Sets the handle of HNUserFilter object.

Syntax:

HANDLE __stdcall AdpSetUserFilter(HANDLE hAdp, HANDLE hFtr);

Parameters:

hAdp

[in] HNAdapter object handle.

hFtr

[in] HNUserFilter object handle.

Return values:

If the function succeeds the return value will be the handle of the HNUserFilter object. Otherwise the return value will be NULL.

Description:

Use AdpSetUserFilter to set a user-settable packet filter for the network adapter.

Please remember, that UserFilter must be used with the UserFilterActive property.

// Create IP filter
HANDLE hBpf = BpfCreate();
...
BpfAddCmd(hBpf,BPF_LD+BPF_H+BPF_ABS, 12);
BpfAddJmp(hBpf,BPF_JMP+BPF_JEQ+BPF_K, ETHERTYPE_IP, 0, 1);
BpfAddCmd(hBpf,BPF_RET+BPF_K, -1);
BpfAddCmd(hBpf,BPF_RET+BPF_K, 0);

AdpSetUserFilter(hAdp,hBpf);
AdpSetUserFilterActive(hAdp,TRUE);
AdpSetMacFilter(hAdp,mfAll);