Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
Orhan K AKYILDIZ | 4f20db5 | 2015-12-30 12:35:44 -0800 | [diff] [blame] | 2 | * Copyright (c) 2012-2016 The Linux Foundation. All rights reserved. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * DOC: wlan_hdd_tx_rx.c |
| 30 | * |
| 31 | * Linux HDD Tx/RX APIs |
| 32 | */ |
| 33 | |
| 34 | #include <wlan_hdd_tx_rx.h> |
| 35 | #include <wlan_hdd_softap_tx_rx.h> |
| 36 | #include <wlan_hdd_napi.h> |
| 37 | #include <linux/netdevice.h> |
| 38 | #include <linux/skbuff.h> |
| 39 | #include <linux/etherdevice.h> |
| 40 | #include <cds_sched.h> |
| 41 | |
| 42 | #include <wlan_hdd_p2p.h> |
| 43 | #include <linux/wireless.h> |
| 44 | #include <net/cfg80211.h> |
| 45 | #include <net/ieee80211_radiotap.h> |
| 46 | #include "sap_api.h" |
| 47 | #include "wlan_hdd_wmm.h" |
| 48 | |
| 49 | #ifdef FEATURE_WLAN_TDLS |
| 50 | #include "wlan_hdd_tdls.h" |
| 51 | #endif |
| 52 | #include <wlan_hdd_ipa.h> |
| 53 | |
| 54 | #include "wlan_hdd_ocb.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 55 | #include "wlan_hdd_lro.h" |
| 56 | |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 57 | #include "cdp_txrx_peer_ops.h" |
| 58 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 59 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| 60 | #define HDD_EAPOL_ETHER_TYPE (0x888E) |
| 61 | #define HDD_EAPOL_ETHER_TYPE_OFFSET (12) |
| 62 | #define HDD_EAPOL_PACKET_TYPE_OFFSET (15) |
| 63 | #define HDD_EAPOL_KEY_INFO_OFFSET (19) |
| 64 | #define HDD_EAPOL_DEST_MAC_OFFSET (0) |
| 65 | #define HDD_EAPOL_SRC_MAC_OFFSET (6) |
Gupta, Kapil | 3e61707 | 2016-02-08 16:58:00 +0530 | [diff] [blame] | 66 | #define EAPOL_MASK 0x8013 |
| 67 | #define EAPOL_M1_BIT_MASK 0x8000 |
| 68 | #define EAPOL_M2_BIT_MASK 0x0001 |
| 69 | #define EAPOL_M3_BIT_MASK 0x8013 |
| 70 | #define EAPOL_M4_BIT_MASK 0x0003 |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 71 | #endif /* FEATURE_WLAN_DIAG_SUPPORT */ |
| 72 | |
| 73 | const uint8_t hdd_wmm_ac_to_highest_up[] = { |
| 74 | SME_QOS_WMM_UP_RESV, |
| 75 | SME_QOS_WMM_UP_EE, |
| 76 | SME_QOS_WMM_UP_VI, |
| 77 | SME_QOS_WMM_UP_NC |
| 78 | }; |
| 79 | |
| 80 | /* Mapping Linux AC interpretation to SME AC. */ |
| 81 | const uint8_t hdd_qdisc_ac_to_tl_ac[] = { |
| 82 | SME_AC_VO, |
| 83 | SME_AC_VI, |
| 84 | SME_AC_BE, |
| 85 | SME_AC_BK, |
| 86 | }; |
| 87 | |
| 88 | #ifdef QCA_LL_LEGACY_TX_FLOW_CONTROL |
| 89 | /** |
| 90 | * hdd_tx_resume_timer_expired_handler() - TX Q resume timer handler |
| 91 | * @adapter_context: pointer to vdev adapter |
| 92 | * |
| 93 | * If Blocked OS Q is not resumed during timeout period, to prevent |
| 94 | * permanent stall, resume OS Q forcefully. |
| 95 | * |
| 96 | * Return: None |
| 97 | */ |
| 98 | void hdd_tx_resume_timer_expired_handler(void *adapter_context) |
| 99 | { |
| 100 | hdd_adapter_t *pAdapter = (hdd_adapter_t *) adapter_context; |
| 101 | |
| 102 | if (!pAdapter) { |
| 103 | /* INVALID ARG */ |
| 104 | return; |
| 105 | } |
| 106 | |
| 107 | hddLog(LOG1, FL("Enabling queues")); |
| 108 | wlan_hdd_netif_queue_control(pAdapter, WLAN_WAKE_ALL_NETIF_QUEUE, |
| 109 | WLAN_CONTROL_PATH); |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * hdd_tx_resume_cb() - Resume OS TX Q. |
| 115 | * @adapter_context: pointer to vdev apdapter |
| 116 | * @tx_resume: TX Q resume trigger |
| 117 | * |
| 118 | * Q was stopped due to WLAN TX path low resource condition |
| 119 | * |
| 120 | * Return: None |
| 121 | */ |
| 122 | void hdd_tx_resume_cb(void *adapter_context, bool tx_resume) |
| 123 | { |
| 124 | hdd_adapter_t *pAdapter = (hdd_adapter_t *) adapter_context; |
| 125 | hdd_station_ctx_t *hdd_sta_ctx = NULL; |
| 126 | |
| 127 | if (!pAdapter) { |
| 128 | /* INVALID ARG */ |
| 129 | return; |
| 130 | } |
| 131 | |
| 132 | hdd_sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter); |
| 133 | |
| 134 | /* Resume TX */ |
| 135 | if (true == tx_resume) { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 136 | if (QDF_TIMER_STATE_STOPPED != |
| 137 | qdf_mc_timer_get_current_state(&pAdapter-> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 138 | tx_flow_control_timer)) { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 139 | qdf_mc_timer_stop(&pAdapter->tx_flow_control_timer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 140 | } |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 141 | if (qdf_unlikely(hdd_sta_ctx->hdd_ReassocScenario)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 142 | hddLog(LOGW, |
| 143 | FL("flow control, tx queues un-pause avoided as we are in REASSOCIATING state")); |
| 144 | return; |
| 145 | } |
| 146 | hddLog(LOG1, FL("Enabling queues")); |
| 147 | wlan_hdd_netif_queue_control(pAdapter, |
| 148 | WLAN_WAKE_ALL_NETIF_QUEUE, |
| 149 | WLAN_DATA_FLOW_CONTROL); |
| 150 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 151 | return; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * hdd_register_tx_flow_control() - Register TX Flow control |
| 156 | * @adapter: adapter handle |
| 157 | * @timer_callback: timer callback |
| 158 | * @flow_control_fp: txrx flow control |
| 159 | * |
| 160 | * Return: none |
| 161 | */ |
| 162 | void hdd_register_tx_flow_control(hdd_adapter_t *adapter, |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 163 | qdf_mc_timer_callback_t timer_callback, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 164 | ol_txrx_tx_flow_control_fp flow_control_fp) |
| 165 | { |
| 166 | if (adapter->tx_flow_timer_initialized == false) { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 167 | qdf_mc_timer_init(&adapter->tx_flow_control_timer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 168 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 169 | timer_callback, |
| 170 | adapter); |
| 171 | adapter->tx_flow_timer_initialized = true; |
| 172 | } |
| 173 | ol_txrx_register_tx_flow_control(adapter->sessionId, |
| 174 | flow_control_fp, |
| 175 | adapter); |
| 176 | |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * hdd_deregister_tx_flow_control() - Deregister TX Flow control |
| 181 | * @adapter: adapter handle |
| 182 | * |
| 183 | * Return: none |
| 184 | */ |
