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* net: phy: marvell-88q2xxx: remove duplicated assignment of pma_extableDimitri Fedrau2024-02-211-7/+1
| | | | | | | | | | | Remove assignment of phydev->pma_extable in mv88q222x_revb0_config_init. It is already done in mv88q2xxx_config_init, just call mv88q2xxx_config_init. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-14-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: marvell-88q2xxx: cleanup mv88q2xxx_config_initDimitri Fedrau2024-02-211-8/+1
| | | | | | | | | | | | | mv88q2xxx_config_init calls genphy_c45_read_pma which is done by mv88q2xxx_read_status, it calls also mv88q2xxx_config_aneg which is also called by the PHY state machine. Let the PHY state machine handle the phydriver ops in their intendend way. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Stefan Eichenberger <eichest@gmail.com> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-13-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: marvell-88q2xxx: switch to mv88q2xxx_config_anegDimitri Fedrau2024-02-211-12/+1
| | | | | | | | | | | Switch to mv88q2xxx_config_aneg for Marvell 88Q2220 devices and remove the mv88q222x_config_aneg function which is basically a copy of the mv88q2xxx_config_aneg function. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-12-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: marvell-88q2xxx: make mv88q2xxx_config_aneg genericDimitri Fedrau2024-02-211-1/+1
| | | | | | | | | | | | Marvell 88Q2xxx devices follow the same scheme, after configuration they need a soft reset. Soft resets differ between devices, so we use the .soft_reset callback instead of creating .config_aneg callbacks for each device. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-11-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: marvell-88q2xxx: add cable test supportDimitri Fedrau2024-02-211-0/+107
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add cable test support for Marvell 88Q222x devices. Reported distance granularity is 1m. 1m cable, open: Cable test started for device eth0. Cable test completed for device eth0. Pair A code Open Circuit Pair A, fault length: 1.00m 1m cable, shorted: Cable test started for device eth0. Cable test completed for device eth0. Pair A code Short within Pair Pair A, fault length: 1.00m 6m cable, open: Cable test started for device eth0. Cable test completed for device eth0. Pair A code Open Circuit Pair A, fault length: 6.00m 6m cable, shorted: Cable test started for device eth0. Cable test completed for device eth0. Pair A code Short within Pair Pair A, fault length: 6.00m Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20240218075753.18067-10-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: marvell-88q2xxx: add support for temperature sensorDimitri Fedrau2024-02-212-0/+147
| | | | | | | | | | | Marvell 88q2xxx devices have an inbuilt temperature sensor. Add hwmon support for this sensor. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-9-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: marvell-88q2xxx: add suspend / resume opsDimitri Fedrau2024-02-211-0/+34
| | | | | | | | | Add suspend/resume ops for Marvell 88Q2xxx devices. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-8-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: marvell-88q2xxx: add interrupt support for link detectionDimitri Fedrau2024-02-211-4/+119
| | | | | | | | | | | Added .config_intr and .handle_interrupt callbacks. Whenever the link goes up or down an interrupt will be triggered. Interrupts are configured separately for 100/1000BASET1. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-7-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: marvell-88q2xxx: add driver for the Marvell 88Q2220 PHYDimitri Fedrau2024-02-212-6/+205
| | | | | | | | | | | | Add a driver for the Marvell 88Q2220. This driver allows to detect the link, switch between 100BASE-T1 and 1000BASE-T1 and switch between master and slave mode. Autonegotiation is supported. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Gregor Herburger <gregor.herburger@ew.tq-group.com> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-6-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: marvell-88q2xxx: fix typosDimitri Fedrau2024-02-211-11/+17
