Esben Haabendal says:
====================
net: stmmac: dwmac-imx: Time Based Scheduling support
This small patch series allows using TBS support of the i.MX Ethernet QOS
controller for etf qdisc offload.
It achieves this in a similar manner that it is done in dwmac-intel.c,
dwmac-mediatek.c and stmmac_pci.c.
Changes since v1:
- Simplified for loop by starting at index 1.
- Fixed problem with indentation.
====================
Link: https://lore.kernel.org/r/cover.1706256158.git.esben@geanix.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
TSO and TBS cannot coexist. For now we set i.MX Ethernet QOS controller to
use the first TX queue with TSO and the rest for TBS.
TX queues with TBS can support etf qdisc hw offload.
Signed-off-by: Esben Haabendal <esben@geanix.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
With the dma conf being reallocated on each call to stmmac_open(), any
information in there is lost, unless we specifically handle it.
The STMMAC_TBS_EN bit is set when adding an etf qdisc, and the etf qdisc
therefore would stop working when link was set down and then back up.
Fixes: ba39b344e9 ("net: ethernet: stmicro: stmmac: generate stmmac dma conf before open")
Cc: stable@vger.kernel.org
Signed-off-by: Esben Haabendal <esben@geanix.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
On a parisc64 kernel I sometimes notice this kernel warning:
Kernel unaligned access to 0x40ff8814 at ndisc_send_skb+0xc0/0x4d8
The address 0x40ff8814 points to the in6addr_linklocal_allrouters
variable and the warning simply means that some ipv6 function tries to
read a 64-bit word directly from the not-64-bit aligned
in6addr_linklocal_allrouters variable.
Unaligned accesses are non-critical as the architecture or exception
handlers usually will fix it up at runtime. Nevertheless it may trigger
a performance penality for some architectures. For details read the
"unaligned-memory-access" kernel documentation.
The patch below ensures that the ipv6 loopback and router addresses will
always be naturally aligned. This prevents the unaligned accesses for
all architectures.
Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: 034dfc5df9 ("ipv6: export in6addr_loopback to modules")
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/ZbNuFM1bFqoH-UoY@p100
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Modern OSes use iptables implementation with nf_tables as a backend,
e.g.:
$ iptables -V
iptables v1.8.8 (nf_tables)
Pablo points out that we need CONFIG_NFT_COMPAT to make that work,
otherwise we see a lot of:
Warning: Extension DNAT revision 0 not supported, missing kernel module?
with DNAT being just an example here, other modules we need
include udp, TTL, length etc.
Link: https://lore.kernel.org/r/20240126201308.2903602-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When working with GPIO, its direction must be set either when the GPIO is
requested by gpiod_get*() or later on by one of the gpiod_direction_*()
functions. Neither of this is done here which results in undefined
behavior on some systems.
As the reset GPIO is used right after it is requested here, it makes sense
to configure it as GPIOD_OUT_HIGH right away. With that, the following
gpiod_set_value_cansleep(1) becomes redundant and can be safely
removed.
Fixes: a653f2f538 ("net: dsa: qca8k: introduce reset via gpio feature")
Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/1706266175-3408-1-git-send-email-michal.vokac@ysoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
TCP rx zerocopy intent is to map pages initially allocated
from NIC drivers, not pages owned by a fs.
This patch adds to can_map_frag() these additional checks:
- Page must not be a compound one.
- page->mapping must be NULL.
This fixes the panic reported by ZhangPeng.
syzbot was able to loopback packets built with sendfile(),
mapping pages owned by an ext4 file to TCP rx zerocopy.
r3 = socket$inet_tcp(0x2, 0x1, 0x0)
mmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0x12, r3, 0x0)
r4 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r4, &(0x7f0000000000)={0x2, 0x4e24, @multicast1}, 0x10)
connect$inet(r4, &(0x7f00000006c0)={0x2, 0x4e24, @empty}, 0x10)
r5 = openat$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00',
0x181e42, 0x0)
fallocate(r5, 0x0, 0x0, 0x85b8)
sendfile(r4, r5, 0x0, 0x8ba0)
getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r4, 0x6, 0x23,
&(0x7f00000001c0)={&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0}, &(0x7f0000000440)=0x40)
r6 = openat$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00',
0x181e42, 0x0)
Fixes: 93ab6cc691 ("tcp: implement mmap() for zero copy receive")
Link: https://lore.kernel.org/netdev/5106a58e-04da-372a-b836-9d3d0bd2507b@huawei.com/T/
Reported-and-bisected-by: ZhangPeng <zhangpeng362@huawei.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Arjun Roy <arjunroy@google.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: linux-mm@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
rx_data_reassembly skb is stored during NCI data exchange for processing
fragmented packets. It is dropped only when the last fragment is processed
or when an NTF packet with NCI_OP_RF_DEACTIVATE_NTF opcode is received.
