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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
23typedef u64 mana_handle_t;
24#define INVALID_MANA_HANDLE ((mana_handle_t)-1)
25
26enum 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
67struct 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
76struct 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
91struct 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 */
119struct 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
128enum mana_tx_pkt_format {
129 MANA_SHORT_PKT_FMT = 0,
130 MANA_LONG_PKT_FMT = 1,
131};
132
133struct 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
148struct 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
167struct mana_tx_oob {
168 struct mana_tx_short_oob s_oob;
169 struct mana_tx_long_oob l_oob;
170}; /* HW DATA */
171
172enum mana_cq_type {
173 MANA_CQ_TYPE_RX,
174 MANA_CQ_TYPE_TX,
175};
176
177enum 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
198struct 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
220struct 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 */
230struct 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
252struct 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
263struct mana_rxq;
264
265#define CQE_POLLING_BUFFER 512
266
267struct 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
296struct 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
319struct 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
361struct 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
371struct 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
407struct 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
418struct 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
480netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev);
481int mana_config_rss(struct mana_port_context *ac, enum TRI_STATE rx,
482 bool update_hash, bool update_tab);
483
484int mana_alloc_queues(struct net_device *ndev);
485int mana_attach(struct net_device *ndev);
486int mana_detach(struct net_device *ndev, bool from_close);
487
488int mana_probe(struct gdma_dev *gd, bool resuming);
489void mana_remove(struct gdma_dev *gd, bool suspending);
490
491void mana_xdp_tx(struct sk_buff *skb, struct net_device *ndev);
492int mana_xdp_xmit(struct net_device *ndev, int n, struct xdp_frame **frames,
493 u32 flags);
494u32 mana_run_xdp(struct net_device *ndev, struct mana_rxq *rxq,
495 struct xdp_buff *xdp, void *buf_va, uint pkt_len);
496struct bpf_prog *mana_xdp_get(struct mana_port_context *apc);
497void mana_chn_setxdp(struct mana_port_context *apc, struct bpf_prog *prog);
498int mana_bpf(struct net_device *ndev, struct netdev_bpf *bpf);
499void mana_query_gf_stats(struct mana_port_context *apc);
500int mana_pre_alloc_rxbufs(struct mana_port_context *apc, int mtu, int num_queues);
501void mana_pre_dealloc_rxbufs(struct mana_port_context *apc);
502
503extern const struct ethtool_ops mana_ethtool_ops;
504extern 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
509struct 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
517enum 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 */
535struct 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
551struct 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 */
570struct mana_query_vport_cfg_req {
571 struct gdma_req_hdr hdr;
572 u32 vport_index;
573}; /* HW DATA */
574
575struct 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 */
587struct 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
594struct 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 */
602struct 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
615struct 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 */
