2 * Copyright (c) 2018 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vppinfra/types.h>
17 #include <vlib/vlib.h>
18 #include <vlib/pci/pci.h>
19 #include <vnet/ethernet/ethernet.h>
20 #include <vnet/plugin/plugin.h>
21 #include <vpp/app/version.h>
23 #include <vmxnet3/vmxnet3.h>
25 #define PCI_VENDOR_ID_VMWARE 0x15ad
26 #define PCI_DEVICE_ID_VMWARE_VMXNET3 0x07b0
28 vmxnet3_main_t vmxnet3_main;
30 static pci_device_id_t vmxnet3_pci_device_ids[] = {
32 .vendor_id = PCI_VENDOR_ID_VMWARE,
33 .device_id = PCI_DEVICE_ID_VMWARE_VMXNET3},
38 vmxnet3_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index,
41 vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
42 vmxnet3_main_t *vmxm = &vmxnet3_main;
43 vmxnet3_device_t *vd = vec_elt_at_index (vmxm->devices, hi->dev_instance);
44 uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
46 if (vd->flags & VMXNET3_DEVICE_F_ERROR)
47 return clib_error_return (0, "device is in error state");
51 vnet_hw_interface_set_flags (vnm, vd->hw_if_index,
52 VNET_HW_INTERFACE_FLAG_LINK_UP);
53 vd->flags |= VMXNET3_DEVICE_F_ADMIN_UP;
57 vnet_hw_interface_set_flags (vnm, vd->hw_if_index, 0);
58 vd->flags &= ~VMXNET3_DEVICE_F_ADMIN_UP;
64 vmxnet3_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid,
65 vnet_hw_interface_rx_mode mode)
67 vmxnet3_main_t *vmxm = &vmxnet3_main;
68 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
69 vmxnet3_device_t *vd = pool_elt_at_index (vmxm->devices, hw->dev_instance);
70 vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
72 if (mode == VNET_HW_INTERFACE_RX_MODE_POLLING)
81 vmxnet3_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index,
84 vmxnet3_main_t *vmxm = &vmxnet3_main;
85 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
86 vmxnet3_device_t *vd = pool_elt_at_index (vmxm->devices, hw->dev_instance);
88 /* Shut off redirection */
91 vd->per_interface_next_index = node_index;
95 vd->per_interface_next_index =
96 vlib_node_add_next (vlib_get_main (), vmxnet3_input_node.index,
101 vmxnet3_clear_hw_interface_counters (u32 instance)
103 vmxnet3_main_t *vmxm = &vmxnet3_main;
104 vmxnet3_device_t *vd = pool_elt_at_index (vmxm->devices, instance);
105 vmxnet3_tx_queue *tx = VMXNET3_TX_START (vd);
106 vmxnet3_rx_queue *rx = VMXNET3_RX_START (vd);
110 * Set the "last_cleared_stats" to the current stats, so that
111 * things appear to clear from a display perspective.
113 vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_GET_STATS);
115 vec_foreach_index (qid, vd->txqs)
117 vmxnet3_tx_stats *txs = vec_elt_at_index (vd->tx_stats, qid);
118 clib_memcpy (txs, &tx->stats, sizeof (*txs));
121 vec_foreach_index (qid, vd->rxqs)
123 vmxnet3_rx_stats *rxs = vec_elt_at_index (vd->rx_stats, qid);
124 clib_memcpy (rxs, &rx->stats, sizeof (*rxs));
129 static char *vmxnet3_tx_func_error_strings[] = {
131 foreach_vmxnet3_tx_func_error
136 VNET_DEVICE_CLASS (vmxnet3_device_class,) =
138 .name = "VMXNET3 interface",
139 .format_device = format_vmxnet3_device,
140 .format_device_name = format_vmxnet3_device_name,
141 .admin_up_down_function = vmxnet3_interface_admin_up_down,
142 .clear_counters = vmxnet3_clear_hw_interface_counters,
143 .rx_mode_change_function = vmxnet3_interface_rx_mode_change,
144 .rx_redirect_to_node = vmxnet3_set_interface_next_node,
145 .tx_function_n_errors = VMXNET3_TX_N_ERROR,
146 .tx_function_error_strings = vmxnet3_tx_func_error_strings,
