1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 1999 - 2008 Intel Corporation. */
3 
4 #ifndef _IXGB_HW_H_
5 #define _IXGB_HW_H_
6 
7 #include <linux/mdio.h>
8 
9 #include "ixgb_osdep.h"
10 
11 /* Enums */
12 typedef enum {
13 	ixgb_mac_unknown = 0,
14 	ixgb_82597,
15 	ixgb_num_macs
16 } ixgb_mac_type;
17 
18 /* Types of physical layer modules */
19 typedef enum {
20 	ixgb_phy_type_unknown = 0,
21 	ixgb_phy_type_g6005,	/* 850nm, MM fiber, XPAK transceiver */
22 	ixgb_phy_type_g6104,	/* 1310nm, SM fiber, XPAK transceiver */
23 	ixgb_phy_type_txn17201,	/* 850nm, MM fiber, XPAK transceiver */
24 	ixgb_phy_type_txn17401,	/* 1310nm, SM fiber, XENPAK transceiver */
25 	ixgb_phy_type_bcm	/* SUN specific board */
26 } ixgb_phy_type;
27 
28 /* XPAK transceiver vendors, for the SR adapters */
29 typedef enum {
30 	ixgb_xpak_vendor_intel,
31 	ixgb_xpak_vendor_infineon
32 } ixgb_xpak_vendor;
33 
34 /* Media Types */
35 typedef enum {
36 	ixgb_media_type_unknown = 0,
37 	ixgb_media_type_fiber = 1,
38 	ixgb_media_type_copper = 2,
39 	ixgb_num_media_types
40 } ixgb_media_type;
41 
42 /* Flow Control Settings */
43 typedef enum {
44 	ixgb_fc_none = 0,
45 	ixgb_fc_rx_pause = 1,
46 	ixgb_fc_tx_pause = 2,
47 	ixgb_fc_full = 3,
48 	ixgb_fc_default = 0xFF
49 } ixgb_fc_type;
50 
51 /* PCI bus types */
52 typedef enum {
53 	ixgb_bus_type_unknown = 0,
54 	ixgb_bus_type_pci,
55 	ixgb_bus_type_pcix
56 } ixgb_bus_type;
57 
58 /* PCI bus speeds */
59 typedef enum {
60 	ixgb_bus_speed_unknown = 0,
61 	ixgb_bus_speed_33,
62 	ixgb_bus_speed_66,
63 	ixgb_bus_speed_100,
64 	ixgb_bus_speed_133,
65 	ixgb_bus_speed_reserved
66 } ixgb_bus_speed;
67 
68 /* PCI bus widths */
69 typedef enum {
70 	ixgb_bus_width_unknown = 0,
71 	ixgb_bus_width_32,
72 	ixgb_bus_width_64
73 } ixgb_bus_width;
74 
75 #define IXGB_EEPROM_SIZE    64	/* Size in words */
76 
77 #define SPEED_10000  10000
78 #define FULL_DUPLEX  2
79 
80 #define MIN_NUMBER_OF_DESCRIPTORS       8
81 #define MAX_NUMBER_OF_DESCRIPTORS  0xFFF8	/* 13 bits in RDLEN/TDLEN, 128B aligned     */
82 
83 #define IXGB_DELAY_BEFORE_RESET        10	/* allow 10ms after idling rx/tx units      */
84 #define IXGB_DELAY_AFTER_RESET          1	/* allow 1ms after the reset                */
85 #define IXGB_DELAY_AFTER_EE_RESET      10	/* allow 10ms after the EEPROM reset        */
86 
87 #define IXGB_DELAY_USECS_AFTER_LINK_RESET    13	/* allow 13 microseconds after the reset    */
88 					   /* NOTE: this is MICROSECONDS               */
89 #define MAX_RESET_ITERATIONS            8	/* number of iterations to get things right */
90 
91 /* General Registers */
92 #define IXGB_CTRL0   0x00000	/* Device Control Register 0 - RW */
93 #define IXGB_CTRL1   0x00008	/* Device Control Register 1 - RW */
94 #define IXGB_STATUS  0x00010	/* Device Status Register - RO */
95 #define IXGB_EECD    0x00018	/* EEPROM/Flash Control/Data Register - RW */
96 #define IXGB_MFS     0x00020	/* Maximum Frame Size - RW */
97 
98 /* Interrupt */
99 #define IXGB_ICR     0x00080	/* Interrupt Cause Read - R/clr */
100 #define IXGB_ICS     0x00088	/* Interrupt Cause Set - RW */
101 #define IXGB_IMS     0x00090	/* Interrupt Mask Set/Read - RW */
102 #define IXGB_IMC     0x00098	/* Interrupt Mask Clear - WO */
103 
104 /* Receive */
105 #define IXGB_RCTL    0x00100	/* RX Control - RW */
106 #define IXGB_FCRTL   0x00108	/* Flow Control Receive Threshold Low - RW */
107 #define IXGB_FCRTH   0x00110	/* Flow Control Receive Threshold High - RW */
108 #define IXGB_RDBAL   0x00118	/* RX Descriptor Base Low - RW */
109 #define IXGB_RDBAH   0x0011C	/* RX Descriptor Base High - RW */
110 #define IXGB_RDLEN   0x00120	/* RX Descriptor Length - RW */
111 #define IXGB_RDH     0x00128	/* RX Descriptor Head - RW */
112 #define IXGB_RDT     0x00130	/* RX Descriptor Tail - RW */
113 #define IXGB_RDTR    0x00138	/* RX Delay Timer Ring - RW */
