diff options
Diffstat (limited to 'drivers/net/ethernet/microchip/sparx5/sparx5_main.h')
| -rw-r--r-- | drivers/net/ethernet/microchip/sparx5/sparx5_main.h | 69 |
1 files changed, 67 insertions, 2 deletions
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h index d40e18ce3293..df68a0891029 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h @@ -14,6 +14,8 @@ #include <linux/if_vlan.h> #include <linux/bitmap.h> #include <linux/phylink.h> +#include <linux/net_tstamp.h> +#include <linux/ptp_clock_kernel.h> #include <linux/hrtimer.h> #include "sparx5_main_regs.h" @@ -79,6 +81,18 @@ enum sparx5_vlan_port_type { #define FDMA_RX_DCB_MAX_DBS 15 #define FDMA_TX_DCB_MAX_DBS 1 +#define SPARX5_PHC_COUNT 3 +#define SPARX5_PHC_PORT 0 + +#define IFH_REW_OP_NOOP 0x0 +#define IFH_REW_OP_ONE_STEP_PTP 0x3 +#define IFH_REW_OP_TWO_STEP_PTP 0x4 + +#define IFH_PDU_TYPE_NONE 0x0 +#define IFH_PDU_TYPE_PTP 0x5 +#define IFH_PDU_TYPE_IPV4_UDP_PTP 0x6 +#define IFH_PDU_TYPE_IPV6_UDP_PTP 0x7 + struct sparx5; struct sparx5_db_hw { @@ -167,9 +181,12 @@ struct sparx5_port { enum sparx5_port_max_tags max_vlan_tags; enum sparx5_vlan_port_type vlan_type; u32 custom_etype; - u32 ifh[IFH_LEN]; bool vlan_aware; struct hrtimer inj_timer; + /* ptp */ + u8 ptp_cmd; + u16 ts_id; + struct sk_buff_head tx_skbs; }; enum sparx5_core_clockfreq { @@ -179,6 +196,26 @@ enum sparx5_core_clockfreq { SPX5_CORE_CLOCK_625MHZ, /* 625MHZ core clock frequency */ }; +struct sparx5_phc { + struct ptp_clock *clock; + struct ptp_clock_info info; + struct hwtstamp_config hwtstamp_config; + struct sparx5 *sparx5; + u8 index; +}; + +struct sparx5_skb_cb { + u8 rew_op; + u8 pdu_type; + u8 pdu_w16_offset; + u16 ts_id; + unsigned long jiffies; +}; + +#define SPARX5_PTP_TIMEOUT msecs_to_jiffies(10) +#define SPARX5_SKB_CB(skb) \ + ((struct sparx5_skb_cb *)((skb)->cb)) + struct sparx5 { struct platform_device *pdev; struct device *dev; @@ -226,6 +263,14 @@ struct sparx5 { int fdma_irq; struct sparx5_rx rx; struct sparx5_tx tx; + /* PTP */ + bool ptp; + struct sparx5_phc phc[SPARX5_PHC_COUNT]; + spinlock_t ptp_clock_lock; /* lock for phc */ + spinlock_t ptp_ts_id_lock; /* lock for ts_id */ + struct mutex ptp_lock; /* lock for ptp interface state */ + u16 ptp_skbs; + int ptp_irq; }; /* sparx5_switchdev.c */ @@ -235,6 +280,7 @@ void sparx5_unregister_notifier_blocks(struct sparx5 *sparx5); /* sparx5_packet.c */ struct frame_info { int src_port; + u32 timestamp; }; void sparx5_xtr_flush(struct sparx5 *sparx5, u8 grp); @@ -259,7 +305,8 @@ bool sparx5_mact_getnext(struct sparx5 *sparx5, int sparx5_mact_forget(struct sparx5 *sparx5, const unsigned char mac[ETH_ALEN], u16 vid); int sparx5_add_mact_entry(struct sparx5 *sparx5, - struct sparx5_port *port, + struct net_device *dev, + u16 portno, const unsigned char *addr, u16 vid); int sparx5_del_mact_entry(struct sparx5 *sparx5, const unsigned char *addr, @@ -288,12 +335,30 @@ void sparx5_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *stats int sparx_stats_init(struct sparx5 *sparx5); /* sparx5_netdev.c */ +void sparx5_set_port_ifh_timestamp(void *ifh_hdr, u64 timestamp); +void sparx5_set_port_ifh_rew_op(void *ifh_hdr, u32 rew_op); +void sparx5_set_port_ifh_pdu_type(void *ifh_hdr, u32 pdu_type); +void sparx5_set_port_ifh_pdu_w16_offset(void *ifh_hdr, u32 pdu_w16_offset); +void sparx5_set_port_ifh(void *ifh_hdr, u16 portno); bool sparx5_netdevice_check(const struct net_device *dev); struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno); int sparx5_register_netdevs(struct sparx5 *sparx5); void sparx5_destroy_netdevs(struct sparx5 *sparx5); void sparx5_unregister_netdevs(struct sparx5 *sparx5); +/* sparx5_ptp.c */ +int sparx5_ptp_init(struct sparx5 *sparx5); +void sparx5_ptp_deinit(struct sparx5 *sparx5); +int sparx5_ptp_hwtstamp_set(struct sparx5_port *port, struct ifreq *ifr); +int sparx5_ptp_hwtstamp_get(struct sparx5_port *port, struct ifreq *ifr); +void sparx5_ptp_rxtstamp(struct sparx5 *sparx5, struct sk_buff *skb, + u64 timestamp); +int sparx5_ptp_txtstamp_request(struct sparx5_port *port, + struct sk_buff *skb); +void sparx5_ptp_txtstamp_release(struct sparx5_port *port, + struct sk_buff *skb); +irqreturn_t sparx5_ptp_irq_handler(int irq, void *args); + /* Clock period in picoseconds */ static inline u32 sparx5_clk_period(enum sparx5_core_clockfreq cclock) { |