Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 2 | * Copyright (c) 2013-2016 The Linux Foundation. All rights reserved. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * DOC: wlan_hdd_ipa.c |
| 30 | * |
| 31 | * WLAN HDD and ipa interface implementation |
| 32 | * Originally written by Qualcomm Atheros, Inc |
| 33 | */ |
| 34 | |
| 35 | #ifdef IPA_OFFLOAD |
| 36 | |
| 37 | /* Include Files */ |
| 38 | #include <wlan_hdd_includes.h> |
| 39 | #include <wlan_hdd_ipa.h> |
| 40 | |
| 41 | #include <linux/etherdevice.h> |
| 42 | #include <linux/atomic.h> |
| 43 | #include <linux/netdevice.h> |
| 44 | #include <linux/skbuff.h> |
| 45 | #include <linux/list.h> |
| 46 | #include <linux/debugfs.h> |
| 47 | #include <linux/inetdevice.h> |
| 48 | #include <linux/ip.h> |
| 49 | #include <wlan_hdd_softap_tx_rx.h> |
| 50 | #include <ol_txrx_osif_api.h> |
| 51 | |
| 52 | #include "cds_sched.h" |
| 53 | |
| 54 | #include "wma.h" |
| 55 | #include "wma_api.h" |
| 56 | |
| 57 | #define HDD_IPA_DESC_BUFFER_RATIO 4 |
| 58 | #define HDD_IPA_IPV4_NAME_EXT "_ipv4" |
| 59 | #define HDD_IPA_IPV6_NAME_EXT "_ipv6" |
| 60 | |
| 61 | #define HDD_IPA_RX_INACTIVITY_MSEC_DELAY 1000 |
| 62 | #define HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET 12 |
| 63 | #define HDD_IPA_UC_WLAN_8023_HDR_SIZE 14 |
| 64 | /* WDI TX and RX PIPE */ |
| 65 | #define HDD_IPA_UC_NUM_WDI_PIPE 2 |
| 66 | #define HDD_IPA_UC_MAX_PENDING_EVENT 33 |
| 67 | |
| 68 | #define HDD_IPA_UC_DEBUG_DUMMY_MEM_SIZE 32000 |
| 69 | #define HDD_IPA_UC_RT_DEBUG_PERIOD 300 |
| 70 | #define HDD_IPA_UC_RT_DEBUG_BUF_COUNT 30 |
| 71 | #define HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL 10000 |
| 72 | |
| 73 | #define HDD_IPA_WLAN_HDR_DES_MAC_OFFSET 0 |
| 74 | #define HDD_IPA_MAX_IFACE 3 |
| 75 | #define HDD_IPA_MAX_SYSBAM_PIPE 4 |
| 76 | #define HDD_IPA_RX_PIPE HDD_IPA_MAX_IFACE |
| 77 | #define HDD_IPA_ENABLE_MASK BIT(0) |
| 78 | #define HDD_IPA_PRE_FILTER_ENABLE_MASK BIT(1) |
| 79 | #define HDD_IPA_IPV6_ENABLE_MASK BIT(2) |
| 80 | #define HDD_IPA_RM_ENABLE_MASK BIT(3) |
| 81 | #define HDD_IPA_CLK_SCALING_ENABLE_MASK BIT(4) |
| 82 | #define HDD_IPA_UC_ENABLE_MASK BIT(5) |
| 83 | #define HDD_IPA_UC_STA_ENABLE_MASK BIT(6) |
| 84 | #define HDD_IPA_REAL_TIME_DEBUGGING BIT(8) |
| 85 | |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 86 | #define HDD_IPA_MAX_PENDING_EVENT_COUNT 20 |
| 87 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 88 | typedef enum { |
| 89 | HDD_IPA_UC_OPCODE_TX_SUSPEND = 0, |
| 90 | HDD_IPA_UC_OPCODE_TX_RESUME = 1, |
| 91 | HDD_IPA_UC_OPCODE_RX_SUSPEND = 2, |
| 92 | HDD_IPA_UC_OPCODE_RX_RESUME = 3, |
| 93 | HDD_IPA_UC_OPCODE_STATS = 4, |
| 94 | /* keep this last */ |
| 95 | HDD_IPA_UC_OPCODE_MAX |
| 96 | } hdd_ipa_uc_op_code; |
| 97 | |
| 98 | /** |
| 99 | * enum - Reason codes for stat query |
| 100 | * |
| 101 | * @HDD_IPA_UC_STAT_REASON_NONE: Initial value |
| 102 | * @HDD_IPA_UC_STAT_REASON_DEBUG: For debug/info |
| 103 | * @HDD_IPA_UC_STAT_REASON_BW_CAL: For bandwidth calibration |
| 104 | */ |
| 105 | enum { |
| 106 | HDD_IPA_UC_STAT_REASON_NONE, |
| 107 | HDD_IPA_UC_STAT_REASON_DEBUG, |
| 108 | HDD_IPA_UC_STAT_REASON_BW_CAL |
| 109 | }; |
| 110 | |
| 111 | /** |
| 112 | * enum hdd_ipa_rm_state - IPA resource manager state |
| 113 | * @HDD_IPA_RM_RELEASED: PROD pipe resource released |
| 114 | * @HDD_IPA_RM_GRANT_PENDING: PROD pipe resource requested but not granted yet |
| 115 | * @HDD_IPA_RM_GRANTED: PROD pipe resource granted |
| 116 | */ |
| 117 | enum hdd_ipa_rm_state { |
| 118 | HDD_IPA_RM_RELEASED, |
| 119 | HDD_IPA_RM_GRANT_PENDING, |
| 120 | HDD_IPA_RM_GRANTED, |
| 121 | }; |
| 122 | |
| 123 | struct llc_snap_hdr { |
| 124 | uint8_t dsap; |
| 125 | uint8_t ssap; |
| 126 | uint8_t resv[4]; |
| 127 | __be16 eth_type; |
| 128 | } __packed; |
| 129 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 130 | /** |
| 131 | * struct hdd_ipa_tx_hdr - header type which IPA should handle to TX packet |
| 132 | * @eth: ether II header |
| 133 | * @llc_snap: LLC snap header |
| 134 | * |
| 135 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 136 | struct hdd_ipa_tx_hdr { |
| 137 | struct ethhdr eth; |
| 138 | struct llc_snap_hdr llc_snap; |
| 139 | } __packed; |
| 140 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 141 | /** |
| 142 | * struct frag_header - fragment header type registered to IPA hardware |
| 143 | * @length: fragment length |
| 144 | * @reserved1: Reserved not used |
| 145 | * @reserved2: Reserved not used |
| 146 | * |
| 147 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 148 | struct frag_header { |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 149 | uint16_t length; |
| 150 | uint32_t reserved1; |
| 151 | uint32_t reserved2; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 152 | } __packed; |
| 153 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 154 | /** |
| 155 | * struct ipa_header - ipa header type registered to IPA hardware |
| 156 | * @vdev_id: vdev id |
| 157 | * @reserved: Reserved not used |
| 158 | * |
| 159 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 160 | struct ipa_header { |
| 161 | uint32_t |
| 162 | vdev_id:8, /* vdev_id field is LSB of IPA DESC */ |
| 163 | reserved:24; |
| 164 | } __packed; |
| 165 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 166 | /** |
| 167 | * struct hdd_ipa_uc_tx_hdr - full tx header registered to IPA hardware |
| 168 | * @frag_hd: fragment header |
| 169 | * @ipa_hd: ipa header |
| 170 | * @eth: ether II header |
| 171 | * |
| 172 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 173 | struct hdd_ipa_uc_tx_hdr { |
| 174 | struct frag_header frag_hd; |
| 175 | struct ipa_header ipa_hd; |
| 176 | struct ethhdr eth; |
| 177 | } __packed; |
| 178 | |
| 179 | #define HDD_IPA_WLAN_FRAG_HEADER sizeof(struct frag_header) |
| 180 | #define HDD_IPA_WLAN_IPA_HEADER sizeof(struct frag_header) |
| 181 | |
| 182 | /** |
| 183 | * struct hdd_ipa_cld_hdr - IPA CLD Header |
| 184 | * @reserved: reserved fields |
| 185 | * @iface_id: interface ID |
| 186 | * @sta_id: Station ID |
| 187 | * |
| 188 | * Packed 32-bit structure |
| 189 | * +----------+----------+--------------+--------+ |
| 190 | * | Reserved | QCMAP ID | interface id | STA ID | |
| 191 | * +----------+----------+--------------+--------+ |
| 192 | */ |
| 193 | struct hdd_ipa_cld_hdr { |
| 194 | uint8_t reserved[2]; |
| 195 | uint8_t iface_id; |
| 196 | uint8_t sta_id; |
| 197 | } __packed; |
| 198 | |
| 199 | struct hdd_ipa_rx_hdr { |
| 200 | struct hdd_ipa_cld_hdr cld_hdr; |
| 201 | struct ethhdr eth; |
| 202 | } __packed; |
| 203 | |
| 204 | struct hdd_ipa_pm_tx_cb { |
| 205 | struct hdd_ipa_iface_context *iface_context; |
| 206 | struct ipa_rx_data *ipa_tx_desc; |
| 207 | }; |
| 208 | |
| 209 | struct hdd_ipa_uc_rx_hdr { |
| 210 | struct ethhdr eth; |
| 211 | } __packed; |
| 212 | |
| 213 | struct hdd_ipa_sys_pipe { |
| 214 | uint32_t conn_hdl; |
| 215 | uint8_t conn_hdl_valid; |
| 216 | struct ipa_sys_connect_params ipa_sys_params; |
| 217 | }; |
| 218 | |
| 219 | struct hdd_ipa_iface_stats { |
| 220 | uint64_t num_tx; |
| 221 | uint64_t num_tx_drop; |
| 222 | uint64_t num_tx_err; |
| 223 | uint64_t num_tx_cac_drop; |
| 224 | uint64_t num_rx_prefilter; |
| 225 | uint64_t num_rx_ipa_excep; |
| 226 | uint64_t num_rx_recv; |
| 227 | uint64_t num_rx_recv_mul; |
| 228 | uint64_t num_rx_send_desc_err; |
| 229 | uint64_t max_rx_mul; |
| 230 | }; |
| 231 | |
| 232 | struct hdd_ipa_priv; |
| 233 | |
| 234 | struct hdd_ipa_iface_context { |
| 235 | struct hdd_ipa_priv *hdd_ipa; |
| 236 | hdd_adapter_t *adapter; |
| 237 | void *tl_context; |
| 238 | |
| 239 | enum ipa_client_type cons_client; |
| 240 | enum ipa_client_type prod_client; |
| 241 | |
| 242 | uint8_t iface_id; /* This iface ID */ |
| 243 | uint8_t sta_id; /* This iface station ID */ |
| 244 | cdf_spinlock_t interface_lock; |
| 245 | uint32_t ifa_address; |
| 246 | struct hdd_ipa_iface_stats stats; |
| 247 | }; |
| 248 | |
| 249 | struct hdd_ipa_stats { |
| 250 | uint32_t event[IPA_WLAN_EVENT_MAX]; |
| 251 | uint64_t num_send_msg; |
| 252 | uint64_t num_free_msg; |
| 253 | |
| 254 | uint64_t num_rm_grant; |
| 255 | uint64_t num_rm_release; |
| 256 | uint64_t num_rm_grant_imm; |
| 257 | uint64_t num_cons_perf_req; |
| 258 | uint64_t num_prod_perf_req; |
| 259 | |
| 260 | uint64_t num_rx_drop; |
| 261 | uint64_t num_rx_ipa_tx_dp; |
| 262 | uint64_t num_rx_ipa_splice; |
| 263 | uint64_t num_rx_ipa_loop; |
| 264 | uint64_t num_rx_ipa_tx_dp_err; |
| 265 | uint64_t num_rx_ipa_write_done; |
| 266 | uint64_t num_max_ipa_tx_mul; |
| 267 | uint64_t num_rx_ipa_hw_maxed_out; |
| 268 | uint64_t max_pend_q_cnt; |
| 269 | |
| 270 | uint64_t num_tx_comp_cnt; |
| 271 | uint64_t num_tx_queued; |
| 272 | uint64_t num_tx_dequeued; |
| 273 | uint64_t num_max_pm_queue; |
| 274 | |
| 275 | uint64_t num_freeq_empty; |
| 276 | uint64_t num_pri_freeq_empty; |
| 277 | uint64_t num_rx_excep; |
| 278 | uint64_t num_tx_bcmc; |
| 279 | uint64_t num_tx_bcmc_err; |
| 280 | }; |
| 281 | |
| 282 | struct ipa_uc_stas_map { |
| 283 | bool is_reserved; |
| 284 | uint8_t sta_id; |
| 285 | }; |
| 286 | struct op_msg_type { |
| 287 | uint8_t msg_t; |
| 288 | uint8_t rsvd; |
| 289 | uint16_t op_code; |
| 290 | uint16_t len; |
| 291 | uint16_t rsvd_snd; |
| 292 | }; |
| 293 | |
| 294 | struct ipa_uc_fw_stats { |
| 295 | uint32_t tx_comp_ring_base; |
| 296 | uint32_t tx_comp_ring_size; |
| 297 | uint32_t tx_comp_ring_dbell_addr; |
| 298 | uint32_t tx_comp_ring_dbell_ind_val; |
| 299 | uint32_t tx_comp_ring_dbell_cached_val; |
| 300 | uint32_t tx_pkts_enqueued; |
| 301 | uint32_t tx_pkts_completed; |
| 302 | uint32_t tx_is_suspend; |
| 303 | uint32_t tx_reserved; |
| 304 | uint32_t rx_ind_ring_base; |
| 305 | uint32_t rx_ind_ring_size; |
| 306 | uint32_t rx_ind_ring_dbell_addr; |
| 307 | uint32_t rx_ind_ring_dbell_ind_val; |
| 308 | uint32_t rx_ind_ring_dbell_ind_cached_val; |
| 309 | uint32_t rx_ind_ring_rdidx_addr; |
| 310 | uint32_t rx_ind_ring_rd_idx_cached_val; |
| 311 | uint32_t rx_refill_idx; |
| 312 | uint32_t rx_num_pkts_indicated; |
| 313 | uint32_t rx_buf_refilled; |
| 314 | uint32_t rx_num_ind_drop_no_space; |
| 315 | uint32_t rx_num_ind_drop_no_buf; |
| 316 | uint32_t rx_is_suspend; |
| 317 | uint32_t rx_reserved; |
| 318 | }; |
| 319 | |
| 320 | struct ipa_uc_pending_event { |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 321 | qdf_list_node_t node; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 322 | hdd_adapter_t *adapter; |
| 323 | enum ipa_wlan_event type; |
| 324 | uint8_t sta_id; |
| 325 | uint8_t mac_addr[CDF_MAC_ADDR_SIZE]; |
| 326 | }; |
| 327 | |
| 328 | /** |
| 329 | * struct uc_rm_work_struct |
| 330 | * @work: uC RM work |
| 331 | * @event: IPA RM event |
| 332 | */ |
| 333 | struct uc_rm_work_struct { |
| 334 | struct work_struct work; |
| 335 | enum ipa_rm_event event; |
| 336 | }; |
| 337 | |
| 338 | /** |
| 339 | * struct uc_op_work_struct |
| 340 | * @work: uC OP work |
| 341 | * @msg: OP message |
| 342 | */ |
| 343 | struct uc_op_work_struct { |
| 344 | struct work_struct work; |
| 345 | struct op_msg_type *msg; |
| 346 | }; |
| 347 | static uint8_t vdev_to_iface[CSR_ROAM_SESSION_MAX]; |
| 348 | |
| 349 | /** |
| 350 | * struct uc_rt_debug_info |
| 351 | * @time: system time |
| 352 | * @ipa_excep_count: IPA exception packet count |
| 353 | * @rx_drop_count: IPA Rx drop packet count |
| 354 | * @net_sent_count: IPA Rx packet sent to network stack count |
| 355 | * @rx_discard_count: IPA Rx discard packet count |
| 356 | * @rx_mcbc_count: IPA Rx BCMC packet count |
| 357 | * @tx_mcbc_count: IPA Tx BCMC packet countt |
| 358 | * @tx_fwd_count: IPA Tx forward packet count |
| 359 | * @rx_destructor_call: IPA Rx packet destructor count |
| 360 | */ |
| 361 | struct uc_rt_debug_info { |
| 362 | v_TIME_t time; |
| 363 | uint64_t ipa_excep_count; |
| 364 | uint64_t rx_drop_count; |
| 365 | uint64_t net_sent_count; |
| 366 | uint64_t rx_discard_count; |
| 367 | uint64_t rx_mcbc_count; |
| 368 | uint64_t tx_mcbc_count; |
| 369 | uint64_t tx_fwd_count; |
| 370 | uint64_t rx_destructor_call; |
| 371 | }; |
| 372 | |
| 373 | struct hdd_ipa_priv { |
| 374 | struct hdd_ipa_sys_pipe sys_pipe[HDD_IPA_MAX_SYSBAM_PIPE]; |
| 375 | struct hdd_ipa_iface_context iface_context[HDD_IPA_MAX_IFACE]; |
| 376 | uint8_t num_iface; |
| 377 | enum hdd_ipa_rm_state rm_state; |
| 378 | /* |
| 379 | * IPA driver can send RM notifications with IRQ disabled so using cdf |
| 380 | * APIs as it is taken care gracefully. Without this, kernel would throw |
| 381 | * an warning if spin_lock_bh is used while IRQ is disabled |
| 382 | */ |
| 383 | cdf_spinlock_t rm_lock; |
| 384 | struct uc_rm_work_struct uc_rm_work; |
| 385 | struct uc_op_work_struct uc_op_work[HDD_IPA_UC_OPCODE_MAX]; |
| 386 | cdf_wake_lock_t wake_lock; |
| 387 | struct delayed_work wake_lock_work; |
| 388 | bool wake_lock_released; |
| 389 | |
| 390 | enum ipa_client_type prod_client; |
| 391 | |
| 392 | atomic_t tx_ref_cnt; |
| 393 | cdf_nbuf_queue_t pm_queue_head; |
| 394 | struct work_struct pm_work; |
| 395 | cdf_spinlock_t pm_lock; |
| 396 | bool suspended; |
| 397 | |
| 398 | uint32_t pending_hw_desc_cnt; |
| 399 | uint32_t hw_desc_cnt; |
| 400 | spinlock_t q_lock; |
| 401 | uint32_t freeq_cnt; |
| 402 | struct list_head free_desc_head; |
| 403 | |
| 404 | uint32_t pend_q_cnt; |
| 405 | struct list_head pend_desc_head; |
| 406 | |
| 407 | hdd_context_t *hdd_ctx; |
| 408 | |
| 409 | struct dentry *debugfs_dir; |
| 410 | struct hdd_ipa_stats stats; |
| 411 | |
| 412 | struct notifier_block ipv4_notifier; |
| 413 | uint32_t curr_prod_bw; |
| 414 | uint32_t curr_cons_bw; |
| 415 | |
| 416 | uint8_t activated_fw_pipe; |
| 417 | uint8_t sap_num_connected_sta; |
| 418 | uint8_t sta_connected; |
| 419 | uint32_t tx_pipe_handle; |
| 420 | uint32_t rx_pipe_handle; |
| 421 | bool resource_loading; |
| 422 | bool resource_unloading; |
| 423 | bool pending_cons_req; |
| 424 | struct ipa_uc_stas_map assoc_stas_map[WLAN_MAX_STA_COUNT]; |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 425 | qdf_list_t pending_event; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 426 | cdf_mutex_t event_lock; |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 427 | bool ipa_pipes_down; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 428 | uint32_t ipa_tx_packets_diff; |
| 429 | uint32_t ipa_rx_packets_diff; |
| 430 | uint32_t ipa_p_tx_packets; |
| 431 | uint32_t ipa_p_rx_packets; |
| 432 | uint32_t stat_req_reason; |
| 433 | uint64_t ipa_tx_forward; |
| 434 | uint64_t ipa_rx_discard; |
| 435 | uint64_t ipa_rx_net_send_count; |
| 436 | uint64_t ipa_rx_internel_drop_count; |
| 437 | uint64_t ipa_rx_destructor_count; |
| 438 | cdf_mc_timer_t rt_debug_timer; |
| 439 | struct uc_rt_debug_info rt_bug_buffer[HDD_IPA_UC_RT_DEBUG_BUF_COUNT]; |
| 440 | unsigned int rt_buf_fill_index; |
| 441 | cdf_mc_timer_t rt_debug_fill_timer; |
| 442 | cdf_mutex_t rt_debug_lock; |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 443 | cdf_mutex_t ipa_lock; |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 444 | |
| 445 | /* CE resources */ |
| 446 | cdf_dma_addr_t ce_sr_base_paddr; |
| 447 | uint32_t ce_sr_ring_size; |
| 448 | cdf_dma_addr_t ce_reg_paddr; |
| 449 | |
| 450 | /* WLAN TX:IPA->WLAN */ |
| 451 | cdf_dma_addr_t tx_comp_ring_base_paddr; |
| 452 | uint32_t tx_comp_ring_size; |
| 453 | uint32_t tx_num_alloc_buffer; |
| 454 | |
| 455 | /* WLAN RX:WLAN->IPA */ |
| 456 | cdf_dma_addr_t rx_rdy_ring_base_paddr; |
| 457 | uint32_t rx_rdy_ring_size; |
| 458 | cdf_dma_addr_t rx_proc_done_idx_paddr; |
| 459 | void *rx_proc_done_idx_vaddr; |
| 460 | |
| 461 | /* WLAN RX2:WLAN->IPA */ |
| 462 | cdf_dma_addr_t rx2_rdy_ring_base_paddr; |
| 463 | uint32_t rx2_rdy_ring_size; |
| 464 | cdf_dma_addr_t rx2_proc_done_idx_paddr; |
| 465 | void *rx2_proc_done_idx_vaddr; |
| 466 | |
| 467 | /* IPA UC doorbell registers paddr */ |
| 468 | cdf_dma_addr_t tx_comp_doorbell_paddr; |
| 469 | cdf_dma_addr_t rx_ready_doorbell_paddr; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 470 | }; |
| 471 | |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 472 | /** |
| 473 | * FIXME: The following conversion routines will are just stubs. |
| 474 | * They will be implemented fully by another update. |
| 475 | * The stubs will let the compile go ahead, and functionality |
| 476 | * is broken. |
| 477 | * This should be OK and IPA is not enabled yet |
| 478 | */ |
| 479 | void *wlan_hdd_stub_priv_to_addr(uint32_t priv) |
| 480 | { |
| 481 | void *vaddr; |
| 482 | uint32_t ipa_priv = priv; |
| 483 | |
| 484 | vaddr = &ipa_priv; /* just to use the var */ |
| 485 | vaddr = NULL; |
| 486 | return vaddr; |
| 487 | } |
| 488 | |
| 489 | uint32_t wlan_hdd_stub_addr_to_priv(void *ptr) |
| 490 | { |
| 491 | uint32_t ipa_priv = 0; |
| 492 | |
| 493 | BUG_ON(ptr == NULL); |
| 494 | return ipa_priv; |
| 495 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 496 | #define HDD_IPA_WLAN_CLD_HDR_LEN sizeof(struct hdd_ipa_cld_hdr) |
| 497 | #define HDD_IPA_UC_WLAN_CLD_HDR_LEN 0 |
| 498 | #define HDD_IPA_WLAN_TX_HDR_LEN sizeof(struct hdd_ipa_tx_hdr) |
| 499 | #define HDD_IPA_UC_WLAN_TX_HDR_LEN sizeof(struct hdd_ipa_uc_tx_hdr) |
| 500 | #define HDD_IPA_WLAN_RX_HDR_LEN sizeof(struct hdd_ipa_rx_hdr) |
| 501 | #define HDD_IPA_UC_WLAN_RX_HDR_LEN sizeof(struct hdd_ipa_uc_rx_hdr) |
| 502 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 503 | #define HDD_IPA_FW_RX_DESC_DISCARD_M 0x1 |
| 504 | #define HDD_IPA_FW_RX_DESC_FORWARD_M 0x2 |
| 505 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 506 | #define HDD_IPA_GET_IFACE_ID(_data) \ |
| 507 | (((struct hdd_ipa_cld_hdr *) (_data))->iface_id) |
| 508 | |
| 509 | #define HDD_IPA_LOG(LVL, fmt, args ...) \ |
| 510 | CDF_TRACE(CDF_MODULE_ID_HDD, LVL, \ |
| 511 | "%s:%d: "fmt, __func__, __LINE__, ## args) |
| 512 | |
| 513 | #define HDD_IPA_DBG_DUMP(_lvl, _prefix, _buf, _len) \ |
| 514 | do { \ |
| 515 | CDF_TRACE(CDF_MODULE_ID_HDD, _lvl, "%s:", _prefix); \ |
| 516 | CDF_TRACE_HEX_DUMP(CDF_MODULE_ID_HDD, _lvl, _buf, _len); \ |
| 517 | } while (0) |
| 518 | |
| 519 | #define HDD_IPA_IS_CONFIG_ENABLED(_hdd_ctx, _mask) \ |
| 520 | (((_hdd_ctx)->config->IpaConfig & (_mask)) == (_mask)) |
| 521 | |
| 522 | #define HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa) \ |
| 523 | do { \ |
| 524 | hdd_ipa->ipa_rx_internel_drop_count++; \ |
| 525 | } while (0) |
| 526 | #define HDD_IPA_INCREASE_NET_SEND_COUNT(hdd_ipa) \ |
| 527 | do { \ |
| 528 | hdd_ipa->ipa_rx_net_send_count++; \ |
| 529 | } while (0) |
| 530 | #define HDD_BW_GET_DIFF(_x, _y) (unsigned long)((ULONG_MAX - (_y)) + (_x) + 1) |
| 531 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 532 | /* Temporary macro to make a build without IPA V2 */ |
| 533 | #ifdef IPA_V2 |
| 534 | #define HDD_IPA_WDI2_SET(pipe_in, ipa_ctxt) \ |
| 535 | do { \ |
| 536 | pipe_in.u.ul.rdy_ring_rp_va = ipa_ctxt->rx_proc_done_idx_vaddr; \ |
| 537 | pipe_in.u.ul.rdy_comp_ring_base_pa = ipa_ctxt->rx2_rdy_ring_base_paddr;\ |
| 538 | pipe_in.u.ul.rdy_comp_ring_size = ipa_ctxt->rx2_rdy_ring_size; \ |
| 539 | pipe_in.u.ul.rdy_comp_ring_wp_pa = ipa_ctxt->rx2_proc_done_idx_paddr; \ |
| 540 | pipe_in.u.ul.rdy_comp_ring_wp_va = ipa_ctxt->rx2_proc_done_idx_vaddr; \ |
| 541 | } while (0) |
| 542 | #else |
| 543 | /* Do nothing */ |
| 544 | #define HDD_IPA_WDI2_SET(pipe_in, ipa_ctxt) |
| 545 | #endif /* IPA_V2 */ |
| 546 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 547 | static struct hdd_ipa_adapter_2_client { |
| 548 | enum ipa_client_type cons_client; |
| 549 | enum ipa_client_type prod_client; |
| 550 | } hdd_ipa_adapter_2_client[HDD_IPA_MAX_IFACE] = { |
| 551 | { |
| 552 | IPA_CLIENT_WLAN2_CONS, IPA_CLIENT_WLAN1_PROD |
| 553 | }, { |
| 554 | IPA_CLIENT_WLAN3_CONS, IPA_CLIENT_WLAN1_PROD |
| 555 | }, { |
| 556 | IPA_CLIENT_WLAN4_CONS, IPA_CLIENT_WLAN1_PROD |
| 557 | }, |
| 558 | }; |
| 559 | |
| 560 | /* For Tx pipes, use Ethernet-II Header format */ |
| 561 | struct hdd_ipa_uc_tx_hdr ipa_uc_tx_hdr = { |
| 562 | { |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 563 | 0x0000, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 564 | 0x00000000, |
| 565 | 0x00000000 |
| 566 | }, |
| 567 | { |
| 568 | 0x00000000 |
| 569 | }, |
| 570 | { |
| 571 | {0x00, 0x03, 0x7f, 0xaa, 0xbb, 0xcc}, |
| 572 | {0x00, 0x03, 0x7f, 0xdd, 0xee, 0xff}, |
| 573 | 0x0008 |
| 574 | } |
| 575 | }; |
| 576 | |
| 577 | /* For Tx pipes, use 802.3 Header format */ |
| 578 | static struct hdd_ipa_tx_hdr ipa_tx_hdr = { |
| 579 | { |
| 580 | {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFF}, |
| 581 | {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFF}, |
| 582 | 0x00 /* length can be zero */ |
| 583 | }, |
| 584 | { |
| 585 | /* LLC SNAP header 8 bytes */ |
| 586 | 0xaa, 0xaa, |
| 587 | {0x03, 0x00, 0x00, 0x00}, |
| 588 | 0x0008 /* type value(2 bytes) ,filled by wlan */ |
| 589 | /* 0x0800 - IPV4, 0x86dd - IPV6 */ |
| 590 | } |
| 591 | }; |
| 592 | |
| 593 | static const char *op_string[] = { |
| 594 | "TX_SUSPEND", |
| 595 | "TX_RESUME", |
| 596 | "RX_SUSPEND", |
| 597 | "RX_RESUME", |
| 598 | "STATS", |
| 599 | }; |
| 600 | |
| 601 | static struct hdd_ipa_priv *ghdd_ipa; |
| 602 | |
| 603 | /* Local Function Prototypes */ |
| 604 | static void hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
| 605 | unsigned long data); |
