390 static int head_onwire_len(int ctrl_len, bool secure)  in head_onwire_len()  argument
397 		if (ctrl_len > CEPH_PREAMBLE_INLINE_LEN) {  in head_onwire_len()
398 			rem_len = ctrl_len - CEPH_PREAMBLE_INLINE_LEN;  in head_onwire_len()
403 		if (ctrl_len)  in head_onwire_len()
404 			head_len += ctrl_len + CEPH_CRC_LEN;  in head_onwire_len()
630 	int ctrl_len = con->v2.in_desc.fd_lens[0];  in verify_control_crc()  local
633 	WARN_ON(con->v2.in_kvecs[0].iov_len != ctrl_len);  in verify_control_crc()
636 	crc = crc32c(-1, con->v2.in_kvecs[0].iov_base, ctrl_len);  in verify_control_crc()
1020 	int ctrl_len = con->v2.in_desc.fd_lens[0];  in decrypt_control_remainder()  local
1021 	int rem_len = ctrl_len - CEPH_PREAMBLE_INLINE_LEN;  in decrypt_control_remainder()
1114 			       int ctrl_len, void *extdata, int extdata_len,  in prepare_head_plain()  argument
1117 	int base_len = CEPH_PREAMBLE_LEN + ctrl_len + CEPH_CRC_LEN;  in prepare_head_plain()
1121 	crc = crc32c(-1, CTRL_BODY(base), ctrl_len);  in prepare_head_plain()
1144 				     void *base, int ctrl_len)  in prepare_head_secure_small()  argument
1150 	if (ctrl_len < CEPH_PREAMBLE_INLINE_LEN)  in prepare_head_secure_small()
1151 		memset(CTRL_BODY(base) + ctrl_len, 0,  in prepare_head_secure_small()
1152 		       CEPH_PREAMBLE_INLINE_LEN - ctrl_len);  in prepare_head_secure_small()
1185 				   void *base, int ctrl_len)  in prepare_head_secure_big()  argument
1187 	int rem_len = ctrl_len - CEPH_PREAMBLE_INLINE_LEN;  in prepare_head_secure_big()
1217 			     void *base, int ctrl_len, void *extdata,  in __prepare_control()  argument
1220 	int total_len = ctrl_len + extdata_len;  in __prepare_control()
1225 	     total_len, ctrl_len, extdata_len);  in __prepare_control()
1228 	if (WARN_ON(is_vmalloc_addr(base) || !ctrl_len))  in __prepare_control()
1238 		if (ctrl_len <= CEPH_PREAMBLE_INLINE_LEN)  in __prepare_control()
1240 			ret = prepare_head_secure_small(con, base, ctrl_len);  in __prepare_control()
1243 			ret = prepare_head_secure_big(con, base, ctrl_len);  in __prepare_control()
1247 		prepare_head_plain(con, base, ctrl_len, extdata, extdata_len,  in __prepare_control()
1256 			   void *base, int ctrl_len)  in prepare_control()  argument
1258 	return __prepare_control(con, tag, base, ctrl_len, NULL, 0, false);  in prepare_control()
1264 	int ctrl_len;  in prepare_hello()  local
1266 	ctrl_len = 1 + ceph_entity_addr_encoding_len(&con->peer_addr);  in prepare_hello()
1267 	buf = alloc_conn_buf(con, head_onwire_len(ctrl_len, false));  in prepare_hello()
1274 	WARN_ON(p != CTRL_BODY(buf) + ctrl_len);  in prepare_hello()
1276 	return __prepare_control(con, FRAME_TAG_HELLO, buf, ctrl_len,  in prepare_hello()
1286 	int ctrl_len, authorizer_len;  in prepare_auth_request()  local
1290 	ctrl_len = AUTH_BUF_LEN;  in prepare_auth_request()
1291 	buf = alloc_conn_buf(con, head_onwire_len(ctrl_len, false));  in prepare_auth_request()
1296 	ret = con->ops->get_auth_request(con, CTRL_BODY(buf), &ctrl_len,  in prepare_auth_request()
1315 	return __prepare_control(con, FRAME_TAG_AUTH_REQUEST, buf, ctrl_len,  in prepare_auth_request()
1322 	int ctrl_len, authorizer_len;  in prepare_auth_request_more()  local
1327 	ctrl_len = AUTH_BUF_LEN;  in prepare_auth_request_more()
1328 	buf = alloc_conn_buf(con, head_onwire_len(ctrl_len, false));  in prepare_auth_request_more()
1334 					       CTRL_BODY(buf), &ctrl_len,  in prepare_auth_request_more()
1348 				 ctrl_len, authorizer, authorizer_len, true);  in prepare_auth_request_more()
1376 	int ctrl_len;  in prepare_client_ident()  local
1400 	ctrl_len = 1 + 4 + ceph_entity_addr_encoding_len(my_addr) +  in prepare_client_ident()
1402 	buf = alloc_conn_buf(con, head_onwire_len(ctrl_len, con_secure(con)));  in prepare_client_ident()
1417 	WARN_ON(p != CTRL_BODY(buf) + ctrl_len);  in prepare_client_ident()
1419 	return prepare_control(con, FRAME_TAG_CLIENT_IDENT, buf, ctrl_len);  in prepare_client_ident()
1426 	int ctrl_len;  in prepare_session_reconnect()  local
1438 	ctrl_len = 1 + 4 + ceph_entity_addr_encoding_len(my_addr) + 5 * 8;  in prepare_session_reconnect()
1439 	buf = alloc_conn_buf(con, head_onwire_len(ctrl_len, con_secure(con)));  in prepare_session_reconnect()
1452 	WARN_ON(p != CTRL_BODY(buf) + ctrl_len);  in prepare_session_reconnect()
1454 	return prepare_control(con, FRAME_TAG_SESSION_RECONNECT, buf, ctrl_len);  in prepare_session_reconnect()
1702 	int ctrl_len = con->v2.in_desc.fd_lens[0];  in prepare_read_control()  local
1709 		head_len = head_onwire_len(ctrl_len, false);  in prepare_read_control()
1717 		add_in_kvec(con, CTRL_BODY(buf), ctrl_len);  in prepare_read_control()
1718 		add_in_kvec(con, CTRL_BODY(buf) + ctrl_len, CEPH_CRC_LEN);  in prepare_read_control()
1721 		if (ctrl_len > CEPH_PREAMBLE_INLINE_LEN) {  in prepare_read_control()
1722 			buf = alloc_conn_buf(con, ctrl_len);  in prepare_read_control()
1726 			add_in_kvec(con, buf, ctrl_len);  in prepare_read_control()
1728 			add_in_kvec(con, CTRL_BODY(con->v2.in_buf), ctrl_len);  in prepare_read_control()
1738 	int ctrl_len = con->v2.in_desc.fd_lens[0];  in prepare_read_control_remainder()  local
1739 	int rem_len = ctrl_len - CEPH_PREAMBLE_INLINE_LEN;  in prepare_read_control_remainder()
1742 	buf = alloc_conn_buf(con, ctrl_len);  in prepare_read_control_remainder()
2771 	int ctrl_len = con->v2.in_desc.fd_lens[0];  in handle_control()  local
2784 		buf = alloc_conn_buf(con, ctrl_len);  in handle_control()
2788 		memcpy(buf, con->v2.in_kvecs[0].iov_base, ctrl_len);  in handle_control()