summaryrefslogtreecommitdiff
path: root/net/bridge
diff options
context:
space:
mode:
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_device.c21
-rw-r--r--net/bridge/br_fdb.c5
-rw-r--r--net/bridge/br_forward.c14
-rw-r--r--net/bridge/br_if.c2
-rw-r--r--net/bridge/br_input.c15
-rw-r--r--net/bridge/br_mdb.c2
-rw-r--r--net/bridge/br_multicast.c74
-rw-r--r--net/bridge/br_netfilter.c4
-rw-r--r--net/bridge/br_netlink.c10
-rw-r--r--net/bridge/br_notify.c2
-rw-r--r--net/bridge/br_private.h9
-rw-r--r--net/bridge/br_sysfs_br.c26
-rw-r--r--net/bridge/br_sysfs_if.c4
-rw-r--r--net/bridge/netfilter/ebt_ulog.c6
-rw-r--r--net/bridge/netfilter/ebtables.c6
15 files changed, 139 insertions, 61 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 967312803e41..2ef66781fedb 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -22,6 +22,9 @@
#include <asm/uaccess.h>
#include "br_private.h"
+#define COMMON_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA | \
+ NETIF_F_GSO_MASK | NETIF_F_HW_CSUM)
+
/* net device transmit always called with BH disabled */
netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
{
@@ -55,10 +58,10 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
skb_pull(skb, ETH_HLEN);
if (is_broadcast_ether_addr(dest))
- br_flood_deliver(br, skb);
+ br_flood_deliver(br, skb, false);
else if (is_multicast_ether_addr(dest)) {
if (unlikely(netpoll_tx_running(dev))) {
- br_flood_deliver(br, skb);
+ br_flood_deliver(br, skb, false);
goto out;
}
if (br_multicast_rcv(br, NULL, skb)) {
@@ -70,11 +73,11 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb))
br_multicast_deliver(mdst, skb);
else
- br_flood_deliver(br, skb);
+ br_flood_deliver(br, skb, false);
} else if ((dst = __br_fdb_get(br, dest, vid)) != NULL)
br_deliver(dst->dst, skb);
else
- br_flood_deliver(br, skb);
+ br_flood_deliver(br, skb, true);
out:
rcu_read_unlock();
@@ -346,12 +349,10 @@ void br_dev_setup(struct net_device *dev)
dev->tx_queue_len = 0;
dev->priv_flags = IFF_EBRIDGE;
- dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
- NETIF_F_GSO_MASK | NETIF_F_HW_CSUM | NETIF_F_LLTX |
- NETIF_F_NETNS_LOCAL | NETIF_F_HW_VLAN_CTAG_TX;
- dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
- NETIF_F_GSO_MASK | NETIF_F_HW_CSUM |
- NETIF_F_HW_VLAN_CTAG_TX;
+ dev->features = COMMON_FEATURES | NETIF_F_LLTX | NETIF_F_NETNS_LOCAL |
+ NETIF_F_HW_VLAN_CTAG_TX;
+ dev->hw_features = COMMON_FEATURES | NETIF_F_HW_VLAN_CTAG_TX;
+ dev->vlan_features = COMMON_FEATURES;
br->dev = dev;
spin_lock_init(&br->lock);
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index ebfa4443c69b..60aca9109a50 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -707,6 +707,11 @@ int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
}
}
+ if (is_zero_ether_addr(addr)) {
+ pr_info("bridge: RTM_NEWNEIGH with invalid ether address\n");
+ return -EINVAL;
+ }
+
p = br_port_get_rtnl(dev);
if (p == NULL) {
pr_info("bridge: RTM_NEWNEIGH %s not a bridge port\n",
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 092b20e4ee4c..4b81b1471789 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -174,7 +174,8 @@ out:
static void br_flood(struct net_bridge *br, struct sk_buff *skb,
struct sk_buff *skb0,
void (*__packet_hook)(const struct net_bridge_port *p,
- struct sk_buff *skb))
+ struct sk_buff *skb),
+ bool unicast)
{
struct net_bridge_port *p;
struct net_bridge_port *prev;
@@ -182,6 +183,9 @@ static void br_flood(struct net_bridge *br, struct sk_buff *skb,
prev = NULL;
list_for_each_entry_rcu(p, &br->port_list, list) {
+ /* Do not flood unicast traffic to ports that turn it off */
+ if (unicast && !(p->flags & BR_FLOOD))
+ continue;
prev = maybe_deliver(prev, p, skb, __packet_hook);
if (IS_ERR(prev))
goto out;
@@ -203,16 +207,16 @@ out:
/* called with rcu_read_lock */
-void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb)
+void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb, bool unicast)
