ethdev: reset all when releasing a port
[dpdk.git] / drivers / net / iavf / iavf_ethdev.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Intel Corporation
3  */
4
5 #include <sys/queue.h>
6 #include <stdio.h>
7 #include <errno.h>
8 #include <stdint.h>
9 #include <string.h>
10 #include <unistd.h>
11 #include <stdarg.h>
12 #include <inttypes.h>
13 #include <rte_byteorder.h>
14 #include <rte_common.h>
15
16 #include <rte_interrupts.h>
17 #include <rte_debug.h>
18 #include <rte_pci.h>
19 #include <rte_atomic.h>
20 #include <rte_eal.h>
21 #include <rte_ether.h>
22 #include <rte_ethdev_driver.h>
23 #include <rte_ethdev_pci.h>
24 #include <rte_malloc.h>
25 #include <rte_memzone.h>
26 #include <rte_dev.h>
27
28 #include "iavf.h"
29 #include "iavf_rxtx.h"
30 #include "iavf_generic_flow.h"
31
32 static int iavf_dev_configure(struct rte_eth_dev *dev);
33 static int iavf_dev_start(struct rte_eth_dev *dev);
34 static void iavf_dev_stop(struct rte_eth_dev *dev);
35 static int iavf_dev_close(struct rte_eth_dev *dev);
36 static int iavf_dev_reset(struct rte_eth_dev *dev);
37 static int iavf_dev_info_get(struct rte_eth_dev *dev,
38                              struct rte_eth_dev_info *dev_info);
39 static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev);
40 static int iavf_dev_stats_get(struct rte_eth_dev *dev,
41                              struct rte_eth_stats *stats);
42 static int iavf_dev_stats_reset(struct rte_eth_dev *dev);
43 static int iavf_dev_xstats_get(struct rte_eth_dev *dev,
44                                  struct rte_eth_xstat *xstats, unsigned int n);
45 static int iavf_dev_xstats_get_names(struct rte_eth_dev *dev,
46                                        struct rte_eth_xstat_name *xstats_names,
47                                        unsigned int limit);
48 static int iavf_dev_promiscuous_enable(struct rte_eth_dev *dev);
49 static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev);
50 static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev);
51 static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev);
52 static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev,
53                                 struct rte_ether_addr *addr,
54                                 uint32_t index,
55                                 uint32_t pool);
56 static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
57 static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev,
58                                    uint16_t vlan_id, int on);
59 static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask);
60 static int iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
61                                    struct rte_eth_rss_reta_entry64 *reta_conf,
62                                    uint16_t reta_size);
63 static int iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
64                                   struct rte_eth_rss_reta_entry64 *reta_conf,
65                                   uint16_t reta_size);
66 static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
67                                    struct rte_eth_rss_conf *rss_conf);
68 static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
69                                      struct rte_eth_rss_conf *rss_conf);
70 static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
71 static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
72                                          struct rte_ether_addr *mac_addr);
73 static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev,
74                                         uint16_t queue_id);
75 static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev,
76                                          uint16_t queue_id);
77 static int iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
78                      enum rte_filter_type filter_type,
79                      enum rte_filter_op filter_op,
80                      void *arg);
81 static int iavf_set_mc_addr_list(struct rte_eth_dev *dev,
82                         struct rte_ether_addr *mc_addrs,
83                         uint32_t mc_addrs_num);
84
85 static const struct rte_pci_id pci_id_iavf_map[] = {
86         { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) },
87         { .vendor_id = 0, /* sentinel */ },
88 };
89
90 struct rte_iavf_xstats_name_off {
91         char name[RTE_ETH_XSTATS_NAME_SIZE];
92         unsigned int offset;
93 };
94
95 static const struct rte_iavf_xstats_name_off rte_iavf_stats_strings[] = {
96         {"rx_bytes", offsetof(struct iavf_eth_stats, rx_bytes)},
97         {"rx_unicast_packets", offsetof(struct iavf_eth_stats, rx_unicast)},
98         {"rx_multicast_packets", offsetof(struct iavf_eth_stats, rx_multicast)},
99         {"rx_broadcast_packets", offsetof(struct iavf_eth_stats, rx_broadcast)},
100         {"rx_dropped_packets", offsetof(struct iavf_eth_stats, rx_discards)},
101         {"rx_unknown_protocol_packets", offsetof(struct iavf_eth_stats,
102                 rx_unknown_protocol)},
103         {"tx_bytes", offsetof(struct iavf_eth_stats, tx_bytes)},
104         {"tx_unicast_packets", offsetof(struct iavf_eth_stats, tx_unicast)},
105         {"tx_multicast_packets", offsetof(struct iavf_eth_stats, tx_multicast)},
106         {"tx_broadcast_packets", offsetof(struct iavf_eth_stats, tx_broadcast)},
107         {"tx_dropped_packets", offsetof(struct iavf_eth_stats, tx_discards)},
108         {"tx_error_packets", offsetof(struct iavf_eth_stats, tx_errors)},
109 };
110
111 #define IAVF_NB_XSTATS (sizeof(rte_iavf_stats_strings) / \
112                 sizeof(rte_iavf_stats_strings[0]))
113
114 static const struct eth_dev_ops iavf_eth_dev_ops = {
115         .dev_configure              = iavf_dev_configure,
116         .dev_start                  = iavf_dev_start,
117         .dev_stop                   = iavf_dev_stop,
118         .dev_close                  = iavf_dev_close,
119         .dev_reset                  = iavf_dev_reset,
120         .dev_infos_get              = iavf_dev_info_get,
121         .dev_supported_ptypes_get   = iavf_dev_supported_ptypes_get,
122         .link_update                = iavf_dev_link_update,
123         .stats_get                  = iavf_dev_stats_get,
124         .stats_reset                = iavf_dev_stats_reset,
125         .xstats_get                 = iavf_dev_xstats_get,
126         .xstats_get_names           = iavf_dev_xstats_get_names,
127         .xstats_reset               = iavf_dev_stats_reset,
128         .promiscuous_enable         = iavf_dev_promiscuous_enable,
129         .promiscuous_disable        = iavf_dev_promiscuous_disable,
130         .allmulticast_enable        = iavf_dev_allmulticast_enable,
131         .allmulticast_disable       = iavf_dev_allmulticast_disable,
132         .mac_addr_add               = iavf_dev_add_mac_addr,
