Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2 | * Copyright (c) 2012-2014 The Linux Foundation. All rights reserved. |
Kiet Lam | 842dad0 | 2014-02-18 18:44:02 -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. |
Gopichand Nakkala | 92f07d8 | 2013-01-08 21:16:34 -0800 | [diff] [blame] | 20 | */ |
Kiet Lam | 842dad0 | 2014-02-18 18:44:02 -0800 | [diff] [blame] | 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 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 28 | /**=========================================================================== |
| 29 | |
| 30 | \file wlan_hdd_tx_rx.c |
| 31 | |
| 32 | \brief Linux HDD Tx/RX APIs |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 33 | |
| 34 | ==========================================================================*/ |
| 35 | |
| 36 | /*--------------------------------------------------------------------------- |
| 37 | Include files |
| 38 | -------------------------------------------------------------------------*/ |
| 39 | #include <wlan_hdd_tx_rx.h> |
| 40 | #include <wlan_hdd_softap_tx_rx.h> |
| 41 | #include <wlan_hdd_dp_utils.h> |
| 42 | #include <wlan_qct_tl.h> |
| 43 | #include <linux/netdevice.h> |
| 44 | #include <linux/skbuff.h> |
| 45 | #include <linux/etherdevice.h> |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 46 | #include <linux/ratelimit.h> |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 47 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0)) |
| 48 | #include <soc/qcom/subsystem_restart.h> |
| 49 | #else |
| 50 | #include <mach/subsystem_restart.h> |
| 51 | #endif |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 52 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 53 | #include <wlan_hdd_p2p.h> |
| 54 | #include <linux/wireless.h> |
| 55 | #include <net/cfg80211.h> |
| 56 | #include <net/ieee80211_radiotap.h> |
| 57 | #include "sapApi.h" |
Mahesh A Saptasgar | 6453461 | 2014-09-23 13:13:33 +0530 | [diff] [blame] | 58 | #include <vos_sched.h> |
Chilam NG | 571c65a | 2013-01-19 12:27:36 +0530 | [diff] [blame] | 59 | #ifdef FEATURE_WLAN_TDLS |
| 60 | #include "wlan_hdd_tdls.h" |
| 61 | #endif |
| 62 | |
Mukul Sharma | 84f2725 | 2014-07-14 18:11:42 +0530 | [diff] [blame] | 63 | #ifdef DEBUG_ROAM_DELAY |
| 64 | #include "vos_utils.h" |
| 65 | #endif |
Sachin Ahuja | bcb0b7e | 2014-11-07 13:01:24 +0530 | [diff] [blame] | 66 | #include "sapInternal.h" |
Mihir Shete | 5d148f1 | 2014-12-16 17:54:49 +0530 | [diff] [blame] | 67 | #include "wlan_hdd_trace.h" |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 68 | /*--------------------------------------------------------------------------- |
| 69 | Preprocessor definitions and constants |
| 70 | -------------------------------------------------------------------------*/ |
| 71 | |
| 72 | const v_U8_t hddWmmAcToHighestUp[] = { |
| 73 | SME_QOS_WMM_UP_RESV, |
| 74 | SME_QOS_WMM_UP_EE, |
| 75 | SME_QOS_WMM_UP_VI, |
| 76 | SME_QOS_WMM_UP_NC |
| 77 | }; |
| 78 | |
| 79 | //Mapping Linux AC interpretation to TL AC. |
| 80 | const v_U8_t hdd_QdiscAcToTlAC[] = { |
| 81 | WLANTL_AC_VO, |
| 82 | WLANTL_AC_VI, |
| 83 | WLANTL_AC_BE, |
| 84 | WLANTL_AC_BK, |
| 85 | }; |
| 86 | |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 87 | #define HDD_TX_TIMEOUT_RATELIMIT_INTERVAL 20*HZ |
| 88 | #define HDD_TX_TIMEOUT_RATELIMIT_BURST 1 |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 89 | #define HDD_TX_STALL_SSR_THRESHOLD 5 |
Mihir Shete | 327c2ab | 2014-11-13 15:17:02 +0530 | [diff] [blame] | 90 | #define HDD_TX_STALL_RECOVERY_THRESHOLD HDD_TX_STALL_SSR_THRESHOLD - 2 |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 91 | |
| 92 | static DEFINE_RATELIMIT_STATE(hdd_tx_timeout_rs, \ |
| 93 | HDD_TX_TIMEOUT_RATELIMIT_INTERVAL, \ |
| 94 | HDD_TX_TIMEOUT_RATELIMIT_BURST); |
| 95 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 96 | static struct sk_buff* hdd_mon_tx_fetch_pkt(hdd_adapter_t* pAdapter); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 97 | |
| 98 | /*--------------------------------------------------------------------------- |
| 99 | Type declarations |
| 100 | -------------------------------------------------------------------------*/ |
| 101 | |
| 102 | /*--------------------------------------------------------------------------- |
| 103 | Function definitions and documenation |
| 104 | -------------------------------------------------------------------------*/ |
| 105 | |
| 106 | #ifdef DATA_PATH_UNIT_TEST |
| 107 | //Utility function to dump an sk_buff |
| 108 | static void dump_sk_buff(struct sk_buff * skb) |
| 109 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 110 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"%s: head = %p", __func__, skb->head); |
| 111 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"%s: data = %p", __func__, skb->data); |
| 112 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"%s: tail = %p", __func__, skb->tail); |
| 113 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"%s: end = %p", __func__, skb->end); |
| 114 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"%s: len = %d", __func__, skb->len); |
| 115 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"%s: data_len = %d", __func__, skb->data_len); |
| 116 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"%s: mac_len = %d", __func__, skb->mac_len); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 117 | |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 118 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 119 | skb->data[0], skb->data[1], skb->data[2], skb->data[3], skb->data[4], |
| 120 | skb->data[5], skb->data[6], skb->data[7]); |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 121 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x", |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 122 | skb->data[8], skb->data[9], skb->data[10], skb->data[11], skb->data[12], |
| 123 | skb->data[13], skb->data[14], skb->data[15]); |
| 124 | } |
| 125 | |
| 126 | //Function for Unit Test only |
| 127 | static void transport_thread(hdd_adapter_t *pAdapter) |
| 128 | { |
| 129 | v_U8_t staId; |
| 130 | WLANTL_ACEnumType ac = WLANTL_AC_BE; |
| 131 | vos_pkt_t *pVosPacket = NULL ; |
| 132 | vos_pkt_t dummyPacket; |
| 133 | WLANTL_MetaInfoType pktMetaInfo; |
| 134 | WLANTL_RxMetaInfoType pktRxMetaInfo; |
| 135 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 136 | |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 137 | if (NULL == pAdapter) |
| 138 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 139 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 140 | FL("pAdapter is NULL")); |
| 141 | VOS_ASSERT(0); |
| 142 | return; |
| 143 | } |
| 144 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 145 | status = hdd_tx_fetch_packet_cbk( pAdapter->pvosContext, |
| 146 | &staId, |
| 147 | &ac, |
| 148 | &pVosPacket, |
| 149 | &pktMetaInfo ); |
| 150 | if (status != VOS_STATUS_SUCCESS && status != VOS_STATUS_E_EMPTY) |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 151 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 152 | "%s: Test FAIL hdd_tx_fetch_packet_cbk", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 153 | else |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 154 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 155 | "%s: Test PASS hdd_tx_fetch_packet_cbk", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 156 | |
Madan Mohan Koyyalamudi | 4e31b13 | 2012-11-02 13:13:52 -0700 | [diff] [blame] | 157 | status = hdd_tx_complete_cbk(pAdapter->pvosContext, &dummyPacket, VOS_STATUS_SUCCESS); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 158 | if (status != VOS_STATUS_SUCCESS) |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 159 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 160 | "%s: Test FAIL hdd_tx_complete_cbk", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 161 | else |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 162 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 163 | "%s: Test PASS hdd_tx_complete_cbk", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 164 | |
| 165 | status = hdd_tx_low_resource_cbk(pVosPacket, pAdapter); |
| 166 | if (status != VOS_STATUS_SUCCESS) |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 167 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 168 | "%s: Test FAIL hdd_tx_low_resource_cbk", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 169 | else |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 170 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 171 | "%s: Test PASS hdd_tx_low_resource_cbk", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 172 | |
| 173 | status = hdd_rx_packet_cbk( pAdapter->pvosContext, |
| 174 | &dummyPacket, |
| 175 | staId, |
| 176 | &pktRxMetaInfo); |
| 177 | if (status != VOS_STATUS_SUCCESS) |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 178 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 179 | "%s: Test FAIL hdd_rx_packet_cbk", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 180 | else |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 181 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 182 | "%s: Test PASS hdd_rx_packet_cbk", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 183 | |
| 184 | } |
| 185 | #endif |
| 186 | |
| 187 | |
| 188 | /**============================================================================ |
| 189 | @brief hdd_flush_tx_queues() - Utility function to flush the TX queues |
| 190 | |
| 191 | @param pAdapter : [in] pointer to adapter context |
| 192 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 193 | : VOS_STATUS_SUCCESS otherwise |
| 194 | ===========================================================================*/ |
| 195 | static VOS_STATUS hdd_flush_tx_queues( hdd_adapter_t *pAdapter ) |
| 196 | { |
| 197 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 198 | v_SINT_t i = -1; |
| 199 | hdd_list_node_t *anchor = NULL; |
| 200 | skb_list_node_t *pktNode = NULL; |
| 201 | struct sk_buff *skb = NULL; |
| 202 | |
Madan Mohan Koyyalamudi | fd3b7a9 | 2013-10-10 15:02:58 +0530 | [diff] [blame] | 203 | pAdapter->isVosLowResource = VOS_FALSE; |
| 204 | |
Mihir Shete | 5d148f1 | 2014-12-16 17:54:49 +0530 | [diff] [blame] | 205 | MTRACE(vos_trace(VOS_MODULE_ID_HDD, TRACE_CODE_HDD_FLUSH_TX_QUEUES, |
| 206 | pAdapter->sessionId, 0)); |
| 207 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 208 | while (++i != NUM_TX_QUEUES) |
| 209 | { |
| 210 | //Free up any packets in the Tx queue |
| 211 | spin_lock_bh(&pAdapter->wmm_tx_queue[i].lock); |
| 212 | while (true) |
| 213 | { |
| 214 | status = hdd_list_remove_front( &pAdapter->wmm_tx_queue[i], &anchor ); |
| 215 | if(VOS_STATUS_E_EMPTY != status) |
| 216 | { |
| 217 | pktNode = list_entry(anchor, skb_list_node_t, anchor); |
| 218 | skb = pktNode->skb; |
| 219 | //TODO |
| 220 | //++pAdapter->stats.tx_dropped; |
| 221 | ++pAdapter->hdd_stats.hddTxRxStats.txFlushed; |
| 222 | ++pAdapter->hdd_stats.hddTxRxStats.txFlushedAC[i]; |
| 223 | kfree_skb(skb); |
| 224 | continue; |
| 225 | } |
| 226 | break; |
| 227 | } |
| 228 | spin_unlock_bh(&pAdapter->wmm_tx_queue[i].lock); |
| 229 | // backpressure is no longer in effect |
| 230 | pAdapter->isTxSuspended[i] = VOS_FALSE; |
| 231 | } |
| 232 | |
| 233 | return status; |
| 234 | } |
| 235 | |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 236 | /**============================================================================ |
| 237 | @brief hdd_flush_ibss_tx_queues() - Utility function to flush the TX queues |
| 238 | in IBSS mode |
| 239 | |
| 240 | @param pAdapter : [in] pointer to adapter context |
| 241 | : [in] Staion Id |
| 242 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 243 | : VOS_STATUS_SUCCESS otherwise |
| 244 | ===========================================================================*/ |
| 245 | void hdd_flush_ibss_tx_queues( hdd_adapter_t *pAdapter, v_U8_t STAId) |
| 246 | { |
| 247 | v_U8_t i; |
Ravi Joshi | 4191463 | 2013-10-21 23:02:21 -0700 | [diff] [blame] | 248 | v_SIZE_t size = 0; |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 249 | v_U8_t skbStaIdx; |
Ravi Joshi | 4191463 | 2013-10-21 23:02:21 -0700 | [diff] [blame] | 250 | skb_list_node_t *pktNode = NULL; |
| 251 | hdd_list_node_t *tmp = NULL, *next = NULL; |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 252 | struct netdev_queue *txq; |
Ravi Joshi | 4191463 | 2013-10-21 23:02:21 -0700 | [diff] [blame] | 253 | struct sk_buff *skb = NULL; |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 254 | |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 255 | if (NULL == pAdapter) |
| 256 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 257 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 258 | FL("pAdapter is NULL %u"), STAId); |
| 259 | VOS_ASSERT(0); |
| 260 | return; |
| 261 | } |
| 262 | |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 263 | for (i = 0; i < NUM_TX_QUEUES; i++) |
| 264 | { |
| 265 | spin_lock_bh(&pAdapter->wmm_tx_queue[i].lock); |
| 266 | |
| 267 | if ( list_empty( &pAdapter->wmm_tx_queue[i].anchor ) ) |
| 268 | { |
| 269 | spin_unlock_bh(&pAdapter->wmm_tx_queue[i].lock); |
| 270 | continue; |
| 271 | } |
| 272 | |
| 273 | /* Iterate through the queue and identify the data for STAId */ |
Ravi Joshi | 4191463 | 2013-10-21 23:02:21 -0700 | [diff] [blame] | 274 | list_for_each_safe(tmp, next, &pAdapter->wmm_tx_queue[i].anchor) |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 275 | { |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 276 | pktNode = list_entry(tmp, skb_list_node_t, anchor); |
| 277 | if (pktNode != NULL) |
| 278 | { |
| 279 | skb = pktNode->skb; |
| 280 | |
| 281 | /* Get the STAId from data */ |
| 282 | skbStaIdx = *(v_U8_t *)(((v_U8_t *)(skb->data)) - 1); |
| 283 | if (skbStaIdx == STAId) |
| 284 | { |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 285 | /* Data for STAId is freed along with the queue node */ |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 286 | list_del(tmp); |
Mihir Shete | 31e1e39 | 2014-03-24 17:09:09 +0530 | [diff] [blame] | 287 | kfree_skb(skb); |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 288 | |
| 289 | ++pAdapter->hdd_stats.hddTxRxStats.txFlushed; |
| 290 | ++pAdapter->hdd_stats.hddTxRxStats.txFlushedAC[i]; |
| 291 | pAdapter->wmm_tx_queue[i].count--; |
| 292 | } |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | /* Restart the queue only-if suspend and the queue was flushed */ |
Ravi Joshi | 4191463 | 2013-10-21 23:02:21 -0700 | [diff] [blame] | 297 | hdd_list_size( &pAdapter->wmm_tx_queue[i], &size ); |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 298 | txq = netdev_get_tx_queue(pAdapter->dev, i); |
Ravi Joshi | 4191463 | 2013-10-21 23:02:21 -0700 | [diff] [blame] | 299 | |
| 300 | if (VOS_TRUE == pAdapter->isTxSuspended[i] && |
| 301 | size <= HDD_TX_QUEUE_LOW_WATER_MARK && |
| 302 | netif_tx_queue_stopped(txq) ) |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 303 | { |
Padma, Santhosh Kumar | 9dacb5c | 2014-12-17 19:22:56 +0530 | [diff] [blame] | 304 | hddLog(VOS_TRACE_LEVEL_INFO, FL("Enabling queue for queue %d"),i); |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 305 | netif_tx_start_queue(txq); |
Ravi Joshi | 4191463 | 2013-10-21 23:02:21 -0700 | [diff] [blame] | 306 | pAdapter->isTxSuspended[i] = VOS_FALSE; |
| 307 | ++pAdapter->hdd_stats.hddTxRxStats.txDequeDePressured; |
| 308 | ++pAdapter->hdd_stats.hddTxRxStats.txDequeDePressuredAC[i]; |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 309 | } |
| 310 | |
| 311 | spin_unlock_bh(&pAdapter->wmm_tx_queue[i].lock); |
| 312 | } |
| 313 | } |
| 314 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 315 | static struct sk_buff* hdd_mon_tx_fetch_pkt(hdd_adapter_t* pAdapter) |
| 316 | { |
| 317 | skb_list_node_t *pktNode = NULL; |
| 318 | struct sk_buff *skb = NULL; |
| 319 | v_SIZE_t size = 0; |
| 320 | WLANTL_ACEnumType ac = 0; |
| 321 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 322 | hdd_list_node_t *anchor = NULL; |
| 323 | |
c_hpothu | 77731d4 | 2014-01-23 13:59:03 +0530 | [diff] [blame] | 324 | if (NULL == pAdapter) |
| 325 | { |
| 326 | VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, |
| 327 | FL("pAdapter is NULL")); |
| 328 | VOS_ASSERT(0); |
| 329 | return NULL; |
| 330 | } |
| 331 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 332 | // do we have any packets pending in this AC? |
| 333 | hdd_list_size( &pAdapter->wmm_tx_queue[ac], &size ); |
| 334 | if( size == 0 ) |
| 335 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 336 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 337 | "%s: NO Packet Pending", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 338 | return NULL; |
| 339 | } |
| 340 | |
| 341 | //Remove the packet from the queue |
| 342 | spin_lock_bh(&pAdapter->wmm_tx_queue[ac].lock); |
| 343 | status = hdd_list_remove_front( &pAdapter->wmm_tx_queue[ac], &anchor ); |
| 344 | spin_unlock_bh(&pAdapter->wmm_tx_queue[ac].lock); |
| 345 | |
| 346 | if(VOS_STATUS_SUCCESS == status) |
| 347 | { |
| 348 | //If success then we got a valid packet from some AC |
| 349 | pktNode = list_entry(anchor, skb_list_node_t, anchor); |
| 350 | skb = pktNode->skb; |
| 351 | } |
| 352 | else |
| 353 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 354 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 355 | "%s: Not able to remove Packet from the list", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 356 | __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 357 | |
| 358 | return NULL; |
| 359 | } |
| 360 | |
| 361 | // if we are in a backpressure situation see if we can turn the hose back on |
| 362 | if ( (pAdapter->isTxSuspended[ac]) && |
| 363 | (size <= HDD_TX_QUEUE_LOW_WATER_MARK) ) |
| 364 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 365 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_WARN, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 366 | "%s: TX queue[%d] re-enabled", __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 367 | pAdapter->isTxSuspended[ac] = VOS_FALSE; |
| 368 | /* Enable Queues which we have disabled earlier */ |
Padma, Santhosh Kumar | 9dacb5c | 2014-12-17 19:22:56 +0530 | [diff] [blame] | 369 | hddLog(VOS_TRACE_LEVEL_INFO, FL("Enabling queues")); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 370 | netif_tx_start_all_queues( pAdapter->dev ); |
| 371 | } |
| 372 | |
| 373 | return skb; |
| 374 | } |
| 375 | |
| 376 | void hdd_mon_tx_mgmt_pkt(hdd_adapter_t* pAdapter) |
| 377 | { |
| 378 | hdd_cfg80211_state_t *cfgState; |
| 379 | struct sk_buff* skb; |
| 380 | hdd_adapter_t* pMonAdapter = NULL; |
| 381 | struct ieee80211_hdr *hdr; |
| 382 | |
Mukul Sharma | 23a9223 | 2014-04-07 18:04:00 +0530 | [diff] [blame] | 383 | if (pAdapter == NULL) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 384 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 385 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 386 | FL("pAdapter is NULL")); |
| 387 | VOS_ASSERT(0); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 388 | return; |
| 389 | } |
| 390 | |
| 391 | pMonAdapter = hdd_get_adapter( pAdapter->pHddCtx, WLAN_HDD_MONITOR ); |
Mukul Sharma | 23a9223 | 2014-04-07 18:04:00 +0530 | [diff] [blame] | 392 | if (pMonAdapter == NULL) |
| 393 | { |
| 394 | hddLog(VOS_TRACE_LEVEL_ERROR, |
| 395 | "%s: pMonAdapter is NULL", __func__); |
| 396 | return; |
| 397 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 398 | cfgState = WLAN_HDD_GET_CFG_STATE_PTR( pAdapter ); |
| 399 | |
| 400 | if( NULL != cfgState->buf ) |
| 401 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 402 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 403 | "%s: Already one MGMT packet Tx going on", __func__); |
| 404 | return; |
| 405 | } |
| 406 | |
| 407 | skb = hdd_mon_tx_fetch_pkt(pMonAdapter); |
| 408 | |
| 409 | if (NULL == skb) |
| 410 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 411 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 412 | "%s: No Packet Pending", __func__); |
| 413 | return; |
| 414 | } |
| 415 | |
| 416 | cfgState->buf = vos_mem_malloc( skb->len ); //buf; |
| 417 | if( cfgState->buf == NULL ) |
| 418 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 419 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 420 | "%s: Failed to Allocate memory", __func__); |
| 421 | goto fail; |
| 422 | } |
| 423 | |
| 424 | cfgState->len = skb->len; |
| 425 | |
| 426 | vos_mem_copy( cfgState->buf, skb->data, skb->len); |
| 427 | |
| 428 | cfgState->skb = skb; //buf; |
Jeff Johnson | f67dca9 | 2013-11-08 17:07:40 -0800 | [diff] [blame] | 429 | cfgState->action_cookie = (uintptr_t)cfgState->buf; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 430 | |
| 431 | hdr = (struct ieee80211_hdr *)skb->data; |
| 432 | if( (hdr->frame_control & HDD_FRAME_TYPE_MASK) |
| 433 | == HDD_FRAME_TYPE_MGMT ) |
| 434 | { |
| 435 | if( (hdr->frame_control & HDD_FRAME_SUBTYPE_MASK) |
| 436 | == HDD_FRAME_SUBTYPE_DEAUTH ) |
| 437 | { |
Hanumantha Reddy Pothula | bfd06f7 | 2014-10-31 14:03:37 +0530 | [diff] [blame] | 438 | struct tagCsrDelStaParams delStaParams; |
| 439 | |
Sushant Kaushik | 4cd28f6 | 2014-12-26 14:23:50 +0530 | [diff] [blame] | 440 | WLANSAP_PopulateDelStaParams(hdr->addr1, |
| 441 | eSIR_MAC_DEAUTH_LEAVING_BSS_REASON, |
Hanumantha Reddy Pothula | bfd06f7 | 2014-10-31 14:03:37 +0530 | [diff] [blame] | 442 | (SIR_MAC_MGMT_DEAUTH >> 4), &delStaParams); |
| 443 | |
| 444 | hdd_softap_sta_deauth(pAdapter, &delStaParams); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 445 | goto mgmt_handled; |
| 446 | } |
| 447 | else if( (hdr->frame_control & HDD_FRAME_SUBTYPE_MASK) |
| 448 | == HDD_FRAME_SUBTYPE_DISASSOC ) |
| 449 | { |
| 450 | hdd_softap_sta_disassoc( pAdapter, hdr->addr1 ); |
| 451 | goto mgmt_handled; |
| 452 | } |
| 453 | } |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 454 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 455 | "%s: Sending action frame to SAP to TX, Len %d", __func__, skb->len); |
| 456 | |
Jeff Johnson | 43971f5 | 2012-07-17 12:26:56 -0700 | [diff] [blame] | 457 | if (VOS_STATUS_SUCCESS != |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 458 | WLANSAP_SendAction( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
Jeff Johnson | e724574 | 2012-09-05 17:12:55 -0700 | [diff] [blame] | 459 | skb->data, skb->len, 0) ) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 460 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 461 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 462 | "%s: WLANSAP_SendAction returned fail", __func__); |
| 463 | hdd_sendActionCnf( pAdapter, FALSE ); |
| 464 | } |
| 465 | return; |
| 466 | |
| 467 | mgmt_handled: |
| 468 | hdd_sendActionCnf( pAdapter, TRUE ); |
| 469 | return; |
| 470 | fail: |
| 471 | kfree_skb(pAdapter->skb_to_tx); |
| 472 | pAdapter->skb_to_tx = NULL; |
| 473 | return; |
| 474 | } |
| 475 | |
| 476 | void hdd_mon_tx_work_queue(struct work_struct *work) |
| 477 | { |
| 478 | hdd_adapter_t* pAdapter = container_of(work, hdd_adapter_t, monTxWorkQueue); |
| 479 | hdd_mon_tx_mgmt_pkt(pAdapter); |
| 480 | } |
| 481 | |
| 482 | int hdd_mon_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| 483 | { |
| 484 | v_U16_t rt_hdr_len; |
| 485 | struct ieee80211_hdr *hdr; |
| 486 | hdd_adapter_t *pPgBkAdapter, *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 487 | struct ieee80211_radiotap_header *rtap_hdr = |
| 488 | (struct ieee80211_radiotap_header *)skb->data; |
| 489 | |
| 490 | /*Supplicant sends the EAPOL packet on monitor interface*/ |
| 491 | pPgBkAdapter = pAdapter->sessionCtx.monitor.pAdapterForTx; |
| 492 | if(pPgBkAdapter == NULL) |
| 493 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 494 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_FATAL, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 495 | "%s: No Adapter to piggy back. Dropping the pkt on monitor inf", |
| 496 | __func__); |
| 497 | goto fail; /* too short to be possibly valid */ |
| 498 | } |
| 499 | |
| 500 | /* check if toal skb length is greater then radio tab header length of not */ |
| 501 | if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header))) |
| 502 | goto fail; /* too short to be possibly valid */ |
| 503 | |
| 504 | /* check if radio tap header version is correct or not */ |
| 505 | if (unlikely(rtap_hdr->it_version)) |
| 506 | goto fail; /* only version 0 is supported */ |
| 507 | |
| 508 | /*Strip off the radio tap header*/ |
| 509 | rt_hdr_len = ieee80211_get_radiotap_len(skb->data); |
| 510 | |
| 511 | /* check if skb length if greator then total radio tap header length ot not*/ |
| 512 | if (unlikely(skb->len < rt_hdr_len)) |
| 513 | goto fail; |
| 514 | |
| 515 | /* Update the trans_start for this netdev */ |
| 516 | dev->trans_start = jiffies; |
| 517 | /* |
| 518 | * fix up the pointers accounting for the radiotap |
| 519 | * header still being in there. |
| 520 | */ |
| 521 | skb_set_mac_header(skb, rt_hdr_len); |
| 522 | skb_set_network_header(skb, rt_hdr_len); |
| 523 | skb_set_transport_header(skb, rt_hdr_len); |
| 524 | |
| 525 | /* Pull rtap header out of the skb */ |
| 526 | skb_pull(skb, rt_hdr_len); |
| 527 | |
| 528 | /*Supplicant adds: radiotap Hdr + radiotap data + 80211 Header. So after |
| 529 | * radio tap header and 802.11 header starts |
| 530 | */ |
| 531 | hdr = (struct ieee80211_hdr *)skb->data; |
| 532 | |
| 533 | /* Send data frames through the normal Data path. In this path we will |
| 534 | * conver rcvd 802.11 packet to 802.3 packet */ |
| 535 | if ( (hdr->frame_control & HDD_FRAME_TYPE_MASK) == HDD_FRAME_TYPE_DATA) |
| 536 | { |
| 537 | v_U8_t da[6]; |
| 538 | v_U8_t sa[6]; |
| 539 | |
| 540 | memcpy (da, hdr->addr1, VOS_MAC_ADDR_SIZE); |
| 541 | memcpy (sa, hdr->addr2, VOS_MAC_ADDR_SIZE); |
| 542 | |
| 543 | /* Pull 802.11 MAC header */ |
| 544 | skb_pull(skb, HDD_80211_HEADER_LEN); |
| 545 | |
| 546 | if ( HDD_FRAME_SUBTYPE_QOSDATA == |
| 547 | (hdr->frame_control & HDD_FRAME_SUBTYPE_MASK)) |
| 548 | { |
| 549 | skb_pull(skb, HDD_80211_HEADER_QOS_CTL); |
| 550 | } |
| 551 | |
| 552 | /* Pull LLC header */ |
| 553 | skb_pull(skb, HDD_LLC_HDR_LEN); |
| 554 | |
| 555 | /* Create space for Ethernet header */ |
| 556 | skb_push(skb, HDD_MAC_HDR_SIZE*2); |
| 557 | memcpy(&skb->data[0], da, HDD_MAC_HDR_SIZE); |
| 558 | memcpy(&skb->data[HDD_DEST_ADDR_OFFSET], sa, HDD_MAC_HDR_SIZE); |
| 559 | |
| 560 | /* Only EAPOL Data packets are allowed through monitor interface */ |
| 561 | if (vos_be16_to_cpu( |
| 562 | (*(unsigned short*)&skb->data[HDD_ETHERTYPE_802_1_X_FRAME_OFFSET]) ) |
| 563 | != HDD_ETHERTYPE_802_1_X) |
| 564 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 565 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_FATAL, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 566 | "%s: Not a Eapol packet. Drop this frame", __func__); |
| 567 | //If not EAPOL frames, drop them. |
| 568 | kfree_skb(skb); |
| 569 | return NETDEV_TX_OK; |
| 570 | } |
| 571 | |
| 572 | skb->protocol = htons(HDD_ETHERTYPE_802_1_X); |
| 573 | |
| 574 | hdd_hostapd_select_queue(pPgBkAdapter->dev, skb); |
| 575 | return hdd_softap_hard_start_xmit( skb, pPgBkAdapter->dev ); |
| 576 | } |
| 577 | else |
| 578 | { |
| 579 | VOS_STATUS status; |
| 580 | WLANTL_ACEnumType ac = 0; |
| 581 | skb_list_node_t *pktNode = NULL; |
| 582 | v_SIZE_t pktListSize = 0; |
| 583 | |
| 584 | spin_lock(&pAdapter->wmm_tx_queue[ac].lock); |
| 585 | //If we have already reached the max queue size, disable the TX queue |
| 586 | if ( pAdapter->wmm_tx_queue[ac].count == pAdapter->wmm_tx_queue[ac].max_size) |
| 587 | { |
| 588 | /* We want to process one packet at a time, so lets disable all TX queues |
| 589 | * and re-enable the queues once we get TX feedback for this packet */ |
Padma, Santhosh Kumar | 9dacb5c | 2014-12-17 19:22:56 +0530 | [diff] [blame] | 590 | hddLog(VOS_TRACE_LEVEL_INFO, FL("Disabling queues")); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 591 | netif_tx_stop_all_queues(pAdapter->dev); |
| 592 | pAdapter->isTxSuspended[ac] = VOS_TRUE; |
| 593 | spin_unlock(&pAdapter->wmm_tx_queue[ac].lock); |
| 594 | return NETDEV_TX_BUSY; |
| 595 | } |
| 596 | spin_unlock(&pAdapter->wmm_tx_queue[ac].lock); |
| 597 | |
| 598 | //Use the skb->cb field to hold the list node information |
| 599 | pktNode = (skb_list_node_t *)&skb->cb; |
| 600 | |
| 601 | //Stick the OS packet inside this node. |
| 602 | pktNode->skb = skb; |
| 603 | |
| 604 | INIT_LIST_HEAD(&pktNode->anchor); |
| 605 | |
| 606 | //Insert the OS packet into the appropriate AC queue |
| 607 | spin_lock(&pAdapter->wmm_tx_queue[ac].lock); |
| 608 | status = hdd_list_insert_back_size( &pAdapter->wmm_tx_queue[ac], |
| 609 | &pktNode->anchor, &pktListSize ); |
| 610 | spin_unlock(&pAdapter->wmm_tx_queue[ac].lock); |
| 611 | |
| 612 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 613 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 614 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 615 | "%s:Insert Tx queue failed. Pkt dropped", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 616 | kfree_skb(skb); |
