Hi Dave,
This patch series introduces the support for ConnectX-4 timestamping
and the PTP kernel interface.
First patch fixes a bug in SKB data pointer in device xmit function.
Second patch adds the needed low level helpers for:
- Fetching the hardware clock (hardware internal timer)
- Parsing CQEs timestamps
- Device frequency capability
Added new en_clock.c file that handles all needed timestamping
operations:
- Internal clock structure initialization.
- PTP registration and cleanup.
- PTP callbacks implementation.
Added the needed ioctl for setting/getting the current timestamping
configuration, and used this configuration in RX/TX data path to
fill the SKB with the timestamp.
Eran Ben Elisha (2):
net/mlx5_en: Restore the skb data pointer after xmit is finished
net/mlx5_en: Add HW timestamping (TS) support
drivers/net/ethernet/mellanox/mlx5/core/Kconfig | 1 +
drivers/net/ethernet/mellanox/mlx5/core/Makefile | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en.h | 25 +++
drivers/net/ethernet/mellanox/mlx5/core/en_clock.c | 226 ++++++++++++++++++++
.../net/ethernet/mellanox/mlx5/core/en_ethtool.c | 32 +++
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 103 +++++++++-
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 9 +
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 16 ++
drivers/net/ethernet/mellanox/mlx5/core/main.c | 31 +++
.../net/ethernet/mellanox/mlx5/core/mlx5_core.h | 1 +
include/linux/mlx5/device.h | 20 ++-
include/linux/mlx5/mlx5_ifc.h | 5 +-
12 files changed, 464 insertions(+), 7 deletions(-)
create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en_clock.c
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