Commit graph

70474 commits

Author SHA1 Message Date
Peng Fan
846b77e7df imx: imx8mn_ddr4_evk: Use CONFIG_TARGET_IMX8MN_DDR4_EVK for DDR4 EVK board
use CONFIG_TARGET_IMX8MN_DDR4_EVK for DDR4 EVK board, we will use
CONFIG_TARGET_IMX8MN_EVK for LPDDR4 EVK board.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
2021-01-23 11:30:30 +01:00
Peng Fan
48b90f86c5 imx: imx8mp_evk: enable eth support
Add board code to configure the network interface
Add net defconfig

Signed-off-by: Peng Fan <peng.fan@nxp.com>
2021-01-23 11:30:30 +01:00
Tom Rini
184aa65041 Merge tag 'u-boot-rockchip-20210121' of https://gitlab.denx.de/u-boot/custodians/u-boot-rockchip
- New board: rk3328 NanoPi R2S board;
- Fix init voltage for some rk3399 boards;
- enable rng for rk3399 by default;
- set default to SPI bus 1 for SPI-flash for some board;
- add dwc PCIe controller driver on rockchip platform;
2021-01-21 07:39:47 -05:00
Shawn Lin
9ddc0787bd pci: Add Rockchip dwc based PCIe controller driver
Add Rockchip dwc based PCIe controller driver for rk356x platform.
Driver support Gen3 by operating as a Root complex.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2021-01-21 12:00:45 +08:00
Shawn Lin
6ec62b6ca6 phy: rockchip: Add Rockchip Synopsys PCIe 3.0 PHY
Add the Rockchip Synopsys based PCIe 3.0 PHY driver as
part of Generic PHY framework.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2021-01-21 12:00:45 +08:00
David Bauer
b821e0db46 rockchip: rk3328: Add support for FriendlyARM NanoPi R2S
This adds support for the NanoPi R2S from FriendlyArm.

Rockchip RK3328 SoC
1GB DDR4 RAM
Gigabit Ethernet (WAN)
Gigabit Ethernet (USB3) (LAN)
USB 2.0 Host Port
MicroSD slot
Reset button
WAN - LAN - SYS LED

Signed-off-by: David Bauer <mail@david-bauer.net>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2021-01-21 11:58:35 +08:00
Peter Robinson
a475bef534 configs: rk3399: enable rng on firefly/rock960/rockpro64
Enable the RNG on the Firefly, rock960 and RockPro64 devices
to enable KASLR on devices that support it.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Cc: Akash Gajjar <akash@openedev.com>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Kever Yang <kever.yang@rock-chips.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2021-01-21 11:56:21 +08:00
Peter Robinson
5972c57780 arm: dts: rockchip: rk3399: enable rng at the SoC level
The rng is embedded in the SoC so enable it in the device tree
universally, the use of it can be controlled by enabling/disabling
at the device config level.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Cc: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2021-01-21 11:55:59 +08:00
Kever Yang
09b053c970 rockchip: leez-rk3399: Provide init voltage
Add missing regulator-init-microvolt property to vdd_log regulator.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
2021-01-21 11:54:24 +08:00
Kever Yang
ec0f08c779 rockchip: firefly-rk3399: Provide init voltage
Add missing regulator-init-microvolt property to vdd_log regulator.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
2021-01-21 11:54:24 +08:00
Kever Yang
2a6eb3b8f0 rockchip: evb-rk3399: Provide init voltage
Add missing regulator-init-microvolt property to vdd_center regulator.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
2021-01-21 11:54:24 +08:00
Hugh Cole-Baker
a2ca3c6032 rockchip: puma-haikou: default to SPI bus 1 for SPI-flash
SPI flash on this machine is located on bus 1, default to using bus 1
for SPI flash and stop aliasing it to bus 0. Formerly the alias spi1
pointed to &spi5, use an alias spi5 for this instead.

Signed-off-by: Hugh Cole-Baker <sigmaris@gmail.com>
Suggested-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2021-01-21 11:53:36 +08:00
Hugh Cole-Baker
acc57ecf05 rockchip: rk3399-roc-pc: default to SPI bus 1 for SPI-flash
SPI flash on this board is located on bus 1, default to using bus 1 for
SPI flash on both rk3399-roc-pc and -mezzanine, and stop aliasing it to
bus 0.

