summaryrefslogtreecommitdiff
path: root/Documentation
AgeCommit message (Collapse)AuthorFilesLines
2024-04-25Merge branch '100GbE' of ↵Jakub Kicinski1-0/+47
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== ice: Support 5 layer Tx scheduler topology Mateusz Polchlopek says: For performance reasons there is a need to have support for selectable Tx scheduler topology. Currently firmware supports only the default 9-layer and 5-layer topology. This patch series enables switch from default to 5-layer topology, if user decides to opt-in. * '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue: ice: Document tx_scheduling_layers parameter ice: Add tx_scheduling_layers devlink param ice: Enable switching default Tx scheduler topology ice: Adjust the VSI/Aggregator layers ice: Support 5 layer topology devlink: extend devlink_param *set pointer ==================== Link: https://lore.kernel.org/r/20240422203913.225151-1-anthony.l.nguyen@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-23netdev: support dumping a single netdev in qstatsJakub Kicinski1-0/+1
Having to filter the right ifindex in the tests is a bit tedious. Add support for dumping qstats for a single ifindex. Reviewed-by: David Ahern <dsahern@kernel.org> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://lore.kernel.org/r/20240420023543.3300306-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-23doc/netlink/specs: Add draft nftables specDonald Hunter1-0/+1264
Add a spec for nftables that has nearly complete coverage of the ops, but limited coverage of rule types and subexpressions. Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Link: https://lore.kernel.org/r/20240418104737.77914-2-donald.hunter@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-22ice: Document tx_scheduling_layers parameterMichal Wilczynski1-0/+47
New driver specific parameter 'tx_scheduling_layers' was introduced. Describe parameter in the documentation. Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Co-developed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com> Signed-off-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-04-19dt-bindings: net: pse-pd: Add bindings for TPS23881 PSE controllerKory Maincent (Dent Project)1-0/+95
Add the TPS23881 I2C Power Sourcing Equipment controller device tree bindings documentation. Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20240417-feature_poe-v9-13-242293fd1900@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-19dt-bindings: net: pse-pd: Add bindings for PD692x0 PSE controllerKory Maincent (Dent Project)1-0/+169
Add the PD692x0 I2C Power Sourcing Equipment controller device tree bindings documentation. Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20240417-feature_poe-v9-11-242293fd1900@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-19dt-bindings: net: pse-pd: Add another way of describing several PSE PIsKory Maincent (Dent Project)1-3/+98
PSE PI setup may encompass multiple PSE controllers or auxiliary circuits that collectively manage power delivery to one Ethernet port. Such configurations might support a range of PoE standards and require the capability to dynamically configure power delivery based on the operational mode (e.g., PoE2 versus PoE4) or specific requirements of connected devices. In these instances, a dedicated PSE PI node becomes essential for accurately documenting the system architecture. This node would serve to detail the interactions between different PSE controllers, the support for various PoE modes, and any additional logic required to coordinate power delivery across the network infrastructure. The old usage of "#pse-cells" is unsuficient as it carries only the PSE PI index information. Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Link: https://lore.kernel.org/r/20240417-feature_poe-v9-8-242293fd1900@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-19net: pse-pd: Add support for PSE PIsKory Maincent (Dent Project)2-0/+302
The Power Sourcing Equipment Power Interface (PSE PI) plays a pivotal role in the architecture of Power over Ethernet (PoE) systems. It is essentially a blueprint that outlines how one or multiple power sources are connected to the eight-pin modular jack, commonly known as the Ethernet RJ45 port. This connection scheme is crucial for enabling the delivery of power alongside data over Ethernet cables. This patch adds support for getting the PSE controller node through PSE PI device subnode. This supports adds a way to get the PSE PI id from the pse_pi devicetree subnode of a PSE controller node simply by reading the reg property. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Link: https://lore.kernel.org/r/20240417-feature_poe-v9-7-242293fd1900@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-19netlink: specs: Expand the pse netlink command with PoE interfaceKory Maincent (Dent Project)1-0/+15
