17bc570c8SYOSHIFUJI Hideaki #ifndef __LINUX_MROUTE6_H 27bc570c8SYOSHIFUJI Hideaki #define __LINUX_MROUTE6_H 37bc570c8SYOSHIFUJI Hideaki 47bc570c8SYOSHIFUJI Hideaki #include <linux/types.h> 57bc570c8SYOSHIFUJI Hideaki #include <linux/sockios.h> 67bc570c8SYOSHIFUJI Hideaki 77bc570c8SYOSHIFUJI Hideaki /* 87bc570c8SYOSHIFUJI Hideaki * Based on the MROUTING 3.5 defines primarily to keep 97bc570c8SYOSHIFUJI Hideaki * source compatibility with BSD. 107bc570c8SYOSHIFUJI Hideaki * 117bc570c8SYOSHIFUJI Hideaki * See the pim6sd code for the original history. 127bc570c8SYOSHIFUJI Hideaki * 137bc570c8SYOSHIFUJI Hideaki * Protocol Independent Multicast (PIM) data structures included 147bc570c8SYOSHIFUJI Hideaki * Carlos Picoto (cap@di.fc.ul.pt) 157bc570c8SYOSHIFUJI Hideaki * 167bc570c8SYOSHIFUJI Hideaki */ 177bc570c8SYOSHIFUJI Hideaki 187bc570c8SYOSHIFUJI Hideaki #define MRT6_BASE 200 197bc570c8SYOSHIFUJI Hideaki #define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */ 207bc570c8SYOSHIFUJI Hideaki #define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */ 217bc570c8SYOSHIFUJI Hideaki #define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */ 227bc570c8SYOSHIFUJI Hideaki #define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */ 237bc570c8SYOSHIFUJI Hideaki #define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */ 247bc570c8SYOSHIFUJI Hideaki #define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */ 257bc570c8SYOSHIFUJI Hideaki #define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */ 2614fb64e1SYOSHIFUJI Hideaki #define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */ 2714fb64e1SYOSHIFUJI Hideaki #define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */ 28*d1db275dSPatrick McHardy #define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */ 297bc570c8SYOSHIFUJI Hideaki 307bc570c8SYOSHIFUJI Hideaki #define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */ 317bc570c8SYOSHIFUJI Hideaki #define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1) 327bc570c8SYOSHIFUJI Hideaki #define SIOCGETRPF (SIOCPROTOPRIVATE+2) 337bc570c8SYOSHIFUJI Hideaki 347bc570c8SYOSHIFUJI Hideaki #define MAXMIFS 32 357bc570c8SYOSHIFUJI Hideaki typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */ 367bc570c8SYOSHIFUJI Hideaki typedef unsigned short mifi_t; 377bc570c8SYOSHIFUJI Hideaki #define ALL_MIFS ((mifi_t)(-1)) 387bc570c8SYOSHIFUJI Hideaki 397bc570c8SYOSHIFUJI Hideaki #ifndef IF_SETSIZE 407bc570c8SYOSHIFUJI Hideaki #define IF_SETSIZE 256 417bc570c8SYOSHIFUJI Hideaki #endif 427bc570c8SYOSHIFUJI Hideaki 437bc570c8SYOSHIFUJI Hideaki typedef __u32 if_mask; 447bc570c8SYOSHIFUJI Hideaki #define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */ 457bc570c8SYOSHIFUJI Hideaki 467bc570c8SYOSHIFUJI Hideaki #if !defined(__KERNEL__) && !defined(DIV_ROUND_UP) 477bc570c8SYOSHIFUJI Hideaki #define DIV_ROUND_UP(x,y) (((x) + ((y) - 1)) / (y)) 487bc570c8SYOSHIFUJI