bpf: Add support for IFLA_XDP_PROG_ID

This patch adds support to the newly added IFLA_XDP_PROG_ID.

./ip link show dev eth0
3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 xdpgeneric/id:2 qdisc [...]

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/ip/iplink_xdp.c b/ip/iplink_xdp.c
index 98503fab7d3c0729bca642ff61d500d7f0dfb438..4857f50c80dea59493cd4d5a8589722ff4c67c15 100644 (file)
--- a/ip/iplink_xdp.c
+++ b/ip/iplink_xdp.c
@@ -90,9 +90,15 @@ void xdp_dump(FILE *fp, struct rtattr *xdp)
        if (mode == XDP_ATTACHED_NONE)
                return;
        else if (mode == XDP_ATTACHED_DRV)
-               fprintf(fp, "xdp ");
+               fprintf(fp, "xdp");
        else if (mode == XDP_ATTACHED_SKB)
-               fprintf(fp, "xdpgeneric ");
+               fprintf(fp, "xdpgeneric");
        else
-               fprintf(fp, "xdp[%u] ", mode);
+               fprintf(fp, "xdp[%u]", mode);
+
+       if (tb[IFLA_XDP_PROG_ID])
+               fprintf(fp, "/id:%u",
+                       rta_getattr_u32(tb[IFLA_XDP_PROG_ID]));
+
+       fprintf(fp, " ");
 }