net: hns3: Add support of hardware rx-vlan-offload to HNS3 VF driver
[linux-block.git] / drivers / net / ethernet / stmicro / stmmac / common.h
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1/*******************************************************************************
2 STMMAC Common Header File
3
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
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15 The full GNU General Public License is included in this distribution in
16 the file called "COPYING".
17
18 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
19*******************************************************************************/
20
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21#ifndef __COMMON_H__
22#define __COMMON_H__
23
bfab27a1 24#include <linux/etherdevice.h>
5e33c791 25#include <linux/netdevice.h>
afea0365 26#include <linux/stmmac.h>
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27#include <linux/phy.h>
28#include <linux/module.h>
12c70f30 29#if IS_ENABLED(CONFIG_VLAN_8021Q)
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30#define STMMAC_VLAN_TAG_USED
31#include <linux/if_vlan.h>
32#endif
33
56b106ae 34#include "descs.h"
42de047d 35#include "hwif.h"
1c901a46 36#include "mmc.h"
56b106ae 37
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38/* Synopsys Core versions */
39#define DWMAC_CORE_3_40 0x34
40#define DWMAC_CORE_3_50 0x35
48863ce5 41#define DWMAC_CORE_4_00 0x40
5f0456b4 42#define DWMAC_CORE_4_10 0x41
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43#define DWMAC_CORE_5_00 0x50
44#define DWMAC_CORE_5_10 0x51
48863ce5 45#define STMMAC_CHAN0 0 /* Always supported and default for all chips */
62a2ab93 46
22d3efe5 47/* These need to be power of two, and >= 4 */
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48#define DMA_TX_SIZE 512
49#define DMA_RX_SIZE 512
50#define STMMAC_GET_ENTRY(x, size) ((x + 1) & (size - 1))
51
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52#undef FRAME_FILTER_DEBUG
53/* #define FRAME_FILTER_DEBUG */
47dd7a54 54
915c199f 55/* Extra statistic and debug information exposed by ethtool */
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56struct stmmac_extra_stats {
57 /* Transmit errors */
58 unsigned long tx_underflow ____cacheline_aligned;
59 unsigned long tx_carrier;
60 unsigned long tx_losscarrier;
3c20f72f 61 unsigned long vlan_tag;
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62 unsigned long tx_deferred;
63 unsigned long tx_vlan;
64 unsigned long tx_jabber;
65 unsigned long tx_frame_flushed;
66 unsigned long tx_payload_error;
67 unsigned long tx_ip_header_error;
68 /* Receive errors */
69 unsigned long rx_desc;
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70 unsigned long sa_filter_fail;
71 unsigned long overflow_error;
72 unsigned long ipc_csum_error;
47dd7a54 73 unsigned long rx_collision;
e0a76606 74 unsigned long rx_crc_errors;
1cc5a735 75 unsigned long dribbling_bit;
1b924032 76 unsigned long rx_length;
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77 unsigned long rx_mii;
78 unsigned long rx_multicast;
79 unsigned long rx_gmac_overflow;
80 unsigned long rx_watchdog;
81 unsigned long da_rx_filter_fail;
82 unsigned long sa_rx_filter_fail;
83 unsigned long rx_missed_cntr;
84 unsigned long rx_overflow_cntr;
85 unsigned long rx_vlan;
62a2ab93 86 /* Tx/Rx IRQ error info */
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87 unsigned long tx_undeflow_irq;
88 unsigned long tx_process_stopped_irq;
89 unsigned long tx_jabber_irq;
90 unsigned long rx_overflow_irq;
91 unsigned long rx_buf_unav_irq;
92 unsigned long rx_process_stopped_irq;
93 unsigned long rx_watchdog_irq;
94 unsigned long tx_early_irq;
95 unsigned long fatal_bus_error_irq;
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96 /* Tx/Rx IRQ Events */
97 unsigned long rx_early_irq;
