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/*
*------------------------------------------------------------------
* 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;
clib_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);
args.txq_num = ntohs (mp->txq_num);
args.rxq_num = ntohs (mp->rxq_num);
args.bind = mp->bind;
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_api_visible_or_null (vnm,
htonl (mp->sw_if_index));
if (hw == NULL || vmxnet3_device_class.index != hw->dev_class_index)
{
rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
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,
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, qid;
hwif = vnet_get_sup_hw_interface (vnm, swif->sw_if_index);
mp = vl_msg_api_alloc (sizeof (*mp));
clib_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->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? 1 : 0;
mp->rx_count = clib_min (vec_len (vd->rxqs), VMXNET3_RXQ_MAX);
vec_foreach_index (qid, vd->rxqs)
{
vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
vl_api_vmxnet3_rx_list_t *rx_list = &mp->rx_list[qid];
ASSERT (qid < VMXNET3_RXQ_MAX);
rx_list->rx_qsize = htons (rxq->size);
rx_list->rx_next = htons (rxq->rx_comp_ring.next);
for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
{
ring = &rxq->rx_ring[rid];
rx_list->rx_fill[rid] = htons (ring->fill);
rx_list->rx_produce[rid] = htons (ring->produce);
rx_list->rx_consume[rid] = htons (ring->consume);
}
}
mp->tx_count = clib_min (vec_len (vd->txqs), VMXNET3_TXQ_MAX);
vec_foreach_index (qid, vd->txqs)
{
vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, qid);
vl_api_vmxnet3_tx_list_t *tx_list = &mp->tx_list[qid];
ASSERT (qid < VMXNET3_TXQ_MAX);
tx_list->tx_qsize = htons (txq->size);
tx_list->tx_next = htons (txq->tx_comp_ring.next);
tx_list->tx_produce = htons (txq->tx_ring.produce);
tx_list->tx_consume = htons (txq->tx_ring.consume);
}
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;
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);
send_vmxnet3_details (reg, vd, 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:
*/
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