tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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};
70
71struct qed_ntuple_filter_params {
72 /* Physically mapped address containing header of buffer to be used
73 * as filter.
74 */
75 dma_addr_t addr;
76
77 /* Length of header in bytes */
78 u16 length;
79
80 /* Relative queue-id to receive classified packet */
81#define QED_RFS_NTUPLE_QID_RSS ((u16)-1)
82 u16 qid;
83
84 /* Identifier can either be according to vport-id or vfid */
85 bool b_is_vf;
86 u8 vport_id;
87 u8 vf_id;
88
89 /* true iff this filter is to be added. Else to be removed */
90 bool b_is_add;
91};
92
93struct qed_dev_eth_info {
94 struct qed_dev_info common;
95
96 u8 num_queues;
97 u8 num_tc;
98
99 u8 port_mac[ETH_ALEN];
100 u16 num_vlan_filters;
101 u16 num_mac_filters;
102
103 /* Legacy VF - this affects the datapath, so qede has to know */
104 bool is_legacy;
105
106 /* Might depend on available resources [in case of VF] */
107 bool xdp_supported;
108};
109
110struct qed_update_vport_rss_params {
111 void *rss_ind_table[128];
112 u32 rss_key[10];
113 u8 rss_caps;
114};
115
116struct qed_update_vport_params {
117 u8 vport_id;
118 u8 update_vport_active_flg;
119 u8 vport_active_flg;
120 u8 update_tx_switching_flg;
121 u8 tx_switching_flg;
122 u8 update_accept_any_vlan_flg;
123 u8 accept_any_vlan;
124 u8 update_rss_flg;
125 struct qed_update_vport_rss_params rss_params;
126};
127
128struct qed_start_vport_params {
129 bool remove_inner_vlan;
130 bool handle_ptp_pkts;
131 bool gro_enable;
132 bool drop_ttl0;
133 u8 vport_id;
134 u16 mtu;
135 bool clear_stats;
136};
137
138enum qed_filter_rx_mode_type {
139 QED_FILTER_RX_MODE_TYPE_REGULAR,
140 QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC,
141 QED_FILTER_RX_MODE_TYPE_PROMISC,
142};
143
144enum qed_filter_xcast_params_type {
145 QED_FILTER_XCAST_TYPE_ADD,
146 QED_FILTER_XCAST_TYPE_DEL,
147 QED_FILTER_XCAST_TYPE_REPLACE,
148};
149
150struct qed_filter_ucast_params {
151 enum qed_filter_xcast_params_type type;
152 u8 vlan_valid;
153 u16 vlan;
154 u8 mac_valid;
155 unsigned char mac[ETH_ALEN];
156};
157
158struct qed_filter_mcast_params {
159 enum qed_filter_xcast_params_type type;
160 u8 num;
161 unsigned char mac[64][ETH_ALEN];
162};
163
164union qed_filter_type_params {
165 enum qed_filter_rx_mode_type accept_flags;
166 struct qed_filter_ucast_params ucast;
167 struct qed_filter_mcast_params mcast;
168};
169
170enum qed_filter_type {
171 QED_FILTER_TYPE_UCAST,
172 QED_FILTER_TYPE_MCAST,
173 QED_FILTER_TYPE_RX_MODE,
174 QED_MAX_FILTER_TYPES,
175};
176
177struct qed_filter_params {
178 enum qed_filter_type type;
179 union qed_filter_type_params filter;
180};
181
182struct qed_tunn_params {
183 u16 vxlan_port;
184 u8 update_vxlan_port;
185 u16 geneve_port;
186 u8 update_geneve_port;
187};
188
189struct qed_eth_cb_ops {
190 struct qed_common_cb_ops common;
191 void (*force_mac) (void *dev, u8 *mac, bool forced);
192 void (*ports_update)(void *dev, u16 vxlan_port, u16 geneve_port);
193};
194
195#define QED_MAX_PHC_DRIFT_PPB 291666666
196
197enum qed_ptp_filter_type {
198 QED_PTP_FILTER_NONE,
199 QED_PTP_FILTER_ALL,
200 QED_PTP_FILTER_V1_L4_EVENT,
201 QED_PTP_FILTER_V1_L4_GEN,
202 QED_PTP_FILTER_V2_L4_EVENT,
203 QED_PTP_FILTER_V2_L4_GEN,
204 QED_PTP_FILTER_V2_L2_EVENT,
205 QED_PTP_FILTER_V2_L2_GEN,
206 QED_PTP_FILTER_V2_EVENT,
207 QED_PTP_FILTER_V2_GEN
208};
209
210enum qed_ptp_hwtstamp_tx_type {
211 QED_PTP_HWTSTAMP_TX_OFF,
212 QED_PTP_HWTSTAMP_TX_ON,
213};
214
215#ifdef CONFIG_DCB
216/* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration
217 * of dcbnl_rtnl_ops structure.
