Message ID | 158945335278.97035.14611425333184621652.stgit@firesoul |
---|---|
State | Accepted |
Delegated to: | BPF Maintainers |
Headers | show
Return-Path: <netdev-owner@vger.kernel.org> 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=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=diFJFdqt; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49N7Zr5Q3Lz9sV9 for <patchwork-incoming-netdev@ozlabs.org>; Thu, 14 May 2020 20:49:24 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726161AbgENKtX (ORCPT <rfc822;patchwork-incoming-netdev@ozlabs.org>); Thu, 14 May 2020 06:49:23 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:46011 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726117AbgENKtW (ORCPT <rfc822;netdev@vger.kernel.org>); Thu, 14 May 2020 06:49:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589453361; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=T5Pk5DJLVGFLtCPU8i1qdArebWBTUU2KueadN/fIUUM=; b=diFJFdqtF3f1Ekjf+1YlzqHWvjwJOaAGeVM8V9vQQAJt2v6Z23odo5a56a8TKmpxyWivYV buPjJKsTp/69v0H+4XpY47asTO+omuJ4IIbllVPS47yaOStMZ5gQFVpkUpJ2KgoU8Fv0or J8qWOEer7nudNNKHpj2LbNN54Wr8sSg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-281-tvc8kPVbP3WTrosgjRaf4w-1; Thu, 14 May 2020 06:49:17 -0400 X-MC-Unique: tvc8kPVbP3WTrosgjRaf4w-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4421E8015CF; Thu, 14 May 2020 10:49:15 +0000 (UTC) Received: from firesoul.localdomain (unknown [10.40.208.32]) by smtp.corp.redhat.com (Postfix) with ESMTP id EBC1160C87; Thu, 14 May 2020 10:49:13 +0000 (UTC) Received: from [192.168.42.3] (localhost [IPv6:::1]) by firesoul.localdomain (Postfix) with ESMTP id D0E78325159C9; Thu, 14 May 2020 12:49:12 +0200 (CEST) Subject: [PATCH net-next v4 03/33] sfc: add XDP frame size From: Jesper Dangaard Brouer <brouer@redhat.com> To: sameehj@amazon.com Cc: Jesper Dangaard Brouer <brouer@redhat.com>, netdev@vger.kernel.org, bpf@vger.kernel.org, =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= <toke@redhat.com>, Daniel Borkmann <borkmann@iogearbox.net>, Alexei Starovoitov <alexei.starovoitov@gmail.com>, "David S. Miller" <davem@davemloft.net>, John Fastabend <john.fastabend@gmail.com>, Alexander Duyck <alexander.duyck@gmail.com>, Jeff Kirsher <jeffrey.t.kirsher@intel.com>, David Ahern <dsahern@gmail.com>, Ilias Apalodimas <ilias.apalodimas@linaro.org>, Lorenzo Bianconi <lorenzo@kernel.org>, Saeed Mahameed <saeedm@mellanox.com>, Tariq Toukan <tariqt@mellanox.com> Date: Thu, 14 May 2020 12:49:12 +0200 Message-ID: <158945335278.97035.14611425333184621652.stgit@firesoul> In-Reply-To: <158945314698.97035.5286827951225578467.stgit@firesoul> References: <158945314698.97035.5286827951225578467.stgit@firesoul> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: <netdev.vger.kernel.org> X-Mailing-List: netdev@vger.kernel.org |
Series |
XDP extend with knowledge of frame size
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expand
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diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 260352d97d9d..68c47a8c71df 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -308,6 +308,7 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel, xdp_set_data_meta_invalid(&xdp); xdp.data_end = xdp.data + rx_buf->len; xdp.rxq = &rx_queue->xdp_rxq_info; + xdp.frame_sz = efx->rx_page_buf_step; xdp_act = bpf_prog_run_xdp(xdp_prog, &xdp); rcu_read_unlock();
This driver uses RX page-split when possible. It was recently fixed in commit 86e85bf6981c ("sfc: fix XDP-redirect in this driver") to add needed tailroom for XDP-redirect. After the fix efx->rx_page_buf_step is the frame size, with enough head and tail-room for XDP-redirect. Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> --- drivers/net/ethernet/sfc/rx.c | 1 + 1 file changed, 1 insertion(+)