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The IFLA_STATS_LINK_OFFLOAD_XSTATS attribute is a nest whose child
attributes carry various special hardware statistics. The code that handles
this nest was written with the idea that all these statistics would be
exposed by the device driver of a physical netdevice.
In the following patches, a new attribute is added to the abovementioned
nest, which however can be defined for some soft netdevices. The NDO-based
approach to querying these does not work, because it is not the soft
netdevice driver that exposes these statistics, but an offloading NIC
driver that does so.
The current code does not scale well to this usage. Simply rewrite it back
to the pattern seen in other fill-like and get_size-like functions
elsewhere.
Extract to helpers the code that is concerned with handling specifically
NDO-backed statistics so that it can be easily reused should more such
statistics be added.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The currently used names rtnl_get_offload_stats() and
rtnl_get_offload_stats_size() do not clearly show the namespace. The former
function additionally seems to have been named this way in accordance with
the NDO name, as opposed to the naming used in the rtnetlink.c file (and
indeed elsewhere in the netlink handling code). As more and
differently-flavored attributes are introduced, a common clear prefix is
needed for all related functions.
Rename the functions to follow the rtnl_offload_xstats_* naming scheme.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
D. Wythe says:
====================
fix unexpected SMC_CLC_DECL_ERR_REGRMB error
We can easily trigger the SMC_CLC_DECL_ERR_REGRMB exception within
following script:
server: smc_run nginx
client: smc_run ./wrk -c 2000 -t 8 -d 20 http://smc-server
And we can clearly see that this error is also divided into two types:
1. 0x09990003
2. 0x05000000/0x09990003
Which has the same root causes, but the immediate causes vary.
The root cause of this issues is that remove connections from link group
is not synchronous with add/delete rtoken entry, which means that even
the number of connections is less that SMC_RMBS_PER_LGR_MAX, it does not
mean that the connection can register rtoken successfully later. In
other words, the rtoken entry may released, This will cause an
unexpected SMC_CLC_DECL_ERR_REGRMB to be reported, and then this SMC
connections have to fallback to TCP.
This patch set handles two types of SMC_CLC_DECL_ERR_REGRMB exceptions
from different perspectives.
Patch 1: fix the 0x05000000/0x09990003 error.
Patch 2: fix the 0x09990003 error.
After those patches, there is no SMC_CLC_DECL_ERR_REGRMB exceptions in
my
test case any more.
v1 -> v2:
- add bugfix patch for SMC_CLC_DECL_ERR_REGRMB cause by server side
v2 -> v3:
- fix incorrect mail thread
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The problem of SMC_CLC_DECL_ERR_REGRMB on the server is very clear.
Based on the fact that whether a new SMC connection can be accepted or
not depends on not only the limit of conn nums, but also the available
entries of rtoken. Since the rtoken release is trigger by peer, while
the conn nums is decrease by local, tons of thing can happen in this
time difference.
This only thing that needs to be mentioned is that now all connection
creations are completely protected by smc_server_lgr_pending lock, it's
enough to check only the available entries in rtokens_used_mask.
Fixes: cd6851f30386 ("smc: remote memory buffers (RMBs)")
Signed-off-by: D. Wythe <alibuda@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The main reason for this unexpected SMC_CLC_DECL_ERR_REGRMB in client
dues to following execution sequence:
Server Conn A: Server Conn B: Client Conn B:
smc_lgr_unregister_conn
smc_lgr_register_conn
smc_clc_send_accept ->
smc_rtoken_add
smcr_buf_unuse
-> Client Conn A:
smc_rtoken_delete
smc_lgr_unregister_conn() makes current link available to assigned to new
incoming connection, while smcr_buf_unuse() has not executed yet, which
means that smc_rtoken_add may fail because of insufficient rtoken_entry,
reversing their execution order will avoid this problem.
Fixes: 3e034725c0d8 ("net/smc: common functions for RMBs and send buffers")
Signed-off-by: D. Wythe <alibuda@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
During driver initialization, the pointer of card info, i.e. the
variable 'ci' is required. However, the definition of
'com20020pci_id_table' reveals that this field is empty for some
devices, which will cause null pointer dereference when initializing
these devices.
