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moved private stuff into .c

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This commit is contained in:
matthias.ringwald 2011-07-08 15:51:20 +00:00
parent 863aed5f44
commit 39bda6d5db
2 changed files with 92 additions and 88 deletions
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96
src/l2cap.c
View File

@ -57,23 +57,102 @@
// nr of buffered acl packets in outgoing queue to get max performance
#define NR_BUFFERED_ACL_PACKETS 3
// used to cache l2cap rejects, echo, and informational requests
#define NR_PENDING_SIGNALING_RESPONSES 10
// offsets for L2CAP SIGNALING COMMANDS
#define L2CAP_SIGNALING_COMMAND_CODE_OFFSET 0
#define L2CAP_SIGNALING_COMMAND_SIGID_OFFSET 1
#define L2CAP_SIGNALING_COMMAND_LENGTH_OFFSET 2
#define L2CAP_SIGNALING_COMMAND_DATA_OFFSET 4
static void null_packet_handler(void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static void l2cap_packet_handler(uint8_t packet_type, uint8_t *packet, uint16_t size);
typedef enum {
L2CAP_STATE_CLOSED = 1, // no baseband
L2CAP_STATE_WILL_SEND_CREATE_CONNECTION,
L2CAP_STATE_WAIT_CONNECTION_COMPLETE,
L2CAP_STATE_WAIT_CLIENT_ACCEPT_OR_REJECT,
L2CAP_STATE_WAIT_CONNECT_RSP, // from peer
L2CAP_STATE_WAIT_CONFIG_REQ_OR_SEND_CONFIG_REQ,
L2CAP_STATE_WAIT_CONFIG_REQ_RSP_OR_CONFIG_REQ,
L2CAP_STATE_WAIT_CONFIG_REQ_RSP_OR_WILL_SEND_CONFIG_REQ_RSP,
L2CAP_STATE_WAIT_CONFIG_REQ_RSP,
L2CAP_STATE_WAIT_CONFIG_REQ,
L2CAP_STATE_OPEN,
L2CAP_STATE_WAIT_DISCONNECT, // from application
L2CAP_STATE_WILL_SEND_CONNECTION_REQUEST,
L2CAP_STATE_WILL_SEND_CONNECTION_RESPONSE_DECLINE,
L2CAP_STATE_WILL_SEND_CONNECTION_RESPONSE_ACCEPT,
L2CAP_STATE_WILL_SEND_CONFIG_REQ,
L2CAP_STATE_WILL_SEND_CONFIG_REQ_RSP,
L2CAP_STATE_WILL_SEND_CONFIG_REQ_AND_CONFIG_REQ_RSP,
L2CAP_STATE_WILL_SEND_DISCONNECT_REQUEST,
L2CAP_STATE_WILL_SEND_DISCONNECT_RESPONSE,
} L2CAP_STATE;
// info regarding an actual coneection
typedef struct {
// linked list - assert: first field
linked_item_t item;
L2CAP_STATE state;
bd_addr_t address;
hci_con_handle_t handle;
uint8_t remote_sig_id; // used by other side, needed for delayed response
uint8_t local_sig_id; // own signaling identifier
uint16_t local_cid;
uint16_t remote_cid;
uint16_t local_mtu;
uint16_t remote_mtu;
uint16_t psm;
uint8_t packets_granted; // number of L2CAP/ACL packets client is allowed to send
uint8_t reason; // used in decline internal
// client connection
void * connection;
// internal connection
btstack_packet_handler_t packet_handler;
} l2cap_channel_t;
// info regarding potential connections
typedef struct {
// linked list - assert: first field
linked_item_t item;
// service id
uint16_t psm;
// incoming MTU
uint16_t mtu;
// client connection
void *connection;
// internal connection
btstack_packet_handler_t packet_handler;
} l2cap_service_t;
// used to cache l2cap rejects, echo, and informational requests
#define NR_PENDING_SIGNALING_RESPONSES 10
typedef struct l2cap_signaling_response {
hci_con_handle_t handle;
uint8_t sig_id;
uint8_t code;
uint16_t infoType;
} l2cap_signaling_response_t;
static void null_packet_handler(void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static void l2cap_packet_handler(uint8_t packet_type, uint8_t *packet, uint16_t size);
// used to cache l2cap rejects, echo, and informational requests
static l2cap_signaling_response_t signaling_responses[NR_PENDING_SIGNALING_RESPONSES];
static int signaling_responses_pending;
@ -84,6 +163,15 @@ static uint8_t * acl_buffer = NULL;
static void (*packet_handler) (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size) = null_packet_handler;
static int new_credits_blocked = 0;
// prototypes
void l2cap_finialize_channel_close(l2cap_channel_t *channel);
l2cap_service_t * l2cap_get_service(uint16_t psm);
void l2cap_emit_channel_opened(l2cap_channel_t *channel, uint8_t status);
void l2cap_emit_channel_closed(l2cap_channel_t *channel);
void l2cap_emit_connection_request(l2cap_channel_t *channel);
void l2cap_init(){
sig_buffer = malloc( L2CAP_MINIMAL_MTU );
acl_buffer = malloc( HCI_ACL_3DH5_SIZE);