133         .mac_addr_remove            = iavf_dev_del_mac_addr,
134         .set_mc_addr_list                       = iavf_set_mc_addr_list,
135         .vlan_filter_set            = iavf_dev_vlan_filter_set,
136         .vlan_offload_set           = iavf_dev_vlan_offload_set,
137         .rx_queue_start             = iavf_dev_rx_queue_start,
138         .rx_queue_stop              = iavf_dev_rx_queue_stop,
139         .tx_queue_start             = iavf_dev_tx_queue_start,
140         .tx_queue_stop              = iavf_dev_tx_queue_stop,
141         .rx_queue_setup             = iavf_dev_rx_queue_setup,
142         .rx_queue_release           = iavf_dev_rx_queue_release,
143         .tx_queue_setup             = iavf_dev_tx_queue_setup,
144         .tx_queue_release           = iavf_dev_tx_queue_release,
145         .mac_addr_set               = iavf_dev_set_default_mac_addr,
146         .reta_update                = iavf_dev_rss_reta_update,
147         .reta_query                 = iavf_dev_rss_reta_query,
148         .rss_hash_update            = iavf_dev_rss_hash_update,
149         .rss_hash_conf_get          = iavf_dev_rss_hash_conf_get,
150         .rxq_info_get               = iavf_dev_rxq_info_get,
151         .txq_info_get               = iavf_dev_txq_info_get,
152         .mtu_set                    = iavf_dev_mtu_set,
153         .rx_queue_intr_enable       = iavf_dev_rx_queue_intr_enable,
154         .rx_queue_intr_disable      = iavf_dev_rx_queue_intr_disable,
155         .filter_ctrl                = iavf_dev_filter_ctrl,
156         .tx_done_cleanup            = iavf_dev_tx_done_cleanup,
157 };
158
159 static int
160 iavf_set_mc_addr_list(struct rte_eth_dev *dev,
161                         struct rte_ether_addr *mc_addrs,
162                         uint32_t mc_addrs_num)
163 {
164         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
165         struct iavf_adapter *adapter =
166                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
167         int err;
168
169         /* flush previous addresses */
170         err = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
171                                         false);
172         if (err)
173                 return err;
174
175         vf->mc_addrs_num = 0;
176
177         /* add new ones */
178         err = iavf_add_del_mc_addr_list(adapter, mc_addrs, mc_addrs_num, true);
179         if (err)
180                 return err;
181
182         vf->mc_addrs_num = mc_addrs_num;
183         memcpy(vf->mc_addrs, mc_addrs, mc_addrs_num * sizeof(*mc_addrs));
184
185         return 0;
186 }
187
188 static int
189 iavf_init_rss(struct iavf_adapter *adapter)
190 {
191         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(adapter);
192         struct rte_eth_rss_conf *rss_conf;
193         uint16_t i, j, nb_q;
194         int ret;
195
196         rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
197         nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues,
198                        IAVF_MAX_NUM_QUEUES);
199
200         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) {
201                 PMD_DRV_LOG(DEBUG, "RSS is not supported");
202                 return -ENOTSUP;
203         }
204         if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
205                 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default");
206                 /* set all lut items to default queue */
207                 for (i = 0; i < vf->vf_res->rss_lut_size; i++)
208                         vf->rss_lut[i] = 0;
209                 ret = iavf_configure_rss_lut(adapter);
210                 return ret;
211         }
212
213         /* In IAVF, RSS enablement is set by PF driver. It is not supported
214          * to set based on rss_conf->rss_hf.
215          */
216
217         /* configure RSS key */
218         if (!rss_conf->rss_key) {
219                 /* Calculate the default hash key */
220                 for (i = 0; i <= vf->vf_res->rss_key_size; i++)
221                         vf->rss_key[i] = (uint8_t)rte_rand();
222         } else
223                 rte_memcpy(vf->rss_key, rss_conf->rss_key,
224                            RTE_MIN(rss_conf->rss_key_len,
225                                    vf->vf_res->rss_key_size));
226
227         /* init RSS LUT table */
228         for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) {
229                 if (j >= nb_q)
230                         j = 0;
231                 vf->rss_lut[i] = j;
232         }
233         /* send virtchnnl ops to configure rss*/
234         ret = iavf_configure_rss_lut(adapter);
235         if (ret)
236                 return ret;
237         ret = iavf_configure_rss_key(adapter);
238         if (ret)
239                 return ret;
240
241         return 0;
242 }
243
244 static int
245 iavf_dev_configure(struct rte_eth_dev *dev)
246 {
247         struct iavf_adapter *ad =
248                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
249         struct iavf_info *vf =  IAVF_DEV_PRIVATE_TO_VF(ad);
250         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
251
252         ad->rx_bulk_alloc_allowed = true;
253         /* Initialize to TRUE. If any of Rx queues doesn't meet the
254          * vector Rx/Tx preconditions, it will be reset.
255          */
256         ad->rx_vec_allowed = true;
257         ad->tx_vec_allowed = true;
258
259         if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
260                 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
261
262         /* Vlan stripping setting */
263         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) {
264                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
265                         iavf_enable_vlan_strip(ad);
266                 else
267                         iavf_disable_vlan_strip(ad);
268         }
269
270         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
271                 if (iavf_init_rss(ad) != 0) {
272                         PMD_DRV_LOG(ERR, "configure rss failed");
273                         return -1;
274                 }
275         }
276         return 0;
277 }
278
279 static int
280 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
281 {
282         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
283         struct rte_eth_dev_data *dev_data = dev->data;
284         uint16_t buf_size, max_pkt_len, len;
285
286         buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM;
287
288         /* Calculate the maximum packet length allowed */
289         len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS;
290         max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len);
291
292         /* Check if the jumbo frame and maximum packet length are set
293          * correctly.
