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Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/xdp_bonding.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/xdp_bonding.c163
1 files changed, 138 insertions, 25 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
index 5e3a26b15ec6..fb952703653e 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
@@ -17,7 +17,8 @@
#include "network_helpers.h"
#include <linux/if_bonding.h>
#include <linux/limits.h>
-#include <linux/udp.h>
+#include <netinet/udp.h>
+#include <uapi/linux/netdev.h>
#include "xdp_dummy.skel.h"
#include "xdp_redirect_multi_kern.skel.h"
@@ -141,41 +142,33 @@ static const char * const xmit_policy_names[] = {
static int bonding_setup(struct skeletons *skeletons, int mode, int xmit_policy,
int bond_both_attach)
{
-#define SYS(fmt, ...) \
- ({ \
- char cmd[1024]; \
- snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__); \
- if (!ASSERT_OK(system(cmd), cmd)) \
- return -1; \
- })
-
- SYS("ip netns add ns_dst");
- SYS("ip link add veth1_1 type veth peer name veth2_1 netns ns_dst");
- SYS("ip link add veth1_2 type veth peer name veth2_2 netns ns_dst");
-
- SYS("ip link add bond1 type bond mode %s xmit_hash_policy %s",
+ SYS(fail, "ip netns add ns_dst");
+ SYS(fail, "ip link add veth1_1 type veth peer name veth2_1 netns ns_dst");
+ SYS(fail, "ip link add veth1_2 type veth peer name veth2_2 netns ns_dst");
+
+ SYS(fail, "ip link add bond1 type bond mode %s xmit_hash_policy %s",
mode_names[mode], xmit_policy_names[xmit_policy]);
- SYS("ip link set bond1 up address " BOND1_MAC_STR " addrgenmode none");
- SYS("ip -netns ns_dst link add bond2 type bond mode %s xmit_hash_policy %s",
+ SYS(fail, "ip link set bond1 up address " BOND1_MAC_STR " addrgenmode none");
+ SYS(fail, "ip -netns ns_dst link add bond2 type bond mode %s xmit_hash_policy %s",
mode_names[mode], xmit_policy_names[xmit_policy]);
- SYS("ip -netns ns_dst link set bond2 up address " BOND2_MAC_STR " addrgenmode none");
+ SYS(fail, "ip -netns ns_dst link set bond2 up address " BOND2_MAC_STR " addrgenmode none");
- SYS("ip link set veth1_1 master bond1");
+ SYS(fail, "ip link set veth1_1 master bond1");
if (bond_both_attach == BOND_BOTH_AND_ATTACH) {
- SYS("ip link set veth1_2 master bond1");
+ SYS(fail, "ip link set veth1_2 master bond1");
} else {
- SYS("ip link set veth1_2 up addrgenmode none");
+ SYS(fail, "ip link set veth1_2 up addrgenmode none");
if (xdp_attach(skeletons, skeletons->xdp_dummy->progs.xdp_dummy_prog, "veth1_2"))
return -1;
}
- SYS("ip -netns ns_dst link set veth2_1 master bond2");
+ SYS(fail, "ip -netns ns_dst link set veth2_1 master bond2");
if (bond_both_attach == BOND_BOTH_AND_ATTACH)
- SYS("ip -netns ns_dst link set veth2_2 master bond2");
+ SYS(fail, "ip -netns ns_dst link set veth2_2 master bond2");
else
- SYS("ip -netns ns_dst link set veth2_2 up addrgenmode none");
+ SYS(fail, "ip -netns ns_dst link set veth2_2 up addrgenmode none");
/* Load a dummy program on sending side as with veth peer needs to have a
* XDP program loaded as well.
