[PATCH v11 00/29] Introduce the lwIP network stack
Ilias Apalodimas
ilias.apalodimas at linaro.org
Thu Oct 3 18:11:37 CEST 2024
On Thu, 3 Oct 2024 at 19:10, Jerome Forissier
<jerome.forissier at linaro.org> wrote:
>
>
>
> On 10/3/24 18:00, Ilias Apalodimas wrote:
> > Hi Jerome,
> >
> > I'll have a look, but there seems to be reviewed-by and acked-by tags missing?
> > Any chance you lost those during rebasing ?
>
> I only dropped your R-b from the MAINTAINERS patch because I changed it slightly.
> Now I see you Acked it so that's good :)
Ah thanks, yea I saw that was missing and assumed more would be
dropped. Ack is more appropriate in this case, so let's preserve that
Thanks
/Ilias
>
> --
> Jerome
>
> >
> > Thanks
> > /Ilias
> > On Thu, 3 Oct 2024 at 18:23, Jerome Forissier
> > <jerome.forissier at linaro.org> wrote:
> >>
> >> This is a rework of a patch series by Maxim Uvarov: "net/lwip: add lwip
> >> library for the network stack" [1]. The goal is to introduce the lwIP TCP/IP
> >> stack [2] [3] as an alternative to the current implementation in net/,
> >> selectable with Kconfig, and ultimately keep only lwIP if possible. Some
> >> reasons for doing so are:
> >> - Make the support of HTTPS in the wget command easier. Javier T. and
> >> Raymond M. (CC'd) have some additional lwIP and Mbed TLS patches to do
> >> so. With that it becomes possible to fetch and launch a distro installer
> >> such as Debian etc. using a secure, authenticated connection directly
> >> from the U-Boot shell. Several use cases:
> >> * Authentication: prevent MITM attack (third party replacing the
> >> binary with a different one)
> >> * Confidentiality: prevent third parties from grabbing a copy of the
> >> image as it is being downloaded
> >> * Allow connection to servers that do not support plain HTTP anymore
> >> (this is becoming more and more common on the Internet these days)
> >> - Possibly benefit from additional features implemented in lwIP
> >> - Less code to maintain in U-Boot
> >>
> >> Prior to applying this series, the lwIP stack needs to be added as a
> >> Git subtree with the following command:
> >>
> >> $ git subtree add --squash --prefix lib/lwip/lwip \
> >> https://github.com/lwip-tcpip/lwip.git STABLE-2_2_0_RELEASE
> >>
> >> Notes
> >>
> >> 1. A number of features are currently incompatible with NET_LWIP:
> >> DFU_TFTP, FASTBOOT, SPL_NET, ETH_SANDBOX, ETH_SANDBOX_RAW, DM_ETH. They
> >> all make assumptions on how the network stack is implemented and/or
> >> pull sybols that are not trivially exported from lwIP. Some interface
> >> rework may be needed.
> >>
> >> 2. Due to the above, and in order to provide some level of testing of the
> >> lwIP code in CI even when the legacy NET is the default, a new QEMU
> >> configuration is introduced (qemu_arm64_lwip_defconfig) which is
> >> based on qemu_arm64_defconfig with NET_LWIP and CMD_*_LWIP enabled.
> >> In addition to that, this series has some [TESTING] patches
> >> which make NET_LWIP the default.
> >>
> >> [1] https://lore.kernel.org/all/20231127125726.3735-1-maxim.uvarov@linaro.org/
> >> [2] https://www.nongnu.org/lwip/
> >> [3] https://en.wikipedia.org/wiki/LwIP
> >>
> >> Changes in v11:
> >>
> >> - Rebased onto next
> >> - "Miscellaneous fixes" removed (patches were merged in next). The
> >> series still begins with small fixes posted separately [1] [2] [3].
> >> - Add (some) support for CMD_PXE and therefore drop patch "[TESTING]
> >> configs: set CONFIG_NET=y when PXE is enabled". This is build-tested
> >> only and it is very likely that some work is needed to make it useful.
> >> For example, adding the code for DHCP option 209 to lwIP so that
> >> BOOTP_PXE_DHCP_OPTION can be supported.
> >> - SANDBOX is now supported, but with the dm eth and wget tests
> >> disabled.
> >> - Move eth_set_enable_bootdevs() declaration to net-common.h
> >> Fixes warning with snow_defconfig:
> >> test/test-main.c:310:17: warning: implicit declaration of function ‘eth_set_enable_bootdevs’ [....]
