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-rw-r--r--net/bridge/br_device.c3
-rw-r--r--net/bridge/br_fdb.c136
-rw-r--r--net/bridge/br_forward.c2
-rw-r--r--net/bridge/br_multicast.c73
-rw-r--r--net/bridge/br_netfilter.c10
-rw-r--r--net/bridge/br_netlink.c39
-rw-r--r--net/bridge/br_private.h17
-rw-r--r--net/bridge/br_private_stp.h7
-rw-r--r--net/bridge/br_stp.c4
-rw-r--r--net/bridge/br_stp_timer.c6
-rw-r--r--net/bridge/br_sysfs_br.c20
11 files changed, 152 insertions, 165 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index ba829de84423..d6e5929458b1 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -317,6 +317,9 @@ static const struct net_device_ops br_netdev_ops = {
.ndo_add_slave = br_add_slave,
.ndo_del_slave = br_del_slave,
.ndo_fix_features = br_fix_features,
+ .ndo_fdb_add = br_fdb_add,
+ .ndo_fdb_del = br_fdb_delete,
+ .ndo_fdb_dump = br_fdb_dump,
};
static void br_dev_free(struct net_device *dev)
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 5ba0c844d508..5945c54bc2de 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -487,14 +487,14 @@ static int fdb_fill_info(struct sk_buff *skb, const struct net_bridge *br,
ndm->ndm_ifindex = fdb->dst ? fdb->dst->dev->ifindex : br->dev->ifindex;
ndm->ndm_state = fdb_to_nud(fdb);
- NLA_PUT(skb, NDA_LLADDR, ETH_ALEN, &fdb->addr);
-
+ if (nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->addr))
+ goto nla_put_failure;
ci.ndm_used = jiffies_to_clock_t(now - fdb->used);
ci.ndm_confirmed = 0;
ci.ndm_updated = jiffies_to_clock_t(now - fdb->updated);
ci.ndm_refcnt = 0;
- NLA_PUT(skb, NDA_CACHEINFO, sizeof(ci), &ci);
-
+ if (nla_put(skb, NDA_CACHEINFO, sizeof(ci), &ci))
+ goto nla_put_failure;
return nlmsg_end(skb, nlh);
nla_put_failure:
@@ -535,44 +535,38 @@ errout:
}
/* Dump information about entries, in response to GETNEIGH */
-int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
+int br_fdb_dump(struct sk_buff *skb,
+ struct netlink_callback *cb,
+ struct net_device *dev,
+ int idx)
{
- struct net *net = sock_net(skb->sk);
- struct net_device *dev;
- int idx = 0;
-
- rcu_read_lock();
- for_each_netdev_rcu(net, dev) {
- struct net_bridge *br = netdev_priv(dev);
- int i;
+ struct net_bridge *br = netdev_priv(dev);
+ int i;
- if (!(dev->priv_flags & IFF_EBRIDGE))
- continue;
+ if (!(dev->priv_flags & IFF_EBRIDGE))
+ goto out;
- for (i = 0; i < BR_HASH_SIZE; i++) {
- struct hlist_node *h;
- struct net_bridge_fdb_entry *f;
-
- hlist_for_each_entry_rcu(f, h, &br->hash[i], hlist) {
- if (idx < cb->args[0])
- goto skip;
+ for (i = 0; i < BR_HASH_SIZE; i++) {
+ struct hlist_node *h;
+ struct net_bridge_fdb_entry *f;
- if (fdb_fill_info(skb, br, f,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq,
- RTM_NEWNEIGH,
- NLM_F_MULTI) < 0)
- break;
+ hlist_for_each_entry_rcu(f, h, &br->hash[i], hlist) {
+ if (idx < cb->args[0])
+ goto skip;
+
+ if (fdb_fill_info(skb, br, f,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+ RTM_NEWNEIGH,
+ NLM_F_MULTI) < 0)
+ break;
skip:
- ++idx;
- }
+ ++idx;
}
}
- rcu_read_unlock();
- cb->args[0] = idx;
-
- return skb->len;
+out:
+ return idx;
}
/* Update (create or replace) forwarding database entry */
@@ -614,43 +608,11 @@ static int fdb_add_entry(struct net_bridge_port *source, const __u8 *addr,
}
/* Add new permanent fdb entry with RTM_NEWNEIGH */
-int br_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
+int br_fdb_add(struct ndmsg *ndm, struct net_device *dev,
+ unsigned char *addr, u16 nlh_flags)
{
- struct net *net = sock_net(skb->sk);
- struct ndmsg *ndm;
- struct nlattr *tb[NDA_MAX+1];
- struct net_device *dev;
struct net_bridge_port *p;
- const __u8 *addr;
- int err;
-
- ASSERT_RTNL();
- err = nlmsg_parse(nlh, sizeof(*ndm), tb, NDA_MAX, NULL);
- if (err < 0)
- return err;
-
