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Diffstat (limited to 'net/rxrpc/ar-internal.h')
-rw-r--r--net/rxrpc/ar-internal.h218
1 files changed, 125 insertions, 93 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 71598f5b11b7..cd6cdbe87125 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -16,7 +16,7 @@
BUG_ON(atomic_read((X)) >> (sizeof(atomic_t) - 2) == \
(POISON_FREE << 8 | POISON_FREE))
#else
-#define CHECK_SLAB_OKAY(X) do {} while(0)
+#define CHECK_SLAB_OKAY(X) do {} while (0)
#endif
#define FCRYPT_BSIZE 8
@@ -70,12 +70,31 @@ struct rxrpc_sock {
#define RXRPC_SECURITY_MAX RXRPC_SECURITY_ENCRYPT
struct sockaddr_rxrpc srx; /* local address */
sa_family_t proto; /* protocol created with */
- __be16 service_id; /* service ID of local/remote service */
};
#define rxrpc_sk(__sk) container_of((__sk), struct rxrpc_sock, sk)
/*
+ * CPU-byteorder normalised Rx packet header.
+ */
+struct rxrpc_host_header {
+ u32 epoch; /* client boot timestamp */
+ u32 cid; /* connection and channel ID */
+ u32 callNumber; /* call ID (0 for connection-level packets) */
+ u32 seq; /* sequence number of pkt in call stream */
+ u32 serial; /* serial number of pkt sent to network */
+ u8 type; /* packet type */
+ u8 flags; /* packet flags */
+ u8 userStatus; /* app-layer defined status */
+ u8 securityIndex; /* security protocol ID */
+ union {
+ u16 _rsvd; /* reserved */
+ u16 cksum; /* kerberos security checksum */
+ };
+ u16 serviceId; /* service ID */
+} __packed;
+
+/*
* RxRPC socket buffer private variables
* - max 48 bytes (struct sk_buff::cb)
*/
@@ -89,7 +108,7 @@ struct rxrpc_skb_priv {
bool need_resend; /* T if needs resending */
};
- struct rxrpc_header hdr; /* RxRPC packet header from this packet */
+ struct rxrpc_host_header hdr; /* RxRPC packet header from this packet */
};
#define rxrpc_skb(__skb) ((struct rxrpc_skb_priv *) &(__skb)->cb)
@@ -230,7 +249,7 @@ struct rxrpc_conn_bundle {
atomic_t usage;
int debug_id; /* debug ID for printks */
unsigned short num_conns; /* number of connections in this bundle */
- __be16 service_id; /* service ID */
+ u16 service_id; /* Service ID for this bundle */
u8 security_ix; /* security type */
};
@@ -260,7 +279,6 @@ struct rxrpc_connection {
rwlock_t lock; /* access lock */
spinlock_t state_lock; /* state-change lock */
atomic_t usage;
- u32 real_conn_id; /* connection ID (host-endian) */
enum { /* current state of connection */
RXRPC_CONN_UNUSED, /* - connection not yet attempted */
RXRPC_CONN_CLIENT, /* - client connection */
@@ -282,17 +300,76 @@ struct rxrpc_connection {
u8 security_size; /* security header size */
u32 security_level; /* security level negotiated */
u32 security_nonce; /* response re-use preventer */
-
- /* the following are all in net order */
- __be32 epoch; /* epoch of this connection */
- __be32 cid; /* connection ID */
- __be16 service_id; /* service ID */
+ u32 epoch; /* epoch of this connection */
+ u32 cid; /* connection ID */
+ u16 service_id; /* service ID for this connection */
u8 security_ix; /* security type */
u8 in_clientflag; /* RXRPC_CLIENT_INITIATED if we are server */
u8 out_clientflag; /* RXRPC_CLIENT_INITIATED if we are client */
};
/*
+ * Flags in call->flags.
