xref: /linux-6.15/include/linux/qed/qed_eth_if.h (revision cd6e992b)
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 
42 struct 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 
54 struct qed_rxq_start_ret_params {
55 	void __iomem *p_prod;
56 	void *p_handle;
57 };
58 
59 struct qed_txq_start_ret_params {
60 	void __iomem *p_doorbell;
61 	void *p_handle;
62 };
63 
64 enum 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 
71 struct 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 
93 struct 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 
110 struct qed_update_vport_rss_params {
111 	void	*rss_ind_table[128];
112 	u32	rss_key[10];
113 	u8	rss_caps;
114 };
115 
116 struct 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 
128 struct 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 
138 enum 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 
144 enum 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 
150 struct 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 
158 struct qed_filter_mcast_params {
159 	enum qed_filter_xcast_params_type type;
160 	u8 num;
161 	unsigned char mac[64][ETH_ALEN];
162 };
163 
164 union 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 
170 enum 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 
177 struct qed_filter_params {
178 	enum qed_filter_type type;
179 	union qed_filter_type_params filter;
180 };
181 
182 struct qed_tunn_params {
183 	u16 vxlan_port;
184 	u8 update_vxlan_port;
185 	u16 geneve_port;
186 	u8 update_geneve_port;
187 };
188 
189 struct 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 
197 enum 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 
210 enum 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  */
219 struct 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 
274 struct 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 
285 struct 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 
357 const struct qed_eth_ops *qed_get_eth_ops(void);
358 void qed_put_eth_ops(void);
359 
360 #endif
361