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From:   gregory.greenman@intel.com
To:     johannes@sipsolutions.net
Cc:     linux-wireless@vger.kernel.org,
        Johannes Berg <johannes.berg@intel.com>,
        Gregory Greenman <gregory.greenman@intel.com>
Subject: [PATCH wireless 04/12] wifi: iwlwifi: mvm: fix number of concurrent link checks
Date:   Sun, 14 May 2023 12:15:47 +0300
Message-Id: <20230514120631.992b2f981ef6.I7d386c19354e9be39c4822f436dd22c93422b660@changeid>
In-Reply-To: <20230514091555.168392-1-gregory.greenman@intel.com>
References: <20230514091555.168392-1-gregory.greenman@intel.com>
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From: Johannes Berg <johannes.berg@intel.com>

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

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 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 eb828de40a3c..3814915cb1a6 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
@@ -123,11 +123,13 @@ 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 fbc2d5ed1006..7fb66c570959 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