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mirror_iproute2/ip/iplink_bridge.c
Baruch Siach 98447086f8 ip: include libc headers first 
Including libc headers first helps as a workaround to redefinition of struct
ethhdr with a suitably patched musl libc that suppresses the kernel
if_ether.h.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
2017-05-30 17:27:58 -07:00

745 lines
22 KiB
C
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/*
* 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 <netinet/in.h>
#include <netinet/ether.h>
#include <linux/if_link.h>
#include <linux/if_bridge.h>
#include <net/if.h>
#include "rt_names.h"
#include "utils.h"
#include "ip_common.h"
static unsigned int xstats_print_attr;
static int filter_index;
static void print_explain(FILE *f)
{
fprintf(f,
"Usage: ... bridge [ fdb_flush ]\n"
" [ forward_delay FORWARD_DELAY ]\n"
" [ hello_time HELLO_TIME ]\n"
" [ max_age MAX_AGE ]\n"
" [ ageing_time AGEING_TIME ]\n"
" [ stp_state STP_STATE ]\n"
" [ priority PRIORITY ]\n"
" [ group_fwd_mask MASK ]\n"
" [ group_address ADDRESS ]\n"
" [ vlan_filtering VLAN_FILTERING ]\n"
" [ vlan_protocol VLAN_PROTOCOL ]\n"
" [ vlan_default_pvid VLAN_DEFAULT_PVID ]\n"
" [ vlan_stats_enabled VLAN_STATS_ENABLED ]\n"
" [ mcast_snooping MULTICAST_SNOOPING ]\n"
" [ mcast_router MULTICAST_ROUTER ]\n"
" [ mcast_query_use_ifaddr MCAST_QUERY_USE_IFADDR ]\n"
" [ mcast_querier MULTICAST_QUERIER ]\n"
" [ mcast_hash_elasticity HASH_ELASTICITY ]\n"
" [ mcast_hash_max HASH_MAX ]\n"
" [ mcast_last_member_count LAST_MEMBER_COUNT ]\n"
" [ mcast_startup_query_count STARTUP_QUERY_COUNT ]\n"
" [ mcast_last_member_interval LAST_MEMBER_INTERVAL ]\n"
" [ mcast_membership_interval MEMBERSHIP_INTERVAL ]\n"
" [ mcast_querier_interval QUERIER_INTERVAL ]\n"
" [ mcast_query_interval QUERY_INTERVAL ]\n"
" [ mcast_query_response_interval QUERY_RESPONSE_INTERVAL ]\n"
" [ mcast_startup_query_interval STARTUP_QUERY_INTERVAL ]\n"
" [ mcast_stats_enabled MCAST_STATS_ENABLED ]\n"
" [ mcast_igmp_version IGMP_VERSION ]\n"
" [ mcast_mld_version MLD_VERSION ]\n"
" [ nf_call_iptables NF_CALL_IPTABLES ]\n"
" [ nf_call_ip6tables NF_CALL_IP6TABLES ]\n"
" [ nf_call_arptables NF_CALL_ARPTABLES ]\n"
"\n"
"Where: VLAN_PROTOCOL := { 802.1Q | 802.1ad }\n"
);
}
static void explain(void)
{
print_explain(stderr);
}
void br_dump_bridge_id(const struct ifla_bridge_id *id, char *buf, size_t len)
{
char eaddr[32];
ether_ntoa_r((const struct ether_addr *)id->addr, eaddr);
snprintf(buf, len, "%.2x%.2x.%s", id->prio[0], id->prio[1], eaddr);
}
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);
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);
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);
addattr32(n, 1024, IFLA_BR_MAX_AGE, val);
