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i40e: Display error message if module does not meet thermal requirements 

This patch causes error message to be displayed when NIC detects
insertion of module that does not meet thermal requirements.

Signed-off-by: Filip Sadowski <filip.sadowski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Filip Sadowski 2017-08-29 05:32:37 -04:00 committed by Jeff Kirsher
parent 7f66182263
commit 9a858178ef
4 changed files with 22 additions and 5 deletions
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1
drivers/net/ethernet/intel/i40e/i40e.h
View File

@ -451,6 +451,7 @@ struct i40e_pf {
#define I40E_FLAG_CLIENT_RESET BIT_ULL(54)
#define I40E_FLAG_TEMP_LINK_POLLING BIT_ULL(55)
#define I40E_FLAG_CLIENT_L2_CHANGE BIT_ULL(56)
#define I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED BIT_ULL(57)
#define I40E_FLAG_LEGACY_RX BIT_ULL(58)
#define I40E_FLAG_SOURCE_PRUNING_DISABLED BIT_ULL(59)

1
drivers/net/ethernet/intel/i40e/i40e_adminq_cmd.h
View File

@ -1772,6 +1772,7 @@ enum i40e_aq_phy_type {
I40E_PHY_TYPE_25GBASE_SR = 0x21,
I40E_PHY_TYPE_25GBASE_LR = 0x22,
I40E_PHY_TYPE_MAX,
I40E_PHY_TYPE_NOT_SUPPORTED_HIGH_TEMP = 0xFD,
I40E_PHY_TYPE_EMPTY = 0xFE,
I40E_PHY_TYPE_DEFAULT = 0xFF,
};

24
drivers/net/ethernet/intel/i40e/i40e_main.c
View File

@ -6558,12 +6558,26 @@ static void i40e_handle_link_event(struct i40e_pf *pf,
*/
i40e_link_event(pf);
/* check for unqualified module, if link is down */
if ((status->link_info & I40E_AQ_MEDIA_AVAILABLE) &&
(!(status->an_info & I40E_AQ_QUALIFIED_MODULE)) &&
(!(status->link_info & I40E_AQ_LINK_UP)))
/* Check if module meets thermal requirements */
if (status->phy_type == I40E_PHY_TYPE_NOT_SUPPORTED_HIGH_TEMP) {
dev_err(&pf->pdev->dev,
"The driver failed to link because an unqualified module was detected.\n");
"Rx/Tx is disabled on this device because the module does not meet thermal requirements.\n");
dev_err(&pf->pdev->dev,
"Refer to the Intel(R) Ethernet Adapters and Devices User Guide for a list of supported modules.\n");
} else {
/* check for unqualified module, if link is down, suppress
* the message if link was forced to be down.
*/
if ((status->link_info & I40E_AQ_MEDIA_AVAILABLE) &&
(!(status->an_info & I40E_AQ_QUALIFIED_MODULE)) &&
(!(status->link_info & I40E_AQ_LINK_UP)) &&
(!(pf->flags & I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED))) {
dev_err(&pf->pdev->dev,
"Rx/Tx is disabled on this device because an unsupported SFP module type was detected.\n");
dev_err(&pf->pdev->dev,
"Refer to the Intel(R) Ethernet Adapters and Devices User Guide for a list of supported modules.\n");
}
}
}
/**

1
drivers/net/ethernet/intel/i40evf/i40e_adminq_cmd.h
View File

@ -1768,6 +1768,7 @@ enum i40e_aq_phy_type {
I40E_PHY_TYPE_25GBASE_SR = 0x21,
I40E_PHY_TYPE_25GBASE_LR = 0x22,
I40E_PHY_TYPE_MAX,
I40E_PHY_TYPE_NOT_SUPPORTED_HIGH_TEMP = 0xFD,
I40E_PHY_TYPE_EMPTY = 0xFE,
I40E_PHY_TYPE_DEFAULT = 0xFF,
};