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Disable IPv6 support code in vxlan when building with uClibc configured without
IPv6 support.
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
diff -Nura iproute2-3.12.0.orig/ip/iplink_vxlan.c iproute2-3.12.0/ip/iplink_vxlan.c
--- iproute2-3.12.0.orig/ip/iplink_vxlan.c 2013-11-26 14:09:13.804908955 -0300
+++ iproute2-3.12.0/ip/iplink_vxlan.c 2013-11-26 14:21:55.561997689 -0300
@@ -9,6 +9,11 @@
* Authors: Stephen Hemminger <shemminger@vyatta.com
*/
+#include <features.h>
+#if defined(__UCLIBC__) && !defined (__UCLIBC_HAS_IPV6__)
+#define NO_IPV6
+#endif
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -179,26 +184,32 @@
fprintf(stderr, "vxlan: missing virtual network identifier\n");
return -1;
}
+#ifndef NO_IPV6
if ((gaddr && daddr) ||
(memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) &&
memcmp(&daddr6, &in6addr_any, sizeof(daddr6)))) {
fprintf(stderr, "vxlan: both group and remote cannot be specified\n");
return -1;
}
+#endif
addattr32(n, 1024, IFLA_VXLAN_ID, vni);
if (gaddr)
addattr_l(n, 1024, IFLA_VXLAN_GROUP, &gaddr, 4);
else if (daddr)
addattr_l(n, 1024, IFLA_VXLAN_GROUP, &daddr, 4);
+#ifndef NO_IPV6
if (memcmp(&gaddr6, &in6addr_any, sizeof(gaddr6)) != 0)
addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &gaddr6, sizeof(struct in6_addr));
else if (memcmp(&daddr6, &in6addr_any, sizeof(daddr6)) != 0)
addattr_l(n, 1024, IFLA_VXLAN_GROUP6, &daddr6, sizeof(struct in6_addr));
+#endif
if (saddr)
addattr_l(n, 1024, IFLA_VXLAN_LOCAL, &saddr, 4);
+#ifndef NO_IPV6
else if (memcmp(&saddr6, &in6addr_any, sizeof(saddr6)) != 0)
addattr_l(n, 1024, IFLA_VXLAN_LOCAL6, &saddr6, sizeof(struct in6_addr));
+#endif
if (link)
addattr32(n, 1024, IFLA_VXLAN_LINK, link);
@@ -251,6 +262,7 @@
fprintf(f, "remote %s ",
format_host(AF_INET, 4, &addr, s1, sizeof(s1)));
}
+#ifndef NO_IPV6
} else if (tb[IFLA_VXLAN_GROUP6]) {
struct in6_addr addr;
memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_GROUP6]), sizeof(struct in6_addr));
@@ -262,6 +274,7 @@
fprintf(f, "remote %s ",
format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1)));
}
+#endif
}
if (tb[IFLA_VXLAN_LOCAL]) {
@@ -269,12 +282,14 @@
if (addr)
fprintf(f, "local %s ",
format_host(AF_INET, 4, &addr, s1, sizeof(s1)));
+#ifndef NO_IPV6
} else if (tb[IFLA_VXLAN_LOCAL6]) {
struct in6_addr addr;
memcpy(&addr, RTA_DATA(tb[IFLA_VXLAN_LOCAL6]), sizeof(struct in6_addr));
if (memcmp(&addr, &in6addr_any, sizeof(addr)) != 0)
fprintf(f, "local %s ",
format_host(AF_INET6, sizeof(struct in6_addr), &addr, s1, sizeof(s1)));
+#endif
}
if (tb[IFLA_VXLAN_LINK] &&
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