diff options
author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
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committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/slirp/udp.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/slirp/udp.c')
-rw-r--r-- | qemu/slirp/udp.c | 364 |
1 files changed, 0 insertions, 364 deletions
diff --git a/qemu/slirp/udp.c b/qemu/slirp/udp.c deleted file mode 100644 index 247024fd8..000000000 --- a/qemu/slirp/udp.c +++ /dev/null @@ -1,364 +0,0 @@ -/* - * Copyright (c) 1982, 1986, 1988, 1990, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)udp_usrreq.c 8.4 (Berkeley) 1/21/94 - * udp_usrreq.c,v 1.4 1994/10/02 17:48:45 phk Exp - */ - -/* - * Changes and additions relating to SLiRP - * Copyright (c) 1995 Danny Gasparovski. - * - * Please read the file COPYRIGHT for the - * terms and conditions of the copyright. - */ - -#include "qemu/osdep.h" -#include <slirp.h> -#include "ip_icmp.h" - -static uint8_t udp_tos(struct socket *so); - -void -udp_init(Slirp *slirp) -{ - slirp->udb.so_next = slirp->udb.so_prev = &slirp->udb; - slirp->udp_last_so = &slirp->udb; -} - -void udp_cleanup(Slirp *slirp) -{ - while (slirp->udb.so_next != &slirp->udb) { - udp_detach(slirp->udb.so_next); - } -} - -/* m->m_data points at ip packet header - * m->m_len length ip packet - * ip->ip_len length data (IPDU) - */ -void -udp_input(register struct mbuf *m, int iphlen) -{ - Slirp *slirp = m->slirp; - register struct ip *ip; - register struct udphdr *uh; - int len; - struct ip save_ip; - struct socket *so; - struct sockaddr_storage lhost; - struct sockaddr_in *lhost4; - - DEBUG_CALL("udp_input"); - DEBUG_ARG("m = %p", m); - DEBUG_ARG("iphlen = %d", iphlen); - - /* - * Strip IP options, if any; should skip this, - * make available to user, and use on returned packets, - * but we don't yet have a way to check the checksum - * with options still present. - */ - if(iphlen > sizeof(struct ip)) { - ip_stripoptions(m, (struct mbuf *)0); - iphlen = sizeof(struct ip); - } - - /* - * Get IP and UDP header together in first mbuf. - */ - ip = mtod(m, struct ip *); - uh = (struct udphdr *)((caddr_t)ip + iphlen); - - /* - * Make mbuf data length reflect UDP length. - * If not enough data to reflect UDP length, drop. - */ - len = ntohs((uint16_t)uh->uh_ulen); - - if (ip->ip_len != len) { - if (len > ip->ip_len) { - goto bad; - } - m_adj(m, len - ip->ip_len); - ip->ip_len = len; - } - - /* - * Save a copy of the IP header in case we want restore it - * for sending an ICMP error message in response. - */ - save_ip = *ip; - save_ip.ip_len+= iphlen; /* tcp_input subtracts this */ - - /* - * Checksum extended UDP header and data. - */ - if (uh->uh_sum) { - memset(&((struct ipovly *)ip)->ih_mbuf, 0, sizeof(struct mbuf_ptr)); - ((struct ipovly *)ip)->ih_x1 = 0; - ((struct ipovly *)ip)->ih_len = uh->uh_ulen; - if(cksum(m, len + sizeof(struct ip))) { - goto bad; - } - } - - lhost.ss_family = AF_INET; - lhost4 = (struct sockaddr_in *) &lhost; - lhost4->sin_addr = ip->ip_src; - lhost4->sin_port = uh->uh_sport; - - /* - * handle DHCP/BOOTP - */ - if (ntohs(uh->uh_dport) == BOOTP_SERVER && - (ip->ip_dst.s_addr == slirp->vhost_addr.s_addr || - ip->ip_dst.s_addr == 0xffffffff)) { - bootp_input(m); - goto bad; - } - - /* - * handle TFTP - */ - if (ntohs(uh->uh_dport) == TFTP_SERVER && - ip->ip_dst.s_addr == slirp->vhost_addr.s_addr) { - m->m_data += iphlen; - m->m_len -= iphlen; - tftp_input(&lhost, m); - m->m_data -= iphlen; - m->m_len += iphlen; - goto bad; - } - - if (slirp->restricted) { - goto bad; - } - - /* - * Locate pcb for datagram. - */ - so = solookup(&slirp->udp_last_so, &slirp->udb, &lhost, NULL); - - if (so == NULL) { - /* - * If there's no socket for this packet, - * create one - */ - so = socreate(slirp); - if (!so) { - goto bad; - } - if (udp_attach(so, AF_INET) == -1) { - DEBUG_MISC((dfd," udp_attach errno = %d-%s\n", - errno,strerror(errno))); - sofree(so); - goto bad; - } - - /* - * Setup fields - */ - so->so_lfamily = AF_INET; - so->so_laddr = ip->ip_src; - so->so_lport = uh->uh_sport; - - if ((so->so_iptos = udp_tos(so)) == 0) - so->so_iptos = ip->ip_tos; - - /* - * XXXXX Here, check if it's in udpexec_list, - * and if it is, do the fork_exec() etc. - */ - } - - so->so_ffamily = AF_INET; - so->so_faddr = ip->ip_dst; /* XXX */ - so->so_fport = uh->uh_dport; /* XXX */ - - iphlen += sizeof(struct udphdr); - m->m_len -= iphlen; - m->m_data += iphlen; - - /* - * Now we sendto() the packet. - */ - if(sosendto(so,m) == -1) { - m->m_len += iphlen; - m->m_data -= iphlen; - *ip=save_ip; - DEBUG_MISC((dfd,"udp tx errno = %d-%s\n",errno,strerror(errno))); - icmp_send_error(m, ICMP_UNREACH, ICMP_UNREACH_NET, 0, - strerror(errno)); - goto bad; - } - - m_free(so->so_m); /* used for ICMP if error on sorecvfrom */ - - /* restore the orig mbuf packet */ - m->m_len += iphlen; - m->m_data -= iphlen; - *ip=save_ip; - so->so_m=m; /* ICMP backup */ - - return; -bad: - m_free(m); -} - -int udp_output(struct socket *so, struct mbuf *m, - struct sockaddr_in *saddr, struct sockaddr_in *daddr, - int iptos) -{ - register struct udpiphdr *ui; - int error = 0; - - DEBUG_CALL("udp_output"); - DEBUG_ARG("so = %p", so); - DEBUG_ARG("m = %p", m); - DEBUG_ARG("saddr = %lx", (long)saddr->sin_addr.s_addr); - DEBUG_ARG("daddr = %lx", (long)daddr->sin_addr.s_addr); - - /* - * Adjust for header - */ - m->m_data -= sizeof(struct udpiphdr); - m->m_len += sizeof(struct udpiphdr); - - /* - * Fill in mbuf with extended UDP header - * and addresses and length put into network format. - */ - ui = mtod(m, struct udpiphdr *); - memset(&ui->ui_i.ih_mbuf, 0 , sizeof(struct mbuf_ptr)); - ui->ui_x1 = 0; - ui->ui_pr = IPPROTO_UDP; - ui->ui_len = htons(m->m_len - sizeof(struct ip)); - /* XXXXX Check for from-one-location sockets, or from-any-location sockets */ - ui->ui_src = saddr->sin_addr; - ui->ui_dst = daddr->sin_addr; - ui->ui_sport = saddr->sin_port; - ui->ui_dport = daddr->sin_port; - ui->ui_ulen = ui->ui_len; - - /* - * Stuff checksum and output datagram. - */ - ui->ui_sum = 0; - if ((ui->ui_sum = cksum(m, m->m_len)) == 0) - ui->ui_sum = 0xffff; - ((struct ip *)ui)->ip_len = m->m_len; - - ((struct ip *)ui)->ip_ttl = IPDEFTTL; - ((struct ip *)ui)->ip_tos = iptos; - - error = ip_output(so, m); - - return (error); -} - -int -udp_attach(struct socket *so, unsigned short af) -{ - so->s = qemu_socket(af, SOCK_DGRAM, 0); - if (so->s != -1) { - so->so_expire = curtime + SO_EXPIRE; - insque(so, &so->slirp->udb); - } - return(so->s); -} - -void -udp_detach(struct socket *so) -{ - closesocket(so->s); - sofree(so); -} - -static const struct tos_t udptos[] = { - {0, 53, IPTOS_LOWDELAY, 0}, /* DNS */ - {0, 0, 0, 0} -}; - -static uint8_t -udp_tos(struct socket *so) -{ - int i = 0; - - while(udptos[i].tos) { - if ((udptos[i].fport && ntohs(so->so_fport) == udptos[i].fport) || - (udptos[i].lport && ntohs(so->so_lport) == udptos[i].lport)) { - so->so_emu = udptos[i].emu; - return udptos[i].tos; - } - i++; - } - - return 0; -} - -struct socket * -udp_listen(Slirp *slirp, uint32_t haddr, u_int hport, uint32_t laddr, - u_int lport, int flags) -{ - struct sockaddr_in addr; - struct socket *so; - socklen_t addrlen = sizeof(struct sockaddr_in); - - so = socreate(slirp); - if (!so) { - return NULL; - } - so->s = qemu_socket(AF_INET,SOCK_DGRAM,0); - so->so_expire = curtime + SO_EXPIRE; - insque(so, &slirp->udb); - - addr.sin_family = AF_INET; - addr.sin_addr.s_addr = haddr; - addr.sin_port = hport; - - if (bind(so->s,(struct sockaddr *)&addr, addrlen) < 0) { - udp_detach(so); - return NULL; - } - socket_set_fast_reuse(so->s); - - getsockname(so->s,(struct sockaddr *)&addr,&addrlen); - so->fhost.sin = addr; - sotranslate_accept(so); - so->so_lfamily = AF_INET; - so->so_lport = lport; - so->so_laddr.s_addr = laddr; - if (flags != SS_FACCEPTONCE) - so->so_expire = 0; - - so->so_state &= SS_PERSISTENT_MASK; - so->so_state |= SS_ISFCONNECTED | flags; - - return so; -} |