Commit d5d10bc3 authored by ths's avatar ths

Solaris tap device, by Sittichai Palingsong.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2429 c046a42c-6fe2-441c-8c8c-71466251a162
parent 80265918
......@@ -55,6 +55,21 @@
#include <malloc.h>
#include <linux/rtc.h>
#include <linux/ppdev.h>
#else
#include <sys/stat.h>
#include <sys/ethernet.h>
#include <sys/sockio.h>
#include <arpa/inet.h>
#include <netinet/arp.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h> // must come after ip.h
#include <netinet/udp.h>
#include <netinet/tcp.h>
#include <net/if.h>
#include <syslog.h>
#include <stropts.h>
#endif
#endif
#endif
......@@ -3199,7 +3214,15 @@ static void tap_send(void *opaque)
uint8_t buf[4096];
int size;
#ifdef __sun__
struct strbuf sbuf;
int f = 0;
sbuf.maxlen = sizeof(buf);
sbuf.buf = buf;
size = getmsg(s->fd, NULL, &sbuf, &f) >=0 ? sbuf.len : -1;
#else
size = read(s->fd, buf, sizeof(buf));
#endif
if (size > 0) {
qemu_send_packet(s->vc, buf, size);
}
......@@ -3242,10 +3265,135 @@ static int tap_open(char *ifname, int ifname_size)
return fd;
}
#elif defined(__sun__)
#define TUNNEWPPA (('T'<<16) | 0x0001)
/*
* Allocate TAP device, returns opened fd.
* Stores dev name in the first arg(must be large enough).
*/
int tap_alloc(char *dev)
{
int tap_fd, if_fd, ppa = -1;
static int ip_fd = 0;
char *ptr;
static int arp_fd = 0;
int ip_muxid, arp_muxid;
struct strioctl strioc_if, strioc_ppa;
int link_type = I_PLINK;;
struct lifreq ifr;
char actual_name[32] = "";
memset(&ifr, 0x0, sizeof(ifr));
if( *dev ){
ptr = dev;
while( *ptr && !isdigit((int)*ptr) ) ptr++;
ppa = atoi(ptr);
}
/* Check if IP device was opened */
if( ip_fd )
close(ip_fd);
if( (ip_fd = open("/dev/udp", O_RDWR, 0)) < 0){
syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)");
return -1;
}
if( (tap_fd = open("/dev/tap", O_RDWR, 0)) < 0){
syslog(LOG_ERR, "Can't open /dev/tap");
return -1;
}
/* Assign a new PPA and get its unit number. */
strioc_ppa.ic_cmd = TUNNEWPPA;
strioc_ppa.ic_timout = 0;
strioc_ppa.ic_len = sizeof(ppa);
strioc_ppa.ic_dp = (char *)&ppa;
if ((ppa = ioctl (tap_fd, I_STR, &strioc_ppa)) < 0)
syslog (LOG_ERR, "Can't assign new interface");
if( (if_fd = open("/dev/tap", O_RDWR, 0)) < 0){
syslog(LOG_ERR, "Can't open /dev/tap (2)");
return -1;
}
if(ioctl(if_fd, I_PUSH, "ip") < 0){
syslog(LOG_ERR, "Can't push IP module");
return -1;
}
if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0)
syslog(LOG_ERR, "Can't get flags\n");
snprintf (actual_name, 32, "tap%d", ppa);
strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
ifr.lifr_ppa = ppa;
/* Assign ppa according to the unit number returned by tun device */
if (ioctl (if_fd, SIOCSLIFNAME, &ifr) < 0)
syslog (LOG_ERR, "Can't set PPA %d", ppa);
if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0)
syslog (LOG_ERR, "Can't get flags\n");
/* Push arp module to if_fd */
if (ioctl (if_fd, I_PUSH, "arp") < 0)
syslog (LOG_ERR, "Can't push ARP module (2)");
/* Push arp module to ip_fd */
if (ioctl (ip_fd, I_POP, NULL) < 0)
syslog (LOG_ERR, "I_POP failed\n");
if (ioctl (ip_fd, I_PUSH, "arp") < 0)
syslog (LOG_ERR, "Can't push ARP module (3)\n");
/* Open arp_fd */
if ((arp_fd = open ("/dev/tap", O_RDWR, 0)) < 0)
syslog (LOG_ERR, "Can't open %s\n", "/dev/tap");
/* Set ifname to arp */
strioc_if.ic_cmd = SIOCSLIFNAME;
strioc_if.ic_timout = 0;
strioc_if.ic_len = sizeof(ifr);
strioc_if.ic_dp = (char *)&ifr;
if (ioctl(arp_fd, I_STR, &strioc_if) < 0){
syslog (LOG_ERR, "Can't set ifname to arp\n");
}
if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){
syslog(LOG_ERR, "Can't link TAP device to IP");
return -1;
}
if ((arp_muxid = ioctl (ip_fd, link_type, arp_fd)) < 0)
syslog (LOG_ERR, "Can't link TAP device to ARP");
close (if_fd);
memset(&ifr, 0x0, sizeof(ifr));
strncpy (ifr.lifr_name, actual_name, sizeof (ifr.lifr_name));
ifr.lifr_ip_muxid = ip_muxid;
ifr.lifr_arp_muxid = arp_muxid;
if (ioctl (ip_fd, SIOCSLIFMUXID, &ifr) < 0)
{
ioctl (ip_fd, I_PUNLINK , arp_muxid);
ioctl (ip_fd, I_PUNLINK, ip_muxid);
syslog (LOG_ERR, "Can't set multiplexor id");
}
sprintf(dev, "tap%d", ppa);
return tap_fd;
}
static int tap_open(char *ifname, int ifname_size)
{
fprintf(stderr, "warning: tap_open not yet implemented\n");
return -1;
char dev[10]="";
int fd;
if( (fd = tap_alloc(dev)) < 0 ){
fprintf(stderr, "Cannot allocate TAP device\n");
return -1;
}
pstrcpy(ifname, ifname_size, dev);
fcntl(fd, F_SETFL, O_NONBLOCK);
return fd;
}
#else
static int tap_open(char *ifname, int ifname_size)
......
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