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Linux kernel mirror (for testing)
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1/* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#ifndef _QED_ETH_IF_H
34#define _QED_ETH_IF_H
35
36#include <linux/list.h>
37#include <linux/if_link.h>
38#include <linux/qed/eth_common.h>
39#include <linux/qed/qed_if.h>
40#include <linux/qed/qed_iov_if.h>
41
42struct qed_queue_start_common_params {
43 /* Should always be relative to entity sending this. */
44 u8 vport_id;
45 u16 queue_id;
46
47 /* Relative, but relevant only for PFs */
48 u8 stats_id;
49
50 struct qed_sb_info *p_sb;
51 u8 sb_idx;
52};
53
54struct qed_rxq_start_ret_params {
55 void __iomem *p_prod;
56 void *p_handle;
57};
58
59struct qed_txq_start_ret_params {
60 void __iomem *p_doorbell;
61 void *p_handle;
62};
63
64enum qed_filter_config_mode {
65 QED_FILTER_CONFIG_MODE_DISABLE,
66 QED_FILTER_CONFIG_MODE_5_TUPLE,
67 QED_FILTER_CONFIG_MODE_L4_PORT,
68 QED_FILTER_CONFIG_MODE_IP_DEST,
69 QED_FILTER_CONFIG_MODE_IP_SRC,
70};
71
72struct qed_ntuple_filter_params {
73 /* Physically mapped address containing header of buffer to be used
74 * as filter.
75 */
76 dma_addr_t addr;
77
78 /* Length of header in bytes */
79 u16 length;
80
81 /* Relative queue-id to receive classified packet */
82#define QED_RFS_NTUPLE_QID_RSS ((u16)-1)
83 u16 qid;
84
85 /* Identifier can either be according to vport-id or vfid */
86 bool b_is_vf;
87 u8 vport_id;
88 u8 vf_id;
89
90 /* true iff this filter is to be added. Else to be removed */
91 bool b_is_add;
92
93 /* If flow needs to be dropped */
94 bool b_is_drop;
95};
96
97struct qed_dev_eth_info {
98 struct qed_dev_info common;
99
100 u8 num_queues;
101 u8 num_tc;
102
103 u8 port_mac[ETH_ALEN];
104 u16 num_vlan_filters;
105 u16 num_mac_filters;
106
107 /* Legacy VF - this affects the datapath, so qede has to know */
108 bool is_legacy;
109
110 /* Might depend on available resources [in case of VF] */
111 bool xdp_supported;
112};
113
114struct qed_update_vport_rss_params {
115 void *rss_ind_table[128];
116 u32 rss_key[10];
117 u8 rss_caps;
118};
119
120struct qed_update_vport_params {
121 u8 vport_id;
122 u8 update_vport_active_flg;
123 u8 vport_active_flg;
124 u8 update_tx_switching_flg;
125 u8 tx_switching_flg;
126 u8 update_accept_any_vlan_flg;
127 u8 accept_any_vlan;
128 u8 update_rss_flg;
129 struct qed_update_vport_rss_params rss_params;
130};
131
132struct qed_start_vport_params {
133 bool remove_inner_vlan;
134 bool handle_ptp_pkts;
135 bool gro_enable;
136 bool drop_ttl0;
137 u8 vport_id;
138 u16 mtu;
139 bool clear_stats;
140};
141
142enum qed_filter_rx_mode_type {
143 QED_FILTER_RX_MODE_TYPE_REGULAR,
144 QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC,
145 QED_FILTER_RX_MODE_TYPE_PROMISC,
146};
147
148enum qed_filter_xcast_params_type {
149 QED_FILTER_XCAST_TYPE_ADD,
150 QED_FILTER_XCAST_TYPE_DEL,
151 QED_FILTER_XCAST_TYPE_REPLACE,
152};
153
154struct qed_filter_ucast_params {
155 enum qed_filter_xcast_params_type type;
156 u8 vlan_valid;
157 u16 vlan;
158 u8 mac_valid;
159 unsigned char mac[ETH_ALEN];
160};
161
162struct qed_filter_mcast_params {
163 enum qed_filter_xcast_params_type type;
164 u8 num;
165 unsigned char mac[64][ETH_ALEN];
166};
167
168union qed_filter_type_params {
169 enum qed_filter_rx_mode_type accept_flags;
