net/ionic: clear up confusion around FC autoneg
[dpdk.git] / drivers / net / ionic / ionic_ethdev.c
1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
2  * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
3  */
4
5 #include <rte_pci.h>
6 #include <rte_bus_pci.h>
7 #include <rte_ethdev.h>
8 #include <rte_ethdev_driver.h>
9 #include <rte_malloc.h>
10 #include <rte_ethdev_pci.h>
11
12 #include "ionic_logs.h"
13 #include "ionic.h"
14 #include "ionic_dev.h"
15 #include "ionic_mac_api.h"
16 #include "ionic_lif.h"
17 #include "ionic_ethdev.h"
18 #include "ionic_rxtx.h"
19
20 static int  eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
21 static int  eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev);
22 static int  ionic_dev_info_get(struct rte_eth_dev *eth_dev,
23         struct rte_eth_dev_info *dev_info);
24 static int  ionic_dev_configure(struct rte_eth_dev *dev);
25 static int  ionic_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
26 static int  ionic_dev_start(struct rte_eth_dev *dev);
27 static int  ionic_dev_stop(struct rte_eth_dev *dev);
28 static int  ionic_dev_close(struct rte_eth_dev *dev);
29 static int  ionic_dev_set_link_up(struct rte_eth_dev *dev);
30 static int  ionic_dev_set_link_down(struct rte_eth_dev *dev);
31 static int  ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
32         struct rte_eth_fc_conf *fc_conf);
33 static int  ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
34         struct rte_eth_fc_conf *fc_conf);
35 static int  ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask);
36 static int  ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
37         struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
38 static int  ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
39         struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size);
40 static int  ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
41         struct rte_eth_rss_conf *rss_conf);
42 static int  ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
43         struct rte_eth_rss_conf *rss_conf);
44 static int  ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
45         struct rte_eth_stats *stats);
46 static int  ionic_dev_stats_reset(struct rte_eth_dev *eth_dev);
47 static int  ionic_dev_xstats_get(struct rte_eth_dev *dev,
48         struct rte_eth_xstat *xstats, unsigned int n);
49 static int  ionic_dev_xstats_get_by_id(struct rte_eth_dev *dev,
50         const uint64_t *ids, uint64_t *values, unsigned int n);
51 static int  ionic_dev_xstats_reset(struct rte_eth_dev *dev);
52 static int  ionic_dev_xstats_get_names(struct rte_eth_dev *dev,
53         struct rte_eth_xstat_name *xstats_names, unsigned int size);
54 static int  ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
55         struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
56         unsigned int limit);
57 static int  ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
58         char *fw_version, size_t fw_size);
59
60 static const struct rte_pci_id pci_id_ionic_map[] = {
61         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_PF) },
62         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_VF) },
63         { RTE_PCI_DEVICE(IONIC_PENSANDO_VENDOR_ID, IONIC_DEV_ID_ETH_MGMT) },
64         { .vendor_id = 0, /* sentinel */ },
65 };
66
67 static const struct rte_eth_desc_lim rx_desc_lim = {
68         .nb_max = IONIC_MAX_RING_DESC,
69         .nb_min = IONIC_MIN_RING_DESC,
70         .nb_align = 1,
71 };
72
73 static const struct rte_eth_desc_lim tx_desc_lim = {
74         .nb_max = IONIC_MAX_RING_DESC,
75         .nb_min = IONIC_MIN_RING_DESC,
76         .nb_align = 1,
77         .nb_seg_max = IONIC_TX_MAX_SG_ELEMS,
78         .nb_mtu_seg_max = IONIC_TX_MAX_SG_ELEMS,
79 };
80
81 static const struct eth_dev_ops ionic_eth_dev_ops = {
82         .dev_infos_get          = ionic_dev_info_get,
83         .dev_configure          = ionic_dev_configure,
84         .mtu_set                = ionic_dev_mtu_set,
85         .dev_start              = ionic_dev_start,
86         .dev_stop               = ionic_dev_stop,
87         .dev_close              = ionic_dev_close,
88         .link_update            = ionic_dev_link_update,
89         .dev_set_link_up        = ionic_dev_set_link_up,
90         .dev_set_link_down      = ionic_dev_set_link_down,
91         .mac_addr_add           = ionic_dev_add_mac,
92         .mac_addr_remove        = ionic_dev_remove_mac,
93         .mac_addr_set           = ionic_dev_set_mac,
94         .vlan_filter_set        = ionic_dev_vlan_filter_set,
95         .promiscuous_enable     = ionic_dev_promiscuous_enable,
96         .promiscuous_disable    = ionic_dev_promiscuous_disable,
97         .allmulticast_enable    = ionic_dev_allmulticast_enable,
98         .allmulticast_disable   = ionic_dev_allmulticast_disable,
99         .flow_ctrl_get          = ionic_flow_ctrl_get,
100         .flow_ctrl_set          = ionic_flow_ctrl_set,
101         .rxq_info_get           = ionic_rxq_info_get,
102         .txq_info_get           = ionic_txq_info_get,
103         .rx_queue_setup         = ionic_dev_rx_queue_setup,
104         .rx_queue_release       = ionic_dev_rx_queue_release,
105         .rx_queue_start         = ionic_dev_rx_queue_start,
106         .rx_queue_stop          = ionic_dev_rx_queue_stop,
107         .tx_queue_setup         = ionic_dev_tx_queue_setup,
108         .tx_queue_release       = ionic_dev_tx_queue_release,
109         .tx_queue_start         = ionic_dev_tx_queue_start,
110         .tx_queue_stop          = ionic_dev_tx_queue_stop,
111         .vlan_offload_set       = ionic_vlan_offload_set,
112         .reta_update            = ionic_dev_rss_reta_update,
113         .reta_query             = ionic_dev_rss_reta_query,
