39c32b3483b420aebea86de26f33e08590de72bb
[dpdk.git] / drivers / net / dpaa2 / dpaa2_ethdev.c
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
5  *   Copyright 2016 NXP.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Freescale Semiconductor, Inc nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33
34 #include <time.h>
35 #include <net/if.h>
36
37 #include <rte_mbuf.h>
38 #include <rte_ethdev.h>
39 #include <rte_malloc.h>
40 #include <rte_memcpy.h>
41 #include <rte_string_fns.h>
42 #include <rte_cycles.h>
43 #include <rte_kvargs.h>
44 #include <rte_dev.h>
45 #include <rte_fslmc.h>
46
47 #include <fslmc_logs.h>
48 #include <fslmc_vfio.h>
49 #include <dpaa2_hw_pvt.h>
50 #include <dpaa2_hw_mempool.h>
51 #include <dpaa2_hw_dpio.h>
52 #include <mc/fsl_dpmng.h>
53 #include "dpaa2_ethdev.h"
54
55 struct rte_dpaa2_xstats_name_off {
56         char name[RTE_ETH_XSTATS_NAME_SIZE];
57         uint8_t page_id; /* dpni statistics page id */
58         uint8_t stats_id; /* stats id in the given page */
59 };
60
61 static const struct rte_dpaa2_xstats_name_off dpaa2_xstats_strings[] = {
62         {"ingress_multicast_frames", 0, 2},
63         {"ingress_multicast_bytes", 0, 3},
64         {"ingress_broadcast_frames", 0, 4},
65         {"ingress_broadcast_bytes", 0, 5},
66         {"egress_multicast_frames", 1, 2},
67         {"egress_multicast_bytes", 1, 3},
68         {"egress_broadcast_frames", 1, 4},
69         {"egress_broadcast_bytes", 1, 5},
70         {"ingress_filtered_frames", 2, 0},
71         {"ingress_discarded_frames", 2, 1},
72         {"ingress_nobuffer_discards", 2, 2},
73         {"egress_discarded_frames", 2, 3},
74         {"egress_confirmed_frames", 2, 4},
75 };
76
77 static struct rte_dpaa2_driver rte_dpaa2_pmd;
78 static int dpaa2_dev_uninit(struct rte_eth_dev *eth_dev);
79 static int dpaa2_dev_link_update(struct rte_eth_dev *dev,
80                                  int wait_to_complete);
81 static int dpaa2_dev_set_link_up(struct rte_eth_dev *dev);
82 static int dpaa2_dev_set_link_down(struct rte_eth_dev *dev);
83 static int dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
84
85 /**
86  * Atomically reads the link status information from global
87  * structure rte_eth_dev.
88  *
89  * @param dev
90  *   - Pointer to the structure rte_eth_dev to read from.
91  *   - Pointer to the buffer to be saved with the link status.
92  *
93  * @return
94  *   - On success, zero.
95  *   - On failure, negative value.
96  */
97 static inline int
98 dpaa2_dev_atomic_read_link_status(struct rte_eth_dev *dev,
99                                   struct rte_eth_link *link)
100 {
101         struct rte_eth_link *dst = link;
102         struct rte_eth_link *src = &dev->data->dev_link;
103
104         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
105                                 *(uint64_t *)src) == 0)
106                 return -1;
107
108         return 0;
109 }
110
111 /**
112  * Atomically writes the link status information into global
113  * structure rte_eth_dev.
114  *
115  * @param dev
116  *   - Pointer to the structure rte_eth_dev to read from.
117  *   - Pointer to the buffer to be saved with the link status.
118  *
119  * @return
120  *   - On success, zero.
121  *   - On failure, negative value.
122  */
123 static inline int
124 dpaa2_dev_atomic_write_link_status(struct rte_eth_dev *dev,
125                                    struct rte_eth_link *link)
126 {
127         struct rte_eth_link *dst = &dev->data->dev_link;
128         struct rte_eth_link *src = link;
129
130         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
131                                 *(uint64_t *)src) == 0)
132                 return -1;
133
134         return 0;
135 }
136
137 static int
138 dpaa2_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
139 {
140         int ret;
141         struct dpaa2_dev_priv *priv = dev->data->dev_private;
142         struct fsl_mc_io *dpni = priv->hw;
143
144         PMD_INIT_FUNC_TRACE();
145
146         if (dpni == NULL) {
147                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
148                 return -1;
149         }
150
151         if (on)
152                 ret = dpni_add_vlan_id(dpni, CMD_PRI_LOW,
153                                        priv->token, vlan_id);
154         else
155                 ret = dpni_remove_vlan_id(dpni, CMD_PRI_LOW,
156                                           priv->token, vlan_id);
157
158         if (ret < 0)
159                 PMD_DRV_LOG(ERR, "ret = %d Unable to add/rem vlan %d hwid =%d",
160                             ret, vlan_id, priv->hw_id);
161
162         return ret;
163 }
164
165 static void
166 dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask)
167 {
168         struct dpaa2_dev_priv *priv = dev->data->dev_private;
169         struct fsl_mc_io *dpni = priv->hw;
170         int ret;
171
172         PMD_INIT_FUNC_TRACE();
173
174         if (mask & ETH_VLAN_FILTER_MASK) {
175                 if (dev->data->dev_conf.rxmode.hw_vlan_filter)
176                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
177                                                       priv->token, true);
178                 else
179                         ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
180                                                       priv->token, false);
181                 if (ret < 0)
182                         RTE_LOG(ERR, PMD, "Unable to set vlan filter = %d\n",
183                                 ret);
184         }
185
186         if (mask & ETH_VLAN_EXTEND_MASK) {
187                 if (dev->data->dev_conf.rxmode.hw_vlan_extend)
188                         RTE_LOG(INFO, PMD,
189                                 "VLAN extend offload not supported\n");
190         }
191 }
192
193 static int
194 dpaa2_fw_version_get(struct rte_eth_dev *dev,
195                      char *fw_version,
196                      size_t fw_size)
197 {
198         int ret;
199         struct dpaa2_dev_priv *priv = dev->data->dev_private;
200         struct fsl_mc_io *dpni = priv->hw;
201         struct mc_soc_version mc_plat_info = {0};
202         struct mc_version mc_ver_info = {0};
203
204         PMD_INIT_FUNC_TRACE();
205
206         if (mc_get_soc_version(dpni, CMD_PRI_LOW, &mc_plat_info))
207                 RTE_LOG(WARNING, PMD, "\tmc_get_soc_version failed\n");
208
209         if (mc_get_version(dpni, CMD_PRI_LOW, &mc_ver_info))
210                 RTE_LOG(WARNING, PMD, "\tmc_get_version failed\n");
211
212         ret = snprintf(fw_version, fw_size,
213                        "%x-%d.%d.%d",
214                        mc_plat_info.svr,
215                        mc_ver_info.major,
216                        mc_ver_info.minor,
217                        mc_ver_info.revision);
218
219         ret += 1; /* add the size of '\0' */
220         if (fw_size < (uint32_t)ret)
221                 return ret;
222         else
223                 return 0;
224 }
225
226 static void
227 dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
228 {
229         struct dpaa2_dev_priv *priv = dev->data->dev_private;
230
231         PMD_INIT_FUNC_TRACE();
232
233         dev_info->if_index = priv->hw_id;
234
235         dev_info->max_mac_addrs = priv->max_mac_filters;
236         dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
237         dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
238         dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
239         dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
240         dev_info->rx_offload_capa =
241                 DEV_RX_OFFLOAD_IPV4_CKSUM |
242                 DEV_RX_OFFLOAD_UDP_CKSUM |
243                 DEV_RX_OFFLOAD_TCP_CKSUM |
244                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
245         dev_info->tx_offload_capa =
246                 DEV_TX_OFFLOAD_IPV4_CKSUM |
247                 DEV_TX_OFFLOAD_UDP_CKSUM |
248                 DEV_TX_OFFLOAD_TCP_CKSUM |
249                 DEV_TX_OFFLOAD_SCTP_CKSUM |
250                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
251         dev_info->speed_capa = ETH_LINK_SPEED_1G |
252                         ETH_LINK_SPEED_2_5G |
253                         ETH_LINK_SPEED_10G;
254 }
255
256 static int
257 dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
258 {
259         struct dpaa2_dev_priv *priv = dev->data->dev_private;
260         uint16_t dist_idx;
261         uint32_t vq_id;
262         struct dpaa2_queue *mc_q, *mcq;
263         uint32_t tot_queues;
264         int i;
265         struct dpaa2_queue *dpaa2_q;
266
267         PMD_INIT_FUNC_TRACE();
268
269         tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
270         mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
271                           RTE_CACHE_LINE_SIZE);
272         if (!mc_q) {
273                 PMD_INIT_LOG(ERR, "malloc failed for rx/tx queues\n");
274                 return -1;
275         }
276
277         for (i = 0; i < priv->nb_rx_queues; i++) {
278                 mc_q->dev = dev;
279                 priv->rx_vq[i] = mc_q++;
280                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
281                 dpaa2_q->q_storage = rte_malloc("dq_storage",
282                                         sizeof(struct queue_storage_info_t),
283                                         RTE_CACHE_LINE_SIZE);
284                 if (!dpaa2_q->q_storage)
285                         goto fail;
286
287                 memset(dpaa2_q->q_storage, 0,
288                        sizeof(struct queue_storage_info_t));
289                 if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
290                         goto fail;
291         }
292
293         for (i = 0; i < priv->nb_tx_queues; i++) {
294                 mc_q->dev = dev;
295                 mc_q->flow_id = 0xffff;
296                 priv->tx_vq[i] = mc_q++;
297                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
298                 dpaa2_q->cscn = rte_malloc(NULL,
299                                            sizeof(struct qbman_result), 16);
300                 if (!dpaa2_q->cscn)
301                         goto fail_tx;
302         }
303
304         vq_id = 0;
305         for (dist_idx = 0; dist_idx < priv->nb_rx_queues; dist_idx++) {