151 vmxnet3_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hw, u32 flags)
157 vmxnet3_write_mac (vmxnet3_device_t * vd)
161 memcpy (&val, vd->mac_addr, 4);
162 vmxnet3_reg_write (vd, 1, VMXNET3_REG_MACL, val);
165 memcpy (&val, vd->mac_addr + 4, 2);
166 vmxnet3_reg_write (vd, 1, VMXNET3_REG_MACH, val);
169 static clib_error_t *
170 vmxnet3_provision_driver_shared (vlib_main_t * vm, vmxnet3_device_t * vd)
172 vmxnet3_shared *shared;
175 vmxnet3_tx_queue *tx = VMXNET3_TX_START (vd);
176 vmxnet3_rx_queue *rx = VMXNET3_RX_START (vd);
179 vlib_physmem_alloc_aligned_on_numa (vm, sizeof (*vd->driver_shared), 512,
181 if (vd->driver_shared == 0)
182 return vlib_physmem_last_error (vm);
184 clib_memset (vd->driver_shared, 0, sizeof (*vd->driver_shared));
186 vec_foreach_index (qid, vd->txqs)
188 vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, qid);
190 tx->cfg.desc_address = vmxnet3_dma_addr (vm, vd, txq->tx_desc);
191 tx->cfg.comp_address = vmxnet3_dma_addr (vm, vd, txq->tx_comp);
192 tx->cfg.num_desc = txq->size;
193 tx->cfg.num_comp = txq->size;
197 vec_foreach_index (qid, vd->rxqs)
199 vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
201 for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
203 rx->cfg.desc_address[rid] = vmxnet3_dma_addr (vm, vd,
205 rx->cfg.num_desc[rid] = rxq->size;
207 rx->cfg.comp_address = vmxnet3_dma_addr (vm, vd, rxq->rx_comp);
208 rx->cfg.num_comp = rxq->size;
212 shared = vd->driver_shared;
213 shared->magic = VMXNET3_SHARED_MAGIC;
214 shared->misc.version = VMXNET3_VERSION_MAGIC;
215 if (sizeof (void *) == 4)
216 shared->misc.guest_info = VMXNET3_GOS_BITS_32;
218 shared->misc.guest_info = VMXNET3_GOS_BITS_64;
219 shared->misc.guest_info |= VMXNET3_GOS_TYPE_LINUX;
220 shared->misc.version_support = VMXNET3_VERSION_SELECT;
221 shared->misc.upt_features = VMXNET3_F_RXCSUM;
223 shared->misc.upt_features |= VMXNET3_F_LRO;
224 shared->misc.max_num_rx_sg = 0;
225 shared->misc.upt_version_support = VMXNET3_UPT_VERSION_SELECT;
226 shared->misc.queue_desc_address = vmxnet3_dma_addr (vm, vd, vd->queues);
227 shared->misc.queue_desc_len = sizeof (*tx) * vd->num_tx_queues +
228 sizeof (*rx) * vd->num_rx_queues;
229 shared->misc.mtu = VMXNET3_MTU;
230 shared->misc.num_tx_queues = vd->num_tx_queues;
231 shared->misc.num_rx_queues = vd->num_rx_queues;
232 shared->interrupt.num_intrs = vd->num_intrs;
233 shared->interrupt.event_intr_index = 1;
234 shared->interrupt.control = VMXNET3_IC_DISABLE_ALL;
235 shared->rx_filter.mode = VMXNET3_RXMODE_UCAST | VMXNET3_RXMODE_BCAST |
236 VMXNET3_RXMODE_ALL_MULTI | VMXNET3_RXMODE_PROMISC;
237 shared_dma = vmxnet3_dma_addr (vm, vd, shared);
239 vmxnet3_reg_write (vd, 1, VMXNET3_REG_DSAL, shared_dma);
240 vmxnet3_reg_write (vd, 1, VMXNET3_REG_DSAH, shared_dma >> 32);
246 vmxnet3_enable_interrupt (vmxnet3_device_t * vd)
249 vmxnet3_shared *shared = vd->driver_shared;
251 shared->interrupt.control &= ~VMXNET3_IC_DISABLE_ALL;
252 for (i = 0; i < vd->num_intrs; i++)
253 vmxnet3_reg_write (vd, 0, VMXNET3_REG_IMR + i * 8, 0);
257 vmxnet3_disable_interrupt (vmxnet3_device_t * vd)
260 vmxnet3_shared *shared = vd->driver_shared;
262 shared->interrupt.control |= VMXNET3_IC_DISABLE_ALL;
263 for (i = 0; i < vd->num_intrs; i++)
264 vmxnet3_reg_write (vd, 0, VMXNET3_REG_IMR + i * 8, 1);
267 static clib_error_t *
268 vmxnet3_rxq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
