1 /*
2 * iplink_bond_slave.c Bonding slave device support
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 *
9 * Authors: Jiri Pirko <jiri@resnulli.us>
10 */
11
12 #include <stdio.h>
13 #include <sys/socket.h>
14 #include <linux/if_bonding.h>
15
16 #include "rt_names.h"
17 #include "utils.h"
18 #include "ip_common.h"
19
print_explain(FILE * f)20 static void print_explain(FILE *f)
21 {
22 fprintf(f, "Usage: ... bond_slave [ queue_id ID ]\n");
23 }
24
explain(void)25 static void explain(void)
26 {
27 print_explain(stderr);
28 }
29
30 static const char *slave_states[] = {
31 [BOND_STATE_ACTIVE] = "ACTIVE",
32 [BOND_STATE_BACKUP] = "BACKUP",
33 };
34
print_slave_state(FILE * f,struct rtattr * tb)35 static void print_slave_state(FILE *f, struct rtattr *tb)
36 {
37 unsigned int state = rta_getattr_u8(tb);
38
39 if (state >= ARRAY_SIZE(slave_states))
40 print_int(PRINT_ANY, "state_index", "state %d ", state);
41 else
42 print_string(PRINT_ANY,
43 "state",
44 "state %s ",
45 slave_states[state]);
46 }
47
48 static const char *slave_mii_status[] = {
49 [BOND_LINK_UP] = "UP",
50 [BOND_LINK_FAIL] = "GOING_DOWN",
51 [BOND_LINK_DOWN] = "DOWN",
52 [BOND_LINK_BACK] = "GOING_BACK",
53 };
54
print_slave_mii_status(FILE * f,struct rtattr * tb)55 static void print_slave_mii_status(FILE *f, struct rtattr *tb)
56 {
57 unsigned int status = rta_getattr_u8(tb);
58
59 if (status >= ARRAY_SIZE(slave_mii_status))
60 print_int(PRINT_ANY,
61 "mii_status_index",
62 "mii_status %d ",
63 status);
64 else
65 print_string(PRINT_ANY,
66 "mii_status",
67 "mii_status %s ",
68 slave_mii_status[status]);
69 }
70
bond_slave_print_opt(struct link_util * lu,FILE * f,struct rtattr * tb[])71 static void bond_slave_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
72 {
73 SPRINT_BUF(b1);
74 if (!tb)
75 return;
76
77 if (tb[IFLA_BOND_SLAVE_STATE])
78 print_slave_state(f, tb[IFLA_BOND_SLAVE_STATE]);
79
80 if (tb[IFLA_BOND_SLAVE_MII_STATUS])
81 print_slave_mii_status(f, tb[IFLA_BOND_SLAVE_MII_STATUS]);
82
83 if (tb[IFLA_BOND_SLAVE_LINK_FAILURE_COUNT])
84 print_int(PRINT_ANY,
85 "link_failure_count",
86 "link_failure_count %d ",
87 rta_getattr_u32(tb[IFLA_BOND_SLAVE_LINK_FAILURE_COUNT]));
88
89 if (tb[IFLA_BOND_SLAVE_PERM_HWADDR])
90 print_string(PRINT_ANY,
91 "perm_hwaddr",
92 "perm_hwaddr %s ",
93 ll_addr_n2a(RTA_DATA(tb[IFLA_BOND_SLAVE_PERM_HWADDR]),
94 RTA_PAYLOAD(tb[IFLA_BOND_SLAVE_PERM_HWADDR]),
95 0, b1, sizeof(b1)));
96
97 if (tb[IFLA_BOND_SLAVE_QUEUE_ID])
98 print_int(PRINT_ANY,
99 "queue_id",
100 "queue_id %d ",
101 rta_getattr_u16(tb[IFLA_BOND_SLAVE_QUEUE_ID]));
102
103 if (tb[IFLA_BOND_SLAVE_AD_AGGREGATOR_ID])
104 print_int(PRINT_ANY,
105 "ad_aggregator_id",
106 "ad_aggregator_id %d ",
107 rta_getattr_u16(tb[IFLA_BOND_SLAVE_AD_AGGREGATOR_ID]));
108
109 if (tb[IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE])
110 print_int(PRINT_ANY,
111 "ad_actor_oper_port_state",
112 "ad_actor_oper_port_state %d ",
113 rta_getattr_u8(tb[IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE]));
114
115 if (tb[IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE])
116 print_int(PRINT_ANY,
117 "ad_partner_oper_port_state",
118 "ad_partner_oper_port_state %d ",
119 rta_getattr_u16(tb[IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE]));
120 }
121
bond_slave_parse_opt(struct link_util * lu,int argc,char ** argv,struct nlmsghdr * n)122 static int bond_slave_parse_opt(struct link_util *lu, int argc, char **argv,
123 struct nlmsghdr *n)
124 {
125 __u16 queue_id;
126
127 while (argc > 0) {
128 if (matches(*argv, "queue_id") == 0) {
129 NEXT_ARG();
130 if (get_u16(&queue_id, *argv, 0))
131 invarg("queue_id is invalid", *argv);
132 addattr16(n, 1024, IFLA_BOND_SLAVE_QUEUE_ID, queue_id);
133 } else {
134 if (matches(*argv, "help") != 0)
135 fprintf(stderr,
136 "bond_slave: unknown option \"%s\"?\n",
137 *argv);
138 explain();
139 return -1;
140 }
141 argc--, argv++;
142 }
143
144 return 0;
145 }
146
bond_slave_print_help(struct link_util * lu,int argc,char ** argv,FILE * f)147 static void bond_slave_print_help(struct link_util *lu, int argc, char **argv,
148 FILE *f)
149 {
150 print_explain(f);
151 }
152
153 struct link_util bond_slave_link_util = {
154 .id = "bond_slave",
155 .maxattr = IFLA_BOND_SLAVE_MAX,
156 .print_opt = bond_slave_print_opt,
157 .parse_opt = bond_slave_parse_opt,
158 .print_help = bond_slave_print_help,
159 };
160