[PATCH v5 05/20] net: split include/net.h into net{, -common, -legacy, -lwip}.h

Jerome Forissier
2024-07-25T12:59:25Z

Make net.h a wrapper which includes net-common.h and either
net-legacy.h or net-lwip.h based on NET_LWIP.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
---
Makefile | 4 +-
include/net-common.h | 412 +++++++++++++++++++
include/net-legacy.h | 635 +++++++++++++++++++++++++++++
include/net-lwip.h | 14 +
include/net.h | 944 +------------------------------------------
5 files changed, 1068 insertions(+), 941 deletions(-)
create mode 100644 include/net-common.h
create mode 100644 include/net-legacy.h
create mode 100644 include/net-lwip.h

diff --git a/Makefile b/Makefile
index 07d7947c8af..59925332c48 100644
--- a/Makefile
+++ b/Makefile
@@ -836,7 +836,9 @@ UBOOTINCLUDE := \
-I$(srctree)/arch/arm/thumb1/include)) \
-I$(srctree)/arch/$(ARCH)/include \
-include $(srctree)/include/linux/kconfig.h \
- -I$(srctree)/dts/upstream/include
+ -I$(srctree)/dts/upstream/include \
+ $(if $(CONFIG_NET_LWIP), -I$(srctree)/lib/lwip/lwip/src/include \
+ -I$(srctree)/lib/lwip/u-boot)

NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)

diff --git a/include/net-common.h b/include/net-common.h
new file mode 100644
index 00000000000..29342b6eee5
--- /dev/null
+++ b/include/net-common.h
@@ -0,0 +1,412 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __NET_COMMON_H__
+#define __NET_COMMON_H__
+
+#include <asm/cache.h>
+#include <command.h>
+#include <env.h>
+#include <hexdump.h>
+#include <linux/if_ether.h>
+#include <linux/types.h>
+#include <time.h>
+
+#define DEBUG_NET_PKT_TRACE 0 /* Trace all packet data */
+
+/*
+ * 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
+
+/* IPv4 addresses are always 32 bits in size */
+struct in_addr {
+ __be32 s_addr;
+};
+
+#define PROT_IP 0x0800 /* IP protocol */
+#define PROT_ARP 0x0806 /* IP ARP protocol */
+#define PROT_WOL 0x0842 /* ether-wake WoL protocol */
+#define PROT_RARP 0x8035 /* IP ARP protocol */
+#define PROT_VLAN 0x8100 /* IEEE 802.1q protocol */
+#define PROT_IPV6 0x86dd /* IPv6 over bluebook */
+#define PROT_PPP_SES 0x8864 /* PPPoE session messages */
+#define PROT_NCSI 0x88f8 /* NC-SI control packets */
+
+#define IPPROTO_ICMP 1 /* Internet Control Message Protocol */
+#define IPPROTO_TCP 6 /* Transmission Control Protocol */
+#define IPPROTO_UDP 17 /* User Datagram Protocol */
+
+#define IP_OFFS 0x1fff /* ip offset *= 8 */
+#define IP_FLAGS 0xe000 /* first 3 bits */
+#define IP_FLAGS_RES 0x8000 /* reserved */
+#define IP_FLAGS_DFRAG 0x4000 /* don't fragments */
+#define IP_FLAGS_MFRAG 0x2000 /* more fragments */
+
+#define IP_HDR_SIZE (sizeof(struct ip_hdr))
+
+#define IP_MIN_FRAG_DATAGRAM_SIZE (IP_HDR_SIZE + 8)
+
+
+/*
+ * Internet Protocol (IP) + UDP header.
+ */
+struct ip_udp_hdr {
+ u8 ip_hl_v; /* header length and version */
+ u8 ip_tos; /* type of service */
+ u16 ip_len; /* total length */
+ u16 ip_id; /* identification */
+ u16 ip_off; /* fragment offset field */
+ u8 ip_ttl; /* time to live */
+ u8 ip_p; /* protocol */
+ u16 ip_sum; /* checksum */
+ struct in_addr ip_src; /* Source IP address */
+ struct in_addr ip_dst; /* Destination IP address */
+ u16 udp_src; /* UDP source port */
+ u16 udp_dst; /* UDP destination port */
+ u16 udp_len; /* Length of UDP packet */
+ u16 udp_xsum; /* Checksum */
+} __attribute__((packed));
+
+#define IP_UDP_HDR_SIZE (sizeof(struct ip_udp_hdr))
+#define UDP_HDR_SIZE (IP_UDP_HDR_SIZE - IP_HDR_SIZE)
+
+/* 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)
+
+# define ARP_ETHER 1 /* Ethernet hardware address */
+
+/*
+ * Maximum packet size; used to allocate packet storage. Use
+ * the maxium Ethernet frame size as specified by the Ethernet
+ * standard including the 802.1Q tag (VLAN tagging).
+ * maximum packet size = 1522
+ * maximum packet size and multiple of 32 bytes = 1536
+ */
+#define PKTSIZE 1522
+#ifndef CONFIG_DM_DSA
+#define PKTSIZE_ALIGN 1536
+#else
+/* Maximum DSA tagging overhead (headroom and/or tailroom) */
+#define DSA_MAX_OVR 256
+#define PKTSIZE_ALIGN (1536 + DSA_MAX_OVR)
+#endif
+
+extern int net_restart_wrap; /* Tried all network devices */
+extern uchar *net_rx_packets[PKTBUFSRX]; /* Receive packets */
+
+/*
+ * 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);
+int eth_is_active(struct udevice *dev); /* Test device for active state */
+
+/*
+ * 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);
+
+/**
+ * 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);
+
+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 */
+
+static inline void net_send_packet(uchar *pkt, int len)
+{
+ if (DEBUG_NET_PKT_TRACE)
+ print_hex_dump_bytes("tx: ", DUMP_PREFIX_OFFSET, pkt, len);
+ /* Currently no way to return errors from eth_send() */
+ (void) eth_send(pkt, len);
+}
+
+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 */
+unsigned char *eth_get_ethaddr(void); /* get the current device MAC */
+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_get_dev_index(void);
+
+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 */
+
+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;
+};
+
+struct ethernet_hdr {
+ u8 et_dest[ARP_HLEN]; /* Destination node */
+ u8 et_src[ARP_HLEN]; /* Source node */
+ u16 et_protlen; /* Protocol or length */
+} __attribute__((packed));
+
+/* Ethernet header size */
+#define ETHER_HDR_SIZE (sizeof(struct ethernet_hdr))
+
+/**
+ * is_zero_ethaddr - Determine if give Ethernet address is all zeros.
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Return true if the address is all zeroes.
+ */
+static inline int is_zero_ethaddr(const u8 *addr)
+{
+ return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
+}
+
+/**
+ * is_multicast_ethaddr - Determine if the Ethernet address is a multicast.
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Return true if the address is a multicast address.
+ * By definition the broadcast address is also a multicast address.
+ */
+static inline int is_multicast_ethaddr(const u8 *addr)
+{
+ return 0x01 & addr[0];
+}
+
+/*
+ * is_broadcast_ethaddr - Determine if the Ethernet address is broadcast
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Return true if the address is the broadcast address.
+ */
+static inline int is_broadcast_ethaddr(const u8 *addr)
+{
+ return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) ==
+ 0xff;
+}
+
+/*
+ * is_valid_ethaddr - Determine if the given Ethernet address is valid
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
+ * a multicast address, and is not FF:FF:FF:FF:FF:FF.
