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We make sure tcpi_rcv_mss and tp->scaling_ratio
are correctly updated if no in-order packet has been received yet.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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tcp_measure_rcv_mss() is used to update icsk->icsk_ack.rcv_mss
(tcpi_rcv_mss in tcp_info) and tp->scaling_ratio.
Calling it from tcp_data_queue_ofo() makes sure these
fields are updated, and permits a better tuning
of sk->sk_rcvbuf, in the case a new flow receives many ooo
packets.
Fixes: dfa2f0483360 ("tcp: get rid of sysctl_tcp_adv_win_scale")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This test checks TCP behavior when receiving a packet beyond the window.
It checks the new TcpExtBeyondWindow SNMP counter.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a new SNMP MIB : LINUX_MIB_BEYOND_WINDOW
Incremented when an incoming packet is received beyond the
receiver window.
nstat -az | grep TcpExtBeyondWindow
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, TCP accepts incoming packets which might go beyond the
offered RWIN.
Add to tcp_sequence() the validation of packet end sequence.
Add the corresponding check in the fast path.
We relax this new constraint if the receive queue is empty,
to not freeze flows from buggy peers.
Add a new drop reason : SKB_DROP_REASON_TCP_INVALID_END_SEQUENCE.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250711114006.480026-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Two more drivers got added that use LIBWX and cause a build warning
WARNING: unmet direct dependencies detected for LIBWX
Depends on [m]: NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_WANGXUN [=y] && PTP_1588_CLOCK_OPTIONAL [=m]
Selected by [y]:
- NGBEVF [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_WANGXUN [=y] && PCI_MSI [=y]
Selected by [m]:
- NGBE [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_WANGXUN [=y] && PCI [=y] && PTP_1588_CLOCK_OPTIONAL [=m]
ld: drivers/net/ethernet/wangxun/libwx/wx_lib.o: in function `wx_clean_tx_irq':
wx_lib.c:(.text+0x5a68): undefined reference to `ptp_schedule_worker'
ld: drivers/net/ethernet/wangxun/libwx/wx_ethtool.o: in function `wx_nway_reset':
wx_ethtool.c:(.text+0x880): undefined reference to `phylink_ethtool_nway_reset'
Add the same dependency on PTP_1588_CLOCK_OPTIONAL to the two driver
using this library module, following the pattern from commit
8fa19c2c69fb ("net: wangxun: fix LIBWX dependencies").
Fixes: 377d180bd71c ("net: wangxun: add txgbevf build")
Fixes: a0008a3658a3 ("net: wangxun: add ngbevf build")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Link: https://patch.msgid.link/20250711082339.1372821-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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A net device has a threaded sysctl that can be used to enable threaded
NAPI polling on all of the NAPI contexts under that device. Allow
enabling threaded NAPI polling at individual NAPI level using netlink.
Extend the netlink operation `napi-set` and allow setting the threaded
attribute of a NAPI. This will enable the threaded polling on a NAPI
context.
Add a test in `nl_netdev.py` that verifies various cases of threaded
NAPI being set at NAPI and at device level.
Tested
./tools/testing/selftests/net/nl_netdev.py
TAP version 13
1..7
ok 1 nl_netdev.empty_check
ok 2 nl_netdev.lo_check
ok 3 nl_netdev.page_pool_check
ok 4 nl_netdev.napi_list_check
ok 5 nl_netdev.dev_set_threaded
ok 6 nl_netdev.napi_set_threaded
ok 7 nl_netdev.nsim_rxq_reset_down
# Totals: pass:7 fail:0 xfail:0 xpass:0 skip:0 error:0
Signed-off-by: Samiullah Khawaja <skhawaja@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250710211203.3979655-1-skhawaja@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If a PHY has no driver, the genphy driver is probed/removed directly in
phy_attach/detach. If the PHY's ofnode has an "leds" subnode, then the
LEDs will be (un)registered when probing/removing the genphy driver.
This could occur if the leds are for a non-generic driver that isn't
loaded for whatever reason. Synchronously removing the PHY device in
phy_detach leads to the following deadlock:
rtnl_lock()
ndo_close()
...
phy_detach()
phy_remove()
phy_leds_unregister()
led_classdev_unregister()
led_trigger_set()
netdev_trigger_deactivate()
unregister_netdevice_notifier()
rtnl_lock()
There is a corresponding deadlock on the open/register side of things
(and that one is reported by lockdep), but it requires a race while this
one is deterministic. Regular drivers do not have this problem since
they are probed asynchronously (without RTNL held).
Generic PHYs do not support LEDs anyway, so don't bother registering
them.
[JakubL this is a net-next version of
commit f0f2b992d818 ("net: phy: Don't register LEDs for genphy"),
which uses APIs removed in -next.]
