From patchwork Mon Dec 23 18:44:41 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuval Mintz X-Patchwork-Id: 304832 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 327002C00A9 for ; Tue, 24 Dec 2013 05:45:06 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757812Ab3LWSo4 (ORCPT ); Mon, 23 Dec 2013 13:44:56 -0500 Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:20442 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757625Ab3LWSow (ORCPT ); Mon, 23 Dec 2013 13:44:52 -0500 X-IronPort-AV: E=Sophos;i="4.95,538,1384329600"; d="scan'208";a="5155352" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw2-out.broadcom.com with ESMTP; 23 Dec 2013 10:51:53 -0800 Received: from IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.1.438.0; Mon, 23 Dec 2013 10:44:52 -0800 Received: from mail-irva-13.broadcom.com (10.10.10.20) by IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) with Microsoft SMTP Server id 14.1.438.0; Mon, 23 Dec 2013 10:44:52 -0800 Received: from lb-tlvb-yuvalmin.il.broadcom.com (lb-tlvb-yuvalmin.il.broadcom.com [10.185.6.94]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id 056DD246A5; Mon, 23 Dec 2013 10:44:50 -0800 (PST) From: Yuval Mintz To: , CC: , Yuval Mintz Subject: [PATCH net-next 4/6] bnx2x: no error when RSS configuration fails Date: Mon, 23 Dec 2013 20:44:41 +0200 Message-ID: <1387824283-15687-5-git-send-email-yuvalmin@broadcom.com> X-Mailer: git-send-email 1.8.1.227.g44fe835 In-Reply-To: <1387824283-15687-1-git-send-email-yuvalmin@broadcom.com> References: <1387824283-15687-1-git-send-email-yuvalmin@broadcom.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org It's possible for VMs with older versions of bnx2x to run over a hypervisor with latest driver. If a VF in such a VM does not support RSS configuration, the PF driver in the hypervisor will print an error message to system logs. This changes the error message into a debug message, as this is very likely a false alarm for an older VF (i.e., VF manages to work properly; PF simply cannot configure the additional queues for it). Signed-off-by: Yuval Mintz Signed-off-by: Ariel Elior --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c index efa8a15..c7aaf5b 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -800,14 +800,18 @@ int bnx2x_vfpf_config_rss(struct bnx2x *bp, } if (resp->hdr.status != PFVF_STATUS_SUCCESS) { - BNX2X_ERR("failed to send rss message to PF over Vf PF channel %d\n", - resp->hdr.status); - rc = -EINVAL; + /* Since older drivers don't support this feature (and VF has + * no way of knowing other than failing this), don't propogate + * an error in this case. + */ + DP(BNX2X_MSG_IOV, + "Failed to send rss message to PF over VF-PF channel [%d]\n", + resp->hdr.status); } out: bnx2x_vfpf_finalize(bp, &req->first_tlv); - return 0; + return rc; } int bnx2x_vfpf_set_mcast(struct net_device *dev)