- 01 Oct, 2020 9 commits
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Wen Gong authored
With SLUB DEBUG CONFIG below crash is seen as kmem_cache_alloc is being called in non-atomic context. To fix this issue, use GFP_ATOMIC instead of GFP_KERNEL kzalloc. [ 357.217088] BUG: sleeping function called from invalid context at mm/slab.h:498 [ 357.217091] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/0 [ 357.217092] INFO: lockdep is turned off. [ 357.217095] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.9.0-rc5-wt-ath+ #196 [ 357.217096] Hardware name: Intel(R) Client Systems NUC8i7HVK/NUC8i7HVB, BIOS HNKBLi70.86A.0049.2018.0801.1601 08/01/2018 [ 357.217097] Call Trace: [ 357.217098] <IRQ> [ 357.217107] ? ath11k_dp_htt_get_ppdu_desc+0xa9/0x170 [ath11k] [ 357.217110] dump_stack+0x77/0xa0 [ 357.217113] ___might_sleep.cold+0xa6/0xb6 [ 357.217116] kmem_cache_alloc_trace+0x1f2/0x270 [ 357.217122] ath11k_dp_htt_get_ppdu_desc+0xa9/0x170 [ath11k] [ 357.217129] ath11k_htt_pull_ppdu_stats.isra.0+0x96/0x270 [ath11k] [ 357.217135] ath11k_dp_htt_htc_t2h_msg_handler+0xe7/0x1d0 [ath11k] [ 357.217137] ? trace_hardirqs_on+0x1c/0x100 [ 357.217143] ath11k_htc_rx_completion_handler+0x207/0x370 [ath11k] [ 357.217149] ath11k_ce_recv_process_cb+0x15e/0x1e0 [ath11k] [ 357.217151] ? handle_irq_event+0x70/0xa8 [ 357.217154] ath11k_pci_ce_tasklet+0x10/0x30 [ath11k_pci] [ 357.217157] tasklet_action_common.constprop.0+0xd4/0xf0 [ 357.217160] __do_softirq+0xc9/0x482 [ 357.217162] asm_call_on_stack+0x12/0x20 [ 357.217163] </IRQ> [ 357.217166] do_softirq_own_stack+0x49/0x60 [ 357.217167] irq_exit_rcu+0x9a/0xd0 [ 357.217169] common_interrupt+0xa1/0x190 [ 357.217171] asm_common_interrupt+0x1e/0x40 [ 357.217173] RIP: 0010:cpu_idle_poll.isra.0+0x2e/0x60 [ 357.217175] Code: 8b 35 26 27 74 69 e8 11 c8 3d ff e8 bc fa 42 ff e8 e7 9f 4a ff fb 65 48 8b 1c 25 80 90 01 00 48 8b 03 a8 08 74 0b eb 1c f3 90 <48> 8b 03 a8 08 75 13 8b 0 [ 357.217177] RSP: 0018:ffffffff97403ee0 EFLAGS: 00000202 [ 357.217178] RAX: 0000000000000001 RBX: ffffffff9742b8c0 RCX: 0000000000b890ca [ 357.217180] RDX: 0000000000b890ca RSI: 0000000000000001 RDI: ffffffff968d0c49 [ 357.217181] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 357.217182] R10: ffffffff9742b8c0 R11: 0000000000000046 R12: 0000000000000000 [ 357.217183] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000066fdf520 [ 357.217186] ? cpu_idle_poll.isra.0+0x19/0x60 [ 357.217189] do_idle+0x5f/0xe0 [ 357.217191] cpu_startup_entry+0x14/0x20 [ 357.217193] start_kernel+0x443/0x464 [ 357.217196] secondary_startup_64+0xa4/0xb0 Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by:
Wen Gong <wgong@codeaurora.org> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/1601399736-3210-8-git-send-email-kvalo@codeaurora.org
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Wen Gong authored
After base_lock which occupy by ath11k_regd_update, the softirq run for WMI_REG_CHAN_LIST_CC_EVENTID maybe arrived and it also need to accuire the spin lock, then deadlock happend, change to disable softirqis to solve it. [ 235.576990] ================================ [ 235.576991] WARNING: inconsistent lock state [ 235.576993] 5.9.0-rc5-wt-ath+ #196 Not tainted [ 235.576994] -------------------------------- [ 235.576995] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 235.576997] kworker/u16:1/98 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 235.576998] ffff9655f75cad98 (&ab->base_lock){+.?.