Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 2 | #ifndef _UAPI__LINUX_MROUTE6_H |
| 3 | #define _UAPI__LINUX_MROUTE6_H |
| 4 | |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 5 | #include <linux/kernel.h> |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 6 | #include <linux/types.h> |
| 7 | #include <linux/sockios.h> |
Christopher Ferris | 0543f74 | 2017-07-26 13:09:46 -0700 | [diff] [blame] | 8 | #include <linux/in6.h> /* For struct sockaddr_in6. */ |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 9 | |
| 10 | /* |
| 11 | * Based on the MROUTING 3.5 defines primarily to keep |
| 12 | * source compatibility with BSD. |
| 13 | * |
| 14 | * See the pim6sd code for the original history. |
| 15 | * |
| 16 | * Protocol Independent Multicast (PIM) data structures included |
| 17 | * Carlos Picoto (cap@di.fc.ul.pt) |
| 18 | * |
| 19 | */ |
| 20 | |
| 21 | #define MRT6_BASE 200 |
| 22 | #define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */ |
| 23 | #define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */ |
| 24 | #define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */ |
| 25 | #define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */ |
| 26 | #define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */ |
| 27 | #define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */ |
| 28 | #define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */ |
| 29 | #define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */ |
| 30 | #define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */ |
| 31 | #define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */ |
| 32 | #define MRT6_ADD_MFC_PROXY (MRT6_BASE+10) /* Add a (*,*|G) mfc entry */ |
| 33 | #define MRT6_DEL_MFC_PROXY (MRT6_BASE+11) /* Del a (*,*|G) mfc entry */ |
| 34 | #define MRT6_MAX (MRT6_BASE+11) |
| 35 | |
| 36 | #define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */ |
| 37 | #define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1) |
| 38 | #define SIOCGETRPF (SIOCPROTOPRIVATE+2) |
| 39 | |
| 40 | #define MAXMIFS 32 |
| 41 | typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */ |
| 42 | typedef unsigned short mifi_t; |
| 43 | #define ALL_MIFS ((mifi_t)(-1)) |
| 44 | |
| 45 | #ifndef IF_SETSIZE |
| 46 | #define IF_SETSIZE 256 |
| 47 | #endif |
| 48 | |
| 49 | typedef __u32 if_mask; |
| 50 | #define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */ |
| 51 | |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 52 | typedef struct if_set { |
Christopher Ferris | ccfaccd | 2016-08-24 12:11:31 -0700 | [diff] [blame] | 53 | if_mask ifs_bits[__KERNEL_DIV_ROUND_UP(IF_SETSIZE, NIFBITS)]; |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 54 | } if_set; |
| 55 | |
| 56 | #define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS))) |
| 57 | #define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS))) |
| 58 | #define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS))) |
| 59 | #define IF_COPY(f, t) bcopy(f, t, sizeof(*(f))) |
| 60 | #define IF_ZERO(p) bzero(p, sizeof(*(p))) |
| 61 | |
| 62 | /* |
| 63 | * Passed by mrouted for an MRT_ADD_MIF - again we use the |
| 64 | * mrouted 3.6 structures for compatibility |
| 65 | */ |
| 66 | |
| 67 | struct mif6ctl { |
| 68 | mifi_t mif6c_mifi; /* Index of MIF */ |
| 69 | unsigned char mif6c_flags; /* MIFF_ flags */ |
| 70 | unsigned char vifc_threshold; /* ttl limit */ |
| 71 | __u16 mif6c_pifi; /* the index of the physical IF */ |
| 72 | unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ |
| 73 | }; |
| 74 | |
| 75 | #define MIFF_REGISTER 0x1 /* register vif */ |
| 76 | |
| 77 | /* |
| 78 | * Cache manipulation structures for mrouted and PIMd |
| 79 | */ |
| 80 | |
| 81 | struct mf6cctl { |
| 82 | struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */ |
| 83 | struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */ |
| 84 | mifi_t mf6cc_parent; /* Where it arrived */ |
| 85 | struct if_set mf6cc_ifset; /* Where it is going */ |
| 86 | }; |
| 87 | |
| 88 | /* |
| 89 | * Group count retrieval for pim6sd |
| 90 | */ |
| 91 | |
| 92 | struct sioc_sg_req6 { |
| 93 | struct sockaddr_in6 src; |
| 94 | struct sockaddr_in6 grp; |
| 95 | unsigned long pktcnt; |
| 96 | unsigned long bytecnt; |
| 97 | unsigned long wrong_if; |
| 98 | }; |
| 99 | |
| 100 | /* |
| 101 | * To get vif packet counts |
| 102 | */ |
| 103 | |
| 104 | struct sioc_mif_req6 { |
| 105 | mifi_t mifi; /* Which iface */ |
| 106 | unsigned long icount; /* In packets */ |
| 107 | unsigned long ocount; /* Out packets */ |
| 108 | unsigned long ibytes; /* In bytes */ |
| 109 | unsigned long obytes; /* Out bytes */ |
| 110 | }; |
| 111 | |
| 112 | /* |
| 113 | * That's all usermode folks |
| 114 | */ |
| 115 | |
| 116 | |
| 117 | |
| 118 | /* |
| 119 | * Structure used to communicate from kernel to multicast router. |
| 120 | * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{} |
| 121 | * used for IPv4 implementation). This is because this structure will be passed via an |
| 122 | * IPv6 raw socket, on which an application will only receiver the payload i.e the data after |
| 123 | * the IPv6 header and all the extension headers. (See section 3 of RFC 3542) |
| 124 | */ |
| 125 | |
| 126 | struct mrt6msg { |
| 127 | #define MRT6MSG_NOCACHE 1 |
| 128 | #define MRT6MSG_WRONGMIF 2 |
| 129 | #define MRT6MSG_WHOLEPKT 3 /* used for use level encap */ |
| 130 | __u8 im6_mbz; /* must be zero */ |
| 131 | __u8 im6_msgtype; /* what type of message */ |
| 132 | __u16 im6_mif; /* mif rec'd on */ |
| 133 | __u32 im6_pad; /* padding for 64 bit arch */ |
| 134 | struct in6_addr im6_src, im6_dst; |
| 135 | }; |
| 136 | |
Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame] | 137 | /* ip6mr netlink cache report attributes */ |
| 138 | enum { |
| 139 | IP6MRA_CREPORT_UNSPEC, |
| 140 | IP6MRA_CREPORT_MSGTYPE, |
| 141 | IP6MRA_CREPORT_MIF_ID, |
| 142 | IP6MRA_CREPORT_SRC_ADDR, |
| 143 | IP6MRA_CREPORT_DST_ADDR, |
| 144 | IP6MRA_CREPORT_PKT, |
| 145 | __IP6MRA_CREPORT_MAX |
| 146 | }; |
| 147 | #define IP6MRA_CREPORT_MAX (__IP6MRA_CREPORT_MAX - 1) |
| 148 | |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 149 | #endif /* _UAPI__LINUX_MROUTE6_H */ |