| | | | | | | | | | | | Rename mv88q2xxxx_get_sqi to mv88q2xxx_get_sqi and mv88q2xxxx_get_sqi_max to mv88q2xxx_get_sqi_max. Fix linebreaks and use everywhere hexadecimal numbers written with lowercase letters instead of mixing it up. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-5-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: c45: detect 100/1000BASE-T1 linkmode advertisementsDimitri Fedrau2024-02-211-1/+2
| | | | | | | | | | Set 100BT1 and 1000BT1 linkmode advertisement bits to adv_l_mask to enable detection. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-4-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: Support 100/1000BT1 linkmode advertisementsDimitri Fedrau2024-02-211-0/+8
| | | | | | | | | | | Extend helper functions mii_t1_adv_m_mod_linkmode_t and linkmode_adv_to_mii_t1_adv_m_t to support 100BT1 and 1000BT1 linkmode advertisements. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-3-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: Add BaseT1 auto-negotiation constantsDimitri Fedrau2024-02-211-0/+2
| | | | | | | | | | Added constants for advertising 100BT1 and 1000BT1 in register BASE-T1 auto-negotiation advertisement register [31:16] (Register 7.515) Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com> Link: https://lore.kernel.org/r/20240218075753.18067-2-dima.fedrau@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* net: phy: mxl-gpy: fill in possible_interfaces for GPY21x chipsetRaju Lakkaraju2024-02-211-6/+14
| | | | | | | | | Fill in the possible_interfaces member. GPY21x phys support the SGMII and 2500base-X interfaces Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com> Link: https://lore.kernel.org/r/20240216054435.22380-1-Raju.Lakkaraju@microchip.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* Merge branch 'rework-genet-mdioclocking'David S. Miller2024-02-213-45/+57
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Florian Fainelli says: ==================== Rework GENET MDIO controller clocking This patch series reworks the way that we manage the GENET MDIO controller clocks around I/O accesses. During testing with a fully modular build where bcmgenet, mdio-bcm-unimac, and the Broadcom PHY driver (broadcom) are all loaded as modules, with no particular care being taken to order them to mimize deferred probing the following bus error was obtained: [ 4.344831] printk: console [ttyS0] enabled [ 4.351102] 840d000.serial: ttyS1 at MMIO 0x840d000 (irq = 29, base_baud = 5062500) is a Broadcom BCM7271 UART [ 4.363110] 840e000.serial: ttyS2 at MMIO 0x840e000 (irq = 30, base_baud = 5062500) is a Broadcom BCM7271 UART [ 4.387392] iproc-rng200 8402000.rng: hwrng registered [ 4.398012] Consider using thermal netlink events interface [ 4.403717] brcmstb_thermal a581500.thermal: registered AVS TMON of-sensor driver [ 4.440085] bcmgenet 8f00000.ethernet: GENET 5.0 EPHY: 0x0000 [ 4.482526] unimac-mdio unimac-mdio.0: Broadcom UniMAC MDIO bus [ 4.514019] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 4.551304] SError Interrupt on CPU2, code 0x00000000bf000002 -- SError [ 4.551324] CPU: 2 PID: 8 Comm: kworker/u8:0 Not tainted 6.1.53-0.1pre-g5a26d98e908c #2 [ 4.551330] Hardware name: BCM972180HB_V20 (DT) [ 4.551336] Workqueue: events_unbound deferred_probe_work_func [ 4.551363] pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 4.551368] pc : el1_abort+0x2c/0x58 [ 4.551376] lr : el1_abort+0x20/0x58 [ 4.551379] sp : ffffffc00a383960 [ 4.551380] x29: ffffffc00a383960 x28: ffffff80029fd780 x27: 0000000000000000 [ 4.551385] x26: 0000000000000000 x25: ffffff8002839005 x24: ffffffc00a1f9bd0 [ 4.551390] x23: 0000000040000005 x22: ffffffc000a48084 x21: ffffffc00a3dde14 [ 4.551394] x20: 0000000096000210 x19: ffffffc00a3839a0 x18: 0000000000000579 [ 4.551399] x17: 0000000000000000 x16: 0000000100000000 x15: ffffffc00a3838c0 [ 4.551403] x14: 000000000000000a x13: 6e69622f7273752f x12: 3a6e6962732f7273 [ 4.551408] x11: 752f3a6e69622f3a x10: 6e6962732f3d4854 x9 : ffffffc0086466a8 [ 4.551412] x8 : ffffff80049ee100 x7 : ffffff8003231938 x6 : 0000000000000000 [ 4.551416] x5 : 0000002200000000 x4 : ffffffc00a3839a0 x3 : 0000002000000000 [ 4.551420] x2 : 0000000000000025 x1 : 0000000096000210 x0 : 0000000000000000 [ 4.551429] Kernel panic - not syncing: Asynchronous SError Interrupt [ 4.551432] CPU: 2 PID: 8 Comm: kworker/u8:0 Not tainted 6.1.53-0.1pre-g5a26d98e908c #2 [ 4.551435] Hardware name: BCM972180HB_V20 (DT) [ 4.551437] Workqueue: events_unbound deferred_probe_work_func [ 4.551443] Call trace: [ 4.551445] dump_backtrace+0xe4/0x124 [ 4.551452] show_stack+0x1c/0x28 [ 4.551455] dump_stack_lvl+0x60/0x78 [ 4.551462] dump_stack+0x14/0x2c [ 4.551467] panic+0x134/0x304 [ 4.551472] nmi_panic+0x50/0x70 [ 4.551480] arm64_serror_panic+0x70/0x7c [ 4.551484] do_serror+0x2c/0x5c [ 4.551487] el1h_64_error_handler+0x2c/0x40 [ 4.551491] el1h_64_error+0x64/0x68 [ 4.551496] el1_abort+0x2c/0x58 [ 4.551499] el1h_64_sync_handler+0x8c/0xb4 [ 4.551502] el1h_64_sync+0x64/0x68 [ 4.551505] unimac_mdio_readl.isra.0+0x4/0xc [mdio_bcm_unimac] [ 4.551519] __mdiobus_read+0x2c/0x88 [ 4.551526] mdiobus_read+0x40/0x60 [ 4.551530] phy_read+0x18/0x20 [ 4.551534] bcm_phy_config_intr+0x20/0x84 [ 4.551537] phy_disable_interrupts+0x2c/0x3c [ 4.551543] phy_probe+0x80/0x1b0 [ 4.551545] really_probe+0x1b8/0x390 [ 4.551550] __driver_probe_device+0x134/0x14c [ 4.551554] driver_probe_device+0x40/0xf8 [ 4.551559] __device_attach_driver+0x108/0x11c [ 4.551563] bus_for_each_drv+0xa4/0xcc [ 4.551567] __device_attach+0xdc/0x190 [ 4.551571] device_initial_probe+0x18/0x20 [ 4.551575] bus_probe_device+0x34/0x94 [ 4.551579] deferred_probe_work_func+0xd4/0xe8 [ 4.551583] process_one_work+0x1ac/0x25c [ 4.551590] worker_thread+0x1f4/0x260 [ 4.551595] kthread+0xc0/0xd0 [ 4.551600] ret_from_fork+0x10/0x20 [ 4.551608] SMP: stopping secondary CPUs [ 4.551617] Kernel Offset: disabled [ 4.551619] CPU features: 0x00000,00c00080,0000420b [ 4.551622] Memory Limit: none [ 4.833838] ---[ end Kernel panic - not syncing: Asynchronous SError Interrupt ]--- The issue here is that we managed to probe the GENET controller, the mdio-bcm-unimac MDIO controller, but the PHY was still being held in a probe deferral state because it depended upon a GPIO controller provider not loaded yet. As soon as that provider is loaded however, the PHY continues to probe, tries to disable the interrupts, and this causes a MDIO transaction. That MDIO transaction requires I/O register accesses within the GENET's larger block, and since its clocks are turned off, the CPU gets a bus error signaled as a System Error. The patch series takes the simplest approach of keeping the clocks enabled just for the duration of the I/O accesses. This is also beneficial to other drivers like bcmasp2 which make use of the same MDIO controller driver. Changes in v2: - added missing ret assignment in the if (IS_ERR(priv->clk)) branch - added Jacob's R-by tags - corrected the commit ID being reverted in patch #3 ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * Revert "net: bcmgenet: Ensure MDIO unregistration has clocks enabled"Florian Fainelli2024-02-211-2/+0
| | | | | | | | | | | | | | | | | | | | | | This reverts commit 1b5ea7ffb7a3bdfffb4b7f40ce0d20a3372ee405 ("net: bcmgenet: Ensure MDIO unregistration has clocks enabled"). This is no longer necessary now that the MDIO bus controller has a clock that it can manage around the I/O accesses. Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: bcmgenet: Pass "main" clock down to the MDIO driverFlorian Fainelli2024-02-211-0/+4
| | | | | | | | | | | | | | | | | | | | | | GENET has historically had to create a MDIO platform device for its controller and pass some auxiliary data to it, like a MDIO completion callback. Now we also pass the "main" clock to allow for the MDIO bus controller to manage that clock adequately around I/O accesses. Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * net: mdio: mdio-bcm-unimac: Manage clock around I/O accessesFlorian Fainelli2024-02-212-43/+53
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Up until now we have managed not to have the mdio-bcm-unimac manage its clock except during probe and suspend/resume. This works most of the time, except where it does not. With a fully modular build, we can get into a situation whereby the GENET driver is fully registered, and so is the mdio-bcm-unimac driver, however the Ethernet PHY driver is not yet, because it depends on a resource that is not yet available (e.g.: GPIO provider). In that state, the network device is not usable yet, and so to conserve power, the GENET driver will have turned off its "main" clock which feeds its MDIO controller. When the PHY driver finally probes however, we make an access to the PHY registers to e.g.: disable interrupts, and this causes a bus error within the MDIO controller space because the MDIO controller clock(s) are turned off. To remedy that, we manage the clock around all of the I/O accesses to the hardware which are done exclusively during read, write and clock divider configuration. This ensures that the register space is accessible, and this also ensures that there are not unnecessarily elevated reference counts keeping the clocks active when the network device is administratively turned off. It would be the case with the previous way of managing the clock. Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: wan: framer: remove children from struct framer_ops kdocSimon Horman2024-02-211-1/+0
