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several cleanups. Ping reply support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-07-08 14:41:52 +02:00
parent 6e706342c3
commit 1367c143dd
10 changed files with 263 additions and 88 deletions
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38
include/grub/net.h
View file

@ -196,40 +196,6 @@ struct grub_net_app_protocol
grub_err_t (*close) (struct grub_file *file);
};
struct grub_net_socket
{
struct grub_net_socket *next;
enum { GRUB_NET_SOCKET_START,
GRUB_NET_SOCKET_ESTABLISHED,
GRUB_NET_SOCKET_CLOSED } x_status;
int x_in_port;
int x_out_port;
grub_err_t (*recv_hook) (grub_net_socket_t sock, struct grub_net_buff *nb,
void *recv);
void *recv_hook_data;
grub_net_network_level_address_t x_out_nla;
struct grub_net_network_level_interface *x_inf;
};
extern struct grub_net_socket *grub_net_sockets;
static inline void
grub_net_socket_register (grub_net_socket_t sock)
{
grub_list_push (GRUB_AS_LIST_P (&grub_net_sockets),
GRUB_AS_LIST (sock));
}
static inline void
grub_net_socket_unregister (grub_net_socket_t sock)
{
grub_list_remove (GRUB_AS_LIST_P (&grub_net_sockets),
GRUB_AS_LIST (sock));
}
#define FOR_NET_SOCKETS(var) for (var = grub_net_sockets; var; var = var->next)
typedef struct grub_net
{
char *server;
@ -337,7 +303,7 @@ void
grub_net_card_unregister (struct grub_net_card *card);
#define FOR_NET_CARDS(var) for (var = grub_net_cards; var; var = var->next)
#define FOR_NET_CARDS_SAFE(var, next) for (var = grub_net_cards, next = var->next; var; var = next, next = var->next)
#define FOR_NET_CARDS_SAFE(var, next) for (var = grub_net_cards, next = (var ? var->next : 0); var; var = next, next = (var ? var->next : 0))
struct grub_net_session *
@ -426,7 +392,7 @@ grub_net_addr_to_str (const grub_net_network_level_address_t *target,
extern struct grub_net_network_level_interface *grub_net_network_level_interfaces;
#define FOR_NET_NETWORK_LEVEL_INTERFACES(var) for (var = grub_net_network_level_interfaces; var; var = var->next)
#define FOR_NET_NETWORK_LEVEL_INTERFACES_SAFE(var,next) for (var = grub_net_network_level_interfaces, next = var->next; var; var = next, next = var->next)
#define FOR_NET_NETWORK_LEVEL_INTERFACES_SAFE(var,next) for (var = grub_net_network_level_interfaces, next = (var ? var->next : 0); var; var = next, next = (var ? var->next : 0))
void
grub_net_poll_cards (unsigned time);

18
include/grub/net/arp.h
View file

@ -1,3 +1,21 @@
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010,2011 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_NET_ARP_HEADER
#define GRUB_NET_ARP_HEADER 1
#include <grub/misc.h>

24
include/grub/net/ip.h
View file

@ -21,13 +21,15 @@
#include <grub/misc.h>
#include <grub/net.h>
enum
typedef enum grub_net_ip_protocol
{
IP_UDP = 0x11 /* UDP protocol */
};
#define IP_BROADCAST 0xFFFFFFFF
GRUB_NET_IP_ICMP = 1,
GRUB_NET_IP_TCP = 6,
GRUB_NET_IP_UDP = 17
} grub_net_ip_protocol_t;
#define GRUB_NET_IP_BROADCAST 0xFFFFFFFF
grub_uint16_t grub_net_ip_chksum(void *ipv, int len);
grub_uint16_t grub_net_ip_chksum(void *ipv, grub_size_t len);
grub_err_t
grub_net_recv_ip_packets (struct grub_net_buff *nb,
@ -37,6 +39,16 @@ grub_net_recv_ip_packets (struct grub_net_buff *nb,
grub_err_t
grub_net_send_ip_packet (struct grub_net_network_level_interface *inf,
const grub_net_network_level_address_t *target,
struct grub_net_buff *nb);
struct grub_net_buff *nb,
grub_net_ip_protocol_t proto);
grub_err_t
grub_net_recv_icmp_packet (struct grub_net_buff *nb,
struct grub_net_network_level_interface *inf,
const grub_net_network_level_address_t *src);
grub_err_t
grub_net_recv_udp_packet (struct grub_net_buff *nb,
struct grub_net_network_level_interface *inf,
const grub_net_network_level_address_t *src);
#endif

21
include/grub/net/udp.h
View file

@ -11,28 +11,23 @@ struct udphdr
grub_uint16_t chksum;
} __attribute__ ((packed));
struct grub_net_udp_socket;
typedef struct grub_net_udp_socket *grub_net_udp_socket_t;
grub_net_socket_t
grub_net_udp_socket_t
grub_net_udp_open (char *server,
grub_uint16_t out_port,
grub_err_t (*recv_hook) (grub_net_socket_t sock,
grub_err_t (*recv_hook) (grub_net_udp_socket_t sock,
struct grub_net_buff *nb,
void *data),
void *recv_hook_data);
static inline void
grub_net_udp_close (grub_net_socket_t sock)
{
grub_net_socket_unregister (sock);
grub_free (sock);
}
void
grub_net_udp_close (grub_net_udp_socket_t sock);
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,
struct grub_net_network_level_interface *inf);
grub_net_send_udp_packet (const grub_net_udp_socket_t socket,
struct grub_net_buff *nb);
#endif