Staging: sxg: Add checksum control option through ethtool interface

[pandora-kernel.git] / drivers / staging / sxg / sxg.c

diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c
index 09ff800..d52212a 100644 (file)
--- a/drivers/staging/sxg/sxg.c
+++ b/drivers/staging/sxg/sxg.c
@@ -1486,23 +1486,25 @@ static int sxg_process_isr(struct adapter_t *adapter, u32 MessageId)
  * sxg_rcv_checksum - Set the checksum for received packet
  *
  * Arguements:
+ *             @adapter - Adapter structure on which packet is received
  *             @skb - Packet which is receieved
  *             @Event - Event read from hardware
  */
 
-void sxg_rcv_checksum(struct sk_buff *skb, struct sxg_event *Event)
+void sxg_rcv_checksum(struct adapter_t *adapter, struct sk_buff *skb,
+                        struct sxg_event *Event)
 {
        skb->ip_summed = CHECKSUM_NONE;
-       if(Event->Status & EVENT_STATUS_TCPIP) {
-               if(!(Event->Status & EVENT_STATUS_TCPBAD)) {
-                       skb->ip_summed = CHECKSUM_UNNECESSARY;
-               }
-               if(!(Event->Status & EVENT_STATUS_IPBAD)) {
-                       skb->ip_summed = CHECKSUM_UNNECESSARY;
-               }
-       } else if(Event->Status & EVENT_STATUS_IPONLY) {
-               if(!(Event->Status & EVENT_STATUS_IPBAD)) {
+       if (likely(adapter->flags & SXG_RCV_IP_CSUM_ENABLED)) {
+               if (likely(adapter->flags & SXG_RCV_TCP_CSUM_ENABLED)
+                       && (Event->Status & EVENT_STATUS_TCPIP)) {
+                       if(!(Event->Status & EVENT_STATUS_TCPBAD))
+                               skb->ip_summed = CHECKSUM_UNNECESSARY;
+               if(!(Event->Status & EVENT_STATUS_IPBAD))
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
+               } else if(Event->Status & EVENT_STATUS_IPONLY) {
+                       if(!(Event->Status & EVENT_STATUS_IPBAD))
+                               skb->ip_summed = CHECKSUM_UNNECESSARY;
                }
        }
 }
@@ -1581,7 +1583,7 @@ static u32 sxg_process_event_queue(struct adapter_t *adapter, u32 RssId,
                                rx_bytes = Event->Length;
                                adapter->stats.rx_packets++;
                                adapter->stats.rx_bytes += rx_bytes;
-                               sxg_rcv_checksum(skb, Event);
+                               sxg_rcv_checksum(adapter, skb, Event);
                                skb->dev = adapter->netdev;
                                netif_receive_skb(skb);
 #endif