1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* Copyright 2017-2019 NXP */
3 
4 #include <linux/bitops.h>
5 
6 /* ENETC device IDs */
7 #define ENETC_DEV_ID_PF		0xe100
8 #define ENETC_DEV_ID_VF		0xef00
9 #define ENETC_DEV_ID_PTP	0xee02
10 
11 /* ENETC register block BAR */
12 #define ENETC_BAR_REGS	0
13 
14 /** SI regs, offset: 0h */
15 #define ENETC_SIMR	0
16 #define ENETC_SIMR_EN	BIT(31)
17 #define ENETC_SIMR_RSSE	BIT(0)
18 #define ENETC_SICTR0	0x18
19 #define ENETC_SICTR1	0x1c
20 #define ENETC_SIPCAPR0	0x20
21 #define ENETC_SIPCAPR0_RSS	BIT(8)
22 #define ENETC_SIPCAPR1	0x24
23 #define ENETC_SITGTGR	0x30
24 #define ENETC_SIRBGCR	0x38
25 /* cache attribute registers for transactions initiated by ENETC */
26 #define ENETC_SICAR0	0x40
27 #define ENETC_SICAR1	0x44
28 #define ENETC_SICAR2	0x48
29 /* rd snoop, no alloc
30  * wr snoop, no alloc, partial cache line update for BDs and full cache line
31  * update for data
32  */
33 #define ENETC_SICAR_RD_COHERENT	0x2b2b0000
34 #define ENETC_SICAR_WR_COHERENT	0x00006727
35 #define ENETC_SICAR_MSI	0x00300030 /* rd/wr device, no snoop, no alloc */
36 
37 #define ENETC_SIPMAR0	0x80
38 #define ENETC_SIPMAR1	0x84
39 
40 /* VF-PF Message passing */
41 #define ENETC_DEFAULT_MSG_SIZE	1024	/* and max size */
42 /* msg size encoding: default and max msg value of 1024B encoded as 0 */
43 static inline u32 enetc_vsi_set_msize(u32 size)
44 {
45 	return size < ENETC_DEFAULT_MSG_SIZE ? size >> 5 : 0;
46 }
47 
48 #define ENETC_PSIMSGRR	0x204
49 #define ENETC_PSIMSGRR_MR_MASK	GENMASK(2, 1)
50 #define ENETC_PSIMSGRR_MR(n) BIT((n) + 1) /* n = VSI index */
51 #define ENETC_PSIVMSGRCVAR0(n)	(0x210 + (n) * 0x8) /* n = VSI index */
52 #define ENETC_PSIVMSGRCVAR1(n)	(0x214 + (n) * 0x8)
53 
54 #define ENETC_VSIMSGSR	0x204	/* RO */
55 #define ENETC_VSIMSGSR_MB	BIT(0)
56 #define ENETC_VSIMSGSR_MS	BIT(1)
57 #define ENETC_VSIMSGSNDAR0	0x210
58 #define ENETC_VSIMSGSNDAR1	0x214
59 
60 #define ENETC_SIMSGSR_SET_MC(val) ((val) << 16)
61 #define ENETC_SIMSGSR_GET_MC(val) ((val) >> 16)
62 
63 /* SI statistics */
64 #define ENETC_SIROCT	0x300
65 #define ENETC_SIRFRM	0x308
66 #define ENETC_SIRUCA	0x310
67 #define ENETC_SIRMCA	0x318
68 #define ENETC_SITOCT	0x320
69 #define ENETC_SITFRM	0x328
70 #define ENETC_SITUCA	0x330
71 #define ENETC_SITMCA	0x338
72 #define ENETC_RBDCR(n)	(0x8180 + (n) * 0x200)
73 
74 /* Control BDR regs */
75 #define ENETC_SICBDRMR		0x800
76 #define ENETC_SICBDRSR		0x804	/* RO */
77 #define ENETC_SICBDRBAR0	0x810
78 #define ENETC_SICBDRBAR1	0x814
79 #define ENETC_SICBDRPIR		0x818
