From patchwork Thu Jul 23 11:42:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 1334794 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=f6IQ6Nxi; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BC9TL40GTz9sR4 for ; Thu, 23 Jul 2020 21:43:50 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728788AbgGWLnt (ORCPT ); Thu, 23 Jul 2020 07:43:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:46668 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727769AbgGWLnt (ORCPT ); Thu, 23 Jul 2020 07:43:49 -0400 Received: from lore-desk.redhat.com (unknown [151.48.142.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AD665208E4; Thu, 23 Jul 2020 11:43:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595504628; bh=MQzljx0bRPs0rhEpMTOYlyp9Bd1w9bulamPGzccxT98=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f6IQ6NxiqkCNxSw58PCS8dDP0944RDC/gweg3q7JAhnagTOGmpbCVI8qSgohxVFVV is52V/eavTCeRv795kYOPi1aHAuhhUqJ6XYAKzbV/ZJSyVh+rE3zq0cfc8XtBNokT5 nD5FXAnAvXSaMB8O/jH+zRpPsfIunksxYRjZlo5s= From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: bpf@vger.kernel.org, davem@davemloft.net, ast@kernel.org, brouer@redhat.com, daniel@iogearbox.net, lorenzo.bianconi@redhat.com, echaudro@redhat.com, sameehj@amazon.com, kuba@kernel.org Subject: [RFC net-next 16/22] net: socionext: initialize mb bit in xdp_buff to 0 Date: Thu, 23 Jul 2020 13:42:28 +0200 Message-Id: <76673f7e992f80826c0500b9f9c7c03d92e015cb.1595503780.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Initialize multi-buffer bit (mb) to 0 in xdp_buff data structure. This is a preliminary patch to enable xdp multi-buffer support. Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/socionext/netsec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c index 0f366cc50b74..0c98391224bd 100644 --- a/drivers/net/ethernet/socionext/netsec.c +++ b/drivers/net/ethernet/socionext/netsec.c @@ -947,6 +947,7 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget) xdp.rxq = &dring->xdp_rxq; xdp.frame_sz = PAGE_SIZE; + xdp.mb = 0; rcu_read_lock(); xdp_prog = READ_ONCE(priv->xdp_prog);