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vhost_net: Add NetClientInfo stop callback 

Used by the backend to perform actions after the device is stopped.

In particular, vdpa net use it to unmap CVQ buffers to the device,
cleaning the actions performed in prepare().

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
master
Eugenio Pérez 2022-08-23 20:30:31 +02:00 committed by Jason Wang
parent eb92b75380
commit c5e5269d8a
2 changed files with 5 additions and 0 deletions
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3
hw/net/vhost_net.c
View File

@ -320,6 +320,9 @@ static void vhost_net_stop_one(struct vhost_net *net,
net->nc->info->poll(net->nc, true);
}
vhost_dev_stop(&net->dev, dev);
if (net->nc->info->stop) {
net->nc->info->stop(net->nc);
}
vhost_dev_disable_notifiers(&net->dev, dev);
}

2
include/net/net.h
View File

@ -45,6 +45,7 @@ typedef struct NICConf {
typedef void (NetPoll)(NetClientState *, bool enable);
typedef bool (NetCanReceive)(NetClientState *);
typedef int (NetStart)(NetClientState *);
typedef void (NetStop)(NetClientState *);
typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t);
typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int);
typedef void (NetCleanup) (NetClientState *);
@ -73,6 +74,7 @@ typedef struct NetClientInfo {
NetReceiveIOV *receive_iov;
NetCanReceive *can_receive;
NetStart *start;
NetStop *stop;
NetCleanup *cleanup;
LinkStatusChanged *link_status_changed;
QueryRxFilter *query_rx_filter;