spidernet: Fix problem sending IP fragments

[cascardo/linux.git] / drivers / net / spider_net.c

diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 653a91a..e3019d5 100644 (file)
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -719,7 +719,7 @@ spider_net_prepare_tx_descr(struct spider_net_card *card,
                        SPIDER_NET_DESCR_CARDOWNED | SPIDER_NET_DMAC_NOCS;
        spin_unlock_irqrestore(&chain->lock, flags);
 
-       if (skb->protocol == htons(ETH_P_IP))
+       if (skb->protocol == htons(ETH_P_IP) && skb->ip_summed == CHECKSUM_PARTIAL)
                switch (skb->nh.iph->protocol) {
                case IPPROTO_TCP:
                        hwdescr->dmac_cmd_status |= SPIDER_NET_DMAC_TCP;
@@ -1053,14 +1053,15 @@ static void show_rx_chain(struct spider_net_card *card)
 #endif
 
 /**
- * spider_net_decode_one_descr - processes an rx descriptor
+ * spider_net_decode_one_descr - processes an RX descriptor
  * @card: card structure
  *
- * Returns 1 if a packet has been sent to the stack, otherwise 0
+ * Returns 1 if a packet has been sent to the stack, otherwise 0.
  *
- * Processes an rx descriptor by iommu-unmapping the data buffer and passing
- * the packet up to the stack. This function is called in softirq
- * context, e.g. either bottom half from interrupt or NAPI polling context
+ * Processes an RX descriptor by iommu-unmapping the data buffer
+ * and passing the packet up to the stack. This function is called
+ * in softirq context, e.g. either bottom half from interrupt or
+ * NAPI polling context.
  */
 static int
 spider_net_decode_one_descr(struct spider_net_card *card)
@@ -1097,7 +1098,7 @@ spider_net_decode_one_descr(struct spider_net_card *card)
        if ( (status != SPIDER_NET_DESCR_COMPLETE) &&
             (status != SPIDER_NET_DESCR_FRAME_END) ) {
                if (netif_msg_rx_err(card))
-                       pr_err("%s: RX descriptor with unkown state %d\n",
+                       pr_err("%s: RX descriptor with unknown state %d\n",
                               card->netdev->name, status);
                card->spider_stats.rx_desc_unk_state++;
                goto bad_desc;