With the latest iproute2 (built from master, 'ip -V' reports
iproute2-ss200330) when I try to run tc_l2_redirect.sh
I get errors like the following. What am I missing?
(full transcript of output from run is in the run.out attachment)
:
+ tc filter add dev ve2 ingress bpf da obj ./tc_l2_redirect_kern.o sec l2_to_iptun_ingress_forward
BTF debug data section '.BTF' rejected: Invalid argument (22)!
- Length: 3554
Verifier analysis:
magic: 0xeb9f
version: 1
flags: 0x0
hdr_len: 24
type_off: 0
type_len: 984
str_off: 984
str_len: 2546
btf_total_size: 3554
[1] PTR (anon) type_id=2
[2] STRUCT __sk_buff size=184 vlen=32
len type_id=3 bits_offset=0
pkt_type type_id=3 bits_offset=32
mark type_id=3 bits_offset=64
queue_mapping type_id=3 bits_offset=96
protocol type_id=3 bits_offset=128
vlan_present type_id=3 bits_offset=160
vlan_tci type_id=3 bits_offset=192
vlan_proto type_id=3 bits_offset=224
:
:
+ [[ -z '' ]] + TC=tc + [[ -z '' ]] + IP=ip + REDIRECT_USER=./tc_l2_redirect + REDIRECT_BPF=./tc_l2_redirect_kern.o + RP_FILTER=0 + IPV6_FORWARDING=1 + cleanup + set +e + [[ -z '' ]] + ip netns delete ns1 + ip netns delete ns2 + ip link del ve1 + ip link del ve2 + ip link del ipt + ip link del ip6t + sysctl -q -w net.ipv4.conf.all.rp_filter=0 + sysctl -q -w net.ipv6.conf.all.forwarding=1 + rm -f /sys/fs/bpf/tc/globals/tun_iface + [[ -z '' ]] + set -e + test_names='l2_to_ipip l2_to_ip6tnl' + test_dirs='ingress egress' + [[ 0 -ge 2 ]] + [[ 0 -ge 1 ]] + for t in $test_names + for d in $test_dirs + l2_to_ipip ingress + echo -n 'l2_to_ipip ingress: ' l2_to_ipip ingress: + local dir=ingress + config_common ipip + local tun_type=ipip + ip netns add ns1 + ip netns add ns2 + ip link add ve1 type veth peer name vens1 + ip link add ve2 type veth peer name vens2 + ip link set dev ve1 up + ip link set dev ve2 up + ip link set dev ve1 mtu 1500 + ip link set dev ve2 mtu 1500 + ip link set dev vens1 netns ns1 + ip link set dev vens2 netns ns2 + ip -n ns1 link set dev lo up + ip -n ns1 link set dev vens1 up + ip -n ns1 addr add 10.1.1.101/24 dev vens1 + ip -n ns1 addr add 2401:db01::65/64 dev vens1 nodad + ip -n ns1 route add default via 10.1.1.1 dev vens1 + ip -n ns1 route add default via 2401:db01::1 dev vens1 + ip -n ns2 link set dev lo up + ip -n ns2 link set dev vens2 up + ip -n ns2 addr add 10.2.1.102/24 dev vens2 + ip -n ns2 addr add 2401:db02::66/64 dev vens2 nodad + ip -n ns2 addr add 10.10.1.102 dev lo + ip -n ns2 addr add 2401:face::66/64 dev lo nodad + ip -n ns2 link add ipt2 type ipip local 10.2.1.102 remote 10.2.1.1 + ip -n ns2 link add ip6t2 type ip6tnl mode any local 2401:db02::66 remote 2401:db02::1 + ip -n ns2 link set dev ipt2 up + ip -n ns2 link set dev ip6t2 up + ip netns exec ns2 tc qdisc add dev vens2 clsact + ip netns exec ns2 tc filter add dev vens2 ingress bpf da obj ./tc_l2_redirect_kern.o sec drop_non_tun_vip BTF debug data section '.BTF' rejected: Invalid argument (22)! - Length: 3554 Verifier analysis: magic: 0xeb9f version: 1 flags: 0x0 hdr_len: 24 type_off: 0 type_len: 984 str_off: 984 str_len: 2546 btf_total_size: 3554 [1] PTR (anon) type_id=2 [2] STRUCT __sk_buff size=184 vlen=32 len type_id=3 bits_offset=0 pkt_type type_id=3 