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igbvf: add tx_timeout_count to ethtool statistics

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Add `tx_timeout_count` to ethtool statistics to provide visibility into
transmit timeout events, bringing igbvf in line with other Intel
ethernet drivers.

Currently `tx_timeout_count` is incremented in igbvf_watchdog_task() and
igbvf_tx_timeout() but is not exposed to userspace nor used elsewhere in
the driver.

Before:
  # ethtool -S ens5 | grep tx
       tx_packets: 43
       tx_bytes: 4408
       tx_restart_queue: 0

After:
  # ethtool -S ens5 | grep tx
       tx_packets: 41
       tx_bytes: 4241
       tx_restart_queue: 0
       tx_timeout_count: 0

Tested-by: Kohei Enju <enjuk@amazon.com>
Signed-off-by: Kohei Enju <enjuk@amazon.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Kohei Enju
2025-06-13 01:16:26 +09:00
committed by Tony Nguyen
parent 9ebca2374d
commit a31cb447b5
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/intel/igbvf/ethtool.c
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@@ -33,6 +33,7 @@ static const struct igbvf_stats igbvf_gstrings_stats[] = {
{ "lbrx_bytes", IGBVF_STAT(stats.gorlbc, stats.base_gorlbc) },
{ "lbrx_packets", IGBVF_STAT(stats.gprlbc, stats.base_gprlbc) },
{ "tx_restart_queue", IGBVF_STAT(restart_queue, zero_base) },
{ "tx_timeout_count", IGBVF_STAT(tx_timeout_count, zero_base) },
{ "rx_long_byte_count", IGBVF_STAT(stats.gorc, stats.base_gorc) },
{ "rx_csum_offload_good", IGBVF_STAT(hw_csum_good, zero_base) },
{ "rx_csum_offload_errors", IGBVF_STAT(hw_csum_err, zero_base) },