| | | | | | | | | | | Remove documentation of non-existent children field from the Kernel doc for struct framer_ops. Introduced by 82c944d05b1a ("net: wan: Add framer framework support") Signed-off-by: Simon Horman <horms@kernel.org> Acked-by: Herve Codina <herve.codina@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge tag 'wireless-next-2024-02-20' of ↵David S. Miller2024-02-21306-7272/+18906
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next Kalle Valo says: ==================== wireless-next patches for v6.9 The second "new features" pull request for v6.9. Lots of iwlwifi and stack changes this time. And naturally smaller changes to other drivers. We also twice merged wireless into wireless-next to avoid conflicts between the trees. Major changes: stack * mac80211: negotiated TTLM request support * SPP A-MSDU support * mac80211: wider bandwidth OFDMA config support iwlwifi * kunit tests * bump FW API to 89 for AX/BZ/SC devices * enable SPP A-MSDUs * support for new devices ath12k * refactoring in preparation for Multi-Link Operation (MLO) support * 1024 Block Ack window size support * provide firmware wmi logs via a trace event ath11k * 36 bit DMA mask support * support 6 GHz station power modes: Low Power Indoor (LPI), Standard Power) SP and Very Low Power (VLP) rtl8xxxu * TP-Link TL-WN823N V2 support ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * wifi: wilc1000: add missing read critical sections around vif list traversalAjay Singh2024-02-192-25/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some code manipulating the vif list is still missing some srcu_read_lock / srcu_read_unlock, and so can trigger RCU warnings: ============================= WARNING: suspicious RCU usage 6.8.0-rc1+ #37 Not tainted ----------------------------- drivers/net/wireless/microchip/wilc1000/hif.c:110 RCU-list traversed without holding the required lock!! [...] stack backtrace: CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 6.8.0-rc1+ #37 Hardware name: Atmel SAMA5 Workqueue: events sdio_irq_work unwind_backtrace from show_stack+0x18/0x1c show_stack from dump_stack_lvl+0x34/0x58 dump_stack_lvl from wilc_get_vif_from_idx+0x158/0x180 wilc_get_vif_from_idx from wilc_network_info_received+0x80/0x48c wilc_network_info_received from wilc_handle_isr+0xa10/0xd30 wilc_handle_isr from wilc_sdio_interrupt+0x44/0x58 wilc_sdio_interrupt from process_sdio_pending_irqs+0x1c8/0x60c process_sdio_pending_irqs from sdio_irq_work+0x6c/0x14c sdio_irq_work from process_one_work+0x8d4/0x169c process_one_work from worker_thread+0x8cc/0x1340 worker_thread from kthread+0x448/0x510 kthread from ret_from_fork+0x14/0x28 Fix those warnings by adding the needed lock around the corresponding critical sections Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Co-developed-by: Alexis Lothoré <alexis.lothore@bootlin.com> Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240215-wilc_fix_rcu_usage-v1-4-f610e46c6f82@bootlin.com
| * wifi: wilc1000: fix declarations orderingAlexis Lothoré2024-02-192-11/+11
| | | | | | | | | | | | | | | | | | Fix reverse-christmas tree order in some functions before adding more variables Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240215-wilc_fix_rcu_usage-v1-3-f610e46c6f82@bootlin.com
| * wifi: wilc1000: use SRCU instead of RCU for vif list traversalAlexis Lothoré2024-02-195-10/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enabling CONFIG_PROVE_RCU_LIST raises many warnings in wilc driver, even on some places already protected by a read critical section. An example of such case is in wilc_get_available_idx: ============================= WARNING: suspicious RCU usage 6.8.0-rc1+ #32 Not tainted ----------------------------- drivers/net/wireless/microchip/wilc1000/netdev.c:944 RCU-list traversed in non-reader section!! [...] stack backtrace: CPU: 0 PID: 26 Comm: kworker/0:3 Not tainted 6.8.0-rc1+ #32 Hardware name: Atmel SAMA5 Workqueue: events_freezable mmc_rescan unwind_backtrace from show_stack+0x18/0x1c show_stack from dump_stack_lvl+0x34/0x58 dump_stack_lvl from wilc_netdev_ifc_init+0x788/0x8ec wilc_netdev_ifc_init