{
vmxnet3_main_t *vmxm = &vmxnet3_main;
vmxnet3_device_t *vd = pool_elt_at_index (vmxm->devices, instance);
- vmxnet3_queues *q = &vd->dma->queues;
+ vmxnet3_tx_queue *tx = VMXNET3_TX_START (vd);
+ vmxnet3_rx_queue *rx = VMXNET3_RX_START (vd);
+ u16 qid;
/*
* Set the "last_cleared_stats" to the current stats, so that
*/
vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
- clib_memcpy (&vd->tx_stats, &q->tx.stats, sizeof (vd->tx_stats));
- clib_memcpy (&vd->rx_stats, &q->rx.stats, sizeof (vd->rx_stats));
+ vec_foreach_index (qid, vd->txqs)
+ {
+ vmxnet3_tx_stats *txs = vec_elt_at_index (vd->tx_stats, qid);
+ clib_memcpy (txs, &tx->stats, sizeof (*txs));
+ tx++;
+ }
+ vec_foreach_index (qid, vd->rxqs)
+ {
+ vmxnet3_rx_stats *rxs = vec_elt_at_index (vd->rx_stats, qid);
+ clib_memcpy (rxs, &rx->stats, sizeof (*rxs));
+ rx++;
+ }
}
static char *vmxnet3_tx_func_error_strings[] = {
vmxnet3_provision_driver_shared (vlib_main_t * vm, vmxnet3_device_t * vd)
{
vmxnet3_shared *shared;
- vmxnet3_queues *q;
u64 shared_dma;
- u16 qid = 0, rid;
- vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
- vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, qid);
+ u16 qid, rid;
+ vmxnet3_tx_queue *tx = VMXNET3_TX_START (vd);
+ vmxnet3_rx_queue *rx = VMXNET3_RX_START (vd);
- vd->dma = vlib_physmem_alloc_aligned_on_numa (vm, sizeof (*vd->dma), 512,
- vd->numa_node);
- if (vd->dma == 0)
+ vd->driver_shared =
+ vlib_physmem_alloc_aligned_on_numa (vm, sizeof (*vd->driver_shared), 512,
+ vd->numa_node);
+ if (vd->driver_shared == 0)
return vlib_physmem_last_error (vm);
- clib_memset (vd->dma, 0, sizeof (*vd->dma));
+ clib_memset (vd->driver_shared, 0, sizeof (*vd->driver_shared));
- q = &vd->dma->queues;
- q->tx.cfg.desc_address = vmxnet3_dma_addr (vm, vd, txq->tx_desc);
- q->tx.cfg.comp_address = vmxnet3_dma_addr (vm, vd, txq->tx_comp);
- q->tx.cfg.num_desc = txq->size;
- q->tx.cfg.num_comp = txq->size;
- for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
- {
- q->rx.cfg.desc_address[rid] = vmxnet3_dma_addr (vm, vd,
+ vec_foreach_index (qid, vd->txqs)
+ {
+ vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, qid);
+
+ tx->cfg.desc_address = vmxnet3_dma_addr (vm, vd, txq->tx_desc);
+ tx->cfg.comp_address = vmxnet3_dma_addr (vm, vd, txq->tx_comp);
+ tx->cfg.num_desc = txq->size;
+ tx->cfg.num_comp = txq->size;
+ tx++;
+ }
+
+ vec_foreach_index (qid, vd->rxqs)
+ {
+ vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
+
+ for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
+ {
+ rx->cfg.desc_address[rid] = vmxnet3_dma_addr (vm, vd,
rxq->rx_desc[rid]);
- q->rx.cfg.num_desc[rid] = rxq->size;
- }
- q->rx.cfg.comp_address = vmxnet3_dma_addr (vm, vd, rxq->rx_comp);
- q->rx.cfg.num_comp = rxq->size;
+ rx->cfg.num_desc[rid] = rxq->size;
+ }
+ rx->cfg.comp_address = vmxnet3_dma_addr (vm, vd, rxq->rx_comp);
+ rx->cfg.num_comp = rxq->size;
+ rx->cfg.intr_index = qid;
+ rx++;
+ }
- shared = &vd->dma->shared;
+ shared = vd->driver_shared;
shared->magic = VMXNET3_SHARED_MAGIC;
shared->misc.version = VMXNET3_VERSION_MAGIC;
if (sizeof (void *) == 4)
shared->misc.guest_info = VMXNET3_GOS_BITS_64;
