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Bluetooth: clean up l2cap_sock_recvmsg()

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Move some channel specific stuff to l2cap_core.c, this will make things
more clear.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan 2011-03-25 14:30:37 -03:00
parent 73ffa904b7
commit 710f9b0a42
3 changed files with 29 additions and 27 deletions
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3
include/net/bluetooth/l2cap.h
View File

@ -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);

28
net/bluetooth/l2cap_core.c
View File

@ -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);

25
net/bluetooth/l2cap_sock.c
View File

@ -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;
}