623struct 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
630struct mana_destroy_wqobj_resp {
631 struct gdma_resp_hdr hdr;
632}; /* HW DATA */
633
634/* Fence RQ */
635struct mana_fence_rq_req {
636 struct gdma_req_hdr hdr;
637 mana_handle_t wq_obj_handle;
638}; /* HW DATA */
639
640struct mana_fence_rq_resp {
641 struct gdma_resp_hdr hdr;
642}; /* HW DATA */
643
644/* Query stats RQ */
645struct mana_query_gf_stat_req {
646 struct gdma_req_hdr hdr;
647 u64 req_stats;
648}; /* HW DATA */
649
650struct 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 */
688struct 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
706struct mana_cfg_rx_steer_resp {
707 struct gdma_resp_hdr hdr;
708}; /* HW DATA */
709
710/* Register HW vPort */
711struct 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
722struct 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 */
728struct mana_deregister_hw_vport_req {
729 struct gdma_req_hdr hdr;
730 mana_handle_t hw_vport_handle;
731}; /* HW DATA */
732
733struct mana_deregister_hw_vport_resp {
734 struct gdma_resp_hdr hdr;
735}; /* HW DATA */
736
737/* Register filter */
738struct 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
752struct mana_register_filter_resp {
753 struct gdma_resp_hdr hdr;
754 mana_handle_t filter_handle;
755}; /* HW DATA */
756
757/* Deregister filter */
758struct mana_deregister_filter_req {
759 struct gdma_req_hdr hdr;
760 mana_handle_t filter_handle;
761}; /* HW DATA */
762
763struct 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
807struct 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
817int 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
823void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type,
824 mana_handle_t wq_obj);
825
826int mana_cfg_vport(struct mana_port_context *apc, u32 protection_dom_id,
827 u32 doorbell_pg_id);
828void mana_uncfg_vport(struct mana_port_context *apc);
829
830struct net_device *mana_get_primary_netdev_rcu(struct mana_context *ac, u32 port_index);
831#endif /* _MANA_H */
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
23typedef u64 mana_handle_t;
24#define INVALID_MANA_HANDLE ((mana_handle_t)-1)
25
26enum 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_SIZE 64
34#define MANA_INDIRECT_TABLE_MASK (MANA_INDIRECT_TABLE_SIZE - 1)
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#define RX_BUFFERS_PER_QUEUE 512
42
43#define MAX_SEND_BUFFERS_PER_QUEUE 256
44
45#define EQ_SIZE (8 * PAGE_SIZE)
46#define LOG2_EQ_THROTTLE 3
47
48#define MAX_PORTS_IN_MANA_DEV 256
49
50/* Update this count whenever the respective structures are changed */
51#define MANA_STATS_RX_COUNT 5
52#define MANA_STATS_TX_COUNT 11
53
54struct mana_stats_rx {
55 u64 packets;
56 u64 bytes;
57 u64 xdp_drop;
58 u64 xdp_tx;
59 u64 xdp_redirect;
60 struct u64_stats_sync syncp;
61};
62
63struct mana_stats_tx {
64 u64 packets;
65 u64 bytes;
66 u64 xdp_xmit;
67 u64 tso_packets;
68 u64 tso_bytes;
69 u64 tso_inner_packets;
70 u64 tso_inner_bytes;
71 u64 short_pkt_fmt;
72 u64 long_pkt_fmt;
73 u64 csum_partial;
74 u64 mana_map_err;
75 struct u64_stats_sync syncp;
76};
77
78struct mana_txq {
79 struct gdma_queue *gdma_sq;
80
81 union {
82 u32 gdma_txq_id;
83 struct {
84 u32 reserved1 : 10;
85 u32 vsq_frame : 14;
86 u32 reserved2 : 8;
87 };
88 };
89
90 u16 vp_offset;
91
92 struct net_device *ndev;
93
94 /* The SKBs are sent to the HW and we are waiting for the CQEs. */
95 struct sk_buff_head pending_skbs;
96 struct netdev_queue *net_txq;
97
98 atomic_t pending_sends;
99
100 struct mana_stats_tx stats;
101};
102
103/* skb data and frags dma mappings */
104struct mana_skb_head {
105 /* GSO pkts may have 2 SGEs for the linear part*/
106 dma_addr_t dma_handle[MAX_SKB_FRAGS + 2];
107
108 u32 size[MAX_SKB_FRAGS + 2];
109};
110
