| Age | Commit message (Collapse) | Author |
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Refactor the HE MCS mapper functionality in
ath12k_mac_copy_he_cap() into a new function.
This helps improve readability, extensibility and will be used
when adding support for 160 MHz bandwidth in subsequent patches.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Co-developed-by: Muna Sinada <quic_msinada@quicinc.com>
Signed-off-by: Muna Sinada <quic_msinada@quicinc.com>
Signed-off-by: Pradeep Kumar Chitrapu <quic_pradeepc@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20250701010408.1257201-4-quic_pradeepc@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently, only the EHT IE in management frames is updated with
respect to MU-MIMO configurations, but this change is not
reflected in the hardware. Add support to propagate MU-MIMO
configurations to the hardware as well for AP mode. Similar
support for STA mode will be added in future.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Co-developed-by: Muna Sinada <quic_msinada@quicinc.com>
Signed-off-by: Muna Sinada <quic_msinada@quicinc.com>
Signed-off-by: Pradeep Kumar Chitrapu <quic_pradeepc@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20250701010408.1257201-3-quic_pradeepc@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Currently, only the HE IE in management frames is updated with
respect to MU-MIMO configurations, but this change is not
reflected in the hardware. Add support to propagate MU-MIMO
configurations to the hardware as well.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
Co-developed-by: Muna Sinada <quic_msinada@quicinc.com>
Signed-off-by: Muna Sinada <quic_msinada@quicinc.com>
Signed-off-by: Pradeep Kumar Chitrapu <quic_pradeepc@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20250701010408.1257201-2-quic_pradeepc@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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dma_map_XXX() functions return values DMA_MAPPING_ERROR as error values
which is often ~0. The error value should be tested with
dma_mapping_error().
This patch creates a new function in niu_ops to test if the mapping
failed. The test is fixed in niu_rbr_add_page(), added in
niu_start_xmit() and the successfully mapped pages are unmaped upon error.
Fixes: ec2deec1f352 ("niu: Fix to check for dma mapping errors.")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is not only a cosmetic change because the section mismatch checks
also depend on the name and for drivers the checks are stricter than for
ops.
However xircom_driver also passes the stricter checks just fine, so no
further changes needed.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20250627102220.1937649-2-u.kleine-koenig@baylibre.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This is not only a cosmetic change because the section mismatch checks
(implemented in scripts/mod/modpost.c) also depend on the object's name
and for drivers the checks are stricter than for ops.
However aq_pci_driver also passes the stricter checks just fine, so no
further changes needed.
The cheating^Wmisleading name was introduced in commit 97bde5c4f909
("net: ethernet: aquantia: Support for NIC-specific code")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250630164406.57589-2-u.kleine-koenig@baylibre.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ensure correct CKO settings after network interface reinitialization.
If the user reinitializes the network interface, the PHY will reinitialize,
and the CKO settings will revert to their initial configuration(be enabled).
To prevent CKO from being re-enabled,
en8811h_clk_restore_context and en8811h_resume were added
to ensure the CKO settings remain correct.
Signed-off-by: Lucien.Jheng <lucienzx159@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250630154147.80388-1-lucienzx159@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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hellcreek_fdb_entry
'struct devlink_region_ops' and 'struct hellcreek_fdb_entry' are not
modified in this driver.
Constifying these structures moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
55320 19216 320 74856 12468 drivers/net/dsa/hirschmann/hellcreek.o
After:
=====
text data bss dec hex filename
55960 18576 320 74856 12468 drivers/net/dsa/hirschmann/hellcreek.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Link: https://patch.msgid.link/2f7e8dc30db18bade94999ac7ce79f333342e979.1751231174.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use kcalloc() instead of hand writing it. This is less verbose.
Also move the initialization of 'count' to save some LoC.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
18652 5920 64 24636 603c drivers/net/dsa/mv88e6xxx/devlink.o
After:
=====
text data bss dec hex filename
18498 5920 64 24482 5fa2 drivers/net/dsa/mv88e6xxx/devlink.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/2f4fca4ff84950da71e007c9169f18a0272476f3.1751200453.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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mv88e6xxx_region
'struct devlink_region_ops' and 'struct mv88e6xxx_region' are not modified
in this driver.
Constifying these structures moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
18076 6496 64 24636 603c drivers/net/dsa/mv88e6xxx/devlink.o
After:
=====
text data bss dec hex filename
18652 5920 64 24636 603c drivers/net/dsa/mv88e6xxx/devlink.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/46040062161dda211580002f950a6d60433243dc.1751200453.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Aquantia AQC113(C) using ATL2FW doesn't properly prepare the NIC for
enabling wake-on-lan. The FW operation `set_power` was only implemented
for `hw_atl` and not `hw_atl2`. Implement the `set_power` functionality
for `hw_atl2`.
