BOOL CNdisApi::SetAdapterMode ( PADAPTER_MODE pMode );
TRUE if call was successful,
Pointer to the user allocated and initialized ADAPTER_MODE structure.
The following fields of ADAPTER_MODE must be initialized:
ADAPTER_MODE.hAdapterHandle must be set to the interface handle (obtained via call to CNdisApi::GetTcpipBoundAdaptersInfo).
ADAPTER_MODE.dwFlags must be a combination of the XXX_LISTEN or XXX_TUNNEL flags:
MSTCP_FLAG_SENT_TUNNEL– queue all packets sent from MSTCP to network interface. Original packet dropped.
MSTCP_FLAG_RECV_TUNNEL– queue all packets indicated by network interface to MSTCP. Original packet dropped.
MSTCP_FLAG_SENT_LISTEN– queue all packets sent from MSTCP to network interface. Original packet goes ahead.
MSTCP_FLAG_RECV_LISTEN– queue all packets indicated by network interface to MSTCP. Original packet goes ahead.
MSTCP_FLAG_FILTER_DIRECT– In promiscuous mode TCP/IP stack receives all packets in the Ethernet segment and replies with various ICMP packets, to prevent this set this flag. All packets with destination MAC different from
FF-FF-FF-FF-FF-FFand network interface current MAC will never reach MSTCP.
By default, loopback packets are passed to original MSTCP handlers without processing, to change this behavior use these additional flags below:
MSTCP_FLAG_LOOPBACK_FILTER– if not set, then loopback packets are silently passed over, otherwise these packets are passed for further processing (queued for redirecting to the application if not dropped by the
MSTCP_FLAG_LOOPBACK_BLOCK– if set, then loopback packets (with exception to broadcast/multicast) are silently dropped.
MSTCP_FLAG_LOOPBACK_BLOCK | MSTCP_FLAG_LOOPBACK_FILTER– does not allow loopback packet to pass silently and results blocking them (with exception to broadcast/multicast).
This member calls the filter driver with
IOCTL_NDISRD_SET_ADAPTER_MODE control code (see details below).
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