from wilc_cfg80211_init+0x690/0x910 wilc_cfg80211_init from wilc_sdio_probe+0x168/0x490 wilc_sdio_probe from sdio_bus_probe+0x230/0x3f4 sdio_bus_probe from really_probe+0x270/0xdf4 really_probe from __driver_probe_device+0x1dc/0x580 __driver_probe_device from driver_probe_device+0x60/0x140 driver_probe_device from __device_attach_driver+0x268/0x364 __device_attach_driver from bus_for_each_drv+0x15c/0x1cc bus_for_each_drv from __device_attach+0x1ec/0x3e8 __device_attach from bus_probe_device+0x190/0x1c0 bus_probe_device from device_add+0x10dc/0x18e4 device_add from sdio_add_func+0x1c0/0x2c0 sdio_add_func from mmc_attach_sdio+0xa08/0xe1c mmc_attach_sdio from mmc_rescan+0xa00/0xfe0 mmc_rescan from process_one_work+0x8d4/0x169c process_one_work from worker_thread+0x8cc/0x1340 worker_thread from kthread+0x448/0x510 kthread from ret_from_fork+0x14/0x28 This warning is due to the section being protected by a srcu critical read section, but the list traversal being done with classic RCU API. Fix the warning by using corresponding SRCU read lock/unlock APIs. While doing so, since we always manipulate the same list (managed through a pointer embedded in struct_wilc), add a macro to reduce the corresponding boilerplate in each call site. Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240215-wilc_fix_rcu_usage-v1-2-f610e46c6f82@bootlin.com
| * wifi: wilc1000: split deeply nested RCU list traversal in dedicated helperAlexis Lothoré2024-02-191-11/+14
| | | | | | | | | | | | | | | | | | Move netif_wake_queue and its surrounding RCU operations in a dedicated function to clarify wilc_txq_task and ease refactoring Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240215-wilc_fix_rcu_usage-v1-1-f610e46c6f82@bootlin.com
| * wifi: rtw89: 8922a: add helper of set_channelPing-Ke Shih2024-02-193-0/+76
| | | | | | | | | | | | | | | | | | | | Reset hardware state to prevent hardware stays at abnormal state during setting channel. Besides, add preparation for MLO/DBCC before setting channel, and reconfigure registers after that. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240215055741.14148-5-pkshih@realtek.com
| * wifi: rtw89: 8922a: add set_channel RF partPing-Ke Shih2024-02-196-0/+208
| | | | | | | | | | | | | | | | | | | | Configure RF registers according to band, channel, bandwidth. Since this chip will support MLO, it needs check the operating mode to decide paths we are going to configure. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240215055741.14148-4-pkshih@realtek.com
| * wifi: rtw89: 8922a: add set_channel BB partPing-Ke Shih2024-02-192-0/+427
| | | | | | | | | | | | | | | | | | In additional to configure band, channel and bandwidth registers, it also configure CCK support on 2GHZ band, spur elimination, and RX gain. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240215055741.14148-3-pkshih@realtek.com
| * wifi: rtw89: 8922a: add set_channel MAC partPing-Ke Shih2024-02-194-1/+173
| | | | | | | | | | | | | | | | | | | | To set channel, add a function to get TXSB (TX subband) that is hardware index to indicate primary channel. Then, configure band, channel, bandwidth and TXSB via registers. Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240215055741.14148-2-pkshih@realtek.com
| * wifi: brcmsmac: avoid function pointer castsArnd Bergmann2024-02-163-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | An old cleanup went a little too far and causes a warning with clang-16 and higher as it breaks control flow integrity (KCFI) rules: drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c:64:34: error: cast from 'void (*)(struct brcms_phy *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict] 64 | brcms_init_timer(physhim->wl, (void (*)(void *))fn, | ^~~~~~~~~~~~~~~~~~~~ Change this one instance back to passing a void pointer so it can be used with the timer callback interface. Fixes: d89a4c80601d ("staging: brcm80211: removed void * from softmac phy") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240213100548.457854-1-arnd@kernel.org
| * wifi: rtlwifi: rtl_usb: Store the endpoint addressesBitterblue Smith2024-02-156-45/+68
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | And use the stored addresses in rtl8192cu instead of hardcoding them. This is what the vendor drivers do. Perhaps this is not strictly necessary for RTL8192CU devices. However, the dual mac version of RTL8192DU has two USB interfaces, each with its own set of endpoints. Hardcoding their addresses in the upcoming rtl8192du driver would require making some assumptions which I'm not qualified to make. Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Acked-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/7b6a602a-6101-4bab-958d-bcff4d565b40@gmail.com
