pktloc.h

/*
 * netlink/route/pktloc.h         Packet Location Aliasing
 *
 *      This library is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU Lesser General Public
 *      License as published by the Free Software Foundation version 2.1
 *      of the License.
 *
 * Copyright (c) 2010 Thomas Graf <tgraf@suug.ch>
 */

#ifndef NETLINK_PKTLOC_H_
#define NETLINK_PKTLOC_H_

#include <netlink/netlink.h>
#include <netlink/cache.h>
#include <netlink/route/tc.h>

#include <linux/tc_ematch/tc_em_cmp.h>

#ifdef __cplusplus
extern "C" {
#endif

struct rtnl_pktloc
{
        char *                  name;
        uint8_t                 layer;
        uint8_t                 shift;
        uint16_t                offset;
        uint16_t                align;
        uint32_t                mask;
        uint32_t                refcnt;

        struct nl_list_head     list;
};

extern int      rtnl_pktloc_lookup(const char *, struct rtnl_pktloc **);
extern struct rtnl_pktloc *rtnl_pktloc_alloc(void);
extern void     rtnl_pktloc_put(struct rtnl_pktloc *);
extern int      rtnl_pktloc_add(struct rtnl_pktloc *);
extern void     rtnl_pktloc_foreach(void (*cb)(struct rtnl_pktloc *, void *),
                                    void *);

#ifdef __cplusplus
}
#endif

#endif