80 #define ENETC_SICBDRCIR		0x81c
81 #define ENETC_SICBDRLENR	0x820
82 
83 #define ENETC_SICAPR0	0x900
84 #define ENETC_SICAPR1	0x904
85 
86 #define ENETC_PSIIER	0xa00
87 #define ENETC_PSIIER_MR_MASK	GENMASK(2, 1)
88 #define ENETC_PSIIDR	0xa08
89 #define ENETC_SITXIDR	0xa18
90 #define ENETC_SIRXIDR	0xa28
91 #define ENETC_SIMSIVR	0xa30
92 
93 #define ENETC_SIMSITRV(n) (0xB00 + (n) * 0x4)
94 #define ENETC_SIMSIRRV(n) (0xB80 + (n) * 0x4)
95 
96 #define ENETC_SIUEFDCR	0xe28
97 
98 #define ENETC_SIRFSCAPR	0x1200
99 #define ENETC_SIRFSCAPR_GET_NUM_RFS(val) ((val) & 0x7f)
100 #define ENETC_SIRSSCAPR	0x1600
101 #define ENETC_SIRSSCAPR_GET_NUM_RSS(val) (BIT((val) & 0xf) * 32)
102 
103 /** SI BDR sub-blocks, n = 0..7 */
104 enum enetc_bdr_type {TX, RX};
105 #define ENETC_BDR_OFF(i)	((i) * 0x200)
106 #define ENETC_BDR(t, i, r)	(0x8000 + (t) * 0x100 + ENETC_BDR_OFF(i) + (r))
107 /* RX BDR reg offsets */
108 #define ENETC_RBMR	0
109 #define ENETC_RBMR_BDS	BIT(2)
110 #define ENETC_RBMR_VTE	BIT(5)
111 #define ENETC_RBMR_EN	BIT(31)
112 #define ENETC_RBSR	0x4
113 #define ENETC_RBBSR	0x8
114 #define ENETC_RBCIR	0xc
115 #define ENETC_RBBAR0	0x10
116 #define ENETC_RBBAR1	0x14
117 #define ENETC_RBPIR	0x18
118 #define ENETC_RBLENR	0x20
119 #define ENETC_RBIER	0xa0
120 #define ENETC_RBIER_RXTIE	BIT(0)
121 #define ENETC_RBIDR	0xa4
122 #define ENETC_RBICIR0	0xa8
123 #define ENETC_RBICIR0_ICEN	BIT(31)
124 
125 /* TX BDR reg offsets */
126 #define ENETC_TBMR	0
127 #define ENETC_TBSR_BUSY	BIT(0)
128 #define ENETC_TBMR_VIH	BIT(9)
129 #define ENETC_TBMR_PRIO_MASK		GENMASK(2, 0)
130 #define ENETC_TBMR_SET_PRIO(val)	((val) & ENETC_TBMR_PRIO_MASK)
131 #define ENETC_TBMR_EN	BIT(31)
132 #define ENETC_TBSR	0x4
133 #define ENETC_TBBAR0	0x10
134 #define ENETC_TBBAR1	0x14
135 #define ENETC_TBPIR	0x18
136 #define ENETC_TBCIR	0x1c
137 #define ENETC_TBCIR_IDX_MASK	0xffff
138 #define ENETC_TBLENR	0x20
139 #define ENETC_TBIER	0xa0
140 #define ENETC_TBIER_TXTIE	BIT(0)
141 #define ENETC_TBIDR	0xa4
142 #define ENETC_TBICIR0	0xa8
143 #define ENETC_TBICIR0_ICEN	BIT(31)
144 
145 #define ENETC_RTBLENR_LEN(n)	((n) & ~0x7)
146 
147 /* Port regs, offset: 1_0000h */
148 #define ENETC_PORT_BASE		0x10000
149 #define ENETC_PMR		0x0000
150 #define ENETC_PMR_EN	GENMASK(18, 16)
151 #define ENETC_PSR		0x0004 /* RO */
152 #define ENETC_PSIPMR		0x0018
153 #define ENETC_PSIPMR_SET_UP(n)	BIT(n) /* n = SI index */
154 #define ENETC_PSIPMR_SET_MP(n)	BIT((n) + 16)
155 #define ENETC_PSIPVMR		0x001c
156 #define ENETC_VLAN_PROMISC_MAP_ALL	0x7
157 #define ENETC_PSIPVMR_SET_VP(simap)	((simap) & 0x7)