| 185 | void hdd_deregister_tx_flow_control(hdd_adapter_t *adapter) |
| 186 | { |
| 187 | ol_txrx_deregister_tx_flow_control_cb(adapter->sessionId); |
| 188 | if (adapter->tx_flow_timer_initialized == true) { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 189 | qdf_mc_timer_stop(&adapter->tx_flow_control_timer); |
| 190 | qdf_mc_timer_destroy(&adapter->tx_flow_control_timer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 191 | adapter->tx_flow_timer_initialized = false; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * hdd_get_tx_resource() - check tx resources and take action |
| 197 | * @adapter: adapter handle |
| 198 | * @STAId: station id |
| 199 | * @timer_value: timer value |
| 200 | * |
| 201 | * Return: none |
| 202 | */ |
| 203 | void hdd_get_tx_resource(hdd_adapter_t *adapter, |
| 204 | uint8_t STAId, uint16_t timer_value) |
| 205 | { |
| 206 | if (false == |
| 207 | ol_txrx_get_tx_resource(STAId, |
| 208 | adapter->tx_flow_low_watermark, |
| 209 | adapter->tx_flow_high_watermark_offset)) { |
| 210 | hdd_info("Disabling queues lwm %d hwm offset %d", |
| 211 | adapter->tx_flow_low_watermark, |
| 212 | adapter->tx_flow_high_watermark_offset); |
| 213 | wlan_hdd_netif_queue_control(adapter, WLAN_STOP_ALL_NETIF_QUEUE, |
| 214 | WLAN_DATA_FLOW_CONTROL); |
| 215 | if ((adapter->tx_flow_timer_initialized == true) && |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 216 | (QDF_TIMER_STATE_STOPPED == |
| 217 | qdf_mc_timer_get_current_state(&adapter-> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 218 | tx_flow_control_timer))) { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 219 | qdf_mc_timer_start(&adapter->tx_flow_control_timer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 220 | timer_value); |
| 221 | adapter->hdd_stats.hddTxRxStats.txflow_timer_cnt++; |
| 222 | adapter->hdd_stats.hddTxRxStats.txflow_pause_cnt++; |
| 223 | adapter->hdd_stats.hddTxRxStats.is_txflow_paused = true; |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | #endif /* QCA_LL_LEGACY_TX_FLOW_CONTROL */ |
| 229 | |
| 230 | /** |
| 231 | * wlan_hdd_is_eapol() - Function to check if frame is EAPOL or not |
| 232 | * @skb: skb data |
| 233 | * |
| 234 | * This function checks if the frame is an EAPOL frame or not |
| 235 | * |
| 236 | * Return: true (1) if packet is EAPOL |
| 237 | * |
| 238 | */ |
| 239 | static bool wlan_hdd_is_eapol(struct sk_buff *skb) |
| 240 | { |
| 241 | uint16_t ether_type; |
| 242 | |
| 243 | if (!skb) { |
| 244 | hdd_err(FL("skb is NULL")); |
| 245 | return false; |
| 246 | } |
| 247 | |
| 248 | ether_type = (uint16_t)(*(uint16_t *) |
| 249 | (skb->data + HDD_ETHERTYPE_802_1_X_FRAME_OFFSET)); |
| 250 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 251 | if (ether_type == QDF_SWAP_U16(HDD_ETHERTYPE_802_1_X)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 252 | return true; |
| 253 | |
| 254 | return false; |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * wlan_hdd_is_eapol_or_wai() - Check if frame is EAPOL or WAPI |
| 259 | * @skb: skb data |
| 260 | * |
| 261 | * This function checks if the frame is EAPOL or WAPI. |
| 262 | * single routine call will check for both types, thus avoiding |
| 263 | * data path performance penalty. |
| 264 | * |
| 265 | * Return: true (1) if packet is EAPOL or WAPI |
| 266 | * |
| 267 | */ |
| 268 | static bool wlan_hdd_is_eapol_or_wai(struct sk_buff *skb) |
| 269 | { |
| 270 | uint16_t ether_type; |
| 271 | |
| 272 | if (!skb) { |
| 273 | hdd_err(FL("skb is NULL")); |
| 274 | return false; |
| 275 | } |
| 276 | |
| 277 | ether_type = (uint16_t)(*(uint16_t *) |
| 278 | (skb->data + HDD_ETHERTYPE_802_1_X_FRAME_OFFSET)); |
| 279 | |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 280 | if (ether_type == QDF_SWAP_U16(HDD_ETHERTYPE_802_1_X) || |
| 281 | ether_type == QDF_SWAP_U16(HDD_ETHERTYPE_WAI)) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 282 | return true; |
| 283 | |
| 284 | /* No error msg handled since this will happen often */ |
| 285 | return false; |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * hdd_hard_start_xmit() - Transmit a frame |
| 290 | * @skb: pointer to OS packet (sk_buff) |
| 291 | * @dev: pointer to network device |
| 292 | * |
| 293 | * Function registered with the Linux OS for transmitting |
| 294 | * packets. This version of the function directly passes |
| 295 | * the packet to Transport Layer. |
| 296 | * |
| 297 | * Return: Always returns NETDEV_TX_OK |
| 298 | */ |
| 299 | int hdd_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| 300 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 301 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 302 | sme_ac_enum_type ac; |
| 303 | sme_QosWmmUpType up; |
| 304 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 305 | bool granted; |
| 306 | uint8_t STAId = WLAN_MAX_STA_COUNT; |
| 307 | hdd_station_ctx_t *pHddStaCtx = &pAdapter->sessionCtx.station; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 308 | #ifdef QCA_PKT_PROTO_TRACE |
Dhanashri Atre | 168d2b4 | 2016-02-22 14:43:06 -0800 | [diff] [blame] | 309 | uint8_t proto_type = 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 310 | hdd_context_t *hddCtxt = WLAN_HDD_GET_CTX(pAdapter); |
| 311 | #endif /* QCA_PKT_PROTO_TRACE */ |
| 312 | |
| 313 | #ifdef QCA_WIFI_FTM |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 314 | if (hdd_get_conparam() == QDF_GLOBAL_FTM_MODE) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 315 | kfree_skb(skb); |
| 316 | return NETDEV_TX_OK; |
| 317 | } |
| 318 | #endif |
| 319 | |
| 320 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitCalled; |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 321 | if (cds_is_driver_recovering()) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 322 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_WARN, |
Prashanth Bhatta | 9e14305 | 2015-12-04 11:56:47 -0800 | [diff] [blame] | 323 | "Recovery in progress, dropping the packet"); |
Govind Singh | ede435f | 2015-12-01 16:16:36 +0530 | [diff] [blame] | 324 | ++pAdapter->stats.tx_dropped; |
| 325 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 326 | kfree_skb(skb); |
