提交 7417fa83 编写于 作者: R Rémi Denis-Courmont 提交者: David S. Miller

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: NRémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 4e3d16ce
......@@ -47,6 +47,8 @@
/* ioctls */
#define SIOCPNGETOBJECT (SIOCPROTOPRIVATE + 0)
#define SIOCPNADDRESOURCE (SIOCPROTOPRIVATE + 14)
#define SIOCPNDELRESOURCE (SIOCPROTOPRIVATE + 15)
/* Phonet protocol header */
struct phonethdr {
......
......@@ -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;
......
......@@ -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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