The following log reveals it:
[ 3.973806] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
[ 3.973819] RIP: 0010:com20020pci_probe+0x18d/0x13e0 [com20020_pci]
[ 3.975181] Call Trace:
[ 3.976208] local_pci_probe+0x13f/0x210
[ 3.977248] pci_device_probe+0x34c/0x6d0
[ 3.977255] ? pci_uevent+0x470/0x470
[ 3.978265] really_probe+0x24c/0x8d0
[ 3.978273] __driver_probe_device+0x1b3/0x280
[ 3.979288] driver_probe_device+0x50/0x370
Fix this by checking whether the 'ci' is a null pointer first.
Fixes: 8c14f9c70327 ("ARCNET: add com20020 PCI IDs with metadata")
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Today when VFs are put in promiscuous mode, they can request PF
to configure device for them to receive all VLANs traffic regardless
of what vlan is configured by the PF (via ip link) and PF allows this
config request regardless of whether VF is trusted or not.
From security POV, when VLAN is configured for VF through PF (via ip link),
honour such config requests from VF only when they are configured to be
trusted, otherwise restrict such VFs vlan promisc mode config.
Cc: stable@vger.kernel.org
Fixes: f990c82c385b ("qed*: Add support for ndo_set_vf_trust")
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Driver does support SR-IOV VFs trust configuration but
it does not display it when queried via ip link utility.
Cc: stable@vger.kernel.org
Fixes: f990c82c385b ("qed*: Add support for ndo_set_vf_trust")
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
@ 2022-03-02 10:39 Bhupesh Sharma
2022-03-02 10:39 ` [PATCH v2 1/2 net-next] net: stmmac: Add support for SM8150 Bhupesh Sharma
2022-03-02 10:39 ` [PATCH v2 2/2 net-next] net: stmmac: dwmac-qcom-ethqos: Adjust rgmii loopback_en per platform Bhupesh Sharma
0 siblings, 2 replies; 3+ messages in thread
Bhupesh Sharma says:
====================
net: stmmac: Enable support for Qualcomm SA8155p-ADP board
Changes since v1:
-----------------
- v1 can be seen here: https://lore.kernel.org/netdev/20220126221725.710167-1-bhupesh.sharma@linaro.org/t/
- Fixed review comments from Bjorn - broke the v1 series into two
separate series - one each for 'net' tree and 'arm clock/dts' tree
- so as to ease review of the same from the respective maintainers.
- This series is intended for the 'net' tree.
The SA8155p-ADP board supports on-board ethernet (Gibabit Interface),
with support for both RGMII and RMII buses.
This patchset adds the support for the same.
Note that this patchset is based on an earlier sent patchset
for adding PDC controller support on SM8150 (see [1]).
[1]. https://lore.kernel.org/linux-arm-msm/20220226184028.111566-1-bhupesh.sharma@linaro.org/T/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Not all platforms should have RGMII_CONFIG_LOOPBACK_EN and the result it
about 50% packet loss on incoming messages. So make it possile to
configure this per compatible and enable it for QCS404.
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds compatible, POR config & driver data for ethernet controller
found in SM8150 SoC.
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
[bhsharma: Massage the commit log and other cosmetic changes]
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Joe Damato says:
====================
page_pool: Add stats counters
Greetings:
Welcome to v9.
This revisions adds a commit which updates the page_pool documentation to
describe the stats API, structures, and fields.
Additionally, this revision contains a minor cosmetic change suggested by
Saeed in page_pool_recycle_in_ring in commit 2: "page_pool: Add recycle
stats", which removes an unnecessary #ifdef.
There are no functional changes in this revision.
Benchmark output from the v7 cover [1] is pasted below, as it is still
relevant since no functional changes have been made in this revision:
Benchmarks have been re-run. As always, results between runs are highly
variable; you'll find results showing that stats disabled are both faster
and slower than stats enabled in back to back benchmark runs.
