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-rw-r--r--ip/iplink_bond_slave.c199
1 files changed, 199 insertions, 0 deletions
diff --git a/ip/iplink_bond_slave.c b/ip/iplink_bond_slave.c
new file mode 100644
index 0000000..8103704
--- /dev/null
+++ b/ip/iplink_bond_slave.c
@@ -0,0 +1,199 @@
+/*
+ * 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 ] [ prio PRIORITY ]\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_PRIO])
+ print_int(PRINT_ANY, "prio", "prio %d ",
+ rta_getattr_s32(tb[IFLA_BOND_SLAVE_PRIO]));
+
+ 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;
+ int prio;
+
+ 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 (strcmp(*argv, "prio") == 0) {
+ NEXT_ARG();
+ if (get_s32(&prio, *argv, 0))
+ invarg("prio is invalid", *argv);
+ addattr32(n, 1024, IFLA_BOND_SLAVE_PRIO, prio);
+ } 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,
+};