158 #define ENETC_PSIPVMR_SET_VUTA(simap)	(((simap) & 0x7) << 16)
159 #define ENETC_PSIPMAR0(n)	(0x0100 + (n) * 0x8) /* n = SI index */
160 #define ENETC_PSIPMAR1(n)	(0x0104 + (n) * 0x8)
161 #define ENETC_PVCLCTR		0x0208
162 #define ENETC_VLAN_TYPE_C	BIT(0)
163 #define ENETC_VLAN_TYPE_S	BIT(1)
164 #define ENETC_PVCLCTR_OVTPIDL(bmp)	((bmp) & 0xff) /* VLAN_TYPE */
165 #define ENETC_PSIVLANR(n)	(0x0240 + (n) * 4) /* n = SI index */
166 #define ENETC_PSIVLAN_EN	BIT(31)
167 #define ENETC_PSIVLAN_SET_QOS(val)	((u32)(val) << 12)
168 #define ENETC_PTXMBAR		0x0608
169 #define ENETC_PCAPR0		0x0900
170 #define ENETC_PCAPR0_RXBDR(val)	((val) >> 24)
171 #define ENETC_PCAPR0_TXBDR(val)	(((val) >> 16) & 0xff)
172 #define ENETC_PCAPR1		0x0904
173 #define ENETC_PSICFGR0(n)	(0x0940 + (n) * 0xc)  /* n = SI index */
174 #define ENETC_PSICFGR0_SET_TXBDR(val)	((val) & 0xff)
175 #define ENETC_PSICFGR0_SET_RXBDR(val)	(((val) & 0xff) << 16)
176 #define ENETC_PSICFGR0_VTE	BIT(12)
177 #define ENETC_PSICFGR0_SIVIE	BIT(14)
178 #define ENETC_PSICFGR0_ASE	BIT(15)
179 #define ENETC_PSICFGR0_SIVC(bmp)	(((bmp) & 0xff) << 24) /* VLAN_TYPE */
180 
181 #define ENETC_PTCCBSR0(n)	(0x1110 + (n) * 8) /* n = 0 to 7*/
182 #define ENETC_PTCCBSR1(n)	(0x1114 + (n) * 8) /* n = 0 to 7*/
183 #define ENETC_RSSHASH_KEY_SIZE	40
184 #define ENETC_PRSSK(n)		(0x1410 + (n) * 4) /* n = [0..9] */
185 #define ENETC_PSIVLANFMR	0x1700
186 #define ENETC_PSIVLANFMR_VS	BIT(0)
187 #define ENETC_PRFSMR		0x1800
188 #define ENETC_PRFSMR_RFSE	BIT(31)
189 #define ENETC_PRFSCAPR		0x1804
190 #define ENETC_PRFSCAPR_GET_NUM_RFS(val)	((((val) & 0xf) + 1) * 16)
191 #define ENETC_PSIRFSCFGR(n)	(0x1814 + (n) * 4) /* n = SI index */
192 #define ENETC_PFPMR		0x1900
193 #define ENETC_PFPMR_PMACE	BIT(1)
194 #define ENETC_PFPMR_MWLM	BIT(0)
195 #define ENETC_PSIUMHFR0(n, err)	(((err) ? 0x1d08 : 0x1d00) + (n) * 0x10)
196 #define ENETC_PSIUMHFR1(n)	(0x1d04 + (n) * 0x10)
197 #define ENETC_PSIMMHFR0(n, err)	(((err) ? 0x1d00 : 0x1d08) + (n) * 0x10)
198 #define ENETC_PSIMMHFR1(n)	(0x1d0c + (n) * 0x10)
199 #define ENETC_PSIVHFR0(n)	(0x1e00 + (n) * 8) /* n = SI index */
200 #define ENETC_PSIVHFR1(n)	(0x1e04 + (n) * 8) /* n = SI index */
201 #define ENETC_MMCSR		0x1f00
202 #define ENETC_MMCSR_ME		BIT(16)
203 #define ENETC_PTCMSDUR(n)	(0x2020 + (n) * 4) /* n = TC index [0..7] */
204 
205 #define ENETC_PM0_CMD_CFG	0x8008
206 #define ENETC_PM1_CMD_CFG	0x9008
207 #define ENETC_PM0_TX_EN		BIT(0)
208 #define ENETC_PM0_RX_EN		BIT(1)
209 #define ENETC_PM0_PROMISC	BIT(4)
210 #define ENETC_PM0_CMD_XGLP	BIT(10)
