diff options
Diffstat (limited to 'src/plugins/vmxnet3/vmxnet3_api.c')
| -rw-r--r-- | src/plugins/vmxnet3/vmxnet3_api.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/src/plugins/vmxnet3/vmxnet3_api.c b/src/plugins/vmxnet3/vmxnet3_api.c new file mode 100644 index 00000000000..e0c2cfa6cf0 --- /dev/null +++ b/src/plugins/vmxnet3/vmxnet3_api.c @@ -0,0 +1,252 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2018 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 <vlib/vlib.h> +#include <vlib/unix/unix.h> +#include <vlib/pci/pci.h> +#include <vnet/ethernet/ethernet.h> + +#include <vmxnet3/vmxnet3.h> + +#include <vlibapi/api.h> +#include <vlibmemory/api.h> + +/* define message IDs */ +#include <vmxnet3/vmxnet3_msg_enum.h> + +/* define message structures */ +#define vl_typedefs +#include <vmxnet3/vmxnet3_all_api_h.h> +#undef vl_typedefs + +/* define generated endian-swappers */ +#define vl_endianfun +#include <vmxnet3/vmxnet3_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__) +#define vl_printfun +#include <vmxnet3/vmxnet3_all_api_h.h> +#undef vl_printfun + +/* get the API version number */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <vmxnet3/vmxnet3_all_api_h.h> +#undef vl_api_version + +#include <vlibapi/api_helper_macros.h> + +#define foreach_vmxnet3_plugin_api_msg \ +_(VMXNET3_CREATE, vmxnet3_create) \ +_(VMXNET3_DELETE, vmxnet3_delete) \ +_(VMXNET3_DUMP, vmxnet3_dump) + +static void +vl_api_vmxnet3_create_t_handler (vl_api_vmxnet3_create_t * mp) +{ + vlib_main_t *vm = vlib_get_main (); + vmxnet3_main_t *vmxm = &vmxnet3_main; + vl_api_vmxnet3_create_reply_t *rmp; + vmxnet3_create_if_args_t args; + int rv; + + memset (&args, 0, sizeof (vmxnet3_create_if_args_t)); + + args.enable_elog = ntohl (mp->enable_elog); + args.addr.as_u32 = ntohl (mp->pci_addr); + args.rxq_size = ntohs (mp->rxq_size); + args.txq_size = ntohs (mp->txq_size); + + vmxnet3_create_if (vm, &args); + rv = args.rv; + + /* *INDENT-OFF* */ + REPLY_MACRO2 (VL_API_VMXNET3_CREATE_REPLY + vmxm->msg_id_base, + ({ + rmp->sw_if_index = ntohl (args.sw_if_index); + })); + /* *INDENT-ON* */ +} + +static void +vl_api_vmxnet3_delete_t_handler (vl_api_vmxnet3_delete_t * mp) +{ + vlib_main_t *vm = vlib_get_main (); + vnet_main_t *vnm = vnet_get_main (); + vmxnet3_main_t *vmxm = &vmxnet3_main; + vl_api_vmxnet3_delete_reply_t *rmp; + vmxnet3_device_t *vd; + vnet_hw_interface_t *hw; + int rv = 0; + + hw = vnet_get_sup_hw_interface (vnm, htonl (mp->sw_if_index)); + if (hw == NULL || vmxnet3_device_class.index != hw->dev_class_index) + { + rv = VNET_API_ERROR_INVALID_INTERFACE; + goto reply; + } + + vd = pool_elt_at_index (vmxm->devices, hw->dev_instance); + + vmxnet3_delete_if (vm, vd); + +reply: + REPLY_MACRO (VL_API_VMXNET3_DELETE_REPLY + vmxm->msg_id_base); +} + +static void +send_vmxnet3_details (vl_api_registration_t * reg, vmxnet3_device_t * vd, + u16 rx_qid, vmxnet3_rxq_t * rxq, u16 tx_qid, + vmxnet3_txq_t * txq, vnet_sw_interface_t * swif, + u8 * interface_name, u32 context) +{ + vl_api_vmxnet3_details_t *mp; + vnet_main_t *vnm = vnet_get_main (); + vmxnet3_main_t *vmxm = &vmxnet3_main; + vnet_hw_interface_t *hwif; + vmxnet3_rx_ring *ring; + u16 rid; + + hwif = vnet_get_sup_hw_interface (vnm, swif->sw_if_index); + + mp = vl_msg_api_alloc (sizeof (*mp)); + memset (mp, 0, sizeof (*mp)); + + mp->_vl_msg_id = htons (VL_API_VMXNET3_DETAILS + vmxm->msg_id_base); + mp->context = context; + + mp->sw_if_index = htonl (swif->sw_if_index); + strncpy ((char *) mp->if_name, + (char *) interface_name, ARRAY_LEN (mp->if_name) - 1); + + if (hwif->hw_address) + memcpy (mp->hw_addr, hwif->hw_address, ARRAY_LEN (mp->hw_addr)); + + mp->version = vd->version; + mp->pci_addr = ntohl (vd->pci_addr.as_u32); + + mp->rx_qsize = htons (rxq->size); + mp->rx_next = htons (rxq->rx_comp_ring.next); + for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++) + { + ring = &rxq->rx_ring[rid]; + mp->rx_fill[rid] = htons (ring->fill); + mp->rx_produce[rid] = htons (ring->produce); + mp->rx_consume[rid] = htons (ring->consume); + } + mp->tx_qsize = htons (txq->size); + mp->tx_next = htons (txq->tx_comp_ring.next); + mp->tx_produce = htons (txq->tx_ring.produce); + mp->tx_consume = htons (txq->tx_ring.consume); + + mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0; + + vl_api_send_msg (reg, (u8 *) mp); +} + +/** + * @brief Message handler for vmxnet3_dump API. + * @param mp vl_api_vmxnet3_dump_t * mp the api message + */ +static void +vl_api_vmxnet3_dump_t_handler (vl_api_vmxnet3_dump_t * mp) +{ + vmxnet3_main_t *vmxm = &vmxnet3_main; + vnet_main_t *vnm = vnet_get_main (); + vnet_sw_interface_t *swif; + vmxnet3_device_t *vd; + u8 *if_name = 0; + vl_api_registration_t *reg; + vmxnet3_rxq_t *rxq; + vmxnet3_txq_t *txq; + u16 qid = 0; + + reg = vl_api_client_index_to_registration (mp->client_index); + if (!reg) + return; + + /* *INDENT-OFF* */ + pool_foreach (vd, vmxm->devices, + ({ + swif = vnet_get_sw_interface (vnm, vd->sw_if_index); + if_name = format (if_name, "%U%c", format_vnet_sw_interface_name, vnm, + swif, 0); + rxq = vec_elt_at_index (vd->rxqs, qid); + txq = vec_elt_at_index (vd->txqs, qid); + send_vmxnet3_details (reg, vd, qid, rxq, qid, txq, swif, if_name, + mp->context); + _vec_len (if_name) = 0; + })); + /* *INDENT-ON* */ + + vec_free (if_name); +} + +#define vl_msg_name_crc_list +#include <vmxnet3/vmxnet3_all_api_h.h> +#undef vl_msg_name_crc_list + +static void +setup_message_id_table (vmxnet3_main_t * vmxm, api_main_t * am) +{ +#define _(id,n,crc) \ + vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id + vmxm->msg_id_base); + foreach_vl_msg_name_crc_vmxnet3; +#undef _ +} + +/* set tup the API message handling tables */ +clib_error_t * +vmxnet3_plugin_api_hookup (vlib_main_t * vm) +{ + vmxnet3_main_t *vmxm = &vmxnet3_main; + api_main_t *am = &api_main; + u8 *name; + + /* construct the API name */ + name = format (0, "vmxnet3_%08x%c", api_version, 0); + + /* ask for a correctly-sized block of API message decode slots */ + vmxm->msg_id_base = vl_msg_api_get_msg_ids + ((char *) name, VL_MSG_FIRST_AVAILABLE); + +#define _(N,n) \ + vl_msg_api_set_handlers((VL_API_##N + vmxm->msg_id_base), \ + #n, \ + vl_api_##n##_t_handler, \ + vl_noop_handler, \ + vl_api_##n##_t_endian, \ + vl_api_##n##_t_print, \ + sizeof(vl_api_##n##_t), 1); + foreach_vmxnet3_plugin_api_msg; +#undef _ + + /* set up the (msg_name, crc, message-id) table */ + setup_message_id_table (vmxm, am); + + vec_free (name); + return 0; +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |