diff options
author | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-05-16 20:24:37 (GMT) |
---|---|---|
committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-06-13 17:55:32 (GMT) |
commit | 80808e431e1ef25856457de82ce141bed6a6313a (patch) | |
tree | 021d6affd8b8f6bf81ba51fadb9951b0b9e47d27 /net | |
parent | dc50a06dac61d7ca7ddb3d9bb8921ca5d68f51b6 (diff) | |
download | linux-fsl-qoriq-80808e431e1ef25856457de82ce141bed6a6313a.tar.xz |
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')
-rw-r--r-- | net/bluetooth/l2cap_core.c | 17 | ||||
-rw-r--r-- | net/bluetooth/l2cap_sock.c | 29 |
2 files changed, 34 insertions, 12 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 49f890b..8369f56 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -842,18 +842,16 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn) goto clean; } - sk = l2cap_sock_alloc(sock_net(parent), NULL, BTPROTO_L2CAP, GFP_ATOMIC); - if (!sk) + chan = pchan->ops->new_connection(pchan->data); + if (!chan) goto clean; - chan = l2cap_pi(sk)->chan; + sk = chan->sk; write_lock_bh(&conn->chan_lock); hci_conn_hold(conn->hcon); - l2cap_sock_init(sk, parent); - bacpy(&bt_sk(sk)->src, conn->src); bacpy(&bt_sk(sk)->dst, conn->dst); @@ -2329,10 +2327,12 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd goto response; } - sk = l2cap_sock_alloc(sock_net(parent), NULL, BTPROTO_L2CAP, GFP_ATOMIC); - if (!sk) + chan = pchan->ops->new_connection(pchan->data); + if (!chan) goto response; + sk = chan->sk; + write_lock_bh(&conn->chan_lock); /* Check if we already have channel with that dcid */ @@ -2345,9 +2345,6 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd hci_conn_hold(conn->hcon); - chan = l2cap_pi(sk)->chan; - - l2cap_sock_init(sk, parent); bacpy(&bt_sk(sk)->src, conn->src); bacpy(&bt_sk(sk)->dst, conn->dst); chan->psm = psm; diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 2f4fd57..4050ede 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; |