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From: Jerome Forissier <jerome.forissier@linaro.org>
To: u-boot@lists.denx.de
Cc: Ilias Apalodimas <ilias.apalodimas@linaro.org>,
Javier Tia <javier.tia@linaro.org>, Maxim Uvarov <muvarov@gmail.com>,
Jerome Forissier <jerome.forissier@linaro.org>
Subject: [PATCH 00/15] Introduce the lwIP network stack
Date: Wed, 22 May 2024 18:00:00 +0200
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|
| Series |
Introduce the lwIP network stack
|
expand
|
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. (CC'd) has 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. directly from the U-Boot shell. - Possibly benefit from additional features implemented in lwIP - Less code to maintain in U-Boot The first patch introduces a new Kconfig symbol: NET_LWIP, which selects the lwIP implementation instead of the current one (NET). Contrary to the approach chosen by Maxim in [1], NET_LWIP and NET cannot be enabled simultaneously. The rationale is we want to start from a clean state and not pull potentially duplicated functionality from both stacks. Note however that a few files are still built in net/, they are the ones related to ethernet device management and the ethernet bootflow. The second patch imports the lwIP code under lib/lwip. There is no change made to the code itself so upgrading to newer versions should be trivial. The code could be imported as a Git subtree if that's preferred. The subsequent patches implement various network-oriented commands and features: dhcp, dns, ping, tftpboot, wget. The commands have their own Kconfig symbol suffixed with _LWIP. For example CMD_PING_LWIP is the equivalent of CMD_PING but using the lwIP stack. Again this is meant to avoid pulling any unwanted code. NET_LWIP is not enabled by default because it lacks functionality compared to NET and many CI tests would fail to run or even build. Some tests (dm dsa/eth) are disabled when NET_LWIP is selected because they make strong assumptions on how the network stack is implemented and how the packet flow occurs. For example, an ARP exchange is expected when an ICMP packet goes out, but with lwIP no exchange will occur if the host IP is already in the the ARP cache. Due to the above and in order to provide some level of testing, a new QEMU configuration is introduced (qemu_arm64_lwip_defconfig) which is the same as qemu_arm64_lwip_defconfig but with NET_LWIP and CMD_*_LWIP enabled. Tests are added to test/py/tests/test_net.py for that configuration. The series passes the CI tests on GitHub [4]. Regarding the size of the U-Boot binary, I compared various builds using the command: linux/scripts/bloat-o-meter A/u-boot B/u-boot | \ grep -E "(add/remove|Total:)" - Comparing default configs (some features that are enabled by default when lwIP is not used but not supported with lwIP are disabled manually) (A) master branch, qemu_arm64_defconfig BOOTP_PXE=n CMD_MII=n DFU_TFTP=n (B) this series, qemu_arm64_lwip_defconfig add/remove: 167/161 grow/shrink: 5/11 up/down: 22335/-19971 (2364) Total: Before=811018, After=813382, chg +0.29% - With all the supported network commands enabled (dhcp + dns + ping + tftpboot + wget) (A) master branch, qemu_arm64_defconfig BOOTP_PXE=n CMD_MII=n DFU_TFTP=n CMD_DNS=y CMD_WGET=y (B) this series, qemu_arm64_lwip_defconfig CMD_DNS_LWIP=y CMD_WGET_LWIP=y add/remove: 303/218 grow/shrink: 8/11 up/down: 48655/-26686 (21969) Total: Before=818017, After=839986, chg +2.69% [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 [4] https://github.com/u-boot/u-boot/pull/531 CC: Javier Tia <javier.tia@linaro.org> Jerome Forissier (15): net: introduce alternative implementation as net-lwip/ net-lwip: import lwIP library under lib/lwip 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 net-lwip: import net command from cmd/net.c net-lwip: add support for EFI_HTTP_BOOT test: dm: dsa, eth: disable tests when CONFIG_NET_LWIP=y cmd: bdinfo: enable -e when CONFIG_CMD_NET_LWIP=y configs: add qemu_arm64_lwip_defconfig test/py: net: add _lwip variants of dhcp, ping and tftpboot tests MAINTAINERS: net-lwip: add myself as a maintainer CI: add qemu_arm64_lwip to the test matrix .azure-pipelines.yml | 7 + Kconfig | 2 + MAINTAINERS | 11 + Makefile | 3 +- boot/Kconfig | 3 + boot/bootmeth_efi.c | 3 +- cmd/Kconfig | 44 + cmd/Makefile | 4 + cmd/bdinfo.c | 5 +- cmd/efidebug.c | 8 +- cmd/net-lwip.c | 143 + common/Kconfig | 2 +- common/board_r.c | 4 +- common/spl/Kconfig | 1 + configs/qemu_arm64_lwip_defconfig | 70 + drivers/dfu/Kconfig | 4 +- drivers/fastboot/Kconfig | 4 +- drivers/net/Kconfig | 2 +- drivers/net/phy/Kconfig | 2 +- drivers/usb/gadget/Kconfig | 2 +- include/config_distro_bootcmd.h | 2 +- include/net-lwip.h | 140 + include/net.h | 2 +- lib/Makefile | 2 + lib/efi_loader/Kconfig | 5 +- lib/lwip/Makefile | 57 + lib/lwip/README | 6 + lib/lwip/api/api_lib.c | 1367 ++++++ lib/lwip/api/api_msg.c | 2177 +++++++++ lib/lwip/api/err.c | 115 + lib/lwip/api/if_api.c | 102 + lib/lwip/api/netbuf.c | 250 + lib/lwip/api/netdb.c | 422 ++ lib/lwip/api/netifapi.c | 380 ++ lib/lwip/api/sockets.c | 4205 +++++++++++++++++ lib/lwip/api/tcpip.c | 706 +++ lib/lwip/apps/http/http_client.c | 911 ++++ lib/lwip/apps/tftp/tftp.c | 548 +++ lib/lwip/core/altcp.c | 717 +++ lib/lwip/core/altcp_alloc.c | 87 + lib/lwip/core/altcp_tcp.c | 578 +++ lib/lwip/core/def.c | 263 ++ lib/lwip/core/dns.c | 1657 +++++++ lib/lwip/core/inet_chksum.c | 608 +++ lib/lwip/core/init.c | 387 ++ lib/lwip/core/ip.c | 167 + lib/lwip/core/ipv4/acd.c | 557 +++ lib/lwip/core/ipv4/autoip.c | 379 ++ lib/lwip/core/ipv4/dhcp.c | 1999 ++++++++ lib/lwip/core/ipv4/etharp.c | 1251 +++++ lib/lwip/core/ipv4/icmp.c | 407 ++ lib/lwip/core/ipv4/igmp.c | 801 ++++ lib/lwip/core/ipv4/ip4.c | 1166 +++++ lib/lwip/core/ipv4/ip4_addr.c | 323 ++ lib/lwip/core/ipv4/ip4_frag.c | 894 ++++ lib/lwip/core/ipv6/dhcp6.c | 821 ++++ lib/lwip/core/ipv6/ethip6.c | 123 + lib/lwip/core/ipv6/icmp6.c | 425 ++ lib/lwip/core/ipv6/inet6.c | 53 + lib/lwip/core/ipv6/ip6.c | 1494 ++++++ lib/lwip/core/ipv6/ip6_addr.c | 355 ++ lib/lwip/core/ipv6/ip6_frag.c | 862 ++++ lib/lwip/core/ipv6/mld6.c | 626 +++ lib/lwip/core/ipv6/nd6.c | 2474 ++++++++++ lib/lwip/core/mem.c | 1017 ++++ lib/lwip/core/memp.c | 447 ++ lib/lwip/core/netif.c | 1855 ++++++++ lib/lwip/core/pbuf.c | 1545 ++++++ lib/lwip/core/raw.c | 673 +++ lib/lwip/core/stats.c | 168 + lib/lwip/core/sys.c | 148 + lib/lwip/core/tcp.c | 2696 +++++++++++ lib/lwip/core/tcp_in.c | 2184 +++++++++ lib/lwip/core/tcp_out.c | 2257 +++++++++ lib/lwip/core/timeouts.c | 451 ++ lib/lwip/core/udp.c | 1321 ++++++ lib/lwip/include/compat/posix/arpa/inet.h | 33 + lib/lwip/include/compat/posix/net/if.h | 36 + lib/lwip/include/compat/posix/netdb.h | 33 + lib/lwip/include/compat/posix/sys/socket.h | 33 + lib/lwip/include/compat/stdc/errno.h | 33 + lib/lwip/include/lwip/acd.h | 109 + lib/lwip/include/lwip/altcp.h | 207 + lib/lwip/include/lwip/altcp_tcp.h | 72 + lib/lwip/include/lwip/altcp_tls.h | 196 + lib/lwip/include/lwip/api.h | 434 ++ lib/lwip/include/lwip/apps/FILES | 2 + .../include/lwip/apps/altcp_proxyconnect.h | 79 + .../lwip/apps/altcp_tls_mbedtls_opts.h | 111 + lib/lwip/include/lwip/apps/fs.h | 139 + lib/lwip/include/lwip/apps/http_client.h | 160 + lib/lwip/include/lwip/apps/httpd.h | 256 + lib/lwip/include/lwip/apps/httpd_opts.h | 416 ++ lib/lwip/include/lwip/apps/lwiperf.h | 109 + lib/lwip/include/lwip/apps/mdns.h | 154 + lib/lwip/include/lwip/apps/mdns_domain.h | 80 + lib/lwip/include/lwip/apps/mdns_opts.h | 121 + lib/lwip/include/lwip/apps/mdns_out.h | 138 + lib/lwip/include/lwip/apps/mdns_priv.h | 237 + lib/lwip/include/lwip/apps/mqtt.h | 205 + lib/lwip/include/lwip/apps/mqtt_opts.h | 103 + lib/lwip/include/lwip/apps/mqtt_priv.h | 104 + lib/lwip/include/lwip/apps/netbiosns.h | 51 + lib/lwip/include/lwip/apps/netbiosns_opts.h | 66 + lib/lwip/include/lwip/apps/smtp.h | 128 + lib/lwip/include/lwip/apps/smtp_opts.h | 80 + lib/lwip/include/lwip/apps/snmp.h | 145 + lib/lwip/include/lwip/apps/snmp_core.h | 377 ++ lib/lwip/include/lwip/apps/snmp_mib2.h | 78 + lib/lwip/include/lwip/apps/snmp_opts.h | 297 ++ lib/lwip/include/lwip/apps/snmp_scalar.h | 113 + .../include/lwip/apps/snmp_snmpv2_framework.h | 32 + lib/lwip/include/lwip/apps/snmp_snmpv2_usm.h | 24 + lib/lwip/include/lwip/apps/snmp_table.h | 134 + lib/lwip/include/lwip/apps/snmp_threadsync.h | 114 + lib/lwip/include/lwip/apps/snmpv3.h | 114 + lib/lwip/include/lwip/apps/sntp.h | 81 + lib/lwip/include/lwip/apps/sntp_opts.h | 215 + lib/lwip/include/lwip/apps/tftp_client.h | 50 + lib/lwip/include/lwip/apps/tftp_common.h | 108 + lib/lwip/include/lwip/apps/tftp_opts.h | 106 + lib/lwip/include/lwip/apps/tftp_server.h | 42 + lib/lwip/include/lwip/arch.h | 402 ++ lib/lwip/include/lwip/autoip.h | 90 + lib/lwip/include/lwip/debug.h | 161 + lib/lwip/include/lwip/def.h | 156 + lib/lwip/include/lwip/dhcp.h | 155 + lib/lwip/include/lwip/dhcp6.h | 104 + lib/lwip/include/lwip/dns.h | 131 + lib/lwip/include/lwip/err.h | 117 + lib/lwip/include/lwip/errno.h | 198 + lib/lwip/include/lwip/etharp.h | 110 + lib/lwip/include/lwip/ethip6.h | 68 + lib/lwip/include/lwip/icmp.h | 110 + lib/lwip/include/lwip/icmp6.h | 72 + lib/lwip/include/lwip/if_api.h | 70 + lib/lwip/include/lwip/igmp.h | 115 + lib/lwip/include/lwip/inet.h | 188 + lib/lwip/include/lwip/inet_chksum.h | 104 + lib/lwip/include/lwip/init.h | 100 + lib/lwip/include/lwip/init.h.cmake.in | 100 + lib/lwip/include/lwip/ip.h | 339 ++ lib/lwip/include/lwip/ip4.h | 109 + lib/lwip/include/lwip/ip4_addr.h | 225 + lib/lwip/include/lwip/ip4_frag.h | 100 + lib/lwip/include/lwip/ip6.h | 93 + lib/lwip/include/lwip/ip6_addr.h | 372 ++ lib/lwip/include/lwip/ip6_frag.h | 144 + lib/lwip/include/lwip/ip6_zone.h | 306 ++ lib/lwip/include/lwip/ip_addr.h | 468 ++ lib/lwip/include/lwip/mem.h | 82 + lib/lwip/include/lwip/memp.h | 155 + lib/lwip/include/lwip/mld6.h | 99 + lib/lwip/include/lwip/nd6.h | 90 + lib/lwip/include/lwip/netbuf.h | 116 + lib/lwip/include/lwip/netdb.h | 150 + lib/lwip/include/lwip/netif.h | 698 +++ lib/lwip/include/lwip/netifapi.h | 161 + lib/lwip/include/lwip/opt.h | 3595 ++++++++++++++ lib/lwip/include/lwip/pbuf.h | 326 ++ lib/lwip/include/lwip/priv/altcp_priv.h | 159 + lib/lwip/include/lwip/priv/api_msg.h | 272 ++ lib/lwip/include/lwip/priv/mem_priv.h | 84 + lib/lwip/include/lwip/priv/memp_priv.h | 161 + lib/lwip/include/lwip/priv/memp_std.h | 153 + lib/lwip/include/lwip/priv/nd6_priv.h | 143 + lib/lwip/include/lwip/priv/raw_priv.h | 69 + lib/lwip/include/lwip/priv/sockets_priv.h | 175 + lib/lwip/include/lwip/priv/tcp_priv.h | 523 ++ lib/lwip/include/lwip/priv/tcpip_priv.h | 176 + lib/lwip/include/lwip/prot/acd.h | 91 + lib/lwip/include/lwip/prot/autoip.h | 65 + lib/lwip/include/lwip/prot/dhcp.h | 178 + lib/lwip/include/lwip/prot/dhcp6.h | 138 + lib/lwip/include/lwip/prot/dns.h | 140 + lib/lwip/include/lwip/prot/etharp.h | 114 + lib/lwip/include/lwip/prot/ethernet.h | 127 + lib/lwip/include/lwip/prot/iana.h | 97 + lib/lwip/include/lwip/prot/icmp.h | 105 + lib/lwip/include/lwip/prot/icmp6.h | 172 + lib/lwip/include/lwip/prot/ieee.h | 91 + lib/lwip/include/lwip/prot/igmp.h | 90 + lib/lwip/include/lwip/prot/ip.h | 59 + lib/lwip/include/lwip/prot/ip4.h | 131 + lib/lwip/include/lwip/prot/ip6.h | 235 + lib/lwip/include/lwip/prot/mld6.h | 71 + lib/lwip/include/lwip/prot/nd6.h | 274 ++ lib/lwip/include/lwip/prot/tcp.h | 100 + lib/lwip/include/lwip/prot/udp.h | 68 + lib/lwip/include/lwip/raw.h | 143 + lib/lwip/include/lwip/sio.h | 142 + lib/lwip/include/lwip/snmp.h | 213 + lib/lwip/include/lwip/sockets.h | 707 +++ lib/lwip/include/lwip/stats.h | 491 ++ lib/lwip/include/lwip/sys.h | 575 +++ lib/lwip/include/lwip/tcp.h | 500 ++ lib/lwip/include/lwip/tcpbase.h | 88 + lib/lwip/include/lwip/tcpip.h | 114 + lib/lwip/include/lwip/timeouts.h | 128 + lib/lwip/include/lwip/udp.h | 195 + lib/lwip/include/netif/bridgeif.h | 127 + lib/lwip/include/netif/bridgeif_opts.h | 90 + lib/lwip/include/netif/etharp.h | 3 + lib/lwip/include/netif/ethernet.h | 77 + lib/lwip/include/netif/ieee802154.h | 112 + lib/lwip/include/netif/lowpan6.h | 89 + lib/lwip/include/netif/lowpan6_ble.h | 78 + lib/lwip/include/netif/lowpan6_common.h | 82 + lib/lwip/include/netif/lowpan6_opts.h | 122 + lib/lwip/include/netif/ppp/ccp.h | 164 + lib/lwip/include/netif/ppp/chap-md5.h | 36 + lib/lwip/include/netif/ppp/chap-new.h | 200 + lib/lwip/include/netif/ppp/chap_ms.h | 44 + lib/lwip/include/netif/ppp/eap.h | 169 + lib/lwip/include/netif/ppp/ecp.h | 62 + lib/lwip/include/netif/ppp/eui64.h | 102 + lib/lwip/include/netif/ppp/fsm.h | 182 + lib/lwip/include/netif/ppp/ipcp.h | 134 + lib/lwip/include/netif/ppp/ipv6cp.h | 191 + lib/lwip/include/netif/ppp/lcp.h | 179 + lib/lwip/include/netif/ppp/magic.h | 130 + lib/lwip/include/netif/ppp/mppe.h | 181 + lib/lwip/include/netif/ppp/polarssl/arc4.h | 81 + lib/lwip/include/netif/ppp/polarssl/des.h | 92 + lib/lwip/include/netif/ppp/polarssl/md4.h | 97 + lib/lwip/include/netif/ppp/polarssl/md5.h | 96 + lib/lwip/include/netif/ppp/polarssl/sha1.h | 96 + lib/lwip/include/netif/ppp/ppp.h | 698 +++ lib/lwip/include/netif/ppp/ppp_impl.h | 736 +++ lib/lwip/include/netif/ppp/ppp_opts.h | 610 +++ lib/lwip/include/netif/ppp/pppapi.h | 137 + lib/lwip/include/netif/ppp/pppcrypt.h | 144 + lib/lwip/include/netif/ppp/pppdebug.h | 88 + lib/lwip/include/netif/ppp/pppoe.h | 187 + lib/lwip/include/netif/ppp/pppol2tp.h | 209 + lib/lwip/include/netif/ppp/pppos.h | 125 + lib/lwip/include/netif/ppp/upap.h | 131 + lib/lwip/include/netif/ppp/vj.h | 169 + lib/lwip/include/netif/slipif.h | 86 + lib/lwip/include/netif/zepif.h | 81 + lib/lwip/netif/ethernet.c | 329 ++ lib/lwip/u-boot/arch/cc.h | 43 + lib/lwip/u-boot/arch/sys_arch.h | 0 lib/lwip/u-boot/limits.h | 0 lib/lwip/u-boot/lwipopts.h | 197 + net-lwip/Kconfig | 61 + net-lwip/Makefile | 18 + net-lwip/dhcp.c | 114 + net-lwip/dns.c | 107 + net-lwip/eth_internal.h | 35 + net-lwip/net-lwip.c | 224 + net-lwip/ping.c | 171 + net-lwip/tftp.c | 213 + net-lwip/wget.c | 184 + net/Kconfig | 1 + net/eth_bootdev.c | 2 +- test/dm/dsa.c | 2 + test/dm/eth.c | 4 + test/py/tests/test_net.py | 21 +- 259 files changed, 77765 insertions(+), 26 deletions(-) create mode 100644 cmd/net-lwip.c create mode 100644 configs/qemu_arm64_lwip_defconfig create mode 100644 include/net-lwip.h create mode 100644 lib/lwip/Makefile create mode 100644 lib/lwip/README create mode 100644 lib/lwip/api/api_lib.c create mode 100644 lib/lwip/api/api_msg.c create mode 100644 lib/lwip/api/err.c create mode 100644 lib/lwip/api/if_api.c create mode 100644 lib/lwip/api/netbuf.c create mode 100644 lib/lwip/api/netdb.c create mode 100644 lib/lwip/api/netifapi.c create mode 100644 lib/lwip/api/sockets.c create mode 100644 lib/lwip/api/tcpip.c create mode 100644 lib/lwip/apps/http/http_client.c create mode 100644 lib/lwip/apps/tftp/tftp.c create mode 100644 lib/lwip/core/altcp.c create mode 100644 lib/lwip/core/altcp_alloc.c create mode 100644 lib/lwip/core/altcp_tcp.c create mode 100644 lib/lwip/core/def.c create mode 100644 lib/lwip/core/dns.c create mode 100644 lib/lwip/core/inet_chksum.c create mode 100644 lib/lwip/core/init.c create mode 100644 lib/lwip/core/ip.c create mode 100644 lib/lwip/core/ipv4/acd.c create mode 100644 lib/lwip/core/ipv4/autoip.c create mode 100644 lib/lwip/core/ipv4/dhcp.c create mode 100644 lib/lwip/core/ipv4/etharp.c create mode 100644 lib/lwip/core/ipv4/icmp.c create mode 100644 lib/lwip/core/ipv4/igmp.c create mode 100644 lib/lwip/core/ipv4/ip4.c create mode 100644 lib/lwip/core/ipv4/ip4_addr.c create mode 100644 lib/lwip/core/ipv4/ip4_frag.c create mode 100644 lib/lwip/core/ipv6/dhcp6.c create mode 100644 lib/lwip/core/ipv6/ethip6.c create mode 100644 lib/lwip/core/ipv6/icmp6.c create mode 100644 lib/lwip/core/ipv6/inet6.c create mode 100644 lib/lwip/core/ipv6/ip6.c create mode 100644 