ath11k: Add peer max mpdu parameter in peer assoc command
Add peer max mpdu length configuration support in peer_assoc_he
parameters. Noticed low throughput for the STA which
supports HE, HT and not VHT in MU-MIMO case without this
configuration
Dan Carpenter [Tue, 8 Sep 2020 06:22:03 +0000 (09:22 +0300)]
ath11k: fix uninitialized return in ath11k_spectral_process_data()
There is a success path where "ret" isn't initialized where we never
have a ATH11K_SPECTRAL_TAG_SCAN_SEARCH and then ret isn't initialized.
Fixes: 9d11b7bff950 ("ath11k: add support for spectral scan") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200619142922.GA267142@mwanda
Tom Rix [Sun, 6 Sep 2020 21:26:25 +0000 (14:26 -0700)]
ath11k: fix a double free and a memory leak
clang static analyzer reports this problem
mac.c:6204:2: warning: Attempt to free released memory
kfree(ar->mac.sbands[NL80211_BAND_2GHZ].channels);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The channels pointer is allocated in ath11k_mac_setup_channels_rates()
When it fails midway, it cleans up the memory it has already allocated.
So the error handling needs to skip freeing the memory.
There is a second problem.
ath11k_mac_setup_channels_rates(), allocates 3 channels. err_free
misses releasing ar->mac.sbands[NL80211_BAND_6GHZ].channels
Bryan O'Donoghue [Sat, 29 Aug 2020 03:38:46 +0000 (04:38 +0100)]
wcn36xx: Set feature DOT11AC for wcn3680
In order for the firmware to process extended V1 parameters with the
addtional VHT fields added we need to first enable the feature bit DOT11AC.
Once done the version number in the HAL message header will be acted upon
by the firmware.
Extended V1 parameters are a prerequisite for 802.11ac speeds since we
cannot communicate VHT parameters to the firmware absent the extended data
structures.
Bryan O'Donoghue [Sat, 29 Aug 2020 03:38:45 +0000 (04:38 +0100)]
wcn36xx: Use existing pointers in wcn36xx_smd_config_bss_v1
Two pointers are already defined in this function "bss" and "sta" which
point to fields within msg_body->bss_params.
We can substantially reduce the amount of extraneous text in this function
by making use of those pointers. This change makes the code easier to read
and modify.
Bryan O'Donoghue [Sat, 29 Aug 2020 03:38:42 +0000 (04:38 +0100)]
wcn36xx: Specify ieee80211_rx_status.nss
Specify the number of spatial streams in ieee80211_rx_status. For non VHT
data-rates the wireless core doesn't care about this field, however for VHT
data-rates it does.
Every version of wcn36xx has one spatial stream, so specify nss for
wcn3620, wcn3660 and wcn3680 now.
Loic Poulain [Sat, 29 Aug 2020 03:38:41 +0000 (04:38 +0100)]
wcn36xx: Fix warning due to bad rate_idx
The rate_idx is the index of the bitrate in the supported rate table.
However the 5Ghz band has a smaller legacy bitrate table than 2.4Ghz
since it does not have the DSSS bitrates (1, 2, 5.5, 11).
So in 5Ghz band the index should adjusted accrodingly (-4).
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
[bod: Made sure fix is only applied if the rate_idx > n_bitrates] Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200829033846.2167619-6-bryan.odonoghue@linaro.org
Douglas Anderson [Mon, 31 Aug 2020 15:28:47 +0000 (18:28 +0300)]
ath10k: Keep track of which interrupts fired, don't poll them
If we have a per CE (Copy Engine) IRQ then we have no summary
register. Right now the code generates a summary register by
iterating over all copy engines and seeing if they have an interrupt
pending.
This has a problem. Specifically if _none_ if the Copy Engines have
an interrupt pending then they might go into low power mode and
reading from their address space will cause a full system crash. This
was seen to happen when two interrupts went off at nearly the same
time. Both were handled by a single call of ath10k_snoc_napi_poll()
but, because there were two interrupts handled and thus two calls to
napi_schedule() there was still a second call to
ath10k_snoc_napi_poll() which ran with no interrupts pending.
Instead of iterating over all the copy engines, let's just keep track
of the IRQs that fire. Then we can effectively generate our own
summary without ever needing to read the Copy Engines.
Rakesh Pillai [Mon, 31 Aug 2020 15:28:47 +0000 (18:28 +0300)]
ath10k: Add interrupt summary based CE processing
Currently the NAPI processing loops through all
the copy engines and processes a particular copy
engine is the copy completion is set for that copy
engine. The host driver is not supposed to access
any copy engine register after clearing the interrupt
status register.