} else if (matches(*argv, "ageing_time") == 0) {
NEXT_ARG();
if (get_u32(&val, *argv, 0))
invarg("invalid ageing_time", *argv);
addattr32(n, 1024, IFLA_BR_AGEING_TIME, val);
} else if (matches(*argv, "stp_state") == 0) {
NEXT_ARG();
if (get_u32(&val, *argv, 0))
invarg("invalid stp_state", *argv);
addattr32(n, 1024, IFLA_BR_STP_STATE, val);
} else if (matches(*argv, "priority") == 0) {
__u16 prio;
NEXT_ARG();
if (get_u16(&prio, *argv, 0))
invarg("invalid priority", *argv);
addattr16(n, 1024, IFLA_BR_PRIORITY, prio);
} else if (matches(*argv, "vlan_filtering") == 0) {
__u8 vlan_filter;
NEXT_ARG();
if (get_u8(&vlan_filter, *argv, 0))
invarg("invalid vlan_filtering", *argv);
addattr8(n, 1024, IFLA_BR_VLAN_FILTERING, vlan_filter);
} else if (matches(*argv, "vlan_protocol") == 0) {
__u16 vlan_proto;
NEXT_ARG();
if (ll_proto_a2n(&vlan_proto, *argv))
invarg("invalid vlan_protocol", *argv);
addattr16(n, 1024, IFLA_BR_VLAN_PROTOCOL, vlan_proto);
} else if (matches(*argv, "group_fwd_mask") == 0) {
__u16 fwd_mask;
NEXT_ARG();
if (get_u16(&fwd_mask, *argv, 0))
invarg("invalid group_fwd_mask", *argv);
addattr16(n, 1024, IFLA_BR_GROUP_FWD_MASK, fwd_mask);
} else if (matches(*argv, "group_address") == 0) {
char llabuf[32];
int len;
NEXT_ARG();
len = ll_addr_a2n(llabuf, sizeof(llabuf), *argv);
if (len < 0)
return -1;
addattr_l(n, 1024, IFLA_BR_GROUP_ADDR, llabuf, len);
} else if (matches(*argv, "fdb_flush") == 0) {
addattr(n, 1024, IFLA_BR_FDB_FLUSH);
} else if (matches(*argv, "vlan_default_pvid") == 0) {
__u16 default_pvid;
NEXT_ARG();
if (get_u16(&default_pvid, *argv, 0))
invarg("invalid vlan_default_pvid", *argv);
addattr16(n, 1024, IFLA_BR_VLAN_DEFAULT_PVID,
default_pvid);
} else if (matches(*argv, "vlan_stats_enabled") == 0) {
__u8 vlan_stats_enabled;
NEXT_ARG();
if (get_u8(&vlan_stats_enabled, *argv, 0))
invarg("invalid vlan_stats_enabled", *argv);
addattr8(n, 1024, IFLA_BR_VLAN_STATS_ENABLED,
vlan_stats_enabled);
} else if (matches(*argv, "mcast_router") == 0) {
__u8 mcast_router;
NEXT_ARG();
if (get_u8(&mcast_router, *argv, 0))
invarg("invalid mcast_router", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_ROUTER, mcast_router);
} else if (matches(*argv, "mcast_snooping") == 0) {
__u8 mcast_snoop;
NEXT_ARG();
if (get_u8(&mcast_snoop, *argv, 0))
invarg("invalid mcast_snooping", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_SNOOPING, mcast_snoop);
} else if (matches(*argv, "mcast_query_use_ifaddr") == 0) {
__u8 mcast_qui;
NEXT_ARG();
if (get_u8(&mcast_qui, *argv, 0))
invarg("invalid mcast_query_use_ifaddr",
*argv);
addattr8(n, 1024, IFLA_BR_MCAST_QUERY_USE_IFADDR,
mcast_qui);
} else if (matches(*argv, "mcast_querier") == 0) {
__u8 mcast_querier;
NEXT_ARG();
if (get_u8(&mcast_querier, *argv, 0))
