diff options
| author |   Daniel Borkmann <daniel@iogearbox.net> | 2016-03-16 01:42:50 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-03-18 19:38:46 -0400 |
| commit | 808c1b697c3c4dd2a7132882424c390b0d0acfb9 (patch) | |
| tree | c43c9d8bd383b1c6063110c26c1ff495a37b5827 /net/core/filter.c | |
| parent | bpf: make skb->tc_classid also readable (diff) | |
| download | linux-dev-808c1b697c3c4dd2a7132882424c390b0d0acfb9.tar.xz linux-dev-808c1b697c3c4dd2a7132882424c390b0d0acfb9.zip | |
bpf, dst: add and use dst_tclassid helper
We can just add a small helper dst_tclassid() for retrieving the
dst->tclassid value. It makes the code a bit better in that we can
get rid of the ifdef from filter.c by moving this into the header.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/filter.c')
| -rw-r--r-- | net/core/filter.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/net/core/filter.c b/net/core/filter.c index 69c7b2fecf44..4c35d8325c34 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1682,14 +1682,7 @@ static const struct bpf_func_proto bpf_get_cgroup_classid_proto = { static u64 bpf_get_route_realm(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5) { -#ifdef CONFIG_IP_ROUTE_CLASSID - const struct dst_entry *dst; - - dst = skb_dst((struct sk_buff *) (unsigned long) r1); - if (dst) - return dst->tclassid; -#endif - return 0; + return dst_tclassid((struct sk_buff *) (unsigned long) r1); } static const struct bpf_func_proto bpf_get_route_realm_proto = { |