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Merge tag 'mm-hotfixes-stable-2025-07-11-16-16' of git://git.kernel.org/pub/scm/linux...
[linux-2.6-block.git] / drivers / net / ethernet / stmicro / stmmac / common.h
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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*******************************************************************************
3 STMMAC Common Header File
4
5 Copyright (C) 2007-2009 STMicroelectronics Ltd
6
7
8 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
9*******************************************************************************/
10
11#ifndef __COMMON_H__
12#define __COMMON_H__
13
14#include <linux/etherdevice.h>
15#include <linux/netdevice.h>
16#include <linux/stmmac.h>
17#include <linux/phy.h>
18#include <linux/pcs/pcs-xpcs.h>
19#include <linux/module.h>
20#if IS_ENABLED(CONFIG_VLAN_8021Q)
21#define STMMAC_VLAN_TAG_USED
22#include <linux/if_vlan.h>
23#endif
24
25#include "descs.h"
26#include "hwif.h"
27#include "mmc.h"
28
29/* Synopsys Core versions */
30#define DWMAC_CORE_3_40 0x34
31#define DWMAC_CORE_3_50 0x35
32#define DWMAC_CORE_3_70 0x37
33#define DWMAC_CORE_4_00 0x40
34#define DWMAC_CORE_4_10 0x41
35#define DWMAC_CORE_5_00 0x50
36#define DWMAC_CORE_5_10 0x51
37#define DWMAC_CORE_5_20 0x52
38#define DWXGMAC_CORE_2_10 0x21
39#define DWXGMAC_CORE_2_20 0x22
40#define DWXLGMAC_CORE_2_00 0x20
41
42/* Device ID */
43#define DWXGMAC_ID 0x76
44#define DWXLGMAC_ID 0x27
45
46#define STMMAC_CHAN0 0 /* Always supported and default for all chips */
47
48/* TX and RX Descriptor Length, these need to be power of two.
49 * TX descriptor length less than 64 may cause transmit queue timed out error.
50 * RX descriptor length less than 64 may cause inconsistent Rx chain error.
51 */
52#define DMA_MIN_TX_SIZE 64
53#define DMA_MAX_TX_SIZE 1024
54#define DMA_DEFAULT_TX_SIZE 512
55#define DMA_MIN_RX_SIZE 64
56#define DMA_MAX_RX_SIZE 1024
57#define DMA_DEFAULT_RX_SIZE 512
58#define STMMAC_GET_ENTRY(x, size) ((x + 1) & (size - 1))
59
60#undef FRAME_FILTER_DEBUG
61/* #define FRAME_FILTER_DEBUG */
62
63struct stmmac_q_tx_stats {
64 u64_stats_t tx_bytes;
65 u64_stats_t tx_set_ic_bit;
66 u64_stats_t tx_tso_frames;
67 u64_stats_t tx_tso_nfrags;
68};
69
70struct stmmac_napi_tx_stats {
71 u64_stats_t tx_packets;
72 u64_stats_t tx_pkt_n;
73 u64_stats_t poll;
74 u64_stats_t tx_clean;
75 u64_stats_t tx_set_ic_bit;
76};
77
78struct stmmac_txq_stats {
79 /* Updates protected by tx queue lock. */
80 struct u64_stats_sync q_syncp;
81 struct stmmac_q_tx_stats q;
82
83 /* Updates protected by NAPI poll logic. */
84 struct u64_stats_sync napi_syncp;
85 struct stmmac_napi_tx_stats napi;
86} ____cacheline_aligned_in_smp;
87
88struct stmmac_napi_rx_stats {
89 u64_stats_t rx_bytes;
90 u64_stats_t rx_packets;
91 u64_stats_t rx_pkt_n;
92 u64_stats_t poll;
93};
94
95struct stmmac_rxq_stats {
96 /* Updates protected by NAPI poll logic. */
97 struct u64_stats_sync napi_syncp;
98 struct stmmac_napi_rx_stats napi;
99} ____cacheline_aligned_in_smp;
100
