Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> writes: > So 129 bytes are sent from barebox, right? Which network driver driver > is involved on the barebox side here? How did you force sending excatly > 129 bytes? drivers/net/bcmgenet.c; I made a diff --git a/drivers/net/bcmgenet.c b/drivers/net/bcmgenet.c index 9e0bacb31adf..988324cd22d4 100644 --- a/drivers/net/bcmgenet.c +++ b/drivers/net/bcmgenet.c @@ -272,6 +272,10 @@ static int bcmgenet_gmac_eth_send(struct eth_device *edev, void *packet, int len u32 tries = 100; dma_addr_t dma; + if (length == 129) + print_hex_dump(KERN_INFO, "D ", DUMP_PREFIX_OFFSET, + 16, 4, packet + 125, 4, 1); + prod_index = readl(priv->mac_reg + TDMA_PROD_INDEX); dma = dma_map_single(priv->dev, packet, length, DMA_TO_DEVICE); there to verify the input data and checked with tcpdump on the other end (which differed in around 70% of the cases in the last byte). Packets with arbitrary length can be constructed easily by custom tftp filenames. Enrico
