patch-2.1.68 linux/include/linux/igmp.h

• Lines: 103
• Date: Sun Nov 30 14:00:38 1997
• Orig file: v2.1.67/linux/include/linux/igmp.h
• Orig date: Thu Dec 12 06:54:20 1996

diff -u --recursive --new-file v2.1.67/linux/include/linux/igmp.h linux/include/linux/igmp.h
@@ -38,7 +38,7 @@
 #define IGMP_PIM			0x14	/* PIM routing */
 #define IGMP_TRACE			0x15
 #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_HOST_LEAVE_MESSAGE 	0x17
 
 #define IGMP_MTRACE_RESP		0x1e
 #define IGMP_MTRACE			0x1f
@@ -54,9 +54,6 @@
 #define IGMP_SLEEPING_MEMBER		0x04
 #define IGMP_AWAKENING_MEMBER		0x05
 
-#define IGMP_OLD_ROUTER 		0x00
-#define IGMP_NEW_ROUTER 		0x01
-
 #define IGMP_MINLEN			8
 
 #define IGMP_MAX_HOST_REPORT_DELAY	10	/* max delay for response to */
@@ -65,7 +62,7 @@
 #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	*/
+#define IGMP_AGE_THRESHOLD		400	/* If this host don't hear any IGMP V1	*/
 						/* message in this period of time,	*/
 						/* revert to IGMP v2 router.		*/
 
@@ -79,40 +76,53 @@
  */
 
 #ifdef __KERNEL__
+
+/* ip_mc_socklist is real list now. Speed is not argument;
+   this list never used in fast path code
+ */
+
 struct ip_mc_socklist
 {
-	unsigned long multiaddr[IP_MAX_MEMBERSHIPS];	/* This is a speed trade off */
-	struct device *multidev[IP_MAX_MEMBERSHIPS];
+	struct ip_mc_socklist	*next;
+	int			count;
+	struct ip_mreqn		multi;
 };
 
 struct ip_mc_list
 {
-	struct device *interface;
-	unsigned long multiaddr;
-	struct ip_mc_list *next;
-	struct timer_list timer;
-	int users;
-	char tm_running;
-	char reporter;
+	struct in_device	*interface;
+	unsigned long		multiaddr;
+	struct ip_mc_list	*next;
+	struct timer_list	timer;
+	int			users;
+	char			tm_running;
+	char			reporter;
+	char			unsolicit_count;
 };
 
-struct ip_router_info
+extern __inline__ int ip_check_mc(struct device *dev, u32 mc_addr)
 {
-	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;
+	struct in_device *in_dev = dev->ip_ptr;
+	struct ip_mc_list *im;
 
+	if (in_dev) {
+		for (im=in_dev->mc_list; im; im=im->next)
+			if (im->multiaddr == mc_addr)
+				return 1;
+	}
+	return 0;
+}
 
 extern int igmp_rcv(struct sk_buff *, unsigned short);
-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 int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr);
+extern int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr);
 extern void ip_mc_drop_socket(struct sock *sk);
 extern void ip_mr_init(void);
+extern void ip_mc_init_dev(struct in_device *);
+extern void ip_mc_destroy_dev(struct in_device *);
+extern void ip_mc_up(struct in_device *);
+extern void ip_mc_down(struct in_device *);
+extern int ip_mc_dec_group(struct in_device *in_dev, u32 addr);
+extern void ip_mc_inc_group(struct in_device *in_dev, u32 addr);
 #endif
 #endif