Commit 021e9299 authored by David S. Miller's avatar David S. Miller
Browse files

inetpeer: Add v6 peers tree, abstract root properly. 



Add the ipv6 peer tree instance, and adapt remaining
direct references to 'v4_peers' as needed.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 02663045

net/ipv4/inetpeer.c

+18 −9
Original line number Diff line number Diff line
@@ -79,15 +79,24 @@ static const struct inet_peer peer_fake_node = { 
	.avl_height	= 0

};



static struct inet_peer_base {

struct inet_peer_base {

	struct inet_peer __rcu *root;

	spinlock_t	lock;

	int		total;

} v4_peers = {

};



static struct inet_peer_base v4_peers = {

	.root		= peer_avl_empty_rcu,

	.lock		= __SPIN_LOCK_UNLOCKED(v4_peers.lock),

	.total		= 0,

};



static struct inet_peer_base v6_peers = {

	.root		= peer_avl_empty_rcu,

	.lock		= __SPIN_LOCK_UNLOCKED(v6_peers.lock),

	.total		= 0,

};



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



/* Exported for sysctl_net_ipv4.  */
@@ -415,9 +424,14 @@ static void unlink_from_pool(struct inet_peer *p, struct inet_peer_base *base) 
		inet_putpeer(p);

}



static struct inet_peer_base *family_to_base(int family)

{

	return (family == AF_INET ? &v4_peers : &v6_peers);

}



static struct inet_peer_base *peer_to_base(struct inet_peer *p)

{

	return &v4_peers;

	return family_to_base(p->daddr.family);

}



/* May be called with local BH enabled. */
@@ -457,11 +471,6 @@ static int cleanup_once(unsigned long ttl) 
	return 0;

}



static struct inet_peer_base *family_to_base(int family)

{

	return &v4_peers;

}



/* Called with or without local BH being disabled. */

struct inet_peer *inet_getpeer(inet_peer_address_t *daddr, int create)

{
@@ -521,7 +530,7 @@ struct inet_peer *inet_getpeer(inet_peer_address_t *daddr, int create) 


static int compute_total(void)

{

	return v4_peers.total;

	return v4_peers.total + v6_peers.total;

}



/* Called with local BH disabled. */