Raw benchmark output with stats off [2] and stats on [3] are available for
examination.
Test system:
- 2x Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz
- 2 NUMA zones, with 18 cores per zone and 2 threads per core
bench_page_pool_simple results, loops=200000000
test name stats enabled stats disabled
cycles nanosec cycles nanosec
for_loop 0 0.335 0 0.336
atomic_inc 14 6.106 13 6.022
lock 30 13.365 32 13.968
no-softirq-page_pool01 75 32.884 74 32.308
no-softirq-page_pool02 79 34.696 74 32.302
no-softirq-page_pool03 110 48.005 105 46.073
tasklet_page_pool01_fast_path 14 6.156 14 6.211
tasklet_page_pool02_ptr_ring 41 18.028 39 17.391
tasklet_page_pool03_slow 107 46.646 105 46.123
bench_page_pool_cross_cpu results, loops=20000000 returning_cpus=4:
test name stats enabled stats disabled
cycles nanosec cycles nanosec
page_pool_cross_cpu CPU(0) 3973 1731.596 4015 1750.015
page_pool_cross_cpu CPU(1) 3976 1733.217 4022 1752.864
page_pool_cross_cpu CPU(2) 3973 1731.615 4016 1750.433
page_pool_cross_cpu CPU(3) 3976 1733.218 4021 1752.806
page_pool_cross_cpu CPU(4) 994 433.305 1005 438.217
page_pool_cross_cpu average 3378 - 3415 -
bench_page_pool_cross_cpu results, loops=20000000 returning_cpus=8:
test name stats enabled stats disabled
cycles nanosec cycles nanosec
page_pool_cross_cpu CPU(0) 6969 3037.488 6909 3011.463
page_pool_cross_cpu CPU(1) 6974 3039.469 6913 3012.961
page_pool_cross_cpu CPU(2) 6969 3037.575 6910 3011.585
page_pool_cross_cpu CPU(3) 6974 3039.415 6913 3012.961
page_pool_cross_cpu CPU(4) 6969 3037.288 6909 3011.368
page_pool_cross_cpu CPU(5) 6972 3038.732 6913 3012.920
page_pool_cross_cpu CPU(6) 6969 3037.350 6909 3011.386
page_pool_cross_cpu CPU(7) 6973 3039.356 6913 3012.921
page_pool_cross_cpu CPU(8) 871 379.934 864 376.620
page_pool_cross_cpu average 6293 - 6239 -
Thanks.
[1]: https://lore.kernel.org/all/1645810914-35485-1-git-send-email-jdamato@fastly.com/
[2]: 327dcd71d1/v7_stats_disabled
[3]: 327dcd71d1/v7_stats_enabled
v8 -> v9:
- Add documentation about the page_pool_get_stats API, stats
structures, and fields to Documentation/networking/page_pool.rst.
- Remove unnecessary #ifdef in page_pool_recycle_in_ring.
v7 -> v8:
- Rename mlx5 ethtool stats so that users have a better idea of
their meaning.
v6 -> v7:
- stats split out into two structs one single per-page pool struct
for allocation path stats and one per-cpu pointer for recycle
path stats.
- page_pool_get_stats updated to use a wrapper struct to gather
stats for allocation and recycle stats with a single argument.
- placement of structs adjusted
- mlx5 driver modified to use page_pool_get_stats API
v5 -> v6:
- Per cpu page_pool_stats struct pointer is now marked as
____cacheline_aligned_in_smp. Placement of the field in the
struct is unchanged; it is the last field.
v4 -> v5:
- Fixed the description of the kernel option in Kconfig.
- Squashed commits 1-10 from v4 into a single commit for easier
review.
- Changed the comment style of the comment for
the this_cpu_inc_alloc_stat macro.
- Changed the return type of page_pool_get_stats from struct
page_pool_stat * to bool.
v3 -> v4:
- Restructured stats to be per-cpu per-pool.
- Global stats and proc file were removed.
