| Age | Commit message (Collapse) | Author |
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The calling of stmmac_pltfr_remove() now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the devres variant of stmmac_pltfr_probe() and finally drop the
remove() hook.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simplify the driver's probe() function by using the devres
variant of stmmac_probe_config_dt().
The remove_new() callback now needs to be switched to
stmmac_pltfr_remove_no_dt().
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit 2e38a2a981b2 ("thermal/core: Add a generic thermal_zone_set_trip()
function") updating a trip point temperature doesn't actually work,
because the value supplied by user space is subsequently overwritten
with the current trip point hysteresis value.
Fix this by changing the code to parse the number string supplied by
user space after retrieving the current trip point data from the
thermal zone.
Also drop a redundant tab character from the code in question.
Fixes: 2e38a2a981b2 ("thermal/core: Add a generic thermal_zone_set_trip() function")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: 6.3+ <stable@vger.kernel.org> # 6.3+
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Add sw fallback of tx checksum calculation for those tx queues that
don't support tx checksum offloading. DW xGMAC IP can be synthesized
such that it can support tx checksum offloading only for a few
initial tx queues. Also as Serge pointed out, for the DW QoS IP, tx
coe can be individually configured for each tx queue.
So when tx coe is enabled, for any tx queue that doesn't support
tx coe with 'coe-unsupported' flag set will have a sw fallback
happen in the driver for tx checksum calculation when any packets to
be transmitted on these tx queues.
Signed-off-by: Rohan G Thomas <rohan.g.thomas@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A bug was introduced during unification of setting CAP_SMP_T_SWCOORD for
the _PDC and _OSC methods.
The third u32 in the buffer is never cleared before setting bits on it.
The memory is not guaranteed to be zero as it was allocated by kmalloc()
instead of kzalloc().
Fix this by initializing the third u32 in the buffer to 0.
Fixes: b9e8d0168a7a ("ACPI: processor: Set CAP_SMP_T_SWCOORD in arch_acpi_set_proc_cap_bits()")
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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According to the NAPI documentation networking/napi.rst, Rx specific
APIs like page pool and XDP cannot be used at all when budget is 0.
skb Tx processing should happen regardless of the budget.
Stop NAPI polling after Tx processing and skip Rx processing if budget
is 0.
Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to the NAPI documentation networking/napi.rst, for the ethtool
API a channel is a IRQ/NAPI which services queues of a given type.
tsnep uses a single IRQ/NAPI instance for every TX/RX queue pair.
Therefore, combined channels shall be returned instead of separate tx/rx
channels.
Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to the NAPI documentation networking/napi.rst, drivers which
have to mask interrupts explicitly should use the napi_schedule_prep()
and __napi_schedule() calls.
No problem seen so far with current implementation. Nevertheless, let's
align the implementation with documentation.
Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Although io-pgtable's non-leaf invalidations are always for full tables,
I missed that SVA also uses non-leaf invalidations, while being at the
mercy of whatever range the MMU notifier throws at it. This means it
definitely wants the previous TTL fix as well, since it also doesn't
know exactly which leaf level(s) may need invalidating, but it can also
give us less-aligned ranges wherein certain corners may lead to building
an invalid command where TTL, Num and Scale are all 0. It should be fine
to handle this by over-invalidating an extra page, since falling back to
a non-range command opens up a whole can of errata-flavoured worms.
Fixes: 6833b8f2e199 ("iommu/arm-smmu-v3: Set TTL invalidation hint better")
Reported-by: Rui Zhu <zhurui3@huawei.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/b99cfe71af2bd93a8a2930f20967fb2a4f7748dd.1694432734.git.robin.murphy@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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As a result of the recent Kconfig reworks, the default settings for the
framebuffer interfaces changed in unexpected ways:
Configurations that leave CONFIG_FB disabled but use DRM now get
DRM_FBDEV_EMULATION by default. This also turns on the deprecated /dev/fb
device nodes for machines that don't actually want it.
In turn, configurations that previously had DRM_FBDEV_EMULATION enabled
now only get the /dev/fb front-end but not the more useful framebuffer
console, which is not selected any more.
We had previously decided that any combination of the three frontends
(FB_DEVICE, FRAMEBUFFER_CONSOLE and LOGO) should be selectable, but the
new default settings mean that a lot of defconfig files would have to
get adapted.
