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efi_loader: Add network access support

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We can now successfully boot EFI applications from disk, but users
may want to also run them from a PXE setup.

This patch implements rudimentary network support, allowing a payload
to send and receive network packets.

With this patch, I was able to successfully run grub2 with network
access inside of QEMU's -M xlnx-ep108.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf
2016-05-06 21:01:01 +02:00
committed by Tom Rini
parent 7e6621a1ca
commit 0efe1bcf5c
9 changed files with 432 additions and 3 deletions
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2
include/net.h
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@@ -269,7 +269,7 @@ int eth_getenv_enetaddr_by_index(const char *base_name, int index,
int eth_init(void); /* Initialize the device */
int eth_send(void *packet, int length); /* Send a packet */
#ifdef CONFIG_API
#if defined(CONFIG_API) || defined(CONFIG_EFI_LOADER)
int eth_receive(void *packet, int length); /* Receive a packet*/
extern void (*push_packet)(void *packet, int length);
#endif