diff options
Diffstat (limited to 'drivers/net/dsa/sja1105/sja1105_ptp.h')
| -rw-r--r-- | drivers/net/dsa/sja1105/sja1105_ptp.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.h b/drivers/net/dsa/sja1105/sja1105_ptp.h index 3ae6b9fdd492..416461ee95d2 100644 --- a/drivers/net/dsa/sja1105/sja1105_ptp.h +++ b/drivers/net/dsa/sja1105/sja1105_ptp.h @@ -8,6 +8,21 @@ #if IS_ENABLED(CONFIG_NET_DSA_SJA1105_PTP) +/* Timestamps are in units of 8 ns clock ticks (equivalent to + * a fixed 125 MHz clock). + */ +#define SJA1105_TICK_NS 8 + +static inline s64 ns_to_sja1105_ticks(s64 ns) +{ + return ns / SJA1105_TICK_NS; +} + +static inline s64 sja1105_ticks_to_ns(s64 ticks) +{ + return ticks * SJA1105_TICK_NS; +} + /* Calculate the first base_time in the future that satisfies this * relationship: * @@ -62,6 +77,10 @@ struct sja1105_ptp_data { struct timer_list extts_timer; /* Used only on SJA1105 to reconstruct partial timestamps */ struct sk_buff_head skb_rxtstamp_queue; + /* Used on SJA1110 where meta frames are generated only for + * 2-step TX timestamps + */ + struct sk_buff_head skb_txtstamp_queue; struct ptp_clock_info caps; struct ptp_clock *clock; struct sja1105_ptp_cmd cmd; @@ -112,6 +131,9 @@ bool sja1105_rxtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb); bool sja1110_rxtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb); void sja1110_txtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb); +void sja1110_process_meta_tstamp(struct dsa_switch *ds, int port, u8 ts_id, + enum sja1110_meta_tstamp dir, u64 tstamp); + #else struct sja1105_ptp_cmd; @@ -178,6 +200,8 @@ static inline int sja1105_ptp_commit(struct dsa_switch *ds, #define sja1110_rxtstamp NULL #define sja1110_txtstamp NULL +#define sja1110_process_meta_tstamp NULL + #endif /* IS_ENABLED(CONFIG_NET_DSA_SJA1105_PTP) */ #endif /* _SJA1105_PTP_H */ |