shared->misc.guest_info |= VMXNET3_GOS_TYPE_LINUX;
shared->misc.version_support = VMXNET3_VERSION_SELECT;
+ shared->misc.upt_features = VMXNET3_F_RXCSUM;
+ if (vd->lro_enable)
+ shared->misc.upt_features |= VMXNET3_F_LRO;
+ if (vd->num_rx_queues > 1)
+ {
+ shared->misc.upt_features |= VMXNET3_F_RSS;
+ shared->rss.version = 1;
+ shared->rss.address = vmxnet3_dma_addr (vm, vd, vd->rss);
+ shared->rss.length = sizeof (*vd->rss);
+ }
+ shared->misc.max_num_rx_sg = 0;
shared->misc.upt_version_support = VMXNET3_UPT_VERSION_SELECT;
- shared->misc.queue_desc_address = vmxnet3_dma_addr (vm, vd, q);
- shared->misc.queue_desc_len = sizeof (*q);
+ shared->misc.queue_desc_address = vmxnet3_dma_addr (vm, vd, vd->queues);
+ shared->misc.queue_desc_len = sizeof (*tx) * vd->num_tx_queues +
+ sizeof (*rx) * vd->num_rx_queues;
shared->misc.mtu = VMXNET3_MTU;
shared->misc.num_tx_queues = vd->num_tx_queues;
shared->misc.num_rx_queues = vd->num_rx_queues;
shared->interrupt.num_intrs = vd->num_intrs;
- shared->interrupt.event_intr_index = 1;
+ shared->interrupt.event_intr_index = vd->num_rx_queues;
shared->interrupt.control = VMXNET3_IC_DISABLE_ALL;
shared->rx_filter.mode = VMXNET3_RXMODE_UCAST | VMXNET3_RXMODE_BCAST |
VMXNET3_RXMODE_ALL_MULTI | VMXNET3_RXMODE_PROMISC;
vmxnet3_enable_interrupt (vmxnet3_device_t * vd)
{
int i;
- vmxnet3_shared *shared = &vd->dma->shared;
+ vmxnet3_shared *shared = vd->driver_shared;
shared->interrupt.control &= ~VMXNET3_IC_DISABLE_ALL;
for (i = 0; i < vd->num_intrs; i++)
vmxnet3_disable_interrupt (vmxnet3_device_t * vd)
{
int i;
- vmxnet3_shared *shared = &vd->dma->shared;
+ vmxnet3_shared *shared = vd->driver_shared;
shared->interrupt.control |= VMXNET3_IC_DISABLE_ALL;
for (i = 0; i < vd->num_intrs; i++)
vmxnet3_rxq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
{
vmxnet3_rxq_t *rxq;
+ vmxnet3_rx_stats *rxs;
u16 rid;
+ vec_validate (vd->rx_stats, qid);
+ rxs = vec_elt_at_index (vd->rx_stats, qid);
+ clib_memset (rxs, 0, sizeof (*rxs));
+
vec_validate_aligned (vd->rxqs, qid, CLIB_CACHE_LINE_BYTES);
rxq = vec_elt_at_index (vd->rxqs, qid);
clib_memset (rxq, 0, sizeof (*rxq));
vmxnet3_txq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
{
vmxnet3_txq_t *txq;
+ vmxnet3_tx_stats *txs;
+ u32 size;
if (qid >= vd->num_tx_queues)
{
return 0;
}
+ vec_validate (vd->tx_stats, qid);
+ txs = vec_elt_at_index (vd->tx_stats, qid);
+ clib_memset (txs, 0, sizeof (*txs));
+
vec_validate_aligned (vd->txqs, qid, CLIB_CACHE_LINE_BYTES);
txq = vec_elt_at_index (vd->txqs, qid);
clib_memset (txq, 0, sizeof (*txq));
txq->size = qsz;
+ txq->reg_txprod = qid * 8 + VMXNET3_REG_TXPROD;
+
+ size = qsz * sizeof (*txq->tx_desc);
txq->tx_desc =
- vlib_physmem_alloc_aligned_on_numa (vm, qsz * sizeof (*txq->tx_desc), 512,
- vd->numa_node);
+ vlib_physmem_alloc_aligned_on_numa (vm, size, 512, vd->numa_node);
if (txq->tx_desc == 0)
return vlib_physmem_last_error (vm);
- memset (txq->tx_desc, 0, qsz * sizeof (*txq->tx_desc));
+ memset (txq->tx_desc, 0, size);
+
+ size = qsz * sizeof (*txq->tx_comp);
txq->tx_comp =
- vlib_physmem_alloc_aligned_on_numa (vm, qsz * sizeof (*txq->tx_comp), 512,
