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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/net/ethernet.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (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/ethernet.c')
-rw-r--r--qemu/roms/ipxe/src/net/ethernet.c283
1 files changed, 0 insertions, 283 deletions
diff --git a/qemu/roms/ipxe/src/net/ethernet.c b/qemu/roms/ipxe/src/net/ethernet.c
deleted file mode 100644
index 6ddf05344..000000000
--- a/qemu/roms/ipxe/src/net/ethernet.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * Copyright (C) 2006 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 <stdio.h>
-#include <string.h>
-#include <byteswap.h>
-#include <errno.h>
-#include <assert.h>
-#include <ipxe/if_arp.h>
-#include <ipxe/if_ether.h>
-#include <ipxe/in.h>
-#include <ipxe/netdevice.h>
-#include <ipxe/iobuf.h>
-#include <ipxe/ethernet.h>
-
-/** @file
- *
- * Ethernet protocol
- *
- */
-
-/** Ethernet broadcast MAC address */
-uint8_t eth_broadcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-
-/**
- * Check if Ethernet packet has an 802.3 LLC header
- *
- * @v ethhdr Ethernet header
- * @ret is_llc Packet has 802.3 LLC header
- */
-static inline int eth_is_llc_packet ( struct ethhdr *ethhdr ) {
- uint8_t len_msb;
-
- /* Check if the protocol field contains a value short enough
- * to be a frame length. The slightly convoluted form of the
- * comparison is designed to reduce to a single x86
- * instruction.
- */
- len_msb = *( ( uint8_t * ) &ethhdr->h_protocol );
- return ( len_msb < 0x06 );
-}
-
-/**
- * Add Ethernet link-layer header
- *
- * @v netdev Network device
- * @v iobuf I/O buffer
- * @v ll_dest Link-layer destination address
- * @v ll_source Source link-layer address
- * @v net_proto Network-layer protocol, in network-byte order
- * @ret rc Return status code
- */
-int eth_push ( struct net_device *netdev __unused, struct io_buffer *iobuf,
- const void *ll_dest, const void *ll_source,
- uint16_t net_proto ) {
- struct ethhdr *ethhdr = iob_push ( iobuf, sizeof ( *ethhdr ) );
-
- /* Build Ethernet header */
- memcpy ( ethhdr->h_dest, ll_dest, ETH_ALEN );
- memcpy ( ethhdr->h_source, ll_source, ETH_ALEN );
- ethhdr->h_protocol = net_proto;
-
- return 0;
-}
-
-/**
- * Remove Ethernet link-layer header
- *
- * @v netdev Network device
- * @v iobuf I/O buffer
- * @ret ll_dest Link-layer destination address
- * @ret ll_source Source link-layer address
- * @ret net_proto Network-layer protocol, in network-byte order
- * @ret flags Packet flags
- * @ret rc Return status code
- */
-int eth_pull ( struct net_device *netdev __unused, struct io_buffer *iobuf,
- const void **ll_dest, const void **ll_source,
- uint16_t *net_proto, unsigned int *flags ) {
- struct ethhdr *ethhdr = iobuf->data;
- uint16_t *llc_proto;
-
- /* Sanity check. While in theory we could receive a one-byte
- * packet, this will never happen in practice and performing
- * the combined length check here avoids the need for an
- * additional comparison if we detect an LLC frame.
- */
- if ( iob_len ( iobuf ) < ( sizeof ( *ethhdr ) + sizeof ( *llc_proto ))){
- DBG ( "Ethernet packet too short (%zd bytes)\n",
- iob_len ( iobuf ) );
- return -EINVAL;
- }
-
- /* Strip off Ethernet header */
- iob_pull ( iobuf, sizeof ( *ethhdr ) );
-
- /* Fill in required fields */
- *ll_dest = ethhdr->h_dest;
- *ll_source = ethhdr->h_source;
- *net_proto = ethhdr->h_protocol;
- *flags = ( ( is_multicast_ether_addr ( ethhdr->h_dest ) ?
- LL_MULTICAST : 0 ) |
- ( is_broadcast_ether_addr ( ethhdr->h_dest ) ?
- LL_BROADCAST : 0 ) );
-
- /* If this is an LLC frame (with a length in place of the
- * protocol field), then use the next two bytes (which happen
- * to be the LLC DSAP and SSAP) as the protocol. This allows
- * for minimal-overhead support for receiving (rare) LLC
- * frames, without requiring a full LLC protocol layer.
