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4d65a7c695
Apply the following automated changes to try to eliminate no-longer-needed sys/cdefs.h includes as well as now-empty blank lines in a row. Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/ Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/ Remove /\n+#if.*\n#endif.*\n+/ Remove /^#if.*\n#endif.*\n/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/ Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/ Sponsored by: Netflix
121 lines
3 KiB
C
121 lines
3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2011 NetApp, Inc.
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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
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* are met:
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* 1. 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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* 2. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <net/ethernet.h>
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#include <assert.h>
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#include <errno.h>
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#include <limits.h>
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#include <md5.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "bhyverun.h"
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#include "config.h"
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#include "debug.h"
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#include "net_utils.h"
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int
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net_parsemac(const char *mac_str, uint8_t *mac_addr)
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{
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struct ether_addr *ea;
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char zero_addr[ETHER_ADDR_LEN] = { 0, 0, 0, 0, 0, 0 };
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if (mac_str == NULL)
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return (EINVAL);
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ea = ether_aton(mac_str);
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if (ea == NULL || ETHER_IS_MULTICAST(ea->octet) ||
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memcmp(ea->octet, zero_addr, ETHER_ADDR_LEN) == 0) {
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EPRINTLN("Invalid MAC %s", mac_str);
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return (EINVAL);
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} else
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memcpy(mac_addr, ea->octet, ETHER_ADDR_LEN);
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return (0);
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}
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int
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net_parsemtu(const char *mtu_str, unsigned long *mtu)
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{
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char *end;
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unsigned long val;
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assert(mtu_str != NULL);
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if (*mtu_str == '-')
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goto err;
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val = strtoul(mtu_str, &end, 0);
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if (*end != '\0')
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goto err;
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if (val == ULONG_MAX)
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return (ERANGE);
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if (val == 0 && errno == EINVAL)
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return (EINVAL);
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*mtu = val;
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return (0);
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err:
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errno = EINVAL;
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return (EINVAL);
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}
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void
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net_genmac(struct pci_devinst *pi, uint8_t *macaddr)
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{
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/*
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* The default MAC address is the standard NetApp OUI of 00-a0-98,
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* followed by an MD5 of the PCI slot/func number and dev name
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*/
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MD5_CTX mdctx;
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unsigned char digest[16];
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char nstr[80];
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snprintf(nstr, sizeof(nstr), "%d-%d-%s", pi->pi_slot,
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pi->pi_func, get_config_value("name"));
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MD5Init(&mdctx);
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MD5Update(&mdctx, nstr, (unsigned int)strlen(nstr));
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MD5Final(digest, &mdctx);
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macaddr[0] = 0x00;
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macaddr[1] = 0xa0;
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macaddr[2] = 0x98;
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macaddr[3] = digest[0];
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macaddr[4] = digest[1];
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macaddr[5] = digest[2];
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}
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