Displaying 2 results from an estimated 2 matches for "offshift".
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kfgshift
1999 Nov 14
0
help: can some body tell me the how to fill params of u32 filter in kernel ?
...ant 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@china.com
2004 Nov 05
3
[PATCH] Use nfmark as a key for u32 classifier
Hello!
I am glad to announce a patch for u32 to allow matches on nfmark.
The patch is non intrusive (few lines).
Why I did this? Because fw classifier cannot be used together with u32.
For example, now, you cannot match a mark of 0x90 and a destination
port of 80. I know you can do it with iptables to do the marking, but if
you use Jamal actions to apply mark to policed packets, you need