From patchwork Tue Dec 12 00:30:12 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: 847297 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="X6gNbZ2E"; dkim=pass (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="X6gNbZ2E"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3ywgjF4wCYz9sBd for ; Tue, 12 Dec 2017 11:30:57 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752256AbdLLAa4 (ORCPT ); Mon, 11 Dec 2017 19:30:56 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:35092 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752011AbdLLAar (ORCPT ); Mon, 11 Dec 2017 19:30:47 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 857C560A17; Tue, 12 Dec 2017 00:30:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1513038647; bh=XcXuxUcWW7HIGy4tvvCKVTLUkM1jFK6VgWCe0ZINd7I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X6gNbZ2EE6Ya8xTIWSBgOTU6Vfez0T83Ak0QEZPl04lzl0AEg1WZOgTiJMOqZvdYa 1ShRErq12PBgdd0fbSx9mou9KOQajOSdeUQg9MY3MGOJ2ofo7XGpIh8iHLyw+BgC0e sbfQs2pIGePFKHlJVC907FMMowLby/N5JxbrreqI= 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 B3CBA6055B; Tue, 12 Dec 2017 00:30:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1513038647; bh=XcXuxUcWW7HIGy4tvvCKVTLUkM1jFK6VgWCe0ZINd7I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X6gNbZ2EE6Ya8xTIWSBgOTU6Vfez0T83Ak0QEZPl04lzl0AEg1WZOgTiJMOqZvdYa 1ShRErq12PBgdd0fbSx9mou9KOQajOSdeUQg9MY3MGOJ2ofo7XGpIh8iHLyw+BgC0e sbfQs2pIGePFKHlJVC907FMMowLby/N5JxbrreqI= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B3CBA6055B 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 3/6] net: qualcomm: rmnet: Allow only one rmnet dev per muxid per real dev Date: Mon, 11 Dec 2017 17:30:12 -0700 Message-Id: <1513038615-16407-4-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 Upon de-multiplexing data from one real dev, the packets can be sent to an unique rmnet device for a given mux id. Signed-off-by: Subash Abhinov Kasiviswanathan --- drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index 9caa5e3..5bb29f4 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -185,6 +185,9 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev, if (ep->egress_dev) return -EINVAL; + if (rmnet_get_endpoint(port, id)) + return -EBUSY; + rc = register_netdevice(rmnet_dev); if (!rc) { ep->egress_dev = rmnet_dev;