x86: add linux kernel 6.6 support

package/kernel/linux/modules/other.mk

@@ -1336,7 +1336,7 @@ $(eval $(call KernelPackage,itco-wdt))
 define KernelPackage/mhi-bus
   SUBMENU:=$(OTHER_MENU)
   TITLE:=MHI bus
-  DEPENDS:=@(LINUX_5_15||LINUX_6_1)
+  DEPENDS:=@(LINUX_5_15||LINUX_6_1||LINUX_6_6)
   KCONFIG:=CONFIG_MHI_BUS \
            CONFIG_MHI_BUS_DEBUG=y
   FILES:=$(LINUX_DIR)/drivers/bus/mhi/host/mhi.ko

package/kernel/linux/modules/video.mk

@@ -284,7 +284,7 @@ define KernelPackage/drm
   TITLE:=Direct Rendering Manager (DRM) support
   HIDDEN:=1
   DEPENDS:=+kmod-dma-buf +kmod-i2c-core +kmod-backlight \
-	+(LINUX_5_15||LINUX_6_1):kmod-fb
+	+(LINUX_5_15||LINUX_6_1||LINUX_6_6):kmod-fb
   KCONFIG:=CONFIG_DRM \
 	[email protected] \
 	[email protected]
@@ -395,6 +395,7 @@ define KernelPackage/drm-amdgpu
 	CONFIG_DRM_AMD_DC=y \
 	CONFIG_DEBUG_KERNEL_DC=n
   FILES:=$(LINUX_DIR)/drivers/gpu/drm/amd/amdgpu/amdgpu.ko \
+  $(LINUX_DIR)/drivers/gpu/drm/amd/amdxcp/[email protected] \
 	$(LINUX_DIR)/drivers/gpu/drm/scheduler/gpu-sched.ko
   AUTOLOAD:=$(call AutoProbe,amdgpu)
 endef
@@ -526,7 +527,7 @@ define KernelPackage/drm-radeon
   SUBMENU:=$(VIDEO_MENU)
   TITLE:=Radeon DRM support
   DEPENDS:=@TARGET_x86||TARGET_phytium @DISPLAY_SUPPORT +kmod-backlight +kmod-drm-kms-helper \
-	+kmod-drm-ttm +kmod-i2c-algo-bit +LINUX_6_1:kmod-acpi-video +radeon-firmware
+	+kmod-drm-ttm +kmod-i2c-algo-bit +(LINUX_6_1||LINUX_6_6):kmod-acpi-video +radeon-firmware
   KCONFIG:=CONFIG_DRM_RADEON
   FILES:=$(LINUX_DIR)/drivers/gpu/drm/radeon/radeon.ko
   AUTOLOAD:=$(call AutoProbe,radeon)
@@ -555,7 +556,7 @@ $(eval $(call KernelPackage,drm-sched))
 define KernelPackage/drm-nouveau
   SUBMENU:=$(VIDEO_MENU)
   TITLE:=nouveau DRM support
-  DEPENDS:=@TARGET_x86 @DISPLAY_SUPPORT +kmod-drm-kms-helper +LINUX_6_1:kmod-acpi-video
+  DEPENDS:=@TARGET_x86 @DISPLAY_SUPPORT +kmod-drm-kms-helper +(LINUX_6_1||LINUX_6_6):kmod-acpi-video
   KCONFIG:=CONFIG_DRM_NOUVEAU \
 	NOUVEAU_DEBUG=5 \
 	NOUVEAU_DEBUG_DEFAULT=3 \
@@ -579,7 +580,7 @@ define KernelPackage/video-core
   SUBMENU:=$(VIDEO_MENU)
   TITLE=Video4Linux support
   DEPENDS:=+PACKAGE_kmod-i2c-core:kmod-i2c-core \
-	+LINUX_6_1:kmod-media-core
+	+LINUX_6_1||LINUX_6_6:kmod-media-core
   KCONFIG:= \
 	CONFIG_VIDEO_DEV \
 	CONFIG_V4L_PLATFORM_DRIVERS=y
@@ -1218,7 +1219,7 @@ define KernelPackage/drm-i915
   SUBMENU:=$(VIDEO_MENU)
   TITLE:=Intel GPU drm support
   DEPENDS:=@TARGET_x86 +kmod-drm-ttm +kmod-drm-kms-helper +i915-firmware \
-	+LINUX_6_1:kmod-drm-display-helper +LINUX_6_1:kmod-acpi-video
+	+(LINUX_6_1||LINUX_6_6):kmod-drm-display-helper +(LINUX_6_1||LINUX_6_6):kmod-acpi-video
   KCONFIG:= \
 	CONFIG_INTEL_GTT \
 	CONFIG_DRM_I915 \

target/linux/generic/pending-6.6/613-netfilter_optional_tcp_window_check.patch

@@ -0,0 +1,89 @@
+From: Felix Fietkau <[email protected]>
+Subject: netfilter: optional tcp window check
+
+Signed-off-by: Felix Fietkau <[email protected]>
+Signed-off-by: Christian 'Ansuel' Marangi <[email protected]>
+---
+ net/netfilter/nf_conntrack_proto_tcp.c | 13 +++++++++++++
+ 1 file changed, 13 insertions(+)
+
+--- a/net/netfilter/nf_conntrack_proto_tcp.c
++++ b/net/netfilter/nf_conntrack_proto_tcp.c
+@@ -513,11 +513,15 @@ tcp_in_window(struct nf_conn *ct, enum i
+ 	struct ip_ct_tcp *state = &ct->proto.tcp;
+ 	struct ip_ct_tcp_state *sender = &state->seen[dir];
+ 	struct ip_ct_tcp_state *receiver = &state->seen[!dir];
++	const struct nf_tcp_net *tn = nf_tcp_pernet(nf_ct_net(ct));
+ 	__u32 seq, ack, sack, end, win, swin;
+ 	bool in_recv_win, seq_ok;
+ 	s32 receiver_offset;
+ 	u16 win_raw;
+
++	if (tn->tcp_no_window_check)
++		return NFCT_TCP_ACCEPT;
++
+ 	/*
+ 	 * Get the required data from the packet.
+ 	 */
+@@ -1257,7 +1261,7 @@ int nf_conntrack_tcp_packet(struct nf_co
+ 		 IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED &&
+ 		 timeouts[new_state] > timeouts[TCP_CONNTRACK_UNACK])
+ 		timeout = timeouts[TCP_CONNTRACK_UNACK];
+-	else if (ct->proto.tcp.last_win == 0 &&
++	else if (!tn->tcp_no_window_check && ct->proto.tcp.last_win == 0 &&
+ 		 timeouts[new_state] > timeouts[TCP_CONNTRACK_RETRANS])
+ 		timeout = timeouts[TCP_CONNTRACK_RETRANS];
+ 	else
+@@ -1573,6 +1577,9 @@ void nf_conntrack_tcp_init_net(struct ne
+ 	 */
+ 	tn->tcp_be_liberal = 0;
+
++	/* Skip Windows Check */
++	tn->tcp_no_window_check = 0;
++
+ 	/* If it's non-zero, we turn off RST sequence number check */
+ 	tn->tcp_ignore_invalid_rst = 0;
+
+--- a/net/netfilter/nf_conntrack_standalone.c
++++ b/net/netfilter/nf_conntrack_standalone.c
+@@ -637,6 +637,7 @@ enum nf_ct_sysctl_index {
+ #endif
+ 	NF_SYSCTL_CT_PROTO_TCP_LOOSE,
+ 	NF_SYSCTL_CT_PROTO_TCP_LIBERAL,
++	NF_SYSCTL_CT_PROTO_TCP_NO_WINDOW_CHECK,
+ 	NF_SYSCTL_CT_PROTO_TCP_IGNORE_INVALID_RST,
+ 	NF_SYSCTL_CT_PROTO_TCP_MAX_RETRANS,
+ 	NF_SYSCTL_CT_PROTO_TIMEOUT_UDP,
+@@ -844,6 +845,14 @@ static struct ctl_table nf_ct_sysctl_tab
+ 		.extra1 	= SYSCTL_ZERO,
+ 		.extra2 	= SYSCTL_ONE,
+ 	},
++	[NF_SYSCTL_CT_PROTO_TCP_NO_WINDOW_CHECK] = {
++		.procname       = "nf_conntrack_tcp_no_window_check",
++		.maxlen         = sizeof(u8),
++		.mode           = 0644,
++		.proc_handler	= proc_dou8vec_minmax,
++		.extra1 	= SYSCTL_ZERO,
++		.extra2 	= SYSCTL_ONE,
++	},
+ 	[NF_SYSCTL_CT_PROTO_TCP_IGNORE_INVALID_RST] = {
+ 		.procname	= "nf_conntrack_tcp_ignore_invalid_rst",
+ 		.maxlen		= sizeof(u8),
+@@ -1054,6 +1063,7 @@ static void nf_conntrack_standalone_init
+
+ 	XASSIGN(LOOSE, &tn->tcp_loose);
+ 	XASSIGN(LIBERAL, &tn->tcp_be_liberal);
++	XASSIGN(NO_WINDOW_CHECK, &tn->tcp_no_window_check);
+ 	XASSIGN(MAX_RETRANS, &tn->tcp_max_retrans);
+ 	XASSIGN(IGNORE_INVALID_RST, &tn->tcp_ignore_invalid_rst);
+ #undef XASSIGN
+--- a/include/net/netns/conntrack.h
++++ b/include/net/netns/conntrack.h
+@@ -26,6 +26,7 @@ struct nf_tcp_net {
+ 	unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
+ 	u8 tcp_loose;
+ 	u8 tcp_be_liberal;
++	u8 tcp_no_window_check;
+ 	u8 tcp_max_retrans;
+ 	u8 tcp_ignore_invalid_rst;
+ #if IS_ENABLED(CONFIG_NF_FLOW_TABLE)