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-rw-r--r--ip/iplink_bridge.c1040
1 files changed, 1040 insertions, 0 deletions
diff --git a/ip/iplink_bridge.c b/ip/iplink_bridge.c
new file mode 100644
index 0000000..6b70ffb
--- /dev/null
+++ b/ip/iplink_bridge.c
@@ -0,0 +1,1040 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * iplink_bridge.c Bridge device support
+ *
+ * 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"
+ " [ no_linklocal_learn NO_LINKLOCAL_LEARN ]\n"
+ " [ fdb_max_learned FDB_MAX_LEARNED ]\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"
+ " [ vlan_stats_per_port VLAN_STATS_PER_PORT ]\n"
+ " [ mcast_snooping MULTICAST_SNOOPING ]\n"
+ " [ mcast_vlan_snooping MULTICAST_VLAN_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[18];
+
+ 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)
+{
+ struct br_boolopt_multi bm = {};
+ __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 (strcmp(*argv, "no_linklocal_learn") == 0) {
+ __u32 no_ll_learn_bit = 1 << BR_BOOLOPT_NO_LL_LEARN;
+ __u8 no_ll_learn;
+
+ NEXT_ARG();
+ if (get_u8(&no_ll_learn, *argv, 0))
+ invarg("invalid no_linklocal_learn", *argv);
+ bm.optmask |= 1 << BR_BOOLOPT_NO_LL_LEARN;
+ if (no_ll_learn)
+ bm.optval |= no_ll_learn_bit;
+ else
+ bm.optval &= ~no_ll_learn_bit;
+ } else if (strcmp(*argv, "fdb_max_learned") == 0) {
+ __u32 fdb_max_learned;
+
+ NEXT_ARG();
+ if (get_u32(&fdb_max_learned, *argv, 0))
+ invarg("invalid fdb_max_learned", *argv);
+
+ addattr32(n, 1024, IFLA_BR_FDB_MAX_LEARNED, fdb_max_learned);
+ } 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, "vlan_stats_per_port") == 0) {
+ __u8 vlan_stats_per_port;
+
+ NEXT_ARG();
+ if (get_u8(&vlan_stats_per_port, *argv, 0))
+ invarg("invalid vlan_stats_per_port", *argv);
+ addattr8(n, 1024, IFLA_BR_VLAN_STATS_PER_PORT,
+ vlan_stats_per_port);
+ } 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 (strcmp(*argv, "mcast_vlan_snooping") == 0) {
+ __u32 mcvl_bit = 1 << BR_BOOLOPT_MCAST_VLAN_SNOOPING;
+ __u8 mcast_vlan_snooping;
+
+ NEXT_ARG();
+ if (get_u8(&mcast_vlan_snooping, *argv, 0))
+ invarg("invalid mcast_vlan_snooping", *argv);
+ bm.optmask |= 1 << BR_BOOLOPT_MCAST_VLAN_SNOOPING;
+ if (mcast_vlan_snooping)
+ bm.optval |= mcvl_bit;
+ else
+ bm.optval &= ~mcvl_bit;
+ } 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++;
+ }
+
+ if (bm.optmask)
+ addattr_l(n, 1024, IFLA_BR_MULTI_BOOLOPT,
+ &bm, sizeof(bm));
+ return 0;
+}
+
+static void _bridge_print_timer(FILE *f,
+ const char *attr,
+ struct rtattr *timer)
+{
+ struct timeval tv;
+
+ __jiffies_to_tv(&tv, rta_getattr_u64(timer));