114 #define IXGB_RXDCTL  0x00140	/* Receive Descriptor Control - RW */
115 #define IXGB_RAIDC   0x00148	/* Receive Adaptive Interrupt Delay Control - RW */
116 #define IXGB_RXCSUM  0x00158	/* Receive Checksum Control - RW */
117 #define IXGB_RA      0x00180	/* Receive Address Array Base - RW */
118 #define IXGB_RAL     0x00180	/* Receive Address Low [0:15] - RW */
119 #define IXGB_RAH     0x00184	/* Receive Address High [0:15] - RW */
120 #define IXGB_MTA     0x00200	/* Multicast Table Array [0:127] - RW */
121 #define IXGB_VFTA    0x00400	/* VLAN Filter Table Array [0:127] - RW */
122 #define IXGB_REQ_RX_DESCRIPTOR_MULTIPLE 8
123 
124 /* Transmit */
125 #define IXGB_TCTL    0x00600	/* TX Control - RW */
126 #define IXGB_TDBAL   0x00608	/* TX Descriptor Base Low - RW */
127 #define IXGB_TDBAH   0x0060C	/* TX Descriptor Base High - RW */
128 #define IXGB_TDLEN   0x00610	/* TX Descriptor Length - RW */
129 #define IXGB_TDH     0x00618	/* TX Descriptor Head - RW */
130 #define IXGB_TDT     0x00620	/* TX Descriptor Tail - RW */
131 #define IXGB_TIDV    0x00628	/* TX Interrupt Delay Value - RW */
132 #define IXGB_TXDCTL  0x00630	/* Transmit Descriptor Control - RW */
133 #define IXGB_TSPMT   0x00638	/* TCP Segmentation PAD & Min Threshold - RW */
134 #define IXGB_PAP     0x00640	/* Pause and Pace - RW */
135 #define IXGB_REQ_TX_DESCRIPTOR_MULTIPLE 8
136 
137 /* Physical */
138 #define IXGB_PCSC1   0x00700	/* PCS Control 1 - RW */
139 #define IXGB_PCSC2   0x00708	/* PCS Control 2 - RW */
140 #define IXGB_PCSS1   0x00710	/* PCS Status 1 - RO */
141 #define IXGB_PCSS2   0x00718	/* PCS Status 2 - RO */
142 #define IXGB_XPCSS   0x00720	/* 10GBASE-X PCS Status (or XGXS Lane Status) - RO */
143 #define IXGB_UCCR    0x00728	/* Unilink Circuit Control Register */
144 #define IXGB_XPCSTC  0x00730	/* 10GBASE-X PCS Test Control */
145 #define IXGB_MACA    0x00738	/* MDI Autoscan Command and Address - RW */
146 #define IXGB_APAE    0x00740	/* Autoscan PHY Address Enable - RW */
147 #define IXGB_ARD     0x00748	/* Autoscan Read Data - RO */
148 #define IXGB_AIS     0x00750	/* Autoscan Interrupt Status - RO */
149 #define IXGB_MSCA    0x00758	/* MDI Single Command and Address - RW */
150 #define IXGB_MSRWD   0x00760	/* MDI Single Read and Write Data - RW, RO */
151 
152 /* Wake-up */
153 #define IXGB_WUFC    0x00808	/* Wake Up Filter Control - RW */
154 #define IXGB_WUS     0x00810	/* Wake Up Status - RO */
155 #define IXGB_FFLT    0x01000	/* Flexible Filter Length Table - RW */
156 #define IXGB_FFMT    0x01020	/* Flexible Filter Mask Table - RW */
157 #define IXGB_FTVT    0x01420	/* Flexible Filter Value Table - RW */
158 
159 /* Statistics */
160 #define IXGB_TPRL    0x02000	/* Total Packets Received (Low) */
161 #define IXGB_TPRH    0x02004	/* Total Packets Received (High) */
162 #define IXGB_GPRCL   0x02008	/* Good Packets Received Count (Low) */
163 #define IXGB_GPRCH   0x0200C	/* Good Packets Received Count (High) */
164 #define IXGB_BPRCL   0x02010	/* Broadcast Packets Received Count (Low) */
165 #define IXGB_BPRCH   0x02014	/* Broadcast Packets Received Count (High) */
166 #define IXGB_MPRCL   0x02018	/* Multicast Packets Received Count (Low) */
167 #define IXGB_MPRCH   0x0201C	/* Multicast Packets Received Count (High) */
168 #define IXGB_UPRCL   0x02020	/* Unicast Packets Received Count (Low) */
169 #define IXGB_UPRCH   0x02024	/* Unicast Packets Received Count (High) */
170 #define IXGB_VPRCL   0x02028	/* VLAN Packets Received Count (Low) */
171 #define IXGB_VPRCH   0x0202C	/* VLAN Packets Received Count (High) */
172 #define IXGB_JPRCL   0x02030	/* Jumbo Packets Received Count (Low) */
173 #define IXGB_JPRCH   0x02034	/* Jumbo Packets Received Count (High) */
174 #define IXGB_GORCL   0x02038	/* Good Octets Received Count (Low) */
175 #define IXGB_GORCH   0x0203C	/* Good Octets Received Count (High) */
176 #define IXGB_TORL    0x02040	/* Total Octets Received (Low) */
