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| author | Jacob Keller <jacob.e.keller@intel.com> | 2022-07-27 16:15:59 -0700 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2022-08-16 09:04:38 -0700 |
| commit | f020481be540cfed4747b966e5c603299856f291 (patch) | |
| tree | 20b24385bb244e91968c131516f192a8304f77d3 /drivers/net/ethernet/intel/ice/ice_txrx.c | |
| parent | cf6b82fd3fbc8f747333ef5005798a90b5345bd4 (diff) | |
| download | linux-stable-f020481be540cfed4747b966e5c603299856f291.tar.gz linux-stable-f020481be540cfed4747b966e5c603299856f291.tar.bz2 linux-stable-f020481be540cfed4747b966e5c603299856f291.zip | |
ice: track Tx timestamp stats similar to other Intel drivers
Several Intel networking drivers which support PTP track when Tx timestamps
are skipped or when they timeout without a timestamp from hardware. The
conditions which could cause these events are rare, but it can be useful to
know when and how often they occur.
Implement similar statistics for the ice driver, tx_hwtstamp_skipped,
tx_hwtstamp_timeouts, and tx_hwtstamp_flushed.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_txrx.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index 836dce840712..42b42f4b21ef 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -2255,8 +2255,10 @@ ice_tstamp(struct ice_tx_ring *tx_ring, struct sk_buff *skb, /* Grab an open timestamp slot */ idx = ice_ptp_request_ts(tx_ring->tx_tstamps, skb); - if (idx < 0) + if (idx < 0) { + tx_ring->vsi->back->ptp.tx_hwtstamp_skipped++; return; + } off->cd_qw1 |= (u64)(ICE_TX_DESC_DTYPE_CTX | (ICE_TX_CTX_DESC_TSYN << ICE_TXD_CTX_QW1_CMD_S) | |