306                 mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
307                 mcq->tc_index = DPAA2_DEF_TC;
308                 mcq->flow_id = dist_idx;
309                 vq_id++;
310         }
311
312         return 0;
313 fail_tx:
314         i -= 1;
315         while (i >= 0) {
316                 dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
317                 rte_free(dpaa2_q->cscn);
318                 priv->tx_vq[i--] = NULL;
319         }
320         i = priv->nb_rx_queues;
321 fail:
322         i -= 1;
323         mc_q = priv->rx_vq[0];
324         while (i >= 0) {
325                 dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
326                 dpaa2_free_dq_storage(dpaa2_q->q_storage);
327                 rte_free(dpaa2_q->q_storage);
328                 priv->rx_vq[i--] = NULL;
329         }
330         rte_free(mc_q);
331         return -1;
332 }
333
334 static int
335 dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
336 {
337         struct dpaa2_dev_priv *priv = dev->data->dev_private;
338         struct fsl_mc_io *dpni = priv->hw;
339         struct rte_eth_conf *eth_conf = &dev->data->dev_conf;
340         int rx_ip_csum_offload = false;
341         int ret;
342
343         PMD_INIT_FUNC_TRACE();
344
345         if (eth_conf->rxmode.jumbo_frame == 1) {
346                 if (eth_conf->rxmode.max_rx_pkt_len <= DPAA2_MAX_RX_PKT_LEN) {
347                         ret = dpaa2_dev_mtu_set(dev,
348                                         eth_conf->rxmode.max_rx_pkt_len);
349                         if (ret) {
350                                 PMD_INIT_LOG(ERR,
351                                              "unable to set mtu. check config\n");
352                                 return ret;
353                         }
354                 } else {
355                         return -1;
356                 }
357         }
358
359         if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
360                 ret = dpaa2_setup_flow_dist(dev,
361                                 eth_conf->rx_adv_conf.rss_conf.rss_hf);
362                 if (ret) {
363                         PMD_INIT_LOG(ERR, "unable to set flow distribution."
364                                      "please check queue config\n");
365                         return ret;
366                 }
367         }
368
369         if (eth_conf->rxmode.hw_ip_checksum)
370                 rx_ip_csum_offload = true;
371
372         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
373                                DPNI_OFF_RX_L3_CSUM, rx_ip_csum_offload);
374         if (ret) {
375                 PMD_INIT_LOG(ERR, "Error to set RX l3 csum:Error = %d\n", ret);
376                 return ret;
377         }
378
379         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
380                                DPNI_OFF_RX_L4_CSUM, rx_ip_csum_offload);
381         if (ret) {
382                 PMD_INIT_LOG(ERR, "Error to get RX l4 csum:Error = %d\n", ret);
383                 return ret;
384         }
385
386         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
387                                DPNI_OFF_TX_L3_CSUM, true);
388         if (ret) {
389                 PMD_INIT_LOG(ERR, "Error to set TX l3 csum:Error = %d\n", ret);
390                 return ret;
391         }
392
393         ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
394                                DPNI_OFF_TX_L4_CSUM, true);
395         if (ret) {
396                 PMD_INIT_LOG(ERR, "Error to get TX l4 csum:Error = %d\n", ret);
397                 return ret;
398         }
399
400         /* update the current status */
401         dpaa2_dev_link_update(dev, 0);
402
403         return 0;
404 }
405
406 /* Function to setup RX flow information. It contains traffic class ID,
407  * flow ID, destination configuration etc.
408  */
409 static int
410 dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
411                          uint16_t rx_queue_id,
412                          uint16_t nb_rx_desc __rte_unused,
413                          unsigned int socket_id __rte_unused,
414                          const struct rte_eth_rxconf *rx_conf __rte_unused,
415                          struct rte_mempool *mb_pool)
416 {
417         struct dpaa2_dev_priv *priv = dev->data->dev_private;
418         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
419         struct mc_soc_version mc_plat_info = {0};
420         struct dpaa2_queue *dpaa2_q;
421         struct dpni_queue cfg;
422         uint8_t options = 0;
423         uint8_t flow_id;
424         uint32_t bpid;
425         int ret;
426
427         PMD_INIT_FUNC_TRACE();
428
429         PMD_DRV_LOG(DEBUG, "dev =%p, queue =%d, pool = %p, conf =%p",
430                     dev, rx_queue_id, mb_pool, rx_conf);
431
432         if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
433                 bpid = mempool_to_bpid(mb_pool);
434                 ret = dpaa2_attach_bp_list(priv,
435                                            rte_dpaa2_bpid_info[bpid].bp_list);
436                 if (ret)
437                         return ret;
438         }
439         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
440         dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
441
442         /*Get the flow id from given VQ id*/
443         flow_id = rx_queue_id % priv->nb_rx_queues;
444         memset(&cfg, 0, sizeof(struct dpni_queue));
445
446         options = options | DPNI_QUEUE_OPT_USER_CTX;
447         cfg.user_context = (uint64_t)(dpaa2_q);
448
449         /*if ls2088 or rev2 device, enable the stashing */
450
451         if (mc_get_soc_version(dpni, CMD_PRI_LOW, &mc_plat_info))
452                 PMD_INIT_LOG(ERR, "\tmc_get_soc_version failed\n");
453
454         if ((mc_plat_info.svr & 0xffff0000) != SVR_LS2080A) {
455                 options |= DPNI_QUEUE_OPT_FLC;
456                 cfg.flc.stash_control = true;
457                 cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
458                 /* 00 00 00 - last 6 bit represent annotation, context stashing,
459                  * data stashing setting 01 01 00 (0x14) to enable
460                  * 1 line data, 1 line annotation
461                  */
462                 cfg.flc.value |= 0x14;
463         }
464         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
465                              dpaa2_q->tc_index, flow_id, options, &cfg);
466         if (ret) {
467                 PMD_INIT_LOG(ERR, "Error in setting the rx flow: = %d\n", ret);
468                 return -1;
469         }
470
471         if (!(priv->flags & DPAA2_RX_TAILDROP_OFF)) {
472                 struct dpni_taildrop taildrop;
473
474                 taildrop.enable = 1;
475                 /*enabling per rx queue congestion control */
476                 taildrop.threshold = CONG_THRESHOLD_RX_Q;
477                 taildrop.units = DPNI_CONGESTION_UNIT_BYTES;
478                 taildrop.oal = CONG_RX_OAL;
479                 PMD_DRV_LOG(DEBUG, "Enabling Early Drop on queue = %d",
480                             rx_queue_id);
481                 ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
482                                         DPNI_CP_QUEUE, DPNI_QUEUE_RX,
483                                         dpaa2_q->tc_index, flow_id, &taildrop);
484                 if (ret) {
485                         PMD_INIT_LOG(ERR, "Error in setting the rx flow"
486                                      " err : = %d\n", ret);
487                         return -1;
488                 }
489         }
490
491         dev->data->rx_queues[rx_queue_id] = dpaa2_q;
492         return 0;
493 }
494
495 static int
496 dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
497                          uint16_t tx_queue_id,
498                          uint16_t nb_tx_desc __rte_unused,
499                          unsigned int socket_id __rte_unused,
500                          const struct rte_eth_txconf *tx_conf __rte_unused)
501 {
502         struct dpaa2_dev_priv *priv = dev->data->dev_private;
503         struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
504                 priv->tx_vq[tx_queue_id];
505         struct fsl_mc_io *dpni = priv->hw;
506         struct dpni_queue tx_conf_cfg;
507         struct dpni_queue tx_flow_cfg;
508         uint8_t options = 0, flow_id;
509         uint32_t tc_id;
510         int ret;
511
512         PMD_INIT_FUNC_TRACE();
513
514         /* Return if queue already configured */
515         if (dpaa2_q->flow_id != 0xffff)
516                 return 0;
517
518         memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
519         memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
520
521         tc_id = tx_queue_id;
522         flow_id = 0;
523
524         ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
525                              tc_id, flow_id, options, &tx_flow_cfg);
526         if (ret) {
527                 PMD_INIT_LOG(ERR, "Error in setting the tx flow: "
528                              "tc_id=%d, flow =%d ErrorCode = %x\n",
529                              tc_id, flow_id, -ret);
530                         return -1;
531         }
532
533         dpaa2_q->flow_id = flow_id;
534
535         if (tx_queue_id == 0) {
536                 /*Set tx-conf and error configuration*/
537                 ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
538                                                     priv->token,
539                                                     DPNI_CONF_DISABLE);
540                 if (ret) {
541                         PMD_INIT_LOG(ERR, "Error in set tx conf mode settings"
542                                      " ErrorCode = %x", ret);
543                         return -1;
544                 }
545         }
546         dpaa2_q->tc_index = tc_id;
547
548         if (!(priv->flags & DPAA2_TX_CGR_OFF)) {
549                 struct dpni_congestion_notification_cfg cong_notif_cfg;
550
551                 cong_notif_cfg.units = DPNI_CONGESTION_UNIT_FRAMES;
552                 cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
553                 /* Notify that the queue is not congested when the data in
554                  * the queue is below this thershold.
