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 | |
Jeff Johnson | ab2cd40 | 2016-12-05 13:54:28 -0800 | [diff] [blame^] | 37 | /* denote that this file does not allow legacy hddLog */ |
| 38 | #define HDD_DISALLOW_LEGACY_HDDLOG 1 |
| 39 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 40 | /* Include Files */ |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 41 | #include <linux/ipa.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 42 | #include <wlan_hdd_includes.h> |
| 43 | #include <wlan_hdd_ipa.h> |
| 44 | |
| 45 | #include <linux/etherdevice.h> |
| 46 | #include <linux/atomic.h> |
| 47 | #include <linux/netdevice.h> |
| 48 | #include <linux/skbuff.h> |
| 49 | #include <linux/list.h> |
| 50 | #include <linux/debugfs.h> |
| 51 | #include <linux/inetdevice.h> |
| 52 | #include <linux/ip.h> |
| 53 | #include <wlan_hdd_softap_tx_rx.h> |
Manjunathappa Prakash | 3454fd6 | 2016-04-01 08:52:06 -0700 | [diff] [blame] | 54 | #include <cdp_txrx_peer_ops.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 55 | |
| 56 | #include "cds_sched.h" |
| 57 | |
| 58 | #include "wma.h" |
| 59 | #include "wma_api.h" |
Prakash Dhavali | 87b38e3 | 2016-11-14 16:22:53 -0800 | [diff] [blame] | 60 | #include "wal_rx_desc.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 61 | |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 62 | #include "cdp_txrx_ipa.h" |
| 63 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 64 | #define HDD_IPA_DESC_BUFFER_RATIO 4 |
| 65 | #define HDD_IPA_IPV4_NAME_EXT "_ipv4" |
| 66 | #define HDD_IPA_IPV6_NAME_EXT "_ipv6" |
| 67 | |
| 68 | #define HDD_IPA_RX_INACTIVITY_MSEC_DELAY 1000 |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 69 | #define HDD_IPA_UC_WLAN_8023_HDR_SIZE 14 |
| 70 | /* WDI TX and RX PIPE */ |
| 71 | #define HDD_IPA_UC_NUM_WDI_PIPE 2 |
| 72 | #define HDD_IPA_UC_MAX_PENDING_EVENT 33 |
| 73 | |
| 74 | #define HDD_IPA_UC_DEBUG_DUMMY_MEM_SIZE 32000 |
| 75 | #define HDD_IPA_UC_RT_DEBUG_PERIOD 300 |
| 76 | #define HDD_IPA_UC_RT_DEBUG_BUF_COUNT 30 |
| 77 | #define HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL 10000 |
| 78 | |
| 79 | #define HDD_IPA_WLAN_HDR_DES_MAC_OFFSET 0 |
| 80 | #define HDD_IPA_MAX_IFACE 3 |
| 81 | #define HDD_IPA_MAX_SYSBAM_PIPE 4 |
| 82 | #define HDD_IPA_RX_PIPE HDD_IPA_MAX_IFACE |
| 83 | #define HDD_IPA_ENABLE_MASK BIT(0) |
| 84 | #define HDD_IPA_PRE_FILTER_ENABLE_MASK BIT(1) |
| 85 | #define HDD_IPA_IPV6_ENABLE_MASK BIT(2) |
| 86 | #define HDD_IPA_RM_ENABLE_MASK BIT(3) |
| 87 | #define HDD_IPA_CLK_SCALING_ENABLE_MASK BIT(4) |
| 88 | #define HDD_IPA_UC_ENABLE_MASK BIT(5) |
| 89 | #define HDD_IPA_UC_STA_ENABLE_MASK BIT(6) |
| 90 | #define HDD_IPA_REAL_TIME_DEBUGGING BIT(8) |
| 91 | |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 92 | #define HDD_IPA_MAX_PENDING_EVENT_COUNT 20 |
| 93 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 94 | typedef enum { |
| 95 | HDD_IPA_UC_OPCODE_TX_SUSPEND = 0, |
| 96 | HDD_IPA_UC_OPCODE_TX_RESUME = 1, |
| 97 | HDD_IPA_UC_OPCODE_RX_SUSPEND = 2, |
| 98 | HDD_IPA_UC_OPCODE_RX_RESUME = 3, |
| 99 | HDD_IPA_UC_OPCODE_STATS = 4, |
| 100 | /* keep this last */ |
| 101 | HDD_IPA_UC_OPCODE_MAX |
| 102 | } hdd_ipa_uc_op_code; |
| 103 | |
| 104 | /** |
| 105 | * enum - Reason codes for stat query |
| 106 | * |
| 107 | * @HDD_IPA_UC_STAT_REASON_NONE: Initial value |
| 108 | * @HDD_IPA_UC_STAT_REASON_DEBUG: For debug/info |
| 109 | * @HDD_IPA_UC_STAT_REASON_BW_CAL: For bandwidth calibration |
| 110 | */ |
| 111 | enum { |
| 112 | HDD_IPA_UC_STAT_REASON_NONE, |
| 113 | HDD_IPA_UC_STAT_REASON_DEBUG, |
| 114 | HDD_IPA_UC_STAT_REASON_BW_CAL |
| 115 | }; |
| 116 | |
| 117 | /** |
| 118 | * enum hdd_ipa_rm_state - IPA resource manager state |
| 119 | * @HDD_IPA_RM_RELEASED: PROD pipe resource released |
| 120 | * @HDD_IPA_RM_GRANT_PENDING: PROD pipe resource requested but not granted yet |
| 121 | * @HDD_IPA_RM_GRANTED: PROD pipe resource granted |
| 122 | */ |
| 123 | enum hdd_ipa_rm_state { |
| 124 | HDD_IPA_RM_RELEASED, |
| 125 | HDD_IPA_RM_GRANT_PENDING, |
| 126 | HDD_IPA_RM_GRANTED, |
| 127 | }; |
| 128 | |
| 129 | struct llc_snap_hdr { |
| 130 | uint8_t dsap; |
| 131 | uint8_t ssap; |
| 132 | uint8_t resv[4]; |
| 133 | __be16 eth_type; |
| 134 | } __packed; |
| 135 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 136 | /** |
| 137 | * struct hdd_ipa_tx_hdr - header type which IPA should handle to TX packet |
| 138 | * @eth: ether II header |
| 139 | * @llc_snap: LLC snap header |
| 140 | * |
| 141 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 142 | struct hdd_ipa_tx_hdr { |
| 143 | struct ethhdr eth; |
| 144 | struct llc_snap_hdr llc_snap; |
| 145 | } __packed; |
| 146 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 147 | /** |
| 148 | * struct frag_header - fragment header type registered to IPA hardware |
| 149 | * @length: fragment length |
| 150 | * @reserved1: Reserved not used |
| 151 | * @reserved2: Reserved not used |
| 152 | * |
| 153 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 154 | struct frag_header { |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 155 | uint16_t length; |
| 156 | uint32_t reserved1; |
| 157 | uint32_t reserved2; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 158 | } __packed; |
| 159 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 160 | /** |
| 161 | * struct ipa_header - ipa header type registered to IPA hardware |
| 162 | * @vdev_id: vdev id |
| 163 | * @reserved: Reserved not used |
| 164 | * |
| 165 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 166 | struct ipa_header { |
| 167 | uint32_t |
| 168 | vdev_id:8, /* vdev_id field is LSB of IPA DESC */ |
| 169 | reserved:24; |
| 170 | } __packed; |
| 171 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 172 | /** |
| 173 | * struct hdd_ipa_uc_tx_hdr - full tx header registered to IPA hardware |
| 174 | * @frag_hd: fragment header |
| 175 | * @ipa_hd: ipa header |
| 176 | * @eth: ether II header |
| 177 | * |
| 178 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 179 | struct hdd_ipa_uc_tx_hdr { |
| 180 | struct frag_header frag_hd; |
| 181 | struct ipa_header ipa_hd; |
| 182 | struct ethhdr eth; |
| 183 | } __packed; |
| 184 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 185 | /** |
| 186 | * struct hdd_ipa_cld_hdr - IPA CLD Header |
| 187 | * @reserved: reserved fields |
| 188 | * @iface_id: interface ID |
| 189 | * @sta_id: Station ID |
| 190 | * |
| 191 | * Packed 32-bit structure |
| 192 | * +----------+----------+--------------+--------+ |
| 193 | * | Reserved | QCMAP ID | interface id | STA ID | |
| 194 | * +----------+----------+--------------+--------+ |
| 195 | */ |
| 196 | struct hdd_ipa_cld_hdr { |
| 197 | uint8_t reserved[2]; |
| 198 | uint8_t iface_id; |
| 199 | uint8_t sta_id; |
| 200 | } __packed; |
| 201 | |
| 202 | struct hdd_ipa_rx_hdr { |
| 203 | struct hdd_ipa_cld_hdr cld_hdr; |
| 204 | struct ethhdr eth; |
| 205 | } __packed; |
| 206 | |
| 207 | struct hdd_ipa_pm_tx_cb { |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 208 | bool exception; |
| 209 | hdd_adapter_t *adapter; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 210 | struct hdd_ipa_iface_context *iface_context; |
| 211 | struct ipa_rx_data *ipa_tx_desc; |
| 212 | }; |
| 213 | |
| 214 | struct hdd_ipa_uc_rx_hdr { |
| 215 | struct ethhdr eth; |
| 216 | } __packed; |
| 217 | |
| 218 | struct hdd_ipa_sys_pipe { |
| 219 | uint32_t conn_hdl; |
| 220 | uint8_t conn_hdl_valid; |
| 221 | struct ipa_sys_connect_params ipa_sys_params; |
| 222 | }; |
| 223 | |
| 224 | struct hdd_ipa_iface_stats { |
| 225 | uint64_t num_tx; |
| 226 | uint64_t num_tx_drop; |
| 227 | uint64_t num_tx_err; |
| 228 | uint64_t num_tx_cac_drop; |
| 229 | uint64_t num_rx_prefilter; |
| 230 | uint64_t num_rx_ipa_excep; |
| 231 | uint64_t num_rx_recv; |
| 232 | uint64_t num_rx_recv_mul; |
| 233 | uint64_t num_rx_send_desc_err; |
| 234 | uint64_t max_rx_mul; |
| 235 | }; |
| 236 | |
| 237 | struct hdd_ipa_priv; |
| 238 | |
| 239 | struct hdd_ipa_iface_context { |
| 240 | struct hdd_ipa_priv *hdd_ipa; |
| 241 | hdd_adapter_t *adapter; |
| 242 | void *tl_context; |
| 243 | |
| 244 | enum ipa_client_type cons_client; |
| 245 | enum ipa_client_type prod_client; |
| 246 | |
| 247 | uint8_t iface_id; /* This iface ID */ |
| 248 | uint8_t sta_id; /* This iface station ID */ |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 249 | qdf_spinlock_t interface_lock; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 250 | uint32_t ifa_address; |
| 251 | struct hdd_ipa_iface_stats stats; |
| 252 | }; |
| 253 | |
| 254 | struct hdd_ipa_stats { |
| 255 | uint32_t event[IPA_WLAN_EVENT_MAX]; |
| 256 | uint64_t num_send_msg; |
| 257 | uint64_t num_free_msg; |
| 258 | |
| 259 | uint64_t num_rm_grant; |
| 260 | uint64_t num_rm_release; |
| 261 | uint64_t num_rm_grant_imm; |
| 262 | uint64_t num_cons_perf_req; |
| 263 | uint64_t num_prod_perf_req; |
| 264 | |
| 265 | uint64_t num_rx_drop; |
| 266 | uint64_t num_rx_ipa_tx_dp; |
| 267 | uint64_t num_rx_ipa_splice; |
| 268 | uint64_t num_rx_ipa_loop; |
| 269 | uint64_t num_rx_ipa_tx_dp_err; |
| 270 | uint64_t num_rx_ipa_write_done; |
| 271 | uint64_t num_max_ipa_tx_mul; |
| 272 | uint64_t num_rx_ipa_hw_maxed_out; |
| 273 | uint64_t max_pend_q_cnt; |
| 274 | |
| 275 | uint64_t num_tx_comp_cnt; |
| 276 | uint64_t num_tx_queued; |
| 277 | uint64_t num_tx_dequeued; |
| 278 | uint64_t num_max_pm_queue; |
| 279 | |
| 280 | uint64_t num_freeq_empty; |
| 281 | uint64_t num_pri_freeq_empty; |
| 282 | uint64_t num_rx_excep; |
| 283 | uint64_t num_tx_bcmc; |
| 284 | uint64_t num_tx_bcmc_err; |
| 285 | }; |
| 286 | |
| 287 | struct ipa_uc_stas_map { |
| 288 | bool is_reserved; |
| 289 | uint8_t sta_id; |
| 290 | }; |
| 291 | struct op_msg_type { |
| 292 | uint8_t msg_t; |
| 293 | uint8_t rsvd; |
| 294 | uint16_t op_code; |
| 295 | uint16_t len; |
| 296 | uint16_t rsvd_snd; |
| 297 | }; |
| 298 | |
| 299 | struct ipa_uc_fw_stats { |
| 300 | uint32_t tx_comp_ring_base; |
| 301 | uint32_t tx_comp_ring_size; |
| 302 | uint32_t tx_comp_ring_dbell_addr; |
| 303 | uint32_t tx_comp_ring_dbell_ind_val; |
| 304 | uint32_t tx_comp_ring_dbell_cached_val; |
| 305 | uint32_t tx_pkts_enqueued; |
| 306 | uint32_t tx_pkts_completed; |
| 307 | uint32_t tx_is_suspend; |
| 308 | uint32_t tx_reserved; |
| 309 | uint32_t rx_ind_ring_base; |
| 310 | uint32_t rx_ind_ring_size; |
| 311 | uint32_t rx_ind_ring_dbell_addr; |
| 312 | uint32_t rx_ind_ring_dbell_ind_val; |
| 313 | uint32_t rx_ind_ring_dbell_ind_cached_val; |
| 314 | uint32_t rx_ind_ring_rdidx_addr; |
| 315 | uint32_t rx_ind_ring_rd_idx_cached_val; |
| 316 | uint32_t rx_refill_idx; |
| 317 | uint32_t rx_num_pkts_indicated; |
| 318 | uint32_t rx_buf_refilled; |
| 319 | uint32_t rx_num_ind_drop_no_space; |
| 320 | uint32_t rx_num_ind_drop_no_buf; |
| 321 | uint32_t rx_is_suspend; |
| 322 | uint32_t rx_reserved; |
| 323 | }; |
| 324 | |
| 325 | struct ipa_uc_pending_event { |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 326 | qdf_list_node_t node; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 327 | hdd_adapter_t *adapter; |
| 328 | enum ipa_wlan_event type; |
| 329 | uint8_t sta_id; |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 330 | uint8_t mac_addr[QDF_MAC_ADDR_SIZE]; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 331 | }; |
| 332 | |
| 333 | /** |
| 334 | * struct uc_rm_work_struct |
| 335 | * @work: uC RM work |
| 336 | * @event: IPA RM event |
| 337 | */ |
| 338 | struct uc_rm_work_struct { |
| 339 | struct work_struct work; |
| 340 | enum ipa_rm_event event; |
| 341 | }; |
| 342 | |
| 343 | /** |
| 344 | * struct uc_op_work_struct |
| 345 | * @work: uC OP work |
| 346 | * @msg: OP message |
| 347 | */ |
| 348 | struct uc_op_work_struct { |
| 349 | struct work_struct work; |
| 350 | struct op_msg_type *msg; |
| 351 | }; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 352 | |
| 353 | /** |
| 354 | * struct uc_rt_debug_info |
| 355 | * @time: system time |
| 356 | * @ipa_excep_count: IPA exception packet count |
| 357 | * @rx_drop_count: IPA Rx drop packet count |
| 358 | * @net_sent_count: IPA Rx packet sent to network stack count |
| 359 | * @rx_discard_count: IPA Rx discard packet count |
| 360 | * @rx_mcbc_count: IPA Rx BCMC packet count |
| 361 | * @tx_mcbc_count: IPA Tx BCMC packet countt |
| 362 | * @tx_fwd_count: IPA Tx forward packet count |
| 363 | * @rx_destructor_call: IPA Rx packet destructor count |
| 364 | */ |
| 365 | struct uc_rt_debug_info { |
Deepthi Gowri | 6acee34 | 2016-10-28 15:00:38 +0530 | [diff] [blame] | 366 | uint64_t time; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 367 | uint64_t ipa_excep_count; |
| 368 | uint64_t rx_drop_count; |
| 369 | uint64_t net_sent_count; |
| 370 | uint64_t rx_discard_count; |
| 371 | uint64_t rx_mcbc_count; |
| 372 | uint64_t tx_mcbc_count; |
| 373 | uint64_t tx_fwd_count; |
| 374 | uint64_t rx_destructor_call; |
| 375 | }; |
| 376 | |
| 377 | struct hdd_ipa_priv { |
| 378 | struct hdd_ipa_sys_pipe sys_pipe[HDD_IPA_MAX_SYSBAM_PIPE]; |
| 379 | struct hdd_ipa_iface_context iface_context[HDD_IPA_MAX_IFACE]; |
| 380 | uint8_t num_iface; |
| 381 | enum hdd_ipa_rm_state rm_state; |
| 382 | /* |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 383 | * IPA driver can send RM notifications with IRQ disabled so using qdf |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 384 | * APIs as it is taken care gracefully. Without this, kernel would throw |
| 385 | * an warning if spin_lock_bh is used while IRQ is disabled |
| 386 | */ |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 387 | qdf_spinlock_t rm_lock; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 388 | struct uc_rm_work_struct uc_rm_work; |
| 389 | struct uc_op_work_struct uc_op_work[HDD_IPA_UC_OPCODE_MAX]; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 390 | qdf_wake_lock_t wake_lock; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 391 | struct delayed_work wake_lock_work; |
| 392 | bool wake_lock_released; |
| 393 | |
| 394 | enum ipa_client_type prod_client; |
| 395 | |
| 396 | atomic_t tx_ref_cnt; |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 397 | qdf_nbuf_queue_t pm_queue_head; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 398 | struct work_struct pm_work; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 399 | qdf_spinlock_t pm_lock; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 400 | bool suspended; |
| 401 | |
| 402 | uint32_t pending_hw_desc_cnt; |
| 403 | uint32_t hw_desc_cnt; |
| 404 | spinlock_t q_lock; |
| 405 | uint32_t freeq_cnt; |
| 406 | struct list_head free_desc_head; |
| 407 | |
| 408 | uint32_t pend_q_cnt; |
| 409 | struct list_head pend_desc_head; |
| 410 | |
| 411 | hdd_context_t *hdd_ctx; |
| 412 | |
| 413 | struct dentry *debugfs_dir; |
| 414 | struct hdd_ipa_stats stats; |
| 415 | |
| 416 | struct notifier_block ipv4_notifier; |
| 417 | uint32_t curr_prod_bw; |
| 418 | uint32_t curr_cons_bw; |
| 419 | |
| 420 | uint8_t activated_fw_pipe; |
| 421 | uint8_t sap_num_connected_sta; |
| 422 | uint8_t sta_connected; |
| 423 | uint32_t tx_pipe_handle; |
| 424 | uint32_t rx_pipe_handle; |
| 425 | bool resource_loading; |
| 426 | bool resource_unloading; |
| 427 | bool pending_cons_req; |
| 428 | struct ipa_uc_stas_map assoc_stas_map[WLAN_MAX_STA_COUNT]; |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 429 | qdf_list_t pending_event; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 430 | qdf_mutex_t event_lock; |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 431 | bool ipa_pipes_down; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 432 | uint32_t ipa_tx_packets_diff; |
| 433 | uint32_t ipa_rx_packets_diff; |
| 434 | uint32_t ipa_p_tx_packets; |
| 435 | uint32_t ipa_p_rx_packets; |
| 436 | uint32_t stat_req_reason; |
| 437 | uint64_t ipa_tx_forward; |
| 438 | uint64_t ipa_rx_discard; |
| 439 | uint64_t ipa_rx_net_send_count; |
| 440 | uint64_t ipa_rx_internel_drop_count; |
| 441 | uint64_t ipa_rx_destructor_count; |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 442 | qdf_mc_timer_t rt_debug_timer; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 443 | struct uc_rt_debug_info rt_bug_buffer[HDD_IPA_UC_RT_DEBUG_BUF_COUNT]; |
| 444 | unsigned int rt_buf_fill_index; |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 445 | qdf_mc_timer_t rt_debug_fill_timer; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 446 | qdf_mutex_t rt_debug_lock; |
| 447 | qdf_mutex_t ipa_lock; |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 448 | struct ol_txrx_ipa_resources ipa_resource; |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 449 | /* IPA UC doorbell registers paddr */ |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 450 | qdf_dma_addr_t tx_comp_doorbell_paddr; |
| 451 | qdf_dma_addr_t rx_ready_doorbell_paddr; |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 452 | |
| 453 | uint8_t vdev_to_iface[CSR_ROAM_SESSION_MAX]; |
| 454 | bool vdev_offload_enabled[CSR_ROAM_SESSION_MAX]; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 455 | }; |
| 456 | |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 457 | /** |
Houston Hoffman | 23e76f9 | 2016-02-26 12:19:11 -0800 | [diff] [blame] | 458 | * FIXME: The following conversion routines are just stubs. |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 459 | * They will be implemented fully by another update. |
| 460 | * The stubs will let the compile go ahead, and functionality |
| 461 | * is broken. |
| 462 | * This should be OK and IPA is not enabled yet |
| 463 | */ |
Jeff Johnson | d772063 | 2016-10-05 16:04:32 -0700 | [diff] [blame] | 464 | static void *wlan_hdd_stub_priv_to_addr(uint32_t priv) |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 465 | { |
| 466 | void *vaddr; |
| 467 | uint32_t ipa_priv = priv; |
| 468 | |
| 469 | vaddr = &ipa_priv; /* just to use the var */ |
| 470 | vaddr = NULL; |
| 471 | return vaddr; |
| 472 | } |
| 473 | |
Jeff Johnson | d772063 | 2016-10-05 16:04:32 -0700 | [diff] [blame] | 474 | static uint32_t wlan_hdd_stub_addr_to_priv(void *ptr) |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 475 | { |
| 476 | uint32_t ipa_priv = 0; |
| 477 | |
| 478 | BUG_ON(ptr == NULL); |
| 479 | return ipa_priv; |
| 480 | } |
Leo Chang | cc923e2 | 2016-06-16 15:29:03 -0700 | [diff] [blame] | 481 | |
| 482 | #define HDD_IPA_WLAN_FRAG_HEADER sizeof(struct frag_header) |
| 483 | #define HDD_IPA_WLAN_IPA_HEADER sizeof(struct ipa_header) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 484 | #define HDD_IPA_WLAN_CLD_HDR_LEN sizeof(struct hdd_ipa_cld_hdr) |
| 485 | #define HDD_IPA_UC_WLAN_CLD_HDR_LEN 0 |
| 486 | #define HDD_IPA_WLAN_TX_HDR_LEN sizeof(struct hdd_ipa_tx_hdr) |
| 487 | #define HDD_IPA_UC_WLAN_TX_HDR_LEN sizeof(struct hdd_ipa_uc_tx_hdr) |
| 488 | #define HDD_IPA_WLAN_RX_HDR_LEN sizeof(struct hdd_ipa_rx_hdr) |
| 489 | #define HDD_IPA_UC_WLAN_RX_HDR_LEN sizeof(struct hdd_ipa_uc_rx_hdr) |
Leo Chang | cc923e2 | 2016-06-16 15:29:03 -0700 | [diff] [blame] | 490 | #define HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET \ |
| 491 | (HDD_IPA_WLAN_FRAG_HEADER + HDD_IPA_WLAN_IPA_HEADER) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 492 | |
| 493 | #define HDD_IPA_GET_IFACE_ID(_data) \ |
| 494 | (((struct hdd_ipa_cld_hdr *) (_data))->iface_id) |
| 495 | |
| 496 | #define HDD_IPA_LOG(LVL, fmt, args ...) \ |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 497 | QDF_TRACE(QDF_MODULE_ID_HDD, LVL, \ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 498 | "%s:%d: "fmt, __func__, __LINE__, ## args) |
| 499 | |
Govind Singh | b6a8977 | 2016-08-12 11:23:35 +0530 | [diff] [blame] | 500 | #define HDD_IPA_DP_LOG(LVL, fmt, args...) \ |
| 501 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, LVL, \ |
| 502 | "%s:%d: "fmt, __func__, __LINE__, ## args) |
| 503 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 504 | #define HDD_IPA_DBG_DUMP(_lvl, _prefix, _buf, _len) \ |
| 505 | do { \ |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 506 | QDF_TRACE(QDF_MODULE_ID_HDD, _lvl, "%s:", _prefix); \ |
| 507 | QDF_TRACE_HEX_DUMP(QDF_MODULE_ID_HDD, _lvl, _buf, _len); \ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 508 | } while (0) |
| 509 | |
| 510 | #define HDD_IPA_IS_CONFIG_ENABLED(_hdd_ctx, _mask) \ |
| 511 | (((_hdd_ctx)->config->IpaConfig & (_mask)) == (_mask)) |
| 512 | |
| 513 | #define HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa) \ |
| 514 | do { \ |
| 515 | hdd_ipa->ipa_rx_internel_drop_count++; \ |
| 516 | } while (0) |
| 517 | #define HDD_IPA_INCREASE_NET_SEND_COUNT(hdd_ipa) \ |
| 518 | do { \ |
| 519 | hdd_ipa->ipa_rx_net_send_count++; \ |
| 520 | } while (0) |
| 521 | #define HDD_BW_GET_DIFF(_x, _y) (unsigned long)((ULONG_MAX - (_y)) + (_x) + 1) |
| 522 | |
Leo Chang | 07b28f6 | 2016-05-11 12:29:22 -0700 | [diff] [blame] | 523 | #if defined (QCA_WIFI_3_0) && defined (CONFIG_IPA3) |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 524 | #define HDD_IPA_WDI2_SET(pipe_in, ipa_ctxt) \ |
| 525 | do { \ |
| 526 | pipe_in.u.ul.rdy_ring_rp_va = \ |
| 527 | ipa_ctxt->ipa_resource.rx_proc_done_idx_vaddr; \ |
| 528 | pipe_in.u.ul.rdy_comp_ring_base_pa = \ |
| 529 | ipa_ctxt->ipa_resource.rx2_rdy_ring_base_paddr;\ |
| 530 | pipe_in.u.ul.rdy_comp_ring_size = \ |
| 531 | ipa_ctxt->ipa_resource.rx2_rdy_ring_size; \ |
| 532 | pipe_in.u.ul.rdy_comp_ring_wp_pa = \ |
| 533 | ipa_ctxt->ipa_resource.rx2_proc_done_idx_paddr; \ |
| 534 | pipe_in.u.ul.rdy_comp_ring_wp_va = \ |
| 535 | ipa_ctxt->ipa_resource.rx2_proc_done_idx_vaddr; \ |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 536 | } while (0) |
Leo Chang | 63d7361 | 2016-10-18 18:09:43 -0700 | [diff] [blame] | 537 | |
| 538 | #define HDD_IPA_CHECK_HW() ipa_uc_reg_rdyCB(NULL) |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 539 | #else |
| 540 | /* Do nothing */ |
| 541 | #define HDD_IPA_WDI2_SET(pipe_in, ipa_ctxt) |
Leo Chang | 63d7361 | 2016-10-18 18:09:43 -0700 | [diff] [blame] | 542 | #define HDD_IPA_CHECK_HW() 0 |
Leo Chang | 07b28f6 | 2016-05-11 12:29:22 -0700 | [diff] [blame] | 543 | #endif /* IPA3 */ |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 544 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 545 | static struct hdd_ipa_adapter_2_client { |
| 546 | enum ipa_client_type cons_client; |
| 547 | enum ipa_client_type prod_client; |
| 548 | } hdd_ipa_adapter_2_client[HDD_IPA_MAX_IFACE] = { |
| 549 | { |
| 550 | IPA_CLIENT_WLAN2_CONS, IPA_CLIENT_WLAN1_PROD |
| 551 | }, { |
| 552 | IPA_CLIENT_WLAN3_CONS, IPA_CLIENT_WLAN1_PROD |
| 553 | }, { |
| 554 | IPA_CLIENT_WLAN4_CONS, IPA_CLIENT_WLAN1_PROD |
| 555 | }, |
| 556 | }; |
| 557 | |
| 558 | /* For Tx pipes, use Ethernet-II Header format */ |
| 559 | struct hdd_ipa_uc_tx_hdr ipa_uc_tx_hdr = { |
| 560 | { |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 561 | 0x0000, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 562 | 0x00000000, |
| 563 | 0x00000000 |
| 564 | }, |
| 565 | { |
| 566 | 0x00000000 |
| 567 | }, |
| 568 | { |
| 569 | {0x00, 0x03, 0x7f, 0xaa, 0xbb, 0xcc}, |
| 570 | {0x00, 0x03, 0x7f, 0xdd, 0xee, 0xff}, |
| 571 | 0x0008 |
| 572 | } |
| 573 | }; |
| 574 | |
| 575 | /* For Tx pipes, use 802.3 Header format */ |
| 576 | static struct hdd_ipa_tx_hdr ipa_tx_hdr = { |
| 577 | { |
| 578 | {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFF}, |
| 579 | {0xDE, 0xAD, 0xBE, 0xEF, 0xFF, 0xFF}, |
| 580 | 0x00 /* length can be zero */ |
| 581 | }, |
| 582 | { |
| 583 | /* LLC SNAP header 8 bytes */ |
| 584 | 0xaa, 0xaa, |
| 585 | {0x03, 0x00, 0x00, 0x00}, |
| 586 | 0x0008 /* type value(2 bytes) ,filled by wlan */ |
| 587 | /* 0x0800 - IPV4, 0x86dd - IPV6 */ |
| 588 | } |
| 589 | }; |
| 590 | |
| 591 | static const char *op_string[] = { |
| 592 | "TX_SUSPEND", |
| 593 | "TX_RESUME", |
| 594 | "RX_SUSPEND", |
| 595 | "RX_RESUME", |
| 596 | "STATS", |
| 597 | }; |
| 598 | |
| 599 | static struct hdd_ipa_priv *ghdd_ipa; |
| 600 | |
| 601 | /* Local Function Prototypes */ |
| 602 | static void hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
| 603 | unsigned long data); |
| 604 | static void hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
| 605 | unsigned long data); |
| 606 | |
| 607 | static void hdd_ipa_cleanup_iface(struct hdd_ipa_iface_context *iface_context); |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 608 | static void hdd_ipa_uc_proc_pending_event (struct hdd_ipa_priv *hdd_ipa); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 609 | |
| 610 | /** |
| 611 | * hdd_ipa_is_enabled() - Is IPA enabled? |
| 612 | * @hdd_ctx: Global HDD context |
| 613 | * |
| 614 | * Return: true if IPA is enabled, false otherwise |
| 615 | */ |
| 616 | bool hdd_ipa_is_enabled(hdd_context_t *hdd_ctx) |
| 617 | { |
| 618 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_ENABLE_MASK); |
| 619 | } |
| 620 | |
| 621 | /** |
| 622 | * hdd_ipa_uc_is_enabled() - Is IPA uC offload enabled? |
| 623 | * @hdd_ctx: Global HDD context |
| 624 | * |
| 625 | * Return: true if IPA uC offload is enabled, false otherwise |
| 626 | */ |
| 627 | bool hdd_ipa_uc_is_enabled(hdd_context_t *hdd_ctx) |
| 628 | { |
| 629 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_UC_ENABLE_MASK); |
| 630 | } |
| 631 | |
| 632 | /** |
| 633 | * hdd_ipa_uc_sta_is_enabled() - Is STA mode IPA uC offload enabled? |
| 634 | * @hdd_ctx: Global HDD context |
| 635 | * |
| 636 | * Return: true if STA mode IPA uC offload is enabled, false otherwise |
| 637 | */ |
| 638 | static inline bool hdd_ipa_uc_sta_is_enabled(hdd_context_t *hdd_ctx) |
| 639 | { |
| 640 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_UC_STA_ENABLE_MASK); |
| 641 | } |
| 642 | |
| 643 | /** |
Guolei Bian | ca144d8 | 2016-11-10 11:07:42 +0800 | [diff] [blame] | 644 | * hdd_ipa_uc_sta_reset_sta_connected() - Reset sta_connected flag |
| 645 | * @hdd_ipa: Global HDD IPA context |
| 646 | * |
| 647 | * Return: None |
| 648 | */ |
| 649 | #ifdef IPA_UC_STA_OFFLOAD |
| 650 | static inline void hdd_ipa_uc_sta_reset_sta_connected( |
| 651 | struct hdd_ipa_priv *hdd_ipa) |
| 652 | { |
| 653 | vos_lock_acquire(&hdd_ipa->event_lock); |
| 654 | hdd_ipa->sta_connected = 0; |
| 655 | vos_lock_release(&hdd_ipa->event_lock); |
| 656 | } |
| 657 | #else |
| 658 | static inline void hdd_ipa_uc_sta_reset_sta_connected( |
| 659 | struct hdd_ipa_priv *hdd_ipa) |
| 660 | { |
| 661 | } |
| 662 | #endif |
| 663 | |
| 664 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 665 | * hdd_ipa_is_pre_filter_enabled() - Is IPA pre-filter enabled? |
| 666 | * @hdd_ipa: Global HDD IPA context |
| 667 | * |
| 668 | * Return: true if pre-filter is enabled, otherwise false |
| 669 | */ |
| 670 | static inline bool hdd_ipa_is_pre_filter_enabled(hdd_context_t *hdd_ctx) |
| 671 | { |
| 672 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, |
| 673 | HDD_IPA_PRE_FILTER_ENABLE_MASK); |
| 674 | } |
| 675 | |
| 676 | /** |
| 677 | * hdd_ipa_is_ipv6_enabled() - Is IPA IPv6 enabled? |
| 678 | * @hdd_ipa: Global HDD IPA context |
| 679 | * |
| 680 | * Return: true if IPv6 is enabled, otherwise false |
| 681 | */ |
| 682 | static inline bool hdd_ipa_is_ipv6_enabled(hdd_context_t *hdd_ctx) |
| 683 | { |
| 684 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_IPV6_ENABLE_MASK); |
| 685 | } |
| 686 | |
| 687 | /** |
| 688 | * hdd_ipa_is_rm_enabled() - Is IPA resource manager enabled? |
| 689 | * @hdd_ipa: Global HDD IPA context |
| 690 | * |
| 691 | * Return: true if resource manager is enabled, otherwise false |
| 692 | */ |
| 693 | static inline bool hdd_ipa_is_rm_enabled(hdd_context_t *hdd_ctx) |
| 694 | { |
| 695 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_RM_ENABLE_MASK); |
| 696 | } |
| 697 | |
| 698 | /** |
| 699 | * hdd_ipa_is_rt_debugging_enabled() - Is IPA real-time debug enabled? |
| 700 | * @hdd_ipa: Global HDD IPA context |
| 701 | * |
| 702 | * Return: true if resource manager is enabled, otherwise false |
| 703 | */ |
| 704 | static inline bool hdd_ipa_is_rt_debugging_enabled(hdd_context_t *hdd_ctx) |
| 705 | { |
| 706 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, HDD_IPA_REAL_TIME_DEBUGGING); |
| 707 | } |
| 708 | |
| 709 | /** |
| 710 | * hdd_ipa_is_clk_scaling_enabled() - Is IPA clock scaling enabled? |
| 711 | * @hdd_ipa: Global HDD IPA context |
| 712 | * |
| 713 | * Return: true if clock scaling is enabled, otherwise false |
| 714 | */ |
| 715 | static inline bool hdd_ipa_is_clk_scaling_enabled(hdd_context_t *hdd_ctx) |
| 716 | { |
| 717 | return HDD_IPA_IS_CONFIG_ENABLED(hdd_ctx, |
| 718 | HDD_IPA_CLK_SCALING_ENABLE_MASK | |
| 719 | HDD_IPA_RM_ENABLE_MASK); |
| 720 | } |
| 721 | |
| 722 | /** |
| 723 | * hdd_ipa_uc_rt_debug_host_fill - fill rt debug buffer |
| 724 | * @ctext: pointer to hdd context. |
| 725 | * |
| 726 | * If rt debug enabled, periodically called, and fill debug buffer |
| 727 | * |
