Thread (20 messages) 20 messages, 2 authors, 2024-10-22

Re: [PATCH net-next v3 05/10] net: ip: make ip_route_input_slow() return drop reasons

From: Paolo Abeni <pabeni@redhat.com>
Date: 2024-10-21 10:52:55
Also in: bpf, bridge, lkml, netfilter-devel

On 10/15/24 16:07, Menglong Dong wrote:
quoted hunk ↗ jump to hunk
@@ -2316,19 +2327,25 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 		err = -EHOSTUNREACH;
 		goto no_route;
 	}
-	if (res->type != RTN_UNICAST)
+	if (res->type != RTN_UNICAST) {
+		reason = SKB_DROP_REASON_IP_INVALID_DEST;
 		goto martian_destination;
+	}
 
 make_route:
 	err = ip_mkroute_input(skb, res, in_dev, daddr, saddr, dscp, flkeys);
-out:	return err;
+	if (!err)
+		reason = SKB_NOT_DROPPED_YET;
+
+out:	return reason;
Since you are touching this line, please rewrite the code with a more
natural indentation:

out:
	return reason;

Thanks,

Paolo
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