555                  */
556                 cong_notif_cfg.threshold_exit = CONG_EXIT_TX_THRESHOLD;
557                 cong_notif_cfg.message_ctx = 0;
558                 cong_notif_cfg.message_iova = (uint64_t)dpaa2_q->cscn;
559                 cong_notif_cfg.dest_cfg.dest_type = DPNI_DEST_NONE;
560                 cong_notif_cfg.notification_mode =
561                                          DPNI_CONG_OPT_WRITE_MEM_ON_ENTER |
562                                          DPNI_CONG_OPT_WRITE_MEM_ON_EXIT |
563                                          DPNI_CONG_OPT_COHERENT_WRITE;
564
565                 ret = dpni_set_congestion_notification(dpni, CMD_PRI_LOW,
566                                                        priv->token,
567                                                        DPNI_QUEUE_TX,
568                                                        tc_id,
569                                                        &cong_notif_cfg);
570                 if (ret) {
571                         PMD_INIT_LOG(ERR,
572                            "Error in setting tx congestion notification: = %d",
573                            -ret);
574                         return -ret;
575                 }
576         }
577         dev->data->tx_queues[tx_queue_id] = dpaa2_q;
578         return 0;
579 }
580
581 static void
582 dpaa2_dev_rx_queue_release(void *q __rte_unused)
583 {
584         PMD_INIT_FUNC_TRACE();
585 }
586
587 static void
588 dpaa2_dev_tx_queue_release(void *q __rte_unused)
589 {
590         PMD_INIT_FUNC_TRACE();
591 }
592
593 static const uint32_t *
594 dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
595 {
596         static const uint32_t ptypes[] = {
597                 /*todo -= add more types */
598                 RTE_PTYPE_L2_ETHER,
599                 RTE_PTYPE_L3_IPV4,
600                 RTE_PTYPE_L3_IPV4_EXT,
601                 RTE_PTYPE_L3_IPV6,
602                 RTE_PTYPE_L3_IPV6_EXT,
603                 RTE_PTYPE_L4_TCP,
604                 RTE_PTYPE_L4_UDP,
605                 RTE_PTYPE_L4_SCTP,
606                 RTE_PTYPE_L4_ICMP,
607                 RTE_PTYPE_UNKNOWN
608         };
609
610         if (dev->rx_pkt_burst == dpaa2_dev_prefetch_rx)
611                 return ptypes;
612         return NULL;
613 }
614
615 /**
616  * Dpaa2 link Interrupt handler
617  *
618  * @param param
619  *  The address of parameter (struct rte_eth_dev *) regsitered before.
620  *
621  * @return
622  *  void
623  */
624 static void
625 dpaa2_interrupt_handler(void *param)
626 {
627         struct rte_eth_dev *dev = param;
628         struct dpaa2_dev_priv *priv = dev->data->dev_private;
629         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
630         int ret;
631         int irq_index = DPNI_IRQ_INDEX;
632         unsigned int status = 0, clear = 0;
633
634         PMD_INIT_FUNC_TRACE();
635
636         if (dpni == NULL) {
637                 RTE_LOG(ERR, PMD, "dpni is NULL");
638                 return;
639         }
640
641         ret = dpni_get_irq_status(dpni, CMD_PRI_LOW, priv->token,
642                                   irq_index, &status);
643         if (unlikely(ret)) {
644                 RTE_LOG(ERR, PMD, "Can't get irq status (err %d)", ret);
645                 clear = 0xffffffff;
646                 goto out;
647         }
648
649         if (status & DPNI_IRQ_EVENT_LINK_CHANGED) {
650                 clear = DPNI_IRQ_EVENT_LINK_CHANGED;
651                 dpaa2_dev_link_update(dev, 0);
652                 /* calling all the apps registered for link status event */
653                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
654                                               NULL, NULL);
655         }
656 out:
657         ret = dpni_clear_irq_status(dpni, CMD_PRI_LOW, priv->token,
658                                     irq_index, clear);
659         if (unlikely(ret))
660                 RTE_LOG(ERR, PMD, "Can't clear irq status (err %d)", ret);
661 }
662
663 static int
664 dpaa2_eth_setup_irqs(struct rte_eth_dev *dev, int enable)
665 {
666         int err = 0;
667         struct dpaa2_dev_priv *priv = dev->data->dev_private;
668         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
669         int irq_index = DPNI_IRQ_INDEX;
670         unsigned int mask = DPNI_IRQ_EVENT_LINK_CHANGED;
671
672         PMD_INIT_FUNC_TRACE();
673
674         err = dpni_set_irq_mask(dpni, CMD_PRI_LOW, priv->token,
675                                 irq_index, mask);
676         if (err < 0) {
677                 PMD_INIT_LOG(ERR, "Error: dpni_set_irq_mask():%d (%s)", err,
678                              strerror(-err));
679                 return err;
680         }
681
682         err = dpni_set_irq_enable(dpni, CMD_PRI_LOW, priv->token,
683                                   irq_index, enable);
684         if (err < 0)
685                 PMD_INIT_LOG(ERR, "Error: dpni_set_irq_enable():%d (%s)", err,
686                              strerror(-err));
687
688         return err;
689 }
690
691 static int
692 dpaa2_dev_start(struct rte_eth_dev *dev)
693 {
694         struct rte_device *rdev = dev->device;
695         struct rte_dpaa2_device *dpaa2_dev;
696         struct rte_eth_dev_data *data = dev->data;
697         struct dpaa2_dev_priv *priv = data->dev_private;
698         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
699         struct dpni_queue cfg;
700         struct dpni_error_cfg   err_cfg;
701         uint16_t qdid;
702         struct dpni_queue_id qid;
703         struct dpaa2_queue *dpaa2_q;
704         int ret, i;
705         struct rte_intr_handle *intr_handle;
706
707         dpaa2_dev = container_of(rdev, struct rte_dpaa2_device, device);
708         intr_handle = &dpaa2_dev->intr_handle;
709
710         PMD_INIT_FUNC_TRACE();
711
712         ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
713         if (ret) {
714                 PMD_INIT_LOG(ERR, "Failure %d in enabling dpni %d device\n",
715                              ret, priv->hw_id);
716                 return ret;
717         }
718
719         /* Power up the phy. Needed to make the link go UP */
720         dpaa2_dev_set_link_up(dev);
721
722         ret = dpni_get_qdid(dpni, CMD_PRI_LOW, priv->token,
723                             DPNI_QUEUE_TX, &qdid);
724         if (ret) {
725                 PMD_INIT_LOG(ERR, "Error to get qdid:ErrorCode = %d\n", ret);
726                 return ret;
727         }
728         priv->qdid = qdid;
729
730         for (i = 0; i < data->nb_rx_queues; i++) {
731                 dpaa2_q = (struct dpaa2_queue *)data->rx_queues[i];
732                 ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
733                                      DPNI_QUEUE_RX, dpaa2_q->tc_index,
734                                        dpaa2_q->flow_id, &cfg, &qid);
735                 if (ret) {
736                         PMD_INIT_LOG(ERR, "Error to get flow "
737                                      "information Error code = %d\n", ret);
738                         return ret;
739                 }
740                 dpaa2_q->fqid = qid.fqid;
741         }
742
743         /*checksum errors, send them to normal path and set it in annotation */
744         err_cfg.errors = DPNI_ERROR_L3CE | DPNI_ERROR_L4CE;
745
746         err_cfg.error_action = DPNI_ERROR_ACTION_CONTINUE;
747         err_cfg.set_frame_annotation = true;
748
749         ret = dpni_set_errors_behavior(dpni, CMD_PRI_LOW,
750                                        priv->token, &err_cfg);
751         if (ret) {
752                 PMD_INIT_LOG(ERR, "Error to dpni_set_errors_behavior:"
753                              "code = %d\n", ret);
754                 return ret;
755         }
756         /* VLAN Offload Settings */
757         if (priv->max_vlan_filters)
758                 dpaa2_vlan_offload_set(dev, ETH_VLAN_FILTER_MASK);
759
760         /* if the interrupts were configured on this devices*/
761         if (intr_handle && (intr_handle->fd) &&
762             (dev->data->dev_conf.intr_conf.lsc != 0)) {
763                 /* Registering LSC interrupt handler */
764                 rte_intr_callback_register(intr_handle,
765                                            dpaa2_interrupt_handler,
766                                            (void *)dev);
767
768                 /* enable vfio intr/eventfd mapping
769                  * Interrupt index 0 is required, so we can not use
770                  * rte_intr_enable.
