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7ef8f65df9
Trivial code and comment style fixes, also removed some extra newlines, spaces and tabs. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
122 lines
4.1 KiB
C
122 lines
4.1 KiB
C
#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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/* 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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#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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/* Same idea as select */
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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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/* 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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/* Cache manipulation structures for mrouted and PIMd */
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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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/* Group count retrieval for mrouted */
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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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/* To get vif packet counts */
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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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/* 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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/* That's all usermode folks */
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#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */
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/* Pseudo messages used by mrouted */
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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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