68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
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* \brief DDE iPXE NIC API
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* \author Christian Helmuth
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* \date 2010-09-05
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*
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*/
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/*
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* Copyright (C) 2010-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _DDE_IPXE__NIC_H_
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#define _DDE_IPXE__NIC_H_
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/**
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* Packet reception callback
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*
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* \param if_index index of the receiving network interface
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* \param packet buffer containing the packet
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* \param packet_len packet length
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*/
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typedef void (*dde_ipxe_nic_rx_cb)(unsigned if_index, const char *packet, unsigned packet_len);
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/**
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* Register packet reception callback
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*
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* \param cb new callback function
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*
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* \return old callback function pointer
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*
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* This registers a function pointer as rx callback. Incoming ethernet packets
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* are passed to this function.
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*/
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extern dde_ipxe_nic_rx_cb dde_ipxe_nic_register_rx_callback(dde_ipxe_nic_rx_cb cb);
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/**
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* Send packet
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*
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* \param if_index index of the network interface to be used for sending
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* \param packet buffer containing the packet
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* \param packet_len packet length
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*
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* \return 0 on success, -1 otherwise
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*/
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extern int dde_ipxe_nic_tx(unsigned if_index, const char *packet, unsigned packet_len);
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/**
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* Get MAC address of device
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*
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* \param if_index index of the network interface
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* \param out_mac_addr buffer for MAC address (buffer size must be 6 byte)
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*
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* \return 0 on success, -1 otherwise
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*/
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extern int dde_ipxe_nic_get_mac_addr(unsigned if_index, char *out_mac_addr);
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/**
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* Initialize network sub-system
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*
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* \return number of network devices
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*/
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extern int dde_ipxe_nic_init(void);
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#endif /* _DDE_IPXE__NIC_H_ */
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