xref: /linux/include/net/mana/mana.h (revision 9410645520e9b820069761f3450ef6661418e279)
1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /* Copyright (c) 2021, Microsoft Corporation. */
3 
4 #ifndef _MANA_H
5 #define _MANA_H
6 
7 #include <net/xdp.h>
8 
9 #include "gdma.h"
10 #include "hw_channel.h"
11 
12 /* Microsoft Azure Network Adapter (MANA)'s definitions
13  *
14  * Structures labeled with "HW DATA" are exchanged with the hardware. All of
15  * them are naturally aligned and hence don't need __packed.
16  */
17 
18 /* MANA protocol version */
19 #define MANA_MAJOR_VERSION	0
20 #define MANA_MINOR_VERSION	1
21 #define MANA_MICRO_VERSION	1
22 
23 typedef u64 mana_handle_t;
24 #define INVALID_MANA_HANDLE ((mana_handle_t)-1)
25 
26 enum TRI_STATE {
27 	TRI_STATE_UNKNOWN = -1,
28 	TRI_STATE_FALSE = 0,
29 	TRI_STATE_TRUE = 1
30 };
31 
32 /* Number of entries for hardware indirection table must be in power of 2 */
33 #define MANA_INDIRECT_TABLE_MAX_SIZE 512
34 #define MANA_INDIRECT_TABLE_DEF_SIZE 64
35 
36 /* The Toeplitz hash key's length in bytes: should be multiple of 8 */
37 #define MANA_HASH_KEY_SIZE 40
38 
39 #define COMP_ENTRY_SIZE 64
40 
41 /* This Max value for RX buffers is derived from __alloc_page()'s max page
42  * allocation calculation. It allows maximum 2^(MAX_ORDER -1) pages. RX buffer
43  * size beyond this value gets rejected by __alloc_page() call.
44  */
45 #define MAX_RX_BUFFERS_PER_QUEUE 8192
46 #define DEF_RX_BUFFERS_PER_QUEUE 512
47 #define MIN_RX_BUFFERS_PER_QUEUE 128
48 
49 /* This max value for TX buffers is derived as the maximum allocatable
50  * pages supported on host per guest through testing. TX buffer size beyond
51  * this value is rejected by the hardware.
52  */
53 #define MAX_TX_BUFFERS_PER_QUEUE 16384
54 #define DEF_TX_BUFFERS_PER_QUEUE 256
55 #define MIN_TX_BUFFERS_PER_QUEUE 128
56 
57 #define EQ_SIZE (8 * MANA_PAGE_SIZE)
58 
59 #define LOG2_EQ_THROTTLE 3
60 
61 #define MAX_PORTS_IN_MANA_DEV 256
62 
63 /* Update this count whenever the respective structures are changed */
64 #define MANA_STATS_RX_COUNT 5
65 #define MANA_STATS_TX_COUNT 11
66 
67 struct mana_stats_rx {
68 	u64 packets;
69 	u64 bytes;
70 	u64 xdp_drop;
71 	u64 xdp_tx;
72 	u64 xdp_redirect;
73 	struct u64_stats_sync syncp;
74 };
75 
76 struct mana_stats_tx {
77 	u64 packets;
78 	u64 bytes;
79 	u64 xdp_xmit;
80 	u64 tso_packets;
81 	u64 tso_bytes;
82 	u64 tso_inner_packets;
83 	u64 tso_inner_bytes;
84 	u64 short_pkt_fmt;
85 	u64 long_pkt_fmt;
86 	u64 csum_partial;
87 	u64 mana_map_err;
88 	struct u64_stats_sync syncp;
89 };
90 
91 struct mana_txq {
92 	struct gdma_queue *gdma_sq;
93 
94 	union {
95 		u32 gdma_txq_id;
96 		struct {
97 			u32 reserved1	: 10;
98 			u32 vsq_frame	: 14;
99 			u32 reserved2	: 8;
100 		};
101 	};
102 
103 	u16 vp_offset;
104 
