From patchwork Wed Aug 19 13:13:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 262254 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 BE54DC433E1 for ; Wed, 19 Aug 2020 13:24:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 90D3F206FA for ; Wed, 19 Aug 2020 13:24:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597843451; bh=fo0o3GunFroC3MY9AJkF6FV+TMBbGRrcxaXtHMFQ80E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fJZsCt4j8UQalOnn6AzFH8ZPy99Sq8RIjaBNq/EY/7buScjEZ3UoIcxpDDcXd5iHk a6pA9fiaAXSBsKORcitXc97VBsYSlj+hw22cc9fd4OY6Lz5+5665gQ7WdcObPX4Q8p qHlWTDooe90OJJvzy7QFIyZ7/QqjgMre1mBOdM9M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728310AbgHSNYK (ORCPT ); Wed, 19 Aug 2020 09:24:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:59964 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728115AbgHSNRW (ORCPT ); Wed, 19 Aug 2020 09:17:22 -0400 Received: from lore-desk.redhat.com (unknown [151.48.139.80]) (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 27FE2208A9; Wed, 19 Aug 2020 13:14:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597842900; bh=fo0o3GunFroC3MY9AJkF6FV+TMBbGRrcxaXtHMFQ80E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ExpqzWXVZbwJuDBPgyQWd2uP6uMQT4z6zJCdbWbE+tpuLHXQCJ1+gqkdsFW3dA2VN /MXH+LGzIHLgQkUMdhSXMxgLPwm6vhKu24d5MaBr8j833YHTnuZpGvwMP/WVGIdkJH 5DgwFpi/2g8S107abeBT5Qgx7I4aq3SeT5f0kiEc= From: Lorenzo Bianconi To: netdev@vger.kernel.org Cc: bpf@vger.kernel.org, davem@davemloft.net, lorenzo.bianconi@redhat.com, brouer@redhat.com, echaudro@redhat.com, sameehj@amazon.com, kuba@kernel.org Subject: [PATCH net-next 6/6] net: mvneta: enable jumbo frames for XDP Date: Wed, 19 Aug 2020 15:13:51 +0200 Message-Id: <3e0d98fafaf955868205272354e36f0eccc80430.1597842004.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Enable the capability to receive jumbo frames even if the interface is running in XDP mode Signed-off-by: Lorenzo Bianconi --- drivers/net/ethernet/marvell/mvneta.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index efac4a5e0439..42f7614cd67c 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3735,11 +3735,6 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu) mtu = ALIGN(MVNETA_RX_PKT_SIZE(mtu), 8); } - if (pp->xdp_prog && mtu > MVNETA_MAX_RX_BUF_SIZE) { - netdev_info(dev, "Illegal MTU value %d for XDP mode\n", mtu); - return -EINVAL; - } - dev->mtu = mtu; if (!netif_running(dev)) { @@ -4437,11 +4432,6 @@ static int mvneta_xdp_setup(struct net_device *dev, struct bpf_prog *prog, struct mvneta_port *pp = netdev_priv(dev); struct bpf_prog *old_prog; - if (prog && dev->mtu > MVNETA_MAX_RX_BUF_SIZE) { - NL_SET_ERR_MSG_MOD(extack, "Jumbo frames not supported on XDP"); - return -EOPNOTSUPP; - } - if (pp->bm_priv) { NL_SET_ERR_MSG_MOD(extack, "Hardware Buffer Management not supported on XDP");