From 26cbc20e4f2c6235df55e28e990482c435f99d25 Mon Sep 17 00:00:00 2001
From: bitthief <bitthief@protonmail.ch>
Date: Fri, 3 Feb 2023 06:54:08 +0200
Subject: [PATCH] qca: add mcs

---
 qca/qca-mcs/Makefile                          | 64 +++++++++++++++++++
 .../patches/0001-kernel-5.10-compat.patch     | 40 ++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 qca/qca-mcs/Makefile
 create mode 100644 qca/qca-mcs/patches/0001-kernel-5.10-compat.patch

diff --git a/qca/qca-mcs/Makefile b/qca/qca-mcs/Makefile
new file mode 100644
index 0000000..b82b29c
--- /dev/null
+++ b/qca/qca-mcs/Makefile
@@ -0,0 +1,64 @@
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=qca-mcs
+PKG_RELEASE:=1
+
+PKG_SOURCE_URL:=https://git.codelinaro.org/clo/qsdk/oss/lklm/qca-mcs.git
+PKG_SOURCE_DATE:=2022-03-16
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_VERSION:=dd8a438
+PKG_MIRROR_HASH:=1d76eb02641c243a4a9416ff32d2cdc778c3d3095ad101d584fe4dc50661b376
+
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/qca-mcs
+  SECTION:=kernel
+  CATEGORY:=Kernel modules
+  SUBMENU:=Network Support
+  URL:=http://www.qca.qualcomm.com
+  MAINTAINER:=Qualcomm Atheros, Inc.
+  TITLE:=QCA Multicast Snooping Support
+  DEPENDS:=+@KERNEL_IPV6_MROUTE +@KERNEL_IP_MROUTE
+
+  KCONFIG:=CONFIG_NETFILTER=y CONFIG_BRIDGE_NETFILTER=y
+  FILES:=$(PKG_BUILD_DIR)/qca-mcs.ko
+  AUTOLOAD:=$(call AutoLoad,41,qca-mcs)
+endef
+
+define KernelPackage/qca-mcs/description
+  This package installs the IGMP/MLD Snooping Module
+endef
+
+QCA_MC_SNOOPING_HEADERS= \
+            $(PKG_BUILD_DIR)/mc_api.h \
+            $(PKG_BUILD_DIR)/mc_ecm.h \
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/include/qca-mcs
+	$(foreach header_file,$(QCA_MC_SNOOPING_HEADERS), $(CP) $(header_file) $(1)/usr/include/qca-mcs;)
+	$(foreach header_file,$(QCA_MC_SNOOPING_HEADERS), $(CP) $(header_file) $(1)/usr/include/;)
+endef
+
+EXTRA_CFLAGS+=-Wno-implicit-fallthrough
+
+QCA_MC_SNOOPING_MAKE_OPTS:= \
+        $(KERNEL_MAKE_FLAGS) \
+        CONFIG_SUPPORT_MLD=y \
+        MDIR=$(PKG_BUILD_DIR) \
+        KBUILDPATH=$(LINUX_DIR) \
+        KERNELPATH=$(LINUX_SRC_DIR) \
+        KERNELRELEASE=$(LINUX_RELEASE)
+
+define Build/Compile
+	$(MAKE) $(PKG_JOBS) -C $(LINUX_DIR) \
+		$(KERNEL_MAKE_FLAGS) \
+		KBUILDPATH=$(LINUX_DIR) \
+		$(PKG_MAKE_FLAGS) \
+		M=$(PKG_BUILD_DIR) \
+		EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
+		$(strip $(QCA_MC_SNOOPING_MAKE_OPTS)) \
+		modules
+endef
+
+$(eval $(call KernelPackage,qca-mcs))
diff --git a/qca/qca-mcs/patches/0001-kernel-5.10-compat.patch b/qca/qca-mcs/patches/0001-kernel-5.10-compat.patch
new file mode 100644
index 0000000..f078762
--- /dev/null
+++ b/qca/qca-mcs/patches/0001-kernel-5.10-compat.patch
@@ -0,0 +1,40 @@
+--- a/mc_osdep.h
++++ b/mc_osdep.h
+@@ -189,7 +189,7 @@ static inline struct net_bridge_port *mc
+ 
+ 	dst = os_br_fdb_get((struct net_bridge *)br, eth_hdr(*skb)->h_dest);
+ 
+-	if (dst && !dst->is_local)
++	if (dst && !test_bit(BR_FDB_LOCAL, &dst->flags))
+ 		return dst->dst;
+ 
+ 	return NULL;
+--- a/mc_snooping.c
++++ b/mc_snooping.c
+@@ -3450,6 +3450,18 @@ static int mc_proc_snooper_open(struct i
+         return single_open(file, mc_proc_snooper_show, NULL);
+ }
+ 
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)
++#define HAVE_PROC_OPS
++#endif
++
++#ifdef HAVE_PROC_OPS
++static const struct proc_ops mc_proc_snooper_fops = {
++  .proc_open = mc_proc_snooper_open,
++  .proc_read = seq_read,
++  .proc_lseek = seq_lseek,
++  .proc_release = single_release,
++};
++#else
+ static const struct file_operations mc_proc_snooper_fops = {
+         .owner          = THIS_MODULE,
+         .open           = mc_proc_snooper_open,
+@@ -3457,6 +3469,7 @@ static const struct file_operations mc_p
+         .llseek         = seq_lseek,
+         .release        = single_release,
+ };
++#endif
+ 
+ /* mc_proc_create_snooper_entry
+  *	create proc entry for information show