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1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2/* QLogic qed NIC Driver
3 * Copyright (c) 2015-2017 QLogic Corporation
4 * Copyright (c) 2019-2020 Marvell International Ltd.
5 */
6
7#ifndef _QED_L2_H
8#define _QED_L2_H
9#include <linux/types.h>
10#include <linux/io.h>
11#include <linux/kernel.h>
12#include <linux/slab.h>
13#include <linux/qed/qed_eth_if.h>
14#include "qed.h"
15#include "qed_hw.h"
16#include "qed_sp.h"
17struct qed_rss_params {
18 u8 update_rss_config;
19 u8 rss_enable;
20 u8 rss_eng_id;
21 u8 update_rss_capabilities;
22 u8 update_rss_ind_table;
23 u8 update_rss_key;
24 u8 rss_caps;
25 u8 rss_table_size_log;
26
27 /* Indirection table consist of rx queue handles */
28 void *rss_ind_table[QED_RSS_IND_TABLE_SIZE];
29 u32 rss_key[QED_RSS_KEY_SIZE];
30};
31
32struct qed_sge_tpa_params {
33 u8 max_buffers_per_cqe;
34
35 u8 update_tpa_en_flg;
36 u8 tpa_ipv4_en_flg;
37 u8 tpa_ipv6_en_flg;
38 u8 tpa_ipv4_tunn_en_flg;
39 u8 tpa_ipv6_tunn_en_flg;
40
41 u8 update_tpa_param_flg;
42 u8 tpa_pkt_split_flg;
43 u8 tpa_hdr_data_split_flg;
44 u8 tpa_gro_consistent_flg;
45 u8 tpa_max_aggs_num;
46 u16 tpa_max_size;
47 u16 tpa_min_size_to_start;
48 u16 tpa_min_size_to_cont;
49};
50
51enum qed_filter_opcode {
52 QED_FILTER_ADD,
53 QED_FILTER_REMOVE,
54 QED_FILTER_MOVE,
55 QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */
56 QED_FILTER_FLUSH, /* Removes all filters */
57};
58
59enum qed_filter_ucast_type {
60 QED_FILTER_MAC,
61 QED_FILTER_VLAN,
62 QED_FILTER_MAC_VLAN,
63 QED_FILTER_INNER_MAC,
64 QED_FILTER_INNER_VLAN,
65 QED_FILTER_INNER_PAIR,
66 QED_FILTER_INNER_MAC_VNI_PAIR,
67 QED_FILTER_MAC_VNI_PAIR,
68 QED_FILTER_VNI,
69};
70
71struct qed_filter_ucast {
72 enum qed_filter_opcode opcode;
73 enum qed_filter_ucast_type type;
74 u8 is_rx_filter;
75 u8 is_tx_filter;
76 u8 vport_to_add_to;
77 u8 vport_to_remove_from;
78 unsigned char mac[ETH_ALEN];
79 u8 assert_on_error;
80 u16 vlan;
81 u32 vni;
82};
83
84struct qed_filter_mcast {
85 /* MOVE is not supported for multicast */
86 enum qed_filter_opcode opcode;
87 u8 vport_to_add_to;
88 u8 vport_to_remove_from;
89 u8 num_mc_addrs;
90#define QED_MAX_MC_ADDRS 64
91 unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN];
92};
93
94/**
95 * qed_eth_rx_queue_stop(): This ramrod closes an Rx queue.
96 *
97 * @p_hwfn: HW device data.
98 * @p_rxq: Handler of queue to close
99 * @eq_completion_only: If True completion will be on
100 * EQe, if False completion will be
101 * on EQe if p_hwfn opaque
102 * different from the RXQ opaque
103 * otherwise on CQe.
104 * @cqe_completion: If True completion will be receive on CQe.
105 *
106 * Return: Int.