- Exposed an API (page_pool_get_stats) for batching the pool stats.
v2 -> v3:
- patch 8/10 ("Add stat tracking cache refill") fixed placement of
counter increment.
- patch 10/10 ("net-procfs: Show page pool stats in proc") updated:
- fix unused label warning from kernel test robot,
- fixed page_pool_seq_show to only display the refill stat
once,
- added a remove_proc_entry for page_pool_stat to
dev_proc_net_exit.
v1 -> v2:
- A new kernel config option has been added, which defaults to N,
preventing this code from being compiled in by default
- The stats structure has been converted to a per-cpu structure
- The stats are now exported via proc (/proc/net/page_pool_stat)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This change adds support for the page_pool_get_stats API to mlx5. If the
user has enabled CONFIG_PAGE_POOL_STATS in their kernel, ethtool will
output page pool stats.
Signed-off-by: Joe Damato <jdamato@fastly.com>
Acked-by: Saeed Mahameed <saeed@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the new stats API, kernel config parameter, and stats structure
information to the page_pool documentation.
Signed-off-by: Joe Damato <jdamato@fastly.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds a function page_pool_get_stats which can be used by drivers to obtain
stats for a specified page_pool.
Signed-off-by: Joe Damato <jdamato@fastly.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add per-cpu stats tracking page pool recycling events:
- cached: recycling placed page in the page pool cache
- cache_full: page pool cache was full
- ring: page placed into the ptr ring
- ring_full: page released from page pool because the ptr ring was full
- released_refcnt: page released (and not recycled) because refcnt > 1
Signed-off-by: Joe Damato <jdamato@fastly.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add per-pool statistics counters for the allocation path of a page pool.
These stats are incremented in softirq context, so no locking or per-cpu
variables are needed.
This code is disabled by default and a kernel config option is provided for
users who wish to enable them.
The statistics added are:
- fast: successful fast path allocations
- slow: slow path order-0 allocations
- slow_high_order: slow path high order allocations
- empty: ptr ring is empty, so a slow path allocation was forced.
- refill: an allocation which triggered a refill of the cache
- waive: pages obtained from the ptr ring that cannot be added to
the cache due to a NUMA mismatch.
Signed-off-by: Joe Damato <jdamato@fastly.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
If recv_actor() returns an incorrect value, tcp_read_sock()
might loop forever.
Instead, issue a one time warning and make sure to make progress.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20220302161723.3910001-2-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, sk_psock_verdict_recv() returns skb->len
This is problematic because tcp_read_sock() might have
passed orig_len < skb->len, due to the presence of TCP urgent data.
This causes an infinite loop from tcp_read_sock()
Followup patch will make tcp_read_sock() more robust vs bad actors.
Fixes: ef5659280eb1 ("bpf, sockmap: Allow skipping sk_skb parser program")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Tested-by: Jakub Sitnicki <jakub@cloudflare.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20220302161723.3910001-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Network drivers such as igb or igc call eth_get_headlen() to determine the
header length for their to be constructed skbs in receive path.
When running HSR on top of these drivers, it results in triggering BUG_ON() in
skb_pull(). The reason is the skb headlen is not sufficient for HSR to work
correctly. skb_pull() notices that.
For instance, eth_get_headlen() returns 14 bytes for TCP traffic over HSR which
is not correct. The problem is, the flow dissection code does not take HSR into
account. Therefore, add support for it.
Reported-by: Anthony Harivel <anthony.harivel@linutronix.de>
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Link: https://lore.kernel.org/r/20220228195856.88187-1-kurt@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Eliminate the following coccicheck warning:
./net/openvswitch/flow.c:379:2-3: Unneeded semicolon
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220227132208.24658-1-yang.lee@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add extack message to return exact message to user when adding invalid
filter with conflict flags for TC action.
In previous implement we just return EINVAL which is confusing for user.
Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Link: https://lore.kernel.org/r/1646191769-17761-1-git-send-email-baowen.zheng@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In order to function, the IPA driver very clearly requires the
interconnect framework to be enabled in the kernel configuration.
