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authordwmalone <dwmalone@FreeBSD.org>2008-07-07 09:27:02 +0000
committerdwmalone <dwmalone@FreeBSD.org>2008-07-07 09:27:02 +0000
commitea93f8d5f82a12b7726b10658ac4190373e54559 (patch)
treeb0e11b6cf2577f695f999916c228deccb994658f /share/man
parent551285191e25159705e99dbcf30b95ab0d92f29e (diff)
downloadFreeBSD-src-ea93f8d5f82a12b7726b10658ac4190373e54559.zip
FreeBSD-src-ea93f8d5f82a12b7726b10658ac4190373e54559.tar.gz
Update man page for addition of BIOCSETFNR. Subversion didn't want
to commit this at the same time for some reason.
Diffstat (limited to 'share/man')
-rw-r--r--share/man/man4/bpf.415
1 files changed, 12 insertions, 3 deletions
diff --git a/share/man/man4/bpf.4 b/share/man/man4/bpf.4
index 39e1399..581a9a1 100644
--- a/share/man/man4/bpf.4
+++ b/share/man/man4/bpf.4
@@ -403,6 +403,7 @@ This is useful for programs like
which must respond to messages in real time.
The default for a new file is off.
.It Dv BIOCSETF
+.It Dv BIOCSETFNR
.Pq Li "struct bpf_program"
Sets the read filter program used by the kernel to discard uninteresting
packets.
@@ -422,12 +423,20 @@ field while its length in units of
is given by the
.Li bf_len
field.
-Also, the actions of
-.Dv BIOCFLUSH
-are performed.
See section
.Sx "FILTER MACHINE"
for an explanation of the filter language.
+The only difference between
+.Dv BIOCSETF
+and
+.Dv BIOCSETFNR
+is
+.Dv BIOCSETF
+performs the actions of
+.Dv BIOCFLUSH
+while
+.Dv BIOCSETFNR
+does not.
.It Dv BIOCSETWF
.Pq Li "struct bpf_program"
Sets the write filter program used by the kernel to control what type of
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