This might result in kernel crash like the one below
[ 1159.220143] Call trace:
[ 1159.220170] ath10k_snoc_read32+0x20/0x40 [ath10k_snoc]
[ 1159.220193] ath10k_ce_per_engine_service_any+0x78/0x130 [ath10k_core]
[ 1159.220203] ath10k_snoc_napi_poll+0x38/0x8c [ath10k_snoc]
[ 1159.220270] net_rx_action+0x100/0x3b0
[ 1159.220312] __do_softirq+0x164/0x30c
[ 1159.220345] run_ksoftirqd+0x2c/0x64
[ 1159.220380] smpboot_thread_fn+0x1b0/0x288
[ 1159.220405] kthread+0x11c/0x12c
[ 1159.220423] ret_from_fork+0x10/0x18
To avoid such a scenario, we generate an interrupt
summary by reading the copy completion for all the
copy engine before actually processing any of them.
This will avoid reading the interrupt status register
for any CE after the interrupt status is cleared.
ath10k: wmi: Use struct_size() helper in ath10k_wmi_alloc_skb()
Make use of the struct_size() helper instead of an open-coded version
in order to avoid any potential type mistakes. Also, remove unnecessary
variable _len_.
This code was detected with the help of Coccinelle and, audited and
fixed manually.
Lee Jones [Thu, 27 Aug 2020 09:33:51 +0000 (10:33 +0100)]
carl9170: Convert 'ar9170_qmap' to inline function
'ar9170_qmap' is used in some source files which include carl9170.h,
but not all of them. A 'defined but not used' warning is thrown when
compiling the ones which do not use it.
Fixes the following W=1 kernel build warning(s)
from drivers/net/wireless/ath/carl9170/carl9170.h:57,
In file included from drivers/net/wireless/ath/carl9170/carl9170.h:57,
drivers/net/wireless/ath/carl9170/carl9170.h:71:17: warning: ‘ar9170_qmap’ defined but not used [-Wunused-const-variable=]
NB: Snipped - lots of these repeat
Cc: Christian Lamparter <chunkeey@googlemail.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Lee Jones <lee.jones@linaro.org> Acked-by: Christian Lamparter <chunkeey@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200827093351.GA1627017@dell
Lee Jones [Thu, 27 Aug 2020 07:38:32 +0000 (08:38 +0100)]
wil6210: wil_platform: Demote kernel-doc header to standard comment block
There has been no attempt to document any of the function parameters here.
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/wil6210/wil_platform.c:27: warning: Function parameter or member 'dev' not described in 'wil_platform_init'
drivers/net/wireless/ath/wil6210/wil_platform.c:27: warning: Function parameter or member 'ops' not described in 'wil_platform_init'
drivers/net/wireless/ath/wil6210/wil_platform.c:27: warning: Function parameter or member 'rops' not described in 'wil_platform_init'
drivers/net/wireless/ath/wil6210/wil_platform.c:27: warning: Function parameter or member 'wil_handle' not described in 'wil_platform_init'
Cc: Maya Erez <merez@codeaurora.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: wil6210@qti.qualcomm.com Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200827073832.GW3248864@dell
Lee Jones [Thu, 27 Aug 2020 07:37:18 +0000 (08:37 +0100)]
wil6210: pmc: Demote a few nonconformant kernel-doc function headers
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/wil6210/pmc.c:43: warning: Function parameter or member 'wil' not described in 'wil_pmc_alloc'
drivers/net/wireless/ath/wil6210/pmc.c:43: warning: Function parameter or member 'num_descriptors' not described in 'wil_pmc_alloc'
drivers/net/wireless/ath/wil6210/pmc.c:43: warning: Function parameter or member 'descriptor_size' not described in 'wil_pmc_alloc'
drivers/net/wireless/ath/wil6210/pmc.c:229: warning: Function parameter or member 'wil' not described in 'wil_pmc_free'
drivers/net/wireless/ath/wil6210/pmc.c:229: warning: Function parameter or member 'send_pmc_cmd' not described in 'wil_pmc_free'
drivers/net/wireless/ath/wil6210/pmc.c:307: warning: Function parameter or member 'wil' not described in 'wil_pmc_last_cmd_status'
drivers/net/wireless/ath/wil6210/pmc.c:320: warning: Function parameter or member 'filp' not described in 'wil_pmc_read'
drivers/net/wireless/ath/wil6210/pmc.c:320: warning: Function parameter or member 'buf' not described in 'wil_pmc_read'
drivers/net/wireless/ath/wil6210/pmc.c:320: warning: Function parameter or member 'count' not described in 'wil_pmc_read'
drivers/net/wireless/ath/wil6210/pmc.c:320: warning: Function parameter or member 'f_pos' not described in 'wil_pmc_read'
Cc: Maya Erez <merez@codeaurora.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: wil6210@qti.qualcomm.com Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200827073718.GV3248864@dell
Lee Jones [Thu, 27 Aug 2020 07:35:45 +0000 (08:35 +0100)]
wil6210: txrx_edma: Demote comments which are clearly not kernel-doc
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/wil6210/txrx_edma.c:155: warning: Function parameter or member 'wil' not described in 'wil_ring_alloc_skb_edma'
