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This patchwork instance is hosted on kernel.org and has been used for a
long time already, it was just not mentioned in MAINTAINERS.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20230411090122.419761-2-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
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The wpan maintainers group is switching from Stefan's tree to a group
tree called 'wpan'. We will now maintain:
* wpan/wpan.git master:
Fixes targeting the 'net' tree
* wpan/wpan-next.git master:
Features targeting the 'net-next' tree
* wpan/wpan-next.git staging:
Same as the wpan-next master branch, but we will push there first,
expecting robots to parse the tree and report mistakes we would have
not catch. This branch can be rebased and force pushed, unlike the
others.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
[Fixed two small typos stefan@datenfreihafen.org]
Link: https://lore.kernel.org/r/20230411090122.419761-1-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
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After replacing e->info, it is necessary to free the old einfo.
Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: Chen Aotian <chenaotian2@163.com>
Link: https://lore.kernel.org/r/20230409022048.61223-1-chenaotian2@163.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
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Michael Chan says:
====================
bnxt_en: 3 Bug fixes
This series contains 3 small bug fixes covering ethtool self test, PCI
ID string typos, and some missing 200G link speed ethtool reporting logic.
====================
Link: https://lore.kernel.org/r/20230329013021.5205-1-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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bnxt_fw_to_ethtool_speed() is missing the case statement for 200G
link speed reported by firmware. As a result, ethtool will report
unknown speed when the firmware reports 200G link speed.
Fixes: 532262ba3b84 ("bnxt_en: ethtool: support PAM4 link speeds up to 200G")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix 57502 and 57508 NPAR description string entries. The typos
caused these devices to not match up with lspci output.
Fixes: 49c98421e6ab ("bnxt_en: Add PCI IDs for 57500 series NPAR devices.")
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When the selftest command fails, driver is not reporting the failure
by updating the "test->flags" when bnxt_close_nic() fails.
Fixes: eb51365846bc ("bnxt_en: Add basic ethtool -t selftest support.")
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix invalid registers dump from ethtool -d ethX after adapter self test
by ethtool -t ethY. It causes invalid data display.
The problem was caused by overwriting i40e_reg_list[].elements
which is common for ethtool self test and dump.
Fixes: 22dd9ae8afcc ("i40e: Rework register diagnostic")
Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Arpana Arland <arpanax.arland@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230328172659.3906413-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-03-28 (ice)
This series contains updates to ice driver only.
Jesse fixes mismatched header documentation reported when building with
W=1.
Brett restricts setting of VSI context to only applicable fields for the
given ICE_AQ_VSI_PROP_Q_OPT_VALID bit.
Junfeng adds check when adding Flow Director filters that conflict with
existing filter rules.
Jakob Koschel adds interim variable for iterating to prevent possible
misuse after looping.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: fix invalid check for empty list in ice_sched_assoc_vsi_to_agg()
ice: add profile conflict check for AVF FDIR
ice: Fix ice_cfg_rdma_fltr() to only update relevant fields
ice: fix W=1 headers mismatch
====================
Link: https://lore.kernel.org/r/20230328172035.3904953-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wpan/wpan
Stefan Schmidt says:
====================
ieee802154 for net 2023-03-29
Two small fixes this time.
Dongliang Mu removed an unnecessary null pointer check.
Harshit Mogalapalli fixed an int comparison unsigned against signed from a
recent other fix in the ca8210 driver.
* tag 'ieee802154-for-net-2023-03-29' of git://git.kernel.org/pub/scm/linux/kernel/git/wpan/wpan:
net: ieee802154: remove an unnecessary null pointer check
ca8210: Fix unsigned mac_len comparison with zero in ca8210_skb_tx()
====================
Link: https://lore.kernel.org/r/20230329064541.2147400-1-stefan@datenfreihafen.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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build_skb() no longer accepts slab buffers. Since slab use is fairly
uncommon we prefer the drivers to call a separate slab_build_skb()
function appropriately.
bnx2x uses the old semantics where size of 0 meant buffer from slab.
It sets the fp->rx_frag_size to 0 for MTUs which don't fit in a page.
It needs to call slab_build_skb().
This fixes the WARN_ONCE() of incorrect API use seen with bnx2x.
Reported-by: Thomas Voegtle <tv@lio96.de>
Link: https://lore.kernel.org/all/b8f295e4-ba57-8bfb-7d9c-9d62a498a727@lio96.de/
Fixes: ce098da1497c ("skbuff: Introduce slab_build_skb()")
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230329000013.2734957-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In gsi_trans_pool_init_dma(), the total size of a pool of memory
used for DMA transactions is calculated. However the calculation is
done incorrectly.
For 4KB pages, this total size is currently always more than one
page, and as a result, the calculation produces a positive (though
incorrect) total size. The code still works in this case; we just
end up with fewer DMA pool entries than we intended.
