diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_tsn.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_tsn.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.h b/drivers/net/ethernet/intel/igc/igc_tsn.h index 98ec845a86bf..c2a77229207b 100644 --- a/drivers/net/ethernet/intel/igc/igc_tsn.h +++ b/drivers/net/ethernet/intel/igc/igc_tsn.h @@ -4,9 +4,61 @@ #ifndef _IGC_TSN_H_ #define _IGC_TSN_H_ +#define IGC_RX_MIN_FRAG_SIZE 60 +#define SMD_FRAME_SIZE 60 + +enum igc_txd_popts_type { + SMD_V = 0x01, + SMD_R = 0x02, +}; + +DECLARE_STATIC_KEY_FALSE(igc_fpe_enabled); + +void igc_fpe_init(struct igc_adapter *adapter); +u32 igc_fpe_get_supported_frag_size(u32 frag_size); int igc_tsn_offload_apply(struct igc_adapter *adapter); int igc_tsn_reset(struct igc_adapter *adapter); void igc_tsn_adjust_txtime_offset(struct igc_adapter *adapter); bool igc_tsn_is_taprio_activated_by_user(struct igc_adapter *adapter); +static inline bool igc_fpe_is_pmac_enabled(struct igc_adapter *adapter) +{ + return static_branch_unlikely(&igc_fpe_enabled) && + adapter->fpe.mmsv.pmac_enabled; +} + +static inline bool igc_fpe_handle_mpacket(struct igc_adapter *adapter, + union igc_adv_rx_desc *rx_desc, + unsigned int size, void *pktbuf) +{ + u32 status_error = le32_to_cpu(rx_desc->wb.upper.status_error); + int smd; + + smd = FIELD_GET(IGC_RXDADV_STAT_SMD_TYPE_MASK, status_error); + if (smd != IGC_RXD_STAT_SMD_TYPE_V && smd != IGC_RXD_STAT_SMD_TYPE_R) + return false; + + if (size == SMD_FRAME_SIZE && mem_is_zero(pktbuf, SMD_FRAME_SIZE)) { + struct ethtool_mmsv *mmsv = &adapter->fpe.mmsv; + enum ethtool_mmsv_event event; + + if (smd == IGC_RXD_STAT_SMD_TYPE_V) + event = ETHTOOL_MMSV_LP_SENT_VERIFY_MPACKET; + else + event = ETHTOOL_MMSV_LP_SENT_RESPONSE_MPACKET; + + ethtool_mmsv_event_handle(mmsv, event); + } + + return true; +} + +static inline bool igc_fpe_transmitted_smd_v(union igc_adv_tx_desc *tx_desc) +{ + u32 olinfo_status = le32_to_cpu(tx_desc->read.olinfo_status); + u8 smd = FIELD_GET(IGC_TXD_POPTS_SMD_MASK, olinfo_status); + + return smd == SMD_V; +} + #endif /* _IGC_BASE_H */ |