1 /* SPDX-License-Identifier: Apache-2.0
2 * Copyright (c) 2023 Cisco Systems, Inc.
6 #include <vnet/dev/dev.h>
7 #include <vnet/dev/pci.h>
8 #include <vnet/dev/counters.h>
9 #include <dev_octeon/octeon.h>
10 #include <dev_octeon/common.h>
11 #include <vnet/ethernet/ethernet.h>
13 #define OCT_FLOW_PREALLOC_SIZE 1
14 #define OCT_FLOW_MAX_PRIORITY 7
15 #define OCT_ETH_LINK_SPEED_100G 100000 /**< 100 Gbps */
17 VLIB_REGISTER_LOG_CLASS (oct_log, static) = {
18 .class_name = "octeon",
19 .subclass_name = "port",
22 static const u8 default_rss_key[] = {
23 0xfe, 0xed, 0x0b, 0xad, 0xfe, 0xed, 0x0b, 0xad, 0xad, 0x0b, 0xed, 0xfe,
24 0xad, 0x0b, 0xed, 0xfe, 0x13, 0x57, 0x9b, 0xef, 0x24, 0x68, 0xac, 0x0e,
25 0x91, 0x72, 0x53, 0x11, 0x82, 0x64, 0x20, 0x44, 0x12, 0xef, 0x34, 0xcd,
26 0x56, 0xbc, 0x78, 0x9a, 0x9a, 0x78, 0xbc, 0x56, 0xcd, 0x34, 0xef, 0x12
29 static const u32 default_rss_flowkey =
30 (FLOW_KEY_TYPE_IPV4 | FLOW_KEY_TYPE_IPV6 | FLOW_KEY_TYPE_TCP |
31 FLOW_KEY_TYPE_UDP | FLOW_KEY_TYPE_SCTP);
33 static const u64 rxq_cfg =
34 ROC_NIX_LF_RX_CFG_DIS_APAD | ROC_NIX_LF_RX_CFG_IP6_UDP_OPT |
35 ROC_NIX_LF_RX_CFG_L2_LEN_ERR | ROC_NIX_LF_RX_CFG_DROP_RE |
36 ROC_NIX_LF_RX_CFG_CSUM_OL4 | ROC_NIX_LF_RX_CFG_CSUM_IL4 |
37 ROC_NIX_LF_RX_CFG_LEN_OL3 | ROC_NIX_LF_RX_CFG_LEN_OL4 |
38 ROC_NIX_LF_RX_CFG_LEN_IL3 | ROC_NIX_LF_RX_CFG_LEN_IL4;
41 oct_roc_err (vnet_dev_t *dev, int rv, char *fmt, ...)
47 s = va_format (s, fmt, &va);
50 log_err (dev, "%v - ROC error %s (%d)", s, roc_error_msg_get (rv), rv);
53 return VNET_DEV_ERR_INTERNAL;
57 oct_port_init (vlib_main_t *vm, vnet_dev_port_t *port)
59 vnet_dev_t *dev = port->dev;
60 oct_device_t *cd = vnet_dev_get_data (dev);
61 oct_port_t *cp = vnet_dev_get_port_data (port);
62 struct roc_nix *nix = cd->nix;
66 log_debug (dev, "port init: port %u", port->port_id);
68 if ((rrv = roc_nix_lf_alloc (nix, port->intf.num_rx_queues,
69 port->intf.num_tx_queues, rxq_cfg)))
71 oct_port_deinit (vm, port);
74 "roc_nix_lf_alloc(nb_rxq = %u, nb_txq = %d, rxq_cfg=0x%lx) failed",
75 port->intf.num_rx_queues, port->intf.num_tx_queues, rxq_cfg);
79 if ((rrv = roc_nix_tm_init (nix)))
81 oct_port_deinit (vm, port);
82 return oct_roc_err (dev, rrv, "roc_nix_tm_init() failed");
84 cp->tm_initialized = 1;
86 if ((rrv = roc_nix_tm_hierarchy_enable (nix, ROC_NIX_TM_DEFAULT,
87 /* xmit_enable */ 0)))
89 oct_port_deinit (vm, port);
90 return oct_roc_err (dev, rrv, "roc_nix_tm_hierarchy_enable() failed");
93 if ((rrv = roc_nix_rss_default_setup (nix, default_rss_flowkey)))
95 oct_port_deinit (vm, port);
96 return oct_roc_err (dev, rrv, "roc_nix_rss_default_setup() failed");
99 roc_nix_rss_key_set (nix, default_rss_key);
101 cp->npc.roc_nix = nix;
102 cp->npc.flow_prealloc_size = OCT_FLOW_PREALLOC_SIZE;
103 cp->npc.flow_max_priority = OCT_FLOW_MAX_PRIORITY;
