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[PATCH v3 4/6] vdpa: add NetClientState->start() callback
From: |
Eugenio Pérez |
Subject: |
[PATCH v3 4/6] vdpa: add NetClientState->start() callback |
Date: |
Fri, 22 Jul 2022 10:56:42 +0200 |
It allows per-net client operations right after device's successful
start.
Vhost-vdpa net will use it to add the CVQ buffers to restore the device
status.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
include/net/net.h | 2 ++
hw/net/vhost_net.c | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/include/net/net.h b/include/net/net.h
index 523136c7ac..ad9e80083a 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -44,6 +44,7 @@ typedef struct NICConf {
typedef void (NetPoll)(NetClientState *, bool enable);
typedef bool (NetCanReceive)(NetClientState *);
+typedef int (NetStart)(NetClientState *);
typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t);
typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int);
typedef void (NetCleanup) (NetClientState *);
@@ -71,6 +72,7 @@ typedef struct NetClientInfo {
NetReceive *receive_raw;
NetReceiveIOV *receive_iov;
NetCanReceive *can_receive;
+ NetStart *start;
NetCleanup *cleanup;
LinkStatusChanged *link_status_changed;
QueryRxFilter *query_rx_filter;
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index ccac5b7a64..ddd9ee0441 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -274,6 +274,13 @@ static int vhost_net_start_one(struct vhost_net *net,
}
}
}
+
+ if (net->nc->info->start) {
+ r = net->nc->info->start(net->nc);
+ if (r < 0) {
+ goto fail;
+ }
+ }
return 0;
fail:
file.fd = -1;
--
2.31.1
- [PATCH v3 0/6] NIC vhost-vdpa state restore via Shadow CVQ, Eugenio Pérez, 2022/07/22
- [PATCH v3 1/6] vhost: stop transfer elem ownership in vhost_handle_guest_kick, Eugenio Pérez, 2022/07/22
- [PATCH v3 2/6] vdpa: Extract vhost_vdpa_net_cvq_add from vhost_vdpa_net_handle_ctrl_avail, Eugenio Pérez, 2022/07/22
- [PATCH v3 4/6] vdpa: add NetClientState->start() callback,
Eugenio Pérez <=
- [PATCH v3 5/6] vdpa: Add virtio-net mac address via CVQ at start, Eugenio Pérez, 2022/07/22
- [PATCH v3 6/6] vdpa: Delete CVQ migration blocker, Eugenio Pérez, 2022/07/22
- [PATCH v3 3/6] vdpa: Make vhost_vdpa_net_cvq_map_elem accept any out sg, Eugenio Pérez, 2022/07/22