+ *
+ * Return true if the address is valid.
+ */
+static inline int is_valid_ethaddr(const u8 *addr)
+{
+ /* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
+ * explicitly check for it here. */
+ return !is_multicast_ethaddr(addr) && !is_zero_ethaddr(addr);
+}
+
+/**
+ * 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);
+
+/**
+ * string_to_ip() - Convert a string to ip address
+ *
+ * Implemented in lib/net_utils.c (built unconditionally)
+ *
+ * @s: Input string to parse
+ * @return: in_addr struct containing the parsed IP address
+ */
+struct in_addr string_to_ip(const char *s);
+
+/* Processes a received packet */
+void net_process_received_packet(uchar *in_packet, int len);
+
+/**
+ * update_tftp - Update firmware over TFTP (via DFU)
+ *
+ * This function updates board's firmware via TFTP
+ *
+ * @param addr - memory address where data is stored
+ * @param interface - the DFU medium name - e.g. "mmc"
+ * @param devstring - the DFU medium number - e.g. "1"
+ *
+ * Return: - 0 on success, other value on failure
+ */
+int update_tftp(ulong addr, char *interface, char *devstring);
+
+/**
+ * env_get_ip() - Convert an environment value to to an ip address
+ *
+ * @var: Environment variable to convert. The value of this variable must be
+ * in the format format a.b.c.d, where each value is a decimal number from
+ * 0 to 255
+ * Return: IP address, or 0 if invalid
+ */
+static inline struct in_addr env_get_ip(char *var)
+{
+ return string_to_ip(env_get(var));
+}
+
+int net_init(void);
+
+/**
+ * dhcp_run() - Run DHCP on the current ethernet device
+ *
+ * This sets the autoload variable, then puts it back to similar to its original
+ * state (y, n or unset).
+ *
+ * @addr: Address to load the file into (0 if @autoload is false)
+ * @fname: Filename of file to load (NULL if @autoload is false or to use the
+ * default filename)
+ * @autoload: true to load the file, false to just get the network IP
+ * @return 0 if OK, -EINVAL if the environment failed, -ENOENT if ant file was
+ * not found
+ */
+int dhcp_run(ulong addr, const char *fname, bool autoload);
+
+/**
+ * do_tftpb - Run the tftpboot command
+ *
+ * @cmdtp: Command information for tftpboot
+ * @flag: Command flags (CMD_FLAG_...)
+ * @argc: Number of arguments
+ * @argv: List of arguments
+ * Return: result (see enum command_ret_t)
+ */
+int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
+
+/**
+ * wget_with_dns() - runs dns host IP address resulution before wget
+ *
+ * @dst_addr: destination address to download the file
+ * @uri: uri string of target file of wget
+ * Return: downloaded file size, negative if failed
+ */
+int wget_with_dns(ulong dst_addr, char *uri);
+/**
+ * wget_validate_uri() - varidate the uri
+ *
+ * @uri: uri string of target file of wget
+ * Return: true if uri is valid, false if uri is invalid
+ */
+bool wget_validate_uri(char *uri);
+//int do_wget(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[]);
+
+#endif /* __NET_COMMON_H__ */
diff --git a/include/net-legacy.h b/include/net-legacy.h
new file mode 100644
index 00000000000..56575558e07
--- /dev/null
+++ b/include/net-legacy.h
@@ -0,0 +1,635 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * LiMon Monitor (LiMon) - Network.
+ *
+ * Copyright 1994 - 2000 Neil Russell.
+ * (See License)
+ *
+ * History
+ * 9/16/00 bor adapted to TQM823L/STK8xxL board, RARP/TFTP boot added
+ */
+
+#ifndef __NET_LEGACY_H__
+#define __NET_LEGACY_H__
+
+#include <linux/types.h>
+#include <asm/byteorder.h> /* for nton* / ntoh* stuff */
+#include <log.h>
+#include <time.h>
+#include <linux/if_ether.h>
+#include <rand.h>
+
+struct bd_info;
+struct cmd_tbl;
+struct udevice;
+
+#define DEBUG_LL_STATE 0 /* Link local state machine changes */
+#define DEBUG_DEV_PKT 0 /* Packets or info directed to the device */
+#define DEBUG_NET_PKT 0 /* Packets on info on the network at large */
+#define DEBUG_INT_STATE 0 /* Internal network state changes */
+
+/* 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)
+
+/**
+ * An incoming packet handler.
+ * @param pkt pointer to the application packet
+ * @param dport destination UDP port
+ * @param sip source IP address
+ * @param sport source UDP port
+ * @param len packet length
+ */
+typedef void rxhand_f(uchar *pkt, unsigned dport,
+ struct in_addr sip, unsigned sport,
+ unsigned len);
+
+/**
+ * An incoming ICMP packet handler.
+ * @param type ICMP type
+ * @param code ICMP code
+ * @param dport destination UDP port
+ * @param sip source IP address
+ * @param sport source UDP port
+ * @param pkt pointer to the ICMP packet data
+ * @param len packet length
+ */
+typedef void rxhand_icmp_f(unsigned type, unsigned code, unsigned dport,
+ struct in_addr sip, unsigned sport, uchar *pkt, unsigned len);
+
+/*
+ * A timeout handler. Called after time interval has expired.
+ */
+typedef void thand_f(void);
+
+/*
+ * 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);
+int eth_init_state_only(void); /* Set active state */
+void eth_halt_state_only(void); /* Set passive state */
+
+
+/**
+ * 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);
+
+
+/*
+ * 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_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_mcast_join(struct in_addr mcast_addr, int join);
+
+/**********************************************************************/
+/*
+ * Protocol headers.
+ */
+
+#define ETH_FCS_LEN 4 /* Octets in the FCS */
+
+struct e802_hdr {
+ u8 et_dest[ARP_HLEN]; /* Destination node */
+ u8 et_src[ARP_HLEN]; /* Source node */
+ u16 et_protlen; /* Protocol or length */
+ u8 et_dsap; /* 802 DSAP */
+ u8 et_ssap; /* 802 SSAP */
+ u8 et_ctl; /* 802 control */
+ u8 et_snap1; /* SNAP */
+ u8 et_snap2;
+ u8 et_snap3;
+ u16 et_prot; /* 802 protocol */
+} __attribute__((packed));
+
+/* 802 + SNAP + ethernet header size */
+#define E802_HDR_SIZE (sizeof(struct e802_hdr))
+
+/*
+ * Virtual LAN Ethernet header
+ */
+struct vlan_ethernet_hdr {
+ u8 vet_dest[ARP_HLEN]; /* Destination node */
+ u8 vet_src[ARP_HLEN]; /* Source node */
+ u16 vet_vlan_type; /* PROT_VLAN */
+ u16 vet_tag; /* TAG of VLAN */
+ u16 vet_type; /* protocol type */
+} __attribute__((packed));
+
+/* VLAN Ethernet header size */
+#define VLAN_ETHER_HDR_SIZE (sizeof(struct vlan_ethernet_hdr))
+
+/*
+ * Internet Protocol (IP) header.
