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authorMarcel Holtmann <marcel@holtmann.org>2009-05-02 23:07:53 -0700
committerMarcel Holtmann <marcel@holtmann.org>2009-08-22 14:50:07 -0700
commit65c7c4918450f8c4545ccb02a9c7a3d77e073535 (patch)
treeceacb79cdf46b74bad8429dd06d32ba96f9c31f9 /net/bluetooth/l2cap.c
parentc6b03cf986eab00e20d0dbc852b233bb83472138 (diff)
Bluetooth: Add L2CAP RFC option if ERTM is enabled
When trying to establish a connection with Enhanced Retransmission mode enabled, the RFC option needs to be added to the configuration. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/l2cap.c')
-rw-r--r--net/bluetooth/l2cap.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 8a59e57d9df1..7ce1a24735c8 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1743,12 +1743,29 @@ 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 };
void *ptr = req->data;
BT_DBG("sk %p", sk);
- if (pi->imtu != L2CAP_DEFAULT_MTU)
- l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->imtu);
+ switch (pi->mode) {
+ case L2CAP_MODE_BASIC:
+ if (pi->imtu != L2CAP_DEFAULT_MTU)
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->imtu);
+ break;
+
+ case L2CAP_MODE_ERTM:
+ rfc.mode = L2CAP_MODE_ERTM;
+ rfc.txwin_size = L2CAP_DEFAULT_RX_WINDOW;
+ rfc.max_transmit = L2CAP_DEFAULT_MAX_RECEIVE;
+ rfc.retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
+ rfc.monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
+ rfc.max_pdu_size = cpu_to_le16(L2CAP_DEFAULT_MAX_RX_APDU);
+
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
+ sizeof(rfc), (unsigned long) &rfc);
+ break;
+ }
/* FIXME: Need actual value of the flush timeout */
//if (flush_to != L2CAP_DEFAULT_FLUSH_TO)
@@ -1828,7 +1845,7 @@ static int l2cap_parse_conf_req(struct sock *sk, void *data)
rfc.mode = L2CAP_MODE_BASIC;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
- sizeof(rfc), (unsigned long) &rfc);
+ sizeof(rfc), (unsigned long) &rfc);
}
}