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-rw-r--r--tools/lib/bpf/skel_internal.h33
1 files changed, 29 insertions, 4 deletions
diff --git a/tools/lib/bpf/skel_internal.h b/tools/lib/bpf/skel_internal.h
index 70adf7b119b9..1e82ab06c3eb 100644
--- a/tools/lib/bpf/skel_internal.h
+++ b/tools/lib/bpf/skel_internal.h
@@ -251,6 +251,29 @@ static inline int skel_map_update_elem(int fd, const void *key,
return skel_sys_bpf(BPF_MAP_UPDATE_ELEM, &attr, attr_sz);
}
+static inline int skel_map_delete_elem(int fd, const void *key)
+{
+ const size_t attr_sz = offsetofend(union bpf_attr, flags);
+ union bpf_attr attr;
+
+ memset(&attr, 0, attr_sz);
+ attr.map_fd = fd;
+ attr.key = (long)key;
+
+ return skel_sys_bpf(BPF_MAP_DELETE_ELEM, &attr, attr_sz);
+}
+
+static inline int skel_map_get_fd_by_id(__u32 id)
+{
+ const size_t attr_sz = offsetofend(union bpf_attr, flags);
+ union bpf_attr attr;
+
+ memset(&attr, 0, attr_sz);
+ attr.map_id = id;
+
+ return skel_sys_bpf(BPF_MAP_GET_FD_BY_ID, &attr, attr_sz);
+}
+
static inline int skel_raw_tracepoint_open(const char *name, int prog_fd)
{
const size_t attr_sz = offsetofend(union bpf_attr, raw_tracepoint.prog_fd);
@@ -285,6 +308,8 @@ static inline int skel_link_create(int prog_fd, int target_fd,
static inline int bpf_load_and_run(struct bpf_load_and_run_opts *opts)
{
+ const size_t prog_load_attr_sz = offsetofend(union bpf_attr, fd_array);
+ const size_t test_run_attr_sz = offsetofend(union bpf_attr, test);
int map_fd = -1, prog_fd = -1, key = 0, err;
union bpf_attr attr;
@@ -302,7 +327,7 @@ static inline int bpf_load_and_run(struct bpf_load_and_run_opts *opts)
goto out;
}
- memset(&attr, 0, sizeof(attr));
+ memset(&attr, 0, prog_load_attr_sz);
attr.prog_type = BPF_PROG_TYPE_SYSCALL;
attr.insns = (long) opts->insns;
attr.insn_cnt = opts->insns_sz / sizeof(struct bpf_insn);
@@ -313,18 +338,18 @@ static inline int bpf_load_and_run(struct bpf_load_and_run_opts *opts)
attr.log_size = opts->ctx->log_size;
attr.log_buf = opts->ctx->log_buf;
attr.prog_flags = BPF_F_SLEEPABLE;
- err = prog_fd = skel_sys_bpf(BPF_PROG_LOAD, &attr, sizeof(attr));
+ err = prog_fd = skel_sys_bpf(BPF_PROG_LOAD, &attr, prog_load_attr_sz);
if (prog_fd < 0) {
opts->errstr = "failed to load loader prog";
set_err;
goto out;
}
- memset(&attr, 0, sizeof(attr));
+ memset(&attr, 0, test_run_attr_sz);
attr.test.prog_fd = prog_fd;
attr.test.ctx_in = (long) opts->ctx;
attr.test.ctx_size_in = opts->ctx->sz;
- err = skel_sys_bpf(BPF_PROG_RUN, &attr, sizeof(attr));
+ err = skel_sys_bpf(BPF_PROG_RUN, &attr, test_run_attr_sz);
if (err < 0 || (int)attr.test.retval < 0) {
opts->errstr = "failed to execute loader prog";
if (err < 0) {