271 vmxnet3_rx_stats *rxs;
274 vec_validate (vd->rx_stats, qid);
275 rxs = vec_elt_at_index (vd->rx_stats, qid);
276 clib_memset (rxs, 0, sizeof (*rxs));
278 vec_validate_aligned (vd->rxqs, qid, CLIB_CACHE_LINE_BYTES);
279 rxq = vec_elt_at_index (vd->rxqs, qid);
280 clib_memset (rxq, 0, sizeof (*rxq));
282 for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
284 rxq->rx_desc[rid] = vlib_physmem_alloc_aligned_on_numa
285 (vm, qsz * sizeof (*rxq->rx_desc[rid]), 512, vd->numa_node);
287 if (rxq->rx_desc[rid] == 0)
288 return vlib_physmem_last_error (vm);
290 clib_memset (rxq->rx_desc[rid], 0, qsz * sizeof (*rxq->rx_desc[rid]));
293 vlib_physmem_alloc_aligned_on_numa (vm, qsz * sizeof (*rxq->rx_comp), 512,
295 if (rxq->rx_comp == 0)
296 return vlib_physmem_last_error (vm);
298 clib_memset (rxq->rx_comp, 0, qsz * sizeof (*rxq->rx_comp));
299 for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
301 vmxnet3_rx_ring *ring;
303 ring = &rxq->rx_ring[rid];
304 ring->gen = VMXNET3_RXF_GEN;
306 vec_validate_aligned (ring->bufs, rxq->size, CLIB_CACHE_LINE_BYTES);
308 rxq->rx_comp_ring.gen = VMXNET3_RXCF_GEN;
313 static clib_error_t *
314 vmxnet3_txq_init (vlib_main_t * vm, vmxnet3_device_t * vd, u16 qid, u16 qsz)
317 vmxnet3_tx_stats *txs;
320 if (qid >= vd->num_tx_queues)
322 qid = qid % vd->num_tx_queues;
323 txq = vec_elt_at_index (vd->txqs, qid);
325 clib_spinlock_init (&txq->lock);
326 vd->flags |= VMXNET3_DEVICE_F_SHARED_TXQ_LOCK;
330 vec_validate (vd->tx_stats, qid);
331 txs = vec_elt_at_index (vd->tx_stats, qid);
332 clib_memset (txs, 0, sizeof (*txs));
334 vec_validate_aligned (vd->txqs, qid, CLIB_CACHE_LINE_BYTES);
335 txq = vec_elt_at_index (vd->txqs, qid);
336 clib_memset (txq, 0, sizeof (*txq));
338 txq->reg_txprod = qid * 8 + VMXNET3_REG_TXPROD;
340 size = qsz * sizeof (*txq->tx_desc);
342 vlib_physmem_alloc_aligned_on_numa (vm, size, 512, vd->numa_node);
343 if (txq->tx_desc == 0)
344 return vlib_physmem_last_error (vm);
346 memset (txq->tx_desc, 0, size);
348 size = qsz * sizeof (*txq->tx_comp);
350 vlib_physmem_alloc_aligned_on_numa (vm, size, 512, vd->numa_node);
351 if (txq->tx_comp == 0)
352 return vlib_physmem_last_error (vm);
354 clib_memset (txq->tx_comp, 0, size);
355 vec_validate_aligned (txq->tx_ring.bufs, txq->size, CLIB_CACHE_LINE_BYTES);
356 txq->tx_ring.gen = VMXNET3_TXF_GEN;
357 txq->tx_comp_ring.gen = VMXNET3_TXCF_GEN;
362 static clib_error_t *
363 vmxnet3_device_init (vlib_main_t * vm, vmxnet3_device_t * vd,
364 vmxnet3_create_if_args_t * args)
366 vnet_main_t *vnm = vnet_get_main ();
367 vmxnet3_main_t *vmxm = &vmxnet3_main;
368 clib_error_t *error = 0;
370 vlib_thread_main_t *tm = vlib_get_thread_main ();
372 /* Quiesce the device */
373 vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_QUIESCE_DEV);
374 ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_CMD);
377 error = clib_error_return (0, "error on quiescing device rc (%u)", ret);
381 /* Reset the device */
382 vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_RESET_DEV);
383 ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_CMD);
386 error = clib_error_return (0, "error on resetting device rc (%u)", ret);
390 ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_VRRS);
391 vd->version = count_leading_zeros (ret);
392 vd->version = uword_bits - vd->version;
394 if (vd->version == 0)
