#include "en.h"
enum {
- MLX5E_CYCLES_SHIFT = 23
+ MLX5_CYCLES_SHIFT = 23
};
enum {
- MLX5E_PIN_MODE_IN = 0x0,
- MLX5E_PIN_MODE_OUT = 0x1,
+ MLX5_PIN_MODE_IN = 0x0,
+ MLX5_PIN_MODE_OUT = 0x1,
};
enum {
- MLX5E_OUT_PATTERN_PULSE = 0x0,
- MLX5E_OUT_PATTERN_PERIODIC = 0x1,
+ MLX5_OUT_PATTERN_PULSE = 0x0,
+ MLX5_OUT_PATTERN_PERIODIC = 0x1,
};
enum {
- MLX5E_EVENT_MODE_DISABLE = 0x0,
- MLX5E_EVENT_MODE_REPETETIVE = 0x1,
- MLX5E_EVENT_MODE_ONCE_TILL_ARM = 0x2,
+ MLX5_EVENT_MODE_DISABLE = 0x0,
+ MLX5_EVENT_MODE_REPETETIVE = 0x1,
+ MLX5_EVENT_MODE_ONCE_TILL_ARM = 0x2,
};
enum {
- MLX5E_MTPPS_FS_ENABLE = BIT(0x0),
- MLX5E_MTPPS_FS_PATTERN = BIT(0x2),
- MLX5E_MTPPS_FS_PIN_MODE = BIT(0x3),
- MLX5E_MTPPS_FS_TIME_STAMP = BIT(0x4),
- MLX5E_MTPPS_FS_OUT_PULSE_DURATION = BIT(0x5),
- MLX5E_MTPPS_FS_ENH_OUT_PER_ADJ = BIT(0x7),
+ MLX5_MTPPS_FS_ENABLE = BIT(0x0),
+ MLX5_MTPPS_FS_PATTERN = BIT(0x2),
+ MLX5_MTPPS_FS_PIN_MODE = BIT(0x3),
+ MLX5_MTPPS_FS_TIME_STAMP = BIT(0x4),
+ MLX5_MTPPS_FS_OUT_PULSE_DURATION = BIT(0x5),
+ MLX5_MTPPS_FS_ENH_OUT_PER_ADJ = BIT(0x7),
};
-void mlx5e_fill_hwstamp(struct mlx5e_tstamp *tstamp, u64 timestamp,
- struct skb_shared_hwtstamps *hwts)
+static u64 read_internal_timer(const struct cyclecounter *cc)
{
- u64 nsec;
+ struct mlx5_clock *clock = container_of(cc, struct mlx5_clock, cycles);
+ struct mlx5_core_dev *mdev = container_of(clock, struct mlx5_core_dev,
+ clock);
- read_lock(&tstamp->lock);
- nsec = timecounter_cyc2time(&tstamp->clock, timestamp);
- read_unlock(&tstamp->lock);
-
- hwts->hwtstamp = ns_to_ktime(nsec);
-}
-
-static u64 mlx5e_read_internal_timer(const struct cyclecounter *cc)
-{
- struct mlx5e_tstamp *tstamp = container_of(cc, struct mlx5e_tstamp,
- cycles);
-
- return mlx5_read_internal_timer(tstamp->mdev) & cc->mask;
+ return mlx5_read_internal_timer(mdev) & cc->mask;
}
-static void mlx5e_pps_out(struct work_struct *work)
+static void mlx5_pps_out(struct work_struct *work)
{
- struct mlx5e_pps *pps_info = container_of(work, struct mlx5e_pps,
- out_work);
- struct mlx5e_tstamp *tstamp = container_of(pps_info, struct mlx5e_tstamp,
- pps_info);
+ struct mlx5_pps *pps_info = container_of(work, struct mlx5_pps,
+ out_work);
+ struct mlx5_clock *clock = container_of(pps_info, struct mlx5_clock,
+ pps_info);
+ struct mlx5_core_dev *mdev = container_of(clock, struct mlx5_core_dev,
+ clock);
u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
unsigned long flags;
int i;
- for (i = 0; i < tstamp->ptp_info.n_pins; i++) {
+ for (i = 0; i < clock->ptp_info.n_pins; i++) {
u64 tstart;
- write_lock_irqsave(&tstamp->lock, flags);
- tstart = tstamp->pps_info.start[i];
- tstamp->pps_info.start[i] = 0;
- write_unlock_irqrestore(&tstamp->lock, flags);
+ write_lock_irqsave(&clock->lock, flags);
+ tstart = clock->pps_info.start[i];
+ clock->pps_info.start[i] = 0;
+ write_unlock_irqrestore(&clock->lock, flags);
if (!tstart)
continue;
MLX5_SET(mtpps_reg, in, pin, i);
MLX5_SET64(mtpps_reg, in, time_stamp, tstart);
- MLX5_SET(mtpps_reg, in, field_select, MLX5E_MTPPS_FS_TIME_STAMP);
- mlx5_set_mtpps(tstamp->mdev, in, sizeof(in));
+ MLX5_SET(mtpps_reg, in, field_select, MLX5_MTPPS_FS_TIME_STAMP);
+ mlx5_set_mtpps(mdev, in, sizeof(in));
}
}
-static void mlx5e_timestamp_overflow(struct work_struct *work)
