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Protocol definitions overlap with lwIP protocol definitions and net.h can not be included from lwIP code. Splitting on logical blocks makes that work. Signed-off-by: Maxim Uvarov --- include/net.h | 189 +-------------------------------------------- include/net/arp.h | 7 ++ include/net/eth.h | 190 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 201 insertions(+), 185 deletions(-) create mode 100644 include/net/arp.h create mode 100644 include/net/eth.h diff --git a/include/net.h b/include/net.h index de7baeb121..780c51fab9 100644 --- a/include/net.h +++ b/include/net.h @@ -20,6 +20,7 @@ #include #include #include +#include struct bd_info; struct cmd_tbl; @@ -30,25 +31,6 @@ struct udevice; #define DEBUG_NET_PKT 0 /* Packets on info on the network at large */ #define DEBUG_INT_STATE 0 /* Internal network state changes */ -/* - * The number of receive packet buffers, and the required packet buffer - * alignment in memory. - * - */ -#define PKTBUFSRX CONFIG_SYS_RX_ETH_BUFFER -#define PKTALIGN ARCH_DMA_MINALIGN - -/* Number of packets processed together */ -#define ETH_PACKETS_BATCH_RECV 32 - -/* ARP hardware address length */ -#define ARP_HLEN 6 -/* - * The size of a MAC address in string form, each digit requires two chars - * and five separator characters to form '00:00:00:00:00:00'. - */ -#define ARP_HLEN_ASCII (ARP_HLEN * 2) + (ARP_HLEN - 1) - /* IPv4 addresses are always 32 bits in size */ struct in_addr { __be32 s_addr; @@ -112,150 +94,7 @@ typedef void rxhand_icmp_f(unsigned type, unsigned code, unsigned dport, */ typedef void thand_f(void); -enum eth_state_t { - ETH_STATE_INIT, - ETH_STATE_PASSIVE, - ETH_STATE_ACTIVE -}; - -/** - * 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 - * @phy_interface: PHY interface to use - see PHY_INTERFACE_MODE_... - * @max_speed: Maximum speed of Ethernet connection supported by MAC - * @priv_pdata: device specific plat - */ -struct eth_pdata { - phys_addr_t iobase; - unsigned char enetaddr[ARP_HLEN]; - int phy_interface; - int max_speed; - void *priv_pdata; -}; - -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 - * - * 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. If so, set the pointer to the - * packet buffer in the packetp parameter. If not, return an error or 0 to - * indicate that the hardware receive FIFO is empty. If 0 is returned, the - * network stack will not process the empty packet, but free_pkt() will be - * called if supplied - * free_pkt: Give the driver an opportunity to manage its packet buffer memory - * when the network stack is finished processing it. This will only be - * called when no error was returned from recv - optional - * 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. 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 - * eth_pdata::enetaddr field - optional - * set_promisc: Enable or Disable promiscuous mode - * get_sset_count: Number of statistics counters - * get_string: Names of the statistic counters - * get_stats: The values of the statistic counters - */ -struct eth_ops { - int (*start)(struct udevice *dev); - int (*send)(struct udevice *dev, void *packet, int length); - int (*recv)(struct udevice *dev, int flags, uchar **packetp); - int (*free_pkt)(struct udevice *dev, uchar *packet, int length); - void (*stop)(struct udevice *dev); - int (*mcast)(struct udevice *dev, const u8 *enetaddr, int join); - int (*write_hwaddr)(struct udevice *dev); - int (*read_rom_hwaddr)(struct udevice *dev); - int (*set_promisc)(struct udevice *dev, bool enable); - int (*get_sset_count)(struct udevice *dev); - void (*get_strings)(struct udevice *dev, u8 *data); - void (*get_stats)(struct udevice *dev, u64 *data); -}; - -#define eth_get_ops(dev) ((struct eth_ops *)(dev)->driver->ops) - -struct udevice *eth_get_dev(void); /* get the current device */ -/* - * The devname can be either an exact name given by the driver or device tree - * or it can be an alias of the form "eth%d" - */ -struct udevice *eth_get_dev_by_name(const char *devname); -unsigned char *eth_get_ethaddr(void); /* get the current device MAC */ - -/* Used only when NetConsole is enabled */ -int eth_is_active(struct udevice *dev); /* Test device for active state */ -int eth_init_state_only(void); /* Set active state */ -void eth_halt_state_only(void); /* Set passive state */ - -int eth_initialize(void); /* Initialize network subsystem */ -void eth_try_another(int first_restart); /* Change the device */ -void eth_set_current(void); /* set nterface to ethcur var */ - -int eth_get_dev_index(void); /* get the device index */ - -/** - * eth_env_set_enetaddr_by_index() - set the MAC address environment variable - * - * This sets up an environment variable with the given MAC address (@enetaddr). - * The environment variable to be set is defined by <@base_name><@index>addr. - * If @index is 0 it is omitted. For common Ethernet this means ethaddr, - * eth1addr, etc. - * - * @base_name: Base name for variable, typically "eth" - * @index: Index of interface being updated (>=0) - * @enetaddr: Pointer to MAC address to put into the variable - * Return: 0 if OK, other value on error - */ -int eth_env_set_enetaddr_by_index(const char *base_name, int index, - uchar *enetaddr); - - -/* - * Initialize USB ethernet device with CONFIG_DM_ETH - * Returns: - * 0 is success, non-zero is error status. - */ -int usb_ether_init(void); - -/* - * Get the hardware address for an ethernet interface . - * Args: - * base_name - base name for device (normally "eth") - * index - device index number (0 for first) - * enetaddr - returns 6 byte hardware address - * Returns: - * Return true if the address is valid. - */ -int eth_env_get_enetaddr_by_index(const char *base_name, int index, - uchar *enetaddr); - -int eth_init(void); /* Initialize the device */ -int eth_send(void *packet, int length); /* Send a packet */ - -#if defined(CONFIG_API) || defined(CONFIG_EFI_LOADER) -int eth_receive(void *packet, int length); /* Receive a packet*/ -extern void (*push_packet)(void *packet, int length); -#endif -int eth_rx(void); /* Check for received packets */ -void eth_halt(void); /* stop SCC */ -const char *eth_get_name(void); /* get name of current device */ -int eth_mcast_join(struct in_addr mcast_addr, int join); +#include /**********************************************************************/ /* @@ -495,16 +334,6 @@ extern char net_root_path[CONFIG_BOOTP_MAX_ROOT_PATH_LEN]; /* Our root path */ /* Indicates whether the pxe path prefix / config file was specified in dhcp option */ extern char *pxelinux_configfile; /** END OF BOOTP EXTENTIONS **/ -extern u8 net_ethaddr[ARP_HLEN]; /* Our ethernet address */ -extern u8 net_server_ethaddr[ARP_HLEN]; /* Boot server enet address */ -extern struct in_addr net_ip; /* Our IP addr (0 = unknown) */ -extern struct in_addr net_server_ip; /* Server IP addr (0 = unknown) */ -extern uchar *net_tx_packet; /* THE transmit packet */ -extern uchar *net_rx_packets[PKTBUFSRX]; /* Receive packets */ -extern uchar *net_rx_packet; /* Current receive packet */ -extern int net_rx_packet_len; /* Current rx packet length */ -extern const u8 net_bcast_ethaddr[ARP_HLEN]; /* Ethernet broadcast address */ -extern const u8 net_null_ethaddr[ARP_HLEN]; #define VLAN_NONE 4095 /* untagged */ #define VLAN_IDMASK 0x0fff /* mask of valid vlan id */ @@ -557,6 +386,8 @@ extern struct in_addr net_ntp_server; /* the ip address