+ if (is_json_context()) {
+ json_writer_t *jw = get_json_writer();
+
+ jsonw_name(jw, attr);
+ jsonw_printf(jw, "%i.%.2i",
+ (int)tv.tv_sec,
+ (int)tv.tv_usec / 10000);
+ } else {
+ fprintf(f, "%s %4i.%.2i ", attr, (int)tv.tv_sec,
+ (int)tv.tv_usec / 10000);
+ }
+}
+
+static void bridge_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
+{
+ if (!tb)
+ return;
+
+ if (tb[IFLA_BR_FORWARD_DELAY])
+ print_uint(PRINT_ANY,
+ "forward_delay",
+ "forward_delay %u ",
+ rta_getattr_u32(tb[IFLA_BR_FORWARD_DELAY]));
+
+ if (tb[IFLA_BR_HELLO_TIME])
+ print_uint(PRINT_ANY,
+ "hello_time",
+ "hello_time %u ",
+ rta_getattr_u32(tb[IFLA_BR_HELLO_TIME]));
+
+ if (tb[IFLA_BR_MAX_AGE])
+ print_uint(PRINT_ANY,
+ "max_age",
+ "max_age %u ",
+ rta_getattr_u32(tb[IFLA_BR_MAX_AGE]));
+
+ if (tb[IFLA_BR_AGEING_TIME])
+ print_uint(PRINT_ANY,
+ "ageing_time",
+ "ageing_time %u ",
+ rta_getattr_u32(tb[IFLA_BR_AGEING_TIME]));
+
+ if (tb[IFLA_BR_STP_STATE])
+ print_uint(PRINT_ANY,
+ "stp_state",
+ "stp_state %u ",
+ rta_getattr_u32(tb[IFLA_BR_STP_STATE]));
+
+ if (tb[IFLA_BR_PRIORITY])
+ print_uint(PRINT_ANY,
+ "priority",
+ "priority %u ",
+ rta_getattr_u16(tb[IFLA_BR_PRIORITY]));
+
+ if (tb[IFLA_BR_VLAN_FILTERING])
+ print_uint(PRINT_ANY,
+ "vlan_filtering",
+ "vlan_filtering %u ",
+ rta_getattr_u8(tb[IFLA_BR_VLAN_FILTERING]));
+
+ if (tb[IFLA_BR_VLAN_PROTOCOL]) {
+ SPRINT_BUF(b1);
+
+ print_string(PRINT_ANY,
+ "vlan_protocol",
+ "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));
+ print_string(PRINT_ANY,
+ "bridge_id",
+ "bridge_id %s ",
+ bridge_id);
+ }
+
+ if (tb[IFLA_BR_ROOT_ID]) {
+ char root_id[32];
+
+ br_dump_bridge_id(RTA_DATA(tb[IFLA_BR_ROOT_ID]), root_id,
+ sizeof(root_id));
+ print_string(PRINT_ANY,
+ "root_id",
+ "designated_root %s ",
+ root_id);
+ }
+
+ if (tb[IFLA_BR_ROOT_PORT])
+ print_uint(PRINT_ANY,
+ "root_port",
+ "root_port %u ",
+ rta_getattr_u16(tb[IFLA_BR_ROOT_PORT]));
+
+ if (tb[IFLA_BR_ROOT_PATH_COST])
+ print_uint(PRINT_ANY,
+ "root_path_cost",
+ "root_path_cost %u ",
+ rta_getattr_u32(tb[IFLA_BR_ROOT_PATH_COST]));
+
+ if (tb[IFLA_BR_TOPOLOGY_CHANGE])
+ print_uint(PRINT_ANY,
+ "topology_change",
+ "topology_change %u ",
+ rta_getattr_u8(tb[IFLA_BR_TOPOLOGY_CHANGE]));
+
+ if (tb[IFLA_BR_TOPOLOGY_CHANGE_DETECTED])
+ print_uint(PRINT_ANY,
+ "topology_change_detected",
+ "topology_change_detected %u ",
+ rta_getattr_u8(tb[IFLA_BR_TOPOLOGY_CHANGE_DETECTED]));
+
+ if (tb[IFLA_BR_HELLO_TIMER])
+ _bridge_print_timer(f, "hello_timer", tb[IFLA_BR_HELLO_TIMER]);
+
+ if (tb[IFLA_BR_TCN_TIMER])
+ _bridge_print_timer(f, "tcn_timer", tb[IFLA_BR_TCN_TIMER]);
+
+ if (tb[IFLA_BR_TOPOLOGY_CHANGE_TIMER])
