From patchwork Tue Mar 28 05:19:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 13190491 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8DC43C76196 for ; Tue, 28 Mar 2023 05:21:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ph1kV-0005YU-0i; Tue, 28 Mar 2023 01:19:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ph1kT-0005Xv-D4 for qemu-devel@nongnu.org; Tue, 28 Mar 2023 01:19:57 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ph1kR-0007da-RC for qemu-devel@nongnu.org; Tue, 28 Mar 2023 01:19:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1679980795; 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=nYz8v6Y9u0IhkrtF976/60xpCmGYspsBbk7bHcrvHJ8=; b=UHM3OEyn3neBgIKYE1DQ+jvVm3Zskglc5n5cKamv2xAMikBk2RbFzdpyHj2RR+D/Ofeq5A O6/qQqsDi3G/ZXJ70MtoxWsS1pJSuIJrMBENhePimMQLx1BxaiqrPjMzg5S8/4aIrnHJ/j Z7XvjqoNtQEo+WOX/Qclr8/KICX4oW0= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-517-EmrK_ZyUOlekY1Mkw6OJjA-1; Tue, 28 Mar 2023 01:19:51 -0400 X-MC-Unique: EmrK_ZyUOlekY1Mkw6OJjA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 27974101A531; Tue, 28 Mar 2023 05:19:51 +0000 (UTC) Received: from localhost.localdomain (ovpn-13-204.pek2.redhat.com [10.72.13.204]) by smtp.corp.redhat.com (Postfix) with ESMTP id 34DCD2027040; Tue, 28 Mar 2023 05:19:48 +0000 (UTC) From: Jason Wang To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Jason Wang Subject: [PULL 10/12] igb: respect E1000_VMOLR_RSSE Date: Tue, 28 Mar 2023 13:19:15 +0800 Message-Id: <20230328051917.18006-11-jasowang@redhat.com> In-Reply-To: <20230328051917.18006-1-jasowang@redhat.com> References: <20230328051917.18006-1-jasowang@redhat.com> MIME-Version: 1.0 Content-type: text/plain X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Sriram Yagnaraman RSS for VFs is only enabled if VMOLR[n].RSSE is set. Signed-off-by: Sriram Yagnaraman Signed-off-by: Jason Wang --- hw/net/igb_core.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c index 38aa459..fd61c6c 100644 --- a/hw/net/igb_core.c +++ b/hw/net/igb_core.c @@ -1057,8 +1057,15 @@ static uint16_t igb_receive_assign(IGBCore *core, const struct eth_header *ehdr, if (queues) { igb_rss_parse_packet(core, core->rx_pkt, external_tx != NULL, rss_info); + /* Sec 8.26.1: PQn = VFn + VQn*8 */ if (rss_info->queue & 1) { - queues <<= 8; + for (i = 0; i < IGB_NUM_VM_POOLS; i++) { + if ((queues & BIT(i)) && + (core->mac[VMOLR0 + i] & E1000_VMOLR_RSSE)) { + queues |= BIT(i + IGB_NUM_VM_POOLS); + queues &= ~BIT(i); + } + } } } } else {