114         .rss_hash_conf_get      = ionic_dev_rss_hash_conf_get,
115         .rss_hash_update        = ionic_dev_rss_hash_update,
116         .stats_get              = ionic_dev_stats_get,
117         .stats_reset            = ionic_dev_stats_reset,
118         .xstats_get             = ionic_dev_xstats_get,
119         .xstats_get_by_id       = ionic_dev_xstats_get_by_id,
120         .xstats_reset           = ionic_dev_xstats_reset,
121         .xstats_get_names       = ionic_dev_xstats_get_names,
122         .xstats_get_names_by_id = ionic_dev_xstats_get_names_by_id,
123         .fw_version_get         = ionic_dev_fw_version_get,
124 };
125
126 struct rte_ionic_xstats_name_off {
127         char name[RTE_ETH_XSTATS_NAME_SIZE];
128         unsigned int offset;
129 };
130
131 static const struct rte_ionic_xstats_name_off rte_ionic_xstats_strings[] = {
132         /* RX */
133         {"rx_ucast_bytes", offsetof(struct ionic_lif_stats,
134                         rx_ucast_bytes)},
135         {"rx_ucast_packets", offsetof(struct ionic_lif_stats,
136                         rx_ucast_packets)},
137         {"rx_mcast_bytes", offsetof(struct ionic_lif_stats,
138                         rx_mcast_bytes)},
139         {"rx_mcast_packets", offsetof(struct ionic_lif_stats,
140                         rx_mcast_packets)},
141         {"rx_bcast_bytes", offsetof(struct ionic_lif_stats,
142                         rx_bcast_bytes)},
143         {"rx_bcast_packets", offsetof(struct ionic_lif_stats,
144                         rx_bcast_packets)},
145         /* RX drops */
146         {"rx_ucast_drop_bytes", offsetof(struct ionic_lif_stats,
147                         rx_ucast_drop_bytes)},
148         {"rx_ucast_drop_packets", offsetof(struct ionic_lif_stats,
149                         rx_ucast_drop_packets)},
150         {"rx_mcast_drop_bytes", offsetof(struct ionic_lif_stats,
151                         rx_mcast_drop_bytes)},
152         {"rx_mcast_drop_packets", offsetof(struct ionic_lif_stats,
153                         rx_mcast_drop_packets)},
154         {"rx_bcast_drop_bytes", offsetof(struct ionic_lif_stats,
155                         rx_bcast_drop_bytes)},
156         {"rx_bcast_drop_packets", offsetof(struct ionic_lif_stats,
157                         rx_bcast_drop_packets)},
158         {"rx_dma_error", offsetof(struct ionic_lif_stats,
159                         rx_dma_error)},
160         /* TX */
161         {"tx_ucast_bytes", offsetof(struct ionic_lif_stats,
162                         tx_ucast_bytes)},
163         {"tx_ucast_packets", offsetof(struct ionic_lif_stats,
164                         tx_ucast_packets)},
165         {"tx_mcast_bytes", offsetof(struct ionic_lif_stats,
166                         tx_mcast_bytes)},
167         {"tx_mcast_packets", offsetof(struct ionic_lif_stats,
168                         tx_mcast_packets)},
169         {"tx_bcast_bytes", offsetof(struct ionic_lif_stats,
170                         tx_bcast_bytes)},
171         {"tx_bcast_packets", offsetof(struct ionic_lif_stats,
172                         tx_bcast_packets)},
173         /* TX drops */
174         {"tx_ucast_drop_bytes", offsetof(struct ionic_lif_stats,
175                         tx_ucast_drop_bytes)},
176         {"tx_ucast_drop_packets", offsetof(struct ionic_lif_stats,
177                         tx_ucast_drop_packets)},
178         {"tx_mcast_drop_bytes", offsetof(struct ionic_lif_stats,
179                         tx_mcast_drop_bytes)},
180         {"tx_mcast_drop_packets", offsetof(struct ionic_lif_stats,
181                         tx_mcast_drop_packets)},
182         {"tx_bcast_drop_bytes", offsetof(struct ionic_lif_stats,
183                         tx_bcast_drop_bytes)},
184         {"tx_bcast_drop_packets", offsetof(struct ionic_lif_stats,
185                         tx_bcast_drop_packets)},
186         {"tx_dma_error", offsetof(struct ionic_lif_stats,
187                         tx_dma_error)},
188         /* Rx Queue/Ring drops */
189         {"rx_queue_disabled", offsetof(struct ionic_lif_stats,
190                         rx_queue_disabled)},
191         {"rx_queue_empty", offsetof(struct ionic_lif_stats,
192                         rx_queue_empty)},
193         {"rx_queue_error", offsetof(struct ionic_lif_stats,
194                         rx_queue_error)},
195         {"rx_desc_fetch_error", offsetof(struct ionic_lif_stats,
196                         rx_desc_fetch_error)},
197         {"rx_desc_data_error", offsetof(struct ionic_lif_stats,
198                         rx_desc_data_error)},
199         /* Tx Queue/Ring drops */
200         {"tx_queue_disabled", offsetof(struct ionic_lif_stats,
201                         tx_queue_disabled)},
202         {"tx_queue_error", offsetof(struct ionic_lif_stats,
203                         tx_queue_error)},
204         {"tx_desc_fetch_error", offsetof(struct ionic_lif_stats,
205                         tx_desc_fetch_error)},
206         {"tx_desc_data_error", offsetof(struct ionic_lif_stats,
207                         tx_desc_data_error)},
208 };
209
210 #define IONIC_NB_HW_STATS (sizeof(rte_ionic_xstats_strings) / \
211                 sizeof(rte_ionic_xstats_strings[0]))
212
213 static int
214 ionic_dev_fw_version_get(struct rte_eth_dev *eth_dev,
215                 char *fw_version, size_t fw_size)
216 {
217         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
218         struct ionic_adapter *adapter = lif->adapter;
219
220         if (fw_version == NULL || fw_size <= 0)
221                 return -EINVAL;
222
223         snprintf(fw_version, fw_size, "%s",
224                  adapter->fw_version);
225         fw_version[fw_size - 1] = '\0';
226
227         return 0;
228 }
229
230 /*
231  * Set device link up, enable tx.
