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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/* $Id$ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pj/sock_qos.h>
#include <pj/assert.h>
#include <pj/errno.h>
#include <pj/log.h>
#include <pj/string.h>
#define THIS_FILE "sock_qos_common.c"
#define ALL_FLAGS (PJ_QOS_PARAM_HAS_DSCP | PJ_QOS_PARAM_HAS_SO_PRIO | \
PJ_QOS_PARAM_HAS_WMM)
/* "Standard" mapping between traffic type and QoS params */
static const pj_qos_params qos_map[] =
{
/* flags dscp prio wmm_prio */
{ALL_FLAGS, 0x00, 0, PJ_QOS_WMM_PRIO_BULK_EFFORT}, /* BE */
{ALL_FLAGS, 0x08, 2, PJ_QOS_WMM_PRIO_BULK}, /* BK */
{ALL_FLAGS, 0x28, 5, PJ_QOS_WMM_PRIO_VIDEO}, /* VI */
{ALL_FLAGS, 0x30, 6, PJ_QOS_WMM_PRIO_VOICE}, /* VO */
{ALL_FLAGS, 0x38, 7, PJ_QOS_WMM_PRIO_VOICE}, /* CO */
{ALL_FLAGS, 0x28, 5, PJ_QOS_WMM_PRIO_VIDEO} /* SIG */
};
/* Retrieve the mapping for the specified type */
PJ_DEF(pj_status_t) pj_qos_get_params(pj_qos_type type,
pj_qos_params *p_param)
{
PJ_ASSERT_RETURN(type<=PJ_QOS_TYPE_CONTROL && p_param, PJ_EINVAL);
pj_memcpy(p_param, &qos_map[type], sizeof(*p_param));
return PJ_SUCCESS;
}
/* Get the matching traffic type */
PJ_DEF(pj_status_t) pj_qos_get_type( const pj_qos_params *param,
pj_qos_type *p_type)
{
unsigned dscp_type = PJ_QOS_TYPE_BEST_EFFORT,
prio_type = PJ_QOS_TYPE_BEST_EFFORT,
wmm_type = PJ_QOS_TYPE_BEST_EFFORT;
unsigned i, count=0;
PJ_ASSERT_RETURN(param && p_type, PJ_EINVAL);
if (param->flags & PJ_QOS_PARAM_HAS_DSCP) {
for (i=0; i<=PJ_QOS_TYPE_CONTROL; ++i) {
if (param->dscp_val >= qos_map[i].dscp_val)
dscp_type = (pj_qos_type)i;
}
++count;
}
if (param->flags & PJ_QOS_PARAM_HAS_SO_PRIO) {
for (i=0; i<=PJ_QOS_TYPE_CONTROL; ++i) {
if (param->so_prio >= qos_map[i].so_prio)
prio_type = (pj_qos_type)i;
}
++count;
}
if (param->flags & PJ_QOS_PARAM_HAS_WMM) {
for (i=0; i<=PJ_QOS_TYPE_CONTROL; ++i) {
if (param->wmm_prio >= qos_map[i].wmm_prio)
wmm_type = (pj_qos_type)i;
}
++count;
}
if (count)
*p_type = (pj_qos_type)((dscp_type + prio_type + wmm_type) / count);
else
*p_type = PJ_QOS_TYPE_BEST_EFFORT;
return PJ_SUCCESS;
}
/* Apply QoS */
PJ_DEF(pj_status_t) pj_sock_apply_qos( pj_sock_t sock,
pj_qos_type qos_type,
pj_qos_params *qos_params,
unsigned log_level,
const char *log_sender,
const char *sock_name)
{
pj_status_t qos_type_rc = PJ_SUCCESS,
qos_params_rc = PJ_SUCCESS;
if (!log_sender)
log_sender = THIS_FILE;
if (!sock_name)
sock_name = "socket";
if (qos_type != PJ_QOS_TYPE_BEST_EFFORT) {
qos_type_rc = pj_sock_set_qos_type(sock, qos_type);
if (qos_type_rc != PJ_SUCCESS) {
pj_perror(log_level, log_sender, qos_type_rc,
"Error setting QoS type %d to %s",
qos_type, sock_name);
}
}
if (qos_params && qos_params->flags) {
qos_params_rc = pj_sock_set_qos_params(sock, qos_params);
if (qos_params_rc != PJ_SUCCESS) {
pj_perror(log_level, log_sender, qos_params_rc,
"Error setting QoS params (flags=%d) to %s",
qos_params->flags, sock_name);
if (qos_type_rc != PJ_SUCCESS)
return qos_params_rc;
}
} else if (qos_type_rc != PJ_SUCCESS)
return qos_type_rc;
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pj_sock_apply_qos2( pj_sock_t sock,
pj_qos_type qos_type,
const pj_qos_params *qos_params,
unsigned log_level,
const char *log_sender,
const char *sock_name)
{
pj_qos_params qos_params_buf, *qos_params_copy = NULL;
if (qos_params) {
pj_memcpy(&qos_params_buf, qos_params, sizeof(*qos_params));
qos_params_copy = &qos_params_buf;
}
return pj_sock_apply_qos(sock, qos_type, qos_params_copy,
log_level, log_sender, sock_name);
}
|