+static void mlx5_timestamp_overflow(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
- struct mlx5e_tstamp *tstamp = container_of(dwork, struct mlx5e_tstamp,
- overflow_work);
- struct mlx5e_priv *priv = container_of(tstamp, struct mlx5e_priv, tstamp);
+ struct mlx5_clock *clock = container_of(dwork, struct mlx5_clock,
+ overflow_work);
unsigned long flags;
- write_lock_irqsave(&tstamp->lock, flags);
- timecounter_read(&tstamp->clock);
- write_unlock_irqrestore(&tstamp->lock, flags);
- queue_delayed_work(priv->wq, &tstamp->overflow_work,
- msecs_to_jiffies(tstamp->overflow_period * 1000));
-}
-
-int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr)
-{
- struct hwtstamp_config config;
- int err;
-
- if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
- return -EOPNOTSUPP;
-
- if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
- return -EFAULT;
-
- /* TX HW timestamp */
- switch (config.tx_type) {
- case HWTSTAMP_TX_OFF:
- case HWTSTAMP_TX_ON:
- break;
- default:
- return -ERANGE;
- }
-
- mutex_lock(&priv->state_lock);
- /* RX HW timestamp */
- switch (config.rx_filter) {
- case HWTSTAMP_FILTER_NONE:
- /* Reset CQE compression to Admin default */
- mlx5e_modify_rx_cqe_compression_locked(priv, priv->channels.params.rx_cqe_compress_def);
- break;
- case HWTSTAMP_FILTER_ALL:
- case HWTSTAMP_FILTER_SOME:
- case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
- case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
- case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
- case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
- case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
- case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
- case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
- case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
- case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
- case HWTSTAMP_FILTER_PTP_V2_EVENT:
- case HWTSTAMP_FILTER_PTP_V2_SYNC:
- case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
- case HWTSTAMP_FILTER_NTP_ALL:
- /* Disable CQE compression */
- netdev_warn(priv->netdev, "Disabling cqe compression");
- err = mlx5e_modify_rx_cqe_compression_locked(priv, false);
- if (err) {
- netdev_err(priv->netdev, "Failed disabling cqe compression err=%d\n", err);
- mutex_unlock(&priv->state_lock);
- return err;
- }
- config.rx_filter = HWTSTAMP_FILTER_ALL;
- break;
- default:
- mutex_unlock(&priv->state_lock);
- return -ERANGE;
- }
-
- memcpy(&priv->tstamp.hwtstamp_config, &config, sizeof(config));
- mutex_unlock(&priv->state_lock);
-
- return copy_to_user(ifr->ifr_data, &config,
- sizeof(config)) ? -EFAULT : 0;
-}
-
-int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr)
-{
- struct hwtstamp_config *cfg = &priv->tstamp.hwtstamp_config;
-
- if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
- return -EOPNOTSUPP;
-
- return copy_to_user(ifr->ifr_data, cfg, sizeof(*cfg)) ? -EFAULT : 0;
+ write_lock_irqsave(&clock->lock, flags);
+ timecounter_read(&clock->tc);
+ write_unlock_irqrestore(&clock->lock, flags);
+ schedule_delayed_work(&clock->overflow_work, clock->overflow_period);
}
-static int mlx5e_ptp_settime(struct ptp_clock_info *ptp,
- const struct timespec64 *ts)
+static int mlx5_ptp_settime(struct ptp_clock_info *ptp,
+ const struct timespec64 *ts)
{
