diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ptp.c | 74 |
1 files changed, 71 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c index d63161d73eb1..ac6f06f9a2ed 100644 --- a/drivers/net/ethernet/intel/ice/ice_ptp.c +++ b/drivers/net/ethernet/intel/ice/ice_ptp.c @@ -680,6 +680,7 @@ static bool ice_ptp_tx_tstamp(struct ice_ptp_tx *tx) struct ice_pf *pf; struct ice_hw *hw; u64 tstamp_ready; + bool link_up; int err; u8 idx; @@ -695,11 +696,14 @@ static bool ice_ptp_tx_tstamp(struct ice_ptp_tx *tx) if (err) return false; + /* Drop packets if the link went down */ + link_up = ptp_port->link_up; + for_each_set_bit(idx, tx->in_use, tx->len) { struct skb_shared_hwtstamps shhwtstamps = {}; u8 phy_idx = idx + tx->offset; u64 raw_tstamp = 0, tstamp; - bool drop_ts = false; + bool drop_ts = !link_up; struct sk_buff *skb; /* Drop packets which have waited for more than 2 seconds */ @@ -728,7 +732,7 @@ static bool ice_ptp_tx_tstamp(struct ice_ptp_tx *tx) ice_trace(tx_tstamp_fw_req, tx->tstamps[idx].skb, idx); err = ice_read_phy_tstamp(hw, tx->block, phy_idx, &raw_tstamp); - if (err) + if (err && !drop_ts) continue; ice_trace(tx_tstamp_fw_done, tx->tstamps[idx].skb, idx); @@ -1770,6 +1774,38 @@ ice_ptp_gpio_enable_e810(struct ptp_clock_info *info, } /** + * ice_ptp_gpio_enable_e823 - Enable/disable ancillary features of PHC + * @info: the driver's PTP info structure + * @rq: The requested feature to change + * @on: Enable/disable flag + */ +static int ice_ptp_gpio_enable_e823(struct ptp_clock_info *info, + struct ptp_clock_request *rq, int on) +{ + struct ice_pf *pf = ptp_info_to_pf(info); + struct ice_perout_channel clk_cfg = {0}; + int err; + + switch (rq->type) { + case PTP_CLK_REQ_PPS: + clk_cfg.gpio_pin = PPS_PIN_INDEX; + clk_cfg.period = NSEC_PER_SEC; + clk_cfg.ena = !!on; + + err = ice_ptp_cfg_clkout(pf, PPS_CLK_GEN_CHAN, &clk_cfg, true); + break; + case PTP_CLK_REQ_EXTTS: + err = ice_ptp_cfg_extts(pf, !!on, rq->extts.index, + TIME_SYNC_PIN_INDEX, rq->extts.flags); + break; + default: + return -EOPNOTSUPP; + } + + return err; +} + +/** * ice_ptp_gettimex64 - Get the time of the clock * @info: the driver's PTP info structure * @ts: timespec64 structure to hold the current time value @@ -2221,6 +2257,19 @@ ice_ptp_setup_pins_e810(struct ice_pf *pf, struct ptp_clock_info *info) } /** + * ice_ptp_setup_pins_e823 - Setup PTP pins in sysfs + * @pf: pointer to the PF instance + * @info: PTP clock capabilities + */ +static void +ice_ptp_setup_pins_e823(struct ice_pf *pf, struct ptp_clock_info *info) +{ + info->pps = 1; + info->n_per_out = 0; + info->n_ext_ts = 1; +} + +/** * ice_ptp_set_funcs_e822 - Set specialized functions for E822 support * @pf: Board private structure * @info: PTP info to fill @@ -2258,6 +2307,23 @@ ice_ptp_set_funcs_e810(struct ice_pf *pf, struct ptp_clock_info *info) } /** + * ice_ptp_set_funcs_e823 - Set specialized functions for E823 support + * @pf: Board private structure + * @info: PTP info to fill + * + * Assign functions to the PTP capabiltiies structure for E823 devices. + * Functions which operate across all device families should be set directly + * in ice_ptp_set_caps. Only add functions here which are distinct for e823 + * devices. + */ +static void +ice_ptp_set_funcs_e823(struct ice_pf *pf, struct ptp_clock_info *info) +{ + info->enable = ice_ptp_gpio_enable_e823; + ice_ptp_setup_pins_e823(pf, info); +} + +/** * ice_ptp_set_caps - Set PTP capabilities * @pf: Board private structure */ @@ -2269,7 +2335,7 @@ static void ice_ptp_set_caps(struct ice_pf *pf) snprintf(info->name, sizeof(info->name) - 1, "%s-%s-clk", dev_driver_string(dev), dev_name(dev)); info->owner = THIS_MODULE; - info->max_adj = 999999999; + info->max_adj = 100000000; info->adjtime = ice_ptp_adjtime; info->adjfine = ice_ptp_adjfine; info->gettimex64 = ice_ptp_gettimex64; @@ -2277,6 +2343,8 @@ static void ice_ptp_set_caps(struct ice_pf *pf) if (ice_is_e810(&pf->hw)) ice_ptp_set_funcs_e810(pf, info); + else if (ice_is_e823(&pf->hw)) + ice_ptp_set_funcs_e823(pf, info); else ice_ptp_set_funcs_e822(pf, info); } |