771                  */
772                 rte_dpaa2_intr_enable(intr_handle, DPNI_IRQ_INDEX);
773
774                 /* enable dpni_irqs */
775                 dpaa2_eth_setup_irqs(dev, 1);
776         }
777
778         return 0;
779 }
780
781 /**
782  *  This routine disables all traffic on the adapter by issuing a
783  *  global reset on the MAC.
784  */
785 static void
786 dpaa2_dev_stop(struct rte_eth_dev *dev)
787 {
788         struct dpaa2_dev_priv *priv = dev->data->dev_private;
789         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
790         int ret;
791         struct rte_eth_link link;
792         struct rte_intr_handle *intr_handle = dev->intr_handle;
793
794         PMD_INIT_FUNC_TRACE();
795
796         /* reset interrupt callback  */
797         if (intr_handle && (intr_handle->fd) &&
798             (dev->data->dev_conf.intr_conf.lsc != 0)) {
799                 /*disable dpni irqs */
800                 dpaa2_eth_setup_irqs(dev, 0);
801
802                 /* disable vfio intr before callback unregister */
803                 rte_dpaa2_intr_disable(intr_handle, DPNI_IRQ_INDEX);
804
805                 /* Unregistering LSC interrupt handler */
806                 rte_intr_callback_unregister(intr_handle,
807                                              dpaa2_interrupt_handler,
808                                              (void *)dev);
809         }
810
811         dpaa2_dev_set_link_down(dev);
812
813         ret = dpni_disable(dpni, CMD_PRI_LOW, priv->token);
814         if (ret) {
815                 PMD_INIT_LOG(ERR, "Failure (ret %d) in disabling dpni %d dev\n",
816                              ret, priv->hw_id);
817                 return;
818         }
819
820         /* clear the recorded link status */
821         memset(&link, 0, sizeof(link));
822         dpaa2_dev_atomic_write_link_status(dev, &link);
823 }
824
825 static void
826 dpaa2_dev_close(struct rte_eth_dev *dev)
827 {
828         struct rte_eth_dev_data *data = dev->data;
829         struct dpaa2_dev_priv *priv = dev->data->dev_private;
830         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
831         int i, ret;
832         struct rte_eth_link link;
833         struct dpaa2_queue *dpaa2_q;
834
835         PMD_INIT_FUNC_TRACE();
836
837         for (i = 0; i < data->nb_tx_queues; i++) {
838                 dpaa2_q = (struct dpaa2_queue *)data->tx_queues[i];
839                 if (!dpaa2_q->cscn) {
840                         rte_free(dpaa2_q->cscn);
841                         dpaa2_q->cscn = NULL;
842                 }
843         }
844
845         /* Clean the device first */
846         ret = dpni_reset(dpni, CMD_PRI_LOW, priv->token);
847         if (ret) {
848                 PMD_INIT_LOG(ERR, "Failure cleaning dpni device with"
849                              " error code %d\n", ret);
850                 return;
851         }
852
853         memset(&link, 0, sizeof(link));
854         dpaa2_dev_atomic_write_link_status(dev, &link);
855 }
856
857 static void
858 dpaa2_dev_promiscuous_enable(
859                 struct rte_eth_dev *dev)
860 {
861         int ret;
862         struct dpaa2_dev_priv *priv = dev->data->dev_private;
863         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
864
865         PMD_INIT_FUNC_TRACE();
866
867         if (dpni == NULL) {
868                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
869                 return;
870         }
871
872         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
873         if (ret < 0)
874                 RTE_LOG(ERR, PMD, "Unable to enable U promisc mode %d\n", ret);
875
876         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
877         if (ret < 0)
878                 RTE_LOG(ERR, PMD, "Unable to enable M promisc mode %d\n", ret);
879 }
880
881 static void
882 dpaa2_dev_promiscuous_disable(
883                 struct rte_eth_dev *dev)
884 {
885         int ret;
886         struct dpaa2_dev_priv *priv = dev->data->dev_private;
887         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
888
889         PMD_INIT_FUNC_TRACE();
890
891         if (dpni == NULL) {
892                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
893                 return;
894         }
895
896         ret = dpni_set_unicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
897         if (ret < 0)
898                 RTE_LOG(ERR, PMD, "Unable to disable U promisc mode %d\n", ret);
899
900         if (dev->data->all_multicast == 0) {
901                 ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW,
902                                                  priv->token, false);
903                 if (ret < 0)
904                         RTE_LOG(ERR, PMD,
905                                 "Unable to disable M promisc mode %d\n",
906                                 ret);
907         }
908 }
909
910 static void
911 dpaa2_dev_allmulticast_enable(
912                 struct rte_eth_dev *dev)
913 {
914         int ret;
915         struct dpaa2_dev_priv *priv = dev->data->dev_private;
916         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
917
918         PMD_INIT_FUNC_TRACE();
919
920         if (dpni == NULL) {
921                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
922                 return;
923         }
924
925         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, true);
926         if (ret < 0)
927                 RTE_LOG(ERR, PMD, "Unable to enable multicast mode %d\n", ret);
928 }
929
930 static void
931 dpaa2_dev_allmulticast_disable(struct rte_eth_dev *dev)
932 {
933         int ret;
934         struct dpaa2_dev_priv *priv = dev->data->dev_private;
935         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
936
937         PMD_INIT_FUNC_TRACE();
938
939         if (dpni == NULL) {
940                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
941                 return;
942         }
943
944         /* must remain on for all promiscuous */
945         if (dev->data->promiscuous == 1)
946                 return;
947
948         ret = dpni_set_multicast_promisc(dpni, CMD_PRI_LOW, priv->token, false);
949         if (ret < 0)
950                 RTE_LOG(ERR, PMD, "Unable to disable multicast mode %d\n", ret);
951 }
952
953 static int
954 dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
955 {
956         int ret;
957         struct dpaa2_dev_priv *priv = dev->data->dev_private;
958         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
959         uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
960
961         PMD_INIT_FUNC_TRACE();
962
963         if (dpni == NULL) {
964                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
965                 return -EINVAL;
966         }
967
968         /* check that mtu is within the allowed range */
969         if ((mtu < ETHER_MIN_MTU) || (frame_size > DPAA2_MAX_RX_PKT_LEN))
970                 return -EINVAL;
971
972         if (frame_size > ETHER_MAX_LEN)
973                 dev->data->dev_conf.rxmode.jumbo_frame = 1;
974         else
975                 dev->data->dev_conf.rxmode.jumbo_frame = 0;
976
977         /* Set the Max Rx frame length as 'mtu' +
978          * Maximum Ethernet header length
979          */
980         ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW, priv->token,
981                                         mtu + ETH_VLAN_HLEN);
982         if (ret) {
983                 PMD_DRV_LOG(ERR, "setting the max frame length failed");
984                 return -1;
985         }
986         PMD_DRV_LOG(INFO, "MTU is configured %d for the device", mtu);
987         return 0;
988 }
989
990 static int
991 dpaa2_dev_add_mac_addr(struct rte_eth_dev *dev,
992                        struct ether_addr *addr,
993                        __rte_unused uint32_t index,
994                        __rte_unused uint32_t pool)
995 {
996         int ret;
997         struct dpaa2_dev_priv *priv = dev->data->dev_private;
998         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
999
1000         PMD_INIT_FUNC_TRACE();
1001
1002         if (dpni == NULL) {
1003                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1004                 return -1;
1005         }
1006
