Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016 Hisilicon Limited. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | */ |
| 9 | |
| 10 | #ifndef __HNS3_ENET_H |
| 11 | #define __HNS3_ENET_H |
| 12 | |
Yunsheng Lin | 681ec39 | 2018-03-21 15:49:22 +0800 | [diff] [blame] | 13 | #include <linux/if_vlan.h> |
| 14 | |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 15 | #include "hnae3.h" |
| 16 | |
| 17 | extern const char hns3_driver_version[]; |
| 18 | |
| 19 | enum hns3_nic_state { |
| 20 | HNS3_NIC_STATE_TESTING, |
| 21 | HNS3_NIC_STATE_RESETTING, |
| 22 | HNS3_NIC_STATE_REINITING, |
| 23 | HNS3_NIC_STATE_DOWN, |
| 24 | HNS3_NIC_STATE_DISABLED, |
| 25 | HNS3_NIC_STATE_REMOVING, |
| 26 | HNS3_NIC_STATE_SERVICE_INITED, |
| 27 | HNS3_NIC_STATE_SERVICE_SCHED, |
| 28 | HNS3_NIC_STATE2_RESET_REQUESTED, |
| 29 | HNS3_NIC_STATE_MAX |
| 30 | }; |
| 31 | |
| 32 | #define HNS3_RING_RX_RING_BASEADDR_L_REG 0x00000 |
| 33 | #define HNS3_RING_RX_RING_BASEADDR_H_REG 0x00004 |
| 34 | #define HNS3_RING_RX_RING_BD_NUM_REG 0x00008 |
| 35 | #define HNS3_RING_RX_RING_BD_LEN_REG 0x0000C |
| 36 | #define HNS3_RING_RX_RING_TAIL_REG 0x00018 |
| 37 | #define HNS3_RING_RX_RING_HEAD_REG 0x0001C |
| 38 | #define HNS3_RING_RX_RING_FBDNUM_REG 0x00020 |
| 39 | #define HNS3_RING_RX_RING_PKTNUM_RECORD_REG 0x0002C |
| 40 | |
| 41 | #define HNS3_RING_TX_RING_BASEADDR_L_REG 0x00040 |
| 42 | #define HNS3_RING_TX_RING_BASEADDR_H_REG 0x00044 |
| 43 | #define HNS3_RING_TX_RING_BD_NUM_REG 0x00048 |
| 44 | #define HNS3_RING_TX_RING_BD_LEN_REG 0x0004C |
| 45 | #define HNS3_RING_TX_RING_TAIL_REG 0x00058 |
| 46 | #define HNS3_RING_TX_RING_HEAD_REG 0x0005C |
| 47 | #define HNS3_RING_TX_RING_FBDNUM_REG 0x00060 |
| 48 | #define HNS3_RING_TX_RING_OFFSET_REG 0x00064 |
| 49 | #define HNS3_RING_TX_RING_PKTNUM_RECORD_REG 0x0006C |
| 50 | |
| 51 | #define HNS3_RING_PREFETCH_EN_REG 0x0007C |
| 52 | #define HNS3_RING_CFG_VF_NUM_REG 0x00080 |
| 53 | #define HNS3_RING_ASID_REG 0x0008C |
| 54 | #define HNS3_RING_RX_VM_REG 0x00090 |
| 55 | #define HNS3_RING_T0_BE_RST 0x00094 |
| 56 | #define HNS3_RING_COULD_BE_RST 0x00098 |
| 57 | #define HNS3_RING_WRR_WEIGHT_REG 0x0009c |
| 58 | |
| 59 | #define HNS3_RING_INTMSK_RXWL_REG 0x000A0 |
| 60 | #define HNS3_RING_INTSTS_RX_RING_REG 0x000A4 |
| 61 | #define HNS3_RX_RING_INT_STS_REG 0x000A8 |
| 62 | #define HNS3_RING_INTMSK_TXWL_REG 0x000AC |
| 63 | #define HNS3_RING_INTSTS_TX_RING_REG 0x000B0 |
| 64 | #define HNS3_TX_RING_INT_STS_REG 0x000B4 |
| 65 | #define HNS3_RING_INTMSK_RX_OVERTIME_REG 0x000B8 |
| 66 | #define HNS3_RING_INTSTS_RX_OVERTIME_REG 0x000BC |
| 67 | #define HNS3_RING_INTMSK_TX_OVERTIME_REG 0x000C4 |
| 68 | #define HNS3_RING_INTSTS_TX_OVERTIME_REG 0x000C8 |
| 69 | |
| 70 | #define HNS3_RING_MB_CTRL_REG 0x00100 |
| 71 | #define HNS3_RING_MB_DATA_BASE_REG 0x00200 |
| 72 | |
| 73 | #define HNS3_TX_REG_OFFSET 0x40 |
| 74 | |
| 75 | #define HNS3_RX_HEAD_SIZE 256 |
