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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*******************************************************************************
3 Copyright (C) 2007-2009 STMicroelectronics Ltd
4
5
6 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
7*******************************************************************************/
8
9#ifndef __STMMAC_H__
10#define __STMMAC_H__
11
12#define STMMAC_RESOURCE_NAME "stmmaceth"
13
14#include <linux/clk.h>
15#include <linux/hrtimer.h>
16#include <linux/if_vlan.h>
17#include <linux/stmmac.h>
18#include <linux/phylink.h>
19#include <linux/pci.h>
20#include "common.h"
21#include <linux/ptp_clock_kernel.h>
22#include <linux/net_tstamp.h>
23#include <linux/reset.h>
24#include <net/page_pool/types.h>
25#include <net/xdp.h>
26#include <uapi/linux/bpf.h>
27
28struct stmmac_resources {
29 void __iomem *addr;
30 u8 mac[ETH_ALEN];
31 int wol_irq;
32 int lpi_irq;
33 int irq;
34 int sfty_ce_irq;
35 int sfty_ue_irq;
36 int rx_irq[MTL_MAX_RX_QUEUES];
37 int tx_irq[MTL_MAX_TX_QUEUES];
38};
39
40enum stmmac_txbuf_type {
41 STMMAC_TXBUF_T_SKB,
42 STMMAC_TXBUF_T_XDP_TX,
43 STMMAC_TXBUF_T_XDP_NDO,
44 STMMAC_TXBUF_T_XSK_TX,
45};
46
47struct stmmac_tx_info {
48 dma_addr_t buf;
49 bool map_as_page;
50 unsigned len;
51 bool last_segment;
52 bool is_jumbo;
53 enum stmmac_txbuf_type buf_type;
54 struct xsk_tx_metadata_compl xsk_meta;
55};
56
57#define STMMAC_TBS_AVAIL BIT(0)
58#define STMMAC_TBS_EN BIT(1)
59
60/* Frequently used values are kept adjacent for cache effect */
61struct stmmac_tx_queue {
62 u32 tx_count_frames;
63 int tbs;
64 struct hrtimer txtimer;
65 u32 queue_index;
66 struct stmmac_priv *priv_data;
67 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
68 struct dma_edesc *dma_entx;
69 struct dma_desc *dma_tx;
70 union {
71 struct sk_buff **tx_skbuff;
72 struct xdp_frame **xdpf;
73 };
74 struct stmmac_tx_info *tx_skbuff_dma;
75 struct xsk_buff_pool *xsk_pool;
76 u32 xsk_frames_done;
77 unsigned int cur_tx;
78 unsigned int dirty_tx;
79 dma_addr_t dma_tx_phy;
80 dma_addr_t tx_tail_addr;
81 u32 mss;
82};
83
84struct stmmac_rx_buffer {
85 union {
86 struct {
87 struct page *page;
88 dma_addr_t addr;
89 __u32 page_offset;
90 };
91 struct xdp_buff *xdp;
92 };
93 struct page *sec_page;
94 dma_addr_t sec_addr;
95};
96
97struct stmmac_xdp_buff {
98 struct xdp_buff xdp;
99 struct stmmac_priv *priv;
100 struct dma_desc *desc;
101 struct dma_desc *ndesc;
102};
103
104struct stmmac_metadata_request {
105 struct stmmac_priv *priv;
106 struct dma_desc *tx_desc;
107 bool *set_ic;
108};
109
110struct stmmac_xsk_tx_complete {
111 struct stmmac_priv *priv;
112 struct dma_desc *desc;
113};
114
115struct stmmac_rx_queue {
116 u32 rx_count_frames;
117 u32 queue_index;
118 struct xdp_rxq_info xdp_rxq;
119 struct xsk_buff_pool *xsk_pool;
120 struct page_pool *page_pool;
121 struct stmmac_rx_buffer *buf_pool;
122 struct stmmac_priv *priv_data;
123 struct dma_extended_desc *dma_erx;
124 struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
125 unsigned int cur_rx;
126 unsigned int dirty_rx;
127 unsigned int buf_alloc_num;
128 u32 rx_zeroc_thresh;
129 dma_addr_t dma_rx_phy;
