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iplink: shortify printing the usage of link type 

Allow to print link type usage by: ip link help bridge_slave

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
This commit is contained in:
Zhang Shengju 2015-08-12 06:03:24 +00:00 committed by Stephen Hemminger
parent 43367ef7eb
commit a560d850d9
1 changed files with 14 additions and 2 deletions
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16
ip/iplink_bridge_slave.c
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@ -19,9 +19,9 @@
#include "utils.h" #include "utils.h"
#include "ip_common.h" #include "ip_common.h"
static void explain(void) static void print_explain(FILE *f)
{ {
fprintf(stderr, fprintf(f,
"Usage: ... bridge_slave [ state STATE ] [ priority PRIO ] [cost COST ]\n" "Usage: ... bridge_slave [ state STATE ] [ priority PRIO ] [cost COST ]\n"
" [ guard {on | off} ]\n" " [ guard {on | off} ]\n"
" [ hairpin {on | off} ] \n" " [ hairpin {on | off} ] \n"
@ -32,6 +32,11 @@ static void explain(void)
); );
} }
static void explain(void)
{
print_explain(stderr);
}
static const char *port_states[] = { static const char *port_states[] = {
[BR_STATE_DISABLED] = "disabled", [BR_STATE_DISABLED] = "disabled",
[BR_STATE_LISTENING] = "listening", [BR_STATE_LISTENING] = "listening",
@ -172,10 +177,17 @@ static int bridge_slave_parse_opt(struct link_util *lu, int argc, char **argv,
return 0; return 0;
} }
static void bridge_slave_print_help(struct link_util *lu, int argc, char **argv,
FILE *f)
{
print_explain(f);
}
struct link_util bridge_slave_link_util = { struct link_util bridge_slave_link_util = {
.id = "bridge", .id = "bridge",
.maxattr = IFLA_BRPORT_MAX, .maxattr = IFLA_BRPORT_MAX,
.print_opt = bridge_slave_print_opt, .print_opt = bridge_slave_print_opt,
.parse_opt = bridge_slave_parse_opt, .parse_opt = bridge_slave_parse_opt,
.print_help = bridge_slave_print_help,
.slave = true, .slave = true,
}; };