xref: /dpdk/drivers/net/cnxk/cnxk_ethdev.h (revision 0cd91fd3)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(C) 2021 Marvell.
3  */
4 #ifndef __CNXK_ETHDEV_H__
5 #define __CNXK_ETHDEV_H__
6 
7 #include <math.h>
8 #include <stdint.h>
9 
10 #include <ethdev_driver.h>
11 #include <ethdev_pci.h>
12 #include <rte_kvargs.h>
13 #include <rte_mbuf.h>
14 #include <rte_mbuf_pool_ops.h>
15 #include <rte_mempool.h>
16 #include <rte_mtr_driver.h>
17 #include <rte_security.h>
18 #include <rte_security_driver.h>
19 #include <rte_tailq.h>
20 #include <rte_time.h>
21 
22 #include "roc_api.h"
23 
24 #define CNXK_ETH_DEV_PMD_VERSION "1.0"
25 
26 /* Used for struct cnxk_eth_dev::flags */
27 #define CNXK_LINK_CFG_IN_PROGRESS_F BIT_ULL(0)
28 
29 /* VLAN tag inserted by NIX_TX_VTAG_ACTION.
30  * In Tx space is always reserved for this in FRS.
31  */
32 #define CNXK_NIX_MAX_VTAG_INS	   2
33 #define CNXK_NIX_MAX_VTAG_ACT_SIZE (4 * CNXK_NIX_MAX_VTAG_INS)
34 
35 /* ETH_HLEN+ETH_FCS+2*VLAN_HLEN */
36 #define CNXK_NIX_L2_OVERHEAD (RTE_ETHER_HDR_LEN + \
37 			      RTE_ETHER_CRC_LEN + \
38 			      CNXK_NIX_MAX_VTAG_ACT_SIZE)
39 
40 #define CNXK_NIX_RX_MIN_DESC	    16
41 #define CNXK_NIX_RX_MIN_DESC_ALIGN  16
42 #define CNXK_NIX_RX_NB_SEG_MAX	    6
43 #define CNXK_NIX_RX_DEFAULT_RING_SZ 4096
44 /* Max supported SQB count */
45 #define CNXK_NIX_TX_MAX_SQB 512
46 
47 /* If PTP is enabled additional SEND MEM DESC is required which
48  * takes 2 words, hence max 7 iova address are possible
49  */
50 #if defined(RTE_LIBRTE_IEEE1588)
51 #define CNXK_NIX_TX_NB_SEG_MAX 7
52 #else
53 #define CNXK_NIX_TX_NB_SEG_MAX 9
54 #endif
55 
56 #define CNXK_NIX_TX_MSEG_SG_DWORDS                                             \
57 	((RTE_ALIGN_MUL_CEIL(CNXK_NIX_TX_NB_SEG_MAX, 3) / 3) +                 \
58 	 CNXK_NIX_TX_NB_SEG_MAX)
59 
60 #define CNXK_NIX_RSS_L3_L4_SRC_DST                                             \
61 	(RTE_ETH_RSS_L3_SRC_ONLY | RTE_ETH_RSS_L3_DST_ONLY |                   \
62 	 RTE_ETH_RSS_L4_SRC_ONLY | RTE_ETH_RSS_L4_DST_ONLY)
63 
64 #define CNXK_NIX_RSS_OFFLOAD                                                   \
65 	(RTE_ETH_RSS_PORT | RTE_ETH_RSS_IP | RTE_ETH_RSS_UDP |                 \
66 	 RTE_ETH_RSS_TCP | RTE_ETH_RSS_SCTP | RTE_ETH_RSS_TUNNEL |             \
67 	 RTE_ETH_RSS_L2_PAYLOAD | CNXK_NIX_RSS_L3_L4_SRC_DST |                 \
68 	 RTE_ETH_RSS_LEVEL_MASK | RTE_ETH_RSS_C_VLAN)
69 
70 #define CNXK_NIX_TX_OFFLOAD_CAPA                                               \
71 	(RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE | RTE_ETH_TX_OFFLOAD_MT_LOCKFREE |          \
72 	 RTE_ETH_TX_OFFLOAD_VLAN_INSERT | RTE_ETH_TX_OFFLOAD_QINQ_INSERT |             \
73 	 RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM | RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM |    \
74 	 RTE_ETH_TX_OFFLOAD_TCP_CKSUM | RTE_ETH_TX_OFFLOAD_UDP_CKSUM |                 \
75 	 RTE_ETH_TX_OFFLOAD_SCTP_CKSUM | RTE_ETH_TX_OFFLOAD_TCP_TSO |                  \
76 	 RTE_ETH_TX_OFFLOAD_VXLAN_TNL_TSO | RTE_ETH_TX_OFFLOAD_GENEVE_TNL_TSO |        \
77 	 RTE_ETH_TX_OFFLOAD_GRE_TNL_TSO | RTE_ETH_TX_OFFLOAD_MULTI_SEGS |              \
78 	 RTE_ETH_TX_OFFLOAD_IPV4_CKSUM | RTE_ETH_TX_OFFLOAD_SECURITY)