1007         ret = dpni_add_mac_addr(dpni, CMD_PRI_LOW,
1008                                 priv->token, addr->addr_bytes);
1009         if (ret)
1010                 RTE_LOG(ERR, PMD,
1011                         "error: Adding the MAC ADDR failed: err = %d\n", ret);
1012         return 0;
1013 }
1014
1015 static void
1016 dpaa2_dev_remove_mac_addr(struct rte_eth_dev *dev,
1017                           uint32_t index)
1018 {
1019         int ret;
1020         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1021         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1022         struct rte_eth_dev_data *data = dev->data;
1023         struct ether_addr *macaddr;
1024
1025         PMD_INIT_FUNC_TRACE();
1026
1027         macaddr = &data->mac_addrs[index];
1028
1029         if (dpni == NULL) {
1030                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1031                 return;
1032         }
1033
1034         ret = dpni_remove_mac_addr(dpni, CMD_PRI_LOW,
1035                                    priv->token, macaddr->addr_bytes);
1036         if (ret)
1037                 RTE_LOG(ERR, PMD,
1038                         "error: Removing the MAC ADDR failed: err = %d\n", ret);
1039 }
1040
1041 static void
1042 dpaa2_dev_set_mac_addr(struct rte_eth_dev *dev,
1043                        struct ether_addr *addr)
1044 {
1045         int ret;
1046         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1047         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1048
1049         PMD_INIT_FUNC_TRACE();
1050
1051         if (dpni == NULL) {
1052                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1053                 return;
1054         }
1055
1056         ret = dpni_set_primary_mac_addr(dpni, CMD_PRI_LOW,
1057                                         priv->token, addr->addr_bytes);
1058
1059         if (ret)
1060                 RTE_LOG(ERR, PMD,
1061                         "error: Setting the MAC ADDR failed %d\n", ret);
1062 }
1063 static
1064 void dpaa2_dev_stats_get(struct rte_eth_dev *dev,
1065                          struct rte_eth_stats *stats)
1066 {
1067         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1068         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1069         int32_t  retcode;
1070         uint8_t page0 = 0, page1 = 1, page2 = 2;
1071         union dpni_statistics value;
1072
1073         memset(&value, 0, sizeof(union dpni_statistics));
1074
1075         PMD_INIT_FUNC_TRACE();
1076
1077         if (!dpni) {
1078                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1079                 return;
1080         }
1081
1082         if (!stats) {
1083                 RTE_LOG(ERR, PMD, "stats is NULL\n");
1084                 return;
1085         }
1086
1087         /*Get Counters from page_0*/
1088         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1089                                       page0, 0, &value);
1090         if (retcode)
1091                 goto err;
1092
1093         stats->ipackets = value.page_0.ingress_all_frames;
1094         stats->ibytes = value.page_0.ingress_all_bytes;
1095
1096         /*Get Counters from page_1*/
1097         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1098                                       page1, 0, &value);
1099         if (retcode)
1100                 goto err;
1101
1102         stats->opackets = value.page_1.egress_all_frames;
1103         stats->obytes = value.page_1.egress_all_bytes;
1104
1105         /*Get Counters from page_2*/
1106         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1107                                       page2, 0, &value);
1108         if (retcode)
1109                 goto err;
1110
1111         /* Ingress drop frame count due to configured rules */
1112         stats->ierrors = value.page_2.ingress_filtered_frames;
1113         /* Ingress drop frame count due to error */
1114         stats->ierrors += value.page_2.ingress_discarded_frames;
1115
1116         stats->oerrors = value.page_2.egress_discarded_frames;
1117         stats->imissed = value.page_2.ingress_nobuffer_discards;
1118
1119         return;
1120
1121 err:
1122         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
1123         return;
1124 };
1125
1126 static int
1127 dpaa2_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1128                      unsigned int n)
1129 {
1130         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1131         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1132         int32_t  retcode;
1133         union dpni_statistics value[3] = {};
1134         unsigned int i = 0, num = RTE_DIM(dpaa2_xstats_strings);
1135
1136         if (xstats == NULL)
1137                 return 0;
1138
1139         if (n < num)
1140                 return num;
1141
1142         /* Get Counters from page_0*/
1143         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1144                                       0, 0, &value[0]);
1145         if (retcode)
1146                 goto err;
1147
1148         /* Get Counters from page_1*/
1149         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1150                                       1, 0, &value[1]);
1151         if (retcode)
1152                 goto err;
1153
1154         /* Get Counters from page_2*/
1155         retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1156                                       2, 0, &value[2]);
1157         if (retcode)
1158                 goto err;
1159
1160         for (i = 0; i < num; i++) {
1161                 xstats[i].id = i;
1162                 xstats[i].value = value[dpaa2_xstats_strings[i].page_id].
1163                         raw.counter[dpaa2_xstats_strings[i].stats_id];
1164         }
1165         return i;
1166 err:
1167         RTE_LOG(ERR, PMD, "Error in obtaining extended stats (%d)\n", retcode);
1168         return retcode;
1169 }
1170
1171 static int
1172 dpaa2_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1173                        struct rte_eth_xstat_name *xstats_names,
1174                        __rte_unused unsigned int limit)
1175 {
1176         unsigned int i, stat_cnt = RTE_DIM(dpaa2_xstats_strings);
1177
1178         if (xstats_names != NULL)
1179                 for (i = 0; i < stat_cnt; i++)
1180                         snprintf(xstats_names[i].name,
1181                                  sizeof(xstats_names[i].name),
1182                                  "%s",
1183                                  dpaa2_xstats_strings[i].name);
1184
1185         return stat_cnt;
1186 }
1187
1188 static int
1189 dpaa2_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
1190                        uint64_t *values, unsigned int n)
1191 {
1192         unsigned int i, stat_cnt = RTE_DIM(dpaa2_xstats_strings);
1193         uint64_t values_copy[stat_cnt];
1194
1195         if (!ids) {
1196                 struct dpaa2_dev_priv *priv = dev->data->dev_private;
1197                 struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1198                 int32_t  retcode;
1199                 union dpni_statistics value[3] = {};
1200
1201                 if (n < stat_cnt)
1202                         return stat_cnt;
1203
1204                 if (!values)
1205                         return 0;
1206
1207                 /* Get Counters from page_0*/
1208                 retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1209                                               0, 0, &value[0]);
1210                 if (retcode)
1211                         return 0;
1212
1213                 /* Get Counters from page_1*/
1214                 retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1215                                               1, 0, &value[1]);
1216                 if (retcode)
1217                         return 0;
1218
1219                 /* Get Counters from page_2*/
1220                 retcode = dpni_get_statistics(dpni, CMD_PRI_LOW, priv->token,
1221                                               2, 0, &value[2]);
1222                 if (retcode)
1223                         return 0;
1224
1225                 for (i = 0; i < stat_cnt; i++) {
1226                         values[i] = value[dpaa2_xstats_strings[i].page_id].