+ */
+enum rxrpc_call_flag {
+ RXRPC_CALL_RELEASED, /* call has been released - no more message to userspace */
+ RXRPC_CALL_TERMINAL_MSG, /* call has given the socket its final message */
+ RXRPC_CALL_RCVD_LAST, /* all packets received */
+ RXRPC_CALL_RUN_RTIMER, /* Tx resend timer started */
+ RXRPC_CALL_TX_SOFT_ACK, /* sent some soft ACKs */
+ RXRPC_CALL_PROC_BUSY, /* the processor is busy */
+ RXRPC_CALL_INIT_ACCEPT, /* acceptance was initiated */
+ RXRPC_CALL_HAS_USERID, /* has a user ID attached */
+ RXRPC_CALL_EXPECT_OOS, /* expect out of sequence packets */
+};
+
+/*
+ * Events that can be raised on a call.
+ */
+enum rxrpc_call_event {
+ RXRPC_CALL_EV_RCVD_ACKALL, /* ACKALL or reply received */
+ RXRPC_CALL_EV_RCVD_BUSY, /* busy packet received */
+ RXRPC_CALL_EV_RCVD_ABORT, /* abort packet received */
+ RXRPC_CALL_EV_RCVD_ERROR, /* network error received */
+ RXRPC_CALL_EV_ACK_FINAL, /* need to generate final ACK (and release call) */
+ RXRPC_CALL_EV_ACK, /* need to generate ACK */
+ RXRPC_CALL_EV_REJECT_BUSY, /* need to generate busy message */
+ RXRPC_CALL_EV_ABORT, /* need to generate abort */
+ RXRPC_CALL_EV_CONN_ABORT, /* local connection abort generated */
+ RXRPC_CALL_EV_RESEND_TIMER, /* Tx resend timer expired */
+ RXRPC_CALL_EV_RESEND, /* Tx resend required */
+ RXRPC_CALL_EV_DRAIN_RX_OOS, /* drain the Rx out of sequence queue */
+ RXRPC_CALL_EV_LIFE_TIMER, /* call's lifetimer ran out */
+ RXRPC_CALL_EV_ACCEPTED, /* incoming call accepted by userspace app */
+ RXRPC_CALL_EV_SECURED, /* incoming call's connection is now secure */
+ RXRPC_CALL_EV_POST_ACCEPT, /* need to post an "accept?" message to the app */
+ RXRPC_CALL_EV_RELEASE, /* need to release the call's resources */
+};
+
+/*
+ * The states that a call can be in.
+ */
+enum rxrpc_call_state {
+ RXRPC_CALL_CLIENT_SEND_REQUEST, /* - client sending request phase */
+ RXRPC_CALL_CLIENT_AWAIT_REPLY, /* - client awaiting reply */
+ RXRPC_CALL_CLIENT_RECV_REPLY, /* - client receiving reply phase */
+ RXRPC_CALL_CLIENT_FINAL_ACK, /* - client sending final ACK phase */
+ RXRPC_CALL_SERVER_SECURING, /* - server securing request connection */
+ RXRPC_CALL_SERVER_ACCEPTING, /* - server accepting request */
+ RXRPC_CALL_SERVER_RECV_REQUEST, /* - server receiving request */
+ RXRPC_CALL_SERVER_ACK_REQUEST, /* - server pending ACK of request */
+ RXRPC_CALL_SERVER_SEND_REPLY, /* - server sending reply */
+ RXRPC_CALL_SERVER_AWAIT_ACK, /* - server awaiting final ACK */
+ RXRPC_CALL_COMPLETE, /* - call completed */
+ RXRPC_CALL_SERVER_BUSY, /* - call rejected by busy server */
+ RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */
+ RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */
+ RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */
+ RXRPC_CALL_DEAD, /* - call is dead */
+ NR__RXRPC_CALL_STATES
+};
+
+/*
* RxRPC call definition
* - matched by { connection, call_id }
*/
@@ -317,57 +394,13 @@ struct rxrpc_call {
unsigned long user_call_ID; /* user-defined call ID */
unsigned long creation_jif; /* time of call creation */
unsigned long flags;
-#define RXRPC_CALL_RELEASED 0 /* call has been released - no more message to userspace */