Tested with both AQC113 and AQC113C devices. Confirmed you can shutdown
the system and wake from S5 using magic packets. NIC was previously
powered off when entering S5. If the NIC was configured for WOL by the
Windows driver, loading the atlantic driver would disable WOL.
Partially cherry-picks changes from commit,
https://github.com/Aquantia/AQtion/commit/37bd5cc
Attributing original authors from Marvell for the referenced commit.
Closes: https://github.com/Aquantia/AQtion/issues/70
Co-developed-by: Igor Russkikh <irusskikh@marvell.com>
Co-developed-by: Mark Starovoitov <mstarovoitov@marvell.com>
Co-developed-by: Dmitry Bogdanov <dbogdanov@marvell.com>
Co-developed-by: Pavel Belous <pbelous@marvell.com>
Co-developed-by: Nikita Danilov <ndanilov@marvell.com>
Signed-off-by: Eric Work <work.eric@gmail.com>
Reviewed-by: Igor Russkikh <irusskikh@marvell.com>
Link: https://patch.msgid.link/20250629051535.5172-1-work.eric@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Upon receiving the Reset Request, pause the connection and clean up
queues, wait for the specified period, then resume the NIC.
In the cleanup phase, the HWC is no longer responding, so set hwc_timeout
to zero to skip waiting on the response.
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://patch.msgid.link/1751055983-29760-1-git-send-email-haiyangz@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add support for the Signal Quality Indicator (SQI) feature on KSZ9477
family switches, providing a relative measure of receive signal quality.
The hardware exposes separate SQI readings per channel. For 1000BASE-T,
all four channels are read. For 100BASE-TX, only one channel is reported,
but which receive pair is active depends on Auto MDI-X negotiation, which
is not exposed by the hardware. Therefore, it is not possible to reliably
map the measured channel to a specific wire pair.
This resolves an earlier discussion about how to handle multi-channel
SQI. Originally, the plan was to expose all channels individually.
However, since pair mapping is sometimes unavailable, this
implementation treats SQI as a per-link metric instead. This fallback
avoids ambiguity and ensures consistent behavior. The existing get_sqi()
UAPI was designed for single-pair Ethernet (SPE), where per-pair and
per-link are effectively equivalent. Restricting its use to per-link
metrics does not introduce regressions for existing users.
The raw 7-bit SQI value (0–127, lower is better) is converted to the
standard 0–7 (high is better) scale. Empirical testing showed that the
link becomes unstable around a raw value of 8.
The SQI raw value remains zero if no data is received, even if noise is
present. This confirms that the measurement reflects the "quality" during
active data reception rather than the passive line state. User space
must ensure that traffic is present on the link to obtain valid SQI
readings.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20250627112539.895255-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The comparison in enic_change_mtu() incorrectly used the current
netdev->mtu instead of the new new_mtu value when warning about
an MTU exceeding the port MTU. This could suppress valid warnings
or issue incorrect ones.
Fix the condition and log to properly reflect the new_mtu.
Fixes: ab123fe071c9 ("enic: handle mtu change for vf properly")
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Acked-by: John Daley <johndale@cisco.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250628145612.476096-1-alok.a.tiwari@oracle.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update the Clause 37 Auto-Negotiation implementation to properly align
with the PCS hardware specifications:
- Fix incorrect bit settings in Link Status and Link Duplex fields
- Implement missing sequence steps 2 and 7
These changes ensure CL37 auto-negotiation protocol follows the exact
sequence patterns as specified in the hardware databook.
Fixes: 1bf40ada6290 ("amd-xgbe: Add support for clause 37 auto-negotiation")
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Link: https://patch.msgid.link/20250630192636.3838291-1-Raju.Rangoju@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit d48523cb88e0 ("sfc: Copy shared files needed for Siena (part 2)")
use xdp_rxq_info_valid to track failures of xdp_rxq_info_reg().
However, this driver-maintained state becomes redundant since the XDP
framework already provides xdp_rxq_info_is_reg() for checking registration
status.
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com>
Link: https://patch.msgid.link/20250628051033.51133-1-wangfushuai@baidu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit eb9a36be7f3e ("sfc: perform XDP processing on received packets")
use xdp_rxq_info_valid to track failures of xdp_rxq_info_reg().
However, this driver-maintained state becomes redundant since the XDP
framework already provides xdp_rxq_info_is_reg() for checking registration
status.
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com>
Link: https://patch.msgid.link/20250628051016.51022-1-wangfushuai@baidu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I226 devices advertise support for the PCI-E link L1.2 substate. However,
due to a hardware limitation, the exit latency from this low-power state
is longer than the packet buffer can tolerate under high traffic
conditions. This can lead to packet loss and degraded performance.