130 u32 rx_tail_addr;
131 unsigned int state_saved;
132 struct {
133 struct sk_buff *skb;
134 unsigned int len;
135 unsigned int error;
136 } state;
137};
138
139struct stmmac_channel {
140 struct napi_struct rx_napi ____cacheline_aligned_in_smp;
141 struct napi_struct tx_napi ____cacheline_aligned_in_smp;
142 struct napi_struct rxtx_napi ____cacheline_aligned_in_smp;
143 struct stmmac_priv *priv_data;
144 spinlock_t lock;
145 u32 index;
146};
147
148struct stmmac_tc_entry {
149 bool in_use;
150 bool in_hw;
151 bool is_last;
152 bool is_frag;
153 void *frag_ptr;
154 unsigned int table_pos;
155 u32 handle;
156 u32 prio;
157 struct {
158 u32 match_data;
159 u32 match_en;
160 u8 af:1;
161 u8 rf:1;
162 u8 im:1;
163 u8 nc:1;
164 u8 res1:4;
165 u8 frame_offset;
166 u8 ok_index;
167 u8 dma_ch_no;
168 u32 res2;
169 } __packed val;
170};
171
172#define STMMAC_PPS_MAX 4
173struct stmmac_pps_cfg {
174 bool available;
175 struct timespec64 start;
176 struct timespec64 period;
177};
178
179struct stmmac_rss {
180 int enable;
181 u8 key[STMMAC_RSS_HASH_KEY_SIZE];
182 u32 table[STMMAC_RSS_MAX_TABLE_SIZE];
183};
184
185#define STMMAC_FLOW_ACTION_DROP BIT(0)
186struct stmmac_flow_entry {
187 unsigned long cookie;
188 unsigned long action;
189 u8 ip_proto;
190 int in_use;
191 int idx;
192 int is_l4;
193};
194
195/* Rx Frame Steering */
196enum stmmac_rfs_type {
197 STMMAC_RFS_T_VLAN,
198 STMMAC_RFS_T_LLDP,
199 STMMAC_RFS_T_1588,
200 STMMAC_RFS_T_MAX,
201};
202
203struct stmmac_rfs_entry {
204 unsigned long cookie;
205 u16 etype;
206 int in_use;
207 int type;
208 int tc;
209};
210
211struct stmmac_dma_conf {
212 unsigned int dma_buf_sz;
213
214 /* RX Queue */
215 struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES];
216 unsigned int dma_rx_size;
217
218 /* TX Queue */
219 struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES];
220 unsigned int dma_tx_size;
221};
222
223struct stmmac_priv {
224 /* Frequently used values are kept adjacent for cache effect */
225 u32 tx_coal_frames[MTL_MAX_TX_QUEUES];
226 u32 tx_coal_timer[MTL_MAX_TX_QUEUES];
227 u32 rx_coal_frames[MTL_MAX_TX_QUEUES];
228
229 int hwts_tx_en;
230 bool tx_path_in_lpi_mode;
231 bool tso;
232 int sph;
233 int sph_cap;
234 u32 sarc_type;
235
236 unsigned int rx_copybreak;
237 u32 rx_riwt[MTL_MAX_TX_QUEUES];
238 int hwts_rx_en;
239
240 void __iomem *ioaddr;
241 struct net_device *dev;
242 struct device *device;
243 struct mac_device_info *hw;
244 int (*hwif_quirks)(struct stmmac_priv *priv);
245 struct mutex lock;
246
247 struct stmmac_dma_conf dma_conf;
248
249 /* Generic channel for NAPI */
250 struct stmmac_channel channel[STMMAC_CH_MAX];
251
252 int speed;
253 unsigned int flow_ctrl;
254 unsigned int pause;
255 struct mii_bus *mii;
256
257 struct phylink_config phylink_config;
258 struct phylink *phylink;
259
260 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
261 struct stmmac_safety_stats sstats;
262 struct plat_stmmacenet_data *plat;
263 struct dma_features dma_cap;
264 struct stmmac_counters mmc;
265 int hw_cap_support;
266 int synopsys_id;
267 u32 msg_enable;
268 int wolopts;
269 int wol_irq;
270 bool wol_irq_disabled;
271 int clk_csr;
