Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1 | /* |
Srinivas Girigowda | a987746 | 2019-02-20 11:20:38 -0800 | [diff] [blame] | 2 | * Copyright (c) 2011-2019 The Linux Foundation. All rights reserved. |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for |
| 5 | * any purpose with or without fee is hereby granted, provided that the |
| 6 | * above copyright notice and this permission notice appear in all |
| 7 | * copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 10 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 11 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 12 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 13 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 14 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 15 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 16 | * PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | |
| 19 | #include <qdf_atomic.h> /* qdf_atomic_inc, etc. */ |
| 20 | #include <qdf_lock.h> /* qdf_os_spinlock */ |
| 21 | #include <qdf_time.h> /* qdf_system_ticks, etc. */ |
| 22 | #include <qdf_nbuf.h> /* qdf_nbuf_t */ |
| 23 | #include <qdf_net_types.h> /* QDF_NBUF_TX_EXT_TID_INVALID */ |
| 24 | |
Ashish Kumar Dhanotiya | 94ffbd1 | 2019-08-08 18:00:59 +0530 | [diff] [blame] | 25 | #include "queue.h" /* TAILQ */ |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 26 | #ifdef QCA_COMPUTE_TX_DELAY |
| 27 | #include <enet.h> /* ethernet_hdr_t, etc. */ |
| 28 | #include <ipv6_defs.h> /* ipv6_traffic_class */ |
| 29 | #endif |
| 30 | |
| 31 | #include <ol_txrx_api.h> /* ol_txrx_vdev_handle, etc. */ |
| 32 | #include <ol_htt_tx_api.h> /* htt_tx_compl_desc_id */ |
| 33 | #include <ol_txrx_htt_api.h> /* htt_tx_status */ |
| 34 | |
| 35 | #include <ol_ctrl_txrx_api.h> |
| 36 | #include <cdp_txrx_tx_delay.h> |
| 37 | #include <ol_txrx_types.h> /* ol_txrx_vdev_t, etc */ |
| 38 | #include <ol_tx_desc.h> /* ol_tx_desc_find, ol_tx_desc_frame_free */ |
| 39 | #ifdef QCA_COMPUTE_TX_DELAY |
| 40 | #include <ol_tx_classify.h> /* ol_tx_dest_addr_find */ |
| 41 | #endif |
| 42 | #include <ol_txrx_internal.h> /* OL_TX_DESC_NO_REFS, etc. */ |
| 43 | #include <ol_osif_txrx_api.h> |
| 44 | #include <ol_tx.h> /* ol_tx_reinject */ |
| 45 | #include <ol_tx_send.h> |
| 46 | |
| 47 | #include <ol_cfg.h> /* ol_cfg_is_high_latency */ |
| 48 | #include <ol_tx_sched.h> |
| 49 | #ifdef QCA_SUPPORT_SW_TXRX_ENCAP |
| 50 | #include <ol_txrx_encap.h> /* OL_TX_RESTORE_HDR, etc */ |
| 51 | #endif |
| 52 | #include <ol_tx_queue.h> |
| 53 | #include <ol_txrx.h> |
| 54 | #include <pktlog_ac_fmt.h> |
| 55 | #include <cdp_txrx_handle.h> |
Jeff Johnson | 8feaa63 | 2018-12-07 11:56:02 -0800 | [diff] [blame] | 56 | #include <wlan_reg_services_api.h> |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 57 | #include "qdf_hrtimer.h" |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 58 | |
Nirav Shah | 2b3843e | 2019-10-24 15:10:46 +0530 | [diff] [blame] | 59 | /* High/Low tx resource count in percentage */ |
| 60 | /* Set default high threashold to 15% */ |
| 61 | #ifndef TX_RESOURCE_HIGH_TH_IN_PER |
| 62 | #define TX_RESOURCE_HIGH_TH_IN_PER 15 |
| 63 | #endif |
| 64 | |
| 65 | /* Set default low threshold to 5% */ |
| 66 | #ifndef TX_RESOURCE_LOW_TH_IN_PER |
| 67 | #define TX_RESOURCE_LOW_TH_IN_PER 5 |
| 68 | #endif |
| 69 | |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 70 | #ifdef QCA_HL_NETDEV_FLOW_CONTROL |
| 71 | static u16 ol_txrx_tx_desc_alloc_table[TXRX_FC_MAX] = { |
| 72 | [TXRX_FC_5GH_80M_2x2] = 2000, |
| 73 | [TXRX_FC_2GH_40M_2x2] = 800, |
| 74 | }; |
| 75 | #endif /* QCA_HL_NETDEV_FLOW_CONTROL */ |
| 76 | |
| 77 | /* tx filtering is handled within the target FW */ |
| 78 | #define TX_FILTER_CHECK(tx_msdu_info) 0 /* don't filter */ |
| 79 | |
| 80 | u_int16_t |
| 81 | ol_tx_desc_pool_size_hl(struct cdp_cfg *ctrl_pdev) |
| 82 | { |
| 83 | uint16_t desc_pool_size; |
| 84 | uint16_t steady_state_tx_lifetime_ms; |
| 85 | uint16_t safety_factor; |
| 86 | |
| 87 | /* |
| 88 | * Steady-state tx latency: |
| 89 | * roughly 1-2 ms flight time |
| 90 | * + roughly 1-2 ms prep time, |
| 91 | * + roughly 1-2 ms target->host notification time. |
| 92 | * = roughly 6 ms total |
| 93 | * Thus, steady state number of frames = |
| 94 | * steady state max throughput / frame size * tx latency, e.g. |
| 95 | * 1 Gbps / 1500 bytes * 6 ms = 500 |
| 96 | * |
| 97 | */ |
| 98 | steady_state_tx_lifetime_ms = 6; |
| 99 | |
| 100 | safety_factor = 8; |
| 101 | |
| 102 | desc_pool_size = |
| 103 | ol_cfg_max_thruput_mbps(ctrl_pdev) * |
| 104 | 1000 /* 1e6 bps/mbps / 1e3 ms per sec = 1000 */ / |
| 105 | (8 * OL_TX_AVG_FRM_BYTES) * |
| 106 | steady_state_tx_lifetime_ms * |
| 107 | safety_factor; |
| 108 | |
| 109 | /* minimum */ |
| 110 | if (desc_pool_size < OL_TX_DESC_POOL_SIZE_MIN_HL) |
| 111 | desc_pool_size = OL_TX_DESC_POOL_SIZE_MIN_HL; |
| 112 | |
| 113 | /* maximum */ |
| 114 | if (desc_pool_size > OL_TX_DESC_POOL_SIZE_MAX_HL) |
| 115 | desc_pool_size = OL_TX_DESC_POOL_SIZE_MAX_HL; |
| 116 | |
| 117 | return desc_pool_size; |
| 118 | } |
| 119 | |
| 120 | #ifdef CONFIG_TX_DESC_HI_PRIO_RESERVE |
| 121 | |
| 122 | /** |
| 123 | * ol_tx_hl_desc_alloc() - Allocate and initialize a tx descriptor |
| 124 | * for a HL system. |
| 125 | * @pdev: the data physical device sending the data |
| 126 | * @vdev: the virtual device sending the data |
| 127 | * @msdu: the tx frame |
| 128 | * @msdu_info: the tx meta data |
| 129 | * |
| 130 | * Return: the tx decriptor |
| 131 | */ |
| 132 | static inline |
| 133 | struct ol_tx_desc_t *ol_tx_hl_desc_alloc(struct ol_txrx_pdev_t *pdev, |
| 134 | struct ol_txrx_vdev_t *vdev, |
| 135 | qdf_nbuf_t msdu, |
| 136 | struct ol_txrx_msdu_info_t *msdu_info) |
| 137 | { |
| 138 | struct ol_tx_desc_t *tx_desc = NULL; |
| 139 | |
| 140 | if (qdf_atomic_read(&pdev->tx_queue.rsrc_cnt) > |
| 141 | TXRX_HL_TX_DESC_HI_PRIO_RESERVED) { |
| 142 | tx_desc = ol_tx_desc_hl(pdev, vdev, msdu, msdu_info); |
| 143 | } else if (qdf_nbuf_is_ipv4_pkt(msdu) == true) { |
| 144 | if ((QDF_NBUF_CB_GET_PACKET_TYPE(msdu) == |
| 145 | QDF_NBUF_CB_PACKET_TYPE_DHCP) || |
| 146 | (QDF_NBUF_CB_GET_PACKET_TYPE(msdu) == |
| 147 | QDF_NBUF_CB_PACKET_TYPE_EAPOL)) { |
| 148 | tx_desc = ol_tx_desc_hl(pdev, vdev, msdu, msdu_info); |
| 149 | ol_txrx_info("Got tx desc from resv pool\n"); |
| 150 | } |
| 151 | } |
| 152 | return tx_desc; |
| 153 | } |
| 154 | |
| 155 | #elif defined(QCA_HL_NETDEV_FLOW_CONTROL) |
| 156 | bool ol_tx_desc_is_high_prio(qdf_nbuf_t msdu) |
| 157 | { |
| 158 | enum qdf_proto_subtype proto_subtype; |
| 159 | bool high_prio = false; |
| 160 | |
| 161 | if (qdf_nbuf_is_ipv4_pkt(msdu) == true) { |
| 162 | if ((QDF_NBUF_CB_GET_PACKET_TYPE(msdu) == |
| 163 | QDF_NBUF_CB_PACKET_TYPE_DHCP) || |
| 164 | (QDF_NBUF_CB_GET_PACKET_TYPE(msdu) == |
| 165 | QDF_NBUF_CB_PACKET_TYPE_EAPOL)) |
| 166 | high_prio = true; |
| 167 | } else if (QDF_NBUF_CB_GET_PACKET_TYPE(msdu) == |
| 168 | QDF_NBUF_CB_PACKET_TYPE_ARP) { |
| 169 | high_prio = true; |
| 170 | } else if ((QDF_NBUF_CB_GET_PACKET_TYPE(msdu) == |
| 171 | QDF_NBUF_CB_PACKET_TYPE_ICMPv6)) { |
| 172 | proto_subtype = qdf_nbuf_get_icmpv6_subtype(msdu); |
| 173 | switch (proto_subtype) { |
| 174 | case QDF_PROTO_ICMPV6_NA: |
| 175 | case QDF_PROTO_ICMPV6_NS: |
| 176 | high_prio = true; |
| 177 | default: |
| 178 | high_prio = false; |
| 179 | } |
| 180 | } |
| 181 | return high_prio; |
| 182 | } |
| 183 | |
| 184 | static inline |
| 185 | struct ol_tx_desc_t *ol_tx_hl_desc_alloc(struct ol_txrx_pdev_t *pdev, |
| 186 | struct ol_txrx_vdev_t *vdev, |
| 187 | qdf_nbuf_t msdu, |
| 188 | struct ol_txrx_msdu_info_t *msdu_info) |
| 189 | { |
| 190 | struct ol_tx_desc_t *tx_desc = |
| 191 | ol_tx_desc_hl(pdev, vdev, msdu, msdu_info); |
| 192 | |
| 193 | if (!tx_desc) |
| 194 | return NULL; |
| 195 | |
| 196 | qdf_spin_lock_bh(&pdev->tx_mutex); |
| 197 | /* return if TX flow control disabled */ |
| 198 | if (vdev->tx_desc_limit == 0) { |
| 199 | qdf_spin_unlock_bh(&pdev->tx_mutex); |
| 200 | return tx_desc; |
| 201 | } |
| 202 | |
| 203 | if (!qdf_atomic_read(&vdev->os_q_paused) && |
| 204 | (qdf_atomic_read(&vdev->tx_desc_count) >= vdev->queue_stop_th)) { |
| 205 | /* |
| 206 | * Pause normal priority |
| 207 | * netdev queues if tx desc limit crosses |
| 208 | */ |
| 209 | pdev->pause_cb(vdev->vdev_id, |
| 210 | WLAN_STOP_NON_PRIORITY_QUEUE, |
| 211 | WLAN_DATA_FLOW_CONTROL); |
| 212 | qdf_atomic_set(&vdev->os_q_paused, 1); |
| 213 | } else if (ol_tx_desc_is_high_prio(msdu) && !vdev->prio_q_paused && |
| 214 | (qdf_atomic_read(&vdev->tx_desc_count) |
| 215 | == vdev->tx_desc_limit)) { |
| 216 | /* Pause high priority queue */ |
| 217 | pdev->pause_cb(vdev->vdev_id, |
| 218 | WLAN_NETIF_PRIORITY_QUEUE_OFF, |
| 219 | WLAN_DATA_FLOW_CONTROL_PRIORITY); |
| 220 | vdev->prio_q_paused = 1; |
| 221 | } |
| 222 | qdf_spin_unlock_bh(&pdev->tx_mutex); |
| 223 | |
| 224 | return tx_desc; |
| 225 | } |
| 226 | |
| 227 | #else |
| 228 | |
| 229 | static inline |
| 230 | struct ol_tx_desc_t *ol_tx_hl_desc_alloc(struct ol_txrx_pdev_t *pdev, |
| 231 | struct ol_txrx_vdev_t *vdev, |
| 232 | qdf_nbuf_t msdu, |
| 233 | struct ol_txrx_msdu_info_t *msdu_info) |
| 234 | { |
| 235 | struct ol_tx_desc_t *tx_desc = NULL; |
| 236 | |
| 237 | tx_desc = ol_tx_desc_hl(pdev, vdev, msdu, msdu_info); |
| 238 | return tx_desc; |
| 239 | } |
| 240 | #endif |
| 241 | |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 242 | static inline uint16_t |
| 243 | ol_txrx_rsrc_threshold_lo(int desc_pool_size) |
| 244 | { |
| 245 | int threshold_low; |
| 246 | |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 247 | /* always maintain a 5% margin of unallocated descriptors */ |
Nirav Shah | 2b3843e | 2019-10-24 15:10:46 +0530 | [diff] [blame] | 248 | threshold_low = ((TX_RESOURCE_LOW_TH_IN_PER) * |
| 249 | desc_pool_size) / 100; |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 250 | |
| 251 | return threshold_low; |
| 252 | } |
| 253 | |
| 254 | static inline uint16_t |
| 255 | ol_txrx_rsrc_threshold_hi(int desc_pool_size) |
| 256 | { |
| 257 | int threshold_high; |
| 258 | /* when freeing up descriptors, keep going until |
| 259 | * there's a 15% margin |
| 260 | */ |
Nirav Shah | 2b3843e | 2019-10-24 15:10:46 +0530 | [diff] [blame] | 261 | threshold_high = ((TX_RESOURCE_HIGH_TH_IN_PER) * |
| 262 | desc_pool_size) / 100; |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 263 | |
| 264 | return threshold_high; |
| 265 | } |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 266 | |
| 267 | void ol_tx_init_pdev(ol_txrx_pdev_handle pdev) |
| 268 | { |
| 269 | uint16_t desc_pool_size, i; |
| 270 | |
| 271 | desc_pool_size = ol_tx_desc_pool_size_hl(pdev->ctrl_pdev); |
| 272 | |
| 273 | qdf_atomic_init(&pdev->tx_queue.rsrc_cnt); |
| 274 | qdf_atomic_add(desc_pool_size, &pdev->tx_queue.rsrc_cnt); |
| 275 | |
| 276 | pdev->tx_queue.rsrc_threshold_lo = |
| 277 | ol_txrx_rsrc_threshold_lo(desc_pool_size); |
| 278 | pdev->tx_queue.rsrc_threshold_hi = |
| 279 | ol_txrx_rsrc_threshold_hi(desc_pool_size); |
| 280 | |
| 281 | for (i = 0 ; i < OL_TX_MAX_TXQ_GROUPS; i++) |
| 282 | qdf_atomic_init(&pdev->txq_grps[i].credit); |
| 283 | |
| 284 | ol_tx_target_credit_init(pdev, desc_pool_size); |
| 285 | } |
| 286 | |
| 287 | #ifdef QCA_SUPPORT_SW_TXRX_ENCAP |
| 288 | static inline int ol_tx_encap_wrapper(struct ol_txrx_pdev_t *pdev, |
| 289 | ol_txrx_vdev_handle vdev, |
| 290 | struct ol_tx_desc_t *tx_desc, |
| 291 | qdf_nbuf_t msdu, |
| 292 | struct ol_txrx_msdu_info_t *tx_msdu_info) |
| 293 | { |
| 294 | if (OL_TX_ENCAP(vdev, tx_desc, msdu, tx_msdu_info) != A_OK) { |
