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Add pinctrl driver for the sc8180x TLMM block.
A noteworthy difference from previous TLMM blocks is that the registers
for GPIO 177 through 189 are for some reason offset from the typical
layout. Other than that the driver is same old...
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210126042650.1725176-3-bjorn.andersson@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add binding for the TLMM block in the Qualcomm SC8180X platform.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210126042650.1725176-2-bjorn.andersson@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Several properties are shared between all TLMM bindings. By providing a
common binding to define these properties each platform's binding can be
reduced to just listing which of these properties should be checked for
- or further specified.
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210126042650.1725176-1-bjorn.andersson@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The ieee80211 class registers a callback which actually does nothing.
Given that the callback is optional, and all its accesses are protected
by a NULL check, remove it entirely.
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Link: https://lore.kernel.org/r/20210208113356.4105-1-mcroce@linux.microsoft.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Update RTL8822C devices' RF_A tables to v60.
The new parameters fix incorrect RSSI report under 2.4G link.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210209070755.23019-9-pkshih@realtek.com
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Update RTL8822C devices' RF_B tables to v60.
The new parameters fix incorrect RSSI report under 2.4G link.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210209070755.23019-8-pkshih@realtek.com
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Update RTL8822C devices' RF_A tables to v60.
The new parameters fix incorrect RSSI report under 2.4G link.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210209070755.23019-7-pkshih@realtek.com
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Update RTL8822C devices' MAC/BB tables to v60.
The new parameters fix incorrect RSSI report under 2.4G link.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210209070755.23019-6-pkshih@realtek.com
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Replace tasklet so we can do tx scheduling in parallel. Since throughput
is delay-sensitive in most cases, we allocate a dedicated, high priority
wq for our needs.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210209070755.23019-5-pkshih@realtek.com
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Use napi to reduce overhead on rx interrupts.
Driver used to interrupt kernel for every Rx packet, this could
affect both system and network performance. NAPI is a mechanism that
uses polling when processing huge amount of traffic, by doing this
the number of interrupts can be decreased.
Network performance can also benefit from this patch. Since TCP
connection is bidirectional and acks are required for every several
packets. These ack packets occupie the PCI bus bandwidth and could
lead to performance degradation.
When napi is used, GRO receive is enabled by default in the mac80211
stack. So mac80211 won't pass every RX TCP packets to the kernel TCP
network stack immediately. Instead an aggregated large length TCP packet
will be delivered.
This reduces the tx acks sent and gains rx performance. After the patch,
the Rx throughput increases about 25Mbps in 11ac.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210209070755.23019-4-pkshih@realtek.com
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Since we set the IEEE80211_HW_HAS_RATE_CONTROL flag, so use_rts in
ieee80211_tx_info will never be set in the ieee80211_xmit_fast path.
Add length check for skb to decide whether rts is needed.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210209070755.23019-3-pkshih@realtek.com
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Register rrsr determines the response rate we send.
In field tests, using rate higher than current tx rate could lead
to difficulty for the receiving end to receive management/control
frames. Calculate current modulation level by tx rate then cross out
rate higher than those.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210209070755.23019-2-pkshih@realtek.com
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This adds pincontrol driver for tlmm block found in SM8350 SoC
This patch is based on initial code downstream by Raghavendra.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210205140132.274242-3-vkoul@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add device tree binding Documentation details for Qualcomm SM8350
pinctrl driver.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20210205140132.274242-2-vkoul@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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We use this driver as a backport that also runs on older kernels (as
part of the backports project). So we use some checks to backport or
prevent code from compiling in incompatible kernel version.
When I took one of the PNVM patches from the backport, I accidentally
left the comment that a certain part of the code doesn't work in older
kernels. This obviously should never be valid for the mainline.
Remove this comment.
Reported-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210211223049.40d545a0fa89.I04793aaa5312b926335c8db32131f000432df511@changeid
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There is no need to do irqsave and irqrestore in context of hard IRQ.
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-5.12
at24: updates for v5.12
- add a new compatible string to the AT24 DT bindings
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All 32-bit variants of BPF_FETCH (add, and, or, xor, xchg, cmpxchg)
define a 32-bit subreg and thus have zext_dst set. Their encoding,
however, uses dst_reg field as a base register, which causes
opt_subreg_zext_lo32_rnd_hi32() to zero-extend said base register
instead of the one the insn really defines (r0 or src_reg).
