commit 202abc9acce7177adc8120e5efdd719b3ec9f132
author Bjarne von Horn <B.von_horn@wzl.rwth-aachen.de> Sat Aug 13 18:49:55 2022 +0200
committer Carles Cufí <carles.cufi@nordicsemi.no> Mon Dec 05 18:31:38 2022 +0100
tree 6c043c9f0c8a259ef1c271b56b1c78ea7608bdcd
parent 1a9420af8dd4063f0ec7d0583b1cdfca44655dea

drivers: ethernet: stm32: Transmit frames larger than one buffer

Now, multiple tx buffers can be used to send packets,
so that the packet size can exceed tx buffer size.

Signed-off-by: Bjarne von Horn <B.von_horn@wzl.rwth-aachen.de>

drivers/ethernet/eth_stm32_hal.c

diff --git a/drivers/ethernet/eth_stm32_hal.c b/drivers/ethernet/eth_stm32_hal.c
index 9a89cb3..d9ab233 100644
--- a/drivers/ethernet/eth_stm32_hal.c
+++ b/drivers/ethernet/eth_stm32_hal.c
@@ -312,7 +312,7 @@
 	heth = &dev_data->heth;
 
 	total_len = net_pkt_get_len(pkt);
-	if (total_len > ETH_STM32_TX_BUF_SIZE) {
+	if (total_len > (ETH_STM32_TX_BUF_SIZE * ETH_TXBUFNB)) {
 		LOG_ERR("PKT too big");
 		return -EIO;
 	}