+ _bridge_print_timer(f, "topology_change_timer",
+ tb[IFLA_BR_TOPOLOGY_CHANGE_TIMER]);
+
+ if (tb[IFLA_BR_GC_TIMER])
+ _bridge_print_timer(f, "gc_timer", tb[IFLA_BR_GC_TIMER]);
+
+ if (tb[IFLA_BR_FDB_N_LEARNED])
+ print_uint(PRINT_ANY,
+ "fdb_n_learned",
+ "fdb_n_learned %u ",
+ rta_getattr_u32(tb[IFLA_BR_FDB_N_LEARNED]));
+
+ if (tb[IFLA_BR_FDB_MAX_LEARNED])
+ print_uint(PRINT_ANY,
+ "fdb_max_learned",
+ "fdb_max_learned %u ",
+ rta_getattr_u32(tb[IFLA_BR_FDB_MAX_LEARNED]));
+
+ if (tb[IFLA_BR_VLAN_DEFAULT_PVID])
+ print_uint(PRINT_ANY,
+ "vlan_default_pvid",
+ "vlan_default_pvid %u ",
+ rta_getattr_u16(tb[IFLA_BR_VLAN_DEFAULT_PVID]));
+
+ if (tb[IFLA_BR_VLAN_STATS_ENABLED])
+ print_uint(PRINT_ANY,
+ "vlan_stats_enabled",
+ "vlan_stats_enabled %u ",
+ rta_getattr_u8(tb[IFLA_BR_VLAN_STATS_ENABLED]));
+
+ if (tb[IFLA_BR_VLAN_STATS_PER_PORT])
+ print_uint(PRINT_ANY,
+ "vlan_stats_per_port",
+ "vlan_stats_per_port %u ",
+ rta_getattr_u8(tb[IFLA_BR_VLAN_STATS_PER_PORT]));
+
+ if (tb[IFLA_BR_GROUP_FWD_MASK])
+ print_0xhex(PRINT_ANY,
+ "group_fwd_mask",
+ "group_fwd_mask %#llx ",
+ rta_getattr_u16(tb[IFLA_BR_GROUP_FWD_MASK]));
+
+ if (tb[IFLA_BR_GROUP_ADDR]) {
+ SPRINT_BUF(mac);
+
+ print_string(PRINT_ANY,
+ "group_addr",
+ "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])
+ print_uint(PRINT_ANY,
+ "mcast_snooping",
+ "mcast_snooping %u ",
+ rta_getattr_u8(tb[IFLA_BR_MCAST_SNOOPING]));
+
+ if (tb[IFLA_BR_MULTI_BOOLOPT]) {
+ __u32 mcvl_bit = 1 << BR_BOOLOPT_MCAST_VLAN_SNOOPING;
+ __u32 no_ll_learn_bit = 1 << BR_BOOLOPT_NO_LL_LEARN;
+ struct br_boolopt_multi *bm;
+
+ bm = RTA_DATA(tb[IFLA_BR_MULTI_BOOLOPT]);
+ if (bm->optmask & no_ll_learn_bit)
+ print_uint(PRINT_ANY,
+ "no_linklocal_learn",
+ "no_linklocal_learn %u ",
+ !!(bm->optval & no_ll_learn_bit));
+ if (bm->optmask & mcvl_bit)
+ print_uint(PRINT_ANY,
+ "mcast_vlan_snooping",
+ "mcast_vlan_snooping %u ",
+ !!(bm->optval & mcvl_bit));
+ }
+
+ if (tb[IFLA_BR_MCAST_ROUTER])
+ print_uint(PRINT_ANY,
+ "mcast_router",
+ "mcast_router %u ",
+ rta_getattr_u8(tb[IFLA_BR_MCAST_ROUTER]));
+
+ if (tb[IFLA_BR_MCAST_QUERY_USE_IFADDR])
+ print_uint(PRINT_ANY,
+ "mcast_query_use_ifaddr",
+ "mcast_query_use_ifaddr %u ",
+ rta_getattr_u8(tb[IFLA_BR_MCAST_QUERY_USE_IFADDR]));
+
+ if (tb[IFLA_BR_MCAST_QUERIER])
+ print_uint(PRINT_ANY,
+ "mcast_querier",
+ "mcast_querier %u ",
+ rta_getattr_u8(tb[IFLA_BR_MCAST_QUERIER]));
+
+ if (tb[IFLA_BR_MCAST_HASH_ELASTICITY])
+ print_uint(PRINT_ANY,
+ "mcast_hash_elasticity",
+ "mcast_hash_elasticity %u ",
+ rta_getattr_u32(tb[IFLA_BR_MCAST_HASH_ELASTICITY]));
+
+ if (tb[IFLA_BR_MCAST_HASH_MAX])