- vd->numa_node);
+ vlib_physmem_alloc_aligned_on_numa (vm, size, 512, vd->numa_node);
if (txq->tx_comp == 0)
return vlib_physmem_last_error (vm);
- clib_memset (txq->tx_comp, 0, qsz * sizeof (*txq->tx_comp));
+ clib_memset (txq->tx_comp, 0, size);
vec_validate_aligned (txq->tx_ring.bufs, txq->size, CLIB_CACHE_LINE_BYTES);
txq->tx_ring.gen = VMXNET3_TXF_GEN;
txq->tx_comp_ring.gen = VMXNET3_TXCF_GEN;
return 0;
}
+static const u8 vmxnet3_rss_key[VMXNET3_RSS_MAX_KEY_SZ] = {
+ 0x3b, 0x56, 0xd1, 0x56, 0x13, 0x4a, 0xe7, 0xac,
+ 0xe8, 0x79, 0x09, 0x75, 0xe8, 0x65, 0x79, 0x28,
+ 0x35, 0x12, 0xb9, 0x56, 0x7c, 0x76, 0x4b, 0x70,
+ 0xd8, 0x56, 0xa3, 0x18, 0x9b, 0x0a, 0xee, 0xf3,
+ 0x96, 0xa6, 0x9f, 0x8f, 0x9e, 0x8c, 0x90, 0xc9,
+};
+
+static clib_error_t *
+vmxnet3_rss_init (vlib_main_t * vm, vmxnet3_device_t * vd)
+{
+ vmxnet3_rss_shared *rss;
+ size_t size = sizeof (*rss);
+ u8 i;
+
+ vd->rss = vlib_physmem_alloc_aligned_on_numa (vm, size, 512, vd->numa_node);
+ if (vd->rss == 0)
+ return vlib_physmem_last_error (vm);
+
+ clib_memset (vd->rss, 0, size);
+ rss = vd->rss;
+ rss->hash_type =
+ VMXNET3_RSS_HASH_TYPE_IPV4 | VMXNET3_RSS_HASH_TYPE_TCP_IPV4 |
+ VMXNET3_RSS_HASH_TYPE_IPV6 | VMXNET3_RSS_HASH_TYPE_TCP_IPV6;
+ rss->hash_func = VMXNET3_RSS_HASH_FUNC_TOEPLITZ;
+ rss->hash_key_sz = VMXNET3_RSS_MAX_KEY_SZ;
+ rss->ind_table_sz = VMXNET3_RSS_MAX_IND_TABLE_SZ;
+ clib_memcpy (rss->hash_key, vmxnet3_rss_key, VMXNET3_RSS_MAX_KEY_SZ);
+ for (i = 0; i < rss->ind_table_sz; i++)
+ rss->ind_table[i] = i % vd->num_rx_queues;
+
+ return 0;
+}
+
static clib_error_t *
vmxnet3_device_init (vlib_main_t * vm, vmxnet3_device_t * vd,
vmxnet3_create_if_args_t * args)
{
+ vnet_main_t *vnm = vnet_get_main ();
+ vmxnet3_main_t *vmxm = &vmxnet3_main;
clib_error_t *error = 0;
- u32 ret, i;
+ u32 ret, i, size;
vlib_thread_main_t *tm = vlib_get_thread_main ();
- vd->num_tx_queues = 1;
- vd->num_rx_queues = 1;
- vd->num_intrs = 2;
-
/* Quiesce the device */
vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_QUIESCE_DEV);
ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_CMD);
return error;
}
+ /* LRO is only supported for version >= 3 */
+ if ((vmxm->lro_configured) && (vd->version >= 3))
+ {
+ vd->lro_enable = 1;
+ vnm->interface_main.gso_interface_count++;
+ }
+
vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_GET_LINK);
ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_CMD);
if (ret & 1)
vd->link_speed = ret >> 16;
}
else
- {
- vd->flags &= ~VMXNET3_DEVICE_F_LINK_UP;
- }
+ vd->flags &= ~VMXNET3_DEVICE_F_LINK_UP;
/* Get the mac address */
ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_MACL);
ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_MACH);
clib_memcpy (vd->mac_addr + 4, &ret, 2);
- error = vmxnet3_rxq_init (vm, vd, 0, args->rxq_size);
- if (error)
- return error;
+ size = sizeof (vmxnet3_rx_queue) * vd->num_rx_queues +
+ sizeof (vmxnet3_tx_queue) * vd->num_tx_queues;
+
+ vd->queues =
+ vlib_physmem_alloc_aligned_on_numa (vm, size, 512, vd->numa_node);
+ if (vd->queues == 0)
+ return vlib_physmem_last_error (vm);
+
+ clib_memset (vd->queues, 0, size);
+
+ if (vd->num_rx_queues > 1)
+ {
