| #ifndef __LINUX_MROUTE_H |
| #define __LINUX_MROUTE_H |
| |
| #include <linux/sockios.h> |
| #include <linux/types.h> |
| |
| /* |
| * Based on the MROUTING 3.5 defines primarily to keep |
| * source compatibility with BSD. |
| * |
| * See the mrouted code for the original history. |
| * |
| * Protocol Independent Multicast (PIM) data structures included |
| * Carlos Picoto (cap@di.fc.ul.pt) |
| * |
| */ |
| |
| #define MRT_BASE 200 |
| #define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */ |
| #define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */ |
| #define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */ |
| #define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */ |
| #define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */ |
| #define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */ |
| #define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */ |
| #define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */ |
| #define MRT_PIM (MRT_BASE+8) /* enable PIM code */ |
| |
| #define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */ |
| #define SIOCGETSGCNT (SIOCPROTOPRIVATE+1) |
| #define SIOCGETRPF (SIOCPROTOPRIVATE+2) |
| |
| #define MAXVIFS 32 |
| typedef unsigned long vifbitmap_t; /* User mode code depends on this lot */ |
| typedef unsigned short vifi_t; |
| #define ALL_VIFS ((vifi_t)(-1)) |
| |
| /* |
| * Same idea as select |
| */ |
| |
| #define VIFM_SET(n,m) ((m)|=(1<<(n))) |
| #define VIFM_CLR(n,m) ((m)&=~(1<<(n))) |
| #define VIFM_ISSET(n,m) ((m)&(1<<(n))) |
| #define VIFM_CLRALL(m) ((m)=0) |
| #define VIFM_COPY(mfrom,mto) ((mto)=(mfrom)) |
| #define VIFM_SAME(m1,m2) ((m1)==(m2)) |
| |
| /* |
| * Passed by mrouted for an MRT_ADD_VIF - again we use the |
| * mrouted 3.6 structures for compatibility |
| */ |
| |
| struct vifctl { |
| vifi_t vifc_vifi; /* Index of VIF */ |
| unsigned char vifc_flags; /* VIFF_ flags */ |
| unsigned char vifc_threshold; /* ttl limit */ |
| unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ |
| struct in_addr vifc_lcl_addr; /* Our address */ |
| struct in_addr vifc_rmt_addr; /* IPIP tunnel addr */ |
| }; |
| |
| #define VIFF_TUNNEL 0x1 /* IPIP tunnel */ |
| #define VIFF_SRCRT 0x2 /* NI */ |
| #define VIFF_REGISTER 0x4 /* register vif */ |
| |
| /* |
| * Cache manipulation structures for mrouted and PIMd |
| */ |
| |
| struct mfcctl |
| { |
| struct in_addr mfcc_origin; /* Origin of mcast */ |
| struct in_addr mfcc_mcastgrp; /* Group in question */ |
| vifi_t mfcc_parent; /* Where it arrived */ |
| unsigned char mfcc_ttls[MAXVIFS]; /* Where it is going */ |
| unsigned int mfcc_pkt_cnt; /* pkt count for src-grp */ |
| unsigned int mfcc_byte_cnt; |
| unsigned int mfcc_wrong_if; |
| int mfcc_expire; |
| }; |
| |
| /* |
| * Group count retrieval for mrouted |
| */ |
| |
| struct sioc_sg_req |
| { |
| struct in_addr src; |
| struct in_addr grp; |
| unsigned long pktcnt; |
| unsigned long bytecnt; |
| unsigned long wrong_if; |
| }; |
| |
| /* |
| * To get vif packet counts |
| */ |
| |
| struct sioc_vif_req |
| { |
| vifi_t vifi; /* Which iface */ |
| unsigned long icount; /* In packets */ |
| unsigned long ocount; /* Out packets */ |
| unsigned long ibytes; /* In bytes */ |
| unsigned long obytes; /* Out bytes */ |
| }; |
| |
| /* |
| * This is the format the mroute daemon expects to see IGMP control |
| * data. Magically happens to be like an IP packet as per the original |
| */ |
| |
| struct igmpmsg |
| { |
| __u32 unused1,unused2; |
| unsigned char im_msgtype; /* What is this */ |
| unsigned char im_mbz; /* Must be zero */ |
| unsigned char im_vif; /* Interface (this ought to be a vifi_t!) */ |
| unsigned char unused3; |
| struct in_addr im_src,im_dst; |
| }; |
| |
| /* |
| * That's all usermode folks |
| */ |
| |
| |
| |
| #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ |
| |
| /* |
| * Pseudo messages used by mrouted |
| */ |
| |
| #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */ |
| #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */ |
| #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */ |
| |
| |
| #endif |