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Link: https://patch.msgid.link/20250710201454.1280277-1-sean.anderson@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If a PHY has no driver, the genphy driver is probed/removed directly in
phy_attach/detach. If the PHY's ofnode has an "leds" subnode, then the
LEDs will be (un)registered when probing/removing the genphy driver.
This could occur if the leds are for a non-generic driver that isn't
loaded for whatever reason. Synchronously removing the PHY device in
phy_detach leads to the following deadlock:
rtnl_lock()
ndo_close()
...
phy_detach()
phy_remove()
phy_leds_unregister()
led_classdev_unregister()
led_trigger_set()
netdev_trigger_deactivate()
unregister_netdevice_notifier()
rtnl_lock()
There is a corresponding deadlock on the open/register side of things
(and that one is reported by lockdep), but it requires a race while this
one is deterministic.
Generic PHYs do not support LEDs anyway, so don't bother registering
them.
Fixes: 01e5b728e9e4 ("net: phy: Add a binding for PHY LEDs")
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Link: https://patch.msgid.link/20250707195803.666097-1-sean.anderson@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add flow control mechanism between paired netdevsim devices to stop the
TX queue during high traffic scenarios. When a receive queue becomes
congested (approaching NSIM_RING_SIZE limit), the corresponding transmit
queue on the peer device is stopped using netif_subqueue_try_stop().
Once the receive queue has sufficient capacity again, the peer's
transmit queue is resumed with netif_tx_wake_queue().
Key changes:
* Add nsim_stop_peer_tx_queue() to pause peer TX when RX queue is full
* Add nsim_start_peer_tx_queue() to resume peer TX when RX queue drains
* Implement queue mapping validation to ensure TX/RX queue count match
* Wake all queues during device unlinking to prevent stuck queues
* Use RCU protection when accessing peer device references
* wake the queues when changing the queue numbers
* Remove IFF_NO_QUEUE given it will enqueue packets now
The flow control only activates when devices have matching TX/RX queue
counts to ensure proper queue mapping.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250711-netdev_flow_control-v3-1-aa1d5a155762@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Added a test for variable PMTU in broadcast routes.
This test uses iputils' ping and attempts to send a ping between
two peers, which should result in a regular echo reply.
This test will fail when the receiving peer does not receive the echo
request due to a lack of packet fragmentation.
Signed-off-by: Oscar Maes <oscmaes92@gmail.com>
Link: https://patch.msgid.link/20250710142714.12986-2-oscmaes92@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, __mkroute_output overrules the MTU value configured for
broadcast routes.
This buggy behaviour can be reproduced with:
ip link set dev eth1 mtu 9000
ip route del broadcast 192.168.0.255 dev eth1 proto kernel scope link src 192.168.0.2
ip route add broadcast 192.168.0.255 dev eth1 proto kernel scope link src 192.168.0.2 mtu 1500
The maximum packet size should be 1500, but it is actually 8000:
ping -b 192.168.0.255 -s 8000
Fix __mkroute_output to allow MTU values to be configured for
for broadcast routes (to support a mixed-MTU local-area-network).
Signed-off-by: Oscar Maes <oscmaes92@gmail.com>
Link: https://patch.msgid.link/20250710142714.12986-1-oscmaes92@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
Tariq Toukan says:
====================
mlx5-next updates 2025-07-14
* 'mlx5-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux:
net/mlx5: IFC updates for disabled host PF
net/mlx5: Expose disciplined_fr_counter through HCA capabilities in mlx5_ifc
RDMA/mlx5: Fix UMR modifying of mkey page size
net/mlx5: Expose HCA capability bits for mkey max page size
====================
Link: https://patch.msgid.link/1752481357-34780-1-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2025-07-11
The first patch is by Geert Uytterhoeven and converts the rcar_can
driver to DEFINE_SIMPLE_DEV_PM_OPS.
The last patch is by Biju Das and removes unused macros from the
rcar_canfd driver.
* tag 'linux-can-next-for-6.17-20250711' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next:
can: rcar_canfd: Drop unused macros
can: rcar_can: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
====================
Link: https://patch.msgid.link/20250711101706.2822687-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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x25_terminate_link() has been unused since the last use was removed
in 2020 by:
commit 7eed751b3b2a ("net/x25: handle additional netdev events")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Martin Schiller <ms@dev.tdt.de>
Link: https://patch.msgid.link/20250712205759.278777-1-linux@treblig.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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parents
As described in a previous commit [1], Lion's patch [2] revealed an ancient
bug in the qdisc API. Whenever a user tries to add a qdisc to an
invalid parent (not a class, root, or ingress qdisc), the qdisc API will
detect this after qdisc_create is called. Some qdiscs (like fq_codel, pie,
and sfq) call functions (on their init callback) which assume the parent is
valid, so qdisc_create itself may have caused a NULL pointer dereference in
such cases.