232  */
233 static int
234 ionic_dev_set_link_up(struct rte_eth_dev *eth_dev)
235 {
236         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
237         int err;
238
239         IONIC_PRINT_CALL();
240
241         err = ionic_lif_start(lif);
242         if (err)
243                 IONIC_PRINT(ERR, "Could not start lif to set link up");
244
245         ionic_dev_link_update(lif->eth_dev, 0);
246
247         return err;
248 }
249
250 /*
251  * Set device link down, disable tx.
252  */
253 static int
254 ionic_dev_set_link_down(struct rte_eth_dev *eth_dev)
255 {
256         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
257
258         IONIC_PRINT_CALL();
259
260         ionic_lif_stop(lif);
261
262         ionic_dev_link_update(lif->eth_dev, 0);
263
264         return 0;
265 }
266
267 int
268 ionic_dev_link_update(struct rte_eth_dev *eth_dev,
269                 int wait_to_complete __rte_unused)
270 {
271         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
272         struct ionic_adapter *adapter = lif->adapter;
273         struct rte_eth_link link;
274
275         IONIC_PRINT_CALL();
276
277         /* Initialize */
278         memset(&link, 0, sizeof(link));
279         link.link_autoneg = ETH_LINK_AUTONEG;
280
281         if (!adapter->link_up ||
282             !(lif->state & IONIC_LIF_F_UP)) {
283                 /* Interface is down */
284                 link.link_status = ETH_LINK_DOWN;
285                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
286                 link.link_speed = ETH_SPEED_NUM_NONE;
287         } else {
288                 /* Interface is up */
289                 link.link_status = ETH_LINK_UP;
290                 link.link_duplex = ETH_LINK_FULL_DUPLEX;
291                 switch (adapter->link_speed) {
292                 case  10000:
293                         link.link_speed = ETH_SPEED_NUM_10G;
294                         break;
295                 case  25000:
296                         link.link_speed = ETH_SPEED_NUM_25G;
297                         break;
298                 case  40000:
299                         link.link_speed = ETH_SPEED_NUM_40G;
300                         break;
301                 case  50000:
302                         link.link_speed = ETH_SPEED_NUM_50G;
303                         break;
304                 case 100000:
305                         link.link_speed = ETH_SPEED_NUM_100G;
306                         break;
307                 default:
308                         link.link_speed = ETH_SPEED_NUM_NONE;
309                         break;
310                 }
311         }
312
313         return rte_eth_linkstatus_set(eth_dev, &link);
314 }
315
316 /**
317  * Interrupt handler triggered by NIC for handling
318  * specific interrupt.
319  *
320  * @param param
321  *  The address of parameter registered before.
322  *
323  * @return
324  *  void
325  */
326 static void
327 ionic_dev_interrupt_handler(void *param)
328 {
329         struct ionic_adapter *adapter = (struct ionic_adapter *)param;
330
331         IONIC_PRINT(DEBUG, "->");
332
333         if (adapter->lif)
334                 ionic_notifyq_handler(adapter->lif, -1);
335 }
336
337 static int
338 ionic_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
339 {
340         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
341         uint32_t max_frame_size;
342         int err;
343
344         IONIC_PRINT_CALL();
345
346         /*
347          * Note: mtu check against IONIC_MIN_MTU, IONIC_MAX_MTU
348          * is done by the the API.
349          */
350
351         /*
352          * Max frame size is MTU + Ethernet header + VLAN + QinQ
353          * (plus ETHER_CRC_LEN if the adapter is able to keep CRC)
354          */
355         max_frame_size = mtu + RTE_ETHER_HDR_LEN + 4 + 4;
356
357         if (eth_dev->data->dev_conf.rxmode.max_rx_pkt_len < max_frame_size)
358                 return -EINVAL;
359
360         err = ionic_lif_change_mtu(lif, mtu);
361         if (err)
362                 return err;
363
364         return 0;
365 }
366
367 static int
368 ionic_dev_info_get(struct rte_eth_dev *eth_dev,
369                 struct rte_eth_dev_info *dev_info)
370 {
371         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
372         struct ionic_adapter *adapter = lif->adapter;
373         struct ionic_identity *ident = &adapter->ident;
374
375         IONIC_PRINT_CALL();
376
377         dev_info->max_rx_queues = (uint16_t)
378                 ident->lif.eth.config.queue_count[IONIC_QTYPE_RXQ];
379         dev_info->max_tx_queues = (uint16_t)
380                 ident->lif.eth.config.queue_count[IONIC_QTYPE_TXQ];
381         /* Also add ETHER_CRC_LEN if the adapter is able to keep CRC */
382         dev_info->min_rx_bufsize = IONIC_MIN_MTU + RTE_ETHER_HDR_LEN;
383         dev_info->max_rx_pktlen = IONIC_MAX_MTU + RTE_ETHER_HDR_LEN;
384         dev_info->max_mac_addrs = adapter->max_mac_addrs;
385         dev_info->min_mtu = IONIC_MIN_MTU;
386         dev_info->max_mtu = IONIC_MAX_MTU;
387
388         dev_info->hash_key_size = IONIC_RSS_HASH_KEY_SIZE;
389         dev_info->reta_size = ident->lif.eth.rss_ind_tbl_sz;
390         dev_info->flow_type_rss_offloads = IONIC_ETH_RSS_OFFLOAD_ALL;
391
392         dev_info->speed_capa =
393                 ETH_LINK_SPEED_10G |
394                 ETH_LINK_SPEED_25G |
395                 ETH_LINK_SPEED_40G |
396                 ETH_LINK_SPEED_50G |
397                 ETH_LINK_SPEED_100G;
398
399         /*
400          * Per-queue capabilities
401          * RTE does not support disabling a feature on a queue if it is
402          * enabled globally on the device. Thus the driver does not advertise
403          * capabilities like DEV_TX_OFFLOAD_IPV4_CKSUM as per-queue even
404          * though the driver would be otherwise capable of disabling it on
405          * a per-queue basis.