}-{2:2}, at: ath11k_regd_update+0x28/0x1d0 [ath11k] [ 235.577009] {IN-SOFTIRQ-W} state was registered at: [ 235.577013] __lock_acquire+0x219/0x6e0 [ 235.577015] lock_acquire+0xb6/0x270 [ 235.577018] _raw_spin_lock+0x2c/0x70 [ 235.577023] ath11k_reg_chan_list_event.isra.0+0x10d/0x1e0 [ath11k] [ 235.577028] ath11k_wmi_tlv_op_rx+0x3c3/0x560 [ath11k] [ 235.577033] ath11k_htc_rx_completion_handler+0x207/0x370 [ath11k] [ 235.577039] ath11k_ce_recv_process_cb+0x15e/0x1e0 [ath11k] [ 235.577041] ath11k_pci_ce_tasklet+0x10/0x30 [ath11k_pci] [ 235.577043] tasklet_action_common.constprop.0+0xd4/0xf0 [ 235.577045] __do_softirq+0xc9/0x482 [ 235.577046] asm_call_on_stack+0x12/0x20 [ 235.577048] do_softirq_own_stack+0x49/0x60 [ 235.577049] irq_exit_rcu+0x9a/0xd0 [ 235.577050] common_interrupt+0xa1/0x190 [ 235.577052] asm_common_interrupt+0x1e/0x40 [ 235.577053] cpu_idle_poll.isra.0+0x2e/0x60 [ 235.577055] do_idle+0x5f/0xe0 [ 235.577056] cpu_startup_entry+0x14/0x20 [ 235.577058] start_kernel+0x443/0x464 [ 235.577060] secondary_startup_64+0xa4/0xb0 [ 235.577061] irq event stamp: 432035 [ 235.577063] hardirqs last enabled at (432035): [<ffffffff968d12b4>] _raw_spin_unlock_irqrestore+0x34/0x40 [ 235.577064] hardirqs last disabled at (432034): [<ffffffff968d10d3>] _raw_spin_lock_irqsave+0x63/0x80 [ 235.577066] softirqs last enabled at (431998): [<ffffffff967115c1>] inet6_fill_ifla6_attrs+0x3f1/0x430 [ 235.577067] softirqs last disabled at (431996): [<ffffffff9671159f>] inet6_fill_ifla6_attrs+0x3cf/0x430 [ 235.577068] [ 235.577068] other info that might help us debug this: [ 235.577069] Possible unsafe locking scenario: [ 235.577069] [ 235.577070] CPU0 [ 235.577070] ---- [ 235.577071] lock(&ab->base_lock); [ 235.577072] <Interrupt> [ 235.577073] lock(&ab->base_lock); [ 235.577074] [ 235.577074] *** DEADLOCK *** [ 235.577074] [ 235.577075] 3 locks held by kworker/u16:1/98: [ 235.577076] #0: ffff9655f75b1d48 ((wq_completion)ath11k_qmi_driver_event){+.+.}-{0:0}, at: process_one_work+0x1d3/0x5d0 [ 235.577079] #1: ffffa33cc02f3e70 ((work_completion)(&ab->qmi.event_work)){+.+.}-{0:0}, at: process_one_work+0x1d3/0x5d0 [ 235.577081] #2: ffff9655f75cad50 (&ab->core_lock){+.+.}-{3:3}, at: ath11k_core_qmi_firmware_ready.part.0+0x4e/0x160 [ath11k] [ 235.577087] [ 235.577087] stack backtrace: [ 235.577088] CPU: 3 PID: 98 Comm: kworker/u16:1 Not tainted 5.9.0-rc5-wt-ath+ #196 [ 235.577089] Hardware name: Intel(R) Client Systems NUC8i7HVK/NUC8i7HVB, BIOS HNKBLi70.86A.0049.2018.0801.1601 08/01/2018 [ 235.577095] Workqueue: ath11k_qmi_driver_event ath11k_qmi_driver_event_work [ath11k] [ 235.577096] Call Trace: [ 235.577100] dump_stack+0x77/0xa0 [ 235.577102] mark_lock_irq.cold+0x15/0x3c [ 235.577104] mark_lock+0x1d7/0x540 [ 235.577105] mark_usage+0xc7/0x140 [ 235.577107] __lock_acquire+0x219/0x6e0 [ 235.577108] ? sched_clock_cpu+0xc/0xb0 [ 235.577110] lock_acquire+0xb6/0x270 [ 235.577116] ? ath11k_regd_update+0x28/0x1d0 [ath11k] [ 235.577118] ? atomic_notifier_chain_register+0x2d/0x40 [ 235.577120] _raw_spin_lock+0x2c/0x70 [ 235.577125] ? ath11k_regd_update+0x28/0x1d0 [ath11k] [ 235.577130] ath11k_regd_update+0x28/0x1d0 [ath11k] [ 235.577136] __ath11k_mac_register+0x3fb/0x480 [ath11k] [ 235.577141] ath11k_mac_register+0x119/0x180 [ath11k] [ 235.577146] ath11k_core_pdev_create+0x17/0xe0 [ath11k] [ 235.577150] ath11k_core_qmi_firmware_ready.part.0+0x65/0x160 [ath11k] [ 235.577155] ath11k_qmi_driver_event_work+0x1c5/0x230 [ath11k] [ 235.577158] process_one_work+0x265/0x5d0 [ 235.577160] worker_thread+0x49/0x300 [ 235.577161] ? process_one_work+0x5d0/0x5d0 [ 235.577163] kthread+0x135/0x150 [ 235.577164] ? kthread_create_worker_on_cpu+0x60/0x60 [ 235.577166] ret_from_fork+0x22/0x30 Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by: -
Kalle Valo authored
QCA6390 does not support monitor mode at the moment so disable it altogether, using a hack as mac80211 does not support disabling it otherwise. Add a boolean to hw_params to know if hardware supports monitor mode. IPQ8074 continues to support monitor mode normally. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by:
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Kalle Valo authored
There are different versions of QCA6390. Check TCSR_SOC_HW_VERSION to make sure that the device is hw2.0, all the rest are unsupported. This needs to be checked after ath11k_pci_claim() so move the whole switch choosing hw_ver. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by:
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Kalle Valo authored
