4 * Copyright 2016 Freescale Semiconductor, Inc. All rights reserved.
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41 #include <sys/types.h>
42 #include <sys/syscall.h>
44 #include <rte_config.h>
45 #include <rte_byteorder.h>
46 #include <rte_common.h>
47 #include <rte_interrupts.h>
49 #include <rte_debug.h>
51 #include <rte_atomic.h>
52 #include <rte_branch_prediction.h>
53 #include <rte_memory.h>
54 #include <rte_memzone.h>
55 #include <rte_tailq.h>
57 #include <rte_alarm.h>
58 #include <rte_ether.h>
59 #include <rte_ethdev.h>
60 #include <rte_malloc.h>
63 #include <rte_dpaa_bus.h>
64 #include <rte_dpaa_logs.h>
65 #include <dpaa_mempool.h>
67 #include <dpaa_ethdev.h>
68 #include <dpaa_rxtx.h>
75 /* Keep track of whether QMAN and BMAN have been globally initialized */
76 static int is_global_init;
79 dpaa_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
81 struct dpaa_if *dpaa_intf = dev->data->dev_private;
83 PMD_INIT_FUNC_TRACE();
85 if (mtu < ETHER_MIN_MTU)
87 if (mtu > ETHER_MAX_LEN)
90 dev->data->dev_conf.rxmode.jumbo_frame = 0;
91 dev->data->dev_conf.rxmode.max_rx_pkt_len = mtu;
93 fman_if_set_maxfrm(dpaa_intf->fif, mtu);
99 dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
101 PMD_INIT_FUNC_TRACE();
106 static int dpaa_eth_dev_start(struct rte_eth_dev *dev)
108 struct dpaa_if *dpaa_intf = dev->data->dev_private;
110 PMD_INIT_FUNC_TRACE();
112 /* Change tx callback to the real one */
113 dev->tx_pkt_burst = dpaa_eth_queue_tx;
114 fman_if_enable_rx(dpaa_intf->fif);
119 static void dpaa_eth_dev_stop(struct rte_eth_dev *dev)
121 struct dpaa_if *dpaa_intf = dev->data->dev_private;
123 PMD_INIT_FUNC_TRACE();
125 fman_if_disable_rx(dpaa_intf->fif);
126 dev->tx_pkt_burst = dpaa_eth_tx_drop_all;
129 static void dpaa_eth_dev_close(struct rte_eth_dev *dev)
131 PMD_INIT_FUNC_TRACE();
133 dpaa_eth_dev_stop(dev);
137 int dpaa_eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
138 uint16_t nb_desc __rte_unused,
139 unsigned int socket_id __rte_unused,
140 const struct rte_eth_rxconf *rx_conf __rte_unused,
141 struct rte_mempool *mp)
143 struct dpaa_if *dpaa_intf = dev->data->dev_private;
145 PMD_INIT_FUNC_TRACE();
147 DPAA_PMD_INFO("Rx queue setup for queue index: %d", queue_idx);
149 if (!dpaa_intf->bp_info || dpaa_intf->bp_info->mp != mp) {
150 struct fman_if_ic_params icp;
154 if (!mp->pool_data) {
155 DPAA_PMD_ERR("Not an offloaded buffer pool!");
158 dpaa_intf->bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
160 memset(&icp, 0, sizeof(icp));
161 /* set ICEOF for to the default value , which is 0*/
162 icp.iciof = DEFAULT_ICIOF;
163 icp.iceof = DEFAULT_RX_ICEOF;
164 icp.icsz = DEFAULT_ICSZ;
165 fman_if_set_ic_params(dpaa_intf->fif, &icp);
167 fd_offset = RTE_PKTMBUF_HEADROOM + DPAA_HW_BUF_RESERVE;
168 fman_if_set_fdoff(dpaa_intf->fif, fd_offset);
170 /* Buffer pool size should be equal to Dataroom Size*/
171 bp_size = rte_pktmbuf_data_room_size(mp);
172 fman_if_set_bp(dpaa_intf->fif, mp->size,
173 dpaa_intf->bp_info->bpid, bp_size);
174 dpaa_intf->valid = 1;
175 DPAA_PMD_INFO("if =%s - fd_offset = %d offset = %d",
176 dpaa_intf->name, fd_offset,
177 fman_if_get_fdoff(dpaa_intf->fif));
