#include <linux/if_link.h>
#include <test_progs.h>
+#include "test_xdp_with_cpumap_frags_helpers.skel.h"
#include "test_xdp_with_cpumap_helpers.skel.h"
#define IFINDEX_LO 1
-void serial_test_xdp_cpumap_attach(void)
+void test_xdp_with_cpumap_helpers(void)
{
struct test_xdp_with_cpumap_helpers *skel;
struct bpf_prog_info info = {};
err = bpf_map_update_elem(map_fd, &idx, &val, 0);
ASSERT_NEQ(err, 0, "Add non-BPF_XDP_CPUMAP program to cpumap entry");
+ /* Try to attach BPF_XDP program with frags to cpumap when we have
+ * already loaded a BPF_XDP program on the map
+ */
+ idx = 1;
+ val.qsize = 192;
+ val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_cm_frags);
+ err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+ ASSERT_NEQ(err, 0, "Add BPF_XDP program with frags to cpumap entry");
+
out_close:
test_xdp_with_cpumap_helpers__destroy(skel);
}
+
+void test_xdp_with_cpumap_frags_helpers(void)
+{
+ struct test_xdp_with_cpumap_frags_helpers *skel;
+ struct bpf_prog_info info = {};
+ __u32 len = sizeof(info);
+ struct bpf_cpumap_val val = {
+ .qsize = 192,
+ };
+ int err, frags_prog_fd, map_fd;
+ __u32 idx = 0;
+
+ skel = test_xdp_with_cpumap_frags_helpers__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "test_xdp_with_cpumap_helpers__open_and_load"))
+ return;
+
+ frags_prog_fd = bpf_program__fd(skel->progs.xdp_dummy_cm_frags);
+ map_fd = bpf_map__fd(skel->maps.cpu_map);
+ err = bpf_obj_get_info_by_fd(frags_prog_fd, &info, &len);
+ if (!ASSERT_OK(err, "bpf_obj_get_info_by_fd"))
+ goto out_close;
+
+ val.bpf_prog.fd = frags_prog_fd;
+ err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+ ASSERT_OK(err, "Add program to cpumap entry");
+
+ err = bpf_map_lookup_elem(map_fd, &idx, &val);
+ ASSERT_OK(err, "Read cpumap entry");
+ ASSERT_EQ(info.id, val.bpf_prog.id,
+ "Match program id to cpumap entry prog_id");
+
+ /* Try to attach BPF_XDP program to cpumap when we have
+ * already loaded a BPF_XDP program with frags on the map
+ */
+ idx = 1;
+ val.qsize = 192;
+ val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_cm);
+ err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+ ASSERT_NEQ(err, 0, "Add BPF_XDP program to cpumap entry");
+
+out_close:
+ test_xdp_with_cpumap_frags_helpers__destroy(skel);
+}
+
+void serial_test_xdp_cpumap_attach(void)
+{
+ if (test__start_subtest("CPUMAP with programs in entries"))
+ test_xdp_with_cpumap_helpers();
+
+ if (test__start_subtest("CPUMAP with frags programs in entries"))
+ test_xdp_with_cpumap_frags_helpers();
+}
#include <test_progs.h>
#include "test_xdp_devmap_helpers.skel.h"
+#include "test_xdp_with_devmap_frags_helpers.skel.h"
#include "test_xdp_with_devmap_helpers.skel.h"
#define IFINDEX_LO 1
err = bpf_map_update_elem(map_fd, &idx, &val, 0);
ASSERT_NEQ(err, 0, "Add non-BPF_XDP_DEVMAP program to devmap entry");
+ /* Try to attach BPF_XDP program with frags to devmap when we have
+ * already loaded a BPF_XDP program on the map
+ */
+ idx = 1;
+ val.ifindex = 1;
+ val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_dm_frags);
+ err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+ ASSERT_NEQ(err, 0, "Add BPF_XDP program with frags to devmap entry");
