Index: infiniband/drivers/infiniband/hw/rxe/gen_sb8tables.c
===================================================================
--- /dev/null
+++ infiniband/drivers/infiniband/hw/rxe/gen_sb8tables.c
@@ -0,0 +1,242 @@
+/*
+ * Copyright (c) 2009-2011 Mellanox Technologies Ltd. All rights reserved.
+ * Copyright (c) 2009-2011 System Fabric Works, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *	- Redistributions of source code must retain the above
+ *	  copyright notice, this list of conditions and the following
+ *	  disclaimer.
+ *
+ *	- 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <byteswap.h>
+
+#define _GNU_SOURCE
+#include <getopt.h>
+
+static int flip;
+static int swap;
+static int swip;
+static int flop;
+
+static uint32_t poly = 0xedb88320;	/* crc32 */
+
+static uint32_t t[256];
+
+static int reverse[] = { 7, 6, 5, 4, 3, 2, 1, 0};
+
+static uint8_t flip8(uint8_t x)
+{
+	uint8_t y = 0;
+	int i;
+
+	for (i = 0; i < 8; i++) {
+		if (x & (1 << i))
+			y |= 1 << reverse[i];
+	}
+
+	return y;
+}
+
+static uint32_t flip32(uint32_t x)
+{
+	uint32_t y;
+	uint8_t *p = (uint8_t *)&x;
+	uint8_t *q = (uint8_t *)&y;
+	int i;
+
+	for (i = 0; i < 4; i++)
+		q[i] = flip8(p[i]);
+
+	return y;
+}
+
+static void compute(int n)
+{
+	uint64_t rem;
+	uint64_t p, m;
+	int i;
+	int j;
+	int k;
+	uint32_t ply = poly;
+
+	if (flop)
+		ply = flip32(ply);
+	if (swip)
+		ply = bswap_32(ply);
+
+	for (i = 0; i < 256; i++) {
+		if (flip)
+			rem = flip8(i);
+		else
+			rem = i;
+		rem <<= 32;
+
+		for (k = 0; k <= n; k++) {
+			for (j = 7; j >= 0; j--) {
+				m = 1ULL << (32 + j);
+
+				if (rem & m) {
+					p = ((1ULL << 32) + ply) << j;
+					rem ^= p;
+				}
+			}
+
+			rem <<= 8;
+		}
+
+		rem >>= 8;
+
+		if (flip) {
+			if (swap)
+				t[i] = bswap_32(flip32(rem));
+			else
+				t[i] = flip32(rem);
+		} else {
+			if (swap)
+				t[i] = bswap_32(rem);
+			else
+				t[i] = rem;
+		}
+	}
+}
+
+static void print_table(char *name)
+{
+	int i;
+
+	printf("\nstatic u32 %s[] = {\n", name);
+	for (i = 0; i < 256; i++) {
+		printf("0x%08x,", t[i]);
+		if ((i % 4) == 3)
+			printf("\n");
+		else
+			printf(" ");
+	}
+	printf("};\n");
+}
+
+static void usage(void)
+{
+	printf("usage:\n");
+}
+
+static int arg_process(int argc, char *argv[])
+{
+	int c;
+	char *opt_string = "sfFShp:";
+	struct option opt_long[] = {
+		{"help", 0, 0, 'h'},
+		{"poly", 1, 0, 'p'},
+		{"flip", 0, 0, 'f'},
+		{"swap", 0, 0, 's'},
+		{"swip", 0, 0, 'S'},
+		{"flop", 0, 0, 'F'},
+	};
+
+	while (1) {
+		c = getopt_long(argc, argv, opt_string, opt_long, NULL);
+
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case 'h':
+			usage();
+			return 1;
+
+		case 'p':
+			poly = strtoul(optarg, NULL, 0);
+			break;
+
+		case 'f':
+			flip = 1;
+			break;
+
+		case 'F':
+			flop = 1;
+			break;
+
+		case 's':
+			swap = 1;
+			break;
+
+		case 'S':
+			swip = 1;
+			break;
+
+		default:
+			return 1;
+		}
+	}
+
+	if (optind < argc)
+		return 1;
+
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	if (arg_process(argc, argv)) {
+		usage();
+		return 0;
+	}
+
+	printf("/*\n");
+	printf(" * Slice by 8 tables for CRC polynomial = 0x%08x\n", poly);
+	printf(" * This file is automatically generated\n");
+	printf(" */\n");
+
+	compute(0);
+	print_table("t32");
+
+	compute(1);
+	print_table("t40");
+
+	compute(2);
+	print_table("t48");
+
+	compute(3);
+	print_table("t56");
+
+	compute(4);
+	print_table("t64");
+
+	compute(5);
+	print_table("t72");
+
+	compute(6);
+	print_table("t80");
+
+	compute(7);
+	print_table("t88");
+
+	return 0;
+}
