aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLaszlo Ersek <lersek@redhat.com>2012-07-17 16:17:19 +0200
committerStefan Hajnoczi <stefanha@linux.vnet.ibm.com>2012-07-23 11:55:18 +0100
commit08c573a8d14893518df412c68541aae5b7091982 (patch)
treeeaf5cf5a59f740f9929781c7bf2a2dcf79aaf06f
parent4a917c39aed9ad7f648c435204a6586c4ca3f2f2 (diff)
downloadqemu-arm-08c573a8d14893518df412c68541aae5b7091982.tar.gz
convert net_init_tap() to NetClientOptions
Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
-rw-r--r--net/tap-aix.c2
-rw-r--r--net/tap-bsd.c2
-rw-r--r--net/tap-haiku.c2
-rw-r--r--net/tap-linux.c9
-rw-r--r--net/tap-solaris.c2
-rw-r--r--net/tap-win32.c11
-rw-r--r--net/tap.c111
-rw-r--r--net/tap.h2
8 files changed, 71 insertions, 70 deletions
diff --git a/net/tap-aix.c b/net/tap-aix.c
index e19aaba110..f27c17729e 100644
--- a/net/tap-aix.c
+++ b/net/tap-aix.c
@@ -31,7 +31,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required
return -1;
}
-int tap_set_sndbuf(int fd, QemuOpts *opts)
+int tap_set_sndbuf(int fd, const NetdevTapOptions *tap)
{
return 0;
}
diff --git a/net/tap-bsd.c b/net/tap-bsd.c
index 937a94b11f..a3b717dd1c 100644
--- a/net/tap-bsd.c
+++ b/net/tap-bsd.c
@@ -117,7 +117,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required
return fd;
}
-int tap_set_sndbuf(int fd, QemuOpts *opts)
+int tap_set_sndbuf(int fd, const NetdevTapOptions *tap)
{
return 0;
}
diff --git a/net/tap-haiku.c b/net/tap-haiku.c
index 91dda8ebc0..34739d1562 100644
--- a/net/tap-haiku.c
+++ b/net/tap-haiku.c
@@ -31,7 +31,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required
return -1;
}
-int tap_set_sndbuf(int fd, QemuOpts *opts)
+int tap_set_sndbuf(int fd, const NetdevTapOptions *tap)
{
return 0;
}
diff --git a/net/tap-linux.c b/net/tap-linux.c
index 41d581b734..c6521bec34 100644
--- a/net/tap-linux.c
+++ b/net/tap-linux.c
@@ -98,16 +98,19 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required
*/
#define TAP_DEFAULT_SNDBUF 0
-int tap_set_sndbuf(int fd, QemuOpts *opts)
+int tap_set_sndbuf(int fd, const NetdevTapOptions *tap)
{
int sndbuf;
- sndbuf = qemu_opt_get_size(opts, "sndbuf", TAP_DEFAULT_SNDBUF);
+ sndbuf = !tap->has_sndbuf ? TAP_DEFAULT_SNDBUF :
+ tap->sndbuf > INT_MAX ? INT_MAX :
+ tap->sndbuf;
+
if (!sndbuf) {
sndbuf = INT_MAX;
}
- if (ioctl(fd, TUNSETSNDBUF, &sndbuf) == -1 && qemu_opt_get(opts, "sndbuf")) {
+ if (ioctl(fd, TUNSETSNDBUF, &sndbuf) == -1 && tap->has_sndbuf) {
error_report("TUNSETSNDBUF ioctl failed: %s", strerror(errno));
return -1;
}
diff --git a/net/tap-solaris.c b/net/tap-solaris.c
index cf764634ef..5d6ac42f24 100644
--- a/net/tap-solaris.c
+++ b/net/tap-solaris.c
@@ -197,7 +197,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required
return fd;
}
-int tap_set_sndbuf(int fd, QemuOpts *opts)
+int tap_set_sndbuf(int fd, const NetdevTapOptions *tap)
{
return 0;
}
diff --git a/net/tap-win32.c b/net/tap-win32.c
index b738f45bd6..b6099cd847 100644
--- a/net/tap-win32.c
+++ b/net/tap-win32.c
@@ -699,19 +699,20 @@ static int tap_win32_init(VLANState *vlan, const char *model,
return 0;
}
-int net_init_tap(QemuOpts *opts, const NetClientOptions *new_opts,
+int net_init_tap(QemuOpts *old_opts, const NetClientOptions *opts,
const char *name, VLANState *vlan)
{
- const char *ifname;
+ const NetdevTapOptions *tap;
- ifname = qemu_opt_get(opts, "ifname");
+ assert(opts->kind == NET_CLIENT_OPTIONS_KIND_TAP);