406          */
407
408         dev_info->rx_queue_offload_capa = 0;
409         dev_info->tx_queue_offload_capa = 0;
410
411         /*
412          * Per-port capabilities
413          * See ionic_set_features to request and check supported features
414          */
415
416         dev_info->rx_offload_capa = dev_info->rx_queue_offload_capa |
417                 DEV_RX_OFFLOAD_IPV4_CKSUM |
418                 DEV_RX_OFFLOAD_UDP_CKSUM |
419                 DEV_RX_OFFLOAD_TCP_CKSUM |
420                 DEV_RX_OFFLOAD_JUMBO_FRAME |
421                 DEV_RX_OFFLOAD_VLAN_FILTER |
422                 DEV_RX_OFFLOAD_VLAN_STRIP |
423                 DEV_RX_OFFLOAD_SCATTER |
424                 DEV_RX_OFFLOAD_RSS_HASH |
425                 0;
426
427         dev_info->tx_offload_capa = dev_info->tx_queue_offload_capa |
428                 DEV_TX_OFFLOAD_IPV4_CKSUM |
429                 DEV_TX_OFFLOAD_UDP_CKSUM |
430                 DEV_TX_OFFLOAD_TCP_CKSUM |
431                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
432                 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM |
433                 DEV_TX_OFFLOAD_MULTI_SEGS |
434                 DEV_TX_OFFLOAD_TCP_TSO |
435                 DEV_TX_OFFLOAD_VLAN_INSERT |
436                 0;
437
438         dev_info->rx_desc_lim = rx_desc_lim;
439         dev_info->tx_desc_lim = tx_desc_lim;
440
441         /* Driver-preferred Rx/Tx parameters */
442         dev_info->default_rxportconf.burst_size = 32;
443         dev_info->default_txportconf.burst_size = 32;
444         dev_info->default_rxportconf.nb_queues = 1;
445         dev_info->default_txportconf.nb_queues = 1;
446         dev_info->default_rxportconf.ring_size = IONIC_DEF_TXRX_DESC;
447         dev_info->default_txportconf.ring_size = IONIC_DEF_TXRX_DESC;
448
449         dev_info->default_rxconf = (struct rte_eth_rxconf) {
450                 /* Packets are always dropped if no desc are available */
451                 .rx_drop_en = 1,
452         };
453
454         return 0;
455 }
456
457 static int
458 ionic_flow_ctrl_get(struct rte_eth_dev *eth_dev,
459                 struct rte_eth_fc_conf *fc_conf)
460 {
461         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
462         struct ionic_adapter *adapter = lif->adapter;
463         struct ionic_dev *idev = &adapter->idev;
464
465         if (idev->port_info) {
466                 /* Flow control autoneg not supported */
467                 fc_conf->autoneg = 0;
468
469                 if (idev->port_info->config.pause_type)
470                         fc_conf->mode = RTE_FC_FULL;
471                 else
472                         fc_conf->mode = RTE_FC_NONE;
473         }
474
475         return 0;
476 }
477
478 static int
479 ionic_flow_ctrl_set(struct rte_eth_dev *eth_dev,
480                 struct rte_eth_fc_conf *fc_conf)
481 {
482         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
483         struct ionic_adapter *adapter = lif->adapter;
484         struct ionic_dev *idev = &adapter->idev;
485         uint8_t pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
486         int err;
487
488         if (fc_conf->autoneg) {
489                 IONIC_PRINT(WARNING, "Flow control autoneg not supported");
490                 return -ENOTSUP;
491         }
492
493         switch (fc_conf->mode) {
494         case RTE_FC_NONE:
495                 pause_type = IONIC_PORT_PAUSE_TYPE_NONE;
496                 break;
497         case RTE_FC_FULL:
498                 pause_type = IONIC_PORT_PAUSE_TYPE_LINK;
499                 break;
500         case RTE_FC_RX_PAUSE:
501         case RTE_FC_TX_PAUSE:
502                 return -ENOTSUP;
503         }
504
505         ionic_dev_cmd_port_pause(idev, pause_type);
506         err = ionic_dev_cmd_wait_check(idev, IONIC_DEVCMD_TIMEOUT);
507         if (err)
508                 IONIC_PRINT(WARNING, "Failed to configure flow control");
509
510         return err;
511 }
512
513 static int
514 ionic_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask)
515 {
516         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
517
518         ionic_lif_configure_vlan_offload(lif, mask);
519
520         ionic_lif_set_features(lif);
521
522         return 0;
523 }
524
525 static int
526 ionic_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
527                 struct rte_eth_rss_reta_entry64 *reta_conf,
528                 uint16_t reta_size)
529 {
530         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
531         struct ionic_adapter *adapter = lif->adapter;
532         struct ionic_identity *ident = &adapter->ident;
533         uint32_t i, j, index, num;
534
535         IONIC_PRINT_CALL();
536
537         if (!lif->rss_ind_tbl) {
538                 IONIC_PRINT(ERR, "RSS RETA not initialized, "
539                         "can't update the table");
540                 return -EINVAL;
541         }
542
543         if (reta_size != ident->lif.eth.rss_ind_tbl_sz) {
544                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
545                         "(%d) does not match the number hardware can support "
546                         "(%d)",
547                         reta_size, ident->lif.eth.rss_ind_tbl_sz);
548                 return -EINVAL;
549         }
550
551         num = lif->adapter->ident.lif.eth.rss_ind_tbl_sz / RTE_RETA_GROUP_SIZE;
552
553         for (i = 0; i < num; i++) {
554                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
555                         if (reta_conf[i].mask & ((uint64_t)1 << j)) {
556                                 index = (i * RTE_RETA_GROUP_SIZE) + j;
557                                 lif->rss_ind_tbl[index] = reta_conf[i].reta[j];
558                         }
559                 }
560         }
561
562         return ionic_lif_rss_config(lif, lif->rss_types, NULL, NULL);
563 }
564
565 static int
566 ionic_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
567                 struct rte_eth_rss_reta_entry64 *reta_conf,
568                 uint16_t reta_size)
569 {
