]>
git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/net/dn_fib.h
4 /* WARNING: The ordering of these elements must match ordering
5 * of RTA_* rtnetlink attribute numbers.
16 struct rtattr
*rta_mx
;
17 struct rtattr
*rta_mp
;
18 unsigned char *rta_protoinfo
;
20 struct rta_cacheinfo
*rta_ci
;
21 struct rta_session
*rta_sess
;
26 struct dn_fib_info
*fi
;
27 unsigned char prefixlen
;
34 struct net_device
*nh_dev
;
36 unsigned char nh_scope
;
44 struct dn_fib_info
*fib_next
;
45 struct dn_fib_info
*fib_prev
;
53 __u32 fib_metrics
[RTAX_MAX
];
54 #define dn_fib_mtu fib_metrics[RTAX_MTU-1]
55 #define dn_fib_window fib_metrics[RTAX_WINDOW-1]
56 #define dn_fib_rtt fib_metrics[RTAX_RTT-1]
57 #define dn_fib_advmss fib_metrics[RTAX_ADVMSS-1]
60 struct dn_fib_nh fib_nh
[0];
61 #define dn_fib_dev fib_nh[0].nh_dev
65 #define DN_FIB_RES_RESET(res) ((res).nh_sel = 0)
66 #define DN_FIB_RES_NH(res) ((res).fi->fib_nh[(res).nh_sel])
68 #define DN_FIB_RES_PREFSRC(res) ((res).fi->fib_prefsrc ? : __dn_fib_res_prefsrc(&res))
69 #define DN_FIB_RES_GW(res) (DN_FIB_RES_NH(res).nh_gw)
70 #define DN_FIB_RES_DEV(res) (DN_FIB_RES_NH(res).nh_dev)
71 #define DN_FIB_RES_OIF(res) (DN_FIB_RES_NH(res).nh_oif)
86 struct dn_fib_node
*fn_next
;
87 struct dn_fib_info
*fn_info
;
88 #define DN_FIB_INFO(f) ((f)->fn_info)
97 struct hlist_node hlist
;
100 int (*insert
)(struct dn_fib_table
*t
, struct rtmsg
*r
,
101 struct dn_kern_rta
*rta
, struct nlmsghdr
*n
,
102 struct netlink_skb_parms
*req
);
103 int (*delete)(struct dn_fib_table
*t
, struct rtmsg
*r
,
104 struct dn_kern_rta
*rta
, struct nlmsghdr
*n
,
105 struct netlink_skb_parms
*req
);
106 int (*lookup
)(struct dn_fib_table
*t
, const struct flowi
*fl
,
107 struct dn_fib_res
*res
);
108 int (*flush
)(struct dn_fib_table
*t
);
109 int (*dump
)(struct dn_fib_table
*t
, struct sk_buff
*skb
, struct netlink_callback
*cb
);
111 unsigned char data
[0];
114 #ifdef CONFIG_DECNET_ROUTER
118 extern void dn_fib_init(void);
119 extern void dn_fib_cleanup(void);
121 extern int dn_fib_ioctl(struct socket
*sock
, unsigned int cmd
,
123 extern struct dn_fib_info
*dn_fib_create_info(const struct rtmsg
*r
,
124 struct dn_kern_rta
*rta
,
125 const struct nlmsghdr
*nlh
, int *errp
);
126 extern int dn_fib_semantic_match(int type
, struct dn_fib_info
*fi
,
127 const struct flowi
*fl
,
128 struct dn_fib_res
*res
);
129 extern void dn_fib_release_info(struct dn_fib_info
*fi
);
130 extern __le16
dn_fib_get_attr16(struct rtattr
*attr
, int attrlen
, int type
);
131 extern void dn_fib_flush(void);
132 extern void dn_fib_select_multipath(const struct flowi
*fl
,
133 struct dn_fib_res
*res
);
138 extern struct dn_fib_table
*dn_fib_get_table(u32 n
, int creat
);
139 extern struct dn_fib_table
*dn_fib_empty_table(void);
140 extern void dn_fib_table_init(void);
141 extern void dn_fib_table_cleanup(void);
146 extern void dn_fib_rules_init(void);
147 extern void dn_fib_rules_cleanup(void);
148 extern unsigned dnet_addr_type(__le16 addr
);
149 extern int dn_fib_lookup(struct flowi
*fl
, struct dn_fib_res
*res
);
151 extern int dn_fib_dump(struct sk_buff
*skb
, struct netlink_callback
*cb
);
153 extern void dn_fib_free_info(struct dn_fib_info
*fi
);
155 static inline void dn_fib_info_put(struct dn_fib_info
*fi
)
157 if (atomic_dec_and_test(&fi
->fib_clntref
))
158 dn_fib_free_info(fi
);
161 static inline void dn_fib_res_put(struct dn_fib_res
*res
)
164 dn_fib_info_put(res
->fi
);
166 fib_rule_put(res
->r
);
171 #define dn_fib_init() do { } while(0)
172 #define dn_fib_cleanup() do { } while(0)
174 #define dn_fib_lookup(fl, res) (-ESRCH)
175 #define dn_fib_info_put(fi) do { } while(0)
176 #define dn_fib_select_multipath(fl, res) do { } while(0)
177 #define dn_fib_rules_policy(saddr,res,flags) (0)
178 #define dn_fib_res_put(res) do { } while(0)
180 #endif /* CONFIG_DECNET_ROUTER */
182 static inline __le16
dnet_make_mask(int n
)
185 return cpu_to_le16(~((1 << (16 - n
)) - 1));
186 return cpu_to_le16(0);
189 #endif /* _NET_DN_FIB_H */