bits_offset=32 mark type_id=3 bits_offset=64 queue_mapping type_id=3 bits_offset=96 protocol type_id=3 bits_offset=128 vlan_present type_id=3 bits_offset=160 vlan_tci type_id=3 bits_offset=192 vlan_proto type_id=3 bits_offset=224 priority type_id=3 bits_offset=256 ingress_ifindex type_id=3 bits_offset=288 ifindex type_id=3 bits_offset=320 tc_index type_id=3 bits_offset=352 cb type_id=5 bits_offset=384 hash type_id=3 bits_offset=544 tc_classid type_id=3 bits_offset=576 data type_id=3 bits_offset=608 data_end type_id=3 bits_offset=640 napi_id type_id=3 bits_offset=672 family type_id=3 bits_offset=704 remote_ip4 type_id=3 bits_offset=736 local_ip4 type_id=3 bits_offset=768 remote_ip6 type_id=7 bits_offset=800 local_ip6 type_id=7 bits_offset=928 remote_port type_id=3 bits_offset=1056 local_port type_id=3 bits_offset=1088 data_meta type_id=3 bits_offset=1120 (anon) type_id=8 bits_offset=1152 tstamp type_id=10 bits_offset=1216 wire_len type_id=3 bits_offset=1280 gso_segs type_id=3 bits_offset=1312 (anon) type_id=12 bits_offset=1344 gso_size type_id=3 bits_offset=1408 [3] TYPEDEF __u32 type_id=4 [4] INT unsigned int size=4 bits_offset=0 nr_bits=32 encoding=(none) [5] ARRAY (anon) type_id=3 index_type_id=6 nr_elems=5 [6] INT __ARRAY_SIZE_TYPE__ size=4 bits_offset=0 nr_bits=32 encoding=(none) [7] ARRAY (anon) type_id=3 index_type_id=6 nr_elems=4 [8] UNION (anon) size=8 vlen=1 flow_keys type_id=9 bits_offset=0 [9] PTR (anon) type_id=30 [10] TYPEDEF __u64 type_id=11 [11] INT long long unsigned int size=8 bits_offset=0 nr_bits=64 encoding=(none) [12] UNION (anon) size=8 vlen=1 sk type_id=13 bits_offset=0 [13] PTR (anon) type_id=31 [14] FUNC_PROTO (anon) return=15 args=(1 skb) [15] INT int size=4 bits_offset=0 nr_bits=32 encoding=SIGNED [16] FUNC _l2_to_iptun_ingress_forward type_id=14 [17] FUNC_PROTO (anon) return=15 args=(1 skb) [18] FUNC _l2_to_iptun_ingress_redirect type_id=17 [19] FUNC_PROTO (anon) return=15 args=(1 skb) [20] FUNC _l2_to_ip6tun_ingress_redirect type_id=19 [21] FUNC_PROTO (anon) return=15 args=(1 skb) [22] FUNC _drop_non_tun_vip type_id=21 [23] STRUCT bpf_elf_map size=28 vlen=7 type type_id=3 bits_offset=0 size_key type_id=3 bits_offset=32 size_value type_id=3 bits_offset=64 max_elem type_id=3 bits_offset=96 flags type_id=3 bits_offset=128 id type_id=3 bits_offset=160 pinning type_id=3 bits_offset=192 [24] VAR tun_iface type_id=23 linkage=1 [25] INT char size=1 bits_offset=0 nr_bits=8 encoding=SIGNED [26] ARRAY (anon) type_id=25 index_type_id=6 nr_elems=4 [27] VAR _license type_id=26 linkage=1 [28] DATASEC license size=0 vlen=1 size == 0 + [[ ipip == \i\p\i\p ]] + ip -n ns2 route add 10.1.1.0/24 dev ipt2 + ip netns exec ns2 sysctl -q -w net.ipv4.conf.all.rp_filter=0 + ip netns exec ns2 sysctl -q -w net.ipv4.conf.ipt2.rp_filter=0 + ip addr add 10.1.1.1/24 dev ve1 + ip addr add 2401:db01::1/64 dev ve1 nodad + ip addr add 10.2.1.1/24 dev ve2 + ip addr add 2401:db02::1/64 dev ve2 nodad + tc qdisc add dev ve2 clsact + tc filter add dev ve2 ingress bpf da obj ./tc_l2_redirect_kern.o sec l2_to_iptun_ingress_forward BTF debug data section '.BTF' rejected: Invalid argument (22)! - Length: 3554 Verifier analysis: magic: 