+ error = vmxnet3_rss_init (vm, vd);
+ if (error)
+ return error;
+ }
+
+ for (i = 0; i < vd->num_rx_queues; i++)
+ {
+ error = vmxnet3_rxq_init (vm, vd, i, args->rxq_size);
+ if (error)
+ return error;
+ }
for (i = 0; i < tm->n_vlib_mains; i++)
{
return error;
}
- /* Disable interrupts */
- vmxnet3_disable_interrupt (vd);
-
- vec_foreach_index (i, vd->rxqs)
- {
- vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, i);
-
- vmxnet3_rxq_refill_ring0 (vm, vd, rxq);
- vmxnet3_rxq_refill_ring1 (vm, vd, rxq);
- }
- vd->flags |= VMXNET3_DEVICE_F_INITIALIZED;
-
- vmxnet3_enable_interrupt (vd);
-
return error;
}
static void
-vmxnet3_irq_0_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
+vmxnet3_rxq_irq_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
{
vnet_main_t *vnm = vnet_get_main ();
vmxnet3_main_t *vmxm = &vmxnet3_main;
}
static void
-vmxnet3_irq_1_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
+vmxnet3_event_irq_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h,
+ u16 line)
{
vnet_main_t *vnm = vnet_get_main ();
vmxnet3_main_t *vmxm = &vmxnet3_main;
return 1;
}
+static u8
+vmxnet3_tx_queue_num_valid (u16 num)
+{
+ vlib_thread_main_t *tm = vlib_get_thread_main ();
+
+ if ((num > VMXNET3_TXQ_MAX) || (num > tm->n_vlib_mains))
+ return 0;
+ return 1;
+}
+
+static u8
+vmxnet3_rx_queue_num_valid (u16 num)
+{
+ if (num > VMXNET3_RXQ_MAX)
+ return 0;
+ return 1;
+}
+
void
vmxnet3_create_if (vlib_main_t * vm, vmxnet3_create_if_args_t * args)
{
vmxnet3_device_t *vd;
vlib_pci_dev_handle_t h;
clib_error_t *error = 0;
+ u16 qid;
+ u32 num_intr;
+
+ if (args->txq_num == 0)
+ args->txq_num = 1;
+ if (args->rxq_num == 0)
+ args->rxq_num = 1;
+ if (!vmxnet3_rx_queue_num_valid (args->rxq_num))
+ {
+ args->rv = VNET_API_ERROR_INVALID_VALUE;
+ args->error =
+ clib_error_return (error, "number of rx queues must be <= %u",
+ VMXNET3_RXQ_MAX);
+ vlib_log (VLIB_LOG_LEVEL_ERR, vmxm->log_default, "%U: %s",
+ format_vlib_pci_addr, &args->addr,
+ "number of rx queues must be <= %u", VMXNET3_RXQ_MAX);
+ return;
+ }
+ if (!vmxnet3_tx_queue_num_valid (args->txq_num))
+ {
+ args->rv = VNET_API_ERROR_INVALID_VALUE;
+ args->error =
+ clib_error_return (error,
+ "number of tx queues must be <= %u and <= number of "
+ "CPU's assigned to VPP", VMXNET3_TXQ_MAX);
+ vlib_log (VLIB_LOG_LEVEL_ERR, vmxm->log_default, "%U: %s",
+ format_vlib_pci_addr, &args->addr,
+ "number of tx queues must be <= %u and <= number of "
+ "CPU's assigned to VPP", VMXNET3_TXQ_MAX);
+ return;
+ }
if (args->rxq_size == 0)
args->rxq_size = VMXNET3_NUM_RX_DESC;
if (args->txq_size == 0)
/* *INDENT-ON* */
pool_get (vmxm->devices, vd);
+ vd->num_tx_queues = args->txq_num;
+ vd->num_rx_queues = args->rxq_num;
vd->dev_instance = vd - vmxm->devices;
vd->per_interface_next_index = ~0;
vd->pci_addr = args->addr;
*/
vd->pci_dev_handle = h;
vd->numa_node = vlib_pci_get_numa_node (vm, h);
+ vd->num_intrs = vd->num_rx_queues + 1; // +1 for the event interrupt
+
vlib_pci_set_private_data (vm, h, vd->dev_instance);
if ((error = vlib_pci_bus_master_enable (vm, h)))
goto error;
}
- if ((error = vlib_pci_register_msix_handler (vm, h, 0, 1,
