From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AB6DBC7EE29 for ; Thu, 8 Jun 2023 18:05:54 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 5DE976153C; Thu, 8 Jun 2023 18:05:54 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 5DE976153C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1686247554; bh=et22oz8X3QHhIDmQZjoKy0YYRDSAsftdB34JXldWGW0=; h=From:To:Date:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: Cc:From; b=N93deadxirKiCFPVmSmSHg4EjagKw84q5iYuC1clKxmcr9ByNfzJ5rgMOQHPJjdIX bpIPr+vn9I5d7s7JQb0Oyj7TMZQ7eQ1ZDQWE3xA/hZHUWcg8yNaezKtjUPOYUhSJSt oDnZvEQ4YNK2GDGkCWafi2z9T4kaEa0DNMsMyreHnIdsKhKdFSIaztVEVTBI0D9qtd XfgtSblunLvYcReNxOfWYPJNgwE9/3GmIqBdq2EVfwN/SzSOylUymsf3ufAewaoqkH Jb4mrGKCMiL/26gg8NXTeYIYI/TKsqGy7/YzEvd9dzDl4eGw9X01TiM+h3U8QtuWDi RntUbavZkHeWQ== X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vIPRrbBZ-YnH; Thu, 8 Jun 2023 18:05:53 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by smtp3.osuosl.org (Postfix) with ESMTP id 413E561519; Thu, 8 Jun 2023 18:05:53 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 413E561519 Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by ash.osuosl.org (Postfix) with ESMTP id 3AFAD1BF3E1 for ; Thu, 8 Jun 2023 18:05:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id CB8F542128 for ; Thu, 8 Jun 2023 18:05:09 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org CB8F542128 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Cea4QlrHkHWZ for ; Thu, 8 Jun 2023 18:05:07 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 4F0F242407 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by smtp4.osuosl.org (Postfix) with ESMTPS id 4F0F242407 for ; Thu, 8 Jun 2023 18:05:07 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6600,9927,10735"; a="385738758" X-IronPort-AV: E=Sophos;i="6.00,227,1681196400"; d="scan'208";a="385738758" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jun 2023 11:04:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10735"; a="775187938" X-IronPort-AV: E=Sophos;i="6.00,227,1681196400"; d="scan'208";a="775187938" Received: from dmert-dev.jf.intel.com ([10.166.241.14]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jun 2023 11:04:38 -0700 From: Dave Ertman To: intel-wired-lan@lists.osuosl.org Date: Thu, 8 Jun 2023 11:06:17 -0700 Message-Id: <20230608180618.574171-10-david.m.ertman@intel.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230608180618.574171-1-david.m.ertman@intel.com> References: <20230608180618.574171-1-david.m.ertman@intel.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686247507; x=1717783507; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=fCymMh11BDM0sIUq78o1Kso+F0PGaNZuR5UarBdn8Jc=; b=KFUfrVt0vsgS3VDrMFEZryFlSWPOtaeYP1Pjd/N2VHQtmbhjj5Np5mhV 48P72PSBh2CVpJrbZRUMxIvuQAqDJvk6NoTnV0whAKfHP++CD7dT6biVw KUw6yEJiWn6m+n1gDSWVlya4lXU+X7+9m+IhEHyR+0UOa5bne8dKWK6b7 xgiVSk4aS7azKS44gElgmnJY8W1Ay16vpEMS/O3nETwrMHoa02w+bcdX2 3XzqFajrP2RQQtH6lKANbQC0MMt5qZf1062/QXawb5QRxf0VcT+3XVtcg +AkgbF9CaXjbgW4+SsYOMKGvAZhO8mhvXDLITvNXzLyuBs6ExOg7zvAAm A==; X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=KFUfrVt0 Subject: [Intel-wired-lan] [PATCH iwl-next v3 09/10] ice: enforce no DCB config changing when in bond X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, daniel.machon@microchip.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" To support SRIOV LAG, the driver cannot allow changes to an interface's DCB configuration when in a bond. This would break the ability to modify interfaces Tx scheduling for fail-over interfaces. Block kernel generated DCB config events when in a bond. Reviewed-by: Daniel Machon Signed-off-by: Dave Ertman --- drivers/net/ethernet/intel/ice/ice_dcb_nl.c | 50 +++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c index 3eb01731e496..e1fbc6de452d 100644 --- a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c +++ b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c @@ -70,6 +70,11 @@ static int ice_dcbnl_setets(struct net_device *netdev, struct ieee_ets *ets) !