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[ Upstream commit f2e664ad503d4e5ce7c42a0862ab164331a0ef37 ]
Most of the code in CGX/RPM driver assumes that max lmacs per
given MAC as always, 4 and the number of MAC blocks also as 4.
With this assumption, the max number of interfaces supported is
hardcoded to 16. This creates a problem as next gen CN10KB silicon
MAC supports 8 lmacs per MAC block.
This patch solves the problem by using "max lmac per MAC block"
value from constant csrs and uses cgx_cnt_max value which is
populated based number of MAC blocks supported by silicon.
Signed-off-by: Rakesh Babu Saladi <rsaladi2@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Stable-dep-of: e307b5a845c5 ("octeontx2-af: Fix pause frame configuration")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit beb1930f966d1517921488bd5d64147f58f79abf ]
The blamed commit added support for Rx copybreak. This meant that for
certain frame sizes, a new skb was allocated and the initial data buffer
was recycled. Instead of waiting to recycle the Rx buffer only after all
processing was done on it (like accessing the parse results or timestamp
information), the code path just went ahead and re-used the buffer right
away.
This sometimes lead to corrupted HW and SW annotation areas.
Fix this by delaying the moment when the buffer is recycled.
Fixes: 50f826999a80 ("dpaa2-eth: add rx copybreak support")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3313206827678f6f036eca601a51f6c4524b559a ]
Rearrange the variables in the dpaa2_eth_get_ethtool_stats() function so
that we adhere to the reverse Christmas tree rule.
Also, in the next patch we are adding more variables and I didn't know
where to place them with the current ordering.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: beb1930f966d ("dpaa2-eth: recycle the RX buffer only after all processing done")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3338bebfc26a1e2cebbba82a1cf12c0159608e73 ]
Without increased buffer size, will trigger -Wformat-truncation with W=1
for the snprintf operation writing to the buffer.
drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c: In function 'mlx5_irq_alloc':
drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c:296:7: error: '@pci:' directive output may be truncated writing 5 bytes into a region of size between 1 and 32 [-Werror=format-truncation=]
296 | "%s@pci:%s", name, pci_name(dev->pdev));
| ^~~~~
drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c:295:2: note: 'snprintf' output 6 or more bytes (assuming 37) into a destination of size 32
295 | snprintf(irq->name, MLX5_MAX_IRQ_NAME,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
296 | "%s@pci:%s", name, pci_name(dev->pdev));
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Fixes: ada9f5d00797 ("IB/mlx5: Fix eq names to display nicely in /proc/interrupts")
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d4ab2e97dcfbcd748ae71761a9d8e5e41cc732c
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20231114215846.5902-13-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 65008777b9dcd2002414ddb2c2158293a6e2fd6f ]
The bits are wrong, the jacket bit should be 5 and cdb bit 4.
Fix it.
Fixes: 1f171f4f1437 ("iwlwifi: Add support for getting rf id with blank otp")
Signed-off-by: Rotem Saado <rotem.saado@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231004123422.356d8dacda2f.I349ab888b43a11baa2453a1d6978a6a703e422f0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit e009b2efb7a8850498796b360043ac25c8d3d28f ]
The 2 lines to check for the BNXT_HWRM_PF_UNLOAD_SP_EVENT bit was
mis-applied to bnxt_cfg_ntp_filters() and should have been applied to
bnxt_sp_task().
Fixes: 19241368443f ("bnxt_en: Send PF driver unload notification to all VFs.")
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9039cd4c61635b2d541009a7cd5e2cc052402f28 ]
CSR.OPS bits specify the current operating mode and (according to
documentation) they are updated by HW when the operating mode change
request is processed. To comply with this check CSR.OPS before proceeding.
Commit introduces ravb_set_opmode() that does all the necessities for
setting the operating mode (set CCC.OPC (and CCC.GAC, CCC.CSEL, if any) and
wait for CSR.OPS) and call it where needed. This should comply with all the
HW manuals requirements as different manual variants specify that different
modes need to be checked in CSR.OPS when setting CCC.OPC.
If gPTP active in config mode is supported and it needs to be enabled, the
CCC.GAC and CCC.CSEL needs to be configured along with CCC.OPC in the same
write access. For this, ravb_set_opmode() allows passing GAC and CSEL as
part of opmode and the function updates accordingly CCC register.
Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit eaac6a2d26b65511e164772bec6918fcbc61938e ]
Add check for usbnet_get_endpoints() and return the error if it fails
in order to transfer the error.
Fixes: 16626b0cc3d5 ("asix: Add a new driver for the AX88172A")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 818ed8933bd17bc91a9fa8b94a898189c546fc1a ]
During QoS scheduling testing with multiple strict priority flows, the
netdev tx watchdog timeout routine is invoked when a low priority QoS
queue doesn't get a chance to transmit the packets because other high
priority flows are completely subscribing the transmit link. The netdev
tx watchdog timeout routine will stop MAC RX and TX functionality in
otx2_stop() routine before cleanup of HW TX queues which results in SMQ
flush errors because the packets belonging to low priority queues will
never gets flushed since MAC TX is disabled. This patch fixes the issue
by re-enabling MAC TX to ensure the packets in HW pipeline gets flushed
properly.
Fixes: a7faa68b4e7f ("octeontx2-af: Start/Stop traffic in CGX along with NPC")
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a0d9528f6daf7fe8de217fa80a94d2989d2a57a7 ]
Currently the NIX TX link credits are initialized based on the max frame
size that can be transmitted on a link but when the MTU is changed, the
NIX TX link credits are reprogrammed by the SW based on the new MTU value.
Since SMQ max packet length is programmed to max frame size by default,
there is a chance that NIX TX may stall while sending a max frame sized
packet on the link with insufficient credits to send the packet all at
once. This patch avoids stall issue by not changing the link credits
dynamically when the MTU is changed.
Fixes: 1c74b89171c3 ("octeontx2-af: Wait for TX link idle for credits change")
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 89f45c30172c80e55c887f32f1af8e184124577b ]
When dma_alloc_coherent() fails, we should free qdev->lrg_buf
to prevent potential memleak.
Fixes: 1357bfcf7106 ("qla3xxx: Dynamically size the rx buffer queue based on the MTU.")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20231227070227.10527-1-dinghao.liu@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 947dfc8138dfaeb6e966e2d661de89eb203e3064 ]
According to the Intel Software Manual for I225, Section 7.5.2.7,
hicredit should be multiplied by the constant link-rate value, 0x7736.
Currently, the old constant link-rate value, 0x7735, from the boards
supported on igb are being used, most likely due to a copy'n'paste, as
the rest of the logic is the same for both drivers.
Update hicredit accordingly.
Fixes: 1ab011b0bf07 ("igc: Add support for CBS offloading")
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Rodrigo Cataldo <rodrigo.cadore@l-acoustics.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 371e576ff3e8580d91d49026e5d5faebf5565558 ]
During a PCI FLR the MSI-X Enable flag in the VF PCI MSI-X capability
register will be cleared. This can lead to issues when a VF is
assigned to a VM because in these cases the VF driver receives no
indication of the PF PCI error/reset and additionally it is incapable
of restoring the cleared flag in the hypervisor configuration space
without fully reinitializing the driver interrupt functionality.
Since the VF driver is unable to easily resolve this condition on its own,
restore the VF MSI-X flag during the PF PCI reset handling.
Fixes: 19b7960b2da1 ("i40e: implement split PCI error reset handler")
Co-developed-by: Karen Ostrowska <karen.ostrowska@intel.com>
Signed-off-by: Karen Ostrowska <karen.ostrowska@intel.com>
Co-developed-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Andrii Staikov <andrii.staikov@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6a15584e99db8918b60e507539c7446375dcf366 ]
Commit 3116f59c12bd ("i40e: fix use-after-free in
i40e_sync_filters_subtask()") avoided use-after-free issues,
by increasing refcount during update the VSI filter list to
the HW. However, it missed the unicast situation.
When deleting an unicast FDB entry, the i40e driver will release
the mac_filter, and i40e_service_task will concurrently request
firmware to add the mac_filter, which will lead to the following
use-after-free issue.
Fix again for both netdev->uc and netdev->mc.