To mitigate this, disable the L1.2 substate. The increased power draw
between L1.1 and L1.2 is insignificant.
Fixes: 43546211738e ("igc: Add new device ID's")
Link: https://lore.kernel.org/intel-wired-lan/15248b4f-3271-42dd-8e35-02bfc92b25e1@intel.com
Signed-off-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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With VIRTCHNL2_CAP_MACFILTER enabled, the following warning is generated
on module load:
[ 324.701677] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:578
[ 324.701684] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1582, name: NetworkManager
[ 324.701689] preempt_count: 201, expected: 0
[ 324.701693] RCU nest depth: 0, expected: 0
[ 324.701697] 2 locks held by NetworkManager/1582:
[ 324.701702] #0: ffffffff9f7be770 (rtnl_mutex){....}-{3:3}, at: rtnl_newlink+0x791/0x21e0
[ 324.701730] #1: ff1100216c380368 (_xmit_ETHER){....}-{2:2}, at: __dev_open+0x3f0/0x870
[ 324.701749] Preemption disabled at:
[ 324.701752] [<ffffffff9cd23b9d>] __dev_open+0x3dd/0x870
[ 324.701765] CPU: 30 UID: 0 PID: 1582 Comm: NetworkManager Not tainted 6.15.0-rc5+ #2 PREEMPT(voluntary)
[ 324.701771] Hardware name: Intel Corporation M50FCP2SBSTD/M50FCP2SBSTD, BIOS SE5C741.86B.01.01.0001.2211140926 11/14/2022
[ 324.701774] Call Trace:
[ 324.701777] <TASK>
[ 324.701779] dump_stack_lvl+0x5d/0x80
[ 324.701788] ? __dev_open+0x3dd/0x870
[ 324.701793] __might_resched.cold+0x1ef/0x23d
<..>
[ 324.701818] __mutex_lock+0x113/0x1b80
<..>
[ 324.701917] idpf_ctlq_clean_sq+0xad/0x4b0 [idpf]
[ 324.701935] ? kasan_save_track+0x14/0x30
[ 324.701941] idpf_mb_clean+0x143/0x380 [idpf]
<..>
[ 324.701991] idpf_send_mb_msg+0x111/0x720 [idpf]
[ 324.702009] idpf_vc_xn_exec+0x4cc/0x990 [idpf]
[ 324.702021] ? rcu_is_watching+0x12/0xc0
[ 324.702035] idpf_add_del_mac_filters+0x3ed/0xb50 [idpf]
<..>
[ 324.702122] __hw_addr_sync_dev+0x1cf/0x300
[ 324.702126] ? find_held_lock+0x32/0x90
[ 324.702134] idpf_set_rx_mode+0x317/0x390 [idpf]
[ 324.702152] __dev_open+0x3f8/0x870
[ 324.702159] ? __pfx___dev_open+0x10/0x10
[ 324.702174] __dev_change_flags+0x443/0x650
<..>
[ 324.702208] netif_change_flags+0x80/0x160
[ 324.702218] do_setlink.isra.0+0x16a0/0x3960
<..>
[ 324.702349] rtnl_newlink+0x12fd/0x21e0
The sequence is as follows:
rtnl_newlink()->
__dev_change_flags()->
__dev_open()->
dev_set_rx_mode() - > # disables BH and grabs "dev->addr_list_lock"
idpf_set_rx_mode() -> # proceed only if VIRTCHNL2_CAP_MACFILTER is ON
__dev_uc_sync() ->
idpf_add_mac_filter ->
idpf_add_del_mac_filters ->
idpf_send_mb_msg() ->
idpf_mb_clean() ->
idpf_ctlq_clean_sq() # mutex_lock(cq_lock)
Fix by converting cq_lock to a spinlock. All operations under the new
lock are safe except freeing the DMA memory, which may use vunmap(). Fix
by requesting a contiguous physical memory for the DMA mapping.
Fixes: a251eee62133 ("idpf: add SRIOV support and other ndo_ops")
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Samuel Salin <Samuel.salin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Returning -EOPNOTSUPP from function returning u32 is leading to
cast and invalid size value as a result.
-EOPNOTSUPP as a size probably will lead to allocation fail.
Command: ethtool -x eth0
It is visible on all devices that don't have RSS caps set.
