linux-imx

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _NET_DN_FIB_H

#define _NET_DN_FIB_H

​

#include <linux/netlink.h>

#include <linux/refcount.h>

​

extern const struct nla_policy rtm_dn_policy[];

​

struct dn_fib_res {

    struct fib_rule *r;

    struct dn_fib_info *fi;

    unsigned char prefixlen;

    unsigned char nh_sel;

    unsigned char type;

    unsigned char scope;

};

​

struct dn_fib_nh {

    struct net_device   *nh_dev;

    unsigned int        nh_flags;

    unsigned char       nh_scope;

    int         nh_weight;

    int         nh_power;

    int         nh_oif;

    __le16          nh_gw;

};

​

struct dn_fib_info {

    struct dn_fib_info  *fib_next;

    struct dn_fib_info  *fib_prev;

    int             fib_treeref;

    refcount_t      fib_clntref;

    int         fib_dead;

    unsigned int        fib_flags;

    int         fib_protocol;

    __le16          fib_prefsrc;

    __u32           fib_priority;

    __u32           fib_metrics[RTAX_MAX];

    int         fib_nhs;

    int         fib_power;

    struct dn_fib_nh    fib_nh[0];

#define dn_fib_dev      fib_nh[0].nh_dev

};

​

​

#define DN_FIB_RES_RESET(res)   ((res).nh_sel = 0)

#define DN_FIB_RES_NH(res)  ((res).fi->fib_nh[(res).nh_sel])

​

#define DN_FIB_RES_PREFSRC(res) ((res).fi->fib_prefsrc ? : __dn_fib_res_prefsrc(&res))

#define DN_FIB_RES_GW(res)  (DN_FIB_RES_NH(res).nh_gw)

#define DN_FIB_RES_DEV(res) (DN_FIB_RES_NH(res).nh_dev)

#define DN_FIB_RES_OIF(res) (DN_FIB_RES_NH(res).nh_oif)

​

typedef struct {

    __le16  datum;

} dn_fib_key_t;

​

typedef struct {

    __le16  datum;

} dn_fib_hash_t;

​

typedef struct {