From a8308a15f48edbb224d3f225121277ef7c2f04b8 Mon Sep 17 00:00:00 2001 From: Diego Casati Date: Sat, 26 Oct 2024 13:34:16 -0700 Subject: [PATCH] ixgbe.4: Add flow director CAVEAT 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 Pull Request: https://github.com/freebsd/freebsd-src/pull/1493 (cherry picked from commit 20b823a59bc7419a6f93ec5097bd5ee524c20981) --- share/man/man4/ixgbe.4 | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/share/man/man4/ixgbe.4 b/share/man/man4/ixgbe.4 index b151d346639..ccdf50cf967 100644 --- a/share/man/man4/ixgbe.4 +++ b/share/man/man4/ixgbe.4 @@ -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.