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98 unsigned long threshold;
99 unsigned long tx_pkt_n;
100 unsigned long rx_pkt_n;
47dd7a54 101 unsigned long normal_irq_n;
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102 unsigned long rx_normal_irq_n;
103 unsigned long napi_poll;
104 unsigned long tx_normal_irq_n;
105 unsigned long tx_clean;
0e80bdc9 106 unsigned long tx_set_ic_bit;
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107 unsigned long irq_receive_pmt_irq_n;
108 /* MMC info */
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109 unsigned long mmc_tx_irq_n;
110 unsigned long mmc_rx_irq_n;
111 unsigned long mmc_rx_csum_offload_irq_n;
112 /* EEE */
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113 unsigned long irq_tx_path_in_lpi_mode_n;
114 unsigned long irq_tx_path_exit_lpi_mode_n;
115 unsigned long irq_rx_path_in_lpi_mode_n;
116 unsigned long irq_rx_path_exit_lpi_mode_n;
117 unsigned long phy_eee_wakeup_error_n;
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118 /* Extended RDES status */
119 unsigned long ip_hdr_err;
120 unsigned long ip_payload_err;
121 unsigned long ip_csum_bypassed;
122 unsigned long ipv4_pkt_rcvd;
123 unsigned long ipv6_pkt_rcvd;
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124 unsigned long no_ptp_rx_msg_type_ext;
125 unsigned long ptp_rx_msg_type_sync;
126 unsigned long ptp_rx_msg_type_follow_up;
127 unsigned long ptp_rx_msg_type_delay_req;
128 unsigned long ptp_rx_msg_type_delay_resp;
129 unsigned long ptp_rx_msg_type_pdelay_req;
130 unsigned long ptp_rx_msg_type_pdelay_resp;
131 unsigned long ptp_rx_msg_type_pdelay_follow_up;
132 unsigned long ptp_rx_msg_type_announce;
133 unsigned long ptp_rx_msg_type_management;
134 unsigned long ptp_rx_msg_pkt_reserved_type;
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135 unsigned long ptp_frame_type;
136 unsigned long ptp_ver;
137 unsigned long timestamp_dropped;
138 unsigned long av_pkt_rcvd;
139 unsigned long av_tagged_pkt_rcvd;
140 unsigned long vlan_tag_priority_val;
141 unsigned long l3_filter_match;
142 unsigned long l4_filter_match;
143 unsigned long l3_l4_filter_no_match;
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144 /* PCS */
145 unsigned long irq_pcs_ane_n;
146 unsigned long irq_pcs_link_n;
147 unsigned long irq_rgmii_n;
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148 unsigned long pcs_link;
149 unsigned long pcs_duplex;
150 unsigned long pcs_speed;
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151 /* debug register */
152 unsigned long mtl_tx_status_fifo_full;
153 unsigned long mtl_tx_fifo_not_empty;
154 unsigned long mmtl_fifo_ctrl;
155 unsigned long mtl_tx_fifo_read_ctrl_write;
156 unsigned long mtl_tx_fifo_read_ctrl_wait;
157 unsigned long mtl_tx_fifo_read_ctrl_read;
158 unsigned long mtl_tx_fifo_read_ctrl_idle;
159 unsigned long mac_tx_in_pause;
160 unsigned long mac_tx_frame_ctrl_xfer;
161 unsigned long mac_tx_frame_ctrl_idle;
162 unsigned long mac_tx_frame_ctrl_wait;
163 unsigned long mac_tx_frame_ctrl_pause;
164 unsigned long mac_gmii_tx_proto_engine;
165 unsigned long mtl_rx_fifo_fill_level_full;
166 unsigned long mtl_rx_fifo_fill_above_thresh;
167 unsigned long mtl_rx_fifo_fill_below_thresh;
168 unsigned long mtl_rx_fifo_fill_level_empty;
169 unsigned long mtl_rx_fifo_read_ctrl_flush;
170 unsigned long mtl_rx_fifo_read_ctrl_read_data;
171 unsigned long mtl_rx_fifo_read_ctrl_status;
172 unsigned long mtl_rx_fifo_read_ctrl_idle;
173 unsigned long mtl_rx_fifo_ctrl_active;
174 unsigned long mac_rx_frame_ctrl_fifo;
175 unsigned long mac_gmii_rx_proto_engine;
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176 /* TSO */
177 unsigned long tx_tso_frames;
178 unsigned long tx_tso_nfrags;
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179};
180
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181/* Safety Feature statistics exposed by ethtool */
182struct stmmac_safety_stats {