105 	struct net_device *ndev;
106 
107 	/* The SKBs are sent to the HW and we are waiting for the CQEs. */
108 	struct sk_buff_head pending_skbs;
109 	struct netdev_queue *net_txq;
110 
111 	atomic_t pending_sends;
112 
113 	bool napi_initialized;
114 
115 	struct mana_stats_tx stats;
116 };
117 
118 /* skb data and frags dma mappings */
119 struct mana_skb_head {
120 	/* GSO pkts may have 2 SGEs for the linear part*/
121 	dma_addr_t dma_handle[MAX_SKB_FRAGS + 2];
122 
123 	u32 size[MAX_SKB_FRAGS + 2];
124 };
125 
126 #define MANA_HEADROOM sizeof(struct mana_skb_head)
127 
128 enum mana_tx_pkt_format {
129 	MANA_SHORT_PKT_FMT	= 0,
130 	MANA_LONG_PKT_FMT	= 1,
131 };
132 
133 struct mana_tx_short_oob {
134 	u32 pkt_fmt		: 2;
135 	u32 is_outer_ipv4	: 1;
136 	u32 is_outer_ipv6	: 1;
137 	u32 comp_iphdr_csum	: 1;
138 	u32 comp_tcp_csum	: 1;
139 	u32 comp_udp_csum	: 1;
140 	u32 supress_txcqe_gen	: 1;
141 	u32 vcq_num		: 24;
142 
143 	u32 trans_off		: 10; /* Transport header offset */
144 	u32 vsq_frame		: 14;
145 	u32 short_vp_offset	: 8;
146 }; /* HW DATA */
147 
148 struct mana_tx_long_oob {
149 	u32 is_encap		: 1;
150 	u32 inner_is_ipv6	: 1;
151 	u32 inner_tcp_opt	: 1;
152 	u32 inject_vlan_pri_tag : 1;
153 	u32 reserved1		: 12;
154 	u32 pcp			: 3;  /* 802.1Q */
155 	u32 dei			: 1;  /* 802.1Q */
156 	u32 vlan_id		: 12; /* 802.1Q */
157 
158 	u32 inner_frame_offset	: 10;
159 	u32 inner_ip_rel_offset : 6;
160 	u32 long_vp_offset	: 12;
161 	u32 reserved2		: 4;
162 
163 	u32 reserved3;
164 	u32 reserved4;
165 }; /* HW DATA */
166 
167 struct mana_tx_oob {
168 	struct mana_tx_short_oob s_oob;
169 	struct mana_tx_long_oob l_oob;
170 }; /* HW DATA */
171 
172 enum mana_cq_type {
173 	MANA_CQ_TYPE_RX,
174 	MANA_CQ_TYPE_TX,
175 };
176 
177 enum mana_cqe_type {
178 	CQE_INVALID			= 0,
179 	CQE_RX_OKAY			= 1,
180 	CQE_RX_COALESCED_4		= 2,
181 	CQE_RX_OBJECT_FENCE		= 3,
182 	CQE_RX_TRUNCATED		= 4,
183 
184 	CQE_TX_OKAY			= 32,
185 	CQE_TX_SA_DROP			= 33,
186 	CQE_TX_MTU_DROP			= 34,
187 	CQE_TX_INVALID_OOB		= 35,
188 	CQE_TX_INVALID_ETH_TYPE		= 36,
189 	CQE_TX_HDR_PROCESSING_ERROR	= 37,
190 	CQE_TX_VF_DISABLED		= 38,
191 	CQE_TX_VPORT_IDX_OUT_OF_RANGE	= 39,
192 	CQE_TX_VPORT_DISABLED		= 40,
193 	CQE_TX_VLAN_TAGGING_VIOLATION	= 41,
194 };
195 
196 #define MANA_CQE_COMPLETION 1
197 
198 struct mana_cqe_header {
199 	u32 cqe_type	: 6;
200 	u32 client_type	: 2;
201 	u32 vendor_err	: 24;
202 }; /* HW DATA */
203 
204 /* NDIS HASH Types */
205 #define NDIS_HASH_IPV4		BIT(0)
206 #define NDIS_HASH_TCP_IPV4	BIT(1)
207 #define NDIS_HASH_UDP_IPV4	BIT(2)
208 #define NDIS_HASH_IPV6		BIT(3)
209 #define NDIS_HASH_TCP_IPV6	BIT(4)
210 #define NDIS_HASH_UDP_IPV6	BIT(5)
211 #define NDIS_HASH_IPV6_EX	BIT(6)
212 #define NDIS_HASH_TCP_IPV6_EX	BIT(7)
213 #define NDIS_HASH_UDP_IPV6_EX	BIT(8)
214 
