diff --git a/tests/linux/ethtool_test b/tests/linux/ethtool_test
index 197ca2e..a9e27cd 100755
--- a/tests/linux/ethtool_test
+++ b/tests/linux/ethtool_test
@@ -26,7 +26,29 @@ tests_init \
 	up_dma_ring_rx \
 	up_dma_ring_rx_jumbo \
 	up_dma_ring_rx_mini \
-	up_dma_ring_tx
+	up_dma_ring_tx \
+	up_coalesce_adaptive_rx \
+	up_coalesce_adaptive_tx \
+	up_coalesce_pkt_rate_low \
+	up_coalesce_pkt_rate_high \
+	up_coalesce_sample_interval \
+	up_coalesce_stats_block_usecs \
+	up_coalesce_rx_frames \
+	up_coalesce_rx_frames_low \
+	up_coalesce_rx_frames_irq \
+	up_coalesce_rx_frames_high \
+	up_coalesce_rx_usecs \
+	up_coalesce_rx_usecs_low \
+	up_coalesce_rx_usecs_irq \
+	up_coalesce_rx_usecs_high \
+	up_coalesce_tx_frames \
+	up_coalesce_tx_frames_low \
+	up_coalesce_tx_frames_irq \
+	up_coalesce_tx_frames_high \
+	up_coalesce_tx_usecs \
+	up_coalesce_tx_usecs_low \
+	up_coalesce_tx_usecs_irq \
+	up_coalesce_tx_usecs_high
 
 pre_up_msglvl_body() {
 	export IFACE="eth0" PHASE="pre-up" IF_ETHTOOL_MSGLVL="debug on" MOCK="echo"
@@ -283,3 +305,179 @@ up_dma_ring_tx_body() {
 		-o match:"tx '1024'" \
 		${EXECUTOR}
 }
+
+up_coalesce_adaptive_rx_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_ADAPTIVE_RX="on" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"adaptive-rx 'on'" \
+		${EXECUTOR}
+}
+
+up_coalesce_adaptive_tx_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_ADAPTIVE_TX="on" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"adaptive-tx 'on'" \
+		${EXECUTOR}
+}
+
+up_coalesce_pkt_rate_low_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_PKT_RATE_LOW="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"pkt-rate-low '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_pkt_rate_high_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_PKT_RATE_HIGH="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"pkt-rate-high '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_sample_interval_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_SAMPLE_INTERVAL="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"sample-interval '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_stats_block_usecs_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_STATS_BLOCK_USECS="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"stats-block-usecs '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_rx_frames_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_RX_FRAMES="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"rx-frames '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_rx_frames_low_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_RX_FRAMES_LOW="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"rx-frames-low '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_rx_frames_irq_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_RX_FRAMES_IRQ="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"rx-frames-irq '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_rx_frames_high_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_RX_FRAMES_HIGH="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"rx-frames-high '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_rx_usecs_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_RX_USECS="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"rx-usecs '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_rx_usecs_low_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_RX_USECS_LOW="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"rx-usecs-low '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_rx_usecs_irq_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_RX_USECS_IRQ="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"rx-usecs-irq '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_rx_usecs_high_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_RX_USECS_HIGH="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"rx-usecs-high '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_tx_frames_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_TX_FRAMES="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"tx-frames '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_tx_frames_low_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_TX_FRAMES_LOW="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"tx-frames-low '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_tx_frames_irq_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_TX_FRAMES_IRQ="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"tx-frames-irq '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_tx_frames_high_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_TX_FRAMES_HIGH="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"tx-frames-high '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_tx_usecs_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_TX_USECS="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"tx-usecs '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_tx_usecs_low_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_TX_USECS_LOW="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"tx-usecs-low '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_tx_usecs_irq_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_TX_USECS_IRQ="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"tx-usecs-irq '1024'" \
+		${EXECUTOR}
+}
+
+up_coalesce_tx_usecs_high_body() {
+	export IFACE="eth0" PHASE="up" IF_ETHTOOL_COALESCE_TX_USECS_HIGH="1024" MOCK="echo"
+	atf_check -s exit:0 \
+		-o match:'ethtool --coalesce eth0' \
+		-o match:"tx-usecs-high '1024'" \
+		${EXECUTOR}
+}