This commit creates 3 TDC tests that attempt to add fq_codel, pie and sfq
qdiscs to invalid parents
- Attempts to add an fq_codel qdisc to an hhf qdisc parent
- Attempts to add a pie qdisc to a drr qdisc parent
- Attempts to add an sfq qdisc to an inexistent hfsc classid (which would
belong to a valid hfsc qdisc)
[1] https://lore.kernel.org/all/20250707210801.372995-1-victor@mojatatu.com/
[2] https://lore.kernel.org/netdev/d912cbd7-193b-4269-9857-525bee8bbb6a@gmail.com/
Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20250712145035.705156-1-victor@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I missed adding rss_api.py to the Makefile. The NIPA Makefile
checking script was scanning for shell scripts only, so it
didn't flag it either.
Fixes: 4d13c6c449af ("selftests: drv-net: test RSS Netlink notifications")
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250712012005.4010263-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The buffer bgx_sel used in snprintf() was too small to safely hold
the formatted string "BGX%d" for all valid bgx_id values. This caused
a -Wformat-truncation warning with `Werror` enabled during build.
Increase the buffer size from 5 to 7 and use `sizeof(bgx_sel)` in
snprintf() to ensure safety and suppress the warning.
Build warning:
CC drivers/net/ethernet/cavium/thunder/thunder_bgx.o
drivers/net/ethernet/cavium/thunder/thunder_bgx.c: In function
‘bgx_acpi_match_id’:
drivers/net/ethernet/cavium/thunder/thunder_bgx.c:1434:27: error: ‘%d’
directive output may be truncated writing between 1 and 3 bytes into a
region of size 2 [-Werror=format-truncation=]
snprintf(bgx_sel, 5, "BGX%d", bgx->bgx_id);
^~
drivers/net/ethernet/cavium/thunder/thunder_bgx.c:1434:23: note:
directive argument in the range [0, 255]
snprintf(bgx_sel, 5, "BGX%d", bgx->bgx_id);
^~~~~~~
drivers/net/ethernet/cavium/thunder/thunder_bgx.c:1434:2: note:
‘snprintf’ output between 5 and 7 bytes into a destination of size 5
snprintf(bgx_sel, 5, "BGX%d", bgx->bgx_id);
compiler warning due to insufficient snprintf buffer size.
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250711140532.2463602-1-alok.a.tiwari@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Wei Fang says:
====================
net: fec: add some optimizations
Add some optimizations to the fec driver, see each patch for details.
v1: https://lore.kernel.org/20250710090902.1171180-1-wei.fang@nxp.com
====================
Link: https://patch.msgid.link/20250711091639.1374411-1-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the current driver, the MAC address is set in both fec_restart() and
fec_set_mac_address(), so a generic helper function fec_set_hw_mac_addr()
is added to set the hardware MAC address to make the code more compact.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250711091639.1374411-4-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There are also some RCR bits that are not defined but are used by the
driver, so add macro definitions for these bits to improve readability
and maintainability.
In addition, although FEC_RCR_HALFDPX has been defined, it is not used
in the driver. According to the description of FEC_RCR[1] in RM, it is
used to disable receive on transmit. Therefore, it is more appropriate
to redefine FEC_RCR[1] as FEC_RCR_DRT.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20250711091639.1374411-3-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use the generic helper function phy_interface_mode_is_rgmii() to check
RGMII mode.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20250711091639.1374411-2-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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syzbot reported weird splats [0][1] in cipso_v4_sock_setattr() while
freeing inet_sk(sk)->inet_opt.
The address was freed multiple times even though it was read-only memory.
cipso_v4_sock_setattr() did nothing wrong, and the root cause was type
confusion.
The cited commit made it possible to create smc_sock as an INET socket.
The issue is that struct smc_sock does not have struct inet_sock as the
first member but hijacks AF_INET and AF_INET6 sk_family, which confuses
various places.
In this case, inet_sock.inet_opt was actually smc_sock.clcsk_data_ready(),
which is an address of a function in the text segment.
$ pahole -C inet_sock vmlinux
struct inet_sock {
...
struct ip_options_rcu * inet_opt; /* 784 8 */
$ pahole -C smc_sock vmlinux
struct smc_sock {
...
void (*clcsk_data_ready)(struct sock *); /* 784 8 */
The same issue for another field was reported before. [2][3]
At that time, an ugly hack was suggested [4], but it makes both INET
and SMC code error-prone and hard to change.
Also, yet another variant was fixed by a hacky commit 98d4435efcbf3
("net/smc: prevent NULL pointer dereference in txopt_get").