272 struct timer_list eee_ctrl_timer;
273 int lpi_irq;
274 int eee_enabled;
275 int eee_active;
276 int tx_lpi_timer;
277 int tx_lpi_enabled;
278 int eee_tw_timer;
279 bool eee_sw_timer_en;
280 unsigned int mode;
281 unsigned int chain_mode;
282 int extend_desc;
283 struct hwtstamp_config tstamp_config;
284 struct ptp_clock *ptp_clock;
285 struct ptp_clock_info ptp_clock_ops;
286 unsigned int default_addend;
287 u32 sub_second_inc;
288 u32 systime_flags;
289 u32 adv_ts;
290 int use_riwt;
291 int irq_wake;
292 rwlock_t ptp_lock;
293 /* Protects auxiliary snapshot registers from concurrent access. */
294 struct mutex aux_ts_lock;
295 wait_queue_head_t tstamp_busy_wait;
296
297 void __iomem *mmcaddr;
298 void __iomem *ptpaddr;
299 void __iomem *estaddr;
300 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
301 int sfty_ce_irq;
302 int sfty_ue_irq;
303 int rx_irq[MTL_MAX_RX_QUEUES];
304 int tx_irq[MTL_MAX_TX_QUEUES];
305 /*irq name */
306 char int_name_mac[IFNAMSIZ + 9];
307 char int_name_wol[IFNAMSIZ + 9];
308 char int_name_lpi[IFNAMSIZ + 9];
309 char int_name_sfty_ce[IFNAMSIZ + 10];
310 char int_name_sfty_ue[IFNAMSIZ + 10];
311 char int_name_rx_irq[MTL_MAX_TX_QUEUES][IFNAMSIZ + 14];
312 char int_name_tx_irq[MTL_MAX_TX_QUEUES][IFNAMSIZ + 18];
313
314#ifdef CONFIG_DEBUG_FS
315 struct dentry *dbgfs_dir;
316#endif
317
318 unsigned long state;
319 struct workqueue_struct *wq;
320 struct work_struct service_task;
321
322 /* Workqueue for handling FPE hand-shaking */
323 unsigned long fpe_task_state;
324 struct workqueue_struct *fpe_wq;
325 struct work_struct fpe_task;
326 char wq_name[IFNAMSIZ + 4];
327
328 /* TC Handling */
329 unsigned int tc_entries_max;
330 unsigned int tc_off_max;
331 struct stmmac_tc_entry *tc_entries;
332 unsigned int flow_entries_max;
333 struct stmmac_flow_entry *flow_entries;
334 unsigned int rfs_entries_max[STMMAC_RFS_T_MAX];
335 unsigned int rfs_entries_cnt[STMMAC_RFS_T_MAX];
336 unsigned int rfs_entries_total;
337 struct stmmac_rfs_entry *rfs_entries;
338
339 /* Pulse Per Second output */
340 struct stmmac_pps_cfg pps[STMMAC_PPS_MAX];
341
342 /* Receive Side Scaling */
343 struct stmmac_rss rss;
344
345 /* XDP BPF Program */
346 unsigned long *af_xdp_zc_qps;
347 struct bpf_prog *xdp_prog;
348};
349
350enum stmmac_state {
351 STMMAC_DOWN,
352 STMMAC_RESET_REQUESTED,
353 STMMAC_RESETING,
354 STMMAC_SERVICE_SCHED,
355};
356
357int stmmac_mdio_unregister(struct net_device *ndev);
358int stmmac_mdio_register(struct net_device *ndev);
359int stmmac_mdio_reset(struct mii_bus *mii);
360int stmmac_xpcs_setup(struct mii_bus *mii);
361void stmmac_set_ethtool_ops(struct net_device *netdev);
362
363int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags);
364void stmmac_ptp_register(struct stmmac_priv *priv);
365void stmmac_ptp_unregister(struct stmmac_priv *priv);
366int stmmac_xdp_open(struct net_device *dev);
367void stmmac_xdp_release(struct net_device *dev);
368int stmmac_resume(struct device *dev);
369int stmmac_suspend(struct device *dev);
370void stmmac_dvr_remove(struct device *dev);
371int stmmac_dvr_probe(struct device *device,
372 struct plat_stmmacenet_data *plat_dat,
373 struct stmmac_resources *res);