drivers/net/wireless/ath/wil6210/txrx_edma.c:155: warning: Function parameter or member 'ring' not described in 'wil_ring_alloc_skb_edma'
drivers/net/wireless/ath/wil6210/txrx_edma.c:155: warning: Function parameter or member 'i' not described in 'wil_ring_alloc_skb_edma'
drivers/net/wireless/ath/wil6210/txrx_edma.c:1161: warning: Function parameter or member 'wil' not described in 'wil_tx_sring_handler'
drivers/net/wireless/ath/wil6210/txrx_edma.c:1161: warning: Function parameter or member 'sring' not described in 'wil_tx_sring_handler'
drivers/net/wireless/ath/wil6210/txrx_edma.c:1328: warning: Function parameter or member 'd' not described in 'wil_tx_desc_offload_setup_tso_edma'
drivers/net/wireless/ath/wil6210/txrx_edma.c:1328: warning: Function parameter or member 'tso_desc_type' not described in 'wil_tx_desc_offload_setup_tso_edma'
drivers/net/wireless/ath/wil6210/txrx_edma.c:1328: warning: Function parameter or member 'is_ipv4' not described in 'wil_tx_desc_offload_setup_tso_edma'
drivers/net/wireless/ath/wil6210/txrx_edma.c:1328: warning: Function parameter or member 'tcp_hdr_len' not described in 'wil_tx_desc_offload_setup_tso_edma'
drivers/net/wireless/ath/wil6210/txrx_edma.c:1328: warning: Function parameter or member 'skb_net_hdr_len' not described in 'wil_tx_desc_offload_setup_tso_edma'
drivers/net/wireless/ath/wil6210/txrx_edma.c:1328: warning: Function parameter or member 'mss' not described in 'wil_tx_desc_offload_setup_tso_edma'
Cc: Maya Erez <merez@codeaurora.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: wil6210@qti.qualcomm.com Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200827073545.GU3248864@dell
Lee Jones [Thu, 27 Aug 2020 07:34:42 +0000 (08:34 +0100)]
wil6210: txrx: Demote obvious abuse of kernel-doc
None of these headers provide any parameter documentation.
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/wil6210/txrx.c:259: warning: Function parameter or member 'wil' not described in 'wil_vring_alloc_skb'
drivers/net/wireless/ath/wil6210/txrx.c:259: warning: Function parameter or member 'vring' not described in 'wil_vring_alloc_skb'
drivers/net/wireless/ath/wil6210/txrx.c:259: warning: Function parameter or member 'i' not described in 'wil_vring_alloc_skb'
drivers/net/wireless/ath/wil6210/txrx.c:259: warning: Function parameter or member 'headroom' not described in 'wil_vring_alloc_skb'
drivers/net/wireless/ath/wil6210/txrx.c:309: warning: Function parameter or member 'wil' not described in 'wil_rx_add_radiotap_header'
drivers/net/wireless/ath/wil6210/txrx.c:309: warning: Function parameter or member 'skb' not described in 'wil_rx_add_radiotap_header'
drivers/net/wireless/ath/wil6210/txrx.c:444: warning: Function parameter or member 'wil' not described in 'wil_vring_reap_rx'
drivers/net/wireless/ath/wil6210/txrx.c:444: warning: Function parameter or member 'vring' not described in 'wil_vring_reap_rx'
drivers/net/wireless/ath/wil6210/txrx.c:610: warning: Function parameter or member 'wil' not described in 'wil_rx_refill'
drivers/net/wireless/ath/wil6210/txrx.c:610: warning: Function parameter or member 'count' not described in 'wil_rx_refill'
drivers/net/wireless/ath/wil6210/txrx.c:1011: warning: Function parameter or member 'wil' not described in 'wil_rx_handle'
drivers/net/wireless/ath/wil6210/txrx.c:1011: warning: Function parameter or member 'quota' not described in 'wil_rx_handle'
drivers/net/wireless/ath/wil6210/txrx.c:1643: warning: Function parameter or member 'd' not described in 'wil_tx_desc_offload_setup_tso'
drivers/net/wireless/ath/wil6210/txrx.c:1643: warning: Function parameter or member 'skb' not described in 'wil_tx_desc_offload_setup_tso'
drivers/net/wireless/ath/wil6210/txrx.c:1643: warning: Function parameter or member 'tso_desc_type' not described in 'wil_tx_desc_offload_setup_tso'
drivers/net/wireless/ath/wil6210/txrx.c:1643: warning: Function parameter or member 'is_ipv4' not described in 'wil_tx_desc_offload_setup_tso'
drivers/net/wireless/ath/wil6210/txrx.c:1643: warning: Function parameter or member 'tcp_hdr_len' not described in 'wil_tx_desc_offload_setup_tso'
drivers/net/wireless/ath/wil6210/txrx.c:1643: warning: Function parameter or member 'skb_net_hdr_len' not described in 'wil_tx_desc_offload_setup_tso'
drivers/net/wireless/ath/wil6210/txrx.c:1674: warning: Function parameter or member 'd' not described in 'wil_tx_desc_offload_setup'
drivers/net/wireless/ath/wil6210/txrx.c:1674: warning: Function parameter or member 'skb' not described in 'wil_tx_desc_offload_setup'
drivers/net/wireless/ath/wil6210/txrx.c:2240: warning: Function parameter or member 'wil' not described in '__wil_update_net_queues'
drivers/net/wireless/ath/wil6210/txrx.c:2240: warning: Function parameter or member 'vif' not described in '__wil_update_net_queues'
drivers/net/wireless/ath/wil6210/txrx.c:2240: warning: Function parameter or member 'ring' not described in '__wil_update_net_queues'
