|
Packit |
d3f73b |
/*
|
|
Packit |
d3f73b |
* iplink_hsr.c HSR device support
|
|
Packit |
d3f73b |
*
|
|
Packit |
d3f73b |
* This program is free software; you can redistribute it and/or
|
|
Packit |
d3f73b |
* modify it under the terms of the GNU General Public License
|
|
Packit |
d3f73b |
* as published by the Free Software Foundation; either version
|
|
Packit |
d3f73b |
* 2 of the License, or (at your option) any later version.
|
|
Packit |
d3f73b |
*
|
|
Packit |
d3f73b |
* Authors: Arvid Brodin <arvid.brodin@alten.se>
|
|
Packit |
d3f73b |
*
|
|
Packit |
d3f73b |
* Based on iplink_vlan.c by Patrick McHardy <kaber@trash.net>
|
|
Packit |
d3f73b |
*/
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
#include <stdio.h>
|
|
Packit |
d3f73b |
#include <stdlib.h>
|
|
Packit |
d3f73b |
#include <string.h>
|
|
Packit |
d3f73b |
#include <sys/socket.h> /* Needed by linux/if.h for some reason */
|
|
Packit |
d3f73b |
#include <linux/if.h>
|
|
Packit |
d3f73b |
#include <linux/if_arp.h>
|
|
Packit |
d3f73b |
#include "rt_names.h"
|
|
Packit |
d3f73b |
#include "utils.h"
|
|
Packit |
d3f73b |
#include "ip_common.h"
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
static void print_usage(FILE *f)
|
|
Packit |
d3f73b |
{
|
|
Packit |
d3f73b |
fprintf(f,
|
|
Packit |
d3f73b |
"Usage:\tip link add name NAME type hsr slave1 SLAVE1-IF slave2 SLAVE2-IF\n"
|
|
Packit |
d3f73b |
"\t[ supervision ADDR-BYTE ] [version VERSION]\n"
|
|
Packit |
d3f73b |
"\n"
|
|
Packit |
d3f73b |
"NAME\n"
|
|
Packit |
d3f73b |
" name of new hsr device (e.g. hsr0)\n"
|
|
Packit |
d3f73b |
"SLAVE1-IF, SLAVE2-IF\n"
|
|
Packit |
d3f73b |
" the two slave devices bound to the HSR device\n"
|
|
Packit |
d3f73b |
"ADDR-BYTE\n"
|
|
Packit |
d3f73b |
" 0-255; the last byte of the multicast address used for HSR supervision\n"
|
|
Packit |
d3f73b |
" frames (default = 0)\n"
|
|
Packit |
d3f73b |
"VERSION\n"
|
|
Packit |
d3f73b |
" 0,1; the protocol version to be used. (default = 0)\n");
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
static void usage(void)
|
|
Packit |
d3f73b |
{
|
|
Packit |
d3f73b |
print_usage(stderr);
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
static int hsr_parse_opt(struct link_util *lu, int argc, char **argv,
|
|
Packit |
d3f73b |
struct nlmsghdr *n)
|
|
Packit |
d3f73b |
{
|
|
Packit |
d3f73b |
int ifindex;
|
|
Packit |
d3f73b |
unsigned char multicast_spec;
|
|
Packit |
d3f73b |
unsigned char protocol_version;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
while (argc > 0) {
|
|
Packit |
d3f73b |
if (matches(*argv, "supervision") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (get_u8(&multicast_spec, *argv, 0))
|
|
Packit |
d3f73b |
invarg("ADDR-BYTE is invalid", *argv);
|
|
Packit |
d3f73b |
addattr_l(n, 1024, IFLA_HSR_MULTICAST_SPEC,
|
|
Packit |
d3f73b |
&multicast_spec, 1);
|
|
Packit |
d3f73b |
} else if (matches(*argv, "version") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
if (!(get_u8(&protocol_version, *argv, 0) == 0 ||
|
|
Packit |
d3f73b |
get_u8(&protocol_version, *argv, 0) == 1))
|
|
Packit |
d3f73b |
invarg("version is invalid", *argv);
|
|
Packit |
d3f73b |
addattr_l(n, 1024, IFLA_HSR_VERSION,
|
|
Packit |
d3f73b |
&protocol_version, 1);
|
|
Packit |
d3f73b |
} else if (matches(*argv, "slave1") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
ifindex = ll_name_to_index(*argv);
|
|
Packit |
d3f73b |
if (ifindex == 0)
|
|
Packit |
d3f73b |
invarg("No such interface", *argv);
|
|
Packit |
d3f73b |
addattr_l(n, 1024, IFLA_HSR_SLAVE1, &ifindex, 4);
|
|
Packit |
d3f73b |
} else if (matches(*argv, "slave2") == 0) {