101/* Updates on each CPU protected by not allowing nested irqs. */
102struct stmmac_pcpu_stats {
103 struct u64_stats_sync syncp;
104 u64_stats_t rx_normal_irq_n[MTL_MAX_RX_QUEUES];
105 u64_stats_t tx_normal_irq_n[MTL_MAX_TX_QUEUES];
106};
107
108/* Extra statistic and debug information exposed by ethtool */
109struct stmmac_extra_stats {
110 /* Transmit errors */
111 unsigned long tx_underflow ____cacheline_aligned;
112 unsigned long tx_carrier;
113 unsigned long tx_losscarrier;
114 unsigned long vlan_tag;
115 unsigned long tx_deferred;
116 unsigned long tx_vlan;
117 unsigned long tx_jabber;
118 unsigned long tx_frame_flushed;
119 unsigned long tx_payload_error;
120 unsigned long tx_ip_header_error;
121 unsigned long tx_collision;
122 /* Receive errors */
123 unsigned long rx_desc;
124 unsigned long sa_filter_fail;
125 unsigned long overflow_error;
126 unsigned long ipc_csum_error;
127 unsigned long rx_collision;
128 unsigned long rx_crc_errors;
129 unsigned long dribbling_bit;
130 unsigned long rx_length;
131 unsigned long rx_mii;
132 unsigned long rx_multicast;
133 unsigned long rx_gmac_overflow;
134 unsigned long rx_watchdog;
135 unsigned long da_rx_filter_fail;
136 unsigned long sa_rx_filter_fail;
137 unsigned long rx_missed_cntr;
138 unsigned long rx_overflow_cntr;
139 unsigned long rx_vlan;
140 unsigned long rx_split_hdr_pkt_n;
141 /* Tx/Rx IRQ error info */
142 unsigned long tx_undeflow_irq;
143 unsigned long tx_process_stopped_irq;
144 unsigned long tx_jabber_irq;
145 unsigned long rx_overflow_irq;
146 unsigned long rx_buf_unav_irq;
147 unsigned long rx_process_stopped_irq;
148 unsigned long rx_watchdog_irq;
149 unsigned long tx_early_irq;
150 unsigned long fatal_bus_error_irq;
151 /* Tx/Rx IRQ Events */
152 unsigned long rx_early_irq;
153 unsigned long threshold;
154 unsigned long irq_receive_pmt_irq_n;
155 /* MMC info */
156 unsigned long mmc_tx_irq_n;
157 unsigned long mmc_rx_irq_n;
158 unsigned long mmc_rx_csum_offload_irq_n;
159 /* EEE */
160 unsigned long irq_tx_path_in_lpi_mode_n;
161 unsigned long irq_tx_path_exit_lpi_mode_n;
162 unsigned long irq_rx_path_in_lpi_mode_n;
163 unsigned long irq_rx_path_exit_lpi_mode_n;
164 unsigned long phy_eee_wakeup_error_n;
165 /* Extended RDES status */
166 unsigned long ip_hdr_err;
167 unsigned long ip_payload_err;
168 unsigned long ip_csum_bypassed;
169 unsigned long ipv4_pkt_rcvd;
170 unsigned long ipv6_pkt_rcvd;
171 unsigned long no_ptp_rx_msg_type_ext;
172 unsigned long ptp_rx_msg_type_sync;
173 unsigned long ptp_rx_msg_type_follow_up;
174 unsigned long ptp_rx_msg_type_delay_req;
175 unsigned long ptp_rx_msg_type_delay_resp;
176 unsigned long ptp_rx_msg_type_pdelay_req;
177 unsigned long ptp_rx_msg_type_pdelay_resp;
178 unsigned long ptp_rx_msg_type_pdelay_follow_up;
179 unsigned long ptp_rx_msg_type_announce;
180 unsigned long ptp_rx_msg_type_management;
181 unsigned long ptp_rx_msg_pkt_reserved_type;
182 unsigned long ptp_frame_type;
183 unsigned long ptp_ver;
184 unsigned long timestamp_dropped;
185 unsigned long av_pkt_rcvd;