| 295 | qdf_atomic_inc(&pdev->tx_queue.rsrc_cnt); |
| 296 | ol_tx_desc_frame_free_nonstd(pdev, tx_desc, 1); |
| 297 | if (tx_msdu_info->peer) { |
| 298 | /* remove the peer reference added above */ |
| 299 | ol_txrx_peer_release_ref(tx_msdu_info->peer, |
| 300 | PEER_DEBUG_ID_OL_INTERNAL); |
| 301 | } |
| 302 | return -EINVAL; |
| 303 | } |
| 304 | |
| 305 | return 0; |
| 306 | } |
| 307 | #else |
| 308 | static inline int ol_tx_encap_wrapper(struct ol_txrx_pdev_t *pdev, |
| 309 | ol_txrx_vdev_handle vdev, |
| 310 | struct ol_tx_desc_t *tx_desc, |
| 311 | qdf_nbuf_t msdu, |
| 312 | struct ol_txrx_msdu_info_t *tx_msdu_info) |
| 313 | { |
| 314 | /* no-op */ |
| 315 | return 0; |
| 316 | } |
| 317 | #endif |
| 318 | |
| 319 | /** |
| 320 | * parse_ocb_tx_header() - Function to check for OCB |
| 321 | * @msdu: Pointer to OS packet (qdf_nbuf_t) |
| 322 | * @tx_ctrl: TX control header on a packet and extract it if present |
| 323 | * |
| 324 | * Return: true if ocb parsing is successful |
| 325 | */ |
Nirav Shah | 575282c | 2018-07-08 22:48:00 +0530 | [diff] [blame] | 326 | #ifdef WLAN_FEATURE_DSRC |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 327 | #define OCB_HEADER_VERSION 1 |
| 328 | static bool parse_ocb_tx_header(qdf_nbuf_t msdu, |
| 329 | struct ocb_tx_ctrl_hdr_t *tx_ctrl) |
| 330 | { |
Srinivas Girigowda | a987746 | 2019-02-20 11:20:38 -0800 | [diff] [blame] | 331 | qdf_ether_header_t *eth_hdr_p; |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 332 | struct ocb_tx_ctrl_hdr_t *tx_ctrl_hdr; |
| 333 | |
| 334 | /* Check if TX control header is present */ |
Srinivas Girigowda | a987746 | 2019-02-20 11:20:38 -0800 | [diff] [blame] | 335 | eth_hdr_p = (qdf_ether_header_t *)qdf_nbuf_data(msdu); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 336 | if (eth_hdr_p->ether_type != QDF_SWAP_U16(ETHERTYPE_OCB_TX)) |
| 337 | /* TX control header is not present. Nothing to do.. */ |
| 338 | return true; |
| 339 | |
| 340 | /* Remove the ethernet header */ |
Srinivas Girigowda | a987746 | 2019-02-20 11:20:38 -0800 | [diff] [blame] | 341 | qdf_nbuf_pull_head(msdu, sizeof(qdf_ether_header_t)); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 342 | |
| 343 | /* Parse the TX control header */ |
| 344 | tx_ctrl_hdr = (struct ocb_tx_ctrl_hdr_t *)qdf_nbuf_data(msdu); |
| 345 | |
| 346 | if (tx_ctrl_hdr->version == OCB_HEADER_VERSION) { |
| 347 | if (tx_ctrl) |
| 348 | qdf_mem_copy(tx_ctrl, tx_ctrl_hdr, |
| 349 | sizeof(*tx_ctrl_hdr)); |
| 350 | } else { |
| 351 | /* The TX control header is invalid. */ |
| 352 | return false; |
| 353 | } |
| 354 | |
| 355 | /* Remove the TX control header */ |
| 356 | qdf_nbuf_pull_head(msdu, tx_ctrl_hdr->length); |
| 357 | return true; |
| 358 | } |
Nirav Shah | 575282c | 2018-07-08 22:48:00 +0530 | [diff] [blame] | 359 | #else |
| 360 | static bool parse_ocb_tx_header(qdf_nbuf_t msdu, |
| 361 | struct ocb_tx_ctrl_hdr_t *tx_ctrl) |
| 362 | { |
| 363 | return true; |
| 364 | } |
| 365 | #endif |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 366 | |
| 367 | /** |
| 368 | * ol_txrx_mgmt_tx_desc_alloc() - Allocate and initialize a tx descriptor |
| 369 | * for management frame |
| 370 | * @pdev: the data physical device sending the data |
| 371 | * @vdev: the virtual device sending the data |
| 372 | * @tx_mgmt_frm: the tx management frame |
| 373 | * @tx_msdu_info: the tx meta data |
| 374 | * |
| 375 | * Return: the tx decriptor |
| 376 | */ |
| 377 | struct ol_tx_desc_t * |
| 378 | ol_txrx_mgmt_tx_desc_alloc( |
| 379 | struct ol_txrx_pdev_t *pdev, |
| 380 | struct ol_txrx_vdev_t *vdev, |
| 381 | qdf_nbuf_t tx_mgmt_frm, |
| 382 | struct ol_txrx_msdu_info_t *tx_msdu_info) |
| 383 | { |
| 384 | struct ol_tx_desc_t *tx_desc; |
| 385 | |
| 386 | tx_msdu_info->htt.action.tx_comp_req = 1; |
| 387 | tx_desc = ol_tx_desc_hl(pdev, vdev, tx_mgmt_frm, tx_msdu_info); |
| 388 | return tx_desc; |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * ol_txrx_mgmt_send_frame() - send a management frame |
| 393 | * @vdev: virtual device sending the frame |
| 394 | * @tx_desc: tx desc |
| 395 | * @tx_mgmt_frm: management frame to send |
| 396 | * @tx_msdu_info: the tx meta data |
| 397 | * @chanfreq: download change frequency |
| 398 | * |
| 399 | * Return: |
| 400 | * 0 -> the frame is accepted for transmission, -OR- |
| 401 | * 1 -> the frame was not accepted |
| 402 | */ |
| 403 | int ol_txrx_mgmt_send_frame( |
| 404 | struct ol_txrx_vdev_t *vdev, |
| 405 | struct ol_tx_desc_t *tx_desc, |
| 406 | qdf_nbuf_t tx_mgmt_frm, |
| 407 | struct ol_txrx_msdu_info_t *tx_msdu_info, |
| 408 | uint16_t chanfreq) |
| 409 | { |
| 410 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
| 411 | struct ol_tx_frms_queue_t *txq; |
| 412 | int status = 1; |
| 413 | |
| 414 | /* |
| 415 | * 1. Look up the peer and queue the frame in the peer's mgmt queue. |
| 416 | * 2. Invoke the download scheduler. |
| 417 | */ |
| 418 | txq = ol_tx_classify_mgmt(vdev, tx_desc, tx_mgmt_frm, tx_msdu_info); |
| 419 | if (!txq) { |
| 420 | /* TXRX_STATS_MSDU_LIST_INCR(vdev->pdev, tx.dropped.no_txq, |
| 421 | * msdu); |
| 422 | */ |
| 423 | qdf_atomic_inc(&pdev->tx_queue.rsrc_cnt); |
| 424 | ol_tx_desc_frame_free_nonstd(vdev->pdev, tx_desc, |
| 425 | 1 /* error */); |
| 426 | goto out; /* can't accept the tx mgmt frame */ |
| 427 | } |
| 428 | /* Initialize the HTT tx desc l2 header offset field. |
| 429 | * Even though tx encap does not apply to mgmt frames, |
| 430 | * htt_tx_desc_mpdu_header still needs to be called, |
| 431 | * to specifiy that there was no L2 header added by tx encap, |
| 432 | * so the frame's length does not need to be adjusted to account for |
| 433 | * an added L2 header. |
| 434 | */ |
| 435 | htt_tx_desc_mpdu_header(tx_desc->htt_tx_desc, 0); |
| 436 | if (qdf_unlikely(htt_tx_desc_init( |
| 437 | pdev->htt_pdev, tx_desc->htt_tx_desc, |
| 438 | tx_desc->htt_tx_desc_paddr, |
| 439 | ol_tx_desc_id(pdev, tx_desc), |
| 440 | tx_mgmt_frm, |
| 441 | &tx_msdu_info->htt, &tx_msdu_info->tso_info, NULL, 0))) |
| 442 | goto out; |
| 443 | htt_tx_desc_display(tx_desc->htt_tx_desc); |
| 444 | htt_tx_desc_set_chanfreq(tx_desc->htt_tx_desc, chanfreq); |
| 445 | |
| 446 | ol_tx_enqueue(vdev->pdev, txq, tx_desc, tx_msdu_info); |
| 447 | ol_tx_sched(vdev->pdev); |
| 448 | status = 0; |
| 449 | out: |
| 450 | if (tx_msdu_info->peer) { |
| 451 | /* remove the peer reference added above */ |
| 452 | ol_txrx_peer_release_ref(tx_msdu_info->peer, |
| 453 | PEER_DEBUG_ID_OL_INTERNAL); |
| 454 | } |
| 455 | |
| 456 | return status; |
| 457 | } |
| 458 | |
| 459 | /** |
| 460 | * ol_tx_hl_base() - send tx frames for a HL system. |
| 461 | * @vdev: the virtual device sending the data |
| 462 | * @tx_spec: indicate what non-standard transmission actions to apply |
| 463 | * @msdu_list: the tx frames to send |
| 464 | * @tx_comp_req: tx completion req |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 465 | * @call_sched: will schedule the tx if true |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 466 | * |
| 467 | * Return: NULL if all MSDUs are accepted |
| 468 | */ |
| 469 | static inline qdf_nbuf_t |
| 470 | ol_tx_hl_base( |
| 471 | ol_txrx_vdev_handle vdev, |
| 472 | enum ol_tx_spec tx_spec, |
| 473 | qdf_nbuf_t msdu_list, |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 474 | int tx_comp_req, |
| 475 | bool call_sched) |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 476 | { |
| 477 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
| 478 | qdf_nbuf_t msdu = msdu_list; |
| 479 | struct ol_txrx_msdu_info_t tx_msdu_info; |
| 480 | struct ocb_tx_ctrl_hdr_t tx_ctrl; |
| 481 | htt_pdev_handle htt_pdev = pdev->htt_pdev; |
| 482 | |
| 483 | tx_msdu_info.tso_info.is_tso = 0; |
| 484 | |
| 485 | /* |
| 486 | * The msdu_list variable could be used instead of the msdu var, |
| 487 | * but just to clarify which operations are done on a single MSDU |
| 488 | * vs. a list of MSDUs, use a distinct variable for single MSDUs |
| 489 | * within the list. |
| 490 | */ |
| 491 | while (msdu) { |
| 492 | qdf_nbuf_t next; |
| 493 | struct ol_tx_frms_queue_t *txq; |
| 494 | struct ol_tx_desc_t *tx_desc = NULL; |
| 495 | |
| 496 | qdf_mem_zero(&tx_ctrl, sizeof(tx_ctrl)); |
| 497 | tx_msdu_info.peer = NULL; |
| 498 | /* |
| 499 | * The netbuf will get stored into a (peer-TID) tx queue list |
| 500 | * inside the ol_tx_classify_store function or else dropped, |
| 501 | * so store the next pointer immediately. |
| 502 | */ |
| 503 | next = qdf_nbuf_next(msdu); |
| 504 | |
| 505 | tx_desc = ol_tx_hl_desc_alloc(pdev, vdev, msdu, &tx_msdu_info); |
| 506 | |
| 507 | if (!tx_desc) { |
| 508 | /* |
| 509 | * If we're out of tx descs, there's no need to try |
| 510 | * to allocate tx descs for the remaining MSDUs. |
| 511 | */ |
| 512 | TXRX_STATS_MSDU_LIST_INCR(pdev, tx.dropped.host_reject, |
| 513 | msdu); |
| 514 | return msdu; /* the list of unaccepted MSDUs */ |
| 515 | } |
| 516 | |
| 517 | /* OL_TXRX_PROT_AN_LOG(pdev->prot_an_tx_sent, msdu);*/ |
| 518 | |
Nirav Shah | 38ccf5b | 2019-07-03 10:22:11 +0530 | [diff] [blame] | 519 | qdf_dp_trace_log_pkt(vdev->vdev_id, msdu, QDF_TX, |
| 520 | QDF_TRACE_DEFAULT_PDEV_ID); |
| 521 | DPTRACE(qdf_dp_trace_data_pkt(msdu, QDF_TRACE_DEFAULT_PDEV_ID, |
| 522 | QDF_DP_TRACE_TX_PACKET_RECORD, |
| 523 | tx_desc->id, QDF_TX)); |
| 524 | |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 525 | if (tx_spec != OL_TX_SPEC_STD) { |
| 526 | #if defined(FEATURE_WLAN_TDLS) |
| 527 | if (tx_spec & OL_TX_SPEC_NO_FREE) { |
| 528 | tx_desc->pkt_type = OL_TX_FRM_NO_FREE; |
| 529 | } else if (tx_spec & OL_TX_SPEC_TSO) { |
| 530 | #else |
| 531 | if (tx_spec & OL_TX_SPEC_TSO) { |
| 532 | #endif |
| 533 | tx_desc->pkt_type = OL_TX_FRM_TSO; |
| 534 | } |
| 535 | if (ol_txrx_tx_is_raw(tx_spec)) { |
| 536 | /* CHECK THIS: does this need |
| 537 | * to happen after htt_tx_desc_init? |
| 538 | */ |
| 539 | /* different types of raw frames */ |
| 540 | u_int8_t sub_type = |
| 541 | ol_txrx_tx_raw_subtype( |
| 542 | tx_spec); |
| 543 | htt_tx_desc_type(htt_pdev, |
| 544 | tx_desc->htt_tx_desc, |
| 545 | htt_pkt_type_raw, |
| 546 | sub_type); |
| 547 | } |
| 548 | } |
| 549 | |
| 550 | tx_msdu_info.htt.info.ext_tid = qdf_nbuf_get_tid(msdu); |
| 551 | tx_msdu_info.htt.info.vdev_id = vdev->vdev_id; |
| 552 | tx_msdu_info.htt.info.frame_type = htt_frm_type_data; |
| 553 | tx_msdu_info.htt.info.l2_hdr_type = pdev->htt_pkt_type; |
Nirav Shah | 7f37dbe | 2019-08-05 17:43:43 +0530 | [diff] [blame] | 554 | |
| 555 | if (QDF_NBUF_CB_TX_EXTRA_FRAG_FLAGS_NOTIFY_COMP(msdu) |
| 556 | == 1) { |
| 557 | tx_msdu_info.htt.action.tx_comp_req = 1; |
| 558 | tx_desc->pkt_type = OL_TX_FRM_NO_FREE; |
| 559 | } else { |
| 560 | tx_msdu_info.htt.action.tx_comp_req = |
| 561 | tx_comp_req; |
| 562 | } |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 563 | |
| 564 | /* If the vdev is in OCB mode, |
| 565 | * parse the tx control header. |
| 566 | */ |
| 567 | if (vdev->opmode == wlan_op_mode_ocb) { |
| 568 | if (!parse_ocb_tx_header(msdu, &tx_ctrl)) { |
| 569 | /* There was an error parsing |
| 570 | * the header.Skip this packet. |
| 571 | */ |
| 572 | goto MSDU_LOOP_BOTTOM; |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | txq = ol_tx_classify(vdev, tx_desc, msdu, |
| 577 | &tx_msdu_info); |
| 578 | |
Tiger Yu | f1551cb | 2018-10-26 13:11:12 +0800 | [diff] [blame] | 579 | /* initialize the HW tx descriptor */ |
| 580 | htt_tx_desc_init( |
| 581 | pdev->htt_pdev, tx_desc->htt_tx_desc, |
| 582 | tx_desc->htt_tx_desc_paddr, |
| 583 | ol_tx_desc_id(pdev, tx_desc), |
| 584 | msdu, |
| 585 | &tx_msdu_info.htt, |
| 586 | &tx_msdu_info.tso_info, |
| 587 | &tx_ctrl, |
| 588 | vdev->opmode == wlan_op_mode_ocb); |
| 589 | |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 590 | if ((!txq) || TX_FILTER_CHECK(&tx_msdu_info)) { |
| 591 | /* drop this frame, |
| 592 | * but try sending subsequent frames |
| 593 | */ |
| 594 | /* TXRX_STATS_MSDU_LIST_INCR(pdev, |
| 595 | * tx.dropped.no_txq, msdu); |
| 596 | */ |
| 597 | qdf_atomic_inc(&pdev->tx_queue.rsrc_cnt); |
| 598 | ol_tx_desc_frame_free_nonstd(pdev, tx_desc, 1); |
| 599 | if (tx_msdu_info.peer) { |
| 600 | /* remove the peer reference |
| 601 | * added above |
| 602 | */ |
| 603 | ol_txrx_peer_release_ref( |
| 604 | tx_msdu_info.peer, |
| 605 | PEER_DEBUG_ID_OL_INTERNAL); |
| 606 | } |
| 607 | goto MSDU_LOOP_BOTTOM; |
| 608 | } |
| 609 | |
| 610 | if (tx_msdu_info.peer) { |
| 611 | /* |
| 612 | * If the state is not associated then drop all |
| 613 | * the data packets received for that peer |
| 614 | */ |
| 615 | if (tx_msdu_info.peer->state == |
| 616 | OL_TXRX_PEER_STATE_DISC) { |
| 617 | qdf_atomic_inc( |
| 618 | &pdev->tx_queue.rsrc_cnt); |
| 619 | ol_tx_desc_frame_free_nonstd(pdev, |
| 620 | tx_desc, |
| 621 | 1); |
| 622 | ol_txrx_peer_release_ref( |
| 623 | tx_msdu_info.peer, |
| 624 | PEER_DEBUG_ID_OL_INTERNAL); |
| 625 | msdu = next; |
| 626 | continue; |
| 627 | } else if (tx_msdu_info.peer->state != |
| 628 | OL_TXRX_PEER_STATE_AUTH) { |
| 629 | if (tx_msdu_info.htt.info.ethertype != |
| 630 | ETHERTYPE_PAE && |
| 631 | tx_msdu_info.htt.info.ethertype |
| 632 | != ETHERTYPE_WAI) { |
| 633 | qdf_atomic_inc( |
| 634 | &pdev->tx_queue. |
| 635 | rsrc_cnt); |
| 636 | ol_tx_desc_frame_free_nonstd( |
| 637 | pdev, |
| 638 | tx_desc, 1); |
| 639 | ol_txrx_peer_release_ref( |
| 640 | tx_msdu_info.peer, |
| 641 | PEER_DEBUG_ID_OL_INTERNAL); |
| 642 | msdu = next; |
| 643 | continue; |
| 644 | } |
| 645 | } |
| 646 | } |
| 647 | /* |
| 648 | * Initialize the HTT tx desc l2 header offset field. |
| 649 | * htt_tx_desc_mpdu_header needs to be called to |
| 650 | * make sure, the l2 header size is initialized |
| 651 | * correctly to handle cases where TX ENCAP is disabled |
| 652 | * or Tx Encap fails to perform Encap |
| 653 | */ |
| 654 | htt_tx_desc_mpdu_header(tx_desc->htt_tx_desc, 0); |
| 655 | |
| 656 | /* |
| 657 | * Note: when the driver is built without support for |
| 658 | * SW tx encap,the following macro is a no-op. |
| 659 | * When the driver is built with support for SW tx |
| 660 | * encap, it performs encap, and if an error is |
| 661 | * encountered, jumps to the MSDU_LOOP_BOTTOM label. |
| 662 | */ |
| 663 | if (ol_tx_encap_wrapper(pdev, vdev, tx_desc, msdu, |
| 664 | &tx_msdu_info)) |
| 665 | goto MSDU_LOOP_BOTTOM; |
| 666 | |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 667 | /* |
| 668 | * If debug display is enabled, show the meta-data |
| 669 | * being downloaded to the target via the |
| 670 | * HTT tx descriptor. |
| 671 | */ |
| 672 | htt_tx_desc_display(tx_desc->htt_tx_desc); |
| 673 | |
| 674 | ol_tx_enqueue(pdev, txq, tx_desc, &tx_msdu_info); |
| 675 | if (tx_msdu_info.peer) { |
| 676 | OL_TX_PEER_STATS_UPDATE(tx_msdu_info.peer, |
| 677 | msdu); |
| 678 | /* remove the peer reference added above */ |
| 679 | ol_txrx_peer_release_ref |
| 680 | (tx_msdu_info.peer, |
| 681 | PEER_DEBUG_ID_OL_INTERNAL); |
| 682 | } |
| 683 | MSDU_LOOP_BOTTOM: |
| 684 | msdu = next; |
| 685 | } |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 686 | |
| 687 | if (call_sched) |
| 688 | ol_tx_sched(pdev); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 689 | return NULL; /* all MSDUs were accepted */ |
| 690 | } |
| 691 | |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 692 | #ifdef QCA_SUPPORT_TXRX_DRIVER_TCP_DEL_ACK |
| 693 | |
| 694 | /** |
| 695 | * ol_tx_pdev_reset_driver_del_ack() - reset driver delayed ack enabled flag |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 696 | * @soc_hdl: soc handle |
| 697 | * @pdev_id: datapath pdev identifier |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 698 | * |
| 699 | * Return: none |
| 700 | */ |
| 701 | void |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 702 | ol_tx_pdev_reset_driver_del_ack(struct cdp_soc_t *soc_hdl, uint8_t pdev_id) |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 703 | { |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 704 | struct ol_txrx_soc_t *soc = cdp_soc_t_to_ol_txrx_soc_t(soc_hdl); |
| 705 | ol_txrx_pdev_handle pdev = ol_txrx_get_pdev_from_pdev_id(soc, pdev_id); |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 706 | struct ol_txrx_vdev_t *vdev; |
| 707 | |
| 708 | if (!pdev) |
| 709 | return; |
| 710 | |
| 711 | TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) { |
| 712 | vdev->driver_del_ack_enabled = false; |
| 713 | |
| 714 | dp_debug("vdev_id %d driver_del_ack_enabled %d", |
| 715 | vdev->vdev_id, vdev->driver_del_ack_enabled); |
| 716 | } |
| 717 | } |
| 718 | |
| 719 | /** |
| 720 | * ol_tx_vdev_set_driver_del_ack_enable() - set driver delayed ack enabled flag |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 721 | * @soc_hdl: datapath soc handle |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 722 | * @vdev_id: vdev id |
| 723 | * @rx_packets: number of rx packets |
| 724 | * @time_in_ms: time in ms |
| 725 | * @high_th: high threshold |
| 726 | * @low_th: low threshold |
| 727 | * |
| 728 | * Return: none |
| 729 | */ |
| 730 | void |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 731 | ol_tx_vdev_set_driver_del_ack_enable(struct cdp_soc_t *soc_hdl, |
| 732 | uint8_t vdev_id, |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 733 | unsigned long rx_packets, |
| 734 | uint32_t time_in_ms, |
| 735 | uint32_t high_th, |
| 736 | uint32_t low_th) |
| 737 | { |
| 738 | struct ol_txrx_vdev_t *vdev = |
| 739 | (struct ol_txrx_vdev_t *) |
| 740 | ol_txrx_get_vdev_from_vdev_id(vdev_id); |
| 741 | bool old_driver_del_ack_enabled; |
| 742 | |
| 743 | if ((!vdev) || (low_th > high_th)) |
| 744 | return; |
| 745 | |
| 746 | old_driver_del_ack_enabled = vdev->driver_del_ack_enabled; |
| 747 | if (rx_packets > high_th) |
| 748 | vdev->driver_del_ack_enabled = true; |
| 749 | else if (rx_packets < low_th) |
| 750 | vdev->driver_del_ack_enabled = false; |
| 751 | |
| 752 | if (old_driver_del_ack_enabled != vdev->driver_del_ack_enabled) { |
| 753 | dp_debug("vdev_id %d driver_del_ack_enabled %d rx_packets %ld time_in_ms %d high_th %d low_th %d", |
| 754 | vdev->vdev_id, vdev->driver_del_ack_enabled, |
| 755 | rx_packets, time_in_ms, high_th, low_th); |
| 756 | } |
| 757 | } |
| 758 | |
| 759 | /** |
| 760 | * ol_tx_hl_send_all_tcp_ack() - send all queued tcp ack packets |
| 761 | * @vdev: vdev handle |
| 762 | * |
| 763 | * Return: none |
| 764 | */ |
| 765 | void ol_tx_hl_send_all_tcp_ack(struct ol_txrx_vdev_t *vdev) |
| 766 | { |
| 767 | int i; |
| 768 | struct tcp_stream_node *tcp_node_list; |
| 769 | struct tcp_stream_node *temp; |
Li Feng | 1b31168 | 2019-10-18 11:08:13 +0800 | [diff] [blame] | 770 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 771 | |
| 772 | for (i = 0; i < OL_TX_HL_DEL_ACK_HASH_SIZE; i++) { |
| 773 | tcp_node_list = NULL; |
| 774 | qdf_spin_lock_bh(&vdev->tcp_ack_hash.node[i].hash_node_lock); |
| 775 | if (vdev->tcp_ack_hash.node[i].no_of_entries) |
| 776 | tcp_node_list = vdev->tcp_ack_hash.node[i].head; |
| 777 | |
| 778 | vdev->tcp_ack_hash.node[i].no_of_entries = 0; |
| 779 | vdev->tcp_ack_hash.node[i].head = NULL; |
| 780 | qdf_spin_unlock_bh(&vdev->tcp_ack_hash.node[i].hash_node_lock); |
| 781 | |
| 782 | /* Send all packets */ |
| 783 | while (tcp_node_list) { |
Subrat Dash | c8259cd | 2019-09-04 16:28:19 +0530 | [diff] [blame] | 784 | int tx_comp_req = pdev->cfg.default_tx_comp_req || |
| 785 | pdev->cfg.request_tx_comp; |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 786 | qdf_nbuf_t msdu_list; |
| 787 | |
| 788 | temp = tcp_node_list; |
| 789 | tcp_node_list = temp->next; |
| 790 | |
| 791 | msdu_list = ol_tx_hl_base(vdev, OL_TX_SPEC_STD, |
| 792 | temp->head, |
| 793 | tx_comp_req, false); |
| 794 | if (msdu_list) |
| 795 | qdf_nbuf_tx_free(msdu_list, 1/*error*/); |
| 796 | ol_txrx_vdev_free_tcp_node(vdev, temp); |
| 797 | } |
| 798 | } |
| 799 | ol_tx_sched(vdev->pdev); |
| 800 | } |
| 801 | |
| 802 | /** |
| 803 | * tcp_del_ack_tasklet() - tasklet function to send ack packets |
| 804 | * @data: vdev handle |
| 805 | * |
| 806 | * Return: none |
| 807 | */ |
| 808 | void tcp_del_ack_tasklet(void *data) |
| 809 | { |
| 810 | struct ol_txrx_vdev_t *vdev = data; |
| 811 | |
| 812 | ol_tx_hl_send_all_tcp_ack(vdev); |
| 813 | } |
| 814 | |
| 815 | /** |
| 816 | * ol_tx_get_stream_id() - get stream_id from packet info |
| 817 | * @info: packet info |
| 818 | * |
| 819 | * Return: stream_id |
| 820 | */ |
| 821 | uint16_t ol_tx_get_stream_id(struct packet_info *info) |
| 822 | { |
| 823 | return ((info->dst_port + info->dst_ip + info->src_port + info->src_ip) |
| 824 | & (OL_TX_HL_DEL_ACK_HASH_SIZE - 1)); |
| 825 | } |
| 826 | |
| 827 | /** |
| 828 | * ol_tx_is_tcp_ack() - check whether the packet is tcp ack frame |
| 829 | * @msdu: packet |
| 830 | * |
| 831 | * Return: true if the packet is tcp ack frame |
| 832 | */ |
| 833 | static bool |
| 834 | ol_tx_is_tcp_ack(qdf_nbuf_t msdu) |
| 835 | { |
| 836 | uint16_t ether_type; |
| 837 | uint8_t protocol; |
| 838 | uint8_t flag, ip_header_len, tcp_header_len; |
| 839 | uint32_t seg_len; |
| 840 | uint8_t *skb_data; |
| 841 | uint32_t skb_len; |
| 842 | bool tcp_acked = false; |
| 843 | uint32_t tcp_header_off; |
| 844 | |
| 845 | qdf_nbuf_peek_header(msdu, &skb_data, &skb_len); |
| 846 | if (skb_len < (QDF_NBUF_TRAC_IPV4_OFFSET + |
| 847 | QDF_NBUF_TRAC_IPV4_HEADER_SIZE + |
| 848 | QDF_NBUF_TRAC_TCP_FLAGS_OFFSET)) |
| 849 | goto exit; |
| 850 | |
| 851 | ether_type = (uint16_t)(*(uint16_t *) |
| 852 | (skb_data + QDF_NBUF_TRAC_ETH_TYPE_OFFSET)); |
| 853 | protocol = (uint16_t)(*(uint16_t *) |
| 854 | (skb_data + QDF_NBUF_TRAC_IPV4_PROTO_TYPE_OFFSET)); |
| 855 | |
| 856 | if ((QDF_SWAP_U16(QDF_NBUF_TRAC_IPV4_ETH_TYPE) == ether_type) && |
| 857 | (protocol == QDF_NBUF_TRAC_TCP_TYPE)) { |
| 858 | ip_header_len = ((uint8_t)(*(uint8_t *) |
| 859 | (skb_data + QDF_NBUF_TRAC_IPV4_OFFSET)) & |
| 860 | QDF_NBUF_TRAC_IPV4_HEADER_MASK) << 2; |
| 861 | tcp_header_off = QDF_NBUF_TRAC_IPV4_OFFSET + ip_header_len; |
| 862 | |
| 863 | tcp_header_len = ((uint8_t)(*(uint8_t *) |
| 864 | (skb_data + tcp_header_off + |
| 865 | QDF_NBUF_TRAC_TCP_HEADER_LEN_OFFSET))) >> 2; |
| 866 | seg_len = skb_len - tcp_header_len - tcp_header_off; |
| 867 | flag = (uint8_t)(*(uint8_t *) |
| 868 | (skb_data + tcp_header_off + |
| 869 | QDF_NBUF_TRAC_TCP_FLAGS_OFFSET)); |
| 870 | |
| 871 | if ((flag == QDF_NBUF_TRAC_TCP_ACK_MASK) && (seg_len == 0)) |
| 872 | tcp_acked = true; |
| 873 | } |
| 874 | |
| 875 | exit: |
| 876 | |
| 877 | return tcp_acked; |
| 878 | } |
| 879 | |
| 880 | /** |
| 881 | * ol_tx_get_packet_info() - update packet info for passed msdu |
| 882 | * @msdu: packet |
| 883 | * @info: packet info |
| 884 | * |
| 885 | * Return: none |
| 886 | */ |
| 887 | void ol_tx_get_packet_info(qdf_nbuf_t msdu, struct packet_info *info) |
| 888 | { |
| 889 | uint16_t ether_type; |
| 890 | uint8_t protocol; |
| 891 | uint8_t flag, ip_header_len, tcp_header_len; |
| 892 | uint32_t seg_len; |
| 893 | uint8_t *skb_data; |
| 894 | uint32_t skb_len; |
| 895 | uint32_t tcp_header_off; |
| 896 | |
| 897 | info->type = NO_TCP_PKT; |
| 898 | |
| 899 | qdf_nbuf_peek_header(msdu, &skb_data, &skb_len); |
