...

kernel/init.c

@@ -144,6 +144,14 @@ int network_shutdown(void)
 
 int network_init(void)
 {
+	tcpip_init(tcp_init_ok,NULL);
+	kprintf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
+	mmnif_open();
+	kprintf("AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA");
+	return 0;
+
+#if 0
+
 #if defined(CONFIG_LWIP)
 	// Initialize lwIP modules
 	lwip_init();
@@ -154,4 +162,5 @@ int network_init(void)
 #else
 	return 0;
 #endif
+#endif
 }

kernel/tests.c

@@ -26,6 +26,14 @@
 #include <metalsvm/syscall.h>
 #ifdef CONFIG_ROCKCREEK
 #include <asm/icc.h>
+#include <asm/RCCE_lib.h>
+#include <asm/RCCE.h>
+#include <asm/RCCE_lib.h>
+#include <asm/iRCCE.h>
+#include <asm/iRCCE_lib.h>
+
+#include <asm/SCC_API.h>
+#include <lwip/sockets.h>
 #endif
 
 static sem_t 		consuming, producing;
@@ -119,8 +127,151 @@ static int STDCALL join_test(void* arg)
 
 void ping_send_now();
 
+__inline int get_core_no(void)
+{
+  unsigned int tmp;
+  unsigned int pid;
+  unsigned int x,y,z;
+  /* Determine the local IP address from the core number in the 
+   * tile ID register 
+   */
+  tmp = ReadConfigReg(0xF8000000 + 0x100);
+  x = (tmp>>3) & 0x0f; /* bits 06:03 */
+  y = (tmp>>7) & 0x0f; /* bits 10:07 */
+  z = (tmp   ) & 0x07; /* bits 02:00 */
+  pid = 12*y + 2*x + z;
+  /* Add 1 to the processor ID to avoid *.*.*.0 IP addresses */
+  return pid;
+}s
+
+
+void* server_task(void* e)
+{
+    int sockfd, newsockfd, portno, clilen;
+    char buffer[256];
+    struct sockaddr_in serv_addr, cli_addr;
+    int  n;
+
+    /* First call to socket() function */
+    sockfd = socket(AF_INET, SOCK_STREAM, 0);
+    if (sockfd < 0) 
+    {
+        kprintf("ERROR opening socket");
+        return;
+    }
+    /* Initialize socket structure */
+    memset((char *) &serv_addr,0, sizeof(serv_addr));
+    portno = 5001;
+    serv_addr.sin_family = AF_INET;
+    serv_addr.sin_addr.s_addr = INADDR_ANY;
+    serv_addr.sin_port = htons(portno);
+ 
+    kprintf("binding");
+    /* Now bind the host address using bind() call.*/
+    if (bind(sockfd, (struct sockaddr *) &serv_addr,
+                          sizeof(serv_addr)) < 0)
+    {
+         kprintf("ERROR on binding");
+         return;
+    }
+
+    /* Now start listening for the clients, here process will
+    * go in sleep mode and will wait for the incoming connection
+    */
+    kprintf("listening");
+    listen(sockfd,5);
+    clilen = sizeof(cli_addr);
+
+    /* Accept actual connection from the client */
+    kprintf("accepting");
+    newsockfd = accept(sockfd, (struct sockaddr *)&cli_addr, 
+                                &clilen);
+    if (newsockfd < 0) 
+    {
+        kprintf("ERROR on accept");
+        return;
+    }
+    /* If connection is established then start communicating */
+    memset(buffer,0,256);
+    kprintf("recieving");
+    n = read( newsockfd,buffer,255 );
+    if (n < 0)
+    {
+        kprintf("ERROR reading from socket");
+        return;
+    }
+    kprintf("Here is the message: %s\n",buffer);
+
+    /* Write a response to the client */
+    kprintf("writing");
+    n = write(newsockfd,"I got your message",18);
+    if (n < 0)
+    {
+        kprintf("ERROR writing to socket");
+        return;
+    }
+    return 0; 
+}
+
+void* client_task(void* e)
+{
+	char    dir[256];
+	int	sd;
+	struct sockaddr_in sin;
+	struct sockaddr_in pin;
+	struct hostent *hp;
+
+
+	/* fill in the socket structure with host information */
+	memset(&pin, 0, sizeof(pin));
+	pin.sin_family = AF_INET;
+	pin.sin_addr.s_addr = inet_addr("192.168.0.1");
+	pin.sin_port = htons(5001);
+
+	/* grab an Internet domain socket */
+	if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
+		kprintf("socketfail");
+		return;
+	}
+
+	kprintf("connecting");
+	/* connect to PORT on HOST */
+	if (connect(sd,(struct sockaddr *)  &pin, sizeof(pin)) == -1) {
+		kprintf("connectfail");
+		return;
+	}
+	kprintf("sending");
+	/* send a message to the server PORT on machine HOST */
+	if (send(sd, "HELLO THERE", strlen("HELLO THERE"), 0) == -1) {
+		kprintf("sendfail");
+		return;
+	}
+	kprintf("recieving");
+        /* wait for a message to come back from the server */
+        if (recv(sd, dir, 256, 0) == -1) {
+                kprintf("recvfail");
+                return;
+        }
+
+        /* spew-out the results and bail out of here! */
+        kprintf("%s\n", dir);
+
+	close(sd);
+
+return NULL;
+}
+
+
 int test_init(void)
 {
+
+	if (!get_core_no())
+		create_kernel_task(NULL,server_task,NULL);
+	else
+		create_kernel_task(NULL,client_task,NULL);
+
+#if 0
+
 	char* argv[] = {"/bin/tests", NULL};
 
 	sem_init(&producing, 1);
@@ -137,5 +288,6 @@ int test_init(void)
 	//create_user_task(NULL, "/bin/jacobi", argv);
 	//create_user_task(NULL, "/bin/jacobi", argv);
 
+#endif
 	return 0;
 }