218 */
219struct qed_eth_dcbnl_ops {
220 /* IEEE 802.1Qaz std */
221 int (*ieee_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
222 int (*ieee_setpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
223 int (*ieee_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
224 int (*ieee_setets)(struct qed_dev *cdev, struct ieee_ets *ets);
225 int (*ieee_peer_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
226 int (*ieee_peer_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
227 int (*ieee_getapp)(struct qed_dev *cdev, struct dcb_app *app);
228 int (*ieee_setapp)(struct qed_dev *cdev, struct dcb_app *app);
229
230 /* CEE std */
231 u8 (*getstate)(struct qed_dev *cdev);
232 u8 (*setstate)(struct qed_dev *cdev, u8 state);
233 void (*getpgtccfgtx)(struct qed_dev *cdev, int prio, u8 *prio_type,
234 u8 *pgid, u8 *bw_pct, u8 *up_map);
235 void (*getpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
236 void (*getpgtccfgrx)(struct qed_dev *cdev, int prio, u8 *prio_type,
237 u8 *pgid, u8 *bw_pct, u8 *up_map);
238 void (*getpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
239 void (*getpfccfg)(struct qed_dev *cdev, int prio, u8 *setting);
240 void (*setpfccfg)(struct qed_dev *cdev, int prio, u8 setting);
241 u8 (*getcap)(struct qed_dev *cdev, int capid, u8 *cap);
242 int (*getnumtcs)(struct qed_dev *cdev, int tcid, u8 *num);
243 u8 (*getpfcstate)(struct qed_dev *cdev);
244 int (*getapp)(struct qed_dev *cdev, u8 idtype, u16 id);
245 u8 (*getfeatcfg)(struct qed_dev *cdev, int featid, u8 *flags);
246
247 /* DCBX configuration */
248 u8 (*getdcbx)(struct qed_dev *cdev);
249 void (*setpgtccfgtx)(struct qed_dev *cdev, int prio,
250 u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
251 void (*setpgtccfgrx)(struct qed_dev *cdev, int prio,
252 u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
253 void (*setpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
254 void (*setpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
255 u8 (*setall)(struct qed_dev *cdev);
256 int (*setnumtcs)(struct qed_dev *cdev, int tcid, u8 num);
257 void (*setpfcstate)(struct qed_dev *cdev, u8 state);
258 int (*setapp)(struct qed_dev *cdev, u8 idtype, u16 idval, u8 up);
259 u8 (*setdcbx)(struct qed_dev *cdev, u8 state);
260 u8 (*setfeatcfg)(struct qed_dev *cdev, int featid, u8 flags);
261
262 /* Peer apps */
263 int (*peer_getappinfo)(struct qed_dev *cdev,
264 struct dcb_peer_app_info *info,
265 u16 *app_count);
266 int (*peer_getapptable)(struct qed_dev *cdev, struct dcb_app *table);
267
268 /* CEE peer */
269 int (*cee_peer_getpfc)(struct qed_dev *cdev, struct cee_pfc *pfc);
270 int (*cee_peer_getpg)(struct qed_dev *cdev, struct cee_pg *pg);
271};
272#endif
273
274struct qed_eth_ptp_ops {
275 int (*cfg_filters)(struct qed_dev *, enum qed_ptp_filter_type,
276 enum qed_ptp_hwtstamp_tx_type);
277 int (*read_rx_ts)(struct qed_dev *, u64 *);
278 int (*read_tx_ts)(struct qed_dev *, u64 *);
279 int (*read_cc)(struct qed_dev *, u64 *);
280 int (*disable)(struct qed_dev *);
281 int (*adjfreq)(struct qed_dev *, s32);
282 int (*enable)(struct qed_dev *);
283};
284
285struct qed_eth_ops {
286 const struct qed_common_ops *common;
287#ifdef CONFIG_QED_SRIOV
288 const struct qed_iov_hv_ops *iov;
289#endif
290#ifdef CONFIG_DCB
291 const struct qed_eth_dcbnl_ops *dcb;
292#endif
293 const struct qed_eth_ptp_ops *ptp;
294
295 int (*fill_dev_info)(struct qed_dev *cdev,
296 struct qed_dev_eth_info *info);
297
298 void (*register_ops)(struct qed_dev *cdev,
299 struct qed_eth_cb_ops *ops,
300 void *cookie);
301
302 bool(*check_mac) (struct qed_dev *cdev, u8 *mac);
303
304 int (*vport_start)(struct qed_dev *cdev,
305 struct qed_start_vport_params *params);
306
307 int (*vport_stop)(struct qed_dev *cdev,
308 u8 vport_id);
309
310 int (*vport_update)(struct qed_dev *cdev,
311 struct qed_update_vport_params *params);
312
313 int (*q_rx_start)(struct qed_dev *cdev,
314 u8 rss_num,
315 struct qed_queue_start_common_params *params,
316 u16 bd_max_bytes,
317 dma_addr_t bd_chain_phys_addr,
318 dma_addr_t cqe_pbl_addr,
319 u16 cqe_pbl_size,
320 struct qed_rxq_start_ret_params *ret_params);
321
322 int (*q_rx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
323
324 int (*q_tx_start)(struct qed_dev *cdev,
325 u8 rss_num,
326 struct qed_queue_start_common_params *params,
327 dma_addr_t pbl_addr,
328 u16 pbl_size,
329 struct qed_txq_start_ret_params *ret_params);
330
331 int (*q_tx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
332
333 int (*filter_config)(struct qed_dev *cdev,
334 struct qed_filter_params *params);
335
336 int (*fastpath_stop)(struct qed_dev *cdev);
337
338 int (*eth_cqe_completion)(struct qed_dev *cdev,
339 u8 rss_id,
340 struct eth_slow_path_rx_cqe *cqe);
341
342 void (*get_vport_stats)(struct qed_dev *cdev,
343 struct qed_eth_stats *stats);
344
345 int (*tunn_config)(struct qed_dev *cdev,
346 struct qed_tunn_params *params);
347
348 int (*ntuple_filter_config)(struct qed_dev *cdev,
349 void *cookie,
350 struct qed_ntuple_filter_params *params);
351
352 int (*configure_arfs_searcher)(struct qed_dev *cdev,
353 enum qed_filter_config_mode mode);
354 int (*get_coalesce)(struct qed_dev *cdev, u16 *coal, void *handle);
355};
356
357const struct qed_eth_ops *qed_get_eth_ops(void);
358void qed_put_eth_ops(void);
359
360#endif