+ */
+struct ip_hdr {
+ u8 ip_hl_v; /* header length and version */
+ u8 ip_tos; /* type of service */
+ u16 ip_len; /* total length */
+ u16 ip_id; /* identification */
+ u16 ip_off; /* fragment offset field */
+ u8 ip_ttl; /* time to live */
+ u8 ip_p; /* protocol */
+ u16 ip_sum; /* checksum */
+ struct in_addr ip_src; /* Source IP address */
+ struct in_addr ip_dst; /* Destination IP address */
+} __attribute__((packed));
+
+#define IP_OFFS 0x1fff /* ip offset *= 8 */
+#define IP_FLAGS 0xe000 /* first 3 bits */
+#define IP_FLAGS_RES 0x8000 /* reserved */
+#define IP_FLAGS_DFRAG 0x4000 /* don't fragments */
+#define IP_FLAGS_MFRAG 0x2000 /* more fragments */
+
+#define IP_HDR_SIZE (sizeof(struct ip_hdr))
+
+#define IP_MIN_FRAG_DATAGRAM_SIZE (IP_HDR_SIZE + 8)
+
+/*
+ * Address Resolution Protocol (ARP) header.
+ */
+struct arp_hdr {
+ u16 ar_hrd; /* Format of hardware address */
+# define ARP_ETHER 1 /* Ethernet hardware address */
+ u16 ar_pro; /* Format of protocol address */
+ u8 ar_hln; /* Length of hardware address */
+ u8 ar_pln; /* Length of protocol address */
+# define ARP_PLEN 4
+ u16 ar_op; /* Operation */
+# define ARPOP_REQUEST 1 /* Request to resolve address */
+# define ARPOP_REPLY 2 /* Response to previous request */
+
+# define RARPOP_REQUEST 3 /* Request to resolve address */
+# define RARPOP_REPLY 4 /* Response to previous request */
+
+ /*
+ * The remaining fields are variable in size, according to
+ * the sizes above, and are defined as appropriate for
+ * specific hardware/protocol combinations.
+ */
+ u8 ar_data[0];
+#define ar_sha ar_data[0]
+#define ar_spa ar_data[ARP_HLEN]
+#define ar_tha ar_data[ARP_HLEN + ARP_PLEN]
+#define ar_tpa ar_data[ARP_HLEN + ARP_PLEN + ARP_HLEN]
+#if 0
+ u8 ar_sha[]; /* Sender hardware address */
+ u8 ar_spa[]; /* Sender protocol address */
+ u8 ar_tha[]; /* Target hardware address */
+ u8 ar_tpa[]; /* Target protocol address */
+#endif /* 0 */
+} __attribute__((packed));
+
+#define ARP_HDR_SIZE (8+20) /* Size assuming ethernet */
+
+/*
+ * ICMP stuff (just enough to handle (host) redirect messages)
+ */
+#define ICMP_ECHO_REPLY 0 /* Echo reply */
+#define ICMP_NOT_REACH 3 /* Detination unreachable */
+#define ICMP_REDIRECT 5 /* Redirect (change route) */
+#define ICMP_ECHO_REQUEST 8 /* Echo request */
+
+/* Codes for REDIRECT. */
+#define ICMP_REDIR_NET 0 /* Redirect Net */
+#define ICMP_REDIR_HOST 1 /* Redirect Host */
+
+/* Codes for NOT_REACH */
+#define ICMP_NOT_REACH_PORT 3 /* Port unreachable */
+
+struct icmp_hdr {
+ u8 type;
+ u8 code;
+ u16 checksum;
+ union {
+ struct {
+ u16 id;
+ u16 sequence;
+ } echo;
+ u32 gateway;
+ struct {
+ u16 unused;
+ u16 mtu;
+ } frag;
+ u8 data[0];
+ } un;
+} __attribute__((packed));
+
+#define ICMP_HDR_SIZE (sizeof(struct icmp_hdr))
+#define IP_ICMP_HDR_SIZE (IP_HDR_SIZE + ICMP_HDR_SIZE)
+
+/*
+ * Maximum packet size; used to allocate packet storage. Use
+ * the maxium Ethernet frame size as specified by the Ethernet
+ * standard including the 802.1Q tag (VLAN tagging).
+ * maximum packet size = 1522
+ * maximum packet size and multiple of 32 bytes = 1536
+ */
+#define PKTSIZE 1522
+#ifndef CONFIG_DM_DSA
+#define PKTSIZE_ALIGN 1536
+#else
+/* Maximum DSA tagging overhead (headroom and/or tailroom) */
+#define DSA_MAX_OVR 256
+#define PKTSIZE_ALIGN (1536 + DSA_MAX_OVR)
+#endif
+
+/*
+ * Maximum receive ring size; that is, the number of packets
+ * we can buffer before overflow happens. Basically, this just
+ * needs to be enough to prevent a packet being discarded while
+ * we are processing the previous one.
+ */
+#define RINGSZ 4
+#define RINGSZ_LOG2 2
+
+/**********************************************************************/
+/*
+ * Globals.
+ *
+ * Note:
+ *
+ * All variables of type struct in_addr are stored in NETWORK byte order
+ * (big endian).
+ */
+
+/* net.c */
+/** BOOTP EXTENTIONS **/
+extern struct in_addr net_gateway; /* Our gateway IP address */
+extern struct in_addr net_netmask; /* Our subnet mask (0 = unknown) */
+/* Our Domain Name Server (0 = unknown) */
+extern struct in_addr net_dns_server;
+#if defined(CONFIG_BOOTP_DNS2)
+/* Our 2nd Domain Name Server (0 = unknown) */
+extern struct in_addr net_dns_server2;
+#endif
+extern char net_nis_domain[32]; /* Our IS domain */
+extern char net_hostname[32]; /* Our hostname */
+#ifdef CONFIG_NET
+extern char net_root_path[CONFIG_BOOTP_MAX_ROOT_PATH_LEN]; /* Our root path */
+#endif
+/* 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 */
+extern ushort net_our_vlan; /* Our VLAN */
+extern ushort net_native_vlan; /* Our Native VLAN */
+
+extern int net_restart_wrap; /* Tried all network devices */
+
+enum proto_t {
+ BOOTP, RARP, ARP, TFTPGET, DHCP, DHCP6, PING, PING6, DNS, NFS, CDP,
+ NETCONS, SNTP, TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT_UDP, FASTBOOT_TCP,
+ WOL, UDP, NCSI, WGET, RS
+};
+
+extern char net_boot_file_name[1024];/* Boot File name */
+/* Indicates whether the file name was specified on the command line */
+extern bool net_boot_file_name_explicit;
+/* The actual transferred size of the bootfile (in bytes) */
+extern u32 net_boot_file_size;
+/* Boot file size in blocks as reported by the DHCP server */
+extern u32 net_boot_file_expected_size_in_blocks;
+
+#if defined(CONFIG_CMD_DNS)
+extern char *net_dns_resolve; /* The host to resolve */
+extern char *net_dns_env_var; /* the env var to put the ip into */
+#endif
+
+#if defined(CONFIG_CMD_PING)
+extern struct in_addr net_ping_ip; /* the ip address to ping */
+#endif
+
+#if defined(CONFIG_CMD_CDP)
+/* when CDP completes these hold the return values */
+extern ushort cdp_native_vlan; /* CDP returned native VLAN */
+extern ushort cdp_appliance_vlan; /* CDP returned appliance VLAN */
+
+/*
+ * Check for a CDP packet by examining the received MAC address field
+ */
+static inline int is_cdp_packet(const uchar *ethaddr)
+{
+ extern const u8 net_cdp_ethaddr[ARP_HLEN];
+
+ return memcmp(ethaddr, net_cdp_ethaddr, ARP_HLEN) == 0;
+}
+#endif
+
+#if defined(CONFIG_CMD_SNTP)
