TCPIP_IPV4_PacketGetSourceAddress Function

C

TCPIP_IPV4_PacketGetSourceAddress(
    TCPIP_MAC_PACKET* pPkt
);

Description

The function will return a pointer to where the IPv4 source address is located in the TCPIP_MAC_PACKET. The TCPIP_MAC_PACKET is supposed to be a valid IPv4 packet that has properly source address set.

Preconditions

pPkt - valid IPv4 packet. pNetLayer filed properly set.

Parameters

ParametersDescription
pPktPacket to query.

Returns

  • A valid pointer to an IPV$_ADDR - If it succeeds.

  • 0 - If call failed.

Remarks

This function is primarily meant for RX packets.