drivers/net/wireless/ath/wil6210/txrx.c:2240: warning: Function parameter or member 'check_stop' not described in '__wil_update_net_queues'
drivers/net/wireless/ath/wil6210/txrx.c:2430: warning: Function parameter or member 'vif' not described in 'wil_tx_complete'
drivers/net/wireless/ath/wil6210/txrx.c:2430: warning: Function parameter or member 'ringid' not described in 'wil_tx_complete'
Cc: Maya Erez <merez@codeaurora.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: wil6210@qti.qualcomm.com Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200827073442.GT3248864@dell
Lee Jones [Thu, 27 Aug 2020 07:33:38 +0000 (08:33 +0100)]
wil6210: interrupt: Demote comment header which is clearly not kernel-doc
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/wil6210/interrupt.c:652: warning: Function parameter or member 'irq' not described in 'wil6210_thread_irq'
drivers/net/wireless/ath/wil6210/interrupt.c:652: warning: Function parameter or member 'cookie' not described in 'wil6210_thread_irq'
Cc: Maya Erez <merez@codeaurora.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: wil6210@qti.qualcomm.com Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200827073338.GS3248864@dell
Lee Jones [Thu, 27 Aug 2020 07:32:01 +0000 (08:32 +0100)]
wil6210: wmi: Fix formatting and demote non-conforming function headers
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/wil6210/wmi.c:52: warning: Incorrect use of kernel-doc format: * Addressing - theory of operations
drivers/net/wireless/ath/wil6210/wmi.c:70: warning: Incorrect use of kernel-doc format: * @sparrow_fw_mapping provides memory remapping table for sparrow
drivers/net/wireless/ath/wil6210/wmi.c:80: warning: cannot understand function prototype: 'const struct fw_map sparrow_fw_mapping[] = '
drivers/net/wireless/ath/wil6210/wmi.c:107: warning: Cannot understand * @sparrow_d0_mac_rgf_ext - mac_rgf_ext section for Sparrow D0
drivers/net/wireless/ath/wil6210/wmi.c:115: warning: Cannot understand * @talyn_fw_mapping provides memory remapping table for Talyn
drivers/net/wireless/ath/wil6210/wmi.c:158: warning: Cannot understand * @talyn_mb_fw_mapping provides memory remapping table for Talyn-MB
drivers/net/wireless/ath/wil6210/wmi.c:236: warning: Function parameter or member 'x' not described in 'wmi_addr_remap'
drivers/net/wireless/ath/wil6210/wmi.c:255: warning: Function parameter or member 'section' not described in 'wil_find_fw_mapping'
drivers/net/wireless/ath/wil6210/wmi.c:278: warning: Function parameter or member 'wil' not described in 'wmi_buffer_block'
drivers/net/wireless/ath/wil6210/wmi.c:278: warning: Function parameter or member 'ptr_' not described in 'wmi_buffer_block'
drivers/net/wireless/ath/wil6210/wmi.c:278: warning: Function parameter or member 'size' not described in 'wmi_buffer_block'
drivers/net/wireless/ath/wil6210/wmi.c:307: warning: Function parameter or member 'wil' not described in 'wmi_addr'
drivers/net/wireless/ath/wil6210/wmi.c:307: warning: Function parameter or member 'ptr' not described in 'wmi_addr'
drivers/net/wireless/ath/wil6210/wmi.c:1589: warning: Function parameter or member 'wil' not described in 'wil_find_cid_ringid_sta'
drivers/net/wireless/ath/wil6210/wmi.c:1589: warning: Function parameter or member 'vif' not described in 'wil_find_cid_ringid_sta'
drivers/net/wireless/ath/wil6210/wmi.c:1589: warning: Function parameter or member 'cid' not described in 'wil_find_cid_ringid_sta'
drivers/net/wireless/ath/wil6210/wmi.c:1589: warning: Function parameter or member 'ringid' not described in 'wil_find_cid_ringid_sta'
drivers/net/wireless/ath/wil6210/wmi.c:1876: warning: Function parameter or member 'vif' not described in 'wmi_evt_ignore'
drivers/net/wireless/ath/wil6210/wmi.c:1876: warning: Function parameter or member 'id' not described in 'wmi_evt_ignore'
drivers/net/wireless/ath/wil6210/wmi.c:1876: warning: Function parameter or member 'd' not described in 'wmi_evt_ignore'
drivers/net/wireless/ath/wil6210/wmi.c:1876: warning: Function parameter or member 'len' not described in 'wmi_evt_ignore'
drivers/net/wireless/ath/wil6210/wmi.c:2588: warning: Function parameter or member 'wil' not described in 'wmi_rxon'
Cc: Maya Erez <merez@codeaurora.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: wil6210@qti.qualcomm.com Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200827073201.GR3248864@dell
Colin Ian King [Wed, 19 Aug 2020 11:14:52 +0000 (12:14 +0100)]
ath11k: fix missing error check on call to ath11k_pci_get_user_msi_assignment
The return error check on the call to ath11k_pci_get_user_msi_assignment is
missing. If an error does occur, num_vectors is still set to zero and
later on a division by zero can occur when variable vector is being
calculated. Fix this by adding an error check after the call.
