1 #ifndef _UAPI__LINUX_MROUTE_H 2 #define _UAPI__LINUX_MROUTE_H 3 4 #include <linux/sockios.h> 5 #include <linux/types.h> 6 7 /* 8 * Based on the MROUTING 3.5 defines primarily to keep 9 * source compatibility with BSD. 10 * 11 * See the mrouted code for the original history. 12 * 13 * Protocol Independent Multicast (PIM) data structures included 14 * Carlos Picoto (cap (at) di.fc.ul.pt) 15 * 16 */ 17 18 #define MRT_BASE 200 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_ADD_MFC_PROXY (MRT_BASE+10) /* Add a (*,*|G) mfc entry */ 30 #define MRT_DEL_MFC_PROXY (MRT_BASE+11) /* Del a (*,*|G) mfc entry */ 31 #define MRT_MAX (MRT_BASE+11) 32 33 #define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */ 34 #define SIOCGETSGCNT (SIOCPROTOPRIVATE+1) 35 #define SIOCGETRPF (SIOCPROTOPRIVATE+2) 36 37 #define MAXVIFS 32 38 typedef unsigned long vifbitmap_t; /* User mode code depends on this lot */ 39 typedef unsigned short vifi_t; 40 #define ALL_VIFS ((vifi_t)(-1)) 41 42 /* 43 * Same idea as select 44 */ 45 46 #define VIFM_SET(n,m) ((m)|=(1<<(n))) 47 #define VIFM_CLR(n,m) ((m)&=~(1<<(n))) 48 #define VIFM_ISSET(n,m) ((m)&(1<<(n))) 49 #define VIFM_CLRALL(m) ((m)=0) 50 #define VIFM_COPY(mfrom,mto) ((mto)=(mfrom)) 51 #define VIFM_SAME(m1,m2) ((m1)==(m2)) 52 53 /* 54 * Passed by mrouted for an MRT_ADD_VIF - again we use the 55 * mrouted 3.6 structures for compatibility 56 */ 57 58 struct vifctl { 59 vifi_t vifc_vifi; /* Index of VIF */ 60 unsigned char vifc_flags; /* VIFF_ flags */ 61 unsigned char vifc_threshold; /* ttl limit */ 62 unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ 63 union { 64 struct in_addr vifc_lcl_addr; /* Local interface address */ 65 int vifc_lcl_ifindex; /* Local interface index */ 66 }; 67 struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */ 68 }; 69 70 #define VIFF_TUNNEL 0x1 /* IPIP tunnel */ 71 #define VIFF_SRCRT 0x2 /* NI */ 72 #define VIFF_REGISTER 0x4 /* register vif */ 73 #define VIFF_USE_IFINDEX 0x8 /* use vifc_lcl_ifindex instead of 74 vifc_lcl_addr to find an interface */ 75 76 /* 77 * Cache manipulation structures for mrouted and PIMd 78 */ 79 80 struct mfcctl { 81 struct in_addr mfcc_origin; /* Origin of mcast */ 82 struct in_addr mfcc_mcastgrp; /* Group in question */ 83 vifi_t mfcc_parent; /* Where it arrived */ 84 unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */ 85 unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */ 86 unsigned int mfcc_byte_cnt; 87 unsigned int mfcc_wrong_if; 88 int mfcc_expire; 89 }; 90 91 /* 92 * Group count retrieval for mrouted 93 */ 94 95 struct sioc_sg_req { 96 struct in_addr src; 97 struct in_addr grp; 98 unsigned long pktcnt; 99 unsigned long bytecnt; 100 unsigned long wrong_if; 101 }; 102 103 /* 104 * To get vif packet counts 105 */ 106 107 struct sioc_vif_req { 108 vifi_t vifi; /* Which iface */ 109 unsigned long icount; /* In packets */ 110 unsigned long ocount; /* Out packets */ 111 unsigned long ibytes; /* In bytes */ 112 unsigned long obytes; /* Out bytes */ 113 }; 114 115 /* 116 * This is the format the mroute daemon expects to see IGMP control 117 * data. Magically happens to be like an IP packet as per the original 118 */ 119 120 struct igmpmsg { 121 __u32 unused1,unused2; 122 unsigned char im_msgtype; /* What is this */ 123 unsigned char im_mbz; /* Must be zero */ 124 unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */ 125 unsigned char unused3; 126 struct in_addr im_src,im_dst; 127 }; 128 129 /* 130 * That's all usermode folks 131 */ 132 133 134 135 #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ 136 137 /* 138 * Pseudo messages used by mrouted 139 */ 140 141 #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */ 142 #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */ 143 #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */ 144 145 146 #endif /* _UAPI__LINUX_MROUTE_H */ 147
