1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2013-2016 Intel Corporation
3 */
4
5 #include <ethdev_driver.h>
6 #include <ethdev_pci.h>
7 #include <rte_malloc.h>
8 #include <rte_memzone.h>
9 #include <rte_string_fns.h>
10 #include <rte_dev.h>
11 #include <rte_spinlock.h>
12 #include <rte_kvargs.h>
13 #include <rte_vect.h>
14
15 #include "fm10k.h"
16 #include "base/fm10k_api.h"
17
18 /* Default delay to acquire mailbox lock */
19 #define FM10K_MBXLOCK_DELAY_US 20
20 #define UINT64_LOWER_32BITS_MASK 0x00000000ffffffffULL
21
22 #define MAIN_VSI_POOL_NUMBER 0
23
24 /* Max try times to acquire switch status */
25 #define MAX_QUERY_SWITCH_STATE_TIMES 10
26 /* Wait interval to get switch status */
27 #define WAIT_SWITCH_MSG_US 100000
28 /* A period of quiescence for switch */
29 #define FM10K_SWITCH_QUIESCE_US 100000
30 /* Number of chars per uint32 type */
31 #define CHARS_PER_UINT32 (sizeof(uint32_t))
32 #define BIT_MASK_PER_UINT32 ((1 << CHARS_PER_UINT32) - 1)
33
34 /* default 1:1 map from queue ID to interrupt vector ID */
35 #define Q2V(pci_dev, queue_id) \
36 (rte_intr_vec_list_index_get((pci_dev)->intr_handle, queue_id))
37
38 /* First 64 Logical ports for PF/VMDQ, second 64 for Flow director */
39 #define MAX_LPORT_NUM 128
40 #define GLORT_FD_Q_BASE 0x40
41 #define GLORT_PF_MASK 0xFFC0
42 #define GLORT_FD_MASK GLORT_PF_MASK
43 #define GLORT_FD_INDEX GLORT_FD_Q_BASE
44
45 static void fm10k_close_mbx_service(struct fm10k_hw *hw);
46 static int fm10k_dev_promiscuous_enable(struct rte_eth_dev *dev);
47 static int fm10k_dev_promiscuous_disable(struct rte_eth_dev *dev);
48 static int fm10k_dev_allmulticast_enable(struct rte_eth_dev *dev);
49 static int fm10k_dev_allmulticast_disable(struct rte_eth_dev *dev);
50 static inline int fm10k_glort_valid(struct fm10k_hw *hw);
51 static int
52 fm10k_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on);
53 static void fm10k_MAC_filter_set(struct rte_eth_dev *dev,
54 const u8 *mac, bool add, uint32_t pool);
55 static void fm10k_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid);
56 static void fm10k_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid);
57 static void fm10k_set_rx_function(struct rte_eth_dev *dev);
58 static void fm10k_set_tx_function(struct rte_eth_dev *dev);
59 static int fm10k_check_ftag(struct rte_devargs *devargs);
60 static int fm10k_link_update(struct rte_eth_dev *dev, int wait_to_complete);
61
62 static int fm10k_dev_infos_get(struct rte_eth_dev *dev,
63 struct rte_eth_dev_info *dev_info);
64 static uint64_t fm10k_get_rx_queue_offloads_capa(struct rte_eth_dev *dev);
65 static uint64_t fm10k_get_rx_port_offloads_capa(struct rte_eth_dev *dev);
66 static uint64_t fm10k_get_tx_queue_offloads_capa(struct rte_eth_dev *dev);
67 static uint64_t fm10k_get_tx_port_offloads_capa(struct rte_eth_dev *dev);
68
69 struct fm10k_xstats_name_off {
70 char name[RTE_ETH_XSTATS_NAME_SIZE];
71 unsigned offset;
72 };
73
74 static const struct fm10k_xstats_name_off fm10k_hw_stats_strings[] = {
75 {"completion_timeout_count", offsetof(struct fm10k_hw_stats, timeout)},
76 {"unsupported_requests_count", offsetof(struct fm10k_hw_stats, ur)},
77 {"completer_abort_count", offsetof(struct fm10k_hw_stats, ca)},
78 {"unsupported_message_count", offsetof(struct fm10k_hw_stats, um)},
79 {"checksum_error_count", offsetof(struct fm10k_hw_stats, xec)},
80 {"vlan_dropped", offsetof(struct fm10k_hw_stats, vlan_drop)},
81 {"loopback_dropped", offsetof(struct fm10k_hw_stats, loopback_drop)},
82 {"rx_mbuf_allocation_errors", offsetof(struct fm10k_hw_stats,
83 nodesc_drop)},
84 };
85
86 #define FM10K_NB_HW_XSTATS (sizeof(fm10k_hw_stats_strings) / \
87 sizeof(fm10k_hw_stats_strings[0]))
88
89 static const struct fm10k_xstats_name_off fm10k_hw_stats_rx_q_strings[] = {
90 {"packets", offsetof(struct fm10k_hw_stats_q, rx_packets)},
91 {"bytes", offsetof(struct fm10k_hw_stats_q, rx_bytes)},
92 {"dropped", offsetof(struct fm10k_hw_stats_q, rx_drops)},
93 };
94
95 #define FM10K_NB_RX_Q_XSTATS (sizeof(fm10k_hw_stats_rx_q_strings) / \
96 sizeof(fm10k_hw_stats_rx_q_strings[0]))
97
98 static const struct fm10k_xstats_name_off fm10k_hw_stats_tx_q_strings[] = {
99 {"packets", offsetof(struct fm10k_hw_stats_q, tx_packets)},
100 {"bytes", offsetof(struct fm10k_hw_stats_q, tx_bytes)},
101 };
102
103 #define FM10K_NB_TX_Q_XSTATS (sizeof(fm10k_hw_stats_tx_q_strings) / \
104 sizeof(fm10k_hw_stats_tx_q_strings[0]))
105
106 #define FM10K_NB_XSTATS (FM10K_NB_HW_XSTATS + FM10K_MAX_QUEUES_PF * \
107 (FM10K_NB_RX_Q_XSTATS + FM10K_NB_TX_Q_XSTATS))
108 static int
109 fm10k_dev_rxq_interrupt_setup(struct rte_eth_dev *dev);
110
111 static void
fm10k_mbx_initlock(struct fm10k_hw * hw)112 fm10k_mbx_initlock(struct fm10k_hw *hw)
113 {
114 rte_spinlock_init(FM10K_DEV_PRIVATE_TO_MBXLOCK(hw->back));
115 }
116
117 static void
fm10k_mbx_lock(struct fm10k_hw * hw)118 fm10k_mbx_lock(struct fm10k_hw *hw)
119 {
120 while (!rte_spinlock_trylock(FM10K_DEV_PRIVATE_TO_MBXLOCK(hw->back)))
121 rte_delay_us(FM10K_MBXLOCK_DELAY_US);
122 }
123
124 static void
fm10k_mbx_unlock(struct fm10k_hw * hw)125 fm10k_mbx_unlock(struct fm10k_hw *hw)
126 {
127 rte_spinlock_unlock(FM10K_DEV_PRIVATE_TO_MBXLOCK(hw->back));
128 }
129
130 /* Stubs needed for linkage when vPMD is disabled */
131 __rte_weak int
fm10k_rx_vec_condition_check(__rte_unused struct rte_eth_dev * dev)132 fm10k_rx_vec_condition_check(__rte_unused struct rte_eth_dev *dev)
133 {
134 return -1;
135 }
136
137 __rte_weak uint16_t
fm10k_recv_pkts_vec(__rte_unused void * rx_queue,__rte_unused struct rte_mbuf ** rx_pkts,__rte_unused uint16_t nb_pkts)138 fm10k_recv_pkts_vec(
139 __rte_unused void *rx_queue,
140 __rte_unused struct rte_mbuf **rx_pkts,
141 __rte_unused uint16_t nb_pkts)
142 {
143 return 0;
144 }
145
146 __rte_weak uint16_t
fm10k_recv_scattered_pkts_vec(__rte_unused void * rx_queue,__rte_unused struct rte_mbuf ** rx_pkts,__rte_unused uint16_t nb_pkts)147 fm10k_recv_scattered_pkts_vec(
148 __rte_unused void *rx_queue,
149 __rte_unused struct rte_mbuf **rx_pkts,
150 __rte_unused uint16_t nb_pkts)
151 {
152 return 0;
153 }
154
155 __rte_weak int
fm10k_rxq_vec_setup(__rte_unused struct fm10k_rx_queue * rxq)156 fm10k_rxq_vec_setup(__rte_unused struct fm10k_rx_queue *rxq)
157
158 {
159 return -1;
160 }
161
162 __rte_weak void
fm10k_rx_queue_release_mbufs_vec(__rte_unused struct fm10k_rx_queue * rxq)163 fm10k_rx_queue_release_mbufs_vec(
164 __rte_unused struct fm10k_rx_queue *rxq)
165 {
166 return;
167 }
168
169 __rte_weak void
fm10k_txq_vec_setup(__rte_unused struct fm10k_tx_queue * txq)170 fm10k_txq_vec_setup(__rte_unused struct fm10k_tx_queue *txq)
171 {
172 return;
173 }
174
175 __rte_weak int
fm10k_tx_vec_condition_check(__rte_unused struct fm10k_tx_queue * txq)176 fm10k_tx_vec_condition_check(__rte_unused struct fm10k_tx_queue *txq)
177 {
178 return -1;
179 }
180
181 __rte_weak uint16_t
fm10k_xmit_fixed_burst_vec(__rte_unused void * tx_queue,__rte_unused struct rte_mbuf ** tx_pkts,__rte_unused uint16_t nb_pkts)182 fm10k_xmit_fixed_burst_vec(__rte_unused void *tx_queue,
183 __rte_unused struct rte_mbuf **tx_pkts,
184 __rte_unused uint16_t nb_pkts)
185 {
186 return 0;
187 }
188
189 /*
190 * reset queue to initial state, allocate software buffers used when starting
191 * device.
192 * return 0 on success
193 * return -ENOMEM if buffers cannot be allocated
194 * return -EINVAL if buffers do not satisfy alignment condition
195 */
196 static inline int
rx_queue_reset(struct fm10k_rx_queue * q)197 rx_queue_reset(struct fm10k_rx_queue *q)
198 {
199 static const union fm10k_rx_desc zero = {{0} };
200 uint64_t dma_addr;
201 int i, diag;
202 PMD_INIT_FUNC_TRACE();
203
204 diag = rte_mempool_get_bulk(q->mp, (void **)q->sw_ring, q->nb_desc);
205 if (diag != 0)
206 return -ENOMEM;
207
208 for (i = 0; i < q->nb_desc; ++i) {
209 fm10k_pktmbuf_reset(q->sw_ring[i], q->port_id);
210 if (!fm10k_addr_alignment_valid(q->sw_ring[i])) {
211 rte_mempool_put_bulk(q->mp, (void **)q->sw_ring,
212 q->nb_desc);
213 return -EINVAL;
214 }
215 dma_addr = MBUF_DMA_ADDR_DEFAULT(q->sw_ring[i]);
216 q->hw_ring[i].q.pkt_addr = dma_addr;
217 q->hw_ring[i].q.hdr_addr = dma_addr;
218 }
219
220 /* initialize extra software ring entries. Space for these extra
221 * entries is always allocated.
222 */
223 memset(&q->fake_mbuf, 0x0, sizeof(q->fake_mbuf));
224 for (i = 0; i < q->nb_fake_desc; ++i) {
225 q->sw_ring[q->nb_desc + i] = &q->fake_mbuf;
226 q->hw_ring[q->nb_desc + i] = zero;
227 }
228
229 q->next_dd = 0;
230 q->next_alloc = 0;
231 q->next_trigger = q->alloc_thresh - 1;
232 FM10K_PCI_REG_WRITE(q->tail_ptr, q->nb_desc - 1);
233 q->rxrearm_start = 0;
234 q->rxrearm_nb = 0;
235
236 return 0;
237 }
238
239 /*
240 * clean queue, descriptor rings, free software buffers used when stopping
241 * device.
242 */
243 static inline void
rx_queue_clean(struct fm10k_rx_queue * q)244 rx_queue_clean(struct fm10k_rx_queue *q)
245 {
246 union fm10k_rx_desc zero = {.q = {0, 0, 0, 0} };
247 uint32_t i;
248 PMD_INIT_FUNC_TRACE();
249
250 /* zero descriptor rings */
251 for (i = 0; i < q->nb_desc; ++i)
252 q->hw_ring[i] = zero;
253
254 /* zero faked descriptors */
255 for (i = 0; i < q->nb_fake_desc; ++i)
256 q->hw_ring[q->nb_desc + i] = zero;
257
258 /* vPMD has a different way of releasing mbufs. */
259 if (q->rx_using_sse) {
260 fm10k_rx_queue_release_mbufs_vec(q);
261 return;
262 }
263
264 /* free software buffers */
265 for (i = 0; i < q->nb_desc; ++i) {
266 if (q->sw_ring[i]) {
267 rte_pktmbuf_free_seg(q->sw_ring[i]);
268 q->sw_ring[i] = NULL;
269 }
270 }
271 }
272
273 /*
274 * free all queue memory used when releasing the queue (i.e. configure)
275 */
276 static inline void
rx_queue_free(struct fm10k_rx_queue * q)277 rx_queue_free(struct fm10k_rx_queue *q)
278 {
279 PMD_INIT_FUNC_TRACE();
280 if (q) {
281 PMD_INIT_LOG(DEBUG, "Freeing rx queue %p", q);
282 rx_queue_clean(q);
283 if (q->sw_ring) {
284 rte_free(q->sw_ring);
285 q->sw_ring = NULL;
286 }
287 rte_free(q);
288 q = NULL;
289 }
290 }
291
292 /*
293 * disable RX queue, wait until HW finished necessary flush operation
294 */
295 static inline int
rx_queue_disable(struct fm10k_hw * hw,uint16_t qnum)296 rx_queue_disable(struct fm10k_hw *hw, uint16_t qnum)
297 {
298 uint32_t reg, i;
299
300 reg = FM10K_READ_REG(hw, FM10K_RXQCTL(qnum));
301 FM10K_WRITE_REG(hw, FM10K_RXQCTL(qnum),
302 reg & ~FM10K_RXQCTL_ENABLE);
303
304 /* Wait 100us at most */
305 for (i = 0; i < FM10K_QUEUE_DISABLE_TIMEOUT; i++) {
306 rte_delay_us(1);
307 reg = FM10K_READ_REG(hw, FM10K_RXQCTL(qnum));
308 if (!(reg & FM10K_RXQCTL_ENABLE))
309 break;
310 }
311
312 if (i == FM10K_QUEUE_DISABLE_TIMEOUT)
313 return -1;
314
315 return 0;
316 }
317
318 /*
319 * reset queue to initial state, allocate software buffers used when starting
320 * device
321 */
322 static inline void
tx_queue_reset(struct fm10k_tx_queue * q)323 tx_queue_reset(struct fm10k_tx_queue *q)
324 {
325 PMD_INIT_FUNC_TRACE();
326 q->last_free = 0;
327 q->next_free = 0;
328 q->nb_used = 0;
329 q->nb_free = q->nb_desc - 1;
330 fifo_reset(&q->rs_tracker, (q->nb_desc + 1) / q->rs_thresh);
331 FM10K_PCI_REG_WRITE(q->tail_ptr, 0);
332 }
333
334 /*
335 * clean queue, descriptor rings, free software buffers used when stopping
336 * device
337 */
338 static inline void
tx_queue_clean(struct fm10k_tx_queue * q)339 tx_queue_clean(struct fm10k_tx_queue *q)
340 {
341 struct fm10k_tx_desc zero = {0, 0, 0, 0, 0, 0};
342 uint32_t i;
343 PMD_INIT_FUNC_TRACE();
344
345 /* zero descriptor rings */
346 for (i = 0; i < q->nb_desc; ++i)
347 q->hw_ring[i] = zero;
348
349 /* free software buffers */
350 for (i = 0; i < q->nb_desc; ++i) {
351 if (q->sw_ring[i]) {
352 rte_pktmbuf_free_seg(q->sw_ring[i]);
353 q->sw_ring[i] = NULL;
354 }
355 }
356 }
357
358 /*
359 * free all queue memory used when releasing the queue (i.e. configure)
360 */
361 static inline void
tx_queue_free(struct fm10k_tx_queue * q)362 tx_queue_free(struct fm10k_tx_queue *q)
363 {
364 PMD_INIT_FUNC_TRACE();
365 if (q) {
366 PMD_INIT_LOG(DEBUG, "Freeing tx queue %p", q);
367 tx_queue_clean(q);
368 if (q->rs_tracker.list) {
369 rte_free(q->rs_tracker.list);
370 q->rs_tracker.list = NULL;
371 }
372 if (q->sw_ring) {
373 rte_free(q->sw_ring);
374 q->sw_ring = NULL;
375 }
376 rte_free(q);
377 q = NULL;
378 }
379 }
380
381 /*
382 * disable TX queue, wait until HW finished necessary flush operation
383 */
384 static inline int
tx_queue_disable(struct fm10k_hw * hw,uint16_t qnum)385 tx_queue_disable(struct fm10k_hw *hw, uint16_t qnum)
386 {
387 uint32_t reg, i;
388
389 reg = FM10K_READ_REG(hw, FM10K_TXDCTL(qnum));
390 FM10K_WRITE_REG(hw, FM10K_TXDCTL(qnum),
391 reg & ~FM10K_TXDCTL_ENABLE);
392
393 /* Wait 100us at most */
394 for (i = 0; i < FM10K_QUEUE_DISABLE_TIMEOUT; i++) {
395 rte_delay_us(1);
396 reg = FM10K_READ_REG(hw, FM10K_TXDCTL(qnum));
397 if (!(reg & FM10K_TXDCTL_ENABLE))
398 break;
399 }
400
401 if (i == FM10K_QUEUE_DISABLE_TIMEOUT)
402 return -1;
403
404 return 0;
405 }
406
407 static int
fm10k_check_mq_mode(struct rte_eth_dev * dev)408 fm10k_check_mq_mode(struct rte_eth_dev *dev)
409 {
410 enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
411 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
412 struct rte_eth_vmdq_rx_conf *vmdq_conf;
413 uint16_t nb_rx_q = dev->data->nb_rx_queues;
414
415 vmdq_conf = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
416
417 if (rx_mq_mode & RTE_ETH_MQ_RX_DCB_FLAG) {
418 PMD_INIT_LOG(ERR, "DCB mode is not supported.");
419 return -EINVAL;
420 }
421
422 if (!(rx_mq_mode & RTE_ETH_MQ_RX_VMDQ_FLAG))
423 return 0;
424
425 if (hw->mac.type == fm10k_mac_vf) {
426 PMD_INIT_LOG(ERR, "VMDQ mode is not supported in VF.");
427 return -EINVAL;
428 }
429
430 /* Check VMDQ queue pool number */
431 if (vmdq_conf->nb_queue_pools >
432 sizeof(vmdq_conf->pool_map[0].pools) * CHAR_BIT ||
433 vmdq_conf->nb_queue_pools > nb_rx_q) {
434 PMD_INIT_LOG(ERR, "Too many of queue pools: %d",
435 vmdq_conf->nb_queue_pools);
436 return -EINVAL;
437 }
438
439 return 0;
440 }
441
442 static const struct fm10k_txq_ops def_txq_ops = {
443 .reset = tx_queue_reset,
444 };
445
446 static int
fm10k_dev_configure(struct rte_eth_dev * dev)447 fm10k_dev_configure(struct rte_eth_dev *dev)
448 {
449 int ret;
450
451 PMD_INIT_FUNC_TRACE();
452
453 if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
454 dev->data->dev_conf.rxmode.offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
455
456 /* multiple queue mode checking */
457 ret = fm10k_check_mq_mode(dev);
458 if (ret != 0) {
459 PMD_DRV_LOG(ERR, "fm10k_check_mq_mode fails with %d.",
460 ret);
461 return ret;
462 }
463
464 dev->data->scattered_rx = 0;
465
466 return 0;
467 }
468
469 static void
fm10k_dev_vmdq_rx_configure(struct rte_eth_dev * dev)470 fm10k_dev_vmdq_rx_configure(struct rte_eth_dev *dev)
471 {
472 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
473 struct rte_eth_vmdq_rx_conf *vmdq_conf;
474 uint32_t i;
475
476 vmdq_conf = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
477
478 for (i = 0; i < vmdq_conf->nb_pool_maps; i++) {
479 if (!vmdq_conf->pool_map[i].pools)
480 continue;
481 fm10k_mbx_lock(hw);
482 fm10k_update_vlan(hw, vmdq_conf->pool_map[i].vlan_id, 0, true);
483 fm10k_mbx_unlock(hw);
484 }
485 }
486
487 static void
fm10k_dev_pf_main_vsi_reset(struct rte_eth_dev * dev)488 fm10k_dev_pf_main_vsi_reset(struct rte_eth_dev *dev)
489 {
490 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
491
492 /* Add default mac address */
493 fm10k_MAC_filter_set(dev, hw->mac.addr, true,
494 MAIN_VSI_POOL_NUMBER);
495 }
496
497 static void
fm10k_dev_rss_configure(struct rte_eth_dev * dev)498 fm10k_dev_rss_configure(struct rte_eth_dev *dev)
499 {
500 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
501 struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
502 uint32_t mrqc, *key, i, reta, j;
503 uint64_t hf;
504
505 #define RSS_KEY_SIZE 40
506 static uint8_t rss_intel_key[RSS_KEY_SIZE] = {
507 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
508 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
509 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
510 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
511 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
512 };
513
514 if (dev_conf->rxmode.mq_mode != RTE_ETH_MQ_RX_RSS ||
515 dev_conf->rx_adv_conf.rss_conf.rss_hf == 0) {
516 FM10K_WRITE_REG(hw, FM10K_MRQC(0), 0);
517 return;
518 }
519
520 /* random key is rss_intel_key (default) or user provided (rss_key) */
521 if (dev_conf->rx_adv_conf.rss_conf.rss_key == NULL)
522 key = (uint32_t *)rss_intel_key;
523 else
524 key = (uint32_t *)dev_conf->rx_adv_conf.rss_conf.rss_key;
525
526 /* Now fill our hash function seeds, 4 bytes at a time */
527 for (i = 0; i < RSS_KEY_SIZE / sizeof(*key); ++i)
528 FM10K_WRITE_REG(hw, FM10K_RSSRK(0, i), key[i]);
529
530 /*
531 * Fill in redirection table
532 * The byte-swap is needed because NIC registers are in
533 * little-endian order.
