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| author | np <np@FreeBSD.org> | 2017-05-24 20:28:48 +0000 |
|---|---|---|
| committer | np <np@FreeBSD.org> | 2017-05-24 20:28:48 +0000 |
| commit | 1c878f6dccad75e42cfea6ee8f5bd0a8514267e9 (patch) | |
| tree | 64dbc249061d7c3d2275934df7b3caf3dd18b680 /share/man | |
| parent | 9c53a85fd3138705758a103e4243dba37ee7302c (diff) | |
| download | FreeBSD-src-1c878f6dccad75e42cfea6ee8f5bd0a8514267e9.zip FreeBSD-src-1c878f6dccad75e42cfea6ee8f5bd0a8514267e9.tar.gz | |
MFC r313318:
cxgbe(4): Allow tunables that control the number of queues to be set to
'-n' to tell the driver to create _up to_ 'n' queues if enough cores are
available. For example, setting hw.cxgbe.nrxq10g="-32" will result in
16 queues if the system has 16 cores, 32 if it has 32.
There is no change in the default number of queues of any type.
Sponsored by: Chelsio Communications
Diffstat (limited to 'share/man')
| -rw-r--r-- | share/man/man4/cxgbe.4 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/share/man/man4/cxgbe.4 b/share/man/man4/cxgbe.4 index 2a01a65..9ee9f84 100644 --- a/share/man/man4/cxgbe.4 +++ b/share/man/man4/cxgbe.4 @@ -167,6 +167,10 @@ Tunables can be set at the .Xr loader 8 prompt before booting the kernel or stored in .Xr loader.conf 5 . +There are multiple tunables that control the number of queues of various +types. +A negative value for such a tunable instructs the driver to create +up to that many queues if there are enough CPU cores available. .Bl -tag -width indent .It Va hw.cxgbe.ntxq10g Number of tx queues used for a 10Gb or higher-speed port. |