374void stmmac_disable_eee_mode(struct stmmac_priv *priv);
375bool stmmac_eee_init(struct stmmac_priv *priv);
376int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt);
377int stmmac_reinit_ringparam(struct net_device *dev, u32 rx_size, u32 tx_size);
378int stmmac_bus_clks_config(struct stmmac_priv *priv, bool enabled);
379void stmmac_fpe_handshake(struct stmmac_priv *priv, bool enable);
380
381static inline bool stmmac_xdp_is_enabled(struct stmmac_priv *priv)
382{
383 return !!priv->xdp_prog;
384}
385
386static inline unsigned int stmmac_rx_offset(struct stmmac_priv *priv)
387{
388 if (stmmac_xdp_is_enabled(priv))
389 return XDP_PACKET_HEADROOM;
390
391 return 0;
392}
393
394void stmmac_disable_rx_queue(struct stmmac_priv *priv, u32 queue);
395void stmmac_enable_rx_queue(struct stmmac_priv *priv, u32 queue);
396void stmmac_disable_tx_queue(struct stmmac_priv *priv, u32 queue);
397void stmmac_enable_tx_queue(struct stmmac_priv *priv, u32 queue);
398int stmmac_xsk_wakeup(struct net_device *dev, u32 queue, u32 flags);
399struct timespec64 stmmac_calc_tas_basetime(ktime_t old_base_time,
400 ktime_t current_time,
401 u64 cycle_time);
402
403#if IS_ENABLED(CONFIG_STMMAC_SELFTESTS)
404void stmmac_selftest_run(struct net_device *dev,
405 struct ethtool_test *etest, u64 *buf);
406void stmmac_selftest_get_strings(struct stmmac_priv *priv, u8 *data);
407int stmmac_selftest_get_count(struct stmmac_priv *priv);
408#else
409static inline void stmmac_selftest_run(struct net_device *dev,
410 struct ethtool_test *etest, u64 *buf)
411{
412 /* Not enabled */
413}
414static inline void stmmac_selftest_get_strings(struct stmmac_priv *priv,
415 u8 *data)
416{
417 /* Not enabled */
418}
419static inline int stmmac_selftest_get_count(struct stmmac_priv *priv)
420{
421 return -EOPNOTSUPP;
422}
423#endif /* CONFIG_STMMAC_SELFTESTS */
424
425#endif /* __STMMAC_H__ */
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*******************************************************************************
3 Copyright (C) 2007-2009 STMicroelectronics Ltd
4
5
6 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
7*******************************************************************************/
8
9#ifndef __STMMAC_H__
10#define __STMMAC_H__
11
12#define STMMAC_RESOURCE_NAME "stmmaceth"
13
14#include <linux/clk.h>
15#include <linux/hrtimer.h>
16#include <linux/if_vlan.h>
17#include <linux/stmmac.h>
18#include <linux/phylink.h>
19#include <linux/pci.h>
20#include "common.h"
21#include <linux/ptp_clock_kernel.h>
22#include <linux/net_tstamp.h>
23#include <linux/reset.h>
24#include <net/page_pool.h>
25#include <uapi/linux/bpf.h>
26
27struct stmmac_resources {
28 void __iomem *addr;
29 u8 mac[ETH_ALEN];
30 int wol_irq;
31 int lpi_irq;
32 int irq;
33 int sfty_ce_irq;
34 int sfty_ue_irq;
35 int rx_irq[MTL_MAX_RX_QUEUES];
36 int tx_irq[MTL_MAX_TX_QUEUES];
37};
38
39enum stmmac_txbuf_type {
40 STMMAC_TXBUF_T_SKB,
41 STMMAC_TXBUF_T_XDP_TX,
42 STMMAC_TXBUF_T_XDP_NDO,
43 STMMAC_TXBUF_T_XSK_TX,
44};
45
46struct stmmac_tx_info {
47 dma_addr_t buf;
48 bool map_as_page;
49 unsigned len;
50 bool last_segment;
51 bool is_jumbo;
52 enum stmmac_txbuf_type buf_type;
53};
54
