Bluetooth: Controller: Do not disconnect all CIS on MIC failure (0b27981f) · Commits · Wenxi XU / zephyr

subsys/bluetooth/controller/ll_sw/ull_conn_iso.c

+12 −7

Original line number	Diff line number	Diff line
		@@ -349,11 +349,18 @@ void ull_conn_iso_done(struct node_rx_event_done *done)

		if (cis->lll.active && cis->lll.handle != LLL_HANDLE_INVALID) {
		/* CIS was setup and is now expected to be going */
		if (done->extra.trx_performed_bitmask &
		(1U << LL_CIS_IDX_FROM_HANDLE(cis->lll.handle))) {
		if (done->extra.mic_state == LLL_CONN_MIC_FAIL) {
		/* MIC failure - stop CIS and defer cleanup to after teardown. */
		ull_conn_iso_cis_stop(cis, NULL, BT_HCI_ERR_TERM_DUE_TO_MIC_FAIL);
		} else if (!(done->extra.trx_performed_bitmask &
		(1U << LL_CIS_IDX_FROM_HANDLE(cis->lll.handle)))) {
		/* MIC failure - stop CIS and defer cleanup to after
		* teardown.
		*/
		ull_conn_iso_cis_stop(cis, NULL,
		BT_HCI_ERR_TERM_DUE_TO_MIC_FAIL);
		} else {
		cis->event_expire = 0U;
		}
		} else {
		/* We did NOT have successful transaction on established CIS,
		* or CIS was not yet established, so handle timeout
		*/
		@@ -381,8 +388,6 @@ void ull_conn_iso_done(struct node_rx_event_done *done)
		BT_HCI_ERR_CONN_FAIL_TO_ESTAB);

		}
		} else {
		cis->event_expire = 0U;
		}
		}
		}