Fix by properly choosing a register being defined, similar to how
check_atomic() already does that.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210210204502.83429-1-iii@linux.ibm.com
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Based on [1], BPF_CMPXCHG should always load the old value into R0. The
phrasing in bpf.rst is somewhat ambiguous in this regard, improve it to
make this aspect crystal clear.
[1] https://lore.kernel.org/bpf/CAADnVQJFcFwxEz=wnV=hkie-EDwa8s5JGbBQeFt1TGux1OihJw@mail.gmail.com/
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210210142853.82203-1-iii@linux.ibm.com
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Switch to using the new API kobj_to_dev() to fix the below warnning:
/drivers/hwmon/da9052-hwmon.c:302:60-61: WARNING opportunity for
kobj_to_dev().
Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Link: https://lore.kernel.org/r/1612860208-51088-1-git-send-email-tiantao6@hisilicon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add X86 CPU match for AMD family 19h model 30h. This is necessary to
enable support for energy reporting via the amd_energy module.
Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Link: https://lore.kernel.org/r/20210211172054.246276-1-nchatrad@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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As of [1], we no longer want EXT4_KUNIT_TESTS and others to `select`
their deps. This means it can get harder to get all the right things
selected as we gain more tests w/ more deps over time.
This patch (and [2]) proposes we store kunitconfig fragments in-tree to
represent sets of tests. (N.B. right now we only have one ext4 test).
There's still a discussion to be had about how to have a hierarchy of
these files (e.g. if one wanted to test all of fs/, not just fs/ext4).
But this fragment would likely be a leaf node and isn't blocked on
deciding if we want `import` statements and the like.
Usage
=====
Before [2] (on its way to being merged):
$ cp fs/ext4/.kunitconfig .kunit/
$ ./tools/testing/kunit/kunit.py run
After [2]:
$ ./tools/testing/kunit/kunit.py run --kunitconfig=fs/ext4/.kunitconfig
".kunitconfig" vs "kunitconfig"
===============================
See also: commit 14ee5cfd4512 ("kunit: Rename 'kunitconfig' to '.kunitconfig'").
* The bit about .gitignore exluding it by default is now a con, however.
* But there are a lot of directories with files that begin with "k" and
so this could cause some annoyance w/ tab completion*
* This is the name kunit.py expects right now, so some people are used
to .kunitconfig over "kunitconfig"
[1] https://lore.kernel.org/linux-ext4/20210122110234.2825685-1-geert@linux-m68k.org/
[2] https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git/commit/?h=kunit&id=243180f5924ed27ea417db39feb7f9691777688e
* 372/5556 directories isn't too much, but still not a small number:
$ find -type f -name 'k*' | xargs dirname | sort -u | wc -l
372
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Link: https://lore.kernel.org/r/20210210013206.136227-1-dlatypov@google.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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EXT4_KUNIT_TESTS selects EXT4_FS, thus enabling an optional feature the
user may not want to enable. Fix this by making the test depend on
EXT4_FS instead.
Fixes: 1cbeab1b242d16fd ("ext4: add kunit test for decoding extended timestamps")
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20210122110234.2825685-1-geert@linux-m68k.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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into drm-fixes
(I've pulled from a non-tag to get the ttm regression fix)
drm-misc-fixes-2021-02-10:
* dp_mst: Don't report un-attached ports as connected
* sun4i: tcon1 sync polarity fix; Always set HDMI clock rate; Fix
H6 HDMI PHY config; Fix H6 max frequency
* vc4: Fix buffer overflow
* xlnx: Fix memory leak
* ttm: page pool regression fix.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YCPo6g3gDxD3P//h@linux-uq9g
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bpf_prog_realloc copies contents of struct bpf_prog.
The pointers have to be cleared before freeing old struct.
Reported-by: Ilya Leoshkevich <iii@linux.ibm.com>
Fixes: 700d4796ef59 ("bpf: Optimize program stats")
Fixes: ca06f55b9002 ("bpf: Add per-program recursion prevention mechanism")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
mlx5-fixes-2021-02-11
Saeed Mahameed says:
====================
mlx5 fixes 2021-02-11
This series introduces some fixes to mlx5 driver.
Please pull and let me know if there is any problem.
