1 // Xianjun jiao. [email protected]; [email protected] 2 3 #ifndef OPENWIFI_SDR 4 #define OPENWIFI_SDR 5 6 // -------------------for leds-------------------------------- 7 struct gpio_led_data { //pleas always align with the leds-gpio.c in linux kernel 8 struct led_classdev cdev; 9 struct gpio_desc *gpiod; 10 u8 can_sleep; 11 u8 blinking; 12 gpio_blink_set_t platform_gpio_blink_set; 13 }; 14 15 struct gpio_leds_priv { //pleas always align with the leds-gpio.c in linux kernel 16 int num_leds; 17 struct gpio_led_data leds[]; 18 }; 19 20 struct openwifi_rf_ops { 21 char *name; 22 // void (*init)(struct ieee80211_hw *); 23 // void (*stop)(struct ieee80211_hw *); 24 void (*set_chan)(struct ieee80211_hw *, struct ieee80211_conf *); 25 // u8 (*calc_rssi)(u8 agc, u8 sq); 26 }; 27 28 struct openwifi_buffer_descriptor { 29 u32 num_dma_byte; 30 u32 sn; 31 u32 hw_queue_idx; 32 u32 retry_limit; 33 u32 need_ack; 34 struct sk_buff *skb_linked; 35 dma_addr_t dma_mapping_addr; 36 u32 reserved; 37 } __packed; 38 39 struct openwifi_ring { 40 struct openwifi_buffer_descriptor *bds; 41 u32 bd_wr_idx; 42 u32 bd_rd_idx; 43 u32 reserved; 44 } __packed; 45 46 struct openwifi_vif { 47 struct ieee80211_hw *dev; 48 49 int idx; // this vif's idx on the dev 50 51 /* beaconing */ 52 struct delayed_work beacon_work; 53 bool enable_beacon; 54 }; 55 56 union u32_byte4 { 57 u32 a; 58 u8 c[4]; 59 }; 60 union u16_byte2 { 61 u16 a; 62 u8 c[2]; 63 }; 64 65 #define MAX_NUM_DRV_REG 32 66 #define MAX_NUM_LED 4 67 #define OPENWIFI_LED_MAX_NAME_LEN 32 68 69 #define MAX_NUM_VIF 4 70 71 #define LEN_PHY_HEADER 16 72 #define LEN_PHY_CRC 4 73 74 #define NUM_TX_BD 32 75 #define NUM_RX_BD 16 76 #define TX_BD_BUF_SIZE (8192) 77 #define RX_BD_BUF_SIZE (8192) 78 79 #define NUM_BIT_MAX_NUM_HW_QUEUE 2 80 #define MAX_NUM_HW_QUEUE 2 81 #define NUM_BIT_MAX_PHY_TX_SN 12 82 #define MAX_PHY_TX_SN ((1<<NUM_BIT_MAX_PHY_TX_SN)-1) 83 84 #define AD9361_RADIO_OFF_TX_ATT 89750 //please align with ad9361.c 85 #define AD9361_RADIO_ON_TX_ATT 000 //please align with rf_init.sh 86 87 #define SDR_SUPPORTED_FILTERS \ 88 (FIF_ALLMULTI | \ 89 FIF_BCN_PRBRESP_PROMISC | \ 90 FIF_CONTROL | \ 91 FIF_OTHER_BSS | \ 92 FIF_PSPOLL | \ 93 FIF_PROBE_REQ) 94 95 #define HIGH_PRIORITY_DISCARD_FLAG ((~0x040)<<16) // don't force drop OTHER_BSS by high priority discard 96 //#define HIGH_PRIORITY_DISCARD_FLAG ((~0x140)<<16) // don't force drop OTHER_BSS and PROB_REQ by high priority discard 97 98 /* 5G chan 36 - chan 64*/ 99 #define SDR_5GHZ_CH36_64 \ 100 REG_RULE(5150-10, 5350+10, 80, 0, 20, 0) 101 /* 5G chan 36 - chan 48*/ 102 #define SDR_5GHZ_CH36_48 \ 103 REG_RULE(5150-10, 5270+10, 80, 0, 20, 0) 104 105 /* 106 *Only these channels