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Bluetooth: L2CAP: Add initial server support

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This adds bt_l2cap_server_register which can be used to register a
server to a given PSM.

Change-Id: I301dc26a0ed881230568aa0fdd6cc5d0d6dd814a
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2015-09-30 12:36:24 +03:00 • committed by Anas Nashif
commit f98f423381
2 changed files with 45 additions and 0 deletions
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34
net/bluetooth/l2cap.c
View file

@ -41,6 +41,7 @@
#endif
static struct bt_l2cap_chan *channels;
static struct bt_l2cap_server *servers;
static uint8_t get_ident(struct bt_conn *conn)
{
@ -62,6 +63,39 @@ void bt_l2cap_chan_register(struct bt_l2cap_chan *chan)
channels = chan;
}
static struct bt_l2cap_server *l2cap_server_lookup_psm(uint16_t psm)
{
struct bt_l2cap_server *server;
for (server = servers; server; server = server->_next) {
if (server->psm == psm) {
return server;
}
}
return NULL;
}
int bt_l2cap_server_register(struct bt_l2cap_server *server)
{
if (server->psm < 0x0080 || server->psm > 0x00ff || !server->accept) {
return -EINVAL;
}
/* Check if given PSM is already in use */
if (l2cap_server_lookup_psm(server->psm)) {
BT_DBG("PSM already registered\n");
return -EADDRINUSE;
}
BT_DBG("PSM 0x%04x\n", server->psm);
server->_next = servers;
servers = server;
return 0;
}
void bt_l2cap_connected(struct bt_conn *conn)
{
struct bt_l2cap_chan *chan;

11
net/bluetooth/l2cap.h
View file

@ -70,9 +70,20 @@ struct bt_l2cap_chan {
struct bt_l2cap_chan *_next;
};
struct bt_l2cap_server {
uint16_t psm;
int (*accept)(struct bt_conn *conn, struct bt_l2cap_chan **chan);
struct bt_l2cap_server *_next;
};
/* Register a fixed L2CAP channel for L2CAP */
void bt_l2cap_chan_register(struct bt_l2cap_chan *chan);
/* Register L2CAP Server */
int bt_l2cap_server_register(struct bt_l2cap_server *server);
/* Notify L2CAP channels of a new connection */
void bt_l2cap_connected(struct bt_conn *conn);