- struct mlx5e_tstamp *tstamp = container_of(ptp, struct mlx5e_tstamp,
- ptp_info);
+ struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock,
+ ptp_info);
u64 ns = timespec64_to_ns(ts);
unsigned long flags;
- write_lock_irqsave(&tstamp->lock, flags);
- timecounter_init(&tstamp->clock, &tstamp->cycles, ns);
- write_unlock_irqrestore(&tstamp->lock, flags);
+ write_lock_irqsave(&clock->lock, flags);
+ timecounter_init(&clock->tc, &clock->cycles, ns);
+ write_unlock_irqrestore(&clock->lock, flags);
return 0;
}
-static int mlx5e_ptp_gettime(struct ptp_clock_info *ptp,
- struct timespec64 *ts)
+static int mlx5_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
{
- struct mlx5e_tstamp *tstamp = container_of(ptp, struct mlx5e_tstamp,
- ptp_info);
+ struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock,
+ ptp_info);
u64 ns;
unsigned long flags;
- write_lock_irqsave(&tstamp->lock, flags);
- ns = timecounter_read(&tstamp->clock);
- write_unlock_irqrestore(&tstamp->lock, flags);
+ write_lock_irqsave(&clock->lock, flags);
+ ns = timecounter_read(&clock->tc);
+ write_unlock_irqrestore(&clock->lock, flags);
*ts = ns_to_timespec64(ns);
return 0;
}
-static int mlx5e_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
+static int mlx5_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
{
- struct mlx5e_tstamp *tstamp = container_of(ptp, struct mlx5e_tstamp,
- ptp_info);
+ struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock,
+ ptp_info);
unsigned long flags;
- write_lock_irqsave(&tstamp->lock, flags);
- timecounter_adjtime(&tstamp->clock, delta);
- write_unlock_irqrestore(&tstamp->lock, flags);
+ write_lock_irqsave(&clock->lock, flags);
+ timecounter_adjtime(&clock->tc, delta);
+ write_unlock_irqrestore(&clock->lock, flags);
return 0;
}
-static int mlx5e_ptp_adjfreq(struct ptp_clock_info *ptp, s32 delta)
+static int mlx5_ptp_adjfreq(struct ptp_clock_info *ptp, s32 delta)
{
u64 adj;
u32 diff;
unsigned long flags;
int neg_adj = 0;
- struct mlx5e_tstamp *tstamp = container_of(ptp, struct mlx5e_tstamp,
- ptp_info);
+ struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock,
+ ptp_info);
if (delta < 0) {
neg_adj = 1;
delta = -delta;
}
- adj = tstamp->nominal_c_mult;
+ adj = clock->nominal_c_mult;
adj *= delta;
diff = div_u64(adj, 1000000000ULL);
- write_lock_irqsave(&tstamp->lock, flags);
- timecounter_read(&tstamp->clock);
- tstamp->cycles.mult = neg_adj ? tstamp->nominal_c_mult - diff :
- tstamp->nominal_c_mult + diff;
- write_unlock_irqrestore(&tstamp->lock, flags);
+ write_lock_irqsave(&clock->lock, flags);
+ timecounter_read(&clock->tc);
+ clock->cycles.mult = neg_adj ? clock->nominal_c_mult - diff :
+ clock->nominal_c_mult + diff;
+ write_unlock_irqrestore(&clock->lock, flags);
return 0;
}
-static int mlx5e_extts_configure(struct ptp_clock_info *ptp,
- struct ptp_clock_request *rq,
- int on)
+static int mlx5_extts_configure(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq,
+ int on)
{
- struct mlx5e_tstamp *tstamp =
- container_of(ptp, struct mlx5e_tstamp, ptp_info);
- struct mlx5e_priv *priv =
- container_of(tstamp, struct mlx5e_priv, tstamp);
+ struct mlx5_clock *clock =
+ container_of(ptp, struct mlx5_clock, ptp_info);
+ struct mlx5_core_dev *mdev =
+ container_of(clock, struct mlx5_core_dev, clock);