570         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
571         struct ionic_adapter *adapter = lif->adapter;
572         struct ionic_identity *ident = &adapter->ident;
573         int i, num;
574
575         IONIC_PRINT_CALL();
576
577         if (reta_size != ident->lif.eth.rss_ind_tbl_sz) {
578                 IONIC_PRINT(ERR, "The size of hash lookup table configured "
579                         "(%d) does not match the number hardware can support "
580                         "(%d)",
581                         reta_size, ident->lif.eth.rss_ind_tbl_sz);
582                 return -EINVAL;
583         }
584
585         if (!lif->rss_ind_tbl) {
586                 IONIC_PRINT(ERR, "RSS RETA has not been built yet");
587                 return -EINVAL;
588         }
589
590         num = reta_size / RTE_RETA_GROUP_SIZE;
591
592         for (i = 0; i < num; i++) {
593                 memcpy(reta_conf->reta,
594                         &lif->rss_ind_tbl[i * RTE_RETA_GROUP_SIZE],
595                         RTE_RETA_GROUP_SIZE);
596                 reta_conf++;
597         }
598
599         return 0;
600 }
601
602 static int
603 ionic_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
604                 struct rte_eth_rss_conf *rss_conf)
605 {
606         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
607         uint64_t rss_hf = 0;
608
609         IONIC_PRINT_CALL();
610
611         if (!lif->rss_ind_tbl) {
612                 IONIC_PRINT(NOTICE, "RSS not enabled");
613                 return 0;
614         }
615
616         /* Get key value (if not null, rss_key is 40-byte) */
617         if (rss_conf->rss_key != NULL &&
618                         rss_conf->rss_key_len >= IONIC_RSS_HASH_KEY_SIZE)
619                 memcpy(rss_conf->rss_key, lif->rss_hash_key,
620                         IONIC_RSS_HASH_KEY_SIZE);
621
622         if (lif->rss_types & IONIC_RSS_TYPE_IPV4)
623                 rss_hf |= ETH_RSS_IPV4;
624         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_TCP)
625                 rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
626         if (lif->rss_types & IONIC_RSS_TYPE_IPV4_UDP)
627                 rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP;
628         if (lif->rss_types & IONIC_RSS_TYPE_IPV6)
629                 rss_hf |= ETH_RSS_IPV6;
630         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_TCP)
631                 rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
632         if (lif->rss_types & IONIC_RSS_TYPE_IPV6_UDP)
633                 rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP;
634
635         rss_conf->rss_hf = rss_hf;
636
637         return 0;
638 }
639
640 static int
641 ionic_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
642                 struct rte_eth_rss_conf *rss_conf)
643 {
644         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
645         uint32_t rss_types = 0;
646         uint8_t *key = NULL;
647
648         IONIC_PRINT_CALL();
649
650         if (rss_conf->rss_key)
651                 key = rss_conf->rss_key;
652
653         if ((rss_conf->rss_hf & IONIC_ETH_RSS_OFFLOAD_ALL) == 0) {
654                 /*
655                  * Can't disable rss through hash flags,
656                  * if it is enabled by default during init
657                  */
658                 if (lif->rss_ind_tbl)
659                         return -EINVAL;
660         } else {
661                 /* Can't enable rss if disabled by default during init */
662                 if (!lif->rss_ind_tbl)
663                         return -EINVAL;
664
665                 if (rss_conf->rss_hf & ETH_RSS_IPV4)
666                         rss_types |= IONIC_RSS_TYPE_IPV4;
667                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
668                         rss_types |= IONIC_RSS_TYPE_IPV4_TCP;
669                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
670                         rss_types |= IONIC_RSS_TYPE_IPV4_UDP;
671                 if (rss_conf->rss_hf & ETH_RSS_IPV6)
672                         rss_types |= IONIC_RSS_TYPE_IPV6;
673                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
674                         rss_types |= IONIC_RSS_TYPE_IPV6_TCP;
675                 if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
676                         rss_types |= IONIC_RSS_TYPE_IPV6_UDP;
677
678                 ionic_lif_rss_config(lif, rss_types, key, NULL);
679         }
680
681         return 0;
682 }
683
684 static int
685 ionic_dev_stats_get(struct rte_eth_dev *eth_dev,
686                 struct rte_eth_stats *stats)
687 {
688         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
689
690         ionic_lif_get_stats(lif, stats);
691
692         return 0;
693 }
694
695 static int
696 ionic_dev_stats_reset(struct rte_eth_dev *eth_dev)
697 {
698         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
699
700         IONIC_PRINT_CALL();
701
702         ionic_lif_reset_stats(lif);
703
704         return 0;
705 }
706
707 static int
708 ionic_dev_xstats_get_names(__rte_unused struct rte_eth_dev *eth_dev,
709                 struct rte_eth_xstat_name *xstats_names,
710                 __rte_unused unsigned int size)
711 {
712         unsigned int i;
713
714         if (xstats_names != NULL) {
715                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
716                         snprintf(xstats_names[i].name,
717                                         sizeof(xstats_names[i].name),
718                                         "%s", rte_ionic_xstats_strings[i].name);
719                 }
720         }
721
722         return IONIC_NB_HW_STATS;
723 }
724
725 static int
726 ionic_dev_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
727                 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
728                 unsigned int limit)
729 {
730         struct rte_eth_xstat_name xstats_names_copy[IONIC_NB_HW_STATS];
731         uint16_t i;
732
733         if (!ids) {
734                 if (xstats_names != NULL) {