Bjorn Andersson tested booting a kernel with 16KB pages, and hit a
null pointer derereference in sg_alloc_append_table_from_pages(),
descending from gsi_trans_pool_init_dma(). The cause of this was
that a 16KB total size was going to be allocated, and with 16KB
pages the order of that allocation is 0. The total_size calculation
yielded 0, which eventually led to the crash.
Correcting the total_size calculation fixes the problem.
Reported-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Tested-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Fixes: 9dd441e4ed57 ("soc: qcom: ipa: GSI transactions")
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230328162751.2861791-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ModemManger/Apps probing the wwan0xmmrpc0 port for 7560 Modem results in
modem crash.
7560 Modem FW uses the MBIM interface for control command communication
whereas 7360 uses Intel RPC interface so disable wwan0xmmrpc0 port for
7560.
Fixes: d08b0f8f46e4 ("net: wwan: iosm: add rpc interface for xmm modems")
Reported-and-tested-by: Martin <mwolf@adiumentum.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217200
Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Signed-off-by: Shane Parslow <shaneparslow808@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using the QDMA tx scheduler to throttle tx to line speed works fine for
switch ports, but apparently caused a regression on non-switch ports.
Based on a number of tests, it seems that this throttling can be safely
dropped without re-introducing the issues on switch ports that the
tx scheduling changes resolved.
Link: https://lore.kernel.org/netdev/trinity-92c3826f-c2c8-40af-8339-bc6d0d3ffea4-1678213958520@3c-app-gmx-bs16/
Fixes: f63959c7eec3 ("net: ethernet: mtk_eth_soc: implement multi-queue support for per-port queues")
Reported-by: Frank Wunderlich <frank-w@public-files.de>
Reported-by: Daniel Golle <daniel@makrotopia.org>
Tested-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20230324140404.95745-1-nbd@nbd.name
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The code implicitly assumes that the list iterator finds a correct
handle. If 'vsi_handle' is not found the 'old_agg_vsi_info' was
pointing to an bogus memory location. For safety a separate list
iterator variable should be used to make the != NULL check on
'old_agg_vsi_info' correct under any circumstances.
Additionally Linus proposed to avoid any use of the list iterator
variable after the loop, in the attempt to move the list iterator
variable declaration into the macro to avoid any potential misuse after
the loop. Using it in a pointer comparison after the loop is undefined
behavior and should be omitted if possible [1].
Fixes: 37c592062b16 ("ice: remove the VSI info from previous agg")
Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1]
Signed-off-by: Jakob Koschel <jkl820.git@gmail.com>
Tested-by: Arpana Arland <arpanax.arland@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add profile conflict check while adding some FDIR rules to avoid
unexpected flow behavior, rules may have conflict including:
IPv4 <---> {IPv4_UDP, IPv4_TCP, IPv4_SCTP}
IPv6 <---> {IPv6_UDP, IPv6_TCP, IPv6_SCTP}
For example, when we create an FDIR rule for IPv4, this rule will work
on packets including IPv4, IPv4_UDP, IPv4_TCP and IPv4_SCTP. But if we
then create an FDIR rule for IPv4_UDP and then destroy it, the first
FDIR rule for IPv4 cannot work on pkt IPv4_UDP then.
To prevent this unexpected behavior, we add restriction in software
when creating FDIR rules by adding necessary profile conflict check.
Fixes: 1f7ea1cd6a37 ("ice: Enable FDIR Configure for AVF")
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The current implementation causes ice_vsi_update() to update all VSI
fields based on the cached VSI context. This also assumes that the
ICE_AQ_VSI_PROP_Q_OPT_VALID bit is set. This can cause problems if the
VSI context is not correctly synced by the driver. Fix this by only
updating the fields that correspond to ICE_AQ_VSI_PROP_Q_OPT_VALID.
Also, make sure to save the updated result in the cached VSI context
on success.
Fixes: 348048e724a0 ("ice: Implement iidc operations")
Co-developed-by: Robert Malz <robertx.malz@intel.com>
Signed-off-by: Robert Malz <robertx.malz@intel.com>
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Piotr Raczynski <piotr.raczynski@intel.com>
Tested-by: Jakub Andrysiak <jakub.andrysiak@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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make modules W=1 returns:
.../ice/ice_txrx_lib.c:448: warning: Function parameter or member 'first_idx' not described in 'ice_finalize_xdp_rx'
.../ice/ice_txrx.c:948: warning: Function parameter or member 'ntc' not described in 'ice_get_rx_buf'
.../ice/ice_txrx.c:1038: warning: Excess function parameter 'rx_buf' description in 'ice_construct_skb'
Fix these warnings by adding and deleting the deviant arguments.