| 728 | * Return: none |
| 729 | */ |
| 730 | static void hdd_ipa_uc_rt_debug_host_fill(void *ctext) |
| 731 | { |
| 732 | hdd_context_t *hdd_ctx = (hdd_context_t *)ctext; |
| 733 | struct hdd_ipa_priv *hdd_ipa; |
| 734 | struct uc_rt_debug_info *dump_info = NULL; |
| 735 | |
| 736 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 737 | return; |
| 738 | |
| 739 | if (!hdd_ctx->hdd_ipa || !hdd_ipa_uc_is_enabled(hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 740 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 741 | "%s: IPA UC is not enabled", __func__); |
| 742 | return; |
| 743 | } |
| 744 | |
| 745 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 746 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 747 | qdf_mutex_acquire(&hdd_ipa->rt_debug_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 748 | dump_info = &hdd_ipa->rt_bug_buffer[ |
| 749 | hdd_ipa->rt_buf_fill_index % HDD_IPA_UC_RT_DEBUG_BUF_COUNT]; |
| 750 | |
Deepthi Gowri | 6acee34 | 2016-10-28 15:00:38 +0530 | [diff] [blame] | 751 | dump_info->time = (uint64_t)qdf_mc_timer_get_system_time(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 752 | dump_info->ipa_excep_count = hdd_ipa->stats.num_rx_excep; |
| 753 | dump_info->rx_drop_count = hdd_ipa->ipa_rx_internel_drop_count; |
| 754 | dump_info->net_sent_count = hdd_ipa->ipa_rx_net_send_count; |
| 755 | dump_info->rx_discard_count = hdd_ipa->ipa_rx_discard; |
| 756 | dump_info->tx_mcbc_count = hdd_ipa->stats.num_tx_bcmc; |
| 757 | dump_info->tx_fwd_count = hdd_ipa->ipa_tx_forward; |
| 758 | dump_info->rx_destructor_call = hdd_ipa->ipa_rx_destructor_count; |
| 759 | hdd_ipa->rt_buf_fill_index++; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 760 | qdf_mutex_release(&hdd_ipa->rt_debug_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 761 | |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 762 | qdf_mc_timer_start(&hdd_ipa->rt_debug_fill_timer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 763 | HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL); |
| 764 | } |
| 765 | |
| 766 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 767 | * __hdd_ipa_uc_rt_debug_host_dump - dump rt debug buffer |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 768 | * @hdd_ctx: pointer to hdd context. |
| 769 | * |
| 770 | * If rt debug enabled, dump debug buffer contents based on requirement |
| 771 | * |
| 772 | * Return: none |
| 773 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 774 | static void __hdd_ipa_uc_rt_debug_host_dump(hdd_context_t *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 775 | { |
| 776 | struct hdd_ipa_priv *hdd_ipa; |
| 777 | unsigned int dump_count; |
| 778 | unsigned int dump_index; |
| 779 | struct uc_rt_debug_info *dump_info = NULL; |
| 780 | |
| 781 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 782 | return; |
| 783 | |
| 784 | hdd_ipa = hdd_ctx->hdd_ipa; |
| 785 | if (!hdd_ipa || !hdd_ipa_uc_is_enabled(hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 786 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 787 | "%s: IPA UC is not enabled", __func__); |
| 788 | return; |
| 789 | } |
| 790 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 791 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 792 | "========= WLAN-IPA DEBUG BUF DUMP ==========\n"); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 793 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 794 | " TM : EXEP : DROP : NETS : MCBC : TXFD : DSTR : DSCD\n"); |
| 795 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 796 | qdf_mutex_acquire(&hdd_ipa->rt_debug_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 797 | for (dump_count = 0; |
| 798 | dump_count < HDD_IPA_UC_RT_DEBUG_BUF_COUNT; |
| 799 | dump_count++) { |
| 800 | dump_index = (hdd_ipa->rt_buf_fill_index + dump_count) % |
| 801 | HDD_IPA_UC_RT_DEBUG_BUF_COUNT; |
| 802 | dump_info = &hdd_ipa->rt_bug_buffer[dump_index]; |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 803 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Deepthi Gowri | 6acee34 | 2016-10-28 15:00:38 +0530 | [diff] [blame] | 804 | "%12llu:%10llu:%10llu:%10llu:%10llu:%10llu:%10llu:%10llu\n", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 805 | dump_info->time, dump_info->ipa_excep_count, |
| 806 | dump_info->rx_drop_count, dump_info->net_sent_count, |
| 807 | dump_info->tx_mcbc_count, dump_info->tx_fwd_count, |
| 808 | dump_info->rx_destructor_call, |
| 809 | dump_info->rx_discard_count); |
| 810 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 811 | qdf_mutex_release(&hdd_ipa->rt_debug_lock); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 812 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 813 | "======= WLAN-IPA DEBUG BUF DUMP END ========\n"); |
| 814 | } |
| 815 | |
| 816 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 817 | * hdd_ipa_uc_rt_debug_host_dump - SSR wrapper for |
| 818 | * __hdd_ipa_uc_rt_debug_host_dump |
| 819 | * @hdd_ctx: pointer to hdd context. |
| 820 | * |
| 821 | * If rt debug enabled, dump debug buffer contents based on requirement |
| 822 | * |
| 823 | * Return: none |
| 824 | */ |
| 825 | void hdd_ipa_uc_rt_debug_host_dump(hdd_context_t *hdd_ctx) |
| 826 | { |
| 827 | cds_ssr_protect(__func__); |
| 828 | __hdd_ipa_uc_rt_debug_host_dump(hdd_ctx); |
| 829 | cds_ssr_unprotect(__func__); |
| 830 | } |
| 831 | |
| 832 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 833 | * hdd_ipa_uc_rt_debug_handler - periodic memory health monitor handler |
| 834 | * @ctext: pointer to hdd context. |
| 835 | * |
| 836 | * periodically called by timer expire |
| 837 | * will try to alloc dummy memory and detect out of memory condition |
| 838 | * if out of memory detected, dump wlan-ipa stats |
| 839 | * |
| 840 | * Return: none |
| 841 | */ |
| 842 | static void hdd_ipa_uc_rt_debug_handler(void *ctext) |
| 843 | { |
| 844 | hdd_context_t *hdd_ctx = (hdd_context_t *)ctext; |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 845 | struct hdd_ipa_priv *hdd_ipa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 846 | void *dummy_ptr = NULL; |
| 847 | |
| 848 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 849 | return; |
| 850 | |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 851 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 852 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 853 | if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 854 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 855 | "%s: IPA RT debug is not enabled", __func__); |
| 856 | return; |
| 857 | } |
| 858 | |
| 859 | /* Allocate dummy buffer periodically and free immediately. this will |
| 860 | * proactively detect OOM and if allocation fails dump ipa stats |
| 861 | */ |
| 862 | dummy_ptr = kmalloc(HDD_IPA_UC_DEBUG_DUMMY_MEM_SIZE, |
| 863 | GFP_KERNEL | GFP_ATOMIC); |
| 864 | if (!dummy_ptr) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 865 | HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 866 | "%s: Dummy alloc fail", __func__); |
| 867 | hdd_ipa_uc_rt_debug_host_dump(hdd_ctx); |
| 868 | hdd_ipa_uc_stat_request( |
Krunal Soni | be766b0 | 2016-03-10 13:00:44 -0800 | [diff] [blame] | 869 | hdd_get_adapter(hdd_ctx, QDF_SAP_MODE), 1); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 870 | } else { |
| 871 | kfree(dummy_ptr); |
| 872 | } |
| 873 | |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 874 | qdf_mc_timer_start(&hdd_ipa->rt_debug_timer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 875 | HDD_IPA_UC_RT_DEBUG_PERIOD); |
| 876 | } |
| 877 | |
| 878 | /** |
| 879 | * hdd_ipa_uc_rt_debug_destructor - called by data packet free |
| 880 | * @skb: packet pinter |
| 881 | * |
| 882 | * when free data packet, will be invoked by wlan client and will increase |
| 883 | * free counter |
| 884 | * |
| 885 | * Return: none |
| 886 | */ |
Jeff Johnson | d772063 | 2016-10-05 16:04:32 -0700 | [diff] [blame] | 887 | static void hdd_ipa_uc_rt_debug_destructor(struct sk_buff *skb) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 888 | { |
| 889 | if (!ghdd_ipa) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 890 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 891 | "%s: invalid hdd context", __func__); |
| 892 | return; |
| 893 | } |
| 894 | |
| 895 | ghdd_ipa->ipa_rx_destructor_count++; |
| 896 | } |
| 897 | |
| 898 | /** |
| 899 | * hdd_ipa_uc_rt_debug_deinit - remove resources to handle rt debugging |
| 900 | * @hdd_ctx: hdd main context |
| 901 | * |
| 902 | * free all rt debugging resources |
| 903 | * |
| 904 | * Return: none |
| 905 | */ |
| 906 | static void hdd_ipa_uc_rt_debug_deinit(hdd_context_t *hdd_ctx) |
| 907 | { |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 908 | struct hdd_ipa_priv *hdd_ipa; |
| 909 | |
| 910 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 911 | return; |
| 912 | |
| 913 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 914 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 915 | qdf_mutex_destroy(&hdd_ipa->rt_debug_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 916 | |
| 917 | if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 918 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 919 | "%s: IPA RT debug is not enabled", __func__); |
| 920 | return; |
| 921 | } |
| 922 | |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 923 | if (QDF_TIMER_STATE_STOPPED != |
Prakash Dhavali | 169de30 | 2016-11-30 12:52:49 -0800 | [diff] [blame] | 924 | qdf_mc_timer_get_current_state(&hdd_ipa->rt_debug_fill_timer)) { |
| 925 | qdf_mc_timer_stop(&hdd_ipa->rt_debug_fill_timer); |
| 926 | } |
| 927 | qdf_mc_timer_destroy(&hdd_ipa->rt_debug_fill_timer); |
| 928 | |
| 929 | if (QDF_TIMER_STATE_STOPPED != |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 930 | qdf_mc_timer_get_current_state(&hdd_ipa->rt_debug_timer)) { |
| 931 | qdf_mc_timer_stop(&hdd_ipa->rt_debug_timer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 932 | } |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 933 | qdf_mc_timer_destroy(&hdd_ipa->rt_debug_timer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 934 | } |
| 935 | |
| 936 | /** |
| 937 | * hdd_ipa_uc_rt_debug_init - intialize resources to handle rt debugging |
| 938 | * @hdd_ctx: hdd main context |
| 939 | * |
| 940 | * alloc and initialize all rt debugging resources |
| 941 | * |
| 942 | * Return: none |
| 943 | */ |
| 944 | static void hdd_ipa_uc_rt_debug_init(hdd_context_t *hdd_ctx) |
| 945 | { |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 946 | struct hdd_ipa_priv *hdd_ipa; |
| 947 | |
| 948 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 949 | return; |
| 950 | |
| 951 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 952 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 953 | qdf_mutex_create(&hdd_ipa->rt_debug_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 954 | hdd_ipa->rt_buf_fill_index = 0; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 955 | qdf_mem_zero(hdd_ipa->rt_bug_buffer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 956 | sizeof(struct uc_rt_debug_info) * |
| 957 | HDD_IPA_UC_RT_DEBUG_BUF_COUNT); |
| 958 | hdd_ipa->ipa_tx_forward = 0; |
| 959 | hdd_ipa->ipa_rx_discard = 0; |
| 960 | hdd_ipa->ipa_rx_net_send_count = 0; |
| 961 | hdd_ipa->ipa_rx_internel_drop_count = 0; |
| 962 | hdd_ipa->ipa_rx_destructor_count = 0; |
| 963 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 964 | /* Reatime debug enable on feature enable */ |
| 965 | if (!hdd_ipa_is_rt_debugging_enabled(hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 966 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 967 | "%s: IPA RT debug is not enabled", __func__); |
| 968 | return; |
| 969 | } |
Yun Park | dfc1da5 | 2016-11-15 14:50:11 -0800 | [diff] [blame] | 970 | |
| 971 | qdf_mc_timer_init(&hdd_ipa->rt_debug_fill_timer, QDF_TIMER_TYPE_SW, |
| 972 | hdd_ipa_uc_rt_debug_host_fill, (void *)hdd_ctx); |
| 973 | qdf_mc_timer_start(&hdd_ipa->rt_debug_fill_timer, |
| 974 | HDD_IPA_UC_RT_DEBUG_FILL_INTERVAL); |
| 975 | |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 976 | qdf_mc_timer_init(&hdd_ipa->rt_debug_timer, QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 977 | hdd_ipa_uc_rt_debug_handler, (void *)hdd_ctx); |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 978 | qdf_mc_timer_start(&hdd_ipa->rt_debug_timer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 979 | HDD_IPA_UC_RT_DEBUG_PERIOD); |
| 980 | |
| 981 | } |
| 982 | |
| 983 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 984 | * __hdd_ipa_uc_stat_query() - Query the IPA stats |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 985 | * @hdd_ctx: Global HDD context |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 986 | * @ipa_tx_diff: tx packet count diff from previous tx packet count |
| 987 | * @ipa_rx_diff: rx packet count diff from previous rx packet count |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 988 | * |
| 989 | * Return: true if IPA is enabled, false otherwise |
| 990 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 991 | static void __hdd_ipa_uc_stat_query(hdd_context_t *hdd_ctx, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 992 | uint32_t *ipa_tx_diff, uint32_t *ipa_rx_diff) |
| 993 | { |
| 994 | struct hdd_ipa_priv *hdd_ipa; |
| 995 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 996 | *ipa_tx_diff = 0; |
| 997 | *ipa_rx_diff = 0; |
| 998 | |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 999 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 1000 | return; |
| 1001 | |
| 1002 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 1003 | |
| 1004 | if (!hdd_ipa_is_enabled(hdd_ctx) || |
| 1005 | !(hdd_ipa_uc_is_enabled(hdd_ctx))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1006 | return; |
| 1007 | } |
| 1008 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1009 | qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1010 | if ((HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) && |
| 1011 | (false == hdd_ipa->resource_loading)) { |
| 1012 | *ipa_tx_diff = hdd_ipa->ipa_tx_packets_diff; |
| 1013 | *ipa_rx_diff = hdd_ipa->ipa_rx_packets_diff; |
Yun Park | f8d6a12 | 2016-10-11 15:49:43 -0700 | [diff] [blame] | 1014 | HDD_IPA_LOG(LOGOFF, "STAT Query TX DIFF %d, RX DIFF %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1015 | *ipa_tx_diff, *ipa_rx_diff); |
| 1016 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1017 | qdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1018 | return; |
| 1019 | } |
| 1020 | |
| 1021 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 1022 | * hdd_ipa_uc_stat_query() - SSR wrapper for __hdd_ipa_uc_stat_query |
| 1023 | * @hdd_ctx: Global HDD context |
| 1024 | * @ipa_tx_diff: tx packet count diff from previous tx packet count |
| 1025 | * @ipa_rx_diff: rx packet count diff from previous rx packet count |
| 1026 | * |
| 1027 | * Return: true if IPA is enabled, false otherwise |
| 1028 | */ |
| 1029 | void hdd_ipa_uc_stat_query(hdd_context_t *hdd_ctx, |
| 1030 | uint32_t *ipa_tx_diff, uint32_t *ipa_rx_diff) |
| 1031 | { |
| 1032 | cds_ssr_protect(__func__); |
| 1033 | __hdd_ipa_uc_stat_query(hdd_ctx, ipa_tx_diff, ipa_rx_diff); |
| 1034 | cds_ssr_unprotect(__func__); |
| 1035 | } |
| 1036 | |
| 1037 | /** |
| 1038 | * __hdd_ipa_uc_stat_request() - Get IPA stats from IPA. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1039 | * @adapter: network adapter |
| 1040 | * @reason: STAT REQ Reason |
| 1041 | * |
| 1042 | * Return: None |
| 1043 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 1044 | static void __hdd_ipa_uc_stat_request(hdd_adapter_t *adapter, uint8_t reason) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1045 | { |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 1046 | hdd_context_t *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1047 | struct hdd_ipa_priv *hdd_ipa; |
| 1048 | |
| 1049 | if (!adapter) { |
| 1050 | return; |
| 1051 | } |
| 1052 | |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 1053 | hdd_ctx = (hdd_context_t *)adapter->pHddCtx; |
| 1054 | |
| 1055 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 1056 | return; |
| 1057 | |
| 1058 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 1059 | if (!hdd_ipa_is_enabled(hdd_ctx) || |
| 1060 | !(hdd_ipa_uc_is_enabled(hdd_ctx))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1061 | return; |
| 1062 | } |
| 1063 | |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 1064 | HDD_IPA_LOG(LOGOFF, "STAT REQ Reason %d", reason); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1065 | qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1066 | if ((HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) && |
| 1067 | (false == hdd_ipa->resource_loading)) { |
| 1068 | hdd_ipa->stat_req_reason = reason; |
| 1069 | wma_cli_set_command( |
| 1070 | (int)adapter->sessionId, |
| 1071 | (int)WMA_VDEV_TXRX_GET_IPA_UC_FW_STATS_CMDID, |
| 1072 | 0, VDEV_CMD); |
| 1073 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1074 | qdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1075 | } |
| 1076 | |
| 1077 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 1078 | * hdd_ipa_uc_stat_request() - SSR wrapper for __hdd_ipa_uc_stat_request |
| 1079 | * @adapter: network adapter |
| 1080 | * @reason: STAT REQ Reason |
| 1081 | * |
| 1082 | * Return: None |
| 1083 | */ |
| 1084 | void hdd_ipa_uc_stat_request(hdd_adapter_t *adapter, uint8_t reason) |
| 1085 | { |
| 1086 | cds_ssr_protect(__func__); |
| 1087 | __hdd_ipa_uc_stat_request(adapter, reason); |
| 1088 | cds_ssr_unprotect(__func__); |
| 1089 | } |
| 1090 | |
| 1091 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1092 | * hdd_ipa_uc_find_add_assoc_sta() - Find associated station |
| 1093 | * @hdd_ipa: Global HDD IPA context |
| 1094 | * @sta_add: Should station be added |
| 1095 | * @sta_id: ID of the station being queried |
| 1096 | * |
| 1097 | * Return: true if the station was found |
| 1098 | */ |
| 1099 | static bool hdd_ipa_uc_find_add_assoc_sta(struct hdd_ipa_priv *hdd_ipa, |
| 1100 | bool sta_add, uint8_t sta_id) |
| 1101 | { |
| 1102 | bool sta_found = false; |
| 1103 | uint8_t idx; |
| 1104 | for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| 1105 | if ((hdd_ipa->assoc_stas_map[idx].is_reserved) && |
| 1106 | (hdd_ipa->assoc_stas_map[idx].sta_id == sta_id)) { |
| 1107 | sta_found = true; |
| 1108 | break; |
| 1109 | } |
| 1110 | } |
| 1111 | if (sta_add && sta_found) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1112 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1113 | "%s: STA ID %d already exist, cannot add", |
| 1114 | __func__, sta_id); |
| 1115 | return sta_found; |
| 1116 | } |
| 1117 | if (sta_add) { |
| 1118 | for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| 1119 | if (!hdd_ipa->assoc_stas_map[idx].is_reserved) { |
| 1120 | hdd_ipa->assoc_stas_map[idx].is_reserved = true; |
| 1121 | hdd_ipa->assoc_stas_map[idx].sta_id = sta_id; |
| 1122 | return sta_found; |
| 1123 | } |
| 1124 | } |
| 1125 | } |
| 1126 | if (!sta_add && !sta_found) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1127 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1128 | "%s: STA ID %d does not exist, cannot delete", |
| 1129 | __func__, sta_id); |
| 1130 | return sta_found; |
| 1131 | } |
| 1132 | if (!sta_add) { |
| 1133 | for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| 1134 | if ((hdd_ipa->assoc_stas_map[idx].is_reserved) && |
| 1135 | (hdd_ipa->assoc_stas_map[idx].sta_id == sta_id)) { |
| 1136 | hdd_ipa->assoc_stas_map[idx].is_reserved = |
| 1137 | false; |
| 1138 | hdd_ipa->assoc_stas_map[idx].sta_id = 0xFF; |
| 1139 | return sta_found; |
| 1140 | } |
| 1141 | } |
| 1142 | } |
| 1143 | return sta_found; |
| 1144 | } |
| 1145 | |
| 1146 | /** |
| 1147 | * hdd_ipa_uc_enable_pipes() - Enable IPA uC pipes |
| 1148 | * @hdd_ipa: Global HDD IPA context |
| 1149 | * |
| 1150 | * Return: 0 on success, negative errno if error |
| 1151 | */ |
| 1152 | static int hdd_ipa_uc_enable_pipes(struct hdd_ipa_priv *hdd_ipa) |
| 1153 | { |
| 1154 | int result; |
| 1155 | p_cds_contextType cds_ctx = hdd_ipa->hdd_ctx->pcds_context; |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1156 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1157 | |
| 1158 | /* ACTIVATE TX PIPE */ |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1159 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1160 | "%s: Enable TX PIPE(tx_pipe_handle=%d)", |
| 1161 | __func__, hdd_ipa->tx_pipe_handle); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1162 | result = ipa_enable_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| 1163 | if (result) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1164 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1165 | "%s: Enable TX PIPE fail, code %d", |
| 1166 | __func__, result); |
| 1167 | return result; |
| 1168 | } |
| 1169 | result = ipa_resume_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| 1170 | if (result) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1171 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1172 | "%s: Resume TX PIPE fail, code %d", |
| 1173 | __func__, result); |
| 1174 | return result; |
| 1175 | } |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1176 | cdp_ipa_set_active(soc, cds_ctx->pdev_txrx_ctx, true, true); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1177 | |
| 1178 | /* ACTIVATE RX PIPE */ |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1179 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1180 | "%s: Enable RX PIPE(rx_pipe_handle=%d)", |
| 1181 | __func__, hdd_ipa->rx_pipe_handle); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1182 | result = ipa_enable_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| 1183 | if (result) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1184 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1185 | "%s: Enable RX PIPE fail, code %d", |
| 1186 | __func__, result); |
| 1187 | return result; |
| 1188 | } |
| 1189 | result = ipa_resume_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| 1190 | if (result) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1191 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1192 | "%s: Resume RX PIPE fail, code %d", |
| 1193 | __func__, result); |
| 1194 | return result; |
| 1195 | } |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1196 | cdp_ipa_set_active(soc, cds_ctx->pdev_txrx_ctx, true, false); |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1197 | hdd_ipa->ipa_pipes_down = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1198 | return 0; |
| 1199 | } |
| 1200 | |
| 1201 | /** |
| 1202 | * hdd_ipa_uc_disable_pipes() - Disable IPA uC pipes |
| 1203 | * @hdd_ipa: Global HDD IPA context |
| 1204 | * |
| 1205 | * Return: 0 on success, negative errno if error |
| 1206 | */ |
| 1207 | static int hdd_ipa_uc_disable_pipes(struct hdd_ipa_priv *hdd_ipa) |
| 1208 | { |
| 1209 | int result; |
| 1210 | |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1211 | hdd_ipa->ipa_pipes_down = true; |
| 1212 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1213 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Disable RX PIPE", __func__); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1214 | result = ipa_suspend_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| 1215 | if (result) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1216 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1217 | "%s: Suspend RX PIPE fail, code %d", |
| 1218 | __func__, result); |
| 1219 | return result; |
| 1220 | } |
| 1221 | result = ipa_disable_wdi_pipe(hdd_ipa->rx_pipe_handle); |
| 1222 | if (result) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1223 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1224 | "%s: Disable RX PIPE fail, code %d", |
| 1225 | __func__, result); |
| 1226 | return result; |
| 1227 | } |
| 1228 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1229 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Disable TX PIPE", __func__); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1230 | result = ipa_suspend_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| 1231 | if (result) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1232 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1233 | "%s: Suspend TX PIPE fail, code %d", |
| 1234 | __func__, result); |
| 1235 | return result; |
| 1236 | } |
| 1237 | result = ipa_disable_wdi_pipe(hdd_ipa->tx_pipe_handle); |
| 1238 | if (result) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1239 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1240 | "%s: Disable TX PIPE fail, code %d", |
| 1241 | __func__, result); |
| 1242 | return result; |
| 1243 | } |
| 1244 | |
| 1245 | return 0; |
| 1246 | } |
| 1247 | |
| 1248 | /** |
| 1249 | * hdd_ipa_uc_handle_first_con() - Handle first uC IPA connection |
| 1250 | * @hdd_ipa: Global HDD IPA context |
| 1251 | * |
| 1252 | * Return: 0 on success, negative errno if error |
| 1253 | */ |
| 1254 | static int hdd_ipa_uc_handle_first_con(struct hdd_ipa_priv *hdd_ipa) |
| 1255 | { |
| 1256 | hdd_ipa->activated_fw_pipe = 0; |
| 1257 | hdd_ipa->resource_loading = true; |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1258 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1259 | /* If RM feature enabled |
| 1260 | * Request PROD Resource first |
| 1261 | * PROD resource may return sync or async manners */ |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1262 | if (hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) { |
| 1263 | if (!ipa_rm_request_resource(IPA_RM_RESOURCE_WLAN_PROD)) { |
| 1264 | /* RM PROD request sync return |
| 1265 | * enable pipe immediately |
| 1266 | */ |
| 1267 | if (hdd_ipa_uc_enable_pipes(hdd_ipa)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1268 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1269 | "%s: IPA WDI Pipe activation failed", |
| 1270 | __func__); |
| 1271 | hdd_ipa->resource_loading = false; |
| 1272 | return -EBUSY; |
| 1273 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1274 | } |
| 1275 | } else { |
| 1276 | /* RM Disabled |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1277 | * Just enabled all the PIPEs |
| 1278 | */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1279 | if (hdd_ipa_uc_enable_pipes(hdd_ipa)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1280 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1281 | "%s: IPA WDI Pipe activation failed", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1282 | __func__); |
| 1283 | hdd_ipa->resource_loading = false; |
| 1284 | return -EBUSY; |
| 1285 | } |
| 1286 | hdd_ipa->resource_loading = false; |
| 1287 | } |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1288 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1289 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Yun Park | 4cab6ee | 2015-10-27 11:43:40 -0700 | [diff] [blame] | 1290 | "%s: IPA WDI Pipes activated successfully", __func__); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1291 | return 0; |
| 1292 | } |
| 1293 | |
| 1294 | /** |
| 1295 | * hdd_ipa_uc_handle_last_discon() - Handle last uC IPA disconnection |
| 1296 | * @hdd_ipa: Global HDD IPA context |
| 1297 | * |
| 1298 | * Return: None |
| 1299 | */ |
| 1300 | static void hdd_ipa_uc_handle_last_discon(struct hdd_ipa_priv *hdd_ipa) |
| 1301 | { |
| 1302 | p_cds_contextType cds_ctx = hdd_ipa->hdd_ctx->pcds_context; |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1303 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1304 | |
Yun Park | 7c4f31b | 2016-11-30 10:09:21 -0800 | [diff] [blame] | 1305 | if (!cds_ctx || !cds_ctx->pdev_txrx_ctx) { |
| 1306 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "txrx context is NULL"); |
| 1307 | QDF_ASSERT(0); |
| 1308 | return; |
| 1309 | } |
| 1310 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1311 | hdd_ipa->resource_unloading = true; |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1312 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Disable FW RX PIPE", __func__); |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1313 | cdp_ipa_set_active(soc, cds_ctx->pdev_txrx_ctx, false, false); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1314 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Disable FW TX PIPE", __func__); |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1315 | cdp_ipa_set_active(soc, cds_ctx->pdev_txrx_ctx, false, true); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1316 | } |
| 1317 | |
| 1318 | /** |
| 1319 | * hdd_ipa_uc_rm_notify_handler() - IPA uC resource notification handler |
| 1320 | * @context: User context registered with TL (the IPA Global context is |
| 1321 | * registered |
| 1322 | * @rxpkt: Packet containing the notification |
