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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
commitcf9610f9116d55c5a66ef9f1faecacabd93a9322 (patch)
tree757a3d280760c654767631cab5ad8af2d86d1848 /net/mac80211/tests/elems.c
downloadlinux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.tar.gz
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Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlgrafted
Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ...
Diffstat (limited to 'net/mac80211/tests/elems.c')
-rw-r--r--net/mac80211/tests/elems.c386
1 files changed, 386 insertions, 0 deletions
diff --git a/net/mac80211/tests/elems.c b/net/mac80211/tests/elems.c
new file mode 100644
index 000000000..4b13a5aad
--- /dev/null
+++ b/net/mac80211/tests/elems.c
@@ -0,0 +1,386 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * KUnit tests for element parsing
+ *
+ * Copyright (C) 2023-2025 Intel Corporation
+ */
+#include <kunit/test.h>
+#include "../ieee80211_i.h"
+
+MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");
+
+static const struct mesh_preq_parse_test_case {
+ const char *desc;
+ u8 len;
+ bool ae_enabled;
+ u8 target_count;
+ bool result;
+} mesh_preq_parse_cases[] = {
+ {
+ .desc = "shorter than header",
+ .len = 16,
+ .ae_enabled = false,
+ .target_count = 1,
+ .result = false,
+ },
+ {
+ .desc = "too short non AE, target count is not included",
+ .len = 29,
+ .ae_enabled = false,
+ .target_count = 1,
+ .result = false,
+ },
+ {
+ .desc = "too short non AE, target count is 1",
+ .len = 36,
+ .ae_enabled = false,
+ .target_count = 1,
+ .result = false,
+ },
+ {
+ .desc = "too short AE, target count is not included",
+ .len = 35,
+ .ae_enabled = true,
+ .target_count = 1,
+ .result = false,
+ },
+ {
+ .desc = "too short AE, target count is 1",
+ .len = 42,
+ .ae_enabled = true,
+ .target_count = 1,
+ .result = false,
+ },
+ {
+ .desc = "target count is zero",
+ .len = 26,
+ .ae_enabled = false,
+ .target_count = 0,
+ .result = false,
+ },
+ {
+ .desc = "target count is 21",
+ .len = 255,
+ .ae_enabled = false,
+ .target_count = 21,
+ .result = false,
+ },
+ {
+ .desc = "non AE, target count is 1",
+ .len = 37,
+ .ae_enabled = false,
+ .target_count = 1,
+ .result = true,
+ },
+ {
+ .desc = "non AE, target count is 20",
+ .len = 246,
+ .ae_enabled = false,
+ .target_count = 20,
+ .result = true,
+ },
+ {
+ .desc = "AE, target count is 1",
+ .len = 43,
+ .ae_enabled = true,
+ .target_count = 1,
+ .result = true,
+ },
+ {
+ .desc = "AE, target count is 20",
+ .len = 252,
+ .ae_enabled = true,
+ .target_count = 20,
+ .result = true,
+ },
+};
+
+KUNIT_ARRAY_PARAM_DESC(mesh_preq_parse, mesh_preq_parse_cases, desc);
+
+static const struct mesh_prep_parse_test_case {
+ const char *desc;
+ u8 len;
+ bool ae_enabled;
+ bool result;
+} mesh_prep_parse_cases[] = {
+ {
+ .desc = "shorter than header",
+ .len = 12,
+ .ae_enabled = false,
+ .result = false,
+ },
+ {
+ .desc = "non AE short",
+ .len = 30,
+ .ae_enabled = false,
+ .result = false,
+ },
+ {
+ .desc = "non AE",
+ .len = 31,
+ .ae_enabled = false,
+ .result = true,
+ },
+ {
+ .desc = "AE short",
+ .len = 36,
+ .ae_enabled = true,
+ .result = false,