396 error = clib_error_return (0, "unsupported hardware version %u",
401 /* cap support version to 3 */
402 vmxnet3_reg_write (vd, 1, VMXNET3_REG_VRRS,
403 1 << (clib_min (3, vd->version) - 1));
405 ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_UVRS);
407 vmxnet3_reg_write (vd, 1, VMXNET3_REG_UVRS, 1);
410 error = clib_error_return (0, "unsupported upt version %u", ret);
414 /* LRO is only supported for version >= 3 */
415 if ((vmxm->lro_configured) && (vd->version >= 3))
418 vnm->interface_main.gso_interface_count++;
421 vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_GET_LINK);
422 ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_CMD);
425 vd->flags |= VMXNET3_DEVICE_F_LINK_UP;
426 vd->link_speed = ret >> 16;
429 vd->flags &= ~VMXNET3_DEVICE_F_LINK_UP;
431 /* Get the mac address */
432 ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_MACL);
433 clib_memcpy (vd->mac_addr, &ret, 4);
434 ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_MACH);
435 clib_memcpy (vd->mac_addr + 4, &ret, 2);
437 size = sizeof (vmxnet3_rx_queue) * vd->num_rx_queues +
438 sizeof (vmxnet3_tx_queue) * vd->num_tx_queues;
441 vlib_physmem_alloc_aligned_on_numa (vm, size, 512, vd->numa_node);
443 return vlib_physmem_last_error (vm);
445 clib_memset (vd->queues, 0, size);
447 error = vmxnet3_rxq_init (vm, vd, 0, args->rxq_size);
451 for (i = 0; i < tm->n_vlib_mains; i++)
453 error = vmxnet3_txq_init (vm, vd, i, args->txq_size);
458 error = vmxnet3_provision_driver_shared (vm, vd);
462 vmxnet3_write_mac (vd);
464 /* Activate device */
465 vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_ACTIVATE_DEV);
466 ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_CMD);
470 clib_error_return (0, "error on activating device rc (%u)", ret);
474 /* Disable interrupts */
475 vmxnet3_disable_interrupt (vd);
477 vec_foreach_index (i, vd->rxqs)
479 vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, i);
481 vmxnet3_rxq_refill_ring0 (vm, vd, rxq);
482 vmxnet3_rxq_refill_ring1 (vm, vd, rxq);
484 vd->flags |= VMXNET3_DEVICE_F_INITIALIZED;
486 vmxnet3_enable_interrupt (vd);
492 vmxnet3_irq_0_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
494 vnet_main_t *vnm = vnet_get_main ();
495 vmxnet3_main_t *vmxm = &vmxnet3_main;
496 uword pd = vlib_pci_get_private_data (vm, h);
497 vmxnet3_device_t *vd = pool_elt_at_index (vmxm->devices, pd);
500 if (vec_len (vd->rxqs) > qid && vd->rxqs[qid].int_mode != 0)
501 vnet_device_input_set_interrupt_pending (vnm, vd->hw_if_index, qid);
505 vmxnet3_irq_1_handler (vlib_main_t * vm, vlib_pci_dev_handle_t h, u16 line)
507 vnet_main_t *vnm = vnet_get_main ();
508 vmxnet3_main_t *vmxm = &vmxnet3_main;
509 uword pd = vlib_pci_get_private_data (vm, h);
510 vmxnet3_device_t *vd = pool_elt_at_index (vmxm->devices, pd);
513 vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_GET_LINK);
514 ret = vmxnet3_reg_read (vd, 1, VMXNET3_REG_CMD);
517 vd->flags |= VMXNET3_DEVICE_F_LINK_UP;
518 vd->link_speed = ret >> 16;
519 vnet_hw_interface_set_link_speed (vnm, vd->hw_if_index,
520 vd->link_speed * 1000);
521 vnet_hw_interface_set_flags (vnm, vd->hw_if_index,
522 VNET_HW_INTERFACE_FLAG_LINK_UP);
526 vd->flags &= ~VMXNET3_DEVICE_F_LINK_UP;
527 vnet_hw_interface_set_flags (vnm, vd->hw_if_index, 0);
532 vmxnet3_queue_size_valid (u16 qsz)
534 if (qsz < 64 || qsz > 4096)
542 vmxnet3_queue_num_valid (u16 num)