111#define MANA_HEADROOM sizeof(struct mana_skb_head)
112
113enum mana_tx_pkt_format {
114 MANA_SHORT_PKT_FMT = 0,
115 MANA_LONG_PKT_FMT = 1,
116};
117
118struct mana_tx_short_oob {
119 u32 pkt_fmt : 2;
120 u32 is_outer_ipv4 : 1;
121 u32 is_outer_ipv6 : 1;
122 u32 comp_iphdr_csum : 1;
123 u32 comp_tcp_csum : 1;
124 u32 comp_udp_csum : 1;
125 u32 supress_txcqe_gen : 1;
126 u32 vcq_num : 24;
127
128 u32 trans_off : 10; /* Transport header offset */
129 u32 vsq_frame : 14;
130 u32 short_vp_offset : 8;
131}; /* HW DATA */
132
133struct mana_tx_long_oob {
134 u32 is_encap : 1;
135 u32 inner_is_ipv6 : 1;
136 u32 inner_tcp_opt : 1;
137 u32 inject_vlan_pri_tag : 1;
138 u32 reserved1 : 12;
139 u32 pcp : 3; /* 802.1Q */
140 u32 dei : 1; /* 802.1Q */
141 u32 vlan_id : 12; /* 802.1Q */
142
143 u32 inner_frame_offset : 10;
144 u32 inner_ip_rel_offset : 6;
145 u32 long_vp_offset : 12;
146 u32 reserved2 : 4;
147
148 u32 reserved3;
149 u32 reserved4;
150}; /* HW DATA */
151
152struct mana_tx_oob {
153 struct mana_tx_short_oob s_oob;
154 struct mana_tx_long_oob l_oob;
155}; /* HW DATA */
156
157enum mana_cq_type {
158 MANA_CQ_TYPE_RX,
159 MANA_CQ_TYPE_TX,
160};
161
162enum mana_cqe_type {
163 CQE_INVALID = 0,
164 CQE_RX_OKAY = 1,
165 CQE_RX_COALESCED_4 = 2,
166 CQE_RX_OBJECT_FENCE = 3,
167 CQE_RX_TRUNCATED = 4,
168
169 CQE_TX_OKAY = 32,
170 CQE_TX_SA_DROP = 33,
171 CQE_TX_MTU_DROP = 34,
172 CQE_TX_INVALID_OOB = 35,
173 CQE_TX_INVALID_ETH_TYPE = 36,
174 CQE_TX_HDR_PROCESSING_ERROR = 37,
175 CQE_TX_VF_DISABLED = 38,
176 CQE_TX_VPORT_IDX_OUT_OF_RANGE = 39,
177 CQE_TX_VPORT_DISABLED = 40,
178 CQE_TX_VLAN_TAGGING_VIOLATION = 41,
179};
180
181#define MANA_CQE_COMPLETION 1
182
183struct mana_cqe_header {
184 u32 cqe_type : 6;
185 u32 client_type : 2;
186 u32 vendor_err : 24;
187}; /* HW DATA */
188
189/* NDIS HASH Types */
190#define NDIS_HASH_IPV4 BIT(0)
191#define NDIS_HASH_TCP_IPV4 BIT(1)
192#define NDIS_HASH_UDP_IPV4 BIT(2)
193#define NDIS_HASH_IPV6 BIT(3)
194#define NDIS_HASH_TCP_IPV6 BIT(4)
195#define NDIS_HASH_UDP_IPV6 BIT(5)
196#define NDIS_HASH_IPV6_EX BIT(6)
197#define NDIS_HASH_TCP_IPV6_EX BIT(7)
198#define NDIS_HASH_UDP_IPV6_EX BIT(8)
199
200#define MANA_HASH_L3 (NDIS_HASH_IPV4 | NDIS_HASH_IPV6 | NDIS_HASH_IPV6_EX)
201#define MANA_HASH_L4 \
202 (NDIS_HASH_TCP_IPV4 | NDIS_HASH_UDP_IPV4 | NDIS_HASH_TCP_IPV6 | \
203 NDIS_HASH_UDP_IPV6 | NDIS_HASH_TCP_IPV6_EX | NDIS_HASH_UDP_IPV6_EX)
204
205struct mana_rxcomp_perpkt_info {
206 u32 pkt_len : 16;
207 u32 reserved1 : 16;
208 u32 reserved2;
209 u32 pkt_hash;
210}; /* HW DATA */
211
212#define MANA_RXCOMP_OOB_NUM_PPI 4
213
214/* Receive completion OOB */
215struct mana_rxcomp_oob {
216 struct mana_cqe_header cqe_hdr;
217
218 u32 rx_vlan_id : 12;
219 u32 rx_vlantag_present : 1;
220 u32 rx_outer_iphdr_csum_succeed : 1;
221 u32 rx_outer_iphdr_csum_fail : 1;
222 u32 reserved1 : 1;
223 u32 rx_hashtype : 9;
224 u32 rx_iphdr_csum_succeed : 1;
225 u32 rx_iphdr_csum_fail : 1;
226 u32 rx_tcp_csum_succeed : 1;
227 u32 rx_tcp_csum_fail : 1;
228 u32 rx_udp_csum_succeed : 1;
229 u32 rx_udp_csum_fail : 1;
230 u32 reserved2 : 1;
231
232 struct mana_rxcomp_perpkt_info ppi[MANA_RXCOMP_OOB_NUM_PPI];
233
234 u32 rx_wqe_offset;
235}; /* HW DATA */
236
237struct mana_tx_comp_oob {
238 struct mana_cqe_header cqe_hdr;
239
240 u32 tx_data_offset;
241
242 u32 tx_sgl_offset : 5;
243 u32 tx_wqe_offset : 27;
244
245 u32 reserved[12];
246}; /* HW DATA */
247
248struct mana_rxq;
249
250#define CQE_POLLING_BUFFER 512
251
252struct mana_cq {
253 struct gdma_queue *gdma_cq;
254
255 /* Cache the CQ id (used to verify if each CQE comes to the right CQ. */
256 u32 gdma_id;
257
258 /* Type of the CQ: TX or RX */
259 enum mana_cq_type type;
260
261 /* Pointer to the mana_rxq that is pushing RX CQEs to the queue.
