1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2024 AIROHA Inc
6 #include <linux/etherdevice.h>
7 #include <linux/iopoll.h>
8 #include <linux/kernel.h>
9 #include <linux/netdevice.h>
11 #include <linux/of_net.h>
12 #include <linux/platform_device.h>
13 #include <linux/reset.h>
14 #include <linux/tcp.h>
15 #include <linux/u64_stats_sync.h>
17 #include <net/page_pool/helpers.h>
18 #include <net/pkt_cls.h>
19 #include <uapi/linux/ppp_defs.h>
21 #define AIROHA_MAX_NUM_GDM_PORTS 1
22 #define AIROHA_MAX_NUM_QDMA 2
23 #define AIROHA_MAX_NUM_RSTS 3
24 #define AIROHA_MAX_NUM_XSI_RSTS 5
25 #define AIROHA_MAX_MTU 2000
26 #define AIROHA_MAX_PACKET_SIZE 2048
27 #define AIROHA_NUM_QOS_CHANNELS 4
28 #define AIROHA_NUM_QOS_QUEUES 8
29 #define AIROHA_NUM_TX_RING 32
30 #define AIROHA_NUM_RX_RING 32
31 #define AIROHA_NUM_NETDEV_TX_RINGS (AIROHA_NUM_TX_RING + \
32 AIROHA_NUM_QOS_CHANNELS)
33 #define AIROHA_FE_MC_MAX_VLAN_TABLE 64
34 #define AIROHA_FE_MC_MAX_VLAN_PORT 16
35 #define AIROHA_NUM_TX_IRQ 2
36 #define HW_DSCP_NUM 2048
37 #define IRQ_QUEUE_LEN(_n) ((_n) ? 1024 : 2048)
38 #define TX_DSCP_NUM 1024
39 #define RX_DSCP_NUM(_n) \
43 (_n) == 0 ? 1024 : 16)
45 #define PSE_RSV_PAGES 128
46 #define PSE_QUEUE_RSV_PAGES 64
48 #define QDMA_METER_IDX(_n) ((_n) & 0xff)
49 #define QDMA_METER_GROUP(_n) (((_n) >> 8) & 0x3)
52 #define PSE_BASE 0x0100
53 #define CSR_IFC_BASE 0x0200
54 #define CDM1_BASE 0x0400
55 #define GDM1_BASE 0x0500
56 #define PPE1_BASE 0x0c00
58 #define CDM2_BASE 0x1400
59 #define GDM2_BASE 0x1500
61 #define GDM3_BASE 0x1100
62 #define GDM4_BASE 0x2500
64 #define GDM_BASE(_n) \
65 ((_n) == 4 ? GDM4_BASE : \
66 (_n) == 3 ? GDM3_BASE : \
67 (_n) == 2 ? GDM2_BASE : GDM1_BASE)
69 #define REG_FE_DMA_GLO_CFG 0x0000
70 #define FE_DMA_GLO_L2_SPACE_MASK GENMASK(7, 4)
71 #define FE_DMA_GLO_PG_SZ_MASK BIT(3)
73 #define REG_FE_RST_GLO_CFG 0x0004
74 #define FE_RST_GDM4_MBI_ARB_MASK BIT(3)
75 #define FE_RST_GDM3_MBI_ARB_MASK BIT(2)
76 #define FE_RST_CORE_MASK BIT(0)
78 #define REG_FE_WAN_MAC_H 0x0030
79 #define REG_FE_LAN_MAC_H 0x0040
81 #define REG_FE_MAC_LMIN(_n) ((_n) + 0x04)
82 #define REG_FE_MAC_LMAX(_n) ((_n) + 0x08)
84 #define REG_FE_CDM1_OQ_MAP0 0x0050
85 #define REG_FE_CDM1_OQ_MAP1 0x0054
86 #define REG_FE_CDM1_OQ_MAP2 0x0058
87 #define REG_FE_CDM1_OQ_MAP3 0x005c
89 #define REG_FE_PCE_CFG 0x0070
90 #define PCE_DPI_EN_MASK BIT(2)
91 #define PCE_KA_EN_MASK BIT(1)
92 #define PCE_MC_EN_MASK BIT(0)
94 #define REG_FE_PSE_QUEUE_CFG_WR 0x0080
95 #define PSE_CFG_PORT_ID_MASK GENMASK(27, 24)
96 #define PSE_CFG_QUEUE_ID_MASK GENMASK(20, 16)
97 #define PSE_CFG_WR_EN_MASK BIT(8)
98 #define PSE_CFG_OQRSV_SEL_MASK BIT(0)
100 #define REG_FE_PSE_QUEUE_CFG_VAL 0x0084
101 #define PSE_CFG_OQ_RSV_MASK GENMASK(13, 0)
103 #define PSE_FQ_CFG 0x008c
104 #define PSE_FQ_LIMIT_MASK GENMASK(14, 0)
106 #define REG_FE_PSE_BUF_SET 0x0090
107 #define PSE_SHARE_USED_LTHD_MASK GENMASK(31, 16)
108 #define PSE_ALLRSV_MASK GENMASK(14, 0)
110 #define REG_PSE_SHARE_USED_THD 0x0094
111 #define PSE_SHARE_USED_MTHD_MASK GENMASK(31, 16)
112 #define PSE_SHARE_USED_HTHD_MASK GENMASK(15, 0)
114 #define REG_GDM_MISC_CFG 0x0148
115 #define GDM2_RDM_ACK_WAIT_PREF_MASK BIT(9)
116 #define GDM2_CHN_VLD_MODE_MASK BIT(5)
118 #define REG_FE_CSR_IFC_CFG CSR_IFC_BASE
119 #define FE_IFC_EN_MASK BIT(0)
121 #define REG_FE_VIP_PORT_EN 0x01f0
122 #define REG_FE_IFC_PORT_EN 0x01f4
124 #define REG_PSE_IQ_REV1 (PSE_BASE + 0x08)
125 #define PSE_IQ_RES1_P2_MASK GENMASK(23, 16)
127 #define REG_PSE_IQ_REV2 (PSE_BASE + 0x0c)
128 #define PSE_IQ_RES2_P5_MASK GENMASK(15, 8)
129 #define PSE_IQ_RES2_P4_MASK GENMASK(7, 0)
131 #define REG_FE_VIP_EN(_n) (0x0300 + ((_n) << 3))
132 #define PATN_FCPU_EN_MASK BIT(7)
133 #define PATN_SWP_EN_MASK BIT(6)
134 #define PATN_DP_EN_MASK BIT(5)
135 #define PATN_SP_EN_MASK BIT(4)
136 #define PATN_TYPE_MASK GENMASK(3, 1)
137 #define PATN_EN_MASK BIT(0)
139 #define REG_FE_VIP_PATN(_n) (0x0304 + ((_n) << 3))
140 #define PATN_DP_MASK GENMASK(31, 16)
141 #define PATN_SP_MASK GENMASK(15, 0)
143 #define REG_CDM1_VLAN_CTRL CDM1_BASE
144 #define CDM1_VLAN_MASK GENMASK(31, 16)
146 #define REG_CDM1_FWD_CFG (CDM1_BASE + 0x08)
147 #define CDM1_VIP_QSEL_MASK GENMASK(24, 20)
149 #define REG_CDM1_CRSN_QSEL(_n) (CDM1_BASE + 0x10 + ((_n) << 2))
150 #define CDM1_CRSN_QSEL_REASON_MASK(_n) \
151 GENMASK(4 + (((_n) % 4) << 3), (((_n) % 4) << 3))
153 #define REG_CDM2_FWD_CFG (CDM2_BASE + 0x08)
154 #define CDM2_OAM_QSEL_MASK GENMASK(31, 27)
155 #define CDM2_VIP_QSEL_MASK GENMASK(24, 20)
157 #define REG_CDM2_CRSN_QSEL(_n) (CDM2_BASE + 0x10 + ((_n) << 2))
158 #define CDM2_CRSN_QSEL_REASON_MASK(_n) \
159 GENMASK(4 + (((_n) % 4) << 3), (((_n) % 4) << 3))
161 #define REG_GDM_FWD_CFG(_n) GDM_BASE(_n)
162 #define GDM_DROP_CRC_ERR BIT(23)
163 #define GDM_IP4_CKSUM BIT(22)
164 #define GDM_TCP_CKSUM BIT(21)
165 #define GDM_UDP_CKSUM BIT(20)
166 #define GDM_UCFQ_MASK GENMASK(15, 12)
167 #define GDM_BCFQ_MASK GENMASK(11, 8)
168 #define GDM_MCFQ_MASK GENMASK(7, 4)
169 #define GDM_OCFQ_MASK GENMASK(3, 0)
171 #define REG_GDM_INGRESS_CFG(_n) (GDM_BASE(_n) + 0x10)
172 #define GDM_INGRESS_FC_EN_MASK BIT(1)
173 #define GDM_STAG_EN_MASK BIT(0)
175 #define REG_GDM_LEN_CFG(_n) (GDM_BASE(_n) + 0x14)
176 #define GDM_SHORT_LEN_MASK GENMASK(13, 0)
177 #define GDM_LONG_LEN_MASK GENMASK(29, 16)
179 #define REG_FE_CPORT_CFG (GDM1_BASE + 0x40)
180 #define FE_CPORT_PAD BIT(26)
181 #define FE_CPORT_PORT_XFC_MASK BIT(25)
182 #define FE_CPORT_QUEUE_XFC_MASK BIT(24)
184 #define REG_FE_GDM_MIB_CLEAR(_n) (GDM_BASE(_n) + 0xf0)
185 #define FE_GDM_MIB_RX_CLEAR_MASK BIT(1)
186 #define FE_GDM_MIB_TX_CLEAR_MASK BIT(0)
188 #define REG_FE_GDM1_MIB_CFG (GDM1_BASE + 0xf4)
189 #define FE_STRICT_RFC2819_MODE_MASK BIT(31)
190 #define FE_GDM1_TX_MIB_SPLIT_EN_MASK BIT(17)
191 #define FE_GDM1_RX_MIB_SPLIT_EN_MASK BIT(16)
192 #define FE_TX_MIB_ID_MASK GENMASK(15, 8)
193 #define FE_RX_MIB_ID_MASK GENMASK(7, 0)
195 #define REG_FE_GDM_TX_OK_PKT_CNT_L(_n) (GDM_BASE(_n) + 0x104)
196 #define REG_FE_GDM_TX_OK_BYTE_CNT_L(_n) (GDM_BASE(_n) + 0x10c)
197 #define REG_FE_GDM_TX_ETH_PKT_CNT_L(_n) (GDM_BASE(_n) + 0x110)
198 #define REG_FE_GDM_TX_ETH_BYTE_CNT_L(_n) (GDM_BASE(_n) + 0x114)
199 #define REG_FE_GDM_TX_ETH_DROP_CNT(_n) (GDM_BASE(_n) + 0x118)
200 #define REG_FE_GDM_TX_ETH_BC_CNT(_n) (GDM_BASE(_n) + 0x11c)
201 #define REG_FE_GDM_TX_ETH_MC_CNT(_n) (GDM_BASE(_n) + 0x120)
202 #define REG_FE_GDM_TX_ETH_RUNT_CNT(_n) (GDM_BASE(_n) + 0x124)
203 #define REG_FE_GDM_TX_ETH_LONG_CNT(_n) (GDM_BASE(_n) + 0x128)
204 #define REG_FE_GDM_TX_ETH_E64_CNT_L(_n) (GDM_BASE(_n) + 0x12c)
205 #define REG_FE_GDM_TX_ETH_L64_CNT_L(_n) (GDM_BASE(_n) + 0x130)
206 #define REG_FE_GDM_TX_ETH_L127_CNT_L(_n) (GDM_BASE(_n) + 0x134)
207 #define REG_FE_GDM_TX_ETH_L255_CNT_L(_n) (GDM_BASE(_n) + 0x138)
208 #define REG_FE_GDM_TX_ETH_L511_CNT_L(_n) (GDM_BASE(_n) + 0x13c)
209 #define REG_FE_GDM_TX_ETH_L1023_CNT_L(_n) (GDM_BASE(_n) + 0x140)
211 #define REG_FE_GDM_RX_OK_PKT_CNT_L(_n) (GDM_BASE(_n) + 0x148)
212 #define REG_FE_GDM_RX_FC_DROP_CNT(_n) (GDM_BASE(_n) + 0x14c)
213 #define REG_FE_GDM_RX_RC_DROP_CNT(_n) (GDM_BASE(_n) + 0x150)
214 #define REG_FE_GDM_RX_OVERFLOW_DROP_CNT(_n) (GDM_BASE(_n) + 0x154)
215 #define REG_FE_GDM_RX_ERROR_DROP_CNT(_n) (GDM_BASE(_n) + 0x158)
216 #define REG_FE_GDM_RX_OK_BYTE_CNT_L(_n) (GDM_BASE(_n) + 0x15c)
217 #define REG_FE_GDM_RX_ETH_PKT_CNT_L(_n) (GDM_BASE(_n) + 0x160)
218 #define REG_FE_GDM_RX_ETH_BYTE_CNT_L(_n) (GDM_BASE(_n) + 0x164)
219 #define REG_FE_GDM_RX_ETH_DROP_CNT(_n) (GDM_BASE(_n) + 0x168)
220 #define REG_FE_GDM_RX_ETH_BC_CNT(_n) (GDM_BASE(_n) + 0x16c)
221 #define REG_FE_GDM_RX_ETH_MC_CNT(_n) (GDM_BASE(_n) + 0x170)
222 #define REG_FE_GDM_RX_ETH_CRC_ERR_CNT(_n) (GDM_BASE(_n) + 0x174)
223 #define REG_FE_GDM_RX_ETH_FRAG_CNT(_n) (GDM_BASE(_n) + 0x178)
224 #define REG_FE_GDM_RX_ETH_JABBER_CNT(_n) (GDM_BASE(_n) + 0x17c)
225 #define REG_FE_GDM_RX_ETH_RUNT_CNT(_n) (GDM_BASE(_n) + 0x180)
226 #define REG_FE_GDM_RX_ETH_LONG_CNT(_n) (GDM_BASE(_n) + 0x184)
227 #define REG_FE_GDM_RX_ETH_E64_CNT_L(_n) (GDM_BASE(_n) + 0x188)
228 #define REG_FE_GDM_RX_ETH_L64_CNT_L(_n) (GDM_BASE(_n) + 0x18c)
229 #define REG_FE_GDM_RX_ETH_L127_CNT_L(_n) (GDM_BASE(_n) + 0x190)
230 #define REG_FE_GDM_RX_ETH_L255_CNT_L(_n) (GDM_BASE(_n) + 0x194)
231 #define REG_FE_GDM_RX_ETH_L511_CNT_L(_n) (GDM_BASE(_n) + 0x198)
232 #define REG_FE_GDM_RX_ETH_L1023_CNT_L(_n) (GDM_BASE(_n) + 0x19c)
234 #define REG_PPE1_TB_HASH_CFG (PPE1_BASE + 0x250)
235 #define PPE1_SRAM_TABLE_EN_MASK BIT(0)
236 #define PPE1_SRAM_HASH1_EN_MASK BIT(8)
237 #define PPE1_DRAM_TABLE_EN_MASK BIT(16)
238 #define PPE1_DRAM_HASH1_EN_MASK BIT(24)
240 #define REG_FE_GDM_TX_OK_PKT_CNT_H(_n) (GDM_BASE(_n) + 0x280)
241 #define REG_FE_GDM_TX_OK_BYTE_CNT_H(_n) (GDM_BASE(_n) + 0x284)
242 #define REG_FE_GDM_TX_ETH_PKT_CNT_H(_n) (GDM_BASE(_n) + 0x288)
243 #define REG_FE_GDM_TX_ETH_BYTE_CNT_H(_n) (GDM_BASE(_n) + 0x28c)
245 #define REG_FE_GDM_RX_OK_PKT_CNT_H(_n) (GDM_BASE(_n) + 0x290)
246 #define REG_FE_GDM_RX_OK_BYTE_CNT_H(_n) (GDM_BASE(_n) + 0x294)
247 #define REG_FE_GDM_RX_ETH_PKT_CNT_H(_n) (GDM_BASE(_n) + 0x298)
248 #define REG_FE_GDM_RX_ETH_BYTE_CNT_H(_n) (GDM_BASE(_n) + 0x29c)
249 #define REG_FE_GDM_TX_ETH_E64_CNT_H(_n) (GDM_BASE(_n) + 0x2b8)
250 #define REG_FE_GDM_TX_ETH_L64_CNT_H(_n) (GDM_BASE(_n) + 0x2bc)
251 #define REG_FE_GDM_TX_ETH_L127_CNT_H(_n) (GDM_BASE(_n) + 0x2c0)
252 #define REG_FE_GDM_TX_ETH_L255_CNT_H(_n) (GDM_BASE(_n) + 0x2c4)
253 #define REG_FE_GDM_TX_ETH_L511_CNT_H(_n) (GDM_BASE(_n) + 0x2c8)
254 #define REG_FE_GDM_TX_ETH_L1023_CNT_H(_n) (GDM_BASE(_n) + 0x2cc)
255 #define REG_FE_GDM_RX_ETH_E64_CNT_H(_n) (GDM_BASE(_n) + 0x2e8)
256 #define REG_FE_GDM_RX_ETH_L64_CNT_H(_n) (GDM_BASE(_n) + 0x2ec)
257 #define REG_FE_GDM_RX_ETH_L127_CNT_H(_n) (GDM_BASE(_n) + 0x2f0)
258 #define REG_FE_GDM_RX_ETH_L255_CNT_H(_n) (GDM_BASE(_n) + 0x2f4)
259 #define REG_FE_GDM_RX_ETH_L511_CNT_H(_n) (GDM_BASE(_n) + 0x2f8)
260 #define REG_FE_GDM_RX_ETH_L1023_CNT_H(_n) (GDM_BASE(_n) + 0x2fc)
262 #define REG_GDM2_CHN_RLS (GDM2_BASE + 0x20)
263 #define MBI_RX_AGE_SEL_MASK GENMASK(26, 25)
264 #define MBI_TX_AGE_SEL_MASK GENMASK(18, 17)
266 #define REG_GDM3_FWD_CFG GDM3_BASE
267 #define GDM3_PAD_EN_MASK BIT(28)
269 #define REG_GDM4_FWD_CFG GDM4_BASE
