Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging

# gpg: Signature made Fri Jun 12 13:57:20 2015 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/net-pull-request:
  qmp/hmp: add rocker device support
  rocker: bring link up/down on PHY enable/disable
  rocker: update tests using hw-derived interface names
  rocker: Add support for phys name
  iohandler: Change return type of qemu_set_fd_handler to "void"
  event-notifier: Always return 0 for posix implementation
  xen_backend: Remove unused error handling of qemu_set_fd_handler
  oss: Remove unused error handling of qemu_set_fd_handler
  alsaaudio: Remove unused error handling of qemu_set_fd_handler
  main-loop: Drop qemu_set_fd_handler2
  Change qemu_set_fd_handler2(..., NULL, ...) to qemu_set_fd_handler
  tap: Drop tap_can_send
  net/socket: Drop net_socket_can_send
  netmap: Drop netmap_can_send
  l2tpv3: Drop l2tpv3_can_send
  stubs: Add qemu_set_fd_handler

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 5 insertions, 14 deletions

diff --git a/net/tap.c b/net/tap.c
index d1ca314dcf..aa8b3f5c8c 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -62,17 +62,15 @@ typedef struct TAPState {
 static void launch_script(const char *setup_script, const char *ifname,
                           int fd, Error **errp);
 
-static int tap_can_send(void *opaque);
 static void tap_send(void *opaque);
 static void tap_writable(void *opaque);
 
 static void tap_update_fd_handler(TAPState *s)
 {
-    qemu_set_fd_handler2(s->fd,
-                         s->read_poll && s->enabled ? tap_can_send : NULL,
-                         s->read_poll && s->enabled ? tap_send     : NULL,
-                         s->write_poll && s->enabled ? tap_writable : NULL,
-                         s);
+    qemu_set_fd_handler(s->fd,
+                        s->read_poll && s->enabled ? tap_send : NULL,
+                        s->write_poll && s->enabled ? tap_writable : NULL,
+                        s);
 }
 
 static void tap_read_poll(TAPState *s, bool enable)
@@ -166,13 +164,6 @@ static ssize_t tap_receive(NetClientState *nc, const uint8_t *buf, size_t size)
     return tap_write_packet(s, iov, 1);
 }
 
-static int tap_can_send(void *opaque)
-{
-    TAPState *s = opaque;
-
-    return qemu_can_send_packet(&s->nc);
-}
-
 #ifndef __sun__
 ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
 {
@@ -192,7 +183,7 @@ static void tap_send(void *opaque)
     int size;
     int packets = 0;
 
-    while (qemu_can_send_packet(&s->nc)) {
+    while (true) {
         uint8_t *buf = s->buf;
 
         size = tap_read_packet(s->fd, s->buf, sizeof(s->buf));