| 327 | return NETDEV_TX_OK; |
| 328 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 329 | |
Krunal Soni | f07bb38 | 2016-03-10 13:02:11 -0800 | [diff] [blame] | 330 | if (QDF_IBSS_MODE == pAdapter->device_mode) { |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 331 | struct qdf_mac_addr *pDestMacAddress = |
| 332 | (struct qdf_mac_addr *) skb->data; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 333 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 334 | if (QDF_STATUS_SUCCESS != |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 335 | hdd_ibss_get_sta_id(&pAdapter->sessionCtx.station, |
| 336 | pDestMacAddress, &STAId)) |
| 337 | STAId = HDD_WLAN_INVALID_STA_ID; |
| 338 | |
| 339 | if ((STAId == HDD_WLAN_INVALID_STA_ID) && |
Anurag Chouhan | c554842 | 2016-02-24 18:33:27 +0530 | [diff] [blame] | 340 | (qdf_is_macaddr_broadcast(pDestMacAddress) || |
| 341 | qdf_is_macaddr_group(pDestMacAddress))) { |
Chandrasekaran, Manishekar | 34e325a | 2015-12-18 12:07:22 +0530 | [diff] [blame] | 342 | STAId = pHddStaCtx->broadcast_ibss_staid; |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 343 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 344 | QDF_TRACE_LEVEL_INFO_LOW, "%s: BC/MC packet", |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 345 | __func__); |
| 346 | } else if (STAId == HDD_WLAN_INVALID_STA_ID) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 347 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_WARN, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 348 | "%s: Received Unicast frame with invalid staID", |
| 349 | __func__); |
| 350 | ++pAdapter->stats.tx_dropped; |
| 351 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 352 | kfree_skb(skb); |
| 353 | return NETDEV_TX_OK; |
| 354 | } |
| 355 | } else { |
Krunal Soni | f07bb38 | 2016-03-10 13:02:11 -0800 | [diff] [blame] | 356 | if (QDF_OCB_MODE != pAdapter->device_mode && |
Samuel Ahn | 563506a | 2015-10-05 13:38:39 +0530 | [diff] [blame] | 357 | eConnectionState_Associated != |
| 358 | pHddStaCtx->conn_info.connState) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 359 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO, |
Hanumantha Reddy Pothula | 4532302 | 2015-06-23 17:14:08 +0530 | [diff] [blame] | 360 | FL("Tx frame in not associated state in %d context"), |
| 361 | pAdapter->device_mode); |
| 362 | ++pAdapter->stats.tx_dropped; |
| 363 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 364 | kfree_skb(skb); |
| 365 | return NETDEV_TX_OK; |
| 366 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 367 | STAId = pHddStaCtx->conn_info.staId[0]; |
| 368 | } |
| 369 | |
| 370 | |
| 371 | hdd_get_tx_resource(pAdapter, STAId, |
| 372 | WLAN_HDD_TX_FLOW_CONTROL_OS_Q_BLOCK_TIME); |
| 373 | |
| 374 | /* Get TL AC corresponding to Qdisc queue index/AC. */ |
| 375 | ac = hdd_qdisc_ac_to_tl_ac[skb->queue_mapping]; |
| 376 | |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 377 | if (!qdf_nbuf_ipa_owned_get(skb)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 378 | /* Check if the buffer has enough header room */ |
| 379 | skb = skb_unshare(skb, GFP_ATOMIC); |
| 380 | if (!skb) |
| 381 | goto drop_pkt; |
| 382 | |
| 383 | if (skb_headroom(skb) < dev->hard_header_len) { |
| 384 | struct sk_buff *tmp; |
| 385 | tmp = skb; |
| 386 | skb = skb_realloc_headroom(tmp, dev->hard_header_len); |
| 387 | dev_kfree_skb(tmp); |
| 388 | if (!skb) |
| 389 | goto drop_pkt; |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | /* user priority from IP header, which is already extracted and set from |
| 394 | * select_queue call back function |
| 395 | */ |
| 396 | up = skb->priority; |
| 397 | |
| 398 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[ac]; |
| 399 | #ifdef HDD_WMM_DEBUG |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 400 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_FATAL, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 401 | "%s: Classified as ac %d up %d", __func__, ac, up); |
| 402 | #endif /* HDD_WMM_DEBUG */ |
| 403 | |
| 404 | if (HDD_PSB_CHANGED == pAdapter->psbChanged) { |
| 405 | /* Function which will determine acquire admittance for a |
| 406 | * WMM AC is required or not based on psb configuration done |
| 407 | * in the framework |
| 408 | */ |
| 409 | hdd_wmm_acquire_access_required(pAdapter, ac); |
| 410 | } |
| 411 | /* |
| 412 | * Make sure we already have access to this access category |
| 413 | * or it is EAPOL or WAPI frame during initial authentication which |
| 414 | * can have artifically boosted higher qos priority. |
| 415 | */ |
| 416 | |
| 417 | if (((pAdapter->psbChanged & (1 << ac)) && |
| 418 | likely(pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 419 | wmmAcAccessAllowed)) || |
| 420 | ((pHddStaCtx->conn_info.uIsAuthenticated == false) && |
| 421 | wlan_hdd_is_eapol_or_wai(skb))) { |
| 422 | granted = true; |
| 423 | } else { |
| 424 | status = hdd_wmm_acquire_access(pAdapter, ac, &granted); |
| 425 | pAdapter->psbChanged |= (1 << ac); |
| 426 | } |
| 427 | |
| 428 | if (!granted) { |
| 429 | bool isDefaultAc = false; |
| 430 | /* ADDTS request for this AC is sent, for now |
| 431 | * send this packet through next avaiable lower |
| 432 | * Access category until ADDTS negotiation completes. |
| 433 | */ |
| 434 | while (!likely |
| 435 | (pAdapter->hddWmmStatus.wmmAcStatus[ac]. |
| 436 | wmmAcAccessAllowed)) { |
| 437 | switch (ac) { |
| 438 | case SME_AC_VO: |
| 439 | ac = SME_AC_VI; |
| 440 | up = SME_QOS_WMM_UP_VI; |
| 441 | break; |
| 442 | case SME_AC_VI: |
| 443 | ac = SME_AC_BE; |
| 444 | up = SME_QOS_WMM_UP_BE; |
| 445 | break; |
| 446 | case SME_AC_BE: |
| 447 | ac = SME_AC_BK; |
| 448 | up = SME_QOS_WMM_UP_BK; |
| 449 | break; |
| 450 | default: |
| 451 | ac = SME_AC_BK; |
| 452 | up = SME_QOS_WMM_UP_BK; |
| 453 | isDefaultAc = true; |
| 454 | break; |
| 455 | } |
| 456 | if (isDefaultAc) |
| 457 | break; |
| 458 | } |
| 459 | skb->priority = up; |
| 460 | skb->queue_mapping = hdd_linux_up_to_ac_map[up]; |
| 461 | } |
| 462 | |
| 463 | wlan_hdd_log_eapol(skb, |
| 464 | WIFI_EVENT_DRIVER_EAPOL_FRAME_TRANSMIT_REQUESTED); |
| 465 | |
| 466 | #ifdef QCA_PKT_PROTO_TRACE |
| 467 | if ((hddCtxt->config->gEnableDebugLog & CDS_PKT_TRAC_TYPE_EAPOL) || |
| 468 | (hddCtxt->config->gEnableDebugLog & CDS_PKT_TRAC_TYPE_DHCP)) { |
| 469 | proto_type = cds_pkt_get_proto_type(skb, |
| 470 | hddCtxt->config-> |
| 471 | gEnableDebugLog, 0); |
| 472 | if (CDS_PKT_TRAC_TYPE_EAPOL & proto_type) { |
| 473 | cds_pkt_trace_buf_update("ST:T:EPL"); |
| 474 | } else if (CDS_PKT_TRAC_TYPE_DHCP & proto_type) { |
| 475 | cds_pkt_trace_buf_update("ST:T:DHC"); |
| 476 | } |
| 477 | } |
| 478 | #endif /* QCA_PKT_PROTO_TRACE */ |
| 479 | |
| 480 | pAdapter->stats.tx_bytes += skb->len; |
| 481 | ++pAdapter->stats.tx_packets; |
| 482 | |
| 483 | /* Zero out skb's context buffer for the driver to use */ |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 484 | qdf_mem_set(skb->cb, sizeof(skb->cb), 0); |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 485 | QDF_NBUF_CB_TX_PACKET_TRACK(skb) = QDF_NBUF_TX_PKT_DATA_TRACK; |
| 486 | QDF_NBUF_UPDATE_TX_PKT_COUNT(skb, QDF_NBUF_TX_PKT_HDD); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 487 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 488 | qdf_dp_trace_set_track(skb); |
| 489 | DPTRACE(qdf_dp_trace(skb, QDF_DP_TRACE_HDD_PACKET_PTR_RECORD, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 490 | (uint8_t *)skb->data, sizeof(skb->data))); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 491 | DPTRACE(qdf_dp_trace(skb, QDF_DP_TRACE_HDD_PACKET_RECORD, |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 492 | (uint8_t *)skb->data, qdf_nbuf_len(skb))); |
| 493 | if (qdf_nbuf_len(skb) > QDF_DP_TRACE_RECORD_SIZE) |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 494 | DPTRACE(qdf_dp_trace(skb, QDF_DP_TRACE_HDD_PACKET_RECORD, |
| 495 | (uint8_t *)&skb->data[QDF_DP_TRACE_RECORD_SIZE], |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 496 | (qdf_nbuf_len(skb)-QDF_DP_TRACE_RECORD_SIZE))); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 497 | |
Dhanashri Atre | 168d2b4 | 2016-02-22 14:43:06 -0800 | [diff] [blame] | 498 | /* Check if station is connected */ |
Dhanashri Atre | b08959a | 2016-03-01 17:28:03 -0800 | [diff] [blame] | 499 | if (OL_TXRX_PEER_STATE_CONN == |
Dhanashri Atre | 168d2b4 | 2016-02-22 14:43:06 -0800 | [diff] [blame] | 500 | pAdapter->aStaInfo[STAId].tlSTAState) { |
| 501 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 502 | QDF_TRACE_LEVEL_WARN, |
| 503 | "%s: station is not connected..dropping pkt", |
| 504 | __func__); |
| 505 | goto drop_pkt; |
| 506 | } |
| 507 | |
| 508 | #ifdef QCA_PKT_PROTO_TRACE |
| 509 | qdf_nbuf_trace_set_proto_type(skb, proto_type); |
| 510 | #endif |
| 511 | |
| 512 | /* |
| 513 | * If a transmit function is not registered, drop packet |
| 514 | */ |
| 515 | if (!pAdapter->tx_fn) { |
| 516 | QDF_TRACE(QDF_MODULE_ID_HDD_SAP_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| 517 | "%s: TX function not registered by the data path", |
| 518 | __func__); |
| 519 | goto drop_pkt; |
| 520 | } |
| 521 | |
| 522 | if (pAdapter->tx_fn(ol_txrx_get_vdev_by_sta_id(STAId), |
| 523 | (qdf_nbuf_t) skb) != NULL) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 524 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_WARN, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 525 | "%s: Failed to send packet to txrx for staid:%d", |
| 526 | __func__, STAId); |
| 527 | goto drop_pkt; |
| 528 | } |
| 529 | dev->trans_start = jiffies; |
| 530 | |
| 531 | return NETDEV_TX_OK; |
| 532 | |
| 533 | drop_pkt: |
| 534 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 535 | DPTRACE(qdf_dp_trace(skb, QDF_DP_TRACE_DROP_PACKET_RECORD, |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 536 | (uint8_t *)skb->data, qdf_nbuf_len(skb))); |
| 537 | if (qdf_nbuf_len(skb) > QDF_DP_TRACE_RECORD_SIZE) |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 538 | DPTRACE(qdf_dp_trace(skb, QDF_DP_TRACE_DROP_PACKET_RECORD, |
| 539 | (uint8_t *)&skb->data[QDF_DP_TRACE_RECORD_SIZE], |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 540 | (qdf_nbuf_len(skb)-QDF_DP_TRACE_RECORD_SIZE))); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 541 | |
| 542 | ++pAdapter->stats.tx_dropped; |
| 543 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 544 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
| 545 | kfree_skb(skb); |
| 546 | return NETDEV_TX_OK; |
| 547 | } |
| 548 | |
| 549 | /** |
| 550 | * hdd_ibss_get_sta_id() - Get the StationID using the Peer Mac address |
| 551 | * @pHddStaCtx: pointer to HDD Station Context |
| 552 | * @pMacAddress: pointer to Peer Mac address |
| 553 | * @staID: pointer to returned Station Index |
| 554 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 555 | * Return: QDF_STATUS_SUCCESS/QDF_STATUS_E_FAILURE |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 556 | */ |
| 557 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 558 | QDF_STATUS hdd_ibss_get_sta_id(hdd_station_ctx_t *pHddStaCtx, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 559 | struct qdf_mac_addr *pMacAddress, uint8_t *staId) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 560 | { |
| 561 | uint8_t idx; |
| 562 | |
| 563 | for (idx = 0; idx < MAX_IBSS_PEERS; idx++) { |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 564 | if (!qdf_mem_cmp(&pHddStaCtx->conn_info.peerMacAddress[idx], |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 565 | pMacAddress, QDF_MAC_ADDR_SIZE)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 566 | *staId = pHddStaCtx->conn_info.staId[idx]; |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 567 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 568 | } |
| 569 | } |
| 570 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 571 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 572 | } |
| 573 | |
| 574 | /** |
| 575 | * __hdd_tx_timeout() - TX timeout handler |
| 576 | * @dev: pointer to network device |
| 577 | * |
| 578 | * This function is registered as a netdev ndo_tx_timeout method, and |
| 579 | * is invoked by the kernel if the driver takes too long to transmit a |
| 580 | * frame. |
| 581 | * |
| 582 | * Return: None |
| 583 | */ |
