From: Nathan Holstein <nathan@xxxxxxxxxxxxxxxxxxx>
When negotiating Enhanced Retransmission or Streaming modes, append our RFC
option to the configuration list.
Signed-off-by: Nathan Holstein <nathan@xxxxxxxxxxxxxxxxxxx>
---
net/bluetooth/l2cap.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 7df307f..660a433 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -1863,6 +1863,7 @@ 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 = { 0, };
void *ptr = req->data;
BT_DBG("sk %p", sk);
@@ -1870,6 +1871,29 @@ static int l2cap_build_conf_req(struct sock *sk, void *data)
if (pi->imtu != L2CAP_DEFAULT_MTU)
l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->imtu);
+ switch (pi->mode) {
+ 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);
+ break;
+
+ case L2CAP_MODE_STREAM:
+ rfc.mode = L2CAP_MODE_STREAM;
+ rfc.txwin_size = 0;
+ rfc.max_transmit = 0;
+ rfc.retrans_timeout = 0;
+ rfc.monitor_timeout = 0;
+ rfc.max_pdu_size = cpu_to_le16(L2CAP_DEFAULT_MAX_RX_APDU);
+ break;
+ }
+ if (rfc.mode)
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
+ (unsigned long) &rfc);
+
/* FIXME: Need actual value of the flush timeout */
//if (flush_to != L2CAP_DEFAULT_FLUSH_TO)
// l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO, 2, pi->flush_to);
--
1.6.0.6
--
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