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-rw-r--r--stack/avct/avct_lcb_act.c702
1 files changed, 702 insertions, 0 deletions
diff --git a/stack/avct/avct_lcb_act.c b/stack/avct/avct_lcb_act.c
new file mode 100644
index 0000000..b883517
--- /dev/null
+++ b/stack/avct/avct_lcb_act.c
@@ -0,0 +1,702 @@
+/******************************************************************************
+ *
+ * Copyright (C) 2003-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This module contains action functions of the link control state machine.
+ *
+ ******************************************************************************/
+
+#include <string.h>
+#include "data_types.h"
+#include "bt_target.h"
+#include "avct_api.h"
+#include "avct_int.h"
+#include "gki.h"
+#include "btm_api.h"
+
+/* packet header length lookup table */
+const UINT8 avct_lcb_pkt_type_len[] = {
+ AVCT_HDR_LEN_SINGLE,
+ AVCT_HDR_LEN_START,
+ AVCT_HDR_LEN_CONT,
+ AVCT_HDR_LEN_END
+};
+
+/*******************************************************************************
+**
+** Function avct_lcb_msg_asmbl
+**
+** Description Reassemble incoming message.
+**
+**
+** Returns Pointer to reassembled message; NULL if no message
+** available.
+**
+*******************************************************************************/
+static BT_HDR *avct_lcb_msg_asmbl(tAVCT_LCB *p_lcb, BT_HDR *p_buf)
+{
+ UINT8 *p;
+ UINT8 pkt_type;
+ BT_HDR *p_ret;
+ UINT16 buf_len;
+
+ /* parse the message header */
+ p = (UINT8 *)(p_buf + 1) + p_buf->offset;
+ AVCT_PRS_PKT_TYPE(p, pkt_type);
+
+ /* quick sanity check on length */
+ if (p_buf->len < avct_lcb_pkt_type_len[pkt_type])
+ {
+ GKI_freebuf(p_buf);
+ AVCT_TRACE_WARNING0("Bad length during reassembly");
+ p_ret = NULL;
+ }
+ /* single packet */
+ else if (pkt_type == AVCT_PKT_TYPE_SINGLE)
+ {
+ /* if reassembly in progress drop message and process new single */
+ if (p_lcb->p_rx_msg != NULL)
+ {
+ GKI_freebuf(p_lcb->p_rx_msg);
+ p_lcb->p_rx_msg = NULL;
+ AVCT_TRACE_WARNING0("Got single during reassembly");
+ }
+ p_ret = p_buf;
+ }
+ /* start packet */
+ else if (pkt_type == AVCT_PKT_TYPE_START)
+ {
+ /* if reassembly in progress drop message and process new start */
+ if (p_lcb->p_rx_msg != NULL)
+ {
+ GKI_freebuf(p_lcb->p_rx_msg);
+ AVCT_TRACE_WARNING0("Got start during reassembly");
+ }
+ p_lcb->p_rx_msg = p_buf;
+
+ /* copy first header byte over nosp */
+ *(p + 1) = *p;
+
+ /* set offset to point to where to copy next */
+ p_lcb->p_rx_msg->offset += p_lcb->p_rx_msg->len;
+
+ /* adjust length for packet header */
+ p_lcb->p_rx_msg->len -= 1;
+
+ p_ret = NULL;
+ }
+ /* continue or end */
+ else
+ {
+ /* if no reassembly in progress drop message */
+ if (p_lcb->p_rx_msg == NULL)
+ {
+ GKI_freebuf(p_buf);
+ AVCT_TRACE_WARNING1("Pkt type=%d out of order", pkt_type);
+ p_ret = NULL;
+ }
+ else
+ {
+ /* get size of buffer holding assembled message */
+ buf_len = GKI_get_buf_size(p_lcb->p_rx_msg) - sizeof(BT_HDR);
+
+ /* adjust offset and len of fragment for header byte */
+ p_buf->offset += AVCT_HDR_LEN_CONT;
+ p_buf->len -= AVCT_HDR_LEN_CONT;
+
+ /* verify length */
+ if ((p_lcb->p_rx_msg->offset + p_buf->len) > buf_len)
+ {
+ /* won't fit; free everything */
+ GKI_freebuf(p_lcb->p_rx_msg);
+ p_lcb->p_rx_msg = NULL;
+ GKI_freebuf(p_buf);
+ p_ret = NULL;
+ AVCT_TRACE_WARNING0("Fragmented message to big!");