[ 136.615917] Call Trace:
[ 136.615921] <TASK>
[ 136.615927] ? __warn+0x89/0x130
[ 136.615942] ? __alloc_frozen_pages_noprof+0x322/0x330
[ 136.615953] ? report_bug+0x164/0x190
[ 136.615968] ? handle_bug+0x58/0x90
[ 136.615979] ? exc_invalid_op+0x17/0x70
[ 136.615987] ? asm_exc_invalid_op+0x1a/0x20
[ 136.616001] ? rss_prepare_get.constprop.0+0xb9/0x170
[ 136.616016] ? __alloc_frozen_pages_noprof+0x322/0x330
[ 136.616028] __alloc_pages_noprof+0xe/0x20
[ 136.616038] ___kmalloc_large_node+0x80/0x110
[ 136.616072] __kmalloc_large_node_noprof+0x1d/0xa0
[ 136.616081] __kmalloc_noprof+0x32c/0x4c0
[ 136.616098] ? rss_prepare_get.constprop.0+0xb9/0x170
[ 136.616105] rss_prepare_get.constprop.0+0xb9/0x170
[ 136.616114] ethnl_default_doit+0x107/0x3d0
[ 136.616131] genl_family_rcv_msg_doit+0x100/0x160
[ 136.616147] genl_rcv_msg+0x1b8/0x2c0
[ 136.616156] ? __pfx_ethnl_default_doit+0x10/0x10
[ 136.616168] ? __pfx_genl_rcv_msg+0x10/0x10
[ 136.616176] netlink_rcv_skb+0x58/0x110
[ 136.616186] genl_rcv+0x28/0x40
[ 136.616195] netlink_unicast+0x19b/0x290
[ 136.616206] netlink_sendmsg+0x222/0x490
[ 136.616215] __sys_sendto+0x1fd/0x210
[ 136.616233] __x64_sys_sendto+0x24/0x30
[ 136.616242] do_syscall_64+0x82/0x160
[ 136.616252] ? __sys_recvmsg+0x83/0xe0
[ 136.616265] ? syscall_exit_to_user_mode+0x10/0x210
[ 136.616275] ? do_syscall_64+0x8e/0x160
[ 136.616282] ? __count_memcg_events+0xa1/0x130
[ 136.616295] ? count_memcg_events.constprop.0+0x1a/0x30
[ 136.616306] ? handle_mm_fault+0xae/0x2d0
[ 136.616319] ? do_user_addr_fault+0x379/0x670
[ 136.616328] ? clear_bhb_loop+0x45/0xa0
[ 136.616340] ? clear_bhb_loop+0x45/0xa0
[ 136.616349] ? clear_bhb_loop+0x45/0xa0
[ 136.616359] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 136.616369] RIP: 0033:0x7fd30ba7b047
[ 136.616376] Code: 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 80 3d bd d5 0c 00 00 41 89 ca 74 10 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 71 c3 55 48 83 ec 30 44 89 4c 24 2c 4c 89 44
[ 136.616381] RSP: 002b:00007ffde1796d68 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 136.616388] RAX: ffffffffffffffda RBX: 000055d7bd89f2a0 RCX: 00007fd30ba7b047
[ 136.616392] RDX: 0000000000000028 RSI: 000055d7bd89f3b0 RDI: 0000000000000003
[ 136.616396] RBP: 00007ffde1796e10 R08: 00007fd30bb4e200 R09: 000000000000000c
[ 136.616399] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d7bd89f340
[ 136.616403] R13: 000055d7bd89f3b0 R14: 000055d78943f200 R15: 0000000000000000
Fixes: 02cbfba1add5 ("idpf: add ethtool callbacks")
Reviewed-by: Ahmed Zaki <ahmed.zaki@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Samuel Salin <Samuel.salin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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In both the read callback for struct cyclecounter, and in struct
timecounter, struct cyclecounter is declared as a const pointer.
Unfortunatly, a number of users of this pointer treat it as a non-const
pointer as it is burried in a larger structure that is heavily modified by
the callback function when accessed. This lie had been hidden by the fact
that container_of() "casts away" a const attribute of a pointer without any
compiler warning happening at all.
Fix this all up by removing the const attribute in the needed places so
that everyone can see that the structure really isn't const, but can,
and is, modified by the users of it.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/2025070124-backyard-hurt-783a@gregkh
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If no PHY device is found (e.g., for LAN7801 in fixed-link mode),
lan78xx_phy_init() may proceed to dereference a NULL phydev pointer,
leading to a crash.
Update the logic to perform MAC configuration first, then check for the presence
of a PHY. For the fixed-link case, set up the fixed link and return early,
bypassing any code that assumes a valid phydev pointer.
It is safe to move lan78xx_mac_prepare_for_phy() earlier because this function
only uses information from dev->interface, which is configured by
lan78xx_get_phy() beforehand. The function does not access phydev or any data
set up by later steps.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Fixes: e110bc825897 ("net: usb: lan78xx: Convert to PHYLINK for improved PHY and MAC management")
Link: https://patch.msgid.link/20250626103731.3986545-1-o.rempel@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Remove redundant netif_napi_del() call from disconnect path.
