[PATCH net-next v2 3/5] TEST ONLY: lan743x: limit rx ring buffer size to 500 bytes

[Sven Van Asbroeck]

From: Sven Van Asbroeck <thesven73@xxxxxxxxx>

Signed-off-by: Sven Van Asbroeck <thesven73@xxxxxxxxx>
---

To: Bryan Whitehead <bryan.whitehead@xxxxxxxxxxxxx>
To: UNGLinuxDriver@xxxxxxxxxxxxx
To: "David S. Miller" <davem@xxxxxxxxxxxxx>
To: Jakub Kicinski <kuba@xxxxxxxxxx>
Cc: Andrew Lunn <andrew@xxxxxxx>
Cc: Alexey Denisov <rtgbnm@xxxxxxxxx>
Cc: Sergej Bauer <sbauer@xxxxxxxxxxx>
Cc: Tim Harvey <tharvey@xxxxxxxxxxxxx>
Cc: Anders Rønningen <anders@xxxxxxxxxxxxxxxxx>
Cc: Hillf Danton <hdanton@xxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx

 drivers/net/ethernet/microchip/lan743x_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 36cc67c72851..90d49231494d 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -1973,7 +1973,7 @@ static int lan743x_rx_init_ring_element(struct lan743x_rx *rx, int index)
 	struct sk_buff *skb;
 	dma_addr_t dma_ptr;
 
-	buffer_length = netdev->mtu + ETH_HLEN + 4 + RX_HEAD_PADDING;
+	buffer_length = 500 + ETH_HLEN + 4 + RX_HEAD_PADDING;
 
 	descriptor = &rx->ring_cpu_ptr[index];
 	buffer_info = &rx->buffer_info[index];
-- 
2.17.1