211 #define ENETC_PM0_CMD_TXP	BIT(11)
212 #define ENETC_PM0_CMD_PHY_TX_EN	BIT(15)
213 #define ENETC_PM0_CMD_SFD	BIT(21)
214 #define ENETC_PM0_MAXFRM	0x8014
215 #define ENETC_SET_TX_MTU(val)	((val) << 16)
216 #define ENETC_SET_MAXFRM(val)	((val) & 0xffff)
217 #define ENETC_PM0_IF_MODE	0x8300
218 #define ENETC_PMO_IFM_RG	BIT(2)
219 #define ENETC_PM0_IFM_RLP	(BIT(5) | BIT(11))
220 #define ENETC_PM0_IFM_RGAUTO	(BIT(15) | ENETC_PMO_IFM_RG | BIT(1))
221 #define ENETC_PM0_IFM_XGMII	BIT(12)
222 
223 /* MAC counters */
224 #define ENETC_PM0_REOCT		0x8100
225 #define ENETC_PM0_RALN		0x8110
226 #define ENETC_PM0_RXPF		0x8118
227 #define ENETC_PM0_RFRM		0x8120
228 #define ENETC_PM0_RFCS		0x8128
229 #define ENETC_PM0_RVLAN		0x8130
230 #define ENETC_PM0_RERR		0x8138
231 #define ENETC_PM0_RUCA		0x8140
232 #define ENETC_PM0_RMCA		0x8148
233 #define ENETC_PM0_RBCA		0x8150
234 #define ENETC_PM0_RDRP		0x8158
235 #define ENETC_PM0_RPKT		0x8160
236 #define ENETC_PM0_RUND		0x8168
237 #define ENETC_PM0_R64		0x8170
238 #define ENETC_PM0_R127		0x8178
239 #define ENETC_PM0_R255		0x8180
240 #define ENETC_PM0_R511		0x8188
241 #define ENETC_PM0_R1023		0x8190
242 #define ENETC_PM0_R1518		0x8198
243 #define ENETC_PM0_R1519X	0x81A0
244 #define ENETC_PM0_ROVR		0x81A8
245 #define ENETC_PM0_RJBR		0x81B0
246 #define ENETC_PM0_RFRG		0x81B8
247 #define ENETC_PM0_RCNP		0x81C0
248 #define ENETC_PM0_RDRNTP	0x81C8
249 #define ENETC_PM0_TEOCT		0x8200
250 #define ENETC_PM0_TOCT		0x8208
251 #define ENETC_PM0_TCRSE		0x8210
252 #define ENETC_PM0_TXPF		0x8218
253 #define ENETC_PM0_TFRM		0x8220
254 #define ENETC_PM0_TFCS		0x8228
255 #define ENETC_PM0_TVLAN		0x8230
256 #define ENETC_PM0_TERR		0x8238
257 #define ENETC_PM0_TUCA		0x8240
258 #define ENETC_PM0_TMCA		0x8248
259 #define ENETC_PM0_TBCA		0x8250
260 #define ENETC_PM0_TPKT		0x8260
261 #define ENETC_PM0_TUND		0x8268
262 #define ENETC_PM0_T127		0x8278
263 #define ENETC_PM0_T1023		0x8290
264 #define ENETC_PM0_T1518		0x8298
265 #define ENETC_PM0_TCNP		0x82C0
266 #define ENETC_PM0_TDFR		0x82D0
267 #define ENETC_PM0_TMCOL		0x82D8
268 #define ENETC_PM0_TSCOL		0x82E0
269 #define ENETC_PM0_TLCOL		0x82E8
270 #define ENETC_PM0_TECOL		0x82F0
271 
272 /* Port counters */
273 #define ENETC_PICDR(n)		(0x0700 + (n) * 8) /* n = [0..3] */
274 #define ENETC_PBFDSIR		0x0810
275 #define ENETC_PFDMSAPR		0x0814
276 #define ENETC_UFDMF		0x1680
277 #define ENETC_MFDMF		0x1684
278 #define ENETC_PUFDVFR		0x1780
279 #define ENETC_PMFDVFR		0x1784
280 #define ENETC_PBFDVFR		0x1788
281 
282 /** Global regs, offset: 2_0000h */