> >> - Do eth_init() and eth_init_rings() only once, and do not forget
> >> lwip_init()! Fixes TFTP stalls on TI K3 (reported by Tom R. and
> >> tested by Ilias A.)
> >> - Set MEM_ALIGNMENT to 8 in lib/lwip/u-boot/lwipopts.h. Fixes TFTP
> >> random crashes on TI K3 (Ilias A.)
> >> - net_lwip_rx(): call free_pkt() even when recv() has returned 0,
> >> as required by the driver model documentation (and imx8mp_evk). Fixes
> >> a regression introduced in v9. Goes together with patch [2].
> >> - Add "lwip: tftp: bind to TFTP port only when in server mode" to
> >> fix an issue with interrupted tftp commands (the tftp command hangs
> >> if it is interrupted with Ctrl-C and started again).
> >> - TFTP: fix uninitialized "ret" variable in do_tftpb(); print "Abort"
> >> on Ctrl-C.
> >> - MAINTAINERS: remove README and add sandbox ethernet driver to the
> >> list of maintained files.
> >> - AFAICT, CI should be all good except qemu_xtensa_dc233c which is
> >> broken when NET_LWIP=y (QEMU just hangs with no output). I could
> >> not find or build a suitable GDB binary to debug that.
> >>
> >> [1] https://patchwork.ozlabs.org/project/uboot/patch/20241002144845.1439316-1-jerome.forissier@linaro.org/
> >> [2] https://patchwork.ozlabs.org/project/uboot/patch/20240927142038.879037-1-jerome.forissier@linaro.org/
> >> [3] https://patchwork.ozlabs.org/project/uboot/patch/20241003142030.1610222-1-jerome.forissier@linaro.org/
> >>
> >> Changes in v10:
> >>
> >> - Rebase onto next
> >> - URL for lwIP changed in cover letter: using GitHub now since all
> >> tags have suddenly disappeared from the repository on gnu.org.
> >> - Post fixes as a separate series [1] or individual patches [2] [3]
> >> - Add "if NET_LWIP" to net/lwip/Kconfig to fix a kconfig warning
> >> when doing the full branch build with buildman ("[NEW]")
> >> - net/ is added to libs-y only when NET or NET_LWIP, not NO_NET
> >> - Apply review tags
> >>
> >> [1] http://patchwork.ozlabs.org/project/uboot/list/?series=422079
> >> https://lists.denx.de/pipermail/u-boot/2024-September/563904.html
> >> [2] http://patchwork.ozlabs.org/project/uboot/list/?series=421962
> >> [3] http://patchwork.ozlabs.org/project/uboot/list/?series=421959
> >>
> >> Changes in v9:
> >>
> >> - Rebased onto master, reordered commits to put some fixes that are not
> >> strictly related to lwIP first.
> >> - New commit "test/py: test_efi_loader: add missing dependency on
> >> cmd_tftpboot" (Tom R.)
> >> - test_efi_loader.py: add missing dependency on cmd_wget (Tom R.)
> >> - wget: fix divide by zero when transfer takes less than 1ms (Tom R.)
> >> - New commit "configs: use syntax CONFIG_FOO=n in tools-only_defconfig"
> >> (Tom R.)
> >> - Make TCP_WND configurable (via CONFIG_LWIP_TCP_WND) because a large
> >> value is needed for good performance especially with latency but
> >> transfers stall in QEMU (-net user) when the value is larger than a few
> >> KB (Anton A., offlist)
> >> - Added [TESTING] commits to run CI with NET_LWIP enabled by default
> >> except for SANDBOX and platforms that enable PXE, and fixed a number of
> >> issues:
> >> * coreboot_defconfig: 'implicit declaration' warnings on
> >> ip_checksum_ok() and compute_ip_checksum()
> >> * Fix EFI net tests (bootefi selftest) by adding missing
> >> push_packed() call to net_process_received_packet()
> >> * qemu_arm64: fix test_efi_loader.py failures (skip HTTP test
> >> by default since it needs a HTTP server; fix a bug in the dhcp
> >> command which would not set the "serverip" variable)
> >> * QEMU CI tests for r2dplus_i82557c, r2dplus_rtl8139:
> >> Fixed receive errors due to calling free_pkt() with a
> >> length of zero. r2dplus_tulip: fixed "dm_pci_phys_to_bus:
> >> invalid physical address" caused by too late eth_init_rings().
