diff options
Diffstat (limited to 'net/rxrpc/ar-internal.h')
| -rw-r--r-- | net/rxrpc/ar-internal.h | 65 |
1 files changed, 53 insertions, 12 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 7486926e60a8..067dbb3121d0 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -11,6 +11,8 @@ #include <linux/atomic.h> #include <linux/seqlock.h> +#include <net/net_namespace.h> +#include <net/netns/generic.h> #include <net/sock.h> #include <net/af_rxrpc.h> #include <rxrpc/packet.h> @@ -65,6 +67,37 @@ enum { }; /* + * Per-network namespace data. + */ +struct rxrpc_net { + struct proc_dir_entry *proc_net; /* Subdir in /proc/net */ + u32 epoch; /* Local epoch for detecting local-end reset */ + struct list_head calls; /* List of calls active in this namespace */ + rwlock_t call_lock; /* Lock for ->calls */ + + struct list_head conn_proc_list; /* List of conns in this namespace for proc */ + struct list_head service_conns; /* Service conns in this namespace */ + rwlock_t conn_lock; /* Lock for ->conn_proc_list, ->service_conns */ + struct delayed_work service_conn_reaper; + + unsigned int nr_client_conns; + unsigned int nr_active_client_conns; + bool kill_all_client_conns; + spinlock_t client_conn_cache_lock; /* Lock for ->*_client_conns */ + spinlock_t client_conn_discard_lock; /* Prevent multiple discarders */ + struct list_head waiting_client_conns; + struct list_head active_client_conns; + struct list_head idle_client_conns; + struct delayed_work client_conn_reaper; + + struct list_head local_endpoints; + struct mutex local_mutex; /* Lock for ->local_endpoints */ + + spinlock_t peer_hash_lock; /* Lock for ->peer_hash */ + DECLARE_HASHTABLE (peer_hash, 10); +}; + +/* * Service backlog preallocation. * * This contains circular buffers of preallocated peers, connections and calls @@ -211,6 +244,7 @@ struct rxrpc_security { struct rxrpc_local { struct rcu_head rcu; atomic_t usage; + struct rxrpc_net *rxnet; /* The network ns in which this resides */ struct list_head link; struct socket *socket; /* my UDP socket */ struct work_struct processor; @@ -601,7 +635,6 @@ struct rxrpc_ack_summary { * af_rxrpc.c */ extern atomic_t rxrpc_n_tx_skbs, rxrpc_n_rx_skbs; -extern u32 rxrpc_epoch; extern atomic_t rxrpc_debug_id; extern struct workqueue_struct *rxrpc_workqueue; @@ -634,8 +667,6 @@ extern const char *const rxrpc_call_states[]; extern const char *const rxrpc_call_completions[]; extern unsigned int rxrpc_max_call_lifetime; extern struct kmem_cache *rxrpc_call_jar; -extern struct list_head rxrpc_calls; -extern rwlock_t rxrpc_call_lock; struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *, unsigned long); struct rxrpc_call *rxrpc_alloc_call(gfp_t); @@ -653,7 +684,7 @@ void rxrpc_see_call(struct rxrpc_call *); void rxrpc_get_call(struct rxrpc_call *, enum rxrpc_call_trace); void rxrpc_put_call(struct rxrpc_call *, enum rxrpc_call_trace); void rxrpc_cleanup_call(struct rxrpc_call *); -void __exit rxrpc_destroy_all_calls(void); +void rxrpc_destroy_all_calls(struct rxrpc_net *); static inline bool rxrpc_is_service_call(const struct rxrpc_call *call) { @@ -773,7 +804,8 @@ int rxrpc_connect_call(struct rxrpc_call *, struct rxrpc_conn_parameters *, void rxrpc_expose_client_call(struct rxrpc_call *); void rxrpc_disconnect_client_call(struct rxrpc_call *); void rxrpc_put_client_conn(struct rxrpc_connection *); -void __exit rxrpc_destroy_all_client_connections(void); +void rxrpc_discard_expired_client_conns(struct work_struct *); +void rxrpc_destroy_all_client_connections(struct rxrpc_net *); /* * conn_event.c @@ -784,9 +816,6 @@ void rxrpc_process_connection(struct work_struct *); * conn_object.c */ extern unsigned int rxrpc_connection_expiry; -extern struct list_head rxrpc_connections; -extern struct list_head rxrpc_connection_proc_list; -extern rwlock_t rxrpc_connection_lock; int rxrpc_extract_addr_from_skb(struct sockaddr_rxrpc *, struct sk_buff *); struct rxrpc_connection *rxrpc_alloc_connection(gfp_t); @@ -800,7 +829,8 @@ void rxrpc_see_connection(struct rxrpc_connection *); void rxrpc_get_connection(struct rxrpc_connection *); struct rxrpc_connection *rxrpc_get_connection_maybe(struct rxrpc_connection *); void rxrpc_put_service_conn(struct rxrpc_connection *); -void __exit rxrpc_destroy_all_connections(void); +void rxrpc_service_connection_reaper(struct work_struct *); +void rxrpc_destroy_all_connections(struct rxrpc_net *); static inline bool rxrpc_conn_is_client(const struct rxrpc_connection *conn) { @@ -828,7 +858,7 @@ static inline void rxrpc_put_connection(struct rxrpc_connection *conn) */ struct rxrpc_connection *rxrpc_find_service_conn_rcu(struct rxrpc_peer *, struct sk_buff *); -struct rxrpc_connection *rxrpc_prealloc_service_connection(gfp_t); +struct rxrpc_connection *rxrpc_prealloc_service_connection(struct rxrpc_net *, gfp_t); void rxrpc_new_incoming_connection(struct rxrpc_connection *, struct sk_buff *); void rxrpc_unpublish_service_conn(struct rxrpc_connection *); @@ -861,9 +891,9 @@ extern void rxrpc_process_local_events(struct rxrpc_local *); /* * local_object.c */ -struct rxrpc_local *rxrpc_lookup_local(const struct sockaddr_rxrpc *); +struct rxrpc_local *rxrpc_lookup_local(struct net *, const struct sockaddr_rxrpc *); void __rxrpc_put_local(struct rxrpc_local *); -void __exit rxrpc_destroy_all_locals(void); +void rxrpc_destroy_all_locals(struct rxrpc_net *); static inline void rxrpc_get_local(struct rxrpc_local *local) { @@ -902,6 +932,17 @@ extern unsigned int rxrpc_resend_timeout; extern const s8 rxrpc_ack_priority[]; /* + * net_ns.c + */ +extern unsigned int rxrpc_net_id; +extern struct pernet_operations rxrpc_net_ops; + +static inline struct rxrpc_net *rxrpc_net(struct net *net) +{ + return net_generic(net, rxrpc_net_id); +} + +/* * output.c */ int rxrpc_send_ack_packet(struct rxrpc_call *, bool); |