Change the defaults back to what they were in Linux 6.5:
- Leave DRM_FBDEV_EMULATION turned off unless CONFIG_FB
is enabled. Previously this was a hard dependency but now the two are
independent. However, configurations that enable CONFIG_FB probably
also want to keep the emulation for DRM, while those without FB
presumably did that intentionally in the past.
- Leave FB_DEVICE turned off for FB=n. Following the same
logic, the deprecated option should not automatically get enabled
here, most users that had FB turned off in the past do not want it,
even if they want the console
- Turn the FRAMEBUFFER_CONSOLE option on if
DRM_FBDEV_EMULATION is set to avoid having to change defconfig
files that relied on it being selected unconditionally in the past.
This also makes sense since both LOGO and FB_DEVICE are now disabled
by default for builds without CONFIG_FB, but DRM_FBDEV_EMULATION
would make no sense if all three are disabled.
Fixes: a5ae331edb02b ("drm: Drop select FRAMEBUFFER_CONSOLE for DRM_FBDEV_EMULATION")
Fixes: 701d2054fa317 ("fbdev: Make support for userspace interfaces configurable")
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230911205338.2385278-1-arnd@kernel.org
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If, for any reason, the open-coded arithmetic causes a wraparound,
the protection that `struct_size()` adds against potential integer
overflows is defeated. Fix this by hardening call to `struct_size()`
with `size_add()`.
Fixes: 3f1071ec39f7 ("net: spider_net: Use struct_size() helper")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If, for any reason, the open-coded arithmetic causes a wraparound, the
protection that `struct_size()` adds against potential integer overflows
is defeated. Fix this by hardening call to `struct_size()` with `size_mul()`.
Fixes: 2285ec872d9d ("mlxsw: spectrum_acl_bloom_filter: use struct_size() in kzalloc()")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we see a 0xff value from a PCI register read, we know that
the PCI connection is broken, possibly by a low level reset that
didn't go through the nice pci_error_handlers path.
Make use of the PCI cleanup code that we already have from the
reset handlers and add some detection and attempted recovery
from a broken PCI connection.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement the callbacks for a nice PCI reset. These get called
when a user is nice enough to use the sysfs PCI reset entry, e.g.
echo 1 > /sys/bus/pci/devices/0000:2b:00.0/reset
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Keep the viftypes and the current enable/disable states
across a recovery action.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similar to what we do in the AdminQ, check for devcmd health
while waiting for an answer.
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 9b9c8195f3f0d74a826077fc1c01b9ee74907239.
The commit above is reverted as it did not solve the original issue.
gsm_cleanup_mux() tries to free up the virtual ttys by calling
gsm_dlci_release() for each available DLCI. There, dlci_put() is called to
decrease the reference counter for the DLCI via tty_port_put() which
finally calls gsm_dlci_free(). This already clears the pointer which is
being checked in gsm_cleanup_mux() before calling gsm_dlci_release().
Therefore, it is not necessary to clear this pointer in gsm_cleanup_mux()
as done in the reverted commit. The commit introduces a null pointer
dereference:
<TASK>
? __die+0x1f/0x70
? page_fault_oops+0x156/0x420
? search_exception_tables+0x37/0x50
? fixup_exception+0x21/0x310
? exc_page_fault+0x69/0x150
? asm_exc_page_fault+0x26/0x30
? tty_port_put+0x19/0xa0
gsmtty_cleanup+0x29/0x80 [n_gsm]
release_one_tty+0x37/0xe0
process_one_work+0x1e6/0x3e0
worker_thread+0x4c/0x3d0
? __pfx_worker_thread+0x10/0x10
kthread+0xe1/0x110
? __pfx_kthread+0x10/0x10
ret_from_fork+0x2f/0x50
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1b/0x30
</TASK>
The actual issue is that nothing guards dlci_put() from being called
multiple times while the tty driver was triggered but did not yet finished
calling gsm_dlci_free().