{
- br_flood(br, skb, NULL, __br_deliver);
+ br_flood(br, skb, NULL, __br_deliver, unicast);
}
/* called under bridge lock */
void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
- struct sk_buff *skb2)
+ struct sk_buff *skb2, bool unicast)
{
- br_flood(br, skb, skb2, __br_forward);
+ br_flood(br, skb, skb2, __br_forward, unicast);
}
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 4cdba60926ff..5623be6b9ecd 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -221,7 +221,7 @@ static struct net_bridge_port *new_nbp(struct net_bridge *br,
p->path_cost = port_cost(dev);
p->priority = 0x8000 >> BR_PORT_BITS;
p->port_no = index;
- p->flags = 0;
+ p->flags = BR_LEARNING | BR_FLOOD;
br_init_port(p);
p->state = BR_STATE_DISABLED;
br_stp_port_timer_init(p);
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 828e2bcc1f52..1b8b8b824cd7 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -65,6 +65,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
struct net_bridge_fdb_entry *dst;
struct net_bridge_mdb_entry *mdst;
struct sk_buff *skb2;
+ bool unicast = true;
u16 vid = 0;
if (!p || p->state == BR_STATE_DISABLED)
@@ -75,7 +76,8 @@ int br_handle_frame_finish(struct sk_buff *skb)
/* insert into forwarding database after filtering to avoid spoofing */
br = p->br;
- br_fdb_update(br, p, eth_hdr(skb)->h_source, vid);
+ if (p->flags & BR_LEARNING)
+ br_fdb_update(br, p, eth_hdr(skb)->h_source, vid);
if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) &&
br_multicast_rcv(br, p, skb))
@@ -94,9 +96,10 @@ int br_handle_frame_finish(struct sk_buff *skb)
dst = NULL;
- if (is_broadcast_ether_addr(dest))
+ if (is_broadcast_ether_addr(dest)) {
skb2 = skb;
- else if (is_multicast_ether_addr(dest)) {
+ unicast = false;
+ } else if (is_multicast_ether_addr(dest)) {
mdst = br_mdb_get(br, skb, vid);
if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
if ((mdst && mdst->mglist) ||
@@ -109,6 +112,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
} else
skb2 = skb;
+ unicast = false;
br->dev->stats.multicast++;
} else if ((dst = __br_fdb_get(br, dest, vid)) &&
dst->is_local) {
@@ -122,7 +126,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
dst->used = jiffies;
br_forward(dst->dst, skb, skb2);
} else
- br_flood_forward(br, skb, skb2);
+ br_flood_forward(br, skb, skb2, unicast);
}
if (skb2)
@@ -142,7 +146,8 @@ static int br_handle_local_finish(struct sk_buff *skb)
u16 vid = 0;
br_vlan_get_tag(skb, &vid);
- br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid);
+ if (p->flags & BR_LEARNING)
+ br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid);
return 0; /* process further */
}
diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index 19942e38fd2d..0daae3ec2355 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -447,7 +447,7 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry)
call_rcu_bh(&p->rcu, br_multicast_free_pg);
err = 0;
- if (!mp->ports && !mp->mglist &&
+ if (!mp->ports && !mp->mglist && mp->timer_armed &&
netif_running(br->dev))
mod_timer(&mp->timer, jiffies);
break;
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index d6448e35e027..69af490cce44 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -23,6 +23,7 @@
#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/timer.h>
+#include <linux/inetdevice.h>
#include <net/ip.h>
#if IS_ENABLED(CONFIG_IPV6)
#include <net/ipv6.h>
@@ -269,7 +270,7 @@ static void br_multicast_del_pg(struct net_bridge *br,
del_timer(&p->timer);
call_rcu_bh(&p->rcu, br_multicast_free_pg);
- if (!mp->ports && !mp->mglist &&
+ if (!mp->ports && !mp->mglist && mp->timer_armed &&
netif_running(br->dev))
mod_timer(&mp->timer, jiffies);
@@ -381,7 +382,8 @@ static struct sk_buff *br_ip4_multicast_alloc_query(struct net_bridge *br,
iph->frag_off = htons(IP_DF);
iph->ttl = 1;
iph->protocol = IPPROTO_IGMP;
- iph->saddr = 0;
+ iph->saddr = br->multicast_query_use_ifaddr ?
