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// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include <network_helpers.h>
#include "test_parse_tcp_hdr_opt.skel.h"
#include "test_parse_tcp_hdr_opt_dynptr.skel.h"
#include "test_tcp_hdr_options.h"
struct test_pkt {
struct ipv6_packet pk6_v6;
u8 options[16];
} __packed;
struct test_pkt pkt = {
.pk6_v6.eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
.pk6_v6.iph.nexthdr = IPPROTO_TCP,
.pk6_v6.iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
.pk6_v6.tcp.urg_ptr = 123,
.pk6_v6.tcp.doff = 9, /* 16 bytes of options */
.options = {
TCPOPT_MSS, 4, 0x05, 0xB4, TCPOPT_NOP, TCPOPT_NOP,
0, 6, 0xBB, 0xBB, 0xBB, 0xBB, TCPOPT_EOL
},
};
static void test_parse_opt(void)
{
struct test_parse_tcp_hdr_opt *skel;
struct bpf_program *prog;
char buf[128];
int err;
LIBBPF_OPTS(bpf_test_run_opts, topts,
.data_in = &pkt,
.data_size_in = sizeof(pkt),
.data_out = buf,
.data_size_out = sizeof(buf),
.repeat = 3,
);
skel = test_parse_tcp_hdr_opt__open_and_load();
if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
return;
pkt.options[6] = skel->rodata->tcp_hdr_opt_kind_tpr;
prog = skel->progs.xdp_ingress_v6;
err = bpf_prog_test_run_opts(bpf_program__fd(prog), &topts);
ASSERT_OK(err, "ipv6 test_run");
ASSERT_EQ(topts.retval, XDP_PASS, "ipv6 test_run retval");
ASSERT_EQ(skel->bss->server_id, 0xBBBBBBBB, "server id");
test_parse_tcp_hdr_opt__destroy(skel);
}
static void test_parse_opt_dynptr(void)
{
struct test_parse_tcp_hdr_opt_dynptr *skel;
struct bpf_program *prog;
char buf[128];
int err;
LIBBPF_OPTS(bpf_test_run_opts, topts,
.data_in = &pkt,
.data_size_in = sizeof(pkt),
.data_out = buf,
.data_size_out = sizeof(buf),
.repeat = 3,
);
skel = test_parse_tcp_hdr_opt_dynptr__open_and_load();
if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
return;
pkt.options[6] = skel->rodata->tcp_hdr_opt_kind_tpr;
prog = skel->progs.xdp_ingress_v6;
err = bpf_prog_test_run_opts(bpf_program__fd(prog), &topts);
ASSERT_OK(err, "ipv6 test_run");
ASSERT_EQ(topts.retval, XDP_PASS, "ipv6 test_run retval");
ASSERT_EQ(skel->bss->server_id, 0xBBBBBBBB, "server id");
test_parse_tcp_hdr_opt_dynptr__destroy(skel);
}
void test_parse_tcp_hdr_opt(void)
{
if (test__start_subtest("parse_tcp_hdr_opt"))
test_parse_opt();
if (test__start_subtest("parse_tcp_hdr_opt_dynptr"))
test_parse_opt_dynptr();
}
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