diff options
Diffstat (limited to 'tools/bpf/bpftool/prog.c')
| -rw-r--r-- | tools/bpf/bpftool/prog.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 37948c47aabd..2221bae037f1 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -82,7 +82,7 @@ static void print_boot_time(__u64 nsecs, char *buf, unsigned int size) strftime(buf, size, "%FT%T%z", &load_tm); } -static int prog_fd_by_tag(unsigned char *tag, int **fds) +static int prog_fd_by_nametag(void *nametag, int **fds, bool tag) { unsigned int id = 0; int fd, nb_fds = 0; @@ -116,7 +116,8 @@ static int prog_fd_by_tag(unsigned char *tag, int **fds) goto err_close_fd; } - if (memcmp(tag, info.tag, BPF_TAG_SIZE)) { + if ((tag && memcmp(nametag, info.tag, BPF_TAG_SIZE)) || + (!tag && strncmp(nametag, info.name, BPF_OBJ_NAME_LEN))) { close(fd); continue; } @@ -174,7 +175,20 @@ static int prog_parse_fds(int *argc, char ***argv, int **fds) } NEXT_ARGP(); - return prog_fd_by_tag(tag, fds); + return prog_fd_by_nametag(tag, fds, true); + } else if (is_prefix(**argv, "name")) { + char *name; + + NEXT_ARGP(); + + name = **argv; + if (strlen(name) > BPF_OBJ_NAME_LEN - 1) { + p_err("can't parse name"); + return -1; + } + NEXT_ARGP(); + + return prog_fd_by_nametag(name, fds, false); } else if (is_prefix(**argv, "pinned")) { char *path; @@ -189,7 +203,7 @@ static int prog_parse_fds(int *argc, char ***argv, int **fds) return 1; } - p_err("expected 'id', 'tag' or 'pinned', got: '%s'?", **argv); + p_err("expected 'id', 'tag', 'name' or 'pinned', got: '%s'?", **argv); return -1; } |