1 files changed, 80 insertions, 50 deletions

diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h
index 2667f9b0e1f9..3f398797c2bc 100644
--- a/drivers/net/netdevsim/netdevsim.h
+++ b/drivers/net/netdevsim/netdevsim.h
@@ -18,6 +18,7 @@
 #include <linux/list.h>
 #include <linux/netdevice.h>
 #include <linux/u64_stats_sync.h>
+#include <net/devlink.h>
 #include <net/xdp.h>
 
 #define DRV_NAME	"netdevsim"
@@ -26,36 +27,6 @@
 
 #define NSIM_EA(extack, msg)	NL_SET_ERR_MSG_MOD((extack), msg)
 
-struct bpf_prog;
-struct bpf_offload_dev;
-struct dentry;
-struct nsim_vf_config;
-
-struct netdevsim_shared_dev {
-	unsigned int refcnt;
-	u32 switch_id;
-
-	struct dentry *ddir;
-
-	struct bpf_offload_dev *bpf_dev;
-
-	bool bpf_bind_accept;
-	u32 bpf_bind_verifier_delay;
-
-	struct dentry *ddir_bpf_bound_progs;
-	u32 prog_id_gen;
-
-	struct list_head bpf_bound_progs;
-	struct list_head bpf_bound_maps;
-};
-
-struct netdevsim;
-
-struct netdevsim_shared_dev *nsim_sdev_get(struct netdevsim *joinns);
-void nsim_sdev_put(struct netdevsim_shared_dev *sdev);
-int nsim_sdev_init(void);
-void nsim_sdev_exit(void);
-
 #define NSIM_IPSEC_MAX_SA_COUNT		33
 #define NSIM_IPSEC_VALID		BIT(31)
 
@@ -79,18 +50,14 @@ struct nsim_ipsec {
 
 struct netdevsim {
 	struct net_device *netdev;
+	struct nsim_dev *nsim_dev;
+	struct nsim_dev_port *nsim_dev_port;
 
 	u64 tx_packets;
 	u64 tx_bytes;
 	struct u64_stats_sync syncp;
 
-	struct device dev;
-	struct netdevsim_shared_dev *sdev;
-
-	struct dentry *ddir;
-
-	unsigned int num_vfs;
-	struct nsim_vf_config *vfconfigs;
+	struct nsim_bus_dev *nsim_bus_dev;
 
 	struct bpf_prog	*bpf_offloaded;
 	u32 bpf_offloaded_id;
@@ -104,11 +71,16 @@ struct netdevsim {
 	bool bpf_xdpoffload_accept;
 
 	bool bpf_map_accept;
-	struct devlink *devlink;
 	struct nsim_ipsec ipsec;
 };
 
+struct netdevsim *
+nsim_create(struct nsim_dev *nsim_dev, struct nsim_dev_port *nsim_dev_port);
+void nsim_destroy(struct netdevsim *ns);
+
 #ifdef CONFIG_BPF_SYSCALL
+int nsim_bpf_dev_init(struct nsim_dev *nsim_dev);
+void nsim_bpf_dev_exit(struct nsim_dev *nsim_dev);
 int nsim_bpf_init(struct netdevsim *ns);
 void nsim_bpf_uninit(struct netdevsim *ns);
 int nsim_bpf(struct net_device *dev, struct netdev_bpf *bpf);
@@ -116,6 +88,15 @@ int nsim_bpf_disable_tc(struct netdevsim *ns);
 int nsim_bpf_setup_tc_block_cb(enum tc_setup_type type,
 			       void *type_data, void *cb_priv);
 #else
+
+static inline int nsim_bpf_dev_init(struct nsim_dev *nsim_dev)
+{
+	return 0;
+}
+
+static inline void nsim_bpf_dev_exit(struct nsim_dev *nsim_dev)
+{
+}
 static inline int nsim_bpf_init(struct netdevsim *ns)
 {
 	return 0;
@@ -153,16 +134,46 @@ enum nsim_resource_id {
 	NSIM_RESOURCE_IPV6_FIB_RULES,
 };
 
-int nsim_devlink_setup(struct netdevsim *ns);
-void nsim_devlink_teardown(struct netdevsim *ns);
+struct nsim_dev_port {
+	struct list_head list;
+	struct devlink_port devlink_port;
+	unsigned int port_index;
+	struct dentry *ddir;
+	struct netdevsim *ns;
+};
 
-int nsim_devlink_init(void);
-void nsim_devlink_exit(void);
+struct nsim_dev {
+	struct nsim_bus_dev *nsim_bus_dev;
+	struct nsim_fib_data *fib_data;
+	struct dentry *ddir;
+	struct dentry *ports_ddir;
+	struct bpf_offload_dev *bpf_dev;
+	bool bpf_bind_accept;
+	u32 bpf_bind_verifier_delay;
+	struct dentry *ddir_bpf_bound_progs;
+	u32 prog_id_gen;
+	struct list_head bpf_bound_progs;
+	struct list_head bpf_bound_maps;
+	struct netdev_phys_item_id switch_id;
+	struct list_head port_list;
+	struct mutex port_list_lock; /* protects port list */
+};
 
-int nsim_fib_init(void);
-void nsim_fib_exit(void);
-u64 nsim_fib_get_val(struct net *net, enum nsim_resource_id res_id, bool max);
-int nsim_fib_set_max(struct net *net, enum nsim_resource_id res_id, u64 val,
+int nsim_dev_init(void);
+void nsim_dev_exit(void);
+int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev);
+void nsim_dev_remove(struct nsim_bus_dev *nsim_bus_dev);
+int nsim_dev_port_add(struct nsim_bus_dev *nsim_bus_dev,
+		      unsigned int port_index);
+int nsim_dev_port_del(struct nsim_bus_dev *nsim_bus_dev,
+		      unsigned int port_index);
+
+struct nsim_fib_data *nsim_fib_create(void);
+void nsim_fib_destroy(struct nsim_fib_data *fib_data);
+u64 nsim_fib_get_val(struct nsim_fib_data *fib_data,
+		     enum nsim_resource_id res_id, bool max);
+int nsim_fib_set_max(struct nsim_fib_data *fib_data,
+		     enum nsim_resource_id res_id, u64 val,
 		     struct netlink_ext_ack *extack);
 
 #if IS_ENABLED(CONFIG_XFRM_OFFLOAD)
@@ -184,7 +195,26 @@ static inline bool nsim_ipsec_tx(struct netdevsim *ns, struct sk_buff *skb)
 }
 #endif
 
-static inline struct netdevsim *to_nsim(struct device *ptr)
-{
-	return container_of(ptr, struct netdevsim, dev);
-}
+struct nsim_vf_config {
+	int link_state;
+	u16 min_tx_rate;
+	u16 max_tx_rate;
+	u16 vlan;
+	__be16 vlan_proto;
+	u16 qos;
+	u8 vf_mac[ETH_ALEN];
+	bool spoofchk_enabled;
+	bool trusted;
+	bool rss_query_enabled;
+};
+
+struct nsim_bus_dev {
+	struct device dev;
+	struct list_head list;
+	unsigned int port_count;
+	unsigned int num_vfs;
+	struct nsim_vf_config *vfconfigs;
+};
+
+int nsim_bus_init(void);
+void nsim_bus_exit(void);