diff options
Diffstat (limited to 'share/man')
| -rw-r--r-- | share/man/man4/bpf.4 | 15 |
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 |