| 584 | static void __hdd_tx_timeout(struct net_device *dev) |
| 585 | { |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 586 | hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 587 | hdd_context_t *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 588 | struct netdev_queue *txq; |
| 589 | int i = 0; |
| 590 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 591 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 592 | "%s: Transmission timeout occurred jiffies %lu trans_start %lu", |
| 593 | __func__, jiffies, dev->trans_start); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 594 | DPTRACE(qdf_dp_trace(NULL, QDF_DP_TRACE_HDD_TX_TIMEOUT, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 595 | NULL, 0)); |
| 596 | |
| 597 | /* Getting here implies we disabled the TX queues for too |
| 598 | * long. Queues are disabled either because of disassociation |
| 599 | * or low resource scenarios. In case of disassociation it is |
| 600 | * ok to ignore this. But if associated, we have do possible |
| 601 | * recovery here |
| 602 | */ |
| 603 | |
| 604 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 605 | txq = netdev_get_tx_queue(dev, i); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 606 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 607 | "Queue%d status: %d txq->trans_start %lu", |
| 608 | i, netif_tx_queue_stopped(txq), txq->trans_start); |
| 609 | } |
| 610 | |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 611 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 612 | "carrier state: %d", netif_carrier_ok(dev)); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 613 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 614 | wlan_hdd_display_netif_queue_history(hdd_ctx); |
| 615 | ol_tx_dump_flow_pool_info(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 616 | } |
| 617 | |
| 618 | /** |
| 619 | * hdd_tx_timeout() - Wrapper function to protect __hdd_tx_timeout from SSR |
| 620 | * @dev: pointer to net_device structure |
| 621 | * |
| 622 | * Function called by OS if there is any timeout during transmission. |
| 623 | * Since HDD simply enqueues packet and returns control to OS right away, |
| 624 | * this would never be invoked |
| 625 | * |
| 626 | * Return: none |
| 627 | */ |
| 628 | void hdd_tx_timeout(struct net_device *dev) |
| 629 | { |
| 630 | cds_ssr_protect(__func__); |
| 631 | __hdd_tx_timeout(dev); |
| 632 | cds_ssr_unprotect(__func__); |
| 633 | } |
| 634 | |
| 635 | /** |
| 636 | * @hdd_init_tx_rx() - Initialize Tx/RX module |
| 637 | * @pAdapter: pointer to adapter context |
| 638 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 639 | * Return: QDF_STATUS_E_FAILURE if any errors encountered, |
| 640 | * QDF_STATUS_SUCCESS otherwise |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 641 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 642 | QDF_STATUS hdd_init_tx_rx(hdd_adapter_t *pAdapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 643 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 644 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 645 | |
| 646 | if (NULL == pAdapter) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 647 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 648 | FL("pAdapter is NULL")); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 649 | QDF_ASSERT(0); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 650 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 651 | } |
| 652 | |
| 653 | return status; |
| 654 | } |
| 655 | |
| 656 | /** |
| 657 | * @hdd_deinit_tx_rx() - Deinitialize Tx/RX module |
| 658 | * @pAdapter: pointer to adapter context |
| 659 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 660 | * Return: QDF_STATUS_E_FAILURE if any errors encountered, |
| 661 | * QDF_STATUS_SUCCESS otherwise |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 662 | */ |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 663 | QDF_STATUS hdd_deinit_tx_rx(hdd_adapter_t *pAdapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 664 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 665 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 666 | |
| 667 | if (NULL == pAdapter) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 668 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 669 | FL("pAdapter is NULL")); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 670 | QDF_ASSERT(0); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 671 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 672 | } |
| 673 | |
| 674 | return status; |
| 675 | } |
| 676 | |
| 677 | /** |
| 678 | * hdd_rx_packet_cbk() - Receive packet handler |
Dhanashri Atre | 182b027 | 2016-02-17 15:35:07 -0800 | [diff] [blame] | 679 | * @context: pointer to HDD context |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 680 | * @rxBuf: pointer to rx qdf_nbuf |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 681 | * |
| 682 | * Receive callback registered with TL. TL will call this to notify |
| 683 | * the HDD when one or more packets were received for a registered |
| 684 | * STA. |
| 685 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 686 | * Return: QDF_STATUS_E_FAILURE if any errors encountered, |
| 687 | * QDF_STATUS_SUCCESS otherwise |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 688 | */ |
Dhanashri Atre | 182b027 | 2016-02-17 15:35:07 -0800 | [diff] [blame] | 689 | QDF_STATUS hdd_rx_packet_cbk(void *context, qdf_nbuf_t rxBuf) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 690 | { |
| 691 | hdd_adapter_t *pAdapter = NULL; |
| 692 | hdd_context_t *pHddCtx = NULL; |
| 693 | int rxstat; |
| 694 | struct sk_buff *skb = NULL; |
| 695 | #ifdef QCA_PKT_PROTO_TRACE |
| 696 | uint8_t proto_type; |
| 697 | #endif /* QCA_PKT_PROTO_TRACE */ |
| 698 | hdd_station_ctx_t *pHddStaCtx = NULL; |
| 699 | unsigned int cpu_index; |
| 700 | |
| 701 | /* Sanity check on inputs */ |
Dhanashri Atre | 182b027 | 2016-02-17 15:35:07 -0800 | [diff] [blame] | 702 | if (unlikely((NULL == context) || (NULL == rxBuf))) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 703 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 704 | "%s: Null params being passed", __func__); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 705 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 706 | } |