+extern struct in_addr net_ntp_server; /* the ip address to NTP */
+extern int net_ntp_time_offset; /* offset time from UTC */
+#endif
+
+int net_loop(enum proto_t);
+
+/* Load failed. Start again. */
+int net_start_again(void);
+
+/* Get size of the ethernet header when we send */
+int net_eth_hdr_size(void);
+
+/* Set ethernet header; returns the size of the header */
+int net_set_ether(uchar *xet, const uchar *dest_ethaddr, uint prot);
+int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot);
+
+/* Set IP header */
+void net_set_ip_header(uchar *pkt, struct in_addr dest, struct in_addr source,
+ u16 pkt_len, u8 proto);
+void net_set_udp_header(uchar *pkt, struct in_addr dest, int dport,
+ int sport, int len);
+
+/**
+ * compute_ip_checksum() - Compute IP checksum
+ *
+ * @addr: Address to check (must be 16-bit aligned)
+ * @nbytes: Number of bytes to check (normally a multiple of 2)
+ * Return: 16-bit IP checksum
+ */
+unsigned compute_ip_checksum(const void *addr, unsigned nbytes);
+
+/**
+ * add_ip_checksums() - add two IP checksums
+ *
+ * @offset: Offset of first sum (if odd we do a byte-swap)
+ * @sum: First checksum
+ * @new_sum: New checksum to add
+ * Return: updated 16-bit IP checksum
+ */
+unsigned add_ip_checksums(unsigned offset, unsigned sum, unsigned new_sum);
+
+/**
+ * ip_checksum_ok() - check if a checksum is correct
+ *
+ * This works by making sure the checksum sums to 0
+ *
+ * @addr: Address to check (must be 16-bit aligned)
+ * @nbytes: Number of bytes to check (normally a multiple of 2)
+ * Return: true if the checksum matches, false if not
+ */
+int ip_checksum_ok(const void *addr, unsigned nbytes);
+
+/* Callbacks */
+rxhand_f *net_get_udp_handler(void); /* Get UDP RX packet handler */
+void net_set_udp_handler(rxhand_f *); /* Set UDP RX packet handler */
+rxhand_f *net_get_arp_handler(void); /* Get ARP RX packet handler */
+void net_set_arp_handler(rxhand_f *); /* Set ARP RX packet handler */
+bool arp_is_waiting(void); /* Waiting for ARP reply? */
+void net_set_icmp_handler(rxhand_icmp_f *f); /* Set ICMP RX handler */
+void net_set_timeout_handler(ulong, thand_f *);/* Set timeout handler */
+
+/* Network loop state */
+enum net_loop_state {
+ NETLOOP_CONTINUE,
+ NETLOOP_RESTART,
+ NETLOOP_SUCCESS,
+ NETLOOP_FAIL
+};
+extern enum net_loop_state net_state;
+
+static inline void net_set_state(enum net_loop_state state)
+{
+ debug_cond(DEBUG_INT_STATE, "--- NetState set to %d\n", state);
+ net_state = state;
+}
+
+/*
+ * net_get_async_tx_pkt_buf - Get a packet buffer that is not in use for
+ * sending an asynchronous reply
+ *
+ * returns - ptr to packet buffer
+ */
+uchar * net_get_async_tx_pkt_buf(void);
+
+/**
+ * net_send_ip_packet() - Transmit "net_tx_packet" as UDP or TCP packet,
+ * send ARP request if needed (ether will be populated)
+ * @ether: Raw packet buffer
+ * @dest: IP address to send the datagram to
+ * @dport: Destination UDP port
+ * @sport: Source UDP port
+ * @payload_len: Length of data after the UDP header
+ * @action: TCP action to be performed
+ * @tcp_seq_num: TCP sequence number of this transmission
+ * @tcp_ack_num: TCP stream acknolegement number
+ *
+ * Return: 0 on success, other value on failure
+ */
+int net_send_ip_packet(uchar *ether, struct in_addr dest, int dport, int sport,
+ int payload_len, int proto, u8 action, u32 tcp_seq_num,
+ u32 tcp_ack_num);
+/**
+ * net_send_tcp_packet() - Transmit TCP packet.
+ * @payload_len: length of payload
+ * @dport: Destination TCP port
+ * @sport: Source TCP port
+ * @action: TCP action to be performed
+ * @tcp_seq_num: TCP sequence number of this transmission
+ * @tcp_ack_num: TCP stream acknolegement number
+ *
+ * Return: 0 on success, other value on failure
+ */
+int net_send_tcp_packet(int payload_len, int dport, int sport, u8 action,
+ u32 tcp_seq_num, u32 tcp_ack_num);
+int net_send_udp_packet(uchar *ether, struct in_addr dest, int dport,
+ int sport, int payload_len);
+
+#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_SPL_BUILD)
+void nc_start(void);
+int nc_input_packet(uchar *pkt, struct in_addr src_ip, unsigned dest_port,
+ unsigned src_port, unsigned len);
+#endif
+
+static __always_inline int eth_is_on_demand_init(void)
+{
+#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_SPL_BUILD)
+ extern enum proto_t net_loop_last_protocol;
+
+ return net_loop_last_protocol != NETCONS;
+#else
+ return 1;
+#endif
+}
+
+static inline void eth_set_last_protocol(int protocol)
+{
+#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_SPL_BUILD)
+ extern enum proto_t net_loop_last_protocol;
+
+ net_loop_last_protocol = protocol;
+#endif
+}
+
+/*
+ * Check if autoload is enabled. If so, use either NFS or TFTP to download
+ * the boot file.
+ */
+void net_auto_load(void);
+
+/*
+ * The following functions are a bit ugly, but necessary to deal with
+ * alignment restrictions on ARM.
+ *
+ * We're using inline functions, which had the smallest memory
+ * footprint in our tests.
+ */
+/* return IP *in network byteorder* */
+static inline struct in_addr net_read_ip(void *from)
+{
+ struct in_addr ip;
+
+ memcpy((void *)&ip, (void *)from, sizeof(ip));
+ return ip;
+}
+
+/* return ulong *in network byteorder* */
+static inline u32 net_read_u32(void *from)
+{
+ u32 l;
+
+ memcpy((void *)&l, (void *)from, sizeof(l));
+ return l;
+}
+
+/* write IP *in network byteorder* */
+static inline void net_write_ip(void *to, struct in_addr ip)
+{
+ memcpy(to, (void *)&ip, sizeof(ip));
+}
+
+/* copy IP */
+static inline void net_copy_ip(void *to, void *from)
+{
+ memcpy((void *)to, from, sizeof(struct in_addr));
+}
+
+/* copy ulong */
+static inline void net_copy_u32(void *to, void *from)
+{
+ memcpy((void *)to, (void *)from, sizeof(u32));
+}
+
+/**
+ * net_random_ethaddr - Generate software assigned random Ethernet address
+ * @addr: Pointer to a six-byte array containing the Ethernet address
+ *
+ * Generate a random Ethernet address (MAC) that is not multicast
+ * and has the local assigned bit set.