Hideaki #endif 497bc570c8SYOSHIFUJI Hideaki 507bc570c8SYOSHIFUJI Hideaki typedef struct if_set { 517bc570c8SYOSHIFUJI Hideaki if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)]; 527bc570c8SYOSHIFUJI Hideaki } if_set; 537bc570c8SYOSHIFUJI Hideaki 547bc570c8SYOSHIFUJI Hideaki #define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS))) 557bc570c8SYOSHIFUJI Hideaki #define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS))) 567bc570c8SYOSHIFUJI Hideaki #define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS))) 577bc570c8SYOSHIFUJI Hideaki #define IF_COPY(f, t) bcopy(f, t, sizeof(*(f))) 587bc570c8SYOSHIFUJI Hideaki #define IF_ZERO(p) bzero(p, sizeof(*(p))) 597bc570c8SYOSHIFUJI Hideaki 607bc570c8SYOSHIFUJI Hideaki /* 617bc570c8SYOSHIFUJI Hideaki * Passed by mrouted for an MRT_ADD_MIF - again we use the 627bc570c8SYOSHIFUJI Hideaki * mrouted 3.6 structures for compatibility 637bc570c8SYOSHIFUJI Hideaki */ 647bc570c8SYOSHIFUJI Hideaki 657bc570c8SYOSHIFUJI Hideaki struct mif6ctl { 667bc570c8SYOSHIFUJI Hideaki mifi_t mif6c_mifi; /* Index of MIF */ 677bc570c8SYOSHIFUJI Hideaki unsigned char mif6c_flags; /* MIFF_ flags */ 687bc570c8SYOSHIFUJI Hideaki unsigned char vifc_threshold; /* ttl limit */ 6985efde6fSArnd Bergmann __u16 mif6c_pifi; /* the index of the physical IF */ 707bc570c8SYOSHIFUJI Hideaki unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ 717bc570c8SYOSHIFUJI Hideaki }; 727bc570c8SYOSHIFUJI Hideaki 737bc570c8SYOSHIFUJI Hideaki #define MIFF_REGISTER 0x1 /* register vif */ 747bc570c8SYOSHIFUJI Hideaki 757bc570c8SYOSHIFUJI Hideaki /* 767bc570c8SYOSHIFUJI Hideaki * Cache manipulation structures for mrouted and PIMd 777bc570c8SYOSHIFUJI Hideaki */ 787bc570c8SYOSHIFUJI Hideaki 79d94d9feeSEric Dumazet struct mf6cctl { 807bc570c8SYOSHIFUJI Hideaki struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */ 817bc570c8SYOSHIFUJI Hideaki struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */ 827bc570c8SYOSHIFUJI Hideaki mifi_t mf6cc_parent; /* Where it arrived */ 837bc570c8SYOSHIFUJI Hideaki struct if_set mf6cc_ifset; /* Where it is going */ 847bc570c8SYOSHIFUJI Hideaki }; 857bc570c8SYOSHIFUJI Hideaki 867bc570c8SYOSHIFUJI Hideaki /* 877bc570c8SYOSHIFUJI Hideaki * Group count retrieval for pim6sd 887bc570c8SYOSHIFUJI Hideaki */ 897bc570c8SYOSHIFUJI Hideaki 90d94d9feeSEric Dumazet struct sioc_sg_req6 { 917bc570c8SYOSHIFUJI Hideaki struct sockaddr_in6 src; 927bc570c8SYOSHIFUJI Hideaki struct sockaddr_in6 grp; 937bc570c8SYOSHIFUJI Hideaki unsigned long pktcnt; 947bc570c8SYOSHIFUJI Hideaki unsigned long bytecnt; 957bc570c8SYOSHIFUJI Hideaki unsigned long wrong_if; 967bc570c8SYOSHIFUJI Hideaki }; 977bc570c8SYOSHIFUJI Hideaki 987bc570c8SYOSHIFUJI Hideaki /* 997bc570c8SYOSHIFUJI Hideaki * To get vif packet counts 1007bc570c8SYOSHIFUJI Hideaki */ 1017bc570c8SYOSHIFUJI Hideaki 102d94d9feeSEric Dumazet struct sioc_mif_req6 { 1037bc570c8SYOSHIFUJI Hideaki