invarg("invalid mcast_querier", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_QUERIER, mcast_querier);
} else if (matches(*argv, "mcast_hash_elasticity") == 0) {
__u32 mcast_hash_el;
NEXT_ARG();
if (get_u32(&mcast_hash_el, *argv, 0))
invarg("invalid mcast_hash_elasticity",
*argv);
addattr32(n, 1024, IFLA_BR_MCAST_HASH_ELASTICITY,
mcast_hash_el);
} else if (matches(*argv, "mcast_hash_max") == 0) {
__u32 mcast_hash_max;
NEXT_ARG();
if (get_u32(&mcast_hash_max, *argv, 0))
invarg("invalid mcast_hash_max", *argv);
addattr32(n, 1024, IFLA_BR_MCAST_HASH_MAX,
mcast_hash_max);
} else if (matches(*argv, "mcast_last_member_count") == 0) {
__u32 mcast_lmc;
NEXT_ARG();
if (get_u32(&mcast_lmc, *argv, 0))
invarg("invalid mcast_last_member_count",
*argv);
addattr32(n, 1024, IFLA_BR_MCAST_LAST_MEMBER_CNT,
mcast_lmc);
} else if (matches(*argv, "mcast_startup_query_count") == 0) {
__u32 mcast_sqc;
NEXT_ARG();
if (get_u32(&mcast_sqc, *argv, 0))
invarg("invalid mcast_startup_query_count",
*argv);
addattr32(n, 1024, IFLA_BR_MCAST_STARTUP_QUERY_CNT,
mcast_sqc);
} else if (matches(*argv, "mcast_last_member_interval") == 0) {
__u64 mcast_last_member_intvl;
NEXT_ARG();
if (get_u64(&mcast_last_member_intvl, *argv, 0))
invarg("invalid mcast_last_member_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_LAST_MEMBER_INTVL,
mcast_last_member_intvl);
} else if (matches(*argv, "mcast_membership_interval") == 0) {
__u64 mcast_membership_intvl;
NEXT_ARG();
if (get_u64(&mcast_membership_intvl, *argv, 0))
invarg("invalid mcast_membership_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_MEMBERSHIP_INTVL,
mcast_membership_intvl);
} else if (matches(*argv, "mcast_querier_interval") == 0) {
__u64 mcast_querier_intvl;
NEXT_ARG();
if (get_u64(&mcast_querier_intvl, *argv, 0))
invarg("invalid mcast_querier_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_QUERIER_INTVL,
mcast_querier_intvl);
} else if (matches(*argv, "mcast_query_interval") == 0) {
__u64 mcast_query_intvl;
NEXT_ARG();
if (get_u64(&mcast_query_intvl, *argv, 0))
invarg("invalid mcast_query_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_QUERY_INTVL,
mcast_query_intvl);
} else if (!matches(*argv, "mcast_query_response_interval")) {
__u64 mcast_query_resp_intvl;
NEXT_ARG();
if (get_u64(&mcast_query_resp_intvl, *argv, 0))
invarg("invalid mcast_query_response_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_QUERY_RESPONSE_INTVL,
mcast_query_resp_intvl);
} else if (!matches(*argv, "mcast_startup_query_interval")) {
__u64 mcast_startup_query_intvl;
NEXT_ARG();
if (get_u64(&mcast_startup_query_intvl, *argv, 0))
invarg("invalid mcast_startup_query_interval",
*argv);
addattr64(n, 1024, IFLA_BR_MCAST_STARTUP_QUERY_INTVL,
mcast_startup_query_intvl);
} else if (matches(*argv, "mcast_stats_enabled") == 0) {
