1 // SPDX-License-Identifier: GPL-2.0+
3 * EFI application network access support
5 * Copyright (c) 2016 Alexander Graf
9 #include <efi_loader.h>
12 static const efi_guid_t efi_net_guid
= EFI_SIMPLE_NETWORK_PROTOCOL_GUID
;
13 static const efi_guid_t efi_pxe_base_code_protocol_guid
=
14 EFI_PXE_BASE_CODE_PROTOCOL_GUID
;
15 static struct efi_pxe_packet
*dhcp_ack
;
16 static bool new_rx_packet
;
17 static void *new_tx_packet
;
18 static void *transmit_buffer
;
21 * The notification function of this event is called in every timer cycle
22 * to check if a new network packet has been received.
24 static struct efi_event
*network_timer_event
;
26 * This event is signaled when a packet has been received.
28 static struct efi_event
*wait_for_packet
;
31 * struct efi_net_obj - EFI object representing a network interface
33 * @header: EFI object header
34 * @net: simple network protocol interface
35 * @net_mode: status of the network interface
36 * @pxe: PXE base code protocol interface
37 * @pxe_mode: status of the PXE base code protocol
40 struct efi_object header
;
41 struct efi_simple_network net
;
42 struct efi_simple_network_mode net_mode
;
43 struct efi_pxe_base_code_protocol pxe
;
44 struct efi_pxe_mode pxe_mode
;
48 * efi_net_start() - start the network interface
50 * This function implements the Start service of the
51 * EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
52 * (UEFI) specification for details.
54 * @this: pointer to the protocol instance
57 static efi_status_t EFIAPI
efi_net_start(struct efi_simple_network
*this)
59 efi_status_t ret
= EFI_SUCCESS
;
61 EFI_ENTRY("%p", this);
63 /* Check parameters */
65 ret
= EFI_INVALID_PARAMETER
;
69 if (this->mode
->state
!= EFI_NETWORK_STOPPED
)
70 ret
= EFI_ALREADY_STARTED
;
72 this->mode
->state
= EFI_NETWORK_STARTED
;
78 * efi_net_stop() - stop the network interface
80 * This function implements the Stop service of the
81 * EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
82 * (UEFI) specification for details.
84 * @this: pointer to the protocol instance
87 static efi_status_t EFIAPI
efi_net_stop(struct efi_simple_network
*this)
89 efi_status_t ret
= EFI_SUCCESS
;
91 EFI_ENTRY("%p", this);
93 /* Check parameters */
95 ret
= EFI_INVALID_PARAMETER
;
99 if (this->mode
->state
== EFI_NETWORK_STOPPED
)
100 ret
= EFI_NOT_STARTED
;
102 this->mode
->state
= EFI_NETWORK_STOPPED
;
104 return EFI_EXIT(ret
);
108 * efi_net_initialize() - initialize the network interface
110 * This function implements the Initialize service of the
111 * EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
112 * (UEFI) specification for details.
114 * @this: pointer to the protocol instance
115 * @extra_rx: extra receive buffer to be allocated
116 * @extra_tx: extra transmit buffer to be allocated
117 * Return: status code
119 static efi_status_t EFIAPI
efi_net_initialize(struct efi_simple_network
*this,
120 ulong extra_rx
, ulong extra_tx
)
123 efi_status_t r
= EFI_SUCCESS
;
125 EFI_ENTRY("%p, %lx, %lx", this, extra_rx
, extra_tx
);
127 /* Check parameters */
129 r
= EFI_INVALID_PARAMETER
;
133 /* Setup packet buffers */
135 /* Disable hardware and put it into the reset state */
137 /* Set current device according to environment variables */
139 /* Get hardware ready for send and receive operations */
143 this->mode
->state
= EFI_NETWORK_STOPPED
;
144 r
= EFI_DEVICE_ERROR
;
147 this->mode
->state
= EFI_NETWORK_INITIALIZED
;
154 * efi_net_reset() - reinitialize the network interface
156 * This function implements the Reset service of the
157 * EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
158 * (UEFI) specification for details.
160 * @this: pointer to the protocol instance
161 * @extended_verification: execute exhaustive verification
162 * Return: status code
164 static efi_status_t EFIAPI
efi_net_reset(struct efi_simple_network
*this,
165 int extended_verification
)
167 EFI_ENTRY("%p, %x", this, extended_verification
);
169 return EFI_EXIT(EFI_CALL(efi_net_initialize(this, 0, 0)));
173 * efi_net_shutdown() - shut down the network interface
175 * This function implements the Shutdown service of the
176 * EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
177 * (UEFI) specification for details.
