--- /dev/null
+Index: backports-v4.18-rc7/drivers/net/wireless/ath/ath10k/htt.h
+===================================================================
+--- backports-v4.18-rc7.orig/drivers/net/wireless/ath/ath10k/htt.h
++++ backports-v4.18-rc7/drivers/net/wireless/ath/ath10k/htt.h
+@@ -238,7 +238,7 @@ enum htt_rx_ring_flags {
+ };
+
+ #define HTT_RX_RING_SIZE_MIN 128
+-#define HTT_RX_RING_SIZE_MAX 2048
++#define HTT_RX_RING_SIZE_MAX 512
+ #define HTT_RX_RING_SIZE HTT_RX_RING_SIZE_MAX
+ #define HTT_RX_RING_FILL_LEVEL (((HTT_RX_RING_SIZE) / 2) - 1)
+ #define HTT_RX_RING_FILL_LEVEL_DUAL_MAC (HTT_RX_RING_SIZE - 1)