| 606 | static void hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
| 607 | unsigned long data); |
| 608 | |
| 609 | static void hdd_ipa_cleanup_iface(struct hdd_ipa_iface_context *iface_context); |
| 610 | |
| 611 | /** |
| 612 | * hdd_ipa_is_enabled() - Is IPA enabled? |
| 613 | * @hdd_ctx: Global HDD context |
| 614 | * |
| 615 | * Return: true if IPA is enabled, false otherwise |
| 616 | */ |
| 617 | bool hdd_ipa_is_enabled(hdd_context_t *hdd_ctx) |
| 618 | { |
| 619 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_ENABLE_MASK); |
| 620 | } |
| 621 | |
| 622 | /** |
| 623 | * hdd_ipa_uc_is_enabled() - Is IPA uC offload enabled? |
| 624 | * @hdd_ctx: Global HDD context |
| 625 | * |
| 626 | * Return: true if IPA uC offload is enabled, false otherwise |
| 627 | */ |
| 628 | bool hdd_ipa_uc_is_enabled(hdd_context_t *hdd_ctx) |
| 629 | { |
| 630 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_UC_ENABLE_MASK); |
| 631 | } |
| 632 | |
| 633 | /** |
| 634 | * hdd_ipa_uc_sta_is_enabled() - Is STA mode IPA uC offload enabled? |
| 635 | * @hdd_ctx: Global HDD context |
| 636 | * |
| 637 | * Return: true if STA mode IPA uC offload is enabled, false otherwise |
| 638 | */ |
| 639 | static inline bool hdd_ipa_uc_sta_is_enabled(hdd_context_t *hdd_ctx) |
| 640 | { |
| 641 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_UC_STA_ENABLE_MASK); |
| 642 | } |
| 643 | |
| 644 | /** |
| 645 | * hdd_ipa_is_pre_filter_enabled() - Is IPA pre-filter enabled? |
| 646 | * @hdd_ipa: Global HDD IPA context |
| 647 | * |
| 648 | * Return: true if pre-filter is enabled, otherwise false |
| 649 | */ |
| 650 | static inline bool hdd_ipa_is_pre_filter_enabled(hdd_context_t *hdd_ctx) |
| 651 | { |
| 652 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, |
| 653 | HDD_IPA_PRE_FILTER_ENABLE_MASK); |
| 654 | } |
| 655 | |
| 656 | /** |
| 657 | * hdd_ipa_is_ipv6_enabled() - Is IPA IPv6 enabled? |
| 658 | * @hdd_ipa: Global HDD IPA context |
| 659 | * |
| 660 | * Return: true if IPv6 is enabled, otherwise false |
| 661 | */ |
| 662 | static inline bool hdd_ipa_is_ipv6_enabled(hdd_context_t *hdd_ctx) |
| 663 | { |
| 664 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_IPV6_ENABLE_MASK); |
| 665 | } |
| 666 | |
| 667 | /** |
| 668 | * hdd_ipa_is_rm_enabled() - Is IPA resource manager enabled? |
| 669 | * @hdd_ipa: Global HDD IPA context |
| 670 | * |
| 671 | * Return: true if resource manager is enabled, otherwise false |
| 672 | */ |
| 673 | static inline bool hdd_ipa_is_rm_enabled(hdd_context_t *hdd_ctx) |
| 674 | { |
| 675 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_RM_ENABLE_MASK); |
| 676 | } |
| 677 | |
| 678 | /** |
| 679 | * hdd_ipa_is_rt_debugging_enabled() - Is IPA real-time debug enabled? |
| 680 | * @hdd_ipa: Global HDD IPA context |
| 681 | * |
| 682 | * Return: true if resource manager is enabled, otherwise false |
| 683 | */ |
| 684 | static inline bool hdd_ipa_is_rt_debugging_enabled(hdd_context_t *hdd_ctx) |
| 685 | { |
| 686 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_REAL_TIME_DEBUGGING); |
| 687 | } |
| 688 | |
| 689 | /** |
| 690 | * hdd_ipa_is_clk_scaling_enabled() - Is IPA clock scaling enabled? |
| 691 | * @hdd_ipa: Global HDD IPA context |
| 692 | * |
| 693 | * Return: true if clock scaling is enabled, otherwise false |
| 694 | */ |
| 695 | static inline bool hdd_ipa_is_clk_scaling_enabled(hdd_context_t *hdd_ctx) |
| 696 | { |
| 697 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, |
| 698 | HDD_IPA_CLK_SCALING_ENABLE_MASK | |
| 699 | HDD_IPA_RM_ENABLE_MASK); |
| 700 | } |
| 701 | |
| 702 | /** |
| 703 | * hdd_ipa_uc_rt_debug_host_fill - fill rt debug buffer |
| 704 | * @ctext: pointer to hdd context. |
| 705 | * |
| 706 | * If rt debug enabled, periodically called, and fill debug buffer |
| 707 | * |
| 708 | * Return: none |
| 709 | */ |
| 710 | static void hdd_ipa_uc_rt_debug_host_fill(void *ctext) |
| 711 | { |
| 712 | hdd_context_t *hdd_ctx = (hdd_context_t *)ctext; |
| 713 | struct hdd_ipa_priv *hdd_ipa; |
| 714 | struct uc_rt_debug_info *dump_info = NULL; |
| 715 | |
| 716 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 717 | return; |
| 718 | |
| 719 | if (!hdd_ctx->hdd_ipa || !hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| 720 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 721 | "%s: IPA UC is not enabled", __func__); |
| 722 | return; |
| 723 | } |
| 724 | |
| 725 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 726 | |
| 727 | cdf_mutex_acquire(&hdd_ipa->rt_debug_lock); |
| 728 | dump_info = &hdd_ipa->rt_bug_buffer[ |
| 729 | hdd_ipa->rt_buf_fill_index % HDD_IPA_UC_RT_DEBUG_BUF_COUNT]; |
| 730 | |
| 731 | dump_info->time = cdf_mc_timer_get_system_time(); |
| 732 | dump_info->ipa_excep_count = hdd_ipa->stats.num_rx_excep; |
| 733 | dump_info->rx_drop_count = hdd_ipa->ipa_rx_internel_drop_count; |
| 734 | dump_info->net_sent_count = hdd_ipa->ipa_rx_net_send_count; |
| 735 | dump_info->rx_discard_count = hdd_ipa->ipa_rx_discard; |
| 736 | dump_info->tx_mcbc_count = hdd_ipa->stats.num_tx_bcmc; |
| 737 | dump_info->tx_fwd_count = hdd_ipa->ipa_tx_forward; |
| 738 | dump_info->rx_destructor_call = hdd_ipa->ipa_rx_destructor_count; |
| 739 | hdd_ipa->rt_buf_fill_index++; |
| 740 | cdf_mutex_release(&hdd_ipa->rt_debug_lock); |
| 741 | |
| 742 | cdf_mc_timer_start(&hdd_ipa->rt_debug_fill_timer, |
| 743 | HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL); |
| 744 | } |
| 745 | |
| 746 | /** |
| 747 | * hdd_ipa_uc_rt_debug_host_dump - dump rt debug buffer |
| 748 | * @hdd_ctx: pointer to hdd context. |
| 749 | * |
| 750 | * If rt debug enabled, dump debug buffer contents based on requirement |
| 751 | * |
| 752 | * Return: none |
| 753 | */ |
| 754 | void hdd_ipa_uc_rt_debug_host_dump(hdd_context_t *hdd_ctx) |
| 755 | { |
| 756 | struct hdd_ipa_priv *hdd_ipa; |
| 757 | unsigned int dump_count; |
| 758 | unsigned int dump_index; |
| 759 | struct uc_rt_debug_info *dump_info = NULL; |
| 760 | |
| 761 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 762 | return; |
| 763 | |
| 764 | hdd_ipa = hdd_ctx->hdd_ipa; |
| 765 | if (!hdd_ipa || !hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| 766 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 767 | "%s: IPA UC is not enabled", __func__); |
| 768 | return; |
| 769 | } |
| 770 | |
| 771 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 772 | "========= WLAN-IPA DEBUG BUF DUMP ==========\n"); |
| 773 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 774 | " TM : EXEP : DROP : NETS : MCBC : TXFD : DSTR : DSCD\n"); |
| 775 | |
| 776 | cdf_mutex_acquire(&hdd_ipa->rt_debug_lock); |
| 777 | for (dump_count = 0; |
| 778 | dump_count < HDD_IPA_UC_RT_DEBUG_BUF_COUNT; |
| 779 | dump_count++) { |
| 780 | dump_index = (hdd_ipa->rt_buf_fill_index + dump_count) % |
| 781 | HDD_IPA_UC_RT_DEBUG_BUF_COUNT; |
| 782 | dump_info = &hdd_ipa->rt_bug_buffer[dump_index]; |
| 783 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 784 | "%12lu:%10llu:%10llu:%10llu:%10llu:%10llu:%10llu:%10llu\n", |
| 785 | dump_info->time, dump_info->ipa_excep_count, |
| 786 | dump_info->rx_drop_count, dump_info->net_sent_count, |
| 787 | dump_info->tx_mcbc_count, dump_info->tx_fwd_count, |
| 788 | dump_info->rx_destructor_call, |
| 789 | dump_info->rx_discard_count); |
| 790 | } |
| 791 | cdf_mutex_release(&hdd_ipa->rt_debug_lock); |
| 792 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 793 | "======= WLAN-IPA DEBUG BUF DUMP END ========\n"); |
| 794 | } |
| 795 | |
| 796 | /** |
| 797 | * hdd_ipa_uc_rt_debug_handler - periodic memory health monitor handler |
| 798 | * @ctext: pointer to hdd context. |
| 799 | * |
| 800 | * periodically called by timer expire |
| 801 | * will try to alloc dummy memory and detect out of memory condition |
| 802 | * if out of memory detected, dump wlan-ipa stats |
| 803 | * |
| 804 | * Return: none |
| 805 | */ |
| 806 | static void hdd_ipa_uc_rt_debug_handler(void *ctext) |
| 807 | { |
| 808 | hdd_context_t *hdd_ctx = (hdd_context_t *)ctext; |
| 809 | struct hdd_ipa_priv *hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 810 | void *dummy_ptr = NULL; |
| 811 | |
| 812 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 813 | return; |
| 814 | |
| 815 | if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
| 816 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 817 | "%s: IPA RT debug is not enabled", __func__); |
| 818 | return; |
| 819 | } |
| 820 | |
| 821 | /* Allocate dummy buffer periodically and free immediately. this will |
| 822 | * proactively detect OOM and if allocation fails dump ipa stats |
| 823 | */ |
| 824 | dummy_ptr = kmalloc(HDD_IPA_UC_DEBUG_DUMMY_MEM_SIZE, |
| 825 | GFP_KERNEL | GFP_ATOMIC); |
| 826 | if (!dummy_ptr) { |
| 827 | HDD_IPA_LOG(CDF_TRACE_LEVEL_FATAL, |
| 828 | "%s: Dummy alloc fail", __func__); |
| 829 | hdd_ipa_uc_rt_debug_host_dump(hdd_ctx); |
| 830 | hdd_ipa_uc_stat_request( |
| 831 | hdd_get_adapter(hdd_ctx, WLAN_HDD_SOFTAP), 1); |
| 832 | } else { |
| 833 | kfree(dummy_ptr); |
| 834 | } |
| 835 | |
| 836 | cdf_mc_timer_start(&hdd_ipa->rt_debug_timer, |
| 837 | HDD_IPA_UC_RT_DEBUG_PERIOD); |
| 838 | } |
| 839 | |
| 840 | /** |
| 841 | * hdd_ipa_uc_rt_debug_destructor - called by data packet free |
| 842 | * @skb: packet pinter |
| 843 | * |
| 844 | * when free data packet, will be invoked by wlan client and will increase |
| 845 | * free counter |
| 846 | * |
| 847 | * Return: none |
| 848 | */ |
| 849 | void hdd_ipa_uc_rt_debug_destructor(struct sk_buff *skb) |
| 850 | { |
| 851 | if (!ghdd_ipa) { |
| 852 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 853 | "%s: invalid hdd context", __func__); |
| 854 | return; |
| 855 | } |
| 856 | |
| 857 | ghdd_ipa->ipa_rx_destructor_count++; |
| 858 | } |
| 859 | |
| 860 | /** |
| 861 | * hdd_ipa_uc_rt_debug_deinit - remove resources to handle rt debugging |
| 862 | * @hdd_ctx: hdd main context |
| 863 | * |
| 864 | * free all rt debugging resources |
| 865 | * |
| 866 | * Return: none |
| 867 | */ |
| 868 | static void hdd_ipa_uc_rt_debug_deinit(hdd_context_t *hdd_ctx) |
| 869 | { |
| 870 | struct hdd_ipa_priv *hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 871 | |
| 872 | if (CDF_TIMER_STATE_STOPPED != |
| 873 | cdf_mc_timer_get_current_state(&hdd_ipa->rt_debug_fill_timer)) { |
| 874 | cdf_mc_timer_stop(&hdd_ipa->rt_debug_fill_timer); |
| 875 | } |
| 876 | cdf_mc_timer_destroy(&hdd_ipa->rt_debug_fill_timer); |
| 877 | cdf_mutex_destroy(&hdd_ipa->rt_debug_lock); |
| 878 | |
| 879 | if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
| 880 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 881 | "%s: IPA RT debug is not enabled", __func__); |
| 882 | return; |
| 883 | } |
| 884 | |
| 885 | if (CDF_TIMER_STATE_STOPPED != |
| 886 | cdf_mc_timer_get_current_state(&hdd_ipa->rt_debug_timer)) { |
| 887 | cdf_mc_timer_stop(&hdd_ipa->rt_debug_timer); |
| 888 | } |
| 889 | cdf_mc_timer_destroy(&hdd_ipa->rt_debug_timer); |
| 890 | } |
| 891 | |
| 892 | /** |
| 893 | * hdd_ipa_uc_rt_debug_init - intialize resources to handle rt debugging |
| 894 | * @hdd_ctx: hdd main context |
| 895 | * |
| 896 | * alloc and initialize all rt debugging resources |
| 897 | * |
| 898 | * Return: none |
| 899 | */ |
| 900 | static void hdd_ipa_uc_rt_debug_init(hdd_context_t *hdd_ctx) |
| 901 | { |
| 902 | struct hdd_ipa_priv *hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 903 | |
| 904 | cdf_mutex_init(&hdd_ipa->rt_debug_lock); |
| 905 | cdf_mc_timer_init(&hdd_ipa->rt_debug_fill_timer, CDF_TIMER_TYPE_SW, |
| 906 | hdd_ipa_uc_rt_debug_host_fill, (void *)hdd_ctx); |
| 907 | hdd_ipa->rt_buf_fill_index = 0; |
| 908 | cdf_mem_zero(hdd_ipa->rt_bug_buffer, |
| 909 | sizeof(struct uc_rt_debug_info) * |
| 910 | HDD_IPA_UC_RT_DEBUG_BUF_COUNT); |
| 911 | hdd_ipa->ipa_tx_forward = 0; |
| 912 | hdd_ipa->ipa_rx_discard = 0; |
| 913 | hdd_ipa->ipa_rx_net_send_count = 0; |
| 914 | hdd_ipa->ipa_rx_internel_drop_count = 0; |
| 915 | hdd_ipa->ipa_rx_destructor_count = 0; |
| 916 | |
| 917 | cdf_mc_timer_start(&hdd_ipa->rt_debug_fill_timer, |
| 918 | HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL); |
| 919 | |
| 920 | /* Reatime debug enable on feature enable */ |
| 921 | if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
| 922 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 923 | "%s: IPA RT debug is not enabled", __func__); |
| 924 | return; |
| 925 | } |
| 926 | cdf_mc_timer_init(&hdd_ipa->rt_debug_timer, CDF_TIMER_TYPE_SW, |
| 927 | hdd_ipa_uc_rt_debug_handler, (void *)hdd_ctx); |
| 928 | cdf_mc_timer_start(&hdd_ipa->rt_debug_timer, |
| 929 | HDD_IPA_UC_RT_DEBUG_PERIOD); |
| 930 | |
| 931 | } |
| 932 | |
| 933 | /** |
| 934 | * hdd_ipa_uc_stat_query() - Query the IPA stats |
| 935 | * @hdd_ctx: Global HDD context |
| 936 | * @ipa_tx_diff: tx packet count diff from previous |
| 937 | * tx packet count |
| 938 | * @ipa_rx_diff: rx packet count diff from previous |
| 939 | * rx packet count |
| 940 | * |
| 941 | * Return: true if IPA is enabled, false otherwise |
| 942 | */ |
| 943 | void hdd_ipa_uc_stat_query(hdd_context_t *pHddCtx, |
| 944 | uint32_t *ipa_tx_diff, uint32_t *ipa_rx_diff) |
| 945 | { |
| 946 | struct hdd_ipa_priv *hdd_ipa; |
| 947 | |
| 948 | hdd_ipa = (struct hdd_ipa_priv *)pHddCtx->hdd_ipa; |
| 949 | *ipa_tx_diff = 0; |
| 950 | *ipa_rx_diff = 0; |
| 951 | |
| 952 | if (!hdd_ipa_is_enabled(pHddCtx) || |
| 953 | !(hdd_ipa_uc_is_enabled(pHddCtx))) { |
| 954 | return; |
| 955 | } |
| 956 | |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 957 | cdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 958 | if ((HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) && |
| 959 | (false == hdd_ipa->resource_loading)) { |
| 960 | *ipa_tx_diff = hdd_ipa->ipa_tx_packets_diff; |
| 961 | *ipa_rx_diff = hdd_ipa->ipa_rx_packets_diff; |
| 962 | HDD_IPA_LOG(LOG1, "STAT Query TX DIFF %d, RX DIFF %d", |
| 963 | *ipa_tx_diff, *ipa_rx_diff); |
| 964 | } |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 965 | cdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 966 | return; |
| 967 | } |
| 968 | |
| 969 | /** |
| 970 | * hdd_ipa_uc_stat_request() - Get IPA stats from IPA. |
| 971 | * @adapter: network adapter |
| 972 | * @reason: STAT REQ Reason |
| 973 | * |
| 974 | * Return: None |
| 975 | */ |
| 976 | void hdd_ipa_uc_stat_request(hdd_adapter_t *adapter, uint8_t reason) |
| 977 | { |
| 978 | hdd_context_t *pHddCtx; |
| 979 | struct hdd_ipa_priv *hdd_ipa; |
| 980 | |
| 981 | if (!adapter) { |
| 982 | return; |
| 983 | } |
| 984 | |
| 985 | pHddCtx = (hdd_context_t *)adapter->pHddCtx; |
| 986 | hdd_ipa = (struct hdd_ipa_priv *)pHddCtx->hdd_ipa; |
| 987 | if (!hdd_ipa_is_enabled(pHddCtx) || |
| 988 | !(hdd_ipa_uc_is_enabled(pHddCtx))) { |
| 989 | return; |
| 990 | } |
| 991 | |
| 992 | HDD_IPA_LOG(LOG1, "STAT REQ Reason %d", reason); |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 993 | cdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 994 | if ((HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) && |
| 995 | (false == hdd_ipa->resource_loading)) { |
| 996 | hdd_ipa->stat_req_reason = reason; |
| 997 | wma_cli_set_command( |
| 998 | (int)adapter->sessionId, |
| 999 | (int)WMA_VDEV_TXRX_GET_IPA_UC_FW_STATS_CMDID, |
| 1000 | 0, VDEV_CMD); |
| 1001 | } |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1002 | cdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1003 | } |
| 1004 | |
| 1005 | /** |
| 1006 | * hdd_ipa_uc_find_add_assoc_sta() - Find associated station |
| 1007 | * @hdd_ipa: Global HDD IPA context |
| 1008 | * @sta_add: Should station be added |
| 1009 | * @sta_id: ID of the station being queried |
| 1010 | * |
| 1011 | * Return: true if the station was found |
| 1012 | */ |
| 1013 | static bool hdd_ipa_uc_find_add_assoc_sta(struct hdd_ipa_priv *hdd_ipa, |
| 1014 | bool sta_add, uint8_t sta_id) |
| 1015 | { |
| 1016 | bool sta_found = false; |
| 1017 | uint8_t idx; |
| 1018 | for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| 1019 | if ((hdd_ipa->assoc_stas_map[idx].is_reserved) && |
| 1020 | (hdd_ipa->assoc_stas_map[idx].sta_id == sta_id)) { |
| 1021 | sta_found = true; |
| 1022 | break; |
| 1023 | } |
| 1024 | } |
| 1025 | if (sta_add && sta_found) { |
| 1026 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1027 | "%s: STA ID %d already exist, cannot add", |
| 1028 | __func__, sta_id); |
| 1029 | return sta_found; |
| 1030 | } |
| 1031 | if (sta_add) { |
| 1032 | for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| 1033 | if (!hdd_ipa->assoc_stas_map[idx].is_reserved) { |
| 1034 | hdd_ipa->assoc_stas_map[idx].is_reserved = true; |
| 1035 | hdd_ipa->assoc_stas_map[idx].sta_id = sta_id; |
| 1036 | return sta_found; |
| 1037 | } |
| 1038 | } |
| 1039 | } |
| 1040 | if (!sta_add && !sta_found) { |
| 1041 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1042 | "%s: STA ID %d does not exist, cannot delete", |
| 1043 | __func__, sta_id); |
| 1044 | return sta_found; |
| 1045 | } |
| 1046 | if (!sta_add) { |
| 1047 | for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| 1048 | if ((hdd_ipa->assoc_stas_map[idx].is_reserved) && |
| 1049 | (hdd_ipa->assoc_stas_map[idx].sta_id == sta_id)) { |
| 1050 | hdd_ipa->assoc_stas_map[idx].is_reserved = |
| 1051 | false; |
| 1052 | hdd_ipa->assoc_stas_map[idx].sta_id = 0xFF; |
| 1053 | return sta_found; |
| 1054 | } |
| 1055 | } |
| 1056 | } |
| 1057 | return sta_found; |
| 1058 | } |
| 1059 | |
| 1060 | /** |
| 1061 | * hdd_ipa_uc_enable_pipes() - Enable IPA uC pipes |
| 1062 | * @hdd_ipa: Global HDD IPA context |
| 1063 | * |
| 1064 | * Return: 0 on success, negative errno if error |
| 1065 | */ |
| 1066 | static int hdd_ipa_uc_enable_pipes(struct hdd_ipa_priv *hdd_ipa) |
| 1067 | { |
| 1068 | int result; |
| 1069 | p_cds_contextType cds_ctx = hdd_ipa->hdd_ctx->pcds_context; |
| 1070 | |
| 1071 | /* ACTIVATE TX PIPE */ |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1072 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 1073 | "%s: Enable TX PIPE(tx_pipe_handle=%d)", |
| 1074 | __func__, hdd_ipa->tx_pipe_handle); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1075 | result = ipa_enable_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| 1076 | if (result) { |
| 1077 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1078 | "%s: Enable TX PIPE fail, code %d", |
| 1079 | __func__, result); |
| 1080 | return result; |
| 1081 | } |
| 1082 | result = ipa_resume_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| 1083 | if (result) { |
| 1084 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1085 | "%s: Resume TX PIPE fail, code %d", |
| 1086 | __func__, result); |
| 1087 | return result; |
| 1088 | } |
| 1089 | ol_txrx_ipa_uc_set_active(cds_ctx->pdev_txrx_ctx, true, true); |
| 1090 | |
| 1091 | /* ACTIVATE RX PIPE */ |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1092 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 1093 | "%s: Enable RX PIPE(rx_pipe_handle=%d)", |
| 1094 | __func__, hdd_ipa->rx_pipe_handle); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1095 | result = ipa_enable_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| 1096 | if (result) { |
| 1097 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1098 | "%s: Enable RX PIPE fail, code %d", |
| 1099 | __func__, result); |
| 1100 | return result; |
| 1101 | } |
| 1102 | result = ipa_resume_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| 1103 | if (result) { |
| 1104 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1105 | "%s: Resume RX PIPE fail, code %d", |
| 1106 | __func__, result); |
| 1107 | return result; |
| 1108 | } |
| 1109 | ol_txrx_ipa_uc_set_active(cds_ctx->pdev_txrx_ctx, true, false); |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1110 | hdd_ipa->ipa_pipes_down = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1111 | return 0; |
| 1112 | } |
| 1113 | |
| 1114 | /** |
| 1115 | * hdd_ipa_uc_disable_pipes() - Disable IPA uC pipes |
| 1116 | * @hdd_ipa: Global HDD IPA context |
| 1117 | * |
| 1118 | * Return: 0 on success, negative errno if error |
| 1119 | */ |
| 1120 | static int hdd_ipa_uc_disable_pipes(struct hdd_ipa_priv *hdd_ipa) |
| 1121 | { |
| 1122 | int result; |
| 1123 | |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1124 | hdd_ipa->ipa_pipes_down = true; |
| 1125 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1126 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: Disable RX PIPE", __func__); |
| 1127 | result = ipa_suspend_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| 1128 | if (result) { |
| 1129 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1130 | "%s: Suspend RX PIPE fail, code %d", |
| 1131 | __func__, result); |
| 1132 | return result; |
| 1133 | } |
| 1134 | result = ipa_disable_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| 1135 | if (result) { |
| 1136 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1137 | "%s: Disable RX PIPE fail, code %d", |
| 1138 | __func__, result); |
| 1139 | return result; |
| 1140 | } |
| 1141 | |
| 1142 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: Disable TX PIPE", __func__); |
| 1143 | result = ipa_suspend_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| 1144 | if (result) { |
| 1145 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1146 | "%s: Suspend TX PIPE fail, code %d", |
| 1147 | __func__, result); |
| 1148 | return result; |