- ndm = nlmsg_data(nlh);
- if (ndm->ndm_ifindex == 0) {
- pr_info("bridge: RTM_NEWNEIGH with invalid ifindex\n");
- return -EINVAL;
- }
-
- dev = __dev_get_by_index(net, ndm->ndm_ifindex);
- if (dev == NULL) {
- pr_info("bridge: RTM_NEWNEIGH with unknown ifindex\n");
- return -ENODEV;
- }
-
- if (!tb[NDA_LLADDR] || nla_len(tb[NDA_LLADDR]) != ETH_ALEN) {
- pr_info("bridge: RTM_NEWNEIGH with invalid address\n");
- return -EINVAL;
- }
-
- addr = nla_data(tb[NDA_LLADDR]);
- if (!is_valid_ether_addr(addr)) {
- pr_info("bridge: RTM_NEWNEIGH with invalid ether address\n");
- return -EINVAL;
- }
+ int err = 0;
if (!(ndm->ndm_state & (NUD_PERMANENT|NUD_NOARP|NUD_REACHABLE))) {
pr_info("bridge: RTM_NEWNEIGH with invalid state %#x\n", ndm->ndm_state);
@@ -670,14 +632,14 @@ int br_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
rcu_read_unlock();
} else {
spin_lock_bh(&p->br->hash_lock);
- err = fdb_add_entry(p, addr, ndm->ndm_state, nlh->nlmsg_flags);
+ err = fdb_add_entry(p, addr, ndm->ndm_state, nlh_flags);
spin_unlock_bh(&p->br->hash_lock);
}
return err;
}
-static int fdb_delete_by_addr(struct net_bridge_port *p, const u8 *addr)
+static int fdb_delete_by_addr(struct net_bridge_port *p, u8 *addr)
{
struct net_bridge *br = p->br;
struct hlist_head *head = &br->hash[br_mac_hash(addr)];
@@ -692,40 +654,12 @@ static int fdb_delete_by_addr(struct net_bridge_port *p, const u8 *addr)
}
/* Remove neighbor entry with RTM_DELNEIGH */
-int br_fdb_delete(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
+int br_fdb_delete(struct ndmsg *ndm, struct net_device *dev,
+ unsigned char *addr)
{
- struct net *net = sock_net(skb->sk);
- struct ndmsg *ndm;
struct net_bridge_port *p;
- struct nlattr *llattr;
- const __u8 *addr;
- struct net_device *dev;
int err;
- ASSERT_RTNL();
- if (nlmsg_len(nlh) < sizeof(*ndm))
- return -EINVAL;
-
- ndm = nlmsg_data(nlh);
- if (ndm->ndm_ifindex == 0) {
- pr_info("bridge: RTM_DELNEIGH with invalid ifindex\n");
- return -EINVAL;
- }
-
- dev = __dev_get_by_index(net, ndm->ndm_ifindex);
- if (dev == NULL) {
- pr_info("bridge: RTM_DELNEIGH with unknown ifindex\n");
- return -ENODEV;
- }
-
- llattr = nlmsg_find_attr(nlh, sizeof(*ndm), NDA_LLADDR);
- if (llattr == NULL || nla_len(llattr) != ETH_ALEN) {
- pr_info("bridge: RTM_DELNEIGH with invalid address\n");
- return -EINVAL;
- }
-
- addr = nla_data(llattr);
-
p = br_port_get_rtnl(dev);
if (p == NULL) {
pr_info("bridge: RTM_DELNEIGH %s not a bridge port\n",
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index a2098e3de500..e9466d412707 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -34,7 +34,7 @@ static inline int should_deliver(const struct net_bridge_port *p,
p->state == BR_STATE_FORWARDING);
}
-static inline unsigned packet_length(const struct sk_buff *skb)
+static inline unsigned int packet_length(const struct sk_buff *skb)
{
return skb->len - (skb->protocol == htons(ETH_P_8021Q) ? VLAN_HLEN : 0);
}
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 27ca25ed7021..5ca4c50ea233 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -36,6 +36,8 @@
#define mlock_dereference(X, br) \
rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock))
+static void br_multicast_start_querier(struct net_bridge *br);
+
#if IS_ENABLED(CONFIG_IPV6)
static inline int ipv6_is_transient_multicast(const struct in6_addr *addr)
{
@@ -512,8 +514,8 @@ static struct net_bridge_mdb_entry *br_multicast_get_group(
struct net_bridge_mdb_htable *mdb;
struct net_bridge_mdb_entry *mp;
struct hlist_node *p;
- unsigned count = 0;
- unsigned max;
+ unsigned int count = 0;
+ unsigned int max;
int elasticity;
int err;
@@ -740,6 +742,20 @@ static void br_multicast_local_router_expired(unsigned long data)
{
}
+static void br_multicast_querier_expired(unsigned long data)
