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From: Guinan Sun <guinanx.sun@intel.com>
To: dev@dpdk.org
Cc: Beilei Xing <beilei.xing@intel.com>, Qi Zhang <qi.z.zhang@intel.com>,
Qiming Yang <qiming.yang@intel.com>, Guinan Sun <guinanx.sun@intel.com>,
Dawid Lukwinski <dawid.lukwinski@intel.com>
Date: Sat, 5 Sep 2020 02:49:36 +0000
Message-Id: <20200905024938.14609-8-guinanx.sun@intel.com>
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Subject: [dpdk-dev] [PATCH 7/9] net/i40e/base: add EEE LPI status check for
X722 adapters
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Add reading LPI (low power idle) status for supported X722 devices.
If adapter's PHY supports EEE in current mode (device ID + link speed),
LPI status is read from PHY Clause 45 PCS status register.
Signed-off-by: Dawid Lukwinski <dawid.lukwinski@intel.com>
Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
---
drivers/net/i40e/base/i40e_common.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/net/i40e/base/i40e_common.c b/drivers/net/i40e/base/i40e_common.c
index cd8b27e40..073634278 100644
--- a/drivers/net/i40e/base/i40e_common.c
+++ b/drivers/net/i40e/base/i40e_common.c
@@ -7098,15 +7098,23 @@ enum i40e_status_code i40e_get_phy_lpi_status(struct i40e_hw *hw,
struct i40e_hw_port_stats *stat)
{
enum i40e_status_code ret = I40E_SUCCESS;
+ bool eee_mrvl_phy;
+ bool eee_bcm_phy;
u32 val;
stat->rx_lpi_status = 0;
stat->tx_lpi_status = 0;
- if ((hw->device_id == I40E_DEV_ID_10G_BASE_T_BC ||
- hw->device_id == I40E_DEV_ID_5G_BASE_T_BC) &&
- (hw->phy.link_info.link_speed == I40E_LINK_SPEED_2_5GB ||
- hw->phy.link_info.link_speed == I40E_LINK_SPEED_5GB)) {
+ eee_bcm_phy =
+ (hw->device_id == I40E_DEV_ID_10G_BASE_T_BC ||
+ hw->device_id == I40E_DEV_ID_5G_BASE_T_BC) &&
+ (hw->phy.link_info.link_speed == I40E_LINK_SPEED_2_5GB ||
+ hw->phy.link_info.link_speed == I40E_LINK_SPEED_5GB);
+ eee_mrvl_phy =
+ hw->device_id == I40E_DEV_ID_1G_BASE_T_X722;
+
+ if (eee_bcm_phy || eee_mrvl_phy) {
+ // read Clause 45 PCS Status 1 register
ret = i40e_aq_get_phy_register(hw,
I40E_AQ_PHY_REG_ACCESS_EXTERNAL,
I40E_BCM_PHY_PCS_STATUS1_PAGE,
--
2.17.1