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/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef __NET_LWIP_H__
#define __NET_LWIP_H__
#include <asm/cache.h>
#include <linux/types.h>
#include <lwip/netif.h>
#include <time.h>
/*
* 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
/* ARP hardware address length */
#define ARP_HLEN 6
/*
* 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
struct udevice *eth_get_dev(void); /* get the current device */
/*
* 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 */
int eth_rx(void);
int eth_get_dev_index(void);
int eth_init_state_only(void); /* Set active state */
void eth_set_current(void); /* set nterface to ethcur var */
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))
/**
* 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);
int net_lwip_init(void);
struct netif *net_lwip_get_netif(void);
int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
#endif /* __NET_LWIP_H__ */
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