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Commit 9aba3613 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by Daniel Borkmann
Browse files

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: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: default avatarQuentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
parent d9b683d7

tools/lib/bpf/libbpf.c

+10 −0
Original line number Diff line number Diff line
@@ -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)

{

tools/lib/bpf/libbpf.h

+2 −0
Original line number Diff line number Diff line
@@ -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);