diff options
Diffstat (limited to 'include/arch/x86_64/linux/mroute.h')
| -rw-r--r-- | include/arch/x86_64/linux/mroute.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/include/arch/x86_64/linux/mroute.h b/include/arch/x86_64/linux/mroute.h new file mode 100644 index 00000000..40bd575e --- /dev/null +++ b/include/arch/x86_64/linux/mroute.h @@ -0,0 +1,186 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __LINUX_MROUTE_H +#define __LINUX_MROUTE_H + +#include <linux/sockios.h> +#include <linux/types.h> +#include <linux/in.h> /* For struct in_addr. */ + +/* 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 MRT_ADD_MFC_PROXY (MRT_BASE + 10) /* Add a (*,*|G) mfc entry */ +#define MRT_DEL_MFC_PROXY (MRT_BASE + 11) /* Del a (*,*|G) mfc entry */ +#define MRT_FLUSH (MRT_BASE + 12) /* Flush all mfc entries and/or vifs */ +#define MRT_MAX (MRT_BASE + 12) + +#define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */ +#define SIOCGETSGCNT (SIOCPROTOPRIVATE + 1) +#define SIOCGETRPF (SIOCPROTOPRIVATE + 2) + +/* MRT_FLUSH optional flags */ +#define MRT_FLUSH_MFC 1 /* Flush multicast entries */ +#define MRT_FLUSH_MFC_STATIC 2 /* Flush static multicast entries */ +#define MRT_FLUSH_VIFS 4 /* Flush multicast vifs */ +#define MRT_FLUSH_VIFS_STATIC 8 /* Flush static multicast vifs */ + +#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; /* Low 8 bits of Interface */ + unsigned char im_vif_hi; /* High 8 bits of Interface */ + struct in_addr im_src, im_dst; +}; + +/* ipmr netlink table attributes */ +enum { + IPMRA_TABLE_UNSPEC, + IPMRA_TABLE_ID, + IPMRA_TABLE_CACHE_RES_QUEUE_LEN, + IPMRA_TABLE_MROUTE_REG_VIF_NUM, + IPMRA_TABLE_MROUTE_DO_ASSERT, + IPMRA_TABLE_MROUTE_DO_PIM, + IPMRA_TABLE_VIFS, + IPMRA_TABLE_MROUTE_DO_WRVIFWHOLE, + __IPMRA_TABLE_MAX +}; +#define IPMRA_TABLE_MAX (__IPMRA_TABLE_MAX - 1) + +/* ipmr netlink vif attribute format + * [ IPMRA_TABLE_VIFS ] - nested attribute + * [ IPMRA_VIF ] - nested attribute + * [ IPMRA_VIFA_xxx ] + */ +enum { IPMRA_VIF_UNSPEC, IPMRA_VIF, __IPMRA_VIF_MAX }; +#define IPMRA_VIF_MAX (__IPMRA_VIF_MAX - 1) + +/* vif-specific attributes */ +enum { + IPMRA_VIFA_UNSPEC, + IPMRA_VIFA_IFINDEX, + IPMRA_VIFA_VIF_ID, + IPMRA_VIFA_FLAGS, + IPMRA_VIFA_BYTES_IN, + IPMRA_VIFA_BYTES_OUT, + IPMRA_VIFA_PACKETS_IN, + IPMRA_VIFA_PACKETS_OUT, + IPMRA_VIFA_LOCAL_ADDR, + IPMRA_VIFA_REMOTE_ADDR, + IPMRA_VIFA_PAD, + __IPMRA_VIFA_MAX +}; +#define IPMRA_VIFA_MAX (__IPMRA_VIFA_MAX - 1) + +/* ipmr netlink cache report attributes */ +enum { + IPMRA_CREPORT_UNSPEC, + IPMRA_CREPORT_MSGTYPE, + IPMRA_CREPORT_VIF_ID, + IPMRA_CREPORT_SRC_ADDR, + IPMRA_CREPORT_DST_ADDR, + IPMRA_CREPORT_PKT, + IPMRA_CREPORT_TABLE, + __IPMRA_CREPORT_MAX +}; +#define IPMRA_CREPORT_MAX (__IPMRA_CREPORT_MAX - 1) + +/* 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 */ +#define IGMPMSG_WRVIFWHOLE 4 /* For PIM Register and assert processing */ + +#endif /* __LINUX_MROUTE_H */ |