diff options
Diffstat (limited to 'qemu/roms/ipxe/src/usr/lotest.c')
| -rw-r--r-- | qemu/roms/ipxe/src/usr/lotest.c | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/qemu/roms/ipxe/src/usr/lotest.c b/qemu/roms/ipxe/src/usr/lotest.c deleted file mode 100644 index 6b328713c..000000000 --- a/qemu/roms/ipxe/src/usr/lotest.c +++ /dev/null @@ -1,279 +0,0 @@ -/* - * Copyright (C) 2010 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 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 ); - -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <errno.h> -#include <byteswap.h> -#include <ipxe/iobuf.h> -#include <ipxe/netdevice.h> -#include <ipxe/if_ether.h> -#include <ipxe/keys.h> -#include <ipxe/console.h> -#include <usr/ifmgmt.h> -#include <usr/lotest.h> - -/** @file - * - * Loopback testing - * - */ - -/** Current loopback test receiver */ -static struct net_device *lotest_receiver; - -/** Loopback testing received packets */ -static LIST_HEAD ( lotest_queue ); - -/** - * Process received packet - * - * @v iobuf I/O buffer - * @v netdev Network device - * @v ll_dest Link-layer destination address - * @v ll_source Link-layer source address - * @v flags Packet flags - * @ret rc Return status code - */ -static int lotest_rx ( struct io_buffer *iobuf, - struct net_device *netdev, - const void *ll_dest __unused, - const void *ll_source __unused, - unsigned int flags __unused ) { - - /* Add to received packet queue if currently performing a test */ - if ( netdev == lotest_receiver ) { - list_add_tail ( &iobuf->list, &lotest_queue ); - } else { - free_iob ( iobuf ); - } - - return 0; -} - -/** - * Dequeue received packet - * - * @ret iobuf I/O buffer, or NULL - */ -static struct io_buffer * lotest_dequeue ( void ) { - struct io_buffer *iobuf; - - /* Remove first packet (if any) from received packet queue */ - iobuf = list_first_entry ( &lotest_queue, struct io_buffer, list ); - if ( ! iobuf ) - return NULL; - list_del ( &iobuf->list ); - - return iobuf; -} - -/** - * Transcribe network-layer address - * - * @v net_addr Network-layer address - * @ret string Human-readable transcription of address - */ -static const char * lotest_ntoa ( const void *net_addr __unused ) { - return "<INVALID>"; -} - -/** - * Loopback test network-layer protocol - * - * Using a dedicated network-layer protocol avoids problems caused by - * cards supporting features such as IPv4 checksum offload trying to - * interpret the (randomly generated) network-layer content. - */ -static struct net_protocol lotest_protocol __net_protocol = { - .name = "LOTEST", - .rx = lotest_rx, - .ntoa = lotest_ntoa, - .net_proto = htons ( 0x6950 ), /* Not a genuine protocol number */ - .net_addr_len = 0, -}; - -/** - * Discard all received loopback test packets - * - */ -static void lotest_flush ( void ) { - struct io_buffer *iobuf; - - while ( ( iobuf = lotest_dequeue() ) != NULL ) - free_iob ( iobuf ); -} - -/** - * Wait for packet to be received - * - * @v data Expected data - * @v len Expected data length - * @ret rc Return status code - */ -static int loopback_wait ( void *data, size_t len ) { - struct io_buffer *iobuf; - - /* Poll until packet arrives */ - while ( 1 ) { - - /* Check for cancellation */ - if ( iskey() && ( getchar() == CTRL_C ) ) - return -ECANCELED; - - /* Poll network devices */ - net_poll(); - - /* Dequeue packet, if available */ - iobuf = lotest_dequeue(); - if ( ! iobuf ) - continue; - - /* Check packet length */ - if ( iob_len ( iobuf ) != len ) { - printf ( "\nLength mismatch: sent %zd, received %zd", - len, iob_len ( iobuf ) ); - DBG ( "\nSent:\n" ); - DBG_HDA ( 0, data, len ); - DBG ( "Received:\n" ); - DBG_HDA ( 0, iobuf->data, iob_len ( iobuf ) ); - free_iob ( iob_disown ( iobuf ) ); - return -EINVAL; - } - - /* Check packet content */ - if ( memcmp ( iobuf->data, data, len ) != 0 ) { - printf ( "\nContent mismatch" ); - DBG ( "\nSent:\n" ); - DBG_HDA ( 0, data, len ); - DBG ( "Received:\n" ); - DBG_HDA ( 0, iobuf->data, iob_len ( iobuf ) ); - free_iob ( iob_disown ( iobuf ) ); - return -EINVAL; - } - - /* Discard packet and return */ - free_iob ( iob_disown ( iobuf ) ); - return 0; - } -} - -/** - * Perform loopback test between two network devices - * - * @v sender Sending network device - * @v receiver Received network device - * @v mtu Packet size (excluding link-layer headers) - * @ret rc Return status code - */ -int loopback_test ( struct net_device *sender, struct net_device *receiver, - size_t mtu ) { - uint8_t *buf; - uint32_t *seq; - struct io_buffer *iobuf; - unsigned int i; - unsigned int successes; - int rc; - - /* Open network devices */ - if ( ( rc = ifopen ( sender ) ) != 0 ) - return rc; - if ( ( rc = ifopen ( receiver ) ) != 0 ) - return rc; - - /* Wait for link-up */ - if ( ( rc = iflinkwait ( sender, 0 ) ) != 0 ) - return rc; - if ( ( rc = iflinkwait ( receiver, 0 ) ) != 0 ) - return rc; - - /* Allocate data buffer */ - if ( mtu < sizeof ( *seq ) ) - mtu = sizeof ( *seq ); - buf = malloc ( mtu ); - if ( ! buf ) - return -ENOMEM; - seq = ( ( void * ) buf ); - - /* Print initial statistics */ - printf ( "Performing loopback test from %s to %s with %zd byte MTU\n", - sender->name, receiver->name, mtu ); - ifstat ( sender ); - ifstat ( receiver ); - - /* Start loopback test */ - lotest_flush(); - lotest_receiver = receiver; - - /* Perform loopback test */ - for ( successes = 0 ; ; successes++ ) { - - /* Print running total */ - printf ( "\r%d", successes ); - - /* Generate random packet */ - *seq = htonl ( successes ); - for ( i = sizeof ( *seq ) ; i < mtu ; i++ ) - buf[i] = random(); - iobuf = alloc_iob ( MAX_LL_HEADER_LEN + mtu ); - if ( ! iobuf ) { - printf ( "\nFailed to allocate I/O buffer" ); - rc = -ENOMEM; - break; - } - iob_reserve ( iobuf, MAX_LL_HEADER_LEN ); - memcpy ( iob_put ( iobuf, mtu ), buf, mtu ); - - /* Transmit packet */ - if ( ( rc = net_tx ( iob_disown ( iobuf ), sender, - &lotest_protocol, receiver->ll_addr, - sender->ll_addr ) ) != 0 ) { - printf ( "\nFailed to transmit packet: %s", - strerror ( rc ) ); - break; - } - - /* Wait for received packet */ - if ( ( rc = loopback_wait ( buf, mtu ) ) != 0 ) - break; - } - - printf ( "\n"); - - /* Stop loopback testing */ - lotest_receiver = NULL; - lotest_flush(); - - /* Dump final statistics */ - ifstat ( sender ); - ifstat ( receiver ); - - /* Free buffer */ - free ( buf ); - - return 0; -} |