Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1 | /* ////////////////////////////////////////////////////////////////////////// */ |
| 2 | /* */ |
| 3 | /* Copyright (c) Atmel Corporation. All rights reserved. */ |
| 4 | /* */ |
| 5 | /* Module Name: wilc_wlan.c */ |
| 6 | /* */ |
| 7 | /* */ |
| 8 | /* //////////////////////////////////////////////////////////////////////////// */ |
| 9 | |
| 10 | #include "wilc_wlan_if.h" |
| 11 | #include "wilc_wlan.h" |
| 12 | #define INLINE static __inline |
| 13 | |
| 14 | /******************************************** |
| 15 | * |
| 16 | * Global |
| 17 | * |
| 18 | ********************************************/ |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 19 | extern wilc_hif_func_t hif_sdio; |
| 20 | extern wilc_hif_func_t hif_spi; |
| 21 | extern wilc_cfg_func_t mac_cfg; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 22 | extern void WILC_WFI_mgmt_rx(u8 *buff, u32 size); |
| 23 | u32 wilc_get_chipid(u8 update); |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 24 | u16 Set_machw_change_vir_if(bool bValue); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 25 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 26 | |
| 27 | |
| 28 | typedef struct { |
| 29 | int quit; |
| 30 | |
| 31 | /** |
| 32 | * input interface functions |
| 33 | **/ |
| 34 | wilc_wlan_os_func_t os_func; |
| 35 | wilc_wlan_io_func_t io_func; |
| 36 | wilc_wlan_net_func_t net_func; |
| 37 | wilc_wlan_indicate_func_t indicate_func; |
| 38 | |
| 39 | /** |
| 40 | * host interface functions |
| 41 | **/ |
| 42 | wilc_hif_func_t hif_func; |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 43 | struct mutex *hif_lock; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 44 | |
| 45 | /** |
| 46 | * configuration interface functions |
| 47 | **/ |
| 48 | wilc_cfg_func_t cif_func; |
| 49 | int cfg_frame_in_use; |
| 50 | wilc_cfg_frame_t cfg_frame; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 51 | u32 cfg_frame_offset; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 52 | int cfg_seq_no; |
| 53 | void *cfg_wait; |
| 54 | |
| 55 | /** |
| 56 | * RX buffer |
| 57 | **/ |
| 58 | #ifdef MEMORY_STATIC |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 59 | u32 rx_buffer_size; |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 60 | u8 *rx_buffer; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 61 | u32 rx_buffer_offset; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 62 | #endif |
| 63 | /** |
| 64 | * TX buffer |
| 65 | **/ |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 66 | u32 tx_buffer_size; |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 67 | u8 *tx_buffer; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 68 | u32 tx_buffer_offset; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 69 | |
| 70 | /** |
| 71 | * TX queue |
| 72 | **/ |
| 73 | void *txq_lock; |
| 74 | |
| 75 | /*Added by Amr - BugID_4720*/ |
Greg Kroah-Hartman | 8990d85 | 2015-09-03 20:07:58 -0700 | [diff] [blame] | 76 | struct semaphore *txq_add_to_head_lock; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 77 | void *txq_spinlock; |
| 78 | unsigned long txq_spinlock_flags; |
| 79 | |
| 80 | struct txq_entry_t *txq_head; |
| 81 | struct txq_entry_t *txq_tail; |
| 82 | int txq_entries; |
| 83 | void *txq_wait; |
| 84 | int txq_exit; |
| 85 | |
| 86 | /** |
| 87 | * RX queue |
| 88 | **/ |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 89 | struct mutex *rxq_lock; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 90 | struct rxq_entry_t *rxq_head; |
| 91 | struct rxq_entry_t *rxq_tail; |
| 92 | int rxq_entries; |
| 93 | void *rxq_wait; |
| 94 | int rxq_exit; |
| 95 | |
| 96 | |
| 97 | } wilc_wlan_dev_t; |
| 98 | |
| 99 | static wilc_wlan_dev_t g_wlan; |
| 100 | |
| 101 | INLINE void chip_allow_sleep(void); |
| 102 | INLINE void chip_wakeup(void); |
| 103 | /******************************************** |
| 104 | * |
| 105 | * Debug |
| 106 | * |
| 107 | ********************************************/ |
| 108 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 109 | static u32 dbgflag = N_INIT | N_ERR | N_INTR | N_TXQ | N_RXQ; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 110 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 111 | static void wilc_debug(u32 flag, char *fmt, ...) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 112 | { |
| 113 | char buf[256]; |
| 114 | va_list args; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 115 | |
| 116 | if (flag & dbgflag) { |
| 117 | va_start(args, fmt); |
Hari Prasath Gujulan Elango | 8105322 | 2015-06-22 13:13:58 +0000 | [diff] [blame] | 118 | vsprintf(buf, fmt, args); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 119 | va_end(args); |
| 120 | |
| 121 | if (g_wlan.os_func.os_debug) |
| 122 | g_wlan.os_func.os_debug(buf); |
| 123 | } |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | static CHIP_PS_STATE_T genuChipPSstate = CHIP_WAKEDUP; |
| 127 | |
| 128 | /*BugID_5213*/ |
| 129 | /*acquire_bus() and release_bus() are made INLINE functions*/ |
| 130 | /*as a temporary workaround to fix a problem of receiving*/ |
| 131 | /*unknown interrupt from FW*/ |
| 132 | INLINE void acquire_bus(BUS_ACQUIRE_T acquire) |
| 133 | { |
| 134 | |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 135 | mutex_lock(g_wlan.hif_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 136 | #ifndef WILC_OPTIMIZE_SLEEP_INT |
| 137 | if (genuChipPSstate != CHIP_WAKEDUP) |
| 138 | #endif |
| 139 | { |
| 140 | if (acquire == ACQUIRE_AND_WAKEUP) |
| 141 | chip_wakeup(); |
| 142 | } |
| 143 | |
| 144 | } |
| 145 | INLINE void release_bus(BUS_RELEASE_T release) |
| 146 | { |
| 147 | #ifdef WILC_OPTIMIZE_SLEEP_INT |
| 148 | if (release == RELEASE_ALLOW_SLEEP) |
| 149 | chip_allow_sleep(); |
| 150 | #endif |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 151 | mutex_unlock(g_wlan.hif_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 152 | } |
| 153 | /******************************************** |
| 154 | * |
| 155 | * Queue |
| 156 | * |
| 157 | ********************************************/ |
| 158 | |
| 159 | static void wilc_wlan_txq_remove(struct txq_entry_t *tqe) |
| 160 | { |
| 161 | |
| 162 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 163 | /* unsigned long flags; */ |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 164 | if (tqe == p->txq_head) { |
| 165 | |
| 166 | p->txq_head = tqe->next; |
| 167 | if (p->txq_head) |
| 168 | p->txq_head->prev = NULL; |
| 169 | |
| 170 | |
| 171 | } else if (tqe == p->txq_tail) { |
| 172 | p->txq_tail = (tqe->prev); |
| 173 | if (p->txq_tail) |
| 174 | p->txq_tail->next = NULL; |
| 175 | } else { |
| 176 | tqe->prev->next = tqe->next; |
| 177 | tqe->next->prev = tqe->prev; |
| 178 | } |
| 179 | p->txq_entries -= 1; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 180 | |
| 181 | } |
| 182 | |
| 183 | static struct txq_entry_t *wilc_wlan_txq_remove_from_head(void) |
| 184 | { |
| 185 | struct txq_entry_t *tqe; |
| 186 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 187 | unsigned long flags; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 188 | |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 189 | spin_lock_irqsave(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 190 | if (p->txq_head) { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 191 | tqe = p->txq_head; |
| 192 | p->txq_head = tqe->next; |
| 193 | if (p->txq_head) { |
| 194 | p->txq_head->prev = NULL; |
| 195 | } |
| 196 | p->txq_entries -= 1; |
| 197 | |
| 198 | /*Added by Amr - BugID_4720*/ |
| 199 | |
| 200 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 201 | |
| 202 | } else { |
| 203 | tqe = NULL; |
| 204 | } |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 205 | spin_unlock_irqrestore(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 206 | return tqe; |
| 207 | } |
| 208 | |
| 209 | static void wilc_wlan_txq_add_to_tail(struct txq_entry_t *tqe) |
| 210 | { |
| 211 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 212 | unsigned long flags; |
| 213 | /*Added by Amr - BugID_4720*/ |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 214 | spin_lock_irqsave(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 215 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 216 | if (p->txq_head == NULL) { |
| 217 | tqe->next = NULL; |
| 218 | tqe->prev = NULL; |
| 219 | p->txq_head = tqe; |
| 220 | p->txq_tail = tqe; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 221 | } else { |
| 222 | tqe->next = NULL; |
| 223 | tqe->prev = p->txq_tail; |
| 224 | p->txq_tail->next = tqe; |
| 225 | p->txq_tail = tqe; |
| 226 | } |
| 227 | p->txq_entries += 1; |
| 228 | PRINT_D(TX_DBG, "Number of entries in TxQ = %d\n", p->txq_entries); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 229 | |
| 230 | /*Added by Amr - BugID_4720*/ |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 231 | spin_unlock_irqrestore(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 232 | |
| 233 | /** |
| 234 | * wake up TX queue |
| 235 | **/ |
| 236 | PRINT_D(TX_DBG, "Wake the txq_handling\n"); |
| 237 | |
Greg Kroah-Hartman | 8990d85 | 2015-09-03 20:07:58 -0700 | [diff] [blame] | 238 | up(p->txq_wait); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | static int wilc_wlan_txq_add_to_head(struct txq_entry_t *tqe) |
| 242 | { |
| 243 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 244 | unsigned long flags; |
| 245 | /*Added by Amr - BugID_4720*/ |
| 246 | if (p->os_func.os_wait(p->txq_add_to_head_lock, CFG_PKTS_TIMEOUT)) |
| 247 | return -1; |
| 248 | |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 249 | spin_lock_irqsave(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 250 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 251 | if (p->txq_head == NULL) { |
| 252 | tqe->next = NULL; |
| 253 | tqe->prev = NULL; |
| 254 | p->txq_head = tqe; |
| 255 | p->txq_tail = tqe; |
| 256 | } else { |
| 257 | tqe->next = p->txq_head; |
| 258 | tqe->prev = NULL; |
| 259 | p->txq_head->prev = tqe; |
| 260 | p->txq_head = tqe; |
| 261 | } |
| 262 | p->txq_entries += 1; |
| 263 | PRINT_D(TX_DBG, "Number of entries in TxQ = %d\n", p->txq_entries); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 264 | |
| 265 | /*Added by Amr - BugID_4720*/ |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 266 | spin_unlock_irqrestore(p->txq_spinlock, flags); |
Greg Kroah-Hartman | 8990d85 | 2015-09-03 20:07:58 -0700 | [diff] [blame] | 267 | up(p->txq_add_to_head_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 268 | |
| 269 | |
| 270 | /** |
| 271 | * wake up TX queue |
| 272 | **/ |
Greg Kroah-Hartman | 8990d85 | 2015-09-03 20:07:58 -0700 | [diff] [blame] | 273 | up(p->txq_wait); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 274 | PRINT_D(TX_DBG, "Wake up the txq_handler\n"); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 275 | |
| 276 | /*Added by Amr - BugID_4720*/ |
| 277 | return 0; |
| 278 | |
| 279 | } |
| 280 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 281 | u32 Statisitcs_totalAcks = 0, Statisitcs_DroppedAcks = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 282 | |
| 283 | #ifdef TCP_ACK_FILTER |
| 284 | struct Ack_session_info; |
Shraddha Barke | eeb1c06 | 2015-08-05 01:29:22 +0530 | [diff] [blame] | 285 | struct Ack_session_info { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 286 | u32 Ack_seq_num; |
| 287 | u32 Bigger_Ack_num; |
Chaehyun Lim | ec53adf | 2015-09-15 14:06:15 +0900 | [diff] [blame] | 288 | u16 src_port; |
| 289 | u16 dst_port; |
| 290 | u16 status; |