| 1323 | * @staid: ID of the station associated with the packet |
| 1324 | * |
| 1325 | * Return: None |
| 1326 | */ |
| 1327 | static void |
| 1328 | hdd_ipa_uc_rm_notify_handler(void *context, enum ipa_rm_event event) |
| 1329 | { |
| 1330 | struct hdd_ipa_priv *hdd_ipa = context; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1331 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1332 | |
| 1333 | /* |
| 1334 | * When SSR is going on or driver is unloading, just return. |
| 1335 | */ |
| 1336 | status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
Abhishek Singh | 23edd1c | 2016-05-05 11:56:06 +0530 | [diff] [blame] | 1337 | if (status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1338 | return; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1339 | |
| 1340 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 1341 | return; |
| 1342 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1343 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s, event code %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1344 | __func__, event); |
| 1345 | |
| 1346 | switch (event) { |
| 1347 | case IPA_RM_RESOURCE_GRANTED: |
| 1348 | /* Differed RM Granted */ |
| 1349 | hdd_ipa_uc_enable_pipes(hdd_ipa); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1350 | qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1351 | if ((false == hdd_ipa->resource_unloading) && |
| 1352 | (!hdd_ipa->activated_fw_pipe)) { |
| 1353 | hdd_ipa_uc_enable_pipes(hdd_ipa); |
| 1354 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1355 | qdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1356 | break; |
| 1357 | |
| 1358 | case IPA_RM_RESOURCE_RELEASED: |
| 1359 | /* Differed RM Released */ |
| 1360 | hdd_ipa->resource_unloading = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1361 | break; |
| 1362 | |
| 1363 | default: |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1364 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1365 | "%s, invalid event code %d", __func__, event); |
| 1366 | break; |
| 1367 | } |
| 1368 | } |
| 1369 | |
| 1370 | /** |
| 1371 | * hdd_ipa_uc_rm_notify_defer() - Defer IPA uC notification |
| 1372 | * @hdd_ipa: Global HDD IPA context |
| 1373 | * @event: IPA resource manager event to be deferred |
| 1374 | * |
| 1375 | * This function is called when a resource manager event is received |
| 1376 | * from firmware in interrupt context. This function will defer the |
| 1377 | * handling to the OL RX thread |
| 1378 | * |
| 1379 | * Return: None |
| 1380 | */ |
| 1381 | static void hdd_ipa_uc_rm_notify_defer(struct work_struct *work) |
| 1382 | { |
| 1383 | enum ipa_rm_event event; |
| 1384 | struct uc_rm_work_struct *uc_rm_work = container_of(work, |
| 1385 | struct uc_rm_work_struct, work); |
| 1386 | struct hdd_ipa_priv *hdd_ipa = container_of(uc_rm_work, |
| 1387 | struct hdd_ipa_priv, uc_rm_work); |
| 1388 | |
| 1389 | cds_ssr_protect(__func__); |
| 1390 | event = uc_rm_work->event; |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1391 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1392 | "%s, posted event %d", __func__, event); |
| 1393 | |
| 1394 | hdd_ipa_uc_rm_notify_handler(hdd_ipa, event); |
| 1395 | cds_ssr_unprotect(__func__); |
| 1396 | |
| 1397 | return; |
| 1398 | } |
| 1399 | |
| 1400 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1401 | * hdd_ipa_uc_op_cb() - IPA uC operation callback |
| 1402 | * @op_msg: operation message received from firmware |
| 1403 | * @usr_ctxt: user context registered with TL (we register the HDD Global |
| 1404 | * context) |
| 1405 | * |
| 1406 | * Return: None |
| 1407 | */ |
| 1408 | static void hdd_ipa_uc_op_cb(struct op_msg_type *op_msg, void *usr_ctxt) |
| 1409 | { |
| 1410 | struct op_msg_type *msg = op_msg; |
| 1411 | struct ipa_uc_fw_stats *uc_fw_stat; |
| 1412 | struct IpaHwStatsWDIInfoData_t ipa_stat; |
| 1413 | struct hdd_ipa_priv *hdd_ipa; |
| 1414 | hdd_context_t *hdd_ctx; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1415 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1416 | |
| 1417 | if (!op_msg || !usr_ctxt) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1418 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "%s, INVALID ARG", __func__); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1419 | return; |
| 1420 | } |
| 1421 | |
| 1422 | if (HDD_IPA_UC_OPCODE_MAX <= msg->op_code) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1423 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1424 | "%s, INVALID OPCODE %d", __func__, msg->op_code); |
| 1425 | return; |
| 1426 | } |
| 1427 | |
| 1428 | hdd_ctx = (hdd_context_t *) usr_ctxt; |
| 1429 | |
| 1430 | /* |
| 1431 | * When SSR is going on or driver is unloading, just return. |
| 1432 | */ |
| 1433 | status = wlan_hdd_validate_context(hdd_ctx); |
Abhishek Singh | 23edd1c | 2016-05-05 11:56:06 +0530 | [diff] [blame] | 1434 | if (status) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1435 | qdf_mem_free(op_msg); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1436 | return; |
| 1437 | } |
| 1438 | |
| 1439 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 1440 | |
Govind Singh | b6a8977 | 2016-08-12 11:23:35 +0530 | [diff] [blame] | 1441 | HDD_IPA_DP_LOG(QDF_TRACE_LEVEL_DEBUG, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1442 | "%s, OPCODE %s", __func__, op_string[msg->op_code]); |
| 1443 | |
| 1444 | if ((HDD_IPA_UC_OPCODE_TX_RESUME == msg->op_code) || |
| 1445 | (HDD_IPA_UC_OPCODE_RX_RESUME == msg->op_code)) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1446 | qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1447 | hdd_ipa->activated_fw_pipe++; |
| 1448 | if (HDD_IPA_UC_NUM_WDI_PIPE == hdd_ipa->activated_fw_pipe) { |
| 1449 | hdd_ipa->resource_loading = false; |
| 1450 | hdd_ipa_uc_proc_pending_event(hdd_ipa); |
Yun Park | ccc6d7a | 2015-12-02 14:50:13 -0800 | [diff] [blame] | 1451 | if (hdd_ipa->pending_cons_req) |
| 1452 | ipa_rm_notify_completion( |
| 1453 | IPA_RM_RESOURCE_GRANTED, |
| 1454 | IPA_RM_RESOURCE_WLAN_CONS); |
Yun Park | 5b63501 | 2015-12-02 15:05:01 -0800 | [diff] [blame] | 1455 | hdd_ipa->pending_cons_req = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1456 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1457 | qdf_mutex_release(&hdd_ipa->ipa_lock); |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1458 | } else if ((HDD_IPA_UC_OPCODE_TX_SUSPEND == msg->op_code) || |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1459 | (HDD_IPA_UC_OPCODE_RX_SUSPEND == msg->op_code)) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1460 | qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1461 | hdd_ipa->activated_fw_pipe--; |
| 1462 | if (!hdd_ipa->activated_fw_pipe) { |
| 1463 | hdd_ipa_uc_disable_pipes(hdd_ipa); |
Yun Park | 5b63501 | 2015-12-02 15:05:01 -0800 | [diff] [blame] | 1464 | if (hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 1465 | ipa_rm_release_resource( |
| 1466 | IPA_RM_RESOURCE_WLAN_PROD); |
| 1467 | /* Sync return success from IPA |
| 1468 | * Enable/resume all the PIPEs */ |
| 1469 | hdd_ipa->resource_unloading = false; |
| 1470 | hdd_ipa_uc_proc_pending_event(hdd_ipa); |
| 1471 | hdd_ipa->pending_cons_req = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1472 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1473 | qdf_mutex_release(&hdd_ipa->ipa_lock); |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1474 | } else if ((HDD_IPA_UC_OPCODE_STATS == msg->op_code) && |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1475 | (HDD_IPA_UC_STAT_REASON_DEBUG == hdd_ipa->stat_req_reason)) { |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 1476 | struct ol_txrx_ipa_resources *res = &hdd_ipa->ipa_resource; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1477 | /* STATs from host */ |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 1478 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1479 | "==== IPA_UC WLAN_HOST CE ====\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1480 | "CE RING BASE: 0x%llx\n" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1481 | "CE RING SIZE: %d\n" |
| 1482 | "CE REG ADDR : 0x%llx", |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 1483 | (unsigned long long)res->ce_sr_base_paddr, |
| 1484 | res->ce_sr_ring_size, |
| 1485 | (unsigned long long)res->ce_reg_paddr); |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 1486 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1487 | "==== IPA_UC WLAN_HOST TX ====\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1488 | "COMP RING BASE: 0x%llx\n" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1489 | "COMP RING SIZE: %d\n" |
| 1490 | "NUM ALLOC BUF: %d\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1491 | "COMP RING DBELL : 0x%llx", |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 1492 | (unsigned long long)res->tx_comp_ring_base_paddr, |
| 1493 | res->tx_comp_ring_size, |
| 1494 | res->tx_num_alloc_buffer, |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1495 | (unsigned long long)hdd_ipa->tx_comp_doorbell_paddr); |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 1496 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1497 | "==== IPA_UC WLAN_HOST RX ====\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1498 | "IND RING BASE: 0x%llx\n" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1499 | "IND RING SIZE: %d\n" |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1500 | "IND RING DBELL : 0x%llx\n" |
| 1501 | "PROC DONE IND ADDR : 0x%llx\n" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1502 | "NUM EXCP PKT : %llu\n" |
| 1503 | "NUM TX BCMC : %llu\n" |
| 1504 | "NUM TX BCMC ERR : %llu", |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 1505 | (unsigned long long)res->rx_rdy_ring_base_paddr, |
| 1506 | res->rx_rdy_ring_size, |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1507 | (unsigned long long)hdd_ipa->rx_ready_doorbell_paddr, |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 1508 | (unsigned long long)hdd_ipa->ipa_resource. |
| 1509 | rx_proc_done_idx_paddr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1510 | hdd_ipa->stats.num_rx_excep, |
| 1511 | hdd_ipa->stats.num_tx_bcmc, |
Manikandan Mohan | 22b8372 | 2015-12-15 15:03:23 -0800 | [diff] [blame] | 1512 | (unsigned long long)hdd_ipa->stats.num_tx_bcmc_err); |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 1513 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1514 | "==== IPA_UC WLAN_HOST CONTROL ====\n" |
| 1515 | "SAP NUM STAs: %d\n" |
| 1516 | "STA CONNECTED: %d\n" |
| 1517 | "TX PIPE HDL: %d\n" |
| 1518 | "RX PIPE HDL : %d\n" |
| 1519 | "RSC LOADING : %d\n" |
| 1520 | "RSC UNLOADING : %d\n" |
| 1521 | "PNDNG CNS RQT : %d", |
| 1522 | hdd_ipa->sap_num_connected_sta, |
| 1523 | hdd_ipa->sta_connected, |
| 1524 | hdd_ipa->tx_pipe_handle, |
| 1525 | hdd_ipa->rx_pipe_handle, |
| 1526 | (unsigned int)hdd_ipa->resource_loading, |
| 1527 | (unsigned int)hdd_ipa->resource_unloading, |
| 1528 | (unsigned int)hdd_ipa->pending_cons_req); |
| 1529 | |
| 1530 | /* STATs from FW */ |
| 1531 | uc_fw_stat = (struct ipa_uc_fw_stats *) |
| 1532 | ((uint8_t *)op_msg + sizeof(struct op_msg_type)); |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 1533 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1534 | "==== IPA_UC WLAN_FW TX ====\n" |
| 1535 | "COMP RING BASE: 0x%x\n" |
| 1536 | "COMP RING SIZE: %d\n" |
| 1537 | "COMP RING DBELL : 0x%x\n" |
| 1538 | "COMP RING DBELL IND VAL : %d\n" |
| 1539 | "COMP RING DBELL CACHED VAL : %d\n" |
| 1540 | "COMP RING DBELL CACHED VAL : %d\n" |
| 1541 | "PKTS ENQ : %d\n" |
| 1542 | "PKTS COMP : %d\n" |
| 1543 | "IS SUSPEND : %d\n" |
| 1544 | "RSVD : 0x%x", |
| 1545 | uc_fw_stat->tx_comp_ring_base, |
| 1546 | uc_fw_stat->tx_comp_ring_size, |
| 1547 | uc_fw_stat->tx_comp_ring_dbell_addr, |
| 1548 | uc_fw_stat->tx_comp_ring_dbell_ind_val, |
| 1549 | uc_fw_stat->tx_comp_ring_dbell_cached_val, |
| 1550 | uc_fw_stat->tx_comp_ring_dbell_cached_val, |
| 1551 | uc_fw_stat->tx_pkts_enqueued, |
| 1552 | uc_fw_stat->tx_pkts_completed, |
| 1553 | uc_fw_stat->tx_is_suspend, uc_fw_stat->tx_reserved); |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 1554 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1555 | "==== IPA_UC WLAN_FW RX ====\n" |
| 1556 | "IND RING BASE: 0x%x\n" |
| 1557 | "IND RING SIZE: %d\n" |
| 1558 | "IND RING DBELL : 0x%x\n" |
| 1559 | "IND RING DBELL IND VAL : %d\n" |
| 1560 | "IND RING DBELL CACHED VAL : %d\n" |
| 1561 | "RDY IND ADDR : 0x%x\n" |
| 1562 | "RDY IND CACHE VAL : %d\n" |
| 1563 | "RFIL IND : %d\n" |
| 1564 | "NUM PKT INDICAT : %d\n" |
| 1565 | "BUF REFIL : %d\n" |
| 1566 | "NUM DROP NO SPC : %d\n" |
| 1567 | "NUM DROP NO BUF : %d\n" |
| 1568 | "IS SUSPND : %d\n" |
| 1569 | "RSVD : 0x%x\n", |
| 1570 | uc_fw_stat->rx_ind_ring_base, |
| 1571 | uc_fw_stat->rx_ind_ring_size, |
| 1572 | uc_fw_stat->rx_ind_ring_dbell_addr, |
| 1573 | uc_fw_stat->rx_ind_ring_dbell_ind_val, |
| 1574 | uc_fw_stat->rx_ind_ring_dbell_ind_cached_val, |
| 1575 | uc_fw_stat->rx_ind_ring_rdidx_addr, |
| 1576 | uc_fw_stat->rx_ind_ring_rd_idx_cached_val, |
| 1577 | uc_fw_stat->rx_refill_idx, |
| 1578 | uc_fw_stat->rx_num_pkts_indicated, |
| 1579 | uc_fw_stat->rx_buf_refilled, |
| 1580 | uc_fw_stat->rx_num_ind_drop_no_space, |
| 1581 | uc_fw_stat->rx_num_ind_drop_no_buf, |
| 1582 | uc_fw_stat->rx_is_suspend, uc_fw_stat->rx_reserved); |
| 1583 | /* STATs from IPA */ |
| 1584 | ipa_get_wdi_stats(&ipa_stat); |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 1585 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1586 | "==== IPA_UC IPA TX ====\n" |
| 1587 | "NUM PROCD : %d\n" |
| 1588 | "CE DBELL : 0x%x\n" |
| 1589 | "NUM DBELL FIRED : %d\n" |
| 1590 | "COMP RNG FULL : %d\n" |
| 1591 | "COMP RNG EMPT : %d\n" |
| 1592 | "COMP RNG USE HGH : %d\n" |
| 1593 | "COMP RNG USE LOW : %d\n" |
| 1594 | "BAM FIFO FULL : %d\n" |
| 1595 | "BAM FIFO EMPT : %d\n" |
| 1596 | "BAM FIFO USE HGH : %d\n" |
| 1597 | "BAM FIFO USE LOW : %d\n" |
| 1598 | "NUM DBELL : %d\n" |
| 1599 | "NUM UNEXP DBELL : %d\n" |
| 1600 | "NUM BAM INT HDL : 0x%x\n" |
| 1601 | "NUM BAM INT NON-RUN : 0x%x\n" |
| 1602 | "NUM QMB INT HDL : 0x%x", |
| 1603 | ipa_stat.tx_ch_stats.num_pkts_processed, |
| 1604 | ipa_stat.tx_ch_stats.copy_engine_doorbell_value, |
| 1605 | ipa_stat.tx_ch_stats.num_db_fired, |
| 1606 | ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringFull, |
| 1607 | ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringEmpty, |
| 1608 | ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringUsageHigh, |
| 1609 | ipa_stat.tx_ch_stats.tx_comp_ring_stats.ringUsageLow, |
| 1610 | ipa_stat.tx_ch_stats.bam_stats.bamFifoFull, |
| 1611 | ipa_stat.tx_ch_stats.bam_stats.bamFifoEmpty, |
| 1612 | ipa_stat.tx_ch_stats.bam_stats.bamFifoUsageHigh, |
| 1613 | ipa_stat.tx_ch_stats.bam_stats.bamFifoUsageLow, |
| 1614 | ipa_stat.tx_ch_stats.num_db, |
| 1615 | ipa_stat.tx_ch_stats.num_unexpected_db, |
| 1616 | ipa_stat.tx_ch_stats.num_bam_int_handled, |
| 1617 | ipa_stat.tx_ch_stats. |
| 1618 | num_bam_int_in_non_runnning_state, |
| 1619 | ipa_stat.tx_ch_stats.num_qmb_int_handled); |
| 1620 | |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 1621 | QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1622 | "==== IPA_UC IPA RX ====\n" |
| 1623 | "MAX OST PKT : %d\n" |
| 1624 | "NUM PKT PRCSD : %d\n" |
| 1625 | "RNG RP : 0x%x\n" |
| 1626 | "COMP RNG FULL : %d\n" |
| 1627 | "COMP RNG EMPT : %d\n" |
| 1628 | "COMP RNG USE HGH : %d\n" |
| 1629 | "COMP RNG USE LOW : %d\n" |
| 1630 | "BAM FIFO FULL : %d\n" |
| 1631 | "BAM FIFO EMPT : %d\n" |
| 1632 | "BAM FIFO USE HGH : %d\n" |
| 1633 | "BAM FIFO USE LOW : %d\n" |
| 1634 | "NUM DB : %d\n" |
| 1635 | "NUM UNEXP DB : %d\n" |
| 1636 | "NUM BAM INT HNDL : 0x%x\n", |
| 1637 | ipa_stat.rx_ch_stats.max_outstanding_pkts, |
| 1638 | ipa_stat.rx_ch_stats.num_pkts_processed, |
| 1639 | ipa_stat.rx_ch_stats.rx_ring_rp_value, |
| 1640 | ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringFull, |
| 1641 | ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringEmpty, |
| 1642 | ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringUsageHigh, |
| 1643 | ipa_stat.rx_ch_stats.rx_ind_ring_stats.ringUsageLow, |
| 1644 | ipa_stat.rx_ch_stats.bam_stats.bamFifoFull, |
| 1645 | ipa_stat.rx_ch_stats.bam_stats.bamFifoEmpty, |
| 1646 | ipa_stat.rx_ch_stats.bam_stats.bamFifoUsageHigh, |
| 1647 | ipa_stat.rx_ch_stats.bam_stats.bamFifoUsageLow, |
| 1648 | ipa_stat.rx_ch_stats.num_db, |
| 1649 | ipa_stat.rx_ch_stats.num_unexpected_db, |
| 1650 | ipa_stat.rx_ch_stats.num_bam_int_handled); |
| 1651 | } else if ((HDD_IPA_UC_OPCODE_STATS == msg->op_code) && |
| 1652 | (HDD_IPA_UC_STAT_REASON_BW_CAL == hdd_ipa->stat_req_reason)) { |
| 1653 | /* STATs from FW */ |
| 1654 | uc_fw_stat = (struct ipa_uc_fw_stats *) |
| 1655 | ((uint8_t *)op_msg + sizeof(struct op_msg_type)); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1656 | qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1657 | hdd_ipa->ipa_tx_packets_diff = HDD_BW_GET_DIFF( |
| 1658 | uc_fw_stat->tx_pkts_completed, |
| 1659 | hdd_ipa->ipa_p_tx_packets); |
| 1660 | hdd_ipa->ipa_rx_packets_diff = HDD_BW_GET_DIFF( |
| 1661 | (uc_fw_stat->rx_num_ind_drop_no_space + |
| 1662 | uc_fw_stat->rx_num_ind_drop_no_buf + |
| 1663 | uc_fw_stat->rx_num_pkts_indicated), |
| 1664 | hdd_ipa->ipa_p_rx_packets); |
| 1665 | |
| 1666 | hdd_ipa->ipa_p_tx_packets = uc_fw_stat->tx_pkts_completed; |
| 1667 | hdd_ipa->ipa_p_rx_packets = |
| 1668 | (uc_fw_stat->rx_num_ind_drop_no_space + |
| 1669 | uc_fw_stat->rx_num_ind_drop_no_buf + |
| 1670 | uc_fw_stat->rx_num_pkts_indicated); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1671 | qdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1672 | } else { |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1673 | HDD_IPA_LOG(LOGE, "Invalid message: op_code=%d, reason=%d", |
| 1674 | msg->op_code, hdd_ipa->stat_req_reason); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1675 | } |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1676 | qdf_mem_free(op_msg); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1677 | } |
| 1678 | |
| 1679 | |
| 1680 | /** |
| 1681 | * hdd_ipa_uc_offload_enable_disable() - wdi enable/disable notify to fw |
| 1682 | * @adapter: device adapter instance |
| 1683 | * @offload_type: MCC or SCC |
| 1684 | * @enable: TX offload enable or disable |
| 1685 | * |
| 1686 | * Return: none |
| 1687 | */ |
| 1688 | static void hdd_ipa_uc_offload_enable_disable(hdd_adapter_t *adapter, |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 1689 | uint32_t offload_type, bool enable) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1690 | { |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 1691 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1692 | struct sir_ipa_offload_enable_disable ipa_offload_enable_disable; |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1693 | struct hdd_ipa_iface_context *iface_context = NULL; |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 1694 | uint8_t session_id; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1695 | |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 1696 | if (!adapter || !hdd_ipa) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1697 | return; |
| 1698 | |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1699 | iface_context = adapter->ipa_context; |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 1700 | session_id = adapter->sessionId; |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1701 | |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 1702 | if (!iface_context) { |
| 1703 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 1704 | "Interface context is NULL"); |
| 1705 | return; |
| 1706 | } |
| 1707 | |
| 1708 | if (enable == hdd_ipa->vdev_offload_enabled[session_id]) { |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1709 | /* IPA offload status is already set as desired */ |
| 1710 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 1711 | "%s: (offload_type=%d, vdev_id=%d, enable=%d)", |
| 1712 | "IPA offload status is already set", |
| 1713 | offload_type, session_id, enable); |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1714 | return; |
| 1715 | } |
| 1716 | |
Yun Park | 4540e86 | 2016-11-10 16:30:06 -0800 | [diff] [blame] | 1717 | if (wlan_hdd_validate_session_id(adapter->sessionId)) { |
| 1718 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 1719 | "invalid session id: %d, offload_type=%d, enable=%d", |
| 1720 | adapter->sessionId, offload_type, enable); |
| 1721 | return; |
| 1722 | } |
| 1723 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1724 | qdf_mem_zero(&ipa_offload_enable_disable, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1725 | sizeof(ipa_offload_enable_disable)); |
| 1726 | ipa_offload_enable_disable.offload_type = offload_type; |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 1727 | ipa_offload_enable_disable.vdev_id = session_id; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1728 | ipa_offload_enable_disable.enable = enable; |
| 1729 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1730 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1731 | "offload_type=%d, vdev_id=%d, enable=%d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1732 | ipa_offload_enable_disable.offload_type, |
| 1733 | ipa_offload_enable_disable.vdev_id, |
| 1734 | ipa_offload_enable_disable.enable); |
| 1735 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1736 | if (QDF_STATUS_SUCCESS != |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1737 | sme_ipa_offload_enable_disable(WLAN_HDD_GET_HAL_CTX(adapter), |
| 1738 | adapter->sessionId, &ipa_offload_enable_disable)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1739 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Jeff Johnson | a8a4f54 | 2016-11-08 10:56:53 -0800 | [diff] [blame] | 1740 | "%s: Failure to enable IPA offload (offload_type=%d, vdev_id=%d, enable=%d)", |
| 1741 | __func__, |
| 1742 | ipa_offload_enable_disable.offload_type, |
| 1743 | ipa_offload_enable_disable.vdev_id, |
| 1744 | ipa_offload_enable_disable.enable); |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1745 | } else { |
| 1746 | /* Update the IPA offload status */ |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 1747 | hdd_ipa->vdev_offload_enabled[session_id] = |
Yun Park | 8292dcb | 2016-10-07 16:46:06 -0700 | [diff] [blame] | 1748 | ipa_offload_enable_disable.enable; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1749 | } |
| 1750 | } |
| 1751 | |
| 1752 | /** |
| 1753 | * hdd_ipa_uc_fw_op_event_handler - IPA uC FW OPvent handler |
| 1754 | * @work: uC OP work |
| 1755 | * |
| 1756 | * Return: None |
| 1757 | */ |
| 1758 | static void hdd_ipa_uc_fw_op_event_handler(struct work_struct *work) |
| 1759 | { |
| 1760 | struct op_msg_type *msg; |
| 1761 | struct uc_op_work_struct *uc_op_work = container_of(work, |
| 1762 | struct uc_op_work_struct, work); |
| 1763 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 1764 | |
| 1765 | cds_ssr_protect(__func__); |
| 1766 | |
| 1767 | msg = uc_op_work->msg; |
| 1768 | uc_op_work->msg = NULL; |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1769 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1770 | "%s, posted msg %d", __func__, msg->op_code); |
| 1771 | |
| 1772 | hdd_ipa_uc_op_cb(msg, hdd_ipa->hdd_ctx); |
| 1773 | |
| 1774 | cds_ssr_unprotect(__func__); |
| 1775 | |
| 1776 | return; |
| 1777 | } |
| 1778 | |
| 1779 | /** |
| 1780 | * hdd_ipa_uc_op_event_handler() - Adapter lookup |
| 1781 | * hdd_ipa_uc_fw_op_event_handler - IPA uC FW OPvent handler |
| 1782 | * @op_msg: operation message received from firmware |
| 1783 | * @hdd_ctx: Global HDD context |
| 1784 | * |
| 1785 | * Return: None |
| 1786 | */ |
| 1787 | static void hdd_ipa_uc_op_event_handler(uint8_t *op_msg, void *hdd_ctx) |
| 1788 | { |
| 1789 | struct hdd_ipa_priv *hdd_ipa; |
| 1790 | struct op_msg_type *msg; |
| 1791 | struct uc_op_work_struct *uc_op_work; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1792 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1793 | |
| 1794 | status = wlan_hdd_validate_context(hdd_ctx); |
Abhishek Singh | 23edd1c | 2016-05-05 11:56:06 +0530 | [diff] [blame] | 1795 | if (status) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1796 | goto end; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1797 | |
| 1798 | msg = (struct op_msg_type *)op_msg; |
| 1799 | hdd_ipa = ((hdd_context_t *)hdd_ctx)->hdd_ipa; |
| 1800 | |
| 1801 | if (unlikely(!hdd_ipa)) |
| 1802 | goto end; |
| 1803 | |
| 1804 | if (HDD_IPA_UC_OPCODE_MAX <= msg->op_code) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1805 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "%s: Invalid OP Code (%d)", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1806 | __func__, msg->op_code); |
| 1807 | goto end; |
| 1808 | } |
| 1809 | |
| 1810 | uc_op_work = &hdd_ipa->uc_op_work[msg->op_code]; |
| 1811 | if (uc_op_work->msg) |
| 1812 | /* When the same uC OPCODE is already pended, just return */ |
| 1813 | goto end; |
| 1814 | |
| 1815 | uc_op_work->msg = msg; |
| 1816 | schedule_work(&uc_op_work->work); |
| 1817 | return; |
| 1818 | |
| 1819 | end: |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1820 | qdf_mem_free(op_msg); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1821 | } |
| 1822 | |
| 1823 | /** |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 1824 | * hdd_ipa_init_uc_op_work - init ipa uc op work |
| 1825 | * @work: struct work_struct |
| 1826 | * @work_handler: work_handler |
| 1827 | * |
| 1828 | * Return: none |
| 1829 | */ |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 1830 | static void hdd_ipa_init_uc_op_work(struct work_struct *work, |
| 1831 | work_func_t work_handler) |
| 1832 | { |
| 1833 | INIT_WORK(work, work_handler); |
| 1834 | } |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 1835 | |
| 1836 | |
| 1837 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1838 | * hdd_ipa_uc_ol_init() - Initialize IPA uC offload |
| 1839 | * @hdd_ctx: Global HDD context |
| 1840 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1841 | * Return: QDF_STATUS |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1842 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1843 | 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] | 1844 | { |
| 1845 | struct ipa_wdi_in_params pipe_in; |
| 1846 | struct ipa_wdi_out_params pipe_out; |
| 1847 | struct hdd_ipa_priv *ipa_ctxt = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 1848 | p_cds_contextType cds_ctx = hdd_ctx->pcds_context; |
| 1849 | uint8_t i; |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1850 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1851 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 1852 | qdf_mem_zero(&pipe_in, sizeof(struct ipa_wdi_in_params)); |
| 1853 | qdf_mem_zero(&pipe_out, sizeof(struct ipa_wdi_out_params)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1854 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 1855 | qdf_list_create(&ipa_ctxt->pending_event, 1000); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 1856 | qdf_mutex_create(&ipa_ctxt->event_lock); |
| 1857 | qdf_mutex_create(&ipa_ctxt->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1858 | |
| 1859 | /* TX PIPE */ |
| 1860 | pipe_in.sys.ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 1861 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_len = HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| 1862 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| 1863 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| 1864 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_additional_const_len = |
| 1865 | HDD_IPA_UC_WLAN_8023_HDR_SIZE; |
| 1866 | pipe_in.sys.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 1867 | pipe_in.sys.client = IPA_CLIENT_WLAN1_CONS; |
| 1868 | pipe_in.sys.desc_fifo_sz = hdd_ctx->config->IpaDescSize; |
| 1869 | pipe_in.sys.priv = hdd_ctx->hdd_ipa; |
| 1870 | pipe_in.sys.ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| 1871 | pipe_in.sys.notify = hdd_ipa_i2w_cb; |
| 1872 | if (!hdd_ipa_is_rm_enabled(hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1873 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1874 | "%s: IPA RM DISABLED, IPA AWAKE", __func__); |
| 1875 | pipe_in.sys.keep_ipa_awake = true; |
| 1876 | } |
| 1877 | |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 1878 | pipe_in.u.dl.comp_ring_base_pa = |
| 1879 | ipa_ctxt->ipa_resource.tx_comp_ring_base_paddr; |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1880 | pipe_in.u.dl.comp_ring_size = |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 1881 | ipa_ctxt->ipa_resource.tx_comp_ring_size * |
| 1882 | sizeof(qdf_dma_addr_t); |
| 1883 | pipe_in.u.dl.ce_ring_base_pa = |
