From: Roy Marples <roy@marples.name>
Date: Mon, 28 Apr 2014 23:56:21 +0000 (+0000)
Subject: Support IFA_F_NOPREFIXROUTE on Linux.
X-Git-Tag: v6.4.0~88
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b94eea5aa7b22adc63c01c2d00fa796335d1116b;p=thirdparty%2Fdhcpcd.git

Support IFA_F_NOPREFIXROUTE on Linux.
---

diff --git a/if-linux.c b/if-linux.c
index 546be369..ad52bba7 100644
--- a/if-linux.c
+++ b/if-linux.c
@@ -32,6 +32,7 @@
 #include <sys/ioctl.h>
 #include <sys/param.h>
 
+#include <linux/if_addr.h>
 #include <linux/filter.h>
 #include <linux/if_packet.h>
 #include <linux/netlink.h>
@@ -992,6 +993,9 @@ if_address6(const struct ipv6_addr *ap, int action)
 	struct nlma nlm;
 	struct ifa_cacheinfo cinfo;
 	int retval = 0;
+#ifdef IFA_F_NOPREFIXROUTE
+	uint32_t flags;
+#endif
 
 	memset(&nlm, 0, sizeof(nlm));
 	nlm.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
@@ -1018,6 +1022,11 @@ if_address6(const struct ipv6_addr *ap, int action)
 		    &cinfo, sizeof(cinfo));
 	}
 
+#ifdef IFA_F_NOPREFIXROUTE
+	flags = IFA_F_NOPREFIXROUTE;
+	add_attr_32(&nlm.hdr, sizeof(nlm), IFA_FLAGS, flags);
+#endif
+
 	if (send_netlink(ap->iface->ctx, &nlm.hdr) == -1)
 		retval = -1;
 	return retval;