From d1daa091e8612f3aab14d28b5836375fafe155e1 Mon Sep 17 00:00:00 2001 From: "Gustavo F. Padovan" <padovan@profusion.mobi> Date: Sat, 1 May 2010 16:15:36 -0300 Subject: [PATCH] Bluetooth: Fix ACL MTU issue MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ERTM and Streaming Modes was having problems when the ACL MTU is lower than MPS. The 'minus 10' is to take in account the header and fcs lenghts. 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> --- net/bluetooth/l2cap.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 401011a53c73..99cf1772b481 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -2267,6 +2267,8 @@ done: rfc.retrans_timeout = 0; rfc.monitor_timeout = 0; rfc.max_pdu_size = cpu_to_le16(L2CAP_DEFAULT_MAX_PDU_SIZE); + if (L2CAP_DEFAULT_MAX_PDU_SIZE > pi->conn->mtu - 10) + rfc.max_pdu_size = pi->conn->mtu - 10; l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), (unsigned long) &rfc); @@ -2288,6 +2290,8 @@ done: rfc.retrans_timeout = 0; rfc.monitor_timeout = 0; rfc.max_pdu_size = cpu_to_le16(L2CAP_DEFAULT_MAX_PDU_SIZE); + if (L2CAP_DEFAULT_MAX_PDU_SIZE > pi->conn->mtu - 10) + rfc.max_pdu_size = pi->conn->mtu - 10; l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), (unsigned long) &rfc); -- GitLab