+ */
+static inline void net_random_ethaddr(uchar *addr)
+{
+ int i;
+ unsigned int seed = get_ticks();
+
+ for (i = 0; i < 6; i++)
+ addr[i] = rand_r(&seed);
+
+ addr[0] &= 0xfe; /* clear multicast bit */
+ addr[0] |= 0x02; /* set local assignment bit (IEEE802) */
+}
+
+/* Convert an IP address to a string */
+void ip_to_string(struct in_addr x, char *s);
+
+/**
+ * string_to_ip() - Convert a string to ip address
+ *
+ * Implemented in lib/net_utils.c (built unconditionally)
+ *
+ * @s: Input string to parse
+ * @return: in_addr struct containing the parsed IP address
+ */
+struct in_addr string_to_ip(const char *s);
+
+/* Convert a VLAN id to a string */
+void vlan_to_string(ushort x, char *s);
+
+/* Convert a string to a vlan id */
+ushort string_to_vlan(const char *s);
+
+/* read a VLAN id from an environment variable */
+ushort env_get_vlan(char *);
+
+/* copy a filename (allow for "..." notation, limit length) */
+void copy_filename(char *dst, const char *src, int size);
+
+/* check if serverip is specified in filename from the command line */
+int is_serverip_in_cmd(void);
+
+/**
+ * net_parse_bootfile - Parse the bootfile env var / cmd line param
+ *
+ * @param ipaddr - a pointer to the ipaddr to populate if included in bootfile
+ * @param filename - a pointer to the string to save the filename part
+ * @param max_len - The longest - 1 that the filename part can be
+ *
+ * return 1 if parsed, 0 if bootfile is empty
+ */
+int net_parse_bootfile(struct in_addr *ipaddr, char *filename, int max_len);
+
+/**
+ * reset_phy() - Reset the Ethernet PHY
+ *
+ * This should be implemented by boards if CONFIG_RESET_PHY_R is enabled
+ */
+void reset_phy(void);
+
+#if CONFIG_IS_ENABLED(NET) || CONFIG_IS_ENABLED(NET_LWIP)
+/**
+ * eth_set_enable_bootdevs() - Enable or disable binding of Ethernet bootdevs
+ *
+ * These get in the way of bootstd testing, so are normally disabled by tests.
+ * This provide control of this setting. It only affects binding of Ethernet
+ * devices, so if that has already happened, this flag does nothing.
+ *
+ * @enable: true to enable binding of bootdevs when binding new Ethernet
+ * devices, false to disable it
+ */
+void eth_set_enable_bootdevs(bool enable);
+#else
+static inline void eth_set_enable_bootdevs(bool enable) {}
+#endif
+
+#endif /* __NET_LEGACY_H__ */
diff --git a/include/net-lwip.h b/include/net-lwip.h
new file mode 100644
index 00000000000..5c3f9e7e86c
--- /dev/null
+++ b/include/net-lwip.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef __NET_LWIP_H__
+#define __NET_LWIP_H__
+
+#include <lwip/ip4.h>
+#include <lwip/netif.h>
+
+struct netif *net_lwip_new_netif(struct udevice *udev);
+struct netif *net_lwip_new_netif_noip(struct udevice *udev);
+void net_lwip_remove_netif(struct netif *netif);
+struct netif *net_lwip_get_netif(void);
+
+#endif /* __NET_LWIP_H__ */
diff --git a/include/net.h b/include/net.h
index ac511eab103..afa46f239ee 100644
--- a/include/net.h
+++ b/include/net.h
@@ -1,950 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * LiMon Monitor (LiMon) - Network.
- *
- * Copyright 1994 - 2000 Neil Russell.
- * (See License)
- *
- * History
- * 9/16/00 bor adapted to TQM823L/STK8xxL board, RARP/TFTP boot added
- */

#ifndef __NET_H__
#define __NET_H__

-#include <linux/types.h>
-#include <asm/cache.h>
-#include <asm/byteorder.h> /* for nton* / ntoh* stuff */
-#include <env.h>
-#include <hexdump.h>
-#include <log.h>
-#include <time.h>
-#include <linux/if_ether.h>
-#include <rand.h>
+#include <net-common.h>

-struct bd_info;
-struct cmd_tbl;
-struct udevice;
-
-#define DEBUG_LL_STATE 0 /* Link local state machine changes */
-#define DEBUG_DEV_PKT 0 /* Packets or info directed to the device */
-#define DEBUG_NET_PKT 0 /* Packets on info on the network at large */
-#define DEBUG_INT_STATE 0 /* Internal network state changes */
-#define DEBUG_NET_PKT_TRACE 0 /* Trace all packet data */
-
-/*
- * 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;
-};
-
-/**
- * do_tftpb - Run the tftpboot command
- *
- * @cmdtp: Command information for tftpboot
- * @flag: Command flags (CMD_FLAG_...)
- * @argc: Number of arguments
- * @argv: List of arguments
- * Return: result (see enum command_ret_t)
- */
-int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
-
-/**
- * dhcp_run() - Run DHCP on the current ethernet device
- *
- * This sets the autoload variable, then puts it back to similar to its original
- * state (y, n or unset).
- *
- * @addr: Address to load the file into (0 if @autoload is false)
- * @fname: Filename of file to load (NULL if @autoload is false or to use the
- * default filename)
- * @autoload: true to load the file, false to just get the network IP
- * @return 0 if OK, -EINVAL if the environment failed, -ENOENT if ant file was
- * not found
- */
-int dhcp_run(ulong addr, const char *fname, bool autoload);
-
-/**
- * An incoming packet handler.
- * @param pkt pointer to the application packet
- * @param dport destination UDP port
- * @param sip source IP address
- * @param sport source UDP port
- * @param len packet length
- */
-typedef void rxhand_f(uchar *pkt, unsigned dport,
- struct in_addr sip, unsigned sport,
- unsigned len);
-
-/**
- * An incoming ICMP packet handler.
- * @param type ICMP type
- * @param code ICMP code
- * @param dport destination UDP port
- * @param sip source IP address
- * @param sport source UDP port
- * @param pkt pointer to the ICMP packet data
- * @param len packet length
- */
-typedef void rxhand_icmp_f(unsigned type, unsigned code, unsigned dport,
- struct in_addr sip, unsigned sport, uchar *pkt, unsigned len);
-
-/*
- * A timeout handler. Called after time interval has expired.
- */
-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);
-
-/**********************************************************************/
-/*
- * Protocol headers.
- */
-
-/*
- * Ethernet header
- */
-
-struct ethernet_hdr {
- u8 et_dest[ARP_HLEN]; /* Destination node */
- u8 et_src[ARP_HLEN]; /* Source node */
- u16 et_protlen; /* Protocol or length */
-} __attribute__((packed));
-
-/* Ethernet header size */
-#define ETHER_HDR_SIZE (sizeof(struct ethernet_hdr))
-
-#define ETH_FCS_LEN 4 /* Octets in the FCS */
-
-struct e802_hdr {
- u8 et_dest[ARP_HLEN]; /* Destination node */
- u8 et_src[ARP_HLEN]; /* Source node */
- u16 et_protlen; /* Protocol or length */
- u8 et_dsap; /* 802 DSAP */
- u8 et_ssap; /* 802 SSAP */
- u8 et_ctl; /* 802 control */
- u8 et_snap1; /* SNAP */
- u8 et_snap2;
- u8 et_snap3;
- u16 et_prot; /* 802 protocol */
-} __attribute__((packed));
-
-/* 802 + SNAP + ethernet header size */
-#define E802_HDR_SIZE (sizeof(struct e802_hdr))
-
-/*
- * Virtual LAN Ethernet header
- */
-struct vlan_ethernet_hdr {
- u8 vet_dest[ARP_HLEN]; /* Destination node */
- u8 vet_src[ARP_HLEN]; /* Source node */
- u16 vet_vlan_type; /* PROT_VLAN */
- u16 vet_tag; /* TAG of VLAN */
- u16 vet_type; /* protocol type */
-} __attribute__((packed));
-
-/* VLAN Ethernet header size */
-#define VLAN_ETHER_HDR_SIZE (sizeof(struct vlan_ethernet_hdr))
-
-#define PROT_IP 0x0800 /* IP protocol */
-#define PROT_ARP 0x0806 /* IP ARP protocol */
-#define PROT_WOL 0x0842 /* ether-wake WoL protocol */
-#define PROT_RARP 0x8035 /* IP ARP protocol */
-#define PROT_VLAN 0x8100 /* IEEE 802.1q protocol */
-#define PROT_IPV6 0x86dd /* IPv6 over bluebook */
-#define PROT_PPP_SES 0x8864 /* PPPoE session messages */
-#define PROT_NCSI 0x88f8 /* NC-SI control packets */
-
-#define IPPROTO_ICMP 1 /* Internet Control Message Protocol */
-#define IPPROTO_TCP 6 /* Transmission Control Protocol */
-#define IPPROTO_UDP 17 /* User Datagram Protocol */
-
-/*
- * Internet Protocol (IP) header.