283 #define ENETC_GLOBAL_BASE	0x20000
284 #define ENETC_G_EIPBRR0		0x0bf8
285 #define ENETC_G_EIPBRR1		0x0bfc
286 #define ENETC_G_EPFBLPR(n)	(0xd00 + 4 * (n))
287 #define ENETC_G_EPFBLPR1_XGMII	0x80000000
288 
289 /* PCI device info */
290 struct enetc_hw {
291 	/* SI registers, used by all PCI functions */
292 	void __iomem *reg;
293 	/* Port registers, PF only */
294 	void __iomem *port;
295 	/* IP global registers, PF only */
296 	void __iomem *global;
297 };
298 
299 /* general register accessors */
300 #define enetc_rd_reg(reg)	ioread32((reg))
301 #define enetc_wr_reg(reg, val)	iowrite32((val), (reg))
302 #ifdef ioread64
303 #define enetc_rd_reg64(reg)	ioread64((reg))
304 #else
305 /* using this to read out stats on 32b systems */
306 static inline u64 enetc_rd_reg64(void __iomem *reg)
307 {
308 	u32 low, high, tmp;
309 
310 	do {
311 		high = ioread32(reg + 4);
312 		low = ioread32(reg);
313 		tmp = ioread32(reg + 4);
314 	} while (high != tmp);
315 
316 	return le64_to_cpu((__le64)high << 32 | low);
317 }
318 #endif
319 
320 #define enetc_rd(hw, off)		enetc_rd_reg((hw)->reg + (off))
321 #define enetc_wr(hw, off, val)		enetc_wr_reg((hw)->reg + (off), val)
322 #define enetc_rd64(hw, off)		enetc_rd_reg64((hw)->reg + (off))
323 /* port register accessors - PF only */
324 #define enetc_port_rd(hw, off)		enetc_rd_reg((hw)->port + (off))
325 #define enetc_port_wr(hw, off, val)	enetc_wr_reg((hw)->port + (off), val)
326 /* global register accessors - PF only */
327 #define enetc_global_rd(hw, off)	enetc_rd_reg((hw)->global + (off))
328 #define enetc_global_wr(hw, off, val)	enetc_wr_reg((hw)->global + (off), val)
329 /* BDR register accessors, see ENETC_BDR() */
330 #define enetc_bdr_rd(hw, t, n, off) \
331 				enetc_rd(hw, ENETC_BDR(t, n, off))
332 #define enetc_bdr_wr(hw, t, n, off, val) \
333 				enetc_wr(hw, ENETC_BDR(t, n, off), val)
334 #define enetc_txbdr_rd(hw, n, off) enetc_bdr_rd(hw, TX, n, off)
335 #define enetc_rxbdr_rd(hw, n, off) enetc_bdr_rd(hw, RX, n, off)
336 #define enetc_txbdr_wr(hw, n, off, val) \
337 				enetc_bdr_wr(hw, TX, n, off, val)
338 #define enetc_rxbdr_wr(hw, n, off, val) \
339 				enetc_bdr_wr(hw, RX, n, off, val)
340 
341 /* Buffer Descriptors (BD) */
342 union enetc_tx_bd {
343 	struct {
344 		__le64 addr;
345 		__le16 buf_len;
346 		__le16 frm_len;
347 		union {
348 			struct {
349 				__le16 l3_csoff;
350 				u8 l4_csoff;
351 				u8 flags;
352 			}; /* default layout */
353 			__le32 lstatus;
354 		};
355 	};
356 	struct {
357 		__le32 tstamp;
358 		__le16 tpid;
359 		__le16 vid;
360 		u8 reserved[6];