Instead of papering over the root cause by such hacks, we should not
allow non-INET socket to reuse the INET infra.
Let's add inet_sock as the first member of smc_sock.
[0]:
kvfree_call_rcu(): Double-freed call. rcu_head 000000006921da73
WARNING: CPU: 0 PID: 6718 at mm/slab_common.c:1956 kvfree_call_rcu+0x94/0x3f0 mm/slab_common.c:1955
Modules linked in:
CPU: 0 UID: 0 PID: 6718 Comm: syz.0.17 Tainted: G W 6.16.0-rc4-syzkaller-g7482bb149b9f #0 PREEMPT
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kvfree_call_rcu+0x94/0x3f0 mm/slab_common.c:1955
lr : kvfree_call_rcu+0x94/0x3f0 mm/slab_common.c:1955
sp : ffff8000a03a7730
x29: ffff8000a03a7730 x28: 00000000fffffff5 x27: 1fffe000184823d3
x26: dfff800000000000 x25: ffff0000c2411e9e x24: ffff0000dd88da00
x23: ffff8000891ac9a0 x22: 00000000ffffffea x21: ffff8000891ac9a0
x20: ffff8000891ac9a0 x19: ffff80008afc2480 x18: 00000000ffffffff
x17: 0000000000000000 x16: ffff80008ae642c8 x15: ffff700011ede14c
x14: 1ffff00011ede14c x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff700011ede14c x10: 0000000000ff0100 x9 : 5fa3c1ffaf0ff000
x8 : 5fa3c1ffaf0ff000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000a03a7078 x4 : ffff80008f766c20 x3 : ffff80008054d360
x2 : 0000000000000000 x1 : 0000000000000201 x0 : 0000000000000000
Call trace:
kvfree_call_rcu+0x94/0x3f0 mm/slab_common.c:1955 (P)
cipso_v4_sock_setattr+0x2f0/0x3f4 net/ipv4/cipso_ipv4.c:1914
netlbl_sock_setattr+0x240/0x334 net/netlabel/netlabel_kapi.c:1000
smack_netlbl_add+0xa8/0x158 security/smack/smack_lsm.c:2581
smack_inode_setsecurity+0x378/0x430 security/smack/smack_lsm.c:2912
security_inode_setsecurity+0x118/0x3c0 security/security.c:2706
__vfs_setxattr_noperm+0x174/0x5c4 fs/xattr.c:251
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:295
vfs_setxattr+0x158/0x2ac fs/xattr.c:321
do_setxattr fs/xattr.c:636 [inline]
file_setxattr+0x1b8/0x294 fs/xattr.c:646
path_setxattrat+0x2ac/0x320 fs/xattr.c:711
__do_sys_fsetxattr fs/xattr.c:761 [inline]
__se_sys_fsetxattr fs/xattr.c:758 [inline]
__arm64_sys_fsetxattr+0xc0/0xdc fs/xattr.c:758
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879
el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
[1]:
Unable to handle kernel write to read-only memory at virtual address ffff8000891ac9a8
KASAN: probably user-memory-access in range [0x0000000448d64d40-0x0000000448d64d47]
Mem abort info:
ESR = 0x000000009600004e
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x0e: level 2 permission fault
Data abort info:
ISV = 0, ISS = 0x0000004e, ISS2 = 0x00000000
CM = 0, WnR = 1, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000207144000
[ffff8000891ac9a8] pgd=0000000000000000, p4d=100000020f950003, pud=100000020f951003, pmd=0040000201000781
Internal error: Oops: 000000009600004e [#1] SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6946 Comm: syz.0.69 Not tainted 6.16.0-rc4-syzkaller-g7482bb149b9f #0 PREEMPT
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kvfree_call_rcu+0x31c/0x3f0 mm/slab_common.c:1971
lr : add_ptr_to_bulk_krc_lock mm/slab_common.c:1838 [inline]
lr : kvfree_call_rcu+0xfc/0x3f0 mm/slab_common.c:1963
sp : ffff8000a28a7730
x29: ffff8000a28a7730 x28: 00000000fffffff5 x27: 1fffe00018b09bb3
x26: 0000000000000001 x25: ffff80008f66e000 x24: ffff00019beaf498
x23: ffff00019beaf4c0 x22: 0000000000000000 x21: ffff8000891ac9a0
x20: ffff8000891ac9a0 x19: 0000000000000000 x18: 00000000ffffffff
x17: ffff800093363000 x16: ffff80008052c6e4 x15: ffff700014514ecc
x14: 1ffff00014514ecc x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff700014514ecc x10: 0000000000000001 x9 : 0000000000000001
x8 : ffff00019beaf7b4 x7 : ffff800080a94154 x6 : 0000000000000000
x5 : ffff8000935efa60 x4 : 0000000000000008 x3 : ffff80008052c7fc
x2 : 0000000000000001 x1 : ffff8000891ac9a0 x0 : 0000000000000001
Call trace:
kvfree_call_rcu+0x31c/0x3f0 mm/slab_common.c:1967 (P)
cipso_v4_sock_setattr+0x2f0/0x3f4 net/ipv4/cipso_ipv4.c:1914
netlbl_sock_setattr+0x240/0x334 net/netlabel/netlabel_kapi.c:1000
smack_netlbl_add+0xa8/0x158 security/smack/smack_lsm.c:2581
smack_inode_setsecurity+0x378/0x430 security/smack/smack_lsm.c:2912