A WARN may be triggered in __netif_napi_del_locked() during USB device
disconnect:
WARNING: CPU: 0 PID: 11 at net/core/dev.c:7417 __netif_napi_del_locked+0x2b4/0x350
This happens because netif_napi_del() is called in the disconnect path while
NAPI is still enabled. However, it is not necessary to call netif_napi_del()
explicitly, since unregister_netdev() will handle NAPI teardown automatically
and safely. Removing the redundant call avoids triggering the warning.
Full trace:
lan78xx 1-1:1.0 enu1: Failed to read register index 0x000000c4. ret = -ENODEV
lan78xx 1-1:1.0 enu1: Failed to set MAC down with error -ENODEV
lan78xx 1-1:1.0 enu1: Link is Down
lan78xx 1-1:1.0 enu1: Failed to read register index 0x00000120. ret = -ENODEV
------------[ cut here ]------------
WARNING: CPU: 0 PID: 11 at net/core/dev.c:7417 __netif_napi_del_locked+0x2b4/0x350
Modules linked in: flexcan can_dev fuse
CPU: 0 UID: 0 PID: 11 Comm: kworker/0:1 Not tainted 6.16.0-rc2-00624-ge926949dab03 #9 PREEMPT
Hardware name: SKOV IMX8MP CPU revC - bd500 (DT)
Workqueue: usb_hub_wq hub_event
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __netif_napi_del_locked+0x2b4/0x350
lr : __netif_napi_del_locked+0x7c/0x350
sp : ffffffc085b673c0
x29: ffffffc085b673c0 x28: ffffff800b7f2000 x27: ffffff800b7f20d8
x26: ffffff80110bcf58 x25: ffffff80110bd978 x24: 1ffffff0022179eb
x23: ffffff80110bc000 x22: ffffff800b7f5000 x21: ffffff80110bc000
x20: ffffff80110bcf38 x19: ffffff80110bcf28 x18: dfffffc000000000
x17: ffffffc081578940 x16: ffffffc08284cee0 x15: 0000000000000028
x14: 0000000000000006 x13: 0000000000040000 x12: ffffffb0022179e8
x11: 1ffffff0022179e7 x10: ffffffb0022179e7 x9 : dfffffc000000000
x8 : 0000004ffdde8619 x7 : ffffff80110bcf3f x6 : 0000000000000001
x5 : ffffff80110bcf38 x4 : ffffff80110bcf38 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 1ffffff0022179e7 x0 : 0000000000000000
Call trace:
__netif_napi_del_locked+0x2b4/0x350 (P)
lan78xx_disconnect+0xf4/0x360
usb_unbind_interface+0x158/0x718
device_remove+0x100/0x150
device_release_driver_internal+0x308/0x478
device_release_driver+0x1c/0x30
bus_remove_device+0x1a8/0x368
device_del+0x2e0/0x7b0
usb_disable_device+0x244/0x540
usb_disconnect+0x220/0x758
hub_event+0x105c/0x35e0
process_one_work+0x760/0x17b0
worker_thread+0x768/0xce8
kthread+0x3bc/0x690
ret_from_fork+0x10/0x20
irq event stamp: 211604
hardirqs last enabled at (211603): [<ffffffc0828cc9ec>] _raw_spin_unlock_irqrestore+0x84/0x98
hardirqs last disabled at (211604): [<ffffffc0828a9a84>] el1_dbg+0x24/0x80
softirqs last enabled at (211296): [<ffffffc080095f10>] handle_softirqs+0x820/0xbc8
softirqs last disabled at (210993): [<ffffffc080010288>] __do_softirq+0x18/0x20
---[ end trace 0000000000000000 ]---
lan78xx 1-1:1.0 enu1: failed to kill vid 0081/0
Fixes: ec4c7e12396b ("lan78xx: Introduce NAPI polling support")
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20250627051346.276029-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The counters of port MAC are all 64-bit registers, and the statistics of
ethtool are u64 type, so replace enetc_port_rd() with enetc_port_rd64()
to read 64-bit statistics.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250627021108.3359642-4-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Some counters in enetc_port_counters are 32-bit registers, and some are
64-bit registers. But in the current driver, they are all read through
enetc_port_rd(), which can only read a 32-bit value. Therefore, separate
64-bit counters (enetc_pm_counters) from enetc_port_counters and use
enetc_port_rd64() to read the 64-bit statistics.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250627021108.3359642-3-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The statistics of the ring are all unsigned int type, so the statistics
will overflow quickly under heavy traffic. In addition, the statistics
of struct net_device_stats are obtained from struct enetc_ring_stats,
but the statistics of net_device_stats are unsigned long type. So it is
better to keep the statistics types consistent in these two structures.
