diff options
| author | Andrew Gallatin <gallatin@FreeBSD.org> | 2020-12-19 22:04:46 +0000 |
|---|---|---|
| committer | Andrew Gallatin <gallatin@FreeBSD.org> | 2020-12-19 22:04:46 +0000 |
| commit | a034518ac8793059220af22e6ab25f84c5a6ddb8 (patch) | |
| tree | cdeacb29f82ad8c1a7d63f8f6da2c77827ec1525 /share/man/man4 | |
| parent | 02bc3865aadf1bfd907bbf555e26719744ebf3c9 (diff) | |
Notes
Diffstat (limited to 'share/man/man4')
| -rw-r--r-- | share/man/man4/tcp.4 | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4 index b046c56ef4e6..24b2e2d24d19 100644 --- a/share/man/man4/tcp.4 +++ b/share/man/man4/tcp.4 @@ -34,7 +34,7 @@ .\" From: @(#)tcp.4 8.1 (Berkeley) 6/5/93 .\" $FreeBSD$ .\" -.Dd November 25, 2020 +.Dd December 19, 2020 .Dt TCP 4 .Os .Sh NAME @@ -314,6 +314,21 @@ Enable in-kernel TLS for data read from this socket. See .Xr ktls 4 for more details. +.It Dv TCP_REUSPORT_LB_NUMA +Changes NUMA affinity filtering for an established TCP listen +socket. +This option takes a single integer argument which specifies +the NUMA domain to filter on for this listen socket. +The argument can also have the follwing special values: +.Bl -tag -width "Dv TCP_REUSPORT_LB_NUMA" +.It Dv TCP_REUSPORT_LB_NUMA_NODOM +Remove NUMA filtering for this listen socket. +.It Dv TCP_REUSPORT_LB_NUMA_CURDOM +Filter traffic associated with the domain where the calling thread is +currently executing. +This is typically used after a process or thread inherits a listen +socket from its parent, and sets its CPU affinity to a particular core. +.El .El .Pp The option level for the |