262 * Only and must be non-NULL if type is MANA_CQ_TYPE_RX.
263 */
264 struct mana_rxq *rxq;
265
266 /* Pointer to the mana_txq that is pushing TX CQEs to the queue.
267 * Only and must be non-NULL if type is MANA_CQ_TYPE_TX.
268 */
269 struct mana_txq *txq;
270
271 /* Buffer which the CQ handler can copy the CQE's into. */
272 struct gdma_comp gdma_comp_buf[CQE_POLLING_BUFFER];
273
274 /* NAPI data */
275 struct napi_struct napi;
276 int work_done;
277 int budget;
278};
279
280struct mana_recv_buf_oob {
281 /* A valid GDMA work request representing the data buffer. */
282 struct gdma_wqe_request wqe_req;
283
284 void *buf_va;
285 bool from_pool; /* allocated from a page pool */
286
287 /* SGL of the buffer going to be sent has part of the work request. */
288 u32 num_sge;
289 struct gdma_sge sgl[MAX_RX_WQE_SGL_ENTRIES];
290
291 /* Required to store the result of mana_gd_post_work_request.
292 * gdma_posted_wqe_info.wqe_size_in_bu is required for progressing the
293 * work queue when the WQE is consumed.
294 */
295 struct gdma_posted_wqe_info wqe_inf;
296};
297
298#define MANA_RXBUF_PAD (SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) \
299 + ETH_HLEN)
300
301#define MANA_XDP_MTU_MAX (PAGE_SIZE - MANA_RXBUF_PAD - XDP_PACKET_HEADROOM)
302
303struct mana_rxq {
304 struct gdma_queue *gdma_rq;
305 /* Cache the gdma receive queue id */
306 u32 gdma_id;
307
308 /* Index of RQ in the vPort, not gdma receive queue id */
309 u32 rxq_idx;
310
311 u32 datasize;
312 u32 alloc_size;
313 u32 headroom;
314
315 mana_handle_t rxobj;
316
317 struct mana_cq rx_cq;
318
319 struct completion fence_event;
320
321 struct net_device *ndev;
322
323 /* Total number of receive buffers to be allocated */
324 u32 num_rx_buf;
325
326 u32 buf_index;
327
328 struct mana_stats_rx stats;
329
330 struct bpf_prog __rcu *bpf_prog;
331 struct xdp_rxq_info xdp_rxq;
332 void *xdp_save_va; /* for reusing */
333 bool xdp_flush;
334 int xdp_rc; /* XDP redirect return code */
335
336 struct page_pool *page_pool;
337
338 /* MUST BE THE LAST MEMBER:
339 * Each receive buffer has an associated mana_recv_buf_oob.