Shraddha Barke | eeb1c06 | 2015-08-05 01:29:22 +0530 | [diff] [blame] | 291 | }; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 292 | |
| 293 | typedef struct { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 294 | u32 ack_num; |
| 295 | u32 Session_index; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 296 | struct txq_entry_t *txqe; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 297 | } Pending_Acks_info_t /*Ack_info_t*/; |
| 298 | |
| 299 | |
| 300 | |
| 301 | |
| 302 | struct Ack_session_info *Free_head; |
| 303 | struct Ack_session_info *Alloc_head; |
| 304 | |
| 305 | #define TCP_FIN_MASK (1 << 0) |
| 306 | #define TCP_SYN_MASK (1 << 1) |
| 307 | #define TCP_Ack_MASK (1 << 4) |
| 308 | #define NOT_TCP_ACK (-1) |
| 309 | |
| 310 | #define MAX_TCP_SESSION 25 |
| 311 | #define MAX_PENDING_ACKS 256 |
Shraddha Barke | eeb1c06 | 2015-08-05 01:29:22 +0530 | [diff] [blame] | 312 | struct Ack_session_info Acks_keep_track_info[2 * MAX_TCP_SESSION]; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 313 | Pending_Acks_info_t Pending_Acks_info[MAX_PENDING_ACKS]; |
| 314 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 315 | u32 PendingAcks_arrBase; |
| 316 | u32 Opened_TCP_session; |
| 317 | u32 Pending_Acks; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 318 | |
| 319 | |
| 320 | |
| 321 | static __inline int Init_TCP_tracking(void) |
| 322 | { |
| 323 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 324 | return 0; |
| 325 | |
| 326 | } |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 327 | static __inline int add_TCP_track_session(u32 src_prt, u32 dst_prt, u32 seq) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 328 | { |
| 329 | Acks_keep_track_info[Opened_TCP_session].Ack_seq_num = seq; |
| 330 | Acks_keep_track_info[Opened_TCP_session].Bigger_Ack_num = 0; |
| 331 | Acks_keep_track_info[Opened_TCP_session].src_port = src_prt; |
| 332 | Acks_keep_track_info[Opened_TCP_session].dst_port = dst_prt; |
| 333 | Opened_TCP_session++; |
| 334 | |
| 335 | PRINT_D(TCP_ENH, "TCP Session %d to Ack %d\n", Opened_TCP_session, seq); |
| 336 | return 0; |
| 337 | } |
| 338 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 339 | static __inline int Update_TCP_track_session(u32 index, u32 Ack) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 340 | { |
| 341 | |
| 342 | if (Ack > Acks_keep_track_info[index].Bigger_Ack_num) { |
| 343 | Acks_keep_track_info[index].Bigger_Ack_num = Ack; |
| 344 | } |
| 345 | return 0; |
| 346 | |
| 347 | } |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 348 | static __inline int add_TCP_Pending_Ack(u32 Ack, u32 Session_index, struct txq_entry_t *txqe) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 349 | { |
| 350 | Statisitcs_totalAcks++; |
| 351 | if (Pending_Acks < MAX_PENDING_ACKS) { |
| 352 | Pending_Acks_info[PendingAcks_arrBase + Pending_Acks].ack_num = Ack; |
| 353 | Pending_Acks_info[PendingAcks_arrBase + Pending_Acks].txqe = txqe; |
| 354 | Pending_Acks_info[PendingAcks_arrBase + Pending_Acks].Session_index = Session_index; |
| 355 | txqe->tcp_PendingAck_index = PendingAcks_arrBase + Pending_Acks; |
| 356 | Pending_Acks++; |
| 357 | |
| 358 | } else { |
| 359 | |
| 360 | } |
| 361 | return 0; |
| 362 | } |
| 363 | static __inline int remove_TCP_related(void) |
| 364 | { |
| 365 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 366 | unsigned long flags; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 367 | |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 368 | spin_lock_irqsave(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 369 | |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 370 | spin_unlock_irqrestore(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 371 | return 0; |
| 372 | } |
| 373 | |
| 374 | static __inline int tcp_process(struct txq_entry_t *tqe) |
| 375 | { |
| 376 | int ret; |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 377 | u8 *eth_hdr_ptr; |
| 378 | u8 *buffer = tqe->buffer; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 379 | unsigned short h_proto; |
| 380 | int i; |
| 381 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 382 | unsigned long flags; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 383 | |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 384 | spin_lock_irqsave(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 385 | |
| 386 | eth_hdr_ptr = &buffer[0]; |
| 387 | h_proto = ntohs(*((unsigned short *)ð_hdr_ptr[12])); |
| 388 | if (h_proto == 0x0800) { /* IP */ |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 389 | u8 *ip_hdr_ptr; |
| 390 | u8 protocol; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 391 | |
| 392 | ip_hdr_ptr = &buffer[ETHERNET_HDR_LEN]; |
| 393 | protocol = ip_hdr_ptr[9]; |
| 394 | |
| 395 | |
| 396 | if (protocol == 0x06) { |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 397 | u8 *tcp_hdr_ptr; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 398 | u32 IHL, Total_Length, Data_offset; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 399 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 400 | tcp_hdr_ptr = &ip_hdr_ptr[IP_HDR_LEN]; |
| 401 | IHL = (ip_hdr_ptr[0] & 0xf) << 2; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 402 | Total_Length = (((u32)ip_hdr_ptr[2]) << 8) + ((u32)ip_hdr_ptr[3]); |
| 403 | Data_offset = (((u32)tcp_hdr_ptr[12] & 0xf0) >> 2); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 404 | if (Total_Length == (IHL + Data_offset)) { /*we want to recognize the clear Acks(packet only carry Ack infos not with data) so data size must be equal zero*/ |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 405 | u32 seq_no, Ack_no; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 406 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 407 | seq_no = (((u32)tcp_hdr_ptr[4]) << 24) + (((u32)tcp_hdr_ptr[5]) << 16) + (((u32)tcp_hdr_ptr[6]) << 8) + ((u32)tcp_hdr_ptr[7]); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 408 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 409 | Ack_no = (((u32)tcp_hdr_ptr[8]) << 24) + (((u32)tcp_hdr_ptr[9]) << 16) + (((u32)tcp_hdr_ptr[10]) << 8) + ((u32)tcp_hdr_ptr[11]); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 410 | |
| 411 | |
| 412 | for (i = 0; i < Opened_TCP_session; i++) { |
| 413 | if (Acks_keep_track_info[i].Ack_seq_num == seq_no) { |
| 414 | Update_TCP_track_session(i, Ack_no); |
| 415 | break; |
| 416 | } |
| 417 | } |
| 418 | if (i == Opened_TCP_session) { |
| 419 | add_TCP_track_session(0, 0, seq_no); |
| 420 | } |
| 421 | add_TCP_Pending_Ack(Ack_no, i, tqe); |
| 422 | |
| 423 | |
| 424 | } |
| 425 | |
| 426 | } else { |
| 427 | ret = 0; |
| 428 | } |
| 429 | } else { |
| 430 | ret = 0; |
| 431 | } |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 432 | spin_unlock_irqrestore(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 433 | return ret; |
| 434 | } |
| 435 | |
| 436 | |
| 437 | static int wilc_wlan_txq_filter_dup_tcp_ack(void) |
| 438 | { |
| 439 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 440 | u32 i = 0; |
| 441 | u32 Dropped = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 442 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 443 | |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 444 | spin_lock_irqsave(p->txq_spinlock, p->txq_spinlock_flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 445 | for (i = PendingAcks_arrBase; i < (PendingAcks_arrBase + Pending_Acks); i++) { |
| 446 | if (Pending_Acks_info[i].ack_num < Acks_keep_track_info[Pending_Acks_info[i].Session_index].Bigger_Ack_num) { |
| 447 | struct txq_entry_t *tqe; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 448 | |
Chandra S Gorentla | 17aacd4 | 2015-08-08 17:41:35 +0530 | [diff] [blame] | 449 | PRINT_D(TCP_ENH, "DROP ACK: %u\n", Pending_Acks_info[i].ack_num); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 450 | tqe = Pending_Acks_info[i].txqe; |
| 451 | if (tqe) { |
| 452 | wilc_wlan_txq_remove(tqe); |
| 453 | Statisitcs_DroppedAcks++; |
| 454 | tqe->status = 1; /* mark the packet send */ |
| 455 | if (tqe->tx_complete_func) |
| 456 | tqe->tx_complete_func(tqe->priv, tqe->status); |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 457 | kfree(tqe); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 458 | Dropped++; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 459 | } |
| 460 | } |
| 461 | } |
| 462 | Pending_Acks = 0; |
| 463 | Opened_TCP_session = 0; |
| 464 | |
Chandra S Gorentla | 78174ad | 2015-08-08 17:41:36 +0530 | [diff] [blame] | 465 | if (PendingAcks_arrBase == 0) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 466 | PendingAcks_arrBase = MAX_TCP_SESSION; |
Chandra S Gorentla | 78174ad | 2015-08-08 17:41:36 +0530 | [diff] [blame] | 467 | else |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 468 | PendingAcks_arrBase = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 469 | |
| 470 | |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 471 | spin_unlock_irqrestore(p->txq_spinlock, p->txq_spinlock_flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 472 | |
| 473 | while (Dropped > 0) { |
| 474 | /*consume the semaphore count of the removed packet*/ |
| 475 | p->os_func.os_wait(p->txq_wait, 1); |
| 476 | Dropped--; |
| 477 | } |
| 478 | |
| 479 | return 1; |
| 480 | } |
| 481 | #endif |
| 482 | |
| 483 | #ifdef TCP_ENHANCEMENTS |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 484 | bool EnableTCPAckFilter = false; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 485 | |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 486 | void Enable_TCP_ACK_Filter(bool value) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 487 | { |
| 488 | EnableTCPAckFilter = value; |
| 489 | } |
| 490 | |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 491 | bool is_TCP_ACK_Filter_Enabled(void) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 492 | { |
| 493 | return EnableTCPAckFilter; |
| 494 | } |
| 495 | #endif |
| 496 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 497 | static int wilc_wlan_txq_add_cfg_pkt(u8 *buffer, u32 buffer_size) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 498 | { |
| 499 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 500 | struct txq_entry_t *tqe; |
| 501 | |
| 502 | PRINT_D(TX_DBG, "Adding config packet ...\n"); |
| 503 | if (p->quit) { |
| 504 | PRINT_D(TX_DBG, "Return due to clear function\n"); |
Greg Kroah-Hartman | 8990d85 | 2015-09-03 20:07:58 -0700 | [diff] [blame] | 505 | up(p->cfg_wait); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 506 | return 0; |
| 507 | } |
| 508 | |
Greg Kroah-Hartman | 47c632d | 2015-09-03 18:55:43 -0700 | [diff] [blame] | 509 | tqe = kmalloc(sizeof(struct txq_entry_t), GFP_ATOMIC); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 510 | if (tqe == NULL) { |
| 511 | PRINT_ER("Failed to allocate memory\n"); |
| 512 | return 0; |
| 513 | } |
| 514 | |
| 515 | tqe->type = WILC_CFG_PKT; |
| 516 | tqe->buffer = buffer; |
| 517 | tqe->buffer_size = buffer_size; |
| 518 | tqe->tx_complete_func = NULL; |
| 519 | tqe->priv = NULL; |
| 520 | #ifdef TCP_ACK_FILTER |
| 521 | tqe->tcp_PendingAck_index = NOT_TCP_ACK; |
| 522 | #endif |
| 523 | /** |
| 524 | * Configuration packet always at the front |
| 525 | **/ |
| 526 | PRINT_D(TX_DBG, "Adding the config packet at the Queue tail\n"); |
| 527 | |
| 528 | /*Edited by Amr - BugID_4720*/ |
| 529 | if (wilc_wlan_txq_add_to_head(tqe)) |
| 530 | return 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 531 | return 1; |
| 532 | } |