Add the PoE pse attributes prefix to be able to use PoE interface. Example usage: ./ynl/cli.py --spec netlink/specs/ethtool.yaml --no-schema --do pse-get \ --json '{"header":{"dev-name":"eth0"}}' {'header': {'dev-index': 4, 'dev-name': 'eth0'}, 'c33-pse-admin-state': 3, 'c33-pse-pw-d-status': 4} ./ynl/cli.py --spec netlink/specs/ethtool.yaml --no-schema --do pse-set \ --json '{"header":{"dev-name":"eth0"}, "c33-pse-admin-control":3}' Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Link: https://lore.kernel.org/r/20240417-feature_poe-v9-5-242293fd1900@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-19netlink: specs: Modify pse attribute prefixKory Maincent (Dent Project)1-9/+9
Remove podl from the attribute prefix to prepare the support of PoE pse netlink spec. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Link: https://lore.kernel.org/r/20240417-feature_poe-v9-4-242293fd1900@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-19net: ethtool: pse-pd: Expand pse commands with the PSE PoE interfaceKory Maincent (Dent Project)1-0/+20
Add PSE PoE interface support in the ethtool pse command. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Link: https://lore.kernel.org/r/20240417-feature_poe-v9-3-242293fd1900@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-19ethtool: Expand Ethernet Power Equipment with c33 (PoE) alongside PoDLKory Maincent (Dent Project)3-0/+83
In the current PSE interface for Ethernet Power Equipment, support is limited to PoDL. This patch extends the interface to accommodate the objects specified in IEEE 802.3-2022 145.2 for Power sourcing Equipment (PSE). The following objects are now supported and considered mandatory: - IEEE 802.3-2022 30.9.1.1.5 aPSEPowerDetectionStatus - IEEE 802.3-2022 30.9.1.1.2 aPSEAdminState - IEEE 802.3-2022 30.9.1.2.1 aPSEAdminControl To avoid confusion between "PoDL PSE" and "PoE PSE", which have similar names but distinct values, we have followed the suggestion of Oleksij Rempel and Andrew Lunn to maintain separate naming schemes for each, using c33 (clause 33) prefix for "PoE PSE". You can find more details in the discussion threads here: https://lore.kernel.org/netdev/20230912110637.GI780075@pengutronix.de/ https://lore.kernel.org/netdev/2539b109-72ad-470a-9dae-9f53de4f64ec@lunn.ch/ Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Kory Maincent <kory.maincent@bootlin.com> Link: https://lore.kernel.org/r/20240417-feature_poe-v9-1-242293fd1900@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski5-21/+26
Cross-merge networking fixes after downstream PR. Conflicts: include/trace/events/rpcgss.h 386f4a737964 ("trace: events: cleanup deprecated strncpy uses") a4833e3abae1 ("SUNRPC: Fix rpcgss_context trace event acceptor field") Adjacent changes: drivers/net/ethernet/intel/ice/ice_tc_lib.c 2cca35f5dd78 ("ice: Fix checking for unsupported keys on non-tunnel device") 784feaa65dfd ("ice: Add support for PFCP hardware offload in switchdev") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-17Merge tag 'pwm/for-6.9-rc5-fixes' of ↵Linus Torvalds1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux Pull pwm fixes from Uwe Kleine-König: "The first patch fixes a regression in the suspend/resume path for the dwc pwm driver that was introduced in v6.9-rc1 when support for 16 channel devices was added. The second patch fixes a bunch of device tree binding check warnings" * tag 'pwm/for-6.9-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux: dt-bindings: pwm: mediatek,pwm-disp: Document power-domains property pwm: dwc: allow suspend/resume for 16 channels
2024-04-17dt-bindings: net: nxp,dwmac-imx: allow nvmem cells propertyPeng Fan1-0/+4
Allow nvmem-cells and nvmem-cell-names to get mac_address from onchip fuse. Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20240415103621.1644735-1-peng.fan@oss.nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-15dt-bindings: pwm: mediatek,pwm-disp: Document power-domains propertyAngeloGioacchino Del Regno1-0/+3
Allow the power-domains property to the PWM_DISP block as on some SoCs this does need at most one power domain. Fixes: b09b179bac0a ("dt-bindings: pwm: Convert pwm-mtk-disp.txt to mediatek,pwm-disp.yaml format") Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240404081808.92199-1-angelogioacchino.delregno@collabora.com Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2024-04-14Merge tag 'x86-urgent-2024-04-14' of ↵Linus Torvalds2-20/+14
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc x86 fixes from Ingo Molnar: - Follow up fixes for the BHI mitigations code - Fix !SPECULATION_MITIGATIONS bug not turning off mitigations as expected - Work around an APIC emulation bug when the kernel is built with Clang and run as a SEV guest - Follow up x86 topology fixes * tag 'x86-urgent-2024-04-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu/amd: Move TOPOEXT enablement into the topology parser x86/cpu/amd: Make the NODEID_MSR union actually work x86/cpu/amd: Make the CPUID 0x80000008 parser correct x86/bugs: Replace CONFIG_SPECTRE_BHI_{ON,OFF} with CONFIG_MITIGATION_SPECTRE_BHI x86/bugs: Remove CONFIG_BHI_MITIGATION_AUTO and spectre_bhi=auto x86/bugs: Clarify that syscall hardening isn't a BHI mitigation x86/bugs: Fix BHI handling of RRSBA x86/bugs: Rename various 'ia32_cap' variables to 'x86_arch_cap_msr' x86/bugs: Cache the value of MSR_IA32_ARCH_CAPABILITIES x86/bugs: Fix BHI documentation x86/cpu: Actually turn off mitigations by default for SPECULATION_MITIGATIONS=n x86/topology: Don't update cpu_possible_map in topo_set_cpuids() x86/bugs: Fix return type of spectre_bhi_state() x86/apic: Force native_apic_mem_read() to use the MOV instruction