294          */
295         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
296                 if (max_pkt_len <= RTE_ETHER_MAX_LEN ||
297                     max_pkt_len > IAVF_FRAME_SIZE_MAX) {
298                         PMD_DRV_LOG(ERR, "maximum packet length must be "
299                                     "larger than %u and smaller than %u, "
300                                     "as jumbo frame is enabled",
301                                     (uint32_t)RTE_ETHER_MAX_LEN,
302                                     (uint32_t)IAVF_FRAME_SIZE_MAX);
303                         return -EINVAL;
304                 }
305         } else {
306                 if (max_pkt_len < RTE_ETHER_MIN_LEN ||
307                     max_pkt_len > RTE_ETHER_MAX_LEN) {
308                         PMD_DRV_LOG(ERR, "maximum packet length must be "
309                                     "larger than %u and smaller than %u, "
310                                     "as jumbo frame is disabled",
311                                     (uint32_t)RTE_ETHER_MIN_LEN,
312                                     (uint32_t)RTE_ETHER_MAX_LEN);
313                         return -EINVAL;
314                 }
315         }
316
317         rxq->max_pkt_len = max_pkt_len;
318         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
319             rxq->max_pkt_len > buf_size) {
320                 dev_data->scattered_rx = 1;
321         }
322         IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
323         IAVF_WRITE_FLUSH(hw);
324
325         return 0;
326 }
327
328 static int
329 iavf_init_queues(struct rte_eth_dev *dev)
330 {
331         struct iavf_rx_queue **rxq =
332                 (struct iavf_rx_queue **)dev->data->rx_queues;
333         int i, ret = IAVF_SUCCESS;
334
335         for (i = 0; i < dev->data->nb_rx_queues; i++) {
336                 if (!rxq[i] || !rxq[i]->q_set)
337                         continue;
338                 ret = iavf_init_rxq(dev, rxq[i]);
339                 if (ret != IAVF_SUCCESS)
340                         break;
341         }
342         /* set rx/tx function to vector/scatter/single-segment
343          * according to parameters
344          */
345         iavf_set_rx_function(dev);
346         iavf_set_tx_function(dev);
347
348         return ret;
349 }
350
351 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev,
352                                      struct rte_intr_handle *intr_handle)
353 {
354         struct iavf_adapter *adapter =
355                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
356         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
357         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
358         uint16_t interval, i;
359         int vec;
360
361         if (rte_intr_cap_multiple(intr_handle) &&
362             dev->data->dev_conf.intr_conf.rxq) {
363                 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues))
364                         return -1;
365         }
366
367         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
368                 intr_handle->intr_vec =
369                         rte_zmalloc("intr_vec",
370                                     dev->data->nb_rx_queues * sizeof(int), 0);
371                 if (!intr_handle->intr_vec) {
372                         PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec",
373                                     dev->data->nb_rx_queues);
374                         return -1;
375                 }
376         }
377
378         if (!dev->data->dev_conf.intr_conf.rxq ||
379             !rte_intr_dp_is_en(intr_handle)) {
380                 /* Rx interrupt disabled, Map interrupt only for writeback */
381                 vf->nb_msix = 1;
382                 if (vf->vf_res->vf_cap_flags &
383                     VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) {
384                         /* If WB_ON_ITR supports, enable it */
385                         vf->msix_base = IAVF_RX_VEC_START;
386                         IAVF_WRITE_REG(hw,
387                                        IAVF_VFINT_DYN_CTLN1(vf->msix_base - 1),
388                                        IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK |
389                                        IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK);
390                 } else {
391                         /* If no WB_ON_ITR offload flags, need to set
392                          * interrupt for descriptor write back.
393                          */
394                         vf->msix_base = IAVF_MISC_VEC_ID;
395
396                         /* set ITR to max */
397                         interval = iavf_calc_itr_interval(
398                                         IAVF_QUEUE_ITR_INTERVAL_MAX);
399                         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
400                                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
401                                        (IAVF_ITR_INDEX_DEFAULT <<
402                                         IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
403                                        (interval <<
404                                         IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT));
405                 }
406                 IAVF_WRITE_FLUSH(hw);
407                 /* map all queues to the same interrupt */
408                 for (i = 0; i < dev->data->nb_rx_queues; i++)
409                         vf->rxq_map[vf->msix_base] |= 1 << i;
410         } else {
411                 if (!rte_intr_allow_others(intr_handle)) {
412                         vf->nb_msix = 1;
413                         vf->msix_base = IAVF_MISC_VEC_ID;
414                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
415                                 vf->rxq_map[vf->msix_base] |= 1 << i;
416                                 intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID;
417                         }
418                         PMD_DRV_LOG(DEBUG,
419                                     "vector %u are mapping to all Rx queues",
420                                     vf->msix_base);
421                 } else {
422                         /* If Rx interrupt is reuquired, and we can use
423                          * multi interrupts, then the vec is from 1
424                          */
425                         vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors,
426                                               intr_handle->nb_efd);
427                         vf->msix_base = IAVF_RX_VEC_START;
428                         vec = IAVF_RX_VEC_START;
429                         for (i = 0; i < dev->data->nb_rx_queues; i++) {
430                                 vf->rxq_map[vec] |= 1 << i;
431                                 intr_handle->intr_vec[i] = vec++;
432                                 if (vec >= vf->nb_msix)
433                                         vec = IAVF_RX_VEC_START;
434                         }
435                         PMD_DRV_LOG(DEBUG,
436                                     "%u vectors are mapping to %u Rx queues",
437                                     vf->nb_msix, dev->data->nb_rx_queues);
438                 }
439         }
440
441         if (iavf_config_irq_map(adapter)) {
442                 PMD_DRV_LOG(ERR, "config interrupt mapping failed");
443                 return -1;
444         }
445         return 0;
446 }
447
448 static int
449 iavf_start_queues(struct rte_eth_dev *dev)
450 {
451         struct iavf_rx_queue *rxq;
452         struct iavf_tx_queue *txq;
453         int i;
454
455         for (i = 0; i < dev->data->nb_tx_queues; i++) {
456                 txq = dev->data->tx_queues[i];
457                 if (txq->tx_deferred_start)
458                         continue;
459                 if (iavf_dev_tx_queue_start(dev, i) != 0) {
460                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
461                         return -1;
462                 }
463         }
464
465         for (i = 0; i < dev->data->nb_rx_queues; i++) {
466                 rxq = dev->data->rx_queues[i];
467                 if (rxq->rx_deferred_start)
468                         continue;
469                 if (iavf_dev_rx_queue_start(dev, i) != 0) {
470                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
471                         return -1;
472                 }
473         }
474
475         return 0;
476 }
477
478 static int
479 iavf_dev_start(struct rte_eth_dev *dev)
480 {
481         struct iavf_adapter *adapter =
482                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
483         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
484         struct rte_intr_handle *intr_handle = dev->intr_handle;
485
486         PMD_INIT_FUNC_TRACE();
487
488         adapter->stopped = 0;
489
490         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