| 617 | return NETDEV_TX_OK; |
| 618 | } |
| 619 | |
| 620 | if ( pktListSize == 1 ) |
| 621 | { |
| 622 | /* In this context we cannot acquire any mutex etc. And to transmit |
| 623 | * this packet we need to call SME API. So to take care of this we will |
| 624 | * schedule a workqueue |
| 625 | */ |
| 626 | schedule_work(&pPgBkAdapter->monTxWorkQueue); |
| 627 | } |
| 628 | return NETDEV_TX_OK; |
| 629 | } |
| 630 | |
| 631 | fail: |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 632 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_WARN, |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 633 | "%s: Packet Rcvd at Monitor interface is not proper," |
| 634 | " Dropping the packet", |
| 635 | __func__); |
| 636 | kfree_skb(skb); |
| 637 | return NETDEV_TX_OK; |
| 638 | } |
Dino Mycle | d9b7cc1 | 2014-09-04 18:43:07 +0530 | [diff] [blame] | 639 | |
| 640 | /**============================================================================ |
| 641 | @brief hdd_dhcp_pkt_info() - |
| 642 | Function to log DHCP pkt info |
| 643 | |
| 644 | @param skb : [in] pointer to OS packet (sk_buff) |
| 645 | @return : None |
| 646 | ===========================================================================*/ |
| 647 | |
| 648 | void hdd_dhcp_pkt_info(struct sk_buff *skb) |
| 649 | { |
| 650 | /* port no 67 (0x43) or 68 (0x44) */ |
| 651 | |
| 652 | if (*((u8*)skb->data + BOOTP_MSG_OFFSET) == BOOTP_REQUEST_MSG) |
| 653 | hddLog(VOS_TRACE_LEVEL_INFO, FL("Request")); |
| 654 | else if (*((u8*)skb->data + BOOTP_MSG_OFFSET) == BOOTP_RESPONSE_MSG) |
| 655 | hddLog(VOS_TRACE_LEVEL_INFO, FL("Response")); |
| 656 | else |
| 657 | hddLog(VOS_TRACE_LEVEL_INFO, FL("DHCP invalid")); |
| 658 | |
| 659 | hddLog(VOS_TRACE_LEVEL_INFO, |
| 660 | FL("DHCP Dest Addr: %pM Src Addr %pM " |
| 661 | " source port : %d, dest port : %d"), |
| 662 | skb->data, (skb->data + 6), |
| 663 | ntohs(*((u16*)((u8*)skb->data + UDP_SRC_PORT_OFFSET))), |
| 664 | ntohs(*((u16*)((u8*)skb->data + UDP_DEST_PORT_OFFSET)))); |
| 665 | |
| 666 | if ((skb->data[DHCP_OPTION53_OFFSET] == DHCP_OPTION53) && |
| 667 | (skb->data[DHCP_OPTION53_LENGTH_OFFSET] == DHCP_OPTION53_LENGTH)) { |
| 668 | |
| 669 | switch (skb->data[DHCP_OPTION53_STATUS_OFFSET]) { |
| 670 | case DHCPDISCOVER: |
| 671 | hddLog(VOS_TRACE_LEVEL_INFO,FL("DHCP DISCOVER")); |
| 672 | break; |
| 673 | case DHCPREQUEST: |
| 674 | hddLog(VOS_TRACE_LEVEL_INFO,FL("DHCP REQUEST")); |
| 675 | break; |
| 676 | case DHCPOFFER: |
| 677 | hddLog(VOS_TRACE_LEVEL_INFO,FL("DHCP OFFER")); |
| 678 | break; |
| 679 | case DHCPACK: |
| 680 | hddLog(VOS_TRACE_LEVEL_INFO,FL("DHCP ACK")); |
| 681 | break; |
| 682 | case DHCPNAK: |
| 683 | hddLog(VOS_TRACE_LEVEL_INFO,FL("DHCP NACK")); |
| 684 | break; |
| 685 | case DHCPRELEASE: |
| 686 | hddLog(VOS_TRACE_LEVEL_INFO,FL("DHCP RELEASE")); |
| 687 | break; |
| 688 | case DHCPINFORM: |
| 689 | hddLog(VOS_TRACE_LEVEL_INFO,FL("DHCP INFORM")); |
| 690 | break; |
| 691 | |
| 692 | default: |
| 693 | hddLog(VOS_TRACE_LEVEL_INFO, |
| 694 | "%s: DHCP Not Defined OPTION53 : %d", __func__, |
| 695 | skb->data[DHCP_OPTION53_STATUS_OFFSET]); |
| 696 | } |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | /**============================================================================ |
| 701 | @brief hdd_dump_dhcp_pkt() - |
| 702 | Function to dump DHCP packets in TX and RX path. |
| 703 | |
| 704 | @param skb : [in] pointer to OS packet (sk_buff) |
| 705 | @param path : [in] bool indicating TX/RX path |
| 706 | @return : None |
| 707 | ===========================================================================*/ |
| 708 | void hdd_dump_dhcp_pkt(struct sk_buff *skb, int path) |
| 709 | { |
| 710 | |
| 711 | if ((ntohs(*((u16*)((u8*)skb->data + ETH_TYPE_OFFSET))) |
| 712 | == ETH_TYPE_IP_PKT) || |
| 713 | (ntohs(*((u8*)skb->data + PROTOCOL_OFFSET)) == UDP_PROTOCOL)) { |
| 714 | |
| 715 | /* IP protocol 12 bytes of mac addresses in 802.3 header */ |
| 716 | if ( ntohs(*((u16*)((u8*)skb->data + UDP_DEST_PORT_OFFSET))) == |
| 717 | BOOTP_SERVER_PORT || |
| 718 | ntohs(*((u16*)((u8*)skb->data + UDP_DEST_PORT_OFFSET))) == |
| 719 | BOOTP_CLIENT_PORT || |
| 720 | ntohs(*((u16*)((u8*)skb->data + UDP_SRC_PORT_OFFSET))) == |
| 721 | BOOTP_SERVER_PORT || |
| 722 | ntohs(*((u16*)((u8*)skb->data + UDP_SRC_PORT_OFFSET))) == |
| 723 | BOOTP_CLIENT_PORT ) { |
| 724 | |
| 725 | if (path == TX_PATH) { |
| 726 | hddLog(VOS_TRACE_LEVEL_INFO, FL("DHCP TX PATH")); |
| 727 | } else { |
| 728 | hddLog(VOS_TRACE_LEVEL_INFO, FL("DHCP RX PATH")); |
| 729 | } |
| 730 | |
| 731 | hdd_dhcp_pkt_info(skb); |
| 732 | } |
| 733 | } |
| 734 | } |
| 735 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 736 | /**============================================================================ |
Madan Mohan Koyyalamudi | 0dab1ad | 2013-08-28 16:19:18 +0530 | [diff] [blame] | 737 | @brief hdd_hard_start_xmit() - Function registered with the Linux OS for |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 738 | transmitting packets. There are 2 versions of this function. One that uses |
| 739 | locked queue and other that uses lockless queues. Both have been retained to |
| 740 | do some performance testing |
| 741 | |
| 742 | @param skb : [in] pointer to OS packet (sk_buff) |
| 743 | @param dev : [in] pointer to Libra network device |
Madan Mohan Koyyalamudi | 0dab1ad | 2013-08-28 16:19:18 +0530 | [diff] [blame] | 744 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 745 | @return : NET_XMIT_DROP if packets are dropped |
| 746 | : NET_XMIT_SUCCESS if packet is enqueued succesfully |
| 747 | ===========================================================================*/ |
| 748 | int hdd_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| 749 | { |
| 750 | VOS_STATUS status; |
| 751 | WLANTL_ACEnumType ac; |
| 752 | sme_QosWmmUpType up; |
| 753 | skb_list_node_t *pktNode = NULL; |
| 754 | hdd_list_node_t *anchor = NULL; |
| 755 | v_SIZE_t pktListSize = 0; |
| 756 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 757 | v_BOOL_t granted; |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 758 | v_U8_t STAId = WLAN_MAX_STA_COUNT; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 759 | hdd_station_ctx_t *pHddStaCtx = &pAdapter->sessionCtx.station; |
Dino Mycle | d9b7cc1 | 2014-09-04 18:43:07 +0530 | [diff] [blame] | 760 | hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 761 | v_BOOL_t txSuspended = VOS_FALSE; |
Mihir Shete | f8f7453 | 2014-12-04 11:53:34 +0530 | [diff] [blame] | 762 | struct sk_buff *skb1; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 763 | |
| 764 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitCalled; |
| 765 | |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 766 | if (unlikely(netif_subqueue_stopped(dev, skb))) { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 767 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 768 | "%s is called when netif TX %d is disabled", |
| 769 | __func__, skb->queue_mapping); |
Madan Mohan Koyyalamudi | 0dab1ad | 2013-08-28 16:19:18 +0530 | [diff] [blame] | 770 | return NETDEV_TX_BUSY; |
| 771 | } |
| 772 | |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 773 | //Get TL AC corresponding to Qdisc queue index/AC. |
| 774 | ac = hdd_QdiscAcToTlAC[skb->queue_mapping]; |
| 775 | |
| 776 | if (WLAN_HDD_IBSS == pAdapter->device_mode) |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 777 | { |
| 778 | v_MACADDR_t *pDestMacAddress = (v_MACADDR_t*)skb->data; |
| 779 | |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 780 | if (eConnectionState_IbssDisconnected == pHddStaCtx->conn_info.connState) |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 781 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 782 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 783 | "%s: Tx frame in disconnected state in IBSS mode", __func__); |
| 784 | ++pAdapter->stats.tx_dropped; |
| 785 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 786 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
| 787 | kfree_skb(skb); |
| 788 | return NETDEV_TX_OK; |
| 789 | } |
| 790 | |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 791 | STAId = *(v_U8_t *)(((v_U8_t *)(skb->data)) - 1); |
| 792 | |
| 793 | if ((STAId == HDD_WLAN_INVALID_STA_ID) && |
| 794 | (vos_is_macaddr_broadcast( pDestMacAddress ) || |
| 795 | vos_is_macaddr_group(pDestMacAddress))) |
| 796 | { |
| 797 | STAId = IBSS_BROADCAST_STAID; |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 798 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO_LOW, |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 799 | "%s: BC/MC packet", __func__); |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 800 | } |
| 801 | else if (STAId == HDD_WLAN_INVALID_STA_ID) |
| 802 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 803 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Ravi Joshi | f9520d6 | 2013-10-18 04:11:46 -0700 | [diff] [blame] | 804 | "%s: Received Unicast frame with invalid staID", __func__); |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 805 | ++pAdapter->stats.tx_dropped; |
| 806 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 807 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 808 | kfree_skb(skb); |
| 809 | return NETDEV_TX_OK; |
| 810 | } |
| 811 | } |
| 812 | else |
| 813 | { |
c_hpothu | 851d986 | 2015-01-19 18:39:06 +0530 | [diff] [blame] | 814 | if (eConnectionState_Associated != pHddStaCtx->conn_info.connState) |
| 815 | { |
| 816 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
| 817 | FL("Tx frame in not associated state in %d context"), |
| 818 | pAdapter->device_mode); |
| 819 | ++pAdapter->stats.tx_dropped; |
| 820 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 821 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
| 822 | kfree_skb(skb); |
| 823 | return NETDEV_TX_OK; |
| 824 | } |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 825 | STAId = pHddStaCtx->conn_info.staId[0]; |
| 826 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 827 | |
Madan Mohan Koyyalamudi | 0dab1ad | 2013-08-28 16:19:18 +0530 | [diff] [blame] | 828 | //user priority from IP header, which is already extracted and set from |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 829 | //select_queue call back function |
| 830 | up = skb->priority; |
| 831 | |
| 832 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitClassifiedAC[ac]; |
| 833 | |
| 834 | #ifdef HDD_WMM_DEBUG |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 835 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_FATAL, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 836 | "%s: Classified as ac %d up %d", __func__, ac, up); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 837 | #endif // HDD_WMM_DEBUG |
| 838 | |
Mukul Sharma | 84f2725 | 2014-07-14 18:11:42 +0530 | [diff] [blame] | 839 | #ifdef DEBUG_ROAM_DELAY |
| 840 | vos_record_roam_event(e_HDD_FIRST_XMIT_TIME, (void *)skb, 0); |
| 841 | //Should we check below global to avoid function call each time ?? |
| 842 | /* |
| 843 | if(gRoamDelayMetaInfo.hdd_monitor_tx) |
| 844 | { |
| 845 | } |
| 846 | */ |
| 847 | #endif |
| 848 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 849 | spin_lock(&pAdapter->wmm_tx_queue[ac].lock); |
Varun Reddy Yeturu | 5ba6922 | 2013-04-01 18:22:20 -0700 | [diff] [blame] | 850 | /*CR 463598,384996*/ |
| 851 | /*For every increment of 10 pkts in the queue, we inform TL about pending pkts. |
| 852 | *We check for +1 in the logic,to take care of Zero count which |
| 853 | *occurs very frequently in low traffic cases */ |
| 854 | if((pAdapter->wmm_tx_queue[ac].count + 1) % 10 == 0) |
| 855 | { |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 856 | /* Use the following debug statement during Engineering Debugging.There are chance that this will lead to a Watchdog Bark |
Varun Reddy Yeturu | 5ba6922 | 2013-04-01 18:22:20 -0700 | [diff] [blame] | 857 | * if it is in the mainline code and if the log level is enabled by someone for debugging |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 858 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO,"%s:Queue is Filling up.Inform TL again about pending packets", __func__);*/ |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 859 | |
Ravi Joshi | 8a93435 | 2013-09-25 16:46:58 -0700 | [diff] [blame] | 860 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 861 | STAId, ac |
| 862 | ); |
| 863 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 864 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 865 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Ravi Joshi | 8a93435 | 2013-09-25 16:46:58 -0700 | [diff] [blame] | 866 | "%s: WLANTL_STAPktPending() returned error code %d", |
| 867 | __func__, status); |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 868 | ++pAdapter->stats.tx_dropped; |
| 869 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 870 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
Ravi Joshi | 8a93435 | 2013-09-25 16:46:58 -0700 | [diff] [blame] | 871 | kfree_skb(skb); |
| 872 | spin_unlock(&pAdapter->wmm_tx_queue[ac].lock); |
| 873 | return NETDEV_TX_OK; |
| 874 | } |
Varun Reddy Yeturu | 5ba6922 | 2013-04-01 18:22:20 -0700 | [diff] [blame] | 875 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 876 | //If we have already reached the max queue size, disable the TX queue |
| 877 | if ( pAdapter->wmm_tx_queue[ac].count == pAdapter->wmm_tx_queue[ac].max_size) |
| 878 | { |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 879 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitBackPressured; |
| 880 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitBackPressuredAC[ac]; |
Padma, Santhosh Kumar | 9dacb5c | 2014-12-17 19:22:56 +0530 | [diff] [blame] | 881 | hddLog(VOS_TRACE_LEVEL_INFO, FL("Disabling queue for ac %d"),ac); |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 882 | netif_tx_stop_queue(netdev_get_tx_queue(dev, skb_get_queue_mapping(skb))); |
| 883 | pAdapter->isTxSuspended[ac] = VOS_TRUE; |
| 884 | txSuspended = VOS_TRUE; |
Mihir Shete | 5d148f1 | 2014-12-16 17:54:49 +0530 | [diff] [blame] | 885 | MTRACE(vos_trace(VOS_MODULE_ID_HDD, TRACE_CODE_HDD_STOP_NETDEV, |
| 886 | pAdapter->sessionId, ac)); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 887 | } |
| 888 | |
Madan Mohan Koyyalamudi | fd3b7a9 | 2013-10-10 15:02:58 +0530 | [diff] [blame] | 889 | /* If 3/4th of the max queue size is used then enable the flag. |