179 dev->data->rx_queues[queue_idx] = &dpaa_intf->rx_queues[queue_idx];
185 void dpaa_eth_rx_queue_release(void *rxq __rte_unused)
187 PMD_INIT_FUNC_TRACE();
191 int dpaa_eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
192 uint16_t nb_desc __rte_unused,
193 unsigned int socket_id __rte_unused,
194 const struct rte_eth_txconf *tx_conf __rte_unused)
196 struct dpaa_if *dpaa_intf = dev->data->dev_private;
198 PMD_INIT_FUNC_TRACE();
200 DPAA_PMD_INFO("Tx queue setup for queue index: %d", queue_idx);
201 dev->data->tx_queues[queue_idx] = &dpaa_intf->tx_queues[queue_idx];
205 static void dpaa_eth_tx_queue_release(void *txq __rte_unused)
207 PMD_INIT_FUNC_TRACE();
210 static struct eth_dev_ops dpaa_devops = {
211 .dev_configure = dpaa_eth_dev_configure,
212 .dev_start = dpaa_eth_dev_start,
213 .dev_stop = dpaa_eth_dev_stop,
214 .dev_close = dpaa_eth_dev_close,
216 .rx_queue_setup = dpaa_eth_rx_queue_setup,
217 .tx_queue_setup = dpaa_eth_tx_queue_setup,
218 .rx_queue_release = dpaa_eth_rx_queue_release,
219 .tx_queue_release = dpaa_eth_tx_queue_release,
220 .mtu_set = dpaa_mtu_set,
223 /* Initialise an Rx FQ */
224 static int dpaa_rx_queue_init(struct qman_fq *fq,
227 struct qm_mcc_initfq opts;
230 PMD_INIT_FUNC_TRACE();
232 ret = qman_reserve_fqid(fqid);
234 DPAA_PMD_ERR("reserve rx fqid %d failed with ret: %d",
239 DPAA_PMD_DEBUG("creating rx fq %p, fqid %d", fq, fqid);
240 ret = qman_create_fq(fqid, QMAN_FQ_FLAG_NO_ENQUEUE, fq);
242 DPAA_PMD_ERR("create rx fqid %d failed with ret: %d",
247 opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
248 QM_INITFQ_WE_CONTEXTA;
250 opts.fqd.dest.wq = DPAA_IF_RX_PRIORITY;
251 opts.fqd.fq_ctrl = QM_FQCTRL_AVOIDBLOCK | QM_FQCTRL_CTXASTASHING |
252 QM_FQCTRL_PREFERINCACHE;
253 opts.fqd.context_a.stashing.exclusive = 0;
254 opts.fqd.context_a.stashing.annotation_cl = DPAA_IF_RX_ANNOTATION_STASH;
255 opts.fqd.context_a.stashing.data_cl = DPAA_IF_RX_DATA_STASH;
256 opts.fqd.context_a.stashing.context_cl = DPAA_IF_RX_CONTEXT_STASH;
258 /*Enable tail drop */
259 opts.we_mask = opts.we_mask | QM_INITFQ_WE_TDTHRESH;
260 opts.fqd.fq_ctrl = opts.fqd.fq_ctrl | QM_FQCTRL_TDE;
261 qm_fqd_taildrop_set(&opts.fqd.td, CONG_THRESHOLD_RX_Q, 1);
263 ret = qman_init_fq(fq, 0, &opts);
265 DPAA_PMD_ERR("init rx fqid %d failed with ret: %d", fqid, ret);
269 /* Initialise a Tx FQ */
270 static int dpaa_tx_queue_init(struct qman_fq *fq,
271 struct fman_if *fman_intf)
273 struct qm_mcc_initfq opts;
276 PMD_INIT_FUNC_TRACE();
278 ret = qman_create_fq(0, QMAN_FQ_FLAG_DYNAMIC_FQID |
279 QMAN_FQ_FLAG_TO_DCPORTAL, fq);
281 DPAA_PMD_ERR("create tx fq failed with ret: %d", ret);
284 opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
285 QM_INITFQ_WE_CONTEXTB | QM_INITFQ_WE_CONTEXTA;
286 opts.fqd.dest.channel = fman_intf->tx_channel_id;
287 opts.fqd.dest.wq = DPAA_IF_TX_PRIORITY;
288 opts.fqd.fq_ctrl = QM_FQCTRL_PREFERINCACHE;
289 opts.fqd.context_b = 0;
290 /* no tx-confirmation */
291 opts.fqd.context_a.hi = 0x80000000 | fman_dealloc_bufs_mask_hi;
292 opts.fqd.context_a.lo = 0 | fman_dealloc_bufs_mask_lo;
293 DPAA_PMD_DEBUG("init tx fq %p, fqid %d", fq, fq->fqid);
294 ret = qman_init_fq(fq, QMAN_INITFQ_FLAG_SCHED, &opts);
296 DPAA_PMD_ERR("init tx fqid %d failed %d", fq->fqid, ret);
