diff options
Diffstat (limited to 'net/tap-solaris.c')
| -rw-r--r-- | net/tap-solaris.c | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/net/tap-solaris.c b/net/tap-solaris.c index 079046bab8..90b2fd12f1 100644 --- a/net/tap-solaris.c +++ b/net/tap-solaris.c @@ -36,7 +36,6 @@ #include <netinet/udp.h> #include <netinet/tcp.h> #include <net/if.h> -#include <syslog.h> #include <stropts.h> #include "qemu/error-report.h" @@ -56,8 +55,10 @@ ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen) * Allocate TAP device, returns opened fd. * Stores dev name in the first arg(must be large enough). */ -static int tap_alloc(char *dev, size_t dev_size) +static int tap_alloc(char *dev, size_t dev_size, Error **errp) { + /* FIXME leaks like a sieve on error paths */ + /* FIXME suspicious: many errors are reported, then ignored */ int tap_fd, if_fd, ppa = -1; static int ip_fd = 0; char *ptr; @@ -83,14 +84,14 @@ static int tap_alloc(char *dev, size_t dev_size) TFR(ip_fd = open("/dev/udp", O_RDWR, 0)); if (ip_fd < 0) { - syslog(LOG_ERR, "Can't open /dev/ip (actually /dev/udp)"); - return -1; + error_setg(errp, "Can't open /dev/ip (actually /dev/udp)"); + return -1; } TFR(tap_fd = open("/dev/tap", O_RDWR, 0)); if (tap_fd < 0) { - syslog(LOG_ERR, "Can't open /dev/tap"); - return -1; + error_setg(errp, "Can't open /dev/tap"); + return -1; } /* Assign a new PPA and get its unit number. */ @@ -99,20 +100,20 @@ static int tap_alloc(char *dev, size_t dev_size) 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"); + error_report("Can't assign new interface"); TFR(if_fd = open("/dev/tap", O_RDWR, 0)); if (if_fd < 0) { - syslog(LOG_ERR, "Can't open /dev/tap (2)"); - return -1; + error_setg(errp, "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; + error_setg(errp, "Can't push IP module"); + return -1; } if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) < 0) - syslog(LOG_ERR, "Can't get flags\n"); + error_report("Can't get flags"); snprintf (actual_name, 32, "tap%d", ppa); pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_name); @@ -121,22 +122,22 @@ static int tap_alloc(char *dev, size_t dev_size) /* 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); + error_report("Can't set PPA %d", ppa); if (ioctl(if_fd, SIOCGLIFFLAGS, &ifr) <0) - syslog (LOG_ERR, "Can't get flags\n"); + error_report("Can't get flags"); /* Push arp module to if_fd */ if (ioctl (if_fd, I_PUSH, "arp") < 0) - syslog (LOG_ERR, "Can't push ARP module (2)"); + error_report("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"); + error_report("I_POP failed"); if (ioctl (ip_fd, I_PUSH, "arp") < 0) - syslog (LOG_ERR, "Can't push ARP module (3)\n"); + error_report("Can't push ARP module (3)"); /* Open arp_fd */ TFR(arp_fd = open ("/dev/tap", O_RDWR, 0)); if (arp_fd < 0) - syslog (LOG_ERR, "Can't open %s\n", "/dev/tap"); + error_report("Can't open %s", "/dev/tap"); /* Set ifname to arp */ strioc_if.ic_cmd = SIOCSLIFNAME; @@ -144,16 +145,16 @@ static int tap_alloc(char *dev, size_t dev_size) strioc_if.ic_len = sizeof(ifr); strioc_if.ic_dp = (char *)𝔦 if (ioctl(arp_fd, I_STR, &strioc_if) < 0){ - syslog (LOG_ERR, "Can't set ifname to arp\n"); + error_report("Can't set ifname to arp"); } if((ip_muxid = ioctl(ip_fd, I_LINK, if_fd)) < 0){ - syslog(LOG_ERR, "Can't link TAP device to IP"); - return -1; + error_setg(errp, "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"); + error_report("Can't link TAP device to ARP"); close (if_fd); @@ -166,7 +167,7 @@ static int tap_alloc(char *dev, size_t dev_size) { ioctl (ip_fd, I_PUNLINK , arp_muxid); ioctl (ip_fd, I_PUNLINK, ip_muxid); - syslog (LOG_ERR, "Can't set multiplexor id"); + error_report("Can't set multiplexor id"); } snprintf(dev, dev_size, "tap%d", ppa); @@ -176,12 +177,12 @@ static int tap_alloc(char *dev, size_t dev_size) int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required, int mq_required, Error **errp) { - /* FIXME error_setg(errp, ...) on failure */ char dev[10]=""; int fd; - if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){ - fprintf(stderr, "Cannot allocate TAP device\n"); - return -1; + + fd = tap_alloc(dev, sizeof(dev), errp); + if (fd < 0) { + return -1; } pstrcpy(ifname, ifname_size, dev); if (*vnet_hdr) { @@ -189,8 +190,8 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, *vnet_hdr = 0; if (vnet_hdr_required && !*vnet_hdr) { - error_report("vnet_hdr=1 requested, but no kernel " - "support for IFF_VNET_HDR available"); + error_setg(errp, "vnet_hdr=1 requested, but no kernel " + "support for IFF_VNET_HDR available"); close(fd); return -1; } |