mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-09-02 08:32:55 +00:00
0c8e30252d
YAML specs don't normally include the C prefix name in the name
of the YAML attr. Remove the ifa- prefix from all attributes
in addr-attrs and specify name-prefix instead.
This is a bit risky, hopefully there aren't many users out there.
Fixes: dfb0f7d9d9 ("doc/netlink: Add spec for rt addr messages")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250403013706.2828322-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
31 lines
866 B
Python
Executable File
31 lines
866 B
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0
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from lib.py import ksft_exit, ksft_run, ksft_ge, RtnlAddrFamily
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import socket
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IPV4_ALL_HOSTS_MULTICAST = b'\xe0\x00\x00\x01'
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def dump_mcaddr_check(rtnl: RtnlAddrFamily) -> None:
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"""
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Verify that at least one interface has the IPv4 all-hosts multicast address.
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At least the loopback interface should have this address.
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"""
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addresses = rtnl.getmulticast({"ifa-family": socket.AF_INET}, dump=True)
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all_host_multicasts = [
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addr for addr in addresses if addr['multicast'] == IPV4_ALL_HOSTS_MULTICAST
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]
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ksft_ge(len(all_host_multicasts), 1,
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"No interface found with the IPv4 all-hosts multicast address")
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def main() -> None:
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rtnl = RtnlAddrFamily()
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ksft_run([dump_mcaddr_check], args=(rtnl, ))
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ksft_exit()
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if __name__ == "__main__":
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main()
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