[PATCH v2 14/17] MLD STA: Add support for MLO_STATUS control interface command

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From: Shivani Baranwal <quic_shivbara@xxxxxxxxxxx>

Add support for MLO_STATUS control interface command to indicate
per-link information.

Signed-off-by: Shivani Baranwal <quic_shivbara@xxxxxxxxxxx>
---
 wpa_supplicant/ctrl_iface.c | 35 +++++++++++++++++++++++++++++++++++
 wpa_supplicant/wpa_cli.c    |  9 +++++++++
 2 files changed, 44 insertions(+)

diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index d5ba95914..cd8a20fbd 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -11540,6 +11540,38 @@ static int wpas_ctrl_iface_send_dscp_query(struct wpa_supplicant *wpa_s,
 }
 
 
+static int wpas_ctrl_iface_mlo_status(struct wpa_supplicant *wpa_s,
+				      const char *params, char *buf,
+				      size_t buflen)
+{
+	int ret, i;
+	char *pos, *end;
+
+	if (!wpa_s->valid_links)
+		return -1;
+
+	pos = buf;
+	end = buf + buflen;
+
+	for (i = 0; i < MAX_NUM_MLD_LINKS; i++) {
+		if (!(wpa_s->valid_links & BIT(i)))
+			continue;
+
+		ret = os_snprintf(pos, end - pos, "link_id=%d\nfreq=%u\n"
+				  "ap_link_addr=" MACSTR "\nsta_link_addr="
+				  MACSTR"\n", i,
+				  wpa_s->links[i].freq,
+				  MAC2STR(wpa_s->links[i].bssid),
+				  MAC2STR(wpa_s->links[i].addr));
+		if (os_snprintf_error(end - pos, ret))
+			return pos - buf;
+		pos += ret;
+	}
+
+	return pos - buf;
+}
+
+
 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
 					 char *buf, size_t *resp_len)
 {
@@ -12554,6 +12586,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
 	} else if (os_strncmp(buf, "DSCP_QUERY ", 11) == 0) {
 		if (wpas_ctrl_iface_send_dscp_query(wpa_s, buf + 11))
 			reply_len = -1;
+	} else if (os_strcmp(buf, "MLO_STATUS") == 0) {
+		reply_len = wpas_ctrl_iface_mlo_status(wpa_s, buf + 10, reply,
+						       reply_size);
 	} else {
 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
 		reply_len = 16;
diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
index 4b8d9ef1e..e0f0d4f8d 100644
--- a/wpa_supplicant/wpa_cli.c
+++ b/wpa_supplicant/wpa_cli.c
@@ -413,6 +413,12 @@ static int wpa_cli_cmd_quit(struct wpa_ctrl *ctrl, int argc, char *argv[])
 }
 
 
+static int wpa_cli_cmd_mlo_status(struct wpa_ctrl *ctrl, int argc, char *argv[])
+{
+	return wpa_ctrl_command(ctrl, "MLO_STATUS");
+}
+
+
 static int wpa_cli_cmd_set(struct wpa_ctrl *ctrl, int argc, char *argv[])
 {
 	char cmd[256];
@@ -4037,6 +4043,9 @@ static const struct wpa_cli_cmd wpa_cli_commands[] = {
 	{ "dscp_query", wpa_cli_cmd_dscp_query, NULL,
 	  cli_cmd_flag_none,
 	  "wildcard/domain_name=<string> = Send DSCP Query" },
+	{ "mlo_status", wpa_cli_cmd_mlo_status, NULL,
+	  cli_cmd_flag_none,
+	  "[verbose] = get ml links status" },
 	{ NULL, NULL, NULL, cli_cmd_flag_none, NULL }
 };
 
-- 
2.25.1


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