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wifi: cfg80211: tests: verify BSS use flags of NSTR links

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Extend the test to pass an RNR appropriate for an NSTR and verify that
use_for as well as cannot_use_reasons are set correctly.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://msgid.link/20240129220918.b00aee4c4c9f.I942fddf51cabaab761de3865b4e06cce831a46ef@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Benjamin Berg 2024-01-29 22:09:20 +01:00 committed by Johannes Berg
parent 45d43937a4
commit cfbb2add48
1 changed files with 56 additions and 12 deletions
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68
net/wireless/tests/scan.c
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@ -407,6 +407,7 @@ static struct inform_bss_ml_sta_case {
int mld_id;
bool sta_prof_vendor_elems;
bool include_oper_class;
bool nstr;
} inform_bss_ml_sta_cases[] = {
{
.desc = "zero_mld_id",
@ -426,6 +427,10 @@ static struct inform_bss_ml_sta_case {
.mld_id = 1,
.sta_prof_vendor_elems = true,
.include_oper_class = true,
}, {
.desc = "nstr",
.mld_id = 0,
.nstr = true,
},
};
KUNIT_ARRAY_PARAM_DESC(inform_bss_ml_sta, inform_bss_ml_sta_cases, desc)
@ -458,7 +463,7 @@ static void test_inform_bss_ml_sta(struct kunit *test)
struct {
struct ieee80211_neighbor_ap_info info;
struct ieee80211_tbtt_info_ge_11 ap;
} __packed rnr = {
} __packed rnr_normal = {
.info = {
.tbtt_info_hdr = u8_encode_bits(0, IEEE80211_AP_INFO_TBTT_HDR_COUNT),
.tbtt_info_len = sizeof(struct ieee80211_tbtt_info_ge_11),
@ -477,6 +482,28 @@ static void test_inform_bss_ml_sta(struct kunit *test)
IEEE80211_RNR_MLD_PARAMS_LINK_ID),
}
};
struct {
struct ieee80211_neighbor_ap_info info;
struct ieee80211_rnr_mld_params mld_params;
} __packed rnr_nstr = {
.info = {
.tbtt_info_hdr =
u8_encode_bits(0, IEEE80211_AP_INFO_TBTT_HDR_COUNT) |
u8_encode_bits(IEEE80211_TBTT_INFO_TYPE_MLD,
IEEE80211_AP_INFO_TBTT_HDR_TYPE),
.tbtt_info_len = sizeof(struct ieee80211_rnr_mld_params),
.op_class = 81,
.channel = 11,
},
.mld_params = {
.mld_id = params->mld_id,
.params =
le16_encode_bits(link_id,
IEEE80211_RNR_MLD_PARAMS_LINK_ID),
}
};
size_t rnr_len = params->nstr ? sizeof(rnr_nstr) : sizeof(rnr_normal);
void *rnr = params->nstr ? (void *)&rnr_nstr : (void *)&rnr_normal;
struct {
__le16 control;
u8 var_len;
@ -516,7 +543,7 @@ static void test_inform_bss_ml_sta(struct kunit *test)
u16_encode_bits(link_id,
IEEE80211_MLE_STA_CONTROL_LINK_ID)),
.var_len = sizeof(sta_prof) - 2 - 2,
.bssid = { *rnr.ap.bssid },
.bssid = { *rnr_normal.ap.bssid },
.beacon_int = cpu_to_le16(101),
.tsf_offset = cpu_to_le64(-123ll),
.capabilities = cpu_to_le16(0xdead),
@ -540,8 +567,8 @@ static void test_inform_bss_ml_sta(struct kunit *test)
}
skb_put_u8(input, WLAN_EID_REDUCED_NEIGHBOR_REPORT);
skb_put_u8(input, sizeof(rnr));
skb_put_data(input, &rnr, sizeof(rnr));
skb_put_u8(input, rnr_len);
skb_put_data(input, rnr, rnr_len);
/* build a multi-link element */
skb_put_u8(input, WLAN_EID_EXTENSION);
@ -587,9 +614,10 @@ static void test_inform_bss_ml_sta(struct kunit *test)
KUNIT_EXPECT_EQ(test, ctx.inform_bss_count, 2);
/* Check link_bss *****************************************************/
link_bss = cfg80211_get_bss(wiphy, NULL, sta_prof.bssid, NULL, 0,
IEEE80211_BSS_TYPE_ANY,
IEEE80211_PRIVACY_ANY);
link_bss = __cfg80211_get_bss(wiphy, NULL, sta_prof.bssid, NULL, 0,
IEEE80211_BSS_TYPE_ANY,
IEEE80211_PRIVACY_ANY,
0);
KUNIT_ASSERT_NOT_NULL(test, link_bss);
KUNIT_EXPECT_EQ(test, link_bss->signal, 0);
KUNIT_EXPECT_EQ(test, link_bss->beacon_interval,
@ -600,6 +628,22 @@ static void test_inform_bss_ml_sta(struct kunit *test)
KUNIT_EXPECT_PTR_EQ(test, link_bss->channel,
ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(2462)));
/* Test wiphy does not set WIPHY_FLAG_SUPPORTS_NSTR_NONPRIMARY */
if (params->nstr) {
KUNIT_EXPECT_EQ(test, link_bss->use_for, 0);
KUNIT_EXPECT_EQ(test, link_bss->cannot_use_reasons,
NL80211_BSS_CANNOT_USE_NSTR_NONPRIMARY);
KUNIT_EXPECT_NULL(test,
cfg80211_get_bss(wiphy, NULL, sta_prof.bssid,
NULL, 0,
IEEE80211_BSS_TYPE_ANY,
IEEE80211_PRIVACY_ANY));
} else {
KUNIT_EXPECT_EQ(test, link_bss->use_for,
NL80211_BSS_USE_FOR_ALL);
KUNIT_EXPECT_EQ(test, link_bss->cannot_use_reasons, 0);
}
rcu_read_lock();
ies = rcu_dereference(link_bss->ies);
KUNIT_EXPECT_NOT_NULL(test, ies);
@ -607,20 +651,20 @@ static void test_inform_bss_ml_sta(struct kunit *test)
/* Resulting length should be:
* SSID (inherited) + RNR (inherited) + vendor element(s) +
* operating class (if requested) +
* generated RNR (if MLD ID == 0) +
* generated RNR (if MLD ID == 0 and not NSTR) +
* MLE common info + MLE header and control
*/
if (params->sta_prof_vendor_elems)
KUNIT_EXPECT_EQ(test, ies->len,
6 + 2 + sizeof(rnr) + 2 + 160 + 2 + 165 +
6 + 2 + rnr_len + 2 + 160 + 2 + 165 +
(params->include_oper_class ? 3 : 0) +
(!params->mld_id ? 22 : 0) +
(!params->mld_id && !params->nstr ? 22 : 0) +
mle_basic_common_info.var_len + 5);
else
KUNIT_EXPECT_EQ(test, ies->len,
6 + 2 + sizeof(rnr) + 2 + 155 +
6 + 2 + rnr_len + 2 + 155 +
(params->include_oper_class ? 3 : 0) +
(!params->mld_id ? 22 : 0) +
(!params->mld_id && !params->nstr ? 22 : 0) +
mle_basic_common_info.var_len + 5);
rcu_read_unlock();