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If the loop fails, the "while(trials--) {" loop will exit with "trials"
set to -1. The test for that expects it to end with "trials" set to 0
so the warning message will not be printed.
Fix this by changing from a post-op to a pre-op. This does mean that
we only make 99 attempts instead of 100 but that's okay.
Fixes: f135a1571a ("wilc1000: Support chip sleep over SPI")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/YFS5gx/gi70zlIaO@mwanda
Linux network drivers normally disallow changing the MAC address when
the interface is up. This driver has been different in that it allows
to change the MAC address *only* when it's up. This patch brings
wilc1000 behavior more in line with other network drivers. We could
have replaced wilc_set_mac_addr() with eth_mac_addr() but that would
break existing documentation on how to change the MAC address.
Likewise, return -EADDRNOTAVAIL (not -EINVAL) when the specified MAC
address is invalid or unavailable.
Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210303194846.1823596-1-davidm@egauge.net
The driver so far has always disabled CRC protection. This means any
data corruption that occurrs during the SPI transfers could go
undetected. This patch adds module parameters enable_crc7 and
enable_crc16 to selectively turn on CRC7 (for command transfers) and
CRC16 (for data transfers), respectively.
The default configuration remains unchanged, with both CRC7 and CRC16
off.
The performance impact of CRC was measured by running ttcp -t four
times in a row on a SAMA5 device:
CRC7 CRC16 Throughput: Standard deviation:
---- ----- ----------- -------------------
off off 1720 +/- 48 KB/s
on off 1658 +/- 58 KB/s
on on 1579 +/- 84 KB/s
Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210227172818.1711071-4-davidm@egauge.net
For CMD_SINGLE_READ and CMD_INTERNAL_READ, WILC may insert one or more
zero bytes between the command response and the DATA Start tag (0xf3).
This behavior appears to be undocumented in "ATWILC1000 USER GUIDE"
(https://tinyurl.com/4hhshdts) but we have observed 1-4 zero bytes
when the SPI bus operates at 48MHz and none when it operates at 1MHz.
This code is derived from the equivalent code of the wilc driver in
the linux-at91 repository.
Signed-off-by: David Mosberger-Tang <davidm@egauge.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210227172818.1711071-1-davidm@egauge.net
ac_classify() expects a struct sk_buff* as its second argument, which is
a member of struct tx_complete_data. priv happens to be a pointer to
struct tx_complete_data, so passing it directly to ac_classify() leads
to wrong behaviour and occasional panics.
Since there is only one caller of wilc_wlan_txq_add_net_pkt and it
already knows the type behind this pointer, and the structure is already
in the header file, change the function signature to use the real type
instead of void* in order to prevent confusion.
Signed-off-by: Vsevolod Kozlov <zaba@mm.st>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/YCQomJ1mO5BLxYOT@Vsevolods-Mini.lan
Kalle Valo says:
====================
wireless-drivers-next patches for v5.12
First set of patches for v5.12. A smaller pull request this time,
biggest feature being a better key handling for ath9k. And of course
the usual fixes and cleanups all over.
Major changes:
ath9k
* more robust encryption key cache management
brcmfmac
* support BCM4365E with 43666 ChipCommon chip ID
* tag 'wireless-drivers-next-2021-02-05' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next: (35 commits)
iwl4965: do not process non-QOS frames on txq->sched_retry path
mt7601u: process tx URBs with status EPROTO properly
wlcore: Fix command execute failure 19 for wl12xx
mt7601u: use ieee80211_rx_list to pass frames to the network stack as a batch
rtw88: 8723de: adjust the LTR setting
rtlwifi: rtl8821ae: fix bool comparison in expressions
rtlwifi: rtl8192se: fix bool comparison in expressions
rtlwifi: rtl8188ee: fix bool comparison in expressions
rtlwifi: rtl8192c-common: fix bool comparison in expressions
rtlwifi: rtl_pci: fix bool comparison in expressions
wlcore: Downgrade exceeded max RX BA sessions to debug
wilc1000: use flexible-array member instead of zero-length array
brcmfmac: clear EAP/association status bits on linkdown events
brcmfmac: Delete useless kfree code
qtnfmac_pcie: Use module_pci_driver
mt7601u: check the status of device in calibration
mt7601u: process URBs in status EPROTO properly
brcmfmac: support BCM4365E with 43666 ChipCommon chip ID
wilc1000: fix spelling mistake in Kconfig "devision" -> "division"
mwifiex: pcie: Drop bogus __refdata annotation
...
====================
Link: https://lore.kernel.org/r/20210205161901.C7F83C433ED@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We used to not require anything in terms of registering netdevs
with cfg80211, using a netdev notifier instead. However, in the
next patch reducing RTNL locking, this causes big problems, and
the simplest way is to just require drivers to do things better.
Change the registration/unregistration semantics to require the
drivers to call cfg80211_(un)register_netdevice() when this is
happening due to a cfg80211 request, i.e. add_virtual_intf() or
del_virtual_intf() (or if it somehow has to happen in any other
cfg80211 callback).
Otherwise, in other contexts, drivers may continue to use the
normal netdev (un)registration functions as usual.
Internally, we still use the netdev notifier and track (by the
new wdev->registered bool) if the wdev had already been added
to cfg80211 or not.
Link: https://lore.kernel.org/r/20210122161942.cf2f4b65e4e9.Ida8234e50da13eb675b557bac52a713ad4eddf71@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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