270 #define GDM4_PAD_EN_MASK BIT(28)
271 #define GDM4_SPORT_OFFSET0_MASK GENMASK(11, 8)
273 #define REG_GDM4_SRC_PORT_SET (GDM4_BASE + 0x23c)
274 #define GDM4_SPORT_OFF2_MASK GENMASK(19, 16)
275 #define GDM4_SPORT_OFF1_MASK GENMASK(15, 12)
276 #define GDM4_SPORT_OFF0_MASK GENMASK(11, 8)
278 #define REG_IP_FRAG_FP 0x2010
279 #define IP_ASSEMBLE_PORT_MASK GENMASK(24, 21)
280 #define IP_ASSEMBLE_NBQ_MASK GENMASK(20, 16)
281 #define IP_FRAGMENT_PORT_MASK GENMASK(8, 5)
282 #define IP_FRAGMENT_NBQ_MASK GENMASK(4, 0)
284 #define REG_MC_VLAN_EN 0x2100
285 #define MC_VLAN_EN_MASK BIT(0)
287 #define REG_MC_VLAN_CFG 0x2104
288 #define MC_VLAN_CFG_CMD_DONE_MASK BIT(31)
289 #define MC_VLAN_CFG_TABLE_ID_MASK GENMASK(21, 16)
290 #define MC_VLAN_CFG_PORT_ID_MASK GENMASK(11, 8)
291 #define MC_VLAN_CFG_TABLE_SEL_MASK BIT(4)
292 #define MC_VLAN_CFG_RW_MASK BIT(0)
294 #define REG_MC_VLAN_DATA 0x2108
296 #define REG_CDM5_RX_OQ1_DROP_CNT 0x29d4
299 #define REG_QDMA_GLOBAL_CFG 0x0004
300 #define GLOBAL_CFG_RX_2B_OFFSET_MASK BIT(31)
301 #define GLOBAL_CFG_DMA_PREFERENCE_MASK GENMASK(30, 29)
302 #define GLOBAL_CFG_CPU_TXR_RR_MASK BIT(28)
303 #define GLOBAL_CFG_DSCP_BYTE_SWAP_MASK BIT(27)
304 #define GLOBAL_CFG_PAYLOAD_BYTE_SWAP_MASK BIT(26)
305 #define GLOBAL_CFG_MULTICAST_MODIFY_FP_MASK BIT(25)
306 #define GLOBAL_CFG_OAM_MODIFY_MASK BIT(24)
307 #define GLOBAL_CFG_RESET_MASK BIT(23)
308 #define GLOBAL_CFG_RESET_DONE_MASK BIT(22)
309 #define GLOBAL_CFG_MULTICAST_EN_MASK BIT(21)
310 #define GLOBAL_CFG_IRQ1_EN_MASK BIT(20)
311 #define GLOBAL_CFG_IRQ0_EN_MASK BIT(19)
312 #define GLOBAL_CFG_LOOPCNT_EN_MASK BIT(18)
313 #define GLOBAL_CFG_RD_BYPASS_WR_MASK BIT(17)
314 #define GLOBAL_CFG_QDMA_LOOPBACK_MASK BIT(16)
315 #define GLOBAL_CFG_LPBK_RXQ_SEL_MASK GENMASK(13, 8)
316 #define GLOBAL_CFG_CHECK_DONE_MASK BIT(7)
317 #define GLOBAL_CFG_TX_WB_DONE_MASK BIT(6)
318 #define GLOBAL_CFG_MAX_ISSUE_NUM_MASK GENMASK(5, 4)
319 #define GLOBAL_CFG_RX_DMA_BUSY_MASK BIT(3)
320 #define GLOBAL_CFG_RX_DMA_EN_MASK BIT(2)
321 #define GLOBAL_CFG_TX_DMA_BUSY_MASK BIT(1)
322 #define GLOBAL_CFG_TX_DMA_EN_MASK BIT(0)
324 #define REG_FWD_DSCP_BASE 0x0010
325 #define REG_FWD_BUF_BASE 0x0014
327 #define REG_HW_FWD_DSCP_CFG 0x0018
328 #define HW_FWD_DSCP_PAYLOAD_SIZE_MASK GENMASK(29, 28)
329 #define HW_FWD_DSCP_SCATTER_LEN_MASK GENMASK(17, 16)
330 #define HW_FWD_DSCP_MIN_SCATTER_LEN_MASK GENMASK(15, 0)
332 #define REG_INT_STATUS(_n) \
333 (((_n) == 4) ? 0x0730 : \
334 ((_n) == 3) ? 0x0724 : \
335 ((_n) == 2) ? 0x0720 : \
336 ((_n) == 1) ? 0x0024 : 0x0020)
338 #define REG_INT_ENABLE(_n) \
339 (((_n) == 4) ? 0x0750 : \
340 ((_n) == 3) ? 0x0744 : \
341 ((_n) == 2) ? 0x0740 : \
342 ((_n) == 1) ? 0x002c : 0x0028)
344 /* QDMA_CSR_INT_ENABLE1 */
345 #define RX15_COHERENT_INT_MASK BIT(31)
346 #define RX14_COHERENT_INT_MASK BIT(30)
347 #define RX13_COHERENT_INT_MASK BIT(29)
348 #define RX12_COHERENT_INT_MASK BIT(28)
349 #define RX11_COHERENT_INT_MASK BIT(27)
350 #define RX10_COHERENT_INT_MASK BIT(26)
351 #define RX9_COHERENT_INT_MASK BIT(25)
352 #define RX8_COHERENT_INT_MASK BIT(24)
353 #define RX7_COHERENT_INT_MASK BIT(23)
354 #define RX6_COHERENT_INT_MASK BIT(22)
355 #define RX5_COHERENT_INT_MASK BIT(21)
356 #define RX4_COHERENT_INT_MASK BIT(20)
357 #define RX3_COHERENT_INT_MASK BIT(19)
358 #define RX2_COHERENT_INT_MASK BIT(18)
359 #define RX1_COHERENT_INT_MASK BIT(17)
360 #define RX0_COHERENT_INT_MASK BIT(16)
361 #define TX7_COHERENT_INT_MASK BIT(15)
362 #define TX6_COHERENT_INT_MASK BIT(14)
363 #define TX5_COHERENT_INT_MASK BIT(13)
364 #define TX4_COHERENT_INT_MASK BIT(12)
365 #define TX3_COHERENT_INT_MASK BIT(11)
366 #define TX2_COHERENT_INT_MASK BIT(10)
367 #define TX1_COHERENT_INT_MASK BIT(9)
368 #define TX0_COHERENT_INT_MASK BIT(8)
369 #define CNT_OVER_FLOW_INT_MASK BIT(7)
370 #define IRQ1_FULL_INT_MASK BIT(5)
371 #define IRQ1_INT_MASK BIT(4)
372 #define HWFWD_DSCP_LOW_INT_MASK BIT(3)
373 #define HWFWD_DSCP_EMPTY_INT_MASK BIT(2)
374 #define IRQ0_FULL_INT_MASK BIT(1)
375 #define IRQ0_INT_MASK BIT(0)
377 #define TX_DONE_INT_MASK(_n) \
378 ((_n) ? IRQ1_INT_MASK | IRQ1_FULL_INT_MASK \
379 : IRQ0_INT_MASK | IRQ0_FULL_INT_MASK)
381 #define INT_TX_MASK \
382 (IRQ1_INT_MASK | IRQ1_FULL_INT_MASK | \
383 IRQ0_INT_MASK | IRQ0_FULL_INT_MASK)
385 #define INT_IDX0_MASK \
386 (TX0_COHERENT_INT_MASK | TX1_COHERENT_INT_MASK | \
387 TX2_COHERENT_INT_MASK | TX3_COHERENT_INT_MASK | \
388 TX4_COHERENT_INT_MASK | TX5_COHERENT_INT_MASK | \
389 TX6_COHERENT_INT_MASK | TX7_COHERENT_INT_MASK | \
390 RX0_COHERENT_INT_MASK | RX1_COHERENT_INT_MASK | \
391 RX2_COHERENT_INT_MASK | RX3_COHERENT_INT_MASK | \
392 RX4_COHERENT_INT_MASK | RX7_COHERENT_INT_MASK | \
393 RX8_COHERENT_INT_MASK | RX9_COHERENT_INT_MASK | \
394 RX15_COHERENT_INT_MASK | INT_TX_MASK)
396 /* QDMA_CSR_INT_ENABLE2 */
397 #define RX15_NO_CPU_DSCP_INT_MASK BIT(31)
398 #define RX14_NO_CPU_DSCP_INT_MASK BIT(30)
399 #define RX13_NO_CPU_DSCP_INT_MASK BIT(29)
400 #define RX12_NO_CPU_DSCP_INT_MASK BIT(28)
401 #define RX11_NO_CPU_DSCP_INT_MASK BIT(27)
402 #define RX10_NO_CPU_DSCP_INT_MASK BIT(26)
403 #define RX9_NO_CPU_DSCP_INT_MASK BIT(25)
404 #define RX8_NO_CPU_DSCP_INT_MASK BIT(24)
405 #define RX7_NO_CPU_DSCP_INT_MASK BIT(23)
406 #define RX6_NO_CPU_DSCP_INT_MASK BIT(22)
407 #define RX5_NO_CPU_DSCP_INT_MASK BIT(21)
408 #define RX4_NO_CPU_DSCP_INT_MASK BIT(20)
409 #define RX3_NO_CPU_DSCP_INT_MASK BIT(19)
410 #define RX2_NO_CPU_DSCP_INT_MASK BIT(18)
411 #define RX1_NO_CPU_DSCP_INT_MASK BIT(17)
412 #define RX0_NO_CPU_DSCP_INT_MASK BIT(16)
413 #define RX15_DONE_INT_MASK BIT(15)
414 #define RX14_DONE_INT_MASK BIT(14)
415 #define RX13_DONE_INT_MASK BIT(13)
416 #define RX12_DONE_INT_MASK BIT(12)
417 #define RX11_DONE_INT_MASK BIT(11)
418 #define RX10_DONE_INT_MASK BIT(10)
419 #define RX9_DONE_INT_MASK BIT(9)
420 #define RX8_DONE_INT_MASK BIT(8)
421 #define RX7_DONE_INT_MASK BIT(7)
422 #define RX6_DONE_INT_MASK BIT(6)
423 #define RX5_DONE_INT_MASK BIT(5)
424 #define RX4_DONE_INT_MASK BIT(4)
425 #define RX3_DONE_INT_MASK BIT(3)
426 #define RX2_DONE_INT_MASK BIT(2)
427 #define RX1_DONE_INT_MASK BIT(1)
428 #define RX0_DONE_INT_MASK BIT(0)
430 #define RX_DONE_INT_MASK \
431 (RX0_DONE_INT_MASK | RX1_DONE_INT_MASK | \
432 RX2_DONE_INT_MASK | RX3_DONE_INT_MASK | \
433 RX4_DONE_INT_MASK | RX7_DONE_INT_MASK | \
434 RX8_DONE_INT_MASK | RX9_DONE_INT_MASK | \
436 #define INT_IDX1_MASK \
437 (RX_DONE_INT_MASK | \
438 RX0_NO_CPU_DSCP_INT_MASK | RX1_NO_CPU_DSCP_INT_MASK | \
439 RX2_NO_CPU_DSCP_INT_MASK | RX3_NO_CPU_DSCP_INT_MASK | \
440 RX4_NO_CPU_DSCP_INT_MASK | RX7_NO_CPU_DSCP_INT_MASK | \
441 RX8_NO_CPU_DSCP_INT_MASK | RX9_NO_CPU_DSCP_INT_MASK | \
442 RX15_NO_CPU_DSCP_INT_MASK)
444 /* QDMA_CSR_INT_ENABLE5 */
445 #define TX31_COHERENT_INT_MASK BIT(31)
446 #define TX30_COHERENT_INT_MASK BIT(30)
447 #define TX29_COHERENT_INT_MASK BIT(29)
448 #define TX28_COHERENT_INT_MASK BIT(28)
449 #define TX27_COHERENT_INT_MASK BIT(27)
450 #define TX26_COHERENT_INT_MASK BIT(26)
451 #define TX25_COHERENT_INT_MASK BIT(25)
452 #define TX24_COHERENT_INT_MASK BIT(24)
453 #define TX23_COHERENT_INT_MASK BIT(23)
454 #define TX22_COHERENT_INT_MASK BIT(22)
455 #define TX21_COHERENT_INT_MASK BIT(21)
456 #define TX20_COHERENT_INT_MASK BIT(20)
457 #define TX19_COHERENT_INT_MASK BIT(19)
458 #define TX18_COHERENT_INT_MASK BIT(18)
459 #define TX17_COHERENT_INT_MASK BIT(17)
460 #define TX16_COHERENT_INT_MASK BIT(16)
461 #define TX15_COHERENT_INT_MASK BIT(15)
462 #define TX14_COHERENT_INT_MASK BIT(14)
463 #define TX13_COHERENT_INT_MASK BIT(13)
464 #define TX12_COHERENT_INT_MASK BIT(12)
465 #define TX11_COHERENT_INT_MASK BIT(11)
466 #define TX10_COHERENT_INT_MASK BIT(10)
467 #define TX9_COHERENT_INT_MASK BIT(9)
468 #define TX8_COHERENT_INT_MASK BIT(8)
470 #define INT_IDX4_MASK \
471 (TX8_COHERENT_INT_MASK | TX9_COHERENT_INT_MASK | \
472 TX10_COHERENT_INT_MASK | TX11_COHERENT_INT_MASK | \
473 TX12_COHERENT_INT_MASK | TX13_COHERENT_INT_MASK | \
474 TX14_COHERENT_INT_MASK | TX15_COHERENT_INT_MASK | \
475 TX16_COHERENT_INT_MASK | TX17_COHERENT_INT_MASK | \
476 TX18_COHERENT_INT_MASK | TX19_COHERENT_INT_MASK | \
477 TX20_COHERENT_INT_MASK | TX21_COHERENT_INT_MASK | \
478 TX22_COHERENT_INT_MASK | TX23_COHERENT_INT_MASK | \
479 TX24_COHERENT_INT_MASK | TX25_COHERENT_INT_MASK | \
480 TX26_COHERENT_INT_MASK | TX27_COHERENT_INT_MASK | \
481 TX28_COHERENT_INT_MASK | TX29_COHERENT_INT_MASK | \
482 TX30_COHERENT_INT_MASK | TX31_COHERENT_INT_MASK)
484 #define REG_TX_IRQ_BASE(_n) ((_n) ? 0x0048 : 0x0050)
486 #define REG_TX_IRQ_CFG(_n) ((_n) ? 0x004c : 0x0054)
487 #define TX_IRQ_THR_MASK GENMASK(27, 16)
488 #define TX_IRQ_DEPTH_MASK GENMASK(11, 0)
490 #define REG_IRQ_CLEAR_LEN(_n) ((_n) ? 0x0064 : 0x0058)
491 #define IRQ_CLEAR_LEN_MASK GENMASK(7, 0)
493 #define REG_IRQ_STATUS(_n) ((_n) ? 0x0068 : 0x005c)
494 #define IRQ_ENTRY_LEN_MASK GENMASK(27, 16)
495 #define IRQ_HEAD_IDX_MASK GENMASK(11, 0)
497 #define REG_TX_RING_BASE(_n) \
498 (((_n) < 8) ? 0x0100 + ((_n) << 5) : 0x0b00 + (((_n) - 8) << 5))
500 #define REG_TX_RING_BLOCKING(_n) \
501 (((_n) < 8) ? 0x0104 + ((_n) << 5) : 0x0b04 + (((_n) - 8) << 5))
503 #define TX_RING_IRQ_BLOCKING_MAP_MASK BIT(6)
504 #define TX_RING_IRQ_BLOCKING_CFG_MASK BIT(4)
505 #define TX_RING_IRQ_BLOCKING_TX_DROP_EN_MASK BIT(2)
506 #define TX_RING_IRQ_BLOCKING_MAX_TH_TXRING_EN_MASK BIT(1)
507 #define TX_RING_IRQ_BLOCKING_MIN_TH_TXRING_EN_MASK BIT(0)
509 #define REG_TX_CPU_IDX(_n) \
510 (((_n) < 8) ? 0x0108 + ((_n) << 5) : 0x0b08 + (((_n) - 8) << 5))
512 #define TX_RING_CPU_IDX_MASK GENMASK(15, 0)
514 #define REG_TX_DMA_IDX(_n) \
515 (((_n) < 8) ? 0x010c + ((_n) << 5) : 0x0b0c + (((_n) - 8) << 5))
517 #define TX_RING_DMA_IDX_MASK GENMASK(15, 0)
519 #define IRQ_RING_IDX_MASK GENMASK(20, 16)
520 #define IRQ_DESC_IDX_MASK GENMASK(15, 0)
522 #define REG_RX_RING_BASE(_n) \
523 (((_n) < 16) ? 0x0200 + ((_n) << 5) : 0x0e00 + (((_n) - 16) << 5))
525 #define REG_RX_RING_SIZE(_n) \
526 (((_n) < 16) ? 0x0204 + ((_n) << 5) : 0x0e04 + (((_n) - 16) << 5))
528 #define RX_RING_THR_MASK GENMASK(31, 16)
529 #define RX_RING_SIZE_MASK GENMASK(15, 0)
531 #define REG_RX_CPU_IDX(_n) \
532 (((_n) < 16) ? 0x0208 + ((_n) << 5) : 0x0e08 + (((_n) - 16) << 5))
534 #define RX_RING_CPU_IDX_MASK GENMASK(15, 0)
