Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
hangtian | a7938f8 | 2019-01-07 16:35:49 +0800 | [diff] [blame] | 2 | * Copyright (c) 2012-2019 The Linux Foundation. All rights reserved. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 3 | * |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 4 | * Permission to use, copy, modify, and/or distribute this software for |
| 5 | * any purpose with or without fee is hereby granted, provided that the |
| 6 | * above copyright notice and this permission notice appear in all |
| 7 | * copies. |
| 8 | * |
| 9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 10 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 11 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 12 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 13 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 14 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 15 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 16 | * PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 19 | /** |
| 20 | * DOC: wlan_hdd_tx_rx.c |
| 21 | * |
| 22 | * Linux HDD Tx/RX APIs |
| 23 | */ |
| 24 | |
Jeff Johnson | a039964 | 2016-12-05 12:39:59 -0800 | [diff] [blame] | 25 | /* denote that this file does not allow legacy hddLog */ |
| 26 | #define HDD_DISALLOW_LEGACY_HDDLOG 1 |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 27 | #include "osif_sync.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 28 | #include <wlan_hdd_tx_rx.h> |
| 29 | #include <wlan_hdd_softap_tx_rx.h> |
| 30 | #include <wlan_hdd_napi.h> |
| 31 | #include <linux/netdevice.h> |
| 32 | #include <linux/skbuff.h> |
| 33 | #include <linux/etherdevice.h> |
Ravi Joshi | bb8d451 | 2016-08-22 10:14:52 -0700 | [diff] [blame] | 34 | #include <linux/if_ether.h> |
Sravan Kumar Kairam | 2fc4755 | 2017-01-04 15:27:56 +0530 | [diff] [blame] | 35 | #include <linux/inetdevice.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 36 | #include <cds_sched.h> |
Manjunathappa Prakash | 779e486 | 2016-09-12 17:00:11 -0700 | [diff] [blame] | 37 | #include <cds_utils.h> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 38 | |
| 39 | #include <wlan_hdd_p2p.h> |
| 40 | #include <linux/wireless.h> |
| 41 | #include <net/cfg80211.h> |
| 42 | #include <net/ieee80211_radiotap.h> |
| 43 | #include "sap_api.h" |
| 44 | #include "wlan_hdd_wmm.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 45 | #include "wlan_hdd_tdls.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 46 | #include "wlan_hdd_ocb.h" |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 47 | #include "wlan_hdd_lro.h" |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 48 | #include <cdp_txrx_cmn.h> |
| 49 | #include <cdp_txrx_peer_ops.h> |
| 50 | #include <cdp_txrx_flow_ctrl_v2.h> |
Deepak Dhamdhere | 5872c8c | 2016-06-02 15:51:47 -0700 | [diff] [blame] | 51 | #include "wlan_hdd_nan_datapath.h" |
Ravi Joshi | b89e7f7 | 2016-09-07 13:43:15 -0700 | [diff] [blame] | 52 | #include "pld_common.h" |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 53 | #include <cdp_txrx_misc.h> |
Ravi Joshi | 106ffe0 | 2017-01-18 18:09:05 -0800 | [diff] [blame] | 54 | #include "wlan_hdd_rx_monitor.h" |
Zhu Jianmin | 04392c4 | 2017-05-12 16:34:53 +0800 | [diff] [blame] | 55 | #include "wlan_hdd_power.h" |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 56 | #include "wlan_hdd_cfg80211.h" |
Yu Wang | ceb357b | 2017-06-01 12:04:18 +0800 | [diff] [blame] | 57 | #include <wlan_hdd_tsf.h> |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 58 | #include <net/tcp.h> |
| 59 | #include "wma_api.h" |
Ravi Joshi | 106ffe0 | 2017-01-18 18:09:05 -0800 | [diff] [blame] | 60 | |
Alok Kumar | b64650c | 2018-03-23 17:05:11 +0530 | [diff] [blame] | 61 | #include "wlan_hdd_nud_tracking.h" |
Mohit Khanna | 7032200 | 2018-05-15 19:21:32 -0700 | [diff] [blame] | 62 | #include "dp_txrx.h" |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 63 | #include "cfg_ucfg_api.h" |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 64 | #include "target_type.h" |
Bala Venkatesh | f286790 | 2019-03-08 15:01:23 +0530 | [diff] [blame] | 65 | #include "wlan_hdd_object_manager.h" |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 66 | #include "nan_public_structs.h" |
| 67 | #include "nan_ucfg_api.h" |
Alok Kumar | b64650c | 2018-03-23 17:05:11 +0530 | [diff] [blame] | 68 | |
hangtian | b9c9136 | 2019-06-07 10:39:38 +0800 | [diff] [blame] | 69 | #if defined(QCA_LL_TX_FLOW_CONTROL_V2) || defined(QCA_LL_PDEV_TX_FLOW_CONTROL) |
Poddar, Siddarth | 4acb30a | 2016-09-22 20:07:53 +0530 | [diff] [blame] | 70 | /* |
| 71 | * Mapping Linux AC interpretation to SME AC. |
| 72 | * Host has 5 tx queues, 4 flow-controlled queues for regular traffic and |
| 73 | * one non-flow-controlled queue for high priority control traffic(EOPOL, DHCP). |
| 74 | * The fifth queue is mapped to AC_VO to allow for proper prioritization. |
| 75 | */ |
| 76 | const uint8_t hdd_qdisc_ac_to_tl_ac[] = { |
| 77 | SME_AC_VO, |
| 78 | SME_AC_VI, |
| 79 | SME_AC_BE, |
| 80 | SME_AC_BK, |
| 81 | SME_AC_VO, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 82 | }; |
| 83 | |
Poddar, Siddarth | 4acb30a | 2016-09-22 20:07:53 +0530 | [diff] [blame] | 84 | #else |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 85 | const uint8_t hdd_qdisc_ac_to_tl_ac[] = { |
| 86 | SME_AC_VO, |
| 87 | SME_AC_VI, |
| 88 | SME_AC_BE, |
| 89 | SME_AC_BK, |
| 90 | }; |
| 91 | |
Poddar, Siddarth | 4acb30a | 2016-09-22 20:07:53 +0530 | [diff] [blame] | 92 | #endif |
| 93 | |
Ajit Pal Singh | 106c141 | 2018-04-18 18:08:49 +0530 | [diff] [blame] | 94 | #ifdef QCA_HL_NETDEV_FLOW_CONTROL |
| 95 | void hdd_register_hl_netdev_fc_timer(struct hdd_adapter *adapter, |
| 96 | qdf_mc_timer_callback_t timer_callback) |
| 97 | { |
| 98 | if (!adapter->tx_flow_timer_initialized) { |
| 99 | qdf_mc_timer_init(&adapter->tx_flow_control_timer, |
| 100 | QDF_TIMER_TYPE_SW, timer_callback, adapter); |
| 101 | adapter->tx_flow_timer_initialized = true; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * hdd_deregister_hl_netdev_fc_timer() - Deregister HL Flow Control Timer |
| 107 | * @adapter: adapter handle |
| 108 | * |
| 109 | * Return: none |
| 110 | */ |
| 111 | void hdd_deregister_hl_netdev_fc_timer(struct hdd_adapter *adapter) |
| 112 | { |
| 113 | if (adapter->tx_flow_timer_initialized) { |
| 114 | qdf_mc_timer_stop(&adapter->tx_flow_control_timer); |
| 115 | qdf_mc_timer_destroy(&adapter->tx_flow_control_timer); |
| 116 | adapter->tx_flow_timer_initialized = false; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * hdd_tx_resume_timer_expired_handler() - TX Q resume timer handler |
| 122 | * @adapter_context: pointer to vdev adapter |
| 123 | * |
Ajit Pal Singh | 106c141 | 2018-04-18 18:08:49 +0530 | [diff] [blame] | 124 | * Return: None |
| 125 | */ |
| 126 | void hdd_tx_resume_timer_expired_handler(void *adapter_context) |
| 127 | { |
| 128 | struct hdd_adapter *adapter = (struct hdd_adapter *)adapter_context; |
Ajit Pal Singh | 851a777 | 2018-05-14 16:55:09 +0530 | [diff] [blame] | 129 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 130 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Ajit Pal Singh | 851a777 | 2018-05-14 16:55:09 +0530 | [diff] [blame] | 131 | u32 p_qpaused; |
| 132 | u32 np_qpaused; |
Ajit Pal Singh | 106c141 | 2018-04-18 18:08:49 +0530 | [diff] [blame] | 133 | |
| 134 | if (!adapter) { |
Ajit Pal Singh | 851a777 | 2018-05-14 16:55:09 +0530 | [diff] [blame] | 135 | hdd_err("invalid adapter context"); |
Ajit Pal Singh | 106c141 | 2018-04-18 18:08:49 +0530 | [diff] [blame] | 136 | return; |
| 137 | } |
| 138 | |
Nirav Shah | aa34cbb | 2019-07-03 10:32:04 +0530 | [diff] [blame] | 139 | cdp_display_stats(soc, CDP_DUMP_TX_FLOW_POOL_INFO, |
| 140 | QDF_STATS_VERBOSITY_LEVEL_LOW); |
| 141 | wlan_hdd_display_netif_queue_history(hdd_ctx, |
| 142 | QDF_STATS_VERBOSITY_LEVEL_LOW); |
Ajit Pal Singh | 106c141 | 2018-04-18 18:08:49 +0530 | [diff] [blame] | 143 | hdd_debug("Enabling queues"); |
Ajit Pal Singh | 851a777 | 2018-05-14 16:55:09 +0530 | [diff] [blame] | 144 | spin_lock_bh(&adapter->pause_map_lock); |
| 145 | p_qpaused = adapter->pause_map & BIT(WLAN_DATA_FLOW_CONTROL_PRIORITY); |
| 146 | np_qpaused = adapter->pause_map & BIT(WLAN_DATA_FLOW_CONTROL); |
| 147 | spin_unlock_bh(&adapter->pause_map_lock); |
| 148 | |
| 149 | if (p_qpaused) { |
| 150 | wlan_hdd_netif_queue_control(adapter, |
| 151 | WLAN_NETIF_PRIORITY_QUEUE_ON, |
| 152 | WLAN_DATA_FLOW_CONTROL_PRIORITY); |
| 153 | cdp_hl_fc_set_os_queue_status(soc, |
Jeff Johnson | 1abc566 | 2019-02-04 14:27:02 -0800 | [diff] [blame] | 154 | adapter->vdev_id, |
Ajit Pal Singh | 851a777 | 2018-05-14 16:55:09 +0530 | [diff] [blame] | 155 | WLAN_NETIF_PRIORITY_QUEUE_ON); |
| 156 | } |
| 157 | if (np_qpaused) { |
| 158 | wlan_hdd_netif_queue_control(adapter, |
| 159 | WLAN_WAKE_NON_PRIORITY_QUEUE, |
| 160 | WLAN_DATA_FLOW_CONTROL); |
| 161 | cdp_hl_fc_set_os_queue_status(soc, |
Jeff Johnson | 1abc566 | 2019-02-04 14:27:02 -0800 | [diff] [blame] | 162 | adapter->vdev_id, |
Ajit Pal Singh | 851a777 | 2018-05-14 16:55:09 +0530 | [diff] [blame] | 163 | WLAN_WAKE_NON_PRIORITY_QUEUE); |
| 164 | } |
Ajit Pal Singh | 106c141 | 2018-04-18 18:08:49 +0530 | [diff] [blame] | 165 | } |
| 166 | |
| 167 | #endif /* QCA_HL_NETDEV_FLOW_CONTROL */ |
| 168 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 169 | #ifdef QCA_LL_LEGACY_TX_FLOW_CONTROL |
| 170 | /** |
| 171 | * hdd_tx_resume_timer_expired_handler() - TX Q resume timer handler |
| 172 | * @adapter_context: pointer to vdev adapter |
| 173 | * |
| 174 | * If Blocked OS Q is not resumed during timeout period, to prevent |
| 175 | * permanent stall, resume OS Q forcefully. |
| 176 | * |
| 177 | * Return: None |
| 178 | */ |
| 179 | void hdd_tx_resume_timer_expired_handler(void *adapter_context) |
| 180 | { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 181 | struct hdd_adapter *adapter = (struct hdd_adapter *) adapter_context; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 182 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 183 | if (!adapter) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 184 | /* INVALID ARG */ |
| 185 | return; |
| 186 | } |
| 187 | |
Varun Reddy Yeturu | 8a5d3d4 | 2017-08-02 13:03:27 -0700 | [diff] [blame] | 188 | hdd_debug("Enabling queues"); |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 189 | wlan_hdd_netif_queue_control(adapter, WLAN_WAKE_ALL_NETIF_QUEUE, |
Jeff Johnson | a039964 | 2016-12-05 12:39:59 -0800 | [diff] [blame] | 190 | WLAN_CONTROL_PATH); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 191 | } |
Poddar, Siddarth | b61cf64 | 2016-04-28 16:02:39 +0530 | [diff] [blame] | 192 | |
| 193 | /** |
| 194 | * hdd_tx_resume_false() - Resume OS TX Q false leads to queue disabling |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 195 | * @adapter: pointer to hdd adapter |
Poddar, Siddarth | b61cf64 | 2016-04-28 16:02:39 +0530 | [diff] [blame] | 196 | * @tx_resume: TX Q resume trigger |
| 197 | * |
| 198 | * |
| 199 | * Return: None |
| 200 | */ |
| 201 | static void |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 202 | hdd_tx_resume_false(struct hdd_adapter *adapter, bool tx_resume) |
Poddar, Siddarth | b61cf64 | 2016-04-28 16:02:39 +0530 | [diff] [blame] | 203 | { |
| 204 | if (true == tx_resume) |
| 205 | return; |
| 206 | |
| 207 | /* Pause TX */ |
Varun Reddy Yeturu | 8a5d3d4 | 2017-08-02 13:03:27 -0700 | [diff] [blame] | 208 | hdd_debug("Disabling queues"); |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 209 | wlan_hdd_netif_queue_control(adapter, WLAN_STOP_ALL_NETIF_QUEUE, |
Poddar, Siddarth | b61cf64 | 2016-04-28 16:02:39 +0530 | [diff] [blame] | 210 | WLAN_DATA_FLOW_CONTROL); |
| 211 | |
| 212 | if (QDF_TIMER_STATE_STOPPED == |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 213 | qdf_mc_timer_get_current_state(&adapter-> |
Poddar, Siddarth | b61cf64 | 2016-04-28 16:02:39 +0530 | [diff] [blame] | 214 | tx_flow_control_timer)) { |
| 215 | QDF_STATUS status; |
Srinivas Girigowda | e3ae257 | 2017-03-25 14:14:22 -0700 | [diff] [blame] | 216 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 217 | status = qdf_mc_timer_start(&adapter->tx_flow_control_timer, |
Poddar, Siddarth | b61cf64 | 2016-04-28 16:02:39 +0530 | [diff] [blame] | 218 | WLAN_HDD_TX_FLOW_CONTROL_OS_Q_BLOCK_TIME); |
| 219 | |
| 220 | if (!QDF_IS_STATUS_SUCCESS(status)) |
| 221 | hdd_err("Failed to start tx_flow_control_timer"); |
| 222 | else |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 223 | adapter->hdd_stats.tx_rx_stats.txflow_timer_cnt++; |
Poddar, Siddarth | b61cf64 | 2016-04-28 16:02:39 +0530 | [diff] [blame] | 224 | } |
| 225 | |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 226 | adapter->hdd_stats.tx_rx_stats.txflow_pause_cnt++; |
| 227 | adapter->hdd_stats.tx_rx_stats.is_txflow_paused = true; |
Poddar, Siddarth | b61cf64 | 2016-04-28 16:02:39 +0530 | [diff] [blame] | 228 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 229 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 230 | static inline struct sk_buff *hdd_skb_orphan(struct hdd_adapter *adapter, |
gbian | ec670c59 | 2016-11-24 11:21:30 +0800 | [diff] [blame] | 231 | struct sk_buff *skb) |
| 232 | { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 233 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
tfyu | bdf453e | 2017-09-27 13:34:30 +0800 | [diff] [blame] | 234 | int need_orphan = 0; |
| 235 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 236 | if (adapter->tx_flow_low_watermark > 0) { |
tfyu | bdf453e | 2017-09-27 13:34:30 +0800 | [diff] [blame] | 237 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 19, 0)) |
| 238 | /* |
| 239 | * The TCP TX throttling logic is changed a little after |
| 240 | * 3.19-rc1 kernel, the TCP sending limit will be smaller, |
| 241 | * which will throttle the TCP packets to the host driver. |
| 242 | * The TCP UP LINK throughput will drop heavily. In order to |
| 243 | * fix this issue, need to orphan the socket buffer asap, which |
| 244 | * will call skb's destructor to notify the TCP stack that the |
| 245 | * SKB buffer is unowned. And then the TCP stack will pump more |
| 246 | * packets to host driver. |
| 247 | * |
| 248 | * The TX packets might be dropped for UDP case in the iperf |
| 249 | * testing. So need to be protected by follow control. |
| 250 | */ |
| 251 | need_orphan = 1; |
| 252 | #else |
| 253 | if (hdd_ctx->config->tx_orphan_enable) |
| 254 | need_orphan = 1; |
| 255 | #endif |
tfyu | 5f01db2 | 2017-10-11 13:51:04 +0800 | [diff] [blame] | 256 | } else if (hdd_ctx->config->tx_orphan_enable) { |
| 257 | if (qdf_nbuf_is_ipv4_tcp_pkt(skb) || |
Tiger Yu | 438c648 | 2017-10-13 11:07:00 +0800 | [diff] [blame] | 258 | qdf_nbuf_is_ipv6_tcp_pkt(skb)) |
tfyu | 5f01db2 | 2017-10-11 13:51:04 +0800 | [diff] [blame] | 259 | need_orphan = 1; |
tfyu | bdf453e | 2017-09-27 13:34:30 +0800 | [diff] [blame] | 260 | } |
| 261 | |
tfyu | 5f01db2 | 2017-10-11 13:51:04 +0800 | [diff] [blame] | 262 | if (need_orphan) { |
