[PATCH iproute2-next] bpf: support map offload
From: Jakub Kicinski <hidden>
Date: 2018-01-17 07:51:07
When program is loaded with a specified ifindex, use that ifindex also when creating maps. Signed-off-by: Jakub Kicinski <redacted> --- lib/bpf.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/lib/bpf.c b/lib/bpf.c
index d32f1b808180..2db151e4dd3c 100644
--- a/lib/bpf.c
+++ b/lib/bpf.c@@ -1208,7 +1208,7 @@ static int bpf_log_realloc(struct bpf_elf_ctx *ctx) static int bpf_map_create(enum bpf_map_type type, uint32_t size_key, uint32_t size_value, uint32_t max_elem, - uint32_t flags, int inner_fd) + uint32_t flags, int inner_fd, uint32_t ifindex) { union bpf_attr attr = {};
@@ -1218,6 +1218,7 @@ static int bpf_map_create(enum bpf_map_type type, uint32_t size_key, attr.max_entries = max_elem; attr.map_flags = flags; attr.inner_map_fd = inner_fd; + attr.map_ifindex = ifindex; return bpf(BPF_MAP_CREATE, &attr, sizeof(attr)); }
@@ -1632,7 +1633,9 @@ static int bpf_map_attach(const char *name, struct bpf_elf_ctx *ctx, errno = 0; fd = bpf_map_create(map->type, map->size_key, map->size_value, - map->max_elem, map->flags, map_inner_fd); + map->max_elem, map->flags, map_inner_fd, + ctx->ifindex); + if (fd < 0 || ctx->verbose) { bpf_map_report(fd, name, map, ctx, map_inner_fd); if (fd < 0)
--
2.15.1