1 files changed, 0 insertions, 257 deletions
diff --git a/gpxe/src/core/gdbudp.c b/gpxe/src/core/gdbudp.c
deleted file mode 100644
index 26feb38a..00000000
--- a/gpxe/src/core/gdbudp.c
+++ /dev/null
@@ -1,257 +0,0 @@
-/*
- * Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <byteswap.h>
-#include <gpxe/iobuf.h>
-#include <gpxe/in.h>
-#include <gpxe/if_arp.h>
-#include <gpxe/if_ether.h>
-#include <gpxe/ip.h>
-#include <gpxe/udp.h>
-#include <gpxe/netdevice.h>
-#include <gpxe/nap.h>
-#include <gpxe/gdbstub.h>
-#include <gpxe/gdbudp.h>
-
-/** @file
- *
- * GDB over UDP transport
- *
- */
-
-enum {
-	DEFAULT_PORT = 43770, /* UDP listen port */
-};
-
-struct gdb_transport udp_gdb_transport __gdb_transport;
-
-static struct net_device *netdev;
-static uint8_t dest_eth[ETH_ALEN];
-static struct sockaddr_in dest_addr;
-static struct sockaddr_in source_addr;
-
-static void gdbudp_ensure_netdev_open ( struct net_device *netdev ) {
-	/* The device may have been closed between breakpoints */
-	assert ( netdev );
-	netdev_open ( netdev );
-
-	/* Strictly speaking, we may need to close the device when leaving the interrupt handler */
-}
-
-static size_t gdbudp_recv ( char *buf, size_t len ) {
-	struct io_buffer *iob;
-	struct ethhdr *ethhdr;
-	struct arphdr *arphdr;
-	struct iphdr *iphdr;
-	struct udp_header *udphdr;
-	size_t payload_len;
-
-	gdbudp_ensure_netdev_open ( netdev );
-
-	for ( ; ; ) {
-		netdev_poll ( netdev );
-		while ( ( iob = netdev_rx_dequeue ( netdev ) ) != NULL ) {
-			/* Ethernet header */
-			if ( iob_len ( iob ) < sizeof ( *ethhdr ) ) {
-				goto bad_packet;
-			}
-			ethhdr = iob->data;
-			iob_pull ( iob, sizeof ( *ethhdr ) );
-
-			/* Handle ARP requests so the client can find our MAC */
-			if ( ethhdr->h_protocol == htons ( ETH_P_ARP ) ) {
-				arphdr = iob->data;
-				if ( iob_len ( iob ) < sizeof ( *arphdr ) + 2 * ( ETH_ALEN + sizeof ( struct in_addr ) ) ||
-						arphdr->ar_hrd != htons ( ARPHRD_ETHER ) ||
-						arphdr->ar_pro != htons ( ETH_P_IP ) ||
-						arphdr->ar_hln != ETH_ALEN ||
-						arphdr->ar_pln != sizeof ( struct in_addr ) ||
-						arphdr->ar_op != htons ( ARPOP_REQUEST ) ||
-						* ( uint32_t * ) arp_target_pa ( arphdr ) != source_addr.sin_addr.s_addr ) {
-					goto bad_packet;
-				}
-
-				/* Generate an ARP reply */
-				arphdr->ar_op = htons ( ARPOP_REPLY );
-				memswap ( arp_sender_pa ( arphdr ), arp_target_pa ( arphdr ), sizeof ( struct in_addr ) );
-				memcpy ( arp_target_ha ( arphdr ), arp_sender_ha ( arphdr ), ETH_ALEN );
-				memcpy ( arp_sender_ha ( arphdr ), netdev->ll_addr, ETH_ALEN );
-
-				/* Fix up ethernet header */
-				ethhdr = iob_push ( iob, sizeof ( *ethhdr ) );
-				memcpy ( ethhdr->h_dest, ethhdr->h_source, ETH_ALEN );
-				memcpy ( ethhdr->h_source, netdev->ll_addr, ETH_ALEN );
-
-				netdev_tx ( netdev, iob );
-				continue; /* no need to free iob */
-			}
-
-			if ( ethhdr->h_protocol != htons ( ETH_P_IP ) ) {
-				goto bad_packet;
-			}
-
-			/* IP header */
-			if ( iob_len ( iob ) < sizeof ( *iphdr ) ) {
-				goto bad_packet;
-			}
-			iphdr = iob->data;
-			iob_pull ( iob, sizeof ( *iphdr ) );
-			if ( iphdr->protocol != IP_UDP || iphdr->dest.s_addr != source_addr.sin_addr.s_addr ) {
-				goto bad_packet;
-			}
-
-			/* UDP header */
-			if ( iob_len ( iob ) < sizeof ( *udphdr ) ) {
-				goto bad_packet;
-			}
-			udphdr = iob->data;
-			if ( udphdr->dest != source_addr.sin_port ) {
-				goto bad_packet;
-			}
-
