[LARTC] help: can some body tell me the how to fill params of u32 filter in kernel ?

["zxlchinese" <zxlchinese@xxxxxxxxx>]

      i'm a chinese programmer, i want to write a system call to create an filter attach with some

 

qdisc, but i don't know the filter param's struct in the kernel.

 

i just know the struct

 

struct tc_u32_key
{
 __u32  mask;
 __u32  val;
 int  off;
 int  offmask;
};

 

struct tc_u32_sel
{
 unsigned char  flags;
 unsigned char  offshift;
 unsigned char  nkeys;

 

 __u16   offmask;
 __u16   off;
 short   offoff;

 

 short   hoff;
 __u32   hmask;

 

 struct tc_u32_key keys[0];
};

 

but i don't know how to fill it ,

 

the struct's mean?

 

can you tell me

 

               zxl zxlchinese@xxxxxxxxx