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af87a3aa1b
This allows NIC's XDP to redirect packets to veth. The destination veth device enqueues redirected packets to the napi ring of its peer, then they are processed by XDP on its peer veth device. This can be thought as calling another XDP program by XDP program using REDIRECT, when the peer enables driver XDP. Note that when the peer veth device does not set driver xdp, redirected packets will be dropped because the peer is not ready for NAPI. v4: - Don't use xdp_ok_fwd_dev() because checking IFF_UP is not necessary. Add comments about it and check only MTU. v2: - Drop the part converting xdp_frame into skb when XDP is not enabled. - Implement bulk interface of ndo_xdp_xmit. - Implement XDP_XMIT_FLUSH bit and drop ndo_xdp_flush. Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp> Acked-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| 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 Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
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.