Addresses-Coverity: ("Division or modulo by zero") Fixes: d4ecb90b3857 ("ath11k: enable DP interrupt setup for QCA6390") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200819111452.52419-1-colin.king@canonical.com
Allen Pais [Mon, 17 Aug 2020 09:06:25 +0000 (14:36 +0530)]
ath11k: convert tasklets to use new tasklet_setup() API
In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.
Allen Pais [Mon, 17 Aug 2020 09:06:24 +0000 (14:36 +0530)]
carl9170: convert tasklets to use new tasklet_setup() API
In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.
Lee Jones [Wed, 19 Aug 2020 07:23:55 +0000 (08:23 +0100)]
wil6210: debugfs: Fix a couple of formatting issues in 'wil6210_debugfs_init'
Kerneldoc expects attributes/parameters to be in '@*.: ' format and
gets confused if the variable does not follow the type/attribute
definitions.
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/wil6210/debugfs.c:456: warning: Function parameter or member 'wil' not described in 'wil6210_debugfs_init_offset'
drivers/net/wireless/ath/wil6210/debugfs.c:456: warning: Function parameter or member 'dbg' not described in 'wil6210_debugfs_init_offset'
drivers/net/wireless/ath/wil6210/debugfs.c:456: warning: Function parameter or member 'base' not described in 'wil6210_debugfs_init_offset'
drivers/net/wireless/ath/wil6210/debugfs.c:456: warning: Function parameter or member 'tbl' not described in 'wil6210_debugfs_init_offset'
Cc: Maya Erez <merez@codeaurora.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: wil6210@qti.qualcomm.com Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Maya Erez <merez@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200819072402.3085022-22-lee.jones@linaro.org
Dan Carpenter [Wed, 26 Aug 2020 11:34:17 +0000 (14:34 +0300)]
ath11k: return -ENOMEM on allocation failure
Returning PTR_ERR(NULL) means success, but we should return -ENOMEM.
Fixes: 1399fb87ea3e ("ath11k: register MHI controller device for QCA6390") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200826113417.GE393664@mwanda
Alex Dewar [Tue, 25 Aug 2020 14:30:39 +0000 (15:30 +0100)]
ath11k: return error if firmware request fails
In ath11k_qmi_prepare_bdf_download(), ath11k_core_firmware_request() is
called, but the returned pointer is not checked for errors. Rather the
variable ret (which will always be zero) is checked by mistake. Fix
this and replace the various gotos with simple returns for clarity.
While we are at it, move the call to memset, as variable bd is not used
on all code paths.
The ath9k driver hides all LEDs related code behind CONFIG_MAC80211_LEDS
ifdefs so it does not really require the MAC80211_LEDS. The code builds
fine. Convert the "select" into "imply" to allow disabling LED trigger
when not needed.
Lee Jones [Wed, 26 Aug 2020 09:33:57 +0000 (10:33 +0100)]
ath9k: ar5008_initvals: Move ar5416Bank{0,1,2,3,7} to where they are used
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/ath9k/ar5008_initvals.h:627:18: warning: ‘ar5416Bank7’ defined but not used [-Wunused-const-variable=]
627 | static const u32 ar5416Bank7[][2] = {
| ^~~~~~~~~~~
drivers/net/wireless/ath/ath9k/ar5008_initvals.h:548:18: warning: ‘ar5416Bank3’ defined but not used [-Wunused-const-variable=]
548 | static const u32 ar5416Bank3[][3] = {
| ^~~~~~~~~~~
drivers/net/wireless/ath/ath9k/ar5008_initvals.h:542:18: warning: ‘ar5416Bank2’ defined but not used [-Wunused-const-variable=]
542 | static const u32 ar5416Bank2[][2] = {
| ^~~~~~~~~~~
drivers/net/wireless/ath/ath9k/ar5008_initvals.h:536:18: warning: ‘ar5416Bank1’ defined but not used [-Wunused-const-variable=]
536 | static const u32 ar5416Bank1[][2] = {
| ^~~~~~~~~~~
drivers/net/wireless/ath/ath9k/ar5008_initvals.h:462:18: warning: ‘ar5416Bank0’ defined but not used [-Wunused-const-variable=]
462 | static const u32 ar5416Bank0[][2] = {
| ^~~~~~~~~~~
Cc: QCA ath9k Development <ath9k-devel@qca.qualcomm.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200826093401.1458456-27-lee.jones@linaro.org
drivers/net/wireless/ath/ath9k/ar5008_initvals.h:553:18: warning: ‘ar5416Bank6’ defined but not used [-Wunused-const-variable=]
Cc: QCA ath9k Development <ath9k-devel@qca.qualcomm.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200826093401.1458456-26-lee.jones@linaro.org
drivers/net/wireless/ath/ath9k/ar9001_initvals.h:462:18: warning: ‘ar5416Bank6_9100’ defined but not used [-Wunused-const-variable=]
Cc: QCA ath9k Development <ath9k-devel@qca.qualcomm.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200826093401.1458456-19-lee.jones@linaro.org
drivers/net/wireless/ath/ath9k/ar9002_initvals.h:900:18: warning: ‘ar9280PciePhy_clkreq_off_L1_9280’ defined but not used [-Wunused-const-variable=]
Cc: QCA ath9k Development <ath9k-devel@qca.qualcomm.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200826093401.1458456-18-lee.jones@linaro.org
The ath9k_htc driver hides all LEDs related code behind
CONFIG_MAC80211_LEDS ifdefs so it does not really require the
MAC80211_LEDS. The code builds and works just fine. Convert the
"select" into "imply" to allow disabling LED trigger when not needed.
