Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
Gopichand Nakkala | 92f07d8 | 2013-01-08 21:16:34 -0800 | [diff] [blame] | 2 | * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. |
| 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 | /* |
Jeff Johnson | 32d95a3 | 2012-09-10 13:15:23 -0700 | [diff] [blame] | 22 | * Copyright (c) 2012, The Linux Foundation. All rights reserved. |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 23 | * |
| 24 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 25 | * |
| 26 | * |
| 27 | * Permission to use, copy, modify, and/or distribute this software for |
| 28 | * any purpose with or without fee is hereby granted, provided that the |
| 29 | * above copyright notice and this permission notice appear in all |
| 30 | * copies. |
| 31 | * |
| 32 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 33 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 34 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 35 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 36 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 37 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 38 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 39 | * PERFORMANCE OF THIS SOFTWARE. |
| 40 | */ |
| 41 | |
| 42 | /**=========================================================================== |
| 43 | |
| 44 | \file wlan_hdd_softap_tx_rx.c |
| 45 | |
| 46 | \brief Linux HDD Tx/RX APIs |
| 47 | Copyright 2008 (c) Qualcomm, Incorporated. |
| 48 | All Rights Reserved. |
| 49 | Qualcomm Confidential and Proprietary. |
| 50 | |
| 51 | ==========================================================================*/ |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 52 | |
| 53 | /*--------------------------------------------------------------------------- |
| 54 | Include files |
| 55 | -------------------------------------------------------------------------*/ |
| 56 | #include <linux/semaphore.h> |
| 57 | #include <wlan_hdd_tx_rx.h> |
| 58 | #include <wlan_hdd_softap_tx_rx.h> |
| 59 | #include <wlan_hdd_dp_utils.h> |
| 60 | #include <wlan_qct_tl.h> |
| 61 | #include <linux/netdevice.h> |
| 62 | #include <linux/skbuff.h> |
| 63 | #include <linux/etherdevice.h> |
| 64 | //#include <vos_list.h> |
| 65 | #include <vos_types.h> |
| 66 | #include <aniGlobal.h> |
| 67 | #include <halTypes.h> |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 68 | #include <net/ieee80211_radiotap.h> |
| 69 | |
| 70 | |
| 71 | /*--------------------------------------------------------------------------- |
| 72 | Preprocessor definitions and constants |
| 73 | -------------------------------------------------------------------------*/ |
| 74 | |
| 75 | /*--------------------------------------------------------------------------- |
| 76 | Type declarations |
| 77 | -------------------------------------------------------------------------*/ |
| 78 | |
| 79 | /*--------------------------------------------------------------------------- |
| 80 | Function definitions and documenation |
| 81 | -------------------------------------------------------------------------*/ |
| 82 | #if 0 |
| 83 | static void hdd_softap_dump_sk_buff(struct sk_buff * skb) |
| 84 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 85 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: head = %p ", __func__, skb->head); |
| 86 | //VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: data = %p ", __func__, skb->data); |
| 87 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: tail = %p ", __func__, skb->tail); |
| 88 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: end = %p ", __func__, skb->end); |
| 89 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: len = %d ", __func__, skb->len); |
| 90 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: data_len = %d ", __func__, skb->data_len); |
| 91 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: mac_len = %d\n", __func__, skb->mac_len); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 92 | |
| 93 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x ", |
| 94 | skb->data[0], skb->data[1], skb->data[2], skb->data[3], skb->data[4], |
| 95 | skb->data[5], skb->data[6], skb->data[7]); |
| 96 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x \n", |
| 97 | skb->data[8], skb->data[9], skb->data[10], skb->data[11], skb->data[12], |
| 98 | skb->data[13], skb->data[14], skb->data[15]); |
| 99 | } |
| 100 | #endif |
Leo Chang | 64d68bc | 2013-06-04 15:40:52 -0700 | [diff] [blame^] | 101 | |
| 102 | extern void hdd_set_wlan_suspend_mode(bool suspend); |
| 103 | |
| 104 | /**============================================================================ |
| 105 | @brief hdd_softap_traffic_monitor_timeout_handler() - |
| 106 | SAP/P2P GO traffin monitor timeout handler function |
| 107 | If no traffic during programmed time, trigger suspand mode |
| 108 | |
| 109 | @param pUsrData : [in] pointer to hdd context |
| 110 | @return : NONE |
| 111 | ===========================================================================*/ |
| 112 | void hdd_softap_traffic_monitor_timeout_handler( void *pUsrData ) |
| 113 | { |
| 114 | hdd_context_t *pHddCtx = (hdd_context_t *)pUsrData; |
| 115 | v_TIME_t currentTS; |
| 116 | |
| 117 | if (NULL == pHddCtx) |
| 118 | { |
| 119 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
| 120 | "%s: Invalid user data, context", __func__); |
| 121 | return; |
| 122 | } |
| 123 | |
| 124 | currentTS = vos_timer_get_system_time(); |
| 125 | if (pHddCtx->cfg_ini->trafficIdleTimeout < |
| 126 | (currentTS - pHddCtx->traffic_monitor.lastFrameTs)) |
| 127 | { |
| 128 | hdd_set_wlan_suspend_mode(1); |
| 129 | atomic_set(&pHddCtx->traffic_monitor.isActiveMode, 0); |
| 130 | } |
| 131 | else |
| 132 | { |
| 133 | vos_timer_start(&pHddCtx->traffic_monitor.trafficTimer, |
| 134 | pHddCtx->cfg_ini->trafficIdleTimeout); |
| 135 | } |
| 136 | |
| 137 | return; |
| 138 | } |
| 139 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 140 | /**============================================================================ |
| 141 | @brief hdd_softap_flush_tx_queues() - Utility function to flush the TX queues |
| 142 | |
| 143 | @param pAdapter : [in] pointer to adapter context |
| 144 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 145 | : VOS_STATUS_SUCCESS otherwise |
| 146 | ===========================================================================*/ |
| 147 | static VOS_STATUS hdd_softap_flush_tx_queues( hdd_adapter_t *pAdapter ) |
| 148 | { |
| 149 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 150 | v_SINT_t i = -1; |
| 151 | v_U8_t STAId = 0; |
| 152 | hdd_list_node_t *anchor = NULL; |
| 153 | skb_list_node_t *pktNode = NULL; |
| 154 | struct sk_buff *skb = NULL; |
| 155 | |
| 156 | spin_lock_bh( &pAdapter->staInfo_lock ); |
| 157 | for (STAId = 0; STAId < WLAN_MAX_STA_COUNT; STAId++) |
| 158 | { |
| 159 | if (FALSE == pAdapter->aStaInfo[STAId].isUsed) |
| 160 | { |
| 161 | continue; |
| 162 | } |
| 163 | |
| 164 | for (i = 0; i < NUM_TX_QUEUES; i ++) |
| 165 | { |
| 166 | spin_lock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[i].lock); |
| 167 | while (true) |
| 168 | { |
| 169 | status = hdd_list_remove_front ( &pAdapter->aStaInfo[STAId].wmm_tx_queue[i], &anchor); |
| 170 | |
| 171 | if (VOS_STATUS_E_EMPTY != status) |
| 172 | { |
| 173 | //If success then we got a valid packet from some AC |
| 174 | pktNode = list_entry(anchor, skb_list_node_t, anchor); |
| 175 | skb = pktNode->skb; |
| 176 | ++pAdapter->stats.tx_dropped; |
| 177 | ++pAdapter->hdd_stats.hddTxRxStats.txFlushed; |
| 178 | ++pAdapter->hdd_stats.hddTxRxStats.txFlushedAC[i]; |
| 179 | kfree_skb(skb); |
| 180 | continue; |
| 181 | } |
| 182 | |
| 183 | //current list is empty |
| 184 | break; |
| 185 | } |
| 186 | pAdapter->aStaInfo[STAId].txSuspended[i] = VOS_FALSE; |
| 187 | spin_unlock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[i].lock); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | spin_unlock_bh( &pAdapter->staInfo_lock ); |
| 192 | |
| 193 | return status; |
| 194 | } |
| 195 | |
| 196 | /**============================================================================ |
| 197 | @brief hdd_softap_hard_start_xmit() - Function registered with the Linux OS for |
| 198 | transmitting packets. There are 2 versions of this function. One that uses |
| 199 | locked queue and other that uses lockless queues. Both have been retained to |
| 200 | do some performance testing |
| 201 | |
| 202 | @param skb : [in] pointer to OS packet (sk_buff) |
| 203 | @param dev : [in] pointer to Libra network device |
| 204 | |
| 205 | @return : NET_XMIT_DROP if packets are dropped |
| 206 | : NET_XMIT_SUCCESS if packet is enqueued succesfully |
| 207 | ===========================================================================*/ |
| 208 | int hdd_softap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| 209 | { |
| 210 | VOS_STATUS status; |
| 211 | WLANTL_ACEnumType ac = WLANTL_AC_BE; |
| 212 | sme_QosWmmUpType up = SME_QOS_WMM_UP_BE; |
| 213 | skb_list_node_t *pktNode = NULL; |
| 214 | v_SIZE_t pktListSize = 0; |
| 215 | v_BOOL_t txSuspended = VOS_FALSE; |
| 216 | hdd_adapter_t *pAdapter = (hdd_adapter_t *)netdev_priv(dev); |
| 217 | hdd_ap_ctx_t *pHddApCtx = WLAN_HDD_GET_AP_CTX_PTR(pAdapter); |
| 218 | vos_list_node_t *anchor = NULL; |
| 219 | v_U8_t STAId = WLAN_MAX_STA_COUNT; |
| 220 | //Extract the destination address from ethernet frame |
| 221 | v_MACADDR_t *pDestMacAddress = (v_MACADDR_t*)skb->data; |
| 222 | int os_status = NETDEV_TX_OK; |
| 223 | |
| 224 | pDestMacAddress = (v_MACADDR_t*)skb->data; |
| 225 | |
| 226 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitCalled; |
| 227 | |
| 228 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 229 | "%s: enter", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 230 | |
| 231 | spin_lock_bh( &pAdapter->staInfo_lock ); |
| 232 | if (vos_is_macaddr_broadcast( pDestMacAddress ) || vos_is_macaddr_group(pDestMacAddress)) |
| 233 | { |
| 234 | //The BC/MC station ID is assigned during BSS starting phase. SAP will return the station |
| 235 | //ID used for BC/MC traffic. The station id is registered to TL as well. |
| 236 | STAId = pHddApCtx->uBCStaId; |
| 237 | |
| 238 | /* Setting priority for broadcast packets which doesn't go to select_queue function */ |
| 239 | skb->priority = SME_QOS_WMM_UP_BE; |
| 240 | skb->queue_mapping = HDD_LINUX_AC_BE; |
| 241 | |
| 242 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 243 | "%s: BC/MC packet\n", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 244 | } |
| 245 | else |
| 246 | { |
| 247 | STAId = *(v_U8_t *)(((v_U8_t *)(skb->data)) - 1); |
| 248 | if (STAId == HDD_WLAN_INVALID_STA_ID) |
| 249 | { |
Madan Mohan Koyyalamudi | 60a6a8d | 2012-10-21 11:57:42 -0700 | [diff] [blame] | 250 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 251 | "%s: Failed to find right station", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 252 | ++pAdapter->stats.tx_dropped; |
| 253 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 254 | kfree_skb(skb); |
| 255 | goto xmit_done; |
| 256 | } |
| 257 | else if (FALSE == pAdapter->aStaInfo[STAId].isUsed ) |
| 258 | { |
Gopichand Nakkala | 66c0bd0 | 2013-04-10 11:36:29 +0530 | [diff] [blame] | 259 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN,"%s: STA %d is unregistered", __func__, STAId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 260 | ++pAdapter->stats.tx_dropped; |
| 261 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 262 | kfree_skb(skb); |
| 263 | goto xmit_done; |
| 264 | } |
| 265 | |
| 266 | if ( (WLANTL_STA_CONNECTED != pAdapter->aStaInfo[STAId].tlSTAState) && |
| 267 | (WLANTL_STA_AUTHENTICATED != pAdapter->aStaInfo[STAId].tlSTAState) ) |
| 268 | { |
Madan Mohan Koyyalamudi | 60a6a8d | 2012-10-21 11:57:42 -0700 | [diff] [blame] | 269 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 270 | "%s: Station not connected yet", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 271 | ++pAdapter->stats.tx_dropped; |
| 272 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 273 | kfree_skb(skb); |
| 274 | goto xmit_done; |
| 275 | } |
| 276 | else if(WLANTL_STA_CONNECTED == pAdapter->aStaInfo[STAId].tlSTAState) |
| 277 | { |
| 278 | if(ntohs(skb->protocol) != HDD_ETHERTYPE_802_1_X) |
| 279 | { |
Madan Mohan Koyyalamudi | 60a6a8d | 2012-10-21 11:57:42 -0700 | [diff] [blame] | 280 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 281 | "%s: NON-EAPOL packet in non-Authenticated state", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 282 | ++pAdapter->stats.tx_dropped; |
| 283 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 284 | kfree_skb(skb); |
| 285 | goto xmit_done; |
| 286 | } |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | //Get TL AC corresponding to Qdisc queue index/AC. |
| 291 | ac = hdd_QdiscAcToTlAC[skb->queue_mapping]; |
| 292 | //user priority from IP header, which is already extracted and set from |
| 293 | //select_queue call back function |
| 294 | up = skb->priority; |
| 295 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[ac]; |
| 296 | |
| 297 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 298 | "%s: Classified as ac %d up %d", __func__, ac, up); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 299 | |
| 300 | // If the memory differentiation mode is enabled, the memory limit of each queue will be |
| 301 | // checked. Over-limit packets will be dropped. |
| 302 | spin_lock(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 303 | hdd_list_size(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac], &pktListSize); |
| 304 | if(pktListSize >= pAdapter->aTxQueueLimit[ac]) |
| 305 | { |
Madan Mohan Koyyalamudi | 60a6a8d | 2012-10-21 11:57:42 -0700 | [diff] [blame] | 306 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 307 | "%s: station %d ac %d queue over limit %d \n", __func__, STAId, ac, pktListSize); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 308 | pAdapter->aStaInfo[STAId].txSuspended[ac] = VOS_TRUE; |
| 309 | netif_stop_subqueue(dev, skb_get_queue_mapping(skb)); |
| 310 | txSuspended = VOS_TRUE; |
| 311 | } |
| 312 | spin_unlock(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 313 | |
| 314 | if (VOS_TRUE == txSuspended) |
| 315 | { |
| 316 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_WARN, |
| 317 | "%s: TX queue full for AC=%d Disable OS TX queue", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 318 | __func__, ac ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 319 | os_status = NETDEV_TX_BUSY; |
| 320 | goto xmit_done; |
| 321 | } |
| 322 | |
| 323 | //Use the skb->cb field to hold the list node information |
| 324 | pktNode = (skb_list_node_t *)&skb->cb; |
| 325 | |
| 326 | //Stick the OS packet inside this node. |
| 327 | pktNode->skb = skb; |
| 328 | |
| 329 | //Stick the User Priority inside this node |
| 330 | pktNode->userPriority = up; |
| 331 | |
| 332 | INIT_LIST_HEAD(&pktNode->anchor); |
| 333 | |
| 334 | spin_lock(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 335 | status = hdd_list_insert_back_size(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac], &pktNode->anchor, &pktListSize ); |
| 336 | spin_unlock(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 337 | |
| 338 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 339 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 340 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN,"%s:Insert Tx queue failed. Pkt dropped", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 341 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 342 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
| 343 | ++pAdapter->stats.tx_dropped; |
| 344 | kfree_skb(skb); |
| 345 | goto xmit_done; |
| 346 | } |
| 347 | |
| 348 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitQueued; |
| 349 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitQueuedAC[ac]; |
| 350 | |
| 351 | if (1 == pktListSize) |
| 352 | { |
| 353 | //Let TL know we have a packet to send for this AC |
| 354 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, STAId, ac ); |
| 355 | |
| 356 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 357 | { |
Madan Mohan Koyyalamudi | 60a6a8d | 2012-10-21 11:57:42 -0700 | [diff] [blame] | 358 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN, "%s: Failed to signal TL for AC=%d STAId =%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 359 | __func__, ac, STAId ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 360 | |
| 361 | //Remove the packet from queue. It must be at the back of the queue, as TX thread cannot preempt us in the middle |
| 362 | //as we are in a soft irq context. Also it must be the same packet that we just allocated. |
| 363 | spin_lock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 364 | status = hdd_list_remove_back( &pAdapter->aStaInfo[STAId].wmm_tx_queue[ac], &anchor); |
| 365 | spin_unlock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 366 | ++pAdapter->stats.tx_dropped; |
| 367 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 368 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
| 369 | kfree_skb(skb); |
| 370 | goto xmit_done; |
| 371 | } |
| 372 | } |
| 373 | dev->trans_start = jiffies; |
| 374 | |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 375 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO_LOW, "%s: exit \n", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 376 | |
| 377 | xmit_done: |
| 378 | spin_unlock_bh( &pAdapter->staInfo_lock ); |
| 379 | return os_status; |
| 380 | } |
| 381 | |
| 382 | /**============================================================================ |
| 383 | @brief hdd_softap_sta_2_sta_xmit This function for Transmitting the frames when the traffic is between two stations. |
| 384 | |
| 385 | @param skb : [in] pointer to packet (sk_buff) |
| 386 | @param dev : [in] pointer to Libra network device |
| 387 | @param STAId : [in] Station Id of Destination Station |
| 388 | @param up : [in] User Priority |
| 389 | |
| 390 | @return : NET_XMIT_DROP if packets are dropped |
| 391 | : NET_XMIT_SUCCESS if packet is enqueued succesfully |
| 392 | ===========================================================================*/ |
| 393 | VOS_STATUS hdd_softap_sta_2_sta_xmit(struct sk_buff *skb, |
| 394 | struct net_device *dev, |
| 395 | v_U8_t STAId, |
| 396 | v_U8_t up) |
| 397 | { |
| 398 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 399 | skb_list_node_t *pktNode = NULL; |
| 400 | v_SIZE_t pktListSize = 0; |
| 401 | hdd_adapter_t *pAdapter = (hdd_adapter_t *)netdev_priv(dev); |
| 402 | v_U8_t ac; |
| 403 | vos_list_node_t *anchor = NULL; |
| 404 | |
| 405 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitCalled; |
| 406 | |
| 407 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 408 | "%s: enter", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 409 | |
| 410 | spin_lock_bh( &pAdapter->staInfo_lock ); |
| 411 | if ( FALSE == pAdapter->aStaInfo[STAId].isUsed ) |
| 412 | { |
Madan Mohan Koyyalamudi | 60a6a8d | 2012-10-21 11:57:42 -0700 | [diff] [blame] | 413 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN, |
Gopichand Nakkala | 66c0bd0 | 2013-04-10 11:36:29 +0530 | [diff] [blame] | 414 | "%s: STA %d is unregistered", __func__, STAId ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 415 | kfree_skb(skb); |
| 416 | status = VOS_STATUS_E_FAILURE; |
| 417 | goto xmit_end; |
| 418 | } |
| 419 | |
| 420 | /* If the QoS is not enabled on the receiving station, then send it with BE priority */ |
| 421 | if ( !pAdapter->aStaInfo[STAId].isQosEnabled ) |