However, the NCI device may be deallocated before that which leads to skb
leak.
As by design the rx_data_reassembly skb is bound to the NCI device and
nothing prevents the device to be freed before the skb is processed in
some way and cleaned, free it on the NCI device cleanup.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Fixes: 6a2968aaf5 ("NFC: basic NCI protocol implementation")
Cc: stable@vger.kernel.org
Reported-by: syzbot+6b7c68d9c21e4ee4251b@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/lkml/000000000000f43987060043da7b@google.com/
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
Syzkaller reported [1] hitting a warning after failing to allocate
resources for skb in hsr_init_skb(). Since a WARN_ONCE() call will
not help much in this case, it might be prudent to switch to
netdev_warn_once(). At the very least it will suppress syzkaller
reports such as [1].
Just in case, use netdev_warn_once() in send_prp_supervision_frame()
for similar reasons.
[1]
HSR: Could not send supervision frame
WARNING: CPU: 1 PID: 85 at net/hsr/hsr_device.c:294 send_hsr_supervision_frame+0x60a/0x810 net/hsr/hsr_device.c:294
RIP: 0010:send_hsr_supervision_frame+0x60a/0x810 net/hsr/hsr_device.c:294
...
Call Trace:
<IRQ>
hsr_announce+0x114/0x370 net/hsr/hsr_device.c:382
call_timer_fn+0x193/0x590 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x764/0xb20 kernel/time/timer.c:2022
run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
__do_softirq+0x21a/0x8de kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
...
This issue is also found in older kernels (at least up to 5.10).
Cc: stable@vger.kernel.org
Reported-by: syzbot+3ae0a3f42c84074b7c8e@syzkaller.appspotmail.com
Fixes: 121c33b07b ("net: hsr: introduce common code for skb initialization")
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case the interface between the MAC and the PHY is SGMII, then the bit
GIGA_MODE on the MAC side needs to be set regardless of the speed at
which it is running.
Fixes: d28d6d2e37 ("net: lan966x: add port module support")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 46cf789b68 ("connector: Move maintainence under networking
drivers umbrella.") moved the connector maintenance but did not include
the connector header files.
It seems that it has always been implied that these headers were
maintained along with the rest of the connector code, both before and
after the cited commit. Make this explicit.
Signed-off-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Setup PMCR port register for actual speed and duplex on internally
connected PHYs of the MT7988 built-in switch. This fixes links with
speeds other than 1000M.
Fixes: 110c18bfed ("net: dsa: mt7530: introduce driver for MT7988 built-in switch")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/a5b04dfa8256d8302f402545a51ac4c626fdba25.1706071272.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The gro.sh test-case relay on the gro_flush_timeout to ensure
that all the segments belonging to any given batch are properly
aggregated.
The other end, the sender is a user-space program transmitting
each packet with a separate write syscall. A busy host and/or
stracing the sender program can make the relevant segments reach
the GRO engine after the flush timeout triggers.
Give the GRO flush timeout more slack, to avoid sporadic self-tests
failures.
Fixes: 9af771d2ec ("selftests/net: allow GRO coalesce test on veth")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Tested-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/bffec2beab3a5672dd13ecabe4fad81d2155b367.1706206101.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
the udpgro_fraglist self-test uses the BPF classifiers, but the
current net self-test configuration does not include it, causing
CI failures:
# selftests: net: udpgro_frglist.sh
# ipv6
# tcp - over veth touching data
# -l 4 -6 -D 2001:db8::1 -t rx -4 -t
# Error: TC classifier not found.
# We have an error talking to the kernel
# Error: TC classifier not found.
# We have an error talking to the kernel
Add the missing knob.
