xref: /linux/include/net/mana/mana.h (revision 3fd6c59042dbba50391e30862beac979491145fe)
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 1024
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 	struct dentry *mana_rx_debugfs;
354 
355 	/* MUST BE THE LAST MEMBER:
356 	 * Each receive buffer has an associated mana_recv_buf_oob.
357 	 */
358 	struct mana_recv_buf_oob rx_oobs[] __counted_by(num_rx_buf);
359 };
360 
361 struct mana_tx_qp {
362 	struct mana_txq txq;
363 
364 	struct mana_cq tx_cq;
365 
366 	mana_handle_t tx_object;
367 
368 	struct dentry *mana_tx_debugfs;
369 };
370 
371 struct mana_ethtool_stats {
372 	u64 stop_queue;
373 	u64 wake_queue;
374 	u64 hc_rx_discards_no_wqe;
375 	u64 hc_rx_err_vport_disabled;
376 	u64 hc_rx_bytes;
377 	u64 hc_rx_ucast_pkts;
378 	u64 hc_rx_ucast_bytes;
379 	u64 hc_rx_bcast_pkts;
380 	u64 hc_rx_bcast_bytes;
381 	u64 hc_rx_mcast_pkts;
382 	u64 hc_rx_mcast_bytes;
383 	u64 hc_tx_err_gf_disabled;
384 	u64 hc_tx_err_vport_disabled;
385 	u64 hc_tx_err_inval_vportoffset_pkt;
386 	u64 hc_tx_err_vlan_enforcement;
387 	u64 hc_tx_err_eth_type_enforcement;
388 	u64 hc_tx_err_sa_enforcement;
389 	u64 hc_tx_err_sqpdid_enforcement;
390 	u64 hc_tx_err_cqpdid_enforcement;
391 	u64 hc_tx_err_mtu_violation;
392 	u64 hc_tx_err_inval_oob;
393 	u64 hc_tx_bytes;
394 	u64 hc_tx_ucast_pkts;
395 	u64 hc_tx_ucast_bytes;
396 	u64 hc_tx_bcast_pkts;
397 	u64 hc_tx_bcast_bytes;
398 	u64 hc_tx_mcast_pkts;
399 	u64 hc_tx_mcast_bytes;
400 	u64 hc_tx_err_gdma;
401 	u64 tx_cqe_err;
402 	u64 tx_cqe_unknown_type;
403 	u64 rx_coalesced_err;
404 	u64 rx_cqe_unknown_type;
405 };
406 
407 struct mana_context {
408 	struct gdma_dev *gdma_dev;
409 
410 	u16 num_ports;
411 
412 	struct mana_eq *eqs;
413 	struct dentry *mana_eqs_debugfs;
414 
415 	struct net_device *ports[MAX_PORTS_IN_MANA_DEV];
416 };
417 
418 struct mana_port_context {
419 	struct mana_context *ac;
420 	struct net_device *ndev;
421 
422 	u8 mac_addr[ETH_ALEN];
423 
424 	enum TRI_STATE rss_state;
425 
426 	mana_handle_t default_rxobj;
427 	bool tx_shortform_allowed;
428 	u16 tx_vp_offset;
429 
430 	struct mana_tx_qp *tx_qp;
431 
432 	/* Indirection Table for RX & TX. The values are queue indexes */
433 	u32 *indir_table;
434 	u32 indir_table_sz;
435 
436 	/* Indirection table containing RxObject Handles */
437 	mana_handle_t *rxobj_table;
438 
439 	/*  Hash key used by the NIC */
440 	u8 hashkey[MANA_HASH_KEY_SIZE];
441 
442 	/* This points to an array of num_queues of RQ pointers. */
443 	struct mana_rxq **rxqs;
444 
445 	/* pre-allocated rx buffer array */
446 	void **rxbufs_pre;
447 	dma_addr_t *das_pre;
448 	int rxbpre_total;
449 	u32 rxbpre_datasize;
450 	u32 rxbpre_alloc_size;
451 	u32 rxbpre_headroom;
452 
453 	struct bpf_prog *bpf_prog;
454 
455 	/* Create num_queues EQs, SQs, SQ-CQs, RQs and RQ-CQs, respectively. */