Fixes: 2fba7dc5157b ("ice: Add support for XDP multi-buffer on Rx side")
Fixes: d7956d81f150 ("ice: Pull out next_to_clean bump out of ice_put_rx_buf()")
CC: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Piotr Raczynski <piotr.raczynski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Juergen Gross says:
====================
xen/netback: fix issue introduced recently
The fix for XSA-423 introduced a bug which resulted in loss of network
connection in some configurations.
The first patch is fixing the issue, while the second one is removing
a test which isn't needed.
====================
Link: https://lore.kernel.org/r/20230327083646.18690-1-jgross@suse.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The tests for the number of grant mapping or copy operations reaching
the array size of the operations buffer at the end of the main loop in
xenvif_tx_build_gops() isn't needed.
The loop can handle at maximum MAX_PENDING_REQS transfer requests, as
XEN_RING_NR_UNCONSUMED_REQUESTS() is taking unsent responses into
consideration, too.
Remove the tests.
Suggested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Fix xenvif_get_requests() not to do grant copy operations across local
page boundaries. This requires to double the maximum number of copy
operations per queue, as each copy could now be split into 2.
Make sure that struct xenvif_tx_cb doesn't grow too large.
Cc: stable@vger.kernel.org
Fixes: ad7f402ae4f4 ("xen/netback: Ensure protocol headers don't fall in the non-linear area")
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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SMSC911x doesn't need mdiobus suspend/resume, that's why it sets
'mac_managed_pm'. However, setting it needs to be moved from init to
probe, so mdiobus PM functions will really never be called (e.g. when
the interface is not up yet during suspend/resume).
Fixes: 3ce9f2bef755 ("net: smsc911x: Stop and start PHY during suspend and resume")
Suggested-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230327083138.6044-1-wsa+renesas@sang-engineering.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Sven Auhagen says:
====================
net: mvpp2: rss fixes
This patch series fixes up some rss problems
in the mvpp2 driver.
The classifier is missing some fragmentation flags,
the parser has the QinQ headers switched and
the PPPoE Layer 4 detecion is not working
correctly.
This is leading to no or bad rss for the default
settings.
====================
Link: https://lore.kernel.org/r/20230325163903.ofefgus43x66as7i@Svens-MacBookPro.local
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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In PPPoE add all IPv4 header option length to the parser
and adjust the L3 and L4 offset accordingly.
Currently the L4 match does not work with PPPoE and
all packets are matched as L3 IP4 OPT.
Fixes: 3f518509dedc ("ethernet: Add new driver for Marvell Armada 375 network unit")
Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The mvpp2 parser entry for QinQ has the inner and outer VLAN
in the wrong order.
Fix the problem by swapping them.
Fixes: 3f518509dedc ("ethernet: Add new driver for Marvell Armada 375 network unit")
Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de>
Reviewed-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add missing IP Fragmentation Flag.
Fixes: f9358e12a0af ("net: mvpp2: split ingress traffic into multiple flows")
Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de>
Reviewed-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2023-03-27
Oleksij Rempel and Hillf Danton contribute a patch for the CAN J1939
protocol that prevents a potential deadlock in j1939_sk_errqueue().
Ivan Orlov fixes an uninit-value in the CAN BCM protocol in the
bcm_tx_setup() function.
* tag 'linux-can-fixes-for-6.3-20230327' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: bcm: bcm_tx_setup(): fix KMSAN uninit-value in vfs_write
can: j1939: prevent deadlock by moving j1939_sk_errqueue()
====================
Link: https://lore.kernel.org/r/20230327124807.1157134-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Some MAINTAINERS sections mention to mail patches to the list
linux-nfc@lists.01.org. Probably due to changes on Intel's 01.org website
and servers, the list server lists.01.org/ml01.01.org is simply gone.
Considering emails recorded on lore.kernel.org, only a handful of emails
where sent to the linux-nfc@lists.01.org list, and they are usually also
sent to the netdev mailing list as well, where they are then picked up.
So, there is no big benefit in restoring the linux-nfc elsewhere.
Remove all occurrences of the linux-nfc@lists.01.org list in MAINTAINERS.
Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/all/CAKXUXMzggxQ43DUZZRkPMGdo5WkzgA=i14ySJUFw4kZfE5ZaZA@mail.gmail.com/
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230324081613.32000-1-lukas.bulwahn@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I've read through or reworked a good portion of this driver. Add myself
as a reviewer.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Acked-by: Madalin Bucur <madalin.bucur@oss.nxp.com>
Link: https://lore.kernel.org/r/20230323145957.2999211-1-sean.anderson@seco.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Syzkaller reported the following issue:
=====================================================
BUG: KMSAN: uninit-value in aio_rw_done fs/aio.c:1520 [inline]
BUG: KMSAN: uninit-value in aio_write+0x899/0x950 fs/aio.c:1600
aio_rw_done fs/aio.c:1520 [inline]
aio_write+0x899/0x950 fs/aio.c:1600
io_submit_one+0x1d1c/0x3bf0 fs/aio.c:2019
__do_sys_io_submit fs/aio.c:2078 [inline]
__se_sys_io_submit+0x293/0x770 fs/aio.c:2048
__x64_sys_io_submit+0x92/0xd0 fs/aio.c:2048
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Uninit was created at:
slab_post_alloc_hook mm/slab.h:766 [inline]
slab_alloc_node mm/slub.c:3452 [inline]
__kmem_cache_alloc_node+0x71f/0xce0 mm/slub.c:3491
__do_kmalloc_node mm/slab_common.c:967 [inline]
__kmalloc+0x11d/0x3b0 mm/slab_common.c:981
kmalloc_array include/linux/slab.h:636 [inline]
bcm_tx_setup+0x80e/0x29d0 net/can/bcm.c:930
bcm_sendmsg+0x3a2/0xce0 net/can/bcm.c:1351
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg net/socket.c:734 [inline]
sock_write_iter+0x495/0x5e0 net/socket.c:1108
call_write_iter include/linux/fs.h:2189 [inline]
aio_write+0x63a/0x950 fs/aio.c:1600
io_submit_one+0x1d1c/0x3bf0 fs/aio.c:2019
__do_sys_io_submit fs/aio.c:2078 [inline]
__se_sys_io_submit+0x293/0x770 fs/aio.c:2048
__x64_sys_io_submit+0x92/0xd0 fs/aio.c:2048
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
CPU: 1 PID: 5034 Comm: syz-executor350 Not tainted 6.2.0-rc6-syzkaller-80422-geda666ff2276 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
=====================================================
We can follow the call chain and find that 'bcm_tx_setup' function
calls 'memcpy_from_msg' to copy some content to the newly allocated
frame of 'op->frames'. After that the 'len' field of copied structure
being compared with some constant value (64 or 8). However, if
'memcpy_from_msg' returns an error, we will compare some uninitialized
memory. This triggers 'uninit-value' issue.
This patch will add 'memcpy_from_msg' possible errors processing to
avoid uninit-value issue.
Tested via syzkaller
Reported-by: syzbot+c9bfd85eca611ebf5db1@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?id=47f897f8ad958bbde5790ebf389b5e7e0a345089
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Fixes: 6f3b911d5f29b ("can: bcm: add support for CAN FD frames")
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Link: https://lore.kernel.org/all/20230314120445.12407-1-ivan.orlov0322@gmail.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The blamed commit has introduced the following tests to
dwmac4_add_hw_vlan_rx_fltr(), called from stmmac_vlan_rx_add_vid():
if (hw->promisc) {
netdev_err(dev,
"Adding VLAN in promisc mode not supported\n");
return -EPERM;
}
"VLAN promiscuous" mode is keyed in this driver to IFF_PROMISC, and so,
vlan_vid_add() and vlan_vid_del() calls cannot take place in IFF_PROMISC
mode. I have the following 2 arguments that this restriction is.... hm,
how shall I put it nicely... unproductive :)
First, take the case of a Linux bridge. If the kernel is compiled with
CONFIG_BRIDGE_VLAN_FILTERING=y, then this bridge shall have a VLAN
database. The bridge shall try to call vlan_add_vid() on its bridge
ports for each VLAN in the VLAN table. It will do this irrespectively of
whether that port is *currently* VLAN-aware or not. So it will do this
even when the bridge was created with vlan_filtering 0.
But the Linux bridge, in VLAN-unaware mode, configures its ports in
promiscuous (IFF_PROMISC) mode, so that they accept packets with any
MAC DA (a switch must do this in order to forward those packets which
are not directly targeted to its MAC address).
As a result, the stmmac driver does not work as a bridge port, when the
kernel is compiled with CONFIG_BRIDGE_VLAN_FILTERING=y.
$ ip link add br0 type bridge && ip link set br0 up
$ ip link set eth0 master br0 && ip link set eth0 up
[ 2333.943296] br0: port 1(eth0) entered blocking state
[ 2333.943381] br0: port 1(eth0) entered disabled state
[ 2333.943782] device eth0 entered promiscuous mode
[ 2333.944080] 4033c000.ethernet eth0: Adding VLAN in promisc mode not supported
[ 2333.976509] 4033c000.ethernet eth0: failed to initialize vlan filtering on this port
RTNETLINK answers: Operation not permitted
Secondly, take the case of stmmac as DSA master. Some switch tagging
protocols are based on 802.1Q VLANs (tag_sja1105.c), and as such,
tag_8021q.c uses vlan_vid_add() to work with VLAN-filtering DSA masters.
But also, when a DSA port becomes promiscuous (for example when it joins
a bridge), the DSA framework also makes the DSA master promiscuous.
Moreover, for every VLAN that a DSA switch sends to the CPU, DSA also
programs a VLAN filter on the DSA master, because if the the DSA switch
uses a tail tag, then the hardware frame parser of the DSA master will
see VLAN as VLAN, and might filter them out, for being unknown.
Due to the above 2 reasons, my belief is that the stmmac driver does not
get to choose to not accept vlan_vid_add() calls while IFF_PROMISC is
enabled, because the 2 are completely independent and there are code
paths in the network stack which directly lead to this situation
occurring, without the user's direct input.
In fact, my belief is that "VLAN promiscuous" mode should have never
been keyed on IFF_PROMISC in the first place, but rather, on the
NETIF_F_HW_VLAN_CTAG_FILTER feature flag which can be toggled by the
user through ethtool -k, when present in netdev->hw_features.
In the stmmac driver, NETIF_F_HW_VLAN_CTAG_FILTER is only present in
"features", making this feature "on [fixed]".
I have this belief because I am unaware of any definition of promiscuity
which implies having an effect on anything other than MAC DA (therefore
not VLAN). However, I seem to be rather alone in having this opinion,
looking back at the disagreements from this discussion:
https://lore.kernel.org/netdev/20201110153958.ci5ekor3o2ekg3ky@ipetronik.com/
In any case, to remove the vlan_vid_add() dependency on !IFF_PROMISC,
one would need to remove the check and see what fails. I guess the test
was there because of the way in which dwmac4_vlan_promisc_enable() is
implemented.
For context, the dwmac4 supports Perfect Filtering for a limited number
of VLANs - dwmac4_get_num_vlan(), priv->hw->num_vlan, with a fallback on
Hash Filtering - priv->dma_cap.vlhash - see stmmac_vlan_update(), also
visible in cat /sys/kernel/debug/stmmaceth/eth0/dma_cap | grep 'VLAN
Hash Filtering'.
The perfect filtering is based on MAC_VLAN_Tag_Filter/MAC_VLAN_Tag_Data
registers, accessed in the driver through dwmac4_write_vlan_filter().
The hash filtering is based on the MAC_VLAN_Hash_Table register, named
GMAC_VLAN_HASH_TABLE in the driver and accessed by dwmac4_update_vlan_hash().
The control bit for enabling hash filtering is GMAC_VLAN_VTHM
(MAC_VLAN_Tag_Ctrl bit VTHM: VLAN Tag Hash Table Match Enable).
Now, the description of dwmac4_vlan_promisc_enable() is that it iterates
through the driver's cache of perfect filter entries (hw->vlan_filter[i],
added by dwmac4_add_hw_vlan_rx_fltr()), and evicts them from hardware by
unsetting their GMAC_VLAN_TAG_DATA_VEN (MAC_VLAN_Tag_Data bit VEN - VLAN
Tag Enable) bit. Then it unsets the GMAC_VLAN_VTHM bit, which disables
hash matching.
This leaves the MAC, according to table "VLAN Match Status" from the
documentation, to always enter these data paths:
VID |VLAN Perfect Filter |VTHM Bit |VLAN Hash Filter |Final VLAN Match
|Match Result | |Match Result |Status
-------|--------------------|---------|-----------------|----------------
VID!=0 |Fail |0 |don't care |Pass
So, dwmac4_vlan_promisc_enable() does its job, but by unsetting
GMAC_VLAN_VTHM, it conflicts with the other code path which controls
this bit: dwmac4_update_vlan_hash(), called through stmmac_update_vlan_hash()
from stmmac_vlan_rx_add_vid() and from stmmac_vlan_rx_kill_vid().
This is, I guess, why dwmac4_add_hw_vlan_rx_fltr() is not allowed to run
after dwmac4_vlan_promisc_enable() has unset GMAC_VLAN_VTHM: because if
it did, then dwmac4_update_vlan_hash() would set GMAC_VLAN_VTHM again,
breaking the "VLAN promiscuity".
It turns out that dwmac4_vlan_promisc_enable() is way too complicated
for what needs to be done. The MAC_Packet_Filter register also has the
VTFE bit (VLAN Tag Filter Enable), which simply controls whether VLAN
tagged packets which don't match the filtering tables (either perfect or
hash) are dropped or not. At the moment, this driver unconditionally
sets GMAC_PACKET_FILTER_VTFE if NETIF_F_HW_VLAN_CTAG_FILTER was detected
through the priv->dma_cap.vlhash capability bits of the device, in
stmmac_dvr_probe().
