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Song Yoong Siang says: ==================== XDP Rx HWTS metadata for stmmac driver Implemented XDP receive hardware timestamp metadata for stmmac driver. This patchset is tested with tools/testing/selftests/bpf/xdp_hw_metadata. Below are the test steps and results. Command on DUT: sudo ./xdp_hw_metadata <interface name> Command on Link Partner: echo -n xdp | nc -u -q1 <destination IPv4 addr> 9091 echo -n skb | nc -u -q1 <destination IPv4 addr> 9092 Result for port 9091: poll: 1 (0) skip=1 fail=0 redir=1 xsk_ring_cons__peek: 1 0x55f69f65f6d0: rx_desc[0]->addr=100000000008000 addr=8100 comp_addr=8000 rx_timestamp: 1677762069053692631 No rx_hash err=-95 0x55f69f65f6d0: complete idx=8 addr=8000 Result for port 9092: poll: 1 (0) skip=2 fail=0 redir=1 found skb hwtstamp = 1677762071.937207680 ==================== Link: https://lore.kernel.org/r/20230415064503.3225835-1-yoong.siang.song@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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 Restructured Text 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.