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([2a02:6ea0:d33b:6275::18]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36bc10c8746sm2512632a91.0.2026.05.29.16.10.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2026 16:10:08 -0700 (PDT) From: Masashi Honma To: linux-wireless@vger.kernel.org Cc: johannes@sipsolutions.net, Masashi Honma Subject: [PATCH v9 9/9] Add KUnit test for ieee80211_mesh_perr_size_ok Date: Sat, 30 May 2026 08:09:51 +0900 Message-ID: <20260529230952.124754-9-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 | 124 +++++++++++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) diff --git a/net/mac80211/tests/elems.c b/net/mac80211/tests/elems.c index b96424d5d025..4b13a5aad875 100644 --- a/net/mac80211/tests/elems.c +++ b/net/mac80211/tests/elems.c @@ -137,6 +137,109 @@ static const struct mesh_prep_parse_test_case { 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 = { @@ -247,10 +350,31 @@ static void mesh_prep_parse(struct kunit *test) 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), {} }; -- 2.43.0