+ },
+ {
+ .desc = "AE",
+ .len = 37,
+ .ae_enabled = true,
+ .result = true,
+ },
+};
+
+KUNIT_ARRAY_PARAM_DESC(mesh_prep_parse, mesh_prep_parse_cases, desc);
+
+static const struct mesh_perr_parse_test_case {
+ const char *desc;
+ u8 len;
+ u8 number_of_dst;
+ int ae_enabled_idx;
+ bool result;
+} mesh_perr_parse_cases[] = {
+ {
+ .desc = "shorter than header",
+ .len = 1,
+ .number_of_dst = 1,
+ .ae_enabled_idx = -1,
+ .result = false,
+ },
+ {
+ .desc = "number_of_dst is 0",
+ .len = 2,
+ .number_of_dst = 0,
+ .ae_enabled_idx = -1,
+ .result = true,
+ },
+ {
+ .desc = "number_of_dst is 20",
+ .len = 255,
+ .number_of_dst = 20,
+ .ae_enabled_idx = -1,
+ .result = false,
+ },
+ {
+ .desc = "number_of_dst is 1, non AE, short",
+ .len = 14,
+ .number_of_dst = 1,
+ .ae_enabled_idx = -1,
+ .result = false,
+ },
+ {
+ .desc = "number_of_dst is 1, non AE",
+ .len = 15,
+ .number_of_dst = 1,
+ .ae_enabled_idx = -1,
+ .result = true,
+ },
+ {
+ .desc = "number_of_dst is 1, non AE, extra short dst header",
+ .len = 25,
+ .number_of_dst = 1,
+ .ae_enabled_idx = -1,
+ .result = false,
+ },
+ {
+ .desc = "number_of_dst is 1, non AE, extra dst header",
+ .len = 26,
+ .number_of_dst = 1,
+ .ae_enabled_idx = -1,
+ .result = false,
+ },
+ {
+ .desc = "number_of_dst is 1, AE, short",
+ .len = 20,
+ .number_of_dst = 1,
+ .ae_enabled_idx = 0,
+ .result = false,
+ },
+ {
+ .desc = "number_of_dst is 1, AE",
+ .len = 21,
+ .number_of_dst = 1,
+ .ae_enabled_idx = 0,
+ .result = true,
+ },
+ {
+ .desc = "number_of_dst is 19, non AE, short",
+ .len = 2 + 13 * 19 - 1,
+ .number_of_dst = 19,
+ .ae_enabled_idx = -1,
+ .result = false,
+ },
+ {
+ .desc = "number_of_dst is 19, non AE",
+ .len = 2 + 13 * 19,
+ .number_of_dst = 19,
+ .ae_enabled_idx = -1,
+ .result = true,
+ },
+ {
+ .desc = "number_of_dst is 19, AE, short",
+ .len = 2 + 13 * 19 + 6 - 1,
+ .number_of_dst = 19,
+ .ae_enabled_idx = 18,
+ .result = false,
+ },
+ {
+ .desc = "number_of_dst is 19, AE",
+ .len = 2 + 13 * 19 + 6,
+ .number_of_dst = 19,
+ .ae_enabled_idx = 18,
+ .result = true,
+ },
+};
+
+KUNIT_ARRAY_PARAM_DESC(mesh_perr_parse, mesh_perr_parse_cases, desc);
+
+
+static void mle_defrag(struct kunit *test)
+{
+ struct ieee80211_elems_parse_params parse_params = {
+ .link_id = 12,
+ .from_ap = true,
+ .mode = IEEE80211_CONN_MODE_EHT,
+ /* type is not really relevant here */
+ .type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON,
+ };
+ struct ieee802_11_elems *parsed;
+ struct sk_buff *skb;
+ u8 *len_mle, *len_prof;
+ int i;
+
+ skb = alloc_skb(1024, GFP_KERNEL);
+ KUNIT_ASSERT_NOT_NULL(test, skb);
+
+ if (skb_pad(skb, skb_tailroom(skb))) {
+ KUNIT_FAIL(test, "failed to pad skb");
+ return;
+ }
+
+ /* build a multi-link element */
+ skb_put_u8(skb, WLAN_EID_EXTENSION);
+ len_mle = skb_put(skb, 1);
+ skb_put_u8(skb, WLAN_EID_EXT_EHT_MULTI_LINK);
+
+ put_unaligned_le16(IEEE80211_ML_CONTROL_TYPE_BASIC,
+ skb_put(skb, 2));
+ /* struct ieee80211_mle_basic_common_info */
+ skb_put_u8(skb, 7); /* includes len field */
+ skb_put_data(skb, "\x00\x00\x00\x00\x00\x00", ETH_ALEN); /* MLD addr */
+
+ /* with a STA profile inside */
+ skb_put_u8(skb, IEEE80211_MLE_SUBELEM_PER_STA_PROFILE);
