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sub-tree submissions this week. The mlx5 IRQ fixes are notable,
people were complaining about that. No fires burning.
Current release - regressions:
- eth: mlx5e:
- multiple fixes for dynamic IRQ allocation
- prevent encap offload when neigh update is running
- eth: mana: fix perf regression: remove rx_cqes, tx_cqes counters
Current release - new code bugs:
- eth: mlx5e: DR, add missing mutex init/destroy in pattern manager
Previous releases - always broken:
- tcp: deny tcp_disconnect() when threads are waiting
- sched: prevent ingress Qdiscs from getting installed in random
locations in the hierarchy and moving around
- sched: flower: fix possible OOB write in fl_set_geneve_opt()
- netlink: fix NETLINK_LIST_MEMBERSHIPS length report
- udp6: fix race condition in udp6_sendmsg & connect
- tcp: fix mishandling when the sack compression is deferred
- rtnetlink: validate link attributes set at creation time
- mptcp: fix connect timeout handling
- eth: stmmac: fix call trace when stmmac_xdp_xmit() is invoked
- eth: amd-xgbe: fix the false linkup in xgbe_phy_status
- eth: mlx5e:
- fix corner cases in internal buffer configuration
- drain health before unregistering devlink
- usb: qmi_wwan: set DTR quirk for BroadMobi BM818
Misc:
- tcp: return user_mss for TCP_MAXSEG in CLOSE/LISTEN state if user_mss set
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Happy Wear a Dress Day.
Fairly standard-sized batch of fixes, accounting for the lack of
sub-tree submissions this week. The mlx5 IRQ fixes are notable, people
were complaining about that. No fires burning.
Current release - regressions:
- eth: mlx5e:
- multiple fixes for dynamic IRQ allocation
- prevent encap offload when neigh update is running
- eth: mana: fix perf regression: remove rx_cqes, tx_cqes counters
Current release - new code bugs:
- eth: mlx5e: DR, add missing mutex init/destroy in pattern manager
Previous releases - always broken:
- tcp: deny tcp_disconnect() when threads are waiting
- sched: prevent ingress Qdiscs from getting installed in random
locations in the hierarchy and moving around
- sched: flower: fix possible OOB write in fl_set_geneve_opt()
- netlink: fix NETLINK_LIST_MEMBERSHIPS length report
- udp6: fix race condition in udp6_sendmsg & connect
- tcp: fix mishandling when the sack compression is deferred
- rtnetlink: validate link attributes set at creation time
- mptcp: fix connect timeout handling
- eth: stmmac: fix call trace when stmmac_xdp_xmit() is invoked
- eth: amd-xgbe: fix the false linkup in xgbe_phy_status
- eth: mlx5e:
- fix corner cases in internal buffer configuration
- drain health before unregistering devlink
- usb: qmi_wwan: set DTR quirk for BroadMobi BM818
Misc:
- tcp: return user_mss for TCP_MAXSEG in CLOSE/LISTEN state if
user_mss set"
* tag 'net-6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (71 commits)
mptcp: fix active subflow finalization
mptcp: add annotations around sk->sk_shutdown accesses
mptcp: fix data race around msk->first access
mptcp: consolidate passive msk socket initialization
mptcp: add annotations around msk->subflow accesses
mptcp: fix connect timeout handling
rtnetlink: add the missing IFLA_GRO_ tb check in validate_linkmsg
rtnetlink: move IFLA_GSO_ tb check to validate_linkmsg
rtnetlink: call validate_linkmsg in rtnl_create_link
ice: recycle/free all of the fragments from multi-buffer frame
net: phy: mxl-gpy: extend interrupt fix to all impacted variants
net: renesas: rswitch: Fix return value in error path of xmit
net: dsa: mv88e6xxx: Increase wait after reset deactivation
net: ipa: Use correct value for IPA_STATUS_SIZE
tcp: fix mishandling when the sack compression is deferred.
net/sched: flower: fix possible OOB write in fl_set_geneve_opt()
sfc: fix error unwinds in TC offload
net/mlx5: Read embedded cpu after init bit cleared
net/mlx5e: Fix error handling in mlx5e_refresh_tirs
net/mlx5: Ensure af_desc.mask is properly initialized
...