536 #define REG_RX_DMA_IDX(_n) \
537 (((_n) < 16) ? 0x020c + ((_n) << 5) : 0x0e0c + (((_n) - 16) << 5))
539 #define REG_RX_DELAY_INT_IDX(_n) \
540 (((_n) < 16) ? 0x0210 + ((_n) << 5) : 0x0e10 + (((_n) - 16) << 5))
542 #define RX_DELAY_INT_MASK GENMASK(15, 0)
544 #define RX_RING_DMA_IDX_MASK GENMASK(15, 0)
546 #define REG_INGRESS_TRTCM_CFG 0x0070
547 #define INGRESS_TRTCM_EN_MASK BIT(31)
548 #define INGRESS_TRTCM_MODE_MASK BIT(30)
549 #define INGRESS_SLOW_TICK_RATIO_MASK GENMASK(29, 16)
550 #define INGRESS_FAST_TICK_MASK GENMASK(15, 0)
552 #define REG_QUEUE_CLOSE_CFG(_n) (0x00a0 + ((_n) & 0xfc))
553 #define TXQ_DISABLE_CHAN_QUEUE_MASK(_n, _m) BIT((_m) + (((_n) & 0x3) << 3))
555 #define REG_TXQ_DIS_CFG_BASE(_n) ((_n) ? 0x20a0 : 0x00a0)
556 #define REG_TXQ_DIS_CFG(_n, _m) (REG_TXQ_DIS_CFG_BASE((_n)) + (_m) << 2)
558 #define REG_CNTR_CFG(_n) (0x0400 + ((_n) << 3))
559 #define CNTR_EN_MASK BIT(31)
560 #define CNTR_ALL_CHAN_EN_MASK BIT(30)
561 #define CNTR_ALL_QUEUE_EN_MASK BIT(29)
562 #define CNTR_ALL_DSCP_RING_EN_MASK BIT(28)
563 #define CNTR_SRC_MASK GENMASK(27, 24)
564 #define CNTR_DSCP_RING_MASK GENMASK(20, 16)
565 #define CNTR_CHAN_MASK GENMASK(7, 3)
566 #define CNTR_QUEUE_MASK GENMASK(2, 0)
568 #define REG_CNTR_VAL(_n) (0x0404 + ((_n) << 3))
570 #define REG_LMGR_INIT_CFG 0x1000
571 #define LMGR_INIT_START BIT(31)
572 #define LMGR_SRAM_MODE_MASK BIT(30)
573 #define HW_FWD_PKTSIZE_OVERHEAD_MASK GENMASK(27, 20)
574 #define HW_FWD_DESC_NUM_MASK GENMASK(16, 0)
576 #define REG_FWD_DSCP_LOW_THR 0x1004
577 #define FWD_DSCP_LOW_THR_MASK GENMASK(17, 0)
579 #define REG_EGRESS_RATE_METER_CFG 0x100c
580 #define EGRESS_RATE_METER_EN_MASK BIT(31)
581 #define EGRESS_RATE_METER_EQ_RATE_EN_MASK BIT(17)
582 #define EGRESS_RATE_METER_WINDOW_SZ_MASK GENMASK(16, 12)
583 #define EGRESS_RATE_METER_TIMESLICE_MASK GENMASK(10, 0)
585 #define REG_EGRESS_TRTCM_CFG 0x1010
586 #define EGRESS_TRTCM_EN_MASK BIT(31)
587 #define EGRESS_TRTCM_MODE_MASK BIT(30)
588 #define EGRESS_SLOW_TICK_RATIO_MASK GENMASK(29, 16)
589 #define EGRESS_FAST_TICK_MASK GENMASK(15, 0)
591 #define TRTCM_PARAM_RW_MASK BIT(31)
592 #define TRTCM_PARAM_RW_DONE_MASK BIT(30)
593 #define TRTCM_PARAM_TYPE_MASK GENMASK(29, 28)
594 #define TRTCM_METER_GROUP_MASK GENMASK(27, 26)
595 #define TRTCM_PARAM_INDEX_MASK GENMASK(23, 17)
596 #define TRTCM_PARAM_RATE_TYPE_MASK BIT(16)
598 #define REG_TRTCM_CFG_PARAM(_n) ((_n) + 0x4)
599 #define REG_TRTCM_DATA_LOW(_n) ((_n) + 0x8)
600 #define REG_TRTCM_DATA_HIGH(_n) ((_n) + 0xc)
602 #define REG_TXWRR_MODE_CFG 0x1020
603 #define TWRR_WEIGHT_SCALE_MASK BIT(31)
604 #define TWRR_WEIGHT_BASE_MASK BIT(3)
606 #define REG_TXWRR_WEIGHT_CFG 0x1024
607 #define TWRR_RW_CMD_MASK BIT(31)
608 #define TWRR_RW_CMD_DONE BIT(30)
609 #define TWRR_CHAN_IDX_MASK GENMASK(23, 19)
610 #define TWRR_QUEUE_IDX_MASK GENMASK(18, 16)
611 #define TWRR_VALUE_MASK GENMASK(15, 0)
613 #define REG_PSE_BUF_USAGE_CFG 0x1028
614 #define PSE_BUF_ESTIMATE_EN_MASK BIT(29)
616 #define REG_CHAN_QOS_MODE(_n) (0x1040 + ((_n) << 2))
617 #define CHAN_QOS_MODE_MASK(_n) GENMASK(2 + ((_n) << 2), (_n) << 2)
619 #define REG_GLB_TRTCM_CFG 0x1080
620 #define GLB_TRTCM_EN_MASK BIT(31)
621 #define GLB_TRTCM_MODE_MASK BIT(30)
622 #define GLB_SLOW_TICK_RATIO_MASK GENMASK(29, 16)
623 #define GLB_FAST_TICK_MASK GENMASK(15, 0)
625 #define REG_TXQ_CNGST_CFG 0x10a0
626 #define TXQ_CNGST_DROP_EN BIT(31)
627 #define TXQ_CNGST_DEI_DROP_EN BIT(30)
629 #define REG_SLA_TRTCM_CFG 0x1150
630 #define SLA_TRTCM_EN_MASK BIT(31)
631 #define SLA_TRTCM_MODE_MASK BIT(30)
632 #define SLA_SLOW_TICK_RATIO_MASK GENMASK(29, 16)
633 #define SLA_FAST_TICK_MASK GENMASK(15, 0)
636 #define QDMA_DESC_DONE_MASK BIT(31)
637 #define QDMA_DESC_DROP_MASK BIT(30) /* tx: drop - rx: overflow */
638 #define QDMA_DESC_MORE_MASK BIT(29) /* more SG elements */
639 #define QDMA_DESC_DEI_MASK BIT(25)
640 #define QDMA_DESC_NO_DROP_MASK BIT(24)
641 #define QDMA_DESC_LEN_MASK GENMASK(15, 0)
643 #define QDMA_DESC_NEXT_ID_MASK GENMASK(15, 0)
645 #define QDMA_ETH_TXMSG_MIC_IDX_MASK BIT(30)
646 #define QDMA_ETH_TXMSG_SP_TAG_MASK GENMASK(29, 14)
647 #define QDMA_ETH_TXMSG_ICO_MASK BIT(13)
648 #define QDMA_ETH_TXMSG_UCO_MASK BIT(12)
649 #define QDMA_ETH_TXMSG_TCO_MASK BIT(11)
650 #define QDMA_ETH_TXMSG_TSO_MASK BIT(10)
651 #define QDMA_ETH_TXMSG_FAST_MASK BIT(9)
652 #define QDMA_ETH_TXMSG_OAM_MASK BIT(8)
653 #define QDMA_ETH_TXMSG_CHAN_MASK GENMASK(7, 3)
654 #define QDMA_ETH_TXMSG_QUEUE_MASK GENMASK(2, 0)
656 #define QDMA_ETH_TXMSG_NO_DROP BIT(31)
657 #define QDMA_ETH_TXMSG_METER_MASK GENMASK(30, 24) /* 0x7f no meters */
658 #define QDMA_ETH_TXMSG_FPORT_MASK GENMASK(23, 20)
659 #define QDMA_ETH_TXMSG_NBOQ_MASK GENMASK(19, 15)
660 #define QDMA_ETH_TXMSG_HWF_MASK BIT(14)
661 #define QDMA_ETH_TXMSG_HOP_MASK BIT(13)
662 #define QDMA_ETH_TXMSG_PTP_MASK BIT(12)
663 #define QDMA_ETH_TXMSG_ACNT_G1_MASK GENMASK(10, 6) /* 0x1f do not count */
664 #define QDMA_ETH_TXMSG_ACNT_G0_MASK GENMASK(5, 0) /* 0x3f do not count */
667 #define QDMA_ETH_RXMSG_DEI_MASK BIT(31)
668 #define QDMA_ETH_RXMSG_IP6_MASK BIT(30)
669 #define QDMA_ETH_RXMSG_IP4_MASK BIT(29)
670 #define QDMA_ETH_RXMSG_IP4F_MASK BIT(28)
671 #define QDMA_ETH_RXMSG_L4_VALID_MASK BIT(27)
672 #define QDMA_ETH_RXMSG_L4F_MASK BIT(26)
673 #define QDMA_ETH_RXMSG_SPORT_MASK GENMASK(25, 21)
674 #define QDMA_ETH_RXMSG_CRSN_MASK GENMASK(20, 16)
675 #define QDMA_ETH_RXMSG_PPE_ENTRY_MASK GENMASK(15, 0)
677 struct airoha_qdma_desc {
689 #define QDMA_FWD_DESC_CTX_MASK BIT(31)
690 #define QDMA_FWD_DESC_RING_MASK GENMASK(30, 28)
691 #define QDMA_FWD_DESC_IDX_MASK GENMASK(27, 16)
692 #define QDMA_FWD_DESC_LEN_MASK GENMASK(15, 0)
694 #define QDMA_FWD_DESC_FIRST_IDX_MASK GENMASK(15, 0)
696 #define QDMA_FWD_DESC_MORE_PKT_NUM_MASK GENMASK(2, 0)
698 struct airoha_qdma_fwd_desc {
727 XSI_PCIE0_VIP_PORT_MASK = BIT(22),
728 XSI_PCIE1_VIP_PORT_MASK = BIT(23),
729 XSI_USB_VIP_PORT_MASK = BIT(25),
730 XSI_ETH_VIP_PORT_MASK = BIT(24),
734 DEV_STATE_INITIALIZED,
738 CDM_CRSN_QSEL_Q1 = 1,
739 CDM_CRSN_QSEL_Q5 = 5,
740 CDM_CRSN_QSEL_Q6 = 6,
741 CDM_CRSN_QSEL_Q15 = 15,
746 CRSN_21 = 0x15, /* KA */
747 CRSN_22 = 0x16, /* hit bind and force route to CPU */
764 FE_PSE_PORT_DROP = 0xf,
778 enum trtcm_param_type {
779 TRTCM_MISC_MODE, /* meter_en, pps_mode, tick_sel */
780 TRTCM_TOKEN_RATE_MODE,
781 TRTCM_BUCKETSIZE_SHIFT_MODE,
782 TRTCM_BUCKET_COUNTER_MODE,
785 enum trtcm_mode_type {
791 TRTCM_TICK_SEL = BIT(0),
792 TRTCM_PKT_MODE = BIT(1),
793 TRTCM_METER_MODE = BIT(2),
796 #define MIN_TOKEN_SIZE 4096
797 #define MAX_TOKEN_SIZE_OFFSET 17
798 #define TRTCM_TOKEN_RATE_MASK GENMASK(23, 6)
799 #define TRTCM_TOKEN_RATE_FRACTION_MASK GENMASK(5, 0)
801 struct airoha_queue_entry {
810 struct airoha_queue {
811 struct airoha_qdma *qdma;
813 /* protect concurrent queue accesses */
815 struct airoha_queue_entry *entry;
816 struct airoha_qdma_desc *desc;
825 struct napi_struct napi;
826 struct page_pool *page_pool;
829 struct airoha_tx_irq_queue {
830 struct airoha_qdma *qdma;
832 struct napi_struct napi;
838 struct airoha_hw_stats {
839 /* protect concurrent hw_stats accesses */
841 struct u64_stats_sync syncp;
865 struct airoha_eth *eth;
868 /* protect concurrent irqmask accesses */
870 u32 irqmask[QDMA_INT_REG_MAX];
873 struct airoha_tx_irq_queue q_tx_irq[AIROHA_NUM_TX_IRQ];
875 struct airoha_queue q_tx[AIROHA_NUM_TX_RING];
876 struct airoha_queue q_rx[AIROHA_NUM_RX_RING];
878 /* descriptor and packet buffers for qdma hw forward */
885 struct airoha_gdm_port {
886 struct airoha_qdma *qdma;
887 struct net_device *dev;
890 struct airoha_hw_stats stats;
892 DECLARE_BITMAP(qos_sq_bmap, AIROHA_NUM_QOS_CHANNELS);
894 /* qos stats counters */
903 void __iomem *fe_regs;
905 struct reset_control_bulk_data rsts[AIROHA_MAX_NUM_RSTS];
906 struct reset_control_bulk_data xsi_rsts[AIROHA_MAX_NUM_XSI_RSTS];
908 struct net_device *napi_dev;
910 struct airoha_qdma qdma[AIROHA_MAX_NUM_QDMA];
911 struct airoha_gdm_port *ports[AIROHA_MAX_NUM_GDM_PORTS];
914 static u32 airoha_rr(void __iomem *base, u32 offset)
916 return readl(base + offset);
919 static void airoha_wr(void __iomem *base, u32 offset, u32 val)
921 writel(val, base + offset);
924 static u32 airoha_rmw(void __iomem *base, u32 offset, u32 mask, u32 val)
926 val |= (airoha_rr(base, offset) & ~mask);
927 airoha_wr(base, offset, val);
932 #define airoha_fe_rr(eth, offset) \
933 airoha_rr((eth)->fe_regs, (offset))
934 #define airoha_fe_wr(eth, offset, val) \
935 airoha_wr((eth)->fe_regs, (offset), (val))
936 #define airoha_fe_rmw(eth, offset, mask, val) \
937 airoha_rmw((eth)->fe_regs, (offset), (mask), (val))
938 #define airoha_fe_set(eth, offset, val) \
939 airoha_rmw((eth)->fe_regs, (offset), 0, (val))
940 #define airoha_fe_clear(eth, offset, val) \
941 airoha_rmw((eth)->fe_regs, (offset), (val), 0)
943 #define airoha_qdma_rr(qdma, offset) \
944 airoha_rr((qdma)->regs, (offset))
945 #define airoha_qdma_wr(qdma, offset, val) \
946 airoha_wr((qdma)->regs, (offset), (val))
947 #define airoha_qdma_rmw(qdma, offset, mask, val) \
948 airoha_rmw((qdma)->regs, (offset), (mask), (val))
949 #define airoha_qdma_set(qdma, offset, val) \
950 airoha_rmw((qdma)->regs, (offset), 0, (val))
951 #define airoha_qdma_clear(qdma, offset, val) \
952 airoha_rmw((qdma)->regs, (offset), (val), 0)
954 static void airoha_qdma_set_irqmask(struct airoha_qdma *qdma, int index,
959 if (WARN_ON_ONCE(index >= ARRAY_SIZE(qdma->irqmask)))
962 spin_lock_irqsave(&qdma->irq_lock, flags);
964 qdma->irqmask[index] &= ~clear;
965 qdma->irqmask[index] |= set;
966 airoha_qdma_wr(qdma, REG_INT_ENABLE(index), qdma->irqmask[index]);
967 /* Read irq_enable register in order to guarantee the update above
968 * completes in the spinlock critical section.
970 airoha_qdma_rr(qdma, REG_INT_ENABLE(index));
972 spin_unlock_irqrestore(&qdma->irq_lock, flags);
975 static void airoha_qdma_irq_enable(struct airoha_qdma *qdma, int index,
978 airoha_qdma_set_irqmask(qdma, index, 0, mask);
981 static void airoha_qdma_irq_disable(struct airoha_qdma *qdma, int index,
984 airoha_qdma_set_irqmask(qdma, index, mask, 0);
987 static bool airhoa_is_lan_gdm_port(struct airoha_gdm_port *port)
989 /* GDM1 port on EN7581 SoC is connected to the lan dsa switch.