gbian | ec670c59 | 2016-11-24 11:21:30 +0800 | [diff] [blame] | 263 | skb_orphan(skb); |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 264 | ++adapter->hdd_stats.tx_rx_stats.tx_orphaned; |
Tiger Yu | 438c648 | 2017-10-13 11:07:00 +0800 | [diff] [blame] | 265 | } else |
gbian | ec670c59 | 2016-11-24 11:21:30 +0800 | [diff] [blame] | 266 | skb = skb_unshare(skb, GFP_ATOMIC); |
gbian | ec670c59 | 2016-11-24 11:21:30 +0800 | [diff] [blame] | 267 | |
| 268 | return skb; |
| 269 | } |
| 270 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 271 | /** |
| 272 | * hdd_tx_resume_cb() - Resume OS TX Q. |
| 273 | * @adapter_context: pointer to vdev apdapter |
| 274 | * @tx_resume: TX Q resume trigger |
| 275 | * |
| 276 | * Q was stopped due to WLAN TX path low resource condition |
| 277 | * |
| 278 | * Return: None |
| 279 | */ |
| 280 | void hdd_tx_resume_cb(void *adapter_context, bool tx_resume) |
| 281 | { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 282 | struct hdd_adapter *adapter = (struct hdd_adapter *) adapter_context; |
Jeff Johnson | 40dae4e | 2017-08-29 14:00:25 -0700 | [diff] [blame] | 283 | struct hdd_station_ctx *hdd_sta_ctx = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 284 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 285 | if (!adapter) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 286 | /* INVALID ARG */ |
| 287 | return; |
| 288 | } |
| 289 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 290 | hdd_sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 291 | |
| 292 | /* Resume TX */ |
| 293 | if (true == tx_resume) { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 294 | if (QDF_TIMER_STATE_STOPPED != |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 295 | qdf_mc_timer_get_current_state(&adapter-> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 296 | tx_flow_control_timer)) { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 297 | qdf_mc_timer_stop(&adapter->tx_flow_control_timer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 298 | } |
Varun Reddy Yeturu | 8a5d3d4 | 2017-08-02 13:03:27 -0700 | [diff] [blame] | 299 | hdd_debug("Enabling queues"); |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 300 | wlan_hdd_netif_queue_control(adapter, |
Jeff Johnson | a039964 | 2016-12-05 12:39:59 -0800 | [diff] [blame] | 301 | WLAN_WAKE_ALL_NETIF_QUEUE, |
| 302 | WLAN_DATA_FLOW_CONTROL); |
Ajit Pal Singh | e6da1de | 2018-12-27 16:20:45 +0530 | [diff] [blame] | 303 | adapter->hdd_stats.tx_rx_stats.is_txflow_paused = false; |
| 304 | adapter->hdd_stats.tx_rx_stats.txflow_unpause_cnt++; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 305 | } |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 306 | hdd_tx_resume_false(adapter, tx_resume); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 307 | } |
| 308 | |
bings | 284f8be | 2017-08-11 10:41:30 +0800 | [diff] [blame] | 309 | bool hdd_tx_flow_control_is_pause(void *adapter_context) |
| 310 | { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 311 | struct hdd_adapter *adapter = (struct hdd_adapter *) adapter_context; |
bings | 284f8be | 2017-08-11 10:41:30 +0800 | [diff] [blame] | 312 | |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 313 | if ((!adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) { |
bings | 284f8be | 2017-08-11 10:41:30 +0800 | [diff] [blame] | 314 | /* INVALID ARG */ |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 315 | hdd_err("invalid adapter %pK", adapter); |
bings | 284f8be | 2017-08-11 10:41:30 +0800 | [diff] [blame] | 316 | return false; |
| 317 | } |
| 318 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 319 | return adapter->pause_map & (1 << WLAN_DATA_FLOW_CONTROL); |
bings | 284f8be | 2017-08-11 10:41:30 +0800 | [diff] [blame] | 320 | } |
| 321 | |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 322 | void hdd_register_tx_flow_control(struct hdd_adapter *adapter, |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 323 | qdf_mc_timer_callback_t timer_callback, |
bings | 284f8be | 2017-08-11 10:41:30 +0800 | [diff] [blame] | 324 | ol_txrx_tx_flow_control_fp flow_control_fp, |
| 325 | ol_txrx_tx_flow_control_is_pause_fp flow_control_is_pause_fp) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 326 | { |
| 327 | if (adapter->tx_flow_timer_initialized == false) { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 328 | qdf_mc_timer_init(&adapter->tx_flow_control_timer, |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 329 | QDF_TIMER_TYPE_SW, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 330 | timer_callback, |
| 331 | adapter); |
| 332 | adapter->tx_flow_timer_initialized = true; |
| 333 | } |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 334 | cdp_fc_register(cds_get_context(QDF_MODULE_ID_SOC), |
Jeff Johnson | 1abc566 | 2019-02-04 14:27:02 -0800 | [diff] [blame] | 335 | adapter->vdev_id, flow_control_fp, adapter, |
bings | 284f8be | 2017-08-11 10:41:30 +0800 | [diff] [blame] | 336 | flow_control_is_pause_fp); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | /** |
| 340 | * hdd_deregister_tx_flow_control() - Deregister TX Flow control |
| 341 | * @adapter: adapter handle |
| 342 | * |
| 343 | * Return: none |
| 344 | */ |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 345 | void hdd_deregister_tx_flow_control(struct hdd_adapter *adapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 346 | { |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 347 | cdp_fc_deregister(cds_get_context(QDF_MODULE_ID_SOC), |
Jeff Johnson | 1abc566 | 2019-02-04 14:27:02 -0800 | [diff] [blame] | 348 | adapter->vdev_id); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 349 | if (adapter->tx_flow_timer_initialized == true) { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 350 | qdf_mc_timer_stop(&adapter->tx_flow_control_timer); |
| 351 | qdf_mc_timer_destroy(&adapter->tx_flow_control_timer); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 352 | adapter->tx_flow_timer_initialized = false; |
| 353 | } |
| 354 | } |
| 355 | |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 356 | void hdd_get_tx_resource(struct hdd_adapter *adapter, |
Sourav Mohapatra | 5d22fbd | 2019-08-05 12:21:45 +0530 | [diff] [blame] | 357 | struct qdf_mac_addr *mac_addr, uint16_t timer_value) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 358 | { |
| 359 | if (false == |
Sourav Mohapatra | 5d22fbd | 2019-08-05 12:21:45 +0530 | [diff] [blame] | 360 | cdp_fc_get_tx_resource(cds_get_context(QDF_MODULE_ID_SOC), |
Vevek Venkatesan | b8e9662 | 2019-10-14 18:40:32 +0530 | [diff] [blame] | 361 | cds_get_context(QDF_MODULE_ID_TXRX), |
Sourav Mohapatra | 5d22fbd | 2019-08-05 12:21:45 +0530 | [diff] [blame] | 362 | *mac_addr, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 363 | adapter->tx_flow_low_watermark, |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 364 | adapter->tx_flow_hi_watermark_offset)) { |
Varun Reddy Yeturu | 8a5d3d4 | 2017-08-02 13:03:27 -0700 | [diff] [blame] | 365 | hdd_debug("Disabling queues lwm %d hwm offset %d", |
Jeff Johnson | a039964 | 2016-12-05 12:39:59 -0800 | [diff] [blame] | 366 | adapter->tx_flow_low_watermark, |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 367 | adapter->tx_flow_hi_watermark_offset); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 368 | wlan_hdd_netif_queue_control(adapter, WLAN_STOP_ALL_NETIF_QUEUE, |
| 369 | WLAN_DATA_FLOW_CONTROL); |
| 370 | if ((adapter->tx_flow_timer_initialized == true) && |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 371 | (QDF_TIMER_STATE_STOPPED == |
| 372 | qdf_mc_timer_get_current_state(&adapter-> |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 373 | tx_flow_control_timer))) { |
Anurag Chouhan | 210db07 | 2016-02-22 18:42:15 +0530 | [diff] [blame] | 374 | qdf_mc_timer_start(&adapter->tx_flow_control_timer, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 375 | timer_value); |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 376 | adapter->hdd_stats.tx_rx_stats.txflow_timer_cnt++; |
| 377 | adapter->hdd_stats.tx_rx_stats.txflow_pause_cnt++; |
| 378 | adapter->hdd_stats.tx_rx_stats.is_txflow_paused = true; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 379 | } |
| 380 | } |
| 381 | } |
| 382 | |
gbian | ec670c59 | 2016-11-24 11:21:30 +0800 | [diff] [blame] | 383 | #else |
Mohit Khanna | d0b63f5 | 2017-02-18 18:05:52 -0800 | [diff] [blame] | 384 | /** |
| 385 | * hdd_skb_orphan() - skb_unshare a cloned packed else skb_orphan |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 386 | * @adapter: pointer to HDD adapter |
Mohit Khanna | d0b63f5 | 2017-02-18 18:05:52 -0800 | [diff] [blame] | 387 | * @skb: pointer to skb data packet |
| 388 | * |
| 389 | * Return: pointer to skb structure |
| 390 | */ |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 391 | static inline struct sk_buff *hdd_skb_orphan(struct hdd_adapter *adapter, |
Mohit Khanna | d0b63f5 | 2017-02-18 18:05:52 -0800 | [diff] [blame] | 392 | struct sk_buff *skb) { |
gbian | ec670c59 | 2016-11-24 11:21:30 +0800 | [diff] [blame] | 393 | |
Mohit Khanna | d0b63f5 | 2017-02-18 18:05:52 -0800 | [diff] [blame] | 394 | struct sk_buff *nskb; |
tfyu | bdf453e | 2017-09-27 13:34:30 +0800 | [diff] [blame] | 395 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 19, 0)) |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 396 | struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
tfyu | bdf453e | 2017-09-27 13:34:30 +0800 | [diff] [blame] | 397 | #endif |
Mohit Khanna | d0b63f5 | 2017-02-18 18:05:52 -0800 | [diff] [blame] | 398 | |
Mohit Khanna | 8749373 | 2017-08-27 23:26:44 -0700 | [diff] [blame] | 399 | hdd_skb_fill_gso_size(adapter->dev, skb); |
| 400 | |
Manjunathappa Prakash | dab74fa | 2017-06-19 12:11:03 -0700 | [diff] [blame] | 401 | nskb = skb_unshare(skb, GFP_ATOMIC); |
tfyu | bdf453e | 2017-09-27 13:34:30 +0800 | [diff] [blame] | 402 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 19, 0)) |
Manjunathappa Prakash | dab74fa | 2017-06-19 12:11:03 -0700 | [diff] [blame] | 403 | if (unlikely(hdd_ctx->config->tx_orphan_enable) && (nskb == skb)) { |
Mohit Khanna | d0b63f5 | 2017-02-18 18:05:52 -0800 | [diff] [blame] | 404 | /* |
| 405 | * For UDP packets we want to orphan the packet to allow the app |
| 406 | * to send more packets. The flow would ultimately be controlled |
| 407 | * by the limited number of tx descriptors for the vdev. |
| 408 | */ |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 409 | ++adapter->hdd_stats.tx_rx_stats.tx_orphaned; |
Mohit Khanna | d0b63f5 | 2017-02-18 18:05:52 -0800 | [diff] [blame] | 410 | skb_orphan(skb); |
| 411 | } |
tfyu | bdf453e | 2017-09-27 13:34:30 +0800 | [diff] [blame] | 412 | #endif |
Mohit Khanna | d0b63f5 | 2017-02-18 18:05:52 -0800 | [diff] [blame] | 413 | return nskb; |
gbian | ec670c59 | 2016-11-24 11:21:30 +0800 | [diff] [blame] | 414 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 415 | #endif /* QCA_LL_LEGACY_TX_FLOW_CONTROL */ |
| 416 | |
Alok Kumar | b64650c | 2018-03-23 17:05:11 +0530 | [diff] [blame] | 417 | uint32_t hdd_txrx_get_tx_ack_count(struct hdd_adapter *adapter) |
| 418 | { |
| 419 | return cdp_get_tx_ack_stats(cds_get_context(QDF_MODULE_ID_SOC), |
Sravan Kumar Kairam | 53b43e1 | 2019-04-19 22:13:09 +0530 | [diff] [blame] | 420 | cds_get_context(QDF_MODULE_ID_TXRX), |
Jeff Johnson | 1abc566 | 2019-02-04 14:27:02 -0800 | [diff] [blame] | 421 | adapter->vdev_id); |
Alok Kumar | b64650c | 2018-03-23 17:05:11 +0530 | [diff] [blame] | 422 | } |
| 423 | |
Qiwei Cai | ba95ce6 | 2018-08-23 10:43:16 +0800 | [diff] [blame] | 424 | #ifdef FEATURE_WLAN_DIAG_SUPPORT |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 425 | /** |
| 426 | * qdf_event_eapol_log() - send event to wlan diag |
| 427 | * @skb: skb ptr |
| 428 | * @dir: direction |
| 429 | * @eapol_key_info: eapol key info |
| 430 | * |
| 431 | * Return: None |
| 432 | */ |
| 433 | void hdd_event_eapol_log(struct sk_buff *skb, enum qdf_proto_dir dir) |
| 434 | { |
| 435 | int16_t eapol_key_info; |
| 436 | |
| 437 | WLAN_HOST_DIAG_EVENT_DEF(wlan_diag_event, struct host_event_wlan_eapol); |
| 438 | |
| 439 | if ((dir == QDF_TX && |
| 440 | (QDF_NBUF_CB_PACKET_TYPE_EAPOL != |
| 441 | QDF_NBUF_CB_GET_PACKET_TYPE(skb)))) |
| 442 | return; |
| 443 | else if (!qdf_nbuf_is_ipv4_eapol_pkt(skb)) |
| 444 | return; |
| 445 | |
| 446 | eapol_key_info = (uint16_t)(*(uint16_t *) |
| 447 | (skb->data + EAPOL_KEY_INFO_OFFSET)); |
| 448 | |
| 449 | wlan_diag_event.event_sub_type = |
| 450 | (dir == QDF_TX ? |
| 451 | WIFI_EVENT_DRIVER_EAPOL_FRAME_TRANSMIT_REQUESTED : |
| 452 | WIFI_EVENT_DRIVER_EAPOL_FRAME_RECEIVED); |
| 453 | wlan_diag_event.eapol_packet_type = (uint8_t)(*(uint8_t *) |
| 454 | (skb->data + EAPOL_PACKET_TYPE_OFFSET)); |
| 455 | wlan_diag_event.eapol_key_info = eapol_key_info; |
| 456 | wlan_diag_event.eapol_rate = 0; |
| 457 | qdf_mem_copy(wlan_diag_event.dest_addr, |
| 458 | (skb->data + QDF_NBUF_DEST_MAC_OFFSET), |
| 459 | sizeof(wlan_diag_event.dest_addr)); |
| 460 | qdf_mem_copy(wlan_diag_event.src_addr, |
| 461 | (skb->data + QDF_NBUF_SRC_MAC_OFFSET), |
| 462 | sizeof(wlan_diag_event.src_addr)); |
| 463 | |
| 464 | WLAN_HOST_DIAG_EVENT_REPORT(&wlan_diag_event, EVENT_WLAN_EAPOL); |
| 465 | } |
Qiwei Cai | ba95ce6 | 2018-08-23 10:43:16 +0800 | [diff] [blame] | 466 | #endif /* FEATURE_WLAN_DIAG_SUPPORT */ |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 467 | |
| 468 | /** |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 469 | * wlan_hdd_classify_pkt() - classify packet |
| 470 | * @skb - sk buff |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 471 | * |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 472 | * Return: none |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 473 | */ |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 474 | void wlan_hdd_classify_pkt(struct sk_buff *skb) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 475 | { |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 476 | struct ethhdr *eh = (struct ethhdr *)skb->data; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 477 | |
hangtian | 127c953 | 2019-01-12 13:29:07 +0800 | [diff] [blame] | 478 | qdf_mem_zero(skb->cb, sizeof(skb->cb)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 479 | |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 480 | /* check destination mac address is broadcast/multicast */ |
| 481 | if (is_broadcast_ether_addr((uint8_t *)eh)) |
| 482 | QDF_NBUF_CB_GET_IS_BCAST(skb) = true; |
| 483 | else if (is_multicast_ether_addr((uint8_t *)eh)) |
| 484 | QDF_NBUF_CB_GET_IS_MCAST(skb) = true; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 485 | |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 486 | if (qdf_nbuf_is_ipv4_arp_pkt(skb)) |
| 487 | QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| 488 | QDF_NBUF_CB_PACKET_TYPE_ARP; |
| 489 | else if (qdf_nbuf_is_ipv4_dhcp_pkt(skb)) |
| 490 | QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| 491 | QDF_NBUF_CB_PACKET_TYPE_DHCP; |
