linux-kernel - [PATCH 5.4 41/60] hinic: fix a bug of rss configuration

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Message-Id: <20200319123932.644875281@linuxfoundation.org>
Date:   Thu, 19 Mar 2020 14:04:19 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Luo bin <luobin9@...wei.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 41/60] hinic: fix a bug of rss configuration

From: Luo bin <luobin9@...wei.com>

[ Upstream commit 386d4716fd91869e07c731657f2cde5a33086516 ]

should use real receive queue number to configure hw rss
indirect table rather than maximal queue number

Signed-off-by: Luo bin <luobin9@...wei.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/huawei/hinic/hinic_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c
index 2411ad270c98e..42d00b049c6e8 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_main.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c
@@ -356,7 +356,8 @@ static void hinic_enable_rss(struct hinic_dev *nic_dev)
 	if (!num_cpus)
 		num_cpus = num_online_cpus();
 
-	nic_dev->num_qps = min_t(u16, nic_dev->max_qps, num_cpus);
+	nic_dev->num_qps = hinic_hwdev_num_qps(hwdev);
+	nic_dev->num_qps = min_t(u16, nic_dev->num_qps, num_cpus);
 
 	nic_dev->rss_limit = nic_dev->num_qps;
 	nic_dev->num_rss = nic_dev->num_qps;
-- 
2.20.1