@@ -194,8 +187,8 @@ static int bonding_setup(struct skeletons *skeletons, int mode, int xmit_policy,
}
return 0;
-
-#undef SYS
+fail:
+ return -1;
}
static void bonding_cleanup(struct skeletons *skeletons)
@@ -500,6 +493,123 @@ out:
system("ip link del bond_nest2");
}
+static void test_xdp_bonding_features(struct skeletons *skeletons)
+{
+ LIBBPF_OPTS(bpf_xdp_query_opts, query_opts);
+ int bond_idx, veth1_idx, err;
+ struct bpf_link *link = NULL;
+
+ if (!ASSERT_OK(system("ip link add bond type bond"), "add bond"))
+ goto out;
+
+ bond_idx = if_nametoindex("bond");
+ if (!ASSERT_GE(bond_idx, 0, "if_nametoindex bond"))
+ goto out;
+
+ /* query default xdp-feature for bond device */
+ err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);
+ if (!ASSERT_OK(err, "bond bpf_xdp_query"))
+ goto out;
+
+ if (!ASSERT_EQ(query_opts.feature_flags, 0,
+ "bond query_opts.feature_flags"))
+ goto out;
+
+ if (!ASSERT_OK(system("ip link add veth0 type veth peer name veth1"),
+ "add veth{0,1} pair"))
+ goto out;
+
+ if (!ASSERT_OK(system("ip link add veth2 type veth peer name veth3"),
+ "add veth{2,3} pair"))
+ goto out;
+
+ if (!ASSERT_OK(system("ip link set veth0 master bond"),
+ "add veth0 to master bond"))
+ goto out;
+
+ /* xdp-feature for bond device should be obtained from the single slave
+ * device (veth0)
+ */
+ err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);
+ if (!ASSERT_OK(err, "bond bpf_xdp_query"))
+ goto out;
+
+ if (!ASSERT_EQ(query_opts.feature_flags,
+ NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |
+ NETDEV_XDP_ACT_RX_SG,
+ "bond query_opts.feature_flags"))
+ goto out;
+
+ veth1_idx = if_nametoindex("veth1");
+ if (!ASSERT_GE(veth1_idx, 0, "if_nametoindex veth1"))
+ goto out;
+
+ link = bpf_program__attach_xdp(skeletons->xdp_dummy->progs.xdp_dummy_prog,
+ veth1_idx);
+ if (!ASSERT_OK_PTR(link, "attach program to veth1"))
+ goto out;
+
+ /* xdp-feature for veth0 are changed */
+ err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);
+ if (!ASSERT_OK(err, "bond bpf_xdp_query"))
+ goto out;
+
+ if (!ASSERT_EQ(query_opts.feature_flags,
+ NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |
+ NETDEV_XDP_ACT_RX_SG | NETDEV_XDP_ACT_NDO_XMIT |
+ NETDEV_XDP_ACT_NDO_XMIT_SG,
+ "bond query_opts.feature_flags"))
+ goto out;
+
+ if (!ASSERT_OK(system("ip link set veth2 master bond"),
+ "add veth2 to master bond"))
+ goto out;
+
+ err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);
+ if (!ASSERT_OK(err, "bond bpf_xdp_query"))
+ goto out;
+
+ /* xdp-feature for bond device should be set to the most restrict
+ * value obtained from attached slave devices (veth0 and veth2)
+ */
+ if (!ASSERT_EQ(query_opts.feature_flags,
+ NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |
+ NETDEV_XDP_ACT_RX_SG,
+ "bond query_opts.feature_flags"))
+ goto out;
+
+ if (!ASSERT_OK(system("ip link set veth2 nomaster"),
+ "del veth2 to master bond"))
+ goto out;
+
+ err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);
+ if (!ASSERT_OK(err, "bond bpf_xdp_query"))
+ goto out;
+
+ if (!ASSERT_EQ(query_opts.feature_flags,
+ NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |
+ NETDEV_XDP_ACT_RX_SG | NETDEV_XDP_ACT_NDO_XMIT |
+ NETDEV_XDP_ACT_NDO_XMIT_SG,
+ "bond query_opts.feature_flags"))
+ goto out;
+
+ if (!ASSERT_OK(system("ip link set veth0 nomaster"),
+ "del veth0 to master bond"))
+ goto out;
+
+ err = bpf_xdp_query(bond_idx, XDP_FLAGS_DRV_MODE, &query_opts);
+ if (!ASSERT_OK(err, "bond bpf_xdp_query"))
+ goto out;
+
+ ASSERT_EQ(query_opts.feature_flags, 0,
+ "bond query_opts.feature_flags");
+out:
+ bpf_link__destroy(link);
+ system("ip link del veth0");
+ system("ip link del veth2");
+ system("ip link del bond");
+}
+
static int libbpf_debug_print(enum libbpf_print_level level,
const char *format, va_list args)
{
@@ -554,6 +664,9 @@ void serial_test_xdp_bonding(void)
if (test__start_subtest("xdp_bonding_nested"))
test_xdp_bonding_nested(&skeletons);
+ if (test__start_subtest("xdp_bonding_features"))
+ test_xdp_bonding_features(&skeletons);
+
for (i = 0; i < ARRAY_SIZE(bond_test_cases); i++) {
struct bond_test_case *test_case = &bond_test_cases[i];
generated by cgit (git 2.34.1) at 2025-12-26 00:07:17 +0000