From patchwork Tue Dec 30 16:30:33 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vlad Zolotarov X-Patchwork-Id: 424661 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 B4DC31400B7 for ; Wed, 31 Dec 2014 03:37:32 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751933AbaL3Qh0 (ORCPT ); Tue, 30 Dec 2014 11:37:26 -0500 Received: from mail-wi0-f177.google.com ([209.85.212.177]:42266 "EHLO mail-wi0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750833AbaL3QhX (ORCPT ); Tue, 30 Dec 2014 11:37:23 -0500 Received: by mail-wi0-f177.google.com with SMTP id l15so24359259wiw.4 for ; Tue, 30 Dec 2014 08:37:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=rOVB1zWxqE8VSyxrRo9Bz8Nw1cYvqkXhVB7L3DzP2+k=; b=dhhJS1cuUDH1x9NZJJogSDwYzyE8eQrK7c6HJ5XwQ1wat1WgwqA767EYJkhBAESCsO MBi6sEQIXjXQy03MA0jaMWKFOH+jUYiwSIctyuYqyNTmao9mf2e3MZGDUTK9O2VAKuxk RuQCc0YuMPY5BVAy7Lt4ec5ws6vhd2+pVtW2yNZUZmH7DKiSBkrbs9oEH4IPO5W4tXhC nE5iDVX+XWgL37yPEkKi0Nfbc3xoDY5GURqi4akHcWL69T+CA6mUyx4Rn2pCbs2fxnN6 VD/xUWeK5FmOUvRFwi8hTmJ6Nj3XVlvf6LpXWP9KchcrVn3Wreuiuks5IItfmcw84UZb 3/Uw== X-Gm-Message-State: ALoCoQn6TcP8X1QyfyJjr19agNlyrCuOdnbbKzkUcPWnUvIdT7XqtDXU985gXcjAqcEkqkeHIFd1 X-Received: by 10.194.93.5 with SMTP id cq5mr117600343wjb.84.1419957053119; Tue, 30 Dec 2014 08:30:53 -0800 (PST) Received: from vladz-laptop.cloudius-systems.com. (system.cloudius-systems.com. [84.94.198.183]) by mx.google.com with ESMTPSA id dc1sm39028047wib.18.2014.12.30.08.30.51 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 Dec 2014 08:30:52 -0800 (PST) From: Vlad Zolotarov To: netdev@vger.kernel.org Cc: gleb@cloudius-systems.com, avi@cloudius-systems.com, Vlad Zolotarov Subject: [RFC PATCH net-next 3/5] ixgbe: Add GET_RSS_KEY command to VF-PF channel commands set Date: Tue, 30 Dec 2014 18:30:33 +0200 Message-Id: <1419957035-1078-4-git-send-email-vladz@cloudius-systems.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1419957035-1078-1-git-send-email-vladz@cloudius-systems.com> References: <1419957035-1078-1-git-send-email-vladz@cloudius-systems.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 82599 VFs and PF share the same RSS Key. Therefore we will return the same RSS key for all VFs. Signed-off-by: Vlad Zolotarov --- drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h | 2 ++ drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 25 +++++++++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h index c1123d9..52e775b 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h @@ -97,6 +97,8 @@ enum ixgbe_pfvf_api_rev { #define IXGBE_VF_GET_RETA_1 0x0b /* get RETA[12..23] */ #define IXGBE_VF_GET_RETA_2 0x0c /* get RETA[24..31] */ +#define IXGBE_VF_GET_RSS_KEY 0x0d /* get RSS key */ + /* GET_QUEUES return data indices within the mailbox */ #define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */ #define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */ diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 84db1a5..fc8233e 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -970,6 +970,28 @@ static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, return 0; } +static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter, + u32 *msgbuf, u32 vf) +{ + struct ixgbe_hw *hw = &adapter->hw; + int i; + u32 *rss_key = &msgbuf[1]; + + /* verify the PF is supporting the correct API */ + switch (adapter->vfinfo[vf].vf_api) { + case ixgbe_mbox_api_12: + break; + default: + return -EPERM; + } + + /* Read the RSS KEY */ + for (i = 0; i < 10; i++) + rss_key[i] = IXGBE_READ_REG(hw, IXGBE_RSSRK(i)); + + return 0; +} + static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) { u32 mbx_size = IXGBE_VFMAILBOX_SIZE; @@ -1035,6 +1057,9 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) case IXGBE_VF_GET_RETA_2: retval = ixgbe_get_vf_reta(adapter, msgbuf, vf, 24, 8); break; + case IXGBE_VF_GET_RSS_KEY: + retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf); + break; default: e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); retval = IXGBE_ERR_MBX;