__u8 mcast_stats_enabled;
NEXT_ARG();
if (get_u8(&mcast_stats_enabled, *argv, 0))
invarg("invalid mcast_stats_enabled", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_STATS_ENABLED,
mcast_stats_enabled);
} else if (matches(*argv, "mcast_igmp_version") == 0) {
__u8 igmp_version;
NEXT_ARG();
if (get_u8(&igmp_version, *argv, 0))
invarg("invalid mcast_igmp_version", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_IGMP_VERSION,
igmp_version);
} else if (matches(*argv, "mcast_mld_version") == 0) {
__u8 mld_version;
NEXT_ARG();
if (get_u8(&mld_version, *argv, 0))
invarg("invalid mcast_mld_version", *argv);
addattr8(n, 1024, IFLA_BR_MCAST_MLD_VERSION,
mld_version);
} else if (matches(*argv, "nf_call_iptables") == 0) {
__u8 nf_call_ipt;
NEXT_ARG();
if (get_u8(&nf_call_ipt, *argv, 0))
invarg("invalid nf_call_iptables", *argv);
addattr8(n, 1024, IFLA_BR_NF_CALL_IPTABLES,
nf_call_ipt);
} else if (matches(*argv, "nf_call_ip6tables") == 0) {
__u8 nf_call_ip6t;
NEXT_ARG();
if (get_u8(&nf_call_ip6t, *argv, 0))
invarg("invalid nf_call_ip6tables", *argv);
addattr8(n, 1024, IFLA_BR_NF_CALL_IP6TABLES,
nf_call_ip6t);
} else if (matches(*argv, "nf_call_arptables") == 0) {
__u8 nf_call_arpt;
NEXT_ARG();
if (get_u8(&nf_call_arpt, *argv, 0))
invarg("invalid nf_call_arptables", *argv);
addattr8(n, 1024, IFLA_BR_NF_CALL_ARPTABLES,
nf_call_arpt);
} 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]));
if (tb[IFLA_BR_AGEING_TIME])
fprintf(f, "ageing_time %u ",
rta_getattr_u32(tb[IFLA_BR_AGEING_TIME]));
if (tb[IFLA_BR_STP_STATE])
fprintf(f, "stp_state %u ",
rta_getattr_u32(tb[IFLA_BR_STP_STATE]));
if (tb[IFLA_BR_PRIORITY])
fprintf(f, "priority %u ",
rta_getattr_u16(tb[IFLA_BR_PRIORITY]));
if (tb[IFLA_BR_VLAN_FILTERING])
fprintf(f, "vlan_filtering %u ",
rta_getattr_u8(tb[IFLA_BR_VLAN_FILTERING]));
if (tb[IFLA_BR_VLAN_PROTOCOL]) {
SPRINT_BUF(b1);
fprintf(f, "vlan_protocol %s ",
ll_proto_n2a(rta_getattr_u16(tb[IFLA_BR_VLAN_PROTOCOL]),
b1, sizeof(b1)));
}
if (tb[IFLA_BR_BRIDGE_ID]) {
char bridge_id[32];
br_dump_bridge_id(RTA_DATA(tb[IFLA_BR_BRIDGE_ID]), bridge_id,
sizeof(bridge_id));
fprintf(f, "bridge_id %s ", bridge_id);
}
if (tb[IFLA_BR_ROOT_ID]) {
char root_id[32];
br_dump_bridge_id(RTA_DATA(tb[IFLA_BR_BRIDGE_ID]), root_id,
sizeof(root_id));
fprintf(f, "designated_root %s ", root_id);
}
if (tb[IFLA_BR_ROOT_PORT])
fprintf(f, "root_port %u ",
rta_getattr_u16(tb[IFLA_BR_ROOT_PORT]));
if (tb[IFLA_BR_ROOT_PATH_COST])
fprintf(f, "root_path_cost %u ",
rta_getattr_u32(tb[IFLA_BR_ROOT_PATH_COST]));
if (tb[IFLA_BR_TOPOLOGY_CHANGE])
fprintf(f, "topology_change %u ",
rta_getattr_u8(tb[IFLA_BR_TOPOLOGY_CHANGE]));
if (tb[IFLA_BR_TOPOLOGY_CHANGE_DETECTED])
fprintf(f, "topology_change_detected %u ",
rta_getattr_u8(tb[IFLA_BR_TOPOLOGY_CHANGE_DETECTED]));
