diff options
Diffstat (limited to 'include/net.h')
| -rw-r--r-- | include/net.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/net.h b/include/net.h index df5b648..9c5dea5 100644 --- a/include/net.h +++ b/include/net.h @@ -78,6 +78,57 @@ enum eth_state_t { ETH_STATE_ACTIVE }; +#ifdef CONFIG_DM_ETH +/** + * struct eth_pdata - Platform data for Ethernet MAC controllers + * + * @iobase: The base address of the hardware registers + * @enetaddr: The Ethernet MAC address that is loaded from EEPROM or env + */ +struct eth_pdata { + phys_addr_t iobase; + unsigned char enetaddr[6]; +}; + +/** + * struct eth_ops - functions of Ethernet MAC controllers + * + * start: Prepare the hardware to send and receive packets + * send: Send the bytes passed in "packet" as a packet on the wire + * recv: Check if the hardware received a packet. Call the network stack if so + * stop: Stop the hardware from looking for packets - may be called even if + * state == PASSIVE + * 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 + * 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 + * eth_pdata::enetaddr field - optional + */ +struct eth_ops { + int (*start)(struct udevice *dev); + int (*send)(struct udevice *dev, void *packet, int length); + int (*recv)(struct udevice *dev); + void (*stop)(struct udevice *dev); +#ifdef CONFIG_MCAST_TFTP + int (*mcast)(struct udevice *dev, const u8 *enetaddr, int join); +#endif + int (*write_hwaddr)(struct udevice *dev); + int (*read_rom_hwaddr)(struct udevice *dev); +}; + +#define eth_get_ops(dev) ((struct eth_ops *)(dev)->driver->ops) + +struct udevice *eth_get_dev(void); /* get the current device */ +unsigned char *eth_get_ethaddr(void); /* get the current device MAC */ +/* Used only when NetConsole is enabled */ +int eth_init_state_only(void); /* Set active state */ +void eth_halt_state_only(void); /* Set passive state */ +#endif + +#ifndef CONFIG_DM_ETH struct eth_device { char name[16]; unsigned char enetaddr[6]; @@ -144,6 +195,7 @@ int eth_write_hwaddr(struct eth_device *dev, const char *base_name, int eth_number); int usb_eth_initialize(bd_t *bi); +#endif int eth_initialize(void); /* Initialize network subsystem */ void eth_try_another(int first_restart); /* Change the device */ |