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7c128a6bbd
Two bpf programs are added in this patch for netlink and ipv6_route target. On my VM, I am able to achieve identical results compared to /proc/net/netlink and /proc/net/ipv6_route. $ cat /proc/net/netlink sk Eth Pid Groups Rmem Wmem Dump Locks Drops Inode 000000002c42d58b 0 0 00000000 0 0 0 2 0 7 00000000a4e8b5e1 0 1 00000551 0 0 0 2 0 18719 00000000e1b1c195 4 0 00000000 0 0 0 2 0 16422 000000007e6b29f9 6 0 00000000 0 0 0 2 0 16424 .... 00000000159a170d 15 1862 00000002 0 0 0 2 0 1886 000000009aca4bc9 15 3918224839 00000002 0 0 0 2 0 19076 00000000d0ab31d2 15 1 00000002 0 0 0 2 0 18683 000000008398fb08 16 0 00000000 0 0 0 2 0 27 $ cat /sys/fs/bpf/my_netlink sk Eth Pid Groups Rmem Wmem Dump Locks Drops Inode 000000002c42d58b 0 0 00000000 0 0 0 2 0 7 00000000a4e8b5e1 0 1 00000551 0 0 0 2 0 18719 00000000e1b1c195 4 0 00000000 0 0 0 2 0 16422 000000007e6b29f9 6 0 00000000 0 0 0 2 0 16424 .... 00000000159a170d 15 1862 00000002 0 0 0 2 0 1886 000000009aca4bc9 15 3918224839 00000002 0 0 0 2 0 19076 00000000d0ab31d2 15 1 00000002 0 0 0 2 0 18683 000000008398fb08 16 0 00000000 0 0 0 2 0 27 $ cat /proc/net/ipv6_route fe800000000000000000000000000000 40 00000000000000000000000000000000 00 00000000000000000000000000000000 00000100 00000001 00000000 00000001 eth0 00000000000000000000000000000000 00 00000000000000000000000000000000 00 00000000000000000000000000000000 ffffffff 00000001 00000000 00200200 lo 00000000000000000000000000000001 80 00000000000000000000000000000000 00 00000000000000000000000000000000 00000000 00000003 00000000 80200001 lo fe80000000000000c04b03fffe7827ce 80 00000000000000000000000000000000 00 00000000000000000000000000000000 00000000 00000002 00000000 80200001 eth0 ff000000000000000000000000000000 08 00000000000000000000000000000000 00 00000000000000000000000000000000 00000100 00000003 00000000 00000001 eth0 00000000000000000000000000000000 00 00000000000000000000000000000000 00 00000000000000000000000000000000 ffffffff 00000001 00000000 00200200 lo $ cat /sys/fs/bpf/my_ipv6_route fe800000000000000000000000000000 40 00000000000000000000000000000000 00 00000000000000000000000000000000 00000100 00000001 00000000 00000001 eth0 00000000000000000000000000000000 00 00000000000000000000000000000000 00 00000000000000000000000000000000 ffffffff 00000001 00000000 00200200 lo 00000000000000000000000000000001 80 00000000000000000000000000000000 00 00000000000000000000000000000000 00000000 00000003 00000000 80200001 lo fe80000000000000c04b03fffe7827ce 80 00000000000000000000000000000000 00 00000000000000000000000000000000 00000000 00000002 00000000 80200001 eth0 ff000000000000000000000000000000 08 00000000000000000000000000000000 00 00000000000000000000000000000000 00000100 00000003 00000000 00000001 eth0 00000000000000000000000000000000 00 00000000000000000000000000000000 00 00000000000000000000000000000000 ffffffff 00000001 00000000 00200200 lo Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200509175921.2477493-1-yhs@fb.com |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| 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.
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.