| 1149 | } |
| 1150 | result = ipa_disable_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| 1151 | if (result) { |
| 1152 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1153 | "%s: Disable TX PIPE fail, code %d", |
| 1154 | __func__, result); |
| 1155 | return result; |
| 1156 | } |
| 1157 | |
| 1158 | return 0; |
| 1159 | } |
| 1160 | |
| 1161 | /** |
| 1162 | * hdd_ipa_uc_handle_first_con() - Handle first uC IPA connection |
| 1163 | * @hdd_ipa: Global HDD IPA context |
| 1164 | * |
| 1165 | * Return: 0 on success, negative errno if error |
| 1166 | */ |
| 1167 | static int hdd_ipa_uc_handle_first_con(struct hdd_ipa_priv *hdd_ipa) |
| 1168 | { |
| 1169 | hdd_ipa->activated_fw_pipe = 0; |
| 1170 | hdd_ipa->resource_loading = true; |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1171 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1172 | /* If RM feature enabled |
| 1173 | * Request PROD Resource first |
| 1174 | * PROD resource may return sync or async manners */ |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1175 | if (hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) { |
| 1176 | if (!ipa_rm_request_resource(IPA_RM_RESOURCE_WLAN_PROD)) { |
| 1177 | /* RM PROD request sync return |
| 1178 | * enable pipe immediately |
| 1179 | */ |
| 1180 | if (hdd_ipa_uc_enable_pipes(hdd_ipa)) { |
| 1181 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1182 | "%s: IPA WDI Pipe activation failed", |
| 1183 | __func__); |
| 1184 | hdd_ipa->resource_loading = false; |
| 1185 | return -EBUSY; |
| 1186 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1187 | } |
| 1188 | } else { |
| 1189 | /* RM Disabled |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1190 | * Just enabled all the PIPEs |
| 1191 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1192 | if (hdd_ipa_uc_enable_pipes(hdd_ipa)) { |
| 1193 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1194 | "%s: IPA WDI Pipe activation failed", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1195 | __func__); |
| 1196 | hdd_ipa->resource_loading = false; |
| 1197 | return -EBUSY; |
| 1198 | } |
| 1199 | hdd_ipa->resource_loading = false; |
| 1200 | } |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1201 | |
| 1202 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 1203 | "%s: IPA WDI Pipes activated successfully", __func__); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1204 | return 0; |
| 1205 | } |
| 1206 | |
| 1207 | /** |
| 1208 | * hdd_ipa_uc_handle_last_discon() - Handle last uC IPA disconnection |
| 1209 | * @hdd_ipa: Global HDD IPA context |
| 1210 | * |
| 1211 | * Return: None |
| 1212 | */ |
| 1213 | static void hdd_ipa_uc_handle_last_discon(struct hdd_ipa_priv *hdd_ipa) |
| 1214 | { |
| 1215 | p_cds_contextType cds_ctx = hdd_ipa->hdd_ctx->pcds_context; |
| 1216 | |
| 1217 | hdd_ipa->resource_unloading = true; |
| 1218 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: Disable FW RX PIPE", __func__); |
| 1219 | ol_txrx_ipa_uc_set_active(cds_ctx->pdev_txrx_ctx, false, false); |
| 1220 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: Disable FW TX PIPE", __func__); |
| 1221 | ol_txrx_ipa_uc_set_active(cds_ctx->pdev_txrx_ctx, false, true); |
| 1222 | } |
| 1223 | |
| 1224 | /** |
| 1225 | * hdd_ipa_uc_rm_notify_handler() - IPA uC resource notification handler |
| 1226 | * @context: User context registered with TL (the IPA Global context is |
| 1227 | * registered |
| 1228 | * @rxpkt: Packet containing the notification |
| 1229 | * @staid: ID of the station associated with the packet |
| 1230 | * |
| 1231 | * Return: None |
| 1232 | */ |
| 1233 | static void |
| 1234 | hdd_ipa_uc_rm_notify_handler(void *context, enum ipa_rm_event event) |
| 1235 | { |
| 1236 | struct hdd_ipa_priv *hdd_ipa = context; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1237 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1238 | |
| 1239 | /* |
| 1240 | * When SSR is going on or driver is unloading, just return. |
| 1241 | */ |
| 1242 | status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
| 1243 | if (0 != status) { |
| 1244 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "HDD context is not valid"); |
| 1245 | return; |
| 1246 | } |
| 1247 | |
| 1248 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 1249 | return; |
| 1250 | |
| 1251 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s, event code %d", |
| 1252 | __func__, event); |
| 1253 | |
| 1254 | switch (event) { |
| 1255 | case IPA_RM_RESOURCE_GRANTED: |
| 1256 | /* Differed RM Granted */ |
| 1257 | hdd_ipa_uc_enable_pipes(hdd_ipa); |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1258 | cdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1259 | if ((false == hdd_ipa->resource_unloading) && |
| 1260 | (!hdd_ipa->activated_fw_pipe)) { |
| 1261 | hdd_ipa_uc_enable_pipes(hdd_ipa); |
| 1262 | } |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1263 | cdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1264 | break; |
| 1265 | |
| 1266 | case IPA_RM_RESOURCE_RELEASED: |
| 1267 | /* Differed RM Released */ |
| 1268 | hdd_ipa->resource_unloading = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1269 | break; |
| 1270 | |
| 1271 | default: |
| 1272 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1273 | "%s, invalid event code %d", __func__, event); |
| 1274 | break; |
| 1275 | } |
| 1276 | } |
| 1277 | |
| 1278 | /** |
| 1279 | * hdd_ipa_uc_rm_notify_defer() - Defer IPA uC notification |
| 1280 | * @hdd_ipa: Global HDD IPA context |
| 1281 | * @event: IPA resource manager event to be deferred |
| 1282 | * |
| 1283 | * This function is called when a resource manager event is received |
| 1284 | * from firmware in interrupt context. This function will defer the |
| 1285 | * handling to the OL RX thread |
| 1286 | * |
| 1287 | * Return: None |
| 1288 | */ |
| 1289 | static void hdd_ipa_uc_rm_notify_defer(struct work_struct *work) |
| 1290 | { |
| 1291 | enum ipa_rm_event event; |
| 1292 | struct uc_rm_work_struct *uc_rm_work = container_of(work, |
| 1293 | struct uc_rm_work_struct, work); |
| 1294 | struct hdd_ipa_priv *hdd_ipa = container_of(uc_rm_work, |
| 1295 | struct hdd_ipa_priv, uc_rm_work); |
| 1296 | |
| 1297 | cds_ssr_protect(__func__); |
| 1298 | event = uc_rm_work->event; |
| 1299 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO_HIGH, |
| 1300 | "%s, posted event %d", __func__, event); |
| 1301 | |
| 1302 | hdd_ipa_uc_rm_notify_handler(hdd_ipa, event); |
| 1303 | cds_ssr_unprotect(__func__); |
| 1304 | |
| 1305 | return; |
| 1306 | } |
| 1307 | |
| 1308 | /** |
| 1309 | * hdd_ipa_uc_proc_pending_event() - Process IPA uC pending events |
| 1310 | * @hdd_ipa: Global HDD IPA context |
| 1311 | * |
| 1312 | * Return: None |
| 1313 | */ |
| 1314 | static void hdd_ipa_uc_proc_pending_event(struct hdd_ipa_priv *hdd_ipa) |
| 1315 | { |
| 1316 | unsigned int pending_event_count; |
| 1317 | struct ipa_uc_pending_event *pending_event = NULL; |
| 1318 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 1319 | pending_event_count = qdf_list_size(&hdd_ipa->pending_event); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1320 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 1321 | "%s, Pending Event Count %d", __func__, pending_event_count); |
| 1322 | if (!pending_event_count) { |
| 1323 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 1324 | "%s, No Pending Event", __func__); |
| 1325 | return; |
| 1326 | } |
| 1327 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 1328 | qdf_list_remove_front(&hdd_ipa->pending_event, |
| 1329 | (qdf_list_node_t **)&pending_event); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1330 | while (pending_event != NULL) { |
| 1331 | hdd_ipa_wlan_evt(pending_event->adapter, |
| 1332 | pending_event->type, |
| 1333 | pending_event->sta_id, |
| 1334 | pending_event->mac_addr); |
| 1335 | cdf_mem_free(pending_event); |
| 1336 | pending_event = NULL; |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 1337 | qdf_list_remove_front(&hdd_ipa->pending_event, |
| 1338 | (qdf_list_node_t **)&pending_event); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1339 | } |
| 1340 | } |
| 1341 | |
| 1342 | /** |
| 1343 | * hdd_ipa_uc_op_cb() - IPA uC operation callback |
| 1344 | * @op_msg: operation message received from firmware |
| 1345 | * @usr_ctxt: user context registered with TL (we register the HDD Global |
| 1346 | * context) |
| 1347 | * |
| 1348 | * Return: None |
| 1349 | */ |
| 1350 | static void hdd_ipa_uc_op_cb(struct op_msg_type *op_msg, void *usr_ctxt) |
| 1351 | { |
| 1352 | struct op_msg_type *msg = op_msg; |
| 1353 | struct ipa_uc_fw_stats *uc_fw_stat; |
| 1354 | struct IpaHwStatsWDIInfoData_t ipa_stat; |
| 1355 | struct hdd_ipa_priv *hdd_ipa; |
| 1356 | hdd_context_t *hdd_ctx; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1357 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1358 | |
| 1359 | if (!op_msg || !usr_ctxt) { |
| 1360 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "%s, INVALID ARG", __func__); |
| 1361 | return; |
| 1362 | } |
| 1363 | |
| 1364 | if (HDD_IPA_UC_OPCODE_MAX <= msg->op_code) { |
| 1365 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1366 | "%s, INVALID OPCODE %d", __func__, msg->op_code); |
| 1367 | return; |
| 1368 | } |
| 1369 | |
| 1370 | hdd_ctx = (hdd_context_t *) usr_ctxt; |
| 1371 | |
| 1372 | /* |
| 1373 | * When SSR is going on or driver is unloading, just return. |
| 1374 | */ |
| 1375 | status = wlan_hdd_validate_context(hdd_ctx); |
| 1376 | if (0 != status) { |
| 1377 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "HDD context is not valid"); |
| 1378 | cdf_mem_free(op_msg); |
| 1379 | return; |
| 1380 | } |
| 1381 | |
| 1382 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 1383 | |
| 1384 | HDD_IPA_LOG(CDF_TRACE_LEVEL_DEBUG, |
| 1385 | "%s, OPCODE %s", __func__, op_string[msg->op_code]); |
| 1386 | |
| 1387 | if ((HDD_IPA_UC_OPCODE_TX_RESUME == msg->op_code) || |
| 1388 | (HDD_IPA_UC_OPCODE_RX_RESUME == msg->op_code)) { |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1389 | cdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1390 | hdd_ipa->activated_fw_pipe++; |
| 1391 | if (HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) { |
| 1392 | hdd_ipa->resource_loading = false; |
| 1393 | hdd_ipa_uc_proc_pending_event(hdd_ipa); |
Yun Park | ccc6d7a | 2015-12-02 14:50:13 -0800 | [diff] [blame] | 1394 | if (hdd_ipa->pending_cons_req) |
| 1395 | ipa_rm_notify_completion( |
| 1396 | IPA_RM_RESOURCE_GRANTED, |
| 1397 | IPA_RM_RESOURCE_WLAN_CONS); |
Yun Park | 5b63501 | 2015-12-02 15:05:01 -0800 | [diff] [blame] | 1398 | hdd_ipa->pending_cons_req = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1399 | } |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1400 | cdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1401 | } |
| 1402 | |
| 1403 | if ((HDD_IPA_UC_OPCODE_TX_SUSPEND == msg->op_code) || |
| 1404 | (HDD_IPA_UC_OPCODE_RX_SUSPEND == msg->op_code)) { |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1405 | cdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1406 | hdd_ipa->activated_fw_pipe--; |
| 1407 | if (!hdd_ipa->activated_fw_pipe) { |
| 1408 | hdd_ipa_uc_disable_pipes(hdd_ipa); |
Yun Park | 5b63501 | 2015-12-02 15:05:01 -0800 | [diff] [blame] | 1409 | if (hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 1410 | ipa_rm_release_resource( |
| 1411 | IPA_RM_RESOURCE_WLAN_PROD); |
| 1412 | /* Sync return success from IPA |
| 1413 | * Enable/resume all the PIPEs */ |
| 1414 | hdd_ipa->resource_unloading = false; |
| 1415 | hdd_ipa_uc_proc_pending_event(hdd_ipa); |
| 1416 | hdd_ipa->pending_cons_req = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1417 | } |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1418 | cdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1419 | } |
| 1420 | |
| 1421 | if ((HDD_IPA_UC_OPCODE_STATS == msg->op_code) && |
| 1422 | (HDD_IPA_UC_STAT_REASON_DEBUG == hdd_ipa->stat_req_reason)) { |
| 1423 | |
| 1424 | /* STATs from host */ |
| 1425 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1426 | "==== IPA_UC WLAN_HOST CE ====\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1427 | "CE RING BASE: 0x%llx\n" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1428 | "CE RING SIZE: %d\n" |
| 1429 | "CE REG ADDR : 0x%llx", |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1430 | (unsigned long long)hdd_ipa->ce_sr_base_paddr, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1431 | hdd_ipa->ce_sr_ring_size, |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1432 | (unsigned long long)hdd_ipa->ce_reg_paddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1433 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1434 | "==== IPA_UC WLAN_HOST TX ====\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1435 | "COMP RING BASE: 0x%llx\n" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1436 | "COMP RING SIZE: %d\n" |
| 1437 | "NUM ALLOC BUF: %d\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1438 | "COMP RING DBELL : 0x%llx", |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1439 | (unsigned long long)hdd_ipa->tx_comp_ring_base_paddr, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1440 | hdd_ipa->tx_comp_ring_size, |
| 1441 | hdd_ipa->tx_num_alloc_buffer, |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1442 | (unsigned long long)hdd_ipa->tx_comp_doorbell_paddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1443 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1444 | "==== IPA_UC WLAN_HOST RX ====\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1445 | "IND RING BASE: 0x%llx\n" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1446 | "IND RING SIZE: %d\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1447 | "IND RING DBELL : 0x%llx\n" |
| 1448 | "PROC DONE IND ADDR : 0x%llx\n" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1449 | "NUM EXCP PKT : %llu\n" |
| 1450 | "NUM TX BCMC : %llu\n" |
| 1451 | "NUM TX BCMC ERR : %llu", |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1452 | (unsigned long long)hdd_ipa->rx_rdy_ring_base_paddr, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1453 | hdd_ipa->rx_rdy_ring_size, |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1454 | (unsigned long long)hdd_ipa->rx_ready_doorbell_paddr, |
| 1455 | (unsigned long long)hdd_ipa->rx_proc_done_idx_paddr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1456 | hdd_ipa->stats.num_rx_excep, |
| 1457 | hdd_ipa->stats.num_tx_bcmc, |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1458 | (unsigned long long)hdd_ipa->stats.num_tx_bcmc_err); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1459 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1460 | "==== IPA_UC WLAN_HOST CONTROL ====\n" |
| 1461 | "SAP NUM STAs: %d\n" |
| 1462 | "STA CONNECTED: %d\n" |
| 1463 | "TX PIPE HDL: %d\n" |
| 1464 | "RX PIPE HDL : %d\n" |
| 1465 | "RSC LOADING : %d\n" |
| 1466 | "RSC UNLOADING : %d\n" |
| 1467 | "PNDNG CNS RQT : %d", |
| 1468 | hdd_ipa->sap_num_connected_sta, |
| 1469 | hdd_ipa->sta_connected, |
| 1470 | hdd_ipa->tx_pipe_handle, |
| 1471 | hdd_ipa->rx_pipe_handle, |
| 1472 | (unsigned int)hdd_ipa->resource_loading, |
| 1473 | (unsigned int)hdd_ipa->resource_unloading, |
| 1474 | (unsigned int)hdd_ipa->pending_cons_req); |
| 1475 | |
| 1476 | /* STATs from FW */ |
| 1477 | uc_fw_stat = (struct ipa_uc_fw_stats *) |
| 1478 | ((uint8_t *)op_msg + sizeof(struct op_msg_type)); |
| 1479 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1480 | "==== IPA_UC WLAN_FW TX ====\n" |
| 1481 | "COMP RING BASE: 0x%x\n" |
| 1482 | "COMP RING SIZE: %d\n" |
| 1483 | "COMP RING DBELL : 0x%x\n" |
| 1484 | "COMP RING DBELL IND VAL : %d\n" |
| 1485 | "COMP RING DBELL CACHED VAL : %d\n" |
| 1486 | "COMP RING DBELL CACHED VAL : %d\n" |
| 1487 | "PKTS ENQ : %d\n" |
| 1488 | "PKTS COMP : %d\n" |
| 1489 | "IS SUSPEND : %d\n" |
| 1490 | "RSVD : 0x%x", |
| 1491 | uc_fw_stat->tx_comp_ring_base, |
| 1492 | uc_fw_stat->tx_comp_ring_size, |
| 1493 | uc_fw_stat->tx_comp_ring_dbell_addr, |
| 1494 | uc_fw_stat->tx_comp_ring_dbell_ind_val, |
| 1495 | uc_fw_stat->tx_comp_ring_dbell_cached_val, |
| 1496 | uc_fw_stat->tx_comp_ring_dbell_cached_val, |
| 1497 | uc_fw_stat->tx_pkts_enqueued, |
| 1498 | uc_fw_stat->tx_pkts_completed, |
| 1499 | uc_fw_stat->tx_is_suspend, uc_fw_stat->tx_reserved); |
| 1500 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1501 | "==== IPA_UC WLAN_FW RX ====\n" |
| 1502 | "IND RING BASE: 0x%x\n" |
| 1503 | "IND RING SIZE: %d\n" |
| 1504 | "IND RING DBELL : 0x%x\n" |
| 1505 | "IND RING DBELL IND VAL : %d\n" |
| 1506 | "IND RING DBELL CACHED VAL : %d\n" |
| 1507 | "RDY IND ADDR : 0x%x\n" |
| 1508 | "RDY IND CACHE VAL : %d\n" |
| 1509 | "RFIL IND : %d\n" |
| 1510 | "NUM PKT INDICAT : %d\n" |
| 1511 | "BUF REFIL : %d\n" |
| 1512 | "NUM DROP NO SPC : %d\n" |
| 1513 | "NUM DROP NO BUF : %d\n" |
| 1514 | "IS SUSPND : %d\n" |
| 1515 | "RSVD : 0x%x\n", |
| 1516 | uc_fw_stat->rx_ind_ring_base, |
| 1517 | uc_fw_stat->rx_ind_ring_size, |
| 1518 | uc_fw_stat->rx_ind_ring_dbell_addr, |
| 1519 | uc_fw_stat->rx_ind_ring_dbell_ind_val, |
| 1520 | uc_fw_stat->rx_ind_ring_dbell_ind_cached_val, |
| 1521 | uc_fw_stat->rx_ind_ring_rdidx_addr, |
| 1522 | uc_fw_stat->rx_ind_ring_rd_idx_cached_val, |
| 1523 | uc_fw_stat->rx_refill_idx, |
| 1524 | uc_fw_stat->rx_num_pkts_indicated, |
| 1525 | uc_fw_stat->rx_buf_refilled, |
| 1526 | uc_fw_stat->rx_num_ind_drop_no_space, |
| 1527 | uc_fw_stat->rx_num_ind_drop_no_buf, |
| 1528 | uc_fw_stat->rx_is_suspend, uc_fw_stat->rx_reserved); |
| 1529 | /* STATs from IPA */ |
| 1530 | ipa_get_wdi_stats(&ipa_stat); |
| 1531 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1532 | "==== IPA_UC IPA TX ====\n" |
| 1533 | "NUM PROCD : %d\n" |
| 1534 | "CE DBELL : 0x%x\n" |
| 1535 | "NUM DBELL FIRED : %d\n" |
| 1536 | "COMP RNG FULL : %d\n" |
| 1537 | "COMP RNG EMPT : %d\n" |
| 1538 | "COMP RNG USE HGH : %d\n" |
| 1539 | "COMP RNG USE LOW : %d\n" |
| 1540 | "BAM FIFO FULL : %d\n" |
| 1541 | "BAM FIFO EMPT : %d\n" |
| 1542 | "BAM FIFO USE HGH : %d\n" |
| 1543 | "BAM FIFO USE LOW : %d\n" |
| 1544 | "NUM DBELL : %d\n" |
| 1545 | "NUM UNEXP DBELL : %d\n" |
| 1546 | "NUM BAM INT HDL : 0x%x\n" |
| 1547 | "NUM BAM INT NON-RUN : 0x%x\n" |
| 1548 | "NUM QMB INT HDL : 0x%x", |
| 1549 | ipa_stat.tx_ch_stats.num_pkts_processed, |
| 1550 | ipa_stat.tx_ch_stats.copy_engine_doorbell_value, |
| 1551 | ipa_stat.tx_ch_stats.num_db_fired, |
| 1552 | ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringFull, |
| 1553 | ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringEmpty, |
| 1554 | ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringUsageHigh, |
| 1555 | ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringUsageLow, |
| 1556 | ipa_stat.tx_ch_stats.bam_stats.bamFifoFull, |
| 1557 | ipa_stat.tx_ch_stats.bam_stats.bamFifoEmpty, |
| 1558 | ipa_stat.tx_ch_stats.bam_stats.bamFifoUsageHigh, |
| 1559 | ipa_stat.tx_ch_stats.bam_stats.bamFifoUsageLow, |
| 1560 | ipa_stat.tx_ch_stats.num_db, |
| 1561 | ipa_stat.tx_ch_stats.num_unexpected_db, |
| 1562 | ipa_stat.tx_ch_stats.num_bam_int_handled, |
| 1563 | ipa_stat.tx_ch_stats. |
| 1564 | num_bam_int_in_non_runnning_state, |
| 1565 | ipa_stat.tx_ch_stats.num_qmb_int_handled); |
| 1566 | |
| 1567 | CDF_TRACE(CDF_MODULE_ID_HDD, CDF_TRACE_LEVEL_ERROR, |
| 1568 | "==== IPA_UC IPA RX ====\n" |
| 1569 | "MAX OST PKT : %d\n" |
| 1570 | "NUM PKT PRCSD : %d\n" |
| 1571 | "RNG RP : 0x%x\n" |
| 1572 | "COMP RNG FULL : %d\n" |
| 1573 | "COMP RNG EMPT : %d\n" |
| 1574 | "COMP RNG USE HGH : %d\n" |
| 1575 | "COMP RNG USE LOW : %d\n" |
| 1576 | "BAM FIFO FULL : %d\n" |
| 1577 | "BAM FIFO EMPT : %d\n" |
| 1578 | "BAM FIFO USE HGH : %d\n" |
| 1579 | "BAM FIFO USE LOW : %d\n" |
| 1580 | "NUM DB : %d\n" |
| 1581 | "NUM UNEXP DB : %d\n" |
| 1582 | "NUM BAM INT HNDL : 0x%x\n", |
| 1583 | ipa_stat.rx_ch_stats.max_outstanding_pkts, |
| 1584 | ipa_stat.rx_ch_stats.num_pkts_processed, |
| 1585 | ipa_stat.rx_ch_stats.rx_ring_rp_value, |
| 1586 | ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringFull, |
| 1587 | ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringEmpty, |
| 1588 | ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringUsageHigh, |
| 1589 | ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringUsageLow, |
| 1590 | ipa_stat.rx_ch_stats.bam_stats.bamFifoFull, |
| 1591 | ipa_stat.rx_ch_stats.bam_stats.bamFifoEmpty, |
| 1592 | ipa_stat.rx_ch_stats.bam_stats.bamFifoUsageHigh, |
| 1593 | ipa_stat.rx_ch_stats.bam_stats.bamFifoUsageLow, |
| 1594 | ipa_stat.rx_ch_stats.num_db, |
| 1595 | ipa_stat.rx_ch_stats.num_unexpected_db, |
| 1596 | ipa_stat.rx_ch_stats.num_bam_int_handled); |
| 1597 | } else if ((HDD_IPA_UC_OPCODE_STATS == msg->op_code) && |
| 1598 | (HDD_IPA_UC_STAT_REASON_BW_CAL == hdd_ipa->stat_req_reason)) { |
| 1599 | /* STATs from FW */ |
| 1600 | uc_fw_stat = (struct ipa_uc_fw_stats *) |
| 1601 | ((uint8_t *)op_msg + sizeof(struct op_msg_type)); |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1602 | cdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1603 | hdd_ipa->ipa_tx_packets_diff = HDD_BW_GET_DIFF( |
| 1604 | uc_fw_stat->tx_pkts_completed, |
| 1605 | hdd_ipa->ipa_p_tx_packets); |
| 1606 | hdd_ipa->ipa_rx_packets_diff = HDD_BW_GET_DIFF( |
| 1607 | (uc_fw_stat->rx_num_ind_drop_no_space + |