300 /* Initialise a network interface */
302 dpaa_dev_init(struct rte_eth_dev *eth_dev)
304 int num_cores, num_rx_fqs, fqid;
307 struct rte_dpaa_device *dpaa_device;
308 struct dpaa_if *dpaa_intf;
309 struct fm_eth_port_cfg *cfg;
310 struct fman_if *fman_intf;
311 struct fman_if_bpool *bp, *tmp_bp;
313 PMD_INIT_FUNC_TRACE();
315 /* For secondary processes, the primary has done all the work */
316 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
319 dpaa_device = DEV_TO_DPAA_DEVICE(eth_dev->device);
320 dev_id = dpaa_device->id.dev_id;
321 dpaa_intf = eth_dev->data->dev_private;
322 cfg = &dpaa_netcfg->port_cfg[dev_id];
323 fman_intf = cfg->fman_if;
325 dpaa_intf->name = dpaa_device->name;
327 /* save fman_if & cfg in the interface struture */
328 dpaa_intf->fif = fman_intf;
329 dpaa_intf->ifid = dev_id;
330 dpaa_intf->cfg = cfg;
332 /* Initialize Rx FQ's */
333 if (getenv("DPAA_NUM_RX_QUEUES"))
334 num_rx_fqs = atoi(getenv("DPAA_NUM_RX_QUEUES"));
336 num_rx_fqs = DPAA_DEFAULT_NUM_PCD_QUEUES;
338 /* Each device can not have more than DPAA_PCD_FQID_MULTIPLIER RX
341 if (num_rx_fqs <= 0 || num_rx_fqs > DPAA_PCD_FQID_MULTIPLIER) {
342 DPAA_PMD_ERR("Invalid number of RX queues\n");
346 dpaa_intf->rx_queues = rte_zmalloc(NULL,
347 sizeof(struct qman_fq) * num_rx_fqs, MAX_CACHELINE);
348 for (loop = 0; loop < num_rx_fqs; loop++) {
349 fqid = DPAA_PCD_FQID_START + dpaa_intf->ifid *
350 DPAA_PCD_FQID_MULTIPLIER + loop;
351 ret = dpaa_rx_queue_init(&dpaa_intf->rx_queues[loop], fqid);
354 dpaa_intf->rx_queues[loop].dpaa_intf = dpaa_intf;
356 dpaa_intf->nb_rx_queues = num_rx_fqs;
358 /* Initialise Tx FQs. Have as many Tx FQ's as number of cores */
359 num_cores = rte_lcore_count();
360 dpaa_intf->tx_queues = rte_zmalloc(NULL, sizeof(struct qman_fq) *
361 num_cores, MAX_CACHELINE);
362 if (!dpaa_intf->tx_queues)
365 for (loop = 0; loop < num_cores; loop++) {
366 ret = dpaa_tx_queue_init(&dpaa_intf->tx_queues[loop],
370 dpaa_intf->tx_queues[loop].dpaa_intf = dpaa_intf;
372 dpaa_intf->nb_tx_queues = num_cores;
374 DPAA_PMD_DEBUG("All frame queues created");
376 /* reset bpool list, initialize bpool dynamically */
377 list_for_each_entry_safe(bp, tmp_bp, &cfg->fman_if->bpool_list, node) {
382 /* Populate ethdev structure */
383 eth_dev->dev_ops = &dpaa_devops;
384 eth_dev->rx_pkt_burst = dpaa_eth_queue_rx;
385 eth_dev->tx_pkt_burst = dpaa_eth_tx_drop_all;
387 /* Allocate memory for storing MAC addresses */
388 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr",
389 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER, 0);
390 if (eth_dev->data->mac_addrs == NULL) {
391 DPAA_PMD_ERR("Failed to allocate %d bytes needed to "
392 "store MAC addresses",
393 ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER);
394 rte_free(dpaa_intf->rx_queues);
395 rte_free(dpaa_intf->tx_queues);
396 dpaa_intf->rx_queues = NULL;
397 dpaa_intf->tx_queues = NULL;
398 dpaa_intf->nb_rx_queues = 0;
399 dpaa_intf->nb_tx_queues = 0;
403 /* copy the primary mac address */
404 ether_addr_copy(&fman_intf->mac_addr, ð_dev->data->mac_addrs[0]);
406 RTE_LOG(INFO, PMD, "net: dpaa: %s: %02x:%02x:%02x:%02x:%02x:%02x\n",
408 fman_intf->mac_addr.addr_bytes[0],