+ inet_select_addr(br->dev, 0, RT_SCOPE_LINK) : 0;
iph->daddr = htonl(INADDR_ALLHOSTS_GROUP);
((u8 *)&iph[1])[0] = IPOPT_RA;
((u8 *)&iph[1])[1] = 4;
@@ -616,8 +618,6 @@ rehash:
mp->br = br;
mp->addr = *group;
- setup_timer(&mp->timer, br_multicast_group_expired,
- (unsigned long)mp);
hlist_add_head_rcu(&mp->hlist[mdb->ver], &mdb->mhash[hash]);
mdb->size++;
@@ -655,7 +655,6 @@ static int br_multicast_add_group(struct net_bridge *br,
struct net_bridge_mdb_entry *mp;
struct net_bridge_port_group *p;
struct net_bridge_port_group __rcu **pp;
- unsigned long now = jiffies;
int err;
spin_lock(&br->multicast_lock);
@@ -670,7 +669,6 @@ static int br_multicast_add_group(struct net_bridge *br,
if (!port) {
mp->mglist = true;
- mod_timer(&mp->timer, now + br->multicast_membership_interval);
goto out;
}
@@ -678,7 +676,7 @@ static int br_multicast_add_group(struct net_bridge *br,
(p = mlock_dereference(*pp, br)) != NULL;
pp = &p->next) {
if (p->port == port)
- goto found;
+ goto out;
if ((unsigned long)p->port < (unsigned long)port)
break;
}
@@ -689,8 +687,6 @@ static int br_multicast_add_group(struct net_bridge *br,
rcu_assign_pointer(*pp, p);
br_mdb_notify(br->dev, port, group, RTM_NEWMDB);
-found:
- mod_timer(&p->timer, now + br->multicast_membership_interval);
out:
err = 0;
@@ -1016,7 +1012,7 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br,
#endif
/*
- * Add port to rotuer_list
+ * Add port to router_list
* list is maintained ordered by pointer value
* and locked by br->multicast_lock and RCU
*/
@@ -1130,6 +1126,10 @@ static int br_ip4_multicast_query(struct net_bridge *br,
if (!mp)
goto out;
+ setup_timer(&mp->timer, br_multicast_group_expired, (unsigned long)mp);
+ mod_timer(&mp->timer, now + br->multicast_membership_interval);
+ mp->timer_armed = true;
+
max_delay *= br->multicast_last_member_count;
if (mp->mglist &&
@@ -1204,6 +1204,10 @@ static int br_ip6_multicast_query(struct net_bridge *br,
if (!mp)
goto out;
+ setup_timer(&mp->timer, br_multicast_group_expired, (unsigned long)mp);
+ mod_timer(&mp->timer, now + br->multicast_membership_interval);
+ mp->timer_armed = true;
+
max_delay *= br->multicast_last_member_count;
if (mp->mglist &&
(timer_pending(&mp->timer) ?
@@ -1247,6 +1251,32 @@ static void br_multicast_leave_group(struct net_bridge *br,
if (!mp)
goto out;
+ if (br->multicast_querier &&
+ !timer_pending(&br->multicast_querier_timer)) {
+ __br_multicast_send_query(br, port, &mp->addr);
+
+ time = jiffies + br->multicast_last_member_count *
+ br->multicast_last_member_interval;
+ mod_timer(port ? &port->multicast_query_timer :
+ &br->multicast_query_timer, time);
+
+ for (p = mlock_dereference(mp->ports, br);
+ p != NULL;
+ p = mlock_dereference(p->next, br)) {
+ if (p->port != port)
+ continue;
+
+ if (!hlist_unhashed(&p->mglist) &&
+ (timer_pending(&p->timer) ?
