xref: /linux/include/linux/qed/qed_eth_if.h (revision 03ab8e6297acd1bc0eedaa050e2a1635c576fd11)
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_ETH_IF_H
8 #define _QED_ETH_IF_H
9 
10 #include <linux/list.h>
11 #include <linux/if_link.h>
12 #include <linux/qed/eth_common.h>
13 #include <linux/qed/qed_if.h>
14 #include <linux/qed/qed_iov_if.h>
15 
16 /* 64 max queues * (1 rx + 4 tx-cos + 1 xdp) */
17 #define QED_MIN_L2_CONS (2 + NUM_PHYS_TCS_4PORT_K2)
18 #define QED_MAX_L2_CONS (64 * (QED_MIN_L2_CONS))
19 
20 struct qed_queue_start_common_params {
21 	/* Should always be relative to entity sending this. */
22 	u8 vport_id;
23 	u16 queue_id;
24 
25 	/* Relative, but relevant only for PFs */
26 	u8 stats_id;
27 
28 	struct qed_sb_info *p_sb;
29 	u8 sb_idx;
30 
31 	u8 tc;
32 };
33 
34 struct qed_rxq_start_ret_params {
35 	void __iomem *p_prod;
36 	void *p_handle;
37 };
38 
39 struct qed_txq_start_ret_params {
40 	void __iomem *p_doorbell;
41 	void *p_handle;
42 };
43 
44 enum qed_filter_config_mode {
45 	QED_FILTER_CONFIG_MODE_DISABLE,
46 	QED_FILTER_CONFIG_MODE_5_TUPLE,
47 	QED_FILTER_CONFIG_MODE_L4_PORT,
48 	QED_FILTER_CONFIG_MODE_IP_DEST,
49 	QED_FILTER_CONFIG_MODE_IP_SRC,
50 };
51 
52 struct qed_ntuple_filter_params {
53 	/* Physically mapped address containing header of buffer to be used
54 	 * as filter.
55 	 */
56 	dma_addr_t addr;
57 
58 	/* Length of header in bytes */
59 	u16 length;
60 
61 	/* Relative queue-id to receive classified packet */
62 #define QED_RFS_NTUPLE_QID_RSS ((u16)-1)
63 	u16 qid;
64 
65 	/* Identifier can either be according to vport-id or vfid */
66 	bool b_is_vf;
67 	u8 vport_id;
68 	u8 vf_id;
69 
70 	/* true iff this filter is to be added. Else to be removed */
71 	bool b_is_add;
72 
73 	/* If flow needs to be dropped */
74 	bool b_is_drop;
75 };
76 
77 struct qed_dev_eth_info {
78 	struct qed_dev_info common;
79 
80 	u8	num_queues;
81 	u8	num_tc;
82 
83 	u8	port_mac[ETH_ALEN];
84 	u16	num_vlan_filters;
85 	u16	num_mac_filters;
86 
87 	/* Legacy VF - this affects the datapath, so qede has to know */
88 	bool is_legacy;
89 
90 	/* Might depend on available resources [in case of VF] */
91 	bool xdp_supported;
92 };
93 
94 struct qed_update_vport_rss_params {
95 	void	*rss_ind_table[128];
96 	u32	rss_key[10];
97 	u8	rss_caps;
98 };
99 
100 struct qed_update_vport_params {
101 	u8 vport_id;
102 	u8 update_vport_active_flg;
103 	u8 vport_active_flg;
104 	u8 update_tx_switching_flg;
105 	u8 tx_switching_flg;
106 	u8 update_accept_any_vlan_flg;
107 	u8 accept_any_vlan;
108 	u8 update_rss_flg;
109 	struct qed_update_vport_rss_params rss_params;
110 };
111 
112 struct qed_start_vport_params {
113 	bool remove_inner_vlan;
114 	bool handle_ptp_pkts;
115 	bool gro_enable;
116 	bool drop_ttl0;
117 	u8 vport_id;
118 	u16 mtu;
119 	bool clear_stats;
120 };
121 
122 enum qed_filter_rx_mode_type {
123 	QED_FILTER_RX_MODE_TYPE_REGULAR,
124 	QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC,
125 	QED_FILTER_RX_MODE_TYPE_PROMISC,
126 };
127 
128 enum qed_filter_xcast_params_type {
129 	QED_FILTER_XCAST_TYPE_ADD,
130 	QED_FILTER_XCAST_TYPE_DEL,
131 	QED_FILTER_XCAST_TYPE_REPLACE,
132 };
133 
134 struct qed_filter_ucast_params {
135 	enum qed_filter_xcast_params_type type;
136 	u8 vlan_valid;
137 	u16 vlan;
138 	u8 mac_valid;
139 	unsigned char mac[ETH_ALEN];
140 };
141 
142 struct qed_filter_mcast_params {
143 	enum qed_filter_xcast_params_type type;
144 	u8 num;
145 	unsigned char mac[64][ETH_ALEN];
146 };
147 
148 enum qed_filter_type {
