int
ble_l2cap_sig_update_rsp_tx(struct ble_hs_conn *conn,
struct ble_l2cap_chan *chan, uint8_t id,
uint16_t result)
{
struct ble_l2cap_sig_update_rsp rsp;
struct os_mbuf *txom;
void *payload_buf;
int rc;
rc = ble_l2cap_sig_init_cmd(BLE_L2CAP_SIG_OP_UPDATE_RSP, id,
BLE_L2CAP_SIG_UPDATE_RSP_SZ, &txom,
&payload_buf);
if (rc != 0) {
return rc;
}
rsp.result = result;
ble_l2cap_sig_update_rsp_write(payload_buf, BLE_L2CAP_SIG_UPDATE_RSP_SZ,
&rsp);
rc = ble_l2cap_tx(conn, chan, txom);
if (rc != 0) {
return rc;
}
return 0;
}
int
ble_l2cap_sig_update_req_tx(struct ble_hs_conn *conn,
struct ble_l2cap_chan *chan, uint8_t id,
struct ble_l2cap_sig_update_req *req)
{
struct os_mbuf *txom;
void *payload_buf;
int rc;
rc = ble_l2cap_sig_init_cmd(BLE_L2CAP_SIG_OP_UPDATE_REQ, id,
BLE_L2CAP_SIG_UPDATE_REQ_SZ, &txom,
&payload_buf);
if (rc != BLE_HS_ENONE) {
return rc;
}
ble_l2cap_sig_update_req_write(payload_buf, BLE_L2CAP_SIG_UPDATE_REQ_SZ,
req);
rc = ble_l2cap_tx(conn, chan, txom);
if (rc != BLE_HS_ENONE) {
return rc;
}
return BLE_HS_ENONE;
}
int
ble_l2cap_sig_reject_tx(struct ble_hs_conn *conn, struct ble_l2cap_chan *chan,
uint8_t id, uint16_t reason,
void *data, int data_len)
{
struct ble_l2cap_sig_reject cmd;
struct os_mbuf *txom;
void *payload_buf;
int rc;
rc = ble_l2cap_sig_init_cmd(BLE_L2CAP_SIG_OP_REJECT, id,
BLE_L2CAP_SIG_REJECT_MIN_SZ + data_len, &txom,
&payload_buf);
if (rc != 0) {
return rc;
}
cmd.reason = reason;
ble_l2cap_sig_reject_write(payload_buf, txom->om_len, &cmd,
data, data_len);
STATS_INC(ble_l2cap_stats, sig_rx);
rc = ble_l2cap_tx(conn, chan, txom);
if (rc != 0) {
return rc;
}
return 0;
}
static int
ble_sm_tx(uint16_t conn_handle, struct os_mbuf *txom)
{
struct ble_l2cap_chan *chan;
struct ble_hs_conn *conn;
int rc;
BLE_HS_DBG_ASSERT(ble_hs_locked_by_cur_task());
STATS_INC(ble_l2cap_stats, sm_tx);
ble_hs_misc_conn_chan_find_reqd(conn_handle, BLE_L2CAP_CID_SM,
&conn, &chan);
rc = ble_l2cap_tx(conn, chan, txom);
if (rc != BLE_HS_ENONE) {
return rc;
}
return BLE_HS_ENONE;
}
static int
ble_att_clt_tx_req_flags(uint16_t conn_handle, struct os_mbuf *txom,
ble_hs_conn_flags_t flags_on_success)
{
struct ble_l2cap_chan *chan;
struct ble_hs_conn *conn;
uint16_t total_len;
uint16_t mtu;
int extra_len;
int rc;
BLE_HS_DBG_ASSERT_EVAL(txom->om_len >= 1);
ble_att_inc_tx_stat(txom->om_data[0]);
ble_hs_lock();
rc = ble_att_conn_chan_find(conn_handle, &conn, &chan);
if (rc == 0) {
/* Reduce the size of the transmission to fit the connection's ATT
* MTU.
*/
total_len = OS_MBUF_PKTLEN(txom);
mtu = ble_l2cap_chan_mtu(chan);
extra_len = total_len - mtu;
if (extra_len > 0) {
os_mbuf_adj(txom, -extra_len);
}
rc = ble_l2cap_tx(conn, chan, txom);
txom = NULL;
if (rc == 0) {
conn->bhc_flags |= flags_on_success;
}
}
ble_hs_unlock();
os_mbuf_free_chain(txom);
return rc;
}
static int
ble_l2cap_sig_tx(uint16_t conn_handle, struct os_mbuf *txom)
{
struct ble_l2cap_chan *chan;
struct ble_hs_conn *conn;
int rc;
STATS_INC(ble_l2cap_stats, sig_tx);
ble_hs_lock();
rc = ble_hs_misc_conn_chan_find_reqd(conn_handle, BLE_L2CAP_CID_SIG,
&conn, &chan);
if (rc == 0) {
rc = ble_l2cap_tx(conn, chan, txom);
}
ble_hs_unlock();
return rc;
}
