diff options
Diffstat (limited to 'qemu/roms/ipxe/src/tests/tcpip_test.c')
| -rw-r--r-- | qemu/roms/ipxe/src/tests/tcpip_test.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/qemu/roms/ipxe/src/tests/tcpip_test.c b/qemu/roms/ipxe/src/tests/tcpip_test.c deleted file mode 100644 index 759f886bc..000000000 --- a/qemu/roms/ipxe/src/tests/tcpip_test.c +++ /dev/null @@ -1,243 +0,0 @@ -/* - * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -/** @file - * - * TCP/IP self-tests - * - */ - -/* Forcibly enable assertions */ -#undef NDEBUG - -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <ipxe/test.h> -#include <ipxe/profile.h> -#include <ipxe/tcpip.h> - -/** Number of sample iterations for profiling */ -#define PROFILE_COUNT 16 - -/** A TCP/IP fixed-data test */ -struct tcpip_test { - /** Data */ - const void *data; - /** Length of data */ - size_t len; -}; - -/** A TCP/IP pseudorandom-data test */ -struct tcpip_random_test { - /** Seed */ - unsigned int seed; - /** Length of data */ - size_t len; - /** Alignment offset */ - size_t offset; -}; - -/** Define inline data */ -#define DATA(...) { __VA_ARGS__ } - -/** Define a TCP/IP fixed-data test */ -#define TCPIP_TEST( name, DATA ) \ - static const uint8_t __attribute__ (( aligned ( 16 ) )) \ - name ## _data[] = DATA; \ - static struct tcpip_test name = { \ - .data = name ## _data, \ - .len = sizeof ( name ## _data ), \ - } - -/** Define a TCP/IP pseudorandom-data test */ -#define TCPIP_RANDOM_TEST( name, SEED, LEN, OFFSET ) \ - static struct tcpip_random_test name = { \ - .seed = SEED, \ - .len = LEN, \ - .offset = OFFSET, \ - } - -/** Buffer for pseudorandom-data tests */ -static uint8_t __attribute__ (( aligned ( 16 ) )) - tcpip_data[ 4096 + 7 /* offset */ ]; - -/** Empty data */ -TCPIP_TEST ( empty, DATA() ); - -/** Single byte */ -TCPIP_TEST ( one_byte, DATA ( 0xeb ) ); - -/** Double byte */ -TCPIP_TEST ( two_bytes, DATA ( 0xba, 0xbe ) ); - -/** Final wrap-around carry (big-endian) */ -TCPIP_TEST ( final_carry_big, - DATA ( 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 ) ); - -/** Final wrap-around carry (little-endian) */ -TCPIP_TEST ( final_carry_little, - DATA ( 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00 ) ); - -/** Random data (aligned) */ -TCPIP_RANDOM_TEST ( random_aligned, 0x12345678UL, 4096, 0 ); - -/** Random data (unaligned, +1) */ -TCPIP_RANDOM_TEST ( random_unaligned_1, 0x12345678UL, 4096, 1 ); - -/** Random data (unaligned, +2) */ -TCPIP_RANDOM_TEST ( random_unaligned_2, 0x12345678UL, 4096, 2 ); - -/** Random data (aligned, truncated) */ -TCPIP_RANDOM_TEST ( random_aligned_truncated, 0x12345678UL, 4095, 0 ); - -/** Random data (unaligned start and finish) */ -TCPIP_RANDOM_TEST ( partial, 0xcafebabe, 121, 5 ); - -/** - * Calculate TCP/IP checksum - * - * @v data Data to sum - * @v len Length of data - * @ret cksum Checksum - * - * This is a reference implementation taken from RFC1071 (and modified - * to fix compilation without warnings under gcc). - */ -static uint16_t rfc_tcpip_chksum ( const void *data, size_t len ) { - unsigned long sum = 0; - - while ( len > 1 ) { - sum += *( ( uint16_t * ) data ); - data += 2; - len -= 2; - } - - if ( len > 0 ) - sum += *( ( uint8_t * ) data ); - - while ( sum >> 16 ) - sum = ( ( sum & 0xffff ) + ( sum >> 16 ) ); - - return ~sum; -} - -/** - * Report TCP/IP fixed-data test result - * - * @v test TCP/IP test - * @v file Test code file - * @v line Test code line - */ -static void tcpip_okx ( struct tcpip_test *test, const char *file, - unsigned int line ) { - uint16_t expected; - uint16_t generic_sum; - uint16_t sum; - - /* Verify generic_tcpip_continue_chksum() result */ - expected = rfc_tcpip_chksum ( test->data, test->len ); - generic_sum = generic_tcpip_continue_chksum ( TCPIP_EMPTY_CSUM, - test->data, test->len ); - okx ( generic_sum == expected, file, line ); - - /* Verify optimised tcpip_continue_chksum() result */ - sum = tcpip_continue_chksum ( TCPIP_EMPTY_CSUM, test->data, test->len ); - okx ( sum == expected, file, line ); -} -#define tcpip_ok( test ) tcpip_okx ( test, __FILE__, __LINE__ ) - -/** - * Report TCP/IP pseudorandom-data test result - * - * @v test TCP/IP test - * @v file Test code file - * @v line Test code line - */ -static void tcpip_random_okx ( struct tcpip_random_test *test, - const char *file, unsigned int line ) { - uint8_t *data = ( tcpip_data + test->offset ); - struct profiler profiler; - uint16_t expected; - uint16_t generic_sum; - uint16_t sum; - unsigned int i; - - /* Sanity check */ - assert ( ( test->len + test->offset ) <= sizeof ( tcpip_data ) ); - - /* Generate random data */ - srandom ( test->seed ); - for ( i = 0 ; i < test->len ; i++ ) - data[i] = random(); - - /* Verify generic_tcpip_continue_chksum() result */ - expected = rfc_tcpip_chksum ( data, test->len ); - generic_sum = generic_tcpip_continue_chksum ( TCPIP_EMPTY_CSUM, - data, test->len ); - okx ( generic_sum == expected, file, line ); - - /* Verify optimised tcpip_continue_chksum() result */ - sum = tcpip_continue_chksum ( TCPIP_EMPTY_CSUM, data, test->len ); - okx ( sum == expected, file, line ); - - /* Profile optimised calculation */ - memset ( &profiler, 0, sizeof ( profiler ) ); - for ( i = 0 ; i < PROFILE_COUNT ; i++ ) { - profile_start ( &profiler ); - sum = tcpip_continue_chksum ( TCPIP_EMPTY_CSUM, data, - test->len ); - profile_stop ( &profiler ); - } - DBG ( "TCPIP checksummed %zd bytes (+%zd) in %ld +/- %ld ticks\n", - test->len, test->offset, profile_mean ( &profiler ), - profile_stddev ( &profiler ) ); -} -#define tcpip_random_ok( test ) tcpip_random_okx ( test, __FILE__, __LINE__ ) - -/** - * Perform TCP/IP self-tests - * - */ -static void tcpip_test_exec ( void ) { - - tcpip_ok ( &empty ); - tcpip_ok ( &one_byte ); - tcpip_ok ( &two_bytes ); - tcpip_ok ( &final_carry_big ); - tcpip_ok ( &final_carry_little ); - tcpip_random_ok ( &random_aligned ); - tcpip_random_ok ( &random_unaligned_1 ); - tcpip_random_ok ( &random_unaligned_2 ); - tcpip_random_ok ( &random_aligned_truncated ); - tcpip_random_ok ( &partial ); -} - -/** TCP/IP self-test */ -struct self_test tcpip_test __self_test = { - .name = "tcpip", - .exec = tcpip_test_exec, -}; |