+{
+ struct net_bridge *br = (void *)data;
+
+ spin_lock(&br->multicast_lock);
+ if (!netif_running(br->dev) || br->multicast_disabled)
+ goto out;
+
+ br_multicast_start_querier(br);
+
+out:
+ spin_unlock(&br->multicast_lock);
+}
+
static void __br_multicast_send_query(struct net_bridge *br,
struct net_bridge_port *port,
struct br_ip *ip)
@@ -766,6 +782,7 @@ static void br_multicast_send_query(struct net_bridge *br,
struct br_ip br_group;
if (!netif_running(br->dev) || br->multicast_disabled ||
+ !br->multicast_querier ||
timer_pending(&br->multicast_querier_timer))
return;
@@ -1281,8 +1298,8 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
struct sk_buff *skb2 = skb;
const struct iphdr *iph;
struct igmphdr *ih;
- unsigned len;
- unsigned offset;
+ unsigned int len;
+ unsigned int offset;
int err;
/* We treat OOM as packet loss for now. */
@@ -1382,7 +1399,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
u8 icmp6_type;
u8 nexthdr;
__be16 frag_off;
- unsigned len;
+ unsigned int len;
int offset;
int err;
@@ -1548,6 +1565,7 @@ void br_multicast_init(struct net_bridge *br)
br->hash_max = 512;
br->multicast_router = 1;
+ br->multicast_querier = 0;
br->multicast_last_member_count = 2;
br->multicast_startup_query_count = 2;
@@ -1562,7 +1580,7 @@ void br_multicast_init(struct net_bridge *br)
setup_timer(&br->multicast_router_timer,
br_multicast_local_router_expired, 0);
setup_timer(&br->multicast_querier_timer,
- br_multicast_local_router_expired, 0);
+ br_multicast_querier_expired, (unsigned long)br);
setup_timer(&br->multicast_query_timer, br_multicast_query_expired,
(unsigned long)br);
}
@@ -1689,9 +1707,23 @@ unlock:
return err;
}
-int br_multicast_toggle(struct net_bridge *br, unsigned long val)
+static void br_multicast_start_querier(struct net_bridge *br)
{
struct net_bridge_port *port;
+
+ br_multicast_open(br);
+
+ list_for_each_entry(port, &br->port_list, list) {
+ if (port->state == BR_STATE_DISABLED ||
+ port->state == BR_STATE_BLOCKING)
+ continue;
+
+ __br_multicast_enable_port(port);
+ }
+}
+
+int br_multicast_toggle(struct net_bridge *br, unsigned long val)
+{
int err = 0;
struct net_bridge_mdb_htable *mdb;
@@ -1721,14 +1753,7 @@ rollback:
goto rollback;
}
- br_multicast_open(br);
- list_for_each_entry(port, &br->port_list, list) {
- if (port->state == BR_STATE_DISABLED ||
- port->state == BR_STATE_BLOCKING)
- continue;
-
- __br_multicast_enable_port(port);
- }
+ br_multicast_start_querier(br);
unlock:
spin_unlock_bh(&br->multicast_lock);
@@ -1736,6 +1761,24 @@ unlock:
return err;
}
+int br_multicast_set_querier(struct net_bridge *br, unsigned long val)
+{
+ val = !!val;
+
+ spin_lock_bh(&br->multicast_lock);
+ if (br->multicast_querier == val)
+ goto unlock;
+
+ br->multicast_querier = val;
+ if (val)
+ br_multicast_start_querier(br);
+
+unlock:
+ spin_unlock_bh(&br->multicast_lock);
+
+ return 0;
+}
+
int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val)
{
int err = -ENOENT;
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index d7f49b63ab0f..53f083686ae4 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -1004,12 +1004,6 @@ static ctl_table brnf_table[] = {
},
{ }
};
-
-static struct ctl_path brnf_path[] = {
- { .procname = "net", },
- { .procname = "bridge", },
- { }
-};
#endif
int __init br_netfilter_init(void)
@@ -1026,7 +1020,7 @@ int __init br_netfilter_init(void)
return ret;
}
#ifdef CONFIG_SYSCTL
- brnf_sysctl_header = register_sysctl_paths(brnf_path, brnf_table);
+ brnf_sysctl_header = register_net_sysctl(&init_net, "net/bridge", brnf_table);
if (brnf_sysctl_header == NULL) {
printk(KERN_WARNING
"br_netfilter: can't register to sysctl.\n");
@@ -1043,7 +1037,7 @@ void br_netfilter_fini(void)
{
nf_unregister_hooks(br_nf_ops, ARRAY_SIZE(br_nf_ops));
