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authorKarol Kolacinski <karol.kolacinski@intel.com>2023-12-01 21:08:42 +0300
committerPaolo Abeni <pabeni@redhat.com>2023-12-05 13:40:12 +0300
commit1cc5b6eaad92d69fe4d84bbee5c12ee297d56296 (patch)
tree642a18b5c4427aba3bbc5b1e537e55c951407132 /drivers/net/ethernet/intel/ice
parente9fd08a9a7fb98000757ca1971271ec846ea3065 (diff)
downloadlinux-1cc5b6eaad92d69fe4d84bbee5c12ee297d56296.tar.xz
ice: Re-enable timestamping correctly after reset
During reset, TX_TSYN interrupt should be processed as it may process timestamps in brief moments before and after reset. Timestamping should be enabled on VSIs at the end of reset procedure. On ice_get_phy_tx_tstamp_ready error, interrupt should not be rearmed because error only happens on resets. Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_main.c2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ptp.c19
2 files changed, 11 insertions, 10 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 0a7eed9b43a6..a39c2d9bdafe 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3151,7 +3151,7 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
if (oicr & PFINT_OICR_TSYN_TX_M) {
ena_mask &= ~PFINT_OICR_TSYN_TX_M;
- if (!hw->reset_ongoing && ice_ptp_pf_handles_tx_interrupt(pf))
+ if (ice_ptp_pf_handles_tx_interrupt(pf))
set_bit(ICE_MISC_THREAD_TX_TSTAMP, pf->misc_thread);
}
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.c b/drivers/net/ethernet/intel/ice/ice_ptp.c
index 71f405f8a6fe..ac3f24693a50 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.c
@@ -705,7 +705,9 @@ static enum ice_tx_tstamp_work ice_ptp_tx_tstamp_owner(struct ice_pf *pf)
/* Read the Tx ready status first */
err = ice_get_phy_tx_tstamp_ready(&pf->hw, i, &tstamp_ready);
- if (err || tstamp_ready)
+ if (err)
+ break;
+ else if (tstamp_ready)
return ICE_TX_TSTAMP_WORK_PENDING;
}
@@ -2468,12 +2470,10 @@ void ice_ptp_reset(struct ice_pf *pf)
int err, itr = 1;
u64 time_diff;
- if (test_bit(ICE_PFR_REQ, pf->state))
+ if (test_bit(ICE_PFR_REQ, pf->state) ||
+ !ice_pf_src_tmr_owned(pf))
goto pfr;
- if (!ice_pf_src_tmr_owned(pf))
- goto reset_ts;
-
err = ice_ptp_init_phc(hw);
if (err)
goto err;
@@ -2517,10 +2517,6 @@ void ice_ptp_reset(struct ice_pf *pf)
goto err;
}
-reset_ts:
- /* Restart the PHY timestamping block */
- ice_ptp_reset_phy_timestamping(pf);
-
pfr:
/* Init Tx structures */
if (ice_is_e810(&pf->hw)) {
@@ -2536,6 +2532,11 @@ pfr:
set_bit(ICE_FLAG_PTP, pf->flags);
+ /* Restart the PHY timestamping block */
+ if (!test_bit(ICE_PFR_REQ, pf->state) &&
+ ice_pf_src_tmr_owned(pf))
+ ice_ptp_restart_all_phy(pf);
+
/* Start periodic work going */
kthread_queue_delayed_work(ptp->kworker, &ptp->work, 0);