Bug 207261 - NETMAP don't do TX sync with kqueue
Summary: NETMAP don't do TX sync with kqueue
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: 10.2-STABLE
Hardware: amd64 Any
: --- Affects Some People
Assignee: freebsd-net mailing list
Depends on:
Reported: 2016-02-16 21:25 UTC by slw
Modified: 2019-01-10 22:23 UTC (History)
4 users (show)

See Also:


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Description slw 2016-02-16 21:25:52 UTC
NETMAP with kevent don't do TX sync w/o next hack:

1. first register event EVFILT_WRITE with EV_DISABLE
2. second, after update tx ring, add event EVFILT_WRITE with EV_DISPATCH
Comment 1 Vincenzo Maffione freebsd_committer 2019-01-10 22:23:51 UTC
Can you:
  - specify which FreeBSD version you are using
  - specify which netmap port are you opening (ixgbe? ixl? em? vale?, ...)
  - provide a code snippet that shows the problem