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The call to eth_init within net_init causes the network interface to
start, stop, start again which can cause issues with certain network
device drivers. Remove it to make it behave like the legacy network
path.
Fixes: 5666865decb8 ("net: lwip: fix initialization sequence before a command")
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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For NET_LWIP eth_is_on_demand_init() is always 1 so remove the check and
simplify the code.
Suggested-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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Add a helper fonction to convert an IP address (supplied as a text
string) or a host name to an ip_addr_t.
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
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move the dns init including setting the dns servers from env vars to a
common function as other commands that support hostname lookups will
need this.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
[jf: add CMD_DNS conditional to support NET_LWIP && !CMD_DNS]
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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Call schedule() in net_lwip_rx() to service U-Boot tasks and
actions during packet rx.
As a cleanup also move sys_check_timeouts() here and remove it from the
functions that call net_lwip_rx().
This resolves the issue of an active watchdog resetting the board on
long network activities.
Suggested-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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Now that env_get_ip() has been removed, the include file <net.h> does
not need anything from <env.h>. Furthermore, include/env.h itself
includes other headers which can lead to longer indirect inclusion
paths. To prepare to remove <env.h> from <net.h> fix all of the
remaining places which had relied on this indirect inclusion to instead
include <env.h> directly.
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org> # net/lwip
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
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When the sandbox timer is available, use it. This allows skipping
time in the tests (sandbox_eth_skip_timeout()).
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Implement net_start_again() when NET_LWIP=y in a very similar way to
NET. This will be used in a future commit to determine if a failed
ping needs to be tried again on a different interface.
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
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The things that are done prior to executing a network command with
NET_LWIP are not consistent with what is done with NET. It impacts the
selection of the current device, and more precisely if the active device
is invalid NET would return an error while NET_LWIP would try to pick a
new device. This incorrect behavior was detected thanks to the eth_rotate
sandbox test (dm_test_eth_rotate()).
Fix it by re-using a sequence similar to what NET has in net_loop().
This piece of code is inserted in a function called net_lwip_eth_start()
renamed from net_lwip_eth_set_current().
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
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Note that this undoes the changes of commit cf6d4535cc4c ("x86:
emulation: Disable bloblist for now") as that was intended only for the
release due to time.
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When an ethernet driver fails to send a frame we print an error in lwIP.
But depending on how often that error is it might significantly delay
transmissions.
For example downloading a big file with the rpi4 spams the console with
'send error: -101', but removing the print makes the file download with
an average speed of ~8.5MiB/s since the packets are retransmitted.
So let's move it to a 'debug' in lwIP and expect ethernet drivers to handle
the failure if it's severe.
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
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Add Kconfig symbol LWIP_DEBUG_RXTX to dump the incoming and outgoing
packets when NET_LWIP=y.
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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Rename static function linkoutput() as net_lwip_tx() for consistency
with net_lwip_rx().
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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Move the initialization of the ethernet devices out of the new_netif()
function. Indeed, new_netif() accepts a struct device argument, which
is expected to be valid and active. The activation and selection of
this device are achieved by eth_init() (on first time the network
stack is used) and eth_set_current(). This is what takes care of the
ethrotate and ethact environment variables. Therefore, move these calls
to a new function: net_lwip_set_current(), and use it whenever a
net-lwip command is run.
This patch hopefully fixes the incorrect net-lwip behavior observed on
boards with multiple ethernet interfaces [1].
Tested on an i.MX8MPlus EVK equipped wih two ethernet ports. The dhcp
command succeeds whether the cable is plugged into the first or second
port.
[1] https://lists.denx.de/pipermail/u-boot/2025-January/576326.html
Reported-by: E Shattow <e@freeshell.de>
Tested-by: E Shattow <e@freeshell.de>
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
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The local variables ipstr, maskstr and gwstr in static function
get_udev_ipv4_info() cannot be pointers to read-only data, since
they may be written to in case the device index is > 0. Therefore
make them char arrays allocated on the stack.
Reported-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reported-by: Adriano Cordova <adrianox@gmail.com>
Link: https://lists.denx.de/pipermail/u-boot/2024-November/572066.html
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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Fix various code style issues in the lwIP code.
Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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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 <jerome.forissier@linaro.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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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 <jerome.forissier@linaro.org>
Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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