> >> With that the CI status is all GREEN:
> >> https://dev.azure.com/u-boot/u-boot/_build/results?buildId=9225&view=results
> >>
> >> Changes in v8:
> >>
> >> - Fix bootefi with tftp and wget. It would previously fail with an
> >> error message: "No UEFI binary known at 200000". Tested on Raspberry
> >> 3B+. Also fix the legacy wget. (Tom R.)
> >> - wget: add "Bytes transferred =" message and accept legacy syntax
> >> for better compatibility which also makes it easier to add a test to
> >> the test suite
> >> - wget: When no server name or address is supplied, use
> >> ${httpserverip} then ${serverip}.
> >> - wget: start the timer used for measuring throughput when the first
> >> data block is received. In other words: do not include DNS resolution
> >> and TCP connection time in measurement. It gives better numbers ;)
> >> but more importantly is how the legacy code works.
> >> - wget: handle non-200 result codes from the server as errors.
> >> - tftp: when no server name or ip is supplied, use ${tftpserverip}
> >> then fall back to ${serverip}.
> >> - New commit: "test/py: add HTTP (wget) test"
> >> - New commit: "net: wget: removed unused function wget_success()"
> >> - Change back all !CONFIG_IS_ENABLED(NO_NET) tests to
> >> (CONFIG_IS_ENABLED(NET) || CONFIG_IS_ENABLED(NET_LWIP)) since the
> >> NO_NET case is wrong when CONFIG_SPL_BUILD or CONFIG_TPL_BUILD is
> >> defined (Tom R.)
> >>
> >> Changes in v7:
> >>
> >> - Rebased onto master
> >> - Updated binary size comparisons in this cover letter. Note that
> >> the increase for imx8mp_evk_defconfig was wrong due to a configuration
> >> error.
> >>
> >> Changes in v6:
> >>
> >> - Rebased on next
> >> - "flash: prefix error codes with FL_"
> >> Update drivers/mtd/altera_qspi.c too (Tom R.)
> >> - "net: introduce alternative implementation as net-lwip/"
> >> Introduce a "Networking" top-level menu in the main Kconfig. Avoids
> >> having a lot of network-related symbols on the first screen of
> >> menuconfig. The "Networking stack" choice as well as the applicable
> >> symbols (depending on the selected choice) are now all inside this
> >> "Networking" menu. (Michal S.)
> >> For PROT_DHCP_LWIP and PROT_DNS_LWIP, use "select" PROT_UDP_LWIP
> >> rather than "depends on".
> >> Move NET_RANDOM_ETHADDR to the common ('if NET || NET_LWIP') block.
> >> Move SYS_RX_ETH_BUFFER out of 'if NET || NET_LWIP' since it is used
> >> unguarded in some code (e.g., am62x_beagleplay_r5) (Tom R.).
> >> - "net: split include/net.h into net{,-common,-legacy,-lwip}.h"
> >> Move net_random_ethaddr() to net-common.h.
> >> - "net: eth-uclass: add function eth_start_udev()"
> >> Fix typo and apply Tom R.'s R-b.
> >> - "net-lwip: add DHCP support and dhcp commmand"
> >> Convert !CONFIG_IS_ENABLED(NET) to
> >> CONFIG_IS_ENABLED(NO_NET) in board/xilinx/common/board.c
> >> to fix an issue with device having no MAC address (thanks Michal S.).
> >> Do the same at other places (icore_mx8mp.c, imx8mp_debix_model_a.c,
> >> board/ti/am335x/board.c, tiny-printf.c).
> >> Move CMD_MII and CMD_MDIO into 'if NET || NET_LWIP'.
> >> - "net-lwip: add TFTP support and tftpboot command":
> >> Fix help string.
> >> - "net: split cmd/net.c into cmd/net.c and cmd/net-common.c":
> >> Apply Ilias' R-b.
> >> - "net-lwip: add TFTP_BLOCKSIZE"
> >> Apply Ilias' R-b. I moved the TFTP_BLOCKSIZE Kconfig into this commit
> >> where it belongs (it was previously in "net" split ... net.h").
> >>
> >> Changes in v5:
> >>
> >> - Rebased on next
> >> - Refactor Kconfig options to avoid duplicates
> >> - Library functions use a more consistent naming (dhcp_loop(),
> >> ping_loop() etc.) and take a struct udevice * parameter (Heinrich S.)
