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extlinux / PXE"
Simon Glass <[email protected]> says:
This series includes some patches related to allowing read_all() to be
used with the extlinux / PXE bootmeths.
These patches were split out from the stb4 series, since it will need to
have additional patches for LWIP, to avoid breaking PXE booting when
LWIP is used.
Link: https://lore.kernel.org/r/[email protected]
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Add a new netboot_run() function which can be used for simple network
operations, such as loading a file. Put the implementation in an
internal function, used by the existing code.
Place this function into the net/ code, so that it does not need the
command line to be available.
Document which network operations are supported, i.e. a limited subset,
for now.
For the one board which uses lwip, it is not quite clear how to avoid
using the cmdline interface. This will need some discussion.
Signed-off-by: Simon Glass <[email protected]>
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The following symbols are exposed:
- efi_reinstall_protocol_interface
This is done so that the device path protocol interface
of the network device can be changed internally by u-boot
when a new bootfile gets downloaded.
- eth_set_dev
To support multiple network udevices
- efi_close_event
This comes in preparation to support unregistering
an EFI network device from the EFI network stack when
the underlying U-boot device gets removed
- efi_[dis]connect_controller
The EFI network driver uses ConnectController to add a
NIC to the EFI network stack.
- efi_uninstall_protocol_interface
connect_controler for the efi network driver can install
protocols, which need to be uninstalled in disconnect_controller
- EFI_SIMPLE_NETWORK_PROTOCOL_GUID
Signed-off-by: Adriano Cordova <[email protected]>
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The output of ip_to_string() is a string.
Signed-off-by: Heinrich Schuchardt <[email protected]>
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This was marked as TODO in the code:
- Enable use of wget_with_dns even if CMD_DNS is disabled if
the given uri has the ip address for the http server.
- Move the check for CMD_DNS inside wget_with_dns.
- Rename wget_with_dns to wget_do_request
Signed-off-by: Adriano Cordova <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Jerome Forissier <[email protected]>
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Prepare v2025.01-rc3
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The function string_to_ip is already in net_utils, which is
compiled unconditionally, but ip_to_string is currently only
accessible if the legacy network stack is selected. This
commit puts ip_to_string in net_utils.c and removes it from the
legacy network code.
Signed-off-by: Adriano Cordova <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
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There are two wget_with_dns functions, one in the legacy network
stack and one in lwip, but the return values are not compatible.
This commit modifies the legacy version of wget_with_dns so that
the return values are compatible: 0 on success, otherwise a negative
error. This way wget_with_dns can be called in a network stack
agnostic way.
Signed-off-by: Adriano Cordova <[email protected]>
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Declare and define a global default struct wget_http_info
and an interface to issue wget requests providing a custom
struct wget_http_info. This code is common to legacy wget
and lwip wget. The idea is that the command wget should use
the default wget_http_info and other internal u-boot code
can call wget_request with their own wget_http_info struct.
Signed-off-by: Adriano Cordova <[email protected]>
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The struct wget_http_info exposes the HTTP information of the last HTTP
request issued by wget, and it controls whether the efi bootdevice is set,
and whether the buffer size needs to be checked (lwip stack only). This
information is otherwise discarded. The wget_http_info struct can be used
by HTTP drivers to have more control over HTTP requests.
Signed-off-by: Adriano Cordova <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
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Fix various code style issues in the lwIP code.
Reported-by: Tom Rini <[email protected]>
Signed-off-by: Jerome Forissier <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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Implement do_tftpb(). This implementation of the tftp command
supports an optional port number. For example:
tftp 192.168.0.30:9069:file.bin
It also supports taking the server IP from ${tftpserverip} if
defined, before falling back to ${serverip}.
Signed-off-by: Jerome Forissier <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
Tested-by: Ilias Apalodimas <[email protected]>
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Add what it takes to enable NETDEVICES with NET_LWIP and enable DHCP as
well as the dhcp command. CMD_TFTPBOOT is selected by BOOTMETH_EFI due
to this code having an implicit dependency on do_tftpb().
Note that PXE is likely non-fonctional with NET_LWIP (or at least not
100% functional) because DHCP option 209 is not supported by the lwIP
library. Therefore, BOOTP_PXE_DHCP_OPTION cannot be enabled.
Signed-off-by: Jerome Forissier <[email protected]>
Tested-by: Ilias Apalodimas <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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Add a function to start a given network device, and update eth_init()
to use it.
Signed-off-by: Jerome Forissier <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Make net.h a wrapper which includes net-common.h and either
net-legacy.h or net-lwip.h based on NET_LWIP. The function
copy_filename() can be useful when NET_LWIP is enabled, therefore
move it out of net/net.c which is built only when networking choice
is NET and create a new file net/net-common.c.
Signed-off-by: Jerome Forissier <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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