2024-04-14Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhostLinus Torvalds1-1/+0
Pull virtio bugfixes from Michael Tsirkin: "Some small, obvious (in hindsight) bugfixes: - new ioctl in vhost-vdpa has a wrong # - not too late to fix - vhost has apparently been lacking an smp_rmb() - due to code duplication :( The duplication will be fixed in the next merge cycle, this is a minimal fix - an error message in vhost talks about guest moving used index - which of course never happens, guest only ever moves the available index - i2c-virtio didn't set the driver owner so it did not get refcounted correctly" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: vhost: correct misleading printing information vhost-vdpa: change ioctl # for VDPA_GET_VRING_SIZE virtio: store owner from modules with register_virtio_driver() vhost: Add smp_rmb() in vhost_enable_notify() vhost: Add smp_rmb() in vhost_vq_avail_empty()
2024-04-13net: hns3: add support to query scc version by devlink infoHao Chen1-0/+5
Add support to query scc version by devlink info for device V3. Signed-off-by: Hao Chen <chenhao418@huawei.com> Signed-off-by: Jijie Shao <shaojijie@huawei.com> Link: https://lore.kernel.org/r/20240410125354.2177067-5-shaojijie@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-12Merge tag 'drm-fixes-2024-04-12' of https://gitlab.freedesktop.org/drm/kernelLinus Torvalds1-0/+9
Pull drm fixes from Dave Airlie: "Looks like everyone woke up after holidays, this weeks pull has a bunch of stuff all over, 2 weeks worth of amdgpu is a lot of it, then i915/xe have a few, a bunch of msm fixes, then some scattered driver fixes. I expect things will settle down for rc5. client: - Protect connector modes with mode_config mutex ast: - Fix soft lockup host1x: - Do not setup DMA for virtual addresses ivpu: - Fix deadlock in context_xa - PCI fixes - Fixes to error handling nouveau: - gsp: Fix OOB access - Fix casting panfrost: - Fix error path in MMU code qxl: - Revert "drm/qxl: simplify qxl_fence_wait" vmwgfx: - Enable DMA for SEV mappings i915: - Couple CDCLK programming fixes - HDCP related fix - 4 Bigjoiner related fixes - Fix for a circular locking around GuC on reset+wedged case xe: - Fix double display mutex initializations - Fix u32 -> u64 implicit conversions - Fix RING_CONTEXT_CONTROL not marked as masked msm: - DP refcount leak fix on disconnect - Add missing newlines to prints in msm_fb and msm_kms - fix dpu debugfs entry permissions - Fix the interface table for the catalog of X1E80100 - fix irq message printing - Bindings fix to add DP node as child of mdss for mdss node - Minor typo fix in DP driver API which handles port status change - fix CHRASHDUMP_READ() - fix HHB (highest bank bit) for a619 to fix UBWC corruption amdgpu: - GPU reset fixes - Fix some confusing logging - UMSCH fix - Aborted suspend fix - DCN 3.5 fixes - S4 fix - MES logging fixes - SMU 14 fixes - SDMA 4.4.2 fix - KASAN fix - SMU 13.0.10 fix - VCN partition fix - GFX11 fixes - DWB fixes - Plane handling fix - FAMS fix - DCN 3.1.6 fix - VSC SDP fixes - OLED panel fix - GFX 11.5 fix amdkfd: - GPU reset fixes - fix ioctl integer overflow" * tag 'drm-fixes-2024-04-12' of https://gitlab.freedesktop.org/drm/kernel: (65 commits) amdkfd: use calloc instead of kzalloc to avoid integer overflow drm/xe: Label RING_CONTEXT_CONTROL as masked drm/xe/xe_migrate: Cast to output precision before multiplying operands drm/xe/hwmon: Cast result to output precision on left shift of operand drm/xe/display: Fix double mutex initialization drm/amdgpu: differentiate external rev id for gfx 11.5.0 drm/amd/display: Adjust dprefclk by down spread percentage. drm/amd/display: Set VSC SDP Colorimetry same way for MST and SST drm/amd/display: Program VSC SDP colorimetry for all DP sinks >= 1.4 drm/amd/display: fix disable otg wa logic in DCN316 drm/amd/display: Do not recursively call manual trigger programming drm/amd/display: always reset ODM mode in context when adding first plane drm/amdgpu: fix incorrect number of active RBs for gfx11 drm/amd/display: Return max resolution supported by DWB amd/amdkfd: sync all devices to wait all processes being evicted drm/amdgpu: clear set_q_mode_offs when VM changed drm/amdgpu: Fix VCN allocation in CPX partition drm/amd/pm: fix the high voltage issue after unload drm/amd/display: Skip on writeback when it's not applicable drm/amdgpu: implement IRQ_STATE_ENABLE for SDMA v4.4.2 ...