55#define STMMAC_TBS_AVAIL BIT(0)
56#define STMMAC_TBS_EN BIT(1)
57
58/* Frequently used values are kept adjacent for cache effect */
59struct stmmac_tx_queue {
60 u32 tx_count_frames;
61 int tbs;
62 struct hrtimer txtimer;
63 u32 queue_index;
64 struct stmmac_priv *priv_data;
65 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
66 struct dma_edesc *dma_entx;
67 struct dma_desc *dma_tx;
68 union {
69 struct sk_buff **tx_skbuff;
70 struct xdp_frame **xdpf;
71 };
72 struct stmmac_tx_info *tx_skbuff_dma;
73 struct xsk_buff_pool *xsk_pool;
74 u32 xsk_frames_done;
75 unsigned int cur_tx;
76 unsigned int dirty_tx;
77 dma_addr_t dma_tx_phy;
78 dma_addr_t tx_tail_addr;
79 u32 mss;
80};
81
82struct stmmac_rx_buffer {
83 union {
84 struct {
85 struct page *page;
86 dma_addr_t addr;
87 __u32 page_offset;
88 };
89 struct xdp_buff *xdp;
90 };
91 struct page *sec_page;
92 dma_addr_t sec_addr;
93};
94
95struct stmmac_rx_queue {
96 u32 rx_count_frames;
97 u32 queue_index;
98 struct xdp_rxq_info xdp_rxq;
99 struct xsk_buff_pool *xsk_pool;
100 struct page_pool *page_pool;
101 struct stmmac_rx_buffer *buf_pool;
102 struct stmmac_priv *priv_data;
103 struct dma_extended_desc *dma_erx;
104 struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
105 unsigned int cur_rx;
106 unsigned int dirty_rx;
107 unsigned int buf_alloc_num;
108 u32 rx_zeroc_thresh;
109 dma_addr_t dma_rx_phy;
110 u32 rx_tail_addr;
111 unsigned int state_saved;
112 struct {
113 struct sk_buff *skb;
114 unsigned int len;
115 unsigned int error;
116 } state;
117};
118
119struct stmmac_channel {
120 struct napi_struct rx_napi ____cacheline_aligned_in_smp;
121 struct napi_struct tx_napi ____cacheline_aligned_in_smp;
122 struct napi_struct rxtx_napi ____cacheline_aligned_in_smp;
123 struct stmmac_priv *priv_data;
124 spinlock_t lock;
125 u32 index;
126};
127
128struct stmmac_tc_entry {
129 bool in_use;
130 bool in_hw;
131 bool is_last;
132 bool is_frag;
133 void *frag_ptr;
134 unsigned int table_pos;
135 u32 handle;
136 u32 prio;
137 struct {
138 u32 match_data;
139 u32 match_en;
140 u8 af:1;
141 u8 rf:1;
142 u8 im:1;
143 u8 nc:1;
144 u8 res1:4;
145 u8 frame_offset;
146 u8 ok_index;
147 u8 dma_ch_no;
148 u32 res2;
149 } __packed val;
150};
151
152#define STMMAC_PPS_MAX 4
153struct stmmac_pps_cfg {
154 bool available;
155 struct timespec64 start;
156 struct timespec64 period;
157};
158
159struct stmmac_rss {
160 int enable;
161 u8 key[STMMAC_RSS_HASH_KEY_SIZE];
162 u32 table[STMMAC_RSS_MAX_TABLE_SIZE];
163};
164
165#define STMMAC_FLOW_ACTION_DROP BIT(0)
166struct stmmac_flow_entry {
167 unsigned long cookie;
168 unsigned long action;
169 u8 ip_proto;
170 int in_use;
171 int idx;
172 int is_l4;
173};
174
175/* Rx Frame Steering */
176enum stmmac_rfs_type {
177 STMMAC_RFS_T_VLAN,
178 STMMAC_RFS_T_LLDP,
179 STMMAC_RFS_T_1588,
180 STMMAC_RFS_T_MAX,
181};
182
183struct stmmac_rfs_entry {
184 unsigned long cookie;
185 u16 etype;
186 int in_use;
187 int type;
188 int tc;
189};
190
191struct stmmac_dma_conf {
192 unsigned int dma_buf_sz;
193
194 /* RX Queue */
195 struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES];
196 unsigned int dma_rx_size;
197
198 /* TX Queue */