BUG: KASAN: use-after-free in i40e_aqc_add_filters+0x55c/0x5b0 [i40e]
Read of size 2 at addr ffff888eb3452d60 by task kworker/8:7/6379
CPU: 8 PID: 6379 Comm: kworker/8:7 Kdump: loaded Tainted: G
Workqueue: i40e i40e_service_task [i40e]
Call Trace:
dump_stack+0x71/0xab
print_address_description+0x6b/0x290
kasan_report+0x14a/0x2b0
i40e_aqc_add_filters+0x55c/0x5b0 [i40e]
i40e_sync_vsi_filters+0x1676/0x39c0 [i40e]
i40e_service_task+0x1397/0x2bb0 [i40e]
process_one_work+0x56a/0x11f0
worker_thread+0x8f/0xf40
kthread+0x2a0/0x390
ret_from_fork+0x1f/0x40
Allocated by task 21948:
kasan_kmalloc+0xa6/0xd0
kmem_cache_alloc_trace+0xdb/0x1c0
i40e_add_filter+0x11e/0x520 [i40e]
i40e_addr_sync+0x37/0x60 [i40e]
__hw_addr_sync_dev+0x1f5/0x2f0
i40e_set_rx_mode+0x61/0x1e0 [i40e]
dev_uc_add_excl+0x137/0x190
i40e_ndo_fdb_add+0x161/0x260 [i40e]
rtnl_fdb_add+0x567/0x950
rtnetlink_rcv_msg+0x5db/0x880
netlink_rcv_skb+0x254/0x380
netlink_unicast+0x454/0x610
netlink_sendmsg+0x747/0xb00
sock_sendmsg+0xe2/0x120
__sys_sendto+0x1ae/0x290
__x64_sys_sendto+0xdd/0x1b0
do_syscall_64+0xa0/0x370
entry_SYSCALL_64_after_hwframe+0x65/0xca
Freed by task 21948:
__kasan_slab_free+0x137/0x190
kfree+0x8b/0x1b0
__i40e_del_filter+0x116/0x1e0 [i40e]
i40e_del_mac_filter+0x16c/0x300 [i40e]
i40e_addr_unsync+0x134/0x1b0 [i40e]
__hw_addr_sync_dev+0xff/0x2f0
i40e_set_rx_mode+0x61/0x1e0 [i40e]
dev_uc_del+0x77/0x90
rtnl_fdb_del+0x6a5/0x860
rtnetlink_rcv_msg+0x5db/0x880
netlink_rcv_skb+0x254/0x380
netlink_unicast+0x454/0x610
netlink_sendmsg+0x747/0xb00
sock_sendmsg+0xe2/0x120
__sys_sendto+0x1ae/0x290
__x64_sys_sendto+0xdd/0x1b0
do_syscall_64+0xa0/0x370
entry_SYSCALL_64_after_hwframe+0x65/0xca
Fixes: 3116f59c12bd ("i40e: fix use-after-free in i40e_sync_filters_subtask()")
Fixes: 41c445ff0f48 ("i40e: main driver core")
Signed-off-by: Ke Xiao <xiaoke@sangfor.com.cn>
Signed-off-by: Ding Hui <dinghui@sangfor.com.cn>
Cc: Di Zhu <zhudi2@huawei.com>
Reviewed-by: Jan Sokolowski <jan.sokolowski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit e584f2ff1e6cc9b1d99e8a6b0f3415940d1b3eb3 ]
The flag DMA_TX_APPEND_CRC was only written to the first DMA descriptor
in the TX path, where each descriptor corresponds to a single skbuff
fragment (or the skbuff head). This led to packets with no FCS appearing
on the wire if the kernel allocated the packet in fragments, which would
always happen when using PACKET_MMAP/TPACKET (cf. tpacket_fill_skb() in
net/af_packet.c).
Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
Signed-off-by: Adrian Cinal <adriancinal1@gmail.com>
Acked-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20231228135638.1339245-1-adriancinal1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d5a306aedba34e640b11d7026dbbafb78ee3a5f6 ]
In efx_probe_filters, the channel->rps_flow_id is freed in a
efx_for_each_channel marco when success equals to 0.
However, after the following call chain:
ef100_net_open
|-> efx_probe_filters
|-> ef100_net_stop
|-> efx_remove_filters
The channel->rps_flow_id is freed again in the efx_for_each_channel of
efx_remove_filters, triggering a double-free bug.
Fixes: a9dc3d5612ce ("sfc_ef100: RX filter table management and related gubbins")
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Link: https://lore.kernel.org/r/20231225112915.3544581-1-alexious@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9c476269bff2908a20930c58085bf0b05ebd569a ]
Some r8168 NICs stop working upon system resume:
[ 688.051096] r8169 0000:02:00.1 enp2s0f1: rtl_ep_ocp_read_cond == 0 (loop: 10, delay: 10000).