| 890 | * This flag indicates to place the DHCP packets in VOICE AC queue.*/ |
| 891 | if (WLANTL_AC_BE == ac) |
| 892 | { |
| 893 | if (pAdapter->wmm_tx_queue[ac].count >= HDD_TX_QUEUE_LOW_WATER_MARK) |
| 894 | { |
Madan Mohan Koyyalamudi | fd3b7a9 | 2013-10-10 15:02:58 +0530 | [diff] [blame] | 895 | pAdapter->isVosLowResource = VOS_TRUE; |
| 896 | } |
| 897 | else |
| 898 | { |
| 899 | pAdapter->isVosLowResource = VOS_FALSE; |
| 900 | } |
| 901 | } |
| 902 | |
Madan Mohan Koyyalamudi | 0dab1ad | 2013-08-28 16:19:18 +0530 | [diff] [blame] | 903 | spin_unlock(&pAdapter->wmm_tx_queue[ac].lock); |
Dino Mycle | d9b7cc1 | 2014-09-04 18:43:07 +0530 | [diff] [blame] | 904 | |
Sachin Ahuja | 8c65f38 | 2014-12-12 15:34:21 +0530 | [diff] [blame] | 905 | if (( NULL != pHddCtx ) && |
| 906 | (pHddCtx->cfg_ini->gEnableDebugLog & VOS_PKT_PROTO_TYPE_DHCP)) |
Dino Mycle | d9b7cc1 | 2014-09-04 18:43:07 +0530 | [diff] [blame] | 907 | { |
| 908 | hdd_dump_dhcp_pkt(skb, TX_PATH); |
| 909 | } |
| 910 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 911 | if (VOS_TRUE == txSuspended) |
| 912 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 913 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 0dab1ad | 2013-08-28 16:19:18 +0530 | [diff] [blame] | 914 | "%s: TX queue full for AC=%d Disable OS TX queue", |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 915 | __func__, ac ); |
Madan Mohan Koyyalamudi | 0dab1ad | 2013-08-28 16:19:18 +0530 | [diff] [blame] | 916 | return NETDEV_TX_BUSY; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | //Use the skb->cb field to hold the list node information |
| 920 | pktNode = (skb_list_node_t *)&skb->cb; |
| 921 | |
| 922 | //Stick the OS packet inside this node. |
| 923 | pktNode->skb = skb; |
| 924 | |
Madan Mohan Koyyalamudi | 0dab1ad | 2013-08-28 16:19:18 +0530 | [diff] [blame] | 925 | //Stick the User Priority inside this node |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 926 | pktNode->userPriority = up; |
| 927 | |
| 928 | |
| 929 | INIT_LIST_HEAD(&pktNode->anchor); |
| 930 | |
| 931 | //Insert the OS packet into the appropriate AC queue |
| 932 | spin_lock(&pAdapter->wmm_tx_queue[ac].lock); |
| 933 | status = hdd_list_insert_back_size( &pAdapter->wmm_tx_queue[ac], &pktNode->anchor, &pktListSize ); |
| 934 | spin_unlock(&pAdapter->wmm_tx_queue[ac].lock); |
| 935 | |
| 936 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 937 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 938 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_WARN,"%s:Insert Tx queue failed. Pkt dropped", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 939 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 940 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
| 941 | ++pAdapter->stats.tx_dropped; |
| 942 | kfree_skb(skb); |
| 943 | return NETDEV_TX_OK; |
| 944 | } |
| 945 | |
| 946 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitQueued; |
| 947 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitQueuedAC[ac]; |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 948 | ++pAdapter->hdd_stats.hddTxRxStats.pkt_tx_count; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 949 | |
Kiet Lam | f040f47 | 2013-11-20 21:15:23 +0530 | [diff] [blame] | 950 | if (HDD_PSB_CHANGED == pAdapter->psbChanged) |
| 951 | { |
| 952 | /* Function which will determine acquire admittance for a |
| 953 | * WMM AC is required or not based on psb configuration done |
| 954 | * in the framework |
| 955 | */ |
| 956 | hdd_wmm_acquire_access_required(pAdapter, ac); |
| 957 | } |
| 958 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 959 | //Make sure we have access to this access category |
Kiet Lam | f040f47 | 2013-11-20 21:15:23 +0530 | [diff] [blame] | 960 | if (((pAdapter->psbChanged & (1 << ac)) && likely(pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcAccessAllowed)) || |
| 961 | (pHddStaCtx->conn_info.uIsAuthenticated == VOS_FALSE)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 962 | { |
| 963 | granted = VOS_TRUE; |
| 964 | } |
| 965 | else |
| 966 | { |
| 967 | status = hdd_wmm_acquire_access( pAdapter, ac, &granted ); |
Kiet Lam | f040f47 | 2013-11-20 21:15:23 +0530 | [diff] [blame] | 968 | pAdapter->psbChanged |= (1 << ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 969 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 970 | if ( granted && ( pktListSize == 1 )) |
| 971 | { |
| 972 | //Let TL know we have a packet to send for this AC |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 973 | //VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"%s:Indicating Packet to TL", __func__); |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 974 | status = WLANTL_STAPktPending( |
| 975 | (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 976 | STAId, ac ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 977 | if ( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 978 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 979 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_WARN, "%s: Failed to signal TL for AC=%d", __func__, ac ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 980 | |
| 981 | //Remove the packet from queue. It must be at the back of the queue, as TX thread cannot preempt us in the middle |
| 982 | //as we are in a soft irq context. Also it must be the same packet that we just allocated. |
| 983 | spin_lock(&pAdapter->wmm_tx_queue[ac].lock); |
| 984 | status = hdd_list_remove_back( &pAdapter->wmm_tx_queue[ac], &anchor ); |
| 985 | spin_unlock(&pAdapter->wmm_tx_queue[ac].lock); |
Mihir Shete | f8f7453 | 2014-12-04 11:53:34 +0530 | [diff] [blame] | 986 | /* Free the skb only if we are able to remove it from the list. |
| 987 | * If we are not able to retrieve it from the list it means that |
| 988 | * the skb was pulled by TX Thread and is use so we should not free |
| 989 | * it here |
| 990 | */ |
| 991 | if (VOS_IS_STATUS_SUCCESS(status)) |
| 992 | { |
| 993 | pktNode = list_entry(anchor, skb_list_node_t, anchor); |
| 994 | skb1 = pktNode->skb; |
| 995 | kfree_skb(skb1); |
| 996 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 997 | ++pAdapter->stats.tx_dropped; |
| 998 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDropped; |
| 999 | ++pAdapter->hdd_stats.hddTxRxStats.txXmitDroppedAC[ac]; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1000 | return NETDEV_TX_OK; |
| 1001 | } |
| 1002 | } |
| 1003 | |
| 1004 | dev->trans_start = jiffies; |
| 1005 | |
| 1006 | return NETDEV_TX_OK; |
| 1007 | } |
| 1008 | |
| 1009 | /**============================================================================ |
Shailender Karmuchi | a734f33 | 2013-04-19 14:02:48 -0700 | [diff] [blame] | 1010 | @brief hdd_Ibss_GetStaId() - Get the StationID using the Peer Mac address |
| 1011 | |
| 1012 | @param pHddStaCtx : [in] pointer to HDD Station Context |
| 1013 | pMacAddress [in] pointer to Peer Mac address |
| 1014 | staID [out] pointer to Station Index |
| 1015 | @return : VOS_STATUS_SUCCESS/VOS_STATUS_E_FAILURE |
| 1016 | ===========================================================================*/ |
| 1017 | |
| 1018 | VOS_STATUS hdd_Ibss_GetStaId(hdd_station_ctx_t *pHddStaCtx, v_MACADDR_t *pMacAddress, v_U8_t *staId) |
| 1019 | { |
| 1020 | v_U8_t idx; |
| 1021 | |
| 1022 | for (idx = 0; idx < HDD_MAX_NUM_IBSS_STA; idx++) |
| 1023 | { |
| 1024 | if (vos_mem_compare(&pHddStaCtx->conn_info.peerMacAddress[ idx ], |
| 1025 | pMacAddress, sizeof(v_MACADDR_t))) |
| 1026 | { |
| 1027 | *staId = pHddStaCtx->conn_info.staId[idx]; |
| 1028 | return VOS_STATUS_SUCCESS; |
| 1029 | } |
| 1030 | } |
| 1031 | |
| 1032 | return VOS_STATUS_E_FAILURE; |
| 1033 | } |
| 1034 | |
| 1035 | /**============================================================================ |
Mahesh A Saptasgar | 6453461 | 2014-09-23 13:13:33 +0530 | [diff] [blame] | 1036 | @brief __hdd_tx_timeout() - Function handles timeout during transmission. |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1037 | |
Mahesh A Saptasgar | 6453461 | 2014-09-23 13:13:33 +0530 | [diff] [blame] | 1038 | @param dev : [in] pointer to network device |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1039 | @return : None |
| 1040 | ===========================================================================*/ |
Mahesh A Saptasgar | 6453461 | 2014-09-23 13:13:33 +0530 | [diff] [blame] | 1041 | void __hdd_tx_timeout(struct net_device *dev) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1042 | { |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 1043 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| 1044 | struct netdev_queue *txq; |
| 1045 | int i = 0; |
Mukul Sharma | 42b3d43 | 2014-10-16 16:13:40 +0530 | [diff] [blame] | 1046 | v_ULONG_t diff_in_jiffies = 0; |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 1047 | |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 1048 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Padma, Santhosh Kumar | ce7aef8 | 2014-12-17 17:31:49 +0530 | [diff] [blame] | 1049 | "%s: Transmission timeout occurred jiffies %lu dev->trans_start %lu", |
| 1050 | __func__,jiffies,dev->trans_start); |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 1051 | |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1052 | if ( NULL == pAdapter ) |
| 1053 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1054 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1055 | FL("pAdapter is NULL")); |
| 1056 | VOS_ASSERT(0); |
| 1057 | return; |
| 1058 | } |
| 1059 | |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 1060 | ++pAdapter->hdd_stats.hddTxRxStats.txTimeoutCount; |
| 1061 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1062 | //Getting here implies we disabled the TX queues for too long. Queues are |
| 1063 | //disabled either because of disassociation or low resource scenarios. In |
| 1064 | //case of disassociation it is ok to ignore this. But if associated, we have |
| 1065 | //do possible recovery here |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 1066 | |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 1067 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 1068 | "num_bytes AC0: %d AC1: %d AC2: %d AC3: %d", |
| 1069 | pAdapter->wmm_tx_queue[0].count, |
| 1070 | pAdapter->wmm_tx_queue[1].count, |
| 1071 | pAdapter->wmm_tx_queue[2].count, |
| 1072 | pAdapter->wmm_tx_queue[3].count); |
| 1073 | |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 1074 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 1075 | "tx_suspend AC0: %d AC1: %d AC2: %d AC3: %d", |
| 1076 | pAdapter->isTxSuspended[0], |
| 1077 | pAdapter->isTxSuspended[1], |
| 1078 | pAdapter->isTxSuspended[2], |
| 1079 | pAdapter->isTxSuspended[3]); |
| 1080 | |
| 1081 | for (i = 0; i < 8; i++) |
| 1082 | { |
| 1083 | txq = netdev_get_tx_queue(dev, i); |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 1084 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Padma, Santhosh Kumar | ce7aef8 | 2014-12-17 17:31:49 +0530 | [diff] [blame] | 1085 | "Queue%d status: %d txq->trans_start %lu", |
| 1086 | i, netif_tx_queue_stopped(txq),txq->trans_start); |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 1087 | } |
| 1088 | |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 1089 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Ravi Joshi | cc57ed4 | 2013-10-12 16:31:25 -0700 | [diff] [blame] | 1090 | "carrier state: %d", netif_carrier_ok(dev)); |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 1091 | |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 1092 | /* continuousTxTimeoutCount will be reset whenever TL fetches packet |
| 1093 | * from HDD |
| 1094 | */ |
| 1095 | ++pAdapter->hdd_stats.hddTxRxStats.continuousTxTimeoutCount; |
| 1096 | |
Mukul Sharma | 42b3d43 | 2014-10-16 16:13:40 +0530 | [diff] [blame] | 1097 | diff_in_jiffies = jiffies - pAdapter->hdd_stats.hddTxRxStats.jiffiesLastTxTimeOut; |
| 1098 | if((pAdapter->hdd_stats.hddTxRxStats.continuousTxTimeoutCount > 1)&& |
| 1099 | ((diff_in_jiffies) > (HDD_TX_TIMEOUT * 2 )) |
| 1100 | ) |
| 1101 | { |
| 1102 | /* |
| 1103 | * In Open security case when there is no traffic is running, it may possible |
| 1104 | * tx time-out may once happen and later we recovered then we need to |
| 1105 | * reset the continuousTxTimeoutCount because it is only getting modified |
| 1106 | * when traffic is running. So if over a period of time if this count reaches |
| 1107 | * to HDD_TX_STALL_SSR_THRESHOLD then host is triggering false subsystem restart. |
| 1108 | * so in genuine Tx Time out case kernel will call the tx time-out back to back at |
| 1109 | * interval of HDD_TX_TIMEOUT.So now we are checking if previous TX TIME out was |
| 1110 | * occurred more then twice of HDD_TX_TIMEOUT back then we may recovered here. |
| 1111 | */ |
| 1112 | pAdapter->hdd_stats.hddTxRxStats.continuousTxTimeoutCount = 0; |
| 1113 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 1114 | FL("This is false alarm so resetting the continuousTxTimeoutCount")); |
| 1115 | } |
| 1116 | |
| 1117 | //update last jiffies after the check |
| 1118 | pAdapter->hdd_stats.hddTxRxStats.jiffiesLastTxTimeOut = jiffies; |
| 1119 | |
Mihir Shete | 327c2ab | 2014-11-13 15:17:02 +0530 | [diff] [blame] | 1120 | if (pAdapter->hdd_stats.hddTxRxStats.continuousTxTimeoutCount == |
| 1121 | HDD_TX_STALL_RECOVERY_THRESHOLD) |
| 1122 | { |
| 1123 | VOS_TRACE(VOS_MODULE_ID_HDD_SAP_DATA, VOS_TRACE_LEVEL_ERROR, |
| 1124 | "%s: Request firmware for recovery",__func__); |
| 1125 | WLANTL_TLDebugMessage(WLANTL_DEBUG_FW_CLEANUP); |
| 1126 | } |
| 1127 | |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 1128 | if (pAdapter->hdd_stats.hddTxRxStats.continuousTxTimeoutCount > |
| 1129 | HDD_TX_STALL_SSR_THRESHOLD) |
| 1130 | { |
| 1131 | // Driver could not recover, issue SSR |
| 1132 | VOS_TRACE(VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 1133 | "%s: Cannot recover from Data stall Issue SSR", |
| 1134 | __func__); |
Mihir Shete | fd62d9d | 2014-08-06 15:08:21 +0530 | [diff] [blame] | 1135 | WLANTL_FatalError(); |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 1136 | return; |
| 1137 | } |
| 1138 | |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 1139 | /* If Tx stalled for a long time then *hdd_tx_timeout* is called |
| 1140 | * every 5sec. The TL debug spits out a lot of information on the |
| 1141 | * serial console, if it is called every time *hdd_tx_timeout* is |
| 1142 | * called then we may get a watchdog bite on the Application |
| 1143 | * processor, so ratelimit the TL debug logs. |
| 1144 | */ |
