Commit 7417fa83 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont Committed by David S. Miller
Browse files

Phonet: hook resource routing to userspace via ioctl()'s 



I wish we could use something cleaner, such as bind(). But that would
not work since resource subscription is orthogonal/in addition to the
normal object ID allocated via bind(). This is similar to multicasting
which also uses ioctl()'s.

Signed-off-by: default avatarRémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4e3d16ce

include/linux/phonet.h

+2 −0
Original line number Diff line number Diff line
@@ -47,6 +47,8 @@ 


/* ioctls */

#define SIOCPNGETOBJECT		(SIOCPROTOPRIVATE + 0)

#define SIOCPNADDRESOURCE	(SIOCPROTOPRIVATE + 14)

#define SIOCPNDELRESOURCE	(SIOCPROTOPRIVATE + 15)



/* Phonet protocol header */

struct phonethdr {

net/phonet/datagram.c

+13 −0
Original line number Diff line number Diff line
@@ -52,6 +52,19 @@ static int pn_ioctl(struct sock *sk, int cmd, unsigned long arg) 
		answ = skb ? skb->len : 0;

		release_sock(sk);

		return put_user(answ, (int __user *)arg);



	case SIOCPNADDRESOURCE:

	case SIOCPNDELRESOURCE: {

			u32 res;

			if (get_user(res, (u32 __user *)arg))

				return -EFAULT;

			if (res >= 256)

				return -EINVAL;

			if (cmd == SIOCPNADDRESOURCE)

				return pn_sock_bind_res(sk, res);

			else

				return pn_sock_unbind_res(sk, res);

		}

	}



	return -ENOIOCTLCMD;

net/phonet/socket.c

+1 −0
Original line number Diff line number Diff line
@@ -158,6 +158,7 @@ void pn_sock_unhash(struct sock *sk) 
	spin_lock_bh(&pnsocks.lock);

	sk_del_node_init(sk);

	spin_unlock_bh(&pnsocks.lock);

	pn_sock_unbind_all_res(sk);

}

EXPORT_SYMBOL(pn_sock_unhash);

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