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Annotation of embedaddon/pimd/include/linux/netinet/mroute.h, revision 1.1.1.1

1.1       misho       1: #ifndef __LINUX_MROUTE_H
                      2: #define __LINUX_MROUTE_H
                      3: 
                      4: #include <linux/sockios.h>
                      5: #include <netinet/in-my.h>
                      6: 
                      7: 
                      8: /*
                      9:  *     Based on the MROUTING 3.5 defines primarily to keep
                     10:  *     source compatibility with BSD.
                     11:  *
                     12:  *     See the mrouted code for the original history.
                     13:  *
                     14:  *      Protocol Independent Multicast (PIM) data structures included
                     15:  *      Carlos Picoto (cap@di.fc.ul.pt)
                     16:  *
                     17:  */
                     18: 
                     19: #define MRT_BASE       200
                     20: #define MRT_INIT       (MRT_BASE)      /* Activate the kernel mroute code      */
                     21: #define MRT_DONE       (MRT_BASE+1)    /* Shutdown the kernel mroute           */
                     22: #define MRT_ADD_VIF    (MRT_BASE+2)    /* Add a virtual interface              */
                     23: #define MRT_DEL_VIF    (MRT_BASE+3)    /* Delete a virtual interface           */
                     24: #define MRT_ADD_MFC    (MRT_BASE+4)    /* Add a multicast forwarding entry     */
                     25: #define MRT_DEL_MFC    (MRT_BASE+5)    /* Delete a multicast forwarding entry  */
                     26: #define MRT_VERSION    (MRT_BASE+6)    /* Get the kernel multicast version     */
                     27: #define MRT_ASSERT     (MRT_BASE+7)    /* Activate PIM assert mode             */
                     28: #define MRT_PIM                (MRT_BASE+8)    /* enable PIM code      */
                     29: 
                     30: #define SIOCGETVIFCNT  SIOCPROTOPRIVATE        /* IP protocol privates */
                     31: #define SIOCGETSGCNT   (SIOCPROTOPRIVATE+1)
                     32: #define SIOCGETRPF     (SIOCPROTOPRIVATE+2)
                     33: 
                     34: #ifdef CUSTOM_MAX_VIFS
                     35: #define MAXVIFS                CUSTOM_MAX_VIFS /* MUST match kernel MAXVIFS! */
                     36: #else
                     37: #define MAXVIFS                32      
                     38: #endif
                     39: typedef unsigned long vifbitmap_t;     /* User mode code depends on this lot */
                     40: typedef unsigned short vifi_t;
                     41: #define ALL_VIFS       ((vifi_t)(-1))
                     42: 
                     43: /*
                     44:  *     Same idea as select
                     45:  */
                     46:  
                     47: #define VIFM_SET(n,m)  ((m)|=(1<<(n)))
                     48: #define VIFM_CLR(n,m)  ((m)&=~(1<<(n)))
                     49: #define VIFM_ISSET(n,m)        ((m)&(1<<(n)))
                     50: #define VIFM_CLRALL(m) ((m)=0)
                     51: #define VIFM_COPY(mfrom,mto)   ((mto)=(mfrom))
                     52: #define VIFM_SAME(m1,m2)       ((m1)==(m2))
                     53: 
                     54: /*
                     55:  *     Passed by mrouted for an MRT_ADD_VIF - again we use the
                     56:  *     mrouted 3.6 structures for compatibility
                     57:  */
                     58:  
                     59: struct vifctl {
                     60:        vifi_t  vifc_vifi;              /* Index of VIF */
                     61:        unsigned char vifc_flags;       /* VIFF_ flags */
                     62:        unsigned char vifc_threshold;   /* ttl limit */
                     63:        unsigned int vifc_rate_limit;   /* Rate limiter values (NI) */
                     64:        struct in_addr vifc_lcl_addr;   /* Our address */
                     65:        struct in_addr vifc_rmt_addr;   /* IPIP tunnel addr */
                     66: };
                     67: 
                     68: #define VIFF_TUNNEL    0x1     /* IPIP tunnel */
                     69: #define VIFF_SRCRT     0x2     /* NI */
                     70: #define VIFF_REGISTER  0x4     /* register vif */
                     71: 
                     72: /*
                     73:  *     Cache manipulation structures for mrouted and PIMd
                     74:  */
                     75:  
                     76: struct mfcctl
                     77: {
                     78:        struct in_addr mfcc_origin;             /* Origin of mcast      */
                     79:        struct in_addr mfcc_mcastgrp;           /* Group in question    */
                     80:        vifi_t  mfcc_parent;                    /* Where it arrived     */
                     81:        unsigned char mfcc_ttls[MAXVIFS];       /* Where it is going    */
                     82:        unsigned int mfcc_pkt_cnt;              /* pkt count for src-grp */
                     83:        unsigned int mfcc_byte_cnt;
                     84:        unsigned int mfcc_wrong_if;
                     85:        int          mfcc_expire;
                     86: };
                     87: 
                     88: /* 
                     89:  *     Group count retrieval for mrouted
                     90:  */
                     91:  
                     92: struct sioc_sg_req
                     93: {
                     94:        struct in_addr src;
                     95:        struct in_addr grp;
                     96:        unsigned long pktcnt;
                     97:        unsigned long bytecnt;
                     98:        unsigned long wrong_if;
                     99: };
                    100: 
                    101: /*
                    102:  *     To get vif packet counts
                    103:  */
                    104: 
                    105: struct sioc_vif_req
                    106: {
                    107:        vifi_t  vifi;           /* Which iface */
                    108:        unsigned long icount;   /* In packets */
                    109:        unsigned long ocount;   /* Out packets */
                    110:        unsigned long ibytes;   /* In bytes */
                    111:        unsigned long obytes;   /* Out bytes */
                    112: };
                    113: 
                    114: /*
                    115:  *     This is the format the mroute daemon expects to see IGMP control
                    116:  *     data. Magically happens to be like an IP packet as per the original
                    117:  */
                    118:  
                    119: struct igmpmsg
                    120: {
                    121:        uint32_t 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