2024-04-12nfp: update devlink device info outputFei Qin1-1/+4
Newer NIC will introduce a new part number, now add it into devlink device info. This patch also updates the information of "board.id" in nfp.rst to match the devlink-info.rst. Signed-off-by: Fei Qin <fei.qin@corigine.com> Signed-off-by: Louis Peens <louis.peens@corigine.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-04-12devlink: add a new info version tagFei Qin1-0/+5
Add definition and documentation for the new generic info "board.part_number". The new one is for part number specific use, and board.id is modified to match the documentation in devlink-info. Signed-off-by: Fei Qin <fei.qin@corigine.com> Signed-off-by: Louis Peens <louis.peens@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-04-12x86/bugs: Remove CONFIG_BHI_MITIGATION_AUTO and spectre_bhi=autoJosh Poimboeuf2-7/+0
Unlike most other mitigations' "auto" options, spectre_bhi=auto only mitigates newer systems, which is confusing and not particularly useful. Remove it. Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Nikolay Borisov <nik.borisov@suse.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/r/412e9dc87971b622bbbaf64740ebc1f140bff343.1712813475.git.jpoimboe@kernel.org
2024-04-12Merge tag 'drm-msm-next-2024-04-11' of ↵Dave Airlie1-0/+9
https://gitlab.freedesktop.org/drm/msm into drm-fixes Fixes for v6.9 Display: - Fixes for PM refcount leak when DP goes to disconnected state and also when link training fails. This is also one of the issues found with the pm runtime series - Add missing newlines to prints in msm_fb and msm_kms - Change permissions of some dpu debugfs entries which write to const data from catalog to read-only to avoid protection faults - Fix the interface table for the catalog of X1E80100. This is an important fix to bringup DP for X1E80100. - Logging fix to print the callback symbol in the invalid IRQ message case rather than printing when its known to be NULL. - Bindings fix to add DP node as child of mdss for mdss node - Minor typo fix in DP driver API which handles port status change GPU: - fix CHRASHDUMP_READ() - fix HHB (highest bank bit) for a619 to fix UBWC corruption Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rob Clark <robdclark@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvFwRUcHGWva7oDeydq1PTiZMduuykCD2MWaFrT4iMGZA@mail.gmail.com
2024-04-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski24-44/+105
Cross-merge networking fixes after downstream PR. Conflicts: net/unix/garbage.c 47d8ac011fe1 ("af_unix: Fix garbage collector racing against connect()") 4090fa373f0e ("af_unix: Replace garbage collection algorithm.") Adjacent changes: drivers/net/ethernet/broadcom/bnxt/bnxt.c faa12ca24558 ("bnxt_en: Reset PTP tx_avail after possible firmware reset") b3d0083caf9a ("bnxt_en: Support RSS contexts in ethtool .{get|set}_rxfh()") drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c 7ac10c7d728d ("bnxt_en: Fix possible memory leak in bnxt_rdma_aux_device_init()") 194fad5b2781 ("bnxt_en: Refactor bnxt_rdma_aux_device_init/uninit functions") drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c 958f56e48385 ("net/mlx5e: Un-expose functions in en.h") 49e6c9387051 ("net/mlx5e: RSS, Block XOR hash with over 128 channels") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-11Merge tag 'bcachefs-2024-04-10' of https://evilpiepirate.org/git/bcachefsLinus Torvalds2-0/+12
Pull more bcachefs fixes from Kent Overstreet: "Notable user impacting bugs - On multi device filesystems, recovery was looping in btree_trans_too_many_iters(). This checks if a transaction has touched too many btree paths (because of iteration over many keys), and isuses a restart to drop unneeded paths. But it's now possible for some paths to exceed the previous limit without iteration in the interior btree update path, since the transaction commit will do alloc updates for every old and new btree node, and during journal replay we don't use the btree write buffer for locking reasons and thus those updates use btree paths when they wouldn't normally. - Fix a corner case in rebalance when moving extents on a durability=0 device. This wouldn't be hit when a device was formatted with durability=0 since in that case we'll only use it as a write through cache (only cached extents will live on it), but durability can now be changed on an existing device. - bch2_get_acl() could rarely forget to handle a transaction restart; this manifested as the occasional missing acl that came back after dropping caches. - Fix a major performance regression on high iops multithreaded write workloads (only since 6.9-rc1); a previous fix for a deadlock in the interior btree update path to check the journal watermark introduced a dependency on the state of btree write buffer flushing that we didn't want. - Assorted other repair paths and recovery fixes" * tag 'bcachefs-2024-04-10' of https://evilpiepirate.org/git/bcachefs: (25 commits) bcachefs: Fix __bch2_btree_and_journal_iter_init_node_iter() bcachefs: Kill read lock dropping in bch2_btree_node_lock_write_nofail() bcachefs: Fix a race in btree_update_nodes_written() bcachefs: btree_node_scan: Respect member.data_allowed bcachefs: Don't scan for btree nodes when we can reconstruct bcachefs: Fix check_topology() when using node scan bcachefs: fix eytzinger0_find_gt() bcachefs: fix bch2_get_acl() transaction restart handling bcachefs: fix the count of nr_freed_pcpu after changing bc->freed_nonpcpu list bcachefs: Fix gap buffer bug in bch2_journal_key_insert_take() bcachefs: Rename struct field swap to prevent macro naming collision MAINTAINERS: Add entry for bcachefs documentation Documentation: filesystems: Add bcachefs toctree bcachefs: JOURNAL_SPACE_LOW bcachefs: Disable errors=panic for BCH_IOCTL_FSCK_OFFLINE bcachefs: Fix BCH_IOCTL_FSCK_OFFLINE for encrypted filesystems bcachefs: fix rand_delete unit test bcachefs: fix ! vs ~ typo in __clear_bit_le64() bcachefs: Fix rebalance from durability=0 device bcachefs: Print shutdown journal sequence number ...
