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[/] [hf-risc/] [trunk/] [tools/] [riscv-gnu-toolchain-master/] [linux-headers/] [include/] [linux/] [mroute6.h] - Blame information for rev 13

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1 13 serginhofr
#ifndef __LINUX_MROUTE6_H
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#define __LINUX_MROUTE6_H
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#include <linux/types.h>
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#include <linux/sockios.h>
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/*
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 *      Based on the MROUTING 3.5 defines primarily to keep
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 *      source compatibility with BSD.
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 *
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 *      See the pim6sd code for the original history.
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 *
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 *      Protocol Independent Multicast (PIM) data structures included
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 *      Carlos Picoto (cap@di.fc.ul.pt)
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 *
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 */
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#define MRT6_BASE       200
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#define MRT6_INIT       (MRT6_BASE)     /* Activate the kernel mroute code      */
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#define MRT6_DONE       (MRT6_BASE+1)   /* Shutdown the kernel mroute           */
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#define MRT6_ADD_MIF    (MRT6_BASE+2)   /* Add a virtual interface              */
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#define MRT6_DEL_MIF    (MRT6_BASE+3)   /* Delete a virtual interface           */
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#define MRT6_ADD_MFC    (MRT6_BASE+4)   /* Add a multicast forwarding entry     */
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#define MRT6_DEL_MFC    (MRT6_BASE+5)   /* Delete a multicast forwarding entry  */
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#define MRT6_VERSION    (MRT6_BASE+6)   /* Get the kernel multicast version     */
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#define MRT6_ASSERT     (MRT6_BASE+7)   /* Activate PIM assert mode             */
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#define MRT6_PIM        (MRT6_BASE+8)   /* enable PIM code                      */
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#define MRT6_TABLE      (MRT6_BASE+9)   /* Specify mroute table ID              */
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#define MRT6_ADD_MFC_PROXY      (MRT6_BASE+10)  /* Add a (*,*|G) mfc entry      */
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#define MRT6_DEL_MFC_PROXY      (MRT6_BASE+11)  /* Del a (*,*|G) mfc entry      */
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#define MRT6_MAX        (MRT6_BASE+11)
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#define SIOCGETMIFCNT_IN6       SIOCPROTOPRIVATE        /* IP protocol privates */
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#define SIOCGETSGCNT_IN6        (SIOCPROTOPRIVATE+1)
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#define SIOCGETRPF      (SIOCPROTOPRIVATE+2)
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#define MAXMIFS         32
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typedef unsigned long mifbitmap_t;      /* User mode code depends on this lot */
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typedef unsigned short mifi_t;
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#define ALL_MIFS        ((mifi_t)(-1))
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#ifndef IF_SETSIZE
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#define IF_SETSIZE      256
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#endif
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typedef __u32           if_mask;
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#define NIFBITS (sizeof(if_mask) * 8)        /* bits per mask */
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#if !defined(DIV_ROUND_UP)
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#define DIV_ROUND_UP(x,y)       (((x) + ((y) - 1)) / (y))
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#endif
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typedef struct if_set {
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        if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
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} if_set;
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#define IF_SET(n, p)    ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
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#define IF_CLR(n, p)    ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
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#define IF_ISSET(n, p)  ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
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#define IF_COPY(f, t)   bcopy(f, t, sizeof(*(f)))
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#define IF_ZERO(p)      bzero(p, sizeof(*(p)))
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/*
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 *      Passed by mrouted for an MRT_ADD_MIF - again we use the
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 *      mrouted 3.6 structures for compatibility
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 */
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struct mif6ctl {
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        mifi_t  mif6c_mifi;             /* Index of MIF */
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        unsigned char mif6c_flags;      /* MIFF_ flags */
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        unsigned char vifc_threshold;   /* ttl limit */
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        __u16    mif6c_pifi;            /* the index of the physical IF */
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        unsigned int vifc_rate_limit;   /* Rate limiter values (NI) */
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};
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#define MIFF_REGISTER   0x1     /* register vif */
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/*
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 *      Cache manipulation structures for mrouted and PIMd
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 */
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struct mf6cctl {
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        struct sockaddr_in6 mf6cc_origin;               /* Origin of mcast      */
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        struct sockaddr_in6 mf6cc_mcastgrp;             /* Group in question    */
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        mifi_t  mf6cc_parent;                   /* Where it arrived     */
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        struct if_set mf6cc_ifset;              /* Where it is going */
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};
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/*
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 *      Group count retrieval for pim6sd
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 */
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struct sioc_sg_req6 {
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        struct sockaddr_in6 src;
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        struct sockaddr_in6 grp;
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        unsigned long pktcnt;
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        unsigned long bytecnt;
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        unsigned long wrong_if;
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};
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/*
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 *      To get vif packet counts
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 */
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struct sioc_mif_req6 {
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        mifi_t  mifi;           /* Which iface */
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        unsigned long icount;   /* In packets */
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        unsigned long ocount;   /* Out packets */
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        unsigned long ibytes;   /* In bytes */
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        unsigned long obytes;   /* Out bytes */
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};
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/*
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 *      That's all usermode folks
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 */
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/*
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 * Structure used to communicate from kernel to multicast router.
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 * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{}
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 * used for IPv4 implementation). This is because this structure will be passed via an
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 * IPv6 raw socket, on which an application will only receiver the payload i.e the data after
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 * the IPv6 header and all the extension headers. (See section 3 of RFC 3542)
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 */
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struct mrt6msg {
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#define MRT6MSG_NOCACHE         1
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#define MRT6MSG_WRONGMIF        2
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#define MRT6MSG_WHOLEPKT        3               /* used for use level encap */
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        __u8            im6_mbz;                /* must be zero            */
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        __u8            im6_msgtype;            /* what type of message    */
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        __u16           im6_mif;                /* mif rec'd on            */
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        __u32           im6_pad;                /* padding for 64 bit arch */
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        struct in6_addr im6_src, im6_dst;
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};
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#endif /* __LINUX_MROUTE6_H */

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