I would suggest deleting the unnecessarily complex logic from
dwmac4_vlan_promisc_enable(), and simply unsetting GMAC_PACKET_FILTER_VTFE
when becoming IFF_PROMISC, which has the same effect of allowing packets
with any VLAN tags, but has the additional benefit of being able to run
concurrently with stmmac_vlan_rx_add_vid() and stmmac_vlan_rx_kill_vid().
As much as I believe that the VTFE bit should have been exclusively
controlled by NETIF_F_HW_VLAN_CTAG_FILTER through ethtool, and not by
IFF_PROMISC, changing that is not a punctual fix to the problem, and it
would probably break the VFFQ feature added by the later commit
e0f9956a3862 ("net: stmmac: Add option for VLAN filter fail queue
enable"). From the commit description, VFFQ needs IFF_PROMISC=on and
VTFE=off in order to work (and this change respects that). But if VTFE
was changed to be controlled through ethtool -k, then a user-visible
change would have been introduced in Intel's scripts (a need to run
"ethtool -k eth0 rx-vlan-filter off" which did not exist before).
The patch was tested with this set of commands:
ip link set eth0 up
ip link add link eth0 name eth0.100 type vlan id 100
ip addr add 192.168.100.2/24 dev eth0.100 && ip link set eth0.100 up
ip link set eth0 promisc on
ip link add link eth0 name eth0.101 type vlan id 101
ip addr add 192.168.101.2/24 dev eth0.101 && ip link set eth0.101 up
ip link set eth0 promisc off
ping -c 5 192.168.100.1
ping -c 5 192.168.101.1
ip link set eth0 promisc on
ping -c 5 192.168.100.1
ping -c 5 192.168.101.1
ip link del eth0.100
ip link del eth0.101
# Wait for VLAN-tagged pings from the other end...
# Check with "tcpdump -i eth0 -e -n -p" and we should see them
ip link set eth0 promisc off
# Wait for VLAN-tagged pings from the other end...
# Check with "tcpdump -i eth0 -e -n -p" and we shouldn't see them
# anymore, but remove the "-p" argument from tcpdump and they're there.
Fixes: c89f44ff10fd ("net: stmmac: Add support for VLAN promiscuous mode")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit addresses a deadlock situation that can occur in certain
scenarios, such as when running data TP/ETP transfer and subscribing to
the error queue while receiving a net down event. The deadlock involves
locks in the following order:
3
j1939_session_list_lock -> active_session_list_lock
j1939_session_activate
...
j1939_sk_queue_activate_next -> sk_session_queue_lock
...
j1939_xtp_rx_eoma_one
2
j1939_sk_queue_drop_all -> sk_session_queue_lock
...
j1939_sk_netdev_event_netdown -> j1939_socks_lock
j1939_netdev_notify
1
j1939_sk_errqueue -> j1939_socks_lock
__j1939_session_cancel -> active_session_list_lock
j1939_tp_rxtimer
CPU0 CPU1
---- ----
lock(&priv->active_session_list_lock);
lock(&jsk->sk_session_queue_lock);
lock(&priv->active_session_list_lock);
lock(&priv->j1939_socks_lock);
The solution implemented in this commit is to move the
j1939_sk_errqueue() call out of the active_session_list_lock context,
thus preventing the deadlock situation.
Reported-by: syzbot+ee1cd780f69483a8616b@syzkaller.appspotmail.com
Fixes: 5b9272e93f2e ("can: j1939: extend UAPI to notify about RX status")
Co-developed-by: Hillf Danton <hdanton@sina.com>
Signed-off-by: Hillf Danton <hdanton@sina.com>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/all/20230324130141.2132787-1-o.rempel@pengutronix.de
Cc: stable@vger.kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Implement phy_read16() and phy_write16() ops for B53 MMAP to avoid accessing
B53_PORT_MII_PAGE registers which hangs the device.
This access should be done through the MDIO Mux bus controller.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The KSZ9131RNX incorrectly shows EEE capabilities in its registers.
Although the "EEE control and capability 1" (Register 3.20) is set to 0,
indicating no EEE support, the "EEE advertisement 1" (Register 7.60) is
set to 0x6, advertising EEE support for 1000BaseT/Full and
100BaseT/Full.
This inconsistency causes PHYlib to assume there is no EEE support,
preventing control over EEE advertisement, which is enabled by default.
This patch resolves the issue by utilizing the ksz9477_get_features()
function to correctly set the EEE capabilities for the KSZ9131RNX. This
adjustment allows proper control over EEE advertisement and ensures
accurate representation of the device's capabilities.
Fixes: 8b68710a3121 ("net: phy: start using genphy_c45_ethtool_get/set_eee()")
Reported-by: Marek Vasut <marex@denx.de>
Tested-by: Marek Vasut <marex@denx.de>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pkt_list_lock was used before commit 71dc9ec9ac7d ("virtio/vsock:
replace virtio_vsock_pkt with sk_buff") to protect the packet queue.