107 */
108int
109qed_eth_rx_queue_stop(struct qed_hwfn *p_hwfn,
110 void *p_rxq,
111 bool eq_completion_only, bool cqe_completion);
112
113/**
114 * qed_eth_tx_queue_stop(): Closes a Tx queue.
115 *
116 * @p_hwfn: HW device data.
117 * @p_txq: handle to Tx queue needed to be closed.
118 *
119 * Return: Int.
120 */
121int qed_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, void *p_txq);
122
123enum qed_tpa_mode {
124 QED_TPA_MODE_NONE,
125 QED_TPA_MODE_UNUSED,
126 QED_TPA_MODE_GRO,
127 QED_TPA_MODE_MAX
128};
129
130struct qed_sp_vport_start_params {
131 enum qed_tpa_mode tpa_mode;
132 bool remove_inner_vlan;
133 bool tx_switching;
134 bool handle_ptp_pkts;
135 bool only_untagged;
136 bool drop_ttl0;
137 u8 max_buffers_per_cqe;
138 u32 concrete_fid;
139 u16 opaque_fid;
140 u8 vport_id;
141 u16 mtu;
142 bool check_mac;
143 bool check_ethtype;
144};
145
146int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
147 struct qed_sp_vport_start_params *p_params);
148
149struct qed_filter_accept_flags {
150 u8 update_rx_mode_config;
151 u8 update_tx_mode_config;
152 u8 rx_accept_filter;
153 u8 tx_accept_filter;
154#define QED_ACCEPT_NONE 0x01
155#define QED_ACCEPT_UCAST_MATCHED 0x02
156#define QED_ACCEPT_UCAST_UNMATCHED 0x04
157#define QED_ACCEPT_MCAST_MATCHED 0x08
158#define QED_ACCEPT_MCAST_UNMATCHED 0x10
159#define QED_ACCEPT_BCAST 0x20
160#define QED_ACCEPT_ANY_VNI 0x40
161};
162
163struct qed_arfs_config_params {
164 bool tcp;
165 bool udp;
166 bool ipv4;
167 bool ipv6;
168 enum qed_filter_config_mode mode;
169};
170
171struct qed_sp_vport_update_params {
172 u16 opaque_fid;
173 u8 vport_id;
174 u8 update_vport_active_rx_flg;
175 u8 vport_active_rx_flg;
176 u8 update_vport_active_tx_flg;
177 u8 vport_active_tx_flg;
178 u8 update_inner_vlan_removal_flg;
179 u8 inner_vlan_removal_flg;
180 u8 silent_vlan_removal_flg;
181 u8 update_default_vlan_enable_flg;
182 u8 default_vlan_enable_flg;
183 u8 update_default_vlan_flg;
184 u16 default_vlan;
185 u8 update_tx_switching_flg;
186 u8 tx_switching_flg;
187 u8 update_approx_mcast_flg;
188 u8 update_anti_spoofing_en_flg;
189 u8 anti_spoofing_en;
190 u8 update_accept_any_vlan_flg;
191 u8 accept_any_vlan;
192 u32 bins[8];
193 struct qed_rss_params *rss_params;
194 struct qed_filter_accept_flags accept_flags;
195 struct qed_sge_tpa_params *sge_tpa_params;
196 u8 update_ctl_frame_check;
197 u8 mac_chk_en;
198 u8 ethtype_chk_en;
199};
200
201int qed_sp_vport_update(struct qed_hwfn *p_hwfn,
202 struct qed_sp_vport_update_params *p_params,
203 enum spq_mode comp_mode,
204 struct qed_spq_comp_cb *p_comp_data);
205
206/**
207 * qed_sp_vport_stop: This ramrod closes a VPort after all its
208 * RX and TX queues are terminated.
209 * An Assert is generated if any queues are left open.
210 *
211 * @p_hwfn: HW device data.
212 * @opaque_fid: Opaque FID
213 * @vport_id: VPort ID.
214 *
215 * Return: Int.
