diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h | 68 |
1 files changed, 63 insertions, 5 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h index 6b6245750e20..fa5f05708e6d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h @@ -10,8 +10,8 @@ #ifndef BNXT_PTP_H #define BNXT_PTP_H -#define BNXT_PTP_GRC_WIN 5 -#define BNXT_PTP_GRC_WIN_BASE 0x5000 +#define BNXT_PTP_GRC_WIN 6 +#define BNXT_PTP_GRC_WIN_BASE 0x6000 #define BNXT_MAX_PHC_DRIFT 31000000 #define BNXT_LO_TIMER_MASK 0x0000ffffffffUL @@ -19,20 +19,77 @@ #define BNXT_PTP_QTS_TIMEOUT 1000 #define BNXT_PTP_QTS_TX_ENABLES (PORT_TS_QUERY_REQ_ENABLES_PTP_SEQ_ID | \ - PORT_TS_QUERY_REQ_ENABLES_TS_REQ_TIMEOUT) + PORT_TS_QUERY_REQ_ENABLES_TS_REQ_TIMEOUT | \ + PORT_TS_QUERY_REQ_ENABLES_PTP_HDR_OFFSET) + +struct pps_pin { + u8 event; + u8 usage; + u8 state; +}; + +#define TSIO_PIN_VALID(pin) ((pin) < (BNXT_MAX_TSIO_PINS)) + +#define EVENT_DATA2_PPS_EVENT_TYPE(data2) \ + ((data2) & ASYNC_EVENT_CMPL_PPS_TIMESTAMP_EVENT_DATA2_EVENT_TYPE) + +#define EVENT_DATA2_PPS_PIN_NUM(data2) \ + (((data2) & \ + ASYNC_EVENT_CMPL_PPS_TIMESTAMP_EVENT_DATA2_PIN_NUMBER_MASK) >>\ + ASYNC_EVENT_CMPL_PPS_TIMESTAMP_EVENT_DATA2_PIN_NUMBER_SFT) + +#define BNXT_DATA2_UPPER_MSK \ + ASYNC_EVENT_CMPL_PPS_TIMESTAMP_EVENT_DATA2_PPS_TIMESTAMP_UPPER_MASK + +#define BNXT_DATA2_UPPER_SFT \ + (32 - \ + ASYNC_EVENT_CMPL_PPS_TIMESTAMP_EVENT_DATA2_PPS_TIMESTAMP_UPPER_SFT) + +#define BNXT_DATA1_LOWER_MSK \ + ASYNC_EVENT_CMPL_PPS_TIMESTAMP_EVENT_DATA1_PPS_TIMESTAMP_LOWER_MASK + +#define BNXT_DATA1_LOWER_SFT \ + ASYNC_EVENT_CMPL_PPS_TIMESTAMP_EVENT_DATA1_PPS_TIMESTAMP_LOWER_SFT + +#define EVENT_PPS_TS(data2, data1) \ + (((u64)((data2) & BNXT_DATA2_UPPER_MSK) << BNXT_DATA2_UPPER_SFT) |\ + (((data1) & BNXT_DATA1_LOWER_MSK) >> BNXT_DATA1_LOWER_SFT)) + +#define BNXT_PPS_PIN_DISABLE 0 +#define BNXT_PPS_PIN_ENABLE 1 +#define BNXT_PPS_PIN_NONE 0 +#define BNXT_PPS_PIN_PPS_IN 1 +#define BNXT_PPS_PIN_PPS_OUT 2 +#define BNXT_PPS_PIN_SYNC_IN 3 +#define BNXT_PPS_PIN_SYNC_OUT 4 + +#define BNXT_PPS_EVENT_INTERNAL 1 +#define BNXT_PPS_EVENT_EXTERNAL 2 + +struct bnxt_pps { + u8 num_pins; +#define BNXT_MAX_TSIO_PINS 4 + struct pps_pin pins[BNXT_MAX_TSIO_PINS]; +}; struct bnxt_ptp_cfg { struct ptp_clock_info ptp_info; struct ptp_clock *ptp_clock; struct cyclecounter cc; struct timecounter tc; + struct bnxt_pps pps_info; /* serialize timecounter access */ spinlock_t ptp_lock; struct sk_buff *tx_skb; u64 current_time; u64 old_time; unsigned long next_period; + unsigned long next_overflow_check; + /* 48-bit PHC overflows in 78 hours. Check overflow every 19 hours. */ + #define BNXT_PHC_OVERFLOW_PERIOD (19 * 3600 * HZ) + u16 tx_seqid; + u16 tx_hdr_off; struct bnxt *bp; atomic_t tx_avail; #define BNXT_MAX_TX_TS 1 @@ -70,12 +127,13 @@ do { \ ((dst) = READ_ONCE(src)) #endif -int bnxt_ptp_parse(struct sk_buff *skb, u16 *seq_id); +int bnxt_ptp_parse(struct sk_buff *skb, u16 *seq_id, u16 *hdr_off); +void bnxt_ptp_pps_event(struct bnxt *bp, u32 data1, u32 data2); +void bnxt_ptp_reapply_pps(struct bnxt *bp); int bnxt_hwtstamp_set(struct net_device *dev, struct ifreq *ifr); int bnxt_hwtstamp_get(struct net_device *dev, struct ifreq *ifr); int bnxt_get_tx_ts_p5(struct bnxt *bp, struct sk_buff *skb); int bnxt_get_rx_ts_p5(struct bnxt *bp, u64 *ts, u32 pkt_ts); -void bnxt_ptp_start(struct bnxt *bp); int bnxt_ptp_init(struct bnxt *bp); void bnxt_ptp_clear(struct bnxt *bp); #endif |