State that dependency in the Kconfig file.
This became a problem when CONFIG_COMPILE_TEST support was added.
Non-Qualcomm platforms won't necessarily enable CONFIG_INTERCONNECT.
Reported-by: kernel test robot <lkp@intel.com>
Fixes: 38a4066f593c5 ("net: ipa: support COMPILE_TEST")
Signed-off-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20220301113440.257916-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
40GbE Intel Wired LAN Driver Updates 2022-03-01
This series contains updates to iavf driver only.
Mateusz adds support for interrupt moderation for 50G and 100G speeds
as well as support for the driver to specify a request as its primary
MAC address. He also refactors VLAN V2 capability exchange into more
generic extended capabilities to ease the addition of future
capabilities. Finally, he corrects the incorrect return of iavf_status
values and removes non-inclusive language.
Minghao Chi removes unneeded variables, instead returning values
directly.
* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
iavf: Remove non-inclusive language
iavf: Fix incorrect use of assigning iavf_status to int
iavf: stop leaking iavf_status as "errno" values
iavf: remove redundant ret variable
iavf: Add usage of new virtchnl format to set default MAC
iavf: refactor processing of VLAN V2 capability message
iavf: Add support for 50G/100G in AIM algorithm
====================
Link: https://lore.kernel.org/r/20220301185939.3005116-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Use ida_alloc_xxx()/ida_free() instead to
ida_simple_get()/ida_simple_remove().
The latter is deprecated and more verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20220301131212.26348-1-simon.horman@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The truesize for a UDP GRO packet is added by main skb and skbs in main
skb's frag_list:
skb_gro_receive_list
p->truesize += skb->truesize;
The commit 53475c5dd856 ("net: fix use-after-free when UDP GRO with
shared fraglist") introduced a truesize increase for frag_list skbs.
When uncloning skb, it will call pskb_expand_head and trusesize for
frag_list skbs may increase. This can occur when allocators uses
__netdev_alloc_skb and not jump into __alloc_skb. This flow does not
use ksize(len) to calculate truesize while pskb_expand_head uses.
skb_segment_list
err = skb_unclone(nskb, GFP_ATOMIC);
pskb_expand_head
if (!skb->sk || skb->destructor == sock_edemux)
skb->truesize += size - osize;
If we uses increased truesize adding as delta_truesize, it will be
larger than before and even larger than previous total truesize value
if skbs in frag_list are abundant. The main skb truesize will become
smaller and even a minus value or a huge value for an unsigned int
parameter. Then the following memory check will drop this abnormal skb.
To avoid this error we should use the original truesize to segment the
main skb.
Fixes: 53475c5dd856 ("net: fix use-after-free when UDP GRO with shared fraglist")
Signed-off-by: lena wang <lena.wang@mediatek.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/1646133431-8948-1-git-send-email-lena.wang@mediatek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Convert sfp to use %pe for printing error codes, which can print them
as errno symbols rather than numbers.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/E1nOyEN-00BuuE-OB@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Convert phylink to use %pe for printing error codes, which can print
them as errno symbols rather than numbers.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/E1nOyEI-00Buu8-K9@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- bump version strings, by Simon Wunderlich
- Remove redundant 'flush_workqueue()' calls, by Christophe JAILLET
- Migrate to linux/container_of.h, by Sven Eckelmann
- Demote batadv-on-batadv skip error message, by Sven Eckelmann
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Merge tag 'batadv-next-pullrequest-20220302' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
This cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich
- Remove redundant 'flush_workqueue()' calls, by Christophe JAILLET
- Migrate to linux/container_of.h, by Sven Eckelmann
- Demote batadv-on-batadv skip error message, by Sven Eckelmann
* tag 'batadv-next-pullrequest-20220302' of git://git.open-mesh.org/linux-merge:
batman-adv: Demote batadv-on-batadv skip error message
batman-adv: Migrate to linux/container_of.h
batman-adv: Remove redundant 'flush_workqueue()' calls
batman-adv: Start new development cycle
====================
