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891dc0821d
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> |
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| .. | ||
| e1000 | ||
| e1000e | ||
| igb | ||
| igbvf | ||
| ixgb | ||
| ixgbe | ||
| ixgbevf | ||
| e100.c | ||
| Kconfig | ||
| Makefile | ||