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Jakub Kicinski b430f6c38d Merge branch 'virtio_udp_tunnel_08_07_2025' of https://github.com/pabeni/linux-devel 
Paolo Abeni says:

====================
virtio: introduce GSO over UDP tunnel

Some virtualized deployments use UDP tunnel pervasively and are impacted
negatively by the lack of GSO support for such kind of traffic in the
virtual NIC driver.

The virtio_net specification recently introduced support for GSO over
UDP tunnel, this series updates the virtio implementation to support
such a feature.

Currently the kernel virtio support limits the feature space to 64,
while the virtio specification allows for a larger number of features.
Specifically the GSO-over-UDP-tunnel-related virtio features use bits
65-69.

The first four patches in this series rework the virtio and vhost
feature support to cope with up to 128 bits. The limit is set by
a define and could be easily raised in future, as needed.

This implementation choice is aimed at keeping the code churn as
limited as possible. For the same reason, only the virtio_net driver is
reworked to leverage the extended feature space; all other
virtio/vhost drivers are unaffected, but could be upgraded to support
the extended features space in a later time.

The last four patches bring in the actual GSO over UDP tunnel support.
As per specification, some additional fields are introduced into the
virtio net header to support the new offload. The presence of such
fields depends on the negotiated features.

New helpers are introduced to convert the UDP-tunneled skb metadata to
an extended virtio net header and vice versa. Such helpers are used by
the tun and virtio_net driver to cope with the newly supported offloads.

Tested with basic stream transfer with all the possible permutations of
host kernel/qemu/guest kernel with/without GSO over UDP tunnel support.
====================