| 492 | else if (qdf_nbuf_is_ipv4_eapol_pkt(skb)) |
| 493 | QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| 494 | QDF_NBUF_CB_PACKET_TYPE_EAPOL; |
| 495 | else if (qdf_nbuf_is_ipv4_wapi_pkt(skb)) |
| 496 | QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| 497 | QDF_NBUF_CB_PACKET_TYPE_WAPI; |
Zhu Jianmin | 04392c4 | 2017-05-12 16:34:53 +0800 | [diff] [blame] | 498 | else if (qdf_nbuf_is_icmp_pkt(skb)) |
| 499 | QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| 500 | QDF_NBUF_CB_PACKET_TYPE_ICMP; |
Poddar, Siddarth | 44aa5aa | 2017-07-10 17:30:22 +0530 | [diff] [blame] | 501 | else if (qdf_nbuf_is_icmpv6_pkt(skb)) |
| 502 | QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| 503 | QDF_NBUF_CB_PACKET_TYPE_ICMPv6; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | /** |
jitiphil | fb41061 | 2018-03-26 22:37:56 +0530 | [diff] [blame] | 507 | * hdd_clear_tx_rx_connectivity_stats() - clear connectivity stats |
| 508 | * @hdd_ctx: pointer to HDD Station Context |
| 509 | * |
| 510 | * Return: None |
| 511 | */ |
| 512 | static void hdd_clear_tx_rx_connectivity_stats(struct hdd_adapter *adapter) |
| 513 | { |
| 514 | hdd_info("Clear txrx connectivity stats"); |
| 515 | qdf_mem_zero(&adapter->hdd_stats.hdd_arp_stats, |
| 516 | sizeof(adapter->hdd_stats.hdd_arp_stats)); |
| 517 | qdf_mem_zero(&adapter->hdd_stats.hdd_dns_stats, |
| 518 | sizeof(adapter->hdd_stats.hdd_dns_stats)); |
| 519 | qdf_mem_zero(&adapter->hdd_stats.hdd_tcp_stats, |
| 520 | sizeof(adapter->hdd_stats.hdd_tcp_stats)); |
| 521 | qdf_mem_zero(&adapter->hdd_stats.hdd_icmpv4_stats, |
| 522 | sizeof(adapter->hdd_stats.hdd_icmpv4_stats)); |
| 523 | adapter->pkt_type_bitmap = 0; |
| 524 | adapter->track_arp_ip = 0; |
| 525 | qdf_mem_zero(adapter->dns_payload, adapter->track_dns_domain_len); |
| 526 | adapter->track_dns_domain_len = 0; |
| 527 | adapter->track_src_port = 0; |
| 528 | adapter->track_dest_port = 0; |
| 529 | adapter->track_dest_ipv4 = 0; |
| 530 | } |
| 531 | |
| 532 | void hdd_reset_all_adapters_connectivity_stats(struct hdd_context *hdd_ctx) |
| 533 | { |
Jeff Johnson | 45100a9 | 2019-03-08 22:10:16 -0800 | [diff] [blame] | 534 | struct hdd_adapter *adapter = NULL, *next = NULL; |
jitiphil | fb41061 | 2018-03-26 22:37:56 +0530 | [diff] [blame] | 535 | QDF_STATUS status; |
| 536 | |
| 537 | hdd_enter(); |
| 538 | |
| 539 | status = hdd_get_front_adapter(hdd_ctx, &adapter); |
| 540 | |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 541 | while (adapter && QDF_STATUS_SUCCESS == status) { |
jitiphil | fb41061 | 2018-03-26 22:37:56 +0530 | [diff] [blame] | 542 | hdd_clear_tx_rx_connectivity_stats(adapter); |
Jeff Johnson | 45100a9 | 2019-03-08 22:10:16 -0800 | [diff] [blame] | 543 | status = hdd_get_next_adapter(hdd_ctx, adapter, &next); |
| 544 | adapter = next; |
jitiphil | fb41061 | 2018-03-26 22:37:56 +0530 | [diff] [blame] | 545 | } |
| 546 | |
| 547 | hdd_exit(); |
| 548 | } |
| 549 | |
| 550 | /** |
Krishna Kumaar Natarajan | 5554cec | 2017-01-12 19:38:55 -0800 | [diff] [blame] | 551 | * hdd_is_tx_allowed() - check if Tx is allowed based on current peer state |
| 552 | * @skb: pointer to OS packet (sk_buff) |
| 553 | * @peer_id: Peer STA ID in peer table |
| 554 | * |
| 555 | * This function gets the peer state from DP and check if it is either |
| 556 | * in OL_TXRX_PEER_STATE_CONN or OL_TXRX_PEER_STATE_AUTH. Only EAP packets |
| 557 | * are allowed when peer_state is OL_TXRX_PEER_STATE_CONN. All packets |
| 558 | * allowed when peer_state is OL_TXRX_PEER_STATE_AUTH. |
| 559 | * |
| 560 | * Return: true if Tx is allowed and false otherwise. |
| 561 | */ |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 562 | static inline bool hdd_is_tx_allowed(struct sk_buff *skb, uint8_t *peer_mac) |
Krishna Kumaar Natarajan | 5554cec | 2017-01-12 19:38:55 -0800 | [diff] [blame] | 563 | { |
| 564 | enum ol_txrx_peer_state peer_state; |
| 565 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| 566 | void *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| 567 | void *peer; |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 568 | /* Will be removed in Phase 3 cleanup */ |
| 569 | uint8_t peer_id; |
Krishna Kumaar Natarajan | 5554cec | 2017-01-12 19:38:55 -0800 | [diff] [blame] | 570 | |
| 571 | QDF_BUG(soc); |
| 572 | QDF_BUG(pdev); |
| 573 | |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 574 | peer = cdp_peer_find_by_addr(soc, pdev, peer_mac, &peer_id); |
Krishna Kumaar Natarajan | 5554cec | 2017-01-12 19:38:55 -0800 | [diff] [blame] | 575 | |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 576 | if (!peer) { |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 577 | hdd_err_rl("Unable to find peer entry for sta: " |
| 578 | QDF_MAC_ADDR_STR, |
| 579 | QDF_MAC_ADDR_ARRAY(peer_mac)); |
Krishna Kumaar Natarajan | 5554cec | 2017-01-12 19:38:55 -0800 | [diff] [blame] | 580 | return false; |
| 581 | } |
| 582 | |
| 583 | peer_state = cdp_peer_state_get(soc, peer); |
Jeff Johnson | 6875531 | 2017-02-10 11:46:55 -0800 | [diff] [blame] | 584 | if (likely(OL_TXRX_PEER_STATE_AUTH == peer_state)) |
Krishna Kumaar Natarajan | 5554cec | 2017-01-12 19:38:55 -0800 | [diff] [blame] | 585 | return true; |
Jeff Johnson | 6875531 | 2017-02-10 11:46:55 -0800 | [diff] [blame] | 586 | if (OL_TXRX_PEER_STATE_CONN == peer_state && |
Jinwei Chen | 19846e5 | 2018-04-03 19:20:38 +0800 | [diff] [blame] | 587 | (ntohs(skb->protocol) == HDD_ETHERTYPE_802_1_X |
| 588 | || IS_HDD_ETHERTYPE_WAI(skb))) |
Krishna Kumaar Natarajan | 5554cec | 2017-01-12 19:38:55 -0800 | [diff] [blame] | 589 | return true; |
hqu | 8925c8f | 2017-12-11 19:29:01 +0800 | [diff] [blame] | 590 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
Jeff Johnson | 6875531 | 2017-02-10 11:46:55 -0800 | [diff] [blame] | 591 | FL("Invalid peer state for Tx: %d"), peer_state); |
| 592 | return false; |
Krishna Kumaar Natarajan | 5554cec | 2017-01-12 19:38:55 -0800 | [diff] [blame] | 593 | } |
jitiphil | fb41061 | 2018-03-26 22:37:56 +0530 | [diff] [blame] | 594 | |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 595 | /** |
| 596 | * hdd_tx_rx_is_dns_domain_name_match() - function to check whether dns |
| 597 | * domain name in the received skb matches with the tracking dns domain |
| 598 | * name or not |
| 599 | * |
| 600 | * @skb: pointer to skb |
| 601 | * @adapter: pointer to adapter |
| 602 | * |
| 603 | * Returns: true if matches else false |
| 604 | */ |
| 605 | static bool hdd_tx_rx_is_dns_domain_name_match(struct sk_buff *skb, |
| 606 | struct hdd_adapter *adapter) |
| 607 | { |
| 608 | uint8_t *domain_name; |
| 609 | |
| 610 | if (adapter->track_dns_domain_len == 0) |
| 611 | return false; |
| 612 | |
Alok Kumar | 3e9c713 | 2019-02-28 22:54:05 +0530 | [diff] [blame] | 613 | /* check OOB , is strncmp accessing data more than skb->len */ |
| 614 | if ((adapter->track_dns_domain_len + |
| 615 | QDF_NBUF_PKT_DNS_NAME_OVER_UDP_OFFSET) > qdf_nbuf_len(skb)) |
| 616 | return false; |
| 617 | |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 618 | domain_name = qdf_nbuf_get_dns_domain_name(skb, |
| 619 | adapter->track_dns_domain_len); |
| 620 | if (strncmp(domain_name, adapter->dns_payload, |
| 621 | adapter->track_dns_domain_len) == 0) |
| 622 | return true; |
| 623 | else |
| 624 | return false; |
| 625 | } |
| 626 | |
| 627 | void hdd_tx_rx_collect_connectivity_stats_info(struct sk_buff *skb, |
| 628 | void *context, |
| 629 | enum connectivity_stats_pkt_status action, |
| 630 | uint8_t *pkt_type) |
| 631 | { |
| 632 | uint32_t pkt_type_bitmap; |
| 633 | struct hdd_adapter *adapter = NULL; |
| 634 | |
| 635 | adapter = (struct hdd_adapter *)context; |
| 636 | if (unlikely(adapter->magic != WLAN_HDD_ADAPTER_MAGIC)) { |
| 637 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| 638 | "Magic cookie(%x) for adapter sanity verification is invalid", |
| 639 | adapter->magic); |
| 640 | return; |
| 641 | } |
| 642 | |
| 643 | /* ARP tracking is done already. */ |
| 644 | pkt_type_bitmap = adapter->pkt_type_bitmap; |
| 645 | pkt_type_bitmap &= ~CONNECTIVITY_CHECK_SET_ARP; |
| 646 | |
| 647 | if (!pkt_type_bitmap) |
| 648 | return; |
| 649 | |
| 650 | switch (action) { |
| 651 | case PKT_TYPE_REQ: |
| 652 | case PKT_TYPE_TX_HOST_FW_SENT: |
| 653 | if (qdf_nbuf_is_icmp_pkt(skb)) { |
| 654 | if (qdf_nbuf_data_is_icmpv4_req(skb) && |
| 655 | (adapter->track_dest_ipv4 == |
| 656 | qdf_nbuf_get_icmpv4_tgt_ip(skb))) { |
| 657 | *pkt_type = CONNECTIVITY_CHECK_SET_ICMPV4; |
| 658 | if (action == PKT_TYPE_REQ) { |
| 659 | ++adapter->hdd_stats.hdd_icmpv4_stats. |
| 660 | tx_icmpv4_req_count; |
| 661 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 662 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 663 | "%s : ICMPv4 Req packet", |
| 664 | __func__); |
| 665 | } else |
| 666 | /* host receives tx completion */ |
| 667 | ++adapter->hdd_stats.hdd_icmpv4_stats. |
| 668 | tx_host_fw_sent; |
| 669 | } |
| 670 | } else if (qdf_nbuf_is_ipv4_tcp_pkt(skb)) { |
| 671 | if (qdf_nbuf_data_is_tcp_syn(skb) && |
| 672 | (adapter->track_dest_port == |
| 673 | qdf_nbuf_data_get_tcp_dst_port(skb))) { |
| 674 | *pkt_type = CONNECTIVITY_CHECK_SET_TCP_SYN; |
| 675 | if (action == PKT_TYPE_REQ) { |
| 676 | ++adapter->hdd_stats.hdd_tcp_stats. |
| 677 | tx_tcp_syn_count; |
| 678 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 679 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 680 | "%s : TCP Syn packet", |
| 681 | __func__); |
| 682 | } else |
| 683 | /* host receives tx completion */ |
| 684 | ++adapter->hdd_stats.hdd_tcp_stats. |
| 685 | tx_tcp_syn_host_fw_sent; |
| 686 | } else if ((adapter->hdd_stats.hdd_tcp_stats. |
| 687 | is_tcp_syn_ack_rcv || adapter->hdd_stats. |
| 688 | hdd_tcp_stats.is_tcp_ack_sent) && |
| 689 | qdf_nbuf_data_is_tcp_ack(skb) && |
| 690 | (adapter->track_dest_port == |
| 691 | qdf_nbuf_data_get_tcp_dst_port(skb))) { |
| 692 | *pkt_type = CONNECTIVITY_CHECK_SET_TCP_ACK; |
| 693 | if (action == PKT_TYPE_REQ && |
| 694 | adapter->hdd_stats.hdd_tcp_stats. |
| 695 | is_tcp_syn_ack_rcv) { |
| 696 | ++adapter->hdd_stats.hdd_tcp_stats. |
| 697 | tx_tcp_ack_count; |
| 698 | adapter->hdd_stats.hdd_tcp_stats. |
| 699 | is_tcp_syn_ack_rcv = false; |
| 700 | adapter->hdd_stats.hdd_tcp_stats. |
| 701 | is_tcp_ack_sent = true; |
| 702 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 703 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 704 | "%s : TCP Ack packet", |
| 705 | __func__); |
| 706 | } else if (action == PKT_TYPE_TX_HOST_FW_SENT && |
| 707 | adapter->hdd_stats.hdd_tcp_stats. |
| 708 | is_tcp_ack_sent) { |
Srinivas Girigowda | 683726a | 2018-09-07 15:10:40 -0700 | [diff] [blame] | 709 | /* host receives tx completion */ |
| 710 | ++adapter->hdd_stats.hdd_tcp_stats. |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 711 | tx_tcp_ack_host_fw_sent; |
Srinivas Girigowda | 683726a | 2018-09-07 15:10:40 -0700 | [diff] [blame] | 712 | adapter->hdd_stats.hdd_tcp_stats. |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 713 | is_tcp_ack_sent = false; |
| 714 | } |
| 715 | } |
| 716 | } else if (qdf_nbuf_is_ipv4_udp_pkt(skb)) { |
| 717 | if (qdf_nbuf_data_is_dns_query(skb) && |
| 718 | hdd_tx_rx_is_dns_domain_name_match(skb, adapter)) { |
| 719 | *pkt_type = CONNECTIVITY_CHECK_SET_DNS; |
| 720 | if (action == PKT_TYPE_REQ) { |
| 721 | ++adapter->hdd_stats.hdd_dns_stats. |
| 722 | tx_dns_req_count; |
| 723 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 724 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 725 | "%s : DNS query packet", |
| 726 | __func__); |
| 727 | } else |
| 728 | /* host receives tx completion */ |
| 729 | ++adapter->hdd_stats.hdd_dns_stats. |
| 730 | tx_host_fw_sent; |
| 731 | } |
| 732 | } |
| 733 | break; |
| 734 | |
| 735 | case PKT_TYPE_RSP: |
| 736 | if (qdf_nbuf_is_icmp_pkt(skb)) { |
| 737 | if (qdf_nbuf_data_is_icmpv4_rsp(skb) && |
| 738 | (adapter->track_dest_ipv4 == |
| 739 | qdf_nbuf_get_icmpv4_src_ip(skb))) { |
| 740 | ++adapter->hdd_stats.hdd_icmpv4_stats. |
| 741 | rx_icmpv4_rsp_count; |
| 742 | *pkt_type = |
| 743 | CONNECTIVITY_CHECK_SET_ICMPV4; |
| 744 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 745 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 746 | "%s : ICMPv4 Res packet", __func__); |
| 747 | } |
| 748 | } else if (qdf_nbuf_is_ipv4_tcp_pkt(skb)) { |
| 749 | if (qdf_nbuf_data_is_tcp_syn_ack(skb) && |
| 750 | (adapter->track_dest_port == |
| 751 | qdf_nbuf_data_get_tcp_src_port(skb))) { |
| 752 | ++adapter->hdd_stats.hdd_tcp_stats. |
| 753 | rx_tcp_syn_ack_count; |
| 754 | adapter->hdd_stats.hdd_tcp_stats. |
| 755 | is_tcp_syn_ack_rcv = true; |
| 756 | *pkt_type = |
| 757 | CONNECTIVITY_CHECK_SET_TCP_SYN_ACK; |
| 758 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 759 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 760 | "%s : TCP Syn ack packet", __func__); |
| 761 | } |
| 762 | } else if (qdf_nbuf_is_ipv4_udp_pkt(skb)) { |
| 763 | if (qdf_nbuf_data_is_dns_response(skb) && |
| 764 | hdd_tx_rx_is_dns_domain_name_match(skb, adapter)) { |
| 765 | ++adapter->hdd_stats.hdd_dns_stats. |
| 766 | rx_dns_rsp_count; |
| 767 | *pkt_type = CONNECTIVITY_CHECK_SET_DNS; |
| 768 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 769 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 770 | "%s : DNS response packet", __func__); |
| 771 | } |
| 772 | } |
| 773 | break; |
| 774 | |
| 775 | case PKT_TYPE_TX_DROPPED: |
| 776 | switch (*pkt_type) { |
| 777 | case CONNECTIVITY_CHECK_SET_ICMPV4: |
| 778 | ++adapter->hdd_stats.hdd_icmpv4_stats.tx_dropped; |
| 779 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 780 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 781 | "%s : ICMPv4 Req packet dropped", __func__); |
| 782 | break; |
| 783 | case CONNECTIVITY_CHECK_SET_TCP_SYN: |
| 784 | ++adapter->hdd_stats.hdd_tcp_stats.tx_tcp_syn_dropped; |
| 785 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 786 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 787 | "%s : TCP syn packet dropped", __func__); |
| 788 | break; |
| 789 | case CONNECTIVITY_CHECK_SET_TCP_ACK: |
| 790 | ++adapter->hdd_stats.hdd_tcp_stats.tx_tcp_ack_dropped; |
| 791 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 792 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 793 | "%s : TCP ack packet dropped", __func__); |
| 794 | break; |
| 795 | case CONNECTIVITY_CHECK_SET_DNS: |
| 796 | ++adapter->hdd_stats.hdd_dns_stats.tx_dropped; |
| 797 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 798 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 799 | "%s : DNS query packet dropped", __func__); |
| 800 | break; |
| 801 | default: |
| 802 | break; |
| 803 | } |
| 804 | break; |
| 805 | case PKT_TYPE_RX_DELIVERED: |
| 806 | switch (*pkt_type) { |
| 807 | case CONNECTIVITY_CHECK_SET_ICMPV4: |
| 808 | ++adapter->hdd_stats.hdd_icmpv4_stats.rx_delivered; |
| 809 | break; |
| 810 | case CONNECTIVITY_CHECK_SET_TCP_SYN_ACK: |
| 811 | ++adapter->hdd_stats.hdd_tcp_stats.rx_delivered; |
| 812 | break; |
| 813 | case CONNECTIVITY_CHECK_SET_DNS: |
