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net/i40e: fix using recovery mode firmware

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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 <xiaoyun.li@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Xiaoyun Li 2018-12-03 15:07:46 +08:00 committed by Ferruh Yigit
parent b8ffdcc0ba
commit 81b531cfc2
1 changed files with 10 additions and 1 deletions
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11
drivers/net/i40e/i40e_ethdev.c
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@ -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 */