+ len_prof = skb_put(skb, 1);
+ put_unaligned_le16(IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE |
+ parse_params.link_id,
+ skb_put(skb, 2));
+ skb_put_u8(skb, 1); /* fake sta_info_len - includes itself */
+ /* put a bunch of useless elements into it */
+ for (i = 0; i < 20; i++) {
+ skb_put_u8(skb, WLAN_EID_SSID);
+ skb_put_u8(skb, 20);
+ skb_put(skb, 20);
+ }
+
+ /* fragment STA profile */
+ ieee80211_fragment_element(skb, len_prof,
+ IEEE80211_MLE_SUBELEM_FRAGMENT);
+ /* fragment MLE */
+ ieee80211_fragment_element(skb, len_mle, WLAN_EID_FRAGMENT);
+
+ parse_params.start = skb->data;
+ parse_params.len = skb->len;
+ parsed = ieee802_11_parse_elems_full(&parse_params);
+ /* should return ERR_PTR or valid, not NULL */
+ KUNIT_EXPECT_NOT_NULL(test, parsed);
+
+ if (IS_ERR_OR_NULL(parsed))
+ goto free_skb;
+
+ KUNIT_EXPECT_NOT_NULL(test, parsed->ml_basic);
+ KUNIT_EXPECT_EQ(test,
+ parsed->ml_basic_len,
+ 2 /* control */ +
+ 7 /* common info */ +
+ 2 /* sta profile element header */ +
+ 3 /* sta profile header */ +
+ 20 * 22 /* sta profile data */ +
+ 2 /* sta profile fragment element */);
+ KUNIT_EXPECT_NOT_NULL(test, parsed->prof);
+ KUNIT_EXPECT_EQ(test,
+ parsed->sta_prof_len,
+ 3 /* sta profile header */ +
+ 20 * 22 /* sta profile data */);
+
+ kfree(parsed);
+free_skb:
+ kfree_skb(skb);
+}
+
+static void mesh_preq_parse(struct kunit *test)
+{
+ const struct mesh_preq_parse_test_case *params = test->param_value;
+ u8 data[64] = {};
+ struct ieee80211_mesh_hwmp_preq_top *top = (void *)data;
+ struct ieee80211_mesh_hwmp_preq_bottom *bottom;
+
+ top->flags = params->ae_enabled ? AE_F : 0;
+ bottom = ieee80211_mesh_hwmp_preq_get_bottom(data);
+ bottom->target_count = params->target_count;
+
+ KUNIT_EXPECT_EQ(test,
+ ieee80211_mesh_preq_size_ok(data, params->len),
+ params->result);
+}
+
+static void mesh_prep_parse(struct kunit *test)
+{
+ const struct mesh_prep_parse_test_case *params = test->param_value;
+ u8 data[64] = {};
+ struct ieee80211_mesh_hwmp_prep_top *top = (void *)data;
+ top->flags = params->ae_enabled ? AE_F : 0;
+
+ KUNIT_EXPECT_EQ(test,
+ ieee80211_mesh_prep_size_ok(data, params->len),
+ params->result);
+}
+
+static void mesh_perr_parse(struct kunit *test)
+{
+ const struct mesh_perr_parse_test_case *params = test->param_value;
+ u8 data[256] = {};
+ struct ieee80211_mesh_hwmp_perr *perr = (void *)data;
+
+ perr->number_of_dst = params->number_of_dst;
+ if (params->ae_enabled_idx > -1) {
+ struct ieee80211_mesh_hwmp_perr_dst *dst =
+ ieee80211_mesh_hwmp_perr_get_dst(
+ data, params->ae_enabled_idx);
+
+ dst->flags = AE_F;
+ }
+
+ KUNIT_EXPECT_EQ(test,
+ ieee80211_mesh_perr_size_ok(data, params->len),
+ params->result);
+}
+
+static struct kunit_case element_parsing_test_cases[] = {
+ KUNIT_CASE(mle_defrag),
+ KUNIT_CASE_PARAM(mesh_preq_parse, mesh_preq_parse_gen_params),
+ KUNIT_CASE_PARAM(mesh_prep_parse, mesh_prep_parse_gen_params),
+ KUNIT_CASE_PARAM(mesh_perr_parse, mesh_perr_parse_gen_params),
+ {}
+};
+
+static struct kunit_suite element_parsing = {
+ .name = "mac80211-element-parsing",
+ .test_cases = element_parsing_test_cases,
+};
+
+kunit_test_suite(element_parsing);