When switching from kthreads to vhost_tasks two bugs were added:
1. The vhost worker tasks's now show up as processes so scripts doing
ps or ps a would not incorrectly detect the vhost task as another
process. 2. kthreads disabled freeze by setting PF_NOFREEZE, but
vhost tasks's didn't disable or add support for them.
To fix both bugs, this switches the vhost task to be thread in the
process that does the VHOST_SET_OWNER ioctl, and has vhost_worker call
get_signal to support SIGKILL/SIGSTOP and freeze signals. Note that
SIGKILL/STOP support is required because CLONE_THREAD requires
CLONE_SIGHAND which requires those 2 signals to be supported.
This is a modified version of the patch written by Mike Christie
<michael.christie@oracle.com> which was a modified version of patch
originally written by Linus.
Much of what depended upon PF_IO_WORKER now depends on PF_USER_WORKER.
Including ignoring signals, setting up the register state, and having
get_signal return instead of calling do_group_exit.
Tidied up the vhost_task abstraction so that the definition of
vhost_task only needs to be visible inside of vhost_task.c. Making
it easier to review the code and tell what needs to be done where.
As part of this the main loop has been moved from vhost_worker into
vhost_task_fn. vhost_worker now returns true if work was done.
The main loop has been updated to call get_signal which handles
SIGSTOP, freezing, and collects the message that tells the thread to
exit as part of process exit. This collection clears
__fatal_signal_pending. This collection is not guaranteed to
clear signal_pending() so clear that explicitly so the schedule()
sleeps.
For now the vhost thread continues to exist and run work until the
last file descriptor is closed and the release function is called as
part of freeing struct file. To avoid hangs in the coredump
rendezvous and when killing threads in a multi-threaded exec. The
coredump code and de_thread have been modified to ignore vhost threads.
Remvoing the special case for exec appears to require teaching
vhost_dev_flush how to directly complete transactions in case
the vhost thread is no longer running.
Removing the special case for coredump rendezvous requires either the
above fix needed for exec or moving the coredump rendezvous into
get_signal.
Fixes: 6e890c5d5021 ("vhost: use vhost_tasks for worker threads")
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Co-developed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'mlx5-fixes-2023-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2023-05-31
This series provides bug fixes to mlx5 driver.
* tag 'mlx5-fixes-2023-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5: Read embedded cpu after init bit cleared
net/mlx5e: Fix error handling in mlx5e_refresh_tirs
net/mlx5: Ensure af_desc.mask is properly initialized
net/mlx5: Fix setting of irq->map.index for static IRQ case
net/mlx5: Remove rmap also in case dynamic MSIX not supported
====================
Link: https://lore.kernel.org/r/20230601031051.131529-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Mat Martineau says:
====================
mptcp: Fixes for connect timeout, access annotations, and subflow init
Patch 1 allows the SO_SNDTIMEO sockopt to correctly change the connect
timeout on MPTCP sockets.
Patches 2-5 add READ_ONCE()/WRITE_ONCE() annotations to fix KCSAN issues.
Patch 6 correctly initializes some subflow fields on outgoing connections.
====================
Link: https://lore.kernel.org/r/20230531-send-net-20230531-v1-0-47750c420571@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Active subflow are inserted into the connection list at creation time.
When the MPJ handshake completes successfully, a new subflow creation
netlink event is generated correctly, but the current code wrongly
avoid initializing a couple of subflow data.
The above will cause misbehavior on a few exceptional events: unneeded
mptcp-level retransmission on msk-level sequence wrap-around and infinite
mapping fallback even when a MPJ socket is present.
Address the issue factoring out the needed initialization in a new helper
and invoking the latter from __mptcp_finish_join() time for passive
subflow and from mptcp_finish_join() for active ones.
Fixes: 0530020a7c8f ("mptcp: track and update contiguous data status")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Christoph reported the mptcp variant of a recently addressed plain
TCP issue. Similar to commit e14cadfd80d7 ("tcp: add annotations around
sk->sk_shutdown accesses") add READ/WRITE ONCE annotations to silence
KCSAN reports around lockless sk_shutdown access.
