diff options
| author |   Rémi Denis-Courmont <remi.denis-courmont@nokia.com> | 2010-09-15 12:30:12 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-09-15 21:31:32 -0700 |
| commit | 7417fa83c1a8b75a03bd9b9b358999f38e771eab (patch) | |
| tree | 7abf2eb2df05e1ca8ed96cd94b6fe026c8a57972 | |
| parent | Phonet: resource routing backend (diff) | |
| download | linux-dev-7417fa83c1a8b75a03bd9b9b358999f38e771eab.tar.xz linux-dev-7417fa83c1a8b75a03bd9b9b358999f38e771eab.zip | |
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: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/phonet.h | 2 | ||||
| -rw-r--r-- | net/phonet/datagram.c | 13 | ||||
| -rw-r--r-- | net/phonet/socket.c | 1 |
3 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/phonet.h b/include/linux/phonet.h index 76edadf046d3..85e14a83283b 100644 --- a/include/linux/phonet.h +++ b/include/linux/phonet.h @@ -47,6 +47,8 @@ /* ioctls */ #define SIOCPNGETOBJECT (SIOCPROTOPRIVATE + 0) +#define SIOCPNADDRESOURCE (SIOCPROTOPRIVATE + 14) +#define SIOCPNDELRESOURCE (SIOCPROTOPRIVATE + 15) /* Phonet protocol header */ struct phonethdr { diff --git a/net/phonet/datagram.c b/net/phonet/datagram.c index 1bd38db4fe1e..2f032381bd45 100644 --- a/net/phonet/datagram.c +++ b/net/phonet/datagram.c @@ -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; diff --git a/net/phonet/socket.c b/net/phonet/socket.c index 4c29a23e9007..d4f41afc0583 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -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); |