UpStall 188 drivers/net/ethernet/3com/3c515.c UpStall = 6 << 11, UpUnstall = (6 << 11) + 1, DownStall = (6 << 11) + 2, UpStall 450 drivers/net/ethernet/3com/3c59x.c UpStall = 6<<11, UpUnstall = (6<<11)+1,