+ print_uint(PRINT_ANY,
+ "mcast_hash_max",
+ "mcast_hash_max %u ",
+ rta_getattr_u32(tb[IFLA_BR_MCAST_HASH_MAX]));
+
+ if (tb[IFLA_BR_MCAST_LAST_MEMBER_CNT])
+ print_uint(PRINT_ANY,
+ "mcast_last_member_cnt",
+ "mcast_last_member_count %u ",
+ rta_getattr_u32(tb[IFLA_BR_MCAST_LAST_MEMBER_CNT]));
+
+ if (tb[IFLA_BR_MCAST_STARTUP_QUERY_CNT])
+ print_uint(PRINT_ANY,
+ "mcast_startup_query_cnt",
+ "mcast_startup_query_count %u ",
+ rta_getattr_u32(tb[IFLA_BR_MCAST_STARTUP_QUERY_CNT]));
+
+ if (tb[IFLA_BR_MCAST_LAST_MEMBER_INTVL])
+ print_lluint(PRINT_ANY,
+ "mcast_last_member_intvl",
+ "mcast_last_member_interval %llu ",
+ rta_getattr_u64(tb[IFLA_BR_MCAST_LAST_MEMBER_INTVL]));
+
+ if (tb[IFLA_BR_MCAST_MEMBERSHIP_INTVL])
+ print_lluint(PRINT_ANY,
+ "mcast_membership_intvl",
+ "mcast_membership_interval %llu ",
+ rta_getattr_u64(tb[IFLA_BR_MCAST_MEMBERSHIP_INTVL]));
+
+ if (tb[IFLA_BR_MCAST_QUERIER_INTVL])
+ print_lluint(PRINT_ANY,
+ "mcast_querier_intvl",
+ "mcast_querier_interval %llu ",
+ rta_getattr_u64(tb[IFLA_BR_MCAST_QUERIER_INTVL]));
+
+ if (tb[IFLA_BR_MCAST_QUERY_INTVL])
+ print_lluint(PRINT_ANY,
+ "mcast_query_intvl",
+ "mcast_query_interval %llu ",
+ rta_getattr_u64(tb[IFLA_BR_MCAST_QUERY_INTVL]));
+
+ if (tb[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL])
+ print_lluint(PRINT_ANY,
+ "mcast_query_response_intvl",
+ "mcast_query_response_interval %llu ",
+ rta_getattr_u64(tb[IFLA_BR_MCAST_QUERY_RESPONSE_INTVL]));
+
+ if (tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL])
+ print_lluint(PRINT_ANY,
+ "mcast_startup_query_intvl",
+ "mcast_startup_query_interval %llu ",
+ rta_getattr_u64(tb[IFLA_BR_MCAST_STARTUP_QUERY_INTVL]));
+
+ if (tb[IFLA_BR_MCAST_STATS_ENABLED])
+ print_uint(PRINT_ANY,
+ "mcast_stats_enabled",
+ "mcast_stats_enabled %u ",
+ rta_getattr_u8(tb[IFLA_BR_MCAST_STATS_ENABLED]));
+
+ if (tb[IFLA_BR_MCAST_IGMP_VERSION])
+ print_uint(PRINT_ANY,
+ "mcast_igmp_version",
+ "mcast_igmp_version %u ",
+ rta_getattr_u8(tb[IFLA_BR_MCAST_IGMP_VERSION]));
+
+ if (tb[IFLA_BR_MCAST_MLD_VERSION])
+ print_uint(PRINT_ANY,
+ "mcast_mld_version",
+ "mcast_mld_version %u ",
+ rta_getattr_u8(tb[IFLA_BR_MCAST_MLD_VERSION]));
+
+ if (tb[IFLA_BR_NF_CALL_IPTABLES])
+ print_uint(PRINT_ANY,
+ "nf_call_iptables",
+ "nf_call_iptables %u ",
+ rta_getattr_u8(tb[IFLA_BR_NF_CALL_IPTABLES]));
+
+ if (tb[IFLA_BR_NF_CALL_IP6TABLES])
+ print_uint(PRINT_ANY,
+ "nf_call_ip6tables",
+ "nf_call_ip6tables %u ",
+ rta_getattr_u8(tb[IFLA_BR_NF_CALL_IP6TABLES]));
+
+ if (tb[IFLA_BR_NF_CALL_ARPTABLES])
+ print_uint(PRINT_ANY,
+ "nf_call_arptables",