534 */
535 reta = 0;
536 for (i = 0, j = 0; i < FM10K_MAX_RSS_INDICES; i++, j++) {
537 if (j == dev->data->nb_rx_queues)
538 j = 0;
539 reta = (reta << CHAR_BIT) | j;
540 if ((i & 3) == 3)
541 FM10K_WRITE_REG(hw, FM10K_RETA(0, i >> 2),
542 rte_bswap32(reta));
543 }
544
545 /*
546 * Generate RSS hash based on packet types, TCP/UDP
547 * port numbers and/or IPv4/v6 src and dst addresses
548 */
549 hf = dev_conf->rx_adv_conf.rss_conf.rss_hf;
550 mrqc = 0;
551 mrqc |= (hf & RTE_ETH_RSS_IPV4) ? FM10K_MRQC_IPV4 : 0;
552 mrqc |= (hf & RTE_ETH_RSS_IPV6) ? FM10K_MRQC_IPV6 : 0;
553 mrqc |= (hf & RTE_ETH_RSS_IPV6_EX) ? FM10K_MRQC_IPV6 : 0;
554 mrqc |= (hf & RTE_ETH_RSS_NONFRAG_IPV4_TCP) ? FM10K_MRQC_TCP_IPV4 : 0;
555 mrqc |= (hf & RTE_ETH_RSS_NONFRAG_IPV6_TCP) ? FM10K_MRQC_TCP_IPV6 : 0;
556 mrqc |= (hf & RTE_ETH_RSS_IPV6_TCP_EX) ? FM10K_MRQC_TCP_IPV6 : 0;
557 mrqc |= (hf & RTE_ETH_RSS_NONFRAG_IPV4_UDP) ? FM10K_MRQC_UDP_IPV4 : 0;
558 mrqc |= (hf & RTE_ETH_RSS_NONFRAG_IPV6_UDP) ? FM10K_MRQC_UDP_IPV6 : 0;
559 mrqc |= (hf & RTE_ETH_RSS_IPV6_UDP_EX) ? FM10K_MRQC_UDP_IPV6 : 0;
560
561 if (mrqc == 0) {
562 PMD_INIT_LOG(ERR, "Specified RSS mode 0x%"PRIx64"is not"
563 "supported", hf);
564 return;
565 }
566
567 FM10K_WRITE_REG(hw, FM10K_MRQC(0), mrqc);
568 }
569
570 static void
fm10k_dev_logic_port_update(struct rte_eth_dev * dev,uint16_t nb_lport_new)571 fm10k_dev_logic_port_update(struct rte_eth_dev *dev, uint16_t nb_lport_new)
572 {
573 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
574 uint32_t i;
575
576 for (i = 0; i < nb_lport_new; i++) {
577 /* Set unicast mode by default. App can change
578 * to other mode in other API func.
579 */
580 fm10k_mbx_lock(hw);
581 hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map + i,
582 FM10K_XCAST_MODE_NONE);
583 fm10k_mbx_unlock(hw);
584 }
585 }
586
587 static void
fm10k_dev_mq_rx_configure(struct rte_eth_dev * dev)588 fm10k_dev_mq_rx_configure(struct rte_eth_dev *dev)
589 {
590 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
591 struct rte_eth_vmdq_rx_conf *vmdq_conf;
592 struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
593 struct fm10k_macvlan_filter_info *macvlan;
594 uint16_t nb_queue_pools = 0; /* pool number in configuration */
595 uint16_t nb_lport_new;
596
597 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
598 vmdq_conf = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
599
600 fm10k_dev_rss_configure(dev);
601
602 /* only PF supports VMDQ */
603 if (hw->mac.type != fm10k_mac_pf)
604 return;
605
606 if (dev_conf->rxmode.mq_mode & RTE_ETH_MQ_RX_VMDQ_FLAG)
607 nb_queue_pools = vmdq_conf->nb_queue_pools;
608
609 /* no pool number change, no need to update logic port and VLAN/MAC */
610 if (macvlan->nb_queue_pools == nb_queue_pools)
611 return;
612
613 nb_lport_new = nb_queue_pools ? nb_queue_pools : 1;
614 fm10k_dev_logic_port_update(dev, nb_lport_new);
615
616 /* reset MAC/VLAN as it's based on VMDQ or PF main VSI */
617 memset(dev->data->mac_addrs, 0,
618 RTE_ETHER_ADDR_LEN * FM10K_MAX_MACADDR_NUM);
619 rte_ether_addr_copy((const struct rte_ether_addr *)hw->mac.addr,
620 &dev->data->mac_addrs[0]);
621 memset(macvlan, 0, sizeof(*macvlan));
622 macvlan->nb_queue_pools = nb_queue_pools;
623
624 if (nb_queue_pools)
625 fm10k_dev_vmdq_rx_configure(dev);
626 else
627 fm10k_dev_pf_main_vsi_reset(dev);
628 }
629
630 static int
fm10k_dev_tx_init(struct rte_eth_dev * dev)631 fm10k_dev_tx_init(struct rte_eth_dev *dev)
632 {
633 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
634 int i, ret;
635 struct fm10k_tx_queue *txq;
636 uint64_t base_addr;
637 uint32_t size;
638
639 /* Disable TXINT to avoid possible interrupt */
640 for (i = 0; i < hw->mac.max_queues; i++)
641 FM10K_WRITE_REG(hw, FM10K_TXINT(i),
642 3 << FM10K_TXINT_TIMER_SHIFT);
643
644 /* Setup TX queue */
645 for (i = 0; i < dev->data->nb_tx_queues; ++i) {
646 txq = dev->data->tx_queues[i];
647 base_addr = txq->hw_ring_phys_addr;
648 size = txq->nb_desc * sizeof(struct fm10k_tx_desc);
649
650 /* disable queue to avoid issues while updating state */
651 ret = tx_queue_disable(hw, i);
652 if (ret) {
653 PMD_INIT_LOG(ERR, "failed to disable queue %d", i);
654 return -1;
655 }
656 /* Enable use of FTAG bit in TX descriptor, PFVTCTL
657 * register is read-only for VF.
658 */
659 if (fm10k_check_ftag(dev->device->devargs)) {
660 if (hw->mac.type == fm10k_mac_pf) {
661 FM10K_WRITE_REG(hw, FM10K_PFVTCTL(i),
662 FM10K_PFVTCTL_FTAG_DESC_ENABLE);
663 PMD_INIT_LOG(DEBUG, "FTAG mode is enabled");
664 } else {
665 PMD_INIT_LOG(ERR, "VF FTAG is not supported.");
666 return -ENOTSUP;
667 }
668 }
669
670 /* set location and size for descriptor ring */
671 FM10K_WRITE_REG(hw, FM10K_TDBAL(i),
672 base_addr & UINT64_LOWER_32BITS_MASK);
673 FM10K_WRITE_REG(hw, FM10K_TDBAH(i),
674 base_addr >> (CHAR_BIT * sizeof(uint32_t)));
675 FM10K_WRITE_REG(hw, FM10K_TDLEN(i), size);
676
677 /* assign default SGLORT for each TX queue by PF */
678 if (hw->mac.type == fm10k_mac_pf)
679 FM10K_WRITE_REG(hw, FM10K_TX_SGLORT(i), hw->mac.dglort_map);
680 }
681
682 /* set up vector or scalar TX function as appropriate */
683 fm10k_set_tx_function(dev);
684
685 return 0;
686 }
687
688 static int
fm10k_dev_rx_init(struct rte_eth_dev * dev)689 fm10k_dev_rx_init(struct rte_eth_dev *dev)
690 {
691 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
692 struct fm10k_macvlan_filter_info *macvlan;
693 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(dev);
694 struct rte_intr_handle *intr_handle = pdev->intr_handle;
695 int i, ret;
696 struct fm10k_rx_queue *rxq;
697 uint64_t base_addr;
698 uint32_t size;
699 uint32_t rxdctl = FM10K_RXDCTL_WRITE_BACK_MIN_DELAY;
700 uint32_t logic_port = hw->mac.dglort_map;
701 uint16_t buf_size;
702 uint16_t queue_stride = 0;
703
704 /* enable RXINT for interrupt mode */
705 i = 0;
706 if (rte_intr_dp_is_en(intr_handle)) {
707 for (; i < dev->data->nb_rx_queues; i++) {
708 FM10K_WRITE_REG(hw, FM10K_RXINT(i), Q2V(pdev, i));
709 if (hw->mac.type == fm10k_mac_pf)
710 FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(pdev, i)),
711 FM10K_ITR_AUTOMASK |
712 FM10K_ITR_MASK_CLEAR);
713 else
714 FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(pdev, i)),
715 FM10K_ITR_AUTOMASK |
716 FM10K_ITR_MASK_CLEAR);
717 }
718 }
719 /* Disable other RXINT to avoid possible interrupt */
720 for (; i < hw->mac.max_queues; i++)
721 FM10K_WRITE_REG(hw, FM10K_RXINT(i),
722 3 << FM10K_RXINT_TIMER_SHIFT);
723
724 /* Setup RX queues */
725 for (i = 0; i < dev->data->nb_rx_queues; ++i) {
726 rxq = dev->data->rx_queues[i];
727 base_addr = rxq->hw_ring_phys_addr;
728 size = rxq->nb_desc * sizeof(union fm10k_rx_desc);
729
730 /* disable queue to avoid issues while updating state */
731 ret = rx_queue_disable(hw, i);
732 if (ret) {
733 PMD_INIT_LOG(ERR, "failed to disable queue %d", i);
734 return -1;
735 }
736
737 /* Setup the Base and Length of the Rx Descriptor Ring */
738 FM10K_WRITE_REG(hw, FM10K_RDBAL(i),
739 base_addr & UINT64_LOWER_32BITS_MASK);
740 FM10K_WRITE_REG(hw, FM10K_RDBAH(i),
741 base_addr >> (CHAR_BIT * sizeof(uint32_t)));
742 FM10K_WRITE_REG(hw, FM10K_RDLEN(i), size);
743
744 /* Configure the Rx buffer size for one buff without split */
745 buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mp) -
746 RTE_PKTMBUF_HEADROOM);
747 /* As RX buffer is aligned to 512B within mbuf, some bytes are
748 * reserved for this purpose, and the worst case could be 511B.
749 * But SRR reg assumes all buffers have the same size. In order
750 * to fill the gap, we'll have to consider the worst case and
751 * assume 512B is reserved. If we don't do so, it's possible
752 * for HW to overwrite data to next mbuf.
753 */
754 buf_size -= FM10K_RX_DATABUF_ALIGN;
755
756 FM10K_WRITE_REG(hw, FM10K_SRRCTL(i),
757 (buf_size >> FM10K_SRRCTL_BSIZEPKT_SHIFT) |
758 FM10K_SRRCTL_LOOPBACK_SUPPRESS);
759
760 /* It adds dual VLAN length for supporting dual VLAN */
761 if ((dev->data->mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN +
762 2 * RTE_VLAN_HLEN) > buf_size ||
763 rxq->offloads & RTE_ETH_RX_OFFLOAD_SCATTER) {
764 uint32_t reg;
765 dev->data->scattered_rx = 1;
766 reg = FM10K_READ_REG(hw, FM10K_SRRCTL(i));
767 reg |= FM10K_SRRCTL_BUFFER_CHAINING_EN;
768 FM10K_WRITE_REG(hw, FM10K_SRRCTL(i), reg);
769 }
770
771 /* Enable drop on empty, it's RO for VF */
772 if (hw->mac.type == fm10k_mac_pf && rxq->drop_en)
773 rxdctl |= FM10K_RXDCTL_DROP_ON_EMPTY;
774
775 FM10K_WRITE_REG(hw, FM10K_RXDCTL(i), rxdctl);
776 FM10K_WRITE_FLUSH(hw);
777 }
778
779 /* Configure VMDQ/RSS if applicable */
780 fm10k_dev_mq_rx_configure(dev);
781
782 /* Decide the best RX function */
783 fm10k_set_rx_function(dev);
784
785 /* update RX_SGLORT for loopback suppress*/
786 if (hw->mac.type != fm10k_mac_pf)
787 return 0;
788 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
789 if (macvlan->nb_queue_pools)
790 queue_stride = dev->data->nb_rx_queues / macvlan->nb_queue_pools;
791 for (i = 0; i < dev->data->nb_rx_queues; ++i) {
792 if (i && queue_stride && !(i % queue_stride))
793 logic_port++;
794 FM10K_WRITE_REG(hw, FM10K_RX_SGLORT(i), logic_port);
795 }
796
797 return 0;
798 }
799
800 static int
fm10k_dev_rx_queue_start(struct rte_eth_dev * dev,uint16_t rx_queue_id)801 fm10k_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
802 {
803 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
804 int err;
805 uint32_t reg;
806 struct fm10k_rx_queue *rxq;
807
808 PMD_INIT_FUNC_TRACE();
809
810 rxq = dev->data->rx_queues[rx_queue_id];
811 err = rx_queue_reset(rxq);
812 if (err == -ENOMEM) {
813 PMD_INIT_LOG(ERR, "Failed to alloc memory : %d", err);
814 return err;
815 } else if (err == -EINVAL) {
816 PMD_INIT_LOG(ERR, "Invalid buffer address alignment :"
817 " %d", err);
818 return err;
819 }
820
821 /* Setup the HW Rx Head and Tail Descriptor Pointers
822 * Note: this must be done AFTER the queue is enabled on real
823 * hardware, but BEFORE the queue is enabled when using the
824 * emulation platform. Do it in both places for now and remove
825 * this comment and the following two register writes when the
826 * emulation platform is no longer being used.
