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84 lines
2.8 KiB
C
Executable file
84 lines
2.8 KiB
C
Executable file
/*
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* Copyright 2017 RWTH Aachen University
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* Author(s): Tim van de Kamp <tim.van.de.kamp@rwth-aachen.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This code based mostly on the online manual http://www.lowlevel.eu/wiki/RTL8139
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*/
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#ifndef __NET_UHYVE_NET_H__
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#define __NET_UHYVE_NET_H__
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#include <hermit/stddef.h>
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#include <hermit/spinlock.h>
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#define MIN(a, b) (a) < (b) ? (a) : (b)
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#define RX_BUF_LEN 3276
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// UHYVE_PORT_NETINFO
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typedef struct {
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/* OUT */
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char mac_str[18];
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} __attribute__((packed)) uhyve_netinfo_t;
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// UHYVE_PORT_NETWRITE
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typedef struct {
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/* IN */
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const void* data;
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size_t len;
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/* OUT */
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int ret;
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} __attribute__((packed)) uhyve_netwrite_t;
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// UHYVE_PORT_NETREAD
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typedef struct {
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/* IN */
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void* data;
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/* IN / OUT */
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size_t len;
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/* OUT */
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int ret;
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} __attribute__((packed)) uhyve_netread_t;
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// UHYVE_PORT_NETSTAT
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typedef struct {
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/* IN */
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int status;
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} __attribute__((packed)) uhyve_netstat_t;
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/*
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* Helper struct to hold private data used to operate your ethernet interface.
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*/
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// NETIF state struct
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typedef struct uhyve_netif {
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struct eth_addr *ethaddr;
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/* Add whatever per-interface state that is needed here. */
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uint8_t* rx_buf;
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} uhyve_netif_t;
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err_t uhyve_netif_init(struct netif* netif);
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int uhyve_net_stat(void);
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#endif
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