0xeb9f version: 1 flags: 0x0 hdr_len: 24 type_off: 0 type_len: 984 str_off: 984 str_len: 2546 btf_total_size: 3554 [1] PTR (anon) type_id=2 [2] STRUCT __sk_buff size=184 vlen=32 len type_id=3 bits_offset=0 pkt_type type_id=3 bits_offset=32 mark type_id=3 bits_offset=64 queue_mapping type_id=3 bits_offset=96 protocol type_id=3 bits_offset=128 vlan_present type_id=3 bits_offset=160 vlan_tci type_id=3 bits_offset=192 vlan_proto type_id=3 bits_offset=224 priority type_id=3 bits_offset=256 ingress_ifindex type_id=3 bits_offset=288 ifindex type_id=3 bits_offset=320 tc_index type_id=3 bits_offset=352 cb type_id=5 bits_offset=384 hash type_id=3 bits_offset=544 tc_classid type_id=3 bits_offset=576 data type_id=3 bits_offset=608 data_end type_id=3 bits_offset=640 napi_id type_id=3 bits_offset=672 family type_id=3 bits_offset=704 remote_ip4 type_id=3 bits_offset=736 local_ip4 type_id=3 bits_offset=768 remote_ip6 type_id=7 bits_offset=800 local_ip6 type_id=7 bits_offset=928 remote_port type_id=3 bits_offset=1056 local_port type_id=3 bits_offset=1088 data_meta type_id=3 bits_offset=1120 (anon) type_id=8 bits_offset=1152 tstamp type_id=10 bits_offset=1216 wire_len type_id=3 bits_offset=1280 gso_segs type_id=3 bits_offset=1312 (anon) type_id=12 bits_offset=1344 gso_size type_id=3 bits_offset=1408 [3] TYPEDEF __u32 type_id=4 [4] INT unsigned int size=4 bits_offset=0 nr_bits=32 encoding=(none) [5] ARRAY (anon) type_id=3 index_type_id=6 nr_elems=5 [6] INT __ARRAY_SIZE_TYPE__ size=4 bits_offset=0 nr_bits=32 encoding=(none) [7] ARRAY (anon) type_id=3 index_type_id=6 nr_elems=4 [8] UNION (anon) size=8 vlen=1 flow_keys type_id=9 bits_offset=0 [9] PTR (anon) type_id=30 [10] TYPEDEF __u64 type_id=11 [11] INT long long unsigned int size=8 bits_offset=0 nr_bits=64 encoding=(none) [12] UNION (anon) size=8 vlen=1 sk type_id=13 bits_offset=0 [13] PTR (anon) type_id=31 [14] FUNC_PROTO (anon) return=15 args=(1 skb) [15] INT int size=4 bits_offset=0 nr_bits=32 encoding=SIGNED [16] FUNC _l2_to_iptun_ingress_forward type_id=14 [17] FUNC_PROTO (anon) return=15 args=(1 skb) [18] FUNC _l2_to_iptun_ingress_redirect type_id=17 [19] FUNC_PROTO (anon) return=15 args=(1 skb) [20] FUNC _l2_to_ip6tun_ingress_redirect type_id=19 [21] FUNC_PROTO (anon) return=15 args=(1 skb) [22] FUNC _drop_non_tun_vip type_id=21 [23] STRUCT bpf_elf_map size=28 vlen=7 type type_id=3 bits_offset=0 size_key type_id=3 bits_offset=32 size_value type_id=3 bits_offset=64 max_elem type_id=3 bits_offset=96 flags type_id=3 bits_offset=128 id type_id=3 bits_offset=160 pinning type_id=3 bits_offset=192 [24] VAR tun_iface type_id=23 linkage=1 [25] INT char size=1 bits_offset=0 nr_bits=8 encoding=SIGNED [26] ARRAY (anon) type_id=25 index_type_id=6 nr_elems=4 [27] VAR _license type_id=26 linkage=1 [28] DATASEC license size=0 vlen=1 size == 0 + sysctl -q -w net.ipv4.conf.all.rp_filter=0 + sysctl -q -w net.ipv6.conf.all.forwarding=1 + ip link add ipt type ipip external + ip link set dev ipt up + sysctl -q -w net.ipv4.conf.ipt.rp_filter=0 + sysctl -q -w net.ipv4.conf.ipt.forwarding=1 + [[ ingress == \e\g\r\e\s\s ]] + tc qdisc add dev ve1 clsact + tc filter add dev ve1 ingress bpf da obj ./tc_l2_redirect_kern.o