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Bluetooth: controller: Add handling of CTE request failed

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CTE request control procedure may failed due to rejection by
peer device or due to receive of LL_CTE_RSP PDU without CTE.
These events has to be reported to host by HCI_LE_CTE_Request_Failed.

The commit adds missing functionalit.

Signed-off-by: Piotr Pryga <piotr.pryga@nordicsemi.no>
This commit is contained in:
Piotr Pryga 2022-01-08 13:55:24 +01:00 • committed by Christopher Friedt
commit 85c4176446
6 changed files with 75 additions and 6 deletions
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13
subsys/bluetooth/controller/ll_sw/ull_llcp_common.c
View file

@ -210,9 +210,12 @@ static void lp_comm_ntf_length_change(struct ll_conn *conn, struct proc_ctx *ctx
#if defined(CONFIG_BT_CTLR_DF_CONN_CTE_REQ)
static void lp_comm_ntf_cte_req(struct ll_conn *conn, struct proc_ctx *ctx, struct pdu_data *pdu)
{
/* TODO (ppryga): Add handling of rejections in HCI: HCI_LE_CTE_Request_Failed. */
switch (ctx->response_opcode) {
case PDU_DATA_LLCTRL_TYPE_CTE_RSP:
/* Notify host that received LL_CTE_RSP does not have CTE */
if (!ctx->data.cte_remote_rsp.has_cte) {
llcp_ntf_encode_cte_req(pdu);
}
break;
case PDU_DATA_LLCTRL_TYPE_REJECT_EXT_IND:
llcp_ntf_encode_reject_ext_ind(ctx, pdu);
@ -346,10 +349,12 @@ static void lp_comm_complete(struct ll_conn *conn, struct proc_ctx *ctx, uint8_t
#if defined(CONFIG_BT_CTLR_DF_CONN_CTE_REQ)
case PROC_CTE_REQ:
if (ctx->response_opcode == PDU_DATA_LLCTRL_TYPE_CTE_RSP) {
if (conn->llcp.cte_req.req_interval != 0U) {
if (ctx->data.cte_remote_rsp.has_cte &&
conn->llcp.cte_req.req_interval != 0U) {
conn->llcp.cte_req.req_expire = conn->llcp.cte_req.req_interval;
} else {
conn->llcp.cte_req.is_enabled = 0U;
lp_comm_ntf(conn, ctx);
}
ctx->state = LP_COMMON_STATE_IDLE;
} else if (ctx->response_opcode == PDU_DATA_LLCTRL_TYPE_REJECT_EXT_IND &&
@ -556,9 +561,11 @@ static void lp_comm_rx_decode(struct ll_conn *conn, struct proc_ctx *ctx, struct
llcp_pdu_decode_length_rsp(conn, pdu);
break;
#endif /* CONFIG_BT_CTLR_DATA_LENGTH */
#if defined(CONFIG_BT_CTLR_DF_CONN_CTE_REQ)
case PDU_DATA_LLCTRL_TYPE_CTE_RSP:
/* CTE Response PDU had no data */
llcp_pdu_decode_cte_rsp(ctx, pdu);
break;
#endif /* CONFIG_BT_CTLR_DF_CONN_CTE_REQ */
case PDU_DATA_LLCTRL_TYPE_REJECT_EXT_IND:
llcp_pdu_decode_reject_ext_ind(ctx, pdu);
break;