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bd1c6142ed
Bug 60815 - Interface hangs in mwifiex_usb https://bugzilla.kernel.org/show_bug.cgi?id=60815 We have 4 bytes of interface header for packets delivered to SDIO and PCIe, but not for USB interface. In Tx AMSDU case, currently 4 bytes of garbage data is unnecessarily appended for USB packets. This sometimes leads to a firmware hang, because it may not interpret the data packet correctly. Problem is fixed by removing this redundant headroom for USB. Cc: <stable@vger.kernel.org> # 3.5+ Tested-by: Dmitry Khromov <icechrome@gmail.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
/*
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* Marvell Wireless LAN device driver: 802.11n Aggregation
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*
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* Copyright (C) 2011, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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#ifndef _MWIFIEX_11N_AGGR_H_
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#define _MWIFIEX_11N_AGGR_H_
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#define PKT_TYPE_AMSDU 0xE6
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#define MIN_NUM_AMSDU 2
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int mwifiex_11n_deaggregate_pkt(struct mwifiex_private *priv,
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struct sk_buff *skb);
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int mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
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struct mwifiex_ra_list_tbl *ptr,
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int ptr_index, unsigned long flags)
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__releases(&priv->wmm.ra_list_spinlock);
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#endif /* !_MWIFIEX_11N_AGGR_H_ */
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