+ "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_mcast(const struct rtattr *attr)
+{
+ struct br_mcast_stats *mstats;
+
+ mstats = RTA_DATA(attr);
+ open_json_object("multicast");
+ open_json_object("igmp_queries");
+ print_string(PRINT_FP, NULL,
+ "%-16s IGMP queries:\n", "");
+ print_string(PRINT_FP, NULL, "%-16s ", "");
+ print_u64(PRINT_ANY, "rx_v1", "RX: v1 %llu ",
+ mstats->igmp_v1queries[BR_MCAST_DIR_RX]);
+ print_u64(PRINT_ANY, "rx_v2", "v2 %llu ",
+ mstats->igmp_v2queries[BR_MCAST_DIR_RX]);
+ print_u64(PRINT_ANY, "rx_v3", "v3 %llu\n",
+ mstats->igmp_v3queries[BR_MCAST_DIR_RX]);
+ print_string(PRINT_FP, NULL, "%-16s ", "");
+ print_u64(PRINT_ANY, "tx_v1", "TX: v1 %llu ",
+ mstats->igmp_v1queries[BR_MCAST_DIR_TX]);
+ print_u64(PRINT_ANY, "tx_v2", "v2 %llu ",
+ mstats->igmp_v2queries[BR_MCAST_DIR_TX]);
+ print_u64(PRINT_ANY, "tx_v3", "v3 %llu\n",
+ mstats->igmp_v3queries[BR_MCAST_DIR_TX]);
+ close_json_object();
+
+ open_json_object("igmp_reports");
+ print_string(PRINT_FP, NULL,
+ "%-16s IGMP reports:\n", "");
+ print_string(PRINT_FP, NULL, "%-16s ", "");
+ print_u64(PRINT_ANY, "rx_v1", "RX: v1 %llu ",
+ mstats->igmp_v1reports[BR_MCAST_DIR_RX]);
+ print_u64(PRINT_ANY, "rx_v2", "v2 %llu ",
+ mstats->igmp_v2reports[BR_MCAST_DIR_RX]);
+ print_u64(PRINT_ANY, "rx_v3", "v3 %llu\n",
+ mstats->igmp_v3reports[BR_MCAST_DIR_RX]);
+ print_string(PRINT_FP, NULL, "%-16s ", "");
+ print_u64(PRINT_ANY, "tx_v1", "TX: v1 %llu ",
+ mstats->igmp_v1reports[BR_MCAST_DIR_TX]);
+ print_u64(PRINT_ANY, "tx_v2", "v2 %llu ",
+ mstats->igmp_v2reports[BR_MCAST_DIR_TX]);
+ print_u64(PRINT_ANY, "tx_v3", "v3 %llu\n",
+ mstats->igmp_v3reports[BR_MCAST_DIR_TX]);
+ close_json_object();
+
+ open_json_object("igmp_leaves");
+ print_string(PRINT_FP, NULL,
+ "%-16s IGMP leaves: ", "");
+ print_u64(PRINT_ANY, "rx", "RX: %llu ",
+ mstats->igmp_leaves[BR_MCAST_DIR_RX]);
+ print_u64(PRINT_ANY, "tx", "TX: %llu\n",
+ mstats->igmp_leaves[BR_MCAST_DIR_TX]);
+ close_json_object();
+
+ print_string(PRINT_FP, NULL,
+ "%-16s IGMP parse errors: ", "");
+ print_u64(PRINT_ANY, "igmp_parse_errors", "%llu\n",
+ mstats->igmp_parse_errors);
+
+ open_json_object("mld_queries");
+ print_string(PRINT_FP, NULL,
+ "%-16s MLD queries:\n", "");
+ print_string(PRINT_FP, NULL, "%-16s ", "");
+ print_u64(PRINT_ANY, "rx_v1", "RX: v1 %llu ",
+ mstats->mld_v1queries[BR_MCAST_DIR_RX]);
+ print_u64(PRINT_ANY, "rx_v2", "v2 %llu\n",
+ mstats->mld_v2queries[BR_MCAST_DIR_RX]);
+ print_string(PRINT_FP, NULL, "%-16s ", "");
+ print_u64(PRINT_ANY, "tx_v1", "TX: v1 %llu ",
+ mstats->mld_v1queries[BR_MCAST_DIR_TX]);
+ print_u64(PRINT_ANY, "tx_v2", "v2 %llu\n",
