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When queueing packets, only the MT76_RESET flag of the primary PHY
is checked. If the primary PHY is scanning or changing channels, this can
lead to packet loss for tx on the second PHY.
Fix this by passing the phy to the .tx_queue_skb op and using it to check
the correct flag.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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It seems that the nla_policy in mt76_tm_policy is missed for attribute
MT76_TM_ATTR_TX_LENGTH. This patch adds the correct description to make
sure the
u32 val = nla_get_u32(tb[MT76_TM_ATTR_TX_LENGTH]);
in function mt76_testmode_cmd() is safe and will not result in
out-of-attribute read.
Fixes: f0efa8621550 ("mt76: add API for testmode support")
Signed-off-by: Lin Ma <linma@zju.edu.cn>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Compared to fixed payload packets, random payload packets have better
measured EVM under the same txpower. Our tests show EVM becomes at least
2-3 dB better in test cases with high rate and long tx length, which also
aligns the testing results to proprietary driver.
Suggested-by: Jm Chen <jm.chen@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Report phy_indx in tx_info->hw_queue. This is a preliminary patch to add
newer chipset support
Co-developed-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Bo Jiao <bo.jiao@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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MT7615 and newer map multiple software tx queues to the hardware id
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This adds MT7986 SoC integrated multi-band 4x4 WiFi 6/6E.
Co-developed-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Co-developed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Bo Jiao <Bo.Jiao@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add support to set SA/DA/BSSID in testmode.
During mass production stage, some test scripts or test equipments need
to set fixed addresses to detect or parse if a test is passed.
Also, MAC setting is necessary for some tx/rx tests with rx filter,
to make sure rx site only receives expected packets.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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We add the testmode support to access the testmode feature provided
by the MT7921 firmware.
Tested-by: Sean Wang <sean.wang@mediatek.com>
Co-developed-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move chip-specific stats dumping part before common stats dumping
to provide flexibility for per-chip driver to modify the value of
common stats.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Get rid of an undefined behaviour in mt76_testmode_alloc_skb routine
allocating skb frames
Fixes: 2601dda8faa76 ("mt76: testmode: add support to send larger packet")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Get rid of unnecessary function calls in mt76_testmode_free_skb routine
since they are already managed by dev_kfree_skb
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Free all pending frames in case of failure in mt76_testmode_alloc_skb
routine
Fixes: 2601dda8faa76 ("mt76: testmode: add support to send larger packet")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add support to send larger packet in testmode to meet requirements
of some test cases.
The limit of max packet size is determined based on tx rate mode setting.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Originally, tx queued limit is set to 1000 to prevent from running out
of tx token. If a new testmode tx is triggered while the previous one
hasn't finished yet, we'll wait a period of time until tx_done equals to
tx_queued. Normally, current queued limit can finish in 10 seconds.
However, if ipg is configured to a larger value, less than 1000 packets
can be done in the default timeout period, which may lead to a crash
when a new testmode tx triggered.
To deal with this, make tx queued limit dynamically adjusted according
to ipg value.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add attributes for setting tx inter-packet gap (ipg), duty cycle, and
transmission time in testmode.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add spatial extension (spe) index as a configurable parameter in testmode.
This is used for specifically configuring TX path, such as different
WF TX priority, number of antennas and spatial streams.
If spe_idx is not set, TX path depends on tx_antenna_mask; otherwise,
both spe_idx and tx_antenna_mask are referenced to decide TX path.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move testmode mtd variables to mt76_dev, since they are the same on
each phy.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add testmode support for DBDC NICs (both MT7615D and MT7915D work).
Testmode data and parameters are moved from per-dev to per-phy
for maintaining the value of each band.
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This is a preliminary patch to properly support mt7915 dbdc
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Move hw data queues in mt76_phy from mt76_dev since mt7915 supports per
phy hw queues in dbdc mode
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Rely on mt76_queue instead of qid in tx_queue_skb signature.
This is a preliminary patch to move data queues in mt76_phy and add
dbdc support to mt7915 driver
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Extend enum mt76_testmode_tx_mode to support various HE rate modes.
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Prepare for setting different LTF (1x, 2x, and 4x) and GI (0.8us,
1.6us, 3.2us) combinations in HE rate mode.
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add the parameter to control STBC function in testmode.
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This improves performance by allowing the scheduler to move the tx scheduling
work to idle CPUs. Since tx scheduling work is very latency sensitive and
kept short via AQL, sched_set_fifo_low is used to keep worker priority above
normal tasks
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This avoids running out of available tx tokens
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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All members except for the struct mt76_queue pointer have been removed
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Fix a possible NULL pointer dereference in mt76_testmode_dump() since
nla_nest_start returns NULL in case of error
Fixes: f0efa8621550e ("mt76: add API for testmode support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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This can be used for calibration in the manufacturing process.
It supports sending a configurable number of packets with a specific rate
and configurable tx power levels / antenna settings.
It also supports receiving packets and showing some statistics, including
packet counters and detailed RSSI information.
It will only be compiled in if CONFIG_NL80211_TESTMODE is enabled
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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