mirror of
https://git.proxmox.com/git/mirror_frr
synced 2025-11-03 23:47:16 +00:00
c317d3f246
This allows Zebra to manage QDISC, TCLASS, TFILTER in kernel and do cleaning jobs when it starts up. Signed-off-by: Siger Yang <siger.yang@outlook.com>
89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
/*
|
|
* Traffic Control (TC) main library
|
|
* Copyright (C) 2022 Shichu Yang
|
|
*
|
|
* 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; see the file COPYING; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "tc.h"
|
|
|
|
int tc_getrate(const char *str, uint64_t *rate)
|
|
{
|
|
char *endp;
|
|
uint64_t raw = strtoull(str, &endp, 10);
|
|
|
|
if (endp == str)
|
|
return -1;
|
|
|
|
/* if the string only contains a number, it must be valid rate (bps) */
|
|
bool valid = (*endp == '\0');
|
|
|
|
const char *p = endp;
|
|
bool bytes = false, binary_base = false;
|
|
int power = 0;
|
|
|
|
while (*p) {
|
|
if (strcmp(p, "Bps") == 0) {
|
|
bytes = true;
|
|
valid = true;
|
|
break;
|
|
} else if (strcmp(p, "bit") == 0) {
|
|
valid = true;
|
|
break;
|
|
}
|
|
switch (*p) {
|
|
case 'k':
|
|
case 'K':
|
|
power = 1;
|
|
break;
|
|
case 'm':
|
|
case 'M':
|
|
power = 2;
|
|
break;
|
|
case 'g':
|
|
case 'G':
|
|
power = 3;
|
|
break;
|
|
case 't':
|
|
case 'T':
|
|
power = 4;
|
|
break;
|
|
case 'i':
|
|
case 'I':
|
|
if (power != 0)
|
|
binary_base = true;
|
|
else
|
|
return -1;
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
p++;
|
|
}
|
|
|
|
if (!valid)
|
|
return -1;
|
|
|
|
for (int i = 0; i < power; i++)
|
|
raw *= binary_base ? 1024ULL : 1000ULL;
|
|
|
|
if (bytes)
|
|
*rate = raw;
|
|
else
|
|
*rate = raw / 8ULL;
|
|
|
|
return 0;
|
|
}
|