990 * GDM{2,3,4} can be used as wan port connected to an external
993 return port->id == 1;
996 static void airoha_set_macaddr(struct airoha_gdm_port *port, const u8 *addr)
998 struct airoha_eth *eth = port->qdma->eth;
1001 reg = airhoa_is_lan_gdm_port(port) ? REG_FE_LAN_MAC_H
1003 val = (addr[0] << 16) | (addr[1] << 8) | addr[2];
1004 airoha_fe_wr(eth, reg, val);
1006 val = (addr[3] << 16) | (addr[4] << 8) | addr[5];
1007 airoha_fe_wr(eth, REG_FE_MAC_LMIN(reg), val);
1008 airoha_fe_wr(eth, REG_FE_MAC_LMAX(reg), val);
1011 static void airoha_set_gdm_port_fwd_cfg(struct airoha_eth *eth, u32 addr,
1014 airoha_fe_rmw(eth, addr, GDM_OCFQ_MASK,
1015 FIELD_PREP(GDM_OCFQ_MASK, val));
1016 airoha_fe_rmw(eth, addr, GDM_MCFQ_MASK,
1017 FIELD_PREP(GDM_MCFQ_MASK, val));
1018 airoha_fe_rmw(eth, addr, GDM_BCFQ_MASK,
1019 FIELD_PREP(GDM_BCFQ_MASK, val));
1020 airoha_fe_rmw(eth, addr, GDM_UCFQ_MASK,
1021 FIELD_PREP(GDM_UCFQ_MASK, val));
1024 static int airoha_set_gdm_port(struct airoha_eth *eth, int port, bool enable)
1026 u32 val = enable ? FE_PSE_PORT_PPE1 : FE_PSE_PORT_DROP;
1027 u32 vip_port, cfg_addr;
1030 case XSI_PCIE0_PORT:
1031 vip_port = XSI_PCIE0_VIP_PORT_MASK;
1032 cfg_addr = REG_GDM_FWD_CFG(3);
1034 case XSI_PCIE1_PORT:
1035 vip_port = XSI_PCIE1_VIP_PORT_MASK;
1036 cfg_addr = REG_GDM_FWD_CFG(3);
1039 vip_port = XSI_USB_VIP_PORT_MASK;
1040 cfg_addr = REG_GDM_FWD_CFG(4);
1043 vip_port = XSI_ETH_VIP_PORT_MASK;
1044 cfg_addr = REG_GDM_FWD_CFG(4);
1051 airoha_fe_set(eth, REG_FE_VIP_PORT_EN, vip_port);
1052 airoha_fe_set(eth, REG_FE_IFC_PORT_EN, vip_port);
1054 airoha_fe_clear(eth, REG_FE_VIP_PORT_EN, vip_port);
1055 airoha_fe_clear(eth, REG_FE_IFC_PORT_EN, vip_port);
1058 airoha_set_gdm_port_fwd_cfg(eth, cfg_addr, val);
1063 static int airoha_set_gdm_ports(struct airoha_eth *eth, bool enable)
1065 const int port_list[] = {
1073 for (i = 0; i < ARRAY_SIZE(port_list); i++) {
1074 err = airoha_set_gdm_port(eth, port_list[i], enable);
1082 for (i--; i >= 0; i--)
1083 airoha_set_gdm_port(eth, port_list[i], false);
1088 static void airoha_fe_maccr_init(struct airoha_eth *eth)
1092 for (p = 1; p <= ARRAY_SIZE(eth->ports); p++) {
1093 airoha_fe_set(eth, REG_GDM_FWD_CFG(p),
1094 GDM_TCP_CKSUM | GDM_UDP_CKSUM | GDM_IP4_CKSUM |
1096 airoha_set_gdm_port_fwd_cfg(eth, REG_GDM_FWD_CFG(p),
1098 airoha_fe_rmw(eth, REG_GDM_LEN_CFG(p),
1099 GDM_SHORT_LEN_MASK | GDM_LONG_LEN_MASK,
1100 FIELD_PREP(GDM_SHORT_LEN_MASK, 60) |
1101 FIELD_PREP(GDM_LONG_LEN_MASK, 4004));
1104 airoha_fe_rmw(eth, REG_CDM1_VLAN_CTRL, CDM1_VLAN_MASK,
1105 FIELD_PREP(CDM1_VLAN_MASK, 0x8100));
1107 airoha_fe_set(eth, REG_FE_CPORT_CFG, FE_CPORT_PAD);
1110 static void airoha_fe_vip_setup(struct airoha_eth *eth)
1112 airoha_fe_wr(eth, REG_FE_VIP_PATN(3), ETH_P_PPP_DISC);
1113 airoha_fe_wr(eth, REG_FE_VIP_EN(3), PATN_FCPU_EN_MASK | PATN_EN_MASK);
1115 airoha_fe_wr(eth, REG_FE_VIP_PATN(4), PPP_LCP);
1116 airoha_fe_wr(eth, REG_FE_VIP_EN(4),
1117 PATN_FCPU_EN_MASK | FIELD_PREP(PATN_TYPE_MASK, 1) |
1120 airoha_fe_wr(eth, REG_FE_VIP_PATN(6), PPP_IPCP);
1121 airoha_fe_wr(eth, REG_FE_VIP_EN(6),
1122 PATN_FCPU_EN_MASK | FIELD_PREP(PATN_TYPE_MASK, 1) |
1125 airoha_fe_wr(eth, REG_FE_VIP_PATN(7), PPP_CHAP);
1126 airoha_fe_wr(eth, REG_FE_VIP_EN(7),
1127 PATN_FCPU_EN_MASK | FIELD_PREP(PATN_TYPE_MASK, 1) |
1131 airoha_fe_wr(eth, REG_FE_VIP_PATN(8), 0x43);
1132 airoha_fe_wr(eth, REG_FE_VIP_EN(8),
1133 PATN_FCPU_EN_MASK | PATN_SP_EN_MASK |
1134 FIELD_PREP(PATN_TYPE_MASK, 4) | PATN_EN_MASK);
1137 airoha_fe_wr(eth, REG_FE_VIP_PATN(9), 0x44);
1138 airoha_fe_wr(eth, REG_FE_VIP_EN(9),
1139 PATN_FCPU_EN_MASK | PATN_SP_EN_MASK |
1140 FIELD_PREP(PATN_TYPE_MASK, 4) | PATN_EN_MASK);
1143 airoha_fe_wr(eth, REG_FE_VIP_PATN(10), 0x1f401f4);
1144 airoha_fe_wr(eth, REG_FE_VIP_EN(10),
1145 PATN_FCPU_EN_MASK | PATN_DP_EN_MASK | PATN_SP_EN_MASK |
1146 FIELD_PREP(PATN_TYPE_MASK, 4) | PATN_EN_MASK);
1148 airoha_fe_wr(eth, REG_FE_VIP_PATN(11), PPP_IPV6CP);
1149 airoha_fe_wr(eth, REG_FE_VIP_EN(11),
1150 PATN_FCPU_EN_MASK | FIELD_PREP(PATN_TYPE_MASK, 1) |
1154 airoha_fe_wr(eth, REG_FE_VIP_PATN(12), 0x2220223);
1155 airoha_fe_wr(eth, REG_FE_VIP_EN(12),
1156 PATN_FCPU_EN_MASK | PATN_DP_EN_MASK | PATN_SP_EN_MASK |
1157 FIELD_PREP(PATN_TYPE_MASK, 4) | PATN_EN_MASK);
1159 airoha_fe_wr(eth, REG_FE_VIP_PATN(19), PPP_PAP);
1160 airoha_fe_wr(eth, REG_FE_VIP_EN(19),
1161 PATN_FCPU_EN_MASK | FIELD_PREP(PATN_TYPE_MASK, 1) |
1164 /* ETH->ETH_P_1905 (0x893a) */
1165 airoha_fe_wr(eth, REG_FE_VIP_PATN(20), 0x893a);
1166 airoha_fe_wr(eth, REG_FE_VIP_EN(20),
1167 PATN_FCPU_EN_MASK | PATN_EN_MASK);
1169 airoha_fe_wr(eth, REG_FE_VIP_PATN(21), ETH_P_LLDP);
1170 airoha_fe_wr(eth, REG_FE_VIP_EN(21),
1171 PATN_FCPU_EN_MASK | PATN_EN_MASK);
1174 static u32 airoha_fe_get_pse_queue_rsv_pages(struct airoha_eth *eth,
1175 u32 port, u32 queue)
1179 airoha_fe_rmw(eth, REG_FE_PSE_QUEUE_CFG_WR,
1180 PSE_CFG_PORT_ID_MASK | PSE_CFG_QUEUE_ID_MASK,
1181 FIELD_PREP(PSE_CFG_PORT_ID_MASK, port) |
1182 FIELD_PREP(PSE_CFG_QUEUE_ID_MASK, queue));
1183 val = airoha_fe_rr(eth, REG_FE_PSE_QUEUE_CFG_VAL);
1185 return FIELD_GET(PSE_CFG_OQ_RSV_MASK, val);
1188 static void airoha_fe_set_pse_queue_rsv_pages(struct airoha_eth *eth,
1189 u32 port, u32 queue, u32 val)
1191 airoha_fe_rmw(eth, REG_FE_PSE_QUEUE_CFG_VAL, PSE_CFG_OQ_RSV_MASK,
1192 FIELD_PREP(PSE_CFG_OQ_RSV_MASK, val));
1193 airoha_fe_rmw(eth, REG_FE_PSE_QUEUE_CFG_WR,
1194 PSE_CFG_PORT_ID_MASK | PSE_CFG_QUEUE_ID_MASK |
1195 PSE_CFG_WR_EN_MASK | PSE_CFG_OQRSV_SEL_MASK,
1196 FIELD_PREP(PSE_CFG_PORT_ID_MASK, port) |
1197 FIELD_PREP(PSE_CFG_QUEUE_ID_MASK, queue) |
1198 PSE_CFG_WR_EN_MASK | PSE_CFG_OQRSV_SEL_MASK);
1201 static u32 airoha_fe_get_pse_all_rsv(struct airoha_eth *eth)
1203 u32 val = airoha_fe_rr(eth, REG_FE_PSE_BUF_SET);
1205 return FIELD_GET(PSE_ALLRSV_MASK, val);
1208 static int airoha_fe_set_pse_oq_rsv(struct airoha_eth *eth,
1209 u32 port, u32 queue, u32 val)
1211 u32 orig_val = airoha_fe_get_pse_queue_rsv_pages(eth, port, queue);
1212 u32 tmp, all_rsv, fq_limit;
1214 airoha_fe_set_pse_queue_rsv_pages(eth, port, queue, val);
1216 /* modify all rsv */
1217 all_rsv = airoha_fe_get_pse_all_rsv(eth);
1218 all_rsv += (val - orig_val);
1219 airoha_fe_rmw(eth, REG_FE_PSE_BUF_SET, PSE_ALLRSV_MASK,
1220 FIELD_PREP(PSE_ALLRSV_MASK, all_rsv));
1223 tmp = airoha_fe_rr(eth, PSE_FQ_CFG);
1224 fq_limit = FIELD_GET(PSE_FQ_LIMIT_MASK, tmp);
1225 tmp = fq_limit - all_rsv - 0x20;
1226 airoha_fe_rmw(eth, REG_PSE_SHARE_USED_THD,
1227 PSE_SHARE_USED_HTHD_MASK,
1228 FIELD_PREP(PSE_SHARE_USED_HTHD_MASK, tmp));
1230 tmp = fq_limit - all_rsv - 0x100;
1231 airoha_fe_rmw(eth, REG_PSE_SHARE_USED_THD,
1232 PSE_SHARE_USED_MTHD_MASK,
1233 FIELD_PREP(PSE_SHARE_USED_MTHD_MASK, tmp));
1234 tmp = (3 * tmp) >> 2;
1235 airoha_fe_rmw(eth, REG_FE_PSE_BUF_SET,
1236 PSE_SHARE_USED_LTHD_MASK,
1237 FIELD_PREP(PSE_SHARE_USED_LTHD_MASK, tmp));
1242 static void airoha_fe_pse_ports_init(struct airoha_eth *eth)
1244 const u32 pse_port_num_queues[] = {
1245 [FE_PSE_PORT_CDM1] = 6,
1246 [FE_PSE_PORT_GDM1] = 6,
1247 [FE_PSE_PORT_GDM2] = 32,
1248 [FE_PSE_PORT_GDM3] = 6,
1249 [FE_PSE_PORT_PPE1] = 4,
1250 [FE_PSE_PORT_CDM2] = 6,
1251 [FE_PSE_PORT_CDM3] = 8,
1252 [FE_PSE_PORT_CDM4] = 10,
1253 [FE_PSE_PORT_PPE2] = 4,
1254 [FE_PSE_PORT_GDM4] = 2,
1255 [FE_PSE_PORT_CDM5] = 2,
1260 all_rsv = airoha_fe_get_pse_all_rsv(eth);
1261 /* hw misses PPE2 oq rsv */
1262 all_rsv += PSE_RSV_PAGES * pse_port_num_queues[FE_PSE_PORT_PPE2];
1263 airoha_fe_set(eth, REG_FE_PSE_BUF_SET, all_rsv);
1266 for (q = 0; q < pse_port_num_queues[FE_PSE_PORT_CDM1]; q++)
1267 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_CDM1, q,
1268 PSE_QUEUE_RSV_PAGES);
1270 for (q = 0; q < pse_port_num_queues[FE_PSE_PORT_GDM1]; q++)
1271 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_GDM1, q,
1272 PSE_QUEUE_RSV_PAGES);
1274 for (q = 6; q < pse_port_num_queues[FE_PSE_PORT_GDM2]; q++)
1275 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_GDM2, q, 0);
1277 for (q = 0; q < pse_port_num_queues[FE_PSE_PORT_GDM3]; q++)
1278 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_GDM3, q,
1279 PSE_QUEUE_RSV_PAGES);
1281 for (q = 0; q < pse_port_num_queues[FE_PSE_PORT_PPE1]; q++) {
1282 if (q < pse_port_num_queues[FE_PSE_PORT_PPE1])
1283 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_PPE1, q,
1284 PSE_QUEUE_RSV_PAGES);
1286 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_PPE1, q, 0);
1289 for (q = 0; q < pse_port_num_queues[FE_PSE_PORT_CDM2]; q++)
1290 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_CDM2, q,
1291 PSE_QUEUE_RSV_PAGES);
1293 for (q = 0; q < pse_port_num_queues[FE_PSE_PORT_CDM3] - 1; q++)
1294 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_CDM3, q, 0);
1296 for (q = 4; q < pse_port_num_queues[FE_PSE_PORT_CDM4]; q++)
1297 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_CDM4, q,
1298 PSE_QUEUE_RSV_PAGES);
1300 for (q = 0; q < pse_port_num_queues[FE_PSE_PORT_PPE2]; q++) {
1301 if (q < pse_port_num_queues[FE_PSE_PORT_PPE2] / 2)
1302 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_PPE2, q,
1303 PSE_QUEUE_RSV_PAGES);
1305 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_PPE2, q, 0);
1308 for (q = 0; q < pse_port_num_queues[FE_PSE_PORT_GDM4]; q++)
1309 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_GDM4, q,
1310 PSE_QUEUE_RSV_PAGES);
1312 for (q = 0; q < pse_port_num_queues[FE_PSE_PORT_CDM5]; q++)
1313 airoha_fe_set_pse_oq_rsv(eth, FE_PSE_PORT_CDM5, q,
1314 PSE_QUEUE_RSV_PAGES);
1317 static int airoha_fe_mc_vlan_clear(struct airoha_eth *eth)
1321 for (i = 0; i < AIROHA_FE_MC_MAX_VLAN_TABLE; i++) {
1325 airoha_fe_wr(eth, REG_MC_VLAN_DATA, 0x0);
1327 val = FIELD_PREP(MC_VLAN_CFG_TABLE_ID_MASK, i) |
1328 MC_VLAN_CFG_TABLE_SEL_MASK | MC_VLAN_CFG_RW_MASK;
1329 airoha_fe_wr(eth, REG_MC_VLAN_CFG, val);
1330 err = read_poll_timeout(airoha_fe_rr, val,
1331 val & MC_VLAN_CFG_CMD_DONE_MASK,
1332 USEC_PER_MSEC, 5 * USEC_PER_MSEC,
1333 false, eth, REG_MC_VLAN_CFG);
1337 for (j = 0; j < AIROHA_FE_MC_MAX_VLAN_PORT; j++) {
1338 airoha_fe_wr(eth, REG_MC_VLAN_DATA, 0x0);
1340 val = FIELD_PREP(MC_VLAN_CFG_TABLE_ID_MASK, i) |
1341 FIELD_PREP(MC_VLAN_CFG_PORT_ID_MASK, j) |
1342 MC_VLAN_CFG_RW_MASK;
1343 airoha_fe_wr(eth, REG_MC_VLAN_CFG, val);
1344 err = read_poll_timeout(airoha_fe_rr, val,
1345 val & MC_VLAN_CFG_CMD_DONE_MASK,
1347 5 * USEC_PER_MSEC, false, eth,
1357 static void airoha_fe_crsn_qsel_init(struct airoha_eth *eth)
1359 /* CDM1_CRSN_QSEL */
1360 airoha_fe_rmw(eth, REG_CDM1_CRSN_QSEL(CRSN_22 >> 2),
1361 CDM1_CRSN_QSEL_REASON_MASK(CRSN_22),
1362 FIELD_PREP(CDM1_CRSN_QSEL_REASON_MASK(CRSN_22),
1364 airoha_fe_rmw(eth, REG_CDM1_CRSN_QSEL(CRSN_08 >> 2),
1365 CDM1_CRSN_QSEL_REASON_MASK(CRSN_08),
1366 FIELD_PREP(CDM1_CRSN_QSEL_REASON_MASK(CRSN_08),
1368 airoha_fe_rmw(eth, REG_CDM1_CRSN_QSEL(CRSN_21 >> 2),
1369 CDM1_CRSN_QSEL_REASON_MASK(CRSN_21),
1370 FIELD_PREP(CDM1_CRSN_QSEL_REASON_MASK(CRSN_21),
1372 airoha_fe_rmw(eth, REG_CDM1_CRSN_QSEL(CRSN_24 >> 2),
1373 CDM1_CRSN_QSEL_REASON_MASK(CRSN_24),
1374 FIELD_PREP(CDM1_CRSN_QSEL_REASON_MASK(CRSN_24),
1376 airoha_fe_rmw(eth, REG_CDM1_CRSN_QSEL(CRSN_25 >> 2),
1377 CDM1_CRSN_QSEL_REASON_MASK(CRSN_25),
1378 FIELD_PREP(CDM1_CRSN_QSEL_REASON_MASK(CRSN_25),
1380 /* CDM2_CRSN_QSEL */
1381 airoha_fe_rmw(eth, REG_CDM2_CRSN_QSEL(CRSN_08 >> 2),
1382 CDM2_CRSN_QSEL_REASON_MASK(CRSN_08),
1383 FIELD_PREP(CDM2_CRSN_QSEL_REASON_MASK(CRSN_08),
1385 airoha_fe_rmw(eth, REG_CDM2_CRSN_QSEL(CRSN_21 >> 2),
1386 CDM2_CRSN_QSEL_REASON_MASK(CRSN_21),
1387 FIELD_PREP(CDM2_CRSN_QSEL_REASON_MASK(CRSN_21),
1389 airoha_fe_rmw(eth, REG_CDM2_CRSN_QSEL(CRSN_22 >> 2),
1390 CDM2_CRSN_QSEL_REASON_MASK(CRSN_22),
1391 FIELD_PREP(CDM2_CRSN_QSEL_REASON_MASK(CRSN_22),
1393 airoha_fe_rmw(eth, REG_CDM2_CRSN_QSEL(CRSN_24 >> 2),
1394 CDM2_CRSN_QSEL_REASON_MASK(CRSN_24),
1395 FIELD_PREP(CDM2_CRSN_QSEL_REASON_MASK(CRSN_24),
1397 airoha_fe_rmw(eth, REG_CDM2_CRSN_QSEL(CRSN_25 >> 2),
1398 CDM2_CRSN_QSEL_REASON_MASK(CRSN_25),
1399 FIELD_PREP(CDM2_CRSN_QSEL_REASON_MASK(CRSN_25),
1403 static int airoha_fe_init(struct airoha_eth *eth)
1405 airoha_fe_maccr_init(eth);
1407 /* PSE IQ reserve */
1408 airoha_fe_rmw(eth, REG_PSE_IQ_REV1, PSE_IQ_RES1_P2_MASK,
1409 FIELD_PREP(PSE_IQ_RES1_P2_MASK, 0x10));
1410 airoha_fe_rmw(eth, REG_PSE_IQ_REV2,
1411 PSE_IQ_RES2_P5_MASK | PSE_IQ_RES2_P4_MASK,
1412 FIELD_PREP(PSE_IQ_RES2_P5_MASK, 0x40) |
1413 FIELD_PREP(PSE_IQ_RES2_P4_MASK, 0x34));
1415 /* enable FE copy engine for MC/KA/DPI */
1416 airoha_fe_wr(eth, REG_FE_PCE_CFG,
