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Bluetooth: Add SOCK_STREAM support to L2CAP

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if enable_ertm is true and we have SOCK_STREAM the default mode will be
ERTM, otherwise Basic Mode.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Reviewed-by: João Paulo Rechi Vita <jprvita@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Gustavo F. Padovan 2010-05-01 16:15:42 -03:00 committed by Marcel Holtmann
parent 84fb0a6334
commit bd3c9e255e
1 changed files with 26 additions and 14 deletions
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40
net/bluetooth/l2cap.c
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@ -224,7 +224,7 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct so
l2cap_pi(sk)->conn = conn;
if (sk->sk_type == SOCK_SEQPACKET) {
if (sk->sk_type == SOCK_SEQPACKET || sk->sk_type == SOCK_STREAM) {
/* Alloc CID for connection-oriented socket */
l2cap_pi(sk)->scid = l2cap_alloc_cid(l);
} else if (sk->sk_type == SOCK_DGRAM) {
@ -452,7 +452,8 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
for (sk = l->head; sk; sk = l2cap_pi(sk)->next_c) {
bh_lock_sock(sk);
if (sk->sk_type != SOCK_SEQPACKET) {
if (sk->sk_type != SOCK_SEQPACKET &&
sk->sk_type != SOCK_STREAM) {
bh_unlock_sock(sk);
continue;
}
@ -512,7 +513,8 @@ static void l2cap_conn_ready(struct l2cap_conn *conn)
for (sk = l->head; sk; sk = l2cap_pi(sk)->next_c) {
bh_lock_sock(sk);
if (sk->sk_type != SOCK_SEQPACKET) {
if (sk->sk_type != SOCK_SEQPACKET &&
sk->sk_type != SOCK_STREAM) {
l2cap_sock_clear_timer(sk);
sk->sk_state = BT_CONNECTED;
sk->sk_state_change(sk);
@ -721,7 +723,8 @@ static void __l2cap_sock_close(struct sock *sk, int reason)
case BT_CONNECTED:
case BT_CONFIG:
if (sk->sk_type == SOCK_SEQPACKET) {
if (sk->sk_type == SOCK_SEQPACKET ||
sk->sk_type == SOCK_STREAM) {
struct l2cap_conn *conn = l2cap_pi(sk)->conn;
sk->sk_state = BT_DISCONN;
@ -732,7 +735,8 @@ static void __l2cap_sock_close(struct sock *sk, int reason)
break;
case BT_CONNECT2:
if (sk->sk_type == SOCK_SEQPACKET) {
if (sk->sk_type == SOCK_SEQPACKET ||
sk->sk_type == SOCK_STREAM) {
struct l2cap_conn *conn = l2cap_pi(sk)->conn;
struct l2cap_conn_rsp rsp;
__u16 result;
@ -795,7 +799,10 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent)
} else {
pi->imtu = L2CAP_DEFAULT_MTU;
pi->omtu = 0;
pi->mode = L2CAP_MODE_BASIC;
if (enable_ertm && sk->sk_type == SOCK_STREAM)
pi->mode = L2CAP_MODE_ERTM;
else
pi->mode = L2CAP_MODE_BASIC;
pi->max_tx = max_transmit;
pi->fcs = L2CAP_FCS_CRC16;
pi->tx_win = tx_window;
@ -852,7 +859,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
sock->state = SS_UNCONNECTED;
if (sock->type != SOCK_SEQPACKET &&
if (sock->type != SOCK_SEQPACKET && sock->type != SOCK_STREAM &&
sock->type != SOCK_DGRAM && sock->type != SOCK_RAW)
return -ESOCKTNOSUPPORT;
@ -1000,7 +1007,8 @@ static int l2cap_do_connect(struct sock *sk)
l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
if (hcon->state == BT_CONNECTED) {
if (sk->sk_type != SOCK_SEQPACKET) {
if (sk->sk_type != SOCK_SEQPACKET &&
sk->sk_type != SOCK_STREAM) {
l2cap_sock_clear_timer(sk);
sk->sk_state = BT_CONNECTED;
} else
@ -1034,7 +1042,8 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
lock_sock(sk);
if (sk->sk_type == SOCK_SEQPACKET && !la.l2_psm) {
if ((sk->sk_type == SOCK_SEQPACKET || sk->sk_type == SOCK_STREAM)
&& !la.l2_psm) {
err = -EINVAL;
goto done;
}
@ -1098,7 +1107,8 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
lock_sock(sk);
if (sk->sk_state != BT_BOUND || sock->type != SOCK_SEQPACKET) {
if ((sock->type != SOCK_SEQPACKET && sock->type != SOCK_STREAM)
|| sk->sk_state != BT_BOUND) {
err = -EBADFD;
goto done;
}
@ -1857,7 +1867,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
switch (optname) {
case BT_SECURITY:
if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_RAW) {
if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM
&& sk->sk_type != SOCK_RAW) {
err = -EINVAL;
break;
}
@ -2007,7 +2018,8 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
switch (optname) {
case BT_SECURITY:
if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_RAW) {
if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM
&& sk->sk_type != SOCK_RAW) {
err = -EINVAL;
break;
}
@ -2314,7 +2326,7 @@ static int l2cap_build_conf_req(struct sock *sk, void *data)
{
struct l2cap_pinfo *pi = l2cap_pi(sk);
struct l2cap_conf_req *req = data;
struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
struct l2cap_conf_rfc rfc = { .mode = pi->mode };
void *ptr = req->data;
BT_DBG("sk %p", sk);
@ -3997,7 +4009,7 @@ static int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
static inline void l2cap_check_encryption(struct sock *sk, u8 encrypt)
{
if (sk->sk_type != SOCK_SEQPACKET)
if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM)
return;
if (encrypt == 0x00) {