From 710f9b0a423cad155144742f6497efe5163ed750 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" Date: Fri, 25 Mar 2011 14:30:37 -0300 Subject: [PATCH] Bluetooth: clean up l2cap_sock_recvmsg() Move some channel specific stuff to l2cap_core.c, this will make things more clear. Signed-off-by: Gustavo F. Padovan --- include/net/bluetooth/l2cap.h | 3 +-- net/bluetooth/l2cap_core.c | 28 +++++++++++++++++++++++++++- net/bluetooth/l2cap_sock.c | 25 +------------------------ 3 files changed, 29 insertions(+), 27 deletions(-) diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index bf918283712..469241353d7 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -446,9 +446,8 @@ extern struct bt_sock_list l2cap_sk_list; int l2cap_init_sockets(void); void l2cap_cleanup_sockets(void); -u8 l2cap_get_ident(struct l2cap_conn *conn); void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *data); -int l2cap_build_conf_req(struct l2cap_chan *chan, void *data); +void __l2cap_connect_rsp_defer(struct sock *sk); int __l2cap_wait_ack(struct sock *sk); struct sk_buff *l2cap_create_connless_pdu(struct sock *sk, struct msghdr *msg, size_t len); diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index cb849b51632..b41e21f4623 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -70,6 +70,7 @@ static void l2cap_busy_work(struct work_struct *work); static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, u8 code, u8 ident, u16 dlen, void *data); +static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data); static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb); @@ -1598,7 +1599,7 @@ static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask) } } -int l2cap_build_conf_req(struct l2cap_chan *chan, void *data) +static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data) { struct sock *sk = chan->sk; struct l2cap_pinfo *pi = l2cap_pi(sk); @@ -1934,6 +1935,31 @@ static int l2cap_build_conf_rsp(struct sock *sk, void *data, u16 result, u16 fla return ptr - data; } +void __l2cap_connect_rsp_defer(struct sock *sk) +{ + struct l2cap_conn_rsp rsp; + struct l2cap_conn *conn = l2cap_pi(sk)->conn; + struct l2cap_chan *chan = l2cap_pi(sk)->chan; + u8 buf[128]; + + sk->sk_state = BT_CONFIG; + + rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid); + rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid); + rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS); + rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO); + l2cap_send_cmd(conn, chan->ident, + L2CAP_CONN_RSP, sizeof(rsp), &rsp); + + if (l2cap_pi(sk)->conf_state & L2CAP_CONF_REQ_SENT) + return; + + l2cap_pi(sk)->conf_state |= L2CAP_CONF_REQ_SENT; + l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ, + l2cap_build_conf_req(chan, buf), buf); + chan->num_conf_req++; +} + static void l2cap_conf_rfc_get(struct sock *sk, void *rsp, int len) { struct l2cap_pinfo *pi = l2cap_pi(sk); diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 244475ea045..450f57b106b 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -808,30 +808,7 @@ static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct ms lock_sock(sk); if (sk->sk_state == BT_CONNECT2 && bt_sk(sk)->defer_setup) { - struct l2cap_conn_rsp rsp; - struct l2cap_conn *conn = l2cap_pi(sk)->conn; - struct l2cap_chan *chan = l2cap_pi(sk)->chan; - u8 buf[128]; - - sk->sk_state = BT_CONFIG; - - rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid); - rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid); - rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS); - rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO); - l2cap_send_cmd(l2cap_pi(sk)->conn, chan->ident, - L2CAP_CONN_RSP, sizeof(rsp), &rsp); - - if (l2cap_pi(sk)->conf_state & L2CAP_CONF_REQ_SENT) { - release_sock(sk); - return 0; - } - - l2cap_pi(sk)->conf_state |= L2CAP_CONF_REQ_SENT; - l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ, - l2cap_build_conf_req(chan, buf), buf); - chan->num_conf_req++; - + __l2cap_connect_rsp_defer(sk); release_sock(sk); return 0; } -- 2.41.0