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authorJohannes Berg <johannes.berg@intel.com>2012-10-15 17:20:54 +0200
committerJohannes Berg <johannes.berg@intel.com>2012-10-15 17:20:54 +0200
commitdf9b42963f2d010ae3163a894ce22cf6b27cd344 (patch)
treef42f826d9bb975766c1a79986c39e64c9a900908 /net/bridge
parent33766368f6532313571534f9112b1796d6651bbe (diff)
parentc3e7724b6bc2f25e46c38dbe68f09d71fafeafb8 (diff)
Merge remote-tracking branch 'wireless/master' into mac80211
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_device.c30
-rw-r--r--net/bridge/br_fdb.c17
-rw-r--r--net/bridge/br_forward.c2
-rw-r--r--net/bridge/br_if.c6
-rw-r--r--net/bridge/br_netlink.c2
-rw-r--r--net/bridge/br_private.h10
-rw-r--r--net/bridge/br_stp_timer.c2
-rw-r--r--net/bridge/br_sysfs_if.c6
-rw-r--r--net/bridge/netfilter/ebt_log.c2
-rw-r--r--net/bridge/netfilter/ebt_ulog.c3
-rw-r--r--net/bridge/netfilter/ebtable_filter.c4
-rw-r--r--net/bridge/netfilter/ebtable_nat.c4
12 files changed, 42 insertions, 46 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 33348453760..070e8a68cfc 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -31,9 +31,11 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
struct net_bridge_mdb_entry *mdst;
struct br_cpu_netstats *brstats = this_cpu_ptr(br->stats);
+ rcu_read_lock();
#ifdef CONFIG_BRIDGE_NETFILTER
if (skb->nf_bridge && (skb->nf_bridge->mask & BRNF_BRIDGED_DNAT)) {
br_nf_pre_routing_finish_bridge_slow(skb);
+ rcu_read_unlock();
return NETDEV_TX_OK;
}
#endif
@@ -48,7 +50,6 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
skb_reset_mac_header(skb);
skb_pull(skb, ETH_HLEN);
- rcu_read_lock();
if (is_broadcast_ether_addr(dest))
br_flood_deliver(br, skb);
else if (is_multicast_ether_addr(dest)) {
@@ -206,24 +207,23 @@ static void br_poll_controller(struct net_device *br_dev)
static void br_netpoll_cleanup(struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
- struct net_bridge_port *p, *n;
+ struct net_bridge_port *p;
- list_for_each_entry_safe(p, n, &br->port_list, list) {
+ list_for_each_entry(p, &br->port_list, list)
br_netpoll_disable(p);
- }
}
-static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni)
+static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni,
+ gfp_t gfp)
{
struct net_bridge *br = netdev_priv(dev);
- struct net_bridge_port *p, *n;
+ struct net_bridge_port *p;
int err = 0;
- list_for_each_entry_safe(p, n, &br->port_list, list) {
+ list_for_each_entry(p, &br->port_list, list) {
if (!p->dev)
continue;
-
- err = br_netpoll_enable(p);
+ err = br_netpoll_enable(p, gfp);
if (err)
goto fail;
}
@@ -236,17 +236,17 @@ fail:
goto out;
}
-int br_netpoll_enable(struct net_bridge_port *p)
+int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp)
{
struct netpoll *np;
int err = 0;
- np = kzalloc(sizeof(*p->np), GFP_KERNEL);
+ np = kzalloc(sizeof(*p->np), gfp);
err = -ENOMEM;
if (!np)
goto out;
- err = __netpoll_setup(np, p->dev);
+ err = __netpoll_setup(np, p->dev, gfp);
if (err) {
kfree(np);
goto out;
@@ -267,11 +267,7 @@ void br_netpoll_disable(struct net_bridge_port *p)
p->np = NULL;
- /* Wait for transmitting packets to finish before freeing. */
- synchronize_rcu_bh();
-
- __netpoll_cleanup(np);
- kfree(np);
+ __netpoll_free_rcu(np);
}
#endif
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index d21f3238351..d9576e6de2b 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -312,7 +312,7 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf,
fe->is_local = f->is_local;
if (!f->is_static)
- fe->ageing_timer_value = jiffies_to_clock_t(jiffies - f->updated);
+ fe->ageing_timer_value = jiffies_delta_to_clock_t(jiffies - f->updated);
++fe;
++num;
}
@@ -467,14 +467,14 @@ static int fdb_to_nud(const struct net_bridge_fdb_entry *fdb)
static int fdb_fill_info(struct sk_buff *skb, const struct net_bridge *br,
const struct net_bridge_fdb_entry *fdb,
- u32 pid, u32 seq, int type, unsigned int flags)