179 * @this: pointer to the protocol instance
180 * Return: status code
182 static efi_status_t EFIAPI
efi_net_shutdown(struct efi_simple_network
*this)
184 efi_status_t ret
= EFI_SUCCESS
;
186 EFI_ENTRY("%p", this);
188 /* Check parameters */
190 ret
= EFI_INVALID_PARAMETER
;
195 this->mode
->state
= EFI_NETWORK_STOPPED
;
198 return EFI_EXIT(ret
);
202 * efi_net_receive_filters() - mange multicast receive filters
204 * This function implements the ReceiveFilters service of the
205 * EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
206 * (UEFI) specification for details.
208 * @this: pointer to the protocol instance
209 * @enable: bit mask of receive filters to enable
210 * @disable: bit mask of receive filters to disable
211 * @reset_mcast_filter: true resets contents of the filters
212 * @mcast_filter_count: number of hardware MAC addresses in the new filters list
213 * @mcast_filter: list of new filters
214 * Return: status code
216 static efi_status_t EFIAPI efi_net_receive_filters
217 (struct efi_simple_network
*this, u32 enable
, u32 disable
,
218 int reset_mcast_filter
, ulong mcast_filter_count
,
219 struct efi_mac_address
*mcast_filter
)
221 EFI_ENTRY("%p, %x, %x, %x, %lx, %p", this, enable
, disable
,
222 reset_mcast_filter
, mcast_filter_count
, mcast_filter
);
224 return EFI_EXIT(EFI_UNSUPPORTED
);
228 * efi_net_station_address() - set the hardware MAC address
230 * This function implements the StationAddress service of the
231 * EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
232 * (UEFI) specification for details.
234 * @this: pointer to the protocol instance
235 * @reset: if true reset the address to default
236 * @new_mac: new MAC address
237 * Return: status code
239 static efi_status_t EFIAPI efi_net_station_address
240 (struct efi_simple_network
*this, int reset
,
241 struct efi_mac_address
*new_mac
)
243 EFI_ENTRY("%p, %x, %p", this, reset
, new_mac
);
245 return EFI_EXIT(EFI_UNSUPPORTED
);
249 * efi_net_statistics() - reset or collect statistics of the network interface
251 * This function implements the Statistics service of the
252 * EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
253 * (UEFI) specification for details.
255 * @this: pointer to the protocol instance
256 * @reset: if true, the statistics are reset
257 * @stat_size: size of the statistics table
258 * @stat_table: table to receive the statistics
259 * Return: status code
261 static efi_status_t EFIAPI
efi_net_statistics(struct efi_simple_network
*this,
262 int reset
, ulong
*stat_size
,
265 EFI_ENTRY("%p, %x, %p, %p", this, reset
, stat_size
, stat_table
);
267 return EFI_EXIT(EFI_UNSUPPORTED
);
271 * efi_net_mcastiptomac() - translate multicast IP address to MAC address
273 * This function implements the Statistics service of the
274 * EFI_SIMPLE_NETWORK_PROTOCOL. See the Unified Extensible Firmware Interface
275 * (UEFI) specification for details.
277 * @this: pointer to the protocol instance
278 * @ipv6: true if the IP address is an IPv6 address
281 * Return: status code
283 static efi_status_t EFIAPI
efi_net_mcastiptomac(struct efi_simple_network
*this,
285 struct efi_ip_address
*ip
,
286 struct efi_mac_address
*mac
)
288 EFI_ENTRY("%p, %x, %p, %p", this, ipv6
, ip
, mac
);
290 return EFI_EXIT(EFI_INVALID_PARAMETER
);
294 * efi_net_nvdata() - read or write NVRAM
296 * This function implements the GetStatus service of the Simple Network
297 * Protocol. See the UEFI spec for details.
299 * @this: the instance of the Simple Network Protocol
300 * @readwrite: true for read, false for write
301 * @offset: offset in NVRAM
302 * @buffer_size: size of buffer
304 * Return: status code
306 static efi_status_t EFIAPI
efi_net_nvdata(struct efi_simple_network
*this,
307 int read_write
, ulong offset
,
308 ulong buffer_size
, char *buffer
)
310 EFI_ENTRY("%p, %x, %lx, %lx, %p", this, read_write
, offset
, buffer_size
,
313 return EFI_EXIT(EFI_UNSUPPORTED
);
317 * efi_net_get_status() - get interrupt status
319 * This function implements the GetStatus service of the Simple Network
320 * Protocol. See the UEFI spec for details.
