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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 7BF4AC3A5A5 for ; Tue, 3 Sep 2019 22:29:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 52ADF22CED for ; Tue, 3 Sep 2019 22:29:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=pensando.io header.i=@pensando.io header.b="n/RHGDmk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727762AbfICW3N (ORCPT ); Tue, 3 Sep 2019 18:29:13 -0400 Received: from mail-pl1-f194.google.com ([209.85.214.194]:39327 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727528AbfICW3E (ORCPT ); Tue, 3 Sep 2019 18:29:04 -0400 Received: by mail-pl1-f194.google.com with SMTP id bd8so2253814plb.6 for ; Tue, 03 Sep 2019 15:29:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pensando.io; s=google; h=from:to:subject:date:message-id:in-reply-to:references; bh=1ZM3S8YJeRaaI/XVCQ/MGdutRbZgTHfnx8R9SuVyIjw=; b=n/RHGDmkc3rTv5gFsjhfmERDE5AKqzTIL2kjK1dDVSZMhGZSHHhRRyW5S6XMJSn62T QHQZ/5WUa9ShefK0fZXXfDvQYqgJGGqUkJP8yj4/SXDygJgHT3hqBZTMryM1lPt5gIn7 g1A/ihebxEho5tEZXLfi1iUGv8p2rOKG3mQAl4hNtlofIJgTyf+qObPuYA9vlxPC45DB tNJugPGmAgBCnZs9gR5ynjy4LrUGyh3XdqpNvn3jWJbYG9tpCqRabUIywMlQCM6022hG 0O/e6WAHYQwKBPGMyK28vtmvtAeCFVh2yMQts/F36g0zvTeqdIubSk8YFaJtOFScWl3f uRpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=1ZM3S8YJeRaaI/XVCQ/MGdutRbZgTHfnx8R9SuVyIjw=; b=orqh2r5U2mBU321O4pnfJRyJguAkQRwoetoQGxBfDbGGONuEIarRY5+1Jasn0NLgdM jM6hUo/xzLSY0nNd7wtL+Aqz4XWnje+oqS/DFeQPqmW7YQhnNxJ6g7UXKQZGzCPabMEz I8DrCDPF/Ac/pcd95w2/mohsfMzeBiIbtOIPY3HfgJwQ64RU8fuwm93c+91EwaB10KCs hoSgi4LIdzHNR1VuQ8V0oe6MWwF8fVXV1gGqg9MRrA3PsxIhemXN/Ksj3Wauc9eMmJFo igs2/KDLm/sim+oW+SFCmxWTSX9FNICdQdlIAaBeJ5MLKG2W2ka6z2uRpmjJshk9rhJi Wg0g== X-Gm-Message-State: APjAAAU225Iur1V9T/K8plAfyDq9regX/xsD57x+J9Ow8JE0n3iYr/r9 P+Dm2POVfMfKnY+xO51XoCfWndfJSPUbpw== X-Google-Smtp-Source: APXvYqxLA1+F3wZ56IJWpl4Cu5XMRad7+X1K5LHHRgQlndNOmtk4JGm1pS3BOZzcXDGjAdKzyGEQcg== X-Received: by 2002:a17:902:bb88:: with SMTP id m8mr4098314pls.127.1567549743730; Tue, 03 Sep 2019 15:29:03 -0700 (PDT) Received: from driver-dev1.pensando.io ([12.1.37.26]) by smtp.gmail.com with ESMTPSA id e17sm520520pjt.6.2019.09.03.15.29.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 03 Sep 2019 15:29:03 -0700 (PDT) From: Shannon Nelson To: snelson@pensando.io, netdev@vger.kernel.org, davem@davemloft.net Subject: [PATCH v7 net-next 16/19] ionic: Add netdev-event handling Date: Tue, 3 Sep 2019 15:28:18 -0700 Message-Id: <20190903222821.46161-17-snelson@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190903222821.46161-1-snelson@pensando.io> References: <20190903222821.46161-1-snelson@pensando.io> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org When the netdev gets a new name from userland, pass that name down to the NIC for internal tracking. Signed-off-by: Shannon Nelson --- drivers/net/ethernet/pensando/ionic/ionic.h | 2 + .../net/ethernet/pensando/ionic/ionic_lif.c | 62 +++++++++++++++++++ 2 files changed, 64 insertions(+) diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h index 8269ea24bd79..7a7060677f15 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic.h +++ b/drivers/net/ethernet/pensando/ionic/ionic.h @@ -44,6 +44,8 @@ struct ionic { DECLARE_BITMAP(lifbits, IONIC_LIFS_MAX); unsigned int nintrs; DECLARE_BITMAP(intrs, IONIC_INTR_CTRL_REGS_MAX); + struct work_struct nb_work; + struct notifier_block nb; }; struct ionic_admin_ctx { diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index f574359cb956..025ad6a6fce4 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -1955,10 +1955,66 @@ int ionic_lifs_init(struct ionic *ionic) return 0; } +static void ionic_lif_notify_work(struct work_struct *ws) +{ +} + +static void ionic_lif_set_netdev_info(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_NAME, + }, + }; + + strlcpy(ctx.cmd.lif_setattr.name, lif->netdev->name, + sizeof(ctx.cmd.lif_setattr.name)); + + ionic_adminq_post_wait(lif, &ctx); +} + +static struct ionic_lif *ionic_netdev_lif(struct net_device *netdev) +{ + if (!netdev || netdev->netdev_ops->ndo_start_xmit != ionic_start_xmit) + return NULL; + + return netdev_priv(netdev); +} + +static int ionic_lif_notify(struct notifier_block *nb, + unsigned long event, void *info) +{ + struct net_device *ndev = netdev_notifier_info_to_dev(info); + struct ionic *ionic = container_of(nb, struct ionic, nb); + struct ionic_lif *lif = ionic_netdev_lif(ndev); + + if (!lif || lif->ionic != ionic) + return NOTIFY_DONE; + + switch (event) { + case NETDEV_CHANGENAME: + ionic_lif_set_netdev_info(lif); + break; + } + + return NOTIFY_DONE; +} + int ionic_lifs_register(struct ionic *ionic) { int err; + INIT_WORK(&ionic->nb_work, ionic_lif_notify_work); + + ionic->nb.notifier_call = ionic_lif_notify; + + err = register_netdevice_notifier(&ionic->nb); + if (err) + ionic->nb.notifier_call = NULL; + /* only register LIF0 for now */ err = register_netdev(ionic->master_lif->netdev); if (err) { @@ -1974,6 +2030,12 @@ int ionic_lifs_register(struct ionic *ionic) void ionic_lifs_unregister(struct ionic *ionic) { + if (ionic->nb.notifier_call) { + unregister_netdevice_notifier(&ionic->nb); + cancel_work_sync(&ionic->nb_work); + ionic->nb.notifier_call = NULL; + } + /* There is only one lif ever registered in the * current model, so don't bother searching the * ionic->lif for candidates to unregister -- 2.17.1