diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/net/ping.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/net/ping.c')
-rw-r--r-- | qemu/roms/ipxe/src/net/ping.c | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/qemu/roms/ipxe/src/net/ping.c b/qemu/roms/ipxe/src/net/ping.c deleted file mode 100644 index 3f4fa5c11..000000000 --- a/qemu/roms/ipxe/src/net/ping.c +++ /dev/null @@ -1,277 +0,0 @@ -/* - * Copyright (C) 2013 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 <stdlib.h> -#include <string.h> -#include <errno.h> -#include <byteswap.h> -#include <ipxe/refcnt.h> -#include <ipxe/list.h> -#include <ipxe/iobuf.h> -#include <ipxe/tcpip.h> -#include <ipxe/icmp.h> -#include <ipxe/interface.h> -#include <ipxe/xfer.h> -#include <ipxe/open.h> -#include <ipxe/netdevice.h> -#include <ipxe/ping.h> - -/** @file - * - * ICMP ping protocol - * - */ - -/** - * A ping connection - * - */ -struct ping_connection { - /** Reference counter */ - struct refcnt refcnt; - /** List of ping connections */ - struct list_head list; - - /** Remote socket address */ - struct sockaddr_tcpip peer; - /** Local port number */ - uint16_t port; - - /** Data transfer interface */ - struct interface xfer; -}; - -/** List of registered ping connections */ -static LIST_HEAD ( ping_conns ); - -/** - * Identify ping connection by local port number - * - * @v port Local port number - * @ret ping Ping connection, or NULL - */ -static struct ping_connection * ping_demux ( unsigned int port ) { - struct ping_connection *ping; - - list_for_each_entry ( ping, &ping_conns, list ) { - if ( ping->port == port ) - return ping; - } - return NULL; -} - -/** - * Check if local port number is available - * - * @v port Local port number - * @ret port Local port number, or negative error - */ -static int ping_port_available ( int port ) { - - return ( ping_demux ( port ) ? -EADDRINUSE : port ); -} - -/** - * Process ICMP ping reply - * - * @v iobuf I/O buffer - * @v st_src Source address - * @ret rc Return status code - */ -int ping_rx ( struct io_buffer *iobuf, struct sockaddr_tcpip *st_src ) { - struct icmp_echo *echo = iobuf->data; - struct ping_connection *ping; - struct xfer_metadata meta; - int rc; - - /* Sanity check: should already have been checked by ICMP layer */ - assert ( iob_len ( iobuf ) >= sizeof ( *echo ) ); - - /* Identify connection */ - ping = ping_demux ( ntohs ( echo->ident ) ); - DBGC ( ping, "PING %p reply id %#04x seq %#04x\n", - ping, ntohs ( echo->ident ), ntohs ( echo->sequence ) ); - if ( ! ping ) { - rc = -ENOTCONN; - goto discard; - } - - /* Strip header, construct metadata, and pass data to upper layer */ - iob_pull ( iobuf, sizeof ( *echo ) ); - memset ( &meta, 0, sizeof ( meta ) ); - meta.src = ( ( struct sockaddr * ) st_src ); - meta.flags = XFER_FL_ABS_OFFSET; - meta.offset = ntohs ( echo->sequence ); - return xfer_deliver ( &ping->xfer, iob_disown ( iobuf ), &meta ); - - discard: - free_iob ( iobuf ); - return rc; -} - -/** - * Allocate I/O buffer for ping - * - * @v ping Ping connection - * @v len Payload size - * @ret iobuf I/O buffer, or NULL - */ -static struct io_buffer * -ping_alloc_iob ( struct ping_connection *ping __unused, size_t len ) { - size_t header_len; - struct io_buffer *iobuf; - - header_len = ( MAX_LL_NET_HEADER_LEN + sizeof ( struct icmp_echo ) ); - iobuf = alloc_iob ( header_len + len ); - if ( iobuf ) - iob_reserve ( iobuf, header_len ); - return