Link: https://patch.msgid.link/cover.1751874094.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 		2025-07-10 13:32:35 -07:00
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atomic
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bash-completion kbuild: add Kbuild bash completion 2025-03-15 21:22:52 +09:00
basic integer-wrap: Force full rebuild when .scl file changes 2025-05-08 09:42:06 -07:00
clang-tools gen_compile_commands.py: remove code for '\#' replacement 2025-03-15 21:16:21 +09:00
coccinelle - The 7 patch series "powerpc/crash: use generic crashkernel 2025-04-01 10:06:52 -07:00
dtc dt: dt-extract-compatibles: Extract compatibles from function parameters 2024-09-05 10:17:03 -05:00
dummy-tools
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gcc-plugins hardening fixes for v6.16-rc1 (take 2) 2025-06-01 11:37:01 -07:00
gdb scripts/gdb: fix dentry_name() lookup 2025-06-25 15:55:03 -07:00
gendwarfksyms gendwarfksyms: Fix structure type overrides 2025-06-16 00:49:48 +09:00
genksyms genksyms: Fix enum consts from a reference affecting new values 2025-06-07 14:38:07 +09:00
include scripts: import more list macros 2024-10-07 02:12:27 +09:00
ipe scripts: ipe: polgen: remove redundant close and error exit path 2024-11-19 13:57:03 -08:00
kconfig kconfig: introduce menu type enum 2025-06-06 05:40:25 +09:00
ksymoops
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lib scripts/kernel_doc.py: properly handle VIRTIO_DECLARE_FEATURES 2025-07-08 18:04:39 +02:00
mod modpost: check forbidden MODULE_IMPORT_NS("module:") at compile time 2025-05-25 18:15:51 +09:00
package kbuild: rpm-pkg: Add (elfutils-devel or libdw-devel) to BuildRequires 2025-05-12 15:03:17 +09:00
selinux selinux: Chain up tool resolving errors in install_policy.sh 2025-03-07 14:38:34 -05:00
tracing scripts/tracing: Remove scripts/tracing/draw_functrace.py 2025-03-20 07:02:21 -04:00
.gitignore lib: packing: add pack_fields() and unpack_fields() 2024-12-11 20:13:00 -08:00
Kbuild.include kbuild: add $(objtree)/ prefix to some in-kernel build artifacts 2024-11-27 09:38:27 +09:00
Kconfig.include kbuild: rust: add `CONFIG_RUSTC_LLVM_VERSION` 2024-10-13 22:22:28 +02:00
Lindent
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Makefile Kbuild updates for v6.14 2025-01-31 12:07:07 -08:00
Makefile.asm-headers kbuild: fix rebuild of generic syscall headers 2024-07-18 10:01:55 -07:00
Makefile.autofdo AutoFDO: Enable machine function split optimization for AutoFDO 2024-11-27 09:38:27 +09:00
Makefile.btf kbuild, bpf: Enable --btf_features=attributes 2025-04-15 11:17:50 -07:00
Makefile.build Kbuild updates for v6.16 2025-06-07 10:05:35 -07:00
Makefile.clang kbuild: clang: Support building UM with SUBARCH=i386 2025-03-04 09:40:13 -08:00
Makefile.clean kbuild: change working directory to external module directory with M= 2024-11-28 08:10:23 +09:00
Makefile.compiler require gcc-8 and binutils-2.30 2025-05-31 08:16:52 -07:00
Makefile.debug
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Makefile.defconf kbuild: suppress stdout from merge_config for silent builds 2025-01-10 23:01:21 +09:00
Makefile.dtbinst
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Makefile.dtbs kbuild: move non-boot built-in DTBs to .rodata section 2024-09-30 20:42:52 +09:00
Makefile.extrawarn hardening updates for v6.16-rc1 2025-05-28 07:47:10 -07:00
Makefile.gcc-plugins require gcc-8 and binutils-2.30 2025-05-31 08:16:52 -07:00
Makefile.headersinst
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Makefile.host kbuild: support building external modules in a separate build directory 2024-11-28 08:11:55 +09:00
Makefile.kasan kbuild: rust: Enable KASAN support 2024-09-16 18:04:37 +02:00
Makefile.kcov - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
Makefile.kcsan
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Makefile.kmsan
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Makefile.lib Kbuild updates for v6.16 2025-06-07 10:05:35 -07:00
Makefile.modfinal kbuild: re-enable KCSAN for autogenerated *.mod.c intermediaries 2024-11-28 08:11:55 +09:00
Makefile.modinst kbuild: Fix signing issue for external modules 2025-01-18 08:52:09 +09:00
Makefile.modpost modpost: Allow extended modversions without basic MODVERSIONS 2025-01-11 02:36:32 +09:00
Makefile.package kbuild: rpm-pkg: disable kernel-devel package when cross-compiling 2024-10-31 21:40:46 +09:00
Makefile.propeller kbuild: Fix Propeller build option 2024-11-27 09:38:27 +09:00
Makefile.randstruct
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Makefile.ubsan ARM: 2025-05-29 08:10:01 -07:00
Makefile.userprogs
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Makefile.vdsoinst
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Makefile.vmlinux kbuild: fix typos "module.builtin" to "modules.builtin" 2025-05-12 15:04:52 +09:00
Makefile.vmlinux_o kbuild: fix typos "module.builtin" to "modules.builtin" 2025-05-12 15:04:52 +09:00
as-version.sh
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asn1_compiler.c
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bloat-o-meter
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bootgraph.pl
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bpf_doc.py scripts/bpf_doc.py: implement json output format 2025-05-09 11:31:23 -07:00
build-version kbuild: move init/build-version to scripts/ 2024-07-16 01:08:37 +09:00
cc-can-link.sh
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cc-version.sh
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check-git
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check-sysctl-docs
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check-uapi.sh
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check-variable-fonts.sh
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check_extable.sh
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checkdeclares.pl
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checkincludes.pl
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checkkconfigsymbols.py
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checkpatch.pl checkpatch: check for comment explaining rgmii(|-rxid|-txid) PHY modes 2025-06-26 14:49:10 +02:00
checkstack.pl
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checksyscalls.sh
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checktransupdate.py scripts: fix all issues reported by pylint 2024-07-29 15:34:22 -06:00
checkversion.pl
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cleanfile
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cleanpatch
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coccicheck kbuild: change working directory to external module directory with M= 2024-11-28 08:10:23 +09:00
config kbuild: fix argument parsing in scripts/config 2025-03-15 21:22:42 +09:00
const_structs.checkpatch const_structs.checkpatch: add ctl_table 2024-10-09 13:39:11 +02:00
decode_stacktrace.sh scripts/decode_stacktrace.sh: fix decoding of lines with an additional info 2025-01-12 19:03:34 -08:00
decodecode
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depmod.sh kbuild: add $(objtree)/ prefix to some in-kernel build artifacts 2024-11-27 09:38:27 +09:00
dev-needs.sh
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diffconfig
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documentation-file-ref-check scripts/documentation-file-ref-check: don't check perl/python scripts 2025-02-10 11:19:56 -07:00
extract-fwblobs scripts: add script to extract built-in firmware blobs 2025-03-16 22:30:46 -07:00
extract-ikconfig
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extract-module-sig.pl
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extract-sys-certs.pl
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extract-vmlinux
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extract_xc3028.pl
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faddr2line Revert "scripts/faddr2line: Check only two symbols when calculating symbol size" 2024-10-17 15:16:04 -07:00
file-size.sh
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find-unused-docs.sh scripts/kernel-doc.py: don't create *.pyc files 2025-04-24 10:12:46 -06:00
gen-crc-consts.py riscv/crc: add "template" for Zbc optimized CRC functions 2025-03-10 09:29:08 -07:00
gen-randstruct-seed.sh
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gen_packed_field_checks.c lib: packing: add pack_fields() and unpack_fields() 2024-12-11 20:13:00 -08:00
generate_builtin_ranges.awk kbuild: exclude .rodata.(cst|str)* when building ranges 2025-03-15 21:22:52 +09:00
generate_initcall_order.pl
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generate_rust_analyzer.py rust: compile libcore with edition 2024 for 1.87+ 2025-05-25 22:59:47 +02:00
generate_rust_target.rs rust: convert raw URLs to Markdown autolinks in comments 2025-05-12 00:20:25 +02:00
get_abi.py scripts/get_abi.py: add support for undefined ABIs 2025-02-10 11:19:57 -07:00
get_dvb_firmware
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get_feat.pl scripts: get_feat.pl: substitute s390x with s390 2025-03-12 16:25:50 -06:00
get_maintainer.pl get_maintainer: stop reporting subsystem status as maintainer role 2025-03-16 22:30:49 -07:00
gfp-translate scripts: fix gfp-translate after ___GFP_*_BITS conversion to an enum 2024-09-01 17:59:01 -07:00
git-resolve.sh git-resolve: add SPDX and copyright line 2025-04-25 15:54:24 +02:00
git.orderFile
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head-object-list.txt openrisc: place exception table at the head of vmlinux 2024-12-10 12:04:19 +00:00
headerdep.pl
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headers_install.sh
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insert-sys-cert.c
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install.sh kbuild: Create INSTALL_PATH directory if it does not exist 2024-07-20 13:34:54 +09:00
integer-wrap-ignore.scl ubsan/overflow: Enable ignorelist parsing and add type filter 2025-03-07 19:58:05 -08:00
jobserver-exec
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kallsyms.c kallsyms: Remove KALLSYMS_ABSOLUTE_PERCPU 2025-02-18 10:16:04 +01:00
kernel-doc scripts/kernel-doc: switch to use kernel-doc.py 2025-04-09 12:10:34 -06:00
kernel-doc.pl scripts: kernel-doc: fix parsing function-like typedefs (again) 2025-04-09 12:10:34 -06:00
kernel-doc.py scripts/kernel_doc.py: better handle exported symbols 2025-04-09 12:10:34 -06:00
