inetpeer.c File Reference

#include <linux/module.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/random.h>
#include <linux/timer.h>
#include <linux/time.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/net.h>
#include <linux/workqueue.h>
#include <net/ip.h>
#include <net/inetpeer.h>
#include <net/secure_seq.h>

Go to the source code of this file.

Macros
#define	node_height(x)   x->avl_height
#define	peer_avl_empty   ((struct inet_peer *)&peer_fake_node)
#define	peer_avl_empty_rcu   ((struct inet_peer __rcu __force *)&peer_fake_node)
#define	PEER_MAXDEPTH   40 /* sufficient for about 2^27 nodes */
#define	rcu_deref_locked(X, BASE)   rcu_dereference_protected(X, lockdep_is_held(&(BASE)->lock.lock))
#define	lookup(_daddr, _stack, _base)
#define	lookup_rightempty(start, base)
#define	link_to_pool(n, base)
#define	XRLIM_BURST_FACTOR   6

Functions
void	inet_peer_base_init (struct inet_peer_base *bp)
	EXPORT_SYMBOL_GPL (inet_peer_base_init)
void	inetpeer_invalidate_family (int family)
void __init	inet_initpeers (void)
struct inet_peer *	inet_getpeer (struct inet_peer_base *base, const struct inetpeer_addr *daddr, int create)
	EXPORT_SYMBOL_GPL (inet_getpeer)
void	inet_putpeer (struct inet_peer *p)
	EXPORT_SYMBOL_GPL (inet_putpeer)
bool	inet_peer_xrlim_allow (struct inet_peer *peer, int timeout)
	EXPORT_SYMBOL (inet_peer_xrlim_allow)
void	inetpeer_invalidate_tree (struct inet_peer_base *base)
	EXPORT_SYMBOL (inetpeer_invalidate_tree)

Macro Definition Documentation

#define link_to_pool	(		n,
			base
	)

Value:

do {                                \
    n->avl_height = 1;                  \
    n->avl_left = peer_avl_empty_rcu;           \
    n->avl_right = peer_avl_empty_rcu;          \
    /* lockless readers can catch us now */         \
    rcu_assign_pointer(**--stackptr, n);            \
    peer_avl_rebalance(stack, stackptr, base);      \
} while (0)

Definition at line 375 of file inetpeer.c.

#define lookup	(		_daddr,
			_stack,
			_base
	)

Value:

({                              \
	struct inet_peer *u;                   \
	struct inet_peer __rcu **v;                \
                                \
    stackptr = _stack;                  \
    *stackptr++ = &_base->root;             \
    for (u = rcu_deref_locked(_base->root, _base);      \
         u != peer_avl_empty; ) {               \
        int cmp = addr_compare(_daddr, &u->daddr);  \
        if (cmp == 0)                   \
            break;                  \
        if (cmp == -1)                  \
            v = &u->avl_left;           \
        else                        \
            v = &u->avl_right;          \
        *stackptr++ = v;                \
        u = rcu_deref_locked(*v, _base);        \
    }                           \
    u;                          \
})

Definition at line 222 of file inetpeer.c.

#define lookup_rightempty	(		start,
			base
	)

Value:

({                              \
	struct inet_peer *u;                   \
	struct inet_peer __rcu **v;                \
    *stackptr++ = &start->avl_left;             \
    v = &start->avl_left;                   \
    for (u = rcu_deref_locked(*v, base);            \
         u->avl_right != peer_avl_empty_rcu; ) {        \
        v = &u->avl_right;              \
        *stackptr++ = v;                \
        u = rcu_deref_locked(*v, base);         \
    }                           \
    u;                          \
})

Definition at line 278 of file inetpeer.c.

#define node_height

(

x

)

x->avl_height

Definition at line 75 of file inetpeer.c.

#define peer_avl_empty   ((struct inet_peer *)&peer_fake_node)

Definition at line 77 of file inetpeer.c.

#define peer_avl_empty_rcu   ((struct inet_peer __rcu __force *)&peer_fake_node)

Definition at line 78 of file inetpeer.c.

#define PEER_MAXDEPTH   40 /* sufficient for about 2^27 nodes */

Definition at line 119 of file inetpeer.c.

#define rcu_deref_locked	(		X,
			BASE
	)		rcu_dereference_protected(X, lockdep_is_held(&(BASE)->lock.lock))

Definition at line 216 of file inetpeer.c.

#define XRLIM_BURST_FACTOR   6

Definition at line 554 of file inetpeer.c.

Function Documentation

EXPORT_SYMBOL

(

inet_peer_xrlim_allow

)

EXPORT_SYMBOL

(

inetpeer_invalidate_tree

)

EXPORT_SYMBOL_GPL

(

inet_peer_base_init

)

EXPORT_SYMBOL_GPL

(

inet_getpeer

)

EXPORT_SYMBOL_GPL

(

inet_putpeer

)

struct inet_peer* inet_getpeer ( struct inet_peer_base *  base, const struct inetpeer_addr *  daddr, int  create  )

read

Definition at line 459 of file inetpeer.c.

void __init inet_initpeers

(

void

)

Definition at line 175 of file inetpeer.c.

void inet_peer_base_init

(

struct inet_peer_base *

bp

)

Definition at line 85 of file inetpeer.c.

bool inet_peer_xrlim_allow	(	struct inet_peer *	peer,
		int	timeout
	)

Definition at line 555 of file inetpeer.c.

void inet_putpeer

(

struct inet_peer *

p

)

Definition at line 529 of file inetpeer.c.

void inetpeer_invalidate_family

(

int

family

)

Definition at line 112 of file inetpeer.c.

void inetpeer_invalidate_tree

(

struct inet_peer_base *

base

)

Definition at line 589 of file inetpeer.c.