-#define RXRPC_CALL_TERMINAL_MSG 1 /* call has given the socket its final message */
-#define RXRPC_CALL_RCVD_LAST 2 /* all packets received */
-#define RXRPC_CALL_RUN_RTIMER 3 /* Tx resend timer started */
-#define RXRPC_CALL_TX_SOFT_ACK 4 /* sent some soft ACKs */
-#define RXRPC_CALL_PROC_BUSY 5 /* the processor is busy */
-#define RXRPC_CALL_INIT_ACCEPT 6 /* acceptance was initiated */
-#define RXRPC_CALL_HAS_USERID 7 /* has a user ID attached */
-#define RXRPC_CALL_EXPECT_OOS 8 /* expect out of sequence packets */
unsigned long events;
-#define RXRPC_CALL_RCVD_ACKALL 0 /* ACKALL or reply received */
-#define RXRPC_CALL_RCVD_BUSY 1 /* busy packet received */
-#define RXRPC_CALL_RCVD_ABORT 2 /* abort packet received */
-#define RXRPC_CALL_RCVD_ERROR 3 /* network error received */
-#define RXRPC_CALL_ACK_FINAL 4 /* need to generate final ACK (and release call) */
-#define RXRPC_CALL_ACK 5 /* need to generate ACK */
-#define RXRPC_CALL_REJECT_BUSY 6 /* need to generate busy message */
-#define RXRPC_CALL_ABORT 7 /* need to generate abort */
-#define RXRPC_CALL_CONN_ABORT 8 /* local connection abort generated */
-#define RXRPC_CALL_RESEND_TIMER 9 /* Tx resend timer expired */
-#define RXRPC_CALL_RESEND 10 /* Tx resend required */
-#define RXRPC_CALL_DRAIN_RX_OOS 11 /* drain the Rx out of sequence queue */
-#define RXRPC_CALL_LIFE_TIMER 12 /* call's lifetimer ran out */
-#define RXRPC_CALL_ACCEPTED 13 /* incoming call accepted by userspace app */
-#define RXRPC_CALL_SECURED 14 /* incoming call's connection is now secure */
-#define RXRPC_CALL_POST_ACCEPT 15 /* need to post an "accept?" message to the app */
-#define RXRPC_CALL_RELEASE 16 /* need to release the call's resources */
-
spinlock_t lock;
rwlock_t state_lock; /* lock for state transition */
atomic_t usage;
atomic_t sequence; /* Tx data packet sequence counter */
u32 abort_code; /* local/remote abort code */
- enum { /* current state of call */
- RXRPC_CALL_CLIENT_SEND_REQUEST, /* - client sending request phase */
- RXRPC_CALL_CLIENT_AWAIT_REPLY, /* - client awaiting reply */
- RXRPC_CALL_CLIENT_RECV_REPLY, /* - client receiving reply phase */
- RXRPC_CALL_CLIENT_FINAL_ACK, /* - client sending final ACK phase */
- RXRPC_CALL_SERVER_SECURING, /* - server securing request connection */
- RXRPC_CALL_SERVER_ACCEPTING, /* - server accepting request */
- RXRPC_CALL_SERVER_RECV_REQUEST, /* - server receiving request */
- RXRPC_CALL_SERVER_ACK_REQUEST, /* - server pending ACK of request */
- RXRPC_CALL_SERVER_SEND_REPLY, /* - server sending reply */
- RXRPC_CALL_SERVER_AWAIT_ACK, /* - server awaiting final ACK */
- RXRPC_CALL_COMPLETE, /* - call completed */
- RXRPC_CALL_SERVER_BUSY, /* - call rejected by busy server */
- RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */
- RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */
- RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */
- RXRPC_CALL_DEAD, /* - call is dead */
- } state;
+ enum rxrpc_call_state state : 8; /* current state of call */
int debug_id; /* debug ID for printks */
u8 channel; /* connection channel occupied by this call */
@@ -389,9 +422,9 @@ struct rxrpc_call {
rxrpc_seq_t rx_data_eaten; /* last data seq ID consumed by recvmsg */
