Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted

Pull media updates from Mauro Carvalho Chehab:

 - v4l2-core: added ISP statistics support and per-block validation

 - v4l2-core: Allow unknown HDR10 white point and luminance

 - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor

 - New codec: Milos: VPU v2.0 codec support

 - isp driver: gained support for Dreamchip RPPX1 ISP framework

 - vsp1 driver: gained support for RZ/T2H and RZ/N2H

 - Novalake driver: gained CVS support for new NVL hardware

 - dvb-core: fix feed leak on failed DMX_ADD_PID

 - several driver fixes, cleanups and minor improvements

* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
  media: ipu-bridge: check all DMI entries when overriding sensor rotation
  media: v4l2-async: avoid deleting unlinked ASC entry on link error
  media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
  media: intel/ipu6: fix async notifier cleanup leak on parse error
  media: staging/ipu7: fix async notifier UAF on probe error path
  media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
  media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
  media: rcar-isp: Fix VSPX reference leaks
  media: rcar-isp: Release ISPCORE resources
  media: i2c: imx415: Release runtime PM reference on VBLANK error
  media: i2c: imx415: Return test pattern write errors
  media: renesas: vsp1: Declare index variables in for loop statement
  media: renesas: vsp1: Make reset control optional to support platforms without a reset line
  media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
  media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
  media: nxp: imx8-isi: Add additional 32-bit RGB format support
  media: nxp: imx8-isi: Add 16-bit raw Bayer format support
  media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
  media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
  media: nxp: imx8-isi: Correct color map between V4L2 and ISI
  ...