+ time_after(p->timer.expires, time) :
+ try_to_del_timer_sync(&p->timer) >= 0)) {
+ mod_timer(&p->timer, time);
+ }
+
+ break;
+ }
+ }
+
if (port && (port->flags & BR_MULTICAST_FAST_LEAVE)) {
struct net_bridge_port_group __rcu **pp;
@@ -1262,7 +1292,7 @@ static void br_multicast_leave_group(struct net_bridge *br,
call_rcu_bh(&p->rcu, br_multicast_free_pg);
br_mdb_notify(br->dev, port, group, RTM_DELMDB);
- if (!mp->ports && !mp->mglist &&
+ if (!mp->ports && !mp->mglist && mp->timer_armed &&
netif_running(br->dev))
mod_timer(&mp->timer, jiffies);
}
@@ -1274,30 +1304,12 @@ static void br_multicast_leave_group(struct net_bridge *br,
br->multicast_last_member_interval;
if (!port) {
- if (mp->mglist &&
+ if (mp->mglist && mp->timer_armed &&
(timer_pending(&mp->timer) ?
time_after(mp->timer.expires, time) :
try_to_del_timer_sync(&mp->timer) >= 0)) {
mod_timer(&mp->timer, time);
}
-
- goto out;
- }
-
- for (p = mlock_dereference(mp->ports, br);
- p != NULL;
- p = mlock_dereference(p->next, br)) {
- if (p->port != port)
- continue;
-
- if (!hlist_unhashed(&p->mglist) &&
- (timer_pending(&p->timer) ?
- time_after(p->timer.expires, time) :
- try_to_del_timer_sync(&p->timer) >= 0)) {
- mod_timer(&p->timer, time);
- }
-
- break;
}
out:
@@ -1619,6 +1631,7 @@ void br_multicast_init(struct net_bridge *br)
br->multicast_router = 1;
br->multicast_querier = 0;
+ br->multicast_query_use_ifaddr = 0;
br->multicast_last_member_count = 2;
br->multicast_startup_query_count = 2;
@@ -1672,6 +1685,7 @@ void br_multicast_stop(struct net_bridge *br)
hlist_for_each_entry_safe(mp, n, &mdb->mhash[i],
hlist[ver]) {
del_timer(&mp->timer);
+ mp->timer_armed = false;
call_rcu_bh(&mp->rcu, br_multicast_free_group);
}
}
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 1ed75bfd8d1d..f87736270eaa 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -992,7 +992,7 @@ static struct nf_hook_ops br_nf_ops[] __read_mostly = {
#ifdef CONFIG_SYSCTL
static
-int brnf_sysctl_call_tables(ctl_table * ctl, int write,
+int brnf_sysctl_call_tables(struct ctl_table *ctl, int write,
void __user * buffer, size_t * lenp, loff_t * ppos)
{
int ret;
@@ -1004,7 +1004,7 @@ int brnf_sysctl_call_tables(ctl_table * ctl, int write,
return ret;
}
-static ctl_table brnf_table[] = {
+static struct ctl_table brnf_table[] = {
{
.procname = "bridge-nf-call-arptables",
.data = &brnf_call_arptables,
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 8e3abf564798..1fc30abd3a52 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -30,6 +30,8 @@ static inline size_t br_port_info_size(void)
+ nla_total_size(1) /* IFLA_BRPORT_GUARD */
+ nla_total_size(1) /* IFLA_BRPORT_PROTECT */
+ nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */
+ + nla_total_size(1) /* IFLA_BRPORT_LEARNING */
+ + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */
+ 0;
}
@@ -56,7 +58,9 @@ static int br_port_fill_attrs(struct sk_buff *skb,
nla_put_u8(skb, IFLA_BRPORT_MODE, mode) ||
nla_put_u8(skb, IFLA_BRPORT_GUARD, !!(p->flags & BR_BPDU_GUARD)) ||
nla_put_u8(skb, IFLA_BRPORT_PROTECT, !!(p->flags & BR_ROOT_BLOCK)) ||
- nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, !!(p->flags & BR_MULTICAST_FAST_LEAVE)))
+ nla_put_u8(skb, IFLA_BRPORT_FAST_LEAVE, !!(p->flags & BR_MULTICAST_FAST_LEAVE)) ||
+ nla_put_u8(skb, IFLA_BRPORT_LEARNING, !!(p->flags & BR_LEARNING)) ||
+ nla_put_u8(skb, IFLA_BRPORT_UNICAST_FLOOD, !!(p->flags & BR_FLOOD)))