| 814 | ++adapter->hdd_stats.hdd_dns_stats.rx_delivered; |
| 815 | break; |
| 816 | default: |
| 817 | break; |
| 818 | } |
| 819 | break; |
| 820 | case PKT_TYPE_RX_REFUSED: |
| 821 | switch (*pkt_type) { |
| 822 | case CONNECTIVITY_CHECK_SET_ICMPV4: |
| 823 | ++adapter->hdd_stats.hdd_icmpv4_stats.rx_refused; |
| 824 | break; |
| 825 | case CONNECTIVITY_CHECK_SET_TCP_SYN_ACK: |
| 826 | ++adapter->hdd_stats.hdd_tcp_stats.rx_refused; |
| 827 | break; |
| 828 | case CONNECTIVITY_CHECK_SET_DNS: |
| 829 | ++adapter->hdd_stats.hdd_dns_stats.rx_refused; |
| 830 | break; |
| 831 | default: |
| 832 | break; |
| 833 | } |
| 834 | break; |
| 835 | case PKT_TYPE_TX_ACK_CNT: |
| 836 | switch (*pkt_type) { |
| 837 | case CONNECTIVITY_CHECK_SET_ICMPV4: |
| 838 | ++adapter->hdd_stats.hdd_icmpv4_stats.tx_ack_cnt; |
| 839 | break; |
| 840 | case CONNECTIVITY_CHECK_SET_TCP_SYN: |
| 841 | ++adapter->hdd_stats.hdd_tcp_stats.tx_tcp_syn_ack_cnt; |
| 842 | break; |
| 843 | case CONNECTIVITY_CHECK_SET_TCP_ACK: |
| 844 | ++adapter->hdd_stats.hdd_tcp_stats.tx_tcp_ack_ack_cnt; |
| 845 | break; |
| 846 | case CONNECTIVITY_CHECK_SET_DNS: |
| 847 | ++adapter->hdd_stats.hdd_dns_stats.tx_ack_cnt; |
| 848 | break; |
| 849 | default: |
| 850 | break; |
| 851 | } |
| 852 | break; |
| 853 | default: |
| 854 | break; |
| 855 | } |
| 856 | } |
Krishna Kumaar Natarajan | 5554cec | 2017-01-12 19:38:55 -0800 | [diff] [blame] | 857 | |
| 858 | /** |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 859 | * hdd_is_xmit_allowed_on_ndi() - Verify if xmit is allowed on NDI |
| 860 | * @adapter: The adapter structure |
| 861 | * |
| 862 | * Return: True if xmit is allowed on NDI and false otherwise |
| 863 | */ |
| 864 | static bool hdd_is_xmit_allowed_on_ndi(struct hdd_adapter *adapter) |
| 865 | { |
| 866 | enum nan_datapath_state state; |
| 867 | |
| 868 | state = ucfg_nan_get_ndi_state(adapter->vdev); |
| 869 | return (state == NAN_DATA_NDI_CREATED_STATE || |
| 870 | state == NAN_DATA_CONNECTED_STATE || |
| 871 | state == NAN_DATA_CONNECTING_STATE || |
| 872 | state == NAN_DATA_PEER_CREATE_STATE); |
| 873 | } |
| 874 | |
| 875 | /** |
| 876 | * hdd_get_transmit_mac_addr() - Get the mac address to validate the xmit |
| 877 | * @adapter: The adapter structure |
| 878 | * @skb: The network buffer |
| 879 | * @mac_addr_tx_allowed: The mac address to be filled |
| 880 | * |
| 881 | * Return: None |
| 882 | */ |
| 883 | static |
| 884 | void hdd_get_transmit_mac_addr(struct hdd_adapter *adapter, struct sk_buff *skb, |
| 885 | struct qdf_mac_addr *mac_addr_tx_allowed) |
| 886 | { |
| 887 | struct hdd_station_ctx *sta_ctx = &adapter->session.station; |
| 888 | bool is_mc_bc_addr = false; |
| 889 | |
| 890 | if (QDF_NBUF_CB_GET_IS_BCAST(skb) || QDF_NBUF_CB_GET_IS_MCAST(skb)) |
| 891 | is_mc_bc_addr = true; |
| 892 | |
| 893 | if (adapter->device_mode == QDF_IBSS_MODE) { |
| 894 | if (is_mc_bc_addr) |
| 895 | qdf_copy_macaddr(mac_addr_tx_allowed, |
| 896 | &adapter->mac_addr); |
| 897 | else |
| 898 | qdf_copy_macaddr(mac_addr_tx_allowed, |
| 899 | (struct qdf_mac_addr *)skb->data); |
| 900 | } else if (adapter->device_mode == QDF_NDI_MODE && |
| 901 | hdd_is_xmit_allowed_on_ndi(adapter)) { |
| 902 | if (is_mc_bc_addr) |
| 903 | qdf_copy_macaddr(mac_addr_tx_allowed, |
| 904 | &adapter->mac_addr); |
| 905 | else |
| 906 | qdf_copy_macaddr(mac_addr_tx_allowed, |
| 907 | (struct qdf_mac_addr *)skb->data); |
| 908 | } else { |
| 909 | if (sta_ctx->conn_info.conn_state == |
| 910 | eConnectionState_Associated) |
| 911 | qdf_copy_macaddr(mac_addr_tx_allowed, |
| 912 | &sta_ctx->conn_info.bssid); |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | /** |
Mukul Sharma | c4de4ef | 2016-09-12 15:39:00 +0530 | [diff] [blame] | 917 | * __hdd_hard_start_xmit() - Transmit a frame |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 918 | * @skb: pointer to OS packet (sk_buff) |
| 919 | * @dev: pointer to network device |
| 920 | * |
| 921 | * Function registered with the Linux OS for transmitting |
| 922 | * packets. This version of the function directly passes |
| 923 | * the packet to Transport Layer. |
Poddar, Siddarth | 31b9b8b | 2017-04-07 12:04:55 +0530 | [diff] [blame] | 924 | * In case of any packet drop or error, log the error with |
| 925 | * INFO HIGH/LOW/MEDIUM to avoid excessive logging in kmsg. |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 926 | * |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 927 | * Return: None |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 928 | */ |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 929 | static void __hdd_hard_start_xmit(struct sk_buff *skb, |
| 930 | struct net_device *dev) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 931 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 932 | QDF_STATUS status; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 933 | sme_ac_enum_type ac; |
Abhishek Singh | 12be60f | 2017-08-11 13:52:42 +0530 | [diff] [blame] | 934 | enum sme_qos_wmmuptype up; |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 935 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 936 | bool granted; |
Jeff Johnson | b942486 | 2017-10-30 08:49:35 -0700 | [diff] [blame] | 937 | struct hdd_station_ctx *sta_ctx = &adapter->session.station; |
Kabilan Kannan | 1c1c402 | 2017-04-06 22:49:26 -0700 | [diff] [blame] | 938 | struct qdf_mac_addr *mac_addr; |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 939 | struct qdf_mac_addr mac_addr_tx_allowed = QDF_MAC_ADDR_ZERO_INIT; |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 940 | uint8_t pkt_type = 0; |
Sravan Kumar Kairam | dd57ea3 | 2017-04-06 16:57:35 +0530 | [diff] [blame] | 941 | bool is_arp = false; |
Bala Venkatesh | f286790 | 2019-03-08 15:01:23 +0530 | [diff] [blame] | 942 | struct wlan_objmgr_vdev *vdev; |
Manjunathappa Prakash | 35af2e2 | 2019-07-30 20:23:34 -0700 | [diff] [blame] | 943 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 944 | |
| 945 | #ifdef QCA_WIFI_FTM |
Anurag Chouhan | 6d76066 | 2016-02-20 16:05:43 +0530 | [diff] [blame] | 946 | if (hdd_get_conparam() == QDF_GLOBAL_FTM_MODE) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 947 | kfree_skb(skb); |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 948 | return; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 949 | } |
| 950 | #endif |
| 951 | |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 952 | ++adapter->hdd_stats.tx_rx_stats.tx_called; |
| 953 | adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt = 0; |
Sourav Mohapatra | 5d22fbd | 2019-08-05 12:21:45 +0530 | [diff] [blame] | 954 | mac_addr = (struct qdf_mac_addr *)skb->data; |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 955 | |
Will Huang | 20de943 | 2018-02-06 17:01:03 +0800 | [diff] [blame] | 956 | if (cds_is_driver_recovering() || cds_is_driver_in_bad_state() || |
| 957 | cds_is_load_or_unload_in_progress()) { |
Poddar, Siddarth | 31b9b8b | 2017-04-07 12:04:55 +0530 | [diff] [blame] | 958 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
Will Huang | 20de943 | 2018-02-06 17:01:03 +0800 | [diff] [blame] | 959 | "Recovery/(Un)load in progress, dropping the packet"); |
Nirav Shah | df3659e | 2016-06-27 12:26:28 +0530 | [diff] [blame] | 960 | goto drop_pkt; |
Govind Singh | ede435f | 2015-12-01 16:16:36 +0530 | [diff] [blame] | 961 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 962 | |
Manjunathappa Prakash | 35af2e2 | 2019-07-30 20:23:34 -0700 | [diff] [blame] | 963 | hdd_ctx = adapter->hdd_ctx; |
| 964 | if (wlan_hdd_validate_context(hdd_ctx)) { |
| 965 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| 966 | "Invalid HDD context"); |
| 967 | goto drop_pkt; |
| 968 | } |
| 969 | |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 970 | wlan_hdd_classify_pkt(skb); |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 971 | if (QDF_NBUF_CB_GET_PACKET_TYPE(skb) == QDF_NBUF_CB_PACKET_TYPE_ARP) { |
| 972 | is_arp = true; |
| 973 | if (qdf_nbuf_data_is_arp_req(skb) && |
Alok Kumar | b94a2e7 | 2019-03-11 19:47:15 +0530 | [diff] [blame] | 974 | (adapter->track_arp_ip == qdf_nbuf_get_arp_tgt_ip(skb))) { |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 975 | ++adapter->hdd_stats.hdd_arp_stats.tx_arp_req_count; |
| 976 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 977 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 978 | "%s : ARP packet", __func__); |
| 979 | } |
| 980 | } |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 981 | /* track connectivity stats */ |
| 982 | if (adapter->pkt_type_bitmap) |
| 983 | hdd_tx_rx_collect_connectivity_stats_info(skb, adapter, |
| 984 | PKT_TYPE_REQ, &pkt_type); |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 985 | |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 986 | hdd_get_transmit_mac_addr(adapter, skb, &mac_addr_tx_allowed); |
| 987 | if (qdf_is_macaddr_zero(&mac_addr_tx_allowed)) { |
hqu | 5e6b986 | 2017-12-21 18:48:46 +0800 | [diff] [blame] | 988 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 989 | "tx not allowed, transmit operation suspended"); |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 990 | goto drop_pkt; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 991 | } |
| 992 | |
Sourav Mohapatra | 5d22fbd | 2019-08-05 12:21:45 +0530 | [diff] [blame] | 993 | hdd_get_tx_resource(adapter, mac_addr, |
| 994 | WLAN_HDD_TX_FLOW_CONTROL_OS_Q_BLOCK_TIME); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 995 | |
| 996 | /* Get TL AC corresponding to Qdisc queue index/AC. */ |
| 997 | ac = hdd_qdisc_ac_to_tl_ac[skb->queue_mapping]; |
| 998 | |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 999 | if (!qdf_nbuf_ipa_owned_get(skb)) { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1000 | skb = hdd_skb_orphan(adapter, skb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1001 | if (!skb) |
Nirav Shah | df3659e | 2016-06-27 12:26:28 +0530 | [diff] [blame] | 1002 | goto drop_pkt_accounting; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1003 | } |
| 1004 | |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 1005 | /* |
Himanshu Agarwal | 53298d1 | 2017-02-20 19:14:17 +0530 | [diff] [blame] | 1006 | * Add SKB to internal tracking table before further processing |
| 1007 | * in WLAN driver. |
| 1008 | */ |
| 1009 | qdf_net_buf_debug_acquire_skb(skb, __FILE__, __LINE__); |
| 1010 | |
| 1011 | /* |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 1012 | * user priority from IP header, which is already extracted and set from |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1013 | * select_queue call back function |
| 1014 | */ |
| 1015 | up = skb->priority; |
| 1016 | |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1017 | ++adapter->hdd_stats.tx_rx_stats.tx_classified_ac[ac]; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1018 | #ifdef HDD_WMM_DEBUG |
Srinivas Girigowda | 028c448 | 2017-03-09 18:52:02 -0800 | [diff] [blame] | 1019 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_DEBUG, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1020 | "%s: Classified as ac %d up %d", __func__, ac, up); |
| 1021 | #endif /* HDD_WMM_DEBUG */ |
| 1022 | |
Jeff Johnson | 137c8ee | 2017-10-28 13:06:48 -0700 | [diff] [blame] | 1023 | if (HDD_PSB_CHANGED == adapter->psb_changed) { |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 1024 | /* |
| 1025 | * Function which will determine acquire admittance for a |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1026 | * WMM AC is required or not based on psb configuration done |
| 1027 | * in the framework |
| 1028 | */ |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1029 | hdd_wmm_acquire_access_required(adapter, ac); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1030 | } |
| 1031 | /* |
| 1032 | * Make sure we already have access to this access category |
| 1033 | * or it is EAPOL or WAPI frame during initial authentication which |
| 1034 | * can have artifically boosted higher qos priority. |
| 1035 | */ |
| 1036 | |
Jeff Johnson | 137c8ee | 2017-10-28 13:06:48 -0700 | [diff] [blame] | 1037 | if (((adapter->psb_changed & (1 << ac)) && |
Jeff Johnson | 12e1233 | 2019-03-08 23:29:23 -0800 | [diff] [blame] | 1038 | likely(adapter->hdd_wmm_status.ac_status[ac]. |
Jeff Johnson | a554897 | 2019-03-09 14:22:18 -0800 | [diff] [blame] | 1039 | is_access_allowed)) || |
Jeff Johnson | 457c242 | 2019-02-27 13:56:04 -0800 | [diff] [blame] | 1040 | ((sta_ctx->conn_info.is_authenticated == false) && |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 1041 | (QDF_NBUF_CB_PACKET_TYPE_EAPOL == |
| 1042 | QDF_NBUF_CB_GET_PACKET_TYPE(skb) || |
| 1043 | QDF_NBUF_CB_PACKET_TYPE_WAPI == |
| 1044 | QDF_NBUF_CB_GET_PACKET_TYPE(skb)))) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1045 | granted = true; |
| 1046 | } else { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1047 | status = hdd_wmm_acquire_access(adapter, ac, &granted); |
Jeff Johnson | 137c8ee | 2017-10-28 13:06:48 -0700 | [diff] [blame] | 1048 | adapter->psb_changed |= (1 << ac); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1049 | } |
| 1050 | |
| 1051 | if (!granted) { |
| 1052 | bool isDefaultAc = false; |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 1053 | /* |
| 1054 | * ADDTS request for this AC is sent, for now |
Jeff Johnson | 55ceaf0 | 2018-05-06 17:22:29 -0700 | [diff] [blame] | 1055 | * send this packet through next available lower |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1056 | * Access category until ADDTS negotiation completes. |
| 1057 | */ |
| 1058 | while (!likely |
Jeff Johnson | 12e1233 | 2019-03-08 23:29:23 -0800 | [diff] [blame] | 1059 | (adapter->hdd_wmm_status.ac_status[ac]. |
Jeff Johnson | a554897 | 2019-03-09 14:22:18 -0800 | [diff] [blame] | 1060 | is_access_allowed)) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1061 | switch (ac) { |
| 1062 | case SME_AC_VO: |
| 1063 | ac = SME_AC_VI; |
| 1064 | up = SME_QOS_WMM_UP_VI; |
| 1065 | break; |
| 1066 | case SME_AC_VI: |
| 1067 | ac = SME_AC_BE; |
| 1068 | up = SME_QOS_WMM_UP_BE; |
| 1069 | break; |
| 1070 | case SME_AC_BE: |
| 1071 | ac = SME_AC_BK; |
| 1072 | up = SME_QOS_WMM_UP_BK; |
| 1073 | break; |
| 1074 | default: |
| 1075 | ac = SME_AC_BK; |
| 1076 | up = SME_QOS_WMM_UP_BK; |
| 1077 | isDefaultAc = true; |
| 1078 | break; |
| 1079 | } |
| 1080 | if (isDefaultAc) |
| 1081 | break; |
| 1082 | } |
| 1083 | skb->priority = up; |
| 1084 | skb->queue_mapping = hdd_linux_up_to_ac_map[up]; |
| 1085 | } |
| 1086 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1087 | adapter->stats.tx_bytes += skb->len; |
Kabilan Kannan | 36090ce | 2016-05-03 19:28:44 -0700 | [diff] [blame] | 1088 | |
Bala Venkatesh | f286790 | 2019-03-08 15:01:23 +0530 | [diff] [blame] | 1089 | vdev = hdd_objmgr_get_vdev(adapter); |
| 1090 | if (vdev) { |
| 1091 | ucfg_tdls_update_tx_pkt_cnt(vdev, mac_addr); |
| 1092 | hdd_objmgr_put_vdev(vdev); |
| 1093 | } |
Kabilan Kannan | 1c1c402 | 2017-04-06 22:49:26 -0700 | [diff] [blame] | 1094 | |
