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Add the NPU generic layer in mt76 module. NPU will be used to enable
traffic forward offloading between the MT76 NIC and the Airoha ethernet one
available on the Airoha EN7581 SoC using Netfilter Flowtable APIs.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20251017-mt76-npu-devel-v2-4-ddaa90901723@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Introduce a NPU callback to initialize flow stats and remove NPU stats
initialization from airoha_npu_get routine. Add num_stats_entries to
airoha_npu_ppe_stats_setup routine.
This patch makes the code more readable since NPU statistic are now
initialized on demand by the NPU consumer (at the moment NPU statistic
are configured just by the airoha_eth driver).
Moreover this patch allows the NPU consumer (PPE module) to explicitly
enable/disable NPU flow stats.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250924-airoha-npu-init-stats-callback-v1-1-88bdf3c941b2@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Export airoha_ppe_check_skb routine in ppe_dev ops. check_skb callback
will be used by the MT76 driver in order to offload the traffic received
by the wlan NIC and forwarded to the ethernet one.
Add rx_wlan parameter to airoha_ppe_check_skb routine signature.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250823-airoha-en7581-wlan-rx-offload-v3-3-f78600ec3ed8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Introduce airoha_ppe_dev struct as container for PPE offload callbacks
consumed by the MT76 driver during flowtable offload for traffic
received by the wlan NIC and forwarded to the wired one.
Add airoha_ppe_setup_tc_block_cb routine to PPE offload ops for MT76
driver.
Rely on airoha_ppe_dev pointer in airoha_ppe_setup_tc_block_cb
signature.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250823-airoha-en7581-wlan-rx-offload-v3-2-f78600ec3ed8@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move NPU definitions to airoha_offload.h in include/linux/soc/airoha/ in
order to allow the MT76 driver to access the callback definitions.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250811-airoha-en7581-wlan-offlaod-v7-7-58823603bb4e@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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