diff options
Diffstat (limited to 'src/vnet/devices/virtio/vhost_user_api.c')
| -rw-r--r-- | src/vnet/devices/virtio/vhost_user_api.c | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/src/vnet/devices/virtio/vhost_user_api.c b/src/vnet/devices/virtio/vhost_user_api.c deleted file mode 100644 index cc1896b108a..00000000000 --- a/src/vnet/devices/virtio/vhost_user_api.c +++ /dev/null @@ -1,352 +0,0 @@ -/* - *------------------------------------------------------------------ - * vhost-user_api.c - vhost-user api - * - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------ - */ - -#include <vnet/vnet.h> -#include <vlibmemory/api.h> - -#include <vnet/interface.h> -#include <vnet/api_errno.h> -#include <vnet/devices/virtio/vhost_user.h> -#include <vnet/ethernet/ethernet.h> -#include <vnet/ethernet/ethernet_types_api.h> -#include <vnet/devices/virtio/virtio_types_api.h> - -#include <vnet/format_fns.h> -#include <vnet/devices/virtio/vhost_user.api_enum.h> -#include <vnet/devices/virtio/vhost_user.api_types.h> - -#define REPLY_MSG_ID_BASE msg_id_base -#include <vlibapi/api_helper_macros.h> - -static u16 msg_id_base; - -static void -vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t * mp) -{ - int rv = 0; - vl_api_create_vhost_user_if_reply_t *rmp; - vnet_main_t *vnm = vnet_get_main (); - vlib_main_t *vm = vlib_get_main (); - u64 disabled_features = (u64) (0ULL); - vhost_user_create_if_args_t args = { 0 }; - - args.sw_if_index = (u32) ~ 0; - args.feature_mask = (u64) ~ (0ULL); - if (mp->disable_mrg_rxbuf) - disabled_features = VIRTIO_FEATURE (VIRTIO_NET_F_MRG_RXBUF); - - if (mp->disable_indirect_desc) - disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_INDIRECT_DESC); - - /* - * GSO and PACKED are not supported by feature mask via binary API. We - * disable GSO and PACKED feature in the feature mask. They may be enabled - * explicitly via enable_gso and enable_packed argument - */ - disabled_features |= FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS | - VIRTIO_FEATURE (VIRTIO_F_RING_PACKED); - - /* EVENT_IDX is disabled by default */ - disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_EVENT_IDX); - args.feature_mask &= ~disabled_features; - - if (mp->use_custom_mac) - mac_address_decode (mp->mac_address, (mac_address_t *) args.hwaddr); - - args.use_custom_mac = mp->use_custom_mac; - args.is_server = mp->is_server; - args.sock_filename = (char *) mp->sock_filename; - args.renumber = mp->renumber; - args.custom_dev_instance = ntohl (mp->custom_dev_instance); - args.enable_gso = mp->enable_gso; - args.enable_packed = mp->enable_packed; - rv = vhost_user_create_if (vnm, vm, &args); - - /* Remember an interface tag for the new interface */ - if (rv == 0) - { - /* If a tag was supplied... */ - if (mp->tag[0]) - { - /* Make sure it's a proper C-string */ - mp->tag[ARRAY_LEN (mp->tag) - 1] = 0; - u8 *tag = format (0, "%s%c", mp->tag, 0); - vnet_set_sw_interface_tag (vnm, tag, args.sw_if_index); - } - } - - /* *INDENT-OFF* */ - REPLY_MACRO2(VL_API_CREATE_VHOST_USER_IF_REPLY, - ({ - rmp->sw_if_index = ntohl (args.sw_if_index); - })); - /* *INDENT-ON* */ -} - -static void -vl_api_modify_vhost_user_if_t_handler (vl_api_modify_vhost_user_if_t * mp) -{ - int rv = 0; - vl_api_modify_vhost_user_if_reply_t *rmp; - u64 disabled_features = (u64) (0ULL); - vhost_user_create_if_args_t args = { 0 }; - vnet_main_t *vnm = vnet_get_main (); - vlib_main_t *vm = vlib_get_main (); - - args.feature_mask = (u64) ~ (0ULL); - /* - * GSO and PACKED are not supported by feature mask via binary API. We - * disable GSO and PACKED