if (tb[IFLA_BR_HELLO_TIMER]) {
struct timeval tv;
__jiffies_to_tv(&tv, rta_getattr_u64(tb[IFLA_BR_HELLO_TIMER]));
fprintf(f, "hello_timer %4i.%.2i ", (int)tv.tv_sec,
(int)tv.tv_usec/10000);
}
if (tb[IFLA_BR_TCN_TIMER]) {
struct timeval tv;
__jiffies_to_tv(&tv, rta_getattr_u64(tb[IFLA_BR_TCN_TIMER]));
fprintf(f, "tcn_timer %4i.%.2i ", (int)tv.tv_sec,
(int)tv.tv_usec/10000);
}
if (tb[IFLA_BR_TOPOLOGY_CHANGE_TIMER]) {
unsigned long jiffies;
struct timeval tv;
jiffies = rta_getattr_u64(tb[IFLA_BR_TOPOLOGY_CHANGE_TIMER]);
__jiffies_to_tv(&tv, jiffies);
fprintf(f, "topology_change_timer %4i.%.2i ", (int)tv.tv_sec,
(int)tv.tv_usec/10000);
}
if (tb[IFLA_BR_GC_TIMER]) {
struct timeval tv;
__jiffies_to_tv(&tv, rta_getattr_u64(tb[IFLA_BR_GC_TIMER]));
fprintf(f, "gc_timer %4i.%.2i ", (int)tv.tv_sec,
(int)tv.tv_usec/10000);
}
if (tb[IFLA_BR_VLAN_DEFAULT_PVID])
fprintf(f, "vlan_default_pvid %u ",
rta_getattr_u16(tb[IFLA_BR_VLAN_DEFAULT_PVID]));
if (tb[IFLA_BR_VLAN_STATS_ENABLED])
fprintf(f, "vlan_stats_enabled %u ",
rta_getattr_u8(tb[IFLA_BR_VLAN_STATS_ENABLED]));
if (tb[IFLA_BR_GROUP_FWD_MASK])
fprintf(f, "group_fwd_mask %#x ",
rta_getattr_u16(tb[IFLA_BR_GROUP_FWD_MASK]));
if (tb[IFLA_BR_GROUP_ADDR]) {
SPRINT_BUF(mac);
fprintf(f, "group_address %s ",
ll_addr_n2a(RTA_DATA(tb[IFLA_BR_GROUP_ADDR]),
RTA_PAYLOAD(tb[IFLA_BR_GROUP_ADDR]),
1 /*ARPHDR_ETHER*/, mac, sizeof(mac)));
}
if (tb[IFLA_BR_MCAST_SNOOPING])
fprintf(f, "mcast_snooping %u ",
rta_getattr_u8(tb[IFLA_BR_MCAST_SNOOPING]));
if (tb[IFLA_BR_MCAST_ROUTER])
fprintf(f, "mcast_router %u ",
rta_getattr_u8(tb[IFLA_BR_MCAST_ROUTER]));
if (tb[IFLA_BR_MCAST_QUERY_USE_IFADDR])
fprintf(f, "mcast_query_use_ifaddr %u ",
rta_getattr_u8(tb[IFLA_BR_MCAST_QUERY_USE_IFADDR]));
if (tb[IFLA_BR_MCAST_QUERIER])
fprintf(f, "mcast_querier %u ",
rta_getattr_u8(tb[IFLA_BR_MCAST_QUERIER]));
if (tb[IFLA_BR_MCAST_HASH_ELASTICITY])
fprintf(f, "mcast_hash_elasticity %u ",
rta_getattr_u32(tb[IFLA_BR_MCAST_HASH_ELASTICITY]));
if (tb[IFLA_BR_MCAST_HASH_MAX])
fprintf(f, "mcast_hash_max %u ",
rta_getattr_u32(tb[IFLA_BR_MCAST_HASH_MAX]));
if (tb[IFLA_BR_MCAST_LAST_MEMBER_CNT])
fprintf(f, "mcast_last_member_count %u ",
rta_getattr_u32(tb[IFLA_BR_MCAST_LAST_MEMBER_CNT]));
if (tb[IFLA_BR_MCAST_STARTUP_QUERY_CNT])
fprintf(f, "mcast_startup_query_count %u ",
rta_getattr_u32(tb[IFLA_BR_MCAST_STARTUP_QUERY_CNT]));
if (tb[IFLA_BR_MCAST_LAST_MEMBER_INTVL])
fprintf(f, "mcast_last_member_interval %llu ",
rta_getattr_u64(tb[IFLA_BR_MCAST_LAST_MEMBER_INTVL]));
if (tb[IFLA_BR_MCAST_MEMBERSHIP_INTVL])
fprintf(f, "mcast_membership_interval %llu ",
rta_getattr_u64(tb[IFLA_BR_MCAST_MEMBERSHIP_INTVL]));
if (tb[IFLA_BR_MCAST_QUERIER_INTVL])
fprintf(f, "mcast_querier_interval %llu ",
