diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/test_tunnel.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/test_tunnel.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/test_tunnel.c b/tools/testing/selftests/bpf/prog_tests/test_tunnel.c index 09e674c147bb..79b0b1cd8565 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_tunnel.c +++ b/tools/testing/selftests/bpf/prog_tests/test_tunnel.c @@ -98,6 +98,9 @@ #define XFRM_SPI_IN_TO_OUT 0x1 #define XFRM_SPI_OUT_TO_IN 0x2 +#define GRE_TUNL_DEV0 "gre00" +#define GRE_TUNL_DEV1 "gre11" + #define PING_ARGS "-i 0.01 -c 3 -w 10 -q" static int config_device(void) @@ -216,6 +219,18 @@ fail: return -1; } +static int set_ipv4_addr(const char *dev0, const char *dev1) +{ + SYS(fail, "ip -n at_ns0 link set dev %s up", dev0); + SYS(fail, "ip -n at_ns0 addr add dev %s %s/24", dev0, IP4_ADDR_TUNL_DEV0); + SYS(fail, "ip link set dev %s up", dev1); + SYS(fail, "ip addr add dev %s %s/24", dev1, IP4_ADDR_TUNL_DEV1); + + return 0; +fail: + return 1; +} + static int add_ipip_tunnel(enum ipip_encap encap) { int err; @@ -356,6 +371,31 @@ static void delete_xfrm_tunnel(void) IP4_ADDR1_VETH1, IP4_ADDR_VETH0, XFRM_SPI_OUT_TO_IN); } +static int add_ipv4_tunnel(const char *dev0, const char *dev1, + const char *type, const char *opt) +{ + if (!type || !opt || !dev0 || !dev1) + return -1; + + SYS(fail, "ip -n at_ns0 link add dev %s type %s %s local %s remote %s", + dev0, type, opt, IP4_ADDR_VETH0, IP4_ADDR1_VETH1); + + SYS(fail, "ip link add dev %s type %s external", dev1, type); + + return set_ipv4_addr(dev0, dev1); +fail: + return -1; +} + +static void delete_tunnel(const char *dev0, const char *dev1) +{ + if (!dev0 || !dev1) + return; + + SYS_NOFAIL("ip netns exec at_ns0 ip link delete dev %s", dev0); + SYS_NOFAIL("ip link delete dev %s", dev1); +} + static int test_ping(int family, const char *addr) { SYS(fail, "%s %s %s > /dev/null", ping_command(family), PING_ARGS, addr); @@ -677,6 +717,59 @@ done: test_tunnel_kern__destroy(skel); } +enum gre_test { + GRE, + GRE_NOKEY, + GRETAP, + GRETAP_NOKEY, +}; + +static void test_gre_tunnel(enum gre_test test) +{ + struct test_tunnel_kern *skel; + int set_fd, get_fd; + int err; + + skel = test_tunnel_kern__open_and_load(); + if (!ASSERT_OK_PTR(skel, "test_tunnel_kern__open_and_load")) + return; + + switch (test) { + case GRE: + err = add_ipv4_tunnel(GRE_TUNL_DEV0, GRE_TUNL_DEV1, "gre", "seq"); + set_fd = bpf_program__fd(skel->progs.gre_set_tunnel_no_key); + get_fd = bpf_program__fd(skel->progs.gre_get_tunnel); + break; + case GRE_NOKEY: + err = add_ipv4_tunnel(GRE_TUNL_DEV0, GRE_TUNL_DEV1, "gre", "seq key 2"); + set_fd = bpf_program__fd(skel->progs.gre_set_tunnel); + get_fd = bpf_program__fd(skel->progs.gre_get_tunnel); + break; + case GRETAP: + err = add_ipv4_tunnel(GRE_TUNL_DEV0, GRE_TUNL_DEV1, "gretap", "seq"); + set_fd = bpf_program__fd(skel->progs.gre_set_tunnel_no_key); + get_fd = bpf_program__fd(skel->progs.gre_get_tunnel); + break; + case GRETAP_NOKEY: + err = add_ipv4_tunnel(GRE_TUNL_DEV0, GRE_TUNL_DEV1, "gretap", "seq key 2"); + set_fd = bpf_program__fd(skel->progs.gre_set_tunnel); + get_fd = bpf_program__fd(skel->progs.gre_get_tunnel); + break; + } + if (!ASSERT_OK(err, "add tunnel")) + goto done; + + if (generic_attach(GRE_TUNL_DEV1, get_fd, set_fd)) + goto done; + + ping_dev0(); + ping_dev1(); + +done: + delete_tunnel(GRE_TUNL_DEV0, GRE_TUNL_DEV1); + test_tunnel_kern__destroy(skel); +} + #define RUN_TEST(name, ...) \ ({ \ if (test__start_subtest(#name)) { \ @@ -694,6 +787,10 @@ static void *test_tunnel_run_tests(void *arg) RUN_TEST(ipip_tunnel, FOU); RUN_TEST(ipip_tunnel, GUE); RUN_TEST(xfrm_tunnel); + RUN_TEST(gre_tunnel, GRE); + RUN_TEST(gre_tunnel, GRE_NOKEY); + RUN_TEST(gre_tunnel, GRETAP); + RUN_TEST(gre_tunnel, GRETAP_NOKEY); return NULL; } |