Fixes: 9b9c8195f3f0 ("tty: n_gsm: fix UAF in gsm_cleanup_mux")
Cc: stable <stable@kernel.org>
Signed-off-by: Daniel Starke <daniel.starke@siemens.com>
Link: https://lore.kernel.org/r/20230914051507.3240-1-daniel.starke@siemens.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In case the leaf driver wants to use IRQ polling (irq = 0) and
IIR register shows that an interrupt happened in the 8250 hardware
the IRQ data can be NULL. In such a case we need to skip the wake
event as we came to this path from the timer interrupt and quite
likely system is already awake.
Without this fix we have got an Oops:
serial8250: ttyS0 at I/O 0x3f8 (irq = 0, base_baud = 115200) is a 16550A
...
BUG: kernel NULL pointer dereference, address: 0000000000000010
RIP: 0010:serial8250_handle_irq+0x7c/0x240
Call Trace:
? serial8250_handle_irq+0x7c/0x240
? __pfx_serial8250_timeout+0x10/0x10
Fixes: 0ba9e3a13c6a ("serial: 8250: Add missing wakeup event reporting")
Cc: stable <stable@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20230831222555.614426-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add support to fetch firmware info such as heartbeat miss count,
heartbeat interval. This shall be used for heartbeat monitor.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If, for any reason, `tx_stats_num + rx_stats_num` wraps around, the
protection that struct_size() adds against potential integer overflows
is defeated. Fix this by hardening call to struct_size() with size_add().
Fixes: 691f4077d560 ("gve: Replace zero-length array with flexible-array member")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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queue
Tony Nguyen says:
====================
This series contains updates to iavf and i40e drivers.
Radoslaw prevents admin queue operations being added when the driver is
being removed for iavf.
Petr Oros immediately starts reconfiguration on changes to VLANs on
iavf.
Ivan Vecera moves reset of VF to occur after port VLAN values are set
on i40e.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Nothing prevents iscsi_sw_tcp_conn_bind() to receive file descriptor
pointing to non TCP socket (af_unix for example).
Return -EINVAL if this is attempted, instead of crashing the kernel.
Fixes: 7ba247138907 ("[SCSI] open-iscsi/linux-iscsi-5 Initiator: Initiator code")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Lee Duncan <lduncan@suse.com>
Cc: Chris Leech <cleech@redhat.com>
Cc: Mike Christie <michael.christie@oracle.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: open-iscsi@googlegroups.com
Cc: linux-scsi@vger.kernel.org
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert phy_stop() to use the new locked-section and unlocked-section
parts of the PHY state machine.
Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Split out the locked and unlocked sections of phy_state_machine() into
two separate functions which can be called inside the phydev lock and
outside the phydev lock as appropriate, thus allowing us to combine
the locked regions in the caller of phy_state_machine() with the
locked region inside phy_state_machine().
This avoids unnecessarily dropping the phydev lock which may allow
races to occur.
Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move phy_state_machine() before phy_stop() to avoid subsequent patches
introducing forward references.
Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the call to phy_suspend() to the end of phy_state_machine() after
we release the lock so that we can combine the locked areas.
phy_suspend() can not be called while holding phydev->lock as it has
caused deadlocks in the past.
Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the call to start auto-negotiation inside the lock in the PHYLIB
state machine, calling the locked variant _phy_start_aneg(). This
avoids unnecessarily releasing and re-acquiring the lock.
Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the locking out of phy_error_precise() and to its only call site,
merging with the locked region that has already been taken.
Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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phy_stop() calls phy_process_state_change() while holding the phydev
lock, so also arrange for phy_state_machine() to do the same, so that
this function is called with consistent locking.
Tested-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds partial Access Control List (ACL) support for the
ksz9477 family of switches. ACLs enable filtering of incoming layer 2
MAC, layer 3 IP, and layer 4 TCP/UDP packets on each port. They provide
additional capabilities for filtering routed network protocols and can
take precedence over other forwarding functions.
ACLs can filter ingress traffic based on header fields such as
source/destination MAC address, EtherType, IPv4 address, IPv4 protocol,
UDP/TCP ports, and TCP flags. The ACL is an ordered list of up to 16
access control rules programmed into the ACL Table. Each entry specifies
a set of matching conditions and action rules for controlling packet
forwarding and priority.
The ACL also implements a count function, generating an interrupt
instead of a forwarding action. It can be used as a watchdog timer or an
event counter. The ACL consists of three parts: matching rules, action
rules, and processing entries. Multiple match conditions can be either
AND'ed or OR'ed together.