544 vlib_thread_main_t *tm = vlib_get_thread_main ();
546 if ((num > VMXNET3_TXQ_MAX) || (num > tm->n_vlib_mains))
552 vmxnet3_create_if (vlib_main_t * vm, vmxnet3_create_if_args_t * args)
554 vnet_main_t *vnm = vnet_get_main ();
555 vmxnet3_main_t *vmxm = &vmxnet3_main;
556 vmxnet3_device_t *vd;
557 vlib_pci_dev_handle_t h;
558 clib_error_t *error = 0;
560 if (args->txq_num == 0)
562 if (!vmxnet3_queue_num_valid (args->txq_num))
564 args->rv = VNET_API_ERROR_INVALID_VALUE;
566 clib_error_return (error,
567 "number of queues must be <= %u and <= number of "
568 "CPU's assigned to VPP", VMXNET3_TXQ_MAX);
569 vlib_log (VLIB_LOG_LEVEL_ERR, vmxm->log_default, "%U: %s",
570 format_vlib_pci_addr, &args->addr,
571 "number of queues must be <= %u and <= number of "
572 "CPU's assigned to VPP", VMXNET3_TXQ_MAX);
575 if (args->rxq_size == 0)
576 args->rxq_size = VMXNET3_NUM_RX_DESC;
577 if (args->txq_size == 0)
578 args->txq_size = VMXNET3_NUM_TX_DESC;
580 if (!vmxnet3_queue_size_valid (args->rxq_size) ||
581 !vmxnet3_queue_size_valid (args->txq_size))
583 args->rv = VNET_API_ERROR_INVALID_VALUE;
585 clib_error_return (error,
586 "queue size must be <= 4096, >= 64, "
587 "and multiples of 64");
588 vlib_log (VLIB_LOG_LEVEL_ERR, vmxm->log_default, "%U: %s",
589 format_vlib_pci_addr, &args->addr,
590 "queue size must be <= 4096, >= 64, and multiples of 64");
595 pool_foreach (vd, vmxm->devices, ({
596 if (vd->pci_addr.as_u32 == args->addr.as_u32)
598 args->rv = VNET_API_ERROR_INVALID_VALUE;
600 clib_error_return (error, "PCI address in use");
601 vlib_log (VLIB_LOG_LEVEL_ERR, vmxm->log_default, "%U: %s",
602 format_vlib_pci_addr, &args->addr, "pci address in use");
608 pool_get (vmxm->devices, vd);
609 vd->num_tx_queues = args->txq_num;
610 vd->dev_instance = vd - vmxm->devices;
611 vd->per_interface_next_index = ~0;
612 vd->pci_addr = args->addr;
614 if (args->enable_elog)
615 vd->flags |= VMXNET3_DEVICE_F_ELOG;
618 vlib_pci_device_open (vm, &args->addr, vmxnet3_pci_device_ids, &h)))
620 pool_put (vmxm->devices, vd);
621 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
623 clib_error_return (error, "pci-addr %U", format_vlib_pci_addr,
625 vlib_log (VLIB_LOG_LEVEL_ERR, vmxm->log_default, "%U: %s",
626 format_vlib_pci_addr, &args->addr,
627 "error encountered on pci device open");
632 * Do not use vmxnet3_log_error prior to this line since the macro
633 * references vd->pci_dev_handle
635 vd->pci_dev_handle = h;
636 vd->numa_node = vlib_pci_get_numa_node (vm, h);
637 vd->num_rx_queues = 1;
640 vlib_pci_set_private_data (vm, h, vd->dev_instance);
642 if ((error = vlib_pci_bus_master_enable (vm, h)))
644 vmxnet3_log_error (vd, "error encountered on pci bus master enable");
648 if ((error = vlib_pci_map_region (vm, h, 0, (void **) &vd->bar[0])))
650 vmxnet3_log_error (vd, "error encountered on pci map region for bar 0");
654 if ((error = vlib_pci_map_region (vm, h, 1, (void **) &vd->bar[1])))
656 vmxnet3_log_error (vd, "error encountered on pci map region for bar 1");
660 if ((error = vlib_pci_register_msix_handler (vm, h, 0, 1,
661 &vmxnet3_irq_0_handler)))
663 vmxnet3_log_error (vd,
664 "error encountered on pci register msix handler 0");
668 if ((error = vlib_pci_register_msix_handler (vm, h, 1, 1,
669 &vmxnet3_irq_1_handler)))
671 vmxnet3_log_error (vd,
672 "error encountered on pci register msix handler 1");
676 if ((error = vlib_pci_enable_msix_irq (vm, h, 0, 2)))