(pf->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) return -EINVAL; + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return -EINVAL; + } + new_cfg = &pf->hw.port_info->qos_cfg.desired_dcbx_cfg; mutex_lock(&pf->tc_mutex); @@ -170,6 +175,11 @@ static u8 ice_dcbnl_setdcbx(struct net_device *netdev, u8 mode) if (mode == pf->dcbx_cap) return ICE_DCB_NO_HW_CHG; + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return ICE_DCB_NO_HW_CHG; + } + qos_cfg = &pf->hw.port_info->qos_cfg; /* DSCP configuration is not DCBx negotiated */ @@ -261,6 +271,11 @@ static int ice_dcbnl_setpfc(struct net_device *netdev, struct ieee_pfc *pfc) !(pf->dcbx_cap & DCB_CAP_DCBX_VER_IEEE)) return -EINVAL; + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return -EINVAL; + } + mutex_lock(&pf->tc_mutex); new_cfg = &pf->hw.port_info->qos_cfg.desired_dcbx_cfg; @@ -323,6 +338,11 @@ static void ice_dcbnl_set_pfc_cfg(struct net_device *netdev, int prio, u8 set) if (prio >= ICE_MAX_USER_PRIORITY) return; + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return; + } + new_cfg = &pf->hw.port_info->qos_cfg.desired_dcbx_cfg; new_cfg->pfc.pfccap = pf->hw.func_caps.common_cap.maxtc; @@ -379,6 +399,11 @@ static u8 ice_dcbnl_setstate(struct net_device *netdev, u8 state) !(pf->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) return ICE_DCB_NO_HW_CHG; + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return ICE_DCB_NO_HW_CHG; + } + /* Nothing to do */ if (!!state == test_bit(ICE_FLAG_DCB_ENA, pf->flags)) return ICE_DCB_NO_HW_CHG; @@ -451,6 +476,11 @@ ice_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc, if (tc >= ICE_MAX_TRAFFIC_CLASS) return; + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return; + } + new_cfg = &pf->hw.port_info->qos_cfg.desired_dcbx_cfg; /* prio_type, bwg_id and bw_pct per UP are not supported */ @@ -505,6 +535,11 @@ ice_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int pgid, u8 bw_pct) if (pgid >= ICE_MAX_TRAFFIC_CLASS) return; + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return; + } + new_cfg = &pf->hw.port_info->qos_cfg.desired_dcbx_cfg; new_cfg->etscfg.tcbwtable[pgid] = bw_pct; @@ -725,6 +760,11 @@ static int ice_dcbnl_setapp(struct net_device *netdev, struct dcb_app *app) return -EINVAL; } + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return -EINVAL; + } + max_tc = pf->hw.func_caps.common_cap.maxtc; if (app->priority >= max_tc) { netdev_err(netdev, "TC %d out of range, max TC %d\n", @@ -836,6 +876,11 @@ static int ice_dcbnl_delapp(struct net_device *netdev, struct dcb_app *app) return -EINVAL; } + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return -EINVAL; + } + mutex_lock(&pf->tc_mutex); old_cfg = &pf->hw.port_info->qos_cfg.local_dcbx_cfg; @@ -937,6 +982,11 @@ static u8 ice_dcbnl_cee_set_all(struct net_device *netdev) !(pf->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) return ICE_DCB_NO_HW_CHG; + if (pf->lag && pf->lag->bonded) { + netdev_err(netdev, "DCB changes not allowed when in a bond\n"); + return ICE_DCB_NO_HW_CHG; + } + new_cfg = &pf->hw.port_info->qos_cfg.desired_dcbx_cfg; mutex_lock(&pf->tc_mutex); -- 2.40.1 _______________________________________________ Intel-wired-lan mailing list Intel-wired-lan@osuosl.org https://lists.osuosl.org/mailman/listinfo/intel-wired-lan