149 	QED_FILTER_TYPE_UCAST,
150 	QED_FILTER_TYPE_MCAST,
151 	QED_FILTER_TYPE_RX_MODE,
152 	QED_MAX_FILTER_TYPES,
153 };
154 
155 struct qed_tunn_params {
156 	u16 vxlan_port;
157 	u8 update_vxlan_port;
158 	u16 geneve_port;
159 	u8 update_geneve_port;
160 };
161 
162 struct qed_eth_cb_ops {
163 	struct qed_common_cb_ops common;
164 	void (*force_mac) (void *dev, u8 *mac, bool forced);
165 	void (*ports_update)(void *dev, u16 vxlan_port, u16 geneve_port);
166 };
167 
168 #define QED_MAX_PHC_DRIFT_PPB   291666666
169 
170 enum qed_ptp_filter_type {
171 	QED_PTP_FILTER_NONE,
172 	QED_PTP_FILTER_ALL,
173 	QED_PTP_FILTER_V1_L4_EVENT,
174 	QED_PTP_FILTER_V1_L4_GEN,
175 	QED_PTP_FILTER_V2_L4_EVENT,
176 	QED_PTP_FILTER_V2_L4_GEN,
177 	QED_PTP_FILTER_V2_L2_EVENT,
178 	QED_PTP_FILTER_V2_L2_GEN,
179 	QED_PTP_FILTER_V2_EVENT,
180 	QED_PTP_FILTER_V2_GEN
181 };
182 
183 enum qed_ptp_hwtstamp_tx_type {
184 	QED_PTP_HWTSTAMP_TX_OFF,
185 	QED_PTP_HWTSTAMP_TX_ON,
186 };
187 
188 #ifdef CONFIG_DCB
189 /* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration
190  * of dcbnl_rtnl_ops structure.
191  */
192 struct qed_eth_dcbnl_ops {
193 	/* IEEE 802.1Qaz std */
194 	int (*ieee_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
195 	int (*ieee_setpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
196 	int (*ieee_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
197 	int (*ieee_setets)(struct qed_dev *cdev, struct ieee_ets *ets);
198 	int (*ieee_peer_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
199 	int (*ieee_peer_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
200 	int (*ieee_getapp)(struct qed_dev *cdev, struct dcb_app *app);
201 	int (*ieee_setapp)(struct qed_dev *cdev, struct dcb_app *app);
202 
203 	/* CEE std */
204 	u8 (*getstate)(struct qed_dev *cdev);
205 	u8 (*setstate)(struct qed_dev *cdev, u8 state);
206 	void (*getpgtccfgtx)(struct qed_dev *cdev, int prio, u8 *prio_type,
207 			     u8 *pgid, u8 *bw_pct, u8 *up_map);
208 	void (*getpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
209 	void (*getpgtccfgrx)(struct qed_dev *cdev, int prio, u8 *prio_type,
210 			     u8 *pgid, u8 *bw_pct, u8 *up_map);
211 	void (*getpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
212 	void (*getpfccfg)(struct qed_dev *cdev, int prio, u8 *setting);
213 	void (*setpfccfg)(struct qed_dev *cdev, int prio, u8 setting);
214 	u8 (*getcap)(struct qed_dev *cdev, int capid, u8 *cap);
215 	int (*getnumtcs)(struct qed_dev *cdev, int tcid, u8 *num);
216 	u8 (*getpfcstate)(struct qed_dev *cdev);
217 	int (*getapp)(struct qed_dev *cdev, u8 idtype, u16 id);
218 	u8 (*getfeatcfg)(struct qed_dev *cdev, int featid, u8 *flags);
219 
220 	/* DCBX configuration */
221 	u8 (*getdcbx)(struct qed_dev *cdev);
222 	void (*setpgtccfgtx)(struct qed_dev *cdev, int prio,
223 			     u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
224 	void (*setpgtccfgrx)(struct qed_dev *cdev, int prio,
225 			     u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
226 	void (*setpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
227 	void (*setpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
228 	u8 (*setall)(struct qed_dev *cdev);
229 	int (*setnumtcs)(struct qed_dev *cdev, int tcid, u8 num);
230 	void (*setpfcstate)(struct qed_dev *cdev, u8 state);
231 	int (*setapp)(struct qed_dev *cdev, u8 idtype, u16 idval, u8 up);
232 	u8 (*setdcbx)(struct qed_dev *cdev, u8 state);
233 	u8 (*setfeatcfg)(struct qed_dev *cdev, int featid, u8 flags);
234 
235 	/* Peer apps */