| 422 | up = SME_QOS_WMM_UP_BE; |
| 423 | |
| 424 | ac = hddWmmUpToAcMap[up]; |
| 425 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[ac]; |
| 426 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 427 | "%s: Classified as ac %d up %d", __func__, ac, up); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 428 | |
| 429 | skb->queue_mapping = hddLinuxUpToAcMap[up]; |
| 430 | |
| 431 | //Use the skb->cb field to hold the list node information |
| 432 | pktNode = (skb_list_node_t *)&skb->cb; |
| 433 | |
| 434 | //Stick the OS packet inside this node. |
| 435 | pktNode->skb = skb; |
| 436 | |
| 437 | //Stick the User Priority inside this node |
| 438 | pktNode->userPriority = up; |
| 439 | |
| 440 | INIT_LIST_HEAD(&pktNode->anchor); |
| 441 | |
| 442 | spin_lock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 443 | hdd_list_size(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac], &pktListSize); |
| 444 | if(pAdapter->aStaInfo[STAId].txSuspended[ac] || |
| 445 | pktListSize >= pAdapter->aTxQueueLimit[ac]) |
| 446 | { |
Madan Mohan Koyyalamudi | 60a6a8d | 2012-10-21 11:57:42 -0700 | [diff] [blame] | 447 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 448 | "%s: station %d ac %d queue over limit %d \n", __func__, STAId, ac, pktListSize); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 449 | /* TODO:Rx Flowchart should be trigerred here to SUPEND SSC on RX side. |
| 450 | * SUSPEND should be done based on Threshold. RESUME would be |
| 451 | * triggered in fetch cbk after recovery. |
| 452 | */ |
| 453 | kfree_skb(skb); |
| 454 | spin_unlock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 455 | status = VOS_STATUS_E_FAILURE; |
| 456 | goto xmit_end; |
| 457 | } |
| 458 | status = hdd_list_insert_back_size(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac], &pktNode->anchor, &pktListSize ); |
| 459 | spin_unlock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 460 | |
| 461 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 462 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 463 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN,"%s:Insert Tx queue failed. Pkt dropped", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 464 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 465 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
| 466 | ++pAdapter->stats.tx_dropped; |
| 467 | kfree_skb(skb); |
| 468 | status = VOS_STATUS_E_FAILURE; |
| 469 | goto xmit_end; |
| 470 | } |
| 471 | |
| 472 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitQueued; |
| 473 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitQueuedAC[ac]; |
| 474 | |
| 475 | if (1 == pktListSize) |
| 476 | { |
| 477 | //Let TL know we have a packet to send for this AC |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 478 | //VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s:Indicating Packet to TL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 479 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, STAId, ac ); |
| 480 | |
| 481 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 482 | { |
Madan Mohan Koyyalamudi | 60a6a8d | 2012-10-21 11:57:42 -0700 | [diff] [blame] | 483 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_WARN, "%s: Failed to signal TL for AC=%d STAId =%d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 484 | __func__, ac, STAId ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 485 | |
| 486 | //Remove the packet from queue. It must be at the back of the queue, as TX thread cannot preempt us in the middle |
| 487 | //as we are in a soft irq context. Also it must be the same packet that we just allocated. |
| 488 | spin_lock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 489 | status = hdd_list_remove_back( &pAdapter->aStaInfo[STAId].wmm_tx_queue[ac], &anchor); |
| 490 | spin_unlock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 491 | ++pAdapter->stats.tx_dropped; |
| 492 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 493 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
| 494 | kfree_skb(skb); |
| 495 | status = VOS_STATUS_E_FAILURE; |
| 496 | goto xmit_end; |
| 497 | } |
| 498 | } |
| 499 | |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 500 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO_LOW, "%s: exit \n", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 501 | |
| 502 | xmit_end: |
| 503 | spin_unlock_bh( &pAdapter->staInfo_lock ); |
| 504 | return status; |
| 505 | } |
| 506 | |
| 507 | /**============================================================================ |
| 508 | @brief hdd_softap_tx_timeout() - Function called by OS if there is any |
| 509 | timeout during transmission. Since HDD simply enqueues packet |
| 510 | and returns control to OS right away, this would never be invoked |
| 511 | |
| 512 | @param dev : [in] pointer to Libra network device |
| 513 | @return : None |
| 514 | ===========================================================================*/ |
| 515 | void hdd_softap_tx_timeout(struct net_device *dev) |
| 516 | { |
| 517 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 518 | "%s: Transmission timeout occurred", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 519 | //Getting here implies we disabled the TX queues for too long. Queues are |
| 520 | //disabled either because of disassociation or low resource scenarios. In |
| 521 | //case of disassociation it is ok to ignore this. But if associated, we have |
| 522 | //do possible recovery here |
| 523 | } |
| 524 | |
| 525 | |
| 526 | /**============================================================================ |
| 527 | @brief hdd_softap_stats() - Function registered with the Linux OS for |
| 528 | device TX/RX statistic |
| 529 | |
| 530 | @param dev : [in] pointer to Libra network device |
| 531 | |
| 532 | @return : pointer to net_device_stats structure |
| 533 | ===========================================================================*/ |
| 534 | struct net_device_stats* hdd_softap_stats(struct net_device *dev) |
| 535 | { |
| 536 | hdd_adapter_t* priv = netdev_priv(dev); |
| 537 | return &priv->stats; |
| 538 | } |
| 539 | |
| 540 | |
| 541 | /**============================================================================ |
| 542 | @brief hdd_softap_init_tx_rx() - Init function to initialize Tx/RX |
| 543 | modules in HDD |
| 544 | |
| 545 | @param pAdapter : [in] pointer to adapter context |
| 546 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 547 | : VOS_STATUS_SUCCESS otherwise |
| 548 | ===========================================================================*/ |
| 549 | VOS_STATUS hdd_softap_init_tx_rx( hdd_adapter_t *pAdapter ) |
| 550 | { |
| 551 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 552 | v_SINT_t i = -1; |
| 553 | v_SIZE_t size = 0; |
| 554 | |
| 555 | v_U8_t STAId = 0; |
| 556 | |
| 557 | v_U8_t pACWeights[] = { |
| 558 | HDD_SOFTAP_BK_WEIGHT_DEFAULT, |
| 559 | HDD_SOFTAP_BE_WEIGHT_DEFAULT, |
| 560 | HDD_SOFTAP_VI_WEIGHT_DEFAULT, |
| 561 | HDD_SOFTAP_VO_WEIGHT_DEFAULT |
| 562 | }; |
Leo Chang | 64d68bc | 2013-06-04 15:40:52 -0700 | [diff] [blame^] | 563 | |
| 564 | hdd_context_t *pHddCtx = NULL; |
| 565 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 566 | pAdapter->isVosOutOfResource = VOS_FALSE; |
| 567 | |
| 568 | vos_mem_zero(&pAdapter->stats, sizeof(struct net_device_stats)); |
| 569 | |
| 570 | while (++i != NUM_TX_QUEUES) |
| 571 | hdd_list_init( &pAdapter->wmm_tx_queue[i], HDD_TX_QUEUE_MAX_LEN); |
| 572 | |
| 573 | /* Initial HDD buffer control / flow control fields*/ |
| 574 | vos_pkt_get_available_buffer_pool (VOS_PKT_TYPE_TX_802_3_DATA, &size); |
| 575 | |
| 576 | pAdapter->aTxQueueLimit[WLANTL_AC_BK] = HDD_SOFTAP_TX_BK_QUEUE_MAX_LEN; |
| 577 | pAdapter->aTxQueueLimit[WLANTL_AC_BE] = HDD_SOFTAP_TX_BE_QUEUE_MAX_LEN; |
| 578 | pAdapter->aTxQueueLimit[WLANTL_AC_VI] = HDD_SOFTAP_TX_VI_QUEUE_MAX_LEN; |
| 579 | pAdapter->aTxQueueLimit[WLANTL_AC_VO] = HDD_SOFTAP_TX_VO_QUEUE_MAX_LEN; |
| 580 | |
| 581 | spin_lock_init( &pAdapter->staInfo_lock ); |
| 582 | |
| 583 | for (STAId = 0; STAId < WLAN_MAX_STA_COUNT; STAId++) |
| 584 | { |
| 585 | vos_mem_zero(&pAdapter->aStaInfo[STAId], sizeof(hdd_station_info_t)); |
| 586 | for (i = 0; i < NUM_TX_QUEUES; i ++) |
| 587 | { |
| 588 | hdd_list_init(&pAdapter->aStaInfo[STAId].wmm_tx_queue[i], HDD_TX_QUEUE_MAX_LEN); |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | /* Update the AC weights suitable for SoftAP mode of operation */ |
| 593 | WLANTL_SetACWeights((WLAN_HDD_GET_CTX(pAdapter))->pvosContext, pACWeights); |
| 594 | |
Leo Chang | 64d68bc | 2013-06-04 15:40:52 -0700 | [diff] [blame^] | 595 | /* Initialize SAP/P2P-GO traffin monitor */ |
| 596 | pHddCtx = (hdd_context_t *)pAdapter->pHddCtx; |
| 597 | if (NULL == pHddCtx) |
| 598 | { |
| 599 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
| 600 | "%s: Invalid HDD cntxt", __func__ ); |
| 601 | return VOS_STATUS_E_INVAL; |
| 602 | } |
| 603 | if ((pHddCtx->cfg_ini->enableTrafficMonitor) && |
| 604 | (!pHddCtx->traffic_monitor.isInitialized)) |
| 605 | { |
| 606 | atomic_set(&pHddCtx->traffic_monitor.isActiveMode, 1); |
| 607 | vos_timer_init(&pHddCtx->traffic_monitor.trafficTimer, |
| 608 | VOS_TIMER_TYPE_SW, |
| 609 | hdd_softap_traffic_monitor_timeout_handler, |
| 610 | pHddCtx); |
| 611 | vos_lock_init(&pHddCtx->traffic_monitor.trafficLock); |
| 612 | pHddCtx->traffic_monitor.isInitialized = 1; |
| 613 | pHddCtx->traffic_monitor.lastFrameTs = 0; |
| 614 | /* Start traffic monitor timer here |
| 615 | * If no AP assoc, immediatly go into suspend */ |
| 616 | vos_timer_start(&pHddCtx->traffic_monitor.trafficTimer, |
| 617 | pHddCtx->cfg_ini->trafficIdleTimeout); |
| 618 | } |
| 619 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 620 | return status; |
| 621 | } |
| 622 | |
