author | Florian Westphal <fw@strlen.de> |
Thu, 09 Apr 2009 12:07:21 +0200 | |
changeset 2 | d1f6d8b6f81c |
parent 0 | aa628870c1d3 |
permissions | -rw-r--r-- |
0
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#ifndef __LINUX_MROUTE6_H |
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#define __LINUX_MROUTE6_H |
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|
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#include <linux/types.h> |
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#include <linux/sockios.h> |
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/* |
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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 pim6sd 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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*/ |
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#define MRT6_BASE 200 |
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#define MRT6_INIT (MRT6_BASE) /* Activate the kernel mroute code */ |
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#define MRT6_DONE (MRT6_BASE+1) /* Shutdown the kernel mroute */ |
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#define MRT6_ADD_MIF (MRT6_BASE+2) /* Add a virtual interface */ |
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#define MRT6_DEL_MIF (MRT6_BASE+3) /* Delete a virtual interface */ |
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#define MRT6_ADD_MFC (MRT6_BASE+4) /* Add a multicast forwarding entry */ |
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#define MRT6_DEL_MFC (MRT6_BASE+5) /* Delete a multicast forwarding entry */ |
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#define MRT6_VERSION (MRT6_BASE+6) /* Get the kernel multicast version */ |
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#define MRT6_ASSERT (MRT6_BASE+7) /* Activate PIM assert mode */ |
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#define MRT6_PIM (MRT6_BASE+8) /* enable PIM code */ |
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#define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE /* IP protocol privates */ |
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#define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1) |
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#define SIOCGETRPF (SIOCPROTOPRIVATE+2) |
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#define MAXMIFS 32 |
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typedef unsigned long mifbitmap_t; /* User mode code depends on this lot */ |
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typedef unsigned short mifi_t; |
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#define ALL_MIFS ((mifi_t)(-1)) |
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#ifndef IF_SETSIZE |
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#define IF_SETSIZE 256 |
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#endif |
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typedef __u32 if_mask; |
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#define NIFBITS (sizeof(if_mask) * 8) /* bits per mask */ |
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#if !defined(__KERNEL__) && !defined(DIV_ROUND_UP) |
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#define DIV_ROUND_UP(x,y) (((x) + ((y) - 1)) / (y)) |
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#endif |
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typedef struct if_set { |
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if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)]; |
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} if_set; |
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#define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS))) |
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#define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS))) |
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#define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS))) |
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#define IF_COPY(f, t) bcopy(f, t, sizeof(*(f))) |
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#define IF_ZERO(p) bzero(p, sizeof(*(p))) |
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/* |
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* Passed by mrouted for an MRT_ADD_MIF - again we use the |
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* mrouted 3.6 structures for compatibility |
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*/ |
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struct mif6ctl { |
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mifi_t mif6c_mifi; /* Index of MIF */ |
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unsigned char mif6c_flags; /* MIFF_ flags */ |
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unsigned char vifc_threshold; /* ttl limit */ |
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u_short mif6c_pifi; /* the index of the physical IF */ |
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unsigned int vifc_rate_limit; /* Rate limiter values (NI) */ |
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}; |
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#define MIFF_REGISTER 0x1 /* register vif */ |
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/* |
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* Cache manipulation structures for mrouted and PIMd |
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*/ |
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struct mf6cctl |
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{ |
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struct sockaddr_in6 mf6cc_origin; /* Origin of mcast */ |
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struct sockaddr_in6 mf6cc_mcastgrp; /* Group in question */ |
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mifi_t mf6cc_parent; /* Where it arrived */ |
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struct if_set mf6cc_ifset; /* Where it is going */ |
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}; |
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/* |
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* Group count retrieval for pim6sd |
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*/ |
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struct sioc_sg_req6 |
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{ |
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struct sockaddr_in6 src; |
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struct sockaddr_in6 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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/* |
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* To get vif packet counts |
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*/ |
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struct sioc_mif_req6 |
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{ |
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mifi_t mifi; /* 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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/* |
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* That's all usermode folks |
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Port of Linux 2.6.28 for use with network simulation cradle.
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*/ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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#ifdef __KERNEL__ |
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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#include <linux/pim.h> |
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#include <linux/skbuff.h> /* for struct sk_buff_head */ |
2 | 120 |
#include <net/net_namespace.h> |
0
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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#ifdef CONFIG_IPV6_MROUTE |
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static inline int ip6_mroute_opt(int opt) |
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{ |
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return (opt >= MRT6_BASE) && (opt <= MRT6_BASE + 10); |
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} |
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#else |
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static inline int ip6_mroute_opt(int opt) |
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{ |
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return 0; |
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} |
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#endif |
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|
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struct sock; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
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#ifdef CONFIG_IPV6_MROUTE |
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extern int ip6_mroute_setsockopt(struct sock *, int, char __user *, int); |
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extern int ip6_mroute_getsockopt(struct sock *, int, char __user *, int __user *); |
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extern int ip6_mr_input(struct sk_buff *skb); |
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extern int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg); |
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extern int ip6_mr_init(void); |
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extern void ip6_mr_cleanup(void); |
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#else |
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static inline |
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int ip6_mroute_setsockopt(struct sock *sock, |
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int optname, char __user *optval, int optlen) |
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{ |
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return -ENOPROTOOPT; |
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} |
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|
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static inline |
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int ip6_mroute_getsockopt(struct sock *sock, |
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int optname, char __user *optval, int __user *optlen) |
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{ |
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return -ENOPROTOOPT; |
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} |
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|
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static inline |
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int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg) |
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{ |
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return -ENOIOCTLCMD; |
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162 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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163 |
|
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static inline int ip6_mr_init(void) |
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{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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166 |
return 0; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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167 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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168 |
|
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169 |
static inline void ip6_mr_cleanup(void) |
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{ |
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171 |
return; |
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172 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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173 |
#endif |
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Port of Linux 2.6.28 for use with network simulation cradle.