322 * @this: the instance of the Simple Network Protocol
323 * @int_status: interface status
324 * @txbuf: transmission buffer
326 static efi_status_t EFIAPI
efi_net_get_status(struct efi_simple_network
*this,
327 u32
*int_status
, void **txbuf
)
329 efi_status_t ret
= EFI_SUCCESS
;
331 EFI_ENTRY("%p, %p, %p", this, int_status
, txbuf
);
335 /* Check parameters */
337 ret
= EFI_INVALID_PARAMETER
;
341 switch (this->mode
->state
) {
342 case EFI_NETWORK_STOPPED
:
343 ret
= EFI_NOT_STARTED
;
345 case EFI_NETWORK_STARTED
:
346 ret
= EFI_DEVICE_ERROR
;
353 /* We send packets synchronously, so nothing is outstanding */
354 *int_status
= EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT
;
356 *int_status
|= EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT
;
359 *txbuf
= new_tx_packet
;
361 new_tx_packet
= NULL
;
363 return EFI_EXIT(ret
);
367 * efi_net_transmit() - transmit a packet
369 * This function implements the Transmit service of the Simple Network Protocol.
370 * See the UEFI spec for details.
372 * @this: the instance of the Simple Network Protocol
373 * @header_size: size of the media header
374 * @buffer_size: size of the buffer to receive the packet
375 * @buffer: buffer to receive the packet
376 * @src_addr: source hardware MAC address
377 * @dest_addr: destination hardware MAC address
378 * @protocol: type of header to build
379 * Return: status code
381 static efi_status_t EFIAPI efi_net_transmit
382 (struct efi_simple_network
*this, size_t header_size
,
383 size_t buffer_size
, void *buffer
,
384 struct efi_mac_address
*src_addr
,
385 struct efi_mac_address
*dest_addr
, u16
*protocol
)
387 efi_status_t ret
= EFI_SUCCESS
;
389 EFI_ENTRY("%p, %lu, %lu, %p, %p, %p, %p", this,
390 (unsigned long)header_size
, (unsigned long)buffer_size
,
391 buffer
, src_addr
, dest_addr
, protocol
);
395 /* Check parameters */
396 if (!this || !buffer
) {
397 ret
= EFI_INVALID_PARAMETER
;
401 /* We do not support jumbo packets */
402 if (buffer_size
> PKTSIZE_ALIGN
) {
403 ret
= EFI_INVALID_PARAMETER
;
409 * TODO: We would need to create the header
410 * if header_size != 0
412 ret
= EFI_UNSUPPORTED
;
416 switch (this->mode
->state
) {
417 case EFI_NETWORK_STOPPED
:
418 ret
= EFI_NOT_STARTED
;
420 case EFI_NETWORK_STARTED
:
421 ret
= EFI_DEVICE_ERROR
;
427 /* Ethernet packets always fit, just bounce */
428 memcpy(transmit_buffer
, buffer
, buffer_size
);
429 net_send_packet(transmit_buffer
, buffer_size
);
431 new_tx_packet
= buffer
;
434 return EFI_EXIT(ret
);
438 * efi_net_receive() - receive a packet from a network interface
440 * This function implements the Receive service of the Simple Network Protocol.
441 * See the UEFI spec for details.
