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Diffstat (limited to 'net/bridge/br_device.c')
-rw-r--r--net/bridge/br_device.c95
1 files changed, 54 insertions, 41 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index ca04163635d..568cccd39a3 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -32,7 +32,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
const unsigned char *dest = skb->data;
struct net_bridge_fdb_entry *dst;
struct net_bridge_mdb_entry *mdst;
- struct br_cpu_netstats *brstats = this_cpu_ptr(br->stats);
+ struct pcpu_sw_netstats *brstats = this_cpu_ptr(br->stats);
u16 vid = 0;
rcu_read_lock();
@@ -49,14 +49,14 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
brstats->tx_bytes += skb->len;
u64_stats_update_end(&brstats->syncp);
- if (!br_allowed_ingress(br, br_get_vlan_info(br), skb, &vid))
- goto out;
-
BR_INPUT_SKB_CB(skb)->brdev = dev;
skb_reset_mac_header(skb);
skb_pull(skb, ETH_HLEN);
+ if (!br_allowed_ingress(br, br_get_vlan_info(br), skb, &vid))
+ goto out;
+
if (is_broadcast_ether_addr(dest))
br_flood_deliver(br, skb, false);
else if (is_multicast_ether_addr(dest)) {
@@ -64,7 +64,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
br_flood_deliver(br, skb, false);
goto out;
}
- if (br_multicast_rcv(br, NULL, skb)) {
+ if (br_multicast_rcv(br, NULL, skb, vid)) {
kfree_skb(skb);
goto out;
}
@@ -89,7 +89,7 @@ static int br_dev_init(struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
- br->stats = alloc_percpu(struct br_cpu_netstats);
+ br->stats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!br->stats)
return -ENOMEM;
@@ -112,6 +112,12 @@ static void br_dev_set_multicast_list(struct net_device *dev)
{
}
+static void br_dev_change_rx_flags(struct net_device *dev, int change)
+{
+ if (change & IFF_PROMISC)
+ br_manage_promisc(netdev_priv(dev));
+}
+
static int br_dev_stop(struct net_device *dev)
{
struct net_bridge *br = netdev_priv(dev);
@@ -128,17 +134,17 @@ static struct rtnl_link_stats64 *br_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *stats)
{
struct net_bridge *br = netdev_priv(dev);
- struct br_cpu_netstats tmp, sum = { 0 };
+ struct pcpu_sw_netstats tmp, sum = { 0 };
unsigned int cpu;
for_each_possible_cpu(cpu) {
unsigned int start;
- const struct br_cpu_netstats *bstats
+ const struct pcpu_sw_netstats *bstats
= per_cpu_ptr(br->stats, cpu);
do {
- start = u64_stats_fetch_begin_bh(&bstats->syncp);
+ start = u64_stats_fetch_begin_irq(&bstats->syncp);
memcpy(&tmp, bstats, sizeof(tmp));
- } while (u64_stats_fetch_retry_bh(&bstats->syncp, start));
+ } while (u64_stats_fetch_retry_irq(&bstats->syncp, start));
sum.tx_bytes += tmp.tx_bytes;
sum.tx_packets += tmp.tx_packets;
sum.rx_bytes += tmp.rx_bytes;
@@ -180,8 +186,7 @@ static int br_set_mac_address(struct net_device *dev, void *p)
spin_lock_bh(&br->lock);
if (!ether_addr_equal(dev->dev_addr, addr->sa_data)) {
- memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
- br_fdb_change_mac_address(br, addr->sa_data);
+ /* Mac address will be changed in br_stp_change_bridge_id(). */
br_stp_change_bridge_id(br, addr->sa_data);
}
spin_unlock_bh(&br->lock);
@@ -219,8 +224,34 @@ static void br_netpoll_cleanup(struct net_device *dev)
br_netpoll_disable(p);
}
-static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni,
- gfp_t gfp)
+static int __br_netpoll_enable(struct net_bridge_port *p)
+{
+ struct netpoll *np;
+ int err;
+
+ np = kzalloc(sizeof(*p->np), GFP_KERNEL);
+ if (!np)
+ return -ENOMEM;
+
+ err = __netpoll_setup(np, p->dev);
+ if (err) {
+ kfree(np);
+ return err;
+ }
+
+ p->np = np;
+ return err;
+}
+
+int br_netpoll_enable(struct net_bridge_port *p)
+{
+ if (!p->br->dev->npinfo)
+ return 0;
+
+ return __br_netpoll_enable(p);
+}
+
+static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni)
{
struct net_bridge *br = netdev_priv(dev);
struct net_bridge_port *p;
@@ -229,7 +260,7 @@ static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni,
list_for_each_entry(p, &br->port_list, list) {
if (!p->dev)
continue;
- err = br_netpoll_enable(p, gfp);
+ err = __br_netpoll_enable(p);
if (err)
goto fail;
}
@@ -242,28 +273,6 @@ fail:
goto out;
}
-int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp)
-{
- struct netpoll *np;
- int err;
-
- if (!p->br->dev->npinfo)
- return 0;
-
- np = kzalloc(sizeof(*p->np), gfp);
- if (!np)
- return -ENOMEM;
-
- err = __netpoll_setup(np, p->dev, gfp);
- if (err) {
- kfree(np);
- return err;
- }
-
- p->np = np;
- return err;
-}
-
void br_netpoll_disable(struct net_bridge_port *p)
{
struct netpoll *np = p->np;
@@ -306,6 +315,7 @@ static const struct net_device_ops br_netdev_ops = {
.ndo_get_stats64 = br_get_stats64,
.ndo_set_mac_address = br_set_mac_address,
.ndo_set_rx_mode = br_dev_set_multicast_list,
+ .ndo_change_rx_flags = br_dev_change_rx_flags,
.ndo_change_mtu = br_change_mtu,
.ndo_do_ioctl = br_dev_ioctl,
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -345,14 +355,15 @@ void br_dev_setup(struct net_device *dev)
dev->netdev_ops = &br_netdev_ops;
dev->destructor = br_dev_free;
- SET_ETHTOOL_OPS(dev, &br_ethtool_ops);
+ dev->ethtool_ops = &br_ethtool_ops;
SET_NETDEV_DEVTYPE(dev, &br_type);
dev->tx_queue_len = 0;
dev->priv_flags = IFF_EBRIDGE;
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;
+ NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX;
+ dev->hw_features = COMMON_FEATURES | NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_STAG_TX;
dev->vlan_features = COMMON_FEATURES;
br->dev = dev;
@@ -363,10 +374,11 @@ void br_dev_setup(struct net_device *dev)
br->bridge_id.prio[0] = 0x80;
br->bridge_id.prio[1] = 0x00;
- memcpy(br->group_addr, eth_reserved_addr_base, ETH_ALEN);
+ ether_addr_copy(br->group_addr, eth_reserved_addr_base);
br->stp_enabled = BR_NO_STP;
br->group_fwd_mask = BR_GROUPFWD_DEFAULT;
+ br->group_fwd_mask_required = BR_GROUPFWD_DEFAULT;
br->designated_root = br->bridge_id;
br->bridge_max_age = br->max_age = 20 * HZ;
@@ -377,4 +389,5 @@ void br_dev_setup(struct net_device *dev)
br_netfilter_rtable_init(br);
br_stp_timer_init(br);
br_multicast_init(br);
+ br_vlan_init(br);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 23:11:35 +0000