|
|
Packit |
d3f73b |
NEXT_ARG();
|
|
Packit |
d3f73b |
ifindex = ll_name_to_index(*argv);
|
|
Packit |
d3f73b |
if (ifindex == 0)
|
|
Packit |
d3f73b |
invarg("No such interface", *argv);
|
|
Packit |
d3f73b |
addattr_l(n, 1024, IFLA_HSR_SLAVE2, &ifindex, 4);
|
|
Packit |
d3f73b |
} else if (matches(*argv, "help") == 0) {
|
|
Packit |
d3f73b |
usage();
|
|
Packit |
d3f73b |
return -1;
|
|
Packit |
d3f73b |
} else {
|
|
Packit |
d3f73b |
fprintf(stderr, "hsr: what is \"%s\"?\n", *argv);
|
|
Packit |
d3f73b |
usage();
|
|
Packit |
d3f73b |
return -1;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
argc--, argv++;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
return 0;
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
static void hsr_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
|
|
Packit |
d3f73b |
{
|
|
Packit |
d3f73b |
SPRINT_BUF(b1);
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (!tb)
|
|
Packit |
d3f73b |
return;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_HSR_SLAVE1] &&
|
|
Packit |
d3f73b |
RTA_PAYLOAD(tb[IFLA_HSR_SLAVE1]) < sizeof(__u32))
|
|
Packit |
d3f73b |
return;
|
|
Packit |
d3f73b |
if (tb[IFLA_HSR_SLAVE2] &&
|
|
Packit |
d3f73b |
RTA_PAYLOAD(tb[IFLA_HSR_SLAVE2]) < sizeof(__u32))
|
|
Packit |
d3f73b |
return;
|
|
Packit |
d3f73b |
if (tb[IFLA_HSR_SEQ_NR] &&
|
|
Packit |
d3f73b |
RTA_PAYLOAD(tb[IFLA_HSR_SEQ_NR]) < sizeof(__u16))
|
|
Packit |
d3f73b |
return;
|
|
Packit |
d3f73b |
if (tb[IFLA_HSR_SUPERVISION_ADDR] &&
|
|
Packit |
d3f73b |
RTA_PAYLOAD(tb[IFLA_HSR_SUPERVISION_ADDR]) < ETH_ALEN)
|
|
Packit |
d3f73b |
return;
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_HSR_SLAVE1])
|
|
Packit |
d3f73b |
print_string(PRINT_ANY,
|
|
Packit |
d3f73b |
"slave1",
|
|
Packit |
d3f73b |
"slave1 %s ",
|
|
Packit |
d3f73b |
ll_index_to_name(rta_getattr_u32(tb[IFLA_HSR_SLAVE1])));
|
|
Packit |
d3f73b |
else
|
|
Packit |
d3f73b |
print_null(PRINT_ANY, "slave1", "slave1 %s ", "<none>");
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_HSR_SLAVE2])
|
|
Packit |
d3f73b |
print_string(PRINT_ANY,
|
|
Packit |
d3f73b |
"slave2",
|
|
Packit |
d3f73b |
"slave2 %s ",
|
|
Packit |
d3f73b |
ll_index_to_name(rta_getattr_u32(tb[IFLA_HSR_SLAVE2])));
|
|
Packit |
d3f73b |
else
|
|
Packit |
d3f73b |
print_null(PRINT_ANY, "slave2", "slave2 %s ", "<none>");
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_HSR_SEQ_NR])
|
|
Packit |
d3f73b |
print_int(PRINT_ANY,
|
|
Packit |
d3f73b |
"seq_nr",
|
|
Packit |
d3f73b |
"sequence %d ",
|
|
Packit |
d3f73b |
rta_getattr_u16(tb[IFLA_HSR_SEQ_NR]));
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
if (tb[IFLA_HSR_SUPERVISION_ADDR])
|
|
Packit |
d3f73b |
print_string(PRINT_ANY,
|
|
Packit |
d3f73b |
"supervision_addr",
|
|
Packit |
d3f73b |
"supervision %s ",
|
|
Packit |
d3f73b |
ll_addr_n2a(RTA_DATA(tb[IFLA_HSR_SUPERVISION_ADDR]),
|
|
Packit |
d3f73b |
RTA_PAYLOAD(tb[IFLA_HSR_SUPERVISION_ADDR]),
|
|
Packit |
d3f73b |
ARPHRD_VOID,
|
|
Packit |
d3f73b |
b1, sizeof(b1)));
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
static void hsr_print_help(struct link_util *lu, int argc, char **argv,
|
|
Packit |
d3f73b |
FILE *f)
|
|
Packit |
d3f73b |
{
|
|
Packit |
d3f73b |
print_usage(f);
|
|
Packit |
d3f73b |
}
|
|
Packit |
d3f73b |
|
|
Packit |
d3f73b |
struct link_util hsr_link_util = {
|
|
Packit |
d3f73b |
.id = "hsr",
|
|
Packit |
d3f73b |
.maxattr = IFLA_HSR_MAX,
|
|
Packit |
d3f73b |
.parse_opt = hsr_parse_opt,
|
|
Packit |
d3f73b |
.print_opt = hsr_print_opt,
|
|
Packit |
d3f73b |
.print_help = hsr_print_help,
|
|
Packit |
d3f73b |
};
|