Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Stanislav Fomichev |
391 |
74.90% |
4 |
28.57% |
| Delyan Kratunov |
72 |
13.79% |
2 |
14.29% |
| Dmitry Yakunin |
14 |
2.68% |
1 |
7.14% |
| Neil Spring |
14 |
2.68% |
1 |
7.14% |
| Nikita V. Shirokov |
14 |
2.68% |
1 |
7.14% |
| Andrii Nakryiko |
6 |
1.15% |
2 |
14.29% |
| Vadim Fedorenko |
5 |
0.96% |
1 |
7.14% |
| Willem de Bruijn |
5 |
0.96% |
1 |
7.14% |
| Daniel Müller |
1 |
0.19% |
1 |
7.14% |
| Total |
522 |
|
14 |
|
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include <network_helpers.h>
void test_skb_ctx(void)
{
struct __sk_buff skb = {
.cb[0] = 1,
.cb[1] = 2,
.cb[2] = 3,
.cb[3] = 4,
.cb[4] = 5,
.priority = 6,
.ingress_ifindex = 11,
.ifindex = 1,
.tstamp = 7,
.wire_len = 100,
.gso_segs = 8,
.mark = 9,
.gso_size = 10,
.hwtstamp = 11,
};
LIBBPF_OPTS(bpf_test_run_opts, tattr,
.data_in = &pkt_v4,
.data_size_in = sizeof(pkt_v4),
.ctx_in = &skb,
.ctx_size_in = sizeof(skb),
.ctx_out = &skb,
.ctx_size_out = sizeof(skb),
);
struct bpf_object *obj;
int err, prog_fd, i;
err = bpf_prog_test_load("./test_skb_ctx.bpf.o", BPF_PROG_TYPE_SCHED_CLS,
&obj, &prog_fd);
if (!ASSERT_OK(err, "load"))
return;
/* ctx_in != NULL, ctx_size_in == 0 */
tattr.ctx_size_in = 0;
err = bpf_prog_test_run_opts(prog_fd, &tattr);
ASSERT_NEQ(err, 0, "ctx_size_in");
tattr.ctx_size_in = sizeof(skb);
/* ctx_out != NULL, ctx_size_out == 0 */
tattr.ctx_size_out = 0;
err = bpf_prog_test_run_opts(prog_fd, &tattr);
ASSERT_NEQ(err, 0, "ctx_size_out");
tattr.ctx_size_out = sizeof(skb);
/* non-zero [len, tc_index] fields should be rejected*/
skb.len = 1;
err = bpf_prog_test_run_opts(prog_fd, &tattr);
ASSERT_NEQ(err, 0, "len");
skb.len = 0;
skb.tc_index = 1;
err = bpf_prog_test_run_opts(prog_fd, &tattr);
ASSERT_NEQ(err, 0, "tc_index");
skb.tc_index = 0;
/* non-zero [hash, sk] fields should be rejected */
skb.hash = 1;
err = bpf_prog_test_run_opts(prog_fd, &tattr);
ASSERT_NEQ(err, 0, "hash");
skb.hash = 0;
skb.sk = (struct bpf_sock *)1;
err = bpf_prog_test_run_opts(prog_fd, &tattr);
ASSERT_NEQ(err, 0, "sk");
skb.sk = 0;
err = bpf_prog_test_run_opts(prog_fd, &tattr);
ASSERT_OK(err, "test_run");
ASSERT_OK(tattr.retval, "test_run retval");
ASSERT_EQ(tattr.ctx_size_out, sizeof(skb), "ctx_size_out");
for (i = 0; i < 5; i++)
ASSERT_EQ(skb.cb[i], i + 2, "ctx_out_cb");
ASSERT_EQ(skb.priority, 7, "ctx_out_priority");
ASSERT_EQ(skb.ifindex, 1, "ctx_out_ifindex");
ASSERT_EQ(skb.ingress_ifindex, 11, "ctx_out_ingress_ifindex");
ASSERT_EQ(skb.tstamp, 8, "ctx_out_tstamp");
ASSERT_EQ(skb.mark, 10, "ctx_out_mark");
bpf_object__close(obj);
}