| 76 | |
| 77 | #define HNS3_TX_TIMEOUT (5 * HZ) |
| 78 | #define HNS3_RING_NAME_LEN 16 |
| 79 | #define HNS3_BUFFER_SIZE_2048 2048 |
| 80 | #define HNS3_RING_MAX_PENDING 32768 |
Lipeng | 5668abd | 2017-10-10 16:42:04 +0800 | [diff] [blame] | 81 | #define HNS3_RING_MIN_PENDING 8 |
| 82 | #define HNS3_RING_BD_MULTIPLE 8 |
Salil | a8e8b7f | 2017-08-21 17:05:24 +0100 | [diff] [blame] | 83 | #define HNS3_MAX_MTU 9728 |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 84 | |
| 85 | #define HNS3_BD_SIZE_512_TYPE 0 |
| 86 | #define HNS3_BD_SIZE_1024_TYPE 1 |
| 87 | #define HNS3_BD_SIZE_2048_TYPE 2 |
| 88 | #define HNS3_BD_SIZE_4096_TYPE 3 |
| 89 | |
| 90 | #define HNS3_RX_FLAG_VLAN_PRESENT 0x1 |
| 91 | #define HNS3_RX_FLAG_L3ID_IPV4 0x0 |
| 92 | #define HNS3_RX_FLAG_L3ID_IPV6 0x1 |
| 93 | #define HNS3_RX_FLAG_L4ID_UDP 0x0 |
| 94 | #define HNS3_RX_FLAG_L4ID_TCP 0x1 |
| 95 | |
| 96 | #define HNS3_RXD_DMAC_S 0 |
| 97 | #define HNS3_RXD_DMAC_M (0x3 << HNS3_RXD_DMAC_S) |
| 98 | #define HNS3_RXD_VLAN_S 2 |
| 99 | #define HNS3_RXD_VLAN_M (0x3 << HNS3_RXD_VLAN_S) |
| 100 | #define HNS3_RXD_L3ID_S 4 |
| 101 | #define HNS3_RXD_L3ID_M (0xf << HNS3_RXD_L3ID_S) |
| 102 | #define HNS3_RXD_L4ID_S 8 |
| 103 | #define HNS3_RXD_L4ID_M (0xf << HNS3_RXD_L4ID_S) |
| 104 | #define HNS3_RXD_FRAG_B 12 |
| 105 | #define HNS3_RXD_L2E_B 16 |
| 106 | #define HNS3_RXD_L3E_B 17 |
| 107 | #define HNS3_RXD_L4E_B 18 |
| 108 | #define HNS3_RXD_TRUNCAT_B 19 |
| 109 | #define HNS3_RXD_HOI_B 20 |
| 110 | #define HNS3_RXD_DOI_B 21 |
| 111 | #define HNS3_RXD_OL3E_B 22 |
| 112 | #define HNS3_RXD_OL4E_B 23 |
| 113 | |
| 114 | #define HNS3_RXD_ODMAC_S 0 |
| 115 | #define HNS3_RXD_ODMAC_M (0x3 << HNS3_RXD_ODMAC_S) |
| 116 | #define HNS3_RXD_OVLAN_S 2 |
| 117 | #define HNS3_RXD_OVLAN_M (0x3 << HNS3_RXD_OVLAN_S) |
| 118 | #define HNS3_RXD_OL3ID_S 4 |
| 119 | #define HNS3_RXD_OL3ID_M (0xf << HNS3_RXD_OL3ID_S) |
| 120 | #define HNS3_RXD_OL4ID_S 8 |
| 121 | #define HNS3_RXD_OL4ID_M (0xf << HNS3_RXD_OL4ID_S) |
| 122 | #define HNS3_RXD_FBHI_S 12 |
| 123 | #define HNS3_RXD_FBHI_M (0x3 << HNS3_RXD_FBHI_S) |
| 124 | #define HNS3_RXD_FBLI_S 14 |
| 125 | #define HNS3_RXD_FBLI_M (0x3 << HNS3_RXD_FBLI_S) |
| 126 | |
| 127 | #define HNS3_RXD_BDTYPE_S 0 |
| 128 | #define HNS3_RXD_BDTYPE_M (0xf << HNS3_RXD_BDTYPE_S) |
| 129 | #define HNS3_RXD_VLD_B 4 |
| 130 | #define HNS3_RXD_UDP0_B 5 |
| 131 | #define HNS3_RXD_EXTEND_B 7 |
| 132 | #define HNS3_RXD_FE_B 8 |
| 133 | #define HNS3_RXD_LUM_B 9 |
| 134 | #define HNS3_RXD_CRCP_B 10 |
| 135 | #define HNS3_RXD_L3L4P_B 11 |
| 136 | #define HNS3_RXD_TSIND_S 12 |
| 137 | #define HNS3_RXD_TSIND_M (0x7 << HNS3_RXD_TSIND_S) |
| 138 | #define HNS3_RXD_LKBK_B 15 |
| 139 | #define HNS3_RXD_HDL_S 16 |
| 140 | #define HNS3_RXD_HDL_M (0x7ff << HNS3_RXD_HDL_S) |
| 141 | #define HNS3_RXD_HSIND_B 31 |
| 142 | |
| 143 | #define HNS3_TXD_L3T_S 0 |
| 144 | #define HNS3_TXD_L3T_M (0x3 << HNS3_TXD_L3T_S) |