456 	unsigned int max_queues;
457 	unsigned int num_queues;
458 
459 	unsigned int rx_queue_size;
460 	unsigned int tx_queue_size;
461 
462 	mana_handle_t port_handle;
463 	mana_handle_t pf_filter_handle;
464 
465 	/* Mutex for sharing access to vport_use_count */
466 	struct mutex vport_mutex;
467 	int vport_use_count;
468 
469 	u16 port_idx;
470 
471 	bool port_is_up;
472 	bool port_st_save; /* Saved port state */
473 
474 	struct mana_ethtool_stats eth_stats;
475 
476 	/* Debugfs */
477 	struct dentry *mana_port_debugfs;
478 };
479 
480 netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev);
481 int mana_config_rss(struct mana_port_context *ac, enum TRI_STATE rx,
482 		    bool update_hash, bool update_tab);
483 
484 int mana_alloc_queues(struct net_device *ndev);
485 int mana_attach(struct net_device *ndev);
486 int mana_detach(struct net_device *ndev, bool from_close);
487 
488 int mana_probe(struct gdma_dev *gd, bool resuming);
489 void mana_remove(struct gdma_dev *gd, bool suspending);
490 
491 void mana_xdp_tx(struct sk_buff *skb, struct net_device *ndev);
492 int mana_xdp_xmit(struct net_device *ndev, int n, struct xdp_frame **frames,
493 		  u32 flags);
494 u32 mana_run_xdp(struct net_device *ndev, struct mana_rxq *rxq,
495 		 struct xdp_buff *xdp, void *buf_va, uint pkt_len);
496 struct bpf_prog *mana_xdp_get(struct mana_port_context *apc);
497 void mana_chn_setxdp(struct mana_port_context *apc, struct bpf_prog *prog);
498 int mana_bpf(struct net_device *ndev, struct netdev_bpf *bpf);
499 void mana_query_gf_stats(struct mana_port_context *apc);
500 int mana_pre_alloc_rxbufs(struct mana_port_context *apc, int mtu, int num_queues);
501 void mana_pre_dealloc_rxbufs(struct mana_port_context *apc);
502 
503 extern const struct ethtool_ops mana_ethtool_ops;
504 extern struct dentry *mana_debugfs_root;
505 
506 /* A CQ can be created not associated with any EQ */
507 #define GDMA_CQ_NO_EQ  0xffff
508 
509 struct mana_obj_spec {
510 	u32 queue_index;
511 	u64 gdma_region;
512 	u32 queue_size;
513 	u32 attached_eq;
514 	u32 modr_ctx_id;
515 };
516 
517 enum mana_command_code {
518 	MANA_QUERY_DEV_CONFIG	= 0x20001,
519 	MANA_QUERY_GF_STAT	= 0x20002,
520 	MANA_CONFIG_VPORT_TX	= 0x20003,
521 	MANA_CREATE_WQ_OBJ	= 0x20004,
522 	MANA_DESTROY_WQ_OBJ	= 0x20005,
523 	MANA_FENCE_RQ		= 0x20006,
524 	MANA_CONFIG_VPORT_RX	= 0x20007,
525 	MANA_QUERY_VPORT_CONFIG	= 0x20008,
526 
527 	/* Privileged commands for the PF mode */
528 	MANA_REGISTER_FILTER	= 0x28000,
529 	MANA_DEREGISTER_FILTER	= 0x28001,
530 	MANA_REGISTER_HW_PORT	= 0x28003,
531 	MANA_DEREGISTER_HW_PORT	= 0x28004,
532 };
533 
534 /* Query Device Configuration */
535 struct mana_query_device_cfg_req {
536 	struct gdma_req_hdr hdr;
537 
538 	/* MANA Nic Driver Capability flags */
539 	u64 mn_drv_cap_flags1;
540 	u64 mn_drv_cap_flags2;
