diff options
Diffstat (limited to 'target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h')
| -rw-r--r-- | target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h b/target/linux/brcm63xx/files/drivers/net/bcm63xx_enet.h index fe7ffc19c..dc78f5ae2 100644 --- 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_ */ |