> >> - Do not use net_process_receive_packet() for input anymore. Instead of
> >> calling eth_rx() which would invoke net_process_receive_packet(), we
> >> call a new net_lwip_rx(udev) function which invokes the device recv()
> >> and pushes the packets up the lwIP stack. Thus everything is tied to
> >> a udevice now. (Heinrich S.)
> >> - Add "configs: replace '# CONFIG_NET is not set' with CONFIG_NO_NET=y"
> >> (Tom R.)
> >> - tftp: unify display with legacy command: add throughput, 65 hashes per
> >> line, one every 10 blocks received (Tom R.)
> >> - Moved net-lwip/* to net/lwip/* (Simon G.)
> >> - Rename static function low_level_output() to linkoutput() since it is
> >> the name used in the lwIP netif struct.
> >> - Fixed off-by-one in parse_url() which could cause wget to fail when
> >> passed a URL with a host name (as opposed to a URL with an IP address).
> >> - Improved TFTP performance by adding support for the blksize option
> >> (patches "lwip: tftp: add support of blksize option to client" and
> >> "net-lwip: add TFTP_BLOCKSIZE) (Tom R.)
> >> - Add an optional port number to the tftp command for easier testing
> >> (syntax: tftp [[ip:[port:]]filename])
> >> - wget: display an "unsupported URI" error if uri is not http://
> >> (Jon H.)
> >> - Adjusted the lwIP TCP options in lib/lwip/u-boot/lwipopts.h for
> >> better performance, in particular TCP_WND.
> >> - Add "net: fec_mxc_init(): do not ignore return status of fec_open()"
> >> - Set the proper environment variables when DHCP succeeds (ipaddr%d
> >> etc.) and read the proper ones for the given device in new_netif(),
> >> allowing correct behavior when several adapters are available (tested
> >> on i.MX8M Plus).
> >> - Fix an alignment issue with outgoing packets (see the linkoutput()
> >> function). With that the i.MX8M Plus ENET1 interface works properly.
> >> (reported by Tim H.).
> >> - Add review tags
> >>
> >> Changes in v4:
> >>
> >> - Fixed the DHCP algorithm which was missing a sys_timeout() call in
> >> the "fine timer" callback. This should close the issue that Tom R.
> >> reported with his Raspberry Pi 3 (it does fix it on mine).
> >> - The DHCP exchange timeout is increased from 2 to 10 seconds
> >> - The DHCP exchange can be interrupted with Ctrl-C.
> >> - "net: introduce alternative implementation as net-lwip/": rework
> >> dependencies. A few symbols have 'depends on !NET_LWIP' and in addition
> >> 'NET_LWIP depends on !SANDBOX'. Sandbox, DSA and fastboot are
> >> unsupported, because they are deeply welded to the current stack.
> >> - All network commands (dns, ping, tftp and wget):
> >> * Get rid of global variables (Ilias A.)
> >> * Use printf() rather than log_info()
> >> - "net-lwip: add ping command": use packet count instead of
> >> timeout, fix code style (Ilias A.)
> >> - Add "net: split cmd/net.c into cmd/net.c and cmd/net-common.c"
> >> extracted from the wget patch (Ilias A.).
> >> - Add "net: split include/net.h into net{,-common,-legacy,-lwip}.h"
> >> (Ilias A.)
> >> - Add "flash: prefix error codes with FL_" which is required to
> >> avoid name clashes when splitting net.h
> >> - Reworked the initialization of the lwIP stack. One and only
> >> one network interface (struct netif) is added for the duration
> >> of the command that uses that interface. That's commit "net-lwip:
> >> add DHCP support and dhcp commmand".
> >> - Drop "test: dm: dsa, eth: disable tests when CONFIG_NET_LWIP=y",
> >> not needed now that NET_LWIP depend on !SANDBOX.
> >> - qemu_arm64_lwip_defconfig now enables CMD_DNS and CMD_WGET (so
> >> that all the supported network commands are available).
> >>
> >> Changes in v3:
> >>
> >> - Make NET_LWIP a Kconfig choice in patch "net: introduce alternative
> >> implementation as net-lwip/" (Tom R.)
> >> - Drop the patch introducing lwIP as a Git subtree and document the git
> >> command in the cover letter instead (Tom R.)
