[dpdk-dev] [PATCH v3 13/15] net/i40e/base: add EEE LPI status check for X722 adapters
From: Guinan Sun <hidden>
Date: 2020-09-03 04:57:31
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> Signed-off-by: Guinan Sun <redacted> --- 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