This patch introduces support for a subset of the available ACL
functionality, specifically layer 2 matching and prioritization of
matched packets. For example:
tc qdisc add dev lan2 clsact
tc filter add dev lan2 ingress protocol 0x88f7 flower action skbedit prio 7
tc qdisc add dev lan1 clsact
tc filter add dev lan1 ingress protocol 0x88f7 flower action skbedit prio 7
The hardware offloading implementation was benchmarked against a
configuration without hardware offloading. This latter setup relied on a
software-based Linux bridge. No noticeable differences were observed
between the two configurations. Here is an example of software-based
test:
ip l s dev enu1u1 up
ip l s dev enu1u2 up
ip l s dev enu1u4 up
ethtool -A enu1u1 autoneg off rx off tx off
ethtool -A enu1u2 autoneg off rx off tx off
ethtool -A enu1u4 autoneg off rx off tx off
ip l a name br0 type bridge
ip l s dev br0 up
ip l s enu1u1 master br0
ip l s enu1u2 master br0
ip l s enu1u4 master br0
tc qdisc add dev enu1u1 root handle 1: ets strict 4 priomap 3 3 2 2 1 1 0 0
tc qdisc add dev enu1u4 root handle 1: ets strict 4 priomap 3 3 2 2 1 1 0 0
tc qdisc add dev enu1u2 root handle 1: ets strict 4 priomap 3 3 2 2 1 1 0 0
tc qdisc add dev enu1u1 clsact
tc filter add dev enu1u1 ingress protocol ipv4 flower action skbedit prio 7
tc qdisc add dev enu1u4 clsact
tc filter add dev enu1u4 ingress protocol ipv4 flower action skbedit prio 0
On a system attached to the port enu1u2 I run two iperf3 server
instances:
iperf3 -s -p 5210 &
iperf3 -s -p 5211 &
On systems attached to enu1u4 and enu1u1 I run:
iperf3 -u -c 172.17.0.1 -p 5210 -b100M -l1472 -t100
and
iperf3 -u -c 172.17.0.1 -p 5211 -b100M -l1472 -t100
As a result, IP traffic on port enu1u1 will be prioritized and take
precedence over IP traffic on port enu1u4
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Right now, the *_port_setup code is in dsa_switch_ops::port_enable(),
which is not the best place for it. This patch moves it to a more
suitable place, dsa_switch_ops::port_setup(), to match the function's
purpose and name.
This patch is a preparation for coming ACL support patch.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Benefit from the previous commit introducing exposure of devlink
instances relationship and set the nested instance for en auxiliary
device.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Benefit from the newly introduced rel infrastructure, treat the linecard
nested devlink instances in the same way as port function instances.
Convert the code to use the rel infrastructure.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Benefit from the existence of internal mlx5 notifier and extend it by
event MLX5_DRIVER_EVENT_SF_PEER_DEVLINK. Use this event from SF
auxiliary device probe/remove functions to pass the registered SF
devlink instance to the SF representor.
Process the new event in SF representor code and call
devl_port_fn_devlink_set() to do the assignments. Implement this in work
to avoid possible deadlock when probe/remove function of SF may be
called with devlink instance lock held during devlink reload.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Historically, the shared devlink_mutex prevented devlink instances from
being registered/unregistered during another devlink instance reload
operation. However, devlink_muxex is gone for some time now, this
limitation is no longer needed. Lift it.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The eswitch disable call does removal of all representors. Do that
before clearing the SF device table and maintain the same flow as during
SF devlink port removal, where the representor is removed before
the actual SF is removed.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When operating in fixed phy mode and if there is repeated open/close
phy test cases, everytime the fixed phy is registered as a new phy
which leads to overrun after 32 iterations. It is solved by adding
fixed_phy_unregister() in the phy_close path.
In phy_close path, netdev->phydev cannot be used directly in
fixed_phy_unregister() due to two reasons,
- netdev->phydev is set to NULL in phy_disconnect()
- fixed_phy_unregister() can be called only after phy_disconnect()
So saving the netdev->phydev in local variable 'phydev' and
passing it to phy_disconnect().
Signed-off-by: Pavithra Sathyanarayanan <Pavithra.Sathyanarayanan@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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