As QCA6390 does not support mesh interfaces, move the interface_modes to hw_params. Also create interface combinations dynamically so that it's easy to change the values. Now QCA6390 does not claim to support mesh interfaces to user space, but IPQ8074 continues to do that. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by:
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Carl Huang authored
For QCA6390, station vdev needs to delay startup but not for AP mode. On AP mode vdev starts up immediately after bss peer is created in chanctx assignment context. This patch does not affect IPQ8074 family of devices. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by:
Carl Huang <cjhuang@codeaurora.org> Signed-off-by:
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Ben Greear authored
The QCA6390 board I have, model 8291M-PR comes with an ELF board file. To get this to at least somewhat work, I renamed bdwlan.e04 to 'board.bin' and then added this patch to check for ELF magic string in the beginning of the file. If that is found, use type ELF. After this the driver loads. Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1 Signed-off-by:
Ben Greear <greearb@candelatech.com> [kvalo@codeaurora.org: use elf.h, minor cleanup] Signed-off-by:
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Alex Dewar authored
debugfs_create_dir() returns an ERR_PTR in case of error, but never a null pointer. There are a number of places where error-checking code can accordingly be simplified. Addresses-Coverity: CID 1497150: Memory - illegal accesses (USE_AFTER_FREE) Addresses-Coverity: CID 1497158: Memory - illegal accesses (USE_AFTER_FREE) Addresses-Coverity: CID 1497160: Memory - illegal accesses (USE_AFTER_FREE) Signed-off-by:
Alex Dewar <alex.dewar90@gmail.com> Signed-off-by:
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Kalle Valo authored
Commit 6aea26ce ("mac80211: rework tx encapsulation offload API") introduced a new checkpatch warning: drivers/net/wireless/ath/ath11k/mac.c:4354: Alignment should match open parenthesis Fix that. Signed-off-by:
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- 29 Sep, 2020 2 commits
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Govind Singh authored
During driver load below warn logs are printed in the console. Since driver may not implement all wmi events sent by fw and all of them are non-fatal, move this log to debug level to remove un-necessary warn message on console. [876.898735] ath11k_pci 0000:06:00.0: Unknown eventid: 0x16005 [879.283250] ath11k_pci 0000:06:00.0: Unknown eventid: 0x1d00a No functional changes. Compile tested only. Signed-off-by:
Govind Singh <govinds@codeaurora.org> Signed-off-by:
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Li Heng authored
This addresses the following gcc warning with "make W=1": drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h:1331:18: warning: ‘ar9580_1p0_pcie_phy_clkreq_enable_L1’ defined but not used [-Wunused-const-variable=] drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h:1338:18: warning: ‘ar9580_1p0_pcie_phy_clkreq_disable_L1’ defined but not used [-Wunused-const-variable=] drivers/net/wireless/ath/ath9k/ar9580_1p0_initvals.h:1345:18: warning: ‘ar9580_1p0_pcie_phy_pll_on_clkreq’ defined but not used [-Wunused-const-variable=] Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Li Heng <liheng40@huawei.com> Signed-off-by:
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- 28 Sep, 2020 1 commit
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Florian Fainelli authored
After commit d0186842 ("net: vlan: Avoid using BUG() in vlan_proto_idx()"), vlan_proto_idx() was changed to return a signed integer, however one of its called: vlan_group_prealloc_vid() was still using an unsigned integer for its return value, fix that. Fixes: d0186842 ("net: vlan: Avoid using BUG() in vlan_proto_idx()") Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 27 Sep, 2020 28 commits
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David S. Miller authored
