Author: pkelsey
Date: Wed Jul 15 16:57:40 2015
New Revision: 285605
URL: https://svnweb.freebsd.org/changeset/base/285605
Log:
MFC r285190:
Fix if_loop so bpfwrite() can use it regardless of the state of
bd_hdrcmplt. As if_loop does not use link-level headers, its behavior
when used by bpfwrite() should be the same regardless of the state of
bd_hdrcmplt. Without this change, libpcap (and other BPF users that
work like it) fail when writing to loopback interfaces.
Approved by: re
Modified:
stable/10/sys/net/if_loop.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/net/if_loop.c
==============================================================================
--- stable/10/sys/net/if_loop.c Wed Jul 15 16:55:56 2015 (r285604)
+++ stable/10/sys/net/if_loop.c Wed Jul 15 16:57:40 2015 (r285605)
@@ -241,7 +241,7 @@ looutput(struct ifnet *ifp, struct mbuf
ifp->if_obytes += m->m_pkthdr.len;
/* BPF writes need to be handled specially. */
- if (dst->sa_family == AF_UNSPEC)
+ if (dst->sa_family == AF_UNSPEC || dst->sa_family == pseudo_AF_HDRCMPLT)
bcopy(dst->sa_data, &af, sizeof(af));
else
af = dst->sa_family;
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