- */
-struct ip_hdr {
- u8 ip_hl_v; /* header length and version */
- u8 ip_tos; /* type of service */
- u16 ip_len; /* total length */
- u16 ip_id; /* identification */
- u16 ip_off; /* fragment offset field */
- u8 ip_ttl; /* time to live */
- u8 ip_p; /* protocol */
- u16 ip_sum; /* checksum */
- struct in_addr ip_src; /* Source IP address */
- struct in_addr ip_dst; /* Destination IP address */
-} __attribute__((packed));
-
-#define IP_OFFS 0x1fff /* ip offset *= 8 */
-#define IP_FLAGS 0xe000 /* first 3 bits */
-#define IP_FLAGS_RES 0x8000 /* reserved */
-#define IP_FLAGS_DFRAG 0x4000 /* don't fragments */
-#define IP_FLAGS_MFRAG 0x2000 /* more fragments */
-
-#define IP_HDR_SIZE (sizeof(struct ip_hdr))
-
-#define IP_MIN_FRAG_DATAGRAM_SIZE (IP_HDR_SIZE + 8)
-
-/*
- * Internet Protocol (IP) + UDP header.
- */
-struct ip_udp_hdr {
- u8 ip_hl_v; /* header length and version */
- u8 ip_tos; /* type of service */
- u16 ip_len; /* total length */
- u16 ip_id; /* identification */
- u16 ip_off; /* fragment offset field */
- u8 ip_ttl; /* time to live */
- u8 ip_p; /* protocol */
- u16 ip_sum; /* checksum */
- struct in_addr ip_src; /* Source IP address */
- struct in_addr ip_dst; /* Destination IP address */
- u16 udp_src; /* UDP source port */
- u16 udp_dst; /* UDP destination port */
- u16 udp_len; /* Length of UDP packet */
- u16 udp_xsum; /* Checksum */
-} __attribute__((packed));
-
-#define IP_UDP_HDR_SIZE (sizeof(struct ip_udp_hdr))
-#define UDP_HDR_SIZE (IP_UDP_HDR_SIZE - IP_HDR_SIZE)
-
-/*
- * Address Resolution Protocol (ARP) header.
- */
-struct arp_hdr {
- u16 ar_hrd; /* Format of hardware address */
-# define ARP_ETHER 1 /* Ethernet hardware address */
- u16 ar_pro; /* Format of protocol address */
- u8 ar_hln; /* Length of hardware address */
- u8 ar_pln; /* Length of protocol address */
-# define ARP_PLEN 4
- u16 ar_op; /* Operation */
-# define ARPOP_REQUEST 1 /* Request to resolve address */
-# define ARPOP_REPLY 2 /* Response to previous request */
-
-# define RARPOP_REQUEST 3 /* Request to resolve address */
-# define RARPOP_REPLY 4 /* Response to previous request */
-
- /*
- * The remaining fields are variable in size, according to
- * the sizes above, and are defined as appropriate for
- * specific hardware/protocol combinations.
- */
- u8 ar_data[0];
-#define ar_sha ar_data[0]
-#define ar_spa ar_data[ARP_HLEN]
-#define ar_tha ar_data[ARP_HLEN + ARP_PLEN]
-#define ar_tpa ar_data[ARP_HLEN + ARP_PLEN + ARP_HLEN]
-#if 0
- u8 ar_sha[]; /* Sender hardware address */
- u8 ar_spa[]; /* Sender protocol address */
- u8 ar_tha[]; /* Target hardware address */
- u8 ar_tpa[]; /* Target protocol address */
-#endif /* 0 */
-} __attribute__((packed));
-
-#define ARP_HDR_SIZE (8+20) /* Size assuming ethernet */
-
-/*
- * ICMP stuff (just enough to handle (host) redirect messages)
- */
-#define ICMP_ECHO_REPLY 0 /* Echo reply */
-#define ICMP_NOT_REACH 3 /* Detination unreachable */
-#define ICMP_REDIRECT 5 /* Redirect (change route) */
-#define ICMP_ECHO_REQUEST 8 /* Echo request */
-
-/* Codes for REDIRECT. */
-#define ICMP_REDIR_NET 0 /* Redirect Net */
-#define ICMP_REDIR_HOST 1 /* Redirect Host */
-
-/* Codes for NOT_REACH */
-#define ICMP_NOT_REACH_PORT 3 /* Port unreachable */
-
-struct icmp_hdr {
- u8 type;
- u8 code;
- u16 checksum;
- union {
- struct {
- u16 id;
- u16 sequence;
- } echo;
- u32 gateway;
- struct {
- u16 unused;
- u16 mtu;
- } frag;
- u8 data[0];
- } un;
-} __attribute__((packed));
-
-#define ICMP_HDR_SIZE (sizeof(struct icmp_hdr))
-#define IP_ICMP_HDR_SIZE (IP_HDR_SIZE + ICMP_HDR_SIZE)
-
-/*
- * Maximum packet size; used to allocate packet storage. Use
- * the maxium Ethernet frame size as specified by the Ethernet
- * standard including the 802.1Q tag (VLAN tagging).
- * maximum packet size = 1522
- * maximum packet size and multiple of 32 bytes = 1536
- */
-#define PKTSIZE 1522
-#ifndef CONFIG_DM_DSA
-#define PKTSIZE_ALIGN 1536
-#else
-/* Maximum DSA tagging overhead (headroom and/or tailroom) */
-#define DSA_MAX_OVR 256
-#define PKTSIZE_ALIGN (1536 + DSA_MAX_OVR)
-#endif
-
-/*
- * Maximum receive ring size; that is, the number of packets
- * we can buffer before overflow happens. Basically, this just
- * needs to be enough to prevent a packet being discarded while
- * we are processing the previous one.
- */
-#define RINGSZ 4
-#define RINGSZ_LOG2 2
-
-/**********************************************************************/
-/*
- * Globals.
- *
- * Note:
- *
- * All variables of type struct in_addr are stored in NETWORK byte order
- * (big endian).