177 #define IXGB_TORH    0x02044	/* Total Octets Received (High) */
178 #define IXGB_RNBC    0x02048	/* Receive No Buffers Count */
179 #define IXGB_RUC     0x02050	/* Receive Undersize Count */
180 #define IXGB_ROC     0x02058	/* Receive Oversize Count */
181 #define IXGB_RLEC    0x02060	/* Receive Length Error Count */
182 #define IXGB_CRCERRS 0x02068	/* CRC Error Count */
183 #define IXGB_ICBC    0x02070	/* Illegal control byte in mid-packet Count */
184 #define IXGB_ECBC    0x02078	/* Error Control byte in mid-packet Count */
185 #define IXGB_MPC     0x02080	/* Missed Packets Count */
186 #define IXGB_TPTL    0x02100	/* Total Packets Transmitted (Low) */
187 #define IXGB_TPTH    0x02104	/* Total Packets Transmitted (High) */
188 #define IXGB_GPTCL   0x02108	/* Good Packets Transmitted Count (Low) */
189 #define IXGB_GPTCH   0x0210C	/* Good Packets Transmitted Count (High) */
190 #define IXGB_BPTCL   0x02110	/* Broadcast Packets Transmitted Count (Low) */
191 #define IXGB_BPTCH   0x02114	/* Broadcast Packets Transmitted Count (High) */
192 #define IXGB_MPTCL   0x02118	/* Multicast Packets Transmitted Count (Low) */
193 #define IXGB_MPTCH   0x0211C	/* Multicast Packets Transmitted Count (High) */
194 #define IXGB_UPTCL   0x02120	/* Unicast Packets Transmitted Count (Low) */
195 #define IXGB_UPTCH   0x02124	/* Unicast Packets Transmitted Count (High) */
196 #define IXGB_VPTCL   0x02128	/* VLAN Packets Transmitted Count (Low) */
197 #define IXGB_VPTCH   0x0212C	/* VLAN Packets Transmitted Count (High) */
198 #define IXGB_JPTCL   0x02130	/* Jumbo Packets Transmitted Count (Low) */
199 #define IXGB_JPTCH   0x02134	/* Jumbo Packets Transmitted Count (High) */
200 #define IXGB_GOTCL   0x02138	/* Good Octets Transmitted Count (Low) */
201 #define IXGB_GOTCH   0x0213C	/* Good Octets Transmitted Count (High) */
202 #define IXGB_TOTL    0x02140	/* Total Octets Transmitted Count (Low) */
203 #define IXGB_TOTH    0x02144	/* Total Octets Transmitted Count (High) */
204 #define IXGB_DC      0x02148	/* Defer Count */
205 #define IXGB_PLT64C  0x02150	/* Packet Transmitted was less than 64 bytes Count */
206 #define IXGB_TSCTC   0x02170	/* TCP Segmentation Context Transmitted Count */
207 #define IXGB_TSCTFC  0x02178	/* TCP Segmentation Context Tx Fail Count */
208 #define IXGB_IBIC    0x02180	/* Illegal byte during Idle stream count */
209 #define IXGB_RFC     0x02188	/* Remote Fault Count */
210 #define IXGB_LFC     0x02190	/* Local Fault Count */
211 #define IXGB_PFRC    0x02198	/* Pause Frame Receive Count */
212 #define IXGB_PFTC    0x021A0	/* Pause Frame Transmit Count */
213 #define IXGB_MCFRC   0x021A8	/* MAC Control Frames (non-Pause) Received Count */
214 #define IXGB_MCFTC   0x021B0	/* MAC Control Frames (non-Pause) Transmitted Count */
215 #define IXGB_XONRXC  0x021B8	/* XON Received Count */
216 #define IXGB_XONTXC  0x021C0	/* XON Transmitted Count */
217 #define IXGB_XOFFRXC 0x021C8	/* XOFF Received Count */
218 #define IXGB_XOFFTXC 0x021D0	/* XOFF Transmitted Count */
219 #define IXGB_RJC     0x021D8	/* Receive Jabber Count */
220 
221 /* CTRL0 Bit Masks */
222 #define IXGB_CTRL0_LRST     0x00000008
223 #define IXGB_CTRL0_JFE      0x00000010
224 #define IXGB_CTRL0_XLE      0x00000020
225 #define IXGB_CTRL0_MDCS     0x00000040
226 #define IXGB_CTRL0_CMDC     0x00000080
227 #define IXGB_CTRL0_SDP0     0x00040000
228 #define IXGB_CTRL0_SDP1     0x00080000
229 #define IXGB_CTRL0_SDP2     0x00100000
230 #define IXGB_CTRL0_SDP3     0x00200000
231 #define IXGB_CTRL0_SDP0_DIR 0x00400000
232 #define IXGB_CTRL0_SDP1_DIR 0x00800000
233 #define IXGB_CTRL0_SDP2_DIR 0x01000000
234 #define IXGB_CTRL0_SDP3_DIR 0x02000000
235 #define IXGB_CTRL0_RST      0x04000000
236 #define IXGB_CTRL0_RPE      0x08000000
237 #define IXGB_CTRL0_TPE      0x10000000
238 #define IXGB_CTRL0_VME      0x40000000
239 
240 /* CTRL1 Bit Masks */