1417 PCE_DPI_EN_MASK | PCE_KA_EN_MASK | PCE_MC_EN_MASK);
1418 /* set vip queue selection to ring 1 */
1419 airoha_fe_rmw(eth, REG_CDM1_FWD_CFG, CDM1_VIP_QSEL_MASK,
1420 FIELD_PREP(CDM1_VIP_QSEL_MASK, 0x4));
1421 airoha_fe_rmw(eth, REG_CDM2_FWD_CFG, CDM2_VIP_QSEL_MASK,
1422 FIELD_PREP(CDM2_VIP_QSEL_MASK, 0x4));
1423 /* set GDM4 source interface offset to 8 */
1424 airoha_fe_rmw(eth, REG_GDM4_SRC_PORT_SET,
1425 GDM4_SPORT_OFF2_MASK |
1426 GDM4_SPORT_OFF1_MASK |
1427 GDM4_SPORT_OFF0_MASK,
1428 FIELD_PREP(GDM4_SPORT_OFF2_MASK, 8) |
1429 FIELD_PREP(GDM4_SPORT_OFF1_MASK, 8) |
1430 FIELD_PREP(GDM4_SPORT_OFF0_MASK, 8));
1432 /* set PSE Page as 128B */
1433 airoha_fe_rmw(eth, REG_FE_DMA_GLO_CFG,
1434 FE_DMA_GLO_L2_SPACE_MASK | FE_DMA_GLO_PG_SZ_MASK,
1435 FIELD_PREP(FE_DMA_GLO_L2_SPACE_MASK, 2) |
1436 FE_DMA_GLO_PG_SZ_MASK);
1437 airoha_fe_wr(eth, REG_FE_RST_GLO_CFG,
1438 FE_RST_CORE_MASK | FE_RST_GDM3_MBI_ARB_MASK |
1439 FE_RST_GDM4_MBI_ARB_MASK);
1440 usleep_range(1000, 2000);
1442 /* connect RxRing1 and RxRing15 to PSE Port0 OQ-1
1443 * connect other rings to PSE Port0 OQ-0
1445 airoha_fe_wr(eth, REG_FE_CDM1_OQ_MAP0, BIT(4));
1446 airoha_fe_wr(eth, REG_FE_CDM1_OQ_MAP1, BIT(28));
1447 airoha_fe_wr(eth, REG_FE_CDM1_OQ_MAP2, BIT(4));
1448 airoha_fe_wr(eth, REG_FE_CDM1_OQ_MAP3, BIT(28));
1450 airoha_fe_vip_setup(eth);
1451 airoha_fe_pse_ports_init(eth);
1453 airoha_fe_set(eth, REG_GDM_MISC_CFG,
1454 GDM2_RDM_ACK_WAIT_PREF_MASK |
1455 GDM2_CHN_VLD_MODE_MASK);
1456 airoha_fe_rmw(eth, REG_CDM2_FWD_CFG, CDM2_OAM_QSEL_MASK,
1457 FIELD_PREP(CDM2_OAM_QSEL_MASK, 15));
1459 /* init fragment and assemble Force Port */
1460 /* NPU Core-3, NPU Bridge Channel-3 */
1461 airoha_fe_rmw(eth, REG_IP_FRAG_FP,
1462 IP_FRAGMENT_PORT_MASK | IP_FRAGMENT_NBQ_MASK,
1463 FIELD_PREP(IP_FRAGMENT_PORT_MASK, 6) |
1464 FIELD_PREP(IP_FRAGMENT_NBQ_MASK, 3));
1465 /* QDMA LAN, RX Ring-22 */
1466 airoha_fe_rmw(eth, REG_IP_FRAG_FP,
1467 IP_ASSEMBLE_PORT_MASK | IP_ASSEMBLE_NBQ_MASK,
1468 FIELD_PREP(IP_ASSEMBLE_PORT_MASK, 0) |
1469 FIELD_PREP(IP_ASSEMBLE_NBQ_MASK, 22));
1471 airoha_fe_set(eth, REG_GDM3_FWD_CFG, GDM3_PAD_EN_MASK);
1472 airoha_fe_set(eth, REG_GDM4_FWD_CFG, GDM4_PAD_EN_MASK);
1474 airoha_fe_crsn_qsel_init(eth);
1476 airoha_fe_clear(eth, REG_FE_CPORT_CFG, FE_CPORT_QUEUE_XFC_MASK);
1477 airoha_fe_set(eth, REG_FE_CPORT_CFG, FE_CPORT_PORT_XFC_MASK);
1479 /* default aging mode for mbi unlock issue */
1480 airoha_fe_rmw(eth, REG_GDM2_CHN_RLS,
1481 MBI_RX_AGE_SEL_MASK | MBI_TX_AGE_SEL_MASK,
1482 FIELD_PREP(MBI_RX_AGE_SEL_MASK, 3) |
1483 FIELD_PREP(MBI_TX_AGE_SEL_MASK, 3));
1485 /* disable IFC by default */
1486 airoha_fe_clear(eth, REG_FE_CSR_IFC_CFG, FE_IFC_EN_MASK);
1488 /* enable 1:N vlan action, init vlan table */
1489 airoha_fe_set(eth, REG_MC_VLAN_EN, MC_VLAN_EN_MASK);
1491 return airoha_fe_mc_vlan_clear(eth);
1494 static int airoha_qdma_fill_rx_queue(struct airoha_queue *q)
1496 enum dma_data_direction dir = page_pool_get_dma_dir(q->page_pool);
1497 struct airoha_qdma *qdma = q->qdma;
1498 struct airoha_eth *eth = qdma->eth;
1499 int qid = q - &qdma->q_rx[0];
1502 while (q->queued < q->ndesc - 1) {
1503 struct airoha_queue_entry *e = &q->entry[q->head];
1504 struct airoha_qdma_desc *desc = &q->desc[q->head];
1509 page = page_pool_dev_alloc_frag(q->page_pool, &offset,
1514 q->head = (q->head + 1) % q->ndesc;
1518 e->buf = page_address(page) + offset;
1519 e->dma_addr = page_pool_get_dma_addr(page) + offset;
1520 e->dma_len = SKB_WITH_OVERHEAD(q->buf_size);
1522 dma_sync_single_for_device(eth->dev, e->dma_addr, e->dma_len,
1525 val = FIELD_PREP(QDMA_DESC_LEN_MASK, e->dma_len);
1526 WRITE_ONCE(desc->ctrl, cpu_to_le32(val));
1527 WRITE_ONCE(desc->addr, cpu_to_le32(e->dma_addr));
1528 val = FIELD_PREP(QDMA_DESC_NEXT_ID_MASK, q->head);
1529 WRITE_ONCE(desc->data, cpu_to_le32(val));
1530 WRITE_ONCE(desc->msg0, 0);
1531 WRITE_ONCE(desc->msg1, 0);
1532 WRITE_ONCE(desc->msg2, 0);
1533 WRITE_ONCE(desc->msg3, 0);
1535 airoha_qdma_rmw(qdma, REG_RX_CPU_IDX(qid),
1536 RX_RING_CPU_IDX_MASK,
1537 FIELD_PREP(RX_RING_CPU_IDX_MASK, q->head));
1543 static int airoha_qdma_get_gdm_port(struct airoha_eth *eth,
1544 struct airoha_qdma_desc *desc)
1546 u32 port, sport, msg1 = le32_to_cpu(desc->msg1);
1548 sport = FIELD_GET(QDMA_ETH_RXMSG_SPORT_MASK, msg1);
1560 return port >= ARRAY_SIZE(eth->ports) ? -EINVAL : port;
1563 static int airoha_qdma_rx_process(struct airoha_queue *q, int budget)
1565 enum dma_data_direction dir = page_pool_get_dma_dir(q->page_pool);
1566 struct airoha_qdma *qdma = q->qdma;
1567 struct airoha_eth *eth = qdma->eth;
1568 int qid = q - &qdma->q_rx[0];
1571 while (done < budget) {
1572 struct airoha_queue_entry *e = &q->entry[q->tail];
1573 struct airoha_qdma_desc *desc = &q->desc[q->tail];
1574 dma_addr_t dma_addr = le32_to_cpu(desc->addr);
1575 u32 desc_ctrl = le32_to_cpu(desc->ctrl);
1576 struct sk_buff *skb;
1579 if (!(desc_ctrl & QDMA_DESC_DONE_MASK))
1585 len = FIELD_GET(QDMA_DESC_LEN_MASK, desc_ctrl);
1589 q->tail = (q->tail + 1) % q->ndesc;
1592 dma_sync_single_for_cpu(eth->dev, dma_addr,
1593 SKB_WITH_OVERHEAD(q->buf_size), dir);
1595 p = airoha_qdma_get_gdm_port(eth, desc);
1596 if (p < 0 || !eth->ports[p]) {
1597 page_pool_put_full_page(q->page_pool,
1598 virt_to_head_page(e->buf),
1603 skb = napi_build_skb(e->buf, q->buf_size);
1605 page_pool_put_full_page(q->page_pool,
1606 virt_to_head_page(e->buf),
1611 skb_reserve(skb, 2);
1612 __skb_put(skb, len);
1613 skb_mark_for_recycle(skb);
1614 skb->dev = eth->ports[p]->dev;
1615 skb->protocol = eth_type_trans(skb, skb->dev);
1616 skb->ip_summed = CHECKSUM_UNNECESSARY;
1617 skb_record_rx_queue(skb, qid);
1618 napi_gro_receive(&q->napi, skb);
1622 airoha_qdma_fill_rx_queue(q);
1627 static int airoha_qdma_rx_napi_poll(struct napi_struct *napi, int budget)
1629 struct airoha_queue *q = container_of(napi, struct airoha_queue, napi);
1633 cur = airoha_qdma_rx_process(q, budget - done);
1635 } while (cur && done < budget);
1637 if (done < budget && napi_complete(napi))
1638 airoha_qdma_irq_enable(q->qdma, QDMA_INT_REG_IDX1,
1644 static int airoha_qdma_init_rx_queue(struct airoha_queue *q,
1645 struct airoha_qdma *qdma, int ndesc)
1647 const struct page_pool_params pp_params = {
1650 .flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV,
1651 .dma_dir = DMA_FROM_DEVICE,
1652 .max_len = PAGE_SIZE,
1653 .nid = NUMA_NO_NODE,
1654 .dev = qdma->eth->dev,
1657 struct airoha_eth *eth = qdma->eth;
1658 int qid = q - &qdma->q_rx[0], thr;
1659 dma_addr_t dma_addr;
1661 q->buf_size = PAGE_SIZE / 2;
1665 q->entry = devm_kzalloc(eth->dev, q->ndesc * sizeof(*q->entry),
1670 q->page_pool = page_pool_create(&pp_params);
1671 if (IS_ERR(q->page_pool)) {
1672 int err = PTR_ERR(q->page_pool);
1674 q->page_pool = NULL;
1678 q->desc = dmam_alloc_coherent(eth->dev, q->ndesc * sizeof(*q->desc),
1679 &dma_addr, GFP_KERNEL);
1683 netif_napi_add(eth->napi_dev, &q->napi, airoha_qdma_rx_napi_poll);
1685 airoha_qdma_wr(qdma, REG_RX_RING_BASE(qid), dma_addr);
1686 airoha_qdma_rmw(qdma, REG_RX_RING_SIZE(qid),
1688 FIELD_PREP(RX_RING_SIZE_MASK, ndesc));
1690 thr = clamp(ndesc >> 3, 1, 32);
1691 airoha_qdma_rmw(qdma, REG_RX_RING_SIZE(qid), RX_RING_THR_MASK,
1692 FIELD_PREP(RX_RING_THR_MASK, thr));
1693 airoha_qdma_rmw(qdma, REG_RX_DMA_IDX(qid), RX_RING_DMA_IDX_MASK,
1694 FIELD_PREP(RX_RING_DMA_IDX_MASK, q->head));
1696 airoha_qdma_fill_rx_queue(q);
1701 static void airoha_qdma_cleanup_rx_queue(struct airoha_queue *q)
1703 struct airoha_eth *eth = q->qdma->eth;
1706 struct airoha_queue_entry *e = &q->entry[q->tail];
1707 struct page *page = virt_to_head_page(e->buf);
1709 dma_sync_single_for_cpu(eth->dev, e->dma_addr, e->dma_len,
1710 page_pool_get_dma_dir(q->page_pool));
1711 page_pool_put_full_page(q->page_pool, page, false);
1712 q->tail = (q->tail + 1) % q->ndesc;
1717 static int airoha_qdma_init_rx(struct airoha_qdma *qdma)
1721 for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
1724 if (!(RX_DONE_INT_MASK & BIT(i))) {
1725 /* rx-queue not binded to irq */
1729 err = airoha_qdma_init_rx_queue(&qdma->q_rx[i], qdma,
1738 static int airoha_qdma_tx_napi_poll(struct napi_struct *napi, int budget)
1740 struct airoha_tx_irq_queue *irq_q;
1741 int id, done = 0, irq_queued;
1742 struct airoha_qdma *qdma;
1743 struct airoha_eth *eth;
1746 irq_q = container_of(napi, struct airoha_tx_irq_queue, napi);
1748 id = irq_q - &qdma->q_tx_irq[0];
1751 status = airoha_qdma_rr(qdma, REG_IRQ_STATUS(id));
1752 head = FIELD_GET(IRQ_HEAD_IDX_MASK, status);
1753 head = head % irq_q->size;
1754 irq_queued = FIELD_GET(IRQ_ENTRY_LEN_MASK, status);
1756 while (irq_queued > 0 && done < budget) {
1757 u32 qid, val = irq_q->q[head];
1758 struct airoha_qdma_desc *desc;
1759 struct airoha_queue_entry *e;
1760 struct airoha_queue *q;
1761 u32 index, desc_ctrl;
1762 struct sk_buff *skb;
1767 irq_q->q[head] = 0xff; /* mark as done */
1768 head = (head + 1) % irq_q->size;
1772 qid = FIELD_GET(IRQ_RING_IDX_MASK, val);
1773 if (qid >= ARRAY_SIZE(qdma->q_tx))
1776 q = &qdma->q_tx[qid];
1780 index = FIELD_GET(IRQ_DESC_IDX_MASK, val);
1781 if (index >= q->ndesc)
1784 spin_lock_bh(&q->lock);
1789 desc = &q->desc[index];
1790 desc_ctrl = le32_to_cpu(desc->ctrl);
1792 if (!(desc_ctrl & QDMA_DESC_DONE_MASK) &&
1793 !(desc_ctrl & QDMA_DESC_DROP_MASK))
1796 e = &q->entry[index];
1799 dma_unmap_single(eth->dev, e->dma_addr, e->dma_len,
1801 memset(e, 0, sizeof(*e));
1802 WRITE_ONCE(desc->msg0, 0);
1803 WRITE_ONCE(desc->msg1, 0);
1806 /* completion ring can report out-of-order indexes if hw QoS
1807 * is enabled and packets with different priority are queued
1808 * to same DMA ring. Take into account possible out-of-order
1809 * reports incrementing DMA ring tail pointer
1811 while (q->tail != q->head && !q->entry[q->tail].dma_addr)
1812 q->tail = (q->tail + 1) % q->ndesc;
1815 u16 queue = skb_get_queue_mapping(skb);
1816 struct netdev_queue *txq;
1818 txq = netdev_get_tx_queue(skb->dev, queue);
1819 netdev_tx_completed_queue(txq, 1, skb->len);
1820 if (netif_tx_queue_stopped(txq) &&
1821 q->ndesc - q->queued >= q->free_thr)
1822 netif_tx_wake_queue(txq);
1824 dev_kfree_skb_any(skb);
1827 spin_unlock_bh(&q->lock);
1831 int i, len = done >> 7;
1833 for (i = 0; i < len; i++)
1834 airoha_qdma_rmw(qdma, REG_IRQ_CLEAR_LEN(id),
1835 IRQ_CLEAR_LEN_MASK, 0x80);
1836 airoha_qdma_rmw(qdma, REG_IRQ_CLEAR_LEN(id),
1837 IRQ_CLEAR_LEN_MASK, (done & 0x7f));
1840 if (done < budget && napi_complete(napi))
1841 airoha_qdma_irq_enable(qdma, QDMA_INT_REG_IDX0,
1842 TX_DONE_INT_MASK(id));
1847 static int airoha_qdma_init_tx_queue(struct airoha_queue *q,
1848 struct airoha_qdma *qdma, int size)
1850 struct airoha_eth *eth = qdma->eth;
1851 int i, qid = q - &qdma->q_tx[0];
1852 dma_addr_t dma_addr;
1854 spin_lock_init(&q->lock);
1857 q->free_thr = 1 + MAX_SKB_FRAGS;
1859 q->entry = devm_kzalloc(eth->dev, q->ndesc * sizeof(*q->entry),
1864 q->desc = dmam_alloc_coherent(eth->dev, q->ndesc * sizeof(*q->desc),
1865 &dma_addr, GFP_KERNEL);
1869 for (i = 0; i < q->ndesc; i++) {
1872 val = FIELD_PREP(QDMA_DESC_DONE_MASK, 1);
1873 WRITE_ONCE(q->desc[i].ctrl, cpu_to_le32(val));
1876 /* xmit ring drop default setting */
1877 airoha_qdma_set(qdma, REG_TX_RING_BLOCKING(qid),
1878 TX_RING_IRQ_BLOCKING_TX_DROP_EN_MASK);
1880 airoha_qdma_wr(qdma, REG_TX_RING_BASE(qid), dma_addr);
1881 airoha_qdma_rmw(qdma, REG_TX_CPU_IDX(qid), TX_RING_CPU_IDX_MASK,
1882 FIELD_PREP(TX_RING_CPU_IDX_MASK, q->head));
1883 airoha_qdma_rmw(qdma, REG_TX_DMA_IDX(qid), TX_RING_DMA_IDX_MASK,
1884 FIELD_PREP(TX_RING_DMA_IDX_MASK, q->head));
1889 static int airoha_qdma_tx_irq_init(struct airoha_tx_irq_queue *irq_q,
1890 struct airoha_qdma *qdma, int size)
1892 int id = irq_q - &qdma->q_tx_irq[0];
1893 struct airoha_eth *eth = qdma->eth;
1894 dma_addr_t dma_addr;
1896 netif_napi_add_tx(eth->napi_dev, &irq_q->napi,
1897 airoha_qdma_tx_napi_poll);
1898 irq_q->q = dmam_alloc_coherent(eth->dev, size * sizeof(u32),
1899 &dma_addr, GFP_KERNEL);
1903 memset(irq_q->q, 0xff, size * sizeof(u32));
1907 airoha_qdma_wr(qdma, REG_TX_IRQ_BASE(id), dma_addr);
1908 airoha_qdma_rmw(qdma, REG_TX_IRQ_CFG(id), TX_IRQ_DEPTH_MASK,
1909 FIELD_PREP(TX_IRQ_DEPTH_MASK, size));
1910 airoha_qdma_rmw(qdma, REG_TX_IRQ_CFG(id), TX_IRQ_THR_MASK,
1911 FIELD_PREP(TX_IRQ_THR_MASK, 1));
1916 static int airoha_qdma_init_tx(struct airoha_qdma *qdma)
1920 for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++) {
1921 err = airoha_qdma_tx_irq_init(&qdma->q_tx_irq[i], qdma,