186 unsigned long av_tagged_pkt_rcvd;
187 unsigned long vlan_tag_priority_val;
188 unsigned long l3_filter_match;
189 unsigned long l4_filter_match;
190 unsigned long l3_l4_filter_no_match;
191 /* PCS */
192 unsigned long irq_pcs_ane_n;
193 unsigned long irq_pcs_link_n;
194 unsigned long irq_rgmii_n;
195 unsigned long pcs_link;
196 unsigned long pcs_duplex;
197 unsigned long pcs_speed;
198 /* debug register */
199 unsigned long mtl_tx_status_fifo_full;
200 unsigned long mtl_tx_fifo_not_empty;
201 unsigned long mmtl_fifo_ctrl;
202 unsigned long mtl_tx_fifo_read_ctrl_write;
203 unsigned long mtl_tx_fifo_read_ctrl_wait;
204 unsigned long mtl_tx_fifo_read_ctrl_read;
205 unsigned long mtl_tx_fifo_read_ctrl_idle;
206 unsigned long mac_tx_in_pause;
207 unsigned long mac_tx_frame_ctrl_xfer;
208 unsigned long mac_tx_frame_ctrl_idle;
209 unsigned long mac_tx_frame_ctrl_wait;
210 unsigned long mac_tx_frame_ctrl_pause;
211 unsigned long mac_gmii_tx_proto_engine;
212 unsigned long mtl_rx_fifo_fill_level_full;
213 unsigned long mtl_rx_fifo_fill_above_thresh;
214 unsigned long mtl_rx_fifo_fill_below_thresh;
215 unsigned long mtl_rx_fifo_fill_level_empty;
216 unsigned long mtl_rx_fifo_read_ctrl_flush;
217 unsigned long mtl_rx_fifo_read_ctrl_read_data;
218 unsigned long mtl_rx_fifo_read_ctrl_status;
219 unsigned long mtl_rx_fifo_read_ctrl_idle;
220 unsigned long mtl_rx_fifo_ctrl_active;
221 unsigned long mac_rx_frame_ctrl_fifo;
222 unsigned long mac_gmii_rx_proto_engine;
223 /* EST */
224 unsigned long mtl_est_cgce;
225 unsigned long mtl_est_hlbs;
226 unsigned long mtl_est_hlbf;
227 unsigned long mtl_est_btre;
228 unsigned long mtl_est_btrlm;
229 unsigned long max_sdu_txq_drop[MTL_MAX_TX_QUEUES];
230 unsigned long mtl_est_txq_hlbf[MTL_MAX_TX_QUEUES];
231 /* per queue statistics */
232 struct stmmac_txq_stats txq_stats[MTL_MAX_TX_QUEUES];
233 struct stmmac_rxq_stats rxq_stats[MTL_MAX_RX_QUEUES];
234 struct stmmac_pcpu_stats __percpu *pcpu_stats;
235 unsigned long rx_dropped;
236 unsigned long rx_errors;
237 unsigned long tx_dropped;
238 unsigned long tx_errors;
239};
240
241/* Safety Feature statistics exposed by ethtool */
242struct stmmac_safety_stats {
243 unsigned long mac_errors[32];
244 unsigned long mtl_errors[32];
245 unsigned long dma_errors[32];
246 unsigned long dma_dpp_errors[32];
247};
248
249/* Number of fields in Safety Stats */
250#define STMMAC_SAFETY_FEAT_SIZE \
251 (sizeof(struct stmmac_safety_stats) / sizeof(unsigned long))
252
253/* CSR Frequency Access Defines*/
254#define CSR_F_35M 35000000
255#define CSR_F_60M 60000000
256#define CSR_F_100M 100000000
257#define CSR_F_150M 150000000
258#define CSR_F_250M 250000000
259#define CSR_F_300M 300000000
260#define CSR_F_500M 500000000
261#define CSR_F_800M 800000000
262
263#define MAC_CSR_H_FRQ_MASK 0x20
264
265#define HASH_TABLE_SIZE 64
266#define PAUSE_TIME 0xffff
267
268/* Flow Control defines */
269#define FLOW_OFF 0
270#define FLOW_RX 1
271#define FLOW_TX 2
272#define FLOW_AUTO (FLOW_TX | FLOW_RX)
273
274/* PCS defines */
275#define STMMAC_PCS_RGMII (1 << 0)
