1 #ifndef _UAPI__LINUX_MROUTE6_H 2 #define _UAPI__LINUX_MROUTE6_H 3 4 #include <linux/kernel.h> 5 #include <linux/types.h> 6 #include <linux/sockios.h> 7 #include <linux/in6.h> /* For struct sockaddr_in6. */ 8 9 /* 10 * Based on the MROUTING 3.5 defines primarily to keep 11 * source compatibility with BSD. 12 * 13 * See the pim6sd code for the original history. 14 * 15 * Protocol Independent Multicast (PIM) data structures included 16 * Carlos Picoto ([email protected]) 17 * 18 */ 19 20 #define MRT6_BASE 200 21 #define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */ 22 #define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */ 23 #define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */ 24 #define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */ 25 #define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */ 26 #define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */ 27 #define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */ 28 #define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */ 29 #define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */ 30 #define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */ 31 #define MRT6_ADD_MFC_PROXY (MRT6_BASE+10) /* Add a (*,*|G) mfc entry */ 32 #define MRT6_DEL_MFC_PROXY (MRT6_BASE+11) /* Del a (*,*|G) mfc entry */ 33 #define MRT6_MAX (MRT6_BASE+11) 34 35 #define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */ 36 #define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1) 37 #define SIOCGETRPF (SIOCPROTOPRIVATE+2) 38 39 #define MAXMIFS 32 40 typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */ 41 typedef unsigned short mifi_t; 42 #define ALL_MIFS ((mifi_t)(-1)) 43 44 #ifndef IF_SETSIZE 45 #define IF_SETSIZE 256 46 #endif 47 48 typedef __u32 if_mask; 49 #define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */ 50 51 typedef struct if_set { 52 if_mask ifs_bits[__KERNEL_DIV_ROUND_UP(IF_SETSIZE, NIFBITS)]; 53 } if_set; 54 55 #define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS))) 56 #define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS))) 57 #define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS))) 58 #define IF_COPY(f, t) bcopy(f, t, sizeof(*(f))) 59 #define IF_ZERO(p) bzero(p, sizeof(*(p))) 60 61 /* 62 * Passed by mrouted for an MRT_ADD_MIF - again we use the 63 * mrouted 3.6 structures for compatibility 64 */ 65 66 struct mif6ctl { 67 mifi_t mif6c_mifi; /* Index of MIF */ 68 unsigned char mif6c_flags; /* MIFF_ flags */ 69 unsigned char vifc_threshold; /* ttl limit */ 70 __u16 mif6c_pifi; /* the index of the physical IF */ 71 unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ 72 }; 73 74 #define MIFF_REGISTER 0x1 /* register vif */ 75 76 /* 77 * Cache manipulation structures for mrouted and PIMd 78 */ 79 80 struct mf6cctl { 81 struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */ 82 struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */ 83 mifi_t mf6cc_parent; /* Where it arrived */ 84 struct if_set mf6cc_ifset; /* Where it is going */ 85 }; 86 87 /* 88 * Group count retrieval for pim6sd 89 */ 90 91 struct sioc_sg_req6 { 92 struct sockaddr_in6 src; 93 struct sockaddr_in6 grp; 94 unsigned long pktcnt; 95 unsigned long bytecnt; 96 unsigned long wrong_if; 97 }; 98 99 /* 100 * To get vif packet counts 101 */ 102 103 struct sioc_mif_req6 { 104 mifi_t mifi; /* Which iface */ 105 unsigned long icount; /* In packets */ 106 unsigned long ocount; /* Out packets */ 107 unsigned long ibytes; /* In bytes */ 108 unsigned long obytes; /* Out bytes */ 109 }; 110 111 /* 112 * That's all usermode folks 113 */ 114 115 116 117 /* 118 * Structure used to communicate from kernel to multicast router. 119 * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{} 120 * used for IPv4 implementation). This is because this structure will be passed via an 121 * IPv6 raw socket, on which an application will only receiver the payload i.e the data after 122 * the IPv6 header and all the extension headers. (See section 3 of RFC 3542) 123 */ 124 125 struct mrt6msg { 126 #define MRT6MSG_NOCACHE 1 127 #define MRT6MSG_WRONGMIF 2 128 #define MRT6MSG_WHOLEPKT 3 /* used for use level encap */ 129 __u8 im6_mbz; /* must be zero */ 130 __u8 im6_msgtype; /* what type of message */ 131 __u16 im6_mif; /* mif rec'd on */ 132 __u32 im6_pad; /* padding for 64 bit arch */ 133 struct in6_addr im6_src, im6_dst; 134 }; 135 136 /* ip6mr netlink cache report attributes */ 137 enum { 138 IP6MRA_CREPORT_UNSPEC, 139 IP6MRA_CREPORT_MSGTYPE, 140 IP6MRA_CREPORT_MIF_ID, 141 IP6MRA_CREPORT_SRC_ADDR, 142 IP6MRA_CREPORT_DST_ADDR, 143 IP6MRA_CREPORT_PKT, 144 __IP6MRA_CREPORT_MAX 145 }; 146 #define IP6MRA_CREPORT_MAX (__IP6MRA_CREPORT_MAX - 1) 147 148 #endif /* _UAPI__LINUX_MROUTE6_H */ 149