2024-04-11x86/bugs: Clarify that syscall hardening isn't a BHI mitigationJosh Poimboeuf2-8/+6
While syscall hardening helps prevent some BHI attacks, there's still other low-hanging fruit remaining. Don't classify it as a mitigation and make it clear that the system may still be vulnerable if it doesn't have a HW or SW mitigation enabled. Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob") Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Sean Christopherson <seanjc@google.com> Link: https://lore.kernel.org/r/b5951dae3fdee7f1520d5136a27be3bdfe95f88b.1712813475.git.jpoimboe@kernel.org
2024-04-11x86/bugs: Fix BHI documentationJosh Poimboeuf2-12/+15
Fix up some inaccuracies in the BHI documentation. Fixes: ec9404e40e8f ("x86/bhi: Add BHI mitigation knob") Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Nikolay Borisov <nik.borisov@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Sean Christopherson <seanjc@google.com> Link: https://lore.kernel.org/r/8c84f7451bfe0dd08543c6082a383f390d4aa7e2.1712813475.git.jpoimboe@kernel.org
2024-04-11doc/netlink/specs: Add bond support to rt_link.yamlHangbin Liu1-0/+163
Add bond support to rt_link.yaml. Here is an example output: $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/rt_link.yaml \ --do getlink --json '{"ifname": "bond0"}' --output-json | jq '.linkinfo' { "kind": "bond", "data": { "mode": 4, "miimon": 100, ... "arp-interval": 0, "arp-ip-target": [ "192.168.1.1", "192.168.1.2" ], "arp-validate": 0, "arp-all-targets": 0, "ns-ip6-target": [ "2001::1", "2001::2" ], "primary-reselect": 0, ... "missed-max": 2, "ad-info": { "aggregator": 1, "num-ports": 1, "actor-key": 0, "partner-key": 1, "partner-mac": "00:00:00:00:00:00" } } } And here is the downlink info. $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/rt_link.yaml \ --do getlink --json '{"ifname": "dummy0"}' --output-json | jq '.linkinfo' { "kind": "dummy", "slave-kind": "bond", "slave-data": { "state": 0, "mii-status": 0, "link-failure-count": 0, "perm-hwaddr": "f2:82:f7:cc:47:13", "queue-id": 0, "prio": 0 } } Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://lore.kernel.org/r/20240409083504.3900877-1-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-11ethtool: update tsinfo statistics attribute docs with correct typeRahul Rameshbabu1-3/+3
nla_put_uint can either write a u32 or u64 netlink attribute value. The size depends on whether the value can be represented with a u32 or requires a u64. Use a uint annotation in various documentation to represent this. Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Link: https://lore.kernel.org/r/20240409232520.237613-2-rrameshbabu@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-09dt-bindings: net: rockchip-dwmac: use rgmii-id in exampleSascha Hauer1-3/+1
The dwmac supports specifying the RGMII clock delays, but it is recommended to use rgmii-id and to specify the delays in the phy node instead [1]. Change the example accordingly to no longer promote this undesired setting. [1] https://lore.kernel.org/all/1a0de7b4-f0f7-4080-ae48-f5ffa9e76be3@lunn.ch/ Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Dragan Simic <dsimic@manjaro.org> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20240408-rockchip-dwmac-rgmii-id-binding-v1-1-3886d1a8bd54@pengutronix.de Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-09dt-bindings: net: Add support for AM65x SR1.0 in ICSSGDiogo Ivo1-6/+29
Silicon Revision 1.0 of the AM65x came with a slightly different ICSSG support: Only 2 PRUs per slice are available and instead 2 additional DMA channels are used for management purposes. We have no restrictions on specified PRUs, but the DMA channels need to be adjusted. Co-developed-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Roger Quadros <rogerq@kernel.org> Reviewed-by: MD Danish Anwar <danishanwar@ti.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-04-09Merge tag 'nativebhi' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds2-6/+54
Pull x86 mitigations from Thomas Gleixner: "Mitigations for the native BHI hardware vulnerabilty: Branch History Injection (BHI) attacks may allow a malicious application to influence indirect branch prediction in kernel by poisoning the branch history. eIBRS isolates indirect branch targets in ring0. The BHB can still influence the choice of indirect branch predictor entry, and although branch predictor entries are isolated between modes when eIBRS is enabled, the BHB itself is not isolated between modes. Add mitigations against it either with the help of microcode or with software sequences for the affected CPUs" [ This also ends up enabling the full mitigation by default despite the system call hardening, because apparently there are other indirect calls that are still sufficiently reachable, and the 'auto' case just isn't hardened enough. We'll have some more inevitable tweaking in the future - Linus ] * tag 'nativebhi' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: KVM: x86: Add BHI_NO x86/bhi: Mitigate KVM by default x86/bhi: Add BHI mitigation knob x86/bhi: Enumerate Branch History Injection (BHI) bug x86/bhi: Define SPEC_CTRL_BHI_DIS_S x86/bhi: Add support for clearing branch history at syscall entry x86/syscall: Don't force use of indirect calls for system calls x86/bugs: Change commas to semicolons in 'spectre_v2' sysfs file