+ tap = opts->tap;
- if (!ifname) {
+ if (!tap->has_ifname) {
error_report("tap: no interface name");
return -1;
}
- if (tap_win32_init(vlan, "tap", name, ifname) == -1) {
+ if (tap_win32_init(vlan, "tap", name, tap->ifname) == -1) {
return -1;
}
diff --git a/net/tap.c b/net/tap.c
index 0fc856c0b4..c5563c0b4e 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -548,29 +548,32 @@ int net_init_bridge(QemuOpts *opts, const NetClientOptions *new_opts,
return 0;
}
-static int net_tap_init(QemuOpts *opts, int *vnet_hdr)
+static int net_tap_init(const NetdevTapOptions *tap, int *vnet_hdr,
+ const char *setup_script, char *ifname,
+ size_t ifname_sz)
{
int fd, vnet_hdr_required;
- char ifname[128] = {0,};
- const char *setup_script;
- if (qemu_opt_get(opts, "ifname")) {
- pstrcpy(ifname, sizeof(ifname), qemu_opt_get(opts, "ifname"));
+ if (tap->has_ifname) {
+ pstrcpy(ifname, ifname_sz, tap->ifname);
+ } else {
+ assert(ifname_sz > 0);
+ ifname[0] = '\0';
}
- *vnet_hdr = qemu_opt_get_bool(opts, "vnet_hdr", 1);
- if (qemu_opt_get(opts, "vnet_hdr")) {
+ if (tap->has_vnet_hdr) {
+ *vnet_hdr = tap->vnet_hdr;
vnet_hdr_required = *vnet_hdr;
} else {
+ *vnet_hdr = 1;
vnet_hdr_required = 0;
}
- TFR(fd = tap_open(ifname, sizeof(ifname), vnet_hdr, vnet_hdr_required));
+ TFR(fd = tap_open(ifname, ifname_sz, vnet_hdr, vnet_hdr_required));
if (fd < 0) {
return -1;
}
- setup_script = qemu_opt_get(opts, "script");
if (setup_script &&
setup_script[0] != '\0' &&
strcmp(setup_script, "no") != 0 &&
@@ -579,30 +582,34 @@ static int net_tap_init(QemuOpts *opts, int *vnet_hdr)
return -1;
}
- qemu_opt_set(opts, "ifname", ifname);
-
return fd;
}
-int net_init_tap(QemuOpts *opts, const NetClientOptions *new_opts,
+int net_init_tap(QemuOpts *old_opts, const NetClientOptions *opts,
const char *name, VLANState *vlan)
{
- TAPState *s;
+ const NetdevTapOptions *tap;
+
int fd, vnet_hdr = 0;
const char *model;
+ TAPState *s;
+
+ /* for the no-fd, no-helper case */
+ const char *script = NULL; /* suppress wrong "uninit'd use" gcc warning */
+ char ifname[128];
+
+ assert(opts->kind == NET_CLIENT_OPTIONS_KIND_TAP);
+ tap = opts->tap;
- if (qemu_opt_get(opts, "fd")) {
- if (qemu_opt_get(opts, "ifname") ||
- qemu_opt_get(opts, "script") ||
- qemu_opt_get(opts, "downscript") ||
- qemu_opt_get(opts, "vnet_hdr") ||
- qemu_opt_get(opts, "helper")) {
+ if (tap->has_fd) {
+ if (tap->has_ifname || tap->has_script || tap->has_downscript ||
+ tap->has_vnet_hdr || tap->has_helper) {
error_report("ifname=, script=, downscript=, vnet_hdr=, "
"and helper= are invalid with fd=");
return -1;
}
- fd = net_handle_fd_param(cur_mon, qemu_opt_get(opts, "fd"));
+ fd = net_handle_fd_param(cur_mon, tap->fd);
if (fd == -1) {
return -1;
}
@@ -613,18 +620,15 @@ int net_init_tap(QemuOpts *opts, const NetClientOptions *new_opts,
model = "tap";
- } else if (qemu_opt_get(opts, "helper")) {
- if (qemu_opt_get(opts, "ifname") ||
- qemu_opt_get(opts, "script") ||
- qemu_opt_get(opts, "downscript") ||
- qemu_opt_get(opts, "vnet_hdr")) {
+ } else if (tap->has_helper) {
+ if (tap->has_ifname || tap->has_script || tap->has_downscript ||
+ tap->has_vnet_hdr) {
error_report("ifname=, script=, downscript=, and vnet_hdr= "
"are invalid with helper=");
return -1;
}
- fd = net_bridge_run_helper(qemu_opt_get(opts, "helper"),
- DEFAULT_BRIDGE_INTERFACE);
+ fd = net_bridge_run_helper(tap->helper, DEFAULT_BRIDGE_INTERFACE);