735                         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
736                                 snprintf(xstats_names[i].name,
737                                         sizeof(xstats_names[i].name),
738                                         "%s", rte_ionic_xstats_strings[i].name);
739                         }
740                 }
741
742                 return IONIC_NB_HW_STATS;
743         }
744
745         ionic_dev_xstats_get_names_by_id(eth_dev, xstats_names_copy, NULL,
746                 IONIC_NB_HW_STATS);
747
748         for (i = 0; i < limit; i++) {
749                 if (ids[i] >= IONIC_NB_HW_STATS) {
750                         IONIC_PRINT(ERR, "id value isn't valid");
751                         return -1;
752                 }
753
754                 strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
755         }
756
757         return limit;
758 }
759
760 static int
761 ionic_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
762                 unsigned int n)
763 {
764         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
765         struct ionic_lif_stats hw_stats;
766         uint16_t i;
767
768         if (n < IONIC_NB_HW_STATS)
769                 return IONIC_NB_HW_STATS;
770
771         ionic_lif_get_hw_stats(lif, &hw_stats);
772
773         for (i = 0; i < IONIC_NB_HW_STATS; i++) {
774                 xstats[i].value = *(uint64_t *)(((char *)&hw_stats) +
775                                 rte_ionic_xstats_strings[i].offset);
776                 xstats[i].id = i;
777         }
778
779         return IONIC_NB_HW_STATS;
780 }
781
782 static int
783 ionic_dev_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
784                 uint64_t *values, unsigned int n)
785 {
786         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
787         struct ionic_lif_stats hw_stats;
788         uint64_t values_copy[IONIC_NB_HW_STATS];
789         uint16_t i;
790
791         if (!ids) {
792                 if (!ids && n < IONIC_NB_HW_STATS)
793                         return IONIC_NB_HW_STATS;
794
795                 ionic_lif_get_hw_stats(lif, &hw_stats);
796
797                 for (i = 0; i < IONIC_NB_HW_STATS; i++) {
798                         values[i] = *(uint64_t *)(((char *)&hw_stats) +
799                                         rte_ionic_xstats_strings[i].offset);
800                 }
801
802                 return IONIC_NB_HW_STATS;
803         }
804
805         ionic_dev_xstats_get_by_id(eth_dev, NULL, values_copy,
806                         IONIC_NB_HW_STATS);
807
808         for (i = 0; i < n; i++) {
809                 if (ids[i] >= IONIC_NB_HW_STATS) {
810                         IONIC_PRINT(ERR, "id value isn't valid");
811                         return -1;
812                 }
813
814                 values[i] = values_copy[ids[i]];
815         }
816
817         return n;
818 }
819
820 static int
821 ionic_dev_xstats_reset(struct rte_eth_dev *eth_dev)
822 {
823         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
824
825         ionic_lif_reset_hw_stats(lif);
826
827         return 0;
828 }
829
830 static int
831 ionic_dev_configure(struct rte_eth_dev *eth_dev)
832 {
833         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
834
835         IONIC_PRINT_CALL();
836
837         ionic_lif_configure(lif);
838
839         ionic_lif_set_features(lif);
840
841         return 0;
842 }
843
844 static inline uint32_t
845 ionic_parse_link_speeds(uint16_t link_speeds)
846 {
847         if (link_speeds & ETH_LINK_SPEED_100G)
848                 return 100000;
849         else if (link_speeds & ETH_LINK_SPEED_50G)
850                 return 50000;
851         else if (link_speeds & ETH_LINK_SPEED_40G)
852                 return 40000;
853         else if (link_speeds & ETH_LINK_SPEED_25G)
854                 return 25000;
855         else if (link_speeds & ETH_LINK_SPEED_10G)
856                 return 10000;
857         else
858                 return 0;
859 }
860
861 /*
862  * Configure device link speed and setup link.
863  * It returns 0 on success.
864  */
865 static int
866 ionic_dev_start(struct rte_eth_dev *eth_dev)
867 {
868         struct rte_eth_conf *dev_conf = &eth_dev->data->dev_conf;
869         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
870         struct ionic_adapter *adapter = lif->adapter;
871         struct ionic_dev *idev = &adapter->idev;
872         uint32_t allowed_speeds;
873         int err;
874
875         IONIC_PRINT_CALL();
876
877         allowed_speeds =
878                 ETH_LINK_SPEED_FIXED |
879                 ETH_LINK_SPEED_10G |
880                 ETH_LINK_SPEED_25G |
881                 ETH_LINK_SPEED_40G |
882                 ETH_LINK_SPEED_50G |
883                 ETH_LINK_SPEED_100G;
884
885         if (dev_conf->link_speeds & ~allowed_speeds) {
886                 IONIC_PRINT(ERR, "Invalid link setting");
887                 return -EINVAL;
888         }
889
890         if (dev_conf->lpbk_mode)
891                 IONIC_PRINT(WARNING, "Loopback mode not supported");
892
893         err = ionic_lif_start(lif);
894         if (err) {
895                 IONIC_PRINT(ERR, "Cannot start LIF: %d", err);
896                 return err;
897         }
898
899         if (eth_dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED) {
900                 uint32_t speed = ionic_parse_link_speeds(dev_conf->link_speeds);
901
902                 if (speed)
903                         ionic_dev_cmd_port_speed(idev, speed);
904         }
905
906         ionic_dev_link_update(eth_dev, 0);
907
908         return 0;
909 }
910
911 /*
912  * Stop device: disable rx and tx functions to allow for reconfiguring.
913  */
914 static int
915 ionic_dev_stop(struct rte_eth_dev *eth_dev)
916 {
917         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
918
919         IONIC_PRINT_CALL();
920
921         ionic_lif_stop(lif);
922
923         return 0;
924 }
925
926 static void ionic_unconfigure_intr(struct ionic_adapter *adapter);
927
928 /*
929  * Reset and stop device.