1927 for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
1928 err = airoha_qdma_init_tx_queue(&qdma->q_tx[i], qdma,
1937 static void airoha_qdma_cleanup_tx_queue(struct airoha_queue *q)
1939 struct airoha_eth *eth = q->qdma->eth;
1941 spin_lock_bh(&q->lock);
1943 struct airoha_queue_entry *e = &q->entry[q->tail];
1945 dma_unmap_single(eth->dev, e->dma_addr, e->dma_len,
1947 dev_kfree_skb_any(e->skb);
1950 q->tail = (q->tail + 1) % q->ndesc;
1953 spin_unlock_bh(&q->lock);
1956 static int airoha_qdma_init_hfwd_queues(struct airoha_qdma *qdma)
1958 struct airoha_eth *eth = qdma->eth;
1959 dma_addr_t dma_addr;
1963 size = HW_DSCP_NUM * sizeof(struct airoha_qdma_fwd_desc);
1964 qdma->hfwd.desc = dmam_alloc_coherent(eth->dev, size, &dma_addr,
1966 if (!qdma->hfwd.desc)
1969 airoha_qdma_wr(qdma, REG_FWD_DSCP_BASE, dma_addr);
1971 size = AIROHA_MAX_PACKET_SIZE * HW_DSCP_NUM;
1972 qdma->hfwd.q = dmam_alloc_coherent(eth->dev, size, &dma_addr,
1977 airoha_qdma_wr(qdma, REG_FWD_BUF_BASE, dma_addr);
1979 airoha_qdma_rmw(qdma, REG_HW_FWD_DSCP_CFG,
1980 HW_FWD_DSCP_PAYLOAD_SIZE_MASK,
1981 FIELD_PREP(HW_FWD_DSCP_PAYLOAD_SIZE_MASK, 0));
1982 airoha_qdma_rmw(qdma, REG_FWD_DSCP_LOW_THR, FWD_DSCP_LOW_THR_MASK,
1983 FIELD_PREP(FWD_DSCP_LOW_THR_MASK, 128));
1984 airoha_qdma_rmw(qdma, REG_LMGR_INIT_CFG,
1985 LMGR_INIT_START | LMGR_SRAM_MODE_MASK |
1986 HW_FWD_DESC_NUM_MASK,
1987 FIELD_PREP(HW_FWD_DESC_NUM_MASK, HW_DSCP_NUM) |
1990 return read_poll_timeout(airoha_qdma_rr, status,
1991 !(status & LMGR_INIT_START), USEC_PER_MSEC,
1992 30 * USEC_PER_MSEC, true, qdma,
1996 static void airoha_qdma_init_qos(struct airoha_qdma *qdma)
1998 airoha_qdma_clear(qdma, REG_TXWRR_MODE_CFG, TWRR_WEIGHT_SCALE_MASK);
1999 airoha_qdma_set(qdma, REG_TXWRR_MODE_CFG, TWRR_WEIGHT_BASE_MASK);
2001 airoha_qdma_clear(qdma, REG_PSE_BUF_USAGE_CFG,
2002 PSE_BUF_ESTIMATE_EN_MASK);
2004 airoha_qdma_set(qdma, REG_EGRESS_RATE_METER_CFG,
2005 EGRESS_RATE_METER_EN_MASK |
2006 EGRESS_RATE_METER_EQ_RATE_EN_MASK);
2007 /* 2047us x 31 = 63.457ms */
2008 airoha_qdma_rmw(qdma, REG_EGRESS_RATE_METER_CFG,
2009 EGRESS_RATE_METER_WINDOW_SZ_MASK,
2010 FIELD_PREP(EGRESS_RATE_METER_WINDOW_SZ_MASK, 0x1f));
2011 airoha_qdma_rmw(qdma, REG_EGRESS_RATE_METER_CFG,
2012 EGRESS_RATE_METER_TIMESLICE_MASK,
2013 FIELD_PREP(EGRESS_RATE_METER_TIMESLICE_MASK, 0x7ff));
2015 /* ratelimit init */
2016 airoha_qdma_set(qdma, REG_GLB_TRTCM_CFG, GLB_TRTCM_EN_MASK);
2017 /* fast-tick 25us */
2018 airoha_qdma_rmw(qdma, REG_GLB_TRTCM_CFG, GLB_FAST_TICK_MASK,
2019 FIELD_PREP(GLB_FAST_TICK_MASK, 25));
2020 airoha_qdma_rmw(qdma, REG_GLB_TRTCM_CFG, GLB_SLOW_TICK_RATIO_MASK,
2021 FIELD_PREP(GLB_SLOW_TICK_RATIO_MASK, 40));
2023 airoha_qdma_set(qdma, REG_EGRESS_TRTCM_CFG, EGRESS_TRTCM_EN_MASK);
2024 airoha_qdma_rmw(qdma, REG_EGRESS_TRTCM_CFG, EGRESS_FAST_TICK_MASK,
2025 FIELD_PREP(EGRESS_FAST_TICK_MASK, 25));
2026 airoha_qdma_rmw(qdma, REG_EGRESS_TRTCM_CFG,
2027 EGRESS_SLOW_TICK_RATIO_MASK,
2028 FIELD_PREP(EGRESS_SLOW_TICK_RATIO_MASK, 40));
2030 airoha_qdma_set(qdma, REG_INGRESS_TRTCM_CFG, INGRESS_TRTCM_EN_MASK);
2031 airoha_qdma_clear(qdma, REG_INGRESS_TRTCM_CFG,
2032 INGRESS_TRTCM_MODE_MASK);
2033 airoha_qdma_rmw(qdma, REG_INGRESS_TRTCM_CFG, INGRESS_FAST_TICK_MASK,
2034 FIELD_PREP(INGRESS_FAST_TICK_MASK, 125));
2035 airoha_qdma_rmw(qdma, REG_INGRESS_TRTCM_CFG,
2036 INGRESS_SLOW_TICK_RATIO_MASK,
2037 FIELD_PREP(INGRESS_SLOW_TICK_RATIO_MASK, 8));
2039 airoha_qdma_set(qdma, REG_SLA_TRTCM_CFG, SLA_TRTCM_EN_MASK);
2040 airoha_qdma_rmw(qdma, REG_SLA_TRTCM_CFG, SLA_FAST_TICK_MASK,
2041 FIELD_PREP(SLA_FAST_TICK_MASK, 25));
2042 airoha_qdma_rmw(qdma, REG_SLA_TRTCM_CFG, SLA_SLOW_TICK_RATIO_MASK,
2043 FIELD_PREP(SLA_SLOW_TICK_RATIO_MASK, 40));
2046 static void airoha_qdma_init_qos_stats(struct airoha_qdma *qdma)
2050 for (i = 0; i < AIROHA_NUM_QOS_CHANNELS; i++) {
2051 /* Tx-cpu transferred count */
2052 airoha_qdma_wr(qdma, REG_CNTR_VAL(i << 1), 0);
2053 airoha_qdma_wr(qdma, REG_CNTR_CFG(i << 1),
2054 CNTR_EN_MASK | CNTR_ALL_QUEUE_EN_MASK |
2055 CNTR_ALL_DSCP_RING_EN_MASK |
2056 FIELD_PREP(CNTR_CHAN_MASK, i));
2057 /* Tx-fwd transferred count */
2058 airoha_qdma_wr(qdma, REG_CNTR_VAL((i << 1) + 1), 0);
2059 airoha_qdma_wr(qdma, REG_CNTR_CFG(i << 1),
2060 CNTR_EN_MASK | CNTR_ALL_QUEUE_EN_MASK |
2061 CNTR_ALL_DSCP_RING_EN_MASK |
2062 FIELD_PREP(CNTR_SRC_MASK, 1) |
2063 FIELD_PREP(CNTR_CHAN_MASK, i));
2067 static int airoha_qdma_hw_init(struct airoha_qdma *qdma)
2071 /* clear pending irqs */
2072 for (i = 0; i < ARRAY_SIZE(qdma->irqmask); i++)
2073 airoha_qdma_wr(qdma, REG_INT_STATUS(i), 0xffffffff);
2076 airoha_qdma_irq_enable(qdma, QDMA_INT_REG_IDX0, INT_IDX0_MASK);
2077 airoha_qdma_irq_enable(qdma, QDMA_INT_REG_IDX1, INT_IDX1_MASK);
2078 airoha_qdma_irq_enable(qdma, QDMA_INT_REG_IDX4, INT_IDX4_MASK);
2080 /* setup irq binding */
2081 for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
2082 if (!qdma->q_tx[i].ndesc)
2085 if (TX_RING_IRQ_BLOCKING_MAP_MASK & BIT(i))
2086 airoha_qdma_set(qdma, REG_TX_RING_BLOCKING(i),
2087 TX_RING_IRQ_BLOCKING_CFG_MASK);
2089 airoha_qdma_clear(qdma, REG_TX_RING_BLOCKING(i),
2090 TX_RING_IRQ_BLOCKING_CFG_MASK);
2093 airoha_qdma_wr(qdma, REG_QDMA_GLOBAL_CFG,
2094 GLOBAL_CFG_RX_2B_OFFSET_MASK |
2095 FIELD_PREP(GLOBAL_CFG_DMA_PREFERENCE_MASK, 3) |
2096 GLOBAL_CFG_CPU_TXR_RR_MASK |
2097 GLOBAL_CFG_PAYLOAD_BYTE_SWAP_MASK |
2098 GLOBAL_CFG_MULTICAST_MODIFY_FP_MASK |
2099 GLOBAL_CFG_MULTICAST_EN_MASK |
2100 GLOBAL_CFG_IRQ0_EN_MASK | GLOBAL_CFG_IRQ1_EN_MASK |
2101 GLOBAL_CFG_TX_WB_DONE_MASK |
2102 FIELD_PREP(GLOBAL_CFG_MAX_ISSUE_NUM_MASK, 2));
2104 airoha_qdma_init_qos(qdma);
2106 /* disable qdma rx delay interrupt */
2107 for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
2108 if (!qdma->q_rx[i].ndesc)
2111 airoha_qdma_clear(qdma, REG_RX_DELAY_INT_IDX(i),
2115 airoha_qdma_set(qdma, REG_TXQ_CNGST_CFG,
2116 TXQ_CNGST_DROP_EN | TXQ_CNGST_DEI_DROP_EN);
2117 airoha_qdma_init_qos_stats(qdma);
2122 static irqreturn_t airoha_irq_handler(int irq, void *dev_instance)
2124 struct airoha_qdma *qdma = dev_instance;
2125 u32 intr[ARRAY_SIZE(qdma->irqmask)];
2128 for (i = 0; i < ARRAY_SIZE(qdma->irqmask); i++) {
2129 intr[i] = airoha_qdma_rr(qdma, REG_INT_STATUS(i));
2130 intr[i] &= qdma->irqmask[i];
2131 airoha_qdma_wr(qdma, REG_INT_STATUS(i), intr[i]);
2134 if (!test_bit(DEV_STATE_INITIALIZED, &qdma->eth->state))
2137 if (intr[1] & RX_DONE_INT_MASK) {
2138 airoha_qdma_irq_disable(qdma, QDMA_INT_REG_IDX1,
2141 for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
2142 if (!qdma->q_rx[i].ndesc)
2145 if (intr[1] & BIT(i))
2146 napi_schedule(&qdma->q_rx[i].napi);
2150 if (intr[0] & INT_TX_MASK) {
2151 for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++) {
2152 if (!(intr[0] & TX_DONE_INT_MASK(i)))
2155 airoha_qdma_irq_disable(qdma, QDMA_INT_REG_IDX0,
2156 TX_DONE_INT_MASK(i));
2157 napi_schedule(&qdma->q_tx_irq[i].napi);
2164 static int airoha_qdma_init(struct platform_device *pdev,
2165 struct airoha_eth *eth,
2166 struct airoha_qdma *qdma)
2168 int err, id = qdma - ð->qdma[0];
2171 spin_lock_init(&qdma->irq_lock);
2174 res = devm_kasprintf(eth->dev, GFP_KERNEL, "qdma%d", id);
2178 qdma->regs = devm_platform_ioremap_resource_byname(pdev, res);
2179 if (IS_ERR(qdma->regs))
2180 return dev_err_probe(eth->dev, PTR_ERR(qdma->regs),
2181 "failed to iomap qdma%d regs\n", id);
2183 qdma->irq = platform_get_irq(pdev, 4 * id);
2187 err = devm_request_irq(eth->dev, qdma->irq, airoha_irq_handler,
2188 IRQF_SHARED, KBUILD_MODNAME, qdma);
2192 err = airoha_qdma_init_rx(qdma);
2196 err = airoha_qdma_init_tx(qdma);
2200 err = airoha_qdma_init_hfwd_queues(qdma);
2204 return airoha_qdma_hw_init(qdma);
2207 static int airoha_hw_init(struct platform_device *pdev,
2208 struct airoha_eth *eth)
2213 err = reset_control_bulk_assert(ARRAY_SIZE(eth->xsi_rsts),
2218 err = reset_control_bulk_assert(ARRAY_SIZE(eth->rsts), eth->rsts);
2223 err = reset_control_bulk_deassert(ARRAY_SIZE(eth->rsts), eth->rsts);
2228 err = airoha_fe_init(eth);
2232 for (i = 0; i < ARRAY_SIZE(eth->qdma); i++) {
2233 err = airoha_qdma_init(pdev, eth, ð->qdma[i]);
2238 set_bit(DEV_STATE_INITIALIZED, ð->state);
2243 static void airoha_hw_cleanup(struct airoha_qdma *qdma)
2247 for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
2248 if (!qdma->q_rx[i].ndesc)
2251 netif_napi_del(&qdma->q_rx[i].napi);
2252 airoha_qdma_cleanup_rx_queue(&qdma->q_rx[i]);
2253 if (qdma->q_rx[i].page_pool)
2254 page_pool_destroy(qdma->q_rx[i].page_pool);
2257 for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++)
2258 netif_napi_del(&qdma->q_tx_irq[i].napi);
2260 for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
2261 if (!qdma->q_tx[i].ndesc)
2264 airoha_qdma_cleanup_tx_queue(&qdma->q_tx[i]);
2268 static void airoha_qdma_start_napi(struct airoha_qdma *qdma)
2272 for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++)
2273 napi_enable(&qdma->q_tx_irq[i].napi);
2275 for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
2276 if (!qdma->q_rx[i].ndesc)
2279 napi_enable(&qdma->q_rx[i].napi);
2283 static void airoha_qdma_stop_napi(struct airoha_qdma *qdma)
2287 for (i = 0; i < ARRAY_SIZE(qdma->q_tx_irq); i++)
2288 napi_disable(&qdma->q_tx_irq[i].napi);
2290 for (i = 0; i < ARRAY_SIZE(qdma->q_rx); i++) {
2291 if (!qdma->q_rx[i].ndesc)
2294 napi_disable(&qdma->q_rx[i].napi);
2298 static void airoha_update_hw_stats(struct airoha_gdm_port *port)
2300 struct airoha_eth *eth = port->qdma->eth;
2303 spin_lock(&port->stats.lock);
2304 u64_stats_update_begin(&port->stats.syncp);
2307 val = airoha_fe_rr(eth, REG_FE_GDM_TX_OK_PKT_CNT_H(port->id));
2308 port->stats.tx_ok_pkts += ((u64)val << 32);
2309 val = airoha_fe_rr(eth, REG_FE_GDM_TX_OK_PKT_CNT_L(port->id));
2310 port->stats.tx_ok_pkts += val;
2312 val = airoha_fe_rr(eth, REG_FE_GDM_TX_OK_BYTE_CNT_H(port->id));
2313 port->stats.tx_ok_bytes += ((u64)val << 32);
2314 val = airoha_fe_rr(eth, REG_FE_GDM_TX_OK_BYTE_CNT_L(port->id));
2315 port->stats.tx_ok_bytes += val;
2317 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_DROP_CNT(port->id));
2318 port->stats.tx_drops += val;
2320 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_BC_CNT(port->id));
2321 port->stats.tx_broadcast += val;
2323 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_MC_CNT(port->id));
2324 port->stats.tx_multicast += val;
2326 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_RUNT_CNT(port->id));
2327 port->stats.tx_len[i] += val;
2329 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_E64_CNT_H(port->id));
2330 port->stats.tx_len[i] += ((u64)val << 32);
2331 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_E64_CNT_L(port->id));
2332 port->stats.tx_len[i++] += val;
2334 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L64_CNT_H(port->id));
2335 port->stats.tx_len[i] += ((u64)val << 32);
2336 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L64_CNT_L(port->id));
2337 port->stats.tx_len[i++] += val;
2339 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L127_CNT_H(port->id));
2340 port->stats.tx_len[i] += ((u64)val << 32);
2341 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L127_CNT_L(port->id));
2342 port->stats.tx_len[i++] += val;
2344 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L255_CNT_H(port->id));
2345 port->stats.tx_len[i] += ((u64)val << 32);
2346 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L255_CNT_L(port->id));
2347 port->stats.tx_len[i++] += val;
2349 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L511_CNT_H(port->id));
2350 port->stats.tx_len[i] += ((u64)val << 32);
2351 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L511_CNT_L(port->id));
2352 port->stats.tx_len[i++] += val;
2354 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L1023_CNT_H(port->id));
2355 port->stats.tx_len[i] += ((u64)val << 32);
2356 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_L1023_CNT_L(port->id));
2357 port->stats.tx_len[i++] += val;
2359 val = airoha_fe_rr(eth, REG_FE_GDM_TX_ETH_LONG_CNT(port->id));
2360 port->stats.tx_len[i++] += val;
2363 val = airoha_fe_rr(eth, REG_FE_GDM_RX_OK_PKT_CNT_H(port->id));
2364 port->stats.rx_ok_pkts += ((u64)val << 32);
2365 val = airoha_fe_rr(eth, REG_FE_GDM_RX_OK_PKT_CNT_L(port->id));
2366 port->stats.rx_ok_pkts += val;
2368 val = airoha_fe_rr(eth, REG_FE_GDM_RX_OK_BYTE_CNT_H(port->id));
2369 port->stats.rx_ok_bytes += ((u64)val << 32);
2370 val = airoha_fe_rr(eth, REG_FE_GDM_RX_OK_BYTE_CNT_L(port->id));
2371 port->stats.rx_ok_bytes += val;
