blob: 8caa85b469862ee785c0d739cf3a5170c025ad54 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Ouroboros - Copyright (C) 2016
*
* Policy for flat addresses in a distributed way
*
* Sander Vrijders <sander.vrijders@intec.ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define OUROBOROS_PREFIX "flat-addr-auth"
#include <ouroboros/config.h>
#include <ouroboros/logs.h>
#include <time.h>
#include <stdlib.h>
#include <math.h>
#include "shm_pci.h"
#include "ribmgr.h"
int flat_init(void)
{
srand(time(NULL));
return 0;
}
int flat_fini(void)
{
return 0;
}
uint64_t flat_address(void)
{
uint64_t addr;
uint64_t max_addr;
struct dt_const * dtc;
dtc = ribmgr_dt_const();
if (dtc == NULL)
return INVALID_ADDR;
max_addr = (1 << (8 * dtc->addr_size)) - 1;
addr = (rand() % (max_addr - 1)) + 1;
/* FIXME: Add check for uniqueness of address */
return addr;
}
|