Considering these two factors, and the fact that both LS1028A and i.MX95
are arm64 architecture, the statistics of enetc_ring_stats are changed
to unsigned long type. Note that unsigned int and unsigned long are the
same thing on some systems, and on such systems there is no overflow
advantage of one over the other.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250627021108.3359642-2-wei.fang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the current implementation, IP coalescing is always enabled and
cannot be disabled.
As setting maximum frames to 0 or 1, or setting delay to zero implies
immediate delivery of single packets/IRQs, disable coalescing in
hardware in these cases.
This also guarantees that coalescing is never enabled with ICFT or ICTT
set to zero, a configuration that could lead to unpredictable behaviour
according to i.MX8MP reference manual.
Signed-off-by: Jonas Rebmann <jre@pengutronix.de>
Reviewed-by: Wei Fang <wei.fang@nxp.com>
Link: https://patch.msgid.link/20250626-fec_deactivate_coalescing-v2-1-0b217f2e80da@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There is a occasional problem that ping is failed between AML devices.
That is because the manual enablement of the security Tx path on the
hardware is missing, no matter what its previous state was.
Fixes: 6f8b4c01a8cd ("net: txgbe: Implement PHYLINK for AML 25G/10G devices")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/5BDFB14C57D1C42A+20250626085153.86122-1-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In rare cases, ath10k may lose connection with the PCIe bus due to
some unknown reasons, which could further lead to system crashes during
resuming due to watchdog timeout:
ath10k_pci 0000:01:00.0: wmi command 20486 timeout, restarting hardware
ath10k_pci 0000:01:00.0: already restarting
ath10k_pci 0000:01:00.0: failed to stop WMI vdev 0: -11
ath10k_pci 0000:01:00.0: failed to stop vdev 0: -11
ieee80211 phy0: PM: **** DPM device timeout ****
Call Trace:
panic+0x125/0x315
dpm_watchdog_set+0x54/0x54
dpm_watchdog_handler+0x57/0x57
call_timer_fn+0x31/0x13c
At this point, all WMI commands will timeout and attempt to restart
device. So set a threshold for consecutive restart failures. If the
threshold is exceeded, consider the hardware is unreliable and all
ath10k operations should be skipped to avoid system crash.
fail_cont_count and pending_recovery are atomic variables, and
do not involve complex conditional logic. Therefore, even if recovery
check and reconfig complete are executed concurrently, the recovery
mechanism will not be broken.
Tested-on: QCA6174 hw3.2 PCI WLAN.RM.4.4.1-00288-QCARMSWPZ-1
Signed-off-by: Kang Yang <kang.yang@oss.qualcomm.com>
Reviewed-by: Loic Poulain <loic.poulain@oss.qualcomm.com>
Link: https://patch.msgid.link/20250623022731.509-1-kang.yang@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Netlink code will want to perform the RSS_SET operation atomically
under the rss_lock. sfc wants to hold the rss_lock in rxfh_fields_get,
which makes that difficult. Lets move the locking up to the core
so that for all driver-facing callbacks rss_lock is taken consistently
by the core.
Link: https://patch.msgid.link/20250626202848.104457-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There is a potential NULL pointer dereference in zd_mac_tx_to_dev(). For
example, the following is possible:
T0 T1
zd_mac_tx_to_dev()
/* len == skb_queue_len(q) */
while (len > ZD_MAC_MAX_ACK_WAITERS) {
filter_ack()
spin_lock_irqsave(&q->lock, flags);
/* position == skb_queue_len(q) */
for (i=1; i<position; i++)
skb = __skb_dequeue(q)
if (mac->type == NL80211_IFTYPE_AP)
skb = __skb_dequeue(q);
spin_unlock_irqrestore(&q->lock, flags);
skb_dequeue() -> NULL
Since there is a small gap between checking skb queue length and skb being
unconditionally dequeued in zd_mac_tx_to_dev(), skb_dequeue() can return NULL.
Then the pointer is passed to zd_mac_tx_status() where it is dereferenced.
In order to avoid potential NULL pointer dereference due to situations like
above, check if skb is not NULL before passing it to zd_mac_tx_status().
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 459c51ad6e1f ("zd1211rw: port to mac80211")
Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru>
Link: https://patch.msgid.link/20250626114619.172631-1-d.dulov@aladdin.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently when xdp_rxq_info_reg_mem_model() fails in the XSK path, the
error handling incorrectly jumps to err_destroy_page_pool. While this
may not cause errors, we should make it jump to the correct location.
