iplink_bridge: add support for priority

This patch adds support to set bridge stp priority via IFLA_BR_PRIORITY.

Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>

diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 79b9e049ff9299da16738c7079dd93db879c8094..297160c490fdb1e463b1cb472605d6b175ec3640 100644 (file)
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -25,6 +25,7 @@ static void explain(void)
                "                  [ max_age MAX_AGE ]\n"
                "                  [ ageing_time AGEING_TIME ]\n"
                "                  [ stp_state STP_STATE ]\n"
+               "                  [ priority PRIORITY ]\n"
        );
 }
 
@@ -69,6 +70,15 @@ static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
                                return -1;
                        }
                        addattr32(n, 1024, IFLA_BR_STP_STATE, val);
+               } else if (matches(*argv, "priority") == 0) {
+                       __u16 prio;
+
+                       NEXT_ARG();
+                       if (get_u16(&prio, *argv, 0)) {
+                               invarg("invalid priority", *argv);
+                               return -1;
+                       }
+                       addattr16(n, 1024, IFLA_BR_PRIORITY, prio);
                } else if (matches(*argv, "help") == 0) {
                        explain();
                        return -1;