Signed-off-by: Hugh Cole-Baker <sigmaris@gmail.com>
Suggested-by: Simon Glass <sjg@chromium.org>
Fixes: c4cea2bb ("rockchip: Enable building a SPI ROM image on bob")
Reviewed-by: Kever Yang<kever.yang@rock-chips.com>
2021-01-21 11:53:25 +08:00
Tom Rini
83433fdab4 Merge branch '2021-01-20-fs-fixes'
- Minor SquashFS, BTRFS ubifs fixes
2021-01-20 16:45:43 -05:00
Heinrich Schuchardt
81f562719e ubifs: do not decide upon uninitialized variable
Before 'if (err)' we have to initialize the variable otherwise we use a
random value from the stack.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 14:01:45 -05:00
Heinrich Schuchardt
3b00a6bafc fs: btrfs: simplify close_ctree_fs_info()
At the beginning of close_ctree_fs_info() the value 0 is assigned to err
and never changed before testing it.

Let's get rid of the superfluous variable.

Fixes: f06bfcf54d ("fs: btrfs: Crossport open_ctree_fs_info() from btrfs-progs")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Qu Wenruo <wqu@suse.com>
2021-01-20 14:01:45 -05:00
Campbell Suter
9dba07f143 Fix squashfs failing to load sparse files
SquashFS supports sprase blocks in files - that is, if a given block is
composed only of zeros, it's not written to the output file to save
space and it's on-disk length field is set to zero to indicate that.

Previously the squashfs driver did not recognise that, and would attempt
to read and decompress a zero-sized block, which obviously failed.

The following command may be used to create a file for testing:

cat <(dd if=/dev/urandom of=/dev/stdout bs=1M count=1) \
	<(dd if=/dev/zero of=/dev/stdout bs=1M count=1) \
	<(dd if=/dev/urandom of=/dev/stdout bs=1k count=200) >test_file

Signed-off-by: Campbell Suter <campbell@snapit.group>
2021-01-20 14:01:44 -05:00
Qu Wenruo
3b72612ad1 fs: btrfs: volumes: prevent overflow for multiplying
In __btrfs_map_block() we do a int * int and assign it to u64.
This is not safe as the result (int * int) is still evaluated as (int)
thus it can overflow.

Convert one of the multiplier to u64 to prevent such problem.

In real world, this should not cause problem as we have device number
limit thus it won't go beyond 4G for a single stripe.

But it's harder to teach coverity about all these hidden limits, so just
fix the possible overflow.

Reported-by: Coverity CID 312957
Reported-by: Coverity CID 312948
Signed-off-by: Qu Wenruo <wqu@suse.com>
2021-01-20 14:01:08 -05:00
Tom Rini
404bbc809d Pull request for UEFI sub-system for efi-2021-04-rc1-2
* Provide a test tool for initial RAM disk provided via load file2 protocol.
 * Make more items configurable to reduce code size:
   * Boot manager
   * EFI_DT_FIXUP_PROTOCOL
   * EFI_DEVICE_PATH_UTILITIES_PROTOCOL
 * Bug fixes
   * avoid EFI runtime symbols in global symbol table
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Merge tag 'efi-2021-04-rc1-2' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

Pull request for UEFI sub-system for efi-2021-04-rc1-2

* Provide a test tool for initial RAM disk provided via load file2 protocol.
* Make more items configurable to reduce code size:
  * Boot manager
  * EFI_DT_FIXUP_PROTOCOL
  * EFI_DEVICE_PATH_UTILITIES_PROTOCOL
* Bug fixes
  * avoid EFI runtime symbols in global symbol table
2021-01-20 10:49:23 -05:00
Tom Rini
63f2607bc8 Xilinx changes for v2021.04-v2
env:
 - Unlock redundant variable configuration for all
 
 xilinx:
 - Enable seps525 by default
 - Export bootseq via variable
 - Update board_fdt_blob_setup()
 
 mmc:
 - Xenon macro removal
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Merge tag 'xilinx-for-v2021.04-v2' of https://gitlab.denx.de/u-boot/custodians/u-boot-microblaze

Xilinx changes for v2021.04-v2

env:
- Unlock redundant variable configuration for all

xilinx:
- Enable seps525 by default
- Export bootseq via variable
- Update board_fdt_blob_setup()

mmc:
- Xenon macro removal
2021-01-20 10:49:05 -05:00
Michal Simek
4e3fc5efeb env: Remove all dependencies for SYS_REDUNDAND_ENVIRONMENT
CONFIG_SYS_REDUNDAND_ENVIRONMENT is changing in env_internal.h how u-boot
works with variables. struct environment_s has one byte flags property
which also affects ENV_SIZE macro.