return -EMSGSIZE;
return 0;
@@ -281,6 +285,8 @@ static const struct nla_policy ifla_brport_policy[IFLA_BRPORT_MAX + 1] = {
[IFLA_BRPORT_MODE] = { .type = NLA_U8 },
[IFLA_BRPORT_GUARD] = { .type = NLA_U8 },
[IFLA_BRPORT_PROTECT] = { .type = NLA_U8 },
+ [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 },
+ [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 },
};
/* Change the state of the port and notify spanning tree */
@@ -328,6 +334,8 @@ static int br_setport(struct net_bridge_port *p, struct nlattr *tb[])
br_set_port_flag(p, tb, IFLA_BRPORT_GUARD, BR_BPDU_GUARD);
br_set_port_flag(p, tb, IFLA_BRPORT_FAST_LEAVE, BR_MULTICAST_FAST_LEAVE);
br_set_port_flag(p, tb, IFLA_BRPORT_PROTECT, BR_ROOT_BLOCK);
+ br_set_port_flag(p, tb, IFLA_BRPORT_LEARNING, BR_LEARNING);
+ br_set_port_flag(p, tb, IFLA_BRPORT_UNICAST_FLOOD, BR_FLOOD);
if (tb[IFLA_BRPORT_COST]) {
err = br_stp_set_path_cost(p, nla_get_u32(tb[IFLA_BRPORT_COST]));
diff --git a/net/bridge/br_notify.c b/net/bridge/br_notify.c
index 1644b3e1f947..3a3f371b2841 100644
--- a/net/bridge/br_notify.c
+++ b/net/bridge/br_notify.c
@@ -31,7 +31,7 @@ struct notifier_block br_device_notifier = {
*/
static int br_device_event(struct notifier_block *unused, unsigned long event, void *ptr)
{
- struct net_device *dev = ptr;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct net_bridge_port *p;
struct net_bridge *br;
bool changed_addr;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index d2c043a857b6..3be89b3ce17b 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -112,6 +112,7 @@ struct net_bridge_mdb_entry
struct timer_list timer;
struct br_ip addr;
bool mglist;
+ bool timer_armed;
};
struct net_bridge_mdb_htable
@@ -157,6 +158,8 @@ struct net_bridge_port
#define BR_ROOT_BLOCK 0x00000004
#define BR_MULTICAST_FAST_LEAVE 0x00000008
#define BR_ADMIN_COST 0x00000010
+#define BR_LEARNING 0x00000020
+#define BR_FLOOD 0x00000040
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
u32 multicast_startup_queries_sent;
@@ -249,6 +252,7 @@ struct net_bridge
u8 multicast_disabled:1;
u8 multicast_querier:1;
+ u8 multicast_query_use_ifaddr:1;
u32 hash_elasticity;
u32 hash_max;
@@ -411,9 +415,10 @@ extern int br_dev_queue_push_xmit(struct sk_buff *skb);
extern void br_forward(const struct net_bridge_port *to,
struct sk_buff *skb, struct sk_buff *skb0);
extern int br_forward_finish(struct sk_buff *skb);
-extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb);
+extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb,
+ bool unicast);
extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
- struct sk_buff *skb2);
+ struct sk_buff *skb2, bool unicast);
/* br_if.c */
extern void br_port_carrier_check(struct net_bridge_port *p);
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 8baa9c08e1a4..394bb96b6087 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -375,6 +375,31 @@ 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_query_use_ifaddr(struct device *d,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct net_bridge *br = to_bridge(d);
+ return sprintf(buf, "%d\n", br->multicast_query_use_ifaddr);
+}
+
+static int set_query_use_ifaddr(struct net_bridge *br, unsigned long val)
+{
+ br->multicast_query_use_ifaddr = !!val;
+ return 0;
+}
+
+static ssize_t
+store_multicast_query_use_ifaddr(struct device *d,
+ struct device_attribute *attr,
