Is this a puppy or an adult? Adult dogs rarely get ear mites. Since it is brown and smells funny I am going to say it is probably a yeast infection. There may be home remedies but it isn't anything I would do. She needs to see a vet for medication and they will give you cleaner also.
__________________ Crystal  , Ellie May (RIP)  , Rylee Finnegan  , and Gracie Boo🐶 |