all allow active 107 *scan on all world regulatory domains 108 */ 109 #define SDR_2GHZ_CH01_13 REG_RULE(2412-10, 2472+10, 40, 0, 20, NL80211_RRF_NO_CCK) // disable 11b 110 #define SDR_2GHZ_CH01_14 REG_RULE(2412-10, 2484+10, 40, 0, 20, NL80211_RRF_NO_CCK) // disable 11b 111 112 // regulatory.h alpha2 113 // * 00 - World regulatory domain 114 // * 99 - built by driver but a specific alpha2 cannot be determined 115 // * 98 - result of an intersection between two regulatory domains 116 // * 97 - regulatory domain has not yet been configured 117 static const struct ieee80211_regdomain sdr_regd = { // for wiphy_apply_custom_regulatory 118 .n_reg_rules = 2, 119 .alpha2 = "99", 120 .dfs_region = NL80211_DFS_ETSI, 121 .reg_rules = { 122 //SDR_2GHZ_CH01_13, 123 //SDR_5GHZ_CH36_48, //Avoid radar! 124 SDR_2GHZ_CH01_14, 125 SDR_5GHZ_CH36_64, 126 } 127 }; 128 129 #define CHAN2G(_channel, _freq, _flags) { \ 130 .band = NL80211_BAND_2GHZ, \ 131 .hw_value = (_channel), \ 132 .center_freq = (_freq), \ 133 .flags = (_flags), \ 134 .max_antenna_gain = 0, \ 135 .max_power = 0, \ 136 } 137 138 #define CHAN5G(_channel, _freq, _flags) { \ 139 .band = NL80211_BAND_5GHZ, \ 140 .hw_value = (_channel), \ 141 .center_freq = (_freq), \ 142 .flags = (_flags), \ 143 .max_antenna_gain = 0, \ 144 .max_power = 0, \ 145 } 146 147 static const struct ieee80211_rate openwifi_5GHz_rates[] = { 148 { .bitrate = 10, .hw_value = 0, .flags = 0}, 149 { .bitrate = 20, .hw_value = 1, .flags = 0}, 150 { .bitrate = 55, .hw_value = 2, .flags = 0}, 151 { .bitrate = 110, .hw_value = 3, .flags = 0}, 152 { .bitrate = 60, .hw_value = 4, .flags = IEEE80211_RATE_MANDATORY_A}, 153 { .bitrate = 90, .hw_value = 5, .flags = IEEE80211_RATE_MANDATORY_A}, 154 { .bitrate = 120, .hw_value = 6, .flags = IEEE80211_RATE_MANDATORY_A}, 155 { .bitrate = 180, .hw_value = 7, .flags = IEEE80211_RATE_MANDATORY_A}, 156 { .bitrate = 240, .hw_value = 8, .flags = IEEE80211_RATE_MANDATORY_A}, 157 { .bitrate = 360, .hw_value = 9, .flags = IEEE80211_RATE_MANDATORY_A}, 158 { .bitrate = 480, .hw_value = 10, .flags = IEEE80211_RATE_MANDATORY_A}, 159 { .bitrate = 540, .hw_value = 11, .flags = IEEE80211_RATE_MANDATORY_A}, 160 }; 161 162 static const struct ieee80211_rate openwifi_2GHz_rates[] = { 163 { .bitrate = 10, .hw_value = 0, .flags = 0}, 164 { .bitrate = 20, .hw_value = 1, .flags = 0}, 165 { .bitrate = 55, .hw_value = 2, .flags = 0}, 166 { .bitrate = 110, .hw_value = 3, .flags = 0}, 167 { .bitrate = 60, .hw_value = 4, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 168 { .bitrate = 90, .hw_value = 5, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 169 { .bitrate = 120, .hw_value = 6, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 170 { .bitrate = 180, .hw_value = 7, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 171 { .bitrate = 240, .hw_value = 8, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 172 { .bitrate = 360, .hw_value = 9, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 173 { .bitrate = 480, .hw_value = 10, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 174 { .bitrate = 540, .hw_value = 11, .flags = IEEE80211_RATE_MANDATORY_G|IEEE80211_RATE_ERP_G}, 175 }; 176 177 static const struct ieee80211_channel openwifi_2GHz_channels[] = { 178 CHAN2G(1, 2412, 0), 179 CHAN2G(2, 2417, 0), 180 CHAN2G(3, 2422, 0), 181 CHAN2G(4, 2427, 0), 182 CHAN2G(5, 2432, 0), 183 CHAN2G(6, 2437, 0), 184 CHAN2G(7, 2442, 0), 185 CHAN2G(8, 2447, 0), 186 CHAN2G(9, 2452, 0), 187 CHAN2G(10, 2457, 0), 188 CHAN2G(11, 2462, 0), 189 CHAN2G(12, 2467, 0), 190 CHAN2G(13, 2472, 0), 191 CHAN2G(14, 2484, 0), 192 }; 193 194 static const struct ieee80211_channel openwifi_5GHz_channels[] = { 195 CHAN5G(36, 5180, 0), 196 CHAN5G(38, 5190, 0), 197 CHAN5G(40, 5200, 0), 198 CHAN5G(42, 5210, 0), 199 CHAN5G(44, 5220, 0), 200 CHAN5G(46, 5230, 0), 201 CHAN5G(48, 5240, 0), 202 CHAN5G(52, 5260, IEEE80211_CHAN_RADAR), 203 CHAN5G(56, 5280, IEEE80211_CHAN_RADAR), 204 CHAN5G(60, 5300, IEEE80211_CHAN_RADAR), 205 CHAN5G(64, 5320, IEEE80211_CHAN_RADAR), 206 // CHAN5G(100, 5500, 0), 207 // CHAN5G(104, 5520, 0), 208 // CHAN5G(108, 5540, 0), 209 // CHAN5G(112, 5560, 0), 210 // CHAN5G(116, 5580, 0), 211 // CHAN5G(120, 5600, 0), 212 // CHAN5G(124, 5620, 0), 213 // CHAN5G(128, 5640, 0), 214 // CHAN5G(132, 5660, 0), 215 // CHAN5G(136, 5680, 0), 216 // CHAN5G(140, 5700, 0), 217 // CHAN5G(144, 5720, 0), 218 // CHAN5G(149, 5745, 0), 219 // CHAN5G(153, 5765, 0), 220 // CHAN5G(157, 5785, 0), 221 // CHAN5G(161, 5805, 0), 222 // CHAN5G(165, 5825, 0), 223 // CHAN5G(169, 5845, 0), 224 }; 225 226 static const struct ieee80211_iface_limit openwifi_if_limits[] = { 227 { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) }, 228 { .max = 4, .types = 229 #ifdef CONFIG_MAC80211_MESH 230 BIT(NL80211_IFTYPE_MESH_POINT) | 231 #endif 232 BIT(NL80211_IFTYPE_AP) }, 233 }; 234 235 static const struct ieee80211_iface_combination openwifi_if_comb = { 236 .limits = openwifi_if_limits, 237 .n_limits = ARRAY_SIZE(openwifi_if_limits), 238 .max_interfaces = 2048, 239 .num_different_channels = 1, 240 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 241 BIT(NL80211_CHAN_WIDTH_20) | 242 BIT(NL80211_CHAN_WIDTH_40) | 243 BIT(NL80211_CHAN_WIDTH_80), 244 }; 245 246 static const u8 wifi_rate_table_mapping[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 10, 8, 6, 4, 11, 9, 7, 5}; 247 static const u8 