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-rw-r--r--tools/testing/selftests/bpf/prog_tests/flow_dissector.c22
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_flow.c13
2 files changed, 27 insertions, 8 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
index 700d73d2f22a..6892b88ae065 100644
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
@@ -109,6 +109,8 @@ struct test tests[] = {
.iph.protocol = IPPROTO_TCP,
.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
.tcp.doff = 5,
+ .tcp.source = 80,
+ .tcp.dest = 8080,
},
.keys = {
.nhoff = ETH_HLEN,
@@ -116,6 +118,8 @@ struct test tests[] = {
.addr_proto = ETH_P_IP,
.ip_proto = IPPROTO_TCP,
.n_proto = __bpf_constant_htons(ETH_P_IP),
+ .sport = 80,
+ .dport = 8080,
},
},
{
@@ -125,6 +129,8 @@ struct test tests[] = {
.iph.nexthdr = IPPROTO_TCP,
.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
.tcp.doff = 5,
+ .tcp.source = 80,
+ .tcp.dest = 8080,
},
.keys = {
.nhoff = ETH_HLEN,
@@ -132,6 +138,8 @@ struct test tests[] = {
.addr_proto = ETH_P_IPV6,
.ip_proto = IPPROTO_TCP,
.n_proto = __bpf_constant_htons(ETH_P_IPV6),
+ .sport = 80,
+ .dport = 8080,
},
},
{
@@ -143,6 +151,8 @@ struct test tests[] = {
.iph.protocol = IPPROTO_TCP,
.iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
.tcp.doff = 5,
+ .tcp.source = 80,
+ .tcp.dest = 8080,
},
.keys = {
.nhoff = ETH_HLEN + VLAN_HLEN,
@@ -150,6 +160,8 @@ struct test tests[] = {
.addr_proto = ETH_P_IP,
.ip_proto = IPPROTO_TCP,
.n_proto = __bpf_constant_htons(ETH_P_IP),
+ .sport = 80,
+ .dport = 8080,
},
},
{
@@ -161,6 +173,8 @@ struct test tests[] = {
.iph.nexthdr = IPPROTO_TCP,
.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
.tcp.doff = 5,
+ .tcp.source = 80,
+ .tcp.dest = 8080,
},
.keys = {
.nhoff = ETH_HLEN + VLAN_HLEN * 2,
@@ -169,6 +183,8 @@ struct test tests[] = {
.addr_proto = ETH_P_IPV6,
.ip_proto = IPPROTO_TCP,
.n_proto = __bpf_constant_htons(ETH_P_IPV6),
+ .sport = 80,
+ .dport = 8080,
},
},
{
@@ -487,7 +503,8 @@ void test_flow_dissector(void)
BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG;
struct bpf_prog_test_run_attr tattr = {};
struct bpf_flow_keys flow_keys = {};
- __u32 key = 0;
+ __u32 key = (__u32)(tests[i].keys.sport) << 16 |
+ tests[i].keys.dport;
/* For skb-less case we can't pass input flags; run
* only the tests that have a matching set of flags.
@@ -504,6 +521,9 @@ void test_flow_dissector(void)
CHECK_ATTR(err, tests[i].name, "skb-less err %d\n", err);
CHECK_FLOW_KEYS(tests[i].name, flow_keys, tests[i].keys);
+
+ err = bpf_map_delete_elem(keys_fd, &key);
+ CHECK_ATTR(err, tests[i].name, "bpf_map_delete_elem %d\n", err);
}
bpf_prog_detach(prog_fd, BPF_FLOW_DISSECTOR);
diff --git a/tools/testing/selftests/bpf/progs/bpf_flow.c b/tools/testing/selftests/bpf/progs/bpf_flow.c
index 08bd8b9d58d0..040a44206f29 100644
--- a/tools/testing/selftests/bpf/progs/bpf_flow.c
+++ b/tools/testing/selftests/bpf/progs/bpf_flow.c
@@ -65,8 +65,8 @@ struct {
} jmp_table SEC(".maps");
struct {
- __uint(type, BPF_MAP_TYPE_ARRAY);
- __uint(max_entries, 1);
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __uint(max_entries, 1024);
__type(key, __u32);
__type(value, struct bpf_flow_keys);
} last_dissection SEC(".maps");
@@ -74,12 +74,11 @@ struct {
static __always_inline int export_flow_keys(struct bpf_flow_keys *keys,
int ret)
{
- struct bpf_flow_keys *val;
- __u32 key = 0;
+ __u32 key = (__u32)(keys->sport) << 16 | keys->dport;
+ struct bpf_flow_keys val;
- val = bpf_map_lookup_elem(&last_dissection, &key);
- if (val)
- memcpy(val, keys, sizeof(*val));
+ memcpy(&val, keys, sizeof(val));
+ bpf_map_update_elem(&last_dissection, &key, &val, BPF_ANY);
return ret;
}