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| author | Ryan Zezeski <ryan@zinascii.com> | 2020-06-29 07:02:58 -0600 |
|---|---|---|
| committer | Dan McDonald <danmcd@joyent.com> | 2020-07-13 13:15:41 -0400 |
| commit | 88628b1bc8bd723915686a0f84bd0461ec80e590 (patch) | |
| tree | 11cdb5d4bc4f305d2178984932c32ddb20f0b497 /usr/src/man/man7d | |
| parent | 2509632a43b285708c172d4221818e8b79cea126 (diff) | |
| download | illumos-gate-88628b1bc8bd723915686a0f84bd0461ec80e590.tar.gz | |
12913 i40e want configurable num_rx_groups
Reviewed by: Paul Winder <paul@winder.uk.net>
Reviewed by: Randy Fishel <randyf@sibernet.com>
Reviewed by: Robert Mustacchi <rm@fingolfin.org>
Approved by: Dan McDonald <danmcd@joyent.com>
Diffstat (limited to 'usr/src/man/man7d')
| -rw-r--r-- | usr/src/man/man7d/i40e.7d | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/usr/src/man/man7d/i40e.7d b/usr/src/man/man7d/i40e.7d index c5ba043149..fd666dcb65 100644 --- a/usr/src/man/man7d/i40e.7d +++ b/usr/src/man/man7d/i40e.7d @@ -10,8 +10,9 @@ .\" .\" .\" Copyright (c) 2018 Joyent, Inc. +.\" Copyright 2020 Ryan Zezeski .\" -.Dd April 15, 2020 +.Dd July 1, 2020 .Dt I40E 7D .Os .Sh NAME @@ -157,6 +158,25 @@ for the device. The default is always to enable them. It is not recommended to to disable them. .Ed +.It Sy rx_num_groups +.Bd -filled -compact +Minimum: +.Sy 1 | +Maximum: +.Sy 32 +.Ed +.Bd -filled +The +.Sy rx_num_groups +property determines the number of receive mac groups provided by the driver. +Each group can handle all unicast traffic for a single MAC address, more groups +means more unicast traffic that can be steered by hardware. +However, more groups also means more demand for kernel memory. +If you are not making heavy use of VNICs, or do not need the efficiency gains +of hardware steering, then reducing this number can reduce kernel memory +taken by +.Nm i40e. +.Ed .It Sy rx_ring_size .Bd -filled -compact Minimum: |