On Wed, Oct 12, 2022 at 05:45:30PM +0200, Stefano Brivio wrote:
If we ping a link-local address, we need to pass this
to sendto(), as
it will obviously fail with -EINVAL otherwise.
If we ping other addresses, it's probably a good idea anyway to
specify the configured outbound interface here.
Signed-off-by: Stefano Brivio <sbrivio(a)redhat.com>
Reviewed-by: David Gibson <david(a)gibson.dropbear.id.au>
---
icmp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/icmp.c b/icmp.c
index 6bd87fd..21ea2d7 100644
--- a/icmp.c
+++ b/icmp.c
@@ -192,6 +192,7 @@ int icmp_tap_handler(const struct ctx *c, int af, const void *addr,
struct sockaddr_in6 sa = {
.sin6_family = AF_INET6,
.sin6_addr = IN6ADDR_ANY_INIT,
+ .sin6_scope_id = c->ifi6,
};
struct icmp6hdr *ih;
int id, s;
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson