patch-1.3.22 linux/include/linux/mroute.h
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- Lines: 135
- Date:
Fri Sep 1 14:50:46 1995
- Orig file:
v1.3.21/linux/include/linux/mroute.h
- Orig date:
Thu Jan 1 02:00:00 1970
diff -u --recursive --new-file v1.3.21/linux/include/linux/mroute.h linux/include/linux/mroute.h
@@ -0,0 +1,134 @@
+#ifndef __LINUX_MROUTE_H
+#define __LINUX_MROUTE_H
+/*
+ * Based on the MROUTING 3.5 defines primarily to keep
+ * source compatibility with BSD.
+ *
+ * See the mrouted code for the original history.
+ *
+ */
+
+#define MRT_BASE 200
+#define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */
+#define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */
+#define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */
+#define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */
+#define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */
+#define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */
+#define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */
+#define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */
+
+#define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */
+#define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
+
+#define MAXVIFS 32
+typedef unsigned long vifbitmap_t; /* User mode code depends on this lot */
+typedef unsigned short vifi_t;
+#define ALL_VIFS ((vifi_t)(-1))
+
+/*
+ * Same idea as select
+ */
+
+#define VIFM_SET(n,m) ((m)|=(1<<(n)))
+#define VIFM_CLR(n,m) ((m)&=~(1<<(n)))
+#define VIFM_ISSET(n,m) ((m)&(1<<(n)))
+#define VIFM_CLRALL(m) ((m)=0)
+#define VIFM_COPY(mfrom,mto) ((mto)=(mfrom))
+#define VIFM_SAME(m1,m2) ((m1)==(m2))
+
+/*
+ * Passed by mrouted for an MRT_ADD_VIF - again we use the
+ * mrouted 3.6 structures for compatibility
+ */
+
+struct vifctl {
+ vifi_t vifc_vifi; /* Index of VIF */
+ unsigned char vifc_flags; /* VIFF_ flags */
+ unsigned char vifc_threshold; /* ttl limit */
+ unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
+ struct in_addr vifc_lcl_addr; /* Our address */
+ struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */
+};
+
+#define VIFF_TUNNEL 0x1 /* IPIP tunnel */
+#define VIFF_SRCRT 0x02 /* NI */
+
+/*
+ * Cache manipulation structures for mrouted
+ */
+
+struct mfcctl
+{
+ struct in_addr mfcc_origin; /* Origin of mcast */
+ struct in_addr mfcc_mcastgrp; /* Group in question */
+ vifi_t mfcc_parent; /* Where it arrived */
+ unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */
+};
+
+/*
+ * Group count retrieval for mrouted
+ */
+
+struct sioc_sg_req
+{
+ struct in_addr src;
+ struct in_addr grp;
+ unsigned long pktcnt;
+ unsigned long bytecnt;
+ unsigned long wrong_if;
+};
+
+/*
+ * To get vif packet counts
+ */
+
+struct sioc_vif_req
+{
+ vifi_t vifi; /* Which iface */
+ unsigned long icount; /* In packets */
+ unsigned long ocount; /* Out packets */
+ unsigned long ibytes; /* In bytes */
+ unsigned long obytes; /* Out bytes */
+};
+
+/*
+ * This is the format the mroute daemon expects to see IGMP control
+ * data. Magically happens to be like an IP packet as per the original
+ */
+
+struct igmpmsg
+{
+ unsigned long unused1,unused2;
+ unsigned char im_msgtype; /* What is this */
+ unsigned char im_mbz; /* Must be zero */
+ unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */
+ unsigned char unused3;
+ struct in_addr im_src,im_dst;
+};
+
+/*
+ * Thats all usermode folks
+ */
+
+#ifdef __KERNEL__
+extern struct sock *mroute_socket;
+extern int ip_mroute_setsockopt(struct sock *, int, char *, int);
+extern int ip_mroute_getsockopt(struct sock *, int, char *, int *);
+extern int ipmr_ioctl(struct sock *sk, int cmd, unsigned long arg);
+extern void mroute_close(struct sock *sk);
+
+struct vif_device
+{
+ struct device *dev; /* Device we are using */
+ struct route *rt_cache; /* Tunnel route cache */
+ unsigned long bytes_in,bytes_out;
+ unsigned long pkt_in,pkt_out; /* Statistics */
+ unsigned long rate_limit; /* Traffic shaping (NI) */
+ unsigned char threshold; /* TTL threshold */
+ unsigned short flags; /* Control flags */
+ unsigned long local,remote; /* Addresses (remote for tunnels) */
+};
+
+#endif
+#endif
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