Fixes: edae34a3ed ("selftests net: add UDP GRO fraglist + bpf self-tests")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Maciej Żenczykowski <maze@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/7c3643763b331e9a400e1874fe089193c99a1c3f.1706170897.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
commit 056bce63c4 ("bnxt_en: Make PTP TX timestamp HWRM query silent")
changed a netdev_err() to netdev_WARN_ONCE().
netdev_WARN_ONCE() is it generates a kernel WARNING, which is bad, for
the following reasons:
* You do not a kernel warning if the firmware queries are late
* In busy networks, timestamp query failures fairly regularly
* A WARNING message doesn't bring much value, since the code path
is clear.
(This was discussed in-depth in [1])
Transform the netdev_WARN_ONCE() into a netdev_warn_once(), and print a
more well-behaved message, instead of a full WARN().
bnxt_en 0000:67:00.0 eth0: TS query for TX timer failed rc = fffffff5
[1] Link: https://lore.kernel.org/all/ZbDj%2FFI4EJezcfd1@gmail.com/
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Fixes: 056bce63c4 ("bnxt_en: Make PTP TX timestamp HWRM query silent")
Link: https://lore.kernel.org/r/20240125134104.2045573-1-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The logic to determine if SMC-D link group matches is incorrect. The
correct logic should be that it only returns true when the GID is the
same, and the SMC-D device is the same and the extended GID is the same
(in the case of virtual ISM).
It can be fixed by adding brackets around the conditional (or ternary)
operator expression. But for better readability and maintainability, it
has been changed to an if-else statement.
Reported-by: Matthew Rosato <mjrosato@linux.ibm.com>
Closes: https://lore.kernel.org/r/13579588-eb9d-4626-a063-c0b77ed80f11@linux.ibm.com
Fixes: b40584d145 ("net/smc: compatible with 128-bits extended GID of virtual ISM device")
Link: https://lore.kernel.org/r/13579588-eb9d-4626-a063-c0b77ed80f11@linux.ibm.com
Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Link: https://lore.kernel.org/r/20240125123916.77928-1-guwen@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The big_tcp test-case requires a few kernel knobs currently
not specified in the net selftests config, causing the
following failure:
# selftests: net: big_tcp.sh
# Error: Failed to load TC action module.
# We have an error talking to the kernel
...
# Testing for BIG TCP:
# CLI GSO | GW GRO | GW GSO | SER GRO
# ./big_tcp.sh: line 107: test: !=: unary operator expected
...
# on on on on : [FAIL_on_link1]
Add the missing configs
Fixes: 6bb382bcf7 ("selftests: add a selftest for big tcp")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Acked-by: Xin Long <lucien.xin@gmail.com>
Link: https://lore.kernel.org/all/21630ecea872fea13f071342ac64ef52a991a9b5.1706282943.git.pabeni@redhat.com/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Sync initialization and calibration routines with MediaTek's reference
driver. Improves compliance and resolves link stability issues with
CH340 IoT devices connected to MT798x built-in PHYs.
Fixes: 98c485eaf5 ("net: phy: add driver for MediaTek SoC built-in GE PHYs")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/f2195279c234c0f618946424b8236026126bc595.1706071311.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Set DMA coherent mask to 32-bit which makes PPE offloading engine start
working on BPi-R4 which got 4 GiB of RAM.
Fixes: 2d75891ebc ("net: ethernet: mtk_eth_soc: support 36-bit DMA addressing on MT7988")
Suggested-by: Elad Yifee <eladwf@users.github.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/97e90925368b405f0974b9b15f1b7377c4a329ad.1706113251.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Louis Peens says:
====================
nfp: flower: a few small conntrack offload fixes
This small series addresses two bugs in the nfp conntrack offloading
code.
The first patch is a check to prevent offloading for a case which is
currently not supported by the nfp.
The second patch fixes up parsing of layer4 mangling code so it can be
correctly offloaded. Since the masks are an inverse mask and we are
shifting it so it can be packed together with the destination we
effectively need to 'clear' the lower bits of the mask by setting it to
0xFFFF.
====================
Link: https://lore.kernel.org/r/20240124151909.31603-1-louis.peens@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The nfp driver will merge the tp source port and tp destination port
into one dword which the offset must be zero to do hardware offload.
However, the mangle action for the tp source port and tp destination
port is separated for tc ct action. Modify the mangle action for the
FLOW_ACT_MANGLE_HDR_TYPE_TCP and FLOW_ACT_MANGLE_HDR_TYPE_UDP to
satisfy the nfp driver offload check for the tp port.
The mangle action provides a 4B value for source, and a 4B value for
the destination, but only 2B of each contains the useful information.
