From patchwork Wed Dec 9 21:16:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 341626 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E7AEC433FE for ; Wed, 9 Dec 2020 21:24:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D332D20793 for ; Wed, 9 Dec 2020 21:24:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387929AbgLIVYX (ORCPT ); Wed, 9 Dec 2020 16:24:23 -0500 Received: from paleale.coelho.fi ([176.9.41.70]:35784 "EHLO farmhouse.coelho.fi" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2387736AbgLIVYK (ORCPT ); Wed, 9 Dec 2020 16:24:10 -0500 Received: from 91-156-6-193.elisa-laajakaista.fi ([91.156.6.193] helo=redipa.ger.corp.intel.com) by farmhouse.coelho.fi with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1kn6q0-003Drx-3F; Wed, 09 Dec 2020 23:17:28 +0200 From: Luca Coelho To: kvalo@codeaurora.org Cc: linux-wireless@vger.kernel.org Date: Wed, 9 Dec 2020 23:16:50 +0200 Message-Id: X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201209211651.968276-1-luca@coelho.fi> References: <20201209211651.968276-1-luca@coelho.fi> MIME-Version: 1.0 Subject: [PATCH v2 46/47] iwlwifi: mvm: purge the BSS table upon firmware load Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Emmanuel Grumbach When the firmware is loaded, its internal timer (GP2) is reset and all the time_sync in the BSS table is now unusable. Ask cfg80211 to purge the BSS table. Signed-off-by: Emmanuel Grumbach Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 75bd05f0ba44..8f15f68ffc70 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -402,6 +402,14 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, iwl_fw_set_dbg_rec_on(&mvm->fwrt); #endif + /* + * All the BSSes in the BSS table include the GP2 in the system + * at the beacon Rx time, this is of course no longer relevant + * since we are resetting the firmware. + * Purge all the BSS table. + */ + cfg80211_bss_flush(mvm->hw->wiphy); + return 0; }