drivers: ethernet: stm32: Additional structures for new HAL driver
They allow managing the tx and rx buffers from both
driver parts (zephyr and stm32cube)
Signed-off-by: Bjarne von Horn <B.von_horn@wzl.rwth-aachen.de>
diff --git a/drivers/ethernet/eth_stm32_hal.c b/drivers/ethernet/eth_stm32_hal.c
index d439e87..e693edf 100644
--- a/drivers/ethernet/eth_stm32_hal.c
+++ b/drivers/ethernet/eth_stm32_hal.c
@@ -91,7 +91,32 @@
static uint8_t dma_rx_buffer[ETH_RXBUFNB][ETH_STM32_RX_BUF_SIZE] __eth_stm32_buf;
static uint8_t dma_tx_buffer[ETH_TXBUFNB][ETH_STM32_TX_BUF_SIZE] __eth_stm32_buf;
-#if defined(CONFIG_SOC_SERIES_STM32H7X)
+#if defined(CONFIG_ETH_STM32_HAL_API_V2)
+
+BUILD_ASSERT(ETH_STM32_RX_BUF_SIZE % 4 == 0, "Rx buffer size must be a multiple of 4");
+
+struct eth_stm32_rx_buffer_header {
+ struct eth_stm32_rx_buffer_header *next;
+ uint16_t size;
+ bool used;
+};
+
+struct eth_stm32_tx_buffer_header {
+ ETH_BufferTypeDef tx_buff;
+ bool used;
+};
+
+struct eth_stm32_tx_context {
+ struct net_pkt *pkt;
+ uint16_t first_tx_buffer_index;
+};
+
+static struct eth_stm32_rx_buffer_header dma_rx_buffer_header[ETH_RXBUFNB];
+static struct eth_stm32_tx_buffer_header dma_tx_buffer_header[ETH_TXBUFNB];
+
+#endif /* CONFIG_ETH_STM32_HAL_API_V2 */
+
+#if defined(CONFIG_SOC_SERIES_STM32H7X) || defined(CONFIG_ETH_STM32_HAL_API_V2)
static ETH_TxPacketConfig tx_config;
#endif
