From 61db421da31b6fb3767df46c9963e87f2a1d2418 Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Thu, 1 Apr 2021 10:56:04 -0700 Subject: [PATCH] ionic: link in the new hw timestamp code These are changes to compile and link the new code, but no new feature support is available or advertised yet. Signed-off-by: Allen Hubbe Signed-off-by: Shannon Nelson Signed-off-by: David S. Miller --- drivers/net/ethernet/pensando/ionic/Makefile | 1 + drivers/net/ethernet/pensando/ionic/ionic.h | 4 ++ .../net/ethernet/pensando/ionic/ionic_dev.c | 2 + .../net/ethernet/pensando/ionic/ionic_dev.h | 1 + .../net/ethernet/pensando/ionic/ionic_lif.c | 25 +++++++ .../net/ethernet/pensando/ionic/ionic_lif.h | 72 +++++++++++++++++++ .../net/ethernet/pensando/ionic/ionic_main.c | 2 + 7 files changed, 107 insertions(+) diff --git a/drivers/net/ethernet/pensando/ionic/Makefile b/drivers/net/ethernet/pensando/ionic/Makefile index 8d3c2d3cb10d..4e7642a2d25f 100644 --- a/drivers/net/ethernet/pensando/ionic/Makefile +++ b/drivers/net/ethernet/pensando/ionic/Makefile @@ -6,3 +6,4 @@ obj-$(CONFIG_IONIC) := ionic.o ionic-y := ionic_main.o ionic_bus_pci.o ionic_devlink.o ionic_dev.o \ ionic_debugfs.o ionic_lif.o ionic_rx_filter.o ionic_ethtool.o \ ionic_txrx.o ionic_stats.o ionic_fw.o +ionic-$(CONFIG_PTP_1588_CLOCK) += ionic_phc.o diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h index 18e92103c711..66204106f83e 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic.h +++ b/drivers/net/ethernet/pensando/ionic/ionic.h @@ -20,6 +20,10 @@ struct ionic_lif; #define DEVCMD_TIMEOUT 10 +#define IONIC_PHC_UPDATE_NS 10000000000 /* 10s in nanoseconds */ +#define NORMAL_PPB 1000000000 /* one billion parts per billion */ +#define SCALED_PPM (1000000ull << 16) /* 2^16 million parts per 2^16 million */ + struct ionic_vf { u16 index; u8 macaddr[6]; diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c index 0e8e88c69e1c..1dfe962e22e0 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c @@ -79,6 +79,8 @@ int ionic_dev_setup(struct ionic *ionic) idev->intr_status = bar->vaddr + IONIC_BAR0_INTR_STATUS_OFFSET; idev->intr_ctrl = bar->vaddr + IONIC_BAR0_INTR_CTRL_OFFSET; + idev->hwstamp_regs = &idev->dev_info_regs->hwstamp; + sig = ioread32(&idev->dev_info_regs->signature); if (sig != IONIC_DEV_INFO_SIGNATURE) { dev_err(dev, "Incompatible firmware signature %x", sig); diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h index 25c52c042246..28994e01fa0a 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h @@ -136,6 +136,7 @@ struct ionic_devinfo { struct ionic_dev { union ionic_dev_info_regs __iomem *dev_info_regs; union ionic_dev_cmd_regs __iomem *dev_cmd_regs; + struct ionic_hwstamp_regs __iomem *hwstamp_regs; atomic_long_t last_check_time; unsigned long last_hb_time; diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 9a61b2bbb652..ced80de4d92a 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -830,6 +830,31 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq) return 0; } +int ionic_lif_create_hwstamp_txq(struct ionic_lif *lif) +{ + return 0; +} + +int ionic_lif_create_hwstamp_rxq(struct ionic_lif *lif) +{ + return 0; +} + +int ionic_lif_config_hwstamp_rxq_all(struct ionic_lif *lif, bool rx_all) +{ + return 0; +} + +int ionic_lif_set_hwstamp_txmode(struct ionic_lif *lif, u16 txstamp_mode) +{ + return 0; +} + +int ionic_lif_set_hwstamp_rxfilt(struct ionic_lif *lif, u64 pkt_class) +{ + return 0; +} + static bool ionic_notifyq_service(struct ionic_cq *cq, struct ionic_cq_info *cq_info) { diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h index 93d3058aed77..ea3b086af179 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h @@ -4,6 +4,9 @@ #ifndef _IONIC_LIF_H_ #define _IONIC_LIF_H_ +#include +#include +#include #include #include #include "ionic_rx_filter.h" @@ -36,6 +39,8 @@ struct ionic_tx_stats { u64 crc32_csum; u64 sg_cntr[IONIC_MAX_NUM_SG_CNTR]; u64 dma_map_err; + u64 