241 #define IXGB_CTRL1_GPI0_EN     0x00000001
242 #define IXGB_CTRL1_GPI1_EN     0x00000002
243 #define IXGB_CTRL1_GPI2_EN     0x00000004
244 #define IXGB_CTRL1_GPI3_EN     0x00000008
245 #define IXGB_CTRL1_SDP4        0x00000010
246 #define IXGB_CTRL1_SDP5        0x00000020
247 #define IXGB_CTRL1_SDP6        0x00000040
248 #define IXGB_CTRL1_SDP7        0x00000080
249 #define IXGB_CTRL1_SDP4_DIR    0x00000100
250 #define IXGB_CTRL1_SDP5_DIR    0x00000200
251 #define IXGB_CTRL1_SDP6_DIR    0x00000400
252 #define IXGB_CTRL1_SDP7_DIR    0x00000800
253 #define IXGB_CTRL1_EE_RST      0x00002000
254 #define IXGB_CTRL1_RO_DIS      0x00020000
255 #define IXGB_CTRL1_PCIXHM_MASK 0x00C00000
256 #define IXGB_CTRL1_PCIXHM_1_2  0x00000000
257 #define IXGB_CTRL1_PCIXHM_5_8  0x00400000
258 #define IXGB_CTRL1_PCIXHM_3_4  0x00800000
259 #define IXGB_CTRL1_PCIXHM_7_8  0x00C00000
260 
261 /* STATUS Bit Masks */
262 #define IXGB_STATUS_LU            0x00000002
263 #define IXGB_STATUS_AIP           0x00000004
264 #define IXGB_STATUS_TXOFF         0x00000010
265 #define IXGB_STATUS_XAUIME        0x00000020
266 #define IXGB_STATUS_RES           0x00000040
267 #define IXGB_STATUS_RIS           0x00000080
268 #define IXGB_STATUS_RIE           0x00000100
269 #define IXGB_STATUS_RLF           0x00000200
270 #define IXGB_STATUS_RRF           0x00000400
271 #define IXGB_STATUS_PCI_SPD       0x00000800
272 #define IXGB_STATUS_BUS64         0x00001000
273 #define IXGB_STATUS_PCIX_MODE     0x00002000
274 #define IXGB_STATUS_PCIX_SPD_MASK 0x0000C000
275 #define IXGB_STATUS_PCIX_SPD_66   0x00000000
276 #define IXGB_STATUS_PCIX_SPD_100  0x00004000
277 #define IXGB_STATUS_PCIX_SPD_133  0x00008000
278 #define IXGB_STATUS_REV_ID_MASK   0x000F0000
279 #define IXGB_STATUS_REV_ID_SHIFT  16
280 
281 /* EECD Bit Masks */
282 #define IXGB_EECD_SK       0x00000001
283 #define IXGB_EECD_CS       0x00000002
284 #define IXGB_EECD_DI       0x00000004
285 #define IXGB_EECD_DO       0x00000008
286 #define IXGB_EECD_FWE_MASK 0x00000030
287 #define IXGB_EECD_FWE_DIS  0x00000010
288 #define IXGB_EECD_FWE_EN   0x00000020
289 
290 /* MFS */
291 #define IXGB_MFS_SHIFT 16
292 
293 /* Interrupt Register Bit Masks (used for ICR, ICS, IMS, and IMC) */
294 #define IXGB_INT_TXDW     0x00000001
295 #define IXGB_INT_TXQE     0x00000002
296 #define IXGB_INT_LSC      0x00000004
297 #define IXGB_INT_RXSEQ    0x00000008
298 #define IXGB_INT_RXDMT0   0x00000010
299 #define IXGB_INT_RXO      0x00000040
300 #define IXGB_INT_RXT0     0x00000080
301 #define IXGB_INT_AUTOSCAN 0x00000200
302 #define IXGB_INT_GPI0     0x00000800
303 #define IXGB_INT_GPI1     0x00001000
304 #define IXGB_INT_GPI2     0x00002000
305 #define IXGB_INT_GPI3     0x00004000
306 
307 /* RCTL Bit Masks */
308 #define IXGB_RCTL_RXEN        0x00000002
309 #define IXGB_RCTL_SBP         0x00000004
310 #define IXGB_RCTL_UPE         0x00000008
311 #define IXGB_RCTL_MPE         0x00000010
312 #define IXGB_RCTL_RDMTS_MASK  0x00000300
313 #define IXGB_RCTL_RDMTS_1_2   0x00000000
314 #define IXGB_RCTL_RDMTS_1_4   0x00000100
315 #define IXGB_RCTL_RDMTS_1_8   0x00000200
316 #define IXGB_RCTL_MO_MASK     0x00003000
317 #define IXGB_RCTL_MO_47_36    0x00000000
318 #define IXGB_RCTL_MO_46_35    0x00001000
319 #define IXGB_RCTL_MO_45_34    0x00002000
320 #define IXGB_RCTL_MO_43_32    0x00003000
321 #define IXGB_RCTL_MO_SHIFT    12
322 #define IXGB_RCTL_BAM         0x00008000
323 #define IXGB_RCTL_BSIZE_MASK  0x00030000
324 #define IXGB_RCTL_BSIZE_2048  0x00000000
325 #define IXGB_RCTL_BSIZE_4096  0x00010000
326 #define IXGB_RCTL_BSIZE_8192  0x00020000
327 #define IXGB_RCTL_BSIZE_16384 0x00030000
328 #define IXGB_RCTL_VFE         0x00040000
329 #define IXGB_RCTL_CFIEN       0x00080000
330 #define IXGB_RCTL_CFI         0x00100000
331 #define IXGB_RCTL_RPDA_MASK   0x00600000
332 #define IXGB_RCTL_RPDA_MC_MAC 0x00000000
333 #define IXGB_RCTL_MC_ONLY     0x00400000