to NTP */ extern int net_ntp_time_offset; /* offset time from UTC */ #endif +int eth_mcast_join(struct in_addr mcast_addr, int join); + /* Initialize the network adapter */ int net_init(void); int net_loop(enum proto_t); @@ -827,18 +658,6 @@ static inline void net_random_ethaddr(uchar *addr) addr[0] |= 0x02; /* set local assignment bit (IEEE802) */ } -/** - * string_to_enetaddr() - Parse a MAC address - * - * Convert a string MAC address - * - * Implemented in lib/net_utils.c (built unconditionally) - * - * @addr: MAC address in aa:bb:cc:dd:ee:ff format, where each part is a 2-digit - * hex value - * @enetaddr: Place to put MAC address (6 bytes) - */ -void string_to_enetaddr(const char *addr, uint8_t *enetaddr); /* Convert an IP address to a string */ void ip_to_string(struct in_addr x, char *s); diff --git a/include/net/arp.h b/include/net/arp.h new file mode 100644 index 0000000000..f614f0ef78 --- /dev/null +++ b/include/net/arp.h @@ -0,0 +1,7 @@ +/* ARP hardware address length */ +#define ARP_HLEN 6 +/* + * The size of a MAC address in string form, each digit requires two chars + * and five separator characters to form '00:00:00:00:00:00'. + */ +#define ARP_HLEN_ASCII (ARP_HLEN * 2) + (ARP_HLEN - 1) diff --git a/include/net/eth.h b/include/net/eth.h new file mode 100644 index 0000000000..17552bca81 --- /dev/null +++ b/include/net/eth.h @@ -0,0 +1,190 @@ +#include + +struct udevice; + +enum eth_state_t { + ETH_STATE_INIT, + ETH_STATE_PASSIVE, + ETH_STATE_ACTIVE +}; + +/** + * 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 + * @phy_interface: PHY interface to use - see PHY_INTERFACE_MODE_... + * @max_speed: Maximum speed of Ethernet connection supported by MAC + * @priv_pdata: device specific plat + */ +struct eth_pdata { + phys_addr_t iobase; + unsigned char enetaddr[ARP_HLEN]; + int phy_interface; + int max_speed; + void *priv_pdata; +}; + +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 + * + * 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. If so, set the pointer to the + * packet buffer in the packetp parameter. If not, return an error or 0 to + * indicate that the hardware receive FIFO is empty. If 0 is returned, the + * network stack will not process the empty packet, but free_pkt() will be + * called if supplied + * free_pkt: Give the driver an opportunity to manage its packet buffer memory + * when the network stack is finished processing it. This will only be + * called when no error was returned from recv - optional + * 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. 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 + * eth_pdata::enetaddr field - optional + * set_promisc: Enable or Disable promiscuous mode + * get_sset_count: Number of statistics counters + * get_string: Names of the statistic counters + * get_stats: The values of the statistic counters + */ +struct eth_ops { + int (*start)(struct udevice *dev); + int (*send)(struct udevice *dev, void *packet, int length); + int (*recv)(struct udevice *dev, int flags, uchar **packetp); + int (*free_pkt)(struct udevice *dev, uchar *packet, int length); + void (*stop)(struct udevice *dev); + int (*mcast)(struct udevice *dev, const u8 *enetaddr, int join); + int (*write_hwaddr)(struct udevice *dev); + int (*read_rom_hwaddr)(struct udevice *dev); + int (*set_promisc)(struct udevice *dev, bool enable); + int (*get_sset_count)(struct udevice *dev); + void (*get_strings)(struct udevice *dev, u8 *data); + void (*get_stats)(struct udevice *dev, u64 *data); +}; + +#define eth_get_ops(dev) ((struct eth_ops *)(dev)->driver->ops) + +struct udevice *eth_get_dev(void); /* get the current device */ +/* + * The devname can be either an exact name given by the driver or