| 623 | /**============================================================================ |
| 624 | @brief hdd_softap_deinit_tx_rx() - Deinit function to clean up Tx/RX |
| 625 | modules in HDD |
| 626 | |
| 627 | @param pAdapter : [in] pointer to adapter context |
| 628 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 629 | : VOS_STATUS_SUCCESS otherwise |
| 630 | ===========================================================================*/ |
| 631 | VOS_STATUS hdd_softap_deinit_tx_rx( hdd_adapter_t *pAdapter ) |
| 632 | { |
| 633 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
Leo Chang | 64d68bc | 2013-06-04 15:40:52 -0700 | [diff] [blame^] | 634 | hdd_context_t *pHddCtx = NULL; |
| 635 | |
| 636 | pHddCtx = (hdd_context_t *)pAdapter->pHddCtx; |
| 637 | if (NULL == pHddCtx) |
| 638 | { |
| 639 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
| 640 | "%s: Invalid HDD cntxt", __func__ ); |
| 641 | return VOS_STATUS_E_INVAL; |
| 642 | } |
| 643 | if (pHddCtx->traffic_monitor.isInitialized) |
| 644 | { |
| 645 | if (VOS_TIMER_STATE_STOPPED != |
| 646 | vos_timer_getCurrentState(&pHddCtx->traffic_monitor.trafficTimer)) |
| 647 | { |
| 648 | vos_timer_stop(&pHddCtx->traffic_monitor.trafficTimer); |
| 649 | } |
| 650 | vos_timer_destroy(&pHddCtx->traffic_monitor.trafficTimer); |
| 651 | vos_lock_destroy(&pHddCtx->traffic_monitor.trafficLock); |
| 652 | pHddCtx->traffic_monitor.isInitialized = 0; |
| 653 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 654 | |
| 655 | status = hdd_softap_flush_tx_queues(pAdapter); |
| 656 | |
| 657 | return status; |
| 658 | } |
| 659 | |
| 660 | /**============================================================================ |
| 661 | @brief hdd_softap_flush_tx_queues_sta() - Utility function to flush the TX queues of a station |
| 662 | |
| 663 | @param pAdapter : [in] pointer to adapter context |
| 664 | @param STAId : [in] Station ID to deinit |
| 665 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 666 | : VOS_STATUS_SUCCESS otherwise |
| 667 | ===========================================================================*/ |
| 668 | static VOS_STATUS hdd_softap_flush_tx_queues_sta( hdd_adapter_t *pAdapter, v_U8_t STAId ) |
| 669 | { |
| 670 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 671 | v_U8_t i = -1; |
| 672 | |
| 673 | hdd_list_node_t *anchor = NULL; |
| 674 | |
| 675 | skb_list_node_t *pktNode = NULL; |
| 676 | struct sk_buff *skb = NULL; |
| 677 | |
| 678 | if (FALSE == pAdapter->aStaInfo[STAId].isUsed) |
| 679 | { |
| 680 | return status; |
| 681 | } |
| 682 | |
| 683 | for (i = 0; i < NUM_TX_QUEUES; i ++) |
| 684 | { |
| 685 | spin_lock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[i].lock); |
| 686 | while (true) |
| 687 | { |
| 688 | status = hdd_list_remove_front ( &pAdapter->aStaInfo[STAId].wmm_tx_queue[i], &anchor); |
| 689 | if (VOS_STATUS_E_EMPTY != status) |
| 690 | { |
| 691 | //If success then we got a valid packet from some AC |
| 692 | pktNode = list_entry(anchor, skb_list_node_t, anchor); |
| 693 | skb = pktNode->skb; |
| 694 | ++pAdapter->stats.tx_dropped; |
| 695 | ++pAdapter->hdd_stats.hddTxRxStats.txFlushed; |
| 696 | ++pAdapter->hdd_stats.hddTxRxStats.txFlushedAC[i]; |
| 697 | kfree_skb(skb); |
| 698 | continue; |
| 699 | } |
| 700 | |
| 701 | //current list is empty |
| 702 | break; |
| 703 | } |
| 704 | spin_unlock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[i].lock); |
| 705 | } |
| 706 | |
| 707 | return status; |
| 708 | } |
| 709 | |
| 710 | /**============================================================================ |
| 711 | @brief hdd_softap_init_tx_rx_sta() - Init function to initialize a station in Tx/RX |
| 712 | modules in HDD |
| 713 | |
| 714 | @param pAdapter : [in] pointer to adapter context |
| 715 | @param STAId : [in] Station ID to deinit |
| 716 | @param pmacAddrSTA : [in] pointer to the MAC address of the station |
| 717 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 718 | : VOS_STATUS_SUCCESS otherwise |
| 719 | ===========================================================================*/ |
| 720 | VOS_STATUS hdd_softap_init_tx_rx_sta( hdd_adapter_t *pAdapter, v_U8_t STAId, v_MACADDR_t *pmacAddrSTA) |
| 721 | { |
| 722 | v_U8_t i = 0; |
| 723 | spin_lock_bh( &pAdapter->staInfo_lock ); |
| 724 | if (pAdapter->aStaInfo[STAId].isUsed) |
| 725 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 726 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, "%s: Reinit station %d", __func__, STAId ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 727 | spin_unlock_bh( &pAdapter->staInfo_lock ); |
| 728 | return VOS_STATUS_E_FAILURE; |
| 729 | } |
| 730 | |
| 731 | vos_mem_zero(&pAdapter->aStaInfo[STAId], sizeof(hdd_station_info_t)); |
| 732 | for (i = 0; i < NUM_TX_QUEUES; i ++) |
| 733 | { |
| 734 | hdd_list_init(&pAdapter->aStaInfo[STAId].wmm_tx_queue[i], HDD_TX_QUEUE_MAX_LEN); |
| 735 | } |
| 736 | |
| 737 | pAdapter->aStaInfo[STAId].isUsed = TRUE; |
Madan Mohan Koyyalamudi | cd78499 | 2013-01-11 15:30:36 -0800 | [diff] [blame] | 738 | pAdapter->aStaInfo[STAId].isDeauthInProgress = FALSE; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 739 | vos_copy_macaddr( &pAdapter->aStaInfo[STAId].macAddrSTA, pmacAddrSTA); |
| 740 | |
| 741 | spin_unlock_bh( &pAdapter->staInfo_lock ); |
| 742 | return VOS_STATUS_SUCCESS; |
| 743 | } |
| 744 | |
| 745 | /**============================================================================ |
| 746 | @brief hdd_softap_deinit_tx_rx_sta() - Deinit function to clean up a statioin in Tx/RX |
| 747 | modules in HDD |
| 748 | |
| 749 | @param pAdapter : [in] pointer to adapter context |
| 750 | @param STAId : [in] Station ID to deinit |
| 751 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 752 | : VOS_STATUS_SUCCESS otherwise |
| 753 | ===========================================================================*/ |
| 754 | VOS_STATUS hdd_softap_deinit_tx_rx_sta ( hdd_adapter_t *pAdapter, v_U8_t STAId ) |
| 755 | { |
| 756 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 757 | v_U8_t ac; |
| 758 | /**Track whether OS TX queue has been disabled.*/ |
| 759 | v_BOOL_t txSuspended[NUM_TX_QUEUES]; |
| 760 | v_U8_t tlAC; |
| 761 | hdd_hostapd_state_t *pHostapdState; |
| 762 | |
| 763 | pHostapdState = WLAN_HDD_GET_HOSTAP_STATE_PTR(pAdapter); |
| 764 | |
| 765 | spin_lock_bh( &pAdapter->staInfo_lock ); |
| 766 | if (FALSE == pAdapter->aStaInfo[STAId].isUsed) |
| 767 | { |
| 768 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 769 | "%s: Deinit station not inited %d", __func__, STAId ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 770 | spin_unlock_bh( &pAdapter->staInfo_lock ); |
| 771 | return VOS_STATUS_E_FAILURE; |
| 772 | } |
| 773 | |
| 774 | status = hdd_softap_flush_tx_queues_sta(pAdapter, STAId); |
| 775 | |
| 776 | pAdapter->aStaInfo[STAId].isUsed = FALSE; |
Madan Mohan Koyyalamudi | cd78499 | 2013-01-11 15:30:36 -0800 | [diff] [blame] | 777 | pAdapter->aStaInfo[STAId].isDeauthInProgress = FALSE; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 778 | |
| 779 | /* if this STA had any of its WMM TX queues suspended, then the |
| 780 | associated queue on the network interface was disabled. check |
| 781 | to see if that is the case, in which case we need to re-enable |
| 782 | the interface queue. but we only do this if the BSS is running |
| 783 | since, if the BSS is stopped, all of the interfaces have been |
| 784 | stopped and should not be re-enabled */ |
| 785 | |
| 786 | if (BSS_START == pHostapdState->bssState) |
| 787 | { |
| 788 | for (ac = HDD_LINUX_AC_VO; ac <= HDD_LINUX_AC_BK; ac++) |
| 789 | { |
| 790 | tlAC = hdd_QdiscAcToTlAC[ac]; |
| 791 | txSuspended[ac] = pAdapter->aStaInfo[STAId].txSuspended[tlAC]; |
| 792 | } |
| 793 | } |
| 794 | vos_mem_zero(&pAdapter->aStaInfo[STAId], sizeof(hdd_station_info_t)); |
| 795 | |
| 796 | if (BSS_START == pHostapdState->bssState) |
| 797 | { |
| 798 | for (ac = HDD_LINUX_AC_VO; ac <= HDD_LINUX_AC_BK; ac++) |
| 799 | { |
| 800 | if (txSuspended[ac]) |
| 801 | { |
| 802 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 803 | "%s: TX queue re-enabled", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 804 | netif_wake_subqueue(pAdapter->dev, ac); |
| 805 | } |
| 806 | } |
| 807 | } |
| 808 | |
| 809 | spin_unlock_bh( &pAdapter->staInfo_lock ); |
| 810 | return status; |
| 811 | } |
| 812 | |
| 813 | /**============================================================================ |
| 814 | @brief hdd_softap_disconnect_tx_rx() - Disconnect function to clean up Tx/RX |
| 815 | modules in HDD |
| 816 | |
| 817 | @param pAdapter : [in] pointer to adapter context |
| 818 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 819 | : VOS_STATUS_SUCCESS otherwise |
| 820 | ===========================================================================*/ |
| 821 | VOS_STATUS hdd_softap_disconnect_tx_rx( hdd_adapter_t *pAdapter ) |
| 822 | { |
| 823 | return hdd_softap_flush_tx_queues(pAdapter); |
| 824 | } |
| 825 | |
| 826 | /**============================================================================ |
| 827 | @brief hdd_softap_tx_complete_cbk() - Callback function invoked by TL |
| 828 | to indicate that a packet has been transmitted across the bus |
| 829 | succesfully. OS packet resources can be released after this cbk. |
| 830 | |
| 831 | @param vosContext : [in] pointer to VOS context |
| 832 | @param pVosPacket : [in] pointer to VOS packet (containing skb) |
| 833 | @param vosStatusIn : [in] status of the transmission |
| 834 | |
| 835 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 836 | : VOS_STATUS_SUCCESS otherwise |
| 837 | ===========================================================================*/ |
| 838 | VOS_STATUS hdd_softap_tx_complete_cbk( v_VOID_t *vosContext, |
| 839 | vos_pkt_t *pVosPacket, |