491         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
492                                       dev->data->nb_tx_queues);
493
494         if (iavf_init_queues(dev) != 0) {
495                 PMD_DRV_LOG(ERR, "failed to do Queue init");
496                 return -1;
497         }
498
499         if (iavf_configure_queues(adapter) != 0) {
500                 PMD_DRV_LOG(ERR, "configure queues failed");
501                 goto err_queue;
502         }
503
504         if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) {
505                 PMD_DRV_LOG(ERR, "configure irq failed");
506                 goto err_queue;
507         }
508         /* re-enable intr again, because efd assign may change */
509         if (dev->data->dev_conf.intr_conf.rxq != 0) {
510                 rte_intr_disable(intr_handle);
511                 rte_intr_enable(intr_handle);
512         }
513
514         /* Set all mac addrs */
515         iavf_add_del_all_mac_addr(adapter, true);
516
517         /* Set all multicast addresses */
518         iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
519                                   true);
520
521         if (iavf_start_queues(dev) != 0) {
522                 PMD_DRV_LOG(ERR, "enable queues failed");
523                 goto err_mac;
524         }
525
526         return 0;
527
528 err_mac:
529         iavf_add_del_all_mac_addr(adapter, false);
530 err_queue:
531         return -1;
532 }
533
534 static void
535 iavf_dev_stop(struct rte_eth_dev *dev)
536 {
537         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
538         struct iavf_adapter *adapter =
539                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
540         struct rte_intr_handle *intr_handle = dev->intr_handle;
541
542         PMD_INIT_FUNC_TRACE();
543
544         if (adapter->stopped == 1)
545                 return;
546
547         iavf_stop_queues(dev);
548
549         /* Disable the interrupt for Rx */
550         rte_intr_efd_disable(intr_handle);
551         /* Rx interrupt vector mapping free */
552         if (intr_handle->intr_vec) {
553                 rte_free(intr_handle->intr_vec);
554                 intr_handle->intr_vec = NULL;
555         }
556
557         /* remove all mac addrs */
558         iavf_add_del_all_mac_addr(adapter, false);
559
560         /* remove all multicast addresses */
561         iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num,
562                                   false);
563
564         adapter->stopped = 1;
565         dev->data->dev_started = 0;
566 }
567
568 static int
569 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
570 {
571         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
572
573         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
574         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
575         dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN;
576         dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX;
577         dev_info->max_mtu = dev_info->max_rx_pktlen - IAVF_ETH_OVERHEAD;
578         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
579         dev_info->hash_key_size = vf->vf_res->rss_key_size;
580         dev_info->reta_size = vf->vf_res->rss_lut_size;
581         dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL;
582         dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX;
583         dev_info->rx_offload_capa =
584                 DEV_RX_OFFLOAD_VLAN_STRIP |
585                 DEV_RX_OFFLOAD_QINQ_STRIP |
586                 DEV_RX_OFFLOAD_IPV4_CKSUM |
587                 DEV_RX_OFFLOAD_UDP_CKSUM |
588                 DEV_RX_OFFLOAD_TCP_CKSUM |
589                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
590                 DEV_RX_OFFLOAD_SCATTER |
591                 DEV_RX_OFFLOAD_JUMBO_FRAME |
592                 DEV_RX_OFFLOAD_VLAN_FILTER |
593                 DEV_RX_OFFLOAD_RSS_HASH;
594         dev_info->tx_offload_capa =
595                 DEV_TX_OFFLOAD_VLAN_INSERT |
596                 DEV_TX_OFFLOAD_QINQ_INSERT |
597                 DEV_TX_OFFLOAD_IPV4_CKSUM |
598                 DEV_TX_OFFLOAD_UDP_CKSUM |
599                 DEV_TX_OFFLOAD_TCP_CKSUM |
600                 DEV_TX_OFFLOAD_SCTP_CKSUM |
601                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
602                 DEV_TX_OFFLOAD_TCP_TSO |
603                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
604                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
605                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
606                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
607                 DEV_TX_OFFLOAD_MULTI_SEGS;
608
609         dev_info->default_rxconf = (struct rte_eth_rxconf) {
610                 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH,
611                 .rx_drop_en = 0,
612                 .offloads = 0,
613         };
614
615         dev_info->default_txconf = (struct rte_eth_txconf) {
616                 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH,
617                 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH,
618                 .offloads = 0,
619         };
620
621         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
622                 .nb_max = IAVF_MAX_RING_DESC,
623                 .nb_min = IAVF_MIN_RING_DESC,
624                 .nb_align = IAVF_ALIGN_RING_DESC,
625         };
626
627         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
628                 .nb_max = IAVF_MAX_RING_DESC,
629                 .nb_min = IAVF_MIN_RING_DESC,
630                 .nb_align = IAVF_ALIGN_RING_DESC,
631         };
632
633         return 0;
634 }
635
636 static const uint32_t *
637 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
638 {
639         static const uint32_t ptypes[] = {
640                 RTE_PTYPE_L2_ETHER,
641                 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
642                 RTE_PTYPE_L4_FRAG,
643                 RTE_PTYPE_L4_ICMP,
644                 RTE_PTYPE_L4_NONFRAG,
645                 RTE_PTYPE_L4_SCTP,
646                 RTE_PTYPE_L4_TCP,
647                 RTE_PTYPE_L4_UDP,
648                 RTE_PTYPE_UNKNOWN
649         };
650         return ptypes;
651 }
652
653 int
654 iavf_dev_link_update(struct rte_eth_dev *dev,
655                     __rte_unused int wait_to_complete)
656 {
657         struct rte_eth_link new_link;
658         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
659
660         memset(&new_link, 0, sizeof(new_link));
661
662         /* Only read status info stored in VF, and the info is updated
663          *  when receive LINK_CHANGE evnet from PF by Virtchnnl.
664          */
665         switch (vf->link_speed) {
666         case 10:
667                 new_link.link_speed = ETH_SPEED_NUM_10M;
668                 break;
669         case 100:
670                 new_link.link_speed = ETH_SPEED_NUM_100M;
671                 break;
672         case 1000:
673                 new_link.link_speed = ETH_SPEED_NUM_1G;
674                 break;
675         case 10000:
676                 new_link.link_speed = ETH_SPEED_NUM_10G;
677                 break;
678         case 20000:
679                 new_link.link_speed = ETH_SPEED_NUM_20G;
680                 break;
681         case 25000:
682                 new_link.link_speed = ETH_SPEED_NUM_25G;
683                 break;
684         case 40000:
685                 new_link.link_speed = ETH_SPEED_NUM_40G;
686                 break;
687         case 50000:
688                 new_link.link_speed = ETH_SPEED_NUM_50G;
689                 break;
690         case 100000:
691                 new_link.link_speed = ETH_SPEED_NUM_100G;
692                 break;
693         default:
694                 new_link.link_speed = ETH_SPEED_NUM_NONE;
695                 break;
696         }
697
698         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
699         new_link.link_status = vf->link_up ? ETH_LINK_UP :
700                                              ETH_LINK_DOWN;
701         new_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
702                                 ETH_LINK_SPEED_FIXED);
703
704         return rte_eth_linkstatus_set(dev, &new_link);
705 }
706
707 static int
708 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev)
709 {
710         struct iavf_adapter *adapter =
711                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
712         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
713
714         return iavf_config_promisc(adapter,
715                                   true, vf->promisc_multicast_enabled);
716 }
717
718 static int
719 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev)
720 {
721         struct iavf_adapter *adapter =
722                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
723         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