| 707 | |
Dhanashri Atre | 182b027 | 2016-02-17 15:35:07 -0800 | [diff] [blame] | 708 | pAdapter = (hdd_adapter_t *)context; |
| 709 | if (unlikely(WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 710 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_FATAL, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 711 | "Magic cookie(%x) for adapter sanity verification is invalid", |
| 712 | pAdapter->magic); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 713 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 714 | } |
| 715 | |
Dhanashri Atre | 182b027 | 2016-02-17 15:35:07 -0800 | [diff] [blame] | 716 | pHddCtx = pAdapter->pHddCtx; |
| 717 | if (unlikely(NULL == pHddCtx)) { |
| 718 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| 719 | "%s: HDD context is Null", __func__); |
| 720 | return QDF_STATUS_E_FAILURE; |
| 721 | } |
| 722 | |
| 723 | cpu_index = wlan_hdd_get_cpu(); |
| 724 | |
| 725 | skb = (struct sk_buff *)rxBuf; |
| 726 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 727 | pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter); |
| 728 | if ((pHddStaCtx->conn_info.proxyARPService) && |
| 729 | cfg80211_is_gratuitous_arp_unsolicited_na(skb)) { |
| 730 | ++pAdapter->hdd_stats.hddTxRxStats.rxDropped[cpu_index]; |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 731 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 732 | "%s: Dropping HS 2.0 Gratuitous ARP or Unsolicited NA", |
| 733 | __func__); |
| 734 | /* Remove SKB from internal tracking table before submitting |
| 735 | * it to stack |
| 736 | */ |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 737 | qdf_nbuf_free(skb); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 738 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 739 | } |
| 740 | |
| 741 | wlan_hdd_log_eapol(skb, WIFI_EVENT_DRIVER_EAPOL_FRAME_RECEIVED); |
| 742 | |
| 743 | #ifdef QCA_PKT_PROTO_TRACE |
| 744 | if ((pHddCtx->config->gEnableDebugLog & CDS_PKT_TRAC_TYPE_EAPOL) || |
| 745 | (pHddCtx->config->gEnableDebugLog & CDS_PKT_TRAC_TYPE_DHCP)) { |
| 746 | proto_type = cds_pkt_get_proto_type(skb, |
| 747 | pHddCtx->config-> |
| 748 | gEnableDebugLog, 0); |
| 749 | if (CDS_PKT_TRAC_TYPE_EAPOL & proto_type) { |
| 750 | cds_pkt_trace_buf_update("ST:R:EPL"); |
| 751 | } else if (CDS_PKT_TRAC_TYPE_DHCP & proto_type) { |
| 752 | cds_pkt_trace_buf_update("ST:R:DHC"); |
| 753 | } |
| 754 | } |
| 755 | #endif /* QCA_PKT_PROTO_TRACE */ |
| 756 | |
| 757 | skb->dev = pAdapter->dev; |
| 758 | skb->protocol = eth_type_trans(skb, skb->dev); |
| 759 | ++pAdapter->hdd_stats.hddTxRxStats.rxPackets[cpu_index]; |
| 760 | ++pAdapter->stats.rx_packets; |
| 761 | pAdapter->stats.rx_bytes += skb->len; |
| 762 | #ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK |
Anurag Chouhan | a37b5b7 | 2016-02-21 14:53:42 +0530 | [diff] [blame] | 763 | qdf_wake_lock_timeout_acquire(&pHddCtx->rx_wake_lock, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 764 | HDD_WAKE_LOCK_DURATION, |
| 765 | WIFI_POWER_EVENT_WAKELOCK_HOLD_RX); |
| 766 | #endif |
| 767 | |
| 768 | /* Remove SKB from internal tracking table before submitting |
| 769 | * it to stack |
| 770 | */ |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 771 | qdf_net_buf_debug_release_skb(rxBuf); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 772 | |
| 773 | if (HDD_LRO_NO_RX == |
| 774 | hdd_lro_rx(pHddCtx, pAdapter, skb)) { |
Orhan K AKYILDIZ | 4f20db5 | 2015-12-30 12:35:44 -0800 | [diff] [blame] | 775 | if (hdd_napi_enabled(HDD_NAPI_ANY) && |
| 776 | !pHddCtx->config->enableRxThread) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 777 | rxstat = netif_receive_skb(skb); |
| 778 | else |
| 779 | rxstat = netif_rx_ni(skb); |
| 780 | |
| 781 | if (NET_RX_SUCCESS == rxstat) |
| 782 | ++pAdapter->hdd_stats.hddTxRxStats. |
| 783 | rxDelivered[cpu_index]; |
| 784 | else |
| 785 | ++pAdapter->hdd_stats.hddTxRxStats. |
| 786 | rxRefused[cpu_index]; |
| 787 | |
| 788 | } else { |
| 789 | ++pAdapter->hdd_stats.hddTxRxStats. |
| 790 | rxDelivered[cpu_index]; |
| 791 | } |
| 792 | |
| 793 | pAdapter->dev->last_rx = jiffies; |
| 794 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 795 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 796 | } |
| 797 | |
| 798 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| 799 | |
| 800 | /** |
| 801 | * wlan_hdd_get_eapol_params() - Function to extract EAPOL params |
| 802 | * @skb: sbb data |
| 803 | * @eapol_params: Pointer to hold the parsed EAPOL params |
| 804 | * @event_type: Event type to indicate Tx/Rx |
| 805 | * |
| 806 | * This function parses the input skb data and return the EAPOL parameters if |
| 807 | * the packet is an eapol packet. |
| 808 | * |
| 809 | * Return: -EINVAL if the packet is not an EAPOL packet and 0 on success |
| 810 | * |
| 811 | */ |
| 812 | static int wlan_hdd_get_eapol_params(struct sk_buff *skb, |
| 813 | struct host_event_wlan_eapol *eapol_params, |
| 814 | uint8_t event_type) |
| 815 | { |
| 816 | bool ret; |
| 817 | uint8_t packet_type; |
| 818 | |
| 819 | ret = wlan_hdd_is_eapol(skb); |
| 820 | |
| 821 | if (!ret) |
| 822 | return -EINVAL; |
| 823 | |
| 824 | packet_type = (uint8_t)(*(uint8_t *) |
| 825 | (skb->data + HDD_EAPOL_PACKET_TYPE_OFFSET)); |
| 826 | |
| 827 | eapol_params->eapol_packet_type = packet_type; |
| 828 | eapol_params->eapol_key_info = (uint16_t)(*(uint16_t *) |
| 829 | (skb->data + HDD_EAPOL_KEY_INFO_OFFSET)); |
| 830 | eapol_params->event_sub_type = event_type; |
| 831 | eapol_params->eapol_rate = 0;/* As of now, zero */ |
| 832 | |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 833 | qdf_mem_copy(eapol_params->dest_addr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 834 | (skb->data + HDD_EAPOL_DEST_MAC_OFFSET), |
| 835 | sizeof(eapol_params->dest_addr)); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 836 | qdf_mem_copy(eapol_params->src_addr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 837 | (skb->data + HDD_EAPOL_SRC_MAC_OFFSET), |
| 838 | sizeof(eapol_params->src_addr)); |