| 533 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 534 | static int wilc_wlan_txq_add_net_pkt(void *priv, u8 *buffer, u32 buffer_size, wilc_tx_complete_func_t func) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 535 | { |
| 536 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 537 | struct txq_entry_t *tqe; |
| 538 | |
| 539 | if (p->quit) |
| 540 | return 0; |
| 541 | |
Greg Kroah-Hartman | 47c632d | 2015-09-03 18:55:43 -0700 | [diff] [blame] | 542 | tqe = kmalloc(sizeof(struct txq_entry_t), GFP_ATOMIC); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 543 | |
| 544 | if (tqe == NULL) |
| 545 | return 0; |
| 546 | tqe->type = WILC_NET_PKT; |
| 547 | tqe->buffer = buffer; |
| 548 | tqe->buffer_size = buffer_size; |
| 549 | tqe->tx_complete_func = func; |
| 550 | tqe->priv = priv; |
| 551 | |
| 552 | PRINT_D(TX_DBG, "Adding mgmt packet at the Queue tail\n"); |
| 553 | #ifdef TCP_ACK_FILTER |
| 554 | tqe->tcp_PendingAck_index = NOT_TCP_ACK; |
| 555 | #ifdef TCP_ENHANCEMENTS |
Abdul Hussain | 5a66bf2 | 2015-06-16 09:44:06 +0000 | [diff] [blame] | 556 | if (is_TCP_ACK_Filter_Enabled()) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 557 | #endif |
| 558 | tcp_process(tqe); |
| 559 | #endif |
| 560 | wilc_wlan_txq_add_to_tail(tqe); |
| 561 | /*return number of itemes in the queue*/ |
| 562 | return p->txq_entries; |
| 563 | } |
| 564 | /*Bug3959: transmitting mgmt frames received from host*/ |
| 565 | #if defined(WILC_AP_EXTERNAL_MLME) || defined(WILC_P2P) |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 566 | int wilc_wlan_txq_add_mgmt_pkt(void *priv, u8 *buffer, u32 buffer_size, wilc_tx_complete_func_t func) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 567 | { |
| 568 | |
| 569 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 570 | struct txq_entry_t *tqe; |
| 571 | |
| 572 | if (p->quit) |
| 573 | return 0; |
| 574 | |
Greg Kroah-Hartman | 47c632d | 2015-09-03 18:55:43 -0700 | [diff] [blame] | 575 | tqe = kmalloc(sizeof(struct txq_entry_t), GFP_KERNEL); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 576 | |
| 577 | if (tqe == NULL) |
| 578 | return 0; |
| 579 | tqe->type = WILC_MGMT_PKT; |
| 580 | tqe->buffer = buffer; |
| 581 | tqe->buffer_size = buffer_size; |
| 582 | tqe->tx_complete_func = func; |
| 583 | tqe->priv = priv; |
| 584 | #ifdef TCP_ACK_FILTER |
| 585 | tqe->tcp_PendingAck_index = NOT_TCP_ACK; |
| 586 | #endif |
| 587 | PRINT_D(TX_DBG, "Adding Network packet at the Queue tail\n"); |
| 588 | wilc_wlan_txq_add_to_tail(tqe); |
| 589 | return 1; |
| 590 | } |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 591 | #endif /*WILC_AP_EXTERNAL_MLME*/ |
| 592 | static struct txq_entry_t *wilc_wlan_txq_get_first(void) |
| 593 | { |
| 594 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 595 | struct txq_entry_t *tqe; |
| 596 | unsigned long flags; |
| 597 | |
| 598 | /*Added by Amr - BugID_4720*/ |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 599 | spin_lock_irqsave(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 600 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 601 | tqe = p->txq_head; |
| 602 | |
| 603 | /*Added by Amr - BugID_4720*/ |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 604 | spin_unlock_irqrestore(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 605 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 606 | |
| 607 | return tqe; |
| 608 | } |
| 609 | |
| 610 | static struct txq_entry_t *wilc_wlan_txq_get_next(struct txq_entry_t *tqe) |
| 611 | { |
| 612 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 613 | unsigned long flags; |
| 614 | /*Added by Amr - BugID_4720*/ |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 615 | spin_lock_irqsave(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 616 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 617 | tqe = tqe->next; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 618 | /*Added by Amr - BugID_4720*/ |
Greg Kroah-Hartman | 17c4d5d | 2015-09-03 20:17:31 -0700 | [diff] [blame] | 619 | spin_unlock_irqrestore(p->txq_spinlock, flags); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 620 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 621 | |
| 622 | return tqe; |
| 623 | } |
| 624 | |
| 625 | static int wilc_wlan_rxq_add(struct rxq_entry_t *rqe) |
| 626 | { |
| 627 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 628 | |
| 629 | if (p->quit) |
| 630 | return 0; |
| 631 | |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 632 | mutex_lock(p->rxq_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 633 | if (p->rxq_head == NULL) { |
| 634 | PRINT_D(RX_DBG, "Add to Queue head\n"); |
| 635 | rqe->next = NULL; |
| 636 | p->rxq_head = rqe; |
| 637 | p->rxq_tail = rqe; |
| 638 | } else { |
| 639 | PRINT_D(RX_DBG, "Add to Queue tail\n"); |
| 640 | p->rxq_tail->next = rqe; |
| 641 | rqe->next = NULL; |
| 642 | p->rxq_tail = rqe; |
| 643 | } |
| 644 | p->rxq_entries += 1; |
| 645 | PRINT_D(RX_DBG, "Number of queue entries: %d\n", p->rxq_entries); |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 646 | mutex_unlock(p->rxq_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 647 | return p->rxq_entries; |
| 648 | } |
| 649 | |
| 650 | static struct rxq_entry_t *wilc_wlan_rxq_remove(void) |
| 651 | { |
| 652 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 653 | |
| 654 | PRINT_D(RX_DBG, "Getting rxQ element\n"); |
| 655 | if (p->rxq_head) { |
| 656 | struct rxq_entry_t *rqe; |
| 657 | |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 658 | mutex_lock(p->rxq_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 659 | rqe = p->rxq_head; |
| 660 | p->rxq_head = p->rxq_head->next; |
| 661 | p->rxq_entries -= 1; |
| 662 | PRINT_D(RX_DBG, "RXQ entries decreased\n"); |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 663 | mutex_unlock(p->rxq_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 664 | return rqe; |
| 665 | } |
| 666 | PRINT_D(RX_DBG, "Nothing to get from Q\n"); |
| 667 | return NULL; |
| 668 | } |
| 669 | |
| 670 | |
| 671 | /******************************************** |
| 672 | * |
| 673 | * Power Save handle functions |
| 674 | * |
| 675 | ********************************************/ |
| 676 | |
| 677 | |
| 678 | |
| 679 | #ifdef WILC_OPTIMIZE_SLEEP_INT |
| 680 | |
| 681 | INLINE void chip_allow_sleep(void) |
| 682 | { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 683 | u32 reg = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 684 | |
| 685 | /* Clear bit 1 */ |
| 686 | g_wlan.hif_func.hif_read_reg(0xf0, ®); |
| 687 | |
| 688 | g_wlan.hif_func.hif_write_reg(0xf0, reg & ~(1 << 0)); |
| 689 | } |
| 690 | |
| 691 | INLINE void chip_wakeup(void) |
| 692 | { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 693 | u32 reg, clk_status_reg, trials = 0; |
| 694 | u32 sleep_time; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 695 | |
| 696 | if ((g_wlan.io_func.io_type & 0x1) == HIF_SPI) { |
| 697 | do { |
| 698 | g_wlan.hif_func.hif_read_reg(1, ®); |
| 699 | /* Set bit 1 */ |
| 700 | g_wlan.hif_func.hif_write_reg(1, reg | (1 << 1)); |
| 701 | |
| 702 | /* Clear bit 1*/ |
| 703 | g_wlan.hif_func.hif_write_reg(1, reg & ~(1 << 1)); |
| 704 | |
| 705 | do { |
| 706 | /* Wait for the chip to stabilize*/ |
Greg Kroah-Hartman | 80e29c7 | 2015-08-14 19:42:23 -0700 | [diff] [blame] | 707 | usleep_range(2 * 1000, 2 * 1000); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 708 | /* Make sure chip is awake. This is an extra step that can be removed */ |
| 709 | /* later to avoid the bus access overhead */ |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 710 | if ((wilc_get_chipid(true) == 0)) { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 711 | wilc_debug(N_ERR, "Couldn't read chip id. Wake up failed\n"); |
| 712 | } |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 713 | } while ((wilc_get_chipid(true) == 0) && ((++trials % 3) == 0)); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 714 | |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 715 | } while (wilc_get_chipid(true) == 0); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 716 | } else if ((g_wlan.io_func.io_type & 0x1) == HIF_SDIO) { |
| 717 | g_wlan.hif_func.hif_read_reg(0xf0, ®); |
| 718 | do { |
| 719 | /* Set bit 1 */ |
| 720 | g_wlan.hif_func.hif_write_reg(0xf0, reg | (1 << 0)); |
| 721 | |
| 722 | /* Check the clock status */ |
| 723 | g_wlan.hif_func.hif_read_reg(0xf1, &clk_status_reg); |
| 724 | |
| 725 | /* in case of clocks off, wait 2ms, and check it again. */ |
| 726 | /* if still off, wait for another 2ms, for a total wait of 6ms. */ |
| 727 | /* If still off, redo the wake up sequence */ |
| 728 | while (((clk_status_reg & 0x1) == 0) && (((++trials) % 3) == 0)) { |
| 729 | /* Wait for the chip to stabilize*/ |
Greg Kroah-Hartman | 80e29c7 | 2015-08-14 19:42:23 -0700 | [diff] [blame] | 730 | usleep_range(2 * 1000, 2 * 1000); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 731 | |
| 732 | /* Make sure chip is awake. This is an extra step that can be removed */ |
| 733 | /* later to avoid the bus access overhead */ |
| 734 | g_wlan.hif_func.hif_read_reg(0xf1, &clk_status_reg); |
| 735 | |
| 736 | if ((clk_status_reg & 0x1) == 0) { |
| 737 | wilc_debug(N_ERR, "clocks still OFF. Wake up failed\n"); |
| 738 | } |
| 739 | } |
| 740 | /* in case of failure, Reset the wakeup bit to introduce a new edge on the next loop */ |
| 741 | if ((clk_status_reg & 0x1) == 0) { |
| 742 | /* Reset bit 0 */ |
| 743 | g_wlan.hif_func.hif_write_reg(0xf0, reg & (~(1 << 0))); |
| 744 | } |
| 745 | } while ((clk_status_reg & 0x1) == 0); |
| 746 | } |
| 747 | |
| 748 | |
| 749 | if (genuChipPSstate == CHIP_SLEEPING_MANUAL) { |
| 750 | g_wlan.hif_func.hif_read_reg(0x1C0C, ®); |
| 751 | reg &= ~(1 << 0); |
| 752 | g_wlan.hif_func.hif_write_reg(0x1C0C, reg); |
| 753 | |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 754 | if (wilc_get_chipid(false) >= 0x1002b0) { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 755 | /* Enable PALDO back right after wakeup */ |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 756 | u32 val32; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 757 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 758 | g_wlan.hif_func.hif_read_reg(0x1e1c, &val32); |
| 759 | val32 |= (1 << 6); |
| 760 | g_wlan.hif_func.hif_write_reg(0x1e1c, val32); |
| 761 | |
| 762 | g_wlan.hif_func.hif_read_reg(0x1e9c, &val32); |
| 763 | val32 |= (1 << 6); |
| 764 | g_wlan.hif_func.hif_write_reg(0x1e9c, val32); |
| 765 | } |
| 766 | } |
| 767 | genuChipPSstate = CHIP_WAKEDUP; |
| 768 | } |
| 769 | #else |
| 770 | INLINE void chip_wakeup(void) |
| 771 | { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 772 | u32 reg, trials = 0; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 773 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 774 | do { |
| 775 | if ((g_wlan.io_func.io_type & 0x1) == HIF_SPI) { |
| 776 | g_wlan.hif_func.hif_read_reg(1, ®); |
| 777 | /* Make sure bit 1 is 0 before we start. */ |
| 778 | g_wlan.hif_func.hif_write_reg(1, reg & ~(1 << 1)); |
| 779 | /* Set bit 1 */ |
| 780 | g_wlan.hif_func.hif_write_reg(1, reg | (1 << 1)); |
| 781 | /* Clear bit 1*/ |
| 782 | g_wlan.hif_func.hif_write_reg(1, reg & ~(1 << 1)); |
| 783 | } else if ((g_wlan.io_func.io_type & 0x1) == HIF_SDIO) { |
| 784 | /* Make sure bit 0 is 0 before we start. */ |
| 785 | g_wlan.hif_func.hif_read_reg(0xf0, ®); |
| 786 | g_wlan.hif_func.hif_write_reg(0xf0, reg & ~(1 << 0)); |
| 787 | /* Set bit 1 */ |
| 788 | g_wlan.hif_func.hif_write_reg(0xf0, reg | (1 << 0)); |
| 789 | /* Clear bit 1 */ |
| 790 | g_wlan.hif_func.hif_write_reg(0xf0, reg & ~(1 << 0)); |