827 */
828 FM10K_WRITE_REG(hw, FM10K_RDH(rx_queue_id), 0);
829 FM10K_WRITE_REG(hw, FM10K_RDT(rx_queue_id), rxq->nb_desc - 1);
830
831 /* Set PF ownership flag for PF devices */
832 reg = FM10K_READ_REG(hw, FM10K_RXQCTL(rx_queue_id));
833 if (hw->mac.type == fm10k_mac_pf)
834 reg |= FM10K_RXQCTL_PF;
835 reg |= FM10K_RXQCTL_ENABLE;
836 /* enable RX queue */
837 FM10K_WRITE_REG(hw, FM10K_RXQCTL(rx_queue_id), reg);
838 FM10K_WRITE_FLUSH(hw);
839
840 /* Setup the HW Rx Head and Tail Descriptor Pointers
841 * Note: this must be done AFTER the queue is enabled
842 */
843 FM10K_WRITE_REG(hw, FM10K_RDH(rx_queue_id), 0);
844 FM10K_WRITE_REG(hw, FM10K_RDT(rx_queue_id), rxq->nb_desc - 1);
845 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
846
847 return 0;
848 }
849
850 static int
fm10k_dev_rx_queue_stop(struct rte_eth_dev * dev,uint16_t rx_queue_id)851 fm10k_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
852 {
853 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
854
855 PMD_INIT_FUNC_TRACE();
856
857 /* Disable RX queue */
858 rx_queue_disable(hw, rx_queue_id);
859
860 /* Free mbuf and clean HW ring */
861 rx_queue_clean(dev->data->rx_queues[rx_queue_id]);
862 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
863
864 return 0;
865 }
866
867 static int
fm10k_dev_tx_queue_start(struct rte_eth_dev * dev,uint16_t tx_queue_id)868 fm10k_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
869 {
870 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
871 /** @todo - this should be defined in the shared code */
872 #define FM10K_TXDCTL_WRITE_BACK_MIN_DELAY 0x00010000
873 uint32_t txdctl = FM10K_TXDCTL_WRITE_BACK_MIN_DELAY;
874 struct fm10k_tx_queue *q = dev->data->tx_queues[tx_queue_id];
875
876 PMD_INIT_FUNC_TRACE();
877
878 q->ops->reset(q);
879
880 /* reset head and tail pointers */
881 FM10K_WRITE_REG(hw, FM10K_TDH(tx_queue_id), 0);
882 FM10K_WRITE_REG(hw, FM10K_TDT(tx_queue_id), 0);
883
884 /* enable TX queue */
885 FM10K_WRITE_REG(hw, FM10K_TXDCTL(tx_queue_id),
886 FM10K_TXDCTL_ENABLE | txdctl);
887 FM10K_WRITE_FLUSH(hw);
888 dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
889
890 return 0;
891 }
892
893 static int
fm10k_dev_tx_queue_stop(struct rte_eth_dev * dev,uint16_t tx_queue_id)894 fm10k_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
895 {
896 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
897
898 PMD_INIT_FUNC_TRACE();
899
900 tx_queue_disable(hw, tx_queue_id);
901 tx_queue_clean(dev->data->tx_queues[tx_queue_id]);
902 dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
903
904 return 0;
905 }
906
fm10k_glort_valid(struct fm10k_hw * hw)907 static inline int fm10k_glort_valid(struct fm10k_hw *hw)
908 {
909 return ((hw->mac.dglort_map & FM10K_DGLORTMAP_NONE)
910 != FM10K_DGLORTMAP_NONE);
911 }
912
913 static int
fm10k_dev_promiscuous_enable(struct rte_eth_dev * dev)914 fm10k_dev_promiscuous_enable(struct rte_eth_dev *dev)
915 {
916 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
917 int status;
918
919 PMD_INIT_FUNC_TRACE();
920
921 /* Return if it didn't acquire valid glort range */
922 if ((hw->mac.type == fm10k_mac_pf) && !fm10k_glort_valid(hw))
923 return 0;
924
925 fm10k_mbx_lock(hw);
926 status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
927 FM10K_XCAST_MODE_PROMISC);
928 fm10k_mbx_unlock(hw);
929
930 if (status != FM10K_SUCCESS) {
931 PMD_INIT_LOG(ERR, "Failed to enable promiscuous mode");
932 return -EAGAIN;
933 }
934
935 return 0;
936 }
937
938 static int
fm10k_dev_promiscuous_disable(struct rte_eth_dev * dev)939 fm10k_dev_promiscuous_disable(struct rte_eth_dev *dev)
940 {
941 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
942 uint8_t mode;
943 int status;
944
945 PMD_INIT_FUNC_TRACE();
946
947 /* Return if it didn't acquire valid glort range */
948 if ((hw->mac.type == fm10k_mac_pf) && !fm10k_glort_valid(hw))
949 return 0;
950
951 if (dev->data->all_multicast == 1)
952 mode = FM10K_XCAST_MODE_ALLMULTI;
953 else
954 mode = FM10K_XCAST_MODE_NONE;
955
956 fm10k_mbx_lock(hw);
957 status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
958 mode);
959 fm10k_mbx_unlock(hw);
960
961 if (status != FM10K_SUCCESS) {
962 PMD_INIT_LOG(ERR, "Failed to disable promiscuous mode");
963 return -EAGAIN;
964 }
965
966 return 0;
967 }
968
969 static int
fm10k_dev_allmulticast_enable(struct rte_eth_dev * dev)970 fm10k_dev_allmulticast_enable(struct rte_eth_dev *dev)
971 {
972 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
973 int status;
974
975 PMD_INIT_FUNC_TRACE();
976
977 /* Return if it didn't acquire valid glort range */
978 if ((hw->mac.type == fm10k_mac_pf) && !fm10k_glort_valid(hw))
979 return 0;
980
981 /* If promiscuous mode is enabled, it doesn't make sense to enable
982 * allmulticast and disable promiscuous since fm10k only can select
983 * one of the modes.
984 */
985 if (dev->data->promiscuous) {
986 PMD_INIT_LOG(INFO, "Promiscuous mode is enabled, "\
987 "needn't enable allmulticast");
988 return 0;
989 }
990
991 fm10k_mbx_lock(hw);
992 status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
993 FM10K_XCAST_MODE_ALLMULTI);
994 fm10k_mbx_unlock(hw);
995
996 if (status != FM10K_SUCCESS) {
997 PMD_INIT_LOG(ERR, "Failed to enable allmulticast mode");
998 return -EAGAIN;
999 }
1000
1001 return 0;
1002 }
1003
1004 static int
fm10k_dev_allmulticast_disable(struct rte_eth_dev * dev)1005 fm10k_dev_allmulticast_disable(struct rte_eth_dev *dev)
1006 {
1007 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1008 int status;
1009
1010 PMD_INIT_FUNC_TRACE();
1011
1012 /* Return if it didn't acquire valid glort range */
1013 if ((hw->mac.type == fm10k_mac_pf) && !fm10k_glort_valid(hw))
1014 return 0;
1015
1016 if (dev->data->promiscuous) {
1017 PMD_INIT_LOG(ERR, "Failed to disable allmulticast mode "\
1018 "since promisc mode is enabled");
1019 return -EINVAL;
1020 }
1021
1022 fm10k_mbx_lock(hw);
1023 /* Change mode to unicast mode */
1024 status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
1025 FM10K_XCAST_MODE_NONE);
1026 fm10k_mbx_unlock(hw);
1027
1028 if (status != FM10K_SUCCESS) {
1029 PMD_INIT_LOG(ERR, "Failed to disable allmulticast mode");
1030 return -EAGAIN;
1031 }
1032
1033 return 0;
1034 }
1035
1036 static void
fm10k_dev_dglort_map_configure(struct rte_eth_dev * dev)1037 fm10k_dev_dglort_map_configure(struct rte_eth_dev *dev)
1038 {
1039 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1040 uint32_t dglortdec, pool_len, rss_len, i, dglortmask;
1041 uint16_t nb_queue_pools;
1042 struct fm10k_macvlan_filter_info *macvlan;
1043
1044 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1045 nb_queue_pools = macvlan->nb_queue_pools;
1046 pool_len = nb_queue_pools ? rte_fls_u32(nb_queue_pools - 1) : 0;
1047 rss_len = rte_fls_u32(dev->data->nb_rx_queues - 1) - pool_len;
1048
1049 /* GLORT 0x0-0x3F are used by PF and VMDQ, 0x40-0x7F used by FD */
1050 dglortdec = (rss_len << FM10K_DGLORTDEC_RSSLENGTH_SHIFT) | pool_len;
1051 dglortmask = (GLORT_PF_MASK << FM10K_DGLORTMAP_MASK_SHIFT) |
1052 hw->mac.dglort_map;
1053 FM10K_WRITE_REG(hw, FM10K_DGLORTMAP(0), dglortmask);
1054 /* Configure VMDQ/RSS DGlort Decoder */
1055 FM10K_WRITE_REG(hw, FM10K_DGLORTDEC(0), dglortdec);
1056
1057 /* Flow Director configurations, only queue number is valid. */
1058 dglortdec = rte_fls_u32(dev->data->nb_rx_queues - 1);
1059 dglortmask = (GLORT_FD_MASK << FM10K_DGLORTMAP_MASK_SHIFT) |
1060 (hw->mac.dglort_map + GLORT_FD_Q_BASE);
1061 FM10K_WRITE_REG(hw, FM10K_DGLORTMAP(1), dglortmask);
1062 FM10K_WRITE_REG(hw, FM10K_DGLORTDEC(1), dglortdec);
1063
1064 /* Invalidate all other GLORT entries */
1065 for (i = 2; i < FM10K_DGLORT_COUNT; i++)
1066 FM10K_WRITE_REG(hw, FM10K_DGLORTMAP(i),
1067 FM10K_DGLORTMAP_NONE);
1068 }
1069
1070 #define BSIZEPKT_ROUNDUP ((1 << FM10K_SRRCTL_BSIZEPKT_SHIFT) - 1)
1071 static int
fm10k_dev_start(struct rte_eth_dev * dev)1072 fm10k_dev_start(struct rte_eth_dev *dev)
1073 {
1074 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1075 int i, diag;
1076
1077 PMD_INIT_FUNC_TRACE();
1078
1079 /* stop, init, then start the hw */
1080 diag = fm10k_stop_hw(hw);
1081 if (diag != FM10K_SUCCESS) {
1082 PMD_INIT_LOG(ERR, "Hardware stop failed: %d", diag);
1083 return -EIO;
1084 }
1085
1086 diag = fm10k_init_hw(hw);
1087 if (diag != FM10K_SUCCESS) {
1088 PMD_INIT_LOG(ERR, "Hardware init failed: %d", diag);
1089 return -EIO;
1090 }
1091
1092 diag = fm10k_start_hw(hw);
1093 if (diag != FM10K_SUCCESS) {
1094 PMD_INIT_LOG(ERR, "Hardware start failed: %d", diag);
1095 return -EIO;
1096 }
1097
1098 diag = fm10k_dev_tx_init(dev);
1099 if (diag) {
1100 PMD_INIT_LOG(ERR, "TX init failed: %d", diag);
1101 return diag;
1102 }
1103
1104 if (fm10k_dev_rxq_interrupt_setup(dev))
1105 return -EIO;
1106
1107 diag = fm10k_dev_rx_init(dev);
1108 if (diag) {
1109 PMD_INIT_LOG(ERR, "RX init failed: %d", diag);
1110 return diag;
1111 }
1112
1113 if (hw->mac.type == fm10k_mac_pf)
1114 fm10k_dev_dglort_map_configure(dev);
1115
1116 for (i = 0; i < dev->data->nb_rx_queues; i++) {
1117 struct fm10k_rx_queue *rxq;
1118 rxq = dev->data->rx_queues[i];
1119
1120 if (rxq->rx_deferred_start)
1121 continue;
1122 diag = fm10k_dev_rx_queue_start(dev, i);
1123 if (diag != 0) {
1124 int j;
1125 for (j = 0; j < i; ++j)
1126 rx_queue_clean(dev->data->rx_queues[j]);
1127 return diag;
1128 }
1129 }
1130
1131 for (i = 0; i < dev->data->nb_tx_queues; i++) {
1132 struct fm10k_tx_queue *txq;
1133 txq = dev->data->tx_queues[i];
1134
1135 if (txq->tx_deferred_start)
1136 continue;
1137 diag = fm10k_dev_tx_queue_start(dev, i);
1138 if (diag != 0) {
1139 int j;
1140 for (j = 0; j < i; ++j)
1141 tx_queue_clean(dev->data->tx_queues[j]);
1142 for (j = 0; j < dev->data->nb_rx_queues; ++j)
1143 rx_queue_clean(dev->data->rx_queues[j]);
1144 return diag;
1145 }
1146 }
1147
1148 /* Update default vlan when not in VMDQ mode */
1149 if (!(dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_VMDQ_FLAG))
1150 fm10k_vlan_filter_set(dev, hw->mac.default_vid, true);
1151
1152 fm10k_link_update(dev, 0);
1153
1154 return 0;
1155 }
1156
1157 static int
fm10k_dev_stop(struct rte_eth_dev * dev)1158 fm10k_dev_stop(struct rte_eth_dev *dev)
1159 {
1160 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1161 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(dev);
1162 struct rte_intr_handle *intr_handle = pdev->intr_handle;
1163 int i;
1164
1165 PMD_INIT_FUNC_TRACE();
1166 dev->data->dev_started = 0;
1167
1168 if (dev->data->tx_queues)
1169 for (i = 0; i < dev->data->nb_tx_queues; i++)
1170 fm10k_dev_tx_queue_stop(dev, i);
1171
1172 if (dev->data->rx_queues)
1173 for (i = 0; i < dev->data->nb_rx_queues; i++)
1174 fm10k_dev_rx_queue_stop(dev, i);
1175
1176 /* Disable datapath event */
1177 if (rte_intr_dp_is_en(intr_handle)) {
1178 for (i = 0; i < dev->data->nb_rx_queues; i++) {
1179 FM10K_WRITE_REG(hw, FM10K_RXINT(i),
1180 3 << FM10K_RXINT_TIMER_SHIFT);
1181 if (hw->mac.type == fm10k_mac_pf)
1182 FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(pdev, i)),
1183 FM10K_ITR_MASK_SET);
1184 else
1185 FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(pdev, i)),
1186 FM10K_ITR_MASK_SET);
1187 }
1188 }
1189 /* Clean datapath event and queue/vec mapping */
1190 rte_intr_efd_disable(intr_handle);
1191 rte_intr_vec_list_free(intr_handle);
1192
1193 return 0;
1194 }
1195
1196 static void
fm10k_dev_queue_release(struct rte_eth_dev * dev)1197 fm10k_dev_queue_release(struct rte_eth_dev *dev)
1198 {
1199 int i;
1200
1201 PMD_INIT_FUNC_TRACE();
1202
1203 if (dev->data->tx_queues) {
1204 for (i = 0; i < dev->data->nb_tx_queues; i++) {
1205 struct fm10k_tx_queue *txq = dev->data->tx_queues[i];
1206
1207 tx_queue_free(txq);
1208 }
1209 }
1210
1211 if (dev->data->rx_queues) {
1212 for (i = 0; i < dev->data->nb_rx_queues; i++)
1213 fm10k_rx_queue_release(dev, i);
1214 }
1215 }
1216
1217 static int
fm10k_link_update(struct rte_eth_dev * dev,__rte_unused int wait_to_complete)1218 fm10k_link_update(struct rte_eth_dev *dev,
1219 __rte_unused int wait_to_complete)
1220 {
1221 struct fm10k_dev_info *dev_info =
1222 FM10K_DEV_PRIVATE_TO_INFO(dev->data->dev_private);
1223 PMD_INIT_FUNC_TRACE();
1224
1225 dev->data->dev_link.link_speed = RTE_ETH_SPEED_NUM_50G;
1226 dev->data->dev_link.link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
1227 dev->data->dev_link.link_status =
1228 dev_info->sm_down ? RTE_ETH_LINK_DOWN : RTE_ETH_LINK_UP;
1229 dev->data->dev_link.link_autoneg = RTE_ETH_LINK_FIXED;
1230
1231 return 0;
1232 }
1233
fm10k_xstats_get_names(__rte_unused struct rte_eth_dev * dev,struct rte_eth_xstat_name * xstats_names,__rte_unused unsigned limit)1234 static int fm10k_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1235 struct rte_eth_xstat_name *xstats_names, __rte_unused unsigned limit)
1236 {
1237 unsigned i, q;
1238 unsigned count = 0;
1239
1240 if (xstats_names != NULL) {
1241 /* Note: limit checked in rte_eth_xstats_names() */
1242
1243 /* Global stats */
1244 for (i = 0; i < FM10K_NB_HW_XSTATS; i++) {
1245 snprintf(xstats_names[count].name,
1246 sizeof(xstats_names[count].name),
1247 "%s", fm10k_hw_stats_strings[count].name);
1248 count++;
1249 }
1250
1251 /* PF queue stats */
1252 for (q = 0; q < FM10K_MAX_QUEUES_PF; q++) {
1253 for (i = 0; i < FM10K_NB_RX_Q_XSTATS; i++) {
1254 snprintf(xstats_names[count].name,
1255 sizeof(xstats_names[count].name),
1256 "rx_q%u_%s", q,
1257 fm10k_hw_stats_rx_q_strings[i].name);
1258 count++;
1259 }
1260 for (i = 0; i < FM10K_NB_TX_Q_XSTATS; i++) {
1261 snprintf(xstats_names[count].name,
1262 sizeof(xstats_names[count].name),
1263 "tx_q%u_%s", q,
1264 fm10k_hw_stats_tx_q_strings[i].name);
1265 count++;
1266 }
1267 }
1268 }
1269 return FM10K_NB_XSTATS;
1270 }
1271
1272 static int
fm10k_xstats_get(struct rte_eth_dev * dev,struct rte_eth_xstat * xstats,unsigned n)1273 fm10k_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1274 unsigned n)
1275 {
1276 struct fm10k_hw_stats *hw_stats =
1277 FM10K_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1278 unsigned i, q, count = 0;
1279
1280 if (n < FM10K_NB_XSTATS)
1281 return FM10K_NB_XSTATS;
1282
1283 /* Global stats */
1284 for (i = 0; i < FM10K_NB_HW_XSTATS; i++) {
1285 xstats[count].value = *(uint64_t *)(((char *)hw_stats) +
1286 fm10k_hw_stats_strings[count].offset);
1287 xstats[count].id = count;
1288 count++;
1289 }
1290
1291 /* PF queue stats */
1292 for (q = 0; q < FM10K_MAX_QUEUES_PF; q++) {
1293 for (i = 0; i < FM10K_NB_RX_Q_XSTATS; i++) {
1294 xstats[count].value =
1295 *(uint64_t *)(((char *)&hw_stats->q[q]) +
1296 fm10k_hw_stats_rx_q_strings[i].offset);
1297 xstats[count].id = count;
1298 count++;
1299 }
1300 for (i = 0; i < FM10K_NB_TX_Q_XSTATS; i++) {
1301 xstats[count].value =
1302 *(uint64_t *)(((char *)&hw_stats->q[q]) +
1303 fm10k_hw_stats_tx_q_strings[i].offset);
1304 xstats[count].id = count;
1305 count++;
1306 }
1307 }
1308
1309 return FM10K_NB_XSTATS;
1310 }
1311
1312 static int
fm10k_stats_get(struct rte_eth_dev * dev,struct rte_eth_stats * stats)1313 fm10k_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1314 {
1315 uint64_t ipackets, opackets, ibytes, obytes, imissed;
1316 struct fm10k_hw *hw =
1317 FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1318 struct fm10k_hw_stats *hw_stats =
1319 FM10K_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1320 int i;
1321
1322 PMD_INIT_FUNC_TRACE();
1323
1324 fm10k_update_hw_stats(hw, hw_stats);
1325
1326 ipackets = opackets = ibytes = obytes = imissed = 0;
1327 for (i = 0; (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) &&
1328 (i < hw->mac.max_queues); ++i) {
1329 stats->q_ipackets[i] = hw_stats->q[i].rx_packets.count;
1330 stats->q_opackets[i] = hw_stats->q[i].tx_packets.count;
1331 stats->q_ibytes[i] = hw_stats->q[i].rx_bytes.count;
1332 stats->q_obytes[i] = hw_stats->q[i].tx_bytes.count;
1333 stats->q_errors[i] = hw_stats->q[i].rx_drops.count;
1334 ipackets += stats->q_ipackets[i];
1335 opackets += stats->q_opackets[i];
1336 ibytes += stats->q_ibytes[i];
1337 obytes += stats->q_obytes[i];
1338 imissed += stats->q_errors[i];
1339 }
1340 stats->ipackets = ipackets;
1341 stats->opackets = opackets;
1342 stats->ibytes = ibytes;
1343 stats->obytes = obytes;
1344 stats->imissed = imissed;
1345 return 0;
1346 }
1347
1348 static int
fm10k_stats_reset(struct rte_eth_dev * dev)1349 fm10k_stats_reset(struct rte_eth_dev *dev)
1350 {
1351 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1352 struct fm10k_hw_stats *hw_stats =
1353 FM10K_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1354
1355 PMD_INIT_FUNC_TRACE();
1356
1357 memset(hw_stats, 0, sizeof(*hw_stats));
1358 fm10k_rebind_hw_stats(hw, hw_stats);
1359
1360 return 0;
1361 }
1362
1363 static int
fm10k_dev_infos_get(struct rte_eth_dev * dev,struct rte_eth_dev_info * dev_info)1364 fm10k_dev_infos_get(struct rte_eth_dev *dev,
1365 struct rte_eth_dev_info *dev_info)
1366 {
1367 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1368 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(dev);
1369
1370 PMD_INIT_FUNC_TRACE();
1371
1372 dev_info->min_rx_bufsize = FM10K_MIN_RX_BUF_SIZE;
1373 dev_info->max_rx_pktlen = FM10K_MAX_PKT_SIZE;
1374 dev_info->max_rx_queues = hw->mac.max_queues;
1375 dev_info->max_tx_queues = hw->mac.max_queues;
1376 dev_info->max_mac_addrs = FM10K_MAX_MACADDR_NUM;
1377 dev_info->max_hash_mac_addrs = 0;
1378 dev_info->max_vfs = pdev->max_vfs;
1379 dev_info->vmdq_pool_base = 0;
1380 dev_info->vmdq_queue_base = 0;
1381 dev_info->max_vmdq_pools = RTE_ETH_32_POOLS;
1382 dev_info->vmdq_queue_num = FM10K_MAX_QUEUES_PF;
1383 dev_info->rx_queue_offload_capa = fm10k_get_rx_queue_offloads_capa(dev);
1384 dev_info->rx_offload_capa = fm10k_get_rx_port_offloads_capa(dev) |
1385 dev_info->rx_queue_offload_capa;
1386 dev_info->tx_queue_offload_capa = fm10k_get_tx_queue_offloads_capa(dev);
1387 dev_info->tx_offload_capa = fm10k_get_tx_port_offloads_capa(dev) |
1388 dev_info->tx_queue_offload_capa;
1389
1390 dev_info->hash_key_size = FM10K_RSSRK_SIZE * sizeof(uint32_t);
1391 dev_info->reta_size = FM10K_MAX_RSS_INDICES;
1392 dev_info->flow_type_rss_offloads = RTE_ETH_RSS_IPV4 |
1393 RTE_ETH_RSS_IPV6 |
1394 RTE_ETH_RSS_IPV6_EX |
1395 RTE_ETH_RSS_NONFRAG_IPV4_TCP |
1396 RTE_ETH_RSS_NONFRAG_IPV6_TCP |
1397 RTE_ETH_RSS_IPV6_TCP_EX |
1398 RTE_ETH_RSS_NONFRAG_IPV4_UDP |
1399 RTE_ETH_RSS_NONFRAG_IPV6_UDP |
1400 RTE_ETH_RSS_IPV6_UDP_EX;
1401
1402 dev_info->default_rxconf = (struct rte_eth_rxconf) {
1403 .rx_thresh = {
1404 .pthresh = FM10K_DEFAULT_RX_PTHRESH,
1405 .hthresh = FM10K_DEFAULT_RX_HTHRESH,
1406 .wthresh = FM10K_DEFAULT_RX_WTHRESH,
1407 },
1408 .rx_free_thresh = FM10K_RX_FREE_THRESH_DEFAULT(0),
1409 .rx_drop_en = 0,
1410 .offloads = 0,
1411 };
1412
1413 dev_info->default_txconf = (struct rte_eth_txconf) {
1414 .tx_thresh = {
1415 .pthresh = FM10K_DEFAULT_TX_PTHRESH,
1416 .hthresh = FM10K_DEFAULT_TX_HTHRESH,
1417 .wthresh = FM10K_DEFAULT_TX_WTHRESH,
1418 },
1419 .tx_free_thresh = FM10K_TX_FREE_THRESH_DEFAULT(0),
1420 .tx_rs_thresh = FM10K_TX_RS_THRESH_DEFAULT(0),
1421 .offloads = 0,
1422 };
1423
1424 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
1425 .nb_max = FM10K_MAX_RX_DESC,
1426 .nb_min = FM10K_MIN_RX_DESC,
1427 .nb_align = FM10K_MULT_RX_DESC,
1428 };
1429
1430 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
1431 .nb_max = FM10K_MAX_TX_DESC,
1432 .nb_min = FM10K_MIN_TX_DESC,
1433 .nb_align = FM10K_MULT_TX_DESC,
1434 .nb_seg_max = FM10K_TX_MAX_SEG,
1435 .nb_mtu_seg_max = FM10K_TX_MAX_MTU_SEG,
1436 };
1437
1438 dev_info->speed_capa = RTE_ETH_LINK_SPEED_1G | RTE_ETH_LINK_SPEED_2_5G |
1439 RTE_ETH_LINK_SPEED_10G | RTE_ETH_LINK_SPEED_25G |
1440 RTE_ETH_LINK_SPEED_40G | RTE_ETH_LINK_SPEED_100G;
1441
1442 return 0;
1443 }
1444
1445 #ifdef RTE_LIBRTE_FM10K_RX_OLFLAGS_ENABLE
1446 static const uint32_t *
fm10k_dev_supported_ptypes_get(struct rte_eth_dev * dev)1447 fm10k_dev_supported_ptypes_get(struct rte_eth_dev *dev)
1448 {
1449 if (dev->rx_pkt_burst == fm10k_recv_pkts ||
1450 dev->rx_pkt_burst == fm10k_recv_scattered_pkts) {
1451 static uint32_t ptypes[] = {
1452 /* refers to rx_desc_to_ol_flags() */
1453 RTE_PTYPE_L2_ETHER,
1454 RTE_PTYPE_L3_IPV4,
1455 RTE_PTYPE_L3_IPV4_EXT,
1456 RTE_PTYPE_L3_IPV6,
1457 RTE_PTYPE_L3_IPV6_EXT,
1458 RTE_PTYPE_L4_TCP,
1459 RTE_PTYPE_L4_UDP,
1460 RTE_PTYPE_UNKNOWN
1461 };
1462
1463 return ptypes;
1464 } else if (dev->rx_pkt_burst == fm10k_recv_pkts_vec ||
1465 dev->rx_pkt_burst == fm10k_recv_scattered_pkts_vec) {
1466 static uint32_t ptypes_vec[] = {
1467 /* refers to fm10k_desc_to_pktype_v() */
1468 RTE_PTYPE_L3_IPV4,
1469 RTE_PTYPE_L3_IPV4_EXT,
1470 RTE_PTYPE_L3_IPV6,
1471 RTE_PTYPE_L3_IPV6_EXT,
1472 RTE_PTYPE_L4_TCP,
1473 RTE_PTYPE_L4_UDP,
1474 RTE_PTYPE_TUNNEL_GENEVE,
1475 RTE_PTYPE_TUNNEL_NVGRE,
1476 RTE_PTYPE_TUNNEL_VXLAN,
1477 RTE_PTYPE_TUNNEL_GRE,
1478 RTE_PTYPE_UNKNOWN
1479 };
1480
1481 return ptypes_vec;
1482 }
1483
1484 return NULL;
1485 }
1486 #else
1487 static const uint32_t *
fm10k_dev_supported_ptypes_get(struct rte_eth_dev * dev __rte_unused)1488 fm10k_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
1489 {
1490 return NULL;
1491 }
1492 #endif
1493
1494 static int
fm10k_vlan_filter_set(struct rte_eth_dev * dev,uint16_t vlan_id,int on)1495 fm10k_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1496 {
1497 s32 result;
1498 uint16_t mac_num = 0;
1499 uint32_t vid_idx, vid_bit, mac_index;
1500 struct fm10k_hw *hw;
1501 struct fm10k_macvlan_filter_info *macvlan;
1502 struct rte_eth_dev_data *data = dev->data;
1503
1504 hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1505 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1506
1507 if (macvlan->nb_queue_pools > 0) { /* VMDQ mode */
1508 PMD_INIT_LOG(ERR, "Cannot change VLAN filter in VMDQ mode");
1509 return -EINVAL;
1510 }
1511
1512 if (vlan_id > RTE_ETH_VLAN_ID_MAX) {
1513 PMD_INIT_LOG(ERR, "Invalid vlan_id: must be < 4096");
1514 return -EINVAL;
1515 }
1516
1517 vid_idx = FM10K_VFTA_IDX(vlan_id);
1518 vid_bit = FM10K_VFTA_BIT(vlan_id);
1519 /* this VLAN ID is already in the VLAN filter table, return SUCCESS */
1520 if (on && (macvlan->vfta[vid_idx] & vid_bit))
1521 return 0;
1522 /* this VLAN ID is NOT in the VLAN filter table, cannot remove */
1523 if (!on && !(macvlan->vfta[vid_idx] & vid_bit)) {
1524 PMD_INIT_LOG(ERR, "Invalid vlan_id: not existing "
1525 "in the VLAN filter table");
1526 return -EINVAL;
1527 }
1528
1529 fm10k_mbx_lock(hw);
1530 result = fm10k_update_vlan(hw, vlan_id, 0, on);
1531 fm10k_mbx_unlock(hw);
1532 if (result != FM10K_SUCCESS) {
1533 PMD_INIT_LOG(ERR, "VLAN update failed: %d", result);
1534 return -EIO;
1535 }
1536
1537 for (mac_index = 0; (mac_index < FM10K_MAX_MACADDR_NUM) &&
1538 (result == FM10K_SUCCESS); mac_index++) {
1539 if (rte_is_zero_ether_addr(&data->mac_addrs[mac_index]))
1540 continue;
1541 if (mac_num > macvlan->mac_num - 1) {
1542 PMD_INIT_LOG(ERR, "MAC address number "
1543 "not match");
1544 break;
1545 }
1546 fm10k_mbx_lock(hw);
1547 result = fm10k_update_uc_addr(hw, hw->mac.dglort_map,
1548 data->mac_addrs[mac_index].addr_bytes,
1549 vlan_id, on, 0);
1550 fm10k_mbx_unlock(hw);
1551 mac_num++;
1552 }
1553 if (result != FM10K_SUCCESS) {
1554 PMD_INIT_LOG(ERR, "MAC address update failed: %d", result);
1555 return -EIO;
1556 }
1557
1558 if (on) {
1559 macvlan->vlan_num++;
1560 macvlan->vfta[vid_idx] |= vid_bit;
1561 } else {
1562 macvlan->vlan_num--;
1563 macvlan->vfta[vid_idx] &= ~vid_bit;
1564 }
1565 return 0;
1566 }
1567
1568 static int
fm10k_vlan_offload_set(struct rte_eth_dev * dev __rte_unused,int mask __rte_unused)1569 fm10k_vlan_offload_set(struct rte_eth_dev *dev __rte_unused,
1570 int mask __rte_unused)
1571 {
1572 return 0;
1573 }
1574
1575 /* Add/Remove a MAC address, and update filters to main VSI */
fm10k_MAC_filter_set_main_vsi(struct rte_eth_dev * dev,const u8 * mac,bool add,uint32_t pool)1576 static void fm10k_MAC_filter_set_main_vsi(struct rte_eth_dev *dev,
1577 const u8 *mac, bool add, uint32_t pool)
1578 {
1579 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1580 struct fm10k_macvlan_filter_info *macvlan;
1581 uint32_t i, j, k;
1582
1583 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1584
1585 if (pool != MAIN_VSI_POOL_NUMBER) {
1586 PMD_DRV_LOG(ERR, "VMDQ not enabled, can't set "
1587 "mac to pool %u", pool);
1588 return;
1589 }
1590 for (i = 0, j = 0; j < FM10K_VFTA_SIZE; j++) {
1591 if (!macvlan->vfta[j])
1592 continue;
1593 for (k = 0; k < FM10K_UINT32_BIT_SIZE; k++) {
1594 if (!(macvlan->vfta[j] & (1 << k)))
1595 continue;
1596 if (i + 1 > macvlan->vlan_num) {
1597 PMD_INIT_LOG(ERR, "vlan number not match");
1598 return;
1599 }
1600 fm10k_mbx_lock(hw);
1601 fm10k_update_uc_addr(hw, hw->mac.dglort_map, mac,
1602 j * FM10K_UINT32_BIT_SIZE + k, add, 0);
1603 fm10k_mbx_unlock(hw);
1604 i++;
1605 }
1606 }
1607 }
1608
1609 /* Add/Remove a MAC address, and update filters to VMDQ */
fm10k_MAC_filter_set_vmdq(struct rte_eth_dev * dev,const u8 * mac,bool add,uint32_t pool)1610 static void fm10k_MAC_filter_set_vmdq(struct rte_eth_dev *dev,
1611 const u8 *mac, bool add, uint32_t pool)
1612 {
1613 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1614 struct fm10k_macvlan_filter_info *macvlan;
1615 struct rte_eth_vmdq_rx_conf *vmdq_conf;
1616 uint32_t i;
1617
1618 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1619 vmdq_conf = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
1620
1621 if (pool > macvlan->nb_queue_pools) {
1622 PMD_DRV_LOG(ERR, "Pool number %u invalid."
1623 " Max pool is %u",
1624 pool, macvlan->nb_queue_pools);
1625 return;
1626 }
1627 for (i = 0; i < vmdq_conf->nb_pool_maps; i++) {
1628 if (!(vmdq_conf->pool_map[i].pools & (1UL << pool)))
1629 continue;
1630 fm10k_mbx_lock(hw);
1631 fm10k_update_uc_addr(hw, hw->mac.dglort_map + pool, mac,
1632 vmdq_conf->pool_map[i].vlan_id, add, 0);
1633 fm10k_mbx_unlock(hw);
1634 }
1635 }
1636
1637 /* Add/Remove a MAC address, and update filters */
fm10k_MAC_filter_set(struct rte_eth_dev * dev,const u8 * mac,bool add,uint32_t pool)1638 static void fm10k_MAC_filter_set(struct rte_eth_dev *dev,
1639 const u8 *mac, bool add, uint32_t pool)
1640 {
1641 struct fm10k_macvlan_filter_info *macvlan;
1642
1643 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1644
1645 if (macvlan->nb_queue_pools > 0) /* VMDQ mode */
1646 fm10k_MAC_filter_set_vmdq(dev, mac, add, pool);
1647 else
1648 fm10k_MAC_filter_set_main_vsi(dev, mac, add, pool);
1649
1650 if (add)
1651 macvlan->mac_num++;
1652 else
1653 macvlan->mac_num--;
1654 }
1655
1656 /* Add a MAC address, and update filters */
1657 static int
fm10k_macaddr_add(struct rte_eth_dev * dev,struct rte_ether_addr * mac_addr,uint32_t index,uint32_t pool)1658 fm10k_macaddr_add(struct rte_eth_dev *dev,
1659 struct rte_ether_addr *mac_addr,
1660 uint32_t index,
1661 uint32_t pool)
1662 {
1663 struct fm10k_macvlan_filter_info *macvlan;
1664
1665 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1666 fm10k_MAC_filter_set(dev, mac_addr->addr_bytes, TRUE, pool);
1667 macvlan->mac_vmdq_id[index] = pool;
1668 return 0;
1669 }
1670
1671 /* Remove a MAC address, and update filters */
1672 static void
fm10k_macaddr_remove(struct rte_eth_dev * dev,uint32_t index)1673 fm10k_macaddr_remove(struct rte_eth_dev *dev, uint32_t index)
1674 {
1675 struct rte_eth_dev_data *data = dev->data;
1676 struct fm10k_macvlan_filter_info *macvlan;
1677
1678 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1679 fm10k_MAC_filter_set(dev, data->mac_addrs[index].addr_bytes,
1680 FALSE, macvlan->mac_vmdq_id[index]);
1681 macvlan->mac_vmdq_id[index] = 0;
1682 }
1683
1684 static inline int
check_nb_desc(uint16_t min,uint16_t max,uint16_t mult,uint16_t request)1685 check_nb_desc(uint16_t min, uint16_t max, uint16_t mult, uint16_t request)
1686 {
1687 if ((request < min) || (request > max) || ((request % mult) != 0))
1688 return -1;
1689 else
1690 return 0;
1691 }
1692
1693
1694 static inline int
check_thresh(uint16_t min,uint16_t max,uint16_t div,uint16_t request)1695 check_thresh(uint16_t min, uint16_t max, uint16_t div, uint16_t request)
1696 {
1697 if ((request < min) || (request > max) || ((div % request) != 0))
1698 return -1;
1699 else
1700 return 0;
1701 }
1702
1703 static inline int
handle_rxconf(struct fm10k_rx_queue * q,const struct rte_eth_rxconf * conf)1704 handle_rxconf(struct fm10k_rx_queue *q, const struct rte_eth_rxconf *conf)
1705 {
1706 uint16_t rx_free_thresh;
1707
1708 if (conf->rx_free_thresh == 0)
1709 rx_free_thresh = FM10K_RX_FREE_THRESH_DEFAULT(q);
1710 else
1711 rx_free_thresh = conf->rx_free_thresh;
1712
1713 /* make sure the requested threshold satisfies the constraints */
1714 if (check_thresh(FM10K_RX_FREE_THRESH_MIN(q),
1715 FM10K_RX_FREE_THRESH_MAX(q),
1716 FM10K_RX_FREE_THRESH_DIV(q),
1717 rx_free_thresh)) {
1718 PMD_INIT_LOG(ERR, "rx_free_thresh (%u) must be "
1719 "less than or equal to %u, "
1720 "greater than or equal to %u, "
1721 "and a divisor of %u",
1722 rx_free_thresh, FM10K_RX_FREE_THRESH_MAX(q),
1723 FM10K_RX_FREE_THRESH_MIN(q),
1724 FM10K_RX_FREE_THRESH_DIV(q));
1725 return -EINVAL;
1726 }
1727
1728 q->alloc_thresh = rx_free_thresh;
1729 q->drop_en = conf->rx_drop_en;
1730 q->rx_deferred_start = conf->rx_deferred_start;
1731
1732 return 0;
1733 }
1734
1735 /*
1736 * Hardware requires specific alignment for Rx packet buffers. At
1737 * least one of the following two conditions must be satisfied.
