qcacmn: Avoid per packet Rx refill buffer pool lock

Avoid per packet Rx refill buff pool lock, instead
acquire/release lock for burst of nbuf's replenishment.

Change-Id: I778cb9702d31d4b8911cca4e7f06f12c50ef6df9
CRs-Fixed: 2884208

dp/wifi3.0/dp_rx.c

@@ -303,6 +303,7 @@ QDF_STATUS __dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
 		    dp_soc, num_req_buffers);
 
 	hal_srng_access_start(dp_soc->hal_soc, rxdma_srng);
+
 	num_entries_avail = hal_srng_src_num_avail(dp_soc->hal_soc,
 						   rxdma_srng,
 						   sync_hw_ptr);
@@ -349,6 +350,8 @@ QDF_STATUS __dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
 
 	count = 0;
 
+	dp_rx_refill_buff_pool_lock(dp_soc);
+
 	while (count < num_req_buffers) {
 		/* Flag is set while pdev rx_desc_pool initialization */
 		if (qdf_unlikely(rx_desc_pool->rx_mon_dest_frag_enable))
@@ -405,6 +408,8 @@ QDF_STATUS __dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id,
 
 	}
 
+	dp_rx_refill_buff_pool_unlock(dp_soc);
+
 	hal_srng_access_end(dp_soc->hal_soc, rxdma_srng);
 
 	dp_rx_schedule_refill_thread(dp_soc);