sec l2_to_iptun_ingress_redirect BTF debug data section '.BTF' rejected: Invalid argument (22)! - Length: 3554 Verifier analysis: magic: 0xeb9f version: 1 flags: 0x0 hdr_len: 24 type_off: 0 type_len: 984 str_off: 984 str_len: 2546 btf_total_size: 3554 [1] PTR (anon) type_id=2 [2] STRUCT __sk_buff size=184 vlen=32 len type_id=3 bits_offset=0 pkt_type type_id=3 bits_offset=32 mark type_id=3 bits_offset=64 queue_mapping type_id=3 bits_offset=96 protocol type_id=3 bits_offset=128 vlan_present type_id=3 bits_offset=160 vlan_tci type_id=3 bits_offset=192 vlan_proto type_id=3 bits_offset=224 priority type_id=3 bits_offset=256 ingress_ifindex type_id=3 bits_offset=288 ifindex type_id=3 bits_offset=320 tc_index type_id=3 bits_offset=352 cb type_id=5 bits_offset=384 hash type_id=3 bits_offset=544 tc_classid type_id=3 bits_offset=576 data type_id=3 bits_offset=608 data_end type_id=3 bits_offset=640 napi_id type_id=3 bits_offset=672 family type_id=3 bits_offset=704 remote_ip4 type_id=3 bits_offset=736 local_ip4 type_id=3 bits_offset=768 remote_ip6 type_id=7 bits_offset=800 local_ip6 type_id=7 bits_offset=928 remote_port type_id=3 bits_offset=1056 local_port type_id=3 bits_offset=1088 data_meta type_id=3 bits_offset=1120 (anon) type_id=8 bits_offset=1152 tstamp type_id=10 bits_offset=1216 wire_len type_id=3 bits_offset=1280 gso_segs type_id=3 bits_offset=1312 (anon) type_id=12 bits_offset=1344 gso_size type_id=3 bits_offset=1408 [3] TYPEDEF __u32 type_id=4 [4] INT unsigned int size=4 bits_offset=0 nr_bits=32 encoding=(none) [5] ARRAY (anon) type_id=3 index_type_id=6 nr_elems=5 [6] INT __ARRAY_SIZE_TYPE__ size=4 bits_offset=0 nr_bits=32 encoding=(none) [7] ARRAY (anon) type_id=3 index_type_id=6 nr_elems=4 [8] UNION (anon) size=8 vlen=1 flow_keys type_id=9 bits_offset=0 [9] PTR (anon) type_id=30 [10] TYPEDEF __u64 type_id=11 [11] INT long long unsigned int size=8 bits_offset=0 nr_bits=64 encoding=(none) [12] UNION (anon) size=8 vlen=1 sk type_id=13 bits_offset=0 [13] PTR (anon) type_id=31 [14] FUNC_PROTO (anon) return=15 args=(1 skb) [15] INT int size=4 bits_offset=0 nr_bits=32 encoding=SIGNED [16] FUNC _l2_to_iptun_ingress_forward type_id=14 [17] FUNC_PROTO (anon) return=15 args=(1 skb) [18] FUNC _l2_to_iptun_ingress_redirect type_id=17 [19] FUNC_PROTO (anon) return=15 args=(1 skb) [20] FUNC _l2_to_ip6tun_ingress_redirect type_id=19 [21] FUNC_PROTO (anon) return=15 args=(1 skb) [22] FUNC _drop_non_tun_vip type_id=21 [23] STRUCT bpf_elf_map size=28 vlen=7 type type_id=3 bits_offset=0 size_key type_id=3 bits_offset=32 size_value type_id=3 bits_offset=64 max_elem type_id=3 bits_offset=96 flags type_id=3 bits_offset=128 id type_id=3 bits_offset=160 pinning type_id=3 bits_offset=192 [24] VAR tun_iface type_id=23 linkage=1 [25] INT char size=1 bits_offset=0 nr_bits=8 encoding=SIGNED [26] ARRAY (anon) type_id=25 index_type_id=6 nr_elems=4 [27] VAR _license type_id=26 linkage=1 [28] DATASEC license size=0 vlen=1 size == 0 + ./tc_l2_redirect -U /sys/fs/bpf/tc/globals/tun_iface -i 19 + ip netns exec ns1 ping -c1 10.10.1.102 + [[ ingress == \e\g\r\e\s\s ]] + echo bail bail + exit 1
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