2023-05-08 08:29:04

by Greenman, Gregory

[permalink] [raw]
Subject: [PATCH 13/14] wifi: iwlwifi: mvm: fix number of concurrent link checks

From: Johannes Berg <[email protected]>

The concurrent link checks need to correctly differentiate
between AP and non-AP, fix that.

Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
---
drivers/net/wireless/intel/iwlwifi/mvm/link.c | 12 +++++++-----
.../net/wireless/intel/iwlwifi/mvm/mld-mac80211.c | 9 +++++----
2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
index a1d31c6eab2c..dc31f8de7d1d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
@@ -127,11 +127,13 @@ int iwl_mvm_link_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
if (mvmvif->link[i]->phy_ctxt)
count++;

- /* FIXME: IWL_MVM_FW_MAX_ACTIVE_LINKS_NUM should be
- * defined per HW
- */
- if (count >= IWL_MVM_FW_MAX_ACTIVE_LINKS_NUM)
- return -EINVAL;
+ if (vif->type == NL80211_IFTYPE_AP) {
+ if (count > mvm->fw->ucode_capa.num_beacons)
+ return -EOPNOTSUPP;
+ /* this should be per HW or such */
+ } else if (count >= IWL_MVM_FW_MAX_ACTIVE_LINKS_NUM) {
+ return -EOPNOTSUPP;
+ }
}

/* Catch early if driver tries to activate or deactivate a link
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
index 9dfb07db396e..fb06cf94fcc3 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
@@ -906,11 +906,12 @@ iwl_mvm_mld_change_vif_links(struct ieee80211_hw *hw,
n_active++;
}

- if (vif->type == NL80211_IFTYPE_AP &&
- n_active > mvm->fw->ucode_capa.num_beacons)
- return -EOPNOTSUPP;
- else if (n_active > 1)
+ if (vif->type == NL80211_IFTYPE_AP) {
+ if (n_active > mvm->fw->ucode_capa.num_beacons)
+ return -EOPNOTSUPP;
+ } else if (n_active > 1) {
return -EOPNOTSUPP;
+ }
}

for (i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) {
--
2.38.1