security_inode_setsecurity+0x118/0x3c0 security/security.c:2706
__vfs_setxattr_noperm+0x174/0x5c4 fs/xattr.c:251
__vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:295
vfs_setxattr+0x158/0x2ac fs/xattr.c:321
do_setxattr fs/xattr.c:636 [inline]
file_setxattr+0x1b8/0x294 fs/xattr.c:646
path_setxattrat+0x2ac/0x320 fs/xattr.c:711
__do_sys_fsetxattr fs/xattr.c:761 [inline]
__se_sys_fsetxattr fs/xattr.c:758 [inline]
__arm64_sys_fsetxattr+0xc0/0xdc fs/xattr.c:758
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879
el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: aa1f03e2 52800023 97ee1e8d b4000195 (f90006b4)
Fixes: d25a92ccae6b ("net/smc: Introduce IPPROTO_SMC")
Reported-by: syzbot+40bf00346c3fe40f90f2@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/686d9b50.050a0220.1ffab7.0020.GAE@google.com/
Tested-by: syzbot+40bf00346c3fe40f90f2@syzkaller.appspotmail.com
Reported-by: syzbot+f22031fad6cbe52c70e7@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/686da0f3.050a0220.1ffab7.0022.GAE@google.com/
Reported-by: syzbot+271fed3ed6f24600c364@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=271fed3ed6f24600c364 # [2]
Link: https://lore.kernel.org/netdev/99f284be-bf1d-4bc4-a629-77b268522fff@huawei.com/ # [3]
Link: https://lore.kernel.org/netdev/20250331081003.1503211-1-wangliang74@huawei.com/ # [4]
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: D. Wythe <alibuda@linux.alibaba.com>
Reviewed-by: Wang Liang <wangliang74@huawei.com>
Link: https://patch.msgid.link/20250711060808.2977529-1-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This is a follow-up for commit eb1ac9ff6c4a5 ("ipv6: anycast: Don't
hold RTNL for IPV6_JOIN_ANYCAST.").
We should not add a new device lookup API without netdevice_tracker.
Let's pass netdevice_tracker to dev_get_by_flags_rcu() and rename it
with netdev_ prefix to match other newer APIs.
Note that we always use GFP_ATOMIC for netdev_hold() as it's expected
to be called under RCU.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/netdev/20250708184053.102109f6@kernel.org/
Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250711051120.2866855-1-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The Renesas RZ/G3E SMARC EVK uses KSZ9131RNXC phy. On deep power state,
PHY loses the power and on wakeup the rgmii delays are not reconfigured
causing it to fail.
Replace the callback kszphy_resume()->ksz9131_resume() for reconfiguring
the rgmii_delay when it exits from PM suspend state.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250711054029.48536-1-biju.das.jz@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jordan Rife says:
====================
bpf: tcp: Exactly-once socket iteration
TCP socket iterators use iter->offset to track progress through a
bucket, which is a measure of the number of matching sockets from the
current bucket that have been seen or processed by the iterator. On
subsequent iterations, if the current bucket has unprocessed items, we
skip at least iter->offset matching items in the bucket before adding
any remaining items to the next batch. However, iter->offset isn't
always an accurate measure of "things already seen" when the underlying
bucket changes between reads, which can lead to repeated or skipped
sockets. Instead, this series remembers the cookies of the sockets we
haven't seen yet in the current bucket and resumes from the first cookie
in that list that we can find on the next iteration.
This is a continuation of the work started in [1]. This series largely
replicates the patterns applied to UDP socket iterators, applying them
instead to TCP socket iterators.
CHANGES
=======
v5 -> v6:
* In patch ten ("selftests/bpf: Create established sockets in socket
iterator tests"), use poll() to choose a socket that has a connection
ready to be accept()ed. Before, connect_to_server would set the
O_NONBLOCK flag on all listening sockets so that accept_from_one could
loop through them all and find the one that connect_to_addr_str
connected to. However, this is subtly buggy and could potentially lead
to test flakes, since the 3 way handshake isn't necessarily done when
connect returns, so it's possible none of the accept() calls succeed.