| 1145 | if (__ratelimit(&hdd_tx_timeout_rs)) |
| 1146 | { |
| 1147 | hdd_wmm_tx_snapshot(pAdapter); |
Mihir Shete | 327c2ab | 2014-11-13 15:17:02 +0530 | [diff] [blame] | 1148 | WLANTL_TLDebugMessage(WLANTL_DEBUG_TX_SNAPSHOT); |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 1149 | } |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 1150 | |
Mihir Shete | c8fe71b | 2014-06-16 15:32:59 +0530 | [diff] [blame] | 1151 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1152 | |
Mahesh A Saptasgar | 6453461 | 2014-09-23 13:13:33 +0530 | [diff] [blame] | 1153 | /**============================================================================ |
| 1154 | @brief hdd_tx_timeout() - Function called by OS if there is any |
| 1155 | timeout during transmission. Since HDD simply enqueues packet |
| 1156 | and returns control to OS right away, this would never be invoked |
| 1157 | |
| 1158 | @param dev : [in] pointer to network device |
| 1159 | @return : None |
| 1160 | ===========================================================================*/ |
| 1161 | void hdd_tx_timeout(struct net_device *dev) |
| 1162 | { |
| 1163 | vos_ssr_protect(__func__); |
| 1164 | __hdd_tx_timeout(dev); |
| 1165 | vos_ssr_unprotect(__func__); |
| 1166 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1167 | |
| 1168 | /**============================================================================ |
Mahesh A Saptasagar | d68eb28 | 2014-12-17 14:20:19 +0530 | [diff] [blame] | 1169 | @brief __hdd_stats() - Function registered with the Linux OS for |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1170 | device TX/RX statistic |
| 1171 | |
| 1172 | @param dev : [in] pointer to Libra network device |
| 1173 | |
| 1174 | @return : pointer to net_device_stats structure |
| 1175 | ===========================================================================*/ |
Mahesh A Saptasagar | d68eb28 | 2014-12-17 14:20:19 +0530 | [diff] [blame] | 1176 | struct net_device_stats* __hdd_stats(struct net_device *dev) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1177 | { |
| 1178 | hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev); |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1179 | |
| 1180 | if ( NULL == pAdapter ) |
| 1181 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1182 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1183 | FL("pAdapter is NULL")); |
| 1184 | VOS_ASSERT(0); |
| 1185 | return NULL; |
| 1186 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1187 | |
| 1188 | return &pAdapter->stats; |
| 1189 | } |
| 1190 | |
Mahesh A Saptasagar | d68eb28 | 2014-12-17 14:20:19 +0530 | [diff] [blame] | 1191 | struct net_device_stats* hdd_stats(struct net_device *dev) |
| 1192 | { |
| 1193 | struct net_device_stats* dev_stats; |
| 1194 | |
| 1195 | vos_ssr_protect(__func__); |
| 1196 | dev_stats = __hdd_stats(dev); |
| 1197 | vos_ssr_unprotect(__func__); |
| 1198 | |
| 1199 | return dev_stats; |
| 1200 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1201 | |
| 1202 | /**============================================================================ |
| 1203 | @brief hdd_init_tx_rx() - Init function to initialize Tx/RX |
| 1204 | modules in HDD |
| 1205 | |
| 1206 | @param pAdapter : [in] pointer to adapter context |
| 1207 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 1208 | : VOS_STATUS_SUCCESS otherwise |
| 1209 | ===========================================================================*/ |
| 1210 | VOS_STATUS hdd_init_tx_rx( hdd_adapter_t *pAdapter ) |
| 1211 | { |
| 1212 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 1213 | v_SINT_t i = -1; |
| 1214 | |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1215 | if ( NULL == pAdapter ) |
| 1216 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1217 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1218 | FL("pAdapter is NULL")); |
| 1219 | VOS_ASSERT(0); |
| 1220 | return VOS_STATUS_E_FAILURE; |
| 1221 | } |
| 1222 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1223 | pAdapter->isVosOutOfResource = VOS_FALSE; |
Madan Mohan Koyyalamudi | fd3b7a9 | 2013-10-10 15:02:58 +0530 | [diff] [blame] | 1224 | pAdapter->isVosLowResource = VOS_FALSE; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1225 | |
| 1226 | //vos_mem_zero(&pAdapter->stats, sizeof(struct net_device_stats)); |
| 1227 | //Will be zeroed out during alloc |
| 1228 | |
| 1229 | while (++i != NUM_TX_QUEUES) |
| 1230 | { |
| 1231 | pAdapter->isTxSuspended[i] = VOS_FALSE; |
| 1232 | hdd_list_init( &pAdapter->wmm_tx_queue[i], HDD_TX_QUEUE_MAX_LEN); |
| 1233 | } |
| 1234 | |
| 1235 | return status; |
| 1236 | } |
| 1237 | |
| 1238 | |
| 1239 | /**============================================================================ |
| 1240 | @brief hdd_deinit_tx_rx() - Deinit function to clean up Tx/RX |
| 1241 | modules in HDD |
| 1242 | |
| 1243 | @param pAdapter : [in] pointer to adapter context |
| 1244 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 1245 | : VOS_STATUS_SUCCESS otherwise |
| 1246 | ===========================================================================*/ |
| 1247 | VOS_STATUS hdd_deinit_tx_rx( hdd_adapter_t *pAdapter ) |
| 1248 | { |
| 1249 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 1250 | v_SINT_t i = -1; |
| 1251 | |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1252 | if ( NULL == pAdapter ) |
| 1253 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1254 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1255 | FL("pAdapter is NULL")); |
| 1256 | VOS_ASSERT(0); |
| 1257 | return VOS_STATUS_E_FAILURE; |
| 1258 | } |
| 1259 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1260 | status = hdd_flush_tx_queues(pAdapter); |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1261 | if (VOS_STATUS_SUCCESS != status) |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1262 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_WARN, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1263 | FL("failed to flush tx queues")); |
| 1264 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1265 | while (++i != NUM_TX_QUEUES) |
| 1266 | { |
| 1267 | //Free up actual list elements in the Tx queue |
| 1268 | hdd_list_destroy( &pAdapter->wmm_tx_queue[i] ); |
| 1269 | } |
| 1270 | |
| 1271 | return status; |
| 1272 | } |
| 1273 | |
| 1274 | |
| 1275 | /**============================================================================ |
| 1276 | @brief hdd_disconnect_tx_rx() - Disconnect function to clean up Tx/RX |
| 1277 | modules in HDD |
| 1278 | |
| 1279 | @param pAdapter : [in] pointer to adapter context |
| 1280 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 1281 | : VOS_STATUS_SUCCESS otherwise |
| 1282 | ===========================================================================*/ |
| 1283 | VOS_STATUS hdd_disconnect_tx_rx( hdd_adapter_t *pAdapter ) |
| 1284 | { |
| 1285 | return hdd_flush_tx_queues(pAdapter); |
| 1286 | } |
| 1287 | |
| 1288 | |
| 1289 | /**============================================================================ |
| 1290 | @brief hdd_IsEAPOLPacket() - Checks the packet is EAPOL or not. |
| 1291 | |
| 1292 | @param pVosPacket : [in] pointer to vos packet |
| 1293 | @return : VOS_TRUE if the packet is EAPOL |
| 1294 | : VOS_FALSE otherwise |
| 1295 | ===========================================================================*/ |
| 1296 | |
| 1297 | v_BOOL_t hdd_IsEAPOLPacket( vos_pkt_t *pVosPacket ) |
| 1298 | { |
| 1299 | VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
| 1300 | v_BOOL_t fEAPOL = VOS_FALSE; |
| 1301 | void *pBuffer = NULL; |
| 1302 | |
| 1303 | |
| 1304 | vosStatus = vos_pkt_peek_data( pVosPacket, (v_SIZE_t)HDD_ETHERTYPE_802_1_X_FRAME_OFFSET, |
| 1305 | &pBuffer, HDD_ETHERTYPE_802_1_X_SIZE ); |
Abhishek Singh | fa01122 | 2014-04-14 10:57:08 +0530 | [diff] [blame] | 1306 | if ( VOS_IS_STATUS_SUCCESS( vosStatus ) ) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1307 | { |
Abhishek Singh | fa01122 | 2014-04-14 10:57:08 +0530 | [diff] [blame] | 1308 | if ( pBuffer && *(unsigned short*)pBuffer == |
| 1309 | vos_cpu_to_be16(HDD_ETHERTYPE_802_1_X) ) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1310 | { |
| 1311 | fEAPOL = VOS_TRUE; |
| 1312 | } |
| 1313 | } |
| 1314 | |
| 1315 | return fEAPOL; |
| 1316 | } |
| 1317 | |
Abhishek Singh | fa01122 | 2014-04-14 10:57:08 +0530 | [diff] [blame] | 1318 | /**============================================================================ |
| 1319 | @brief hdd_IsARP() - Checks the packet is ARP or not. |
| 1320 | |
| 1321 | @param pVosPacket : [in] pointer to vos packet |
| 1322 | @return : VOS_TRUE if the packet is ARP |
| 1323 | : VOS_FALSE otherwise |
| 1324 | ===========================================================================*/ |
| 1325 | |
| 1326 | v_BOOL_t hdd_IsARP( vos_pkt_t *pVosPacket ) |
| 1327 | { |
| 1328 | VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
| 1329 | v_BOOL_t fIsARP = VOS_FALSE; |
| 1330 | void *pBuffer = NULL; |
| 1331 | |
| 1332 | |
| 1333 | vosStatus = vos_pkt_peek_data( pVosPacket, |
| 1334 | (v_SIZE_t)HDD_ETHERTYPE_802_1_X_FRAME_OFFSET, |
| 1335 | &pBuffer, HDD_ETHERTYPE_802_1_X_SIZE ); |
| 1336 | if ( VOS_IS_STATUS_SUCCESS( vosStatus ) ) |
| 1337 | { |
| 1338 | if ( pBuffer && *(unsigned short*)pBuffer == |
| 1339 | vos_cpu_to_be16(HDD_ETHERTYPE_ARP) ) |
| 1340 | { |
| 1341 | fIsARP = VOS_TRUE; |
| 1342 | } |
| 1343 | } |
| 1344 | |
| 1345 | return fIsARP; |
| 1346 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1347 | |
| 1348 | #ifdef FEATURE_WLAN_WAPI // Need to update this function |
| 1349 | /**============================================================================ |
| 1350 | @brief hdd_IsWAIPacket() - Checks the packet is WAI or not. |
| 1351 | |
| 1352 | @param pVosPacket : [in] pointer to vos packet |
| 1353 | @return : VOS_TRUE if the packet is WAI |
| 1354 | : VOS_FALSE otherwise |
| 1355 | ===========================================================================*/ |
| 1356 | |
| 1357 | v_BOOL_t hdd_IsWAIPacket( vos_pkt_t *pVosPacket ) |
| 1358 | { |
| 1359 | VOS_STATUS vosStatus = VOS_STATUS_SUCCESS; |
| 1360 | v_BOOL_t fIsWAI = VOS_FALSE; |
| 1361 | void *pBuffer = NULL; |
| 1362 | |
| 1363 | // Need to update this function |
| 1364 | vosStatus = vos_pkt_peek_data( pVosPacket, (v_SIZE_t)HDD_ETHERTYPE_802_1_X_FRAME_OFFSET, |
| 1365 | &pBuffer, HDD_ETHERTYPE_802_1_X_SIZE ); |
| 1366 | |
| 1367 | if (VOS_IS_STATUS_SUCCESS( vosStatus ) ) |
| 1368 | { |
Abhishek Singh | fa01122 | 2014-04-14 10:57:08 +0530 | [diff] [blame] | 1369 | if ( pBuffer && *(unsigned short*)pBuffer == |
| 1370 | vos_cpu_to_be16(HDD_ETHERTYPE_WAI) ) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1371 | { |
| 1372 | fIsWAI = VOS_TRUE; |
| 1373 | } |
| 1374 | } |
| 1375 | |
| 1376 | return fIsWAI; |
| 1377 | } |
| 1378 | #endif /* FEATURE_WLAN_WAPI */ |
| 1379 | |
| 1380 | /**============================================================================ |
| 1381 | @brief hdd_tx_complete_cbk() - Callback function invoked by TL |
| 1382 | to indicate that a packet has been transmitted across the SDIO bus |
| 1383 | succesfully. OS packet resources can be released after this cbk. |
| 1384 | |
| 1385 | @param vosContext : [in] pointer to VOS context |
| 1386 | @param pVosPacket : [in] pointer to VOS packet (containing skb) |
| 1387 | @param vosStatusIn : [in] status of the transmission |
| 1388 | |
| 1389 | @return : VOS_STATUS_E_FAILURE if any errors encountered |
| 1390 | : VOS_STATUS_SUCCESS otherwise |
| 1391 | ===========================================================================*/ |
| 1392 | VOS_STATUS hdd_tx_complete_cbk( v_VOID_t *vosContext, |
| 1393 | vos_pkt_t *pVosPacket, |
| 1394 | VOS_STATUS vosStatusIn ) |
| 1395 | { |
| 1396 | VOS_STATUS status = VOS_STATUS_SUCCESS; |
| 1397 | hdd_adapter_t *pAdapter = NULL; |
| 1398 | hdd_context_t *pHddCtx = NULL; |
| 1399 | void* pOsPkt = NULL; |
| 1400 | |
| 1401 | if( ( NULL == vosContext ) || ( NULL == pVosPacket ) ) |
| 1402 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1403 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1404 | "%s: Null params being passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1405 | return VOS_STATUS_E_FAILURE; |
| 1406 | } |
| 1407 | |
| 1408 | //Return the skb to the OS |
| 1409 | status = vos_pkt_get_os_packet( pVosPacket, &pOsPkt, VOS_TRUE ); |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1410 | if (!VOS_IS_STATUS_SUCCESS( status )) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1411 | { |
| 1412 | //This is bad but still try to free the VOSS resources if we can |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1413 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1414 | "%s: Failure extracting skb from vos pkt", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1415 | vos_pkt_return_packet( pVosPacket ); |
| 1416 | return VOS_STATUS_E_FAILURE; |
| 1417 | } |
| 1418 | |
| 1419 | //Get the HDD context. |
Kiet Lam | 3c2ee30 | 2014-03-23 23:23:22 -0700 | [diff] [blame] | 1420 | pHddCtx = (hdd_context_t *)vos_get_context( VOS_MODULE_ID_HDD, vosContext ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1421 | //Get the Adapter context. |
| 1422 | pAdapter = hdd_get_adapter(pHddCtx,WLAN_HDD_INFRA_STATION); |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1423 | if (pAdapter == NULL) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1424 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1425 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1426 | "%s: HDD adapter context is Null", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1427 | } |
| 1428 | else |
| 1429 | { |
| 1430 | ++pAdapter->hdd_stats.hddTxRxStats.txCompleted; |
| 1431 | } |
| 1432 | |
| 1433 | kfree_skb((struct sk_buff *)pOsPkt); |
| 1434 | |
| 1435 | //Return the VOS packet resources. |
| 1436 | status = vos_pkt_return_packet( pVosPacket ); |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1437 | if (!VOS_IS_STATUS_SUCCESS( status )) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1438 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1439 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1440 | "%s: Could not return VOS packet to the pool", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1441 | } |
| 1442 | |
| 1443 | return status; |
| 1444 | } |
| 1445 | |
| 1446 | |
| 1447 | /**============================================================================ |
| 1448 | @brief hdd_tx_fetch_packet_cbk() - Callback function invoked by TL to |
