[dpdk-dev] [[PATCH v3 0/4] pdump HW Rx timestamps for mlx5

[Patrick Keroulas]

The intention is to produce a pcap with nanosecond precision when
Rx timestamp offloading is activated on mlx5 NIC.

The packets forwarded by testpmd hold the raw counter but a pcap
requires a time unit. Assuming that the NIC clock is already synced
with external master clock, this patchset simply integrates the
nanosecond converter that derives from device frequency and start time.

v2 -> v3:
    - replace ib_verbs nanosecond converter with more generic method
      based on device frequency and start time.

Patrick Keroulas (3):
  net/mlx5: query device frequency
  ethdev: add API to query device frequency
  pdump: convert timestamp to nanoseconds on Rx path

Vivien Didelot (1):
  net/pcap: support hardware Tx timestamps

 doc/guides/rel_notes/release_20_08.rst   |  1 +
 drivers/common/mlx5/mlx5_devx_cmds.c     |  2 ++
 drivers/common/mlx5/mlx5_devx_cmds.h     |  1 +
 drivers/net/mlx5/linux/mlx5_ethdev_os.c  | 22 ++++++++++++++++
 drivers/net/mlx5/linux/mlx5_os.c         |  1 +
 drivers/net/mlx5/mlx5.h                  |  1 +
 drivers/net/pcap/rte_eth_pcap.c          | 32 +++++++++++++-----------
 lib/librte_ethdev/rte_ethdev.c           | 12 +++++++++
 lib/librte_ethdev/rte_ethdev.h           | 17 +++++++++++++
 lib/librte_ethdev/rte_ethdev_core.h      |  5 ++++
 lib/librte_ethdev/rte_ethdev_version.map |  2 ++
 lib/librte_pdump/rte_pdump.c             | 27 ++++++++++++++++++++
 12 files changed, 109 insertions(+), 14 deletions(-)

-- 
2.17.1