/*
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 2009, 2010 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <stdlib.h>
#include <string.h>
#include "random.h"
+#include "unaligned.h"
#include "util.h"
#undef NDEBUG
struct test_case {
char *data;
- size_t size;
+ size_t size; /* Test requires a multiple of 4. */
uint16_t csum;
};
static const struct test_case test_cases[] = {
/* RFC 1071 section 3. */
- TEST_CASE("\x00\x01\xf2\x03\xf4\xf5\xf6\xf7", (uint16_t) ~0xddf2),
+ TEST_CASE("\x00\x01\xf2\x03"
+ "\xf4\xf5\xf6\xf7",
+ (uint16_t) ~0xddf2),
/* http://www.sbprojects.com/projects/tcpip/theory/theory14.htm */
- TEST_CASE("\x45\x00\x00\x28\x1F\xFD\x40\x00\x80\x06"
- "\x00\x00\xC0\xA8\x3B\x0A\xC0\xA8\x3B\x32",
+ TEST_CASE("\x45\x00\x00\x28"
+ "\x1F\xFD\x40\x00"
+ "\x80\x06\x00\x00"
+ "\xC0\xA8\x3B\x0A"
+ "\xC0\xA8\x3B\x32",
0xe345),
/* http://mathforum.org/library/drmath/view/54379.html */
- TEST_CASE("\x86\x5e\xac\x60\x71\x2a\x81\xb5", 0xda60),
+ TEST_CASE("\x86\x5e\xac\x60"
+ "\x71\x2a\x81\xb5",
+ 0xda60),
};
static void
const uint16_t *data16 = (const uint16_t *) tc->data;
const uint32_t *data32 = (const uint32_t *) tc->data;
uint32_t partial;
- size_t i;
/* Test csum(). */
assert(ntohs(csum(tc->data, tc->size)) == tc->csum);
/* Test csum_add16(). */
partial = 0;
for (i = 0; i < tc->size / 2; i++) {
- partial = csum_add16(partial, data16[i]);
+ partial = csum_add16(partial, get_unaligned_u16(&data16[i]));
}
assert(ntohs(csum_finish(partial)) == tc->csum);
mark('.');
/* Test csum_add32(). */
partial = 0;
for (i = 0; i < tc->size / 4; i++) {
- partial = csum_add32(partial, data32[i]);
+ partial = csum_add32(partial, get_unaligned_u32(&data32[i]));
}
assert(ntohs(csum_finish(partial)) == tc->csum);
mark('.');
partial = 0;
for (i = 0; i < tc->size / 4; i++) {
if (i % 2) {
- partial = csum_add32(partial, data32[i]);
+ partial = csum_add32(partial, get_unaligned_u32(&data32[i]));
} else {
- partial = csum_add16(partial, data16[i * 2]);
- partial = csum_add16(partial, data16[i * 2 + 1]);
+ uint16_t u0 = get_unaligned_u16(&data16[i * 2]);
+ uint16_t u1 = get_unaligned_u16(&data16[i * 2 + 1]);
+ partial = csum_add16(partial, u0);
+ partial = csum_add16(partial, u1);
}
}
assert(ntohs(csum_finish(partial)) == tc->csum);