930  */
931 static int
932 ionic_dev_close(struct rte_eth_dev *eth_dev)
933 {
934         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
935         struct ionic_adapter *adapter = lif->adapter;
936
937         IONIC_PRINT_CALL();
938         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
939                 return 0;
940
941         ionic_lif_stop(lif);
942
943         ionic_lif_free_queues(lif);
944
945         IONIC_PRINT(NOTICE, "Removing device %s", eth_dev->device->name);
946         ionic_unconfigure_intr(adapter);
947
948         rte_eth_dev_destroy(eth_dev, eth_ionic_dev_uninit);
949
950         ionic_port_reset(adapter);
951         ionic_reset(adapter);
952
953         rte_free(adapter);
954
955         return 0;
956 }
957
958 static int
959 eth_ionic_dev_init(struct rte_eth_dev *eth_dev, void *init_params)
960 {
961         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
962         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
963         struct ionic_adapter *adapter = (struct ionic_adapter *)init_params;
964         int err;
965
966         IONIC_PRINT_CALL();
967
968         eth_dev->dev_ops = &ionic_eth_dev_ops;
969         eth_dev->rx_pkt_burst = &ionic_recv_pkts;
970         eth_dev->tx_pkt_burst = &ionic_xmit_pkts;
971         eth_dev->tx_pkt_prepare = &ionic_prep_pkts;
972
973         /* Multi-process not supported, primary does initialization anyway */
974         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
975                 return 0;
976
977         rte_eth_copy_pci_info(eth_dev, pci_dev);
978         eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
979
980         lif->eth_dev = eth_dev;
981         lif->adapter = adapter;
982         adapter->lif = lif;
983
984         IONIC_PRINT(DEBUG, "Up to %u MAC addresses supported",
985                 adapter->max_mac_addrs);
986
987         /* Allocate memory for storing MAC addresses */
988         eth_dev->data->mac_addrs = rte_zmalloc("ionic",
989                 RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs, 0);
990
991         if (eth_dev->data->mac_addrs == NULL) {
992                 IONIC_PRINT(ERR, "Failed to allocate %u bytes needed to "
993                         "store MAC addresses",
994                         RTE_ETHER_ADDR_LEN * adapter->max_mac_addrs);
995                 err = -ENOMEM;
996                 goto err;
997         }
998
999         err = ionic_lif_alloc(lif);
1000         if (err) {
1001                 IONIC_PRINT(ERR, "Cannot allocate LIFs: %d, aborting",
1002                         err);
1003                 goto err;
1004         }
1005
1006         err = ionic_lif_init(lif);
1007         if (err) {
1008                 IONIC_PRINT(ERR, "Cannot init LIFs: %d, aborting", err);
1009                 goto err_free_lif;
1010         }
1011
1012         /* Copy the MAC address */
1013         rte_ether_addr_copy((struct rte_ether_addr *)lif->mac_addr,
1014                 &eth_dev->data->mac_addrs[0]);
1015
1016         IONIC_PRINT(DEBUG, "Port %u initialized", eth_dev->data->port_id);
1017
1018         return 0;
1019
1020 err_free_lif:
1021         ionic_lif_free(lif);
1022 err:
1023         return err;
1024 }
1025
1026 static int
1027 eth_ionic_dev_uninit(struct rte_eth_dev *eth_dev)
1028 {
1029         struct ionic_lif *lif = IONIC_ETH_DEV_TO_LIF(eth_dev);
1030         struct ionic_adapter *adapter = lif->adapter;
1031
1032         IONIC_PRINT_CALL();
1033
1034         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1035                 return 0;
1036
1037         adapter->lif = NULL;
1038
1039         ionic_lif_deinit(lif);
1040         ionic_lif_free(lif);
1041
1042         if (!(lif->state & IONIC_LIF_F_FW_RESET))
1043                 ionic_lif_reset(lif);
1044
1045         return 0;
1046 }
1047
1048 static int
1049 ionic_configure_intr(struct ionic_adapter *adapter)
1050 {
1051         struct rte_pci_device *pci_dev = adapter->pci_dev;
1052         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1053         int err;
1054
1055         IONIC_PRINT(DEBUG, "Configuring %u intrs", adapter->nintrs);
1056
1057         if (rte_intr_efd_enable(intr_handle, adapter->nintrs)) {
1058                 IONIC_PRINT(ERR, "Fail to create eventfd");
1059                 return -1;
1060         }
1061
1062         if (rte_intr_dp_is_en(intr_handle))
1063                 IONIC_PRINT(DEBUG,
1064                         "Packet I/O interrupt on datapath is enabled");
1065
1066         if (!intr_handle->intr_vec) {
1067                 intr_handle->intr_vec = rte_zmalloc("intr_vec",
1068                         adapter->nintrs * sizeof(int), 0);
1069
1070                 if (!intr_handle->intr_vec) {
1071                         IONIC_PRINT(ERR, "Failed to allocate %u vectors",
1072                                 adapter->nintrs);
1073                         return -ENOMEM;
1074                 }
1075         }
1076
1077         err = rte_intr_callback_register(intr_handle,
1078                 ionic_dev_interrupt_handler,
1079                 adapter);
1080
1081         if (err) {
1082                 IONIC_PRINT(ERR,
1083                         "Failure registering interrupts handler (%d)",
1084                         err);
1085                 return err;
1086         }
1087
1088         /* enable intr mapping */
1089         err = rte_intr_enable(intr_handle);
1090
1091         if (err) {
1092                 IONIC_PRINT(ERR, "Failure enabling interrupts (%d)", err);
1093                 return err;
1094         }
1095
1096         return 0;
1097 }
1098
1099 static void
1100 ionic_unconfigure_intr(struct ionic_adapter *adapter)
1101 {
1102         struct rte_pci_device *pci_dev = adapter->pci_dev;
1103         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1104
1105         rte_intr_disable(intr_handle);
1106
1107         rte_intr_callback_unregister(intr_handle,
1108                 ionic_dev_interrupt_handler,
1109                 adapter);