443 * @this: the instance of the Simple Network Protocol
444 * @header_size: size of the media header
445 * @buffer_size: size of the buffer to receive the packet
446 * @buffer: buffer to receive the packet
447 * @src_addr: source MAC address
448 * @dest_addr: destination MAC address
449 * @protocol: protocol
450 * Return: status code
452 static efi_status_t EFIAPI efi_net_receive
453 (struct efi_simple_network
*this, size_t *header_size
,
454 size_t *buffer_size
, void *buffer
,
455 struct efi_mac_address
*src_addr
,
456 struct efi_mac_address
*dest_addr
, u16
*protocol
)
458 efi_status_t ret
= EFI_SUCCESS
;
459 struct ethernet_hdr
*eth_hdr
;
460 size_t hdr_size
= sizeof(struct ethernet_hdr
);
463 EFI_ENTRY("%p, %p, %p, %p, %p, %p, %p", this, header_size
,
464 buffer_size
, buffer
, src_addr
, dest_addr
, protocol
);
469 /* Check parameters */
470 if (!this || !buffer
|| !buffer_size
) {
471 ret
= EFI_INVALID_PARAMETER
;
475 switch (this->mode
->state
) {
476 case EFI_NETWORK_STOPPED
:
477 ret
= EFI_NOT_STARTED
;
479 case EFI_NETWORK_STARTED
:
480 ret
= EFI_DEVICE_ERROR
;
486 if (!new_rx_packet
) {
490 /* Check that we at least received an Ethernet header */
491 if (net_rx_packet_len
< sizeof(struct ethernet_hdr
)) {
492 new_rx_packet
= false;
496 /* Fill export parameters */
497 eth_hdr
= (struct ethernet_hdr
*)net_rx_packet
;
498 protlen
= ntohs(eth_hdr
->et_protlen
);
499 if (protlen
== 0x8100) {
501 protlen
= ntohs(*(u16
*)&net_rx_packet
[hdr_size
- 2]);
504 *header_size
= hdr_size
;
506 memcpy(dest_addr
, eth_hdr
->et_dest
, ARP_HLEN
);
508 memcpy(src_addr
, eth_hdr
->et_src
, ARP_HLEN
);
511 if (*buffer_size
< net_rx_packet_len
) {
512 /* Packet doesn't fit, try again with bigger buffer */
513 *buffer_size
= net_rx_packet_len
;
514 ret
= EFI_BUFFER_TOO_SMALL
;
518 memcpy(buffer
, net_rx_packet
, net_rx_packet_len
);
519 *buffer_size
= net_rx_packet_len
;
520 new_rx_packet
= false;
522 return EFI_EXIT(ret
);
526 * efi_net_set_dhcp_ack() - take note of a selected DHCP IP address
528 * This function is called by dhcp_handler().
530 void efi_net_set_dhcp_ack(void *pkt
, int len
)
532 int maxsize
= sizeof(*dhcp_ack
);
535 dhcp_ack
= malloc(maxsize
);
537 memcpy(dhcp_ack
, pkt
, min(len
, maxsize
));
541 * efi_net_push() - callback for received network packet
543 * This function is called when a network packet is received by eth_rx().
545 * @pkt: network packet
548 static void efi_net_push(void *pkt
, int len
)
550 new_rx_packet
= true;
551 wait_for_packet
->is_signaled
= true;
555 * efi_network_timer_notify() - check if a new network packet has been received
557 * This notification function is called in every timer cycle.
559 * @event the event for which this notification function is registered
560 * @context event context - not used in this function
562 static void EFIAPI
efi_network_timer_notify(struct efi_event
*event
,
565 struct efi_simple_network
*this = (struct efi_simple_network
*)context
;
567 EFI_ENTRY("%p, %p", event
, context
);
570 * Some network drivers do not support calling eth_rx() before
573 if (!this || this->mode
->state
!= EFI_NETWORK_INITIALIZED
)
576 if (!new_rx_packet
) {
577 push_packet
= efi_net_push
;
582 EFI_EXIT(EFI_SUCCESS
);
585 static efi_status_t EFIAPI
efi_pxe_base_code_start(
586 struct efi_pxe_base_code_protocol
*this,
589 return EFI_UNSUPPORTED
;
592 static efi_status_t EFIAPI
efi_pxe_base_code_stop(
593 struct efi_pxe_base_code_protocol
*this)
595 return EFI_UNSUPPORTED
;
598 static efi_status_t EFIAPI
efi_pxe_base_code_dhcp(
599 struct efi_pxe_base_code_protocol
*this,
602 return EFI_UNSUPPORTED
;
605 static efi_status_t EFIAPI
efi_pxe_base_code_discover(
606 struct efi_pxe_base_code_protocol
*this,
607 u16 type
, u16
*layer
, u8 bis
,
608 struct efi_pxe_base_code_discover_info
*info
)
610 return EFI_UNSUPPORTED
;
613 static efi_status_t EFIAPI
efi_pxe_base_code_mtftp(
614 struct efi_pxe_base_code_protocol
*this,
615 u32 operation
, void *buffer_ptr
,
616 u8 overwrite
, efi_uintn_t
*buffer_size
,
617 struct efi_ip_address server_ip
, char *filename
,
618 struct efi_pxe_base_code_mtftp_info
*info
,
621 return EFI_UNSUPPORTED
;
624 static efi_status_t EFIAPI
efi_pxe_base_code_udp_write(
625 struct efi_pxe_base_code_protocol
*this,
626 u16 op_flags
, struct efi_ip_address
*dest_ip
,
628 struct efi_ip_address
*gateway_ip
,
629 struct efi_ip_address
*src_ip
, u16
*src_port
,
630 efi_uintn_t
*header_size
, void *header_ptr
,
631 efi_uintn_t
*buffer_size
, void *buffer_ptr
)
633 return EFI_UNSUPPORTED
;
636 static efi_status_t EFIAPI
efi_pxe_base_code_udp_read(
637 struct efi_pxe_base_code_protocol
*this,
638 u16 op_flags
, struct efi_ip_address
*dest_ip
,
639 u16
*dest_port
, struct efi_ip_address
*src_ip
,
640 u16
*src_port
, efi_uintn_t
*header_size
,
641 void *header_ptr
, efi_uintn_t
*buffer_size
,
644 return EFI_UNSUPPORTED
;
647 static efi_status_t EFIAPI
efi_pxe_base_code_set_ip_filter(
648 struct efi_pxe_base_code_protocol
*this,
649 struct efi_pxe_base_code_filter
*new_filter
)
651 return EFI_UNSUPPORTED
;
654 static efi_status_t EFIAPI
efi_pxe_base_code_arp(
655 struct efi_pxe_base_code_protocol
*this,
656 struct efi_ip_address
*ip_addr
,
657 struct efi_mac_address
*mac_addr
)
659 return EFI_UNSUPPORTED
;
662 static efi_status_t EFIAPI
efi_pxe_base_code_set_parameters(
663 struct efi_pxe_base_code_protocol
*this,
664 u8
*new_auto_arp
, u8
*new_send_guid
,
665 u8
*new_ttl
, u8
*new_tos
,
666 u8
*new_make_callback
)
668 return EFI_UNSUPPORTED
;
671 static efi_status_t EFIAPI
efi_pxe_base_code_set_station_ip(
672 struct efi_pxe_base_code_protocol
*this,
673 struct efi_ip_address
*new_station_ip
,
674 struct efi_ip_address
*new_subnet_mask
)
676 return EFI_UNSUPPORTED
;
679 static efi_status_t EFIAPI
efi_pxe_base_code_set_packets(
680 struct efi_pxe_base_code_protocol
*this,
681 u8
*new_dhcp_discover_valid
,
682 u8
*new_dhcp_ack_received
,
683 u8
*new_proxy_offer_received
,
684 u8
*new_pxe_discover_valid
,
685 u8
*new_pxe_reply_received
,
686 u8
*new_pxe_bis_reply_received
,
687 EFI_PXE_BASE_CODE_PACKET
*new_dchp_discover
,
688 EFI_PXE_BASE_CODE_PACKET
*new_dhcp_acc
,
689 EFI_PXE_BASE_CODE_PACKET
*new_proxy_offer
,
690 EFI_PXE_BASE_CODE_PACKET
*new_pxe_discover
,
691 EFI_PXE_BASE_CODE_PACKET
*new_pxe_reply
,
692 EFI_PXE_BASE_CODE_PACKET
*new_pxe_bis_reply
)
694 return EFI_UNSUPPORTED
;
698 * efi_net_register() - register the simple network protocol
700 * This gets called from do_bootefi_exec().
702 efi_status_t
efi_net_register(void)
704 struct efi_net_obj
*netobj
= NULL
;
707 if (!eth_get_dev()) {
708 /* No network device active, don't expose any */
712 /* We only expose the "active" network device, so one is enough */
713 netobj
= calloc(1, sizeof(*netobj
));
715 goto out_of_resources
;
717 /* Allocate an aligned transmit buffer */
718 transmit_buffer
= calloc(1, PKTSIZE_ALIGN
+ PKTALIGN
);
719 if (!transmit_buffer
)
720 goto out_of_resources
;
721 transmit_buffer
= (void *)ALIGN((uintptr_t)transmit_buffer
, PKTALIGN
);
723 /* Hook net up to the device list */
724 efi_add_handle(&netobj
->header
);
726 /* Fill in object data */
727 r
= efi_add_protocol(&netobj
->header
, &efi_net_guid
,
729 if (r
!= EFI_SUCCESS
)
730 goto failure_to_add_protocol
;
731 r
= efi_add_protocol(&netobj
->header
, &efi_guid_device_path
,
733 if (r
!= EFI_SUCCESS
)
734 goto failure_to_add_protocol
;
735 r
= efi_add_protocol(&netobj
->header
, &efi_pxe_base_code_protocol_guid
,
737 if (r
!= EFI_SUCCESS
)
738 goto failure_to_add_protocol
;
739 netobj
->net
.revision
= EFI_SIMPLE_NETWORK_PROTOCOL_REVISION
;
740 netobj
->net
.start
= efi_net_start
;
741 netobj
->net
.stop
= efi_net_stop
;
742 netobj
->net
.initialize
= efi_net_initialize
;
743 netobj
->net
.reset
= efi_net_reset
;
744 netobj
->net
.shutdown
= efi_net_shutdown
;
745 netobj
->net
.receive_filters
= efi_net_receive_filters
;
746 netobj
->net
.station_address
= efi_net_station_address
;
747 netobj
->net
.statistics
= efi_net_statistics
;
748 netobj
->net
.mcastiptomac
= efi_net_mcastiptomac
;
749 netobj
->net
.nvdata
= efi_net_nvdata
;
750 netobj
->net
.get_status
= efi_net_get_status
;
751 netobj
->net
.transmit
= efi_net_transmit
;
752 netobj
->net
.receive
= efi_net_receive
;
753 netobj
->net
.mode
= &netobj
->net_mode
;
754 netobj
->net_mode
.state
= EFI_NETWORK_STARTED
;
755 memcpy(netobj
->net_mode
.current_address
.mac_addr
, eth_get_ethaddr(), 6);
756 netobj
->net_mode
.hwaddr_size
= ARP_HLEN
;
757 netobj
->net_mode
.max_packet_size
= PKTSIZE
;
758 netobj
->net_mode
.if_type
= ARP_ETHER
;
760 netobj
->pxe
.revision
= EFI_PXE_BASE_CODE_PROTOCOL_REVISION
;
761 netobj
->pxe
.start
= efi_pxe_base_code_start
;
762 netobj
->pxe
.stop
= efi_pxe_base_code_stop
;
763 netobj
->pxe
.dhcp
= efi_pxe_base_code_dhcp
;
764 netobj
->pxe
.discover
= efi_pxe_base_code_discover
;
765 netobj
->pxe
.mtftp
= efi_pxe_base_code_mtftp
;
766 netobj
->pxe
.udp_write
= efi_pxe_base_code_udp_write
;
767 netobj
->pxe
.udp_read
= efi_pxe_base_code_udp_read
;
768 netobj
->pxe
.set_ip_filter
= efi_pxe_base_code_set_ip_filter
;
769 netobj
->pxe
.arp
= efi_pxe_base_code_arp
;
770 netobj
->pxe
.set_parameters
= efi_pxe_base_code_set_parameters
;
771 netobj
->pxe
.set_station_ip
= efi_pxe_base_code_set_station_ip
;
772 netobj
->pxe
.set_packets
= efi_pxe_base_code_set_packets
;
773 netobj
->pxe
.mode
= &netobj
->pxe_mode
;
775 netobj
->pxe_mode
.dhcp_ack
= *dhcp_ack
;
778 * Create WaitForPacket event.
780 r
= efi_create_event(EVT_NOTIFY_WAIT
, TPL_CALLBACK
,
781 efi_network_timer_notify
, NULL
, NULL
,
783 if (r
!= EFI_SUCCESS
) {
784 printf("ERROR: Failed to register network event\n");
787 netobj
->net
.wait_for_packet
= wait_for_packet
;
789 * Create a timer event.
791 * The notification function is used to check if a new network packet
794 * iPXE is running at TPL_CALLBACK most of the time. Use a higher TPL.
796 r
= efi_create_event(EVT_TIMER
| EVT_NOTIFY_SIGNAL
, TPL_NOTIFY
,
797 efi_network_timer_notify
, &netobj
->net
, NULL
,
798 &network_timer_event
);
799 if (r
!= EFI_SUCCESS
) {
800 printf("ERROR: Failed to register network event\n");
803 /* Network is time critical, create event in every timer cycle */
804 r
= efi_set_timer(network_timer_event
, EFI_TIMER_PERIODIC
, 0);
805 if (r
!= EFI_SUCCESS
) {
806 printf("ERROR: Failed to set network timer\n");
811 failure_to_add_protocol
:
812 printf("ERROR: Failure to add protocol\n");
816 /* free(transmit_buffer) not needed yet */
817 printf("ERROR: Out of memory\n");
818 return EFI_OUT_OF_RESOURCES
;