| 791 | } |
| 792 | |
| 793 | do { |
| 794 | /* Wait for the chip to stabilize*/ |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 795 | mdelay(3); |
| 796 | |
| 797 | /* Make sure chip is awake. This is an extra step that can be removed */ |
| 798 | /* later to avoid the bus access overhead */ |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 799 | if ((wilc_get_chipid(true) == 0)) { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 800 | wilc_debug(N_ERR, "Couldn't read chip id. Wake up failed\n"); |
| 801 | } |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 802 | } while ((wilc_get_chipid(true) == 0) && ((++trials % 3) == 0)); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 803 | |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 804 | } while (wilc_get_chipid(true) == 0); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 805 | |
| 806 | if (genuChipPSstate == CHIP_SLEEPING_MANUAL) { |
| 807 | g_wlan.hif_func.hif_read_reg(0x1C0C, ®); |
| 808 | reg &= ~(1 << 0); |
| 809 | g_wlan.hif_func.hif_write_reg(0x1C0C, reg); |
| 810 | |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 811 | if (wilc_get_chipid(false) >= 0x1002b0) { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 812 | /* Enable PALDO back right after wakeup */ |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 813 | u32 val32; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 814 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 815 | g_wlan.hif_func.hif_read_reg(0x1e1c, &val32); |
| 816 | val32 |= (1 << 6); |
| 817 | g_wlan.hif_func.hif_write_reg(0x1e1c, val32); |
| 818 | |
| 819 | g_wlan.hif_func.hif_read_reg(0x1e9c, &val32); |
| 820 | val32 |= (1 << 6); |
| 821 | g_wlan.hif_func.hif_write_reg(0x1e9c, val32); |
| 822 | } |
| 823 | } |
| 824 | genuChipPSstate = CHIP_WAKEDUP; |
| 825 | } |
| 826 | #endif |
Chaehyun Lim | 4e4467f | 2015-06-11 14:35:55 +0900 | [diff] [blame] | 827 | void chip_sleep_manually(u32 u32SleepTime) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 828 | { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 829 | if (genuChipPSstate != CHIP_WAKEDUP) { |
| 830 | /* chip is already sleeping. Do nothing */ |
| 831 | return; |
| 832 | } |
| 833 | acquire_bus(ACQUIRE_ONLY); |
| 834 | |
| 835 | #ifdef WILC_OPTIMIZE_SLEEP_INT |
| 836 | chip_allow_sleep(); |
| 837 | #endif |
| 838 | |
| 839 | /* Trigger the manual sleep interrupt */ |
| 840 | g_wlan.hif_func.hif_write_reg(0x10a8, 1); |
| 841 | |
| 842 | genuChipPSstate = CHIP_SLEEPING_MANUAL; |
| 843 | release_bus(RELEASE_ONLY); |
| 844 | |
| 845 | } |
| 846 | |
| 847 | |
| 848 | /******************************************** |
| 849 | * |
| 850 | * Tx, Rx queue handle functions |
| 851 | * |
| 852 | ********************************************/ |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 853 | static int wilc_wlan_handle_txq(u32 *pu32TxqCount) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 854 | { |
| 855 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 856 | int i, entries = 0; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 857 | u32 sum; |
| 858 | u32 reg; |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 859 | u8 *txb = p->tx_buffer; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 860 | u32 offset = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 861 | int vmm_sz = 0; |
| 862 | struct txq_entry_t *tqe; |
| 863 | int ret = 0; |
| 864 | int counter; |
| 865 | int timeout; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 866 | u32 vmm_table[WILC_VMM_TBL_SIZE]; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 867 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 868 | p->txq_exit = 0; |
| 869 | do { |
| 870 | if (p->quit) |
| 871 | break; |
| 872 | |
| 873 | /*Added by Amr - BugID_4720*/ |
| 874 | p->os_func.os_wait(p->txq_add_to_head_lock, CFG_PKTS_TIMEOUT); |
| 875 | #ifdef TCP_ACK_FILTER |
| 876 | wilc_wlan_txq_filter_dup_tcp_ack(); |
| 877 | #endif |
| 878 | /** |
| 879 | * build the vmm list |
| 880 | **/ |
| 881 | PRINT_D(TX_DBG, "Getting the head of the TxQ\n"); |
| 882 | tqe = wilc_wlan_txq_get_first(); |
| 883 | i = 0; |
| 884 | sum = 0; |
| 885 | do { |
| 886 | /* if ((tqe != NULL) && (i < (8)) && */ |
| 887 | /* if ((tqe != NULL) && (i < (WILC_VMM_TBL_SIZE-1)) && */ |
| 888 | if ((tqe != NULL) && (i < (WILC_VMM_TBL_SIZE - 1)) /* reserve last entry to 0 */) { |
| 889 | |
| 890 | if (tqe->type == WILC_CFG_PKT) { |
| 891 | vmm_sz = ETH_CONFIG_PKT_HDR_OFFSET; |
| 892 | } |
| 893 | /*Bug3959: transmitting mgmt frames received from host*/ |
| 894 | /*vmm_sz will only be equal to tqe->buffer_size + 4 bytes (HOST_HDR_OFFSET)*/ |
| 895 | /* in other cases WILC_MGMT_PKT and WILC_DATA_PKT_MAC_HDR*/ |
| 896 | else if (tqe->type == WILC_NET_PKT) { |
| 897 | vmm_sz = ETH_ETHERNET_HDR_OFFSET; |
| 898 | } |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 899 | #ifdef WILC_AP_EXTERNAL_MLME |
| 900 | else { |
| 901 | vmm_sz = HOST_HDR_OFFSET; |
| 902 | } |
| 903 | #endif |
| 904 | vmm_sz += tqe->buffer_size; |
| 905 | PRINT_D(TX_DBG, "VMM Size before alignment = %d\n", vmm_sz); |
| 906 | if (vmm_sz & 0x3) { /* has to be word aligned */ |
| 907 | vmm_sz = (vmm_sz + 4) & ~0x3; |
| 908 | } |
| 909 | if ((sum + vmm_sz) > p->tx_buffer_size) { |
| 910 | break; |
| 911 | } |
| 912 | PRINT_D(TX_DBG, "VMM Size AFTER alignment = %d\n", vmm_sz); |
| 913 | vmm_table[i] = vmm_sz / 4; /* table take the word size */ |
| 914 | PRINT_D(TX_DBG, "VMMTable entry size = %d\n", vmm_table[i]); |
| 915 | |
| 916 | if (tqe->type == WILC_CFG_PKT) { |
| 917 | vmm_table[i] |= (1 << 10); |
| 918 | PRINT_D(TX_DBG, "VMMTable entry changed for CFG packet = %d\n", vmm_table[i]); |
| 919 | } |
| 920 | #ifdef BIG_ENDIAN |
| 921 | vmm_table[i] = BYTE_SWAP(vmm_table[i]); |
| 922 | #endif |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 923 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 924 | i++; |
| 925 | sum += vmm_sz; |
| 926 | PRINT_D(TX_DBG, "sum = %d\n", sum); |
| 927 | tqe = wilc_wlan_txq_get_next(tqe); |
| 928 | } else { |
| 929 | break; |
| 930 | } |
| 931 | } while (1); |
| 932 | |
| 933 | if (i == 0) { /* nothing in the queue */ |
| 934 | PRINT_D(TX_DBG, "Nothing in TX-Q\n"); |
| 935 | break; |
| 936 | } else { |
| 937 | PRINT_D(TX_DBG, "Mark the last entry in VMM table - number of previous entries = %d\n", i); |
| 938 | vmm_table[i] = 0x0; /* mark the last element to 0 */ |
| 939 | } |
| 940 | acquire_bus(ACQUIRE_AND_WAKEUP); |
| 941 | counter = 0; |
| 942 | do { |
| 943 | |
| 944 | ret = p->hif_func.hif_read_reg(WILC_HOST_TX_CTRL, ®); |
| 945 | if (!ret) { |
| 946 | wilc_debug(N_ERR, "[wilc txq]: fail can't read reg vmm_tbl_entry..\n"); |
| 947 | break; |
| 948 | } |
| 949 | |
| 950 | if ((reg & 0x1) == 0) { |
| 951 | /** |
| 952 | * write to vmm table |
| 953 | **/ |
| 954 | PRINT_D(TX_DBG, "Writing VMM table ... with Size = %d\n", ((i + 1) * 4)); |
| 955 | break; |
| 956 | } else { |
| 957 | counter++; |
| 958 | if (counter > 200) { |
| 959 | counter = 0; |
| 960 | PRINT_D(TX_DBG, "Looping in tx ctrl , forcce quit\n"); |
| 961 | ret = p->hif_func.hif_write_reg(WILC_HOST_TX_CTRL, 0); |
| 962 | break; |
| 963 | } |
| 964 | /** |
| 965 | * wait for vmm table is ready |
| 966 | **/ |
Chandra S Gorentla | 17aacd4 | 2015-08-08 17:41:35 +0530 | [diff] [blame] | 967 | PRINT_WRN(GENERIC_DBG, "[wilc txq]: warn, vmm table not clear yet, wait...\n"); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 968 | release_bus(RELEASE_ALLOW_SLEEP); |
Greg Kroah-Hartman | 2b922cb | 2015-09-04 09:30:51 -0700 | [diff] [blame] | 969 | usleep_range(3000, 3000); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 970 | acquire_bus(ACQUIRE_AND_WAKEUP); |
| 971 | } |
| 972 | } while (!p->quit); |
| 973 | |
| 974 | if (!ret) { |
| 975 | goto _end_; |
| 976 | } |
| 977 | |
| 978 | timeout = 200; |
| 979 | do { |
| 980 | |
| 981 | /** |
| 982 | * write to vmm table |
| 983 | **/ |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 984 | ret = p->hif_func.hif_block_tx(WILC_VMM_TBL_RX_SHADOW_BASE, (u8 *)vmm_table, ((i + 1) * 4)); /* Bug 4477 fix */ |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 985 | if (!ret) { |
| 986 | wilc_debug(N_ERR, "ERR block TX of VMM table.\n"); |
| 987 | break; |
| 988 | } |
| 989 | |
| 990 | |
| 991 | /** |
| 992 | * interrupt firmware |
| 993 | **/ |
| 994 | ret = p->hif_func.hif_write_reg(WILC_HOST_VMM_CTL, 0x2); |
| 995 | if (!ret) { |
| 996 | wilc_debug(N_ERR, "[wilc txq]: fail can't write reg host_vmm_ctl..\n"); |
| 997 | break; |
| 998 | } |
| 999 | |
| 1000 | /** |
| 1001 | * wait for confirm... |
| 1002 | **/ |
| 1003 | |
| 1004 | do { |
| 1005 | ret = p->hif_func.hif_read_reg(WILC_HOST_VMM_CTL, ®); |
| 1006 | if (!ret) { |
| 1007 | wilc_debug(N_ERR, "[wilc txq]: fail can't read reg host_vmm_ctl..\n"); |
| 1008 | break; |
| 1009 | } |
| 1010 | if ((reg >> 2) & 0x1) { |
| 1011 | /** |
| 1012 | * Get the entries |
| 1013 | **/ |
| 1014 | entries = ((reg >> 3) & 0x3f); |
| 1015 | /* entries = ((reg>>3)&0x2f); */ |
| 1016 | break; |
| 1017 | } else { |
| 1018 | release_bus(RELEASE_ALLOW_SLEEP); |
Greg Kroah-Hartman | 2b922cb | 2015-09-04 09:30:51 -0700 | [diff] [blame] | 1019 | usleep_range(3000, 3000); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1020 | acquire_bus(ACQUIRE_AND_WAKEUP); |
| 1021 | PRINT_WRN(GENERIC_DBG, "Can't get VMM entery - reg = %2x\n", reg); |
| 1022 | } |
| 1023 | } while (--timeout); |
| 1024 | if (timeout <= 0) { |
| 1025 | ret = p->hif_func.hif_write_reg(WILC_HOST_VMM_CTL, 0x0); |
| 1026 | break; |
| 1027 | } |
| 1028 | |
| 1029 | if (!ret) { |
| 1030 | break; |
| 1031 | } |
| 1032 | |
| 1033 | if (entries == 0) { |
Chandra S Gorentla | 17aacd4 | 2015-08-08 17:41:35 +0530 | [diff] [blame] | 1034 | PRINT_WRN(GENERIC_DBG, "[wilc txq]: no more buffer in the chip (reg: %08x), retry later [[ %d, %x ]]\n", reg, i, vmm_table[i - 1]); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1035 | |
| 1036 | /* undo the transaction. */ |
| 1037 | ret = p->hif_func.hif_read_reg(WILC_HOST_TX_CTRL, ®); |
| 1038 | if (!ret) { |
| 1039 | wilc_debug(N_ERR, "[wilc txq]: fail can't read reg WILC_HOST_TX_CTRL..\n"); |
| 1040 | break; |
| 1041 | } |
| 1042 | reg &= ~(1ul << 0); |
| 1043 | ret = p->hif_func.hif_write_reg(WILC_HOST_TX_CTRL, reg); |
| 1044 | if (!ret) { |
| 1045 | wilc_debug(N_ERR, "[wilc txq]: fail can't write reg WILC_HOST_TX_CTRL..\n"); |
| 1046 | break; |
| 1047 | } |
| 1048 | break; |
| 1049 | } else { |
| 1050 | break; |
| 1051 | } |
| 1052 | } while (1); |
| 1053 | |
| 1054 | if (!ret) { |
| 1055 | goto _end_; |
| 1056 | } |
| 1057 | if (entries == 0) { |
| 1058 | ret = WILC_TX_ERR_NO_BUF; |
| 1059 | goto _end_; |
| 1060 | } |
| 1061 | |
| 1062 | /* since copying data into txb takes some time, then |
| 1063 | * allow the bus lock to be released let the RX task go. */ |
| 1064 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1065 | |
| 1066 | /** |
| 1067 | * Copy data to the TX buffer |
| 1068 | **/ |
| 1069 | offset = 0; |
| 1070 | i = 0; |
| 1071 | do { |
| 1072 | tqe = wilc_wlan_txq_remove_from_head(); |
| 1073 | if (tqe != NULL && (vmm_table[i] != 0)) { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1074 | u32 header, buffer_offset; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1075 | |
| 1076 | #ifdef BIG_ENDIAN |
| 1077 | vmm_table[i] = BYTE_SWAP(vmm_table[i]); |
| 1078 | #endif |
| 1079 | vmm_sz = (vmm_table[i] & 0x3ff); /* in word unit */ |
| 1080 | vmm_sz *= 4; |
| 1081 | header = (tqe->type << 31) | (tqe->buffer_size << 15) | vmm_sz; |
| 1082 | /*Bug3959: transmitting mgmt frames received from host*/ |
