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      1 /*
      2  * netlink/route/pktloc.h         Packet Location Aliasing
      3  *
      4  *	This library is free software; you can redistribute it and/or
      5  *	modify it under the terms of the GNU Lesser General Public
      6  *	License as published by the Free Software Foundation version 2.1
      7  *	of the License.
      8  *
      9  * Copyright (c) 2010 Thomas Graf <tgraf (at) suug.ch>
     10  */
     11 
     12 #ifndef NETLINK_PKTLOC_H_
     13 #define NETLINK_PKTLOC_H_
     14 
     15 #include <netlink/netlink.h>
     16 #include <netlink/cache.h>
     17 #include <netlink/route/tc.h>
     18 
     19 #include <linux/tc_ematch/tc_em_cmp.h>
     20 
     21 #ifdef __cplusplus
     22 extern "C" {
     23 #endif
     24 
     25 struct rtnl_pktloc
     26 {
     27 	char *			name;
     28 	uint8_t			layer;
     29 	uint8_t			shift;
     30 	uint16_t		offset;
     31 	uint16_t		align;
     32 	uint32_t		mask;
     33 	uint32_t		refcnt;
     34 
     35 	struct nl_list_head	list;
     36 };
     37 
     38 extern int	rtnl_pktloc_lookup(const char *, struct rtnl_pktloc **);
     39 extern struct rtnl_pktloc *rtnl_pktloc_alloc(void);
     40 extern void	rtnl_pktloc_put(struct rtnl_pktloc *);
     41 extern int	rtnl_pktloc_add(struct rtnl_pktloc *);
     42 extern void	rtnl_pktloc_foreach(void (*cb)(struct rtnl_pktloc *, void *),
     43 				    void *);
     44 
     45 #ifdef __cplusplus
     46 }
     47 #endif
     48 
     49 #endif
     50