724
725         return iavf_config_promisc(adapter,
726                                   false, vf->promisc_multicast_enabled);
727 }
728
729 static int
730 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev)
731 {
732         struct iavf_adapter *adapter =
733                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
734         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
735
736         return iavf_config_promisc(adapter,
737                                   vf->promisc_unicast_enabled, true);
738 }
739
740 static int
741 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev)
742 {
743         struct iavf_adapter *adapter =
744                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
745         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
746
747         return iavf_config_promisc(adapter,
748                                   vf->promisc_unicast_enabled, false);
749 }
750
751 static int
752 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr,
753                      __rte_unused uint32_t index,
754                      __rte_unused uint32_t pool)
755 {
756         struct iavf_adapter *adapter =
757                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
758         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
759         int err;
760
761         if (rte_is_zero_ether_addr(addr)) {
762                 PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
763                 return -EINVAL;
764         }
765
766         err = iavf_add_del_eth_addr(adapter, addr, true);
767         if (err) {
768                 PMD_DRV_LOG(ERR, "fail to add MAC address");
769                 return -EIO;
770         }
771
772         vf->mac_num++;
773
774         return 0;
775 }
776
777 static void
778 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
779 {
780         struct iavf_adapter *adapter =
781                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
782         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
783         struct rte_ether_addr *addr;
784         int err;
785
786         addr = &dev->data->mac_addrs[index];
787
788         err = iavf_add_del_eth_addr(adapter, addr, false);
789         if (err)
790                 PMD_DRV_LOG(ERR, "fail to delete MAC address");
791
792         vf->mac_num--;
793 }
794
795 static int
796 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
797 {
798         struct iavf_adapter *adapter =
799                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
800         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
801         int err;
802
803         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
804                 return -ENOTSUP;
805
806         err = iavf_add_del_vlan(adapter, vlan_id, on);
807         if (err)
808                 return -EIO;
809         return 0;
810 }
811
812 static int
813 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask)
814 {
815         struct iavf_adapter *adapter =
816                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
817         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
818         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
819         int err;
820
821         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
822                 return -ENOTSUP;
823
824         /* Vlan stripping setting */
825         if (mask & ETH_VLAN_STRIP_MASK) {
826                 /* Enable or disable VLAN stripping */
827                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
828                         err = iavf_enable_vlan_strip(adapter);
829                 else
830                         err = iavf_disable_vlan_strip(adapter);
831
832                 if (err)
833                         return -EIO;
834         }
835         return 0;
836 }
837
838 static int
839 iavf_dev_rss_reta_update(struct rte_eth_dev *dev,
840                         struct rte_eth_rss_reta_entry64 *reta_conf,
841                         uint16_t reta_size)
842 {
843         struct iavf_adapter *adapter =
844                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
845         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
846         uint8_t *lut;
847         uint16_t i, idx, shift;
848         int ret;
849
850         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
851                 return -ENOTSUP;
852
853         if (reta_size != vf->vf_res->rss_lut_size) {
854                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
855                         "(%d) doesn't match the number of hardware can "
856                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
857                 return -EINVAL;
858         }
859
860         lut = rte_zmalloc("rss_lut", reta_size, 0);
861         if (!lut) {
862                 PMD_DRV_LOG(ERR, "No memory can be allocated");
863                 return -ENOMEM;
864         }
865         /* store the old lut table temporarily */
866         rte_memcpy(lut, vf->rss_lut, reta_size);
867
868         for (i = 0; i < reta_size; i++) {
869                 idx = i / RTE_RETA_GROUP_SIZE;
870                 shift = i % RTE_RETA_GROUP_SIZE;
871                 if (reta_conf[idx].mask & (1ULL << shift))
872                         lut[i] = reta_conf[idx].reta[shift];
873         }
874
875         rte_memcpy(vf->rss_lut, lut, reta_size);
876         /* send virtchnnl ops to configure rss*/
877         ret = iavf_configure_rss_lut(adapter);
878         if (ret) /* revert back */
879                 rte_memcpy(vf->rss_lut, lut, reta_size);
880         rte_free(lut);
881
882         return ret;
883 }
884
885 static int
886 iavf_dev_rss_reta_query(struct rte_eth_dev *dev,
887                        struct rte_eth_rss_reta_entry64 *reta_conf,
888                        uint16_t reta_size)
889 {
890         struct iavf_adapter *adapter =
891                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
892         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
893         uint16_t i, idx, shift;
894
895         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
896                 return -ENOTSUP;
897
898         if (reta_size != vf->vf_res->rss_lut_size) {
899                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
900                         "(%d) doesn't match the number of hardware can "
901                         "support (%d)", reta_size, vf->vf_res->rss_lut_size);
902                 return -EINVAL;
903         }
904
905         for (i = 0; i < reta_size; i++) {
906                 idx = i / RTE_RETA_GROUP_SIZE;
907                 shift = i % RTE_RETA_GROUP_SIZE;
908                 if (reta_conf[idx].mask & (1ULL << shift))
909                         reta_conf[idx].reta[shift] = vf->rss_lut[i];
910         }
911
912         return 0;
913 }
914
915 static int
916 iavf_dev_rss_hash_update(struct rte_eth_dev *dev,
917                         struct rte_eth_rss_conf *rss_conf)
918 {
919         struct iavf_adapter *adapter =
920                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
921         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
922
923         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
924                 return -ENOTSUP;
925
926         /* HENA setting, it is enabled by default, no change */
927         if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
928                 PMD_DRV_LOG(DEBUG, "No key to be configured");
929                 return 0;
930         } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) {
931                 PMD_DRV_LOG(ERR, "The size of hash key configured "
932                         "(%d) doesn't match the size of hardware can "
933                         "support (%d)", rss_conf->rss_key_len,
934                         vf->vf_res->rss_key_size);
935                 return -EINVAL;
936         }
937
938         rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
939
940         return iavf_configure_rss_key(adapter);
941 }
942
943 static int
944 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
945                           struct rte_eth_rss_conf *rss_conf)
946 {
947         struct iavf_adapter *adapter =
948                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
949         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
950
951         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF))
952                 return -ENOTSUP;
953
954          /* Just set it to default value now. */
955         rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL;
956
957         if (!rss_conf->rss_key)
958                 return 0;
959
960         rss_conf->rss_key_len = vf->vf_res->rss_key_size;
961         rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len);
962
963         return 0;
964 }
965
966 static int
967 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
968 {
969         uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD;