| 1083 | /*setting bit 30 in the host header to indicate mgmt frame*/ |
| 1084 | #ifdef WILC_AP_EXTERNAL_MLME |
Chandra S Gorentla | 78174ad | 2015-08-08 17:41:36 +0530 | [diff] [blame] | 1085 | if (tqe->type == WILC_MGMT_PKT) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1086 | header |= (1 << 30); |
Chandra S Gorentla | 78174ad | 2015-08-08 17:41:36 +0530 | [diff] [blame] | 1087 | else |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1088 | header &= ~(1 << 30); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1089 | #endif |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1090 | |
| 1091 | #ifdef BIG_ENDIAN |
| 1092 | header = BYTE_SWAP(header); |
| 1093 | #endif |
| 1094 | memcpy(&txb[offset], &header, 4); |
| 1095 | if (tqe->type == WILC_CFG_PKT) { |
| 1096 | buffer_offset = ETH_CONFIG_PKT_HDR_OFFSET; |
| 1097 | } |
| 1098 | /*Bug3959: transmitting mgmt frames received from host*/ |
| 1099 | /*buffer offset = HOST_HDR_OFFSET in other cases: WILC_MGMT_PKT*/ |
| 1100 | /* and WILC_DATA_PKT_MAC_HDR*/ |
| 1101 | else if (tqe->type == WILC_NET_PKT) { |
| 1102 | char *pBSSID = ((struct tx_complete_data *)(tqe->priv))->pBssid; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 1103 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1104 | buffer_offset = ETH_ETHERNET_HDR_OFFSET; |
| 1105 | /* copy the bssid at the sart of the buffer */ |
| 1106 | memcpy(&txb[offset + 4], pBSSID, 6); |
| 1107 | } |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1108 | else { |
| 1109 | buffer_offset = HOST_HDR_OFFSET; |
| 1110 | } |
| 1111 | |
| 1112 | memcpy(&txb[offset + buffer_offset], tqe->buffer, tqe->buffer_size); |
| 1113 | offset += vmm_sz; |
| 1114 | i++; |
| 1115 | tqe->status = 1; /* mark the packet send */ |
| 1116 | if (tqe->tx_complete_func) |
| 1117 | tqe->tx_complete_func(tqe->priv, tqe->status); |
| 1118 | #ifdef TCP_ACK_FILTER |
| 1119 | if (tqe->tcp_PendingAck_index != NOT_TCP_ACK) { |
| 1120 | Pending_Acks_info[tqe->tcp_PendingAck_index].txqe = NULL; |
| 1121 | } |
| 1122 | #endif |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1123 | kfree(tqe); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1124 | } else { |
| 1125 | break; |
| 1126 | } |
| 1127 | } while (--entries); |
| 1128 | |
| 1129 | /** |
| 1130 | * lock the bus |
| 1131 | **/ |
| 1132 | acquire_bus(ACQUIRE_AND_WAKEUP); |
| 1133 | |
| 1134 | ret = p->hif_func.hif_clear_int_ext(ENABLE_TX_VMM); |
| 1135 | if (!ret) { |
| 1136 | wilc_debug(N_ERR, "[wilc txq]: fail can't start tx VMM ...\n"); |
| 1137 | goto _end_; |
| 1138 | } |
| 1139 | |
| 1140 | /** |
| 1141 | * transfer |
| 1142 | **/ |
| 1143 | ret = p->hif_func.hif_block_tx_ext(0, txb, offset); |
| 1144 | if (!ret) { |
| 1145 | wilc_debug(N_ERR, "[wilc txq]: fail can't block tx ext...\n"); |
| 1146 | goto _end_; |
| 1147 | } |
| 1148 | |
| 1149 | _end_: |
| 1150 | |
| 1151 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1152 | if (ret != 1) |
| 1153 | break; |
| 1154 | } while (0); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1155 | /*Added by Amr - BugID_4720*/ |
Greg Kroah-Hartman | 8990d85 | 2015-09-03 20:07:58 -0700 | [diff] [blame] | 1156 | up(p->txq_add_to_head_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1157 | |
| 1158 | p->txq_exit = 1; |
| 1159 | PRINT_D(TX_DBG, "THREAD: Exiting txq\n"); |
| 1160 | /* return tx[]q count */ |
| 1161 | *pu32TxqCount = p->txq_entries; |
| 1162 | return ret; |
| 1163 | } |
| 1164 | |
| 1165 | static void wilc_wlan_handle_rxq(void) |
| 1166 | { |
| 1167 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 1168 | int offset = 0, size, has_packet = 0; |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 1169 | u8 *buffer; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1170 | struct rxq_entry_t *rqe; |
| 1171 | |
| 1172 | p->rxq_exit = 0; |
| 1173 | |
| 1174 | |
| 1175 | |
| 1176 | |
| 1177 | do { |
| 1178 | if (p->quit) { |
Chandra S Gorentla | 17aacd4 | 2015-08-08 17:41:35 +0530 | [diff] [blame] | 1179 | PRINT_D(RX_DBG, "exit 1st do-while due to Clean_UP function\n"); |
Greg Kroah-Hartman | 8990d85 | 2015-09-03 20:07:58 -0700 | [diff] [blame] | 1180 | up(p->cfg_wait); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1181 | break; |
| 1182 | } |
| 1183 | rqe = wilc_wlan_rxq_remove(); |
| 1184 | if (rqe == NULL) { |
| 1185 | PRINT_D(RX_DBG, "nothing in the queue - exit 1st do-while\n"); |
| 1186 | break; |
| 1187 | } |
| 1188 | buffer = rqe->buffer; |
| 1189 | size = rqe->buffer_size; |
| 1190 | PRINT_D(RX_DBG, "rxQ entery Size = %d - Address = %p\n", size, buffer); |
| 1191 | offset = 0; |
| 1192 | |
| 1193 | |
| 1194 | |
| 1195 | do { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1196 | u32 header; |
| 1197 | u32 pkt_len, pkt_offset, tp_len; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1198 | int is_cfg_packet; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 1199 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1200 | PRINT_D(RX_DBG, "In the 2nd do-while\n"); |
| 1201 | memcpy(&header, &buffer[offset], 4); |
| 1202 | #ifdef BIG_ENDIAN |
| 1203 | header = BYTE_SWAP(header); |
| 1204 | #endif |
| 1205 | PRINT_D(RX_DBG, "Header = %04x - Offset = %d\n", header, offset); |
| 1206 | |
| 1207 | |
| 1208 | |
| 1209 | is_cfg_packet = (header >> 31) & 0x1; |
| 1210 | pkt_offset = (header >> 22) & 0x1ff; |
| 1211 | tp_len = (header >> 11) & 0x7ff; |
| 1212 | pkt_len = header & 0x7ff; |
| 1213 | |
| 1214 | if (pkt_len == 0 || tp_len == 0) { |
| 1215 | wilc_debug(N_RXQ, "[wilc rxq]: data corrupt, packet len or tp_len is 0 [%d][%d]\n", pkt_len, tp_len); |
| 1216 | break; |
| 1217 | } |
| 1218 | |
| 1219 | /*bug 3887: [AP] Allow Management frames to be passed to the host*/ |
| 1220 | #if defined(WILC_AP_EXTERNAL_MLME) || defined(WILC_P2P) |
| 1221 | #define IS_MANAGMEMENT 0x100 |
| 1222 | #define IS_MANAGMEMENT_CALLBACK 0x080 |
| 1223 | #define IS_MGMT_STATUS_SUCCES 0x040 |
| 1224 | |
| 1225 | |
| 1226 | if (pkt_offset & IS_MANAGMEMENT) { |
| 1227 | /* reset mgmt indicator bit, to use pkt_offeset in furthur calculations */ |
| 1228 | pkt_offset &= ~(IS_MANAGMEMENT | IS_MANAGMEMENT_CALLBACK | IS_MGMT_STATUS_SUCCES); |
| 1229 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1230 | WILC_WFI_mgmt_rx(&buffer[offset + HOST_HDR_OFFSET], pkt_len); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1231 | } |
| 1232 | /* BUG4530 fix */ |
| 1233 | else |
| 1234 | #endif |
| 1235 | { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1236 | |
| 1237 | if (!is_cfg_packet) { |
| 1238 | |
| 1239 | if (p->net_func.rx_indicate) { |
| 1240 | if (pkt_len > 0) { |
| 1241 | p->net_func.rx_indicate(&buffer[offset], pkt_len, pkt_offset); |
| 1242 | has_packet = 1; |
| 1243 | } |
| 1244 | } |
| 1245 | } else { |
| 1246 | wilc_cfg_rsp_t rsp; |
| 1247 | |
| 1248 | |
| 1249 | |
| 1250 | p->cif_func.rx_indicate(&buffer[pkt_offset + offset], pkt_len, &rsp); |
| 1251 | if (rsp.type == WILC_CFG_RSP) { |
| 1252 | /** |
| 1253 | * wake up the waiting task... |
| 1254 | **/ |
| 1255 | PRINT_D(RX_DBG, "p->cfg_seq_no = %d - rsp.seq_no = %d\n", p->cfg_seq_no, rsp.seq_no); |
| 1256 | if (p->cfg_seq_no == rsp.seq_no) { |
Greg Kroah-Hartman | 8990d85 | 2015-09-03 20:07:58 -0700 | [diff] [blame] | 1257 | up(p->cfg_wait); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1258 | } |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1259 | } else if (rsp.type == WILC_CFG_RSP_STATUS) { |
| 1260 | /** |
| 1261 | * Call back to indicate status... |
| 1262 | **/ |
| 1263 | if (p->indicate_func.mac_indicate) { |
| 1264 | p->indicate_func.mac_indicate(WILC_MAC_INDICATE_STATUS); |
| 1265 | } |
| 1266 | |
| 1267 | } else if (rsp.type == WILC_CFG_RSP_SCAN) { |
| 1268 | if (p->indicate_func.mac_indicate) |
| 1269 | p->indicate_func.mac_indicate(WILC_MAC_INDICATE_SCAN); |
| 1270 | } |
| 1271 | } |
| 1272 | } |
| 1273 | offset += tp_len; |
| 1274 | if (offset >= size) |
| 1275 | break; |
| 1276 | } while (1); |
| 1277 | |
| 1278 | |
| 1279 | #ifndef MEMORY_STATIC |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1280 | kfree(buffer); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1281 | #endif |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1282 | kfree(rqe); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1283 | |
| 1284 | if (has_packet) { |
| 1285 | if (p->net_func.rx_complete) |
| 1286 | p->net_func.rx_complete(); |
| 1287 | } |
| 1288 | } while (1); |
| 1289 | |
| 1290 | p->rxq_exit = 1; |
Chandra S Gorentla | 17aacd4 | 2015-08-08 17:41:35 +0530 | [diff] [blame] | 1291 | PRINT_D(RX_DBG, "THREAD: Exiting RX thread\n"); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1292 | } |
| 1293 | |
| 1294 | /******************************************** |
| 1295 | * |
| 1296 | * Fast DMA Isr |
| 1297 | * |
| 1298 | ********************************************/ |
| 1299 | static void wilc_unknown_isr_ext(void) |
| 1300 | { |
| 1301 | g_wlan.hif_func.hif_clear_int_ext(0); |
| 1302 | } |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1303 | static void wilc_pllupdate_isr_ext(u32 int_stats) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1304 | { |
| 1305 | |
| 1306 | int trials = 10; |
| 1307 | |
| 1308 | g_wlan.hif_func.hif_clear_int_ext(PLL_INT_CLR); |
| 1309 | |
| 1310 | /* Waiting for PLL */ |
Greg Kroah-Hartman | c2e4c0f | 2015-09-03 19:09:50 -0700 | [diff] [blame] | 1311 | mdelay(WILC_PLL_TO); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1312 | |
| 1313 | /* poll till read a valid data */ |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 1314 | while (!(ISWILC1000(wilc_get_chipid(true)) && --trials)) { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1315 | PRINT_D(TX_DBG, "PLL update retrying\n"); |
Greg Kroah-Hartman | c2e4c0f | 2015-09-03 19:09:50 -0700 | [diff] [blame] | 1316 | mdelay(1); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1317 | } |
| 1318 | } |
| 1319 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1320 | static void wilc_sleeptimer_isr_ext(u32 int_stats1) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1321 | { |
| 1322 | g_wlan.hif_func.hif_clear_int_ext(SLEEP_INT_CLR); |
| 1323 | #ifndef WILC_OPTIMIZE_SLEEP_INT |
| 1324 | genuChipPSstate = CHIP_SLEEPING_AUTO; |
| 1325 | #endif |
| 1326 | } |
| 1327 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1328 | static void wilc_wlan_handle_isr_ext(u32 int_status) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1329 | { |
| 1330 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 1331 | #ifdef MEMORY_STATIC |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1332 | u32 offset = p->rx_buffer_offset; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1333 | #endif |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 1334 | u8 *buffer = NULL; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1335 | u32 size; |
| 1336 | u32 retries = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1337 | int ret = 0; |
| 1338 | struct rxq_entry_t *rqe; |
| 1339 | |
| 1340 | |
| 1341 | /** |
| 1342 | * Get the rx size |
| 1343 | **/ |
| 1344 | |
| 1345 | size = ((int_status & 0x7fff) << 2); |
| 1346 | |
| 1347 | while (!size && retries < 10) { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1348 | u32 time = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1349 | /*looping more secure*/ |
| 1350 | /*zero size make a crashe because the dma will not happen and that will block the firmware*/ |
| 1351 | wilc_debug(N_ERR, "RX Size equal zero ... Trying to read it again for %d time\n", time++); |
| 1352 | p->hif_func.hif_read_size(&size); |