Michael Chan says: ==================== bnxt_en: Update for net-next. This patch series adds 2 main features to the bnxt_en driver: 200G link speed support and FEC support with some refactoring of the link speed logic. The firmware interface is updated to have proper support for these 2 features. The ethtool preset max channel value is also adjusted properly to account for XDP and TCs. ==================== Signed-off-by: -
Michael Chan authored
The current logic that calculates the preset maximum value for combined channel does not take into account the rings used for XDP and mqprio TCs. Each of these features will reduce the number of TX rings. Add the logic to divide the TX rings accordingly based on whether the device is currently in XDP mode and whether TCs are in use. Reviewed-by:
Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
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Michael Chan authored
This feature allows the user to set the different FEC modes on the NIC port. Any new setting will take effect immediately after a link toggle. Reviewed-by:
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Michael Chan authored
The current code is reporting the FEC configured settings during link up. Change it to report the more useful active FEC encoding that may be negotiated or auto detected. Reviewed-by:
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Michael Chan authored
Implement .get_fecparam() method to report the configured and active FEC settings. Also report the supported and advertised FEC settings to the .get_link_ksettings() method. Reviewed-by:
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Edwin Peer authored
PORT_PHY_CONFIG is always sent with REQ_FLAGS_RESET_PHY set. This flag must be set in order for the firmware to institute the requested PHY change immediately, but it results in a link flap. This is unnecessary and results in an improved user experience if the PHY reconfiguration is avoided when the user requested speed does not constitute a change. Signed-off-by:
Edwin Peer <edwin.peer@broadcom.com> Signed-off-by:
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Michael Chan authored
On some 200G dual port NICs, if one port is configured to 200G, firmware will disable the ethernet link on the other port. Firmware will send notification to the driver for the disabled port when this happens. Define a new field in the link_info structure to keep track of this state. The new phy_state field replaces the unused loop_back field. Log a message when the phy_state changes state. In the disabled state, disallow any PHY configurations on the disabled port as the firmware will fail all calls to configure the PHY in this state. Reviewed-by:
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Edwin Peer authored
Add ethtool PAM4 link modes for: 50000baseCR_Full 100000baseCR2_Full 200000baseCR4_Full Signed-off-by: -
Edwin Peer authored
The firmware interface has added support for new link speeds using PAM4 modulation. Expand the bnxt_link_info structure to closely mirror the new firmware structures. Add logic to copy the PAM4 capabilities and settings from the firmware. Signed-off-by:
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Edwin Peer authored
It will be necessary to update more than one field in the link_info structure when PAM4 speeds are added in a later patch. Instead of merely translating ethtool speed values to firmware speed values, change the responsiblity of this function to update all the necessary link_info fields required to force the speed change to the desired ethtool value. This also reduces code duplication somewhat at the two call sites, which otherwise both have to independently update link_info fields to turn off auto negotiation advertisements. Also use the appropriate REQ_FORCE_LINK_SPEED definitions. These happen to have the same values, but req_link_speed is utilimately passed as force_link_speed in HWRM_PORT_PHY_CFG which is not defined in terms of REQ_AUTO_LINK_SPEED. Reviewed-by:
Scott Branden <scott.branden@broadcom.com> Signed-off-by:
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Edwin Peer authored
Extract the code for determining an advertised speed is no longer supported into a separate function. This will avoid some code duplication in a later patch when supporting PAM4 speeds, since these speeds are specified in a separate field. Reviewed-by:
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Michael Chan authored
The main changes include FEC, ECN statistics, HWRM_PORT_PHY_QCFG response size reduction, and a new counter added to ctx_hw_stats_ext struct to support the new 58818 chip. The ctx_hw_stats_ext structure is now the superset supporting the new 58818 chips and the prior P5 chips. Add a new flag to identify the new chip and use constants for the chip specific ring statistics sizes instead of the size of the structure. Because the HWRM_PORT_PHY_QCFG response structure size has shrunk back to 96 bytes, the workaround added earlier to limit the size of this message for forwarding to the VF can be removed. Signed-off-by:
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Yangbo Lu authored
Added the missing stub function for ptp_get_msgtype(). Fixes: 036c508b ("ptp: Add generic ptp message type function") Reported-by:
Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
Yangbo Lu <yangbo.lu@nxp.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Signed-off-by:
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Andrew Lunn authored
rivers/net/ethernet/marvell/mvpp2/mvpp2_main.c:7084:36: warning: ‘mvpp2_acpi_match’ defined but not used [-Wunused-const-variable=] 7084 | static const struct acpi_device_id mvpp2_acpi_match[] = { | ^~~~~~~~~~~~~~~~ Wrap the definition inside #ifdef/#endif. Compile tested only. Signed-off-by:Andrew Lunn <andrew@lunn.ch> Signed-off-by:
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David S. Miller authored
Ido Schimmel says: ==================== mlxsw: Expose transceiver overheat counter Amit says: An overheated transceiver can be the root cause of various network problems such as link flapping. Counting the number of times a transceiver's temperature was higher than its configured threshold can therefore help in debugging such issues. This patch set exposes a transceiver overheat counter via ethtool. This is achieved by configuring the Spectrum ASIC to generate events whenever a transceiver is overheated. The temperature thresholds are queried from the transceiver (if available) and set to the default otherwise. Example: ... transceiver_overheat: 2 Patch set overview: Patches #1-#3 add required device registers Patches #4-#5 add required infrastructure in mlxsw to configure and count overheat events Patches #6-#9 gradually add support for the transceiver overheat counter Patch #10 exposes the transceiver overheat counter via ethtool ==================== Signed-off-by: -
Amit Cohen authored
Add structures for port statistics which read from core and not directly from registers. When netdev's ethtool statistics are queried, query the corresponding module's overheat counter from core and expose it as "transceiver_overheat". Signed-off-by:
Amit Cohen <amcohen@nvidia.com> Reviewed-by:
Jiri Pirko <jiri@nvidia.com> Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
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Amit Cohen authored
Module temperature warning events are enabled for modules that have a temperature sensor and configured according to the temperature thresholds queried from the module. When a module is unplugged we are guaranteed not to get temperature warning events. However, when a module is plugged in we need to potentially update its current settings (i.e., event enablement and thresholds). Register to port module plug/unplug events and update module's settings upon plug in events. Signed-off-by:
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Amit Cohen authored
