[][MAC80211][wed][add wifi2wifi offload support]

[Description]
Add wifi2wifi offload support

[Release-log]
N/A

Change-Id: I0cdaea48fa17c136d58209f983d2543bcc3911af
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6973325
diff --git a/autobuild_mac80211_release/package/kernel/mac80211/patches/subsys/99902-mac80211-mtk-register-.ndo_setup_tc-to-support-wifi2.patch b/autobuild_mac80211_release/package/kernel/mac80211/patches/subsys/99902-mac80211-mtk-register-.ndo_setup_tc-to-support-wifi2.patch
new file mode 100755
index 0000000..0ea84cb
--- /dev/null
+++ b/autobuild_mac80211_release/package/kernel/mac80211/patches/subsys/99902-mac80211-mtk-register-.ndo_setup_tc-to-support-wifi2.patch
@@ -0,0 +1,89 @@
+From cd9544a72d01f115e97b4967f416b07691196e5f Mon Sep 17 00:00:00 2001
+From: Sujuan Chen <sujuan.chen@mediatek.com>
+Date: Fri, 23 Dec 2022 18:12:41 +0800
+Subject: [PATCH] mac80211: mtk: register .ndo_setup_tc to support wifi2wifi
+ offload
+
+Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
+---
+ include/net/mac80211.h |  5 +++++
+ net/mac80211/iface.c   | 26 ++++++++++++++++++++++++++
+ 2 files changed, 31 insertions(+)
+
+diff --git a/include/net/mac80211.h b/include/net/mac80211.h
+index bf4469b..3b2b2bb 100644
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -3978,6 +3978,8 @@ struct ieee80211_prep_tx_info {
+  *	resolve a path for hardware flow offloading
+  * @net_fill_receive_path: Called from .ndo_fill_receive_path in order to
+  *	get a path for hardware flow offloading
++  * @net_setup_tc: Called from .ndo_setup_tc in order to register flowblock
++ *	callback function
+  */
+ struct ieee80211_ops {
+ 	void (*tx)(struct ieee80211_hw *hw,
+@@ -4316,6 +4318,9 @@ struct ieee80211_ops {
+ 	int (*net_fill_receive_path)(struct ieee80211_hw *hw,
+ 				     struct net_device_path_ctx *ctx,
+ 				     struct net_device_path *path);
++	int (*net_setup_tc)(struct ieee80211_hw *hw,
++			    struct net_device *dev,
++			    int type, void *type_data);
+ };
+ 
+ /**
+diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
+index 35f1233..43f6cb0 100644
+--- a/net/mac80211/iface.c
++++ b/net/mac80211/iface.c
+@@ -932,6 +932,30 @@ static int ieee80211_netdev_fill_receive_path(struct net_device_path_ctx *ctx,
+ 	return ret;
+ }
+ 
++static int ieee80211_netdev_setup_tc(struct net_device *dev,
++					       enum tc_setup_type type, void *type_data)
++{
++	struct ieee80211_sub_if_data *sdata;
++	struct ieee80211_local *local;
++	int ret = -ENOENT;
++
++	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
++	local = sdata->local;
++
++	if (!local->ops->net_setup_tc)
++		return -EOPNOTSUPP;
++
++	if (!type_data)
++		return -EINVAL;
++
++	rcu_read_lock();
++
++	ret = local->ops->net_setup_tc(&local->hw, dev, (int)type, type_data);
++
++	rcu_read_unlock();
++
++	return ret;
++}
+ 
+ static const struct net_device_ops ieee80211_dataif_8023_ops = {
+ #if LINUX_VERSION_IS_LESS(4,10,0)
+@@ -952,6 +976,7 @@ static const struct net_device_ops ieee80211_dataif_8023_ops = {
+ #endif
+ 	.ndo_fill_forward_path = ieee80211_netdev_fill_forward_path,
+ 	.ndo_fill_receive_path = ieee80211_netdev_fill_receive_path,
++	.ndo_setup_tc		= ieee80211_netdev_setup_tc,
+ };
+ 
+ static bool ieee80211_iftype_supports_hdr_offload(enum nl80211_iftype iftype)
+@@ -1504,6 +1529,7 @@ static void ieee80211_if_setup(struct net_device *dev)
+ 	dev->priv_flags &= ~IFF_TX_SKB_SHARING;
+ 	dev->netdev_ops = &ieee80211_dataif_ops;
+ 	netdev_set_priv_destructor(dev, ieee80211_if_free);
++	dev->features |= NETIF_F_HW_TC;
+ }
+ 
+ static void ieee80211_if_setup_no_queue(struct net_device *dev)
+-- 
+2.18.0
+