541 	u64 mn_drv_cap_flags3;
542 	u64 mn_drv_cap_flags4;
543 
544 	u32 proto_major_ver;
545 	u32 proto_minor_ver;
546 	u32 proto_micro_ver;
547 
548 	u32 reserved;
549 }; /* HW DATA */
550 
551 struct mana_query_device_cfg_resp {
552 	struct gdma_resp_hdr hdr;
553 
554 	u64 pf_cap_flags1;
555 	u64 pf_cap_flags2;
556 	u64 pf_cap_flags3;
557 	u64 pf_cap_flags4;
558 
559 	u16 max_num_vports;
560 	u16 reserved;
561 	u32 max_num_eqs;
562 
563 	/* response v2: */
564 	u16 adapter_mtu;
565 	u16 reserved2;
566 	u32 reserved3;
567 }; /* HW DATA */
568 
569 /* Query vPort Configuration */
570 struct mana_query_vport_cfg_req {
571 	struct gdma_req_hdr hdr;
572 	u32 vport_index;
573 }; /* HW DATA */
574 
575 struct mana_query_vport_cfg_resp {
576 	struct gdma_resp_hdr hdr;
577 	u32 max_num_sq;
578 	u32 max_num_rq;
579 	u32 num_indirection_ent;
580 	u32 reserved1;
581 	u8 mac_addr[6];
582 	u8 reserved2[2];
583 	mana_handle_t vport;
584 }; /* HW DATA */
585 
586 /* Configure vPort */
587 struct mana_config_vport_req {
588 	struct gdma_req_hdr hdr;
589 	mana_handle_t vport;
590 	u32 pdid;
591 	u32 doorbell_pageid;
592 }; /* HW DATA */
593 
594 struct mana_config_vport_resp {
595 	struct gdma_resp_hdr hdr;
596 	u16 tx_vport_offset;
597 	u8 short_form_allowed;
598 	u8 reserved;
599 }; /* HW DATA */
600 
601 /* Create WQ Object */
602 struct mana_create_wqobj_req {
603 	struct gdma_req_hdr hdr;
604 	mana_handle_t vport;
605 	u32 wq_type;
606 	u32 reserved;
607 	u64 wq_gdma_region;
608 	u64 cq_gdma_region;
609 	u32 wq_size;
610 	u32 cq_size;
611 	u32 cq_moderation_ctx_id;
612 	u32 cq_parent_qid;
613 }; /* HW DATA */
614 
615 struct mana_create_wqobj_resp {
616 	struct gdma_resp_hdr hdr;
617 	u32 wq_id;
618 	u32 cq_id;
619 	mana_handle_t wq_obj;
620 }; /* HW DATA */
621 
622 /* Destroy WQ Object */
623 struct mana_destroy_wqobj_req {
624 	struct gdma_req_hdr hdr;
625 	u32 wq_type;
626 	u32 reserved;
627 	mana_handle_t wq_obj_handle;
628 }; /* HW DATA */
629 
630 struct mana_destroy_wqobj_resp {
631 	struct gdma_resp_hdr hdr;
632 }; /* HW DATA */
633 
634 /* Fence RQ */
635 struct mana_fence_rq_req {
636 	struct gdma_req_hdr hdr;
637 	mana_handle_t wq_obj_handle;
638 }; /* HW DATA */
639 
640 struct mana_fence_rq_resp {
641 	struct gdma_resp_hdr hdr;
642 }; /* HW DATA */
643 
644 /* Query stats RQ */
645 struct mana_query_gf_stat_req {
646 	struct gdma_req_hdr hdr;
647 	u64 req_stats;
648 }; /* HW DATA */
649 
650 struct mana_query_gf_stat_resp {
651 	struct gdma_resp_hdr hdr;
652 	u64 reported_stats;
653 	/* rx errors/discards */
654 	u64 rx_discards_nowqe;
655 	u64 rx_err_vport_disabled;
656 	/* rx bytes/packets */
657 	u64 hc_rx_bytes;
658 	u64 hc_rx_ucast_pkts;
659 	u64 hc_rx_ucast_bytes;
660 	u64 hc_rx_bcast_pkts;
661 	u64 hc_rx_bcast_bytes;
662 	u64 hc_rx_mcast_pkts;
663 	u64 hc_rx_mcast_bytes;
664 	/* tx errors */
