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Date: Mon, 10 May 2010 11:36:59 +0200 From: Marcel Holtmann <marcel@...tmann.org> To: David Miller <davem@...emloft.net> Cc: netdev@...r.kernel.org Subject: [PATCH 09/64] Bluetooth: Fix ACL MTU issue From: Gustavo F. Padovan <padovan@...fusion.mobi> 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@...fusion.mobi> Reviewed-by: João Paulo Rechi Vita <jprvita@...fusion.mobi> Signed-off-by: Marcel Holtmann <marcel@...tmann.org> --- net/bluetooth/l2cap.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 401011a..99cf177 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); -- 1.6.6.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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