From patchwork Tue Dec 12 00:30:15 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Subash Abhinov Kasiviswanathan X-Patchwork-Id: 847298 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=codeaurora.org header.i=@codeaurora.org header.b="QtWpkw6x"; dkim=pass (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="QtWpkw6x"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3ywgjK4KcXz9sBd for ; Tue, 12 Dec 2017 11:31:01 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752418AbdLLAa7 (ORCPT ); Mon, 11 Dec 2017 19:30:59 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:35208 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752348AbdLLAav (ORCPT ); Mon, 11 Dec 2017 19:30:51 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id E5D94609D1; Tue, 12 Dec 2017 00:30:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1513038650; bh=W9FQCBBrNiYazekiBu71oykxkdurKWsStmvfL9777sQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QtWpkw6x5h7YfBHoy/8u3OefonHlfAcaEECMPtjAHjgMe5QM1FcPJrtUMDcHXRr+y Sj6di0Qy2V1U8VUjO9u4oOh4XiUS2sZXlcXzd0GYPwQA2ZDAIzsGOI8fb/OZ2jfKTO UOdR+/RfOT7cuqrxOk1BU7sB152Pz67ngvkkBoiI= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_SIGNED, T_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0 Received: from subashab-lnx.qualcomm.com (unknown [129.46.15.92]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: subashab@codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 444B76055B; Tue, 12 Dec 2017 00:30:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1513038650; bh=W9FQCBBrNiYazekiBu71oykxkdurKWsStmvfL9777sQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QtWpkw6x5h7YfBHoy/8u3OefonHlfAcaEECMPtjAHjgMe5QM1FcPJrtUMDcHXRr+y Sj6di0Qy2V1U8VUjO9u4oOh4XiUS2sZXlcXzd0GYPwQA2ZDAIzsGOI8fb/OZ2jfKTO UOdR+/RfOT7cuqrxOk1BU7sB152Pz67ngvkkBoiI= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 444B76055B Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=subashab@codeaurora.org From: Subash Abhinov Kasiviswanathan To: davem@davemloft.net, netdev@vger.kernel.org Cc: Subash Abhinov Kasiviswanathan Subject: [PATCH net-next v3 6/6] net: qualcomm: rmnet: Allow to configure flags for existing devices Date: Mon, 11 Dec 2017 17:30:15 -0700 Message-Id: <1513038615-16407-7-git-send-email-subashab@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1513038615-16407-1-git-send-email-subashab@codeaurora.org> References: <1513038615-16407-1-git-send-email-subashab@codeaurora.org> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add an option to configure the mux id, aggregation and commad feature for existing rmnet devices. Implement the changelink netlink operation for this. Signed-off-by: Subash Abhinov Kasiviswanathan --- drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c index 7a4c26e..cedacdd 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c @@ -320,6 +320,45 @@ static int rmnet_rtnl_validate(struct nlattr *tb[], struct nlattr *data[], return 0; } +static int rmnet_changelink(struct net_device *dev, struct nlattr *tb[], + struct nlattr *data[], + struct netlink_ext_ack *extack) +{ + struct rmnet_priv *priv = netdev_priv(dev); + struct net_device *real_dev; + struct rmnet_endpoint *ep; + struct rmnet_port *port; + u16 mux_id; + + real_dev = __dev_get_by_index(dev_net(dev), + nla_get_u32(tb[IFLA_LINK])); + + if (!real_dev || !dev || !rmnet_is_real_dev_registered(real_dev)) + return -ENODEV; + + port = rmnet_get_port_rtnl(real_dev); + + if (data[IFLA_VLAN_ID]) { + mux_id = nla_get_u16(data[IFLA_VLAN_ID]); + ep = rmnet_get_endpoint(port, priv->mux_id); + + hlist_del_init_rcu(&ep->hlnode); + hlist_add_head_rcu(&ep->hlnode, &port->muxed_ep[mux_id]); + + ep->mux_id = mux_id; + priv->mux_id = mux_id; + } + + if (data[IFLA_VLAN_FLAGS]) { + struct ifla_vlan_flags *flags; + + flags = nla_data(data[IFLA_VLAN_FLAGS]); + port->ingress_data_format = flags->flags & flags->mask; + } + + return 0; +} + static size_t rmnet_get_size(const struct net_device *dev) { return nla_total_size(2) /* IFLA_VLAN_ID */ + @@ -335,6 +374,7 @@ struct rtnl_link_ops rmnet_link_ops __read_mostly = { .newlink = rmnet_newlink, .dellink = rmnet_dellink, .get_size = rmnet_get_size, + .changelink = rmnet_changelink, }; /* Needs either rcu_read_lock() or rtnl lock */