Michal Sekletar ea02f9411d net: introduce SO_BPF_EXTENSIONS ... For user space packet capturing libraries such as libpcap, there's currently only one way to check which BPF extensions are supported by the kernel, that is, commit aa1113d9f8 ("net: filter: return -EINVAL if BPF_S_ANC* operation is not supported"). For querying all extensions at once this might be rather inconvenient. Therefore, this patch introduces a new option which can be used as an argument for getsockopt(), and allows one to obtain information about which BPF extensions are supported by the current kernel. As David Miller suggests, we do not need to define any bits right now and status quo can just return 0 in order to state that this versions supports SKF_AD_PROTOCOL up to SKF_AD_PAY_OFFSET. Later additions to BPF extensions need to add their bits to the bpf_tell_extensions() function, as documented in the comment. Signed-off-by: Michal Sekletar <msekleta@redhat.com> Cc: David Miller <davem@davemloft.net> Reviewed-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2014-01-18 19:08:58 -08:00
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configs	parisc: update 64bit defconfigs and use SIL680 instead of SIIMAGE driver	2013-12-03 23:23:35 +01:00
hpux	[readdir] constify ->actor	2013-06-29 12:57:05 +04:00
include	net: introduce SO_BPF_EXTENSIONS	2014-01-18 19:08:58 -08:00
kernel	parisc: Ensure full cache coherency for kmap/kunmap	2014-01-08 23:02:57 +01:00
lib	parisc: size_t is unsigned, so comparison size < 0 doesn't make sense.	2013-11-20 00:09:42 +01:00
math-emu	parisc: remove duplicate define	2013-11-07 22:28:15 +01:00
mm	parisc: fix kernel memory layout in vmlinux.ld.S	2013-11-30 22:09:21 +01:00
oprofile	oprofile: more whitespace fixes	2008-10-15 20:55:51 +02:00
defpalo.conf	parisc: switch to gzip-compressed vmlinuz kernel	2013-07-09 22:09:20 +02:00
install.sh	parisc: make "make install" not depend on vmlinux	2013-11-07 22:28:06 +01:00
Kconfig	Kconfig cleanups for v3.13	2013-11-15 14:05:15 -08:00
Kconfig.debug	consolidate per-arch stack overflow debugging options	2013-07-04 11:25:39 -07:00
Makefile	parisc: make "make install" not depend on vmlinux	2013-11-07 22:28:06 +01:00
nm