rta_getattr_u64(tb[IFLA_BR_MCAST_QUERIER_INTVL]));
if (tb[IFLA_BR_MCAST_QUERY_INTVL])
fprintf(f, "mcast_query_interval %llu ",
rta_getattr_u64(tb[IFLA_BR_MCAST_QUERY_INTVL]));
if (tb[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL])
fprintf(f, "mcast_query_response_interval %llu ",
rta_getattr_u64(tb[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]));
if (tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL])
fprintf(f, "mcast_startup_query_interval %llu ",
rta_getattr_u64(tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]));
if (tb[IFLA_BR_MCAST_STATS_ENABLED])
fprintf(f, "mcast_stats_enabled %u ",
rta_getattr_u8(tb[IFLA_BR_MCAST_STATS_ENABLED]));
if (tb[IFLA_BR_MCAST_IGMP_VERSION])
fprintf(f, "mcast_igmp_version %u ",
rta_getattr_u8(tb[IFLA_BR_MCAST_IGMP_VERSION]));
if (tb[IFLA_BR_MCAST_MLD_VERSION])
fprintf(f, "mcast_mld_version %u ",
rta_getattr_u8(tb[IFLA_BR_MCAST_MLD_VERSION]));
if (tb[IFLA_BR_NF_CALL_IPTABLES])
fprintf(f, "nf_call_iptables %u ",
rta_getattr_u8(tb[IFLA_BR_NF_CALL_IPTABLES]));
if (tb[IFLA_BR_NF_CALL_IP6TABLES])
fprintf(f, "nf_call_ip6tables %u ",
rta_getattr_u8(tb[IFLA_BR_NF_CALL_IP6TABLES]));
if (tb[IFLA_BR_NF_CALL_ARPTABLES])
fprintf(f, "nf_call_arptables %u ",
rta_getattr_u8(tb[IFLA_BR_NF_CALL_ARPTABLES]));
}
static void bridge_print_help(struct link_util *lu, int argc, char **argv,
FILE *f)
{
print_explain(f);
}
static void bridge_print_xstats_help(struct link_util *lu, FILE *f)
{
fprintf(f, "Usage: ... %s [ igmp ] [ dev DEVICE ]\n", lu->id);
}
static void bridge_print_stats_attr(FILE *f, struct rtattr *attr, int ifindex)
{
struct rtattr *brtb[LINK_XSTATS_TYPE_MAX+1];
struct br_mcast_stats *mstats;
struct rtattr *i, *list;
const char *ifname = "";
int rem;
parse_rtattr(brtb, LINK_XSTATS_TYPE_MAX, RTA_DATA(attr),
RTA_PAYLOAD(attr));
if (!brtb[LINK_XSTATS_TYPE_BRIDGE])
return;
list = brtb[LINK_XSTATS_TYPE_BRIDGE];
rem = RTA_PAYLOAD(list);
for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
if (xstats_print_attr && i->rta_type != xstats_print_attr)
continue;
switch (i->rta_type) {
case BRIDGE_XSTATS_MCAST:
mstats = RTA_DATA(i);
ifname = ll_index_to_name(ifindex);
fprintf(f, "%-16s\n", ifname);
fprintf(f, "%-16s IGMP queries:\n", "");
fprintf(f, "%-16s RX: v1 %llu v2 %llu v3 %llu\n",
"",
mstats->igmp_v1queries[BR_MCAST_DIR_RX],
mstats->igmp_v2queries[BR_MCAST_DIR_RX],
mstats->igmp_v3queries[BR_MCAST_DIR_RX]);
fprintf(f, "%-16s TX: v1 %llu v2 %llu v3 %llu\n",
"",
mstats->igmp_v1queries[BR_MCAST_DIR_TX],
mstats->igmp_v2queries[BR_MCAST_DIR_TX],
mstats->igmp_v3queries[BR_MCAST_DIR_TX]);
fprintf(f, "%-16s IGMP reports:\n", "");
fprintf(f, "%-16s RX: v1 %llu v2 %llu v3 %llu\n",
"",
mstats->igmp_v1reports[BR_MCAST_DIR_RX],
mstats->igmp_v2reports[BR_MCAST_DIR_RX],
mstats->igmp_v3reports[BR_MCAST_DIR_RX]);