970         int ret = 0;
971
972         if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX)
973                 return -EINVAL;
974
975         /* mtu setting is forbidden if port is start */
976         if (dev->data->dev_started) {
977                 PMD_DRV_LOG(ERR, "port must be stopped before configuration");
978                 return -EBUSY;
979         }
980
981         if (frame_size > RTE_ETHER_MAX_LEN)
982                 dev->data->dev_conf.rxmode.offloads |=
983                                 DEV_RX_OFFLOAD_JUMBO_FRAME;
984         else
985                 dev->data->dev_conf.rxmode.offloads &=
986                                 ~DEV_RX_OFFLOAD_JUMBO_FRAME;
987
988         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
989
990         return ret;
991 }
992
993 static int
994 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev,
995                              struct rte_ether_addr *mac_addr)
996 {
997         struct iavf_adapter *adapter =
998                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
999         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1000         struct rte_ether_addr *perm_addr, *old_addr;
1001         int ret;
1002
1003         old_addr = (struct rte_ether_addr *)hw->mac.addr;
1004         perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr;
1005
1006         /* If the MAC address is configured by host, skip the setting */
1007         if (rte_is_valid_assigned_ether_addr(perm_addr))
1008                 return -EPERM;
1009
1010         ret = iavf_add_del_eth_addr(adapter, old_addr, false);
1011         if (ret)
1012                 PMD_DRV_LOG(ERR, "Fail to delete old MAC:"
1013                             " %02X:%02X:%02X:%02X:%02X:%02X",
1014                             old_addr->addr_bytes[0],
1015                             old_addr->addr_bytes[1],
1016                             old_addr->addr_bytes[2],
1017                             old_addr->addr_bytes[3],
1018                             old_addr->addr_bytes[4],
1019                             old_addr->addr_bytes[5]);
1020
1021         ret = iavf_add_del_eth_addr(adapter, mac_addr, true);
1022         if (ret)
1023                 PMD_DRV_LOG(ERR, "Fail to add new MAC:"
1024                             " %02X:%02X:%02X:%02X:%02X:%02X",
1025                             mac_addr->addr_bytes[0],
1026                             mac_addr->addr_bytes[1],
1027                             mac_addr->addr_bytes[2],
1028                             mac_addr->addr_bytes[3],
1029                             mac_addr->addr_bytes[4],
1030                             mac_addr->addr_bytes[5]);
1031
1032         if (ret)
1033                 return -EIO;
1034
1035         rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
1036         return 0;
1037 }
1038
1039 static void
1040 iavf_stat_update_48(uint64_t *offset, uint64_t *stat)
1041 {
1042         if (*stat >= *offset)
1043                 *stat = *stat - *offset;
1044         else
1045                 *stat = (uint64_t)((*stat +
1046                         ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset);
1047
1048         *stat &= IAVF_48_BIT_MASK;
1049 }
1050
1051 static void
1052 iavf_stat_update_32(uint64_t *offset, uint64_t *stat)
1053 {
1054         if (*stat >= *offset)
1055                 *stat = (uint64_t)(*stat - *offset);
1056         else
1057                 *stat = (uint64_t)((*stat +
1058                         ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset);
1059 }
1060
1061 static void
1062 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes)
1063 {
1064         struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset;
1065
1066         iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes);
1067         iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast);
1068         iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast);
1069         iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast);
1070         iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards);
1071         iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes);
1072         iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast);
1073         iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast);
1074         iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast);
1075         iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
1076         iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
1077 }
1078
1079 static int
1080 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1081 {
1082         struct iavf_adapter *adapter =
1083                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1084         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1085         struct iavf_vsi *vsi = &vf->vsi;
1086         struct virtchnl_eth_stats *pstats = NULL;
1087         int ret;
1088
1089         ret = iavf_query_stats(adapter, &pstats);
1090         if (ret == 0) {
1091                 iavf_update_stats(vsi, pstats);
1092                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
1093                                 pstats->rx_broadcast - pstats->rx_discards;
1094                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
1095                                                 pstats->tx_unicast;
1096                 stats->imissed = pstats->rx_discards;
1097                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
1098                 stats->ibytes = pstats->rx_bytes;
1099                 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
1100                 stats->obytes = pstats->tx_bytes;
1101         } else {
1102                 PMD_DRV_LOG(ERR, "Get statistics failed");
1103         }
1104         return ret;
1105 }
1106
1107 static int
1108 iavf_dev_stats_reset(struct rte_eth_dev *dev)
1109 {
1110         int ret;
1111         struct iavf_adapter *adapter =
1112                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1113         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1114         struct iavf_vsi *vsi = &vf->vsi;
1115         struct virtchnl_eth_stats *pstats = NULL;
1116
1117         /* read stat values to clear hardware registers */
1118         ret = iavf_query_stats(adapter, &pstats);
1119         if (ret != 0)
1120                 return ret;
1121
1122         /* set stats offset base on current values */
1123         vsi->eth_stats_offset = *pstats;
1124
1125         return 0;
1126 }
1127
1128 static int iavf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1129                                       struct rte_eth_xstat_name *xstats_names,
1130                                       __rte_unused unsigned int limit)
1131 {
1132         unsigned int i;
1133
1134         if (xstats_names != NULL)
1135                 for (i = 0; i < IAVF_NB_XSTATS; i++) {
1136                         snprintf(xstats_names[i].name,
1137                                 sizeof(xstats_names[i].name),
1138                                 "%s", rte_iavf_stats_strings[i].name);
1139                 }
1140         return IAVF_NB_XSTATS;
1141 }
1142
1143 static int iavf_dev_xstats_get(struct rte_eth_dev *dev,
1144                                  struct rte_eth_xstat *xstats, unsigned int n)
1145 {
1146         int ret;
1147         unsigned int i;
1148         struct iavf_adapter *adapter =
1149                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1150         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1151         struct iavf_vsi *vsi = &vf->vsi;
1152         struct virtchnl_eth_stats *pstats = NULL;
1153
1154         if (n < IAVF_NB_XSTATS)
1155                 return IAVF_NB_XSTATS;
1156
1157         ret = iavf_query_stats(adapter, &pstats);
1158         if (ret != 0)
1159                 return 0;
1160
1161         if (!xstats)
1162                 return 0;
1163
1164         iavf_update_stats(vsi, pstats);
1165
1166         /* loop over xstats array and values from pstats */
1167         for (i = 0; i < IAVF_NB_XSTATS; i++) {
1168                 xstats[i].id = i;
1169                 xstats[i].value = *(uint64_t *)(((char *)pstats) +
1170                         rte_iavf_stats_strings[i].offset);
1171         }
1172
1173         return IAVF_NB_XSTATS;
1174 }
1175
1176
1177 static int
1178 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1179 {
1180         struct iavf_adapter *adapter =
1181                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1182         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1183         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1184         uint16_t msix_intr;
1185
1186         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1187         if (msix_intr == IAVF_MISC_VEC_ID) {
1188                 PMD_DRV_LOG(INFO, "MISC is also enabled for control");
