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This feature chooses to transmit with antenna that has better signal
strength periodically under 1ss rate.
It can benefit connection quality in the following cases:
1. User is far away from the AP.
2. The far-field pattern of the antenna showed significant signal
strength difference.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210426013252.5665-2-pkshih@realtek.com
Adding this supports beacon filter and CQM.
Let firmware perform connection quality monitor and beacon processing.
This make host CPU wakeup less under power save mode.
To make mechanisms work as usual, fw will notify driver events such as
signal change and beacon loss.
This feature needs firmware 9.9.8 or newer to support it, and driver is
compatible with older firmware.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210426013252.5665-1-pkshih@realtek.com
In gen3, after firmware is alive, we no longer need the
firmware and image loader images, only the context info
itself and PRPH info/scratch need to remain.
Call iwl_pcie_ctxt_info_gen3_free() appropriately in the
alive callback (iwl_trans_pcie_gen2_fw_alive()) with a new
argument indicating whether it can free everything or only
partially.
The context info and PRPH scratch are also not needed after
PNVM load, but we don't have a good hook for freeing after
that, so keep them for now.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.8230d91a46c1.Ia7db71e5e6265ca87363f1481eac1bc3bbebb15c@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The TR/CR tail data are meant to be per-queue-arrays, however,
we allocate them completely wrong (we have a separate allocation
per queue).
Looking at this more closely, it turns out that the hardware
never uses these - we have a separate free list per RX queue
and maintain a write pointer for that in a register, and the
RX itself is indicated in the RB status (rb_stts) DMA region.
Despite nothing using the tail pointers, the hardware will
unconditionally access them to write updates, even when we aren't
using CRs/TRs.
Give it dummy values that we never use/update so it can do that
without causing trouble.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210617110647.5f5764e04c46.I4d5de1929be048085767f1234a1e07b517ab6a2d@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The firmware can now request SMPS (due to thermal conditions), add
some code to honour such requests and bubble them up through the
stack, subject to our other SMPS constraints, e.g. from Bluetooth.
Then, if the firmware requests SMPS, then we know that it supports
a small extension to the PHY configuration API where a chain mask
of 0 means "use 1 but pick which one yourself", so in this case we
use that extension.
During firmware restart, we stay in the previous state, and the FW
will send us a notification at startup (only) if the temperature is
below the lower or above the high threshold, to sync the state.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.85656b7684b9.I7a661a0758d070a750d3a91874d1a0f5fab9febc@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When we have a P2P Device active, we attempt to only change the
PHY context it uses when we get a new remain-on-channel, if the
P2P Device is the only user of the PHY context.
This is fine if we're switching within a band, but if we're
switching bands then the switch implies a removal and re-add
of the PHY context, which isn't permitted by the firmware while
it's bound to an interface.
Fix the code to skip the unbind/release/... cycle only if the
band doesn't change (or we have old devices that can switch the
band on the fly as well.)
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210612142637.e9ac313f70f3.I713b9d109957df7e7d9ed0861d5377ce3f8fccd3@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Kalle Valo says:
====================
wireless-drivers fixes for v5.13
Only one important fix for an mwifiex regression.
mwifiex
* fix deadlock during rmmod or firmware reset, regression from
cfg80211 RTNL changes in v5.12-rc1
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Some devices/firmwares cause this to be printed every 5-15 seconds,
though it has no impact on functionality. Demote this to a debug
message.
I see this on SDM845 and MSM8998 platforms, specifically the OnePlus 6 devices,
PocoPhone F1 and OnePlus 5. On the OnePlus 6 (SDM845) we are stuck with the
following signed vendor fw:
[ 9.339873] ath10k_snoc 18800000.wifi: qmi chip_id 0x30214 chip_family 0x4001 board_id 0xff soc_id 0x40030001
[ 9.339897] ath10k_snoc 18800000.wifi: qmi fw_version 0x20060029 fw_build_timestamp 2019-07-12 02:14 fw_build_id QC_IMAGE_VERSION_STRING=WLAN.HL.2.0.c8-00041-QCAHLSWMTPLZ-1
The OnePlus 5 (MSM8998) is using firmware:
[ 6096.956799] ath10k_snoc 18800000.wifi: qmi chip_id 0x30214 chip_family 0x4001 board_id 0xff soc_id 0x40010002
[ 6096.956824] ath10k_snoc 18800000.wifi: qmi fw_version 0x1007007e fw_build_timestamp 2020-04-14 22:45 fw_build_id QC_IMAGE_VERSION_STRING=WLAN.HL.1.0.c6-00126-QCAHLSWMTPLZ-1.211883.1.278648.
Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.2.0.c8-00041-QCAHLSWMTPLZ-1
Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.1.0.c6-00126-QCAHLSWMTPLZ-1.211883.1.278648
Signed-off-by: Caleb Connolly <caleb@connolly.tech>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210522171609.299611-1-caleb@connolly.tech
One USB data buffer can contain multiple received network
packets. If that's the case, they're processed this way:
1. Original buffer is cloned
2. Original buffer is trimmed to contain only the first
network packet
3. This first network packet is passed to network stack
4. Cloned buffer is trimmed to eliminate the first network
packet
5. Repeat with the cloned buffer until there are no more
network packets inside
However, if the space remaining in original buffer after
the first network packet is not enough to contain at least
another network packet descriptor, it is not cloned.
The loop parsing this packets ended if remaining space == 0.
But if the remaining space was > 0 but < packet descriptor
size, another iteration of the loop was done, processing again
the previous packet because cloning didn't happen. Moreover,
the ownership of this packet had been passed to network
stack in the previous iteration.
This patch ensures that no extra iteration is done if the
remaining size is not enough for one packet, and also avoid
the first iteration for the same reason.
Probably this doesn't happen in practice, but can happen
theoretically.
Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210511071926.8951-1-ihuguet@redhat.com
Based on 2001:3319 and 2357:0109 which I used to test the fix and
0bda:818b and 2357:0108 for which I found efuse dumps online.
== 2357:0109 ==
=== Before ===
Vendor: Realtek
Product: \x03802.11n NI
Serial:
=== After ===
Vendor: Realtek
Product: 802.11n NIC
Serial not available.
== 2001:3319 ==
=== Before ===
Vendor: Realtek
Product: Wireless N
Serial: no USB Adap
=== After ===
Vendor: Realtek
Product: Wireless N Nano USB Adapter
Serial not available.
Signed-off-by: Pascal Terjan <pterjan@google.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210424172959.1559890-1-pterjan@google.com
