_gc().
Also, they wait for unix_gc() to complete.
In unix_gc(), all inflight AF_UNIX sockets are traversed at least once,
and more if they are the GC candidate. Thus, sendmsg() significantly
slows down with too many inflight AF_UNIX sockets.
However, if a process sends data with no AF_UNIX FD, the sendmsg() call
does not need to wait for GC. After this change, only the process that
meets the condition below will be blocked under such a situation.
1) cmsg contains AF_UNIX socket
2) more than 32 AF_UNIX sent by the same user are still inflight
Note that even a sendmsg() call that does not meet the condition but has
AF_UNIX FD will be blocked later in unix_scm_to_skb() by the spinlock,
but we allow that as a bonus for sane users.
The results below are the time spent in unix_dgram_sendmsg() sending 1
byte of data with no FD 4096 times on a host where 32K inflight AF_UNIX
sockets exist.
Without series: the sane sendmsg() needs to wait gc unreasonably.
$ sudo /usr/share/bcc/tools/funclatency -p 11165 unix_dgram_sendmsg
Tracing 1 functions for "unix_dgram_sendmsg"... Hit Ctrl-C to end.
^C
nsecs : count distribution
[...]
524288 -> 1048575 : 0 | |
1048576 -> 2097151 : 3881 |****************************************|
2097152 -> 4194303 : 214 |** |
4194304 -> 8388607 : 1 | |
avg = 1825567 nsecs, total: 7477526027 nsecs, count: 4096
With series: the sane sendmsg() can finish much faster.
$ sudo /usr/share/bcc/tools/funclatency -p 8702 unix_dgram_sendmsg
Tracing 1 functions for "unix_dgram_sendmsg"... Hit Ctrl-C to end.
^C
nsecs : count distribution
[...]
128 -> 255 : 0 | |
256 -> 511 : 4092 |****************************************|
512 -> 1023 : 2 | |
1024 -> 2047 : 0 | |
2048 -> 4095 : 0 | |
4096 -> 8191 : 1 | |
8192 -> 16383 : 1 | |
avg = 410 nsecs, total: 1680510 nsecs, count: 4096
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240123170856.41348-6-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If more than 16000 inflight AF_UNIX sockets exist and the garbage
collector is not running, unix_(dgram|stream)_sendmsg() call unix_gc().
Also, they wait for unix_gc() to complete.
In unix_gc(), all inflight AF_UNIX sockets are traversed at least once,
and more if they are the GC candidate. Thus, sendmsg() significantly
slows down with too many inflight AF_UNIX sockets.
There is a small window to invoke multiple unix_gc() instances, which
will then be blocked by the same spinlock except for one.
Let's convert unix_gc() to use struct work so that it will not consume
CPUs unnecessarily.
Note WRITE_ONCE(gc_in_progress, true) is moved before running GC.
If we leave the WRITE_ONCE() as is and use the following test to
call flush_work(), a process might not call it.
CPU 0 CPU 1
--- ---
start work and call __unix_gc()
if (work_pending(&unix_gc_work) || <-- false
READ_ONCE(gc_in_progress)) <-- false
flush_work(); <-- missed!
WRITE_ONCE(gc_in_progress, true)
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20240123170856.41348-5-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, unix_get_socket() returns struct sock, but after calling
it, we always cast it to unix_sk().
Let's return struct unix_sock from unix_get_socket().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240123170856.41348-4-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When touching unix_sk(sk)->inflight, we are always under
spin_lock(&unix_gc_lock).
Let's convert unix_sk(sk)->inflight to the normal unsigned long.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240123170856.41348-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Quoting from commit 4223f8651287 ("net: dsa: mt7530: make NET_DSA_MT7530
select MEDIATEK_GE_PHY"):
Make MediaTek MT753x DSA driver enable MediaTek Gigabit PHYs driver to
properly control MT7530 and MT7531 switch PHYs.
A noticeable change is that the behaviour of switchport interfaces going
up-down-up-down is no longer there.
Now, the switch can be used without the PHYs but, at the moment, every
hardware design out there that I have seen uses them. For that, it would
make the most sense to force the selection of MEDIATEK_GE_PHY for the MDIO
interface which currently controls the MT7530 and MT7531 switches.