183 unsigned long mac_errors[32];
184 unsigned long mtl_errors[32];
185 unsigned long dma_errors[32];
186};
187
188/* Number of fields in Safety Stats */
189#define STMMAC_SAFETY_FEAT_SIZE \
190 (sizeof(struct stmmac_safety_stats) / sizeof(unsigned long))
191
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192/* CSR Frequency Access Defines*/
193#define CSR_F_35M 35000000
194#define CSR_F_60M 60000000
195#define CSR_F_100M 100000000
196#define CSR_F_150M 150000000
197#define CSR_F_250M 250000000
198#define CSR_F_300M 300000000
199
200#define MAC_CSR_H_FRQ_MASK 0x20
201
aec7ff27 202#define HASH_TABLE_SIZE 64
f88203a2 203#define PAUSE_TIME 0xffff
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204
205/* Flow Control defines */
206#define FLOW_OFF 0
207#define FLOW_RX 1
208#define FLOW_TX 2
209#define FLOW_AUTO (FLOW_TX | FLOW_RX)
210
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211/* PCS defines */
212#define STMMAC_PCS_RGMII (1 << 0)
213#define STMMAC_PCS_SGMII (1 << 1)
214#define STMMAC_PCS_TBI (1 << 2)
215#define STMMAC_PCS_RTBI (1 << 3)
216
ceb69499 217#define SF_DMA_MODE 1 /* DMA STORE-AND-FORWARD Operation Mode */
aec7ff27 218
1db123fb 219/* DAM HW feature register fields */
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220#define DMA_HW_FEAT_MIISEL 0x00000001 /* 10/100 Mbps Support */
221#define DMA_HW_FEAT_GMIISEL 0x00000002 /* 1000 Mbps Support */
222#define DMA_HW_FEAT_HDSEL 0x00000004 /* Half-Duplex Support */
223#define DMA_HW_FEAT_EXTHASHEN 0x00000008 /* Expanded DA Hash Filter */
224#define DMA_HW_FEAT_HASHSEL 0x00000010 /* HASH Filter */
225#define DMA_HW_FEAT_ADDMAC 0x00000020 /* Multiple MAC Addr Reg */
226#define DMA_HW_FEAT_PCSSEL 0x00000040 /* PCS registers */
227#define DMA_HW_FEAT_L3L4FLTREN 0x00000080 /* Layer 3 & Layer 4 Feature */
228#define DMA_HW_FEAT_SMASEL 0x00000100 /* SMA(MDIO) Interface */
229#define DMA_HW_FEAT_RWKSEL 0x00000200 /* PMT Remote Wakeup */
230#define DMA_HW_FEAT_MGKSEL 0x00000400 /* PMT Magic Packet */
231#define DMA_HW_FEAT_MMCSEL 0x00000800 /* RMON Module */
232#define DMA_HW_FEAT_TSVER1SEL 0x00001000 /* Only IEEE 1588-2002 */
233#define DMA_HW_FEAT_TSVER2SEL 0x00002000 /* IEEE 1588-2008 PTPv2 */
234#define DMA_HW_FEAT_EEESEL 0x00004000 /* Energy Efficient Ethernet */
235#define DMA_HW_FEAT_AVSEL 0x00008000 /* AV Feature */
236#define DMA_HW_FEAT_TXCOESEL 0x00010000 /* Checksum Offload in Tx */
237#define DMA_HW_FEAT_RXTYP1COE 0x00020000 /* IP COE (Type 1) in Rx */
238#define DMA_HW_FEAT_RXTYP2COE 0x00040000 /* IP COE (Type 2) in Rx */
239#define DMA_HW_FEAT_RXFIFOSIZE 0x00080000 /* Rx FIFO > 2048 Bytes */
240#define DMA_HW_FEAT_RXCHCNT 0x00300000 /* No. additional Rx Channels */
241#define DMA_HW_FEAT_TXCHCNT 0x00c00000 /* No. additional Tx Channels */
242#define DMA_HW_FEAT_ENHDESSEL 0x01000000 /* Alternate Descriptor */
243/* Timestamping with Internal System Time */
244#define DMA_HW_FEAT_INTTSEN 0x02000000
245#define DMA_HW_FEAT_FLEXIPPSEN 0x04000000 /* Flexible PPS Output */
246#define DMA_HW_FEAT_SAVLANINS 0x08000000 /* Source Addr or VLAN */
247#define DMA_HW_FEAT_ACTPHYIF 0x70000000 /* Active/selected PHY iface */
0f1f88a8 248#define DEFAULT_DMA_PBL 8
1db123fb 249
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250/* PCS status and mask defines */
251#define PCS_ANE_IRQ BIT(2) /* PCS Auto-Negotiation */
252#define PCS_LINK_IRQ BIT(1) /* PCS Link */
253#define PCS_RGSMIIIS_IRQ BIT(0) /* RGMII or SMII Interrupt */
254
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255/* Max/Min RI Watchdog Timer count value */
256#define MAX_DMA_RIWT 0xff
257#define MIN_DMA_RIWT 0x20
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258/* Tx coalesce parameters */
259#define STMMAC_COAL_TX_TIMER 40000
260#define STMMAC_MAX_COAL_TX_TICK 100000
261#define STMMAC_TX_MAX_FRAMES 256
262#define STMMAC_TX_FRAMES 64
263