Use poll() instead to guarantee that the socket we accept() from is
ready and eliminate the need for the O_NONBLOCK flag (Martin).
v4 -> v5:
* Move WARN_ON_ONCE before the `done` label in patch two ("bpf: tcp:
Make sure iter->batch always contains a full bucket snapshot"")
(Martin).
* Remove unnecessary kfunc declaration in patch eleven ("selftests/bpf:
Create iter_tcp_destroy test program") (Martin).
* Make sure to close the socket fd at the end of `destroy` in patch
twelve ("selftests/bpf: Add tests for bucket resume logic in
established sockets") (Martin).
v3 -> v4:
* Drop braces around sk_nulls_for_each_from in patch five ("bpf: tcp:
Avoid socket skips and repeats during iteration") (Stanislav).
* Add a break after the TCP_SEQ_STATE_ESTABLISHED case in patch five
(Stanislav).
* Add an `if (sock_type == SOCK_STREAM)` check before assigning
TCP_LISTEN to skel->rodata->ss in patch eight ("selftests/bpf: Allow
for iteration over multiple states") to more clearly express the
intent that the option is only consumed for SOCK_STREAM tests
(Stanislav).
* Move the `i = 0` assignment into the for loop in patch ten
("selftests/bpf: Create established sockets in socket iterator
tests") (Stanislav).
v2 -> v3:
* Unroll the loop inside bpf_iter_tcp_batch to make the logic easier to
follow in patch two ("bpf: tcp: Make sure iter->batch always contains
a full bucket snapshot"). This gets rid of the `resizes` variable from
v2 and eliminates the extra conditional that checks how many batch
resize attempts have occurred so far (Stanislav).
Note: This changes the behavior slightly. Before, in the case that
the second call to tcp_seek_last_pos (and later bpf_iter_tcp_resume)
advances to a new bucket, which may happen if the current bucket is
emptied after releasing its lock, the `resizes` "budget" would be
reset, the net effect being that we would try a batch resize with
GFP_USER at most once per bucket. Now, we try to resize the batch
with GFP_USER at most once per call, so it makes it slightly more
likely that we hit the GFP_NOWAIT scenario. However, this edge case
should be rare in practice anyway, and the new behavior is more or
less consistent with the original retry logic, so avoid the loop and
prefer code clarity.
* Move the call to bpf_iter_tcp_put_batch out of
bpf_iter_tcp_realloc_batch and call it directly before invoking
bpf_iter_tcp_realloc_batch with GFP_USER inside bpf_iter_tcp_batch.
/Don't/ call it before invoking bpf_iter_tcp_realloc_batch the second
time while we hold the lock with GFP_NOWAIT. This avoids a conditional
inside bpf_iter_tcp_realloc_batch from v2 that only calls
bpf_iter_tcp_put_batch if flags != GFP_NOWAIT and is a bit more
explicit (Stanislav).
* Adjust patch five ("bpf: tcp: Avoid socket skips and repeats during
iteration") to fit with the new logic in patch two.
v1 -> v2:
* In patch five ("bpf: tcp: Avoid socket skips and repeats during
iteration"), remove unnecessary bucket bounds checks in
bpf_iter_tcp_resume. In either case, if st->bucket is outside the
current table's range then bpf_iter_tcp_resume_* calls *_get_first
which immediately returns NULL anyway and the logic will fall through.
(Martin)
* Add a check at the top of bpf_iter_tcp_resume_listening and
bpf_iter_tcp_resume_established to see if we're done with the current
bucket and advance it immediately instead of wasting time finding the
first matching socket in that bucket with
(listening|established)_get_first. In v1, we originally discussed
adding logic to advance the bucket in bpf_iter_tcp_seq_next and
bpf_iter_tcp_seq_stop, but after trying this the logic seemed harder
to track. Overall, keeping everything inside bpf_iter_tcp_resume_*
seemed a bit clearer. (Martin)
* Instead of using a timeout in the last patch ("selftests/bpf: Add
tests for bucket resume logic in established sockets") to wait for
sockets to leave the ehash table after calling close(), use
bpf_sock_destroy to deterministically destroy and remove them. This
introduces one more patch ("selftests/bpf: Create iter_tcp_destroy
test program") to create the iterator program that destroys a selected
socket. Drive this through a destroy() function in the last patch
which, just like close(), accepts a socket file descriptor. (Martin)
* Introduce one more patch ("selftests/bpf: Allow for iteration over
multiple states") to fix a latent bug in iter_tcp_soreuse where the
sk->sk_state != TCP_LISTEN check was ignored. Add the "ss" variable to
allow test code to configure which socket states to allow.
