Merge zizzer:/bk/m5 into zeep.eecs.umich.edu:/z/saidi/work/m5-smp

--HG--
extra : convert_revision : 19dc01e1c0d2c0ba6b4d804b902429fb0a6a5552

1 files changed, 12 insertions, 112 deletions

diff --git a/base/inet.cc b/base/inet.cc
index e2bdd19ff..ac0758c1f 100644
--- a/base/inet.cc
+++ b/base/inet.cc
@@ -33,7 +33,7 @@
 #include "sim/host.hh"
 #include "base/inet.hh"
 
-using namespace::std;
+using namespace std;
 string
 eaddr_string(const uint8_t a[6])
 {
@@ -43,119 +43,19 @@ eaddr_string(const uint8_t a[6])
     return stream.str();
 }
 
-/*
- * Copyright (c) 1988, 1992, 1993
- *	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.
- */
-/***********************************************************************
-                 This section of code taken from NetBSD
-***********************************************************************/
-
-#define ETHER_CRC_POLY_LE 0xedb88320
-#define ETHER_CRC_POLY_BE 0x04c11db6
-
-#if 0
-/*
- * This is for reference.  We have a table-driven version
- * of the little-endian crc32 generator, which is faster
- * than the double-loop.
- */
-uint32_t
-crc32le(const uint8_t *buf, size_t len)
+uint16_t
+IpHdr::ip_cksum() const
 {
-    uint32_t c, crc, carry;
-    size_t i, j;
-
-    crc = 0xffffffffU;      /* initial value */
-
-    for (i = 0; i < len; i++) {
-        c = buf[i];
-        for (j = 0; j < 8; j++) {
-            carry = ((crc & 0x01) ? 1 : 0) ^ (c & 0x01);
-            crc >>= 1;
-            c >>= 1;
-            if (carry)
-                crc = (crc ^ ETHER_CRC_POLY_LE);
-        }
-    }
-
-    return (crc);
-}
-#else
-uint32_t
-crc32le(const uint8_t *buf, size_t len)
-{
-    static const uint32_t crctab[] = {
-        0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
-        0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
-        0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
-        0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c
-    };
-    uint32_t crc;
-    int i;
-
-    crc = 0xffffffffU;      /* initial value */
-
-    for (i = 0; i < len; i++) {
-        crc ^= buf[i];
-        crc = (crc >> 4) ^ crctab[crc & 0xf];
-        crc = (crc >> 4) ^ crctab[crc & 0xf];
-    }
-
-    return (crc);
+    uint16_t sum = ip_cksum_add(this, hlen(), 0);
+    return ip_cksum_carry(sum);
 }
-#endif
 
-uint32_t
-crc32be(const uint8_t *buf, size_t len)
+uint16_t
+IpHdr::tu_cksum() const
 {
-    uint32_t c, crc, carry;
-    size_t i, j;
-
-    crc = 0xffffffffU;      /* initial value */
-
-    for (i = 0; i < len; i++) {
-        c = buf[i];
-        for (j = 0; j < 8; j++) {
-            carry = ((crc & 0x80000000U) ? 1 : 0) ^ (c & 0x01);
-            crc <<= 1;
-            c >>= 1;
-            if (carry)
-                crc = (crc ^ ETHER_CRC_POLY_BE) | carry;
-        }
-    }
-
-    return (crc);
+    uint16_t sum = ip_cksum_add(payload(), len() - hlen(), 0);
+    sum = ip_cksum_add(&ip_src, 4, sum);
+    sum = ip_cksum_add(&ip_dst, 4, sum);
+    sum += htons(ip_p + ip_len);
+    return ip_cksum_carry(sum);
 }
-
-/***********************************************************************
-                 This is the end of the NetBSD code
-***********************************************************************/