mifi_t mifi; /* Which iface */ 1047bc570c8SYOSHIFUJI Hideaki unsigned long icount; /* In packets */ 1057bc570c8SYOSHIFUJI Hideaki unsigned long ocount; /* Out packets */ 1067bc570c8SYOSHIFUJI Hideaki unsigned long ibytes; /* In bytes */ 1077bc570c8SYOSHIFUJI Hideaki unsigned long obytes; /* Out bytes */ 1087bc570c8SYOSHIFUJI Hideaki }; 1097bc570c8SYOSHIFUJI Hideaki 1107bc570c8SYOSHIFUJI Hideaki /* 1117bc570c8SYOSHIFUJI Hideaki * That's all usermode folks 1127bc570c8SYOSHIFUJI Hideaki */ 1137bc570c8SYOSHIFUJI Hideaki 1147bc570c8SYOSHIFUJI Hideaki #ifdef __KERNEL__ 1157bc570c8SYOSHIFUJI Hideaki 1167c19a3d2SDavid S. Miller #include <linux/pim.h> 1177bc570c8SYOSHIFUJI Hideaki #include <linux/skbuff.h> /* for struct sk_buff_head */ 118bd91b8bfSBenjamin Thery #include <net/net_namespace.h> 1197bc570c8SYOSHIFUJI Hideaki 1207bc570c8SYOSHIFUJI Hideaki #ifdef CONFIG_IPV6_MROUTE 1217bc570c8SYOSHIFUJI Hideaki static inline int ip6_mroute_opt(int opt) 1227bc570c8SYOSHIFUJI Hideaki { 1237bc570c8SYOSHIFUJI Hideaki return (opt >= MRT6_BASE) && (opt <= MRT6_BASE + 10); 1247bc570c8SYOSHIFUJI Hideaki } 1257bc570c8SYOSHIFUJI Hideaki #else 1267bc570c8SYOSHIFUJI Hideaki static inline int ip6_mroute_opt(int opt) 1277bc570c8SYOSHIFUJI Hideaki { 1287bc570c8SYOSHIFUJI Hideaki return 0; 1297bc570c8SYOSHIFUJI Hideaki } 1307bc570c8SYOSHIFUJI Hideaki #endif 1317bc570c8SYOSHIFUJI Hideaki 1327bc570c8SYOSHIFUJI Hideaki struct sock; 1337bc570c8SYOSHIFUJI Hideaki 134e0835f8fSYOSHIFUJI Hideaki #ifdef CONFIG_IPV6_MROUTE 135b7058842SDavid S. Miller extern int ip6_mroute_setsockopt(struct sock *, int, char __user *, unsigned int); 1367bc570c8SYOSHIFUJI Hideaki extern int ip6_mroute_getsockopt(struct sock *, int, char __user *, int __user *); 1377bc570c8SYOSHIFUJI Hideaki extern int ip6_mr_input(struct sk_buff *skb); 1387bc570c8SYOSHIFUJI Hideaki extern int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg); 139623d1a1aSWang Chen extern int ip6_mr_init(void); 140623d1a1aSWang Chen extern void ip6_mr_cleanup(void); 141e0835f8fSYOSHIFUJI Hideaki #else 142e0835f8fSYOSHIFUJI Hideaki static inline 143e0835f8fSYOSHIFUJI Hideaki int ip6_mroute_setsockopt(struct sock *sock, 144b7058842SDavid S. Miller int optname, char __user *optval, unsigned int optlen) 145e0835f8fSYOSHIFUJI Hideaki { 146e0835f8fSYOSHIFUJI Hideaki return -ENOPROTOOPT; 147e0835f8fSYOSHIFUJI Hideaki } 148e0835f8fSYOSHIFUJI Hideaki 149e0835f8fSYOSHIFUJI Hideaki static inline 150e0835f8fSYOSHIFUJI Hideaki int ip6_mroute_getsockopt(struct sock *sock, 151e0835f8fSYOSHIFUJI Hideaki int optname, char __user *optval, int __user *optlen) 152e0835f8fSYOSHIFUJI Hideaki { 153e0835f8fSYOSHIFUJI Hideaki return -ENOPROTOOPT; 154e0835f8fSYOSHIFUJI Hideaki } 155e0835f8fSYOSHIFUJI Hideaki 156e0835f8fSYOSHIFUJI Hideaki static inline 157e0835f8fSYOSHIFUJI Hideaki int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg) 158e0835f8fSYOSHIFUJI Hideaki { 159e0835f8fSYOSHIFUJI