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bootp support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-06-24 20:35:25 +02:00
parent 4700d08bb4
commit 8b51fd98b9
12 changed files with 360 additions and 91 deletions
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6
include/grub/emu/export.h Normal file
View file

@ -0,0 +1,6 @@
void EXPORT_FUNC (open64) (void);
void EXPORT_FUNC (close) (void);
void EXPORT_FUNC (read) (void);
void EXPORT_FUNC (write) (void);
void EXPORT_FUNC (ioctl) (void);

38
include/grub/net.h
View file

@ -62,8 +62,10 @@ struct grub_net_card_driver
char *name;
grub_err_t (*init) (struct grub_net_card *dev);
grub_err_t (*fini) (struct grub_net_card *dev);
grub_err_t (*send) (struct grub_net_card *dev, struct grub_net_buff *buf);
grub_ssize_t (*recv) (struct grub_net_card *dev, struct grub_net_buff *buf);
grub_err_t (*send) (const struct grub_net_card *dev,
struct grub_net_buff *buf);
grub_ssize_t (*recv) (const struct grub_net_card *dev,
struct grub_net_buff *buf);
};
extern struct grub_net_card_driver *grub_net_card_drivers;
@ -116,6 +118,7 @@ struct grub_net_network_level_interface;
typedef enum grub_network_level_protocol_id
{
GRUB_NET_NETWORK_LEVEL_PROTOCOL_PROMISC,
GRUB_NET_NETWORK_LEVEL_PROTOCOL_IPV4
} grub_network_level_protocol_id_t;
@ -243,12 +246,13 @@ extern grub_err_t (*EXPORT_VAR (grub_file_net_seek)) (struct grub_file *file, gr
struct grub_net_network_level_interface
{
struct grub_net_network_level_interface *next;
struct grub_net_network_level_interface **prev;
char *name;
struct grub_net_card *card;
const struct grub_net_card *card;
grub_net_network_level_address_t address;
grub_net_link_level_address_t hwaddress;
grub_net_interface_flags_t flags;
struct grub_net_bootp_ack *dhcp_ack;
struct grub_net_bootp_packet *dhcp_ack;
grub_size_t dhcp_acklen;
void *data;
};
@ -291,7 +295,8 @@ grub_net_session_recv (struct grub_net_session *session, void *buf,
}
struct grub_net_network_level_interface *
grub_net_add_addr (const char *name, struct grub_net_card *card,
grub_net_add_addr (const char *name,
const struct grub_net_card *card,
grub_net_network_level_address_t addr,
grub_net_link_level_address_t hwaddress,
grub_net_interface_flags_t flags);
@ -369,7 +374,7 @@ grub_net_add_route_gw (const char *name,
typedef grub_uint8_t grub_net_bootp_mac_addr_t[GRUB_NET_BOOTP_MAC_ADDR_LEN];
struct grub_net_bootp_ack
struct grub_net_bootp_packet
{
grub_uint8_t opcode;
grub_uint8_t hw_type; /* hardware type. */
@ -391,11 +396,21 @@ struct grub_net_bootp_ack
#define GRUB_NET_BOOTP_RFC1048_MAGIC 0x63825363L
struct grub_net_network_level_interface *
grub_net_configure_by_dhcp_ack (const char *name, struct grub_net_card *card,
grub_net_configure_by_dhcp_ack (const char *name,
const struct grub_net_card *card,
grub_net_interface_flags_t flags,
struct grub_net_bootp_ack *bp,
const struct grub_net_bootp_packet *bp,
grub_size_t size);
void
grub_net_process_dhcp (struct grub_net_buff *nb,
const struct grub_net_card *card);
int
grub_net_hwaddr_cmp (const grub_net_link_level_address_t *a,
const grub_net_link_level_address_t *b);
/*
Currently suppoerted adresses:
IPv4: XXX.XXX.XXX.XXX
@ -420,8 +435,11 @@ typedef int
grub_err_t grub_net_recv_link_layer (struct grub_net_network_level_interface *inf,
grub_net_packet_handler_t handler);
grub_err_t
grub_net_recv_ip_packets (struct grub_net_buff *nb);
grub_err_t
grub_net_recv_ip_packets (struct grub_net_buff *nb,
const struct grub_net_card *card,
const grub_net_link_level_address_t *hwaddress);
grub_err_t
grub_net_send_ip_packet (struct grub_net_network_level_interface *inf,

16
include/grub/net/ethernet.h
View file

@ -12,19 +12,6 @@ struct etherhdr
grub_uint16_t type;
} __attribute__ ((packed));
#define PCP(x) x & 0xe000
#define CFI(x) x & 0x1000
#define VID(x) x & 0x0fff
#define PRINT_ETH_ADDR(name,addr) grub_printf("%s %x:%x:%x:%x:%x:%x\n",\
name,\
addr[0],\
addr[1],\
addr[2],\
addr[3],\
addr[4],\
addr[5]\
)
struct llchdr
{
grub_uint8_t dsap;
@ -52,6 +39,7 @@ send_ethernet_packet (struct grub_net_network_level_interface *inf,
grub_net_link_level_address_t target_addr,
grub_uint16_t ethertype);
grub_err_t
grub_net_recv_ethernet_packet (struct grub_net_buff *nb);
grub_net_recv_ethernet_packet (struct grub_net_buff *nb,
const struct grub_net_card *card);
#endif

2
include/grub/net/netbuff.h
View file

@ -26,5 +26,5 @@ grub_err_t grub_netbuff_reserve (struct grub_net_buff *net_buff ,grub_size_t len
grub_err_t grub_netbuff_clear (struct grub_net_buff *net_buff);
struct grub_net_buff * grub_netbuff_alloc ( grub_size_t len );
grub_err_t grub_netbuff_free (struct grub_net_buff *net_buff);
grub_err_t grub_netbuff_clear (struct grub_net_buff *net_buff);
#endif

5
include/grub/net/udp.h
View file

@ -14,8 +14,9 @@ struct udphdr
grub_err_t
grub_net_send_udp_packet (const grub_net_socket_t socket , struct grub_net_buff *nb);
grub_err_t
grub_net_recv_udp_packet (struct grub_net_buff *nb);
grub_err_t
grub_net_recv_udp_packet (struct grub_net_buff *nb,
struct grub_net_network_level_interface *inf);
#define FOR_NET_UDP_PACKETS(inf, var) FOR_PACKETS(inf->udp_pending, var)