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20240122053451.8004-1-arinc.unal@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There are no break lines in the test log for test_verifier #106 ~ #111
if jit is disabled, add the missing line break at the end of printf()
to fix it.
Without this patch:
[root@linux bpf]# echo 0 > /proc/sys/net/core/bpf_jit_enable
[root@linux bpf]# ./test_verifier 106
#106/p inline simple bpf_loop call SKIP (requires BPF JIT)Summary: 0 PASSED, 1 SKIPPED, 0 FAILED
With this patch:
[root@linux bpf]# echo 0 > /proc/sys/net/core/bpf_jit_enable
[root@linux bpf]# ./test_verifier 106
#106/p inline simple bpf_loop call SKIP (requires BPF JIT)
Summary: 0 PASSED, 1 SKIPPED, 0 FAILED
Fixes: 0b50478fd877 ("selftests/bpf: Skip callback tests if jit is disabled in test_verifier")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20240126015736.655-1-yangtiezhu@loongson.cn
Clarify definitions of several instructions:
* BPF_NEG does not support BPF_X
* BPF_CALL does not support BPF_JMP32 or BPF_X
* BPF_EXIT does not support BPF_X
* BPF_JA does not support BPF_X (was implied but not explicitly stated)
Also fix a typo in the wide instruction figure where the field is
actually named "opcode" not "code".
Signed-off-by: Dave Thaler <dthaler1968@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/bpf/20240126040050.8464-1-dthaler1968@gmail.com
In bpf_struct_ops_map_alloc, it needs to check for NULL in the returned
pointer of bpf_get_btf_vmlinux() when CONFIG_DEBUG_INFO_BTF is not set.
ENOTSUPP is used to preserve the same behavior before the
struct_ops kmod support.
In the function check_struct_ops_btf_id(), instead of redoing the
bpf_get_btf_vmlinux() that has already been done in syscall.c, the fix
here is to check for prog->aux->attach_btf_id.
BPF_PROG_TYPE_STRUCT_OPS must require attach_btf_id and syscall.c
guarantees a valid attach_btf as long as attach_btf_id is set.
When attach_btf_id is not set, this patch returns -ENOTSUPP
because it is what the selftest in test_libbpf_probe_prog_types()
and libbpf_probes.c are expecting for feature probing purpose.
Changes from v1:
- Remove an unnecessary NULL check in check_struct_ops_btf_id()
Reported-by: syzbot+88f0aafe5f950d7489d7@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/bpf/00000000000040d68a060fc8db8c@google.com/
Reported-by: syzbot+1336f3d4b10bcda75b89@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/bpf/00000000000026353b060fc21c07@google.com/
Fixes: fcc2c1fb0651 ("bpf: pass attached BTF to the bpf_struct_ops subsystem")
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240126023113.1379504-1-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
I've been working on BPF verifier, BPF selftests and, to some extent,
libbpf, for some time. As suggested by Andrii and Alexei,
I humbly ask to add me to maintainers list:
- As reviewer for BPF [GENERAL]
- As maintainer for BPF [LIBRARY]
- As maintainer for BPF [SELFTESTS]
This patch adds dedicated entries to MAINTAINERS.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240126032554.9697-1-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
PHY loopback turns off link state change signalling. Therefore, the
loopback only works if the link is already up before the PHY loopback is
activated.
Ensure that PHY loopback works even if the link is not already up during
activation by calling netif_carrier_on() explicitly.
Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Link: https://lore.kernel.org/r/20240123200151.60848-1-gerhard@engleder-embedded.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Previously, each caller of gve_rx_alloc_buffer had to increase counter
and as a result one caller was not tracking those failure. Increasing
counters at a common location now so callers don't have to duplicate
code or miss counter management.
Signed-off-by: Ankit Garg <nktgrg@google.com>
Link: https://lore.kernel.org/r/20240124205435.1021490-1-nktgrg@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
David Ahern says:
====================
selftests: Updates to fcnal-test for autoamted environment
The first patch updates the PATH for fcnal-test.sh to find the nettest
binary when invoked at the top-level directory via
make -C tools/testing/selftests TARGETS=net run_tests
Second patch fixes a bug setting the ping_group; it has a compound value
and that value is not traversing the various helper functions in tact.
