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187 lines
5.8 KiB
187 lines
5.8 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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#ifndef _UAPI__LINUX_MROUTE_H |
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#define _UAPI__LINUX_MROUTE_H |
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#include <linux/sockios.h> |
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#include <linux/types.h> |
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#include <linux/in.h> /* For struct in_addr. */ |
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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 mrouted 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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#define MRT_BASE 200 |
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#define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */ |
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#define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */ |
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#define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */ |
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#define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */ |
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#define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */ |
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#define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */ |
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#define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */ |
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#define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */ |
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#define MRT_PIM (MRT_BASE+8) /* enable PIM code */ |
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#define MRT_TABLE (MRT_BASE+9) /* Specify mroute table ID */ |
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#define MRT_ADD_MFC_PROXY (MRT_BASE+10) /* Add a (*,*|G) mfc entry */ |
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#define MRT_DEL_MFC_PROXY (MRT_BASE+11) /* Del a (*,*|G) mfc entry */ |
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#define MRT_FLUSH (MRT_BASE+12) /* Flush all mfc entries and/or vifs */ |
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#define MRT_MAX (MRT_BASE+12) |
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#define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */ |
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#define SIOCGETSGCNT (SIOCPROTOPRIVATE+1) |
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#define SIOCGETRPF (SIOCPROTOPRIVATE+2) |
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/* MRT_FLUSH optional flags */ |
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#define MRT_FLUSH_MFC 1 /* Flush multicast entries */ |
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#define MRT_FLUSH_MFC_STATIC 2 /* Flush static multicast entries */ |
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#define MRT_FLUSH_VIFS 4 /* Flush multicast vifs */ |
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#define MRT_FLUSH_VIFS_STATIC 8 /* Flush static multicast vifs */ |
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#define MAXVIFS 32 |
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typedef unsigned long vifbitmap_t; /* User mode code depends on this lot */ |
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typedef unsigned short vifi_t; |
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#define ALL_VIFS ((vifi_t)(-1)) |
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/* Same idea as select */ |
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#define VIFM_SET(n,m) ((m)|=(1<<(n))) |
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#define VIFM_CLR(n,m) ((m)&=~(1<<(n))) |
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#define VIFM_ISSET(n,m) ((m)&(1<<(n))) |
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#define VIFM_CLRALL(m) ((m)=0) |
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#define VIFM_COPY(mfrom,mto) ((mto)=(mfrom)) |
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#define VIFM_SAME(m1,m2) ((m1)==(m2)) |
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/* Passed by mrouted for an MRT_ADD_VIF - again we use the |
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* mrouted 3.6 structures for compatibility |
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*/ |
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struct vifctl { |
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vifi_t vifc_vifi; /* Index of VIF */ |
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unsigned char vifc_flags; /* VIFF_ flags */ |
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unsigned char vifc_threshold; /* ttl limit */ |
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unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ |
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union { |
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struct in_addr vifc_lcl_addr; /* Local interface address */ |
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int vifc_lcl_ifindex; /* Local interface index */ |
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}; |
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struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */ |
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}; |
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#define VIFF_TUNNEL 0x1 /* IPIP tunnel */ |
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#define VIFF_SRCRT 0x2 /* NI */ |
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#define VIFF_REGISTER 0x4 /* register vif */ |
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#define VIFF_USE_IFINDEX 0x8 /* use vifc_lcl_ifindex instead of |
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vifc_lcl_addr to find an interface */ |
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/* Cache manipulation structures for mrouted and PIMd */ |
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struct mfcctl { |
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struct in_addr mfcc_origin; /* Origin of mcast */ |
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struct in_addr mfcc_mcastgrp; /* Group in question */ |
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vifi_t mfcc_parent; /* Where it arrived */ |
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unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */ |
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unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */ |
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unsigned int mfcc_byte_cnt; |
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unsigned int mfcc_wrong_if; |
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int mfcc_expire; |
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}; |
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/* Group count retrieval for mrouted */ |
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struct sioc_sg_req { |
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struct in_addr src; |
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struct in_addr 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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/* To get vif packet counts */ |
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struct sioc_vif_req { |
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vifi_t vifi; /* 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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/* This is the format the mroute daemon expects to see IGMP control |
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* data. Magically happens to be like an IP packet as per the original |
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*/ |
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struct igmpmsg { |
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__u32 unused1,unused2; |
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unsigned char im_msgtype; /* What is this */ |
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unsigned char im_mbz; /* Must be zero */ |
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unsigned char im_vif; /* Low 8 bits of Interface */ |
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unsigned char im_vif_hi; /* High 8 bits of Interface */ |
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struct in_addr im_src,im_dst; |
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}; |
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/* ipmr netlink table attributes */ |
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enum { |
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IPMRA_TABLE_UNSPEC, |
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IPMRA_TABLE_ID, |
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IPMRA_TABLE_CACHE_RES_QUEUE_LEN, |
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IPMRA_TABLE_MROUTE_REG_VIF_NUM, |
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IPMRA_TABLE_MROUTE_DO_ASSERT, |
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IPMRA_TABLE_MROUTE_DO_PIM, |
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IPMRA_TABLE_VIFS, |
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IPMRA_TABLE_MROUTE_DO_WRVIFWHOLE, |
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__IPMRA_TABLE_MAX |
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}; |
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#define IPMRA_TABLE_MAX (__IPMRA_TABLE_MAX - 1) |
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/* ipmr netlink vif attribute format |
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* [ IPMRA_TABLE_VIFS ] - nested attribute |
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* [ IPMRA_VIF ] - nested attribute |
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* [ IPMRA_VIFA_xxx ] |
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*/ |
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enum { |
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IPMRA_VIF_UNSPEC, |
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IPMRA_VIF, |
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__IPMRA_VIF_MAX |
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}; |
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#define IPMRA_VIF_MAX (__IPMRA_VIF_MAX - 1) |
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/* vif-specific attributes */ |
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enum { |
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IPMRA_VIFA_UNSPEC, |
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IPMRA_VIFA_IFINDEX, |
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IPMRA_VIFA_VIF_ID, |
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IPMRA_VIFA_FLAGS, |
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IPMRA_VIFA_BYTES_IN, |
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IPMRA_VIFA_BYTES_OUT, |
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IPMRA_VIFA_PACKETS_IN, |
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IPMRA_VIFA_PACKETS_OUT, |
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IPMRA_VIFA_LOCAL_ADDR, |
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IPMRA_VIFA_REMOTE_ADDR, |
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IPMRA_VIFA_PAD, |
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__IPMRA_VIFA_MAX |
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}; |
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#define IPMRA_VIFA_MAX (__IPMRA_VIFA_MAX - 1) |
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/* ipmr netlink cache report attributes */ |
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enum { |
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IPMRA_CREPORT_UNSPEC, |
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IPMRA_CREPORT_MSGTYPE, |
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IPMRA_CREPORT_VIF_ID, |
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IPMRA_CREPORT_SRC_ADDR, |
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IPMRA_CREPORT_DST_ADDR, |
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IPMRA_CREPORT_PKT, |
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IPMRA_CREPORT_TABLE, |
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__IPMRA_CREPORT_MAX |
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}; |
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#define IPMRA_CREPORT_MAX (__IPMRA_CREPORT_MAX - 1) |
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/* That's all usermode folks */ |
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#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ |
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/* Pseudo messages used by mrouted */ |
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#define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */ |
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#define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */ |
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#define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */ |
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#define IGMPMSG_WRVIFWHOLE 4 /* For PIM Register and assert processing */ |
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#endif /* _UAPI__LINUX_MROUTE_H */
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