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This patch finalizes the transition to work with a single local interface for the ethtool_rmon.sh test. Each 'ip link' and 'ethtool' command used by the test is annotated with the necessary run_on in order to be executed on the necessary target system, be it local, in another network namespace or through ssh. Since we need NETIF up and running also for control traffic, we now expect that the interfaces are up and running and do not touch bring them up or down at the end of the test. This is also documented in the drivers/net/README.rst. The ethtool_rmon.sh script can still be used in the older fashion by passing two interfaces as command line arguments, the only restriction is that those interfaces need to be already up. $ DRIVER_TEST_CONFORMANT=no ./ethtool_rmon.sh eth0 eth1 As part of the kselftest infrastructure, this test can be run in the following manner: $ make -C tools/testing/selftests/ TARGETS="drivers/net drivers/net/hw" \ install INSTALL_PATH=/tmp/ksft-net-drv $ cd /tmp/ksft-net-drv/ $ cat > ./drivers/net/net.config <<EOF NETIF=endpmac17 LOCAL_V4=17.0.0.1 REMOTE_V4=17.0.0.2 REMOTE_TYPE=ssh REMOTE_ARGS=root@192.168.5.200 EOF $ ./run_kselftest.sh -t drivers/net/hw:ethtool_rmon.sh TAP version 13 1..1 # timeout set to 0 # selftests: drivers/net/hw: ethtool_rmon.sh # TAP version 13 # 1..14 # ok 1 ethtool_rmon.rx-pkts64to64 # ok 2 ethtool_rmon.rx-pkts65to127 # ok 3 ethtool_rmon.rx-pkts128to255 # ok 4 ethtool_rmon.rx-pkts256to511 # ok 5 ethtool_rmon.rx-pkts512to1023 # ok 6 ethtool_rmon.rx-pkts1024to1518 # ok 7 ethtool_rmon.rx-pkts1519to10240 # ok 8 ethtool_rmon.tx-pkts64to64 # ok 9 ethtool_rmon.tx-pkts65to127 # ok 10 ethtool_rmon.tx-pkts128to255 # ok 11 ethtool_rmon.tx-pkts256to511 # ok 12 ethtool_rmon.tx-pkts512to1023 # ok 13 ethtool_rmon.tx-pkts1024to1518 # ok 14 ethtool_rmon.tx-pkts1519to10240 # # Totals: pass:14 fail:0 xfail:0 xpass:0 skip:0 error:0 ok 1 selftests: drivers/net/hw: ethtool_rmon.sh Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Link: https://patch.msgid.link/20260330152933.2195885-9-ioana.ciornei@nxp.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Linux kernel ============ The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the fundamental services for all other software. Quick Start ----------- * Report a bug: See Documentation/admin-guide/reporting-issues.rst * Get the latest kernel: https://kernel.org * Build the kernel: See Documentation/admin-guide/quickly-build-trimmed-linux.rst * Join the community: https://lore.kernel.org/ Essential Documentation ----------------------- All users should be familiar with: * Building requirements: Documentation/process/changes.rst * Code of Conduct: Documentation/process/code-of-conduct.rst * License: See COPYING Documentation can be built with make htmldocs or viewed online at: https://www.kernel.org/doc/html/latest/ Who Are You? ============ Find your role below: * New Kernel Developer - Getting started with kernel development * Academic Researcher - Studying kernel internals and architecture * Security Expert - Hardening and vulnerability analysis * Backport/Maintenance Engineer - Maintaining stable kernels * System Administrator - Configuring and troubleshooting * Maintainer - Leading subsystems and reviewing patches * Hardware Vendor - Writing drivers for new hardware * Distribution Maintainer - Packaging kernels for distros * AI Coding Assistant - LLMs and AI-powered development tools For Specific Users ================== New Kernel Developer -------------------- Welcome! Start your kernel development journey here: * Getting Started: Documentation/process/development-process.rst * Your First Patch: Documentation/process/submitting-patches.rst * Coding Style: Documentation/process/coding-style.rst * Build System: Documentation/kbuild/index.rst * Development Tools: Documentation/dev-tools/index.rst * Kernel Hacking Guide: Documentation/kernel-hacking/hacking.rst * Core APIs: Documentation/core-api/index.rst