1 // SPDX-License-Identifier: GPL-2.0
5 #include <linux/if_ether.h>
6 #include <linux/if_packet.h>
8 #include <linux/types.h>
9 #include <linux/socket.h>
10 #include <linux/tcp.h>
11 #include <netinet/in.h>
12 #include "bpf_helpers.h"
13 #include "bpf_endian.h"
14 #include "test_tcpbpf.h"
16 struct bpf_map_def SEC("maps") global_map = {
17 .type = BPF_MAP_TYPE_ARRAY,
18 .key_size = sizeof(__u32),
19 .value_size = sizeof(struct tcpbpf_globals),
23 static inline void update_event_map(int event)
26 struct tcpbpf_globals g, *gp;
28 gp = bpf_map_lookup_elem(&global_map, &key);
30 struct tcpbpf_globals g = {0};
32 g.event_map |= (1 << event);
33 bpf_map_update_elem(&global_map, &key, &g,
37 g.event_map |= (1 << event);
38 bpf_map_update_elem(&global_map, &key, &g,
43 int _version SEC("version") = 1;
46 int bpf_testcb(struct bpf_sock_ops *skops)
59 case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
60 /* Test failure to set largest cb flag (assumes not defined) */
61 bad_call_rv = bpf_sock_ops_cb_flags_set(skops, 0x80);
63 good_call_rv = bpf_sock_ops_cb_flags_set(skops,
64 BPF_SOCK_OPS_STATE_CB_FLAG);
68 struct tcpbpf_globals g, *gp;
70 gp = bpf_map_lookup_elem(&global_map, &key);
74 g.bad_cb_test_rv = bad_call_rv;
75 g.good_cb_test_rv = good_call_rv;
76 bpf_map_update_elem(&global_map, &key, &g,
80 case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
81 skops->sk_txhash = 0x12345f;
83 rv = bpf_setsockopt(skops, SOL_IPV6, IPV6_TCLASS, &v,
86 case BPF_SOCK_OPS_RTO_CB:
88 case BPF_SOCK_OPS_RETRANS_CB:
90 case BPF_SOCK_OPS_STATE_CB:
91 if (skops->args[1] == BPF_TCP_CLOSE) {
93 struct tcpbpf_globals g, *gp;
95 gp = bpf_map_lookup_elem(&global_map, &key);
99 g.total_retrans = skops->total_retrans;
100 g.data_segs_in = skops->data_segs_in;
101 g.data_segs_out = skops->data_segs_out;
102 g.bytes_received = skops->bytes_received;
103 g.bytes_acked = skops->bytes_acked;
104 bpf_map_update_elem(&global_map, &key, &g,
114 char _license[] SEC("license") = "GPL";