---
Makefile | 2 +
ps.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 84 insertions(+), 1 deletions(-)
create mode 100644 ps.c
diff --git a/Makefile b/Makefile
index bae1bfb..b0a4278 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ CFLAGS += -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing
OBJS = iw.o genl.o event.o info.o phy.o \
interface.o ibss.o station.o survey.o util.o \
mesh.o mpath.o scan.o reg.o version.o \
- reason.o status.o connect.o link.o offch.o
+ reason.o status.o connect.o link.o offch.o ps.o
OBJS += sections.o
ALL = iw
diff --git a/ps.c b/ps.c
new file mode 100644
index 0000000..9b0614c
--- /dev/null
+++ b/ps.c
@@ -0,0 +1,83 @@
+#include <errno.h>
+#include <string.h>
+
+#include <netlink/genl/genl.h>
+#include <netlink/msg.h>
+#include <netlink/attr.h>
+
+#include "nl80211.h"
+#include "iw.h"
+
+static int set_power_save(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv)
+{
+ enum nl80211_ps_state ps_state;
+
+ if (argc != 1) {
+ printf("Invalid parameters!\n");
+ return 2;
+ }
+
+ if (strcmp(argv[0], "on") == 0)
+ ps_state = NL80211_PS_ENABLED;
+ else if (strcmp(argv[0], "off") == 0)
+ ps_state = NL80211_PS_DISABLED;
+ else {
+ printf("Invalid parameter: %s\n", argv[0]);
+ return 2;
+ }
+
+ NLA_PUT_U8(msg, NL80211_ATTR_PS_STATE, ps_state);
+
+ return 0;
+
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+COMMAND(set, power_save, "<on|off>",
+ NL80211_CMD_SET_POWER_SAVE, 0, CIB_NETDEV, set_power_save,
+ "Set power save state to on or off.");
+
+static int print_power_save_handler(struct nl_msg *msg, void *arg)
+{
+ struct nlattr *attrs[NL80211_ATTR_MAX + 1];
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ const char *s;
+
+ nla_parse(attrs, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
+
+ if (!attrs[NL80211_ATTR_PS_STATE])
+ return NL_SKIP;
+
+ switch (nla_get_u8(attrs[NL80211_ATTR_PS_STATE])) {
+ case NL80211_PS_ENABLED:
+ s = "on";
+ break;
+ case NL80211_PS_DISABLED:
+ default:
+ s = "off";
+ break;
+ }
+
+ printf("Power save: %s\n", s);
+
+ return NL_SKIP;
+}
+
+static int get_power_save(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv)
+{
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
+ print_power_save_handler, NULL);
+ return 0;
+}
+
+COMMAND(get, power_save, "<param>",
+ NL80211_CMD_GET_POWER_SAVE, 0, CIB_NETDEV, get_power_save,
+ "Retrieve power save state.");
--
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