> >> - "net-lwip: add TFTP support and tftpboot command": use the same
> >> "Bytes transferred =" message as in the legacy implementation (Tom R.,
> >> Maxim U.)
> >> - Drop "test/py: net: add _lwip variants of dhcp, ping and tftpboot
> >> tests" which is not needed anymore.
> >> - Add missing kfree() calls in cmd/net-common.c and fix the parsing of
> >> decimal address in net-lwip/wget.c (patch "net-lwip: add wget command")
> >> (Maxim U.)
> >> - "net-lwip: add ping command": drop the ICMP payload (Ilias A.). Set
> >> the sequence number to zero when entering ping_loop().
> >>
> >> Changes in v2:
> >>
> >> ** Address comments from Ilias A.
> >>
> >> - "net-lwip: add wget command"
> >> Implement the wget_with_dns() function to do most of the wget work and
> >> call it from do_wget(). This allows to simplify patch "net-lwip: add
> >> support for EFI_HTTP_BOOT".
> >>
> >> - "net-lwip: import net command from cmd/net.c"
> >> Move a few functions from cmd/net.c to a new file cmd/net-common.c
> >> rather than duplicating then in cmd/net-lwip.c.
> >>
> >> - "net-lwip: add support for EFI_HTTP_BOOT"
> >> Since wget_with_dns() is now implemented in "net-lwip: add wget command",
> >> just enable the wget command when the lwIP stack is enabled and
> >> EFI_HTTP_BOOT is requested.
> >>
> >> ** Address comments from Tom R.
> >>
> >> - "net-lwip: add DHCP support and dhcp commmand",
> >> "net-lwip: add TFTP support and tftpboot command",
> >> "net-lwip: add ping command",
> >> "net-lwip: add dns command",
> >> "net-lwip: add wget command"
> >> Do not introduce new CMD_XXX_LWIP symbols and use existing CMD_XXX
> >> instead.
> >>
> >> - "configs: add qemu_arm64_lwip_defconfig"
> >> Use #include <configs/qemu_arm64_defconfig>.
> >>
> >> - "net-lwip: import lwIP library under lib/lwip"
> >> Patch removed and replaced by the introduction of a Git subtree:
> >> "Squashed 'lib/lwip/lwip/' content from commit 0a0452b2c3".
> >>
> >> Note that I have not yet addressed your comments on "test: dm: dsa,
> >> eth: disable tests when CONFIG_NET_LWIP=y"). I need some more time
> >> for that and I think running CI on this v2 will help better understand
> >> what is needed for v3.
> >>
> >> ** Miscellaneous improvements
> >>
> >> - "net: introduce alternative implementation as net-lwip/":
> >>
> >> * Make DFU_OVER_TFTP not DFU_TFTP incompatible with NET_LWIP. It seems
> >> quite natural to supplement "depends on NET" with "&& !NET_LWIP".
> >> * Make PROT_*_LWIP not visible by removing the Kconfig prompt.
> >>
> >>
> >> Jerome Forissier (28):
> >> net: recv(): return -EAGAIN instead of 0 when no cleanup is expected
> >> Make AVB_VERIFY depend on FASTBOOT
> >> linker_lists: set LINKER_LIST_ALIGN to 8 for CPU_MIPS64
> >> sandbox: add dummy driver ETH_SANDBOX_LWIP
> >> test: boot: fix bootdev_test_any for when DSA_SANDBOX is disabled
> >> test: boot: fix bootflow_cmd_label for when DSA_SANDBOX is disabled
> >> net: introduce alternative implementation as net-lwip/
> >> configs: replace '# CONFIG_NET is not set' with CONFIG_NO_NET=y
> >> net: split include/net.h into net{,-common,-legacy,-lwip}.h
> >> net: move copy_filename() to new file net/net-common.c
> >> net: eth-uclass: add function eth_start_udev()
> >> net-lwip: build lwIP
> >> net-lwip: add DHCP support and dhcp commmand
> >> lwip: tftp: bind to TFTP port only when in server mode
> >> net-lwip: add TFTP support and tftpboot command
> >> net-lwip: add ping command
> >> net-lwip: add dns command
> >> net: split cmd/net.c into cmd/net.c and cmd/net-common.c
> >> net-lwip: add wget command
> >> cmd: bdinfo: enable -e when CONFIG_CMD_NET_LWIP=y
> >> configs: add qemu_arm64_lwip_defconfig
> >> lwip: tftp: add support of blksize option to client
> >> net-lwip: add TFTP_BLOCKSIZE
> >> CI: add qemu_arm64_lwip to the test matrix
> >> MAINTAINERS: net-lwip: add myself as a maintainer
> >> configs: use syntax CONFIG_FOO=n in tools-only_defconfig
> >> [TESTING] configs: set CONFIG_NET=y for FTGMAC100
> >> [TESTING] Kconfig: enable NET_LWIP by default
> >>
> >> Jonathan Humphreys (1):
> >> net-lwip: lwIP wget supports user defined port in the uri, so allow
> >> it.
