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authorGustavo F. Padovan <padovan@profusion.mobi>2011-05-16 17:24:37 -0300
committerGustavo F. Padovan <padovan@profusion.mobi>2011-06-13 14:55:32 -0300
commit80808e431e1ef25856457de82ce141bed6a6313a (patch)
tree021d6affd8b8f6bf81ba51fadb9951b0b9e47d27 /net/bluetooth/l2cap_sock.c
parentdc50a06dac61d7ca7ddb3d9bb8921ca5d68f51b6 (diff)
Bluetooth: Add l2cap_chan_ops abstraction
Add an abstraction layer between L2CAP core and its users (only l2cap_sock.c now). The first function implemented is new_connection() that replaces calls to l2cap_sock_alloc() in l2cap_core.c Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
-rw-r--r--net/bluetooth/l2cap_sock.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 2f4fd5751a4..4050edeaf78 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -31,6 +31,8 @@
#include <net/bluetooth/l2cap.h>
static const struct proto_ops l2cap_sock_ops;
+static void l2cap_sock_init(struct sock *sk, struct sock *parent);
+static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio);
static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
{
@@ -773,6 +775,25 @@ static int l2cap_sock_release(struct socket *sock)
return err;
}
+static struct l2cap_chan *l2cap_sock_new_connection_cb(void *data)
+{
+ struct sock *sk, *parent = data;
+
+ sk = l2cap_sock_alloc(sock_net(parent), NULL, BTPROTO_L2CAP,
+ GFP_ATOMIC);
+ if (!sk)
+ return NULL;
+
+ l2cap_sock_init(sk, parent);
+
+ return l2cap_pi(sk)->chan;
+}
+
+static struct l2cap_ops l2cap_chan_ops = {
+ .name = "L2CAP Socket Interface",
+ .new_connection = l2cap_sock_new_connection_cb,
+};
+
static void l2cap_sock_destruct(struct sock *sk)
{
BT_DBG("sk %p", sk);
@@ -781,7 +802,7 @@ static void l2cap_sock_destruct(struct sock *sk)
skb_queue_purge(&sk->sk_write_queue);
}
-void l2cap_sock_init(struct sock *sk, struct sock *parent)
+static void l2cap_sock_init(struct sock *sk, struct sock *parent)
{
struct l2cap_pinfo *pi = l2cap_pi(sk);
struct l2cap_chan *chan = pi->chan;
@@ -838,10 +859,14 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
chan->force_reliable = 0;
chan->flushable = BT_FLUSHABLE_OFF;
chan->force_active = BT_POWER_FORCE_ACTIVE_ON;
+
}
/* Default config options */
chan->flush_to = L2CAP_DEFAULT_FLUSH_TO;
+
+ chan->data = sk;
+ chan->ops = &l2cap_chan_ops;
}
static struct proto l2cap_proto = {
@@ -850,7 +875,7 @@ static struct proto l2cap_proto = {
.obj_size = sizeof(struct l2cap_pinfo)
};
-struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio)
+static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio)
{
struct sock *sk;
struct l2cap_chan *chan;