[ 688.175131] r8169 0000:02:00.1 enp2s0f1: Link is Down
...
[ 691.534611] r8169 0000:02:00.1 enp2s0f1: PCI error (cmd = 0x0407, status_errs = 0x0000)
Not sure if it's related, but those NICs have a BMC device at function
0:
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Realtek RealManage BMC [10ec:816e] (rev 1a)
Trial and error shows that increase the loop wait on
rtl_ep_ocp_read_cond to 30 can eliminate the issue, so let
rtl8168ep_driver_start() to wait a bit longer.
Fixes: e6d6ca6e1204 ("r8169: Add support for another RTL8168FP")
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit dcea1bd45e6d111cc8fc1aaefa7e31694089bda3 ]
Under heavy traffic, the BlueField Gigabit interface can
become unresponsive. This is due to a possible race condition
in the mlxbf_gige_rx_packet function, where the function exits
with producer and consumer indices equal but there are remaining
packet(s) to be processed. In order to prevent this situation,
read receive consumer index *before* the HW replenish so that
the mlxbf_gige_rx_packet function returns an accurate return
value even if a packet is received into just-replenished buffer
prior to exiting this routine. If the just-replenished buffer
is received and occupies the last RX ring entry, the interface
would not recover and instead would encounter RX packet drops
related to internal buffer shortages since the driver RX logic
is not being triggered to drain the RX ring. This patch will
address and prevent this "ring full" condition.
Fixes: f92e1869d74e ("Add Mellanox BlueField Gigabit Ethernet driver")
Reviewed-by: Asmaa Mnebhi <asmaa@nvidia.com>
Signed-off-by: David Thompson <davthompson@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7afd49a38e73afd57ff62c8d1cf5af760c4d49c0 ]
Currently the driver accepts VLAN EtherType steering rules regardless of
the configured mask. And things might fail silently or with confusing error
messages to the user. The VLAN EtherType can only be matched by full
mask. Therefore, add a check for that.
For instance the following rule is invalid, but the driver accepts it and
ignores the user specified mask:
|root@host:~# ethtool -N enp3s0 flow-type ether vlan-etype 0x8100 \
| m 0x00ff action 0
|Added rule with ID 63
|root@host:~# ethtool --show-ntuple enp3s0
|4 RX rings available
|Total 1 rules
|
|Filter: 63
| Flow Type: Raw Ethernet
| Src MAC addr: 00:00:00:00:00:00 mask: FF:FF:FF:FF:FF:FF
| Dest MAC addr: 00:00:00:00:00:00 mask: FF:FF:FF:FF:FF:FF
| Ethertype: 0x0 mask: 0xFFFF
| VLAN EtherType: 0x8100 mask: 0x0
| VLAN: 0x0 mask: 0xffff
| User-defined: 0x0 mask: 0xffffffffffffffff
| Action: Direct to queue 0
After:
|root@host:~# ethtool -N enp3s0 flow-type ether vlan-etype 0x8100 \
| m 0x00ff action 0
|rmgr: Cannot insert RX class rule: Operation not supported
Fixes: 2b477d057e33 ("igc: Integrate flex filter into ethtool ops")
Suggested-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b5063cbe148b829e8eb97672c2cbccc058835476 ]
Currently the driver accepts VLAN TCI steering rules regardless of the
configured mask. And things might fail silently or with confusing error
messages to the user.
There are two ways to handle the VLAN TCI mask:
1. Match on the PCP field using a VLAN prio filter
2. Match on complete TCI field using a flex filter
Therefore, add checks and code for that.
For instance the following rule is invalid and will be converted into a
VLAN prio rule which is not correct:
|root@host:~# ethtool -N enp3s0 flow-type ether vlan 0x0001 m 0xf000 \
| action 1
|Added rule with ID 61
|root@host:~# ethtool --show-ntuple enp3s0
|4 RX rings available
|Total 1 rules
|
|Filter: 61
| Flow Type: Raw Ethernet
| Src MAC addr: 00:00:00:00:00:00 mask: FF:FF:FF:FF:FF:FF
| Dest MAC addr: 00:00:00:00:00:00 mask: FF:FF:FF:FF:FF:FF
| Ethertype: 0x0 mask: 0xFFFF
| VLAN EtherType: 0x0 mask: 0xffff
| VLAN: 0x1 mask: 0x1fff
| User-defined: 0x0 mask: 0xffffffffffffffff
| Action: Direct to queue 1
After:
|root@host:~# ethtool -N enp3s0 flow-type ether vlan 0x0001 m 0xf000 \
| action 1
|rmgr: Cannot insert RX class rule: Operation not supported
Fixes: 7991487ecb2d ("igc: Allow for Flex Filters to be installed")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3e48041d9820c17e0a51599d12e66c6e12a8d08d ]
Prevent VF from configuring filters with unsupported actions or use
REDIRECT action with invalid tc number. Current checks could cause
out of bounds access on PF side.