216 */
217int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id);
218
219int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn,
220 u16 opaque_fid,
221 struct qed_filter_ucast *p_filter_cmd,
222 enum spq_mode comp_mode,
223 struct qed_spq_comp_cb *p_comp_data);
224
225/**
226 * qed_sp_eth_rx_queues_update(): This ramrod updates an RX queue.
227 * It is used for setting the active state
228 * of the queue and updating the TPA and
229 * SGE parameters.
230 * @p_hwfn: HW device data.
231 * @pp_rxq_handlers: An array of queue handlers to be updated.
232 * @num_rxqs: number of queues to update.
233 * @complete_cqe_flg: Post completion to the CQE Ring if set.
234 * @complete_event_flg: Post completion to the Event Ring if set.
235 * @comp_mode: Comp mode.
236 * @p_comp_data: Pointer Comp data.
237 *
238 * Return: Int.
239 *
240 * Note At the moment - only used by non-linux VFs.
241 */
242
243int
244qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn,
245 void **pp_rxq_handlers,
246 u8 num_rxqs,
247 u8 complete_cqe_flg,
248 u8 complete_event_flg,
249 enum spq_mode comp_mode,
250 struct qed_spq_comp_cb *p_comp_data);
251
252/**
253 * qed_get_vport_stats(): Fills provided statistics
254 * struct with statistics.
255 *
256 * @cdev: Qed dev pointer.
257 * @stats: Points to struct that will be filled with statistics.
258 *
259 * Return: Void.
260 */
261void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats);
262
263/**
264 * qed_get_vport_stats_context(): Fills provided statistics
265 * struct with statistics.
266 *
267 * @cdev: Qed dev pointer.
268 * @stats: Points to struct that will be filled with statistics.
269 * @is_atomic: Hint from the caller - if the func can sleep or not.
270 *
271 * Context: The function should not sleep in case is_atomic == true.
272 * Return: Void.
273 */
274void qed_get_vport_stats_context(struct qed_dev *cdev,
275 struct qed_eth_stats *stats,
276 bool is_atomic);
277
278void qed_reset_vport_stats(struct qed_dev *cdev);
279
280/**
281 * qed_arfs_mode_configure(): Enable or disable rfs mode.
282 * It must accept at least one of tcp or udp true
283 * and at least one of ipv4 or ipv6 true to enable
284 * rfs mode.
285 *
286 * @p_hwfn: HW device data.
287 * @p_ptt: P_ptt.
288 * @p_cfg_params: arfs mode configuration parameters.
289 *
290 * Return. Void.
291 */
292void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn,
293 struct qed_ptt *p_ptt,
294 struct qed_arfs_config_params *p_cfg_params);
295
296/**
297 * qed_configure_rfs_ntuple_filter(): This ramrod should be used to add
298 * or remove arfs hw filter
299 *
300 * @p_hwfn: HW device data.
301 * @p_cb: Used for QED_SPQ_MODE_CB,where client would initialize
302 * it with cookie and callback function address, if not
303 * using this mode then client must pass NULL.
304 * @p_params: Pointer to params.
305 *
306 * Return: Void.
307 */
308int
309qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn,
310 struct qed_spq_comp_cb *p_cb,
311 struct qed_ntuple_filter_params *p_params);
312
313#define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8)
314#define QED_QUEUE_CID_SELF (0xff)
315
316/* Almost identical to the qed_queue_start_common_params,
317 * but here we maintain the SB index in IGU CAM.
318 */
319struct qed_queue_cid_params {
320 u8 vport_id;
321 u16 queue_id;
322 u8 stats_id;
323};
324
325/* Additional parameters required for initialization of the queue_cid
326 * and are relevant only for a PF initializing one for its VFs.
327 */
328struct qed_queue_cid_vf_params {
329 /* Should match the VF's relative index */
330 u8 vfid;
331
332 /* 0-based queue index. Should reflect the relative qzone the
333 * VF thinks is associated with it [in its range].
