qcacmn: Handle ingress reo list overflow

Handle overflow of management Rx reorder ingress list.

CRs-Fixed: 3402355
Change-Id: I2e7ab5b672e6cb2db2cb1e47d3854ad55d6b540a

umac/cmn_services/mgmt_txrx/core/src/wlan_mgmt_txrx_rx_reo.c

@@ -2432,6 +2432,9 @@ mgmt_rx_reo_move_entries_ingress_to_egress_list
 	struct mgmt_rx_reo_list_entry *ingress_list_entry;
 	struct mgmt_rx_reo_list_entry *latest_frame_ready_to_deliver = NULL;
 	uint16_t num_frames_ready_to_deliver = 0;
+	uint32_t num_overflow_frames = 0;
+	uint32_t ingress_list_max_size;
+	uint32_t ingress_list_cur_size;
 
 	if (!ingress_list) {
 		mgmt_rx_reo_err("Ingress list is null");
@@ -2447,7 +2450,19 @@ mgmt_rx_reo_move_entries_ingress_to_egress_list
 
 	qdf_spin_lock_bh(&reo_ingress_list->list_lock);
 
+	ingress_list_cur_size = qdf_list_size(&reo_ingress_list->list);
+	ingress_list_max_size = reo_ingress_list->max_list_size;
+	if (mgmt_rx_reo_list_overflowed(reo_ingress_list))
+		num_overflow_frames =
+				ingress_list_cur_size - ingress_list_max_size;
+
 	qdf_list_for_each(&reo_ingress_list->list, ingress_list_entry, node) {
+		if (num_overflow_frames > 0) {
+			ingress_list_entry->status |=
+						STATUS_INGRESS_LIST_OVERFLOW;
+			num_overflow_frames--;
+		}
+
 		if (!mgmt_rx_reo_is_entry_ready_to_send_up(ingress_list_entry))
 			break;
 
@@ -2480,6 +2495,8 @@ mgmt_rx_reo_move_entries_ingress_to_egress_list
 				       &temp_list_frames_ready_to_deliver);
 		qdf_assert_always(QDF_IS_STATUS_SUCCESS(status));
 
+		qdf_assert_always(qdf_list_size(&reo_ingress_list->list) <=
+				  reo_ingress_list->max_list_size);
 		qdf_assert_always(qdf_list_size(&reo_egress_list->list) <=
 						reo_egress_list->max_list_size);
 
@@ -2891,8 +2908,15 @@ mgmt_rx_reo_update_ingress_list(struct mgmt_rx_reo_ingress_list *ingress_list,
 		frame_desc->queued_list = MGMT_RX_REO_LIST_TYPE_INGRESS;
 
 		overflow = (qdf_list_size(&reo_ingress_list->list) >
-					reo_ingress_list->max_list_size);
-		qdf_assert_always(!overflow);
+					  reo_ingress_list->max_list_size);
+		if (overflow) {
+			qdf_list_t *ingress_list_ptr = &reo_ingress_list->list;
+
+			reo_ingress_list->overflow_count++;
+			mgmt_rx_reo_err_rl("Ingress overflow, cnt:%llu size:%u",
+					   reo_ingress_list->overflow_count,
+					   qdf_list_size(ingress_list_ptr));
+		}
 
 		if (new->wait_count.total_count == 0)
 			frame_desc->zero_wait_count_rx = true;

umac/cmn_services/mgmt_txrx/core/src/wlan_mgmt_txrx_rx_reo_i.h

@@ -36,9 +36,9 @@
 #include <wlan_objmgr_psoc_obj.h>
 #include <wlan_mlo_mgr_public_structs.h>
 
-#define MGMT_RX_REO_INGRESS_LIST_MAX_SIZE                  (256)
-#define MGMT_RX_REO_INGRESS_LIST_TIMEOUT_US                (500 * USEC_PER_MSEC)
-#define MGMT_RX_REO_INGRESS_LIST_AGEOUT_TIMER_PERIOD_MS    (250)
+#define MGMT_RX_REO_INGRESS_LIST_MAX_SIZE                  (512)
+#define MGMT_RX_REO_INGRESS_LIST_TIMEOUT_US                (250 * USEC_PER_MSEC)
+#define MGMT_RX_REO_INGRESS_LIST_AGEOUT_TIMER_PERIOD_MS    (50)
 
 #define MGMT_RX_REO_EGRESS_LIST_MAX_SIZE                   (256)
 
@@ -246,6 +246,7 @@ struct mgmt_rx_reo_frame_info {
  * @list: Linked list
  * @list_lock: Spin lock to protect the list
  * @max_list_size: Maximum size of the reorder list
+ * @overflow_count: Number of times list overflow occurred
  * @last_inserted_frame: Information about the last frame inserted to the list
  * @last_released_frame: Information about the last frame released from the list
  */
@@ -253,6 +254,7 @@ struct mgmt_rx_reo_list {
 	qdf_list_t list;
 	qdf_spinlock_t list_lock;
 	uint32_t max_list_size;
+	uint64_t overflow_count;
 	struct mgmt_rx_reo_frame_info last_inserted_frame;
 	struct mgmt_rx_reo_frame_info last_released_frame;
 };
@@ -847,6 +849,21 @@ struct mgmt_rx_reo_frame_descriptor {
 	struct mgmt_rx_reo_frame_info last_delivered_frame;
 };
 
+/**
+ * mgmt_rx_reo_list_overflowed() - Helper API to check whether mgmt rx reorder
+ * list overflowed
+ * @reo_list: Pointer to management rx reorder list
+ *
+ * Return: true or false
+ */
+static inline bool
+mgmt_rx_reo_list_overflowed(struct mgmt_rx_reo_list *reo_list)
+{
+	qdf_assert_always(reo_list);
+
+	return (qdf_list_size(&reo_list->list) > reo_list->max_list_size);
+}
+
 /**
  * mgmt_rx_reo_get_context_from_ingress_list() - Helper API to get pointer to
  * management rx reorder context from pointer to management rx reo ingress list