diff --git a/boards/st/nucleo_n657x0_q/twister.yaml b/boards/st/nucleo_n657x0_q/twister.yaml
index 1b3b669ae47ec..7d2e14a76afe2 100644
--- a/boards/st/nucleo_n657x0_q/twister.yaml
+++ b/boards/st/nucleo_n657x0_q/twister.yaml
@@ -12,6 +12,7 @@ supported:
   - dma
   - i2c
   - gpio
+  - netif:eth
   - spi
   - uart
   - usb_device
diff --git a/boards/st/stm32n6570_dk/twister.yaml b/boards/st/stm32n6570_dk/twister.yaml
index 6044f38c7afb8..1e365ef742776 100644
--- a/boards/st/stm32n6570_dk/twister.yaml
+++ b/boards/st/stm32n6570_dk/twister.yaml
@@ -14,8 +14,9 @@ supported:
   - dma
   - i2c
   - gpio
-  - pwm
   - memc
+  - netif:eth
+  - pwm
   - spi
   - uart
   - usb_device
diff --git a/drivers/ethernet/eth_stm32_hal_common.c b/drivers/ethernet/eth_stm32_hal_common.c
index dba7cf1f90fd9..966083abb3f4b 100644
--- a/drivers/ethernet/eth_stm32_hal_common.c
+++ b/drivers/ethernet/eth_stm32_hal_common.c
@@ -46,8 +46,8 @@ uint8_t dma_rx_buffer[ETH_RXBUFNB][ETH_STM32_RX_BUF_SIZE] __eth_stm32_buf;
 uint8_t dma_tx_buffer[ETH_TXBUFNB][ETH_STM32_TX_BUF_SIZE] __eth_stm32_buf;
 
 #if DT_HAS_COMPAT_STATUS_OKAY(st_stm32n6_ethernet)
-ETH_DMADescTypeDef dma_rx_desc_tab[ETH_DMA_RX_CH_CNT][ETH_RXBUFNB] ALIGN_32BYTES(__eth_stm32_desc);
-ETH_DMADescTypeDef dma_tx_desc_tab[ETH_DMA_TX_CH_CNT][ETH_TXBUFNB] ALIGN_32BYTES(__eth_stm32_desc);
+ETH_DMADescTypeDef dma_rx_desc_tab[ETH_DMA_RX_CH_CNT][ETH_RXBUFNB] __eth_stm32_desc __aligned(32);
+ETH_DMADescTypeDef dma_tx_desc_tab[ETH_DMA_TX_CH_CNT][ETH_TXBUFNB] __eth_stm32_desc __aligned(32);
 #else
 ETH_DMADescTypeDef dma_rx_desc_tab[ETH_RXBUFNB] __eth_stm32_desc;
 ETH_DMADescTypeDef dma_tx_desc_tab[ETH_TXBUFNB] __eth_stm32_desc;
diff --git a/drivers/ethernet/eth_stm32_hal_priv.h b/drivers/ethernet/eth_stm32_hal_priv.h
index f94ff046bef84..3ee7f16d71519 100644
--- a/drivers/ethernet/eth_stm32_hal_priv.h
+++ b/drivers/ethernet/eth_stm32_hal_priv.h
@@ -44,18 +44,6 @@ extern const struct device *eth_stm32_phy_dev;
 #define __eth_stm32_buf  __aligned(4)
 #endif
 
-#if DT_HAS_COMPAT_STATUS_OKAY(st_stm32n6_ethernet)
-#define STM32_ETH_PHY_MODE(inst) \
-	((DT_INST_ENUM_HAS_VALUE(inst, phy_connection_type, rgmii) ? ETH_RGMII_MODE : \
-	 (DT_INST_ENUM_HAS_VALUE(inst, phy_connection_type, gmii) ? ETH_GMII_MODE : \
-	 (DT_INST_ENUM_HAS_VALUE(inst, phy_connection_type, mii) ? ETH_MII_MODE : \
-		 ETH_RMII_MODE))))
-#else
-#define STM32_ETH_PHY_MODE(inst) \
-	(DT_INST_ENUM_HAS_VALUE(inst, phy_connection_type, mii) ? \
-		ETH_MII_MODE : ETH_RMII_MODE)
-#endif
-
 #if defined(CONFIG_ETH_STM32_HAL_API_V1)
 
 #define ETH_MII_MODE	ETH_MEDIA_INTERFACE_MII
@@ -77,23 +65,37 @@ struct eth_stm32_tx_context {
 