79 
80 #define CNXK_NIX_RX_OFFLOAD_CAPA                                               \
81 	(RTE_ETH_RX_OFFLOAD_CHECKSUM | RTE_ETH_RX_OFFLOAD_SCTP_CKSUM |         \
82 	 RTE_ETH_RX_OFFLOAD_OUTER_IPV4_CKSUM | RTE_ETH_RX_OFFLOAD_SCATTER |    \
83 	 RTE_ETH_RX_OFFLOAD_OUTER_UDP_CKSUM | RTE_ETH_RX_OFFLOAD_RSS_HASH |    \
84 	 RTE_ETH_RX_OFFLOAD_TIMESTAMP | RTE_ETH_RX_OFFLOAD_VLAN_STRIP |        \
85 	 RTE_ETH_RX_OFFLOAD_SECURITY)
86 
87 #define RSS_IPV4_ENABLE                                                        \
88 	(RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 |                            \
89 	 RTE_ETH_RSS_NONFRAG_IPV4_UDP | RTE_ETH_RSS_NONFRAG_IPV4_TCP |         \
90 	 RTE_ETH_RSS_NONFRAG_IPV4_SCTP)
91 
92 #define RSS_IPV6_ENABLE                                                        \
93 	(RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 |                            \
94 	 RTE_ETH_RSS_NONFRAG_IPV6_UDP | RTE_ETH_RSS_NONFRAG_IPV6_TCP |         \
95 	 RTE_ETH_RSS_NONFRAG_IPV6_SCTP)
96 
97 #define RSS_IPV6_EX_ENABLE                                                     \
98 	(RTE_ETH_RSS_IPV6_EX | RTE_ETH_RSS_IPV6_TCP_EX | RTE_ETH_RSS_IPV6_UDP_EX)
99 
100 #define RSS_MAX_LEVELS 3
101 
102 #define RSS_IPV4_INDEX 0
103 #define RSS_IPV6_INDEX 1
104 #define RSS_TCP_INDEX  2
105 #define RSS_UDP_INDEX  3
106 #define RSS_SCTP_INDEX 4
107 #define RSS_DMAC_INDEX 5
108 
109 /* Default mark value used when none is provided. */
110 #define CNXK_FLOW_ACTION_FLAG_DEFAULT 0xffff
111 
112 /* Default cycle counter mask */
113 #define CNXK_CYCLECOUNTER_MASK     0xffffffffffffffffULL
114 #define CNXK_NIX_TIMESYNC_RX_OFFSET 8
115 
116 #define PTYPE_NON_TUNNEL_WIDTH	  16
117 #define PTYPE_TUNNEL_WIDTH	  12
118 #define PTYPE_NON_TUNNEL_ARRAY_SZ BIT(PTYPE_NON_TUNNEL_WIDTH)
119 #define PTYPE_TUNNEL_ARRAY_SZ	  BIT(PTYPE_TUNNEL_WIDTH)
120 #define PTYPE_ARRAY_SZ                                                         \
121 	((PTYPE_NON_TUNNEL_ARRAY_SZ + PTYPE_TUNNEL_ARRAY_SZ) * sizeof(uint16_t))
122 
123 /* NIX_RX_PARSE_S's ERRCODE + ERRLEV (12 bits) */
124 #define ERRCODE_ERRLEN_WIDTH 12
125 #define ERR_ARRAY_SZ	     ((BIT(ERRCODE_ERRLEN_WIDTH)) * sizeof(uint32_t))
126 
127 /* Fastpath lookup */
128 #define CNXK_NIX_FASTPATH_LOOKUP_MEM "cnxk_nix_fastpath_lookup_mem"
129 
130 #define CNXK_NIX_UDP_TUN_BITMASK                                               \
131 	((1ull << (RTE_MBUF_F_TX_TUNNEL_VXLAN >> 45)) |                               \
132 	 (1ull << (RTE_MBUF_F_TX_TUNNEL_GENEVE >> 45)))
133 
134 /* Subtype from inline outbound error event */
135 #define CNXK_ETHDEV_SEC_OUTB_EV_SUB 0xFFUL
136 
137 /* SPI will be in 20 bits of tag */
138 #define CNXK_ETHDEV_SPI_TAG_MASK 0xFFFFFUL
139 
140 struct cnxk_fc_cfg {
141 	enum rte_eth_fc_mode mode;
142 	uint8_t rx_pause;
143 	uint8_t tx_pause;
144 };
145 
146 struct cnxk_eth_qconf {
147 	union {
148 		struct rte_eth_txconf tx;
149 		struct rte_eth_rxconf rx;
150 	} conf;
151 	struct rte_mempool *mp;
152 	uint16_t nb_desc;
153 	uint8_t valid;
154 };
155 
156 struct cnxk_timesync_info {
157 	uint8_t rx_ready;
158 	uint64_t rx_tstamp;
159 	uint64_t rx_tstamp_dynflag;
160 	int tstamp_dynfield_offset;
161 	rte_iova_t tx_tstamp_iova;
