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git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - include/uapi/linux/mroute.h
1 #ifndef _UAPI__LINUX_MROUTE_H
2 #define _UAPI__LINUX_MROUTE_H
4 #include <linux/sockios.h>
5 #include <linux/types.h>
8 * Based on the MROUTING 3.5 defines primarily to keep
9 * source compatibility with BSD.
11 * See the mrouted code for the original history.
13 * Protocol Independent Multicast (PIM) data structures included
14 * Carlos Picoto (cap@di.fc.ul.pt)
19 #define MRT_INIT (MRT_BASE) /* Activate the kernel mroute code */
20 #define MRT_DONE (MRT_BASE+1) /* Shutdown the kernel mroute */
21 #define MRT_ADD_VIF (MRT_BASE+2) /* Add a virtual interface */
22 #define MRT_DEL_VIF (MRT_BASE+3) /* Delete a virtual interface */
23 #define MRT_ADD_MFC (MRT_BASE+4) /* Add a multicast forwarding entry */
24 #define MRT_DEL_MFC (MRT_BASE+5) /* Delete a multicast forwarding entry */
25 #define MRT_VERSION (MRT_BASE+6) /* Get the kernel multicast version */
26 #define MRT_ASSERT (MRT_BASE+7) /* Activate PIM assert mode */
27 #define MRT_PIM (MRT_BASE+8) /* enable PIM code */
28 #define MRT_TABLE (MRT_BASE+9) /* Specify mroute table ID */
30 #define SIOCGETVIFCNT SIOCPROTOPRIVATE /* IP protocol privates */
31 #define SIOCGETSGCNT (SIOCPROTOPRIVATE+1)
32 #define SIOCGETRPF (SIOCPROTOPRIVATE+2)
35 typedef unsigned long vifbitmap_t
; /* User mode code depends on this lot */
36 typedef unsigned short vifi_t
;
37 #define ALL_VIFS ((vifi_t)(-1))
43 #define VIFM_SET(n,m) ((m)|=(1<<(n)))
44 #define VIFM_CLR(n,m) ((m)&=~(1<<(n)))
45 #define VIFM_ISSET(n,m) ((m)&(1<<(n)))
46 #define VIFM_CLRALL(m) ((m)=0)
47 #define VIFM_COPY(mfrom,mto) ((mto)=(mfrom))
48 #define VIFM_SAME(m1,m2) ((m1)==(m2))
51 * Passed by mrouted for an MRT_ADD_VIF - again we use the
52 * mrouted 3.6 structures for compatibility
56 vifi_t vifc_vifi
; /* Index of VIF */
57 unsigned char vifc_flags
; /* VIFF_ flags */
58 unsigned char vifc_threshold
; /* ttl limit */
59 unsigned int vifc_rate_limit
; /* Rate limiter values (NI) */
61 struct in_addr vifc_lcl_addr
; /* Local interface address */
62 int vifc_lcl_ifindex
; /* Local interface index */
64 struct in_addr vifc_rmt_addr
; /* IPIP tunnel addr */
67 #define VIFF_TUNNEL 0x1 /* IPIP tunnel */
68 #define VIFF_SRCRT 0x2 /* NI */
69 #define VIFF_REGISTER 0x4 /* register vif */
70 #define VIFF_USE_IFINDEX 0x8 /* use vifc_lcl_ifindex instead of
71 vifc_lcl_addr to find an interface */
74 * Cache manipulation structures for mrouted and PIMd
78 struct in_addr mfcc_origin
; /* Origin of mcast */
79 struct in_addr mfcc_mcastgrp
; /* Group in question */
80 vifi_t mfcc_parent
; /* Where it arrived */
81 unsigned char mfcc_ttls
[MAXVIFS
]; /* Where it is going */
82 unsigned int mfcc_pkt_cnt
; /* pkt count for src-grp */
83 unsigned int mfcc_byte_cnt
;
84 unsigned int mfcc_wrong_if
;
89 * Group count retrieval for mrouted
96 unsigned long bytecnt
;
97 unsigned long wrong_if
;
101 * To get vif packet counts
104 struct sioc_vif_req
{
105 vifi_t vifi
; /* Which iface */
106 unsigned long icount
; /* In packets */
107 unsigned long ocount
; /* Out packets */
108 unsigned long ibytes
; /* In bytes */
109 unsigned long obytes
; /* Out bytes */
113 * This is the format the mroute daemon expects to see IGMP control
114 * data. Magically happens to be like an IP packet as per the original
118 __u32 unused1
,unused2
;
119 unsigned char im_msgtype
; /* What is this */
120 unsigned char im_mbz
; /* Must be zero */
121 unsigned char im_vif
; /* Interface (this ought to be a vifi_t!) */
122 unsigned char unused3
;
123 struct in_addr im_src
,im_dst
;
127 * That's all usermode folks
132 #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */
135 * Pseudo messages used by mrouted
138 #define IGMPMSG_NOCACHE 1 /* Kern cache fill request to mrouted */
139 #define IGMPMSG_WRONGVIF 2 /* For PIM assert processing (unused) */
140 #define IGMPMSG_WHOLEPKT 3 /* For PIM Register processing */
143 #endif /* _UAPI__LINUX_MROUTE_H */