| 1884 | ipa_ctxt->ipa_resource.ce_sr_base_paddr; |
| 1885 | pipe_in.u.dl.ce_door_bell_pa = ipa_ctxt->ipa_resource.ce_reg_paddr; |
| 1886 | pipe_in.u.dl.ce_ring_size = |
| 1887 | ipa_ctxt->ipa_resource.ce_sr_ring_size; |
| 1888 | pipe_in.u.dl.num_tx_buffers = |
| 1889 | ipa_ctxt->ipa_resource.tx_num_alloc_buffer; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1890 | |
| 1891 | /* Connect WDI IPA PIPE */ |
| 1892 | ipa_connect_wdi_pipe(&pipe_in, &pipe_out); |
| 1893 | /* Micro Controller Doorbell register */ |
Govind Singh | 0487bf2 | 2016-08-24 23:08:57 +0530 | [diff] [blame] | 1894 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
| 1895 | "%s CONS DB pipe out 0x%x TX PIPE Handle 0x%x", |
| 1896 | __func__, (unsigned int)pipe_out.uc_door_bell_pa, |
| 1897 | ipa_ctxt->tx_pipe_handle); |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1898 | ipa_ctxt->tx_comp_doorbell_paddr = pipe_out.uc_door_bell_pa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1899 | /* WLAN TX PIPE Handle */ |
| 1900 | ipa_ctxt->tx_pipe_handle = pipe_out.clnt_hdl; |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1901 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1902 | "TX : CRBPA 0x%x, CRS %d, CERBPA 0x%x, CEDPA 0x%x," |
| 1903 | " CERZ %d, NB %d, CDBPAD 0x%x", |
| 1904 | (unsigned int)pipe_in.u.dl.comp_ring_base_pa, |
| 1905 | pipe_in.u.dl.comp_ring_size, |
| 1906 | (unsigned int)pipe_in.u.dl.ce_ring_base_pa, |
| 1907 | (unsigned int)pipe_in.u.dl.ce_door_bell_pa, |
| 1908 | pipe_in.u.dl.ce_ring_size, |
| 1909 | pipe_in.u.dl.num_tx_buffers, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1910 | (unsigned int)ipa_ctxt->tx_comp_doorbell_paddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1911 | |
| 1912 | /* RX PIPE */ |
| 1913 | pipe_in.sys.ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 1914 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_len = HDD_IPA_UC_WLAN_RX_HDR_LEN; |
| 1915 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 0; |
| 1916 | pipe_in.sys.ipa_ep_cfg.hdr.hdr_metadata_reg_valid = 1; |
| 1917 | pipe_in.sys.ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 1918 | pipe_in.sys.client = IPA_CLIENT_WLAN1_PROD; |
| 1919 | pipe_in.sys.desc_fifo_sz = hdd_ctx->config->IpaDescSize + |
| 1920 | sizeof(struct sps_iovec); |
| 1921 | pipe_in.sys.notify = hdd_ipa_w2i_cb; |
| 1922 | if (!hdd_ipa_is_rm_enabled(hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1923 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1924 | "%s: IPA RM DISABLED, IPA AWAKE", __func__); |
| 1925 | pipe_in.sys.keep_ipa_awake = true; |
| 1926 | } |
| 1927 | |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 1928 | pipe_in.u.ul.rdy_ring_base_pa = |
| 1929 | ipa_ctxt->ipa_resource.rx_rdy_ring_base_paddr; |
| 1930 | pipe_in.u.ul.rdy_ring_size = |
| 1931 | ipa_ctxt->ipa_resource.rx_rdy_ring_size; |
| 1932 | pipe_in.u.ul.rdy_ring_rp_pa = |
| 1933 | ipa_ctxt->ipa_resource.rx_proc_done_idx_paddr; |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1934 | HDD_IPA_WDI2_SET(pipe_in, ipa_ctxt); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1935 | ipa_connect_wdi_pipe(&pipe_in, &pipe_out); |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1936 | ipa_ctxt->rx_ready_doorbell_paddr = pipe_out.uc_door_bell_pa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1937 | ipa_ctxt->rx_pipe_handle = pipe_out.clnt_hdl; |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1938 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1939 | "RX : RRBPA 0x%x, RRS %d, PDIPA 0x%x, RDY_DB_PAD 0x%x", |
| 1940 | (unsigned int)pipe_in.u.ul.rdy_ring_base_pa, |
| 1941 | pipe_in.u.ul.rdy_ring_size, |
| 1942 | (unsigned int)pipe_in.u.ul.rdy_ring_rp_pa, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 1943 | (unsigned int)ipa_ctxt->rx_ready_doorbell_paddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1944 | |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1945 | cdp_ipa_set_doorbell_paddr(soc, cds_ctx->pdev_txrx_ctx, |
| 1946 | ipa_ctxt->tx_comp_doorbell_paddr, |
| 1947 | ipa_ctxt->rx_ready_doorbell_paddr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1948 | |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1949 | cdp_ipa_register_op_cb(soc, cds_ctx->pdev_txrx_ctx, |
| 1950 | hdd_ipa_uc_op_event_handler, (void *)hdd_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1951 | |
| 1952 | for (i = 0; i < HDD_IPA_UC_OPCODE_MAX; i++) { |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 1953 | 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] | 1954 | hdd_ipa_uc_fw_op_event_handler); |
| 1955 | ipa_ctxt->uc_op_work[i].msg = NULL; |
| 1956 | } |
| 1957 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1958 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1959 | } |
| 1960 | |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1961 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 1962 | * __hdd_ipa_uc_force_pipe_shutdown() - Force shutdown IPA pipe |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1963 | * @hdd_ctx: hdd main context |
| 1964 | * |
| 1965 | * Force shutdown IPA pipe |
| 1966 | * Independent of FW pipe status, IPA pipe shutdonw progress |
| 1967 | * in case, any STA does not leave properly, IPA HW pipe should cleaned up |
| 1968 | * independent from FW pipe status |
| 1969 | * |
| 1970 | * Return: NONE |
| 1971 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 1972 | static void __hdd_ipa_uc_force_pipe_shutdown(hdd_context_t *hdd_ctx) |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1973 | { |
| 1974 | struct hdd_ipa_priv *hdd_ipa; |
| 1975 | |
| 1976 | if (!hdd_ipa_is_enabled(hdd_ctx) || !hdd_ctx->hdd_ipa) |
| 1977 | return; |
| 1978 | |
| 1979 | hdd_ipa = (struct hdd_ipa_priv *)hdd_ctx->hdd_ipa; |
| 1980 | if (false == hdd_ipa->ipa_pipes_down) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1981 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1982 | "IPA pipes are not down yet, force shutdown"); |
| 1983 | hdd_ipa_uc_disable_pipes(hdd_ipa); |
| 1984 | } else { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1985 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 1986 | "IPA pipes are down, do nothing"); |
| 1987 | } |
| 1988 | |
| 1989 | return; |
| 1990 | } |
| 1991 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1992 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 1993 | * hdd_ipa_uc_force_pipe_shutdown() - SSR wrapper for |
| 1994 | * __hdd_ipa_uc_force_pipe_shutdown |
| 1995 | * @hdd_ctx: hdd main context |
| 1996 | * |
| 1997 | * Force shutdown IPA pipe |
| 1998 | * Independent of FW pipe status, IPA pipe shutdonw progress |
| 1999 | * in case, any STA does not leave properly, IPA HW pipe should cleaned up |
| 2000 | * independent from FW pipe status |
| 2001 | * |
| 2002 | * Return: NONE |
| 2003 | */ |
| 2004 | void hdd_ipa_uc_force_pipe_shutdown(hdd_context_t *hdd_ctx) |
| 2005 | { |
| 2006 | cds_ssr_protect(__func__); |
| 2007 | __hdd_ipa_uc_force_pipe_shutdown(hdd_ctx); |
| 2008 | cds_ssr_unprotect(__func__); |
| 2009 | } |
| 2010 | |
| 2011 | /** |
Govind Singh | 9c58eba | 2016-09-02 16:23:06 +0530 | [diff] [blame] | 2012 | * hdd_ipa_msg_free_fn() - Free an IPA message |
| 2013 | * @buff: pointer to the IPA message |
| 2014 | * @len: length of the IPA message |
| 2015 | * @type: type of IPA message |
| 2016 | * |
| 2017 | * Return: None |
| 2018 | */ |
| 2019 | static void hdd_ipa_msg_free_fn(void *buff, uint32_t len, uint32_t type) |
| 2020 | { |
| 2021 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "msg type:%d, len:%d", type, len); |
| 2022 | ghdd_ipa->stats.num_free_msg++; |
| 2023 | qdf_mem_free(buff); |
| 2024 | } |
| 2025 | |
| 2026 | |
| 2027 | /** |
| 2028 | * hdd_ipa_send_disconnect() - ipa send disconnect clients |
| 2029 | * adapter: pointer to hdd adapter |
| 2030 | * Send disconnect evnt to IPA driver during SSR |
| 2031 | * |
| 2032 | * Return: 0 - Success |
| 2033 | */ |
| 2034 | static int hdd_ipa_send_disconnect(hdd_adapter_t *adapter) |
| 2035 | { |
| 2036 | struct ipa_msg_meta meta; |
| 2037 | struct ipa_wlan_msg *msg; |
| 2038 | int ret = 0; |
| 2039 | int i; |
| 2040 | |
| 2041 | for (i = 0; i < WLAN_MAX_STA_COUNT; i++) { |
| 2042 | if (qdf_is_macaddr_broadcast(&adapter->aStaInfo[i].macAddrSTA)) |
| 2043 | continue; |
| 2044 | if ((adapter->aStaInfo[i].isUsed) && |
| 2045 | (!adapter->aStaInfo[i].isDeauthInProgress)) { |
| 2046 | meta.msg_len = sizeof(struct ipa_wlan_msg); |
| 2047 | msg = qdf_mem_malloc(meta.msg_len); |
| 2048 | if (msg == NULL) { |
| 2049 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 2050 | "msg allocation failed"); |
| 2051 | return -ENOMEM; |
| 2052 | } |
| 2053 | meta.msg_type = WLAN_CLIENT_DISCONNECT; |
| 2054 | strlcpy(msg->name, adapter->dev->name, |
| 2055 | IPA_RESOURCE_NAME_MAX); |
| 2056 | memcpy(msg->mac_addr, adapter->aStaInfo[i].macAddrSTA.bytes, |
| 2057 | ETH_ALEN); |
| 2058 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Evt: %d", |
| 2059 | msg->name, meta.msg_type); |
| 2060 | ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| 2061 | if (ret) { |
| 2062 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 2063 | "%s: Evt: %d fail:%d", |
| 2064 | msg->name, meta.msg_type, ret); |
| 2065 | qdf_mem_free(msg); |
| 2066 | return ret; |
| 2067 | } |
| 2068 | } |
| 2069 | } |
| 2070 | |
| 2071 | return ret; |
| 2072 | } |
| 2073 | |
| 2074 | /** |
| 2075 | * hdd_ipa_uc_disconnect_client() - disconnect ipa sap clients |
| 2076 | * hdd_ctx: pointer to hdd context |
| 2077 | * Send disconnect evnt to IPA driver during SSR |
| 2078 | * |
| 2079 | * Return: 0 - Success |
| 2080 | */ |
| 2081 | static int hdd_ipa_uc_disconnect_client(hdd_context_t *hdd_ctx) |
| 2082 | { |
| 2083 | hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL; |
| 2084 | QDF_STATUS status; |
| 2085 | hdd_adapter_t *adapter; |
| 2086 | int ret = 0; |
| 2087 | |
| 2088 | |
| 2089 | status = hdd_get_front_adapter(hdd_ctx, &adapter_node); |
| 2090 | while (NULL != adapter_node && QDF_STATUS_SUCCESS == status) { |
| 2091 | adapter = adapter_node->pAdapter; |
| 2092 | if (adapter->device_mode == QDF_SAP_MODE) |
| 2093 | hdd_ipa_send_disconnect(adapter); |
| 2094 | status = hdd_get_next_adapter( |
| 2095 | hdd_ctx, adapter_node, &next); |
| 2096 | adapter_node = next; |
| 2097 | } |
| 2098 | |
| 2099 | return ret; |
| 2100 | } |
| 2101 | |
| 2102 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2103 | * __hdd_ipa_uc_ssr_deinit() - handle ipa deinit for SSR |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2104 | * |
| 2105 | * Deinit basic IPA UC host side to be in sync reloaded FW during |
| 2106 | * SSR |
| 2107 | * |
| 2108 | * Return: 0 - Success |
| 2109 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2110 | static int __hdd_ipa_uc_ssr_deinit(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2111 | { |
| 2112 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 2113 | int idx; |
| 2114 | struct hdd_ipa_iface_context *iface_context; |
| 2115 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 2116 | if ((!hdd_ipa) || (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx))) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2117 | return 0; |
| 2118 | |
Govind Singh | 9c58eba | 2016-09-02 16:23:06 +0530 | [diff] [blame] | 2119 | /* send disconnect to ipa driver for connected clients */ |
| 2120 | hdd_ipa_uc_disconnect_client(hdd_ipa->hdd_ctx); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2121 | /* Clean up HDD IPA interfaces */ |
| 2122 | for (idx = 0; (hdd_ipa->num_iface > 0) && |
| 2123 | (idx < HDD_IPA_MAX_IFACE); idx++) { |
| 2124 | iface_context = &hdd_ipa->iface_context[idx]; |
| 2125 | if (iface_context && iface_context->adapter) |
| 2126 | hdd_ipa_cleanup_iface(iface_context); |
| 2127 | } |
| 2128 | |
| 2129 | /* After SSR, wlan driver reloads FW again. But we need to protect |
| 2130 | * IPA submodule during SSR transient state. So deinit basic IPA |
| 2131 | * UC host side to be in sync with reloaded FW during SSR |
| 2132 | */ |
Yun Park | f7dc8cd | 2015-11-17 15:25:12 -0800 | [diff] [blame] | 2133 | if (!hdd_ipa->ipa_pipes_down) |
| 2134 | hdd_ipa_uc_disable_pipes(hdd_ipa); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2135 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2136 | qdf_mutex_acquire(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2137 | for (idx = 0; idx < WLAN_MAX_STA_COUNT; idx++) { |
| 2138 | hdd_ipa->assoc_stas_map[idx].is_reserved = false; |
| 2139 | hdd_ipa->assoc_stas_map[idx].sta_id = 0xFF; |
| 2140 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2141 | qdf_mutex_release(&hdd_ipa->ipa_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2142 | |
Guolei Bian | ca144d8 | 2016-11-10 11:07:42 +0800 | [diff] [blame] | 2143 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) |
| 2144 | hdd_ipa_uc_sta_reset_sta_connected(hdd_ipa); |
| 2145 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2146 | /* Full IPA driver cleanup not required since wlan driver is now |
| 2147 | * unloaded and reloaded after SSR. |
| 2148 | */ |
| 2149 | return 0; |
| 2150 | } |
| 2151 | |
| 2152 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2153 | * hdd_ipa_uc_ssr_deinit() - SSR wrapper for __hdd_ipa_uc_ssr_deinit |
| 2154 | * |
| 2155 | * Deinit basic IPA UC host side to be in sync reloaded FW during |
| 2156 | * SSR |
| 2157 | * |
| 2158 | * Return: 0 - Success |
| 2159 | */ |
| 2160 | int hdd_ipa_uc_ssr_deinit(void) |
| 2161 | { |
| 2162 | int ret; |
| 2163 | |
| 2164 | cds_ssr_protect(__func__); |
| 2165 | ret = __hdd_ipa_uc_ssr_deinit(); |
| 2166 | cds_ssr_unprotect(__func__); |
| 2167 | |
| 2168 | return ret; |
| 2169 | } |
| 2170 | |
| 2171 | /** |
| 2172 | * __hdd_ipa_uc_ssr_reinit() - handle ipa reinit after SSR |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2173 | * |
| 2174 | * Init basic IPA UC host side to be in sync with reloaded FW after |
| 2175 | * SSR to resume IPA UC operations |
| 2176 | * |
| 2177 | * Return: 0 - Success |
| 2178 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2179 | static int __hdd_ipa_uc_ssr_reinit(void) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2180 | { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2181 | |
| 2182 | /* After SSR is complete, IPA UC can resume operation. But now wlan |
| 2183 | * driver will be unloaded and reloaded, which takes care of IPA cleanup |
| 2184 | * and initialization. This is a placeholder func if IPA has to resume |
| 2185 | * operations without driver reload. |
| 2186 | */ |
| 2187 | return 0; |
| 2188 | } |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 2189 | |
| 2190 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2191 | * hdd_ipa_uc_ssr_reinit() - SSR wrapper for __hdd_ipa_uc_ssr_reinit |
| 2192 | * |
| 2193 | * Init basic IPA UC host side to be in sync with reloaded FW after |
| 2194 | * SSR to resume IPA UC operations |
| 2195 | * |
| 2196 | * Return: 0 - Success |
| 2197 | */ |
| 2198 | int hdd_ipa_uc_ssr_reinit(void) |
| 2199 | { |
| 2200 | int ret; |
| 2201 | |
| 2202 | cds_ssr_protect(__func__); |
| 2203 | ret = __hdd_ipa_uc_ssr_reinit(); |
| 2204 | cds_ssr_unprotect(__func__); |
| 2205 | |
| 2206 | return ret; |
| 2207 | } |
| 2208 | |
| 2209 | /** |
| 2210 | * __hdd_ipa_tx_packet_ipa() - send packet to IPA |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 2211 | * @hdd_ctx: Global HDD context |
| 2212 | * @skb: skb sent to IPA |
| 2213 | * @session_id: send packet instance session id |
| 2214 | * |
| 2215 | * Send TX packet which generated by system to IPA. |
| 2216 | * This routine only will be used for function verification |
| 2217 | * |
| 2218 | * Return: NULL packet sent to IPA properly |
| 2219 | * NULL invalid packet drop |
| 2220 | * skb packet not sent to IPA. legacy data path should handle |
| 2221 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2222 | static struct sk_buff *__hdd_ipa_tx_packet_ipa(hdd_context_t *hdd_ctx, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 2223 | struct sk_buff *skb, uint8_t session_id) |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 2224 | { |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 2225 | struct ipa_header *ipa_header; |
| 2226 | struct frag_header *frag_header; |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2227 | struct hdd_ipa_priv *hdd_ipa; |
| 2228 | |
| 2229 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 2230 | return skb; |
| 2231 | |
| 2232 | hdd_ipa = hdd_ctx->hdd_ipa; |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 2233 | |
| 2234 | if (!hdd_ipa_uc_is_enabled(hdd_ctx)) |
| 2235 | return skb; |
| 2236 | |
Leo Chang | 07b28f6 | 2016-05-11 12:29:22 -0700 | [diff] [blame] | 2237 | if (!hdd_ipa) |
| 2238 | return skb; |
| 2239 | |
| 2240 | if (HDD_IPA_UC_NUM_WDI_PIPE != hdd_ipa->activated_fw_pipe) |
| 2241 | return skb; |
| 2242 | |
Leo Chang | cc923e2 | 2016-06-16 15:29:03 -0700 | [diff] [blame] | 2243 | if (skb_headroom(skb) < |
| 2244 | (sizeof(struct ipa_header) + sizeof(struct frag_header))) |
Leo Chang | 07b28f6 | 2016-05-11 12:29:22 -0700 | [diff] [blame] | 2245 | return skb; |
| 2246 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 2247 | ipa_header = (struct ipa_header *) skb_push(skb, |
| 2248 | sizeof(struct ipa_header)); |
| 2249 | if (!ipa_header) { |
| 2250 | /* No headroom, legacy */ |
| 2251 | return skb; |
| 2252 | } |
| 2253 | memset(ipa_header, 0, sizeof(*ipa_header)); |
| 2254 | ipa_header->vdev_id = 0; |
| 2255 | |
| 2256 | frag_header = (struct frag_header *) skb_push(skb, |
| 2257 | sizeof(struct frag_header)); |
| 2258 | if (!frag_header) { |
| 2259 | /* No headroom, drop */ |
| 2260 | kfree_skb(skb); |
| 2261 | return NULL; |
| 2262 | } |
| 2263 | memset(frag_header, 0, sizeof(*frag_header)); |
| 2264 | frag_header->length = skb->len - sizeof(struct frag_header) |
| 2265 | - sizeof(struct ipa_header); |
| 2266 | |
| 2267 | ipa_tx_dp(IPA_CLIENT_WLAN1_CONS, skb, NULL); |
| 2268 | return NULL; |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 2269 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2270 | |
| 2271 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2272 | * hdd_ipa_tx_packet_ipa() - SSR wrapper for __hdd_ipa_tx_packet_ipa |
| 2273 | * @hdd_ctx: Global HDD context |
| 2274 | * @skb: skb sent to IPA |
| 2275 | * @session_id: send packet instance session id |
| 2276 | * |
| 2277 | * Send TX packet which generated by system to IPA. |
| 2278 | * This routine only will be used for function verification |
| 2279 | * |
| 2280 | * Return: NULL packet sent to IPA properly |
| 2281 | * NULL invalid packet drop |
| 2282 | * skb packet not sent to IPA. legacy data path should handle |
| 2283 | */ |
| 2284 | struct sk_buff *hdd_ipa_tx_packet_ipa(hdd_context_t *hdd_ctx, |
| 2285 | struct sk_buff *skb, uint8_t session_id) |
| 2286 | { |
| 2287 | struct sk_buff *ret; |
| 2288 | |
| 2289 | cds_ssr_protect(__func__); |
| 2290 | ret = __hdd_ipa_tx_packet_ipa(hdd_ctx, skb, session_id); |
| 2291 | cds_ssr_unprotect(__func__); |
| 2292 | |
| 2293 | return ret; |
| 2294 | } |
| 2295 | |
| 2296 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2297 | * hdd_ipa_wake_lock_timer_func() - Wake lock work handler |
| 2298 | * @work: scheduled work |
| 2299 | * |
| 2300 | * When IPA resources are released in hdd_ipa_rm_try_release() we do |
| 2301 | * not want to immediately release the wake lock since the system |
| 2302 | * would then potentially try to suspend when there is a healthy data |
| 2303 | * rate. Deferred work is scheduled and this function handles the |
| 2304 | * work. When this function is called, if the IPA resource is still |
| 2305 | * released then we release the wake lock. |
| 2306 | * |
| 2307 | * Return: None |
| 2308 | */ |
| 2309 | static void hdd_ipa_wake_lock_timer_func(struct work_struct *work) |
| 2310 | { |
| 2311 | struct hdd_ipa_priv *hdd_ipa = container_of(to_delayed_work(work), |
| 2312 | struct hdd_ipa_priv, |
| 2313 | wake_lock_work); |
| 2314 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2315 | qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2316 | |
| 2317 | if (hdd_ipa->rm_state != HDD_IPA_RM_RELEASED) |
| 2318 | goto end; |
| 2319 | |
| 2320 | hdd_ipa->wake_lock_released = true; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2321 | qdf_wake_lock_release(&hdd_ipa->wake_lock, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2322 | WIFI_POWER_EVENT_WAKELOCK_IPA); |
| 2323 | |
| 2324 | end: |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2325 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2326 | } |
| 2327 | |
| 2328 | /** |
| 2329 | * hdd_ipa_rm_request() - Request resource from IPA |
| 2330 | * @hdd_ipa: Global HDD IPA context |
| 2331 | * |
| 2332 | * Return: 0 on success, negative errno on error |
| 2333 | */ |
| 2334 | static int hdd_ipa_rm_request(struct hdd_ipa_priv *hdd_ipa) |
| 2335 | { |
| 2336 | int ret = 0; |
| 2337 | |
| 2338 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2339 | return 0; |
| 2340 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2341 | qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2342 | |
| 2343 | switch (hdd_ipa->rm_state) { |
| 2344 | case HDD_IPA_RM_GRANTED: |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2345 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2346 | return 0; |
| 2347 | case HDD_IPA_RM_GRANT_PENDING: |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2348 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2349 | return -EINPROGRESS; |
| 2350 | case HDD_IPA_RM_RELEASED: |
| 2351 | hdd_ipa->rm_state = HDD_IPA_RM_GRANT_PENDING; |
| 2352 | break; |
| 2353 | } |
| 2354 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2355 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2356 | |
| 2357 | ret = ipa_rm_inactivity_timer_request_resource( |
| 2358 | IPA_RM_RESOURCE_WLAN_PROD); |
| 2359 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2360 | qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2361 | if (ret == 0) { |
| 2362 | hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| 2363 | hdd_ipa->stats.num_rm_grant_imm++; |
| 2364 | } |
| 2365 | |
| 2366 | cancel_delayed_work(&hdd_ipa->wake_lock_work); |
| 2367 | if (hdd_ipa->wake_lock_released) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2368 | qdf_wake_lock_acquire(&hdd_ipa->wake_lock, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2369 | WIFI_POWER_EVENT_WAKELOCK_IPA); |
| 2370 | hdd_ipa->wake_lock_released = false; |
| 2371 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2372 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2373 | |
| 2374 | return ret; |
| 2375 | } |
| 2376 | |
| 2377 | /** |
| 2378 | * hdd_ipa_rm_try_release() - Attempt to release IPA resource |
| 2379 | * @hdd_ipa: Global HDD IPA context |
| 2380 | * |
| 2381 | * Return: 0 if resources released, negative errno otherwise |
| 2382 | */ |
| 2383 | static int hdd_ipa_rm_try_release(struct hdd_ipa_priv *hdd_ipa) |
| 2384 | { |
| 2385 | int ret = 0; |
| 2386 | |
| 2387 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2388 | return 0; |
| 2389 | |
| 2390 | if (atomic_read(&hdd_ipa->tx_ref_cnt)) |
| 2391 | return -EAGAIN; |
| 2392 | |
| 2393 | spin_lock_bh(&hdd_ipa->q_lock); |
| 2394 | if (!hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| 2395 | (hdd_ipa->pending_hw_desc_cnt || hdd_ipa->pend_q_cnt)) { |
| 2396 | spin_unlock_bh(&hdd_ipa->q_lock); |
| 2397 | return -EAGAIN; |
| 2398 | } |
| 2399 | spin_unlock_bh(&hdd_ipa->q_lock); |
| 2400 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2401 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2402 | |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 2403 | if (!qdf_nbuf_is_queue_empty(&hdd_ipa->pm_queue_head)) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2404 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2405 | return -EAGAIN; |
| 2406 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2407 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2408 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2409 | qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2410 | switch (hdd_ipa->rm_state) { |
| 2411 | case HDD_IPA_RM_GRANTED: |
| 2412 | break; |
| 2413 | case HDD_IPA_RM_GRANT_PENDING: |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2414 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2415 | return -EINPROGRESS; |
| 2416 | case HDD_IPA_RM_RELEASED: |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2417 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2418 | return 0; |
| 2419 | } |
| 2420 | |
| 2421 | /* IPA driver returns immediately so set the state here to avoid any |
| 2422 | * race condition. |
| 2423 | */ |
| 2424 | hdd_ipa->rm_state = HDD_IPA_RM_RELEASED; |
| 2425 | hdd_ipa->stats.num_rm_release++; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2426 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2427 | |
| 2428 | ret = |
| 2429 | ipa_rm_inactivity_timer_release_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| 2430 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2431 | qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2432 | if (unlikely(ret != 0)) { |
| 2433 | hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
| 2434 | WARN_ON(1); |
| 2435 | } |
| 2436 | |
| 2437 | /* |
| 2438 | * If wake_lock is released immediately, kernel would try to suspend |
| 2439 | * immediately as well, Just avoid ping-pong between suspend-resume |
| 2440 | * while there is healthy amount of data transfer going on by |
| 2441 | * releasing the wake_lock after some delay. |
| 2442 | */ |
| 2443 | schedule_delayed_work(&hdd_ipa->wake_lock_work, |
| 2444 | msecs_to_jiffies |
| 2445 | (HDD_IPA_RX_INACTIVITY_MSEC_DELAY)); |
| 2446 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2447 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2448 | |
| 2449 | return ret; |
| 2450 | } |
| 2451 | |
| 2452 | /** |
| 2453 | * hdd_ipa_rm_notify() - IPA resource manager notifier callback |
| 2454 | * @user_data: user data registered with IPA |
| 2455 | * @event: the IPA resource manager event that occurred |
| 2456 | * @data: the data associated with the event |
| 2457 | * |
| 2458 | * Return: None |
| 2459 | */ |
| 2460 | static void hdd_ipa_rm_notify(void *user_data, enum ipa_rm_event event, |
| 2461 | unsigned long data) |
| 2462 | { |
| 2463 | struct hdd_ipa_priv *hdd_ipa = user_data; |
| 2464 | |
| 2465 | if (unlikely(!hdd_ipa)) |
| 2466 | return; |
| 2467 | |
| 2468 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2469 | return; |
| 2470 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2471 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "Evt: %d", event); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2472 | |
| 2473 | switch (event) { |
| 2474 | case IPA_RM_RESOURCE_GRANTED: |
| 2475 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 2476 | /* RM Notification comes with ISR context |
| 2477 | * it should be serialized into work queue to avoid |
| 2478 | * ISR sleep problem |
| 2479 | */ |
| 2480 | hdd_ipa->uc_rm_work.event = event; |
| 2481 | schedule_work(&hdd_ipa->uc_rm_work.work); |
| 2482 | break; |
| 2483 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2484 | qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2485 | hdd_ipa->rm_state = HDD_IPA_RM_GRANTED; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2486 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2487 | hdd_ipa->stats.num_rm_grant++; |
| 2488 | break; |
| 2489 | |
| 2490 | case IPA_RM_RESOURCE_RELEASED: |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2491 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "RM Release"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2492 | hdd_ipa->resource_unloading = false; |
| 2493 | break; |
| 2494 | |
| 2495 | default: |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2496 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Unknown RM Evt: %d", event); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2497 | break; |
| 2498 | } |
| 2499 | } |
| 2500 | |
| 2501 | /** |
| 2502 | * hdd_ipa_rm_cons_release() - WLAN consumer resource release handler |
| 2503 | * |
| 2504 | * Callback function registered with IPA that is called when IPA wants |
| 2505 | * to release the WLAN consumer resource |
| 2506 | * |
| 2507 | * Return: 0 if the request is granted, negative errno otherwise |
| 2508 | */ |
| 2509 | static int hdd_ipa_rm_cons_release(void) |
| 2510 | { |
| 2511 | return 0; |
| 2512 | } |
| 2513 | |
| 2514 | /** |
| 2515 | * hdd_ipa_rm_cons_request() - WLAN consumer resource request handler |
| 2516 | * |
| 2517 | * Callback function registered with IPA that is called when IPA wants |
| 2518 | * to access the WLAN consumer resource |
| 2519 | * |
| 2520 | * Return: 0 if the request is granted, negative errno otherwise |
| 2521 | */ |