340 */
341 struct mana_recv_buf_oob rx_oobs[] __counted_by(num_rx_buf);
342};
343
344struct mana_tx_qp {
345 struct mana_txq txq;
346
347 struct mana_cq tx_cq;
348
349 mana_handle_t tx_object;
350};
351
352struct mana_ethtool_stats {
353 u64 stop_queue;
354 u64 wake_queue;
355 u64 hc_rx_discards_no_wqe;
356 u64 hc_rx_err_vport_disabled;
357 u64 hc_rx_bytes;
358 u64 hc_rx_ucast_pkts;
359 u64 hc_rx_ucast_bytes;
360 u64 hc_rx_bcast_pkts;
361 u64 hc_rx_bcast_bytes;
362 u64 hc_rx_mcast_pkts;
363 u64 hc_rx_mcast_bytes;
364 u64 hc_tx_err_gf_disabled;
365 u64 hc_tx_err_vport_disabled;
366 u64 hc_tx_err_inval_vportoffset_pkt;
367 u64 hc_tx_err_vlan_enforcement;
368 u64 hc_tx_err_eth_type_enforcement;
369 u64 hc_tx_err_sa_enforcement;
370 u64 hc_tx_err_sqpdid_enforcement;
371 u64 hc_tx_err_cqpdid_enforcement;
372 u64 hc_tx_err_mtu_violation;
373 u64 hc_tx_err_inval_oob;
374 u64 hc_tx_bytes;
375 u64 hc_tx_ucast_pkts;
376 u64 hc_tx_ucast_bytes;
377 u64 hc_tx_bcast_pkts;
378 u64 hc_tx_bcast_bytes;
379 u64 hc_tx_mcast_pkts;
380 u64 hc_tx_mcast_bytes;
381 u64 hc_tx_err_gdma;
382 u64 tx_cqe_err;
383 u64 tx_cqe_unknown_type;
384 u64 rx_coalesced_err;
385 u64 rx_cqe_unknown_type;
386};
387
388struct mana_context {
389 struct gdma_dev *gdma_dev;
390
391 u16 num_ports;
392
393 struct mana_eq *eqs;
394
395 struct net_device *ports[MAX_PORTS_IN_MANA_DEV];
396};
397
398struct mana_port_context {
399 struct mana_context *ac;
400 struct net_device *ndev;
401
402 u8 mac_addr[ETH_ALEN];
403
404 enum TRI_STATE rss_state;
405
406 mana_handle_t default_rxobj;
407 bool tx_shortform_allowed;
408 u16 tx_vp_offset;
409
410 struct mana_tx_qp *tx_qp;
411
412 /* Indirection Table for RX & TX. The values are queue indexes */
413 u32 indir_table[MANA_INDIRECT_TABLE_SIZE];
414
415 /* Indirection table containing RxObject Handles */
416 mana_handle_t rxobj_table[MANA_INDIRECT_TABLE_SIZE];
417
418 /* Hash key used by the NIC */
419 u8 hashkey[MANA_HASH_KEY_SIZE];
420
421 /* This points to an array of num_queues of RQ pointers. */
422 struct mana_rxq **rxqs;
423
424 /* pre-allocated rx buffer array */
425 void **rxbufs_pre;
426 dma_addr_t *das_pre;
427 int rxbpre_total;
428 u32 rxbpre_datasize;
429 u32 rxbpre_alloc_size;
430 u32 rxbpre_headroom;
431
432 struct bpf_prog *bpf_prog;
433
434 /* Create num_queues EQs, SQs, SQ-CQs, RQs and RQ-CQs, respectively. */
435 unsigned int max_queues;
436 unsigned int num_queues;
437
438 mana_handle_t port_handle;
439 mana_handle_t pf_filter_handle;
440
441 /* Mutex for sharing access to vport_use_count */
442 struct mutex vport_mutex;
443 int vport_use_count;
444
445 u16 port_idx;
446
447 bool port_is_up;
448 bool port_st_save; /* Saved port state */
449
450 struct mana_ethtool_stats eth_stats;
451};
452
453netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev);
454int mana_config_rss(struct mana_port_context *ac, enum TRI_STATE rx,
455 bool update_hash, bool update_tab);
456
457int mana_alloc_queues(struct net_device *ndev);
458int mana_attach(struct net_device *ndev);
459int mana_detach(struct net_device *ndev, bool from_close);
460
461int mana_probe(struct gdma_dev *gd, bool resuming);
462void mana_remove(struct gdma_dev *gd, bool suspending);