1227                                 raw.counter[dpaa2_xstats_strings[i].stats_id];
1228                 }
1229                 return stat_cnt;
1230         }
1231
1232         dpaa2_xstats_get_by_id(dev, NULL, values_copy, stat_cnt);
1233
1234         for (i = 0; i < n; i++) {
1235                 if (ids[i] >= stat_cnt) {
1236                         PMD_INIT_LOG(ERR, "id value isn't valid");
1237                         return -1;
1238                 }
1239                 values[i] = values_copy[ids[i]];
1240         }
1241         return n;
1242 }
1243
1244 static int
1245 dpaa2_xstats_get_names_by_id(
1246         struct rte_eth_dev *dev,
1247         struct rte_eth_xstat_name *xstats_names,
1248         const uint64_t *ids,
1249         unsigned int limit)
1250 {
1251         unsigned int i, stat_cnt = RTE_DIM(dpaa2_xstats_strings);
1252         struct rte_eth_xstat_name xstats_names_copy[stat_cnt];
1253
1254         if (!ids)
1255                 return dpaa2_xstats_get_names(dev, xstats_names, limit);
1256
1257         dpaa2_xstats_get_names(dev, xstats_names_copy, limit);
1258
1259         for (i = 0; i < limit; i++) {
1260                 if (ids[i] >= stat_cnt) {
1261                         PMD_INIT_LOG(ERR, "id value isn't valid");
1262                         return -1;
1263                 }
1264                 strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
1265         }
1266         return limit;
1267 }
1268
1269 static void
1270 dpaa2_dev_stats_reset(struct rte_eth_dev *dev)
1271 {
1272         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1273         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1274         int32_t  retcode;
1275
1276         PMD_INIT_FUNC_TRACE();
1277
1278         if (dpni == NULL) {
1279                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1280                 return;
1281         }
1282
1283         retcode =  dpni_reset_statistics(dpni, CMD_PRI_LOW, priv->token);
1284         if (retcode)
1285                 goto error;
1286
1287         return;
1288
1289 error:
1290         RTE_LOG(ERR, PMD, "Operation not completed:Error Code = %d\n", retcode);
1291         return;
1292 };
1293
1294 /* return 0 means link status changed, -1 means not changed */
1295 static int
1296 dpaa2_dev_link_update(struct rte_eth_dev *dev,
1297                         int wait_to_complete __rte_unused)
1298 {
1299         int ret;
1300         struct dpaa2_dev_priv *priv = dev->data->dev_private;
1301         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1302         struct rte_eth_link link, old;
1303         struct dpni_link_state state = {0};
1304
1305         if (dpni == NULL) {
1306                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1307                 return 0;
1308         }
1309         memset(&old, 0, sizeof(old));
1310         dpaa2_dev_atomic_read_link_status(dev, &old);
1311
1312         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1313         if (ret < 0) {
1314                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d\n", ret);
1315                 return -1;
1316         }
1317
1318         if ((old.link_status == state.up) && (old.link_speed == state.rate)) {
1319                 RTE_LOG(DEBUG, PMD, "No change in status\n");
1320                 return -1;
1321         }
1322
1323         memset(&link, 0, sizeof(struct rte_eth_link));
1324         link.link_status = state.up;
1325         link.link_speed = state.rate;
1326
1327         if (state.options & DPNI_LINK_OPT_HALF_DUPLEX)
1328                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
1329         else
1330                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
1331
1332         dpaa2_dev_atomic_write_link_status(dev, &link);
1333
1334         if (link.link_status)
1335                 PMD_DRV_LOG(INFO, "Port %d Link is Up\n", dev->data->port_id);
1336         else
1337                 PMD_DRV_LOG(INFO, "Port %d Link is Down", dev->data->port_id);
1338         return 0;
1339 }
1340
1341 /**
1342  * Toggle the DPNI to enable, if not already enabled.
1343  * This is not strictly PHY up/down - it is more of logical toggling.
1344  */
1345 static int
1346 dpaa2_dev_set_link_up(struct rte_eth_dev *dev)
1347 {
1348         int ret = -EINVAL;
1349         struct dpaa2_dev_priv *priv;
1350         struct fsl_mc_io *dpni;
1351         int en = 0;
1352         struct dpni_link_state state = {0};
1353
1354         priv = dev->data->dev_private;
1355         dpni = (struct fsl_mc_io *)priv->hw;
1356
1357         if (dpni == NULL) {
1358                 RTE_LOG(ERR, PMD, "DPNI is NULL\n");
1359                 return ret;
1360         }
1361
1362         /* Check if DPNI is currently enabled */
1363         ret = dpni_is_enabled(dpni, CMD_PRI_LOW, priv->token, &en);
1364         if (ret) {
1365                 /* Unable to obtain dpni status; Not continuing */
1366                 PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1367                 return -EINVAL;
1368         }
1369
1370         /* Enable link if not already enabled */
1371         if (!en) {
1372                 ret = dpni_enable(dpni, CMD_PRI_LOW, priv->token);
1373                 if (ret) {
1374                         PMD_DRV_LOG(ERR, "Interface Link UP failed (%d)", ret);
1375                         return -EINVAL;
1376                 }
1377         }
1378         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1379         if (ret < 0) {
1380                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d\n", ret);
1381                 return -1;
1382         }
1383
1384         /* changing tx burst function to start enqueues */
1385         dev->tx_pkt_burst = dpaa2_dev_tx;
1386         dev->data->dev_link.link_status = state.up;
1387
1388         if (state.up)
1389                 PMD_DRV_LOG(INFO, "Port %d Link is set as UP",
1390                             dev->data->port_id);
1391         else
1392                 PMD_DRV_LOG(INFO, "Port %d Link is DOWN", dev->data->port_id);
1393         return ret;
1394 }
1395
1396 /**
1397  * Toggle the DPNI to disable, if not already disabled.
1398  * This is not strictly PHY up/down - it is more of logical toggling.
1399  */
1400 static int
1401 dpaa2_dev_set_link_down(struct rte_eth_dev *dev)
1402 {
1403         int ret = -EINVAL;
1404         struct dpaa2_dev_priv *priv;
1405         struct fsl_mc_io *dpni;
1406         int dpni_enabled = 0;
1407         int retries = 10;
1408
1409         PMD_INIT_FUNC_TRACE();
1410
1411         priv = dev->data->dev_private;
1412         dpni = (struct fsl_mc_io *)priv->hw;
1413
1414         if (dpni == NULL) {
1415                 RTE_LOG(ERR, PMD, "Device has not yet been configured\n");
1416                 return ret;
1417         }
1418
1419         /*changing  tx burst function to avoid any more enqueues */
1420         dev->tx_pkt_burst = dummy_dev_tx;
1421
1422         /* Loop while dpni_disable() attempts to drain the egress FQs
1423          * and confirm them back to us.
1424          */
1425         do {
1426                 ret = dpni_disable(dpni, 0, priv->token);
1427                 if (ret) {
1428                         PMD_DRV_LOG(ERR, "dpni disable failed (%d)", ret);
1429                         return ret;
1430                 }
1431                 ret = dpni_is_enabled(dpni, 0, priv->token, &dpni_enabled);
1432                 if (ret) {
1433                         PMD_DRV_LOG(ERR, "dpni_is_enabled failed (%d)", ret);
1434                         return ret;
1435                 }
1436                 if (dpni_enabled)
1437                         /* Allow the MC some slack */
1438                         rte_delay_us(100 * 1000);
1439         } while (dpni_enabled && --retries);
1440
1441         if (!retries) {
1442                 PMD_DRV_LOG(WARNING, "Retry count exceeded disabling DPNI\n");
1443                 /* todo- we may have to manually cleanup queues.
1444                  */
1445         } else {
1446                 PMD_DRV_LOG(INFO, "Port %d Link DOWN successful",
1447                             dev->data->port_id);
1448         }
1449
1450         dev->data->dev_link.link_status = 0;
1451
1452         return ret;
1453 }
1454
1455 static int
1456 dpaa2_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1457 {
1458         int ret = -EINVAL;
1459         struct dpaa2_dev_priv *priv;
1460         struct fsl_mc_io *dpni;
1461         struct dpni_link_state state = {0};
1462
1463         PMD_INIT_FUNC_TRACE();
1464
1465         priv = dev->data->dev_private;
1466         dpni = (struct fsl_mc_io *)priv->hw;
1467
1468         if (dpni == NULL || fc_conf == NULL) {
1469                 RTE_LOG(ERR, PMD, "device not configured\n");
1470                 return ret;
1471         }
1472
1473         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1474         if (ret) {
1475                 RTE_LOG(ERR, PMD, "error: dpni_get_link_state %d\n", ret);
1476                 return ret;
1477         }
1478
1479         memset(fc_conf, 0, sizeof(struct rte_eth_fc_conf));
1480         if (state.options & DPNI_LINK_OPT_PAUSE) {
1481                 /* DPNI_LINK_OPT_PAUSE set
1482                  *  if ASYM_PAUSE not set,
1483                  *      RX Side flow control (handle received Pause frame)
1484                  *      TX side flow control (send Pause frame)
1485                  *  if ASYM_PAUSE set,
1486                  *      RX Side flow control (handle received Pause frame)
1487                  *      No TX side flow control (send Pause frame disabled)
1488                  */
1489                 if (!(state.options & DPNI_LINK_OPT_ASYM_PAUSE))
1490                         fc_conf->mode = RTE_FC_FULL;
1491                 else
1492                         fc_conf->mode = RTE_FC_RX_PAUSE;
1493         } else {
1494                 /* DPNI_LINK_OPT_PAUSE not set
1495                  *  if ASYM_PAUSE set,
1496                  *      TX side flow control (send Pause frame)
1497                  *      No RX side flow control (No action on pause frame rx)
1498                  *  if ASYM_PAUSE not set,
1499                  *      Flow control disabled
1500                  */
1501                 if (state.options & DPNI_LINK_OPT_ASYM_PAUSE)
1502                         fc_conf->mode = RTE_FC_TX_PAUSE;
1503                 else
1504                         fc_conf->mode = RTE_FC_NONE;
1505         }
1506
1507         return ret;
1508 }
1509
1510 static int
1511 dpaa2_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1512 {
1513         int ret = -EINVAL;
1514         struct dpaa2_dev_priv *priv;
1515         struct fsl_mc_io *dpni;
1516         struct dpni_link_state state = {0};
1517         struct dpni_link_cfg cfg = {0};
1518
1519         PMD_INIT_FUNC_TRACE();
1520
1521         priv = dev->data->dev_private;
1522         dpni = (struct fsl_mc_io *)priv->hw;
1523
1524         if (dpni == NULL) {
1525                 RTE_LOG(ERR, PMD, "dpni is NULL\n");
1526                 return ret;
1527         }
1528
1529         /* It is necessary to obtain the current state before setting fc_conf
1530          * as MC would return error in case rate, autoneg or duplex values are
1531          * different.
