[patch iproute2 2/2] add bridge master device support
From: Jiri Pirko <jiri@resnulli.us>
Date: 2014-09-05 13:55:20
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Jiri Pirko <jiri@resnulli.us> --- include/linux/if_link.h | 12 +++++++ ip/Makefile | 2 +- ip/iplink_bridge.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 106 insertions(+), 1 deletion(-) create mode 100644 ip/iplink_bridge.c
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 39cb62c..e9e6f03 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h@@ -213,6 +213,18 @@ enum in6_addr_gen_mode { IN6_ADDR_GEN_MODE_NONE, }; +/* Bridge section */ + +enum { + IFLA_BR_UNSPEC, + IFLA_BR_FORWARD_DELAY, + IFLA_BR_HELLO_TIME, + IFLA_BR_MAX_AGE, + __IFLA_BR_MAX, +}; + +#define IFLA_BR_MAX (__IFLA_BR_MAX - 1) + enum { BRIDGE_MODE_UNSPEC, BRIDGE_MODE_HAIRPIN,
diff --git a/ip/Makefile b/ip/Makefile
index 0c0b831..381f971 100644
--- a/ip/Makefile
+++ b/ip/Makefile@@ -6,7 +6,7 @@ IPOBJ=ip.o ipaddress.o ipaddrlabel.o iproute.o iprule.o ipnetns.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 iplink_bond.o iplink_bond_slave.o iplink_hsr.o \ - iplink_bridge_slave.o + iplink_bridge.o iplink_bridge_slave.o RTMONOBJ=rtmon.o
diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
new file mode 100644
index 0000000..0cea7d1
--- /dev/null
+++ b/ip/iplink_bridge.c@@ -0,0 +1,93 @@ +/* + * iplink_bridge.c Bridge 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 <stdlib.h> +#include <string.h> +#include <linux/if_link.h> + +#include "utils.h" +#include "ip_common.h" + +static void explain(void) +{ + fprintf(stderr, + "Usage: ... bridge [ forward_delay FORWARD_DELAY ]\n" + " [ hello_time HELLO_TIME ]\n" + " [ max_age MAX_AGE ]\n" + ); +} + +static int bridge_parse_opt(struct link_util *lu, int argc, char **argv, + struct nlmsghdr *n) +{ + __u32 val; + + while (argc > 0) { + if (matches(*argv, "forward_delay") == 0) { + NEXT_ARG(); + if (get_u32(&val, *argv, 0)) { + invarg("invalid forward_delay", *argv); + return -1; + } + addattr32(n, 1024, IFLA_BR_FORWARD_DELAY, val); + } else if (matches(*argv, "hello_time") == 0) { + NEXT_ARG(); + if (get_u32(&val, *argv, 0)) { + invarg("invalid hello_time", *argv); + return -1; + } + addattr32(n, 1024, IFLA_BR_HELLO_TIME, val); + } else if (matches(*argv, "max_age") == 0) { + NEXT_ARG(); + if (get_u32(&val, *argv, 0)) { + invarg("invalid max_age", *argv); + return -1; + } + addattr32(n, 1024, IFLA_BR_MAX_AGE, val); + } else if (matches(*argv, "help") == 0) { + explain(); + return -1; + } else { + fprintf(stderr, "bridge: unknown command \"%s\"?\n", *argv); + explain(); + return -1; + } + argc--, argv++; + } + + return 0; +} + +static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]) +{ + if (!tb) + return; + + if (tb[IFLA_BR_FORWARD_DELAY]) + fprintf(f, "forward_delay %u ", + rta_getattr_u32(tb[IFLA_BR_FORWARD_DELAY])); + + if (tb[IFLA_BR_HELLO_TIME]) + fprintf(f, "hello_time %u ", + rta_getattr_u32(tb[IFLA_BR_HELLO_TIME])); + + if (tb[IFLA_BR_MAX_AGE]) + fprintf(f, "max_age %u ", + rta_getattr_u32(tb[IFLA_BR_MAX_AGE])); +} + +struct link_util bridge_link_util = { + .id = "bridge", + .maxattr = IFLA_BR_MAX, + .parse_opt = bridge_parse_opt, + .print_opt = bridge_print_opt, +};
--
1.9.3