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174 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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175 |
struct mif_device |
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Port of Linux 2.6.28 for use with network simulation cradle.
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176 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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177 |
struct net_device *dev; /* Device we are using */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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178 |
unsigned long bytes_in,bytes_out; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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179 |
unsigned long pkt_in,pkt_out; /* Statistics */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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180 |
unsigned long rate_limit; /* Traffic shaping (NI) */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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181 |
unsigned char threshold; /* TTL threshold */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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|
182 |
unsigned short flags; /* Control flags */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
183 |
int link; /* Physical interface index */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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|
184 |
}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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185 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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186 |
#define VIFF_STATIC 0x8000 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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187 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
188 |
struct mfc6_cache |
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Port of Linux 2.6.28 for use with network simulation cradle.
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189 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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190 |
struct mfc6_cache *next; /* Next entry on cache line */ |
2 | 191 |
#ifdef CONFIG_NET_NS |
192 |
struct net *mfc6_net; |
|
193 |
#endif |
|
0
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
194 |
struct in6_addr mf6c_mcastgrp; /* Group the entry belongs to */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
195 |
struct in6_addr mf6c_origin; /* Source of packet */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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196 |
mifi_t mf6c_parent; /* Source interface */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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197 |
int mfc_flags; /* Flags on line */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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198 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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199 |
union { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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200 |
struct { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
201 |
unsigned long expires; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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|
202 |
struct sk_buff_head unresolved; /* Unresolved buffers */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
203 |
} unres; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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204 |
struct { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
205 |
unsigned long last_assert; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
206 |
int minvif; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
207 |
int maxvif; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
208 |
unsigned long bytes; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
209 |
unsigned long pkt; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
210 |
unsigned long wrong_if; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
211 |
unsigned char ttls[MAXMIFS]; /* TTL thresholds */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
212 |
} res; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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|
213 |
} mfc_un; |
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|
214 |
}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
215 |
|
2 | 216 |
static inline |
217 |
struct net *mfc6_net(const struct mfc6_cache *mfc) |
|
218 |
{ |
|
219 |
return read_pnet(&mfc->mfc6_net); |
|
220 |
} |
|
221 |
||
222 |
static inline |
|
223 |
void mfc6_net_set(struct mfc6_cache *mfc, struct net *net) |
|
224 |
{ |
|
225 |
write_pnet(&mfc->mfc6_net, hold_net(net)); |
|
226 |
} |
|
227 |
||
0
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
228 |
#define MFC_STATIC 1 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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229 |
#define MFC_NOTIFY 2 |
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230 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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231 |
#define MFC6_LINES 64 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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232 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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233 |
#define MFC6_HASH(a, g) (((__force u32)(a)->s6_addr32[0] ^ \ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
234 |
(__force u32)(a)->s6_addr32[1] ^ \ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
235 |
(__force u32)(a)->s6_addr32[2] ^ \ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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|
236 |
(__force u32)(a)->s6_addr32[3] ^ \ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
237 |
(__force u32)(g)->s6_addr32[0] ^ \ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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|
238 |
(__force u32)(g)->s6_addr32[1] ^ \ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
239 |
(__force u32)(g)->s6_addr32[2] ^ \ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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(__force u32)(g)->s6_addr32[3]) % MFC6_LINES) |
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#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ |
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#endif |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#ifdef __KERNEL__ |
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struct rtmsg; |
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extern int ip6mr_get_route(struct net *net, struct sk_buff *skb, |
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struct rtmsg *rtm, int nowait); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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#ifdef CONFIG_IPV6_MROUTE |
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static inline struct sock *mroute6_socket(struct net *net) |
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{ |
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return net->ipv6.mroute6_sk; |
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} |
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extern int ip6mr_sk_done(struct sock *sk); |
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#else |
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static inline struct sock *mroute6_socket(struct net *net) { return NULL; } |
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static inline int ip6mr_sk_done(struct sock *sk) { return 0; } |
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#endif |
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#endif |
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/* |
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* Structure used to communicate from kernel to multicast router. |
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* We'll overlay the structure onto an MLD header (not an IPv6 heder like igmpmsg{} |
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* used for IPv4 implementation). This is because this structure will be passed via an |
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* IPv6 raw socket, on wich an application will only receiver the payload i.e the data after |
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* the IPv6 header and all the extension headers. (See section 3 of RFC 3542) |
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*/ |
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struct mrt6msg { |
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#define MRT6MSG_NOCACHE 1 |
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#define MRT6MSG_WRONGMIF 2 |
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#define MRT6MSG_WHOLEPKT 3 /* used for use level encap */ |
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__u8 im6_mbz; /* must be zero */ |
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__u8 im6_msgtype; /* what type of message */ |
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__u16 im6_mif; /* mif rec'd on */ |
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__u32 im6_pad; /* padding for 64 bit arch */ |
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struct in6_addr im6_src, im6_dst; |
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}; |
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#endif |