- */
-
-/* net.c */
-/** BOOTP EXTENTIONS **/
-extern struct in_addr net_gateway; /* Our gateway IP address */
-extern struct in_addr net_netmask; /* Our subnet mask (0 = unknown) */
-/* Our Domain Name Server (0 = unknown) */
-extern struct in_addr net_dns_server;
-#if defined(CONFIG_BOOTP_DNS2)
-/* Our 2nd Domain Name Server (0 = unknown) */
-extern struct in_addr net_dns_server2;
-#endif
-extern char net_nis_domain[32]; /* Our IS domain */
-extern char net_hostname[32]; /* Our hostname */
-#ifdef CONFIG_NET
-extern char net_root_path[CONFIG_BOOTP_MAX_ROOT_PATH_LEN]; /* Our root path */
-#endif
-/* 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 */
-extern ushort net_our_vlan; /* Our VLAN */
-extern ushort net_native_vlan; /* Our Native VLAN */
-
-extern int net_restart_wrap; /* Tried all network devices */
-
-enum proto_t {
- BOOTP, RARP, ARP, TFTPGET, DHCP, DHCP6, PING, PING6, DNS, NFS, CDP,
- NETCONS, SNTP, TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT_UDP, FASTBOOT_TCP,
- WOL, UDP, NCSI, WGET, RS
-};
-
-extern char net_boot_file_name[1024];/* Boot File name */
-/* Indicates whether the file name was specified on the command line */
-extern bool net_boot_file_name_explicit;
-/* The actual transferred size of the bootfile (in bytes) */
-extern u32 net_boot_file_size;
-/* Boot file size in blocks as reported by the DHCP server */
-extern u32 net_boot_file_expected_size_in_blocks;
-
-#if defined(CONFIG_CMD_DNS)
-extern char *net_dns_resolve; /* The host to resolve */
-extern char *net_dns_env_var; /* the env var to put the ip into */
-#endif
-
-#if defined(CONFIG_CMD_PING)
-extern struct in_addr net_ping_ip; /* the ip address to ping */
-#endif
-
-#if defined(CONFIG_CMD_CDP)
-/* when CDP completes these hold the return values */
-extern ushort cdp_native_vlan; /* CDP returned native VLAN */
-extern ushort cdp_appliance_vlan; /* CDP returned appliance VLAN */
-
-/*
- * Check for a CDP packet by examining the received MAC address field
- */
-static inline int is_cdp_packet(const uchar *ethaddr)
-{
- extern const u8 net_cdp_ethaddr[ARP_HLEN];
-
- return memcmp(ethaddr, net_cdp_ethaddr, ARP_HLEN) == 0;
-}
-#endif
-
-#if defined(CONFIG_CMD_SNTP)
-extern struct in_addr net_ntp_server; /* the ip address to NTP */
-extern int net_ntp_time_offset; /* offset time from UTC */
-#endif
-
-/* Initialize the network adapter */
-int net_init(void);
-int net_loop(enum proto_t);
-
-/* Load failed. Start again. */
-int net_start_again(void);
-
-/* Get size of the ethernet header when we send */
-int net_eth_hdr_size(void);
-
-/* Set ethernet header; returns the size of the header */
-int net_set_ether(uchar *xet, const uchar *dest_ethaddr, uint prot);
-int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot);
-
-/* Set IP header */
-void net_set_ip_header(uchar *pkt, struct in_addr dest, struct in_addr source,
- u16 pkt_len, u8 proto);
-void net_set_udp_header(uchar *pkt, struct in_addr dest, int dport,
- int sport, int len);
-
-/**
- * compute_ip_checksum() - Compute IP checksum
- *
- * @addr: Address to check (must be 16-bit aligned)
- * @nbytes: Number of bytes to check (normally a multiple of 2)
- * Return: 16-bit IP checksum
- */
-unsigned compute_ip_checksum(const void *addr, unsigned nbytes);
-
-/**
- * add_ip_checksums() - add two IP checksums
- *
- * @offset: Offset of first sum (if odd we do a byte-swap)
- * @sum: First checksum
- * @new_sum: New checksum to add
- * Return: updated 16-bit IP checksum
- */
-unsigned add_ip_checksums(unsigned offset, unsigned sum, unsigned new_sum);
-
-/**
- * ip_checksum_ok() - check if a checksum is correct
- *
- * This works by making sure the checksum sums to 0
- *
- * @addr: Address to check (must be 16-bit aligned)
- * @nbytes: Number of bytes to check (normally a multiple of 2)
- * Return: true if the checksum matches, false if not
- */
-int ip_checksum_ok(const void *addr, unsigned nbytes);
-
-/* Callbacks */
-rxhand_f *net_get_udp_handler(void); /* Get UDP RX packet handler */
-void net_set_udp_handler(rxhand_f *); /* Set UDP RX packet handler */
-rxhand_f *net_get_arp_handler(void); /* Get ARP RX packet handler */
-void net_set_arp_handler(rxhand_f *); /* Set ARP RX packet handler */
-bool arp_is_waiting(void); /* Waiting for ARP reply? */
-void net_set_icmp_handler(rxhand_icmp_f *f); /* Set ICMP RX handler */
-void net_set_timeout_handler(ulong, thand_f *);/* Set timeout handler */
-
-/* Network loop state */
-enum net_loop_state {
- NETLOOP_CONTINUE,
- NETLOOP_RESTART,
- NETLOOP_SUCCESS,
- NETLOOP_FAIL
-};
-extern enum net_loop_state net_state;
-
-static inline void net_set_state(enum net_loop_state state)
-{
- debug_cond(DEBUG_INT_STATE, "--- NetState set to %d\n", state);
- net_state = state;
-}
-
-/*
- * net_get_async_tx_pkt_buf - Get a packet buffer that is not in use for
- * sending an asynchronous reply
- *
- * returns - ptr to packet buffer
- */
-uchar * net_get_async_tx_pkt_buf(void);
-
-/* Transmit a packet */
-static inline void net_send_packet(uchar *pkt, int len)
-{
- if (DEBUG_NET_PKT_TRACE)
- print_hex_dump_bytes("tx: ", DUMP_PREFIX_OFFSET, pkt, len);
- /* Currently no way to return errors from eth_send() */
- (void) eth_send(pkt, len);
-}
-
-/**
- * net_send_ip_packet() - Transmit "net_tx_packet" as UDP or TCP packet,
- * send ARP request if needed (ether will be populated)
- * @ether: Raw packet buffer
- * @dest: IP address to send the datagram to
- * @dport: Destination UDP port
- * @sport: Source UDP port
- * @payload_len: Length of data after the UDP header
- * @action: TCP action to be performed
- * @tcp_seq_num: TCP sequence number of this transmission
- * @tcp_ack_num: TCP stream acknolegement number
- *
- * Return: 0 on success, other value on failure
- */
-int net_send_ip_packet(uchar *ether, struct in_addr dest, int dport, int sport,
- int payload_len, int proto, u8 action, u32 tcp_seq_num,
- u32 tcp_ack_num);
-/**
- * net_send_tcp_packet() - Transmit TCP packet.
- * @payload_len: length of payload
- * @dport: Destination TCP port
- * @sport: Source TCP port
- * @action: TCP action to be performed
- * @tcp_seq_num: TCP sequence number of this transmission
- * @tcp_ack_num: TCP stream acknolegement number
- *
- * Return: 0 on success, other value on failure
- */
-int net_send_tcp_packet(int payload_len, int dport, int sport, u8 action,
- u32 tcp_seq_num, u32 tcp_ack_num);
-int net_send_udp_packet(uchar *ether, struct in_addr dest, int dport,
- int sport, int payload_len);
-
-/* Processes a received packet */
-void net_process_received_packet(uchar *in_packet, int len);
-
-#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_SPL_BUILD)
-void nc_start(void);
-int nc_input_packet(uchar *pkt, struct in_addr src_ip, unsigned dest_port,
- unsigned src_port, unsigned len);
-#endif
-
-static __always_inline int eth_is_on_demand_init(void)
-{
-#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_SPL_BUILD)
- extern enum proto_t net_loop_last_protocol;
-
- return net_loop_last_protocol != NETCONS;
-#else
- return 1;
-#endif
-}
-
-static inline void eth_set_last_protocol(int protocol)
-{
-#if defined(CONFIG_NETCONSOLE) && !defined(CONFIG_SPL_BUILD)
- extern enum proto_t net_loop_last_protocol;
-
- net_loop_last_protocol = protocol;
-#endif
-}
-
-/*
- * Check if autoload is enabled. If so, use either NFS or TFTP to download
- * the boot file.