1738 * 1. Address is 512B aligned
1739 * 2. Address is 8B aligned and buffer does not cross 4K boundary.
1740 *
1741 * As such, the driver may need to adjust the DMA address within the
1742 * buffer by up to 512B.
1743 *
1744 * return 1 if the element size is valid, otherwise return 0.
1745 */
1746 static int
mempool_element_size_valid(struct rte_mempool * mp)1747 mempool_element_size_valid(struct rte_mempool *mp)
1748 {
1749 uint32_t min_size;
1750
1751 /* elt_size includes mbuf header and headroom */
1752 min_size = mp->elt_size - sizeof(struct rte_mbuf) -
1753 RTE_PKTMBUF_HEADROOM;
1754
1755 /* account for up to 512B of alignment */
1756 min_size -= FM10K_RX_DATABUF_ALIGN;
1757
1758 /* sanity check for overflow */
1759 if (min_size > mp->elt_size)
1760 return 0;
1761
1762 /* size is valid */
1763 return 1;
1764 }
1765
fm10k_get_rx_queue_offloads_capa(struct rte_eth_dev * dev)1766 static uint64_t fm10k_get_rx_queue_offloads_capa(struct rte_eth_dev *dev)
1767 {
1768 RTE_SET_USED(dev);
1769
1770 return (uint64_t)(RTE_ETH_RX_OFFLOAD_SCATTER);
1771 }
1772
fm10k_get_rx_port_offloads_capa(struct rte_eth_dev * dev)1773 static uint64_t fm10k_get_rx_port_offloads_capa(struct rte_eth_dev *dev)
1774 {
1775 RTE_SET_USED(dev);
1776
1777 return (uint64_t)(RTE_ETH_RX_OFFLOAD_VLAN_STRIP |
1778 RTE_ETH_RX_OFFLOAD_VLAN_FILTER |
1779 RTE_ETH_RX_OFFLOAD_IPV4_CKSUM |
1780 RTE_ETH_RX_OFFLOAD_UDP_CKSUM |
1781 RTE_ETH_RX_OFFLOAD_TCP_CKSUM |
1782 RTE_ETH_RX_OFFLOAD_HEADER_SPLIT |
1783 RTE_ETH_RX_OFFLOAD_RSS_HASH);
1784 }
1785
1786 static int
fm10k_rx_queue_setup(struct rte_eth_dev * dev,uint16_t queue_id,uint16_t nb_desc,unsigned int socket_id,const struct rte_eth_rxconf * conf,struct rte_mempool * mp)1787 fm10k_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
1788 uint16_t nb_desc, unsigned int socket_id,
1789 const struct rte_eth_rxconf *conf, struct rte_mempool *mp)
1790 {
1791 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1792 struct fm10k_dev_info *dev_info =
1793 FM10K_DEV_PRIVATE_TO_INFO(dev->data->dev_private);
1794 struct fm10k_rx_queue *q;
1795 const struct rte_memzone *mz;
1796 uint64_t offloads;
1797
1798 PMD_INIT_FUNC_TRACE();
1799
1800 offloads = conf->offloads | dev->data->dev_conf.rxmode.offloads;
1801
1802 /* make sure the mempool element size can account for alignment. */
1803 if (!mempool_element_size_valid(mp)) {
1804 PMD_INIT_LOG(ERR, "Error : Mempool element size is too small");
1805 return -EINVAL;
1806 }
1807
1808 /* make sure a valid number of descriptors have been requested */
1809 if (check_nb_desc(FM10K_MIN_RX_DESC, FM10K_MAX_RX_DESC,
1810 FM10K_MULT_RX_DESC, nb_desc)) {
1811 PMD_INIT_LOG(ERR, "Number of Rx descriptors (%u) must be "
1812 "less than or equal to %"PRIu32", "
1813 "greater than or equal to %u, "
1814 "and a multiple of %u",
1815 nb_desc, (uint32_t)FM10K_MAX_RX_DESC, FM10K_MIN_RX_DESC,
1816 FM10K_MULT_RX_DESC);
1817 return -EINVAL;
1818 }
1819
1820 /*
1821 * if this queue existed already, free the associated memory. The
1822 * queue cannot be reused in case we need to allocate memory on
1823 * different socket than was previously used.
1824 */
1825 if (dev->data->rx_queues[queue_id] != NULL) {
1826 rx_queue_free(dev->data->rx_queues[queue_id]);
1827 dev->data->rx_queues[queue_id] = NULL;
1828 }
1829
1830 /* allocate memory for the queue structure */
1831 q = rte_zmalloc_socket("fm10k", sizeof(*q), RTE_CACHE_LINE_SIZE,
1832 socket_id);
1833 if (q == NULL) {
1834 PMD_INIT_LOG(ERR, "Cannot allocate queue structure");
1835 return -ENOMEM;
1836 }
1837
1838 /* setup queue */
1839 q->mp = mp;
1840 q->nb_desc = nb_desc;
1841 q->nb_fake_desc = FM10K_MULT_RX_DESC;
1842 q->port_id = dev->data->port_id;
1843 q->queue_id = queue_id;
1844 q->tail_ptr = (volatile uint32_t *)
1845 &((uint32_t *)hw->hw_addr)[FM10K_RDT(queue_id)];
1846 q->offloads = offloads;
1847 if (handle_rxconf(q, conf)) {
1848 rte_free(q);
1849 return -EINVAL;
1850 }
1851 /* allocate memory for the software ring */
1852 q->sw_ring = rte_zmalloc_socket("fm10k sw ring",
1853 (nb_desc + q->nb_fake_desc) * sizeof(struct rte_mbuf *),
1854 RTE_CACHE_LINE_SIZE, socket_id);
1855 if (q->sw_ring == NULL) {
1856 PMD_INIT_LOG(ERR, "Cannot allocate software ring");
1857 rte_free(q);
1858 return -ENOMEM;
1859 }
1860
1861 /*
1862 * allocate memory for the hardware descriptor ring. A memzone large
1863 * enough to hold the maximum ring size is requested to allow for
1864 * resizing in later calls to the queue setup function.
1865 */
1866 mz = rte_eth_dma_zone_reserve(dev, "rx_ring", queue_id,
1867 FM10K_MAX_RX_RING_SZ, FM10K_ALIGN_RX_DESC,
1868 socket_id);
1869 if (mz == NULL) {
1870 PMD_INIT_LOG(ERR, "Cannot allocate hardware ring");
1871 rte_free(q->sw_ring);
1872 rte_free(q);
1873 return -ENOMEM;
1874 }
1875 q->hw_ring = mz->addr;
1876 q->hw_ring_phys_addr = mz->iova;
1877
1878 /* Check if number of descs satisfied Vector requirement */
1879 if (!rte_is_power_of_2(nb_desc)) {
1880 PMD_INIT_LOG(DEBUG, "queue[%d] doesn't meet Vector Rx "
1881 "preconditions - canceling the feature for "
1882 "the whole port[%d]",
1883 q->queue_id, q->port_id);
1884 dev_info->rx_vec_allowed = false;
1885 } else
1886 fm10k_rxq_vec_setup(q);
1887
1888 dev->data->rx_queues[queue_id] = q;
1889 return 0;
1890 }
1891
1892 static void
fm10k_rx_queue_release(struct rte_eth_dev * dev,uint16_t qid)1893 fm10k_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
1894 {
1895 PMD_INIT_FUNC_TRACE();
1896
1897 rx_queue_free(dev->data->rx_queues[qid]);
1898 }
1899
1900 static inline int
handle_txconf(struct fm10k_tx_queue * q,const struct rte_eth_txconf * conf)1901 handle_txconf(struct fm10k_tx_queue *q, const struct rte_eth_txconf *conf)
1902 {
1903 uint16_t tx_free_thresh;
1904 uint16_t tx_rs_thresh;
1905
1906 /* constraint MACROs require that tx_free_thresh is configured
1907 * before tx_rs_thresh */
1908 if (conf->tx_free_thresh == 0)
1909 tx_free_thresh = FM10K_TX_FREE_THRESH_DEFAULT(q);
1910 else
1911 tx_free_thresh = conf->tx_free_thresh;
1912
1913 /* make sure the requested threshold satisfies the constraints */
1914 if (check_thresh(FM10K_TX_FREE_THRESH_MIN(q),
1915 FM10K_TX_FREE_THRESH_MAX(q),
1916 FM10K_TX_FREE_THRESH_DIV(q),
1917 tx_free_thresh)) {
1918 PMD_INIT_LOG(ERR, "tx_free_thresh (%u) must be "
1919 "less than or equal to %u, "
1920 "greater than or equal to %u, "
1921 "and a divisor of %u",
1922 tx_free_thresh, FM10K_TX_FREE_THRESH_MAX(q),
1923 FM10K_TX_FREE_THRESH_MIN(q),
1924 FM10K_TX_FREE_THRESH_DIV(q));
1925 return -EINVAL;
1926 }
1927
1928 q->free_thresh = tx_free_thresh;
1929
1930 if (conf->tx_rs_thresh == 0)
1931 tx_rs_thresh = FM10K_TX_RS_THRESH_DEFAULT(q);
1932 else
1933 tx_rs_thresh = conf->tx_rs_thresh;
1934
1935 q->tx_deferred_start = conf->tx_deferred_start;
1936
1937 /* make sure the requested threshold satisfies the constraints */
1938 if (check_thresh(FM10K_TX_RS_THRESH_MIN(q),
1939 FM10K_TX_RS_THRESH_MAX(q),
1940 FM10K_TX_RS_THRESH_DIV(q),
1941 tx_rs_thresh)) {
1942 PMD_INIT_LOG(ERR, "tx_rs_thresh (%u) must be "
1943 "less than or equal to %u, "
1944 "greater than or equal to %u, "
1945 "and a divisor of %u",
1946 tx_rs_thresh, FM10K_TX_RS_THRESH_MAX(q),
1947 FM10K_TX_RS_THRESH_MIN(q),
1948 FM10K_TX_RS_THRESH_DIV(q));
1949 return -EINVAL;
1950 }
1951
1952 q->rs_thresh = tx_rs_thresh;
1953
1954 return 0;
1955 }
1956
fm10k_get_tx_queue_offloads_capa(struct rte_eth_dev * dev)1957 static uint64_t fm10k_get_tx_queue_offloads_capa(struct rte_eth_dev *dev)
1958 {
1959 RTE_SET_USED(dev);
1960
1961 return 0;
1962 }
1963
fm10k_get_tx_port_offloads_capa(struct rte_eth_dev * dev)1964 static uint64_t fm10k_get_tx_port_offloads_capa(struct rte_eth_dev *dev)
1965 {
1966 RTE_SET_USED(dev);
1967
1968 return (uint64_t)(RTE_ETH_TX_OFFLOAD_VLAN_INSERT |
1969 RTE_ETH_TX_OFFLOAD_MULTI_SEGS |
1970 RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |
1971 RTE_ETH_TX_OFFLOAD_UDP_CKSUM |
1972 RTE_ETH_TX_OFFLOAD_TCP_CKSUM |
1973 RTE_ETH_TX_OFFLOAD_TCP_TSO);
1974 }
1975
1976 static int
fm10k_tx_queue_setup(struct rte_eth_dev * dev,uint16_t queue_id,uint16_t nb_desc,unsigned int socket_id,const struct rte_eth_txconf * conf)1977 fm10k_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
1978 uint16_t nb_desc, unsigned int socket_id,
1979 const struct rte_eth_txconf *conf)
1980 {
1981 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1982 struct fm10k_tx_queue *q;
1983 const struct rte_memzone *mz;
1984 uint64_t offloads;
1985
1986 PMD_INIT_FUNC_TRACE();
1987
1988 offloads = conf->offloads | dev->data->dev_conf.txmode.offloads;
1989
1990 /* make sure a valid number of descriptors have been requested */
1991 if (check_nb_desc(FM10K_MIN_TX_DESC, FM10K_MAX_TX_DESC,
1992 FM10K_MULT_TX_DESC, nb_desc)) {
1993 PMD_INIT_LOG(ERR, "Number of Tx descriptors (%u) must be "
1994 "less than or equal to %"PRIu32", "
1995 "greater than or equal to %u, "
1996 "and a multiple of %u",
1997 nb_desc, (uint32_t)FM10K_MAX_TX_DESC, FM10K_MIN_TX_DESC,
1998 FM10K_MULT_TX_DESC);
1999 return -EINVAL;
2000 }
2001
2002 /*
2003 * if this queue existed already, free the associated memory. The
2004 * queue cannot be reused in case we need to allocate memory on
2005 * different socket than was previously used.
2006 */
2007 if (dev->data->tx_queues[queue_id] != NULL) {
2008 struct fm10k_tx_queue *txq = dev->data->tx_queues[queue_id];
2009
2010 tx_queue_free(txq);
2011 dev->data->tx_queues[queue_id] = NULL;
2012 }
2013
2014 /* allocate memory for the queue structure */
2015 q = rte_zmalloc_socket("fm10k", sizeof(*q), RTE_CACHE_LINE_SIZE,
2016 socket_id);
2017 if (q == NULL) {
2018 PMD_INIT_LOG(ERR, "Cannot allocate queue structure");
2019 return -ENOMEM;
2020 }
2021
2022 /* setup queue */
2023 q->nb_desc = nb_desc;
2024 q->port_id = dev->data->port_id;
2025 q->queue_id = queue_id;
2026 q->offloads = offloads;
2027 q->ops = &def_txq_ops;
2028 q->tail_ptr = (volatile uint32_t *)
2029 &((uint32_t *)hw->hw_addr)[FM10K_TDT(queue_id)];
2030 if (handle_txconf(q, conf)) {
2031 rte_free(q);
2032 return -EINVAL;
2033 }
2034
2035 /* allocate memory for the software ring */
2036 q->sw_ring = rte_zmalloc_socket("fm10k sw ring",
2037 nb_desc * sizeof(struct rte_mbuf *),
2038 RTE_CACHE_LINE_SIZE, socket_id);
2039 if (q->sw_ring == NULL) {
2040 PMD_INIT_LOG(ERR, "Cannot allocate software ring");
2041 rte_free(q);
2042 return -ENOMEM;
2043 }
2044
2045 /*
2046 * allocate memory for the hardware descriptor ring. A memzone large
2047 * enough to hold the maximum ring size is requested to allow for
2048 * resizing in later calls to the queue setup function.
2049 */
2050 mz = rte_eth_dma_zone_reserve(dev, "tx_ring", queue_id,
2051 FM10K_MAX_TX_RING_SZ, FM10K_ALIGN_TX_DESC,
2052 socket_id);
2053 if (mz == NULL) {
2054 PMD_INIT_LOG(ERR, "Cannot allocate hardware ring");
2055 rte_free(q->sw_ring);
2056 rte_free(q);
2057 return -ENOMEM;
2058 }
2059 q->hw_ring = mz->addr;
2060 q->hw_ring_phys_addr = mz->iova;
2061
2062 /*
2063 * allocate memory for the RS bit tracker. Enough slots to hold the
2064 * descriptor index for each RS bit needing to be set are required.