| 900 | if (skb_len < (QDF_NBUF_TRAC_IPV4_OFFSET + |
| 901 | QDF_NBUF_TRAC_IPV4_HEADER_SIZE + |
| 902 | QDF_NBUF_TRAC_TCP_FLAGS_OFFSET)) |
| 903 | return; |
| 904 | |
| 905 | ether_type = (uint16_t)(*(uint16_t *) |
| 906 | (skb_data + QDF_NBUF_TRAC_ETH_TYPE_OFFSET)); |
| 907 | protocol = (uint16_t)(*(uint16_t *) |
| 908 | (skb_data + QDF_NBUF_TRAC_IPV4_PROTO_TYPE_OFFSET)); |
| 909 | |
| 910 | if ((QDF_SWAP_U16(QDF_NBUF_TRAC_IPV4_ETH_TYPE) == ether_type) && |
| 911 | (protocol == QDF_NBUF_TRAC_TCP_TYPE)) { |
| 912 | ip_header_len = ((uint8_t)(*(uint8_t *) |
| 913 | (skb_data + QDF_NBUF_TRAC_IPV4_OFFSET)) & |
| 914 | QDF_NBUF_TRAC_IPV4_HEADER_MASK) << 2; |
| 915 | tcp_header_off = QDF_NBUF_TRAC_IPV4_OFFSET + ip_header_len; |
| 916 | |
| 917 | tcp_header_len = ((uint8_t)(*(uint8_t *) |
| 918 | (skb_data + tcp_header_off + |
| 919 | QDF_NBUF_TRAC_TCP_HEADER_LEN_OFFSET))) >> 2; |
| 920 | seg_len = skb_len - tcp_header_len - tcp_header_off; |
| 921 | flag = (uint8_t)(*(uint8_t *) |
| 922 | (skb_data + tcp_header_off + |
| 923 | QDF_NBUF_TRAC_TCP_FLAGS_OFFSET)); |
| 924 | |
| 925 | info->src_ip = QDF_SWAP_U32((uint32_t)(*(uint32_t *) |
| 926 | (skb_data + QDF_NBUF_TRAC_IPV4_SRC_ADDR_OFFSET))); |
| 927 | info->dst_ip = QDF_SWAP_U32((uint32_t)(*(uint32_t *) |
| 928 | (skb_data + QDF_NBUF_TRAC_IPV4_DEST_ADDR_OFFSET))); |
| 929 | info->src_port = QDF_SWAP_U16((uint16_t)(*(uint16_t *) |
| 930 | (skb_data + tcp_header_off + |
| 931 | QDF_NBUF_TRAC_TCP_SPORT_OFFSET))); |
| 932 | info->dst_port = QDF_SWAP_U16((uint16_t)(*(uint16_t *) |
| 933 | (skb_data + tcp_header_off + |
| 934 | QDF_NBUF_TRAC_TCP_DPORT_OFFSET))); |
| 935 | info->stream_id = ol_tx_get_stream_id(info); |
| 936 | |
| 937 | if ((flag == QDF_NBUF_TRAC_TCP_ACK_MASK) && (seg_len == 0)) { |
| 938 | info->type = TCP_PKT_ACK; |
| 939 | info->ack_number = (uint32_t)(*(uint32_t *) |
| 940 | (skb_data + tcp_header_off + |
| 941 | QDF_NBUF_TRAC_TCP_ACK_OFFSET)); |
| 942 | info->ack_number = QDF_SWAP_U32(info->ack_number); |
| 943 | } else { |
| 944 | info->type = TCP_PKT_NO_ACK; |
| 945 | } |
| 946 | } |
| 947 | } |
| 948 | |
| 949 | /** |
| 950 | * ol_tx_hl_find_and_send_tcp_stream() - find and send tcp stream for passed |
| 951 | * stream info |
| 952 | * @vdev: vdev handle |
| 953 | * @info: packet info |
| 954 | * |
| 955 | * Return: none |
| 956 | */ |
| 957 | void ol_tx_hl_find_and_send_tcp_stream(struct ol_txrx_vdev_t *vdev, |
| 958 | struct packet_info *info) |
| 959 | { |
| 960 | uint8_t no_of_entries; |
| 961 | struct tcp_stream_node *node_to_be_remove = NULL; |
Li Feng | 1b31168 | 2019-10-18 11:08:13 +0800 | [diff] [blame] | 962 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 963 | |
| 964 | /* remove tcp node from hash */ |
| 965 | qdf_spin_lock_bh(&vdev->tcp_ack_hash.node[info->stream_id]. |
| 966 | hash_node_lock); |
| 967 | |
| 968 | no_of_entries = vdev->tcp_ack_hash.node[info->stream_id]. |
| 969 | no_of_entries; |
| 970 | if (no_of_entries > 1) { |
| 971 | /* collision case */ |
| 972 | struct tcp_stream_node *head = |
| 973 | vdev->tcp_ack_hash.node[info->stream_id].head; |
| 974 | struct tcp_stream_node *temp; |
| 975 | |
| 976 | if ((head->dst_ip == info->dst_ip) && |
| 977 | (head->src_ip == info->src_ip) && |
| 978 | (head->src_port == info->src_port) && |
| 979 | (head->dst_port == info->dst_port)) { |
| 980 | node_to_be_remove = head; |
| 981 | vdev->tcp_ack_hash.node[info->stream_id].head = |
| 982 | head->next; |
| 983 | vdev->tcp_ack_hash.node[info->stream_id]. |
| 984 | no_of_entries--; |
| 985 | } else { |
| 986 | temp = head; |
| 987 | while (temp->next) { |
| 988 | if ((temp->next->dst_ip == info->dst_ip) && |
| 989 | (temp->next->src_ip == info->src_ip) && |
| 990 | (temp->next->src_port == info->src_port) && |
| 991 | (temp->next->dst_port == info->dst_port)) { |
| 992 | node_to_be_remove = temp->next; |
| 993 | temp->next = temp->next->next; |
| 994 | vdev->tcp_ack_hash. |
| 995 | node[info->stream_id]. |
| 996 | no_of_entries--; |
| 997 | break; |
| 998 | } |
| 999 | temp = temp->next; |
| 1000 | } |
| 1001 | } |
| 1002 | } else if (no_of_entries == 1) { |
| 1003 | /* Only one tcp_node */ |
| 1004 | node_to_be_remove = |
| 1005 | vdev->tcp_ack_hash.node[info->stream_id].head; |
| 1006 | vdev->tcp_ack_hash.node[info->stream_id].head = NULL; |
| 1007 | vdev->tcp_ack_hash.node[info->stream_id].no_of_entries = 0; |
| 1008 | } |
| 1009 | qdf_spin_unlock_bh(&vdev->tcp_ack_hash. |
| 1010 | node[info->stream_id].hash_node_lock); |
| 1011 | |
| 1012 | /* send packets */ |
| 1013 | if (node_to_be_remove) { |
Subrat Dash | c8259cd | 2019-09-04 16:28:19 +0530 | [diff] [blame] | 1014 | int tx_comp_req = pdev->cfg.default_tx_comp_req || |
| 1015 | pdev->cfg.request_tx_comp; |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 1016 | qdf_nbuf_t msdu_list; |
| 1017 | |
| 1018 | msdu_list = ol_tx_hl_base(vdev, OL_TX_SPEC_STD, |
| 1019 | node_to_be_remove->head, |
| 1020 | tx_comp_req, true); |
| 1021 | if (msdu_list) |
| 1022 | qdf_nbuf_tx_free(msdu_list, 1/*error*/); |
| 1023 | ol_txrx_vdev_free_tcp_node(vdev, node_to_be_remove); |
| 1024 | } |
| 1025 | } |
| 1026 | |
| 1027 | static struct tcp_stream_node * |
| 1028 | ol_tx_hl_rep_tcp_ack(struct ol_txrx_vdev_t *vdev, qdf_nbuf_t msdu, |
| 1029 | struct packet_info *info, bool *is_found, |
| 1030 | bool *start_timer) |
| 1031 | { |
| 1032 | struct tcp_stream_node *node_to_be_remove = NULL; |
| 1033 | struct tcp_stream_node *head = |
| 1034 | vdev->tcp_ack_hash.node[info->stream_id].head; |
| 1035 | struct tcp_stream_node *temp; |
| 1036 | |
| 1037 | if ((head->dst_ip == info->dst_ip) && |
| 1038 | (head->src_ip == info->src_ip) && |
| 1039 | (head->src_port == info->src_port) && |
| 1040 | (head->dst_port == info->dst_port)) { |
| 1041 | *is_found = true; |
| 1042 | if ((head->ack_number < info->ack_number) && |
| 1043 | (head->no_of_ack_replaced < |
| 1044 | ol_cfg_get_del_ack_count_value(vdev->pdev->ctrl_pdev))) { |
| 1045 | /* replace ack packet */ |
| 1046 | qdf_nbuf_tx_free(head->head, 1); |
| 1047 | head->head = msdu; |
| 1048 | head->ack_number = info->ack_number; |
| 1049 | head->no_of_ack_replaced++; |
| 1050 | *start_timer = true; |
| 1051 | |
| 1052 | vdev->no_of_tcpack_replaced++; |
| 1053 | |
| 1054 | if (head->no_of_ack_replaced == |
| 1055 | ol_cfg_get_del_ack_count_value( |
| 1056 | vdev->pdev->ctrl_pdev)) { |
| 1057 | node_to_be_remove = head; |
| 1058 | vdev->tcp_ack_hash.node[info->stream_id].head = |
| 1059 | head->next; |
| 1060 | vdev->tcp_ack_hash.node[info->stream_id]. |
| 1061 | no_of_entries--; |
| 1062 | } |
| 1063 | } else { |
| 1064 | /* append and send packets */ |
| 1065 | head->head->next = msdu; |
| 1066 | node_to_be_remove = head; |
| 1067 | vdev->tcp_ack_hash.node[info->stream_id].head = |
| 1068 | head->next; |
| 1069 | vdev->tcp_ack_hash.node[info->stream_id]. |
| 1070 | no_of_entries--; |
| 1071 | } |
| 1072 | } else { |
| 1073 | temp = head; |
| 1074 | while (temp->next) { |
| 1075 | if ((temp->next->dst_ip == info->dst_ip) && |
| 1076 | (temp->next->src_ip == info->src_ip) && |
| 1077 | (temp->next->src_port == info->src_port) && |
| 1078 | (temp->next->dst_port == info->dst_port)) { |
| 1079 | *is_found = true; |
| 1080 | if ((temp->next->ack_number < |
| 1081 | info->ack_number) && |
| 1082 | (temp->next->no_of_ack_replaced < |
| 1083 | ol_cfg_get_del_ack_count_value( |
| 1084 | vdev->pdev->ctrl_pdev))) { |
| 1085 | /* replace ack packet */ |
| 1086 | qdf_nbuf_tx_free(temp->next->head, 1); |
| 1087 | temp->next->head = msdu; |
| 1088 | temp->next->ack_number = |
| 1089 | info->ack_number; |
| 1090 | temp->next->no_of_ack_replaced++; |
| 1091 | *start_timer = true; |
| 1092 | |
| 1093 | vdev->no_of_tcpack_replaced++; |
| 1094 | |
| 1095 | if (temp->next->no_of_ack_replaced == |
| 1096 | ol_cfg_get_del_ack_count_value( |
| 1097 | vdev->pdev->ctrl_pdev)) { |
| 1098 | node_to_be_remove = temp->next; |
| 1099 | temp->next = temp->next->next; |
| 1100 | vdev->tcp_ack_hash. |
| 1101 | node[info->stream_id]. |
| 1102 | no_of_entries--; |
| 1103 | } |
| 1104 | } else { |
| 1105 | /* append and send packets */ |
| 1106 | temp->next->head->next = msdu; |
| 1107 | node_to_be_remove = temp->next; |
| 1108 | temp->next = temp->next->next; |
| 1109 | vdev->tcp_ack_hash. |
| 1110 | node[info->stream_id]. |
| 1111 | no_of_entries--; |
| 1112 | } |
| 1113 | break; |
| 1114 | } |
| 1115 | temp = temp->next; |
| 1116 | } |
| 1117 | } |
| 1118 | return node_to_be_remove; |
| 1119 | } |
| 1120 | |
| 1121 | /** |
| 1122 | * ol_tx_hl_find_and_replace_tcp_ack() - find and replace tcp ack packet for |
| 1123 | * passed packet info |
| 1124 | * @vdev: vdev handle |
| 1125 | * @msdu: packet |
| 1126 | * @info: packet info |
| 1127 | * |
| 1128 | * Return: none |
| 1129 | */ |
| 1130 | void ol_tx_hl_find_and_replace_tcp_ack(struct ol_txrx_vdev_t *vdev, |
| 1131 | qdf_nbuf_t msdu, |
| 1132 | struct packet_info *info) |
| 1133 | { |
| 1134 | uint8_t no_of_entries; |
| 1135 | struct tcp_stream_node *node_to_be_remove = NULL; |
| 1136 | bool is_found = false, start_timer = false; |
Li Feng | 1b31168 | 2019-10-18 11:08:13 +0800 | [diff] [blame] | 1137 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 1138 | |
| 1139 | /* replace ack if required or send packets */ |
| 1140 | qdf_spin_lock_bh(&vdev->tcp_ack_hash.node[info->stream_id]. |
| 1141 | hash_node_lock); |
| 1142 | |
| 1143 | no_of_entries = vdev->tcp_ack_hash.node[info->stream_id].no_of_entries; |
| 1144 | if (no_of_entries > 0) { |
| 1145 | node_to_be_remove = ol_tx_hl_rep_tcp_ack(vdev, msdu, info, |
| 1146 | &is_found, |
| 1147 | &start_timer); |
| 1148 | } |
| 1149 | |
| 1150 | if (no_of_entries == 0 || !is_found) { |
| 1151 | /* Alloc new tcp node */ |
| 1152 | struct tcp_stream_node *new_node; |
| 1153 | |
| 1154 | new_node = ol_txrx_vdev_alloc_tcp_node(vdev); |
| 1155 | if (!new_node) { |
| 1156 | qdf_spin_unlock_bh(&vdev->tcp_ack_hash. |
| 1157 | node[info->stream_id].hash_node_lock); |
| 1158 | dp_alert("Malloc failed"); |
| 1159 | return; |
| 1160 | } |
| 1161 | new_node->stream_id = info->stream_id; |
| 1162 | new_node->dst_ip = info->dst_ip; |
| 1163 | new_node->src_ip = info->src_ip; |
| 1164 | new_node->dst_port = info->dst_port; |
| 1165 | new_node->src_port = info->src_port; |
| 1166 | new_node->ack_number = info->ack_number; |
| 1167 | new_node->head = msdu; |
| 1168 | new_node->next = NULL; |
| 1169 | new_node->no_of_ack_replaced = 0; |
| 1170 | |
| 1171 | start_timer = true; |
| 1172 | /* insert new_node */ |
| 1173 | if (!vdev->tcp_ack_hash.node[info->stream_id].head) { |
| 1174 | vdev->tcp_ack_hash.node[info->stream_id].head = |
| 1175 | new_node; |
| 1176 | vdev->tcp_ack_hash.node[info->stream_id]. |
| 1177 | no_of_entries = 1; |
| 1178 | } else { |
| 1179 | struct tcp_stream_node *temp = |
| 1180 | vdev->tcp_ack_hash.node[info->stream_id].head; |
| 1181 | while (temp->next) |
| 1182 | temp = temp->next; |
| 1183 | |
| 1184 | temp->next = new_node; |
| 1185 | vdev->tcp_ack_hash.node[info->stream_id]. |
| 1186 | no_of_entries++; |
| 1187 | } |
| 1188 | } |
| 1189 | qdf_spin_unlock_bh(&vdev->tcp_ack_hash.node[info->stream_id]. |
| 1190 | hash_node_lock); |
| 1191 | |
| 1192 | /* start timer */ |
| 1193 | if (start_timer && |
| 1194 | (!qdf_atomic_read(&vdev->tcp_ack_hash.is_timer_running))) { |
| 1195 | qdf_hrtimer_start(&vdev->tcp_ack_hash.timer, |
| 1196 | qdf_ns_to_ktime(( |
| 1197 | ol_cfg_get_del_ack_timer_value( |
| 1198 | vdev->pdev->ctrl_pdev) * |
| 1199 | 1000000)), |
| 1200 | __QDF_HRTIMER_MODE_REL); |
| 1201 | qdf_atomic_set(&vdev->tcp_ack_hash.is_timer_running, 1); |
| 1202 | } |
| 1203 | |