| 145 | #define HNS3_TXD_L4T_S 2 |
| 146 | #define HNS3_TXD_L4T_M (0x3 << HNS3_TXD_L4T_S) |
| 147 | #define HNS3_TXD_L3CS_B 4 |
| 148 | #define HNS3_TXD_L4CS_B 5 |
| 149 | #define HNS3_TXD_VLAN_B 6 |
| 150 | #define HNS3_TXD_TSO_B 7 |
| 151 | |
| 152 | #define HNS3_TXD_L2LEN_S 8 |
| 153 | #define HNS3_TXD_L2LEN_M (0xff << HNS3_TXD_L2LEN_S) |
| 154 | #define HNS3_TXD_L3LEN_S 16 |
| 155 | #define HNS3_TXD_L3LEN_M (0xff << HNS3_TXD_L3LEN_S) |
| 156 | #define HNS3_TXD_L4LEN_S 24 |
| 157 | #define HNS3_TXD_L4LEN_M (0xff << HNS3_TXD_L4LEN_S) |
| 158 | |
| 159 | #define HNS3_TXD_OL3T_S 0 |
| 160 | #define HNS3_TXD_OL3T_M (0x3 << HNS3_TXD_OL3T_S) |
| 161 | #define HNS3_TXD_OVLAN_B 2 |
| 162 | #define HNS3_TXD_MACSEC_B 3 |
| 163 | #define HNS3_TXD_TUNTYPE_S 4 |
| 164 | #define HNS3_TXD_TUNTYPE_M (0xf << HNS3_TXD_TUNTYPE_S) |
| 165 | |
| 166 | #define HNS3_TXD_BDTYPE_S 0 |
| 167 | #define HNS3_TXD_BDTYPE_M (0xf << HNS3_TXD_BDTYPE_S) |
| 168 | #define HNS3_TXD_FE_B 4 |
| 169 | #define HNS3_TXD_SC_S 5 |
| 170 | #define HNS3_TXD_SC_M (0x3 << HNS3_TXD_SC_S) |
| 171 | #define HNS3_TXD_EXTEND_B 7 |
| 172 | #define HNS3_TXD_VLD_B 8 |
| 173 | #define HNS3_TXD_RI_B 9 |
| 174 | #define HNS3_TXD_RA_B 10 |
| 175 | #define HNS3_TXD_TSYN_B 11 |
| 176 | #define HNS3_TXD_DECTTL_S 12 |
| 177 | #define HNS3_TXD_DECTTL_M (0xf << HNS3_TXD_DECTTL_S) |
| 178 | |
| 179 | #define HNS3_TXD_MSS_S 0 |
| 180 | #define HNS3_TXD_MSS_M (0x3fff << HNS3_TXD_MSS_S) |
| 181 | |
| 182 | #define HNS3_VECTOR_TX_IRQ BIT_ULL(0) |
| 183 | #define HNS3_VECTOR_RX_IRQ BIT_ULL(1) |
| 184 | |
| 185 | #define HNS3_VECTOR_NOT_INITED 0 |
| 186 | #define HNS3_VECTOR_INITED 1 |
| 187 | |
| 188 | #define HNS3_MAX_BD_SIZE 65535 |
| 189 | #define HNS3_MAX_BD_PER_FRAG 8 |
| 190 | #define HNS3_MAX_BD_PER_PKT MAX_SKB_FRAGS |
| 191 | |
| 192 | #define HNS3_VECTOR_GL0_OFFSET 0x100 |
| 193 | #define HNS3_VECTOR_GL1_OFFSET 0x200 |
| 194 | #define HNS3_VECTOR_GL2_OFFSET 0x300 |
| 195 | #define HNS3_VECTOR_RL_OFFSET 0x900 |
| 196 | #define HNS3_VECTOR_RL_EN_B 6 |
| 197 | |
| 198 | enum hns3_pkt_l3t_type { |
| 199 | HNS3_L3T_NONE, |
| 200 | HNS3_L3T_IPV6, |
| 201 | HNS3_L3T_IPV4, |
| 202 | HNS3_L3T_RESERVED |
| 203 | }; |
| 204 | |
| 205 | enum hns3_pkt_l4t_type { |
| 206 | HNS3_L4T_UNKNOWN, |
| 207 | HNS3_L4T_TCP, |
| 208 | HNS3_L4T_UDP, |
| 209 | HNS3_L4T_SCTP |
| 210 | }; |
| 211 | |
| 212 | enum hns3_pkt_ol3t_type { |
| 213 | HNS3_OL3T_NONE, |
| 214 | HNS3_OL3T_IPV6, |
| 215 | HNS3_OL3T_IPV4_NO_CSUM, |
| 216 | HNS3_OL3T_IPV4_CSUM |
| 217 | }; |
| 218 | |
| 219 | enum hns3_pkt_tun_type { |
| 220 | HNS3_TUN_NONE, |
| 221 | HNS3_TUN_MAC_IN_UDP, |
| 222 | HNS3_TUN_NVGRE, |
| 223 | HNS3_TUN_OTHER |
| 224 | }; |
| 225 | |
| 226 | /* hardware spec ring buffer format */ |
| 227 | struct __packed hns3_desc { |
| 228 | __le64 addr; |
| 229 | union { |
| 230 | struct { |
| 231 | __le16 vlan_tag; |
| 232 | __le16 send_size; |
| 233 | union { |
