From patchwork Thu Jul 23 11:42:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 1334782 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=TXNJBUNI; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BC9T13kgWz9sR4 for ; Thu, 23 Jul 2020 21:43:33 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728737AbgGWLnd (ORCPT ); Thu, 23 Jul 2020 07:43:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:46416 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728567AbgGWLnc (ORCPT ); Thu, 23 Jul 2020 07:43:32 -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 09EF72080D; Thu, 23 Jul 2020 11:43:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595504612; bh=PRAJbgGBy9uI9xx0z3xw4LO3+xzSOqkNUv9MizzokYc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TXNJBUNIyvLL9mBkNdn2oKNYKq60fwazi4xOy7WGn+MyOpcUnprNa3ko0oJELTiao DddwfjrOq6adi7K3gqxZkwomOcmDHpwTUIvDhoXuxrfcYvOB0s/UfNMjHLqU+oTn16 RPzSMOW0x551Uqdgr0wTvUQzV1yWtYn3vEW3x+dw= 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 10/22] net: nfp: initialize mb bit in xdp_buff to 0 Date: Thu, 23 Jul 2020 13:42:22 +0200 Message-Id: <31f5d7d2d3dd50829593d4ac80abf23b71e2b024.1595503780.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/netronome/nfp/nfp_net_common.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 44608873d3d9..c6998c34e552 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -1824,6 +1824,7 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget) true_bufsz = xdp_prog ? PAGE_SIZE : dp->fl_bufsz; xdp.frame_sz = PAGE_SIZE - NFP_NET_RX_BUF_HEADROOM; xdp.rxq = &rx_ring->xdp_rxq; + xdp.mb = 0; tx_ring = r_vec->xdp_ring; while (pkts_polled < budget) {