#ifdef CONFIG_SYSCTL
- unregister_sysctl_table(brnf_sysctl_header);
+ unregister_net_sysctl_table(brnf_sysctl_header);
#endif
dst_entries_destroy(&fake_dst_ops);
}
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index a1daf8227ed1..2080485515f1 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -60,20 +60,17 @@ static int br_fill_ifinfo(struct sk_buff *skb, const struct net_bridge_port *por
hdr->ifi_flags = dev_get_flags(dev);
hdr->ifi_change = 0;
- NLA_PUT_STRING(skb, IFLA_IFNAME, dev->name);
- NLA_PUT_U32(skb, IFLA_MASTER, br->dev->ifindex);
- NLA_PUT_U32(skb, IFLA_MTU, dev->mtu);
- NLA_PUT_U8(skb, IFLA_OPERSTATE, operstate);
-
- if (dev->addr_len)
- NLA_PUT(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr);
-
- if (dev->ifindex != dev->iflink)
- NLA_PUT_U32(skb, IFLA_LINK, dev->iflink);
-
- if (event == RTM_NEWLINK)
- NLA_PUT_U8(skb, IFLA_PROTINFO, port->state);
-
+ if (nla_put_string(skb, IFLA_IFNAME, dev->name) ||
+ nla_put_u32(skb, IFLA_MASTER, br->dev->ifindex) ||
+ nla_put_u32(skb, IFLA_MTU, dev->mtu) ||
+ nla_put_u8(skb, IFLA_OPERSTATE, operstate) ||
+ (dev->addr_len &&
+ nla_put(skb, IFLA_ADDRESS, dev->addr_len, dev->dev_addr)) ||
+ (dev->ifindex != dev->iflink &&
+ nla_put_u32(skb, IFLA_LINK, dev->iflink)) ||
+ (event == RTM_NEWLINK &&
+ nla_put_u8(skb, IFLA_PROTINFO, port->state)))
+ goto nla_put_failure;
return nlmsg_end(skb, nlh);
nla_put_failure:
@@ -91,7 +88,7 @@ void br_ifinfo_notify(int event, struct net_bridge_port *port)
int err = -ENOBUFS;
br_debug(port->br, "port %u(%s) event %d\n",
- (unsigned)port->port_no, port->dev->name, event);
+ (unsigned int)port->port_no, port->dev->name, event);
skb = nlmsg_new(br_nlmsg_size(), GFP_ATOMIC);
if (skb == NULL)
@@ -235,18 +232,6 @@ int __init br_netlink_init(void)
br_rtm_setlink, NULL, NULL);
if (err)
goto err3;
- err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH,
- br_fdb_add, NULL, NULL);
- if (err)
- goto err3;
- err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH,
- br_fdb_delete, NULL, NULL);
- if (err)
- goto err3;
- err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH,
- NULL, br_fdb_dump, NULL);
- if (err)
- goto err3;
return 0;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index e1d882257877..1a8ad4fb9a6b 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -224,6 +224,7 @@ struct net_bridge
unsigned char multicast_router;
u8 multicast_disabled:1;
+ u8 multicast_querier:1;
u32 hash_elasticity;
u32 hash_max;
@@ -359,9 +360,18 @@ extern int br_fdb_insert(struct net_bridge *br,
extern void br_fdb_update(struct net_bridge *br,
struct net_bridge_port *source,
const unsigned char *addr);
-extern int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb);
-extern int br_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg);
-extern int br_fdb_delete(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg);
+
+extern int br_fdb_delete(struct ndmsg *ndm,
+ struct net_device *dev,
+ unsigned char *addr);
+extern int br_fdb_add(struct ndmsg *nlh,
+ struct net_device *dev,
+ unsigned char *addr,
+ u16 nlh_flags);
+extern int br_fdb_dump(struct sk_buff *skb,
+ struct netlink_callback *cb,
+ struct net_device *dev,
+ int idx);
/* br_forward.c */
extern void br_deliver(const struct net_bridge_port *to,
@@ -417,6 +427,7 @@ extern int br_multicast_set_router(struct net_bridge *br, unsigned long val);
extern int br_multicast_set_port_router(struct net_bridge_port *p,
unsigned long val);
extern int br_multicast_toggle(struct net_bridge *br, unsigned long val);
+extern int br_multicast_set_querier(struct net_bridge *br, unsigned long val);
extern int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val);
static inline bool br_multicast_is_router(struct net_bridge *br)
diff --git a/net/bridge/br_private_stp.h b/net/bridge/br_private_stp.h