| 234 | __le32 type_cs_vlan_tso_len; |
| 235 | struct { |
| 236 | __u8 type_cs_vlan_tso; |
| 237 | __u8 l2_len; |
| 238 | __u8 l3_len; |
| 239 | __u8 l4_len; |
| 240 | }; |
| 241 | }; |
| 242 | __le16 outer_vlan_tag; |
| 243 | __le16 tv; |
| 244 | |
| 245 | union { |
| 246 | __le32 ol_type_vlan_len_msec; |
| 247 | struct { |
| 248 | __u8 ol_type_vlan_msec; |
| 249 | __u8 ol2_len; |
| 250 | __u8 ol3_len; |
| 251 | __u8 ol4_len; |
| 252 | }; |
| 253 | }; |
| 254 | |
| 255 | __le32 paylen; |
| 256 | __le16 bdtp_fe_sc_vld_ra_ri; |
| 257 | __le16 mss; |
| 258 | } tx; |
| 259 | |
| 260 | struct { |
| 261 | __le32 l234_info; |
| 262 | __le16 pkt_len; |
| 263 | __le16 size; |
| 264 | |
| 265 | __le32 rss_hash; |
| 266 | __le16 fd_id; |
| 267 | __le16 vlan_tag; |
| 268 | |
| 269 | union { |
| 270 | __le32 ol_info; |
| 271 | struct { |
| 272 | __le16 o_dm_vlan_id_fb; |
| 273 | __le16 ot_vlan_tag; |
| 274 | }; |
| 275 | }; |
| 276 | |
| 277 | __le32 bd_base_info; |
| 278 | } rx; |
| 279 | }; |
| 280 | }; |
| 281 | |
| 282 | struct hns3_desc_cb { |
| 283 | dma_addr_t dma; /* dma address of this desc */ |
| 284 | void *buf; /* cpu addr for a desc */ |
| 285 | |
| 286 | /* priv data for the desc, e.g. skb when use with ip stack*/ |
| 287 | void *priv; |
| 288 | u16 page_offset; |
| 289 | u16 reuse_flag; |
| 290 | |
| 291 | u16 length; /* length of the buffer */ |
| 292 | |
| 293 | /* desc type, used by the ring user to mark the type of the priv data */ |
| 294 | u16 type; |
| 295 | }; |
| 296 | |
| 297 | enum hns3_pkt_l3type { |
| 298 | HNS3_L3_TYPE_IPV4, |
| 299 | HNS3_L3_TYPE_IPV6, |
| 300 | HNS3_L3_TYPE_ARP, |
| 301 | HNS3_L3_TYPE_RARP, |
| 302 | HNS3_L3_TYPE_IPV4_OPT, |
| 303 | HNS3_L3_TYPE_IPV6_EXT, |
| 304 | HNS3_L3_TYPE_LLDP, |
| 305 | HNS3_L3_TYPE_BPDU, |
| 306 | HNS3_L3_TYPE_MAC_PAUSE, |
| 307 | HNS3_L3_TYPE_PFC_PAUSE,/* 0x9*/ |
| 308 | |
| 309 | /* reserved for 0xA~0xB*/ |
| 310 | |
| 311 | HNS3_L3_TYPE_CNM = 0xc, |
| 312 | |
| 313 | /* reserved for 0xD~0xE*/ |
| 314 | |
| 315 | HNS3_L3_TYPE_PARSE_FAIL = 0xf /* must be last */ |
| 316 | }; |
| 317 | |
| 318 | enum hns3_pkt_l4type { |
| 319 | HNS3_L4_TYPE_UDP, |
| 320 | HNS3_L4_TYPE_TCP, |
| 321 | HNS3_L4_TYPE_GRE, |
| 322 | HNS3_L4_TYPE_SCTP, |
| 323 | HNS3_L4_TYPE_IGMP, |
| 324 | HNS3_L4_TYPE_ICMP, |
| 325 | |
| 326 | /* reserved for 0x6~0xE */ |
| 327 | |
| 328 | HNS3_L4_TYPE_PARSE_FAIL = 0xf /* must be last */ |
| 329 | }; |
| 330 | |
| 331 | enum hns3_pkt_ol3type { |
| 332 | HNS3_OL3_TYPE_IPV4 = 0, |
| 333 | HNS3_OL3_TYPE_IPV6, |
| 334 | /* reserved for 0x2~0x3 */ |
| 335 | HNS3_OL3_TYPE_IPV4_OPT = 4, |
| 336 | HNS3_OL3_TYPE_IPV6_EXT, |
| 337 | |
| 338 | /* reserved for 0x6~0xE*/ |
| 339 | |
| 340 | HNS3_OL3_TYPE_PARSE_FAIL = 0xf /* must be last */ |
| 341 | }; |
| 342 | |
| 343 | enum hns3_pkt_ol4type { |
| 344 | HNS3_OL4_TYPE_NO_TUN, |
| 345 | HNS3_OL4_TYPE_MAC_IN_UDP, |
| 346 | HNS3_OL4_TYPE_NVGRE, |
| 347 | HNS3_OL4_TYPE_UNKNOWN |
