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authorGustavo F. Padovan <padovan@profusion.mobi>2010-05-01 16:15:36 -0300
committerMarcel Holtmann <marcel@holtmann.org>2010-05-10 09:28:46 +0200
commitd1daa091e8612f3aab14d28b5836375fafe155e1 (patch)
tree5947832185fe76f7b6a0ff3471b36f16a86fc0e5 /net
parent7dffe4210233a2860c3f41477c40b3252edf2b7d (diff)
Bluetooth: Fix ACL MTU issue
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>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/l2cap.c4
1 files changed, 4 insertions, 0 deletions
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);