Allen Pais [Mon, 17 Aug 2020 09:06:23 +0000 (14:36 +0530)]
ath9k: convert tasklets to use new tasklet_setup() API
In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.
Lee Jones [Wed, 26 Aug 2020 09:33:45 +0000 (10:33 +0100)]
ath6kl: wmi: Remove unused variable 'rate'
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/ath6kl/wmi.c: In function ‘ath6kl_wmi_bitrate_reply_rx’:
drivers/net/wireless/ath/ath6kl/wmi.c:1204:6: warning: variable ‘rate’ set but not used [-Wunused-but-set-variable]
Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200826093401.1458456-15-lee.jones@linaro.org
Allen Pais [Mon, 17 Aug 2020 09:06:22 +0000 (14:36 +0530)]
ath5k: convert tasklets to use new tasklet_setup() API
In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.
Loic Poulain [Tue, 25 Aug 2020 13:45:27 +0000 (15:45 +0200)]
wcn36xx: Disable bmps when encryption is disabled
For whatever reason, when connected to an open/no-security BSS,
the wcn36xx controller in bmps mode does not forward 'wake-up'
beacons despite AP sends DTIM with station AID.
Meaning that AP is not able to wakeup the station and needs to wait
for the station to wakeup by its own (TX data, keep alive pkt...),
causing serious latency issues and unexpected deauth.
When connected to AP with encryption enabled, this issue does not occur.
So a simple workaround is to only enable bmps support in that case.
Ideally, it should be propertly fixed to allow bmps support with open
BSS, whatever the issue is at driver or firmware level.
Loic Poulain [Tue, 25 Aug 2020 08:49:01 +0000 (10:49 +0200)]
wcn36xx: Setup starting bitrate to MCS-5
By default, after associated to an AP, the wcn36xx bitrate adjustment
algorithm starts sending data at 1Mbps, and increases the rate slowly
(1Mbps, 2Mbps, 6Mbps...) over the further TX packets.
Starting at 1Mbps usually causes the initial throughput to be really
low and the maximum possible bitrate to be reached after about hundreed
of TX packets.
That can be improved by setting a different initial bitrate for data
packets via the ENABLE_DYNAMIC_RA_START_RATE configuration value, this
value can be a legacy or MCS rate.
This patch sets the starting bitrate value to MCS-5, which seems to be
a good compromise given it can be quickly adjusted low or up if necessary.
(and based on what I observed in the wild with some mobile devices)
Loic Poulain [Mon, 24 Aug 2020 16:53:55 +0000 (18:53 +0200)]
wcn36xx: Fix software-driven scan
For software-driven scan, rely on mac80211 software scan instead
of internal driver implementation. The internal implementation
cause connection trouble since it keep the antenna busy during
the entire scan duration, moreover it's only a passive scanning
(no probe request). Therefore, let mac80211 manages sw scan.
Note: we fallback to software scan if firmware does not report
scan offload support or if we need to scan the 5Ghz band (currently
not supported by the offload scan...).
Tamizh Chelvam [Wed, 19 Aug 2020 17:55:38 +0000 (20:55 +0300)]
ath10k: Add new api to support reset TID config
Add ops for reset_tid_config to support reset TID
configuration. This send default configuration to the
target for the TIDs and stores default value in the host.
Tamizh Chelvam [Wed, 19 Aug 2020 17:55:38 +0000 (20:55 +0300)]
ath10k: Add new api to support TID specific configuration
This patch add ops for set_tid_config to support TID
specific configuration. Station specific TID configuration
will have more priority than vif specific TID configuration.
WMI_SERVICE_PEER_TID_CONFIGS_SUPPORT service flag introduced
to notify host for TID config support. And RTS_CTS extended tid
configuration support advertised through the service flag
WMI_10_4_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT.
TID specific noack configuration requires
aggregation should be disabled and rate for the data TID packets
should be basic rates. So, if the TID already configured
with noack policy then driver will ignore the aggregation
or TX rate related configuration for the same data TID.