215 #define MANA_HASH_L3 (NDIS_HASH_IPV4 | NDIS_HASH_IPV6 | NDIS_HASH_IPV6_EX)
216 #define MANA_HASH_L4                                                         \
217 	(NDIS_HASH_TCP_IPV4 | NDIS_HASH_UDP_IPV4 | NDIS_HASH_TCP_IPV6 |      \
218 	 NDIS_HASH_UDP_IPV6 | NDIS_HASH_TCP_IPV6_EX | NDIS_HASH_UDP_IPV6_EX)
219 
220 struct mana_rxcomp_perpkt_info {
221 	u32 pkt_len	: 16;
222 	u32 reserved1	: 16;
223 	u32 reserved2;
224 	u32 pkt_hash;
225 }; /* HW DATA */
226 
227 #define MANA_RXCOMP_OOB_NUM_PPI 4
228 
229 /* Receive completion OOB */
230 struct mana_rxcomp_oob {
231 	struct mana_cqe_header cqe_hdr;
232 
233 	u32 rx_vlan_id			: 12;
234 	u32 rx_vlantag_present		: 1;
235 	u32 rx_outer_iphdr_csum_succeed	: 1;
236 	u32 rx_outer_iphdr_csum_fail	: 1;
237 	u32 reserved1			: 1;
238 	u32 rx_hashtype			: 9;
239 	u32 rx_iphdr_csum_succeed	: 1;
240 	u32 rx_iphdr_csum_fail		: 1;
241 	u32 rx_tcp_csum_succeed		: 1;
242 	u32 rx_tcp_csum_fail		: 1;
243 	u32 rx_udp_csum_succeed		: 1;
244 	u32 rx_udp_csum_fail		: 1;
245 	u32 reserved2			: 1;
246 
247 	struct mana_rxcomp_perpkt_info ppi[MANA_RXCOMP_OOB_NUM_PPI];
248 
249 	u32 rx_wqe_offset;
250 }; /* HW DATA */
251 
252 struct mana_tx_comp_oob {
253 	struct mana_cqe_header cqe_hdr;
254 
255 	u32 tx_data_offset;
256 
257 	u32 tx_sgl_offset	: 5;
258 	u32 tx_wqe_offset	: 27;
259 
260 	u32 reserved[12];
261 }; /* HW DATA */
262 
263 struct mana_rxq;
264 
265 #define CQE_POLLING_BUFFER 512
266 
267 struct mana_cq {
268 	struct gdma_queue *gdma_cq;
269 
270 	/* Cache the CQ id (used to verify if each CQE comes to the right CQ. */
271 	u32 gdma_id;
272 
273 	/* Type of the CQ: TX or RX */
274 	enum mana_cq_type type;
275 
276 	/* Pointer to the mana_rxq that is pushing RX CQEs to the queue.
277 	 * Only and must be non-NULL if type is MANA_CQ_TYPE_RX.
278 	 */
279 	struct mana_rxq *rxq;
280 
281 	/* Pointer to the mana_txq that is pushing TX CQEs to the queue.
282 	 * Only and must be non-NULL if type is MANA_CQ_TYPE_TX.
283 	 */
284 	struct mana_txq *txq;
285 
286 	/* Buffer which the CQ handler can copy the CQE's into. */
287 	struct gdma_comp gdma_comp_buf[CQE_POLLING_BUFFER];
288 
289 	/* NAPI data */
290 	struct napi_struct napi;
291 	int work_done;
292 	int work_done_since_doorbell;
293 	int budget;
294 };
295 
296 struct mana_recv_buf_oob {
297 	/* A valid GDMA work request representing the data buffer. */
298 	struct gdma_wqe_request wqe_req;
299 
300 	void *buf_va;
301 	bool from_pool; /* allocated from a page pool */
302 
303 	/* SGL of the buffer going to be sent as part of the work request. */
304 	u32 num_sge;
305 	struct gdma_sge sgl[MAX_RX_WQE_SGL_ENTRIES];
306 
307 	/* Required to store the result of mana_gd_post_work_request.
308 	 * gdma_posted_wqe_info.wqe_size_in_bu is required for progressing the
309 	 * work queue when the WQE is consumed.
