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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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68eb1b791a
This will be needed for UHR operation parsing, and we already pass whether or not the frame is an action frame, replace that by the full type. Note this fixes a few cases where 'false' was erroneously passed (mesh and TDLS) and removes ieee802_11_parse_elems_crc() as it's unused. Link: https://patch.msgid.link/20251105160810.a476d20a6e01.Ie659535f9357f2f9a3c73f8c059ccfc96bf93b54@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* KUnit tests for element parsing
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*
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* Copyright (C) 2023-2025 Intel Corporation
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*/
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#include <kunit/test.h>
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#include "../ieee80211_i.h"
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MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");
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static void mle_defrag(struct kunit *test)
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{
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struct ieee80211_elems_parse_params parse_params = {
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.link_id = 12,
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.from_ap = true,
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.mode = IEEE80211_CONN_MODE_EHT,
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/* type is not really relevant here */
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.type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON,
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};
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struct ieee802_11_elems *parsed;
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struct sk_buff *skb;
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u8 *len_mle, *len_prof;
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int i;
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skb = alloc_skb(1024, GFP_KERNEL);
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KUNIT_ASSERT_NOT_NULL(test, skb);
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if (skb_pad(skb, skb_tailroom(skb))) {
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KUNIT_FAIL(test, "failed to pad skb");
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return;
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}
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/* build a multi-link element */
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skb_put_u8(skb, WLAN_EID_EXTENSION);
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len_mle = skb_put(skb, 1);
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skb_put_u8(skb, WLAN_EID_EXT_EHT_MULTI_LINK);
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put_unaligned_le16(IEEE80211_ML_CONTROL_TYPE_BASIC,
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skb_put(skb, 2));
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/* struct ieee80211_mle_basic_common_info */
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skb_put_u8(skb, 7); /* includes len field */
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skb_put_data(skb, "\x00\x00\x00\x00\x00\x00", ETH_ALEN); /* MLD addr */
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/* with a STA profile inside */
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skb_put_u8(skb, IEEE80211_MLE_SUBELEM_PER_STA_PROFILE);
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len_prof = skb_put(skb, 1);
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put_unaligned_le16(IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE |
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parse_params.link_id,
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skb_put(skb, 2));
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skb_put_u8(skb, 1); /* fake sta_info_len - includes itself */
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/* put a bunch of useless elements into it */
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for (i = 0; i < 20; i++) {
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skb_put_u8(skb, WLAN_EID_SSID);
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skb_put_u8(skb, 20);
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skb_put(skb, 20);
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}
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/* fragment STA profile */
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ieee80211_fragment_element(skb, len_prof,
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IEEE80211_MLE_SUBELEM_FRAGMENT);
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/* fragment MLE */
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ieee80211_fragment_element(skb, len_mle, WLAN_EID_FRAGMENT);
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parse_params.start = skb->data;
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parse_params.len = skb->len;
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parsed = ieee802_11_parse_elems_full(&parse_params);
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/* should return ERR_PTR or valid, not NULL */
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KUNIT_EXPECT_NOT_NULL(test, parsed);
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if (IS_ERR_OR_NULL(parsed))
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goto free_skb;
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KUNIT_EXPECT_NOT_NULL(test, parsed->ml_basic);
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KUNIT_EXPECT_EQ(test,
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parsed->ml_basic_len,
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2 /* control */ +
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7 /* common info */ +
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2 /* sta profile element header */ +
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3 /* sta profile header */ +
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20 * 22 /* sta profile data */ +
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2 /* sta profile fragment element */);
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KUNIT_EXPECT_NOT_NULL(test, parsed->prof);
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KUNIT_EXPECT_EQ(test,
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parsed->sta_prof_len,
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3 /* sta profile header */ +
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20 * 22 /* sta profile data */);
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kfree(parsed);
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free_skb:
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kfree_skb(skb);
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}
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static struct kunit_case element_parsing_test_cases[] = {
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KUNIT_CASE(mle_defrag),
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{}
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};
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static struct kunit_suite element_parsing = {
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.name = "mac80211-element-parsing",
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.test_cases = element_parsing_test_cases,
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};
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kunit_test_suite(element_parsing);
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