For offload the 2B of each is combined into a single 4B word. Since the
incoming mask for the source is '0xFFFF<mask>' the shift-left will
throw away the 0xFFFF part. When this gets combined together in the
offload it will clear the destination field. Fix this by setting the
lower bits back to 0xFFFF, effectively doing a rotate-left operation on
the mask.
Fixes: 5cee92c6f5 ("nfp: flower: support hw offload for ct nat action")
CC: stable@vger.kernel.org # 6.1+
Signed-off-by: Hui Zhou <hui.zhou@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Link: https://lore.kernel.org/r/20240124151909.31603-3-louis.peens@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The nfp offload flow pay will not allocate a mask id when the out port
is openvswitch internal port. This is because these flows are used to
configure the pre_tun table and are never actually send to the firmware
as an add-flow message. When a tc rule which action contains ct and
the post ct entry's out port is openvswitch internal port, the merge
offload flow pay with the wrong mask id of 0 will be send to the
firmware. Actually, the nfp can not support hardware offload for this
situation, so return EOPNOTSUPP.
Fixes: bd0fe7f96a ("nfp: flower-ct: add zone table entry when handling pre/post_ct flows")
CC: stable@vger.kernel.org # 5.14+
Signed-off-by: Hui Zhou <hui.zhou@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Link: https://lore.kernel.org/r/20240124151909.31603-2-louis.peens@corigine.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For a skb frag with a newly allocated copy page, the true size is
incorrectly set to packet buffer size. It should be set to PAGE_SIZE
instead.
Fixes: 82fd151d38 ("gve: Reduce alloc and copy costs in the GQ rx path")
Signed-off-by: Praveen Kaligineedi <pkaligineedi@google.com>
Link: https://lore.kernel.org/r/20240124161025.1819836-1-pkaligineedi@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The busywait timeout value is a millisecond, not a second. So the
current setting 2 is too small. On slow/busy host (or VMs) the
current timeout can expire even on "correct" execution, causing random
failures. Let's copy the WAIT_TIMEOUT from forwarding/lib.sh and set
BUSYWAIT_TIMEOUT here.
Fixes: 25ae948b44 ("selftests/net: add lib.sh")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240124061344.1864484-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The default timeout for tests is 45sec, bench-lookups_ipv6
seems to take around 50sec when running in a VM without
HW acceleration. Give it a 2x margin and set the timeout
to 120sec.
Fixes: d1066c9c58 ("selftests/net: Add test/benchmark for removing MKTs")
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://lore.kernel.org/r/20240124233630.1977708-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Paolo Abeni says:
====================
selftests: net: a few fixes
This series address self-tests failures for udp gro-related tests.
The first patch addresses the main problem I observe locally - the XDP
program required by such tests, xdp_dummy, is currently build in the
ebpf self-tests directory, not available if/when the user targets net
only. Arguably is more a refactor than a fix, but still targeting net
to hopefully
The second patch fixes the integration of such tests with the build
system.
Patch 3/3 fixes sporadic failures due to races.
Tested with:
make -C tools/testing/selftests/ TARGETS=net install
./tools/testing/selftests/kselftest_install/run_kselftest.sh \
-t "net:udpgro_bench.sh net:udpgro.sh net:udpgro_fwd.sh \
net:udpgro_frglist.sh net:veth.sh"
no failures.
====================
Link: https://lore.kernel.org/r/cover.1706131762.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The UDP GRO forwarding test still hard-code an arbitrary pause
to wait for the UDP listener becoming ready in background.
That causes sporadic failures depending on the host load.
Replace the sleep with the existing helper waiting for the desired
port being exposed.
Fixes: a062260a9d ("selftests: net: add UDP GRO forwarding self-tests")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/4d58900fb09cef42749cfcf2ad7f4b91a97d225c.1706131762.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The blamed commit below introduce a dependency in some net self-tests
towards a newly introduce helper script.
Such script is currently not included into the TEST_PROGS_EXTENDED list
and thus is not installed, causing failure for the relevant tests when
executed from the install dir.
Fix the issue updating the install targets.
Fixes: 3bdd9fd29c ("selftests/net: synchronize udpgro tests' tx and rx connection")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/076e8758e21ff2061cc9f81640e7858df775f0a9.1706131762.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Several net tests requires an XDP program build under the ebpf
directory, and error out if such program is not available.