Hideaki return -ENOIOCTLCMD; 160e0835f8fSYOSHIFUJI Hideaki } 161e0835f8fSYOSHIFUJI Hideaki 162e0835f8fSYOSHIFUJI Hideaki static inline int ip6_mr_init(void) 163e0835f8fSYOSHIFUJI Hideaki { 164e0835f8fSYOSHIFUJI Hideaki return 0; 165e0835f8fSYOSHIFUJI Hideaki } 166e0835f8fSYOSHIFUJI Hideaki 167e0835f8fSYOSHIFUJI Hideaki static inline void ip6_mr_cleanup(void) 168e0835f8fSYOSHIFUJI Hideaki { 169e0835f8fSYOSHIFUJI Hideaki return; 170e0835f8fSYOSHIFUJI Hideaki } 171e0835f8fSYOSHIFUJI Hideaki #endif 1727bc570c8SYOSHIFUJI Hideaki 173d94d9feeSEric Dumazet struct mif_device { 1747bc570c8SYOSHIFUJI Hideaki struct net_device *dev; /* Device we are using */ 1757bc570c8SYOSHIFUJI Hideaki unsigned long bytes_in,bytes_out; 1767bc570c8SYOSHIFUJI Hideaki unsigned long pkt_in,pkt_out; /* Statistics */ 1777bc570c8SYOSHIFUJI Hideaki unsigned long rate_limit; /* Traffic shaping (NI) */ 1787bc570c8SYOSHIFUJI Hideaki unsigned char threshold; /* TTL threshold */ 1797bc570c8SYOSHIFUJI Hideaki unsigned short flags; /* Control flags */ 1807bc570c8SYOSHIFUJI Hideaki int link; /* Physical interface index */ 1817bc570c8SYOSHIFUJI Hideaki }; 1827bc570c8SYOSHIFUJI Hideaki 1837bc570c8SYOSHIFUJI Hideaki #define VIFF_STATIC 0x8000 1847bc570c8SYOSHIFUJI Hideaki 185d94d9feeSEric Dumazet struct mfc6_cache { 186f30a7784SPatrick McHardy struct list_head list; 1877bc570c8SYOSHIFUJI Hideaki struct in6_addr mf6c_mcastgrp; /* Group the entry belongs to */ 1887bc570c8SYOSHIFUJI Hideaki struct in6_addr mf6c_origin; /* Source of packet */ 1897bc570c8SYOSHIFUJI Hideaki mifi_t mf6c_parent; /* Source interface */ 1907bc570c8SYOSHIFUJI Hideaki int mfc_flags; /* Flags on line */ 1917bc570c8SYOSHIFUJI Hideaki 1927bc570c8SYOSHIFUJI Hideaki union { 1937bc570c8SYOSHIFUJI Hideaki struct { 1947bc570c8SYOSHIFUJI Hideaki unsigned long expires; 1957bc570c8SYOSHIFUJI Hideaki struct sk_buff_head unresolved; /* Unresolved buffers */ 1967bc570c8SYOSHIFUJI Hideaki } unres; 1977bc570c8SYOSHIFUJI Hideaki struct { 1987bc570c8SYOSHIFUJI Hideaki unsigned long last_assert; 1997bc570c8SYOSHIFUJI Hideaki int minvif; 2007bc570c8SYOSHIFUJI Hideaki int maxvif; 2017bc570c8SYOSHIFUJI Hideaki unsigned long bytes; 2027bc570c8SYOSHIFUJI Hideaki unsigned long pkt; 2037bc570c8SYOSHIFUJI Hideaki unsigned long wrong_if; 2047bc570c8SYOSHIFUJI Hideaki unsigned char ttls[MAXMIFS]; /* TTL thresholds */ 2057bc570c8SYOSHIFUJI Hideaki } res; 2067bc570c8SYOSHIFUJI Hideaki } mfc_un; 2077bc570c8SYOSHIFUJI Hideaki }; 2087bc570c8SYOSHIFUJI Hideaki 2097bc570c8SYOSHIFUJI Hideaki #define MFC_STATIC 1 2107bc570c8SYOSHIFUJI Hideaki #define MFC_NOTIFY 2 2117bc570c8SYOSHIFUJI Hideaki 2127bc570c8SYOSHIFUJI Hideaki #define MFC6_LINES 64 2137bc570c8SYOSHIFUJI Hideaki 2147bc570c8SYOSHIFUJI Hideaki #define MFC6_HASH(a, g) (((__force u32)(a)->s6_addr32[0] ^ \ 2157bc570c8SYOSHIFUJI Hideaki (__force u32)(a)->s6_addr32[1] ^ \ 2167bc570c8SYOSHIFUJI Hideaki (__force