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Add test to validate the headroom adjustment support for both extension and the shrinking cases. For the extension part, eat up space from the start of payload data whereas, for the shrinking part, populate the newly available space with a tag. In the user-space, validate that a test string is manipulated accordingly. The negative and positive offset values result in shrinking and growing of headroom (growing and shrinking of payload) respectively. TAP version 13 1..9 ok 1 xdp.test_xdp_native_pass_sb ok 2 xdp.test_xdp_native_pass_mb ok 3 xdp.test_xdp_native_drop_sb ok 4 xdp.test_xdp_native_drop_mb ok 5 xdp.test_xdp_native_tx_mb \# Failed run: pkt_sz 512, ... offset 1. Reason: Adjustment failed ok 6 xdp.test_xdp_native_adjst_tail_grow_data ok 7 xdp.test_xdp_native_adjst_tail_shrnk_data \# Failed run: pkt_sz 512, ... offset -128. Reason: Adjustment failed ok 8 xdp.test_xdp_native_adjst_head_grow_data \# Failed run: pkt_sz (512) > HDS threshold (0) and offset 64 > 48 ok 9 xdp.test_xdp_native_adjst_head_shrnk_data \# Totals: pass:9 fail:0 xfail:0 xpass:0 skip:0 error:0 Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com> Link: https://patch.msgid.link/20250719083059.3209169-6-mohsin.bashr@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
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| samples | ||
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| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.