Fixes: e284fc280473 ("i40e: Add and delete cloud filter")
Reviewed-by: Andrii Staikov <andrii.staikov@intel.com>
Signed-off-by: Sudheer Mogilappagari <sudheer.mogilappagari@intel.com>
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6d05ff55ef4f4954d28551236239f297bd52ea48 ]
Disabling netdev with ethtool private flag "link-down-on-close" enabled
can cause NULL pointer dereference bug. Shut down VSI regardless of
"link-down-on-close" state.
Fixes: 8ac7132704f3 ("ice: Fix interface being down after reset with link-down-on-close flag on")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Ngai-Mint Kwan <ngai-mint.kwan@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6a8d8bb55e7001de2d50920381cc858f3a3e9fb7 ]
The driver should not report an error message when for a medialess port
the link_down_on_close flag is enabled and the physical link cannot be
set down.
Fixes: 8ac7132704f3 ("ice: Fix interface being down after reset with link-down-on-close flag on")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Katarzyna Wieczerzycka <katarzyna.wieczerzycka@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0ee2384a5a0f3b4eeac8d10bb01a0609d245a4d1 ]
Couple of structures was not marked as __packed. This patch
fixes the same and mark them as __packed.
Fixes: 42006910b5ea ("octeontx2-af: cleanup KPU config data")
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 400f6ebbc175286576c7f7fddf3c347d09d12310 ]
On older devices (before unified image!) we can end up calling
stop_device from an rfkill interrupt. However, in stop_device
we attempt to synchronize IRQs, which then of course deadlocks.
Avoid this by checking the context, if running from the IRQ
thread then don't synchronize. This wouldn't be correct on a
new device since RSS is supported, but older devices only have
a single interrupt/queue.
Fixes: 37fb29bd1f90 ("wifi: iwlwifi: pcie: synchronize IRQs before NAPI")
Reviewed-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231215111335.59aab00baed7.Iadfe154d6248e7f9dfd69522e5429dbbd72925d7@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 3dc5d44545453de1de9c53cc529cc960a85933da upstream.
There is a bug in the ks8851 Ethernet driver that more data is written
to the hardware TX buffer than actually available. This is caused by
wrong accounting of the free TX buffer space.
The driver maintains a tx_space variable that represents the TX buffer
space that is deemed to be free. The ks8851_start_xmit_spi() function
adds an SKB to a queue if tx_space is large enough and reduces tx_space
by the amount of buffer space it will later need in the TX buffer and
then schedules a work item. If there is not enough space then the TX
queue is stopped.
The worker function ks8851_tx_work() dequeues all the SKBs and writes
the data into the hardware TX buffer. The last packet will trigger an
interrupt after it was send. Here it is assumed that all data fits into
the TX buffer.
In the interrupt routine (which runs asynchronously because it is a
threaded interrupt) tx_space is updated with the current value from the
hardware. Also the TX queue is woken up again.
Now it could happen that after data was sent to the hardware and before
handling the TX interrupt new data is queued in ks8851_start_xmit_spi()
when the TX buffer space had still some space left. When the interrupt
is actually handled tx_space is updated from the hardware but now we
already have new SKBs queued that have not been written to the hardware
TX buffer yet. Since tx_space has been overwritten by the value from the
hardware the space is not accounted for.
Now we have more data queued then buffer space available in the hardware
and ks8851_tx_work() will potentially overrun the hardware TX buffer. In
many cases it will still work because often the buffer is written out
fast enough so that no overrun occurs but for example if the peer
throttles us via flow control then an overrun may happen.
This can be fixed in different ways. The most simple way would be to set
tx_space to 0 before writing data to the hardware TX buffer preventing
the queuing of more SKBs until the TX interrupt has been handled. I have
chosen a slightly more efficient (and still rather simple) way and
track the amount of data that is already queued and not yet written to
the hardware. When new SKBs are to be queued the already queued amount
of data is honoured when checking free TX buffer space.