162 	uint64_t *tx_tstamp;
163 } __plt_cache_aligned;
164 
165 struct cnxk_meter_node {
166 #define MAX_PRV_MTR_NODES 10
167 	TAILQ_ENTRY(cnxk_meter_node) next;
168 	/**< Pointer to the next flow meter structure. */
169 	uint32_t id; /**< Usr mtr id. */
170 	struct cnxk_mtr_profile_node *profile;
171 	struct cnxk_mtr_policy_node *policy;
172 	uint32_t bpf_id; /**< Hw mtr id. */
173 	uint32_t rq_num;
174 	uint32_t *rq_id;
175 	uint16_t level;
176 	uint32_t prev_id[MAX_PRV_MTR_NODES]; /**< Prev mtr id for chaining */
177 	uint32_t prev_cnt;
178 	uint32_t next_id; /**< Next mtr id for chaining */
179 	bool is_prev;
180 	bool is_next;
181 	struct rte_mtr_params params;
182 	struct roc_nix_bpf_objs profs;
183 	bool is_used;
184 	uint32_t ref_cnt;
185 };
186 
187 struct action_rss {
188 	enum rte_eth_hash_function func;
189 	uint32_t level;
190 	uint64_t types;
191 	uint32_t key_len;
192 	uint32_t queue_num;
193 	uint8_t *key;
194 	uint16_t *queue;
195 };
196 
197 struct policy_actions {
198 	uint32_t action_fate;
199 	union {
200 		uint16_t queue;
201 		uint32_t mtr_id;
202 		struct action_rss *rss_desc;
203 	};
204 };
205 
206 struct cnxk_mtr_policy_node {
207 	TAILQ_ENTRY(cnxk_mtr_policy_node) next;
208 	/**< Pointer to the next flow meter structure. */
209 	uint32_t id;	 /**< Policy id */
210 	uint32_t mtr_id; /** Meter id */
211 	struct rte_mtr_meter_policy_params policy;
212 	struct policy_actions actions[RTE_COLORS];
213 	uint32_t ref_cnt;
214 };
215 
216 struct cnxk_mtr_profile_node {
217 	TAILQ_ENTRY(cnxk_mtr_profile_node) next;
218 	struct rte_mtr_meter_profile profile; /**< Profile detail. */
219 	uint32_t ref_cnt;		      /**< Use count. */
220 	uint32_t id;			      /**< Profile id. */
221 };
222 
223 TAILQ_HEAD(cnxk_mtr_profiles, cnxk_mtr_profile_node);
224 TAILQ_HEAD(cnxk_mtr_policy, cnxk_mtr_policy_node);
225 TAILQ_HEAD(cnxk_mtr, cnxk_meter_node);
226 
227 /* Security session private data */
228 struct cnxk_eth_sec_sess {
229 	/* List entry */
230 	TAILQ_ENTRY(cnxk_eth_sec_sess) entry;
231 
232 	/* Inbound SA is from NIX_RX_IPSEC_SA_BASE or
233 	 * Outbound SA from roc_nix_inl_outb_sa_base_get()
234 	 */
235 	void *sa;
236 
237 	/* SA index */
238 	uint32_t sa_idx;
239 
240 	/* SPI */
241 	uint32_t spi;
242 
243 	/* Back pointer to session */
244 	struct rte_security_session *sess;
245 
246 	/* Inbound */
247 	bool inb;
248 
249 	/* Inbound session on inl dev */
250 	bool inl_dev;
251 };
252 
253 TAILQ_HEAD(cnxk_eth_sec_sess_list, cnxk_eth_sec_sess);
254 
255 /* Inbound security data */
256 struct cnxk_eth_dev_sec_inb {
257 	/* IPSec inbound max SPI */
258 	uint16_t max_spi;
259 
260 	/* Using inbound with inline device */
261 	bool inl_dev;
262 
263 	/* Device argument to force inline device for inb */
264 	bool force_inl_dev;
265 
266 	/* Active sessions */
267 	uint16_t nb_sess;
268 
269 	/* List of sessions */
270 	struct cnxk_eth_sec_sess_list list;
271 
272 	/* DPTR for WRITE_SA microcode op */
273 	void *sa_dptr;
274 };
275 
276 /* Outbound security data */
277 struct cnxk_eth_dev_sec_outb {
278 	/* IPSec outbound max SA */
279 	uint16_t max_sa;
280 
281 	/* Per CPT LF descriptor count */
282 	uint32_t nb_desc;
283 
284 	/* SA Bitmap */
