niu: Add GRO support.

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/niu.c

@@ -3441,7 +3441,8 @@ static int niu_rx_pkt_ignore(struct niu *np, struct rx_ring_info *rp)
 	return num_rcr;
 }
 
-static int niu_process_rx_pkt(struct niu *np, struct rx_ring_info *rp)
+static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
+			      struct rx_ring_info *rp)
 {
 	unsigned int index = rp->rcr_index;
 	struct sk_buff *skb;
@@ -3518,7 +3519,7 @@ static int niu_process_rx_pkt(struct niu *np, struct rx_ring_info *rp)
 
 	skb->protocol = eth_type_trans(skb, np->dev);
 	skb_record_rx_queue(skb, rp->rx_channel);
-	netif_receive_skb(skb);
+	napi_gro_receive(napi, skb);
 
 	return num_rcr;
 }
@@ -3706,7 +3707,8 @@ static inline void niu_sync_rx_discard_stats(struct niu *np,
 	}
 }
 
-static int niu_rx_work(struct niu *np, struct rx_ring_info *rp, int budget)
+static int niu_rx_work(struct napi_struct *napi, struct niu *np,
+		       struct rx_ring_info *rp, int budget)
 {
 	int qlen, rcr_done = 0, work_done = 0;
 	struct rxdma_mailbox *mbox = rp->mbox;
@@ -3728,7 +3730,7 @@ static int niu_rx_work(struct niu *np, struct rx_ring_info *rp, int budget)
 	rcr_done = work_done = 0;
 	qlen = min(qlen, budget);
 	while (work_done < qlen) {
-		rcr_done += niu_process_rx_pkt(np, rp);
+		rcr_done += niu_process_rx_pkt(napi, np, rp);
 		work_done++;
 	}
 
@@ -3776,7 +3778,7 @@ static int niu_poll_core(struct niu *np, struct niu_ldg *lp, int budget)
 		if (rx_vec & (1 << rp->rx_channel)) {
 			int this_work_done;
 
-			this_work_done = niu_rx_work(np, rp,
+			this_work_done = niu_rx_work(&lp->napi, np, rp,
 						     budget);
 
 			budget -= this_work_done;