| 2522 | static int hdd_ipa_rm_cons_request(void) |
| 2523 | { |
Yun Park | 4d8b60a | 2015-10-22 13:59:32 -0700 | [diff] [blame] | 2524 | int ret = 0; |
| 2525 | |
| 2526 | if (ghdd_ipa->resource_loading) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2527 | HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, |
Yun Park | 4d8b60a | 2015-10-22 13:59:32 -0700 | [diff] [blame] | 2528 | "%s: IPA resource loading in progress", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2529 | __func__); |
| 2530 | ghdd_ipa->pending_cons_req = true; |
Yun Park | 4d8b60a | 2015-10-22 13:59:32 -0700 | [diff] [blame] | 2531 | ret = -EINPROGRESS; |
| 2532 | } else if (ghdd_ipa->resource_unloading) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2533 | HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, |
Yun Park | 4d8b60a | 2015-10-22 13:59:32 -0700 | [diff] [blame] | 2534 | "%s: IPA resource unloading in progress", |
| 2535 | __func__); |
| 2536 | ghdd_ipa->pending_cons_req = true; |
| 2537 | ret = -EPERM; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2538 | } |
Yun Park | 4d8b60a | 2015-10-22 13:59:32 -0700 | [diff] [blame] | 2539 | |
| 2540 | return ret; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2541 | } |
| 2542 | |
| 2543 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2544 | * __hdd_ipa_set_perf_level() - Set IPA performance level |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2545 | * @hdd_ctx: Global HDD context |
| 2546 | * @tx_packets: Number of packets transmitted in the last sample period |
| 2547 | * @rx_packets: Number of packets received in the last sample period |
| 2548 | * |
| 2549 | * Return: 0 on success, negative errno on error |
| 2550 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2551 | static int __hdd_ipa_set_perf_level(hdd_context_t *hdd_ctx, uint64_t tx_packets, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2552 | uint64_t rx_packets) |
| 2553 | { |
| 2554 | uint32_t next_cons_bw, next_prod_bw; |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2555 | struct hdd_ipa_priv *hdd_ipa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2556 | struct ipa_rm_perf_profile profile; |
| 2557 | int ret; |
| 2558 | |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2559 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 2560 | return 0; |
| 2561 | |
| 2562 | hdd_ipa = hdd_ctx->hdd_ipa; |
| 2563 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2564 | if ((!hdd_ipa_is_enabled(hdd_ctx)) || |
| 2565 | (!hdd_ipa_is_clk_scaling_enabled(hdd_ctx))) |
| 2566 | return 0; |
| 2567 | |
| 2568 | memset(&profile, 0, sizeof(profile)); |
| 2569 | |
| 2570 | if (tx_packets > (hdd_ctx->config->busBandwidthHighThreshold / 2)) |
| 2571 | next_cons_bw = hdd_ctx->config->IpaHighBandwidthMbps; |
| 2572 | else if (tx_packets > |
| 2573 | (hdd_ctx->config->busBandwidthMediumThreshold / 2)) |
| 2574 | next_cons_bw = hdd_ctx->config->IpaMediumBandwidthMbps; |
| 2575 | else |
| 2576 | next_cons_bw = hdd_ctx->config->IpaLowBandwidthMbps; |
| 2577 | |
| 2578 | if (rx_packets > (hdd_ctx->config->busBandwidthHighThreshold / 2)) |
| 2579 | next_prod_bw = hdd_ctx->config->IpaHighBandwidthMbps; |
| 2580 | else if (rx_packets > |
| 2581 | (hdd_ctx->config->busBandwidthMediumThreshold / 2)) |
| 2582 | next_prod_bw = hdd_ctx->config->IpaMediumBandwidthMbps; |
| 2583 | else |
| 2584 | next_prod_bw = hdd_ctx->config->IpaLowBandwidthMbps; |
| 2585 | |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 2586 | HDD_IPA_LOG(LOGOFF, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2587 | "CONS perf curr: %d, next: %d", |
| 2588 | hdd_ipa->curr_cons_bw, next_cons_bw); |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 2589 | HDD_IPA_LOG(LOGOFF, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2590 | "PROD perf curr: %d, next: %d", |
| 2591 | hdd_ipa->curr_prod_bw, next_prod_bw); |
| 2592 | |
| 2593 | if (hdd_ipa->curr_cons_bw != next_cons_bw) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2594 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2595 | "Requesting CONS perf curr: %d, next: %d", |
| 2596 | hdd_ipa->curr_cons_bw, next_cons_bw); |
| 2597 | profile.max_supported_bandwidth_mbps = next_cons_bw; |
| 2598 | ret = ipa_rm_set_perf_profile(IPA_RM_RESOURCE_WLAN_CONS, |
| 2599 | &profile); |
| 2600 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2601 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2602 | "RM CONS set perf profile failed: %d", ret); |
| 2603 | |
| 2604 | return ret; |
| 2605 | } |
| 2606 | hdd_ipa->curr_cons_bw = next_cons_bw; |
| 2607 | hdd_ipa->stats.num_cons_perf_req++; |
| 2608 | } |
| 2609 | |
| 2610 | if (hdd_ipa->curr_prod_bw != next_prod_bw) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2611 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2612 | "Requesting PROD perf curr: %d, next: %d", |
| 2613 | hdd_ipa->curr_prod_bw, next_prod_bw); |
| 2614 | profile.max_supported_bandwidth_mbps = next_prod_bw; |
| 2615 | ret = ipa_rm_set_perf_profile(IPA_RM_RESOURCE_WLAN_PROD, |
| 2616 | &profile); |
| 2617 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2618 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2619 | "RM PROD set perf profile failed: %d", ret); |
| 2620 | return ret; |
| 2621 | } |
| 2622 | hdd_ipa->curr_prod_bw = next_prod_bw; |
| 2623 | hdd_ipa->stats.num_prod_perf_req++; |
| 2624 | } |
| 2625 | |
| 2626 | return 0; |
| 2627 | } |
| 2628 | |
| 2629 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 2630 | * hdd_ipa_set_perf_level() - SSR wrapper for __hdd_ipa_set_perf_level |
| 2631 | * @hdd_ctx: Global HDD context |
| 2632 | * @tx_packets: Number of packets transmitted in the last sample period |
| 2633 | * @rx_packets: Number of packets received in the last sample period |
| 2634 | * |
| 2635 | * Return: 0 on success, negative errno on error |
| 2636 | */ |
| 2637 | int hdd_ipa_set_perf_level(hdd_context_t *hdd_ctx, uint64_t tx_packets, |
| 2638 | uint64_t rx_packets) |
| 2639 | { |
| 2640 | int ret; |
| 2641 | |
| 2642 | cds_ssr_protect(__func__); |
| 2643 | ret = __hdd_ipa_set_perf_level(hdd_ctx, tx_packets, rx_packets); |
| 2644 | cds_ssr_unprotect(__func__); |
| 2645 | |
| 2646 | return ret; |
| 2647 | } |
| 2648 | |
| 2649 | /** |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 2650 | * hdd_ipa_init_uc_rm_work - init ipa uc resource manager work |
| 2651 | * @work: struct work_struct |
| 2652 | * @work_handler: work_handler |
| 2653 | * |
| 2654 | * Return: none |
| 2655 | */ |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 2656 | static void hdd_ipa_init_uc_rm_work(struct work_struct *work, |
| 2657 | work_func_t work_handler) |
| 2658 | { |
| 2659 | INIT_WORK(work, work_handler); |
| 2660 | } |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 2661 | |
| 2662 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2663 | * hdd_ipa_setup_rm() - Setup IPA resource management |
| 2664 | * @hdd_ipa: Global HDD IPA context |
| 2665 | * |
| 2666 | * Return: 0 on success, negative errno on error |
| 2667 | */ |
| 2668 | static int hdd_ipa_setup_rm(struct hdd_ipa_priv *hdd_ipa) |
| 2669 | { |
| 2670 | struct ipa_rm_create_params create_params = { 0 }; |
| 2671 | int ret; |
| 2672 | |
| 2673 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2674 | return 0; |
| 2675 | |
Rajeev Kumar | 217f217 | 2016-01-06 18:11:55 -0800 | [diff] [blame] | 2676 | hdd_ipa_init_uc_rm_work(&hdd_ipa->uc_rm_work.work, |
| 2677 | hdd_ipa_uc_rm_notify_defer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2678 | memset(&create_params, 0, sizeof(create_params)); |
| 2679 | create_params.name = IPA_RM_RESOURCE_WLAN_PROD; |
| 2680 | create_params.reg_params.user_data = hdd_ipa; |
| 2681 | create_params.reg_params.notify_cb = hdd_ipa_rm_notify; |
| 2682 | create_params.floor_voltage = IPA_VOLTAGE_SVS; |
| 2683 | |
| 2684 | ret = ipa_rm_create_resource(&create_params); |
| 2685 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2686 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2687 | "Create RM resource failed: %d", ret); |
| 2688 | goto setup_rm_fail; |
| 2689 | } |
| 2690 | |
| 2691 | memset(&create_params, 0, sizeof(create_params)); |
| 2692 | create_params.name = IPA_RM_RESOURCE_WLAN_CONS; |
| 2693 | create_params.request_resource = hdd_ipa_rm_cons_request; |
| 2694 | create_params.release_resource = hdd_ipa_rm_cons_release; |
| 2695 | create_params.floor_voltage = IPA_VOLTAGE_SVS; |
| 2696 | |
| 2697 | ret = ipa_rm_create_resource(&create_params); |
| 2698 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2699 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2700 | "Create RM CONS resource failed: %d", ret); |
| 2701 | goto delete_prod; |
| 2702 | } |
| 2703 | |
| 2704 | ipa_rm_add_dependency(IPA_RM_RESOURCE_WLAN_PROD, |
| 2705 | IPA_RM_RESOURCE_APPS_CONS); |
| 2706 | |
| 2707 | ret = ipa_rm_inactivity_timer_init(IPA_RM_RESOURCE_WLAN_PROD, |
| 2708 | HDD_IPA_RX_INACTIVITY_MSEC_DELAY); |
| 2709 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2710 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Timer init failed: %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2711 | ret); |
| 2712 | goto timer_init_failed; |
| 2713 | } |
| 2714 | |
| 2715 | /* Set the lowest bandwidth to start with */ |
| 2716 | ret = hdd_ipa_set_perf_level(hdd_ipa->hdd_ctx, 0, 0); |
| 2717 | |
| 2718 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2719 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2720 | "Set perf level failed: %d", ret); |
| 2721 | goto set_perf_failed; |
| 2722 | } |
| 2723 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2724 | qdf_wake_lock_create(&hdd_ipa->wake_lock, "wlan_ipa"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2725 | INIT_DELAYED_WORK(&hdd_ipa->wake_lock_work, |
| 2726 | hdd_ipa_wake_lock_timer_func); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2727 | qdf_spinlock_create(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2728 | hdd_ipa->rm_state = HDD_IPA_RM_RELEASED; |
| 2729 | hdd_ipa->wake_lock_released = true; |
| 2730 | atomic_set(&hdd_ipa->tx_ref_cnt, 0); |
| 2731 | |
| 2732 | return ret; |
| 2733 | |
| 2734 | set_perf_failed: |
| 2735 | ipa_rm_inactivity_timer_destroy(IPA_RM_RESOURCE_WLAN_PROD); |
| 2736 | |
| 2737 | timer_init_failed: |
| 2738 | ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_CONS); |
| 2739 | |
| 2740 | delete_prod: |
| 2741 | ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| 2742 | |
| 2743 | setup_rm_fail: |
| 2744 | return ret; |
| 2745 | } |
| 2746 | |
| 2747 | /** |
| 2748 | * hdd_ipa_destroy_rm_resource() - Destroy IPA resources |
| 2749 | * @hdd_ipa: Global HDD IPA context |
| 2750 | * |
| 2751 | * Destroys all resources associated with the IPA resource manager |
| 2752 | * |
| 2753 | * Return: None |
| 2754 | */ |
| 2755 | static void hdd_ipa_destroy_rm_resource(struct hdd_ipa_priv *hdd_ipa) |
| 2756 | { |
| 2757 | int ret; |
| 2758 | |
| 2759 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 2760 | return; |
| 2761 | |
| 2762 | cancel_delayed_work_sync(&hdd_ipa->wake_lock_work); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2763 | qdf_wake_lock_destroy(&hdd_ipa->wake_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2764 | |
| 2765 | #ifdef WLAN_OPEN_SOURCE |
| 2766 | cancel_work_sync(&hdd_ipa->uc_rm_work.work); |
| 2767 | #endif |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 2768 | qdf_spinlock_destroy(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2769 | |
| 2770 | ipa_rm_inactivity_timer_destroy(IPA_RM_RESOURCE_WLAN_PROD); |
| 2771 | |
| 2772 | ret = ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_PROD); |
| 2773 | if (ret) |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2774 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2775 | "RM PROD resource delete failed %d", ret); |
| 2776 | |
| 2777 | ret = ipa_rm_delete_resource(IPA_RM_RESOURCE_WLAN_CONS); |
| 2778 | if (ret) |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2779 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2780 | "RM CONS resource delete failed %d", ret); |
| 2781 | } |
| 2782 | |
| 2783 | /** |
| 2784 | * hdd_ipa_send_skb_to_network() - Send skb to kernel |
| 2785 | * @skb: network buffer |
| 2786 | * @adapter: network adapter |
| 2787 | * |
| 2788 | * Called when a network buffer is received which should not be routed |
| 2789 | * to the IPA module. |
| 2790 | * |
| 2791 | * Return: None |
| 2792 | */ |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 2793 | static void hdd_ipa_send_skb_to_network(qdf_nbuf_t skb, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2794 | hdd_adapter_t *adapter) |
| 2795 | { |
| 2796 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 2797 | unsigned int cpu_index; |
| 2798 | |
| 2799 | if (!adapter || adapter->magic != WLAN_HDD_ADAPTER_MAGIC) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2800 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_LOW, "Invalid adapter: 0x%p", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2801 | adapter); |
| 2802 | HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
Yun Park | f8d6a12 | 2016-10-11 15:49:43 -0700 | [diff] [blame] | 2803 | kfree_skb(skb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2804 | return; |
| 2805 | } |
| 2806 | |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 2807 | if (cds_is_driver_unloading()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2808 | HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
Yun Park | f8d6a12 | 2016-10-11 15:49:43 -0700 | [diff] [blame] | 2809 | kfree_skb(skb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2810 | return; |
| 2811 | } |
| 2812 | |
| 2813 | skb->destructor = hdd_ipa_uc_rt_debug_destructor; |
| 2814 | skb->dev = adapter->dev; |
| 2815 | skb->protocol = eth_type_trans(skb, skb->dev); |
| 2816 | skb->ip_summed = CHECKSUM_NONE; |
| 2817 | |
| 2818 | cpu_index = wlan_hdd_get_cpu(); |
| 2819 | |
| 2820 | ++adapter->hdd_stats.hddTxRxStats.rxPackets[cpu_index]; |
| 2821 | if (netif_rx_ni(skb) == NET_RX_SUCCESS) |
| 2822 | ++adapter->hdd_stats.hddTxRxStats.rxDelivered[cpu_index]; |
| 2823 | else |
| 2824 | ++adapter->hdd_stats.hddTxRxStats.rxRefused[cpu_index]; |
| 2825 | |
| 2826 | HDD_IPA_INCREASE_NET_SEND_COUNT(hdd_ipa); |
| 2827 | adapter->dev->last_rx = jiffies; |
| 2828 | } |
| 2829 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2830 | /** |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 2831 | * hdd_ipa_forward() - handle packet forwarding to wlan tx |
| 2832 | * @hdd_ipa: pointer to hdd ipa context |
| 2833 | * @adapter: network adapter |
| 2834 | * @skb: data pointer |
| 2835 | * |
| 2836 | * if exception packet has set forward bit, copied new packet should be |
| 2837 | * forwarded to wlan tx. if wlan subsystem is in suspend state, packet should |
| 2838 | * put into pm queue and tx procedure will be differed |
| 2839 | * |
| 2840 | * Return: None |
| 2841 | */ |
Jeff Johnson | 414f7ea | 2016-10-19 18:50:02 -0700 | [diff] [blame] | 2842 | static void hdd_ipa_forward(struct hdd_ipa_priv *hdd_ipa, |
| 2843 | hdd_adapter_t *adapter, qdf_nbuf_t skb) |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 2844 | { |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 2845 | struct hdd_ipa_pm_tx_cb *pm_tx_cb; |
| 2846 | |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 2847 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
| 2848 | /* WLAN subsystem is in suspend, put int queue */ |
| 2849 | if (hdd_ipa->suspended) { |
| 2850 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2851 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 2852 | "TX in SUSPEND PUT QUEUE"); |
Prakash Dhavali | 87b38e3 | 2016-11-14 16:22:53 -0800 | [diff] [blame] | 2853 | qdf_mem_set(skb->cb, sizeof(skb->cb), 0); |
| 2854 | pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 2855 | pm_tx_cb->exception = true; |
| 2856 | pm_tx_cb->adapter = adapter; |
| 2857 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 87b38e3 | 2016-11-14 16:22:53 -0800 | [diff] [blame] | 2858 | qdf_nbuf_queue_add(&hdd_ipa->pm_queue_head, skb); |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 2859 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
| 2860 | hdd_ipa->stats.num_tx_queued++; |
| 2861 | } else { |
| 2862 | /* Resume, put packet into WLAN TX */ |
| 2863 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 87b38e3 | 2016-11-14 16:22:53 -0800 | [diff] [blame] | 2864 | if (hdd_softap_hard_start_xmit(skb, adapter->dev)) { |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 2865 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 2866 | "packet tx fail"); |
Prakash Dhavali | 87b38e3 | 2016-11-14 16:22:53 -0800 | [diff] [blame] | 2867 | hdd_ipa->stats.num_tx_bcmc_err++; |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 2868 | } else { |
| 2869 | hdd_ipa->stats.num_tx_bcmc++; |
| 2870 | hdd_ipa->ipa_tx_forward++; |
| 2871 | } |
| 2872 | } |
| 2873 | } |
| 2874 | |
| 2875 | /** |
Prakash Dhavali | 87b38e3 | 2016-11-14 16:22:53 -0800 | [diff] [blame] | 2876 | * hdd_ipa_intrabss_forward() - Forward intra bss packets. |
| 2877 | * @hdd_ipa: pointer to HDD IPA struct |
| 2878 | * @adapter: hdd adapter pointer |
| 2879 | * @desc: Firmware descriptor |
| 2880 | * @skb: Data buffer |
| 2881 | * |
| 2882 | * Return: |
| 2883 | * HDD_IPA_FORWARD_PKT_NONE |
| 2884 | * HDD_IPA_FORWARD_PKT_DISCARD |
| 2885 | * HDD_IPA_FORWARD_PKT_LOCAL_STACK |
| 2886 | * |
| 2887 | */ |
| 2888 | |
| 2889 | static enum hdd_ipa_forward_type hdd_ipa_intrabss_forward( |
| 2890 | struct hdd_ipa_priv *hdd_ipa, |
| 2891 | hdd_adapter_t *adapter, |
| 2892 | uint8_t desc, |
| 2893 | qdf_nbuf_t skb) |
| 2894 | { |
| 2895 | int ret = HDD_IPA_FORWARD_PKT_NONE; |
| 2896 | |
| 2897 | if ((desc & FW_RX_DESC_FORWARD_M)) { |
| 2898 | HDD_IPA_LOG(QDF_TRACE_LEVEL_DEBUG, |
| 2899 | "Forward packet to Tx (fw_desc=%d)", desc); |
| 2900 | hdd_ipa->ipa_tx_forward++; |
| 2901 | |
| 2902 | if ((desc & FW_RX_DESC_DISCARD_M)) { |
| 2903 | hdd_ipa_forward(hdd_ipa, adapter, skb); |
| 2904 | hdd_ipa->ipa_rx_internel_drop_count++; |
| 2905 | hdd_ipa->ipa_rx_discard++; |
| 2906 | ret = HDD_IPA_FORWARD_PKT_DISCARD; |
| 2907 | } else { |
| 2908 | struct sk_buff *cloned_skb = skb_clone(skb, GFP_ATOMIC); |
| 2909 | if (cloned_skb) |
| 2910 | hdd_ipa_forward(hdd_ipa, adapter, cloned_skb); |
| 2911 | else |
| 2912 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 2913 | "%s: tx skb alloc failed", |
| 2914 | __func__); |
| 2915 | ret = HDD_IPA_FORWARD_PKT_LOCAL_STACK; |
| 2916 | } |
| 2917 | } |
| 2918 | |
| 2919 | return ret; |
| 2920 | } |
| 2921 | |
| 2922 | /** |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 2923 | * hdd_ipa_w2i_cb() - WLAN to IPA callback handler |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2924 | * @priv: pointer to private data registered with IPA (we register a |
| 2925 | * pointer to the global IPA context) |
| 2926 | * @evt: the IPA event which triggered the callback |
| 2927 | * @data: data associated with the event |
| 2928 | * |
| 2929 | * Return: None |
| 2930 | */ |
Yun Park | f8d6a12 | 2016-10-11 15:49:43 -0700 | [diff] [blame] | 2931 | static void __hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2932 | unsigned long data) |
| 2933 | { |
| 2934 | struct hdd_ipa_priv *hdd_ipa = NULL; |
| 2935 | hdd_adapter_t *adapter = NULL; |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 2936 | qdf_nbuf_t skb; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2937 | uint8_t iface_id; |
| 2938 | uint8_t session_id; |
| 2939 | struct hdd_ipa_iface_context *iface_context; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2940 | uint8_t fw_desc; |
Yun Park | f8d6a12 | 2016-10-11 15:49:43 -0700 | [diff] [blame] | 2941 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2942 | |
| 2943 | hdd_ipa = (struct hdd_ipa_priv *)priv; |
| 2944 | |
Prakash Dhavali | 63f8fd6 | 2016-11-14 14:40:42 -0800 | [diff] [blame] | 2945 | if (!hdd_ipa || wlan_hdd_validate_context(hdd_ipa->hdd_ctx)) |
| 2946 | return; |
| 2947 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2948 | switch (evt) { |
| 2949 | case IPA_RECEIVE: |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 2950 | skb = (qdf_nbuf_t) data; |
Yun Park | f8d6a12 | 2016-10-11 15:49:43 -0700 | [diff] [blame] | 2951 | |
| 2952 | /* |
| 2953 | * When SSR is going on or driver is unloading, |
| 2954 | * just drop the packets. |
| 2955 | */ |
| 2956 | status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
| 2957 | if (0 != status) { |
| 2958 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 2959 | "Invalid context: drop packet"); |
| 2960 | HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
| 2961 | kfree_skb(skb); |
| 2962 | return; |
| 2963 | } |
| 2964 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2965 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 2966 | session_id = (uint8_t)skb->cb[0]; |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 2967 | iface_id = hdd_ipa->vdev_to_iface[session_id]; |
Govind Singh | b6a8977 | 2016-08-12 11:23:35 +0530 | [diff] [blame] | 2968 | HDD_IPA_DP_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2969 | "IPA_RECEIVE: session_id=%u, iface_id=%u", |
| 2970 | session_id, iface_id); |
| 2971 | } else { |
| 2972 | iface_id = HDD_IPA_GET_IFACE_ID(skb->data); |
| 2973 | } |
| 2974 | |
| 2975 | if (iface_id >= HDD_IPA_MAX_IFACE) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2976 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2977 | "IPA_RECEIVE: Invalid iface_id: %u", |
| 2978 | iface_id); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2979 | HDD_IPA_DBG_DUMP(QDF_TRACE_LEVEL_INFO_HIGH, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2980 | "w2i -- skb", skb->data, 8); |
| 2981 | HDD_IPA_INCREASE_INTERNAL_DROP_COUNT(hdd_ipa); |
Yun Park | f8d6a12 | 2016-10-11 15:49:43 -0700 | [diff] [blame] | 2982 | kfree_skb(skb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2983 | return; |
| 2984 | } |
| 2985 | |
| 2986 | iface_context = &hdd_ipa->iface_context[iface_id]; |
| 2987 | adapter = iface_context->adapter; |
| 2988 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2989 | HDD_IPA_DBG_DUMP(QDF_TRACE_LEVEL_DEBUG, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2990 | "w2i -- skb", skb->data, 8); |
| 2991 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 2992 | hdd_ipa->stats.num_rx_excep++; |
| 2993 | skb_pull(skb, HDD_IPA_UC_WLAN_CLD_HDR_LEN); |
| 2994 | } else { |
| 2995 | skb_pull(skb, HDD_IPA_WLAN_CLD_HDR_LEN); |
| 2996 | } |
| 2997 | |
| 2998 | iface_context->stats.num_rx_ipa_excep++; |
| 2999 | |
| 3000 | /* Disable to forward Intra-BSS Rx packets when |
| 3001 | * ap_isolate=1 in hostapd.conf |
| 3002 | */ |
Yun Park | 046101c | 2016-09-02 15:32:14 -0700 | [diff] [blame] | 3003 | if (!adapter->sessionCtx.ap.apDisableIntraBssFwd) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3004 | /* |
| 3005 | * When INTRA_BSS_FWD_OFFLOAD is enabled, FW will send |
| 3006 | * all Rx packets to IPA uC, which need to be forwarded |
| 3007 | * to other interface. |
| 3008 | * And, IPA driver will send back to WLAN host driver |
| 3009 | * through exception pipe with fw_desc field set by FW. |
| 3010 | * Here we are checking fw_desc field for FORWARD bit |
| 3011 | * set, and forward to Tx. Then copy to kernel stack |
| 3012 | * only when DISCARD bit is not set. |
| 3013 | */ |
| 3014 | fw_desc = (uint8_t)skb->cb[1]; |
Prakash Dhavali | 87b38e3 | 2016-11-14 16:22:53 -0800 | [diff] [blame] | 3015 | if (HDD_IPA_FORWARD_PKT_DISCARD == |
| 3016 | hdd_ipa_intrabss_forward(hdd_ipa, adapter, |
| 3017 | fw_desc, skb)) |
Mahesh Kumar Kalikot Veetil | 221dc67 | 2015-11-06 14:27:28 -0800 | [diff] [blame] | 3018 | break; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3019 | } else { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3020 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO_HIGH, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3021 | "Intra-BSS FWD is disabled-skip forward to Tx"); |
| 3022 | } |
| 3023 | |
| 3024 | hdd_ipa_send_skb_to_network(skb, adapter); |
| 3025 | break; |
| 3026 | |
| 3027 | default: |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3028 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3029 | "w2i cb wrong event: 0x%x", evt); |
| 3030 | return; |
| 3031 | } |
| 3032 | } |
| 3033 | |
| 3034 | /** |
Yun Park | f8d6a12 | 2016-10-11 15:49:43 -0700 | [diff] [blame] | 3035 | * hdd_ipa_w2i_cb() - SSR wrapper for __hdd_ipa_w2i_cb |
| 3036 | * @priv: pointer to private data registered with IPA (we register a |
| 3037 | * pointer to the global IPA context) |
| 3038 | * @evt: the IPA event which triggered the callback |
| 3039 | * @data: data associated with the event |
| 3040 | * |
| 3041 | * Return: None |
| 3042 | */ |
| 3043 | static void hdd_ipa_w2i_cb(void *priv, enum ipa_dp_evt_type evt, |
| 3044 | unsigned long data) |
| 3045 | { |
| 3046 | cds_ssr_protect(__func__); |
| 3047 | __hdd_ipa_w2i_cb(priv, evt, data); |
| 3048 | cds_ssr_unprotect(__func__); |
| 3049 | } |
| 3050 | |
| 3051 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3052 | * hdd_ipa_nbuf_cb() - IPA TX complete callback |
| 3053 | * @skb: packet buffer which was transmitted |
| 3054 | * |
| 3055 | * Return: None |
| 3056 | */ |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3057 | void hdd_ipa_nbuf_cb(qdf_nbuf_t skb) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3058 | { |
| 3059 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 3060 | |
Govind Singh | b6a8977 | 2016-08-12 11:23:35 +0530 | [diff] [blame] | 3061 | HDD_IPA_DP_LOG(QDF_TRACE_LEVEL_DEBUG, "%p", |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3062 | wlan_hdd_stub_priv_to_addr(QDF_NBUF_CB_TX_IPA_PRIV(skb))); |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 3063 | /* FIXME: This is broken; PRIV_DATA is now 31 bits */ |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3064 | ipa_free_skb((struct ipa_rx_data *) |
| 3065 | wlan_hdd_stub_priv_to_addr(QDF_NBUF_CB_TX_IPA_PRIV(skb))); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3066 | |
| 3067 | hdd_ipa->stats.num_tx_comp_cnt++; |
| 3068 | |
| 3069 | atomic_dec(&hdd_ipa->tx_ref_cnt); |
| 3070 | |
| 3071 | hdd_ipa_rm_try_release(hdd_ipa); |
| 3072 | } |
| 3073 | |
| 3074 | /** |
| 3075 | * hdd_ipa_send_pkt_to_tl() - Send an IPA packet to TL |
| 3076 | * @iface_context: interface-specific IPA context |
| 3077 | * @ipa_tx_desc: packet data descriptor |
| 3078 | * |
| 3079 | * Return: None |
| 3080 | */ |
| 3081 | static void hdd_ipa_send_pkt_to_tl( |
| 3082 | struct hdd_ipa_iface_context *iface_context, |
| 3083 | struct ipa_rx_data *ipa_tx_desc) |
| 3084 | { |
| 3085 | struct hdd_ipa_priv *hdd_ipa = iface_context->hdd_ipa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3086 | hdd_adapter_t *adapter = NULL; |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3087 | qdf_nbuf_t skb; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3088 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3089 | qdf_spin_lock_bh(&iface_context->interface_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3090 | adapter = iface_context->adapter; |
| 3091 | if (!adapter) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3092 | HDD_IPA_LOG(QDF_TRACE_LEVEL_WARN, "Interface Down"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3093 | ipa_free_skb(ipa_tx_desc); |
| 3094 | iface_context->stats.num_tx_drop++; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3095 | qdf_spin_unlock_bh(&iface_context->interface_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3096 | hdd_ipa_rm_try_release(hdd_ipa); |
| 3097 | return; |
| 3098 | } |
| 3099 | |
| 3100 | /* |
| 3101 | * During CAC period, data packets shouldn't be sent over the air so |
| 3102 | * drop all the packets here |
| 3103 | */ |
| 3104 | if (WLAN_HDD_GET_AP_CTX_PTR(adapter)->dfs_cac_block_tx) { |
| 3105 | ipa_free_skb(ipa_tx_desc); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3106 | qdf_spin_unlock_bh(&iface_context->interface_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3107 | iface_context->stats.num_tx_cac_drop++; |
| 3108 | hdd_ipa_rm_try_release(hdd_ipa); |
| 3109 | return; |
| 3110 | } |
| 3111 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3112 | ++adapter->stats.tx_packets; |
| 3113 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3114 | qdf_spin_unlock_bh(&iface_context->interface_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3115 | |
| 3116 | skb = ipa_tx_desc->skb; |
| 3117 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3118 | qdf_mem_set(skb->cb, sizeof(skb->cb), 0); |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3119 | qdf_nbuf_ipa_owned_set(skb); |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 3120 | /* FIXME: This is broken. No such field in cb any more: |
