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

# gpg: Signature made Tue 05 Mar 2019 07:06:28 GMT
# gpg:                using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request:
  tests: Add a test for qemu self announcements
  hmp: Add hmp_announce_self
  qmp: Add announce-self command
  virtio-net: Allow qemu_announce_self to trigger virtio announcements
  net: Add a network device specific self-announcement ability
  migration: Switch to using announce timer
  virtio-net: Switch to using announce timer
  migration: Add announce parameters
  net: Introduce announce timer
  net: netmap: improve netmap_receive_iov()
  net: netmap: simplify netmap_receive()
  net: netmap: small improvements netmap_send()
  net/colo-compare.c: Remove duplicated code

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

1 files changed, 16 insertions, 0 deletions

diff --git a/hmp-commands.hx b/hmp-commands.hx
index e5fbc2ca59..9b4035965c 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -939,6 +939,22 @@ stops because the size limit is reached.
 ETEXI
 
     {
+        .name       = "announce_self",
+        .args_type  = "",
+        .params     = "",
+        .help       = "Trigger GARP/RARP announcements",
+        .cmd        = hmp_announce_self,
+    },
+
+STEXI
+@item announce_self
+@findex announce_self
+Trigger a round of GARP/RARP broadcasts; this is useful for explicitly updating the
+network infrastructure after a reconfiguration or some forms of migration.
+The timings of the round are set by the migration announce parameters.
+ETEXI
+
+    {
         .name       = "migrate",
         .args_type  = "detach:-d,blk:-b,inc:-i,resume:-r,uri:s",
         .params     = "[-d] [-b] [-i] [-r] uri",