276#define STMMAC_PCS_SGMII (1 << 1)
277
278#define SF_DMA_MODE 1 /* DMA STORE-AND-FORWARD Operation Mode */
279
280/* DMA HW feature register fields */
281#define DMA_HW_FEAT_MIISEL 0x00000001 /* 10/100 Mbps Support */
282#define DMA_HW_FEAT_GMIISEL 0x00000002 /* 1000 Mbps Support */
283#define DMA_HW_FEAT_HDSEL 0x00000004 /* Half-Duplex Support */
284#define DMA_HW_FEAT_EXTHASHEN 0x00000008 /* Expanded DA Hash Filter */
285#define DMA_HW_FEAT_HASHSEL 0x00000010 /* HASH Filter */
286#define DMA_HW_FEAT_ADDMAC 0x00000020 /* Multiple MAC Addr Reg */
287#define DMA_HW_FEAT_PCSSEL 0x00000040 /* PCS registers */
288#define DMA_HW_FEAT_L3L4FLTREN 0x00000080 /* Layer 3 & Layer 4 Feature */
289#define DMA_HW_FEAT_SMASEL 0x00000100 /* SMA(MDIO) Interface */
290#define DMA_HW_FEAT_RWKSEL 0x00000200 /* PMT Remote Wakeup */
291#define DMA_HW_FEAT_MGKSEL 0x00000400 /* PMT Magic Packet */
292#define DMA_HW_FEAT_MMCSEL 0x00000800 /* RMON Module */
293#define DMA_HW_FEAT_TSVER1SEL 0x00001000 /* Only IEEE 1588-2002 */
294#define DMA_HW_FEAT_TSVER2SEL 0x00002000 /* IEEE 1588-2008 PTPv2 */
295#define DMA_HW_FEAT_EEESEL 0x00004000 /* Energy Efficient Ethernet */
296#define DMA_HW_FEAT_AVSEL 0x00008000 /* AV Feature */
297#define DMA_HW_FEAT_TXCOESEL 0x00010000 /* Checksum Offload in Tx */
298#define DMA_HW_FEAT_RXTYP1COE 0x00020000 /* IP COE (Type 1) in Rx */
299#define DMA_HW_FEAT_RXTYP2COE 0x00040000 /* IP COE (Type 2) in Rx */
300#define DMA_HW_FEAT_RXFIFOSIZE 0x00080000 /* Rx FIFO > 2048 Bytes */
301#define DMA_HW_FEAT_RXCHCNT 0x00300000 /* No. additional Rx Channels */
302#define DMA_HW_FEAT_TXCHCNT 0x00c00000 /* No. additional Tx Channels */
303#define DMA_HW_FEAT_ENHDESSEL 0x01000000 /* Alternate Descriptor */
304/* Timestamping with Internal System Time */
305#define DMA_HW_FEAT_INTTSEN 0x02000000
306#define DMA_HW_FEAT_FLEXIPPSEN 0x04000000 /* Flexible PPS Output */
307#define DMA_HW_FEAT_SAVLANINS 0x08000000 /* Source Addr or VLAN */
308#define DMA_HW_FEAT_ACTPHYIF 0x70000000 /* Active/selected PHY iface */
309#define DEFAULT_DMA_PBL 8
310
311/* MSI defines */
312#define STMMAC_MSI_VEC_MAX 32
313
314/* PCS status and mask defines */
315#define PCS_ANE_IRQ BIT(2) /* PCS Auto-Negotiation */
316#define PCS_LINK_IRQ BIT(1) /* PCS Link */
317#define PCS_RGSMIIIS_IRQ BIT(0) /* RGMII or SMII Interrupt */
318
319/* Max/Min RI Watchdog Timer count value */
320#define MAX_DMA_RIWT 0xff
321#define MIN_DMA_RIWT 0x10
322#define DEF_DMA_RIWT 0xa0
323/* Tx coalesce parameters */
324#define STMMAC_COAL_TX_TIMER 5000
325#define STMMAC_MAX_COAL_TX_TICK 100000
326#define STMMAC_TX_MAX_FRAMES 256
327#define STMMAC_TX_FRAMES 25
328#define STMMAC_RX_FRAMES 0
329
330/* Packets types */
331enum packets_types {
332 PACKET_AVCPQ = 0x1, /* AV Untagged Control packets */
333 PACKET_PTPQ = 0x2, /* PTP Packets */
334 PACKET_DCBCPQ = 0x3, /* DCB Control Packets */
335 PACKET_UPQ = 0x4, /* Untagged Packets */
336 PACKET_MCBCQ = 0x5, /* Multicast & Broadcast Packets */
337};
338
339/* Rx IPC status */
340enum rx_frame_status {
341 good_frame = 0x0,
