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=-9.9 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,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 9E2E4C3A59F for ; Mon, 26 Aug 2019 21:34:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 71B652186A for ; Mon, 26 Aug 2019 21:34:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=pensando.io header.i=@pensando.io header.b="MIP3knMw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729260AbfHZVeI (ORCPT ); Mon, 26 Aug 2019 17:34:08 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:41430 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729238AbfHZVeH (ORCPT ); Mon, 26 Aug 2019 17:34:07 -0400 Received: by mail-pl1-f196.google.com with SMTP id m9so10648913pls.8 for ; Mon, 26 Aug 2019 14:34:06 -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=C0oeyzcarKa89xVLlBWN3685Ou+lneXMHEY5/fSuoyY=; b=MIP3knMwtvBsdkvkBVBohI1rLKsvA36kEzqy7tSEBuiGaLPzHByTTeo13g9odpv7Kr +ZOFbrxgDie3quFVJEAHLCiI+OrwvROfHEw2ZxnhanJ+hFjIH0lmsqbVoGrgZh3zCb73 kSuH8ZUbwKiIDSl6H2Zx2mDK9rpmFv/S8Z2x4hLZeu6/VuY5udH5smrBnTjoTOzHiu3V 9PIkwgHzbdp0QQKTz3KII2B+bQL787TXfeHlOgTUU9kvkQ2izBk9XS9LP7aJQh7lVNXh 3X8u1kZ/Nu4uBMnGXJ1RowNhlIB3Sq0S6/02y76kOhdCl60eZgqJDVyI/qMbVxCicWFv s7fQ== 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=C0oeyzcarKa89xVLlBWN3685Ou+lneXMHEY5/fSuoyY=; b=GvgKaBLgenfXNFs3FLMEKDhD4VYJuns5+J4nDoUd8DQOQcmThsW3WiFhpZxY5OyL0C HekafhGyp6v7S/yRhOSiTdhJWRIbRFMkyg1ZS6rXKh9mCnjkhix5NHO/FzYoWyvA/MOn eL2ecTDhHJ8pnsqcFXQg7UHxSSjXDshTQRWW1VAAdvm5TFDSaHLSswg9McskOKbMuamy jC8zag/zSqeIQCVc9YSur4YlR1cU53s4Pw4mrHG0tie4AFpcyWerqr4VOTr7eJfEiB+E 1M5YbF+Yq5X188OXDp3gHfPXLB2IburUYCmj/kzCWw5TRyJ7rAa2qblYbbpSj4xxjHe/ 9abg== X-Gm-Message-State: APjAAAWAyeVWFlGVbEScErH2taWuc7T+TtusL+9oZAcoIpiEG/xgNFNx KHGx9bHxUcRN+XUbqyNmHWKVrhgB8ts= X-Google-Smtp-Source: APXvYqyI3tFYacFJYpwxS5xzgPNgN1LTXAlr45nweDeAc/n8VfntjEPeqGkT6C1zFaaHGhuFocgoQg== X-Received: by 2002:a17:902:449:: with SMTP id 67mr21639472ple.105.1566855246438; Mon, 26 Aug 2019 14:34:06 -0700 (PDT) Received: from driver-dev1.pensando.io ([12.1.37.26]) by smtp.gmail.com with ESMTPSA id j9sm5876905pfi.128.2019.08.26.14.34.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Aug 2019 14:34:05 -0700 (PDT) From: Shannon Nelson To: snelson@pensando.io, netdev@vger.kernel.org, davem@davemloft.net Subject: [PATCH v5 net-next 15/18] ionic: Add netdev-event handling Date: Mon, 26 Aug 2019 14:33:36 -0700 Message-Id: <20190826213339.56909-16-snelson@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190826213339.56909-1-snelson@pensando.io> References: <20190826213339.56909-1-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 82b45e3384c3..d46103cb3a13 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic.h +++ b/drivers/net/ethernet/pensando/ionic/ionic.h @@ -45,6 +45,8 @@ 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 61572823e993..41e2768ea47b 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -1947,10 +1947,66 @@ 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) { @@ -1966,6 +2022,12 @@ 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