| * wifi: rtlwifi: rtl8192cu: Fix 2T2R chip type detectionBitterblue Smith2024-02-152-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rtl8192cu handles 1T1R devices (RTL8188CUS), 1T2R devices (RTL8191CU), and 2T2R devices (RTL8192CU). The 2T2R devices were incorrectly detected as 1T2R because of a mistake in the IS_92C_1T2R macro. The visible effect of this is that the firmware was allowed to use TX rates only up to MCS7. Fix the IS_92C_1T2R macro. Now my 2T2R device has much better upload speed. Before: 46 Mbps. After: 82 Mbps. Also fix a debug message which was printing "RF_1T1R" even for 1T2R chips. Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com> Acked-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/ed960059-5c77-422d-ac4e-fe9fc9d0d296@gmail.com
| * wifi: rtw89: fw: remove unnecessary rcu_read_unlock() for puncturedPing-Ke Shih2024-02-151-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | The rcu_read_unlock() is accidentally added, and sparse warn: drivers/net/wireless/realtek/rtw89/fw.c:2807:17: warning: context imbalance in 'rtw89_fw_h2c_assoc_cmac_tbl_g7' - unexpected unlock Fixes: b82730bf57b5 ("wifi: cfg80211/mac80211: move puncturing into chandef") Cc: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240213122556.9593-1-pkshih@realtek.com
| * wifi: rtw89: 8922a: declare to support two chanctxZong-Zhe Yang2024-02-151-1/+1
| | | | | | | | | | | | | | | | | | | | We are going to allow MCC (multi-channel concurrency) on RTL8922A. So, increase 8922a::support_chanctx_num up to 2 first. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240213073514.23796-6-pkshih@realtek.com
| * wifi: rtw89: chan: support MCC on Wi-Fi 7 chipsZong-Zhe Yang2024-02-152-27/+420
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Wi-Fi 7 chips, concurrent stuffs are supported by FW MRC series (multi-role concurrent) functions. And, driver has implemented the corresponding SW handling in patches in front of this one. Now, we extend SW MCC (multi-channel concurrent) flow to work on Wi-Fi 7 chips. In SW point of view, things look as below. | SW | | FW func | | | | H2C/C2H | -------------------------------------------- | | ax | | | /----| FW MCC func | | MCC | -- chip --+ | | | \----| FW MRC func | | | be | Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240213073514.23796-5-pkshih@realtek.com
| * wifi: rtw89: fw: implement MRC H2C command functionsZong-Zhe Yang2024-02-152-0/+460
| | | | | | | | | | | | | | | | | | | | | | | | Implement MRC (multiple role concurrent) H2C commands. Mainly deal with H2C format, LE type built from CPU value, default setting on some fields, and then sending the command to FW. Besides, MRC start, MRC delete, and MRC request TSF need to wait for a report from C2H events. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240213073514.23796-4-pkshih@realtek.com
| * wifi: rtw89: mac: implement MRC C2H event handlingZong-Zhe Yang2024-02-154-1/+112
| | | | | | | | | | | | | | | | | | | | | | Add handling of MRC (multiple role concurrent) C2H events including TSF report and status report. Parse report data and then complete the corresponding H2C commands, which will be implemented in the following. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240213073514.23796-3-pkshih@realtek.com
| * wifi: rtw89: fw: add definition of H2C command and C2H event for MRC seriesZong-Zhe Yang2024-02-152-6/+190
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For Wi-Fi 7 chips, FW supports MRC (multi-role concurrent) functions including H2C commands and C2H events. We can consider FW MRC functions as a superset of FW MCC (multi-channel concurrent) functions. And, MRC functions can take MLO things into account. Basically before MLO, SW can also manipulate FW MRC to work original SW MCC flow. So, we add them first and implement the handling in the following. And then, SW MCC will call different series of FW functions according to chip later. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240213073514.23796-2-pkshih@realtek.com
| * wifi: wilc1000: validate chip id during bus probeDavid Mosberger-Tang2024-02-153-20/+59