| 840 | VOS_STATUS vosStatusIn ) |
| 841 | { |
| 842 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 843 | hdd_adapter_t *pAdapter = NULL; |
| 844 | void* pOsPkt = NULL; |
| 845 | |
| 846 | if( ( NULL == vosContext ) || ( NULL == pVosPacket ) ) |
| 847 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 848 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: Null params being passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 849 | return VOS_STATUS_E_FAILURE; |
| 850 | } |
| 851 | |
| 852 | //Return the skb to the OS |
| 853 | status = vos_pkt_get_os_packet( pVosPacket, &pOsPkt, VOS_TRUE ); |
| 854 | if(!VOS_IS_STATUS_SUCCESS( status )) |
| 855 | { |
| 856 | //This is bad but still try to free the VOSS resources if we can |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 857 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: Failure extracting skb from vos pkt", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 858 | vos_pkt_return_packet( pVosPacket ); |
| 859 | return VOS_STATUS_E_FAILURE; |
| 860 | } |
| 861 | |
| 862 | //Get the Adapter context. |
| 863 | pAdapter = (hdd_adapter_t *)netdev_priv(((struct sk_buff *)pOsPkt)->dev); |
| 864 | if(pAdapter == NULL) |
| 865 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 866 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: HDD adapter context is Null", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 867 | } |
| 868 | else |
| 869 | { |
| 870 | ++pAdapter->hdd_stats.hddTxRxStats.txCompleted; |
| 871 | } |
| 872 | |
| 873 | kfree_skb((struct sk_buff *)pOsPkt); |
| 874 | |
| 875 | //Return the VOS packet resources. |
| 876 | status = vos_pkt_return_packet( pVosPacket ); |
| 877 | if(!VOS_IS_STATUS_SUCCESS( status )) |
| 878 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 879 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: Could not return VOS packet to the pool", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 880 | } |
| 881 | |
| 882 | return status; |
| 883 | } |
| 884 | |
| 885 | |
| 886 | /**============================================================================ |
| 887 | @brief hdd_softap_tx_fetch_packet_cbk() - Callback function invoked by TL to |
| 888 | fetch a packet for transmission. |
| 889 | |
| 890 | @param vosContext : [in] pointer to VOS context |
| 891 | @param staId : [in] Station for which TL is requesting a pkt |
| 892 | @param ac : [in] access category requested by TL |
| 893 | @param pVosPacket : [out] pointer to VOS packet packet pointer |
| 894 | @param pPktMetaInfo : [out] pointer to meta info for the pkt |
| 895 | |
| 896 | @return : VOS_STATUS_E_EMPTY if no packets to transmit |
| 897 | : VOS_STATUS_E_FAILURE if any errors encountered |
| 898 | : VOS_STATUS_SUCCESS otherwise |
| 899 | ===========================================================================*/ |
| 900 | VOS_STATUS hdd_softap_tx_fetch_packet_cbk( v_VOID_t *vosContext, |
| 901 | v_U8_t *pStaId, |
| 902 | WLANTL_ACEnumType ac, |
| 903 | vos_pkt_t **ppVosPacket, |
| 904 | WLANTL_MetaInfoType *pPktMetaInfo ) |
| 905 | { |
| 906 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 907 | hdd_adapter_t *pAdapter = NULL; |
| 908 | hdd_list_node_t *anchor = NULL; |
| 909 | skb_list_node_t *pktNode = NULL; |
| 910 | struct sk_buff *skb = NULL; |
| 911 | vos_pkt_t *pVosPacket = NULL; |
| 912 | v_MACADDR_t* pDestMacAddress = NULL; |
| 913 | v_TIME_t timestamp; |
| 914 | v_SIZE_t size = 0; |
| 915 | v_U8_t STAId = WLAN_MAX_STA_COUNT; |
| 916 | hdd_context_t *pHddCtx = NULL; |
| 917 | |
| 918 | //Sanity check on inputs |
| 919 | if ( ( NULL == vosContext ) || |
| 920 | ( NULL == pStaId ) || |
| 921 | ( NULL == ppVosPacket ) || |
| 922 | ( NULL == pPktMetaInfo ) ) |
| 923 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 924 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: Null Params being passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 925 | return VOS_STATUS_E_FAILURE; |
| 926 | } |
| 927 | |
| 928 | //Get the HDD context. |
| 929 | pHddCtx = (hdd_context_t *)vos_get_context( VOS_MODULE_ID_HDD, vosContext ); |
| 930 | if ( NULL == pHddCtx ) |
| 931 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 932 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: HDD adapter context is Null", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 933 | return VOS_STATUS_E_FAILURE; |
| 934 | } |
| 935 | |
| 936 | pAdapter = pHddCtx->sta_to_adapter[*pStaId]; |
| 937 | if( NULL == pAdapter ) |
| 938 | { |
| 939 | VOS_ASSERT(0); |
| 940 | return VOS_STATUS_E_FAILURE; |
| 941 | } |
| 942 | |
Leo Chang | 64d68bc | 2013-06-04 15:40:52 -0700 | [diff] [blame^] | 943 | /* Monitor traffic */ |
| 944 | if ( pHddCtx->cfg_ini->enableTrafficMonitor ) |
| 945 | { |
| 946 | pHddCtx->traffic_monitor.lastFrameTs = vos_timer_get_system_time(); |
| 947 | if ( !atomic_read(&pHddCtx->traffic_monitor.isActiveMode) ) |
| 948 | { |
| 949 | vos_lock_acquire(&pHddCtx->traffic_monitor.trafficLock); |
| 950 | /* It was IDLE mode, |
| 951 | * this is new state, then switch mode from suspend to resume */ |
| 952 | if ( !atomic_read(&pHddCtx->traffic_monitor.isActiveMode) ) |
| 953 | { |
| 954 | hdd_set_wlan_suspend_mode(0); |
| 955 | vos_timer_start(&pHddCtx->traffic_monitor.trafficTimer, |
| 956 | pHddCtx->cfg_ini->trafficIdleTimeout); |
| 957 | atomic_set(&pHddCtx->traffic_monitor.isActiveMode, 1); |
| 958 | } |
| 959 | vos_lock_release(&pHddCtx->traffic_monitor.trafficLock); |
| 960 | } |
| 961 | } |
| 962 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 963 | ++pAdapter->hdd_stats.hddTxRxStats.txFetched; |
| 964 | |
| 965 | STAId = *pStaId; |
| 966 | if (STAId >= WLAN_MAX_STA_COUNT) |
| 967 | { |
| 968 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 969 | "%s: Invalid STAId %d passed by TL", __func__, STAId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 970 | return VOS_STATUS_E_FAILURE; |
| 971 | } |
| 972 | |
| 973 | if (FALSE == pAdapter->aStaInfo[STAId].isUsed ) |
| 974 | { |
| 975 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 976 | "%s: Unregistered STAId %d passed by TL", __func__, STAId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 977 | return VOS_STATUS_E_FAILURE; |
| 978 | } |
| 979 | |
| 980 | *ppVosPacket = NULL; |
| 981 | |
| 982 | //Make sure the AC being asked for is sane |
| 983 | if( ac > WLANTL_MAX_AC || ac < 0) |
| 984 | { |
| 985 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 986 | "%s: Invalid AC %d passed by TL", __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 987 | return VOS_STATUS_E_FAILURE; |
| 988 | } |
| 989 | |
| 990 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchedAC[ac]; |
| 991 | |
| 992 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 993 | "%s: AC %d passed by TL", __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 994 | |
| 995 | //Get the vos packet. I don't want to dequeue and enqueue again if we are out of VOS resources |
| 996 | //This simplifies the locking and unlocking of Tx queue |
| 997 | status = vos_pkt_wrap_data_packet( &pVosPacket, |
| 998 | VOS_PKT_TYPE_TX_802_3_DATA, |
| 999 | NULL, //OS Pkt is not being passed |
| 1000 | hdd_softap_tx_low_resource_cbk, |
| 1001 | pAdapter ); |
| 1002 | |
| 1003 | if (status == VOS_STATUS_E_ALREADY || status == VOS_STATUS_E_RESOURCES) |
| 1004 | { |
| 1005 | //Remember VOS is in a low resource situation |
| 1006 | pAdapter->isVosOutOfResource = VOS_TRUE; |
| 1007 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchLowResources; |
| 1008 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1009 | "%s: VOSS in Low Resource scenario", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1010 | //TL needs to handle this case. VOS_STATUS_E_EMPTY is returned when the queue is empty. |
| 1011 | return VOS_STATUS_E_FAILURE; |
| 1012 | } |
| 1013 | |
| 1014 | /* Only fetch this station and this AC. Return VOS_STATUS_E_EMPTY if nothing there. Do not get next AC |
| 1015 | as the other branch does. |
| 1016 | */ |
| 1017 | spin_lock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 1018 | hdd_list_size(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac], &size); |
| 1019 | |
| 1020 | if (0 == size) |
| 1021 | { |
| 1022 | spin_unlock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 1023 | vos_pkt_return_packet(pVosPacket); |
| 1024 | return VOS_STATUS_E_EMPTY; |
| 1025 | } |
| 1026 | |
| 1027 | status = hdd_list_remove_front( &pAdapter->aStaInfo[STAId].wmm_tx_queue[ac], &anchor ); |
| 1028 | spin_unlock_bh(&pAdapter->aStaInfo[STAId].wmm_tx_queue[ac].lock); |
| 1029 | |
| 1030 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1031 | "%s: AC %d has packets pending", __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1032 | |
| 1033 | if(VOS_STATUS_SUCCESS == status) |
| 1034 | { |
| 1035 | //If success then we got a valid packet from some AC |
| 1036 | pktNode = list_entry(anchor, skb_list_node_t, anchor); |
| 1037 | skb = pktNode->skb; |
| 1038 | } |
| 1039 | else |
| 1040 | { |
| 1041 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeueError; |
| 1042 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
| 1043 | "%s: Error in de-queuing skb from Tx queue status = %d", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1044 | __func__, status ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1045 | vos_pkt_return_packet(pVosPacket); |
| 1046 | return VOS_STATUS_E_FAILURE; |
| 1047 | } |
| 1048 | |
| 1049 | //Attach skb to VOS packet. |
| 1050 | status = vos_pkt_set_os_packet( pVosPacket, skb ); |
| 1051 | if (status != VOS_STATUS_SUCCESS) |
| 1052 | { |
| 1053 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1054 | "%s: Error attaching skb", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1055 | vos_pkt_return_packet(pVosPacket); |
| 1056 | ++pAdapter->stats.tx_dropped; |
| 1057 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeueError; |
