proto_media_input

Declaration

typedef errno_t (*proto_media_input)(ifnet_t ifp, protocol_family_t protocol, mbuf_t packet, char *header);

Parameters

• ifp:

  The interface the packet was received on.

• protocol_family:

  The protocol of the packet received.

• packet:

  The packet being input.

• header:

  The frame header.

Return Value

If the result is zero, the caller will assume the packet was passed to the protocol. If the result is non-zero and not EJUSTRETURN, the caller will free the packet.

Discussion

proto_media_input is called for all inbound packets for a specific protocol on a specific interface. This function is registered on an interface using ifnet_attach_protocol.