diff options
| author |   deraadt <deraadt@openbsd.org> | 2000-01-03 19:06:56 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2000-01-03 19:06:56 +0000 |
| commit | edccaf06ad36b0c443e6376d30ab461d3f5c8ffd (patch) | |
| tree | 6d30ae80ee0ffb0bd187bf2da974fb4b38775c8d | |
| parent | Chase down the IPv6 header chain to find the right place swap the Next (diff) | |
| download | wireguard-openbsd-edccaf06ad36b0c443e6376d30ab461d3f5c8ffd.tar.xz wireguard-openbsd-edccaf06ad36b0c443e6376d30ab461d3f5c8ffd.zip | |
cannot really adjust MCLSHIFT
| -rw-r--r-- | share/man/man4/options.4 | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/share/man/man4/options.4 b/share/man/man4/options.4 index ddee11c050a..4493dd2eedd 100644 --- a/share/man/man4/options.4 +++ b/share/man/man4/options.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: options.4,v 1.43 1999/12/31 19:36:12 provos Exp $ +.\" $OpenBSD: options.4,v 1.44 2000/01/03 19:06:56 deraadt Exp $ .\" $NetBSD: options.4,v 1.21 1997/06/25 03:13:00 thorpej Exp $ .\" .\" Copyright (c) 1998 Theo de Raadt @@ -564,22 +564,6 @@ Includes support for the TCP/IP protocol stack. This option is currently required. See .Xr inet 4 for details. -.It Cd option MCLSHIFT=value -This option is the base-2 logarithm of the size of mbuf clusters. The -BSD networking stack keeps network packets in a linked list, or chain, -of kernel buffer objects called mbufs. The system provides larger mbuf -clusters as an optimization for large packets, instead of using long -chains for large packets. The mbuf cluster size, or -.Em MCLBYTES, -must be a power of two, and is computed as two raised to the power -.Em MCLSHIFT. -On systems with Ethernet network adaptors, -.Em MCLSHIFT -is often set to 11, giving 2048-byte mbuf clusters, large enough to -hold a 1500-byte Ethernet frame in a single cluster. Systems with -networks supporting larger frame sizes like ATM, FDDI, or HIPPI may -perform better with MCLSHIFT set to 12 or 13, giving mbuf cluster -sizes of 4096 and 8192 bytes, respectively. .It Cd option NS Include support for the Xerox XNS protocol stack. See .Xr ns 4 |