342 discard_frame = 0x1,
343 csum_none = 0x2,
344 llc_snap = 0x4,
345 dma_own = 0x8,
346 rx_not_ls = 0x10,
347};
348
349/* Tx status */
350enum tx_frame_status {
351 tx_done = 0x0,
352 tx_not_ls = 0x1,
353 tx_err = 0x2,
354 tx_dma_own = 0x4,
355 tx_err_bump_tc = 0x8,
356};
357
358enum dma_irq_status {
359 tx_hard_error = 0x1,
360 tx_hard_error_bump_tc = 0x2,
361 handle_rx = 0x4,
362 handle_tx = 0x8,
363};
364
365enum dma_irq_dir {
366 DMA_DIR_RX = 0x1,
367 DMA_DIR_TX = 0x2,
368 DMA_DIR_RXTX = 0x3,
369};
370
371enum request_irq_err {
372 REQ_IRQ_ERR_ALL,
373 REQ_IRQ_ERR_TX,
374 REQ_IRQ_ERR_RX,
375 REQ_IRQ_ERR_SFTY,
376 REQ_IRQ_ERR_SFTY_UE,
377 REQ_IRQ_ERR_SFTY_CE,
378 REQ_IRQ_ERR_LPI,
379 REQ_IRQ_ERR_WOL,
380 REQ_IRQ_ERR_MAC,
381 REQ_IRQ_ERR_NO,
382};
383
384/* EEE and LPI defines */
385#define CORE_IRQ_TX_PATH_IN_LPI_MODE (1 << 0)
386#define CORE_IRQ_TX_PATH_EXIT_LPI_MODE (1 << 1)
387#define CORE_IRQ_RX_PATH_IN_LPI_MODE (1 << 2)
388#define CORE_IRQ_RX_PATH_EXIT_LPI_MODE (1 << 3)
389
390/* FPE defines */
391#define FPE_EVENT_UNKNOWN 0
392#define FPE_EVENT_TRSP BIT(0)
393#define FPE_EVENT_TVER BIT(1)
394#define FPE_EVENT_RRSP BIT(2)
395#define FPE_EVENT_RVER BIT(3)
396
397#define CORE_IRQ_MTL_RX_OVERFLOW BIT(8)
398
399/* Physical Coding Sublayer */
400struct rgmii_adv {
401 unsigned int pause;
402 unsigned int duplex;
403 unsigned int lp_pause;
404 unsigned int lp_duplex;
405};
406
407#define STMMAC_PCS_PAUSE 1
408#define STMMAC_PCS_ASYM_PAUSE 2
409
410/* DMA HW capabilities */
411struct dma_features {
412 unsigned int mbps_10_100;
413 unsigned int mbps_1000;
414 unsigned int half_duplex;
415 unsigned int hash_filter;
416 unsigned int multi_addr;
417 unsigned int pcs;
418 unsigned int sma_mdio;
419 unsigned int pmt_remote_wake_up;
420 unsigned int pmt_magic_frame;
421 unsigned int rmon;
422 /* IEEE 1588-2002 */
423 unsigned int time_stamp;
424 /* IEEE 1588-2008 */
425 unsigned int atime_stamp;
426 /* 802.3az - Energy-Efficient Ethernet (EEE) */
427 unsigned int eee;
428 unsigned int av;
429 unsigned int hash_tb_sz;
430 unsigned int tsoen;
431 /* TX and RX csum */
432 unsigned int tx_coe;
433 unsigned int rx_coe;
434 unsigned int rx_coe_type1;
435 unsigned int rx_coe_type2;
436 unsigned int rxfifo_over_2048;
437 /* TX and RX number of channels */
438 unsigned int number_rx_channel;
439 unsigned int number_tx_channel;
440 /* TX and RX number of queues */
441 unsigned int number_rx_queues;
442 unsigned int number_tx_queues;
443 /* PPS output */
444 unsigned int pps_out_num;
445 /* Number of Traffic Classes */
446 unsigned int numtc;
447 /* DCB Feature Enable */
448 unsigned int dcben;
449 /* IEEE 1588 High Word Register Enable */
450 unsigned int advthword;
451 /* PTP Offload Enable */
452 unsigned int ptoen;
453 /* One-Step Timestamping Enable */
454 unsigned int osten;
455 /* Priority-Based Flow Control Enable */
456 unsigned int pfcen;
457 /* Alternate (enhanced) DESC mode */
458 unsigned int enh_desc;
459 /* TX and RX FIFO sizes */
460 unsigned int tx_fifo_size;
461 unsigned int rx_fifo_size;