index 05ed9bc7e426..0c0fe36e7aa9 100644
--- a/net/bridge/br_private_stp.h
+++ b/net/bridge/br_private_stp.h
@@ -29,10 +29,9 @@
#define BR_MIN_PATH_COST 1
#define BR_MAX_PATH_COST 65535
-struct br_config_bpdu
-{
- unsigned topology_change:1;
- unsigned topology_change_ack:1;
+struct br_config_bpdu {
+ unsigned int topology_change:1;
+ unsigned int topology_change_ack:1;
bridge_id root;
int root_path_cost;
bridge_id bridge_id;
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 8c836d96ba76..af9a12099ba4 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -32,7 +32,7 @@ static const char *const br_port_state_names[] = {
void br_log_state(const struct net_bridge_port *p)
{
br_info(p->br, "port %u(%s) entered %s state\n",
- (unsigned) p->port_no, p->dev->name,
+ (unsigned int) p->port_no, p->dev->name,
br_port_state_names[p->state]);
}
@@ -478,7 +478,7 @@ void br_received_tcn_bpdu(struct net_bridge_port *p)
{
if (br_is_designated_port(p)) {
br_info(p->br, "port %u(%s) received tcn bpdu\n",
- (unsigned) p->port_no, p->dev->name);
+ (unsigned int) p->port_no, p->dev->name);
br_topology_change_detection(p->br);
br_topology_change_acknowledge(p);
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index 58de2a0f9975..a6747e673426 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -56,7 +56,7 @@ static void br_message_age_timer_expired(unsigned long arg)
return;
br_info(br, "port %u(%s) neighbor %.2x%.2x.%pM lost\n",
- (unsigned) p->port_no, p->dev->name,
+ (unsigned int) p->port_no, p->dev->name,
id->prio[0], id->prio[1], &id->addr);
/*
@@ -84,7 +84,7 @@ static void br_forward_delay_timer_expired(unsigned long arg)
struct net_bridge *br = p->br;
br_debug(br, "port %u(%s) forward delay timer\n",
- (unsigned) p->port_no, p->dev->name);
+ (unsigned int) p->port_no, p->dev->name);
spin_lock(&br->lock);
if (p->state == BR_STATE_LISTENING) {
p->state = BR_STATE_LEARNING;
@@ -131,7 +131,7 @@ static void br_hold_timer_expired(unsigned long arg)
struct net_bridge_port *p = (struct net_bridge_port *) arg;
br_debug(p->br, "port %u(%s) hold timer expired\n",
- (unsigned) p->port_no, p->dev->name);
+ (unsigned int) p->port_no, p->dev->name);
spin_lock(&p->br->lock);
if (p->config_pending)
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index c236c0e43984..c5c059333eab 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -297,7 +297,7 @@ static ssize_t store_group_addr(struct device *d,
const char *buf, size_t len)
{
struct net_bridge *br = to_bridge(d);
- unsigned new_addr[6];
+ unsigned int new_addr[6];
int i;
if (!capable(CAP_NET_ADMIN))
@@ -379,6 +379,23 @@ static ssize_t store_multicast_snooping(struct device *d,
static DEVICE_ATTR(multicast_snooping, S_IRUGO | S_IWUSR,
show_multicast_snooping, store_multicast_snooping);
+static ssize_t show_multicast_querier(struct device *d,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct net_bridge *br = to_bridge(d);
+ return sprintf(buf, "%d\n", br->multicast_querier);
+}
+
+static ssize_t store_multicast_querier(struct device *d,
+ struct device_attribute *attr,
+ const char *buf, size_t len)
+{
+ return store_bridge_parm(d, buf, len, br_multicast_set_querier);
+}
+static DEVICE_ATTR(multicast_querier, S_IRUGO | S_IWUSR,
+ show_multicast_querier, store_multicast_querier);
+
static ssize_t show_hash_elasticity(struct device *d,
struct device_attribute *attr, char *buf)
{
@@ -702,6 +719,7 @@ static struct attribute *bridge_attrs[] = {
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
&dev_attr_multicast_router.attr,
&dev_attr_multicast_snooping.attr,
+ &dev_attr_multicast_querier.attr,
&dev_attr_hash_elasticity.attr,
&dev_attr_hash_max.attr,
&dev_attr_multicast_last_member_count.attr,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.