Fixes: 71ba088ce0aa ("mptcp: cleanup accept and poll")
Reported-by: Christoph Paasch <cpaasch@apple.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/401
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The first subflow socket is accessed outside the msk socket lock
by mptcp_subflow_fail(), we need to annotate each write access
with WRITE_ONCE, but a few spots still lacks it.
Fixes: 76a13b315709 ("mptcp: invoke MP_FAIL response when needed")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When the msk socket is cloned at MPC handshake time, a few
fields are initialized in a racy way outside mptcp_sk_clone()
and the msk socket lock.
The above is due historical reasons: before commit a88d0092b24b
("mptcp: simplify subflow_syn_recv_sock()") as the first subflow socket
carrying all the needed date was not available yet at msk creation
time
We can now refactor the code moving the missing initialization bit
under the socket lock, removing the init race and avoiding some
code duplication.
This will also simplify the next patch, as all msk->first write
access are now under the msk socket lock.
Fixes: 0397c6d85f9c ("mptcp: keep unaccepted MPC subflow into join list")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The MPTCP can access the first subflow socket in a few spots
outside the socket lock scope. That is actually safe, as MPTCP
will delete the socket itself only after the msk sock close().
Still the such accesses causes a few KCSAN splats, as reported
by Christoph. Silence the harmless warning adding a few annotation
around the relevant accesses.
Fixes: 71ba088ce0aa ("mptcp: cleanup accept and poll")
Reported-by: Christoph Paasch <cpaasch@apple.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/402
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Ondrej reported a functional issue WRT timeout handling on connect
with a nice reproducer.
The problem is that the current mptcp connect waits for both the
MPTCP socket level timeout, and the first subflow socket timeout.
The latter is not influenced/touched by the exposed setsockopt().
Overall the above makes the SO_SNDTIMEO a no-op on connect.
Since mptcp_connect is invoked via inet_stream_connect and the
latter properly handle the MPTCP level timeout, we can address the
issue making the nested subflow level connect always unblocking.
This also allow simplifying a bit the code, dropping an ugly hack
to handle the fastopen and custom proto_ops connect.
The issues predates the blamed commit below, but the current resolution
requires the infrastructure introduced there.
Fixes: 54f1944ed6d2 ("mptcp: factor out mptcp_connect()")
Reported-by: Ondrej Mosnacek <omosnace@redhat.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/399
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Xin Long says:
====================
rtnetlink: a couple of fixes in linkmsg validation
validate_linkmsg() was introduced to do linkmsg validation for existing
links. However, the new created links also need this linkmsg validation.
Add validate_linkmsg() check for link creating in Patch 1, and add more
tb checks into validate_linkmsg() in Patch 2 and 3.
====================
Link: https://lore.kernel.org/r/cover.1685548598.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This fixes the issue that dev gro_max_size and gso_ipv4_max_size
can be set to a huge value:
# ip link add dummy1 type dummy
# ip link set dummy1 gro_max_size 4294967295
# ip -d link show dummy1
dummy addrgenmode eui64 ... gro_max_size 4294967295
Fixes: 0fe79f28bfaf ("net: allow gro_max_size to exceed 65536")
Fixes: 9eefedd58ae1 ("net: add gso_ipv4_max_size and gro_ipv4_max_size per device")
Reported-by: Xiumei Mu <xmu@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
These IFLA_GSO_* tb check should also be done for the new created link,
otherwise, they can be set to a huge value when creating links:
# ip link add dummy1 gso_max_size 4294967295 type dummy
# ip -d link show dummy1
dummy addrgenmode eui64 ... gso_max_size 4294967295
Fixes: 46e6b992c250 ("rtnetlink: allow GSO maximums to be set on device creation")
Fixes: 9eefedd58ae1 ("net: add gso_ipv4_max_size and gro_ipv4_max_size per device")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
validate_linkmsg() was introduced by commit 1840bb13c22f5b ("[RTNL]:
Validate hardware and broadcast address attribute for RTM_NEWLINK")
to validate tb[IFLA_ADDRESS/BROADCAST] for existing links. The same
check should also be done for newly created links.