| 1449 | fetch a packet for transmission. |
| 1450 | |
| 1451 | @param vosContext : [in] pointer to VOS context |
| 1452 | @param staId : [in] Station for which TL is requesting a pkt |
| 1453 | @param ac : [in] access category requested by TL |
| 1454 | @param pVosPacket : [out] pointer to VOS packet packet pointer |
| 1455 | @param pPktMetaInfo : [out] pointer to meta info for the pkt |
| 1456 | |
| 1457 | @return : VOS_STATUS_E_EMPTY if no packets to transmit |
| 1458 | : VOS_STATUS_E_FAILURE if any errors encountered |
| 1459 | : VOS_STATUS_SUCCESS otherwise |
| 1460 | ===========================================================================*/ |
| 1461 | VOS_STATUS hdd_tx_fetch_packet_cbk( v_VOID_t *vosContext, |
| 1462 | v_U8_t *pStaId, |
| 1463 | WLANTL_ACEnumType ac, |
| 1464 | vos_pkt_t **ppVosPacket, |
| 1465 | WLANTL_MetaInfoType *pPktMetaInfo ) |
| 1466 | { |
| 1467 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 1468 | hdd_adapter_t *pAdapter = NULL; |
| 1469 | hdd_context_t *pHddCtx = NULL; |
| 1470 | hdd_list_node_t *anchor = NULL; |
| 1471 | skb_list_node_t *pktNode = NULL; |
| 1472 | struct sk_buff *skb = NULL; |
| 1473 | vos_pkt_t *pVosPacket = NULL; |
| 1474 | v_MACADDR_t* pDestMacAddress = NULL; |
| 1475 | v_TIME_t timestamp; |
| 1476 | WLANTL_ACEnumType newAc; |
| 1477 | v_SIZE_t size = 0; |
Abhishek Singh | fa01122 | 2014-04-14 10:57:08 +0530 | [diff] [blame] | 1478 | v_U16_t packet_size; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1479 | tANI_U8 acAdmitted, i; |
Tushnim Bhattacharyya | a3ba5a5 | 2014-01-30 11:37:33 -0800 | [diff] [blame] | 1480 | v_U8_t proto_type = 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1481 | |
| 1482 | //Sanity check on inputs |
| 1483 | if ( ( NULL == vosContext ) || |
| 1484 | ( NULL == pStaId ) || |
| 1485 | ( NULL == ppVosPacket ) || |
| 1486 | ( NULL == pPktMetaInfo ) ) |
| 1487 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1488 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1489 | "%s: Null Params being passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1490 | return VOS_STATUS_E_FAILURE; |
| 1491 | } |
| 1492 | |
| 1493 | //Get the HDD context. |
Kiet Lam | 3c2ee30 | 2014-03-23 23:23:22 -0700 | [diff] [blame] | 1494 | pHddCtx = (hdd_context_t *)vos_get_context( VOS_MODULE_ID_HDD, vosContext ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1495 | if(pHddCtx == NULL) |
| 1496 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1497 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1498 | "%s: HDD adapter context is Null", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1499 | return VOS_STATUS_E_FAILURE; |
| 1500 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1501 | pAdapter = pHddCtx->sta_to_adapter[*pStaId]; |
Jeff Johnson | b156c92 | 2013-12-05 17:19:46 -0800 | [diff] [blame] | 1502 | if ((NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1503 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1504 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 1505 | FL("pAdapter is NULL %u"), *pStaId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1506 | VOS_ASSERT(0); |
| 1507 | return VOS_STATUS_E_FAILURE; |
| 1508 | } |
| 1509 | |
| 1510 | ++pAdapter->hdd_stats.hddTxRxStats.txFetched; |
| 1511 | |
| 1512 | *ppVosPacket = NULL; |
| 1513 | |
| 1514 | //Make sure the AC being asked for is sane |
| 1515 | if( ac >= WLANTL_MAX_AC || ac < 0) |
| 1516 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1517 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1518 | "%s: Invalid AC %d passed by TL", __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1519 | return VOS_STATUS_E_FAILURE; |
| 1520 | } |
| 1521 | |
| 1522 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchedAC[ac]; |
| 1523 | |
| 1524 | #ifdef HDD_WMM_DEBUG |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1525 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_FATAL, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1526 | "%s: AC %d passed by TL", __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1527 | #endif // HDD_WMM_DEBUG |
| 1528 | |
| 1529 | // We find an AC with packets |
| 1530 | // or we determine we have no more packets to send |
| 1531 | // HDD is not allowed to change AC. |
| 1532 | |
| 1533 | // has this AC been admitted? or |
| 1534 | // To allow EAPOL packets when not authenticated |
| 1535 | if (unlikely((0==pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcAccessAllowed) && |
| 1536 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.uIsAuthenticated)) |
| 1537 | { |
| 1538 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchEmpty; |
| 1539 | #ifdef HDD_WMM_DEBUG |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1540 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_FATAL, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1541 | "%s: no packets pending", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1542 | #endif // HDD_WMM_DEBUG |
| 1543 | return VOS_STATUS_E_FAILURE; |
| 1544 | } |
| 1545 | |
| 1546 | // do we have any packets pending in this AC? |
| 1547 | hdd_list_size( &pAdapter->wmm_tx_queue[ac], &size ); |
| 1548 | if( size > 0 ) |
| 1549 | { |
| 1550 | // yes, so process it |
| 1551 | #ifdef HDD_WMM_DEBUG |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1552 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_FATAL, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1553 | "%s: AC %d has packets pending", __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1554 | #endif // HDD_WMM_DEBUG |
| 1555 | } |
| 1556 | else |
| 1557 | { |
| 1558 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchEmpty; |
| 1559 | #ifdef HDD_WMM_DEBUG |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1560 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_FATAL, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1561 | "%s: no packets pending", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1562 | #endif // HDD_WMM_DEBUG |
| 1563 | return VOS_STATUS_E_FAILURE; |
| 1564 | } |
| 1565 | |
| 1566 | //Get the vos packet. I don't want to dequeue and enqueue again if we are out of VOS resources |
| 1567 | //This simplifies the locking and unlocking of Tx queue |
| 1568 | status = vos_pkt_wrap_data_packet( &pVosPacket, |
| 1569 | VOS_PKT_TYPE_TX_802_3_DATA, |
| 1570 | NULL, //OS Pkt is not being passed |
| 1571 | hdd_tx_low_resource_cbk, |
| 1572 | pAdapter ); |
| 1573 | |
| 1574 | if (status == VOS_STATUS_E_ALREADY || status == VOS_STATUS_E_RESOURCES) |
| 1575 | { |
| 1576 | //Remember VOS is in a low resource situation |
| 1577 | pAdapter->isVosOutOfResource = VOS_TRUE; |
| 1578 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchLowResources; |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1579 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_WARN,"%s: VOSS in Low Resource scenario", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1580 | //TL will now think we have no more packets in this AC |
| 1581 | return VOS_STATUS_E_FAILURE; |
| 1582 | } |
| 1583 | |
| 1584 | //Remove the packet from the queue |
| 1585 | spin_lock_bh(&pAdapter->wmm_tx_queue[ac].lock); |
| 1586 | status = hdd_list_remove_front( &pAdapter->wmm_tx_queue[ac], &anchor ); |
| 1587 | spin_unlock_bh(&pAdapter->wmm_tx_queue[ac].lock); |
| 1588 | |
| 1589 | if(VOS_STATUS_SUCCESS == status) |
| 1590 | { |
| 1591 | //If success then we got a valid packet from some AC |
| 1592 | pktNode = list_entry(anchor, skb_list_node_t, anchor); |
| 1593 | skb = pktNode->skb; |
| 1594 | } |
| 1595 | else |
| 1596 | { |
| 1597 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeueError; |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1598 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_WARN, "%s: Error in de-queuing " |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1599 | "skb from Tx queue status = %d", __func__, status ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1600 | vos_pkt_return_packet(pVosPacket); |
| 1601 | return VOS_STATUS_E_FAILURE; |
| 1602 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1603 | //Attach skb to VOS packet. |
| 1604 | status = vos_pkt_set_os_packet( pVosPacket, skb ); |
| 1605 | if (status != VOS_STATUS_SUCCESS) |
| 1606 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1607 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_WARN,"%s: Error attaching skb", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1608 | vos_pkt_return_packet(pVosPacket); |
| 1609 | ++pAdapter->stats.tx_dropped; |
| 1610 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeueError; |
| 1611 | kfree_skb(skb); |
| 1612 | return VOS_STATUS_E_FAILURE; |
| 1613 | } |
| 1614 | |
| 1615 | //Just being paranoid. To be removed later |
| 1616 | if(pVosPacket == NULL) |
| 1617 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1618 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_WARN,"%s: VOS packet returned by VOSS is NULL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1619 | ++pAdapter->stats.tx_dropped; |
| 1620 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeueError; |
| 1621 | kfree_skb(skb); |
| 1622 | return VOS_STATUS_E_FAILURE; |
| 1623 | } |
| 1624 | |
Dino Mycle | 3b9536d | 2014-07-09 22:05:24 +0530 | [diff] [blame] | 1625 | #ifdef WLAN_FEATURE_LINK_LAYER_STATS |
| 1626 | { |
| 1627 | v_MACADDR_t *pDestMacAddress = (v_MACADDR_t*)skb->data; |
| 1628 | /* vos_is_macaddr_group expects data in v_MACADDR_t format |
| 1629 | */ |
| 1630 | if (vos_is_macaddr_group(pDestMacAddress)) |
| 1631 | { |
| 1632 | pAdapter->hdd_stats.hddTxRxStats.txMcast[ac]++; |
| 1633 | } |
| 1634 | |
| 1635 | } |
| 1636 | |
| 1637 | #endif |
| 1638 | |
Chilam NG | 571c65a | 2013-01-19 12:27:36 +0530 | [diff] [blame] | 1639 | #ifdef FEATURE_WLAN_TDLS |
Gopichand Nakkala | 4ddf019 | 2013-03-27 13:41:20 -0700 | [diff] [blame] | 1640 | if (eTDLS_SUPPORT_ENABLED == pHddCtx->tdls_mode) |
Chilam NG | 571c65a | 2013-01-19 12:27:36 +0530 | [diff] [blame] | 1641 | { |
| 1642 | hdd_station_ctx_t *pHddStaCtx = &pAdapter->sessionCtx.station; |
Chilam NG | 571c65a | 2013-01-19 12:27:36 +0530 | [diff] [blame] | 1643 | u8 mac[6]; |
| 1644 | |
Hoonki Lee | 387663d | 2013-02-05 18:08:43 -0800 | [diff] [blame] | 1645 | wlan_hdd_tdls_extract_da(skb, mac); |
Chilam NG | 571c65a | 2013-01-19 12:27:36 +0530 | [diff] [blame] | 1646 | |
Hoonki Lee | 5fcc458 | 2013-02-05 20:28:26 -0800 | [diff] [blame] | 1647 | if (vos_is_macaddr_group((v_MACADDR_t *)mac)) { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1648 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO_MED, |
Chilam NG | 571c65a | 2013-01-19 12:27:36 +0530 | [diff] [blame] | 1649 | "broadcast packet, not adding to peer list"); |
| 1650 | } else if (memcmp(pHddStaCtx->conn_info.bssId, |
| 1651 | mac, 6) != 0) { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1652 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO_MED, |
Gopichand Nakkala | 4ddf019 | 2013-03-27 13:41:20 -0700 | [diff] [blame] | 1653 | "extract mac: " MAC_ADDRESS_STR, |
| 1654 | MAC_ADDR_ARRAY(mac) ); |
Chilam NG | 571c65a | 2013-01-19 12:27:36 +0530 | [diff] [blame] | 1655 | |
Gopichand Nakkala | 4327a15 | 2013-03-04 23:22:42 -0800 | [diff] [blame] | 1656 | wlan_hdd_tdls_increment_pkt_count(pAdapter, mac, 1); |
Chilam NG | 571c65a | 2013-01-19 12:27:36 +0530 | [diff] [blame] | 1657 | } else { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1658 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO_MED, |
Chilam NG | 571c65a | 2013-01-19 12:27:36 +0530 | [diff] [blame] | 1659 | "packet da is bssid, not adding to peer list"); |
| 1660 | } |
| 1661 | } |
| 1662 | #endif |
| 1663 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1664 | //Return VOS packet to TL; |
| 1665 | *ppVosPacket = pVosPacket; |
| 1666 | |
| 1667 | //Fill out the meta information needed by TL |
| 1668 | //FIXME This timestamp is really the time stamp of wrap_data_packet |
| 1669 | vos_pkt_get_timestamp( pVosPacket, ×tamp ); |
| 1670 | pPktMetaInfo->usTimeStamp = (v_U16_t)timestamp; |
| 1671 | |
| 1672 | if(pAdapter->sessionCtx.station.conn_info.uIsAuthenticated == VOS_TRUE) |
| 1673 | pPktMetaInfo->ucIsEapol = 0; |
| 1674 | else |
| 1675 | pPktMetaInfo->ucIsEapol = hdd_IsEAPOLPacket( pVosPacket ) ? 1 : 0; |
| 1676 | |
Sachin Ahuja | 8c65f38 | 2014-12-12 15:34:21 +0530 | [diff] [blame] | 1677 | if ((NULL != pHddCtx) && |
| 1678 | (pHddCtx->cfg_ini->gEnableDebugLog)) |
Tushnim Bhattacharyya | a3ba5a5 | 2014-01-30 11:37:33 -0800 | [diff] [blame] | 1679 | { |
| 1680 | proto_type = vos_pkt_get_proto_type(skb, |
| 1681 | pHddCtx->cfg_ini->gEnableDebugLog); |
| 1682 | if (VOS_PKT_PROTO_TYPE_EAPOL & proto_type) |
| 1683 | { |
Padma, Santhosh Kumar | 2d258f7 | 2014-12-22 19:55:59 +0530 | [diff] [blame] | 1684 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
Tushnim Bhattacharyya | a3ba5a5 | 2014-01-30 11:37:33 -0800 | [diff] [blame] | 1685 | "STA TX EAPOL"); |
| 1686 | } |
| 1687 | else if (VOS_PKT_PROTO_TYPE_DHCP & proto_type) |
| 1688 | { |
Padma, Santhosh Kumar | 2d258f7 | 2014-12-22 19:55:59 +0530 | [diff] [blame] | 1689 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
Tushnim Bhattacharyya | a3ba5a5 | 2014-01-30 11:37:33 -0800 | [diff] [blame] | 1690 | "STA TX DHCP"); |
| 1691 | } |
| 1692 | } |
| 1693 | |
Abhishek Singh | fa01122 | 2014-04-14 10:57:08 +0530 | [diff] [blame] | 1694 | vos_pkt_get_packet_length( pVosPacket,&packet_size ); |
| 1695 | if( HDD_ETHERTYPE_ARP_SIZE == packet_size ) |
| 1696 | pPktMetaInfo->ucIsArp = hdd_IsARP( pVosPacket ) ? 1 : 0; |
| 1697 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1698 | #ifdef FEATURE_WLAN_WAPI |
| 1699 | // Override usIsEapol value when its zero for WAPI case |
Agarwal Ashish | 8b343f1 | 2015-01-08 20:06:44 +0530 | [diff] [blame] | 1700 | pPktMetaInfo->ucIsWai = hdd_IsWAIPacket( pVosPacket ) ? 1 : 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1701 | #endif /* FEATURE_WLAN_WAPI */ |
| 1702 | |
Agarwal Ashish | 8b343f1 | 2015-01-08 20:06:44 +0530 | [diff] [blame] | 1703 | /* 1. Check if ACM is set for this AC |
| 1704 | * 2. If set, check if this AC had already admitted |
| 1705 | * 3. If not already admitted, downgrade the UP to next best UP |
| 1706 | * 4. Allow only when medium time is non zero when Addts accepted |
| 1707 | * else downgrade traffic. we opted downgrading over Delts when |
| 1708 | * medium time is zero because while doing downgradig driver is not |
| 1709 | * clearing the wmm context so consider in subsequent roaming |
| 1710 | * if AP (new or same AP) accept the Addts with valid medium time |
