Import of Linux 2.2.12 subset (ipv4 stack and related)

1 files changed, 129 insertions, 0 deletions

diff --git a/pfinet/linux-src/include/linux/igmp.h b/pfinet/linux-src/include/linux/igmp.h
new file mode 100644
index 00000000..c13afde2
--- /dev/null
+++ b/pfinet/linux-src/include/linux/igmp.h
@@ -0,0 +1,129 @@
+/*
+ *	Linux NET3:	Internet Group Management Protocol  [IGMP]
+ *
+ *	Authors:
+ *		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
+ *	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.
+ */
+
+#ifndef _LINUX_IGMP_H
+#define _LINUX_IGMP_H
+
+/*
+ *	IGMP protocol structures
+ */
+
+/*
+ *	Header in on cable format
+ */
+
+struct igmphdr
+{
+	__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
+#define IGMP_HOST_NEW_MEMBERSHIP_REPORT 0x16	/* New version of 0x11 */
+#define IGMP_HOST_LEAVE_MESSAGE 	0x17
+
+#define IGMP_MTRACE_RESP		0x1e
+#define IGMP_MTRACE			0x1f
+
+
+/*
+ *	Use the BSD names for these for compatibility
+ */
+
+#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_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		400	/* If this host don't hear any IGMP V1	*/
+						/* message in this period of time,	*/
+						/* revert to IGMP v2 router.		*/
+
+#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
+ */
+
+#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
+{
+	struct ip_mc_socklist	*next;
+	int			count;
+	struct ip_mreqn		multi;
+};
+
+struct ip_mc_list
+{
+	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;
+	char			loaded;
+};
+
+extern __inline__ int ip_check_mc(struct device *dev, u32 mc_addr)
+{
+	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 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