Fix by creating a helper specific to setting it.
Third patch adds more output when a test fails - e.g., to catch a change
in the return code of some test.
With these 3 patches, the entire suite completes successfully when
run on Ubuntu 23.10 with 6.5 kernel - 914 tests pass, 0 fail.
====================
Link: https://lore.kernel.org/r/20240124214117.24687-1-dsahern@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
ping_group_range sysctl has a compound value which does not go
through the various function layers in tact. Create a helper
function to bypass the layers and correctly set the value.
Signed-off-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240124214117.24687-3-dsahern@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Allow fcnal-test.sh to be run from top level directory in the
kernel repo as well as from tools/testing/selftests/net by
setting the PATH to find the in-tree nettest.
Signed-off-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240124214117.24687-2-dsahern@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The first "new features" pull request for v6.9. We have only driver
changes this time and most of them are for Realtek drivers. Really
nice to see activity in Broadcom drivers again.
Major changes:
rtwl8xxxu
* RTL8188F: concurrent interface support
* Channel Switch Announcement (CSA) support in AP mode
brcmfmac
* per-vendor feature support
* per-vendor SAE password setup
rtlwifi
* speed up USB firmware initialisation
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Merge tag 'wireless-next-2024-01-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.9
The first "new features" pull request for v6.9. We have only driver
changes this time and most of them are for Realtek drivers. Really
nice to see activity in Broadcom drivers again.
Major changes:
rtwl8xxxu
* RTL8188F: concurrent interface support
* Channel Switch Announcement (CSA) support in AP mode
brcmfmac
* per-vendor feature support
* per-vendor SAE password setup
rtlwifi
* speed up USB firmware initialisation
* tag 'wireless-next-2024-01-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (105 commits)
wifi: iwlegacy: Use kcalloc() instead of kzalloc()
wifi: rtw89: fix disabling concurrent mode TX hang issue
wifi: rtw89: fix HW scan timeout due to TSF sync issue
wifi: rtw89: add wait/completion for abort scan
wifi: rtw89: fix null pointer access when abort scan
wifi: rtw89: disable RTS when broadcast/multicast
wifi: rtw89: Set default CQM config if not present
wifi: rtw89: refine hardware scan C2H events
wifi: rtw89: refine add_chan H2C command to encode_bits
wifi: rtw89: 8922a: add BTG functions to assist BT coexistence to control TX/RX
wifi: rtw89: 8922a: add TX power related ops
wifi: rtw89: 8922a: add register definitions of H2C, C2H, page, RRSR and EDCCA
wifi: rtw89: 8922a: add chip_ops related to BB init
wifi: rtw89: 8922a: add chip_ops::{enable,disable}_bb_rf
wifi: rtw89: add mlo_dbcc_mode for WiFi 7 chips
wifi: rtlwifi: Speed up firmware loading for USB
wifi: rtl8xxxu: add missing number of sec cam entries for all variants
wifi: brcmfmac: allow per-vendor event handling
wifi: brcmfmac: avoid invalid list operation when vendor attach fails
wifi: brcmfmac: Demote vendor-specific attach/detach messages to info
...
====================
Link: https://lore.kernel.org/r/20240125104030.B6CA6C433C7@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
SOCK_SEQPACKET is supported for virtio transport, so do not interpret
such type of socket as unknown.
Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20240124193255.3417803-1-avkrasnov@salutedevices.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pedro Tammela says:
====================
selftests: tc-testing: misc changes for tdc
Patches 1 and 3 are fixes for tdc that were discovered when running it
using defconfig + tc-testing config and against the latest iproute2.
Patch 2 improves the taprio tests.
Patch 4 enables all tdc tests.
Patch 5 fixes the return code of tdc for when a test fails
setup/teardown.
====================
Link: https://lore.kernel.org/r/20240124181933.75724-1-pctammela@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
As of today tests throwing exceptions in setup/teardown phase are
treated as skipped but they should really be failures.
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/r/20240124181933.75724-6-pctammela@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For the longest time tdc ran only actions and qdiscs tests.
It's time to enable all the remaining tests so every user visible
piece of TC is tested by the downstream CIs.
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/r/20240124181933.75724-5-pctammela@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
