1 #ifndef _UAPI__LINUX_MROUTE_H
2 #define _UAPI__LINUX_MROUTE_H
4 #include <linux/sockios.h>
5 #include <linux/types.h>
8 * Based on the MROUTING 3.5 defines primarily to keep
9 * source compatibility with BSD.
11 * See the mrouted code for the original history.
13 * Protocol Independent Multicast (PIM) data structures included
14 * Carlos Picoto (cap@di.fc.ul.pt)
19 #define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */
20 #define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */
21 #define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */
22 #define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */
23 #define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */
24 #define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */
25 #define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */
26 #define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */
27 #define MRT_PIM (MRT_BASE+8) /* enable PIM code */
28 #define MRT_TABLE (MRT_BASE+9) /* Specify mroute table ID */
29 #define MRT_MAX (MRT_BASE+9)
31 #define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */
32 #define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
33 #define SIOCGETRPF (SIOCPROTOPRIVATE+2)
36 typedef unsigned long vifbitmap_t; /* User mode code depends on this lot */
37 typedef unsigned short vifi_t;
38 #define ALL_VIFS ((vifi_t)(-1))
44 #define VIFM_SET(n,m) ((m)|=(1<<(n)))
45 #define VIFM_CLR(n,m) ((m)&=~(1<<(n)))
46 #define VIFM_ISSET(n,m) ((m)&(1<<(n)))
47 #define VIFM_CLRALL(m) ((m)=0)
48 #define VIFM_COPY(mfrom,mto) ((mto)=(mfrom))
49 #define VIFM_SAME(m1,m2) ((m1)==(m2))
52 * Passed by mrouted for an MRT_ADD_VIF - again we use the
53 * mrouted 3.6 structures for compatibility
57 vifi_t vifc_vifi; /* Index of VIF */
58 unsigned char vifc_flags; /* VIFF_ flags */
59 unsigned char vifc_threshold; /* ttl limit */
60 unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
62 struct in_addr vifc_lcl_addr; /* Local interface address */
63 int vifc_lcl_ifindex; /* Local interface index */
65 struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */
68 #define VIFF_TUNNEL 0x1 /* IPIP tunnel */
69 #define VIFF_SRCRT 0x2 /* NI */
70 #define VIFF_REGISTER 0x4 /* register vif */
71 #define VIFF_USE_IFINDEX 0x8 /* use vifc_lcl_ifindex instead of
72 vifc_lcl_addr to find an interface */
75 * Cache manipulation structures for mrouted and PIMd
79 struct in_addr mfcc_origin; /* Origin of mcast */
80 struct in_addr mfcc_mcastgrp; /* Group in question */
81 vifi_t mfcc_parent; /* Where it arrived */
82 unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */
83 unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */
84 unsigned int mfcc_byte_cnt;
85 unsigned int mfcc_wrong_if;
90 * Group count retrieval for mrouted
97 unsigned long bytecnt;
98 unsigned long wrong_if;
102 * To get vif packet counts
105 struct sioc_vif_req {
106 vifi_t vifi; /* Which iface */
107 unsigned long icount; /* In packets */
108 unsigned long ocount; /* Out packets */
109 unsigned long ibytes; /* In bytes */
110 unsigned long obytes; /* Out bytes */
114 * This is the format the mroute daemon expects to see IGMP control
115 * data. Magically happens to be like an IP packet as per the original
119 __u32 unused1,unused2;
120 unsigned char im_msgtype; /* What is this */
121 unsigned char im_mbz; /* Must be zero */
122 unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */
123 unsigned char unused3;
124 struct in_addr im_src,im_dst;
128 * That's all usermode folks
133 #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */
136 * Pseudo messages used by mrouted
139 #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */
140 #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */
141 #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */
144 #endif /* _UAPI__LINUX_MROUTE_H */