original files of m241

components/ip_net2-6.9/vxcoreip/config/usrNetHostTblCfg.c

@@ -0,0 +1,125 @@
+/* usrNetHostTblCfg.c - host table initialization */
+
+/*
+ * Copyright (c) 2002-2006 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.
+ */
+
+/*
+modification history
+--------------------
+01m,29sep10,h_x  Fix build and coverity warnings.
+01l,25aug07,tkf  Add support for adding host using IPv6 addresses.
+01k,13feb07,dlk  RTP host table sysctl initialization is done by
+                 INCLUDE_HOST_TBL_SYSCTL.
+01j,26dec06,kch  Removed references to the obsolete coreip virtual stack.
+01i,12sep05,vvv  added definitions to fix build issue (SPR #105297)
+01h,03mar05,wap  Add error to notify user of missing component
+01g,08oct04,kc   Fixed compiler error for virtual stack.
+01f,20sep04,dlk  Return a value from usrNetTblStart().
+01e,19sep04,spm  cleanup file: added missing comment start
+01d,19sep04,spm  updated host table initialization for virtual stack startup
+01c,05dec03,vvv  added RTP support
+01b,18nov02,hgo  make it an optional component
+01a,24jul02,hgo  written
+*/
+
+/*
+DESCRIPTION
+This file is configlette for INCLUDE_HOST_TBL. 
+
+NOMANUAL
+*/
+
+#include <hostLib.h>
+
+#ifndef NETBOOTDEF
+#define NETBOOTDEF
+
+char *  pAddrString;                /* Selects address field for device. */
+char *  pTgtName;                   /* Selects name for the target */
+#endif
+
+#ifdef INCLUDE_NET_BOOT_IPV6_CFG
+IMPORT STATUS usrNetBootIpv6AddrExtract (char * pTgtAddr, char * pHstAddr,
+                                         size_t addrLen, BOOL * pHstLinkLocal);
+#endif
+
+/*******************************************************************************
+*
+* usrNetHostTblSetup - assign initial host table entries
+*
+* This routine initializes the internal host table and adds the
+* hostnames and IP addresses for the local vxWorks target and the
+* boot host, if available. It also creates a default host entry for
+* the loopback address.
+*
+* The boot host information is required for the installation of any
+* network remote I/O device.
+*
+* RETURNS: OK, or ERROR if setup failed.
+*
+* NOMANUAL
+*/
+
+LOCAL STATUS usrNetHostTblSetup (void)
+    {
+    STATUS result = ERROR;
+
+    if (hostTblInit () == ERROR)
+        return (ERROR);
+
+#if defined(INET)
+    /*
+     * Create initial host table entries for the loopback address,
+     * and for the local and remote IP addresses, if available.
+     * The remote host information is required for the installation
+     * of any network remote I/O device. The remaining startup sequence
+     * may use a network I/O device, if it downloads a symbol table.
+     */
+
+    result = hostTblSetup (sysBootParams.hostName, sysBootParams.had,
+                           pTgtName, pAddrString);
+
+    return (result);
+
+#elif INCLUDE_NET_BOOT_IPV6_CFG
+    {
+#ifdef INET6_ADDR_LEN
+#define USR_NET_IP6ADDR_LEN (INET6_ADDR_LEN + 18)
+#else
+#define USR_NET_IP6ADDR_LEN 64
+#endif
+        /*
+         * Ipv6 Only Stack case: to allow symbol table download we need to
+         * setup the static host entries using IPv6 addresses.
+         */
+        char * pTgtIpv6Addr;
+        char * pHstIpv6Addr;
+
+        if (((pTgtIpv6Addr = calloc (USR_NET_IP6ADDR_LEN, sizeof(char))) == NULL) ||
+            ((pHstIpv6Addr = calloc (USR_NET_IP6ADDR_LEN, sizeof(char))) == NULL))
+            return ERROR;
+
+        pTgtIpv6Addr [0] = 0;
+        pHstIpv6Addr [0] = 0;
+
+        if (usrNetBootIpv6AddrExtract (pTgtIpv6Addr, pHstIpv6Addr,
+                                       USR_NET_IP6ADDR_LEN, NULL) == OK)
+            result = hostTblSetup (sysBootParams.hostName, pHstIpv6Addr,
+                                   pTgtName, pTgtIpv6Addr);
+        else
+            result = ERROR;
+
+        free (pTgtIpv6Addr);
+        free (pHstIpv6Addr);
+        return (result);
+    }
+#else /* INCLUDE_NET_BOOT_IPV6_CFG */
+    return (result);
+#endif
+    }
+