285 	struct plt_bitmap *sa_bmap;
286 
287 	/* SA bitmap memory */
288 	void *sa_bmap_mem;
289 
290 	/* SA base */
291 	uint64_t sa_base;
292 
293 	/* CPT LF base */
294 	struct roc_cpt_lf *lf_base;
295 
296 	/* Crypto queues => CPT lf count */
297 	uint16_t nb_crypto_qs;
298 
299 	/* Active sessions */
300 	uint16_t nb_sess;
301 
302 	/* List of sessions */
303 	struct cnxk_eth_sec_sess_list list;
304 
305 	/* DPTR for WRITE_SA microcode op */
306 	void *sa_dptr;
307 };
308 
309 struct cnxk_eth_dev {
310 	/* ROC NIX */
311 	struct roc_nix nix;
312 
313 	/* ROC NPC */
314 	struct roc_npc npc;
315 
316 	/* ROC RQs, SQs and CQs */
317 	struct roc_nix_rq *rqs;
318 	struct roc_nix_sq *sqs;
319 	struct roc_nix_cq *cqs;
320 
321 	/* Configured queue count */
322 	uint16_t nb_rxq;
323 	uint16_t nb_txq;
324 	uint16_t nb_rxq_sso;
325 	uint8_t configured;
326 
327 	/* Max macfilter entries */
328 	uint8_t dmac_filter_count;
329 	uint8_t max_mac_entries;
330 	bool dmac_filter_enable;
331 
332 	uint16_t flags;
333 	uint8_t ptype_disable;
334 	bool scalar_ena;
335 	bool ptp_en;
336 
337 	/* Pointer back to rte */
338 	struct rte_eth_dev *eth_dev;
339 
340 	/* HW capabilities / Limitations */
341 	union {
342 		struct {
343 			uint64_t cq_min_4k : 1;
344 			uint64_t ipsecd_drop_re_dis : 1;
345 			uint64_t vec_drop_re_dis : 1;
346 		};
347 		uint64_t hwcap;
348 	};
349 
350 	/* Rx and Tx offload capabilities */
351 	uint64_t rx_offload_capa;
352 	uint64_t tx_offload_capa;
353 	uint32_t speed_capa;
354 	/* Configured Rx and Tx offloads */
355 	uint64_t rx_offloads;
356 	uint64_t tx_offloads;
357 	/* Platform specific offload flags */
358 	uint16_t rx_offload_flags;
359 	uint16_t tx_offload_flags;
360 
361 	/* ETHDEV RSS HF bitmask */
362 	uint64_t ethdev_rss_hf;
363 
364 	/* Saved qconf before lf realloc */
365 	struct cnxk_eth_qconf *tx_qconf;
366 	struct cnxk_eth_qconf *rx_qconf;
367 
368 	/* Flow control configuration */
369 	struct cnxk_fc_cfg fc_cfg;
370 
371 	/* PTP Counters */
372 	struct cnxk_timesync_info tstamp;
373 	struct rte_timecounter systime_tc;
374 	struct rte_timecounter rx_tstamp_tc;
375 	struct rte_timecounter tx_tstamp_tc;
376 	double clk_freq_mult;
377 	uint64_t clk_delta;
378 
379 	/* Ingress policer */
380 	enum roc_nix_bpf_color precolor_tbl[ROC_NIX_BPF_PRE_COLOR_MAX];
381 	struct cnxk_mtr_profiles mtr_profiles;
382 	struct cnxk_mtr_policy mtr_policy;
383 	struct cnxk_mtr mtr;
384 
385 	/* Rx burst for cleanup(Only Primary) */
386 	eth_rx_burst_t rx_pkt_burst_no_offload;
387 
388 	/* Default mac address */
389 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
390 
391 	/* LSO Tunnel format indices */
392 	uint64_t lso_tun_fmt;
393 
394 	/* Per queue statistics counters */
395 	uint32_t txq_stat_map[RTE_ETHDEV_QUEUE_STAT_CNTRS];
396 	uint32_t rxq_stat_map[RTE_ETHDEV_QUEUE_STAT_CNTRS];
397 
398 	/* Security data */
399 	struct cnxk_eth_dev_sec_inb inb;
400 	struct cnxk_eth_dev_sec_outb outb;
401 };
402 
403 struct cnxk_eth_rxq_sp {
404 	struct cnxk_eth_dev *dev;
405 	struct cnxk_eth_qconf qconf;
406 	uint16_t qid;
407 } __plt_cache_aligned;
408 
409 struct cnxk_eth_txq_sp {
410 	struct cnxk_eth_dev *dev;
411 	struct cnxk_eth_qconf qconf;
