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path: root/drivers/net/wireless/marvell/mwifiex/util.c
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2025-04-23wifi: mwifiex: drop asynchronous init waiting codeSascha Hauer
Historically all commands sent to the mwifiex driver have been asynchronous. The different commands sent during driver initialization have been queued at once and only the final command has been waited for being ready before finally starting the driver. This has been changed in Commit 7bff9c974e1a ("mwifiex: send firmware initialization commands synchronously"). With this the initialization is finished once the last mwifiex_send_cmd_sync() (now mwifiex_send_cmd()) has returned. This makes all the code used to wait for the last initialization command to be finished unnecessary, so it's removed in this patch. Acked-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Link: https://patch.msgid.link/20250423-mwifiex-drop-asynchronous-init-v2-3-1bb951073a06@pengutronix.de Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2025-04-23wifi: mwifiex: make locally used function staticSascha Hauer
mwifiex_is_tdls_off_chan() is only used locally. Make it static. Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Brian Norris <briannorris@chromium.org> Link: https://patch.msgid.link/20250410-mwifiex-cleanup-1-v6-8-a6bbd4ac4d37@pengutronix.de Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2024-10-17wifi: mwifiex: add missing locking for cfg80211 callsSascha Hauer
cfg80211_rx_assoc_resp() and cfg80211_rx_mlme_mgmt() need to be called with the wiphy locked, so lock it before calling these functions. Fixes: 36995892c271 ("wifi: mwifiex: add host mlme for client mode") Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://patch.msgid.link/20240918-mwifiex-cleanup-1-v2-1-2d0597187d3c@pengutronix.de
2024-08-04wifi: mwifiex: add host mlme for AP modeDavid Lin
Add host based MLME to enable WPA3 functionalities in AP mode. This feature required a firmware with the corresponding V2 Key API support. The feature (WPA3) is currently enabled and verified only on IW416. Also, verified no regression with change when host MLME is disabled. Signed-off-by: David Lin <yu-hao.lin@nxp.com> Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com> Acked-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://patch.msgid.link/20240704033001.603419-3-yu-hao.lin@nxp.com
2024-08-04wifi: mwifiex: add host mlme for client modeDavid Lin
Add host based MLME to enable WPA3 functionalities in client mode. This feature required a firmware with the corresponding V2 Key API support. The feature (WPA3) is currently enabled and verified only on IW416. Also, verified no regression with change when host MLME is disabled. Signed-off-by: David Lin <yu-hao.lin@nxp.com> Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com> Acked-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://patch.msgid.link/20240704033001.603419-2-yu-hao.lin@nxp.com
2023-08-01wifi: mwifiex: Fix OOB and integer underflow when rx packetsPolaris Pi
Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet, mwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet not out-of-bounds access the skb->data buffer. Fixes: 2dbaf751b1de ("mwifiex: report received management frames to cfg80211") Signed-off-by: Polaris Pi <pinkperfect2021@gmail.com> Reviewed-by: Matthew Wang <matthewmwang@chromium.org> Reviewed-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230723070741.1544662-1-pinkperfect2021@gmail.com
2022-06-10treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULEThomas Gleixner
Based on the normalized pattern: this software file (the file ) is distributed by nxp under the terms of the gnu general public license version 2 june 1991 (the license ) you may use redistribute and/or modify this file in accordance with the terms and conditions of the license a copy of which is available by writing to the free software foundation inc 51 franklin street fifth floor boston ma 02110-1301 usa or on the worldwide web at http://www gnu org/licenses/old-licenses/gpl-2 0 txt the file is distributed as-is without warranty of any kind and the implied warranties of merchantability or fitness for a particular purpose are expressly disclaimed the license provides additional details about this warranty disclaimer extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference. Reviewed-by: Allison Randal <allison@lohutok.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-03-06wireless: Marvell: Use netif_rx().Sebastian Andrzej Siewior
Since commit baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any context.") the function netif_rx() can be used in preemptible/thread context as well as in interrupt context. Use netif_rx(). Cc: Amitkumar Karwar <amitkarwar@gmail.com> Cc: Ganapathi Bhat <ganapathi017@gmail.com> Cc: Kalle Valo <kvalo@kernel.org> Cc: Sharvari Harisangam <sharvari.harisangam@nxp.com> Cc: Xinming Hu <huxinming820@gmail.com> Cc: libertas-dev@lists.infradead.org Cc: linux-wireless@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-29net: mwifiex: Use netif_rx_any_context().Sebastian Andrzej Siewior