| 839 | return 0; |
| 840 | } |
| 841 | |
| 842 | /** |
| 843 | * wlan_hdd_event_eapol_log() - Function to log EAPOL events |
| 844 | * @eapol_params: Structure containing EAPOL params |
| 845 | * |
| 846 | * This function logs the parsed EAPOL params |
| 847 | * |
| 848 | * Return: None |
| 849 | * |
| 850 | */ |
| 851 | static void wlan_hdd_event_eapol_log(struct host_event_wlan_eapol eapol_params) |
| 852 | { |
| 853 | WLAN_HOST_DIAG_EVENT_DEF(wlan_diag_event, struct host_event_wlan_eapol); |
| 854 | |
| 855 | wlan_diag_event.event_sub_type = eapol_params.event_sub_type; |
| 856 | wlan_diag_event.eapol_packet_type = eapol_params.eapol_packet_type; |
| 857 | wlan_diag_event.eapol_key_info = eapol_params.eapol_key_info; |
| 858 | wlan_diag_event.eapol_rate = eapol_params.eapol_rate; |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 859 | qdf_mem_copy(wlan_diag_event.dest_addr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 860 | eapol_params.dest_addr, |
| 861 | sizeof(wlan_diag_event.dest_addr)); |
Anurag Chouhan | 600c3a0 | 2016-03-01 10:33:54 +0530 | [diff] [blame] | 862 | qdf_mem_copy(wlan_diag_event.src_addr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 863 | eapol_params.src_addr, |
| 864 | sizeof(wlan_diag_event.src_addr)); |
| 865 | |
| 866 | WLAN_HOST_DIAG_EVENT_REPORT(&wlan_diag_event, EVENT_WLAN_EAPOL); |
| 867 | } |
| 868 | |
| 869 | /** |
| 870 | * wlan_hdd_log_eapol() - Logs the EAPOL parameters of a packet |
| 871 | * @skb: skb data |
| 872 | * @event_type: One of enum wifi_connectivity_events to indicate Tx/Rx |
| 873 | * |
| 874 | * This function parses the input skb data to get the EAPOL params and log |
| 875 | * them to user space, if the packet is EAPOL |
| 876 | * |
| 877 | * Return: None |
| 878 | * |
| 879 | */ |
| 880 | void wlan_hdd_log_eapol(struct sk_buff *skb, |
| 881 | uint8_t event_type) |
| 882 | { |
| 883 | int ret; |
| 884 | struct host_event_wlan_eapol eapol_params; |
Gupta, Kapil | 3e61707 | 2016-02-08 16:58:00 +0530 | [diff] [blame] | 885 | uint16_t key_info; |
| 886 | const char *packet_type = "UND"; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 887 | |
| 888 | ret = wlan_hdd_get_eapol_params(skb, &eapol_params, event_type); |
| 889 | if (!ret) |
Gupta, Kapil | 3e61707 | 2016-02-08 16:58:00 +0530 | [diff] [blame] | 890 | return; |
| 891 | |
| 892 | wlan_hdd_event_eapol_log(eapol_params); |
| 893 | key_info = eapol_params.eapol_key_info & EAPOL_MASK; |
| 894 | if (key_info == EAPOL_M1_BIT_MASK) |
| 895 | packet_type = "M1"; |
| 896 | else if (key_info == EAPOL_M2_BIT_MASK) |
| 897 | packet_type = "M2"; |
| 898 | else if (key_info == EAPOL_M3_BIT_MASK) |
| 899 | packet_type = "M3"; |
| 900 | else if (key_info == EAPOL_M4_BIT_MASK) |
| 901 | packet_type = "M4"; |
| 902 | |
| 903 | hdd_notice("%s: %s packet", eapol_params.event_sub_type == |
| 904 | WIFI_EVENT_DRIVER_EAPOL_FRAME_RECEIVED ? |
| 905 | "RX" : "TX", packet_type); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 906 | } |
| 907 | #endif /* FEATURE_WLAN_DIAG_SUPPORT */ |
| 908 | |
| 909 | /** |
| 910 | * hdd_reason_type_to_string() - return string conversion of reason type |
| 911 | * @reason: reason type |
| 912 | * |
| 913 | * This utility function helps log string conversion of reason type. |
| 914 | * |
| 915 | * Return: string conversion of device mode, if match found; |
| 916 | * "Unknown" otherwise. |
| 917 | */ |
| 918 | const char *hdd_reason_type_to_string(enum netif_reason_type reason) |
| 919 | { |
| 920 | switch (reason) { |
| 921 | CASE_RETURN_STRING(WLAN_CONTROL_PATH); |
| 922 | CASE_RETURN_STRING(WLAN_DATA_FLOW_CONTROL); |
| 923 | CASE_RETURN_STRING(WLAN_FW_PAUSE); |
| 924 | CASE_RETURN_STRING(WLAN_TX_ABORT); |
| 925 | CASE_RETURN_STRING(WLAN_VDEV_STOP); |
| 926 | CASE_RETURN_STRING(WLAN_PEER_UNAUTHORISED); |
| 927 | CASE_RETURN_STRING(WLAN_THERMAL_MITIGATION); |
| 928 | default: |
| 929 | return "Unknown"; |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | /** |
| 934 | * hdd_action_type_to_string() - return string conversion of action type |
| 935 | * @action: action type |
| 936 | * |
| 937 | * This utility function helps log string conversion of action_type. |
| 938 | * |
| 939 | * Return: string conversion of device mode, if match found; |
| 940 | * "Unknown" otherwise. |
| 941 | */ |
| 942 | const char *hdd_action_type_to_string(enum netif_action_type action) |
| 943 | { |
| 944 | |
| 945 | switch (action) { |
| 946 | CASE_RETURN_STRING(WLAN_STOP_ALL_NETIF_QUEUE); |
| 947 | CASE_RETURN_STRING(WLAN_START_ALL_NETIF_QUEUE); |
| 948 | CASE_RETURN_STRING(WLAN_WAKE_ALL_NETIF_QUEUE); |
| 949 | CASE_RETURN_STRING(WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER); |
| 950 | CASE_RETURN_STRING(WLAN_START_ALL_NETIF_QUEUE_N_CARRIER); |
| 951 | CASE_RETURN_STRING(WLAN_NETIF_TX_DISABLE); |
| 952 | CASE_RETURN_STRING(WLAN_NETIF_TX_DISABLE_N_CARRIER); |
| 953 | CASE_RETURN_STRING(WLAN_NETIF_CARRIER_ON); |
| 954 | CASE_RETURN_STRING(WLAN_NETIF_CARRIER_OFF); |
| 955 | default: |
| 956 | return "Unknown"; |
| 957 | } |
| 958 | } |
| 959 | |
| 960 | /** |
| 961 | * wlan_hdd_update_queue_oper_stats - update queue operation statistics |
| 962 | * @adapter: adapter handle |
| 963 | * @action: action type |
| 964 | * @reason: reason type |
| 965 | */ |
| 966 | static void wlan_hdd_update_queue_oper_stats(hdd_adapter_t *adapter, |
| 967 | enum netif_action_type action, enum netif_reason_type reason) |
| 968 | { |
| 969 | switch (action) { |
| 970 | case WLAN_STOP_ALL_NETIF_QUEUE: |
| 971 | case WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER: |
| 972 | case WLAN_NETIF_TX_DISABLE: |
| 973 | case WLAN_NETIF_TX_DISABLE_N_CARRIER: |
| 974 | adapter->queue_oper_stats[reason].pause_count++; |
| 975 | break; |
| 976 | case WLAN_START_ALL_NETIF_QUEUE: |
| 977 | case WLAN_WAKE_ALL_NETIF_QUEUE: |
| 978 | case WLAN_START_ALL_NETIF_QUEUE_N_CARRIER: |
| 979 | adapter->queue_oper_stats[reason].unpause_count++; |
| 980 | break; |
| 981 | default: |
| 982 | break; |
| 983 | } |
| 984 | |
| 985 | return; |
| 986 | } |
| 987 | |
| 988 | /** |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 989 | * wlan_hdd_update_txq_timestamp() - update txq timestamp |