412 	uint16_t qid;
413 } __plt_cache_aligned;
414 
415 static inline struct cnxk_eth_dev *
416 cnxk_eth_pmd_priv(const struct rte_eth_dev *eth_dev)
417 {
418 	return eth_dev->data->dev_private;
419 }
420 
421 static inline struct cnxk_eth_rxq_sp *
422 cnxk_eth_rxq_to_sp(void *__rxq)
423 {
424 	return ((struct cnxk_eth_rxq_sp *)__rxq) - 1;
425 }
426 
427 static inline struct cnxk_eth_txq_sp *
428 cnxk_eth_txq_to_sp(void *__txq)
429 {
430 	return ((struct cnxk_eth_txq_sp *)__txq) - 1;
431 }
432 
433 /* Common ethdev ops */
434 extern struct eth_dev_ops cnxk_eth_dev_ops;
435 
436 /* Common flow ops */
437 extern struct rte_flow_ops cnxk_flow_ops;
438 
439 /* Common security ops */
440 extern struct rte_security_ops cnxk_eth_sec_ops;
441 
442 /* Ops */
443 int cnxk_nix_probe(struct rte_pci_driver *pci_drv,
444 		   struct rte_pci_device *pci_dev);
445 int cnxk_nix_remove(struct rte_pci_device *pci_dev);
446 int cnxk_nix_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu);
447 int cnxk_nix_mc_addr_list_configure(struct rte_eth_dev *eth_dev,
448 				    struct rte_ether_addr *mc_addr_set,
449 				    uint32_t nb_mc_addr);
450 int cnxk_nix_mac_addr_add(struct rte_eth_dev *eth_dev,
451 			  struct rte_ether_addr *addr, uint32_t index,
452 			  uint32_t pool);
453 void cnxk_nix_mac_addr_del(struct rte_eth_dev *eth_dev, uint32_t index);
454 int cnxk_nix_mac_addr_set(struct rte_eth_dev *eth_dev,
455 			  struct rte_ether_addr *addr);
456 int cnxk_nix_promisc_enable(struct rte_eth_dev *eth_dev);
457 int cnxk_nix_promisc_disable(struct rte_eth_dev *eth_dev);
458 int cnxk_nix_allmulticast_enable(struct rte_eth_dev *eth_dev);
459 int cnxk_nix_allmulticast_disable(struct rte_eth_dev *eth_dev);
460 int cnxk_nix_info_get(struct rte_eth_dev *eth_dev,
461 		      struct rte_eth_dev_info *dev_info);
462 int cnxk_nix_rx_burst_mode_get(struct rte_eth_dev *eth_dev, uint16_t queue_id,
463 			       struct rte_eth_burst_mode *mode);
464 int cnxk_nix_tx_burst_mode_get(struct rte_eth_dev *eth_dev, uint16_t queue_id,
465 			       struct rte_eth_burst_mode *mode);
466 int cnxk_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
467 			   struct rte_eth_fc_conf *fc_conf);
468 int cnxk_nix_flow_ctrl_get(struct rte_eth_dev *eth_dev,
469 			   struct rte_eth_fc_conf *fc_conf);
470 int cnxk_nix_set_link_up(struct rte_eth_dev *eth_dev);
471 int cnxk_nix_set_link_down(struct rte_eth_dev *eth_dev);
472 int cnxk_nix_get_module_info(struct rte_eth_dev *eth_dev,
473 			     struct rte_eth_dev_module_info *modinfo);
474 int cnxk_nix_get_module_eeprom(struct rte_eth_dev *eth_dev,
475 			       struct rte_dev_eeprom_info *info);
476 int cnxk_nix_rx_queue_intr_enable(struct rte_eth_dev *eth_dev,
477 				  uint16_t rx_queue_id);
478 int cnxk_nix_rx_queue_intr_disable(struct rte_eth_dev *eth_dev,
479 				   uint16_t rx_queue_id);
480 int cnxk_nix_pool_ops_supported(struct rte_eth_dev *eth_dev, const char *pool);
481 int cnxk_nix_tx_done_cleanup(void *txq, uint32_t free_cnt);
482 int cnxk_nix_flow_ops_get(struct rte_eth_dev *eth_dev,
483 			  const struct rte_flow_ops **ops);
484 int cnxk_nix_configure(struct rte_eth_dev *eth_dev);
485 int cnxk_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