310 	 */
311 	struct gdma_posted_wqe_info wqe_inf;
312 };
313 
314 #define MANA_RXBUF_PAD (SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) \
315 			+ ETH_HLEN)
316 
317 #define MANA_XDP_MTU_MAX (PAGE_SIZE - MANA_RXBUF_PAD - XDP_PACKET_HEADROOM)
318 
319 struct mana_rxq {
320 	struct gdma_queue *gdma_rq;
321 	/* Cache the gdma receive queue id */
322 	u32 gdma_id;
323 
324 	/* Index of RQ in the vPort, not gdma receive queue id */
325 	u32 rxq_idx;
326 
327 	u32 datasize;
328 	u32 alloc_size;
329 	u32 headroom;
330 
331 	mana_handle_t rxobj;
332 
333 	struct mana_cq rx_cq;
334 
335 	struct completion fence_event;
336 
337 	struct net_device *ndev;
338 
339 	/* Total number of receive buffers to be allocated */
340 	u32 num_rx_buf;
341 
342 	u32 buf_index;
343 
344 	struct mana_stats_rx stats;
345 
346 	struct bpf_prog __rcu *bpf_prog;
347 	struct xdp_rxq_info xdp_rxq;
348 	void *xdp_save_va; /* for reusing */
349 	bool xdp_flush;
350 	int xdp_rc; /* XDP redirect return code */
351 
352 	struct page_pool *page_pool;
353 
354 	/* MUST BE THE LAST MEMBER:
355 	 * Each receive buffer has an associated mana_recv_buf_oob.
356 	 */
357 	struct mana_recv_buf_oob rx_oobs[] __counted_by(num_rx_buf);
358 };
359 
360 struct mana_tx_qp {
361 	struct mana_txq txq;
362 
363 	struct mana_cq tx_cq;
364 
365 	mana_handle_t tx_object;
366 };
367 
368 struct mana_ethtool_stats {
369 	u64 stop_queue;
370 	u64 wake_queue;
371 	u64 hc_rx_discards_no_wqe;
372 	u64 hc_rx_err_vport_disabled;
373 	u64 hc_rx_bytes;
374 	u64 hc_rx_ucast_pkts;
375 	u64 hc_rx_ucast_bytes;
376 	u64 hc_rx_bcast_pkts;
377 	u64 hc_rx_bcast_bytes;
378 	u64 hc_rx_mcast_pkts;
379 	u64 hc_rx_mcast_bytes;
380 	u64 hc_tx_err_gf_disabled;
381 	u64 hc_tx_err_vport_disabled;
382 	u64 hc_tx_err_inval_vportoffset_pkt;
383 	u64 hc_tx_err_vlan_enforcement;
384 	u64 hc_tx_err_eth_type_enforcement;
385 	u64 hc_tx_err_sa_enforcement;
386 	u64 hc_tx_err_sqpdid_enforcement;
387 	u64 hc_tx_err_cqpdid_enforcement;
388 	u64 hc_tx_err_mtu_violation;
389 	u64 hc_tx_err_inval_oob;
390 	u64 hc_tx_bytes;
391 	u64 hc_tx_ucast_pkts;
392 	u64 hc_tx_ucast_bytes;
393 	u64 hc_tx_bcast_pkts;
394 	u64 hc_tx_bcast_bytes;
395 	u64 hc_tx_mcast_pkts;
396 	u64 hc_tx_mcast_bytes;
397 	u64 hc_tx_err_gdma;
398 	u64 tx_cqe_err;
399 	u64 tx_cqe_unknown_type;
400 	u64 rx_coalesced_err;
401 	u64 rx_cqe_unknown_type;
402 };
403 
404 struct mana_context {
405 	struct gdma_dev *gdma_dev;
406 
407 	u16 num_ports;
408 
409 	struct mana_eq *eqs;
410 
411 	struct net_device *ports[MAX_PORTS_IN_MANA_DEV];
412 };
413 
414 struct mana_port_context {
415 	struct mana_context *ac;
416 	struct net_device *ndev;
417 
418 	u8 mac_addr[ETH_ALEN];
419 
420 	enum TRI_STATE rss_state;
421 
422 	mana_handle_t default_rxobj;
423 	bool tx_shortform_allowed;
424 	u16 tx_vp_offset;
425 
426 	struct mana_tx_qp *tx_qp;
427 
428 	/* Indirection Table for RX & TX. The values are queue indexes */
429 	u32 *indir_table;
430 	u32 indir_table_sz;
