diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/lib/bpf/bpf.c | 22 | ||||
| -rw-r--r-- | tools/lib/bpf/bpf.h | 1 |
2 files changed, 18 insertions, 5 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 92fd27fe0599..a5261f39e2bd 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -215,10 +215,15 @@ int bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr, { void *finfo = NULL, *linfo = NULL; union bpf_attr attr; + __u32 log_level; __u32 name_len; int fd; - if (!load_attr) + if (!load_attr || !log_buf != !log_buf_sz) + return -EINVAL; + + log_level = load_attr->log_level; + if (log_level > 2 || (log_level && !log_buf)) return -EINVAL; name_len = load_attr->name ? strlen(load_attr->name) : 0; @@ -229,9 +234,16 @@ int bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr, attr.insn_cnt = (__u32)load_attr->insns_cnt; attr.insns = ptr_to_u64(load_attr->insns); attr.license = ptr_to_u64(load_attr->license); - attr.log_buf = ptr_to_u64(NULL); - attr.log_size = 0; - attr.log_level = 0; + + attr.log_level = log_level; + if (log_level) { + attr.log_buf = ptr_to_u64(log_buf); + attr.log_size = log_buf_sz; + } else { + attr.log_buf = ptr_to_u64(NULL); + attr.log_size = 0; + } + attr.kern_version = load_attr->kern_version; attr.prog_ifindex = load_attr->prog_ifindex; attr.prog_btf_fd = load_attr->prog_btf_fd; @@ -287,7 +299,7 @@ int bpf_load_program_xattr(const struct bpf_load_program_attr *load_attr, goto done; } - if (!log_buf || !log_buf_sz) + if (log_level || !log_buf) goto done; /* Try again with log */ diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index ed09eed2dc3b..6ffdd79bea89 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -85,6 +85,7 @@ struct bpf_load_program_attr { __u32 line_info_rec_size; const void *line_info; __u32 line_info_cnt; + __u32 log_level; }; /* Flags to direct loading requirements */ |