I tested this with a setup of two linked KS8851 running iperf3 between
the two in bidirectional mode. Before the fix I got a stall after some
minutes. With the fix I saw now issues anymore after hours.
Fixes: 3ba81f3ece3c ("net: Micrel KS8851 SPI network driver")
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Ben Dooks <ben.dooks@codethink.co.uk>
Cc: Tristram Ha <Tristram.Ha@microchip.com>
Cc: netdev@vger.kernel.org
Cc: stable@vger.kernel.org # 5.10+
Signed-off-by: Ronald Wahl <ronald.wahl@raritan.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20231214181112.76052-1-rwahl@gmx.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit aef05e349bfd81c95adb4489639413fadbb74a83 upstream.
When the device is disconnected we get the following messages showing
failed operations:
Nov 28 20:22:11 localhost kernel: usb 2-3: USB disconnect, device number 2
Nov 28 20:22:11 localhost kernel: ax88179_178a 2-3:1.0 enp2s0u3: unregister 'ax88179_178a' usb-0000:02:00.0-3, ASIX AX88179 USB 3.0 Gigabit Ethernet
Nov 28 20:22:11 localhost kernel: ax88179_178a 2-3:1.0 enp2s0u3: Failed to read reg index 0x0002: -19
Nov 28 20:22:11 localhost kernel: ax88179_178a 2-3:1.0 enp2s0u3: Failed to write reg index 0x0002: -19
Nov 28 20:22:11 localhost kernel: ax88179_178a 2-3:1.0 enp2s0u3 (unregistered): Failed to write reg index 0x0002: -19
Nov 28 20:22:11 localhost kernel: ax88179_178a 2-3:1.0 enp2s0u3 (unregistered): Failed to write reg index 0x0001: -19
Nov 28 20:22:11 localhost kernel: ax88179_178a 2-3:1.0 enp2s0u3 (unregistered): Failed to write reg index 0x0002: -19
The reason is that although the device is detached, normal stop and
unbind operations are commanded from the driver. These operations are
not necessary in this situation, so avoid these logs when the device is
detached if the result of the operation is -ENODEV and if the new flag
informing about the disconnecting status is enabled.
cc: <stable@vger.kernel.org>
Fixes: e2ca90c276e1f ("ax88179_178a: ASIX AX88179_178A USB 3.0/2.0 to gigabit ethernet adapter driver")
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20231207175007.263907-1-jtornosm@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[ Upstream commit 309fdb1c33fe726d92d0030481346f24e1b01f07 ]
In the error handling of 'offset > adapter->ring_size', the
tx_ring->tx_buffer allocated by kzalloc should be freed,
instead of 'goto failed' instantly.
Fixes: a6a5325239c2 ("atl1e: Atheros L1E Gigabit Ethernet driver")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Reviewed-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 8c97ab5448f2096daba11edf8d18a44e1eb6f31d ]
During PFC configuration failure the code was not handling a graceful
exit. This patch fixes the same and add proper code for a graceful exit.
Fixes: 99c969a83d82 ("octeontx2-pf: Add egress PFC support")
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 52eda4641d041667fa059f4855c5f88dcebd8afe ]
There is a typo in the driver due to which we report incorrect TX RMON
counters for the 256-511 octet bucket and all the other buckets larger
than that.
Bug found with the selftest at
https://patchwork.kernel.org/project/netdevbpf/patch/20231211223346.2497157-9-tobias@waldekranz.com/
Fixes: e32036e1ae7b ("net: mscc: ocelot: add support for all sorts of standardized counters present in DSA")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20231214000902.545625-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b13559b76157de9d74f04d3ca0e49d69de3b5675 ]
snprintf returns the length of the formatted string, excluding the trailing
null, without accounting for truncation. This means that is the return
value is greater than or equal to the size parameter, the fw_version string
was truncated.
Link: https://docs.kernel.org/core-api/kernel-api.html#c.snprintf
Fixes: 1b2bd0c0264f ("net/mlx5e: Check return value of snprintf writing to fw_version buffer for representors")
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ad436b9c1270c40554e274f067f1b78fcc06a004 ]
snprintf returns the length of the formatted string, excluding the trailing
null, without accounting for truncation. This means that is the return
value is greater than or equal to the size parameter, the fw_version string
was truncated.
