linux_dsm_epyc7002/drivers/net/ethernet/intel/ixgbe
Jacob Keller 891dc0821d ixgbe: Add ptp work item to poll for the Tx timestamp
This patch copies the igb implementation of Tx timestamps, which uses a work
item to poll for the Tx timestamp. In addition it adds a timeout value of 15
seconds, after which it will stop polling.

This is necessary due to an issue with the descriptor being marked done before
the Tx timestamp event has occurred. These two events don't correlate, so using
the done bit on the descriptor as indication that the timestamp must already
have been taken leads to potentially dropped Tx timestamps (especially under
heavy packet load)

Reported-by: Matthew Vick <matthew.vick@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-01-23 14:33:28 -08:00
..
ixgbe_82598.c ixgbe: Update link flow control to correctly handle multiple packet buffer DCB 2012-05-04 03:25:24 -07:00
ixgbe_82599.c ixgbe: Use is_valid_ether_addr 2012-12-06 21:31:06 -08:00
ixgbe_common.c ixgbe: Use is_valid_ether_addr 2012-12-06 21:31:06 -08:00
ixgbe_common.h ixgbe: Use is_valid_ether_addr 2012-12-06 21:31:06 -08:00
ixgbe_dcb_82598.c ixgbe: Clean up priority based flow control 2012-05-09 22:15:40 -07:00
ixgbe_dcb_82598.h ixgbe: update copyright to 2012 2012-02-03 03:05:30 -08:00
ixgbe_dcb_82599.c ixgbe: Clean up priority based flow control 2012-05-09 22:15:40 -07:00
ixgbe_dcb_82599.h ixgbe: update copyright to 2012 2012-02-03 03:05:30 -08:00
ixgbe_dcb_nl.c ixgbe: SR-IOV: dynamic IEEE DCBx default priority changes 2013-01-19 03:35:15 -08:00
ixgbe_dcb.c ixgbe: Use num_tcs.pg_tcs as upper limit for TC when checking based on UP 2012-07-21 16:05:28 -07:00
ixgbe_dcb.h ixgbe: Populate the prio_tc_map in ixgbe_setup_tc 2012-07-14 14:29:19 -07:00
ixgbe_debugfs.c ixgbe: eliminate Smatch warnings in ixgbe_debugfs.c 2012-12-01 02:29:19 -08:00
ixgbe_ethtool.c ixgbe: add missing supported filters to get_ts_info 2013-01-23 14:32:57 -08:00
ixgbe_fcoe.c ixgbe: Update ixgbe Tx flags to improve code efficiency 2013-01-19 04:13:45 -08:00
ixgbe_fcoe.h ixgbe: Make FCoE allocation and configuration closer to how rings work 2012-07-19 18:18:49 -07:00
ixgbe_lib.c ixgbe: fix default setting of TXDCTL.WTHRESH 2012-11-01 02:00:10 -07:00
ixgbe_main.c ixgbe: Add ptp work item to poll for the Tx timestamp 2013-01-23 14:33:28 -08:00
ixgbe_mbx.c ixgbe: update copyright to 2012 2012-02-03 03:05:30 -08:00
ixgbe_mbx.h ixgbe: Add support for GET_QUEUES message to get DCB configuration 2012-10-22 21:14:54 -07:00
ixgbe_phy.c ixgbe: add support for 1G SX modules 2012-06-20 01:37:04 -07:00
ixgbe_phy.h ixgbe: update copyright to 2012 2012-02-03 03:05:30 -08:00
ixgbe_ptp.c ixgbe: Add ptp work item to poll for the Tx timestamp 2013-01-23 14:33:28 -08:00
ixgbe_sriov.c ixgbe: SR-IOV: dynamic IEEE DCBx default priority changes 2013-01-19 03:35:15 -08:00
ixgbe_sriov.h ixgbe: SR-IOV: dynamic IEEE DCBx default priority changes 2013-01-19 03:35:15 -08:00
ixgbe_sysfs.c drivers/net/ethernet: Fix (nearly-)kernel-doc comments for various functions 2012-07-10 23:13:46 -07:00
ixgbe_type.h ixgbe: check whether thermal sensor is enabled. 2012-12-06 21:38:38 -08:00
ixgbe_x540.c ixgbe: Use is_valid_ether_addr 2012-12-06 21:31:06 -08:00
ixgbe.h ixgbe: Add ptp work item to poll for the Tx timestamp 2013-01-23 14:33:28 -08:00
Makefile ptp: Enable clock drivers along with associated net/PHY drivers 2012-11-01 11:35:18 -04:00