I have reached the case where CONFIG_ENV_IS_NOWHERE is default setup
but custom scripts can be designed in a way that u-boot is asked to
import/export variables from/to file which can be in certain format.
That's why also for this configuration make sense to enable
CONFIG_SYS_REDUNDAND_ENVIRONMENT because it depends on environment file
format.

The patch is removing dependency on this configuration to support selecting
environment file format without any specific dependency where variables are
stored.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2021-01-20 08:34:53 +01:00
Michal Simek
a672b9871b xilinx: common: Do not touch CONFIG_XILINX_OF_BOARD_DTB_ADDR in SPL
This hook is used in full U-Boot that's why there is no reason to touch
this location from SPL. The hook was introduced for QEMU usage but none is
really running SPL on QEMU that's why it shouldn't break any usecase.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-01-20 08:34:53 +01:00
Michal Simek
506009fc10 xilinx: common: Change macro handling in board_fdt_blob_setup()
Remove ifdef logic which is handled by preprocessor and move it link time
optimization to get full compile code coverage.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-01-20 08:34:53 +01:00
Michal Simek
2784befbd7 xilinx: zynqmp: Save bootseq number for SD/EMMC boot modes
For systems which has both sdhci controllers enable it is worth to export
bootseq number for variables. Then the variable can be used in custom
scripts to tune logic for OS.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2021-01-20 08:34:53 +01:00
Michal Simek
b2e35a6f12 mmc: xenon_sdhci: Remove duplicated macros
There is no need to define the same macros in drivers.
All macros have been added by commit 17a42abb40 ("mmc: Define timing
macro's").

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
2021-01-20 08:34:53 +01:00
Michal Simek
7f2d57a297 arm64: zynqmp: Enable seps and related video configs
Enable this driver to get build and probe for our platform.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
2021-01-20 08:34:53 +01:00
Ilias Apalodimas
53e54bf50d efi_loader: Avoid emitting efi_var_buf to .GOT
Atish reports that on RISC-V, accessing the EFI variables causes
a kernel panic. An objdump of the file verifies that, since the
global pointer for efi_var_buf ends up in .GOT section which is
not mapped in virtual address space for Linux.

<snip of efi_var_mem_find>

0000000000000084 <efi_var_mem_find>:
  84:   715d                    addi    sp,sp,-80

* objdump -dr
0000000000000086 <.LCFI2>:
  86:   e0a2                    sd  s0,64(sp)
  88:   fc26                    sd  s1,56(sp)
  8a:   e486                    sd  ra,72(sp)
  8c:   f84a                    sd  s2,48(sp)
  8e:   f44e                    sd  s3,40(sp)
  90:   f052                    sd  s4,32(sp)
  92:   ec56                    sd  s5,24(sp)
  94:   00000497            auipc   s1,0x0
            94: R_RISCV_GOT_HI20    efi_var_buf
  98:   0004b483            ld  s1,0(s1) # 94 <.LCFI2+0xe>
            98: R_RISCV_PCREL_LO12_I    .L0
            98: R_RISCV_RELAX   *ABS*

* objdump -t
0000000000000084 g     F .text.efi_runtime  00000000000000b8 efi_var_mem_find

With the patch applied:

* objdump -dr
0000000000000086 <.LCFI2>:
  86:   e0a2                    sd  s0,64(sp)
  88:   fc26                    sd  s1,56(sp)
  8a:   e486                    sd  ra,72(sp)
  8c:   f84a                    sd  s2,48(sp)
  8e:   f44e                    sd  s3,40(sp)
  90:   f052                    sd  s4,32(sp)
  92:   ec56                    sd  s5,24(sp)
  94:   00000497            auipc   s1,0x0
            94: R_RISCV_PCREL_HI20  .LANCHOR0
            94: R_RISCV_RELAX   *ABS*
  98:   00048493            mv  s1,s1
            98: R_RISCV_PCREL_LO12_I    .L0
            98: R_RISCV_RELAX   *ABS*

* objdump -t
0000000000000008 l     O .data.efi_runtime  0000000000000008 efi_var_buf

On arm64 this works, because there's no .GOT entries for this
and everything is converted to relative references.