| 1058 | kfree_skb(skb); |
| 1059 | return VOS_STATUS_E_FAILURE; |
| 1060 | } |
| 1061 | |
| 1062 | //Just being paranoid. To be removed later |
| 1063 | if(pVosPacket == NULL) |
| 1064 | { |
| 1065 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1066 | "%s: VOS packet returned by VOSS is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1067 | ++pAdapter->stats.tx_dropped; |
| 1068 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeueError; |
| 1069 | kfree_skb(skb); |
| 1070 | return VOS_STATUS_E_FAILURE; |
| 1071 | } |
| 1072 | |
| 1073 | //Return VOS packet to TL; |
| 1074 | *ppVosPacket = pVosPacket; |
| 1075 | |
| 1076 | //Fill out the meta information needed by TL |
| 1077 | //FIXME This timestamp is really the time stamp of wrap_data_packet |
| 1078 | vos_pkt_get_timestamp( pVosPacket, ×tamp ); |
| 1079 | pPktMetaInfo->usTimeStamp = (v_U16_t)timestamp; |
| 1080 | if ( 1 < size ) |
| 1081 | { |
| 1082 | pPktMetaInfo->bMorePackets = 1; //HDD has more packets to send |
| 1083 | } |
| 1084 | else |
| 1085 | { |
| 1086 | pPktMetaInfo->bMorePackets = 0; |
| 1087 | } |
| 1088 | |
| 1089 | pPktMetaInfo->ucIsEapol = 0; |
| 1090 | |
| 1091 | if(pAdapter->aStaInfo[STAId].tlSTAState != WLANTL_STA_AUTHENTICATED) |
| 1092 | { |
| 1093 | if (TRUE == hdd_IsEAPOLPacket( pVosPacket )) |
| 1094 | { |
| 1095 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO_HIGH, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1096 | "%s: VOS packet is EAPOL packet", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1097 | pPktMetaInfo->ucIsEapol = 1; |
| 1098 | } |
| 1099 | } |
| 1100 | |
| 1101 | //xg: @@@@: temporarily disble these. will revisit later |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1102 | { |
| 1103 | pPktMetaInfo->ucUP = pktNode->userPriority; |
| 1104 | pPktMetaInfo->ucTID = pPktMetaInfo->ucUP; |
| 1105 | } |
| 1106 | |
| 1107 | pPktMetaInfo->ucType = 0; //FIXME Don't know what this is |
| 1108 | //Extract the destination address from ethernet frame |
| 1109 | pDestMacAddress = (v_MACADDR_t*)skb->data; |
| 1110 | |
| 1111 | // we need 802.3 to 802.11 frame translation |
| 1112 | // (note that Bcast/Mcast will be translated in SW, unicast in HW) |
| 1113 | pPktMetaInfo->ucDisableFrmXtl = 0; |
| 1114 | pPktMetaInfo->ucBcast = vos_is_macaddr_broadcast( pDestMacAddress ) ? 1 : 0; |
| 1115 | pPktMetaInfo->ucMcast = vos_is_macaddr_group( pDestMacAddress ) ? 1 : 0; |
| 1116 | |
| 1117 | if ( (pAdapter->aStaInfo[STAId].txSuspended[ac]) && |
| 1118 | (size <= ((pAdapter->aTxQueueLimit[ac]*3)/4) )) |
| 1119 | { |
| 1120 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1121 | "%s: TX queue re-enabled", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1122 | pAdapter->aStaInfo[STAId].txSuspended[ac] = VOS_FALSE; |
| 1123 | netif_wake_subqueue(pAdapter->dev, skb_get_queue_mapping(skb)); |
| 1124 | } |
| 1125 | |
| 1126 | // We're giving the packet to TL so consider it transmitted from |
| 1127 | // a statistics perspective. We account for it here instead of |
| 1128 | // when the packet is returned for two reasons. First, TL will |
| 1129 | // manipulate the skb to the point where the len field is not |
| 1130 | // accurate, leading to inaccurate byte counts if we account for |
| 1131 | // it later. Second, TL does not provide any feedback as to |
| 1132 | // whether or not the packet was successfully sent over the air, |
| 1133 | // so the packet counts will be the same regardless of where we |
| 1134 | // account for them |
| 1135 | pAdapter->stats.tx_bytes += skb->len; |
| 1136 | ++pAdapter->stats.tx_packets; |
| 1137 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeued; |
| 1138 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeuedAC[ac]; |
| 1139 | |
| 1140 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1141 | "%s: Valid VOS PKT returned to TL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1142 | |
| 1143 | return status; |
| 1144 | } |
| 1145 | |
| 1146 | |
| 1147 | /**============================================================================ |
| 1148 | @brief hdd_softap_tx_low_resource_cbk() - Callback function invoked in the |
| 1149 | case where VOS packets are not available at the time of the call to get |
| 1150 | packets. This callback function is invoked by VOS when packets are |
| 1151 | available. |
| 1152 | |
| 1153 | @param pVosPacket : [in] pointer to VOS packet |
| 1154 | @param userData : [in] opaque user data that was passed initially |
| 1155 | |
| 1156 | @return : VOS_STATUS_E_FAILURE if any errors encountered, |
| 1157 | : VOS_STATUS_SUCCESS otherwise |
| 1158 | =============================================================================*/ |
| 1159 | VOS_STATUS hdd_softap_tx_low_resource_cbk( vos_pkt_t *pVosPacket, |
| 1160 | v_VOID_t *userData ) |
| 1161 | { |
| 1162 | VOS_STATUS status; |
| 1163 | v_SINT_t i = 0; |
| 1164 | v_SIZE_t size = 0; |
| 1165 | hdd_adapter_t* pAdapter = (hdd_adapter_t *)userData; |
| 1166 | v_U8_t STAId = WLAN_MAX_STA_COUNT; |
| 1167 | |
| 1168 | if(pAdapter == NULL) |
| 1169 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1170 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: HDD adapter context is Null", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1171 | return VOS_STATUS_E_FAILURE; |
| 1172 | } |
| 1173 | |
| 1174 | //Return the packet to VOS. We just needed to know that VOS is out of low resource |
| 1175 | //situation. Here we will only signal TL that there is a pending data for a STA. |
| 1176 | //VOS packet will be requested (if needed) when TL comes back to fetch data. |
| 1177 | vos_pkt_return_packet( pVosPacket ); |
| 1178 | |
| 1179 | pAdapter->isVosOutOfResource = VOS_FALSE; |
| 1180 | |
| 1181 | // Indicate to TL that there is pending data if a queue is non empty. |
| 1182 | // This Code wasnt included in earlier version which resulted in |
| 1183 | // Traffic stalling |
| 1184 | for (STAId = 0; STAId < WLAN_MAX_STA_COUNT; STAId++) |
| 1185 | { |
| 1186 | if ((pAdapter->aStaInfo[STAId].tlSTAState == WLANTL_STA_AUTHENTICATED) || |
| 1187 | (pAdapter->aStaInfo[STAId].tlSTAState == WLANTL_STA_CONNECTED)) |
| 1188 | { |
| 1189 | for( i=NUM_TX_QUEUES-1; i>=0; --i ) |
| 1190 | { |
| 1191 | size = 0; |
| 1192 | hdd_list_size(&pAdapter->aStaInfo[STAId].wmm_tx_queue[i], &size); |
| 1193 | if ( size > 0 ) |
| 1194 | { |
| 1195 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 1196 | STAId, |
| 1197 | (WLANTL_ACEnumType)i ); |
| 1198 | if( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 1199 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1200 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: Failure in indicating pkt to TL for ac=%d", __func__,i); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1201 | } |
| 1202 | } |
| 1203 | } |
| 1204 | } |
| 1205 | } |
| 1206 | return VOS_STATUS_SUCCESS; |
| 1207 | } |
| 1208 | |
| 1209 | |
| 1210 | /**============================================================================ |
| 1211 | @brief hdd_softap_rx_packet_cbk() - Receive callback registered with TL. |
| 1212 | TL will call this to notify the HDD when one or more packets were |
| 1213 | received for a registered STA. |
| 1214 | |
| 1215 | @param vosContext : [in] pointer to VOS context |
| 1216 | @param pVosPacketChain : [in] pointer to VOS packet chain |
| 1217 | @param staId : [in] Station Id (Adress 1 Index) |
| 1218 | @param pRxMetaInfo : [in] pointer to meta info for the received pkt(s). |
| 1219 | |
| 1220 | @return : VOS_STATUS_E_FAILURE if any errors encountered, |
| 1221 | : VOS_STATUS_SUCCESS otherwise |
| 1222 | ===========================================================================*/ |
| 1223 | VOS_STATUS hdd_softap_rx_packet_cbk( v_VOID_t *vosContext, |
| 1224 | vos_pkt_t *pVosPacketChain, |
| 1225 | v_U8_t staId, |
| 1226 | WLANTL_RxMetaInfoType* pRxMetaInfo ) |
| 1227 | { |
| 1228 | hdd_adapter_t *pAdapter = NULL; |
| 1229 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 1230 | int rxstat; |
| 1231 | struct sk_buff *skb = NULL; |
| 1232 | vos_pkt_t* pVosPacket; |
| 1233 | vos_pkt_t* pNextVosPacket; |
| 1234 | hdd_context_t *pHddCtx = NULL; |
| 1235 | |
| 1236 | //Sanity check on inputs |
| 1237 | if ( ( NULL == vosContext ) || |
| 1238 | ( NULL == pVosPacketChain ) || |
| 1239 | ( NULL == pRxMetaInfo ) ) |
| 1240 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1241 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: Null params being passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1242 | return VOS_STATUS_E_FAILURE; |
| 1243 | } |
| 1244 | |
| 1245 | pHddCtx = (hdd_context_t *)vos_get_context( VOS_MODULE_ID_HDD, vosContext ); |
| 1246 | if ( NULL == pHddCtx ) |
| 1247 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1248 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: HDD adapter context is Null", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1249 | return VOS_STATUS_E_FAILURE; |
| 1250 | } |
| 1251 | |
| 1252 | pAdapter = pHddCtx->sta_to_adapter[staId]; |
| 1253 | if( NULL == pAdapter ) |
| 1254 | { |
| 1255 | VOS_ASSERT(0); |
| 1256 | return VOS_STATUS_E_FAILURE; |
| 1257 | } |
Leo Chang | 64d68bc | 2013-06-04 15:40:52 -0700 | [diff] [blame^] | 1258 | |
| 1259 | /* Monitor traffic */ |
| 1260 | if ( pHddCtx->cfg_ini->enableTrafficMonitor ) |
| 1261 | { |
| 1262 | pHddCtx->traffic_monitor.lastFrameTs = vos_timer_get_system_time(); |
| 1263 | if ( !atomic_read(&pHddCtx->traffic_monitor.isActiveMode) ) |
| 1264 | { |
| 1265 | vos_lock_acquire(&pHddCtx->traffic_monitor.trafficLock); |
| 1266 | /* It was IDLE mode, |
| 1267 | * this is new state, then switch mode from suspend to resume */ |
| 1268 | if ( !atomic_read(&pHddCtx->traffic_monitor.isActiveMode) ) |
| 1269 | { |
| 1270 | hdd_set_wlan_suspend_mode(0); |
