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([2a02:6ea0:d33b:6275::18]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36bc10c8746sm2512632a91.0.2026.05.29.16.10.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2026 16:10:05 -0700 (PDT) From: Masashi Honma To: linux-wireless@vger.kernel.org Cc: johannes@sipsolutions.net, Masashi Honma Subject: [PATCH v9 7/9] Add KUnit test for ieee80211_mesh_preq_size_ok Date: Sat, 30 May 2026 08:09:49 +0900 Message-ID: <20260529230952.124754-7-masashi.honma@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260529230952.124754-1-masashi.honma@gmail.com> References: <20260529230952.124754-1-masashi.honma@gmail.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Signed-off-by: Masashi Honma --- net/mac80211/tests/elems.c | 105 +++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) diff --git a/net/mac80211/tests/elems.c b/net/mac80211/tests/elems.c index 1039794a0183..576ba746a526 100644 --- a/net/mac80211/tests/elems.c +++ b/net/mac80211/tests/elems.c @@ -9,6 +9,94 @@ 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 void mle_defrag(struct kunit *test) { struct ieee80211_elems_parse_params parse_params = { @@ -91,8 +179,25 @@ static void mle_defrag(struct kunit *test) 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 struct kunit_case element_parsing_test_cases[] = { KUNIT_CASE(mle_defrag), + KUNIT_CASE_PARAM(mesh_preq_parse, mesh_preq_parse_gen_params), {} }; -- 2.43.0