| 3121 | NBUF_CALLBACK_FN(skb) = hdd_ipa_nbuf_cb; */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3122 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3123 | qdf_nbuf_mapped_paddr_set(skb, |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 3124 | ipa_tx_desc->dma_addr |
| 3125 | + HDD_IPA_WLAN_FRAG_HEADER |
| 3126 | + HDD_IPA_WLAN_IPA_HEADER); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3127 | ipa_tx_desc->skb->len -= |
| 3128 | HDD_IPA_WLAN_FRAG_HEADER + HDD_IPA_WLAN_IPA_HEADER; |
| 3129 | } else |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3130 | qdf_nbuf_mapped_paddr_set(skb, ipa_tx_desc->dma_addr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3131 | |
Houston Hoffman | 43d47fa | 2016-02-24 16:34:30 -0800 | [diff] [blame] | 3132 | /* FIXME: This is broken: priv_data is 31 bits */ |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3133 | qdf_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] | 3134 | |
| 3135 | adapter->stats.tx_bytes += ipa_tx_desc->skb->len; |
| 3136 | |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 3137 | skb = cdp_ipa_tx_send_data_frame(cds_get_context(QDF_MODULE_ID_SOC), |
| 3138 | iface_context->tl_context, ipa_tx_desc->skb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3139 | if (skb) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3140 | HDD_IPA_LOG(QDF_TRACE_LEVEL_DEBUG, "TLSHIM tx fail"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3141 | ipa_free_skb(ipa_tx_desc); |
| 3142 | iface_context->stats.num_tx_err++; |
| 3143 | hdd_ipa_rm_try_release(hdd_ipa); |
| 3144 | return; |
| 3145 | } |
| 3146 | |
| 3147 | atomic_inc(&hdd_ipa->tx_ref_cnt); |
| 3148 | |
| 3149 | iface_context->stats.num_tx++; |
| 3150 | |
| 3151 | } |
| 3152 | |
| 3153 | /** |
Leo Chang | 11545d6 | 2016-10-17 14:53:50 -0700 | [diff] [blame] | 3154 | * hdd_ipa_is_present() - get IPA hw status |
| 3155 | * @hdd_ctx: pointer to hdd context |
| 3156 | * |
| 3157 | * ipa_uc_reg_rdyCB is not directly designed to check |
| 3158 | * ipa hw status. This is an undocumented function which |
| 3159 | * has confirmed with IPA team. |
| 3160 | * |
| 3161 | * Return: true - ipa hw present |
| 3162 | * false - ipa hw not present |
| 3163 | */ |
| 3164 | bool hdd_ipa_is_present(hdd_context_t *hdd_ctx) |
| 3165 | { |
| 3166 | /* Check if ipa hw is enabled */ |
Leo Chang | 63d7361 | 2016-10-18 18:09:43 -0700 | [diff] [blame] | 3167 | if (HDD_IPA_CHECK_HW() != -EPERM) |
Leo Chang | 11545d6 | 2016-10-17 14:53:50 -0700 | [diff] [blame] | 3168 | return true; |
| 3169 | else |
| 3170 | return false; |
| 3171 | } |
| 3172 | |
| 3173 | /** |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 3174 | * hdd_ipa_pm_flush() - flush queued packets |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3175 | * @work: pointer to the scheduled work |
| 3176 | * |
| 3177 | * Called during PM resume to send packets to TL which were queued |
| 3178 | * while host was in the process of suspending. |
| 3179 | * |
| 3180 | * Return: None |
| 3181 | */ |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 3182 | static void hdd_ipa_pm_flush(struct work_struct *work) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3183 | { |
| 3184 | struct hdd_ipa_priv *hdd_ipa = container_of(work, |
| 3185 | struct hdd_ipa_priv, |
| 3186 | pm_work); |
| 3187 | struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3188 | qdf_nbuf_t skb; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3189 | uint32_t dequeued = 0; |
| 3190 | |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 3191 | qdf_wake_lock_acquire(&hdd_ipa->wake_lock, |
| 3192 | WIFI_POWER_EVENT_WAKELOCK_IPA); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3193 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3194 | while (((skb = qdf_nbuf_queue_remove(&hdd_ipa->pm_queue_head)) |
| 3195 | != NULL)) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3196 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3197 | |
| 3198 | pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3199 | dequeued++; |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 3200 | if (pm_tx_cb->exception) { |
| 3201 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 3202 | "FLUSH EXCEPTION"); |
| 3203 | hdd_softap_hard_start_xmit(skb, pm_tx_cb->adapter->dev); |
| 3204 | } else { |
| 3205 | hdd_ipa_send_pkt_to_tl(pm_tx_cb->iface_context, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3206 | pm_tx_cb->ipa_tx_desc); |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 3207 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3208 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3209 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3210 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 3211 | qdf_wake_lock_release(&hdd_ipa->wake_lock, |
| 3212 | WIFI_POWER_EVENT_WAKELOCK_IPA); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3213 | |
| 3214 | hdd_ipa->stats.num_tx_dequeued += dequeued; |
| 3215 | if (dequeued > hdd_ipa->stats.num_max_pm_queue) |
| 3216 | hdd_ipa->stats.num_max_pm_queue = dequeued; |
| 3217 | } |
| 3218 | |
| 3219 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3220 | * __hdd_ipa_i2w_cb() - IPA to WLAN callback |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3221 | * @priv: pointer to private data registered with IPA (we register a |
| 3222 | * pointer to the interface-specific IPA context) |
| 3223 | * @evt: the IPA event which triggered the callback |
| 3224 | * @data: data associated with the event |
| 3225 | * |
| 3226 | * Return: None |
| 3227 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3228 | static void __hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3229 | unsigned long data) |
| 3230 | { |
| 3231 | struct hdd_ipa_priv *hdd_ipa = NULL; |
| 3232 | struct ipa_rx_data *ipa_tx_desc; |
| 3233 | struct hdd_ipa_iface_context *iface_context; |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3234 | qdf_nbuf_t skb; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3235 | struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3236 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3237 | |
Mukul Sharma | 81661ae | 2015-10-30 20:26:02 +0530 | [diff] [blame] | 3238 | iface_context = (struct hdd_ipa_iface_context *)priv; |
Prakash Dhavali | 87b38e3 | 2016-11-14 16:22:53 -0800 | [diff] [blame] | 3239 | ipa_tx_desc = (struct ipa_rx_data *)data; |
| 3240 | hdd_ipa = iface_context->hdd_ipa; |
| 3241 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3242 | if (evt != IPA_RECEIVE) { |
Prakash Dhavali | 87b38e3 | 2016-11-14 16:22:53 -0800 | [diff] [blame] | 3243 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Event is not IPA_RECEIVE"); |
| 3244 | ipa_free_skb(ipa_tx_desc); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3245 | iface_context->stats.num_tx_drop++; |
| 3246 | return; |
| 3247 | } |
| 3248 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3249 | /* |
| 3250 | * When SSR is going on or driver is unloading, just drop the packets. |
| 3251 | * During SSR, there is no use in queueing the packets as STA has to |
| 3252 | * connect back any way |
| 3253 | */ |
| 3254 | status = wlan_hdd_validate_context(hdd_ipa->hdd_ctx); |
Abhishek Singh | 23edd1c | 2016-05-05 11:56:06 +0530 | [diff] [blame] | 3255 | if (status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3256 | ipa_free_skb(ipa_tx_desc); |
| 3257 | iface_context->stats.num_tx_drop++; |
| 3258 | return; |
| 3259 | } |
| 3260 | |
| 3261 | skb = ipa_tx_desc->skb; |
| 3262 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3263 | HDD_IPA_DBG_DUMP(QDF_TRACE_LEVEL_DEBUG, "i2w", skb->data, 8); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3264 | |
| 3265 | /* |
| 3266 | * If PROD resource is not requested here then there may be cases where |
| 3267 | * IPA hardware may be clocked down because of not having proper |
| 3268 | * dependency graph between WLAN CONS and modem PROD pipes. Adding the |
| 3269 | * workaround to request PROD resource while data is going over CONS |
| 3270 | * pipe to prevent the IPA hardware clockdown. |
| 3271 | */ |
| 3272 | hdd_ipa_rm_request(hdd_ipa); |
| 3273 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3274 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3275 | /* |
| 3276 | * If host is still suspended then queue the packets and these will be |
| 3277 | * drained later when resume completes. When packet is arrived here and |
| 3278 | * host is suspended, this means that there is already resume is in |
| 3279 | * progress. |
| 3280 | */ |
| 3281 | if (hdd_ipa->suspended) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3282 | qdf_mem_set(skb->cb, sizeof(skb->cb), 0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3283 | pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| 3284 | pm_tx_cb->iface_context = iface_context; |
| 3285 | pm_tx_cb->ipa_tx_desc = ipa_tx_desc; |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 3286 | qdf_nbuf_queue_add(&hdd_ipa->pm_queue_head, skb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3287 | hdd_ipa->stats.num_tx_queued++; |
| 3288 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3289 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3290 | return; |
| 3291 | } |
| 3292 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3293 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3294 | |
| 3295 | /* |
| 3296 | * If we are here means, host is not suspended, wait for the work queue |
| 3297 | * to finish. |
| 3298 | */ |
| 3299 | #ifdef WLAN_OPEN_SOURCE |
| 3300 | flush_work(&hdd_ipa->pm_work); |
| 3301 | #endif |
| 3302 | |
| 3303 | return hdd_ipa_send_pkt_to_tl(iface_context, ipa_tx_desc); |
| 3304 | } |
| 3305 | |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3306 | /* |
| 3307 | * hdd_ipa_i2w_cb() - SSR wrapper for __hdd_ipa_i2w_cb |
| 3308 | * @priv: pointer to private data registered with IPA (we register a |
| 3309 | * pointer to the interface-specific IPA context) |
| 3310 | * @evt: the IPA event which triggered the callback |
| 3311 | * @data: data associated with the event |
| 3312 | * |
| 3313 | * Return: None |
| 3314 | */ |
| 3315 | static void hdd_ipa_i2w_cb(void *priv, enum ipa_dp_evt_type evt, |
| 3316 | unsigned long data) |
| 3317 | { |
| 3318 | cds_ssr_protect(__func__); |
| 3319 | __hdd_ipa_i2w_cb(priv, evt, data); |
| 3320 | cds_ssr_unprotect(__func__); |
| 3321 | } |
| 3322 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3323 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3324 | * __hdd_ipa_suspend() - Suspend IPA |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3325 | * @hdd_ctx: Global HDD context |
| 3326 | * |
| 3327 | * Return: 0 on success, negativer errno on error |
| 3328 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3329 | static int __hdd_ipa_suspend(hdd_context_t *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3330 | { |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3331 | struct hdd_ipa_priv *hdd_ipa; |
| 3332 | |
| 3333 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 3334 | return 0; |
| 3335 | |
| 3336 | hdd_ipa = hdd_ctx->hdd_ipa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3337 | |
| 3338 | if (!hdd_ipa_is_enabled(hdd_ctx)) |
| 3339 | return 0; |
| 3340 | |
| 3341 | /* |
| 3342 | * Check if IPA is ready for suspend, If we are here means, there is |
| 3343 | * high chance that suspend would go through but just to avoid any race |
| 3344 | * condition after suspend started, these checks are conducted before |
| 3345 | * allowing to suspend. |
| 3346 | */ |
| 3347 | if (atomic_read(&hdd_ipa->tx_ref_cnt)) |
| 3348 | return -EAGAIN; |
| 3349 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3350 | qdf_spin_lock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3351 | |
| 3352 | if (hdd_ipa->rm_state != HDD_IPA_RM_RELEASED) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3353 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3354 | return -EAGAIN; |
| 3355 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3356 | qdf_spin_unlock_bh(&hdd_ipa->rm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3357 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3358 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3359 | hdd_ipa->suspended = true; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3360 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3361 | |
| 3362 | return 0; |
| 3363 | } |
| 3364 | |
| 3365 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3366 | * hdd_ipa_suspend() - SSR wrapper for __hdd_ipa_suspend |
| 3367 | * @hdd_ctx: Global HDD context |
| 3368 | * |
| 3369 | * Return: 0 on success, negativer errno on error |
| 3370 | */ |
| 3371 | int hdd_ipa_suspend(hdd_context_t *hdd_ctx) |
| 3372 | { |
| 3373 | int ret; |
| 3374 | |
| 3375 | cds_ssr_protect(__func__); |
| 3376 | ret = __hdd_ipa_suspend(hdd_ctx); |
| 3377 | cds_ssr_unprotect(__func__); |
| 3378 | |
| 3379 | return ret; |
| 3380 | } |
| 3381 | |
| 3382 | /** |
| 3383 | * __hdd_ipa_resume() - Resume IPA following suspend |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3384 | * hdd_ctx: Global HDD context |
| 3385 | * |
| 3386 | * Return: 0 on success, negative errno on error |
| 3387 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3388 | static int __hdd_ipa_resume(hdd_context_t *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3389 | { |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3390 | struct hdd_ipa_priv *hdd_ipa; |
| 3391 | |
| 3392 | if (wlan_hdd_validate_context(hdd_ctx)) |
| 3393 | return 0; |
| 3394 | |
| 3395 | hdd_ipa = hdd_ctx->hdd_ipa; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3396 | |
| 3397 | if (!hdd_ipa_is_enabled(hdd_ctx)) |
| 3398 | return 0; |
| 3399 | |
| 3400 | schedule_work(&hdd_ipa->pm_work); |
| 3401 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3402 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3403 | hdd_ipa->suspended = false; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3404 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3405 | |
| 3406 | return 0; |
| 3407 | } |
| 3408 | |
| 3409 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3410 | * hdd_ipa_resume() - SSR wrapper for __hdd_ipa_resume |
| 3411 | * hdd_ctx: Global HDD context |
| 3412 | * |
| 3413 | * Return: 0 on success, negative errno on error |
| 3414 | */ |
| 3415 | int hdd_ipa_resume(hdd_context_t *hdd_ctx) |
| 3416 | { |
| 3417 | int ret; |
| 3418 | |
| 3419 | cds_ssr_protect(__func__); |
| 3420 | ret = __hdd_ipa_resume(hdd_ctx); |
| 3421 | cds_ssr_unprotect(__func__); |
| 3422 | |
| 3423 | return ret; |
| 3424 | } |
| 3425 | |
| 3426 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3427 | * hdd_ipa_setup_sys_pipe() - Setup all IPA Sys pipes |
| 3428 | * @hdd_ipa: Global HDD IPA context |
| 3429 | * |
| 3430 | * Return: 0 on success, negative errno on error |
| 3431 | */ |
| 3432 | static int hdd_ipa_setup_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| 3433 | { |
| 3434 | int i, ret = 0; |
| 3435 | struct ipa_sys_connect_params *ipa; |
| 3436 | uint32_t desc_fifo_sz; |
| 3437 | |
| 3438 | /* The maximum number of descriptors that can be provided to a BAM at |
| 3439 | * once is one less than the total number of descriptors that the buffer |
| 3440 | * can contain. |
| 3441 | * If max_num_of_descriptors = (BAM_PIPE_DESCRIPTOR_FIFO_SIZE / sizeof |
| 3442 | * (SPS_DESCRIPTOR)), then (max_num_of_descriptors - 1) descriptors can |
| 3443 | * be provided at once. |
| 3444 | * Because of above requirement, one extra descriptor will be added to |
| 3445 | * make sure hardware always has one descriptor. |
| 3446 | */ |
| 3447 | desc_fifo_sz = hdd_ipa->hdd_ctx->config->IpaDescSize |
| 3448 | + sizeof(struct sps_iovec); |
| 3449 | |
| 3450 | /*setup TX pipes */ |
| 3451 | for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| 3452 | ipa = &hdd_ipa->sys_pipe[i].ipa_sys_params; |
| 3453 | |
| 3454 | ipa->client = hdd_ipa_adapter_2_client[i].cons_client; |
| 3455 | ipa->desc_fifo_sz = desc_fifo_sz; |
| 3456 | ipa->priv = &hdd_ipa->iface_context[i]; |
| 3457 | ipa->notify = hdd_ipa_i2w_cb; |
| 3458 | |
| 3459 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3460 | ipa->ipa_ep_cfg.hdr.hdr_len = |
| 3461 | HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| 3462 | ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 3463 | ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size_valid = 1; |
| 3464 | ipa->ipa_ep_cfg.hdr.hdr_ofst_pkt_size = 0; |
| 3465 | ipa->ipa_ep_cfg.hdr.hdr_additional_const_len = |
| 3466 | HDD_IPA_UC_WLAN_8023_HDR_SIZE; |
| 3467 | ipa->ipa_ep_cfg.hdr_ext.hdr_little_endian = true; |
| 3468 | } else { |
| 3469 | ipa->ipa_ep_cfg.hdr.hdr_len = HDD_IPA_WLAN_TX_HDR_LEN; |
| 3470 | } |
| 3471 | ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 3472 | |
| 3473 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 3474 | ipa->keep_ipa_awake = 1; |
| 3475 | |
| 3476 | ret = ipa_setup_sys_pipe(ipa, &(hdd_ipa->sys_pipe[i].conn_hdl)); |
| 3477 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3478 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Failed for pipe %d" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3479 | " ret: %d", i, ret); |
| 3480 | goto setup_sys_pipe_fail; |
| 3481 | } |
| 3482 | hdd_ipa->sys_pipe[i].conn_hdl_valid = 1; |
| 3483 | } |
| 3484 | |
| 3485 | if (!hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3486 | /* |
| 3487 | * Hard code it here, this can be extended if in case |
| 3488 | * PROD pipe is also per interface. |
| 3489 | * Right now there is no advantage of doing this. |
| 3490 | */ |
| 3491 | hdd_ipa->prod_client = IPA_CLIENT_WLAN1_PROD; |
| 3492 | |
| 3493 | ipa = &hdd_ipa->sys_pipe[HDD_IPA_RX_PIPE].ipa_sys_params; |
| 3494 | |
| 3495 | ipa->client = hdd_ipa->prod_client; |
| 3496 | |
| 3497 | ipa->desc_fifo_sz = desc_fifo_sz; |
| 3498 | ipa->priv = hdd_ipa; |
| 3499 | ipa->notify = hdd_ipa_w2i_cb; |
| 3500 | |
| 3501 | ipa->ipa_ep_cfg.nat.nat_en = IPA_BYPASS_NAT; |
| 3502 | ipa->ipa_ep_cfg.hdr.hdr_len = HDD_IPA_WLAN_RX_HDR_LEN; |
| 3503 | ipa->ipa_ep_cfg.hdr.hdr_ofst_metadata_valid = 1; |
| 3504 | ipa->ipa_ep_cfg.mode.mode = IPA_BASIC; |
| 3505 | |
| 3506 | if (!hdd_ipa_is_rm_enabled(hdd_ipa->hdd_ctx)) |
| 3507 | ipa->keep_ipa_awake = 1; |
| 3508 | |
| 3509 | ret = ipa_setup_sys_pipe(ipa, &(hdd_ipa->sys_pipe[i].conn_hdl)); |
| 3510 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3511 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3512 | "Failed for RX pipe: %d", ret); |
| 3513 | goto setup_sys_pipe_fail; |
| 3514 | } |
| 3515 | hdd_ipa->sys_pipe[HDD_IPA_RX_PIPE].conn_hdl_valid = 1; |
| 3516 | } |
| 3517 | |
| 3518 | return ret; |
| 3519 | |
| 3520 | setup_sys_pipe_fail: |
| 3521 | |
| 3522 | while (--i >= 0) { |
| 3523 | ipa_teardown_sys_pipe(hdd_ipa->sys_pipe[i].conn_hdl); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3524 | qdf_mem_zero(&hdd_ipa->sys_pipe[i], |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3525 | sizeof(struct hdd_ipa_sys_pipe)); |
| 3526 | } |
| 3527 | |
| 3528 | return ret; |
| 3529 | } |
| 3530 | |
| 3531 | /** |
| 3532 | * hdd_ipa_teardown_sys_pipe() - Tear down all IPA Sys pipes |
| 3533 | * @hdd_ipa: Global HDD IPA context |
| 3534 | * |
| 3535 | * Return: None |
| 3536 | */ |
| 3537 | static void hdd_ipa_teardown_sys_pipe(struct hdd_ipa_priv *hdd_ipa) |
| 3538 | { |
| 3539 | int ret = 0, i; |
| 3540 | for (i = 0; i < HDD_IPA_MAX_SYSBAM_PIPE; i++) { |
| 3541 | if (hdd_ipa->sys_pipe[i].conn_hdl_valid) { |
| 3542 | ret = |
| 3543 | ipa_teardown_sys_pipe(hdd_ipa->sys_pipe[i]. |
| 3544 | conn_hdl); |
| 3545 | if (ret) |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3546 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Failed: %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3547 | ret); |
| 3548 | |
| 3549 | hdd_ipa->sys_pipe[i].conn_hdl_valid = 0; |
| 3550 | } |
| 3551 | } |
| 3552 | } |
| 3553 | |
| 3554 | /** |
| 3555 | * hdd_ipa_register_interface() - register IPA interface |
| 3556 | * @hdd_ipa: Global IPA context |
| 3557 | * @iface_context: Per-interface IPA context |
| 3558 | * |
| 3559 | * Return: 0 on success, negative errno on error |
| 3560 | */ |
| 3561 | static int hdd_ipa_register_interface(struct hdd_ipa_priv *hdd_ipa, |
| 3562 | struct hdd_ipa_iface_context |
| 3563 | *iface_context) |
| 3564 | { |
| 3565 | struct ipa_tx_intf tx_intf; |
| 3566 | struct ipa_rx_intf rx_intf; |
| 3567 | struct ipa_ioc_tx_intf_prop *tx_prop = NULL; |
| 3568 | struct ipa_ioc_rx_intf_prop *rx_prop = NULL; |
| 3569 | char *ifname = iface_context->adapter->dev->name; |
| 3570 | |
| 3571 | char ipv4_hdr_name[IPA_RESOURCE_NAME_MAX]; |
| 3572 | char ipv6_hdr_name[IPA_RESOURCE_NAME_MAX]; |
| 3573 | |
| 3574 | int num_prop = 1; |
| 3575 | int ret = 0; |
| 3576 | |
| 3577 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) |
| 3578 | num_prop++; |
| 3579 | |
| 3580 | /* Allocate TX properties for TOS categories, 1 each for IPv4 & IPv6 */ |
| 3581 | tx_prop = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3582 | qdf_mem_malloc(sizeof(struct ipa_ioc_tx_intf_prop) * num_prop); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3583 | if (!tx_prop) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3584 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "tx_prop allocation failed"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3585 | goto register_interface_fail; |
| 3586 | } |
| 3587 | |
| 3588 | /* Allocate RX properties, 1 each for IPv4 & IPv6 */ |
| 3589 | rx_prop = |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3590 | qdf_mem_malloc(sizeof(struct ipa_ioc_rx_intf_prop) * num_prop); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3591 | if (!rx_prop) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3592 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "rx_prop allocation failed"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3593 | goto register_interface_fail; |
| 3594 | } |
| 3595 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3596 | qdf_mem_zero(&tx_intf, sizeof(tx_intf)); |
| 3597 | qdf_mem_zero(&rx_intf, sizeof(rx_intf)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3598 | |
| 3599 | snprintf(ipv4_hdr_name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3600 | ifname, HDD_IPA_IPV4_NAME_EXT); |
| 3601 | snprintf(ipv6_hdr_name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3602 | ifname, HDD_IPA_IPV6_NAME_EXT); |
| 3603 | |
| 3604 | rx_prop[IPA_IP_v4].ip = IPA_IP_v4; |
| 3605 | rx_prop[IPA_IP_v4].src_pipe = iface_context->prod_client; |
| 3606 | rx_prop[IPA_IP_v4].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| 3607 | rx_prop[IPA_IP_v4].attrib.attrib_mask = IPA_FLT_META_DATA; |
| 3608 | |
| 3609 | /* |
| 3610 | * Interface ID is 3rd byte in the CLD header. Add the meta data and |
| 3611 | * mask to identify the interface in IPA hardware |
| 3612 | */ |
| 3613 | rx_prop[IPA_IP_v4].attrib.meta_data = |
| 3614 | htonl(iface_context->adapter->sessionId << 16); |
| 3615 | rx_prop[IPA_IP_v4].attrib.meta_data_mask = htonl(0x00FF0000); |
| 3616 | |
| 3617 | rx_intf.num_props++; |
| 3618 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| 3619 | rx_prop[IPA_IP_v6].ip = IPA_IP_v6; |
| 3620 | rx_prop[IPA_IP_v6].src_pipe = iface_context->prod_client; |
| 3621 | rx_prop[IPA_IP_v6].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| 3622 | rx_prop[IPA_IP_v4].attrib.attrib_mask = IPA_FLT_META_DATA; |
| 3623 | rx_prop[IPA_IP_v4].attrib.meta_data = |
| 3624 | htonl(iface_context->adapter->sessionId << 16); |
| 3625 | rx_prop[IPA_IP_v4].attrib.meta_data_mask = htonl(0x00FF0000); |
| 3626 | |
| 3627 | rx_intf.num_props++; |
| 3628 | } |
| 3629 | |
| 3630 | tx_prop[IPA_IP_v4].ip = IPA_IP_v4; |
| 3631 | tx_prop[IPA_IP_v4].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| 3632 | tx_prop[IPA_IP_v4].dst_pipe = IPA_CLIENT_WLAN1_CONS; |
| 3633 | tx_prop[IPA_IP_v4].alt_dst_pipe = iface_context->cons_client; |
| 3634 | strlcpy(tx_prop[IPA_IP_v4].hdr_name, ipv4_hdr_name, |
| 3635 | IPA_RESOURCE_NAME_MAX); |
| 3636 | tx_intf.num_props++; |
| 3637 | |
| 3638 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| 3639 | tx_prop[IPA_IP_v6].ip = IPA_IP_v6; |
| 3640 | tx_prop[IPA_IP_v6].hdr_l2_type = IPA_HDR_L2_ETHERNET_II; |
| 3641 | tx_prop[IPA_IP_v6].dst_pipe = IPA_CLIENT_WLAN1_CONS; |
| 3642 | tx_prop[IPA_IP_v6].alt_dst_pipe = iface_context->cons_client; |
| 3643 | strlcpy(tx_prop[IPA_IP_v6].hdr_name, ipv6_hdr_name, |
| 3644 | IPA_RESOURCE_NAME_MAX); |
| 3645 | tx_intf.num_props++; |
| 3646 | } |
| 3647 | |
| 3648 | tx_intf.prop = tx_prop; |
| 3649 | rx_intf.prop = rx_prop; |
| 3650 | |
| 3651 | /* Call the ipa api to register interface */ |
| 3652 | ret = ipa_register_intf(ifname, &tx_intf, &rx_intf); |
| 3653 | |
| 3654 | register_interface_fail: |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3655 | qdf_mem_free(tx_prop); |
| 3656 | qdf_mem_free(rx_prop); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3657 | return ret; |
| 3658 | } |
| 3659 | |
| 3660 | /** |
| 3661 | * hdd_remove_ipa_header() - Remove a specific header from IPA |
| 3662 | * @name: Name of the header to be removed |
| 3663 | * |
| 3664 | * Return: None |
| 3665 | */ |
| 3666 | static void hdd_ipa_remove_header(char *name) |
| 3667 | { |
| 3668 | struct ipa_ioc_get_hdr hdrlookup; |
| 3669 | int ret = 0, len; |
| 3670 | struct ipa_ioc_del_hdr *ipa_hdr; |
| 3671 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3672 | qdf_mem_zero(&hdrlookup, sizeof(hdrlookup)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3673 | strlcpy(hdrlookup.name, name, sizeof(hdrlookup.name)); |
| 3674 | ret = ipa_get_hdr(&hdrlookup); |
| 3675 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3676 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "Hdr deleted already %s, %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3677 | name, ret); |
| 3678 | return; |
| 3679 | } |
| 3680 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3681 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "hdl: 0x%x", hdrlookup.hdl); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3682 | len = sizeof(struct ipa_ioc_del_hdr) + sizeof(struct ipa_hdr_del) * 1; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3683 | ipa_hdr = (struct ipa_ioc_del_hdr *)qdf_mem_malloc(len); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3684 | if (ipa_hdr == NULL) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3685 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "ipa_hdr allocation failed"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3686 | return; |
| 3687 | } |
| 3688 | ipa_hdr->num_hdls = 1; |
| 3689 | ipa_hdr->commit = 0; |
| 3690 | ipa_hdr->hdl[0].hdl = hdrlookup.hdl; |
| 3691 | ipa_hdr->hdl[0].status = -1; |
| 3692 | ret = ipa_del_hdr(ipa_hdr); |
| 3693 | if (ret != 0) |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3694 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Delete header failed: %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3695 | ret); |
| 3696 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3697 | qdf_mem_free(ipa_hdr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3698 | } |
| 3699 | |
| 3700 | /** |
| 3701 | * hdd_ipa_add_header_info() - Add IPA header for a given interface |
| 3702 | * @hdd_ipa: Global HDD IPA context |
| 3703 | * @iface_context: Interface-specific HDD IPA context |
| 3704 | * @mac_addr: Interface MAC address |
| 3705 | * |
| 3706 | * Return: 0 on success, negativer errno value on error |
| 3707 | */ |
| 3708 | static int hdd_ipa_add_header_info(struct hdd_ipa_priv *hdd_ipa, |
| 3709 | struct hdd_ipa_iface_context *iface_context, |
| 3710 | uint8_t *mac_addr) |
| 3711 | { |
| 3712 | hdd_adapter_t *adapter = iface_context->adapter; |
| 3713 | char *ifname; |
| 3714 | struct ipa_ioc_add_hdr *ipa_hdr = NULL; |
| 3715 | int ret = -EINVAL; |
| 3716 | struct hdd_ipa_tx_hdr *tx_hdr = NULL; |
| 3717 | struct hdd_ipa_uc_tx_hdr *uc_tx_hdr = NULL; |
| 3718 | |
| 3719 | ifname = adapter->dev->name; |
| 3720 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3721 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "Add Partial hdr: %s, %pM", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3722 | ifname, mac_addr); |
| 3723 | |
| 3724 | /* dynamically allocate the memory to add the hdrs */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3725 | ipa_hdr = qdf_mem_malloc(sizeof(struct ipa_ioc_add_hdr) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3726 | + sizeof(struct ipa_hdr_add)); |
| 3727 | if (!ipa_hdr) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3728 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3729 | "%s: ipa_hdr allocation failed", ifname); |
| 3730 | ret = -ENOMEM; |
| 3731 | goto end; |
| 3732 | } |
| 3733 | |
| 3734 | ipa_hdr->commit = 0; |
| 3735 | ipa_hdr->num_hdrs = 1; |
| 3736 | |