- &vmxnet3_irq_0_handler)))
+ num_intr = vlib_pci_get_num_msix_interrupts (vm, h);
+ if (num_intr < vd->num_rx_queues + 1)
+ {
+ vmxnet3_log_error (vd,
+ "No sufficient interrupt lines (%u) for rx queues",
+ num_intr);
+ goto error;
+ }
+ if ((error = vlib_pci_register_msix_handler (vm, h, 0, vd->num_rx_queues,
+ &vmxnet3_rxq_irq_handler)))
{
vmxnet3_log_error (vd,
"error encountered on pci register msix handler 0");
goto error;
}
- if ((error = vlib_pci_register_msix_handler (vm, h, 1, 1,
- &vmxnet3_irq_1_handler)))
+ if ((error = vlib_pci_register_msix_handler (vm, h, vd->num_rx_queues, 1,
+ &vmxnet3_event_irq_handler)))
{
vmxnet3_log_error (vd,
"error encountered on pci register msix handler 1");
goto error;
}
- if ((error = vlib_pci_enable_msix_irq (vm, h, 0, 2)))
+ if ((error = vlib_pci_enable_msix_irq (vm, h, 0, vd->num_rx_queues + 1)))
{
vmxnet3_log_error (vd, "error encountered on pci enable msix irq");
goto error;
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, vd->hw_if_index);
hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE;
+ if (vd->lro_enable)
+ hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO;
+
vnet_hw_interface_set_input_node (vnm, vd->hw_if_index,
vmxnet3_input_node.index);
- vnet_hw_interface_assign_rx_thread (vnm, vd->hw_if_index, 0, ~0);
+ /* Disable interrupts */
+ vmxnet3_disable_interrupt (vd);
+ vec_foreach_index (qid, vd->rxqs)
+ {
+ vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
+ u32 thread_index;
+ u32 numa_node;
+
+ vnet_hw_interface_assign_rx_thread (vnm, vd->hw_if_index, qid, ~0);
+ thread_index = vnet_get_device_input_thread_index (vnm, vd->hw_if_index,
+ qid);
+ numa_node = vlib_mains[thread_index]->numa_node;
+ rxq->buffer_pool_index =
+ vlib_buffer_pool_get_default_for_numa (vm, numa_node);
+ vmxnet3_rxq_refill_ring0 (vm, vd, rxq);
+ vmxnet3_rxq_refill_ring1 (vm, vd, rxq);
+ }
+ vd->flags |= VMXNET3_DEVICE_F_INITIALIZED;
+ vmxnet3_enable_interrupt (vd);
+
vnet_hw_interface_set_link_speed (vnm, vd->hw_if_index,
vd->link_speed * 1000);
if (vd->flags & VMXNET3_DEVICE_F_LINK_UP)
vnet_main_t *vnm = vnet_get_main ();
vmxnet3_main_t *vmxm = &vmxnet3_main;
u32 i, bi;
- u16 desc_idx;
+ u16 desc_idx, qid;
/* Quiesce the device */
vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_QUIESCE_DEV);
if (vd->hw_if_index)
{
vnet_hw_interface_set_flags (vnm, vd->hw_if_index, 0);
- vnet_hw_interface_unassign_rx_thread (vnm, vd->hw_if_index, 0);
+ vec_foreach_index (qid, vd->rxqs)
+ vnet_hw_interface_unassign_rx_thread (vnm, vd->hw_if_index, qid);
ethernet_delete_interface (vnm, vd->hw_if_index);
}
}
/* *INDENT-ON* */
vec_free (vd->rxqs);
+ vec_free (vd->rx_stats);
/* *INDENT-OFF* */
vec_foreach_index (i, vd->txqs)
}
/* *INDENT-ON* */
vec_free (vd->txqs);
+ vec_free (vd->tx_stats);
- vlib_physmem_free (vm, vd->dma);
+ vlib_physmem_free (vm, vd->driver_shared);
+ vlib_physmem_free (vm, vd->queues);
+ vlib_physmem_free (vm, vd->rss);
clib_error_free (vd->error);
clib_memset (vd, 0, sizeof (*vd));
pool_put (vmxm->devices, vd);
+
+ if (vd->lro_enable)
+ vnm->interface_main.gso_interface_count--;
}
/*
Code Review / vpp.git / blobdiff