Manjunathappa Prakash | 35af2e2 | 2019-07-30 20:23:34 -0700 | [diff] [blame] | 1095 | if (qdf_nbuf_is_tso(skb)) { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1096 | adapter->stats.tx_packets += qdf_nbuf_get_tso_num_seg(skb); |
Manjunathappa Prakash | 35af2e2 | 2019-07-30 20:23:34 -0700 | [diff] [blame] | 1097 | } else { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1098 | ++adapter->stats.tx_packets; |
Manjunathappa Prakash | 35af2e2 | 2019-07-30 20:23:34 -0700 | [diff] [blame] | 1099 | hdd_ctx->no_tx_offload_pkt_cnt++; |
| 1100 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1101 | |
Nirav Shah | 5e74bb8 | 2016-07-20 16:01:27 +0530 | [diff] [blame] | 1102 | hdd_event_eapol_log(skb, QDF_TX); |
Nirav Shah | cbc6d72 | 2016-03-01 16:24:53 +0530 | [diff] [blame] | 1103 | QDF_NBUF_CB_TX_PACKET_TRACK(skb) = QDF_NBUF_TX_PKT_DATA_TRACK; |
| 1104 | QDF_NBUF_UPDATE_TX_PKT_COUNT(skb, QDF_NBUF_TX_PKT_HDD); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1105 | |
Nirav Shah | 0d58a7e | 2016-04-26 22:54:12 +0530 | [diff] [blame] | 1106 | qdf_dp_trace_set_track(skb, QDF_TX); |
Mohit Khanna | f8f9682 | 2017-05-17 17:11:59 -0700 | [diff] [blame] | 1107 | |
Nirav Shah | 0d58a7e | 2016-04-26 22:54:12 +0530 | [diff] [blame] | 1108 | DPTRACE(qdf_dp_trace(skb, QDF_DP_TRACE_HDD_TX_PACKET_PTR_RECORD, |
Venkata Sharath Chandra Manchala | 0b9fc63 | 2017-05-15 14:35:15 -0700 | [diff] [blame] | 1109 | QDF_TRACE_DEFAULT_PDEV_ID, qdf_nbuf_data_addr(skb), |
| 1110 | sizeof(qdf_nbuf_data(skb)), |
Himanshu Agarwal | ee3411a | 2017-01-31 12:56:47 +0530 | [diff] [blame] | 1111 | QDF_TX)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1112 | |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 1113 | if (!hdd_is_tx_allowed(skb, mac_addr_tx_allowed.bytes)) { |
| 1114 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 1115 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 1116 | FL("Tx not allowed for sta: " |
| 1117 | QDF_MAC_ADDR_STR), QDF_MAC_ADDR_ARRAY( |
| 1118 | mac_addr_tx_allowed.bytes)); |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1119 | ++adapter->hdd_stats.tx_rx_stats.tx_dropped_ac[ac]; |
Himanshu Agarwal | 53298d1 | 2017-02-20 19:14:17 +0530 | [diff] [blame] | 1120 | goto drop_pkt_and_release_skb; |
Dhanashri Atre | 168d2b4 | 2016-02-22 14:43:06 -0800 | [diff] [blame] | 1121 | } |
| 1122 | |
jinweic chen | 5104601 | 2018-04-11 16:02:22 +0800 | [diff] [blame] | 1123 | /* check whether need to linearize skb, like non-linear udp data */ |
| 1124 | if (hdd_skb_nontso_linearize(skb) != QDF_STATUS_SUCCESS) { |
| 1125 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| 1126 | QDF_TRACE_LEVEL_INFO_HIGH, |
| 1127 | "%s: skb %pK linearize failed. drop the pkt", |
| 1128 | __func__, skb); |
| 1129 | ++adapter->hdd_stats.tx_rx_stats.tx_dropped_ac[ac]; |
| 1130 | goto drop_pkt_and_release_skb; |
| 1131 | } |
| 1132 | |
Dhanashri Atre | 168d2b4 | 2016-02-22 14:43:06 -0800 | [diff] [blame] | 1133 | /* |
Ravi Joshi | 24477b7 | 2016-07-19 15:45:09 -0700 | [diff] [blame] | 1134 | * If a transmit function is not registered, drop packet |
| 1135 | */ |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1136 | if (!adapter->tx_fn) { |
Dhanashri Atre | 168d2b4 | 2016-02-22 14:43:06 -0800 | [diff] [blame] | 1137 | QDF_TRACE(QDF_MODULE_ID_HDD_SAP_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| 1138 | "%s: TX function not registered by the data path", |
| 1139 | __func__); |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1140 | ++adapter->hdd_stats.tx_rx_stats.tx_dropped_ac[ac]; |
Himanshu Agarwal | 53298d1 | 2017-02-20 19:14:17 +0530 | [diff] [blame] | 1141 | goto drop_pkt_and_release_skb; |
Dhanashri Atre | 168d2b4 | 2016-02-22 14:43:06 -0800 | [diff] [blame] | 1142 | } |
| 1143 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1144 | if (adapter->tx_fn(adapter->txrx_vdev, |
Alok Kumar | 4696fb0 | 2018-06-06 00:10:18 +0530 | [diff] [blame] | 1145 | (qdf_nbuf_t)skb) != NULL) { |
Poddar, Siddarth | 31b9b8b | 2017-04-07 12:04:55 +0530 | [diff] [blame] | 1146 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
Sourav Mohapatra | a3cf12a | 2019-08-19 15:40:49 +0530 | [diff] [blame] | 1147 | "%s: Failed to send packet to txrx for sta_id: " |
| 1148 | QDF_MAC_ADDR_STR, |
| 1149 | __func__, QDF_MAC_ADDR_ARRAY(mac_addr->bytes)); |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1150 | ++adapter->hdd_stats.tx_rx_stats.tx_dropped_ac[ac]; |
Himanshu Agarwal | 53298d1 | 2017-02-20 19:14:17 +0530 | [diff] [blame] | 1151 | goto drop_pkt_and_release_skb; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1152 | } |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 1153 | |
Dustin Brown | e0024fa | 2016-10-14 16:29:21 -0700 | [diff] [blame] | 1154 | netif_trans_update(dev); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1155 | |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 1156 | return; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1157 | |
Himanshu Agarwal | 53298d1 | 2017-02-20 19:14:17 +0530 | [diff] [blame] | 1158 | drop_pkt_and_release_skb: |
| 1159 | qdf_net_buf_debug_release_skb(skb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1160 | drop_pkt: |
| 1161 | |
Alok Kumar | 2d35a9e | 2018-08-01 19:41:01 +0530 | [diff] [blame] | 1162 | /* track connectivity stats */ |
| 1163 | if (adapter->pkt_type_bitmap) |
| 1164 | hdd_tx_rx_collect_connectivity_stats_info(skb, adapter, |
| 1165 | PKT_TYPE_TX_DROPPED, |
| 1166 | &pkt_type); |
| 1167 | qdf_dp_trace_data_pkt(skb, QDF_TRACE_DEFAULT_PDEV_ID, |
| 1168 | QDF_DP_TRACE_DROP_PACKET_RECORD, 0, |
| 1169 | QDF_TX); |
| 1170 | kfree_skb(skb); |
Nirav Shah | df3659e | 2016-06-27 12:26:28 +0530 | [diff] [blame] | 1171 | |
| 1172 | drop_pkt_accounting: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1173 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1174 | ++adapter->stats.tx_dropped; |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1175 | ++adapter->hdd_stats.tx_rx_stats.tx_dropped; |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 1176 | if (is_arp) { |
| 1177 | ++adapter->hdd_stats.hdd_arp_stats.tx_dropped; |
| 1178 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| 1179 | "%s : ARP packet dropped", __func__); |
| 1180 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1181 | } |
| 1182 | |
| 1183 | /** |
Mukul Sharma | c4de4ef | 2016-09-12 15:39:00 +0530 | [diff] [blame] | 1184 | * hdd_hard_start_xmit() - Wrapper function to protect |
| 1185 | * __hdd_hard_start_xmit from SSR |
| 1186 | * @skb: pointer to OS packet |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 1187 | * @net_dev: pointer to net_device structure |
Mukul Sharma | c4de4ef | 2016-09-12 15:39:00 +0530 | [diff] [blame] | 1188 | * |
| 1189 | * Function called by OS if any packet needs to transmit. |
| 1190 | * |
| 1191 | * Return: Always returns NETDEV_TX_OK |
| 1192 | */ |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 1193 | netdev_tx_t hdd_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev) |
Mukul Sharma | c4de4ef | 2016-09-12 15:39:00 +0530 | [diff] [blame] | 1194 | { |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 1195 | struct osif_vdev_sync *vdev_sync; |
Mukul Sharma | c4de4ef | 2016-09-12 15:39:00 +0530 | [diff] [blame] | 1196 | |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 1197 | if (osif_vdev_sync_op_start(net_dev, &vdev_sync)) |
| 1198 | return NETDEV_TX_OK; |
Mukul Sharma | c4de4ef | 2016-09-12 15:39:00 +0530 | [diff] [blame] | 1199 | |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 1200 | __hdd_hard_start_xmit(skb, net_dev); |
| 1201 | |
| 1202 | osif_vdev_sync_op_stop(vdev_sync); |
| 1203 | |
| 1204 | return NETDEV_TX_OK; |
Mukul Sharma | c4de4ef | 2016-09-12 15:39:00 +0530 | [diff] [blame] | 1205 | } |
| 1206 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1207 | /** |
| 1208 | * __hdd_tx_timeout() - TX timeout handler |
| 1209 | * @dev: pointer to network device |
| 1210 | * |
| 1211 | * This function is registered as a netdev ndo_tx_timeout method, and |
| 1212 | * is invoked by the kernel if the driver takes too long to transmit a |
| 1213 | * frame. |
| 1214 | * |
| 1215 | * Return: None |
| 1216 | */ |
| 1217 | static void __hdd_tx_timeout(struct net_device *dev) |
| 1218 | { |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 1219 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
Jeff Johnson | a9dc1dc | 2017-08-28 11:37:48 -0700 | [diff] [blame] | 1220 | struct hdd_context *hdd_ctx; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1221 | struct netdev_queue *txq; |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1222 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| 1223 | u64 diff_jiffies; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1224 | int i = 0; |
| 1225 | |
Rakshith Suresh Patkar | 5e1fdee | 2019-04-03 12:07:07 +0530 | [diff] [blame] | 1226 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 1227 | |
| 1228 | if (hdd_ctx->hdd_wlan_suspended) { |
| 1229 | hdd_debug("Device is suspended, ignore WD timeout"); |
| 1230 | return; |
| 1231 | } |
| 1232 | |
Dustin Brown | e0024fa | 2016-10-14 16:29:21 -0700 | [diff] [blame] | 1233 | TX_TIMEOUT_TRACE(dev, QDF_MODULE_ID_HDD_DATA); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1234 | DPTRACE(qdf_dp_trace(NULL, QDF_DP_TRACE_HDD_TX_TIMEOUT, |
Venkata Sharath Chandra Manchala | 0b9fc63 | 2017-05-15 14:35:15 -0700 | [diff] [blame] | 1235 | QDF_TRACE_DEFAULT_PDEV_ID, |
Nirav Shah | 0d58a7e | 2016-04-26 22:54:12 +0530 | [diff] [blame] | 1236 | NULL, 0, QDF_TX)); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1237 | |
| 1238 | /* Getting here implies we disabled the TX queues for too |
| 1239 | * long. Queues are disabled either because of disassociation |
| 1240 | * or low resource scenarios. In case of disassociation it is |
| 1241 | * ok to ignore this. But if associated, we have do possible |
| 1242 | * recovery here |
| 1243 | */ |
| 1244 | |
| 1245 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 1246 | txq = netdev_get_tx_queue(dev, i); |
Rakesh Pillai | 70f1f54 | 2019-09-10 20:26:54 +0530 | [diff] [blame] | 1247 | hdd_debug("Queue: %d status: %d txq->trans_start: %lu", |
| 1248 | i, netif_tx_queue_stopped(txq), txq->trans_start); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1249 | } |
| 1250 | |
Rakesh Pillai | 70f1f54 | 2019-09-10 20:26:54 +0530 | [diff] [blame] | 1251 | hdd_debug("carrier state: %d", netif_carrier_ok(dev)); |
Sravan Kumar Kairam | 887e89e | 2018-11-01 09:30:38 +0530 | [diff] [blame] | 1252 | |
Mohit Khanna | ca4173b | 2017-09-12 21:52:19 -0700 | [diff] [blame] | 1253 | wlan_hdd_display_netif_queue_history(hdd_ctx, |
| 1254 | QDF_STATS_VERBOSITY_LEVEL_HIGH); |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 1255 | cdp_dump_flow_pool_info(cds_get_context(QDF_MODULE_ID_SOC)); |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1256 | |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1257 | ++adapter->hdd_stats.tx_rx_stats.tx_timeout_cnt; |
| 1258 | ++adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt; |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1259 | |
| 1260 | diff_jiffies = jiffies - |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1261 | adapter->hdd_stats.tx_rx_stats.jiffies_last_txtimeout; |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1262 | |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1263 | if ((adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt > 1) && |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1264 | (diff_jiffies > (HDD_TX_TIMEOUT * 2))) { |
| 1265 | /* |
| 1266 | * In case when there is no traffic is running, it may |
| 1267 | * possible tx time-out may once happen and later system |
| 1268 | * recovered then continuous tx timeout count has to be |
| 1269 | * reset as it is gets modified only when traffic is running. |
| 1270 | * If over a period of time if this count reaches to threshold |
| 1271 | * then host triggers a false subsystem restart. In genuine |
| 1272 | * time out case kernel will call the tx time-out back to back |
| 1273 | * at interval of HDD_TX_TIMEOUT. Here now check if previous |
| 1274 | * TX TIME out has occurred more than twice of HDD_TX_TIMEOUT |
| 1275 | * back then host may recovered here from data stall. |
| 1276 | */ |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1277 | adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt = 0; |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1278 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_DEBUG, |
Jeff Johnson | 9a27ffa | 2018-05-06 17:26:57 -0700 | [diff] [blame] | 1279 | "Reset continuous tx timeout stat"); |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1280 | } |
| 1281 | |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1282 | adapter->hdd_stats.tx_rx_stats.jiffies_last_txtimeout = jiffies; |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1283 | |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1284 | if (adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt > |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1285 | HDD_TX_STALL_THRESHOLD) { |
| 1286 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| 1287 | "Data stall due to continuous TX timeouts"); |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1288 | adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt = 0; |
jitiphil | 377bcc1 | 2018-10-05 19:46:08 +0530 | [diff] [blame] | 1289 | if (cdp_cfg_get(soc, cfg_dp_enable_data_stall)) |
Poddar, Siddarth | 3703303 | 2017-10-11 15:47:40 +0530 | [diff] [blame] | 1290 | cdp_post_data_stall_event(soc, |
Sravan Kumar Kairam | 3a69831 | 2017-10-16 14:16:16 +0530 | [diff] [blame] | 1291 | DATA_STALL_LOG_INDICATOR_HOST_DRIVER, |
| 1292 | DATA_STALL_LOG_HOST_STA_TX_TIMEOUT, |
| 1293 | 0xFF, 0xFF, |
| 1294 | DATA_STALL_LOG_RECOVERY_TRIGGER_PDR); |
| 1295 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1296 | } |
| 1297 | |
| 1298 | /** |
| 1299 | * hdd_tx_timeout() - Wrapper function to protect __hdd_tx_timeout from SSR |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 1300 | * @net_dev: pointer to net_device structure |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1301 | * |
| 1302 | * Function called by OS if there is any timeout during transmission. |
| 1303 | * Since HDD simply enqueues packet and returns control to OS right away, |
| 1304 | * this would never be invoked |
| 1305 | * |
| 1306 | * Return: none |
| 1307 | */ |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 1308 | void hdd_tx_timeout(struct net_device *net_dev) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1309 | { |
Dustin Brown | 96b98dd | 2019-03-06 12:39:37 -0800 | [diff] [blame] | 1310 | struct osif_vdev_sync *vdev_sync; |
| 1311 | |
| 1312 | if (osif_vdev_sync_op_start(net_dev, &vdev_sync)) |
| 1313 | return; |
| 1314 | |
| 1315 | __hdd_tx_timeout(net_dev); |
| 1316 | |
| 1317 | osif_vdev_sync_op_stop(vdev_sync); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1318 | } |
| 1319 | |
| 1320 | /** |
