GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-26 16:41:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Bluetooth: Create l2cap_chan_send()

Browse source 
This move all the sending logic to l2cap_core.c, but we still have a
socket dependence there, struct msghdr. It will be removed in some of the
further commits.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan 2011-04-28 18:50:17 -03:00
parent 4519de9a04
commit 9a91a04a95
3 changed files with 84 additions and 88 deletions
Download patch file Download diff file Expand all files Collapse all files

83
net/bluetooth/l2cap_sock.c
View file

@ -673,8 +673,6 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct sk_buff *skb;
u16 control;
int err;
BT_DBG("sock %p, sk %p", sock, sk);
@ -689,87 +687,12 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
lock_sock(sk);
if (sk->sk_state != BT_CONNECTED) {
err = -ENOTCONN;
goto done;
release_sock(sk);
return -ENOTCONN;
}
/* Connectionless channel */
if (sk->sk_type == SOCK_DGRAM) {
skb = l2cap_create_connless_pdu(chan, msg, len);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
} else {
l2cap_do_send(chan, skb);
err = len;
}
goto done;
}
err = l2cap_chan_send(chan, msg, len);
switch (chan->mode) {
case L2CAP_MODE_BASIC:
/* Check outgoing MTU */
if (len > chan->omtu) {
err = -EMSGSIZE;
goto done;
}
/* Create a basic PDU */
skb = l2cap_create_basic_pdu(chan, msg, len);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
goto done;
}
l2cap_do_send(chan, skb);
err = len;
break;
case L2CAP_MODE_ERTM:
case L2CAP_MODE_STREAMING:
/* Entire SDU fits into one PDU */
if (len <= chan->remote_mps) {
control = L2CAP_SDU_UNSEGMENTED;
skb = l2cap_create_iframe_pdu(chan, msg, len, control,
0);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
goto done;
}
__skb_queue_tail(&chan->tx_q, skb);
if (chan->tx_send_head == NULL)
chan->tx_send_head = skb;
} else {
/* Segment SDU into multiples PDUs */
err = l2cap_sar_segment_sdu(chan, msg, len);
if (err < 0)
goto done;
}
if (chan->mode == L2CAP_MODE_STREAMING) {
l2cap_streaming_send(chan);
err = len;
break;
}
if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
(chan->conn_state & L2CAP_CONN_WAIT_F)) {
err = len;
break;
}
err = l2cap_ertm_send(chan);
if (err >= 0)
err = len;
break;
default:
BT_DBG("bad state %1.1x", chan->mode);
err = -EBADFD;
}
done:
release_sock(sk);
return err;
}