| 1204 | /* send packets */ |
| 1205 | if (node_to_be_remove) { |
Subrat Dash | c8259cd | 2019-09-04 16:28:19 +0530 | [diff] [blame] | 1206 | int tx_comp_req = pdev->cfg.default_tx_comp_req || |
| 1207 | pdev->cfg.request_tx_comp; |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 1208 | qdf_nbuf_t msdu_list = NULL; |
| 1209 | |
| 1210 | msdu_list = ol_tx_hl_base(vdev, OL_TX_SPEC_STD, |
| 1211 | node_to_be_remove->head, |
| 1212 | tx_comp_req, true); |
| 1213 | if (msdu_list) |
| 1214 | qdf_nbuf_tx_free(msdu_list, 1/*error*/); |
| 1215 | ol_txrx_vdev_free_tcp_node(vdev, node_to_be_remove); |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | /** |
| 1220 | * ol_tx_hl_vdev_tcp_del_ack_timer() - delayed ack timer function |
| 1221 | * @timer: timer handle |
| 1222 | * |
| 1223 | * Return: enum |
| 1224 | */ |
| 1225 | enum qdf_hrtimer_restart_status |
| 1226 | ol_tx_hl_vdev_tcp_del_ack_timer(qdf_hrtimer_data_t *timer) |
| 1227 | { |
| 1228 | struct ol_txrx_vdev_t *vdev = qdf_container_of(timer, |
| 1229 | struct ol_txrx_vdev_t, |
| 1230 | tcp_ack_hash.timer); |
| 1231 | enum qdf_hrtimer_restart_status ret = __QDF_HRTIMER_NORESTART; |
| 1232 | |
| 1233 | qdf_sched_bh(&vdev->tcp_ack_hash.tcp_del_ack_tq); |
| 1234 | qdf_atomic_set(&vdev->tcp_ack_hash.is_timer_running, 0); |
| 1235 | return ret; |
| 1236 | } |
| 1237 | |
| 1238 | /** |
| 1239 | * ol_tx_hl_del_ack_queue_flush_all() - drop all queued packets |
| 1240 | * @vdev: vdev handle |
| 1241 | * |
| 1242 | * Return: none |
| 1243 | */ |
| 1244 | void ol_tx_hl_del_ack_queue_flush_all(struct ol_txrx_vdev_t *vdev) |
| 1245 | { |
| 1246 | int i; |
| 1247 | struct tcp_stream_node *tcp_node_list; |
| 1248 | struct tcp_stream_node *temp; |
| 1249 | |
| 1250 | qdf_hrtimer_cancel(&vdev->tcp_ack_hash.timer); |
| 1251 | for (i = 0; i < OL_TX_HL_DEL_ACK_HASH_SIZE; i++) { |
| 1252 | tcp_node_list = NULL; |
| 1253 | qdf_spin_lock_bh(&vdev->tcp_ack_hash.node[i].hash_node_lock); |
| 1254 | |
| 1255 | if (vdev->tcp_ack_hash.node[i].no_of_entries) |
| 1256 | tcp_node_list = vdev->tcp_ack_hash.node[i].head; |
| 1257 | |
| 1258 | vdev->tcp_ack_hash.node[i].no_of_entries = 0; |
| 1259 | vdev->tcp_ack_hash.node[i].head = NULL; |
| 1260 | qdf_spin_unlock_bh(&vdev->tcp_ack_hash.node[i].hash_node_lock); |
| 1261 | |
| 1262 | /* free all packets */ |
| 1263 | while (tcp_node_list) { |
| 1264 | temp = tcp_node_list; |
| 1265 | tcp_node_list = temp->next; |
| 1266 | |
| 1267 | qdf_nbuf_tx_free(temp->head, 1/*error*/); |
| 1268 | ol_txrx_vdev_free_tcp_node(vdev, temp); |
| 1269 | } |
| 1270 | } |
| 1271 | ol_txrx_vdev_deinit_tcp_del_ack(vdev); |
| 1272 | } |
| 1273 | |
| 1274 | /** |
| 1275 | * ol_txrx_vdev_init_tcp_del_ack() - initialize tcp delayed ack structure |
| 1276 | * @vdev: vdev handle |
| 1277 | * |
| 1278 | * Return: none |
| 1279 | */ |
| 1280 | void ol_txrx_vdev_init_tcp_del_ack(struct ol_txrx_vdev_t *vdev) |
| 1281 | { |
| 1282 | int i; |
| 1283 | |
| 1284 | vdev->driver_del_ack_enabled = false; |
| 1285 | |
| 1286 | dp_debug("vdev-id=%u, driver_del_ack_enabled=%d", |
| 1287 | vdev->vdev_id, |
| 1288 | vdev->driver_del_ack_enabled); |
| 1289 | |
| 1290 | vdev->no_of_tcpack = 0; |
| 1291 | vdev->no_of_tcpack_replaced = 0; |
| 1292 | |
| 1293 | qdf_hrtimer_init(&vdev->tcp_ack_hash.timer, |
| 1294 | ol_tx_hl_vdev_tcp_del_ack_timer, |
| 1295 | __QDF_CLOCK_MONOTONIC, |
| 1296 | __QDF_HRTIMER_MODE_REL, |
| 1297 | QDF_CONTEXT_HARDWARE |
| 1298 | ); |
| 1299 | qdf_create_bh(&vdev->tcp_ack_hash.tcp_del_ack_tq, |
| 1300 | tcp_del_ack_tasklet, |
| 1301 | vdev); |
| 1302 | qdf_atomic_init(&vdev->tcp_ack_hash.is_timer_running); |
| 1303 | qdf_atomic_init(&vdev->tcp_ack_hash.tcp_node_in_use_count); |
| 1304 | qdf_spinlock_create(&vdev->tcp_ack_hash.tcp_free_list_lock); |
| 1305 | vdev->tcp_ack_hash.tcp_free_list = NULL; |
| 1306 | for (i = 0; i < OL_TX_HL_DEL_ACK_HASH_SIZE; i++) { |
| 1307 | qdf_spinlock_create(&vdev->tcp_ack_hash.node[i].hash_node_lock); |
| 1308 | vdev->tcp_ack_hash.node[i].no_of_entries = 0; |
| 1309 | vdev->tcp_ack_hash.node[i].head = NULL; |
| 1310 | } |
| 1311 | } |
| 1312 | |
| 1313 | /** |
| 1314 | * ol_txrx_vdev_deinit_tcp_del_ack() - deinitialize tcp delayed ack structure |
| 1315 | * @vdev: vdev handle |
| 1316 | * |
| 1317 | * Return: none |
| 1318 | */ |
| 1319 | void ol_txrx_vdev_deinit_tcp_del_ack(struct ol_txrx_vdev_t *vdev) |
| 1320 | { |
| 1321 | struct tcp_stream_node *temp; |
| 1322 | |
| 1323 | qdf_destroy_bh(&vdev->tcp_ack_hash.tcp_del_ack_tq); |
| 1324 | |
| 1325 | qdf_spin_lock_bh(&vdev->tcp_ack_hash.tcp_free_list_lock); |
| 1326 | while (vdev->tcp_ack_hash.tcp_free_list) { |
| 1327 | temp = vdev->tcp_ack_hash.tcp_free_list; |
| 1328 | vdev->tcp_ack_hash.tcp_free_list = temp->next; |
| 1329 | qdf_mem_free(temp); |
| 1330 | } |
| 1331 | qdf_spin_unlock_bh(&vdev->tcp_ack_hash.tcp_free_list_lock); |
| 1332 | } |
| 1333 | |
| 1334 | /** |
| 1335 | * ol_txrx_vdev_free_tcp_node() - add tcp node in free list |
| 1336 | * @vdev: vdev handle |
| 1337 | * @node: tcp stream node |
| 1338 | * |
| 1339 | * Return: none |
| 1340 | */ |
| 1341 | void ol_txrx_vdev_free_tcp_node(struct ol_txrx_vdev_t *vdev, |
| 1342 | struct tcp_stream_node *node) |
| 1343 | { |
| 1344 | qdf_atomic_dec(&vdev->tcp_ack_hash.tcp_node_in_use_count); |
| 1345 | |
| 1346 | qdf_spin_lock_bh(&vdev->tcp_ack_hash.tcp_free_list_lock); |
| 1347 | if (vdev->tcp_ack_hash.tcp_free_list) { |
| 1348 | node->next = vdev->tcp_ack_hash.tcp_free_list; |
| 1349 | vdev->tcp_ack_hash.tcp_free_list = node; |
| 1350 | } else { |
| 1351 | vdev->tcp_ack_hash.tcp_free_list = node; |
| 1352 | node->next = NULL; |
| 1353 | } |
| 1354 | qdf_spin_unlock_bh(&vdev->tcp_ack_hash.tcp_free_list_lock); |
| 1355 | } |
| 1356 | |
| 1357 | /** |
| 1358 | * ol_txrx_vdev_alloc_tcp_node() - allocate tcp node |
| 1359 | * @vdev: vdev handle |
| 1360 | * |
| 1361 | * Return: tcp stream node |
| 1362 | */ |
| 1363 | struct tcp_stream_node *ol_txrx_vdev_alloc_tcp_node(struct ol_txrx_vdev_t *vdev) |
| 1364 | { |
| 1365 | struct tcp_stream_node *node = NULL; |
| 1366 | |
| 1367 | qdf_spin_lock_bh(&vdev->tcp_ack_hash.tcp_free_list_lock); |
| 1368 | if (vdev->tcp_ack_hash.tcp_free_list) { |
| 1369 | node = vdev->tcp_ack_hash.tcp_free_list; |
| 1370 | vdev->tcp_ack_hash.tcp_free_list = node->next; |
| 1371 | } |
| 1372 | qdf_spin_unlock_bh(&vdev->tcp_ack_hash.tcp_free_list_lock); |
| 1373 | |
| 1374 | if (!node) { |
| 1375 | node = qdf_mem_malloc(sizeof(struct ol_txrx_vdev_t)); |
| 1376 | if (!node) |
| 1377 | return NULL; |
| 1378 | } |
| 1379 | qdf_atomic_inc(&vdev->tcp_ack_hash.tcp_node_in_use_count); |
| 1380 | return node; |
| 1381 | } |
| 1382 | |
| 1383 | qdf_nbuf_t |
| 1384 | ol_tx_hl(ol_txrx_vdev_handle vdev, qdf_nbuf_t msdu_list) |
| 1385 | { |
| 1386 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
Subrat Dash | c8259cd | 2019-09-04 16:28:19 +0530 | [diff] [blame] | 1387 | int tx_comp_req = pdev->cfg.default_tx_comp_req || |
| 1388 | pdev->cfg.request_tx_comp; |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 1389 | struct packet_info pkt_info; |
| 1390 | qdf_nbuf_t temp; |
| 1391 | |
| 1392 | if (ol_tx_is_tcp_ack(msdu_list)) |
| 1393 | vdev->no_of_tcpack++; |
| 1394 | |
| 1395 | /* check Enable through ini */ |
| 1396 | if (!ol_cfg_get_del_ack_enable_value(vdev->pdev->ctrl_pdev) || |
| 1397 | (!vdev->driver_del_ack_enabled)) { |
| 1398 | if (qdf_atomic_read(&vdev->tcp_ack_hash.tcp_node_in_use_count)) |
| 1399 | ol_tx_hl_send_all_tcp_ack(vdev); |
| 1400 | |
| 1401 | return ol_tx_hl_base(vdev, OL_TX_SPEC_STD, msdu_list, |
| 1402 | tx_comp_req, true); |
| 1403 | } |
| 1404 | |
| 1405 | ol_tx_get_packet_info(msdu_list, &pkt_info); |
| 1406 | |
| 1407 | if (pkt_info.type == TCP_PKT_NO_ACK) { |
| 1408 | ol_tx_hl_find_and_send_tcp_stream(vdev, &pkt_info); |
| 1409 | temp = ol_tx_hl_base(vdev, OL_TX_SPEC_STD, msdu_list, |
| 1410 | tx_comp_req, true); |
| 1411 | return temp; |
| 1412 | } |
| 1413 | |
| 1414 | if (pkt_info.type == TCP_PKT_ACK) { |
| 1415 | ol_tx_hl_find_and_replace_tcp_ack(vdev, msdu_list, &pkt_info); |
| 1416 | return NULL; |
| 1417 | } |
| 1418 | |
| 1419 | temp = ol_tx_hl_base(vdev, OL_TX_SPEC_STD, msdu_list, |
| 1420 | tx_comp_req, true); |
| 1421 | return temp; |
| 1422 | } |
| 1423 | #else |
| 1424 | |
Nirav Shah | fb9b1df | 2019-11-15 11:40:52 +0530 | [diff] [blame^] | 1425 | #ifdef WLAN_SUPPORT_TXRX_HL_BUNDLE |
| 1426 | void |
| 1427 | ol_tx_pdev_reset_bundle_require(struct cdp_soc_t *soc_hdl, uint8_t pdev_id) |
| 1428 | { |
| 1429 | struct ol_txrx_soc_t *soc = cdp_soc_t_to_ol_txrx_soc_t(soc_hdl); |
| 1430 | struct ol_txrx_pdev_t *pdev = ol_txrx_get_pdev_from_pdev_id(soc, |
| 1431 | pdev_id); |
| 1432 | struct ol_txrx_vdev_t *vdev; |
| 1433 | |
| 1434 | TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) { |
| 1435 | vdev->bundling_required = false; |
| 1436 | ol_txrx_info("vdev_id %d bundle_require %d\n", |
| 1437 | vdev->vdev_id, vdev->bundling_required); |
| 1438 | } |
| 1439 | } |
| 1440 | |
| 1441 | void |
| 1442 | ol_tx_vdev_set_bundle_require(uint8_t vdev_id, unsigned long tx_bytes, |
| 1443 | uint32_t time_in_ms, uint32_t high_th, |
| 1444 | uint32_t low_th) |
| 1445 | { |
| 1446 | struct ol_txrx_vdev_t *vdev = (struct ol_txrx_vdev_t *) |
| 1447 | ol_txrx_get_vdev_from_vdev_id(vdev_id); |
| 1448 | bool old_bundle_required; |
| 1449 | |
| 1450 | if ((!vdev) || (low_th > high_th)) |
| 1451 | return; |
| 1452 | |
| 1453 | old_bundle_required = vdev->bundling_required; |
| 1454 | if (tx_bytes > ((high_th * time_in_ms * 1500) / 1000)) |
| 1455 | vdev->bundling_required = true; |
| 1456 | else if (tx_bytes < ((low_th * time_in_ms * 1500) / 1000)) |
| 1457 | vdev->bundling_required = false; |
| 1458 | |
| 1459 | if (old_bundle_required != vdev->bundling_required) |
| 1460 | ol_txrx_info("vdev_id %d bundle_require %d tx_bytes %ld time_in_ms %d high_th %d low_th %d\n", |
| 1461 | vdev->vdev_id, vdev->bundling_required, tx_bytes, |
| 1462 | time_in_ms, high_th, low_th); |
| 1463 | } |
| 1464 | |
| 1465 | /** |
| 1466 | * ol_tx_hl_queue_flush_all() - drop all packets in vdev bundle queue |
| 1467 | * @vdev: vdev handle |
| 1468 | * |
| 1469 | * Return: none |
| 1470 | */ |
| 1471 | void |
| 1472 | ol_tx_hl_queue_flush_all(struct ol_txrx_vdev_t *vdev) |
| 1473 | { |
| 1474 | qdf_spin_lock_bh(&vdev->bundle_queue.mutex); |
| 1475 | if (vdev->bundle_queue.txq.depth != 0) { |
| 1476 | qdf_timer_stop(&vdev->bundle_queue.timer); |
| 1477 | vdev->pdev->total_bundle_queue_length -= |
| 1478 | vdev->bundle_queue.txq.depth; |
| 1479 | qdf_nbuf_tx_free(vdev->bundle_queue.txq.head, 1/*error*/); |
| 1480 | vdev->bundle_queue.txq.depth = 0; |
| 1481 | vdev->bundle_queue.txq.head = NULL; |
| 1482 | vdev->bundle_queue.txq.tail = NULL; |
| 1483 | } |
| 1484 | qdf_spin_unlock_bh(&vdev->bundle_queue.mutex); |
| 1485 | } |
| 1486 | |
| 1487 | /** |
| 1488 | * ol_tx_hl_vdev_queue_append() - append pkt in tx queue |
| 1489 | * @vdev: vdev handle |
| 1490 | * @msdu_list: msdu list |
| 1491 | * |
| 1492 | * Return: none |
| 1493 | */ |
| 1494 | static void |
| 1495 | ol_tx_hl_vdev_queue_append(struct ol_txrx_vdev_t *vdev, qdf_nbuf_t msdu_list) |
| 1496 | { |
| 1497 | qdf_spin_lock_bh(&vdev->bundle_queue.mutex); |
| 1498 | |
| 1499 | if (!vdev->bundle_queue.txq.head) { |
| 1500 | qdf_timer_start( |
| 1501 | &vdev->bundle_queue.timer, |
| 1502 | ol_cfg_get_bundle_timer_value(vdev->pdev->ctrl_pdev)); |
| 1503 | vdev->bundle_queue.txq.head = msdu_list; |
| 1504 | vdev->bundle_queue.txq.tail = msdu_list; |
| 1505 | } else { |
| 1506 | qdf_nbuf_set_next(vdev->bundle_queue.txq.tail, msdu_list); |
| 1507 | } |
