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Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c86
1 files changed, 13 insertions, 73 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
index 3e6912e4df3d..e85e49deba70 100644
--- a/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_tcpbpf_kern.c
@@ -14,40 +14,7 @@
#include <bpf/bpf_endian.h>
#include "test_tcpbpf.h"
-struct {
- __uint(type, BPF_MAP_TYPE_ARRAY);
- __uint(max_entries, 4);
- __type(key, __u32);
- __type(value, struct tcpbpf_globals);
-} global_map SEC(".maps");
-
-struct {
- __uint(type, BPF_MAP_TYPE_ARRAY);
- __uint(max_entries, 2);
- __type(key, __u32);
- __type(value, int);
-} sockopt_results SEC(".maps");
-
-static inline void update_event_map(int event)
-{
- __u32 key = 0;
- struct tcpbpf_globals g, *gp;
-
- gp = bpf_map_lookup_elem(&global_map, &key);
- if (gp == NULL) {
- struct tcpbpf_globals g = {0};
-
- g.event_map |= (1 << event);
- bpf_map_update_elem(&global_map, &key, &g,
- BPF_ANY);
- } else {
- g = *gp;
- g.event_map |= (1 << event);
- bpf_map_update_elem(&global_map, &key, &g,
- BPF_ANY);
- }
-}
-
+struct tcpbpf_globals global = {};
int _version SEC("version") = 1;
SEC("sockops")
@@ -105,29 +72,15 @@ int bpf_testcb(struct bpf_sock_ops *skops)
op = (int) skops->op;
- update_event_map(op);
+ global.event_map |= (1 << op);
switch (op) {
case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
/* Test failure to set largest cb flag (assumes not defined) */
- bad_call_rv = bpf_sock_ops_cb_flags_set(skops, 0x80);
+ global.bad_cb_test_rv = bpf_sock_ops_cb_flags_set(skops, 0x80);
/* Set callback */
- good_call_rv = bpf_sock_ops_cb_flags_set(skops,
+ global.good_cb_test_rv = bpf_sock_ops_cb_flags_set(skops,
BPF_SOCK_OPS_STATE_CB_FLAG);
- /* Update results */
- {
- __u32 key = 0;
- struct tcpbpf_globals g, *gp;
-
- gp = bpf_map_lookup_elem(&global_map, &key);
- if (!gp)
- break;
- g = *gp;
- g.bad_cb_test_rv = bad_call_rv;
- g.good_cb_test_rv = good_call_rv;
- bpf_map_update_elem(&global_map, &key, &g,
- BPF_ANY);
- }
break;
case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
skops->sk_txhash = 0x12345f;
@@ -143,10 +96,8 @@ int bpf_testcb(struct bpf_sock_ops *skops)
thdr = (struct tcphdr *)(header + offset);
v = thdr->syn;
- __u32 key = 1;
- bpf_map_update_elem(&sockopt_results, &key, &v,
- BPF_ANY);
+ global.tcp_saved_syn = v;
}
}
break;
@@ -156,25 +107,16 @@ int bpf_testcb(struct bpf_sock_ops *skops)
break;
case BPF_SOCK_OPS_STATE_CB:
if (skops->args[1] == BPF_TCP_CLOSE) {
- __u32 key = 0;
- struct tcpbpf_globals g, *gp;
-
- gp = bpf_map_lookup_elem(&global_map, &key);
- if (!gp)
- break;
- g = *gp;
if (skops->args[0] == BPF_TCP_LISTEN) {
- g.num_listen++;
+ global.num_listen++;
} else {
- g.total_retrans = skops->total_retrans;
- g.data_segs_in = skops->data_segs_in;
- g.data_segs_out = skops->data_segs_out;
- g.bytes_received = skops->bytes_received;
- g.bytes_acked = skops->bytes_acked;
+ global.total_retrans = skops->total_retrans;
+ global.data_segs_in = skops->data_segs_in;
+ global.data_segs_out = skops->data_segs_out;
+ global.bytes_received = skops->bytes_received;
+ global.bytes_acked = skops->bytes_acked;
}
- g.num_close_events++;
- bpf_map_update_elem(&global_map, &key, &g,
- BPF_ANY);
+ global.num_close_events++;
}
break;
case BPF_SOCK_OPS_TCP_LISTEN_CB:
@@ -182,9 +124,7 @@ int bpf_testcb(struct bpf_sock_ops *skops)
v = bpf_setsockopt(skops, IPPROTO_TCP, TCP_SAVE_SYN,
&save_syn, sizeof(save_syn));
/* Update global map w/ result of setsock opt */
- __u32 key = 0;
-
- bpf_map_update_elem(&sockopt_results, &key, &v, BPF_ANY);
+ global.tcp_save_syn = v;
break;
default:
rv = -1;