Staging: bcm: InterfaceRx.c: Outsourced code chunk

This patch outsources a chunk of code into a function.

Acked-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/bcm/InterfaceRx.c

@@ -21,6 +21,73 @@ static void handle_control_packet(struct bcm_interface_adapter *interface,
 	wake_up(&ad->process_rx_cntrlpkt);
 }
 
+static void format_eth_hdr_to_stack(struct bcm_interface_adapter *interface,
+				    struct bcm_mini_adapter *ad,
+				    struct bcm_leader *p_leader,
+				    struct sk_buff *skb,
+				    struct urb *urb,
+				    UINT ui_index,
+				    int queue_index,
+				    bool b_header_supression_endabled,
+				    int *process_done)
+{
+	/*
+	 * Data Packet, Format a proper Ethernet Header
+	 * and give it to the stack
+	 */
+	BCM_DEBUG_PRINT(interface->psAdapter, DBG_TYPE_RX, RX_DATA,
+			DBG_LVL_ALL, "Received Data pkt...");
+	skb_reserve(skb, 2 + SKB_RESERVE_PHS_BYTES);
+	memcpy(skb->data+ETH_HLEN, (PUCHAR)urb->transfer_buffer +
+	       sizeof(struct bcm_leader), p_leader->PLength);
+	skb->dev = ad->dev;
+
+	/* currently skb->len has extra ETH_HLEN bytes in the beginning */
+	skb_put(skb, p_leader->PLength + ETH_HLEN);
+	ad->PackInfo[queue_index].uiTotalRxBytes += p_leader->PLength;
+	ad->PackInfo[queue_index].uiThisPeriodRxBytes += p_leader->PLength;
+	BCM_DEBUG_PRINT(interface->psAdapter, DBG_TYPE_RX, RX_DATA,
+			DBG_LVL_ALL, "Received Data pkt of len :0x%X",
+			p_leader->PLength);
+
+	if (netif_running(ad->dev)) {
+		/* Moving ahead by ETH_HLEN to the data ptr as received from FW */
+		skb_pull(skb, ETH_HLEN);
+		PHSReceive(ad, p_leader->Vcid, skb, &skb->len,
+			   NULL, b_header_supression_endabled);
+
+		if (!ad->PackInfo[queue_index].bEthCSSupport) {
+			skb_push(skb, ETH_HLEN);
+
+			memcpy(skb->data, skb->dev->dev_addr, 6);
+			memcpy(skb->data+6, skb->dev->dev_addr, 6);
+			(*(skb->data+11))++;
+			*(skb->data+12) = 0x08;
+			*(skb->data+13) = 0x00;
+			p_leader->PLength += ETH_HLEN;
+		}
+
+		skb->protocol = eth_type_trans(skb, ad->dev);
+		*process_done = netif_rx(skb);
+	} else {
+		BCM_DEBUG_PRINT(interface->psAdapter, DBG_TYPE_RX,
+				RX_DATA, DBG_LVL_ALL,
+				"i/f not up hance freeing SKB...");
+		dev_kfree_skb(skb);
+	}
+
+	++ad->dev->stats.rx_packets;
+	ad->dev->stats.rx_bytes += p_leader->PLength;
+
+	for (ui_index = 0; ui_index < MIBS_MAX_HIST_ENTRIES; ui_index++) {
+		if ((p_leader->PLength <=
+		    MIBS_PKTSIZEHIST_RANGE*(ui_index+1)) &&
+			(p_leader->PLength > MIBS_PKTSIZEHIST_RANGE*(ui_index)))
+
+			ad->aRxPktSizeHist[ui_index]++;
+	}
+}
+
 static int SearchVcid(struct bcm_mini_adapter *Adapter, unsigned short usVcid)
 {
 	int iIndex = 0;
@@ -144,64 +211,10 @@ static void read_bulk_callback(struct urb *urb)
 		handle_control_packet(psIntfAdapter, Adapter, pLeader, skb,
 				      urb);
 	} else {
-		/*
-		 * Data Packet, Format a proper Ethernet Header
-		 * and give it to the stack
-		 */
-		BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DATA,
-				DBG_LVL_ALL, "Received Data pkt...");
-		skb_reserve(skb, 2 + SKB_RESERVE_PHS_BYTES);
-		memcpy(skb->data+ETH_HLEN, (PUCHAR)urb->transfer_buffer +
-		       sizeof(struct bcm_leader), pLeader->PLength);
-		skb->dev = Adapter->dev;
-
-		/* currently skb->len has extra ETH_HLEN bytes in the beginning */
-		skb_put(skb, pLeader->PLength + ETH_HLEN);
-		Adapter->PackInfo[QueueIndex].uiTotalRxBytes +=
-			pLeader->PLength;
-		Adapter->PackInfo[QueueIndex].uiThisPeriodRxBytes +=
-			pLeader->PLength;
-		BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX, RX_DATA,
-				DBG_LVL_ALL, "Received Data pkt of len :0x%X",
-				pLeader->PLength);
-
-		if (netif_running(Adapter->dev)) {
-			/* Moving ahead by ETH_HLEN to the data ptr as received from FW */
-			skb_pull(skb, ETH_HLEN);
-			PHSReceive(Adapter, pLeader->Vcid, skb, &skb->len,
-				   NULL, bHeaderSupressionEnabled);
-
-			if (!Adapter->PackInfo[QueueIndex].bEthCSSupport) {
-				skb_push(skb, ETH_HLEN);
-
-				memcpy(skb->data, skb->dev->dev_addr, 6);
-				memcpy(skb->data+6, skb->dev->dev_addr, 6);
-				(*(skb->data+11))++;
-				*(skb->data+12) = 0x08;
-				*(skb->data+13) = 0x00;
-				pLeader->PLength += ETH_HLEN;
-			}
-
-			skb->protocol = eth_type_trans(skb, Adapter->dev);
-			process_done = netif_rx(skb);
-		} else {
-			BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_RX,
-					RX_DATA, DBG_LVL_ALL,
-					"i/f not up hance freeing SKB...");
-			dev_kfree_skb(skb);
-		}
-
-		++Adapter->dev->stats.rx_packets;
-		Adapter->dev->stats.rx_bytes += pLeader->PLength;
-
-		for (uiIndex = 0; uiIndex < MIBS_MAX_HIST_ENTRIES; uiIndex++) {
-			if ((pLeader->PLength <=
-			    MIBS_PKTSIZEHIST_RANGE*(uiIndex+1)) &&
-				(pLeader->PLength >
-				 MIBS_PKTSIZEHIST_RANGE*(uiIndex)))
-
-				Adapter->aRxPktSizeHist[uiIndex]++;
-		}
+		format_eth_hdr_to_stack(psIntfAdapter, Adapter, pLeader, skb,
+					urb, uiIndex, QueueIndex,
+					bHeaderSupressionEnabled,
+					&process_done);
 	}
 	Adapter->PrevNumRecvDescs++;
 	pRcb->bUsed = false;