| 1353 | size = ((size & 0x7fff) << 2); |
| 1354 | retries++; |
| 1355 | |
| 1356 | } |
| 1357 | |
| 1358 | if (size > 0) { |
| 1359 | #ifdef MEMORY_STATIC |
| 1360 | if (p->rx_buffer_size - offset < size) |
| 1361 | offset = 0; |
| 1362 | |
| 1363 | if (p->rx_buffer) |
| 1364 | buffer = &p->rx_buffer[offset]; |
| 1365 | else { |
| 1366 | wilc_debug(N_ERR, "[wilc isr]: fail Rx Buffer is NULL...drop the packets (%d)\n", size); |
| 1367 | goto _end_; |
| 1368 | } |
| 1369 | |
| 1370 | #else |
Greg Kroah-Hartman | f019b9d | 2015-09-03 18:50:27 -0700 | [diff] [blame] | 1371 | buffer = kmalloc(size, GFP_KERNEL); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1372 | if (buffer == NULL) { |
| 1373 | wilc_debug(N_ERR, "[wilc isr]: fail alloc host memory...drop the packets (%d)\n", size); |
Greg Kroah-Hartman | 80e29c7 | 2015-08-14 19:42:23 -0700 | [diff] [blame] | 1374 | usleep_range(100 * 1000, 100 * 1000); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1375 | goto _end_; |
| 1376 | } |
| 1377 | #endif |
| 1378 | |
| 1379 | /** |
| 1380 | * clear the chip's interrupt after getting size some register getting corrupted after clear the interrupt |
| 1381 | **/ |
| 1382 | p->hif_func.hif_clear_int_ext(DATA_INT_CLR | ENABLE_RX_VMM); |
| 1383 | |
| 1384 | |
| 1385 | /** |
| 1386 | * start transfer |
| 1387 | **/ |
| 1388 | ret = p->hif_func.hif_block_rx_ext(0, buffer, size); |
| 1389 | |
| 1390 | if (!ret) { |
| 1391 | wilc_debug(N_ERR, "[wilc isr]: fail block rx...\n"); |
| 1392 | goto _end_; |
| 1393 | } |
| 1394 | _end_: |
| 1395 | |
| 1396 | |
| 1397 | if (ret) { |
| 1398 | #ifdef MEMORY_STATIC |
| 1399 | offset += size; |
| 1400 | p->rx_buffer_offset = offset; |
| 1401 | #endif |
| 1402 | /** |
| 1403 | * add to rx queue |
| 1404 | **/ |
Greg Kroah-Hartman | f019b9d | 2015-09-03 18:50:27 -0700 | [diff] [blame] | 1405 | rqe = kmalloc(sizeof(struct rxq_entry_t), GFP_KERNEL); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1406 | if (rqe != NULL) { |
| 1407 | rqe->buffer = buffer; |
| 1408 | rqe->buffer_size = size; |
| 1409 | PRINT_D(RX_DBG, "rxq entery Size= %d - Address = %p\n", rqe->buffer_size, rqe->buffer); |
| 1410 | wilc_wlan_rxq_add(rqe); |
Greg Kroah-Hartman | 8990d85 | 2015-09-03 20:07:58 -0700 | [diff] [blame] | 1411 | up(p->rxq_wait); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1412 | } |
| 1413 | } else { |
| 1414 | #ifndef MEMORY_STATIC |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1415 | kfree(buffer); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1416 | #endif |
| 1417 | } |
| 1418 | } |
| 1419 | #ifdef TCP_ENHANCEMENTS |
| 1420 | wilc_wlan_handle_rxq(); |
| 1421 | #endif |
| 1422 | } |
| 1423 | |
| 1424 | void wilc_handle_isr(void) |
| 1425 | { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1426 | u32 int_status; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1427 | |
| 1428 | acquire_bus(ACQUIRE_AND_WAKEUP); |
| 1429 | g_wlan.hif_func.hif_read_int(&int_status); |
| 1430 | |
| 1431 | if (int_status & PLL_INT_EXT) { |
| 1432 | wilc_pllupdate_isr_ext(int_status); |
| 1433 | } |
| 1434 | if (int_status & DATA_INT_EXT) { |
| 1435 | wilc_wlan_handle_isr_ext(int_status); |
| 1436 | #ifndef WILC_OPTIMIZE_SLEEP_INT |
| 1437 | /* Chip is up and talking*/ |
| 1438 | genuChipPSstate = CHIP_WAKEDUP; |
| 1439 | #endif |
| 1440 | } |
| 1441 | if (int_status & SLEEP_INT_EXT) { |
| 1442 | wilc_sleeptimer_isr_ext(int_status); |
| 1443 | } |
| 1444 | |
| 1445 | if (!(int_status & (ALL_INT_EXT))) { |
| 1446 | #ifdef WILC_SDIO |
| 1447 | PRINT_D(TX_DBG, ">> UNKNOWN_INTERRUPT - 0x%08x\n", int_status); |
| 1448 | #endif |
| 1449 | wilc_unknown_isr_ext(); |
| 1450 | } |
| 1451 | #if ((!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO)) |
| 1452 | linux_wlan_enable_irq(); |
| 1453 | #endif |
| 1454 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1455 | } |
| 1456 | |
| 1457 | /******************************************** |
| 1458 | * |
| 1459 | * Firmware download |
| 1460 | * |
| 1461 | ********************************************/ |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1462 | static int wilc_wlan_firmware_download(const u8 *buffer, u32 buffer_size) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1463 | { |
| 1464 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1465 | u32 offset; |
| 1466 | u32 addr, size, size2, blksz; |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 1467 | u8 *dma_buffer; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1468 | int ret = 0; |
| 1469 | |
| 1470 | blksz = (1ul << 12); /* Bug 4703: 4KB Good enough size for most platforms = PAGE_SIZE. */ |
| 1471 | /* Allocate a DMA coherent buffer. */ |
| 1472 | |
Greg Kroah-Hartman | f019b9d | 2015-09-03 18:50:27 -0700 | [diff] [blame] | 1473 | dma_buffer = kmalloc(blksz, GFP_KERNEL); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1474 | if (dma_buffer == NULL) { |
| 1475 | /*EIO 5*/ |
| 1476 | ret = -5; |
| 1477 | PRINT_ER("Can't allocate buffer for firmware download IO error\n "); |
| 1478 | goto _fail_1; |
| 1479 | } |
| 1480 | |
| 1481 | PRINT_D(INIT_DBG, "Downloading firmware size = %d ...\n", buffer_size); |
| 1482 | /** |
| 1483 | * load the firmware |
| 1484 | **/ |
| 1485 | offset = 0; |
| 1486 | do { |
| 1487 | memcpy(&addr, &buffer[offset], 4); |
| 1488 | memcpy(&size, &buffer[offset + 4], 4); |
| 1489 | #ifdef BIG_ENDIAN |
| 1490 | addr = BYTE_SWAP(addr); |
| 1491 | size = BYTE_SWAP(size); |
| 1492 | #endif |
| 1493 | acquire_bus(ACQUIRE_ONLY); |
| 1494 | offset += 8; |
| 1495 | while (((int)size) && (offset < buffer_size)) { |
Chandra S Gorentla | 78174ad | 2015-08-08 17:41:36 +0530 | [diff] [blame] | 1496 | if (size <= blksz) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1497 | size2 = size; |
Chandra S Gorentla | 78174ad | 2015-08-08 17:41:36 +0530 | [diff] [blame] | 1498 | else |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1499 | size2 = blksz; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1500 | /* Copy firmware into a DMA coherent buffer */ |
| 1501 | memcpy(dma_buffer, &buffer[offset], size2); |
| 1502 | ret = p->hif_func.hif_block_tx(addr, dma_buffer, size2); |
| 1503 | if (!ret) |
| 1504 | break; |
| 1505 | |
| 1506 | addr += size2; |
| 1507 | offset += size2; |
| 1508 | size -= size2; |
| 1509 | } |
| 1510 | release_bus(RELEASE_ONLY); |
| 1511 | |
| 1512 | if (!ret) { |
| 1513 | /*EIO 5*/ |
| 1514 | ret = -5; |
| 1515 | PRINT_ER("Can't download firmware IO error\n "); |
| 1516 | goto _fail_; |
| 1517 | } |
| 1518 | PRINT_D(INIT_DBG, "Offset = %d\n", offset); |
| 1519 | } while (offset < buffer_size); |
| 1520 | |
| 1521 | _fail_: |
| 1522 | |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1523 | kfree(dma_buffer); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1524 | |
| 1525 | _fail_1: |
| 1526 | |
| 1527 | return (ret < 0) ? ret : 0; |
| 1528 | } |
| 1529 | |
| 1530 | /******************************************** |
| 1531 | * |
| 1532 | * Common |
| 1533 | * |
| 1534 | ********************************************/ |
| 1535 | static int wilc_wlan_start(void) |
| 1536 | { |
| 1537 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1538 | u32 reg = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1539 | int ret; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1540 | u32 chipid; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1541 | |
| 1542 | /** |
| 1543 | * Set the host interface |
| 1544 | **/ |
| 1545 | #ifdef OLD_FPGA_BITFILE |
| 1546 | acquire_bus(ACQUIRE_ONLY); |
| 1547 | ret = p->hif_func.hif_read_reg(WILC_VMM_CORE_CTL, ®); |
| 1548 | if (!ret) { |
| 1549 | wilc_debug(N_ERR, "[wilc start]: fail read reg vmm_core_ctl...\n"); |
| 1550 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1551 | return ret; |
| 1552 | } |
| 1553 | reg |= (p->io_func.io_type << 2); |
| 1554 | ret = p->hif_func.hif_write_reg(WILC_VMM_CORE_CTL, reg); |
| 1555 | if (!ret) { |
| 1556 | wilc_debug(N_ERR, "[wilc start]: fail write reg vmm_core_ctl...\n"); |
| 1557 | release_bus(RELEASE_ONLY); |
| 1558 | return ret; |
| 1559 | } |
| 1560 | #else |
| 1561 | if (p->io_func.io_type == HIF_SDIO) { |
| 1562 | reg = 0; |
| 1563 | reg |= (1 << 3); /* bug 4456 and 4557 */ |
| 1564 | } else if (p->io_func.io_type == HIF_SPI) { |
| 1565 | reg = 1; |
| 1566 | } |
| 1567 | acquire_bus(ACQUIRE_ONLY); |
| 1568 | ret = p->hif_func.hif_write_reg(WILC_VMM_CORE_CFG, reg); |
| 1569 | if (!ret) { |
| 1570 | wilc_debug(N_ERR, "[wilc start]: fail write reg vmm_core_cfg...\n"); |
| 1571 | release_bus(RELEASE_ONLY); |
| 1572 | /* EIO 5*/ |
| 1573 | ret = -5; |
| 1574 | return ret; |
| 1575 | } |
| 1576 | reg = 0; |
| 1577 | #ifdef WILC_SDIO_IRQ_GPIO |
| 1578 | reg |= WILC_HAVE_SDIO_IRQ_GPIO; |
| 1579 | #endif |
| 1580 | |
| 1581 | #ifdef WILC_DISABLE_PMU |
| 1582 | #else |
| 1583 | reg |= WILC_HAVE_USE_PMU; |
| 1584 | #endif |
| 1585 | |
| 1586 | #ifdef WILC_SLEEP_CLK_SRC_XO |
| 1587 | reg |= WILC_HAVE_SLEEP_CLK_SRC_XO; |
| 1588 | #elif defined WILC_SLEEP_CLK_SRC_RTC |
| 1589 | reg |= WILC_HAVE_SLEEP_CLK_SRC_RTC; |
| 1590 | #endif |
| 1591 | |
| 1592 | #ifdef WILC_EXT_PA_INV_TX_RX |
| 1593 | reg |= WILC_HAVE_EXT_PA_INV_TX_RX; |
| 1594 | #endif |
| 1595 | |
| 1596 | reg |= WILC_HAVE_LEGACY_RF_SETTINGS; |
| 1597 | |
| 1598 | |
| 1599 | /*BugID_5257*/ |
| 1600 | /*Set oscillator frequency*/ |
| 1601 | #ifdef XTAL_24 |
| 1602 | reg |= WILC_HAVE_XTAL_24; |
| 1603 | #endif |
| 1604 | |
| 1605 | /*BugID_5271*/ |
| 1606 | /*Enable/Disable GPIO configuration for FW logs*/ |
| 1607 | #ifdef DISABLE_WILC_UART |
| 1608 | reg |= WILC_HAVE_DISABLE_WILC_UART; |
| 1609 | #endif |
| 1610 | |
| 1611 | ret = p->hif_func.hif_write_reg(WILC_GP_REG_1, reg); |
| 1612 | if (!ret) { |
| 1613 | wilc_debug(N_ERR, "[wilc start]: fail write WILC_GP_REG_1 ...\n"); |
| 1614 | release_bus(RELEASE_ONLY); |
| 1615 | /* EIO 5*/ |
| 1616 | ret = -5; |
| 1617 | return ret; |
| 1618 | } |
| 1619 | #endif |
| 1620 | |
| 1621 | |
| 1622 | /** |
| 1623 | * Bus related |
| 1624 | **/ |
| 1625 | p->hif_func.hif_sync_ext(NUM_INT_EXT); |
| 1626 | |
| 1627 | ret = p->hif_func.hif_read_reg(0x1000, &chipid); |
| 1628 | if (!ret) { |
| 1629 | wilc_debug(N_ERR, "[wilc start]: fail read reg 0x1000 ...\n"); |
| 1630 | release_bus(RELEASE_ONLY); |
| 1631 | /* EIO 5*/ |
| 1632 | ret = -5; |
| 1633 | return ret; |
| 1634 | } |
| 1635 | |
| 1636 | /** |
| 1637 | * Go... |
| 1638 | **/ |
| 1639 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1640 | |
| 1641 | p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); |
| 1642 | if ((reg & (1ul << 10)) == (1ul << 10)) { |
| 1643 | reg &= ~(1ul << 10); |
| 1644 | p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); |
| 1645 | p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); |
| 1646 | } |
| 1647 | |
| 1648 | reg |= (1ul << 10); |
| 1649 | ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); |
| 1650 | p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); |
| 1651 | release_bus(RELEASE_ONLY); |
| 1652 | |
| 1653 | return (ret < 0) ? ret : 0; |
| 1654 | } |
| 1655 | |
| 1656 | void wilc_wlan_global_reset(void) |
| 1657 | { |
| 1658 | |
| 1659 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
Chaehyun Lim | 8dfaafd | 2015-08-18 23:18:11 +0900 | [diff] [blame] | 1660 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1661 | acquire_bus(ACQUIRE_AND_WAKEUP); |
| 1662 | p->hif_func.hif_write_reg(WILC_GLB_RESET_0, 0x0); |
| 1663 | release_bus(RELEASE_ONLY); |
| 1664 | } |
| 1665 | static int wilc_wlan_stop(void) |
| 1666 | { |
