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The following commit(s) were added to refs/heads/master by this push:
new 685ca8b1756 boards/esp32c3-devkit: Remove Dropbear SSH server support
685ca8b1756 is described below
commit 685ca8b1756d65b4594e283d444396e5e58437e3
Author: Felipe Moura <[email protected]>
AuthorDate: Sun Jul 19 23:27:23 2026 -0300
boards/esp32c3-devkit: Remove Dropbear SSH server support
Drop the esp32c3-devkit:dropbear defconfig and its documentation.
The companion apps#3636 (Dropbear over /dev/crypto for this board)
is stuck on an unrelated Espressif CI dependency issue, and the
port is moving to different hardware.
Signed-off-by: Felipe Moura <[email protected]>
---
.../risc-v/esp32c3/boards/esp32c3-devkit/index.rst | 48 -----------
.../esp32c3-devkit/configs/dropbear/defconfig | 95 ----------------------
2 files changed, 143 deletions(-)
diff --git
a/Documentation/platforms/risc-v/esp32c3/boards/esp32c3-devkit/index.rst
b/Documentation/platforms/risc-v/esp32c3/boards/esp32c3-devkit/index.rst
index 1ff7345290b..2a02af8ab48 100644
--- a/Documentation/platforms/risc-v/esp32c3/boards/esp32c3-devkit/index.rst
+++ b/Documentation/platforms/risc-v/esp32c3/boards/esp32c3-devkit/index.rst
@@ -211,54 +211,6 @@ should look like this::
hmac sha256 success
hmac sha256 success
-dropbear
---------
-
-This configuration brings up the `Dropbear
<https://matt.ucc.asn.au/dropbear/dropbear.html>`__
-SSH server so that an NSH session can be reached over the network. It pulls in
-Wi-Fi station mode, the DHCP client, the WAPI tooling and ``/dev/urandom`` so
the
-link is configured automatically at boot, and it persists the SSH host key and
-the user database on the SPIFFS partition mounted at ``/data``.
-
-The Wi-Fi credentials shipped in the defconfig are placeholders. Set your own
-SSID and passphrase before flashing::
-
- $ make menuconfig
- -> Application Configuration
- -> Network Utilities
- -> Network initialization (NETUTILS_NETINIT [=y])
- -> WAPI Configuration
-
-
-When the board boots it joins the configured network, requests an address over
-DHCP and starts the Dropbear daemon. Check the assigned address with::
-
- nsh> ifconfig
- wlan0 Link encap:Ethernet HWaddr 84:f7:03:xx:xx:xx at RUNNING mtu 1504
- inet addr:192.168.1.xx DRaddr:192.168.1.x Mask:255.255.255.0
-
-The first time the daemon runs it generates an ECDSA host key and stores it at
-``/data/dropbear_ecdsa_host_key`` (``CONFIG_NETUTILS_DROPBEAR_HOSTKEY_PATH``),
and
-the user accounts are read from ``/data/passwd``
(``CONFIG_FSUTILS_PASSWD_PATH``).
-Because both files live on the persistent ``/data`` partition, the host key and
-the credentials survive reboots, so clients do not see a changing host key.
-
-Add a user from the board before connecting (the password file is created on
the
-first ``useradd``)::
-
- nsh> useradd admin mypassword
-
-From a host on the same network, open an SSH session and run NSH commands
-remotely::
-
- $ ssh [email protected]
- [email protected]'s password:
- nsh>
-
-Each session runs over a pseudo-terminal (``CONFIG_PSEUDOTERM``), and
``Ctrl-C``
-is forwarded to the remote NSH (``CONFIG_TTY_SIGINT``). The daemon keeps
running
-after a session ends, so multiple clients can connect over time.
-
efuse
-----
diff --git a/boards/risc-v/esp32c3/esp32c3-devkit/configs/dropbear/defconfig
b/boards/risc-v/esp32c3/esp32c3-devkit/configs/dropbear/defconfig
deleted file mode 100644
index 4f4eae57125..00000000000
--- a/boards/risc-v/esp32c3/esp32c3-devkit/configs/dropbear/defconfig
+++ /dev/null
@@ -1,95 +0,0 @@
-#
-# This file is autogenerated: PLEASE DO NOT EDIT IT.
-#
-# You can use "make menuconfig" to make any modifications to the installed
.config file.
-# You can then do "make savedefconfig" to generate a new defconfig file that
includes your
-# modifications.