| | | | | | | | | | | | | | | | | | | | | | | | Previously, the driver created a net device (typically wlan0) as soon as the module was loaded. This commit changes the driver to follow normal Linux convention of creating the net device only when bus probing detects a supported chip. Signed-off-by: David Mosberger-Tang <davidm@egauge.net> Tested-By: Alexis Lothoré <alexis.lothore@bootlin.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240212202057.3468714-1-davidm@egauge.net
| * wifi: wilc1000: prevent use-after-free on vif when cleaning up all interfacesAlexis Lothoré2024-02-151-21/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | wilc_netdev_cleanup currently triggers a KASAN warning, which can be observed on interface registration error path, or simply by removing the module/unbinding device from driver: echo spi0.1 > /sys/bus/spi/drivers/wilc1000_spi/unbind ================================================================== BUG: KASAN: slab-use-after-free in wilc_netdev_cleanup+0x508/0x5cc Read of size 4 at addr c54d1ce8 by task sh/86 CPU: 0 PID: 86 Comm: sh Not tainted 6.8.0-rc1+ #117 Hardware name: Atmel SAMA5 unwind_backtrace from show_stack+0x18/0x1c show_stack from dump_stack_lvl+0x34/0x58 dump_stack_lvl from print_report+0x154/0x500 print_report from kasan_report+0xac/0xd8 kasan_report from wilc_netdev_cleanup+0x508/0x5cc wilc_netdev_cleanup from wilc_bus_remove+0xc8/0xec wilc_bus_remove from spi_remove+0x8c/0xac spi_remove from device_release_driver_internal+0x434/0x5f8 device_release_driver_internal from unbind_store+0xbc/0x108 unbind_store from kernfs_fop_write_iter+0x398/0x584 kernfs_fop_write_iter from vfs_write+0x728/0xf88 vfs_write from ksys_write+0x110/0x1e4 ksys_write from ret_fast_syscall+0x0/0x1c [...] Allocated by task 1: kasan_save_track+0x30/0x5c __kasan_kmalloc+0x8c/0x94 __kmalloc_node+0x1cc/0x3e4 kvmalloc_node+0x48/0x180 alloc_netdev_mqs+0x68/0x11dc alloc_etherdev_mqs+0x28/0x34 wilc_netdev_ifc_init+0x34/0x8ec wilc_cfg80211_init+0x690/0x910 wilc_bus_probe+0xe0/0x4a0 spi_probe+0x158/0x1b0 really_probe+0x270/0xdf4 __driver_probe_device+0x1dc/0x580 driver_probe_device+0x60/0x140 __driver_attach+0x228/0x5d4 bus_for_each_dev+0x13c/0x1a8 bus_add_driver+0x2a0/0x608 driver_register+0x24c/0x578 do_one_initcall+0x180/0x310 kernel_init_freeable+0x424/0x484 kernel_init+0x20/0x148 ret_from_fork+0x14/0x28 Freed by task 86: kasan_save_track+0x30/0x5c kasan_save_free_info+0x38/0x58 __kasan_slab_free+0xe4/0x140 kfree+0xb0/0x238 device_release+0xc0/0x2a8 kobject_put+0x1d4/0x46c netdev_run_todo+0x8fc/0x11d0 wilc_netdev_cleanup+0x1e4/0x5cc wilc_bus_remove+0xc8/0xec spi_remove+0x8c/0xac device_release_driver_internal+0x434/0x5f8 unbind_store+0xbc/0x108 kernfs_fop_write_iter+0x398/0x584 vfs_write+0x728/0xf88 ksys_write+0x110/0x1e4 ret_fast_syscall+0x0/0x1c [...] David Mosberger-Tan initial investigation [1] showed that this use-after-free is due to netdevice unregistration during vif list traversal. When unregistering a net device, since the needs_free_netdev has been set to true during registration, the netdevice object is also freed, and as a consequence, the corresponding vif object too, since it is attached to it as private netdevice data. The next occurrence of the loop then tries to access freed vif pointer to the list to move forward in the list. Fix this use-after-free thanks to two mechanisms: - navigate in the list with list_for_each_entry_safe, which allows to safely modify the list as we go through each element. For each element, remove it from the list with list_del_rcu - make sure to wait for RCU grace period end after each vif removal to make sure it is safe to free the corresponding vif too (through unregister_netdev) Since we are in a RCU "modifier" path (not a "reader" path), and because such path is expected not to be concurrent to any other modifier (we are using the vif_mutex lock), we do not need to use RCU list API, that's why we can benefit from list_for_each_entry_safe. [1] https://lore.kernel.org/linux-wireless/ab077dbe58b1ea5de0a3b2ca21f275a07af967d2.camel@egauge.net/ Fixes: 8399918f3056 ("staging: wilc1000: use RCU list to maintain vif interfaces list") Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://msgid.link/20240212-wilc_rework_deinit-v1-1-9203ae56c27f@bootlin.com
| * wifi: cfg80211: use IEEE80211_MAX_MESH_ID_LEN appropriatelyJohannes Berg2024-02-152-5/+1
| | | | | | | | | | | | | | | | Even if that's the same as IEEE80211_MAX_SSID_LEN, we really should just use IEEE80211_MAX_MESH_ID_LEN for mesh, rather than having the BUILD_BUG_ON()s. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * wifi: iwlwifi: cancel session protection only if there is oneMiri Korenblit2024-02-151-4/+12