| 1711 | * no application support is required where if we have opted |
| 1712 | * delts Applications have to again do Addts or STA will never |
| 1713 | * go for Addts. |
| 1714 | */ |
| 1715 | |
| 1716 | if(!pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcAccessRequired || |
| 1717 | (pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcTspecValid && |
| 1718 | pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcTspecInfo.medium_time)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1719 | { |
Agarwal Ashish | 8b343f1 | 2015-01-08 20:06:44 +0530 | [diff] [blame] | 1720 | pPktMetaInfo->ucUP = pktNode->userPriority; |
| 1721 | pPktMetaInfo->ucTID = pPktMetaInfo->ucUP; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1722 | } |
| 1723 | else |
| 1724 | { |
Agarwal Ashish | 8b343f1 | 2015-01-08 20:06:44 +0530 | [diff] [blame] | 1725 | //Downgrade the UP |
| 1726 | acAdmitted = pAdapter->hddWmmStatus.wmmAcStatus[ac].wmmAcTspecValid; |
| 1727 | newAc = WLANTL_AC_BK; |
| 1728 | for (i=ac-1; i>0; i--) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1729 | { |
Agarwal Ashish | 8b343f1 | 2015-01-08 20:06:44 +0530 | [diff] [blame] | 1730 | if (pAdapter->hddWmmStatus.wmmAcStatus[i].wmmAcAccessRequired == 0) |
| 1731 | { |
| 1732 | newAc = i; |
| 1733 | break; |
| 1734 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1735 | } |
Agarwal Ashish | 8b343f1 | 2015-01-08 20:06:44 +0530 | [diff] [blame] | 1736 | pPktMetaInfo->ucUP = hddWmmAcToHighestUp[newAc]; |
| 1737 | pPktMetaInfo->ucTID = pPktMetaInfo->ucUP; |
| 1738 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO_LOW, |
| 1739 | "Downgrading UP %d to UP %d ", |
| 1740 | pktNode->userPriority, pPktMetaInfo->ucUP); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1741 | } |
| 1742 | |
Mukul Sharma | 84f2725 | 2014-07-14 18:11:42 +0530 | [diff] [blame] | 1743 | #ifdef DEBUG_ROAM_DELAY |
| 1744 | vos_record_roam_event(e_TL_FIRST_XMIT_TIME, NULL, 0); |
| 1745 | #endif |
| 1746 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1747 | pPktMetaInfo->ucType = 0; //FIXME Don't know what this is |
| 1748 | pPktMetaInfo->ucDisableFrmXtl = 0; //802.3 frame so we need to xlate |
| 1749 | if ( 1 < size ) |
| 1750 | { |
| 1751 | pPktMetaInfo->bMorePackets = 1; //HDD has more packets to send |
| 1752 | } |
| 1753 | else |
| 1754 | { |
| 1755 | pPktMetaInfo->bMorePackets = 0; |
| 1756 | } |
| 1757 | |
| 1758 | //Extract the destination address from ethernet frame |
| 1759 | pDestMacAddress = (v_MACADDR_t*)skb->data; |
| 1760 | pPktMetaInfo->ucBcast = vos_is_macaddr_broadcast( pDestMacAddress ) ? 1 : 0; |
| 1761 | pPktMetaInfo->ucMcast = vos_is_macaddr_group( pDestMacAddress ) ? 1 : 0; |
| 1762 | |
| 1763 | |
| 1764 | |
| 1765 | // if we are in a backpressure situation see if we can turn the hose back on |
| 1766 | if ( (pAdapter->isTxSuspended[ac]) && |
| 1767 | (size <= HDD_TX_QUEUE_LOW_WATER_MARK) ) |
| 1768 | { |
| 1769 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDePressured; |
| 1770 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDePressuredAC[ac]; |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1771 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1772 | "%s: TX queue[%d] re-enabled", __func__, ac); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1773 | pAdapter->isTxSuspended[ac] = VOS_FALSE; |
| 1774 | netif_tx_wake_queue(netdev_get_tx_queue(pAdapter->dev, |
| 1775 | skb_get_queue_mapping(skb) )); |
Mihir Shete | 5d148f1 | 2014-12-16 17:54:49 +0530 | [diff] [blame] | 1776 | MTRACE(vos_trace(VOS_MODULE_ID_HDD, TRACE_CODE_HDD_WAKE_NETDEV, |
| 1777 | pAdapter->sessionId, ac)); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1778 | } |
| 1779 | |
| 1780 | |
| 1781 | // We're giving the packet to TL so consider it transmitted from |
| 1782 | // a statistics perspective. We account for it here instead of |
| 1783 | // when the packet is returned for two reasons. First, TL will |
| 1784 | // manipulate the skb to the point where the len field is not |
| 1785 | // accurate, leading to inaccurate byte counts if we account for |
| 1786 | // it later. Second, TL does not provide any feedback as to |
| 1787 | // whether or not the packet was successfully sent over the air, |
| 1788 | // so the packet counts will be the same regardless of where we |
| 1789 | // account for them |
| 1790 | pAdapter->stats.tx_bytes += skb->len; |
| 1791 | ++pAdapter->stats.tx_packets; |
| 1792 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeued; |
| 1793 | ++pAdapter->hdd_stats.hddTxRxStats.txFetchDequeuedAC[ac]; |
Mihir Shete | f347369 | 2014-06-27 15:13:20 +0530 | [diff] [blame] | 1794 | pAdapter->hdd_stats.hddTxRxStats.continuousTxTimeoutCount = 0; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1795 | |
Leo Chang | 50bbd25 | 2013-04-25 14:58:01 -0700 | [diff] [blame] | 1796 | if((pHddCtx->cfg_ini->thermalMitigationEnable) && |
| 1797 | (WLAN_HDD_INFRA_STATION == pAdapter->device_mode)) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1798 | { |
| 1799 | if(mutex_lock_interruptible(&pHddCtx->tmInfo.tmOperationLock)) |
| 1800 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1801 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Madan Mohan Koyyalamudi | 87054ba | 2012-11-02 13:24:12 -0700 | [diff] [blame] | 1802 | "%s: Tm Lock fail", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1803 | return VOS_STATUS_E_FAILURE; |
| 1804 | } |
| 1805 | if(WLAN_HDD_TM_LEVEL_1 < pHddCtx->tmInfo.currentTmLevel) |
| 1806 | { |
| 1807 | if(0 == pHddCtx->tmInfo.txFrameCount) |
| 1808 | { |
| 1809 | /* Just recovered from sleep timeout */ |
| 1810 | pHddCtx->tmInfo.lastOpenTs = timestamp; |
| 1811 | } |
| 1812 | |
Leo Chang | 50bbd25 | 2013-04-25 14:58:01 -0700 | [diff] [blame] | 1813 | if((VOS_FALSE == pHddCtx->tmInfo.qBlocked) && |
| 1814 | ((timestamp - pHddCtx->tmInfo.lastOpenTs) > (pHddCtx->tmInfo.tmAction.txOperationDuration / 10)) && |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1815 | (pHddCtx->tmInfo.txFrameCount >= pHddCtx->tmInfo.tmAction.txBlockFrameCountThreshold)) |
| 1816 | { |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1817 | /* During TX open duration, TX frame count is larger than threshold |
| 1818 | * Block TX during Sleep time */ |
Padma, Santhosh Kumar | 9dacb5c | 2014-12-17 19:22:56 +0530 | [diff] [blame] | 1819 | hddLog(VOS_TRACE_LEVEL_INFO, FL("Disabling queues")); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1820 | netif_tx_stop_all_queues(pAdapter->dev); |
Leo Chang | 50bbd25 | 2013-04-25 14:58:01 -0700 | [diff] [blame] | 1821 | pHddCtx->tmInfo.qBlocked = VOS_TRUE; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1822 | pHddCtx->tmInfo.lastblockTs = timestamp; |
| 1823 | if(VOS_TIMER_STATE_STOPPED == vos_timer_getCurrentState(&pHddCtx->tmInfo.txSleepTimer)) |
| 1824 | { |
| 1825 | vos_timer_start(&pHddCtx->tmInfo.txSleepTimer, pHddCtx->tmInfo.tmAction.txSleepDuration); |
| 1826 | } |
| 1827 | } |
| 1828 | else if(((timestamp - pHddCtx->tmInfo.lastOpenTs) > (pHddCtx->tmInfo.tmAction.txOperationDuration / 10)) && |
| 1829 | (pHddCtx->tmInfo.txFrameCount < pHddCtx->tmInfo.tmAction.txBlockFrameCountThreshold)) |
| 1830 | { |
| 1831 | /* During TX open duration, TX frame count is less than threshold |
| 1832 | * Reset count and timestamp to prepare next cycle */ |
| 1833 | pHddCtx->tmInfo.lastOpenTs = timestamp; |
| 1834 | pHddCtx->tmInfo.txFrameCount = 0; |
| 1835 | } |
| 1836 | else |
| 1837 | { |
| 1838 | /* Do Nothing */ |
| 1839 | } |
| 1840 | pHddCtx->tmInfo.txFrameCount++; |
| 1841 | } |
| 1842 | mutex_unlock(&pHddCtx->tmInfo.tmOperationLock); |
| 1843 | } |
| 1844 | |
| 1845 | |
| 1846 | #ifdef HDD_WMM_DEBUG |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1847 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_FATAL,"%s: Valid VOS PKT returned to TL", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1848 | #endif // HDD_WMM_DEBUG |
| 1849 | |
| 1850 | return status; |
| 1851 | } |
| 1852 | |
| 1853 | |
| 1854 | /**============================================================================ |
| 1855 | @brief hdd_tx_low_resource_cbk() - Callback function invoked in the |
| 1856 | case where VOS packets are not available at the time of the call to get |
| 1857 | packets. This callback function is invoked by VOS when packets are |
| 1858 | available. |
| 1859 | |
| 1860 | @param pVosPacket : [in] pointer to VOS packet |
| 1861 | @param userData : [in] opaque user data that was passed initially |
| 1862 | |
| 1863 | @return : VOS_STATUS_E_FAILURE if any errors encountered, |
| 1864 | : VOS_STATUS_SUCCESS otherwise |
| 1865 | =============================================================================*/ |
| 1866 | VOS_STATUS hdd_tx_low_resource_cbk( vos_pkt_t *pVosPacket, |
| 1867 | v_VOID_t *userData ) |
| 1868 | { |
| 1869 | VOS_STATUS status; |
| 1870 | v_SINT_t i = 0; |
| 1871 | v_SIZE_t size = 0; |
| 1872 | hdd_adapter_t* pAdapter = (hdd_adapter_t *)userData; |
| 1873 | |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1874 | if (NULL == pAdapter) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1875 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1876 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1877 | "%s: pAdapter is Null", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1878 | return VOS_STATUS_E_FAILURE; |
| 1879 | } |
| 1880 | |
| 1881 | //Return the packet to VOS. We just needed to know that VOS is out of low resource |
| 1882 | //situation. Here we will only signal TL that there is a pending data for a STA. |
| 1883 | //VOS packet will be requested (if needed) when TL comes back to fetch data. |
| 1884 | vos_pkt_return_packet( pVosPacket ); |
| 1885 | |
| 1886 | pAdapter->isVosOutOfResource = VOS_FALSE; |
| 1887 | |
| 1888 | //Indicate to TL that there is pending data if a queue is non empty |
| 1889 | for( i=NUM_TX_QUEUES-1; i>=0; --i ) |
| 1890 | { |
| 1891 | size = 0; |
| 1892 | hdd_list_size( &pAdapter->wmm_tx_queue[i], &size ); |
| 1893 | if ( size > 0 ) |
| 1894 | { |
| 1895 | status = WLANTL_STAPktPending( (WLAN_HDD_GET_CTX(pAdapter))->pvosContext, |
| 1896 | (WLAN_HDD_GET_STATION_CTX_PTR(pAdapter))->conn_info.staId [0], |
| 1897 | (WLANTL_ACEnumType)i ); |
| 1898 | if( !VOS_IS_STATUS_SUCCESS( status ) ) |
| 1899 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1900 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1901 | "%s: Failure in indicating pkt to TL for ac=%d", __func__, i); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1902 | } |
| 1903 | } |
| 1904 | } |
| 1905 | |
| 1906 | return VOS_STATUS_SUCCESS; |
| 1907 | } |
| 1908 | |
| 1909 | |
| 1910 | /**============================================================================ |
| 1911 | @brief hdd_rx_packet_cbk() - Receive callback registered with TL. |
| 1912 | TL will call this to notify the HDD when one or more packets were |
| 1913 | received for a registered STA. |
| 1914 | |
| 1915 | @param vosContext : [in] pointer to VOS context |
| 1916 | @param pVosPacketChain : [in] pointer to VOS packet chain |
| 1917 | @param staId : [in] Station Id |
| 1918 | @param pRxMetaInfo : [in] pointer to meta info for the received pkt(s) |
| 1919 | |
| 1920 | @return : VOS_STATUS_E_FAILURE if any errors encountered, |
| 1921 | : VOS_STATUS_SUCCESS otherwise |
| 1922 | ===========================================================================*/ |
| 1923 | VOS_STATUS hdd_rx_packet_cbk( v_VOID_t *vosContext, |
| 1924 | vos_pkt_t *pVosPacketChain, |
| 1925 | v_U8_t staId, |
| 1926 | WLANTL_RxMetaInfoType* pRxMetaInfo ) |
| 1927 | { |
| 1928 | hdd_adapter_t *pAdapter = NULL; |
| 1929 | hdd_context_t *pHddCtx = NULL; |
| 1930 | VOS_STATUS status = VOS_STATUS_E_FAILURE; |
| 1931 | int rxstat; |
| 1932 | struct sk_buff *skb = NULL; |
| 1933 | vos_pkt_t* pVosPacket; |
| 1934 | vos_pkt_t* pNextVosPacket; |
Tushnim Bhattacharyya | a3ba5a5 | 2014-01-30 11:37:33 -0800 | [diff] [blame] | 1935 | v_U8_t proto_type; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1936 | |
| 1937 | //Sanity check on inputs |
| 1938 | if ( ( NULL == vosContext ) || |
| 1939 | ( NULL == pVosPacketChain ) || |
| 1940 | ( NULL == pRxMetaInfo ) ) |
| 1941 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1942 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1943 | "%s: Null params being passed", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1944 | return VOS_STATUS_E_FAILURE; |
| 1945 | } |
| 1946 | |
Kiet Lam | 3c2ee30 | 2014-03-23 23:23:22 -0700 | [diff] [blame] | 1947 | pHddCtx = (hdd_context_t *)vos_get_context( VOS_MODULE_ID_HDD, vosContext ); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1948 | if ( NULL == pHddCtx ) |
| 1949 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1950 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1951 | "%s: HDD adapter context is Null", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1952 | return VOS_STATUS_E_FAILURE; |
| 1953 | } |
| 1954 | |
| 1955 | pAdapter = pHddCtx->sta_to_adapter[staId]; |
Abhishek Singh | 82a7a5b | 2014-10-07 13:05:12 +0530 | [diff] [blame] | 1956 | if( (NULL == pAdapter) || (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic) ) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1957 | { |
Abhishek Singh | 82a7a5b | 2014-10-07 13:05:12 +0530 | [diff] [blame] | 1958 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 1959 | "%s: pAdapter is Null or adapter has invalid magic for staId %u", |
Madan Mohan Koyyalamudi | 858bb36 | 2013-08-05 19:57:37 +0530 | [diff] [blame] | 1960 | __func__, staId); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1961 | return VOS_STATUS_E_FAILURE; |
| 1962 | } |
| 1963 | |
| 1964 | ++pAdapter->hdd_stats.hddTxRxStats.rxChains; |
| 1965 | |
| 1966 | // walk the chain until all are processed |
| 1967 | pVosPacket = pVosPacketChain; |
| 1968 | do |
| 1969 | { |
| 1970 | // get the pointer to the next packet in the chain |
| 1971 | // (but don't unlink the packet since we free the entire chain later) |
| 1972 | status = vos_pkt_walk_packet_chain( pVosPacket, &pNextVosPacket, VOS_FALSE); |
| 1973 | |
| 1974 | // both "success" and "empty" are acceptable results |
| 1975 | if (!((status == VOS_STATUS_SUCCESS) || (status == VOS_STATUS_E_EMPTY))) |
| 1976 | { |
| 1977 | ++pAdapter->hdd_stats.hddTxRxStats.rxDropped; |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1978 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1979 | "%s: Failure walking packet chain", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1980 | return VOS_STATUS_E_FAILURE; |