236 	int (*peer_getappinfo)(struct qed_dev *cdev,
237 			       struct dcb_peer_app_info *info,
238 			       u16 *app_count);
239 	int (*peer_getapptable)(struct qed_dev *cdev, struct dcb_app *table);
240 
241 	/* CEE peer */
242 	int (*cee_peer_getpfc)(struct qed_dev *cdev, struct cee_pfc *pfc);
243 	int (*cee_peer_getpg)(struct qed_dev *cdev, struct cee_pg *pg);
244 };
245 #endif
246 
247 struct qed_eth_ptp_ops {
248 	int (*cfg_filters)(struct qed_dev *, enum qed_ptp_filter_type,
249 			   enum qed_ptp_hwtstamp_tx_type);
250 	int (*read_rx_ts)(struct qed_dev *, u64 *);
251 	int (*read_tx_ts)(struct qed_dev *, u64 *);
252 	int (*read_cc)(struct qed_dev *, u64 *);
253 	int (*disable)(struct qed_dev *);
254 	int (*adjfreq)(struct qed_dev *, s32);
255 	int (*enable)(struct qed_dev *);
256 };
257 
258 struct qed_eth_ops {
259 	const struct qed_common_ops *common;
260 #ifdef CONFIG_QED_SRIOV
261 	const struct qed_iov_hv_ops *iov;
262 #endif
263 #ifdef CONFIG_DCB
264 	const struct qed_eth_dcbnl_ops *dcb;
265 #endif
266 	const struct qed_eth_ptp_ops *ptp;
267 
268 	int (*fill_dev_info)(struct qed_dev *cdev,
269 			     struct qed_dev_eth_info *info);
270 
271 	void (*register_ops)(struct qed_dev *cdev,
272 			     struct qed_eth_cb_ops *ops,
273 			     void *cookie);
274 
275 	 bool(*check_mac) (struct qed_dev *cdev, u8 *mac);
276 
277 	int (*vport_start)(struct qed_dev *cdev,
278 			   struct qed_start_vport_params *params);
279 
280 	int (*vport_stop)(struct qed_dev *cdev,
281 			  u8 vport_id);
282 
283 	int (*vport_update)(struct qed_dev *cdev,
284 			    struct qed_update_vport_params *params);
285 
286 	int (*q_rx_start)(struct qed_dev *cdev,
287 			  u8 rss_num,
288 			  struct qed_queue_start_common_params *params,
289 			  u16 bd_max_bytes,
290 			  dma_addr_t bd_chain_phys_addr,
291 			  dma_addr_t cqe_pbl_addr,
292 			  u16 cqe_pbl_size,
293 			  struct qed_rxq_start_ret_params *ret_params);
294 
295 	int (*q_rx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
296 
297 	int (*q_tx_start)(struct qed_dev *cdev,
298 			  u8 rss_num,
299 			  struct qed_queue_start_common_params *params,
300 			  dma_addr_t pbl_addr,
301 			  u16 pbl_size,
302 			  struct qed_txq_start_ret_params *ret_params);
303 
304 	int (*q_tx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
305 
306 	int (*filter_config_rx_mode)(struct qed_dev *cdev,
307 				     enum qed_filter_rx_mode_type type);
308 
309 	int (*filter_config_ucast)(struct qed_dev *cdev,
310 				   struct qed_filter_ucast_params *params);
311 
312 	int (*filter_config_mcast)(struct qed_dev *cdev,
313 				   struct qed_filter_mcast_params *params);
314 
315 	int (*fastpath_stop)(struct qed_dev *cdev);
316 
317 	int (*eth_cqe_completion)(struct qed_dev *cdev,
318 				  u8 rss_id,
319 				  struct eth_slow_path_rx_cqe *cqe);
320 
321 	void (*get_vport_stats)(struct qed_dev *cdev,
322 				struct qed_eth_stats *stats);
323 
324 	int (*tunn_config)(struct qed_dev *cdev,
325 			   struct qed_tunn_params *params);
326 
327 	int (*ntuple_filter_config)(struct qed_dev *cdev,
328 				    void *cookie,
329 				    struct qed_ntuple_filter_params *params);
330 
331 	int (*configure_arfs_searcher)(struct qed_dev *cdev,
332 				       enum qed_filter_config_mode mode);
333 	int (*get_coalesce)(struct qed_dev *cdev, u16 *coal, void *handle);
334 	int (*req_bulletin_update_mac)(struct qed_dev *cdev, const u8 *mac);
335 };
336 
337 const struct qed_eth_ops *qed_get_eth_ops(void);
338 void qed_put_eth_ops(void);
339 
340 #endif
341