2065 */
2066 q->rs_tracker.list = rte_zmalloc_socket("fm10k rs tracker",
2067 ((nb_desc + 1) / q->rs_thresh) *
2068 sizeof(uint16_t),
2069 RTE_CACHE_LINE_SIZE, socket_id);
2070 if (q->rs_tracker.list == NULL) {
2071 PMD_INIT_LOG(ERR, "Cannot allocate RS bit tracker");
2072 rte_free(q->sw_ring);
2073 rte_free(q);
2074 return -ENOMEM;
2075 }
2076
2077 dev->data->tx_queues[queue_id] = q;
2078 return 0;
2079 }
2080
2081 static void
fm10k_tx_queue_release(struct rte_eth_dev * dev,uint16_t qid)2082 fm10k_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
2083 {
2084 struct fm10k_tx_queue *q = dev->data->tx_queues[qid];
2085 PMD_INIT_FUNC_TRACE();
2086
2087 tx_queue_free(q);
2088 }
2089
2090 static int
fm10k_reta_update(struct rte_eth_dev * dev,struct rte_eth_rss_reta_entry64 * reta_conf,uint16_t reta_size)2091 fm10k_reta_update(struct rte_eth_dev *dev,
2092 struct rte_eth_rss_reta_entry64 *reta_conf,
2093 uint16_t reta_size)
2094 {
2095 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2096 uint16_t i, j, idx, shift;
2097 uint8_t mask;
2098 uint32_t reta;
2099
2100 PMD_INIT_FUNC_TRACE();
2101
2102 if (reta_size > FM10K_MAX_RSS_INDICES) {
2103 PMD_INIT_LOG(ERR, "The size of hash lookup table configured "
2104 "(%d) doesn't match the number hardware can supported "
2105 "(%d)", reta_size, FM10K_MAX_RSS_INDICES);
2106 return -EINVAL;
2107 }
2108
2109 /*
2110 * Update Redirection Table RETA[n], n=0..31. The redirection table has
2111 * 128-entries in 32 registers
2112 */
2113 for (i = 0; i < FM10K_MAX_RSS_INDICES; i += CHARS_PER_UINT32) {
2114 idx = i / RTE_ETH_RETA_GROUP_SIZE;
2115 shift = i % RTE_ETH_RETA_GROUP_SIZE;
2116 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
2117 BIT_MASK_PER_UINT32);
2118 if (mask == 0)
2119 continue;
2120
2121 reta = 0;
2122 if (mask != BIT_MASK_PER_UINT32)
2123 reta = FM10K_READ_REG(hw, FM10K_RETA(0, i >> 2));
2124
2125 for (j = 0; j < CHARS_PER_UINT32; j++) {
2126 if (mask & (0x1 << j)) {
2127 if (mask != 0xF)
2128 reta &= ~(UINT8_MAX << CHAR_BIT * j);
2129 reta |= reta_conf[idx].reta[shift + j] <<
2130 (CHAR_BIT * j);
2131 }
2132 }
2133 FM10K_WRITE_REG(hw, FM10K_RETA(0, i >> 2), reta);
2134 }
2135
2136 return 0;
2137 }
2138
2139 static int
fm10k_reta_query(struct rte_eth_dev * dev,struct rte_eth_rss_reta_entry64 * reta_conf,uint16_t reta_size)2140 fm10k_reta_query(struct rte_eth_dev *dev,
2141 struct rte_eth_rss_reta_entry64 *reta_conf,
2142 uint16_t reta_size)
2143 {
2144 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2145 uint16_t i, j, idx, shift;
2146 uint8_t mask;
2147 uint32_t reta;
2148
2149 PMD_INIT_FUNC_TRACE();
2150
2151 if (reta_size < FM10K_MAX_RSS_INDICES) {
2152 PMD_INIT_LOG(ERR, "The size of hash lookup table configured "
2153 "(%d) doesn't match the number hardware can supported "
2154 "(%d)", reta_size, FM10K_MAX_RSS_INDICES);
2155 return -EINVAL;
2156 }
2157
2158 /*
2159 * Read Redirection Table RETA[n], n=0..31. The redirection table has
2160 * 128-entries in 32 registers
2161 */
2162 for (i = 0; i < FM10K_MAX_RSS_INDICES; i += CHARS_PER_UINT32) {
2163 idx = i / RTE_ETH_RETA_GROUP_SIZE;
2164 shift = i % RTE_ETH_RETA_GROUP_SIZE;
2165 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
2166 BIT_MASK_PER_UINT32);
2167 if (mask == 0)
2168 continue;
2169
2170 reta = FM10K_READ_REG(hw, FM10K_RETA(0, i >> 2));
2171 for (j = 0; j < CHARS_PER_UINT32; j++) {
2172 if (mask & (0x1 << j))
2173 reta_conf[idx].reta[shift + j] = ((reta >>
2174 CHAR_BIT * j) & UINT8_MAX);
2175 }
2176 }
2177
2178 return 0;
2179 }
2180
2181 static int
fm10k_rss_hash_update(struct rte_eth_dev * dev,struct rte_eth_rss_conf * rss_conf)2182 fm10k_rss_hash_update(struct rte_eth_dev *dev,
2183 struct rte_eth_rss_conf *rss_conf)
2184 {
2185 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2186 uint32_t *key = (uint32_t *)rss_conf->rss_key;
2187 uint32_t mrqc;
2188 uint64_t hf = rss_conf->rss_hf;
2189 int i;
2190
2191 PMD_INIT_FUNC_TRACE();
2192
2193 if (key && (rss_conf->rss_key_len < FM10K_RSSRK_SIZE *
2194 FM10K_RSSRK_ENTRIES_PER_REG))
2195 return -EINVAL;
2196
2197 if (hf == 0)
2198 return -EINVAL;
2199
2200 mrqc = 0;
2201 mrqc |= (hf & RTE_ETH_RSS_IPV4) ? FM10K_MRQC_IPV4 : 0;
2202 mrqc |= (hf & RTE_ETH_RSS_IPV6) ? FM10K_MRQC_IPV6 : 0;
2203 mrqc |= (hf & RTE_ETH_RSS_IPV6_EX) ? FM10K_MRQC_IPV6 : 0;
2204 mrqc |= (hf & RTE_ETH_RSS_NONFRAG_IPV4_TCP) ? FM10K_MRQC_TCP_IPV4 : 0;
2205 mrqc |= (hf & RTE_ETH_RSS_NONFRAG_IPV6_TCP) ? FM10K_MRQC_TCP_IPV6 : 0;
2206 mrqc |= (hf & RTE_ETH_RSS_IPV6_TCP_EX) ? FM10K_MRQC_TCP_IPV6 : 0;
2207 mrqc |= (hf & RTE_ETH_RSS_NONFRAG_IPV4_UDP) ? FM10K_MRQC_UDP_IPV4 : 0;
2208 mrqc |= (hf & RTE_ETH_RSS_NONFRAG_IPV6_UDP) ? FM10K_MRQC_UDP_IPV6 : 0;
2209 mrqc |= (hf & RTE_ETH_RSS_IPV6_UDP_EX) ? FM10K_MRQC_UDP_IPV6 : 0;
2210
2211 /* If the mapping doesn't fit any supported, return */
2212 if (mrqc == 0)
2213 return -EINVAL;
2214
2215 if (key != NULL)
2216 for (i = 0; i < FM10K_RSSRK_SIZE; ++i)
2217 FM10K_WRITE_REG(hw, FM10K_RSSRK(0, i), key[i]);
2218
2219 FM10K_WRITE_REG(hw, FM10K_MRQC(0), mrqc);
2220
2221 return 0;
2222 }
2223
2224 static int
fm10k_rss_hash_conf_get(struct rte_eth_dev * dev,struct rte_eth_rss_conf * rss_conf)2225 fm10k_rss_hash_conf_get(struct rte_eth_dev *dev,
2226 struct rte_eth_rss_conf *rss_conf)
2227 {
2228 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2229 uint32_t *key = (uint32_t *)rss_conf->rss_key;
2230 uint32_t mrqc;
2231 uint64_t hf;
2232 int i;
2233
2234 PMD_INIT_FUNC_TRACE();
2235
2236 if (key && (rss_conf->rss_key_len < FM10K_RSSRK_SIZE *
2237 FM10K_RSSRK_ENTRIES_PER_REG))
2238 return -EINVAL;
2239
2240 if (key != NULL)
2241 for (i = 0; i < FM10K_RSSRK_SIZE; ++i)
2242 key[i] = FM10K_READ_REG(hw, FM10K_RSSRK(0, i));
2243
2244 mrqc = FM10K_READ_REG(hw, FM10K_MRQC(0));
2245 hf = 0;
2246 hf |= (mrqc & FM10K_MRQC_IPV4) ? RTE_ETH_RSS_IPV4 : 0;
2247 hf |= (mrqc & FM10K_MRQC_IPV6) ? RTE_ETH_RSS_IPV6 : 0;
2248 hf |= (mrqc & FM10K_MRQC_IPV6) ? RTE_ETH_RSS_IPV6_EX : 0;
2249 hf |= (mrqc & FM10K_MRQC_TCP_IPV4) ? RTE_ETH_RSS_NONFRAG_IPV4_TCP : 0;
2250 hf |= (mrqc & FM10K_MRQC_TCP_IPV6) ? RTE_ETH_RSS_NONFRAG_IPV6_TCP : 0;
2251 hf |= (mrqc & FM10K_MRQC_TCP_IPV6) ? RTE_ETH_RSS_IPV6_TCP_EX : 0;
2252 hf |= (mrqc & FM10K_MRQC_UDP_IPV4) ? RTE_ETH_RSS_NONFRAG_IPV4_UDP : 0;
2253 hf |= (mrqc & FM10K_MRQC_UDP_IPV6) ? RTE_ETH_RSS_NONFRAG_IPV6_UDP : 0;
2254 hf |= (mrqc & FM10K_MRQC_UDP_IPV6) ? RTE_ETH_RSS_IPV6_UDP_EX : 0;
2255
2256 rss_conf->rss_hf = hf;
2257
2258 return 0;
2259 }
2260
2261 static void
fm10k_dev_enable_intr_pf(struct rte_eth_dev * dev)2262 fm10k_dev_enable_intr_pf(struct rte_eth_dev *dev)
2263 {
2264 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2265 uint32_t int_map = FM10K_INT_MAP_IMMEDIATE;
2266
2267 /* Bind all local non-queue interrupt to vector 0 */
2268 int_map |= FM10K_MISC_VEC_ID;
2269
2270 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_mailbox), int_map);
2271 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_pcie_fault), int_map);
2272 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_switch_up_down), int_map);
2273 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_switch_event), int_map);
2274 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_sram), int_map);
2275 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_vflr), int_map);
2276
2277 /* Enable misc causes */
2278 FM10K_WRITE_REG(hw, FM10K_EIMR, FM10K_EIMR_ENABLE(PCA_FAULT) |
2279 FM10K_EIMR_ENABLE(THI_FAULT) |
2280 FM10K_EIMR_ENABLE(FUM_FAULT) |
2281 FM10K_EIMR_ENABLE(MAILBOX) |
2282 FM10K_EIMR_ENABLE(SWITCHREADY) |
2283 FM10K_EIMR_ENABLE(SWITCHNOTREADY) |
2284 FM10K_EIMR_ENABLE(SRAMERROR) |
2285 FM10K_EIMR_ENABLE(VFLR));
2286
2287 /* Enable ITR 0 */
2288 FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_AUTOMASK |
2289 FM10K_ITR_MASK_CLEAR);
2290 FM10K_WRITE_FLUSH(hw);
2291 }
2292
2293 static void
fm10k_dev_disable_intr_pf(struct rte_eth_dev * dev)2294 fm10k_dev_disable_intr_pf(struct rte_eth_dev *dev)
2295 {
2296 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2297 uint32_t int_map = FM10K_INT_MAP_DISABLE;
2298
2299 int_map |= FM10K_MISC_VEC_ID;
2300
2301 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_mailbox), int_map);
2302 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_pcie_fault), int_map);
2303 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_switch_up_down), int_map);
2304 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_switch_event), int_map);
2305 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_sram), int_map);
2306 FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_vflr), int_map);
2307
2308 /* Disable misc causes */
2309 FM10K_WRITE_REG(hw, FM10K_EIMR, FM10K_EIMR_DISABLE(PCA_FAULT) |
2310 FM10K_EIMR_DISABLE(THI_FAULT) |
2311 FM10K_EIMR_DISABLE(FUM_FAULT) |
2312 FM10K_EIMR_DISABLE(MAILBOX) |
2313 FM10K_EIMR_DISABLE(SWITCHREADY) |
2314 FM10K_EIMR_DISABLE(SWITCHNOTREADY) |
2315 FM10K_EIMR_DISABLE(SRAMERROR) |
2316 FM10K_EIMR_DISABLE(VFLR));
2317
2318 /* Disable ITR 0 */
2319 FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_MASK_SET);
2320 FM10K_WRITE_FLUSH(hw);
2321 }
2322
2323 static void
fm10k_dev_enable_intr_vf(struct rte_eth_dev * dev)2324 fm10k_dev_enable_intr_vf(struct rte_eth_dev *dev)
2325 {
2326 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2327 uint32_t int_map = FM10K_INT_MAP_IMMEDIATE;
2328
2329 /* Bind all local non-queue interrupt to vector 0 */
2330 int_map |= FM10K_MISC_VEC_ID;
2331
2332 /* Only INT 0 available, other 15 are reserved. */
2333 FM10K_WRITE_REG(hw, FM10K_VFINT_MAP, int_map);
2334
2335 /* Enable ITR 0 */
2336 FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_AUTOMASK |
2337 FM10K_ITR_MASK_CLEAR);
2338 FM10K_WRITE_FLUSH(hw);
2339 }
2340
2341 static void
fm10k_dev_disable_intr_vf(struct rte_eth_dev * dev)2342 fm10k_dev_disable_intr_vf(struct rte_eth_dev *dev)
2343 {
2344 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2345 uint32_t int_map = FM10K_INT_MAP_DISABLE;
2346
2347 int_map |= FM10K_MISC_VEC_ID;
2348
2349 /* Only INT 0 available, other 15 are reserved. */
2350 FM10K_WRITE_REG(hw, FM10K_VFINT_MAP, int_map);
2351
2352 /* Disable ITR 0 */
2353 FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_MASK_SET);
2354 FM10K_WRITE_FLUSH(hw);
2355 }
2356
2357 static int
fm10k_dev_rx_queue_intr_enable(struct rte_eth_dev * dev,uint16_t queue_id)2358 fm10k_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
2359 {
2360 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2361 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(dev);
2362
2363 /* Enable ITR */
2364 if (hw->mac.type == fm10k_mac_pf)
2365 FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(pdev, queue_id)),
2366 FM10K_ITR_AUTOMASK | FM10K_ITR_MASK_CLEAR);
2367 else
2368 FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(pdev, queue_id)),
2369 FM10K_ITR_AUTOMASK | FM10K_ITR_MASK_CLEAR);
2370 rte_intr_ack(pdev->intr_handle);
2371 return 0;
2372 }
2373
2374 static int
fm10k_dev_rx_queue_intr_disable(struct rte_eth_dev * dev,uint16_t queue_id)2375 fm10k_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
2376 {
2377 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2378 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(dev);
2379
2380 /* Disable ITR */
2381 if (hw->mac.type == fm10k_mac_pf)
2382 FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(pdev, queue_id)),
2383 FM10K_ITR_MASK_SET);
2384 else
2385 FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(pdev, queue_id)),
2386 FM10K_ITR_MASK_SET);
2387 return 0;
2388 }
2389
2390 static int
fm10k_dev_rxq_interrupt_setup(struct rte_eth_dev * dev)2391 fm10k_dev_rxq_interrupt_setup(struct rte_eth_dev *dev)
2392 {
2393 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2394 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(dev);
2395 struct rte_intr_handle *intr_handle = pdev->intr_handle;
2396 uint32_t intr_vector, vec;
2397 uint16_t queue_id;
2398 int result = 0;
2399
2400 /* fm10k needs one separate interrupt for mailbox,
2401 * so only drivers which support multiple interrupt vectors
2402 * e.g. vfio-pci can work for fm10k interrupt mode
2403 */
2404 if (!rte_intr_cap_multiple(intr_handle) ||
2405 dev->data->dev_conf.intr_conf.rxq == 0)
2406 return result;
2407
2408 intr_vector = dev->data->nb_rx_queues;
2409
2410 /* disable interrupt first */
2411 rte_intr_disable(intr_handle);
2412 if (hw->mac.type == fm10k_mac_pf)
2413 fm10k_dev_disable_intr_pf(dev);
2414 else
2415 fm10k_dev_disable_intr_vf(dev);
2416
2417 if (rte_intr_efd_enable(intr_handle, intr_vector)) {
2418 PMD_INIT_LOG(ERR, "Failed to init event fd");
2419 result = -EIO;
2420 }
2421
2422 if (rte_intr_dp_is_en(intr_handle) && !result) {
2423 if (!rte_intr_vec_list_alloc(intr_handle, "intr_vec",
2424 dev->data->nb_rx_queues)) {
2425 for (queue_id = 0, vec = FM10K_RX_VEC_START;
2426 queue_id < dev->data->nb_rx_queues;
2427 queue_id++) {
2428 rte_intr_vec_list_index_set(intr_handle,
2429 queue_id, vec);
2430 int nb_efd =
2431 rte_intr_nb_efd_get(intr_handle);
2432 if (vec < (uint32_t)nb_efd - 1 +
2433 FM10K_RX_VEC_START)
2434 vec++;
2435 }
2436 } else {
2437 PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
2438 " intr_vec", dev->data->nb_rx_queues);
2439 rte_intr_efd_disable(intr_handle);
2440 result = -ENOMEM;
2441 }
2442 }
2443
2444 if (hw->mac.type == fm10k_mac_pf)
2445 fm10k_dev_enable_intr_pf(dev);
2446 else
2447 fm10k_dev_enable_intr_vf(dev);
2448 rte_intr_enable(intr_handle);
2449 hw->mac.ops.update_int_moderator(hw);
2450 return result;
2451 }
2452
2453 static int
fm10k_dev_handle_fault(struct fm10k_hw * hw,uint32_t eicr)2454 fm10k_dev_handle_fault(struct fm10k_hw *hw, uint32_t eicr)
2455 {
2456 struct fm10k_fault fault;
2457 int err;
2458 const char *estr = "Unknown error";
2459
2460 /* Process PCA fault */
2461 if (eicr & FM10K_EICR_PCA_FAULT) {
2462 err = fm10k_get_fault(hw, FM10K_PCA_FAULT, &fault);
2463 if (err)
2464 goto error;
2465 switch (fault.type) {
2466 case PCA_NO_FAULT:
2467 estr = "PCA_NO_FAULT"; break;
2468 case PCA_UNMAPPED_ADDR:
2469 estr = "PCA_UNMAPPED_ADDR"; break;
2470 case PCA_BAD_QACCESS_PF:
2471 estr = "PCA_BAD_QACCESS_PF"; break;
2472 case PCA_BAD_QACCESS_VF:
2473 estr = "PCA_BAD_QACCESS_VF"; break;
2474 case PCA_MALICIOUS_REQ:
2475 estr = "PCA_MALICIOUS_REQ"; break;
2476 case PCA_POISONED_TLP:
2477 estr = "PCA_POISONED_TLP"; break;
2478 case PCA_TLP_ABORT:
2479 estr = "PCA_TLP_ABORT"; break;
2480 default:
2481 goto error;
2482 }
2483 PMD_INIT_LOG(ERR, "%s: %s(%d) Addr:0x%"PRIx64" Spec: 0x%x",
2484 estr, fault.func ? "VF" : "PF", fault.func,
2485 fault.address, fault.specinfo);
2486 }
2487
2488 /* Process THI fault */
2489 if (eicr & FM10K_EICR_THI_FAULT) {
2490 err = fm10k_get_fault(hw, FM10K_THI_FAULT, &fault);
2491 if (err)
2492 goto error;
2493 switch (fault.type) {
2494 case THI_NO_FAULT:
2495 estr = "THI_NO_FAULT"; break;
2496 case THI_MAL_DIS_Q_FAULT:
2497 estr = "THI_MAL_DIS_Q_FAULT"; break;
2498 default:
2499 goto error;
2500 }
2501 PMD_INIT_LOG(ERR, "%s: %s(%d) Addr:0x%"PRIx64" Spec: 0x%x",
2502 estr, fault.func ? "VF" : "PF", fault.func,
2503 fault.address, fault.specinfo);
2504 }
2505
2506 /* Process FUM fault */
2507 if (eicr & FM10K_EICR_FUM_FAULT) {
2508 err = fm10k_get_fault(hw, FM10K_FUM_FAULT, &fault);
2509 if (err)
2510 goto error;
2511 switch (fault.type) {
2512 case FUM_NO_FAULT:
2513 estr = "FUM_NO_FAULT"; break;
2514 case FUM_UNMAPPED_ADDR:
2515 estr = "FUM_UNMAPPED_ADDR"; break;
2516 case FUM_POISONED_TLP:
2517 estr = "FUM_POISONED_TLP"; break;
2518 case FUM_BAD_VF_QACCESS:
2519 estr = "FUM_BAD_VF_QACCESS"; break;
2520 case FUM_ADD_DECODE_ERR:
2521 estr = "FUM_ADD_DECODE_ERR"; break;
2522 case FUM_RO_ERROR:
2523 estr = "FUM_RO_ERROR"; break;
2524 case FUM_QPRC_CRC_ERROR:
2525 estr = "FUM_QPRC_CRC_ERROR"; break;
2526 case FUM_CSR_TIMEOUT:
2527 estr = "FUM_CSR_TIMEOUT"; break;
2528 case FUM_INVALID_TYPE:
2529 estr = "FUM_INVALID_TYPE"; break;
2530 case FUM_INVALID_LENGTH:
2531 estr = "FUM_INVALID_LENGTH"; break;
2532 case FUM_INVALID_BE:
2533 estr = "FUM_INVALID_BE"; break;
2534 case FUM_INVALID_ALIGN:
2535 estr = "FUM_INVALID_ALIGN"; break;
2536 default:
2537 goto error;
2538 }
2539 PMD_INIT_LOG(ERR, "%s: %s(%d) Addr:0x%"PRIx64" Spec: 0x%x",
2540 estr, fault.func ? "VF" : "PF", fault.func,
2541 fault.address, fault.specinfo);
2542 }
2543
2544 return 0;
2545 error:
2546 PMD_INIT_LOG(ERR, "Failed to handle fault event.");
2547 return err;
2548 }
2549
2550 /**
2551 * PF interrupt handler triggered by NIC for handling specific interrupt.