+ mstats->mld_v2queries[BR_MCAST_DIR_TX]);
+ close_json_object();
+
+ open_json_object("mld_reports");
+ print_string(PRINT_FP, NULL,
+ "%-16s MLD reports:\n", "");
+ print_string(PRINT_FP, NULL, "%-16s ", "");
+ print_u64(PRINT_ANY, "rx_v1", "RX: v1 %llu ",
+ mstats->mld_v1reports[BR_MCAST_DIR_RX]);
+ print_u64(PRINT_ANY, "rx_v2", "v2 %llu\n",
+ mstats->mld_v2reports[BR_MCAST_DIR_RX]);
+ print_string(PRINT_FP, NULL, "%-16s ", "");
+ print_u64(PRINT_ANY, "tx_v1", "TX: v1 %llu ",
+ mstats->mld_v1reports[BR_MCAST_DIR_TX]);
+ print_u64(PRINT_ANY, "tx_v2", "v2 %llu\n",
+ mstats->mld_v2reports[BR_MCAST_DIR_TX]);
+ close_json_object();
+
+ open_json_object("mld_leaves");
+ print_string(PRINT_FP, NULL,
+ "%-16s MLD leaves: ", "");
+ print_u64(PRINT_ANY, "rx", "RX: %llu ",
+ mstats->mld_leaves[BR_MCAST_DIR_RX]);
+ print_u64(PRINT_ANY, "tx", "TX: %llu\n",
+ mstats->mld_leaves[BR_MCAST_DIR_TX]);
+ close_json_object();
+
+ print_string(PRINT_FP, NULL,
+ "%-16s MLD parse errors: ", "");
+ print_u64(PRINT_ANY, "mld_parse_errors", "%llu\n",
+ mstats->mld_parse_errors);
+ close_json_object();
+}
+
+static void bridge_print_stats_stp(const struct rtattr *attr)
+{
+ struct bridge_stp_xstats *sstats;
+
+ sstats = RTA_DATA(attr);
+ open_json_object("stp");
+ print_string(PRINT_FP, NULL,
+ "%-16s STP BPDU: ", "");
+ print_u64(PRINT_ANY, "rx_bpdu", "RX: %llu ",
+ sstats->rx_bpdu);
+ print_u64(PRINT_ANY, "tx_bpdu", "TX: %llu\n",
+ sstats->tx_bpdu);
+ print_string(PRINT_FP, NULL,
+ "%-16s STP TCN: ", "");
+ print_u64(PRINT_ANY, "rx_tcn", "RX: %llu ",
+ sstats->rx_tcn);
+ print_u64(PRINT_ANY, "tx_tcn", "TX: %llu\n",
+ sstats->tx_tcn);
+ print_string(PRINT_FP, NULL,
+ "%-16s STP Transitions: ", "");
+ print_u64(PRINT_ANY, "transition_blk", "Blocked: %llu ",
+ sstats->transition_blk);
+ print_u64(PRINT_ANY, "transition_fwd", "Forwarding: %llu\n",
+ sstats->transition_fwd);
+ close_json_object();
+}
+
+static void bridge_print_stats_attr(struct rtattr *attr, int ifindex)
+{
+ struct rtattr *brtb[LINK_XSTATS_TYPE_MAX+1];
+ 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);
+ open_json_object(NULL);
+ ifname = ll_index_to_name(ifindex);
+ print_string(PRINT_ANY, "ifname", "%-16s\n", ifname);
+ 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:
+ bridge_print_stats_mcast(i);
+ break;
+ case BRIDGE_XSTATS_STP:
+ bridge_print_stats_stp(i);
+ break;
+ }
+ }
+ close_json_object();
+}
+
+int bridge_print_xstats(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;
+
+ 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(tb[IFLA_STATS_LINK_XSTATS],
+ ifsm->ifindex);
+