+ const char *buf, size_t len)
+{
+ return store_bridge_parm(d, buf, len, set_query_use_ifaddr);
+}
+static DEVICE_ATTR(multicast_query_use_ifaddr, S_IRUGO | S_IWUSR,
+ show_multicast_query_use_ifaddr,
+ store_multicast_query_use_ifaddr);
+
static ssize_t show_multicast_querier(struct device *d,
struct device_attribute *attr,
char *buf)
@@ -734,6 +759,7 @@ static struct attribute *bridge_attrs[] = {
&dev_attr_multicast_router.attr,
&dev_attr_multicast_snooping.attr,
&dev_attr_multicast_querier.attr,
+ &dev_attr_multicast_query_use_ifaddr.attr,
&dev_attr_hash_elasticity.attr,
&dev_attr_hash_max.attr,
&dev_attr_multicast_last_member_count.attr,
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index a1ef1b6e14dc..2a2cdb756d51 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -158,6 +158,8 @@ static BRPORT_ATTR(flush, S_IWUSR, NULL, store_flush);
BRPORT_ATTR_FLAG(hairpin_mode, BR_HAIRPIN_MODE);
BRPORT_ATTR_FLAG(bpdu_guard, BR_BPDU_GUARD);
BRPORT_ATTR_FLAG(root_block, BR_ROOT_BLOCK);
+BRPORT_ATTR_FLAG(learning, BR_LEARNING);
+BRPORT_ATTR_FLAG(unicast_flood, BR_FLOOD);
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
static ssize_t show_multicast_router(struct net_bridge_port *p, char *buf)
@@ -195,6 +197,8 @@ static const struct brport_attribute *brport_attrs[] = {
&brport_attr_hairpin_mode,
&brport_attr_bpdu_guard,
&brport_attr_root_block,
+ &brport_attr_learning,
+ &brport_attr_unicast_flood,
#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
&brport_attr_multicast_router,
&brport_attr_multicast_fast_leave,
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index df0364aa12d5..518093802d1d 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -271,6 +271,12 @@ static int ebt_ulog_tg_check(const struct xt_tgchk_param *par)
{
struct ebt_ulog_info *uloginfo = par->targinfo;
+ if (!par->net->xt.ebt_ulog_warn_deprecated) {
+ pr_info("ebt_ulog is deprecated and it will be removed soon, "
+ "use ebt_nflog instead\n");
+ par->net->xt.ebt_ulog_warn_deprecated = true;
+ }
+
if (uloginfo->nlgroup > 31)
return -EINVAL;
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 3d110c4fc787..ac7802428384 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1339,7 +1339,7 @@ static inline int ebt_make_matchname(const struct ebt_entry_match *m,
/* ebtables expects 32 bytes long names but xt_match names are 29 bytes
long. Copy 29 bytes and fill remaining bytes with zeroes. */
- strncpy(name, m->u.match->name, sizeof(name));
+ strlcpy(name, m->u.match->name, sizeof(name));
if (copy_to_user(hlp, name, EBT_FUNCTION_MAXNAMELEN))
return -EFAULT;
return 0;
@@ -1351,7 +1351,7 @@ static inline int ebt_make_watchername(const struct ebt_entry_watcher *w,
char __user *hlp = ubase + ((char *)w - base);
char name[EBT_FUNCTION_MAXNAMELEN] = {};
- strncpy(name, w->u.watcher->name, sizeof(name));
+ strlcpy(name, w->u.watcher->name, sizeof(name));
if (copy_to_user(hlp , name, EBT_FUNCTION_MAXNAMELEN))
return -EFAULT;
return 0;
@@ -1377,7 +1377,7 @@ ebt_make_names(struct ebt_entry *e, const char *base, char __user *ubase)
ret = EBT_WATCHER_ITERATE(e, ebt_make_watchername, base, ubase);
if (ret != 0)
return ret;
- strncpy(name, t->u.target->name, sizeof(name));
+ strlcpy(name, t->u.target->name, sizeof(name));
if (copy_to_user(hlp, name, EBT_FUNCTION_MAXNAMELEN))
return -EFAULT;
return 0;
generated by cgit v1.2.3 (git 2.39.0) at 2024-09-06 09:36:23 +0300