486 			    uint16_t nb_desc, uint16_t fp_tx_q_sz,
487 			    const struct rte_eth_txconf *tx_conf);
488 int cnxk_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
489 			    uint16_t nb_desc, uint16_t fp_rx_q_sz,
490 			    const struct rte_eth_rxconf *rx_conf,
491 			    struct rte_mempool *mp);
492 int cnxk_nix_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qid);
493 int cnxk_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qid);
494 int cnxk_nix_dev_start(struct rte_eth_dev *eth_dev);
495 int cnxk_nix_timesync_enable(struct rte_eth_dev *eth_dev);
496 int cnxk_nix_timesync_disable(struct rte_eth_dev *eth_dev);
497 int cnxk_nix_timesync_read_rx_timestamp(struct rte_eth_dev *eth_dev,
498 					struct timespec *timestamp,
499 					uint32_t flags);
500 int cnxk_nix_timesync_read_tx_timestamp(struct rte_eth_dev *eth_dev,
501 					struct timespec *timestamp);
502 int cnxk_nix_timesync_read_time(struct rte_eth_dev *eth_dev,
503 				struct timespec *ts);
504 int cnxk_nix_timesync_write_time(struct rte_eth_dev *eth_dev,
505 				 const struct timespec *ts);
506 int cnxk_nix_timesync_adjust_time(struct rte_eth_dev *eth_dev, int64_t delta);
507 int cnxk_nix_tsc_convert(struct cnxk_eth_dev *dev);
508 int cnxk_nix_read_clock(struct rte_eth_dev *eth_dev, uint64_t *clock);
509 
510 uint64_t cnxk_nix_rxq_mbuf_setup(struct cnxk_eth_dev *dev);
511 int cnxk_nix_tm_ops_get(struct rte_eth_dev *eth_dev, void *ops);
512 int cnxk_nix_tm_set_queue_rate_limit(struct rte_eth_dev *eth_dev,
513 				     uint16_t queue_idx, uint16_t tx_rate);
514 
515 /* MTR */
516 int cnxk_nix_mtr_ops_get(struct rte_eth_dev *dev, void *ops);
517 
518 /* RSS */
519 uint32_t cnxk_rss_ethdev_to_nix(struct cnxk_eth_dev *dev, uint64_t ethdev_rss,
520 				uint8_t rss_level);
521 int cnxk_nix_reta_update(struct rte_eth_dev *eth_dev,
522 			 struct rte_eth_rss_reta_entry64 *reta_conf,
523 			 uint16_t reta_size);
524 int cnxk_nix_reta_query(struct rte_eth_dev *eth_dev,
525 			struct rte_eth_rss_reta_entry64 *reta_conf,
526 			uint16_t reta_size);
527 int cnxk_nix_rss_hash_update(struct rte_eth_dev *eth_dev,
528 			     struct rte_eth_rss_conf *rss_conf);
529 int cnxk_nix_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
530 			       struct rte_eth_rss_conf *rss_conf);
531 
532 /* Link */
533 void cnxk_nix_toggle_flag_link_cfg(struct cnxk_eth_dev *dev, bool set);
534 void cnxk_eth_dev_link_status_cb(struct roc_nix *nix,
535 				 struct roc_nix_link_info *link);
536 void cnxk_eth_dev_link_status_get_cb(struct roc_nix *nix,
537 				     struct roc_nix_link_info *link);
538 int cnxk_nix_link_update(struct rte_eth_dev *eth_dev, int wait_to_complete);
539 int cnxk_nix_queue_stats_mapping(struct rte_eth_dev *dev, uint16_t queue_id,
540 				 uint8_t stat_idx, uint8_t is_rx);
541 int cnxk_nix_stats_reset(struct rte_eth_dev *dev);
542 int cnxk_nix_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
543 int cnxk_nix_xstats_get(struct rte_eth_dev *eth_dev,
544 			struct rte_eth_xstat *xstats, unsigned int n);
545 int cnxk_nix_xstats_get_names(struct rte_eth_dev *eth_dev,
546 			      struct rte_eth_xstat_name *xstats_names,
547 			      unsigned int limit);
548 int cnxk_nix_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