| 1271 | vos_timer_start(&pHddCtx->traffic_monitor.trafficTimer, |
| 1272 | pHddCtx->cfg_ini->trafficIdleTimeout); |
| 1273 | atomic_set(&pHddCtx->traffic_monitor.isActiveMode, 1); |
| 1274 | } |
| 1275 | vos_lock_release(&pHddCtx->traffic_monitor.trafficLock); |
| 1276 | } |
| 1277 | } |
| 1278 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1279 | ++pAdapter->hdd_stats.hddTxRxStats.rxChains; |
| 1280 | |
| 1281 | // walk the chain until all are processed |
| 1282 | pVosPacket = pVosPacketChain; |
| 1283 | do |
| 1284 | { |
| 1285 | // get the pointer to the next packet in the chain |
| 1286 | // (but don't unlink the packet since we free the entire chain later) |
| 1287 | status = vos_pkt_walk_packet_chain( pVosPacket, &pNextVosPacket, VOS_FALSE); |
| 1288 | |
| 1289 | // both "success" and "empty" are acceptable results |
| 1290 | if (!((status == VOS_STATUS_SUCCESS) || (status == VOS_STATUS_E_EMPTY))) |
| 1291 | { |
| 1292 | ++pAdapter->hdd_stats.hddTxRxStats.rxDropped; |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1293 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: Failure walking packet chain", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1294 | return VOS_STATUS_E_FAILURE; |
| 1295 | } |
| 1296 | |
| 1297 | // Extract the OS packet (skb). |
| 1298 | // Tell VOS to detach the OS packet from the VOS packet |
| 1299 | status = vos_pkt_get_os_packet( pVosPacket, (v_VOID_t **)&skb, VOS_TRUE ); |
| 1300 | if(!VOS_IS_STATUS_SUCCESS( status )) |
| 1301 | { |
| 1302 | ++pAdapter->hdd_stats.hddTxRxStats.rxDropped; |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1303 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: Failure extracting skb from vos pkt", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1304 | return VOS_STATUS_E_FAILURE; |
| 1305 | } |
| 1306 | |
| 1307 | //hdd_softap_dump_sk_buff(skb); |
| 1308 | |
| 1309 | skb->dev = pAdapter->dev; |
| 1310 | |
| 1311 | if(skb->dev == NULL) { |
| 1312 | |
| 1313 | hddLog(VOS_TRACE_LEVEL_FATAL, "ERROR!!Invalid netdevice\n"); |
| 1314 | return VOS_STATUS_E_FAILURE; |
| 1315 | } |
| 1316 | ++pAdapter->hdd_stats.hddTxRxStats.rxPackets; |
| 1317 | ++pAdapter->stats.rx_packets; |
| 1318 | pAdapter->stats.rx_bytes += skb->len; |
| 1319 | |
| 1320 | if (WLAN_RX_BCMC_STA_ID == pRxMetaInfo->ucDesSTAId) |
| 1321 | { |
| 1322 | //MC/BC packets. Duplicate a copy of packet |
| 1323 | struct sk_buff *pSkbCopy; |
| 1324 | hdd_ap_ctx_t *pHddApCtx; |
| 1325 | |
| 1326 | pHddApCtx = WLAN_HDD_GET_AP_CTX_PTR(pAdapter); |
| 1327 | if (!(pHddApCtx->apDisableIntraBssFwd)) |
| 1328 | { |
| 1329 | pSkbCopy = skb_copy(skb, GFP_ATOMIC); |
| 1330 | if (pSkbCopy) |
| 1331 | { |
| 1332 | hdd_softap_sta_2_sta_xmit(pSkbCopy, pSkbCopy->dev, |
| 1333 | pHddApCtx->uBCStaId, (pRxMetaInfo->ucUP)); |
| 1334 | } |
| 1335 | } |
| 1336 | else |
| 1337 | { |
| 1338 | VOS_TRACE(VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1339 | "%s: skb allocation fails", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1340 | } |
| 1341 | |
| 1342 | |
| 1343 | } //(WLAN_RX_BCMC_STA_ID == staId) |
| 1344 | |
| 1345 | if ((WLAN_RX_BCMC_STA_ID == pRxMetaInfo->ucDesSTAId) || |
| 1346 | (WLAN_RX_SAP_SELF_STA_ID == pRxMetaInfo->ucDesSTAId)) |
| 1347 | { |
| 1348 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO_LOW, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1349 | "%s: send one packet to kernel \n", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1350 | |
| 1351 | skb->protocol = eth_type_trans(skb, skb->dev); |
Madan Mohan Koyyalamudi | f91902f | 2012-10-25 11:59:19 -0700 | [diff] [blame] | 1352 | skb->ip_summed = CHECKSUM_NONE; |
Sameer Thalappil | 50dc009 | 2013-02-19 17:23:33 -0800 | [diff] [blame] | 1353 | #ifdef WLAN_OPEN_SOURCE |
Jeff Johnson | e724574 | 2012-09-05 17:12:55 -0700 | [diff] [blame] | 1354 | #ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK |
Amar Singhal | 6144c00 | 2013-05-03 16:11:42 -0700 | [diff] [blame] | 1355 | wake_lock_timeout(&pHddCtx->rx_wake_lock, msecs_to_jiffies(HDD_WAKE_LOCK_DURATION)); |
Jeff Johnson | e724574 | 2012-09-05 17:12:55 -0700 | [diff] [blame] | 1356 | #endif |
Sameer Thalappil | 50dc009 | 2013-02-19 17:23:33 -0800 | [diff] [blame] | 1357 | #endif |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1358 | rxstat = netif_rx_ni(skb); |
| 1359 | if (NET_RX_SUCCESS == rxstat) |
| 1360 | { |
| 1361 | ++pAdapter->hdd_stats.hddTxRxStats.rxDelivered; |
| 1362 | } |
| 1363 | else |
| 1364 | { |
| 1365 | ++pAdapter->hdd_stats.hddTxRxStats.rxRefused; |
| 1366 | } |
| 1367 | } |
| 1368 | else if ((WLAN_HDD_GET_AP_CTX_PTR(pAdapter))->apDisableIntraBssFwd) |
| 1369 | { |
| 1370 | kfree_skb(skb); |
| 1371 | } |
| 1372 | else |
| 1373 | { |
| 1374 | //loopback traffic |
| 1375 | status = hdd_softap_sta_2_sta_xmit(skb, skb->dev, |
| 1376 | pRxMetaInfo->ucDesSTAId, (pRxMetaInfo->ucUP)); |
| 1377 | } |
| 1378 | |
| 1379 | // now process the next packet in the chain |
| 1380 | pVosPacket = pNextVosPacket; |
| 1381 | |
| 1382 | } while (pVosPacket); |
| 1383 | |
| 1384 | //Return the entire VOS packet chain to the resource pool |
| 1385 | status = vos_pkt_return_packet( pVosPacketChain ); |
| 1386 | if(!VOS_IS_STATUS_SUCCESS( status )) |
| 1387 | { |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1388 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR,"%s: Failure returning vos pkt", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1389 | } |
| 1390 | |
| 1391 | pAdapter->dev->last_rx = jiffies; |
| 1392 | |
| 1393 | return status; |
| 1394 | } |
| 1395 | |
| 1396 | VOS_STATUS hdd_softap_DeregisterSTA( hdd_adapter_t *pAdapter, tANI_U8 staId ) |
| 1397 | { |
| 1398 | VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
Gopichand Nakkala | 3bd53fa | 2013-05-22 20:04:18 +0530 | [diff] [blame] | 1399 | hdd_context_t *pHddCtx; |
| 1400 | if (NULL == pAdapter) |
| 1401 | { |
| 1402 | VOS_TRACE(VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
| 1403 | "%s: pAdapter is NULL", __func__); |
| 1404 | return VOS_STATUS_E_INVAL; |
| 1405 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1406 | |
Gopichand Nakkala | 3bd53fa | 2013-05-22 20:04:18 +0530 | [diff] [blame] | 1407 | if (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic) |
| 1408 | { |
| 1409 | VOS_TRACE(VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
| 1410 | "%s: Invalid pAdapter magic", __func__); |
| 1411 | return VOS_STATUS_E_INVAL; |
| 1412 | } |
| 1413 | |
| 1414 | pHddCtx = (hdd_context_t*)(pAdapter->pHddCtx); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1415 | //Clear station in TL and then update HDD data structures. This helps |
| 1416 | //to block RX frames from other station to this station. |
Gopichand Nakkala | 3bd53fa | 2013-05-22 20:04:18 +0530 | [diff] [blame] | 1417 | vosStatus = WLANTL_ClearSTAClient( pHddCtx->pvosContext, staId ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1418 | if ( !VOS_IS_STATUS_SUCCESS( vosStatus ) ) |
| 1419 | { |
| 1420 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
| 1421 | "WLANTL_ClearSTAClient() failed to for staID %d. " |
| 1422 | "Status= %d [0x%08lX]", |
| 1423 | staId, vosStatus, vosStatus ); |
| 1424 | } |
| 1425 | |
| 1426 | vosStatus = hdd_softap_deinit_tx_rx_sta ( pAdapter, staId ); |
| 1427 | if( VOS_STATUS_E_FAILURE == vosStatus ) |
| 1428 | { |
| 1429 | VOS_TRACE ( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
| 1430 | "hdd_softap_deinit_tx_rx_sta() failed for staID %d. " |
| 1431 | "Status = %d [0x%08lX]", |
| 1432 | staId, vosStatus, vosStatus ); |
| 1433 | return( vosStatus ); |
| 1434 | } |
| 1435 | |
| 1436 | pHddCtx->sta_to_adapter[staId] = NULL; |
| 1437 | |
| 1438 | return( vosStatus ); |
| 1439 | } |
| 1440 | |
| 1441 | VOS_STATUS hdd_softap_RegisterSTA( hdd_adapter_t *pAdapter, |
| 1442 | v_BOOL_t fAuthRequired, |
| 1443 | v_BOOL_t fPrivacyBit, |
| 1444 | v_U8_t staId, |
| 1445 | v_U8_t ucastSig, |
| 1446 | v_U8_t bcastSig, |
| 1447 | v_MACADDR_t *pPeerMacAddress, |
| 1448 | v_BOOL_t fWmmEnabled ) |
| 1449 | { |
| 1450 | VOS_STATUS vosStatus = VOS_STATUS_E_FAILURE; |
Prathyusha | f544280 | 2012-12-12 13:58:11 -0800 | [diff] [blame] | 1451 | WLAN_STADescType staDesc = {0}; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1452 | hdd_context_t *pHddCtx = pAdapter->pHddCtx; |
| 1453 | hdd_adapter_t *pmonAdapter = NULL; |
| 1454 | |
| 1455 | //eCsrEncryptionType connectedCipherAlgo; |
| 1456 | //v_BOOL_t fConnected; |
| 1457 | |
| 1458 | /* |
| 1459 | * Clean up old entry if it is not cleaned up properly |
| 1460 | */ |
| 1461 | if ( pAdapter->aStaInfo[staId].isUsed ) |
| 1462 | { |
| 1463 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
| 1464 | "clean up old entry for STA %d", staId); |
| 1465 | hdd_softap_DeregisterSTA( pAdapter, staId ); |
| 1466 | } |
| 1467 | |
| 1468 | // Get the Station ID from the one saved during the assocation. |
| 1469 | |
| 1470 | staDesc.ucSTAId = staId; |
| 1471 | |
| 1472 | |
| 1473 | /*Save the pAdapter Pointer for this staId*/ |
| 1474 | pHddCtx->sta_to_adapter[staId] = pAdapter; |
| 1475 | |
| 1476 | staDesc.wSTAType = WLAN_STA_SOFTAP; |
| 1477 | |
| 1478 | vos_mem_copy( staDesc.vSTAMACAddress.bytes, pPeerMacAddress->bytes,sizeof(pPeerMacAddress->bytes) ); |
| 1479 | vos_mem_copy( staDesc.vBSSIDforIBSS.bytes, &pAdapter->macAddressCurrent,6 ); |
| 1480 | vos_copy_macaddr( &staDesc.vSelfMACAddress, &pAdapter->macAddressCurrent ); |
| 1481 | |
| 1482 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
| 1483 | "register station \n"); |
| 1484 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
| 1485 | "station mac %02x:%02x:%02x:%02x:%02x:%02x", |
| 1486 | staDesc.vSTAMACAddress.bytes[0], |
| 1487 | staDesc.vSTAMACAddress.bytes[1], |
| 1488 | staDesc.vSTAMACAddress.bytes[2], |
| 1489 | staDesc.vSTAMACAddress.bytes[3], |
| 1490 | staDesc.vSTAMACAddress.bytes[4], |
