[kernel] update to 2.6.27.32

[openwrt.git] / target / linux / brcm63xx / files / drivers / net / bcm63xx_enet.h

diff --git a/target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h b/target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h
index fe7ffc1..dc78f5a 100644 (file)
--- a/target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h
+++ b/target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h
@@ -23,9 +23,12 @@
  * not overflow the fifo  */
 #define BCMENET_TX_FIFO_TRESH  32
 
-/* maximum rx/tx packet size */
-#define        BCMENET_MAX_RX_SIZE     (ETH_FRAME_LEN + 4)
-#define        BCMENET_MAX_TX_SIZE     (ETH_FRAME_LEN + 4)
+/*
+ * hardware maximum rx/tx packet size including FCS, max mtu is
+ * actually 2047, but if we set max rx size register to 2047 we won't
+ * get overflow information if packet size is 2048 or above
+ */
+#define BCMENET_MAX_MTU                2046
 
 /*
  * rx/tx dma descriptor
@@ -202,6 +205,9 @@ struct bcm_enet_priv {
        /* next dirty rx descriptor to refill */
        int rx_dirty_desc;
 
+       /* size of allocated rx skbs */
+       unsigned int rx_skb_size;
+
        /* list of skb given to hw for rx */
        struct sk_buff **rx_skb;
 
@@ -289,6 +295,9 @@ struct bcm_enet_priv {
 
        /* platform device reference */
        struct platform_device *pdev;
+
+       /* maximum hardware transmit/receive size */
+       unsigned int hw_mtu;
 };
 
 #endif /* ! BCM63XX_ENET_H_ */