+/*
+ * 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/>.
+ */
+
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/net/ethernet.h>
#include <grub/time.h>
#include <grub/net/arp.h>
+#define LLCADDRMASK 0x7f
+
+struct etherhdr
+{
+ grub_uint8_t dst[6];
+ grub_uint8_t src[6];
+ grub_uint16_t type;
+} __attribute__ ((packed));
+
+struct llchdr
+{
+ grub_uint8_t dsap;
+ grub_uint8_t ssap;
+ grub_uint8_t ctrl;
+} __attribute__ ((packed));
+
+struct snaphdr
+{
+ grub_uint8_t oui[3];
+ grub_uint16_t type;
+} __attribute__ ((packed));
+
grub_err_t
send_ethernet_packet (struct grub_net_network_level_interface *inf,
struct grub_net_buff *nb,
+/*
+ * 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/>.
+ */
+
#include <grub/net/ip.h>
#include <grub/misc.h>
#include <grub/net/arp.h>
#include <grub/net/netbuff.h>
#include <grub/mm.h>
+struct iphdr {
+ grub_uint8_t verhdrlen;
+ grub_uint8_t service;
+ grub_uint16_t len;
+ grub_uint16_t ident;
+ grub_uint16_t frags;
+ grub_uint8_t ttl;
+ grub_uint8_t protocol;
+ grub_uint16_t chksum;
+ grub_uint32_t src;
+ grub_uint32_t dest;
+} __attribute__ ((packed)) ;
+
+struct ip6hdr
+{
+ grub_uint8_t version:4, priority:4;
+ grub_uint8_t flow_lbl[3];
+ grub_uint16_t payload_len;
+ grub_uint8_t nexthdr;
+ grub_uint8_t hop_limit;
+ grub_uint8_t saddr[16];
+ grub_uint8_t daddr[16];
+} __attribute__ ((packed));
+
grub_uint16_t
-ipchksum (void *ipv, int len)
+grub_net_ip_chksum (void *ipv, int len)
{
grub_uint16_t *ip = (grub_uint16_t *) ipv;
grub_uint32_t sum = 0;
iph->dest = target->ipv4;
iph->chksum = 0;
- iph->chksum = ipchksum ((void *) nb->data, sizeof (*iph));
+ iph->chksum = grub_net_ip_chksum ((void *) nb->data, sizeof (*iph));
/* Determine link layer target address via ARP. */
err = grub_net_arp_resolve (inf, target, &ll_target_addr);
#include <grub/net/udp.h>
#include <grub/net.h>
#include <grub/net/netbuff.h>
+#include <grub/net/ip.h>
#include <grub/time.h>
#include <grub/file.h>
#include <grub/i18n.h>
+/*
+ * 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/>.
+ */
+
#include <grub/misc.h>
-#include <grub/net/tftp.h>
#include <grub/net/udp.h>
#include <grub/net/ip.h>
#include <grub/net/ethernet.h>
GRUB_MOD_LICENSE ("GPLv3+");
+/* IP port for the MTFTP server used for Intel's PXE */
+enum
+ {
+ MTFTP_SERVER_PORT = 75,
+ MTFTP_CLIENT_PORT = 76,
+ /* IP port for the TFTP server */
+ TFTP_SERVER_PORT = 69
+ };
+
+enum
+ {
+ TFTP_DEFAULTSIZE_PACKET = 512,
+ TFTP_MAX_PACKET = 1432
+ };
+
+enum
+ {
+ TFTP_CODE_EOF = 1,
+ TFTP_CODE_MORE = 2,
+ TFTP_CODE_ERROR = 3,
+ TFTP_CODE_BOOT = 4,
+ TFTP_CODE_CFG = 5
+ };
+
+enum
+ {
+ TFTP_RRQ = 1,
+ TFTP_WRQ = 2,
+ TFTP_DATA = 3,
+ TFTP_ACK = 4,
+ TFTP_ERROR = 5,
+ TFTP_OACK = 6
+ };
+
+enum
+ {
+ TFTP_EUNDEF = 0, /* not defined */
+ TFTP_ENOTFOUND = 1, /* file not found */
+ TFTP_EACCESS = 2, /* access violation */
+ TFTP_ENOSPACE = 3, /* disk full or allocation exceeded */
+ TFTP_EBADOP = 4, /* illegal TFTP operation */
+ TFTP_EBADID = 5, /* unknown transfer ID */
+ TFTP_EEXISTS = 6, /* file already exists */
+ TFTP_ENOUSER = 7 /* no such user */
+ };
+
+struct tftphdr {
+ grub_uint16_t opcode;
+ union {
+ grub_int8_t rrq[TFTP_DEFAULTSIZE_PACKET];
