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Release 4.12 include/net/dn_fib.h

Directory: include/net
#ifndef _NET_DN_FIB_H

#define _NET_DN_FIB_H

#include <linux/netlink.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;
atomic_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 {
__u16	datum;

} dn_fib_idx_t;

struct dn_fib_node {
struct dn_fib_node *fn_next;
struct dn_fib_info *fn_info;

#define DN_FIB_INFO(f) ((f)->fn_info)
dn_fib_key_t	fn_key;
u8		fn_type;
u8		fn_scope;
u8		fn_state;

struct dn_fib_table {
struct hlist_node hlist;
u32 n;

int (*insert)(struct dn_fib_table *t, struct rtmsg *r, 
			struct nlattr *attrs[], struct nlmsghdr *n,
			struct netlink_skb_parms *req);
int (*delete)(struct dn_fib_table *t, struct rtmsg *r,
			struct nlattr *attrs[], struct nlmsghdr *n,
			struct netlink_skb_parms *req);
int (*lookup)(struct dn_fib_table *t, const struct flowidn *fld,
			struct dn_fib_res *res);
int (*flush)(struct dn_fib_table *t);
int (*dump)(struct dn_fib_table *t, struct sk_buff *skb, struct netlink_callback *cb);

unsigned char data[0];

 * dn_fib.c
void dn_fib_init(void);
void dn_fib_cleanup(void);

int dn_fib_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r,
				       struct nlattr *attrs[],
				       const struct nlmsghdr *nlh, int *errp);
int dn_fib_semantic_match(int type, struct dn_fib_info *fi,
			  const struct flowidn *fld, struct dn_fib_res *res);
void dn_fib_release_info(struct dn_fib_info *fi);
void dn_fib_flush(void);
void dn_fib_select_multipath(const struct flowidn *fld, struct dn_fib_res *res);

 * dn_tables.c
struct dn_fib_table *dn_fib_get_table(u32 n, int creat);
struct dn_fib_table *dn_fib_empty_table(void);
void dn_fib_table_init(void);
void dn_fib_table_cleanup(void);

 * dn_rules.c
void dn_fib_rules_init(void);
void dn_fib_rules_cleanup(void);
unsigned int dnet_addr_type(__le16 addr);
int dn_fib_lookup(struct flowidn *fld, struct dn_fib_res *res);

int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb);

void dn_fib_free_info(struct dn_fib_info *fi);

static inline void dn_fib_info_put(struct dn_fib_info *fi) { if (atomic_dec_and_test(&fi->fib_clntref)) dn_fib_free_info(fi); }


Linus Torvalds (pre-git)2696.30%150.00%
Steven Whitehouse13.70%150.00%

static inline void dn_fib_res_put(struct dn_fib_res *res) { if (res->fi) dn_fib_info_put(res->fi); if (res->r) fib_rule_put(res->r); }


Linus Torvalds (pre-git)3694.74%133.33%
Steven Whitehouse25.26%266.67%

#else /* Endnode */ #define dn_fib_init() do { } while(0) #define dn_fib_cleanup() do { } while(0) #define dn_fib_lookup(fl, res) (-ESRCH) #define dn_fib_info_put(fi) do { } while(0) #define dn_fib_select_multipath(fl, res) do { } while(0) #define dn_fib_rules_policy(saddr,res,flags) (0) #define dn_fib_res_put(res) do { } while(0) #endif /* CONFIG_DECNET_ROUTER */
static inline __le16 dnet_make_mask(int n) { if (n) return cpu_to_le16(~((1 << (16 - n)) - 1)); return cpu_to_le16(0); }


Linus Torvalds (pre-git)3384.62%125.00%
Harvey Harrison410.26%125.00%
Steven Whitehouse25.13%250.00%

#endif /* _NET_DN_FIB_H */

Overall Contributors

Linus Torvalds (pre-git)61681.81%320.00%
Steven Whitehouse9512.62%426.67%
Thomas Graf172.26%16.67%
David S. Miller101.33%213.33%
Patrick McHardy60.80%213.33%
Harvey Harrison40.53%16.67%
Eric Dumazet30.40%16.67%
Stephen Hemminger20.27%16.67%
Directory: include/net
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