From: William Tu <u9012063@gmail.com>
Date: Thu, 1 Mar 2018 13:49:58 -0800
Subject: samples/bpf: add gre sequence number test.
Patch-mainline: v4.17-rc1
Git-commit: 5f280b60d26fe6379a8179d70d932ec73b77411b
References: bsc#1109837
The patch adds tests for GRE sequence number
support for metadata mode tunnel.
Signed-off-by: William Tu <u9012063@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
samples/bpf/tcbpf2_kern.c | 6 ++++--
samples/bpf/test_tunnel_bpf.sh | 5 +++--
2 files changed, 7 insertions(+), 4 deletions(-)
--- a/samples/bpf/tcbpf2_kern.c
+++ b/samples/bpf/tcbpf2_kern.c
@@ -52,7 +52,8 @@ int _gre_set_tunnel(struct __sk_buff *sk
key.tunnel_tos = 0;
key.tunnel_ttl = 64;
- ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key), BPF_F_ZERO_CSUM_TX);
+ ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
+ BPF_F_ZERO_CSUM_TX | BPF_F_SEQ_NUMBER);
if (ret < 0) {
ERROR(ret);
return TC_ACT_SHOT;
@@ -92,7 +93,8 @@ int _ip6gretap_set_tunnel(struct __sk_bu
key.tunnel_label = 0xabcde;
ret = bpf_skb_set_tunnel_key(skb, &key, sizeof(key),
- BPF_F_TUNINFO_IPV6 | BPF_F_ZERO_CSUM_TX);
+ BPF_F_TUNINFO_IPV6 | BPF_F_ZERO_CSUM_TX |
+ BPF_F_SEQ_NUMBER);
if (ret < 0) {
ERROR(ret);
return TC_ACT_SHOT;
--- a/samples/bpf/test_tunnel_bpf.sh
+++ b/samples/bpf/test_tunnel_bpf.sh
@@ -22,7 +22,8 @@ function config_device {
function add_gre_tunnel {
# in namespace
ip netns exec at_ns0 \
- ip link add dev $DEV_NS type $TYPE key 2 local 172.16.1.100 remote 172.16.1.200
+ ip link add dev $DEV_NS type $TYPE seq key 2 \
+ local 172.16.1.100 remote 172.16.1.200
ip netns exec at_ns0 ip link set dev $DEV_NS up
ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
@@ -42,7 +43,7 @@ function add_ip6gretap_tunnel {
# in namespace
ip netns exec at_ns0 \
- ip link add dev $DEV_NS type $TYPE flowlabel 0xbcdef key 2 \
+ ip link add dev $DEV_NS type $TYPE seq flowlabel 0xbcdef key 2 \
local ::11 remote ::22
ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24