Reported-by: David Laight <David.Laight@ACULAB.COM>
Closes: https://lore.kernel.org/netdev/81cae734ee1b4cde9b380a9a31006c1a@AcuMS.aculab.com/
Link: https://docs.kernel.org/core-api/kernel-api.html#c.snprintf
Fixes: 41e63c2baa11 ("net/mlx5e: Check return value of snprintf writing to fw_version buffer")
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 4261edf11cb7c9224af713a102e5616329306932 ]
While handling new traces, to verify it is not the first block being
written, last_timestamp is checked. But instead of checking it is non
zero it is verified to be zero. Fix to verify last_timestamp is not
zero.
Fixes: c71ad41ccb0c ("net/mlx5: FW tracer, events handling")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Feras Daoud <ferasda@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit e75efc6466ae289e599fb12a5a86545dff245c65 ]
When kcalloc() for ft->g succeeds but kvzalloc() for in fails,
fs_udp_create_groups() will free ft->g. However, its caller
fs_udp_create_table() will free ft->g again through calling
mlx5e_destroy_flow_table(), which will lead to a double-free.
Fix this by setting ft->g to NULL in fs_udp_create_groups().
Fixes: 1c80bd684388 ("net/mlx5e: Introduce Flow Steering UDP API")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 8f5100da56b3980276234e812ce98d8f075194cd ]
Fix a cmd->ent use after free due to a race on command entry.
Such race occurs when one of the commands releases its last refcount and
frees its index and entry while another process running command flush
flow takes refcount to this command entry. The process which handles
commands flush may see this command as needed to be flushed if the other
process allocated a ent->idx but didn't set ent to cmd->ent_arr in
cmd_work_handler(). Fix it by moving the assignment of cmd->ent_arr into
the spin lock.
[70013.081955] BUG: KASAN: use-after-free in mlx5_cmd_trigger_completions+0x1e2/0x4c0 [mlx5_core]
[70013.081967] Write of size 4 at addr ffff88880b1510b4 by task kworker/26:1/1433361
[70013.081968]
[70013.082028] Workqueue: events aer_isr
[70013.082053] Call Trace:
[70013.082067] dump_stack+0x8b/0xbb
[70013.082086] print_address_description+0x6a/0x270
[70013.082102] kasan_report+0x179/0x2c0
[70013.082173] mlx5_cmd_trigger_completions+0x1e2/0x4c0 [mlx5_core]
[70013.082267] mlx5_cmd_flush+0x80/0x180 [mlx5_core]
[70013.082304] mlx5_enter_error_state+0x106/0x1d0 [mlx5_core]
[70013.082338] mlx5_try_fast_unload+0x2ea/0x4d0 [mlx5_core]
[70013.082377] remove_one+0x200/0x2b0 [mlx5_core]
[70013.082409] pci_device_remove+0xf3/0x280
[70013.082439] device_release_driver_internal+0x1c3/0x470
[70013.082453] pci_stop_bus_device+0x109/0x160
[70013.082468] pci_stop_and_remove_bus_device+0xe/0x20
[70013.082485] pcie_do_fatal_recovery+0x167/0x550
[70013.082493] aer_isr+0x7d2/0x960
[70013.082543] process_one_work+0x65f/0x12d0
[70013.082556] worker_thread+0x87/0xb50
[70013.082571] kthread+0x2e9/0x3a0
[70013.082592] ret_from_fork+0x1f/0x40
The logical relationship of this error is as follows:
aer_recover_work | ent->work
-------------------------------------------+------------------------------
aer_recover_work_func |
|- pcie_do_recovery |
|- report_error_detected |
|- mlx5_pci_err_detected |cmd_work_handler
|- mlx5_enter_error_state | |- cmd_alloc_index
|- enter_error_state | |- lock cmd->alloc_lock
|- mlx5_cmd_flush | |- clear_bit
|- mlx5_cmd_trigger_completions| |- unlock cmd->alloc_lock
|- lock cmd->alloc_lock |
|- vector = ~dev->cmd.vars.bitmask
|- for_each_set_bit |
|- cmd_ent_get(cmd->ent_arr[i]) (UAF)
|- unlock cmd->alloc_lock | |- cmd->ent_arr[ent->idx]=ent
The cmd->ent_arr[ent->idx] assignment and the bit clearing are not
protected by the cmd->alloc_lock in cmd_work_handler().