ld-version.sh kbuild: Make ld-version.sh more robust against version string changes 2024-07-15 03:13:32 +09:00
leaking_addresses.pl
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link-vmlinux.sh Kbuild updates for v6.15 2025-04-05 15:46:50 -07:00
macro_checker.py scripts: add macro_checker script to check unused parameters in macros 2024-09-01 20:43:28 -07:00
make_fit.py scripts/make_fit: Print DT name before libfdt errors 2025-03-27 14:03:32 -05:00
makelst
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markup_oops.pl
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min-tool-version.sh kbuild: require gcc-8 and binutils-2.30 2025-04-30 21:53:35 +02:00
misc-check kbuild: move warnings about linux/export.h from W=1 to W=2 2025-06-16 00:41:40 +09:00
mkcompile_h
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mksysmap scripts/mksysmap: Fix escape chars '$' 2024-12-28 23:23:52 +09:00
mkuboot.sh
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module-common.c kbuild: compile constant module information only once 2024-09-07 17:24:08 +09:00
module.lds.S kbuild: keep symbols for symbol_get() even with CONFIG_TRIM_UNUSED_KSYMS 2025-02-06 01:08:58 +09:00
modules-check.sh
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nsdeps scripts/nsdeps: get 'make nsdeps' working again 2024-12-03 08:22:25 -08:00
objdiff
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objdump-func
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orc_hash.sh
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pahole-version.sh
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parse-maintainers.pl
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patch-kernel
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profile2linkerlist.pl
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prune-kernel
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recordmcount.c
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recordmcount.h
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recordmcount.pl
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relocs_check.sh
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remove-stale-files selinux: move genheaders to security/selinux/ 2024-10-03 16:07:51 -04:00
rust_is_available.sh rust: document `bindgen` 0.71.0 regression 2025-01-10 00:17:00 +01:00
rust_is_available_bindgen_0_66.h rust: warn about `bindgen` versions 0.66.0 and 0.66.1 2024-07-10 10:28:52 +02:00
rust_is_available_bindgen_libclang.h
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rust_is_available_bindgen_libclang_concat.h rust: warn on bindgen < 0.69.5 and libclang >= 19.1 2024-11-12 21:26:54 +01:00
rust_is_available_test.py rust: warn on bindgen < 0.69.5 and libclang >= 19.1 2024-11-12 21:26:54 +01:00
rustc-llvm-version.sh kbuild: rust: avoid errors with old `rustc`s without LLVM patch version 2024-10-28 00:27:16 +01:00
rustc-version.sh kbuild: rust: add `CONFIG_RUSTC_VERSION` 2024-09-05 22:44:18 +02:00
rustdoc_test_builder.rs rust: use absolute paths in macros referencing core and kernel 2025-05-23 00:12:14 +02:00
rustdoc_test_gen.rs rust: use absolute paths in macros referencing core and kernel 2025-05-23 00:12:14 +02:00
setlocalversion setlocalversion: add -e option 2024-11-28 08:11:56 +09:00
show_delta scripts: make python shebangs specific about desired version 2025-03-15 21:19:44 +09:00
sign-file.c sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
sorttable.c scripts/sorttable: Fix endianness handling in build-time mcount sort 2025-04-02 09:51:26 -04:00
spdxcheck-test.sh
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spdxcheck.py scripts/spdxcheck: Handle license identifiers in Jinja comments 2025-01-08 15:38:33 +01:00
spdxexclude
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spelling.txt treewide: fix typo "previlege" 2025-05-11 17:54:10 -07:00
sphinx-pre-install scripts: sphinx-pre-install: remove unnecessary double check for $cur_version 2024-09-05 14:32:36 -06:00
split-man.pl
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ssl-common.h sign-file,extract-cert: avoid using deprecated ERR_get_error_line() 2024-09-20 19:49:52 +03:00
stackdelta
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stackusage
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subarch.include scripts: subarch.include: fix SUBARCH on macOS hosts 2024-09-10 13:56:37 +09:00
syscall.tbl fs: add open_tree_attr() 2025-02-12 12:12:28 +01:00
syscallhdr.sh
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syscallnr.sh
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syscalltbl.sh
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tags.sh scripts/tags.sh: allow to use alternative ctags implementation 2025-06-06 05:40:25 +09:00
tools-support-relr.sh
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unifdef.c
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ver_linux
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verify_builtin_ranges.awk scripts: add verifier script for builtin module range data 2024-09-20 09:21:52 +09:00
xen-hypercalls.sh
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xz_wrap.sh xz: adjust arch-specific options for better kernel compression 2024-09-01 20:43:27 -07:00