device tree + * or it can be an alias of the form "eth%d" + */ +struct udevice *eth_get_dev_by_name(const char *devname); +unsigned char *eth_get_ethaddr(void); /* get the current device MAC */ + +/* Used only when NetConsole is enabled */ +int eth_is_active(struct udevice *dev); /* Test device for active state */ +int eth_init_state_only(void); /* Set active state */ +void eth_halt_state_only(void); /* Set passive state */ + +int eth_initialize(void); /* Initialize network subsystem */ +void eth_try_another(int first_restart); /* Change the device */ +void eth_set_current(void); /* set nterface to ethcur var */ + +int eth_get_dev_index(void); /* get the device index */ + +/** + * eth_env_set_enetaddr_by_index() - set the MAC address environment variable + * + * This sets up an environment variable with the given MAC address (@enetaddr). + * The environment variable to be set is defined by <@base_name><@index>addr. + * If @index is 0 it is omitted. For common Ethernet this means ethaddr, + * eth1addr, etc. + * + * @base_name: Base name for variable, typically "eth" + * @index: Index of interface being updated (>=0) + * @enetaddr: Pointer to MAC address to put into the variable + * Return: 0 if OK, other value on error + */ +int eth_env_set_enetaddr_by_index(const char *base_name, int index, + uchar *enetaddr); + + +/* + * Initialize USB ethernet device with CONFIG_DM_ETH + * Returns: + * 0 is success, non-zero is error status. + */ +int usb_ether_init(void); + +/* + * Get the hardware address for an ethernet interface . + * Args: + * base_name - base name for device (normally "eth") + * index - device index number (0 for first) + * enetaddr - returns 6 byte hardware address + * Returns: + * Return true if the address is valid. + */ +int eth_env_get_enetaddr_by_index(const char *base_name, int index, + uchar *enetaddr); + +int eth_init(void); /* Initialize the device */ +int eth_send(void *packet, int length); /* Send a packet */ + +#if defined(CONFIG_API) || defined(CONFIG_EFI_LOADER) +int eth_receive(void *packet, int length); /* Receive a packet*/ +extern void (*push_packet)(void *packet, int length); +#endif +int eth_rx(void); /* Check for received packets */ +void eth_halt(void); /* stop SCC */ +const char *eth_get_name(void); /* get name of current device */ + +/* + * The number of receive packet buffers, and the required packet buffer + * alignment in memory. + * + */ +#define PKTBUFSRX CONFIG_SYS_RX_ETH_BUFFER +#define PKTALIGN ARCH_DMA_MINALIGN + +/* Number of packets processed together */ +#define ETH_PACKETS_BATCH_RECV 32 + +extern u8 net_ethaddr[ARP_HLEN]; /* Our ethernet address */ +extern u8 net_server_ethaddr[ARP_HLEN]; /* Boot server enet address */ +extern struct in_addr net_ip; /* Our IP addr (0 = unknown) */ +extern struct in_addr net_server_ip; /* Server IP addr (0 = unknown) */ +extern uchar *net_tx_packet; /* THE transmit packet */ +extern uchar *net_rx_packets[PKTBUFSRX]; /* Receive packets */ +extern uchar *net_rx_packet; /* Current receive packet */ +extern int net_rx_packet_len; /* Current rx packet length */ +extern const u8 net_bcast_ethaddr[ARP_HLEN]; /* Ethernet broadcast address */ +extern const u8 net_null_ethaddr[ARP_HLEN]; + +/** + * string_to_enetaddr() - Parse a MAC address + * + * Convert a string MAC address + * + * Implemented in lib/net_utils.c (built unconditionally) + * + * @addr: MAC address in aa:bb:cc:dd:ee:ff format, where each part is a 2-digit + * hex value + * @enetaddr: Place to put MAC address (6 bytes) + */ +void string_to_enetaddr(const char *addr, uint8_t *enetaddr); + +typedef struct ulwip { + bool loop; + int err; + bool init_done; +} ulwip; + +struct ulwip *eth_lwip_priv(struct udevice *current);