| 1491 | staDesc.vSTAMACAddress.bytes[5]); |
| 1492 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
| 1493 | "BSSIDforIBSS %02x:%02x:%02x:%02x:%02x:%02x", |
| 1494 | staDesc.vBSSIDforIBSS.bytes[0], |
| 1495 | staDesc.vBSSIDforIBSS.bytes[1], |
| 1496 | staDesc.vBSSIDforIBSS.bytes[2], |
| 1497 | staDesc.vBSSIDforIBSS.bytes[3], |
| 1498 | staDesc.vBSSIDforIBSS.bytes[4], |
| 1499 | staDesc.vBSSIDforIBSS.bytes[5]); |
| 1500 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
| 1501 | "SOFTAP SELFMAC %02x:%02x:%02x:%02x:%02x:%02x", |
| 1502 | staDesc.vSelfMACAddress.bytes[0], |
| 1503 | staDesc.vSelfMACAddress.bytes[1], |
| 1504 | staDesc.vSelfMACAddress.bytes[2], |
| 1505 | staDesc.vSelfMACAddress.bytes[3], |
| 1506 | staDesc.vSelfMACAddress.bytes[4], |
| 1507 | staDesc.vSelfMACAddress.bytes[5]); |
| 1508 | |
| 1509 | vosStatus = hdd_softap_init_tx_rx_sta(pAdapter, staId, &staDesc.vSTAMACAddress); |
| 1510 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1511 | staDesc.ucQosEnabled = fWmmEnabled; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1512 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
| 1513 | "HDD SOFTAP register TL QoS_enabled=%d", |
| 1514 | staDesc.ucQosEnabled ); |
| 1515 | |
| 1516 | staDesc.ucProtectedFrame = (v_U8_t)fPrivacyBit ; |
| 1517 | |
| 1518 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1519 | // For PRIMA UMA frame translation is not enable yet. |
| 1520 | staDesc.ucSwFrameTXXlation = 1; |
| 1521 | staDesc.ucSwFrameRXXlation = 1; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1522 | staDesc.ucAddRmvLLC = 1; |
| 1523 | |
| 1524 | // Initialize signatures and state |
| 1525 | staDesc.ucUcastSig = ucastSig; |
| 1526 | staDesc.ucBcastSig = bcastSig; |
| 1527 | staDesc.ucInitState = fAuthRequired ? |
| 1528 | WLANTL_STA_CONNECTED : WLANTL_STA_AUTHENTICATED; |
| 1529 | |
Prathyusha | f544280 | 2012-12-12 13:58:11 -0800 | [diff] [blame] | 1530 | staDesc.ucIsReplayCheckValid = VOS_FALSE; |
| 1531 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1532 | // Register the Station with TL... |
| 1533 | vosStatus = WLANTL_RegisterSTAClient( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 1534 | hdd_softap_rx_packet_cbk, |
| 1535 | hdd_softap_tx_complete_cbk, |
| 1536 | hdd_softap_tx_fetch_packet_cbk, &staDesc, 0 ); |
| 1537 | |
| 1538 | if ( !VOS_IS_STATUS_SUCCESS( vosStatus ) ) |
| 1539 | { |
| 1540 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
| 1541 | "SOFTAP WLANTL_RegisterSTAClient() failed to register. Status= %d [0x%08lX]", |
| 1542 | vosStatus, vosStatus ); |
| 1543 | return vosStatus; |
| 1544 | } |
| 1545 | |
| 1546 | // if ( WPA ), tell TL to go to 'connected' and after keys come to the driver, |
| 1547 | // then go to 'authenticated'. For all other authentication types (those that do |
| 1548 | // not require upper layer authentication) we can put TL directly into 'authenticated' |
| 1549 | // state. |
| 1550 | |
| 1551 | //VOS_ASSERT( fConnected ); |
| 1552 | pAdapter->aStaInfo[staId].ucSTAId = staId; |
| 1553 | pAdapter->aStaInfo[staId].isQosEnabled = fWmmEnabled; |
| 1554 | |
| 1555 | if ( !fAuthRequired ) |
| 1556 | { |
| 1557 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
| 1558 | "open/shared auth StaId= %d. Changing TL state to AUTHENTICATED at Join time", pAdapter->aStaInfo[staId].ucSTAId ); |
| 1559 | |
| 1560 | // Connections that do not need Upper layer auth, transition TL directly |
| 1561 | // to 'Authenticated' state. |
| 1562 | vosStatus = WLANTL_ChangeSTAState( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, staDesc.ucSTAId, |
| 1563 | WLANTL_STA_AUTHENTICATED ); |
| 1564 | |
| 1565 | pAdapter->aStaInfo[staId].tlSTAState = WLANTL_STA_AUTHENTICATED; |
| 1566 | pAdapter->sessionCtx.ap.uIsAuthenticated = VOS_TRUE; |
| 1567 | } |
| 1568 | else |
| 1569 | { |
| 1570 | |
| 1571 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
| 1572 | "ULA auth StaId= %d. Changing TL state to CONNECTED at Join time", pAdapter->aStaInfo[staId].ucSTAId ); |
| 1573 | |
| 1574 | vosStatus = WLANTL_ChangeSTAState( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, staDesc.ucSTAId, |
| 1575 | WLANTL_STA_CONNECTED ); |
| 1576 | pAdapter->aStaInfo[staId].tlSTAState = WLANTL_STA_CONNECTED; |
| 1577 | |
| 1578 | pAdapter->sessionCtx.ap.uIsAuthenticated = VOS_FALSE; |
| 1579 | |
| 1580 | } |
| 1581 | pmonAdapter= hdd_get_mon_adapter( pAdapter->pHddCtx); |
| 1582 | if(pmonAdapter) |
| 1583 | { |
| 1584 | hddLog(VOS_TRACE_LEVEL_INFO_HIGH, "Turn on Monitor the carrier\n"); |
| 1585 | netif_carrier_on(pmonAdapter->dev); |
| 1586 | //Enable Tx queue |
| 1587 | netif_tx_start_all_queues(pmonAdapter->dev); |
| 1588 | } |
| 1589 | netif_carrier_on(pAdapter->dev); |
| 1590 | //Enable Tx queue |
| 1591 | netif_tx_start_all_queues(pAdapter->dev); |
| 1592 | |
| 1593 | return( vosStatus ); |
| 1594 | } |
| 1595 | |
| 1596 | VOS_STATUS hdd_softap_Register_BC_STA( hdd_adapter_t *pAdapter, v_BOOL_t fPrivacyBit) |
| 1597 | { |
| 1598 | VOS_STATUS vosStatus = VOS_STATUS_E_FAILURE; |
| 1599 | hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| 1600 | v_MACADDR_t broadcastMacAddr = VOS_MAC_ADDR_BROADCAST_INITIALIZER; |
| 1601 | |
| 1602 | |
| 1603 | pHddCtx->sta_to_adapter[WLAN_RX_BCMC_STA_ID] = pAdapter; |
| 1604 | pHddCtx->sta_to_adapter[WLAN_RX_SAP_SELF_STA_ID] = pAdapter; |
| 1605 | vosStatus = hdd_softap_RegisterSTA( pAdapter, VOS_FALSE, fPrivacyBit, (WLAN_HDD_GET_AP_CTX_PTR(pAdapter))->uBCStaId, 0, 1, &broadcastMacAddr,0); |
| 1606 | |
| 1607 | return vosStatus; |
| 1608 | } |
| 1609 | |
| 1610 | VOS_STATUS hdd_softap_Deregister_BC_STA( hdd_adapter_t *pAdapter) |
| 1611 | { |
| 1612 | return hdd_softap_DeregisterSTA( pAdapter, (WLAN_HDD_GET_AP_CTX_PTR(pAdapter))->uBCStaId); |
| 1613 | } |
| 1614 | |
| 1615 | VOS_STATUS hdd_softap_stop_bss( hdd_adapter_t *pAdapter) |
| 1616 | { |
| 1617 | VOS_STATUS vosStatus = VOS_STATUS_E_FAILURE; |
| 1618 | v_U8_t staId = 0; |
| 1619 | |
| 1620 | vosStatus = hdd_softap_Deregister_BC_STA( pAdapter); |
| 1621 | |
Jeff Johnson | 43971f5 | 2012-07-17 12:26:56 -0700 | [diff] [blame] | 1622 | if (!VOS_IS_STATUS_SUCCESS(vosStatus)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1623 | { |
| 1624 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1625 | "%s: Failed to deregister BC sta Id %d", __func__, (WLAN_HDD_GET_AP_CTX_PTR(pAdapter))->uBCStaId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1626 | } |
| 1627 | |
| 1628 | for (staId = 0; staId < WLAN_MAX_STA_COUNT; staId++) |
| 1629 | { |
| 1630 | if (pAdapter->aStaInfo[staId].isUsed)// This excludes BC sta as it is already deregistered |
| 1631 | vosStatus = hdd_softap_DeregisterSTA( pAdapter, staId); |
| 1632 | |
Jeff Johnson | 43971f5 | 2012-07-17 12:26:56 -0700 | [diff] [blame] | 1633 | if (!VOS_IS_STATUS_SUCCESS(vosStatus)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1634 | { |
| 1635 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1636 | "%s: Failed to deregister sta Id %d", __func__, staId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1637 | } |
| 1638 | } |
| 1639 | |
| 1640 | return vosStatus; |
| 1641 | } |
| 1642 | |
| 1643 | VOS_STATUS hdd_softap_change_STA_state( hdd_adapter_t *pAdapter, v_MACADDR_t *pDestMacAddress, WLANTL_STAStateType state) |
| 1644 | { |
| 1645 | v_U8_t ucSTAId = WLAN_MAX_STA_COUNT; |
| 1646 | VOS_STATUS vosStatus = eHAL_STATUS_SUCCESS; |
| 1647 | v_CONTEXT_t pVosContext = (WLAN_HDD_GET_CTX(pAdapter))->pvosContext; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1648 | |
| 1649 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1650 | "%s: enter", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1651 | |
Jeff Johnson | 43971f5 | 2012-07-17 12:26:56 -0700 | [diff] [blame] | 1652 | if (VOS_STATUS_SUCCESS != hdd_softap_GetStaId(pAdapter, pDestMacAddress, &ucSTAId)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1653 | { |
| 1654 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1655 | "%s: Failed to find right station", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1656 | return VOS_STATUS_E_FAILURE; |
| 1657 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1658 | |
| 1659 | if (FALSE == vos_is_macaddr_equal(&pAdapter->aStaInfo[ucSTAId].macAddrSTA, pDestMacAddress)) |
| 1660 | { |
| 1661 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1662 | "%s: Station MAC address does not matching", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1663 | return VOS_STATUS_E_FAILURE; |
| 1664 | } |
| 1665 | |
| 1666 | vosStatus = WLANTL_ChangeSTAState( pVosContext, ucSTAId, state ); |
| 1667 | VOS_TRACE( VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1668 | "%s: change station to state %d succeed", __func__, state); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1669 | |
Jeff Johnson | 43971f5 | 2012-07-17 12:26:56 -0700 | [diff] [blame] | 1670 | if (VOS_STATUS_SUCCESS == vosStatus) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1671 | { |
| 1672 | pAdapter->aStaInfo[ucSTAId].tlSTAState = WLANTL_STA_AUTHENTICATED; |
| 1673 | } |
| 1674 | |
| 1675 | VOS_TRACE(VOS_MODULE_ID_HDD_SOFTAP, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1676 | "%s exit\n",__func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1677 | |
| 1678 | return vosStatus; |
| 1679 | } |
| 1680 | |
| 1681 | |
| 1682 | VOS_STATUS hdd_softap_GetStaId(hdd_adapter_t *pAdapter, v_MACADDR_t *pMacAddress, v_U8_t *staId) |
| 1683 | { |
| 1684 | v_U8_t i; |
| 1685 | |
| 1686 | for (i = 0; i < WLAN_MAX_STA_COUNT; i++) |
| 1687 | { |
| 1688 | if (vos_mem_compare(&pAdapter->aStaInfo[i].macAddrSTA, pMacAddress, sizeof(v_MACADDR_t)) && |
| 1689 | pAdapter->aStaInfo[i].isUsed) |
| 1690 | { |
| 1691 | *staId = i; |
| 1692 | return VOS_STATUS_SUCCESS; |
| 1693 | } |
| 1694 | } |
| 1695 | |
| 1696 | return VOS_STATUS_E_FAILURE; |
| 1697 | } |
| 1698 | |