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path: root/drivers/net/wireless/mwifiex/11n_aggr.c
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* mwifiex: add support for Marvell USB8797 chipsetAmitkumar Karwar2012-04-231-15/+21
| | | | | | | | | | | | | This patch supports Avastar 88W8797 chipset with USB interface. The corresponding firmware image file is located at: "mrvl/usb8797_uapsta.bin" Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Frank Huang <frankh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: fix checkpatch --strict warnings/errors Part 1Yogesh Ashok Powar2012-03-141-8/+7Star
| | | | | | | | For files 11n.c, 11n.h, 11n_aggr.c, 11n_rxreorder.c Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: use bss_type and bss_num to retrieve privYogesh Ashok Powar2012-01-241-1/+2
| | | | | | | | | | | | | | Current implementation, for retrieving priv from adapter, uses bss_index. In multi interface environment supporting different types, bss_index may not be unique. Use bss_type along with bss_num to retrieve the priv. bss_index is removed with this change. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: add support for Marvell pcie8766 chipsetAmitkumar Karwar2011-10-121-2/+1Star
| | | | | | | | | | | | | | | This patch supports 88W8766P chipset with a PCIe interface. The corresponding firmware image file is located at: "mrvl/pcie8766_uapsta.bin" Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Ramesh Radhakrishnan <rramesh@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Frank Huang <frankh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: correct AMSDU aggregation checkAmitkumar Karwar2011-10-031-2/+0Star
| | | | | | | | | | | | | | | | | | The commit "mwifiex: remove list traversal.."(fcf2176c87..) wrongly modifies AMSDU aggregation check. Due to this even though packet size for iperf traffic is already large, we unnecessarily try to aggregate them which adds some delay. If Tx iperf is started on UUT for 30 seconds, UUT keeps sending Tx packets for few more seconds. That commit is reverted to fix the problem. Also, MIN_NUM_AMSDU check is moved inside the loop to optimize the loop. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: disable transmission buffer aggregation for AMSDU packetsYogesh Ashok Powar2011-06-071-5/+13
| | | | | | | | | | | | | Padding per MSDU will affect the length of next packet and hence the exact length of next packet is uncertain here. Also, aggregation of transmission buffer, while downloading the data to the card, wont gain much on the AMSDU packets as the AMSDU packets utilizes the transmission buffer space to the maximum (adapter->tx_buf_size). Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: adding check for enough space before paddingYogesh Ashok Powar2011-06-071-8/+14
| | | | | | | | | | | All MSDUs, except the last one in an AMSDU, should end up at 4 bytes boundary. There is need to check if enough skb_tailroom space exists before padding the skb. Also re-arranging code for better readablity. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: Remove redundant skb_queue_empty checksYogesh Ashok Powar2011-06-071-10/+5Star
| | | | | | | | The check of skb list empty before calling skb_peek and skb_dequeue is redundant. These functions returns NULL if the list is empty. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: remove list traversal in mwifiex_num_pkts_in_txqYogesh Ashok Powar2011-06-071-1/+4
| | | | | | | | | | | | | | Instead of counting the number of packets in txq for particular RA list before AMSDU creation, maintain a counter which will keep track of the same. This will reduce some MIPS while generating AMSDU traffic as we only have to check the counter instead of traversing through skb list. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: reduce CPU usage by tracking tx_pkts_queuedMarc Yang2011-05-191-0/+4
| | | | | | | | | | This patch adds tx_pkts_queued to track number of packets being enqueued & dequeued so that mwifiex_wmm_lists_empty() evaluation is lightweight. Signed-off-by: Marc Yang <yangyang@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: use ieee80211_amsdu_to_8023s routineYogesh Ashok Powar2011-05-161-125/+0Star
| | | | | | | | | | | mwifiex was using its own implementation of converting 802.11n AMSDU to 802.3s. This patch removes mwifiex specific implementation and uses existing ieee80211_amsdu_to_8023s routine. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: fix null derefs, mem leaks and triviaChristoph Fritz2011-05-101-2/+4
| | | | | | | | | | | | | | This patch: - adds kfree() where necessary - prevents potential null dereferences - makes use of kfree_skb() - replaces -1 for failed kzallocs with -ENOMEM Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com> Reviewed-by: Kiran Divekar <dkiran@marvell.com> Tested-by: Amitkumar Karwar <akarwar@marvell.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: remove unnecessary variable initializationYogesh Ashok Powar2011-05-051-4/+3Star
| | | | | | | | | Skip initialization of local variables with some default values if the values are not going to be used further down the code path. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: remove unused function parametersAmitkumar Karwar2011-04-141-3/+2Star
| | | | | | | | | Some function parameters become useless after previous cleanup changes. 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>
* wireless: mwifiex: initial commit for Marvell mwifiex driverBing Zhao2011-03-301-0/+423
This driver adds WiFi support for Marvell 802.11n based chipsets with SDIO interface. Currently only SD8787 is supported. More chipsets will be supported later. drivers/net/wireless/mwifiex/ Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Marc Yang <yangyang@marvell.com> Signed-off-by: Ramesh Radhakrishnan <rramesh@marvell.com> Signed-off-by: Frank Huang <frankh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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