[Bug 248494] if_vmx(4) duplicate packets in netmap mode
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Thu Aug 6 21:33:29 UTC 2020
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248494
--- Comment #2 from commit-hook at FreeBSD.org ---
A commit references this bug:
Author: vmaffione
Date: Thu Aug 6 21:32:26 UTC 2020
New revision: 363996
URL: https://svnweb.freebsd.org/changeset/base/363996
Log:
iflib: netmap: don't increment ifl_cidx on the wrong free list
Netmap only uses free list 0 to keep it consistent with its
one-to-one mapping between each netmap ring and a device RX
(or TX) queue.
However, the current iflib_netmap_rxsync() routine was
mistakenly updating the ifl_cidx field of both free lists.
PR: 248494
MFC after: 2 weeks
Changes:
head/sys/net/iflib.c
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