From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <stable-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
	by inbox.dpdk.org (Postfix) with ESMTP id 0EE54A0C4B
	for <public@inbox.dpdk.org>; Tue, 31 Aug 2021 11:12:01 +0200 (CEST)
Received: from [217.70.189.124] (localhost [127.0.0.1])
	by mails.dpdk.org (Postfix) with ESMTP id E92BB406A2;
	Tue, 31 Aug 2021 11:12:00 +0200 (CEST)
Received: from mail-m973.mail.163.com (mail-m973.mail.163.com [123.126.97.3])
 by mails.dpdk.org (Postfix) with ESMTP id BF97040041;
 Tue, 31 Aug 2021 11:11:58 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com;
 s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=guRsm
 t110RjJe1bg4vD4S3KXwb/I/YCfgEGK155wKbA=; b=XNFdq3WgZKItW2Ac87XtM
 Q5fO1PsUU7ncfRYo/v3oRuC0q9WQ13lf8zA8uAInkPxXJ1OeOUiy5XRQuDnFdTT9
 /uoTuiHeMGTHunoIahKKcywyw0Q6sFA1fY8/f1miyyFDT1KpksaROQLHL11Vs3Xw
 3Y3myS4545SurLtjaYkTfM=
Received: from localhost.localdomain (unknown [124.160.214.152])
 by smtp3 (Coremail) with SMTP id G9xpCgCnTLFZ8i1hWfXxEw--.32489S2;
 Tue, 31 Aug 2021 17:11:56 +0800 (CST)
From: Qiming Chen <chenqiming_huawei@163.com>
To: dev@dpdk.org
Cc: haiyue.wang@intel.com, Qiming Chen <chenqiming_huawei@163.com>,
 stable@dpdk.org
Date: Tue, 31 Aug 2021 17:11:11 +0800
Message-Id: <20210831091111.6879-1-chenqiming_huawei@163.com>
X-Mailer: git-send-email 2.30.1.windows.1
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
X-CM-TRANSID: G9xpCgCnTLFZ8i1hWfXxEw--.32489S2
X-Coremail-Antispam: 1Uf129KBjvdXoWrtr1kAw4xZF4UWF4fWr17Wrg_yoWkXFg_GF
 yIvanrK345Cr10grsxtrWUXFWv9F4jqa1fZw4ag345A34UJrs5K3s3Ary7Zr4UCws29FZx
 Ar17CrWSgay7KjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT
 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUnk9N3UUUUU==
X-Originating-IP: [124.160.214.152]
X-CM-SenderInfo: xfkh01xlpl0w5bkxt4lhl6il2tof0z/1tbiQAYAoFSIj8CT6gAAsM
Subject: [dpdk-stable] [PATCH] net/ixgbe: fix rss max rxtx queue num
X-BeenThere: stable@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: patches for DPDK stable branches <stable.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/stable>,
 <mailto:stable-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/stable/>
List-Post: <mailto:stable@dpdk.org>
List-Help: <mailto:stable-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/stable>,
 <mailto:stable-request@dpdk.org?subject=subscribe>
Errors-To: stable-bounces@dpdk.org
Sender: "stable" <stable-bounces@dpdk.org>

Through the local actual test, it is found that the maximum number of
RSS queues is 16, not 128. Check the chip manual, the register MRQE
has the following description: RSS only-Single set of RSS 16 queues.
It also coincides with the actual test value.

Fixes: abf7275bbaa2 ("ixgbe: move to drivers/net/")
Cc: stable@dpdk.org

Signed-off-by: Qiming Chen <chenqiming_huawei@163.com>
---
 drivers/net/ixgbe/base/ixgbe_82599.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ixgbe/base/ixgbe_82599.c b/drivers/net/ixgbe/base/ixgbe_82599.c
index 69fd4cd3fb..edd63018d1 100644
--- a/drivers/net/ixgbe/base/ixgbe_82599.c
+++ b/drivers/net/ixgbe/base/ixgbe_82599.c
@@ -8,8 +8,8 @@
 #include "ixgbe_common.h"
 #include "ixgbe_phy.h"
 
-#define IXGBE_82599_MAX_TX_QUEUES 128
-#define IXGBE_82599_MAX_RX_QUEUES 128
+#define IXGBE_82599_MAX_TX_QUEUES 16
+#define IXGBE_82599_MAX_RX_QUEUES 16
 #define IXGBE_82599_RAR_ENTRIES   128
 #define IXGBE_82599_MC_TBL_SIZE   128
 #define IXGBE_82599_VFT_TBL_SIZE  128
-- 
2.30.1.windows.1