104 if ((rrv = roc_npc_init (&cp->npc)))
106 oct_port_deinit (vm, port);
107 return oct_roc_err (dev, rrv, "roc_npc_init() failed");
109 cp->npc_initialized = 1;
111 foreach_vnet_dev_port_rx_queue (q, port)
113 if ((rv = oct_rxq_init (vm, q)))
115 oct_port_deinit (vm, port);
119 foreach_vnet_dev_port_tx_queue (q, port)
121 if ((rv = oct_txq_init (vm, q)))
123 oct_port_deinit (vm, port);
131 oct_port_deinit (vlib_main_t *vm, vnet_dev_port_t *port)
133 vnet_dev_t *dev = port->dev;
134 oct_device_t *cd = vnet_dev_get_data (dev);
135 oct_port_t *cp = vnet_dev_get_port_data (port);
136 struct roc_nix *nix = cd->nix;
139 foreach_vnet_dev_port_rx_queue (q, port)
140 oct_rxq_deinit (vm, q);
141 foreach_vnet_dev_port_tx_queue (q, port)
142 oct_txq_deinit (vm, q);
144 if (cp->npc_initialized)
146 if ((rrv = roc_npc_fini (&cp->npc)))
147 oct_roc_err (dev, rrv, "roc_npc_fini() failed");
148 cp->npc_initialized = 0;
151 if (cp->tm_initialized)
153 roc_nix_tm_fini (nix);
154 cp->tm_initialized = 0;
157 if (cp->lf_allocated)
159 if ((rrv = roc_nix_lf_free (nix)))
160 oct_roc_err (dev, rrv, "roc_nix_lf_free() failed");
161 cp->lf_allocated = 0;
166 oct_port_poll (vlib_main_t *vm, vnet_dev_port_t *port)
168 vnet_dev_t *dev = port->dev;
169 oct_device_t *cd = vnet_dev_get_data (dev);
170 struct roc_nix *nix = cd->nix;
171 struct roc_nix_link_info link_info = {};
172 vnet_dev_port_state_changes_t changes = {};
175 if (roc_nix_is_lbk (nix))
177 link_info.status = 1;
178 link_info.full_duplex = 1;
179 link_info.autoneg = 0;
180 link_info.speed = OCT_ETH_LINK_SPEED_100G;
184 rrv = roc_nix_mac_link_info_get (nix, &link_info);
189 if (cd->status != link_info.status)
191 changes.change.link_state = 1;
192 changes.link_state = link_info.status;
193 cd->status = link_info.status;
196 if (cd->full_duplex != link_info.full_duplex)
198 changes.change.link_duplex = 1;
199 changes.full_duplex = link_info.full_duplex;
200 cd->full_duplex = link_info.full_duplex;
203 if (cd->speed != link_info.speed)
205 changes.change.link_speed = 1;
206 changes.link_speed = link_info.speed;
207 cd->speed = link_info.speed;
210 if (changes.change.any == 0)
214 "status %u full_duplex %u speed %u port %u lmac_type_id %u "
215 "fec %u aautoneg %u",
216 link_info.status, link_info.full_duplex, link_info.speed,
217 link_info.port, link_info.lmac_type_id, link_info.fec,
219 vnet_dev_port_state_change (vm, port, changes);
223 oct_rxq_start (vlib_main_t *vm, vnet_dev_rx_queue_t *rxq)
225 vnet_dev_t *dev = rxq->port->dev;
226 oct_rxq_t *crq = vnet_dev_get_rx_queue_data (rxq);
227 u32 buffer_indices[rxq->size], n_alloc;
228 u8 bpi = vnet_dev_get_rx_queue_buffer_pool_index (rxq);
231 n_alloc = vlib_buffer_alloc_from_pool (vm, buffer_indices, rxq->size, bpi);
233 for (int i = 0; i < n_alloc; i++)
