tmp_suning_uos_patched/tools/net
Michal Sekletar 27cd545247 filter: introduce SKF_AD_VLAN_TPID BPF extension
If vlan offloading takes place then vlan header is removed from frame
and its contents, both vlan_tci and vlan_proto, is available to user
space via TPACKET interface. However, only vlan_tci can be used in BPF
filters.

This commit introduces a new BPF extension. It makes possible to load
the value of vlan_proto (vlan TPID) to register A. Support for classic
BPF and eBPF is being added, analogous to skb->protocol.

Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Jiri Pirko <jpirko@redhat.com>

Signed-off-by: Michal Sekletar <msekleta@redhat.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-24 15:25:15 -04:00
..
bpf_asm.c filter: bpf_asm: add minimal bpf asm tool 2013-12-11 20:28:35 -05:00
bpf_dbg.c bpf_dbg: fix wrong register usage 2014-04-30 16:12:22 -04:00
bpf_exp.l filter: introduce SKF_AD_VLAN_TPID BPF extension 2015-03-24 15:25:15 -04:00
bpf_exp.y filter: introduce SKF_AD_VLAN_TPID BPF extension 2015-03-24 15:25:15 -04:00
bpf_jit_disasm.c tools: bpf_jit_disasm: increase image buffer size 2014-05-16 16:44:08 -04:00
Makefile tools/net/Makefile: Define PACKAGE to fix build problems 2014-03-12 00:07:55 -04:00