1 #ifndef _UAPI__LINUX_MROUTE6_H 2 #define _UAPI__LINUX_MROUTE6_H 3 4 #include <linux/types.h> 5 #include <linux/sockios.h> 6 7 /* 8 * Based on the MROUTING 3.5 defines primarily to keep 9 * source compatibility with BSD. 10 * 11 * See the pim6sd 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 MRT6_BASE 200 19 #define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */ 20 #define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */ 21 #define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */ 22 #define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */ 23 #define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */ 24 #define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */ 25 #define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */ 26 #define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */ 27 #define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */ 28 #define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */ 29 #define MRT6_ADD_MFC_PROXY (MRT6_BASE+10) /* Add a (*,*|G) mfc entry */ 30 #define MRT6_DEL_MFC_PROXY (MRT6_BASE+11) /* Del a (*,*|G) mfc entry */ 31 #define MRT6_MAX (MRT6_BASE+11) 32 33 #define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */ 34 #define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1) 35 #define SIOCGETRPF (SIOCPROTOPRIVATE+2) 36 37 #define MAXMIFS 32 38 typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */ 39 typedef unsigned short mifi_t; 40 #define ALL_MIFS ((mifi_t)(-1)) 41 42 #ifndef IF_SETSIZE 43 #define IF_SETSIZE 256 44 #endif 45 46 typedef __u32 if_mask; 47 #define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */ 48 49 #if !defined(__KERNEL__) 50 #if !defined(DIV_ROUND_UP) 51 #define DIV_ROUND_UP(x,y) (((x) + ((y) - 1)) / (y)) 52 #endif 53 #endif 54 55 typedef struct if_set { 56 if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)]; 57 } if_set; 58 59 #define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS))) 60 #define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS))) 61 #define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS))) 62 #define IF_COPY(f, t) bcopy(f, t, sizeof(*(f))) 63 #define IF_ZERO(p) bzero(p, sizeof(*(p))) 64 65 /* 66 * Passed by mrouted for an MRT_ADD_MIF - again we use the 67 * mrouted 3.6 structures for compatibility 68 */ 69 70 struct mif6ctl { 71 mifi_t mif6c_mifi; /* Index of MIF */ 72 unsigned char mif6c_flags; /* MIFF_ flags */ 73 unsigned char vifc_threshold; /* ttl limit */ 74 __u16 mif6c_pifi; /* the index of the physical IF */ 75 unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ 76 }; 77 78 #define MIFF_REGISTER 0x1 /* register vif */ 79 80 /* 81 * Cache manipulation structures for mrouted and PIMd 82 */ 83 84 struct mf6cctl { 85 struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */ 86 struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */ 87 mifi_t mf6cc_parent; /* Where it arrived */ 88 struct if_set mf6cc_ifset; /* Where it is going */ 89 }; 90 91 /* 92 * Group count retrieval for pim6sd 93 */ 94 95 struct sioc_sg_req6 { 96 struct sockaddr_in6 src; 97 struct sockaddr_in6 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_mif_req6 { 108 mifi_t mifi; /* 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 * That's all usermode folks 117 */ 118 119 120 121 /* 122 * Structure used to communicate from kernel to multicast router. 123 * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{} 124 * used for IPv4 implementation). This is because this structure will be passed via an 125 * IPv6 raw socket, on which an application will only receiver the payload i.e the data after 126 * the IPv6 header and all the extension headers. (See section 3 of RFC 3542) 127 */ 128 129 struct mrt6msg { 130 #define MRT6MSG_NOCACHE 1 131 #define MRT6MSG_WRONGMIF 2 132 #define MRT6MSG_WHOLEPKT 3 /* used for use level encap */ 133 __u8 im6_mbz; /* must be zero */ 134 __u8 im6_msgtype; /* what type of message */ 135 __u16 im6_mif; /* mif rec'd on */ 136 __u32 im6_pad; /* padding for 64 bit arch */ 137 struct in6_addr im6_src, im6_dst; 138 }; 139 140 #endif /* _UAPI__LINUX_MROUTE6_H */ 141