431 
432 	/* Indirection table containing RxObject Handles */
433 	mana_handle_t *rxobj_table;
434 
435 	/*  Hash key used by the NIC */
436 	u8 hashkey[MANA_HASH_KEY_SIZE];
437 
438 	/* This points to an array of num_queues of RQ pointers. */
439 	struct mana_rxq **rxqs;
440 
441 	/* pre-allocated rx buffer array */
442 	void **rxbufs_pre;
443 	dma_addr_t *das_pre;
444 	int rxbpre_total;
445 	u32 rxbpre_datasize;
446 	u32 rxbpre_alloc_size;
447 	u32 rxbpre_headroom;
448 
449 	struct bpf_prog *bpf_prog;
450 
451 	/* Create num_queues EQs, SQs, SQ-CQs, RQs and RQ-CQs, respectively. */
452 	unsigned int max_queues;
453 	unsigned int num_queues;
454 
455 	unsigned int rx_queue_size;
456 	unsigned int tx_queue_size;
457 
458 	mana_handle_t port_handle;
459 	mana_handle_t pf_filter_handle;
460 
461 	/* Mutex for sharing access to vport_use_count */
462 	struct mutex vport_mutex;
463 	int vport_use_count;
464 
465 	u16 port_idx;
466 
467 	bool port_is_up;
468 	bool port_st_save; /* Saved port state */
469 
470 	struct mana_ethtool_stats eth_stats;
471 };
472 
473 netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev);
474 int mana_config_rss(struct mana_port_context *ac, enum TRI_STATE rx,
475 		    bool update_hash, bool update_tab);
476 
477 int mana_alloc_queues(struct net_device *ndev);
478 int mana_attach(struct net_device *ndev);
479 int mana_detach(struct net_device *ndev, bool from_close);
480 
481 int mana_probe(struct gdma_dev *gd, bool resuming);
482 void mana_remove(struct gdma_dev *gd, bool suspending);
483 
484 void mana_xdp_tx(struct sk_buff *skb, struct net_device *ndev);
485 int mana_xdp_xmit(struct net_device *ndev, int n, struct xdp_frame **frames,
486 		  u32 flags);
487 u32 mana_run_xdp(struct net_device *ndev, struct mana_rxq *rxq,
488 		 struct xdp_buff *xdp, void *buf_va, uint pkt_len);
489 struct bpf_prog *mana_xdp_get(struct mana_port_context *apc);
490 void mana_chn_setxdp(struct mana_port_context *apc, struct bpf_prog *prog);
491 int mana_bpf(struct net_device *ndev, struct netdev_bpf *bpf);
492 void mana_query_gf_stats(struct mana_port_context *apc);
493 int mana_pre_alloc_rxbufs(struct mana_port_context *apc, int mtu, int num_queues);
494 void mana_pre_dealloc_rxbufs(struct mana_port_context *apc);
495 
496 extern const struct ethtool_ops mana_ethtool_ops;
497 
498 /* A CQ can be created not associated with any EQ */
499 #define GDMA_CQ_NO_EQ  0xffff
500 
501 struct mana_obj_spec {
502 	u32 queue_index;
503 	u64 gdma_region;
504 	u32 queue_size;
505 	u32 attached_eq;
506 	u32 modr_ctx_id;
507 };
508 
509 enum mana_command_code {
510 	MANA_QUERY_DEV_CONFIG	= 0x20001,
511 	MANA_QUERY_GF_STAT	= 0x20002,
512 	MANA_CONFIG_VPORT_TX	= 0x20003,
513 	MANA_CREATE_WQ_OBJ	= 0x20004,
514 	MANA_DESTROY_WQ_OBJ	= 0x20005,
515 	MANA_FENCE_RQ		= 0x20006,
516 	MANA_CONFIG_VPORT_RX	= 0x20007,
517 	MANA_QUERY_VPORT_CONFIG	= 0x20008,
518 
519 	/* Privileged commands for the PF mode */