rxrpc_seq_t rx_first_oos; /* first packet in rx_oos_queue (or 0) */
rxrpc_seq_t ackr_win_top; /* top of ACK window (rx_data_eaten is bottom) */
- rxrpc_seq_net_t ackr_prev_seq; /* previous sequence number received */
+ rxrpc_seq_t ackr_prev_seq; /* previous sequence number received */
u8 ackr_reason; /* reason to ACK */
- __be32 ackr_serial; /* serial of packet being ACK'd */
+ rxrpc_serial_t ackr_serial; /* serial of packet being ACK'd */
atomic_t ackr_not_idle; /* number of packets in Rx queue */
/* received packet records, 1 bit per record */
@@ -403,11 +436,10 @@ struct rxrpc_call {
u8 in_clientflag; /* Copy of conn->in_clientflag for hashing */
struct rxrpc_local *local; /* Local endpoint. Used for hashing. */
sa_family_t proto; /* Frame protocol */
- /* the following should all be in net order */
- __be32 cid; /* connection ID + channel index */
- __be32 call_id; /* call ID on connection */
- __be32 epoch; /* epoch of this connection */
- __be16 service_id; /* service ID */
+ u32 call_id; /* call ID on connection */
+ u32 cid; /* connection ID plus channel index */
+ u32 epoch; /* epoch of this connection */
+ u16 service_id; /* service ID */
union { /* Peer IP address for hashing */
__be32 ipv4_addr;
__u8 ipv6_addr[16]; /* Anticipates eventual IPv6 support */
@@ -423,7 +455,7 @@ static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code)
if (call->state < RXRPC_CALL_COMPLETE) {
call->abort_code = abort_code;
call->state = RXRPC_CALL_LOCALLY_ABORTED;
- set_bit(RXRPC_CALL_ABORT, &call->events);
+ set_bit(RXRPC_CALL_EV_ABORT, &call->events);
}
write_unlock_bh(&call->state_lock);
}
@@ -432,7 +464,7 @@ static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code)
* af_rxrpc.c
*/
extern atomic_t rxrpc_n_skbs;
-extern __be32 rxrpc_epoch;
+extern u32 rxrpc_epoch;
extern atomic_t rxrpc_debug_id;
extern struct workqueue_struct *rxrpc_workqueue;
@@ -446,35 +478,35 @@ int rxrpc_reject_call(struct rxrpc_sock *);
/*
* ar-ack.c
*/
-extern unsigned rxrpc_requested_ack_delay;
-extern unsigned rxrpc_soft_ack_delay;
-extern unsigned rxrpc_idle_ack_delay;
-extern unsigned rxrpc_rx_window_size;
-extern unsigned rxrpc_rx_mtu;
-extern unsigned rxrpc_rx_jumbo_max;
+extern unsigned int rxrpc_requested_ack_delay;
+extern unsigned int rxrpc_soft_ack_delay;
+extern unsigned int rxrpc_idle_ack_delay;
+extern unsigned int rxrpc_rx_window_size;
+extern unsigned int rxrpc_rx_mtu;
+extern unsigned int rxrpc_rx_jumbo_max;
-void __rxrpc_propose_ACK(struct rxrpc_call *, u8, __be32, bool);
-void rxrpc_propose_ACK(struct rxrpc_call *, u8, __be32, bool);
+void __rxrpc_propose_ACK(struct rxrpc_call *, u8, u32, bool);
+void rxrpc_propose_ACK(struct rxrpc_call *, u8, u32, bool);
void rxrpc_process_call(struct work_struct *);
/*
* ar-call.c
*/
-extern unsigned rxrpc_max_call_lifetime;
-extern unsigned rxrpc_dead_call_expiry;
+extern unsigned int rxrpc_max_call_lifetime;
+extern unsigned int rxrpc_dead_call_expiry;
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_hash(u8, __be32, __be32, __be32,
- __be16, void *, sa_family_t, const u8 *);
+struct rxrpc_call *rxrpc_find_call_hash(struct rxrpc_host_header *,
+ void *, sa_family_t, const void *);
struct rxrpc_call *rxrpc_get_client_call(struct rxrpc_sock *,
