MFC r334277, r334376, r334378 and r334418:

MFV r333789: libpcap 1.9.0 (pre-release)

- Update local copy of dlt.h with new DLT types.

Sponsored by: Mellanox Technologies

MFC r313695, r313760, r314769, r314863, r314865, r316125

r313695:
MFV r313676: libpcap 1.8.1

r313760:
MFV r313759: license change for a few headers (4 clause BSD to 3 clause BSD).

X-MFC-with: r313695

r314769:
Remove compatibility with old libpcap.

Differential Revision: https://reviews.freebsd.org/D9606

r314863:
Stop installing pcap-int.h, which is the internal interface for libpcap.

Reference: https://github.com/the-tcpdump-group/libpcap/issues/560
PR: 217221

r314865:
Bump __FreeBSD_version for removal of pcap-int.h.

PR: 217221

r316125:
MFV r316124: Fix build when WITHOUT_INET6.

Reported by: Randy Westlund <rwestlun gmail com>

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

MFV r276759: libpcap 1.6.2.

MFC after: 1 month

MFV: libpcap 1.4.0.

MFC after: 4 weeks

Fix typo: s/pakcet/packet

Merge libpcap-1.1.1.

Merge libpcap 1.0.0.

This commit was generated by cvs2svn to compensate for changes in r147894,
which included commits to RCS files with non-trunk default branches.

Virgin import of libpcap v0.9.1 (release) from tcpdump.org

Approved by: re (scottl)

Virgin import of libpcap v0.9.1 (alpha 096) from tcpdump.org

Import libpcap 0.8.3, from http://www.tcpdump.org/releases/libpcap-0.8.3.tar.gz

Import libpcap 0.7.1, from
http://www.tcpdump.org/release/libpcap-0.7.1.tar.gz

Virgin import of tcpdump.org libpcap v0.6.2

Virgin import of tcpdump.org libpcap v0.5

Virgin import of LBL libpcap v0.4

Virgin import of libpcap 0.3

Virgin import of LBL libpcap version 0.2.1.
Obtained from: ftp://ftp.ee.lbl.gov/libpcap.tar.Z on 19-Aug-1996.