| 348 | }; |
| 349 | |
| 350 | struct ring_stats { |
| 351 | u64 io_err_cnt; |
| 352 | u64 sw_err_cnt; |
| 353 | u64 seg_pkt_cnt; |
| 354 | union { |
| 355 | struct { |
| 356 | u64 tx_pkts; |
| 357 | u64 tx_bytes; |
| 358 | u64 tx_err_cnt; |
| 359 | u64 restart_queue; |
| 360 | u64 tx_busy; |
| 361 | }; |
| 362 | struct { |
| 363 | u64 rx_pkts; |
| 364 | u64 rx_bytes; |
| 365 | u64 rx_err_cnt; |
| 366 | u64 reuse_pg_cnt; |
| 367 | u64 err_pkt_len; |
| 368 | u64 non_vld_descs; |
| 369 | u64 err_bd_num; |
| 370 | u64 l2_err; |
| 371 | u64 l3l4_csum_err; |
| 372 | }; |
| 373 | }; |
| 374 | }; |
| 375 | |
| 376 | struct hns3_enet_ring { |
| 377 | u8 __iomem *io_base; /* base io address for the ring */ |
| 378 | struct hns3_desc *desc; /* dma map address space */ |
| 379 | struct hns3_desc_cb *desc_cb; |
| 380 | struct hns3_enet_ring *next; |
| 381 | struct hns3_enet_tqp_vector *tqp_vector; |
| 382 | struct hnae3_queue *tqp; |
| 383 | char ring_name[HNS3_RING_NAME_LEN]; |
| 384 | struct device *dev; /* will be used for DMA mapping of descriptors */ |
| 385 | |
| 386 | /* statistic */ |
| 387 | struct ring_stats stats; |
| 388 | struct u64_stats_sync syncp; |
| 389 | |
| 390 | dma_addr_t desc_dma_addr; |
| 391 | u32 buf_size; /* size for hnae_desc->addr, preset by AE */ |
| 392 | u16 desc_num; /* total number of desc */ |
| 393 | u16 max_desc_num_per_pkt; |
| 394 | u16 max_raw_data_sz_per_desc; |
| 395 | u16 max_pkt_size; |
| 396 | int next_to_use; /* idx of next spare desc */ |
| 397 | |
| 398 | /* idx of lastest sent desc, the ring is empty when equal to |
| 399 | * next_to_use |
| 400 | */ |
| 401 | int next_to_clean; |
| 402 | |
| 403 | u32 flag; /* ring attribute */ |
| 404 | int irq_init_flag; |
| 405 | |
| 406 | int numa_node; |
| 407 | cpumask_t affinity_mask; |
| 408 | }; |
| 409 | |
| 410 | struct hns_queue; |
| 411 | |
| 412 | struct hns3_nic_ring_data { |
| 413 | struct hns3_enet_ring *ring; |
| 414 | struct napi_struct napi; |
| 415 | int queue_index; |
| 416 | int (*poll_one)(struct hns3_nic_ring_data *, int, void *); |
| 417 | void (*ex_process)(struct hns3_nic_ring_data *, struct sk_buff *); |
| 418 | void (*fini_process)(struct hns3_nic_ring_data *); |
| 419 | }; |
| 420 | |
| 421 | struct hns3_nic_ops { |
| 422 | int (*fill_desc)(struct hns3_enet_ring *ring, void *priv, |
| 423 | int size, dma_addr_t dma, int frag_end, |
| 424 | enum hns_desc_type type); |
| 425 | int (*maybe_stop_tx)(struct sk_buff **out_skb, |
| 426 | int *bnum, struct hns3_enet_ring *ring); |
| 427 | void (*get_rxd_bnum)(u32 bnum_flag, int *out_bnum); |
| 428 | }; |
| 429 | |
| 430 | enum hns3_flow_level_range { |
| 431 | HNS3_FLOW_LOW = 0, |
| 432 | HNS3_FLOW_MID = 1, |
| 433 | HNS3_FLOW_HIGH = 2, |
| 434 | HNS3_FLOW_ULTRA = 3, |
| 435 | }; |
| 436 | |
| 437 | enum hns3_link_mode_bits { |
| 438 | HNS3_LM_FIBRE_BIT = BIT(0), |
| 439 | HNS3_LM_AUTONEG_BIT = BIT(1), |