| 1508 | |
| 1509 | while (qdf_nbuf_next(msdu_list)) { |
| 1510 | vdev->bundle_queue.txq.depth++; |
| 1511 | vdev->pdev->total_bundle_queue_length++; |
| 1512 | msdu_list = qdf_nbuf_next(msdu_list); |
| 1513 | } |
| 1514 | |
| 1515 | vdev->bundle_queue.txq.depth++; |
| 1516 | vdev->pdev->total_bundle_queue_length++; |
| 1517 | vdev->bundle_queue.txq.tail = msdu_list; |
| 1518 | qdf_spin_unlock_bh(&vdev->bundle_queue.mutex); |
| 1519 | } |
| 1520 | |
| 1521 | /** |
| 1522 | * ol_tx_hl_vdev_queue_send_all() - send all packets in vdev bundle queue |
| 1523 | * @vdev: vdev handle |
| 1524 | * @call_sched: invoke scheduler |
| 1525 | * |
| 1526 | * Return: NULL for success |
| 1527 | */ |
| 1528 | static qdf_nbuf_t |
| 1529 | ol_tx_hl_vdev_queue_send_all(struct ol_txrx_vdev_t *vdev, bool call_sched, |
| 1530 | bool in_timer_context) |
| 1531 | { |
| 1532 | qdf_nbuf_t msdu_list = NULL; |
| 1533 | qdf_nbuf_t skb_list_head, skb_list_tail; |
| 1534 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
| 1535 | int tx_comp_req = pdev->cfg.default_tx_comp_req || |
| 1536 | pdev->cfg.request_tx_comp; |
| 1537 | int pkt_to_sent; |
| 1538 | |
| 1539 | qdf_spin_lock_bh(&vdev->bundle_queue.mutex); |
| 1540 | |
| 1541 | if (!vdev->bundle_queue.txq.depth) { |
| 1542 | qdf_spin_unlock_bh(&vdev->bundle_queue.mutex); |
| 1543 | return msdu_list; |
| 1544 | } |
| 1545 | |
| 1546 | if (likely((qdf_atomic_read(&vdev->tx_desc_count) + |
| 1547 | vdev->bundle_queue.txq.depth) < |
| 1548 | vdev->queue_stop_th)) { |
| 1549 | qdf_timer_stop(&vdev->bundle_queue.timer); |
| 1550 | vdev->pdev->total_bundle_queue_length -= |
| 1551 | vdev->bundle_queue.txq.depth; |
| 1552 | msdu_list = ol_tx_hl_base(vdev, OL_TX_SPEC_STD, |
| 1553 | vdev->bundle_queue.txq.head, |
| 1554 | tx_comp_req, call_sched); |
| 1555 | vdev->bundle_queue.txq.depth = 0; |
| 1556 | vdev->bundle_queue.txq.head = NULL; |
| 1557 | vdev->bundle_queue.txq.tail = NULL; |
| 1558 | } else { |
| 1559 | pkt_to_sent = vdev->queue_stop_th - |
| 1560 | qdf_atomic_read(&vdev->tx_desc_count); |
| 1561 | |
| 1562 | if (pkt_to_sent) { |
| 1563 | skb_list_head = vdev->bundle_queue.txq.head; |
| 1564 | |
| 1565 | while (pkt_to_sent) { |
| 1566 | skb_list_tail = |
| 1567 | vdev->bundle_queue.txq.head; |
| 1568 | vdev->bundle_queue.txq.head = |
| 1569 | qdf_nbuf_next(vdev->bundle_queue.txq.head); |
| 1570 | vdev->pdev->total_bundle_queue_length--; |
| 1571 | vdev->bundle_queue.txq.depth--; |
| 1572 | pkt_to_sent--; |
| 1573 | if (!vdev->bundle_queue.txq.head) { |
| 1574 | qdf_timer_stop( |
| 1575 | &vdev->bundle_queue.timer); |
| 1576 | break; |
| 1577 | } |
| 1578 | } |
| 1579 | |
| 1580 | qdf_nbuf_set_next(skb_list_tail, NULL); |
| 1581 | msdu_list = ol_tx_hl_base(vdev, OL_TX_SPEC_STD, |
| 1582 | skb_list_head, tx_comp_req, |
| 1583 | call_sched); |
| 1584 | } |
| 1585 | |
| 1586 | if (in_timer_context && vdev->bundle_queue.txq.head) { |
| 1587 | qdf_timer_start( |
| 1588 | &vdev->bundle_queue.timer, |
| 1589 | ol_cfg_get_bundle_timer_value( |
| 1590 | vdev->pdev->ctrl_pdev)); |
| 1591 | } |
| 1592 | } |
| 1593 | qdf_spin_unlock_bh(&vdev->bundle_queue.mutex); |
| 1594 | |
| 1595 | return msdu_list; |
| 1596 | } |
| 1597 | |
| 1598 | /** |
| 1599 | * ol_tx_hl_pdev_queue_send_all() - send all packets from all vdev bundle queue |
| 1600 | * @pdev: pdev handle |
| 1601 | * |
| 1602 | * Return: NULL for success |
| 1603 | */ |
| 1604 | qdf_nbuf_t |
| 1605 | ol_tx_hl_pdev_queue_send_all(struct ol_txrx_pdev_t *pdev) |
| 1606 | { |
| 1607 | struct ol_txrx_vdev_t *vdev; |
| 1608 | qdf_nbuf_t msdu_list; |
| 1609 | |
| 1610 | TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) { |
| 1611 | msdu_list = ol_tx_hl_vdev_queue_send_all(vdev, false, false); |
| 1612 | if (msdu_list) |
| 1613 | qdf_nbuf_tx_free(msdu_list, 1/*error*/); |
| 1614 | } |
| 1615 | ol_tx_sched(pdev); |
| 1616 | return NULL; /* all msdus were accepted */ |
| 1617 | } |
| 1618 | |
| 1619 | /** |
| 1620 | * ol_tx_hl_vdev_bundle_timer() - bundle timer function |
| 1621 | * @vdev: vdev handle |
| 1622 | * |
| 1623 | * Return: none |
| 1624 | */ |
| 1625 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 15, 0) |
| 1626 | void |
| 1627 | ol_tx_hl_vdev_bundle_timer(struct timer_list *t) |
| 1628 | { |
| 1629 | qdf_nbuf_t msdu_list; |
| 1630 | struct ol_txrx_vdev_t *vdev = from_timer(vdev, t, bundle_queue.timer); |
| 1631 | |
| 1632 | vdev->no_of_bundle_sent_in_timer++; |
| 1633 | msdu_list = ol_tx_hl_vdev_queue_send_all(vdev, true, true); |
| 1634 | if (msdu_list) |
| 1635 | qdf_nbuf_tx_free(msdu_list, 1/*error*/); |
| 1636 | } |
| 1637 | #else |
| 1638 | void |
| 1639 | ol_tx_hl_vdev_bundle_timer(void *ctx) |
| 1640 | { |
| 1641 | qdf_nbuf_t msdu_list; |
| 1642 | struct ol_txrx_vdev_t *vdev = (struct ol_txrx_vdev_t *)ctx; |
| 1643 | |
| 1644 | vdev->no_of_bundle_sent_in_timer++; |
| 1645 | msdu_list = ol_tx_hl_vdev_queue_send_all(vdev, true, true); |
| 1646 | if (msdu_list) |
| 1647 | qdf_nbuf_tx_free(msdu_list, 1/*error*/); |
| 1648 | } |
| 1649 | #endif |
| 1650 | |
| 1651 | qdf_nbuf_t |
| 1652 | ol_tx_hl(struct ol_txrx_vdev_t *vdev, qdf_nbuf_t msdu_list) |
| 1653 | { |
| 1654 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
| 1655 | int tx_comp_req = pdev->cfg.default_tx_comp_req || |
| 1656 | pdev->cfg.request_tx_comp; |
| 1657 | |
| 1658 | /* No queuing for high priority packets */ |
| 1659 | if (ol_tx_desc_is_high_prio(msdu_list)) { |
| 1660 | vdev->no_of_pkt_not_added_in_queue++; |
| 1661 | return ol_tx_hl_base(vdev, OL_TX_SPEC_STD, msdu_list, |
| 1662 | tx_comp_req, true); |
| 1663 | } else if (vdev->bundling_required && |
| 1664 | (ol_cfg_get_bundle_size(vdev->pdev->ctrl_pdev) > 1)) { |
| 1665 | ol_tx_hl_vdev_queue_append(vdev, msdu_list); |
| 1666 | |
| 1667 | if (pdev->total_bundle_queue_length >= |
| 1668 | ol_cfg_get_bundle_size(vdev->pdev->ctrl_pdev)) { |
| 1669 | vdev->no_of_bundle_sent_after_threshold++; |
| 1670 | return ol_tx_hl_pdev_queue_send_all(pdev); |
| 1671 | } |
| 1672 | } else { |
| 1673 | if (vdev->bundle_queue.txq.depth != 0) { |
| 1674 | ol_tx_hl_vdev_queue_append(vdev, msdu_list); |
| 1675 | return ol_tx_hl_vdev_queue_send_all(vdev, true, false); |
| 1676 | } else { |
| 1677 | vdev->no_of_pkt_not_added_in_queue++; |
| 1678 | return ol_tx_hl_base(vdev, OL_TX_SPEC_STD, msdu_list, |
| 1679 | tx_comp_req, true); |
| 1680 | } |
| 1681 | } |
| 1682 | |
| 1683 | return NULL; /* all msdus were accepted */ |
| 1684 | } |
| 1685 | |
| 1686 | #else |
| 1687 | |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1688 | qdf_nbuf_t |
| 1689 | ol_tx_hl(ol_txrx_vdev_handle vdev, qdf_nbuf_t msdu_list) |
| 1690 | { |
| 1691 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
| 1692 | int tx_comp_req = pdev->cfg.default_tx_comp_req || |
| 1693 | pdev->cfg.request_tx_comp; |
| 1694 | |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 1695 | return ol_tx_hl_base(vdev, OL_TX_SPEC_STD, |
| 1696 | msdu_list, tx_comp_req, true); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1697 | } |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 1698 | #endif |
Nirav Shah | fb9b1df | 2019-11-15 11:40:52 +0530 | [diff] [blame^] | 1699 | #endif |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1700 | |
| 1701 | qdf_nbuf_t ol_tx_non_std_hl(struct ol_txrx_vdev_t *vdev, |
| 1702 | enum ol_tx_spec tx_spec, |
| 1703 | qdf_nbuf_t msdu_list) |
| 1704 | { |
| 1705 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
| 1706 | int tx_comp_req = pdev->cfg.default_tx_comp_req || |
| 1707 | pdev->cfg.request_tx_comp; |
| 1708 | |
| 1709 | if (!tx_comp_req) { |
| 1710 | if ((tx_spec == OL_TX_SPEC_NO_FREE) && |
| 1711 | (pdev->tx_data_callback.func)) |
| 1712 | tx_comp_req = 1; |
| 1713 | } |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 1714 | return ol_tx_hl_base(vdev, tx_spec, msdu_list, tx_comp_req, true); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1715 | } |
| 1716 | |
| 1717 | #ifdef FEATURE_WLAN_TDLS |
| 1718 | /** |
| 1719 | * ol_txrx_copy_mac_addr_raw() - copy raw mac addr |
| 1720 | * @vdev: the data virtual device |
| 1721 | * @bss_addr: bss address |
| 1722 | * |
| 1723 | * Return: None |
| 1724 | */ |
| 1725 | void ol_txrx_copy_mac_addr_raw(struct cdp_vdev *pvdev, uint8_t *bss_addr) |
| 1726 | { |
| 1727 | struct ol_txrx_vdev_t *vdev = (struct ol_txrx_vdev_t *)pvdev; |
| 1728 | |
| 1729 | qdf_spin_lock_bh(&vdev->pdev->last_real_peer_mutex); |
| 1730 | if (bss_addr && vdev->last_real_peer && |
| 1731 | !qdf_mem_cmp((u8 *)bss_addr, |
| 1732 | vdev->last_real_peer->mac_addr.raw, |
Srinivas Girigowda | a47b45f | 2019-02-27 12:29:02 -0800 | [diff] [blame] | 1733 | QDF_MAC_ADDR_SIZE)) |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1734 | qdf_mem_copy(vdev->hl_tdls_ap_mac_addr.raw, |
| 1735 | vdev->last_real_peer->mac_addr.raw, |
Srinivas Girigowda | a47b45f | 2019-02-27 12:29:02 -0800 | [diff] [blame] | 1736 | QDF_MAC_ADDR_SIZE); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1737 | qdf_spin_unlock_bh(&vdev->pdev->last_real_peer_mutex); |
| 1738 | } |
| 1739 | |
| 1740 | /** |
| 1741 | * ol_txrx_add_last_real_peer() - add last peer |
| 1742 | * @pdev: the data physical device |
| 1743 | * @vdev: virtual device |
| 1744 | * @peer_id: peer id |
| 1745 | * |
| 1746 | * Return: None |
| 1747 | */ |
| 1748 | void |
| 1749 | ol_txrx_add_last_real_peer(struct cdp_pdev *ppdev, |
| 1750 | struct cdp_vdev *pvdev, uint8_t *peer_id) |
| 1751 | { |
| 1752 | struct ol_txrx_pdev_t *pdev = (struct ol_txrx_pdev_t *)ppdev; |
| 1753 | struct ol_txrx_vdev_t *vdev = (struct ol_txrx_vdev_t *)pvdev; |
| 1754 | ol_txrx_peer_handle peer; |
| 1755 | |
| 1756 | peer = ol_txrx_find_peer_by_addr( |
| 1757 | (struct cdp_pdev *)pdev, |
| 1758 | vdev->hl_tdls_ap_mac_addr.raw, |
| 1759 | peer_id); |
| 1760 | |
| 1761 | qdf_spin_lock_bh(&pdev->last_real_peer_mutex); |
| 1762 | if (!vdev->last_real_peer && peer && |
nakul kachhwaha | e3e92ae | 2019-10-24 17:59:48 +0530 | [diff] [blame] | 1763 | (peer->peer_ids[0] != HTT_INVALID_PEER_ID)) { |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1764 | vdev->last_real_peer = peer; |
nakul kachhwaha | e3e92ae | 2019-10-24 17:59:48 +0530 | [diff] [blame] | 1765 | qdf_mem_zero(vdev->hl_tdls_ap_mac_addr.raw, |
| 1766 | QDF_MAC_ADDR_SIZE); |
| 1767 | } |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1768 | qdf_spin_unlock_bh(&pdev->last_real_peer_mutex); |
| 1769 | } |
| 1770 | |
| 1771 | /** |
| 1772 | * is_vdev_restore_last_peer() - check for vdev last peer |
| 1773 | * @peer: peer object |
| 1774 | * |
| 1775 | * Return: true if last peer is not null |
| 1776 | */ |
| 1777 | bool is_vdev_restore_last_peer(void *ppeer) |
| 1778 | { |
| 1779 | struct ol_txrx_peer_t *peer = ppeer; |
| 1780 | struct ol_txrx_vdev_t *vdev; |
| 1781 | |
| 1782 | vdev = peer->vdev; |
| 1783 | return vdev->last_real_peer && (vdev->last_real_peer == peer); |
| 1784 | } |
| 1785 | |
| 1786 | /** |
| 1787 | * ol_txrx_update_last_real_peer() - check for vdev last peer |
| 1788 | * @pdev: the data physical device |
| 1789 | * @peer: peer device |
| 1790 | * @peer_id: peer id |
| 1791 | * @restore_last_peer: restore last peer flag |
| 1792 | * |
| 1793 | * Return: None |
| 1794 | */ |
Rachit Kankane | 87b1654 | 2019-02-28 14:14:36 +0530 | [diff] [blame] | 1795 | void ol_txrx_update_last_real_peer(struct cdp_pdev *ppdev, void *pvdev, |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1796 | uint8_t *peer_id, bool restore_last_peer) |
| 1797 | { |
| 1798 | struct ol_txrx_pdev_t *pdev = (struct ol_txrx_pdev_t *)ppdev; |
Rachit Kankane | 87b1654 | 2019-02-28 14:14:36 +0530 | [diff] [blame] | 1799 | struct ol_txrx_vdev_t *vdev = (struct ol_txrx_vdev_t *)pvdev; |