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Acked-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a TOP reset were to ever be erroneously requested on HW
prior to SC, the code warns and returns, but doesn't take
care to unlock the mutex in this case. Fix that.
Fixes: 909e1be65462 ("wifi: iwlwifi: implement TOP reset")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202506100707.WAnP5ePA-lkp@intel.com/
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250625204210.19a0378838b1.I6bdc58d4996e995e1358ad94d4cc5017f3abf47b@changeid
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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|
The error code was intended to be -EINVAL here, but it was accidentally
changed to returning success. Set the error code.
Fixes: e53ee4acb220 ("octeontx2-af: CN20k basic mbox operations and structures")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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The driver registered xdp_rxq_info structures via xdp_rxq_info_reg()
but failed to properly unregister them in error paths and during
removal.
Fixes: d678be1dc1ec ("dpaa2-eth: add XDP_REDIRECT support")
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://patch.msgid.link/20250626133003.80136-1-wangfushuai@baidu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The `dma_map_XXX()` functions can fail and must be checked using
`dma_mapping_error()`. This patch adds proper error handling for all
DMA mapping calls.
In `atl1_alloc_rx_buffers()`, if DMA mapping fails, the buffer is
deallocated and marked accordingly.
In `atl1_tx_map()`, previously mapped buffers are unmapped and the
packet is dropped on failure.
If `atl1_xmit_frame()` drops the packet, increment the tx_error counter.
Fixes: f3cc28c79760 ("Add Attansic L1 ethernet driver.")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Link: https://patch.msgid.link/20250625141629.114984-2-fourier.thomas@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Current implementation considers only first advertise
mode and passes the same to firmware to process.
This patch extends code such that user can advertise
multiple modes on the given interface.
Below are high level changes:
1. Remove unnecessary speed/duplex/autoneg validation as its
already verified as part of "set_link_ksettings"
2. Since scratch csr framework designed to support single mode at a time,
use "shared firmware data" for multi mode support.
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Link: https://patch.msgid.link/20250625092107.9746-4-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Kernel and firmware communicates via scratch register which is
64 bit in size.
[MODE_ID PORT AUTONEG DUPLEX SPEED CMD_ID OWNERSHIP ]
63-22 21-14 13 12 11-8 7-2 1-0
The existing MODE_ID bitmap can only support up to 42 modes.
To resolve the issue, the unused port field is modified as below
uint64_t reserved2:6;
uint64_t mode_group_idx:2;
'mode_group_idx' categorize the mode ID range to accommodate more modes.
To specify mode ID range of 0 - 41, this field will be 0.
To specify mode ID range of 42 - 83, this field will be 1.
mode ID will be still mentioned as 1 << (0 - 41). But the mode_group_idx
decides the actual mode range
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Link: https://patch.msgid.link/20250625092107.9746-3-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Current implementation maps ethtool link modes 10baseT/100baseT/1000baseT
to single firmware mode SGMII. This create a problem for end users who want
to advertise only one speed among them.
This patch addresses the issue by mapping each ethtool link mode
to a corresponding firmware mode also updates new modes supported
by firmware.
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Link: https://patch.msgid.link/20250625092107.9746-2-hkelam@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Implement reference sync input pin get/set callbacks, allow user space
control over dpll pin pairs capable of reference sync support.
Reviewed-by: Milena Olech <milena.olech@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Link: https://patch.msgid.link/20250626135219.1769350-4-arkadiusz.kubalewski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
ice: remaining TSPLL cleanups
These are the remaining patches from the "ice: Separate TSPLL from PTP
and cleanup" series [1] with control flow macros removed. What remains
are cleanups and some minor improvements.
[1] https://lore.kernel.org/netdev/20250618174231.3100231-1-anthony.l.nguyen@intel.com/
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
ice: default to TIME_REF instead of TXCO on E825-C
ice: move TSPLL init calls to ice_ptp.c
ice: fall back to TCXO on TSPLL lock fail
ice: wait before enabling TSPLL
ice: add multiple TSPLL helpers
ice: use bitfields instead of unions for CGU regs
ice: read TSPLL registers again before reporting status
ice: clear time_sync_en field for E825-C during reprogramming
====================
Link: https://patch.msgid.link/20250626162921.1173068-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The Rx rings are filled with Rx buffers. Which are supposed to fit
packet headers (or MTU if HW-GRO is disabled). The aggregation buffers
are filled with "device pages". Adjust the sizes of the page pool
recycling ring appropriately, based on ratio of the size of the
buffer on given ring vs system page size. Otherwise on a system
with 64kB pages we end up with >700MB of memory sitting in every
single page pool cache.