520 	MANA_REGISTER_FILTER	= 0x28000,
521 	MANA_DEREGISTER_FILTER	= 0x28001,
522 	MANA_REGISTER_HW_PORT	= 0x28003,
523 	MANA_DEREGISTER_HW_PORT	= 0x28004,
524 };
525 
526 /* Query Device Configuration */
527 struct mana_query_device_cfg_req {
528 	struct gdma_req_hdr hdr;
529 
530 	/* MANA Nic Driver Capability flags */
531 	u64 mn_drv_cap_flags1;
532 	u64 mn_drv_cap_flags2;
533 	u64 mn_drv_cap_flags3;
534 	u64 mn_drv_cap_flags4;
535 
536 	u32 proto_major_ver;
537 	u32 proto_minor_ver;
538 	u32 proto_micro_ver;
539 
540 	u32 reserved;
541 }; /* HW DATA */
542 
543 struct mana_query_device_cfg_resp {
544 	struct gdma_resp_hdr hdr;
545 
546 	u64 pf_cap_flags1;
547 	u64 pf_cap_flags2;
548 	u64 pf_cap_flags3;
549 	u64 pf_cap_flags4;
550 
551 	u16 max_num_vports;
552 	u16 reserved;
553 	u32 max_num_eqs;
554 
555 	/* response v2: */
556 	u16 adapter_mtu;
557 	u16 reserved2;
558 	u32 reserved3;
559 }; /* HW DATA */
560 
561 /* Query vPort Configuration */
562 struct mana_query_vport_cfg_req {
563 	struct gdma_req_hdr hdr;
564 	u32 vport_index;
565 }; /* HW DATA */
566 
567 struct mana_query_vport_cfg_resp {
568 	struct gdma_resp_hdr hdr;
569 	u32 max_num_sq;
570 	u32 max_num_rq;
571 	u32 num_indirection_ent;
572 	u32 reserved1;
573 	u8 mac_addr[6];
574 	u8 reserved2[2];
575 	mana_handle_t vport;
576 }; /* HW DATA */
577 
578 /* Configure vPort */
579 struct mana_config_vport_req {
580 	struct gdma_req_hdr hdr;
581 	mana_handle_t vport;
582 	u32 pdid;
583 	u32 doorbell_pageid;
584 }; /* HW DATA */
585 
586 struct mana_config_vport_resp {
587 	struct gdma_resp_hdr hdr;
588 	u16 tx_vport_offset;
589 	u8 short_form_allowed;
590 	u8 reserved;
591 }; /* HW DATA */
592 
593 /* Create WQ Object */
594 struct mana_create_wqobj_req {
595 	struct gdma_req_hdr hdr;
596 	mana_handle_t vport;
597 	u32 wq_type;
598 	u32 reserved;
599 	u64 wq_gdma_region;
600 	u64 cq_gdma_region;
601 	u32 wq_size;
602 	u32 cq_size;
603 	u32 cq_moderation_ctx_id;
604 	u32 cq_parent_qid;
605 }; /* HW DATA */
606 
607 struct mana_create_wqobj_resp {
608 	struct gdma_resp_hdr hdr;
609 	u32 wq_id;
610 	u32 cq_id;
611 	mana_handle_t wq_obj;
612 }; /* HW DATA */
613 
614 /* Destroy WQ Object */
615 struct mana_destroy_wqobj_req {
616 	struct gdma_req_hdr hdr;
617 	u32 wq_type;
618 	u32 reserved;
619 	mana_handle_t wq_obj_handle;
620 }; /* HW DATA */
621 
622 struct mana_destroy_wqobj_resp {
623 	struct gdma_resp_hdr hdr;
624 }; /* HW DATA */
625 
626 /* Fence RQ */
627 struct mana_fence_rq_req {
628 	struct gdma_req_hdr hdr;
629 	mana_handle_t wq_obj_handle;
630 }; /* HW DATA */
631 
632 struct mana_fence_rq_resp {
633 	struct gdma_resp_hdr hdr;
634 }; /* HW DATA */
635 
636 /* Query stats RQ */
637 struct mana_query_gf_stat_req {
638 	struct gdma_req_hdr hdr;
639 	u64 req_stats;
640 }; /* HW DATA */
641 
642 struct mana_query_gf_stat_resp {
643 	struct gdma_resp_hdr hdr;
644 	u64 reported_stats;
645 	/* rx errors/discards */
646 	u64 rx_discards_nowqe;
647 	u64 rx_err_vport_disabled;