2024-04-08x86/bhi: Mitigate KVM by defaultPawan Gupta2-4/+8
BHI mitigation mode spectre_bhi=auto does not deploy the software mitigation by default. In a cloud environment, it is a likely scenario where userspace is trusted but the guests are not trusted. Deploying system wide mitigation in such cases is not desirable. Update the auto mode to unconditionally mitigate against malicious guests. Deploy the software sequence at VMexit in auto mode also, when hardware mitigation is not available. Unlike the force =on mode, software sequence is not deployed at syscalls in auto mode. Suggested-by: Alexandre Chartre <alexandre.chartre@oracle.com> Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com> Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
2024-04-08x86/bhi: Add BHI mitigation knobPawan Gupta2-6/+50
Branch history clearing software sequences and hardware control BHI_DIS_S were defined to mitigate Branch History Injection (BHI). Add cmdline spectre_bhi={on|off|auto} to control BHI mitigation: auto - Deploy the hardware mitigation BHI_DIS_S, if available. on - Deploy the hardware mitigation BHI_DIS_S, if available, otherwise deploy the software sequence at syscall entry and VMexit. off - Turn off BHI mitigation. The default is auto mode which does not deploy the software sequence mitigation. This is because of the hardening done in the syscall dispatch path, which is the likely target of BHI. Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> Signed-off-by: Daniel Sneddon <daniel.sneddon@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com> Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
2024-04-08devlink: Support setting max_io_eqsParav Pandit1-0/+33
Many devices send event notifications for the IO queues, such as tx and rx queues, through event queues. Enable a privileged owner, such as a hypervisor PF, to set the number of IO event queues for the VF and SF during the provisioning stage. example: Get maximum IO event queues of the VF device:: $ devlink port show pci/0000:06:00.0/2 pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0 vfnum 1 function: hw_addr 00:00:00:00:00:00 ipsec_packet disabled max_io_eqs 10 Set maximum IO event queues of the VF device:: $ devlink port function set pci/0000:06:00.0/2 max_io_eqs 32 $ devlink port show pci/0000:06:00.0/2 pci/0000:06:00.0/2: type eth netdev enp6s0pf0vf1 flavour pcivf pfnum 0 vfnum 1 function: hw_addr 00:00:00:00:00:00 ipsec_packet disabled max_io_eqs 32 Reviewed-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Shay Drory <shayd@nvidia.com> Signed-off-by: Parav Pandit <parav@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-04-08virtio: store owner from modules with register_virtio_driver()Krzysztof Kozlowski1-1/+0
Modules registering driver with register_virtio_driver() might forget to set .owner field. i2c-virtio.c for example has it missing. The field is used by some other kernel parts for reference counting (try_module_get()), so it is expected that drivers will set it. Solve the problem by moving this task away from the drivers to the core virtio code, just like we did for platform_driver in commit 9447057eaff8 ("platform_device: use a macro instead of platform_driver_register"). Fixes: 3cfc88380413 ("i2c: virtio: add a virtio i2c frontend driver") Cc: "Jie Deng" <jie.deng@intel.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Message-Id: <20240331-module-owner-virtio-v2-1-98f04bfaf46a@linaro.org> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2024-04-06Documentation: filesystems: Add bcachefs toctreeBagas Sanjaya2-0/+12
Commit eb386617be4bdf ("bcachefs: Errcode tracepoint, documentation") adds initial bcachefs documentation (private error codes) but without any table of contents tree for the filesystem docs, hence Sphinx warns: Documentation/filesystems/bcachefs/errorcodes.rst: WARNING: document isn't included in any toctree Add bcachefs toctree to fix above warning. Fixes: eb386617be4b ("bcachefs: Errcode tracepoint, documentation") Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-04-06net: ethtool: Allow passing a phy index for some commandsMaxime Chevallier1-0/+7
Some netlink commands are target towards ethernet PHYs, to control some of their features. As there's several such commands, add the ability to pass a PHY index in the ethnl request, which will populate the generic ethnl_req_info with the relevant phydev when the command targets a PHY. Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2024-04-06ynl: support binary and integer sub-type for indexed-arrayHangbin Liu1-3/+7