For -stable v5.4
('net/mlx5e: E-switch, Fix rate calculation for overflow')i
For -stable v5.10
('net/mlx5: Disallow RoCE on multi port slave device')
('net/mlx5: Disable devlink reload for multi port slave device')
('net/mlx5e: Don't change interrupt moderation params when DIM is enabled')
('net/mlx5e: Replace synchronize_rcu with synchronize_net')
('net/mlx5e: Enable XDP for Connect-X IPsec capable devices')
('net/mlx5e: kTLS, Use refcounts to free kTLS RX priv context')
('net/mlx5e: Check tunnel offload is required before setting SWP')
('net/mlx5: Fix health error state handling')
('net/mlx5: Disable devlink reload for lag devices')
('net/mlx5e: CT: manage the lifetime of the ct entry object')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bd718x7 only needs a regmap from parent device. This can be
obtained by call to dev_get_regmap. Do not require parent to
populate the driver data for this.
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/20210105123028.GA3409663@localhost.localdomain
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Tariq Toukan says:
====================
Compile-flag for sock RX queue mapping
Socket's RX queue mapping logic is useful also for non-XPS use cases.
This series breaks the dependency between the two, introducing a new
kernel config flag SOCK_RX_QUEUE_MAPPING.
Here we select this new kernel flag from TLS_DEVICE, as well as XPS.
====================
Acked-by: Jakub Kicinski <kuba@kernel.org>
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No real dependency on XPS, but on RX queue mapping, which
is being selected by TLS_DEVICE.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Compile-in the socket RX queue mapping field and logic when TLS_DEVICE
is enabled. This allows device drivers to pick the recorded socket's
RX queue and use it for streams distribution.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use a new config SOCK_RX_QUEUE_MAPPING to compile-in the socket
RX queue field and logic, instead of the XPS config.
This breaks dependency in XPS, and allows selecting it from non-XPS
use cases, as we do in the next patch.
In addition, use the new flag to wrap the logic in sk_rx_queue_get()
and protect access to the sk_rx_queue_mapping field, while keeping
the function exposed unconditionally, just like sk_rx_queue_set()
and sk_rx_queue_clear().
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CLK_SET_RATE_PARENT flag is checked on parent clock instead of current
one. Fix that.
Fixes: 3f790433c3cb ("clk: sunxi-ng: Adjust MP clock parent rate when allowed")
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Tested-by: Andre Heider <a.heider@gmail.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://lore.kernel.org/r/20210209175900.7092-2-jernej.skrabec@siol.net
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Check that tunnel offload is required before setting Software Parser
offsets to get Geneve HW offload. In case of Geneve packet we check HW
offload support of SWP in mlx5e_tunnel_features_check() and set features
accordingly, this should be reflected in skb offload requested by the
kernel and we should add the Software Parser offsets only if requested.
Otherwise, in case HW doesn't support SWP for Geneve, data path will
mistakenly try to offload Geneve SKBs with skb->encapsulation set,
regardless of whether offload was requested or not on this specific SKB.
Fixes: e3cfc7e6b7bd ("net/mlx5e: TX, Add geneve tunnel stateless offload support")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The ct entry object is accessed by the ct add, del, stats and restore
methods. In addition, it is referenced from several hash tables.
The lifetime of the ct entry object was not managed which triggered race
conditions as in the following kasan dump:
[ 3374.973945] ==================================================================
[ 3374.988552] BUG: KASAN: use-after-free in memcmp+0x4c/0x98
[ 3374.999590] Read of size 1 at addr ffff00036129ea55 by task ksoftirqd/1/15
[ 3375.016415] CPU: 1 PID: 15 Comm: ksoftirqd/1 Tainted: G O 5.4.31+ #1
[ 3375.055301] Call trace:
[ 3375.060214] dump_backtrace+0x0/0x238
[ 3375.067580] show_stack+0x24/0x30
[ 3375.074244] dump_stack+0xe0/0x118
[ 3375.081085] print_address_description.isra.9+0x74/0x3d0
[ 3375.091771] __kasan_report+0x198/0x1e8
[ 3375.099486] kasan_report+0xc/0x18
[ 3375.106324] __asan_load1+0x60/0x68
[ 3375.113338] memcmp+0x4c/0x98
[ 3375.119409] mlx5e_tc_ct_restore_flow+0x3a4/0x6f8 [mlx5_core]
[ 3375.131073] mlx5e_rep_tc_update_skb+0x1d4/0x2f0 [mlx5_core]
[ 3375.142553] mlx5e_handle_rx_cqe_rep+0x198/0x308 [mlx5_core]
[ 3375.154034] mlx5e_poll_rx_cq+0x2a0/0x1060 [mlx5_core]
[ 3375.164459] mlx5e_napi_poll+0x1d4/0xa78 [mlx5_core]
[ 3375.174453] net_rx_action+0x28c/0x7a8
[ 3375.182004] __do_softirq+0x1b4/0x5d0
Manage the lifetime of the ct entry object by using synchornization
mechanisms for concurrent access.