| 1981 | } |
| 1982 | |
| 1983 | // Extract the OS packet (skb). |
| 1984 | // Tell VOS to detach the OS packet from the VOS packet |
| 1985 | status = vos_pkt_get_os_packet( pVosPacket, (v_VOID_t **)&skb, VOS_TRUE ); |
| 1986 | if(!VOS_IS_STATUS_SUCCESS( status )) |
| 1987 | { |
| 1988 | ++pAdapter->hdd_stats.hddTxRxStats.rxDropped; |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1989 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Agarwal Ashish | 971c288 | 2013-10-30 20:11:12 +0530 | [diff] [blame] | 1990 | "%s: Failure extracting skb from vos pkt", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1991 | return VOS_STATUS_E_FAILURE; |
| 1992 | } |
Jeff Johnson | e724574 | 2012-09-05 17:12:55 -0700 | [diff] [blame] | 1993 | |
| 1994 | if (WLAN_HDD_ADAPTER_MAGIC != pAdapter->magic) |
| 1995 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 1996 | VOS_TRACE(VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_FATAL, |
Jeff Johnson | e724574 | 2012-09-05 17:12:55 -0700 | [diff] [blame] | 1997 | "Magic cookie(%x) for adapter sanity verification is invalid", pAdapter->magic); |
| 1998 | return eHAL_STATUS_FAILURE; |
| 1999 | } |
| 2000 | |
Chilam Ng | 1279e23 | 2013-01-25 15:06:52 -0800 | [diff] [blame] | 2001 | #ifdef FEATURE_WLAN_TDLS |
Gopichand Nakkala | 4ddf019 | 2013-03-27 13:41:20 -0700 | [diff] [blame] | 2002 | if ((eTDLS_SUPPORT_ENABLED == pHddCtx->tdls_mode) && |
| 2003 | 0 != pHddCtx->connected_peer_count) |
Chilam Ng | 1279e23 | 2013-01-25 15:06:52 -0800 | [diff] [blame] | 2004 | { |
| 2005 | hdd_station_ctx_t *pHddStaCtx = &pAdapter->sessionCtx.station; |
Chilam Ng | 1279e23 | 2013-01-25 15:06:52 -0800 | [diff] [blame] | 2006 | u8 mac[6]; |
| 2007 | |
Hoonki Lee | 387663d | 2013-02-05 18:08:43 -0800 | [diff] [blame] | 2008 | wlan_hdd_tdls_extract_sa(skb, mac); |
Chilam Ng | 1279e23 | 2013-01-25 15:06:52 -0800 | [diff] [blame] | 2009 | |
Hoonki Lee | 5fcc458 | 2013-02-05 20:28:26 -0800 | [diff] [blame] | 2010 | if (vos_is_macaddr_group((v_MACADDR_t *)mac)) { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2011 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO_MED, |
Chilam Ng | 1279e23 | 2013-01-25 15:06:52 -0800 | [diff] [blame] | 2012 | "rx broadcast packet, not adding to peer list"); |
| 2013 | } else if (memcmp(pHddStaCtx->conn_info.bssId, |
| 2014 | mac, 6) != 0) { |
Shailender Karmuchi | 13c0d08 | 2013-03-26 14:41:39 -0700 | [diff] [blame] | 2015 | hddTdlsPeer_t *curr_peer; |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2016 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO_MED, |
Shailender Karmuchi | 13c0d08 | 2013-03-26 14:41:39 -0700 | [diff] [blame] | 2017 | "rx extract mac:" MAC_ADDRESS_STR, |
| 2018 | MAC_ADDR_ARRAY(mac) ); |
Madan Mohan Koyyalamudi | 9679744 | 2013-10-08 16:04:42 +0530 | [diff] [blame] | 2019 | curr_peer = wlan_hdd_tdls_find_peer(pAdapter, mac, TRUE); |
Gopichand Nakkala | 4a2fc1a | 2013-05-17 16:59:39 +0530 | [diff] [blame] | 2020 | if ((NULL != curr_peer) && (eTDLS_LINK_CONNECTED == curr_peer->link_status) |
| 2021 | && (TRUE == pRxMetaInfo->isStaTdls)) |
Shailender Karmuchi | 13c0d08 | 2013-03-26 14:41:39 -0700 | [diff] [blame] | 2022 | { |
| 2023 | wlan_hdd_tdls_increment_pkt_count(pAdapter, mac, 0); |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2024 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO,"rssi is %d", pRxMetaInfo->rssiAvg); |
Shailender Karmuchi | 13c0d08 | 2013-03-26 14:41:39 -0700 | [diff] [blame] | 2025 | wlan_hdd_tdls_set_rssi (pAdapter, mac, pRxMetaInfo->rssiAvg); |
| 2026 | } |
Chilam Ng | 1279e23 | 2013-01-25 15:06:52 -0800 | [diff] [blame] | 2027 | } else { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2028 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO_MED, |
Chilam Ng | 1279e23 | 2013-01-25 15:06:52 -0800 | [diff] [blame] | 2029 | "rx packet sa is bssid, not adding to peer list"); |
| 2030 | } |
| 2031 | } |
| 2032 | #endif |
| 2033 | |
Tushnim Bhattacharyya | a3ba5a5 | 2014-01-30 11:37:33 -0800 | [diff] [blame] | 2034 | if (pHddCtx->cfg_ini->gEnableDebugLog) |
| 2035 | { |
| 2036 | proto_type = vos_pkt_get_proto_type(skb, |
| 2037 | pHddCtx->cfg_ini->gEnableDebugLog); |
| 2038 | if (VOS_PKT_PROTO_TYPE_EAPOL & proto_type) |
| 2039 | { |
Padma, Santhosh Kumar | 2d258f7 | 2014-12-22 19:55:59 +0530 | [diff] [blame] | 2040 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
Tushnim Bhattacharyya | a3ba5a5 | 2014-01-30 11:37:33 -0800 | [diff] [blame] | 2041 | "STA RX EAPOL"); |
| 2042 | } |
| 2043 | else if (VOS_PKT_PROTO_TYPE_DHCP & proto_type) |
| 2044 | { |
Padma, Santhosh Kumar | 2d258f7 | 2014-12-22 19:55:59 +0530 | [diff] [blame] | 2045 | VOS_TRACE(VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, |
Tushnim Bhattacharyya | a3ba5a5 | 2014-01-30 11:37:33 -0800 | [diff] [blame] | 2046 | "STA RX DHCP"); |
| 2047 | } |
| 2048 | } |
| 2049 | |
Mukul Sharma | 84f2725 | 2014-07-14 18:11:42 +0530 | [diff] [blame] | 2050 | #ifdef DEBUG_ROAM_DELAY |
| 2051 | vos_record_roam_event(e_HDD_RX_PKT_CBK_TIME, (void *)skb, 0); |
| 2052 | //Should we check below global to avoid function call each time ?? |
| 2053 | /* |
| 2054 | if(gRoamDelayMetaInfo.hdd_monitor_rx) |
| 2055 | { |
| 2056 | } |
| 2057 | */ |
| 2058 | #endif |
Sachin Ahuja | 8c65f38 | 2014-12-12 15:34:21 +0530 | [diff] [blame] | 2059 | if (( NULL != pHddCtx ) && |
| 2060 | (pHddCtx->cfg_ini->gEnableDebugLog & VOS_PKT_PROTO_TYPE_DHCP)) |
Dino Mycle | d9b7cc1 | 2014-09-04 18:43:07 +0530 | [diff] [blame] | 2061 | { |
| 2062 | hdd_dump_dhcp_pkt(skb, RX_PATH); |
| 2063 | } |
Mukul Sharma | 84f2725 | 2014-07-14 18:11:42 +0530 | [diff] [blame] | 2064 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2065 | skb->dev = pAdapter->dev; |
| 2066 | skb->protocol = eth_type_trans(skb, skb->dev); |
Madan Mohan Koyyalamudi | f91902f | 2012-10-25 11:59:19 -0700 | [diff] [blame] | 2067 | skb->ip_summed = CHECKSUM_NONE; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2068 | ++pAdapter->hdd_stats.hddTxRxStats.rxPackets; |
| 2069 | ++pAdapter->stats.rx_packets; |
| 2070 | pAdapter->stats.rx_bytes += skb->len; |
Sameer Thalappil | 50dc009 | 2013-02-19 17:23:33 -0800 | [diff] [blame] | 2071 | #ifdef WLAN_OPEN_SOURCE |
Jeff Johnson | e724574 | 2012-09-05 17:12:55 -0700 | [diff] [blame] | 2072 | #ifdef WLAN_FEATURE_HOLD_RX_WAKELOCK |
Amar Singhal | 6144c00 | 2013-05-03 16:11:42 -0700 | [diff] [blame] | 2073 | 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] | 2074 | #endif |
Sameer Thalappil | 50dc009 | 2013-02-19 17:23:33 -0800 | [diff] [blame] | 2075 | #endif |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2076 | rxstat = netif_rx_ni(skb); |
| 2077 | if (NET_RX_SUCCESS == rxstat) |
| 2078 | { |
| 2079 | ++pAdapter->hdd_stats.hddTxRxStats.rxDelivered; |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2080 | ++pAdapter->hdd_stats.hddTxRxStats.pkt_rx_count; |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2081 | } |
| 2082 | else |
| 2083 | { |
| 2084 | ++pAdapter->hdd_stats.hddTxRxStats.rxRefused; |
| 2085 | } |
| 2086 | // now process the next packet in the chain |
| 2087 | pVosPacket = pNextVosPacket; |
| 2088 | |
| 2089 | } while (pVosPacket); |
| 2090 | |
| 2091 | //Return the entire VOS packet chain to the resource pool |
| 2092 | status = vos_pkt_return_packet( pVosPacketChain ); |
| 2093 | if(!VOS_IS_STATUS_SUCCESS( status )) |
| 2094 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2095 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR,"%s: Failure returning vos pkt", __func__); |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2096 | } |
| 2097 | |
| 2098 | pAdapter->dev->last_rx = jiffies; |
| 2099 | |
| 2100 | return status; |
| 2101 | } |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2102 | /**============================================================================ |
| 2103 | @brief hdd_tx_rx_pkt_cnt_stat_timer_handler() - |
| 2104 | Enable/Disable split scan based on TX and RX traffic. |
| 2105 | @param HddContext : [in] pointer to Hdd context |
| 2106 | @return : None |
| 2107 | ===========================================================================*/ |
| 2108 | void hdd_tx_rx_pkt_cnt_stat_timer_handler( void *phddctx) |
| 2109 | { |
| 2110 | hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL; |
| 2111 | hdd_adapter_t *pAdapter = NULL; |
| 2112 | hdd_station_ctx_t *pHddStaCtx = NULL; |
| 2113 | hdd_context_t *pHddCtx = (hdd_context_t *)phddctx; |
| 2114 | hdd_config_t *cfg_param = pHddCtx->cfg_ini; |
| 2115 | VOS_STATUS status; |
| 2116 | v_U8_t staId = 0; |
| 2117 | v_U8_t fconnected = 0; |
| 2118 | |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 2119 | if (NULL == phddctx) |
| 2120 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2121 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
c_hpothu | b824544 | 2013-11-20 23:41:09 +0530 | [diff] [blame] | 2122 | FL("phddctx is NULL")); |
| 2123 | VOS_ASSERT(0); |
| 2124 | return; |
| 2125 | } |
| 2126 | |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2127 | if (!cfg_param->dynSplitscan) |
| 2128 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2129 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2130 | "%s: Error : Dynamic split scan is not Enabled : %d", |
| 2131 | __func__, pHddCtx->cfg_ini->dynSplitscan); |
| 2132 | return; |
| 2133 | } |
| 2134 | |
| 2135 | status = hdd_get_front_adapter ( pHddCtx, &pAdapterNode ); |
| 2136 | while ( NULL != pAdapterNode && VOS_STATUS_SUCCESS == status ) |
| 2137 | { |
| 2138 | pAdapter = pAdapterNode->pAdapter; |
| 2139 | |
| 2140 | if ( pAdapter ) |
| 2141 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2142 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2143 | "%s: Adapter with device mode %d exists", |
| 2144 | __func__, pAdapter->device_mode); |
| 2145 | |
| 2146 | if ((WLAN_HDD_INFRA_STATION == pAdapter->device_mode) || |
| 2147 | (WLAN_HDD_P2P_CLIENT == pAdapter->device_mode)) |
| 2148 | { |
| 2149 | pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter); |
| 2150 | if ((eConnectionState_Associated == |
| 2151 | pHddStaCtx->conn_info.connState) && |
| 2152 | (VOS_TRUE == pHddStaCtx->conn_info.uIsAuthenticated)) |
| 2153 | { |
| 2154 | fconnected = TRUE; |
| 2155 | } |
| 2156 | } |
| 2157 | else if ((WLAN_HDD_SOFTAP == pAdapter->device_mode) || |
| 2158 | (WLAN_HDD_P2P_GO == pAdapter->device_mode)) |
| 2159 | { |
Sachin Ahuja | bcb0b7e | 2014-11-07 13:01:24 +0530 | [diff] [blame] | 2160 | v_CONTEXT_t pVosContext = ( WLAN_HDD_GET_CTX(pAdapter))->pvosContext; |
| 2161 | ptSapContext pSapCtx = VOS_GET_SAP_CB(pVosContext); |
| 2162 | if(pSapCtx == NULL){ |
| 2163 | VOS_TRACE(VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
| 2164 | FL("psapCtx is NULL")); |
| 2165 | return; |
| 2166 | } |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2167 | for (staId = 0; staId < WLAN_MAX_STA_COUNT; staId++) |
| 2168 | { |
Sachin Ahuja | bcb0b7e | 2014-11-07 13:01:24 +0530 | [diff] [blame] | 2169 | if ((pSapCtx->aStaInfo[staId].isUsed) && |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2170 | (WLANTL_STA_AUTHENTICATED == |
Sachin Ahuja | bcb0b7e | 2014-11-07 13:01:24 +0530 | [diff] [blame] | 2171 | pSapCtx->aStaInfo[staId].tlSTAState)) |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2172 | { |
| 2173 | fconnected = TRUE; |
| 2174 | } |
| 2175 | } |
| 2176 | } |
| 2177 | if ( fconnected ) |
| 2178 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2179 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2180 | "%s: One of the interface is connected check for scan", |
| 2181 | __func__); |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2182 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_INFO, |
Abhishek Singh | 9048530 | 2014-05-15 16:36:57 +0530 | [diff] [blame] | 2183 | "%s: pkt_tx_count: %d, pkt_rx_count: %d " |
| 2184 | "miracast = %d", __func__, |
| 2185 | pAdapter->hdd_stats.hddTxRxStats.pkt_tx_count, |
| 2186 | pAdapter->hdd_stats.hddTxRxStats.pkt_rx_count, |
| 2187 | pHddCtx->drvr_miracast); |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2188 | |
| 2189 | vos_timer_start(&pHddCtx->tx_rx_trafficTmr, |
| 2190 | cfg_param->trafficMntrTmrForSplitScan); |
| 2191 | //Check for the previous statistics count |
| 2192 | if ((pAdapter->hdd_stats.hddTxRxStats.pkt_tx_count > |
| 2193 | cfg_param->txRxThresholdForSplitScan) || |
| 2194 | (pAdapter->hdd_stats.hddTxRxStats.pkt_rx_count > |
| 2195 | cfg_param->txRxThresholdForSplitScan) || |
Abhishek Singh | 9048530 | 2014-05-15 16:36:57 +0530 | [diff] [blame] | 2196 | pHddCtx->drvr_miracast || |
| 2197 | (WLAN_HDD_P2P_GO == pAdapter->device_mode)) |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2198 | { |
| 2199 | pAdapter->hdd_stats.hddTxRxStats.pkt_tx_count = 0; |
| 2200 | pAdapter->hdd_stats.hddTxRxStats.pkt_rx_count = 0; |
| 2201 | |
| 2202 | if (!pHddCtx->issplitscan_enabled) |
| 2203 | { |
| 2204 | pHddCtx->issplitscan_enabled = TRUE; |
| 2205 | sme_enable_disable_split_scan( |
| 2206 | WLAN_HDD_GET_HAL_CTX(pAdapter), |
| 2207 | cfg_param->nNumStaChanCombinedConc, |
| 2208 | cfg_param->nNumP2PChanCombinedConc); |
| 2209 | } |
| 2210 | return; |
| 2211 | } |
| 2212 | else |
| 2213 | { |
| 2214 | pAdapter->hdd_stats.hddTxRxStats.pkt_tx_count = 0; |
| 2215 | pAdapter->hdd_stats.hddTxRxStats.pkt_rx_count = 0; |
| 2216 | } |
| 2217 | fconnected = FALSE; |
| 2218 | } |
| 2219 | } |
| 2220 | status = hdd_get_next_adapter( pHddCtx, pAdapterNode, &pNext); |
| 2221 | pAdapterNode = pNext; |
| 2222 | } |
| 2223 | |
Pradeep Reddy POTTETI | edaeb5f | 2014-05-22 23:34:41 +0530 | [diff] [blame] | 2224 | /* If TDLSScanCoexistence is enabled, then the TDLS module shall take care |
| 2225 | * of disabling the split scan and thus do not disable the same when the |
| 2226 | * low TXRX condition is met. |
| 2227 | */ |
| 2228 | if ((pHddCtx->isTdlsScanCoexistence == FALSE) && (pHddCtx->issplitscan_enabled)) |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2229 | { |
c_hpothu | 3249078 | 2014-03-14 19:14:34 +0530 | [diff] [blame] | 2230 | VOS_TRACE( VOS_MODULE_ID_HDD_DATA, VOS_TRACE_LEVEL_ERROR, |
Sudhir Sattayappa Kohalli | 3762069 | 2013-08-05 14:02:26 -0700 | [diff] [blame] | 2231 | "%s: Disable split scan", __func__); |
| 2232 | pHddCtx->issplitscan_enabled = FALSE; |
| 2233 | sme_enable_disable_split_scan( |
| 2234 | pHddCtx->hHal, |
| 2235 | SME_DISABLE_SPLIT_SCAN, |
| 2236 | SME_DISABLE_SPLIT_SCAN); |
| 2237 | } |
| 2238 | return; |
| 2239 | } |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 2240 | |