sungem endianness annotations�

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
git-mirror · Jan 28, 2008 · 439104b · 439104b
1 parent f3ec33e
commit 439104b
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Showing 2 changed files with 9 additions and 7 deletions.
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
@@ -758,6 +758,7 @@ static int gem_rx(struct gem *gp, int work_to_do)
 {
 	int entry, drops, work_done = 0;
 	u32 done;
+	__sum16 csum;
 
 	if (netif_msg_rx_status(gp))
 		printk(KERN_DEBUG "%s: rx interrupt, done: %d, rx_new: %d\n",
@@ -769,7 +770,7 @@ static int gem_rx(struct gem *gp, int work_to_do)
 	for (;;) {
 		struct gem_rxd *rxd = &gp->init_block->rxd[entry];
 		struct sk_buff *skb;
-		u64 status = cpu_to_le64(rxd->status_word);
+		u64 status = le64_to_cpu(rxd->status_word);
 		dma_addr_t dma_addr;
 		int len;
 
@@ -811,7 +812,7 @@ static int gem_rx(struct gem *gp, int work_to_do)
 			goto next;
 		}
 
-		dma_addr = cpu_to_le64(rxd->buffer);
+		dma_addr = le64_to_cpu(rxd->buffer);
 		if (len > RX_COPY_THRESHOLD) {
 			struct sk_buff *new_skb;
 
@@ -853,7 +854,8 @@ static int gem_rx(struct gem *gp, int work_to_do)
 			skb = copy_skb;
 		}
 
-		skb->csum = ntohs((status & RXDCTRL_TCPCSUM) ^ 0xffff);
+		csum = (__force __sum16)htons((status & RXDCTRL_TCPCSUM) ^ 0xffff);
+		skb->csum = csum_unfold(csum);
 		skb->ip_summed = CHECKSUM_COMPLETE;
 		skb->protocol = eth_type_trans(skb, gp->dev);
 

diff --git a/drivers/net/sungem.h b/drivers/net/sungem.h
@@ -828,8 +828,8 @@
  * DMA mappings for a transmitted packet.
  */
 struct gem_txd {
-	u64	control_word;
-	u64	buffer;
+	__le64	control_word;
+	__le64	buffer;
 };
 
 #define TXDCTRL_BUFSZ	0x0000000000007fffULL	/* Buffer Size		*/
@@ -863,8 +863,8 @@ struct gem_txd {
  * by the host driver just as in the TX descriptor case above.
  */
 struct gem_rxd {
-	u64	status_word;
-	u64	buffer;
+	__le64	status_word;
+	__le64	buffer;
 };
 
 #define RXDCTRL_TCPCSUM	0x000000000000ffffULL	/* TCP Pseudo-CSUM	*/