Messages in this thread Patch in this message | | | From | Alban Bedel <> | Subject | [PATCH 2/2] 8139too: Allow using the largest possible MTU | Date | Sat, 8 Nov 2014 12:48:36 +0100 |
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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 <albeu@free.fr> --- drivers/net/ethernet/realtek/8139too.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c index 8387de9..e157541 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) -- 2.0.0
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