| 1800 | struct ol_txrx_peer_t *peer; |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1801 | |
| 1802 | if (!restore_last_peer) |
| 1803 | return; |
| 1804 | |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1805 | peer = ol_txrx_find_peer_by_addr((struct cdp_pdev *)pdev, |
| 1806 | vdev->hl_tdls_ap_mac_addr.raw, |
| 1807 | peer_id); |
| 1808 | |
| 1809 | qdf_spin_lock_bh(&pdev->last_real_peer_mutex); |
| 1810 | if (!vdev->last_real_peer && peer && |
nakul kachhwaha | e3e92ae | 2019-10-24 17:59:48 +0530 | [diff] [blame] | 1811 | (peer->peer_ids[0] != HTT_INVALID_PEER_ID)) { |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1812 | vdev->last_real_peer = peer; |
nakul kachhwaha | e3e92ae | 2019-10-24 17:59:48 +0530 | [diff] [blame] | 1813 | qdf_mem_zero(vdev->hl_tdls_ap_mac_addr.raw, |
| 1814 | QDF_MAC_ADDR_SIZE); |
| 1815 | } |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1816 | qdf_spin_unlock_bh(&pdev->last_real_peer_mutex); |
| 1817 | } |
nakul kachhwaha | e3e92ae | 2019-10-24 17:59:48 +0530 | [diff] [blame] | 1818 | |
| 1819 | /** |
| 1820 | * ol_txrx_set_peer_as_tdls_peer() - mark peer as tdls peer |
| 1821 | * @ppeer: cdp peer |
| 1822 | * @value: false/true |
| 1823 | * |
| 1824 | * Return: None |
| 1825 | */ |
| 1826 | void ol_txrx_set_peer_as_tdls_peer(void *ppeer, bool val) |
| 1827 | { |
| 1828 | ol_txrx_peer_handle peer = ppeer; |
| 1829 | |
| 1830 | ol_txrx_info_high("peer %pK, peer->ref_cnt %d", |
| 1831 | peer, qdf_atomic_read(&peer->ref_cnt)); |
| 1832 | |
| 1833 | /* Mark peer as tdls */ |
| 1834 | peer->is_tdls_peer = val; |
| 1835 | } |
| 1836 | |
| 1837 | /** |
| 1838 | * ol_txrx_set_tdls_offchan_enabled() - set tdls offchan enabled |
| 1839 | * @ppeer: cdp peer |
| 1840 | * @value: false/true |
| 1841 | * |
| 1842 | * Return: None |
| 1843 | */ |
| 1844 | void ol_txrx_set_tdls_offchan_enabled(void *ppeer, bool val) |
| 1845 | { |
| 1846 | ol_txrx_peer_handle peer = ppeer; |
| 1847 | |
| 1848 | ol_txrx_info_high("peer %pK, peer->ref_cnt %d", |
| 1849 | peer, qdf_atomic_read(&peer->ref_cnt)); |
| 1850 | |
| 1851 | /* Set TDLS Offchan operation enable/disable */ |
| 1852 | if (peer->is_tdls_peer) |
| 1853 | peer->tdls_offchan_enabled = val; |
| 1854 | } |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1855 | #endif |
| 1856 | |
| 1857 | #if defined(CONFIG_HL_SUPPORT) && defined(DEBUG_HL_LOGGING) |
| 1858 | /** |
| 1859 | * ol_txrx_pdev_txq_log_init() - initialise pdev txq logs |
| 1860 | * @pdev: the physical device object |
| 1861 | * |
| 1862 | * Return: None |
| 1863 | */ |
| 1864 | void ol_txrx_pdev_txq_log_init(struct ol_txrx_pdev_t *pdev) |
| 1865 | { |
| 1866 | qdf_spinlock_create(&pdev->txq_log_spinlock); |
| 1867 | pdev->txq_log.size = OL_TXQ_LOG_SIZE; |
| 1868 | pdev->txq_log.oldest_record_offset = 0; |
| 1869 | pdev->txq_log.offset = 0; |
| 1870 | pdev->txq_log.allow_wrap = 1; |
| 1871 | pdev->txq_log.wrapped = 0; |
| 1872 | } |
| 1873 | |
| 1874 | /** |
| 1875 | * ol_txrx_pdev_txq_log_destroy() - remove txq log spinlock for pdev |
| 1876 | * @pdev: the physical device object |
| 1877 | * |
| 1878 | * Return: None |
| 1879 | */ |
| 1880 | void ol_txrx_pdev_txq_log_destroy(struct ol_txrx_pdev_t *pdev) |
| 1881 | { |
| 1882 | qdf_spinlock_destroy(&pdev->txq_log_spinlock); |
| 1883 | } |
| 1884 | #endif |
| 1885 | |
| 1886 | #if defined(DEBUG_HL_LOGGING) |
| 1887 | |
| 1888 | /** |
| 1889 | * ol_txrx_pdev_grp_stats_init() - initialise group stat spinlock for pdev |
| 1890 | * @pdev: the physical device object |
| 1891 | * |
| 1892 | * Return: None |
| 1893 | */ |
| 1894 | void ol_txrx_pdev_grp_stats_init(struct ol_txrx_pdev_t *pdev) |
| 1895 | { |
| 1896 | qdf_spinlock_create(&pdev->grp_stat_spinlock); |
| 1897 | pdev->grp_stats.last_valid_index = -1; |
| 1898 | pdev->grp_stats.wrap_around = 0; |
| 1899 | } |
| 1900 | |
| 1901 | /** |
| 1902 | * ol_txrx_pdev_grp_stat_destroy() - destroy group stat spinlock for pdev |
| 1903 | * @pdev: the physical device object |
| 1904 | * |
| 1905 | * Return: None |
| 1906 | */ |
| 1907 | void ol_txrx_pdev_grp_stat_destroy(struct ol_txrx_pdev_t *pdev) |
| 1908 | { |
| 1909 | qdf_spinlock_destroy(&pdev->grp_stat_spinlock); |
| 1910 | } |
| 1911 | #endif |
| 1912 | |
| 1913 | #if defined(CONFIG_HL_SUPPORT) && defined(FEATURE_WLAN_TDLS) |
| 1914 | |
| 1915 | /** |
| 1916 | * ol_txrx_hl_tdls_flag_reset() - reset tdls flag for vdev |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 1917 | * @soc_hdl: Datapath soc handle |
| 1918 | * @vdev_id: id of vdev |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1919 | * @flag: flag |
| 1920 | * |
| 1921 | * Return: None |
| 1922 | */ |
| 1923 | void |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 1924 | ol_txrx_hl_tdls_flag_reset(struct cdp_soc_t *soc_hdl, uint8_t vdev_id, |
| 1925 | bool flag) |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1926 | { |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 1927 | struct ol_txrx_vdev_t *vdev = |
| 1928 | (struct ol_txrx_vdev_t *)ol_txrx_get_vdev_from_vdev_id(vdev_id); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 1929 | |
| 1930 | vdev->hlTdlsFlag = flag; |
| 1931 | } |
| 1932 | #endif |
| 1933 | |
| 1934 | /** |
| 1935 | * ol_txrx_vdev_txqs_init() - initialise vdev tx queues |
| 1936 | * @vdev: the virtual device object |
| 1937 | * |
| 1938 | * Return: None |
| 1939 | */ |
| 1940 | void ol_txrx_vdev_txqs_init(struct ol_txrx_vdev_t *vdev) |
| 1941 | { |
| 1942 | uint8_t i; |
| 1943 | |
| 1944 | for (i = 0; i < OL_TX_VDEV_NUM_QUEUES; i++) { |
| 1945 | TAILQ_INIT(&vdev->txqs[i].head); |
| 1946 | vdev->txqs[i].paused_count.total = 0; |
| 1947 | vdev->txqs[i].frms = 0; |
| 1948 | vdev->txqs[i].bytes = 0; |
| 1949 | vdev->txqs[i].ext_tid = OL_TX_NUM_TIDS + i; |
| 1950 | vdev->txqs[i].flag = ol_tx_queue_empty; |
| 1951 | /* aggregation is not applicable for vdev tx queues */ |
| 1952 | vdev->txqs[i].aggr_state = ol_tx_aggr_disabled; |
| 1953 | ol_tx_txq_set_group_ptr(&vdev->txqs[i], NULL); |
| 1954 | ol_txrx_set_txq_peer(&vdev->txqs[i], NULL); |
| 1955 | } |
| 1956 | } |
| 1957 | |
| 1958 | /** |
| 1959 | * ol_txrx_vdev_tx_queue_free() - free vdev tx queues |
| 1960 | * @vdev: the virtual device object |
| 1961 | * |
| 1962 | * Return: None |
| 1963 | */ |
| 1964 | void ol_txrx_vdev_tx_queue_free(struct ol_txrx_vdev_t *vdev) |
| 1965 | { |
| 1966 | struct ol_txrx_pdev_t *pdev = vdev->pdev; |
| 1967 | struct ol_tx_frms_queue_t *txq; |
| 1968 | int i; |
| 1969 | |
| 1970 | for (i = 0; i < OL_TX_VDEV_NUM_QUEUES; i++) { |
| 1971 | txq = &vdev->txqs[i]; |
| 1972 | ol_tx_queue_free(pdev, txq, (i + OL_TX_NUM_TIDS), false); |
| 1973 | } |
| 1974 | } |
| 1975 | |
| 1976 | /** |
| 1977 | * ol_txrx_peer_txqs_init() - initialise peer tx queues |
| 1978 | * @pdev: the physical device object |
| 1979 | * @peer: peer object |
| 1980 | * |
| 1981 | * Return: None |
| 1982 | */ |
| 1983 | void ol_txrx_peer_txqs_init(struct ol_txrx_pdev_t *pdev, |
| 1984 | struct ol_txrx_peer_t *peer) |
| 1985 | { |
| 1986 | uint8_t i; |
| 1987 | struct ol_txrx_vdev_t *vdev = peer->vdev; |
| 1988 | |
| 1989 | qdf_spin_lock_bh(&pdev->tx_queue_spinlock); |
| 1990 | for (i = 0; i < OL_TX_NUM_TIDS; i++) { |
| 1991 | TAILQ_INIT(&peer->txqs[i].head); |
| 1992 | peer->txqs[i].paused_count.total = 0; |
| 1993 | peer->txqs[i].frms = 0; |
| 1994 | peer->txqs[i].bytes = 0; |
| 1995 | peer->txqs[i].ext_tid = i; |
| 1996 | peer->txqs[i].flag = ol_tx_queue_empty; |
| 1997 | peer->txqs[i].aggr_state = ol_tx_aggr_untried; |
| 1998 | ol_tx_set_peer_group_ptr(pdev, peer, vdev->vdev_id, i); |
| 1999 | ol_txrx_set_txq_peer(&peer->txqs[i], peer); |
| 2000 | } |
| 2001 | qdf_spin_unlock_bh(&pdev->tx_queue_spinlock); |
| 2002 | |
| 2003 | /* aggregation is not applicable for mgmt and non-QoS tx queues */ |
| 2004 | for (i = OL_TX_NUM_QOS_TIDS; i < OL_TX_NUM_TIDS; i++) |
| 2005 | peer->txqs[i].aggr_state = ol_tx_aggr_disabled; |
| 2006 | |
| 2007 | ol_txrx_peer_pause(peer); |
| 2008 | } |
| 2009 | |
| 2010 | /** |
| 2011 | * ol_txrx_peer_tx_queue_free() - free peer tx queues |
| 2012 | * @pdev: the physical device object |
| 2013 | * @peer: peer object |
| 2014 | * |
| 2015 | * Return: None |
| 2016 | */ |
| 2017 | void ol_txrx_peer_tx_queue_free(struct ol_txrx_pdev_t *pdev, |
| 2018 | struct ol_txrx_peer_t *peer) |
| 2019 | { |
| 2020 | struct ol_tx_frms_queue_t *txq; |
| 2021 | uint8_t i; |
| 2022 | |
| 2023 | for (i = 0; i < OL_TX_NUM_TIDS; i++) { |
| 2024 | txq = &peer->txqs[i]; |
| 2025 | ol_tx_queue_free(pdev, txq, i, true); |
| 2026 | } |
| 2027 | } |
| 2028 | |
| 2029 | #ifdef FEATURE_HL_GROUP_CREDIT_FLOW_CONTROL |
| 2030 | |
| 2031 | /** |
| 2032 | * ol_txrx_update_group_credit() - update group credit for tx queue |
| 2033 | * @group: for which credit needs to be updated |
| 2034 | * @credit: credits |
| 2035 | * @absolute: TXQ group absolute |
| 2036 | * |
| 2037 | * Return: allocated pool size |
| 2038 | */ |
| 2039 | void ol_txrx_update_group_credit( |
| 2040 | struct ol_tx_queue_group_t *group, |
| 2041 | int32_t credit, |
| 2042 | u_int8_t absolute) |
| 2043 | { |
| 2044 | if (absolute) |
| 2045 | qdf_atomic_set(&group->credit, credit); |
| 2046 | else |
| 2047 | qdf_atomic_add(credit, &group->credit); |
| 2048 | } |
| 2049 | |
| 2050 | /** |
| 2051 | * ol_txrx_update_tx_queue_groups() - update vdev tx queue group if |
| 2052 | * vdev id mask and ac mask is not matching |
| 2053 | * @pdev: the data physical device |
| 2054 | * @group_id: TXQ group id |
| 2055 | * @credit: TXQ group credit count |
| 2056 | * @absolute: TXQ group absolute |
| 2057 | * @vdev_id_mask: TXQ vdev group id mask |
| 2058 | * @ac_mask: TQX access category mask |
| 2059 | * |
| 2060 | * Return: None |
| 2061 | */ |
| 2062 | void ol_txrx_update_tx_queue_groups( |
| 2063 | ol_txrx_pdev_handle pdev, |
| 2064 | u_int8_t group_id, |
| 2065 | int32_t credit, |
| 2066 | u_int8_t absolute, |
| 2067 | u_int32_t vdev_id_mask, |
| 2068 | u_int32_t ac_mask |
| 2069 | ) |
| 2070 | { |
| 2071 | struct ol_tx_queue_group_t *group; |
| 2072 | u_int32_t group_vdev_bit_mask, vdev_bit_mask, group_vdev_id_mask; |
| 2073 | u_int32_t membership; |
| 2074 | struct ol_txrx_vdev_t *vdev; |
| 2075 | |
| 2076 | if (group_id >= OL_TX_MAX_TXQ_GROUPS) { |
Nirav Shah | 7c8c171 | 2018-09-10 16:01:31 +0530 | [diff] [blame] | 2077 | ol_txrx_warn("invalid group_id=%u, ignore update", group_id); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2078 | return; |
| 2079 | } |
| 2080 | |
| 2081 | group = &pdev->txq_grps[group_id]; |
| 2082 | |
| 2083 | membership = OL_TXQ_GROUP_MEMBERSHIP_GET(vdev_id_mask, ac_mask); |
| 2084 | |
| 2085 | qdf_spin_lock_bh(&pdev->tx_queue_spinlock); |
| 2086 | /* |
| 2087 | * if the membership (vdev id mask and ac mask) |
| 2088 | * matches then no need to update tx qeue groups. |
| 2089 | */ |
| 2090 | if (group->membership == membership) |
| 2091 | /* Update Credit Only */ |
| 2092 | goto credit_update; |
| 2093 | |
| 2094 | credit += ol_txrx_distribute_group_credits(pdev, group_id, |
| 2095 | vdev_id_mask); |
| 2096 | /* |
| 2097 | * membership (vdev id mask and ac mask) is not matching |
| 2098 | * TODO: ignoring ac mask for now |
| 2099 | */ |
| 2100 | qdf_assert(ac_mask == 0xffff); |
| 2101 | group_vdev_id_mask = |
| 2102 | OL_TXQ_GROUP_VDEV_ID_MASK_GET(group->membership); |
| 2103 | |
| 2104 | TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) { |
| 2105 | group_vdev_bit_mask = |
| 2106 | OL_TXQ_GROUP_VDEV_ID_BIT_MASK_GET( |
| 2107 | group_vdev_id_mask, vdev->vdev_id); |
| 2108 | vdev_bit_mask = |