409 fman_intf->mac_addr.addr_bytes[1],
410 fman_intf->mac_addr.addr_bytes[2],
411 fman_intf->mac_addr.addr_bytes[3],
412 fman_intf->mac_addr.addr_bytes[4],
413 fman_intf->mac_addr.addr_bytes[5]);
415 /* Disable RX mode */
416 fman_if_discard_rx_errors(fman_intf);
417 fman_if_disable_rx(fman_intf);
418 /* Disable promiscuous mode */
419 fman_if_promiscuous_disable(fman_intf);
420 /* Disable multicast */
421 fman_if_reset_mcast_filter_table(fman_intf);
422 /* Reset interface statistics */
423 fman_if_stats_reset(fman_intf);
429 dpaa_dev_uninit(struct rte_eth_dev *dev)
431 struct dpaa_if *dpaa_intf = dev->data->dev_private;
433 PMD_INIT_FUNC_TRACE();
435 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
439 DPAA_PMD_WARN("Already closed or not started");
443 dpaa_eth_dev_close(dev);
445 /* release configuration memory */
446 if (dpaa_intf->fc_conf)
447 rte_free(dpaa_intf->fc_conf);
449 rte_free(dpaa_intf->rx_queues);
450 dpaa_intf->rx_queues = NULL;
452 rte_free(dpaa_intf->tx_queues);
453 dpaa_intf->tx_queues = NULL;
455 /* free memory for storing MAC addresses */
456 rte_free(dev->data->mac_addrs);
457 dev->data->mac_addrs = NULL;
460 dev->rx_pkt_burst = NULL;
461 dev->tx_pkt_burst = NULL;
467 rte_dpaa_probe(struct rte_dpaa_driver *dpaa_drv,
468 struct rte_dpaa_device *dpaa_dev)
472 struct rte_eth_dev *eth_dev;
474 PMD_INIT_FUNC_TRACE();
476 /* In case of secondary process, the device is already configured
477 * and no further action is required, except portal initialization
478 * and verifying secondary attachment to port name.
480 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
481 eth_dev = rte_eth_dev_attach_secondary(dpaa_dev->name);
487 if (!is_global_init) {
488 /* One time load of Qman/Bman drivers */
489 ret = qman_global_init();
491 DPAA_PMD_ERR("QMAN initialization failed: %d",
495 ret = bman_global_init();
497 DPAA_PMD_ERR("BMAN initialization failed: %d",
505 ret = rte_dpaa_portal_init((void *)1);
507 DPAA_PMD_ERR("Unable to initialize portal");
511 eth_dev = rte_eth_dev_allocate(dpaa_dev->name);
515 eth_dev->data->dev_private = rte_zmalloc(
516 "ethdev private structure",
517 sizeof(struct dpaa_if),
518 RTE_CACHE_LINE_SIZE);
519 if (!eth_dev->data->dev_private) {
520 DPAA_PMD_ERR("Cannot allocate memzone for port data");
521 rte_eth_dev_release_port(eth_dev);
525 eth_dev->device = &dpaa_dev->device;
526 eth_dev->device->driver = &dpaa_drv->driver;
527 dpaa_dev->eth_dev = eth_dev;
529 /* Invoke PMD device initialization function */
530 diag = dpaa_dev_init(eth_dev);
534 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
535 rte_free(eth_dev->data->dev_private);
537 rte_eth_dev_release_port(eth_dev);
542 rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev)
544 struct rte_eth_dev *eth_dev;
546 PMD_INIT_FUNC_TRACE();
548 eth_dev = dpaa_dev->eth_dev;
549 dpaa_dev_uninit(eth_dev);
551 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
552 rte_free(eth_dev->data->dev_private);
554 rte_eth_dev_release_port(eth_dev);
559 static struct rte_dpaa_driver rte_dpaa_pmd = {
560 .drv_type = FSL_DPAA_ETH,
561 .probe = rte_dpaa_probe,
562 .remove = rte_dpaa_remove,
565 RTE_PMD_REGISTER_DPAA(net_dpaa, rte_dpaa_pmd);