New IPC interface, lwip sends data to rndis

Ubiquitous/XiZi_AIoT/services/net/net_server/Makefile

@@ -53,10 +53,12 @@ arch_usyscall = $(KERNEL_ROOT)/services/app/arch_usyscall.o
 session = $(KERNEL_ROOT)/services/app/session.o
 libipc = $(KERNEL_ROOT)/services/app/libipc.o
 libsem = $(KERNEL_ROOT)/services/app/libsemaphore.o
+librndis = $(KERNEL_ROOT)/services/net/net_server/rndis_service.o
+
 lwip: COMPILER lwip_server.o | bin
-	@${ld} ${user_ldflags} -e main -o $@ ${sys} ${api} ${core} ${ipv4} ${netif} lwip_server.o ${libserial} ${printf} ${libmem} ${usyscall} ${arch_usyscall} ${session} ${libipc} ${libsem} ${board_specs}
+	@${ld} ${user_ldflags} -e main -o $@ ${librndis} ${sys} ${api} ${core} ${ipv4} ${netif} lwip_server.o ${libserial} ${printf} ${libmem} ${usyscall} ${arch_usyscall} ${session} ${libipc} ${libsem} ${board_specs}
 	@${objdump} -S $@ > $@.asm
-	@$(ar) -r liblwip.a ${sys} ${api} ${core} ${ipv4} ${netif}
+	@$(ar) -r liblwip.a ${librndis} ${sys} ${api} ${core} ${ipv4} ${netif}
 	@mv *.o bin
 	@mv $@ $(KERNEL_ROOT)/services/app
 	@mv $@.asm $(KERNEL_ROOT)/services/app

Ubiquitous/XiZi_AIoT/services/net/net_server/arch/Makefile

@@ -1,5 +1,6 @@
 include $(KERNEL_ROOT)/services/net/net_server/lwip.mk
 objs += sys_arch.o ethernetif.o
+objs += $(KERNEL_ROOT)/services/drivers/usb/usb_service/rndis_service.o
 
 
 arch: ${objs}

Ubiquitous/XiZi_AIoT/services/net/net_server/arch/ethernetif.c

@@ -20,10 +20,15 @@
 #include "lwip/ethip6.h"
 #include "lwip/etharp.h"
 #include "libserial.h"
+#include "rndis_service.h"
+
 /* Define those to better describe your network interface. */
 #define IFNAME0 'e'
 #define IFNAME1 'n'
 
+/* IPC rndis client */
+struct Session *g_session_rndis = NULL;
+
 /**
  * In this function, the hardware should be initialized.
  * Called from ethernetif_init().
@@ -80,6 +85,21 @@ void print_packet_data(const char *packet_data, int length) {
 		}
 	}
 }
+
+/**
+ * This function should do the actual transmission of the packet.
+ *
+ * @param dataptr pointer to the actual data in the buffer
+ * @param tot_len the length of this buffer
+ * @return ERR_OK if the send is success
+ *         any other err_t on error
+ */
+int usbh_rndis_eth_tx(void *dataptr, size_t tot_len)
+{
+    struct Session* session = g_session_rndis;
+    return ipc_usbh_rndis_eth_tx(session, dataptr, tot_len);;
+}
+
 /**
  * This function should do the actual transmission of the packet. The packet is
  * contained in the pbuf that is passed to the function. This pbuf
@@ -104,8 +124,11 @@ static err_t low_level_output(struct netif *netif, struct pbuf *p)
 #endif
 
   pbuf_copy_partial(p, buf, p->tot_len, 0);
-  
+
   print_packet_data(buf, p->tot_len);
+
+  usbh_rndis_eth_tx(buf, p->tot_len);
+
   return ERR_OK;
 }
 
@@ -149,6 +172,26 @@ void ethernetif_input(struct netif *netif)
   }
 }
 
+/**
+ * In this function, get session info.
+ * Called from ethernetif_init().
+ *
+ * @return lwIP error code
+ */
+int ipc_rndis_client_init(void)
+{
+    struct Session *session;
+
+    session = mem_malloc(sizeof(struct Session));
+    if(connect_session(session, "RndisServer", 4096) < 0) {
+        printf("connect session failed\n");
+        return ERR_IF;
+    }
+    g_session_rndis = session;
+
+    return ERR_OK;
+}
+
 /**
  * Should be called at the beginning of the program to set up the
  * network interface. It calls the function low_level_init() to do the
@@ -190,6 +233,7 @@ err_t ethernetif_init(struct netif *netif)
   /* initialize the hardware */
   low_level_init(netif);
 
+  ipc_rndis_client_init();
   return ERR_OK;
 }
 

Ubiquitous/XiZi_AIoT/services/net/net_server/lwip.mk

@@ -41,4 +41,5 @@ INC_DIR = 	-I$(KERNEL_ROOT)/services/net/libnet \
 			-I$(KERNEL_ROOT)/services/lib/serial \
 			-I$(KERNEL_ROOT)/services/lib/usyscall \
 			-I$(KERNEL_ROOT)/services/boards/$(BOARD) \
-			-I$(KERNEL_ROOT)/services/app
+			-I$(KERNEL_ROOT)/services/app \
+			-I$(KERNEL_ROOT)/services/drivers/usb/usb_service