After that commit we switched to sk_buff and we are using
sk_buff_head.lock in almost every place to protect the packet queue
except in vsock_loopback_work() when we call skb_queue_splice_init().
As reported by syzbot, this caused unlocked concurrent access to the
packet queue between vsock_loopback_work() and
vsock_loopback_cancel_pkt() since it is not holding pkt_list_lock.
With the introduction of sk_buff_head, pkt_list_lock is redundant and
can cause confusion, so let's remove it and use sk_buff_head.lock
everywhere to protect the packet queue access.
Fixes: 71dc9ec9ac7d ("virtio/vsock: replace virtio_vsock_pkt with sk_buff")
Cc: bobby.eshleman@bytedance.com
Reported-and-tested-by: syzbot+befff0a9536049e7902e@syzkaller.appspotmail.com
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Bobby Eshleman <bobby.eshleman@bytedance.com>
Reviewed-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Russell King says:
====================
Constify a few sfp/phy fwnodes
This series constifies a bunch of fwnode_handle pointers that are only
used to refer to but not modify the contents of the fwnode structures.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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fwnode_get_phy_node() does not motify the fwnode structure, so make
the argument const,
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Constify sfp-bus internal fwnode uses, since we do not modify the
fwnode structures.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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sfp_bus_find_fwnode() does not write to the fwnode, so let's make it
const.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The failover txq is inited as 16 queues.
when a packet is transmitted from the failover device firstly,
the failover device will select the queue which is returned from
the primary device if the primary device is UP and running.
If the primary device txq is bigger than the default 16,
it can lead to the following warning:
eth0 selects TX queue 18, but real number of TX queues is 16
The warning backtrace is:
[ 32.146376] CPU: 18 PID: 9134 Comm: chronyd Tainted: G E 6.2.8-1.el7.centos.x86_64 #1
[ 32.147175] Hardware name: Red Hat KVM, BIOS 1.10.2-3.el7_4.1 04/01/2014
[ 32.147730] Call Trace:
[ 32.147971] <TASK>
[ 32.148183] dump_stack_lvl+0x48/0x70
[ 32.148514] dump_stack+0x10/0x20
[ 32.148820] netdev_core_pick_tx+0xb1/0xe0
[ 32.149180] __dev_queue_xmit+0x529/0xcf0
[ 32.149533] ? __check_object_size.part.0+0x21c/0x2c0
[ 32.149967] ip_finish_output2+0x278/0x560
[ 32.150327] __ip_finish_output+0x1fe/0x2f0
[ 32.150690] ip_finish_output+0x2a/0xd0
[ 32.151032] ip_output+0x7a/0x110
[ 32.151337] ? __pfx_ip_finish_output+0x10/0x10
[ 32.151733] ip_local_out+0x5e/0x70
[ 32.152054] ip_send_skb+0x19/0x50
[ 32.152366] udp_send_skb.isra.0+0x163/0x3a0
[ 32.152736] udp_sendmsg+0xba8/0xec0
[ 32.153060] ? __folio_memcg_unlock+0x25/0x60
[ 32.153445] ? __pfx_ip_generic_getfrag+0x10/0x10
[ 32.153854] ? sock_has_perm+0x85/0xa0
[ 32.154190] inet_sendmsg+0x6d/0x80
[ 32.154508] ? inet_sendmsg+0x6d/0x80
[ 32.154838] sock_sendmsg+0x62/0x70
[ 32.155152] ____sys_sendmsg+0x134/0x290
[ 32.155499] ___sys_sendmsg+0x81/0xc0
[ 32.155828] ? _get_random_bytes.part.0+0x79/0x1a0
[ 32.156240] ? ip4_datagram_release_cb+0x5f/0x1e0
[ 32.156649] ? get_random_u16+0x69/0xf0
[ 32.156989] ? __fget_light+0xcf/0x110
[ 32.157326] __sys_sendmmsg+0xc4/0x210
[ 32.157657] ? __sys_connect+0xb7/0xe0
[ 32.157995] ? __audit_syscall_entry+0xce/0x140
[ 32.158388] ? syscall_trace_enter.isra.0+0x12c/0x1a0
[ 32.158820] __x64_sys_sendmmsg+0x24/0x30
[ 32.159171] do_syscall_64+0x38/0x90
[ 32.159493] entry_SYSCALL_64_after_hwframe+0x72/0xdc
Fix that by reducing txq number as the non-existent primary-dev does.
Fixes: cfc80d9a1163 ("net: Introduce net_failover driver")
Signed-off-by: Faicker Mo <faicker.mo@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When link speed is 10 Mbps and temperature is under -20°C, RTL8168H and
RTL8107E may have rx crc error. Disable phy 10 Mbps pll off to fix this
issue.