+ }
+ else
+ {
+ /* copy contents of p_buf to p_rx_msg */
+ memcpy((UINT8 *)(p_lcb->p_rx_msg + 1) + p_lcb->p_rx_msg->offset,
+ (UINT8 *)(p_buf + 1) + p_buf->offset, p_buf->len);
+
+ if (pkt_type == AVCT_PKT_TYPE_END)
+ {
+ p_lcb->p_rx_msg->offset -= p_lcb->p_rx_msg->len;
+ p_lcb->p_rx_msg->len += p_buf->len;
+ p_ret = p_lcb->p_rx_msg;
+ p_lcb->p_rx_msg = NULL;
+ }
+ else
+ {
+ p_lcb->p_rx_msg->offset += p_buf->len;
+ p_lcb->p_rx_msg->len += p_buf->len;
+ p_ret = NULL;
+ }
+ GKI_freebuf(p_buf);
+ }
+ }
+ }
+ return p_ret;
+}
+
+
+/*******************************************************************************
+**
+** Function avct_lcb_chnl_open
+**
+** Description Open L2CAP channel to peer
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_chnl_open(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ UINT16 result = AVCT_RESULT_FAIL;
+
+ BTM_SetOutService(p_lcb->peer_addr, BTM_SEC_SERVICE_AVCTP, 0);
+ /* call l2cap connect req */
+ p_lcb->ch_state = AVCT_CH_CONN;
+ if ((p_lcb->ch_lcid = L2CA_ConnectReq(AVCT_PSM, p_lcb->peer_addr)) == 0)
+ {
+ /* if connect req failed, send ourselves close event */
+ avct_lcb_event(p_lcb, AVCT_LCB_LL_CLOSE_EVT, (tAVCT_LCB_EVT *) &result);
+ }
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_unbind_disc
+**
+** Description Deallocate ccb and call callback with disconnect event.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_unbind_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ avct_ccb_dealloc(p_data->p_ccb, AVCT_DISCONNECT_CFM_EVT, 0, NULL);
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_open_ind
+**
+** Description Handle an LL_OPEN event. For each allocated ccb already
+** bound to this lcb, send a connect event. For each
+** unbound ccb with a new PID, bind that ccb to this lcb and
+** send a connect event.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_open_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ tAVCT_CCB *p_ccb = &avct_cb.ccb[0];
+ int i;
+ BOOLEAN bind = FALSE;
+
+ for (i = 0; i < AVCT_NUM_CONN; i++, p_ccb++)
+ {
+ /* if ccb allocated and */
+ if (p_ccb->allocated)
+ {
+ /* if bound to this lcb send connect confirm event */
+ if (p_ccb->p_lcb == p_lcb)
+ {
+ bind = TRUE;
+ L2CA_SetTxPriority(p_lcb->ch_lcid, L2CAP_CHNL_PRIORITY_HIGH);
+ p_ccb->cc.p_ctrl_cback(avct_ccb_to_idx(p_ccb), AVCT_CONNECT_CFM_EVT,
+ 0, p_lcb->peer_addr);
+ }
+ /* if unbound acceptor and lcb doesn't already have a ccb for this PID */
+ else if ((p_ccb->p_lcb == NULL) && (p_ccb->cc.role == AVCT_ACP) &&
+ (avct_lcb_has_pid(p_lcb, p_ccb->cc.pid) == NULL))
+ {
+ /* bind ccb to lcb and send connect ind event */
+ bind = TRUE;
+ p_ccb->p_lcb = p_lcb;
+ L2CA_SetTxPriority(p_lcb->ch_lcid, L2CAP_CHNL_PRIORITY_HIGH);
+ p_ccb->cc.p_ctrl_cback(avct_ccb_to_idx(p_ccb), AVCT_CONNECT_IND_EVT,
+ 0, p_lcb->peer_addr);
+ }
+ }
+ }
+
+ /* if no ccbs bound to this lcb, disconnect */
+ if (bind == FALSE)
+ {
+ avct_lcb_event(p_lcb, AVCT_LCB_INT_CLOSE_EVT, p_data);
+ }
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_open_fail
+**
+** Description L2CAP channel open attempt failed. Deallocate any ccbs
+** on this lcb and send connect confirm event with failure.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_open_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ tAVCT_CCB *p_ccb = &avct_cb.ccb[0];
+ int i;
+