| 990 | * @dev: net device |
| 991 | * |
| 992 | * Return: none |
| 993 | */ |
| 994 | void wlan_hdd_update_txq_timestamp(struct net_device *dev) |
| 995 | { |
| 996 | struct netdev_queue *txq; |
| 997 | int i; |
| 998 | bool unlock; |
| 999 | |
| 1000 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 1001 | txq = netdev_get_tx_queue(dev, i); |
| 1002 | unlock = __netif_tx_trylock(txq); |
| 1003 | txq_trans_update(txq); |
| 1004 | if (unlock == true) |
| 1005 | __netif_tx_unlock(txq); |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1010 | * wlan_hdd_netif_queue_control() - Use for netif_queue related actions |
| 1011 | * @adapter: adapter handle |
| 1012 | * @action: action type |
| 1013 | * @reason: reason type |
| 1014 | * |
| 1015 | * This is single function which is used for netif_queue related |
| 1016 | * actions like start/stop of network queues and on/off carrier |
| 1017 | * option. |
| 1018 | * |
| 1019 | * Return: None |
| 1020 | */ |
| 1021 | void wlan_hdd_netif_queue_control(hdd_adapter_t *adapter, |
| 1022 | enum netif_action_type action, enum netif_reason_type reason) |
| 1023 | { |
| 1024 | |
| 1025 | if ((!adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic) || |
| 1026 | (!adapter->dev)) { |
| 1027 | hdd_err("adapter is invalid"); |
| 1028 | return; |
| 1029 | } |
| 1030 | |
| 1031 | switch (action) { |
| 1032 | |
| 1033 | case WLAN_NETIF_CARRIER_ON: |
| 1034 | netif_carrier_on(adapter->dev); |
| 1035 | break; |
| 1036 | |
| 1037 | case WLAN_NETIF_CARRIER_OFF: |
| 1038 | netif_carrier_off(adapter->dev); |
| 1039 | break; |
| 1040 | |
| 1041 | case WLAN_STOP_ALL_NETIF_QUEUE: |
| 1042 | spin_lock_bh(&adapter->pause_map_lock); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 1043 | if (!adapter->pause_map) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1044 | netif_tx_stop_all_queues(adapter->dev); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 1045 | wlan_hdd_update_txq_timestamp(adapter->dev); |
| 1046 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1047 | adapter->pause_map |= (1 << reason); |
| 1048 | spin_unlock_bh(&adapter->pause_map_lock); |
| 1049 | break; |
| 1050 | |
| 1051 | case WLAN_START_ALL_NETIF_QUEUE: |
| 1052 | spin_lock_bh(&adapter->pause_map_lock); |
| 1053 | adapter->pause_map &= ~(1 << reason); |
| 1054 | if (!adapter->pause_map) |
| 1055 | netif_tx_start_all_queues(adapter->dev); |
| 1056 | spin_unlock_bh(&adapter->pause_map_lock); |
| 1057 | break; |
| 1058 | |
| 1059 | case WLAN_WAKE_ALL_NETIF_QUEUE: |
| 1060 | spin_lock_bh(&adapter->pause_map_lock); |
| 1061 | adapter->pause_map &= ~(1 << reason); |
| 1062 | if (!adapter->pause_map) |
| 1063 | netif_tx_wake_all_queues(adapter->dev); |
| 1064 | spin_unlock_bh(&adapter->pause_map_lock); |
| 1065 | break; |
| 1066 | |
| 1067 | case WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER: |
| 1068 | spin_lock_bh(&adapter->pause_map_lock); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 1069 | if (!adapter->pause_map) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1070 | netif_tx_stop_all_queues(adapter->dev); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 1071 | wlan_hdd_update_txq_timestamp(adapter->dev); |
| 1072 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1073 | adapter->pause_map |= (1 << reason); |
| 1074 | netif_carrier_off(adapter->dev); |
| 1075 | spin_unlock_bh(&adapter->pause_map_lock); |
| 1076 | break; |
| 1077 | |
| 1078 | case WLAN_START_ALL_NETIF_QUEUE_N_CARRIER: |
| 1079 | spin_lock_bh(&adapter->pause_map_lock); |
| 1080 | netif_carrier_on(adapter->dev); |
| 1081 | adapter->pause_map &= ~(1 << reason); |
| 1082 | if (!adapter->pause_map) |
| 1083 | netif_tx_start_all_queues(adapter->dev); |
| 1084 | spin_unlock_bh(&adapter->pause_map_lock); |
| 1085 | break; |
| 1086 | |
| 1087 | case WLAN_NETIF_TX_DISABLE: |
| 1088 | spin_lock_bh(&adapter->pause_map_lock); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 1089 | if (!adapter->pause_map) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1090 | netif_tx_disable(adapter->dev); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 1091 | wlan_hdd_update_txq_timestamp(adapter->dev); |
| 1092 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1093 | adapter->pause_map |= (1 << reason); |
| 1094 | spin_unlock_bh(&adapter->pause_map_lock); |
| 1095 | break; |
| 1096 | |
| 1097 | case WLAN_NETIF_TX_DISABLE_N_CARRIER: |
| 1098 | spin_lock_bh(&adapter->pause_map_lock); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 1099 | if (!adapter->pause_map) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1100 | netif_tx_disable(adapter->dev); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame^] | 1101 | wlan_hdd_update_txq_timestamp(adapter->dev); |
| 1102 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1103 | adapter->pause_map |= (1 << reason); |
| 1104 | netif_carrier_off(adapter->dev); |
| 1105 | spin_unlock_bh(&adapter->pause_map_lock); |
| 1106 | break; |
| 1107 | |
| 1108 | default: |
| 1109 | hdd_err("unsupported action %d", action); |
| 1110 | } |
| 1111 | |
| 1112 | spin_lock_bh(&adapter->pause_map_lock); |
| 1113 | if (adapter->pause_map & (1 << WLAN_PEER_UNAUTHORISED)) |
| 1114 | wlan_hdd_process_peer_unauthorised_pause(adapter); |
| 1115 | spin_unlock_bh(&adapter->pause_map_lock); |
| 1116 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1117 | wlan_hdd_update_queue_oper_stats(adapter, action, reason); |
| 1118 | |
| 1119 | adapter->queue_oper_history[adapter->history_index].time = |
Anurag Chouhan | 50220ce | 2016-02-18 20:11:33 +0530 | [diff] [blame] | 1120 | qdf_system_ticks(); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1121 | adapter->queue_oper_history[adapter->history_index].netif_action = |
| 1122 | action; |
| 1123 | adapter->queue_oper_history[adapter->history_index].netif_reason = |
| 1124 | reason; |
| 1125 | adapter->queue_oper_history[adapter->history_index].pause_map = |
| 1126 | adapter->pause_map; |
| 1127 | if (++adapter->history_index == WLAN_HDD_MAX_HISTORY_ENTRY) |
| 1128 | adapter->history_index = 0; |
| 1129 | |
| 1130 | return; |
| 1131 | } |
| 1132 | |