334 #define IXGB_RCTL_CFF         0x00800000
335 #define IXGB_RCTL_SECRC       0x04000000
336 #define IXGB_RDT_FPDB         0x80000000
337 
338 #define IXGB_RCTL_IDLE_RX_UNIT 0
339 
340 /* FCRTL Bit Masks */
341 #define IXGB_FCRTL_XONE       0x80000000
342 
343 /* RXDCTL Bit Masks */
344 #define IXGB_RXDCTL_PTHRESH_MASK  0x000001FF
345 #define IXGB_RXDCTL_PTHRESH_SHIFT 0
346 #define IXGB_RXDCTL_HTHRESH_MASK  0x0003FE00
347 #define IXGB_RXDCTL_HTHRESH_SHIFT 9
348 #define IXGB_RXDCTL_WTHRESH_MASK  0x07FC0000
349 #define IXGB_RXDCTL_WTHRESH_SHIFT 18
350 
351 /* RAIDC Bit Masks */
352 #define IXGB_RAIDC_HIGHTHRS_MASK 0x0000003F
353 #define IXGB_RAIDC_DELAY_MASK    0x000FF800
354 #define IXGB_RAIDC_DELAY_SHIFT   11
355 #define IXGB_RAIDC_POLL_MASK     0x1FF00000
356 #define IXGB_RAIDC_POLL_SHIFT    20
357 #define IXGB_RAIDC_RXT_GATE      0x40000000
358 #define IXGB_RAIDC_EN            0x80000000
359 
360 #define IXGB_RAIDC_POLL_1000_INTERRUPTS_PER_SECOND      1220
361 #define IXGB_RAIDC_POLL_5000_INTERRUPTS_PER_SECOND      244
362 #define IXGB_RAIDC_POLL_10000_INTERRUPTS_PER_SECOND     122
363 #define IXGB_RAIDC_POLL_20000_INTERRUPTS_PER_SECOND     61
364 
365 /* RXCSUM Bit Masks */
366 #define IXGB_RXCSUM_IPOFL 0x00000100
367 #define IXGB_RXCSUM_TUOFL 0x00000200
368 
369 /* RAH Bit Masks */
370 #define IXGB_RAH_ASEL_MASK 0x00030000
371 #define IXGB_RAH_ASEL_DEST 0x00000000
372 #define IXGB_RAH_ASEL_SRC  0x00010000
373 #define IXGB_RAH_AV        0x80000000
374 
375 /* TCTL Bit Masks */
376 #define IXGB_TCTL_TCE  0x00000001
377 #define IXGB_TCTL_TXEN 0x00000002
378 #define IXGB_TCTL_TPDE 0x00000004
379 
380 #define IXGB_TCTL_IDLE_TX_UNIT  0
381 
382 /* TXDCTL Bit Masks */
383 #define IXGB_TXDCTL_PTHRESH_MASK  0x0000007F
384 #define IXGB_TXDCTL_HTHRESH_MASK  0x00007F00
385 #define IXGB_TXDCTL_HTHRESH_SHIFT 8
386 #define IXGB_TXDCTL_WTHRESH_MASK  0x007F0000
387 #define IXGB_TXDCTL_WTHRESH_SHIFT 16
388 
389 /* TSPMT Bit Masks */
390 #define IXGB_TSPMT_TSMT_MASK   0x0000FFFF
391 #define IXGB_TSPMT_TSPBP_MASK  0xFFFF0000
392 #define IXGB_TSPMT_TSPBP_SHIFT 16
393 
394 /* PAP Bit Masks */
395 #define IXGB_PAP_TXPC_MASK 0x0000FFFF
396 #define IXGB_PAP_TXPV_MASK 0x000F0000
397 #define IXGB_PAP_TXPV_10G  0x00000000
398 #define IXGB_PAP_TXPV_1G   0x00010000
399 #define IXGB_PAP_TXPV_2G   0x00020000
400 #define IXGB_PAP_TXPV_3G   0x00030000
401 #define IXGB_PAP_TXPV_4G   0x00040000
402 #define IXGB_PAP_TXPV_5G   0x00050000
403 #define IXGB_PAP_TXPV_6G   0x00060000
404 #define IXGB_PAP_TXPV_7G   0x00070000
405 #define IXGB_PAP_TXPV_8G   0x00080000
406 #define IXGB_PAP_TXPV_9G   0x00090000
407 #define IXGB_PAP_TXPV_WAN  0x000F0000
408 
409 /* PCSC1 Bit Masks */
410 #define IXGB_PCSC1_LOOPBACK 0x00004000
411 
412 /* PCSC2 Bit Masks */
413 #define IXGB_PCSC2_PCS_TYPE_MASK  0x00000003
414 #define IXGB_PCSC2_PCS_TYPE_10GBX 0x00000001
415 
416 /* PCSS1 Bit Masks */
417 #define IXGB_PCSS1_LOCAL_FAULT    0x00000080
418 #define IXGB_PCSS1_RX_LINK_STATUS 0x00000004
419 
420 /* PCSS2 Bit Masks */
421 #define IXGB_PCSS2_DEV_PRES_MASK 0x0000C000
422 #define IXGB_PCSS2_DEV_PRES      0x00004000
423 #define IXGB_PCSS2_TX_LF         0x00000800
424 #define IXGB_PCSS2_RX_LF         0x00000400
425 #define IXGB_PCSS2_10GBW         0x00000004
426 #define IXGB_PCSS2_10GBX         0x00000002
427 #define IXGB_PCSS2_10GBR         0x00000001
428 
429 /* XPCSS Bit Masks */
430 #define IXGB_XPCSS_ALIGN_STATUS 0x00001000
431 #define IXGB_XPCSS_PATTERN_TEST 0x00000800
432 #define IXGB_XPCSS_LANE_3_SYNC  0x00000008
433 #define IXGB_XPCSS_LANE_2_SYNC  0x00000004
434 #define IXGB_XPCSS_LANE_1_SYNC  0x00000002
435 #define IXGB_XPCSS_LANE_0_SYNC  0x00000001
436 
437 /* XPCSTC Bit Masks */
438 #define IXGB_XPCSTC_BERT_TRIG       0x00200000
439 #define IXGB_XPCSTC_BERT_SST        0x00100000
440 #define IXGB_XPCSTC_BERT_PSZ_MASK   0x000C0000
441 #define IXGB_XPCSTC_BERT_PSZ_SHIFT  17
