From patchwork Fri Nov 6 00:12:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Nelson X-Patchwork-Id: 319755 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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,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 436B3C4742C for ; Fri, 6 Nov 2020 00:12:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E3A4420782 for ; Fri, 6 Nov 2020 00:12:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=pensando.io header.i=@pensando.io header.b="31zQo4w/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732684AbgKFAMf (ORCPT ); Thu, 5 Nov 2020 19:12:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732660AbgKFAMe (ORCPT ); Thu, 5 Nov 2020 19:12:34 -0500 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2721EC0613CF for ; Thu, 5 Nov 2020 16:12:34 -0800 (PST) Received: by mail-pf1-x441.google.com with SMTP id v12so2650733pfm.13 for ; Thu, 05 Nov 2020 16:12:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pensando.io; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=H4nDhqegF0EjT05ul4Hwr7UIDTMUmNY72Ijv6z2hAS0=; b=31zQo4w/qe1ztrYsbSVkHOm7mv6ghuMskhV8VvFg22P3ZVhJ9TD/lxJsHuZ21XtEvi WjXdHqmFxkQHrvDJ393p0/xaix54uXaEbEBeTjWpFMWLb6Rggqhxj9YquT0Vc6AOCDXu l2FJAV6EzJwS+zpl9B4jtRO5eRXOwLzK0xDJh9gh6dQ0f9yXU/dOTdOdLDUKCn5EeW/n FYJc3lmZhVPV1yrei9tvpJvOUzaaJ7u9hD1jD4e4eckJUuBx4sllPqz4KUaB4o87XgQj kbG9xBYtUGyLT5k61CSm+h3K1b6XBnwBikKM+yRhHjBEGqZPXCTKXRT3Sy0s4foZfm98 Lf/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=H4nDhqegF0EjT05ul4Hwr7UIDTMUmNY72Ijv6z2hAS0=; b=IQgP07V2gtRdG9v970RNCKh78DxvyLrytfNE5oDiuNplkn9qe9qRXNPx3Qp/H36sKZ v+/ZxXafn2keJNFE95NuLRsISd3cbzwe9Q9qqCTVb37inz6hktPCStD3D2PQhjyYuGrE tlN9S4X0XmB38tU6JjoISibL5sTub1cqSuUUhLcGRhu0ro0j5T7XdPLlUR2/kcWjwzbA LjODtVAdVQjimJ2en5SeP3AtU8oD/OXn/MAgddiGUdslX1b/BXr2RYIU9B0y6IHKOn+3 SiWN8MFSp9yKBhbLSa4+L7Yh6w7cZwZg087j/cBToeeC7Rn5G1gHt3EuiD7NEscle8/p LJiQ== X-Gm-Message-State: AOAM533O62DyrdXPASBTQRH/gNzoxl5uojQebQUCCu0A1AvJwib+S5qM uFXhfR9FJYUtxCRExG11H3rfCdudTPMV2w== X-Google-Smtp-Source: ABdhPJxtuGsCbR8nHf5g+pPfXJsJZrcwODxPvINWMu/Bf8lE92Dw3jiKi4xTd/WVnW2CA40bmIJePw== X-Received: by 2002:a62:8f8b:0:b029:164:9e98:c0e with SMTP id n133-20020a628f8b0000b02901649e980c0emr4981323pfd.80.1604621553290; Thu, 05 Nov 2020 16:12:33 -0800 (PST) Received: from driver-dev1.pensando.io ([12.226.153.42]) by smtp.gmail.com with ESMTPSA id 22sm3236009pjb.40.2020.11.05.16.12.32 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 05 Nov 2020 16:12:32 -0800 (PST) From: Shannon Nelson To: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org Cc: Shannon Nelson Subject: [PATCH v2 net-next 3/8] ionic: add lif quiesce Date: Thu, 5 Nov 2020 16:12:15 -0800 Message-Id: <20201106001220.68130-4-snelson@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201106001220.68130-1-snelson@pensando.io> References: <20201106001220.68130-1-snelson@pensando.io> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org After the queues are stopped, expressly quiesce the lif. This assures that even if the queues were in an odd state, the firmware will close up everything cleanly. Signed-off-by: Shannon Nelson --- .../net/ethernet/pensando/ionic/ionic_lif.c | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 519d544821af..990bd9ce93c2 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -1625,6 +1625,28 @@ static void ionic_lif_rss_deinit(struct ionic_lif *lif) ionic_lif_rss_config(lif, 0x0, NULL, NULL); } +static int ionic_lif_quiesce(struct ionic_lif *lif) +{ + struct ionic_admin_ctx ctx = { + .work = COMPLETION_INITIALIZER_ONSTACK(ctx.work), + .cmd.lif_setattr = { + .opcode = IONIC_CMD_LIF_SETATTR, + .index = cpu_to_le16(lif->index), + .attr = IONIC_LIF_ATTR_STATE, + .state = IONIC_LIF_QUIESCE, + }, + }; + int err; + + err = ionic_adminq_post_wait(lif, &ctx); + if (err) { + netdev_err(lif->netdev, "lif quiesce failed %d\n", err); + return err; + } + + return 0; +} + static void ionic_txrx_disable(struct ionic_lif *lif) { unsigned int i; @@ -1639,6 +1661,8 @@ static void ionic_txrx_disable(struct ionic_lif *lif) for (i = 0; i < lif->nxqs; i++) err = ionic_qcq_disable(lif->rxqcqs[i], (err != -ETIMEDOUT)); } + + (void)ionic_lif_quiesce(lif); } static void ionic_txrx_deinit(struct ionic_lif *lif)