678 vmxnet3_log_error (vd, "error encountered on pci enable msix irq");
682 if ((error = vlib_pci_intr_enable (vm, h)))
684 vmxnet3_log_error (vd, "error encountered on pci interrupt enable");
688 if ((error = vmxnet3_device_init (vm, vd, args)))
690 vmxnet3_log_error (vd, "error encountered on device init");
694 /* create interface */
695 error = ethernet_register_interface (vnm, vmxnet3_device_class.index,
696 vd->dev_instance, vd->mac_addr,
697 &vd->hw_if_index, vmxnet3_flag_change);
701 vmxnet3_log_error (vd,
702 "error encountered on ethernet register interface");
706 vnet_sw_interface_t *sw = vnet_get_hw_sw_interface (vnm, vd->hw_if_index);
707 vd->sw_if_index = sw->sw_if_index;
708 args->sw_if_index = sw->sw_if_index;
710 vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, vd->hw_if_index);
711 hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE;
713 hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO;
715 vnet_hw_interface_set_input_node (vnm, vd->hw_if_index,
716 vmxnet3_input_node.index);
717 vnet_hw_interface_assign_rx_thread (vnm, vd->hw_if_index, 0, ~0);
718 vnet_hw_interface_set_link_speed (vnm, vd->hw_if_index,
719 vd->link_speed * 1000);
720 if (vd->flags & VMXNET3_DEVICE_F_LINK_UP)
721 vnet_hw_interface_set_flags (vnm, vd->hw_if_index,
722 VNET_HW_INTERFACE_FLAG_LINK_UP);
724 vnet_hw_interface_set_flags (vnm, vd->hw_if_index, 0);
728 vmxnet3_delete_if (vm, vd);
729 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
734 vmxnet3_delete_if (vlib_main_t * vm, vmxnet3_device_t * vd)
736 vnet_main_t *vnm = vnet_get_main ();
737 vmxnet3_main_t *vmxm = &vmxnet3_main;
741 /* Quiesce the device */
742 vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_QUIESCE_DEV);
744 /* Reset the device */
745 vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_RESET_DEV);
749 vnet_hw_interface_set_flags (vnm, vd->hw_if_index, 0);
750 vnet_hw_interface_unassign_rx_thread (vnm, vd->hw_if_index, 0);
751 ethernet_delete_interface (vnm, vd->hw_if_index);
754 vlib_pci_device_close (vm, vd->pci_dev_handle);
757 vec_foreach_index (i, vd->rxqs)
759 vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, i);
760 u16 mask = rxq->size - 1;
763 for (rid = 0; rid < VMXNET3_RX_RING_SIZE; rid++)
765 vmxnet3_rx_ring *ring;
767 ring = &rxq->rx_ring[rid];
768 desc_idx = (ring->consume + 1) & mask;
769 vlib_buffer_free_from_ring (vm, ring->bufs, desc_idx, rxq->size,
771 vec_free (ring->bufs);
772 vlib_physmem_free (vm, rxq->rx_desc[rid]);
774 vlib_physmem_free (vm, rxq->rx_comp);
778 vec_free (vd->rx_stats);
781 vec_foreach_index (i, vd->txqs)
783 vmxnet3_txq_t *txq = vec_elt_at_index (vd->txqs, i);
784 u16 mask = txq->size - 1;
787 desc_idx = txq->tx_ring.consume;
788 end_idx = txq->tx_ring.produce;
789 while (desc_idx != end_idx)
791 bi = txq->tx_ring.bufs[desc_idx];
792 vlib_buffer_free_no_next (vm, &bi, 1);
796 clib_spinlock_free (&txq->lock);
797 vec_free (txq->tx_ring.bufs);
798 vlib_physmem_free (vm, txq->tx_desc);
799 vlib_physmem_free (vm, txq->tx_comp);
803 vec_free (vd->tx_stats);
805 vlib_physmem_free (vm, vd->driver_shared);
806 vlib_physmem_free (vm, vd->queues);
808 clib_error_free (vd->error);
809 clib_memset (vd, 0, sizeof (*vd));
810 pool_put (vmxm->devices, vd);
813 vnm->interface_main.gso_interface_count--;
817 * fd.io coding-style-patch-verification: ON
820 * eval: (c-set-style "gnu")