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/*
* iplink_bond_slave.c Bonding slave device support
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Authors: Jiri Pirko <jiri@resnulli.us>
*/
#include <stdio.h>
#include <sys/socket.h>
#include <linux/if_bonding.h>
#include "rt_names.h"
#include "utils.h"
#include "ip_common.h"
static void print_explain(FILE *f)
{
fprintf(f, "Usage: ... bond_slave [ queue_id ID ]\n");
}
static void explain(void)
{
print_explain(stderr);
}
static const char *slave_states[] = {
[BOND_STATE_ACTIVE] = "ACTIVE",
[BOND_STATE_BACKUP] = "BACKUP",
};
static void print_slave_state(FILE *f, struct rtattr *tb)
{
unsigned int state = rta_getattr_u8(tb);
if (state >= ARRAY_SIZE(slave_states))
print_int(PRINT_ANY, "state_index", "state %d ", state);
else
print_string(PRINT_ANY,
"state",
"state %s ",
slave_states[state]);
}
static const char *slave_mii_status[] = {
[BOND_LINK_UP] = "UP",
[BOND_LINK_FAIL] = "GOING_DOWN",
[BOND_LINK_DOWN] = "DOWN",
[BOND_LINK_BACK] = "GOING_BACK",
};
static void print_slave_mii_status(FILE *f, struct rtattr *tb)
{
unsigned int status = rta_getattr_u8(tb);
if (status >= ARRAY_SIZE(slave_mii_status))
print_int(PRINT_ANY,
"mii_status_index",
"mii_status %d ",
status);
else
print_string(PRINT_ANY,
"mii_status",
"mii_status %s ",
slave_mii_status[status]);
}
static void print_slave_oper_state(FILE *fp, const char *name, __u16 state)
{
open_json_array(PRINT_ANY, name);
print_string(PRINT_FP, NULL, " <", NULL);
#define _PF(s, str) if (state & LACP_STATE_##s) { \
state &= ~LACP_STATE_##s; \
print_string(PRINT_ANY, NULL, \
state ? "%s," : "%s", str); }
_PF(LACP_ACTIVITY, "active");
_PF(LACP_TIMEOUT, "short_timeout");
_PF(AGGREGATION, "aggregating");
_PF(SYNCHRONIZATION, "in_sync");
_PF(COLLECTING, "collecting");
_PF(DISTRIBUTING, "distributing");
_PF(DEFAULTED, "defaulted");
_PF(EXPIRED, "expired");
#undef _PF
close_json_array(PRINT_ANY, "> ");
}
static void bond_slave_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
SPRINT_BUF(b1);
if (!tb)
return;
if (tb[IFLA_BOND_SLAVE_STATE])
print_slave_state(f, tb[IFLA_BOND_SLAVE_STATE]);
if (tb[IFLA_BOND_SLAVE_MII_STATUS])
print_slave_mii_status(f, tb[IFLA_BOND_SLAVE_MII_STATUS]);
if (tb[IFLA_BOND_SLAVE_LINK_FAILURE_COUNT])
print_int(PRINT_ANY,
"link_failure_count",
"link_failure_count %d ",
rta_getattr_u32(tb[IFLA_BOND_SLAVE_LINK_FAILURE_COUNT]));
if (tb[IFLA_BOND_SLAVE_PERM_HWADDR])
print_string(PRINT_ANY,
"perm_hwaddr",
"perm_hwaddr %s ",
ll_addr_n2a(RTA_DATA(tb[IFLA_BOND_SLAVE_PERM_HWADDR]),
RTA_PAYLOAD(tb[IFLA_BOND_SLAVE_PERM_HWADDR]),
0, b1, sizeof(b1)));
if (tb[IFLA_BOND_SLAVE_QUEUE_ID])
print_int(PRINT_ANY,
"queue_id",
"queue_id %d ",
rta_getattr_u16(tb[IFLA_BOND_SLAVE_QUEUE_ID]));
if (tb[IFLA_BOND_SLAVE_AD_AGGREGATOR_ID])
print_int(PRINT_ANY,
"ad_aggregator_id",
"ad_aggregator_id %d ",
rta_getattr_u16(tb[IFLA_BOND_SLAVE_AD_AGGREGATOR_ID]));
if (tb[IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE]) {
__u8 state = rta_getattr_u8(tb[IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE]);
print_int(PRINT_ANY,
"ad_actor_oper_port_state",
"ad_actor_oper_port_state %d ",
state);
print_slave_oper_state(f, "ad_actor_oper_port_state_str", state);
}
if (tb[IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE]) {
__u16 state = rta_getattr_u8(tb[IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE]);
print_int(PRINT_ANY,
"ad_partner_oper_port_state",
"ad_partner_oper_port_state %d ",
state);
print_slave_oper_state(f, "ad_partner_oper_port_state_str", state);
}
}
static int bond_slave_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
__u16 queue_id;
while (argc > 0) {
if (matches(*argv, "queue_id") == 0) {
NEXT_ARG();
if (get_u16(&queue_id, *argv, 0))
invarg("queue_id is invalid", *argv);
addattr16(n, 1024, IFLA_BOND_SLAVE_QUEUE_ID, queue_id);
} else {
if (matches(*argv, "help") != 0)
fprintf(stderr,
"bond_slave: unknown option \"%s\"?\n",
*argv);
explain();
return -1;
}
argc--, argv++;
}
return 0;
}
static void bond_slave_print_help(struct link_util *lu, int argc, char **argv,
FILE *f)
{
print_explain(f);
}
struct link_util bond_slave_link_util = {
.id = "bond_slave",
.maxattr = IFLA_BOND_SLAVE_MAX,
.print_opt = bond_slave_print_opt,
.parse_opt = bond_slave_parse_opt,
.print_help = bond_slave_print_help,
.parse_ifla_xstats = bond_parse_xstats,
.print_ifla_xstats = bond_print_xstats,
};
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