u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
u32 field_select = 0;
u8 pin_mode = 0;
int pin = -1;
int err = 0;
- if (!MLX5_PPS_CAP(priv->mdev))
+ if (!MLX5_PPS_CAP(mdev))
return -EOPNOTSUPP;
- if (rq->extts.index >= tstamp->ptp_info.n_pins)
+ if (rq->extts.index >= clock->ptp_info.n_pins)
return -EINVAL;
if (on) {
- pin = ptp_find_pin(tstamp->ptp, PTP_PF_EXTTS, rq->extts.index);
+ pin = ptp_find_pin(clock->ptp, PTP_PF_EXTTS, rq->extts.index);
if (pin < 0)
return -EBUSY;
- pin_mode = MLX5E_PIN_MODE_IN;
+ pin_mode = MLX5_PIN_MODE_IN;
pattern = !!(rq->extts.flags & PTP_FALLING_EDGE);
- field_select = MLX5E_MTPPS_FS_PIN_MODE |
- MLX5E_MTPPS_FS_PATTERN |
- MLX5E_MTPPS_FS_ENABLE;
+ field_select = MLX5_MTPPS_FS_PIN_MODE |
+ MLX5_MTPPS_FS_PATTERN |
+ MLX5_MTPPS_FS_ENABLE;
} else {
pin = rq->extts.index;
- field_select = MLX5E_MTPPS_FS_ENABLE;
+ field_select = MLX5_MTPPS_FS_ENABLE;
}
MLX5_SET(mtpps_reg, in, pin, pin);
MLX5_SET(mtpps_reg, in, enable, on);
MLX5_SET(mtpps_reg, in, field_select, field_select);
- err = mlx5_set_mtpps(priv->mdev, in, sizeof(in));
+ err = mlx5_set_mtpps(mdev, in, sizeof(in));
if (err)
return err;
- return mlx5_set_mtppse(priv->mdev, pin, 0,
- MLX5E_EVENT_MODE_REPETETIVE & on);
+ return mlx5_set_mtppse(mdev, pin, 0,
+ MLX5_EVENT_MODE_REPETETIVE & on);
}
-static int mlx5e_perout_configure(struct ptp_clock_info *ptp,
- struct ptp_clock_request *rq,
- int on)
+static int mlx5_perout_configure(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq,
+ int on)
{
- struct mlx5e_tstamp *tstamp =
- container_of(ptp, struct mlx5e_tstamp, ptp_info);
- struct mlx5e_priv *priv =
- container_of(tstamp, struct mlx5e_priv, tstamp);
+ struct mlx5_clock *clock =
+ container_of(ptp, struct mlx5_clock, ptp_info);
+ struct mlx5_core_dev *mdev =
+ container_of(clock, struct mlx5_core_dev, clock);
u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
u64 nsec_now, nsec_delta, time_stamp = 0;
u64 cycles_now, cycles_delta;
int err = 0;
s64 ns;
- if (!MLX5_PPS_CAP(priv->mdev))
+ if (!MLX5_PPS_CAP(mdev))
return -EOPNOTSUPP;
- if (rq->perout.index >= tstamp->ptp_info.n_pins)
+ if (rq->perout.index >= clock->ptp_info.n_pins)
return -EINVAL;
if (on) {
- pin = ptp_find_pin(tstamp->ptp, PTP_PF_PEROUT,
+ pin = ptp_find_pin(clock->ptp, PTP_PF_PEROUT,
rq->perout.index);
if (pin < 0)
return -EBUSY;
- pin_mode = MLX5E_PIN_MODE_OUT;
- pattern = MLX5E_OUT_PATTERN_PERIODIC;
+ pin_mode = MLX5_PIN_MODE_OUT;
+ pattern = MLX5_OUT_PATTERN_PERIODIC;
ts.tv_sec = rq->perout.period.sec;
ts.tv_nsec = rq->perout.period.nsec;
ns = timespec64_to_ns(&ts);
ts.tv_sec = rq->perout.start.sec;
ts.tv_nsec = rq->perout.start.nsec;
ns = timespec64_to_ns(&ts);
- cycles_now = mlx5_read_internal_timer(tstamp->mdev);
- write_lock_irqsave(&tstamp->lock, flags);
- nsec_now = timecounter_cyc2time(&tstamp->clock, cycles_now);
+ cycles_now = mlx5_read_internal_timer(mdev);
+ write_lock_irqsave(&clock->lock, flags);
+ nsec_now = timecounter_cyc2time(&clock->tc, cycles_now);
nsec_delta = ns - nsec_now;
- cycles_delta = div64_u64(nsec_delta << tstamp->cycles.shift,
- tstamp->cycles.mult);
- write_unlock_irqrestore(&tstamp->lock, flags);
+ cycles_delta = div64_u64(nsec_delta << clock->cycles.shift,
+ clock->cycles.mult);
+ write_unlock_irqrestore(&clock->lock, flags);
