original files of m241

components/ip_net2-6.9/vxifproxy/include/ifproxy_proto.h

@@ -0,0 +1,146 @@
+/* ifproxy_proto.h - Linux network driver that act as a proxy for a real
+   device that is located in another OS */
+
+/*
+ * Copyright (c) 2010 Wind River Systems, Inc.
+ *
+ * The right to copy, distribute, modify or otherwise make use
+ * of this software may be licensed only pursuant to the terms
+ * of an applicable Wind River license agreement.
+ */
+
+#ifndef __INCifproxy_protoh
+#define __INCifproxy_protoh
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define IFPROXY_CMD_PACKET_OUT    0x04
+
+typedef struct ifproxy_cmd_hdr_s
+{
+    uint16_t PortIndex;
+    uint8_t  Flags;
+    uint8_t  Command;
+    uint16_t EndOffset;
+    uint16_t StartOffset;
+
+} ifproxy_cmd_hdr_t;
+
+
+/*
+ * ifproxy_initial_t is the format of the first message sent
+ * by the control NAE on the control socket.
+ */
+typedef struct ifproxy_initial_s
+{
+    uint16_t dataport;    /* NAE data socket MIPC port number for this port */
+    uint16_t running;     /* Is port running (media active)? */
+    uint8_t  hw_addr[6];  /* MAC station address */
+
+} ifproxy_initial_t;
+
+/*
+ * After receiving the ifproxy_initial_t message from the
+ * control NAE, the ifproxy driver connects its data socket and
+ * responds with an ifproxy_initresp_t message on the control
+ * connection.
+ */
+typedef struct ifproxy_initresp_s
+{
+    uint16_t dataport; /* MIPC port number for ifproxy driver data port */
+    uint16_t if_index; /* Linux interface index for proxy port.
+                          TODO: should be 32 bits like dev->ifindex */
+    uint32_t rsvd1;
+    uint64_t polling_cores;  /* what forwarder cores should poll this port */
+
+} ifproxy_initresp_t;
+
+/*
+ * The ifproxy driver sends various control requests to the NAE
+ * whose format is described by one of the ifproxy_ctrl_msg variants.
+ */
+#define IFPROXY_CTRL_DOWN      0x00 /* Tell the data-plane that the
+                                       interface is bought down. No reply. */
+#define IFPROXY_CTRL_UP        0x01 /* Tell the data-plane that the
+                                       interface is bought up. No reply. */
+#define IFPROXY_CTRL_GET_MAC   0x02 /* Get the MAC address of the real device
+                                     * Reply contains only 6-byte MAC address.
+                                     */
+#define IFPROXY_CTRL_SET_MAC   0x03 /* Set the MAC address of the real device
+                                     * to the value in the eth_addr member.
+                                     * No reply expected.
+                                     */
+#define IFPROXY_CTRL_SET_MCLIST 0x04 /* Set the L2 multicast group list for
+                                      * the real port.  No reply expected.
+                                      */
+
+#define IFPROXY_CTRL_RESULT    0xff /* Result of set operation */
+
+/* ctrl 0x00, 01, 02 */
+typedef struct ifproxy_ctrl_msg_s
+{
+    uint8_t cmd;
+    uint8_t flags;
+#define IFPROXY_CTRL_FLAGS_ALLMULTI  1 /* for IFPROXY_CTRL_SET_MCLIST */
+    uint16_t rsvd16;
+
+} ifproxy_ctrl_msg_t;
+
+/* ctrl 0x03 */
+typedef struct ifproxy_ctrl_set_mac_s
+{
+    ifproxy_ctrl_msg_t hdr;
+    unsigned char eth_addr[6];
+
+} ifproxy_ctrl_set_mac_t;
+
+/* ctrl 0x04 */
+typedef struct ifproxy_ctrl_set_mclist_s {
+    ifproxy_ctrl_msg_t hdr;
+    uint16_t num_addrs;      /* 0xffff -> ALLMULTI */
+    uint8_t  eth_addrs [1];  /* variable length (6*num_addrs) */
+} ifproxy_ctrl_set_mclist_t;
+
+/*
+ * How to separate unsolicited messages sent by the control NAE
+ * on the control connection (e.g. link state changes) from responses
+ * to requests on the control connection?  Maybe send such unsolicited
+ * messages on the data socket, distinguished from incoming packets?
+ *
+ * For now, we send link state change notifications as express data
+ * on the control connection.
+ */
+
+#define IFPROXY_EXPRESS_DATA(cmd, data) \
+    (((uint64_t)(cmd)) | (((uint64_t)(data)) << 8))
+#define IFPROXY_EXPRESS_CMD(expressdata) \
+    ((unsigned int)((expressdata) & 0xffULL))
+
+#define IFPROXY_CTRL_EXPRESS_LSC        0U
+
+#define IFPROXY_CTRL_EXPRESS_LSC_DATA_ACTIVE    0x100
+
+
+/*
+ * Data connection messages from Control NAE to ifproxy driver.
+ * For the most part, these are received packets, but
+ * there may also be others such as link-state change notifications.
+ */
+
+#define IFPROXY_DATA_PACKET_IN     0x00  /* Deliver a received packet */
+
+/* data 0x00 */
+typedef struct ifproxy_data_msg_s
+{
+    uint8_t cmd;
+    uint8_t flags;
+} ifproxy_data_msg_t;
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCifproxy_protoh */