| 1608 | uc_fw_stat->rx_num_ind_drop_no_buf + |
| 1609 | uc_fw_stat->rx_num_pkts_indicated), |
| 1610 | hdd_ipa->ipa_p_rx_packets); |
| 1611 | |
| 1612 | hdd_ipa->ipa_p_tx_packets = uc_fw_stat->tx_pkts_completed; |
| 1613 | hdd_ipa->ipa_p_rx_packets = |
| 1614 | (uc_fw_stat->rx_num_ind_drop_no_space + |
| 1615 | uc_fw_stat->rx_num_ind_drop_no_buf + |
| 1616 | uc_fw_stat->rx_num_pkts_indicated); |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1617 | cdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1618 | } else { |
| 1619 | HDD_IPA_LOG(LOGE, "INVALID REASON %d", |
| 1620 | hdd_ipa->stat_req_reason); |
| 1621 | } |
| 1622 | cdf_mem_free(op_msg); |
| 1623 | } |
| 1624 | |
| 1625 | |
| 1626 | /** |
| 1627 | * hdd_ipa_uc_offload_enable_disable() - wdi enable/disable notify to fw |
| 1628 | * @adapter: device adapter instance |
| 1629 | * @offload_type: MCC or SCC |
| 1630 | * @enable: TX offload enable or disable |
| 1631 | * |
| 1632 | * Return: none |
| 1633 | */ |
| 1634 | static void hdd_ipa_uc_offload_enable_disable(hdd_adapter_t *adapter, |
| 1635 | uint32_t offload_type, uint32_t enable) |
| 1636 | { |
| 1637 | struct sir_ipa_offload_enable_disable ipa_offload_enable_disable; |
| 1638 | |
| 1639 | /* Lower layer may send multiple START_BSS_EVENT in DFS mode or during |
| 1640 | * channel change indication. Since these indications are sent by lower |
| 1641 | * layer as SAP updates and IPA doesn't have to do anything for these |
| 1642 | * updates so ignoring! |
| 1643 | */ |
| 1644 | if (WLAN_HDD_SOFTAP == adapter->device_mode && adapter->ipa_context) |
| 1645 | return; |
| 1646 | |
| 1647 | /* Lower layer may send multiple START_BSS_EVENT in DFS mode or during |
| 1648 | * channel change indication. Since these indications are sent by lower |
| 1649 | * layer as SAP updates and IPA doesn't have to do anything for these |
| 1650 | * updates so ignoring! |
| 1651 | */ |
| 1652 | if (adapter->ipa_context) |
| 1653 | return; |
| 1654 | |
| 1655 | cdf_mem_zero(&ipa_offload_enable_disable, |
| 1656 | sizeof(ipa_offload_enable_disable)); |
| 1657 | ipa_offload_enable_disable.offload_type = offload_type; |
| 1658 | ipa_offload_enable_disable.vdev_id = adapter->sessionId; |
| 1659 | ipa_offload_enable_disable.enable = enable; |
| 1660 | |
| 1661 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 1662 | "%s: offload_type=%d, vdev_id=%d, enable=%d", __func__, |
| 1663 | ipa_offload_enable_disable.offload_type, |
| 1664 | ipa_offload_enable_disable.vdev_id, |
| 1665 | ipa_offload_enable_disable.enable); |
| 1666 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1667 | if (QDF_STATUS_SUCCESS != |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1668 | sme_ipa_offload_enable_disable(WLAN_HDD_GET_HAL_CTX(adapter), |
| 1669 | adapter->sessionId, &ipa_offload_enable_disable)) { |
| 1670 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1671 | "%s: Failure to enable IPA offload \ |
| 1672 | (offload_type=%d, vdev_id=%d, enable=%d)", __func__, |
| 1673 | ipa_offload_enable_disable.offload_type, |
| 1674 | ipa_offload_enable_disable.vdev_id, |
| 1675 | ipa_offload_enable_disable.enable); |
| 1676 | } |
| 1677 | } |
| 1678 | |
| 1679 | /** |
| 1680 | * hdd_ipa_uc_fw_op_event_handler - IPA uC FW OPvent handler |
| 1681 | * @work: uC OP work |
| 1682 | * |
| 1683 | * Return: None |
| 1684 | */ |
| 1685 | static void hdd_ipa_uc_fw_op_event_handler(struct work_struct *work) |
| 1686 | { |
| 1687 | struct op_msg_type *msg; |
| 1688 | struct uc_op_work_struct *uc_op_work = container_of(work, |
| 1689 | struct uc_op_work_struct, work); |
| 1690 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 1691 | |
| 1692 | cds_ssr_protect(__func__); |
| 1693 | |
| 1694 | msg = uc_op_work->msg; |
| 1695 | uc_op_work->msg = NULL; |
| 1696 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO_HIGH, |
| 1697 | "%s, posted msg %d", __func__, msg->op_code); |
| 1698 | |
| 1699 | hdd_ipa_uc_op_cb(msg, hdd_ipa->hdd_ctx); |
| 1700 | |
| 1701 | cds_ssr_unprotect(__func__); |
| 1702 | |
| 1703 | return; |
| 1704 | } |
| 1705 | |
| 1706 | /** |
| 1707 | * hdd_ipa_uc_op_event_handler() - Adapter lookup |
| 1708 | * hdd_ipa_uc_fw_op_event_handler - IPA uC FW OPvent handler |
| 1709 | * @op_msg: operation message received from firmware |
| 1710 | * @hdd_ctx: Global HDD context |
| 1711 | * |
| 1712 | * Return: None |
| 1713 | */ |
| 1714 | static void hdd_ipa_uc_op_event_handler(uint8_t *op_msg, void *hdd_ctx) |
| 1715 | { |
| 1716 | struct hdd_ipa_priv *hdd_ipa; |
| 1717 | struct op_msg_type *msg; |
| 1718 | struct uc_op_work_struct *uc_op_work; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1719 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1720 | |
| 1721 | status = wlan_hdd_validate_context(hdd_ctx); |
| 1722 | if (0 != status) { |
| 1723 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "HDD context is not valid"); |
| 1724 | goto end; |
| 1725 | } |
| 1726 | |
| 1727 | msg = (struct op_msg_type *)op_msg; |
| 1728 | hdd_ipa = ((hdd_context_t *)hdd_ctx)->hdd_ipa; |
| 1729 | |
| 1730 | if (unlikely(!hdd_ipa)) |
| 1731 | goto end; |
| 1732 | |
| 1733 | if (HDD_IPA_UC_OPCODE_MAX <= msg->op_code) { |
| 1734 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "%s: Invalid OP Code (%d)", |
| 1735 | __func__, msg->op_code); |
| 1736 | goto end; |
| 1737 | } |
| 1738 | |
| 1739 | uc_op_work = &hdd_ipa->uc_op_work[msg->op_code]; |
| 1740 | if (uc_op_work->msg) |
| 1741 | /* When the same uC OPCODE is already pended, just return */ |
| 1742 | goto end; |
| 1743 | |
| 1744 | uc_op_work->msg = msg; |
| 1745 | schedule_work(&uc_op_work->work); |
| 1746 | return; |
| 1747 | |
| 1748 | end: |
| 1749 | cdf_mem_free(op_msg); |
| 1750 | } |
| 1751 | |
| 1752 | /** |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 1753 | * hdd_ipa_init_uc_op_work - init ipa uc op work |
| 1754 | * @work: struct work_struct |
| 1755 | * @work_handler: work_handler |
| 1756 | * |
| 1757 | * Return: none |
| 1758 | */ |
| 1759 | #ifdef CONFIG_CNSS |
| 1760 | static void hdd_ipa_init_uc_op_work(struct work_struct *work, |
| 1761 | work_func_t work_handler) |
| 1762 | { |
| 1763 | cnss_init_work(work, work_handler); |
| 1764 | } |
| 1765 | #else |
| 1766 | static void hdd_ipa_init_uc_op_work(struct work_struct *work, |
| 1767 | work_func_t work_handler) |
| 1768 | { |
| 1769 | INIT_WORK(work, work_handler); |
| 1770 | } |
| 1771 | #endif |
| 1772 | |
| 1773 | |
| 1774 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1775 | * hdd_ipa_uc_ol_init() - Initialize IPA uC offload |
| 1776 | * @hdd_ctx: Global HDD context |
| 1777 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1778 | * Return: QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1779 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1780 | static QDF_STATUS hdd_ipa_uc_ol_init(hdd_context_t *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1781 | { |
| 1782 | struct ipa_wdi_in_params pipe_in; |
| 1783 | struct ipa_wdi_out_params pipe_out; |
| 1784 | struct hdd_ipa_priv *ipa_ctxt = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 1785 | p_cds_contextType cds_ctx = hdd_ctx->pcds_context; |
| 1786 | uint8_t i; |
| 1787 | |
| 1788 | cdf_mem_zero(&pipe_in, sizeof(struct ipa_wdi_in_params)); |
| 1789 | cdf_mem_zero(&pipe_out, sizeof(struct ipa_wdi_out_params)); |
| 1790 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 1791 | qdf_list_create(&ipa_ctxt->pending_event, 1000); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1792 | cdf_mutex_init(&ipa_ctxt->event_lock); |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 1793 | cdf_mutex_init(&ipa_ctxt->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1794 | |
| 1795 | /* TX PIPE */ |
| 1796 | pipe_in.sys.ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 1797 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_len = HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| 1798 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| 1799 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| 1800 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_additional_const_len = |
| 1801 | HDD_IPA_UC_WLAN_8023_HDR_SIZE; |
| 1802 | pipe_in.sys.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 1803 | pipe_in.sys.client = IPA_CLIENT_WLAN1_CONS; |
| 1804 | pipe_in.sys.desc_fifo_sz = hdd_ctx->config->IpaDescSize; |
| 1805 | pipe_in.sys.priv = hdd_ctx->hdd_ipa; |
| 1806 | pipe_in.sys.ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| 1807 | pipe_in.sys.notify = hdd_ipa_i2w_cb; |
| 1808 | if (!hdd_ipa_is_rm_enabled(hdd_ctx)) { |
| 1809 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 1810 | "%s: IPA RM DISABLED, IPA AWAKE", __func__); |
| 1811 | pipe_in.sys.keep_ipa_awake = true; |
| 1812 | } |
| 1813 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1814 | pipe_in.u.dl.comp_ring_base_pa = ipa_ctxt->tx_comp_ring_base_paddr; |
| 1815 | pipe_in.u.dl.comp_ring_size = |
| 1816 | ipa_ctxt->tx_comp_ring_size * sizeof(cdf_dma_addr_t); |
| 1817 | pipe_in.u.dl.ce_ring_base_pa = ipa_ctxt->ce_sr_base_paddr; |
| 1818 | pipe_in.u.dl.ce_door_bell_pa = ipa_ctxt->ce_reg_paddr; |
| 1819 | pipe_in.u.dl.ce_ring_size = ipa_ctxt->ce_sr_ring_size; |
| 1820 | pipe_in.u.dl.num_tx_buffers = ipa_ctxt->tx_num_alloc_buffer; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1821 | |
| 1822 | /* Connect WDI IPA PIPE */ |
| 1823 | ipa_connect_wdi_pipe(&pipe_in, &pipe_out); |
| 1824 | /* Micro Controller Doorbell register */ |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1825 | ipa_ctxt->tx_comp_doorbell_paddr = pipe_out.uc_door_bell_pa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1826 | /* WLAN TX PIPE Handle */ |
| 1827 | ipa_ctxt->tx_pipe_handle = pipe_out.clnt_hdl; |
| 1828 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO_HIGH, |
| 1829 | "TX : CRBPA 0x%x, CRS %d, CERBPA 0x%x, CEDPA 0x%x," |
| 1830 | " CERZ %d, NB %d, CDBPAD 0x%x", |
| 1831 | (unsigned int)pipe_in.u.dl.comp_ring_base_pa, |
| 1832 | pipe_in.u.dl.comp_ring_size, |
| 1833 | (unsigned int)pipe_in.u.dl.ce_ring_base_pa, |
| 1834 | (unsigned int)pipe_in.u.dl.ce_door_bell_pa, |
| 1835 | pipe_in.u.dl.ce_ring_size, |
| 1836 | pipe_in.u.dl.num_tx_buffers, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1837 | (unsigned int)ipa_ctxt->tx_comp_doorbell_paddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1838 | |
| 1839 | /* RX PIPE */ |
| 1840 | pipe_in.sys.ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 1841 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_len = HDD_IPA_UC_WLAN_RX_HDR_LEN; |
| 1842 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 0; |
| 1843 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_metadata_reg_valid = 1; |
| 1844 | pipe_in.sys.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 1845 | pipe_in.sys.client = IPA_CLIENT_WLAN1_PROD; |
| 1846 | pipe_in.sys.desc_fifo_sz = hdd_ctx->config->IpaDescSize + |
| 1847 | sizeof(struct sps_iovec); |
| 1848 | pipe_in.sys.notify = hdd_ipa_w2i_cb; |
| 1849 | if (!hdd_ipa_is_rm_enabled(hdd_ctx)) { |
| 1850 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1851 | "%s: IPA RM DISABLED, IPA AWAKE", __func__); |
| 1852 | pipe_in.sys.keep_ipa_awake = true; |
| 1853 | } |
| 1854 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1855 | pipe_in.u.ul.rdy_ring_base_pa = ipa_ctxt->rx_rdy_ring_base_paddr; |
| 1856 | pipe_in.u.ul.rdy_ring_size = ipa_ctxt->rx_rdy_ring_size; |
| 1857 | pipe_in.u.ul.rdy_ring_rp_pa = ipa_ctxt->rx_proc_done_idx_paddr; |
| 1858 | HDD_IPA_WDI2_SET(pipe_in, ipa_ctxt); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1859 | ipa_connect_wdi_pipe(&pipe_in, &pipe_out); |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1860 | ipa_ctxt->rx_ready_doorbell_paddr = pipe_out.uc_door_bell_pa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1861 | ipa_ctxt->rx_pipe_handle = pipe_out.clnt_hdl; |
| 1862 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO_HIGH, |
| 1863 | "RX : RRBPA 0x%x, RRS %d, PDIPA 0x%x, RDY_DB_PAD 0x%x", |
| 1864 | (unsigned int)pipe_in.u.ul.rdy_ring_base_pa, |
| 1865 | pipe_in.u.ul.rdy_ring_size, |
| 1866 | (unsigned int)pipe_in.u.ul.rdy_ring_rp_pa, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1867 | (unsigned int)ipa_ctxt->rx_ready_doorbell_paddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1868 | |
| 1869 | ol_txrx_ipa_uc_set_doorbell_paddr(cds_ctx->pdev_txrx_ctx, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1870 | ipa_ctxt->tx_comp_doorbell_paddr, |
| 1871 | ipa_ctxt->rx_ready_doorbell_paddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1872 | |
| 1873 | ol_txrx_ipa_uc_register_op_cb(cds_ctx->pdev_txrx_ctx, |
| 1874 | hdd_ipa_uc_op_event_handler, (void *)hdd_ctx); |
| 1875 | |
| 1876 | for (i = 0; i < HDD_IPA_UC_OPCODE_MAX; i++) { |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 1877 | hdd_ipa_init_uc_op_work(&ipa_ctxt->uc_op_work[i].work, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1878 | hdd_ipa_uc_fw_op_event_handler); |
| 1879 | ipa_ctxt->uc_op_work[i].msg = NULL; |
| 1880 | } |
| 1881 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1882 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1883 | } |
| 1884 | |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1885 | /** |
| 1886 | * hdd_ipa_uc_force_pipe_shutdown() - Force shutdown IPA pipe |
| 1887 | * @hdd_ctx: hdd main context |
| 1888 | * |
| 1889 | * Force shutdown IPA pipe |
| 1890 | * Independent of FW pipe status, IPA pipe shutdonw progress |
| 1891 | * in case, any STA does not leave properly, IPA HW pipe should cleaned up |
| 1892 | * independent from FW pipe status |
| 1893 | * |
| 1894 | * Return: NONE |
| 1895 | */ |
| 1896 | void hdd_ipa_uc_force_pipe_shutdown(hdd_context_t *hdd_ctx) |
| 1897 | { |
| 1898 | struct hdd_ipa_priv *hdd_ipa; |
| 1899 | |
| 1900 | if (!hdd_ipa_is_enabled(hdd_ctx) || !hdd_ctx->hdd_ipa) |
| 1901 | return; |
| 1902 | |
| 1903 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 1904 | if (false == hdd_ipa->ipa_pipes_down) { |
| 1905 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 1906 | "IPA pipes are not down yet, force shutdown"); |
| 1907 | hdd_ipa_uc_disable_pipes(hdd_ipa); |
| 1908 | } else { |
| 1909 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 1910 | "IPA pipes are down, do nothing"); |
| 1911 | } |
| 1912 | |
| 1913 | return; |
| 1914 | } |
| 1915 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1916 | /** |
| 1917 | * hdd_ipa_uc_ssr_deinit() - handle ipa deinit for SSR |
| 1918 | * |
| 1919 | * Deinit basic IPA UC host side to be in sync reloaded FW during |
| 1920 | * SSR |
| 1921 | * |
| 1922 | * Return: 0 - Success |
| 1923 | */ |
| 1924 | int hdd_ipa_uc_ssr_deinit(void) |
| 1925 | { |
| 1926 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 1927 | int idx; |
| 1928 | struct hdd_ipa_iface_context *iface_context; |
| 1929 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1930 | if ((!hdd_ipa) || (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx))) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1931 | return 0; |
| 1932 | |
| 1933 | /* Clean up HDD IPA interfaces */ |
| 1934 | for (idx = 0; (hdd_ipa->num_iface > 0) && |
| 1935 | (idx < HDD_IPA_MAX_IFACE); idx++) { |
| 1936 | iface_context = &hdd_ipa->iface_context[idx]; |
| 1937 | if (iface_context && iface_context->adapter) |
| 1938 | hdd_ipa_cleanup_iface(iface_context); |
| 1939 | } |
| 1940 | |
| 1941 | /* After SSR, wlan driver reloads FW again. But we need to protect |
| 1942 | * IPA submodule during SSR transient state. So deinit basic IPA |
| 1943 | * UC host side to be in sync with reloaded FW during SSR |
| 1944 | */ |
Yun Park | f7dc8cd | 2015-11-17 15:25:12 -0800 | [diff] [blame] | 1945 | if (!hdd_ipa->ipa_pipes_down) |
| 1946 | hdd_ipa_uc_disable_pipes(hdd_ipa); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1947 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1948 | cdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1949 | for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| 1950 | hdd_ipa->assoc_stas_map[idx].is_reserved = false; |
| 1951 | hdd_ipa->assoc_stas_map[idx].sta_id = 0xFF; |
| 1952 | } |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1953 | cdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1954 | |
| 1955 | /* Full IPA driver cleanup not required since wlan driver is now |
| 1956 | * unloaded and reloaded after SSR. |
| 1957 | */ |
| 1958 | return 0; |
| 1959 | } |
| 1960 | |
| 1961 | /** |
| 1962 | * hdd_ipa_uc_ssr_reinit() - handle ipa reinit after SSR |
| 1963 | * |
| 1964 | * Init basic IPA UC host side to be in sync with reloaded FW after |
| 1965 | * SSR to resume IPA UC operations |
| 1966 | * |
| 1967 | * Return: 0 - Success |
| 1968 | */ |
| 1969 | int hdd_ipa_uc_ssr_reinit(void) |
| 1970 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1971 | |
| 1972 | /* After SSR is complete, IPA UC can resume operation. But now wlan |
| 1973 | * driver will be unloaded and reloaded, which takes care of IPA cleanup |
| 1974 | * and initialization. This is a placeholder func if IPA has to resume |
| 1975 | * operations without driver reload. |
| 1976 | */ |
| 1977 | return 0; |
| 1978 | } |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1979 | |
| 1980 | /** |
| 1981 | * hdd_ipa_tx_packet_ipa() - send packet to IPA |
| 1982 | * @hdd_ctx: Global HDD context |
| 1983 | * @skb: skb sent to IPA |
| 1984 | * @session_id: send packet instance session id |
| 1985 | * |
| 1986 | * Send TX packet which generated by system to IPA. |
| 1987 | * This routine only will be used for function verification |
| 1988 | * |
| 1989 | * Return: NULL packet sent to IPA properly |
| 1990 | * NULL invalid packet drop |
| 1991 | * skb packet not sent to IPA. legacy data path should handle |
| 1992 | */ |
| 1993 | struct sk_buff *hdd_ipa_tx_packet_ipa(hdd_context_t *hdd_ctx, |
| 1994 | struct sk_buff *skb, uint8_t session_id) |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1995 | { |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1996 | struct ipa_header *ipa_header; |
| 1997 | struct frag_header *frag_header; |
| 1998 | |
| 1999 | if (!hdd_ipa_uc_is_enabled(hdd_ctx)) |
| 2000 | return skb; |
| 2001 | |
| 2002 | ipa_header = (struct ipa_header *) skb_push(skb, |
| 2003 | sizeof(struct ipa_header)); |
| 2004 | if (!ipa_header) { |
| 2005 | /* No headroom, legacy */ |
| 2006 | return skb; |
| 2007 | } |
| 2008 | memset(ipa_header, 0, sizeof(*ipa_header)); |
| 2009 | ipa_header->vdev_id = 0; |
| 2010 | |
| 2011 | frag_header = (struct frag_header *) skb_push(skb, |
| 2012 | sizeof(struct frag_header)); |
| 2013 | if (!frag_header) { |
| 2014 | /* No headroom, drop */ |
| 2015 | kfree_skb(skb); |
| 2016 | return NULL; |
| 2017 | } |
| 2018 | memset(frag_header, 0, sizeof(*frag_header)); |
| 2019 | frag_header->length = skb->len - sizeof(struct frag_header) |
| 2020 | - sizeof(struct ipa_header); |
| 2021 | |
| 2022 | ipa_tx_dp(IPA_CLIENT_WLAN1_CONS, skb, NULL); |
| 2023 | return NULL; |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 2024 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2025 | |
| 2026 | /** |
| 2027 | * hdd_ipa_wake_lock_timer_func() - Wake lock work handler |
| 2028 | * @work: scheduled work |
| 2029 | * |
| 2030 | * When IPA resources are released in hdd_ipa_rm_try_release() we do |
| 2031 | * not want to immediately release the wake lock since the system |
| 2032 | * would then potentially try to suspend when there is a healthy data |
| 2033 | * rate. Deferred work is scheduled and this function handles the |
| 2034 | * work. When this function is called, if the IPA resource is still |
| 2035 | * released then we release the wake lock. |
| 2036 | * |
| 2037 | * Return: None |
| 2038 | */ |
| 2039 | static void hdd_ipa_wake_lock_timer_func(struct work_struct *work) |
| 2040 | { |
| 2041 | struct hdd_ipa_priv *hdd_ipa = container_of(to_delayed_work(work), |
| 2042 | struct hdd_ipa_priv, |
| 2043 | wake_lock_work); |
| 2044 | |
| 2045 | cdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| 2046 | |
| 2047 | if (hdd_ipa->rm_state != HDD_IPA_RM_RELEASED) |
| 2048 | goto end; |
| 2049 | |
| 2050 | hdd_ipa->wake_lock_released = true; |
| 2051 | cdf_wake_lock_release(&hdd_ipa->wake_lock, |
| 2052 | WIFI_POWER_EVENT_WAKELOCK_IPA); |
| 2053 | |
| 2054 | end: |
| 2055 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2056 | } |
| 2057 | |
| 2058 | /** |
| 2059 | * hdd_ipa_rm_request() - Request resource from IPA |
| 2060 | * @hdd_ipa: Global HDD IPA context |
| 2061 | * |
| 2062 | * Return: 0 on success, negative errno on error |
| 2063 | */ |
| 2064 | static int hdd_ipa_rm_request(struct hdd_ipa_priv *hdd_ipa) |
| 2065 | { |
| 2066 | int ret = 0; |
| 2067 | |
| 2068 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2069 | return 0; |
| 2070 | |
| 2071 | cdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| 2072 | |
| 2073 | switch (hdd_ipa->rm_state) { |
| 2074 | case HDD_IPA_RM_GRANTED: |
| 2075 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2076 | return 0; |
| 2077 | case HDD_IPA_RM_GRANT_PENDING: |
| 2078 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2079 | return -EINPROGRESS; |
| 2080 | case HDD_IPA_RM_RELEASED: |
| 2081 | hdd_ipa->rm_state = HDD_IPA_RM_GRANT_PENDING; |
| 2082 | break; |
| 2083 | } |
| 2084 | |
| 2085 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2086 | |