549 				    const uint64_t *ids,
550 				    struct rte_eth_xstat_name *xstats_names,
551 				    unsigned int limit);
552 int cnxk_nix_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
553 			      uint64_t *values, unsigned int n);
554 int cnxk_nix_xstats_reset(struct rte_eth_dev *eth_dev);
555 int cnxk_nix_fw_version_get(struct rte_eth_dev *eth_dev, char *fw_version,
556 			    size_t fw_size);
557 void cnxk_nix_rxq_info_get(struct rte_eth_dev *eth_dev, uint16_t qid,
558 			   struct rte_eth_rxq_info *qinfo);
559 void cnxk_nix_txq_info_get(struct rte_eth_dev *eth_dev, uint16_t qid,
560 			   struct rte_eth_txq_info *qinfo);
561 
562 /* Lookup configuration */
563 const uint32_t *cnxk_nix_supported_ptypes_get(struct rte_eth_dev *eth_dev);
564 void *cnxk_nix_fastpath_lookup_mem_get(void);
565 
566 /* Devargs */
567 int cnxk_ethdev_parse_devargs(struct rte_devargs *devargs,
568 			      struct cnxk_eth_dev *dev);
569 
570 /* Debug */
571 int cnxk_nix_dev_get_reg(struct rte_eth_dev *eth_dev,
572 			 struct rte_dev_reg_info *regs);
573 /* Security */
574 int cnxk_eth_outb_sa_idx_get(struct cnxk_eth_dev *dev, uint32_t *idx_p);
575 int cnxk_eth_outb_sa_idx_put(struct cnxk_eth_dev *dev, uint32_t idx);
576 int cnxk_nix_lookup_mem_sa_base_set(struct cnxk_eth_dev *dev);
577 int cnxk_nix_lookup_mem_sa_base_clear(struct cnxk_eth_dev *dev);
578 __rte_internal
579 int cnxk_nix_inb_mode_set(struct cnxk_eth_dev *dev, bool use_inl_dev);
580 struct cnxk_eth_sec_sess *cnxk_eth_sec_sess_get_by_spi(struct cnxk_eth_dev *dev,
581 						       uint32_t spi, bool inb);
582 struct cnxk_eth_sec_sess *
583 cnxk_eth_sec_sess_get_by_sess(struct cnxk_eth_dev *dev,
584 			      struct rte_security_session *sess);
585 
586 /* Other private functions */
587 int nix_recalc_mtu(struct rte_eth_dev *eth_dev);
588 int nix_mtr_validate(struct rte_eth_dev *dev, uint32_t id);
589 int nix_mtr_policy_act_get(struct rte_eth_dev *eth_dev, uint32_t id,
590 			   struct cnxk_mtr_policy_node **policy);
591 int nix_mtr_rq_update(struct rte_eth_dev *eth_dev, uint32_t id,
592 		      uint32_t queue_num, const uint16_t *queue);
593 int nix_mtr_chain_update(struct rte_eth_dev *eth_dev, uint32_t cur_id,
594 			 uint32_t prev_id, uint32_t next_id);
595 int nix_mtr_chain_reset(struct rte_eth_dev *eth_dev, uint32_t cur_id);
596 struct cnxk_meter_node *nix_get_mtr(struct rte_eth_dev *eth_dev,
597 				    uint32_t cur_id);
598 int nix_mtr_level_update(struct rte_eth_dev *eth_dev, uint32_t id,
599 			 uint32_t level);
600 int nix_mtr_capabilities_init(struct rte_eth_dev *eth_dev);
601 int nix_mtr_configure(struct rte_eth_dev *eth_dev, uint32_t id);
602 int nix_mtr_connect(struct rte_eth_dev *eth_dev, uint32_t id);
603 int nix_mtr_destroy(struct rte_eth_dev *eth_dev, uint32_t id,
604 		    struct rte_mtr_error *error);
605 int nix_mtr_color_action_validate(struct rte_eth_dev *eth_dev, uint32_t id,
606 				  uint32_t *prev_id, uint32_t *next_id,
607 				  struct cnxk_mtr_policy_node *policy,
608 				  int *tree_level);
609 
610 /* Inlines */
611 static __rte_always_inline uint64_t
612 cnxk_pktmbuf_detach(struct rte_mbuf *m)
613 {
614 	struct rte_mempool *mp = m->pool;
