int phy_interface;
};
+enum eth_recv_flags {
+ /*
+ * Check hardware device for new packets (otherwise only return those
+ * which are already in the memory buffer ready to process)
+ */
+ ETH_RECV_CHECK_DEVICE = 1 << 0,
+};
+
/**
* struct eth_ops - functions of Ethernet MAC controllers
*
* mcast: Join or leave a multicast group (for TFTP) - optional
* write_hwaddr: Write a MAC address to the hardware (used to pass it to Linux
* on some platforms like ARM). This function expects the
- * eth_pdata::enetaddr field to be populated - optional
+ * eth_pdata::enetaddr field to be populated. The method can
+ * return -ENOSYS to indicate that this is not implemented for
+ this hardware - optional.
* read_rom_hwaddr: Some devices have a backup of the MAC address stored in a
* ROM on the board. This is how the driver should expose it
* to the network stack. This function should fill in the
struct eth_ops {
int (*start)(struct udevice *dev);
int (*send)(struct udevice *dev, void *packet, int length);
- int (*recv)(struct udevice *dev, uchar **packetp);
+ int (*recv)(struct udevice *dev, int flags, uchar **packetp);
int (*free_pkt)(struct udevice *dev, uchar *packet, int length);
void (*stop)(struct udevice *dev);
#ifdef CONFIG_MCAST_TFTP