| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| #ifndef _UAPI__LINUX_MROUTE6_H |
| #define _UAPI__LINUX_MROUTE6_H |
| |
| #include <linux/const.h> |
| #include <linux/types.h> |
| #include <linux/sockios.h> |
| #include <linux/in6.h> /* For struct sockaddr_in6. */ |
| |
| /* |
| * Based on the MROUTING 3.5 defines primarily to keep |
| * source compatibility with BSD. |
| * |
| * See the pim6sd code for the original history. |
| * |
| * Protocol Independent Multicast (PIM) data structures included |
| * Carlos Picoto (cap@di.fc.ul.pt) |
| * |
| */ |
| |
| #define MRT6_BASE 200 |
| #define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */ |
| #define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */ |
| #define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */ |
| #define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */ |
| #define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */ |
| #define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */ |
| #define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */ |
| #define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */ |
| #define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */ |
| #define MRT6_TABLE (MRT6_BASE+9) /* Specify mroute table ID */ |
| #define MRT6_ADD_MFC_PROXY (MRT6_BASE+10) /* Add a (*,*|G) mfc entry */ |
| #define MRT6_DEL_MFC_PROXY (MRT6_BASE+11) /* Del a (*,*|G) mfc entry */ |
| #define MRT6_FLUSH (MRT6_BASE+12) /* Flush all mfc entries and/or vifs */ |
| #define MRT6_MAX (MRT6_BASE+12) |
| |
| #define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */ |
| #define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1) |
| #define SIOCGETRPF (SIOCPROTOPRIVATE+2) |
| |
| /* MRT6_FLUSH optional flags */ |
| #define MRT6_FLUSH_MFC 1 /* Flush multicast entries */ |
| #define MRT6_FLUSH_MFC_STATIC 2 /* Flush static multicast entries */ |
| #define MRT6_FLUSH_MIFS 4 /* Flushing multicast vifs */ |
| #define MRT6_FLUSH_MIFS_STATIC 8 /* Flush static multicast vifs */ |
| |
| #define MAXMIFS 32 |
| typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */ |
| typedef unsigned short mifi_t; |
| #define ALL_MIFS ((mifi_t)(-1)) |
| |
| #ifndef IF_SETSIZE |
| #define IF_SETSIZE 256 |
| #endif |
| |
| typedef __u32 if_mask; |
| #define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */ |
| |
| typedef struct if_set { |
| if_mask ifs_bits[__KERNEL_DIV_ROUND_UP(IF_SETSIZE, NIFBITS)]; |
| } if_set; |
| |
| #define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS))) |
| #define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS))) |
| #define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS))) |
| #define IF_COPY(f, t) bcopy(f, t, sizeof(*(f))) |
| #define IF_ZERO(p) bzero(p, sizeof(*(p))) |
| |
| /* |
| * Passed by mrouted for an MRT_ADD_MIF - again we use the |
| * mrouted 3.6 structures for compatibility |
| */ |
| |
| struct mif6ctl { |
| mifi_t mif6c_mifi; /* Index of MIF */ |
| unsigned char mif6c_flags; /* MIFF_ flags */ |
| unsigned char vifc_threshold; /* ttl limit */ |
| __u16 mif6c_pifi; /* the index of the physical IF */ |
| unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ |
| }; |
| |
| #define MIFF_REGISTER 0x1 /* register vif */ |
| |
| /* |
| * Cache manipulation structures for mrouted and PIMd |
| */ |
| |
| struct mf6cctl { |
| struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */ |
| struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */ |
| mifi_t mf6cc_parent; /* Where it arrived */ |
| struct if_set mf6cc_ifset; /* Where it is going */ |
| }; |
| |
| /* |
| * Group count retrieval for pim6sd |
| */ |
| |
| struct sioc_sg_req6 { |
| struct sockaddr_in6 src; |
| struct sockaddr_in6 grp; |
| unsigned long pktcnt; |
| unsigned long bytecnt; |
| unsigned long wrong_if; |
| }; |
| |
| /* |
| * To get vif packet counts |
| */ |
| |
| struct sioc_mif_req6 { |
| mifi_t mifi; /* Which iface */ |
| unsigned long icount; /* In packets */ |
| unsigned long ocount; /* Out packets */ |
| unsigned long ibytes; /* In bytes */ |
| unsigned long obytes; /* Out bytes */ |
| }; |
| |
| /* |
| * That's all usermode folks |
| */ |
| |
| |
| |
| /* |
| * Structure used to communicate from kernel to multicast router. |
| * We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{} |
| * used for IPv4 implementation). This is because this structure will be passed via an |
| * IPv6 raw socket, on which an application will only receiver the payload i.e the data after |
| * the IPv6 header and all the extension headers. (See section 3 of RFC 3542) |
| */ |
| |
| struct mrt6msg { |
| #define MRT6MSG_NOCACHE 1 |
| #define MRT6MSG_WRONGMIF 2 |
| #define MRT6MSG_WHOLEPKT 3 /* used for use level encap */ |
| #define MRT6MSG_WRMIFWHOLE 4 /* For PIM Register and assert processing */ |
| __u8 im6_mbz; /* must be zero */ |
| __u8 im6_msgtype; /* what type of message */ |
| __u16 im6_mif; /* mif rec'd on */ |
| __u32 im6_pad; /* padding for 64 bit arch */ |
| struct in6_addr im6_src, im6_dst; |
| }; |
| |
| /* ip6mr netlink cache report attributes */ |
| enum { |
| IP6MRA_CREPORT_UNSPEC, |
| IP6MRA_CREPORT_MSGTYPE, |
| IP6MRA_CREPORT_MIF_ID, |
| IP6MRA_CREPORT_SRC_ADDR, |
| IP6MRA_CREPORT_DST_ADDR, |
| IP6MRA_CREPORT_PKT, |
| __IP6MRA_CREPORT_MAX |
| }; |
| #define IP6MRA_CREPORT_MAX (__IP6MRA_CREPORT_MAX - 1) |
| |
| #endif /* _UAPI__LINUX_MROUTE6_H */ |