[1]: https://lore.kernel.org/bpf/20250502161528.264630-1-jordan@jrife.io/
====================
Link: https://patch.msgid.link/20250714180919.127192-1-jordan@jrife.io
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Replicate the set of test cases used for UDP socket iterators to test
similar scenarios for TCP established sockets.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
|
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Prepare for bucket resume tests for established TCP sockets by creating
a program to immediately destroy and remove sockets from the TCP ehash
table, since close() is not deterministic.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
|
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Prepare for bucket resume tests for established TCP sockets by creating
established sockets. Collect socket fds from connect() and accept()
sides and pass them to test cases.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
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Prepare for bucket resume tests for established TCP sockets by making
the number of ehash buckets configurable. Subsequent patches force all
established sockets into the same bucket by setting ehash_buckets to
one.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
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Add parentheses around loopback address check to fix up logic and make
the socket state filter configurable for the TCP socket iterators.
Iterators can skip the socket state check by setting ss to 0.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
|
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Prepare to test TCP socket iteration over both listening and established
sockets by allowing the BPF iterator programs to skip the port check.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
|
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Replicate the set of test cases used for UDP socket iterators to test
similar scenarios for TCP listening sockets.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
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Replace the offset-based approach for tracking progress through a bucket
in the TCP table with one based on socket cookies. Remember the cookies
of unprocessed sockets from the last batch and use this list to
pick up where we left off or, in the case that the next socket
disappears between reads, find the first socket after that point that
still exists in the bucket and resume from there.
This approach guarantees that all sockets that existed when iteration
began and continue to exist throughout will be visited exactly once.
Sockets that are added to the table during iteration may or may not be
seen, but if they are they will be seen exactly once.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
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Prepare for the next patch that tracks cookies between iterations by
converting struct sock **batch to union bpf_tcp_iter_batch_item *batch
inside struct bpf_tcp_iter_state.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
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Get rid of the st_bucket_done field to simplify TCP iterator state and
logic. Before, st_bucket_done could be false if bpf_iter_tcp_batch
returned a partial batch; however, with the last patch ("bpf: tcp: Make
sure iter->batch always contains a full bucket snapshot"),
st_bucket_done == true is equivalent to iter->cur_sk == iter->end_sk.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
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Require that iter->batch always contains a full bucket snapshot. This
invariant is important to avoid skipping or repeating sockets during
iteration when combined with the next few patches. Before, there were
two cases where a call to bpf_iter_tcp_batch may only capture part of a
bucket:
1. When bpf_iter_tcp_realloc_batch() returns -ENOMEM.
2. When more sockets are added to the bucket while calling
bpf_iter_tcp_realloc_batch(), making the updated batch size
insufficient.
In cases where the batch size only covers part of a bucket, it is
possible to forget which sockets were already visited, especially if we
have to process a bucket in more than two batches. This forces us to
choose between repeating or skipping sockets, so don't allow this:
1. Stop iteration and propagate -ENOMEM up to userspace if reallocation
fails instead of continuing with a partial batch.
2. Try bpf_iter_tcp_realloc_batch() with GFP_USER just as before, but if
we still aren't able to capture the full bucket, call
bpf_iter_tcp_realloc_batch() again while holding the bucket lock to
guarantee the bucket does not change. On the second attempt use
GFP_NOWAIT since we hold onto the spin lock.
I did some manual testing to exercise the code paths where GFP_NOWAIT is
used and where ERR_PTR(err) is returned. I used the realloc test cases
included later in this series to trigger a scenario where a realloc
happens inside bpf_iter_tcp_batch and made a small code tweak to force
the first realloc attempt to allocate a too-small batch, thus requiring
another attempt with GFP_NOWAIT. Some printks showed both reallocs with
the tests passing:
Jun 27 00:00:53 crow kernel: again GFP_USER
Jun 27 00:00:53 crow kernel: again GFP_NOWAIT
Jun 27 00:00:53 crow kernel: again GFP_USER
Jun 27 00:00:53 crow kernel: again GFP_NOWAIT
With this setup, I also forced each of the bpf_iter_tcp_realloc_batch
calls to return -ENOMEM to ensure that iteration ends and that the
read() in userspace fails.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
|
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Prepare for the next patch which needs to be able to choose either
GFP_USER or GFP_NOWAIT for calls to bpf_iter_tcp_realloc_batch.
Signed-off-by: Jordan Rife <jordan@jrife.io>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
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The RDMA driver needs to map its own MMIO regions for the sake of
performance, meaning the IDPF needs to avoid mapping portions of the BAR
space. However, to be HW agnostic, the IDPF cannot assume where
these are and must avoid mapping hard coded regions as much as possible.
