Allow to print link type usage by: ip link help bridge
Signed-off-by: Zhang Shengju <[email protected]>
---
ip/iplink_bridge.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
index 297160c..1e69960 100644
--- a/ip/iplink_bridge.c
+++ b/ip/iplink_bridge.c
@@ -17,9 +17,9 @@
#include "utils.h"
#include "ip_common.h"
-static void explain(void)
+static void print_explain(FILE *f)
{
- fprintf(stderr,
+ fprintf(f,
"Usage: ... bridge [ forward_delay FORWARD_DELAY ]\n"
" [ hello_time HELLO_TIME ]\n"
" [ max_age MAX_AGE ]\n"
@@ -29,6 +29,11 @@ static void explain(void)
);
}
+static void explain(void)
+{
+ print_explain(stderr);
+}
+
static int bridge_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
@@ -111,9 +116,16 @@ static void bridge_print_opt(struct link_util *lu, FILE
*f, struct rtattr *tb[])
rta_getattr_u32(tb[IFLA_BR_MAX_AGE]));
}
+static void bridge_print_help(struct link_util *lu, int argc, char **argv,
+ FILE *f)
+{
+ print_explain(f);
+}
+
struct link_util bridge_link_util = {
.id = "bridge",
.maxattr = IFLA_BR_MAX,
.parse_opt = bridge_parse_opt,
.print_opt = bridge_print_opt,
+ .print_help = bridge_print_help,
};
--
1.8.3.1
--
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