463
464void mana_xdp_tx(struct sk_buff *skb, struct net_device *ndev);
465int mana_xdp_xmit(struct net_device *ndev, int n, struct xdp_frame **frames,
466 u32 flags);
467u32 mana_run_xdp(struct net_device *ndev, struct mana_rxq *rxq,
468 struct xdp_buff *xdp, void *buf_va, uint pkt_len);
469struct bpf_prog *mana_xdp_get(struct mana_port_context *apc);
470void mana_chn_setxdp(struct mana_port_context *apc, struct bpf_prog *prog);
471int mana_bpf(struct net_device *ndev, struct netdev_bpf *bpf);
472void mana_query_gf_stats(struct mana_port_context *apc);
473
474extern const struct ethtool_ops mana_ethtool_ops;
475
476/* A CQ can be created not associated with any EQ */
477#define GDMA_CQ_NO_EQ 0xffff
478
479struct mana_obj_spec {
480 u32 queue_index;
481 u64 gdma_region;
482 u32 queue_size;
483 u32 attached_eq;
484 u32 modr_ctx_id;
485};
486
487enum mana_command_code {
488 MANA_QUERY_DEV_CONFIG = 0x20001,
489 MANA_QUERY_GF_STAT = 0x20002,
490 MANA_CONFIG_VPORT_TX = 0x20003,
491 MANA_CREATE_WQ_OBJ = 0x20004,
492 MANA_DESTROY_WQ_OBJ = 0x20005,
493 MANA_FENCE_RQ = 0x20006,
494 MANA_CONFIG_VPORT_RX = 0x20007,
495 MANA_QUERY_VPORT_CONFIG = 0x20008,
496
497 /* Privileged commands for the PF mode */
498 MANA_REGISTER_FILTER = 0x28000,
499 MANA_DEREGISTER_FILTER = 0x28001,
500 MANA_REGISTER_HW_PORT = 0x28003,
501 MANA_DEREGISTER_HW_PORT = 0x28004,
502};
503
504/* Query Device Configuration */
505struct mana_query_device_cfg_req {
506 struct gdma_req_hdr hdr;
507
508 /* MANA Nic Driver Capability flags */
509 u64 mn_drv_cap_flags1;
510 u64 mn_drv_cap_flags2;
511 u64 mn_drv_cap_flags3;
512 u64 mn_drv_cap_flags4;
513
514 u32 proto_major_ver;
515 u32 proto_minor_ver;
516 u32 proto_micro_ver;
517
518 u32 reserved;
519}; /* HW DATA */
520
521struct mana_query_device_cfg_resp {
522 struct gdma_resp_hdr hdr;
523
524 u64 pf_cap_flags1;
525 u64 pf_cap_flags2;
526 u64 pf_cap_flags3;
527 u64 pf_cap_flags4;
528
529 u16 max_num_vports;
530 u16 reserved;
531 u32 max_num_eqs;
532
533 /* response v2: */
534 u16 adapter_mtu;
535 u16 reserved2;
536 u32 reserved3;
537}; /* HW DATA */
538
539/* Query vPort Configuration */
540struct mana_query_vport_cfg_req {
541 struct gdma_req_hdr hdr;
542 u32 vport_index;
543}; /* HW DATA */
544
545struct mana_query_vport_cfg_resp {
546 struct gdma_resp_hdr hdr;
547 u32 max_num_sq;
548 u32 max_num_rq;
549 u32 num_indirection_ent;
550 u32 reserved1;
551 u8 mac_addr[6];
552 u8 reserved2[2];
553 mana_handle_t vport;
554}; /* HW DATA */
555
556/* Configure vPort */
557struct mana_config_vport_req {
558 struct gdma_req_hdr hdr;
559 mana_handle_t vport;
560 u32 pdid;
561 u32 doorbell_pageid;
562}; /* HW DATA */
563
564struct mana_config_vport_resp {
565 struct gdma_resp_hdr hdr;
566 u16 tx_vport_offset;
567 u8 short_form_allowed;
568 u8 reserved;
569}; /* HW DATA */
570
571/* Create WQ Object */
572struct mana_create_wqobj_req {
573 struct gdma_req_hdr hdr;
574 mana_handle_t vport;
575 u32 wq_type;
576 u32 reserved;
577 u64 wq_gdma_region;
578 u64 cq_gdma_region;
579 u32 wq_size;
580 u32 cq_size;
581 u32 cq_moderation_ctx_id;
582 u32 cq_parent_qid;
583}; /* HW DATA */
584
585struct mana_create_wqobj_resp {
586 struct gdma_resp_hdr hdr;