The overheat counter is a per-module counter, but it is exposed as part of the corresponding netdev's statistics. It should therefore be presented to user space relative to the netdev's lifetime. Query the counter just before registering the netdev, so that the value exposed to user space will be relative to this initial value. Signed-off-by:
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Amit Cohen authored
MTWE (Management Temperature Warning Event) is triggered for sensors whose temperature event enable bit is enabled in the MTMP register. Enable events for all the modules that have a temperature sensor. Signed-off-by:
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Amit Cohen authored
MTWE (Management Temperature Warning Event) is triggered when module's temperature is higher than its threshold. Register for MTWE events and increase the module's overheat counter when its corresponding sensor goes above the configured threshold. Signed-off-by:
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Amit Cohen authored
Initialize an array that stores per-module overheat state and a counter indicating how many times the module was in overheat state. Export a function to query the counter according to module number. Will be used later on by the switch driver (i.e., mlxsw_spectrum) to expose module's overheat counter as part of ethtool statistics. Initialize mlxsw_env after driver initialization to be able to query number of modules from MGPIR register. Signed-off-by:
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Amit Cohen authored
The MTMP register controls various temperature settings on a per-sensor basis. Subsequent patches are going to alter some of these settings for sensors found on port modules in response to certain events. In order to prevent the current callers that write to MTMP from overriding these settings, have them first query the register and then change only the relevant register fields. Signed-off-by:
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Amit Cohen authored
PMAOS register configures and retrieves the per module status. The register is used also for enabling event for status change. It will be used to enable PMPE (Port Module Plug/Unplug) event. Signed-off-by:
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Amit Cohen authored
PMPE register reports any operational status change of a module. It will be used for enabling temperature warning event when a module is plugged in. Signed-off-by:
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Amit Cohen authored
Add MTWE (Management Temperature Warning Event) register, which is used for over temperature warning. Signed-off-by:
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David S. Miller authored
Huazhong Tan says: ==================== net: hns3: updates for -next To facilitate code maintenance and compatibility, #1 and #2 add device version to replace pci revision, #3 to #9 adds support for querying device capabilities and specifications, then the driver can use these query results to implement corresponding features (some features will be implemented later). And #10 is a minor cleanup since too many parameters for hclge_shaper_para_calc(). ==================== Signed-off-by: -
Huazhong Tan authored
As function hclge_shaper_para_calc() has too many arguments to add more, so encapsulate its three arguments ir_b, ir_u, ir_s into a structure. Signed-off-by:
Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by:
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Guangbin Huang authored
The device specifications querying is unsupported by the old firmware, in this case, these specifications are 0. However, some specifications should not be 0 or will cause problem. So after querying from firmware, some device specifications are needed to check their value and set to default value if their values are 0. Signed-off-by:
Guangbin Huang <huangguangbin2@huawei.com> Signed-off-by:
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