170 struct qed_filter_ucast_params ucast;
171 struct qed_filter_mcast_params mcast;
172};
173
174enum qed_filter_type {
175 QED_FILTER_TYPE_UCAST,
176 QED_FILTER_TYPE_MCAST,
177 QED_FILTER_TYPE_RX_MODE,
178 QED_MAX_FILTER_TYPES,
179};
180
181struct qed_filter_params {
182 enum qed_filter_type type;
183 union qed_filter_type_params filter;
184};
185
186struct qed_tunn_params {
187 u16 vxlan_port;
188 u8 update_vxlan_port;
189 u16 geneve_port;
190 u8 update_geneve_port;
191};
192
193struct qed_eth_cb_ops {
194 struct qed_common_cb_ops common;
195 void (*force_mac) (void *dev, u8 *mac, bool forced);
196 void (*ports_update)(void *dev, u16 vxlan_port, u16 geneve_port);
197};
198
199#define QED_MAX_PHC_DRIFT_PPB 291666666
200
201enum qed_ptp_filter_type {
202 QED_PTP_FILTER_NONE,
203 QED_PTP_FILTER_ALL,
204 QED_PTP_FILTER_V1_L4_EVENT,
205 QED_PTP_FILTER_V1_L4_GEN,
206 QED_PTP_FILTER_V2_L4_EVENT,
207 QED_PTP_FILTER_V2_L4_GEN,
208 QED_PTP_FILTER_V2_L2_EVENT,
209 QED_PTP_FILTER_V2_L2_GEN,
210 QED_PTP_FILTER_V2_EVENT,
211 QED_PTP_FILTER_V2_GEN
212};
213
214enum qed_ptp_hwtstamp_tx_type {
215 QED_PTP_HWTSTAMP_TX_OFF,
216 QED_PTP_HWTSTAMP_TX_ON,
217};
218
219#ifdef CONFIG_DCB
220/* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration
221 * of dcbnl_rtnl_ops structure.
222 */
223struct qed_eth_dcbnl_ops {
224 /* IEEE 802.1Qaz std */
225 int (*ieee_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
226 int (*ieee_setpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
227 int (*ieee_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
228 int (*ieee_setets)(struct qed_dev *cdev, struct ieee_ets *ets);
229 int (*ieee_peer_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
230 int (*ieee_peer_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
231 int (*ieee_getapp)(struct qed_dev *cdev, struct dcb_app *app);
232 int (*ieee_setapp)(struct qed_dev *cdev, struct dcb_app *app);
233
234 /* CEE std */
235 u8 (*getstate)(struct qed_dev *cdev);
236 u8 (*setstate)(struct qed_dev *cdev, u8 state);
237 void (*getpgtccfgtx)(struct qed_dev *cdev, int prio, u8 *prio_type,
238 u8 *pgid, u8 *bw_pct, u8 *up_map);
239 void (*getpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
240 void (*getpgtccfgrx)(struct qed_dev *cdev, int prio, u8 *prio_type,
241 u8 *pgid, u8 *bw_pct, u8 *up_map);
242 void (*getpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
243 void (*getpfccfg)(struct qed_dev *cdev, int prio, u8 *setting);
244 void (*setpfccfg)(struct qed_dev *cdev, int prio, u8 setting);
245 u8 (*getcap)(struct qed_dev *cdev, int capid, u8 *cap);
246 int (*getnumtcs)(struct qed_dev *cdev, int tcid, u8 *num);
247 u8 (*getpfcstate)(struct qed_dev *cdev);
248 int (*getapp)(struct qed_dev *cdev, u8 idtype, u16 id);
249 u8 (*getfeatcfg)(struct qed_dev *cdev, int featid, u8 *flags);
250
251 /* DCBX configuration */
252 u8 (*getdcbx)(struct qed_dev *cdev);
253 void (*setpgtccfgtx)(struct qed_dev *cdev, int prio,
254 u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
255 void (*setpgtccfgrx)(struct qed_dev *cdev, int prio,
256 u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
257 void (*setpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
258 void (*setpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
259 u8 (*setall)(struct qed_dev *cdev);
