iproute: support onelink route option and print route flags

function                                             old     new   delta
print_route                                         1797    1865     +68
do_iproute                                          2097    2112     +15
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/0 up/down: 83/0)               Total: 83 bytes

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 17 insertions, 1 deletions

diff --git a/networking/libiproute/iproute.c b/networking/libiproute/iproute.c
index ec4d8ba03..170c67b30 100644
--- a/networking/libiproute/iproute.c
+++ b/networking/libiproute/iproute.c
@@ -298,6 +298,19 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
         if (tb[RTA_PRIORITY]) {
                 printf(" metric %d ", *(uint32_t*)RTA_DATA(tb[RTA_PRIORITY]));
         }
+        if (r->rtm_flags & RTNH_F_DEAD) {
+                printf("dead ");
+        }
+        if (r->rtm_flags & RTNH_F_ONLINK) {
+                printf("onlink ");
+        }
+        if (r->rtm_flags & RTNH_F_PERVASIVE) {
+                printf("pervasive ");
+        }
+        if (r->rtm_flags & RTM_F_NOTIFY) {
+                printf("notify ");
+        }
+
         if (r->rtm_family == AF_INET6) {
                 struct rta_cacheinfo *ci = NULL;
                 if (tb[RTA_CACHEINFO]) {
@@ -330,7 +343,7 @@ static int iproute_modify(int cmd, unsigned flags, char **argv)
 {
         static const char keywords[] ALIGN1 =
                 "src\0""via\0""mtu\0""lock\0""protocol\0"IF_FEATURE_IP_RULE("table\0")
-                "dev\0""oif\0""to\0""metric\0";
+                "dev\0""oif\0""to\0""metric\0""onlink\0";
         enum {
                 ARG_src,
                 ARG_via,
@@ -341,6 +354,7 @@ IF_FEATURE_IP_RULE(ARG_table,)
                 ARG_oif,
                 ARG_to,
                 ARG_metric,
+                ARG_onlink,
         };
         enum {
                 gw_ok = 1 << 0,
@@ -431,6 +445,8 @@ IF_FEATURE_IP_RULE(ARG_table,)
                         NEXT_ARG();
                         metric = get_u32(*argv, "metric");
                         addattr32(&req.n, sizeof(req), RTA_PRIORITY, metric);
+                } else if (arg == ARG_onlink) {
+                        req.r.rtm_flags |= RTNH_F_ONLINK;
                 } else {
                         int type;
                         inet_prefix dst;