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/*
*------------------------------------------------------------------
* Copyright (c) 2019 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 <vnet/vnet.h>
#include <rdma/rdma.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
/* define message IDs */
#include <rdma/rdma.api_enum.h>
#include <rdma/rdma.api_types.h>
#define REPLY_MSG_ID_BASE (rm->msg_id_base)
#include <vlibapi/api_helper_macros.h>
static rdma_mode_t
rdma_api_mode (vl_api_rdma_mode_t mode)
{
switch (mode)
{
case RDMA_API_MODE_AUTO:
return RDMA_MODE_AUTO;
case RDMA_API_MODE_IBV:
return RDMA_MODE_IBV;
case RDMA_API_MODE_DV:
return RDMA_MODE_DV;
}
/* Fail the debug build. Useful for investigating endian issues. */
ASSERT (0);
return RDMA_MODE_AUTO;
}
static rdma_rss4_t
rdma_api_rss4 (const vl_api_rdma_rss4_t rss4)
{
switch (rss4)
{
case RDMA_API_RSS4_AUTO:
return RDMA_RSS4_AUTO;
case RDMA_API_RSS4_IP:
return RDMA_RSS4_IP;
case RDMA_API_RSS4_IP_UDP:
return RDMA_RSS4_IP_UDP;
case RDMA_API_RSS4_IP_TCP:
return RDMA_RSS4_IP_TCP;
}
return RDMA_RSS4_AUTO;
}
static rdma_rss6_t
rdma_api_rss6 (const vl_api_rdma_rss6_t rss6)
{
switch (rss6)
{
case RDMA_API_RSS6_AUTO:
return RDMA_RSS6_AUTO;
case RDMA_API_RSS6_IP:
return RDMA_RSS6_IP;
case RDMA_API_RSS6_IP_UDP:
return RDMA_RSS6_IP_UDP;
case RDMA_API_RSS6_IP_TCP:
return RDMA_RSS6_IP_TCP;
}
return RDMA_RSS6_AUTO;
}
static void
vl_api_rdma_create_v4_t_handler (vl_api_rdma_create_v4_t *mp)
{
vlib_main_t *vm = vlib_get_main ();
rdma_main_t *rm = &rdma_main;
vl_api_rdma_create_v4_reply_t *rmp;
rdma_create_if_args_t args;
int rv;
clib_memset (&args, 0, sizeof (rdma_create_if_args_t));
args.ifname = mp->host_if;
args.name = mp->name;
args.rxq_num = mp->rxq_num;
args.rxq_size = mp->rxq_size;
args.txq_size = mp->txq_size;
args.mode = rdma_api_mode (mp->mode);
args.disable_striding_rq = 0;
args.no_multi_seg = mp->no_multi_seg;
args.max_pktlen = mp->max_pktlen;
args.rss4 = rdma_api_rss4 (mp->rss4);
args.rss6 = rdma_api_rss6 (mp->rss6);
rdma_create_if (vm, &args);
rv = args.rv;
REPLY_MACRO2_END (VL_API_RDMA_CREATE_V4_REPLY,
({ rmp->sw_if_index = args.sw_if_index; }));
}
static void
vl_api_rdma_create_v3_t_handler (vl_api_rdma_create_v3_t *mp)
{
vlib_main_t *vm = vlib_get_main ();
rdma_main_t *rm = &rdma_main;
vl_api_rdma_create_v3_reply_t *rmp;
rdma_create_if_args_t args;
int rv;
clib_memset (&args, 0, sizeof (rdma_create_if_args_t));
args.ifname = mp->host_if;
args.name = mp->name;
args.rxq_num = ntohs (mp->rxq_num);
args.rxq_size = ntohs (mp->rxq_size);
args.txq_size = ntohs (mp->txq_size);
args.mode = rdma_api_mode (mp->mode);
args.disable_striding_rq = 0;
args.no_multi_seg = mp->no_multi_seg;
args.max_pktlen = ntohs (mp->max_pktlen);
args.rss4 = rdma_api_rss4 (mp->rss4);
args.rss6 = rdma_api_rss6 (mp->rss6);
rdma_create_if (vm, &args);
rv = args.rv;
REPLY_MACRO2 (VL_API_RDMA_CREATE_V3_REPLY,
({ rmp->sw_if_index = ntohl (args.sw_if_index); }));
}
static void
vl_api_rdma_create_v2_t_handler (vl_api_rdma_create_v2_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
rdma_main_t *rm = &rdma_main;
vl_api_rdma_create_v2_reply_t *rmp;
rdma_create_if_args_t args;
int rv;
clib_memset (&args, 0, sizeof (rdma_create_if_args_t));
args.ifname = mp->host_if;
args.name = mp->name;
args.rxq_num = ntohs (mp->rxq_num);
args.rxq_size = ntohs (mp->rxq_size);
args.txq_size = ntohs (mp->txq_size);
args.mode = rdma_api_mode (mp->mode);
args.disable_striding_rq = 0;
args.no_multi_seg = mp->no_multi_seg;
args.max_pktlen = ntohs (mp->max_pktlen);
rdma_create_if (vm, &args);
rv = args.rv;
REPLY_MACRO2 (VL_API_RDMA_CREATE_V2_REPLY,
({ rmp->sw_if_index = ntohl (args.sw_if_index); }));
}
static void
vl_api_rdma_create_t_handler (vl_api_rdma_create_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
rdma_main_t *rm = &rdma_main;
vl_api_rdma_create_reply_t *rmp;
rdma_create_if_args_t args;
int rv;
clib_memset (&args, 0, sizeof (rdma_create_if_args_t));
args.ifname = mp->host_if;
args.name = mp->name;
args.rxq_num = ntohs (mp->rxq_num);
args.rxq_size = ntohs (mp->rxq_size);
args.txq_size = ntohs (mp->txq_size);
args.mode = rdma_api_mode (mp->mode);
args.disable_striding_rq = 0;
args.no_multi_seg = 1;
args.max_pktlen = 0;
rdma_create_if (vm, &args);
rv = args.rv;
REPLY_MACRO2 (VL_API_RDMA_CREATE_REPLY,
({ rmp->sw_if_index = ntohl (args.sw_if_index); }));
}
static void
vl_api_rdma_delete_t_handler (vl_api_rdma_delete_t * mp)
{
vlib_main_t *vm = vlib_get_main ();
vnet_main_t *vnm = vnet_get_main ();
rdma_main_t *rm = &rdma_main;
vl_api_rdma_delete_reply_t *rmp;
rdma_device_t *rd;
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 || rdma_device_class.index != hw->dev_class_index)
{
rv = VNET_API_ERROR_INVALID_INTERFACE;
goto reply;
}
rd = pool_elt_at_index (rm->devices, hw->dev_instance);
rdma_delete_if (vm, rd);
reply:
REPLY_MACRO (VL_API_RDMA_DELETE_REPLY);
}
/* set tup the API message handling tables */
#include <rdma/rdma.api.c>
static clib_error_t *
rdma_plugin_api_hookup (vlib_main_t * vm)
{
rdma_main_t *rm = &rdma_main;
/* ask for a correctly-sized block of API message decode slots */
rm->msg_id_base = setup_message_id_table ();
return 0;
}
VLIB_API_INIT_FUNCTION (rdma_plugin_api_hookup);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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