 #endif /* CONFIG_ETH_STM32_HAL_API_V2 */
 
+#if DT_HAS_COMPAT_STATUS_OKAY(st_stm32n6_ethernet)
+
+#define ETH_GMII_MODE	HAL_ETH_GMII_MODE
+#define ETH_RGMII_MODE	HAL_ETH_RGMII_MODE
+
+#define STM32_ETH_PHY_MODE(inst) \
+	((DT_INST_ENUM_HAS_VALUE(inst, phy_connection_type, rgmii) ? ETH_RGMII_MODE : \
+	 (DT_INST_ENUM_HAS_VALUE(inst, phy_connection_type, gmii) ? ETH_GMII_MODE : \
+	 (DT_INST_ENUM_HAS_VALUE(inst, phy_connection_type, mii) ? ETH_MII_MODE : \
+								ETH_RMII_MODE))))
+#else
+#define STM32_ETH_PHY_MODE(inst) \
+	(DT_INST_ENUM_HAS_VALUE(inst, phy_connection_type, mii) ? \
+		ETH_MII_MODE : ETH_RMII_MODE)
+#endif
+
 /* Definition of the Ethernet driver buffers size and count */
 #define ETH_STM32_RX_BUF_SIZE	ETH_MAX_PACKET_SIZE /* buffer size for receive */
 #define ETH_STM32_TX_BUF_SIZE	ETH_MAX_PACKET_SIZE /* buffer size for transmit */
 
 BUILD_ASSERT(ETH_STM32_RX_BUF_SIZE % 4 == 0, "Rx buffer size must be a multiple of 4");
 
-extern uint8_t dma_rx_buffer[ETH_RXBUFNB][ETH_STM32_RX_BUF_SIZE] __eth_stm32_buf;
-extern uint8_t dma_tx_buffer[ETH_TXBUFNB][ETH_STM32_TX_BUF_SIZE] __eth_stm32_buf;
+extern uint8_t dma_rx_buffer[ETH_RXBUFNB][ETH_STM32_RX_BUF_SIZE];
+extern uint8_t dma_tx_buffer[ETH_TXBUFNB][ETH_STM32_TX_BUF_SIZE];
 
 #if DT_HAS_COMPAT_STATUS_OKAY(st_stm32n6_ethernet)
-extern ETH_DMADescTypeDef dma_rx_desc_tab[ETH_DMA_RX_CH_CNT][ETH_RXBUFNB]
-								ALIGN_32BYTES(__eth_stm32_desc);
-extern ETH_DMADescTypeDef dma_tx_desc_tab[ETH_DMA_TX_CH_CNT][ETH_TXBUFNB]
-								ALIGN_32BYTES(__eth_stm32_desc);
+extern ETH_DMADescTypeDef dma_rx_desc_tab[ETH_DMA_RX_CH_CNT][ETH_RXBUFNB];
+extern ETH_DMADescTypeDef dma_tx_desc_tab[ETH_DMA_TX_CH_CNT][ETH_TXBUFNB];
 #else
-extern ETH_DMADescTypeDef dma_rx_desc_tab[ETH_RXBUFNB] __eth_stm32_desc;
-extern ETH_DMADescTypeDef dma_tx_desc_tab[ETH_TXBUFNB] __eth_stm32_desc;
+extern ETH_DMADescTypeDef dma_rx_desc_tab[ETH_RXBUFNB];
+extern ETH_DMADescTypeDef dma_tx_desc_tab[ETH_TXBUFNB];
 #endif
 
 /* Device constant configuration parameters */
diff --git a/drivers/ethernet/eth_stm32_hal_v2.c b/drivers/ethernet/eth_stm32_hal_v2.c
index f53fc3b0efab5..bc95ac2ca8394 100644
--- a/drivers/ethernet/eth_stm32_hal_v2.c
+++ b/drivers/ethernet/eth_stm32_hal_v2.c
@@ -19,11 +19,6 @@
 
 LOG_MODULE_DECLARE(eth_stm32_hal, CONFIG_ETHERNET_LOG_LEVEL);
 
-#if DT_HAS_COMPAT_STATUS_OKAY(st_stm32n6_ethernet)
-#define ETH_GMII_MODE	HAL_ETH_GMII_MODE
-#define ETH_RGMII_MODE	HAL_ETH_RGMII_MODE
-#endif
-
 #define ETH_DMA_TX_TIMEOUT_MS	20U  /* transmit timeout in milliseconds */
 
 struct eth_stm32_rx_buffer_header {