587 u32 wq_id;
588 u32 cq_id;
589 mana_handle_t wq_obj;
590}; /* HW DATA */
591
592/* Destroy WQ Object */
593struct mana_destroy_wqobj_req {
594 struct gdma_req_hdr hdr;
595 u32 wq_type;
596 u32 reserved;
597 mana_handle_t wq_obj_handle;
598}; /* HW DATA */
599
600struct mana_destroy_wqobj_resp {
601 struct gdma_resp_hdr hdr;
602}; /* HW DATA */
603
604/* Fence RQ */
605struct mana_fence_rq_req {
606 struct gdma_req_hdr hdr;
607 mana_handle_t wq_obj_handle;
608}; /* HW DATA */
609
610struct mana_fence_rq_resp {
611 struct gdma_resp_hdr hdr;
612}; /* HW DATA */
613
614/* Query stats RQ */
615struct mana_query_gf_stat_req {
616 struct gdma_req_hdr hdr;
617 u64 req_stats;
618}; /* HW DATA */
619
620struct mana_query_gf_stat_resp {
621 struct gdma_resp_hdr hdr;
622 u64 reported_stats;
623 /* rx errors/discards */
624 u64 rx_discards_nowqe;
625 u64 rx_err_vport_disabled;
626 /* rx bytes/packets */
627 u64 hc_rx_bytes;
628 u64 hc_rx_ucast_pkts;
629 u64 hc_rx_ucast_bytes;
630 u64 hc_rx_bcast_pkts;
631 u64 hc_rx_bcast_bytes;
632 u64 hc_rx_mcast_pkts;
633 u64 hc_rx_mcast_bytes;
634 /* tx errors */
635 u64 tx_err_gf_disabled;
636 u64 tx_err_vport_disabled;
637 u64 tx_err_inval_vport_offset_pkt;
638 u64 tx_err_vlan_enforcement;
639 u64 tx_err_ethtype_enforcement;
640 u64 tx_err_SA_enforcement;
641 u64 tx_err_SQPDID_enforcement;
642 u64 tx_err_CQPDID_enforcement;
643 u64 tx_err_mtu_violation;
644 u64 tx_err_inval_oob;
645 /* tx bytes/packets */
646 u64 hc_tx_bytes;
647 u64 hc_tx_ucast_pkts;
648 u64 hc_tx_ucast_bytes;
649 u64 hc_tx_bcast_pkts;
650 u64 hc_tx_bcast_bytes;
651 u64 hc_tx_mcast_pkts;
652 u64 hc_tx_mcast_bytes;
653 /* tx error */
654 u64 tx_err_gdma;
655}; /* HW DATA */
656
657/* Configure vPort Rx Steering */
658struct mana_cfg_rx_steer_req_v2 {
659 struct gdma_req_hdr hdr;
660 mana_handle_t vport;
661 u16 num_indir_entries;
662 u16 indir_tab_offset;
663 u32 rx_enable;
664 u32 rss_enable;
665 u8 update_default_rxobj;
666 u8 update_hashkey;
667 u8 update_indir_tab;
668 u8 reserved;
669 mana_handle_t default_rxobj;
670 u8 hashkey[MANA_HASH_KEY_SIZE];
671 u8 cqe_coalescing_enable;
672 u8 reserved2[7];
673}; /* HW DATA */
674
675struct mana_cfg_rx_steer_resp {
676 struct gdma_resp_hdr hdr;
677}; /* HW DATA */
678
679/* Register HW vPort */
680struct mana_register_hw_vport_req {
681 struct gdma_req_hdr hdr;
682 u16 attached_gfid;
683 u8 is_pf_default_vport;
684 u8 reserved1;
685 u8 allow_all_ether_types;
686 u8 reserved2;
687 u8 reserved3;
688 u8 reserved4;
689}; /* HW DATA */
690
691struct mana_register_hw_vport_resp {
692 struct gdma_resp_hdr hdr;
693 mana_handle_t hw_vport_handle;
694}; /* HW DATA */
695
696/* Deregister HW vPort */
697struct mana_deregister_hw_vport_req {
698 struct gdma_req_hdr hdr;
699 mana_handle_t hw_vport_handle;
700}; /* HW DATA */
701
702struct mana_deregister_hw_vport_resp {
703 struct gdma_resp_hdr hdr;
704}; /* HW DATA */
705
706/* Register filter */
707struct mana_register_filter_req {
708 struct gdma_req_hdr hdr;
709 mana_handle_t vport;
710 u8 mac_addr[6];
711 u8 reserved1;
712 u8 reserved2;
713 u8 reserved3;
714 u8 reserved4;
715 u16 reserved5;
716 u32 reserved6;
717 u32 reserved7;
718 u32 reserved8;