This patch adds validate_linkmsg() call in rtnl_create_link(), to
avoid the invalid address set when creating some devices like:
# ip link add dummy0 type dummy
# ip link add link dummy0 name mac0 address 01:02 type macsec
Fixes: 0e06877c6fdb ("[RTNETLINK]: rtnl_link: allow specifying initial device address")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The interrupt fix in commit 97a89ed101bb should be applied on all variants
of GPY2xx PHY and GPY115C.
Fixes: 97a89ed101bb ("net: phy: mxl-gpy: disable interrupts on GPY215 by default")
Signed-off-by: Xu Liang <lxu@maxlinear.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230531074822.39136-1-lxu@maxlinear.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix return value in the error path of rswitch_start_xmit(). If TX
queues are full, this function should return NETDEV_TX_BUSY.
Fixes: 3590918b5d07 ("net: ethernet: renesas: Add support for "Ethernet Switch"")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20230529073817.1145208-1-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This pull request includes a single patch from the project for consecutive
effort of memory safety array. It brings no change to user space, thus it
is worth to apply it as a fix.
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Merge tag 'firewire-fixes-6.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Takashi Sakamoto:
"A single patch to use a flexible array rather than a zero-length one"
* tag 'firewire-fixes-6.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: Replace zero-length array with flexible-array member
A switch held in reset by default needs to wait longer until we can
reliably detect it.
An issue was observed when testing on the Marvell 88E6393X (Link Street).
The driver failed to detect the switch on some upstarts. Increasing the
wait time after reset deactivation solves this issue.
The updated wait time is now also the same as the wait time in the
mv88e6xxx_hardware_reset function.
Fixes: 7b75e49de424 ("net: dsa: mv88e6xxx: wait after reset deactivation")
Signed-off-by: Andreas Svensson <andreas.svensson@axis.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20230530145223.1223993-1-andreas.svensson@axis.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Zero-length and one-element arrays are deprecated, and we are moving
towards adopting C99 flexible-array members, instead.
Address the following warnings found with GCC-13 and
-fstrict-flex-arrays=3 enabled:
sound/firewire/amdtp-stream.c: In function ‘build_it_pkt_header’:
sound/firewire/amdtp-stream.c:694:17: warning: ‘generate_cip_header’ accessing 8 bytes in a region of size 0 [-Wstringop-overflow=]
694 | generate_cip_header(s, cip_header, data_block_counter, syt);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/firewire/amdtp-stream.c:694:17: note: referencing argument 2 of type ‘__be32[2]’ {aka ‘unsigned int[2]’}
sound/firewire/amdtp-stream.c:667:13: note: in a call to function ‘generate_cip_header’
667 | static void generate_cip_header(struct amdtp_stream *s, __be32 cip_header[2],
| ^~~~~~~~~~~~~~~~~~~
This helps with the ongoing efforts to tighten the FORTIFY_SOURCE
routines on memcpy() and help us make progress towards globally
enabling -fstrict-flex-arrays=3 [1].
Link: https://github.com/KSPP/linux/issues/21
Link: https://github.com/KSPP/linux/issues/303
Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1]
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/ZHT0V3SpvHyxCv5W@work
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
* Fix ata_find_dev() use of the device number to find a struct
ata_device for a port. This addresses issues with some passthrough
commands with libsas managed devices.
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Merge tag 'ata-6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata fix from Damien Le Moal:
- Fix ata_find_dev() use of the device number to find a struct
ata_device for a port. This addresses issues with some passthrough
commands with libsas managed devices.