| | | | | | | | | | | | | | | | | | | | | | | | mac80211 might (due to an unavoidable race) cancel a ROC that has already expired. In that case the driver should not send the session protection cmd to cancel the ROC. When session protection is supported, the te_data::id field is reused to save the configuration id. Check it before sending the cmd. Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240205211151.30176bf869d9.Id811c20d3746b870cbe0c946bbfe1c0ab0a290cb@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * wifi: iwlwifi: mvm: remove IWL_MVM_STATUS_NEED_FLUSH_P2PMiri Korenblit2024-02-152-55/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is set when a P2P ROC ends, and uses as an indication inside iwl_mvm_roc_done_wk that the resources used for this ROC (sta/link) needs to be flushed/deactivated (respectively). But we also have IWL_MVM_STATUS_ROC_RUNNING, which is set whenever P2P ROC starts, and is not even used in iwl_mvm_roc_done_wk. Use IWL_MVM_STATUS_ROC_RUNNING as an indicator, and remove the redundant bit. While at it, add a call to synchronize_net also for the AUX ROC case, which is missing in the existing code. Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240205211151.0494f75de311.Ic4aacacf7581a5c9046c4f1df87cbb67470853e7@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * Merge wireless into wireless-nextJohannes Berg2024-02-156-18/+79
| |\ | | | | | | | | | | | | | | | | | | | | | There's a conflict already and some upcoming changes also depend on changes in wireless for being conflict- free, so pull wireless in to make all that easier. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | wifi: iwlwifi: mvm: check own capabilities for EMLSRJohannes Berg2024-02-121-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There may be different hardware or configurations supported, so check for our own EMLSR capability before allowing it to be used, in addition to checking the AP's. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240208185302.036443611696.If33caabd7cf372834287863b40b2d6d1ef1ca3f7@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | wifi: iwlwifi: bump FW API to 89 for AX/BZ/SC devicesMiri Korenblit2024-02-123-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | Start supporting API version 89 for new devices. Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240208185302.b5d0c18c3dad.I55d5bd15638970d27b30b38e9ef47cddf6ba715e@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | wifi: iwlwifi: iwl-trans.h: clean up kernel-docJohannes Berg2024-02-121-13/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add missing kernel-doc, fix annotations, etc. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240208185302.a66b5cad363b.I3ee4522ac34c3e5984fce5c1cb677fb3db7a965b@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | wifi: iwlwifi: fw: file: clean up kernel-docJohannes Berg2024-02-121-3/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add missing kernel-doc and otherwise fix things. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240208185302.c41fddd32c18.I1978ed9aa0484b37504f2bd4614ae0f620821f81@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | wifi: iwlwifi: api: dbg-tlv: fix up kernel-docJohannes Berg2024-02-121-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Some things are misnamed or missing, fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240208185302.895a2daa0e17.I4d4bdc4ebaf4bfef113a7e6c83848f5a4fb52977@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | wifi: iwlwifi: error-dump: fix kernel-doc issuesJohannes Berg2024-02-121-10/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add missing and rename mismatched kernel-doc descriptions. Also just remove the unused IWL_FW_ERROR_DUMP_MAX constant. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240208185302.b4706117c97b.I5151b055dcf23ccab3ea7cd7d654aeb621cd5119@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * | wifi: iwlwifi: mvm: fix thermal kernel-docJohannes Berg2024-02-121-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was misnamed, fix it. Also add a space to make it look cleaner. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://msgid.link/20240208185302.5eb9f05fbfe2.Id0a4df70f21e7e6d079a7a2084b748ab499b828c@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-21 14:58:42 +0000