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net: shell: iface: Allow user to set the default interface

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It is useful in testing to allow user to change the default
network interface by "net iface default <index>".
Also print out the default interface for "net iface" and
"net iface default" commands.

Signed-off-by: Jukka Rissanen <jukka.rissanen@nordicsemi.no>
This commit is contained in:
Jukka Rissanen 2025-02-27 18:01:33 +02:00 committed by Benjamin Cabé
parent 62963396e0
commit 0341d6bf0c
1 changed files with 42 additions and 1 deletions
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43
subsys/net/lib/shell/iface.c
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@ -724,8 +724,10 @@ static int cmd_net_iface(const struct shell *sh, size_t argc, char *argv[])
}
#if defined(CONFIG_NET_HOSTNAME_ENABLE)
PR("Hostname: %s\n\n", net_hostname_get());
PR("Hostname: %s\n", net_hostname_get());
#endif
PR("Default interface: %d\n\n",
net_if_get_by_iface(net_if_get_default()));
user_data.sh = sh;
user_data.user_data = iface;
@ -735,6 +737,42 @@ static int cmd_net_iface(const struct shell *sh, size_t argc, char *argv[])
return 0;
}
static int cmd_net_default_iface(const struct shell *sh, size_t argc, char *argv[])
{
struct net_if *iface = NULL;
int idx;
if (argc < 2) {
iface = net_if_get_default();
if (!iface) {
PR_WARNING("No default interface\n");
return -ENOEXEC;
}
idx = net_if_get_by_iface(iface);
PR("Default interface: %d\n", idx);
} else {
int new_idx;
idx = get_iface_idx(sh, argv[1]);
if (idx < 0) {
return -ENOEXEC;
}
net_if_set_default(net_if_get_by_index(idx));
new_idx = net_if_get_by_iface(net_if_get_default());
if (new_idx != idx) {
PR_WARNING("Failed to set default interface to %d\n", idx);
return -ENOEXEC;
}
PR("Default interface: %d\n", new_idx);
}
return 0;
}
#if defined(CONFIG_NET_SHELL_DYN_CMD_COMPLETION)
#include "iface_dynamic.h"
@ -756,6 +794,9 @@ SHELL_STATIC_SUBCMD_SET_CREATE(net_cmd_iface,
SHELL_CMD(set_mac, IFACE_DYN_CMD,
"'net iface set_mac <index> <MAC>' sets MAC address for the network interface.",
cmd_net_set_mac),
SHELL_CMD(default, IFACE_DYN_CMD,
"'net iface default [<index>]' displays or sets the default network interface.",
cmd_net_default_iface),
SHELL_SUBCMD_SET_END
);