diff --git a/testmode.h b/testmode.h
index 02c9495d..4d226276 100644
--- a/testmode.h
+++ b/testmode.h
@@ -101,6 +101,7 @@ enum mt76_testmode_stats_attr {
  * @MT76_TM_RX_ATTR_RCPI: received channel power indicator (array, u8)
  * @MT76_TM_RX_ATTR_IB_RSSI: internal inband RSSI (array, s8)
  * @MT76_TM_RX_ATTR_WB_RSSI: internal wideband RSSI (array, s8)
+ * @MT76_TM_RX_ATTR_SNR: signal-to-noise ratio (u8)
  */
 enum mt76_testmode_rx_attr {
 	MT76_TM_RX_ATTR_UNSPEC,
@@ -109,6 +110,7 @@ enum mt76_testmode_rx_attr {
 	MT76_TM_RX_ATTR_RCPI,
 	MT76_TM_RX_ATTR_IB_RSSI,
 	MT76_TM_RX_ATTR_WB_RSSI,
+	MT76_TM_RX_ATTR_SNR,
 
 	/* keep last */
 	NUM_MT76_TM_RX_ATTRS,
diff --git a/tools/fields.c b/tools/fields.c
index 4df74530..098ee57e 100644
--- a/tools/fields.c
+++ b/tools/fields.c
@@ -252,12 +252,14 @@ static const struct tm_field rx_fields[NUM_MT76_TM_RX_ATTRS] = {
 	FIELD_ARRAY_RO(u8, RCPI, "rcpi"),
 	FIELD_ARRAY_RO(s8, IB_RSSI, "ib_rssi"),
 	FIELD_ARRAY_RO(s8, WB_RSSI, "wb_rssi"),
+	FIELD_RO(s8, SNR, "snr"),
 };
 static struct nla_policy rx_policy[NUM_MT76_TM_RX_ATTRS] = {
 	[MT76_TM_RX_ATTR_FREQ_OFFSET] = { .type = NLA_U32 },
 	[MT76_TM_RX_ATTR_RCPI] = { .type = NLA_NESTED },
 	[MT76_TM_RX_ATTR_IB_RSSI] = { .type = NLA_NESTED },
 	[MT76_TM_RX_ATTR_WB_RSSI] = { .type = NLA_NESTED },
+	[MT76_TM_RX_ATTR_SNR] = { .type = NLA_U8 },
 };
 #undef FIELD_NAME