michaelh/zephyr
1
0
Fork 0
Code Releases Activity

net/shell: Add a quick way to suspend/resume a network interface

Browse source 
Meaningful for testing purpose only.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2020-02-28 15:02:18 +01:00 • committed by Jukka Rissanen
commit cb0da79e7f
1 changed files with 88 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

88
subsys/net/ip/net_shell.c
View file

@ -3932,6 +3932,91 @@ usage:
return 0;
}
static int cmd_net_suspend(const struct shell *shell, size_t argc,
char *argv[])
{
#if defined(CONFIG_NET_POWER_MANAGEMENT)
if (argv[1]) {
struct net_if *iface = NULL;
struct device *dev;
int idx;
int ret;
idx = get_iface_idx(shell, argv[1]);
if (idx < 0) {
return -ENOEXEC;
}
iface = net_if_get_by_index(idx);
if (!iface) {
PR_WARNING("No such interface in index %d\n", idx);
return -ENOEXEC;
}
dev = net_if_get_device(iface);
ret = device_set_power_state(dev, DEVICE_PM_SUSPEND_STATE,
NULL, NULL);
if (ret != 0) {
PR_INFO("Iface could not be suspended: ");
if (ret == -EBUSY) {
PR_INFO("device is busy\n");
} else if (ret == -EALREADY) {
PR_INFO("dehive is already suspended\n");
}
}
} else {
PR("Usage:\n");
PR("\tsuspend <iface index>\n");
}
#else
PR_INFO("You need a network driver supporting Power Management.\n");
#endif /* CONFIG_NET_POWER_MANAGEMENT */
return 0;
}
static int cmd_net_resume(const struct shell *shell, size_t argc,
char *argv[])
{
#if defined(CONFIG_NET_POWER_MANAGEMENT)
if (argv[1]) {
struct net_if *iface = NULL;
struct device *dev;
int idx;
int ret;
idx = get_iface_idx(shell, argv[1]);
if (idx < 0) {
return -ENOEXEC;
}
iface = net_if_get_by_index(idx);
if (!iface) {
PR_WARNING("No such interface in index %d\n", idx);
return -ENOEXEC;
}
dev = net_if_get_device(iface);
ret = device_set_power_state(dev, DEVICE_PM_ACTIVE_STATE,
NULL, NULL);
if (ret != 0) {
PR_INFO("Iface could not be resumed\n");
}
} else {
PR("Usage:\n");
PR("\tresume <iface index>\n");
}
#else
PR_INFO("You need a network driver supporting Power Management.\n");
#endif /* CONFIG_NET_POWER_MANAGEMENT */
return 0;
}
#if defined(CONFIG_WEBSOCKET_CLIENT)
static void websocket_context_cb(struct websocket_context *context,
void *user_data)
@ -4305,11 +4390,14 @@ SHELL_STATIC_SUBCMD_SET_CREATE(net_commands,
cmd_net_nbr),
SHELL_CMD(ping, &net_cmd_ping, "Ping a network host.", cmd_net_ping),
SHELL_CMD(ppp, &net_cmd_ppp, "PPP information.", cmd_net_ppp_status),
SHELL_CMD(resume, NULL, "Resume a network interface", cmd_net_resume),
SHELL_CMD(route, NULL, "Show network route.", cmd_net_route),
SHELL_CMD(stacks, NULL, "Show network stacks information.",
cmd_net_stacks),
SHELL_CMD(stats, &net_cmd_stats, "Show network statistics.",
cmd_net_stats),
SHELL_CMD(suspend, NULL, "Suspend a network interface",
cmd_net_suspend),
SHELL_CMD(tcp, &net_cmd_tcp, "Connect/send/close TCP connection.",
cmd_net_tcp),
SHELL_CMD(vlan, &net_cmd_vlan, "Show VLAN information.", cmd_net_vlan),