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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 655FDC433F8 for ; Thu, 23 Jul 2020 11:44:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 420D020B1F for ; Thu, 23 Jul 2020 11:44:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595504647; bh=X0Z1R2jFkhJUSkoinGq+f0fTEPc2NQ4LnVDbVcmKlN4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=My3+BfsJPZbbz9HIqn2idko+v34E2jNgz0xfTC1irCe7z+M7iSHh1I0+MDTCoSvwi yfIhRE2BHuyBau60M9xzThjQzk+0Idm/mqsi03u+F2ygM7s0ZFtyS3pitjcQP+sODr 02xFOBPkrPiljJ+SkAC96Rb7o57AG17dGx17nKlg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728822AbgGWLoG (ORCPT ); Thu, 23 Jul 2020 07:44:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:46934 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726109AbgGWLoF (ORCPT ); Thu, 23 Jul 2020 07:44:05 -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 32B602086A; Thu, 23 Jul 2020 11:44:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595504645; bh=X0Z1R2jFkhJUSkoinGq+f0fTEPc2NQ4LnVDbVcmKlN4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c0Vt+N4yB66ODn9Un9v4b2zZ3kUB57Si4SEqTOYQH3W/mARNidw8XjTln8iLE6Cyy AwwbcgpEW38kdubEmndGSCziBqHfqFCoI9Q10Njo+Nb9yXUpmUC7KSO4F95tNLEYbf I7DslHO117RWcTkwmGSMaDSEQwWIdZAgMIvXFuzA= 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 22/22] net: mlx4: initialize mb bit in xdp_buff to 0 Date: Thu, 23 Jul 2020 13:42:34 +0200 Message-Id: <58f38cdce05d1126f4a9372f0e14de7718af0a14.1595503780.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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/mellanox/mlx4/en_rx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 8a10285b0e10..0d42e81a7ad8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -684,6 +684,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud xdp_prog = rcu_dereference(ring->xdp_prog); xdp.rxq = &ring->xdp_rxq; xdp.frame_sz = priv->frag_info[0].frag_stride; + xdp.mb = 0; doorbell_pending = 0; /* We assume a 1:1 mapping between CQEs and Rx descriptors, so Rx -- 2.26.2