diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2018-08-21 16:07:03 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2018-09-20 09:12:12 +0000 |
| commit | ee2e58f6ea802437ed52cc3e4d59b89d92757135 (patch) | |
| tree | 9c84a87979cf99a89635446a9868f88c84fe14df /src/vnet/devices/virtio | |
| parent | fe0aa7648703f63159be8362836b39d4727fbb0c (diff) | |
vhost-user: Add disable feature support in api
Two flags to disable mergable rx buffers and indirect
descriptors are added to api.
Change-Id: Iba0ee9c48d19dfc3d3420a3fdaf44a1a1d325e99
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio')
| -rw-r--r-- | src/vnet/devices/virtio/vhost_user.api | 6 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/vhost_user_api.c | 12 |
2 files changed, 16 insertions, 2 deletions
diff --git a/src/vnet/devices/virtio/vhost_user.api b/src/vnet/devices/virtio/vhost_user.api index ccaa87cf0ce..c745b3d616b 100644 --- a/src/vnet/devices/virtio/vhost_user.api +++ b/src/vnet/devices/virtio/vhost_user.api @@ -13,13 +13,15 @@ * limitations under the License. */ -option version = "1.0.0"; +option version = "2.0.0"; /** \brief vhost-user interface create request @param client_index - opaque cookie to identify the sender @param is_server - our side is socket server @param sock_filename - unix socket filename, used to speak with frontend @param use_custom_mac - enable or disable the use of the provided hardware address + @param disable_mrg_rxbuf - disable the use of merge receive buffers + @param disable_indirect_desc - disable the use of indirect descriptors which driver can use @param mac_address - hardware address to use if 'use_custom_mac' is set */ define create_vhost_user_if @@ -29,6 +31,8 @@ define create_vhost_user_if u8 is_server; u8 sock_filename[256]; u8 renumber; + u8 disable_mrg_rxbuf; + u8 disable_indirect_desc; u32 custom_dev_instance; u8 use_custom_mac; u8 mac_address[6]; diff --git a/src/vnet/devices/virtio/vhost_user_api.c b/src/vnet/devices/virtio/vhost_user_api.c index 59dba252f22..016ccbd2687 100644 --- a/src/vnet/devices/virtio/vhost_user_api.c +++ b/src/vnet/devices/virtio/vhost_user_api.c @@ -76,9 +76,19 @@ vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t * mp) u32 sw_if_index = (u32) ~ 0; vnet_main_t *vnm = vnet_get_main (); vlib_main_t *vm = vlib_get_main (); + u64 features = (u64) ~ (0ULL); + u64 disabled_features = (u64) (0ULL); + + if (mp->disable_mrg_rxbuf) + disabled_features = (1ULL << FEAT_VIRTIO_NET_F_MRG_RXBUF); + + if (mp->disable_indirect_desc) + disabled_features |= (1ULL << FEAT_VIRTIO_F_INDIRECT_DESC); + + features &= ~disabled_features; rv = vhost_user_create_if (vnm, vm, (char *) mp->sock_filename, - mp->is_server, &sw_if_index, (u64) ~ 0, + mp->is_server, &sw_if_index, features, mp->renumber, ntohl (mp->custom_dev_instance), (mp->use_custom_mac) ? mp->mac_address : NULL); |