From 81b531cfc235149f68a40842abf0767a4fbfe994 Mon Sep 17 00:00:00 2001 From: Xiaoyun Li Date: Mon, 3 Dec 2018 15:07:46 +0800 Subject: [PATCH] net/i40e: fix using recovery mode firmware Device can't function properly with a firmware that is in recovery mode. Check the firmware status at initialization time. If the firmware is in recovery mode, alert the user to check it. Cc: stable@dpdk.org Signed-off-by: Xiaoyun Li Acked-by: Qi Zhang --- drivers/net/i40e/i40e_ethdev.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index 552a7a566d..f61a12eb2c 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -1273,7 +1273,7 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused) struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct i40e_vsi *vsi; int ret; - uint32_t len; + uint32_t len, val; uint8_t aq_fail = 0; PMD_INIT_FUNC_TRACE(); @@ -1324,6 +1324,15 @@ eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused) */ hw->switch_tag = 0xffff; + val = I40E_READ_REG(hw, I40E_GL_FWSTS); + if (val & I40E_GL_FWSTS_FWS1B_MASK) { + PMD_INIT_LOG(ERR, "\nERROR: " + "Firmware recovery mode detected. Limiting functionality.\n" + "Refer to the Intel(R) Ethernet Adapters and Devices " + "User Guide for details on firmware recovery mode."); + return -EIO; + } + /* Check if need to support multi-driver */ i40e_support_multi_driver(dev); /* Check if users want the latest supported vec path */ -- 2.20.1