From patchwork Tue Nov 22 21:44:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Horatiu Vultur X-Patchwork-Id: 13052781 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA89CC43217 for ; Tue, 22 Nov 2022 21:40:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235205AbiKVVkw (ORCPT ); Tue, 22 Nov 2022 16:40:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235141AbiKVVkW (ORCPT ); Tue, 22 Nov 2022 16:40:22 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8EE45C6620; Tue, 22 Nov 2022 13:40:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1669153213; x=1700689213; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Hp29edLp8a8OEBxkPTP/BqxOmLMA7en3zD0HWlGqapo=; b=l+ORBpuVVSEyxRrgozTDrDL/P4axGNx5iPZLO+yVYCcWPPqC83k7hpFL tL9fA1d55V0121EDEXgafgjLyKd0fMbkRMdghgYhcFnqBpVMAM1D3sWpN o/uPkaGU3jAYfWySe8AJjwdq+wjHySvcwxWTRwD35EFmggPItOLExVbN2 EylNzVmXK05zL/iidAwnWN87zRZv/W8JQqkeeq7CkSjoZnPJ9MtksOMuF DKQkiqS7n9KmIllLbt6yu0CqSVpqOTFkmsF2AKfLsSstX+3MUfSCKkMSk CLbkEf9YBXaHYa3MGiwSuU9k11YP/Rx7Rf59LBuz5Nf0zasadeDtmeo4R g==; X-IronPort-AV: E=Sophos;i="5.96,185,1665471600"; d="scan'208";a="201008100" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 22 Nov 2022 14:40:13 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.12; Tue, 22 Nov 2022 14:40:05 -0700 Received: from soft-dev3-1.microsemi.net (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.12 via Frontend Transport; Tue, 22 Nov 2022 14:40:03 -0700 From: Horatiu Vultur To: , , CC: , , , , , , , , , , Horatiu Vultur Subject: [PATCH net-next v4 4/7] net: lan966x: Update rxq memory model Date: Tue, 22 Nov 2022 22:44:10 +0100 Message-ID: <20221122214413.3446006-5-horatiu.vultur@microchip.com> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221122214413.3446006-1-horatiu.vultur@microchip.com> References: <20221122214413.3446006-1-horatiu.vultur@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org By default the rxq memory model is MEM_TYPE_PAGE_SHARED but to be able to reuse pages on the TX side, when the XDP action XDP_TX it is required to update the memory model to PAGE_POOL. Signed-off-by: Horatiu Vultur --- .../net/ethernet/microchip/lan966x/lan966x_fdma.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c index 384ed34197d58..483d1470c8362 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c @@ -78,8 +78,22 @@ static int lan966x_fdma_rx_alloc_page_pool(struct lan966x_rx *rx) .max_len = rx->max_mtu - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)), }; + struct lan966x_port *port; + int i; rx->page_pool = page_pool_create(&pp_params); + + for (i = 0; i < lan966x->num_phys_ports; ++i) { + if (!lan966x->ports[i]) + continue; + + port = lan966x->ports[i]; + + xdp_rxq_info_unreg_mem_model(&port->xdp_rxq); + xdp_rxq_info_reg_mem_model(&port->xdp_rxq, MEM_TYPE_PAGE_POOL, + rx->page_pool); + } + return PTR_ERR_OR_ZERO(rx->page_pool); }