Academic Researcher ------------------- Explore the kernel's architecture and internals: * Researcher Guidelines: Documentation/process/researcher-guidelines.rst * Memory Management: Documentation/mm/index.rst * Scheduler: Documentation/scheduler/index.rst * Networking Stack: Documentation/networking/index.rst * Filesystems: Documentation/filesystems/index.rst * RCU (Read-Copy Update): Documentation/RCU/index.rst * Locking Primitives: Documentation/locking/index.rst * Power Management: Documentation/power/index.rst Security Expert --------------- Security documentation and hardening guides: * Security Documentation: Documentation/security/index.rst * LSM Development: Documentation/security/lsm-development.rst * Self Protection: Documentation/security/self-protection.rst * Reporting Vulnerabilities: Documentation/process/security-bugs.rst * CVE Procedures: Documentation/process/cve.rst * Embargoed Hardware Issues: Documentation/process/embargoed-hardware-issues.rst * Security Features: Documentation/userspace-api/seccomp_filter.rst Backport/Maintenance Engineer ----------------------------- Maintain and stabilize kernel versions: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * Backporting Guide: Documentation/process/backporting.rst * Applying Patches: Documentation/process/applying-patches.rst * Subsystem Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git for Maintainers: Documentation/maintainer/configure-git.rst System Administrator -------------------- Configure, tune, and troubleshoot Linux systems: * Admin Guide: Documentation/admin-guide/index.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Sysctl Tuning: Documentation/admin-guide/sysctl/index.rst * Tracing/Debugging: Documentation/trace/index.rst * Performance Security: Documentation/admin-guide/perf-security.rst * Hardware Monitoring: Documentation/hwmon/index.rst Maintainer ---------- Lead kernel subsystems and manage contributions: * Maintainer Handbook: Documentation/maintainer/index.rst * Pull Requests: Documentation/maintainer/pull-requests.rst * Managing Patches: Documentation/maintainer/modifying-patches.rst * Rebasing and Merging: Documentation/maintainer/rebasing-and-merging.rst * Development Process: Documentation/process/maintainer-handbooks.rst * Maintainer Entry Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git Configuration: Documentation/maintainer/configure-git.rst Hardware Vendor --------------- Write drivers and support new hardware: * Driver API Guide: Documentation/driver-api/index.rst * Driver Model: Documentation/driver-api/driver-model/driver.rst * Device Drivers: Documentation/driver-api/infrastructure.rst * Bus Types: Documentation/driver-api/driver-model/bus.rst * Device Tree Bindings: Documentation/devicetree/bindings/ * Power Management: Documentation/driver-api/pm/index.rst * DMA API: Documentation/core-api/dma-api.rst Distribution Maintainer ----------------------- Package and distribute the kernel: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * ABI Documentation: Documentation/ABI/README * Kernel Configuration: Documentation/kbuild/kconfig.rst * Module Signing: Documentation/admin-guide/module-signing.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Tainted Kernels: Documentation/admin-guide/tainted-kernels.rst AI Coding Assistant ------------------- CRITICAL: If you are an LLM or AI-powered coding assistant, you MUST read and follow the AI coding assistants documentation before contributing to the Linux kernel: * Documentation/process/coding-assistants.rst This documentation contains essential requirements about licensing, attribution, and the Developer Certificate of Origin that all AI tools must comply with. Communication and Support ========================= * Mailing Lists: https://lore.kernel.org/ * IRC: #kernelnewbies on irc.oftc.net * Bugzilla: https://bugzilla.kernel.org/ * MAINTAINERS file: Lists subsystem maintainers and mailing lists * Email Clients: Documentation/process/email-clients.rst