| 440 | HNS3_LM_TP_BIT = BIT(2), |
| 441 | HNS3_LM_PAUSE_BIT = BIT(3), |
| 442 | HNS3_LM_BACKPLANE_BIT = BIT(4), |
| 443 | HNS3_LM_10BASET_HALF_BIT = BIT(5), |
| 444 | HNS3_LM_10BASET_FULL_BIT = BIT(6), |
| 445 | HNS3_LM_100BASET_HALF_BIT = BIT(7), |
| 446 | HNS3_LM_100BASET_FULL_BIT = BIT(8), |
| 447 | HNS3_LM_1000BASET_FULL_BIT = BIT(9), |
| 448 | HNS3_LM_10000BASEKR_FULL_BIT = BIT(10), |
| 449 | HNS3_LM_25000BASEKR_FULL_BIT = BIT(11), |
| 450 | HNS3_LM_40000BASELR4_FULL_BIT = BIT(12), |
| 451 | HNS3_LM_50000BASEKR2_FULL_BIT = BIT(13), |
| 452 | HNS3_LM_100000BASEKR4_FULL_BIT = BIT(14), |
| 453 | HNS3_LM_COUNT = 15 |
| 454 | }; |
| 455 | |
Fuyun Liang | 434776a | 2018-01-12 16:23:10 +0800 | [diff] [blame] | 456 | #define HNS3_INT_GL_MAX 0x1FE0 |
Fuyun Liang | b81c59e | 2018-01-12 16:23:14 +0800 | [diff] [blame] | 457 | #define HNS3_INT_GL_50K 0x0014 |
| 458 | #define HNS3_INT_GL_20K 0x0032 |
| 459 | #define HNS3_INT_GL_18K 0x0036 |
| 460 | #define HNS3_INT_GL_8K 0x007C |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 461 | |
Fuyun Liang | 434776a | 2018-01-12 16:23:10 +0800 | [diff] [blame] | 462 | #define HNS3_INT_RL_MAX 0x00EC |
| 463 | #define HNS3_INT_RL_ENABLE_MASK 0x40 |
| 464 | |
Fuyun Liang | cd9d187 | 2018-03-21 15:49:25 +0800 | [diff] [blame] | 465 | #define HNS3_INT_ADAPT_DOWN_START 100 |
| 466 | |
Yunsheng Lin | 9bc727a | 2018-03-09 10:37:03 +0800 | [diff] [blame] | 467 | struct hns3_enet_coalesce { |
| 468 | u16 int_gl; |
| 469 | u8 gl_adapt_enable; |
| 470 | enum hns3_flow_level_range flow_level; |
| 471 | }; |
| 472 | |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 473 | struct hns3_enet_ring_group { |
| 474 | /* array of pointers to rings */ |
| 475 | struct hns3_enet_ring *ring; |
| 476 | u64 total_bytes; /* total bytes processed this group */ |
| 477 | u64 total_packets; /* total packets processed this group */ |
| 478 | u16 count; |
Yunsheng Lin | 9bc727a | 2018-03-09 10:37:03 +0800 | [diff] [blame] | 479 | struct hns3_enet_coalesce coal; |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 480 | }; |
| 481 | |
| 482 | struct hns3_enet_tqp_vector { |
| 483 | struct hnae3_handle *handle; |
| 484 | u8 __iomem *mask_addr; |
| 485 | int vector_irq; |
| 486 | int irq_init_flag; |
| 487 | |
| 488 | u16 idx; /* index in the TQP vector array per handle. */ |
| 489 | |
| 490 | struct napi_struct napi; |
| 491 | |
| 492 | struct hns3_enet_ring_group rx_group; |
| 493 | struct hns3_enet_ring_group tx_group; |
| 494 | |
| 495 | u16 num_tqps; /* total number of tqps in TQP vector */ |
| 496 | |
| 497 | cpumask_t affinity_mask; |
| 498 | char name[HNAE3_INT_NAME_LEN]; |
| 499 | |
| 500 | /* when 0 should adjust interrupt coalesce parameter */ |
| 501 | u8 int_adapt_down; |
Fuyun Liang | a95e1f8 | 2018-03-21 15:49:26 +0800 | [diff] [blame] | 502 | unsigned long last_jiffies; |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 503 | } ____cacheline_internodealigned_in_smp; |