In TX rate configuration should be applied with highest
preamble configuration(HT rates should not be applied
for the station which supports vht rates).
Tamizh Chelvam [Wed, 19 Aug 2020 17:55:37 +0000 (20:55 +0300)]
ath10k: Add wmi command support for station specific TID config
This patch adds WMI interface to configure station specific
TID configuration . Host needs to send station's MAC address
along with TID number and its configuration to target through
WMI_10_4_PER_PEER_PER_TID_CONFIG_CMDID.
WMI_SERVICE_PEER_TID_CONFIGS_SUPPORT flag is added to advertise
this support.
Wen Gong [Tue, 18 Aug 2020 14:12:02 +0000 (17:12 +0300)]
ath10k: sdio: add firmware coredump support
When firmware crashes it's possible to create a coredump for later analysis,
add support to collect the register and memory info from SDIO devices.
The coredump configuration is different between QCA6174 PCI and QCA6174 SDIO,
so add specific registers and memory regions for the latter.
QCA6174 SDIO has two methods to dump the firmware: fastdump and slowdump.
Fastdump is not supported in olded versions of firmware, and for these ath10k
will automatically select slowdump. If firmware supports fastdump, ath10k will
automatically select it. QCA6174 SDIO firmware version
WLAN.RMH.4.4.1-00017-QCARMSWPZ-2 is the first version supporting fastdump.
For slowdump, ath10k_sdio_hif_diag_read() can not be used as the diag
window has a limit value, it is 4 bytes and the dump's buffer length is larger
than it, it will trigger error. So this patch adds ath10k_sdio_read_mem() to
read 4 bytes for each time.
Tom Rix [Tue, 11 Aug 2020 14:02:19 +0000 (07:02 -0700)]
rndis_wlan: tighten check of rndis_query_oid return
clang static analysis reports this problem
rndis_wlan.c:3147:25: warning: Assigned value is garbage or undefined
wiphy->max_num_pmkids = le32_to_cpu(caps.num_pmkids);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The setting of caps happens here, with a call to rndis_query_oid()
retval = rndis_query_oid(usbdev,
if (retval >= 0) {
Reviewing rndis_query_oid() shows that on success 0 is returned,
failure is otherwise. So the retval check is not tight enough.
So tighten the retval check. Similar problem in
rndis_wlan_get_caps().
A possible call chain is as follow:
mwifiex_sdio_interrupt (sdio.c)
--> mwifiex_main_process (main.c)
--> mwifiex_process_cmdresp (cmdevt.c)
--> mwifiex_process_sta_cmdresp (sta_cmdresp.c)
--> mwifiex_ret_802_11_scan (scan.c)
--> mwifiex_parse_single_response_buf (scan.c)
'mwifiex_sdio_interrupt()' is an interrupt function.
Also note that 'mwifiex_ret_802_11_scan()' already uses GFP_ATOMIC.
So use GFP_ATOMIC instead of GFP_KERNEL when memory is allocated in
'mwifiex_parse_single_response_buf()'.
Fixes: 7c6fa2a843c5 ("mwifiex: use cfg80211 dynamic scan table and cfg80211_get_bss API")
or Fixes: 601216e12c65e ("mwifiex: process RX packets in SDIO IRQ thread directly") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200809092906.744621-1-christophe.jaillet@wanadoo.fr
The wrappers in include/linux/pci-dma-compat.h should go away.
The patch has been generated with the coccinelle script below and has been
hand modified to replace GFP_ with a correct flag.
It has been compile tested.
When memory is allocated in 'adm8211_alloc_rings()', GFP_KERNEL can be used
because it is called only from the probe function and no lock is acquired.
Moreover, GFP_KERNEL is already used just a few lines above in a kmalloc.
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
Rakesh Pillai [Fri, 26 Jun 2020 17:53:01 +0000 (23:23 +0530)]
ath10k: Register shutdown handler
As a part of device shutdown the smmu driver will be
stopped and henceforth any IOVA address translation
will not be done. The wlan driver, being one of the
smmu driver consumer, should stop all the dma related
activity as a part of shutdown, and thereby ensuring
that no dma activity is done once the smmu driver
shuts down.
During the device shutdown, the smmu calls shutdown
for all its consumers in order to indicate them to
stop all their dma activities.
Register the shutdown handler to stop the wlan
driver and avoid any dma operations.
Carl Huang [Mon, 17 Aug 2020 10:31:55 +0000 (13:31 +0300)]
ath11k: reset MHI during power down and power up
For QCA6390, normal power up and power down can't bring MHI
to a workable state. This happens especially in warm reboot
and rmmod and insmod. Host needs to write a few registers to
bring MHI to normal state.
Carl Huang [Mon, 17 Aug 2020 10:31:54 +0000 (13:31 +0300)]
ath11k: assign correct search flag and type for QCA6390
QCA6390 doesn't enable V2 map and ummap event, so the addr search
flags and type is different from IPQ8074. Assign correct search flags
and type for QCA6390.