442 #define IXGB_XPCSTC_BERT_PSZ_INF    0x00000003
443 #define IXGB_XPCSTC_BERT_PSZ_68     0x00000001
444 #define IXGB_XPCSTC_BERT_PSZ_1028   0x00000000
445 
446 /* MSCA bit Masks */
447 /* New Protocol Address */
448 #define IXGB_MSCA_NP_ADDR_MASK      0x0000FFFF
449 #define IXGB_MSCA_NP_ADDR_SHIFT     0
450 /* Either Device Type or Register Address,depending on ST_CODE */
451 #define IXGB_MSCA_DEV_TYPE_MASK     0x001F0000
452 #define IXGB_MSCA_DEV_TYPE_SHIFT    16
453 #define IXGB_MSCA_PHY_ADDR_MASK     0x03E00000
454 #define IXGB_MSCA_PHY_ADDR_SHIFT    21
455 #define IXGB_MSCA_OP_CODE_MASK      0x0C000000
456 /* OP_CODE == 00, Address cycle, New Protocol           */
457 /* OP_CODE == 01, Write operation                       */
458 /* OP_CODE == 10, Read operation                        */
459 /* OP_CODE == 11, Read, auto increment, New Protocol    */
460 #define IXGB_MSCA_ADDR_CYCLE        0x00000000
461 #define IXGB_MSCA_WRITE             0x04000000
462 #define IXGB_MSCA_READ              0x08000000
463 #define IXGB_MSCA_READ_AUTOINC      0x0C000000
464 #define IXGB_MSCA_OP_CODE_SHIFT     26
465 #define IXGB_MSCA_ST_CODE_MASK      0x30000000
466 /* ST_CODE == 00, New Protocol  */
467 /* ST_CODE == 01, Old Protocol  */
468 #define IXGB_MSCA_NEW_PROTOCOL      0x00000000
469 #define IXGB_MSCA_OLD_PROTOCOL      0x10000000
470 #define IXGB_MSCA_ST_CODE_SHIFT     28
471 /* Initiate command, self-clearing when command completes */
472 #define IXGB_MSCA_MDI_COMMAND       0x40000000
473 /*MDI In Progress Enable. */
474 #define IXGB_MSCA_MDI_IN_PROG_EN    0x80000000
475 
476 /* MSRWD bit masks */
477 #define IXGB_MSRWD_WRITE_DATA_MASK  0x0000FFFF
478 #define IXGB_MSRWD_WRITE_DATA_SHIFT 0
479 #define IXGB_MSRWD_READ_DATA_MASK   0xFFFF0000
480 #define IXGB_MSRWD_READ_DATA_SHIFT  16
481 
482 /* Definitions for the optics devices on the MDIO bus. */
483 #define IXGB_PHY_ADDRESS             0x0	/* Single PHY, multiple "Devices" */
484 
485 #define MDIO_PMA_PMD_XPAK_VENDOR_NAME       0x803A	/* XPAK/XENPAK devices only */
486 
487 /* Vendor-specific MDIO registers */
488 #define G6XXX_PMA_PMD_VS1                   0xC001	/* Vendor-specific register */
489 #define G6XXX_XGXS_XAUI_VS2                 0x18	/* Vendor-specific register */
490 
491 #define G6XXX_PMA_PMD_VS1_PLL_RESET         0x80
492 #define G6XXX_PMA_PMD_VS1_REMOVE_PLL_RESET  0x00
493 #define G6XXX_XGXS_XAUI_VS2_INPUT_MASK      0x0F	/* XAUI lanes synchronized */
494 
495 /* Layout of a single receive descriptor.  The controller assumes that this
496  * structure is packed into 16 bytes, which is a safe assumption with most
497  * compilers.  However, some compilers may insert padding between the fields,
498  * in which case the structure must be packed in some compiler-specific
499  * manner. */
500 struct ixgb_rx_desc {
501 	__le64 buff_addr;
502 	__le16 length;
503 	__le16 reserved;
504 	u8 status;
505 	u8 errors;
506 	__le16 special;
507 };
508 
509 #define IXGB_RX_DESC_STATUS_DD    0x01
510 #define IXGB_RX_DESC_STATUS_EOP   0x02
511 #define IXGB_RX_DESC_STATUS_IXSM  0x04
512 #define IXGB_RX_DESC_STATUS_VP    0x08
513 #define IXGB_RX_DESC_STATUS_TCPCS 0x20
514 #define IXGB_RX_DESC_STATUS_IPCS  0x40
515 #define IXGB_RX_DESC_STATUS_PIF   0x80
516 
517 #define IXGB_RX_DESC_ERRORS_CE   0x01
518 #define IXGB_RX_DESC_ERRORS_SE   0x02
519 #define IXGB_RX_DESC_ERRORS_P    0x08
520 #define IXGB_RX_DESC_ERRORS_TCPE 0x20
521 #define IXGB_RX_DESC_ERRORS_IPE  0x40
522 #define IXGB_RX_DESC_ERRORS_RXE  0x80
523 
524 #define IXGB_RX_DESC_SPECIAL_VLAN_MASK  0x0FFF	/* VLAN ID is in lower 12 bits */
525 #define IXGB_RX_DESC_SPECIAL_PRI_MASK   0xE000	/* Priority is in upper 3 bits */
526 #define IXGB_RX_DESC_SPECIAL_PRI_SHIFT  0x000D	/* Priority is in upper 3 of 16 */
527 
528 /* Layout of a single transmit descriptor.  The controller assumes that this
529  * structure is packed into 16 bytes, which is a safe assumption with most
