From: Maxime Coquelin <[email protected]> Enable the VIRTIO_NET_F_STATUS feature for VDUSE devices. This allows the device to report link status (e.g., VIRTIO_NET_S_LINK_UP). It also allows the device to signal the driver that it needs to send gratuitous ARP with VIRTIO_NET_S_ANNOUNCE.
Signed-off-by: Maxime Coquelin <[email protected]> Signed-off-by: Eugenio Pérez <[email protected]> --- lib/vhost/vduse.c | 32 ++++++++++++++++---------------- lib/vhost/vduse.h | 3 ++- 2 files changed, 18 insertions(+), 17 deletions(-) diff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c index 80020d3d5413..04f397bac8b5 100644 --- a/lib/vhost/vduse.c +++ b/lib/vhost/vduse.c @@ -460,24 +460,23 @@ vduse_events_handler(int fd, void *arg, int *close __rte_unused) resp.result = VDUSE_REQ_RESULT_OK; break; case VDUSE_UPDATE_IOTLB: - { - uint64_t start, last; - uint32_t asid; - - if (dev->vduse_api_ver < 1) { - start = req.iova.start; - last = req.iova.last; - asid = 0; - } else { - start = req.iova_v2.start; - last = req.iova_v2.last; - asid = req.iova_v2.asid; - } + uint64_t start, last; + uint32_t asid; - VHOST_CONFIG_LOG(dev->ifname, INFO, "\t(ASID %d) IOVA range: %" PRIx64 " - %" PRIx64, - asid, start, last); - vhost_user_iotlb_cache_remove(dev, asid, start, last - start + 1); + if (dev->vduse_api_ver < 1) { + start = req.iova.start; + last = req.iova.last; + asid = 0; + } else { + start = req.iova_v2.start; + last = req.iova_v2.last; + asid = req.iova_v2.asid; } + + VHOST_CONFIG_LOG(dev->ifname, INFO, "\t(ASID %d) IOVA range: %" PRIx64 " - %" PRIx64, + asid, start, last); + vhost_user_iotlb_cache_remove(dev, asid, start, last - start + 1); + resp.result = VDUSE_REQ_RESULT_OK; break; case VDUSE_SET_VQ_GROUP_ASID: @@ -801,6 +800,7 @@ vduse_device_create(const char *path, bool compliant_ol_flags, bool extbuf, bool goto out_ctrl_close; } + vnet_config.status = VIRTIO_NET_S_LINK_UP; vnet_config.max_virtqueue_pairs = max_queue_pairs; memset(dev_config, 0, sizeof(struct vduse_dev_config)); diff --git a/lib/vhost/vduse.h b/lib/vhost/vduse.h index b2515bb9df76..d697f85be5cc 100644 --- a/lib/vhost/vduse.h +++ b/lib/vhost/vduse.h @@ -7,7 +7,8 @@ #include "vhost.h" -#define VDUSE_NET_SUPPORTED_FEATURES VIRTIO_NET_SUPPORTED_FEATURES +#define VDUSE_NET_SUPPORTED_FEATURES (VIRTIO_NET_SUPPORTED_FEATURES | \ + (1ULL << VIRTIO_NET_F_STATUS)) int vduse_device_create(const char *path, bool compliant_ol_flags, bool extbuf, bool linearbuf); int vduse_device_destroy(const char *path); -- 2.53.0
