MLXSW_EMAD_ETH_HDR_LEN
char *eth_hdr = skb_push(skb, MLXSW_EMAD_ETH_HDR_LEN);
offsets->op_tlv = MLXSW_EMAD_ETH_HDR_LEN;
offsets->reg_tlv = MLXSW_EMAD_ETH_HDR_LEN +
emad_len = (reg_len + sizeof(u32) + MLXSW_EMAD_ETH_HDR_LEN +