2552 *
2553 * @param handle
2554 * Pointer to interrupt handle.
2555 * @param param
2556 * The address of parameter (struct rte_eth_dev *) registered before.
2557 *
2558 * @return
2559 * void
2560 */
2561 static void
fm10k_dev_interrupt_handler_pf(void * param)2562 fm10k_dev_interrupt_handler_pf(void *param)
2563 {
2564 struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2565 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2566 uint32_t cause, status;
2567 struct fm10k_dev_info *dev_info =
2568 FM10K_DEV_PRIVATE_TO_INFO(dev->data->dev_private);
2569 int status_mbx;
2570 s32 err;
2571
2572 if (hw->mac.type != fm10k_mac_pf)
2573 return;
2574
2575 cause = FM10K_READ_REG(hw, FM10K_EICR);
2576
2577 /* Handle PCI fault cases */
2578 if (cause & FM10K_EICR_FAULT_MASK) {
2579 PMD_INIT_LOG(ERR, "INT: find fault!");
2580 fm10k_dev_handle_fault(hw, cause);
2581 }
2582
2583 /* Handle switch up/down */
2584 if (cause & FM10K_EICR_SWITCHNOTREADY)
2585 PMD_INIT_LOG(ERR, "INT: Switch is not ready");
2586
2587 if (cause & FM10K_EICR_SWITCHREADY) {
2588 PMD_INIT_LOG(INFO, "INT: Switch is ready");
2589 if (dev_info->sm_down == 1) {
2590 fm10k_mbx_lock(hw);
2591
2592 /* For recreating logical ports */
2593 status_mbx = hw->mac.ops.update_lport_state(hw,
2594 hw->mac.dglort_map, MAX_LPORT_NUM, 1);
2595 if (status_mbx == FM10K_SUCCESS)
2596 PMD_INIT_LOG(INFO,
2597 "INT: Recreated Logical port");
2598 else
2599 PMD_INIT_LOG(INFO,
2600 "INT: Logical ports weren't recreated");
2601
2602 status_mbx = hw->mac.ops.update_xcast_mode(hw,
2603 hw->mac.dglort_map, FM10K_XCAST_MODE_NONE);
2604 if (status_mbx != FM10K_SUCCESS)
2605 PMD_INIT_LOG(ERR, "Failed to set XCAST mode");
2606
2607 fm10k_mbx_unlock(hw);
2608
2609 /* first clear the internal SW recording structure */
2610 if (!(dev->data->dev_conf.rxmode.mq_mode &
2611 RTE_ETH_MQ_RX_VMDQ_FLAG))
2612 fm10k_vlan_filter_set(dev, hw->mac.default_vid,
2613 false);
2614
2615 fm10k_MAC_filter_set(dev, hw->mac.addr, false,
2616 MAIN_VSI_POOL_NUMBER);
2617
2618 /*
2619 * Add default mac address and vlan for the logical
2620 * ports that have been created, leave to the
2621 * application to fully recover Rx filtering.
2622 */
2623 fm10k_MAC_filter_set(dev, hw->mac.addr, true,
2624 MAIN_VSI_POOL_NUMBER);
2625
2626 if (!(dev->data->dev_conf.rxmode.mq_mode &
2627 RTE_ETH_MQ_RX_VMDQ_FLAG))
2628 fm10k_vlan_filter_set(dev, hw->mac.default_vid,
2629 true);
2630
2631 dev_info->sm_down = 0;
2632 rte_eth_dev_callback_process(dev,
2633 RTE_ETH_EVENT_INTR_LSC,
2634 NULL);
2635 }
2636 }
2637
2638 /* Handle mailbox message */
2639 fm10k_mbx_lock(hw);
2640 err = hw->mbx.ops.process(hw, &hw->mbx);
2641 fm10k_mbx_unlock(hw);
2642
2643 if (err == FM10K_ERR_RESET_REQUESTED) {
2644 PMD_INIT_LOG(INFO, "INT: Switch is down");
2645 dev_info->sm_down = 1;
2646 rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
2647 }
2648
2649 /* Handle SRAM error */
2650 if (cause & FM10K_EICR_SRAMERROR) {
2651 PMD_INIT_LOG(ERR, "INT: SRAM error on PEP");
2652
2653 status = FM10K_READ_REG(hw, FM10K_SRAM_IP);
2654 /* Write to clear pending bits */
2655 FM10K_WRITE_REG(hw, FM10K_SRAM_IP, status);
2656
2657 /* Todo: print out error message after shared code updates */
2658 }
2659
2660 /* Clear these 3 events if having any */
2661 cause &= FM10K_EICR_SWITCHNOTREADY | FM10K_EICR_MAILBOX |
2662 FM10K_EICR_SWITCHREADY;
2663 if (cause)
2664 FM10K_WRITE_REG(hw, FM10K_EICR, cause);
2665
2666 /* Re-enable interrupt from device side */
2667 FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_AUTOMASK |
2668 FM10K_ITR_MASK_CLEAR);
2669 /* Re-enable interrupt from host side */
2670 rte_intr_ack(dev->intr_handle);
2671 }
2672
2673 /**
2674 * VF interrupt handler triggered by NIC for handling specific interrupt.
2675 *
2676 * @param handle
2677 * Pointer to interrupt handle.
2678 * @param param
2679 * The address of parameter (struct rte_eth_dev *) registered before.
2680 *
2681 * @return
2682 * void
2683 */
2684 static void
fm10k_dev_interrupt_handler_vf(void * param)2685 fm10k_dev_interrupt_handler_vf(void *param)
2686 {
2687 struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2688 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2689 struct fm10k_mbx_info *mbx = &hw->mbx;
2690 struct fm10k_dev_info *dev_info =
2691 FM10K_DEV_PRIVATE_TO_INFO(dev->data->dev_private);
2692 const enum fm10k_mbx_state state = mbx->state;
2693 int status_mbx;
2694
2695 if (hw->mac.type != fm10k_mac_vf)
2696 return;
2697
2698 /* Handle mailbox message if lock is acquired */
2699 fm10k_mbx_lock(hw);
2700 hw->mbx.ops.process(hw, &hw->mbx);
2701 fm10k_mbx_unlock(hw);
2702
2703 if (state == FM10K_STATE_OPEN && mbx->state == FM10K_STATE_CONNECT) {
2704 PMD_INIT_LOG(INFO, "INT: Switch has gone down");
2705
2706 fm10k_mbx_lock(hw);
2707 hw->mac.ops.update_lport_state(hw, hw->mac.dglort_map,
2708 MAX_LPORT_NUM, 1);
2709 fm10k_mbx_unlock(hw);
2710
2711 /* Setting reset flag */
2712 dev_info->sm_down = 1;
2713 rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
2714 }
2715
2716 if (dev_info->sm_down == 1 &&
2717 hw->mac.dglort_map == FM10K_DGLORTMAP_ZERO) {
2718 PMD_INIT_LOG(INFO, "INT: Switch has gone up");
2719 fm10k_mbx_lock(hw);
2720 status_mbx = hw->mac.ops.update_xcast_mode(hw,
2721 hw->mac.dglort_map, FM10K_XCAST_MODE_NONE);
2722 if (status_mbx != FM10K_SUCCESS)
2723 PMD_INIT_LOG(ERR, "Failed to set XCAST mode");
2724 fm10k_mbx_unlock(hw);
2725
2726 /* first clear the internal SW recording structure */
2727 fm10k_vlan_filter_set(dev, hw->mac.default_vid, false);
2728 fm10k_MAC_filter_set(dev, hw->mac.addr, false,
2729 MAIN_VSI_POOL_NUMBER);
2730
2731 /*
2732 * Add default mac address and vlan for the logical ports that
2733 * have been created, leave to the application to fully recover
2734 * Rx filtering.
2735 */
2736 fm10k_MAC_filter_set(dev, hw->mac.addr, true,
2737 MAIN_VSI_POOL_NUMBER);
2738 fm10k_vlan_filter_set(dev, hw->mac.default_vid, true);
2739
2740 dev_info->sm_down = 0;
2741 rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
2742 }
2743
2744 /* Re-enable interrupt from device side */
2745 FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_AUTOMASK |
2746 FM10K_ITR_MASK_CLEAR);
2747 /* Re-enable interrupt from host side */
2748 rte_intr_ack(dev->intr_handle);
2749 }
2750
2751 /* Mailbox message handler in VF */
2752 static const struct fm10k_msg_data fm10k_msgdata_vf[] = {
2753 FM10K_TLV_MSG_TEST_HANDLER(fm10k_tlv_msg_test),
2754 FM10K_VF_MSG_MAC_VLAN_HANDLER(fm10k_msg_mac_vlan_vf),
2755 FM10K_VF_MSG_LPORT_STATE_HANDLER(fm10k_msg_lport_state_vf),
2756 FM10K_TLV_MSG_ERROR_HANDLER(fm10k_tlv_msg_error),
2757 };
2758
2759 static int
fm10k_setup_mbx_service(struct fm10k_hw * hw)2760 fm10k_setup_mbx_service(struct fm10k_hw *hw)
2761 {
2762 int err = 0;
2763
2764 /* Initialize mailbox lock */
2765 fm10k_mbx_initlock(hw);
2766
2767 /* Replace default message handler with new ones */
2768 if (hw->mac.type == fm10k_mac_vf)
2769 err = hw->mbx.ops.register_handlers(&hw->mbx, fm10k_msgdata_vf);
2770
2771 if (err) {
2772 PMD_INIT_LOG(ERR, "Failed to register mailbox handler.err:%d",
2773 err);
2774 return err;
2775 }
2776 /* Connect to SM for PF device or PF for VF device */
2777 return hw->mbx.ops.connect(hw, &hw->mbx);
2778 }
2779
2780 static void
fm10k_close_mbx_service(struct fm10k_hw * hw)2781 fm10k_close_mbx_service(struct fm10k_hw *hw)
2782 {
2783 /* Disconnect from SM for PF device or PF for VF device */
2784 hw->mbx.ops.disconnect(hw, &hw->mbx);
2785 }
2786
2787 static int
fm10k_dev_close(struct rte_eth_dev * dev)2788 fm10k_dev_close(struct rte_eth_dev *dev)
2789 {
2790 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2791 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(dev);
2792 struct rte_intr_handle *intr_handle = pdev->intr_handle;
2793 int ret;
2794
2795 PMD_INIT_FUNC_TRACE();
2796 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2797 return 0;
2798
2799 fm10k_mbx_lock(hw);
2800 hw->mac.ops.update_lport_state(hw, hw->mac.dglort_map,
2801 MAX_LPORT_NUM, false);
2802 fm10k_mbx_unlock(hw);
2803
2804 /* allow 100ms for device to quiesce */
2805 rte_delay_us(FM10K_SWITCH_QUIESCE_US);
2806
2807 /* Stop mailbox service first */
2808 fm10k_close_mbx_service(hw);
2809
2810 ret = fm10k_dev_stop(dev);
2811
2812 fm10k_dev_queue_release(dev);
2813 fm10k_stop_hw(hw);
2814
2815 /* disable uio/vfio intr */
2816 rte_intr_disable(intr_handle);
2817
2818 /*PF/VF has different interrupt handling mechanism */
2819 if (hw->mac.type == fm10k_mac_pf) {
2820 /* disable interrupt */
2821 fm10k_dev_disable_intr_pf(dev);
2822
2823 /* unregister callback func to eal lib */
2824 rte_intr_callback_unregister(intr_handle,
2825 fm10k_dev_interrupt_handler_pf, (void *)dev);
2826 } else {
2827 /* disable interrupt */
2828 fm10k_dev_disable_intr_vf(dev);
2829
2830 rte_intr_callback_unregister(intr_handle,
2831 fm10k_dev_interrupt_handler_vf, (void *)dev);
2832 }
2833
2834 return ret;
2835 }
2836
2837 static const struct eth_dev_ops fm10k_eth_dev_ops = {
2838 .dev_configure = fm10k_dev_configure,
2839 .dev_start = fm10k_dev_start,
2840 .dev_stop = fm10k_dev_stop,
2841 .dev_close = fm10k_dev_close,
2842 .promiscuous_enable = fm10k_dev_promiscuous_enable,
2843 .promiscuous_disable = fm10k_dev_promiscuous_disable,
2844 .allmulticast_enable = fm10k_dev_allmulticast_enable,
2845 .allmulticast_disable = fm10k_dev_allmulticast_disable,
2846 .stats_get = fm10k_stats_get,
2847 .xstats_get = fm10k_xstats_get,
2848 .xstats_get_names = fm10k_xstats_get_names,
2849 .stats_reset = fm10k_stats_reset,
2850 .xstats_reset = fm10k_stats_reset,
2851 .link_update = fm10k_link_update,
2852 .dev_infos_get = fm10k_dev_infos_get,
2853 .dev_supported_ptypes_get = fm10k_dev_supported_ptypes_get,
2854 .vlan_filter_set = fm10k_vlan_filter_set,
2855 .vlan_offload_set = fm10k_vlan_offload_set,
2856 .mac_addr_add = fm10k_macaddr_add,
2857 .mac_addr_remove = fm10k_macaddr_remove,
2858 .rx_queue_start = fm10k_dev_rx_queue_start,
2859 .rx_queue_stop = fm10k_dev_rx_queue_stop,
2860 .tx_queue_start = fm10k_dev_tx_queue_start,
2861 .tx_queue_stop = fm10k_dev_tx_queue_stop,
2862 .rx_queue_setup = fm10k_rx_queue_setup,
2863 .rx_queue_release = fm10k_rx_queue_release,
2864 .tx_queue_setup = fm10k_tx_queue_setup,
2865 .tx_queue_release = fm10k_tx_queue_release,
2866 .rx_queue_intr_enable = fm10k_dev_rx_queue_intr_enable,
2867 .rx_queue_intr_disable = fm10k_dev_rx_queue_intr_disable,
2868 .reta_update = fm10k_reta_update,
2869 .reta_query = fm10k_reta_query,
2870 .rss_hash_update = fm10k_rss_hash_update,
2871 .rss_hash_conf_get = fm10k_rss_hash_conf_get,
2872 };
2873
ftag_check_handler(__rte_unused const char * key,const char * value,__rte_unused void * opaque)2874 static int ftag_check_handler(__rte_unused const char *key,
2875 const char *value, __rte_unused void *opaque)
2876 {
2877 if (strcmp(value, "1"))
2878 return -1;
2879
2880 return 0;
2881 }
2882
2883 static int
fm10k_check_ftag(struct rte_devargs * devargs)2884 fm10k_check_ftag(struct rte_devargs *devargs)
2885 {
2886 struct rte_kvargs *kvlist;
2887 const char *ftag_key = "enable_ftag";
2888
2889 if (devargs == NULL)
2890 return 0;
2891
2892 kvlist = rte_kvargs_parse(devargs->args, NULL);
2893 if (kvlist == NULL)
2894 return 0;
2895
2896 if (!rte_kvargs_count(kvlist, ftag_key)) {
2897 rte_kvargs_free(kvlist);
2898 return 0;
2899 }
2900 /* FTAG is enabled when there's key-value pair: enable_ftag=1 */
2901 if (rte_kvargs_process(kvlist, ftag_key,
2902 ftag_check_handler, NULL) < 0) {
2903 rte_kvargs_free(kvlist);
2904 return 0;
2905 }
2906 rte_kvargs_free(kvlist);
2907
2908 return 1;
2909 }
2910
2911 static uint16_t
fm10k_xmit_pkts_vec(void * tx_queue,struct rte_mbuf ** tx_pkts,uint16_t nb_pkts)2912 fm10k_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts,
2913 uint16_t nb_pkts)
2914 {
2915 uint16_t nb_tx = 0;
2916 struct fm10k_tx_queue *txq = (struct fm10k_tx_queue *)tx_queue;
2917
2918 while (nb_pkts) {
2919 uint16_t ret, num;
2920
2921 num = (uint16_t)RTE_MIN(nb_pkts, txq->rs_thresh);
2922 ret = fm10k_xmit_fixed_burst_vec(tx_queue, &tx_pkts[nb_tx],
2923 num);
2924 nb_tx += ret;
2925 nb_pkts -= ret;
2926 if (ret < num)
2927 break;
2928 }
2929
2930 return nb_tx;
2931 }
2932
2933 static void __rte_cold
fm10k_set_tx_function(struct rte_eth_dev * dev)2934 fm10k_set_tx_function(struct rte_eth_dev *dev)
2935 {
2936 struct fm10k_tx_queue *txq;
2937 int i;
2938 int use_sse = 1;
2939 uint16_t tx_ftag_en = 0;
2940
2941 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2942 /* primary process has set the ftag flag and offloads */
2943 txq = dev->data->tx_queues[0];
2944 if (fm10k_tx_vec_condition_check(txq) ||
2945 rte_vect_get_max_simd_bitwidth() < RTE_VECT_SIMD_128) {
2946 dev->tx_pkt_burst = fm10k_xmit_pkts;
2947 dev->tx_pkt_prepare = fm10k_prep_pkts;
2948 PMD_INIT_LOG(DEBUG, "Use regular Tx func");
2949 } else {
2950 PMD_INIT_LOG(DEBUG, "Use vector Tx func");
2951 dev->tx_pkt_burst = fm10k_xmit_pkts_vec;
2952 dev->tx_pkt_prepare = NULL;
2953 }
2954 return;
2955 }
2956
2957 if (fm10k_check_ftag(dev->device->devargs))
2958 tx_ftag_en = 1;
2959
2960 for (i = 0; i < dev->data->nb_tx_queues; i++) {
2961 txq = dev->data->tx_queues[i];
2962 txq->tx_ftag_en = tx_ftag_en;
2963 /* Check if Vector Tx is satisfied */
2964 if (fm10k_tx_vec_condition_check(txq) ||
2965 rte_vect_get_max_simd_bitwidth() < RTE_VECT_SIMD_128)
2966 use_sse = 0;
2967 }
2968
2969 if (use_sse) {
2970 PMD_INIT_LOG(DEBUG, "Use vector Tx func");
2971 for (i = 0; i < dev->data->nb_tx_queues; i++) {
2972 txq = dev->data->tx_queues[i];
2973 fm10k_txq_vec_setup(txq);
2974 }
2975 dev->tx_pkt_burst = fm10k_xmit_pkts_vec;
2976 dev->tx_pkt_prepare = NULL;
2977 } else {
2978 dev->tx_pkt_burst = fm10k_xmit_pkts;
2979 dev->tx_pkt_prepare = fm10k_prep_pkts;
2980 PMD_INIT_LOG(DEBUG, "Use regular Tx func");
2981 }
2982 }
2983
2984 static void __rte_cold
fm10k_set_rx_function(struct rte_eth_dev * dev)2985 fm10k_set_rx_function(struct rte_eth_dev *dev)
2986 {
2987 struct fm10k_dev_info *dev_info =
2988 FM10K_DEV_PRIVATE_TO_INFO(dev->data->dev_private);
2989 uint16_t i, rx_using_sse;
2990 uint16_t rx_ftag_en = 0;
2991
2992 if (fm10k_check_ftag(dev->device->devargs))
2993 rx_ftag_en = 1;
2994
2995 /* In order to allow Vector Rx there are a few configuration
2996 * conditions to be met.