1110 }
1111
1112 static int
1113 eth_ionic_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1114                 struct rte_pci_device *pci_dev)
1115 {
1116         char name[RTE_ETH_NAME_MAX_LEN];
1117         struct rte_mem_resource *resource;
1118         struct ionic_adapter *adapter;
1119         struct ionic_hw *hw;
1120         unsigned long i;
1121         int err;
1122
1123         /* Check structs (trigger error at compilation time) */
1124         ionic_struct_size_checks();
1125
1126         /* Multi-process not supported */
1127         if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1128                 err = -EPERM;
1129                 goto err;
1130         }
1131
1132         IONIC_PRINT(DEBUG, "Initializing device %s",
1133                 pci_dev->device.name);
1134
1135         adapter = rte_zmalloc("ionic", sizeof(*adapter), 0);
1136         if (!adapter) {
1137                 IONIC_PRINT(ERR, "OOM");
1138                 err = -ENOMEM;
1139                 goto err;
1140         }
1141
1142         adapter->pci_dev = pci_dev;
1143         hw = &adapter->hw;
1144
1145         hw->device_id = pci_dev->id.device_id;
1146         hw->vendor_id = pci_dev->id.vendor_id;
1147
1148         err = ionic_init_mac(hw);
1149         if (err != 0) {
1150                 IONIC_PRINT(ERR, "Mac init failed: %d", err);
1151                 err = -EIO;
1152                 goto err_free_adapter;
1153         }
1154
1155         adapter->num_bars = 0;
1156         for (i = 0; i < PCI_MAX_RESOURCE && i < IONIC_BARS_MAX; i++) {
1157                 resource = &pci_dev->mem_resource[i];
1158                 if (resource->phys_addr == 0 || resource->len == 0)
1159                         continue;
1160                 adapter->bars[adapter->num_bars].vaddr = resource->addr;
1161                 adapter->bars[adapter->num_bars].bus_addr = resource->phys_addr;
1162                 adapter->bars[adapter->num_bars].len = resource->len;
1163                 adapter->num_bars++;
1164         }
1165
1166         /* Discover ionic dev resources */
1167
1168         err = ionic_setup(adapter);
1169         if (err) {
1170                 IONIC_PRINT(ERR, "Cannot setup device: %d, aborting", err);
1171                 goto err_free_adapter;
1172         }
1173
1174         err = ionic_identify(adapter);
1175         if (err) {
1176                 IONIC_PRINT(ERR, "Cannot identify device: %d, aborting",
1177                         err);
1178                 goto err_free_adapter;
1179         }
1180
1181         err = ionic_init(adapter);
1182         if (err) {
1183                 IONIC_PRINT(ERR, "Cannot init device: %d, aborting", err);
1184                 goto err_free_adapter;
1185         }
1186
1187         /* Configure the ports */
1188         err = ionic_port_identify(adapter);
1189         if (err) {
1190                 IONIC_PRINT(ERR, "Cannot identify port: %d, aborting",
1191                         err);
1192                 goto err_free_adapter;
1193         }
1194
1195         err = ionic_port_init(adapter);
1196         if (err) {
1197                 IONIC_PRINT(ERR, "Cannot init port: %d, aborting", err);
1198                 goto err_free_adapter;
1199         }
1200
1201         /* Configure LIFs */
1202         err = ionic_lif_identify(adapter);
1203         if (err) {
1204                 IONIC_PRINT(ERR, "Cannot identify lif: %d, aborting", err);
1205                 goto err_free_adapter;
1206         }
1207
1208         /* Allocate and init LIFs */
1209         err = ionic_lifs_size(adapter);
1210         if (err) {
1211                 IONIC_PRINT(ERR, "Cannot size LIFs: %d, aborting", err);
1212                 goto err_free_adapter;
1213         }
1214
1215         adapter->max_mac_addrs = adapter->ident.lif.eth.max_ucast_filters;
1216
1217         if (adapter->ident.dev.nlifs != 1) {
1218                 IONIC_PRINT(ERR, "Unexpected request for %d LIFs",
1219                         adapter->ident.dev.nlifs);
1220                 goto err_free_adapter;
1221         }
1222
1223         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1224         err = rte_eth_dev_create(&pci_dev->device,
1225                         name, sizeof(struct ionic_lif),
1226                         NULL, NULL, eth_ionic_dev_init, adapter);
1227         if (err) {
1228                 IONIC_PRINT(ERR, "Cannot create eth device for %s", name);
1229                 goto err_free_adapter;
1230         }
1231
1232         err = ionic_configure_intr(adapter);
1233
1234         if (err) {
1235                 IONIC_PRINT(ERR, "Failed to configure interrupts");
1236                 goto err_free_adapter;
1237         }
1238
1239         return 0;
1240
1241 err_free_adapter:
1242         rte_free(adapter);
1243 err:
1244         return err;
1245 }
1246
1247 static int
1248 eth_ionic_pci_remove(struct rte_pci_device *pci_dev)
1249 {
1250         char name[RTE_ETH_NAME_MAX_LEN];
1251         struct rte_eth_dev *eth_dev;
1252
1253         /* Adapter lookup is using the eth_dev name */
1254         snprintf(name, sizeof(name), "%s_lif", pci_dev->device.name);
1255
1256         eth_dev = rte_eth_dev_allocated(name);
1257         if (eth_dev)
1258                 ionic_dev_close(eth_dev);
1259         else
1260                 IONIC_PRINT(DEBUG, "Cannot find device %s",
1261                         pci_dev->device.name);
1262
1263         return 0;
1264 }
1265
1266 static struct rte_pci_driver rte_ionic_pmd = {
1267         .id_table = pci_id_ionic_map,
1268         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1269         .probe = eth_ionic_pci_probe,
1270         .remove = eth_ionic_pci_remove,
1271 };
1272
1273 RTE_PMD_REGISTER_PCI(net_ionic, rte_ionic_pmd);
1274 RTE_PMD_REGISTER_PCI_TABLE(net_ionic, pci_id_ionic_map);
1275 RTE_PMD_REGISTER_KMOD_DEP(net_ionic, "* igb_uio | uio_pci_generic | vfio-pci");
1276 RTE_LOG_REGISTER(ionic_logtype, pmd.net.ionic, NOTICE);