Fixes: 6e1d0b898818 ("r8169:add support for RTL8168H and RTL8107E")
Signed-off-by: ChunHao Lin <hau@realtek.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Oleksij Rempel says:
====================
net: dsa: microchip: ksz8: fixes for stable
changes v2:
- use proper Fixes tag
- add Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com> on all
reviewed patches except the ksz8863_smi patch.
These fixes address issues such as incomplete FDB extraction, incorrect
FID extraction and configuration, incorrect timestamp extraction, and
ghost entry extraction from an empty dynamic MAC table. These updates
ensure proper functioning of the FDB/MDB functionality for the
ksz8863/ksz8873 series of chips.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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FID is directly mapped to VID. However, configuring a MAC address with a
VID != 0 resulted in incorrect configuration due to an incorrect bit
mask. This kernel commit fixed the issue by correcting the bit mask and
ensuring proper configuration of MAC addresses with non-zero VID.
Fixes: 4b20a07e103f ("net: dsa: microchip: ksz8795: add support for ksz88xx chips")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current regmap bulk access is broken, resulting to wrong reads/writes
if ksz_read64/ksz_write64 functions are used.
Mostly this issue was visible by using ksz8_fdb_dump(), which returned
corrupt MAC address.
The reason is that regmap was configured to have max_raw_read/write,
even if ksz8863_mdio_read/write functions are able to handle unlimited
read/write accesses. On ksz_read64 function we are using multiple 32bit
accesses by incrementing each access by 1 instead of 4. Resulting buffer
had 01234567.12345678 instead of 01234567.89abcdef.
We have multiple ways to fix it:
- enable 4 byte alignment for 32bit accesses. Since the HW do not have
this requirement. It will break driver.
- disable max_raw_* limit.
This patch is removing max_raw_* limit for regmap accesses in ksz8863_smi.
Fixes: 60a364760002 ("net: dsa: microchip: Add Microchip KSZ8863 SMI based driver support")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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empty dynamic MAC table.
If the dynamic MAC table is empty, we will still extract one outdated
entry. Fix it by using correct bit offset.
Fixes: 4b20a07e103f ("net: dsa: microchip: ksz8795: add support for ksz88xx chips")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are using wrong offset, so we will get not a timestamp.
Fixes: 4b20a07e103f ("net: dsa: microchip: ksz8795: add support for ksz88xx chips")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current ksz8_fdb_dump() is able to extract only max 249 entries on
the ksz8863/ksz8873 series of switches. This happened due to wrong
bit mask and offset calculation.
This commit corrects the issue and allows for the complete extraction of
all 1024 entries.
Fixes: 4b20a07e103f ("net: dsa: microchip: ksz8795: add support for ksz88xx chips")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before this patch, the ksz8_fdb_dump() function had several issues, such
as uninitialized variables and incorrect usage of source port as a bit
mask. These problems caused inaccurate reporting of vid information and
port assignment in the bridge fdb.
Fixes: e587be759e6e ("net: dsa: microchip: update fdb add/del/dump in ksz_common")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Smatch complains that:
drivers/ptp/ptp_qoriq.c ptp_qoriq_probe()
warn: 'base' from ioremap() not released.
Fix this by revising the parameter from 'ptp_qoriq->base' to 'base'.
This is only a bug if ptp_qoriq_init() returns on the
first -ENODEV error path.
For other error paths ptp_qoriq->base and base are the same.
And this change makes the code more readable.
Fixes: 7f4399ba405b ("ptp_qoriq: fix NULL access if ptp dt node missing")
Signed-off-by: SongJingyi <u201912584@hust.edu.cn>
Reviewed-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Link: https://lore.kernel.org/r/20230324031406.1895159-1-u201912584@hust.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, vmxnet3 uses GRO callback only if LRO is disabled. However,
on smartNic based setups where UPT is supported, LRO can be enabled
from guest VM but UPT devicve does not support LRO as of now. In such
cases, there can be performance degradation as GRO is not being done.
This patch fixes this issue by calling GRO API when UPT is enabled. We
use updateRxProd to determine if UPT mode is active or not.
To clarify few things discussed over the thread:
The patch is not neglecting any feature bits nor disabling GRO. It uses
GRO callback when UPT is active as LRO is not available in UPT.
GRO callback cannot be used as default for all cases as it degrades
performance for non-UPT cases or for cases when LRO is already done in
ESXi.
Cc: stable@vger.kernel.org
Fixes: 6f91f4ba046e ("vmxnet3: add support for capability registers")
Signed-off-by: Ronak Doshi <doshir@vmware.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230323200721.27622-1-doshir@vmware.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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