+ u32 portid, u32 seq, int type, unsigned int flags)
{
unsigned long now = jiffies;
struct nda_cacheinfo ci;
struct nlmsghdr *nlh;
struct ndmsg *ndm;
- nlh = nlmsg_put(skb, pid, seq, type, sizeof(*ndm), flags);
+ nlh = nlmsg_put(skb, portid, seq, type, sizeof(*ndm), flags);
if (nlh == NULL)
return -EMSGSIZE;
@@ -555,7 +555,7 @@ int br_fdb_dump(struct sk_buff *skb,
goto skip;
if (fdb_fill_info(skb, br, f,
- NETLINK_CB(cb->skb).pid,
+ NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
RTM_NEWNEIGH,
NLM_F_MULTI) < 0)
@@ -608,8 +608,9 @@ 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 ndmsg *ndm, struct net_device *dev,
- unsigned char *addr, u16 nlh_flags)
+int br_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
+ struct net_device *dev,
+ const unsigned char *addr, u16 nlh_flags)
{
struct net_bridge_port *p;
int err = 0;
@@ -639,7 +640,7 @@ int br_fdb_add(struct ndmsg *ndm, struct net_device *dev,
return err;
}
-static int fdb_delete_by_addr(struct net_bridge_port *p, u8 *addr)
+static int fdb_delete_by_addr(struct net_bridge_port *p, const u8 *addr)
{
struct net_bridge *br = p->br;
struct hlist_head *head = &br->hash[br_mac_hash(addr)];
@@ -655,7 +656,7 @@ static int fdb_delete_by_addr(struct net_bridge_port *p, u8 *addr)
/* Remove neighbor entry with RTM_DELNEIGH */
int br_fdb_delete(struct ndmsg *ndm, struct net_device *dev,
- unsigned char *addr)
+ const unsigned char *addr)
{
struct net_bridge_port *p;
int err;
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index e9466d41270..02015a505d2 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -65,7 +65,7 @@ static void __br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)
{
skb->dev = to->dev;
- if (unlikely(netpoll_tx_running(to->dev))) {
+ if (unlikely(netpoll_tx_running(to->br->dev))) {
if (packet_length(skb) > skb->dev->mtu && !skb_is_gso(skb))
kfree_skb(skb);
else {
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index e1144e1617b..1c8fdc3558c 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -361,7 +361,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev)
if (err)
goto err2;
- if (br_netpoll_info(br) && ((err = br_netpoll_enable(p))))
+ if (br_netpoll_info(br) && ((err = br_netpoll_enable(p, GFP_KERNEL))))
goto err3;
err = netdev_set_master(dev, br->dev);
@@ -427,6 +427,10 @@ int br_del_if(struct net_bridge *br, struct net_device *dev)
if (!p || p->br != br)
return -EINVAL;
+ /* Since more than one interface can be attached to a bridge,
+ * there still maybe an alternate path for netconsole to use;
+ * therefore there is no reason for a NETDEV_RELEASE event.
+ */
del_nbp(p);
spin_lock_bh(&br->lock);
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index fe41260fbf3..093f527276a 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -127,7 +127,7 @@ static int br_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
goto skip;
if (br_fill_ifinfo(skb, port,
- NETLINK_CB(cb->skb).pid,
+ NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, RTM_NEWLINK,
NLM_F_MULTI) < 0)
break;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index a768b2408ed..9b278c4ebee 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -316,7 +316,7 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
netpoll_send_skb(np, skb);
}
-extern int br_netpoll_enable(struct net_bridge_port *p);
+extern int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp);
extern void br_netpoll_disable(struct net_bridge_port *p);
#else
static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br)
@@ -329,7 +329,7 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
{
}
-static inline int br_netpoll_enable(struct net_bridge_port *p)
+static inline int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp)
{
return 0;
}
@@ -363,10 +363,10 @@ extern void br_fdb_update(struct net_bridge *br,
extern int br_fdb_delete(struct ndmsg *ndm,
struct net_device *dev,
- unsigned char *addr);
-extern int br_fdb_add(struct ndmsg *nlh,
