From patchwork Fri Nov 13 11:48:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 1399713 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@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=netdev-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=eGhEqB9s; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CXcYc1X4Yz9sVm for ; Fri, 13 Nov 2020 23:03:16 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726871AbgKMMDM (ORCPT ); Fri, 13 Nov 2020 07:03:12 -0500 Received: from mail.kernel.org ([198.145.29.99]:36034 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726855AbgKMLte (ORCPT ); Fri, 13 Nov 2020 06:49:34 -0500 Received: from lore-desk.redhat.com (unknown [151.66.8.153]) (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 522AF22250; Fri, 13 Nov 2020 11:48:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605268135; bh=4gnREmuwSa2XungGUD/o8nxhAxK6wXA9b7cFmNq7Mss=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eGhEqB9s1Y0KVNZm7HGoUyfGZ/lyrmucu6d4BFODpM23USj9slHfQNxP+W9X+ejaY mqaEY73VVTeY07f85yVy+YybOZVhP07YL5fi9kMUnNigJXOx+LHANQLdBQ0rpVME3v dSLwYQ2yNqBBhqaFvdmf/GRLpC35Y4+R+Kd/b1Ww= From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: bpf@vger.kernel.org, lorenzo.bianconi@redhat.com, davem@davemloft.net, kuba@kernel.org, brouer@redhat.com, ilias.apalodimas@linaro.org, john.fastabend@gmail.com Subject: [PATCH v6 net-nex 4/5] net: mvpp2: add xdp tx return bulking support Date: Fri, 13 Nov 2020 12:48:31 +0100 Message-Id: <0b38c295e58e8ce251ef6b4e2187a2f457f9f7a3.1605267335.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Convert mvpp2 driver to xdp_return_frame_bulk APIs. XDP_REDIRECT (upstream codepath): 1.79Mpps XDP_REDIRECT (upstream codepath + bulking APIs): 1.93Mpps Tested-by: Matteo Croce Co-developed-by: Jesper Dangaard Brouer Signed-off-by: Jesper Dangaard Brouer Signed-off-by: Lorenzo Bianconi Acked-by: John Fastabend --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index f6616c8933ca..3069e192d773 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -2440,8 +2440,13 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, struct mvpp2_tx_queue *txq, struct mvpp2_txq_pcpu *txq_pcpu, int num) { + struct xdp_frame_bulk bq; int i; + xdp_frame_bulk_init(&bq); + + rcu_read_lock(); /* need for xdp_return_frame_bulk */ + for (i = 0; i < num; i++) { struct mvpp2_txq_pcpu_buf *tx_buf = txq_pcpu->buffs + txq_pcpu->txq_get_index; @@ -2454,10 +2459,13 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, dev_kfree_skb_any(tx_buf->skb); else if (tx_buf->type == MVPP2_TYPE_XDP_TX || tx_buf->type == MVPP2_TYPE_XDP_NDO) - xdp_return_frame(tx_buf->xdpf); + xdp_return_frame_bulk(tx_buf->xdpf, &bq); mvpp2_txq_inc_get(txq_pcpu); } + xdp_flush_frame_bulk(&bq); + + rcu_read_unlock(); } static inline struct mvpp2_rx_queue *mvpp2_get_rx_queue(struct mvpp2_port *port,