2997 */
2998 if (!fm10k_rx_vec_condition_check(dev) &&
2999 dev_info->rx_vec_allowed && !rx_ftag_en &&
3000 rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) {
3001 if (dev->data->scattered_rx)
3002 dev->rx_pkt_burst = fm10k_recv_scattered_pkts_vec;
3003 else
3004 dev->rx_pkt_burst = fm10k_recv_pkts_vec;
3005 } else if (dev->data->scattered_rx)
3006 dev->rx_pkt_burst = fm10k_recv_scattered_pkts;
3007 else
3008 dev->rx_pkt_burst = fm10k_recv_pkts;
3009
3010 rx_using_sse =
3011 (dev->rx_pkt_burst == fm10k_recv_scattered_pkts_vec ||
3012 dev->rx_pkt_burst == fm10k_recv_pkts_vec);
3013
3014 if (rx_using_sse)
3015 PMD_INIT_LOG(DEBUG, "Use vector Rx func");
3016 else
3017 PMD_INIT_LOG(DEBUG, "Use regular Rx func");
3018
3019 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
3020 return;
3021
3022 for (i = 0; i < dev->data->nb_rx_queues; i++) {
3023 struct fm10k_rx_queue *rxq = dev->data->rx_queues[i];
3024
3025 rxq->rx_using_sse = rx_using_sse;
3026 rxq->rx_ftag_en = rx_ftag_en;
3027 }
3028 }
3029
3030 static void
fm10k_params_init(struct rte_eth_dev * dev)3031 fm10k_params_init(struct rte_eth_dev *dev)
3032 {
3033 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3034 struct fm10k_dev_info *info =
3035 FM10K_DEV_PRIVATE_TO_INFO(dev->data->dev_private);
3036
3037 /* Initialize bus info. Normally we would call fm10k_get_bus_info(), but
3038 * there is no way to get link status without reading BAR4. Until this
3039 * works, assume we have maximum bandwidth.
3040 * @todo - fix bus info
3041 */
3042 hw->bus_caps.speed = fm10k_bus_speed_8000;
3043 hw->bus_caps.width = fm10k_bus_width_pcie_x8;
3044 hw->bus_caps.payload = fm10k_bus_payload_512;
3045 hw->bus.speed = fm10k_bus_speed_8000;
3046 hw->bus.width = fm10k_bus_width_pcie_x8;
3047 hw->bus.payload = fm10k_bus_payload_256;
3048
3049 info->rx_vec_allowed = true;
3050 info->sm_down = false;
3051 }
3052
3053 static int
eth_fm10k_dev_init(struct rte_eth_dev * dev)3054 eth_fm10k_dev_init(struct rte_eth_dev *dev)
3055 {
3056 struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3057 struct rte_pci_device *pdev = RTE_ETH_DEV_TO_PCI(dev);
3058 struct rte_intr_handle *intr_handle = pdev->intr_handle;
3059 int diag, i;
3060 struct fm10k_macvlan_filter_info *macvlan;
3061
3062 PMD_INIT_FUNC_TRACE();
3063
3064 dev->dev_ops = &fm10k_eth_dev_ops;
3065 dev->rx_queue_count = fm10k_dev_rx_queue_count;
3066 dev->rx_descriptor_status = fm10k_dev_rx_descriptor_status;
3067 dev->tx_descriptor_status = fm10k_dev_tx_descriptor_status;
3068 dev->rx_pkt_burst = &fm10k_recv_pkts;
3069 dev->tx_pkt_burst = &fm10k_xmit_pkts;
3070 dev->tx_pkt_prepare = &fm10k_prep_pkts;
3071
3072 /*
3073 * Primary process does the whole initialization, for secondary
3074 * processes, we just select the same Rx and Tx function as primary.
3075 */
3076 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
3077 fm10k_set_rx_function(dev);
3078 fm10k_set_tx_function(dev);
3079 return 0;
3080 }
3081
3082 rte_eth_copy_pci_info(dev, pdev);
3083 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
3084
3085 macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
3086 memset(macvlan, 0, sizeof(*macvlan));
3087 /* Vendor and Device ID need to be set before init of shared code */
3088 memset(hw, 0, sizeof(*hw));
3089 hw->device_id = pdev->id.device_id;
3090 hw->vendor_id = pdev->id.vendor_id;
3091 hw->subsystem_device_id = pdev->id.subsystem_device_id;
3092 hw->subsystem_vendor_id = pdev->id.subsystem_vendor_id;
3093 hw->revision_id = 0;
3094 hw->hw_addr = (void *)pdev->mem_resource[0].addr;
3095 if (hw->hw_addr == NULL) {
3096 PMD_INIT_LOG(ERR, "Bad mem resource."
3097 " Try to refuse unused devices.");
3098 return -EIO;
3099 }
3100
3101 /* Store fm10k_adapter pointer */
3102 hw->back = dev->data->dev_private;
3103
3104 /* Initialize the shared code */
3105 diag = fm10k_init_shared_code(hw);
3106 if (diag != FM10K_SUCCESS) {
3107 PMD_INIT_LOG(ERR, "Shared code init failed: %d", diag);
3108 return -EIO;
3109 }
3110
3111 /* Initialize parameters */
3112 fm10k_params_init(dev);
3113
3114 /* Initialize the hw */
3115 diag = fm10k_init_hw(hw);
3116 if (diag != FM10K_SUCCESS) {
3117 PMD_INIT_LOG(ERR, "Hardware init failed: %d", diag);
3118 return -EIO;
3119 }
3120
3121 /* Initialize MAC address(es) */
3122 dev->data->mac_addrs = rte_zmalloc("fm10k",
3123 RTE_ETHER_ADDR_LEN * FM10K_MAX_MACADDR_NUM, 0);
3124 if (dev->data->mac_addrs == NULL) {
3125 PMD_INIT_LOG(ERR, "Cannot allocate memory for MAC addresses");
3126 return -ENOMEM;
3127 }
3128
3129 diag = fm10k_read_mac_addr(hw);
3130
3131 rte_ether_addr_copy((const struct rte_ether_addr *)hw->mac.addr,
3132 &dev->data->mac_addrs[0]);
3133
3134 if (diag != FM10K_SUCCESS ||
3135 !rte_is_valid_assigned_ether_addr(dev->data->mac_addrs)) {
3136
3137 /* Generate a random addr */
3138 rte_eth_random_addr(hw->mac.addr);
3139 memcpy(hw->mac.perm_addr, hw->mac.addr, ETH_ALEN);
3140 rte_ether_addr_copy((const struct rte_ether_addr *)hw->mac.addr,
3141 &dev->data->mac_addrs[0]);
3142 }
3143
3144 /* Reset the hw statistics */
3145 diag = fm10k_stats_reset(dev);
3146 if (diag != 0) {
3147 PMD_INIT_LOG(ERR, "Stats reset failed: %d", diag);
3148 return diag;
3149 }
3150
3151 /* Reset the hw */
3152 diag = fm10k_reset_hw(hw);
3153 if (diag != FM10K_SUCCESS) {
3154 PMD_INIT_LOG(ERR, "Hardware reset failed: %d", diag);
3155 return -EIO;
3156 }
3157
3158 /* Setup mailbox service */
3159 diag = fm10k_setup_mbx_service(hw);
3160 if (diag != FM10K_SUCCESS) {
3161 PMD_INIT_LOG(ERR, "Failed to setup mailbox: %d", diag);
3162 return -EIO;
3163 }
3164
3165 /*PF/VF has different interrupt handling mechanism */
3166 if (hw->mac.type == fm10k_mac_pf) {
3167 /* register callback func to eal lib */
3168 rte_intr_callback_register(intr_handle,
3169 fm10k_dev_interrupt_handler_pf, (void *)dev);
3170
3171 /* enable MISC interrupt */
3172 fm10k_dev_enable_intr_pf(dev);
3173 } else { /* VF */
3174 rte_intr_callback_register(intr_handle,
3175 fm10k_dev_interrupt_handler_vf, (void *)dev);
3176
3177 fm10k_dev_enable_intr_vf(dev);
3178 }
3179
3180 /* Enable intr after callback registered */
3181 rte_intr_enable(intr_handle);
3182
3183 hw->mac.ops.update_int_moderator(hw);
3184
3185 /* Make sure Switch Manager is ready before going forward. */
3186 if (hw->mac.type == fm10k_mac_pf) {
3187 bool switch_ready = false;
3188
3189 for (i = 0; i < MAX_QUERY_SWITCH_STATE_TIMES; i++) {
3190 fm10k_mbx_lock(hw);
3191 hw->mac.ops.get_host_state(hw, &switch_ready);
3192 fm10k_mbx_unlock(hw);
3193 if (switch_ready == true)
3194 break;
3195 /* Delay some time to acquire async LPORT_MAP info. */
3196 rte_delay_us(WAIT_SWITCH_MSG_US);
3197 }
3198
3199 if (switch_ready == false) {
3200 PMD_INIT_LOG(ERR, "switch is not ready");
3201 return -1;
3202 }
3203 }
3204
3205 /*
3206 * Below function will trigger operations on mailbox, acquire lock to
3207 * avoid race condition from interrupt handler. Operations on mailbox
3208 * FIFO will trigger interrupt to PF/SM, in which interrupt handler
3209 * will handle and generate an interrupt to our side. Then, FIFO in
3210 * mailbox will be touched.
3211 */
3212 fm10k_mbx_lock(hw);
3213 /* Enable port first */
3214 hw->mac.ops.update_lport_state(hw, hw->mac.dglort_map,
3215 MAX_LPORT_NUM, 1);
3216
3217 /* Set unicast mode by default. App can change to other mode in other
3218 * API func.
3219 */
3220 hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
3221 FM10K_XCAST_MODE_NONE);
3222
3223 fm10k_mbx_unlock(hw);
3224
3225 /* Make sure default VID is ready before going forward. */
3226 if (hw->mac.type == fm10k_mac_pf) {
3227 for (i = 0; i < MAX_QUERY_SWITCH_STATE_TIMES; i++) {
3228 if (hw->mac.default_vid)
3229 break;
3230 /* Delay some time to acquire async port VLAN info. */
3231 rte_delay_us(WAIT_SWITCH_MSG_US);
3232 }
3233
3234 if (!hw->mac.default_vid) {
3235 PMD_INIT_LOG(ERR, "default VID is not ready");
3236 return -1;
3237 }
3238 }
3239
3240 /* Add default mac address */
3241 fm10k_MAC_filter_set(dev, hw->mac.addr, true,
3242 MAIN_VSI_POOL_NUMBER);
3243
3244 return 0;
3245 }
3246
3247 static int
eth_fm10k_dev_uninit(struct rte_eth_dev * dev)3248 eth_fm10k_dev_uninit(struct rte_eth_dev *dev)
3249 {
3250 PMD_INIT_FUNC_TRACE();
3251 fm10k_dev_close(dev);
3252 return 0;
3253 }
3254
eth_fm10k_pci_probe(struct rte_pci_driver * pci_drv __rte_unused,struct rte_pci_device * pci_dev)3255 static int eth_fm10k_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
3256 struct rte_pci_device *pci_dev)
3257 {
3258 return rte_eth_dev_pci_generic_probe(pci_dev,
3259 sizeof(struct fm10k_adapter), eth_fm10k_dev_init);
3260 }
3261
eth_fm10k_pci_remove(struct rte_pci_device * pci_dev)3262 static int eth_fm10k_pci_remove(struct rte_pci_device *pci_dev)
3263 {
3264 return rte_eth_dev_pci_generic_remove(pci_dev, eth_fm10k_dev_uninit);
3265 }
3266
3267 /*
3268 * The set of PCI devices this driver supports. This driver will enable both PF
3269 * and SRIOV-VF devices.
3270 */
3271 static const struct rte_pci_id pci_id_fm10k_map[] = {
3272 { RTE_PCI_DEVICE(FM10K_INTEL_VENDOR_ID, FM10K_DEV_ID_PF) },
3273 { RTE_PCI_DEVICE(FM10K_INTEL_VENDOR_ID, FM10K_DEV_ID_SDI_FM10420_QDA2) },
3274 { RTE_PCI_DEVICE(FM10K_INTEL_VENDOR_ID, FM10K_DEV_ID_VF) },
3275 { .vendor_id = 0, /* sentinel */ },
3276 };
3277
3278 static struct rte_pci_driver rte_pmd_fm10k = {
3279 .id_table = pci_id_fm10k_map,
3280 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
3281 .probe = eth_fm10k_pci_probe,
3282 .remove = eth_fm10k_pci_remove,
3283 };
3284
3285 RTE_PMD_REGISTER_PCI(net_fm10k, rte_pmd_fm10k);
3286 RTE_PMD_REGISTER_PCI_TABLE(net_fm10k, pci_id_fm10k_map);
3287 RTE_PMD_REGISTER_KMOD_DEP(net_fm10k, "* igb_uio | uio_pci_generic | vfio-pci");
3288 RTE_LOG_REGISTER_SUFFIX(fm10k_logtype_init, init, NOTICE);
3289 RTE_LOG_REGISTER_SUFFIX(fm10k_logtype_driver, driver, NOTICE);
3290 #ifdef RTE_ETHDEV_DEBUG_RX
3291 RTE_LOG_REGISTER_SUFFIX(fm10k_logtype_rx, rx, DEBUG);
3292 #endif
3293 #ifdef RTE_ETHDEV_DEBUG_TX
3294 RTE_LOG_REGISTER_SUFFIX(fm10k_logtype_tx, tx, DEBUG);
3295 #endif
3296