Link: https://lore.kernel.org/r/20220302163522.102842-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Remove redundant iflink requests, by Sven Eckelmann (2 patches)
- Don't expect inter-netns unique iflink indices, by Sven Eckelmann
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Merge tag 'batadv-net-pullrequest-20220302' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
Here are some batman-adv bugfixes:
- Remove redundant iflink requests, by Sven Eckelmann (2 patches)
- Don't expect inter-netns unique iflink indices, by Sven Eckelmann
* tag 'batadv-net-pullrequest-20220302' of git://git.open-mesh.org/linux-merge:
batman-adv: Don't expect inter-netns unique iflink indices
batman-adv: Request iflink once in batadv_get_real_netdevice
batman-adv: Request iflink once in batadv-on-batadv check
====================
Link: https://lore.kernel.org/r/20220302163049.101957-1-sw@simonwunderlich.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- fix build issue in iwlwifi, now that I understood
what's going on there
- propagate error in iwlwifi/mvm to userspace so it
can figure out what's happening
- fix channel switch related updates in P2P-client
in cfg80211
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Merge tag 'wireless-for-net-2022-03-02' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Three more fixes:
- fix build issue in iwlwifi, now that I understood
what's going on there
- propagate error in iwlwifi/mvm to userspace so it
can figure out what's happening
- fix channel switch related updates in P2P-client
in cfg80211
* tag 'wireless-for-net-2022-03-02' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
iwlwifi: mvm: return value for request_ownership
nl80211: Update bss channel on channel switch for P2P_CLIENT
iwlwifi: fix build error for IWLMEI
====================
Link: https://lore.kernel.org/r/20220302214444.100180-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pull ucounts fix from Eric Biederman:
"Etienne Dechamps recently found a regression caused by enforcing
RLIMIT_NPROC for root where the rlimit was not previously enforced.
Michal Koutný had previously pointed out the inconsistency in
enforcing the RLIMIT_NPROC that had been on the root owned process
after the root user creates a user namespace.
Which makes the fix for the regression simply removing the
inconsistency"
* 'ucount-rlimit-fixes-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
ucounts: Fix systemd LimitNPROC with private users regression
While it might work, the current approach is fragile in a few ways:
- whenever members in the structure are shuffled, the pointer will be wrong
- the resource freeing may include more than covered by kfree()
Fix this by using charlcd_free() call instead of kfree().
Fixes: 8c9108d014c5 ("auxdisplay: add a driver for lcd2s character display")
Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Once allocated the struct lcd2s_data is never freed.
Fix the memory leak by switching to devm_kzalloc().
Fixes: 8c9108d014c5 ("auxdisplay: add a driver for lcd2s character display")
Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
It seems that the lcd2s_redefine_char() has never been properly
tested. The buffer is filled by DEF_CUSTOM_CHAR command followed
by the character number (from 0 to 7), but immediately after that
these bytes are rewritten by the decoded hex stream.
Fix the index to fill the buffer after the command and number.
Fixes: 8c9108d014c5 ("auxdisplay: add a driver for lcd2s character display")
Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
[fixed typo in commit message]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Propagate the value to the user space so it can understand
if the operation failed or not.
Fixes: bfcfdb59b669 ("iwlwifi: mvm: add vendor commands needed for iwlmei")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://lore.kernel.org/r/20220302072715.4885-1-emmanuel.grumbach@intel.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The wdev channel information is updated post channel switch only for
the station mode and not for the other modes. Due to this, the P2P client
still points to the old value though it moved to the new channel
when the channel change is induced from the P2P GO.
Update the bss channel after CSA channel switch completion for P2P client
interface as well.
Signed-off-by: Sreeramya Soratkal <quic_ssramya@quicinc.com>
Link: https://lore.kernel.org/r/1646114600-31479-1-git-send-email-quic_ssramya@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When CONFIG_IWLWIFI=m and CONFIG_IWLMEI=y, the kernel build system
must be told to build the iwlwifi/ subdirectory for both IWLWIFI and
IWLMEI so that builds for both =y and =m are done.