* tag 'ata-6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: libata-scsi: Use correct device no in ata_find_dev()
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Merge tag '6.4-rc4-smb3-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
"Eight server fixes (most also for stable):
- Two fixes for uninitialized pointer reads (rename and link)
- Fix potential UAF in oplock break
- Two fixes for potential out of bound reads in negotiate
- Fix crediting bug
- Two fixes for xfstests (allocation size fix for test 694 and lookup
issue shown by test 464)"
* tag '6.4-rc4-smb3-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: call putname after using the last component
ksmbd: fix incorrect AllocationSize set in smb2_get_info
ksmbd: fix UAF issue from opinfo->conn
ksmbd: fix multiple out-of-bounds read during context decoding
ksmbd: fix slab-out-of-bounds read in smb2_handle_negotiate
ksmbd: fix credit count leakage
ksmbd: fix uninitialized pointer read in smb2_create_link()
ksmbd: fix uninitialized pointer read in ksmbd_vfs_rename()
David Howells says:
====================
splice, net: Handle MSG_SPLICE_PAGES in Chelsio-TLS
Here are patches to make Chelsio-TLS handle the MSG_SPLICE_PAGES internal
sendmsg flag. MSG_SPLICE_PAGES is an internal hint that tells the protocol
that it should splice the pages supplied if it can. Its sendpage
implementation is then turned into a wrapper around that.
====================
Link: https://lore.kernel.org/r/20230531110008.642903-1-dhowells@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Convert chtls_sendpage() to use sendmsg() with MSG_SPLICE_PAGES rather than
directly splicing in the pages itself.
This allows ->sendpage() to be replaced by something that can handle
multiple multipage folios in a single transaction.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Ayush Sawal <ayush.sawal@chelsio.com>
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: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
cc: netdev@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Make Chelsio's TLS offload sendmsg() support MSG_SPLICE_PAGES, splicing in
pages from the source iterator if possible and copying the data in
otherwise.
This allows ->sendpage() to be replaced by something that can handle
multiple multipage folios in a single transaction.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Ayush Sawal <ayush.sawal@chelsio.com>
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: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
cc: netdev@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
IPA_STATUS_SIZE was introduced in commit b8dc7d0eea5a as a replacement
for the size of the removed struct ipa_status which had size
sizeof(__le32[8]). Use this value as IPA_STATUS_SIZE.
Fixes: b8dc7d0eea5a ("net: ipa: stop using sizeof(status)")
Signed-off-by: Bert Karwatzki <spasswolf@web.de>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230531103618.102608-1-spasswolf@web.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
In this patch, we mainly try to handle sending a compressed ack
correctly if it's deferred.
Here are more details in the old logic:
When sack compression is triggered in the tcp_compressed_ack_kick(),
if the sock is owned by user, it will set TCP_DELACK_TIMER_DEFERRED
and then defer to the release cb phrase. Later once user releases
the sock, tcp_delack_timer_handler() should send a ack as expected,
which, however, cannot happen due to lack of ICSK_ACK_TIMER flag.
Therefore, the receiver would not sent an ack until the sender's
retransmission timeout. It definitely increases unnecessary latency.
Fixes: 5d9f4262b7ea ("tcp: add SACK compression")
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: fuyuanli <fuyuanli@didiglobal.com>
Signed-off-by: Jason Xing <kerneljasonxing@gmail.com>
Link: https://lore.kernel.org/netdev/20230529113804.GA20300@didi-ThinkCentre-M920t-N000/
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230531080150.GA20424@didi-ThinkCentre-M920t-N000
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
If we send two TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets and their total
size is 252 bytes(key->enc_opts.len = 252) then
key->enc_opts.len = opt->length = data_len / 4 = 0 when the third
TCA_FLOWER_KEY_ENC_OPTS_GENEVE packet enters fl_set_geneve_opt. This
bypasses the next bounds check and results in an out-of-bounds.
Fixes: 0a6e77784f49 ("net/sched: allow flower to match tunnel options")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Link: https://lore.kernel.org/r/20230531102805.27090-1-hbh25y@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Mengyuan Lou says:
====================
Wangxun netdev features support
Implement tx_csum and rx_csum to support hardware checksum offload.
Implement ndo_vlan_rx_add_vid and ndo_vlan_rx_kill_vid.
Implement ndo_set_features.
Enable macros in netdev features which wangxun can support.
====================
Link: https://lore.kernel.org/r/20230530022632.17938-1-mengyuanlou@net-swift.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add features and hw_features that ngbe can support.
Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add features and hw_features that ngbe can support.
Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Implement wx_set_features function which to support
ndo_set_features.
Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Implement vlan add/kill functions which add and remove
vlan id in hardware.
Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add rx offload functions for wx_clean_rx_irq
which supports ngbe and txgbe to implement
rx offload function.
Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add tx offload functions for wx_xmit_frame_ring which
includes wx_encode_tx_desc_ptype, wx_tso and wx_tx_csum.
which supports ngbe and txgbe to implement tx offload
function.
Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Devlink health is involved in error recovery. Machines in bad
state tend to be fairly unreliable, and occasionally get stuck
in error loops. Even with a reasonable grace period devlink health
may get a thousand reports in an hour.
In case of reporting on an unregistered devlink instance
the subsequent reports don't add much value. Switch to
WARN_ON_ONCE() to avoid flooding dmesg and fleet monitoring
dashboards.
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20230531015523.48961-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Harini Katakam says:
====================
Add support for VSC85xx DT RGMII delays
Provide an option to change RGMII delay value via devicetree.
====================
Link: https://lore.kernel.org/r/20230529122017.10620-1-harini.katakam@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for optional rx/tx-internal-delay-ps from devicetree.
- When rx/tx-internal-delay-ps is/are specified, these take priority
- When either is absent,
1) use 2ns for respective settings if rgmii-id/rxid/txid is/are present
2) use 0.2ns for respective settings if mode is rgmii
Signed-off-by: Harini Katakam <harini.katakam@amd.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
All the PHY devices variants specified have the same mask and
hence can be simplified to one vendor look up for 0x00070400.
Any individual config can be identified by PHY_ID_MATCH_EXACT
in the respective structure.
Signed-off-by: Harini Katakam <harini.katakam@amd.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Failure ladders weren't exactly unwinding what the function had done up
to that point; most seriously, when we encountered an already offloaded
rule, the failure path tried to remove the new rule from the hashtable,
which would in fact remove the already-present 'old' rule (since it has
the same key) from the table, and leak its resources.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202305200745.xmIlkqjH-lkp@intel.com/
Fixes: d902e1a737d4 ("sfc: bare bones TC offload on EF100")
Fixes: 17654d84b47c ("sfc: add offloading of 'foreign' TC (decap) rules")
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230530202527.53115-1-edward.cree@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If PREEMPT_RT is set, then assume that the user focuses on minimum
latency. Therefore don't set sw irq coalescing defaults.
This affects the defaults only, users can override these settings
via sysfs.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/f9439c7f-c92c-4c2c-703e-110f96d841b7@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
During driver load it reads embedded_cpu bit from initialization
segment, but the initialization segment is readable only after
initialization bit is cleared.
Move the call to mlx5_read_embedded_cpu() right after initialization bit
cleared.
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Fixes: 591905ba9679 ("net/mlx5: Introduce Mellanox SmartNIC and modify page management logic")
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Allocation failure is outside the critical lock section and should
return immediately rather than jumping to the unlock section.
Also unlock as soon as required and remove the now redundant jump label.
Fixes: 80a2a9026b24 ("net/mlx5e: Add a lock on tir list")
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
When dynamic IRQ allocation is not supported all IRQs are allocated up
front in mlx5_irq_table_create() instead of dynamically as part of
mlx5_irq_alloc(). In the latter dynamic case irq->map.index is set
via the mapping returned by pci_msix_alloc_irq_at(). In the static case
and prior to commit 1da438c0ae02 ("net/mlx5: Fix indexing of mlx5_irq")
irq->map.index was set in mlx5_irq_alloc() twice once initially to 0 and
then to the requested index before storing in the xarray. After this
commit it is only set to 0 which breaks all other IRQ mappings.
Fix this by setting irq->map.index to the requested index together with
irq->map.virq and improve the related comment to make it clearer which
cases it deals with.
Cc: Chuck Lever III <chuck.lever@oracle.com>
Tested-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Eli Cohen <elic@nvidia.com>
Fixes: 1da438c0ae02 ("net/mlx5: Fix indexing of mlx5_irq")
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
