1 files changed, 143 insertions, 0 deletions

diff --git a/include/uapi/linux/mroute.h b/include/uapi/linux/mroute.h
new file mode 100644
index 000000000000..16929993acc4
--- /dev/null
+++ b/include/uapi/linux/mroute.h
@@ -0,0 +1,143 @@
+#ifndef _UAPI__LINUX_MROUTE_H
+#define _UAPI__LINUX_MROUTE_H
+
+#include <linux/sockios.h>
+#include <linux/types.h>
+
+/*
+ *      Based on the MROUTING 3.5 defines primarily to keep
+ *      source compatibility with BSD.
+ *
+ *      See the mrouted code for the original history.
+ *
+ *      Protocol Independent Multicast (PIM) data structures included
+ *      Carlos Picoto (cap@di.fc.ul.pt)
+ *
+ */
+
+#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 MRT_PIM         (MRT_BASE+8)    /* enable PIM code                      */
+#define MRT_TABLE       (MRT_BASE+9)    /* Specify mroute table ID              */
+
+#define SIOCGETVIFCNT   SIOCPROTOPRIVATE        /* IP protocol privates */
+#define SIOCGETSGCNT    (SIOCPROTOPRIVATE+1)
+#define SIOCGETRPF      (SIOCPROTOPRIVATE+2)
+
+#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) */
+        union {
+                struct in_addr vifc_lcl_addr;     /* Local interface address */
+                int            vifc_lcl_ifindex;  /* Local interface index   */
+        };
+        struct in_addr vifc_rmt_addr;   /* IPIP tunnel addr */
+};
+
+#define VIFF_TUNNEL             0x1     /* IPIP tunnel */
+#define VIFF_SRCRT              0x2     /* NI */
+#define VIFF_REGISTER           0x4     /* register vif */
+#define VIFF_USE_IFINDEX        0x8     /* use vifc_lcl_ifindex instead of
+                                           vifc_lcl_addr to find an interface */
+
+/*
+ *      Cache manipulation structures for mrouted and PIMd
+ */
+ 
+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    */
+        unsigned int mfcc_pkt_cnt;              /* pkt count for src-grp */
+        unsigned int mfcc_byte_cnt;
+        unsigned int mfcc_wrong_if;
+        int          mfcc_expire;
+};
+
+/* 
+ *      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 {
+        __u32 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;
+};
+
+/*
+ *      That's all usermode folks
+ */
+
+
+
+#define MFC_ASSERT_THRESH (3*HZ)                /* Maximal freq. of asserts */
+
+/*
+ *      Pseudo messages used by mrouted
+ */
+
+#define IGMPMSG_NOCACHE         1               /* Kern cache fill request to mrouted */
+#define IGMPMSG_WRONGVIF        2               /* For PIM assert processing (unused) */
+#define IGMPMSG_WHOLEPKT        3               /* For PIM Register processing */
+
+
+#endif /* _UAPI__LINUX_MROUTE_H */