Patchwork [08/15] net: move solaris code to net/tap-solaris.c

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Submitter Mark McLoughlin
Date Oct. 22, 2009, 4:49 p.m.
Message ID <1256230156-29652-9-git-send-email-markmc@redhat.com>
Download mbox | patch
Permalink /patch/36724/
State New
Headers show

Comments

Mark McLoughlin - Oct. 22, 2009, 4:49 p.m.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
---
 Makefile          |    1 +
 net/tap-solaris.c |  185 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 net/tap.c         |  168 +-----------------------------------------------
 net/tap.h         |    2 +
 4 files changed, 191 insertions(+), 165 deletions(-)
 create mode 100644 net/tap-solaris.c

Patch

diff --git a/Makefile b/Makefile
index a29c486..5918213 100644
--- a/Makefile
+++ b/Makefile
@@ -91,6 +91,7 @@  net-nested-y = queue.o checksum.o
 net-nested-$(CONFIG_POSIX) += tap.o
 net-nested-$(CONFIG_WIN32) += tap-win32.o
 net-nested-$(CONFIG_BSD) += tap-bsd.o
+net-nested-$(CONFIG_SOLARIS) += tap-solaris.o
 net-obj-y += $(addprefix net/, $(net-nested-y))
 
 ######################################################################
diff --git a/net/tap-solaris.c b/net/tap-solaris.c
new file mode 100644
index 0000000..0dd5b68
--- /dev/null
+++ b/net/tap-solaris.c
@@ -0,0 +1,185 @@ 
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "net/tap.h"
+
+#include <sys/stat.h>
+#include <sys/ethernet.h>
+#include <sys/sockio.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>
+
+ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
+{
+    struct strbuf sbuf;
+    int f = 0;
+
+    sbuf.maxlen = maxlen;
+    sbuf.buf = (char *)buf;
+
+    return getmsg(tapfd, NULL, &sbuf, &f) >= 0 ? sbuf.len : -1;
+}
+
+#define TUNNEWPPA       (('T'<<16) | 0x0001)
+/*
+ * 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)
+{
+    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 && !qemu_isdigit((int)*ptr) ) ptr++;
+       ppa = atoi(ptr);
+    }
+
+    /* Check if IP device was opened */
+    if( ip_fd )
+       close(ip_fd);
+
+    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;
+    }
+
+    TFR(tap_fd = open("/dev/tap", O_RDWR, 0));
+    if (tap_fd < 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");
+
+    TFR(if_fd = open("/dev/tap", O_RDWR, 0));
+    if (if_fd < 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);
+    pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_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 */
+    TFR(arp_fd = open ("/dev/tap", O_RDWR, 0));
+    if (arp_fd < 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));
+    pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_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");
+    }
+
+    snprintf(dev, dev_size, "tap%d", ppa);
+    return tap_fd;
+}
+
+int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required)
+{
+    char  dev[10]="";
+    int fd;
+    if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){
+       fprintf(stderr, "Cannot allocate TAP device\n");
+       return -1;
+    }
+    pstrcpy(ifname, ifname_size, dev);
+    fcntl(fd, F_SETFL, O_NONBLOCK);
+    return fd;
+}
diff --git a/net/tap.c b/net/tap.c
index 64553ab..056fefe 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -42,22 +42,6 @@ 
 #include "net/tap-linux.h"
 #endif
 
-#ifdef __sun__
-#include <sys/stat.h>
-#include <sys/ethernet.h>
-#include <sys/sockio.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
-
 #if !defined(_AIX)
 
 /* Maximum GSO packet size (64k) plus plenty of room for
@@ -191,19 +175,8 @@  static int tap_can_send(void *opaque)
     return qemu_can_send_packet(s->vc);
 }
 
-#ifdef __sun__
-static ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
-{
-    struct strbuf sbuf;
-    int f = 0;
-
-    sbuf.maxlen = maxlen;
-    sbuf.buf = (char *)buf;
-
-    return getmsg(tapfd, NULL, &sbuf, &f) >= 0 ? sbuf.len : -1;
-}
-#else
-static ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
+#ifndef __sun__
+ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
 {
     return read(tapfd, buf, maxlen);
 }
@@ -376,142 +349,7 @@  static TAPState *net_tap_fd_init(VLANState *vlan,
     return s;
 }
 
-#ifdef __sun__
-#define TUNNEWPPA       (('T'<<16) | 0x0001)
-/*
- * 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)
-{
-    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 && !qemu_isdigit((int)*ptr) ) ptr++;
-       ppa = atoi(ptr);
-    }
-
-    /* Check if IP device was opened */
-    if( ip_fd )
-       close(ip_fd);
-
-    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;
-    }
-
-    TFR(tap_fd = open("/dev/tap", O_RDWR, 0));
-    if (tap_fd < 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");
-
-    TFR(if_fd = open("/dev/tap", O_RDWR, 0));
-    if (if_fd < 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);
-    pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_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 */
-    TFR(arp_fd = open ("/dev/tap", O_RDWR, 0));
-    if (arp_fd < 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));
-    pstrcpy(ifr.lifr_name, sizeof(ifr.lifr_name), actual_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");
-    }
-
-    snprintf(dev, dev_size, "tap%d", ppa);
-    return tap_fd;
-}
-
-int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required)
-{
-    char  dev[10]="";
-    int fd;
-    if( (fd = tap_alloc(dev, sizeof(dev))) < 0 ){
-       fprintf(stderr, "Cannot allocate TAP device\n");
-       return -1;
-    }
-    pstrcpy(ifname, ifname_size, dev);
-    fcntl(fd, F_SETFL, O_NONBLOCK);
-    return fd;
-}
-#elif defined (_AIX)
+#ifdef _AIX
 int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required)
 {
     fprintf (stderr, "no tap on AIX\n");
diff --git a/net/tap.h b/net/tap.h
index 5d32de5..5648ddd 100644
--- a/net/tap.h
+++ b/net/tap.h
@@ -36,6 +36,8 @@  int net_init_tap(QemuOpts *opts, Monitor *mon, const char *name, VLANState *vlan
 
 int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required);
 
+ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen);
+
 int tap_has_ufo(VLANClientState *vc);
 int tap_has_vnet_hdr(VLANClientState *vc);
 void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr);