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0dd47bcf2b0e265c3d27fdc60b49e41be804f78a
vpp/src/plugins/idpf/device.c
T
Ting Xu 737edea328 idpf: add native idpf driver plugin 
Add a new native idpf driver. This patch enables the device
initialization. Add some necessary functions and definations
for input and output. A new version of virtchnl is introduced.

Type: feature

Signed-off-by: Ting Xu <ting.xu@intel.com>
Change-Id: Ibbd9cd645e64469f1c4c8b33346c1301be3f6927
2023-08-17 01:37:44 +00:00

2266 lines
63 KiB
C
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/*
*------------------------------------------------------------------
* Copyright (c) 2023 Intel 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 <idpf/idpf.h>
#include <vpp/app/version.h>
#include <vnet/plugin/plugin.h>
#define IDPF_RXQ_SZ 512
#define IDPF_TXQ_SZ 512
#define PCI_VENDOR_ID_INTEL 0x8086
#define PCI_DEVICE_ID_INTEL_IDPF_PF 0x1452
#define PCI_DEVICE_ID_INTEL_IDPF_VF 0x1889
VLIB_REGISTER_LOG_CLASS (idpf_log) = {
.class_name = "idpf",
};
VLIB_REGISTER_LOG_CLASS (idpf_stats_log) = {
.class_name = "idpf",
.subclass_name = "stats",
};
idpf_main_t idpf_main;
void idpf_delete_if (vlib_main_t *vm, idpf_device_t *id, int with_barrier);
static pci_device_id_t idpf_pci_device_ids[] = {
{ .vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = PCI_DEVICE_ID_INTEL_IDPF_PF },
{ .vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = PCI_DEVICE_ID_INTEL_IDPF_VF },
{ 0 },
};
static int
idpf_vc_clean (vlib_main_t *vm, idpf_device_t *id)
{
idpf_ctlq_msg_t *q_msg[IDPF_CTLQ_LEN];
uint16_t num_q_msg = IDPF_CTLQ_LEN;
idpf_dma_mem_t *dma_mem;
uint32_t i;
int err;
for (i = 0; i < 10; i++)
{
err = idpf_ctlq_clean_sq (id->asq, &num_q_msg, q_msg);
vlib_process_suspend (vm, 0.02);
if (num_q_msg > 0)
break;
}
if (err != 0)
return err;
/* Empty queue is not an error */
for (i = 0; i < num_q_msg; i++)
{
dma_mem = q_msg[i]->ctx.indirect.payload;
if (dma_mem != NULL)
idpf_free_dma_mem (id, dma_mem);
clib_mem_free (q_msg[i]);
}
return 0;
}
static idpf_vc_result_t
idpf_read_msg_from_cp (idpf_device_t *id, u16 buf_len, u8 *buf)
{
idpf_ctlq_msg_t ctlq_msg;
idpf_dma_mem_t *dma_mem = NULL;
idpf_vc_result_t result = IDPF_MSG_NON;
u32 opcode;
u16 pending = 1;
int ret;
ret = idpf_ctlq_recv (id->arq, &pending, &ctlq_msg);
if (ret != 0)
{
idpf_log_debug (id, "Can't read msg from AQ");
if (ret != -ENOMSG)
result = IDPF_MSG_ERR;
return result;
}
clib_memcpy_fast (buf, ctlq_msg.ctx.indirect.payload->va, buf_len);
opcode = ctlq_msg.cookie.mbx.chnl_opcode;
id->cmd_retval = ctlq_msg.cookie.mbx.chnl_retval;
idpf_log_debug (id, "CQ from CP carries opcode %u, retval %d", opcode,
id->cmd_retval);
if (opcode == VIRTCHNL2_OP_EVENT)
{
virtchnl2_event_t *ve =
(virtchnl2_event_t *) ctlq_msg.ctx.indirect.payload->va;
result = IDPF_MSG_SYS;
switch (ve->event)
{
case VIRTCHNL2_EVENT_LINK_CHANGE:
break;
default:
idpf_log_err (id, "%s: Unknown event %d from CP", __func__,
ve->event);
break;
}
}
else
{
/* async reply msg on command issued by pf previously */
result = IDPF_MSG_CMD;
if (opcode != id->pend_cmd)
{
idpf_log_warn (id, "command mismatch, expect %u, get %u",
id->pend_cmd, opcode);
result = IDPF_MSG_ERR;
}
}
if (ctlq_msg.data_len != 0)
dma_mem = ctlq_msg.ctx.indirect.payload;
else
pending = 0;
ret = idpf_ctlq_post_rx_buffs (id, id->arq, &pending, &dma_mem);
if (ret != 0 && dma_mem != NULL)
idpf_free_dma_mem (id, dma_mem);
return result;
}
clib_error_t *
idpf_send_vc_msg (vlib_main_t *vm, idpf_device_t *id, virtchnl2_op_t op,
u8 *in, u16 in_len)
{
idpf_ctlq_msg_t *ctlq_msg;
idpf_dma_mem_t *dma_mem;
int error = 0;
error = idpf_vc_clean (vm, id);
if (error)
goto err;
ctlq_msg = clib_mem_alloc (sizeof (idpf_ctlq_msg_t));
if (ctlq_msg == NULL)
goto err;
clib_memset (ctlq_msg, 0, sizeof (idpf_ctlq_msg_t));
dma_mem = clib_mem_alloc (sizeof (idpf_dma_mem_t));
if (dma_mem == NULL)
goto dma_mem_error;
clib_memset (dma_mem, 0, sizeof (idpf_dma_mem_t));
dma_mem->va = idpf_alloc_dma_mem (vm, id, dma_mem, IDPF_DFLT_MBX_BUF_SIZE);
if (dma_mem->va == NULL)
{
clib_mem_free (dma_mem);
goto err;
}
clib_memcpy (dma_mem->va, in, in_len);
ctlq_msg->opcode = idpf_mbq_opc_send_msg_to_pf;
ctlq_msg->func_id = 0;
ctlq_msg->data_len = in_len;
ctlq_msg->cookie.mbx.chnl_opcode = op;
ctlq_msg->cookie.mbx.chnl_retval = VIRTCHNL2_STATUS_SUCCESS;
ctlq_msg->ctx.indirect.payload = dma_mem;
error = idpf_ctlq_send (id, id->asq, 1, ctlq_msg);
if (error)
goto send_error;
return 0;
send_error:
idpf_free_dma_mem (id, dma_mem);
dma_mem_error:
clib_mem_free (ctlq_msg);
err:
return clib_error_return (0, "idpf send vc msg to PF failed");
}
clib_error_t *
idpf_read_one_msg (vlib_main_t *vm, idpf_device_t *id, u32 ops, u8 *buf,
u16 buf_len)
{
int i = 0, ret;
f64 suspend_time = IDPF_SEND_TO_PF_SUSPEND_TIME;
do
{
ret = idpf_read_msg_from_cp (id, buf_len, buf);
if (ret == IDPF_MSG_CMD)
break;
vlib_process_suspend (vm, suspend_time);
}
while (i++ < IDPF_SEND_TO_PF_MAX_TRY_TIMES);
if (i >= IDPF_SEND_TO_PF_MAX_TRY_TIMES ||
id->cmd_retval != VIRTCHNL2_STATUS_SUCCESS)
return clib_error_return (0, "idpf read one msg failed");
return 0;
}
clib_error_t *
idpf_execute_vc_cmd (vlib_main_t *vm, idpf_device_t *id, idpf_cmd_info_t *args)
{
clib_error_t *error = 0;
f64 suspend_time = IDPF_SEND_TO_PF_SUSPEND_TIME;
int i = 0;
if (id->pend_cmd == VIRTCHNL2_OP_UNKNOWN)
id->pend_cmd = args->ops;
else
return clib_error_return (0, "There is incomplete cmd %d", id->pend_cmd);
if ((error = idpf_send_vc_msg (vm, id, args->ops, args->in_args,
args->in_args_size)))
return error;
switch (args->ops)
{
case VIRTCHNL2_OP_VERSION:
case VIRTCHNL2_OP_GET_CAPS:
case VIRTCHNL2_OP_CREATE_VPORT:
case VIRTCHNL2_OP_DESTROY_VPORT:
case VIRTCHNL2_OP_SET_RSS_KEY:
case VIRTCHNL2_OP_SET_RSS_LUT:
case VIRTCHNL2_OP_SET_RSS_HASH:
case VIRTCHNL2_OP_CONFIG_RX_QUEUES:
case VIRTCHNL2_OP_CONFIG_TX_QUEUES:
case VIRTCHNL2_OP_ENABLE_QUEUES:
case VIRTCHNL2_OP_DISABLE_QUEUES:
case VIRTCHNL2_OP_ENABLE_VPORT:
case VIRTCHNL2_OP_DISABLE_VPORT:
case VIRTCHNL2_OP_MAP_QUEUE_VECTOR:
case VIRTCHNL2_OP_UNMAP_QUEUE_VECTOR:
case VIRTCHNL2_OP_ALLOC_VECTORS:
case VIRTCHNL2_OP_DEALLOC_VECTORS:
case VIRTCHNL2_OP_GET_STATS:
/* for init virtchnl ops, need to poll the response */
error = idpf_read_one_msg (vm, id, args->ops, args->out_buffer,
args->out_size);
if (error)
return clib_error_return (0, "idpf read vc message from PF failed");
clear_cmd (id);
break;
case VIRTCHNL2_OP_GET_PTYPE_INFO:
break;
default:
do
{
if (id->pend_cmd == VIRTCHNL2_OP_UNKNOWN)
break;
vlib_process_suspend (vm, suspend_time);
/* If don't read msg or read sys event, continue */
}
while (i++ < IDPF_SEND_TO_PF_MAX_TRY_TIMES);
/* If there's no response is received, clear command */
if (i >= IDPF_SEND_TO_PF_MAX_TRY_TIMES ||
id->cmd_retval != VIRTCHNL2_STATUS_SUCCESS)
return clib_error_return (
0, "No response or return failure (%d) for cmd %d", id->cmd_retval,
args->ops);
break;
}
return error;
}
static inline uword
idpf_dma_addr (vlib_main_t *vm, idpf_device_t *id, void *p)
{
return (id->flags & IDPF_DEVICE_F_VA_DMA) ? pointer_to_uword (p) :
vlib_physmem_get_pa (vm, p);
}
clib_error_t *
idpf_vc_config_irq_map_unmap (vlib_main_t *vm, idpf_device_t *id,
idpf_vport_t *vport, bool map)
{
virtchnl2_queue_vector_maps_t *map_info;
virtchnl2_queue_vector_t *vecmap;
u16 nb_rxq = vport->id->n_rx_queues;
idpf_cmd_info_t args;
clib_error_t *error;
int len, i;
len = sizeof (virtchnl2_queue_vector_maps_t) +
(nb_rxq - 1) * sizeof (virtchnl2_queue_vector_t);
map_info = clib_mem_alloc_aligned (len, CLIB_CACHE_LINE_BYTES);
clib_memset (map_info, 0, len);
map_info->vport_id = vport->vport_id;
map_info->num_qv_maps = nb_rxq;
for (i = 0; i < nb_rxq; i++)
{
vecmap = &map_info->qv_maps[i];
vecmap->queue_id = vport->qv_map[i].queue_id;
vecmap->vector_id = vport->qv_map[i].vector_id;
vecmap->itr_idx = VIRTCHNL2_ITR_IDX_0;
vecmap->queue_type = VIRTCHNL2_QUEUE_TYPE_RX;
}
args.ops =
map ? VIRTCHNL2_OP_MAP_QUEUE_VECTOR : VIRTCHNL2_OP_UNMAP_QUEUE_VECTOR;
args.in_args = (u8 *) map_info;
args.in_args_size = len;
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
return clib_error_return (
0, "Failed to execute command of VIRTCHNL2_OP_%s_QUEUE_VECTOR",
map ? "MAP" : "UNMAP");
clib_mem_free (map_info);
return error;
}
clib_error_t *
idpf_config_rx_queues_irqs (vlib_main_t *vm, idpf_device_t *id,
idpf_vport_t *vport)
{
virtchnl2_queue_vector_t *qv_map;
clib_error_t *error = 0;
u32 dynctl_reg_start;
u32 itrn_reg_start;
u32 dynctl_val, itrn_val;
int i;
qv_map = clib_mem_alloc_aligned (id->n_rx_queues *
sizeof (virtchnl2_queue_vector_t),
CLIB_CACHE_LINE_BYTES);
clib_memset (qv_map, 0, id->n_rx_queues * sizeof (virtchnl2_queue_vector_t));
dynctl_reg_start = vport->recv_vectors->vchunks.vchunks->dynctl_reg_start;
itrn_reg_start = vport->recv_vectors->vchunks.vchunks->itrn_reg_start;
dynctl_val = idpf_reg_read (id, dynctl_reg_start);
idpf_log_debug (id, "Value of dynctl_reg_start is 0x%x", dynctl_val);
itrn_val = idpf_reg_read (id, itrn_reg_start);
idpf_log_debug (id, "Value of itrn_reg_start is 0x%x", itrn_val);
if (itrn_val != 0)
idpf_reg_write (id, dynctl_reg_start,
VIRTCHNL2_ITR_IDX_0 << PF_GLINT_DYN_CTL_ITR_INDX_S |
PF_GLINT_DYN_CTL_WB_ON_ITR_M |
itrn_val << PF_GLINT_DYN_CTL_INTERVAL_S);
else
idpf_reg_write (id, dynctl_reg_start,
VIRTCHNL2_ITR_IDX_0 << PF_GLINT_DYN_CTL_ITR_INDX_S |
PF_GLINT_DYN_CTL_WB_ON_ITR_M |
IDPF_DFLT_INTERVAL << PF_GLINT_DYN_CTL_INTERVAL_S);
for (i = 0; i < id->n_rx_queues; i++)
{
/* map all queues to the same vector */
qv_map[i].queue_id = vport->chunks_info.rx_start_qid + i;
qv_map[i].vector_id =
vport->recv_vectors->vchunks.vchunks->start_vector_id;
}
vport->qv_map = qv_map;
if ((error = idpf_vc_config_irq_map_unmap (vm, id, vport, true)))
{
idpf_log_err (id, "config interrupt mapping failed");
goto config_irq_map_err;
}
return error;
config_irq_map_err:
clib_mem_free (vport->qv_map);
vport->qv_map = NULL;
return error;
}
clib_error_t *
idpf_rx_split_bufq_setup (vlib_main_t *vm, idpf_device_t *id,
idpf_vport_t *vport, idpf_rxq_t *bufq, u16 qid,
u16 rxq_size)
{
clib_error_t *err;
u32 n_alloc, i;
bufq->size = rxq_size;
bufq->next = 0;
bufq->descs = vlib_physmem_alloc_aligned_on_numa (
vm, bufq->size * sizeof (virtchnl2_rx_desc_t), 2 * CLIB_CACHE_LINE_BYTES,
id->numa_node);
bufq->buffer_pool_index =
vlib_buffer_pool_get_default_for_numa (vm, id->numa_node);
if ((err = vlib_pci_map_dma (vm, id->pci_dev_handle, (void *) bufq->descs)))
return err;
clib_memset ((void *) bufq->descs, 0,
bufq->size * sizeof (virtchnl2_rx_desc_t));
vec_validate_aligned (bufq->bufs, bufq->size, CLIB_CACHE_LINE_BYTES);
bufq->qrx_tail = id->bar0 + (vport->chunks_info.rx_buf_qtail_start +
qid * vport->chunks_info.rx_buf_qtail_spacing);
n_alloc = vlib_buffer_alloc_from_pool (vm, bufq->bufs, bufq->size - 8,
bufq->buffer_pool_index);
if (n_alloc == 0)
return clib_error_return (0, "buffer allocation error");
bufq->n_enqueued = n_alloc;
virtchnl2_rx_desc_t *d = bufq->descs;
for (i = 0; i < n_alloc; i++)
{
vlib_buffer_t *b = vlib_get_buffer (vm, bufq->bufs[i]);
if (id->flags & IDPF_DEVICE_F_VA_DMA)
d->qword[0] = vlib_buffer_get_va (b);
else
d->qword[0] = vlib_buffer_get_pa (vm, b);
d++;
}
return 0;
}
clib_error_t *
idpf_split_rxq_init (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
u16 qid, u16 rxq_size)
{
clib_error_t *err;
idpf_rxq_t *rxq;
u32 n_alloc, i;
vec_validate_aligned (vport->rxqs, qid, CLIB_CACHE_LINE_BYTES);
rxq = vec_elt_at_index (vport->rxqs, qid);
rxq->size = rxq_size;
rxq->next = 0;
rxq->descs = vlib_physmem_alloc_aligned_on_numa (
vm, rxq->size * sizeof (virtchnl2_rx_desc_t), 2 * CLIB_CACHE_LINE_BYTES,
id->numa_node);
rxq->buffer_pool_index =
vlib_buffer_pool_get_default_for_numa (vm, id->numa_node);
if (rxq->descs == 0)
return vlib_physmem_last_error (vm);
if ((err = vlib_pci_map_dma (vm, id->pci_dev_handle, (void *) rxq->descs)))
return err;
clib_memset ((void *) rxq->descs, 0,
rxq->size * sizeof (virtchnl2_rx_desc_t));
vec_validate_aligned (rxq->bufs, rxq->size, CLIB_CACHE_LINE_BYTES);
rxq->qrx_tail = id->bar0 + (vport->chunks_info.rx_qtail_start +
qid * vport->chunks_info.rx_qtail_spacing);
n_alloc = vlib_buffer_alloc_from_pool (vm, rxq->bufs, rxq->size - 8,
rxq->buffer_pool_index);
if (n_alloc == 0)
return clib_error_return (0, "buffer allocation error");
rxq->n_enqueued = n_alloc;
virtchnl2_rx_desc_t *d = rxq->descs;
for (i = 0; i < n_alloc; i++)
{
vlib_buffer_t *b = vlib_get_buffer (vm, rxq->bufs[i]);
if (id->flags & IDPF_DEVICE_F_VA_DMA)
d->qword[0] = vlib_buffer_get_va (b);
else
d->qword[0] = vlib_buffer_get_pa (vm, b);
d++;
}
err =
idpf_rx_split_bufq_setup (vm, id, vport, rxq->bufq1, 2 * qid, rxq_size);
if (err)
return err;
err =
idpf_rx_split_bufq_setup (vm, id, vport, rxq->bufq2, 2 * qid, rxq_size);
if (err)
return err;
return 0;
}
clib_error_t *
idpf_single_rxq_init (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
u16 qid, u16 rxq_size)
{
clib_error_t *err;
idpf_rxq_t *rxq;
u32 n_alloc, i;
vec_validate_aligned (vport->rxqs, qid, CLIB_CACHE_LINE_BYTES);
rxq = vec_elt_at_index (vport->rxqs, qid);
rxq->queue_index = vport->chunks_info.rx_start_qid + qid;
rxq->size = rxq_size;
rxq->next = 0;
rxq->descs = vlib_physmem_alloc_aligned_on_numa (
vm, rxq->size * sizeof (virtchnl2_rx_desc_t), 2 * CLIB_CACHE_LINE_BYTES,
id->numa_node);
rxq->buffer_pool_index =
vlib_buffer_pool_get_default_for_numa (vm, id->numa_node);
if (rxq->descs == 0)
return vlib_physmem_last_error (vm);
err = vlib_pci_map_dma (vm, id->pci_dev_handle, (void *) rxq->descs);
if (err)
return err;
clib_memset ((void *) rxq->descs, 0,
rxq->size * sizeof (virtchnl2_rx_desc_t));
vec_validate_aligned (rxq->bufs, rxq->size, CLIB_CACHE_LINE_BYTES);
rxq->qrx_tail = id->bar0 + (vport->chunks_info.rx_qtail_start +
qid * vport->chunks_info.rx_qtail_spacing);
n_alloc = vlib_buffer_alloc_from_pool (vm, rxq->bufs, rxq->size - 8,
rxq->buffer_pool_index);
if (n_alloc == 0)
return clib_error_return (0, "buffer allocation error");
rxq->n_enqueued = n_alloc;
virtchnl2_rx_desc_t *d = rxq->descs;
for (i = 0; i < n_alloc; i++)
{
vlib_buffer_t *b = vlib_get_buffer (vm, rxq->bufs[i]);
if (id->flags & IDPF_DEVICE_F_VA_DMA)
d->qword[0] = vlib_buffer_get_va (b);
else
d->qword[0] = vlib_buffer_get_pa (vm, b);
d++;
}
return 0;
}
clib_error_t *
idpf_rx_queue_setup (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
u16 qid, u16 rxq_size)
{
if (vport->rxq_model == VIRTCHNL2_QUEUE_MODEL_SINGLE)
return idpf_single_rxq_init (vm, id, vport, qid, rxq_size);
else
return idpf_split_rxq_init (vm, id, vport, qid, rxq_size);
}
clib_error_t *
idpf_tx_split_complq_setup (vlib_main_t *vm, idpf_device_t *id,
idpf_vport_t *vport, idpf_txq_t *complq, u16 qid,
u16 txq_size)
{
clib_error_t *err;
u16 n;
u8 bpi = vlib_buffer_pool_get_default_for_numa (vm, id->numa_node);
complq->size = txq_size;
complq->next = 0;
clib_spinlock_init (&complq->lock);
n = (complq->size / 510) + 1;
vec_validate_aligned (complq->ph_bufs, n, CLIB_CACHE_LINE_BYTES);
if (!vlib_buffer_alloc_from_pool (vm, complq->ph_bufs, n, bpi))
return clib_error_return (0, "buffer allocation error");
complq->descs = vlib_physmem_alloc_aligned_on_numa (
vm, complq->size * sizeof (idpf_tx_desc_t), 2 * CLIB_CACHE_LINE_BYTES,
id->numa_node);
if (complq->descs == 0)
return vlib_physmem_last_error (vm);
if ((err =
vlib_pci_map_dma (vm, id->pci_dev_handle, (void *) complq->descs)))
return err;
vec_validate_aligned (complq->bufs, complq->size, CLIB_CACHE_LINE_BYTES);
complq->qtx_tail =
id->bar0 + (vport->chunks_info.tx_compl_qtail_start +
qid * vport->chunks_info.tx_compl_qtail_spacing);
/* initialize ring of pending RS slots */
clib_ring_new_aligned (complq->rs_slots, 32, CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (complq->tmp_descs, complq->size,
CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (complq->tmp_bufs, complq->size, CLIB_CACHE_LINE_BYTES);
return 0;
}
clib_error_t *
idpf_split_txq_init (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
u16 qid, u16 txq_size)
{
clib_error_t *err;
idpf_txq_t *txq;
u16 n, complq_qid;
u8 bpi = vlib_buffer_pool_get_default_for_numa (vm, id->numa_node);
vec_validate_aligned (vport->txqs, qid, CLIB_CACHE_LINE_BYTES);
txq = vec_elt_at_index (vport->txqs, qid);
txq->size = txq_size;
txq->next = 0;
clib_spinlock_init (&txq->lock);
n = (txq->size / 510) + 1;
vec_validate_aligned (txq->ph_bufs, n, CLIB_CACHE_LINE_BYTES);
if (!vlib_buffer_alloc_from_pool (vm, txq->ph_bufs, n, bpi))
return clib_error_return (0, "buffer allocation error");
txq->descs = vlib_physmem_alloc_aligned_on_numa (
vm, txq->size * sizeof (idpf_tx_desc_t), 2 * CLIB_CACHE_LINE_BYTES,
id->numa_node);
if (txq->descs == 0)
return vlib_physmem_last_error (vm);
err = vlib_pci_map_dma (vm, id->pci_dev_handle, (void *) txq->descs);
if (err)
return err;
vec_validate_aligned (txq->bufs, txq->size, CLIB_CACHE_LINE_BYTES);
txq->qtx_tail = id->bar0 + (vport->chunks_info.tx_qtail_start +
qid * vport->chunks_info.tx_qtail_spacing);
/* initialize ring of pending RS slots */
clib_ring_new_aligned (txq->rs_slots, 32, CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (txq->tmp_descs, txq->size, CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (txq->tmp_bufs, txq->size, CLIB_CACHE_LINE_BYTES);
complq_qid = vport->chunks_info.tx_compl_start_qid + qid;
err = idpf_tx_split_complq_setup (vm, id, vport, txq->complq, complq_qid,
2 * txq_size);
if (err)
return err;
return 0;
}
clib_error_t *
idpf_single_txq_init (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
u16 qid, u16 txq_size)
{
clib_error_t *err;
idpf_txq_t *txq;
u16 n;
u8 bpi = vlib_buffer_pool_get_default_for_numa (vm, id->numa_node);
vec_validate_aligned (vport->txqs, qid, CLIB_CACHE_LINE_BYTES);
txq = vec_elt_at_index (vport->txqs, qid);
txq->queue_index = vport->chunks_info.tx_start_qid + qid;
txq->size = txq_size;
txq->next = 0;
clib_spinlock_init (&txq->lock);
n = (txq->size / 510) + 1;
vec_validate_aligned (txq->ph_bufs, n, CLIB_CACHE_LINE_BYTES);
if (!vlib_buffer_alloc_from_pool (vm, txq->ph_bufs, n, bpi))
return clib_error_return (0, "buffer allocation error");
txq->descs = vlib_physmem_alloc_aligned_on_numa (
vm, txq->size * sizeof (idpf_tx_desc_t), 2 * CLIB_CACHE_LINE_BYTES,
id->numa_node);
if (txq->descs == 0)
return vlib_physmem_last_error (vm);
err = vlib_pci_map_dma (vm, id->pci_dev_handle, (void *) txq->descs);
if (err)
return err;
vec_validate_aligned (txq->bufs, txq->size, CLIB_CACHE_LINE_BYTES);
txq->qtx_tail = id->bar0 + (vport->chunks_info.tx_qtail_start +
qid * vport->chunks_info.tx_qtail_spacing);
/* initialize ring of pending RS slots */
clib_ring_new_aligned (txq->rs_slots, 32, CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (txq->tmp_descs, txq->size, CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (txq->tmp_bufs, txq->size, CLIB_CACHE_LINE_BYTES);
return 0;
}
clib_error_t *
idpf_tx_queue_setup (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
u16 qid, u16 txq_size)
{
if (vport->txq_model == VIRTCHNL2_QUEUE_MODEL_SINGLE)
return idpf_single_txq_init (vm, id, vport, qid, txq_size);
else
return idpf_split_txq_init (vm, id, vport, qid, txq_size);
}
clib_error_t *
idpf_vc_config_txq (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
u16 qid)
{
idpf_txq_t *txq;
virtchnl2_config_tx_queues_t *vc_txqs = NULL;
virtchnl2_txq_info_t *txq_info;
idpf_cmd_info_t args;
clib_error_t *error;
u16 num_qs;
int size;
vec_validate_aligned (vport->txqs, qid, CLIB_CACHE_LINE_BYTES);
txq = vec_elt_at_index (vport->txqs, qid);
if (vport->txq_model == VIRTCHNL2_QUEUE_MODEL_SINGLE)
num_qs = IDPF_TXQ_PER_GRP;
else
num_qs = IDPF_TXQ_PER_GRP + IDPF_TX_COMPLQ_PER_GRP;
size = sizeof (*vc_txqs) + (num_qs - 1) * sizeof (virtchnl2_txq_info_t);
vc_txqs = clib_mem_alloc_aligned (size, CLIB_CACHE_LINE_BYTES);
clib_memset (vc_txqs, 0, size);
vc_txqs->vport_id = vport->vport_id;
vc_txqs->num_qinfo = num_qs;
if (vport->txq_model == VIRTCHNL2_QUEUE_MODEL_SINGLE)
{
txq_info = &vc_txqs->qinfo[0];
txq_info->dma_ring_addr = idpf_dma_addr (vm, id, (void *) txq->descs);
txq_info->type = VIRTCHNL2_QUEUE_TYPE_TX;
txq_info->queue_id = txq->queue_index;
txq_info->model = VIRTCHNL2_QUEUE_MODEL_SINGLE;
txq_info->sched_mode = VIRTCHNL2_TXQ_SCHED_MODE_QUEUE;
txq_info->ring_len = txq->size;
}
else
{
/* txq info */
txq_info = &vc_txqs->qinfo[0];
txq_info->dma_ring_addr = idpf_dma_addr (vm, id, (void *) txq->descs);
txq_info->type = VIRTCHNL2_QUEUE_TYPE_TX;
txq_info->queue_id = txq->queue_index;
txq_info->model = VIRTCHNL2_QUEUE_MODEL_SPLIT;
txq_info->sched_mode = VIRTCHNL2_TXQ_SCHED_MODE_FLOW;
txq_info->ring_len = txq->size;
txq_info->tx_compl_queue_id = txq->complq->queue_index;
txq_info->relative_queue_id = txq_info->queue_id;
/* tx completion queue info */
idpf_txq_t *complq = txq->complq;
txq_info = &vc_txqs->qinfo[1];
txq_info->dma_ring_addr = idpf_dma_addr (vm, id, (void *) complq->descs);
txq_info->type = VIRTCHNL2_QUEUE_TYPE_TX_COMPLETION;
txq_info->queue_id = complq->queue_index;
txq_info->model = VIRTCHNL2_QUEUE_MODEL_SPLIT;
txq_info->sched_mode = VIRTCHNL2_TXQ_SCHED_MODE_FLOW;
txq_info->ring_len = complq->size;
}
clib_memset (&args, 0, sizeof (args));
args.ops = VIRTCHNL2_OP_CONFIG_TX_QUEUES;
args.in_args = (u8 *) vc_txqs;
args.in_args_size = size;
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
clib_mem_free (vc_txqs);
if (error != 0)
return clib_error_return (
0, "Failed to execute command VIRTCHNL2_OP_CONFIG_TX_QUEUES");
return error;
}
clib_error_t *
idpf_vc_config_rxq (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
u16 qid)
{
idpf_rxq_t *rxq;
virtchnl2_config_rx_queues_t *vc_rxqs = NULL;
virtchnl2_rxq_info_t *rxq_info;
idpf_cmd_info_t args;
clib_error_t *error;
u16 num_qs;
int size, i;
vec_validate_aligned (vport->rxqs, qid, CLIB_CACHE_LINE_BYTES);
rxq = vec_elt_at_index (vport->rxqs, qid);
if (vport->rxq_model == VIRTCHNL2_QUEUE_MODEL_SINGLE)
num_qs = IDPF_RXQ_PER_GRP;
else
num_qs = IDPF_RXQ_PER_GRP + IDPF_RX_BUFQ_PER_GRP;
size = sizeof (*vc_rxqs) + (num_qs - 1) * sizeof (virtchnl2_rxq_info_t);
vc_rxqs = clib_mem_alloc_aligned (size, CLIB_CACHE_LINE_BYTES);
clib_memset (vc_rxqs, 0, size);
vc_rxqs->vport_id = vport->vport_id;
vc_rxqs->num_qinfo = num_qs;
if (vport->rxq_model == VIRTCHNL2_QUEUE_MODEL_SINGLE)
{
rxq_info = &vc_rxqs->qinfo[0];
rxq_info->dma_ring_addr = idpf_dma_addr (vm, id, (void *) rxq->descs);
rxq_info->type = VIRTCHNL2_QUEUE_TYPE_RX;
rxq_info->queue_id = rxq->queue_index;
rxq_info->model = VIRTCHNL2_QUEUE_MODEL_SINGLE;
rxq_info->data_buffer_size = vlib_buffer_get_default_data_size (vm);
rxq_info->max_pkt_size = ETHERNET_MAX_PACKET_BYTES;
rxq_info->desc_ids = VIRTCHNL2_RXDID_2_FLEX_SQ_NIC_M;
rxq_info->qflags |= VIRTCHNL2_RX_DESC_SIZE_32BYTE;
rxq_info->ring_len = rxq->size;
}
else
{
/* Rx queue */
rxq_info = &vc_rxqs->qinfo[0];
rxq_info->dma_ring_addr = idpf_dma_addr (vm, id, (void *) rxq->descs);
rxq_info->type = VIRTCHNL2_QUEUE_TYPE_RX;
rxq_info->queue_id = rxq->queue_index;
rxq_info->model = VIRTCHNL2_QUEUE_MODEL_SINGLE;
rxq_info->data_buffer_size = vlib_buffer_get_default_data_size (vm);
rxq_info->max_pkt_size = ETHERNET_MAX_PACKET_BYTES;
rxq_info->desc_ids = VIRTCHNL2_RXDID_2_FLEX_SPLITQ_M;
rxq_info->qflags |= VIRTCHNL2_RX_DESC_SIZE_32BYTE;
rxq_info->ring_len = rxq->size;
rxq_info->rx_bufq1_id = rxq->bufq1->queue_index;
rxq_info->rx_bufq2_id = rxq->bufq2->queue_index;
rxq_info->rx_buffer_low_watermark = 64;
/* Buffer queue */
for (i = 1; i <= IDPF_RX_BUFQ_PER_GRP; i++)
{
idpf_rxq_t *bufq = (i == 1 ? rxq->bufq1 : rxq->bufq2);
rxq_info = &vc_rxqs->qinfo[i];
rxq_info->dma_ring_addr =
idpf_dma_addr (vm, id, (void *) bufq->descs);
rxq_info->type = VIRTCHNL2_QUEUE_TYPE_RX_BUFFER;
rxq_info->queue_id = bufq->queue_index;
rxq_info->model = VIRTCHNL2_QUEUE_MODEL_SPLIT;
rxq_info->data_buffer_size = vlib_buffer_get_default_data_size (vm);
rxq_info->desc_ids = VIRTCHNL2_RXDID_2_FLEX_SPLITQ_M;
rxq_info->ring_len = bufq->size;
rxq_info->buffer_notif_stride = IDPF_RX_BUF_STRIDE;
rxq_info->rx_buffer_low_watermark = 64;
}
}
clib_memset (&args, 0, sizeof (args));
args.ops = VIRTCHNL2_OP_CONFIG_RX_QUEUES;
args.in_args = (u8 *) vc_rxqs;
args.in_args_size = size;
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
clib_mem_free (vc_rxqs);
if (error != 0)
return clib_error_return (
0, "Failed to execute command VIRTCHNL2_OP_CONFIG_RX_QUEUES");
return error;
}
clib_error_t *
idpf_alloc_vectors (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
uint16_t num_vectors)
{
virtchnl2_alloc_vectors_t *alloc_vec;
idpf_cmd_info_t args;
clib_error_t *error;
int len;
len = sizeof (virtchnl2_alloc_vectors_t) +
(num_vectors - 1) * sizeof (virtchnl2_vector_chunk_t);
alloc_vec = clib_mem_alloc_aligned (len, CLIB_CACHE_LINE_BYTES);
clib_memset (alloc_vec, 0, len);
alloc_vec->num_vectors = num_vectors;
args.ops = VIRTCHNL2_OP_ALLOC_VECTORS;
args.in_args = (u8 *) alloc_vec;
args.in_args_size = sizeof (virtchnl2_alloc_vectors_t);
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
return clib_error_return (
0, "Failed to execute command VIRTCHNL2_OP_ALLOC_VECTORS");
if (vport->recv_vectors == NULL)
{
vport->recv_vectors =
clib_mem_alloc_aligned (len, CLIB_CACHE_LINE_BYTES);
clib_memset (vport->recv_vectors, 0, len);
}
clib_memcpy (vport->recv_vectors, args.out_buffer, len);
clib_mem_free (alloc_vec);
return error;
}
clib_error_t *
idpf_vc_ena_dis_one_queue (vlib_main_t *vm, idpf_device_t *id,
idpf_vport_t *vport, u16 qid, u32 type, bool on)
{
virtchnl2_del_ena_dis_queues_t *queue_select;
virtchnl2_queue_chunk_t *queue_chunk;
idpf_cmd_info_t args;
clib_error_t *error = 0;
int len;
len = sizeof (virtchnl2_del_ena_dis_queues_t);
queue_select = clib_mem_alloc_aligned (len, CLIB_CACHE_LINE_BYTES);
clib_memset (queue_select, 0, len);
queue_chunk = queue_select->chunks.chunks;
queue_select->chunks.num_chunks = 1;
queue_select->vport_id = vport->vport_id;
queue_chunk->type = type;
queue_chunk->start_queue_id = qid;
queue_chunk->num_queues = 1;
args.ops = on ? VIRTCHNL2_OP_ENABLE_QUEUES : VIRTCHNL2_OP_DISABLE_QUEUES;
args.in_args = (u8 *) queue_select;
args.in_args_size = len;
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
return clib_error_return (
0, "Failed to execute command of VIRTCHNL2_OP_%s_QUEUES",
on ? "ENABLE" : "DISABLE");
clib_mem_free (queue_select);
return error;
}
clib_error_t *
idpf_op_enable_queues (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
u16 qid, bool rx, bool on)
{
clib_error_t *error;
u16 queue_index;
u32 type;
/* switch txq/rxq */
type = rx ? VIRTCHNL2_QUEUE_TYPE_RX : VIRTCHNL2_QUEUE_TYPE_TX;
if (type == VIRTCHNL2_QUEUE_TYPE_RX)
{
queue_index = vport->chunks_info.rx_start_qid + qid;
error = idpf_vc_ena_dis_one_queue (vm, id, vport, queue_index, type, on);
}
else
{
queue_index = vport->chunks_info.tx_start_qid + qid;
error = idpf_vc_ena_dis_one_queue (vm, id, vport, queue_index, type, on);
}
if (error != 0)
return error;
/* switch tx completion queue */
if (!rx && vport->txq_model == VIRTCHNL2_QUEUE_MODEL_SPLIT)
{
type = VIRTCHNL2_QUEUE_TYPE_TX_COMPLETION;
queue_index = vport->chunks_info.tx_compl_start_qid + qid;
error = idpf_vc_ena_dis_one_queue (vm, id, vport, queue_index, type, on);
if (error != 0)
return error;
}
/* switch rx buffer queue */
if (rx && vport->rxq_model == VIRTCHNL2_QUEUE_MODEL_SPLIT)
{
type = VIRTCHNL2_QUEUE_TYPE_RX_BUFFER;
queue_index = vport->chunks_info.rx_buf_start_qid + 2 * qid;
error = idpf_vc_ena_dis_one_queue (vm, id, vport, queue_index, type, on);
if (error != 0)
return error;
queue_index++;
error = idpf_vc_ena_dis_one_queue (vm, id, vport, queue_index, type, on);
if (error != 0)
return error;
}
return error;
}
clib_error_t *
idpf_queue_init (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
idpf_create_if_args_t *args)
{
clib_error_t *error = 0;
int i;
for (i = 0; i < id->n_rx_queues; i++)
{
if ((error = idpf_rx_queue_setup (vm, id, vport, i, args->rxq_size)))
return error;
if ((error = idpf_vc_config_rxq (vm, id, vport, i)))
return error;
if ((error = idpf_op_enable_queues (vm, id, vport, i, true, true)))
return error;
}
for (i = 0; i < id->n_tx_queues; i++)
{
if ((error = idpf_tx_queue_setup (vm, id, vport, i, args->txq_size)))
return error;
if ((error = idpf_vc_config_txq (vm, id, vport, i)))
return error;
if ((error = idpf_op_enable_queues (vm, id, vport, i, false, true)))
return error;
}
if ((error = idpf_alloc_vectors (vm, id, vport, IDPF_DFLT_Q_VEC_NUM)))
return error;
if ((error = idpf_config_rx_queues_irqs (vm, id, vport)))
return error;
return error;
}
clib_error_t *
idpf_op_version (vlib_main_t *vm, idpf_device_t *id)
{
clib_error_t *error = 0;
idpf_cmd_info_t args;
virtchnl2_version_info_t myver = {
.major = VIRTCHNL2_VERSION_MAJOR_2,
.minor = VIRTCHNL2_VERSION_MINOR_0,
};
virtchnl2_version_info_t ver = { 0 };
idpf_log_debug (id, "version: major %u minor %u", myver.major, myver.minor);
args.ops = VIRTCHNL2_OP_VERSION;
args.in_args = (u8 *) &myver;
args.in_args_size = sizeof (myver);
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
return clib_error_return (0,
"Failed to execute command VIRTCHNL_OP_VERSION");
clib_memcpy (&ver, args.out_buffer, sizeof (ver));
if (ver.major != VIRTCHNL2_VERSION_MAJOR_2 ||
ver.minor != VIRTCHNL2_VERSION_MINOR_0)
return clib_error_return (0,
"incompatible virtchnl version "
"(remote %d.%d)",
ver.major, ver.minor);
return 0;
}
clib_error_t *
idpf_op_get_caps (vlib_main_t *vm, idpf_device_t *id,
virtchnl2_get_capabilities_t *caps)
{
virtchnl2_get_capabilities_t caps_msg = { 0 };
idpf_cmd_info_t args;
clib_error_t *error = 0;
caps_msg.csum_caps =
VIRTCHNL2_CAP_TX_CSUM_L3_IPV4 | VIRTCHNL2_CAP_TX_CSUM_L4_IPV4_TCP |
VIRTCHNL2_CAP_TX_CSUM_L4_IPV4_UDP | VIRTCHNL2_CAP_TX_CSUM_L4_IPV4_SCTP |
VIRTCHNL2_CAP_TX_CSUM_L4_IPV6_TCP | VIRTCHNL2_CAP_TX_CSUM_L4_IPV6_UDP |
VIRTCHNL2_CAP_TX_CSUM_L4_IPV6_SCTP | VIRTCHNL2_CAP_TX_CSUM_GENERIC |
VIRTCHNL2_CAP_RX_CSUM_L3_IPV4 | VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_TCP |
VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_UDP | VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_SCTP |
VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_TCP | VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_UDP |
VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_SCTP | VIRTCHNL2_CAP_RX_CSUM_GENERIC;
caps_msg.other_caps = VIRTCHNL2_CAP_WB_ON_ITR;
args.ops = VIRTCHNL2_OP_GET_CAPS;
args.in_args = (u8 *) &caps_msg;
args.in_args_size = sizeof (caps_msg);
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
return clib_error_return (
0, "Failed to execute command VIRTCHNL2_OP_GET_CAPS");
clib_memcpy (caps, args.out_buffer, sizeof (*caps));
return error;
}
#define CTLQ_NUM 2
clib_error_t *
idpf_mbx_init (vlib_main_t *vm, idpf_device_t *id)
{
idpf_ctlq_create_info_t ctlq_info[CTLQ_NUM] = {
{
.type = IDPF_CTLQ_TYPE_MAILBOX_TX,
.id = IDPF_CTLQ_ID,
.len = IDPF_CTLQ_LEN,
.buf_size = IDPF_DFLT_MBX_BUF_SIZE,
.reg = {
.head = PF_FW_ATQH,
.tail = PF_FW_ATQT,
.len = PF_FW_ATQLEN,
.bah = PF_FW_ATQBAH,
.bal = PF_FW_ATQBAL,
.len_mask = PF_FW_ATQLEN_ATQLEN_M,
.len_ena_mask = PF_FW_ATQLEN_ATQENABLE_M,
.head_mask = PF_FW_ATQH_ATQH_M,
}
},
{
.type = IDPF_CTLQ_TYPE_MAILBOX_RX,
.id = IDPF_CTLQ_ID,
.len = IDPF_CTLQ_LEN,
.buf_size = IDPF_DFLT_MBX_BUF_SIZE,
.reg = {
.head = PF_FW_ARQH,
.tail = PF_FW_ARQT,
.len = PF_FW_ARQLEN,
.bah = PF_FW_ARQBAH,
.bal = PF_FW_ARQBAL,
.len_mask = PF_FW_ARQLEN_ARQLEN_M,
.len_ena_mask = PF_FW_ARQLEN_ARQENABLE_M,
.head_mask = PF_FW_ARQH_ARQH_M,
}
}
};
struct idpf_ctlq_info *ctlq;
if (idpf_ctlq_init (vm, id, CTLQ_NUM, ctlq_info))
return clib_error_return (0, "ctlq init failed");
LIST_FOR_EACH_ENTRY_SAFE (ctlq, NULL, &id->cq_list_head,
struct idpf_ctlq_info, cq_list)
{
if (ctlq->q_id == IDPF_CTLQ_ID &&
ctlq->cq_type == IDPF_CTLQ_TYPE_MAILBOX_TX)
id->asq = ctlq;
if (ctlq->q_id == IDPF_CTLQ_ID &&
ctlq->cq_type == IDPF_CTLQ_TYPE_MAILBOX_RX)
id->arq = ctlq;
}
if (!id->asq || !id->arq)
{
idpf_ctlq_deinit (id);
return clib_error_return (0, "ctlq deinit");
}
return 0;
}
clib_error_t *
idpf_vc_query_ptype_info (vlib_main_t *vm, idpf_device_t *id)
{
virtchnl2_get_ptype_info_t ptype_info;
idpf_cmd_info_t args;
clib_error_t *error;
ptype_info.start_ptype_id = 0;
ptype_info.num_ptypes = IDPF_MAX_PKT_TYPE;
args.ops = VIRTCHNL2_OP_GET_PTYPE_INFO;
args.in_args = (u8 *) &ptype_info;
args.in_args_size = sizeof (virtchnl2_get_ptype_info_t);
args.out_buffer = NULL;
args.out_size = 0;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
return clib_error_return (
0, "Failed to execute command VIRTCHNL2_OP_GET_PTYPE_INFO");
return error;
}
clib_error_t *
idpf_get_pkt_type (vlib_main_t *vm, idpf_device_t *id)
{
virtchnl2_get_ptype_info_t *ptype_info;
u16 ptype_recvd = 0, ptype_offset, i, j;
clib_error_t *error;
error = idpf_vc_query_ptype_info (vm, id);
if (error != 0)
return clib_error_return (0, "Fail to query packet type information");
ptype_info =
clib_mem_alloc_aligned (IDPF_DFLT_MBX_BUF_SIZE, CLIB_CACHE_LINE_BYTES);
while (ptype_recvd < IDPF_MAX_PKT_TYPE)
{
error = idpf_read_one_msg (vm, id, VIRTCHNL2_OP_GET_PTYPE_INFO,
(u8 *) ptype_info, IDPF_DFLT_MBX_BUF_SIZE);
if (error != 0)
{
error = clib_error_return (0, "Fail to get packet type information");
goto free_ptype_info;
}
ptype_recvd += ptype_info->num_ptypes;
ptype_offset =
sizeof (virtchnl2_get_ptype_info_t) - sizeof (virtchnl2_ptype_t);
for (i = 0; i < ptype_info->num_ptypes; i++)
{
bool is_inner = false, is_ip = false;
virtchnl2_ptype_t *ptype;
u32 proto_hdr = 0;
ptype = (virtchnl2_ptype_t *) ((u8 *) ptype_info + ptype_offset);
ptype_offset += IDPF_GET_PTYPE_SIZE (ptype);
if (ptype_offset > IDPF_DFLT_MBX_BUF_SIZE)
{
error =
clib_error_return (0, "Ptype offset exceeds mbx buffer size");
goto free_ptype_info;
}
if (ptype->ptype_id_10 == 0xFFFF)
goto free_ptype_info;
for (j = 0; j < ptype->proto_id_count; j++)
{
switch (ptype->proto_id[j])
{
case VIRTCHNL2_PROTO_HDR_GRE:
case VIRTCHNL2_PROTO_HDR_VXLAN:
proto_hdr &= ~IDPF_PTYPE_L4_MASK;
proto_hdr |= IDPF_PTYPE_TUNNEL_GRENAT;
is_inner = true;
break;
case VIRTCHNL2_PROTO_HDR_MAC:
if (is_inner)
{
proto_hdr &= ~IDPF_PTYPE_INNER_L2_MASK;
proto_hdr |= IDPF_PTYPE_INNER_L2_ETHER;
}
else
{
proto_hdr &= ~IDPF_PTYPE_L2_MASK;
proto_hdr |= IDPF_PTYPE_L2_ETHER;
}
break;
case VIRTCHNL2_PROTO_HDR_VLAN:
if (is_inner)
{
proto_hdr &= ~IDPF_PTYPE_INNER_L2_MASK;
proto_hdr |= IDPF_PTYPE_INNER_L2_ETHER_VLAN;
}
break;
case VIRTCHNL2_PROTO_HDR_PTP:
proto_hdr &= ~IDPF_PTYPE_L2_MASK;
proto_hdr |= IDPF_PTYPE_L2_ETHER_TIMESYNC;
break;
case VIRTCHNL2_PROTO_HDR_LLDP:
proto_hdr &= ~IDPF_PTYPE_L2_MASK;
proto_hdr |= IDPF_PTYPE_L2_ETHER_LLDP;
break;
case VIRTCHNL2_PROTO_HDR_ARP:
proto_hdr &= ~IDPF_PTYPE_L2_MASK;
proto_hdr |= IDPF_PTYPE_L2_ETHER_ARP;
break;
case VIRTCHNL2_PROTO_HDR_PPPOE:
proto_hdr &= ~IDPF_PTYPE_L2_MASK;
proto_hdr |= IDPF_PTYPE_L2_ETHER_PPPOE;
break;
case VIRTCHNL2_PROTO_HDR_IPV4:
if (!is_ip)
{
proto_hdr |= IDPF_PTYPE_L3_IPV4_EXT_UNKNOWN;
is_ip = true;
}
else
{
proto_hdr |= IDPF_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN |
IDPF_PTYPE_TUNNEL_IP;
is_inner = true;
}
break;
case VIRTCHNL2_PROTO_HDR_IPV6:
if (!is_ip)
{
proto_hdr |= IDPF_PTYPE_L3_IPV6_EXT_UNKNOWN;
is_ip = true;
}
else
{
proto_hdr |= IDPF_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN |
IDPF_PTYPE_TUNNEL_IP;
is_inner = true;
}
break;
case VIRTCHNL2_PROTO_HDR_IPV4_FRAG:
case VIRTCHNL2_PROTO_HDR_IPV6_FRAG:
if (is_inner)
proto_hdr |= IDPF_PTYPE_INNER_L4_FRAG;
else
proto_hdr |= IDPF_PTYPE_L4_FRAG;
break;
case VIRTCHNL2_PROTO_HDR_UDP:
if (is_inner)
proto_hdr |= IDPF_PTYPE_INNER_L4_UDP;
else
proto_hdr |= IDPF_PTYPE_L4_UDP;
break;
case VIRTCHNL2_PROTO_HDR_TCP:
if (is_inner)
proto_hdr |= IDPF_PTYPE_INNER_L4_TCP;
else
proto_hdr |= IDPF_PTYPE_L4_TCP;
break;
case VIRTCHNL2_PROTO_HDR_SCTP:
if (is_inner)
proto_hdr |= IDPF_PTYPE_INNER_L4_SCTP;
else
proto_hdr |= IDPF_PTYPE_L4_SCTP;
break;
case VIRTCHNL2_PROTO_HDR_ICMP:
if (is_inner)
proto_hdr |= IDPF_PTYPE_INNER_L4_ICMP;
else
proto_hdr |= IDPF_PTYPE_L4_ICMP;
break;
case VIRTCHNL2_PROTO_HDR_ICMPV6:
if (is_inner)
proto_hdr |= IDPF_PTYPE_INNER_L4_ICMP;
else
proto_hdr |= IDPF_PTYPE_L4_ICMP;
break;
case VIRTCHNL2_PROTO_HDR_L2TPV2:
case VIRTCHNL2_PROTO_HDR_L2TPV2_CONTROL:
case VIRTCHNL2_PROTO_HDR_L2TPV3:
is_inner = true;
proto_hdr |= IDPF_PTYPE_TUNNEL_L2TP;
break;
case VIRTCHNL2_PROTO_HDR_NVGRE:
is_inner = true;
proto_hdr |= IDPF_PTYPE_TUNNEL_NVGRE;
break;
case VIRTCHNL2_PROTO_HDR_GTPC_TEID:
is_inner = true;
proto_hdr |= IDPF_PTYPE_TUNNEL_GTPC;
break;
case VIRTCHNL2_PROTO_HDR_GTPU:
case VIRTCHNL2_PROTO_HDR_GTPU_UL:
case VIRTCHNL2_PROTO_HDR_GTPU_DL:
is_inner = true;
proto_hdr |= IDPF_PTYPE_TUNNEL_GTPU;
break;
case VIRTCHNL2_PROTO_HDR_PAY:
case VIRTCHNL2_PROTO_HDR_IPV6_EH:
case VIRTCHNL2_PROTO_HDR_PRE_MAC:
case VIRTCHNL2_PROTO_HDR_POST_MAC:
case VIRTCHNL2_PROTO_HDR_ETHERTYPE:
case VIRTCHNL2_PROTO_HDR_SVLAN:
case VIRTCHNL2_PROTO_HDR_CVLAN:
case VIRTCHNL2_PROTO_HDR_MPLS:
case VIRTCHNL2_PROTO_HDR_MMPLS:
case VIRTCHNL2_PROTO_HDR_CTRL:
case VIRTCHNL2_PROTO_HDR_ECP:
case VIRTCHNL2_PROTO_HDR_EAPOL:
case VIRTCHNL2_PROTO_HDR_PPPOD:
case VIRTCHNL2_PROTO_HDR_IGMP:
case VIRTCHNL2_PROTO_HDR_AH:
case VIRTCHNL2_PROTO_HDR_ESP:
case VIRTCHNL2_PROTO_HDR_IKE:
case VIRTCHNL2_PROTO_HDR_NATT_KEEP:
case VIRTCHNL2_PROTO_HDR_GTP:
case VIRTCHNL2_PROTO_HDR_GTP_EH:
case VIRTCHNL2_PROTO_HDR_GTPCV2:
case VIRTCHNL2_PROTO_HDR_ECPRI:
case VIRTCHNL2_PROTO_HDR_VRRP:
case VIRTCHNL2_PROTO_HDR_OSPF:
case VIRTCHNL2_PROTO_HDR_TUN:
case VIRTCHNL2_PROTO_HDR_VXLAN_GPE:
case VIRTCHNL2_PROTO_HDR_GENEVE:
case VIRTCHNL2_PROTO_HDR_NSH:
case VIRTCHNL2_PROTO_HDR_QUIC:
case VIRTCHNL2_PROTO_HDR_PFCP:
case VIRTCHNL2_PROTO_HDR_PFCP_NODE:
case VIRTCHNL2_PROTO_HDR_PFCP_SESSION:
case VIRTCHNL2_PROTO_HDR_RTP:
case VIRTCHNL2_PROTO_HDR_NO_PROTO:
default:
continue;
}
id->ptype_tbl[ptype->ptype_id_10] = proto_hdr;
}
}
}
free_ptype_info:
clib_mem_free (ptype_info);
clear_cmd (id);
return error;
}
static void
idpf_reset_pf (idpf_device_t *id)
{
u32 reg;
reg = idpf_reg_read (id, PFGEN_CTRL);
idpf_reg_write (id, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR));
}
#define IDPF_RESET_WAIT_CNT 100
clib_error_t *
idpf_check_pf_reset_done (vlib_main_t *vm, idpf_device_t *id)
{
u32 reg;
int i;
for (i = 0; i < IDPF_RESET_WAIT_CNT; i++)
{
reg = idpf_reg_read (id, PFGEN_RSTAT);
if (reg != 0xFFFFFFFF && (reg & PFGEN_RSTAT_PFR_STATE_M))
return 0;
vlib_process_suspend (vm, 1.0);
}
return clib_error_return (0, "pf reset time out");
}
void
idpf_init_vport_req_info (idpf_device_t *id,
virtchnl2_create_vport_t *vport_info)
{
vport_info->vport_type = VIRTCHNL2_VPORT_TYPE_DEFAULT;
if (id->txq_model == 1)
{
vport_info->txq_model = VIRTCHNL2_QUEUE_MODEL_SPLIT;
vport_info->num_tx_q = IDPF_DEFAULT_TXQ_NUM;
vport_info->num_tx_complq =
IDPF_DEFAULT_TXQ_NUM * IDPF_TX_COMPLQ_PER_GRP;
}
else
{
vport_info->txq_model = VIRTCHNL2_QUEUE_MODEL_SINGLE;
vport_info->num_tx_q = IDPF_DEFAULT_TXQ_NUM;
vport_info->num_tx_complq = 0;
}
if (id->rxq_model == 1)
{
vport_info->rxq_model = VIRTCHNL2_QUEUE_MODEL_SPLIT;
vport_info->num_rx_q = IDPF_DEFAULT_RXQ_NUM;
vport_info->num_rx_bufq = IDPF_DEFAULT_RXQ_NUM * IDPF_RX_BUFQ_PER_GRP;
}
else
{
vport_info->rxq_model = VIRTCHNL2_QUEUE_MODEL_SINGLE;
vport_info->num_rx_q = IDPF_DEFAULT_RXQ_NUM;
vport_info->num_rx_bufq = 0;
}
return;
}
clib_error_t *
idpf_vc_create_vport (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
virtchnl2_create_vport_t *vport_req_info)
{
virtchnl2_create_vport_t vport_msg = { 0 };
idpf_cmd_info_t args;
clib_error_t *error;
vport_msg.vport_type = vport_req_info->vport_type;
vport_msg.txq_model = vport_req_info->txq_model;
vport_msg.rxq_model = vport_req_info->rxq_model;
vport_msg.num_tx_q = vport_req_info->num_tx_q;
vport_msg.num_tx_complq = vport_req_info->num_tx_complq;
vport_msg.num_rx_q = vport_req_info->num_rx_q;
vport_msg.num_rx_bufq = vport_req_info->num_rx_bufq;
clib_memset (&args, 0, sizeof (args));
args.ops = VIRTCHNL2_OP_CREATE_VPORT;
args.in_args = (u8 *) &vport_msg;
args.in_args_size = sizeof (vport_msg);
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
return clib_error_return (
0, "Failed to execute command of VIRTCHNL2_OP_CREATE_VPORT");
clib_memcpy (vport->vport_info, args.out_buffer, IDPF_DFLT_MBX_BUF_SIZE);
return error;
}
clib_error_t *
idpf_vc_destroy_vport (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport)
{
virtchnl2_vport_t vc_vport;
idpf_cmd_info_t args;
clib_error_t *error = 0;
vc_vport.vport_id = vport->vport_id;
clib_memset (&args, 0, sizeof (args));
args.ops = VIRTCHNL2_OP_DESTROY_VPORT;
args.in_args = (u8 *) &vc_vport;
args.in_args_size = sizeof (vc_vport);
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
return clib_error_return (
0, "Failed to execute command of VIRTCHNL2_OP_DESTROY_VPORT");
return error;
}
clib_error_t *
idpf_init_vport (idpf_device_t *id, idpf_vport_t *vport)
{
virtchnl2_create_vport_t *vport_info = vport->vport_info;
int i, type;
vport->vport_id = vport_info->vport_id;
vport->txq_model = vport_info->txq_model;
vport->rxq_model = vport_info->rxq_model;
vport->num_tx_q = vport_info->num_tx_q;
vport->num_tx_complq = vport_info->num_tx_complq;
vport->num_rx_q = vport_info->num_rx_q;
vport->num_rx_bufq = vport_info->num_rx_bufq;
vport->max_mtu = vport_info->max_mtu;
clib_memcpy (vport->default_mac_addr, vport_info->default_mac_addr,
IDPF_ETH_ALEN);
for (i = 0; i < vport_info->chunks.num_chunks; i++)
{
type = vport_info->chunks.chunks[i].type;
switch (type)
{
case VIRTCHNL2_QUEUE_TYPE_TX:
vport->chunks_info.tx_start_qid =
vport_info->chunks.chunks[i].start_queue_id;
vport->chunks_info.tx_qtail_start =
vport_info->chunks.chunks[i].qtail_reg_start;
vport->chunks_info.tx_qtail_spacing =
vport_info->chunks.chunks[i].qtail_reg_spacing;
break;
case VIRTCHNL2_QUEUE_TYPE_RX:
vport->chunks_info.rx_start_qid =
vport_info->chunks.chunks[i].start_queue_id;
vport->chunks_info.rx_qtail_start =
vport_info->chunks.chunks[i].qtail_reg_start;
vport->chunks_info.rx_qtail_spacing =
vport_info->chunks.chunks[i].qtail_reg_spacing;
break;
case VIRTCHNL2_QUEUE_TYPE_TX_COMPLETION:
vport->chunks_info.tx_compl_start_qid =
vport_info->chunks.chunks[i].start_queue_id;
vport->chunks_info.tx_compl_qtail_start =
vport_info->chunks.chunks[i].qtail_reg_start;
vport->chunks_info.tx_compl_qtail_spacing =
vport_info->chunks.chunks[i].qtail_reg_spacing;
break;
case VIRTCHNL2_QUEUE_TYPE_RX_BUFFER:
vport->chunks_info.rx_buf_start_qid =
vport_info->chunks.chunks[i].start_queue_id;
vport->chunks_info.rx_buf_qtail_start =
vport_info->chunks.chunks[i].qtail_reg_start;
vport->chunks_info.rx_buf_qtail_spacing =
vport_info->chunks.chunks[i].qtail_reg_spacing;
break;
default:
return clib_error_return (0, "Unsupported queue type");
}
}
return 0;
}
clib_error_t *
idpf_ena_dis_vport (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport,
bool enable)
{
virtchnl2_vport_t vc_vport;
idpf_cmd_info_t args;
clib_error_t *error;
vc_vport.vport_id = vport->vport_id;
args.ops = enable ? VIRTCHNL2_OP_ENABLE_VPORT : VIRTCHNL2_OP_DISABLE_VPORT;
args.in_args = (u8 *) &vc_vport;
args.in_args_size = sizeof (vc_vport);
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
{
return clib_error_return (
0, "Failed to execute command of VIRTCHNL2_OP_%s_VPORT",
enable ? "ENABLE" : "DISABLE");
}
return error;
}
clib_error_t *
idpf_dealloc_vectors (vlib_main_t *vm, idpf_device_t *id, idpf_vport_t *vport)
{
virtchnl2_alloc_vectors_t *alloc_vec;
virtchnl2_vector_chunks_t *vcs;
idpf_cmd_info_t args;
clib_error_t *error;
int len;
alloc_vec = vport->recv_vectors;
vcs = &alloc_vec->vchunks;
len = sizeof (virtchnl2_vector_chunks_t) +
(vcs->num_vchunks - 1) * sizeof (virtchnl2_vector_chunk_t);
args.ops = VIRTCHNL2_OP_DEALLOC_VECTORS;
args.in_args = (u8 *) vcs;
args.in_args_size = len;
args.out_buffer = id->mbx_resp;
args.out_size = IDPF_DFLT_MBX_BUF_SIZE;
error = idpf_execute_vc_cmd (vm, id, &args);
if (error != 0)
return clib_error_return (
0, "Failed to execute command VIRTCHNL2_OP_DEALLOC_VECTORS");
return error;
}
clib_error_t *
idpf_dev_vport_init (vlib_main_t *vm, idpf_device_t *id,
idpf_vport_param_t *param)
{
idpf_vport_t *vport;
virtchnl2_create_vport_t vport_req_info = { 0 };
clib_error_t *error = 0;
vport = clib_mem_alloc (sizeof (idpf_vport_t));
clib_memset (vport, 0, sizeof (idpf_vport_t));
vport->vport_info = clib_mem_alloc (IDPF_DFLT_MBX_BUF_SIZE);
clib_memset (vport->vport_info, 0, IDPF_DFLT_MBX_BUF_SIZE);
id->vports[param->idx] = vport;
vport->id = id;
vport->idx = param->idx;
idpf_init_vport_req_info (id, &vport_req_info);
error = idpf_vc_create_vport (vm, id, vport, &vport_req_info);
if (error != 0)
{
idpf_log_err (id, "Failed to create vport.");
goto err_create_vport;
}
error = idpf_init_vport (id, vport);
if (error != 0)
{
idpf_log_err (id, "Failed to init vports.");
goto err_init_vport;
}
id->vports[param->idx] = vport;
clib_memcpy (id->hwaddr, vport->default_mac_addr, IDPF_ETH_ALEN);
return error;
err_init_vport:
id->vports[param->idx] = NULL; /* reset */
idpf_vc_destroy_vport (vm, id, vport);
err_create_vport:
clib_mem_free (vport->vport_info);
clib_mem_free (vport);
return error;
}
/* dev configure */
clib_error_t *
idpf_device_init (vlib_main_t *vm, idpf_main_t *im, idpf_device_t *id,
idpf_create_if_args_t *args)
{
idpf_vport_t *vport;
idpf_vport_param_t vport_param = { 0 };
virtchnl2_get_capabilities_t caps = { 0 };
clib_error_t *error;
u16 rxq_num, txq_num;
int i;
idpf_reset_pf (id);
error = idpf_check_pf_reset_done (vm, id);
if (error)
return error;
/*
* Init mailbox configuration
*/
if ((error = idpf_mbx_init (vm, id)))
return error;
/*
* Check API version
*/
error = idpf_op_version (vm, id);
if (error)
return error;
/*
* Get pkt type table
*/
error = idpf_get_pkt_type (vm, id);
if (error)
return error;
/* Get idpf capability */
error = idpf_op_get_caps (vm, id, &caps);
if (error)
return error;
rxq_num = args->rxq_num ? args->rxq_num : 1;
txq_num = args->txq_num ? args->txq_num : vlib_get_n_threads ();
/* Sync capabilities */
id->n_rx_queues = rxq_num;
id->n_tx_queues = txq_num;
id->csum_caps = caps.csum_caps;
id->seg_caps = caps.seg_caps;
id->hsplit_caps = caps.hsplit_caps;
id->rsc_caps = caps.rsc_caps;
id->rss_caps = caps.rss_caps;
id->other_caps = caps.other_caps;
id->max_rx_q = caps.max_rx_q;
id->max_tx_q = caps.max_tx_q;
id->max_rx_bufq = caps.max_rx_bufq;
id->max_tx_complq = caps.max_tx_complq;
id->max_sriov_vfs = caps.max_sriov_vfs;
id->max_vports = caps.max_vports;
id->default_num_vports = caps.default_num_vports;
id->vports = clib_mem_alloc (id->max_vports * sizeof (*id->vports));
id->max_rxq_per_msg =
(IDPF_DFLT_MBX_BUF_SIZE - sizeof (virtchnl2_config_rx_queues_t)) /
sizeof (virtchnl2_rxq_info_t);
id->max_txq_per_msg =
(IDPF_DFLT_MBX_BUF_SIZE - sizeof (virtchnl2_config_tx_queues_t)) /
sizeof (virtchnl2_txq_info_t);
id->cur_vport_idx = 0;
id->cur_vports = 0;
id->cur_vport_nb = 0;
if (!args->rxq_single)
id->rxq_model = 1;
if (!args->txq_single)
id->txq_model = 1;
/* Init and enable vports */
if (args->req_vport_nb == 1)
{
vport_param.id = id;
vport_param.idx = 0;
error = idpf_dev_vport_init (vm, id, &vport_param);
if (error)
return error;
vport = id->vports[vport_param.idx];
error = idpf_ena_dis_vport (vm, id, vport, true);
if (error)
return error;
id->cur_vports |= 1ULL << vport_param.idx;
id->cur_vport_nb++;
id->cur_vport_idx++;
error = idpf_queue_init (vm, id, vport, args);
if (error)
return error;
}
else
{
for (i = 0; i < args->req_vport_nb; i++)
{
vport_param.id = id;
vport_param.idx = i;
if ((error = idpf_dev_vport_init (vm, id, &vport_param)))
return error;
vport = id->vports[vport_param.idx];
error = idpf_ena_dis_vport (vm, id, vport, true);
if (error)
return error;
id->cur_vports |= 1ULL << vport_param.idx;
id->cur_vport_nb++;
id->cur_vport_idx++;
error = idpf_queue_init (vm, id, vport, args);
if (error)
return error;
}
}
id->flags |= IDPF_DEVICE_F_INITIALIZED;
return error;
}
static u32
idpf_flag_change (vnet_main_t *vnm, vnet_hw_interface_t *hw, u32 flags)
{
idpf_device_t *id = idpf_get_device (hw->dev_instance);
switch (flags)
{
case ETHERNET_INTERFACE_FLAG_DEFAULT_L3:
id->flags &= ~IDPF_DEVICE_F_PROMISC;
break;
case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
id->flags |= IDPF_DEVICE_F_PROMISC;
break;
default:
return ~0;
}
return 0;
}
void
idpf_delete_if (vlib_main_t *vm, idpf_device_t *id, int with_barrier)
{
vnet_main_t *vnm = vnet_get_main ();
idpf_main_t *im = &idpf_main;
idpf_vport_t *vport;
int i;
u32 dev_instance;
id->flags &= ~IDPF_DEVICE_F_ADMIN_UP;
if (id->hw_if_index)
{
if (with_barrier)
vlib_worker_thread_barrier_sync (vm);
vnet_hw_interface_set_flags (vnm, id->hw_if_index, 0);
ethernet_delete_interface (vnm, id->hw_if_index);
if (with_barrier)
vlib_worker_thread_barrier_release (vm);
}
for (i = 0; i < id->cur_vport_nb; i++)
{
vport = id->vports[i];
if (vport->recv_vectors != NULL)
idpf_dealloc_vectors (vm, id, vport);
}
vlib_pci_device_close (vm, id->pci_dev_handle);
vlib_physmem_free (vm, id->asq);
vlib_physmem_free (vm, id->arq);
for (i = 0; i < id->cur_vport_nb; i++)
{
vport = id->vports[i];
vec_foreach_index (i, vport->rxqs)
{
idpf_rxq_t *rxq = vec_elt_at_index (vport->rxqs, i);
vlib_physmem_free (vm, (void *) rxq->descs);
if (rxq->n_enqueued)
vlib_buffer_free_from_ring (vm, rxq->bufs, rxq->next, rxq->size,
rxq->n_enqueued);
vec_free (rxq->bufs);
}
vec_free (vport->rxqs);
vec_foreach_index (i, vport->txqs)
{
idpf_txq_t *txq = vec_elt_at_index (vport->txqs, i);
vlib_physmem_free (vm, (void *) txq->descs);
if (txq->n_enqueued)
{
u16 first = (txq->next - txq->n_enqueued) & (txq->size - 1);
vlib_buffer_free_from_ring (vm, txq->bufs, first, txq->size,
txq->n_enqueued);
}
vec_free (txq->ph_bufs);
vec_free (txq->bufs);
clib_ring_free (txq->rs_slots);
vec_free (txq->tmp_bufs);
vec_free (txq->tmp_descs);
clib_spinlock_free (&txq->lock);
}
vec_free (vport->txqs);
}
vec_free (id->name);
clib_error_free (id->error);
dev_instance = id->dev_instance;
clib_mem_free (id->mbx_resp);
clib_memset (id, 0, sizeof (*id));
pool_put_index (im->devices, dev_instance);
clib_mem_free (id);
}
static u8
idpf_validate_queue_size (idpf_create_if_args_t *args)
{
clib_error_t *error = 0;
args->rxq_size = (args->rxq_size == 0) ? IDPF_RXQ_SZ : args->rxq_size;
args->txq_size = (args->txq_size == 0) ? IDPF_TXQ_SZ : args->txq_size;
if ((args->rxq_size > IDPF_QUEUE_SZ_MAX) ||
(args->txq_size > IDPF_QUEUE_SZ_MAX))
{
args->rv = VNET_API_ERROR_INVALID_VALUE;
args->error = clib_error_return (
error, "queue size must not be greater than %u", IDPF_QUEUE_SZ_MAX);
return 1;
}
if ((args->rxq_size < IDPF_QUEUE_SZ_MIN) ||
(args->txq_size < IDPF_QUEUE_SZ_MIN))
{
args->rv = VNET_API_ERROR_INVALID_VALUE;
args->error = clib_error_return (
error, "queue size must not be smaller than %u", IDPF_QUEUE_SZ_MIN);
return 1;
}
if ((args->rxq_size & (args->rxq_size - 1)) ||
(args->txq_size & (args->txq_size - 1)))
{
args->rv = VNET_API_ERROR_INVALID_VALUE;
args->error =
clib_error_return (error, "queue size must be a power of two");
return 1;
}
return 0;
}
void
idpf_process_one_device (vlib_main_t *vm, idpf_device_t *id, int is_irq)
{
/* placeholder */
return;
}
static uword
idpf_process (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
{
idpf_main_t *im = &idpf_main;
uword *event_data = 0, event_type;
int enabled = 0, irq;
f64 last_run_duration = 0;
f64 last_periodic_time = 0;
idpf_device_t **dev_pointers = 0;
u32 i;
while (1)
{
if (enabled)
vlib_process_wait_for_event_or_clock (vm, 5.0 - last_run_duration);
else
vlib_process_wait_for_event (vm);
event_type = vlib_process_get_events (vm, &event_data);
irq = 0;
switch (event_type)
{
case ~0:
last_periodic_time = vlib_time_now (vm);
break;
case IDPF_PROCESS_EVENT_START:
enabled = 1;
break;
case IDPF_PROCESS_EVENT_DELETE_IF:
for (int i = 0; i < vec_len (event_data); i++)
{
idpf_device_t *id = idpf_get_device (event_data[i]);
idpf_delete_if (vm, id, /* with_barrier */ 1);
}
if (pool_elts (im->devices) < 1)
enabled = 0;
break;
case IDPF_PROCESS_EVENT_AQ_INT:
irq = 1;
break;
default:
ASSERT (0);
}
vec_reset_length (event_data);
if (enabled == 0)
continue;
/* create local list of device pointers as device pool may grow
* during suspend */
vec_reset_length (dev_pointers);
pool_foreach_index (i, im->devices)
{
vec_add1 (dev_pointers, idpf_get_device (i));
}
vec_foreach_index (i, dev_pointers)
{
idpf_process_one_device (vm, dev_pointers[i], irq);
};
last_run_duration = vlib_time_now (vm) - last_periodic_time;
}
return 0;
}
VLIB_REGISTER_NODE (idpf_process_node) = {
.function = idpf_process,
.type = VLIB_NODE_TYPE_PROCESS,
.name = "idpf-process",
};
void
idpf_create_if (vlib_main_t *vm, idpf_create_if_args_t *args)
{
vnet_main_t *vnm = vnet_get_main ();
vnet_eth_interface_registration_t eir = {};
idpf_main_t *im = &idpf_main;
idpf_device_t *id, **idp;
vlib_pci_dev_handle_t h;
clib_error_t *error = 0;
int i, j, v;
/* check input args */
if (idpf_validate_queue_size (args) != 0)
return;
pool_foreach (idp, im->devices)
{
if ((*idp)->pci_addr.as_u32 == args->addr.as_u32)
{
args->rv = VNET_API_ERROR_ADDRESS_IN_USE;
args->error =
clib_error_return (error, "%U: %s", format_vlib_pci_addr,
&args->addr, "pci address in use");
return;
}
}
pool_get (im->devices, idp);
idp[0] = id =
clib_mem_alloc_aligned (sizeof (idpf_device_t), CLIB_CACHE_LINE_BYTES);
clib_memset (id, 0, sizeof (idpf_device_t));
id->mbx_resp = clib_mem_alloc (IDPF_DFLT_MBX_BUF_SIZE);
id->dev_instance = idp - im->devices;
id->per_interface_next_index = ~0;
id->name = vec_dup (args->name);
if ((error =
vlib_pci_device_open (vm, &args->addr, idpf_pci_device_ids, &h)))
{
pool_put (im->devices, idp);
clib_mem_free (id);
args->rv = VNET_API_ERROR_INVALID_INTERFACE;
args->error = clib_error_return (error, "pci-addr %U",
format_vlib_pci_addr, &args->addr);
return;
}
id->pci_dev_handle = h;
id->pci_addr = args->addr;
id->numa_node = vlib_pci_get_numa_node (vm, h);
vlib_pci_set_private_data (vm, h, id->dev_instance);
if ((error = vlib_pci_bus_master_enable (vm, h)))
goto error;
if ((error = vlib_pci_map_region (vm, h, 0, &id->bar0)))
goto error;
if (vlib_pci_supports_virtual_addr_dma (vm, h))
id->flags |= IDPF_DEVICE_F_VA_DMA;
if ((error = idpf_device_init (vm, im, id, args)))
goto error;
/* create interface */
eir.dev_class_index = idpf_device_class.index;
eir.dev_instance = id->dev_instance;
eir.address = id->hwaddr;
eir.cb.flag_change = idpf_flag_change;
id->hw_if_index = vnet_eth_register_interface (vnm, &eir);
ethernet_set_flags (vnm, id->hw_if_index,
ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
vnet_sw_interface_t *sw = vnet_get_hw_sw_interface (vnm, id->hw_if_index);
args->sw_if_index = id->sw_if_index = sw->sw_if_index;
vnet_hw_if_set_caps (vnm, id->hw_if_index,
VNET_HW_IF_CAP_INT_MODE | VNET_HW_IF_CAP_MAC_FILTER |
VNET_HW_IF_CAP_TX_CKSUM | VNET_HW_IF_CAP_TCP_GSO);
for (v = 0; v < id->cur_vport_nb; v++)
{
for (j = 0; j < id->n_rx_queues; j++)
{
u32 qi;
i = v * id->n_rx_queues + j;
qi = vnet_hw_if_register_rx_queue (vnm, id->hw_if_index, i,
VNET_HW_IF_RXQ_THREAD_ANY);
id->vports[v]->rxqs[j].queue_index = qi;
}
for (j = 0; j < id->n_tx_queues; j++)
{
u32 qi;
i = v * id->n_tx_queues + j;
qi = vnet_hw_if_register_tx_queue (vnm, id->hw_if_index, i);
id->vports[v]->txqs[j].queue_index = qi;
}
}
for (v = 0; v < id->cur_vport_nb; v++)
for (i = 0; i < vlib_get_n_threads (); i++)
{
u32 qi = id->vports[v]->txqs[i % id->n_tx_queues].queue_index;
vnet_hw_if_tx_queue_assign_thread (vnm, qi, i);
}
vnet_hw_if_update_runtime_data (vnm, id->hw_if_index);
if (pool_elts (im->devices) == 1)
vlib_process_signal_event (vm, idpf_process_node.index,
IDPF_PROCESS_EVENT_START, 0);
return;
error:
idpf_delete_if (vm, id, /* with_barrier */ 0);
args->rv = VNET_API_ERROR_INVALID_INTERFACE;
args->error = clib_error_return (error, "pci-addr %U", format_vlib_pci_addr,
&args->addr);
idpf_log_err (id, "error: %U", format_clib_error, args->error);
}
void *
idpf_alloc_dma_mem (vlib_main_t *vm, idpf_device_t *id, idpf_dma_mem_t *mem,
u64 size)
{
void *mz = NULL;
vlib_pci_dev_handle_t h = id->pci_dev_handle;
if (!mem)
return NULL;
/* Fixme */
mz = vlib_physmem_alloc_aligned_on_numa (vm, size, CLIB_CACHE_LINE_BYTES,
id->numa_node);
if (!mz)
return NULL;
if (vlib_pci_map_dma (vm, h, mz))
return NULL;
mem->size = size;
if (id->flags & IDPF_DEVICE_F_VA_DMA)
{
mem->va = mz;
clib_memset (mem->va, 0, size);
}
else
{
mem->va = NULL;
}
mem->pa = idpf_dma_addr (vm, id, mz);
return mem->va;
}
void
idpf_free_dma_mem (idpf_device_t *id, idpf_dma_mem_t *mem)
{
mem->size = 0;
mem->va = NULL;
mem->pa = 0;
clib_mem_free (mem);
}
static clib_error_t *
idpf_interface_admin_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)
{
vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
idpf_device_t *id = idpf_get_device (hi->dev_instance);
uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
if (id->flags & IDPF_DEVICE_F_ERROR)
return clib_error_return (0, "device is in error state");
if (is_up)
{
vnet_hw_interface_set_flags (vnm, id->hw_if_index,
VNET_HW_INTERFACE_FLAG_LINK_UP);
id->flags |= IDPF_DEVICE_F_ADMIN_UP;
}
else
{
vnet_hw_interface_set_flags (vnm, id->hw_if_index, 0);
id->flags &= ~IDPF_DEVICE_F_ADMIN_UP;
}
return 0;
}
VNET_DEVICE_CLASS (idpf_device_class, ) = {
.name = "Infrastructure Data Path Function (IDPF) interface",
.format_device_name = format_idpf_device_name,
.admin_up_down_function = idpf_interface_admin_up_down,
};
clib_error_t *
idpf_init (vlib_main_t *vm)
{
idpf_main_t *im = &idpf_main;
vlib_thread_main_t *tm = vlib_get_thread_main ();
vec_validate_aligned (im->per_thread_data, tm->n_vlib_mains - 1,
CLIB_CACHE_LINE_BYTES);
return 0;
}
VLIB_INIT_FUNCTION (idpf_init) = {
.runs_after = VLIB_INITS ("pci_bus_init"),
};
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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