* objdump -dr (identical pre-post patch, only the new function shows up)
00000000000000b4 <efi_var_mem_find>:
  b4:   aa0003ee    mov x14, x0
  b8:   9000000a    adrp    x10, 0 <efi_var_mem_compare>
            b8: R_AARCH64_ADR_PREL_PG_HI21  .data.efi_runtime
  bc:   91000140    add x0, x10, #0x0
            bc: R_AARCH64_ADD_ABS_LO12_NC   .data.efi_runtime
  c0:   aa0103ed    mov x13, x1
  c4:   79400021    ldrh    w1, [x1]
  c8:   aa0203eb    mov x11, x2
  cc:   f9400400    ldr x0, [x0, #8]
  d0:   b940100c    ldr w12, [x0, #16]
  d4:   8b0c000c    add x12, x0, x12

So let's switch efi_var_buf to static and create a helper function for
anyone that needs to update it.

Fixes: e01aed47d6 ("efi_loader: Enable run-time variable support for tee based variables")
Reported-by: Atish Patra <atishp@atishpatra.org>
Tested-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
0a7e5165ec efi_loader: efi_size_in_pages() missing parentheses
Add parentheses around size to avoid possible operator precedence problems.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
d56013d37c efi_selftest: use CRLF as line endings in dtbdump
EFI applications must use CR LF as line endings.

Provide a print() function to reduce code size.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
65ab48d69d efi_selftest: provide initrddump test tool
Provide an UEFI application to save the initial RAM disk provided by U-Boot
via the Load File2 protocol.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
8644af7dc4 efi_selftest: don't compile dtbdump if GENERATE_ACPI_TABLE
If we are using ACPI tables instead of a device tree, we don't need the
dtbdump.efi test tool.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
b6f6080f56 efi_selftest: ask before overwriting in dtbdump.efi
Before overwriting an existing file ask the user.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
19ea5e66de efi_loader: remove EFI_UNICODE_COLLATION_PROTOCOL
In EFI 1.10 a version of the Unicode collation protocol using ISO 639-2
language codes existed. This protocol is not part of the UEFI specification
any longer. It was however required to run the UEFI Self Certification Test
(SCT) II, version 2.6, 2017. So we implemented it for the sole purpose of
running the SCT.

As the SCT does not need the protocol anymore it is time for removal.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
59593a52a3 efi_loader: EFI_DEVICE_PATH_UTILITIES_PROTOCOL configurable
Allow the EFI_DEVICE_PATH_UTILITIES_PROTOCOL to be disabled via
configuration.

On systems that are very tight on U-Boot image size we may want to disable
the protocol. As it is required to run the UEFI Shell enable it by default.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
4cb07d8d93 efi_loader: make EFI_DT_FIXUP_PROTOCOL configurable
Allow EFI_DT_FIXUP_PROTOCOL to be disabled via configuration.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
535c473e10 efi_loader: fixup protocol, avoid forward declaration
Avoid a forward declaration.

Add a missing function description.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:17:17 +01:00
Heinrich Schuchardt
ff2f532fad efi_loader: make the UEFI boot manager configurable
Some boards are very tight on the binary size. Booting via UEFI is possible
without using the boot manager.

Provide a configuration option to make the boot manager available.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-20 08:09:34 +01:00
Tom Rini
26e85bf77a Revert "net: eth-uclass: Change uclass driver name to ethernet"
This reverts commit 1231184caa.

While the change is fine in theory, a number of tests need to be updated
to match.