The IDPF maps the bare minimum to load and communicate with the
control plane, i.e., the mailbox registers and the reset state
registers. Because of how and when mailbox register offsets are
initialized, it is easier to adjust the existing defines to be relative
to the mailbox region starting address. Use a specific mailbox register
write function that uses these relative offsets. The reset state
register addresses are calculated the same way as for other registers,
described below.
The IDPF then calls a new virtchnl op to fetch a list of MMIO regions
that it should map. The addresses for the registers in these regions are
calculated by determining what region the register resides in, adjusting
the offset to be relative to that region, and then adding the
register's offset to that region's mapped address.
If the new virtchnl op is not supported, the IDPF will fallback to
mapping the whole bar. However, it will still map them as separate
regions outside the mailbox and reset state registers. This way we can
use the same logic in both cases to access the MMIO space.
Reviewed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The only event an RDMA vport aux driver cares about right now is an MTU
change on its underlying vport. Implement and plumb the handler to
signal the pre MTU change event and post MTU change events to the RDMA
vport aux driver.
Reviewed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
|
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Implement the idpf_idc_request_reset and idpf_idc_rdma_vc_send_sync
callbacks for the rdma core auxiliary driver to issue reset events to
the idpf and send (synchronous) virtchnl messages to the control plane
respectively.
Implement and plumb the reset handler for the opposite flow as well,
i.e. when the idpf is resetiing and needs to notify the rdma core
auxiliary driver.
Reviewed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
|
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Implement the functions to create, initialize, and destroy an RDMA vport
auxiliary device. The vport aux dev creation is dependent on the
core aux device to call idpf_idc_vport_dev_ctrl to signal that it is
ready for vport aux devices. Implement that core callback to either
create and initialize the vport aux dev or deinitialize.
RDMA vport aux dev creation is also dependent on the control plane to
tell us the vport is RDMA enabled. Add a flag in the create vport
message to signal individual vport RDMA capabilities.
Reviewed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add the initial idpf_idc.c file with the functions to kick off the IDC
initialization, create and initialize a core RDMA auxiliary device, and
destroy said device.
The RDMA core has a dependency on the vports being created by the
control plane before it can be initialized. Therefore, once all the
vports are up after a hard reset (either during driver load a function
level reset), the core RDMA device info will be created. It is populated
with the function type (as distinguished by the IDC initialization
function pointer), the core idc_ops function points (just stubs for
now), the reserved RDMA MSIX table, and various other info the core RDMA
auxiliary driver will need. It is then plugged on to the bus.
During a function level reset or driver unload, the device will be
unplugged from the bus and destroyed.
Reviewed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Fetch the number of reserved RDMA vectors from the control plane.
Adjust the number of reserved LAN vectors if necessary. Adjust the
minimum number of vectors the OS should reserve to include RDMA; and
fail if the OS cannot reserve enough vectors for the minimum number of
LAN and RDMA vectors required. Create a separate msix table for the
reserved RDMA vectors, which will just get handed off to the RDMA core
device to do with what it will.
Reviewed-by: Madhu Chittim <madhu.chittim@intel.com>
Signed-off-by: Joshua Hay <joshua.a.hay@intel.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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We only need to support version 1, 5 and 7.
Remove versions 2, 3, 4 and 6.
Reviewed-by: Pagadala Yesu Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250711183056.10d91f675505.Idd3a6da568261ee738918f290168a2ddaa87196b@changeid
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This are not used in any of our devices. Remove it.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250711183056.89156be9bc7f.I5ff5c1055eaf4fef9bd73233ea4d95504634ceed@changeid
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These are not used in any of our devices. Remove them.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250711183056.dd784443be53.I4ff3b2392294f5df2625a71e2deee3364e9708f6@changeid
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iwlmld was planned to be used for HR/GF, which has versions 5/6,
but it was decided at the end to use iwlmvm for HR/GF, so iwlmld only
needs to support version 8.
Remove versions 5 and 6 support.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250711183056.9c64bfbb16cb.I109bee4d4bf455cbffbb8d2340023338bcab886d@changeid
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when BT is ON"
Due to a hw bug, this feature won't be enabled. Revert its
implementation.
This reverts commit 37808a3788fd ("wifi: iwlwifi: mld: allow EMLSR with
2.4 GHz when BT is ON")
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250711183056.57755ac3f39d.I63ae0ee3e6cdc9b11175ad15927aaad3b8f8f47a@changeid
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with bt on"
Due to a hw bug, this feature won't be enabled. Revert its tests.
This reverts commit f7cc80b871ee ("wifi: iwlwifi: mld: add kunit test
for emlsr with bt on")
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250711183056.5fdf77497ad2.I1160f1dcff734cb42baa8fbf8aac121a1a24a4c5@changeid
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