| 1321 | * @hdd_init_tx_rx() - Initialize Tx/RX module |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1322 | * @adapter: pointer to adapter context |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1323 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1324 | * Return: QDF_STATUS_E_FAILURE if any errors encountered, |
| 1325 | * QDF_STATUS_SUCCESS otherwise |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1326 | */ |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1327 | QDF_STATUS hdd_init_tx_rx(struct hdd_adapter *adapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1328 | { |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1329 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1330 | |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 1331 | if (!adapter) { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1332 | hdd_err("adapter is NULL"); |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 1333 | QDF_ASSERT(0); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1334 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1335 | } |
| 1336 | |
| 1337 | return status; |
| 1338 | } |
| 1339 | |
| 1340 | /** |
| 1341 | * @hdd_deinit_tx_rx() - Deinitialize Tx/RX module |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1342 | * @adapter: pointer to adapter context |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1343 | * |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1344 | * Return: QDF_STATUS_E_FAILURE if any errors encountered, |
| 1345 | * QDF_STATUS_SUCCESS otherwise |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1346 | */ |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 1347 | QDF_STATUS hdd_deinit_tx_rx(struct hdd_adapter *adapter) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1348 | { |
Dustin Brown | b0b240a | 2018-07-30 14:16:30 -0700 | [diff] [blame] | 1349 | QDF_BUG(adapter); |
| 1350 | if (!adapter) |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 1351 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1352 | |
Dustin Brown | b0b240a | 2018-07-30 14:16:30 -0700 | [diff] [blame] | 1353 | adapter->txrx_vdev = NULL; |
| 1354 | adapter->tx_fn = NULL; |
| 1355 | |
| 1356 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1357 | } |
| 1358 | |
Nirav Shah | 73713f7 | 2018-05-17 14:50:41 +0530 | [diff] [blame] | 1359 | #ifdef FEATURE_MONITOR_MODE_SUPPORT |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1360 | /** |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1361 | * hdd_mon_rx_packet_cbk() - Receive callback registered with OL layer. |
| 1362 | * @context: [in] pointer to qdf context |
| 1363 | * @rxBuf: [in] pointer to rx qdf_nbuf |
| 1364 | * |
| 1365 | * TL will call this to notify the HDD when one or more packets were |
| 1366 | * received for a registered STA. |
| 1367 | * |
| 1368 | * Return: QDF_STATUS_E_FAILURE if any errors encountered, QDF_STATUS_SUCCESS |
| 1369 | * otherwise |
| 1370 | */ |
| 1371 | static QDF_STATUS hdd_mon_rx_packet_cbk(void *context, qdf_nbuf_t rxbuf) |
| 1372 | { |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 1373 | struct hdd_adapter *adapter; |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1374 | int rxstat; |
| 1375 | struct sk_buff *skb; |
| 1376 | struct sk_buff *skb_next; |
| 1377 | unsigned int cpu_index; |
| 1378 | |
| 1379 | /* Sanity check on inputs */ |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 1380 | if ((!context) || (!rxbuf)) { |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1381 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| 1382 | "%s: Null params being passed", __func__); |
| 1383 | return QDF_STATUS_E_FAILURE; |
| 1384 | } |
| 1385 | |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 1386 | adapter = (struct hdd_adapter *)context; |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 1387 | if ((!adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) { |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1388 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
Jeff Johnson | 36e74c4 | 2017-09-18 08:15:42 -0700 | [diff] [blame] | 1389 | "invalid adapter %pK", adapter); |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1390 | return QDF_STATUS_E_FAILURE; |
| 1391 | } |
| 1392 | |
| 1393 | cpu_index = wlan_hdd_get_cpu(); |
| 1394 | |
| 1395 | /* walk the chain until all are processed */ |
| 1396 | skb = (struct sk_buff *) rxbuf; |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 1397 | while (skb) { |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1398 | skb_next = skb->next; |
| 1399 | skb->dev = adapter->dev; |
| 1400 | |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1401 | ++adapter->hdd_stats.tx_rx_stats.rx_packets[cpu_index]; |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1402 | ++adapter->stats.rx_packets; |
| 1403 | adapter->stats.rx_bytes += skb->len; |
| 1404 | |
| 1405 | /* Remove SKB from internal tracking table before submitting |
| 1406 | * it to stack |
| 1407 | */ |
| 1408 | qdf_net_buf_debug_release_skb(skb); |
| 1409 | |
| 1410 | /* |
| 1411 | * If this is not a last packet on the chain |
| 1412 | * Just put packet into backlog queue, not scheduling RX sirq |
| 1413 | */ |
| 1414 | if (skb->next) { |
| 1415 | rxstat = netif_rx(skb); |
| 1416 | } else { |
| 1417 | /* |
| 1418 | * This is the last packet on the chain |
| 1419 | * Scheduling rx sirq |
| 1420 | */ |
| 1421 | rxstat = netif_rx_ni(skb); |
| 1422 | } |
| 1423 | |
| 1424 | if (NET_RX_SUCCESS == rxstat) |
| 1425 | ++adapter-> |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1426 | hdd_stats.tx_rx_stats.rx_delivered[cpu_index]; |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1427 | else |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 1428 | ++adapter->hdd_stats.tx_rx_stats.rx_refused[cpu_index]; |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1429 | |
| 1430 | skb = skb_next; |
| 1431 | } |
| 1432 | |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1433 | return QDF_STATUS_SUCCESS; |
| 1434 | } |
Nirav Shah | 73713f7 | 2018-05-17 14:50:41 +0530 | [diff] [blame] | 1435 | #endif |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 1436 | |
Ravi Joshi | bb8d451 | 2016-08-22 10:14:52 -0700 | [diff] [blame] | 1437 | /* |
| 1438 | * hdd_is_mcast_replay() - checks if pkt is multicast replay |
| 1439 | * @skb: packet skb |
| 1440 | * |
| 1441 | * Return: true if replayed multicast pkt, false otherwise |
| 1442 | */ |
| 1443 | static bool hdd_is_mcast_replay(struct sk_buff *skb) |
| 1444 | { |
| 1445 | struct ethhdr *eth; |
| 1446 | |
| 1447 | eth = eth_hdr(skb); |
| 1448 | if (unlikely(skb->pkt_type == PACKET_MULTICAST)) { |
| 1449 | if (unlikely(ether_addr_equal(eth->h_source, |
| 1450 | skb->dev->dev_addr))) |
| 1451 | return true; |
| 1452 | } |
| 1453 | return false; |
| 1454 | } |
| 1455 | |
Naveen Rawat | f28315c | 2016-06-29 18:06:02 -0700 | [diff] [blame] | 1456 | /** |
Jeff Johnson | dcf84ce | 2017-10-05 09:26:24 -0700 | [diff] [blame] | 1457 | * hdd_is_arp_local() - check if local or non local arp |
| 1458 | * @skb: pointer to sk_buff |
| 1459 | * |
| 1460 | * Return: true if local arp or false otherwise. |
| 1461 | */ |
Sravan Kumar Kairam | 2fc4755 | 2017-01-04 15:27:56 +0530 | [diff] [blame] | 1462 | static bool hdd_is_arp_local(struct sk_buff *skb) |
| 1463 | { |
| 1464 | struct arphdr *arp; |
| 1465 | struct in_ifaddr **ifap = NULL; |
| 1466 | struct in_ifaddr *ifa = NULL; |
| 1467 | struct in_device *in_dev; |
| 1468 | unsigned char *arp_ptr; |
| 1469 | __be32 tip; |
| 1470 | |
| 1471 | arp = (struct arphdr *)skb->data; |
| 1472 | if (arp->ar_op == htons(ARPOP_REQUEST)) { |
| 1473 | in_dev = __in_dev_get_rtnl(skb->dev); |
| 1474 | if (in_dev) { |
| 1475 | for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; |
| 1476 | ifap = &ifa->ifa_next) { |
| 1477 | if (!strcmp(skb->dev->name, ifa->ifa_label)) |
| 1478 | break; |
| 1479 | } |
| 1480 | } |
| 1481 | |
| 1482 | if (ifa && ifa->ifa_local) { |
| 1483 | arp_ptr = (unsigned char *)(arp + 1); |
| 1484 | arp_ptr += (skb->dev->addr_len + 4 + |
| 1485 | skb->dev->addr_len); |
| 1486 | memcpy(&tip, arp_ptr, 4); |
Poddar, Siddarth | b4b7479 | 2017-11-06 14:57:35 +0530 | [diff] [blame] | 1487 | hdd_debug("ARP packet: local IP: %x dest IP: %x", |
Sravan Kumar Kairam | 2fc4755 | 2017-01-04 15:27:56 +0530 | [diff] [blame] | 1488 | ifa->ifa_local, tip); |
Rajeev Kumar | ef3a336 | 2017-05-07 20:11:16 -0700 | [diff] [blame] | 1489 | if (ifa->ifa_local == tip) |
| 1490 | return true; |
Sravan Kumar Kairam | 2fc4755 | 2017-01-04 15:27:56 +0530 | [diff] [blame] | 1491 | } |
| 1492 | } |
| 1493 | |
Rajeev Kumar | ef3a336 | 2017-05-07 20:11:16 -0700 | [diff] [blame] | 1494 | return false; |
Sravan Kumar Kairam | 2fc4755 | 2017-01-04 15:27:56 +0530 | [diff] [blame] | 1495 | } |
| 1496 | |
| 1497 | /** |
Rajeev Kumar | ef3a336 | 2017-05-07 20:11:16 -0700 | [diff] [blame] | 1498 | * hdd_is_rx_wake_lock_needed() - check if wake lock is needed |
| 1499 | * @skb: pointer to sk_buff |
| 1500 | * |
| 1501 | * RX wake lock is needed for: |
| 1502 | * 1) Unicast data packet OR |
| 1503 | * 2) Local ARP data packet |
| 1504 | * |
| 1505 | * Return: true if wake lock is needed or false otherwise. |
| 1506 | */ |
Sravan Kumar Kairam | 2fc4755 | 2017-01-04 15:27:56 +0530 | [diff] [blame] | 1507 | static bool hdd_is_rx_wake_lock_needed(struct sk_buff *skb) |
| 1508 | { |
| 1509 | if ((skb->pkt_type != PACKET_BROADCAST && |
| 1510 | skb->pkt_type != PACKET_MULTICAST) || hdd_is_arp_local(skb)) |
| 1511 | return true; |
| 1512 | |
| 1513 | return false; |
| 1514 | } |
| 1515 | |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1516 | #ifdef RECEIVE_OFFLOAD |
| 1517 | /** |
| 1518 | * hdd_resolve_rx_ol_mode() - Resolve Rx offload method, LRO or GRO |
| 1519 | * @hdd_ctx: pointer to HDD Station Context |
| 1520 | * |
| 1521 | * Return: None |
| 1522 | */ |
| 1523 | static void hdd_resolve_rx_ol_mode(struct hdd_context *hdd_ctx) |
| 1524 | { |
jitiphil | 377bcc1 | 2018-10-05 19:46:08 +0530 | [diff] [blame] | 1525 | void *soc; |
| 1526 | |
| 1527 | soc = cds_get_context(QDF_MODULE_ID_SOC); |
| 1528 | |
| 1529 | if (!(cdp_cfg_get(soc, cfg_dp_lro_enable) ^ |
| 1530 | cdp_cfg_get(soc, cfg_dp_gro_enable))) { |
| 1531 | cdp_cfg_get(soc, cfg_dp_lro_enable) && |
| 1532 | cdp_cfg_get(soc, cfg_dp_gro_enable) ? |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1533 | hdd_err("Can't enable both LRO and GRO, disabling Rx offload") : |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1534 | hdd_info("LRO and GRO both are disabled"); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1535 | hdd_ctx->ol_enable = 0; |
jitiphil | 377bcc1 | 2018-10-05 19:46:08 +0530 | [diff] [blame] | 1536 | } else if (cdp_cfg_get(soc, cfg_dp_lro_enable)) { |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1537 | hdd_debug("Rx offload LRO is enabled"); |
| 1538 | hdd_ctx->ol_enable = CFG_LRO_ENABLED; |
| 1539 | } else { |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1540 | hdd_info("Rx offload: GRO is enabled"); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1541 | hdd_ctx->ol_enable = CFG_GRO_ENABLED; |
| 1542 | } |
| 1543 | } |
| 1544 | |
| 1545 | /** |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1546 | * hdd_gro_rx_bh_disable() - GRO RX/flush function. |
| 1547 | * @napi_to_use: napi to be used to give packets to the stack, gro flush |
| 1548 | * @skb: pointer to sk_buff |
| 1549 | * |
| 1550 | * Function calls napi_gro_receive for the skb. If the skb indicates that a |
| 1551 | * flush needs to be done (set by the lower DP layer), the function also calls |
| 1552 | * napi_gro_flush. Local softirqs are disabled (and later enabled) while making |
| 1553 | * napi_gro__ calls. |
| 1554 | * |
| 1555 | * Return: QDF_STATUS_SUCCESS if not dropped by napi_gro_receive or |
| 1556 | * QDF error code. |
| 1557 | */ |
| 1558 | static QDF_STATUS hdd_gro_rx_bh_disable(struct hdd_adapter *adapter, |
| 1559 | struct napi_struct *napi_to_use, |
| 1560 | struct sk_buff *skb) |
| 1561 | { |
Manjunathappa Prakash | 78b6a88 | 2019-03-28 19:59:23 -0700 | [diff] [blame] | 1562 | QDF_STATUS status = QDF_STATUS_SUCCESS; |
Jinwei Chen | 0dc383e | 2019-08-23 00:43:04 +0800 | [diff] [blame] | 1563 | struct hdd_context *hdd_ctx = adapter->hdd_ctx; |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1564 | gro_result_t gro_res; |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1565 | |
| 1566 | skb_set_hash(skb, QDF_NBUF_CB_RX_FLOW_ID(skb), PKT_HASH_TYPE_L4); |
| 1567 | |
| 1568 | local_bh_disable(); |
| 1569 | gro_res = napi_gro_receive(napi_to_use, skb); |
Jinwei Chen | 0dc383e | 2019-08-23 00:43:04 +0800 | [diff] [blame] | 1570 | |
| 1571 | if (hdd_get_current_throughput_level(hdd_ctx) == PLD_BUS_WIDTH_IDLE) { |
Jinwei Chen | c1dc5c7 | 2019-08-26 16:24:46 +0800 | [diff] [blame] | 1572 | if (gro_res != GRO_DROP && gro_res != GRO_NORMAL) { |
| 1573 | adapter->hdd_stats.tx_rx_stats. |
| 1574 | rx_gro_low_tput_flush++; |
| 1575 | napi_gro_flush(napi_to_use, false); |
| 1576 | } |
Jinwei Chen | 0dc383e | 2019-08-23 00:43:04 +0800 | [diff] [blame] | 1577 | } |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1578 | local_bh_enable(); |
| 1579 | |
Manjunathappa Prakash | 78b6a88 | 2019-03-28 19:59:23 -0700 | [diff] [blame] | 1580 | if (gro_res == GRO_DROP) |
| 1581 | status = QDF_STATUS_E_GRO_DROP; |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1582 | |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1583 | return status; |
| 1584 | } |
| 1585 | |
| 1586 | /** |
| 1587 | * hdd_gro_rx_dp_thread() - Handle Rx procesing via GRO for DP thread |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1588 | * @adapter: pointer to adapter context |
| 1589 | * @skb: pointer to sk_buff |
| 1590 | * |
| 1591 | * Return: QDF_STATUS_SUCCESS if processed via GRO or non zero return code |
| 1592 | */ |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1593 | static |
| 1594 | QDF_STATUS hdd_gro_rx_dp_thread(struct hdd_adapter *adapter, |
| 1595 | struct sk_buff *skb) |
| 1596 | { |
| 1597 | struct napi_struct *napi_to_use = NULL; |
| 1598 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1599 | |
| 1600 | if (!adapter->hdd_ctx->enable_dp_rx_threads) { |
| 1601 | hdd_dp_err_rl("gro not supported without DP RX thread!"); |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1602 | return status; |
| 1603 | } |
| 1604 | |
| 1605 | napi_to_use = |
| 1606 | dp_rx_get_napi_context(cds_get_context(QDF_MODULE_ID_SOC), |
| 1607 | QDF_NBUF_CB_RX_CTX_ID(skb)); |
| 1608 | |
| 1609 | if (!napi_to_use) { |
| 1610 | hdd_dp_err_rl("no napi to use for GRO!"); |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1611 | return status; |
| 1612 | } |
| 1613 | |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1614 | status = hdd_gro_rx_bh_disable(adapter, napi_to_use, skb); |
| 1615 | |
| 1616 | return status; |
| 1617 | } |
| 1618 | |
| 1619 | /** |
| 1620 | * hdd_gro_rx_legacy() - Handle Rx processing via GRO for ihelium based targets |
| 1621 | * @adapter: pointer to adapter context |
| 1622 | * @skb: pointer to sk_buff |