260 int (*setnumtcs)(struct qed_dev *cdev, int tcid, u8 num);
261 void (*setpfcstate)(struct qed_dev *cdev, u8 state);
262 int (*setapp)(struct qed_dev *cdev, u8 idtype, u16 idval, u8 up);
263 u8 (*setdcbx)(struct qed_dev *cdev, u8 state);
264 u8 (*setfeatcfg)(struct qed_dev *cdev, int featid, u8 flags);
265
266 /* Peer apps */
267 int (*peer_getappinfo)(struct qed_dev *cdev,
268 struct dcb_peer_app_info *info,
269 u16 *app_count);
270 int (*peer_getapptable)(struct qed_dev *cdev, struct dcb_app *table);
271
272 /* CEE peer */
273 int (*cee_peer_getpfc)(struct qed_dev *cdev, struct cee_pfc *pfc);
274 int (*cee_peer_getpg)(struct qed_dev *cdev, struct cee_pg *pg);
275};
276#endif
277
278struct qed_eth_ptp_ops {
279 int (*cfg_filters)(struct qed_dev *, enum qed_ptp_filter_type,
280 enum qed_ptp_hwtstamp_tx_type);
281 int (*read_rx_ts)(struct qed_dev *, u64 *);
282 int (*read_tx_ts)(struct qed_dev *, u64 *);
283 int (*read_cc)(struct qed_dev *, u64 *);
284 int (*disable)(struct qed_dev *);
285 int (*adjfreq)(struct qed_dev *, s32);
286 int (*enable)(struct qed_dev *);
287};
288
289struct qed_eth_ops {
290 const struct qed_common_ops *common;
291#ifdef CONFIG_QED_SRIOV
292 const struct qed_iov_hv_ops *iov;
293#endif
294#ifdef CONFIG_DCB
295 const struct qed_eth_dcbnl_ops *dcb;
296#endif
297 const struct qed_eth_ptp_ops *ptp;
298
299 int (*fill_dev_info)(struct qed_dev *cdev,
300 struct qed_dev_eth_info *info);
301
302 void (*register_ops)(struct qed_dev *cdev,
303 struct qed_eth_cb_ops *ops,
304 void *cookie);
305
306 bool(*check_mac) (struct qed_dev *cdev, u8 *mac);
307
308 int (*vport_start)(struct qed_dev *cdev,
309 struct qed_start_vport_params *params);
310
311 int (*vport_stop)(struct qed_dev *cdev,
312 u8 vport_id);
313
314 int (*vport_update)(struct qed_dev *cdev,
315 struct qed_update_vport_params *params);
316
317 int (*q_rx_start)(struct qed_dev *cdev,
318 u8 rss_num,
319 struct qed_queue_start_common_params *params,
320 u16 bd_max_bytes,
321 dma_addr_t bd_chain_phys_addr,
322 dma_addr_t cqe_pbl_addr,
323 u16 cqe_pbl_size,
324 struct qed_rxq_start_ret_params *ret_params);
325
326 int (*q_rx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
327
328 int (*q_tx_start)(struct qed_dev *cdev,
329 u8 rss_num,
330 struct qed_queue_start_common_params *params,
331 dma_addr_t pbl_addr,
332 u16 pbl_size,
333 struct qed_txq_start_ret_params *ret_params);
334
335 int (*q_tx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
336
337 int (*filter_config)(struct qed_dev *cdev,
338 struct qed_filter_params *params);
339
340 int (*fastpath_stop)(struct qed_dev *cdev);
341
342 int (*eth_cqe_completion)(struct qed_dev *cdev,
343 u8 rss_id,
344 struct eth_slow_path_rx_cqe *cqe);
345
346 void (*get_vport_stats)(struct qed_dev *cdev,
347 struct qed_eth_stats *stats);
348
349 int (*tunn_config)(struct qed_dev *cdev,
350 struct qed_tunn_params *params);
351
352 int (*ntuple_filter_config)(struct qed_dev *cdev,
353 void *cookie,
354 struct qed_ntuple_filter_params *params);
355
356 int (*configure_arfs_searcher)(struct qed_dev *cdev,
357 enum qed_filter_config_mode mode);
358 int (*get_coalesce)(struct qed_dev *cdev, u16 *coal, void *handle);
359 int (*req_bulletin_update_mac)(struct qed_dev *cdev, u8 *mac);
360};
361
362const struct qed_eth_ops *qed_get_eth_ops(void);
363void qed_put_eth_ops(void);
364
365#endif