| 2087 | ret = ipa_rm_inactivity_timer_request_resource( |
| 2088 | IPA_RM_RESOURCE_WLAN_PROD); |
| 2089 | |
| 2090 | cdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| 2091 | if (ret == 0) { |
| 2092 | hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| 2093 | hdd_ipa->stats.num_rm_grant_imm++; |
| 2094 | } |
| 2095 | |
| 2096 | cancel_delayed_work(&hdd_ipa->wake_lock_work); |
| 2097 | if (hdd_ipa->wake_lock_released) { |
| 2098 | cdf_wake_lock_acquire(&hdd_ipa->wake_lock, |
| 2099 | WIFI_POWER_EVENT_WAKELOCK_IPA); |
| 2100 | hdd_ipa->wake_lock_released = false; |
| 2101 | } |
| 2102 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2103 | |
| 2104 | return ret; |
| 2105 | } |
| 2106 | |
| 2107 | /** |
| 2108 | * hdd_ipa_rm_try_release() - Attempt to release IPA resource |
| 2109 | * @hdd_ipa: Global HDD IPA context |
| 2110 | * |
| 2111 | * Return: 0 if resources released, negative errno otherwise |
| 2112 | */ |
| 2113 | static int hdd_ipa_rm_try_release(struct hdd_ipa_priv *hdd_ipa) |
| 2114 | { |
| 2115 | int ret = 0; |
| 2116 | |
| 2117 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2118 | return 0; |
| 2119 | |
| 2120 | if (atomic_read(&hdd_ipa->tx_ref_cnt)) |
| 2121 | return -EAGAIN; |
| 2122 | |
| 2123 | spin_lock_bh(&hdd_ipa->q_lock); |
| 2124 | if (!hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| 2125 | (hdd_ipa->pending_hw_desc_cnt || hdd_ipa->pend_q_cnt)) { |
| 2126 | spin_unlock_bh(&hdd_ipa->q_lock); |
| 2127 | return -EAGAIN; |
| 2128 | } |
| 2129 | spin_unlock_bh(&hdd_ipa->q_lock); |
| 2130 | |
| 2131 | cdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| 2132 | |
| 2133 | if (!cdf_nbuf_is_queue_empty(&hdd_ipa->pm_queue_head)) { |
| 2134 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2135 | return -EAGAIN; |
| 2136 | } |
| 2137 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2138 | |
| 2139 | cdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| 2140 | switch (hdd_ipa->rm_state) { |
| 2141 | case HDD_IPA_RM_GRANTED: |
| 2142 | break; |
| 2143 | case HDD_IPA_RM_GRANT_PENDING: |
| 2144 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2145 | return -EINPROGRESS; |
| 2146 | case HDD_IPA_RM_RELEASED: |
| 2147 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2148 | return 0; |
| 2149 | } |
| 2150 | |
| 2151 | /* IPA driver returns immediately so set the state here to avoid any |
| 2152 | * race condition. |
| 2153 | */ |
| 2154 | hdd_ipa->rm_state = HDD_IPA_RM_RELEASED; |
| 2155 | hdd_ipa->stats.num_rm_release++; |
| 2156 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2157 | |
| 2158 | ret = |
| 2159 | ipa_rm_inactivity_timer_release_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| 2160 | |
| 2161 | cdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| 2162 | if (unlikely(ret != 0)) { |
| 2163 | hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| 2164 | WARN_ON(1); |
| 2165 | } |
| 2166 | |
| 2167 | /* |
| 2168 | * If wake_lock is released immediately, kernel would try to suspend |
| 2169 | * immediately as well, Just avoid ping-pong between suspend-resume |
| 2170 | * while there is healthy amount of data transfer going on by |
| 2171 | * releasing the wake_lock after some delay. |
| 2172 | */ |
| 2173 | schedule_delayed_work(&hdd_ipa->wake_lock_work, |
| 2174 | msecs_to_jiffies |
| 2175 | (HDD_IPA_RX_INACTIVITY_MSEC_DELAY)); |
| 2176 | |
| 2177 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2178 | |
| 2179 | return ret; |
| 2180 | } |
| 2181 | |
| 2182 | /** |
| 2183 | * hdd_ipa_rm_notify() - IPA resource manager notifier callback |
| 2184 | * @user_data: user data registered with IPA |
| 2185 | * @event: the IPA resource manager event that occurred |
| 2186 | * @data: the data associated with the event |
| 2187 | * |
| 2188 | * Return: None |
| 2189 | */ |
| 2190 | static void hdd_ipa_rm_notify(void *user_data, enum ipa_rm_event event, |
| 2191 | unsigned long data) |
| 2192 | { |
| 2193 | struct hdd_ipa_priv *hdd_ipa = user_data; |
| 2194 | |
| 2195 | if (unlikely(!hdd_ipa)) |
| 2196 | return; |
| 2197 | |
| 2198 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2199 | return; |
| 2200 | |
| 2201 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "Evt: %d", event); |
| 2202 | |
| 2203 | switch (event) { |
| 2204 | case IPA_RM_RESOURCE_GRANTED: |
| 2205 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 2206 | /* RM Notification comes with ISR context |
| 2207 | * it should be serialized into work queue to avoid |
| 2208 | * ISR sleep problem |
| 2209 | */ |
| 2210 | hdd_ipa->uc_rm_work.event = event; |
| 2211 | schedule_work(&hdd_ipa->uc_rm_work.work); |
| 2212 | break; |
| 2213 | } |
| 2214 | cdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| 2215 | hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| 2216 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2217 | hdd_ipa->stats.num_rm_grant++; |
| 2218 | break; |
| 2219 | |
| 2220 | case IPA_RM_RESOURCE_RELEASED: |
| 2221 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "RM Release"); |
| 2222 | hdd_ipa->resource_unloading = false; |
| 2223 | break; |
| 2224 | |
| 2225 | default: |
| 2226 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "Unknown RM Evt: %d", event); |
| 2227 | break; |
| 2228 | } |
| 2229 | } |
| 2230 | |
| 2231 | /** |
| 2232 | * hdd_ipa_rm_cons_release() - WLAN consumer resource release handler |
| 2233 | * |
| 2234 | * Callback function registered with IPA that is called when IPA wants |
| 2235 | * to release the WLAN consumer resource |
| 2236 | * |
| 2237 | * Return: 0 if the request is granted, negative errno otherwise |
| 2238 | */ |
| 2239 | static int hdd_ipa_rm_cons_release(void) |
| 2240 | { |
| 2241 | return 0; |
| 2242 | } |
| 2243 | |
| 2244 | /** |
| 2245 | * hdd_ipa_rm_cons_request() - WLAN consumer resource request handler |
| 2246 | * |
| 2247 | * Callback function registered with IPA that is called when IPA wants |
| 2248 | * to access the WLAN consumer resource |
| 2249 | * |
| 2250 | * Return: 0 if the request is granted, negative errno otherwise |
| 2251 | */ |
| 2252 | static int hdd_ipa_rm_cons_request(void) |
| 2253 | { |
Yun Park | 4d8b60a | 2015-10-22 13:59:32 -0700 | [diff] [blame] | 2254 | int ret = 0; |
| 2255 | |
| 2256 | if (ghdd_ipa->resource_loading) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2257 | HDD_IPA_LOG(CDF_TRACE_LEVEL_FATAL, |
Yun Park | 4d8b60a | 2015-10-22 13:59:32 -0700 | [diff] [blame] | 2258 | "%s: IPA resource loading in progress", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2259 | __func__); |
| 2260 | ghdd_ipa->pending_cons_req = true; |
Yun Park | 4d8b60a | 2015-10-22 13:59:32 -0700 | [diff] [blame] | 2261 | ret = -EINPROGRESS; |
| 2262 | } else if (ghdd_ipa->resource_unloading) { |
| 2263 | HDD_IPA_LOG(CDF_TRACE_LEVEL_FATAL, |
| 2264 | "%s: IPA resource unloading in progress", |
| 2265 | __func__); |
| 2266 | ghdd_ipa->pending_cons_req = true; |
| 2267 | ret = -EPERM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2268 | } |
Yun Park | 4d8b60a | 2015-10-22 13:59:32 -0700 | [diff] [blame] | 2269 | |
| 2270 | return ret; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2271 | } |
| 2272 | |
| 2273 | /** |
| 2274 | * hdd_ipa_set_perf_level() - Set IPA performance level |
| 2275 | * @hdd_ctx: Global HDD context |
| 2276 | * @tx_packets: Number of packets transmitted in the last sample period |
| 2277 | * @rx_packets: Number of packets received in the last sample period |
| 2278 | * |
| 2279 | * Return: 0 on success, negative errno on error |
| 2280 | */ |
| 2281 | int hdd_ipa_set_perf_level(hdd_context_t *hdd_ctx, uint64_t tx_packets, |
| 2282 | uint64_t rx_packets) |
| 2283 | { |
| 2284 | uint32_t next_cons_bw, next_prod_bw; |
| 2285 | struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| 2286 | struct ipa_rm_perf_profile profile; |
| 2287 | int ret; |
| 2288 | |
| 2289 | if ((!hdd_ipa_is_enabled(hdd_ctx)) || |
| 2290 | (!hdd_ipa_is_clk_scaling_enabled(hdd_ctx))) |
| 2291 | return 0; |
| 2292 | |
| 2293 | memset(&profile, 0, sizeof(profile)); |
| 2294 | |
| 2295 | if (tx_packets > (hdd_ctx->config->busBandwidthHighThreshold / 2)) |
| 2296 | next_cons_bw = hdd_ctx->config->IpaHighBandwidthMbps; |
| 2297 | else if (tx_packets > |
| 2298 | (hdd_ctx->config->busBandwidthMediumThreshold / 2)) |
| 2299 | next_cons_bw = hdd_ctx->config->IpaMediumBandwidthMbps; |
| 2300 | else |
| 2301 | next_cons_bw = hdd_ctx->config->IpaLowBandwidthMbps; |
| 2302 | |
| 2303 | if (rx_packets > (hdd_ctx->config->busBandwidthHighThreshold / 2)) |
| 2304 | next_prod_bw = hdd_ctx->config->IpaHighBandwidthMbps; |
| 2305 | else if (rx_packets > |
| 2306 | (hdd_ctx->config->busBandwidthMediumThreshold / 2)) |
| 2307 | next_prod_bw = hdd_ctx->config->IpaMediumBandwidthMbps; |
| 2308 | else |
| 2309 | next_prod_bw = hdd_ctx->config->IpaLowBandwidthMbps; |
| 2310 | |
| 2311 | HDD_IPA_LOG(LOG1, |
| 2312 | "CONS perf curr: %d, next: %d", |
| 2313 | hdd_ipa->curr_cons_bw, next_cons_bw); |
| 2314 | HDD_IPA_LOG(LOG1, |
| 2315 | "PROD perf curr: %d, next: %d", |
| 2316 | hdd_ipa->curr_prod_bw, next_prod_bw); |
| 2317 | |
| 2318 | if (hdd_ipa->curr_cons_bw != next_cons_bw) { |
| 2319 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 2320 | "Requesting CONS perf curr: %d, next: %d", |
| 2321 | hdd_ipa->curr_cons_bw, next_cons_bw); |
| 2322 | profile.max_supported_bandwidth_mbps = next_cons_bw; |
| 2323 | ret = ipa_rm_set_perf_profile(IPA_RM_RESOURCE_WLAN_CONS, |
| 2324 | &profile); |
| 2325 | if (ret) { |
| 2326 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 2327 | "RM CONS set perf profile failed: %d", ret); |
| 2328 | |
| 2329 | return ret; |
| 2330 | } |
| 2331 | hdd_ipa->curr_cons_bw = next_cons_bw; |
| 2332 | hdd_ipa->stats.num_cons_perf_req++; |
| 2333 | } |
| 2334 | |
| 2335 | if (hdd_ipa->curr_prod_bw != next_prod_bw) { |
| 2336 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 2337 | "Requesting PROD perf curr: %d, next: %d", |
| 2338 | hdd_ipa->curr_prod_bw, next_prod_bw); |
| 2339 | profile.max_supported_bandwidth_mbps = next_prod_bw; |
| 2340 | ret = ipa_rm_set_perf_profile(IPA_RM_RESOURCE_WLAN_PROD, |
| 2341 | &profile); |
| 2342 | if (ret) { |
| 2343 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 2344 | "RM PROD set perf profile failed: %d", ret); |
| 2345 | return ret; |
| 2346 | } |
| 2347 | hdd_ipa->curr_prod_bw = next_prod_bw; |
| 2348 | hdd_ipa->stats.num_prod_perf_req++; |
| 2349 | } |
| 2350 | |
| 2351 | return 0; |
| 2352 | } |
| 2353 | |
| 2354 | /** |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 2355 | * hdd_ipa_init_uc_rm_work - init ipa uc resource manager work |
| 2356 | * @work: struct work_struct |
| 2357 | * @work_handler: work_handler |
| 2358 | * |
| 2359 | * Return: none |
| 2360 | */ |
| 2361 | #ifdef CONFIG_CNSS |
| 2362 | static void hdd_ipa_init_uc_rm_work(struct work_struct *work, |
| 2363 | work_func_t work_handler) |
| 2364 | { |
| 2365 | cnss_init_work(work, work_handler); |
| 2366 | } |
| 2367 | #else |
| 2368 | static void hdd_ipa_init_uc_rm_work(struct work_struct *work, |
| 2369 | work_func_t work_handler) |
| 2370 | { |
| 2371 | INIT_WORK(work, work_handler); |
| 2372 | } |
| 2373 | #endif |
| 2374 | |
| 2375 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2376 | * hdd_ipa_setup_rm() - Setup IPA resource management |
| 2377 | * @hdd_ipa: Global HDD IPA context |
| 2378 | * |
| 2379 | * Return: 0 on success, negative errno on error |
| 2380 | */ |
| 2381 | static int hdd_ipa_setup_rm(struct hdd_ipa_priv *hdd_ipa) |
| 2382 | { |
| 2383 | struct ipa_rm_create_params create_params = { 0 }; |
| 2384 | int ret; |
| 2385 | |
| 2386 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2387 | return 0; |
| 2388 | |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 2389 | hdd_ipa_init_uc_rm_work(&hdd_ipa->uc_rm_work.work, |
| 2390 | hdd_ipa_uc_rm_notify_defer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2391 | memset(&create_params, 0, sizeof(create_params)); |
| 2392 | create_params.name = IPA_RM_RESOURCE_WLAN_PROD; |
| 2393 | create_params.reg_params.user_data = hdd_ipa; |
| 2394 | create_params.reg_params.notify_cb = hdd_ipa_rm_notify; |
| 2395 | create_params.floor_voltage = IPA_VOLTAGE_SVS; |
| 2396 | |
| 2397 | ret = ipa_rm_create_resource(&create_params); |
| 2398 | if (ret) { |
| 2399 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 2400 | "Create RM resource failed: %d", ret); |
| 2401 | goto setup_rm_fail; |
| 2402 | } |
| 2403 | |
| 2404 | memset(&create_params, 0, sizeof(create_params)); |
| 2405 | create_params.name = IPA_RM_RESOURCE_WLAN_CONS; |
| 2406 | create_params.request_resource = hdd_ipa_rm_cons_request; |
| 2407 | create_params.release_resource = hdd_ipa_rm_cons_release; |
| 2408 | create_params.floor_voltage = IPA_VOLTAGE_SVS; |
| 2409 | |
| 2410 | ret = ipa_rm_create_resource(&create_params); |
| 2411 | if (ret) { |
| 2412 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 2413 | "Create RM CONS resource failed: %d", ret); |
| 2414 | goto delete_prod; |
| 2415 | } |
| 2416 | |
| 2417 | ipa_rm_add_dependency(IPA_RM_RESOURCE_WLAN_PROD, |
| 2418 | IPA_RM_RESOURCE_APPS_CONS); |
| 2419 | |
| 2420 | ret = ipa_rm_inactivity_timer_init(IPA_RM_RESOURCE_WLAN_PROD, |
| 2421 | HDD_IPA_RX_INACTIVITY_MSEC_DELAY); |
| 2422 | if (ret) { |
| 2423 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "Timer init failed: %d", |
| 2424 | ret); |
| 2425 | goto timer_init_failed; |
| 2426 | } |
| 2427 | |
| 2428 | /* Set the lowest bandwidth to start with */ |
| 2429 | ret = hdd_ipa_set_perf_level(hdd_ipa->hdd_ctx, 0, 0); |
| 2430 | |
| 2431 | if (ret) { |
| 2432 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 2433 | "Set perf level failed: %d", ret); |
| 2434 | goto set_perf_failed; |
| 2435 | } |
| 2436 | |
| 2437 | cdf_wake_lock_init(&hdd_ipa->wake_lock, "wlan_ipa"); |
| 2438 | #ifdef CONFIG_CNSS |
| 2439 | cnss_init_delayed_work(&hdd_ipa->wake_lock_work, |
| 2440 | hdd_ipa_wake_lock_timer_func); |
| 2441 | #else |
| 2442 | INIT_DELAYED_WORK(&hdd_ipa->wake_lock_work, |
| 2443 | hdd_ipa_wake_lock_timer_func); |
| 2444 | #endif |
| 2445 | cdf_spinlock_init(&hdd_ipa->rm_lock); |
| 2446 | hdd_ipa->rm_state = HDD_IPA_RM_RELEASED; |
| 2447 | hdd_ipa->wake_lock_released = true; |
| 2448 | atomic_set(&hdd_ipa->tx_ref_cnt, 0); |
| 2449 | |
| 2450 | return ret; |
| 2451 | |
| 2452 | set_perf_failed: |
| 2453 | ipa_rm_inactivity_timer_destroy(IPA_RM_RESOURCE_WLAN_PROD); |
| 2454 | |
| 2455 | timer_init_failed: |
| 2456 | ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_CONS); |
| 2457 | |
| 2458 | delete_prod: |
| 2459 | ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| 2460 | |
| 2461 | setup_rm_fail: |
| 2462 | return ret; |
| 2463 | } |
| 2464 | |
| 2465 | /** |
| 2466 | * hdd_ipa_destroy_rm_resource() - Destroy IPA resources |
| 2467 | * @hdd_ipa: Global HDD IPA context |
| 2468 | * |
| 2469 | * Destroys all resources associated with the IPA resource manager |
| 2470 | * |
| 2471 | * Return: None |
| 2472 | */ |
| 2473 | static void hdd_ipa_destroy_rm_resource(struct hdd_ipa_priv *hdd_ipa) |
| 2474 | { |
| 2475 | int ret; |
| 2476 | |
| 2477 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2478 | return; |
| 2479 | |
| 2480 | cancel_delayed_work_sync(&hdd_ipa->wake_lock_work); |
| 2481 | cdf_wake_lock_destroy(&hdd_ipa->wake_lock); |
| 2482 | |
| 2483 | #ifdef WLAN_OPEN_SOURCE |
| 2484 | cancel_work_sync(&hdd_ipa->uc_rm_work.work); |
| 2485 | #endif |
| 2486 | cdf_spinlock_destroy(&hdd_ipa->rm_lock); |
| 2487 | |
| 2488 | ipa_rm_inactivity_timer_destroy(IPA_RM_RESOURCE_WLAN_PROD); |
| 2489 | |
| 2490 | ret = ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| 2491 | if (ret) |
| 2492 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 2493 | "RM PROD resource delete failed %d", ret); |
| 2494 | |
| 2495 | ret = ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_CONS); |
| 2496 | if (ret) |
| 2497 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 2498 | "RM CONS resource delete failed %d", ret); |
| 2499 | } |
| 2500 | |
| 2501 | /** |
| 2502 | * hdd_ipa_send_skb_to_network() - Send skb to kernel |
| 2503 | * @skb: network buffer |
| 2504 | * @adapter: network adapter |
| 2505 | * |
| 2506 | * Called when a network buffer is received which should not be routed |
| 2507 | * to the IPA module. |
| 2508 | * |
| 2509 | * Return: None |
| 2510 | */ |
| 2511 | static void hdd_ipa_send_skb_to_network(cdf_nbuf_t skb, |
| 2512 | hdd_adapter_t *adapter) |
| 2513 | { |
| 2514 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 2515 | unsigned int cpu_index; |
| 2516 | |
| 2517 | if (!adapter || adapter->magic != WLAN_HDD_ADAPTER_MAGIC) { |
| 2518 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO_LOW, "Invalid adapter: 0x%p", |
| 2519 | adapter); |
| 2520 | HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| 2521 | cdf_nbuf_free(skb); |
| 2522 | return; |
| 2523 | } |
| 2524 | |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 2525 | if (cds_is_driver_unloading()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2526 | HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| 2527 | cdf_nbuf_free(skb); |
| 2528 | return; |
| 2529 | } |
| 2530 | |
| 2531 | skb->destructor = hdd_ipa_uc_rt_debug_destructor; |
| 2532 | skb->dev = adapter->dev; |
| 2533 | skb->protocol = eth_type_trans(skb, skb->dev); |
| 2534 | skb->ip_summed = CHECKSUM_NONE; |
| 2535 | |
| 2536 | cpu_index = wlan_hdd_get_cpu(); |
| 2537 | |
| 2538 | ++adapter->hdd_stats.hddTxRxStats.rxPackets[cpu_index]; |
| 2539 | if (netif_rx_ni(skb) == NET_RX_SUCCESS) |
| 2540 | ++adapter->hdd_stats.hddTxRxStats.rxDelivered[cpu_index]; |
| 2541 | else |
| 2542 | ++adapter->hdd_stats.hddTxRxStats.rxRefused[cpu_index]; |
| 2543 | |
| 2544 | HDD_IPA_INCREASE_NET_SEND_COUNT(hdd_ipa); |
| 2545 | adapter->dev->last_rx = jiffies; |
| 2546 | } |
| 2547 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2548 | /** |
| 2549 | * hdd_ipa_w2i_cb() - WLAN to IPA callback handler |
| 2550 | * @priv: pointer to private data registered with IPA (we register a |
| 2551 | * pointer to the global IPA context) |
| 2552 | * @evt: the IPA event which triggered the callback |
| 2553 | * @data: data associated with the event |
| 2554 | * |
| 2555 | * Return: None |
| 2556 | */ |
| 2557 | static void hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
| 2558 | unsigned long data) |
| 2559 | { |
| 2560 | struct hdd_ipa_priv *hdd_ipa = NULL; |
| 2561 | hdd_adapter_t *adapter = NULL; |
| 2562 | cdf_nbuf_t skb; |
| 2563 | uint8_t iface_id; |
| 2564 | uint8_t session_id; |
| 2565 | struct hdd_ipa_iface_context *iface_context; |
| 2566 | cdf_nbuf_t copy; |
| 2567 | uint8_t fw_desc; |
| 2568 | int ret; |
| 2569 | |
| 2570 | hdd_ipa = (struct hdd_ipa_priv *)priv; |
| 2571 | |
| 2572 | switch (evt) { |
| 2573 | case IPA_RECEIVE: |
| 2574 | skb = (cdf_nbuf_t) data; |
| 2575 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 2576 | session_id = (uint8_t)skb->cb[0]; |
| 2577 | iface_id = vdev_to_iface[session_id]; |
| 2578 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO_HIGH, |
| 2579 | "IPA_RECEIVE: session_id=%u, iface_id=%u", |
| 2580 | session_id, iface_id); |
| 2581 | } else { |
| 2582 | iface_id = HDD_IPA_GET_IFACE_ID(skb->data); |
| 2583 | } |
| 2584 | |
| 2585 | if (iface_id >= HDD_IPA_MAX_IFACE) { |
| 2586 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 2587 | "IPA_RECEIVE: Invalid iface_id: %u", |
| 2588 | iface_id); |
| 2589 | HDD_IPA_DBG_DUMP(CDF_TRACE_LEVEL_INFO_HIGH, |
| 2590 | "w2i -- skb", skb->data, 8); |
| 2591 | HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| 2592 | cdf_nbuf_free(skb); |
| 2593 | return; |
| 2594 | } |
| 2595 | |
| 2596 | iface_context = &hdd_ipa->iface_context[iface_id]; |
| 2597 | adapter = iface_context->adapter; |
| 2598 | |
| 2599 | HDD_IPA_DBG_DUMP(CDF_TRACE_LEVEL_DEBUG, |
| 2600 | "w2i -- skb", skb->data, 8); |
| 2601 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 2602 | hdd_ipa->stats.num_rx_excep++; |
| 2603 | skb_pull(skb, HDD_IPA_UC_WLAN_CLD_HDR_LEN); |
| 2604 | } else { |
| 2605 | skb_pull(skb, HDD_IPA_WLAN_CLD_HDR_LEN); |
| 2606 | } |
| 2607 | |
| 2608 | iface_context->stats.num_rx_ipa_excep++; |
| 2609 | |
| 2610 | /* Disable to forward Intra-BSS Rx packets when |
| 2611 | * ap_isolate=1 in hostapd.conf |
| 2612 | */ |
| 2613 | if (adapter->sessionCtx.ap.apDisableIntraBssFwd) { |
| 2614 | /* |
| 2615 | * When INTRA_BSS_FWD_OFFLOAD is enabled, FW will send |
| 2616 | * all Rx packets to IPA uC, which need to be forwarded |
| 2617 | * to other interface. |
| 2618 | * And, IPA driver will send back to WLAN host driver |
| 2619 | * through exception pipe with fw_desc field set by FW. |
| 2620 | * Here we are checking fw_desc field for FORWARD bit |
| 2621 | * set, and forward to Tx. Then copy to kernel stack |
| 2622 | * only when DISCARD bit is not set. |
| 2623 | */ |
| 2624 | fw_desc = (uint8_t)skb->cb[1]; |
| 2625 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 2626 | if (fw_desc & HDD_IPA_FW_RX_DESC_FORWARD_M) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2627 | HDD_IPA_LOG( |
| 2628 | CDF_TRACE_LEVEL_DEBUG, |
| 2629 | "Forward packet to Tx (fw_desc=%d)", |
| 2630 | fw_desc); |
| 2631 | copy = cdf_nbuf_copy(skb); |
| 2632 | if (copy) { |
| 2633 | hdd_ipa->ipa_tx_forward++; |
| 2634 | ret = hdd_softap_hard_start_xmit( |
| 2635 | (struct sk_buff *)copy, |