1532          */
1533         ret = dpni_get_link_state(dpni, CMD_PRI_LOW, priv->token, &state);
1534         if (ret) {
1535                 RTE_LOG(ERR, PMD, "Unable to get link state (err=%d)\n", ret);
1536                 return -1;
1537         }
1538
1539         /* Disable link before setting configuration */
1540         dpaa2_dev_set_link_down(dev);
1541
1542         /* Based on fc_conf, update cfg */
1543         cfg.rate = state.rate;
1544         cfg.options = state.options;
1545
1546         /* update cfg with fc_conf */
1547         switch (fc_conf->mode) {
1548         case RTE_FC_FULL:
1549                 /* Full flow control;
1550                  * OPT_PAUSE set, ASYM_PAUSE not set
1551                  */
1552                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1553                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1554                 break;
1555         case RTE_FC_TX_PAUSE:
1556                 /* Enable RX flow control
1557                  * OPT_PAUSE not set;
1558                  * ASYM_PAUSE set;
1559                  */
1560                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1561                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1562                 break;
1563         case RTE_FC_RX_PAUSE:
1564                 /* Enable TX Flow control
1565                  * OPT_PAUSE set
1566                  * ASYM_PAUSE set
1567                  */
1568                 cfg.options |= DPNI_LINK_OPT_PAUSE;
1569                 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE;
1570                 break;
1571         case RTE_FC_NONE:
1572                 /* Disable Flow control
1573                  * OPT_PAUSE not set
1574                  * ASYM_PAUSE not set
1575                  */
1576                 cfg.options &= ~DPNI_LINK_OPT_PAUSE;
1577                 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE;
1578                 break;
1579         default:
1580                 RTE_LOG(ERR, PMD, "Incorrect Flow control flag (%d)\n",
1581                         fc_conf->mode);
1582                 return -1;
1583         }
1584
1585         ret = dpni_set_link_cfg(dpni, CMD_PRI_LOW, priv->token, &cfg);
1586         if (ret)
1587                 RTE_LOG(ERR, PMD,
1588                         "Unable to set Link configuration (err=%d)\n",
1589                         ret);
1590
1591         /* Enable link */
1592         dpaa2_dev_set_link_up(dev);
1593
1594         return ret;
1595 }
1596
1597 static int
1598 dpaa2_dev_rss_hash_update(struct rte_eth_dev *dev,
1599                           struct rte_eth_rss_conf *rss_conf)
1600 {
1601         struct rte_eth_dev_data *data = dev->data;
1602         struct rte_eth_conf *eth_conf = &data->dev_conf;
1603         int ret;
1604
1605         PMD_INIT_FUNC_TRACE();
1606
1607         if (rss_conf->rss_hf) {
1608                 ret = dpaa2_setup_flow_dist(dev, rss_conf->rss_hf);
1609                 if (ret) {
1610                         PMD_INIT_LOG(ERR, "unable to set flow dist");
1611                         return ret;
1612                 }
1613         } else {
1614                 ret = dpaa2_remove_flow_dist(dev, 0);
1615                 if (ret) {
1616                         PMD_INIT_LOG(ERR, "unable to remove flow dist");
1617                         return ret;
1618                 }
1619         }
1620         eth_conf->rx_adv_conf.rss_conf.rss_hf = rss_conf->rss_hf;
1621         return 0;
1622 }
1623
1624 static int
1625 dpaa2_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1626                             struct rte_eth_rss_conf *rss_conf)
1627 {
1628         struct rte_eth_dev_data *data = dev->data;
1629         struct rte_eth_conf *eth_conf = &data->dev_conf;
1630
1631         /* dpaa2 does not support rss_key, so length should be 0*/
1632         rss_conf->rss_key_len = 0;
1633         rss_conf->rss_hf = eth_conf->rx_adv_conf.rss_conf.rss_hf;
1634         return 0;
1635 }
1636
1637 static struct eth_dev_ops dpaa2_ethdev_ops = {
1638         .dev_configure    = dpaa2_eth_dev_configure,
1639         .dev_start            = dpaa2_dev_start,
1640         .dev_stop             = dpaa2_dev_stop,
1641         .dev_close            = dpaa2_dev_close,
1642         .promiscuous_enable   = dpaa2_dev_promiscuous_enable,
1643         .promiscuous_disable  = dpaa2_dev_promiscuous_disable,
1644         .allmulticast_enable  = dpaa2_dev_allmulticast_enable,
1645         .allmulticast_disable = dpaa2_dev_allmulticast_disable,
1646         .dev_set_link_up      = dpaa2_dev_set_link_up,
1647         .dev_set_link_down    = dpaa2_dev_set_link_down,
1648         .link_update       = dpaa2_dev_link_update,
1649         .stats_get             = dpaa2_dev_stats_get,
1650         .xstats_get            = dpaa2_dev_xstats_get,
1651         .xstats_get_by_id     = dpaa2_xstats_get_by_id,
1652         .xstats_get_names_by_id = dpaa2_xstats_get_names_by_id,
1653         .xstats_get_names      = dpaa2_xstats_get_names,
1654         .stats_reset       = dpaa2_dev_stats_reset,
1655         .xstats_reset         = dpaa2_dev_stats_reset,
1656         .fw_version_get    = dpaa2_fw_version_get,
1657         .dev_infos_get     = dpaa2_dev_info_get,
1658         .dev_supported_ptypes_get = dpaa2_supported_ptypes_get,
1659         .mtu_set           = dpaa2_dev_mtu_set,
1660         .vlan_filter_set      = dpaa2_vlan_filter_set,
1661         .vlan_offload_set     = dpaa2_vlan_offload_set,
1662         .rx_queue_setup    = dpaa2_dev_rx_queue_setup,
1663         .rx_queue_release  = dpaa2_dev_rx_queue_release,
1664         .tx_queue_setup    = dpaa2_dev_tx_queue_setup,
1665         .tx_queue_release  = dpaa2_dev_tx_queue_release,
1666         .flow_ctrl_get        = dpaa2_flow_ctrl_get,
1667         .flow_ctrl_set        = dpaa2_flow_ctrl_set,
1668         .mac_addr_add         = dpaa2_dev_add_mac_addr,
1669         .mac_addr_remove      = dpaa2_dev_remove_mac_addr,
1670         .mac_addr_set         = dpaa2_dev_set_mac_addr,
1671         .rss_hash_update      = dpaa2_dev_rss_hash_update,
1672         .rss_hash_conf_get    = dpaa2_dev_rss_hash_conf_get,
1673 };
1674
1675 static int
1676 dpaa2_dev_init(struct rte_eth_dev *eth_dev)
1677 {
1678         struct rte_device *dev = eth_dev->device;
1679         struct rte_dpaa2_device *dpaa2_dev;
1680         struct fsl_mc_io *dpni_dev;
1681         struct dpni_attr attr;
1682         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1683         struct dpni_buffer_layout layout;
1684         int ret, hw_id;
1685
1686         PMD_INIT_FUNC_TRACE();
1687
1688         /* For secondary processes, the primary has done all the work */
1689         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1690                 return 0;
1691
1692         dpaa2_dev = container_of(dev, struct rte_dpaa2_device, device);
1693
1694         hw_id = dpaa2_dev->object_id;
1695
1696         dpni_dev = rte_malloc(NULL, sizeof(struct fsl_mc_io), 0);
1697         if (!dpni_dev) {
1698                 PMD_INIT_LOG(ERR, "malloc failed for dpni device\n");
1699                 return -1;
1700         }
1701
1702         dpni_dev->regs = rte_mcp_ptr_list[0];
1703         ret = dpni_open(dpni_dev, CMD_PRI_LOW, hw_id, &priv->token);
1704         if (ret) {
1705                 PMD_INIT_LOG(ERR,
1706                              "Failure in opening dpni@%d with err code %d\n",
1707                              hw_id, ret);
1708                 rte_free(dpni_dev);
1709                 return -1;
1710         }
1711
1712         /* Clean the device first */
1713         ret = dpni_reset(dpni_dev, CMD_PRI_LOW, priv->token);
1714         if (ret) {
1715                 PMD_INIT_LOG(ERR,
1716                              "Failure cleaning dpni@%d with err code %d\n",
1717                              hw_id, ret);
1718                 goto init_err;
1719         }
1720
1721         ret = dpni_get_attributes(dpni_dev, CMD_PRI_LOW, priv->token, &attr);
1722         if (ret) {
1723                 PMD_INIT_LOG(ERR,
1724                              "Failure in get dpni@%d attribute, err code %d\n",
1725                              hw_id, ret);
1726                 goto init_err;
1727         }
1728
1729         priv->num_rx_tc = attr.num_rx_tcs;
1730
1731         /* Resetting the "num_rx_queues" to equal number of queues in first TC
1732          * as only one TC is supported on Rx Side. Once Multiple TCs will be
1733          * in use for Rx processing then this will be changed or removed.