| 1667 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1668 | u32 reg = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1669 | int ret; |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 1670 | u8 timeout = 10; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1671 | /** |
| 1672 | * TODO: stop the firmware, need a re-download |
| 1673 | **/ |
| 1674 | acquire_bus(ACQUIRE_AND_WAKEUP); |
| 1675 | |
| 1676 | ret = p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); |
| 1677 | if (!ret) { |
| 1678 | PRINT_ER("Error while reading reg\n"); |
| 1679 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1680 | return ret; |
| 1681 | } |
| 1682 | |
| 1683 | reg &= ~(1 << 10); |
| 1684 | |
| 1685 | |
| 1686 | ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); |
| 1687 | if (!ret) { |
| 1688 | PRINT_ER("Error while writing reg\n"); |
| 1689 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1690 | return ret; |
| 1691 | } |
| 1692 | |
| 1693 | |
| 1694 | |
| 1695 | do { |
| 1696 | ret = p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); |
| 1697 | if (!ret) { |
| 1698 | PRINT_ER("Error while reading reg\n"); |
| 1699 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1700 | return ret; |
| 1701 | } |
| 1702 | PRINT_D(GENERIC_DBG, "Read RESET Reg %x : Retry%d\n", reg, timeout); |
| 1703 | /*Workaround to ensure that the chip is actually reset*/ |
| 1704 | if ((reg & (1 << 10))) { |
| 1705 | PRINT_D(GENERIC_DBG, "Bit 10 not reset : Retry %d\n", timeout); |
| 1706 | reg &= ~(1 << 10); |
| 1707 | ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); |
| 1708 | timeout--; |
| 1709 | } else { |
| 1710 | PRINT_D(GENERIC_DBG, "Bit 10 reset after : Retry %d\n", timeout); |
| 1711 | ret = p->hif_func.hif_read_reg(WILC_GLB_RESET_0, ®); |
| 1712 | if (!ret) { |
| 1713 | PRINT_ER("Error while reading reg\n"); |
| 1714 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1715 | return ret; |
| 1716 | } |
| 1717 | PRINT_D(GENERIC_DBG, "Read RESET Reg %x : Retry%d\n", reg, timeout); |
| 1718 | break; |
| 1719 | } |
| 1720 | |
| 1721 | } while (timeout); |
| 1722 | #if 1 |
| 1723 | /******************************************************************************/ |
| 1724 | /* This was add at Bug 4595 to reset the chip while maintaining the bus state */ |
| 1725 | /******************************************************************************/ |
| 1726 | reg = ((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 8) | (1 << 9) | (1 << 26) | (1 << 29) | (1 << 30) | (1 << 31)); /**/ |
| 1727 | /**/ |
Hari Prasath Gujulan Elango | 369f190 | 2015-06-22 07:04:39 +0000 | [diff] [blame] | 1728 | p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); /**/ |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1729 | reg = ~(1 << 10); /**/ |
| 1730 | /**/ |
| 1731 | ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg); /**/ |
| 1732 | /******************************************************************************/ |
| 1733 | #endif |
| 1734 | |
| 1735 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1736 | |
| 1737 | return ret; |
| 1738 | } |
| 1739 | |
| 1740 | static void wilc_wlan_cleanup(void) |
| 1741 | { |
| 1742 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 1743 | struct txq_entry_t *tqe; |
| 1744 | struct rxq_entry_t *rqe; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1745 | u32 reg = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1746 | int ret; |
| 1747 | |
| 1748 | p->quit = 1; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1749 | do { |
| 1750 | tqe = wilc_wlan_txq_remove_from_head(); |
| 1751 | if (tqe == NULL) |
| 1752 | break; |
| 1753 | if (tqe->tx_complete_func) |
| 1754 | tqe->tx_complete_func(tqe->priv, 0); |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1755 | kfree(tqe); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1756 | } while (1); |
| 1757 | |
| 1758 | do { |
| 1759 | rqe = wilc_wlan_rxq_remove(); |
| 1760 | if (rqe == NULL) |
| 1761 | break; |
| 1762 | #ifdef MEMORY_DYNAMIC |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1763 | kfree(tqe->buffer); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1764 | #endif |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1765 | kfree(rqe); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1766 | } while (1); |
| 1767 | |
| 1768 | /** |
| 1769 | * clean up buffer |
| 1770 | **/ |
| 1771 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1772 | #ifdef MEMORY_STATIC |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1773 | kfree(p->rx_buffer); |
| 1774 | p->rx_buffer = NULL; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1775 | #endif |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 1776 | kfree(p->tx_buffer); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1777 | |
| 1778 | acquire_bus(ACQUIRE_AND_WAKEUP); |
| 1779 | |
| 1780 | |
| 1781 | ret = p->hif_func.hif_read_reg(WILC_GP_REG_0, ®); |
| 1782 | if (!ret) { |
| 1783 | PRINT_ER("Error while reading reg\n"); |
| 1784 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1785 | } |
| 1786 | PRINT_ER("Writing ABORT reg\n"); |
| 1787 | ret = p->hif_func.hif_write_reg(WILC_GP_REG_0, (reg | ABORT_INT)); |
| 1788 | if (!ret) { |
| 1789 | PRINT_ER("Error while writing reg\n"); |
| 1790 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1791 | } |
| 1792 | release_bus(RELEASE_ALLOW_SLEEP); |
| 1793 | /** |
| 1794 | * io clean up |
| 1795 | **/ |
| 1796 | p->hif_func.hif_deinit(NULL); |
| 1797 | |
| 1798 | } |
| 1799 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1800 | static int wilc_wlan_cfg_commit(int type, u32 drvHandler) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1801 | { |
| 1802 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 1803 | wilc_cfg_frame_t *cfg = &p->cfg_frame; |
| 1804 | int total_len = p->cfg_frame_offset + 4 + DRIVER_HANDLER_SIZE; |
| 1805 | int seq_no = p->cfg_seq_no % 256; |
Chaehyun Lim | 4e4467f | 2015-06-11 14:35:55 +0900 | [diff] [blame] | 1806 | int driver_handler = (u32)drvHandler; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1807 | |
| 1808 | |
| 1809 | /** |
| 1810 | * Set up header |
| 1811 | **/ |
| 1812 | if (type == WILC_CFG_SET) { /* Set */ |
| 1813 | cfg->wid_header[0] = 'W'; |
| 1814 | } else { /* Query */ |
| 1815 | cfg->wid_header[0] = 'Q'; |
| 1816 | } |
| 1817 | cfg->wid_header[1] = seq_no; /* sequence number */ |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 1818 | cfg->wid_header[2] = (u8)total_len; |
| 1819 | cfg->wid_header[3] = (u8)(total_len >> 8); |
| 1820 | cfg->wid_header[4] = (u8)driver_handler; |
| 1821 | cfg->wid_header[5] = (u8)(driver_handler >> 8); |
| 1822 | cfg->wid_header[6] = (u8)(driver_handler >> 16); |
| 1823 | cfg->wid_header[7] = (u8)(driver_handler >> 24); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1824 | p->cfg_seq_no = seq_no; |
| 1825 | |
| 1826 | /** |
| 1827 | * Add to TX queue |
| 1828 | **/ |
| 1829 | |
| 1830 | /*Edited by Amr - BugID_4720*/ |
| 1831 | if (!wilc_wlan_txq_add_cfg_pkt(&cfg->wid_header[0], total_len)) |
| 1832 | return -1; |
| 1833 | |
| 1834 | return 0; |
| 1835 | } |
| 1836 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1837 | static int wilc_wlan_cfg_set(int start, u32 wid, u8 *buffer, u32 buffer_size, int commit, u32 drvHandler) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1838 | { |
| 1839 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1840 | u32 offset; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1841 | int ret_size; |
| 1842 | |
| 1843 | |
| 1844 | if (p->cfg_frame_in_use) |
| 1845 | return 0; |
| 1846 | |
| 1847 | if (start) |
| 1848 | p->cfg_frame_offset = 0; |
| 1849 | |
| 1850 | offset = p->cfg_frame_offset; |
Chaehyun Lim | ec53adf | 2015-09-15 14:06:15 +0900 | [diff] [blame] | 1851 | ret_size = p->cif_func.cfg_wid_set(p->cfg_frame.frame, offset, (u16)wid, buffer, buffer_size); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1852 | offset += ret_size; |
| 1853 | p->cfg_frame_offset = offset; |
| 1854 | |
| 1855 | if (commit) { |
| 1856 | PRINT_D(TX_DBG, "[WILC]PACKET Commit with sequence number %d\n", p->cfg_seq_no); |
| 1857 | PRINT_D(RX_DBG, "Processing cfg_set()\n"); |
| 1858 | p->cfg_frame_in_use = 1; |
| 1859 | |
| 1860 | /*Edited by Amr - BugID_4720*/ |
| 1861 | if (wilc_wlan_cfg_commit(WILC_CFG_SET, drvHandler)) |
| 1862 | ret_size = 0; /* BugID_5213 */ |
| 1863 | |
| 1864 | if (p->os_func.os_wait(p->cfg_wait, CFG_PKTS_TIMEOUT)) { |
| 1865 | PRINT_D(TX_DBG, "Set Timed Out\n"); |
| 1866 | ret_size = 0; |
| 1867 | } |
| 1868 | p->cfg_frame_in_use = 0; |
| 1869 | p->cfg_frame_offset = 0; |
| 1870 | p->cfg_seq_no += 1; |
| 1871 | |
| 1872 | } |
| 1873 | |
| 1874 | return ret_size; |
| 1875 | } |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1876 | static int wilc_wlan_cfg_get(int start, u32 wid, int commit, u32 drvHandler) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1877 | { |
| 1878 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1879 | u32 offset; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1880 | int ret_size; |
| 1881 | |
| 1882 | |
| 1883 | if (p->cfg_frame_in_use) |
| 1884 | return 0; |
| 1885 | |
| 1886 | if (start) |
| 1887 | p->cfg_frame_offset = 0; |
| 1888 | |
| 1889 | offset = p->cfg_frame_offset; |
Chaehyun Lim | ec53adf | 2015-09-15 14:06:15 +0900 | [diff] [blame] | 1890 | ret_size = p->cif_func.cfg_wid_get(p->cfg_frame.frame, offset, (u16)wid); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1891 | offset += ret_size; |
| 1892 | p->cfg_frame_offset = offset; |
| 1893 | |
| 1894 | if (commit) { |
| 1895 | p->cfg_frame_in_use = 1; |
| 1896 | |
| 1897 | /*Edited by Amr - BugID_4720*/ |
| 1898 | if (wilc_wlan_cfg_commit(WILC_CFG_QUERY, drvHandler)) |
| 1899 | ret_size = 0; /* BugID_5213 */ |
| 1900 | |
| 1901 | |
| 1902 | if (p->os_func.os_wait(p->cfg_wait, CFG_PKTS_TIMEOUT)) { |
| 1903 | PRINT_D(TX_DBG, "Get Timed Out\n"); |
| 1904 | ret_size = 0; |
| 1905 | } |
| 1906 | PRINT_D(GENERIC_DBG, "[WILC]Get Response received\n"); |
| 1907 | p->cfg_frame_in_use = 0; |
| 1908 | p->cfg_frame_offset = 0; |
| 1909 | p->cfg_seq_no += 1; |
| 1910 | } |
| 1911 | |
| 1912 | return ret_size; |
| 1913 | } |
| 1914 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1915 | static int wilc_wlan_cfg_get_val(u32 wid, u8 *buffer, u32 buffer_size) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1916 | { |
| 1917 | wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan; |
| 1918 | int ret; |
| 1919 | |
Chaehyun Lim | ec53adf | 2015-09-15 14:06:15 +0900 | [diff] [blame] | 1920 | ret = p->cif_func.cfg_wid_get_val((u16)wid, buffer, buffer_size); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1921 | |
| 1922 | return ret; |
| 1923 | } |
| 1924 | |
| 1925 | void wilc_bus_set_max_speed(void) |
| 1926 | { |
| 1927 | |
| 1928 | /* Increase bus speed to max possible. */ |
| 1929 | g_wlan.hif_func.hif_set_max_bus_speed(); |
| 1930 | } |
| 1931 | |
| 1932 | void wilc_bus_set_default_speed(void) |
| 1933 | { |
| 1934 | |
| 1935 | /* Restore bus speed to default. */ |
| 1936 | g_wlan.hif_func.hif_set_default_bus_speed(); |
| 1937 | } |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1938 | u32 init_chip(void) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1939 | { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1940 | u32 chipid; |
| 1941 | u32 reg, ret = 0; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1942 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1943 | acquire_bus(ACQUIRE_ONLY); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1944 | |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 1945 | chipid = wilc_get_chipid(true); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1946 | |