361 		u8 e_flags;
362 		u8 flags;
363 	} ext; /* Tx BD extension */
364 	struct {
365 		__le32 tstamp;
366 		u8 reserved[10];
367 		u8 status;
368 		u8 flags;
369 	} wb; /* writeback descriptor */
370 };
371 
372 #define ENETC_TXBD_FLAGS_L4CS	BIT(0)
373 #define ENETC_TXBD_FLAGS_W	BIT(2)
374 #define ENETC_TXBD_FLAGS_CSUM	BIT(3)
375 #define ENETC_TXBD_FLAGS_EX	BIT(6)
376 #define ENETC_TXBD_FLAGS_F	BIT(7)
377 
378 static inline void enetc_clear_tx_bd(union enetc_tx_bd *txbd)
379 {
380 	memset(txbd, 0, sizeof(*txbd));
381 }
382 
383 /* L3 csum flags */
384 #define ENETC_TXBD_L3_IPCS	BIT(7)
385 #define ENETC_TXBD_L3_IPV6	BIT(15)
386 
387 #define ENETC_TXBD_L3_START_MASK	GENMASK(6, 0)
388 #define ENETC_TXBD_L3_SET_HSIZE(val)	((((val) >> 2) & 0x7f) << 8)
389 
390 /* Extension flags */
391 #define ENETC_TXBD_E_FLAGS_VLAN_INS	BIT(0)
392 #define ENETC_TXBD_E_FLAGS_TWO_STEP_PTP	BIT(2)
393 
394 static inline __le16 enetc_txbd_l3_csoff(int start, int hdr_sz, u16 l3_flags)
395 {
396 	return cpu_to_le16(l3_flags | ENETC_TXBD_L3_SET_HSIZE(hdr_sz) |
397 			   (start & ENETC_TXBD_L3_START_MASK));
398 }
399 
400 /* L4 csum flags */
401 #define ENETC_TXBD_L4_UDP	BIT(5)
402 #define ENETC_TXBD_L4_TCP	BIT(6)
403 
404 union enetc_rx_bd {
405 	struct {
406 		__le64 addr;
407 		u8 reserved[8];
408 #ifdef CONFIG_FSL_ENETC_HW_TIMESTAMPING
409 		u8 reserved1[16];
410 #endif
411 	} w;
412 	struct {
413 		__le16 inet_csum;
414 		__le16 parse_summary;
415 		__le32 rss_hash;
416 		__le16 buf_len;
417 		__le16 vlan_opt;
418 		union {
419 			struct {
420 				__le16 flags;
421 				__le16 error;
422 			};
423 			__le32 lstatus;
424 		};
425 #ifdef CONFIG_FSL_ENETC_HW_TIMESTAMPING
426 		__le32 tstamp;
427 		u8 reserved[12];
428 #endif
429 	} r;
430 };
431 
432 #define ENETC_RXBD_LSTATUS_R	BIT(30)
433 #define ENETC_RXBD_LSTATUS_F	BIT(31)
434 #define ENETC_RXBD_ERR_MASK	0xff
435 #define ENETC_RXBD_LSTATUS(flags)	((flags) << 16)
436 #define ENETC_RXBD_FLAG_VLAN	BIT(9)
437 #define ENETC_RXBD_FLAG_TSTMP	BIT(10)
438 
439 #define ENETC_MAC_ADDR_FILT_CNT	8 /* # of supported entries per port */
440 #define EMETC_MAC_ADDR_FILT_RES	3 /* # of reserved entries at the beginning */
441 #define ENETC_MAX_NUM_VFS	2
442 
443 struct enetc_cbd {
444 	union {
445 		struct {
446 			__le32 addr[2];
447 			__le32 opt[4];
448 		};
449 		__le32 data[6];
450 	};
451 	__le16 index;
452 	__le16 length;
453 	u8 cmd;
454 	u8 cls;
455 	u8 _res;
456 	u8 status_flags;
457 };
458 
459 #define ENETC_CBD_FLAGS_SF	BIT(7) /* short format */
460 #define ENETC_CBD_STATUS_MASK	0xf
461 