199 struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES];
200 unsigned int dma_tx_size;
201};
202
203struct stmmac_priv {
204 /* Frequently used values are kept adjacent for cache effect */
205 u32 tx_coal_frames[MTL_MAX_TX_QUEUES];
206 u32 tx_coal_timer[MTL_MAX_TX_QUEUES];
207 u32 rx_coal_frames[MTL_MAX_TX_QUEUES];
208
209 int hwts_tx_en;
210 bool tx_path_in_lpi_mode;
211 bool tso;
212 int sph;
213 int sph_cap;
214 u32 sarc_type;
215
216 unsigned int rx_copybreak;
217 u32 rx_riwt[MTL_MAX_TX_QUEUES];
218 int hwts_rx_en;
219
220 void __iomem *ioaddr;
221 struct net_device *dev;
222 struct device *device;
223 struct mac_device_info *hw;
224 int (*hwif_quirks)(struct stmmac_priv *priv);
225 struct mutex lock;
226
227 struct stmmac_dma_conf dma_conf;
228
229 /* Generic channel for NAPI */
230 struct stmmac_channel channel[STMMAC_CH_MAX];
231
232 int speed;
233 unsigned int flow_ctrl;
234 unsigned int pause;
235 struct mii_bus *mii;
236
237 struct phylink_config phylink_config;
238 struct phylink *phylink;
239
240 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
241 struct stmmac_safety_stats sstats;
242 struct plat_stmmacenet_data *plat;
243 struct dma_features dma_cap;
244 struct stmmac_counters mmc;
245 int hw_cap_support;
246 int synopsys_id;
247 u32 msg_enable;
248 int wolopts;
249 int wol_irq;
250 int clk_csr;
251 struct timer_list eee_ctrl_timer;
252 int lpi_irq;
253 int eee_enabled;
254 int eee_active;
255 int tx_lpi_timer;
256 int tx_lpi_enabled;
257 int eee_tw_timer;
258 bool eee_sw_timer_en;
259 unsigned int mode;
260 unsigned int chain_mode;
261 int extend_desc;
262 struct hwtstamp_config tstamp_config;
263 struct ptp_clock *ptp_clock;
264 struct ptp_clock_info ptp_clock_ops;
265 unsigned int default_addend;
266 u32 sub_second_inc;
267 u32 systime_flags;
268 u32 adv_ts;
269 int use_riwt;
270 int irq_wake;
271 rwlock_t ptp_lock;
272 /* Protects auxiliary snapshot registers from concurrent access. */
273 struct mutex aux_ts_lock;
274 wait_queue_head_t tstamp_busy_wait;
275
276 void __iomem *mmcaddr;
277 void __iomem *ptpaddr;
278 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
279 int sfty_ce_irq;
280 int sfty_ue_irq;
281 int rx_irq[MTL_MAX_RX_QUEUES];
282 int tx_irq[MTL_MAX_TX_QUEUES];
283 /*irq name */
284 char int_name_mac[IFNAMSIZ + 9];
285 char int_name_wol[IFNAMSIZ + 9];
286 char int_name_lpi[IFNAMSIZ + 9];
287 char int_name_sfty_ce[IFNAMSIZ + 10];
288 char int_name_sfty_ue[IFNAMSIZ + 10];
289 char int_name_rx_irq[MTL_MAX_TX_QUEUES][IFNAMSIZ + 14];
290 char int_name_tx_irq[MTL_MAX_TX_QUEUES][IFNAMSIZ + 18];
291
292#ifdef CONFIG_DEBUG_FS
293 struct dentry *dbgfs_dir;
294#endif
295
296 unsigned long state;
297 struct workqueue_struct *wq;
298 struct work_struct service_task;
299
300 /* Workqueue for handling FPE hand-shaking */
301 unsigned long fpe_task_state;
302 struct workqueue_struct *fpe_wq;
303 struct work_struct fpe_task;
304 char wq_name[IFNAMSIZ + 4];
305
306 /* TC Handling */
307 unsigned int tc_entries_max;
308 unsigned int tc_off_max;
309 struct stmmac_tc_entry *tc_entries;
310 unsigned int flow_entries_max;
311 struct stmmac_flow_entry *flow_entries;
312 unsigned int rfs_entries_max[STMMAC_RFS_T_MAX];
