ReactOS  0.4.14-dev-1233-gf5658fd
igmp.h
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2002 CITEL Technologies Ltd.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is a contribution to the lwIP TCP/IP stack.
30  * The Swedish Institute of Computer Science and Adam Dunkels
31  * are specifically granted permission to redistribute this
32  * source code.
33 */
34 
35 #ifndef __LWIP_IGMP_H__
36 #define __LWIP_IGMP_H__
37 
38 #include "lwip/opt.h"
39 #include "lwip/ip_addr.h"
40 #include "lwip/netif.h"
41 #include "lwip/pbuf.h"
42 
43 #if LWIP_IGMP /* don't build if not configured for use in lwipopts.h */
44 
45 #ifdef __cplusplus
46 extern "C" {
47 #endif
48 
49 
50 /* IGMP timer */
51 #define IGMP_TMR_INTERVAL 100 /* Milliseconds */
52 #define IGMP_V1_DELAYING_MEMBER_TMR (1000/IGMP_TMR_INTERVAL)
53 #define IGMP_JOIN_DELAYING_MEMBER_TMR (500 /IGMP_TMR_INTERVAL)
54 
55 /* MAC Filter Actions, these are passed to a netif's
56  * igmp_mac_filter callback function. */
57 #define IGMP_DEL_MAC_FILTER 0
58 #define IGMP_ADD_MAC_FILTER 1
59 
60 
72 struct igmp_group {
74  struct igmp_group *next;
76  struct netif *netif;
78  ip_addr_t group_address;
80  u8_t last_reporter_flag;
82  u8_t group_state;
84  u16_t timer;
86  u8_t use;
87 };
88 
89 /* Prototypes */
90 void igmp_init(void);
91 err_t igmp_start(struct netif *netif);
92 err_t igmp_stop(struct netif *netif);
93 void igmp_report_groups(struct netif *netif);
94 struct igmp_group *igmp_lookfor_group(struct netif *ifp, ip_addr_t *addr);
95 void igmp_input(struct pbuf *p, struct netif *inp, ip_addr_t *dest);
96 err_t igmp_joingroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr);
97 err_t igmp_leavegroup(ip_addr_t *ifaddr, ip_addr_t *groupaddr);
98 void igmp_tmr(void);
99 
100 #ifdef __cplusplus
101 }
102 #endif
103 
104 #endif /* LWIP_IGMP */
105 
106 #endif /* __LWIP_IGMP_H__ */
typedefPACK_STRUCT_END struct ip_addr ip_addr_t
Definition: ip_addr.h:64
s8_t err_t
Definition: err.h:47
Definition: pbuf.h:79
Definition: netif.h:136
GLenum const GLvoid * addr
Definition: glext.h:9621
static unsigned __int64 next
Definition: rand_nt.c:6
unsigned char u8_t
Definition: cc.h:23
static char * dest
Definition: rtl.c:135
unsigned short u16_t
Definition: cc.h:24
GLfloat GLfloat p
Definition: glext.h:8902