| 2109 | OL_TXQ_GROUP_VDEV_ID_BIT_MASK_GET( |
| 2110 | vdev_id_mask, vdev->vdev_id); |
| 2111 | |
| 2112 | if (group_vdev_bit_mask != vdev_bit_mask) { |
| 2113 | /* |
| 2114 | * Change in vdev tx queue group |
| 2115 | */ |
| 2116 | if (!vdev_bit_mask) { |
| 2117 | /* Set Group Pointer (vdev and peer) to NULL */ |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 2118 | ol_txrx_info("Group membership removed for vdev_id %d from group_id %d", |
| 2119 | vdev->vdev_id, group_id); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2120 | ol_tx_set_vdev_group_ptr( |
| 2121 | pdev, vdev->vdev_id, NULL); |
| 2122 | } else { |
| 2123 | /* Set Group Pointer (vdev and peer) */ |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 2124 | ol_txrx_info("Group membership updated for vdev_id %d to group_id %d", |
| 2125 | vdev->vdev_id, group_id); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2126 | ol_tx_set_vdev_group_ptr( |
| 2127 | pdev, vdev->vdev_id, group); |
| 2128 | } |
| 2129 | } |
| 2130 | } |
| 2131 | /* Update membership */ |
| 2132 | group->membership = membership; |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 2133 | ol_txrx_info("Group membership updated for group_id %d membership 0x%x", |
| 2134 | group_id, group->membership); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2135 | credit_update: |
| 2136 | /* Update Credit */ |
| 2137 | ol_txrx_update_group_credit(group, credit, absolute); |
| 2138 | qdf_spin_unlock_bh(&pdev->tx_queue_spinlock); |
| 2139 | } |
| 2140 | #endif |
| 2141 | |
| 2142 | #if defined(FEATURE_HL_GROUP_CREDIT_FLOW_CONTROL) && \ |
| 2143 | defined(FEATURE_HL_DBS_GROUP_CREDIT_SHARING) |
| 2144 | #define MIN_INIT_GROUP_CREDITS 10 |
| 2145 | int ol_txrx_distribute_group_credits(struct ol_txrx_pdev_t *pdev, |
| 2146 | u8 group_id, |
| 2147 | u32 vdevid_mask_new) |
| 2148 | { |
| 2149 | struct ol_tx_queue_group_t *grp = &pdev->txq_grps[group_id]; |
| 2150 | struct ol_tx_queue_group_t *grp_nxt = &pdev->txq_grps[!group_id]; |
| 2151 | int creds_nxt = qdf_atomic_read(&grp_nxt->credit); |
| 2152 | int vdevid_mask = OL_TXQ_GROUP_VDEV_ID_MASK_GET(grp->membership); |
| 2153 | int vdevid_mask_othgrp = |
| 2154 | OL_TXQ_GROUP_VDEV_ID_MASK_GET(grp_nxt->membership); |
| 2155 | int creds_distribute = 0; |
| 2156 | |
| 2157 | /* if vdev added to the group is the first vdev */ |
| 2158 | if ((vdevid_mask == 0) && (vdevid_mask_new != 0)) { |
| 2159 | /* if other group has members */ |
| 2160 | if (vdevid_mask_othgrp) { |
| 2161 | if (creds_nxt < MIN_INIT_GROUP_CREDITS) |
| 2162 | creds_distribute = creds_nxt / 2; |
| 2163 | else |
| 2164 | creds_distribute = MIN_INIT_GROUP_CREDITS; |
| 2165 | |
| 2166 | ol_txrx_update_group_credit(grp_nxt, -creds_distribute, |
| 2167 | 0); |
| 2168 | } else { |
| 2169 | /* |
| 2170 | * Other grp has no members, give all credits to this |
| 2171 | * grp. |
| 2172 | */ |
| 2173 | creds_distribute = |
| 2174 | qdf_atomic_read(&pdev->target_tx_credit); |
| 2175 | } |
| 2176 | /* if all vdevs are removed from this grp */ |
| 2177 | } else if ((vdevid_mask != 0) && (vdevid_mask_new == 0)) { |
| 2178 | if (vdevid_mask_othgrp) |
| 2179 | /* Transfer credits to other grp */ |
| 2180 | ol_txrx_update_group_credit(grp_nxt, |
| 2181 | qdf_atomic_read(&grp-> |
| 2182 | credit), |
| 2183 | 0); |
| 2184 | /* Set current grp credits to zero */ |
| 2185 | ol_txrx_update_group_credit(grp, 0, 1); |
| 2186 | } |
| 2187 | |
| 2188 | return creds_distribute; |
| 2189 | } |
| 2190 | #endif /* |
| 2191 | * FEATURE_HL_GROUP_CREDIT_FLOW_CONTROL && |
| 2192 | * FEATURE_HL_DBS_GROUP_CREDIT_SHARING |
| 2193 | */ |
| 2194 | |
| 2195 | #ifdef QCA_HL_NETDEV_FLOW_CONTROL |
Rakesh Pillai | f94b162 | 2019-11-07 19:54:01 +0530 | [diff] [blame] | 2196 | int ol_txrx_register_hl_flow_control(struct cdp_soc_t *soc_hdl, |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 2197 | uint8_t pdev_id, |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2198 | tx_pause_callback flowcontrol) |
| 2199 | { |
Rakesh Pillai | f94b162 | 2019-11-07 19:54:01 +0530 | [diff] [blame] | 2200 | struct ol_txrx_soc_t *soc = cdp_soc_t_to_ol_txrx_soc_t(soc_hdl); |
Rakesh Pillai | f94b162 | 2019-11-07 19:54:01 +0530 | [diff] [blame] | 2201 | ol_txrx_pdev_handle pdev = ol_txrx_get_pdev_from_pdev_id(soc, pdev_id); |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 2202 | u32 desc_pool_size; |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2203 | |
Rakesh Pillai | 6a36b0a | 2019-09-06 16:30:05 +0530 | [diff] [blame] | 2204 | if (!pdev || !flowcontrol) { |
| 2205 | ol_txrx_err("pdev or pause_cb is NULL"); |
| 2206 | return QDF_STATUS_E_INVAL; |
| 2207 | } |
| 2208 | |
| 2209 | desc_pool_size = ol_tx_desc_pool_size_hl(pdev->ctrl_pdev); |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2210 | /* |
| 2211 | * Assert if the tx descriptor pool size meets the requirements |
| 2212 | * Maximum 2 sessions are allowed on a band. |
| 2213 | */ |
| 2214 | QDF_ASSERT((2 * ol_txrx_tx_desc_alloc_table[TXRX_FC_5GH_80M_2x2] + |
| 2215 | ol_txrx_tx_desc_alloc_table[TXRX_FC_2GH_40M_2x2]) |
| 2216 | <= desc_pool_size); |
| 2217 | |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2218 | pdev->pause_cb = flowcontrol; |
| 2219 | return 0; |
| 2220 | } |
| 2221 | |
Rakesh Pillai | f94b162 | 2019-11-07 19:54:01 +0530 | [diff] [blame] | 2222 | int ol_txrx_set_vdev_os_queue_status(struct cdp_soc_t *soc_hdl, u8 vdev_id, |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2223 | enum netif_action_type action) |
| 2224 | { |
| 2225 | struct ol_txrx_vdev_t *vdev = |
| 2226 | (struct ol_txrx_vdev_t *)ol_txrx_get_vdev_from_vdev_id(vdev_id); |
| 2227 | |
| 2228 | if (!vdev) { |
| 2229 | QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| 2230 | "%s: Invalid vdev_id %d", __func__, vdev_id); |
| 2231 | return -EINVAL; |
| 2232 | } |
| 2233 | |
| 2234 | switch (action) { |
| 2235 | case WLAN_NETIF_PRIORITY_QUEUE_ON: |
| 2236 | qdf_spin_lock_bh(&vdev->pdev->tx_mutex); |
| 2237 | vdev->prio_q_paused = 0; |
| 2238 | qdf_spin_unlock_bh(&vdev->pdev->tx_mutex); |
| 2239 | break; |
| 2240 | case WLAN_WAKE_NON_PRIORITY_QUEUE: |
| 2241 | qdf_atomic_set(&vdev->os_q_paused, 0); |
| 2242 | break; |
| 2243 | default: |
| 2244 | QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| 2245 | "%s: Invalid action %d", __func__, action); |
| 2246 | return -EINVAL; |
| 2247 | } |
| 2248 | return 0; |
| 2249 | } |
| 2250 | |
Rakesh Pillai | f94b162 | 2019-11-07 19:54:01 +0530 | [diff] [blame] | 2251 | int ol_txrx_set_vdev_tx_desc_limit(struct cdp_soc_t *soc_hdl, u8 vdev_id, |
| 2252 | u8 chan) |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2253 | { |
| 2254 | struct ol_txrx_vdev_t *vdev = |
| 2255 | (struct ol_txrx_vdev_t *)ol_txrx_get_vdev_from_vdev_id(vdev_id); |
| 2256 | enum ol_txrx_fc_limit_id fc_limit_id; |
| 2257 | u32 td_limit; |
| 2258 | |
| 2259 | if (!vdev) { |
| 2260 | QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR, |
| 2261 | "%s: Invalid vdev_id %d", __func__, vdev_id); |
| 2262 | return -EINVAL; |
| 2263 | } |
| 2264 | |
| 2265 | /* TODO: Handle no of spatial streams and channel BW */ |
| 2266 | if (WLAN_REG_IS_5GHZ_CH(chan)) |
| 2267 | fc_limit_id = TXRX_FC_5GH_80M_2x2; |
| 2268 | else |
| 2269 | fc_limit_id = TXRX_FC_2GH_40M_2x2; |
| 2270 | |
| 2271 | qdf_spin_lock_bh(&vdev->pdev->tx_mutex); |
| 2272 | td_limit = ol_txrx_tx_desc_alloc_table[fc_limit_id]; |
| 2273 | vdev->tx_desc_limit = td_limit; |
| 2274 | vdev->queue_stop_th = td_limit - TXRX_HL_TX_DESC_HI_PRIO_RESERVED; |
| 2275 | vdev->queue_restart_th = td_limit - TXRX_HL_TX_DESC_QUEUE_RESTART_TH; |
| 2276 | qdf_spin_unlock_bh(&vdev->pdev->tx_mutex); |
| 2277 | |
| 2278 | return 0; |
| 2279 | } |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 2280 | |
| 2281 | void ol_tx_dump_flow_pool_info_compact(void *ctx) |
| 2282 | { |
| 2283 | struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| 2284 | char *comb_log_str; |
| 2285 | int bytes_written = 0; |
| 2286 | uint32_t free_size; |
| 2287 | struct ol_txrx_vdev_t *vdev; |
| 2288 | int i = 0; |
| 2289 | |
| 2290 | free_size = WLAN_MAX_VDEVS * 100; |
| 2291 | comb_log_str = qdf_mem_malloc(free_size); |
| 2292 | if (!comb_log_str) |
| 2293 | return; |
| 2294 | |
| 2295 | qdf_spin_lock_bh(&pdev->tx_mutex); |
| 2296 | TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) { |
| 2297 | bytes_written += snprintf(&comb_log_str[bytes_written], |
| 2298 | free_size, "%d (%d,%d)(%d,%d)(%d,%d) |", |
| 2299 | vdev->vdev_id, vdev->tx_desc_limit, |
| 2300 | qdf_atomic_read(&vdev->tx_desc_count), |
| 2301 | qdf_atomic_read(&vdev->os_q_paused), |
| 2302 | vdev->prio_q_paused, vdev->queue_stop_th, |
| 2303 | vdev->queue_restart_th); |
| 2304 | free_size -= bytes_written; |
| 2305 | } |
| 2306 | qdf_spin_unlock_bh(&pdev->tx_mutex); |
| 2307 | qdf_nofl_debug("STATS | FC: %s", comb_log_str); |
| 2308 | |
| 2309 | free_size = WLAN_MAX_VDEVS * 100; |
| 2310 | bytes_written = 0; |
| 2311 | qdf_mem_zero(comb_log_str, free_size); |
| 2312 | |
| 2313 | bytes_written = snprintf(&comb_log_str[bytes_written], free_size, |
| 2314 | "%d ", |
| 2315 | qdf_atomic_read(&pdev->target_tx_credit)); |
| 2316 | for (i = 0; i < OL_TX_MAX_TXQ_GROUPS; i++) { |
| 2317 | bytes_written += snprintf(&comb_log_str[bytes_written], |
| 2318 | free_size, "|%d, (0x%x, %d)", i, |
| 2319 | OL_TXQ_GROUP_VDEV_ID_MASK_GET( |
| 2320 | pdev->txq_grps[i].membership), |
| 2321 | qdf_atomic_read( |
| 2322 | &pdev->txq_grps[i].credit)); |
| 2323 | free_size -= bytes_written; |
| 2324 | } |
| 2325 | qdf_nofl_debug("STATS | CREDIT: %s", comb_log_str); |
| 2326 | qdf_mem_free(comb_log_str); |
| 2327 | } |
| 2328 | |
Rakesh Pillai | a889ffa | 2019-07-03 19:29:52 +0530 | [diff] [blame] | 2329 | void ol_tx_dump_flow_pool_info(struct cdp_soc_t *soc_hdl) |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 2330 | { |
Rakesh Pillai | a889ffa | 2019-07-03 19:29:52 +0530 | [diff] [blame] | 2331 | struct ol_txrx_soc_t *soc = cdp_soc_t_to_ol_txrx_soc_t(soc_hdl); |
| 2332 | ol_txrx_pdev_handle pdev; |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 2333 | struct ol_txrx_vdev_t *vdev; |
| 2334 | |
Rakesh Pillai | a889ffa | 2019-07-03 19:29:52 +0530 | [diff] [blame] | 2335 | pdev = ol_txrx_get_pdev_from_pdev_id(soc, OL_TXRX_PDEV_ID); |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 2336 | if (!pdev) { |
| 2337 | ol_txrx_err("pdev is NULL"); |
| 2338 | return; |
| 2339 | } |
| 2340 | |
| 2341 | qdf_spin_lock_bh(&pdev->tx_mutex); |
| 2342 | TAILQ_FOREACH(vdev, &pdev->vdev_list, vdev_list_elem) { |
| 2343 | txrx_nofl_info("vdev_id %d", vdev->vdev_id); |
| 2344 | txrx_nofl_info("limit %d available %d stop_threshold %d restart_threshold %d", |
| 2345 | vdev->tx_desc_limit, |
| 2346 | qdf_atomic_read(&vdev->tx_desc_count), |
| 2347 | vdev->queue_stop_th, vdev->queue_restart_th); |
| 2348 | txrx_nofl_info("q_paused %d prio_q_paused %d", |
| 2349 | qdf_atomic_read(&vdev->os_q_paused), |
| 2350 | vdev->prio_q_paused); |
Nirav Shah | fb9b1df | 2019-11-15 11:40:52 +0530 | [diff] [blame^] | 2351 | txrx_nofl_info("no_of_bundle_sent_after_threshold %lld", |
| 2352 | vdev->no_of_bundle_sent_after_threshold); |
| 2353 | txrx_nofl_info("no_of_bundle_sent_in_timer %lld", |
| 2354 | vdev->no_of_bundle_sent_in_timer); |
| 2355 | txrx_nofl_info("no_of_pkt_not_added_in_queue %lld", |
| 2356 | vdev->no_of_pkt_not_added_in_queue); |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 2357 | } |
| 2358 | qdf_spin_unlock_bh(&pdev->tx_mutex); |
| 2359 | } |
Nirav Shah | 52d85aa | 2018-04-26 14:03:00 +0530 | [diff] [blame] | 2360 | #endif /* QCA_HL_NETDEV_FLOW_CONTROL */ |