| 2636 | adapter->dev); |
| 2637 | if (ret) { |
| 2638 | HDD_IPA_LOG( |
| 2639 | CDF_TRACE_LEVEL_DEBUG, |
| 2640 | "Forward packet tx fail"); |
| 2641 | hdd_ipa->stats. |
| 2642 | num_tx_bcmc_err++; |
| 2643 | } else { |
| 2644 | hdd_ipa->stats.num_tx_bcmc++; |
| 2645 | } |
| 2646 | } |
| 2647 | } |
Mahesh Kumar Kalikot Veetil | 221dc67 | 2015-11-06 14:27:28 -0800 | [diff] [blame] | 2648 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 2649 | if (fw_desc & HDD_IPA_FW_RX_DESC_DISCARD_M) { |
Mahesh Kumar Kalikot Veetil | 221dc67 | 2015-11-06 14:27:28 -0800 | [diff] [blame] | 2650 | HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| 2651 | hdd_ipa->ipa_rx_discard++; |
| 2652 | cdf_nbuf_free(skb); |
| 2653 | break; |
| 2654 | } |
| 2655 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2656 | } else { |
| 2657 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO_HIGH, |
| 2658 | "Intra-BSS FWD is disabled-skip forward to Tx"); |
| 2659 | } |
| 2660 | |
| 2661 | hdd_ipa_send_skb_to_network(skb, adapter); |
| 2662 | break; |
| 2663 | |
| 2664 | default: |
| 2665 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 2666 | "w2i cb wrong event: 0x%x", evt); |
| 2667 | return; |
| 2668 | } |
| 2669 | } |
| 2670 | |
| 2671 | /** |
| 2672 | * hdd_ipa_nbuf_cb() - IPA TX complete callback |
| 2673 | * @skb: packet buffer which was transmitted |
| 2674 | * |
| 2675 | * Return: None |
| 2676 | */ |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 2677 | void hdd_ipa_nbuf_cb(cdf_nbuf_t skb) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2678 | { |
| 2679 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 2680 | |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 2681 | HDD_IPA_LOG(CDF_TRACE_LEVEL_DEBUG, "%p", wlan_hdd_stub_priv_to_addr(NBUF_CB_TX_IPA_PRIV(skb))); |
| 2682 | /* FIXME: This is broken; PRIV_DATA is now 31 bits */ |
| 2683 | ipa_free_skb((struct ipa_rx_data *)wlan_hdd_stub_priv_to_addr(NBUF_CB_TX_IPA_PRIV(skb))); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2684 | |
| 2685 | hdd_ipa->stats.num_tx_comp_cnt++; |
| 2686 | |
| 2687 | atomic_dec(&hdd_ipa->tx_ref_cnt); |
| 2688 | |
| 2689 | hdd_ipa_rm_try_release(hdd_ipa); |
| 2690 | } |
| 2691 | |
| 2692 | /** |
| 2693 | * hdd_ipa_send_pkt_to_tl() - Send an IPA packet to TL |
| 2694 | * @iface_context: interface-specific IPA context |
| 2695 | * @ipa_tx_desc: packet data descriptor |
| 2696 | * |
| 2697 | * Return: None |
| 2698 | */ |
| 2699 | static void hdd_ipa_send_pkt_to_tl( |
| 2700 | struct hdd_ipa_iface_context *iface_context, |
| 2701 | struct ipa_rx_data *ipa_tx_desc) |
| 2702 | { |
| 2703 | struct hdd_ipa_priv *hdd_ipa = iface_context->hdd_ipa; |
| 2704 | uint8_t interface_id; |
| 2705 | hdd_adapter_t *adapter = NULL; |
| 2706 | cdf_nbuf_t skb; |
| 2707 | |
| 2708 | cdf_spin_lock_bh(&iface_context->interface_lock); |
| 2709 | adapter = iface_context->adapter; |
| 2710 | if (!adapter) { |
| 2711 | HDD_IPA_LOG(CDF_TRACE_LEVEL_WARN, "Interface Down"); |
| 2712 | ipa_free_skb(ipa_tx_desc); |
| 2713 | iface_context->stats.num_tx_drop++; |
| 2714 | cdf_spin_unlock_bh(&iface_context->interface_lock); |
| 2715 | hdd_ipa_rm_try_release(hdd_ipa); |
| 2716 | return; |
| 2717 | } |
| 2718 | |
| 2719 | /* |
| 2720 | * During CAC period, data packets shouldn't be sent over the air so |
| 2721 | * drop all the packets here |
| 2722 | */ |
| 2723 | if (WLAN_HDD_GET_AP_CTX_PTR(adapter)->dfs_cac_block_tx) { |
| 2724 | ipa_free_skb(ipa_tx_desc); |
| 2725 | cdf_spin_unlock_bh(&iface_context->interface_lock); |
| 2726 | iface_context->stats.num_tx_cac_drop++; |
| 2727 | hdd_ipa_rm_try_release(hdd_ipa); |
| 2728 | return; |
| 2729 | } |
| 2730 | |
| 2731 | interface_id = adapter->sessionId; |
| 2732 | ++adapter->stats.tx_packets; |
| 2733 | |
| 2734 | cdf_spin_unlock_bh(&iface_context->interface_lock); |
| 2735 | |
| 2736 | skb = ipa_tx_desc->skb; |
| 2737 | |
| 2738 | cdf_mem_set(skb->cb, sizeof(skb->cb), 0); |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 2739 | cdf_nbuf_ipa_owned_set(skb); |
| 2740 | /* FIXME: This is broken. No such field in cb any more: |
| 2741 | NBUF_CALLBACK_FN(skb) = hdd_ipa_nbuf_cb; */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2742 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 2743 | cdf_nbuf_mapped_paddr_set(skb, |
| 2744 | ipa_tx_desc->dma_addr |
| 2745 | + HDD_IPA_WLAN_FRAG_HEADER |
| 2746 | + HDD_IPA_WLAN_IPA_HEADER); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2747 | ipa_tx_desc->skb->len -= |
| 2748 | HDD_IPA_WLAN_FRAG_HEADER + HDD_IPA_WLAN_IPA_HEADER; |
| 2749 | } else |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 2750 | cdf_nbuf_mapped_paddr_set(skb, ipa_tx_desc->dma_addr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2751 | |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 2752 | /* FIXME: This is broken: priv_data is 31 bits */ |
| 2753 | cdf_nbuf_ipa_priv_set(skb, wlan_hdd_stub_addr_to_priv(ipa_tx_desc)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2754 | |
| 2755 | adapter->stats.tx_bytes += ipa_tx_desc->skb->len; |
| 2756 | |
| 2757 | skb = ol_tx_send_ipa_data_frame(iface_context->tl_context, |
| 2758 | ipa_tx_desc->skb); |
| 2759 | if (skb) { |
| 2760 | HDD_IPA_LOG(CDF_TRACE_LEVEL_DEBUG, "TLSHIM tx fail"); |
| 2761 | ipa_free_skb(ipa_tx_desc); |
| 2762 | iface_context->stats.num_tx_err++; |
| 2763 | hdd_ipa_rm_try_release(hdd_ipa); |
| 2764 | return; |
| 2765 | } |
| 2766 | |
| 2767 | atomic_inc(&hdd_ipa->tx_ref_cnt); |
| 2768 | |
| 2769 | iface_context->stats.num_tx++; |
| 2770 | |
| 2771 | } |
| 2772 | |
| 2773 | /** |
| 2774 | * hdd_ipa_pm_send_pkt_to_tl() - Send queued packets to TL |
| 2775 | * @work: pointer to the scheduled work |
| 2776 | * |
| 2777 | * Called during PM resume to send packets to TL which were queued |
| 2778 | * while host was in the process of suspending. |
| 2779 | * |
| 2780 | * Return: None |
| 2781 | */ |
| 2782 | static void hdd_ipa_pm_send_pkt_to_tl(struct work_struct *work) |
| 2783 | { |
| 2784 | struct hdd_ipa_priv *hdd_ipa = container_of(work, |
| 2785 | struct hdd_ipa_priv, |
| 2786 | pm_work); |
| 2787 | struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| 2788 | cdf_nbuf_t skb; |
| 2789 | uint32_t dequeued = 0; |
| 2790 | |
| 2791 | cdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| 2792 | |
| 2793 | while (((skb = cdf_nbuf_queue_remove(&hdd_ipa->pm_queue_head)) != NULL)) { |
| 2794 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2795 | |
| 2796 | pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| 2797 | |
| 2798 | dequeued++; |
| 2799 | |
| 2800 | hdd_ipa_send_pkt_to_tl(pm_tx_cb->iface_context, |
| 2801 | pm_tx_cb->ipa_tx_desc); |
| 2802 | |
| 2803 | cdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| 2804 | } |
| 2805 | |
| 2806 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2807 | |
| 2808 | hdd_ipa->stats.num_tx_dequeued += dequeued; |
| 2809 | if (dequeued > hdd_ipa->stats.num_max_pm_queue) |
| 2810 | hdd_ipa->stats.num_max_pm_queue = dequeued; |
| 2811 | } |
| 2812 | |
| 2813 | /** |
| 2814 | * hdd_ipa_i2w_cb() - IPA to WLAN callback |
| 2815 | * @priv: pointer to private data registered with IPA (we register a |
| 2816 | * pointer to the interface-specific IPA context) |
| 2817 | * @evt: the IPA event which triggered the callback |
| 2818 | * @data: data associated with the event |
| 2819 | * |
| 2820 | * Return: None |
| 2821 | */ |
| 2822 | static void hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
| 2823 | unsigned long data) |
| 2824 | { |
| 2825 | struct hdd_ipa_priv *hdd_ipa = NULL; |
| 2826 | struct ipa_rx_data *ipa_tx_desc; |
| 2827 | struct hdd_ipa_iface_context *iface_context; |
| 2828 | cdf_nbuf_t skb; |
| 2829 | struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2830 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2831 | |
Mukul Sharma | 81661ae | 2015-10-30 20:26:02 +0530 | [diff] [blame] | 2832 | iface_context = (struct hdd_ipa_iface_context *)priv; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2833 | if (evt != IPA_RECEIVE) { |
| 2834 | skb = (cdf_nbuf_t) data; |
| 2835 | dev_kfree_skb_any(skb); |
| 2836 | iface_context->stats.num_tx_drop++; |
| 2837 | return; |
| 2838 | } |
| 2839 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2840 | ipa_tx_desc = (struct ipa_rx_data *)data; |
| 2841 | |
| 2842 | hdd_ipa = iface_context->hdd_ipa; |
| 2843 | |
| 2844 | /* |
| 2845 | * When SSR is going on or driver is unloading, just drop the packets. |
| 2846 | * During SSR, there is no use in queueing the packets as STA has to |
| 2847 | * connect back any way |
| 2848 | */ |
| 2849 | status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
| 2850 | if (0 != status) { |
| 2851 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "HDD context is not valid"); |
| 2852 | ipa_free_skb(ipa_tx_desc); |
| 2853 | iface_context->stats.num_tx_drop++; |
| 2854 | return; |
| 2855 | } |
| 2856 | |
| 2857 | skb = ipa_tx_desc->skb; |
| 2858 | |
| 2859 | HDD_IPA_DBG_DUMP(CDF_TRACE_LEVEL_DEBUG, "i2w", skb->data, 8); |
| 2860 | |
| 2861 | /* |
| 2862 | * If PROD resource is not requested here then there may be cases where |
| 2863 | * IPA hardware may be clocked down because of not having proper |
| 2864 | * dependency graph between WLAN CONS and modem PROD pipes. Adding the |
| 2865 | * workaround to request PROD resource while data is going over CONS |
| 2866 | * pipe to prevent the IPA hardware clockdown. |
| 2867 | */ |
| 2868 | hdd_ipa_rm_request(hdd_ipa); |
| 2869 | |
| 2870 | cdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| 2871 | /* |
| 2872 | * If host is still suspended then queue the packets and these will be |
| 2873 | * drained later when resume completes. When packet is arrived here and |
| 2874 | * host is suspended, this means that there is already resume is in |
| 2875 | * progress. |
| 2876 | */ |
| 2877 | if (hdd_ipa->suspended) { |
| 2878 | cdf_mem_set(skb->cb, sizeof(skb->cb), 0); |
| 2879 | pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| 2880 | pm_tx_cb->iface_context = iface_context; |
| 2881 | pm_tx_cb->ipa_tx_desc = ipa_tx_desc; |
| 2882 | cdf_nbuf_queue_add(&hdd_ipa->pm_queue_head, skb); |
| 2883 | hdd_ipa->stats.num_tx_queued++; |
| 2884 | |
| 2885 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2886 | return; |
| 2887 | } |
| 2888 | |
| 2889 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2890 | |
| 2891 | /* |
| 2892 | * If we are here means, host is not suspended, wait for the work queue |
| 2893 | * to finish. |
| 2894 | */ |
| 2895 | #ifdef WLAN_OPEN_SOURCE |
| 2896 | flush_work(&hdd_ipa->pm_work); |
| 2897 | #endif |
| 2898 | |
| 2899 | return hdd_ipa_send_pkt_to_tl(iface_context, ipa_tx_desc); |
| 2900 | } |
| 2901 | |
| 2902 | /** |
| 2903 | * hdd_ipa_suspend() - Suspend IPA |
| 2904 | * @hdd_ctx: Global HDD context |
| 2905 | * |
| 2906 | * Return: 0 on success, negativer errno on error |
| 2907 | */ |
| 2908 | int hdd_ipa_suspend(hdd_context_t *hdd_ctx) |
| 2909 | { |
| 2910 | struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| 2911 | |
| 2912 | if (!hdd_ipa_is_enabled(hdd_ctx)) |
| 2913 | return 0; |
| 2914 | |
| 2915 | /* |
| 2916 | * Check if IPA is ready for suspend, If we are here means, there is |
| 2917 | * high chance that suspend would go through but just to avoid any race |
| 2918 | * condition after suspend started, these checks are conducted before |
| 2919 | * allowing to suspend. |
| 2920 | */ |
| 2921 | if (atomic_read(&hdd_ipa->tx_ref_cnt)) |
| 2922 | return -EAGAIN; |
| 2923 | |
| 2924 | cdf_spin_lock_bh(&hdd_ipa->rm_lock); |
| 2925 | |
| 2926 | if (hdd_ipa->rm_state != HDD_IPA_RM_RELEASED) { |
| 2927 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2928 | return -EAGAIN; |
| 2929 | } |
| 2930 | cdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
| 2931 | |
| 2932 | cdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| 2933 | hdd_ipa->suspended = true; |
| 2934 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2935 | |
| 2936 | return 0; |
| 2937 | } |
| 2938 | |
| 2939 | /** |
| 2940 | * hdd_ipa_resume() - Resume IPA following suspend |
| 2941 | * hdd_ctx: Global HDD context |
| 2942 | * |
| 2943 | * Return: 0 on success, negative errno on error |
| 2944 | */ |
| 2945 | int hdd_ipa_resume(hdd_context_t *hdd_ctx) |
| 2946 | { |
| 2947 | struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| 2948 | |
| 2949 | if (!hdd_ipa_is_enabled(hdd_ctx)) |
| 2950 | return 0; |
| 2951 | |
| 2952 | schedule_work(&hdd_ipa->pm_work); |
| 2953 | |
| 2954 | cdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| 2955 | hdd_ipa->suspended = false; |
| 2956 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2957 | |
| 2958 | return 0; |
| 2959 | } |
| 2960 | |
| 2961 | /** |
| 2962 | * hdd_ipa_setup_sys_pipe() - Setup all IPA Sys pipes |
| 2963 | * @hdd_ipa: Global HDD IPA context |
| 2964 | * |
| 2965 | * Return: 0 on success, negative errno on error |
| 2966 | */ |
| 2967 | static int hdd_ipa_setup_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| 2968 | { |
| 2969 | int i, ret = 0; |
| 2970 | struct ipa_sys_connect_params *ipa; |
| 2971 | uint32_t desc_fifo_sz; |
| 2972 | |
| 2973 | /* The maximum number of descriptors that can be provided to a BAM at |
| 2974 | * once is one less than the total number of descriptors that the buffer |
| 2975 | * can contain. |
| 2976 | * If max_num_of_descriptors = (BAM_PIPE_DESCRIPTOR_FIFO_SIZE / sizeof |
| 2977 | * (SPS_DESCRIPTOR)), then (max_num_of_descriptors - 1) descriptors can |
| 2978 | * be provided at once. |
| 2979 | * Because of above requirement, one extra descriptor will be added to |
| 2980 | * make sure hardware always has one descriptor. |
| 2981 | */ |
| 2982 | desc_fifo_sz = hdd_ipa->hdd_ctx->config->IpaDescSize |
| 2983 | + sizeof(struct sps_iovec); |
| 2984 | |
| 2985 | /*setup TX pipes */ |
| 2986 | for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| 2987 | ipa = &hdd_ipa->sys_pipe[i].ipa_sys_params; |
| 2988 | |
| 2989 | ipa->client = hdd_ipa_adapter_2_client[i].cons_client; |
| 2990 | ipa->desc_fifo_sz = desc_fifo_sz; |
| 2991 | ipa->priv = &hdd_ipa->iface_context[i]; |
| 2992 | ipa->notify = hdd_ipa_i2w_cb; |
| 2993 | |
| 2994 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| 2995 | ipa->ipa_ep_cfg.hdr.hdr_len = |
| 2996 | HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| 2997 | ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 2998 | ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| 2999 | ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| 3000 | ipa->ipa_ep_cfg.hdr.hdr_additional_const_len = |
| 3001 | HDD_IPA_UC_WLAN_8023_HDR_SIZE; |
| 3002 | ipa->ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| 3003 | } else { |
| 3004 | ipa->ipa_ep_cfg.hdr.hdr_len = HDD_IPA_WLAN_TX_HDR_LEN; |
| 3005 | } |
| 3006 | ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 3007 | |
| 3008 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 3009 | ipa->keep_ipa_awake = 1; |
| 3010 | |
| 3011 | ret = ipa_setup_sys_pipe(ipa, &(hdd_ipa->sys_pipe[i].conn_hdl)); |
| 3012 | if (ret) { |
| 3013 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "Failed for pipe %d" |
| 3014 | " ret: %d", i, ret); |
| 3015 | goto setup_sys_pipe_fail; |
| 3016 | } |
| 3017 | hdd_ipa->sys_pipe[i].conn_hdl_valid = 1; |
| 3018 | } |
| 3019 | |
| 3020 | if (!hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3021 | /* |
| 3022 | * Hard code it here, this can be extended if in case |
| 3023 | * PROD pipe is also per interface. |
| 3024 | * Right now there is no advantage of doing this. |
| 3025 | */ |
| 3026 | hdd_ipa->prod_client = IPA_CLIENT_WLAN1_PROD; |
| 3027 | |
| 3028 | ipa = &hdd_ipa->sys_pipe[HDD_IPA_RX_PIPE].ipa_sys_params; |
| 3029 | |
| 3030 | ipa->client = hdd_ipa->prod_client; |
| 3031 | |
| 3032 | ipa->desc_fifo_sz = desc_fifo_sz; |
| 3033 | ipa->priv = hdd_ipa; |
| 3034 | ipa->notify = hdd_ipa_w2i_cb; |
| 3035 | |
| 3036 | ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 3037 | ipa->ipa_ep_cfg.hdr.hdr_len = HDD_IPA_WLAN_RX_HDR_LEN; |
| 3038 | ipa->ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 1; |
| 3039 | ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 3040 | |
| 3041 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 3042 | ipa->keep_ipa_awake = 1; |
| 3043 | |
| 3044 | ret = ipa_setup_sys_pipe(ipa, &(hdd_ipa->sys_pipe[i].conn_hdl)); |
| 3045 | if (ret) { |
| 3046 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3047 | "Failed for RX pipe: %d", ret); |
| 3048 | goto setup_sys_pipe_fail; |
| 3049 | } |
| 3050 | hdd_ipa->sys_pipe[HDD_IPA_RX_PIPE].conn_hdl_valid = 1; |
| 3051 | } |
| 3052 | |
| 3053 | return ret; |
| 3054 | |
| 3055 | setup_sys_pipe_fail: |
| 3056 | |
| 3057 | while (--i >= 0) { |
| 3058 | ipa_teardown_sys_pipe(hdd_ipa->sys_pipe[i].conn_hdl); |
| 3059 | cdf_mem_zero(&hdd_ipa->sys_pipe[i], |
| 3060 | sizeof(struct hdd_ipa_sys_pipe)); |
| 3061 | } |
| 3062 | |
| 3063 | return ret; |
| 3064 | } |
| 3065 | |
| 3066 | /** |
| 3067 | * hdd_ipa_teardown_sys_pipe() - Tear down all IPA Sys pipes |
| 3068 | * @hdd_ipa: Global HDD IPA context |
| 3069 | * |
| 3070 | * Return: None |
| 3071 | */ |
| 3072 | static void hdd_ipa_teardown_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| 3073 | { |
| 3074 | int ret = 0, i; |
| 3075 | for (i = 0; i < HDD_IPA_MAX_SYSBAM_PIPE; i++) { |
| 3076 | if (hdd_ipa->sys_pipe[i].conn_hdl_valid) { |
| 3077 | ret = |
| 3078 | ipa_teardown_sys_pipe(hdd_ipa->sys_pipe[i]. |
| 3079 | conn_hdl); |
| 3080 | if (ret) |
| 3081 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "Failed: %d", |
| 3082 | ret); |
| 3083 | |
| 3084 | hdd_ipa->sys_pipe[i].conn_hdl_valid = 0; |
| 3085 | } |
| 3086 | } |
| 3087 | } |
| 3088 | |
| 3089 | /** |
| 3090 | * hdd_ipa_register_interface() - register IPA interface |
| 3091 | * @hdd_ipa: Global IPA context |
| 3092 | * @iface_context: Per-interface IPA context |
| 3093 | * |
| 3094 | * Return: 0 on success, negative errno on error |
| 3095 | */ |
| 3096 | static int hdd_ipa_register_interface(struct hdd_ipa_priv *hdd_ipa, |
| 3097 | struct hdd_ipa_iface_context |
| 3098 | *iface_context) |
| 3099 | { |
| 3100 | struct ipa_tx_intf tx_intf; |
| 3101 | struct ipa_rx_intf rx_intf; |
| 3102 | struct ipa_ioc_tx_intf_prop *tx_prop = NULL; |
| 3103 | struct ipa_ioc_rx_intf_prop *rx_prop = NULL; |
| 3104 | char *ifname = iface_context->adapter->dev->name; |
| 3105 | |
| 3106 | char ipv4_hdr_name[IPA_RESOURCE_NAME_MAX]; |
| 3107 | char ipv6_hdr_name[IPA_RESOURCE_NAME_MAX]; |
| 3108 | |
| 3109 | int num_prop = 1; |
| 3110 | int ret = 0; |
| 3111 | |
| 3112 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) |
| 3113 | num_prop++; |
| 3114 | |
| 3115 | /* Allocate TX properties for TOS categories, 1 each for IPv4 & IPv6 */ |
| 3116 | tx_prop = |
| 3117 | cdf_mem_malloc(sizeof(struct ipa_ioc_tx_intf_prop) * num_prop); |
| 3118 | if (!tx_prop) { |
| 3119 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "tx_prop allocation failed"); |
| 3120 | goto register_interface_fail; |
| 3121 | } |
| 3122 | |
| 3123 | /* Allocate RX properties, 1 each for IPv4 & IPv6 */ |
| 3124 | rx_prop = |
| 3125 | cdf_mem_malloc(sizeof(struct ipa_ioc_rx_intf_prop) * num_prop); |
| 3126 | if (!rx_prop) { |
| 3127 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "rx_prop allocation failed"); |
| 3128 | goto register_interface_fail; |
| 3129 | } |
| 3130 | |
| 3131 | cdf_mem_zero(&tx_intf, sizeof(tx_intf)); |
| 3132 | cdf_mem_zero(&rx_intf, sizeof(rx_intf)); |
| 3133 | |
| 3134 | snprintf(ipv4_hdr_name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3135 | ifname, HDD_IPA_IPV4_NAME_EXT); |
| 3136 | snprintf(ipv6_hdr_name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3137 | ifname, HDD_IPA_IPV6_NAME_EXT); |
| 3138 | |
| 3139 | rx_prop[IPA_IP_v4].ip = IPA_IP_v4; |
| 3140 | rx_prop[IPA_IP_v4].src_pipe = iface_context->prod_client; |
| 3141 | rx_prop[IPA_IP_v4].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| 3142 | rx_prop[IPA_IP_v4].attrib.attrib_mask = IPA_FLT_META_DATA; |
| 3143 | |
| 3144 | /* |
| 3145 | * Interface ID is 3rd byte in the CLD header. Add the meta data and |
| 3146 | * mask to identify the interface in IPA hardware |
| 3147 | */ |
| 3148 | rx_prop[IPA_IP_v4].attrib.meta_data = |
| 3149 | htonl(iface_context->adapter->sessionId << 16); |
| 3150 | rx_prop[IPA_IP_v4].attrib.meta_data_mask = htonl(0x00FF0000); |
| 3151 | |
| 3152 | rx_intf.num_props++; |
| 3153 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| 3154 | rx_prop[IPA_IP_v6].ip = IPA_IP_v6; |
| 3155 | rx_prop[IPA_IP_v6].src_pipe = iface_context->prod_client; |
| 3156 | rx_prop[IPA_IP_v6].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| 3157 | rx_prop[IPA_IP_v4].attrib.attrib_mask = IPA_FLT_META_DATA; |
| 3158 | rx_prop[IPA_IP_v4].attrib.meta_data = |
| 3159 | htonl(iface_context->adapter->sessionId << 16); |
| 3160 | rx_prop[IPA_IP_v4].attrib.meta_data_mask = htonl(0x00FF0000); |
| 3161 | |
| 3162 | rx_intf.num_props++; |
| 3163 | } |
| 3164 | |
| 3165 | tx_prop[IPA_IP_v4].ip = IPA_IP_v4; |
| 3166 | tx_prop[IPA_IP_v4].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| 3167 | tx_prop[IPA_IP_v4].dst_pipe = IPA_CLIENT_WLAN1_CONS; |
| 3168 | tx_prop[IPA_IP_v4].alt_dst_pipe = iface_context->cons_client; |
| 3169 | strlcpy(tx_prop[IPA_IP_v4].hdr_name, ipv4_hdr_name, |
| 3170 | IPA_RESOURCE_NAME_MAX); |