wifi_rate_table[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 48, 24, 12, 6, 54, 36, 18, 9}; 248 static const u8 wifi_rate_all[16] = { 1, 2, 5, 11, 6, 9, 12, 18, 24, 36, 48, 54, 0, 0, 0, 0}; 249 static const u8 wifi_mcs_table_11b_force_up[16] = {11, 11, 11, 11, 11, 15, 10, 14, 9, 13, 8, 12, 0, 0, 0, 0}; 250 static const u16 wifi_n_dbps_table[16] = {24, 24, 24, 24, 24, 36, 48, 72, 96, 144, 192, 216, 0, 0, 0, 0}; 251 // static const u8 wifi_mcs_table[8] = {6,9,12,18,24,36,48,54}; 252 // static const u8 wifi_mcs_table_phy_tx[8] = {11,15,10,14,9,13,8,12}; 253 254 #define RX_DMA_CYCLIC_MODE 255 struct openwifi_priv { 256 struct platform_device *pdev; 257 struct ieee80211_vif *vif[MAX_NUM_VIF]; 258 259 const struct openwifi_rf_ops *rf; 260 261 struct cf_axi_dds_state *dds_st; //axi_ad9361 hdl ref design module, dac channel 262 struct axiadc_state *adc_st; //axi_ad9361 hdl ref design module, adc channel 263 struct ad9361_rf_phy *ad9361_phy; //ad9361 chip 264 struct ctrl_outs_control ctrl_out; 265 266 int rx_freq_offset_to_lo_MHz; 267 int tx_freq_offset_to_lo_MHz; 268 u32 rf_bw; 269 u32 actual_rx_lo; 270 271 struct ieee80211_rate rates_2GHz[12]; 272 struct ieee80211_rate rates_5GHz[12]; 273 struct ieee80211_channel channels_2GHz[14]; 274 struct ieee80211_channel channels_5GHz[11]; 275 struct ieee80211_supported_band band_2GHz; 276 struct ieee80211_supported_band band_5GHz; 277 bool rfkill_off; 278 279 int rssi_correction; // dynamic RSSI correction according to current channel in _rf_set_channel() 280 281 enum rx_intf_mode rx_intf_cfg; 282 enum tx_intf_mode tx_intf_cfg; 283 enum openofdm_rx_mode openofdm_rx_cfg; 284 enum openofdm_tx_mode openofdm_tx_cfg; 285 enum xpu_mode xpu_cfg; 286 287 int irq_rx; 288 int irq_tx; 289 290 u8 *rx_cyclic_buf; 291 dma_addr_t rx_cyclic_buf_dma_mapping_addr; 292 struct dma_chan *rx_chan; 293 struct dma_async_tx_descriptor *rxd; 294 dma_cookie_t rx_cookie; 295 296 struct openwifi_ring tx_ring; 297 struct scatterlist tx_sg; 298 struct dma_chan *tx_chan; 299 struct dma_async_tx_descriptor *txd; 300 dma_cookie_t tx_cookie; 301 bool tx_queue_stopped; 302 303 int phy_tx_sn; 304 u32 dest_mac_addr_queue_map[MAX_NUM_HW_QUEUE]; 305 u8 mac_addr[ETH_ALEN]; 306 u16 seqno; 307 308 bool use_short_slot; 309 u8 band; 310 u16 channel; 311 312 u32 drv_rx_reg_val[MAX_NUM_DRV_REG]; 313 u32 drv_tx_reg_val[MAX_NUM_DRV_REG]; 314 u32 drv_xpu_reg_val[MAX_NUM_DRV_REG]; 315 // u8 num_led; 316 // struct led_classdev *led[MAX_NUM_LED];//zc706 has 4 user leds. please find openwifi_dev_probe to see how we get them. 317 // char led_name[MAX_NUM_LED][OPENWIFI_LED_MAX_NAME_LEN]; 318 319 spinlock_t lock; 320 }; 321 322 #endif /* OPENWIFI_SDR */ 323