u32)(a)->s6_addr32[2] ^ \ 2177bc570c8SYOSHIFUJI Hideaki (__force u32)(a)->s6_addr32[3] ^ \ 2187bc570c8SYOSHIFUJI Hideaki (__force u32)(g)->s6_addr32[0] ^ \ 2197bc570c8SYOSHIFUJI Hideaki (__force u32)(g)->s6_addr32[1] ^ \ 2207bc570c8SYOSHIFUJI Hideaki (__force u32)(g)->s6_addr32[2] ^ \ 2217bc570c8SYOSHIFUJI Hideaki (__force u32)(g)->s6_addr32[3]) % MFC6_LINES) 2227bc570c8SYOSHIFUJI Hideaki 2237bc570c8SYOSHIFUJI Hideaki #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ 2247bc570c8SYOSHIFUJI Hideaki 2257bc570c8SYOSHIFUJI Hideaki #endif 2267bc570c8SYOSHIFUJI Hideaki 2277bc570c8SYOSHIFUJI Hideaki #ifdef __KERNEL__ 2287bc570c8SYOSHIFUJI Hideaki struct rtmsg; 2298229efdaSBenjamin Thery extern int ip6mr_get_route(struct net *net, struct sk_buff *skb, 2308229efdaSBenjamin Thery struct rtmsg *rtm, int nowait); 2317bc570c8SYOSHIFUJI Hideaki 2327bc570c8SYOSHIFUJI Hideaki #ifdef CONFIG_IPV6_MROUTE 233*d1db275dSPatrick McHardy extern struct sock *mroute6_socket(struct net *net, struct sk_buff *skb); 2347bc570c8SYOSHIFUJI Hideaki extern int ip6mr_sk_done(struct sock *sk); 2357bc570c8SYOSHIFUJI Hideaki #else 236*d1db275dSPatrick McHardy static inline struct sock *mroute6_socket(struct net *net, struct sk_buff *skb) 237*d1db275dSPatrick McHardy { 238*d1db275dSPatrick McHardy return NULL; 239*d1db275dSPatrick McHardy } 240*d1db275dSPatrick McHardy static inline int ip6mr_sk_done(struct sock *sk) 241*d1db275dSPatrick McHardy { 242*d1db275dSPatrick McHardy return 0; 243*d1db275dSPatrick McHardy } 2447bc570c8SYOSHIFUJI Hideaki #endif 2457bc570c8SYOSHIFUJI Hideaki #endif 2467bc570c8SYOSHIFUJI Hideaki 2477bc570c8SYOSHIFUJI Hideaki /* 2487bc570c8SYOSHIFUJI Hideaki * Structure used to communicate from kernel to multicast router. 2497bc570c8SYOSHIFUJI Hideaki * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{} 2507bc570c8SYOSHIFUJI Hideaki * used for IPv4 implementation). This is because this structure will be passed via an 2517bc570c8SYOSHIFUJI Hideaki * IPv6 raw socket, on wich an application will only receiver the payload i.e the data after 2527bc570c8SYOSHIFUJI Hideaki * the IPv6 header and all the extension headers. (See section 3 of RFC 3542) 2537bc570c8SYOSHIFUJI Hideaki */ 2547bc570c8SYOSHIFUJI Hideaki 2557bc570c8SYOSHIFUJI Hideaki struct mrt6msg { 2567bc570c8SYOSHIFUJI Hideaki #define MRT6MSG_NOCACHE 1 25714fb64e1SYOSHIFUJI Hideaki #define MRT6MSG_WRONGMIF 2 25814fb64e1SYOSHIFUJI Hideaki #define MRT6MSG_WHOLEPKT 3 /* used for use level encap */ 2597bc570c8SYOSHIFUJI Hideaki __u8 im6_mbz; /* must be zero */ 2607bc570c8SYOSHIFUJI Hideaki __u8 im6_msgtype; /* what type of message */ 2617bc570c8SYOSHIFUJI Hideaki __u16 im6_mif; /* mif rec'd on */ 2627bc570c8SYOSHIFUJI Hideaki __u32 im6_pad; /* padding for 64 bit arch */ 2637bc570c8SYOSHIFUJI Hideaki struct in6_addr im6_src, im6_dst; 2647bc570c8SYOSHIFUJI Hideaki }; 2657bc570c8SYOSHIFUJI Hideaki 2667bc570c8SYOSHIFUJI Hideaki #endif 267