+
out_close:
test_xdp_with_devmap_helpers__destroy(skel);
}
}
}
+void test_xdp_with_devmap_frags_helpers(void)
+{
+ struct test_xdp_with_devmap_frags_helpers *skel;
+ struct bpf_prog_info info = {};
+ struct bpf_devmap_val val = {
+ .ifindex = IFINDEX_LO,
+ };
+ __u32 len = sizeof(info);
+ int err, dm_fd_frags, map_fd;
+ __u32 idx = 0;
+
+ skel = test_xdp_with_devmap_frags_helpers__open_and_load();
+ if (!ASSERT_OK_PTR(skel, "test_xdp_with_devmap_helpers__open_and_load"))
+ return;
+
+ dm_fd_frags = bpf_program__fd(skel->progs.xdp_dummy_dm_frags);
+ map_fd = bpf_map__fd(skel->maps.dm_ports);
+ err = bpf_obj_get_info_by_fd(dm_fd_frags, &info, &len);
+ if (!ASSERT_OK(err, "bpf_obj_get_info_by_fd"))
+ goto out_close;
+
+ val.bpf_prog.fd = dm_fd_frags;
+ err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+ ASSERT_OK(err, "Add frags program to devmap entry");
+
+ err = bpf_map_lookup_elem(map_fd, &idx, &val);
+ ASSERT_OK(err, "Read devmap entry");
+ ASSERT_EQ(info.id, val.bpf_prog.id,
+ "Match program id to devmap entry prog_id");
+
+ /* Try to attach BPF_XDP program to devmap when we have
+ * already loaded a BPF_XDP program with frags on the map
+ */
+ idx = 1;
+ val.ifindex = 1;
+ val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_dm);
+ err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+ ASSERT_NEQ(err, 0, "Add BPF_XDP program to devmap entry");
+
+out_close:
+ test_xdp_with_devmap_frags_helpers__destroy(skel);
+}
void serial_test_xdp_devmap_attach(void)
{
if (test__start_subtest("DEVMAP with programs in entries"))
test_xdp_with_devmap_helpers();
+ if (test__start_subtest("DEVMAP with frags programs in entries"))
+ test_xdp_with_devmap_frags_helpers();
+
if (test__start_subtest("Verifier check of DEVMAP programs"))
test_neg_xdp_devmap_helpers();
}
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+#define IFINDEX_LO 1
+
+struct {
+ __uint(type, BPF_MAP_TYPE_CPUMAP);
+ __uint(key_size, sizeof(__u32));
+ __uint(value_size, sizeof(struct bpf_cpumap_val));
+ __uint(max_entries, 4);
+} cpu_map SEC(".maps");
+
+SEC("xdp_cpumap/dummy_cm")
+int xdp_dummy_cm(struct xdp_md *ctx)
+{
+ return XDP_PASS;
+}
+
+SEC("xdp.frags/cpumap")
+int xdp_dummy_cm_frags(struct xdp_md *ctx)
+{
+ return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
return XDP_PASS;
}
+SEC("xdp.frags/cpumap")
+int xdp_dummy_cm_frags(struct xdp_md *ctx)
+{
+ return XDP_PASS;
+}
+
char _license[] SEC("license") = "GPL";
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+ __uint(type, BPF_MAP_TYPE_DEVMAP);
+ __uint(key_size, sizeof(__u32));
+ __uint(value_size, sizeof(struct bpf_devmap_val));
+ __uint(max_entries, 4);
+} dm_ports SEC(".maps");
+
+/* valid program on DEVMAP entry via SEC name;
+ * has access to egress and ingress ifindex
+ */
+SEC("xdp_devmap/map_prog")
+int xdp_dummy_dm(struct xdp_md *ctx)
+{
+ return XDP_PASS;
+}
+
+SEC("xdp.frags/devmap")
+int xdp_dummy_dm_frags(struct xdp_md *ctx)
+{
+ return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
return XDP_PASS;
}
+
+SEC("xdp.frags/devmap")
+int xdp_dummy_dm_frags(struct xdp_md *ctx)
+{
+ return XDP_PASS;
+}
+
char _license[] SEC("license") = "GPL";