234 roc_npa_aura_op_free (
236 pointer_to_uword (vlib_get_buffer (vm, buffer_indices[i])) -
239 crq->n_enq = n_alloc;
241 if (roc_npa_aura_op_available (crq->aura_handle) != rxq->size)
242 log_warn (rxq->port->dev, "rx queue %u aura not filled completelly",
245 if ((rrv = roc_nix_rq_ena_dis (&crq->rq, 1)))
246 return oct_roc_err (dev, rrv, "roc_nix_rq_ena_dis() failed");
251 oct_rxq_stop (vlib_main_t *vm, vnet_dev_rx_queue_t *rxq)
253 vnet_dev_t *dev = rxq->port->dev;
254 oct_rxq_t *crq = vnet_dev_get_rx_queue_data (rxq);
258 if ((rrv = roc_nix_rq_ena_dis (&crq->rq, 0)))
259 oct_roc_err (dev, rrv, "roc_nix_rq_ena_dis() failed");
261 n = oct_aura_free_all_buffers (vm, crq->aura_handle, crq->hdr_off);
263 if (crq->n_enq - n > 0)
264 log_err (dev, "%u buffers leaked on rx queue %u stop", crq->n_enq - n,
267 log_debug (dev, "%u buffers freed from rx queue %u", n, rxq->queue_id);
273 oct_txq_stop (vlib_main_t *vm, vnet_dev_tx_queue_t *txq)
275 vnet_dev_t *dev = txq->port->dev;
276 oct_txq_t *ctq = vnet_dev_get_tx_queue_data (txq);
277 oct_npa_batch_alloc_cl128_t *cl;
278 u32 n, off = ctq->hdr_off;
280 n = oct_aura_free_all_buffers (vm, ctq->aura_handle, off);
283 if (ctq->n_enq > 0 && ctq->ba_num_cl > 0)
284 for (n = ctq->ba_num_cl, cl = ctq->ba_buffer + ctq->ba_first_cl; n;
287 oct_npa_batch_alloc_status_t st;
289 st.as_u64 = __atomic_load_n (cl->iova, __ATOMIC_ACQUIRE);
290 if (st.status.ccode != ALLOC_CCODE_INVAL)
291 for (u32 i = 0; i < st.status.count; i++)
293 vlib_buffer_t *b = (vlib_buffer_t *) (cl->iova[i] + off);
294 vlib_buffer_free_one (vm, vlib_get_buffer_index (vm, b));
300 log_err (dev, "%u buffers leaked on tx queue %u stop", ctq->n_enq,
303 log_debug (dev, "%u buffers freed from tx queue %u", n, txq->queue_id);
309 oct_port_start (vlib_main_t *vm, vnet_dev_port_t *port)
311 vnet_dev_t *dev = port->dev;
312 oct_device_t *cd = vnet_dev_get_data (dev);
313 struct roc_nix *nix = cd->nix;
314 struct roc_nix_eeprom_info eeprom_info = {};
318 log_debug (port->dev, "port start: port %u", port->port_id);
320 foreach_vnet_dev_port_rx_queue (q, port)
321 if ((rv = oct_rxq_start (vm, q)) != VNET_DEV_OK)
324 foreach_vnet_dev_port_tx_queue (q, port)
326 oct_txq_t *ctq = vnet_dev_get_tx_queue_data (q);
330 if ((rrv = roc_nix_mac_mtu_set (nix, 9200)))
332 rv = oct_roc_err (dev, rrv, "roc_nix_mac_mtu_set() failed");
336 if ((rrv = roc_nix_npc_rx_ena_dis (nix, true)))
338 rv = oct_roc_err (dev, rrv, "roc_nix_npc_rx_ena_dis() failed");
342 vnet_dev_poll_port_add (vm, port, 0.5, oct_port_poll);
344 if (roc_nix_eeprom_info_get (nix, &eeprom_info) == 0)
346 log_debug (dev, "sff_id %u data %U", eeprom_info.sff_id, format_hexdump,
347 eeprom_info.buf, sizeof (eeprom_info.buf));
350 if (rv != VNET_DEV_OK)
351 oct_port_stop (vm, port);
