selftests: net: test IPV6_HOPLIMIT

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Test setting IPV6_HOPLIMIT via setsockopt and cmsg
across socket types.

Output without the kernel support (this series):

  Case HOPLIMIT ICMP cmsg - packet data returned 1, expected 0
  Case HOPLIMIT ICMP diff - packet data returned 1, expected 0

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jakub Kicinski 2022-02-16 17:21:19 -08:00 • committed by David S. Miller

parent 9657ad09e1

commit 05ae83d5a4

2 changed files with 49 additions and 1 deletions

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31

tools/testing/selftests/net/cmsg_ipv6.sh

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19

tools/testing/selftests/net/cmsg_sender.c

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