> From: Zhang Shengju <zhangshen...@cmss.chinamobile.com> > Date: Tue, 1 Mar 2016 07:24:42 +0000 > > > Currently, arp_rcv() always return zero on a packet delivery upcall. > > > > To make its behavior more compliant with the way this API should be > > used, this patch changes this to let it return NET_RX_SUCCESS when the > > packet is proper handled, and NET_RX_DROP otherwise. > > > > Signed-off-by: Zhang Shengju <zhangshen...@cmss.chinamobile.com> > > This change is bogus. > > > @@ -880,7 +880,7 @@ out: > > consume_skb(skb); > > out_free_dst: > > dst_release(reply_dst); > > - return 0; > > + return NET_RX_SUCCESS; > > Most of the paths to out: are dropping the request for one reason or > another. > > If you want to do this right you need to split these two exit paths, convert > consume_skb() to kfree_skb() in the drop path, and then you can return > accurate NET_* codes.
You are right, I will change this part and sent another version later. Shengju