diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 7618834b149b..a7e212d1caa2 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -543,6 +543,28 @@ struct i40e_pf { #define I40E_FLAG_DISABLE_FW_LLDP BIT(24) #define I40E_FLAG_RS_FEC BIT(25) #define I40E_FLAG_BASE_R_FEC BIT(26) +/* TOTAL_PORT_SHUTDOWN + * Allows to physically disable the link on the NIC's port. + * If enabled, (after link down request from the OS) + * no link, traffic or led activity is possible on that port. + * + * If I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED is set, the + * I40E_FLAG_LINK_DOWN_ON_CLOSE_ENABLED must be explicitly forced to true + * and cannot be disabled by system admin at that time. + * The functionalities are exclusive in terms of configuration, but they also + * have similar behavior (allowing to disable physical link of the port), + * with following differences: + * - LINK_DOWN_ON_CLOSE_ENABLED is configurable at host OS run-time and is + * supported by whole family of 7xx Intel Ethernet Controllers + * - TOTAL_PORT_SHUTDOWN may be enabled only before OS loads (in BIOS) + * only if motherboard's BIOS and NIC's FW has support of it + * - when LINK_DOWN_ON_CLOSE_ENABLED is used, the link is being brought down + * by sending phy_type=0 to NIC's FW + * - when TOTAL_PORT_SHUTDOWN is used, phy_type is not altered, instead + * the link is being brought down by clearing bit (I40E_AQ_PHY_ENABLE_LINK) + * in abilities field of i40e_aq_set_phy_config structure + */ +#define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED BIT(27) struct i40e_client_instance *cinst; bool stat_offsets_loaded; |