+ const unsigned char *addr);
+extern int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[],
struct net_device *dev,
- unsigned char *addr,
+ const unsigned char *addr,
u16 nlh_flags);
extern int br_fdb_dump(struct sk_buff *skb,
struct netlink_callback *cb,
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index a6747e67342..c3530a81a33 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -170,5 +170,5 @@ void br_stp_port_timer_init(struct net_bridge_port *p)
unsigned long br_timer_value(const struct timer_list *timer)
{
return timer_pending(timer)
- ? jiffies_to_clock_t(timer->expires - jiffies) : 0;
+ ? jiffies_delta_to_clock_t(timer->expires - jiffies) : 0;
}
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 6229b62749e..13b36bdc76a 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -27,7 +27,7 @@ struct brport_attribute {
};
#define BRPORT_ATTR(_name,_mode,_show,_store) \
-struct brport_attribute brport_attr_##_name = { \
+const struct brport_attribute brport_attr_##_name = { \
.attr = {.name = __stringify(_name), \
.mode = _mode }, \
.show = _show, \
@@ -164,7 +164,7 @@ static BRPORT_ATTR(multicast_router, S_IRUGO | S_IWUSR, show_multicast_router,
store_multicast_router);
#endif
-static struct brport_attribute *brport_attrs[] = {
+static const struct brport_attribute *brport_attrs[] = {
&brport_attr_path_cost,
&brport_attr_priority,
&brport_attr_port_id,
@@ -241,7 +241,7 @@ const struct sysfs_ops brport_sysfs_ops = {
int br_sysfs_addif(struct net_bridge_port *p)
{
struct net_bridge *br = p->br;
- struct brport_attribute **a;
+ const struct brport_attribute **a;
int err;
err = sysfs_create_link(&p->kobj, &br->dev->dev.kobj,
diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c
index f88ee537fb2..92de5e5f9db 100644
--- a/net/bridge/netfilter/ebt_log.c
+++ b/net/bridge/netfilter/ebt_log.c
@@ -80,7 +80,7 @@ ebt_log_packet(u_int8_t pf, unsigned int hooknum,
unsigned int bitmask;
spin_lock_bh(&ebt_log_lock);
- printk("<%c>%s IN=%s OUT=%s MAC source = %pM MAC dest = %pM proto = 0x%04x",
+ printk(KERN_SOH "%c%s IN=%s OUT=%s MAC source = %pM MAC dest = %pM proto = 0x%04x",
'0' + loginfo->u.log.level, prefix,
in ? in->name : "", out ? out->name : "",
eth_hdr(skb)->h_source, eth_hdr(skb)->h_dest,
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 19063473c71..3476ec46974 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -298,8 +298,7 @@ static int __init ebt_ulog_init(void)
spin_lock_init(&ulog_buffers[i].lock);
}
- ebtulognl = netlink_kernel_create(&init_net, NETLINK_NFLOG,
- THIS_MODULE, &cfg);
+ ebtulognl = netlink_kernel_create(&init_net, NETLINK_NFLOG, &cfg);
if (!ebtulognl)
ret = -ENOMEM;
else if ((ret = xt_register_target(&ebt_ulog_tg_reg)) != 0)
diff --git a/net/bridge/netfilter/ebtable_filter.c b/net/bridge/netfilter/ebtable_filter.c
index 42e6bd09457..3c2e9dced9e 100644
--- a/net/bridge/netfilter/ebtable_filter.c
+++ b/net/bridge/netfilter/ebtable_filter.c
@@ -100,9 +100,7 @@ static struct nf_hook_ops ebt_ops_filter[] __read_mostly = {
static int __net_init frame_filter_net_init(struct net *net)
{
net->xt.frame_filter = ebt_register_table(net, &frame_filter);
- if (IS_ERR(net->xt.frame_filter))
- return PTR_ERR(net->xt.frame_filter);
- return 0;
+ return PTR_RET(net->xt.frame_filter);
}
static void __net_exit frame_filter_net_exit(struct net *net)
diff --git a/net/bridge/netfilter/ebtable_nat.c b/net/bridge/netfilter/ebtable_nat.c
index 6dc2f878ae0..10871bc7790 100644
--- a/net/bridge/netfilter/ebtable_nat.c
+++ b/net/bridge/netfilter/ebtable_nat.c
@@ -100,9 +100,7 @@ static struct nf_hook_ops ebt_ops_nat[] __read_mostly = {
static int __net_init frame_nat_net_init(struct net *net)
{
net->xt.frame_nat = ebt_register_table(net, &frame_nat);
- if (IS_ERR(net->xt.frame_nat))
- return PTR_ERR(net->xt.frame_nat);
- return 0;
+ return PTR_RET(net->xt.frame_nat);
}
static void __net_exit frame_nat_net_exit(struct net *net)