struct rxrpc_transport *,
struct rxrpc_conn_bundle *,
unsigned long, int, gfp_t);
struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *,
struct rxrpc_connection *,
- struct rxrpc_header *, gfp_t);
+ struct rxrpc_host_header *, gfp_t);
struct rxrpc_call *rxrpc_find_server_call(struct rxrpc_sock *, unsigned long);
void rxrpc_release_call(struct rxrpc_call *);
void rxrpc_release_calls_on_socket(struct rxrpc_sock *);
@@ -484,22 +516,22 @@ void __exit rxrpc_destroy_all_calls(void);
/*
* ar-connection.c
*/
-extern unsigned rxrpc_connection_expiry;
+extern unsigned int rxrpc_connection_expiry;
extern struct list_head rxrpc_connections;
extern rwlock_t rxrpc_connection_lock;
struct rxrpc_conn_bundle *rxrpc_get_bundle(struct rxrpc_sock *,
struct rxrpc_transport *,
- struct key *, __be16, gfp_t);
+ struct key *, u16, gfp_t);
void rxrpc_put_bundle(struct rxrpc_transport *, struct rxrpc_conn_bundle *);
int rxrpc_connect_call(struct rxrpc_sock *, struct rxrpc_transport *,
struct rxrpc_conn_bundle *, struct rxrpc_call *, gfp_t);
void rxrpc_put_connection(struct rxrpc_connection *);
void __exit rxrpc_destroy_all_connections(void);
struct rxrpc_connection *rxrpc_find_connection(struct rxrpc_transport *,
- struct rxrpc_header *);
+ struct rxrpc_host_header *);
extern struct rxrpc_connection *
-rxrpc_incoming_connection(struct rxrpc_transport *, struct rxrpc_header *,
+rxrpc_incoming_connection(struct rxrpc_transport *, struct rxrpc_host_header *,
gfp_t);
/*
@@ -547,7 +579,7 @@ int rxrpc_get_server_data_key(struct rxrpc_connection *, const void *, time_t,
/*
* ar-output.c
*/
-extern unsigned rxrpc_resend_timeout;
+extern unsigned int rxrpc_resend_timeout;
int rxrpc_send_packet(struct rxrpc_transport *, struct sk_buff *);
int rxrpc_client_sendmsg(struct rxrpc_sock *, struct rxrpc_transport *,
@@ -595,7 +627,7 @@ void rxrpc_packet_destructor(struct sk_buff *);
/*
* ar-transport.c
*/
-extern unsigned rxrpc_transport_expiry;
+extern unsigned int rxrpc_transport_expiry;
struct rxrpc_transport *rxrpc_get_transport(struct rxrpc_local *,
struct rxrpc_peer *, gfp_t);
@@ -694,7 +726,7 @@ do { \
printk(KERN_ERR "RxRPC: Assertion failed\n"); \
BUG(); \
} \
-} while(0)
+} while (0)
#define ASSERTCMP(X, OP, Y) \
do { \
@@ -707,7 +739,7 @@ do { \
(unsigned long)(X), (unsigned long)(Y)); \
BUG(); \
} \
-} while(0)
+} while (0)
#define ASSERTIF(C, X) \
do { \
@@ -716,7 +748,7 @@ do { \
printk(KERN_ERR "RxRPC: Assertion failed\n"); \
BUG(); \
} \
-} while(0)
+} while (0)
#define ASSERTIFCMP(C, X, OP, Y) \
do { \
@@ -729,25 +761,25 @@ do { \
(unsigned long)(X), (unsigned long)(Y)); \
BUG(); \
} \
-} while(0)
+} while (0)
#else
#define ASSERT(X) \
do { \
-} while(0)
+} while (0)
#define ASSERTCMP(X, OP, Y) \
do { \
-} while(0)
+} while (0)
#define ASSERTIF(C, X) \
do { \
-} while(0)
+} while (0)
#define ASSERTIFCMP(C, X, OP, Y) \
do { \
-} while(0)
+} while (0)
#endif /* __KDEBUGALL */
@@ -804,9 +836,9 @@ do { \
CHECK_SLAB_OKAY(&(CALL)->usage); \
if (atomic_inc_return(&(CALL)->usage) == 1) \
BUG(); \
-} while(0)
+} while (0)
#define rxrpc_put_call(CALL) \
do { \
__rxrpc_put_call(CALL); \
-} while(0)
+} while (0)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 16:19:17 +0000