1 files changed, 59 insertions, 68 deletions

diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index ddd33fd5904d..0f7281e3e448 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -1,56 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _LINUX_IF_MACVLAN_H
 #define _LINUX_IF_MACVLAN_H
 
 #include <linux/if_link.h>
+#include <linux/if_vlan.h>
 #include <linux/list.h>
 #include <linux/netdevice.h>
 #include <linux/netlink.h>
 #include <net/netlink.h>
 #include <linux/u64_stats_sync.h>
 
-#if IS_ENABLED(CONFIG_MACVTAP)
-struct socket *macvtap_get_socket(struct file *);
-#else
-#include <linux/err.h>
-#include <linux/errno.h>
-struct file;
-struct socket;
-static inline struct socket *macvtap_get_socket(struct file *f)
-{
-	return ERR_PTR(-EINVAL);
-}
-#endif /* CONFIG_MACVTAP */
-
 struct macvlan_port;
-struct macvtap_queue;
-
-/**
- *	struct macvlan_pcpu_stats - MACVLAN percpu stats
- *	@rx_packets: number of received packets
- *	@rx_bytes: number of received bytes
- *	@rx_multicast: number of received multicast packets
- *	@tx_packets: number of transmitted packets
- *	@tx_bytes: number of transmitted bytes
- *	@syncp: synchronization point for 64bit counters
- *	@rx_errors: number of rx errors
- *	@tx_dropped: number of tx dropped packets
- */
-struct macvlan_pcpu_stats {
-	u64			rx_packets;
-	u64			rx_bytes;
-	u64			rx_multicast;
-	u64			tx_packets;
-	u64			tx_bytes;
-	struct u64_stats_sync	syncp;
-	u32			rx_errors;
-	u32			tx_dropped;
-};
-
-/*
- * Maximum times a macvtap device can be opened. This can be used to
- * configure the number of receive queue, e.g. for multiqueue virtio.
- */
-#define MAX_MACVTAP_QUEUES	16
 
 #define MACVLAN_MC_FILTER_BITS	8
 #define MACVLAN_MC_FILTER_SZ	(1 << MACVLAN_MC_FILTER_BITS)
@@ -61,23 +21,20 @@ struct macvlan_dev {
 	struct hlist_node	hlist;
 	struct macvlan_port	*port;
 	struct net_device	*lowerdev;
-	struct macvlan_pcpu_stats __percpu *pcpu_stats;
+	netdevice_tracker	dev_tracker;
+	void			*accel_priv;
+	struct vlan_pcpu_stats __percpu *pcpu_stats;
 
 	DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ);
 
 	netdev_features_t	set_features;
 	enum macvlan_mode	mode;
 	u16			flags;
-	int (*receive)(struct sk_buff *skb);
-	int (*forward)(struct net_device *dev, struct sk_buff *skb);
-	/* This array tracks active taps. */
-	struct macvtap_queue	__rcu *taps[MAX_MACVTAP_QUEUES];
-	/* This list tracks all taps (both enabled and disabled) */
-	struct list_head	queue_list;
-	int			numvtaps;
-	int			numqueues;
-	netdev_features_t	tap_features;
-	int			minor;
+	unsigned int		macaddr_count;
+	u32			bc_queue_len_req;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	struct netpoll		*netpoll;
+#endif
 };
 
 static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
@@ -85,15 +42,16 @@ static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
 				    bool multicast)
 {
 	if (likely(success)) {
-		struct macvlan_pcpu_stats *pcpu_stats;
+		struct vlan_pcpu_stats *pcpu_stats;
 
-		pcpu_stats = this_cpu_ptr(vlan->pcpu_stats);
+		pcpu_stats = get_cpu_ptr(vlan->pcpu_stats);
 		u64_stats_update_begin(&pcpu_stats->syncp);
-		pcpu_stats->rx_packets++;
-		pcpu_stats->rx_bytes += len;
+		u64_stats_inc(&pcpu_stats->rx_packets);
+		u64_stats_add(&pcpu_stats->rx_bytes, len);
 		if (multicast)
-			pcpu_stats->rx_multicast++;
+			u64_stats_inc(&pcpu_stats->rx_multicast);
 		u64_stats_update_end(&pcpu_stats->syncp);
+		put_cpu_ptr(vlan->pcpu_stats);
 	} else {
 		this_cpu_inc(vlan->pcpu_stats->rx_errors);
 	}
@@ -101,21 +59,54 @@ static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
 
 extern void macvlan_common_setup(struct net_device *dev);
 
-extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
-				  struct nlattr *tb[], struct nlattr *data[],
-				  int (*receive)(struct sk_buff *skb),
-				  int (*forward)(struct net_device *dev,
-						 struct sk_buff *skb));
+struct rtnl_newlink_params;
 
-extern void macvlan_count_rx(const struct macvlan_dev *vlan,
-			     unsigned int len, bool success,
-			     bool multicast);
+extern int macvlan_common_newlink(struct net_device *dev,
+				  struct rtnl_newlink_params *params,
+				  struct netlink_ext_ack *extack);
 
 extern void macvlan_dellink(struct net_device *dev, struct list_head *head);
 
 extern int macvlan_link_register(struct rtnl_link_ops *ops);
 
-extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
-				      struct net_device *dev);
+#if IS_ENABLED(CONFIG_MACVLAN)
+static inline struct net_device *
+macvlan_dev_real_dev(const struct net_device *dev)
+{
+	struct macvlan_dev *macvlan = netdev_priv(dev);
+
+	return macvlan->lowerdev;
+}
+#else
+static inline struct net_device *
+macvlan_dev_real_dev(const struct net_device *dev)
+{
+	BUG();
+	return NULL;
+}
+#endif
 
+static inline void *macvlan_accel_priv(struct net_device *dev)
+{
+	struct macvlan_dev *macvlan = netdev_priv(dev);
+
+	return macvlan->accel_priv;
+}
+
+static inline bool macvlan_supports_dest_filter(struct net_device *dev)
+{
+	struct macvlan_dev *macvlan = netdev_priv(dev);
+
+	return macvlan->mode == MACVLAN_MODE_PRIVATE ||
+	       macvlan->mode == MACVLAN_MODE_VEPA ||
+	       macvlan->mode == MACVLAN_MODE_BRIDGE;
+}
+
+static inline int macvlan_release_l2fw_offload(struct net_device *dev)
+{
+	struct macvlan_dev *macvlan = netdev_priv(dev);
+
+	macvlan->accel_priv = NULL;
+	return dev_uc_add(macvlan->lowerdev, dev->dev_addr);
+}
 #endif /* _LINUX_IF_MACVLAN_H */