| 504 | |
| 505 | enum hns3_udp_tnl_type { |
| 506 | HNS3_UDP_TNL_VXLAN, |
| 507 | HNS3_UDP_TNL_GENEVE, |
| 508 | HNS3_UDP_TNL_MAX, |
| 509 | }; |
| 510 | |
| 511 | struct hns3_udp_tunnel { |
| 512 | u16 dst_port; |
| 513 | int used; |
| 514 | }; |
| 515 | |
| 516 | struct hns3_nic_priv { |
| 517 | struct hnae3_handle *ae_handle; |
| 518 | u32 enet_ver; |
| 519 | u32 port_id; |
| 520 | struct net_device *netdev; |
| 521 | struct device *dev; |
| 522 | struct hns3_nic_ops ops; |
| 523 | |
| 524 | /** |
| 525 | * the cb for nic to manage the ring buffer, the first half of the |
| 526 | * array is for tx_ring and vice versa for the second half |
| 527 | */ |
| 528 | struct hns3_nic_ring_data *ring_data; |
| 529 | struct hns3_enet_tqp_vector *tqp_vector; |
| 530 | u16 vector_num; |
| 531 | |
| 532 | /* The most recently read link state */ |
| 533 | int link; |
| 534 | u64 tx_timeout_count; |
| 535 | |
| 536 | unsigned long state; |
| 537 | |
| 538 | struct timer_list service_timer; |
| 539 | |
| 540 | struct work_struct service_task; |
| 541 | |
| 542 | struct notifier_block notifier_block; |
| 543 | /* Vxlan/Geneve information */ |
| 544 | struct hns3_udp_tunnel udp_tnl[HNS3_UDP_TNL_MAX]; |
Yunsheng Lin | 681ec39 | 2018-03-21 15:49:22 +0800 | [diff] [blame] | 545 | unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 546 | }; |
| 547 | |
| 548 | union l3_hdr_info { |
| 549 | struct iphdr *v4; |
| 550 | struct ipv6hdr *v6; |
| 551 | unsigned char *hdr; |
| 552 | }; |
| 553 | |
| 554 | union l4_hdr_info { |
| 555 | struct tcphdr *tcp; |
| 556 | struct udphdr *udp; |
| 557 | unsigned char *hdr; |
| 558 | }; |
| 559 | |
| 560 | /* the distance between [begin, end) in a ring buffer |
| 561 | * note: there is a unuse slot between the begin and the end |
| 562 | */ |
| 563 | static inline int ring_dist(struct hns3_enet_ring *ring, int begin, int end) |
| 564 | { |
| 565 | return (end - begin + ring->desc_num) % ring->desc_num; |
| 566 | } |
| 567 | |
| 568 | static inline int ring_space(struct hns3_enet_ring *ring) |
| 569 | { |
| 570 | return ring->desc_num - |
| 571 | ring_dist(ring, ring->next_to_clean, ring->next_to_use) - 1; |
| 572 | } |
| 573 | |
| 574 | static inline int is_ring_empty(struct hns3_enet_ring *ring) |
| 575 | { |
| 576 | return ring->next_to_use == ring->next_to_clean; |
| 577 | } |
| 578 | |
| 579 | static inline void hns3_write_reg(void __iomem *base, u32 reg, u32 value) |
| 580 | { |
| 581 | u8 __iomem *reg_addr = READ_ONCE(base); |
| 582 | |
| 583 | writel(value, reg_addr + reg); |
| 584 | } |
| 585 | |
| 586 | #define hns3_write_dev(a, reg, value) \ |
| 587 | hns3_write_reg((a)->io_base, (reg), (value)) |
| 588 | |
| 589 | #define hnae_queue_xmit(tqp, buf_num) writel_relaxed(buf_num, \ |
| 590 | (tqp)->io_base + HNS3_RING_TX_RING_TAIL_REG) |
| 591 | |
| 592 | #define ring_to_dev(ring) (&(ring)->tqp->handle->pdev->dev) |
| 593 | |
