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146 lines
4.1 KiB
146 lines
4.1 KiB
#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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/* |
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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 (cap@di.fc.ul.pt) |
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* |
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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_MAX (MRT_BASE+11) |
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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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#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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/* |
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* Same idea as select |
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*/ |
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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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/* |
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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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/* |
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* Cache manipulation structures for mrouted and PIMd |
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*/ |
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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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/* |
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* Group count retrieval for mrouted |
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*/ |
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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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/* |
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* To get vif packet counts |
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*/ |
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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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/* |
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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; /* Interface (this ought to be a vifi_t!) */ |
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unsigned char unused3; |
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struct in_addr im_src,im_dst; |
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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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#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ |
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/* |
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* Pseudo messages used by mrouted |
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*/ |
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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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#endif /* _UAPI__LINUX_MROUTE_H */
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