- */
- if ( eth_is_llc_packet ( ethhdr ) ) {
- llc_proto = ( &ethhdr->h_protocol + 1 );
- *net_proto = *llc_proto;
- }
-
- return 0;
-}
-
-/**
- * Initialise Ethernet address
- *
- * @v hw_addr Hardware address
- * @v ll_addr Link-layer address
- */
-void eth_init_addr ( const void *hw_addr, void *ll_addr ) {
- memcpy ( ll_addr, hw_addr, ETH_ALEN );
-}
-
-/**
- * Generate random Ethernet address
- *
- * @v hw_addr Generated hardware address
- */
-void eth_random_addr ( void *hw_addr ) {
- uint8_t *addr = hw_addr;
- unsigned int i;
-
- for ( i = 0 ; i < ETH_ALEN ; i++ )
- addr[i] = random();
- addr[0] &= ~0x01; /* Clear multicast bit */
- addr[0] |= 0x02; /* Set locally-assigned bit */
-}
-
-/**
- * Transcribe Ethernet address
- *
- * @v ll_addr Link-layer address
- * @ret string Link-layer address in human-readable format
- */
-const char * eth_ntoa ( const void *ll_addr ) {
- static char buf[18]; /* "00:00:00:00:00:00" */
- const uint8_t *eth_addr = ll_addr;
-
- sprintf ( buf, "%02x:%02x:%02x:%02x:%02x:%02x",
- eth_addr[0], eth_addr[1], eth_addr[2],
- eth_addr[3], eth_addr[4], eth_addr[5] );
- return buf;
-}
-
-/**
- * Hash multicast address
- *
- * @v af Address family
- * @v net_addr Network-layer address
- * @v ll_addr Link-layer address to fill in
- * @ret rc Return status code
- */
-int eth_mc_hash ( unsigned int af, const void *net_addr, void *ll_addr ) {
- const uint8_t *net_addr_bytes = net_addr;
- uint8_t *ll_addr_bytes = ll_addr;
-
- switch ( af ) {
- case AF_INET:
- ll_addr_bytes[0] = 0x01;
- ll_addr_bytes[1] = 0x00;
- ll_addr_bytes[2] = 0x5e;
- ll_addr_bytes[3] = net_addr_bytes[1] & 0x7f;
- ll_addr_bytes[4] = net_addr_bytes[2];
- ll_addr_bytes[5] = net_addr_bytes[3];
- return 0;
- case AF_INET6:
- ll_addr_bytes[0] = 0x33;
- ll_addr_bytes[1] = 0x33;
- memcpy ( &ll_addr_bytes[2], &net_addr_bytes[12], 4 );
- return 0;
- default:
- return -ENOTSUP;
- }
-}
-
-/**
- * Generate Ethernet-compatible compressed link-layer address
- *
- * @v ll_addr Link-layer address
- * @v eth_addr Ethernet-compatible address to fill in
- */
-int eth_eth_addr ( const void *ll_addr, void *eth_addr ) {
- memcpy ( eth_addr, ll_addr, ETH_ALEN );
- return 0;
-}
-
-/**
- * Generate EUI-64 address
- *
- * @v ll_addr Link-layer address
- * @v eui64 EUI-64 address to fill in
- * @ret rc Return status code
- */
-int eth_eui64 ( const void *ll_addr, void *eui64 ) {
-
- memcpy ( ( eui64 + 0 ), ( ll_addr + 0 ), 3 );
- memcpy ( ( eui64 + 5 ), ( ll_addr + 3 ), 3 );
- *( ( uint16_t * ) ( eui64 + 3 ) ) = htons ( 0xfffe );
- return 0;
-}
-
-/** Ethernet protocol */
-struct ll_protocol ethernet_protocol __ll_protocol = {
- .name = "Ethernet",
- .ll_proto = htons ( ARPHRD_ETHER ),
- .hw_addr_len = ETH_ALEN,
- .ll_addr_len = ETH_ALEN,
- .ll_header_len = ETH_HLEN,
- .push = eth_push,
- .pull = eth_pull,
- .init_addr = eth_init_addr,
- .ntoa = eth_ntoa,
- .mc_hash = eth_mc_hash,
- .eth_addr = eth_eth_addr,
- .eui64 = eth_eui64,
-};
-
-/**
- * Allocate Ethernet device
- *
- * @v priv_size Size of driver private data
- * @ret netdev Network device, or NULL
- */
-struct net_device * alloc_etherdev ( size_t priv_size ) {
- struct net_device *netdev;
-
- netdev = alloc_netdev ( priv_size );
- if ( netdev ) {
- netdev->ll_protocol = &ethernet_protocol;
- netdev->ll_broadcast = eth_broadcast;
- netdev->max_pkt_len = ETH_FRAME_LEN;
- }
- return netdev;
-}
-
-/* Drag in objects via ethernet_protocol */
-REQUIRING_SYMBOL ( ethernet_protocol );
-
-/* Drag in Ethernet configuration */
-REQUIRE_OBJECT ( config_ethernet );
-
-/* Drag in Ethernet slow protocols */
-REQUIRE_OBJECT ( eth_slow );