time_stamp = cycles_now + cycles_delta;
- field_select = MLX5E_MTPPS_FS_PIN_MODE |
- MLX5E_MTPPS_FS_PATTERN |
- MLX5E_MTPPS_FS_ENABLE |
- MLX5E_MTPPS_FS_TIME_STAMP;
+ field_select = MLX5_MTPPS_FS_PIN_MODE |
+ MLX5_MTPPS_FS_PATTERN |
+ MLX5_MTPPS_FS_ENABLE |
+ MLX5_MTPPS_FS_TIME_STAMP;
} else {
pin = rq->perout.index;
- field_select = MLX5E_MTPPS_FS_ENABLE;
+ field_select = MLX5_MTPPS_FS_ENABLE;
}
MLX5_SET(mtpps_reg, in, pin, pin);
MLX5_SET64(mtpps_reg, in, time_stamp, time_stamp);
MLX5_SET(mtpps_reg, in, field_select, field_select);
- err = mlx5_set_mtpps(priv->mdev, in, sizeof(in));
+ err = mlx5_set_mtpps(mdev, in, sizeof(in));
if (err)
return err;
- return mlx5_set_mtppse(priv->mdev, pin, 0,
- MLX5E_EVENT_MODE_REPETETIVE & on);
+ return mlx5_set_mtppse(mdev, pin, 0,
+ MLX5_EVENT_MODE_REPETETIVE & on);
}
-static int mlx5e_pps_configure(struct ptp_clock_info *ptp,
- struct ptp_clock_request *rq,
- int on)
+static int mlx5_pps_configure(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq,
+ int on)
{
- struct mlx5e_tstamp *tstamp =
- container_of(ptp, struct mlx5e_tstamp, ptp_info);
+ struct mlx5_clock *clock =
+ container_of(ptp, struct mlx5_clock, ptp_info);
- tstamp->pps_info.enabled = !!on;
+ clock->pps_info.enabled = !!on;
return 0;
}
-static int mlx5e_ptp_enable(struct ptp_clock_info *ptp,
- struct ptp_clock_request *rq,
- int on)
+static int mlx5_ptp_enable(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq,
+ int on)
{
switch (rq->type) {
case PTP_CLK_REQ_EXTTS:
- return mlx5e_extts_configure(ptp, rq, on);
+ return mlx5_extts_configure(ptp, rq, on);
case PTP_CLK_REQ_PEROUT:
- return mlx5e_perout_configure(ptp, rq, on);
+ return mlx5_perout_configure(ptp, rq, on);
case PTP_CLK_REQ_PPS:
- return mlx5e_pps_configure(ptp, rq, on);
+ return mlx5_pps_configure(ptp, rq, on);
default:
return -EOPNOTSUPP;
}
return 0;
}
-static int mlx5e_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
- enum ptp_pin_function func, unsigned int chan)
+static int mlx5_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
+ enum ptp_pin_function func, unsigned int chan)
{
return (func == PTP_PF_PHYSYNC) ? -EOPNOTSUPP : 0;
}
-static const struct ptp_clock_info mlx5e_ptp_clock_info = {
+static const struct ptp_clock_info mlx5_ptp_clock_info = {
.owner = THIS_MODULE,
+ .name = "mlx5_p2p",
.max_adj = 100000000,
.n_alarm = 0,
.n_ext_ts = 0,
.n_per_out = 0,
.n_pins = 0,
.pps = 0,
- .adjfreq = mlx5e_ptp_adjfreq,
- .adjtime = mlx5e_ptp_adjtime,
- .gettime64 = mlx5e_ptp_gettime,
- .settime64 = mlx5e_ptp_settime,
+ .adjfreq = mlx5_ptp_adjfreq,
+ .adjtime = mlx5_ptp_adjtime,
+ .gettime64 = mlx5_ptp_gettime,
+ .settime64 = mlx5_ptp_settime,
.enable = NULL,
.verify = NULL,
};
-static void mlx5e_timestamp_init_config(struct mlx5e_tstamp *tstamp)
-{
- tstamp->hwtstamp_config.tx_type = HWTSTAMP_TX_OFF;
- tstamp->hwtstamp_config.rx_filter = HWTSTAMP_FILTER_NONE;
-}
-
-static int mlx5e_init_pin_config(struct mlx5e_tstamp *tstamp)
+static int mlx5_init_pin_config(struct mlx5_clock *clock)
{
int i;
- tstamp->ptp_info.pin_config =
- kzalloc(sizeof(*tstamp->ptp_info.pin_config) *
- tstamp->ptp_info.n_pins, GFP_KERNEL);
- if (!tstamp->ptp_info.pin_config)
+ clock->ptp_info.pin_config =
+ kzalloc(sizeof(*clock->ptp_info.pin_config) *
+ clock->ptp_info.n_pins, GFP_KERNEL);
