#ifndef __LINUX_MROUTE_BASE_H
#define __LINUX_MROUTE_BASE_H
#include <linux/netdevice.h>
#include <linux/rhashtable-types.h>
#include <linux/spinlock.h>
#include <net/net_namespace.h>
#include <net/sock.h>
#include <net/fib_notifier.h>
#include <net/ip_fib.h>
struct vif_device { … };
struct vif_entry_notifier_info { … };
static inline int mr_call_vif_notifier(struct notifier_block *nb,
unsigned short family,
enum fib_event_type event_type,
struct vif_device *vif,
struct net_device *vif_dev,
unsigned short vif_index, u32 tb_id,
struct netlink_ext_ack *extack)
{ … }
static inline int mr_call_vif_notifiers(struct net *net,
unsigned short family,
enum fib_event_type event_type,
struct vif_device *vif,
struct net_device *vif_dev,
unsigned short vif_index, u32 tb_id,
unsigned int *ipmr_seq)
{ … }
#ifndef MAXVIFS
#define MAXVIFS …
#endif
#define VIF_EXISTS(_mrt, _idx) …
enum { … };
struct mr_mfc { … };
static inline void mr_cache_put(struct mr_mfc *c)
{ … }
static inline void mr_cache_hold(struct mr_mfc *c)
{ … }
struct mfc_entry_notifier_info { … };
static inline int mr_call_mfc_notifier(struct notifier_block *nb,
unsigned short family,
enum fib_event_type event_type,
struct mr_mfc *mfc, u32 tb_id,
struct netlink_ext_ack *extack)
{ … }
static inline int mr_call_mfc_notifiers(struct net *net,
unsigned short family,
enum fib_event_type event_type,
struct mr_mfc *mfc, u32 tb_id,
unsigned int *ipmr_seq)
{ … }
struct mr_table;
struct mr_table_ops { … };
struct mr_table { … };
#ifdef CONFIG_IP_MROUTE_COMMON
void vif_device_init(struct vif_device *v,
struct net_device *dev,
unsigned long rate_limit,
unsigned char threshold,
unsigned short flags,
unsigned short get_iflink_mask);
struct mr_table *
mr_table_alloc(struct net *net, u32 id,
struct mr_table_ops *ops,
void (*expire_func)(struct timer_list *t),
void (*table_set)(struct mr_table *mrt,
struct net *net));
void *mr_mfc_find_parent(struct mr_table *mrt,
void *hasharg, int parent);
void *mr_mfc_find_any_parent(struct mr_table *mrt, int vifi);
void *mr_mfc_find_any(struct mr_table *mrt, int vifi, void *hasharg);
int mr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,
struct mr_mfc *c, struct rtmsg *rtm);
int mr_table_dump(struct mr_table *mrt, struct sk_buff *skb,
struct netlink_callback *cb,
int (*fill)(struct mr_table *mrt, struct sk_buff *skb,
u32 portid, u32 seq, struct mr_mfc *c,
int cmd, int flags),
spinlock_t *lock, struct fib_dump_filter *filter);
int mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb,
struct mr_table *(*iter)(struct net *net,
struct mr_table *mrt),
int (*fill)(struct mr_table *mrt,
struct sk_buff *skb,
u32 portid, u32 seq, struct mr_mfc *c,
int cmd, int flags),
spinlock_t *lock, struct fib_dump_filter *filter);
int mr_dump(struct net *net, struct notifier_block *nb, unsigned short family,
int (*rules_dump)(struct net *net,
struct notifier_block *nb,
struct netlink_ext_ack *extack),
struct mr_table *(*mr_iter)(struct net *net,
struct mr_table *mrt),
struct netlink_ext_ack *extack);
#else
static inline void vif_device_init(struct vif_device *v,
struct net_device *dev,
unsigned long rate_limit,
unsigned char threshold,
unsigned short flags,
unsigned short get_iflink_mask)
{
}
static inline void *mr_mfc_find_parent(struct mr_table *mrt,
void *hasharg, int parent)
{
return NULL;
}
static inline void *mr_mfc_find_any_parent(struct mr_table *mrt,
int vifi)
{
return NULL;
}
static inline struct mr_mfc *mr_mfc_find_any(struct mr_table *mrt,
int vifi, void *hasharg)
{
return NULL;
}
static inline int mr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,
struct mr_mfc *c, struct rtmsg *rtm)
{
return -EINVAL;
}
static inline int
mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb,
struct mr_table *(*iter)(struct net *net,
struct mr_table *mrt),
int (*fill)(struct mr_table *mrt,
struct sk_buff *skb,
u32 portid, u32 seq, struct mr_mfc *c,
int cmd, int flags),
spinlock_t *lock, struct fib_dump_filter *filter)
{
return -EINVAL;
}
static inline int mr_dump(struct net *net, struct notifier_block *nb,
unsigned short family,
int (*rules_dump)(struct net *net,
struct notifier_block *nb,
struct netlink_ext_ack *extack),
struct mr_table *(*mr_iter)(struct net *net,
struct mr_table *mrt),
struct netlink_ext_ack *extack)
{
return -EINVAL;
}
#endif
static inline void *mr_mfc_find(struct mr_table *mrt, void *hasharg)
{ … }
#ifdef CONFIG_PROC_FS
struct mr_vif_iter { … };
struct mr_mfc_iter { … };
#ifdef CONFIG_IP_MROUTE_COMMON
void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter, loff_t pos);
void *mr_vif_seq_next(struct seq_file *seq, void *v, loff_t *pos);
static inline void *mr_vif_seq_start(struct seq_file *seq, loff_t *pos)
{ … }
void *mr_mfc_seq_idx(struct net *net,
struct mr_mfc_iter *it, loff_t pos);
void *mr_mfc_seq_next(struct seq_file *seq, void *v,
loff_t *pos);
static inline void *mr_mfc_seq_start(struct seq_file *seq, loff_t *pos,
struct mr_table *mrt, spinlock_t *lock)
{ … }
static inline void mr_mfc_seq_stop(struct seq_file *seq, void *v)
{ … }
#else
static inline void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter,
loff_t pos)
{
return NULL;
}
static inline void *mr_vif_seq_next(struct seq_file *seq,
void *v, loff_t *pos)
{
return NULL;
}
static inline void *mr_vif_seq_start(struct seq_file *seq, loff_t *pos)
{
return NULL;
}
static inline void *mr_mfc_seq_idx(struct net *net,
struct mr_mfc_iter *it, loff_t pos)
{
return NULL;
}
static inline void *mr_mfc_seq_next(struct seq_file *seq, void *v,
loff_t *pos)
{
return NULL;
}
static inline void *mr_mfc_seq_start(struct seq_file *seq, loff_t *pos,
struct mr_table *mrt, spinlock_t *lock)
{
return NULL;
}
static inline void mr_mfc_seq_stop(struct seq_file *seq, void *v)
{
}
#endif
#endif
#endif