Fixes: ac991b48d43c ("net/mlx5e: CT: Offload established flows")
Signed-off-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Devlink reload can't be allowed on lag devices since reloading one lag
device will cause traffic on the bond to get stucked.
Users who wish to reload a lag device, need to remove the device from
the bond, and only then reload it.
Fixes: 4383cfcc65e7 ("net/mlx5: Add devlink reload")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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In lag mode, setting roce enabled/disable of lag device have no effect.
e.g.: bond device (roce/vf_lag) roce status remain unchanged.
Therefore disable it and add an error message.
Fixes: cc9defcbb8fa ("net/mlx5: Handle "enable_roce" devlink param")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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In dual port mode, setting roce enabled/disable for the slave device
have no effect. e.g.: the slave device roce status remain unchanged.
Therefore disable it and add an error message.
Enable or disable roce of the master device affect both master and slave
devices.
Fixes: cc9defcbb8fa ("net/mlx5: Handle "enable_roce" devlink param")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Devlink reload can't be allowed on a multi port slave device, because
reload of slave device doesn't take effect.
The right flow is to disable devlink reload for multi port slave
device. Hence, disabling it in mlx5_core probing.
Fixes: 4383cfcc65e7 ("net/mlx5: Add devlink reload")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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wait_for_resync is unreliable - if it timeouts, priv_rx will be freed
anyway. However, mlx5e_ktls_handle_get_psv_completion will be called
sooner or later, leading to use-after-free. For example, it can happen
if a CQ error happened, and ICOSQ stopped, but later on the queues are
destroyed, and ICOSQ is flushed with mlx5e_free_icosq_descs.
This patch converts the lifecycle of priv_rx to fully refcount-based, so
that the struct won't be freed before the refcount goes to zero.
Fixes: 0419d8c9d8f8 ("net/mlx5e: kTLS, Add kTLS RX resync support")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The commit mentioned below has split the parameters of ICOSQ and async
ICOSQ, but it contained a typo: the CQ parameters were swapped for ICOSQ
and async ICOSQ. Async ICOSQ is longer than the normal ICOSQ, and the CQ
size must be the same as the size of the corresponding SQ, but due to
this bug, the CQ of async ICOSQ was much shorter than async ICOSQ
itself. It led to overflows of the CQ with such messages in dmesg, in
particular, when running multiple kTLS-offloaded streams:
mlx5_core 0000:08:00.0: cq_err_event_notifier:529:(pid 9422): CQ error
on CQN 0x406, syndrome 0x1
mlx5_core 0000:08:00.0 eth2: mlx5e_cq_error_event: cqn=0x000406
event=0x04
This commit fixes the issue by using the corresponding parameters for
ICOSQ and async ICOSQ.
Fixes: c293ac927fbb ("net/mlx5e: Refactor build channel params")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The commit cited below switched from using napi_synchronize to
synchronize_rcu to have a guarantee that it will finish in finite time.
However, on average, synchronize_rcu takes more time than
napi_synchronize. Given that it's called multiple times per channel on
deactivation, it accumulates to a significant amount, which causes
timeouts in some applications (for example, when using bonding with
NetworkManager).
This commit replaces synchronize_rcu with synchronize_net, which is
faster when called under rtnl_lock, allowing to speed up the described
flow.
Fixes: 9c25a22dfb00 ("net/mlx5e: Use synchronize_rcu to sync with NAPI")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Currently, when we discover a fatal error, we are queueing a work that
will wait for a lock in order to enter the device to error state.