462 struct enetc_cmd_rfse {
463 	u8 smac_h[6];
464 	u8 smac_m[6];
465 	u8 dmac_h[6];
466 	u8 dmac_m[6];
467 	u32 sip_h[4];
468 	u32 sip_m[4];
469 	u32 dip_h[4];
470 	u32 dip_m[4];
471 	u16 ethtype_h;
472 	u16 ethtype_m;
473 	u16 ethtype4_h;
474 	u16 ethtype4_m;
475 	u16 sport_h;
476 	u16 sport_m;
477 	u16 dport_h;
478 	u16 dport_m;
479 	u16 vlan_h;
480 	u16 vlan_m;
481 	u8 proto_h;
482 	u8 proto_m;
483 	u16 flags;
484 	u16 result;
485 	u16 mode;
486 };
487 
488 #define ENETC_RFSE_EN	BIT(15)
489 #define ENETC_RFSE_MODE_BD	2
490 
491 static inline void enetc_get_primary_mac_addr(struct enetc_hw *hw, u8 *addr)
492 {
493 	*(u32 *)addr = __raw_readl(hw->reg + ENETC_SIPMAR0);
494 	*(u16 *)(addr + 4) = __raw_readw(hw->reg + ENETC_SIPMAR1);
495 }
496 
497 #define ENETC_SI_INT_IDX	0
498 /* base index for Rx/Tx interrupts */
499 #define ENETC_BDR_INT_BASE_IDX	1
500 
501 /* Messaging */
502 
503 /* Command completion status */
504 enum enetc_msg_cmd_status {
505 	ENETC_MSG_CMD_STATUS_OK,
506 	ENETC_MSG_CMD_STATUS_FAIL
507 };
508 
509 /* VSI-PSI command message types */
510 enum enetc_msg_cmd_type {
511 	ENETC_MSG_CMD_MNG_MAC = 1, /* manage MAC address */
512 	ENETC_MSG_CMD_MNG_RX_MAC_FILTER,/* manage RX MAC table */
513 	ENETC_MSG_CMD_MNG_RX_VLAN_FILTER /* manage RX VLAN table */
514 };
515 
516 /* VSI-PSI command action types */
517 enum enetc_msg_cmd_action_type {
518 	ENETC_MSG_CMD_MNG_ADD = 1,
519 	ENETC_MSG_CMD_MNG_REMOVE
520 };
521 
522 /* PSI-VSI command header format */
523 struct enetc_msg_cmd_header {
524 	u16 type;	/* command class type */
525 	u16 id;		/* denotes the specific required action */
526 };
527 
528 /* Common H/W utility functions */
529 
530 static inline void enetc_enable_rxvlan(struct enetc_hw *hw, int si_idx,
531 				       bool en)
532 {
533 	u32 val = enetc_rxbdr_rd(hw, si_idx, ENETC_RBMR);
534 
535 	val = (val & ~ENETC_RBMR_VTE) | (en ? ENETC_RBMR_VTE : 0);
536 	enetc_rxbdr_wr(hw, si_idx, ENETC_RBMR, val);
537 }
538 
539 static inline void enetc_enable_txvlan(struct enetc_hw *hw, int si_idx,
540 				       bool en)
541 {
542 	u32 val = enetc_txbdr_rd(hw, si_idx, ENETC_TBMR);
543 
544 	val = (val & ~ENETC_TBMR_VIH) | (en ? ENETC_TBMR_VIH : 0);
545 	enetc_txbdr_wr(hw, si_idx, ENETC_TBMR, val);
546 }
547 
548 static inline void enetc_set_bdr_prio(struct enetc_hw *hw, int bdr_idx,
549 				      int prio)
550 {
551 	u32 val = enetc_txbdr_rd(hw, bdr_idx, ENETC_TBMR);
552 
553 	val &= ~ENETC_TBMR_PRIO_MASK;
554 	val |= ENETC_TBMR_SET_PRIO(prio);
555 	enetc_txbdr_wr(hw, bdr_idx, ENETC_TBMR, val);
556 }
557