+ if (!clock->ptp_info.pin_config)
return -ENOMEM;
- tstamp->ptp_info.enable = mlx5e_ptp_enable;
- tstamp->ptp_info.verify = mlx5e_ptp_verify;
- tstamp->ptp_info.pps = 1;
+ clock->ptp_info.enable = mlx5_ptp_enable;
+ clock->ptp_info.verify = mlx5_ptp_verify;
+ clock->ptp_info.pps = 1;
- for (i = 0; i < tstamp->ptp_info.n_pins; i++) {
- snprintf(tstamp->ptp_info.pin_config[i].name,
- sizeof(tstamp->ptp_info.pin_config[i].name),
+ for (i = 0; i < clock->ptp_info.n_pins; i++) {
+ snprintf(clock->ptp_info.pin_config[i].name,
+ sizeof(clock->ptp_info.pin_config[i].name),
"mlx5_pps%d", i);
- tstamp->ptp_info.pin_config[i].index = i;
- tstamp->ptp_info.pin_config[i].func = PTP_PF_NONE;
- tstamp->ptp_info.pin_config[i].chan = i;
+ clock->ptp_info.pin_config[i].index = i;
+ clock->ptp_info.pin_config[i].func = PTP_PF_NONE;
+ clock->ptp_info.pin_config[i].chan = i;
}
return 0;
}
-static void mlx5e_get_pps_caps(struct mlx5e_priv *priv,
- struct mlx5e_tstamp *tstamp)
+static void mlx5_get_pps_caps(struct mlx5_core_dev *mdev)
{
+ struct mlx5_clock *clock = &mdev->clock;
u32 out[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
- mlx5_query_mtpps(priv->mdev, out, sizeof(out));
-
- tstamp->ptp_info.n_pins = MLX5_GET(mtpps_reg, out,
- cap_number_of_pps_pins);
- tstamp->ptp_info.n_ext_ts = MLX5_GET(mtpps_reg, out,
- cap_max_num_of_pps_in_pins);
- tstamp->ptp_info.n_per_out = MLX5_GET(mtpps_reg, out,
- cap_max_num_of_pps_out_pins);
-
- tstamp->pps_info.pin_caps[0] = MLX5_GET(mtpps_reg, out, cap_pin_0_mode);
- tstamp->pps_info.pin_caps[1] = MLX5_GET(mtpps_reg, out, cap_pin_1_mode);
- tstamp->pps_info.pin_caps[2] = MLX5_GET(mtpps_reg, out, cap_pin_2_mode);
- tstamp->pps_info.pin_caps[3] = MLX5_GET(mtpps_reg, out, cap_pin_3_mode);
- tstamp->pps_info.pin_caps[4] = MLX5_GET(mtpps_reg, out, cap_pin_4_mode);
- tstamp->pps_info.pin_caps[5] = MLX5_GET(mtpps_reg, out, cap_pin_5_mode);
- tstamp->pps_info.pin_caps[6] = MLX5_GET(mtpps_reg, out, cap_pin_6_mode);
- tstamp->pps_info.pin_caps[7] = MLX5_GET(mtpps_reg, out, cap_pin_7_mode);
+ mlx5_query_mtpps(mdev, out, sizeof(out));
+
+ clock->ptp_info.n_pins = MLX5_GET(mtpps_reg, out,
+ cap_number_of_pps_pins);
+ clock->ptp_info.n_ext_ts = MLX5_GET(mtpps_reg, out,
+ cap_max_num_of_pps_in_pins);
+ clock->ptp_info.n_per_out = MLX5_GET(mtpps_reg, out,
+ cap_max_num_of_pps_out_pins);
+
+ clock->pps_info.pin_caps[0] = MLX5_GET(mtpps_reg, out, cap_pin_0_mode);
+ clock->pps_info.pin_caps[1] = MLX5_GET(mtpps_reg, out, cap_pin_1_mode);
+ clock->pps_info.pin_caps[2] = MLX5_GET(mtpps_reg, out, cap_pin_2_mode);
+ clock->pps_info.pin_caps[3] = MLX5_GET(mtpps_reg, out, cap_pin_3_mode);
+ clock->pps_info.pin_caps[4] = MLX5_GET(mtpps_reg, out, cap_pin_4_mode);
+ clock->pps_info.pin_caps[5] = MLX5_GET(mtpps_reg, out, cap_pin_5_mode);
+ clock->pps_info.pin_caps[6] = MLX5_GET(mtpps_reg, out, cap_pin_6_mode);
+ clock->pps_info.pin_caps[7] = MLX5_GET(mtpps_reg, out, cap_pin_7_mode);
}
-void mlx5e_pps_event_handler(struct mlx5e_priv *priv,
- struct ptp_clock_event *event)
+void mlx5_pps_event(struct mlx5_core_dev *mdev,
+ struct mlx5_eqe *eqe)
{
- struct net_device *netdev = priv->netdev;
- struct mlx5e_tstamp *tstamp = &priv->tstamp;
+ struct mlx5_clock *clock = &mdev->clock;
+ struct ptp_clock_event ptp_event;
struct timespec64 ts;
