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path: root/drivers/net/ipvlan/ipvlan_main.c
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Diffstat (limited to 'drivers/net/ipvlan/ipvlan_main.c')
-rw-r--r--drivers/net/ipvlan/ipvlan_main.c47
1 files changed, 31 insertions, 16 deletions
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index b15dd9a3ad54..660f3db11766 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -3,6 +3,7 @@
*/
#include <linux/ethtool.h>
+#include <net/netdev_lock.h>
#include "ipvlan.h"
@@ -114,7 +115,7 @@ static void ipvlan_port_destroy(struct net_device *dev)
NETIF_F_GSO_ROBUST | NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ENCAP_ALL)
#define IPVLAN_ALWAYS_ON \
- (IPVLAN_ALWAYS_ON_OFLOADS | NETIF_F_LLTX | NETIF_F_VLAN_CHALLENGED)
+ (IPVLAN_ALWAYS_ON_OFLOADS | NETIF_F_VLAN_CHALLENGED)
#define IPVLAN_FEATURES \
(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \
@@ -141,6 +142,7 @@ static int ipvlan_init(struct net_device *dev)
dev->vlan_features = phy_dev->vlan_features & IPVLAN_FEATURES;
dev->vlan_features |= IPVLAN_ALWAYS_ON_OFLOADS;
dev->hw_enc_features |= dev->features;
+ dev->lltx = true;
netif_inherit_tso_max(dev, phy_dev);
dev->hard_header_len = phy_dev->hard_header_len;
@@ -324,6 +326,7 @@ static void ipvlan_get_stats64(struct net_device *dev,
s->rx_dropped = rx_errs;
s->tx_dropped = tx_drps;
}
+ s->tx_errors = DEV_STATS_READ(dev, tx_errors);
}
static int ipvlan_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
@@ -348,7 +351,7 @@ static int ipvlan_get_iflink(const struct net_device *dev)
{
struct ipvl_dev *ipvlan = netdev_priv(dev);
- return ipvlan->phy_dev->ifindex;
+ return READ_ONCE(ipvlan->phy_dev->ifindex);
}
static const struct net_device_ops ipvlan_netdev_ops = {
@@ -386,6 +389,7 @@ static const struct header_ops ipvlan_header_ops = {
.parse = eth_header_parse,
.cache = eth_header_cache,
.cache_update = eth_header_cache_update,
+ .parse_protocol = eth_header_parse_protocol,
};
static void ipvlan_adjust_mtu(struct ipvl_dev *ipvlan, struct net_device *dev)
@@ -529,11 +533,13 @@ err:
return ret;
}
-int ipvlan_link_new(struct net *src_net, struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[],
+int ipvlan_link_new(struct net_device *dev, struct rtnl_newlink_params *params,
struct netlink_ext_ack *extack)
{
+ struct net *link_net = rtnl_newlink_link_net(params);
struct ipvl_dev *ipvlan = netdev_priv(dev);
+ struct nlattr **data = params->data;
+ struct nlattr **tb = params->tb;
struct ipvl_port *port;
struct net_device *phy_dev;
int err;
@@ -542,7 +548,7 @@ int ipvlan_link_new(struct net *src_net, struct net_device *dev,
if (!tb[IFLA_LINK])
return -EINVAL;
- phy_dev = __dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
+ phy_dev = __dev_get_by_index(link_net, nla_get_u32(tb[IFLA_LINK]));
if (!phy_dev)
return -ENODEV;
@@ -599,15 +605,15 @@ int ipvlan_link_new(struct net *src_net, struct net_device *dev,
port->dev_id_start = 0x1;
/* Since L2 address is shared among all IPvlan slaves including
- * master, use unique 16 bit dev-ids to diffentiate among them.
+ * master, use unique 16 bit dev-ids to differentiate among them.
* Assign IDs between 0x1 and 0xFFFE (used by the master) to each
* slave link [see addrconf_ifid_eui48()].
*/
- err = ida_simple_get(&port->ida, port->dev_id_start, 0xFFFE,
- GFP_KERNEL);
+ err = ida_alloc_range(&port->ida, port->dev_id_start, 0xFFFD,
+ GFP_KERNEL);
if (err < 0)
- err = ida_simple_get(&port->ida, 0x1, port->dev_id_start,
- GFP_KERNEL);
+ err = ida_alloc_range(&port->ida, 0x1, port->dev_id_start - 1,
+ GFP_KERNEL);
if (err < 0)
goto unregister_netdev;
dev->dev_id = err;
@@ -639,7 +645,7 @@ int ipvlan_link_new(struct net *src_net, struct net_device *dev,
unlink_netdev:
netdev_upper_dev_unlink(phy_dev, dev);
remove_ida:
- ida_simple_remove(&port->ida, dev->dev_id);
+ ida_free(&port->ida, dev->dev_id);
unregister_netdev:
unregister_netdevice(dev);
return err;
@@ -659,7 +665,7 @@ void ipvlan_link_delete(struct net_device *dev, struct list_head *head)
}
spin_unlock_bh(&ipvlan->addrs_lock);
- ida_simple_remove(&ipvlan->port->ida, dev->dev_id);
+ ida_free(&ipvlan->port->ida, dev->dev_id);
list_del_rcu(&ipvlan->pnode);
unregister_netdevice_queue(dev, head);
netdev_upper_dev_unlink(ipvlan->phy_dev, dev);
@@ -733,6 +739,7 @@ static int ipvlan_device_event(struct notifier_block *unused,
switch (event) {
case NETDEV_UP:
+ case NETDEV_DOWN:
case NETDEV_CHANGE:
list_for_each_entry(ipvlan, &port->ipvlans, pnode)
netif_stacked_transfer_operstate(ipvlan->phy_dev,
@@ -748,7 +755,8 @@ static int ipvlan_device_event(struct notifier_block *unused,
write_pnet(&port->pnet, newnet);
- ipvlan_migrate_l3s_hook(oldnet, newnet);
+ if (port->mode == IPVLAN_MODE_L3S)
+ ipvlan_migrate_l3s_hook(oldnet, newnet);
break;
}
case NETDEV_UNREGISTER:
@@ -776,9 +784,9 @@ static int ipvlan_device_event(struct notifier_block *unused,
case NETDEV_PRE_CHANGEADDR:
prechaddr_info = ptr;
list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
- err = dev_pre_changeaddr_notify(ipvlan->dev,
- prechaddr_info->dev_addr,
- extack);
+ err = netif_pre_changeaddr_notify(ipvlan->dev,
+ prechaddr_info->dev_addr,
+ extack);
if (err)
return notifier_from_errno(err);
}
@@ -794,6 +802,12 @@ static int ipvlan_device_event(struct notifier_block *unused,
case NETDEV_PRE_TYPE_CHANGE:
/* Forbid underlying device to change its type. */
return NOTIFY_BAD;
+
+ case NETDEV_NOTIFY_PEERS:
+ case NETDEV_BONDING_FAILOVER:
+ case NETDEV_RESEND_IGMP:
+ list_for_each_entry(ipvlan, &port->ipvlans, pnode)
+ call_netdevice_notifiers(event, ipvlan->dev);
}
return NOTIFY_DONE;
}
@@ -1080,3 +1094,4 @@ MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mahesh Bandewar <maheshb@google.com>");
MODULE_DESCRIPTION("Driver for L3 (IPv6/IPv4) based VLANs");
MODULE_ALIAS_RTNL_LINK("ipvlan");
+MODULE_IMPORT_NS("NETDEV_INTERNAL");
generated by cgit (git 2.34.1) at 2025-12-21 18:58:17 +0000