- */
-void net_auto_load(void);
-
-/*
- * The following functions are a bit ugly, but necessary to deal with
- * alignment restrictions on ARM.
- *
- * We're using inline functions, which had the smallest memory
- * footprint in our tests.
- */
-/* return IP *in network byteorder* */
-static inline struct in_addr net_read_ip(void *from)
-{
- struct in_addr ip;
-
- memcpy((void *)&ip, (void *)from, sizeof(ip));
- return ip;
-}
-
-/* return ulong *in network byteorder* */
-static inline u32 net_read_u32(void *from)
-{
- u32 l;
-
- memcpy((void *)&l, (void *)from, sizeof(l));
- return l;
-}
-
-/* write IP *in network byteorder* */
-static inline void net_write_ip(void *to, struct in_addr ip)
-{
- memcpy(to, (void *)&ip, sizeof(ip));
-}
-
-/* copy IP */
-static inline void net_copy_ip(void *to, void *from)
-{
- memcpy((void *)to, from, sizeof(struct in_addr));
-}
-
-/* copy ulong */
-static inline void net_copy_u32(void *to, void *from)
-{
- memcpy((void *)to, (void *)from, sizeof(u32));
-}
-
-/**
- * is_zero_ethaddr - Determine if give Ethernet address is all zeros.
- * @addr: Pointer to a six-byte array containing the Ethernet address
- *
- * Return true if the address is all zeroes.
- */
-static inline int is_zero_ethaddr(const u8 *addr)
-{
- return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
-}
-
-/**
- * is_multicast_ethaddr - Determine if the Ethernet address is a multicast.
- * @addr: Pointer to a six-byte array containing the Ethernet address
- *
- * Return true if the address is a multicast address.
- * By definition the broadcast address is also a multicast address.
- */
-static inline int is_multicast_ethaddr(const u8 *addr)
-{
- return 0x01 & addr[0];
-}
-
-/*
- * is_broadcast_ethaddr - Determine if the Ethernet address is broadcast
- * @addr: Pointer to a six-byte array containing the Ethernet address
- *
- * Return true if the address is the broadcast address.
- */
-static inline int is_broadcast_ethaddr(const u8 *addr)
-{
- return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) ==
- 0xff;
-}
-
-/*
- * is_valid_ethaddr - Determine if the given Ethernet address is valid
- * @addr: Pointer to a six-byte array containing the Ethernet address
- *
- * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
- * a multicast address, and is not FF:FF:FF:FF:FF:FF.
- *
- * Return true if the address is valid.
- */
-static inline int is_valid_ethaddr(const u8 *addr)
-{
- /* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
- * explicitly check for it here. */
- return !is_multicast_ethaddr(addr) && !is_zero_ethaddr(addr);
-}
-
-/**
- * net_random_ethaddr - Generate software assigned random Ethernet address
- * @addr: Pointer to a six-byte array containing the Ethernet address
- *
- * Generate a random Ethernet address (MAC) that is not multicast
- * and has the local assigned bit set.
- */
-static inline void net_random_ethaddr(uchar *addr)
-{
- int i;
- unsigned int seed = get_ticks();
-
- for (i = 0; i < 6; i++)
- addr[i] = rand_r(&seed);
-
- addr[0] &= 0xfe; /* clear multicast bit */
- 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);
-
-/**
- * string_to_ip() - Convert a string to ip address
- *
- * Implemented in lib/net_utils.c (built unconditionally)
- *
- * @s: Input string to parse
- * @return: in_addr struct containing the parsed IP address
- */
-struct in_addr string_to_ip(const char *s);
-
-/* Convert a VLAN id to a string */
-void vlan_to_string(ushort x, char *s);
-
-/* Convert a string to a vlan id */
-ushort string_to_vlan(const char *s);
-
-/* read a VLAN id from an environment variable */
-ushort env_get_vlan(char *);
-
-/* copy a filename (allow for "..." notation, limit length) */
-void copy_filename(char *dst, const char *src, int size);
-
-/* check if serverip is specified in filename from the command line */
-int is_serverip_in_cmd(void);
-
-/**
- * net_parse_bootfile - Parse the bootfile env var / cmd line param
- *
- * @param ipaddr - a pointer to the ipaddr to populate if included in bootfile
- * @param filename - a pointer to the string to save the filename part
- * @param max_len - The longest - 1 that the filename part can be
- *
- * return 1 if parsed, 0 if bootfile is empty
- */
-int net_parse_bootfile(struct in_addr *ipaddr, char *filename, int max_len);
-
-/**
- * update_tftp - Update firmware over TFTP (via DFU)
- *
- * This function updates board's firmware via TFTP
- *
- * @param addr - memory address where data is stored
- * @param interface - the DFU medium name - e.g. "mmc"
- * @param devstring - the DFU medium number - e.g. "1"
- *
- * Return: - 0 on success, other value on failure
- */
-int update_tftp(ulong addr, char *interface, char *devstring);
-
-/**
- * env_get_ip() - Convert an environment value to to an ip address
- *
- * @var: Environment variable to convert. The value of this variable must be
- * in the format format a.b.c.d, where each value is a decimal number from
- * 0 to 255
- * Return: IP address, or 0 if invalid
- */
-static inline struct in_addr env_get_ip(char *var)
-{
- return string_to_ip(env_get(var));
-}
-
-/**
- * reset_phy() - Reset the Ethernet PHY
- *
- * This should be implemented by boards if CONFIG_RESET_PHY_R is enabled
- */
-void reset_phy(void);
-
-#if CONFIG_IS_ENABLED(NET)
-/**
- * eth_set_enable_bootdevs() - Enable or disable binding of Ethernet bootdevs
- *
- * These get in the way of bootstd testing, so are normally disabled by tests.
- * This provide control of this setting. It only affects binding of Ethernet
- * devices, so if that has already happened, this flag does nothing.
- *
- * @enable: true to enable binding of bootdevs when binding new Ethernet
- * devices, false to disable it
- */
-void eth_set_enable_bootdevs(bool enable);
+#if defined(CONFIG_NET_LWIP)
+#include <net-lwip.h>
#else
-static inline void eth_set_enable_bootdevs(bool enable) {}
+#include <net-legacy.h>
#endif

-/**
- * wget_with_dns() - runs dns host IP address resulution before wget
- *
- * @dst_addr: destination address to download the file
- * @uri: uri string of target file of wget
- * Return: downloaded file size, negative if failed
- */
-int wget_with_dns(ulong dst_addr, char *uri);
-
-/**
- * wget_validate_uri() - varidate the uri
- *
- * @uri: uri string of target file of wget
- * Return: true if uri is valid, false if uri is invalid
- */
-bool wget_validate_uri(char *uri);
-
#endif /* __NET_H__ */
--
2.40.1