hwstamp_valid; + u64 hwstamp_invalid; }; struct ionic_rx_stats { @@ -49,6 +54,8 @@ struct ionic_rx_stats { u64 csum_error; u64 dma_map_err; u64 alloc_err; + u64 hwstamp_valid; + u64 hwstamp_invalid; }; #define IONIC_QCQ_F_INITED BIT(0) @@ -125,6 +132,10 @@ struct ionic_lif_sw_stats { u64 rx_csum_none; u64 rx_csum_complete; u64 rx_csum_error; + u64 tx_hwstamp_valid; + u64 tx_hwstamp_invalid; + u64 rx_hwstamp_valid; + u64 rx_hwstamp_invalid; u64 hw_tx_dropped; u64 hw_rx_dropped; u64 hw_rx_over_errors; @@ -158,6 +169,8 @@ struct ionic_qtype_info { u16 sg_desc_stride; }; +struct ionic_phc; + #define IONIC_LIF_NAME_MAX_SZ 32 struct ionic_lif { struct net_device *netdev; @@ -170,8 +183,10 @@ struct ionic_lif { struct ionic_qcq *adminqcq; struct ionic_qcq *notifyqcq; struct ionic_qcq **txqcqs; + struct ionic_qcq *hwstamp_txq; struct ionic_tx_stats *txqstats; struct ionic_qcq **rxqcqs; + struct ionic_qcq *hwstamp_rxq; struct ionic_rx_stats *rxqstats; struct ionic_deferred deferred; struct work_struct tx_timeout_work; @@ -214,9 +229,29 @@ struct ionic_lif { unsigned long *dbid_inuse; unsigned int dbid_count; + struct ionic_phc *phc; + struct dentry *dentry; }; +struct ionic_phc { + spinlock_t lock; /* lock for cc and tc */ + struct cyclecounter cc; + struct timecounter tc; + + struct mutex config_lock; /* lock for ts_config */ + struct hwtstamp_config ts_config; + u64 ts_config_rx_filt; + u32 ts_config_tx_mode; + + u32 init_cc_mult; + long aux_work_delay; + + struct ptp_clock_info ptp_info; + struct ptp_clock *ptp; + struct ionic_lif *lif; +}; + struct ionic_queue_params { unsigned int nxqs; unsigned int ntxq_descs; @@ -265,6 +300,43 @@ void ionic_lif_unregister(struct ionic_lif *lif); int ionic_lif_identify(struct ionic *ionic, u8 lif_type, union ionic_lif_identity *lif_ident); int ionic_lif_size(struct ionic *ionic); + +#if IS_ENABLED(CONFIG_PTP_1588_CLOCK) +int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr); +int ionic_lif_hwstamp_get(struct ionic_lif *lif, struct ifreq *ifr); +ktime_t ionic_lif_phc_ktime(struct ionic_lif *lif, u64 counter); +void ionic_lif_register_phc(struct ionic_lif *lif); +void ionic_lif_unregister_phc(struct ionic_lif *lif); +void ionic_lif_alloc_phc(struct ionic_lif *lif); +void ionic_lif_free_phc(struct ionic_lif *lif); +#else +static inline int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr) +{ + return -EOPNOTSUPP; +} + +static inline int ionic_lif_hwstamp_get(struct ionic_lif *lif, struct ifreq *ifr) +{ + return -EOPNOTSUPP; +} + +static inline ktime_t ionic_lif_phc_ktime(struct ionic_lif *lif, u64 counter) +{ + return ns_to_ktime(0); +} + +static inline void ionic_lif_register_phc(struct ionic_lif *lif) {} +static inline void ionic_lif_unregister_phc(struct ionic_lif *lif) {} +static inline void ionic_lif_alloc_phc(struct ionic_lif *lif) {} +static inline void ionic_lif_free_phc(struct ionic_lif *lif) {} +#endif + +int ionic_lif_create_hwstamp_txq(struct ionic_lif *lif); +int ionic_lif_create_hwstamp_rxq(struct ionic_lif *lif); +int ionic_lif_config_hwstamp_rxq_all(struct ionic_lif *lif, bool rx_all); +int ionic_lif_set_hwstamp_txmode(struct ionic_lif *lif, u16 txstamp_mode); +int ionic_lif_set_hwstamp_rxfilt(struct ionic_lif *lif, u64 pkt_class); + int ionic_lif_rss_config(struct ionic_lif *lif, u16 types, const u8 *key, const u32 *indir); int ionic_reconfigure_queues(struct ionic_lif *lif, diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c index 8c27fbe0e312..61cfe2120817 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_main.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c @@ -148,6 +148,8 @@ static const char *ionic_opcode_to_str(enum ionic_cmd_opcode opcode) return "IONIC_CMD_LIF_SETATTR"; case IONIC_CMD_LIF_GETATTR: return "IONIC_CMD_LIF_GETATTR"; + case IONIC_CMD_LIF_SETPHC: + return "IONIC_CMD_LIF_SETPHC"; case IONIC_CMD_RX_MODE_SET: return "IONIC_CMD_RX_MODE_SET"; case IONIC_CMD_RX_FILTER_ADD: