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net: add support for sending RFC 8335 PROBE messages

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Modify the ping_supported function to support PROBE message types. This
allows tools such as the ping command in the iputils package to be
modified to send PROBE requests through the existing framework for
sending ping requests.

Signed-off-by: Andreas Roeseler <andreas.a.roeseler@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andreas Roeseler 2021-03-29 18:45:36 -07:00 committed by David S. Miller
parent f1b8fa9fa5
commit 08baf54f01
1 changed files with 3 additions and 1 deletions
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4
net/ipv4/ping.c
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@ -453,7 +453,9 @@ EXPORT_SYMBOL_GPL(ping_bind);
static inline int ping_supported(int family, int type, int code)
{
return (family == AF_INET && type == ICMP_ECHO && code == 0) ||
(family == AF_INET6 && type == ICMPV6_ECHO_REQUEST && code == 0);
(family == AF_INET && type == ICMP_EXT_ECHO && code == 0) ||
(family == AF_INET6 && type == ICMPV6_ECHO_REQUEST && code == 0) ||
(family == AF_INET6 && type == ICMPV6_EXT_ECHO_REQUEST && code == 0);
}
/*