530  * compilers.  However, some compilers may insert padding between the fields,
531  * in which case the structure must be packed in some compiler-specific
532  * manner. */
533 struct ixgb_tx_desc {
534 	__le64 buff_addr;
535 	__le32 cmd_type_len;
536 	u8 status;
537 	u8 popts;
538 	__le16 vlan;
539 };
540 
541 #define IXGB_TX_DESC_LENGTH_MASK    0x000FFFFF
542 #define IXGB_TX_DESC_TYPE_MASK      0x00F00000
543 #define IXGB_TX_DESC_TYPE_SHIFT     20
544 #define IXGB_TX_DESC_CMD_MASK       0xFF000000
545 #define IXGB_TX_DESC_CMD_SHIFT      24
546 #define IXGB_TX_DESC_CMD_EOP        0x01000000
547 #define IXGB_TX_DESC_CMD_TSE        0x04000000
548 #define IXGB_TX_DESC_CMD_RS         0x08000000
549 #define IXGB_TX_DESC_CMD_VLE        0x40000000
550 #define IXGB_TX_DESC_CMD_IDE        0x80000000
551 
552 #define IXGB_TX_DESC_TYPE           0x00100000
553 
554 #define IXGB_TX_DESC_STATUS_DD  0x01
555 
556 #define IXGB_TX_DESC_POPTS_IXSM 0x01
557 #define IXGB_TX_DESC_POPTS_TXSM 0x02
558 #define IXGB_TX_DESC_SPECIAL_PRI_SHIFT  IXGB_RX_DESC_SPECIAL_PRI_SHIFT	/* Priority is in upper 3 of 16 */
559 
560 struct ixgb_context_desc {
561 	u8 ipcss;
562 	u8 ipcso;
563 	__le16 ipcse;
564 	u8 tucss;
565 	u8 tucso;
566 	__le16 tucse;
567 	__le32 cmd_type_len;
568 	u8 status;
569 	u8 hdr_len;
570 	__le16 mss;
571 };
572 
573 #define IXGB_CONTEXT_DESC_CMD_TCP 0x01000000
574 #define IXGB_CONTEXT_DESC_CMD_IP  0x02000000
575 #define IXGB_CONTEXT_DESC_CMD_TSE 0x04000000
576 #define IXGB_CONTEXT_DESC_CMD_RS  0x08000000
577 #define IXGB_CONTEXT_DESC_CMD_IDE 0x80000000
578 
579 #define IXGB_CONTEXT_DESC_TYPE 0x00000000
580 
581 #define IXGB_CONTEXT_DESC_STATUS_DD 0x01
582 
583 /* Filters */
584 #define IXGB_MC_TBL_SIZE          128	/* Multicast Filter Table (4096 bits) */
585 #define IXGB_VLAN_FILTER_TBL_SIZE 128	/* VLAN Filter Table (4096 bits) */
586 #define IXGB_RAR_ENTRIES		  3	/* Number of entries in Rx Address array */
587 
588 #define IXGB_MEMORY_REGISTER_BASE_ADDRESS   0
589 #define ENET_HEADER_SIZE			14
590 #define ENET_FCS_LENGTH			 4
591 #define IXGB_MAX_NUM_MULTICAST_ADDRESSES	128
592 #define IXGB_MIN_ENET_FRAME_SIZE_WITHOUT_FCS	60
593 #define IXGB_MAX_ENET_FRAME_SIZE_WITHOUT_FCS	1514
594 #define IXGB_MAX_JUMBO_FRAME_SIZE		0x3F00
595 
596 /* Phy Addresses */
597 #define IXGB_OPTICAL_PHY_ADDR 0x0	/* Optical Module phy address */
598 #define IXGB_XAUII_PHY_ADDR   0x1	/* Xauii transceiver phy address */
599 #define IXGB_DIAG_PHY_ADDR    0x1F	/* Diagnostic Device phy address */
600 
601 /* This structure takes a 64k flash and maps it for identification commands */
602 struct ixgb_flash_buffer {
603 	u8 manufacturer_id;
604 	u8 device_id;
605 	u8 filler1[0x2AA8];
606 	u8 cmd2;
607 	u8 filler2[0x2AAA];
608 	u8 cmd1;
609 	u8 filler3[0xAAAA];
610 };
611 
612 /* Flow control parameters */
613 struct ixgb_fc {
614 	u32 high_water;	/* Flow Control High-water          */
615 	u32 low_water;	/* Flow Control Low-water           */
616 	u16 pause_time;	/* Flow Control Pause timer         */
617 	bool send_xon;		/* Flow control send XON            */
618 	ixgb_fc_type type;	/* Type of flow control             */
619 };
620 
621 /* The historical defaults for the flow control values are given below. */
622 #define FC_DEFAULT_HI_THRESH        (0x8000)	/* 32KB */
623 #define FC_DEFAULT_LO_THRESH        (0x4000)	/* 16KB */
624 #define FC_DEFAULT_TX_TIMER         (0x100)	/* ~130 us */
625 
626 /* Phy definitions */
627 #define IXGB_MAX_PHY_REG_ADDRESS    0xFFFF
628 #define IXGB_MAX_PHY_ADDRESS        31
629 #define IXGB_MAX_PHY_DEV_TYPE       31
630 
631 /* Bus parameters */
632 struct ixgb_bus {
633 	ixgb_bus_speed speed;
634 	ixgb_bus_width width;
635 	ixgb_bus_type type;
636 };
637 
638 struct ixgb_hw {
639 	u8 __iomem *hw_addr;/* Base Address of the hardware     */
640 	void *back;		/* Pointer to OS-dependent struct   */