Signed-off-by: Tom Rini <trini@konsulko.com>
2021-01-19 15:35:00 -05:00
Tom Rini
9d13cd95f1 Merge branch '2021-01-19-networking-improvements'
- e1000, ftgmac100: Add support for getting the MAC
- General networking improvements
- dwc_eth_qos, ks8851 fixes
2021-01-19 14:46:45 -05:00
Heinrich Schuchardt
2363effb7a efi_loader: move load options to new module
Move all load options related functions to a new module. So that they can
be compiled independently.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-19 18:56:08 +01:00
David Wu
1231184caa net: eth-uclass: Change uclass driver name to ethernet
dev_read_alias_seq() used uc_drv->name compared to alias
stem string, Ethernet's alias stem uses "ethernet", which
does not match the eth-uclass driver name "eth", can not
get the correct index of ethernet alias namer. So it seems
change uclass driver name to match the alias stem is a more
reasonable way.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-01-19 09:15:02 -05:00
Marek Vasut
6f1e668d96 net: dwc_eth_qos: Pad descriptors to cacheline size
The DWMAC4 IP has the possibility to skip up to 7 AXI bus width size words
after the descriptor. Use this to pad the descriptors to cacheline size and
remove the need for noncached memory altogether. Moreover, this lets Tegra
use the generic cache flush / invalidate operations.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Patrice Chotard <patrice.chotard@foss.st.com>
2021-01-19 09:15:02 -05:00
Marek Vasut
dd70ff4815 net: ks8851: Reset internal RXFC count on bad packet
A sporadic condition occurs when the "bad packet" error is triggered
repeatedly, which results in "bad packet" messages scrolling on the
console during transfer. To avoid triggering this, reset the internal
RXFC count on the first occurance of the "bad packet", which forces
the code to re-read the RX packet count from the MAC, and prevents
any additional "bad packet" messages if there are no more packets in
the MAC. Also print better debug information if this condition occurs.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Eugen Hristev <eugen.hristev@microchip.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Tom Rini <trini@konsulko.com>
2021-01-19 09:15:02 -05:00
Matthias Brugger
ea707dc0aa net: Use NDRNG device in srand_mac()
When calling srand_mac we use a weak seed dependent on the
mac address. If present, use a RNG device instead to incerase entropy.

Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Torsten Duwe <duwe@suse.de>
2021-01-19 09:15:02 -05:00
Matthias Brugger
92fdad28cf lib: uuid: use RNG device if present
When calculating a random UUID we use a weak seed.
Use a RNG device if present to increase entropy.

Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Torsten Duwe <duwe@suse.de>
2021-01-19 09:15:02 -05:00
Hongwei Zhang
0be3d1fafb net: ftgmac100: Read and retain MAC address
Read and retain MAC address across flash and QEMU support.

Signed-off-by: Hongwei Zhang <hongweiz@ami.com>
2021-01-19 09:15:02 -05:00
Jorge Ramirez-Ortiz
c1ab738145 net: eth_legacy - fix build CMD_PCAP
Fix typo which would cause a build error.

Fixes: 3eaac6307d ("net: introduce packet capture support")

Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
2021-01-19 09:15:02 -05:00
Harm Berntsen
beb61e13b8 net: tftp: Fix incorrect tftp_next_ack on no OACK
When the tftp server did not send any OACK, the tftp_next_ack variable
was not set to the correct value . As the server was transmitting
blocks we generated a lot of 'Received unexpected block: $n, expected
$n+1' error messages. Depending on the timeout setting the transfer
could still complete though.

Signed-off-by: Harm Berntsen <harm.berntsen@nedap.com>
CC: Ramon Fried <rfried.dev@gmail.com>
Reviewed-By: Ramon Fried <rfried.dev@gmail.com>
2021-01-19 09:15:02 -05:00
David Rivshin
51723c5581 net: Do not respond to ICMP_ECHO_REQUEST if we do not have an IP address
While doing DHCP the interface IP is set to 0.0.0.0. This causes the
check in net.c on dst_ip to be effectively skipped, and all IP datagrams
are accepted up the IP stack. In the case of an ICMP_ECHO_REQUEST for the
matching MAC address (regardless of destination IP), the result is that
an ICMP_ECHO_REPLY is sent. The source address of the ICMP_ECHO_REPLY is
0.0.0.0, which is an illegal source address.

This can happen in common practice with the following sequence:
DHCP (U-Boot or OS) acquires IP address 10.0.0.1
System reboots
U-Boot starts DHCP and send DHCP DISCOVER
DHCP server decides to OFFER 10.0.0.1 again
  (perhaps because of existing lease or manual configuration)
DHCP server tries to PING 10.0.0.1 to see if anyone is squatting on it
DHCP server still has our MAC address in its ARP table for 10.0.0.1
U-Boot receives PING, and responds with an illegal source address
This may further result in a the DHCP server seeing the response as
  confirmation that someone is squatting on 10.0.0.1, and picking a
  new IP address from the pool to try again

Signed-off-by: David Rivshin <drivshin@allworx.com>
2021-01-19 09:15:02 -05:00
Ian Ray
3f8905ade2 net: e1000: implement eth_write_hwaddr for DM_ETH
Implement programming MAC address to the hardware also for device model
configuration.

Fixes: b565b18a29 ("board: ge: bx50v3: Enable DM for PCI and ethernet")
Signed-off-by: Ian Ray <ian.ray@ge.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2021-01-19 09:15:01 -05:00