From patchwork Tue Sep 7 12:35:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 507809 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,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 B7674C433F5 for ; Tue, 7 Sep 2021 12:37:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D5EA6108E for ; Tue, 7 Sep 2021 12:37:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344375AbhIGMiO (ORCPT ); Tue, 7 Sep 2021 08:38:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:44862 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344251AbhIGMho (ORCPT ); Tue, 7 Sep 2021 08:37:44 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 05D9260F92; Tue, 7 Sep 2021 12:36:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631018198; bh=FA/EVrYFSTFpTADyITKX9uSlVd/VD7kQxzs4/HwGnRs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MK/ud5AS9Gg2RpTikv1HYelMOprgUTjW13zhk1LL74nGYosdT05p+iPxQYHLVRs5a F63vhMfEMWJfjp+upuTAA6xsZ5ZWq0I7zy0SdFGU6QcsaHZLJODENKQIHrVtdHd16/ FK1ci+0flGxK+4SaD7HaXIfsu8uK2ySbbBV+ImxYYPXnLY+K1kEj2cUW7LaCfbck9N pLU/X+Xw6o0dCEamZ54YRZ6ILZfN748PVVu90V2ZItvTm9U4dKXR10L0MpFlKplnND tSPHJY0Xq7QokB8qky+cxWadSLxfjoVjnkRcAmqqmpNwO0hi9BxmGVyU40G+kQsk/U NvtNQmvarZhsw== From: Lorenzo Bianconi To: bpf@vger.kernel.org, netdev@vger.kernel.org Cc: lorenzo.bianconi@redhat.com, davem@davemloft.net, kuba@kernel.org, ast@kernel.org, daniel@iogearbox.net, shayagr@amazon.com, john.fastabend@gmail.com, dsahern@kernel.org, brouer@redhat.com, echaudro@redhat.com, jasowang@redhat.com, alexander.duyck@gmail.com, saeed@kernel.org, maciej.fijalkowski@intel.com, magnus.karlsson@intel.com, tirthendu.sarkar@intel.com, toke@redhat.com Subject: [PATCH v13 bpf-next 09/18] net: mvneta: enable jumbo frames for XDP Date: Tue, 7 Sep 2021 14:35:13 +0200 Message-Id: X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 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 Acked-by: John Fastabend 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 7137e9a5f8e6..707fff28b405 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3767,11 +3767,6 @@ 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)) { @@ -4481,11 +4476,6 @@ 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, "MTU too large for XDP"); - return -EOPNOTSUPP; - } - if (pp->bm_priv) { NL_SET_ERR_MSG_MOD(extack, "Hardware Buffer Management not supported on XDP");