641 	struct ixgb_fc fc;	/* Flow control parameters          */
642 	struct ixgb_bus bus;	/* Bus parameters                   */
643 	u32 phy_id;	/* Phy Identifier                   */
644 	u32 phy_addr;	/* XGMII address of Phy             */
645 	ixgb_mac_type mac_type;	/* Identifier for MAC controller    */
646 	ixgb_phy_type phy_type;	/* Transceiver/phy identifier       */
647 	u32 max_frame_size;	/* Maximum frame size supported     */
648 	u32 mc_filter_type;	/* Multicast filter hash type       */
649 	u32 num_mc_addrs;	/* Number of current Multicast addrs */
650 	u8 curr_mac_addr[ETH_ALEN];	/* Individual address currently programmed in MAC */
651 	u32 num_tx_desc;	/* Number of Transmit descriptors   */
652 	u32 num_rx_desc;	/* Number of Receive descriptors    */
653 	u32 rx_buffer_size;	/* Size of Receive buffer           */
654 	bool link_up;		/* true if link is valid            */
655 	bool adapter_stopped;	/* State of adapter                 */
656 	u16 device_id;	/* device id from PCI configuration space */
657 	u16 vendor_id;	/* vendor id from PCI configuration space */
658 	u8 revision_id;	/* revision id from PCI configuration space */
659 	u16 subsystem_vendor_id;	/* subsystem vendor id from PCI configuration space */
660 	u16 subsystem_id;	/* subsystem id from PCI configuration space */
661 	u32 bar0;		/* Base Address registers           */
662 	u32 bar1;
663 	u32 bar2;
664 	u32 bar3;
665 	u16 pci_cmd_word;	/* PCI command register id from PCI configuration space */
666 	__le16 eeprom[IXGB_EEPROM_SIZE];	/* EEPROM contents read at init time  */
667 	unsigned long io_base;	/* Our I/O mapped location */
668 	u32 lastLFC;
669 	u32 lastRFC;
670 };
671 
672 /* Statistics reported by the hardware */
673 struct ixgb_hw_stats {
674 	u64 tprl;
675 	u64 tprh;
676 	u64 gprcl;
677 	u64 gprch;
678 	u64 bprcl;
679 	u64 bprch;
680 	u64 mprcl;
681 	u64 mprch;
682 	u64 uprcl;
683 	u64 uprch;
684 	u64 vprcl;
685 	u64 vprch;
686 	u64 jprcl;
687 	u64 jprch;
688 	u64 gorcl;
689 	u64 gorch;
690 	u64 torl;
691 	u64 torh;
692 	u64 rnbc;
693 	u64 ruc;
694 	u64 roc;
695 	u64 rlec;
696 	u64 crcerrs;
697 	u64 icbc;
698 	u64 ecbc;
699 	u64 mpc;
700 	u64 tptl;
701 	u64 tpth;
702 	u64 gptcl;
703 	u64 gptch;
704 	u64 bptcl;
705 	u64 bptch;
706 	u64 mptcl;
707 	u64 mptch;
708 	u64 uptcl;
709 	u64 uptch;
710 	u64 vptcl;
711 	u64 vptch;
712 	u64 jptcl;
713 	u64 jptch;
714 	u64 gotcl;
715 	u64 gotch;
716 	u64 totl;
717 	u64 toth;
718 	u64 dc;
719 	u64 plt64c;
720 	u64 tsctc;
721 	u64 tsctfc;
722 	u64 ibic;
723 	u64 rfc;
724 	u64 lfc;
725 	u64 pfrc;
726 	u64 pftc;
727 	u64 mcfrc;
728 	u64 mcftc;
729 	u64 xonrxc;
730 	u64 xontxc;
731 	u64 xoffrxc;
732 	u64 xofftxc;
733 	u64 rjc;
734 };
735 
736 /* Function Prototypes */
737 bool ixgb_adapter_stop(struct ixgb_hw *hw);
738 bool ixgb_init_hw(struct ixgb_hw *hw);
739 bool ixgb_adapter_start(struct ixgb_hw *hw);
740 void ixgb_check_for_link(struct ixgb_hw *hw);
741 bool ixgb_check_for_bad_link(struct ixgb_hw *hw);
742 
743 void ixgb_rar_set(struct ixgb_hw *hw, const u8 *addr, u32 index);
744 
745 /* Filters (multicast, vlan, receive) */
746 void ixgb_mc_addr_list_update(struct ixgb_hw *hw, u8 *mc_addr_list,
747 			      u32 mc_addr_count, u32 pad);
748 
749 /* Vfta functions */
750 void ixgb_write_vfta(struct ixgb_hw *hw, u32 offset, u32 value);
751 
752 /* Access functions to eeprom data */
753 void ixgb_get_ee_mac_addr(struct ixgb_hw *hw, u8 *mac_addr);
754 u32 ixgb_get_ee_pba_number(struct ixgb_hw *hw);
755 u16 ixgb_get_ee_device_id(struct ixgb_hw *hw);
756 bool ixgb_get_eeprom_data(struct ixgb_hw *hw);
757 __le16 ixgb_get_eeprom_word(struct ixgb_hw *hw, u16 index);
758 
759 /* Everything else */
760 void ixgb_led_on(struct ixgb_hw *hw);
761 void ixgb_led_off(struct ixgb_hw *hw);
762 void ixgb_write_pci_cfg(struct ixgb_hw *hw,
763 			 u32 reg,
764 			 u16 * value);
765 
766 
767 #endif /* _IXGB_HW_H_ */
768