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Diffstat (limited to 'tools/bpf/bpftool/map.c')
-rw-r--r--tools/bpf/bpftool/map.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index aaeb8939e137..f98f7bbea2b1 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -139,6 +139,9 @@ static void print_entry_json(struct bpf_map_info *info, unsigned char *key,
print_hex_data_json(key, info->key_size);
jsonw_name(json_wtr, "value");
print_hex_data_json(value, info->value_size);
+ if (map_is_map_of_maps(info->type))
+ jsonw_uint_field(json_wtr, "inner_map_id",
+ *(unsigned int *)value);
if (btf) {
struct btf_dumper d = {
.btf = btf,
@@ -259,8 +262,13 @@ static void print_entry_plain(struct bpf_map_info *info, unsigned char *key,
}
if (info->value_size) {
- printf("value:%c", break_names ? '\n' : ' ');
- fprint_hex(stdout, value, info->value_size, " ");
+ if (map_is_map_of_maps(info->type)) {
+ printf("inner_map_id:%c", break_names ? '\n' : ' ');
+ printf("%u ", *(unsigned int *)value);
+ } else {
+ printf("value:%c", break_names ? '\n' : ' ');
+ fprint_hex(stdout, value, info->value_size, " ");
+ }
}
printf("\n");
@@ -1279,6 +1287,11 @@ static int do_create(int argc, char **argv)
"flags"))
goto exit;
} else if (is_prefix(*argv, "dev")) {
+ p_info("Warning: 'bpftool map create [...] dev <ifname>' syntax is deprecated.\n"
+ "Going further, please use 'offload_dev <ifname>' to request hardware offload for the map.");
+ goto offload_dev;
+ } else if (is_prefix(*argv, "offload_dev")) {
+offload_dev:
NEXT_ARG();
if (attr.map_ifindex) {
@@ -1423,7 +1436,7 @@ static int do_help(int argc, char **argv)
"Usage: %1$s %2$s { show | list } [MAP]\n"
" %1$s %2$s create FILE type TYPE key KEY_SIZE value VALUE_SIZE \\\n"
" entries MAX_ENTRIES name NAME [flags FLAGS] \\\n"
- " [inner_map MAP] [dev NAME]\n"
+ " [inner_map MAP] [offload_dev NAME]\n"
" %1$s %2$s dump MAP\n"
" %1$s %2$s update MAP [key DATA] [value VALUE] [UPDATE_FLAGS]\n"
" %1$s %2$s lookup MAP [key DATA]\n"