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efe58855f3
Combined changes to allow experimentation with net 0/8 (network 0),
240/4 (Experimental/"Class E"), and part of the loopback net 127/8
(all but 127.0/16). All changes are disabled by default, and can be
enabled by the following sysctls:
net.inet.ip.allow_net0=1
net.inet.ip.allow_net240=1
net.inet.ip.loopback_prefixlen=16
When enabled, the corresponding addresses can be used as normal
unicast IP addresses, both as endpoints and when forwarding.
Add descriptions of the new sysctls to inet.4.
Add <machine/param.h> to vnet.h, as CACHE_LINE_SIZE is undefined in
various C files when in.h includes vnet.h.
The proposals motivating this experimentation can be found in
https://datatracker.ietf.org/doc/draft-schoen-intarea-unicast-0
https://datatracker.ietf.org/doc/draft-schoen-intarea-unicast-240
https://datatracker.ietf.org/doc/draft-schoen-intarea-unicast-127
Reviewed by: rgrimes, pauamma_gundo.com; previous versions melifaro, glebius
Differential Revision: https://reviews.freebsd.org/D35741
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| ctypedef | ||
| dict | ||
| doc | ||
| dtrace | ||
| examples | ||
| i18n | ||
| keys | ||
| man | ||
| misc | ||
| mk | ||
| monetdef | ||
| monetdef_unicode | ||
| msgdef | ||
| msgdef_unicode | ||
| numericdef | ||
| numericdef_unicode | ||
| security | ||
| sendmail | ||
| skel | ||
| snmp | ||
| syscons | ||
| tabset | ||
| termcap | ||
| tests | ||
| timedef | ||
| vt | ||
| zoneinfo | ||
| Makefile | ||
| Makefile.inc | ||