From patchwork Fri Sep 10 16:14:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 509069 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 AFD9CC433F5 for ; Fri, 10 Sep 2021 16:15:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9AB236124C for ; Fri, 10 Sep 2021 16:15:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234273AbhIJQRB (ORCPT ); Fri, 10 Sep 2021 12:17:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:41628 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233643AbhIJQQe (ORCPT ); Fri, 10 Sep 2021 12:16:34 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 380546124C; Fri, 10 Sep 2021 16:15:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631290523; bh=aXRmDB4ncTQ/NPQYvglVEgPWvvmgCLc7GKzElIqoLHY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=A1JjnhlYzq94Coh4K/I26fQ3XkmCQx9+/j5ZKyngV+89YEup7UujDOF99EbAnmW1X RWY2tGsWWU6/+C4wamKbc2OE1LEHlM8VsphtuEQgLutnGxwluNcrLInFLOaXkv4+yu bWAZQCAUvZ7SJ4IbHxXMS3HKx07i5aUoePJHTgFWzca9SDShLnU9gM5FZGfgVAf7QB f+9c1hAGVdlYuRd8IOoLcRGRkOhen3FeIRxI5aLuMiQqy23kFyaWAxh27oZWVgzm3S 76LilDbE0Ut8V7frFgotfP6aAHzllkweKhL9nbFlTP4mzdWeN7YzW15YkqfrZku67d M4lCx3Q8xuSNQ== 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 v14 bpf-next 09/18] net: mvneta: enable jumbo frames for XDP Date: Fri, 10 Sep 2021 18:14:15 +0200 Message-Id: <2f1ec618b25765df7f4dee97a2ccf63a8133fd4d.1631289870.git.lorenzo@kernel.org> 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 25f63f9efdf0..f7a39cfb0f1a 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");