From: Alban Bedel Date: Sat, 8 Nov 2014 11:48:36 +0000 (+0100) Subject: 8139too: Allow using the largest possible MTU X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6f6e741f6de5ed5eedf7d19c9c0f8c73eaa0da7d;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 8139too: Allow using the largest possible MTU This driver allows MTU up to 1518 bytes which is not enought to run batman-adv. Simply raise the maximum packet size up to the maximum allowed by the transmit descriptor, 1792 bytes, giving a maximum MTU of 1774 bytes. Signed-off-by: Alban Bedel Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c index 8387de985c06..e157541b842b 100644 --- a/drivers/net/ethernet/realtek/8139too.c +++ b/drivers/net/ethernet/realtek/8139too.c @@ -183,7 +183,7 @@ static int debug = -1; #define NUM_TX_DESC 4 /* max supported ethernet frame size -- must be at least (dev->mtu+14+4).*/ -#define MAX_ETH_FRAME_SIZE 1536 +#define MAX_ETH_FRAME_SIZE 1792 /* max supported payload size */ #define MAX_ETH_DATA_SIZE (MAX_ETH_FRAME_SIZE - ETH_HLEN - ETH_FCS_LEN)