# HG changeset patch
# User Roy Marples <roy@marples.name>
# Date 1589906689 0
# Node ID 40c8b6fa20338497178814176f9a23b6e6453986
# Parent  23363945d9a110bd09fd7003fa7e17a4429ea878
Linux: workaround a kernel bug when sending DHCPv6 over SOCK_RAW

The equivalent works fine for DHCP messages, so hum ho.

diff -r 23363945d9a1 -r 40c8b6fa2033 src/dhcp6.c
--- a/src/dhcp6.c	Tue May 19 16:13:06 2020 +0000
+++ b/src/dhcp6.c	Tue May 19 16:44:49 2020 +0000
@@ -1209,7 +1209,12 @@
 	bool broadcast = true;
 	struct sockaddr_in6 dst = {
 	    .sin6_family = AF_INET6,
+	    /* Setting the port on Linux gives EINVAL when sending.
+	     * This looks like a kernel bug as the equivalent works
+	     * fine with the DHCP counterpart. */
+#ifndef __linux__
 	    .sin6_port = htons(DHCP6_SERVER_PORT),
+#endif
 	};
 	struct udphdr udp = {
 	    .uh_sport = htons(DHCP6_CLIENT_PORT),