1 files changed, 177 insertions, 0 deletions

diff --git a/net/wireless/tests/fragmentation.c b/net/wireless/tests/fragmentation.c
new file mode 100644
index 000000000..411fae18c
--- /dev/null
+++ b/net/wireless/tests/fragmentation.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * KUnit tests for element fragmentation
+ *
+ * Copyright (C) 2023-2024 Intel Corporation
+ */
+#include <linux/ieee80211.h>
+#include <net/cfg80211.h>
+#include <kunit/test.h>
+
+static void defragment_0(struct kunit *test)
+{
+	ssize_t ret;
+	static const u8 input[] = {
+		[0] = WLAN_EID_EXTENSION,
+		[1] = 254,
+		[2] = WLAN_EID_EXT_EHT_MULTI_LINK,
+		[27] = 27,
+		[123] = 123,
+		[254 + 2] = WLAN_EID_FRAGMENT,
+		[254 + 3] = 7,
+		[254 + 3 + 7] = 0, /* for size */
+	};
+	u8 *data = kunit_kzalloc(test, sizeof(input), GFP_KERNEL);
+
+	KUNIT_ASSERT_NOT_NULL(test, data);
+
+	ret = cfg80211_defragment_element((void *)input,
+					  input, sizeof(input),
+					  NULL, 0,
+					  WLAN_EID_FRAGMENT);
+	KUNIT_EXPECT_EQ(test, ret, 253);
+	ret = cfg80211_defragment_element((void *)input,
+					  input, sizeof(input),
+					  data, ret,
+					  WLAN_EID_FRAGMENT);
+	KUNIT_EXPECT_EQ(test, ret, 253);
+	KUNIT_EXPECT_MEMEQ(test, data, input + 3, 253);
+}
+
+static void defragment_1(struct kunit *test)
+{
+	ssize_t ret;
+	static const u8 input[] = {
+		[0] = WLAN_EID_EXTENSION,
+		[1] = 255,
+		[2] = WLAN_EID_EXT_EHT_MULTI_LINK,
+		[27] = 27,
+		[123] = 123,
+		[255 + 2] = WLAN_EID_FRAGMENT,
+		[255 + 3] = 7,
+		[255 + 3 + 1] = 0xaa,
+		[255 + 3 + 8] = WLAN_EID_FRAGMENT, /* not used */
+		[255 + 3 + 9] = 1,
+		[255 + 3 + 10] = 0, /* for size */
+	};
+	u8 *data = kunit_kzalloc(test, sizeof(input), GFP_KERNEL);
+	const struct element *elem;
+	int count = 0;
+
+	KUNIT_ASSERT_NOT_NULL(test, data);
+
+	for_each_element(elem, input, sizeof(input))
+		count++;
+
+	/* check the elements are right */
+	KUNIT_ASSERT_EQ(test, count, 3);
+
+	ret = cfg80211_defragment_element((void *)input,
+					  input, sizeof(input),
+					  NULL, 0,
+					  WLAN_EID_FRAGMENT);
+	KUNIT_EXPECT_EQ(test, ret, 254 + 7);
+	ret = cfg80211_defragment_element((void *)input,
+					  input, sizeof(input),
+					  data, ret,
+					  WLAN_EID_FRAGMENT);
+	/* this means the last fragment was not used */
+	KUNIT_EXPECT_EQ(test, ret, 254 + 7);
+	KUNIT_EXPECT_MEMEQ(test, data, input + 3, 254);
+	KUNIT_EXPECT_MEMEQ(test, data + 254, input + 255 + 4, 7);
+}
+
+static void defragment_2(struct kunit *test)
+{
+	ssize_t ret;
+	static const u8 input[] = {
+		[0] = WLAN_EID_EXTENSION,
+		[1] = 255,
+		[2] = WLAN_EID_EXT_EHT_MULTI_LINK,
+		[27] = 27,
+		[123] = 123,
+
+		[257 + 0] = WLAN_EID_FRAGMENT,
+		[257 + 1] = 255,
+		[257 + 20] = 0xaa,
+
+		[2 * 257 + 0] = WLAN_EID_FRAGMENT,
+		[2 * 257 + 1] = 1,
+		[2 * 257 + 2] = 0xcc,
+		[2 * 257 + 3] = WLAN_EID_FRAGMENT, /* not used */
+		[2 * 257 + 4] = 1,
+		[2 * 257 + 5] = 0, /* for size */
+	};
+	u8 *data = kunit_kzalloc(test, sizeof(input), GFP_KERNEL);
+	const struct element *elem;
+	int count = 0;
+
+	KUNIT_ASSERT_NOT_NULL(test, data);
+
+	for_each_element(elem, input, sizeof(input))
+		count++;
+
+	/* check the elements are right */
+	KUNIT_ASSERT_EQ(test, count, 4);
+
+	ret = cfg80211_defragment_element((void *)input,
+					  input, sizeof(input),
+					  NULL, 0,
+					  WLAN_EID_FRAGMENT);
+	/* this means the last fragment was not used */
+	KUNIT_EXPECT_EQ(test, ret, 254 + 255 + 1);
+	ret = cfg80211_defragment_element((void *)input,
+					  input, sizeof(input),
+					  data, ret,
+					  WLAN_EID_FRAGMENT);
+	KUNIT_EXPECT_EQ(test, ret, 254 + 255 + 1);
+	KUNIT_EXPECT_MEMEQ(test, data, input + 3, 254);
+	KUNIT_EXPECT_MEMEQ(test, data + 254, input + 257 + 2, 255);
+	KUNIT_EXPECT_MEMEQ(test, data + 254 + 255, input + 2 * 257 + 2, 1);
+}
+
+static void defragment_at_end(struct kunit *test)
+{
+	ssize_t ret;
+	static const u8 input[] = {
+		[0] = WLAN_EID_EXTENSION,
+		[1] = 255,
+		[2] = WLAN_EID_EXT_EHT_MULTI_LINK,
+		[27] = 27,
+		[123] = 123,
+		[255 + 2] = WLAN_EID_FRAGMENT,
+		[255 + 3] = 7,
+		[255 + 3 + 7] = 0, /* for size */
+	};
+	u8 *data = kunit_kzalloc(test, sizeof(input), GFP_KERNEL);
+
+	KUNIT_ASSERT_NOT_NULL(test, data);
+
+	ret = cfg80211_defragment_element((void *)input,
+					  input, sizeof(input),
+					  NULL, 0,
+					  WLAN_EID_FRAGMENT);
+	KUNIT_EXPECT_EQ(test, ret, 254 + 7);
+	ret = cfg80211_defragment_element((void *)input,
+					  input, sizeof(input),
+					  data, ret,
+					  WLAN_EID_FRAGMENT);
+	KUNIT_EXPECT_EQ(test, ret, 254 + 7);
+	KUNIT_EXPECT_MEMEQ(test, data, input + 3, 254);
+	KUNIT_EXPECT_MEMEQ(test, data + 254, input + 255 + 4, 7);
+}
+
+static struct kunit_case element_fragmentation_test_cases[] = {
+	KUNIT_CASE(defragment_0),
+	KUNIT_CASE(defragment_1),
+	KUNIT_CASE(defragment_2),
+	KUNIT_CASE(defragment_at_end),
+	{}
+};
+
+static struct kunit_suite element_fragmentation = {
+	.name = "cfg80211-element-defragmentation",
+	.test_cases = element_fragmentation_test_cases,
+};
+
+kunit_test_suite(element_fragmentation);