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authorWillem de Bruijn <willemb@google.com>2019-03-22 14:33:00 -0400
committerAlexei Starovoitov <ast@kernel.org>2019-03-22 13:52:45 -0700
commit75a1a9fa2e20de6319a19161ce4e2e1817d70e28 (patch)
treed19dd631ee3508d25d3d113782f601b45f8e59fc /tools/testing/selftests/bpf/progs/test_tc_tunnel.c
parent94f16813e1b297d31f8fe6217cd9be19e080f998 (diff)
selftests/bpf: convert bpf tunnel test to encap modes
Make the tests correctly annotate skbs with tunnel metadata. This makes the gso tests succeed. Enable them. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_tc_tunnel.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_tc_tunnel.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_tc_tunnel.c b/tools/testing/selftests/bpf/progs/test_tc_tunnel.c
index 3b79dffb8103..f541c2de947d 100644
--- a/tools/testing/selftests/bpf/progs/test_tc_tunnel.c
+++ b/tools/testing/selftests/bpf/progs/test_tc_tunnel.c
@@ -70,8 +70,13 @@ static __always_inline int encap_ipv4(struct __sk_buff *skb, bool with_gre)
if (tcph.dest != __bpf_constant_htons(cfg_port))
return TC_ACT_OK;
- flags = BPF_F_ADJ_ROOM_FIXED_GSO;
- olen = with_gre ? sizeof(h_outer) : sizeof(h_outer.ip);
+ flags = BPF_F_ADJ_ROOM_FIXED_GSO | BPF_F_ADJ_ROOM_ENCAP_L3_IPV4;
+ if (with_gre) {
+ flags |= BPF_F_ADJ_ROOM_ENCAP_L4_GRE;
+ olen = sizeof(h_outer);
+ } else {
+ olen = sizeof(h_outer.ip);
+ }
/* add room between mac and network header */
if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))
@@ -119,8 +124,14 @@ static __always_inline int encap_ipv6(struct __sk_buff *skb, bool with_gre)
if (tcph.dest != __bpf_constant_htons(cfg_port))
return TC_ACT_OK;
- flags = BPF_F_ADJ_ROOM_FIXED_GSO;
- olen = with_gre ? sizeof(h_outer) : sizeof(h_outer.ip);
+ flags = BPF_F_ADJ_ROOM_FIXED_GSO | BPF_F_ADJ_ROOM_ENCAP_L3_IPV6;
+ if (with_gre) {
+ flags |= BPF_F_ADJ_ROOM_ENCAP_L4_GRE;
+ olen = sizeof(h_outer);
+ } else {
+ olen = sizeof(h_outer.ip);
+ }
+
/* add room between mac and network header */
if (bpf_skb_adjust_room(skb, olen, BPF_ADJ_ROOM_MAC, flags))