diff options
Diffstat (limited to 'net/core/filter.c')
| -rw-r--r-- | net/core/filter.c | 6 |
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); |