| 1623 | * |
| 1624 | * Supports GRO for only station mode |
| 1625 | * |
| 1626 | * Return: QDF_STATUS_SUCCESS if processed via GRO or non zero return code |
| 1627 | */ |
| 1628 | static |
| 1629 | QDF_STATUS hdd_gro_rx_legacy(struct hdd_adapter *adapter, struct sk_buff *skb) |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1630 | { |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1631 | struct qca_napi_info *qca_napii; |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1632 | struct qca_napi_data *napid; |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1633 | struct napi_struct *napi_to_use; |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1634 | QDF_STATUS status = QDF_STATUS_E_FAILURE; |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1635 | struct hdd_context *hdd_ctx = adapter->hdd_ctx; |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1636 | |
| 1637 | /* Only enabling it for STA mode like LRO today */ |
| 1638 | if (QDF_STA_MODE != adapter->device_mode) |
| 1639 | return QDF_STATUS_E_NOSUPPORT; |
| 1640 | |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1641 | if (qdf_atomic_read(&hdd_ctx->disable_rx_ol_in_low_tput) || |
| 1642 | qdf_atomic_read(&hdd_ctx->disable_rx_ol_in_concurrency)) |
| 1643 | return QDF_STATUS_E_NOSUPPORT; |
| 1644 | |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1645 | napid = hdd_napi_get_all(); |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 1646 | if (unlikely(!napid)) |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1647 | goto out; |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1648 | |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1649 | qca_napii = hif_get_napi(QDF_NBUF_CB_RX_CTX_ID(skb), napid); |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 1650 | if (unlikely(!qca_napii)) |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1651 | goto out; |
| 1652 | |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1653 | /* |
| 1654 | * As we are breaking context in Rxthread mode, there is rx_thread NAPI |
| 1655 | * corresponds each hif_napi. |
| 1656 | */ |
| 1657 | if (adapter->hdd_ctx->enable_rxthread) |
| 1658 | napi_to_use = &qca_napii->rx_thread_napi; |
| 1659 | else |
| 1660 | napi_to_use = &qca_napii->napi; |
| 1661 | |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1662 | status = hdd_gro_rx_bh_disable(adapter, napi_to_use, skb); |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1663 | out: |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1664 | |
| 1665 | return status; |
| 1666 | } |
| 1667 | |
| 1668 | /** |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1669 | * hdd_rxthread_napi_gro_flush() - GRO flush callback for NAPI+Rx_Thread Rx mode |
| 1670 | * @data: hif NAPI context |
| 1671 | * |
| 1672 | * Return: none |
| 1673 | */ |
| 1674 | static void hdd_rxthread_napi_gro_flush(void *data) |
| 1675 | { |
| 1676 | struct qca_napi_info *qca_napii = (struct qca_napi_info *)data; |
| 1677 | |
| 1678 | local_bh_disable(); |
| 1679 | /* |
| 1680 | * As we are breaking context in Rxthread mode, there is rx_thread NAPI |
| 1681 | * corresponds each hif_napi. |
| 1682 | */ |
| 1683 | napi_gro_flush(&qca_napii->rx_thread_napi, false); |
| 1684 | local_bh_enable(); |
| 1685 | } |
| 1686 | |
| 1687 | /** |
| 1688 | * hdd_hif_napi_gro_flush() - GRO flush callback for NAPI Rx mode |
| 1689 | * @data: hif NAPI context |
| 1690 | * |
| 1691 | * Return: none |
| 1692 | */ |
| 1693 | static void hdd_hif_napi_gro_flush(void *data) |
| 1694 | { |
| 1695 | struct qca_napi_info *qca_napii = (struct qca_napi_info *)data; |
| 1696 | |
| 1697 | local_bh_disable(); |
| 1698 | napi_gro_flush(&qca_napii->napi, false); |
| 1699 | local_bh_enable(); |
| 1700 | } |
| 1701 | |
| 1702 | #ifdef FEATURE_LRO |
| 1703 | /** |
| 1704 | * hdd_qdf_lro_flush() - LRO flush wrapper |
| 1705 | * @data: hif NAPI context |
| 1706 | * |
| 1707 | * Return: none |
| 1708 | */ |
| 1709 | static void hdd_qdf_lro_flush(void *data) |
| 1710 | { |
| 1711 | struct qca_napi_info *qca_napii = (struct qca_napi_info *)data; |
| 1712 | qdf_lro_ctx_t qdf_lro_ctx = qca_napii->lro_ctx; |
| 1713 | |
| 1714 | qdf_lro_flush(qdf_lro_ctx); |
| 1715 | } |
| 1716 | #else |
| 1717 | static void hdd_qdf_lro_flush(void *data) |
| 1718 | { |
| 1719 | } |
| 1720 | #endif |
| 1721 | |
| 1722 | /** |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1723 | * hdd_register_rx_ol() - Register LRO/GRO rx processing callbacks |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1724 | * @hdd_ctx: pointer to hdd_ctx |
| 1725 | * @lithium_based_target: whether its a lithium arch based target or not |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1726 | * |
| 1727 | * Return: none |
| 1728 | */ |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1729 | static void hdd_register_rx_ol_cb(struct hdd_context *hdd_ctx, |
| 1730 | bool lithium_based_target) |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1731 | { |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1732 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1733 | |
Amar Singhal | cc5a4ec | 2018-09-04 12:27:51 -0700 | [diff] [blame] | 1734 | if (!hdd_ctx) { |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1735 | hdd_err("HDD context is NULL"); |
Amar Singhal | cc5a4ec | 2018-09-04 12:27:51 -0700 | [diff] [blame] | 1736 | return; |
| 1737 | } |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1738 | |
Manjunathappa Prakash | bfd1276 | 2018-04-29 22:44:52 -0700 | [diff] [blame] | 1739 | hdd_ctx->en_tcp_delack_no_lro = 0; |
| 1740 | |
Alok Kumar | 3dd311d | 2018-08-17 15:12:36 +0530 | [diff] [blame] | 1741 | if (!hdd_is_lro_enabled(hdd_ctx)) { |
Manjunathappa Prakash | fb5f25b | 2018-03-28 20:05:46 -0700 | [diff] [blame] | 1742 | cdp_register_rx_offld_flush_cb(soc, hdd_qdf_lro_flush); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1743 | hdd_ctx->receive_offload_cb = hdd_lro_rx; |
| 1744 | hdd_debug("LRO is enabled"); |
| 1745 | } else if (hdd_ctx->ol_enable == CFG_GRO_ENABLED) { |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1746 | if (lithium_based_target) { |
| 1747 | /* no flush registration needed, it happens in DP thread */ |
| 1748 | hdd_ctx->receive_offload_cb = hdd_gro_rx_dp_thread; |
| 1749 | } else { |
| 1750 | /*ihelium based targets */ |
| 1751 | if (hdd_ctx->enable_rxthread) |
| 1752 | cdp_register_rx_offld_flush_cb(soc, |
| 1753 | hdd_rxthread_napi_gro_flush); |
| 1754 | else |
| 1755 | cdp_register_rx_offld_flush_cb(soc, |
| 1756 | hdd_hif_napi_gro_flush); |
| 1757 | hdd_ctx->receive_offload_cb = hdd_gro_rx_legacy; |
| 1758 | } |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1759 | hdd_debug("GRO is enabled"); |
Manjunathappa Prakash | bfd1276 | 2018-04-29 22:44:52 -0700 | [diff] [blame] | 1760 | } else if (HDD_MSM_CFG(hdd_ctx->config->enable_tcp_delack)) { |
| 1761 | hdd_ctx->en_tcp_delack_no_lro = 1; |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1762 | hdd_debug("TCP Del ACK is enabled"); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1763 | } |
| 1764 | } |
| 1765 | |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1766 | /** |
| 1767 | * hdd_rx_ol_send_config() - Send RX offload configuration to FW |
| 1768 | * @hdd_ctx: pointer to hdd_ctx |
| 1769 | * |
| 1770 | * This function is only used for non lithium targets. Lithium based targets are |
| 1771 | * sending LRO config to FW in vdev attach implemented in cmn DP layer. |
| 1772 | * |
| 1773 | * Return: 0 on success, non zero on failure |
| 1774 | */ |
| 1775 | static int hdd_rx_ol_send_config(struct hdd_context *hdd_ctx) |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1776 | { |
| 1777 | struct cdp_lro_hash_config lro_config = {0}; |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1778 | /* |
| 1779 | * This will enable flow steering and Toeplitz hash |
| 1780 | * So enable it for LRO or GRO processing. |
| 1781 | */ |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1782 | if (cfg_get(hdd_ctx->psoc, CFG_DP_GRO) || |
| 1783 | cfg_get(hdd_ctx->psoc, CFG_DP_LRO)) { |
| 1784 | lro_config.lro_enable = 1; |
| 1785 | lro_config.tcp_flag = TCPHDR_ACK; |
| 1786 | lro_config.tcp_flag_mask = TCPHDR_FIN | TCPHDR_SYN | |
| 1787 | TCPHDR_RST | TCPHDR_ACK | |
| 1788 | TCPHDR_URG | TCPHDR_ECE | |
| 1789 | TCPHDR_CWR; |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1790 | } |
| 1791 | |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1792 | get_random_bytes(lro_config.toeplitz_hash_ipv4, |
| 1793 | (sizeof(lro_config.toeplitz_hash_ipv4[0]) * |
| 1794 | LRO_IPV4_SEED_ARR_SZ)); |
| 1795 | |
| 1796 | get_random_bytes(lro_config.toeplitz_hash_ipv6, |
| 1797 | (sizeof(lro_config.toeplitz_hash_ipv6[0]) * |
| 1798 | LRO_IPV6_SEED_ARR_SZ)); |
| 1799 | |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1800 | if (wma_lro_init(&lro_config)) |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1801 | return -EAGAIN; |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1802 | else |
| 1803 | hdd_dp_info("LRO Config: lro_enable: 0x%x tcp_flag 0x%x tcp_flag_mask 0x%x", |
| 1804 | lro_config.lro_enable, lro_config.tcp_flag, |
| 1805 | lro_config.tcp_flag_mask); |
| 1806 | |
| 1807 | return 0; |
| 1808 | } |
| 1809 | |
| 1810 | int hdd_rx_ol_init(struct hdd_context *hdd_ctx) |
| 1811 | { |
| 1812 | int ret = 0; |
| 1813 | bool lithium_based_target = false; |
| 1814 | |
| 1815 | if (hdd_ctx->target_type == TARGET_TYPE_QCA6290 || |
Manjunathappa Prakash | 458f6fe | 2019-05-13 18:33:01 -0700 | [diff] [blame] | 1816 | hdd_ctx->target_type == TARGET_TYPE_QCA6390 || |
| 1817 | hdd_ctx->target_type == TARGET_TYPE_QCA6490) |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1818 | lithium_based_target = true; |
| 1819 | |
| 1820 | hdd_resolve_rx_ol_mode(hdd_ctx); |
| 1821 | hdd_register_rx_ol_cb(hdd_ctx, lithium_based_target); |
| 1822 | |
| 1823 | if (!lithium_based_target) { |
| 1824 | ret = hdd_rx_ol_send_config(hdd_ctx); |
| 1825 | if (ret) { |
| 1826 | hdd_ctx->ol_enable = 0; |
| 1827 | hdd_err("Failed to send LRO/GRO configuration! %u", ret); |
| 1828 | return ret; |
| 1829 | } |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1830 | } |
| 1831 | |
| 1832 | return 0; |
| 1833 | } |
| 1834 | |
| 1835 | void hdd_disable_rx_ol_in_concurrency(bool disable) |
| 1836 | { |
| 1837 | struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| 1838 | |
| 1839 | if (!hdd_ctx) { |
| 1840 | hdd_err("hdd_ctx is NULL"); |
| 1841 | return; |
| 1842 | } |
| 1843 | |
| 1844 | if (disable) { |
Manjunathappa Prakash | bfd1276 | 2018-04-29 22:44:52 -0700 | [diff] [blame] | 1845 | if (HDD_MSM_CFG(hdd_ctx->config->enable_tcp_delack)) { |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1846 | struct wlan_rx_tp_data rx_tp_data; |
| 1847 | |
| 1848 | hdd_info("Enable TCP delack as LRO disabled in concurrency"); |
| 1849 | rx_tp_data.rx_tp_flags = TCP_DEL_ACK_IND; |
| 1850 | rx_tp_data.level = GET_CUR_RX_LVL(hdd_ctx); |
Alok Kumar | 2fad644 | 2018-11-08 19:19:28 +0530 | [diff] [blame] | 1851 | wlan_hdd_update_tcp_rx_param(hdd_ctx, &rx_tp_data); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1852 | hdd_ctx->en_tcp_delack_no_lro = 1; |
| 1853 | } |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1854 | qdf_atomic_set(&hdd_ctx->disable_rx_ol_in_concurrency, 1); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1855 | } else { |
Manjunathappa Prakash | bfd1276 | 2018-04-29 22:44:52 -0700 | [diff] [blame] | 1856 | if (HDD_MSM_CFG(hdd_ctx->config->enable_tcp_delack)) { |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1857 | hdd_info("Disable TCP delack as LRO is enabled"); |
| 1858 | hdd_ctx->en_tcp_delack_no_lro = 0; |
| 1859 | hdd_reset_tcp_delack(hdd_ctx); |
| 1860 | } |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1861 | qdf_atomic_set(&hdd_ctx->disable_rx_ol_in_concurrency, 0); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1862 | } |
| 1863 | } |
| 1864 | |
| 1865 | void hdd_disable_rx_ol_for_low_tput(struct hdd_context *hdd_ctx, bool disable) |
| 1866 | { |
| 1867 | if (disable) |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1868 | qdf_atomic_set(&hdd_ctx->disable_rx_ol_in_low_tput, 1); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1869 | else |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1870 | qdf_atomic_set(&hdd_ctx->disable_rx_ol_in_low_tput, 0); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1871 | } |
| 1872 | |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1873 | #else /* RECEIVE_OFFLOAD */ |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 1874 | int hdd_rx_ol_init(struct hdd_context *hdd_ctx) |
| 1875 | { |
| 1876 | hdd_err("Rx_OL, LRO/GRO not supported"); |
| 1877 | return -EPERM; |
| 1878 | } |
| 1879 | |
| 1880 | void hdd_disable_rx_ol_in_concurrency(bool disable) |
| 1881 | { |
| 1882 | } |
| 1883 | |
| 1884 | void hdd_disable_rx_ol_for_low_tput(struct hdd_context *hdd_ctx, bool disable) |
| 1885 | { |
| 1886 | } |
| 1887 | #endif /* RECEIVE_OFFLOAD */ |
| 1888 | |
Yu Wang | 66a250b | 2017-07-19 11:46:40 +0800 | [diff] [blame] | 1889 | #ifdef WLAN_FEATURE_TSF_PLUS |
| 1890 | static inline void hdd_tsf_timestamp_rx(struct hdd_context *hdd_ctx, |
| 1891 | qdf_nbuf_t netbuf, |
| 1892 | uint64_t target_time) |
| 1893 | { |
yuanl | 2746f07 | 2018-09-21 19:19:16 +0800 | [diff] [blame] | 1894 | if (!hdd_tsf_is_rx_set(hdd_ctx)) |
Yu Wang | 66a250b | 2017-07-19 11:46:40 +0800 | [diff] [blame] | 1895 | return; |
| 1896 | |
| 1897 | hdd_rx_timestamp(netbuf, target_time); |
| 1898 | } |
| 1899 | #else |
| 1900 | static inline void hdd_tsf_timestamp_rx(struct hdd_context *hdd_ctx, |
| 1901 | qdf_nbuf_t netbuf, |
| 1902 | uint64_t target_time) |
| 1903 | { |
| 1904 | } |
| 1905 | #endif |
| 1906 | |
Mohit Khanna | f0620ce | 2019-07-28 21:31:05 -0700 | [diff] [blame] | 1907 | QDF_STATUS hdd_rx_thread_gro_flush_ind_cbk(void *adapter, int rx_ctx_id) |
| 1908 | { |
Jinwei Chen | b681a48 | 2019-08-14 15:24:06 +0800 | [diff] [blame] | 1909 | struct hdd_adapter *hdd_adapter = adapter; |
| 1910 | |
| 1911 | if (qdf_unlikely((!hdd_adapter) || (!hdd_adapter->hdd_ctx))) { |
Mohit Khanna | f0620ce | 2019-07-28 21:31:05 -0700 | [diff] [blame] | 1912 | hdd_err("Null params being passed"); |
| 1913 | return QDF_STATUS_E_FAILURE; |
| 1914 | } |
Jinwei Chen | b681a48 | 2019-08-14 15:24:06 +0800 | [diff] [blame] | 1915 | |
Jinwei Chen | 0dc383e | 2019-08-23 00:43:04 +0800 | [diff] [blame] | 1916 | if (hdd_is_low_tput_gro_enable(hdd_adapter->hdd_ctx)) { |
Jinwei Chen | b681a48 | 2019-08-14 15:24:06 +0800 | [diff] [blame] | 1917 | hdd_adapter->hdd_stats.tx_rx_stats.rx_gro_flush_skip++; |
| 1918 | return QDF_STATUS_SUCCESS; |
| 1919 | } |
| 1920 | |
Mohit Khanna | f0620ce | 2019-07-28 21:31:05 -0700 | [diff] [blame] | 1921 | return dp_rx_gro_flush_ind(cds_get_context(QDF_MODULE_ID_SOC), |
| 1922 | rx_ctx_id); |
| 1923 | } |
| 1924 | |
Mohit Khanna | 7032200 | 2018-05-15 19:21:32 -0700 | [diff] [blame] | 1925 | QDF_STATUS hdd_rx_pkt_thread_enqueue_cbk(void *adapter, |
