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airoha: backport kernel part of WiFi MT76 offload patch

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Backport the kernel parf of the WiFi MT76 offload patch. This is needed
as we have a dedicated package that only have mt76 related changes.

Add missing include in airoha_offload.h in order to enable MT76 NPU
offloading (and fix compilation error)

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
[ improve commit title/description and use proper patch ]
Link: https://github.com/openwrt/openwrt/pull/20807
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Lorenzo Bianconi 2025-10-24 14:44:03 +02:00 committed by Christian Marangi
parent 1c3b32c45a
commit 28a710885e
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1 changed files with 39 additions and 0 deletions
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39
target/linux/airoha/patches-6.12/111-v6.19-wifi-mt76-Introduce-the-NPU-generic-layer.patch Normal file
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@ -0,0 +1,39 @@
From 62f1347fa5bf6e6c9c054aedb9e87e7205fa12ac Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Fri, 17 Oct 2025 10:50:32 +0200
Subject: [PATCH] wifi: mt76: Introduce the NPU generic layer
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>
---
drivers/net/wireless/mediatek/mt76/Kconfig | 4 +
drivers/net/wireless/mediatek/mt76/Makefile | 1 +
drivers/net/wireless/mediatek/mt76/dma.c | 41 +-
drivers/net/wireless/mediatek/mt76/dma.h | 36 ++
drivers/net/wireless/mediatek/mt76/mac80211.c | 6 +-
drivers/net/wireless/mediatek/mt76/mt76.h | 135 +++++
drivers/net/wireless/mediatek/mt76/npu.c | 494 ++++++++++++++++++
include/linux/soc/airoha/airoha_offload.h | 1 +
8 files changed, 711 insertions(+), 7 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/npu.c
diff --git a/include/linux/soc/airoha/airoha_offload.h b/include/linux/soc/airoha/airoha_offload.h
index 6f66eb339b3f..4d23cbb7d407 100644
--- a/include/linux/soc/airoha/airoha_offload.h
+++ b/include/linux/soc/airoha/airoha_offload.h
@@ -6,6 +6,7 @@
#ifndef AIROHA_OFFLOAD_H
#define AIROHA_OFFLOAD_H
+#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
--
2.51.0