> >>
> >> .azure-pipelines.yml | 7 +
> >> Kconfig | 29 +
> >> MAINTAINERS | 11 +
> >> Makefile | 6 +-
> >> arch/Kconfig | 2 +-
> >> board/engicam/imx8mp/icore_mx8mp.c | 2 +-
> >> .../imx8mp_debix_model_a.c | 2 +-
> >> board/ti/am335x/board.c | 3 +-
> >> board/xilinx/common/board.c | 3 +-
> >> boot/Kconfig | 4 +-
> >> cmd/Kconfig | 140 +--
> >> cmd/Makefile | 9 +-
> >> cmd/bdinfo.c | 5 +-
> >> cmd/elf.c | 2 +-
> >> cmd/net-common.c | 109 ++
> >> cmd/net-lwip.c | 45 +
> >> cmd/net.c | 115 ---
> >> common/Kconfig | 3 +-
> >> common/board_r.c | 4 +-
> >> common/spl/Kconfig | 1 +
> >> common/usb_kbd.c | 2 +-
> >> configs/LicheePi_Zero_defconfig | 2 +-
> >> configs/M5249EVB_defconfig | 2 +-
> >> configs/am335x_pdu001_defconfig | 2 +-
> >> configs/am62ax_evm_r5_defconfig | 2 +-
> >> configs/am62px_evm_r5_defconfig | 2 +-
> >> configs/am62x_beagleplay_r5_defconfig | 2 +-
> >> configs/amcore_defconfig | 2 +-
> >> configs/amd_versal2_mini_defconfig | 2 +-
> >> configs/amd_versal2_mini_emmc_defconfig | 2 +-
> >> configs/amd_versal2_mini_ospi_defconfig | 2 +-
> >> configs/amd_versal2_mini_qspi_defconfig | 2 +-
> >> configs/anbernic-rgxx3-rk3566_defconfig | 2 +-
> >> configs/ap143_defconfig | 2 +-
> >> configs/ap152_defconfig | 2 +-
> >> configs/apple_m1_defconfig | 2 +-
> >> configs/astro_mcf5373l_defconfig | 2 +-
> >> configs/at91sam9rlek_dataflash_defconfig | 2 +-
> >> configs/at91sam9rlek_mmc_defconfig | 2 +-
> >> configs/at91sam9rlek_nandflash_defconfig | 2 +-
> >> configs/bcm7260_defconfig | 2 +-
> >> configs/bcm7445_defconfig | 2 +-
> >> configs/bcm968380gerg_ram_defconfig | 2 +-
> >> configs/bcmns_defconfig | 2 +-
> >> configs/chromebook_samus_tpl_defconfig | 2 +-
> >> configs/cortina_presidio-asic-base_defconfig | 2 +-
> >> configs/cortina_presidio-asic-pnand_defconfig | 2 +-
> >> configs/durian_defconfig | 2 +-
> >> configs/e850-96_defconfig | 2 +-
> >> configs/ea-lpc3250devkitv2_defconfig | 2 +-
> >> configs/efi-x86_app32_defconfig | 2 +-
> >> configs/efi-x86_app64_defconfig | 2 +-
> >> configs/emsdp_defconfig | 2 +-
> >> configs/evb-ast2500_defconfig | 1 +
> >> configs/evb-ast2600_defconfig | 1 +
> >> configs/evb-px5_defconfig | 2 +-
> >> configs/generic-rk3568_defconfig | 2 +-
> >> configs/generic-rk3588_defconfig | 2 +-
> >> configs/hc2910_2aghd05_defconfig | 2 +-
> >> configs/igep00x0_defconfig | 2 +-
> >> configs/imx6q_bosch_acc_defconfig | 2 +-
> >> configs/imx6ulz_smm_m2_defconfig | 2 +-
> >> configs/iot_devkit_defconfig | 2 +-
> >> configs/j722s_evm_r5_defconfig | 2 +-
> >> configs/legoev3_defconfig | 2 +-
> >> configs/mk808_defconfig | 2 +-
> >> configs/mx23evk_defconfig | 2 +-
> >> configs/mx28evk_defconfig | 2 +-
> >> configs/mx6memcal_defconfig | 2 +-
> >> configs/mx6ulz_14x14_evk_defconfig | 2 +-