719}; /* HW DATA */
720
721struct mana_register_filter_resp {
722 struct gdma_resp_hdr hdr;
723 mana_handle_t filter_handle;
724}; /* HW DATA */
725
726/* Deregister filter */
727struct mana_deregister_filter_req {
728 struct gdma_req_hdr hdr;
729 mana_handle_t filter_handle;
730}; /* HW DATA */
731
732struct mana_deregister_filter_resp {
733 struct gdma_resp_hdr hdr;
734}; /* HW DATA */
735
736/* Requested GF stats Flags */
737/* Rx discards/Errors */
738#define STATISTICS_FLAGS_RX_DISCARDS_NO_WQE 0x0000000000000001
739#define STATISTICS_FLAGS_RX_ERRORS_VPORT_DISABLED 0x0000000000000002
740/* Rx bytes/pkts */
741#define STATISTICS_FLAGS_HC_RX_BYTES 0x0000000000000004
742#define STATISTICS_FLAGS_HC_RX_UCAST_PACKETS 0x0000000000000008
743#define STATISTICS_FLAGS_HC_RX_UCAST_BYTES 0x0000000000000010
744#define STATISTICS_FLAGS_HC_RX_MCAST_PACKETS 0x0000000000000020
745#define STATISTICS_FLAGS_HC_RX_MCAST_BYTES 0x0000000000000040
746#define STATISTICS_FLAGS_HC_RX_BCAST_PACKETS 0x0000000000000080
747#define STATISTICS_FLAGS_HC_RX_BCAST_BYTES 0x0000000000000100
748/* Tx errors */
749#define STATISTICS_FLAGS_TX_ERRORS_GF_DISABLED 0x0000000000000200
750#define STATISTICS_FLAGS_TX_ERRORS_VPORT_DISABLED 0x0000000000000400
751#define STATISTICS_FLAGS_TX_ERRORS_INVAL_VPORT_OFFSET_PACKETS \
752 0x0000000000000800
753#define STATISTICS_FLAGS_TX_ERRORS_VLAN_ENFORCEMENT 0x0000000000001000
754#define STATISTICS_FLAGS_TX_ERRORS_ETH_TYPE_ENFORCEMENT \
755 0x0000000000002000
756#define STATISTICS_FLAGS_TX_ERRORS_SA_ENFORCEMENT 0x0000000000004000
757#define STATISTICS_FLAGS_TX_ERRORS_SQPDID_ENFORCEMENT 0x0000000000008000
758#define STATISTICS_FLAGS_TX_ERRORS_CQPDID_ENFORCEMENT 0x0000000000010000
759#define STATISTICS_FLAGS_TX_ERRORS_MTU_VIOLATION 0x0000000000020000
760#define STATISTICS_FLAGS_TX_ERRORS_INVALID_OOB 0x0000000000040000
761/* Tx bytes/pkts */
762#define STATISTICS_FLAGS_HC_TX_BYTES 0x0000000000080000
763#define STATISTICS_FLAGS_HC_TX_UCAST_PACKETS 0x0000000000100000
764#define STATISTICS_FLAGS_HC_TX_UCAST_BYTES 0x0000000000200000
765#define STATISTICS_FLAGS_HC_TX_MCAST_PACKETS 0x0000000000400000
766#define STATISTICS_FLAGS_HC_TX_MCAST_BYTES 0x0000000000800000
767#define STATISTICS_FLAGS_HC_TX_BCAST_PACKETS 0x0000000001000000
768#define STATISTICS_FLAGS_HC_TX_BCAST_BYTES 0x0000000002000000
769/* Tx error */
770#define STATISTICS_FLAGS_TX_ERRORS_GDMA_ERROR 0x0000000004000000
771
772#define MANA_MAX_NUM_QUEUES 64
773
774#define MANA_SHORT_VPORT_OFFSET_MAX ((1U << 8) - 1)
775
776struct mana_tx_package {
777 struct gdma_wqe_request wqe_req;
778 struct gdma_sge sgl_array[5];
779 struct gdma_sge *sgl_ptr;
780
781 struct mana_tx_oob tx_oob;
782
783 struct gdma_posted_wqe_info wqe_info;
784};
785
786int mana_create_wq_obj(struct mana_port_context *apc,
787 mana_handle_t vport,
788 u32 wq_type, struct mana_obj_spec *wq_spec,
789 struct mana_obj_spec *cq_spec,
790 mana_handle_t *wq_obj);
791
792void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type,
793 mana_handle_t wq_obj);
794
795int mana_cfg_vport(struct mana_port_context *apc, u32 protection_dom_id,
796 u32 doorbell_pg_id);
797void mana_uncfg_vport(struct mana_port_context *apc);
798#endif /* _MANA_H */