From: David Ahern Date: Mon, 12 Dec 2016 00:53:09 +0000 (-0800) Subject: bpf: export bpf_prog_load X-Git-Tag: v4.10.0~69 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=869d889eed5ea881caf475456577190f23ea1440;p=thirdparty%2Fiproute2.git bpf: export bpf_prog_load Code move only; no functional change intended. Signed-off-by: David Ahern Acked-by: Daniel Borkmann --- diff --git a/include/bpf_util.h b/include/bpf_util.h index b03837968..726e34777 100644 --- a/include/bpf_util.h +++ b/include/bpf_util.h @@ -75,6 +75,10 @@ int bpf_trace_pipe(void); void bpf_print_ops(FILE *f, struct rtattr *bpf_ops, __u16 len); +int bpf_prog_load(enum bpf_prog_type type, const struct bpf_insn *insns, + size_t size_insns, const char *license, char *log, + size_t size_log); + int bpf_prog_attach_fd(int prog_fd, int target_fd, enum bpf_attach_type type); int bpf_prog_detach_fd(int target_fd, enum bpf_attach_type type); diff --git a/lib/bpf.c b/lib/bpf.c index 006db9a86..64e199b32 100644 --- a/lib/bpf.c +++ b/lib/bpf.c @@ -889,6 +889,26 @@ int bpf_prog_detach_fd(int target_fd, enum bpf_attach_type type) return bpf(BPF_PROG_DETACH, &attr, sizeof(attr)); } +int bpf_prog_load(enum bpf_prog_type type, const struct bpf_insn *insns, + size_t size_insns, const char *license, char *log, + size_t size_log) +{ + union bpf_attr attr = {}; + + attr.prog_type = type; + attr.insns = bpf_ptr_to_u64(insns); + attr.insn_cnt = size_insns / sizeof(struct bpf_insn); + attr.license = bpf_ptr_to_u64(license); + + if (size_log > 0) { + attr.log_buf = bpf_ptr_to_u64(log); + attr.log_size = size_log; + attr.log_level = 1; + } + + return bpf(BPF_PROG_LOAD, &attr, sizeof(attr)); +} + #ifdef HAVE_ELF struct bpf_elf_prog { enum bpf_prog_type type; @@ -1006,26 +1026,6 @@ static int bpf_map_create(enum bpf_map_type type, uint32_t size_key, return bpf(BPF_MAP_CREATE, &attr, sizeof(attr)); } -static int bpf_prog_load(enum bpf_prog_type type, const struct bpf_insn *insns, - size_t size_insns, const char *license, char *log, - size_t size_log) -{ - union bpf_attr attr = {}; - - attr.prog_type = type; - attr.insns = bpf_ptr_to_u64(insns); - attr.insn_cnt = size_insns / sizeof(struct bpf_insn); - attr.license = bpf_ptr_to_u64(license); - - if (size_log > 0) { - attr.log_buf = bpf_ptr_to_u64(log); - attr.log_size = size_log; - attr.log_level = 1; - } - - return bpf(BPF_PROG_LOAD, &attr, sizeof(attr)); -} - static int bpf_obj_pin(int fd, const char *pathname) { union bpf_attr attr = {};