84
src/l2cap.h
View File

@ -50,84 +50,6 @@ extern "C" {
#define L2CAP_SIG_ID_INVALID 0
typedef enum {
L2CAP_STATE_CLOSED = 1, // no baseband
L2CAP_STATE_WILL_SEND_CREATE_CONNECTION,
L2CAP_STATE_WAIT_CONNECTION_COMPLETE,
L2CAP_STATE_WAIT_CLIENT_ACCEPT_OR_REJECT,
L2CAP_STATE_WAIT_CONNECT_RSP, // from peer
L2CAP_STATE_WAIT_CONFIG_REQ_OR_SEND_CONFIG_REQ,
L2CAP_STATE_WAIT_CONFIG_REQ_RSP_OR_CONFIG_REQ,
L2CAP_STATE_WAIT_CONFIG_REQ_RSP_OR_WILL_SEND_CONFIG_REQ_RSP,
L2CAP_STATE_WAIT_CONFIG_REQ_RSP,
L2CAP_STATE_WAIT_CONFIG_REQ,
L2CAP_STATE_OPEN,
L2CAP_STATE_WAIT_DISCONNECT, // from application
L2CAP_STATE_WILL_SEND_CONNECTION_REQUEST,
L2CAP_STATE_WILL_SEND_CONNECTION_RESPONSE_DECLINE,
L2CAP_STATE_WILL_SEND_CONNECTION_RESPONSE_ACCEPT,
L2CAP_STATE_WILL_SEND_CONFIG_REQ,
L2CAP_STATE_WILL_SEND_CONFIG_REQ_RSP,
L2CAP_STATE_WILL_SEND_CONFIG_REQ_AND_CONFIG_REQ_RSP,
L2CAP_STATE_WILL_SEND_DISCONNECT_REQUEST,
L2CAP_STATE_WILL_SEND_DISCONNECT_RESPONSE,
} L2CAP_STATE;
// info regarding an actual coneection
typedef struct {
// linked list - assert: first field
linked_item_t item;
L2CAP_STATE state;
bd_addr_t address;
hci_con_handle_t handle;
uint8_t remote_sig_id; // used by other side, needed for delayed response
uint8_t local_sig_id; // own signaling identifier
uint16_t local_cid;
uint16_t remote_cid;
uint16_t local_mtu;
uint16_t remote_mtu;
uint16_t psm;
uint8_t packets_granted; // number of L2CAP/ACL packets client is allowed to send
uint8_t reason; // used in decline internal
// uint16_t flush_timeout_incoming;
// uint16_t flush_timeout_outgoing;
// client connection
void * connection;
// internal connection
btstack_packet_handler_t packet_handler;
} l2cap_channel_t;
// info regarding potential connections
typedef struct {
// linked list - assert: first field
linked_item_t item;
// service id
uint16_t psm;
// incoming MTU
uint16_t mtu;
// client connection
void *connection;
// internal connection
btstack_packet_handler_t packet_handler;
} l2cap_service_t;
void l2cap_init(void);
void l2cap_register_packet_handler(void (*handler)(void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size));
void l2cap_create_channel_internal(void * connection, btstack_packet_handler_t packet_handler, bd_addr_t address, uint16_t psm, uint16_t mtu);
@ -138,20 +60,14 @@ uint16_t l2cap_get_remote_mtu_for_local_cid(uint16_t local_cid);
void l2cap_block_new_credits(uint8_t blocked);
int l2cap_can_send_packet_now(uint16_t local_cid); // non-blocking UART write
void l2cap_finialize_channel_close(l2cap_channel_t *channel);
void l2cap_close_connection(void *connection);
l2cap_service_t * l2cap_get_service(uint16_t psm);
void l2cap_register_service_internal(void *connection, btstack_packet_handler_t packet_handler, uint16_t psm, uint16_t mtu);
void l2cap_unregister_service_internal(void *connection, uint16_t psm);
void l2cap_accept_connection_internal(uint16_t local_cid);
void l2cap_decline_connection_internal(uint16_t local_cid, uint8_t reason);
void l2cap_emit_channel_opened(l2cap_channel_t *channel, uint8_t status);
void l2cap_emit_channel_closed(l2cap_channel_t *channel);
void l2cap_emit_connection_request(l2cap_channel_t *channel);
#if defined __cplusplus
}
#endif