Import of Linux/MIPS 2.1.14

1 files changed, 60 insertions, 25 deletions

diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index b8ee985aa..82569a653 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -1,8 +1,10 @@
 /*
- *	Linux NET3:	Internet Gateway Management Protocol  [IGMP]
+ *	Linux NET3:	Internet Group Management Protocol  [IGMP]
  *
  *	Authors:
- *		Alan Cox <Alan.Cox@linux.org>	
+ *		Alan Cox <Alan.Cox@linux.org>
+ *
+ *	Extended to talk the BSD extended IGMP protocol of mrouted 3.6
  *
  *
  *	This program is free software; you can redistribute it and/or
@@ -21,34 +23,56 @@
 /*
  *	Header in on cable format
  */
- 
+
 struct igmphdr
 {
-	unsigned char type;
-	unsigned char unused;
-	unsigned short csum;
-	unsigned long group;
+	__u8 type;
+	__u8 code;		/* For newer IGMP */
+	__u16 csum;
+	__u32 group;
 };
 
+#define IGMP_HOST_MEMBERSHIP_QUERY	0x11	/* From RFC1112 */
+#define IGMP_HOST_MEMBERSHIP_REPORT	0x12	/* Ditto */
+#define IGMP_DVMRP			0x13	/* DVMRP routing */
+#define IGMP_PIM			0x14	/* PIM routing */
+#define IGMP_TRACE			0x15	/* CISCO trace */
+#define IGMP_HOST_NEW_MEMBERSHIP_REPORT 0x16	/* New version of 0x11 */
+#define IGMP_HOST_LEAVE_MESSAGE 	0x17	/* An extra BSD seems to send */
+
+#define IGMP_MTRACE_RESP		0x1e
+#define IGMP_MTRACE			0x1f
+
+
 /*
- *	Header in host convenient format
+ *	Use the BSD names for these for compatibility
  */
 
-struct igmp_header
-{
-	unsigned char type;
-	unsigned char unused;
-	unsigned short csum;
-	unsigned long group;
-};
+#define IGMP_DELAYING_MEMBER		0x01
+#define IGMP_IDLE_MEMBER		0x02
+#define IGMP_LAZY_MEMBER		0x03
+#define IGMP_SLEEPING_MEMBER		0x04
+#define IGMP_AWAKENING_MEMBER		0x05
 
+#define IGMP_OLD_ROUTER 		0x00
+#define IGMP_NEW_ROUTER 		0x01
 
-#define IGMP_HOST_MEMBERSHIP_QUERY	0x11	/* From RFC1112 */
-#define IGMP_HOST_MEMBERSHIP_REPORT	0x12	/* Ditto */
-#define IGMP_HOST_LEAVE_MESSAGE		0x17	/* An extra BSD seems to send */
+#define IGMP_MINLEN			8
+
+#define IGMP_MAX_HOST_REPORT_DELAY	10	/* max delay for response to */
+						/* query (in seconds)	*/
+
+#define IGMP_TIMER_SCALE		10	/* denotes that the igmphdr->timer field */
+						/* specifies time in 10th of seconds	 */
+
+#define IGMP_AGE_THRESHOLD		540	/* If this host don't hear any IGMP V1	*/
+						/* message in this period of time,	*/
+						/* revert to IGMP v2 router.		*/
 
-				/* 224.0.0.1 */
 #define IGMP_ALL_HOSTS		htonl(0xE0000001L)
+#define IGMP_ALL_ROUTER 	htonl(0xE0000002L)
+#define IGMP_LOCAL_GROUP	htonl(0xE0000000L)
+#define IGMP_LOCAL_GROUP_MASK	htonl(0xFFFFFF00L)
 
 /*
  * struct for keeping the multicast list in
@@ -61,24 +85,35 @@ struct ip_mc_socklist
 	struct device *multidev[IP_MAX_MEMBERSHIPS];
 };
 
-struct ip_mc_list 
+struct ip_mc_list
 {
 	struct device *interface;
 	unsigned long multiaddr;
 	struct ip_mc_list *next;
 	struct timer_list timer;
-	int tm_running;
+	short tm_running;
+	short reporter;
 	int users;
 };
- 
+
+struct ip_router_info
+{
+	struct device *dev;
+	int    type;	/* type of router which is querier on this interface */
+	int    time;	/* # of slow timeouts since last old query */
+	struct timer_list timer;
+	struct ip_router_info *next;
+};
+
 extern struct ip_mc_list *ip_mc_head;
 
 
-extern int igmp_rcv(struct sk_buff *, struct device *, struct options *, unsigned long, unsigned short,
-	unsigned long, int , struct inet_protocol *);
-extern void ip_mc_drop_device(struct device *dev); 
+extern int igmp_rcv(struct sk_buff *, struct device *, struct options *, __u32, unsigned short,
+	__u32, int , struct inet_protocol *);
+extern void ip_mc_drop_device(struct device *dev);
 extern int ip_mc_join_group(struct sock *sk, struct device *dev, unsigned long addr);
 extern int ip_mc_leave_group(struct sock *sk, struct device *dev,unsigned long addr);
 extern void ip_mc_drop_socket(struct sock *sk);
+extern void ip_mr_init(void);
 #endif
 #endif