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7 commits

Author SHA1 Message Date
David Mosberger-Tang
4d2cd7b06c wilc1000: Convert static "chipid" variable to device-local variable
Move "chipid" variable into the per-driver structure so the code
doesn't break if more than one wilc1000 module is present.

Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211221210538.4011227-1-davidm@egauge.net
2021-12-22 19:50:50 +02:00
David Mosberger-Tang
b530d5f39c wilc1000: Improve WILC TX performance when power_save is off
The wakeup and sleep commands need to be sent to the WILC chip only
when it is in power save mode (PSM, as controlled by "iw dev wlan0 set
power_save on/off").  The commands are relatively costly, so it pays
to skip them when possible.

iperf3 without this patch (no significant different with PSM on/off):
  TX   0.00-120.01 sec   140 MBytes  9.82 Mbits/sec
  RX   0.00-120.69 sec   283 MBytes  19.6 Mbits/sec

with this patch applied:

PSM off (TX is 46% improved, RX slightly improved; may not be significant):
  TX   0.00-120.00 sec   206 MBytes  14.4 Mbits/sec
  RX   0.00-120.48 sec   322 MBytes  22.4 Mbits/sec

PSM on (no significant change):
  TX   0.00-120.00 sec   140 MBytes  9.78 Mbits/sec
  RX   0.00-120.08 sec   257 MBytes  18.0 Mbits/sec

Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211210203016.3680425-2-davidm@egauge.net
2021-12-16 10:30:21 +02:00
Jakub Kicinski
0341ae70eb wilc1000: use eth_hw_addr_set()
Commit 406f42fa0d ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it got through appropriate helpers.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211018235021.1279697-13-kuba@kernel.org
2021-10-20 12:39:46 +03:00
Ajay Singh
5bb9de8bcb wilc1000: configure registers to handle chip wakeup sequence
Use the correct sequence to configure clockless registers for chip wake-up.
The following sequence is expected from WILC chip for wakeup:
 - set wakeup bit in wakeup_reg register
 - after setting the wakeup bit, read back the clock status bit for wakeup
   complete.

For SDIO/SPI modules, the wakeup sequence is the same except uses different
register values so refactored the code to use common function for both
SDIO/SPI bus.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210916164902.74629-5-ajay.kathat@microchip.com
2021-09-21 18:08:15 +03:00
Ajay Singh
c8e2036ee9 wilc1000: move 'deinit_lock' lock init/destroy inside module probe
Move initialization & deinitialization of 'deinit_lock' mutex lock inside
wlan_init_locks() & wlan_deinit_locks() API's respectively alongside other
locks. After the movement, the client count variable(client_count) which is
used for lock init/deinit is removed.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210916164902.74629-2-ajay.kathat@microchip.com
2021-09-21 18:08:14 +03:00
Ajay Singh
339754ffdb wilc1000: added queue support for WMM
Added multiple queues[BK,BE,VI,VO] to handle different priority data
packets. Before adding a packet to the queue, checked its priority from
the header, and then add to the suitable queue. The limit for each queue
is maintained separately. Also while passing the packets to the firmware
via VMM take care to select data packets based on priority and available
space.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201125114059.10006-6-ajay.kathat@microchip.com
2020-12-02 21:38:12 +02:00
Ajay Singh
5625f965d7 wilc1000: move wilc driver out of staging
WILC1000 is an IEEE 802.11 b/g/n IoT link controller module. The
WILC1000 connects to Microchip AVR/SMART MCUs, SMART MPUs, and other
processors with minimal resource requirements with a simple
SPI/SDIO-to-Wi-Fi interface.

WILC1000 driver has been part of staging for few years. With
contributions from the community, it has improved significantly. Full
driver review has helped in achieving the current state.
The details for those reviews are captured in 1 & 2.

[1]. https://lore.kernel.org/linux-wireless/1537957525-11467-1-git-send-email-ajay.kathat@microchip.com/
[2]. https://lore.kernel.org/linux-wireless/1562896697-8002-1-git-send-email-ajay.kathat@microchip.com/

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2020-06-26 08:46:46 +03:00
Renamed from drivers/staging/wilc1000/netdev.h (Browse further)