-#
-# CONFIG_NDEBUG is not set
-# CONFIG_NSH_ARGCAT is not set
-# CONFIG_NSH_CMDOPT_HEXDUMP is not set
-CONFIG_ALLOW_BSD_COMPONENTS=y
-CONFIG_ARCH="risc-v"
-CONFIG_ARCH_BOARD="esp32c3-devkit"
-CONFIG_ARCH_BOARD_COMMON=y
-CONFIG_ARCH_BOARD_ESP32C3_DEVKIT=y
-CONFIG_ARCH_CHIP="esp32c3"
-CONFIG_ARCH_CHIP_ESP32C3=y
-CONFIG_ARCH_INTERRUPTSTACK=2048
-CONFIG_ARCH_IRQ_TO_NDX=y
-CONFIG_ARCH_MINIMAL_VECTORTABLE_DYNAMIC=y
-CONFIG_ARCH_NUSER_INTERRUPTS=17
-CONFIG_ARCH_RISCV=y
-CONFIG_ARCH_STACKDUMP=y
-CONFIG_BOARD_LOOPSPERMSEC=15000
-CONFIG_BUILTIN=y
-CONFIG_DEV_URANDOM=y
-CONFIG_DRIVERS_IEEE80211=y
-CONFIG_DRIVERS_WIRELESS=y
-CONFIG_ESPRESSIF_SPIFLASH=y
-CONFIG_ESPRESSIF_SPIFLASH_SPIFFS=y
-CONFIG_ESPRESSIF_WIFI=y
-CONFIG_EXAMPLES_RANDOM=y
-CONFIG_FSUTILS_PASSWD=y
-CONFIG_FSUTILS_PASSWD_PATH="/data/passwd"
-CONFIG_FS_PROCFS=y
-CONFIG_IDLETHREAD_STACKSIZE=2048
-CONFIG_INIT_ENTRYPOINT="nsh_main"
-CONFIG_INIT_STACKSIZE=8192
-CONFIG_INTELHEX_BINARY=y
-CONFIG_IOB_BUFSIZE=128
-CONFIG_IOB_NBUFFERS=160
-CONFIG_IOB_THROTTLE=24
-CONFIG_LIBC_GAISTRERROR=y
-CONFIG_LIBC_PERROR_STDOUT=y
-CONFIG_LIBC_STRERROR=y
-CONFIG_NETDB_DNSCLIENT=y
-CONFIG_NETDEV_LATEINIT=y
-CONFIG_NETDEV_PHY_IOCTL=y
-CONFIG_NETDEV_WIRELESS_IOCTL=y
-CONFIG_NETINIT_DHCPC=y
-CONFIG_NETINIT_WAPI_PASSPHRASE="mypasswd"
-CONFIG_NETINIT_WAPI_SSID="myssid"
-CONFIG_NETUTILS_DROPBEAR=y
-CONFIG_NETUTILS_DROPBEAR_HOSTKEY_PATH="/data/dropbear_ecdsa_host_key"
-CONFIG_NETUTILS_IPERF=y
-CONFIG_NET_BROADCAST=y
-CONFIG_NET_ETH_PKTSIZE=1514
-CONFIG_NET_ICMP_SOCKET=y
-CONFIG_NET_TCP=y
-CONFIG_NET_TCP_DELAYED_ACK=y
-CONFIG_NET_TCP_WRITE_BUFFERS=y
-CONFIG_NET_UDP=y
-CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
-CONFIG_NSH_BUILTIN_APPS=y
-CONFIG_NSH_DROPBEAR=y
-CONFIG_NSH_FILEIOSIZE=512
-CONFIG_NSH_READLINE=y
-CONFIG_NSH_STRERROR=y
-CONFIG_PREALLOC_TIMERS=0
-CONFIG_PSEUDOTERM=y
-CONFIG_PSEUDOTERM_RXBUFSIZE=1024
-CONFIG_PSEUDOTERM_TXBUFSIZE=2048
-CONFIG_PTHREAD_MUTEX_TYPES=y
-CONFIG_RR_INTERVAL=200
-CONFIG_SCHED_BACKTRACE=y
-CONFIG_SCHED_CHILD_STATUS=y
-CONFIG_SCHED_HAVE_PARENT=y
-CONFIG_SCHED_LPWORK=y
-CONFIG_SCHED_WAITPID=y
-CONFIG_SIG_DEFAULT=y
-CONFIG_START_DAY=29
-CONFIG_START_MONTH=11
-CONFIG_START_YEAR=2019
-CONFIG_SYSTEM_DHCPC_RENEW=y
-CONFIG_SYSTEM_DUMPSTACK=y
-CONFIG_SYSTEM_NSH=y
-CONFIG_SYSTEM_PING=y
-CONFIG_TESTING_GETPRIME=y
-CONFIG_TESTING_OSTEST=y
-CONFIG_TLS_TASK_NELEM=4
-CONFIG_TTY_SIGINT=y
-CONFIG_UART0_SERIAL_CONSOLE=y
-CONFIG_WIRELESS=y
-CONFIG_WIRELESS_WAPI=y
-CONFIG_WIRELESS_WAPI_CMDTOOL=y