That makes running successful net test hard, let's duplicate into the
net dir the [very small] program, re-using the existing rules to build
it, and finally dropping the bogus dependency.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/28e7af7c031557f691dc8045ee41dd549dd5e74c.1706131762.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Still a bit unclear whether each directory should have its own
config file, but assuming they should lets add one for tcp_ao.
The following tests still fail with this config in place:
- rst_ipv4,
- rst_ipv6,
- bench-lookups_ipv6.
other 21 pass.
Fixes: d11301f659 ("selftests/net: Add TCP-AO ICMPs accept test")
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://lore.kernel.org/r/20240124192550.1865743-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- bpf: fix a kernel crash for the riscv 64 JIT
- bnxt_en: fix memory leak in bnxt_hwrm_get_rings()
- revert "net: macsec: use skb_ensure_writable_head_tail to expand the skb"
Previous releases - regressions:
- core: fix removing a namespace with conflicting altnames
- tc/flower: fix chain template offload memory leak
- tcp:
- make sure init the accept_queue's spinlocks once
- fix autocork on CPUs with weak memory model
- udp: fix busy polling
- mlx5e:
- fix out-of-bound read in port timestamping
- fix peer flow lists corruption
- iwlwifi: fix a memory corruption
Previous releases - always broken:
- netfilter:
- nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain
- nft_limit: reject configurations that cause integer overflow
- bpf: fix bpf_xdp_adjust_tail() with XSK zero-copy mbuf, avoiding
a NULL pointer dereference upon shrinking
- llc: make llc_ui_sendmsg() more robust against bonding changes
- smc: fix illegal rmb_desc access in SMC-D connection dump
- dpll: fix pin dump crash for rebound module
- bnxt_en: fix possible crash after creating sw mqprio TCs
- hv_netvsc: calculate correct ring size when PAGE_SIZE is not 4 Kbytes
Misc:
- several self-tests fixes for better integration with the netdev CI
- added several missing modules descriptions
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bpf, netfilter and WiFi.
Jakub is doing a lot of work to include the self-tests in our CI, as a
result a significant amount of self-tests related fixes is flowing in
(and will likely continue in the next few weeks).
Current release - regressions:
- bpf: fix a kernel crash for the riscv 64 JIT
- bnxt_en: fix memory leak in bnxt_hwrm_get_rings()
- revert "net: macsec: use skb_ensure_writable_head_tail to expand
the skb"
Previous releases - regressions:
- core: fix removing a namespace with conflicting altnames
- tc/flower: fix chain template offload memory leak
- tcp:
- make sure init the accept_queue's spinlocks once
- fix autocork on CPUs with weak memory model
- udp: fix busy polling
- mlx5e:
- fix out-of-bound read in port timestamping
- fix peer flow lists corruption
- iwlwifi: fix a memory corruption
Previous releases - always broken:
- netfilter:
- nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress
basechain
- nft_limit: reject configurations that cause integer overflow
- bpf: fix bpf_xdp_adjust_tail() with XSK zero-copy mbuf, avoiding a
NULL pointer dereference upon shrinking
- llc: make llc_ui_sendmsg() more robust against bonding changes
- smc: fix illegal rmb_desc access in SMC-D connection dump
- dpll: fix pin dump crash for rebound module
- bnxt_en: fix possible crash after creating sw mqprio TCs
- hv_netvsc: calculate correct ring size when PAGE_SIZE is not 4kB
Misc:
- several self-tests fixes for better integration with the netdev CI
- added several missing modules descriptions"
* tag 'net-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
tsnep: Fix XDP_RING_NEED_WAKEUP for empty fill ring
tsnep: Remove FCS for XDP data path
net: fec: fix the unhandled context fault from smmu
selftests: bonding: do not test arp/ns target with mode balance-alb/tlb
fjes: fix memleaks in fjes_hw_setup
i40e: update xdp_rxq_info::frag_size for ZC enabled Rx queue
i40e: set xdp_rxq_info::frag_size
xdp: reflect tail increase for MEM_TYPE_XSK_BUFF_POOL
ice: update xdp_rxq_info::frag_size for ZC enabled Rx queue
intel: xsk: initialize skb_frag_t::bv_offset in ZC drivers
ice: remove redundant xdp_rxq_info registration
i40e: handle multi-buffer packets that are shrunk by xdp prog
ice: work on pre-XDP prog frag count
xsk: fix usage of multi-buffer BPF helpers for ZC XDP
xsk: make xsk_buff_pool responsible for clearing xdp_buff::flags
xsk: recycle buffer in case Rx queue was full
net: fill in MODULE_DESCRIPTION()s for rvu_mbox
net: fill in MODULE_DESCRIPTION()s for litex
net: fill in MODULE_DESCRIPTION()s for fsl_pq_mdio
net: fill in MODULE_DESCRIPTION()s for fec
...
