K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2018-01-30T23:01:37.247139Z
K 7
svn:log
V 411
Export tcp_always_keepalive for use by the Chelsio TOM module.

This used to work by accident with ld.bfd even though always_keepalive
was marked as static. LLD honors static more correctly, so export this
variable properly (including moving it into the tcp_* namespace).

Reviewed by:	bz, emaste
MFC after:	2 weeks
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D14129

END