+ struct {
+ grub_uint16_t block;
+ grub_int8_t download[TFTP_MAX_PACKET];
+ } data;
+ struct {
+ grub_uint16_t block;
+ } ack;
+ struct {
+ grub_uint16_t errcode;
+ grub_int8_t errmsg[TFTP_DEFAULTSIZE_PACKET];
+ } err;
+ struct {
+ grub_int8_t data[TFTP_DEFAULTSIZE_PACKET+2];
+ } oack;
+ } u;
+} __attribute__ ((packed)) ;
+
+
typedef struct tftp_data
{
grub_uint64_t file_size;
switch (grub_be_to_cpu16 (tftph->opcode))
{
case TFTP_OACK:
- data->block_size = 512;
+ data->block_size = TFTP_DEFAULTSIZE_PACKET;
data->have_oack = 1;
for (ptr = nb->data + sizeof (tftph->opcode); ptr < nb->tail;)
{
tftp_close (struct grub_file *file)
{
tftp_data_t data = file->data;
+
if (data->sock)
- grub_net_udp_close (data->sock);
+ {
+ char nbdata[512];
+ grub_err_t err;
+ struct grub_net_buff nb_err;
+ struct tftphdr *tftph;
+
+ nb_err.head = nbdata;
+ nb_err.end = nbdata + sizeof (nbdata);
+
+ grub_netbuff_clear (&nb_err);
+ grub_netbuff_reserve (&nb_err, 512);
+ err = grub_netbuff_push (&nb_err, sizeof (tftph->opcode)
+ + sizeof (tftph->u.err.errcode)
+ + sizeof ("closed"));
+ if (!err)
+ {
+ tftph = (struct tftphdr *) nb_err.data;
+ tftph->opcode = grub_cpu_to_be16 (TFTP_ERROR);
+ tftph->u.err.errcode = grub_cpu_to_be16 (TFTP_EUNDEF);
+ grub_memcpy (tftph->u.err.errmsg, "closed", sizeof ("closed"));
+
+ err = grub_net_send_udp_packet (data->sock, &nb_err);
+ }
+ if (err)
+ grub_print_error ();
+ grub_net_udp_close (data->sock);
+ }
grub_free (data);
return GRUB_ERR_NONE;
}
/*
* GRUB -- GRand Unified Bootloader
- * Copyright (C) 2010 Free Software Foundation, Inc.
+ * 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
grub_net_packet_t *last;
} grub_net_packets_t;
+#ifdef GRUB_MACHINE_EFI
+#include <grub/efi/api.h>
+#endif
+
struct grub_net_card
{
struct grub_net_card *next;
int opened;
union
{
+#ifdef GRUB_MACHINE_EFI
struct
{
struct grub_efi_simple_network *efi_net;
- void *efi_handle;
+ grub_efi_handle_t efi_handle;
};
+#endif
void *data;
int data_num;
};
#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)
-grub_err_t grub_net_send_link_layer (struct grub_net_network_level_interface *inf,
- struct grub_net_buff *nb,
- grub_net_link_level_address_t *target);
-
-typedef int
-(*grub_net_packet_handler_t) (struct grub_net_buff *nb,
- struct grub_net_network_level_interface *inf);
-
-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,
- 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,
- const grub_net_network_level_address_t *target,
- struct grub_net_buff *nb);
-
-#define FOR_NET_NL_PACKETS(inf, var) FOR_PACKETS(inf->nl_pending, var)
-
void
grub_net_poll_cards (unsigned time);
+/*
+ * 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_ETHERNET_HEADER
#define GRUB_NET_ETHERNET_HEADER 1
#include <grub/types.h>
#include <grub/net.h>
-#define LLCADDRMASK 0x7f
-
-struct etherhdr
-{
- grub_uint8_t dst[6];
- grub_uint8_t src[6];
- grub_uint16_t type;
-} __attribute__ ((packed));
-
-struct llchdr
-{
- grub_uint8_t dsap;
- grub_uint8_t ssap;
- grub_uint8_t ctrl;
-} __attribute__ ((packed));
-
-struct snaphdr
-{
- grub_uint8_t oui[3];
- grub_uint16_t type;
-} __attribute__ ((packed));
-
/* IANA Ethertype */
enum
{
GRUB_NET_ETHERTYPE_ARP = 0x0806