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Merge tag 'ovl-fixes-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs
Pull overlayfs fix from Amir Goldstein:
"Change the on-disk format for the new "xwhiteouts" feature introduced
in v6.7
The change reduces unneeded overhead of an extra getxattr per readdir.
The only user of the "xwhiteout" feature is the external composefs
tool, which has been updated to support the new on-disk format.
This change is also designated for 6.7.y"
* tag 'ovl-fixes-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
ovl: mark xwhiteouts directory with overlay.opaque='x'
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Merge tag 'vfs-6.8-rc2.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull netfs fixes from Christian Brauner:
"This contains various fixes for the netfs work merged earlier this
cycle:
afs:
- Fix locking imbalance in afs_proc_addr_prefs_show()
- Remove afs_dynroot_d_revalidate() which is redundant
- Fix error handling during lookup
- Hide sillyrenames from userspace. This fixes a race between
silly-rename files being created/removed and userspace iterating
over directory entries
- Don't use unnecessary folio_*() functions
cifs:
- Don't use unnecessary folio_*() functions
cachefiles:
- erofs: Fix Null dereference when cachefiles are not doing
ondemand-mode
- Update mailing list
netfs library:
- Add Jeff Layton as reviewer
- Update mailing list
- Fix a error checking in netfs_perform_write()
- fscache: Check error before dereferencing
- Don't use unnecessary folio_*() functions"
* tag 'vfs-6.8-rc2.netfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
afs: Fix missing/incorrect unlocking of RCU read lock
afs: Remove afs_dynroot_d_revalidate() as it is redundant
afs: Fix error handling with lookup via FS.InlineBulkStatus
afs: Hide silly-rename files from userspace
cachefiles, erofs: Fix NULL deref in when cachefiles is not doing ondemand-mode
netfs: Fix a NULL vs IS_ERR() check in netfs_perform_write()
netfs, fscache: Prevent Oops in fscache_put_cache()
cifs: Don't use certain unnecessary folio_*() functions
afs: Don't use certain unnecessary folio_*() functions
netfs: Don't use certain unnecessary folio_*() functions
netfs: Add Jeff Layton as reviewer
netfs, cachefiles: Change mailing list
This commit fixes RCU grace period stalls, which are observed when
an outgoing CPU's quiescent state reporting results in wakeup of
one of the grace period kthreads, to complete the grace period. If
those kthreads have SCHED_FIFO policy, the wake up can indirectly
arm the RT bandwith timer to the local offline CPU. Earlier migration
of the hrtimers from the CPU introduced in commit 5c0930ccaa
("hrtimers: Push pending hrtimers away from outgoing CPU earlier")
results in this timer getting ignored. If the RCU grace period
kthreads are waiting for RT bandwidth to be available, they may
never be actually scheduled, resulting in RCU stall warnings.
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Merge tag 'urgent-rcu.2024.01.24a' of https://github.com/neeraju/linux
Pull RCU fix from Neeraj Upadhyay:
"This fixes RCU grace period stalls, which are observed when an
outgoing CPU's quiescent state reporting results in wakeup of one of
the grace period kthreads, to complete the grace period.
If those kthreads have SCHED_FIFO policy, the wake up can indirectly
arm the RT bandwith timer to the local offline CPU.
Earlier migration of the hrtimers from the CPU introduced in commit
5c0930ccaa ("hrtimers: Push pending hrtimers away from outgoing CPU
earlier") results in this timer getting ignored.
If the RCU grace period kthreads are waiting for RT bandwidth to be
available, they may never be actually scheduled, resulting in RCU
stall warnings"
* tag 'urgent-rcu.2024.01.24a' of https://github.com/neeraju/linux:
rcu: Defer RCU kthreads wakeup when CPU is dying
The fill ring of the XDP socket may contain not enough buffers to
completey fill the RX queue during socket creation. In this case the
flag XDP_RING_NEED_WAKEUP is not set as this flag is only set if the RX
queue is not completely filled during polling.
