summaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/core/filter.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/core/filter.c b/net/core/filter.c
index 0848df2cd9bf..3a50a9b021e2 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3609,7 +3609,11 @@ static bool xdp_is_valid_access(int off, int size,
void bpf_warn_invalid_xdp_action(u32 act)
{
- WARN_ONCE(1, "Illegal XDP return value %u, expect packet loss\n", act);
+ const u32 act_max = XDP_REDIRECT;
+
+ WARN_ONCE(1, "%s XDP return value %u, expect packet loss!\n",
+ act > act_max ? "Illegal" : "Driver unsupported",
+ act);
}
EXPORT_SYMBOL_GPL(bpf_warn_invalid_xdp_action);