648 	/* rx bytes/packets */
649 	u64 hc_rx_bytes;
650 	u64 hc_rx_ucast_pkts;
651 	u64 hc_rx_ucast_bytes;
652 	u64 hc_rx_bcast_pkts;
653 	u64 hc_rx_bcast_bytes;
654 	u64 hc_rx_mcast_pkts;
655 	u64 hc_rx_mcast_bytes;
656 	/* tx errors */
657 	u64 tx_err_gf_disabled;
658 	u64 tx_err_vport_disabled;
659 	u64 tx_err_inval_vport_offset_pkt;
660 	u64 tx_err_vlan_enforcement;
661 	u64 tx_err_ethtype_enforcement;
662 	u64 tx_err_SA_enforcement;
663 	u64 tx_err_SQPDID_enforcement;
664 	u64 tx_err_CQPDID_enforcement;
665 	u64 tx_err_mtu_violation;
666 	u64 tx_err_inval_oob;
667 	/* tx bytes/packets */
668 	u64 hc_tx_bytes;
669 	u64 hc_tx_ucast_pkts;
670 	u64 hc_tx_ucast_bytes;
671 	u64 hc_tx_bcast_pkts;
672 	u64 hc_tx_bcast_bytes;
673 	u64 hc_tx_mcast_pkts;
674 	u64 hc_tx_mcast_bytes;
675 	/* tx error */
676 	u64 tx_err_gdma;
677 }; /* HW DATA */
678 
679 /* Configure vPort Rx Steering */
680 struct mana_cfg_rx_steer_req_v2 {
681 	struct gdma_req_hdr hdr;
682 	mana_handle_t vport;
683 	u16 num_indir_entries;
684 	u16 indir_tab_offset;
685 	u32 rx_enable;
686 	u32 rss_enable;
687 	u8 update_default_rxobj;
688 	u8 update_hashkey;
689 	u8 update_indir_tab;
690 	u8 reserved;
691 	mana_handle_t default_rxobj;
692 	u8 hashkey[MANA_HASH_KEY_SIZE];
693 	u8 cqe_coalescing_enable;
694 	u8 reserved2[7];
695 	mana_handle_t indir_tab[] __counted_by(num_indir_entries);
696 }; /* HW DATA */
697 
698 struct mana_cfg_rx_steer_resp {
699 	struct gdma_resp_hdr hdr;
700 }; /* HW DATA */
701 
702 /* Register HW vPort */
703 struct mana_register_hw_vport_req {
704 	struct gdma_req_hdr hdr;
705 	u16 attached_gfid;
706 	u8 is_pf_default_vport;
707 	u8 reserved1;
708 	u8 allow_all_ether_types;
709 	u8 reserved2;
710 	u8 reserved3;
711 	u8 reserved4;
712 }; /* HW DATA */
713 
714 struct mana_register_hw_vport_resp {
715 	struct gdma_resp_hdr hdr;
716 	mana_handle_t hw_vport_handle;
717 }; /* HW DATA */
718 
719 /* Deregister HW vPort */
720 struct mana_deregister_hw_vport_req {
721 	struct gdma_req_hdr hdr;
722 	mana_handle_t hw_vport_handle;
723 }; /* HW DATA */
724 
725 struct mana_deregister_hw_vport_resp {
726 	struct gdma_resp_hdr hdr;
727 }; /* HW DATA */
728 
729 /* Register filter */
730 struct mana_register_filter_req {
731 	struct gdma_req_hdr hdr;
732 	mana_handle_t vport;
733 	u8 mac_addr[6];
734 	u8 reserved1;
735 	u8 reserved2;
736 	u8 reserved3;
737 	u8 reserved4;
738 	u16 reserved5;
739 	u32 reserved6;
740 	u32 reserved7;
741 	u32 reserved8;
742 }; /* HW DATA */
743 
744 struct mana_register_filter_resp {
745 	struct gdma_resp_hdr hdr;
746 	mana_handle_t filter_handle;
747 }; /* HW DATA */
748 
749 /* Deregister filter */
750 struct mana_deregister_filter_req {
751 	struct gdma_req_hdr hdr;
752 	mana_handle_t filter_handle;
753 }; /* HW DATA */
754 
755 struct mana_deregister_filter_resp {
756 	struct gdma_resp_hdr hdr;
757 }; /* HW DATA */
758 
759 /* Requested GF stats Flags */
760 /* Rx discards/Errors */