if (fd == -1) {
return -1;
}
@@ -636,15 +640,8 @@ int net_init_tap(QemuOpts *opts, const NetClientOptions *new_opts,
model = "bridge";
} else {
- if (!qemu_opt_get(opts, "script")) {
- qemu_opt_set(opts, "script", DEFAULT_NETWORK_SCRIPT);
- }
-
- if (!qemu_opt_get(opts, "downscript")) {
- qemu_opt_set(opts, "downscript", DEFAULT_NETWORK_DOWN_SCRIPT);
- }
-
- fd = net_tap_init(opts, &vnet_hdr);
+ script = tap->has_script ? tap->script : DEFAULT_NETWORK_SCRIPT;
+ fd = net_tap_init(tap, &vnet_hdr, script, ifname, sizeof ifname);
if (fd == -1) {
return -1;
}
@@ -658,25 +655,24 @@ int net_init_tap(QemuOpts *opts, const NetClientOptions *new_opts,
return -1;
}
- if (tap_set_sndbuf(s->fd, opts) < 0) {
+ if (tap_set_sndbuf(s->fd, tap) < 0) {
return -1;
}
- if (qemu_opt_get(opts, "fd")) {
+ if (tap->has_fd) {
snprintf(s->nc.info_str, sizeof(s->nc.info_str), "fd=%d", fd);
- } else if (qemu_opt_get(opts, "helper")) {
- snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "helper=%s", qemu_opt_get(opts, "helper"));
+ } else if (tap->has_helper) {
+ snprintf(s->nc.info_str, sizeof(s->nc.info_str), "helper=%s",
+ tap->helper);
} else {
- const char *ifname, *script, *downscript;
+ const char *downscript;
- ifname = qemu_opt_get(opts, "ifname");
- script = qemu_opt_get(opts, "script");
- downscript = qemu_opt_get(opts, "downscript");
+ downscript = tap->has_downscript ? tap->downscript :
+ DEFAULT_NETWORK_DOWN_SCRIPT;
snprintf(s->nc.info_str, sizeof(s->nc.info_str),
- "ifname=%s,script=%s,downscript=%s",
- ifname, script, downscript);
+ "ifname=%s,script=%s,downscript=%s", ifname, script,
+ downscript);
if (strcmp(downscript, "no") != 0) {
snprintf(s->down_script, sizeof(s->down_script), "%s", downscript);
@@ -684,25 +680,26 @@ int net_init_tap(QemuOpts *opts, const NetClientOptions *new_opts,
}
}
- if (qemu_opt_get_bool(opts, "vhost", !!qemu_opt_get(opts, "vhostfd") ||
- qemu_opt_get_bool(opts, "vhostforce", false))) {
- int vhostfd, r;
- bool force = qemu_opt_get_bool(opts, "vhostforce", false);
- if (qemu_opt_get(opts, "vhostfd")) {
- r = net_handle_fd_param(cur_mon, qemu_opt_get(opts, "vhostfd"));
- if (r == -1) {
+ if (tap->has_vhost ? tap->vhost :
+ tap->has_vhostfd || (tap->has_vhostforce && tap->vhostforce)) {
+ int vhostfd;
+
+ if (tap->has_vhostfd) {
+ vhostfd = net_handle_fd_param(cur_mon, tap->vhostfd);
+ if (vhostfd == -1) {
return -1;
}
- vhostfd = r;
} else {
vhostfd = -1;
}
- s->vhost_net = vhost_net_init(&s->nc, vhostfd, force);
+
+ s->vhost_net = vhost_net_init(&s->nc, vhostfd,
+ tap->has_vhostforce && tap->vhostforce);
if (!s->vhost_net) {
error_report("vhost-net requested but could not be initialized");
return -1;
}
- } else if (qemu_opt_get(opts, "vhostfd")) {
+ } else if (tap->has_vhostfd) {
error_report("vhostfd= is not valid without vhost");
return -1;
}
diff --git a/net/tap.h b/net/tap.h
index 44e31cefa9..f092129cef 100644
--- a/net/tap.h
+++ b/net/tap.h
@@ -47,7 +47,7 @@ void tap_using_vnet_hdr(VLANClientState *vc, int using_vnet_hdr);
void tap_set_offload(VLANClientState *vc, int csum, int tso4, int tso6, int ecn, int ufo);
void tap_set_vnet_hdr_len(VLANClientState *vc, int len);
-int tap_set_sndbuf(int fd, QemuOpts *opts);
+int tap_set_sndbuf(int fd, const NetdevTapOptions *tap);
int tap_probe_vnet_hdr(int fd);
int tap_probe_vnet_hdr_len(int fd, int len);
int tap_probe_has_ufo(int fd);