From patchwork Sat Apr 20 13:44:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Berg X-Patchwork-Id: 790949 Received: from sipsolutions.net (s3.sipsolutions.net [168.119.38.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F3CB217C72 for ; Sat, 20 Apr 2024 13:44:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=168.119.38.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713620690; cv=none; b=U2nwJckCOxo6He6940P+5jBswzm4BngSZSl6HeGeAyZacaRv6bTqpfi1yGHB0DP4+H4GxfBT0zLti+iK4PnDQh1CR9WCsKEAKJj1fCeK4of63iISN/PZbLNHctDQCJywimStY4iNaCbN6RyNj60M96s6UMOmZxvYbAohfaWHkKw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713620690; c=relaxed/simple; bh=RhbpoDQu7dGjKu0YbieETI7Y60muw1VC+nLLDElU58E=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=H6GLwAgyeF3K5RcbUNkuGKX/PIDiXRFdre+2K5XZ2+zI2nVl2fD+LqJA+PuDrQi8mWqPmDMT2l/GQBwIh0efZbr52JsNawTgEBVCILSDCTFA0OTDCJajP49Io/TZqJIF6U/MF1fJIXKwWCvyH7cVOFaHW+iMxTLYiv6N/I+UD9g= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net; spf=pass smtp.mailfrom=sipsolutions.net; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b=ev3Qdbc/; arc=none smtp.client-ip=168.119.38.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sipsolutions.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sipsolutions.net header.i=@sipsolutions.net header.b="ev3Qdbc/" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=Content-Transfer-Encoding:MIME-Version: Message-ID:Date:Subject:Cc:To:From:Content-Type:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-To:Resent-Cc: Resent-Message-ID:In-Reply-To:References; bh=Ie079eXeRS6hxQiA+t2imb7PP/7IY1YSsUgdtPBvm0U=; t=1713620687; x=1714830287; b=ev3Qdbc/kyzdrBXVVaXltZ0jMZzoqa8o0Gzfn6RBXDrKxaVVO34HAHod+7L5ynufl9IxEXJ150e hTd8xS5kOxz3E40aVw0tV3FBN1/jpOrLJDxt1nRRiRSlKyp5NLDAGB3sMRkRFjd1hK//p8Nh7xIi0 fIYTTihP2pN5nPcKG8/3Aaef8V+T/yIrYBMSrDYUrkWbFOR4NqezMyMUBapM4p4vPSEI7jqzw1r9u VebY/1x/pR3zXIJKyNbVMJTl3cxst03l2UTpXYP3q6Cbja+RUIt0bjIGGnKxIGRrYmATlK19dMro0 6SFRWoK3vONpnQ6N468XQS7SNsTMXwk5BXAQ==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.97) (envelope-from ) id 1ryB1C-0000000FlMr-0pNB; Sat, 20 Apr 2024 15:44:38 +0200 From: Johannes Berg To: linux-wireless@vger.kernel.org Cc: Johannes Berg Subject: [PATCH] wifi: iwlwifi: mvm: fix link ID management Date: Sat, 20 Apr 2024 15:44:36 +0200 Message-ID: <20240420154435.dce72db5d5e3.Ic40b454b24f1c7b380a1eedf67455d9cf2f58541@changeid> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Johannes Berg On older (pre-MLD API) devices, we started also calling iwl_mvm_set_link_mapping()/iwl_mvm_unset_link_mapping(), but of course not also iwl_mvm_remove_link(). Since the link ID was only released in iwl_mvm_remove_link() this causes us to run out of FW link IDs very quickly. Fix it by releasing the link ID correctly. Fixes: a8b5d4809b50 ("wifi: iwlwifi: mvm: Configure the link mapping for non-MLD FW") Signed-off-by: Johannes Berg Tested-by: Tor Vic --- drivers/net/wireless/intel/iwlwifi/mvm/link.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c index 9f69e04594e4..fe5bba8561d0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c @@ -279,6 +279,7 @@ int iwl_mvm_unset_link_mapping(struct iwl_mvm *mvm, struct ieee80211_vif *vif, RCU_INIT_POINTER(mvm->link_id_to_link_conf[link_info->fw_link_id], NULL); + iwl_mvm_release_fw_link_id(mvm, link_info->fw_link_id); return 0; } @@ -296,7 +297,6 @@ int iwl_mvm_remove_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return 0; cmd.link_id = cpu_to_le32(link_info->fw_link_id); - iwl_mvm_release_fw_link_id(mvm, link_info->fw_link_id); link_info->fw_link_id = IWL_MVM_FW_LINK_ID_INVALID; cmd.spec_link_id = link_conf->link_id; cmd.phy_id = cpu_to_le32(FW_CTXT_INVALID);