2373 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_DROP_CNT(port->id));
2374 port->stats.rx_drops += val;
2376 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_BC_CNT(port->id));
2377 port->stats.rx_broadcast += val;
2379 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_MC_CNT(port->id));
2380 port->stats.rx_multicast += val;
2382 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ERROR_DROP_CNT(port->id));
2383 port->stats.rx_errors += val;
2385 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_CRC_ERR_CNT(port->id));
2386 port->stats.rx_crc_error += val;
2388 val = airoha_fe_rr(eth, REG_FE_GDM_RX_OVERFLOW_DROP_CNT(port->id));
2389 port->stats.rx_over_errors += val;
2391 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_FRAG_CNT(port->id));
2392 port->stats.rx_fragment += val;
2394 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_JABBER_CNT(port->id));
2395 port->stats.rx_jabber += val;
2398 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_RUNT_CNT(port->id));
2399 port->stats.rx_len[i] += val;
2401 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_E64_CNT_H(port->id));
2402 port->stats.rx_len[i] += ((u64)val << 32);
2403 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_E64_CNT_L(port->id));
2404 port->stats.rx_len[i++] += val;
2406 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L64_CNT_H(port->id));
2407 port->stats.rx_len[i] += ((u64)val << 32);
2408 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L64_CNT_L(port->id));
2409 port->stats.rx_len[i++] += val;
2411 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L127_CNT_H(port->id));
2412 port->stats.rx_len[i] += ((u64)val << 32);
2413 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L127_CNT_L(port->id));
2414 port->stats.rx_len[i++] += val;
2416 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L255_CNT_H(port->id));
2417 port->stats.rx_len[i] += ((u64)val << 32);
2418 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L255_CNT_L(port->id));
2419 port->stats.rx_len[i++] += val;
2421 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L511_CNT_H(port->id));
2422 port->stats.rx_len[i] += ((u64)val << 32);
2423 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L511_CNT_L(port->id));
2424 port->stats.rx_len[i++] += val;
2426 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L1023_CNT_H(port->id));
2427 port->stats.rx_len[i] += ((u64)val << 32);
2428 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_L1023_CNT_L(port->id));
2429 port->stats.rx_len[i++] += val;
2431 val = airoha_fe_rr(eth, REG_FE_GDM_RX_ETH_LONG_CNT(port->id));
2432 port->stats.rx_len[i++] += val;
2434 /* reset mib counters */
2435 airoha_fe_set(eth, REG_FE_GDM_MIB_CLEAR(port->id),
2436 FE_GDM_MIB_RX_CLEAR_MASK | FE_GDM_MIB_TX_CLEAR_MASK);
2438 u64_stats_update_end(&port->stats.syncp);
2439 spin_unlock(&port->stats.lock);
2442 static int airoha_dev_open(struct net_device *dev)
2444 struct airoha_gdm_port *port = netdev_priv(dev);
2445 struct airoha_qdma *qdma = port->qdma;
2448 netif_tx_start_all_queues(dev);
2449 err = airoha_set_gdm_ports(qdma->eth, true);
2453 if (netdev_uses_dsa(dev))
2454 airoha_fe_set(qdma->eth, REG_GDM_INGRESS_CFG(port->id),
2457 airoha_fe_clear(qdma->eth, REG_GDM_INGRESS_CFG(port->id),
2460 airoha_qdma_set(qdma, REG_QDMA_GLOBAL_CFG,
2461 GLOBAL_CFG_TX_DMA_EN_MASK |
2462 GLOBAL_CFG_RX_DMA_EN_MASK);
2467 static int airoha_dev_stop(struct net_device *dev)
2469 struct airoha_gdm_port *port = netdev_priv(dev);
2470 struct airoha_qdma *qdma = port->qdma;
2473 netif_tx_disable(dev);
2474 err = airoha_set_gdm_ports(qdma->eth, false);
2478 airoha_qdma_clear(qdma, REG_QDMA_GLOBAL_CFG,
2479 GLOBAL_CFG_TX_DMA_EN_MASK |
2480 GLOBAL_CFG_RX_DMA_EN_MASK);
2482 for (i = 0; i < ARRAY_SIZE(qdma->q_tx); i++) {
2483 if (!qdma->q_tx[i].ndesc)
2486 airoha_qdma_cleanup_tx_queue(&qdma->q_tx[i]);
2487 netdev_tx_reset_subqueue(dev, i);
2493 static int airoha_dev_set_macaddr(struct net_device *dev, void *p)
2495 struct airoha_gdm_port *port = netdev_priv(dev);
2498 err = eth_mac_addr(dev, p);
2502 airoha_set_macaddr(port, dev->dev_addr);
2507 static int airoha_dev_init(struct net_device *dev)
2509 struct airoha_gdm_port *port = netdev_priv(dev);
2511 airoha_set_macaddr(port, dev->dev_addr);
2516 static void airoha_dev_get_stats64(struct net_device *dev,
2517 struct rtnl_link_stats64 *storage)
2519 struct airoha_gdm_port *port = netdev_priv(dev);
2522 airoha_update_hw_stats(port);
2524 start = u64_stats_fetch_begin(&port->stats.syncp);
2525 storage->rx_packets = port->stats.rx_ok_pkts;
2526 storage->tx_packets = port->stats.tx_ok_pkts;
2527 storage->rx_bytes = port->stats.rx_ok_bytes;
2528 storage->tx_bytes = port->stats.tx_ok_bytes;
2529 storage->multicast = port->stats.rx_multicast;
2530 storage->rx_errors = port->stats.rx_errors;
2531 storage->rx_dropped = port->stats.rx_drops;
2532 storage->tx_dropped = port->stats.tx_drops;
2533 storage->rx_crc_errors = port->stats.rx_crc_error;
2534 storage->rx_over_errors = port->stats.rx_over_errors;
2535 } while (u64_stats_fetch_retry(&port->stats.syncp, start));
2538 static u16 airoha_dev_select_queue(struct net_device *dev, struct sk_buff *skb,
2539 struct net_device *sb_dev)
2541 struct airoha_gdm_port *port = netdev_priv(dev);
2544 /* For dsa device select QoS channel according to the dsa user port
2545 * index, rely on port id otherwise. Select QoS queue based on the
2548 channel = netdev_uses_dsa(dev) ? skb_get_queue_mapping(skb) : port->id;
2549 channel = channel % AIROHA_NUM_QOS_CHANNELS;
2550 queue = (skb->priority - 1) % AIROHA_NUM_QOS_QUEUES; /* QoS queue */
2551 queue = channel * AIROHA_NUM_QOS_QUEUES + queue;
2553 return queue < dev->num_tx_queues ? queue : 0;
2556 static netdev_tx_t airoha_dev_xmit(struct sk_buff *skb,
2557 struct net_device *dev)
2559 struct skb_shared_info *sinfo = skb_shinfo(skb);
2560 struct airoha_gdm_port *port = netdev_priv(dev);
2561 u32 msg0, msg1, len = skb_headlen(skb);
2562 struct airoha_qdma *qdma = port->qdma;
2563 u32 nr_frags = 1 + sinfo->nr_frags;
2564 struct netdev_queue *txq;
2565 struct airoha_queue *q;
2566 void *data = skb->data;
2571 qid = skb_get_queue_mapping(skb) % ARRAY_SIZE(qdma->q_tx);
2572 msg0 = FIELD_PREP(QDMA_ETH_TXMSG_CHAN_MASK,
2573 qid / AIROHA_NUM_QOS_QUEUES) |
2574 FIELD_PREP(QDMA_ETH_TXMSG_QUEUE_MASK,
2575 qid % AIROHA_NUM_QOS_QUEUES);
2576 if (skb->ip_summed == CHECKSUM_PARTIAL)
2577 msg0 |= FIELD_PREP(QDMA_ETH_TXMSG_TCO_MASK, 1) |
2578 FIELD_PREP(QDMA_ETH_TXMSG_UCO_MASK, 1) |
2579 FIELD_PREP(QDMA_ETH_TXMSG_ICO_MASK, 1);
2581 /* TSO: fill MSS info in tcp checksum field */
2582 if (skb_is_gso(skb)) {
2583 if (skb_cow_head(skb, 0))
2586 if (sinfo->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) {
2587 __be16 csum = cpu_to_be16(sinfo->gso_size);
2589 tcp_hdr(skb)->check = (__force __sum16)csum;
2590 msg0 |= FIELD_PREP(QDMA_ETH_TXMSG_TSO_MASK, 1);
2594 fport = port->id == 4 ? FE_PSE_PORT_GDM4 : port->id;
2595 msg1 = FIELD_PREP(QDMA_ETH_TXMSG_FPORT_MASK, fport) |
2596 FIELD_PREP(QDMA_ETH_TXMSG_METER_MASK, 0x7f);
2598 q = &qdma->q_tx[qid];
2599 if (WARN_ON_ONCE(!q->ndesc))
2602 spin_lock_bh(&q->lock);
2604 txq = netdev_get_tx_queue(dev, qid);
2605 if (q->queued + nr_frags > q->ndesc) {
2606 /* not enough space in the queue */
2607 netif_tx_stop_queue(txq);
2608 spin_unlock_bh(&q->lock);
2609 return NETDEV_TX_BUSY;
2613 for (i = 0; i < nr_frags; i++) {
2614 struct airoha_qdma_desc *desc = &q->desc[index];
2615 struct airoha_queue_entry *e = &q->entry[index];
2616 skb_frag_t *frag = &sinfo->frags[i];
2620 addr = dma_map_single(dev->dev.parent, data, len,
2622 if (unlikely(dma_mapping_error(dev->dev.parent, addr)))
2625 index = (index + 1) % q->ndesc;
2627 val = FIELD_PREP(QDMA_DESC_LEN_MASK, len);
2628 if (i < nr_frags - 1)
2629 val |= FIELD_PREP(QDMA_DESC_MORE_MASK, 1);
2630 WRITE_ONCE(desc->ctrl, cpu_to_le32(val));
2631 WRITE_ONCE(desc->addr, cpu_to_le32(addr));
2632 val = FIELD_PREP(QDMA_DESC_NEXT_ID_MASK, index);
2633 WRITE_ONCE(desc->data, cpu_to_le32(val));
2634 WRITE_ONCE(desc->msg0, cpu_to_le32(msg0));
2635 WRITE_ONCE(desc->msg1, cpu_to_le32(msg1));
2636 WRITE_ONCE(desc->msg2, cpu_to_le32(0xffff));
2638 e->skb = i ? NULL : skb;
2642 data = skb_frag_address(frag);
2643 len = skb_frag_size(frag);
2649 skb_tx_timestamp(skb);
2650 netdev_tx_sent_queue(txq, skb->len);
2652 if (netif_xmit_stopped(txq) || !netdev_xmit_more())
2653 airoha_qdma_rmw(qdma, REG_TX_CPU_IDX(qid),
2654 TX_RING_CPU_IDX_MASK,
2655 FIELD_PREP(TX_RING_CPU_IDX_MASK, q->head));
2657 if (q->ndesc - q->queued < q->free_thr)
2658 netif_tx_stop_queue(txq);
2660 spin_unlock_bh(&q->lock);
2662 return NETDEV_TX_OK;
2665 for (i--; i >= 0; i--) {
2666 index = (q->head + i) % q->ndesc;
2667 dma_unmap_single(dev->dev.parent, q->entry[index].dma_addr,
2668 q->entry[index].dma_len, DMA_TO_DEVICE);
2671 spin_unlock_bh(&q->lock);
2673 dev_kfree_skb_any(skb);
2674 dev->stats.tx_dropped++;
2676 return NETDEV_TX_OK;
2679 static void airoha_ethtool_get_drvinfo(struct net_device *dev,
2680 struct ethtool_drvinfo *info)
2682 struct airoha_gdm_port *port = netdev_priv(dev);
2683 struct airoha_eth *eth = port->qdma->eth;
2685 strscpy(info->driver, eth->dev->driver->name, sizeof(info->driver));
2686 strscpy(info->bus_info, dev_name(eth->dev), sizeof(info->bus_info));
2689 static void airoha_ethtool_get_mac_stats(struct net_device *dev,
2690 struct ethtool_eth_mac_stats *stats)
2692 struct airoha_gdm_port *port = netdev_priv(dev);
2695 airoha_update_hw_stats(port);
2697 start = u64_stats_fetch_begin(&port->stats.syncp);
2698 stats->MulticastFramesXmittedOK = port->stats.tx_multicast;
2699 stats->BroadcastFramesXmittedOK = port->stats.tx_broadcast;
2700 stats->BroadcastFramesReceivedOK = port->stats.rx_broadcast;
2701 } while (u64_stats_fetch_retry(&port->stats.syncp, start));
2704 static const struct ethtool_rmon_hist_range airoha_ethtool_rmon_ranges[] = {
2716 airoha_ethtool_get_rmon_stats(struct net_device *dev,
2717 struct ethtool_rmon_stats *stats,
2718 const struct ethtool_rmon_hist_range **ranges)
2720 struct airoha_gdm_port *port = netdev_priv(dev);
2721 struct airoha_hw_stats *hw_stats = &port->stats;
2724 BUILD_BUG_ON(ARRAY_SIZE(airoha_ethtool_rmon_ranges) !=
2725 ARRAY_SIZE(hw_stats->tx_len) + 1);
2726 BUILD_BUG_ON(ARRAY_SIZE(airoha_ethtool_rmon_ranges) !=
2727 ARRAY_SIZE(hw_stats->rx_len) + 1);
2729 *ranges = airoha_ethtool_rmon_ranges;
2730 airoha_update_hw_stats(port);
2734 start = u64_stats_fetch_begin(&port->stats.syncp);
2735 stats->fragments = hw_stats->rx_fragment;
2736 stats->jabbers = hw_stats->rx_jabber;
2737 for (i = 0; i < ARRAY_SIZE(airoha_ethtool_rmon_ranges) - 1;
2739 stats->hist[i] = hw_stats->rx_len[i];
2740 stats->hist_tx[i] = hw_stats->tx_len[i];
2742 } while (u64_stats_fetch_retry(&port->stats.syncp, start));
2745 static int airoha_qdma_set_chan_tx_sched(struct airoha_gdm_port *port,
2746 int channel, enum tx_sched_mode mode,
2747 const u16 *weights, u8 n_weights)
2751 for (i = 0; i < AIROHA_NUM_TX_RING; i++)
2752 airoha_qdma_clear(port->qdma, REG_QUEUE_CLOSE_CFG(channel),
2753 TXQ_DISABLE_CHAN_QUEUE_MASK(channel, i));
2755 for (i = 0; i < n_weights; i++) {
2759 airoha_qdma_wr(port->qdma, REG_TXWRR_WEIGHT_CFG,
2761 FIELD_PREP(TWRR_CHAN_IDX_MASK, channel) |
2762 FIELD_PREP(TWRR_QUEUE_IDX_MASK, i) |
2763 FIELD_PREP(TWRR_VALUE_MASK, weights[i]));
2764 err = read_poll_timeout(airoha_qdma_rr, status,
2765 status & TWRR_RW_CMD_DONE,
2766 USEC_PER_MSEC, 10 * USEC_PER_MSEC,
2768 REG_TXWRR_WEIGHT_CFG);
2773 airoha_qdma_rmw(port->qdma, REG_CHAN_QOS_MODE(channel >> 3),
2774 CHAN_QOS_MODE_MASK(channel),
2775 mode << __ffs(CHAN_QOS_MODE_MASK(channel)));
2780 static int airoha_qdma_set_tx_prio_sched(struct airoha_gdm_port *port,
2783 static const u16 w[AIROHA_NUM_QOS_QUEUES] = {};
2785 return airoha_qdma_set_chan_tx_sched(port, channel, TC_SCH_SP, w,
2789 static int airoha_qdma_set_tx_ets_sched(struct airoha_gdm_port *port,
2791 struct tc_ets_qopt_offload *opt)
2793 struct tc_ets_qopt_offload_replace_params *p = &opt->replace_params;
2794 enum tx_sched_mode mode = TC_SCH_SP;
2795 u16 w[AIROHA_NUM_QOS_QUEUES] = {};
2796 int i, nstrict = 0, nwrr, qidx;
2798 if (p->bands > AIROHA_NUM_QOS_QUEUES)
2801 for (i = 0; i < p->bands; i++) {
2806 /* this configuration is not supported by the hw */
2807 if (nstrict == AIROHA_NUM_QOS_QUEUES - 1)
2810 /* EN7581 SoC supports fixed QoS band priority where WRR queues have
2811 * lowest priorities with respect to SP ones.