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264/* Packets types */
265enum packets_types {
266 PACKET_AVCPQ = 0x1, /* AV Untagged Control packets */
267 PACKET_PTPQ = 0x2, /* PTP Packets */
268 PACKET_DCBCPQ = 0x3, /* DCB Control Packets */
269 PACKET_UPQ = 0x4, /* Untagged Packets */
270 PACKET_MCBCQ = 0x5, /* Multicast & Broadcast Packets */
271};
272
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273/* Rx IPC status */
274enum rx_frame_status {
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275 good_frame = 0x0,
276 discard_frame = 0x1,
277 csum_none = 0x2,
278 llc_snap = 0x4,
279 dma_own = 0x8,
753a7109 280 rx_not_ls = 0x10,
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281};
282
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283/* Tx status */
284enum tx_frame_status {
285 tx_done = 0x0,
286 tx_not_ls = 0x1,
287 tx_err = 0x2,
288 tx_dma_own = 0x4,
289};
290
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291enum dma_irq_status {
292 tx_hard_error = 0x1,
293 tx_hard_error_bump_tc = 0x2,
294 handle_rx = 0x4,
295 handle_tx = 0x8,
aec7ff27 296};
47dd7a54 297
915c199f 298/* EEE and LPI defines */
162fb1d6 299#define CORE_IRQ_TX_PATH_IN_LPI_MODE (1 << 0)
300#define CORE_IRQ_TX_PATH_EXIT_LPI_MODE (1 << 1)
301#define CORE_IRQ_RX_PATH_IN_LPI_MODE (1 << 2)
302#define CORE_IRQ_RX_PATH_EXIT_LPI_MODE (1 << 3)
0982a0f6 303
48863ce5 304#define CORE_IRQ_MTL_RX_OVERFLOW BIT(8)
d765955d 305
915c199f 306/* Physical Coding Sublayer */
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307struct rgmii_adv {
308 unsigned int pause;
309 unsigned int duplex;
310 unsigned int lp_pause;
311 unsigned int lp_duplex;
312};
313
314#define STMMAC_PCS_PAUSE 1
315#define STMMAC_PCS_ASYM_PAUSE 2
316
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317/* DMA HW capabilities */
318struct dma_features {
319 unsigned int mbps_10_100;
320 unsigned int mbps_1000;
321 unsigned int half_duplex;
322 unsigned int hash_filter;
323 unsigned int multi_addr;
324 unsigned int pcs;
325 unsigned int sma_mdio;
326 unsigned int pmt_remote_wake_up;
327 unsigned int pmt_magic_frame;
328 unsigned int rmon;
ceb69499 329 /* IEEE 1588-2002 */
e7434821 330 unsigned int time_stamp;
ceb69499 331 /* IEEE 1588-2008 */
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332 unsigned int atime_stamp;
333 /* 802.3az - Energy-Efficient Ethernet (EEE) */
334 unsigned int eee;
335 unsigned int av;
48863ce5 336 unsigned int tsoen;
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337 /* TX and RX csum */
338 unsigned int tx_coe;
48863ce5 339 unsigned int rx_coe;
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340 unsigned int rx_coe_type1;
341 unsigned int rx_coe_type2;
342 unsigned int rxfifo_over_2048;
343 /* TX and RX number of channels */
344 unsigned int number_rx_channel;
345 unsigned int number_tx_channel;
9eb12474 346 /* TX and RX number of queues */
347 unsigned int number_rx_queues;
348 unsigned int number_tx_queues;
ceb69499 349 /* Alternate (enhanced) DESC mode */
e7434821 350 unsigned int enh_desc;
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351 /* TX and RX FIFO sizes */
352 unsigned int tx_fifo_size;
353 unsigned int rx_fifo_size;
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354 /* Automotive Safety Package */
355 unsigned int asp;
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356};
357
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358/* GMAC TX FIFO is 8K, Rx FIFO is 16K */
359#define BUF_SIZE_16KiB 16384
360#define BUF_SIZE_8KiB 8192
361#define BUF_SIZE_4KiB 4096
362#define BUF_SIZE_2KiB 2048
47dd7a54 363
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364/* Power Down and WOL */
365#define PMT_NOT_SUPPORTED 0
366#define PMT_SUPPORTED 1
47dd7a54 367
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368/* Common MAC defines */
369#define MAC_CTRL_REG 0x00000000 /* MAC Control */