Correct the size calculation for the head_pool. Since the buffers
there are always small I'm pretty sure I meant to cap the size
at 1k, rather than make it the lowest possible size. With 64k pages
1k cache with a 1k ring is 64x larger than we need.
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20250626165441.4125047-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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interface creation
During interface creation, following print is observed on the console -
Timeout while waiting for regulatory update
This occurs due to commit 906619a00967 ("wifi: ath12k: handle regulatory
hints during mac registration"), which introduced a completion mechanism to
synchronize the regulatory update process. The intent behind this change is
to coordinate the timing between when the firmware sends regulatory data to
the driver and when the driver processes that data.
However, during interface addition, if the 6 GHz band is active, the driver
invokes ath12k_regd_update() to apply the appropriate 6 GHz power mode
regulatory settings. At this point, there is no interaction with the
firmware, so the completion object is not reinitialized. As a result,
wait_for_completion() eventually times out, leading to the observed error
log message.
Hence to fix this, move all complete() on regd_update_completed to
complete_all().
The complete() function signals only once, causing any subsequent waits
without reinitialization to timeout. In this scenario, since waiting is
unnecessary, complete_all() can be used instead, ensuring that subsequent
calls to wait without reinitialization will simply bail out and not
actually wait. This approach is ideal because if the firmware is not
involved, there is no need to wait for the completion event. However, if
the firmware is involved, it is guaranteed that the completion will be
reinitialized, and thus, it would wait.
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.5-01651-QCAHKSWPL_SILICONZ-1
Tested-by: Kang Yang <kang.yang@oss.qualcomm.com>
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Fixes: 906619a00967 ("wifi: ath12k: handle regulatory hints during mac registration")
Signed-off-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com>
Link: https://patch.msgid.link/20250626-fix_timeout_during_interface_creation-v1-1-90a7fdc222d4@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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Fix misspelling reported by codespell.
Signed-off-by: Sumanth Gavini <sumanth.gavini@yahoo.com>
Link: https://patch.msgid.link/20250522205701.393612-1-sumanth.gavini@yahoo.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
|
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Fix "trasmitting" to "transmitting"
Signed-off-by: Sumanth Gavini <sumanth.gavini@yahoo.com>
Link: https://patch.msgid.link/20250521055411.288724-1-sumanth.gavini@yahoo.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
|
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Fix "busses" to "buses"
Fix "Measurments" to "Measurements"
Signed-off-by: Sumanth Gavini <sumanth.gavini@yahoo.com>
Link: https://patch.msgid.link/20250521053323.284845-1-sumanth.gavini@yahoo.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
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|
Correct spelling as flagged by codespell.
Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Airoha AN7583 SoC have 2 dedicated MDIO bus controller in the SCU
register map. To driver register an MDIO controller based on the DT
reg property and access the register by accessing the parent syscon.
The MDIO bus logic is similar to the MT7530 internal MDIO bus but
deviates of some setting and some HW bug.
On Airoha AN7583 the MDIO clock is set to 25MHz by default and needs to
be correctly setup to 2.5MHz to correctly work (by setting the divisor
to 10x).
There seems to be Hardware bug where AN7583_MII_RWDATA
is not wiped in the context of unconnected PHY and the
previous read value is returned.
Example: (only one PHY on the BUS at 0x1f)
- read at 0x1f report at 0x2 0x7500
- read at 0x0 report 0x7500 on every address
To workaround this, we reset the Mdio BUS at every read
to have consistent values on read operation.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
airoha_qdma_fill_rx_queue()
Since the page_pool for airoha_eth driver is created with
PP_FLAG_DMA_SYNC_DEV flag, we do not need to sync_for_device each page
received from the pool since it is already done by the page_pool codebase.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Link: https://patch.msgid.link/20250625-airoha-sync-for-device-v1-1-923741deaabf@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Fix build errors when CONFIG_NET_SHAPER is disabled, including:
drivers/net/ethernet/microsoft/mana/mana_en.c:804:10: error:
'const struct net_device_ops' has no member named 'net_shaper_ops'
804 | .net_shaper_ops = &mana_shaper_ops,
drivers/net/ethernet/microsoft/mana/mana_en.c:804:35: error:
initialization of 'int (*)(struct net_device *, struct neigh_parms *)'
from incompatible pointer type 'const struct net_shaper_ops *'
[-Werror=incompatible-pointer-types]
804 | .net_shaper_ops = &mana_shaper_ops,
Signed-off-by: Erni Sri Satya Vennela <ernis@linux.microsoft.com>
Fixes: 75cabb46935b ("net: mana: Add support for net_shaper_ops")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506230625.bfUlqb8o-lkp@intel.com/
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/1750851355-8067-1-git-send-email-ernis@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
