diff options
Diffstat (limited to 'arch/um/include/shared/net_user.h')
-rw-r--r-- | arch/um/include/shared/net_user.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/um/include/shared/net_user.h b/arch/um/include/shared/net_user.h new file mode 100644 index 0000000000..ba92a4d935 --- /dev/null +++ b/arch/um/include/shared/net_user.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + */ + +#ifndef __UM_NET_USER_H__ +#define __UM_NET_USER_H__ + +#define ETH_ADDR_LEN (6) +#define ETH_HEADER_ETHERTAP (16) +#define ETH_HEADER_OTHER (26) /* 14 for ethernet + VLAN + MPLS for crazy people */ +#define ETH_MAX_PACKET (1500) + +#define UML_NET_VERSION (4) + +struct net_user_info { + int (*init)(void *, void *); + int (*open)(void *); + void (*close)(int, void *); + void (*remove)(void *); + void (*add_address)(unsigned char *, unsigned char *, void *); + void (*delete_address)(unsigned char *, unsigned char *, void *); + int max_packet; + int mtu; +}; + +extern void iter_addresses(void *d, void (*cb)(unsigned char *, + unsigned char *, void *), + void *arg); + +extern void *get_output_buffer(int *len_out); +extern void free_output_buffer(void *buffer); + +extern int tap_open_common(void *dev, char *gate_addr); +extern void tap_check_ips(char *gate_addr, unsigned char *eth_addr); + +extern void read_output(int fd, char *output_out, int len); + +extern int net_read(int fd, void *buf, int len); +extern int net_recvfrom(int fd, void *buf, int len); +extern int net_write(int fd, void *buf, int len); +extern int net_send(int fd, void *buf, int len); +extern int net_sendto(int fd, void *buf, int len, void *to, int sock_len); + +extern void open_addr(unsigned char *addr, unsigned char *netmask, void *arg); +extern void close_addr(unsigned char *addr, unsigned char *netmask, void *arg); + +extern char *split_if_spec(char *str, ...); + +extern int dev_netmask(void *d, void *m); + +#endif |