ch_reg
#define CHELSIO_SETREG _IOW('f', CH_SETREG, struct ch_reg)
#define CHELSIO_GETREG _IOWR('f', CH_GETREG, struct ch_reg)
#define CHELSIO_GET_QSET_NUM _IOR('f', CH_GET_QSET_NUM, struct ch_reg)
struct ch_reg *edata = (struct ch_reg *)data;
struct ch_reg *edata = (struct ch_reg *)data;
struct ch_reg *edata = (struct ch_reg *)data;
struct ch_reg reg;
struct ch_reg reg;
struct ch_reg ch_reg;
ch_reg.addr = addr;
ch_reg.val = val;
if (doit(iff_name, CHELSIO_SETREG, &ch_reg) < 0)