iobuf; -} - -/** - * Deliver datagram as I/O buffer - * - * @v ping Ping connection - * @v iobuf I/O buffer - * @v meta Data transfer metadata - * @ret rc Return status code - */ -static int ping_deliver ( struct ping_connection *ping, struct io_buffer *iobuf, - struct xfer_metadata *meta ) { - struct icmp_echo *echo = iob_push ( iobuf, sizeof ( *echo ) ); - int rc; - - /* Construct header */ - memset ( echo, 0, sizeof ( *echo ) ); - echo->ident = htons ( ping->port ); - echo->sequence = htons ( meta->offset ); - - /* Transmit echo request */ - if ( ( rc = icmp_tx_echo_request ( iob_disown ( iobuf ), - &ping->peer ) ) != 0 ) { - DBGC ( ping, "PING %p could not transmit: %s\n", - ping, strerror ( rc ) ); - return rc; - } - - return 0; -} - -/** - * Close ping connection - * - * @v ping Ping connection - * @v rc Reason for close - */ -static void ping_close ( struct ping_connection *ping, int rc ) { - - /* Close data transfer interface */ - intf_shutdown ( &ping->xfer, rc ); - - /* Remove from list of connections and drop list's reference */ - list_del ( &ping->list ); - ref_put ( &ping->refcnt ); - - DBGC ( ping, "PING %p closed\n", ping ); -} - -/** Ping data transfer interface operations */ -static struct interface_operation ping_xfer_operations[] = { - INTF_OP ( xfer_deliver, struct ping_connection *, ping_deliver ), - INTF_OP ( xfer_alloc_iob, struct ping_connection *, ping_alloc_iob ), - INTF_OP ( intf_close, struct ping_connection *, ping_close ), -}; - -/** Ping data transfer interface descriptor */ -static struct interface_descriptor ping_xfer_desc = - INTF_DESC ( struct ping_connection, xfer, ping_xfer_operations ); - -/** - * Open a ping connection - * - * @v xfer Data transfer interface - * @v peer Peer socket address - * @v local Local socket address, or NULL - * @ret rc Return status code - */ -static int ping_open ( struct interface *xfer, struct sockaddr *peer, - struct sockaddr *local ) { - struct sockaddr_tcpip *st_peer = ( struct sockaddr_tcpip * ) peer; - struct sockaddr_tcpip *st_local = ( struct sockaddr_tcpip * ) local; - struct ping_connection *ping; - int port; - int rc; - - /* Allocate and initialise structure */ - ping = zalloc ( sizeof ( *ping ) ); - if ( ! ping ) { - rc = -ENOMEM; - goto err_alloc; - } - DBGC ( ping, "PING %p allocated\n", ping ); - ref_init ( &ping->refcnt, NULL ); - intf_init ( &ping->xfer, &ping_xfer_desc, &ping->refcnt ); - memcpy ( &ping->peer, st_peer, sizeof ( ping->peer ) ); - - /* Bind to local port */ - port = tcpip_bind ( st_local, ping_port_available ); - if ( port < 0 ) { - rc = port; - DBGC ( ping, "PING %p could not bind: %s\n", - ping, strerror ( rc ) ); - goto err_bind; - } - ping->port = port; - DBGC ( ping, "PING %p bound to id %#04x\n", ping, port ); - - /* Attach parent interface, transfer reference to connection - * list, and return - */ - intf_plug_plug ( &ping->xfer, xfer ); - list_add ( &ping->list, &ping_conns ); - return 0; - - err_bind: - ref_put ( &ping->refcnt ); - err_alloc: - return rc; -} - -/** Ping IPv4 socket opener */ -struct socket_opener ping_ipv4_socket_opener __socket_opener = { - .semantics = PING_SOCK_ECHO, - .family = AF_INET, - .open = ping_open, -}; - -/** Ping IPv6 socket opener */ -struct socket_opener ping_ipv6_socket_opener __socket_opener = { - .semantics = PING_SOCK_ECHO, - .family = AF_INET6, - .open = ping_open, -}; - -/** Linkage hack */ -int ping_sock_echo = PING_SOCK_ECHO; |