313 unsigned int rfs_entries_cnt[STMMAC_RFS_T_MAX];
314 unsigned int rfs_entries_total;
315 struct stmmac_rfs_entry *rfs_entries;
316
317 /* Pulse Per Second output */
318 struct stmmac_pps_cfg pps[STMMAC_PPS_MAX];
319
320 /* Receive Side Scaling */
321 struct stmmac_rss rss;
322
323 /* XDP BPF Program */
324 unsigned long *af_xdp_zc_qps;
325 struct bpf_prog *xdp_prog;
326};
327
328enum stmmac_state {
329 STMMAC_DOWN,
330 STMMAC_RESET_REQUESTED,
331 STMMAC_RESETING,
332 STMMAC_SERVICE_SCHED,
333};
334
335int stmmac_mdio_unregister(struct net_device *ndev);
336int stmmac_mdio_register(struct net_device *ndev);
337int stmmac_mdio_reset(struct mii_bus *mii);
338int stmmac_xpcs_setup(struct mii_bus *mii);
339void stmmac_set_ethtool_ops(struct net_device *netdev);
340
341int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags);
342void stmmac_ptp_register(struct stmmac_priv *priv);
343void stmmac_ptp_unregister(struct stmmac_priv *priv);
344int stmmac_xdp_open(struct net_device *dev);
345void stmmac_xdp_release(struct net_device *dev);
346int stmmac_resume(struct device *dev);
347int stmmac_suspend(struct device *dev);
348int stmmac_dvr_remove(struct device *dev);
349int stmmac_dvr_probe(struct device *device,
350 struct plat_stmmacenet_data *plat_dat,
351 struct stmmac_resources *res);
352void stmmac_disable_eee_mode(struct stmmac_priv *priv);
353bool stmmac_eee_init(struct stmmac_priv *priv);
354int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt);
355int stmmac_reinit_ringparam(struct net_device *dev, u32 rx_size, u32 tx_size);
356int stmmac_bus_clks_config(struct stmmac_priv *priv, bool enabled);
357void stmmac_fpe_handshake(struct stmmac_priv *priv, bool enable);
358
359static inline bool stmmac_xdp_is_enabled(struct stmmac_priv *priv)
360{
361 return !!priv->xdp_prog;
362}
363
364static inline unsigned int stmmac_rx_offset(struct stmmac_priv *priv)
365{
366 if (stmmac_xdp_is_enabled(priv))
367 return XDP_PACKET_HEADROOM;
368
369 return 0;
370}
371
372void stmmac_disable_rx_queue(struct stmmac_priv *priv, u32 queue);
373void stmmac_enable_rx_queue(struct stmmac_priv *priv, u32 queue);
374void stmmac_disable_tx_queue(struct stmmac_priv *priv, u32 queue);
375void stmmac_enable_tx_queue(struct stmmac_priv *priv, u32 queue);
376int stmmac_xsk_wakeup(struct net_device *dev, u32 queue, u32 flags);
377struct timespec64 stmmac_calc_tas_basetime(ktime_t old_base_time,
378 ktime_t current_time,
379 u64 cycle_time);
380
381#if IS_ENABLED(CONFIG_STMMAC_SELFTESTS)
382void stmmac_selftest_run(struct net_device *dev,
383 struct ethtool_test *etest, u64 *buf);
384void stmmac_selftest_get_strings(struct stmmac_priv *priv, u8 *data);
385int stmmac_selftest_get_count(struct stmmac_priv *priv);
386#else
387static inline void stmmac_selftest_run(struct net_device *dev,
388 struct ethtool_test *etest, u64 *buf)
389{
390 /* Not enabled */
391}
392static inline void stmmac_selftest_get_strings(struct stmmac_priv *priv,
393 u8 *data)
394{
395 /* Not enabled */
396}
397static inline int stmmac_selftest_get_count(struct stmmac_priv *priv)
398{
399 return -EOPNOTSUPP;
400}
401#endif /* CONFIG_STMMAC_SELFTESTS */
402
403#endif /* __STMMAC_H__ */