fprintf(f, "%-16s TX: v1 %llu v2 %llu v3 %llu\n",
"",
mstats->igmp_v1reports[BR_MCAST_DIR_TX],
mstats->igmp_v2reports[BR_MCAST_DIR_TX],
mstats->igmp_v3reports[BR_MCAST_DIR_TX]);
fprintf(f, "%-16s IGMP leaves: RX: %llu TX: %llu\n",
"",
mstats->igmp_leaves[BR_MCAST_DIR_RX],
mstats->igmp_leaves[BR_MCAST_DIR_TX]);
fprintf(f, "%-16s IGMP parse errors: %llu\n",
"", mstats->igmp_parse_errors);
fprintf(f, "%-16s MLD queries:\n", "");
fprintf(f, "%-16s RX: v1 %llu v2 %llu\n",
"",
mstats->mld_v1queries[BR_MCAST_DIR_RX],
mstats->mld_v2queries[BR_MCAST_DIR_RX]);
fprintf(f, "%-16s TX: v1 %llu v2 %llu\n",
"",
mstats->mld_v1queries[BR_MCAST_DIR_TX],
mstats->mld_v2queries[BR_MCAST_DIR_TX]);
fprintf(f, "%-16s MLD reports:\n", "");
fprintf(f, "%-16s RX: v1 %llu v2 %llu\n",
"",
mstats->mld_v1reports[BR_MCAST_DIR_RX],
mstats->mld_v2reports[BR_MCAST_DIR_RX]);
fprintf(f, "%-16s TX: v1 %llu v2 %llu\n",
"",
mstats->mld_v1reports[BR_MCAST_DIR_TX],
mstats->mld_v2reports[BR_MCAST_DIR_TX]);
fprintf(f, "%-16s MLD leaves: RX: %llu TX: %llu\n",
"",
mstats->mld_leaves[BR_MCAST_DIR_RX],
mstats->mld_leaves[BR_MCAST_DIR_TX]);
fprintf(f, "%-16s MLD parse errors: %llu\n",
"", mstats->mld_parse_errors);
break;
}
}
}
int bridge_print_xstats(const struct sockaddr_nl *who,
struct nlmsghdr *n, void *arg)
{
struct if_stats_msg *ifsm = NLMSG_DATA(n);
struct rtattr *tb[IFLA_STATS_MAX+1];
int len = n->nlmsg_len;
FILE *fp = arg;
len -= NLMSG_LENGTH(sizeof(*ifsm));
if (len < 0) {
fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
return -1;
}
if (filter_index && filter_index != ifsm->ifindex)
return 0;
parse_rtattr(tb, IFLA_STATS_MAX, IFLA_STATS_RTA(ifsm), len);
if (tb[IFLA_STATS_LINK_XSTATS])
bridge_print_stats_attr(fp, tb[IFLA_STATS_LINK_XSTATS],
ifsm->ifindex);
if (tb[IFLA_STATS_LINK_XSTATS_SLAVE])
bridge_print_stats_attr(fp, tb[IFLA_STATS_LINK_XSTATS_SLAVE],
ifsm->ifindex);
return 0;
}
int bridge_parse_xstats(struct link_util *lu, int argc, char **argv)
{
while (argc > 0) {
if (strcmp(*argv, "igmp") == 0 || strcmp(*argv, "mcast") == 0) {
xstats_print_attr = BRIDGE_XSTATS_MCAST;
} else if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
filter_index = if_nametoindex(*argv);
if (filter_index == 0) {
fprintf(stderr, "Cannot find device \"%s\"\n",
*argv);
return -1;
}
} else if (strcmp(*argv, "help") == 0) {
bridge_print_xstats_help(lu, stdout);
exit(0);
} else {
invarg("unknown attribute", *argv);
}
argc--; argv++;
}
return 0;
}
struct link_util bridge_link_util = {
.id = "bridge",
.maxattr = IFLA_BR_MAX,
.parse_opt = bridge_parse_opt,
.print_opt = bridge_print_opt,
.print_help = bridge_print_help,
.parse_ifla_xstats = bridge_parse_xstats,
.print_ifla_xstats = bridge_print_xstats,
};
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