| 3171 | tx_intf.num_props++; |
| 3172 | |
| 3173 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| 3174 | tx_prop[IPA_IP_v6].ip = IPA_IP_v6; |
| 3175 | tx_prop[IPA_IP_v6].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| 3176 | tx_prop[IPA_IP_v6].dst_pipe = IPA_CLIENT_WLAN1_CONS; |
| 3177 | tx_prop[IPA_IP_v6].alt_dst_pipe = iface_context->cons_client; |
| 3178 | strlcpy(tx_prop[IPA_IP_v6].hdr_name, ipv6_hdr_name, |
| 3179 | IPA_RESOURCE_NAME_MAX); |
| 3180 | tx_intf.num_props++; |
| 3181 | } |
| 3182 | |
| 3183 | tx_intf.prop = tx_prop; |
| 3184 | rx_intf.prop = rx_prop; |
| 3185 | |
| 3186 | /* Call the ipa api to register interface */ |
| 3187 | ret = ipa_register_intf(ifname, &tx_intf, &rx_intf); |
| 3188 | |
| 3189 | register_interface_fail: |
| 3190 | cdf_mem_free(tx_prop); |
| 3191 | cdf_mem_free(rx_prop); |
| 3192 | return ret; |
| 3193 | } |
| 3194 | |
| 3195 | /** |
| 3196 | * hdd_remove_ipa_header() - Remove a specific header from IPA |
| 3197 | * @name: Name of the header to be removed |
| 3198 | * |
| 3199 | * Return: None |
| 3200 | */ |
| 3201 | static void hdd_ipa_remove_header(char *name) |
| 3202 | { |
| 3203 | struct ipa_ioc_get_hdr hdrlookup; |
| 3204 | int ret = 0, len; |
| 3205 | struct ipa_ioc_del_hdr *ipa_hdr; |
| 3206 | |
| 3207 | cdf_mem_zero(&hdrlookup, sizeof(hdrlookup)); |
| 3208 | strlcpy(hdrlookup.name, name, sizeof(hdrlookup.name)); |
| 3209 | ret = ipa_get_hdr(&hdrlookup); |
| 3210 | if (ret) { |
| 3211 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "Hdr deleted already %s, %d", |
| 3212 | name, ret); |
| 3213 | return; |
| 3214 | } |
| 3215 | |
| 3216 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "hdl: 0x%x", hdrlookup.hdl); |
| 3217 | len = sizeof(struct ipa_ioc_del_hdr) + sizeof(struct ipa_hdr_del) * 1; |
| 3218 | ipa_hdr = (struct ipa_ioc_del_hdr *)cdf_mem_malloc(len); |
| 3219 | if (ipa_hdr == NULL) { |
| 3220 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "ipa_hdr allocation failed"); |
| 3221 | return; |
| 3222 | } |
| 3223 | ipa_hdr->num_hdls = 1; |
| 3224 | ipa_hdr->commit = 0; |
| 3225 | ipa_hdr->hdl[0].hdl = hdrlookup.hdl; |
| 3226 | ipa_hdr->hdl[0].status = -1; |
| 3227 | ret = ipa_del_hdr(ipa_hdr); |
| 3228 | if (ret != 0) |
| 3229 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "Delete header failed: %d", |
| 3230 | ret); |
| 3231 | |
| 3232 | cdf_mem_free(ipa_hdr); |
| 3233 | } |
| 3234 | |
| 3235 | /** |
| 3236 | * hdd_ipa_add_header_info() - Add IPA header for a given interface |
| 3237 | * @hdd_ipa: Global HDD IPA context |
| 3238 | * @iface_context: Interface-specific HDD IPA context |
| 3239 | * @mac_addr: Interface MAC address |
| 3240 | * |
| 3241 | * Return: 0 on success, negativer errno value on error |
| 3242 | */ |
| 3243 | static int hdd_ipa_add_header_info(struct hdd_ipa_priv *hdd_ipa, |
| 3244 | struct hdd_ipa_iface_context *iface_context, |
| 3245 | uint8_t *mac_addr) |
| 3246 | { |
| 3247 | hdd_adapter_t *adapter = iface_context->adapter; |
| 3248 | char *ifname; |
| 3249 | struct ipa_ioc_add_hdr *ipa_hdr = NULL; |
| 3250 | int ret = -EINVAL; |
| 3251 | struct hdd_ipa_tx_hdr *tx_hdr = NULL; |
| 3252 | struct hdd_ipa_uc_tx_hdr *uc_tx_hdr = NULL; |
| 3253 | |
| 3254 | ifname = adapter->dev->name; |
| 3255 | |
| 3256 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "Add Partial hdr: %s, %pM", |
| 3257 | ifname, mac_addr); |
| 3258 | |
| 3259 | /* dynamically allocate the memory to add the hdrs */ |
| 3260 | ipa_hdr = cdf_mem_malloc(sizeof(struct ipa_ioc_add_hdr) |
| 3261 | + sizeof(struct ipa_hdr_add)); |
| 3262 | if (!ipa_hdr) { |
| 3263 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3264 | "%s: ipa_hdr allocation failed", ifname); |
| 3265 | ret = -ENOMEM; |
| 3266 | goto end; |
| 3267 | } |
| 3268 | |
| 3269 | ipa_hdr->commit = 0; |
| 3270 | ipa_hdr->num_hdrs = 1; |
| 3271 | |
| 3272 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3273 | uc_tx_hdr = (struct hdd_ipa_uc_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| 3274 | memcpy(uc_tx_hdr, &ipa_uc_tx_hdr, HDD_IPA_UC_WLAN_TX_HDR_LEN); |
| 3275 | memcpy(uc_tx_hdr->eth.h_source, mac_addr, ETH_ALEN); |
| 3276 | uc_tx_hdr->ipa_hd.vdev_id = iface_context->adapter->sessionId; |
| 3277 | HDD_IPA_LOG(CDF_TRACE_LEVEL_DEBUG, |
| 3278 | "ifname=%s, vdev_id=%d", |
| 3279 | ifname, uc_tx_hdr->ipa_hd.vdev_id); |
| 3280 | snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3281 | ifname, HDD_IPA_IPV4_NAME_EXT); |
| 3282 | ipa_hdr->hdr[0].hdr_len = HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| 3283 | ipa_hdr->hdr[0].type = IPA_HDR_L2_ETHERNET_II; |
| 3284 | ipa_hdr->hdr[0].is_partial = 1; |
| 3285 | ipa_hdr->hdr[0].hdr_hdl = 0; |
| 3286 | ipa_hdr->hdr[0].is_eth2_ofst_valid = 1; |
| 3287 | ipa_hdr->hdr[0].eth2_ofst = HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET; |
| 3288 | |
| 3289 | ret = ipa_add_hdr(ipa_hdr); |
| 3290 | } else { |
| 3291 | tx_hdr = (struct hdd_ipa_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| 3292 | |
| 3293 | /* Set the Source MAC */ |
| 3294 | memcpy(tx_hdr, &ipa_tx_hdr, HDD_IPA_WLAN_TX_HDR_LEN); |
| 3295 | memcpy(tx_hdr->eth.h_source, mac_addr, ETH_ALEN); |
| 3296 | |
| 3297 | snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3298 | ifname, HDD_IPA_IPV4_NAME_EXT); |
| 3299 | ipa_hdr->hdr[0].hdr_len = HDD_IPA_WLAN_TX_HDR_LEN; |
| 3300 | ipa_hdr->hdr[0].is_partial = 1; |
| 3301 | ipa_hdr->hdr[0].hdr_hdl = 0; |
| 3302 | ipa_hdr->hdr[0].is_eth2_ofst_valid = 1; |
| 3303 | ipa_hdr->hdr[0].eth2_ofst = HDD_IPA_WLAN_HDR_DES_MAC_OFFSET; |
| 3304 | |
| 3305 | /* Set the type to IPV4 in the header */ |
| 3306 | tx_hdr->llc_snap.eth_type = cpu_to_be16(ETH_P_IP); |
| 3307 | |
| 3308 | ret = ipa_add_hdr(ipa_hdr); |
| 3309 | } |
| 3310 | if (ret) { |
| 3311 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "%s IPv4 add hdr failed: %d", |
| 3312 | ifname, ret); |
| 3313 | goto end; |
| 3314 | } |
| 3315 | |
| 3316 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: IPv4 hdr_hdl: 0x%x", |
| 3317 | ipa_hdr->hdr[0].name, ipa_hdr->hdr[0].hdr_hdl); |
| 3318 | |
| 3319 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| 3320 | snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3321 | ifname, HDD_IPA_IPV6_NAME_EXT); |
| 3322 | |
| 3323 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3324 | uc_tx_hdr = |
| 3325 | (struct hdd_ipa_uc_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| 3326 | uc_tx_hdr->eth.h_proto = cpu_to_be16(ETH_P_IPV6); |
| 3327 | } else { |
| 3328 | /* Set the type to IPV6 in the header */ |
| 3329 | tx_hdr = (struct hdd_ipa_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| 3330 | tx_hdr->llc_snap.eth_type = cpu_to_be16(ETH_P_IPV6); |
| 3331 | } |
| 3332 | |
| 3333 | ret = ipa_add_hdr(ipa_hdr); |
| 3334 | if (ret) { |
| 3335 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3336 | "%s: IPv6 add hdr failed: %d", ifname, ret); |
| 3337 | goto clean_ipv4_hdr; |
| 3338 | } |
| 3339 | |
| 3340 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: IPv6 hdr_hdl: 0x%x", |
| 3341 | ipa_hdr->hdr[0].name, ipa_hdr->hdr[0].hdr_hdl); |
| 3342 | } |
| 3343 | |
| 3344 | cdf_mem_free(ipa_hdr); |
| 3345 | |
| 3346 | return ret; |
| 3347 | |
| 3348 | clean_ipv4_hdr: |
| 3349 | snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3350 | ifname, HDD_IPA_IPV4_NAME_EXT); |
| 3351 | hdd_ipa_remove_header(ipa_hdr->hdr[0].name); |
| 3352 | end: |
| 3353 | if (ipa_hdr) |
| 3354 | cdf_mem_free(ipa_hdr); |
| 3355 | |
| 3356 | return ret; |
| 3357 | } |
| 3358 | |
| 3359 | /** |
| 3360 | * hdd_ipa_clean_hdr() - Cleanup IPA on a given adapter |
| 3361 | * @adapter: Adapter upon which IPA was previously configured |
| 3362 | * |
| 3363 | * Return: None |
| 3364 | */ |
| 3365 | static void hdd_ipa_clean_hdr(hdd_adapter_t *adapter) |
| 3366 | { |
| 3367 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 3368 | int ret; |
| 3369 | char name_ipa[IPA_RESOURCE_NAME_MAX]; |
| 3370 | |
| 3371 | /* Remove the headers */ |
| 3372 | snprintf(name_ipa, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3373 | adapter->dev->name, HDD_IPA_IPV4_NAME_EXT); |
| 3374 | hdd_ipa_remove_header(name_ipa); |
| 3375 | |
| 3376 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| 3377 | snprintf(name_ipa, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3378 | adapter->dev->name, HDD_IPA_IPV6_NAME_EXT); |
| 3379 | hdd_ipa_remove_header(name_ipa); |
| 3380 | } |
| 3381 | /* unregister the interface with IPA */ |
| 3382 | ret = ipa_deregister_intf(adapter->dev->name); |
| 3383 | if (ret) |
| 3384 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 3385 | "%s: ipa_deregister_intf fail: %d", |
| 3386 | adapter->dev->name, ret); |
| 3387 | } |
| 3388 | |
| 3389 | /** |
| 3390 | * hdd_ipa_cleanup_iface() - Cleanup IPA on a given interface |
| 3391 | * @iface_context: interface-specific IPA context |
| 3392 | * |
| 3393 | * Return: None |
| 3394 | */ |
| 3395 | static void hdd_ipa_cleanup_iface(struct hdd_ipa_iface_context *iface_context) |
| 3396 | { |
| 3397 | if (iface_context == NULL) |
| 3398 | return; |
| 3399 | |
| 3400 | hdd_ipa_clean_hdr(iface_context->adapter); |
| 3401 | |
| 3402 | cdf_spin_lock_bh(&iface_context->interface_lock); |
| 3403 | iface_context->adapter->ipa_context = NULL; |
| 3404 | iface_context->adapter = NULL; |
| 3405 | iface_context->tl_context = NULL; |
| 3406 | cdf_spin_unlock_bh(&iface_context->interface_lock); |
| 3407 | iface_context->ifa_address = 0; |
| 3408 | if (!iface_context->hdd_ipa->num_iface) { |
| 3409 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3410 | "NUM INTF 0, Invalid"); |
| 3411 | CDF_ASSERT(0); |
| 3412 | } |
| 3413 | iface_context->hdd_ipa->num_iface--; |
| 3414 | } |
| 3415 | |
| 3416 | /** |
| 3417 | * hdd_ipa_setup_iface() - Setup IPA on a given interface |
| 3418 | * @hdd_ipa: HDD IPA global context |
| 3419 | * @adapter: Interface upon which IPA is being setup |
| 3420 | * @sta_id: Station ID of the API instance |
| 3421 | * |
| 3422 | * Return: 0 on success, negative errno value on error |
| 3423 | */ |
| 3424 | static int hdd_ipa_setup_iface(struct hdd_ipa_priv *hdd_ipa, |
| 3425 | hdd_adapter_t *adapter, uint8_t sta_id) |
| 3426 | { |
| 3427 | struct hdd_ipa_iface_context *iface_context = NULL; |
| 3428 | void *tl_context = NULL; |
| 3429 | int i, ret = 0; |
| 3430 | |
| 3431 | /* Lower layer may send multiple START_BSS_EVENT in DFS mode or during |
| 3432 | * channel change indication. Since these indications are sent by lower |
| 3433 | * layer as SAP updates and IPA doesn't have to do anything for these |
| 3434 | * updates so ignoring! |
| 3435 | */ |
| 3436 | if (WLAN_HDD_SOFTAP == adapter->device_mode && adapter->ipa_context) |
| 3437 | return 0; |
| 3438 | |
| 3439 | for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| 3440 | if (hdd_ipa->iface_context[i].adapter == NULL) { |
| 3441 | iface_context = &(hdd_ipa->iface_context[i]); |
| 3442 | break; |
| 3443 | } |
| 3444 | } |
| 3445 | |
| 3446 | if (iface_context == NULL) { |
| 3447 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3448 | "All the IPA interfaces are in use"); |
| 3449 | ret = -ENOMEM; |
| 3450 | goto end; |
| 3451 | } |
| 3452 | |
| 3453 | adapter->ipa_context = iface_context; |
| 3454 | iface_context->adapter = adapter; |
| 3455 | iface_context->sta_id = sta_id; |
| 3456 | tl_context = ol_txrx_get_vdev_by_sta_id(sta_id); |
| 3457 | |
| 3458 | if (tl_context == NULL) { |
| 3459 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3460 | "Not able to get TL context sta_id: %d", sta_id); |
| 3461 | ret = -EINVAL; |
| 3462 | goto end; |
| 3463 | } |
| 3464 | |
| 3465 | iface_context->tl_context = tl_context; |
| 3466 | |
| 3467 | ret = hdd_ipa_add_header_info(hdd_ipa, iface_context, |
| 3468 | adapter->dev->dev_addr); |
| 3469 | |
| 3470 | if (ret) |
| 3471 | goto end; |
| 3472 | |
| 3473 | /* Configure the TX and RX pipes filter rules */ |
| 3474 | ret = hdd_ipa_register_interface(hdd_ipa, iface_context); |
| 3475 | if (ret) |
| 3476 | goto cleanup_header; |
| 3477 | |
| 3478 | hdd_ipa->num_iface++; |
| 3479 | return ret; |
| 3480 | |
| 3481 | cleanup_header: |
| 3482 | |
| 3483 | hdd_ipa_clean_hdr(adapter); |
| 3484 | end: |
| 3485 | if (iface_context) |
| 3486 | hdd_ipa_cleanup_iface(iface_context); |
| 3487 | return ret; |
| 3488 | } |
| 3489 | |
| 3490 | /** |
| 3491 | * hdd_ipa_msg_free_fn() - Free an IPA message |
| 3492 | * @buff: pointer to the IPA message |
| 3493 | * @len: length of the IPA message |
| 3494 | * @type: type of IPA message |
| 3495 | * |
| 3496 | * Return: None |
| 3497 | */ |
| 3498 | static void hdd_ipa_msg_free_fn(void *buff, uint32_t len, uint32_t type) |
| 3499 | { |
| 3500 | hddLog(LOG1, "msg type:%d, len:%d", type, len); |
| 3501 | ghdd_ipa->stats.num_free_msg++; |
| 3502 | cdf_mem_free(buff); |
| 3503 | } |
| 3504 | |
| 3505 | /** |
| 3506 | * hdd_ipa_send_mcc_scc_msg() - send IPA WLAN_SWITCH_TO_MCC/SCC message |
| 3507 | * @mcc_mode: 0=MCC/1=SCC |
| 3508 | * |
| 3509 | * Return: 0 on success, negative errno value on error |
| 3510 | */ |
| 3511 | int hdd_ipa_send_mcc_scc_msg(hdd_context_t *pHddCtx, bool mcc_mode) |
| 3512 | { |
| 3513 | hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3514 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3515 | hdd_adapter_t *pAdapter; |
| 3516 | struct ipa_msg_meta meta; |
| 3517 | struct ipa_wlan_msg *msg; |
| 3518 | int ret; |
| 3519 | |
| 3520 | if (!hdd_ipa_uc_sta_is_enabled(pHddCtx)) |
| 3521 | return -EINVAL; |
| 3522 | |
| 3523 | if (!pHddCtx->mcc_mode) { |
| 3524 | /* Flush TxRx queue for each adapter before switch to SCC */ |
| 3525 | status = hdd_get_front_adapter(pHddCtx, &adapter_node); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3526 | while (NULL != adapter_node && QDF_STATUS_SUCCESS == status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3527 | pAdapter = adapter_node->pAdapter; |
| 3528 | if (pAdapter->device_mode == WLAN_HDD_INFRA_STATION || |
| 3529 | pAdapter->device_mode == WLAN_HDD_SOFTAP) { |
| 3530 | hddLog(CDF_TRACE_LEVEL_INFO, |
| 3531 | "MCC->SCC: Flush TxRx queue(d_mode=%d)", |
| 3532 | pAdapter->device_mode); |
| 3533 | hdd_deinit_tx_rx(pAdapter); |
| 3534 | } |
| 3535 | status = hdd_get_next_adapter( |
| 3536 | pHddCtx, adapter_node, &next); |
| 3537 | adapter_node = next; |
| 3538 | } |
| 3539 | } |
| 3540 | |
| 3541 | /* Send SCC/MCC Switching event to IPA */ |
| 3542 | meta.msg_len = sizeof(*msg); |
| 3543 | msg = cdf_mem_malloc(meta.msg_len); |
| 3544 | if (msg == NULL) { |
| 3545 | hddLog(LOGE, "msg allocation failed"); |
| 3546 | return -ENOMEM; |
| 3547 | } |
| 3548 | |
| 3549 | meta.msg_type = mcc_mode ? |
| 3550 | WLAN_SWITCH_TO_MCC : WLAN_SWITCH_TO_SCC; |
| 3551 | hddLog(LOG1, "ipa_send_msg(Evt:%d)", meta.msg_type); |
| 3552 | |
| 3553 | ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| 3554 | |
| 3555 | if (ret) { |
| 3556 | hddLog(LOGE, "ipa_send_msg(Evt:%d) - fail=%d", |
| 3557 | meta.msg_type, ret); |
| 3558 | cdf_mem_free(msg); |
| 3559 | } |
| 3560 | |
| 3561 | return ret; |
| 3562 | } |
| 3563 | |
| 3564 | /** |
| 3565 | * hdd_ipa_wlan_event_to_str() - convert IPA WLAN event to string |
| 3566 | * @event: IPA WLAN event to be converted to a string |
| 3567 | * |
| 3568 | * Return: ASCII string representing the IPA WLAN event |
| 3569 | */ |
| 3570 | static inline char *hdd_ipa_wlan_event_to_str(enum ipa_wlan_event event) |
| 3571 | { |
| 3572 | switch (event) { |
| 3573 | case WLAN_CLIENT_CONNECT: |
| 3574 | return "WLAN_CLIENT_CONNECT"; |
| 3575 | case WLAN_CLIENT_DISCONNECT: |
| 3576 | return "WLAN_CLIENT_DISCONNECT"; |
| 3577 | case WLAN_CLIENT_POWER_SAVE_MODE: |
| 3578 | return "WLAN_CLIENT_POWER_SAVE_MODE"; |
| 3579 | case WLAN_CLIENT_NORMAL_MODE: |
| 3580 | return "WLAN_CLIENT_NORMAL_MODE"; |
| 3581 | case SW_ROUTING_ENABLE: |
| 3582 | return "SW_ROUTING_ENABLE"; |
| 3583 | case SW_ROUTING_DISABLE: |
| 3584 | return "SW_ROUTING_DISABLE"; |
| 3585 | case WLAN_AP_CONNECT: |
| 3586 | return "WLAN_AP_CONNECT"; |
| 3587 | case WLAN_AP_DISCONNECT: |
| 3588 | return "WLAN_AP_DISCONNECT"; |
| 3589 | case WLAN_STA_CONNECT: |
| 3590 | return "WLAN_STA_CONNECT"; |
| 3591 | case WLAN_STA_DISCONNECT: |
| 3592 | return "WLAN_STA_DISCONNECT"; |
| 3593 | case WLAN_CLIENT_CONNECT_EX: |
| 3594 | return "WLAN_CLIENT_CONNECT_EX"; |
| 3595 | |
| 3596 | case IPA_WLAN_EVENT_MAX: |
| 3597 | default: |
| 3598 | return "UNKNOWN"; |
| 3599 | } |
| 3600 | } |
| 3601 | |
| 3602 | /** |
| 3603 | * hdd_ipa_wlan_evt() - IPA event handler |
| 3604 | * @adapter: adapter upon which the event was received |
| 3605 | * @sta_id: station id for the event |
| 3606 | * @type: the event type |
| 3607 | * @mac_address: MAC address associated with the event |
| 3608 | * |
| 3609 | * Return: 0 on success, negative errno value on error |
| 3610 | */ |
| 3611 | int hdd_ipa_wlan_evt(hdd_adapter_t *adapter, uint8_t sta_id, |
| 3612 | enum ipa_wlan_event type, uint8_t *mac_addr) |
| 3613 | { |
| 3614 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 3615 | struct ipa_msg_meta meta; |
| 3616 | struct ipa_wlan_msg *msg; |
| 3617 | struct ipa_wlan_msg_ex *msg_ex = NULL; |
| 3618 | int ret; |
| 3619 | |
| 3620 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: %s evt, MAC: %pM sta_id: %d", |
| 3621 | adapter->dev->name, hdd_ipa_wlan_event_to_str(type), |
| 3622 | mac_addr, sta_id); |
| 3623 | |
| 3624 | if (type >= IPA_WLAN_EVENT_MAX) |
| 3625 | return -EINVAL; |
| 3626 | |
| 3627 | if (WARN_ON(is_zero_ether_addr(mac_addr))) |
| 3628 | return -EINVAL; |
| 3629 | |
| 3630 | if (!hdd_ipa || !hdd_ipa_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3631 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "IPA OFFLOAD NOT ENABLED"); |
| 3632 | return -EINVAL; |
| 3633 | } |
| 3634 | |
| 3635 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx) && |
| 3636 | !hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| 3637 | (WLAN_HDD_SOFTAP != adapter->device_mode)) { |
| 3638 | return 0; |
| 3639 | } |
| 3640 | |
| 3641 | /* |
| 3642 | * During IPA UC resource loading/unloading new events can be issued. |
| 3643 | * Store the events separately and handle them later. |
| 3644 | */ |
| 3645 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx) && |
| 3646 | ((hdd_ipa->resource_loading) || |
| 3647 | (hdd_ipa->resource_unloading))) { |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 3648 | unsigned int pending_event_count; |
| 3649 | struct ipa_uc_pending_event *pending_event = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3650 | |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 3651 | hdd_err("IPA resource %s inprogress", |
| 3652 | hdd_ipa->resource_loading ? "load":"unload"); |
| 3653 | |
| 3654 | cdf_mutex_acquire(&hdd_ipa->event_lock); |
| 3655 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 3656 | pending_event_count = qdf_list_size(&hdd_ipa->pending_event); |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 3657 | if (pending_event_count >= HDD_IPA_MAX_PENDING_EVENT_COUNT) { |
| 3658 | hdd_notice("Reached max pending event count"); |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 3659 | qdf_list_remove_front(&hdd_ipa->pending_event, |
| 3660 | (qdf_list_node_t **)&pending_event); |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 3661 | } else { |
| 3662 | pending_event = |
| 3663 | (struct ipa_uc_pending_event *)cdf_mem_malloc( |
| 3664 | sizeof(struct ipa_uc_pending_event)); |
| 3665 | } |
| 3666 | |
| 3667 | if (!pending_event) { |
| 3668 | hdd_err("Pending event memory alloc fail"); |
| 3669 | cdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3670 | return -ENOMEM; |
| 3671 | } |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 3672 | |
| 3673 | pending_event->adapter = adapter; |
| 3674 | pending_event->sta_id = sta_id; |
| 3675 | pending_event->type = type; |
| 3676 | cdf_mem_copy(pending_event->mac_addr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3677 | mac_addr, |
| 3678 | CDF_MAC_ADDR_SIZE); |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 3679 | qdf_list_insert_back(&hdd_ipa->pending_event, |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 3680 | &pending_event->node); |
| 3681 | |
| 3682 | cdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3683 | return 0; |
| 3684 | } |
| 3685 | |
| 3686 | hdd_ipa->stats.event[type]++; |
| 3687 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 3688 | meta.msg_type = type; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3689 | switch (type) { |
| 3690 | case WLAN_STA_CONNECT: |
| 3691 | /* STA already connected and without disconnect, connect again |
| 3692 | * This is Roaming scenario |
| 3693 | */ |
| 3694 | if (hdd_ipa->sta_connected) |
| 3695 | hdd_ipa_cleanup_iface(adapter->ipa_context); |
| 3696 | |
| 3697 | if ((hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) && |
| 3698 | (!hdd_ipa->sta_connected)) |
| 3699 | hdd_ipa_uc_offload_enable_disable(adapter, |
| 3700 | SIR_STA_RX_DATA_OFFLOAD, 1); |
| 3701 | |
| 3702 | cdf_mutex_acquire(&hdd_ipa->event_lock); |
| 3703 | |
| 3704 | if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3705 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 3706 | "%s: Evt: %d, IPA UC OFFLOAD NOT ENABLED", |
| 3707 | msg_ex->name, meta.msg_type); |
| 3708 | } else if ((!hdd_ipa->sap_num_connected_sta) && |
| 3709 | (!hdd_ipa->sta_connected)) { |
| 3710 | /* Enable IPA UC TX PIPE when STA connected */ |