lib/lwip/core/ipv6/ip6_addr.c create mode 100644 lib/lwip/core/ipv6/ip6_frag.c create mode 100644 lib/lwip/core/ipv6/mld6.c create mode 100644 lib/lwip/core/ipv6/nd6.c create mode 100644 lib/lwip/core/mem.c create mode 100644 lib/lwip/core/memp.c create mode 100644 lib/lwip/core/netif.c create mode 100644 lib/lwip/core/pbuf.c create mode 100644 lib/lwip/core/raw.c create mode 100644 lib/lwip/core/stats.c create mode 100644 lib/lwip/core/sys.c create mode 100644 lib/lwip/core/tcp.c create mode 100644 lib/lwip/core/tcp_in.c create mode 100644 lib/lwip/core/tcp_out.c create mode 100644 lib/lwip/core/timeouts.c create mode 100644 lib/lwip/core/udp.c create mode 100644 lib/lwip/include/compat/posix/arpa/inet.h create mode 100644 lib/lwip/include/compat/posix/net/if.h create mode 100644 lib/lwip/include/compat/posix/netdb.h create mode 100644 lib/lwip/include/compat/posix/sys/socket.h create mode 100644 lib/lwip/include/compat/stdc/errno.h create mode 100644 lib/lwip/include/lwip/acd.h create mode 100644 lib/lwip/include/lwip/altcp.h create mode 100644 lib/lwip/include/lwip/altcp_tcp.h create mode 100644 lib/lwip/include/lwip/altcp_tls.h create mode 100644 lib/lwip/include/lwip/api.h create mode 100644 lib/lwip/include/lwip/apps/FILES create mode 100644 lib/lwip/include/lwip/apps/altcp_proxyconnect.h create mode 100644 lib/lwip/include/lwip/apps/altcp_tls_mbedtls_opts.h create mode 100644 lib/lwip/include/lwip/apps/fs.h create mode 100644 lib/lwip/include/lwip/apps/http_client.h create mode 100644 lib/lwip/include/lwip/apps/httpd.h create mode 100644 lib/lwip/include/lwip/apps/httpd_opts.h create mode 100644 lib/lwip/include/lwip/apps/lwiperf.h create mode 100644 lib/lwip/include/lwip/apps/mdns.h create mode 100644 lib/lwip/include/lwip/apps/mdns_domain.h create mode 100644 lib/lwip/include/lwip/apps/mdns_opts.h create mode 100644 lib/lwip/include/lwip/apps/mdns_out.h create mode 100644 lib/lwip/include/lwip/apps/mdns_priv.h create mode 100644 lib/lwip/include/lwip/apps/mqtt.h create mode 100644 lib/lwip/include/lwip/apps/mqtt_opts.h create mode 100644 lib/lwip/include/lwip/apps/mqtt_priv.h create mode 100644 lib/lwip/include/lwip/apps/netbiosns.h create mode 100644 lib/lwip/include/lwip/apps/netbiosns_opts.h create mode 100644 lib/lwip/include/lwip/apps/smtp.h create mode 100644 lib/lwip/include/lwip/apps/smtp_opts.h create mode 100644 lib/lwip/include/lwip/apps/snmp.h create mode 100644 lib/lwip/include/lwip/apps/snmp_core.h create mode 100644 lib/lwip/include/lwip/apps/snmp_mib2.h create mode 100644 lib/lwip/include/lwip/apps/snmp_opts.h create mode 100644 lib/lwip/include/lwip/apps/snmp_scalar.h create mode 100644 lib/lwip/include/lwip/apps/snmp_snmpv2_framework.h create mode 100644 lib/lwip/include/lwip/apps/snmp_snmpv2_usm.h create mode 100644 lib/lwip/include/lwip/apps/snmp_table.h create mode 100644 lib/lwip/include/lwip/apps/snmp_threadsync.h create mode 100644 lib/lwip/include/lwip/apps/snmpv3.h create mode 100644 lib/lwip/include/lwip/apps/sntp.h create mode 100644 lib/lwip/include/lwip/apps/sntp_opts.h create mode 100644 lib/lwip/include/lwip/apps/tftp_client.h create mode 100644 lib/lwip/include/lwip/apps/tftp_common.h