> >> configs/mx7ulp_com_defconfig | 2 +-
> >> configs/mx7ulp_evk_defconfig | 2 +-
> >> configs/mx7ulp_evk_plugin_defconfig | 2 +-
> >> configs/netgear_cg3100d_ram_defconfig | 2 +-
> >> configs/nsim_700_defconfig | 2 +-
> >> configs/nsim_700be_defconfig | 2 +-
> >> configs/nsim_hs38be_defconfig | 2 +-
> >> configs/openpiton_riscv64_defconfig | 2 +-
> >> configs/openpiton_riscv64_spl_defconfig | 2 +-
> >> configs/origen_defconfig | 2 +-
> >> configs/pe2201_defconfig | 2 +-
> >> configs/pinecube_defconfig | 2 +-
> >> configs/pm9261_defconfig | 2 +-
> >> configs/qemu_arm64_lwip_defconfig | 9 +
> >> configs/s5p4418_nanopi2_defconfig | 2 +-
> >> configs/s5p_goni_defconfig | 2 +-
> >> configs/s5pc210_universal_defconfig | 2 +-
> >> configs/sama5d27_giantboard_defconfig | 2 +-
> >> configs/sama5d29_curiosity_mmc1_defconfig | 2 +-
> >> configs/sama5d29_curiosity_mmc_defconfig | 2 +-
> >> .../sama5d29_curiosity_qspiflash_defconfig | 2 +-
> >> configs/sama7g54_curiosity_mmc_defconfig | 2 +-
> >> .../sama7g54_curiosity_nandflash_defconfig | 2 +-
> >> .../sama7g54_curiosity_qspiflash_defconfig | 2 +-
> >> configs/sipeed_maix_bitm_defconfig | 2 +-
> >> configs/sipeed_maix_smode_defconfig | 2 +-
> >> configs/stemmy_defconfig | 2 +-
> >> configs/stm32f429-discovery_defconfig | 2 +-
> >> configs/stm32f429-evaluation_defconfig | 2 +-
> >> configs/stm32f469-discovery_defconfig | 2 +-
> >> configs/stm32h743-disco_defconfig | 2 +-
> >> configs/stm32h743-eval_defconfig | 2 +-
> >> configs/stm32h750-art-pi_defconfig | 2 +-
> >> configs/stm32mp25_defconfig | 2 +-
> >> configs/stmark2_defconfig | 2 +-
> >> configs/th1520_lpi4a_defconfig | 2 +-
> >> configs/thunderx_88xx_defconfig | 2 +-
> >> configs/tools-only_defconfig | 34 +-
> >> configs/topic_miami_defconfig | 2 +-
> >> configs/topic_miamilite_defconfig | 2 +-
> >> configs/topic_miamiplus_defconfig | 2 +-
> >> configs/total_compute_defconfig | 2 +-
> >> configs/trats2_defconfig | 2 +-
> >> configs/trats_defconfig | 2 +-
> >> configs/xenguest_arm64_defconfig | 2 +-
> >> configs/xenguest_arm64_virtio_defconfig | 2 +-
> >> configs/xilinx_versal_mini_defconfig | 2 +-
> >> configs/xilinx_versal_mini_emmc0_defconfig | 2 +-
> >> configs/xilinx_versal_mini_emmc1_defconfig | 2 +-
> >> configs/xilinx_versal_mini_ospi_defconfig | 2 +-
> >> configs/xilinx_versal_mini_qspi_defconfig | 2 +-
> >> configs/xilinx_versal_net_mini_defconfig | 2 +-
> >> configs/xilinx_versal_net_mini_emmc_defconfig | 2 +-
> >> configs/xilinx_versal_net_mini_ospi_defconfig | 2 +-
> >> configs/xilinx_versal_net_mini_qspi_defconfig | 2 +-
> >> configs/xilinx_zynqmp_mini_defconfig | 2 +-
> >> configs/xilinx_zynqmp_mini_emmc0_defconfig | 2 +-
> >> configs/xilinx_zynqmp_mini_emmc1_defconfig | 2 +-
> >> configs/xilinx_zynqmp_mini_nand_defconfig | 2 +-
> >> .../xilinx_zynqmp_mini_nand_single_defconfig | 2 +-
> >> configs/xilinx_zynqmp_mini_qspi_defconfig | 2 +-
> >> configs/zynq_cse_nand_defconfig | 2 +-
> >> configs/zynq_cse_nor_defconfig | 2 +-
> >> configs/zynq_cse_qspi_defconfig | 2 +-
> >> drivers/dfu/Kconfig | 1 +
> >> drivers/fastboot/Kconfig | 1 +
> >> drivers/net/Kconfig | 16 +-
> >> drivers/net/Makefile | 1 +
> >> drivers/net/eepro100.c | 2 +-
> >> drivers/net/phy/Kconfig | 2 +-
> >> drivers/net/rtl8139.c | 2 +-
> >> drivers/net/sandbox-lwip.c | 85 ++
> >> drivers/usb/gadget/Kconfig | 2 +-
> >> include/net-common.h | 509 ++++++++++
> >> include/net-legacy.h | 541 ++++++++++
> >> include/net-lwip.h | 41 +
> >> include/net.h | 943 +-----------------
> >> lib/Makefile | 2 +
> >> lib/binman.c | 1 +
> >> lib/lwip/Makefile | 55 +
> >> lib/lwip/lwip/src/apps/tftp/tftp.c | 104 +-
> >> .../lwip/src/include/lwip/apps/tftp_client.h | 1 +
> >> lib/lwip/u-boot/arch/cc.h | 45 +
> >> lib/lwip/u-boot/arch/sys_arch.h | 0
> >> lib/lwip/u-boot/limits.h | 0
> >> lib/lwip/u-boot/lwipopts.h | 157 +++
> >> lib/tiny-printf.c | 3 +-
> >> net/Kconfig | 81 +-
> >> net/Makefile | 20 +-
> >> net/eth-uclass.c | 38 +-
> >> net/lwip/Kconfig | 49 +
> >> net/lwip/Makefile | 8 +
> >> net/lwip/dhcp.c | 136 +++
> >> net/lwip/dns.c | 127 +++
> >> net/lwip/eth_internal.h | 35 +
> >> net/lwip/net-lwip.c | 307 ++++++
> >> net/lwip/ping.c | 177 ++++
> >> net/lwip/tftp.c | 290 ++++++
> >> net/lwip/wget.c | 357 +++++++
> >> net/net-common.c | 13 +
> >> net/net.c | 12 -
> >> test/boot/bootdev.c | 11 +-
> >> test/boot/bootflow.c | 7 +-
> >> test/cmd/Makefile | 2 +
> >> test/dm/Makefile | 2 +
> >> 175 files changed, 3607 insertions(+), 1346 deletions(-)
> >> create mode 100644 cmd/net-common.c
> >> create mode 100644 cmd/net-lwip.c
> >> create mode 100644 configs/qemu_arm64_lwip_defconfig
> >> create mode 100644 drivers/net/sandbox-lwip.c
> >> create mode 100644 include/net-common.h
> >> create mode 100644 include/net-legacy.h
> >> create mode 100644 include/net-lwip.h
> >> create mode 100644 lib/lwip/Makefile
> >> create mode 100644 lib/lwip/u-boot/arch/cc.h
> >> create mode 100644 lib/lwip/u-boot/arch/sys_arch.h
> >> create mode 100644 lib/lwip/u-boot/limits.h
> >> create mode 100644 lib/lwip/u-boot/lwipopts.h
> >> create mode 100644 net/lwip/Kconfig
> >> create mode 100644 net/lwip/Makefile
> >> create mode 100644 net/lwip/dhcp.c
> >> create mode 100644 net/lwip/dns.c
> >> create mode 100644 net/lwip/eth_internal.h
> >> create mode 100644 net/lwip/net-lwip.c
> >> create mode 100644 net/lwip/ping.c
> >> create mode 100644 net/lwip/tftp.c
> >> create mode 100644 net/lwip/wget.c
> >> create mode 100644 net/net-common.c
> >>
> >> --
> >> 2.40.1
> >>
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