370#define MAC_ENABLE_TX 0x00000008 /* Transmitter Enable */
28089222 371#define MAC_ENABLE_RX 0x00000004 /* Receiver Enable */
47dd7a54 372
d765955d 373/* Default LPI timers */
f5351ef7 374#define STMMAC_DEFAULT_LIT_LS 0x3E8
438a62b1 375#define STMMAC_DEFAULT_TWT_LS 0x1E
d765955d 376
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377#define STMMAC_CHAIN_MODE 0x1
378#define STMMAC_RING_MODE 0x2
379
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380#define JUMBO_LEN 9000
381
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382extern const struct stmmac_desc_ops enh_desc_ops;
383extern const struct stmmac_desc_ops ndesc_ops;
384
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385struct mac_device_info;
386
915af656 387extern const struct stmmac_hwtimestamp stmmac_ptp;
48863ce5 388extern const struct stmmac_mode_ops dwmac4_ring_mode_ops;
915af656 389
47dd7a54 390struct mac_link {
ca84dfb9
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391 u32 speed_mask;
392 u32 speed10;
393 u32 speed100;
394 u32 speed1000;
395 u32 duplex;
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GC
396};
397
398struct mii_regs {
399 unsigned int addr; /* MII Address */
400 unsigned int data; /* MII Data */
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401 unsigned int addr_shift; /* MII address shift */
402 unsigned int reg_shift; /* MII reg shift */
403 unsigned int addr_mask; /* MII address mask */
404 unsigned int reg_mask; /* MII reg mask */
405 unsigned int clk_csr_shift;
406 unsigned int clk_csr_mask;
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407};
408
47dd7a54 409struct mac_device_info {
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410 const struct stmmac_ops *mac;
411 const struct stmmac_desc_ops *desc;
412 const struct stmmac_dma_ops *dma;
29896a67 413 const struct stmmac_mode_ops *mode;
891434b1 414 const struct stmmac_hwtimestamp *ptp;
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415 struct mii_regs mii; /* MII register Addresses */
416 struct mac_link link;
7ed24bbe 417 void __iomem *pcsr; /* vpointer to device CSRs */
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418 int multicast_filter_bins;
419 int unicast_filter_entries;
420 int mcast_bits_log2;
d2afb5bd 421 unsigned int rx_csum;
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422 unsigned int pcs;
423 unsigned int pmt;
02e57b9d 424 unsigned int ps;
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425};
426
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427struct stmmac_rx_routing {
428 u32 reg_mask;
429 u32 reg_shift;
430};
431
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432int dwmac100_setup(struct stmmac_priv *priv);
433int dwmac1000_setup(struct stmmac_priv *priv);
434int dwmac4_setup(struct stmmac_priv *priv);
aec7ff27 435
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JP
436void stmmac_set_mac_addr(void __iomem *ioaddr, u8 addr[6],
437 unsigned int high, unsigned int low);
438void stmmac_get_mac_addr(void __iomem *ioaddr, unsigned char *addr,
439 unsigned int high, unsigned int low);
d6cc64ef 440void stmmac_set_mac(void __iomem *ioaddr, bool enable);
bfab27a1 441
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AT
442void stmmac_dwmac4_set_mac_addr(void __iomem *ioaddr, u8 addr[6],
443 unsigned int high, unsigned int low);
444void stmmac_dwmac4_get_mac_addr(void __iomem *ioaddr, unsigned char *addr,
445 unsigned int high, unsigned int low);
446void stmmac_dwmac4_set_mac(void __iomem *ioaddr, bool enable);
447
d6cc64ef 448void dwmac_dma_flush_tx_fifo(void __iomem *ioaddr);
70523e63 449
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GC
450extern const struct stmmac_mode_ops ring_mode_ops;
451extern const struct stmmac_mode_ops chain_mode_ops;
f748be53 452extern const struct stmmac_desc_ops dwmac4_desc_ops;
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453
454#endif /* __COMMON_H__ */