diff options
Diffstat (limited to 'include/uapi/linux/mroute.h')
| -rw-r--r-- | include/uapi/linux/mroute.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/include/uapi/linux/mroute.h b/include/uapi/linux/mroute.h new file mode 100644 index 000000000000..16929993acc4 --- /dev/null +++ b/include/uapi/linux/mroute.h @@ -0,0 +1,143 @@ +#ifndef _UAPI__LINUX_MROUTE_H +#define _UAPI__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 MRT_TABLE (MRT_BASE+9) /* Specify mroute table ID */ + +#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) */ + union { + struct in_addr vifc_lcl_addr; /* Local interface address */ + int vifc_lcl_ifindex; /* Local interface index */ + }; + 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 */ +#define VIFF_USE_IFINDEX 0x8 /* use vifc_lcl_ifindex instead of + vifc_lcl_addr to find an interface */ + +/* + * 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 /* _UAPI__LINUX_MROUTE_H */ |