From 9aba36139a5f9ee1d11a60d0a3a90944b8d56385 Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Thu, 28 Jun 2018 14:41:37 -0700 Subject: [PATCH] tools: libbpf: allow setting ifindex for programs and maps Users of bpf_object__open()/bpf_object__load() APIs may want to load the programs and maps onto a device for offload. Allow setting ifindex on those sub-objects. Signed-off-by: Jakub Kicinski Reviewed-by: Quentin Monnet Signed-off-by: Daniel Borkmann --- tools/lib/bpf/libbpf.c | 10 ++++++++++ tools/lib/bpf/libbpf.h | 2 ++ 2 files changed, 12 insertions(+) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index a1491e95edd0..7bc02d93e277 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -1896,6 +1896,11 @@ void *bpf_program__priv(struct bpf_program *prog) return prog ? prog->priv : ERR_PTR(-EINVAL); } +void bpf_program__set_ifindex(struct bpf_program *prog, __u32 ifindex) +{ + prog->prog_ifindex = ifindex; +} + const char *bpf_program__title(struct bpf_program *prog, bool needs_copy) { const char *title; @@ -2122,6 +2127,11 @@ void *bpf_map__priv(struct bpf_map *map) return map ? map->priv : ERR_PTR(-EINVAL); } +void bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex) +{ + map->map_ifindex = ifindex; +} + struct bpf_map * bpf_map__next(struct bpf_map *prev, struct bpf_object *obj) { diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index 09976531aa74..564f4be9bae0 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -109,6 +109,7 @@ int bpf_program__set_priv(struct bpf_program *prog, void *priv, bpf_program_clear_priv_t clear_priv); void *bpf_program__priv(struct bpf_program *prog); +void bpf_program__set_ifindex(struct bpf_program *prog, __u32 ifindex); const char *bpf_program__title(struct bpf_program *prog, bool needs_copy); @@ -251,6 +252,7 @@ typedef void (*bpf_map_clear_priv_t)(struct bpf_map *, void *); int bpf_map__set_priv(struct bpf_map *map, void *priv, bpf_map_clear_priv_t clear_priv); void *bpf_map__priv(struct bpf_map *map); +void bpf_map__set_ifindex(struct bpf_map *map, __u32 ifindex); int bpf_map__pin(struct bpf_map *map, const char *path); long libbpf_get_error(const void *ptr);