[PATCH v4 net-next 3/3] net: add support for sending RFC8335 PROBE

From: Andreas Roeseler
Date: Tue Nov 17 2020 - 19:47:49 EST


Modifying the ping_supported function to support probe message types
allows the user to send probe requests through the existing framework
for sending ping requests.

Signed-off-by: Andreas Roeseler <andreas.a.roeseler@xxxxxxxxx>
---
Changes since v1:
- Switch to correct base tree

Changes since v2:
- Switch to net-next tree 67c70b5eb2bf7d0496fcb62d308dc3096bc11553

Changes since v3:
- Reorder patches add defines first
---
net/ipv4/ping.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 248856b301c4..39bdcb2bfc92 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -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);
}

/*
--
2.29.2