334 */
335 u8 vf_qid;
336
337 /* Indicates a VF is legacy, making it differ in several things:
338 * - Producers would be placed in a different place.
339 * - Makes assumptions regarding the CIDs.
340 */
341 u8 vf_legacy;
342
343 u8 qid_usage_idx;
344};
345
346struct qed_queue_cid {
347 /* For stats-id, the `rel' is actually absolute as well */
348 struct qed_queue_cid_params rel;
349 struct qed_queue_cid_params abs;
350
351 /* These have no 'relative' meaning */
352 u16 sb_igu_id;
353 u8 sb_idx;
354
355 u32 cid;
356 u16 opaque_fid;
357
358 bool b_is_rx;
359
360 /* VFs queues are mapped differently, so we need to know the
361 * relative queue associated with them [0-based].
362 * Notice this is relevant on the *PF* queue-cid of its VF's queues,
363 * and not on the VF itself.
364 */
365 u8 vfid;
366 u8 vf_qid;
367
368 /* We need an additional index to differentiate between queues opened
369 * for same queue-zone, as VFs would have to communicate the info
370 * to the PF [otherwise PF has no way to differentiate].
371 */
372 u8 qid_usage_idx;
373
374 u8 vf_legacy;
375#define QED_QCID_LEGACY_VF_RX_PROD (BIT(0))
376#define QED_QCID_LEGACY_VF_CID (BIT(1))
377
378 struct qed_hwfn *p_owner;
379};
380
381int qed_l2_alloc(struct qed_hwfn *p_hwfn);
382void qed_l2_setup(struct qed_hwfn *p_hwfn);
383void qed_l2_free(struct qed_hwfn *p_hwfn);
384
385void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn,
386 struct qed_queue_cid *p_cid);
387
388struct qed_queue_cid *
389qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
390 u16 opaque_fid,
391 struct qed_queue_start_common_params *p_params,
392 bool b_is_rx,
393 struct qed_queue_cid_vf_params *p_vf_params);
394
395int
396qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
397 struct qed_sp_vport_start_params *p_params);
398
399/**
400 * qed_eth_rxq_start_ramrod(): Starts an Rx queue, when queue_cid is
401 * already prepared
402 *
403 * @p_hwfn: HW device data.
404 * @p_cid: Pointer CID.
405 * @bd_max_bytes: Max bytes.
406 * @bd_chain_phys_addr: Chain physcial address.
407 * @cqe_pbl_addr: PBL address.
408 * @cqe_pbl_size: PBL size.
409 *
410 * Return: Int.
411 */
412int
413qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn,
414 struct qed_queue_cid *p_cid,
415 u16 bd_max_bytes,
416 dma_addr_t bd_chain_phys_addr,
417 dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size);
418
419/**
420 * qed_eth_txq_start_ramrod(): Starts a Tx queue, where queue_cid is
421 * already prepared
422 *
423 * @p_hwfn: HW device data.
424 * @p_cid: Pointer CID.
425 * @pbl_addr: PBL address.
426 * @pbl_size: PBL size.
427 * @pq_id: Parameters for choosing the PQ for this Tx queue.
428 *
429 * Return: Int.
430 */
431int
432qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn,
433 struct qed_queue_cid *p_cid,
434 dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id);
435
436u8 qed_mcast_bin_from_mac(u8 *mac);
437
438int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn,
439 struct qed_ptt *p_ptt,
440 u16 coalesce, struct qed_queue_cid *p_cid);
441
442int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn,
443 struct qed_ptt *p_ptt,
444 u16 coalesce, struct qed_queue_cid *p_cid);
445
446int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn,
447 struct qed_ptt *p_ptt,
448 struct qed_queue_cid *p_cid, u16 *p_hw_coal);
449
450int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn,
451 struct qed_ptt *p_ptt,
452 struct qed_queue_cid *p_cid, u16 *p_hw_coal);
453
454#endif