462 /* Automotive Safety Package */
463 unsigned int asp;
464 /* RX Parser */
465 unsigned int frpsel;
466 unsigned int frpbs;
467 unsigned int frpes;
468 unsigned int addr64;
469 unsigned int host_dma_width;
470 unsigned int rssen;
471 unsigned int vlhash;
472 unsigned int sphen;
473 unsigned int vlins;
474 unsigned int dvlan;
475 unsigned int l3l4fnum;
476 unsigned int arpoffsel;
477 /* One Step for PTP over UDP/IP Feature Enable */
478 unsigned int pou_ost_en;
479 /* Tx Timestamp FIFO Depth */
480 unsigned int ttsfd;
481 /* Queue/Channel-Based VLAN tag insertion on Tx */
482 unsigned int cbtisel;
483 /* Supported Parallel Instruction Processor Engines */
484 unsigned int frppipe_num;
485 /* Number of Extended VLAN Tag Filters */
486 unsigned int nrvf_num;
487 /* TSN Features */
488 unsigned int estwid;
489 unsigned int estdep;
490 unsigned int estsel;
491 unsigned int fpesel;
492 unsigned int tbssel;
493 /* Number of DMA channels enabled for TBS */
494 unsigned int tbs_ch_num;
495 /* Per-Stream Filtering Enable */
496 unsigned int sgfsel;
497 /* Numbers of Auxiliary Snapshot Inputs */
498 unsigned int aux_snapshot_n;
499 /* Timestamp System Time Source */
500 unsigned int tssrc;
501 /* Enhanced DMA Enable */
502 unsigned int edma;
503 /* Different Descriptor Cache Enable */
504 unsigned int ediffc;
505 /* VxLAN/NVGRE Enable */
506 unsigned int vxn;
507 /* Debug Memory Interface Enable */
508 unsigned int dbgmem;
509 /* Number of Policing Counters */
510 unsigned int pcsel;
511};
512
513/* RX Buffer size must be multiple of 4/8/16 bytes */
514#define BUF_SIZE_16KiB 16368
515#define BUF_SIZE_8KiB 8188
516#define BUF_SIZE_4KiB 4096
517#define BUF_SIZE_2KiB 2048
518
519/* Power Down and WOL */
520#define PMT_NOT_SUPPORTED 0
521#define PMT_SUPPORTED 1
522
523/* Common MAC defines */
524#define MAC_CTRL_REG 0x00000000 /* MAC Control */
525#define MAC_ENABLE_TX 0x00000008 /* Transmitter Enable */
526#define MAC_ENABLE_RX 0x00000004 /* Receiver Enable */
527
528/* Default LPI timers */
529#define STMMAC_DEFAULT_LIT_LS 0x3E8
530#define STMMAC_DEFAULT_TWT_LS 0x1E
531#define STMMAC_ET_MAX 0xFFFFF
532
533/* Common LPI register bits */
534#define LPI_CTRL_STATUS_LPITCSE BIT(21) /* LPI Tx Clock Stop Enable, gmac4, xgmac2 only */
535#define LPI_CTRL_STATUS_LPIATE BIT(20) /* LPI Timer Enable, gmac4 only */
536#define LPI_CTRL_STATUS_LPITXA BIT(19) /* Enable LPI TX Automate */
537#define LPI_CTRL_STATUS_PLSEN BIT(18) /* Enable PHY Link Status */
538#define LPI_CTRL_STATUS_PLS BIT(17) /* PHY Link Status */
539#define LPI_CTRL_STATUS_LPIEN BIT(16) /* LPI Enable */
540#define LPI_CTRL_STATUS_RLPIST BIT(9) /* Receive LPI state, gmac1000 only? */
541#define LPI_CTRL_STATUS_TLPIST BIT(8) /* Transmit LPI state, gmac1000 only? */
542#define LPI_CTRL_STATUS_RLPIEX BIT(3) /* Receive LPI Exit */
543#define LPI_CTRL_STATUS_RLPIEN BIT(2) /* Receive LPI Entry */
544#define LPI_CTRL_STATUS_TLPIEX BIT(1) /* Transmit LPI Exit */
545#define LPI_CTRL_STATUS_TLPIEN BIT(0) /* Transmit LPI Entry */
546
547#define STMMAC_CHAIN_MODE 0x1