665 	u64 tx_err_gf_disabled;
666 	u64 tx_err_vport_disabled;
667 	u64 tx_err_inval_vport_offset_pkt;
668 	u64 tx_err_vlan_enforcement;
669 	u64 tx_err_ethtype_enforcement;
670 	u64 tx_err_SA_enforcement;
671 	u64 tx_err_SQPDID_enforcement;
672 	u64 tx_err_CQPDID_enforcement;
673 	u64 tx_err_mtu_violation;
674 	u64 tx_err_inval_oob;
675 	/* tx bytes/packets */
676 	u64 hc_tx_bytes;
677 	u64 hc_tx_ucast_pkts;
678 	u64 hc_tx_ucast_bytes;
679 	u64 hc_tx_bcast_pkts;
680 	u64 hc_tx_bcast_bytes;
681 	u64 hc_tx_mcast_pkts;
682 	u64 hc_tx_mcast_bytes;
683 	/* tx error */
684 	u64 tx_err_gdma;
685 }; /* HW DATA */
686 
687 /* Configure vPort Rx Steering */
688 struct mana_cfg_rx_steer_req_v2 {
689 	struct gdma_req_hdr hdr;
690 	mana_handle_t vport;
691 	u16 num_indir_entries;
692 	u16 indir_tab_offset;
693 	u32 rx_enable;
694 	u32 rss_enable;
695 	u8 update_default_rxobj;
696 	u8 update_hashkey;
697 	u8 update_indir_tab;
698 	u8 reserved;
699 	mana_handle_t default_rxobj;
700 	u8 hashkey[MANA_HASH_KEY_SIZE];
701 	u8 cqe_coalescing_enable;
702 	u8 reserved2[7];
703 	mana_handle_t indir_tab[] __counted_by(num_indir_entries);
704 }; /* HW DATA */
705 
706 struct mana_cfg_rx_steer_resp {
707 	struct gdma_resp_hdr hdr;
708 }; /* HW DATA */
709 
710 /* Register HW vPort */
711 struct mana_register_hw_vport_req {
712 	struct gdma_req_hdr hdr;
713 	u16 attached_gfid;
714 	u8 is_pf_default_vport;
715 	u8 reserved1;
716 	u8 allow_all_ether_types;
717 	u8 reserved2;
718 	u8 reserved3;
719 	u8 reserved4;
720 }; /* HW DATA */
721 
722 struct mana_register_hw_vport_resp {
723 	struct gdma_resp_hdr hdr;
724 	mana_handle_t hw_vport_handle;
725 }; /* HW DATA */
726 
727 /* Deregister HW vPort */
728 struct mana_deregister_hw_vport_req {
729 	struct gdma_req_hdr hdr;
730 	mana_handle_t hw_vport_handle;
731 }; /* HW DATA */
732 
733 struct mana_deregister_hw_vport_resp {
734 	struct gdma_resp_hdr hdr;
735 }; /* HW DATA */
736 
737 /* Register filter */
738 struct mana_register_filter_req {
739 	struct gdma_req_hdr hdr;
740 	mana_handle_t vport;
741 	u8 mac_addr[6];
742 	u8 reserved1;
743 	u8 reserved2;
744 	u8 reserved3;
745 	u8 reserved4;
746 	u16 reserved5;
747 	u32 reserved6;
748 	u32 reserved7;
749 	u32 reserved8;
750 }; /* HW DATA */
751 
752 struct mana_register_filter_resp {
753 	struct gdma_resp_hdr hdr;
754 	mana_handle_t filter_handle;
755 }; /* HW DATA */
756 
757 /* Deregister filter */
758 struct mana_deregister_filter_req {
759 	struct gdma_req_hdr hdr;
760 	mana_handle_t filter_handle;
761 }; /* HW DATA */
762 
763 struct mana_deregister_filter_resp {
764 	struct gdma_resp_hdr hdr;
765 }; /* HW DATA */
766 
767 /* Requested GF stats Flags */
768 /* Rx discards/Errors */
769 #define STATISTICS_FLAGS_RX_DISCARDS_NO_WQE		0x0000000000000001
770 #define STATISTICS_FLAGS_RX_ERRORS_VPORT_DISABLED	0x0000000000000002