-			/* Learn the remote connection details */
-			memcpy ( dest_eth, ethhdr->h_source, ETH_ALEN );
-			dest_addr.sin_addr.s_addr = iphdr->src.s_addr;
-			dest_addr.sin_port = udphdr->src;
-
-			/* Payload */
-			payload_len = ntohs ( udphdr->len );
-			if ( payload_len < sizeof ( *udphdr ) || payload_len > iob_len ( iob ) ) {
-				goto bad_packet;
-			}
-			payload_len -= sizeof ( *udphdr );
-			iob_pull ( iob, sizeof ( *udphdr ) );
-			if ( payload_len > len ) {
-				goto bad_packet;
-			}
-			memcpy ( buf, iob->data, payload_len );
-
-			free_iob ( iob );
-			return payload_len;
-
-bad_packet:
-			free_iob ( iob );
-		}
-		cpu_nap();
-	}
-}
-
-static void gdbudp_send ( const char *buf, size_t len ) {
-	struct io_buffer *iob;
-	struct ethhdr *ethhdr;
-	struct iphdr *iphdr;
-	struct udp_header *udphdr;
-
-	/* Check that we are connected */
-	if ( dest_addr.sin_port == 0 ) {
-		return;
-	}
-
-	gdbudp_ensure_netdev_open ( netdev );
-
-	iob = alloc_iob ( sizeof ( *ethhdr ) + sizeof ( *iphdr ) + sizeof ( *udphdr ) + len );
-	if ( !iob ) {
-		return;
-	}
-
-	/* Payload */
-	iob_reserve ( iob, sizeof ( *ethhdr ) + sizeof ( *iphdr ) + sizeof ( *udphdr ) );
-	memcpy ( iob_put ( iob, len ), buf, len );
-
-	/* UDP header */
-	udphdr = iob_push ( iob, sizeof ( *udphdr ) );
-	udphdr->src = source_addr.sin_port;
-	udphdr->dest = dest_addr.sin_port;
-	udphdr->len = htons ( iob_len ( iob ) );
-	udphdr->chksum = 0; /* optional and we are not using it */
-
-	/* IP header */
-	iphdr = iob_push ( iob, sizeof ( *iphdr ) );
-	memset ( iphdr, 0, sizeof ( *iphdr ) );
-	iphdr->verhdrlen = ( IP_VER | ( sizeof ( *iphdr ) / 4 ) );
-	iphdr->service = IP_TOS;
-	iphdr->len = htons ( iob_len ( iob ) );	
-	iphdr->ttl = IP_TTL;
-	iphdr->protocol = IP_UDP;
-	iphdr->dest.s_addr = dest_addr.sin_addr.s_addr;
-	iphdr->src.s_addr = source_addr.sin_addr.s_addr;
-	iphdr->chksum = tcpip_chksum ( iphdr, sizeof ( *iphdr ) );
-
-	/* Ethernet header */
-	ethhdr = iob_push ( iob, sizeof ( *ethhdr ) );
-	memcpy ( ethhdr->h_dest, dest_eth, ETH_ALEN );
-	memcpy ( ethhdr->h_source, netdev->ll_addr, ETH_ALEN );
-	ethhdr->h_protocol = htons ( ETH_P_IP );
-
-	netdev_tx ( netdev, iob );
-}
-
-struct gdb_transport *gdbudp_configure ( const char *name, struct sockaddr_in *addr ) {
-	struct settings *settings;
-
-	/* Release old network device */
-	netdev_put ( netdev );
-
-	netdev = find_netdev ( name );
-	if ( !netdev ) {
-		return NULL;
-	}
-
-	/* Hold network device */
-	netdev_get ( netdev );
-
-	/* Source UDP port */
-	source_addr.sin_port = ( addr && addr->sin_port ) ? addr->sin_port : htons ( DEFAULT_PORT );
-
-	/* Source IP address */
-	if ( addr && addr->sin_addr.s_addr ) {
-		source_addr.sin_addr.s_addr = addr->sin_addr.s_addr;
-	} else {
-		settings = netdev_settings ( netdev );
-		fetch_ipv4_setting ( settings, &ip_setting, &source_addr.sin_addr );
-		if ( source_addr.sin_addr.s_addr == 0 ) {
-			netdev_put ( netdev );
-			netdev = NULL;
-			return NULL;
-		}
-	}
-
-	return &udp_gdb_transport;
-}
-
-static int gdbudp_init ( int argc, char **argv ) {
-	if ( argc != 1 ) {
-		printf ( "udp: missing <interface> argument\n" );
-		return 1;
-	}
-
-	if ( !gdbudp_configure ( argv[0], NULL ) ) {
-		printf ( "%s: device does not exist or has no IP address\n", argv[0] );
-		return 1;
-	}
-	return 0;
-}
-
-struct gdb_transport udp_gdb_transport __gdb_transport = {
-	.name = "udp",
-	.init = gdbudp_init,
-	.send = gdbudp_send,
-	.recv = gdbudp_recv,
-};