u64 nsec_now, nsec_delta;
u64 cycles_now, cycles_delta;
- int pin = event->index;
+ int pin = eqe->data.pps.pin;
s64 ns;
unsigned long flags;
- switch (tstamp->ptp_info.pin_config[pin].func) {
+ switch (clock->ptp_info.pin_config[pin].func) {
case PTP_PF_EXTTS:
- if (tstamp->pps_info.enabled) {
- event->type = PTP_CLOCK_PPSUSR;
- event->pps_times.ts_real = ns_to_timespec64(event->timestamp);
+ if (clock->pps_info.enabled) {
+ ptp_event.type = PTP_CLOCK_PPSUSR;
+ ptp_event.pps_times.ts_real = ns_to_timespec64(eqe->data.pps.time_stamp);
} else {
- event->type = PTP_CLOCK_EXTTS;
+ ptp_event.type = PTP_CLOCK_EXTTS;
}
- ptp_clock_event(tstamp->ptp, event);
+ ptp_clock_event(clock->ptp, &ptp_event);
break;
case PTP_PF_PEROUT:
- mlx5e_ptp_gettime(&tstamp->ptp_info, &ts);
- cycles_now = mlx5_read_internal_timer(tstamp->mdev);
+ mlx5_ptp_gettime(&clock->ptp_info, &ts);
+ cycles_now = mlx5_read_internal_timer(mdev);
ts.tv_sec += 1;
ts.tv_nsec = 0;
ns = timespec64_to_ns(&ts);
- write_lock_irqsave(&tstamp->lock, flags);
- nsec_now = timecounter_cyc2time(&tstamp->clock, cycles_now);
+ write_lock_irqsave(&clock->lock, flags);
+ nsec_now = timecounter_cyc2time(&clock->tc, cycles_now);
nsec_delta = ns - nsec_now;
- cycles_delta = div64_u64(nsec_delta << tstamp->cycles.shift,
- tstamp->cycles.mult);
- tstamp->pps_info.start[pin] = cycles_now + cycles_delta;
- queue_work(priv->wq, &tstamp->pps_info.out_work);
- write_unlock_irqrestore(&tstamp->lock, flags);
+ cycles_delta = div64_u64(nsec_delta << clock->cycles.shift,
+ clock->cycles.mult);
+ clock->pps_info.start[pin] = cycles_now + cycles_delta;
+ schedule_work(&clock->pps_info.out_work);
+ write_unlock_irqrestore(&clock->lock, flags);
break;
default:
- netdev_err(netdev, "%s: Unhandled event\n", __func__);
+ mlx5_core_err(mdev, " Unhandled event\n");
}
}
-void mlx5e_timestamp_init(struct mlx5e_priv *priv)
+void mlx5_init_clock(struct mlx5_core_dev *mdev)
{
- struct mlx5e_tstamp *tstamp = &priv->tstamp;
+ struct mlx5_clock *clock = &mdev->clock;
u64 ns;
u64 frac = 0;
u32 dev_freq;
- mlx5e_timestamp_init_config(tstamp);
- dev_freq = MLX5_CAP_GEN(priv->mdev, device_frequency_khz);
+ dev_freq = MLX5_CAP_GEN(mdev, device_frequency_khz);
if (!dev_freq) {
- mlx5_core_warn(priv->mdev, "invalid device_frequency_khz, aborting HW clock init\n");
+ mlx5_core_warn(mdev, "invalid device_frequency_khz, aborting HW clock init\n");
return;
}
- rwlock_init(&tstamp->lock);
- tstamp->cycles.read = mlx5e_read_internal_timer;
- tstamp->cycles.shift = MLX5E_CYCLES_SHIFT;
- tstamp->cycles.mult = clocksource_khz2mult(dev_freq,
- tstamp->cycles.shift);
- tstamp->nominal_c_mult = tstamp->cycles.mult;
- tstamp->cycles.mask = CLOCKSOURCE_MASK(41);
- tstamp->mdev = priv->mdev;
-
- timecounter_init(&tstamp->clock, &tstamp->cycles,
+ rwlock_init(&clock->lock);
+ clock->cycles.read = read_internal_timer;
+ clock->cycles.shift = MLX5_CYCLES_SHIFT;
+ clock->cycles.mult = clocksource_khz2mult(dev_freq,
+ clock->cycles.shift);
+ clock->nominal_c_mult = clock->cycles.mult;
+ clock->cycles.mask = CLOCKSOURCE_MASK(41);
+
+ timecounter_init(&clock->tc, &clock->cycles,
ktime_to_ns(ktime_get_real()));
/* Calculate period in seconds to call the overflow watchdog - to make
* sure counter is checked at least once every wrap around.
