diff options
Diffstat (limited to 'include/net.h')
| -rw-r--r-- | include/net.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/net.h b/include/net.h index d17173d818..d09bec9de1 100644 --- a/include/net.h +++ b/include/net.h @@ -93,6 +93,14 @@ struct eth_pdata { 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 * @@ -111,7 +119,9 @@ struct eth_pdata { * 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 @@ -120,7 +130,7 @@ struct eth_pdata { 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 |