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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

mroute6.h (5005B)


  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef __LINUX_MROUTE6_H
  3. #define __LINUX_MROUTE6_H
  4. #include <linux/const.h>
  5. #include <linux/types.h>
  6. #include <linux/sockios.h>
  7. #include <linux/in6.h> /* For struct sockaddr_in6. */
  8. /*
  9. * Based on the MROUTING 3.5 defines primarily to keep
  10. * source compatibility with BSD.
  11. *
  12. * See the pim6sd 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. #define MRT6_BASE 200
  19. #define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */
  20. #define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */
  21. #define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */
  22. #define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */
  23. #define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */
  24. #define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */
  25. #define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */
  26. #define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */
  27. #define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */
  28. #define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */
  29. #define MRT6_ADD_MFC_PROXY (MRT6_BASE+10) /* Add a (*,*|G) mfc entry */
  30. #define MRT6_DEL_MFC_PROXY (MRT6_BASE+11) /* Del a (*,*|G) mfc entry */
  31. #define MRT6_FLUSH (MRT6_BASE+12) /* Flush all mfc entries and/or vifs */
  32. #define MRT6_MAX (MRT6_BASE+12)
  33. #define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */
  34. #define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1)
  35. #define SIOCGETRPF (SIOCPROTOPRIVATE+2)
  36. /* MRT6_FLUSH optional flags */
  37. #define MRT6_FLUSH_MFC 1 /* Flush multicast entries */
  38. #define MRT6_FLUSH_MFC_STATIC 2 /* Flush static multicast entries */
  39. #define MRT6_FLUSH_MIFS 4 /* Flushing multicast vifs */
  40. #define MRT6_FLUSH_MIFS_STATIC 8 /* Flush static multicast vifs */
  41. #define MAXMIFS 32
  42. typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */
  43. typedef unsigned short mifi_t;
  44. #define ALL_MIFS ((mifi_t)(-1))
  45. #ifndef IF_SETSIZE
  46. #define IF_SETSIZE 256
  47. #endif
  48. typedef __u32 if_mask;
  49. #define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */
  50. typedef struct if_set {
  51. if_mask ifs_bits[__KERNEL_DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
  52. } if_set;
  53. #define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
  54. #define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
  55. #define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
  56. #define IF_COPY(f, t) bcopy(f, t, sizeof(*(f)))
  57. #define IF_ZERO(p) bzero(p, sizeof(*(p)))
  58. /*
  59. * Passed by mrouted for an MRT_ADD_MIF - again we use the
  60. * mrouted 3.6 structures for compatibility
  61. */
  62. struct mif6ctl {
  63. mifi_t mif6c_mifi; /* Index of MIF */
  64. unsigned char mif6c_flags; /* MIFF_ flags */
  65. unsigned char vifc_threshold; /* ttl limit */
  66. __u16 mif6c_pifi; /* the index of the physical IF */
  67. unsigned int vifc_rate_limit; /* Rate limiter values (NI) */
  68. };
  69. #define MIFF_REGISTER 0x1 /* register vif */
  70. /*
  71. * Cache manipulation structures for mrouted and PIMd
  72. */
  73. struct mf6cctl {
  74. struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */
  75. struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */
  76. mifi_t mf6cc_parent; /* Where it arrived */
  77. struct if_set mf6cc_ifset; /* Where it is going */
  78. };
  79. /*
  80. * Group count retrieval for pim6sd
  81. */
  82. struct sioc_sg_req6 {
  83. struct sockaddr_in6 src;
  84. struct sockaddr_in6 grp;
  85. unsigned long pktcnt;
  86. unsigned long bytecnt;
  87. unsigned long wrong_if;
  88. };
  89. /*
  90. * To get vif packet counts
  91. */
  92. struct sioc_mif_req6 {
  93. mifi_t mifi; /* 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. * That's all usermode folks
  101. */
  102. /*
  103. * Structure used to communicate from kernel to multicast router.
  104. * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{}
  105. * used for IPv4 implementation). This is because this structure will be passed via an
  106. * IPv6 raw socket, on which an application will only receiver the payload i.e the data after
  107. * the IPv6 header and all the extension headers. (See section 3 of RFC 3542)
  108. */
  109. struct mrt6msg {
  110. #define MRT6MSG_NOCACHE 1
  111. #define MRT6MSG_WRONGMIF 2
  112. #define MRT6MSG_WHOLEPKT 3 /* used for use level encap */
  113. #define MRT6MSG_WRMIFWHOLE 4 /* For PIM Register and assert processing */
  114. __u8 im6_mbz; /* must be zero */
  115. __u8 im6_msgtype; /* what type of message */
  116. __u16 im6_mif; /* mif rec'd on */
  117. __u32 im6_pad; /* padding for 64 bit arch */
  118. struct in6_addr im6_src, im6_dst;
  119. };
  120. /* ip6mr netlink cache report attributes */
  121. enum {
  122. IP6MRA_CREPORT_UNSPEC,
  123. IP6MRA_CREPORT_MSGTYPE,
  124. IP6MRA_CREPORT_MIF_ID,
  125. IP6MRA_CREPORT_SRC_ADDR,
  126. IP6MRA_CREPORT_DST_ADDR,
  127. IP6MRA_CREPORT_PKT,
  128. __IP6MRA_CREPORT_MAX
  129. };
  130. #define IP6MRA_CREPORT_MAX (__IP6MRA_CREPORT_MAX - 1)
  131. #endif /* __LINUX_MROUTE6_H */