| 594 | #define ring_to_dma_dir(ring) (HNAE3_IS_TX_RING(ring) ? \ |
| 595 | DMA_TO_DEVICE : DMA_FROM_DEVICE) |
| 596 | |
| 597 | #define tx_ring_data(priv, idx) ((priv)->ring_data[idx]) |
| 598 | |
| 599 | #define hnae_buf_size(_ring) ((_ring)->buf_size) |
| 600 | #define hnae_page_order(_ring) (get_order(hnae_buf_size(_ring))) |
| 601 | #define hnae_page_size(_ring) (PAGE_SIZE << hnae_page_order(_ring)) |
| 602 | |
| 603 | /* iterator for handling rings in ring group */ |
| 604 | #define hns3_for_each_ring(pos, head) \ |
| 605 | for (pos = (head).ring; pos; pos = pos->next) |
| 606 | |
Yunsheng Lin | 9780cb9 | 2017-10-09 15:43:56 +0800 | [diff] [blame] | 607 | #define hns3_get_handle(ndev) \ |
| 608 | (((struct hns3_nic_priv *)netdev_priv(ndev))->ae_handle) |
| 609 | |
Fuyun Liang | 434776a | 2018-01-12 16:23:10 +0800 | [diff] [blame] | 610 | #define hns3_gl_usec_to_reg(int_gl) (int_gl >> 1) |
| 611 | #define hns3_gl_round_down(int_gl) round_down(int_gl, 2) |
| 612 | |
| 613 | #define hns3_rl_usec_to_reg(int_rl) (int_rl >> 2) |
| 614 | #define hns3_rl_round_down(int_rl) round_down(int_rl, 4) |
| 615 | |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 616 | void hns3_ethtool_set_ops(struct net_device *netdev); |
Peng Li | 09f2af6 | 2017-12-22 12:21:41 +0800 | [diff] [blame] | 617 | int hns3_set_channels(struct net_device *netdev, |
| 618 | struct ethtool_channels *ch); |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 619 | |
Lipeng | 24e750c | 2017-10-23 19:51:07 +0800 | [diff] [blame] | 620 | bool hns3_clean_tx_ring(struct hns3_enet_ring *ring, int budget); |
Lipeng | 5668abd | 2017-10-10 16:42:04 +0800 | [diff] [blame] | 621 | int hns3_init_all_ring(struct hns3_nic_priv *priv); |
| 622 | int hns3_uninit_all_ring(struct hns3_nic_priv *priv); |
Yunsheng Lin | d43e5ac | 2017-10-20 10:19:21 +0800 | [diff] [blame] | 623 | netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev); |
| 624 | int hns3_clean_rx_ring( |
| 625 | struct hns3_enet_ring *ring, int budget, |
| 626 | void (*rx_fn)(struct hns3_enet_ring *, struct sk_buff *)); |
Yunsheng Lin | 986743d | 2017-09-27 09:45:30 +0800 | [diff] [blame] | 627 | |
Fuyun Liang | 434776a | 2018-01-12 16:23:10 +0800 | [diff] [blame] | 628 | void hns3_set_vector_coalesce_rx_gl(struct hns3_enet_tqp_vector *tqp_vector, |
| 629 | u32 gl_value); |
| 630 | void hns3_set_vector_coalesce_tx_gl(struct hns3_enet_tqp_vector *tqp_vector, |
| 631 | u32 gl_value); |
| 632 | void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector, |
| 633 | u32 rl_value); |
| 634 | |
Yunsheng Lin | 986743d | 2017-09-27 09:45:30 +0800 | [diff] [blame] | 635 | #ifdef CONFIG_HNS3_DCB |
| 636 | void hns3_dcbnl_setup(struct hnae3_handle *handle); |
| 637 | #else |
| 638 | static inline void hns3_dcbnl_setup(struct hnae3_handle *handle) {} |
| 639 | #endif |
| 640 | |
Salil | 76ad4f0 | 2017-08-02 16:59:45 +0100 | [diff] [blame] | 641 | #endif |