renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223

src/cw/conn_prepare_image_data_request.c

@@ -0,0 +1,59 @@
+/*
+    This file is part of libcapwap.
+
+    libcapwap is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    libcapwap is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "capwap.h"
+#include "lwapp.h"
+
+
+
+int conn_prepare_image_data_request(struct conn *conn, struct cwimage_data *data,
+				    struct image_identifier *id)
+{
+	struct cwmsg *cwmsg = &conn->req_msg;
+	cwmsg_init(cwmsg, conn->req_buffer, CW_MSG_IMAGE_DATA_REQUEST, conn_get_next_seqnum(conn),
+		   0);
+
+	if (!data) 
+		return 0;
+
+
+
+	/* for Cisco APs send image data in "LWAPP format" */
+	if (conn->capwap_mode == CWMODE_CISCO) {
+		uint8_t type = 3;
+		uint16_t checksum = htons(lw_checksum(data->data, data->len));
+		cwmsg_vaddelem(cwmsg, CW_ELEM_IMAGE_DATA, 
+			       &type, 1, 
+				&checksum, 2, 
+				data->data, data->len,
+				NULL);
+		return 0;
+	}
+
+
+	/* standard capwap operation */
+
+	cwmsg_vaddelem(cwmsg,CW_ELEM_IMAGE_DATA,
+		&data->type, sizeof(data->type),
+		data->data, data->len,
+		NULL
+	);
+
+
+	return 0;
+}