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ixgbe.4: Add flow director CAVEAT

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Flow-director support is not fully implemented and will cause
errors if enabled. Mention this in the ixgbe(4) manual.

PR:		202663
Co-authored-by:	Alexander Ziaee <concussious@runbox.com>
Pull Request:	https://github.com/freebsd/freebsd-src/pull/1493

(cherry picked from commit 20b823a59bc7419a6f93ec5097bd5ee524c20981)
This commit is contained in:
Diego Casati 2024-10-26 13:34:16 -07:00 committed by Kevin Bowling
parent ee373c1234
commit a8308a15f4
1 changed files with 8 additions and 0 deletions
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8
share/man/man4/ixgbe.4
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@ -124,3 +124,11 @@ The
.Nm
driver was written by
.An Intel Corporation Aq Mt freebsd@intel.com .
.Sh CAVEATS
Intel (R) Flow director support is not fully implemented in
.Fx
at this time and additional work is required
before those features can be supported.
.Pp
Enabling flow director may route traffic to the wrong RX queue of the NIC,
resulting in sub-optimal performance on the receive side.