feat(motor): 自适应 PDO 窗口与通道活动指示，新增原生 SOEM 时序诊断

后端 PDO 循环改为按在线槽收缩状态窗口，稀疏总线下单槽每周期都能刷新，并补上尾部槽的发现扫描游标；新增自旋节拍源（阈值/显式覆盖）、P 核识别与线程级钉核，自旋期间释放 GIL 以免 HTTP 线程被饿死；启动时先关停旧实例，避免两个进程争用 Npcap 适配器。记录每拍完整时间线、GC stop-the-world 事件与网格跳拍数，经 /api/motor/dbg 导出用于归因固定频率的超时；配
2026-09-05 01:20:14 +08:00
parent 979da72181
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121 changed files with 33088 additions and 75 deletions
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+/*-
+ * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#) $Header: /tcpdump/master/libpcap/pcap/vlan.h,v 1.1.2.2 2008-08-06 07:45:59 guy Exp $
+ */
+
+#ifndef lib_pcap_vlan_h
+#define lib_pcap_vlan_h
+
+struct vlan_tag {
+	u_int16_t	vlan_tpid;		/* ETH_P_8021Q */
+	u_int16_t	vlan_tci;		/* VLAN TCI */
+};
+
+#define VLAN_TAG_LEN	4
+
+#endif