356 oct_port_stop (vlib_main_t *vm, vnet_dev_port_t *port)
358 vnet_dev_t *dev = port->dev;
359 oct_device_t *cd = vnet_dev_get_data (dev);
360 struct roc_nix *nix = cd->nix;
363 log_debug (port->dev, "port stop: port %u", port->port_id);
365 vnet_dev_poll_port_remove (vm, port, oct_port_poll);
367 rrv = roc_nix_npc_rx_ena_dis (nix, false);
370 oct_roc_err (dev, rrv, "roc_nix_npc_rx_ena_dis() failed");
374 foreach_vnet_dev_port_rx_queue (q, port)
375 oct_rxq_stop (vm, q);
377 foreach_vnet_dev_port_tx_queue (q, port)
378 oct_txq_stop (vm, q);
382 oct_validate_config_promisc_mode (vnet_dev_port_t *port, int enable)
384 vnet_dev_t *dev = port->dev;
385 oct_device_t *cd = vnet_dev_get_data (dev);
386 struct roc_nix *nix = cd->nix;
388 if (roc_nix_is_vf_or_sdp (nix))
389 return VNET_DEV_ERR_UNSUPPORTED_DEVICE;
395 oct_op_config_promisc_mode (vlib_main_t *vm, vnet_dev_port_t *port, int enable)
397 vnet_dev_t *dev = port->dev;
398 oct_device_t *cd = vnet_dev_get_data (dev);
399 struct roc_nix *nix = cd->nix;
402 rv = roc_nix_npc_promisc_ena_dis (nix, enable);
405 return oct_roc_err (dev, rv, "roc_nix_npc_promisc_ena_dis failed");
408 rv = roc_nix_mac_promisc_mode_enable (nix, enable);
411 return oct_roc_err (dev, rv,
412 "roc_nix_mac_promisc_mode_enable(%s) failed",
413 enable ? "true" : "false");
420 oct_port_cfg_change_validate (vlib_main_t *vm, vnet_dev_port_t *port,
421 vnet_dev_port_cfg_change_req_t *req)
423 vnet_dev_rv_t rv = VNET_DEV_OK;
427 case VNET_DEV_PORT_CFG_MAX_RX_FRAME_SIZE:
429 rv = VNET_DEV_ERR_PORT_STARTED;
432 case VNET_DEV_PORT_CFG_PROMISC_MODE:
433 rv = oct_validate_config_promisc_mode (port, req->promisc);
435 case VNET_DEV_PORT_CFG_CHANGE_PRIMARY_HW_ADDR:
436 case VNET_DEV_PORT_CFG_ADD_SECONDARY_HW_ADDR:
437 case VNET_DEV_PORT_CFG_REMOVE_SECONDARY_HW_ADDR:
440 case VNET_DEV_PORT_CFG_ADD_RX_FLOW:
441 case VNET_DEV_PORT_CFG_DEL_RX_FLOW:
442 case VNET_DEV_PORT_CFG_GET_RX_FLOW_COUNTER:
443 case VNET_DEV_PORT_CFG_RESET_RX_FLOW_COUNTER:
444 rv = oct_flow_validate_params (vm, port, req->type, req->flow_index,
449 rv = VNET_DEV_ERR_NOT_SUPPORTED;
456 oct_port_cfg_change (vlib_main_t *vm, vnet_dev_port_t *port,
457 vnet_dev_port_cfg_change_req_t *req)
459 vnet_dev_rv_t rv = VNET_DEV_OK;
463 case VNET_DEV_PORT_CFG_PROMISC_MODE:
464 rv = oct_op_config_promisc_mode (vm, port, req->promisc);
467 case VNET_DEV_PORT_CFG_CHANGE_PRIMARY_HW_ADDR:
470 case VNET_DEV_PORT_CFG_ADD_SECONDARY_HW_ADDR:
473 case VNET_DEV_PORT_CFG_REMOVE_SECONDARY_HW_ADDR:
476 case VNET_DEV_PORT_CFG_MAX_RX_FRAME_SIZE:
479 case VNET_DEV_PORT_CFG_ADD_RX_FLOW:
480 case VNET_DEV_PORT_CFG_DEL_RX_FLOW:
481 case VNET_DEV_PORT_CFG_GET_RX_FLOW_COUNTER:
482 case VNET_DEV_PORT_CFG_RESET_RX_FLOW_COUNTER:
483 rv = oct_flow_ops_fn (vm, port, req->type, req->flow_index,
489 return VNET_DEV_ERR_NOT_SUPPORTED;