diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-11-03 23:56:19 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-05 16:26:19 +0300 |
| commit | 928631e05495fa1f0e9775f555b94dbcbb4e2fb5 (patch) | |
| tree | 68e81ea982fa01410347eb397d94646a9f7f2942 /tools/bpf | |
| parent | bd601b6ada11fdfb9e277f24ad2eb54bc599156b (diff) | |
| download | linux-928631e05495fa1f0e9775f555b94dbcbb4e2fb5.tar.xz | |
bpftool: print program device bound info
If program is bound to a device, print the name of the relevant
interface or unknown if the netdev has since been removed.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/bpf')
| -rw-r--r-- | tools/bpf/bpftool/prog.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 250f80fd46aa..d3ab808dc882 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -41,6 +41,7 @@ #include <string.h> #include <time.h> #include <unistd.h> +#include <net/if.h> #include <sys/types.h> #include <sys/stat.h> @@ -229,6 +230,21 @@ static void print_prog_json(struct bpf_prog_info *info, int fd) info->tag[0], info->tag[1], info->tag[2], info->tag[3], info->tag[4], info->tag[5], info->tag[6], info->tag[7]); + if (info->status & BPF_PROG_STATUS_DEV_BOUND) { + jsonw_name(json_wtr, "dev"); + if (info->ifindex) { + char name[IF_NAMESIZE]; + + if (!if_indextoname(info->ifindex, name)) + jsonw_printf(json_wtr, "\"ifindex:%d\"", + info->ifindex); + else + jsonw_printf(json_wtr, "\"%s\"", name); + } else { + jsonw_printf(json_wtr, "\"unknown\""); + } + } + if (info->load_time) { char buf[32]; @@ -274,6 +290,21 @@ static void print_prog_plain(struct bpf_prog_info *info, int fd) printf("tag "); fprint_hex(stdout, info->tag, BPF_TAG_SIZE, ""); + printf(" "); + + if (info->status & BPF_PROG_STATUS_DEV_BOUND) { + printf("dev "); + if (info->ifindex) { + char name[IF_NAMESIZE]; + + if (!if_indextoname(info->ifindex, name)) + printf("ifindex:%d ", info->ifindex); + else + printf("%s ", name); + } else { + printf("unknown "); + } + } printf("\n"); if (info->load_time) { |