Add binary and integer sub-type support for indexed-array to display bond arp and ns targets. Here is what the result looks like: # ip link add bond0 type bond mode 1 \ arp_ip_target 192.168.1.1,192.168.1.2 ns_ip6_target 2001::1,2001::2 # ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/rt_link.yaml \ --do getlink --json '{"ifname": "bond0"}' --output-json | jq '.linkinfo' "arp-ip-target": [ "192.168.1.1", "192.168.1.2" ], [...] "ns-ip6-target": [ "2001::1", "2001::2" ], Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://lore.kernel.org/r/20240404063114.1221532-3-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-06ynl: rename array-nest to indexed-arrayHangbin Liu8-17/+33
Some implementations, like bonding, has nest array with same attr type. To support all kinds of entries under one nest array. As discussed[1], let's rename array-nest to indexed-array, and assuming the value is a nest by passing the type via sub-type. [1] https://lore.kernel.org/netdev/20240312100105.16a59086@kernel.org/ Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://lore.kernel.org/r/20240404063114.1221532-2-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-06netlink: specs: ethtool: define header-flags as an enumJakub Kicinski1-1/+0
Recent changes added header flags to the spec. Use an enum instead of defines for more seamless codegen. [Jakub: drop the already applied parts and rewrite message] Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com> Link: https://lore.kernel.org/r/20240403212931.128541-6-rrameshbabu@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-06net/mlx5e: Introduce timestamps statistic counter for Tx DMA layerRahul Rameshbabu1-0/+5
Count number of transmitted packets that were hardware timestamped at the device DMA layer. Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com> Link: https://lore.kernel.org/r/20240403212931.128541-4-rrameshbabu@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-06net/mlx5e: Introduce lost_cqe statistic counter for PTP Tx port timestamping CQRahul Rameshbabu1-0/+6
Track the number of times a CQE was expected to not be delivered on PTP Tx port timestamping CQ. A CQE is expected to not be delivered if a certain amount of time passes since the corresponding CQE containing the DMA timestamp information has arrived. Increment the late_cqe counter when such a CQE does manage to be delivered to the CQ. Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> Link: https://lore.kernel.org/r/20240403212931.128541-3-rrameshbabu@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-06ethtool: add interface to read Tx hardware timestamping statisticsRahul Rameshbabu2-0/+26
Multiple network devices that support hardware timestamping appear to have common behavior with regards to timestamp handling. Implement common Tx hardware timestamping statistics in a tx_stats struct_group. Common Rx hardware timestamping statistics can subsequently be implemented in a rx_stats struct_group for ethtool_ts_stats. Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com> Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com> Link: https://lore.kernel.org/r/20240403212931.128541-2-rrameshbabu@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-06Merge tag 'devicetree-fixes-for-6.9-1' of ↵Linus Torvalds20-38/+39
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Fix NIOS2 boot with external DTB - Add missing synchronization needed between fw_devlink and DT overlay removals - Fix some unit-address regex's to be hex only - Drop some 10+ year old "unstable binding" statements - Add new SoCs to QCom UFS binding - Add TPM bindings to TPM maintainers * tag 'devicetree-fixes-for-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: nios2: Only use built-in devicetree blob if configured to do so dt-bindings: timer: narrow regex for unit address to hex numbers dt-bindings: soc: fsl: narrow regex for unit address to hex numbers dt-bindings: remoteproc: ti,davinci: remove unstable remark dt-bindings: clock: ti: remove unstable remark dt-bindings: clock: keystone: remove unstable remark of: module: prevent NULL pointer dereference in vsnprintf() dt-bindings: ufs: qcom: document SM6125 UFS dt-bindings: ufs: qcom: document SC7180 UFS dt-bindings: ufs: qcom: document SC8180X UFS of: dynamic: Synchronize of_changeset_destroy() with the devlink removals driver core: Introduce device_link_wait_removal() docs: dt-bindings: add missing address/size-cells to example MAINTAINERS: Add TPM DT bindings to TPM maintainers
2024-04-05dt-bindings: net: starfive,jh7110-dwmac: Add StarFive JH8100 supportTan Chun Hau1-5/+23
