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Annotation of qemu/roms/SLOF/clients/net-snk/app/netlib/ethernet.h, revision 1.1

1.1     ! root        1: /******************************************************************************
        !             2:  * Copyright (c) 2004, 2008 IBM Corporation
        !             3:  * All rights reserved.
        !             4:  * This program and the accompanying materials
        !             5:  * are made available under the terms of the BSD License
        !             6:  * which accompanies this distribution, and is available at
        !             7:  * http://www.opensource.org/licenses/bsd-license.php
        !             8:  *
        !             9:  * Contributors:
        !            10:  *     IBM Corporation - initial implementation
        !            11:  *****************************************************************************/
        !            12: 
        !            13: #ifndef _ETHERNET_H
        !            14: #define _ETHERNET_H
        !            15: 
        !            16: #include <types.h>
        !            17: 
        !            18: #define ETH_MTU_SIZE     1518   /**< Maximum Transfer Unit         */
        !            19: #define ETH_ALEN            6   /**< HW address length             */
        !            20: #define ETHERTYPE_IP   0x0800
        !            21: #define ETHERTYPE_IPv6 0x86DD
        !            22: #define ETHERTYPE_ARP  0x0806
        !            23: 
        !            24: /** \struct ethhdr
        !            25:  *  A header for Ethernet-packets.
        !            26:  */
        !            27: struct ethhdr {
        !            28:        uint8_t dest_mac[ETH_ALEN];   /**< Destination HW address        */
        !            29:        uint8_t src_mac[ETH_ALEN];    /**< Source HW address             */
        !            30:        uint16_t type;                /**< Next level protocol type      */
        !            31: };
        !            32: 
        !            33: /* Initializes ethernet layer */
        !            34: extern void set_mac_address(const uint8_t * own_mac);
        !            35: extern const uint8_t * get_mac_address(void);
        !            36: 
        !            37: /* Receives and handles packets, according to Receive-handle diagram */
        !            38: extern int32_t receive_ether(void);
        !            39: 
        !            40: /* Sends an ethernet frame. */
        !            41: extern int send_ether(void* buffer, int len);
        !            42: 
        !            43: /* fills ethernet header */
        !            44: extern void fill_ethhdr(uint8_t * packet, uint16_t eth_type,
        !            45:                         const uint8_t * src_mac, const uint8_t * dest_mac);
        !            46: 
        !            47: #endif

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