548#define STMMAC_RING_MODE 0x2
549
550#define JUMBO_LEN 9000
551
552/* Receive Side Scaling */
553#define STMMAC_RSS_HASH_KEY_SIZE 40
554#define STMMAC_RSS_MAX_TABLE_SIZE 256
555
556/* VLAN */
557#define STMMAC_VLAN_NONE 0x0
558#define STMMAC_VLAN_REMOVE 0x1
559#define STMMAC_VLAN_INSERT 0x2
560#define STMMAC_VLAN_REPLACE 0x3
561
562struct mac_device_info;
563
564struct mac_link {
565 u32 caps;
566 u32 speed_mask;
567 u32 speed10;
568 u32 speed100;
569 u32 speed1000;
570 u32 speed2500;
571 u32 duplex;
572 struct {
573 u32 speed2500;
574 u32 speed5000;
575 u32 speed10000;
576 } xgmii;
577 struct {
578 u32 speed25000;
579 u32 speed40000;
580 u32 speed50000;
581 u32 speed100000;
582 } xlgmii;
583};
584
585struct mii_regs {
586 unsigned int addr; /* MII Address */
587 unsigned int data; /* MII Data */
588 unsigned int addr_shift; /* MII address shift */
589 unsigned int reg_shift; /* MII reg shift */
590 unsigned int addr_mask; /* MII address mask */
591 unsigned int reg_mask; /* MII reg mask */
592 unsigned int clk_csr_shift;
593 unsigned int clk_csr_mask;
594};
595
596struct mac_device_info {
597 const struct stmmac_ops *mac;
598 const struct stmmac_desc_ops *desc;
599 const struct stmmac_dma_ops *dma;
600 const struct stmmac_mode_ops *mode;
601 const struct stmmac_hwtimestamp *ptp;
602 const struct stmmac_tc_ops *tc;
603 const struct stmmac_mmc_ops *mmc;
604 const struct stmmac_est_ops *est;
605 const struct stmmac_vlan_ops *vlan;
606 struct dw_xpcs *xpcs;
607 struct phylink_pcs *phylink_pcs;
608 struct mii_regs mii; /* MII register Addresses */
609 struct mac_link link;
610 void __iomem *pcsr; /* vpointer to device CSRs */
611 unsigned int multicast_filter_bins;
612 unsigned int unicast_filter_entries;
613 unsigned int mcast_bits_log2;
614 unsigned int rx_csum;
615 unsigned int pcs;
616 unsigned int pmt;
617 unsigned int ps;
618 unsigned int xlgmac;
619 unsigned int num_vlan;
620 u32 vlan_filter[32];
621 bool vlan_fail_q_en;
622 u8 vlan_fail_q;
623 bool hw_vlan_en;
624};
625
626struct stmmac_rx_routing {
627 u32 reg_mask;
628 u32 reg_shift;
629};
630
631int dwmac100_setup(struct stmmac_priv *priv);
632int dwmac1000_setup(struct stmmac_priv *priv);
633int dwmac4_setup(struct stmmac_priv *priv);
634int dwxgmac2_setup(struct stmmac_priv *priv);
635int dwxlgmac2_setup(struct stmmac_priv *priv);
636
637void stmmac_set_mac_addr(void __iomem *ioaddr, const u8 addr[6],
638 unsigned int high, unsigned int low);
639void stmmac_get_mac_addr(void __iomem *ioaddr, unsigned char *addr,
640 unsigned int high, unsigned int low);
641void stmmac_set_mac(void __iomem *ioaddr, bool enable);
642
643void stmmac_dwmac4_set_mac_addr(void __iomem *ioaddr, const u8 addr[6],
644 unsigned int high, unsigned int low);
645void stmmac_dwmac4_get_mac_addr(void __iomem *ioaddr, unsigned char *addr,
646 unsigned int high, unsigned int low);
647void stmmac_dwmac4_set_mac(void __iomem *ioaddr, bool enable);
648
649void dwmac_dma_flush_tx_fifo(void __iomem *ioaddr);
650
651#endif /* __COMMON_H__ */
Linux 6.x block layer and io_uring tree(s)