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wifi: iwlwifi: mvm: use only beacon BSS load for active links

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For active links, don't take information that may have been
received in probe responses, as those are not protected. For
inactive links, there may not be a choice.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240527190228.6947dc462fa9.I2076961211d6785c8a15b4308e0e87a413148222@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-05-27 19:06:08 +03:00
parent f1c9ba4403
commit d9b7531fe9
2 changed files with 13 additions and 2 deletions
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14
drivers/net/wireless/intel/iwlwifi/mvm/link.c
View File

@ -492,17 +492,27 @@ iwl_mvm_get_puncturing_factor(const struct ieee80211_bss_conf *link_conf)
static unsigned int
iwl_mvm_get_chan_load(struct ieee80211_bss_conf *link_conf)
{
struct ieee80211_vif *vif = link_conf->vif;
struct iwl_mvm_vif_link_info *mvm_link =
iwl_mvm_vif_from_mac80211(link_conf->vif)->link[link_conf->link_id];
const struct element *bss_load_elem;
const struct ieee80211_bss_load_elem *bss_load;
enum nl80211_band band = link_conf->chanreq.oper.chan->band;
const struct cfg80211_bss_ies *ies;
unsigned int chan_load;
u32 chan_load_by_us;
rcu_read_lock();
bss_load_elem = ieee80211_bss_get_elem(link_conf->bss,
WLAN_EID_QBSS_LOAD);
if (ieee80211_vif_link_active(vif, link_conf->link_id))
ies = rcu_dereference(link_conf->bss->beacon_ies);
else
ies = rcu_dereference(link_conf->bss->ies);
if (ies)
bss_load_elem = cfg80211_find_elem(WLAN_EID_QBSS_LOAD,
ies->data, ies->len);
else
bss_load_elem = NULL;
/* If there isn't BSS Load element, take the defaults */
if (!bss_load_elem ||

1
drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c
View File

@ -208,6 +208,7 @@ static void setup_link_conf(struct kunit *test)
bss_load->channel_util = params->channel_util;
rcu_assign_pointer(bss.ies, ies);
rcu_assign_pointer(bss.beacon_ies, ies);
}
static void test_link_grading(struct kunit *test)