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authorJohannes Berg <johannes.berg@intel.com>2024-05-27 19:06:08 +0300
committerJohannes Berg <johannes.berg@intel.com>2024-05-29 10:33:50 +0200
commitd9b7531fe98a0c2a0387270557cf0a514c28dd28 (patch)
tree7a36b16229451c6cdfe98cf2cdfe3277a874ceba
parentf1c9ba4403dd5b0abe7a9c4bbb55e09f1ee98bd0 (diff)
wifi: iwlwifi: mvm: use only beacon BSS load for active links
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>
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/link.c14
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c1
2 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
index 0745229c8c37..02a475a1f1b8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
@@ -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 ||
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c b/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c
index 6a680b5d03e0..47b8e7b64ead 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tests/links.c
@@ -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)