feature in the feature mask. They may be enabled - * explicitly via enable_gso and enable_packed argument - */ - disabled_features |= FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS | - VIRTIO_FEATURE (VIRTIO_F_RING_PACKED); - - /* EVENT_IDX is disabled by default */ - disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_EVENT_IDX); - args.feature_mask &= ~disabled_features; - - args.sw_if_index = ntohl (mp->sw_if_index); - args.sock_filename = (char *) mp->sock_filename; - args.is_server = mp->is_server; - args.renumber = mp->renumber; - args.custom_dev_instance = ntohl (mp->custom_dev_instance); - args.enable_gso = mp->enable_gso; - args.enable_packed = mp->enable_packed; - rv = vhost_user_modify_if (vnm, vm, &args); - - REPLY_MACRO (VL_API_MODIFY_VHOST_USER_IF_REPLY); -} - -static void -vl_api_create_vhost_user_if_v2_t_handler (vl_api_create_vhost_user_if_v2_t * - mp) -{ - int rv = 0; - vl_api_create_vhost_user_if_v2_reply_t *rmp; - vnet_main_t *vnm = vnet_get_main (); - vlib_main_t *vm = vlib_get_main (); - u64 disabled_features = (u64) (0ULL); - vhost_user_create_if_args_t args = { 0 }; - - args.sw_if_index = (u32) ~ 0; - args.feature_mask = (u64) ~ (0ULL); - if (mp->disable_mrg_rxbuf) - disabled_features = VIRTIO_FEATURE (VIRTIO_NET_F_MRG_RXBUF); - - if (mp->disable_indirect_desc) - disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_INDIRECT_DESC); - - /* - * GSO and PACKED are not supported by feature mask via binary API. We - * disable GSO and PACKED feature in the feature mask. They may be enabled - * explicitly via enable_gso and enable_packed argument - */ - disabled_features |= FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS | - VIRTIO_FEATURE (VIRTIO_F_RING_PACKED); - - /* EVENT_IDX is disabled by default */ - disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_EVENT_IDX); - args.feature_mask &= ~disabled_features; - - if (mp->use_custom_mac) - mac_address_decode (mp->mac_address, (mac_address_t *) args.hwaddr); - - args.use_custom_mac = mp->use_custom_mac; - args.is_server = mp->is_server; - args.sock_filename = (char *) mp->sock_filename; - args.renumber = mp->renumber; - args.custom_dev_instance = ntohl (mp->custom_dev_instance); - args.enable_gso = mp->enable_gso; - args.enable_packed = mp->enable_packed; - args.enable_event_idx = mp->enable_event_idx; - rv = vhost_user_create_if (vnm, vm, &args); - - /* Remember an interface tag for the new interface */ - if (rv == 0) - { - /* If a tag was supplied... */ - if (mp->tag[0]) - { - /* Make sure it's a proper C-string */ - mp->tag[ARRAY_LEN (mp->tag) - 1] = 0; - u8 *tag = format (0, "%s%c", mp->tag, 0); - vnet_set_sw_interface_tag (vnm, tag, args.sw_if_index); - } - } - - /* *INDENT-OFF* */ - REPLY_MACRO2(VL_API_CREATE_VHOST_USER_IF_V2_REPLY, - ({ - rmp->sw_if_index = ntohl (args.sw_if_index); - })); - /* *INDENT-ON* */ -} - -static void -vl_api_modify_vhost_user_if_v2_t_handler (vl_api_modify_vhost_user_if_v2_t * - mp) -{ - int rv = 0; - vl_api_modify_vhost_user_if_v2_reply_t *rmp; - u64 disabled_features = (u64) (0ULL); - vhost_user_create_if_args_t args = { 0 }; - vnet_main_t *vnm = vnet_get_main (); - vlib_main_t *vm = vlib_get_main (); - - args.feature_mask = (u64) ~ (0ULL); - /* - * GSO and PACKED are not supported by feature mask via binary API. We - * disable GSO and PACKED feature in the feature mask. They may be enabled - * explicitly via enable_gso and enable_packed argument - */ - disabled_features |= FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS | - VIRTIO_FEATURE (VIRTIO_F_RING_PACKED); - - /* EVENT_IDX