| 3711 | ret = hdd_ipa_uc_handle_first_con(hdd_ipa); |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 3712 | if (ret) { |
| 3713 | cdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3714 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3715 | "handle 1st con ret %d", ret); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3716 | hdd_ipa_uc_offload_enable_disable(adapter, |
| 3717 | SIR_STA_RX_DATA_OFFLOAD, 0); |
| 3718 | goto end; |
| 3719 | } |
| 3720 | } |
| 3721 | ret = hdd_ipa_setup_iface(hdd_ipa, adapter, sta_id); |
| 3722 | if (ret) { |
| 3723 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3724 | hdd_ipa_uc_offload_enable_disable(adapter, |
| 3725 | SIR_STA_RX_DATA_OFFLOAD, 0); |
| 3726 | goto end; |
| 3727 | |
| 3728 | #ifdef IPA_UC_OFFLOAD |
| 3729 | vdev_to_iface[adapter->sessionId] = |
| 3730 | ((struct hdd_ipa_iface_context *) |
| 3731 | (adapter->ipa_context))->iface_id; |
| 3732 | #endif /* IPA_UC_OFFLOAD */ |
| 3733 | } |
| 3734 | |
| 3735 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3736 | |
| 3737 | hdd_ipa->sta_connected = 1; |
| 3738 | break; |
| 3739 | |
| 3740 | case WLAN_AP_CONNECT: |
| 3741 | /* For DFS channel we get two start_bss event (before and after |
| 3742 | * CAC). Also when ACS range includes both DFS and non DFS |
| 3743 | * channels, we could possibly change channel many times due to |
| 3744 | * RADAR detection and chosen channel may not be a DFS channels. |
| 3745 | * So dont return error here. Just discard the event. |
| 3746 | */ |
| 3747 | if (adapter->ipa_context) |
| 3748 | return 0; |
| 3749 | |
| 3750 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3751 | hdd_ipa_uc_offload_enable_disable(adapter, |
| 3752 | SIR_AP_RX_DATA_OFFLOAD, 1); |
| 3753 | } |
| 3754 | cdf_mutex_acquire(&hdd_ipa->event_lock); |
| 3755 | ret = hdd_ipa_setup_iface(hdd_ipa, adapter, sta_id); |
| 3756 | if (ret) { |
| 3757 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 3758 | "%s: Evt: %d, Interface setup failed", |
| 3759 | msg_ex->name, meta.msg_type); |
| 3760 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3761 | goto end; |
| 3762 | |
| 3763 | #ifdef IPA_UC_OFFLOAD |
| 3764 | vdev_to_iface[adapter->sessionId] = |
| 3765 | ((struct hdd_ipa_iface_context *) |
| 3766 | (adapter->ipa_context))->iface_id; |
| 3767 | #endif /* IPA_UC_OFFLOAD */ |
| 3768 | } |
| 3769 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3770 | break; |
| 3771 | |
| 3772 | case WLAN_STA_DISCONNECT: |
| 3773 | cdf_mutex_acquire(&hdd_ipa->event_lock); |
| 3774 | hdd_ipa_cleanup_iface(adapter->ipa_context); |
| 3775 | |
| 3776 | if (!hdd_ipa->sta_connected) { |
| 3777 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 3778 | "%s: Evt: %d, STA already disconnected", |
| 3779 | msg_ex->name, meta.msg_type); |
| 3780 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3781 | return -EINVAL; |
| 3782 | } |
| 3783 | hdd_ipa->sta_connected = 0; |
| 3784 | if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3785 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 3786 | "%s: IPA UC OFFLOAD NOT ENABLED", |
| 3787 | msg_ex->name); |
| 3788 | } else { |
| 3789 | /* Disable IPA UC TX PIPE when STA disconnected */ |
| 3790 | if ((!hdd_ipa->sap_num_connected_sta) || |
| 3791 | ((!hdd_ipa->num_iface) && |
| 3792 | (HDD_IPA_UC_NUM_WDI_PIPE == |
| 3793 | hdd_ipa->activated_fw_pipe))) { |
| 3794 | hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| 3795 | } |
| 3796 | } |
| 3797 | |
| 3798 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3799 | hdd_ipa_uc_offload_enable_disable(adapter, |
| 3800 | SIR_STA_RX_DATA_OFFLOAD, 0); |
| 3801 | vdev_to_iface[adapter->sessionId] = HDD_IPA_MAX_IFACE; |
| 3802 | } |
| 3803 | |
| 3804 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3805 | break; |
| 3806 | |
| 3807 | case WLAN_AP_DISCONNECT: |
| 3808 | if (!adapter->ipa_context) { |
| 3809 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 3810 | "%s: Evt: %d, SAP already disconnected", |
| 3811 | msg_ex->name, meta.msg_type); |
| 3812 | return -EINVAL; |
| 3813 | } |
| 3814 | |
| 3815 | cdf_mutex_acquire(&hdd_ipa->event_lock); |
| 3816 | hdd_ipa_cleanup_iface(adapter->ipa_context); |
| 3817 | if ((!hdd_ipa->num_iface) && |
| 3818 | (HDD_IPA_UC_NUM_WDI_PIPE == |
| 3819 | hdd_ipa->activated_fw_pipe)) { |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 3820 | if (cds_is_driver_unloading()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3821 | /* |
| 3822 | * We disable WDI pipes directly here since |
| 3823 | * IPA_OPCODE_TX/RX_SUSPEND message will not be |
| 3824 | * processed when unloading WLAN driver is in |
| 3825 | * progress |
| 3826 | */ |
| 3827 | hdd_ipa_uc_disable_pipes(hdd_ipa); |
| 3828 | } else { |
| 3829 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3830 | "NO INTF left but still pipe clean up"); |
| 3831 | hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| 3832 | } |
| 3833 | } |
| 3834 | |
| 3835 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3836 | hdd_ipa_uc_offload_enable_disable(adapter, |
| 3837 | SIR_AP_RX_DATA_OFFLOAD, 0); |
| 3838 | vdev_to_iface[adapter->sessionId] = HDD_IPA_MAX_IFACE; |
| 3839 | } |
| 3840 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3841 | break; |
| 3842 | |
| 3843 | case WLAN_CLIENT_CONNECT_EX: |
| 3844 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%d %d", |
| 3845 | adapter->dev->ifindex, sta_id); |
| 3846 | |
| 3847 | if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3848 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 3849 | "%s: Evt: %d, IPA UC OFFLOAD NOT ENABLED", |
| 3850 | adapter->dev->name, meta.msg_type); |
| 3851 | return 0; |
| 3852 | } |
| 3853 | |
| 3854 | cdf_mutex_acquire(&hdd_ipa->event_lock); |
| 3855 | if (hdd_ipa_uc_find_add_assoc_sta(hdd_ipa, |
| 3856 | true, sta_id)) { |
| 3857 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3858 | "%s: STA ID %d found, not valid", |
| 3859 | adapter->dev->name, sta_id); |
| 3860 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3861 | return 0; |
| 3862 | } |
Yun Park | 312f71a | 2015-12-08 10:22:42 -0800 | [diff] [blame] | 3863 | |
| 3864 | /* Enable IPA UC Data PIPEs when first STA connected */ |
| 3865 | if ((0 == hdd_ipa->sap_num_connected_sta) && |
| 3866 | (!hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) || |
| 3867 | !hdd_ipa->sta_connected)) { |
| 3868 | ret = hdd_ipa_uc_handle_first_con(hdd_ipa); |
| 3869 | if (ret) { |
| 3870 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3871 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3872 | "%s: handle 1st con ret %d", |
| 3873 | adapter->dev->name, ret); |
| 3874 | return ret; |
| 3875 | } |
| 3876 | } |
| 3877 | |
| 3878 | hdd_ipa->sap_num_connected_sta++; |
Yun Park | 312f71a | 2015-12-08 10:22:42 -0800 | [diff] [blame] | 3879 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3880 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3881 | |
| 3882 | meta.msg_type = type; |
| 3883 | meta.msg_len = (sizeof(struct ipa_wlan_msg_ex) + |
| 3884 | sizeof(struct ipa_wlan_hdr_attrib_val)); |
| 3885 | msg_ex = cdf_mem_malloc(meta.msg_len); |
| 3886 | |
| 3887 | if (msg_ex == NULL) { |
| 3888 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3889 | "msg_ex allocation failed"); |
| 3890 | return -ENOMEM; |
| 3891 | } |
| 3892 | strlcpy(msg_ex->name, adapter->dev->name, |
| 3893 | IPA_RESOURCE_NAME_MAX); |
| 3894 | msg_ex->num_of_attribs = 1; |
| 3895 | msg_ex->attribs[0].attrib_type = WLAN_HDR_ATTRIB_MAC_ADDR; |
| 3896 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3897 | msg_ex->attribs[0].offset = |
| 3898 | HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET; |
| 3899 | } else { |
| 3900 | msg_ex->attribs[0].offset = |
| 3901 | HDD_IPA_WLAN_HDR_DES_MAC_OFFSET; |
| 3902 | } |
| 3903 | memcpy(msg_ex->attribs[0].u.mac_addr, mac_addr, |
| 3904 | IPA_MAC_ADDR_SIZE); |
| 3905 | |
| 3906 | ret = ipa_send_msg(&meta, msg_ex, hdd_ipa_msg_free_fn); |
| 3907 | |
| 3908 | if (ret) { |
| 3909 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: Evt: %d : %d", |
| 3910 | msg_ex->name, meta.msg_type, ret); |
| 3911 | cdf_mem_free(msg_ex); |
| 3912 | return ret; |
| 3913 | } |
| 3914 | hdd_ipa->stats.num_send_msg++; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3915 | return ret; |
| 3916 | |
| 3917 | case WLAN_CLIENT_DISCONNECT: |
| 3918 | if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3919 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 3920 | "%s: IPA UC OFFLOAD NOT ENABLED", |
| 3921 | msg_ex->name); |
| 3922 | return 0; |
| 3923 | } |
| 3924 | |
| 3925 | cdf_mutex_acquire(&hdd_ipa->event_lock); |
| 3926 | if (!hdd_ipa_uc_find_add_assoc_sta(hdd_ipa, false, sta_id)) { |
| 3927 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 3928 | "%s: STA ID %d NOT found, not valid", |
| 3929 | msg_ex->name, sta_id); |
| 3930 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3931 | return 0; |
| 3932 | } |
| 3933 | hdd_ipa->sap_num_connected_sta--; |
| 3934 | /* Disable IPA UC TX PIPE when last STA disconnected */ |
| 3935 | if (!hdd_ipa->sap_num_connected_sta |
| 3936 | && (!hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) || |
| 3937 | !hdd_ipa->sta_connected) |
| 3938 | && (false == hdd_ipa->resource_unloading) |
| 3939 | && (HDD_IPA_UC_NUM_WDI_PIPE == |
| 3940 | hdd_ipa->activated_fw_pipe)) |
| 3941 | hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| 3942 | cdf_mutex_release(&hdd_ipa->event_lock); |
| 3943 | break; |
| 3944 | |
| 3945 | default: |
| 3946 | return 0; |
| 3947 | } |
| 3948 | |
| 3949 | meta.msg_len = sizeof(struct ipa_wlan_msg); |
| 3950 | msg = cdf_mem_malloc(meta.msg_len); |
| 3951 | if (msg == NULL) { |
| 3952 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, "msg allocation failed"); |
| 3953 | return -ENOMEM; |
| 3954 | } |
| 3955 | |
| 3956 | meta.msg_type = type; |
| 3957 | strlcpy(msg->name, adapter->dev->name, IPA_RESOURCE_NAME_MAX); |
| 3958 | memcpy(msg->mac_addr, mac_addr, ETH_ALEN); |
| 3959 | |
| 3960 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: Evt: %d", |
| 3961 | msg->name, meta.msg_type); |
| 3962 | |
| 3963 | ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| 3964 | |
| 3965 | if (ret) { |
| 3966 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, "%s: Evt: %d fail:%d", |
| 3967 | msg->name, meta.msg_type, ret); |
| 3968 | cdf_mem_free(msg); |
| 3969 | return ret; |
| 3970 | } |
| 3971 | |
| 3972 | hdd_ipa->stats.num_send_msg++; |
| 3973 | |
| 3974 | end: |
| 3975 | return ret; |
| 3976 | } |
| 3977 | |
| 3978 | /** |
| 3979 | * hdd_ipa_rm_state_to_str() - Convert IPA RM state to string |
| 3980 | * @state: IPA RM state value |
| 3981 | * |
| 3982 | * Return: ASCII string representing the IPA RM state |
| 3983 | */ |
| 3984 | static inline char *hdd_ipa_rm_state_to_str(enum hdd_ipa_rm_state state) |
| 3985 | { |
| 3986 | switch (state) { |
| 3987 | case HDD_IPA_RM_RELEASED: |
| 3988 | return "RELEASED"; |
| 3989 | case HDD_IPA_RM_GRANT_PENDING: |
| 3990 | return "GRANT_PENDING"; |
| 3991 | case HDD_IPA_RM_GRANTED: |
| 3992 | return "GRANTED"; |
| 3993 | } |
| 3994 | |
| 3995 | return "UNKNOWN"; |
| 3996 | } |
| 3997 | |
| 3998 | /** |
| 3999 | * hdd_ipa_init() - IPA initialization function |
| 4000 | * @hdd_ctx: HDD global context |
| 4001 | * |
| 4002 | * Allocate hdd_ipa resources, ipa pipe resource and register |
| 4003 | * wlan interface with IPA module. |
| 4004 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4005 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4006 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4007 | QDF_STATUS hdd_ipa_init(hdd_context_t *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4008 | { |
| 4009 | struct hdd_ipa_priv *hdd_ipa = NULL; |
| 4010 | int ret, i; |
| 4011 | struct hdd_ipa_iface_context *iface_context = NULL; |
| 4012 | |
| 4013 | if (!hdd_ipa_is_enabled(hdd_ctx)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4014 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4015 | |
| 4016 | hdd_ipa = cdf_mem_malloc(sizeof(*hdd_ipa)); |
| 4017 | if (!hdd_ipa) { |
| 4018 | HDD_IPA_LOG(CDF_TRACE_LEVEL_FATAL, "hdd_ipa allocation failed"); |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 4019 | goto fail_return; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4020 | } |
| 4021 | |
| 4022 | hdd_ctx->hdd_ipa = hdd_ipa; |
| 4023 | ghdd_ipa = hdd_ipa; |
| 4024 | hdd_ipa->hdd_ctx = hdd_ctx; |
| 4025 | hdd_ipa->num_iface = 0; |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 4026 | ol_txrx_ipa_uc_get_resource(cds_get_context(CDF_MODULE_ID_TXRX), |
| 4027 | &hdd_ipa->ce_sr_base_paddr, |
| 4028 | &hdd_ipa->ce_sr_ring_size, |
| 4029 | &hdd_ipa->ce_reg_paddr, |
| 4030 | &hdd_ipa->tx_comp_ring_base_paddr, |
| 4031 | &hdd_ipa->tx_comp_ring_size, |
| 4032 | &hdd_ipa->tx_num_alloc_buffer, |
| 4033 | &hdd_ipa->rx_rdy_ring_base_paddr, |
| 4034 | &hdd_ipa->rx_rdy_ring_size, |
| 4035 | &hdd_ipa->rx_proc_done_idx_paddr, |
| 4036 | &hdd_ipa->rx_proc_done_idx_vaddr, |
| 4037 | &hdd_ipa->rx2_rdy_ring_base_paddr, |
| 4038 | &hdd_ipa->rx2_rdy_ring_size, |
| 4039 | &hdd_ipa->rx2_proc_done_idx_paddr, |
| 4040 | &hdd_ipa->rx2_proc_done_idx_vaddr); |
| 4041 | if ((0 == hdd_ipa->ce_sr_base_paddr) || |
| 4042 | (0 == hdd_ipa->tx_comp_ring_base_paddr) || |
| 4043 | (0 == hdd_ipa->rx_rdy_ring_base_paddr) || |
| 4044 | (0 == hdd_ipa->rx2_rdy_ring_base_paddr)) { |
| 4045 | HDD_IPA_LOG(CDF_TRACE_LEVEL_FATAL, |
| 4046 | "IPA UC resource alloc fail"); |
| 4047 | goto fail_get_resource; |
| 4048 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4049 | |
| 4050 | /* Create the interface context */ |
| 4051 | for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| 4052 | iface_context = &hdd_ipa->iface_context[i]; |
| 4053 | iface_context->hdd_ipa = hdd_ipa; |
| 4054 | iface_context->cons_client = |
| 4055 | hdd_ipa_adapter_2_client[i].cons_client; |
| 4056 | iface_context->prod_client = |
| 4057 | hdd_ipa_adapter_2_client[i].prod_client; |
| 4058 | iface_context->iface_id = i; |
| 4059 | iface_context->adapter = NULL; |
| 4060 | cdf_spinlock_init(&iface_context->interface_lock); |
| 4061 | } |
| 4062 | |
| 4063 | #ifdef CONFIG_CNSS |
| 4064 | cnss_init_work(&hdd_ipa->pm_work, hdd_ipa_pm_send_pkt_to_tl); |
| 4065 | #else |
| 4066 | INIT_WORK(&hdd_ipa->pm_work, hdd_ipa_pm_send_pkt_to_tl); |
| 4067 | #endif |
| 4068 | cdf_spinlock_init(&hdd_ipa->pm_lock); |
| 4069 | cdf_nbuf_queue_init(&hdd_ipa->pm_queue_head); |
| 4070 | |
| 4071 | ret = hdd_ipa_setup_rm(hdd_ipa); |
| 4072 | if (ret) |
| 4073 | goto fail_setup_rm; |
| 4074 | |
| 4075 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 4076 | hdd_ipa_uc_rt_debug_init(hdd_ctx); |
| 4077 | cdf_mem_zero(&hdd_ipa->stats, sizeof(hdd_ipa->stats)); |
| 4078 | hdd_ipa->sap_num_connected_sta = 0; |
| 4079 | hdd_ipa->ipa_tx_packets_diff = 0; |
| 4080 | hdd_ipa->ipa_rx_packets_diff = 0; |
| 4081 | hdd_ipa->ipa_p_tx_packets = 0; |
| 4082 | hdd_ipa->ipa_p_rx_packets = 0; |
| 4083 | hdd_ipa->resource_loading = false; |
| 4084 | hdd_ipa->resource_unloading = false; |
| 4085 | hdd_ipa->sta_connected = 0; |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 4086 | hdd_ipa->ipa_pipes_down = true; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4087 | /* Setup IPA sys_pipe for MCC */ |
| 4088 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| 4089 | ret = hdd_ipa_setup_sys_pipe(hdd_ipa); |
| 4090 | if (ret) |
| 4091 | goto fail_create_sys_pipe; |
| 4092 | } |
| 4093 | hdd_ipa_uc_ol_init(hdd_ctx); |
| 4094 | } else { |
| 4095 | ret = hdd_ipa_setup_sys_pipe(hdd_ipa); |
| 4096 | if (ret) |
| 4097 | goto fail_create_sys_pipe; |
| 4098 | } |
| 4099 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4100 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4101 | |
| 4102 | fail_create_sys_pipe: |
| 4103 | hdd_ipa_destroy_rm_resource(hdd_ipa); |
| 4104 | fail_setup_rm: |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 4105 | cdf_spinlock_destroy(&hdd_ipa->pm_lock); |
| 4106 | fail_get_resource: |
| 4107 | cdf_mem_free(hdd_ipa); |
| 4108 | hdd_ctx->hdd_ipa = NULL; |
| 4109 | ghdd_ipa = NULL; |
| 4110 | fail_return: |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4111 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4112 | } |
| 4113 | |
| 4114 | /** |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4115 | * hdd_ipa_cleanup_pending_event() - Cleanup IPA pending event list |
| 4116 | * @hdd_ipa: pointer to HDD IPA struct |
| 4117 | * |
| 4118 | * Return: none |
| 4119 | */ |
| 4120 | void hdd_ipa_cleanup_pending_event(struct hdd_ipa_priv *hdd_ipa) |
| 4121 | { |
| 4122 | struct ipa_uc_pending_event *pending_event = NULL; |
| 4123 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 4124 | while (qdf_list_remove_front(&hdd_ipa->pending_event, |
| 4125 | (qdf_list_node_t **)&pending_event) == QDF_STATUS_SUCCESS) { |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4126 | cdf_mem_free(pending_event); |
| 4127 | } |
| 4128 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 4129 | qdf_list_destroy(&hdd_ipa->pending_event); |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4130 | } |
| 4131 | |
| 4132 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4133 | * hdd_ipa_cleanup - IPA cleanup function |
| 4134 | * @hdd_ctx: HDD global context |
| 4135 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4136 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4137 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4138 | QDF_STATUS hdd_ipa_cleanup(hdd_context_t *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4139 | { |
| 4140 | struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| 4141 | int i; |
| 4142 | struct hdd_ipa_iface_context *iface_context = NULL; |
| 4143 | cdf_nbuf_t skb; |
| 4144 | struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| 4145 | |
| 4146 | if (!hdd_ipa_is_enabled(hdd_ctx)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4147 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4148 | |
| 4149 | if (!hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| 4150 | unregister_inetaddr_notifier(&hdd_ipa->ipv4_notifier); |
| 4151 | hdd_ipa_teardown_sys_pipe(hdd_ipa); |
| 4152 | } |
| 4153 | |
| 4154 | /* Teardown IPA sys_pipe for MCC */ |
| 4155 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) |
| 4156 | hdd_ipa_teardown_sys_pipe(hdd_ipa); |
| 4157 | |
| 4158 | hdd_ipa_destroy_rm_resource(hdd_ipa); |
| 4159 | |
| 4160 | #ifdef WLAN_OPEN_SOURCE |
| 4161 | cancel_work_sync(&hdd_ipa->pm_work); |
| 4162 | #endif |
| 4163 | |
| 4164 | cdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| 4165 | |
| 4166 | while (((skb = cdf_nbuf_queue_remove(&hdd_ipa->pm_queue_head)) != NULL)) { |
| 4167 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 4168 | |
| 4169 | pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| 4170 | ipa_free_skb(pm_tx_cb->ipa_tx_desc); |
| 4171 | |
| 4172 | cdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| 4173 | } |
| 4174 | cdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 4175 | |
| 4176 | cdf_spinlock_destroy(&hdd_ipa->pm_lock); |
| 4177 | |
| 4178 | /* destory the interface lock */ |
| 4179 | for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| 4180 | iface_context = &hdd_ipa->iface_context[i]; |
| 4181 | cdf_spinlock_destroy(&iface_context->interface_lock); |
| 4182 | } |
| 4183 | |
| 4184 | /* This should never hit but still make sure that there are no pending |
| 4185 | * descriptor in IPA hardware |
| 4186 | */ |
| 4187 | if (hdd_ipa->pending_hw_desc_cnt != 0) { |
| 4188 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 4189 | "IPA Pending write done: %d Waiting!", |
| 4190 | hdd_ipa->pending_hw_desc_cnt); |
| 4191 | |
| 4192 | for (i = 0; hdd_ipa->pending_hw_desc_cnt != 0 && i < 10; i++) { |
| 4193 | usleep_range(100, 100); |
| 4194 | } |
| 4195 | |
| 4196 | HDD_IPA_LOG(CDF_TRACE_LEVEL_ERROR, |
| 4197 | "IPA Pending write done: desc: %d %s(%d)!", |
| 4198 | hdd_ipa->pending_hw_desc_cnt, |
| 4199 | hdd_ipa->pending_hw_desc_cnt == 0 ? "completed" |
| 4200 | : "leak", i); |
| 4201 | } |
| 4202 | if (hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| 4203 | hdd_ipa_uc_rt_debug_deinit(hdd_ctx); |
| 4204 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 4205 | "%s: Disconnect TX PIPE", __func__); |
| 4206 | ipa_disconnect_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| 4207 | HDD_IPA_LOG(CDF_TRACE_LEVEL_INFO, |
| 4208 | "%s: Disconnect RX PIPE", __func__); |
| 4209 | ipa_disconnect_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| 4210 | cdf_mutex_destroy(&hdd_ipa->event_lock); |
Yun Park | e59b391 | 2015-11-09 13:19:06 -0800 | [diff] [blame] | 4211 | cdf_mutex_destroy(&hdd_ipa->ipa_lock); |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4212 | hdd_ipa_cleanup_pending_event(hdd_ipa); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4213 | |
| 4214 | #ifdef WLAN_OPEN_SOURCE |
| 4215 | for (i = 0; i < HDD_IPA_UC_OPCODE_MAX; i++) { |
| 4216 | cancel_work_sync(&hdd_ipa->uc_op_work[i].work); |
| 4217 | hdd_ipa->uc_op_work[i].msg = NULL; |
| 4218 | } |
| 4219 | #endif |
| 4220 | } |
| 4221 | |
| 4222 | cdf_mem_free(hdd_ipa); |
| 4223 | hdd_ctx->hdd_ipa = NULL; |
| 4224 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4225 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4226 | } |
| 4227 | #endif /* IPA_OFFLOAD */ |