Without this change, ping sometimes fails. With this change, now ping
is always successful.
Carl Huang [Mon, 17 Aug 2020 10:31:53 +0000 (13:31 +0300)]
ath11k: refine the phy_id check in ath11k_reg_chan_list_event
For QCA6390, it processes the reg chan list event only for phy0,
and it goes to fallback if the phy_id is not valid. For a valid
phy_id but not 0, just discard the event.
Carl Huang [Mon, 17 Aug 2020 10:31:53 +0000 (13:31 +0300)]
ath11k: setup QCA6390 rings for both rxdmas
For QCA6390, only one pdev is created and this pdev manages both lmacs, thus
both rxdmas. So host needs to initialize all rxdma related rings for one pdev.
Another difference is for QCA6390, host fills rxbuf to firmware and firmware
further fills the rxbuf to rxbuf ring for each rxdma.
Carl Huang [Mon, 17 Aug 2020 10:31:52 +0000 (13:31 +0300)]
ath11k: don't initialize rxdma1 related ring
For QCA6390, it has 2 lmacs and thus 2 rxdmas. However, each rxdma has rxdma0
only, and doesn't have rxdma1. So for QCA6390, don't initialize rxdma1 related
rings such as rx_mon_buf_ring, rx_mon_dst_ring and rx_mon_desc_ring.
Carl Huang [Mon, 17 Aug 2020 10:31:52 +0000 (13:31 +0300)]
ath11k: enable DP interrupt setup for QCA6390
QCA6390 uses MSI interrupt, so need to configure msi_add and
msi_data to dp srngs. As there are so many DP srngs, so need
to group them. Each group shares one MSI interrupt.
Carl Huang [Mon, 17 Aug 2020 10:31:51 +0000 (13:31 +0300)]
ath11k: wmi: put hardware to DBS mode
For QCA6390, host puts hardware to Dual Band Simultaneous (DBS) mode by default
so both 2G and 5G bands can be used. Otherwise only the 5G band can be used.
QCA6390 doesn't provide band_to_mac configuration and firmware will do the
band_to_mac map.
Kalle Valo [Mon, 17 Aug 2020 10:31:40 +0000 (13:31 +0300)]
ath10k: move enable_pll_clk call to ath10k_core_start()
There's no reason to have call for enable_pll_clk in ath10k_bmi_start(), move
it to ath10k_core_start() instead. This way it's possible to call
ath10k_bmi_start() from sdio.c during firmware dump creation. And also the
function call is more visible when it's in core.c.
Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
Dan Carpenter [Thu, 13 Aug 2020 14:12:53 +0000 (17:12 +0300)]
ath9k: Fix potential out of bounds in ath9k_htc_txcompletion_cb()
The value of "htc_hdr->endpoint_id" comes from skb->data so Smatch marks
it as untrusted so we have to check it before using it as an array
offset.
This is similar to a bug that syzkaller found in commit e4ff08a4d727
("ath9k: Fix use-after-free Write in ath9k_htc_rx_msg") so it is
probably a real issue.
Fixes: fb9987d0f748 ("ath9k_htc: Support for AR9271 chipset.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200813141253.GA457408@mwanda
ath9k: add NL80211_EXT_FEATURE_CAN_REPLACE_PTK0 support
The ath9k driver was so far only able to rekey PTK0 keys correctly due
to the best effort queue flush added with commit 62872a9b9a10
("mac80211: Fix PTK rekey freezes and clear text leak").
Add the needed queue flush and set NL80211_EXT_FEATURE_CAN_REPLACE_PTK0
to tell mac80211 that the driver can now rekey PTK0 keys correctly and
no longer needs the best effort flush.
Effectively this prevents mac80211 to warn when rekeying a PTK0 key
only.
Dan Carpenter [Thu, 13 Aug 2020 14:13:15 +0000 (17:13 +0300)]
ath6kl: prevent potential array overflow in ath6kl_add_new_sta()
The value for "aid" comes from skb->data so Smatch marks it as
untrusted. If it's invalid then it can result in an out of bounds array
access in ath6kl_add_new_sta().
Fixes: 572e27c00c9d ("ath6kl: Fix AP mode connect event parsing and TIM updates") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200813141315.GB457408@mwanda
Lee Jones [Fri, 14 Aug 2020 11:39:23 +0000 (12:39 +0100)]
ath5k: Fix kerneldoc formatting issue
Kerneldoc expects attributes/parameters to be in '@*.: ' format and
gets confused if the variable does not follow the type/attribute
definitions.
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/ath/ath5k/base.c:1111: warning: Function parameter or member 'ah' not described in 'ath5k_drain_tx_buffs'
Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Nick Kossifidis <mickflemm@gmail.com> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Jesper Dangaard Brouer <hawk@kernel.org> Cc: John Fastabend <john.fastabend@gmail.com> Cc: "Luis R. Rodriguez" <mcgrof@winlab.rutgers.edu> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Cc: bpf@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200814113933.1903438-21-lee.jones@linaro.org
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