| 1947 | |
| 1948 | |
| 1949 | if ((chipid & 0xfff) != 0xa0) { |
| 1950 | /** |
| 1951 | * Avoid booting from boot ROM. Make sure that Drive IRQN [SDIO platform] |
| 1952 | * or SD_DAT3 [SPI platform] to ?1? |
| 1953 | **/ |
| 1954 | /* Set cortus reset register to register control. */ |
| 1955 | ret = g_wlan.hif_func.hif_read_reg(0x1118, ®); |
| 1956 | if (!ret) { |
| 1957 | wilc_debug(N_ERR, "[wilc start]: fail read reg 0x1118 ...\n"); |
| 1958 | return ret; |
| 1959 | } |
| 1960 | reg |= (1 << 0); |
| 1961 | ret = g_wlan.hif_func.hif_write_reg(0x1118, reg); |
| 1962 | if (!ret) { |
| 1963 | wilc_debug(N_ERR, "[wilc start]: fail write reg 0x1118 ...\n"); |
| 1964 | return ret; |
| 1965 | } |
| 1966 | /** |
| 1967 | * Write branch intruction to IRAM (0x71 trap) at location 0xFFFF0000 |
| 1968 | * (Cortus map) or C0000 (AHB map). |
| 1969 | **/ |
| 1970 | ret = g_wlan.hif_func.hif_write_reg(0xc0000, 0x71); |
| 1971 | if (!ret) { |
| 1972 | wilc_debug(N_ERR, "[wilc start]: fail write reg 0xc0000 ...\n"); |
| 1973 | return ret; |
| 1974 | } |
| 1975 | } |
| 1976 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1977 | release_bus(RELEASE_ONLY); |
| 1978 | |
| 1979 | return ret; |
| 1980 | |
| 1981 | } |
| 1982 | |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1983 | u32 wilc_get_chipid(u8 update) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1984 | { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1985 | static u32 chipid; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1986 | /* SDIO can't read into global variables */ |
| 1987 | /* Use this variable as a temp, then copy to the global */ |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 1988 | u32 tempchipid = 0; |
| 1989 | u32 rfrevid; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 1990 | |
| 1991 | if (chipid == 0 || update != 0) { |
| 1992 | g_wlan.hif_func.hif_read_reg(0x1000, &tempchipid); |
| 1993 | g_wlan.hif_func.hif_read_reg(0x13f4, &rfrevid); |
| 1994 | if (!ISWILC1000(tempchipid)) { |
| 1995 | chipid = 0; |
| 1996 | goto _fail_; |
| 1997 | } |
| 1998 | if (tempchipid == 0x1002a0) { |
| 1999 | if (rfrevid == 0x1) { /* 1002A0 */ |
| 2000 | } else { /* if (rfrevid == 0x2) */ /* 1002A1 */ |
| 2001 | tempchipid = 0x1002a1; |
| 2002 | } |
| 2003 | } else if (tempchipid == 0x1002b0) { |
| 2004 | if (rfrevid == 3) { /* 1002B0 */ |
| 2005 | } else if (rfrevid == 4) { /* 1002B1 */ |
| 2006 | tempchipid = 0x1002b1; |
| 2007 | } else { /* if(rfrevid == 5) */ /* 1002B2 */ |
| 2008 | tempchipid = 0x1002b2; |
| 2009 | } |
| 2010 | } else { |
| 2011 | } |
| 2012 | |
| 2013 | chipid = tempchipid; |
| 2014 | } |
| 2015 | _fail_: |
| 2016 | return chipid; |
| 2017 | } |
| 2018 | |
| 2019 | #ifdef COMPLEMENT_BOOT |
Chaehyun Lim | 51e825f | 2015-09-15 14:06:14 +0900 | [diff] [blame] | 2020 | u8 core_11b_ready(void) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2021 | { |
Chaehyun Lim | fbc2fe1 | 2015-09-15 14:06:16 +0900 | [diff] [blame^] | 2022 | u32 reg_val; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2023 | |
| 2024 | acquire_bus(ACQUIRE_ONLY); |
| 2025 | g_wlan.hif_func.hif_write_reg(0x16082c, 1); |
| 2026 | g_wlan.hif_func.hif_write_reg(0x161600, 0x90); |
| 2027 | g_wlan.hif_func.hif_read_reg(0x161600, ®_val); |
| 2028 | release_bus(RELEASE_ONLY); |
| 2029 | |
| 2030 | if (reg_val == 0x90) |
| 2031 | return 0; |
| 2032 | else |
| 2033 | return 1; |
| 2034 | } |
| 2035 | #endif |
| 2036 | |
| 2037 | int wilc_wlan_init(wilc_wlan_inp_t *inp, wilc_wlan_oup_t *oup) |
| 2038 | { |
| 2039 | |
| 2040 | int ret = 0; |
| 2041 | |
| 2042 | PRINT_D(INIT_DBG, "Initializing WILC_Wlan ...\n"); |
| 2043 | |
| 2044 | memset((void *)&g_wlan, 0, sizeof(wilc_wlan_dev_t)); |
| 2045 | |
| 2046 | /** |
| 2047 | * store the input |
| 2048 | **/ |
| 2049 | memcpy((void *)&g_wlan.os_func, (void *)&inp->os_func, sizeof(wilc_wlan_os_func_t)); |
| 2050 | memcpy((void *)&g_wlan.io_func, (void *)&inp->io_func, sizeof(wilc_wlan_io_func_t)); |
| 2051 | memcpy((void *)&g_wlan.net_func, (void *)&inp->net_func, sizeof(wilc_wlan_net_func_t)); |
| 2052 | memcpy((void *)&g_wlan.indicate_func, (void *)&inp->indicate_func, sizeof(wilc_wlan_net_func_t)); |
| 2053 | g_wlan.hif_lock = inp->os_context.hif_critical_section; |
| 2054 | g_wlan.txq_lock = inp->os_context.txq_critical_section; |
| 2055 | |
| 2056 | /*Added by Amr - BugID_4720*/ |
| 2057 | g_wlan.txq_add_to_head_lock = inp->os_context.txq_add_to_head_critical_section; |
| 2058 | |
| 2059 | /*Added by Amr - BugID_4720*/ |
| 2060 | g_wlan.txq_spinlock = inp->os_context.txq_spin_lock; |
| 2061 | |
| 2062 | g_wlan.rxq_lock = inp->os_context.rxq_critical_section; |
| 2063 | g_wlan.txq_wait = inp->os_context.txq_wait_event; |
| 2064 | g_wlan.rxq_wait = inp->os_context.rxq_wait_event; |
| 2065 | g_wlan.cfg_wait = inp->os_context.cfg_wait_event; |
| 2066 | g_wlan.tx_buffer_size = inp->os_context.tx_buffer_size; |
| 2067 | #if defined (MEMORY_STATIC) |
| 2068 | g_wlan.rx_buffer_size = inp->os_context.rx_buffer_size; |
| 2069 | #endif |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2070 | /*** |
| 2071 | * host interface init |
| 2072 | **/ |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2073 | if ((inp->io_func.io_type & 0x1) == HIF_SDIO) { |
| 2074 | if (!hif_sdio.hif_init(inp, wilc_debug)) { |
| 2075 | /* EIO 5 */ |
| 2076 | ret = -5; |
| 2077 | goto _fail_; |
| 2078 | } |
| 2079 | memcpy((void *)&g_wlan.hif_func, &hif_sdio, sizeof(wilc_hif_func_t)); |
| 2080 | } else { |
| 2081 | if ((inp->io_func.io_type & 0x1) == HIF_SPI) { |
| 2082 | /** |
| 2083 | * TODO: |
| 2084 | **/ |
| 2085 | if (!hif_spi.hif_init(inp, wilc_debug)) { |
| 2086 | /* EIO 5 */ |
| 2087 | ret = -5; |
| 2088 | goto _fail_; |
| 2089 | } |
| 2090 | memcpy((void *)&g_wlan.hif_func, &hif_spi, sizeof(wilc_hif_func_t)); |
| 2091 | } else { |
| 2092 | /* EIO 5 */ |
| 2093 | ret = -5; |
| 2094 | goto _fail_; |
| 2095 | } |
| 2096 | } |
| 2097 | |
| 2098 | /*** |
| 2099 | * mac interface init |
| 2100 | **/ |
| 2101 | if (!mac_cfg.cfg_init(wilc_debug)) { |
| 2102 | /* ENOBUFS 105 */ |
| 2103 | ret = -105; |
| 2104 | goto _fail_; |
| 2105 | } |
| 2106 | memcpy((void *)&g_wlan.cif_func, &mac_cfg, sizeof(wilc_cfg_func_t)); |
| 2107 | |
| 2108 | |
| 2109 | /** |
| 2110 | * alloc tx, rx buffer |
| 2111 | **/ |
Greg Kroah-Hartman | b1413b6 | 2015-06-02 14:11:12 +0900 | [diff] [blame] | 2112 | if (g_wlan.tx_buffer == NULL) |
Greg Kroah-Hartman | f019b9d | 2015-09-03 18:50:27 -0700 | [diff] [blame] | 2113 | g_wlan.tx_buffer = kmalloc(g_wlan.tx_buffer_size, GFP_KERNEL); |
Arnd Bergmann | 7a8fd84 | 2015-06-01 21:06:45 +0200 | [diff] [blame] | 2114 | PRINT_D(TX_DBG, "g_wlan.tx_buffer = %p\n", g_wlan.tx_buffer); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2115 | |
Greg Kroah-Hartman | b1413b6 | 2015-06-02 14:11:12 +0900 | [diff] [blame] | 2116 | if (g_wlan.tx_buffer == NULL) { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2117 | /* ENOBUFS 105 */ |
| 2118 | ret = -105; |
| 2119 | PRINT_ER("Can't allocate Tx Buffer"); |
| 2120 | goto _fail_; |
| 2121 | } |
| 2122 | |
| 2123 | /* rx_buffer is not used unless we activate USE_MEM STATIC which is not applicable, allocating such memory is useless*/ |
| 2124 | #if defined (MEMORY_STATIC) |
Greg Kroah-Hartman | b1413b6 | 2015-06-02 14:11:12 +0900 | [diff] [blame] | 2125 | if (g_wlan.rx_buffer == NULL) |
Greg Kroah-Hartman | f019b9d | 2015-09-03 18:50:27 -0700 | [diff] [blame] | 2126 | g_wlan.rx_buffer = kmalloc(g_wlan.rx_buffer_size, GFP_KERNEL); |
Arnd Bergmann | 7a8fd84 | 2015-06-01 21:06:45 +0200 | [diff] [blame] | 2127 | PRINT_D(TX_DBG, "g_wlan.rx_buffer =%p\n", g_wlan.rx_buffer); |
Greg Kroah-Hartman | b1413b6 | 2015-06-02 14:11:12 +0900 | [diff] [blame] | 2128 | if (g_wlan.rx_buffer == NULL) { |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2129 | /* ENOBUFS 105 */ |
| 2130 | ret = -105; |
| 2131 | PRINT_ER("Can't allocate Rx Buffer"); |
| 2132 | goto _fail_; |
| 2133 | } |
| 2134 | #endif |
| 2135 | |
| 2136 | /** |
| 2137 | * export functions |
| 2138 | **/ |
| 2139 | oup->wlan_firmware_download = wilc_wlan_firmware_download; |
| 2140 | oup->wlan_start = wilc_wlan_start; |
| 2141 | oup->wlan_stop = wilc_wlan_stop; |
| 2142 | oup->wlan_add_to_tx_que = wilc_wlan_txq_add_net_pkt; |
| 2143 | oup->wlan_handle_tx_que = wilc_wlan_handle_txq; |
| 2144 | oup->wlan_handle_rx_que = wilc_wlan_handle_rxq; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2145 | oup->wlan_handle_rx_isr = wilc_handle_isr; |
| 2146 | oup->wlan_cleanup = wilc_wlan_cleanup; |
| 2147 | oup->wlan_cfg_set = wilc_wlan_cfg_set; |
| 2148 | oup->wlan_cfg_get = wilc_wlan_cfg_get; |
| 2149 | oup->wlan_cfg_get_value = wilc_wlan_cfg_get_val; |
| 2150 | |
| 2151 | /*Bug3959: transmitting mgmt frames received from host*/ |
| 2152 | #if defined(WILC_AP_EXTERNAL_MLME) || defined(WILC_P2P) |
| 2153 | oup->wlan_add_mgmt_to_tx_que = wilc_wlan_txq_add_mgmt_pkt; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2154 | #endif |
| 2155 | |
| 2156 | if (!init_chip()) { |
| 2157 | /* EIO 5 */ |
| 2158 | ret = -5; |
| 2159 | goto _fail_; |
| 2160 | } |
| 2161 | #ifdef TCP_ACK_FILTER |
| 2162 | Init_TCP_tracking(); |
| 2163 | #endif |
| 2164 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2165 | return 1; |
| 2166 | |
| 2167 | _fail_: |
| 2168 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2169 | #ifdef MEMORY_STATIC |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 2170 | kfree(g_wlan.rx_buffer); |
| 2171 | g_wlan.rx_buffer = NULL; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2172 | #endif |
Greg Kroah-Hartman | a18dd63 | 2015-09-03 19:04:19 -0700 | [diff] [blame] | 2173 | kfree(g_wlan.tx_buffer); |
| 2174 | g_wlan.tx_buffer = NULL; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2175 | |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2176 | return ret; |
| 2177 | |
| 2178 | } |
| 2179 | |
| 2180 | #define BIT31 (1 << 31) |
Dean Lee | 72ed4dc | 2015-06-12 14:11:44 +0900 | [diff] [blame] | 2181 | u16 Set_machw_change_vir_if(bool bValue) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2182 | { |
Chaehyun Lim | d85f532 | 2015-06-11 14:35:54 +0900 | [diff] [blame] | 2183 | u16 ret; |
Chaehyun Lim | 4e4467f | 2015-06-11 14:35:55 +0900 | [diff] [blame] | 2184 | u32 reg; |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2185 | |
| 2186 | /*Reset WILC_CHANGING_VIR_IF register to allow adding futrue keys to CE H/W*/ |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 2187 | mutex_lock((&g_wlan)->hif_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2188 | ret = (&g_wlan)->hif_func.hif_read_reg(WILC_CHANGING_VIR_IF, ®); |
| 2189 | if (!ret) { |
| 2190 | PRINT_ER("Error while Reading reg WILC_CHANGING_VIR_IF\n"); |
| 2191 | } |
| 2192 | |
Chandra S Gorentla | 78174ad | 2015-08-08 17:41:36 +0530 | [diff] [blame] | 2193 | if (bValue) |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2194 | reg |= (BIT31); |
Chandra S Gorentla | 78174ad | 2015-08-08 17:41:36 +0530 | [diff] [blame] | 2195 | else |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2196 | reg &= ~(BIT31); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2197 | |
| 2198 | ret = (&g_wlan)->hif_func.hif_write_reg(WILC_CHANGING_VIR_IF, reg); |
| 2199 | |
| 2200 | if (!ret) { |
| 2201 | PRINT_ER("Error while writing reg WILC_CHANGING_VIR_IF\n"); |
| 2202 | } |
Greg Kroah-Hartman | 5e150b5 | 2015-09-03 19:32:11 -0700 | [diff] [blame] | 2203 | mutex_unlock((&g_wlan)->hif_lock); |
Johnny Kim | c5c77ba | 2015-05-11 14:30:56 +0900 | [diff] [blame] | 2204 | |
| 2205 | return ret; |
| 2206 | } |