1734          */
1735         priv->nb_rx_queues = attr.num_queues;
1736
1737         /* Using number of TX queues as number of TX TCs */
1738         priv->nb_tx_queues = attr.num_tx_tcs;
1739
1740         PMD_DRV_LOG(DEBUG, "RX-TC= %d, nb_rx_queues= %d, nb_tx_queues=%d",
1741                     priv->num_rx_tc, priv->nb_rx_queues, priv->nb_tx_queues);
1742
1743         priv->hw = dpni_dev;
1744         priv->hw_id = hw_id;
1745         priv->options = attr.options;
1746         priv->max_mac_filters = attr.mac_filter_entries;
1747         priv->max_vlan_filters = attr.vlan_filter_entries;
1748         priv->flags = 0;
1749
1750         /* Allocate memory for hardware structure for queues */
1751         ret = dpaa2_alloc_rx_tx_queues(eth_dev);
1752         if (ret) {
1753                 PMD_INIT_LOG(ERR, "dpaa2_alloc_rx_tx_queuesFailed\n");
1754                 goto init_err;
1755         }
1756
1757         /* Allocate memory for storing MAC addresses */
1758         eth_dev->data->mac_addrs = rte_zmalloc("dpni",
1759                 ETHER_ADDR_LEN * attr.mac_filter_entries, 0);
1760         if (eth_dev->data->mac_addrs == NULL) {
1761                 PMD_INIT_LOG(ERR,
1762                    "Failed to allocate %d bytes needed to store MAC addresses",
1763                              ETHER_ADDR_LEN * attr.mac_filter_entries);
1764                 ret = -ENOMEM;
1765                 goto init_err;
1766         }
1767
1768         ret = dpni_get_primary_mac_addr(dpni_dev, CMD_PRI_LOW,
1769                                         priv->token,
1770                         (uint8_t *)(eth_dev->data->mac_addrs[0].addr_bytes));
1771         if (ret) {
1772                 PMD_INIT_LOG(ERR, "DPNI get mac address failed:Err Code = %d\n",
1773                              ret);
1774                 goto init_err;
1775         }
1776
1777         /* ... tx buffer layout ... */
1778         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1779         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1780         layout.pass_frame_status = 1;
1781         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1782                                      DPNI_QUEUE_TX, &layout);
1783         if (ret) {
1784                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx buffer layout",
1785                              ret);
1786                 goto init_err;
1787         }
1788
1789         /* ... tx-conf and error buffer layout ... */
1790         memset(&layout, 0, sizeof(struct dpni_buffer_layout));
1791         layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS;
1792         layout.pass_frame_status = 1;
1793         ret = dpni_set_buffer_layout(dpni_dev, CMD_PRI_LOW, priv->token,
1794                                      DPNI_QUEUE_TX_CONFIRM, &layout);
1795         if (ret) {
1796                 PMD_INIT_LOG(ERR, "Error (%d) in setting tx-conf buffer layout",
1797                              ret);
1798                 goto init_err;
1799         }
1800
1801         eth_dev->dev_ops = &dpaa2_ethdev_ops;
1802         eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
1803
1804         eth_dev->rx_pkt_burst = dpaa2_dev_prefetch_rx;
1805         eth_dev->tx_pkt_burst = dpaa2_dev_tx;
1806         rte_fslmc_vfio_dmamap();
1807
1808         RTE_LOG(INFO, PMD, "%s: netdev created\n", eth_dev->data->name);
1809         return 0;
1810 init_err:
1811         dpaa2_dev_uninit(eth_dev);
1812         return ret;
1813 }
1814
1815 static int
1816 dpaa2_dev_uninit(struct rte_eth_dev *eth_dev)
1817 {
1818         struct dpaa2_dev_priv *priv = eth_dev->data->dev_private;
1819         struct fsl_mc_io *dpni = (struct fsl_mc_io *)priv->hw;
1820         int i, ret;
1821         struct dpaa2_queue *dpaa2_q;
1822
1823         PMD_INIT_FUNC_TRACE();
1824
1825         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1826                 return 0;
1827
1828         if (!dpni) {
1829                 PMD_INIT_LOG(WARNING, "Already closed or not started");
1830                 return -1;
1831         }
1832
1833         dpaa2_dev_close(eth_dev);
1834
1835         if (priv->rx_vq[0]) {
1836                 /* cleaning up queue storage */
1837                 for (i = 0; i < priv->nb_rx_queues; i++) {
1838                         dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
1839                         if (dpaa2_q->q_storage)
1840                                 rte_free(dpaa2_q->q_storage);
1841                 }
1842                 /*free the all queue memory */
1843                 rte_free(priv->rx_vq[0]);
1844                 priv->rx_vq[0] = NULL;
1845         }
1846
1847         /* free memory for storing MAC addresses */
1848         if (eth_dev->data->mac_addrs) {
1849                 rte_free(eth_dev->data->mac_addrs);
1850                 eth_dev->data->mac_addrs = NULL;
1851         }
1852
1853         /* Close the device at underlying layer*/
1854         ret = dpni_close(dpni, CMD_PRI_LOW, priv->token);
1855         if (ret) {
1856                 PMD_INIT_LOG(ERR,
1857                              "Failure closing dpni device with err code %d\n",
1858                              ret);
1859         }
1860
1861         /* Free the allocated memory for ethernet private data and dpni*/
1862         priv->hw = NULL;
1863         rte_free(dpni);
1864
1865         eth_dev->dev_ops = NULL;
1866         eth_dev->rx_pkt_burst = NULL;
1867         eth_dev->tx_pkt_burst = NULL;
1868
1869         RTE_LOG(INFO, PMD, "%s: netdev created\n", eth_dev->data->name);
1870         return 0;
1871 }
1872
1873 static int
1874 rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv,
1875                 struct rte_dpaa2_device *dpaa2_dev)
1876 {
1877         struct rte_eth_dev *eth_dev;
1878         int diag;
1879
1880         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
1881                 eth_dev = rte_eth_dev_allocate(dpaa2_dev->device.name);
1882                 if (!eth_dev)
1883                         return -ENODEV;
1884                 eth_dev->data->dev_private = rte_zmalloc(
1885                                                 "ethdev private structure",
1886                                                 sizeof(struct dpaa2_dev_priv),
1887                                                 RTE_CACHE_LINE_SIZE);
1888                 if (eth_dev->data->dev_private == NULL) {
1889                         PMD_INIT_LOG(CRIT, "Cannot allocate memzone for"
1890                                      " private port data\n");
1891                         rte_eth_dev_release_port(eth_dev);
1892                         return -ENOMEM;
1893                 }
1894         } else {
1895                 eth_dev = rte_eth_dev_attach_secondary(dpaa2_dev->device.name);
1896                 if (!eth_dev)
1897                         return -ENODEV;
1898         }
1899
1900         eth_dev->device = &dpaa2_dev->device;
1901         eth_dev->device->driver = &dpaa2_drv->driver;
1902
1903         dpaa2_dev->eth_dev = eth_dev;
1904         eth_dev->data->rx_mbuf_alloc_failed = 0;
1905
1906         /* Invoke PMD device initialization function */
1907         diag = dpaa2_dev_init(eth_dev);
1908         if (diag == 0)
1909                 return 0;
1910
1911         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1912                 rte_free(eth_dev->data->dev_private);
1913         rte_eth_dev_release_port(eth_dev);
1914         return diag;
1915 }
1916
1917 static int
1918 rte_dpaa2_remove(struct rte_dpaa2_device *dpaa2_dev)
1919 {
1920         struct rte_eth_dev *eth_dev;
1921
1922         eth_dev = dpaa2_dev->eth_dev;
1923         dpaa2_dev_uninit(eth_dev);
1924
1925         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1926                 rte_free(eth_dev->data->dev_private);
1927         rte_eth_dev_release_port(eth_dev);
1928
1929         return 0;
1930 }
1931
1932 static struct rte_dpaa2_driver rte_dpaa2_pmd = {
1933         .drv_type = DPAA2_ETH,
1934         .probe = rte_dpaa2_probe,
1935         .remove = rte_dpaa2_remove,
1936 };
1937
1938 RTE_PMD_REGISTER_DPAA2(net_dpaa2, rte_dpaa2_pmd);