The R-Mobile A1 (R8A7740) SoC manual describes the Ether MAC's RX checksum offload the same way as it's implemented in the EtherAVB MAC... Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/renesas/sh_eth.c | 1 + 1 file changed, 1 insertion(+) Index: net-next/drivers/net/ethernet/renesas/sh_eth.c =================================================================== --- net-next.orig/drivers/net/ethernet/renesas/sh_eth.c +++ net-next/drivers/net/ethernet/renesas/sh_eth.c @@ -670,6 +670,7 @@ static struct sh_eth_cpu_data r8a7740_da .no_ade = 1, .xdfar_rw = 1, .csmr = 1, + .rx_csum = 1, .tsu = 1, .select_mii = 1, .magic = 1,