is disabled by default */ - disabled_features |= VIRTIO_FEATURE (VIRTIO_RING_F_EVENT_IDX); - args.feature_mask &= ~disabled_features; - - args.sw_if_index = ntohl (mp->sw_if_index); - args.sock_filename = (char *) mp->sock_filename; - args.is_server = mp->is_server; - args.renumber = mp->renumber; - args.custom_dev_instance = ntohl (mp->custom_dev_instance); - args.enable_gso = mp->enable_gso; - args.enable_packed = mp->enable_packed; - args.enable_event_idx = mp->enable_event_idx; - rv = vhost_user_modify_if (vnm, vm, &args); - - REPLY_MACRO (VL_API_MODIFY_VHOST_USER_IF_V2_REPLY); -} - -static void -vl_api_delete_vhost_user_if_t_handler (vl_api_delete_vhost_user_if_t * mp) -{ - int rv = 0; - vl_api_delete_vhost_user_if_reply_t *rmp; - u32 sw_if_index = ntohl (mp->sw_if_index); - vl_api_registration_t *reg; - - vnet_main_t *vnm = vnet_get_main (); - vlib_main_t *vm = vlib_get_main (); - - rv = vhost_user_delete_if (vnm, vm, sw_if_index); - - REPLY_MACRO (VL_API_DELETE_VHOST_USER_IF_REPLY); - if (!rv) - { - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - vnet_clear_sw_interface_tag (vnm, sw_if_index); - } -} - -static void -send_sw_interface_vhost_user_details (vpe_api_main_t * am, - vl_api_registration_t * reg, - vhost_user_intf_details_t * vui, - u32 context) -{ - vl_api_sw_interface_vhost_user_details_t *mp; - - mp = vl_msg_api_alloc (sizeof (*mp)); - clib_memset (mp, 0, sizeof (*mp)); - mp->_vl_msg_id = - ntohs (REPLY_MSG_ID_BASE + VL_API_SW_INTERFACE_VHOST_USER_DETAILS); - mp->sw_if_index = ntohl (vui->sw_if_index); - mp->virtio_net_hdr_sz = ntohl (vui->virtio_net_hdr_sz); - virtio_features_encode (vui->features, (u32 *) & mp->features_first_32, - (u32 *) & mp->features_last_32); - mp->is_server = vui->is_server; - mp->num_regions = ntohl (vui->num_regions); - mp->sock_errno = ntohl (vui->sock_errno); - mp->context = context; - - strncpy ((char *) mp->sock_filename, - (char *) vui->sock_filename, ARRAY_LEN (mp->sock_filename) - 1); - strncpy ((char *) mp->interface_name, - (char *) vui->if_name, ARRAY_LEN (mp->interface_name) - 1); - - vl_api_send_msg (reg, (u8 *) mp); -} - -static void - vl_api_sw_interface_vhost_user_dump_t_handler - (vl_api_sw_interface_vhost_user_dump_t * mp) -{ - int rv = 0; - vpe_api_main_t *am = &vpe_api_main; - vnet_main_t *vnm = vnet_get_main (); - vlib_main_t *vm = vlib_get_main (); - vhost_user_intf_details_t *ifaces = NULL; - vhost_user_intf_details_t *vuid = NULL; - vl_api_registration_t *reg; - u32 filter_sw_if_index; - - reg = vl_api_client_index_to_registration (mp->client_index); - if (!reg) - return; - - filter_sw_if_index = htonl (mp->sw_if_index); - if (filter_sw_if_index != ~0) - VALIDATE_SW_IF_INDEX (mp); - - rv = vhost_user_dump_ifs (vnm, vm, &ifaces); - if (rv) - return; - - vec_foreach (vuid, ifaces) - { - if ((filter_sw_if_index == ~0) || - (vuid->sw_if_index == filter_sw_if_index)) - send_sw_interface_vhost_user_details (am, reg, vuid, mp->context); - } - BAD_SW_IF_INDEX_LABEL; - vec_free (ifaces); -} - -#include <vnet/devices/virtio/vhost_user.api.c> -static clib_error_t * -vhost_user_api_hookup (vlib_main_t * vm) -{ - api_main_t *am = vlibapi_get_main (); - /* Mark CREATE_VHOST_USER_IF as mp safe */ - vl_api_set_msg_thread_safe (am, VL_API_CREATE_VHOST_USER_IF, 1); - vl_api_set_msg_thread_safe (am, VL_API_CREATE_VHOST_USER_IF_V2, 1); - - /* - * Set up the (msg_name, crc, message-id) table - */ - REPLY_MSG_ID_BASE = setup_message_id_table (); - - return 0; -} - -VLIB_API_INIT_FUNCTION (vhost_user_api_hookup); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |