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Update man page for addition of BIOCSETFNR. Subversion didn't want

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to commit this at the same time for some reason.
This commit is contained in:
David Malone 2008-07-07 09:27:02 +00:00
parent 10cc62b7a6
commit 0d1532e0ef
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=180339
1 changed files with 12 additions and 3 deletions
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15
share/man/man4/bpf.4
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@ -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