| 3737 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3738 | uc_tx_hdr = (struct hdd_ipa_uc_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| 3739 | memcpy(uc_tx_hdr, &ipa_uc_tx_hdr, HDD_IPA_UC_WLAN_TX_HDR_LEN); |
| 3740 | memcpy(uc_tx_hdr->eth.h_source, mac_addr, ETH_ALEN); |
| 3741 | uc_tx_hdr->ipa_hd.vdev_id = iface_context->adapter->sessionId; |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3742 | HDD_IPA_LOG(QDF_TRACE_LEVEL_DEBUG, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3743 | "ifname=%s, vdev_id=%d", |
| 3744 | ifname, uc_tx_hdr->ipa_hd.vdev_id); |
| 3745 | snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3746 | ifname, HDD_IPA_IPV4_NAME_EXT); |
| 3747 | ipa_hdr->hdr[0].hdr_len = HDD_IPA_UC_WLAN_TX_HDR_LEN; |
| 3748 | ipa_hdr->hdr[0].type = IPA_HDR_L2_ETHERNET_II; |
| 3749 | ipa_hdr->hdr[0].is_partial = 1; |
| 3750 | ipa_hdr->hdr[0].hdr_hdl = 0; |
| 3751 | ipa_hdr->hdr[0].is_eth2_ofst_valid = 1; |
| 3752 | ipa_hdr->hdr[0].eth2_ofst = HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET; |
| 3753 | |
| 3754 | ret = ipa_add_hdr(ipa_hdr); |
| 3755 | } else { |
| 3756 | tx_hdr = (struct hdd_ipa_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| 3757 | |
| 3758 | /* Set the Source MAC */ |
| 3759 | memcpy(tx_hdr, &ipa_tx_hdr, HDD_IPA_WLAN_TX_HDR_LEN); |
| 3760 | memcpy(tx_hdr->eth.h_source, mac_addr, ETH_ALEN); |
| 3761 | |
| 3762 | snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3763 | ifname, HDD_IPA_IPV4_NAME_EXT); |
| 3764 | ipa_hdr->hdr[0].hdr_len = HDD_IPA_WLAN_TX_HDR_LEN; |
| 3765 | ipa_hdr->hdr[0].is_partial = 1; |
| 3766 | ipa_hdr->hdr[0].hdr_hdl = 0; |
| 3767 | ipa_hdr->hdr[0].is_eth2_ofst_valid = 1; |
| 3768 | ipa_hdr->hdr[0].eth2_ofst = HDD_IPA_WLAN_HDR_DES_MAC_OFFSET; |
| 3769 | |
| 3770 | /* Set the type to IPV4 in the header */ |
| 3771 | tx_hdr->llc_snap.eth_type = cpu_to_be16(ETH_P_IP); |
| 3772 | |
| 3773 | ret = ipa_add_hdr(ipa_hdr); |
| 3774 | } |
| 3775 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3776 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "%s IPv4 add hdr failed: %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3777 | ifname, ret); |
| 3778 | goto end; |
| 3779 | } |
| 3780 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3781 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: IPv4 hdr_hdl: 0x%x", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3782 | ipa_hdr->hdr[0].name, ipa_hdr->hdr[0].hdr_hdl); |
| 3783 | |
| 3784 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| 3785 | snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3786 | ifname, HDD_IPA_IPV6_NAME_EXT); |
| 3787 | |
| 3788 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 3789 | uc_tx_hdr = |
| 3790 | (struct hdd_ipa_uc_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| 3791 | uc_tx_hdr->eth.h_proto = cpu_to_be16(ETH_P_IPV6); |
| 3792 | } else { |
| 3793 | /* Set the type to IPV6 in the header */ |
| 3794 | tx_hdr = (struct hdd_ipa_tx_hdr *)ipa_hdr->hdr[0].hdr; |
| 3795 | tx_hdr->llc_snap.eth_type = cpu_to_be16(ETH_P_IPV6); |
| 3796 | } |
| 3797 | |
| 3798 | ret = ipa_add_hdr(ipa_hdr); |
| 3799 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3800 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3801 | "%s: IPv6 add hdr failed: %d", ifname, ret); |
| 3802 | goto clean_ipv4_hdr; |
| 3803 | } |
| 3804 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3805 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: IPv6 hdr_hdl: 0x%x", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3806 | ipa_hdr->hdr[0].name, ipa_hdr->hdr[0].hdr_hdl); |
| 3807 | } |
| 3808 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3809 | qdf_mem_free(ipa_hdr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3810 | |
| 3811 | return ret; |
| 3812 | |
| 3813 | clean_ipv4_hdr: |
| 3814 | snprintf(ipa_hdr->hdr[0].name, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3815 | ifname, HDD_IPA_IPV4_NAME_EXT); |
| 3816 | hdd_ipa_remove_header(ipa_hdr->hdr[0].name); |
| 3817 | end: |
| 3818 | if (ipa_hdr) |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3819 | qdf_mem_free(ipa_hdr); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3820 | |
| 3821 | return ret; |
| 3822 | } |
| 3823 | |
| 3824 | /** |
| 3825 | * hdd_ipa_clean_hdr() - Cleanup IPA on a given adapter |
| 3826 | * @adapter: Adapter upon which IPA was previously configured |
| 3827 | * |
| 3828 | * Return: None |
| 3829 | */ |
| 3830 | static void hdd_ipa_clean_hdr(hdd_adapter_t *adapter) |
| 3831 | { |
| 3832 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 3833 | int ret; |
| 3834 | char name_ipa[IPA_RESOURCE_NAME_MAX]; |
| 3835 | |
| 3836 | /* Remove the headers */ |
| 3837 | snprintf(name_ipa, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3838 | adapter->dev->name, HDD_IPA_IPV4_NAME_EXT); |
| 3839 | hdd_ipa_remove_header(name_ipa); |
| 3840 | |
| 3841 | if (hdd_ipa_is_ipv6_enabled(hdd_ipa->hdd_ctx)) { |
| 3842 | snprintf(name_ipa, IPA_RESOURCE_NAME_MAX, "%s%s", |
| 3843 | adapter->dev->name, HDD_IPA_IPV6_NAME_EXT); |
| 3844 | hdd_ipa_remove_header(name_ipa); |
| 3845 | } |
| 3846 | /* unregister the interface with IPA */ |
| 3847 | ret = ipa_deregister_intf(adapter->dev->name); |
| 3848 | if (ret) |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3849 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3850 | "%s: ipa_deregister_intf fail: %d", |
| 3851 | adapter->dev->name, ret); |
| 3852 | } |
| 3853 | |
| 3854 | /** |
| 3855 | * hdd_ipa_cleanup_iface() - Cleanup IPA on a given interface |
| 3856 | * @iface_context: interface-specific IPA context |
| 3857 | * |
| 3858 | * Return: None |
| 3859 | */ |
| 3860 | static void hdd_ipa_cleanup_iface(struct hdd_ipa_iface_context *iface_context) |
| 3861 | { |
| 3862 | if (iface_context == NULL) |
| 3863 | return; |
| 3864 | |
| 3865 | hdd_ipa_clean_hdr(iface_context->adapter); |
| 3866 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3867 | qdf_spin_lock_bh(&iface_context->interface_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3868 | iface_context->adapter->ipa_context = NULL; |
| 3869 | iface_context->adapter = NULL; |
| 3870 | iface_context->tl_context = NULL; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 3871 | qdf_spin_unlock_bh(&iface_context->interface_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3872 | iface_context->ifa_address = 0; |
| 3873 | if (!iface_context->hdd_ipa->num_iface) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3874 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3875 | "NUM INTF 0, Invalid"); |
Anurag Chouhan | df2b268 | 2016-02-29 14:15:27 +0530 | [diff] [blame] | 3876 | QDF_ASSERT(0); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3877 | } |
| 3878 | iface_context->hdd_ipa->num_iface--; |
| 3879 | } |
| 3880 | |
| 3881 | /** |
| 3882 | * hdd_ipa_setup_iface() - Setup IPA on a given interface |
| 3883 | * @hdd_ipa: HDD IPA global context |
| 3884 | * @adapter: Interface upon which IPA is being setup |
| 3885 | * @sta_id: Station ID of the API instance |
| 3886 | * |
| 3887 | * Return: 0 on success, negative errno value on error |
| 3888 | */ |
| 3889 | static int hdd_ipa_setup_iface(struct hdd_ipa_priv *hdd_ipa, |
| 3890 | hdd_adapter_t *adapter, uint8_t sta_id) |
| 3891 | { |
| 3892 | struct hdd_ipa_iface_context *iface_context = NULL; |
| 3893 | void *tl_context = NULL; |
| 3894 | int i, ret = 0; |
| 3895 | |
| 3896 | /* Lower layer may send multiple START_BSS_EVENT in DFS mode or during |
| 3897 | * channel change indication. Since these indications are sent by lower |
| 3898 | * layer as SAP updates and IPA doesn't have to do anything for these |
| 3899 | * updates so ignoring! |
| 3900 | */ |
Krunal Soni | be766b0 | 2016-03-10 13:00:44 -0800 | [diff] [blame] | 3901 | if (QDF_SAP_MODE == adapter->device_mode && adapter->ipa_context) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3902 | return 0; |
| 3903 | |
| 3904 | for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| 3905 | if (hdd_ipa->iface_context[i].adapter == NULL) { |
| 3906 | iface_context = &(hdd_ipa->iface_context[i]); |
| 3907 | break; |
| 3908 | } |
| 3909 | } |
| 3910 | |
| 3911 | if (iface_context == NULL) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3912 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3913 | "All the IPA interfaces are in use"); |
| 3914 | ret = -ENOMEM; |
| 3915 | goto end; |
| 3916 | } |
| 3917 | |
| 3918 | adapter->ipa_context = iface_context; |
| 3919 | iface_context->adapter = adapter; |
| 3920 | iface_context->sta_id = sta_id; |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 3921 | tl_context = cdp_peer_get_vdev_by_sta_id( |
| 3922 | cds_get_context(QDF_MODULE_ID_SOC), sta_id); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3923 | if (tl_context == NULL) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 3924 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3925 | "Not able to get TL context sta_id: %d", sta_id); |
| 3926 | ret = -EINVAL; |
| 3927 | goto end; |
| 3928 | } |
| 3929 | |
| 3930 | iface_context->tl_context = tl_context; |
| 3931 | |
| 3932 | ret = hdd_ipa_add_header_info(hdd_ipa, iface_context, |
| 3933 | adapter->dev->dev_addr); |
| 3934 | |
| 3935 | if (ret) |
| 3936 | goto end; |
| 3937 | |
| 3938 | /* Configure the TX and RX pipes filter rules */ |
| 3939 | ret = hdd_ipa_register_interface(hdd_ipa, iface_context); |
| 3940 | if (ret) |
| 3941 | goto cleanup_header; |
| 3942 | |
| 3943 | hdd_ipa->num_iface++; |
| 3944 | return ret; |
| 3945 | |
| 3946 | cleanup_header: |
| 3947 | |
| 3948 | hdd_ipa_clean_hdr(adapter); |
| 3949 | end: |
| 3950 | if (iface_context) |
| 3951 | hdd_ipa_cleanup_iface(iface_context); |
| 3952 | return ret; |
| 3953 | } |
| 3954 | |
Yun Park | a27049a | 2016-10-11 12:30:49 -0700 | [diff] [blame] | 3955 | #ifndef QCA_LL_TX_FLOW_CONTROL_V2 |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3956 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3957 | * __hdd_ipa_send_mcc_scc_msg() - send IPA WLAN_SWITCH_TO_MCC/SCC message |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3958 | * @mcc_mode: 0=MCC/1=SCC |
| 3959 | * |
| 3960 | * Return: 0 on success, negative errno value on error |
| 3961 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3962 | static int __hdd_ipa_send_mcc_scc_msg(hdd_context_t *hdd_ctx, bool mcc_mode) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3963 | { |
| 3964 | hdd_adapter_list_node_t *adapter_node = NULL, *next = NULL; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3965 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3966 | hdd_adapter_t *pAdapter; |
| 3967 | struct ipa_msg_meta meta; |
| 3968 | struct ipa_wlan_msg *msg; |
| 3969 | int ret; |
| 3970 | |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3971 | if (wlan_hdd_validate_context(hdd_ctx)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3972 | return -EINVAL; |
| 3973 | |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3974 | if (!hdd_ipa_uc_sta_is_enabled(hdd_ctx)) |
| 3975 | return -EINVAL; |
| 3976 | |
| 3977 | if (!hdd_ctx->mcc_mode) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3978 | /* Flush TxRx queue for each adapter before switch to SCC */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3979 | status = hdd_get_front_adapter(hdd_ctx, &adapter_node); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 3980 | while (NULL != adapter_node && QDF_STATUS_SUCCESS == status) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3981 | pAdapter = adapter_node->pAdapter; |
Krunal Soni | be766b0 | 2016-03-10 13:00:44 -0800 | [diff] [blame] | 3982 | if (pAdapter->device_mode == QDF_STA_MODE || |
Jeff Johnson | ab2cd40 | 2016-12-05 13:54:28 -0800 | [diff] [blame^] | 3983 | pAdapter->device_mode == QDF_SAP_MODE) { |
| 3984 | hdd_info("MCC->SCC: Flush TxRx queue(d_mode=%d)", |
| 3985 | pAdapter->device_mode); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3986 | hdd_deinit_tx_rx(pAdapter); |
| 3987 | } |
| 3988 | status = hdd_get_next_adapter( |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 3989 | hdd_ctx, adapter_node, &next); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3990 | adapter_node = next; |
| 3991 | } |
| 3992 | } |
| 3993 | |
| 3994 | /* Send SCC/MCC Switching event to IPA */ |
| 3995 | meta.msg_len = sizeof(*msg); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 3996 | msg = qdf_mem_malloc(meta.msg_len); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3997 | if (msg == NULL) { |
Jeff Johnson | ab2cd40 | 2016-12-05 13:54:28 -0800 | [diff] [blame^] | 3998 | hdd_err("msg allocation failed"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3999 | return -ENOMEM; |
| 4000 | } |
| 4001 | |
| 4002 | meta.msg_type = mcc_mode ? |
| 4003 | WLAN_SWITCH_TO_MCC : WLAN_SWITCH_TO_SCC; |
Jeff Johnson | ab2cd40 | 2016-12-05 13:54:28 -0800 | [diff] [blame^] | 4004 | hdd_info("ipa_send_msg(Evt:%d)", meta.msg_type); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4005 | |
| 4006 | ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| 4007 | |
| 4008 | if (ret) { |
Jeff Johnson | ab2cd40 | 2016-12-05 13:54:28 -0800 | [diff] [blame^] | 4009 | hdd_err("ipa_send_msg(Evt:%d) - fail=%d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4010 | meta.msg_type, ret); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4011 | qdf_mem_free(msg); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4012 | } |
| 4013 | |
| 4014 | return ret; |
| 4015 | } |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4016 | |
| 4017 | /** |
| 4018 | * hdd_ipa_send_mcc_scc_msg() - SSR wrapper for __hdd_ipa_send_mcc_scc_msg |
| 4019 | * @mcc_mode: 0=MCC/1=SCC |
| 4020 | * |
| 4021 | * Return: 0 on success, negative errno value on error |
| 4022 | */ |
| 4023 | int hdd_ipa_send_mcc_scc_msg(hdd_context_t *hdd_ctx, bool mcc_mode) |
| 4024 | { |
| 4025 | int ret; |
| 4026 | |
| 4027 | cds_ssr_protect(__func__); |
| 4028 | ret = __hdd_ipa_send_mcc_scc_msg(hdd_ctx, mcc_mode); |
| 4029 | cds_ssr_unprotect(__func__); |
| 4030 | |
| 4031 | return ret; |
| 4032 | } |
Yun Park | a27049a | 2016-10-11 12:30:49 -0700 | [diff] [blame] | 4033 | #endif |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4034 | |
| 4035 | /** |
| 4036 | * hdd_ipa_wlan_event_to_str() - convert IPA WLAN event to string |
| 4037 | * @event: IPA WLAN event to be converted to a string |
| 4038 | * |
| 4039 | * Return: ASCII string representing the IPA WLAN event |
| 4040 | */ |
| 4041 | static inline char *hdd_ipa_wlan_event_to_str(enum ipa_wlan_event event) |
| 4042 | { |
| 4043 | switch (event) { |
| 4044 | case WLAN_CLIENT_CONNECT: |
| 4045 | return "WLAN_CLIENT_CONNECT"; |
| 4046 | case WLAN_CLIENT_DISCONNECT: |
| 4047 | return "WLAN_CLIENT_DISCONNECT"; |
| 4048 | case WLAN_CLIENT_POWER_SAVE_MODE: |
| 4049 | return "WLAN_CLIENT_POWER_SAVE_MODE"; |
| 4050 | case WLAN_CLIENT_NORMAL_MODE: |
| 4051 | return "WLAN_CLIENT_NORMAL_MODE"; |
| 4052 | case SW_ROUTING_ENABLE: |
| 4053 | return "SW_ROUTING_ENABLE"; |
| 4054 | case SW_ROUTING_DISABLE: |
| 4055 | return "SW_ROUTING_DISABLE"; |
| 4056 | case WLAN_AP_CONNECT: |
| 4057 | return "WLAN_AP_CONNECT"; |
| 4058 | case WLAN_AP_DISCONNECT: |
| 4059 | return "WLAN_AP_DISCONNECT"; |
| 4060 | case WLAN_STA_CONNECT: |
| 4061 | return "WLAN_STA_CONNECT"; |
| 4062 | case WLAN_STA_DISCONNECT: |
| 4063 | return "WLAN_STA_DISCONNECT"; |
| 4064 | case WLAN_CLIENT_CONNECT_EX: |
| 4065 | return "WLAN_CLIENT_CONNECT_EX"; |
| 4066 | |
| 4067 | case IPA_WLAN_EVENT_MAX: |
| 4068 | default: |
| 4069 | return "UNKNOWN"; |
| 4070 | } |
| 4071 | } |
| 4072 | |
| 4073 | /** |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 4074 | * hdd_to_ipa_wlan_event() - convert hdd_ipa_wlan_event to ipa_wlan_event |
| 4075 | * @hdd_ipa_event_type: HDD IPA WLAN event to be converted to an ipa_wlan_event |
| 4076 | * |
| 4077 | * Return: ipa_wlan_event representing the hdd_ipa_wlan_event |
| 4078 | */ |
| 4079 | static enum ipa_wlan_event |
| 4080 | hdd_to_ipa_wlan_event(enum hdd_ipa_wlan_event hdd_ipa_event_type) |
| 4081 | { |
| 4082 | enum ipa_wlan_event ipa_event; |
| 4083 | |
| 4084 | switch (hdd_ipa_event_type) { |
| 4085 | case HDD_IPA_CLIENT_CONNECT: |
| 4086 | ipa_event = WLAN_CLIENT_CONNECT; |
| 4087 | break; |
| 4088 | case HDD_IPA_CLIENT_DISCONNECT: |
| 4089 | ipa_event = WLAN_CLIENT_DISCONNECT; |
| 4090 | break; |
| 4091 | case HDD_IPA_AP_CONNECT: |
| 4092 | ipa_event = WLAN_AP_CONNECT; |
| 4093 | break; |
| 4094 | case HDD_IPA_AP_DISCONNECT: |
| 4095 | ipa_event = WLAN_AP_DISCONNECT; |
| 4096 | break; |
| 4097 | case HDD_IPA_STA_CONNECT: |
| 4098 | ipa_event = WLAN_STA_CONNECT; |
| 4099 | break; |
| 4100 | case HDD_IPA_STA_DISCONNECT: |
| 4101 | ipa_event = WLAN_STA_DISCONNECT; |
| 4102 | break; |
| 4103 | case HDD_IPA_CLIENT_CONNECT_EX: |
| 4104 | ipa_event = WLAN_CLIENT_CONNECT_EX; |
| 4105 | break; |
| 4106 | case HDD_IPA_WLAN_EVENT_MAX: |
| 4107 | default: |
| 4108 | ipa_event = IPA_WLAN_EVENT_MAX; |
| 4109 | break; |
| 4110 | } |
| 4111 | return ipa_event; |
| 4112 | |
| 4113 | } |
| 4114 | |
| 4115 | /** |
| 4116 | * __hdd_ipa_wlan_evt() - IPA event handler |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4117 | * @adapter: adapter upon which the event was received |
| 4118 | * @sta_id: station id for the event |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 4119 | * @type: event enum of type ipa_wlan_event |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4120 | * @mac_address: MAC address associated with the event |
| 4121 | * |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 4122 | * This function is meant to be called from within wlan_hdd_ipa.c |
| 4123 | * |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4124 | * Return: 0 on success, negative errno value on error |
| 4125 | */ |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 4126 | static int __hdd_ipa_wlan_evt(hdd_adapter_t *adapter, uint8_t sta_id, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4127 | enum ipa_wlan_event type, uint8_t *mac_addr) |
| 4128 | { |
| 4129 | struct hdd_ipa_priv *hdd_ipa = ghdd_ipa; |
| 4130 | struct ipa_msg_meta meta; |
| 4131 | struct ipa_wlan_msg *msg; |
| 4132 | struct ipa_wlan_msg_ex *msg_ex = NULL; |
| 4133 | int ret; |
| 4134 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4135 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: %s evt, MAC: %pM sta_id: %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4136 | adapter->dev->name, hdd_ipa_wlan_event_to_str(type), |
| 4137 | mac_addr, sta_id); |
| 4138 | |
| 4139 | if (type >= IPA_WLAN_EVENT_MAX) |
| 4140 | return -EINVAL; |
| 4141 | |
| 4142 | if (WARN_ON(is_zero_ether_addr(mac_addr))) |
| 4143 | return -EINVAL; |
| 4144 | |
| 4145 | if (!hdd_ipa || !hdd_ipa_is_enabled(hdd_ipa->hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4146 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "IPA OFFLOAD NOT ENABLED"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4147 | return -EINVAL; |
| 4148 | } |
| 4149 | |
| 4150 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx) && |
| 4151 | !hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
Krunal Soni | be766b0 | 2016-03-10 13:00:44 -0800 | [diff] [blame] | 4152 | (QDF_SAP_MODE != adapter->device_mode)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4153 | return 0; |
| 4154 | } |
| 4155 | |
| 4156 | /* |
| 4157 | * During IPA UC resource loading/unloading new events can be issued. |
| 4158 | * Store the events separately and handle them later. |
| 4159 | */ |
Prakash Dhavali | bf6d5d2 | 2016-08-17 10:17:46 -0700 | [diff] [blame] | 4160 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 4161 | if (hdd_ipa->resource_loading) { |
| 4162 | unsigned int pending_event_count; |
Prakash Dhavali | bf6d5d2 | 2016-08-17 10:17:46 -0700 | [diff] [blame] | 4163 | struct ipa_uc_pending_event *pending_event = NULL; |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4164 | |
Yun Park | 7c4f31b | 2016-11-30 10:09:21 -0800 | [diff] [blame] | 4165 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "IPA resource %s inprogress", |
| 4166 | hdd_ipa->resource_loading ? "load":"unload"); |
| 4167 | |
Prakash Dhavali | bf6d5d2 | 2016-08-17 10:17:46 -0700 | [diff] [blame] | 4168 | hdd_err("IPA resource %s inprogress", |
| 4169 | hdd_ipa->resource_loading ? "load":"unload"); |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4170 | |
Prakash Dhavali | bf6d5d2 | 2016-08-17 10:17:46 -0700 | [diff] [blame] | 4171 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4172 | |
Prakash Dhavali | bf6d5d2 | 2016-08-17 10:17:46 -0700 | [diff] [blame] | 4173 | pending_event_count = qdf_list_size(&hdd_ipa->pending_event); |
| 4174 | if (pending_event_count >= HDD_IPA_MAX_PENDING_EVENT_COUNT) { |
| 4175 | hdd_notice("Reached max pending event count"); |
| 4176 | qdf_list_remove_front(&hdd_ipa->pending_event, |
| 4177 | (qdf_list_node_t **)&pending_event); |
| 4178 | } else { |
| 4179 | pending_event = |
| 4180 | (struct ipa_uc_pending_event *)qdf_mem_malloc( |
| 4181 | sizeof(struct ipa_uc_pending_event)); |
| 4182 | } |
| 4183 | |
| 4184 | if (!pending_event) { |
Yun Park | 7c4f31b | 2016-11-30 10:09:21 -0800 | [diff] [blame] | 4185 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
| 4186 | "Pending event memory alloc fail"); |
Prakash Dhavali | bf6d5d2 | 2016-08-17 10:17:46 -0700 | [diff] [blame] | 4187 | qdf_mutex_release(&hdd_ipa->event_lock); |
| 4188 | return -ENOMEM; |
| 4189 | } |
| 4190 | |
| 4191 | pending_event->adapter = adapter; |
| 4192 | pending_event->sta_id = sta_id; |
| 4193 | pending_event->type = type; |
| 4194 | qdf_mem_copy(pending_event->mac_addr, |
| 4195 | mac_addr, |
| 4196 | QDF_MAC_ADDR_SIZE); |
| 4197 | qdf_list_insert_back(&hdd_ipa->pending_event, |
| 4198 | &pending_event->node); |
| 4199 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4200 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | bf6d5d2 | 2016-08-17 10:17:46 -0700 | [diff] [blame] | 4201 | return 0; |
| 4202 | } else if (hdd_ipa->resource_unloading) { |
| 4203 | hdd_err("%s: IPA resource unload inprogress", __func__); |
| 4204 | return 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4205 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4206 | } |
| 4207 | |
| 4208 | hdd_ipa->stats.event[type]++; |
| 4209 | |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 4210 | meta.msg_type = type; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4211 | switch (type) { |
| 4212 | case WLAN_STA_CONNECT: |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4213 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
| 4214 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4215 | /* STA already connected and without disconnect, connect again |
| 4216 | * This is Roaming scenario |
| 4217 | */ |
| 4218 | if (hdd_ipa->sta_connected) |
| 4219 | hdd_ipa_cleanup_iface(adapter->ipa_context); |
| 4220 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4221 | ret = hdd_ipa_setup_iface(hdd_ipa, adapter, sta_id); |
| 4222 | if (ret) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4223 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4224 | goto end; |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4225 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4226 | |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4227 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| 4228 | (hdd_ipa->sap_num_connected_sta > 0) && |
| 4229 | !hdd_ipa->sta_connected) { |
| 4230 | qdf_mutex_release(&hdd_ipa->event_lock); |
| 4231 | hdd_ipa_uc_offload_enable_disable(adapter, |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4232 | SIR_STA_RX_DATA_OFFLOAD, true); |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4233 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
| 4234 | } |
| 4235 | |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4236 | hdd_ipa->vdev_to_iface[adapter->sessionId] = |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4237 | ((struct hdd_ipa_iface_context *) |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4238 | (adapter->ipa_context))->iface_id; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4239 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4240 | hdd_ipa->sta_connected = 1; |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4241 | |
| 4242 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4243 | break; |
| 4244 | |
| 4245 | case WLAN_AP_CONNECT: |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4246 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
| 4247 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4248 | /* For DFS channel we get two start_bss event (before and after |
| 4249 | * CAC). Also when ACS range includes both DFS and non DFS |
| 4250 | * channels, we could possibly change channel many times due to |
| 4251 | * RADAR detection and chosen channel may not be a DFS channels. |
| 4252 | * So dont return error here. Just discard the event. |
| 4253 | */ |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4254 | if (adapter->ipa_context) { |
| 4255 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4256 | return 0; |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4257 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4258 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4259 | ret = hdd_ipa_setup_iface(hdd_ipa, adapter, sta_id); |
| 4260 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4261 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4262 | "%s: Evt: %d, Interface setup failed", |
Manjeet Singh | fd51d8f | 2016-11-09 15:58:26 +0530 | [diff] [blame] | 4263 | adapter->dev->name, type); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4264 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4265 | goto end; |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4266 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4267 | |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4268 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 4269 | qdf_mutex_release(&hdd_ipa->event_lock); |
| 4270 | hdd_ipa_uc_offload_enable_disable(adapter, |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4271 | SIR_AP_RX_DATA_OFFLOAD, true); |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4272 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
| 4273 | } |
| 4274 | |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4275 | hdd_ipa->vdev_to_iface[adapter->sessionId] = |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4276 | ((struct hdd_ipa_iface_context *) |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4277 | (adapter->ipa_context))->iface_id; |
| 4278 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4279 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4280 | break; |
| 4281 | |
| 4282 | case WLAN_STA_DISCONNECT: |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4283 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4284 | |
| 4285 | if (!hdd_ipa->sta_connected) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4286 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4287 | "%s: Evt: %d, STA already disconnected", |
Manjeet Singh | fd51d8f | 2016-11-09 15:58:26 +0530 | [diff] [blame] | 4288 | adapter->dev->name, type); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4289 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4290 | return -EINVAL; |
| 4291 | } |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4292 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4293 | hdd_ipa->sta_connected = 0; |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4294 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4295 | if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4296 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4297 | "%s: IPA UC OFFLOAD NOT ENABLED", |
| 4298 | msg_ex->name); |
| 4299 | } else { |
| 4300 | /* Disable IPA UC TX PIPE when STA disconnected */ |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4301 | if (!hdd_ipa->num_iface && |
| 4302 | (HDD_IPA_UC_NUM_WDI_PIPE == |
| 4303 | hdd_ipa->activated_fw_pipe)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4304 | hdd_ipa_uc_handle_last_discon(hdd_ipa); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4305 | } |
| 4306 | |
Yun Park | 74127cf | 2016-09-18 11:22:41 -0700 | [diff] [blame] | 4307 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| 4308 | (hdd_ipa->sap_num_connected_sta > 0)) { |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4309 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4310 | hdd_ipa_uc_offload_enable_disable(adapter, |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4311 | SIR_STA_RX_DATA_OFFLOAD, false); |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4312 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4313 | hdd_ipa->vdev_to_iface[adapter->sessionId] = |
| 4314 | CSR_ROAM_SESSION_MAX; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4315 | } |