Set XDP_RING_NEED_WAKEUP flag also if RX queue is not completely filled
during XDP socket creation.
Fixes: 3fc2333933 ("tsnep: Add XDP socket zero-copy RX support")
Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The RX data buffer includes the FCS. The FCS is already stripped for the
normal data path. But for the XDP data path the FCS is included and
acts like additional/useless data.
Remove the FCS from the RX data buffer also for XDP.
Fixes: 65b28c8100 ("tsnep: Add XDP RX support")
Fixes: 3fc2333933 ("tsnep: Add XDP socket zero-copy RX support")
Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'mlx5-fixes-2024-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2024-01-24
This series provides bug fixes to mlx5 driver.
Please pull and let me know if there is any problem.
* tag 'mlx5-fixes-2024-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5e: fix a potential double-free in fs_any_create_groups
net/mlx5e: fix a double-free in arfs_create_groups
net/mlx5e: Ignore IPsec replay window values on sender side
net/mlx5e: Allow software parsing when IPsec crypto is enabled
net/mlx5: Use mlx5 device constant for selecting CQ period mode for ASO
net/mlx5: DR, Can't go to uplink vport on RX rule
net/mlx5: DR, Use the right GVMI number for drop action
net/mlx5: Bridge, fix multicast packets sent to uplink
net/mlx5: Fix a WARN upon a callback command failure
net/mlx5e: Fix peer flow lists handling
net/mlx5e: Fix inconsistent hairpin RQT sizes
net/mlx5e: Fix operation precedence bug in port timestamping napi_poll context
net/mlx5: Fix query of sd_group field
net/mlx5e: Use the correct lag ports number when creating TISes
====================
Link: https://lore.kernel.org/r/20240124081855.115410-1-saeed@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2024-01-25
The following pull-request contains BPF updates for your *net* tree.
We've added 12 non-merge commits during the last 2 day(s) which contain
a total of 13 files changed, 190 insertions(+), 91 deletions(-).
The main changes are:
1) Fix bpf_xdp_adjust_tail() in context of XSK zero-copy drivers which
support XDP multi-buffer. The former triggered a NULL pointer
dereference upon shrinking, from Maciej Fijalkowski & Tirthendu Sarkar.
2) Fix a bug in riscv64 BPF JIT which emitted a wrong prologue and
epilogue for struct_ops programs, from Pu Lehui.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
i40e: update xdp_rxq_info::frag_size for ZC enabled Rx queue
i40e: set xdp_rxq_info::frag_size
xdp: reflect tail increase for MEM_TYPE_XSK_BUFF_POOL
ice: update xdp_rxq_info::frag_size for ZC enabled Rx queue
intel: xsk: initialize skb_frag_t::bv_offset in ZC drivers
ice: remove redundant xdp_rxq_info registration
i40e: handle multi-buffer packets that are shrunk by xdp prog
ice: work on pre-XDP prog frag count
xsk: fix usage of multi-buffer BPF helpers for ZC XDP
xsk: make xsk_buff_pool responsible for clearing xdp_buff::flags
xsk: recycle buffer in case Rx queue was full
riscv, bpf: Fix unpredictable kernel crash about RV64 struct_ops
====================
Link: https://lore.kernel.org/r/20240125084416.10876-1-daniel@iogearbox.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When repeatedly changing the interface link speed using the command below:
ethtool -s eth0 speed 100 duplex full
ethtool -s eth0 speed 1000 duplex full
The following errors may sometimes be reported by the ARM SMMU driver:
[ 5395.035364] fec 5b040000.ethernet eth0: Link is Down
[ 5395.039255] arm-smmu 51400000.iommu: Unhandled context fault:
fsr=0x402, iova=0x00000000, fsynr=0x100001, cbfrsynra=0x852, cb=2
[ 5398.108460] fec 5b040000.ethernet eth0: Link is Up - 100Mbps/Full -
flow control off
It is identified that the FEC driver does not properly stop the TX queue
during the link speed transitions, and this results in the invalid virtual
I/O address translations from the SMMU and causes the context faults.
Fixes: dbc64a8ea2 ("net: fec: move calls to quiesce/resume packet processing out of fec_restart()")
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Link: https://lore.kernel.org/r/20240123165141.2008104-1-shenwei.wang@nxp.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The prio_arp/ns tests hard code the mode to active-backup. At the same
time, The balance-alb/tlb modes do not support arp/ns target. So remove
the prio_arp/ns tests from the loop and only test active-backup mode.