This resolves an undefined reference build error:
ERROR: modpost: "iwl_mei_is_connected" [drivers/net/wireless/intel/iwlwifi/iwlwifi.ko] undefined!
Fixes: 977df8bd5844 ("wlwifi: work around reverse dependency on MEI")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: linux-wireless@vger.kernel.org
Link: https://lore.kernel.org/r/20220227200051.7176-1-rdunlap@infradead.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Song Liu says:
====================
Changes v1 => v2:
1. Rephrase comments in 2/2. (Yonghong)
Two fixes for bpf_prog_pack.
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
On do_jit failure path, the header is freed by bpf_jit_binary_pack_free.
While bpf_jit_binary_pack_free doesn't require proper ro_header->size,
bpf_prog_pack_free still uses it. Set header->size in bpf_int_jit_compile
before calling bpf_jit_binary_pack_free.
Fixes: 1022a5498f6f ("bpf, x86_64: Use bpf_jit_binary_pack_alloc")
Fixes: 33c9805860e5 ("bpf: Introduce bpf_jit_binary_pack_[alloc|finalize|free]")
Reported-by: Kui-Feng Lee <kuifeng@fb.com>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220302175126.247459-3-song@kernel.org
kernel test robot reported kernel BUG like:
[ 44.587744][ T1] kernel BUG at arch/x86/mm/physaddr.c:76!
[ 44.590151][ T1] __vmalloc_area_node (mm/vmalloc.c:622 mm/vmalloc.c:2995)
[ 44.590151][ T1] __vmalloc_node_range (mm/vmalloc.c:3108)
[ 44.590151][ T1] __vmalloc_node (mm/vmalloc.c:3157)
which is triggered with HAVE_ARCH_HUGE_VMALLOC on 32-bit x86. Since BPF
only uses HAVE_ARCH_HUGE_VMALLOC for x86_64, turn it off for 32-bit x86.
Fixes: fac54e2bfb5b ("x86/Kconfig: Select HAVE_ARCH_HUGE_VMALLOC with HAVE_ARCH_HUGE_VMAP")
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220302175126.247459-2-song@kernel.org
- Fix ztailpacking z_idataoff getting trimmed on > 4GiB filesystems.
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Merge tag 'erofs-for-5.17-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fix from Gao Xiang:
"A one-line patch to fix the new ztailpacking feature on > 4GiB
filesystems because z_idataoff can get trimmed improperly.
ztailpacking is still a brand new EXPERIMENTAL feature, but it'd be
better to fix the issue as soon as possible to avoid unnecessary
backporting.
Summary:
- Fix ztailpacking z_idataoff getting trimmed on > 4GiB filesystems"
* tag 'erofs-for-5.17-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: fix ztailpacking on > 4GiB filesystems
mailing list
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Merge tag 'ntb-5.17-bugfixes' of git://github.com/jonmason/ntb
Pull NTB fixes from Jon Mason:
"Bug fixes for sparse warning, intel port config offset, and a new
mailing list"
* tag 'ntb-5.17-bugfixes' of git://github.com/jonmason/ntb:
MAINTAINERS: update mailing list address for NTB subsystem
ntb: intel: fix port config status offset for SPR
NTB/msi: Use struct_size() helper in devm_kzalloc()
In ("ptp: ocp: Have FPGA fold in ns adjustment for adjtime."), the
ns adjustment was written to the FPGA register, so the clock could
accurately perform adjustments.
However, the adjtime() call passes in a s64, while the clock adjustment
registers use a s32. When trying to perform adjustments with a large
value (37 sec), things fail.
Examine the incoming delta, and if larger than 1 sec, use the original
(coarse) adjustment method. If smaller than 1 sec, then allow the
FPGA to fold in the changes over a 1 second window.
Fixes: 6d59d4fa1789 ("ptp: ocp: Have FPGA fold in ns adjustment for adjtime.")
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://lore.kernel.org/r/20220228203957.367371-1-jonathan.lemon@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
