This patch combined with an corresponding kernel
patch makes it possible to route link-local
addresses which, in practice, means DHCPv6, RA, RS
are now functional.
Signed-off-by: Michal Kazior <michal.kaz...@tieto.com>
---
main.c | 3 +++
route.c | 22 ++++++++++++++++++++++
2 files changed, 25 insertions(+)
diff --git a/main.c b/main.c
index e1d1dc997b6f..30906b2df2e9 100644
--- a/main.c
+++ b/main.c
@@ -1341,6 +1341,9 @@ static int usage(const char *progname)
" -P Disable DHCP options parsing\n"
" -L <ipaddr> Enable local access using
<ipaddr> as source address\n"
" -6 Enable IPv6 support\n"
+#ifdef RTAX_FEATURE_XFACE
+ "IPv6 link-local routing capability is compiled in.\n"
+#endif
"\n",
progname);
return -1;
diff --git a/route.c b/route.c
index fc15e9945aaf..05d8cee18214 100644
--- a/route.c
+++ b/route.c
@@ -191,6 +191,13 @@ rtnl_route_request(struct relayd_interface *rif, struct
relayd_host *host,
struct rtattr rta;
int ifindex;
} __packed dev;
+ struct {
+ struct rtattr rta;
+ struct {
+ struct rtattr rta;
+ int val;
+ } __packed features;
+ } __packed metrics;
union {
struct rtnl_addr4 addr4[3];
struct rtnl_addr6 addr6[3];
@@ -209,6 +216,21 @@ rtnl_route_request(struct relayd_interface *rif, struct
relayd_host *host,
.rta_type = RTA_OIF,
.rta_len = sizeof(req.dev),
},
+ .metrics = {
+ .rta = {
+ .rta_type = RTA_METRICS,
+ .rta_len = sizeof(req.metrics),
+ },
+ .features = {
+ .rta = {
+ .rta_type = RTAX_FEATURES,
+ .rta_len = sizeof(req.metrics.features),
+ },
+#ifdef RTAX_FEATURE_XFACE
+ .val = RTAX_FEATURE_XFACE,
+#endif
+ },
+ },
};
int pktlen = sizeof(req) - sizeof(req.addrs);
void *addrs = &req.addrs;
--
2.1.4
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