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156 lines
4.8 KiB
156 lines
4.8 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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#ifndef _UAPI__LINUX_MROUTE6_H |
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#define _UAPI__LINUX_MROUTE6_H |
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#include <linux/const.h> |
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#include <linux/types.h> |
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#include <linux/sockios.h> |
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#include <linux/in6.h> /* For struct sockaddr_in6. */ |
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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 ([email protected]) |
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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_FLUSH (MRT6_BASE+12) /* Flush all mfc entries and/or vifs */ |
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#define MRT6_MAX (MRT6_BASE+12) |
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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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/* MRT6_FLUSH optional flags */ |
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#define MRT6_FLUSH_MFC 1 /* Flush multicast entries */ |
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#define MRT6_FLUSH_MFC_STATIC 2 /* Flush static multicast entries */ |
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#define MRT6_FLUSH_MIFS 4 /* Flushing multicast vifs */ |
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#define MRT6_FLUSH_MIFS_STATIC 8 /* Flush static multicast vifs */ |
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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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typedef struct if_set { |
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if_mask ifs_bits[__KERNEL_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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/* ip6mr netlink cache report attributes */ |
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enum { |
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IP6MRA_CREPORT_UNSPEC, |
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IP6MRA_CREPORT_MSGTYPE, |
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IP6MRA_CREPORT_MIF_ID, |
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IP6MRA_CREPORT_SRC_ADDR, |
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IP6MRA_CREPORT_DST_ADDR, |
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IP6MRA_CREPORT_PKT, |
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__IP6MRA_CREPORT_MAX |
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}; |
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#define IP6MRA_CREPORT_MAX (__IP6MRA_CREPORT_MAX - 1) |
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#endif /* _UAPI__LINUX_MROUTE6_H */
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