+ for (i = 0; i < AVCT_NUM_CONN; i++, p_ccb++)
+ {
+ if (p_ccb->allocated && (p_ccb->p_lcb == p_lcb))
+ {
+ avct_ccb_dealloc(p_ccb, AVCT_CONNECT_CFM_EVT,
+ p_data->result, p_lcb->peer_addr);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_close_ind
+**
+** Description L2CAP channel closed by peer. Deallocate any initiator
+** ccbs on this lcb and send disconnect ind event.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_close_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ tAVCT_CCB *p_ccb = &avct_cb.ccb[0];
+ int i;
+
+ for (i = 0; i < AVCT_NUM_CONN; i++, p_ccb++)
+ {
+ if (p_ccb->allocated && (p_ccb->p_lcb == p_lcb))
+ {
+ if (p_ccb->cc.role == AVCT_INT)
+ {
+ avct_ccb_dealloc(p_ccb, AVCT_DISCONNECT_IND_EVT,
+ 0, p_lcb->peer_addr);
+ }
+ else
+ {
+ p_ccb->p_lcb = NULL;
+ (*p_ccb->cc.p_ctrl_cback)(avct_ccb_to_idx(p_ccb), AVCT_DISCONNECT_IND_EVT,
+ 0, p_lcb->peer_addr);
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_close_cfm
+**
+** Description L2CAP channel closed by us. Deallocate any initiator
+** ccbs on this lcb and send disconnect ind or cfm event.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_close_cfm(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ tAVCT_CCB *p_ccb = &avct_cb.ccb[0];
+ int i;
+ UINT8 event;
+
+ for (i = 0; i < AVCT_NUM_CONN; i++, p_ccb++)
+ {
+ if (p_ccb->allocated && (p_ccb->p_lcb == p_lcb))
+ {
+ /* if this ccb initiated close send disconnect cfm otherwise ind */
+ if (p_ccb->ch_close)
+ {
+ p_ccb->ch_close = FALSE;
+ event = AVCT_DISCONNECT_CFM_EVT;
+ }
+ else
+ {
+ event = AVCT_DISCONNECT_IND_EVT;
+ }
+
+ if (p_ccb->cc.role == AVCT_INT)
+ {
+ avct_ccb_dealloc(p_ccb, event, p_data->result, p_lcb->peer_addr);
+ }
+ else
+ {
+ p_ccb->p_lcb = NULL;
+ (*p_ccb->cc.p_ctrl_cback)(avct_ccb_to_idx(p_ccb), event,
+ p_data->result, p_lcb->peer_addr);
+ }
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_bind_conn
+**
+** Description Bind ccb to lcb and send connect cfm event.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_bind_conn(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ p_data->p_ccb->p_lcb = p_lcb;
+ (*p_data->p_ccb->cc.p_ctrl_cback)(avct_ccb_to_idx(p_data->p_ccb),
+ AVCT_CONNECT_CFM_EVT, 0, p_lcb->peer_addr);
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_chk_disc
+**
+** Description A ccb wants to close; if it is the last ccb on this lcb,
+** close channel. Otherwise just deallocate and call
+** callback.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_chk_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ AVCT_TRACE_WARNING0("avct_lcb_chk_disc");
+#if (AVCT_BROWSE_INCLUDED == TRUE)
+ avct_close_bcb(p_lcb, p_data);
+#endif
+ if (avct_lcb_last_ccb(p_lcb, p_data->p_ccb))
+ {
+ AVCT_TRACE_WARNING0("closing");
+ p_data->p_ccb->ch_close = TRUE;
+ avct_lcb_event(p_lcb, AVCT_LCB_INT_CLOSE_EVT, p_data);
+ }
+ else
+ {
+ AVCT_TRACE_WARNING0("dealloc ccb");
+ avct_lcb_unbind_disc(p_lcb, p_data);
+ }
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_chnl_disc
+**
+** Description Disconnect L2CAP channel.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_chnl_disc(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ L2CA_DisconnectReq(p_lcb->ch_lcid);
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_bind_fail
+**
+** Description Deallocate ccb and call callback with connect event
+** with failure result.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_bind_fail(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ avct_ccb_dealloc(p_data->p_ccb, AVCT_CONNECT_CFM_EVT, AVCT_RESULT_FAIL, NULL);
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_cong_ind
+**
+** Description Handle congestion indication from L2CAP.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_cong_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ tAVCT_CCB *p_ccb = &avct_cb.ccb[0];
+ int i;
+ UINT8 event;
+ BT_HDR *p_buf;
+
+ /* set event */
+ event = (p_data->cong) ? AVCT_CONG_IND_EVT : AVCT_UNCONG_IND_EVT;
+ p_lcb->cong = p_data->cong;
+ if (p_lcb->cong == FALSE && GKI_getfirst(&p_lcb->tx_q))
+ {
+ while ( !p_lcb->cong && (p_buf = (BT_HDR *)GKI_dequeue(&p_lcb->tx_q)) != NULL)
+ {
+ if (L2CA_DataWrite(p_lcb->ch_lcid, p_buf) == L2CAP_DW_CONGESTED)
+ {
+ p_lcb->cong = TRUE;
+ }
+ }
+ }
+
+ /* send event to all ccbs on this lcb */
+ for (i = 0; i < AVCT_NUM_CONN; i++, p_ccb++)
+ {
+ if (p_ccb->allocated && (p_ccb->p_lcb == p_lcb))
+ {
+ (*p_ccb->cc.p_ctrl_cback)(avct_ccb_to_idx(p_ccb), event, 0, p_lcb->peer_addr);
+ }
+ }
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_discard_msg
+**
+** Description Discard a message sent in from the API.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_discard_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ AVCT_TRACE_WARNING0("Dropping msg");
+
+ GKI_freebuf(p_data->ul_msg.p_buf);
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_send_msg
+**
+** Description Build and send an AVCTP message.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_send_msg(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ UINT16 curr_msg_len;
+ UINT8 pkt_type;
+ UINT8 hdr_len;
+ BT_HDR *p_buf;
+ UINT8 *p;
+ UINT8 nosp = 0; /* number of subsequent packets */
+ UINT16 temp;
+ UINT16 buf_size = p_lcb->peer_mtu + L2CAP_MIN_OFFSET + BT_HDR_SIZE;
+
+
+ /* store msg len */
+ curr_msg_len = p_data->ul_msg.p_buf->len;
+
+ /* initialize packet type and other stuff */
+ if (curr_msg_len <= (p_lcb->peer_mtu - AVCT_HDR_LEN_SINGLE))
+ {
+ pkt_type = AVCT_PKT_TYPE_SINGLE;
+ }
+ else
+ {
+ pkt_type = AVCT_PKT_TYPE_START;
+ temp = (curr_msg_len + AVCT_HDR_LEN_START - p_lcb->peer_mtu);
+ nosp = temp / (p_lcb->peer_mtu - 1) + 1;
+ if ( (temp % (p_lcb->peer_mtu - 1)) != 0)
+ nosp++;
+ }
+
+ /* while we haven't sent all packets */
+ while (curr_msg_len != 0)
+ {
+ /* set header len */
+ hdr_len = avct_lcb_pkt_type_len[pkt_type];
+
+ /* if remaining msg must be fragmented */
+ if (p_data->ul_msg.p_buf->len > (p_lcb->peer_mtu - hdr_len))
+ {
+ /* get a new buffer for fragment we are sending */
+ if ((p_buf = (BT_HDR *) GKI_getbuf(buf_size)) == NULL)
+ {
+ /* whoops; free original msg buf and bail */
+ AVCT_TRACE_ERROR0 ("avct_lcb_send_msg cannot alloc buffer!!");
+ GKI_freebuf(p_data->ul_msg.p_buf);
+ break;
+ }
+
+ /* copy portion of data from current message to new buffer */
+ p_buf->offset = L2CAP_MIN_OFFSET + hdr_len;
+ p_buf->len = p_lcb->peer_mtu - hdr_len;
+
+ memcpy((UINT8 *)(p_buf + 1) + p_buf->offset,
+ (UINT8 *)(p_data->ul_msg.p_buf + 1) + p_data->ul_msg.p_buf->offset, p_buf->len);
+
+ p_data->ul_msg.p_buf->offset += p_buf->len;
+ p_data->ul_msg.p_buf->len -= p_buf->len;
+ }
+ else
+ {
+ p_buf = p_data->ul_msg.p_buf;
+ }
+
+ curr_msg_len -= p_buf->len;
