diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_type.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_type.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h index 9b80962ff92f..4474dd6a7ba1 100644 --- a/drivers/net/ethernet/intel/ice/ice_type.h +++ b/drivers/net/ethernet/intel/ice/ice_type.h @@ -630,6 +630,80 @@ struct ice_fw_log_cfg { struct ice_fw_log_evnt evnts[ICE_AQC_FW_LOG_ID_MAX]; }; +/* Enum defining the different states of the mailbox snapshot in the + * PF-VF mailbox overflow detection algorithm. The snapshot can be in + * states: + * 1. ICE_MAL_VF_DETECT_STATE_NEW_SNAPSHOT - generate a new static snapshot + * within the mailbox buffer. + * 2. ICE_MAL_VF_DETECT_STATE_TRAVERSE - iterate through the mailbox snaphot + * 3. ICE_MAL_VF_DETECT_STATE_DETECT - track the messages sent per VF via the + * mailbox and mark any VFs sending more messages than the threshold limit set. + * 4. ICE_MAL_VF_DETECT_STATE_INVALID - Invalid mailbox state set to 0xFFFFFFFF. + */ +enum ice_mbx_snapshot_state { + ICE_MAL_VF_DETECT_STATE_NEW_SNAPSHOT = 0, + ICE_MAL_VF_DETECT_STATE_TRAVERSE, + ICE_MAL_VF_DETECT_STATE_DETECT, + ICE_MAL_VF_DETECT_STATE_INVALID = 0xFFFFFFFF, +}; + +/* Structure to hold information of the static snapshot and the mailbox + * buffer data used to generate and track the snapshot. + * 1. state: the state of the mailbox snapshot in the malicious VF + * detection state handler ice_mbx_vf_state_handler() + * 2. head: head of the mailbox snapshot in a circular mailbox buffer + * 3. tail: tail of the mailbox snapshot in a circular mailbox buffer + * 4. num_iterations: number of messages traversed in circular mailbox buffer + * 5. num_msg_proc: number of messages processed in mailbox + * 6. num_pending_arq: number of pending asynchronous messages + * 7. max_num_msgs_mbx: maximum messages in mailbox for currently + * serviced work item or interrupt. + */ +struct ice_mbx_snap_buffer_data { + enum ice_mbx_snapshot_state state; + u32 head; + u32 tail; + u32 num_iterations; + u16 num_msg_proc; + u16 num_pending_arq; + u16 max_num_msgs_mbx; +}; + +/* Structure to track messages sent by VFs on mailbox: + * 1. vf_cntr: a counter array of VFs to track the number of + * asynchronous messages sent by each VF + * 2. vfcntr_len: number of entries in VF counter array + */ +struct ice_mbx_vf_counter { + u32 *vf_cntr; + u32 vfcntr_len; +}; + +/* Structure to hold data relevant to the captured static snapshot + * of the PF-VF mailbox. + */ +struct ice_mbx_snapshot { + struct ice_mbx_snap_buffer_data mbx_buf; + struct ice_mbx_vf_counter mbx_vf; +}; + +/* Structure to hold data to be used for capturing or updating a + * static snapshot. + * 1. num_msg_proc: number of messages processed in mailbox + * 2. num_pending_arq: number of pending asynchronous messages + * 3. max_num_msgs_mbx: maximum messages in mailbox for currently + * serviced work item or interrupt. + * 4. async_watermark_val: An upper threshold set by caller to determine + * if the pending arq count is large enough to assume that there is + * the possibility of a mailicious VF. + */ +struct ice_mbx_data { + u16 num_msg_proc; + u16 num_pending_arq; + u16 max_num_msgs_mbx; + u16 async_watermark_val; +}; + /* Port hardware description */ struct ice_hw { u8 __iomem *hw_addr; @@ -761,6 +835,7 @@ struct ice_hw { DECLARE_BITMAP(fdir_perfect_fltr, ICE_FLTR_PTYPE_MAX); struct mutex rss_locks; /* protect RSS configuration */ struct list_head rss_list_head; + struct ice_mbx_snapshot mbx_snapshot; }; /* Statistics collected by each port, VSI, VEB, and S-channel */ |