761 #define STATISTICS_FLAGS_RX_DISCARDS_NO_WQE		0x0000000000000001
762 #define STATISTICS_FLAGS_RX_ERRORS_VPORT_DISABLED	0x0000000000000002
763 /* Rx bytes/pkts */
764 #define STATISTICS_FLAGS_HC_RX_BYTES			0x0000000000000004
765 #define STATISTICS_FLAGS_HC_RX_UCAST_PACKETS		0x0000000000000008
766 #define STATISTICS_FLAGS_HC_RX_UCAST_BYTES		0x0000000000000010
767 #define STATISTICS_FLAGS_HC_RX_MCAST_PACKETS		0x0000000000000020
768 #define STATISTICS_FLAGS_HC_RX_MCAST_BYTES		0x0000000000000040
769 #define STATISTICS_FLAGS_HC_RX_BCAST_PACKETS		0x0000000000000080
770 #define STATISTICS_FLAGS_HC_RX_BCAST_BYTES		0x0000000000000100
771 /* Tx errors */
772 #define STATISTICS_FLAGS_TX_ERRORS_GF_DISABLED		0x0000000000000200
773 #define STATISTICS_FLAGS_TX_ERRORS_VPORT_DISABLED	0x0000000000000400
774 #define STATISTICS_FLAGS_TX_ERRORS_INVAL_VPORT_OFFSET_PACKETS		\
775 							0x0000000000000800
776 #define STATISTICS_FLAGS_TX_ERRORS_VLAN_ENFORCEMENT	0x0000000000001000
777 #define STATISTICS_FLAGS_TX_ERRORS_ETH_TYPE_ENFORCEMENT			\
778 							0x0000000000002000
779 #define STATISTICS_FLAGS_TX_ERRORS_SA_ENFORCEMENT	0x0000000000004000
780 #define STATISTICS_FLAGS_TX_ERRORS_SQPDID_ENFORCEMENT	0x0000000000008000
781 #define STATISTICS_FLAGS_TX_ERRORS_CQPDID_ENFORCEMENT	0x0000000000010000
782 #define STATISTICS_FLAGS_TX_ERRORS_MTU_VIOLATION	0x0000000000020000
783 #define STATISTICS_FLAGS_TX_ERRORS_INVALID_OOB		0x0000000000040000
784 /* Tx bytes/pkts */
785 #define STATISTICS_FLAGS_HC_TX_BYTES			0x0000000000080000
786 #define STATISTICS_FLAGS_HC_TX_UCAST_PACKETS		0x0000000000100000
787 #define STATISTICS_FLAGS_HC_TX_UCAST_BYTES		0x0000000000200000
788 #define STATISTICS_FLAGS_HC_TX_MCAST_PACKETS		0x0000000000400000
789 #define STATISTICS_FLAGS_HC_TX_MCAST_BYTES		0x0000000000800000
790 #define STATISTICS_FLAGS_HC_TX_BCAST_PACKETS		0x0000000001000000
791 #define STATISTICS_FLAGS_HC_TX_BCAST_BYTES		0x0000000002000000
792 /* Tx error */
793 #define STATISTICS_FLAGS_TX_ERRORS_GDMA_ERROR		0x0000000004000000
794 
795 #define MANA_MAX_NUM_QUEUES 64
796 
797 #define MANA_SHORT_VPORT_OFFSET_MAX ((1U << 8) - 1)
798 
799 struct mana_tx_package {
800 	struct gdma_wqe_request wqe_req;
801 	struct gdma_sge sgl_array[5];
802 	struct gdma_sge *sgl_ptr;
803 
804 	struct mana_tx_oob tx_oob;
805 
806 	struct gdma_posted_wqe_info wqe_info;
807 };
808 
809 int mana_create_wq_obj(struct mana_port_context *apc,
810 		       mana_handle_t vport,
811 		       u32 wq_type, struct mana_obj_spec *wq_spec,
812 		       struct mana_obj_spec *cq_spec,
813 		       mana_handle_t *wq_obj);
814 
815 void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type,
816 			 mana_handle_t wq_obj);
817 
818 int mana_cfg_vport(struct mana_port_context *apc, u32 protection_dom_id,
819 		   u32 doorbell_pg_id);
820 void mana_uncfg_vport(struct mana_port_context *apc);
821 
822 struct net_device *mana_get_primary_netdev_rcu(struct mana_context *ac, u32 port_index);
823 #endif /* _MANA_H */
824