Fixes: 50b2412b7e78 ("net/mlx5: Avoid possible free of command entry while timeout comp handler")
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Shifeng Li <lishifeng@sangfor.com.cn>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 58db72869a9f8e01910844ca145efc2ea91bbbf9 ]
Downstream patch will split mlx5_cmd_init() to probe and reload
routines. As a preparation, organize mlx5_cmd struct so that any
field that will be used in the reload routine are grouped at new
nested struct.
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Stable-dep-of: 8f5100da56b3 ("net/mlx5e: Fix a race in command alloc flow")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 63fbae0a74c3e1df7c20c81e04353ced050d9887 ]
Certain connection-based device-offload protocols (like TLS) use
per-connection HW objects to track the state, maintain the context, and
perform the offload properly. Some of these objects are created,
modified, and destroyed via FW commands. Under high connection rate,
this type of FW commands might continuously populate all slots of the FW
command interface and throttle it, while starving other critical control
FW commands.
Limit these throttle commands to using only up to a portion (half) of
the FW command interface slots. FW commands maximal rate is not hit, and
the same high rate is still reached when applying this limitation.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Stable-dep-of: 8f5100da56b3 ("net/mlx5e: Fix a race in command alloc flow")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7cb5eb937231663d11f7817e366f6f86a142d6d3 ]
Introduce an opcode getter in the FW command interface, and use it.
Initialize the entry's opcode field early in cmd_alloc_ent() and use it
when possible.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Stable-dep-of: 8f5100da56b3 ("net/mlx5e: Fix a race in command alloc flow")
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5d089684dc434a31e08d32f0530066d0025c52e4 ]
This reverts commit 6f9b1a0731662648949a1c0587f6acb3b7f8acf1.
This patch is causing a null ptr issue, the proper fix is in the next
patch.
Fixes: 6f9b1a073166 ("net/mlx5e: fix double free of encap_header")
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 66ca8d4deca09bce3fc7bcf8ea7997fa1a51c33c ]
This reverts commit 3a4aa3cb83563df942be49d145ee3b7ddf17d6bb.
This patch is causing a null ptr issue, the proper fix is in the next
patch.
Fixes: 3a4aa3cb8356 ("net/mlx5e: fix double free of encap_header in update funcs")
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a4754182dc936b97ec7e9f6b08cdf7ed97ef9069 ]
Evidently I had only looked at all the ones in rx.c, and missed this.
Add bh-disable to this use of the rxq->lock as well.
Fixes: 25edc8f259c7 ("iwlwifi: pcie: properly implement NAPI")
Reported-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231208183100.e79ad3dae649.I8f19713c4383707f8be7fc20ff5cc1ecf12429bb@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 0fbd79c01a9a657348f7032df70c57a406468c86 upstream.
Set supports_autosuspend = 1 for the rtl8152_cfgselector_driver.
Fixes: ec51fbd1b8a2 ("r8152: add USB device driver for config selection")
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 95a4c1d617b92cdc4522297741b56e8f6cd01a1e upstream.
After commit ec51fbd1b8a2 ("r8152: add USB device driver for
config selection"), the code about changing USB configuration
in rtl_vendor_mode() wouldn't be run anymore. Therefore, the
function could be removed.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 0d4cda805a183bbe523f2407edb5c14ade50b841 upstream.
The rtl8152_cfgselector_probe() should set the USB configuration to the
vendor mode only for the devices which the driver (r8152) supports.
Otherwise, no driver would be used for such devices.
Fixes: ec51fbd1b8a2 ("r8152: add USB device driver for config selection")
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit c12296bbecc488623b7d1932080e394d08f3226b upstream.
In __team_options_register, team_options are allocated and appended to
the team's option_list.
If one option instance allocation fails, the "inst_rollback" cleanup
path frees the previously allocated options but doesn't remove them from
the team's option_list.
This leaves dangling pointers that can be dereferenced later by other
parts of the team driver that iterate over options.
This patch fixes the cleanup path to remove the dangling pointers from
the list.
As far as I can tell, this uaf doesn't have much security implications
since it would be fairly hard to exploit (an attacker would need to make
the allocation of that specific small object fail) but it's still nice
to fix.
Cc: stable@vger.kernel.org
Fixes: 80f7c6683fe0 ("team: add support for per-port options")
Signed-off-by: Florent Revest <revest@chromium.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20231206123719.1963153-1-revest@chromium.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