1189                 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1190                                IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1191                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1192                                IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1193         } else {
1194                 IAVF_WRITE_REG(hw,
1195                                IAVF_VFINT_DYN_CTLN1
1196                                 (msix_intr - IAVF_RX_VEC_START),
1197                                IAVF_VFINT_DYN_CTLN1_INTENA_MASK |
1198                                IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1199                                IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK);
1200         }
1201
1202         IAVF_WRITE_FLUSH(hw);
1203
1204         rte_intr_ack(&pci_dev->intr_handle);
1205
1206         return 0;
1207 }
1208
1209 static int
1210 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1211 {
1212         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1213         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1214         uint16_t msix_intr;
1215
1216         msix_intr = pci_dev->intr_handle.intr_vec[queue_id];
1217         if (msix_intr == IAVF_MISC_VEC_ID) {
1218                 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it");
1219                 return -EIO;
1220         }
1221
1222         IAVF_WRITE_REG(hw,
1223                       IAVF_VFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START),
1224                       0);
1225
1226         IAVF_WRITE_FLUSH(hw);
1227         return 0;
1228 }
1229
1230 static int
1231 iavf_check_vf_reset_done(struct iavf_hw *hw)
1232 {
1233         int i, reset;
1234
1235         for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) {
1236                 reset = IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) &
1237                         IAVF_VFGEN_RSTAT_VFR_STATE_MASK;
1238                 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT;
1239                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1240                     reset == VIRTCHNL_VFR_COMPLETED)
1241                         break;
1242                 rte_delay_ms(20);
1243         }
1244
1245         if (i >= IAVF_RESET_WAIT_CNT)
1246                 return -1;
1247
1248         return 0;
1249 }
1250
1251 static int
1252 iavf_init_vf(struct rte_eth_dev *dev)
1253 {
1254         int err, bufsz;
1255         struct iavf_adapter *adapter =
1256                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1257         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1258         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1259
1260         err = iavf_set_mac_type(hw);
1261         if (err) {
1262                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1263                 goto err;
1264         }
1265
1266         err = iavf_check_vf_reset_done(hw);
1267         if (err) {
1268                 PMD_INIT_LOG(ERR, "VF is still resetting");
1269                 goto err;
1270         }
1271
1272         iavf_init_adminq_parameter(hw);
1273         err = iavf_init_adminq(hw);
1274         if (err) {
1275                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1276                 goto err;
1277         }
1278
1279         vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0);
1280         if (!vf->aq_resp) {
1281                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1282                 goto err_aq;
1283         }
1284         if (iavf_check_api_version(adapter) != 0) {
1285                 PMD_INIT_LOG(ERR, "check_api version failed");
1286                 goto err_api;
1287         }
1288
1289         bufsz = sizeof(struct virtchnl_vf_resource) +
1290                 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1291         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1292         if (!vf->vf_res) {
1293                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1294                 goto err_api;
1295         }
1296         if (iavf_get_vf_resource(adapter) != 0) {
1297                 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed");
1298                 goto err_alloc;
1299         }
1300         /* Allocate memort for RSS info */
1301         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1302                 vf->rss_key = rte_zmalloc("rss_key",
1303                                           vf->vf_res->rss_key_size, 0);
1304                 if (!vf->rss_key) {
1305                         PMD_INIT_LOG(ERR, "unable to allocate rss_key memory");
1306                         goto err_rss;
1307                 }
1308                 vf->rss_lut = rte_zmalloc("rss_lut",
1309                                           vf->vf_res->rss_lut_size, 0);
1310                 if (!vf->rss_lut) {
1311                         PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory");
1312                         goto err_rss;
1313                 }
1314         }
1315
1316         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) {
1317                 if (iavf_get_supported_rxdid(adapter) != 0) {
1318                         PMD_INIT_LOG(ERR, "failed to do get supported rxdid");
1319                         goto err_rss;
1320                 }
1321         }
1322
1323         return 0;
1324 err_rss:
1325         rte_free(vf->rss_key);
1326         rte_free(vf->rss_lut);
1327 err_alloc:
1328         rte_free(vf->vf_res);
1329         vf->vsi_res = NULL;
1330 err_api:
1331         rte_free(vf->aq_resp);
1332 err_aq:
1333         iavf_shutdown_adminq(hw);
1334 err:
1335         return -1;
1336 }
1337
1338 /* Enable default admin queue interrupt setting */
1339 static inline void
1340 iavf_enable_irq0(struct iavf_hw *hw)
1341 {
1342         /* Enable admin queue interrupt trigger */
1343         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1,
1344                        IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK);
1345
1346         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1347                        IAVF_VFINT_DYN_CTL01_INTENA_MASK |
1348                        IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK |
1349                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1350
1351         IAVF_WRITE_FLUSH(hw);
1352 }
1353
1354 static inline void
1355 iavf_disable_irq0(struct iavf_hw *hw)
1356 {
1357         /* Disable all interrupt types */
1358         IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 0);
1359         IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01,
1360                        IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK);
1361         IAVF_WRITE_FLUSH(hw);
1362 }
1363
1364 static void
1365 iavf_dev_interrupt_handler(void *param)
1366 {
1367         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1368         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1369
1370         iavf_disable_irq0(hw);
1371
1372         iavf_handle_virtchnl_msg(dev);
1373
1374         iavf_enable_irq0(hw);
1375 }
1376
1377 static int
1378 iavf_dev_filter_ctrl(struct rte_eth_dev *dev,
1379                      enum rte_filter_type filter_type,
1380                      enum rte_filter_op filter_op,
1381                      void *arg)
1382 {
1383         int ret = 0;
1384
1385         if (!dev)
1386                 return -EINVAL;
1387
1388         switch (filter_type) {
1389         case RTE_ETH_FILTER_GENERIC:
1390                 if (filter_op != RTE_ETH_FILTER_GET)
1391                         return -EINVAL;
1392                 *(const void **)arg = &iavf_flow_ops;
1393                 break;
1394         default:
1395                 PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
1396                             filter_type);
1397                 ret = -EINVAL;
1398                 break;
1399         }
1400
1401         return ret;
1402 }
1403
1404
1405 static int
1406 iavf_dev_init(struct rte_eth_dev *eth_dev)
1407 {
1408         struct iavf_adapter *adapter =
1409                 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1410         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter);
1411         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1412         int ret = 0;
1413
1414         PMD_INIT_FUNC_TRACE();
1415
1416         /* assign ops func pointer */
1417         eth_dev->dev_ops = &iavf_eth_dev_ops;
1418         eth_dev->rx_queue_count = iavf_dev_rxq_count;
1419         eth_dev->rx_descriptor_status = iavf_dev_rx_desc_status;
1420         eth_dev->tx_descriptor_status = iavf_dev_tx_desc_status;
1421         eth_dev->rx_pkt_burst = &iavf_recv_pkts;
1422         eth_dev->tx_pkt_burst = &iavf_xmit_pkts;
1423         eth_dev->tx_pkt_prepare = &iavf_prep_pkts;
1424
1425         /* For secondary processes, we don't initialise any further as primary
1426          * has already done this work. Only check if we need a different RX
1427          * and TX function.
