From: Qiming Yang <qiming.yang@intel.com>
To: dev@dpdk.org
Cc: Qiming Yang <qiming.yang@intel.com>, stable@dpdk.org
Subject: [dpdk-dev] [PATCH] net/i40e: fix X722 performance drop
Date: Wed, 26 Feb 2020 17:22:21 +0800 [thread overview]
Message-ID: <20200226092221.85536-1-qiming.yang@intel.com> (raw)
GL_SWR_PM_UP_THR value lack in X722 caused configure register write not be
called. This is the root cause of performance drop. This patch add support
for:
Device-ID Value Comments
0x37D0 0x03030303 4x10G FPK
Fixes: 3320d4a240da ("net/i40e: workaround performance degradation")
Cc: stable@dpdk.org
Signed-off-by: Qiming Yang <qiming.yang@intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 9fbda1c..c09b9b9 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -10504,6 +10504,7 @@ i40e_get_swr_pm_cfg(struct i40e_hw *hw, uint32_t *value)
{ I40E_GL_SWR_PM_EF_DEVICE(I40E_DEV_ID_KX_C) },
{ I40E_GL_SWR_PM_EF_DEVICE(I40E_DEV_ID_10G_BASE_T) },
{ I40E_GL_SWR_PM_EF_DEVICE(I40E_DEV_ID_10G_BASE_T4) },
+ { I40E_GL_SWR_PM_EF_DEVICE(I40E_DEV_ID_SFP_X722) },
{ I40E_GL_SWR_PM_SF_DEVICE(I40E_DEV_ID_KX_B) },
{ I40E_GL_SWR_PM_SF_DEVICE(I40E_DEV_ID_QSFP_A) },
--
2.9.5
next reply other threads:[~2020-02-26 9:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-26 9:22 Qiming Yang [this message]
2020-03-03 1:56 ` Ye Xiaolong
2020-03-03 5:45 ` [dpdk-dev] [PATCH v2] " Qiming Yang
2020-03-03 6:14 ` Ye Xiaolong
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