Add StarFive JH8100 dwmac support. The JH8100 dwmac shares the same driver code as the JH7110 dwmac and has only one reset signal. Please refer to below: JH8100: reset-names = "stmmaceth"; JH7110: reset-names = "stmmaceth", "ahb"; JH7100: reset-names = "ahb"; Example usage of JH8100 in the device tree: gmac0: ethernet@16030000 { compatible = "starfive,jh8100-dwmac", "starfive,jh7110-dwmac", "snps,dwmac-5.20"; ... }; Signed-off-by: Tan Chun Hau <chunhau.tan@starfivetech.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20240403100549.78719-2-chunhau.tan@starfivetech.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-05Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski11-33/+122
Cross-merge networking fixes after downstream PR. Conflicts: net/ipv4/ip_gre.c 17af420545a7 ("erspan: make sure erspan_base_hdr is present in skb->head") 5832c4a77d69 ("ip_tunnel: convert __be16 tunnel flags to bitmaps") https://lore.kernel.org/all/20240402103253.3b54a1cf@canb.auug.org.au/ Adjacent changes: net/ipv6/ip6_fib.c d21d40605bca ("ipv6: Fix infinite recursion in fib6_dump_done().") 5fc68320c1fb ("ipv6: remove RTNL protection from inet6_dump_fib()") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-05Merge tag 'net-6.9-rc3' of ↵Linus Torvalds4-0/+82
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from netfilter, bluetooth and bpf. Fairly usual collection of driver and core fixes. The large selftest accompanying one of the fixes is also becoming a common occurrence. Current release - regressions: - ipv6: fix infinite recursion in fib6_dump_done() - net/rds: fix possible null-deref in newly added error path Current release - new code bugs: - net: do not consume a full cacheline for system_page_pool - bpf: fix bpf_arena-related file descriptor leaks in the verifier - drv: ice: fix freeing uninitialized pointers, fixing misuse of the newfangled __free() auto-cleanup Previous releases - regressions: - x86/bpf: fixes the BPF JIT with retbleed=stuff - xen-netfront: add missing skb_mark_for_recycle, fix page pool accounting leaks, revealed by recently added explicit warning - tcp: fix bind() regression for v6-only wildcard and v4-mapped-v6 non-wildcard addresses - Bluetooth: - replace "hci_qca: Set BDA quirk bit if fwnode exists in DT" with better workarounds to un-break some buggy Qualcomm devices - set conn encrypted before conn establishes, fix re-connecting to some headsets which use slightly unusual sequence of msgs - mptcp: - prevent BPF accessing lowat from a subflow socket - don't account accept() of non-MPC client as fallback to TCP - drv: mana: fix Rx DMA datasize and skb_over_panic - drv: i40e: fix VF MAC filter removal Previous releases - always broken: - gro: various fixes related to UDP tunnels - netns crossing problems, incorrect checksum conversions, and incorrect packet transformations which may lead to panics - bpf: support deferring bpf_link dealloc to after RCU grace period - nf_tables: - release batch on table validation from abort path - release mutex after nft_gc_seq_end from abort path - flush pending destroy work before exit_net release - drv: r8169: skip DASH fw status checks when DASH is disabled" * tag 'net-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (81 commits) netfilter: validate user input for expected length net/sched: act_skbmod: prevent kernel-infoleak net: usb: ax88179_178a: avoid the interface always configured as random address net: dsa: sja1105: Fix parameters order in sja1110_pcs_mdio_write_c45() net: ravb: Always update error counters net: ravb: Always process TX descriptor ring netfilter: nf_tables: discard table flag update with pending basechain deletion netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() netfilter: nf_tables: reject new basechain after table flag update netfilter: nf_tables: flush pending destroy work before exit_net release netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path netfilter: nf_tables: release batch on table validation from abort path Revert "tg3: Remove residual error handling in tg3_suspend" tg3: Remove residual error handling in tg3_suspend net: mana: Fix Rx DMA datasize and skb_over_panic net/sched: fix lockdep splat in qdisc_tree_reduce_backlog() net: phy: micrel: lan8814: Fix when enabling/disabling 1-step timestamping net: stmmac: fix rx queue priority assignment net: txgbe: fix i2c dev name cannot match clkdev net: fec: Set mac_managed_pm during probe ...
2024-04-04netlink: specs: define ethtool header flagsJakub Kicinski1-0/+6
When interfacing with the ethtool commands it's handy to be able to use the names of the flags. Example: ethnl.pause_get({"header": {"dev-index": cfg.ifindex, "flags": {'stats'}}}) Note that not all commands accept all the flags, but the meaning of the bits does not change command to command. Reviewed-by: Petr Machata <petrm@nvidia.com> Link: https://lore.kernel.org/r/20240403023426.1762996-2-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>