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MFC r309649 (oshogbo): tcpdump: allow to use BIOCROTZBUF in capability mode
authoremaste <emaste@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Thu, 2 Mar 2017 17:17:06 +0000 (17:17 +0000)
committeremaste <emaste@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Thu, 2 Mar 2017 17:17:06 +0000 (17:17 +0000)
commit71ddd41e9668be9f601a1a30c9a6baae03704c10
treeb2803249e12ebdba29066764160cf7713c587053
parent35c860cda3d11230a76c8a61912669acaf647d8a
MFC r309649 (oshogbo): tcpdump: allow to use BIOCROTZBUF in capability mode

The libpcap library can use a BIOCROTZBUF ioctl when net.bpf.zerocopy_enable
sysctl is set.

PR: 217490

git-svn-id: svn://svn.freebsd.org/base/stable/10@314560 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
contrib/tcpdump/tcpdump.c