*/
- ns = cyclecounter_cyc2ns(&tstamp->cycles, tstamp->cycles.mask,
+ ns = cyclecounter_cyc2ns(&clock->cycles, clock->cycles.mask,
frac, &frac);
do_div(ns, NSEC_PER_SEC / 2 / HZ);
- tstamp->overflow_period = ns;
+ clock->overflow_period = ns;
- INIT_WORK(&tstamp->pps_info.out_work, mlx5e_pps_out);
- INIT_DELAYED_WORK(&tstamp->overflow_work, mlx5e_timestamp_overflow);
- if (tstamp->overflow_period)
- queue_delayed_work(priv->wq, &tstamp->overflow_work, 0);
+ INIT_WORK(&clock->pps_info.out_work, mlx5_pps_out);
+ INIT_DELAYED_WORK(&clock->overflow_work, mlx5_timestamp_overflow);
+ if (clock->overflow_period)
+ schedule_delayed_work(&clock->overflow_work, 0);
else
- mlx5_core_warn(priv->mdev, "invalid overflow period, overflow_work is not scheduled\n");
+ mlx5_core_warn(mdev, "invalid overflow period, overflow_work is not scheduled\n");
/* Configure the PHC */
- tstamp->ptp_info = mlx5e_ptp_clock_info;
- snprintf(tstamp->ptp_info.name, 16, "mlx5 ptp");
+ clock->ptp_info = mlx5_ptp_clock_info;
/* Initialize 1PPS data structures */
- if (MLX5_PPS_CAP(priv->mdev))
- mlx5e_get_pps_caps(priv, tstamp);
- if (tstamp->ptp_info.n_pins)
- mlx5e_init_pin_config(tstamp);
-
- tstamp->ptp = ptp_clock_register(&tstamp->ptp_info,
- &priv->mdev->pdev->dev);
- if (IS_ERR(tstamp->ptp)) {
- mlx5_core_warn(priv->mdev, "ptp_clock_register failed %ld\n",
- PTR_ERR(tstamp->ptp));
- tstamp->ptp = NULL;
+ if (MLX5_PPS_CAP(mdev))
+ mlx5_get_pps_caps(mdev);
+ if (clock->ptp_info.n_pins)
+ mlx5_init_pin_config(clock);
+
+ clock->ptp = ptp_clock_register(&clock->ptp_info,
+ &mdev->pdev->dev);
+ if (IS_ERR(clock->ptp)) {
+ mlx5_core_warn(mdev, "ptp_clock_register failed %ld\n",
+ PTR_ERR(clock->ptp));
+ clock->ptp = NULL;
}
}
-void mlx5e_timestamp_cleanup(struct mlx5e_priv *priv)
+void mlx5_cleanup_clock(struct mlx5_core_dev *mdev)
{
- struct mlx5e_tstamp *tstamp = &priv->tstamp;
+ struct mlx5_clock *clock = &mdev->clock;
- if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz))
+ if (!MLX5_CAP_GEN(mdev, device_frequency_khz))
return;
- if (priv->tstamp.ptp) {
- ptp_clock_unregister(priv->tstamp.ptp);
- priv->tstamp.ptp = NULL;
+ if (clock->ptp) {
+ ptp_clock_unregister(clock->ptp);
+ clock->ptp = NULL;
}
- cancel_work_sync(&tstamp->pps_info.out_work);
- cancel_delayed_work_sync(&tstamp->overflow_work);
- kfree(tstamp->ptp_info.pin_config);
+ cancel_work_sync(&clock->pps_info.out_work);
+ cancel_delayed_work_sync(&clock->overflow_work);
+ kfree(clock->ptp_info.pin_config);
}
projects / linux-2.6-block.git / blobdiff