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Date: Fri, 18 Oct 2013 17:50:01 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, fubar@...ibm.com, vfalico@...hat.com,
andy@...yhouse.net, stephen@...workplumber.org, vyasevic@...hat.com
Subject: [patch iproute2] iplink: add support for bonding netlink
Signed-off-by: Jiri Pirko <jiri@...nulli.us>
---
include/linux/if_link.h | 11 ++++++
ip/Makefile | 2 +-
ip/iplink.c | 4 +--
ip/iplink_bond.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++++
man/man8/ip-link.8.in | 4 +++
5 files changed, 110 insertions(+), 3 deletions(-)
create mode 100644 ip/iplink_bond.c
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index ee4f2ba..3f7b343 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -318,6 +318,17 @@ enum {
};
#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
+/* Bonding section */
+
+enum {
+ IFLA_BOND_UNSPEC,
+ IFLA_BOND_MODE,
+ IFLA_BOND_ACTIVE_SLAVE,
+ __IFLA_BOND_MAX,
+};
+
+#define IFLA_BOND_MAX (__IFLA_BOND_MAX - 1)
+
struct ifla_vxlan_port_range {
__be16 low;
__be16 high;
diff --git a/ip/Makefile b/ip/Makefile
index f10d22f..89a7a36 100644
--- a/ip/Makefile
+++ b/ip/Makefile
@@ -5,7 +5,7 @@ IPOBJ=ip.o ipaddress.o ipaddrlabel.o iproute.o iprule.o ipnetns.o \
iplink_vlan.o link_veth.o link_gre.o iplink_can.o \
iplink_macvlan.o iplink_macvtap.o ipl2tp.o link_vti.o \
iplink_vxlan.o tcp_metrics.o iplink_ipoib.o ipnetconf.o link_ip6tnl.o \
- link_iptnl.o link_gre6.o
+ link_iptnl.o link_gre6.o iplink_bond.o
RTMONOBJ=rtmon.o
diff --git a/ip/iplink.c b/ip/iplink.c
index 6cde731..58b6c20 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -85,8 +85,8 @@ void iplink_usage(void)
if (iplink_have_newlink()) {
fprintf(stderr, "\n");
fprintf(stderr, "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |\n");
- fprintf(stderr, " can | bridge | ipoib | ip6tnl | ipip | sit | vxlan |\n");
- fprintf(stderr, " gre | gretap | ip6gre | ip6gretap | vti }\n");
+ fprintf(stderr, " can | bridge | bond | ipoib | ip6tnl | ipip | sit |\n");
+ fprintf(stderr, " vxlan | gre | gretap | ip6gre | ip6gretap | vti }\n");
}
exit(-1);
}
diff --git a/ip/iplink_bond.c b/ip/iplink_bond.c
new file mode 100644
index 0000000..3fb7f4f
--- /dev/null
+++ b/ip/iplink_bond.c
@@ -0,0 +1,92 @@
+/*
+ * iplink_bond.c Bonding 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@...nulli.us>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <linux/if_link.h>
+#include <net/if.h>
+
+#include "rt_names.h"
+#include "utils.h"
+#include "ip_common.h"
+
+static void explain(void)
+{
+ fprintf(stderr,
+ "Usage: ... bond [ mode BONDMODE ] [ active_slave SLAVE_DEV ]\n"
+ " [ clear_active_slave ]\n"
+ "\n"
+ "BONDMODE := 0-6\n"
+ );
+}
+
+static int bond_parse_opt(struct link_util *lu, int argc, char **argv,
+ struct nlmsghdr *n)
+{
+ __u8 mode;
+ unsigned ifindex;
+
+ while (argc > 0) {
+ if (matches(*argv, "mode") == 0) {
+ NEXT_ARG();
+ if (get_u8(&mode, *argv, 0)) {
+ invarg("mode %s is invalid", *argv);
+ return -1;
+ }
+ addattr8(n, 1024, IFLA_BOND_MODE, mode);
+ } else if (matches(*argv, "active_slave") == 0) {
+ NEXT_ARG();
+ ifindex = if_nametoindex(*argv);
+ if (!ifindex)
+ return -1;
+ addattr32(n, 1024, IFLA_BOND_ACTIVE_SLAVE, ifindex);
+ } else if (matches(*argv, "clear_active_slave") == 0) {
+ addattr32(n, 1024, IFLA_BOND_ACTIVE_SLAVE, 0);
+ } else {
+ fprintf(stderr, "bond: unknown command \"%s\"?\n", *argv);
+ explain();
+ return -1;
+ }
+ argc--, argv++;
+ }
+
+ return 0;
+}
+
+static void bond_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
+{
+ unsigned ifindex;
+
+ if (!tb)
+ return;
+
+ if (tb[IFLA_BOND_MODE])
+ fprintf(f, "mode %u ", rta_getattr_u8(tb[IFLA_BOND_MODE]));
+
+ if (tb[IFLA_BOND_ACTIVE_SLAVE] &&
+ (ifindex = rta_getattr_u32(tb[IFLA_BOND_ACTIVE_SLAVE]))) {
+ char buf[IFNAMSIZ];
+ const char *n = if_indextoname(ifindex, buf);
+
+ if (n)
+ fprintf(f, "active_slave %s ", n);
+ else
+ fprintf(f, "active_slave %u ", ifindex);
+ }
+}
+
+struct link_util bond_link_util = {
+ .id = "bond",
+ .maxattr = IFLA_BOND_MAX,
+ .parse_opt = bond_parse_opt,
+ .print_opt = bond_print_opt,
+};
diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in
index 8b68c78..1825dc5 100644
--- a/man/man8/ip-link.8.in
+++ b/man/man8/ip-link.8.in
@@ -51,6 +51,7 @@ ip-link \- network device configuration
.ti -8
.IR TYPE " := [ "
.BR bridge " | "
+.BR bond " ]"
.BR can " | "
.BR dummy " | "
.BR ifb " | "
@@ -155,6 +156,9 @@ Link types:
.B bridge
- Ethernet Bridge device
.sp
+.B bond
+- Bonding device
+.sp
.B can
- Controller Area Network interface
.sp
--
1.8.3.1
--
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