771 /* Rx bytes/pkts */
772 #define STATISTICS_FLAGS_HC_RX_BYTES			0x0000000000000004
773 #define STATISTICS_FLAGS_HC_RX_UCAST_PACKETS		0x0000000000000008
774 #define STATISTICS_FLAGS_HC_RX_UCAST_BYTES		0x0000000000000010
775 #define STATISTICS_FLAGS_HC_RX_MCAST_PACKETS		0x0000000000000020
776 #define STATISTICS_FLAGS_HC_RX_MCAST_BYTES		0x0000000000000040
777 #define STATISTICS_FLAGS_HC_RX_BCAST_PACKETS		0x0000000000000080
778 #define STATISTICS_FLAGS_HC_RX_BCAST_BYTES		0x0000000000000100
779 /* Tx errors */
780 #define STATISTICS_FLAGS_TX_ERRORS_GF_DISABLED		0x0000000000000200
781 #define STATISTICS_FLAGS_TX_ERRORS_VPORT_DISABLED	0x0000000000000400
782 #define STATISTICS_FLAGS_TX_ERRORS_INVAL_VPORT_OFFSET_PACKETS		\
783 							0x0000000000000800
784 #define STATISTICS_FLAGS_TX_ERRORS_VLAN_ENFORCEMENT	0x0000000000001000
785 #define STATISTICS_FLAGS_TX_ERRORS_ETH_TYPE_ENFORCEMENT			\
786 							0x0000000000002000
787 #define STATISTICS_FLAGS_TX_ERRORS_SA_ENFORCEMENT	0x0000000000004000
788 #define STATISTICS_FLAGS_TX_ERRORS_SQPDID_ENFORCEMENT	0x0000000000008000
789 #define STATISTICS_FLAGS_TX_ERRORS_CQPDID_ENFORCEMENT	0x0000000000010000
790 #define STATISTICS_FLAGS_TX_ERRORS_MTU_VIOLATION	0x0000000000020000
791 #define STATISTICS_FLAGS_TX_ERRORS_INVALID_OOB		0x0000000000040000
792 /* Tx bytes/pkts */
793 #define STATISTICS_FLAGS_HC_TX_BYTES			0x0000000000080000
794 #define STATISTICS_FLAGS_HC_TX_UCAST_PACKETS		0x0000000000100000
795 #define STATISTICS_FLAGS_HC_TX_UCAST_BYTES		0x0000000000200000
796 #define STATISTICS_FLAGS_HC_TX_MCAST_PACKETS		0x0000000000400000
797 #define STATISTICS_FLAGS_HC_TX_MCAST_BYTES		0x0000000000800000
798 #define STATISTICS_FLAGS_HC_TX_BCAST_PACKETS		0x0000000001000000
799 #define STATISTICS_FLAGS_HC_TX_BCAST_BYTES		0x0000000002000000
800 /* Tx error */
801 #define STATISTICS_FLAGS_TX_ERRORS_GDMA_ERROR		0x0000000004000000
802 
803 #define MANA_MAX_NUM_QUEUES 64
804 
805 #define MANA_SHORT_VPORT_OFFSET_MAX ((1U << 8) - 1)
806 
807 struct mana_tx_package {
808 	struct gdma_wqe_request wqe_req;
809 	struct gdma_sge sgl_array[5];
810 	struct gdma_sge *sgl_ptr;
811 
812 	struct mana_tx_oob tx_oob;
813 
814 	struct gdma_posted_wqe_info wqe_info;
815 };
816 
817 int mana_create_wq_obj(struct mana_port_context *apc,
818 		       mana_handle_t vport,
819 		       u32 wq_type, struct mana_obj_spec *wq_spec,
820 		       struct mana_obj_spec *cq_spec,
821 		       mana_handle_t *wq_obj);
822 
823 void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type,
824 			 mana_handle_t wq_obj);
825 
826 int mana_cfg_vport(struct mana_port_context *apc, u32 protection_dom_id,
827 		   u32 doorbell_pg_id);
828 void mana_uncfg_vport(struct mana_port_context *apc);
829 
830 struct net_device *mana_get_primary_netdev_rcu(struct mana_context *ac, u32 port_index);
831 #endif /* _MANA_H */
832