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 /* Based on the MROUTING 3.5 defines primarily to keep 8 * source compatibility with BSD. 9 * 10 * See the mrouted code for the original history. 11 * 12 * Protocol Independent Multicast (PIM) data structures included 13 * Carlos Picoto (cap (at) di.fc.ul.pt) 14 */ 15 16 #define MRT_BASE 200 17 #define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */ 18 #define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */ 19 #define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */ 20 #define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */ 21 #define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */ 22 #define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */ 23 #define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */ 24 #define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */ 25 #define MRT_PIM (MRT_BASE+8) /* enable PIM code */ 26 #define MRT_TABLE (MRT_BASE+9) /* Specify mroute table ID */ 27 #define MRT_ADD_MFC_PROXY (MRT_BASE+10) /* Add a (*,*|G) mfc entry */ 28 #define MRT_DEL_MFC_PROXY (MRT_BASE+11) /* Del a (*,*|G) mfc entry */ 29 #define MRT_MAX (MRT_BASE+11) 30 31 #define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */ 32 #define SIOCGETSGCNT (SIOCPROTOPRIVATE+1) 33 #define SIOCGETRPF (SIOCPROTOPRIVATE+2) 34 35 #define MAXVIFS 32 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)) 39 40 /* Same idea as select */ 41 42 #define VIFM_SET(n,m) ((m)|=(1<<(n))) 43 #define VIFM_CLR(n,m) ((m)&=~(1<<(n))) 44 #define VIFM_ISSET(n,m) ((m)&(1<<(n))) 45 #define VIFM_CLRALL(m) ((m)=0) 46 #define VIFM_COPY(mfrom,mto) ((mto)=(mfrom)) 47 #define VIFM_SAME(m1,m2) ((m1)==(m2)) 48 49 /* Passed by mrouted for an MRT_ADD_VIF - again we use the 50 * mrouted 3.6 structures for compatibility 51 */ 52 struct vifctl { 53 vifi_t vifc_vifi; /* Index of VIF */ 54 unsigned char vifc_flags; /* VIFF_ flags */ 55 unsigned char vifc_threshold; /* ttl limit */ 56 unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ 57 union { 58 struct in_addr vifc_lcl_addr; /* Local interface address */ 59 int vifc_lcl_ifindex; /* Local interface index */ 60 }; 61 struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */ 62 }; 63 64 #define VIFF_TUNNEL 0x1 /* IPIP tunnel */ 65 #define VIFF_SRCRT 0x2 /* NI */ 66 #define VIFF_REGISTER 0x4 /* register vif */ 67 #define VIFF_USE_IFINDEX 0x8 /* use vifc_lcl_ifindex instead of 68 vifc_lcl_addr to find an interface */ 69 70 /* Cache manipulation structures for mrouted and PIMd */ 71 struct mfcctl { 72 struct in_addr mfcc_origin; /* Origin of mcast */ 73 struct in_addr mfcc_mcastgrp; /* Group in question */ 74 vifi_t mfcc_parent; /* Where it arrived */ 75 unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */ 76 unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */ 77 unsigned int mfcc_byte_cnt; 78 unsigned int mfcc_wrong_if; 79 int mfcc_expire; 80 }; 81 82 /* Group count retrieval for mrouted */ 83 struct sioc_sg_req { 84 struct in_addr src; 85 struct in_addr grp; 86 unsigned long pktcnt; 87 unsigned long bytecnt; 88 unsigned long wrong_if; 89 }; 90 91 /* To get vif packet counts */ 92 struct sioc_vif_req { 93 vifi_t vifi; /* Which iface */ 94 unsigned long icount; /* In packets */ 95 unsigned long ocount; /* Out packets */ 96 unsigned long ibytes; /* In bytes */ 97 unsigned long obytes; /* Out bytes */ 98 }; 99 100 /* This is the format the mroute daemon expects to see IGMP control 101 * data. Magically happens to be like an IP packet as per the original 102 */ 103 struct igmpmsg { 104 __u32 unused1,unused2; 105 unsigned char im_msgtype; /* What is this */ 106 unsigned char im_mbz; /* Must be zero */ 107 unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */ 108 unsigned char unused3; 109 struct in_addr im_src,im_dst; 110 }; 111 112 /* That's all usermode folks */ 113 114 #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ 115 116 /* Pseudo messages used by mrouted */ 117 #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */ 118 #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */ 119 #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */ 120 121 #endif /* _UAPI__LINUX_MROUTE_H */ 122