Fixes: 481b56e039 ("selftests: bonding: re-format bond option tests")
Reported-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Closes: https://lore.kernel.org/netdev/17415.1705965957@famine/
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Link: https://lore.kernel.org/r/20240123075917.1576360-1-liuhangbin@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'nf-24-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Update nf_tables kdoc to keep it in sync with the code, from George Guo.
2) Handle NETDEV_UNREGISTER event for inet/ingress basechain.
3) Reject configuration that cause nft_limit to overflow,
from Florian Westphal.
4) Restrict anonymous set/map names to 16 bytes, from Florian Westphal.
5) Disallow to encode queue number and error in verdicts. This reverts
a patch which seems to have introduced an early attempt to support for
nfqueue maps, which is these days supported via nft_queue expression.
6) Sanitize family via .validate for expressions that explicitly refer
to NF_INET_* hooks.
* tag 'nf-24-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: validate NFPROTO_* family
netfilter: nf_tables: reject QUEUE/DROP verdict parameters
netfilter: nf_tables: restrict anonymous set and map names to 16 bytes
netfilter: nft_limit: reject configurations that cause integer overflow
netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain
netfilter: nf_tables: cleanup documentation
====================
Link: https://lore.kernel.org/r/20240124191248.75463-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In fjes_hw_setup, it allocates several memory and delay the deallocation
to the fjes_hw_exit in fjes_probe through the following call chain:
fjes_probe
|-> fjes_hw_init
|-> fjes_hw_setup
|-> fjes_hw_exit
However, when fjes_hw_setup fails, fjes_hw_exit won't be called and thus
all the resources allocated in fjes_hw_setup will be leaked. In this
patch, we free those resources in fjes_hw_setup and prevents such leaks.
Fixes: 2fcbca6877 ("fjes: platform_driver's .probe and .remove routine")
Signed-off-by: Zhipeng Lu <alexious@zju.edu.cn>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240122172445.3841883-1-alexious@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mappings are involved and a deprecated API cleanup.
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Merge tag 'ceph-for-6.8-rc2' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A fix to avoid triggering an assert in some cases where RBD exclusive
mappings are involved and a deprecated API cleanup"
* tag 'ceph-for-6.8-rc2' of https://github.com/ceph/ceph-client:
rbd: don't move requests to the running list on errors
rbd: remove usage of the deprecated ida_simple_*() API
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Merge tag 'integrity-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity fix from Mimi Zohar:
"Revert patch that required user-provided key data, since keys can be
created from kernel-generated random numbers"
* tag 'integrity-v6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
Revert "KEYS: encrypted: Add check for strsep"
Maciej Fijalkowski says:
====================
net: bpf_xdp_adjust_tail() and Intel mbuf fixes
Hey,
after a break followed by dealing with sickness, here is a v6 that makes
bpf_xdp_adjust_tail() actually usable for ZC drivers that support XDP
multi-buffer. Since v4 I tried also using bpf_xdp_adjust_tail() with
positive offset which exposed yet another issues, which can be observed
by increased commit count when compared to v3.
John, in the end I think we should remove handling
MEM_TYPE_XSK_BUFF_POOL from __xdp_return(), but it is out of the scope
for fixes set, IMHO.
Thanks,
Maciej
v6:
- add acks [Magnus]
- fix spelling mistakes [Magnus]
- avoid touching xdp_buff in xp_alloc_{reused,new_from_fq}() [Magnus]
- s/shrink_data/bpf_xdp_shrink_data [Jakub]
- remove __shrink_data() [Jakub]
- check retvals from __xdp_rxq_info_reg() [Magnus]
v5:
- pick correct version of patch 5 [Simon]
- elaborate a bit more on what patch 2 fixes
v4:
- do not clear frags flag when deleting tail; xsk_buff_pool now does
that
- skip some NULL tests for xsk_buff_get_tail [Martin, John]
- address problems around registering xdp_rxq_info
- fix bpf_xdp_frags_increase_tail() for ZC mbuf
v3:
- add acks
- s/xsk_buff_tail_del/xsk_buff_del_tail
- address i40e as well (thanks Tirthendu)
v2:
- fix !CONFIG_XDP_SOCKETS builds
- add reviewed-by tag to patch 3
====================
Link: https://lore.kernel.org/r/20240124191602.566724-1-maciej.fijalkowski@intel.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Eric Dumazet