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

# gpg: Signature made Tue 15 Nov 2016 07:37:27 AM GMT
# gpg:                using RSA key 0xEF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
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* jasowang/tags/net-pull-request:
  docs: fix COLO architecture diagram
  net: fix sending of data with -net socket, listen backend
  net: skip virtio-net config of deleted nic's peers

Message-id: 1479195830-4725-1-git-send-email-jasowang@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2016-11-15 12:07:53 +00:00
parent 1ed9bd12c8 a38299bf43
commit 97e53cf82c
4 changed files with 44 additions and 38 deletions
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72
docs/COLO-FT.txt
View file

@ -41,41 +41,43 @@ identical responses to all client requests. Once the differences in the outputs
are detected between the PVM and SVM, COLO withholds transmission of the
outbound packets until it has successfully synchronized the PVM state to the SVM.
Primary Node Secondary Node
+------------+ +-----------------------+ +------------------------+ +------------+
| | | HeartBeat |<----->| HeartBeat | | |
| Primary VM | +-----------|-----------+ +-----------|------------+ |Secondary VM|
| | | | | |
| | +-----------|-----------+ +-----------|------------+ | |
| | |QEMU +---v----+ | |QEMU +----v---+ | | |
| | | |Failover| | | |Failover| | | |
| | | +--------+ | | +--------+ | | |
| | | +---------------+ | | +---------------+ | | |
| | | | VM Checkpoint |-------------->| VM Checkpoint | | | |
| | | +---------------+ | | +---------------+ | | |
| | | | | | | |
|Requests<---------------------------^------------------------------------------>Requests|
|Responses----------------------\ /--|--------------\ /------------------------Responses|
| | | | | | | | | | | | |
| | | +-----------+ | | | | | | | +------------+ | | |
| | | | COLO disk | | | | | | | | | COLO disk | | | |
| | | | Manager |-|-|--|--------------|--|->| Manager | | | |
| | | +|----------+ | | | | | | | +-----------|+ | | |
| | | | | | | | | | | | | | |
+------------+ +--|------------|-|--|--+ +---|--|--------------|--+ +------------+
| | | | | | |
+-------------+ | +----------v-v--|--+ +---|--v-----------+ | +-------------+
| VM Monitor | | | COLO Proxy | | COLO Proxy | | | VM Monitor |
| | | |(compare packet) | | (adjust sequence)| | | |
+-------------+ | +----------|----^--+ +------------------+ | +-------------+
| | | |
+------------------|------------|----|--+ +---------------------|------------------+
| Kernel | | | | | Kernel | |
+------------------|------------|----|--+ +---------------------|------------------+
| | | |
+--------------v+ +--------v----|--+ +------------------+ +v-------------+
| Storage | |External Network| | External Network | | Storage |
+---------------+ +----------------+ +------------------+ +--------------+
Primary Node Secondary Node
+------------+ +-----------------------+ +------------------------+ +------------+
| | | HeartBeat +<----->+ HeartBeat | | |
| Primary VM | +-----------+-----------+ +-----------+------------+ |Secondary VM|
| | | | | |
| | +-----------|-----------+ +-----------|------------+ | |
| | |QEMU +---v----+ | |QEMU +----v---+ | | |
| | | |Failover| | | |Failover| | | |
| | | +--------+ | | +--------+ | | |
| | | +---------------+ | | +---------------+ | | |
| | | | VM Checkpoint +-------------->+ VM Checkpoint | | | |
| | | +---------------+ | | +---------------+ | | |
|Requests<--------------------------\ /-----------------\ /--------------------->Requests|
| | | ^ ^ | | | | | | |
|Responses+---------------------\ /-|-|------------\ /-------------------------+Responses|
| | | | | | | | | | | | | | | |
| | | +-----------+ | | | | | | | | | | +----------+ | | |
| | | | COLO disk | | | | | | | | | | | | COLO disk| | | |
| | | | Manager +---------------------------->| Manager | | | |
| | | ++----------+ v v | | | | | v v | +---------++ | | |
| | | |+-----------+-+-+-++| | ++-+--+-+---------+ | | | |
| | | || COLO Proxy || | | COLO Proxy | | | | |
| | | || (compare packet || | |(adjust sequence | | | | |
| | | ||and mirror packet)|| | | and ACK) | | | | |
| | | |+------------+---+-+| | +-----------------+ | | | |
+------------+ +-----------------------+ +------------------------+ +------------+
+------------+ | | | | +------------+
| VM Monitor | | | | | | VM Monitor |
+------------+ | | | | +------------+
+---------------------------------------+ +----------------------------------------+
| Kernel | | | | | Kernel | |
+---------------------------------------+ +----------------------------------------+
| | | |
+--------------v+ +---------v---+--+ +------------------+ +v-------------+
| Storage | |External Network| | External Network | | Storage |
+---------------+ +----------------+ +------------------+ +--------------+
== Components introduction ==

4
hw/net/virtio-net.c
View file

@ -508,6 +508,10 @@ static void virtio_net_set_queues(VirtIONet *n)
int i;
int r;
if (n->nic->peer_deleted) {
return;
}
for (i = 0; i < n->max_queues; i++) {
if (i < n->curr_queues) {
r = peer_attach(n, i);

5
net/net.c
View file

@ -1653,9 +1653,8 @@ int net_fill_rstate(SocketReadState *rs, const uint8_t *buf, int size)
if (rs->index >= rs->packet_len) {
rs->index = 0;
rs->state = 0;
if (rs->finalize) {
rs->finalize(rs);
}
assert(rs->finalize);
rs->finalize(rs);
}
break;
}

1
net/socket.c
View file

@ -511,6 +511,7 @@ static int net_socket_listen_init(NetClientState *peer,
s->fd = -1;
s->listen_fd = ret;
s->nc.link_down = true;
net_socket_rs_init(&s->rs, net_socket_rs_finalize);
qemu_set_fd_handler(s->listen_fd, net_socket_accept, NULL, s);
qapi_free_SocketAddress(saddr);