Bluetooth: Add SOCK_STREAM support to L2CAP
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>
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 4c00720..1a32562 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -224,7 +224,7 @@
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 @@
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 @@
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 @@
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 @@
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 @@
} 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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
{
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 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) {