+
+ /* set up to build header */
+ p_buf->len += hdr_len;
+ p_buf->offset -= hdr_len;
+ p = (UINT8 *)(p_buf + 1) + p_buf->offset;
+
+ /* build header */
+ AVCT_BLD_HDR(p, p_data->ul_msg.label, pkt_type, p_data->ul_msg.cr);
+ if (pkt_type == AVCT_PKT_TYPE_START)
+ {
+ UINT8_TO_STREAM(p, nosp);
+ }
+ if ((pkt_type == AVCT_PKT_TYPE_START) || (pkt_type == AVCT_PKT_TYPE_SINGLE))
+ {
+ UINT16_TO_BE_STREAM(p, p_data->ul_msg.p_ccb->cc.pid);
+ }
+
+ if (p_lcb->cong == TRUE)
+ {
+ GKI_enqueue (&p_lcb->tx_q, p_buf);
+ }
+
+ /* send message to L2CAP */
+ else
+ {
+ if (L2CA_DataWrite(p_lcb->ch_lcid, p_buf) == L2CAP_DW_CONGESTED)
+ {
+ p_lcb->cong = TRUE;
+ }
+ }
+
+ /* update pkt type for next packet */
+ if (curr_msg_len > (p_lcb->peer_mtu - AVCT_HDR_LEN_END))
+ {
+ pkt_type = AVCT_PKT_TYPE_CONT;
+ }
+ else
+ {
+ pkt_type = AVCT_PKT_TYPE_END;
+ }
+ }
+ AVCT_TRACE_DEBUG1 ("avct_lcb_send_msg tx_q_count:%d", p_lcb->tx_q.count);
+ return;
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_free_msg_ind
+**
+** Description Discard an incoming AVCTP message.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_free_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ if (p_data)
+ GKI_freebuf(p_data->p_buf);
+ return;
+}
+
+/*******************************************************************************
+**
+** Function avct_lcb_msg_ind
+**
+** Description Handle an incoming AVCTP message.
+**
+**
+** Returns Nothing.
+**
+*******************************************************************************/
+void avct_lcb_msg_ind(tAVCT_LCB *p_lcb, tAVCT_LCB_EVT *p_data)
+{
+ UINT8 *p;
+ UINT8 label, type, cr_ipid;
+ UINT16 pid;
+ tAVCT_CCB *p_ccb;
+ BT_HDR *p_buf;
+
+ /* this p_buf is to be reported through p_msg_cback. The layer_specific
+ * needs to be set properly to indicate that it is received through
+ * control channel */
+ p_data->p_buf->layer_specific = AVCT_DATA_CTRL;
+
+ /* reassemble message; if no message available (we received a fragment) return */
+ if ((p_data->p_buf = avct_lcb_msg_asmbl(p_lcb, p_data->p_buf)) == NULL)
+ {
+ return;
+ }
+
+ p = (UINT8 *)(p_data->p_buf + 1) + p_data->p_buf->offset;
+
+ /* parse header byte */
+ AVCT_PRS_HDR(p, label, type, cr_ipid);
+
+ /* check for invalid cr_ipid */
+ if (cr_ipid == AVCT_CR_IPID_INVALID)
+ {
+ AVCT_TRACE_WARNING1("Invalid cr_ipid", cr_ipid);
+ GKI_freebuf(p_data->p_buf);
+ return;
+ }
+
+ /* parse and lookup PID */
+ BE_STREAM_TO_UINT16(pid, p);
+ if ((p_ccb = avct_lcb_has_pid(p_lcb, pid)) != NULL)
+ {
+ /* PID found; send msg up, adjust bt hdr and call msg callback */
+ p_data->p_buf->offset += AVCT_HDR_LEN_SINGLE;
+ p_data->p_buf->len -= AVCT_HDR_LEN_SINGLE;
+ (*p_ccb->cc.p_msg_cback)(avct_ccb_to_idx(p_ccb), label, cr_ipid, p_data->p_buf);
+ }
+ else
+ {
+ /* PID not found; drop message */
+ AVCT_TRACE_WARNING1("No ccb for PID=%x", pid);
+ GKI_freebuf(p_data->p_buf);
+
+ /* if command send reject */
+ if (cr_ipid == AVCT_CMD)
+ {
+ if ((p_buf = (BT_HDR *) GKI_getpoolbuf(AVCT_CMD_POOL_ID)) != NULL)
+ {
+ p_buf->len = AVCT_HDR_LEN_SINGLE;
+ p_buf->offset = AVCT_MSG_OFFSET - AVCT_HDR_LEN_SINGLE;
+ p = (UINT8 *)(p_buf + 1) + p_buf->offset;
+ AVCT_BLD_HDR(p, label, AVCT_PKT_TYPE_SINGLE, AVCT_REJ);
+ UINT16_TO_BE_STREAM(p, pid);
+ L2CA_DataWrite(p_lcb->ch_lcid, p_buf);
+ }
+ }
+ }
+}
generated by cgit v1.1 at 2024-05-02 06:16:49 +0000