Meanwhile, FW commands are still being processed, and gets timeouts.
This can block the driver for few minutes before the work will manage
to get the lock and enter to error state.
Setting the device to error state before queueing health work, in order
to avoid FW commands being processed while the work is waiting for the
lock.
Fixes: c1d4d2e92ad6 ("net/mlx5: Avoid calling sleeping function by the health poll thread")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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closed
struct mlx5e_params contains fields ({rx,tx}_cq_moderation) that depend
on two things: whether DIM is enabled and the state of a private flag
(MLX5E_PFLAG_{RX,TX}_CQE_BASED_MODER). Whenever the DIM state changes,
mlx5e_reset_{rx,tx}_moderation is called to update the fields, however,
only if the channels are open. The flow where the channels are closed
misses the required update of the fields. This commit moves the calls of
mlx5e_reset_{rx,tx}_moderation, so that they run in both flows.
Fixes: ebeaf084ad5c ("net/mlx5e: Properly set default values when disabling adaptive moderation")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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When mlx5e_ethtool_set_coalesce doesn't change DIM state
(enabled/disabled), it calls mlx5e_set_priv_channels_coalesce
unconditionally, which in turn invokes a firmware command to set
interrupt moderation parameters. It shouldn't happen while DIM manages
those parameters dynamically (it might even be happening at the same
time).
This patch fixes it by splitting mlx5e_set_priv_channels_coalesce into
two functions (for RX and TX) and calling them only when DIM is disabled
(for RX and TX respectively).
Fixes: cb3c7fd4f839 ("net/mlx5e: Support adaptive RX coalescing")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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This limitation was inherited by previous Innova (FPGA) IPsec
implementation, it uses its private set of RQ handlers which
does not support XDP, for Connect-X this is no longer true.
Fix by keeping this limitation only for Innova IPsec supporting devices,
as otherwise this limitation effectively wrongly blocks XDP for all
future Connect-X devices for all flows even if IPsec offload is not
used.
Fixes: 2d64663cd559 ("net/mlx5: IPsec: Add HW crypto offload support")
Signed-off-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Alaa Hleihel <alaa@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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This limitation was inherited by previous Innova (FPGA) IPsec
implementation, it uses its private set of RQ handlers which does
not support striding rq, for Connect-X this is no longer true.
Fix by keeping this limitation only for Innova IPsec supporting devices,
as otherwise this limitation effectively wrongly blocks striding RQs for
all future Connect-X devices for all flows even if IPsec offload is not
used.
Fixes: 2d64663cd559 ("net/mlx5: IPsec: Add HW crypto offload support")
Signed-off-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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rate_bytes_ps is a 64-bit field. It passed as 32-bit field to
apply_police_params(). Due to this when police rate is higher
than 4Gbps, 32-bit calculation ignores the carry. This results
in incorrect rate configurationn the device.
Fix it by performing 64-bit calculation.
Fixes: fcb64c0f5640 ("net/mlx5: E-Switch, add ingress rate support")
Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Mat Martineau says:
====================
mptcp: Miscellaneous fixes
Here are some MPTCP fixes for the -net tree, addressing various issues
we have seen thanks to syzkaller and other testing:
Patch 1 correctly propagates errors at connection time and for TCP
fallback connections.
Patch 2 sets the expected poll() events on SEND_SHUTDOWN.
Patch 3 fixes a retranmit crash and unneeded retransmissions.
Patch 4 fixes possible uninitialized data on the error path during
socket creation.
Patch 5 addresses a problem with MPTCP window updates.
Patch 6 fixes a case where MPTCP retransmission can get stuck.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently we do not schedule the MPTCP retransmission
timer after pushing the data when such action happens
in the subflow context.
This may cause hang-up on active-backup scenarios, or
even when only single subflow msks are involved, if we lost
some peer's ack.
Fixes: 6e628cd3a8f7 ("mptcp: use mptcp release_cb for delayed tasks")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move mptcp_cleanup_rbuf() related checks inside the mentioned
helper and extend them to mirror TCP checks more closely.
Additionally drop the 'rmem_pending' hack, since commit 879526030c8b
("mptcp: protect the rx path with the msk socket spinlock") we
can use instead 'rmem_released'.
Fixes: ea4ca586b16f ("mptcp: refine MPTCP-level ack scheduling")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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