linux_dsm_epyc7002/kernel/bpf
Martin KaFai Lau 4a482f34af cgroup: bpf: Add bpf_skb_in_cgroup_proto
Adds a bpf helper, bpf_skb_in_cgroup, to decide if a skb->sk
belongs to a descendant of a cgroup2.  It is similar to the
feature added in netfilter:
commit c38c4597e4 ("netfilter: implement xt_cgroup cgroup2 path match")

The user is expected to populate a BPF_MAP_TYPE_CGROUP_ARRAY
which will be used by the bpf_skb_in_cgroup.

Modifications to the bpf verifier is to ensure BPF_MAP_TYPE_CGROUP_ARRAY
and bpf_skb_in_cgroup() are always used together.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Tejun Heo <tj@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-01 16:32:13 -04:00
..
arraymap.c cgroup: bpf: Add BPF_MAP_TYPE_CGROUP_ARRAY 2016-07-01 16:30:38 -04:00
core.c bpf: minor cleanups on fd maps and helpers 2016-06-30 05:54:40 -04:00
hashtab.c bpf: pre-allocate hash map elements 2016-03-08 15:28:31 -05:00
helpers.c bpf: don't use raw processor id in generic helper 2016-06-30 05:54:40 -04:00
inode.c bpf, inode: disallow userns mounts 2016-05-23 15:08:26 -07:00
Makefile bpf: introduce percpu_freelist 2016-03-08 15:28:31 -05:00
percpu_freelist.c bpf: introduce percpu_freelist 2016-03-08 15:28:31 -05:00
percpu_freelist.h bpf: introduce percpu_freelist 2016-03-08 15:28:31 -05:00
stackmap.c Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-05-25 17:05:40 -07:00
syscall.c cgroup: bpf: Add BPF_MAP_TYPE_CGROUP_ARRAY 2016-07-01 16:30:38 -04:00
verifier.c cgroup: bpf: Add bpf_skb_in_cgroup_proto 2016-07-01 16:32:13 -04:00