The usage of in_interrupt() in non-core code is phased out. Ideally the information of the calling context should be passed by the callers or the functions be split as appropriate. mwifiex uses in_interupt() to select the netif_rx*() variant which matches the calling context. The attempt to consolidate the code by passing an arguemnt or by distangling it failed due lack of knowledge about this driver and because the call chains are hard to follow. As a stop gap use netif_rx_any_context() which invokes the correct code path depending on context and confines the in_interrupt() usage to core code. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-14mwifiex: change license text from MARVELL to NXPGanapathi Bhat
As of 6-DEC-2019, NXP has acquired Marvell’s Wireless business unit. This change is to update the license text accordingly. Signed-off-by: James Cao <zheng.cao@nxp.com> Signed-off-by: Cathy Luo <xiaohua.luo@nxp.com> Signed-off-by: Ganapathi Bhat <ganapathi.bhat@nxp.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-06-27mwifiex: don't disable hardirqs; just softirqsBrian Norris
main_proc_lock and int_lock (in mwifiex_adapter) are the only spinlocks used in hardirq contexts. The rest are only in task or softirq contexts. Convert every other lock from *_irq{save,restore}() variants to _bh() variants. This is a mechanical transformation of all spinlock usage in mwifiex using the following: Step 1: I ran this nasty sed script: sed -i -E '/spin_lock_irqsave|spin_unlock_irqrestore/ { /main_proc_lock|int_lock/! { s:(spin_(un|)lock)_irq(save|restore):\1_bh: ; # Join broken lines. :a /;$/! { N; s/\s*\n\s*//; ba } /,.*\);$/ s:,.*\):\): } }' drivers/net/wireless/marvell/mwifiex/* Step 2: Manually delete the flags / ra_list_flags args from: mwifiex_send_single_packet() mwifiex_11n_aggregate_pkt() mwifiex_send_processed_packet() which are now unused. Step 3: Apply this semantic patch (coccinelle) to remove the unused 'flags' variables: // <smpl> @@ type T; identifier i; @@ ( extern T i; | - T i; ... when != i ) // </smpl> (Usage is something like this: make coccicheck COCCI=./patch.cocci MODE=patch M=drivers/net/wireless/marvell/mwifiex/ although this skips *.h files for some reasons, so I had to massage stuff.) Testing: I've played with a variety of stress tests, including download stress tests on the same APs which caught regressions with commit 5188d5453bc9 ("mwifiex: restructure rx_reorder_tbl_lock usage"). I've primarily tested on Marvell 8997 / PCIe, although I've given 8897 / SDIO a quick spin as well. Signed-off-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-07-31mwifiex: use atomic bitops to represent adapter status variablesGanapathi Bhat
Driver is using boolean variables to maintain vairous status information of adapter. These status variables are accessed by multiple threads and there is a possibility of a race. To avoid this, convert these variables to a set of bitops flags, to be operated atomically. Below variables of mwifiex_adapter are converted to bitop flags: surprise_removed is_cmd_timedout is_suspended is_hs_configured hs_enabling Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-05-29mwifiex: avoid exporting mwifiex_send_cmdGanapathi Bhat
This is a follow-up patch for commit 21c5c83ce833 ("mwifiex: support sysfs initiated device coredump"). Let us avoid exporting mwifiex_send_cmd and instead use a utility function mwifiex_fw_dump_event to achive the work. Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-05-23mwifiex: correct histogram data with appropriate indexXinming Hu
Correct snr/nr/rssi data index to avoid possible buffer underflow. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-03-20mwifiex: fix for unaligned readsDevidas Puranik
Using the accessor function e.g. get_unaligned_le32 instead of le32_to_cpu to avoid the unaligned access. This is for the architectures that don't handle the unaligned memory access Signed-off-by: Devidas Puranik <devidas@marvell.com> Signed-off-by: Ganapathi Bhat <gbhat@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-01-12mwifiex: don't wait for main_process in shutdown_drvXinming Hu
main_process is not expected to be running when shutdown_drv function is called. currently we wait for main_process completion in the function. Actually the caller has already made sure main_process is completed by performing below actions. (1) disable interrupts in if_ops->disable_int. (2) set adapter->surprise_removed = true, main_process wont be queued. (3) mwifiex_terminate_workqueue(adapter), wait for workqueue to be completed. This patch removes redundant wait code and takes care of related cleanup. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-03mwifiex: fix missing break on IEEE80211_STYPE_ACTION caseColin Ian King
The IEEE80211_STYPE_ACTION case is missing a break in the switch statement, causing it to fall through to the default case that reports a debug message about an unknown frame subtype. Fix this by adding in the missing break statement. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-03-07mwifiex: add sdio multiport aggregation debug informationXinming Hu
This patch sdio multi port aggregation statistics which can be used for debugging. This debug data is collected in /sys/kernel/debug/mwifiex/mlan0/debug. Signed-off-by: Xinming Hu <huxm@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-11-18mwifiex: move under marvell vendor directoryKalle Valo
Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>