2812 * e.g: WRR0, WRR1, .., WRRm, SP0, SP1, .., SPn
2814 nwrr = p->bands - nstrict;
2815 qidx = nstrict && nwrr ? nstrict : 0;
2816 for (i = 1; i <= p->bands; i++) {
2817 if (p->priomap[i % AIROHA_NUM_QOS_QUEUES] != qidx)
2820 qidx = i == nwrr ? 0 : qidx + 1;
2823 for (i = 0; i < nwrr; i++)
2824 w[i] = p->weights[nstrict + i];
2828 else if (nstrict < AIROHA_NUM_QOS_QUEUES - 1)
2831 return airoha_qdma_set_chan_tx_sched(port, channel, mode, w,
2835 static int airoha_qdma_get_tx_ets_stats(struct airoha_gdm_port *port,
2837 struct tc_ets_qopt_offload *opt)
2839 u64 cpu_tx_packets = airoha_qdma_rr(port->qdma,
2840 REG_CNTR_VAL(channel << 1));
2841 u64 fwd_tx_packets = airoha_qdma_rr(port->qdma,
2842 REG_CNTR_VAL((channel << 1) + 1));
2843 u64 tx_packets = (cpu_tx_packets - port->cpu_tx_packets) +
2844 (fwd_tx_packets - port->fwd_tx_packets);
2845 _bstats_update(opt->stats.bstats, 0, tx_packets);
2847 port->cpu_tx_packets = cpu_tx_packets;
2848 port->fwd_tx_packets = fwd_tx_packets;
2853 static int airoha_tc_setup_qdisc_ets(struct airoha_gdm_port *port,
2854 struct tc_ets_qopt_offload *opt)
2858 if (opt->parent == TC_H_ROOT)
2861 channel = TC_H_MAJ(opt->handle) >> 16;
2862 channel = channel % AIROHA_NUM_QOS_CHANNELS;
2864 switch (opt->command) {
2865 case TC_ETS_REPLACE:
2866 return airoha_qdma_set_tx_ets_sched(port, channel, opt);
2867 case TC_ETS_DESTROY:
2868 /* PRIO is default qdisc scheduler */
2869 return airoha_qdma_set_tx_prio_sched(port, channel);
2871 return airoha_qdma_get_tx_ets_stats(port, channel, opt);
2877 static int airoha_qdma_get_trtcm_param(struct airoha_qdma *qdma, int channel,
2878 u32 addr, enum trtcm_param_type param,
2879 enum trtcm_mode_type mode,
2880 u32 *val_low, u32 *val_high)
2882 u32 idx = QDMA_METER_IDX(channel), group = QDMA_METER_GROUP(channel);
2883 u32 val, config = FIELD_PREP(TRTCM_PARAM_TYPE_MASK, param) |
2884 FIELD_PREP(TRTCM_METER_GROUP_MASK, group) |
2885 FIELD_PREP(TRTCM_PARAM_INDEX_MASK, idx) |
2886 FIELD_PREP(TRTCM_PARAM_RATE_TYPE_MASK, mode);
2888 airoha_qdma_wr(qdma, REG_TRTCM_CFG_PARAM(addr), config);
2889 if (read_poll_timeout(airoha_qdma_rr, val,
2890 val & TRTCM_PARAM_RW_DONE_MASK,
2891 USEC_PER_MSEC, 10 * USEC_PER_MSEC, true,
2892 qdma, REG_TRTCM_CFG_PARAM(addr)))
2895 *val_low = airoha_qdma_rr(qdma, REG_TRTCM_DATA_LOW(addr));
2897 *val_high = airoha_qdma_rr(qdma, REG_TRTCM_DATA_HIGH(addr));
2902 static int airoha_qdma_set_trtcm_param(struct airoha_qdma *qdma, int channel,
2903 u32 addr, enum trtcm_param_type param,
2904 enum trtcm_mode_type mode, u32 val)
2906 u32 idx = QDMA_METER_IDX(channel), group = QDMA_METER_GROUP(channel);
2907 u32 config = TRTCM_PARAM_RW_MASK |
2908 FIELD_PREP(TRTCM_PARAM_TYPE_MASK, param) |
2909 FIELD_PREP(TRTCM_METER_GROUP_MASK, group) |
2910 FIELD_PREP(TRTCM_PARAM_INDEX_MASK, idx) |
2911 FIELD_PREP(TRTCM_PARAM_RATE_TYPE_MASK, mode);
2913 airoha_qdma_wr(qdma, REG_TRTCM_DATA_LOW(addr), val);
2914 airoha_qdma_wr(qdma, REG_TRTCM_CFG_PARAM(addr), config);
2916 return read_poll_timeout(airoha_qdma_rr, val,
2917 val & TRTCM_PARAM_RW_DONE_MASK,
2918 USEC_PER_MSEC, 10 * USEC_PER_MSEC, true,
2919 qdma, REG_TRTCM_CFG_PARAM(addr));
2922 static int airoha_qdma_set_trtcm_config(struct airoha_qdma *qdma, int channel,
2923 u32 addr, enum trtcm_mode_type mode,
2924 bool enable, u32 enable_mask)
2928 if (airoha_qdma_get_trtcm_param(qdma, channel, addr, TRTCM_MISC_MODE,
2932 val = enable ? val | enable_mask : val & ~enable_mask;
2934 return airoha_qdma_set_trtcm_param(qdma, channel, addr, TRTCM_MISC_MODE,
2938 static int airoha_qdma_set_trtcm_token_bucket(struct airoha_qdma *qdma,
2939 int channel, u32 addr,
2940 enum trtcm_mode_type mode,
2941 u32 rate_val, u32 bucket_size)
2943 u32 val, config, tick, unit, rate, rate_frac;
2946 if (airoha_qdma_get_trtcm_param(qdma, channel, addr, TRTCM_MISC_MODE,
2947 mode, &config, NULL))
2950 val = airoha_qdma_rr(qdma, addr);
2951 tick = FIELD_GET(INGRESS_FAST_TICK_MASK, val);
2952 if (config & TRTCM_TICK_SEL)
2953 tick *= FIELD_GET(INGRESS_SLOW_TICK_RATIO_MASK, val);
2957 unit = (config & TRTCM_PKT_MODE) ? 1000000 / tick : 8000 / tick;
2961 rate = rate_val / unit;
2962 rate_frac = rate_val % unit;
2963 rate_frac = FIELD_PREP(TRTCM_TOKEN_RATE_MASK, rate_frac) / unit;
2964 rate = FIELD_PREP(TRTCM_TOKEN_RATE_MASK, rate) |
2965 FIELD_PREP(TRTCM_TOKEN_RATE_FRACTION_MASK, rate_frac);
2967 err = airoha_qdma_set_trtcm_param(qdma, channel, addr,
2968 TRTCM_TOKEN_RATE_MODE, mode, rate);
2972 val = max_t(u32, bucket_size, MIN_TOKEN_SIZE);
2973 val = min_t(u32, __fls(val), MAX_TOKEN_SIZE_OFFSET);
2975 return airoha_qdma_set_trtcm_param(qdma, channel, addr,
2976 TRTCM_BUCKETSIZE_SHIFT_MODE,
2980 static int airoha_qdma_set_tx_rate_limit(struct airoha_gdm_port *port,
2981 int channel, u32 rate,
2986 for (i = 0; i <= TRTCM_PEAK_MODE; i++) {
2987 err = airoha_qdma_set_trtcm_config(port->qdma, channel,
2988 REG_EGRESS_TRTCM_CFG, i,
2989 !!rate, TRTCM_METER_MODE);
2993 err = airoha_qdma_set_trtcm_token_bucket(port->qdma, channel,
2994 REG_EGRESS_TRTCM_CFG,
2995 i, rate, bucket_size);
3003 static int airoha_tc_htb_alloc_leaf_queue(struct airoha_gdm_port *port,
3004 struct tc_htb_qopt_offload *opt)
3006 u32 channel = TC_H_MIN(opt->classid) % AIROHA_NUM_QOS_CHANNELS;
3007 u32 rate = div_u64(opt->rate, 1000) << 3; /* kbps */
3008 struct net_device *dev = port->dev;
3009 int num_tx_queues = dev->real_num_tx_queues;
3012 if (opt->parent_classid != TC_HTB_CLASSID_ROOT) {
3013 NL_SET_ERR_MSG_MOD(opt->extack, "invalid parent classid");
3017 err = airoha_qdma_set_tx_rate_limit(port, channel, rate, opt->quantum);
3019 NL_SET_ERR_MSG_MOD(opt->extack,
3020 "failed configuring htb offload");
3024 if (opt->command == TC_HTB_NODE_MODIFY)
3027 err = netif_set_real_num_tx_queues(dev, num_tx_queues + 1);
3029 airoha_qdma_set_tx_rate_limit(port, channel, 0, opt->quantum);
3030 NL_SET_ERR_MSG_MOD(opt->extack,
3031 "failed setting real_num_tx_queues");
3035 set_bit(channel, port->qos_sq_bmap);
3036 opt->qid = AIROHA_NUM_TX_RING + channel;
3041 static void airoha_tc_remove_htb_queue(struct airoha_gdm_port *port, int queue)
3043 struct net_device *dev = port->dev;
3045 netif_set_real_num_tx_queues(dev, dev->real_num_tx_queues - 1);
3046 airoha_qdma_set_tx_rate_limit(port, queue + 1, 0, 0);
3047 clear_bit(queue, port->qos_sq_bmap);
3050 static int airoha_tc_htb_delete_leaf_queue(struct airoha_gdm_port *port,
3051 struct tc_htb_qopt_offload *opt)
3053 u32 channel = TC_H_MIN(opt->classid) % AIROHA_NUM_QOS_CHANNELS;
3055 if (!test_bit(channel, port->qos_sq_bmap)) {
3056 NL_SET_ERR_MSG_MOD(opt->extack, "invalid queue id");
3060 airoha_tc_remove_htb_queue(port, channel);
3065 static int airoha_tc_htb_destroy(struct airoha_gdm_port *port)
3069 for_each_set_bit(q, port->qos_sq_bmap, AIROHA_NUM_QOS_CHANNELS)
3070 airoha_tc_remove_htb_queue(port, q);
3075 static int airoha_tc_get_htb_get_leaf_queue(struct airoha_gdm_port *port,
3076 struct tc_htb_qopt_offload *opt)
3078 u32 channel = TC_H_MIN(opt->classid) % AIROHA_NUM_QOS_CHANNELS;
3080 if (!test_bit(channel, port->qos_sq_bmap)) {
3081 NL_SET_ERR_MSG_MOD(opt->extack, "invalid queue id");
3090 static int airoha_tc_setup_qdisc_htb(struct airoha_gdm_port *port,
3091 struct tc_htb_qopt_offload *opt)
3093 switch (opt->command) {
3096 case TC_HTB_DESTROY:
3097 return airoha_tc_htb_destroy(port);
3098 case TC_HTB_NODE_MODIFY:
3099 case TC_HTB_LEAF_ALLOC_QUEUE:
3100 return airoha_tc_htb_alloc_leaf_queue(port, opt);
3101 case TC_HTB_LEAF_DEL:
3102 case TC_HTB_LEAF_DEL_LAST:
3103 case TC_HTB_LEAF_DEL_LAST_FORCE:
3104 return airoha_tc_htb_delete_leaf_queue(port, opt);
3105 case TC_HTB_LEAF_QUERY_QUEUE:
3106 return airoha_tc_get_htb_get_leaf_queue(port, opt);
3114 static int airoha_dev_tc_setup(struct net_device *dev, enum tc_setup_type type,
3117 struct airoha_gdm_port *port = netdev_priv(dev);
3120 case TC_SETUP_QDISC_ETS:
3121 return airoha_tc_setup_qdisc_ets(port, type_data);
3122 case TC_SETUP_QDISC_HTB:
3123 return airoha_tc_setup_qdisc_htb(port, type_data);
3129 static const struct net_device_ops airoha_netdev_ops = {
3130 .ndo_init = airoha_dev_init,
3131 .ndo_open = airoha_dev_open,
3132 .ndo_stop = airoha_dev_stop,
3133 .ndo_select_queue = airoha_dev_select_queue,
3134 .ndo_start_xmit = airoha_dev_xmit,
3135 .ndo_get_stats64 = airoha_dev_get_stats64,
3136 .ndo_set_mac_address = airoha_dev_set_macaddr,
3137 .ndo_setup_tc = airoha_dev_tc_setup,
3140 static const struct ethtool_ops airoha_ethtool_ops = {
3141 .get_drvinfo = airoha_ethtool_get_drvinfo,
3142 .get_eth_mac_stats = airoha_ethtool_get_mac_stats,
3143 .get_rmon_stats = airoha_ethtool_get_rmon_stats,
3146 static int airoha_alloc_gdm_port(struct airoha_eth *eth, struct device_node *np)
3148 const __be32 *id_ptr = of_get_property(np, "reg", NULL);
3149 struct airoha_gdm_port *port;
3150 struct airoha_qdma *qdma;
3151 struct net_device *dev;
3156 dev_err(eth->dev, "missing gdm port id\n");
3160 id = be32_to_cpup(id_ptr);
3163 if (!id || id > ARRAY_SIZE(eth->ports)) {
3164 dev_err(eth->dev, "invalid gdm port id: %d\n", id);
3168 if (eth->ports[index]) {
3169 dev_err(eth->dev, "duplicate gdm port id: %d\n", id);
3173 dev = devm_alloc_etherdev_mqs(eth->dev, sizeof(*port),
3174 AIROHA_NUM_NETDEV_TX_RINGS,
3175 AIROHA_NUM_RX_RING);
3177 dev_err(eth->dev, "alloc_etherdev failed\n");
3181 qdma = ð->qdma[index % AIROHA_MAX_NUM_QDMA];
3182 dev->netdev_ops = &airoha_netdev_ops;
3183 dev->ethtool_ops = &airoha_ethtool_ops;
3184 dev->max_mtu = AIROHA_MAX_MTU;
3185 dev->watchdog_timeo = 5 * HZ;
3186 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
3187 NETIF_F_TSO6 | NETIF_F_IPV6_CSUM |
3188 NETIF_F_SG | NETIF_F_TSO |
3190 dev->features |= dev->hw_features;
3191 dev->dev.of_node = np;
3192 dev->irq = qdma->irq;
3193 SET_NETDEV_DEV(dev, eth->dev);
3195 /* reserve hw queues for HTB offloading */
3196 err = netif_set_real_num_tx_queues(dev, AIROHA_NUM_TX_RING);
3200 err = of_get_ethdev_address(np, dev);
3202 if (err == -EPROBE_DEFER)
3205 eth_hw_addr_random(dev);
3206 dev_info(eth->dev, "generated random MAC address %pM\n",
3210 port = netdev_priv(dev);
3211 u64_stats_init(&port->stats.syncp);
3212 spin_lock_init(&port->stats.lock);
3216 eth->ports[index] = port;
3218 return register_netdev(dev);
3221 static int airoha_probe(struct platform_device *pdev)
3223 struct device_node *np;
3224 struct airoha_eth *eth;
3227 eth = devm_kzalloc(&pdev->dev, sizeof(*eth), GFP_KERNEL);
3231 eth->dev = &pdev->dev;
3233 err = dma_set_mask_and_coherent(eth->dev, DMA_BIT_MASK(32));
3235 dev_err(eth->dev, "failed configuring DMA mask\n");
3239 eth->fe_regs = devm_platform_ioremap_resource_byname(pdev, "fe");
3240 if (IS_ERR(eth->fe_regs))
3241 return dev_err_probe(eth->dev, PTR_ERR(eth->fe_regs),
3242 "failed to iomap fe regs\n");
3244 eth->rsts[0].id = "fe";
3245 eth->rsts[1].id = "pdma";
3246 eth->rsts[2].id = "qdma";
3247 err = devm_reset_control_bulk_get_exclusive(eth->dev,
3248 ARRAY_SIZE(eth->rsts),
3251 dev_err(eth->dev, "failed to get bulk reset lines\n");
3255 eth->xsi_rsts[0].id = "xsi-mac";
3256 eth->xsi_rsts[1].id = "hsi0-mac";
3257 eth->xsi_rsts[2].id = "hsi1-mac";
3258 eth->xsi_rsts[3].id = "hsi-mac";
3259 eth->xsi_rsts[4].id = "xfp-mac";
3260 err = devm_reset_control_bulk_get_exclusive(eth->dev,
3261 ARRAY_SIZE(eth->xsi_rsts),
3264 dev_err(eth->dev, "failed to get bulk xsi reset lines\n");
3268 eth->napi_dev = alloc_netdev_dummy(0);
3272 /* Enable threaded NAPI by default */
3273 eth->napi_dev->threaded = true;
3274 strscpy(eth->napi_dev->name, "qdma_eth", sizeof(eth->napi_dev->name));
3275 platform_set_drvdata(pdev, eth);
3277 err = airoha_hw_init(pdev, eth);
3279 goto error_hw_cleanup;
3281 for (i = 0; i < ARRAY_SIZE(eth->qdma); i++)
3282 airoha_qdma_start_napi(ð->qdma[i]);
3284 for_each_child_of_node(pdev->dev.of_node, np) {
3285 if (!of_device_is_compatible(np, "airoha,eth-mac"))
3288 if (!of_device_is_available(np))
3291 err = airoha_alloc_gdm_port(eth, np);
3294 goto error_napi_stop;
3301 for (i = 0; i < ARRAY_SIZE(eth->qdma); i++)
3302 airoha_qdma_stop_napi(ð->qdma[i]);
3304 for (i = 0; i < ARRAY_SIZE(eth->qdma); i++)
3305 airoha_hw_cleanup(ð->qdma[i]);
3307 for (i = 0; i < ARRAY_SIZE(eth->ports); i++) {
3308 struct airoha_gdm_port *port = eth->ports[i];
3310 if (port && port->dev->reg_state == NETREG_REGISTERED)
3311 unregister_netdev(port->dev);
3313 free_netdev(eth->napi_dev);
3314 platform_set_drvdata(pdev, NULL);
3319 static void airoha_remove(struct platform_device *pdev)
3321 struct airoha_eth *eth = platform_get_drvdata(pdev);
3324 for (i = 0; i < ARRAY_SIZE(eth->qdma); i++) {
3325 airoha_qdma_stop_napi(ð->qdma[i]);
3326 airoha_hw_cleanup(ð->qdma[i]);
3329 for (i = 0; i < ARRAY_SIZE(eth->ports); i++) {
3330 struct airoha_gdm_port *port = eth->ports[i];
3335 airoha_dev_stop(port->dev);
3336 unregister_netdev(port->dev);
3338 free_netdev(eth->napi_dev);
3340 platform_set_drvdata(pdev, NULL);
3343 static const struct of_device_id of_airoha_match[] = {
3344 { .compatible = "airoha,en7581-eth" },
3347 MODULE_DEVICE_TABLE(of, of_airoha_match);
3349 static struct platform_driver airoha_driver = {
3350 .probe = airoha_probe,
3351 .remove = airoha_remove,
3353 .name = KBUILD_MODNAME,
3354 .of_match_table = of_airoha_match,
3357 module_platform_driver(airoha_driver);
3359 MODULE_LICENSE("GPL");
3361 MODULE_DESCRIPTION("Ethernet driver for Airoha SoC");