| 4316 | |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4317 | hdd_ipa_cleanup_iface(adapter->ipa_context); |
| 4318 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4319 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4320 | break; |
| 4321 | |
| 4322 | case WLAN_AP_DISCONNECT: |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4323 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
| 4324 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4325 | if (!adapter->ipa_context) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4326 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4327 | "%s: Evt: %d, SAP already disconnected", |
Manjeet Singh | fd51d8f | 2016-11-09 15:58:26 +0530 | [diff] [blame] | 4328 | adapter->dev->name, type); |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4329 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4330 | return -EINVAL; |
| 4331 | } |
| 4332 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4333 | if ((!hdd_ipa->num_iface) && |
| 4334 | (HDD_IPA_UC_NUM_WDI_PIPE == |
| 4335 | hdd_ipa->activated_fw_pipe)) { |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 4336 | if (cds_is_driver_unloading()) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4337 | /* |
| 4338 | * We disable WDI pipes directly here since |
| 4339 | * IPA_OPCODE_TX/RX_SUSPEND message will not be |
| 4340 | * processed when unloading WLAN driver is in |
| 4341 | * progress |
| 4342 | */ |
| 4343 | hdd_ipa_uc_disable_pipes(hdd_ipa); |
| 4344 | } else { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4345 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4346 | "NO INTF left but still pipe clean up"); |
| 4347 | hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| 4348 | } |
| 4349 | } |
| 4350 | |
| 4351 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4352 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4353 | hdd_ipa_uc_offload_enable_disable(adapter, |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4354 | SIR_AP_RX_DATA_OFFLOAD, false); |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4355 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4356 | hdd_ipa->vdev_to_iface[adapter->sessionId] = |
| 4357 | CSR_ROAM_SESSION_MAX; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4358 | } |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4359 | |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4360 | hdd_ipa_cleanup_iface(adapter->ipa_context); |
| 4361 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4362 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4363 | break; |
| 4364 | |
| 4365 | case WLAN_CLIENT_CONNECT_EX: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4366 | if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4367 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4368 | "%s: Evt: %d, IPA UC OFFLOAD NOT ENABLED", |
Manjeet Singh | fd51d8f | 2016-11-09 15:58:26 +0530 | [diff] [blame] | 4369 | adapter->dev->name, type); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4370 | return 0; |
| 4371 | } |
| 4372 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4373 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4374 | if (hdd_ipa_uc_find_add_assoc_sta(hdd_ipa, |
| 4375 | true, sta_id)) { |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4376 | qdf_mutex_release(&hdd_ipa->event_lock); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4377 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4378 | "%s: STA ID %d found, not valid", |
| 4379 | adapter->dev->name, sta_id); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4380 | return 0; |
| 4381 | } |
Yun Park | 312f71a | 2015-12-08 10:22:42 -0800 | [diff] [blame] | 4382 | |
| 4383 | /* Enable IPA UC Data PIPEs when first STA connected */ |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4384 | if (0 == hdd_ipa->sap_num_connected_sta) { |
| 4385 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4386 | hdd_ipa->sta_connected) { |
| 4387 | qdf_mutex_release(&hdd_ipa->event_lock); |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4388 | hdd_ipa_uc_offload_enable_disable( |
| 4389 | hdd_get_adapter(hdd_ipa->hdd_ctx, |
| 4390 | QDF_STA_MODE), |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4391 | SIR_STA_RX_DATA_OFFLOAD, true); |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4392 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
| 4393 | } |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4394 | |
Yun Park | 312f71a | 2015-12-08 10:22:42 -0800 | [diff] [blame] | 4395 | ret = hdd_ipa_uc_handle_first_con(hdd_ipa); |
| 4396 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4397 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Yun Park | 312f71a | 2015-12-08 10:22:42 -0800 | [diff] [blame] | 4398 | "%s: handle 1st con ret %d", |
| 4399 | adapter->dev->name, ret); |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4400 | |
| 4401 | if (hdd_ipa_uc_sta_is_enabled( |
| 4402 | hdd_ipa->hdd_ctx) && |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4403 | hdd_ipa->sta_connected) { |
| 4404 | qdf_mutex_release(&hdd_ipa->event_lock); |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4405 | hdd_ipa_uc_offload_enable_disable( |
| 4406 | hdd_get_adapter( |
| 4407 | hdd_ipa->hdd_ctx, |
| 4408 | QDF_STA_MODE), |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4409 | SIR_STA_RX_DATA_OFFLOAD, false); |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4410 | } else { |
| 4411 | qdf_mutex_release(&hdd_ipa->event_lock); |
| 4412 | } |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4413 | |
Yun Park | 312f71a | 2015-12-08 10:22:42 -0800 | [diff] [blame] | 4414 | return ret; |
| 4415 | } |
| 4416 | } |
| 4417 | |
| 4418 | hdd_ipa->sap_num_connected_sta++; |
Yun Park | 312f71a | 2015-12-08 10:22:42 -0800 | [diff] [blame] | 4419 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4420 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4421 | |
| 4422 | meta.msg_type = type; |
| 4423 | meta.msg_len = (sizeof(struct ipa_wlan_msg_ex) + |
| 4424 | sizeof(struct ipa_wlan_hdr_attrib_val)); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4425 | msg_ex = qdf_mem_malloc(meta.msg_len); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4426 | |
| 4427 | if (msg_ex == NULL) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4428 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4429 | "msg_ex allocation failed"); |
| 4430 | return -ENOMEM; |
| 4431 | } |
| 4432 | strlcpy(msg_ex->name, adapter->dev->name, |
| 4433 | IPA_RESOURCE_NAME_MAX); |
| 4434 | msg_ex->num_of_attribs = 1; |
| 4435 | msg_ex->attribs[0].attrib_type = WLAN_HDR_ATTRIB_MAC_ADDR; |
| 4436 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 4437 | msg_ex->attribs[0].offset = |
| 4438 | HDD_IPA_UC_WLAN_HDR_DES_MAC_OFFSET; |
| 4439 | } else { |
| 4440 | msg_ex->attribs[0].offset = |
| 4441 | HDD_IPA_WLAN_HDR_DES_MAC_OFFSET; |
| 4442 | } |
| 4443 | memcpy(msg_ex->attribs[0].u.mac_addr, mac_addr, |
| 4444 | IPA_MAC_ADDR_SIZE); |
| 4445 | |
| 4446 | ret = ipa_send_msg(&meta, msg_ex, hdd_ipa_msg_free_fn); |
| 4447 | |
| 4448 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4449 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Evt: %d : %d", |
Manjeet Singh | fd51d8f | 2016-11-09 15:58:26 +0530 | [diff] [blame] | 4450 | adapter->dev->name, type, ret); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4451 | qdf_mem_free(msg_ex); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4452 | return ret; |
| 4453 | } |
| 4454 | hdd_ipa->stats.num_send_msg++; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4455 | return ret; |
| 4456 | |
| 4457 | case WLAN_CLIENT_DISCONNECT: |
| 4458 | if (!hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4459 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4460 | "%s: IPA UC OFFLOAD NOT ENABLED", |
| 4461 | msg_ex->name); |
| 4462 | return 0; |
| 4463 | } |
| 4464 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4465 | qdf_mutex_acquire(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4466 | if (!hdd_ipa_uc_find_add_assoc_sta(hdd_ipa, false, sta_id)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4467 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4468 | "%s: STA ID %d NOT found, not valid", |
| 4469 | msg_ex->name, sta_id); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4470 | qdf_mutex_release(&hdd_ipa->event_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4471 | return 0; |
| 4472 | } |
| 4473 | hdd_ipa->sap_num_connected_sta--; |
Yun Park | a37592b | 2016-06-11 17:10:28 -0700 | [diff] [blame] | 4474 | |
Yun Park | 9b5030f | 2016-11-08 12:02:37 -0800 | [diff] [blame] | 4475 | /* Disable IPA UC TX PIPE when last STA disconnected */ |
| 4476 | if (!hdd_ipa->sap_num_connected_sta) { |
| 4477 | if ((false == hdd_ipa->resource_unloading) |
| 4478 | && (HDD_IPA_UC_NUM_WDI_PIPE == |
| 4479 | hdd_ipa->activated_fw_pipe)) { |
| 4480 | hdd_ipa_uc_handle_last_discon(hdd_ipa); |
| 4481 | } |
| 4482 | |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4483 | qdf_mutex_release(&hdd_ipa->event_lock); |
Yun Park | 9b5030f | 2016-11-08 12:02:37 -0800 | [diff] [blame] | 4484 | |
| 4485 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx) && |
| 4486 | hdd_ipa->sta_connected) |
| 4487 | hdd_ipa_uc_offload_enable_disable( |
| 4488 | hdd_get_adapter(hdd_ipa->hdd_ctx, |
| 4489 | QDF_STA_MODE), |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4490 | SIR_STA_RX_DATA_OFFLOAD, false); |
Yun Park | 8f289c8 | 2016-10-18 16:38:21 -0700 | [diff] [blame] | 4491 | } else { |
| 4492 | qdf_mutex_release(&hdd_ipa->event_lock); |
| 4493 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4494 | break; |
| 4495 | |
| 4496 | default: |
| 4497 | return 0; |
| 4498 | } |
| 4499 | |
| 4500 | meta.msg_len = sizeof(struct ipa_wlan_msg); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4501 | msg = qdf_mem_malloc(meta.msg_len); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4502 | if (msg == NULL) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4503 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "msg allocation failed"); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4504 | return -ENOMEM; |
| 4505 | } |
| 4506 | |
| 4507 | meta.msg_type = type; |
| 4508 | strlcpy(msg->name, adapter->dev->name, IPA_RESOURCE_NAME_MAX); |
| 4509 | memcpy(msg->mac_addr, mac_addr, ETH_ALEN); |
| 4510 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4511 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Evt: %d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4512 | msg->name, meta.msg_type); |
| 4513 | |
| 4514 | ret = ipa_send_msg(&meta, msg, hdd_ipa_msg_free_fn); |
| 4515 | |
| 4516 | if (ret) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4517 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, "%s: Evt: %d fail:%d", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4518 | msg->name, meta.msg_type, ret); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4519 | qdf_mem_free(msg); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4520 | return ret; |
| 4521 | } |
| 4522 | |
| 4523 | hdd_ipa->stats.num_send_msg++; |
| 4524 | |
| 4525 | end: |
| 4526 | return ret; |
| 4527 | } |
| 4528 | |
| 4529 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4530 | * hdd_ipa_wlan_evt() - SSR wrapper for __hdd_ipa_wlan_evt |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 4531 | * @adapter: adapter upon which the event was received |
| 4532 | * @sta_id: station id for the event |
| 4533 | * @hdd_event_type: event enum of type hdd_ipa_wlan_event |
| 4534 | * @mac_address: MAC address associated with the event |
| 4535 | * |
| 4536 | * This function is meant to be called from outside of wlan_hdd_ipa.c. |
| 4537 | * |
| 4538 | * Return: 0 on success, negative errno value on error |
| 4539 | */ |
| 4540 | int hdd_ipa_wlan_evt(hdd_adapter_t *adapter, uint8_t sta_id, |
| 4541 | enum hdd_ipa_wlan_event hdd_event_type, uint8_t *mac_addr) |
| 4542 | { |
| 4543 | enum ipa_wlan_event type = hdd_to_ipa_wlan_event(hdd_event_type); |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4544 | int ret = 0; |
| 4545 | |
| 4546 | cds_ssr_protect(__func__); |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 4547 | |
Leo Chang | a202b52 | 2016-10-14 16:13:50 -0700 | [diff] [blame] | 4548 | /* Data path offload only support for STA and SAP mode */ |
| 4549 | if ((QDF_STA_MODE == adapter->device_mode) || |
| 4550 | (QDF_SAP_MODE == adapter->device_mode)) |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4551 | ret = __hdd_ipa_wlan_evt(adapter, sta_id, type, mac_addr); |
Leo Chang | a202b52 | 2016-10-14 16:13:50 -0700 | [diff] [blame] | 4552 | |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4553 | cds_ssr_unprotect(__func__); |
| 4554 | |
| 4555 | return ret; |
Mohit Khanna | fa99aea | 2016-05-12 21:43:13 -0700 | [diff] [blame] | 4556 | } |
| 4557 | |
| 4558 | /** |
| 4559 | * hdd_ipa_uc_proc_pending_event() - Process IPA uC pending events |
| 4560 | * @hdd_ipa: Global HDD IPA context |
| 4561 | * |
| 4562 | * Return: None |
| 4563 | */ |
| 4564 | static void |
| 4565 | hdd_ipa_uc_proc_pending_event(struct hdd_ipa_priv *hdd_ipa) |
| 4566 | { |
| 4567 | unsigned int pending_event_count; |
| 4568 | struct ipa_uc_pending_event *pending_event = NULL; |
| 4569 | |
| 4570 | pending_event_count = qdf_list_size(&hdd_ipa->pending_event); |
| 4571 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| 4572 | "%s, Pending Event Count %d", __func__, pending_event_count); |
| 4573 | if (!pending_event_count) { |
| 4574 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
| 4575 | "%s, No Pending Event", __func__); |
| 4576 | return; |
| 4577 | } |
| 4578 | |
| 4579 | qdf_list_remove_front(&hdd_ipa->pending_event, |
| 4580 | (qdf_list_node_t **)&pending_event); |
| 4581 | while (pending_event != NULL) { |
| 4582 | __hdd_ipa_wlan_evt(pending_event->adapter, |
| 4583 | pending_event->type, |
| 4584 | pending_event->sta_id, |
| 4585 | pending_event->mac_addr); |
| 4586 | qdf_mem_free(pending_event); |
| 4587 | pending_event = NULL; |
| 4588 | qdf_list_remove_front(&hdd_ipa->pending_event, |
| 4589 | (qdf_list_node_t **)&pending_event); |
| 4590 | } |
| 4591 | } |
| 4592 | |
| 4593 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4594 | * hdd_ipa_rm_state_to_str() - Convert IPA RM state to string |
| 4595 | * @state: IPA RM state value |
| 4596 | * |
| 4597 | * Return: ASCII string representing the IPA RM state |
| 4598 | */ |
| 4599 | static inline char *hdd_ipa_rm_state_to_str(enum hdd_ipa_rm_state state) |
| 4600 | { |
| 4601 | switch (state) { |
| 4602 | case HDD_IPA_RM_RELEASED: |
| 4603 | return "RELEASED"; |
| 4604 | case HDD_IPA_RM_GRANT_PENDING: |
| 4605 | return "GRANT_PENDING"; |
| 4606 | case HDD_IPA_RM_GRANTED: |
| 4607 | return "GRANTED"; |
| 4608 | } |
| 4609 | |
| 4610 | return "UNKNOWN"; |
| 4611 | } |
| 4612 | |
| 4613 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4614 | * __hdd_ipa_init() - IPA initialization function |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4615 | * @hdd_ctx: HDD global context |
| 4616 | * |
| 4617 | * Allocate hdd_ipa resources, ipa pipe resource and register |
| 4618 | * wlan interface with IPA module. |
| 4619 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4620 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4621 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4622 | static QDF_STATUS __hdd_ipa_init(hdd_context_t *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4623 | { |
| 4624 | struct hdd_ipa_priv *hdd_ipa = NULL; |
| 4625 | int ret, i; |
| 4626 | struct hdd_ipa_iface_context *iface_context = NULL; |
Yun Park | 7f171ab | 2016-07-29 15:44:22 -0700 | [diff] [blame] | 4627 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4628 | |
| 4629 | if (!hdd_ipa_is_enabled(hdd_ctx)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4630 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4631 | |
Yun Park | 7f171ab | 2016-07-29 15:44:22 -0700 | [diff] [blame] | 4632 | if (!pdev) { |
| 4633 | HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, "pdev is NULL"); |
| 4634 | goto fail_return; |
| 4635 | } |
| 4636 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4637 | hdd_ipa = qdf_mem_malloc(sizeof(*hdd_ipa)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4638 | if (!hdd_ipa) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4639 | HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, "hdd_ipa allocation failed"); |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 4640 | goto fail_return; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4641 | } |
| 4642 | |
| 4643 | hdd_ctx->hdd_ipa = hdd_ipa; |
| 4644 | ghdd_ipa = hdd_ipa; |
| 4645 | hdd_ipa->hdd_ctx = hdd_ctx; |
| 4646 | hdd_ipa->num_iface = 0; |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 4647 | cdp_ipa_get_resource(cds_get_context(QDF_MODULE_ID_SOC), |
| 4648 | cds_get_context(QDF_MODULE_ID_TXRX), |
| 4649 | &hdd_ipa->ipa_resource); |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 4650 | if ((0 == hdd_ipa->ipa_resource.ce_sr_base_paddr) || |
| 4651 | (0 == hdd_ipa->ipa_resource.tx_comp_ring_base_paddr) || |
| 4652 | (0 == hdd_ipa->ipa_resource.rx_rdy_ring_base_paddr) || |
| 4653 | (0 == hdd_ipa->ipa_resource.rx2_rdy_ring_base_paddr)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4654 | HDD_IPA_LOG(QDF_TRACE_LEVEL_FATAL, |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 4655 | "IPA UC resource alloc fail"); |
| 4656 | goto fail_get_resource; |
| 4657 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4658 | |
| 4659 | /* Create the interface context */ |
| 4660 | for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| 4661 | iface_context = &hdd_ipa->iface_context[i]; |
| 4662 | iface_context->hdd_ipa = hdd_ipa; |
| 4663 | iface_context->cons_client = |
| 4664 | hdd_ipa_adapter_2_client[i].cons_client; |
| 4665 | iface_context->prod_client = |
| 4666 | hdd_ipa_adapter_2_client[i].prod_client; |
| 4667 | iface_context->iface_id = i; |
| 4668 | iface_context->adapter = NULL; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4669 | qdf_spinlock_create(&iface_context->interface_lock); |
Yun Park | 9b5030f | 2016-11-08 12:02:37 -0800 | [diff] [blame] | 4670 | } |
| 4671 | for (i = 0; i < CSR_ROAM_SESSION_MAX; i++) { |
Prakash Dhavali | 89d406d | 2016-11-23 11:11:00 -0800 | [diff] [blame] | 4672 | hdd_ipa->vdev_to_iface[i] = CSR_ROAM_SESSION_MAX; |
| 4673 | hdd_ipa->vdev_offload_enabled[i] = false; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4674 | } |
| 4675 | |
Leo Chang | 69c3969 | 2016-10-12 20:11:12 -0700 | [diff] [blame] | 4676 | INIT_WORK(&hdd_ipa->pm_work, hdd_ipa_pm_flush); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4677 | qdf_spinlock_create(&hdd_ipa->pm_lock); |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 4678 | qdf_nbuf_queue_init(&hdd_ipa->pm_queue_head); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4679 | |
| 4680 | ret = hdd_ipa_setup_rm(hdd_ipa); |
| 4681 | if (ret) |
| 4682 | goto fail_setup_rm; |
| 4683 | |
| 4684 | if (hdd_ipa_uc_is_enabled(hdd_ipa->hdd_ctx)) { |
| 4685 | hdd_ipa_uc_rt_debug_init(hdd_ctx); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4686 | qdf_mem_zero(&hdd_ipa->stats, sizeof(hdd_ipa->stats)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4687 | hdd_ipa->sap_num_connected_sta = 0; |
| 4688 | hdd_ipa->ipa_tx_packets_diff = 0; |
| 4689 | hdd_ipa->ipa_rx_packets_diff = 0; |
| 4690 | hdd_ipa->ipa_p_tx_packets = 0; |
| 4691 | hdd_ipa->ipa_p_rx_packets = 0; |
| 4692 | hdd_ipa->resource_loading = false; |
| 4693 | hdd_ipa->resource_unloading = false; |
| 4694 | hdd_ipa->sta_connected = 0; |
Leo Chang | e3e4944 | 2015-10-26 20:07:13 -0700 | [diff] [blame] | 4695 | hdd_ipa->ipa_pipes_down = true; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4696 | /* Setup IPA sys_pipe for MCC */ |
| 4697 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) { |
| 4698 | ret = hdd_ipa_setup_sys_pipe(hdd_ipa); |
| 4699 | if (ret) |
| 4700 | goto fail_create_sys_pipe; |
| 4701 | } |
| 4702 | hdd_ipa_uc_ol_init(hdd_ctx); |
| 4703 | } else { |
| 4704 | ret = hdd_ipa_setup_sys_pipe(hdd_ipa); |
| 4705 | if (ret) |
| 4706 | goto fail_create_sys_pipe; |
| 4707 | } |
| 4708 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4709 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4710 | |
| 4711 | fail_create_sys_pipe: |
| 4712 | hdd_ipa_destroy_rm_resource(hdd_ipa); |
| 4713 | fail_setup_rm: |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4714 | qdf_spinlock_destroy(&hdd_ipa->pm_lock); |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 4715 | fail_get_resource: |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4716 | qdf_mem_free(hdd_ipa); |
Leo Chang | 3bc8fed | 2015-11-13 10:59:47 -0800 | [diff] [blame] | 4717 | hdd_ctx->hdd_ipa = NULL; |
| 4718 | ghdd_ipa = NULL; |
| 4719 | fail_return: |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4720 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4721 | } |
| 4722 | |
| 4723 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4724 | * hdd_ipa_init() - SSR wrapper for __hdd_ipa_init |
| 4725 | * @hdd_ctx: HDD global context |
| 4726 | * |
| 4727 | * Allocate hdd_ipa resources, ipa pipe resource and register |
| 4728 | * wlan interface with IPA module. |
| 4729 | * |
| 4730 | * Return: QDF_STATUS enumeration |
| 4731 | */ |
| 4732 | QDF_STATUS hdd_ipa_init(hdd_context_t *hdd_ctx) |
| 4733 | { |
| 4734 | QDF_STATUS ret; |
| 4735 | |
| 4736 | cds_ssr_protect(__func__); |
| 4737 | ret = __hdd_ipa_init(hdd_ctx); |
| 4738 | cds_ssr_unprotect(__func__); |
| 4739 | |
| 4740 | return ret; |
| 4741 | } |
| 4742 | |
| 4743 | /** |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4744 | * hdd_ipa_cleanup_pending_event() - Cleanup IPA pending event list |
| 4745 | * @hdd_ipa: pointer to HDD IPA struct |
| 4746 | * |
| 4747 | * Return: none |
| 4748 | */ |
Jeff Johnson | d772063 | 2016-10-05 16:04:32 -0700 | [diff] [blame] | 4749 | static void hdd_ipa_cleanup_pending_event(struct hdd_ipa_priv *hdd_ipa) |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4750 | { |
| 4751 | struct ipa_uc_pending_event *pending_event = NULL; |
| 4752 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 4753 | while (qdf_list_remove_front(&hdd_ipa->pending_event, |
| 4754 | (qdf_list_node_t **)&pending_event) == QDF_STATUS_SUCCESS) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4755 | qdf_mem_free(pending_event); |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4756 | } |
| 4757 | |
Anurag Chouhan | ffb2154 | 2016-02-17 14:33:03 +0530 | [diff] [blame] | 4758 | qdf_list_destroy(&hdd_ipa->pending_event); |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4759 | } |
| 4760 | |
| 4761 | /** |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4762 | * __hdd_ipa_cleanup - IPA cleanup function |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4763 | * @hdd_ctx: HDD global context |
| 4764 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4765 | * Return: QDF_STATUS enumeration |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4766 | */ |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4767 | static QDF_STATUS __hdd_ipa_cleanup(hdd_context_t *hdd_ctx) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4768 | { |
| 4769 | struct hdd_ipa_priv *hdd_ipa = hdd_ctx->hdd_ipa; |
| 4770 | int i; |
| 4771 | struct hdd_ipa_iface_context *iface_context = NULL; |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 4772 | qdf_nbuf_t skb; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4773 | struct hdd_ipa_pm_tx_cb *pm_tx_cb = NULL; |
| 4774 | |
| 4775 | if (!hdd_ipa_is_enabled(hdd_ctx)) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4776 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4777 | |
| 4778 | if (!hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| 4779 | unregister_inetaddr_notifier(&hdd_ipa->ipv4_notifier); |
| 4780 | hdd_ipa_teardown_sys_pipe(hdd_ipa); |
| 4781 | } |
| 4782 | |
| 4783 | /* Teardown IPA sys_pipe for MCC */ |
| 4784 | if (hdd_ipa_uc_sta_is_enabled(hdd_ipa->hdd_ctx)) |
| 4785 | hdd_ipa_teardown_sys_pipe(hdd_ipa); |
| 4786 | |
| 4787 | hdd_ipa_destroy_rm_resource(hdd_ipa); |
| 4788 | |
| 4789 | #ifdef WLAN_OPEN_SOURCE |
| 4790 | cancel_work_sync(&hdd_ipa->pm_work); |
| 4791 | #endif |
| 4792 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4793 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4794 | |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 4795 | while (((skb = qdf_nbuf_queue_remove(&hdd_ipa->pm_queue_head)) |
| 4796 | != NULL)) { |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4797 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4798 | |
| 4799 | pm_tx_cb = (struct hdd_ipa_pm_tx_cb *)skb->cb; |
| 4800 | ipa_free_skb(pm_tx_cb->ipa_tx_desc); |
| 4801 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4802 | qdf_spin_lock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4803 | } |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4804 | qdf_spin_unlock_bh(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4805 | |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4806 | qdf_spinlock_destroy(&hdd_ipa->pm_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4807 | |
| 4808 | /* destory the interface lock */ |
| 4809 | for (i = 0; i < HDD_IPA_MAX_IFACE; i++) { |
| 4810 | iface_context = &hdd_ipa->iface_context[i]; |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4811 | qdf_spinlock_destroy(&iface_context->interface_lock); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4812 | } |
| 4813 | |
| 4814 | /* This should never hit but still make sure that there are no pending |
| 4815 | * descriptor in IPA hardware |
| 4816 | */ |
| 4817 | if (hdd_ipa->pending_hw_desc_cnt != 0) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4818 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4819 | "IPA Pending write done: %d Waiting!", |
| 4820 | hdd_ipa->pending_hw_desc_cnt); |
| 4821 | |
| 4822 | for (i = 0; hdd_ipa->pending_hw_desc_cnt != 0 && i < 10; i++) { |
| 4823 | usleep_range(100, 100); |
| 4824 | } |
| 4825 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4826 | HDD_IPA_LOG(QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4827 | "IPA Pending write done: desc: %d %s(%d)!", |
| 4828 | hdd_ipa->pending_hw_desc_cnt, |
| 4829 | hdd_ipa->pending_hw_desc_cnt == 0 ? "completed" |
| 4830 | : "leak", i); |
| 4831 | } |
| 4832 | if (hdd_ipa_uc_is_enabled(hdd_ctx)) { |
| 4833 | hdd_ipa_uc_rt_debug_deinit(hdd_ctx); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4834 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Govind Singh | 0487bf2 | 2016-08-24 23:08:57 +0530 | [diff] [blame] | 4835 | "%s: Disconnect TX PIPE tx_pipe_handle=0x%x", |
| 4836 | __func__, hdd_ipa->tx_pipe_handle); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4837 | ipa_disconnect_wdi_pipe(hdd_ipa->tx_pipe_handle); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 4838 | HDD_IPA_LOG(QDF_TRACE_LEVEL_INFO, |
Govind Singh | 0487bf2 | 2016-08-24 23:08:57 +0530 | [diff] [blame] | 4839 | "%s: Disconnect RX PIPE rx_pipe_handle=0x%x", |
| 4840 | __func__, hdd_ipa->rx_pipe_handle); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4841 | ipa_disconnect_wdi_pipe(hdd_ipa->rx_pipe_handle); |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 4842 | qdf_mutex_destroy(&hdd_ipa->event_lock); |
| 4843 | qdf_mutex_destroy(&hdd_ipa->ipa_lock); |
Yun Park | f19e07d | 2015-11-20 11:34:27 -0800 | [diff] [blame] | 4844 | hdd_ipa_cleanup_pending_event(hdd_ipa); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4845 | |
| 4846 | #ifdef WLAN_OPEN_SOURCE |
| 4847 | for (i = 0; i < HDD_IPA_UC_OPCODE_MAX; i++) { |
| 4848 | cancel_work_sync(&hdd_ipa->uc_op_work[i].work); |
| 4849 | hdd_ipa->uc_op_work[i].msg = NULL; |
| 4850 | } |
| 4851 | #endif |
| 4852 | } |
| 4853 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 4854 | qdf_mem_free(hdd_ipa); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4855 | hdd_ctx->hdd_ipa = NULL; |
| 4856 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 4857 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4858 | } |
Prakash Dhavali | 412cdb0 | 2016-10-20 21:19:31 -0700 | [diff] [blame] | 4859 | |
| 4860 | /** |
| 4861 | * hdd_ipa_cleanup - SSR wrapper for __hdd_ipa_cleanup |
| 4862 | * @hdd_ctx: HDD global context |
| 4863 | * |
| 4864 | * Return: QDF_STATUS enumeration |
| 4865 | */ |
| 4866 | QDF_STATUS hdd_ipa_cleanup(hdd_context_t *hdd_ctx) |
| 4867 | { |
| 4868 | QDF_STATUS ret; |
| 4869 | |
| 4870 | cds_ssr_protect(__func__); |
| 4871 | ret = __hdd_ipa_cleanup(hdd_ctx); |
| 4872 | cds_ssr_unprotect(__func__); |
| 4873 | |
| 4874 | return ret; |
| 4875 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4876 | #endif /* IPA_OFFLOAD */ |