+ if (tb[IFLA_STATS_LINK_XSTATS_SLAVE])
+ bridge_print_stats_attr(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, "stp") == 0) {
+ xstats_print_attr = BRIDGE_XSTATS_STP;
+ } else if (strcmp(*argv, "dev") == 0) {
+ NEXT_ARG();
+ filter_index = ll_name_to_index(*argv);
+ if (!filter_index)
+ return nodev(*argv);
+ } 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,
+};
+
+static const struct ipstats_stat_desc_xstats
+ipstats_stat_desc_xstats_bridge_stp = {
+ .desc = IPSTATS_STAT_DESC_XSTATS_LEAF("stp"),
+ .xstats_at = IFLA_STATS_LINK_XSTATS,
+ .link_type_at = LINK_XSTATS_TYPE_BRIDGE,
+ .inner_max = BRIDGE_XSTATS_MAX,
+ .inner_at = BRIDGE_XSTATS_STP,
+ .show_cb = &bridge_print_stats_stp,
+};
+
+static const struct ipstats_stat_desc_xstats
+ipstats_stat_desc_xstats_bridge_mcast = {
+ .desc = IPSTATS_STAT_DESC_XSTATS_LEAF("mcast"),
+ .xstats_at = IFLA_STATS_LINK_XSTATS,
+ .link_type_at = LINK_XSTATS_TYPE_BRIDGE,
+ .inner_max = BRIDGE_XSTATS_MAX,
+ .inner_at = BRIDGE_XSTATS_MCAST,
+ .show_cb = &bridge_print_stats_mcast,
+};
+
+static const struct ipstats_stat_desc *
+ipstats_stat_desc_xstats_bridge_subs[] = {
+ &ipstats_stat_desc_xstats_bridge_stp.desc,
+ &ipstats_stat_desc_xstats_bridge_mcast.desc,
+};
+
+const struct ipstats_stat_desc ipstats_stat_desc_xstats_bridge_group = {
+ .name = "bridge",
+ .kind = IPSTATS_STAT_DESC_KIND_GROUP,
+ .subs = ipstats_stat_desc_xstats_bridge_subs,
+ .nsubs = ARRAY_SIZE(ipstats_stat_desc_xstats_bridge_subs),
+};
+
+static const struct ipstats_stat_desc_xstats
+ipstats_stat_desc_xstats_slave_bridge_stp = {
+ .desc = IPSTATS_STAT_DESC_XSTATS_LEAF("stp"),
+ .xstats_at = IFLA_STATS_LINK_XSTATS_SLAVE,
+ .link_type_at = LINK_XSTATS_TYPE_BRIDGE,
+ .inner_max = BRIDGE_XSTATS_MAX,
+ .inner_at = BRIDGE_XSTATS_STP,
+ .show_cb = &bridge_print_stats_stp,
+};
+
+static const struct ipstats_stat_desc_xstats
+ipstats_stat_desc_xstats_slave_bridge_mcast = {
+ .desc = IPSTATS_STAT_DESC_XSTATS_LEAF("mcast"),
+ .xstats_at = IFLA_STATS_LINK_XSTATS_SLAVE,
+ .link_type_at = LINK_XSTATS_TYPE_BRIDGE,
+ .inner_max = BRIDGE_XSTATS_MAX,
+ .inner_at = BRIDGE_XSTATS_MCAST,
+ .show_cb = &bridge_print_stats_mcast,
+};
+
+static const struct ipstats_stat_desc *
+ipstats_stat_desc_xstats_slave_bridge_subs[] = {
+ &ipstats_stat_desc_xstats_slave_bridge_stp.desc,
+ &ipstats_stat_desc_xstats_slave_bridge_mcast.desc,
+};
+
+const struct ipstats_stat_desc ipstats_stat_desc_xstats_slave_bridge_group = {
+ .name = "bridge",
+ .kind = IPSTATS_STAT_DESC_KIND_GROUP,
+ .subs = ipstats_stat_desc_xstats_slave_bridge_subs,
+ .nsubs = ARRAY_SIZE(ipstats_stat_desc_xstats_slave_bridge_subs),
+};