1428          */
1429         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1430                 iavf_set_rx_function(eth_dev);
1431                 iavf_set_tx_function(eth_dev);
1432                 return 0;
1433         }
1434         rte_eth_copy_pci_info(eth_dev, pci_dev);
1435
1436         hw->vendor_id = pci_dev->id.vendor_id;
1437         hw->device_id = pci_dev->id.device_id;
1438         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1439         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1440         hw->bus.bus_id = pci_dev->addr.bus;
1441         hw->bus.device = pci_dev->addr.devid;
1442         hw->bus.func = pci_dev->addr.function;
1443         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1444         hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
1445         adapter->eth_dev = eth_dev;
1446         adapter->stopped = 1;
1447
1448         if (iavf_init_vf(eth_dev) != 0) {
1449                 PMD_INIT_LOG(ERR, "Init vf failed");
1450                 return -1;
1451         }
1452
1453         /* set default ptype table */
1454         adapter->ptype_tbl = iavf_get_default_ptype_table();
1455
1456         /* copy mac addr */
1457         eth_dev->data->mac_addrs = rte_zmalloc(
1458                 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0);
1459         if (!eth_dev->data->mac_addrs) {
1460                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1461                              " store MAC addresses",
1462                              RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX);
1463                 return -ENOMEM;
1464         }
1465         /* If the MAC address is not configured by host,
1466          * generate a random one.
1467          */
1468         if (!rte_is_valid_assigned_ether_addr(
1469                         (struct rte_ether_addr *)hw->mac.addr))
1470                 rte_eth_random_addr(hw->mac.addr);
1471         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1472                         &eth_dev->data->mac_addrs[0]);
1473
1474         /* register callback func to eal lib */
1475         rte_intr_callback_register(&pci_dev->intr_handle,
1476                                    iavf_dev_interrupt_handler,
1477                                    (void *)eth_dev);
1478
1479         /* enable uio intr after callback register */
1480         rte_intr_enable(&pci_dev->intr_handle);
1481
1482         /* configure and enable device interrupt */
1483         iavf_enable_irq0(hw);
1484
1485         ret = iavf_flow_init(adapter);
1486         if (ret) {
1487                 PMD_INIT_LOG(ERR, "Failed to initialize flow");
1488                 return ret;
1489         }
1490
1491         return 0;
1492 }
1493
1494 static int
1495 iavf_dev_close(struct rte_eth_dev *dev)
1496 {
1497         struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1498         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1499         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1500         struct iavf_adapter *adapter =
1501                 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1502         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1503
1504         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1505                 return 0;
1506
1507         iavf_dev_stop(dev);
1508         iavf_flow_flush(dev, NULL);
1509         iavf_flow_uninit(adapter);
1510
1511         /*
1512          * disable promiscuous mode before reset vf
1513          * it is a workaround solution when work with kernel driver
1514          * and it is not the normal way
1515          */
1516         if (vf->promisc_unicast_enabled || vf->promisc_multicast_enabled)
1517                 iavf_config_promisc(adapter, false, false);
1518
1519         iavf_shutdown_adminq(hw);
1520         /* disable uio intr before callback unregister */
1521         rte_intr_disable(intr_handle);
1522
1523         /* unregister callback func from eal lib */
1524         rte_intr_callback_unregister(intr_handle,
1525                                      iavf_dev_interrupt_handler, dev);
1526         iavf_disable_irq0(hw);
1527
1528         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
1529                 if (vf->rss_lut) {
1530                         rte_free(vf->rss_lut);
1531                         vf->rss_lut = NULL;
1532                 }
1533                 if (vf->rss_key) {
1534                         rte_free(vf->rss_key);
1535                         vf->rss_key = NULL;
1536                 }
1537         }
1538
1539         rte_free(vf->vf_res);
1540         vf->vsi_res = NULL;
1541         vf->vf_res = NULL;
1542
1543         rte_free(vf->aq_resp);
1544         vf->aq_resp = NULL;
1545
1546         vf->vf_reset = false;
1547
1548         return 0;
1549 }
1550
1551 static int
1552 iavf_dev_uninit(struct rte_eth_dev *dev)
1553 {
1554         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1555                 return -EPERM;
1556
1557         iavf_dev_close(dev);
1558
1559         return 0;
1560 }
1561
1562 /*
1563  * Reset VF device only to re-initialize resources in PMD layer
1564  */
1565 static int
1566 iavf_dev_reset(struct rte_eth_dev *dev)
1567 {
1568         int ret;
1569
1570         ret = iavf_dev_uninit(dev);
1571         if (ret)
1572                 return ret;
1573
1574         return iavf_dev_init(dev);
1575 }
1576
1577 static int
1578 iavf_dcf_cap_check_handler(__rte_unused const char *key,
1579                            const char *value, __rte_unused void *opaque)
1580 {
1581         if (strcmp(value, "dcf"))
1582                 return -1;
1583
1584         return 0;
1585 }
1586
1587 static int
1588 iavf_dcf_cap_selected(struct rte_devargs *devargs)
1589 {
1590         struct rte_kvargs *kvlist;
1591         const char *key = "cap";
1592         int ret = 0;
1593
1594         if (devargs == NULL)
1595                 return 0;
1596
1597         kvlist = rte_kvargs_parse(devargs->args, NULL);
1598         if (kvlist == NULL)
1599                 return 0;
1600
1601         if (!rte_kvargs_count(kvlist, key))
1602                 goto exit;
1603
1604         /* dcf capability selected when there's a key-value pair: cap=dcf */
1605         if (rte_kvargs_process(kvlist, key,
1606                                iavf_dcf_cap_check_handler, NULL) < 0)
1607                 goto exit;
1608
1609         ret = 1;
1610
1611 exit:
1612         rte_kvargs_free(kvlist);
1613         return ret;
1614 }
1615
1616 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1617                              struct rte_pci_device *pci_dev)
1618 {
1619         if (iavf_dcf_cap_selected(pci_dev->device.devargs))
1620                 return 1;
1621
1622         return rte_eth_dev_pci_generic_probe(pci_dev,
1623                 sizeof(struct iavf_adapter), iavf_dev_init);
1624 }
1625
1626 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev)
1627 {
1628         return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit);
1629 }
1630
1631 /* Adaptive virtual function driver struct */
1632 static struct rte_pci_driver rte_iavf_pmd = {
1633         .id_table = pci_id_iavf_map,
1634         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1635         .probe = eth_iavf_pci_probe,
1636         .remove = eth_iavf_pci_remove,
1637 };
1638
1639 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
1640 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
1641 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
1642 RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf");
1643 RTE_LOG_REGISTER(iavf_logtype_init, pmd.net.iavf.init, NOTICE);
1644 RTE_LOG_REGISTER(iavf_logtype_driver, pmd.net.iavf.driver, NOTICE);
1645 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX
1646 RTE_LOG_REGISTER(iavf_logtype_rx, pmd.net.iavf.rx, DEBUG);
1647 #endif
1648 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX
1649 RTE_LOG_REGISTER(iavf_logtype_tx, pmd.net.iavf.tx, DEBUG);
1650 #endif
1651 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE
1652 RTE_LOG_REGISTER(iavf_logtype_tx_free, pmd.net.iavf.tx_free, DEBUG);
1653 #endif