615 	uint32_t mbuf_size, buf_len;
616 	struct rte_mbuf *md;
617 	uint16_t priv_size;
618 	uint16_t refcount;
619 
620 	/* Update refcount of direct mbuf */
621 	md = rte_mbuf_from_indirect(m);
622 	refcount = rte_mbuf_refcnt_update(md, -1);
623 
624 	priv_size = rte_pktmbuf_priv_size(mp);
625 	mbuf_size = (uint32_t)(sizeof(struct rte_mbuf) + priv_size);
626 	buf_len = rte_pktmbuf_data_room_size(mp);
627 
628 	m->priv_size = priv_size;
629 	m->buf_addr = (char *)m + mbuf_size;
630 	m->buf_iova = rte_mempool_virt2iova(m) + mbuf_size;
631 	m->buf_len = (uint16_t)buf_len;
632 	rte_pktmbuf_reset_headroom(m);
633 	m->data_len = 0;
634 	m->ol_flags = 0;
635 	m->next = NULL;
636 	m->nb_segs = 1;
637 
638 	/* Now indirect mbuf is safe to free */
639 	rte_pktmbuf_free(m);
640 
641 	if (refcount == 0) {
642 		rte_mbuf_refcnt_set(md, 1);
643 		md->data_len = 0;
644 		md->ol_flags = 0;
645 		md->next = NULL;
646 		md->nb_segs = 1;
647 		return 0;
648 	} else {
649 		return 1;
650 	}
651 }
652 
653 static __rte_always_inline uint64_t
654 cnxk_nix_prefree_seg(struct rte_mbuf *m)
655 {
656 	if (likely(rte_mbuf_refcnt_read(m) == 1)) {
657 		if (!RTE_MBUF_DIRECT(m))
658 			return cnxk_pktmbuf_detach(m);
659 
660 		m->next = NULL;
661 		m->nb_segs = 1;
662 		return 0;
663 	} else if (rte_mbuf_refcnt_update(m, -1) == 0) {
664 		if (!RTE_MBUF_DIRECT(m))
665 			return cnxk_pktmbuf_detach(m);
666 
667 		rte_mbuf_refcnt_set(m, 1);
668 		m->next = NULL;
669 		m->nb_segs = 1;
670 		return 0;
671 	}
672 
673 	/* Mbuf is having refcount more than 1 so need not to be freed */
674 	return 1;
675 }
676 
677 static inline rte_mbuf_timestamp_t *
678 cnxk_nix_timestamp_dynfield(struct rte_mbuf *mbuf,
679 			    struct cnxk_timesync_info *info)
680 {
681 	return RTE_MBUF_DYNFIELD(mbuf, info->tstamp_dynfield_offset,
682 				 rte_mbuf_timestamp_t *);
683 }
684 
685 static __rte_always_inline void
686 cnxk_nix_mbuf_to_tstamp(struct rte_mbuf *mbuf,
687 			struct cnxk_timesync_info *tstamp,
688 			const uint8_t ts_enable, const uint8_t mseg_enable,
689 			uint64_t *tstamp_ptr)
690 {
691 	if (ts_enable) {
692 		if (!mseg_enable) {
693 			mbuf->pkt_len -= CNXK_NIX_TIMESYNC_RX_OFFSET;
694 			mbuf->data_len -= CNXK_NIX_TIMESYNC_RX_OFFSET;
695 		}
696 
697 		/* Reading the rx timestamp inserted by CGX, viz at
698 		 * starting of the packet data.
699 		 */
700 		*cnxk_nix_timestamp_dynfield(mbuf, tstamp) =
701 			rte_be_to_cpu_64(*tstamp_ptr);
702 		/* RTE_MBUF_F_RX_IEEE1588_TMST flag needs to be set only in case
703 		 * PTP packets are received.
704 		 */
705 		if (mbuf->packet_type == RTE_PTYPE_L2_ETHER_TIMESYNC) {
706 			tstamp->rx_tstamp =
707 				*cnxk_nix_timestamp_dynfield(mbuf, tstamp);
708 			tstamp->rx_ready = 1;
709 			mbuf->ol_flags |= RTE_MBUF_F_RX_IEEE1588_PTP |
710 					  RTE_MBUF_F_RX_IEEE1588_TMST |
711 					  tstamp->rx_tstamp_dynflag;
712 		}
713 	}
714 }
715 
716 static __rte_always_inline uintptr_t
717 cnxk_nix_sa_base_get(uint16_t port, const void *lookup_mem)
718 {
719 	uintptr_t sa_base_tbl;
720 
721 	sa_base_tbl = (uintptr_t)lookup_mem;
722 	sa_base_tbl += PTYPE_ARRAY_SZ + ERR_ARRAY_SZ;
723 	return *((const uintptr_t *)sa_base_tbl + port);
724 }
725 
726 #endif /* __CNXK_ETHDEV_H__ */
727