};
-
grub_err_t
send_ethernet_packet (struct grub_net_network_level_interface *inf,
struct grub_net_buff *nb,
+/*
+ * 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_IP_HEADER
#define GRUB_NET_IP_HEADER 1
#include <grub/misc.h>
+#include <grub/net.h>
+
+enum
+ {
+ IP_UDP = 0x11 /* UDP protocol */
+ };
+#define IP_BROADCAST 0xFFFFFFFF
-struct iphdr {
- grub_uint8_t verhdrlen;
- grub_uint8_t service;
- grub_uint16_t len;
- grub_uint16_t ident;
- grub_uint16_t frags;
- grub_uint8_t ttl;
- grub_uint8_t protocol;
- grub_uint16_t chksum;
- grub_uint32_t src;
- grub_uint32_t dest;
-} __attribute__ ((packed)) ;
+grub_uint16_t grub_net_ip_chksum(void *ipv, int len);
-struct ip6hdr
-{
- grub_uint8_t version:4, priority:4;
- grub_uint8_t flow_lbl[3];
- grub_uint16_t payload_len;
- grub_uint8_t nexthdr;
- grub_uint8_t hop_limit;
- grub_uint8_t saddr[16];
- grub_uint8_t daddr[16];
-} __attribute__ ((packed));
+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);
-#define IP_UDP 0x11 /* UDP protocol */
-#define IP_BROADCAST 0xFFFFFFFF
+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);
-grub_uint16_t ipchksum(void *ipv, int len);
-void ipv4_ini(void);
-void ipv4_fini(void);
#endif
+++ /dev/null
-#ifndef GRUB_NET_TFTP_HEADER
-#define GRUB_NET_TFTP_HEADER 1
-
-#include <grub/misc.h>
-#include <grub/net/ethernet.h>
-#include <grub/net/udp.h>
-
-/* IP port for the MTFTP server used for Intel's PXE */
-#define MTFTP_SERVER_PORT 75
-#define MTFTP_CLIENT_PORT 76
-
-#define TFTP_DEFAULTSIZE_PACKET 512
-#define TFTP_MAX_PACKET 1432
-
-/* IP port for the TFTP server */
-#define TFTP_SERVER_PORT 69
-
-
-/* We define these based on what's in arpa/tftp.h. We just like our
- * names better, cause they're clearer */
-#define TFTP_RRQ 1
-#define TFTP_WRQ 2
-#define TFTP_DATA 3
-#define TFTP_ACK 4
-#define TFTP_ERROR 5
-#define TFTP_OACK 6
-
-#define TFTP_CODE_EOF 1
-#define TFTP_CODE_MORE 2
-#define TFTP_CODE_ERROR 3
-#define TFTP_CODE_BOOT 4
-#define TFTP_CODE_CFG 5
-
-#define TFTP_EUNDEF 0 /* not defined */
-#define TFTP_ENOTFOUND 1 /* file not found */
-#define TFTP_EACCESS 2 /* access violation */
-#define TFTP_ENOSPACE 3 /* disk full or allocation exceeded */
-#define TFTP_EBADOP 4 /* illegal TFTP operation */
-#define TFTP_EBADID 5 /* unknown transfer ID */
-#define TFTP_EEXISTS 6 /* file already exists */
-#define TFTP_ENOUSER 7 /* no such user */
-
- /* * own here because this is cleaner, and maps to the same data layout.
- * */
-
-
-struct tftphdr {
- grub_uint16_t opcode;
- union {
- grub_int8_t rrq[TFTP_DEFAULTSIZE_PACKET];
- struct {
- grub_uint16_t block;
- grub_int8_t download[TFTP_MAX_PACKET];
- } data;
- struct {
- grub_uint16_t block;
- } ack;
- struct {
- grub_uint16_t errcode;
- grub_int8_t errmsg[TFTP_DEFAULTSIZE_PACKET];
- } err;
- struct {
- grub_int8_t data[TFTP_DEFAULTSIZE_PACKET+2];
- } oack;
- } u;
-} __attribute__ ((packed)) ;
-
-#endif
}
grub_err_t
-grub_net_send_udp_packet (const grub_net_socket_t socket , struct grub_net_buff *nb);
+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);
-#define FOR_NET_UDP_PACKETS(inf, var) FOR_PACKETS(inf->udp_pending, var)
-
#endif
projects / thirdparty / grub.git / commitdiff