create mode 100644 lib/lwip/include/lwip/apps/tftp_opts.h create mode 100644 lib/lwip/include/lwip/apps/tftp_server.h create mode 100644 lib/lwip/include/lwip/arch.h create mode 100644 lib/lwip/include/lwip/autoip.h create mode 100644 lib/lwip/include/lwip/debug.h create mode 100644 lib/lwip/include/lwip/def.h create mode 100644 lib/lwip/include/lwip/dhcp.h create mode 100644 lib/lwip/include/lwip/dhcp6.h create mode 100644 lib/lwip/include/lwip/dns.h create mode 100644 lib/lwip/include/lwip/err.h create mode 100644 lib/lwip/include/lwip/errno.h create mode 100644 lib/lwip/include/lwip/etharp.h create mode 100644 lib/lwip/include/lwip/ethip6.h create mode 100644 lib/lwip/include/lwip/icmp.h create mode 100644 lib/lwip/include/lwip/icmp6.h create mode 100644 lib/lwip/include/lwip/if_api.h create mode 100644 lib/lwip/include/lwip/igmp.h create mode 100644 lib/lwip/include/lwip/inet.h create mode 100644 lib/lwip/include/lwip/inet_chksum.h create mode 100644 lib/lwip/include/lwip/init.h create mode 100644 lib/lwip/include/lwip/init.h.cmake.in create mode 100644 lib/lwip/include/lwip/ip.h create mode 100644 lib/lwip/include/lwip/ip4.h create mode 100644 lib/lwip/include/lwip/ip4_addr.h create mode 100644 lib/lwip/include/lwip/ip4_frag.h create mode 100644 lib/lwip/include/lwip/ip6.h create mode 100644 lib/lwip/include/lwip/ip6_addr.h create mode 100644 lib/lwip/include/lwip/ip6_frag.h create mode 100644 lib/lwip/include/lwip/ip6_zone.h create mode 100644 lib/lwip/include/lwip/ip_addr.h create mode 100644 lib/lwip/include/lwip/mem.h create mode 100644 lib/lwip/include/lwip/memp.h create mode 100644 lib/lwip/include/lwip/mld6.h create mode 100644 lib/lwip/include/lwip/nd6.h create mode 100644 lib/lwip/include/lwip/netbuf.h create mode 100644 lib/lwip/include/lwip/netdb.h create mode 100644 lib/lwip/include/lwip/netif.h create mode 100644 lib/lwip/include/lwip/netifapi.h create mode 100644 lib/lwip/include/lwip/opt.h create mode 100644 lib/lwip/include/lwip/pbuf.h create mode 100644 lib/lwip/include/lwip/priv/altcp_priv.h create mode 100644 lib/lwip/include/lwip/priv/api_msg.h create mode 100644 lib/lwip/include/lwip/priv/mem_priv.h create mode 100644 lib/lwip/include/lwip/priv/memp_priv.h create mode 100644 lib/lwip/include/lwip/priv/memp_std.h create mode 100644 lib/lwip/include/lwip/priv/nd6_priv.h create mode 100644 lib/lwip/include/lwip/priv/raw_priv.h create mode 100644 lib/lwip/include/lwip/priv/sockets_priv.h create mode 100644 lib/lwip/include/lwip/priv/tcp_priv.h create mode 100644 lib/lwip/include/lwip/priv/tcpip_priv.h create mode 100644 lib/lwip/include/lwip/prot/acd.h create mode 100644 lib/lwip/include/lwip/prot/autoip.h create mode 100644 lib/lwip/include/lwip/prot/dhcp.h create mode 100644 lib/lwip/include/lwip/prot/dhcp6.h create mode 100644 lib/lwip/include/lwip/prot/dns.h create mode 100644 lib/lwip/include/lwip/prot/etharp.h create mode 100644 lib/lwip/include/lwip/prot/ethernet.h create mode 100644 lib/lwip/include/lwip/prot/iana.h create mode 100644 lib/lwip/include/lwip/prot/icmp.h create mode 100644 lib/lwip/include/lwip/prot/icmp6.h create mode 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