Srinivas Girigowda | a19eafd | 2018-09-07 15:28:21 -0700 | [diff] [blame] | 1926 | qdf_nbuf_t nbuf_list) |
| 1927 | { |
Rakshith Suresh Patkar | 68ed495 | 2019-08-29 15:40:18 +0530 | [diff] [blame] | 1928 | struct hdd_adapter *hdd_adapter; |
| 1929 | uint8_t vdev_id; |
| 1930 | qdf_nbuf_t head_ptr; |
| 1931 | |
Mohit Khanna | f0620ce | 2019-07-28 21:31:05 -0700 | [diff] [blame] | 1932 | if (qdf_unlikely(!adapter || !nbuf_list)) { |
Mohit Khanna | 7032200 | 2018-05-15 19:21:32 -0700 | [diff] [blame] | 1933 | hdd_err("Null params being passed"); |
| 1934 | return QDF_STATUS_E_FAILURE; |
| 1935 | } |
Rakshith Suresh Patkar | 68ed495 | 2019-08-29 15:40:18 +0530 | [diff] [blame] | 1936 | |
| 1937 | hdd_adapter = (struct hdd_adapter *)adapter; |
| 1938 | if (hdd_validate_adapter(hdd_adapter)) |
| 1939 | return QDF_STATUS_E_FAILURE; |
| 1940 | |
| 1941 | vdev_id = hdd_adapter->vdev_id; |
| 1942 | head_ptr = nbuf_list; |
| 1943 | while (head_ptr) { |
| 1944 | qdf_nbuf_cb_update_vdev_id(head_ptr, vdev_id); |
| 1945 | head_ptr = qdf_nbuf_next(head_ptr); |
| 1946 | } |
| 1947 | |
Mohit Khanna | 7032200 | 2018-05-15 19:21:32 -0700 | [diff] [blame] | 1948 | return dp_rx_enqueue_pkt(cds_get_context(QDF_MODULE_ID_SOC), nbuf_list); |
| 1949 | } |
| 1950 | |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1951 | QDF_STATUS hdd_rx_deliver_to_stack(struct hdd_adapter *adapter, |
| 1952 | struct sk_buff *skb) |
| 1953 | { |
| 1954 | struct hdd_context *hdd_ctx = adapter->hdd_ctx; |
| 1955 | int status = QDF_STATUS_E_FAILURE; |
| 1956 | int netif_status; |
| 1957 | bool skb_receive_offload_ok = false; |
| 1958 | |
| 1959 | if (QDF_NBUF_CB_RX_TCP_PROTO(skb) && |
| 1960 | !QDF_NBUF_CB_RX_PEER_CACHED_FRM(skb)) |
| 1961 | skb_receive_offload_ok = true; |
| 1962 | |
Manjunathappa Prakash | 78b6a88 | 2019-03-28 19:59:23 -0700 | [diff] [blame] | 1963 | if (skb_receive_offload_ok && hdd_ctx->receive_offload_cb) { |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1964 | status = hdd_ctx->receive_offload_cb(adapter, skb); |
| 1965 | |
Manjunathappa Prakash | 78b6a88 | 2019-03-28 19:59:23 -0700 | [diff] [blame] | 1966 | if (QDF_IS_STATUS_SUCCESS(status)) { |
| 1967 | adapter->hdd_stats.tx_rx_stats.rx_aggregated++; |
| 1968 | return status; |
| 1969 | } |
| 1970 | |
| 1971 | if (status == QDF_STATUS_E_GRO_DROP) { |
| 1972 | adapter->hdd_stats.tx_rx_stats.rx_gro_dropped++; |
| 1973 | return status; |
| 1974 | } |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 1975 | } |
| 1976 | |
| 1977 | adapter->hdd_stats.tx_rx_stats.rx_non_aggregated++; |
| 1978 | |
| 1979 | /* Account for GRO/LRO ineligible packets, mostly UDP */ |
| 1980 | hdd_ctx->no_rx_offload_pkt_cnt++; |
| 1981 | |
| 1982 | if (qdf_likely(hdd_ctx->enable_dp_rx_threads || |
| 1983 | hdd_ctx->enable_rxthread)) { |
| 1984 | local_bh_disable(); |
| 1985 | netif_status = netif_receive_skb(skb); |
| 1986 | local_bh_enable(); |
| 1987 | } else if (qdf_unlikely(QDF_NBUF_CB_RX_PEER_CACHED_FRM(skb))) { |
| 1988 | /* |
| 1989 | * Frames before peer is registered to avoid contention with |
| 1990 | * NAPI softirq. |
| 1991 | * Refer fix: |
| 1992 | * qcacld-3.0: Do netif_rx_ni() for frames received before |
| 1993 | * peer assoc |
| 1994 | */ |
| 1995 | netif_status = netif_rx_ni(skb); |
| 1996 | } else { /* NAPI Context */ |
| 1997 | netif_status = netif_receive_skb(skb); |
| 1998 | } |
| 1999 | |
| 2000 | if (netif_status == NET_RX_SUCCESS) |
| 2001 | status = QDF_STATUS_SUCCESS; |
| 2002 | |
| 2003 | return status; |
| 2004 | } |
| 2005 | |
Yeshwanth Sriram Guntuka | 7f445f4 | 2019-01-30 17:01:35 +0530 | [diff] [blame] | 2006 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0)) |
| 2007 | static bool hdd_is_gratuitous_arp_unsolicited_na(struct sk_buff *skb) |
| 2008 | { |
| 2009 | return false; |
| 2010 | } |
| 2011 | #else |
| 2012 | static bool hdd_is_gratuitous_arp_unsolicited_na(struct sk_buff *skb) |
| 2013 | { |
| 2014 | return cfg80211_is_gratuitous_arp_unsolicited_na(skb); |
| 2015 | } |
| 2016 | #endif |
| 2017 | |
Rakesh Pillai | 246f1df | 2019-10-24 06:40:20 +0530 | [diff] [blame^] | 2018 | QDF_STATUS hdd_rx_flush_packet_cbk(void *adapter_context, uint8_t vdev_id) |
| 2019 | { |
| 2020 | struct hdd_adapter *adapter = NULL; |
| 2021 | struct hdd_context *hdd_ctx = NULL; |
| 2022 | ol_txrx_soc_handle soc = cds_get_context(QDF_MODULE_ID_SOC); |
| 2023 | |
| 2024 | /* Sanity check on inputs */ |
| 2025 | if (unlikely(!adapter_context)) { |
| 2026 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| 2027 | "%s: Null params being passed", __func__); |
| 2028 | return QDF_STATUS_E_FAILURE; |
| 2029 | } |
| 2030 | |
| 2031 | adapter = (struct hdd_adapter *)adapter_context; |
| 2032 | if (unlikely(adapter->magic != WLAN_HDD_ADAPTER_MAGIC)) { |
| 2033 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| 2034 | "Magic cookie(%x) for adapter sanity verification is invalid", |
| 2035 | adapter->magic); |
| 2036 | return QDF_STATUS_E_FAILURE; |
| 2037 | } |
| 2038 | |
| 2039 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| 2040 | if (unlikely(!hdd_ctx)) { |
| 2041 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| 2042 | "%s: HDD context is Null", __func__); |
| 2043 | return QDF_STATUS_E_FAILURE; |
| 2044 | } |
| 2045 | |
| 2046 | if (hdd_ctx->enable_dp_rx_threads) |
| 2047 | dp_txrx_flush_pkts_by_vdev_id(soc, vdev_id); |
| 2048 | |
| 2049 | return QDF_STATUS_SUCCESS; |
| 2050 | } |
| 2051 | |
Mohit Khanna | 7032200 | 2018-05-15 19:21:32 -0700 | [diff] [blame] | 2052 | QDF_STATUS hdd_rx_packet_cbk(void *adapter_context, |
| 2053 | qdf_nbuf_t rxBuf) |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2054 | { |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 2055 | struct hdd_adapter *adapter = NULL; |
Jeff Johnson | cc01197 | 2017-09-03 09:26:36 -0700 | [diff] [blame] | 2056 | struct hdd_context *hdd_ctx = NULL; |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 2057 | QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2058 | struct sk_buff *skb = NULL; |
Dhanashri Atre | cefa880 | 2017-02-02 16:17:14 -0800 | [diff] [blame] | 2059 | struct sk_buff *next = NULL; |
Jeff Johnson | d377dce | 2017-10-04 10:32:42 -0700 | [diff] [blame] | 2060 | struct hdd_station_ctx *sta_ctx = NULL; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2061 | unsigned int cpu_index; |
hangtian | a7938f8 | 2019-01-07 16:35:49 +0800 | [diff] [blame] | 2062 | struct qdf_mac_addr *mac_addr, *dest_mac_addr; |
Sravan Kumar Kairam | 2fc4755 | 2017-01-04 15:27:56 +0530 | [diff] [blame] | 2063 | bool wake_lock = false; |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 2064 | uint8_t pkt_type = 0; |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 2065 | bool track_arp = false; |
Bala Venkatesh | f286790 | 2019-03-08 15:01:23 +0530 | [diff] [blame] | 2066 | struct wlan_objmgr_vdev *vdev; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2067 | |
| 2068 | /* Sanity check on inputs */ |
Mohit Khanna | 7032200 | 2018-05-15 19:21:32 -0700 | [diff] [blame] | 2069 | if (unlikely((!adapter_context) || (!rxBuf))) { |
Anurag Chouhan | b2dc16f | 2016-02-25 11:47:37 +0530 | [diff] [blame] | 2070 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2071 | "%s: Null params being passed", __func__); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2072 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2073 | } |
| 2074 | |
Mohit Khanna | 7032200 | 2018-05-15 19:21:32 -0700 | [diff] [blame] | 2075 | adapter = (struct hdd_adapter *)adapter_context; |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 2076 | if (unlikely(WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) { |
Srinivas Girigowda | 028c448 | 2017-03-09 18:52:02 -0800 | [diff] [blame] | 2077 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2078 | "Magic cookie(%x) for adapter sanity verification is invalid", |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 2079 | adapter->magic); |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2080 | return QDF_STATUS_E_FAILURE; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2081 | } |
| 2082 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 2083 | hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
Jeff Johnson | d36fa33 | 2019-03-18 13:42:25 -0700 | [diff] [blame] | 2084 | if (unlikely(!hdd_ctx)) { |
Dhanashri Atre | 182b027 | 2016-02-17 15:35:07 -0800 | [diff] [blame] | 2085 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| 2086 | "%s: HDD context is Null", __func__); |
| 2087 | return QDF_STATUS_E_FAILURE; |
| 2088 | } |
| 2089 | |
| 2090 | cpu_index = wlan_hdd_get_cpu(); |
| 2091 | |
Dhanashri Atre | cefa880 | 2017-02-02 16:17:14 -0800 | [diff] [blame] | 2092 | next = (struct sk_buff *)rxBuf; |
Dhanashri Atre | 182b027 | 2016-02-17 15:35:07 -0800 | [diff] [blame] | 2093 | |
Dhanashri Atre | cefa880 | 2017-02-02 16:17:14 -0800 | [diff] [blame] | 2094 | while (next) { |
| 2095 | skb = next; |
| 2096 | next = skb->next; |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2097 | skb->next = NULL; |
Dhanashri Atre | cefa880 | 2017-02-02 16:17:14 -0800 | [diff] [blame] | 2098 | |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 2099 | if (QDF_NBUF_CB_PACKET_TYPE_ARP == |
| 2100 | QDF_NBUF_CB_GET_PACKET_TYPE(skb)) { |
| 2101 | if (qdf_nbuf_data_is_arp_rsp(skb) && |
Alok Kumar | b94a2e7 | 2019-03-11 19:47:15 +0530 | [diff] [blame] | 2102 | (adapter->track_arp_ip == |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 2103 | qdf_nbuf_get_arp_src_ip(skb))) { |
| 2104 | ++adapter->hdd_stats.hdd_arp_stats. |
| 2105 | rx_arp_rsp_count; |
| 2106 | QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
Jingxiang Ge | 13b8705 | 2019-09-03 15:58:49 +0800 | [diff] [blame] | 2107 | QDF_TRACE_LEVEL_DEBUG, |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 2108 | "%s: ARP packet received", |
| 2109 | __func__); |
| 2110 | track_arp = true; |
| 2111 | } |
| 2112 | } |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 2113 | /* track connectivity stats */ |
| 2114 | if (adapter->pkt_type_bitmap) |
| 2115 | hdd_tx_rx_collect_connectivity_stats_info(skb, adapter, |
| 2116 | PKT_TYPE_RSP, &pkt_type); |
Dhanashri Atre | cefa880 | 2017-02-02 16:17:14 -0800 | [diff] [blame] | 2117 | |
Jeff Johnson | d377dce | 2017-10-04 10:32:42 -0700 | [diff] [blame] | 2118 | sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
Jeff Johnson | ac5170c | 2019-02-27 10:55:24 -0800 | [diff] [blame] | 2119 | if ((sta_ctx->conn_info.proxy_arp_service) && |
Yeshwanth Sriram Guntuka | 7f445f4 | 2019-01-30 17:01:35 +0530 | [diff] [blame] | 2120 | hdd_is_gratuitous_arp_unsolicited_na(skb)) { |
Manjunathappa Prakash | f39d237 | 2019-02-25 18:18:57 -0800 | [diff] [blame] | 2121 | qdf_atomic_inc(&adapter->hdd_stats.tx_rx_stats. |
| 2122 | rx_usolict_arp_n_mcast_drp); |
| 2123 | /* Remove SKB from internal tracking table before |
| 2124 | * submitting it to stack. |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2125 | */ |
| 2126 | qdf_nbuf_free(skb); |
Dhanashri Atre | cefa880 | 2017-02-02 16:17:14 -0800 | [diff] [blame] | 2127 | continue; |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2128 | } |
| 2129 | |
| 2130 | hdd_event_eapol_log(skb, QDF_RX); |
Jeff Johnson | 1abc566 | 2019-02-04 14:27:02 -0800 | [diff] [blame] | 2131 | qdf_dp_trace_log_pkt(adapter->vdev_id, skb, QDF_RX, |
Mohit Khanna | 02281da | 2017-08-27 09:40:55 -0700 | [diff] [blame] | 2132 | QDF_TRACE_DEFAULT_PDEV_ID); |
Mohit Khanna | f8f9682 | 2017-05-17 17:11:59 -0700 | [diff] [blame] | 2133 | |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2134 | DPTRACE(qdf_dp_trace(skb, |
| 2135 | QDF_DP_TRACE_RX_HDD_PACKET_PTR_RECORD, |
Venkata Sharath Chandra Manchala | 0b9fc63 | 2017-05-15 14:35:15 -0700 | [diff] [blame] | 2136 | QDF_TRACE_DEFAULT_PDEV_ID, |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2137 | qdf_nbuf_data_addr(skb), |
| 2138 | sizeof(qdf_nbuf_data(skb)), QDF_RX)); |
Mohit Khanna | f8f9682 | 2017-05-17 17:11:59 -0700 | [diff] [blame] | 2139 | |
Mohit Khanna | 02281da | 2017-08-27 09:40:55 -0700 | [diff] [blame] | 2140 | DPTRACE(qdf_dp_trace_data_pkt(skb, QDF_TRACE_DEFAULT_PDEV_ID, |
| 2141 | QDF_DP_TRACE_RX_PACKET_RECORD, |
| 2142 | 0, QDF_RX)); |
| 2143 | |
hangtian | a7938f8 | 2019-01-07 16:35:49 +0800 | [diff] [blame] | 2144 | dest_mac_addr = (struct qdf_mac_addr *)(skb->data); |
Kabilan Kannan | 1c1c402 | 2017-04-06 22:49:26 -0700 | [diff] [blame] | 2145 | mac_addr = (struct qdf_mac_addr *)(skb->data+QDF_MAC_ADDR_SIZE); |
| 2146 | |
Bala Venkatesh | f286790 | 2019-03-08 15:01:23 +0530 | [diff] [blame] | 2147 | if (!hdd_is_current_high_throughput(hdd_ctx)) { |
| 2148 | vdev = hdd_objmgr_get_vdev(adapter); |
| 2149 | if (vdev) { |
| 2150 | ucfg_tdls_update_rx_pkt_cnt(vdev, mac_addr, |
| 2151 | dest_mac_addr); |
| 2152 | hdd_objmgr_put_vdev(vdev); |
| 2153 | } |
| 2154 | } |
Kabilan Kannan | 1c1c402 | 2017-04-06 22:49:26 -0700 | [diff] [blame] | 2155 | |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 2156 | skb->dev = adapter->dev; |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2157 | skb->protocol = eth_type_trans(skb, skb->dev); |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 2158 | ++adapter->hdd_stats.tx_rx_stats.rx_packets[cpu_index]; |
Jeff Johnson | 8048686 | 2017-10-02 13:21:29 -0700 | [diff] [blame] | 2159 | ++adapter->stats.rx_packets; |
| 2160 | adapter->stats.rx_bytes += skb->len; |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2161 | |
Alok Kumar | b64650c | 2018-03-23 17:05:11 +0530 | [diff] [blame] | 2162 | /* Incr GW Rx count for NUD tracking based on GW mac addr */ |
| 2163 | hdd_nud_incr_gw_rx_pkt_cnt(adapter, mac_addr); |
| 2164 | |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2165 | /* Check & drop replayed mcast packets (for IPV6) */ |
Jeff Johnson | cc01197 | 2017-09-03 09:26:36 -0700 | [diff] [blame] | 2166 | if (hdd_ctx->config->multicast_replay_filter && |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2167 | hdd_is_mcast_replay(skb)) { |
Manjunathappa Prakash | f39d237 | 2019-02-25 18:18:57 -0800 | [diff] [blame] | 2168 | qdf_atomic_inc(&adapter->hdd_stats.tx_rx_stats. |
| 2169 | rx_usolict_arp_n_mcast_drp); |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2170 | qdf_nbuf_free(skb); |
Dhanashri Atre | cefa880 | 2017-02-02 16:17:14 -0800 | [diff] [blame] | 2171 | continue; |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2172 | } |
| 2173 | |
| 2174 | /* hold configurable wakelock for unicast traffic */ |
hangtian | 2b9856f | 2019-01-25 11:50:39 +0800 | [diff] [blame] | 2175 | if (!hdd_is_current_high_throughput(hdd_ctx) && |
| 2176 | hdd_ctx->config->rx_wakelock_timeout && |
Jeff Johnson | 457c242 | 2019-02-27 13:56:04 -0800 | [diff] [blame] | 2177 | sta_ctx->conn_info.is_authenticated) |
Sravan Kumar Kairam | 2fc4755 | 2017-01-04 15:27:56 +0530 | [diff] [blame] | 2178 | wake_lock = hdd_is_rx_wake_lock_needed(skb); |
| 2179 | |
| 2180 | if (wake_lock) { |
Jeff Johnson | cc01197 | 2017-09-03 09:26:36 -0700 | [diff] [blame] | 2181 | cds_host_diag_log_work(&hdd_ctx->rx_wake_lock, |
| 2182 | hdd_ctx->config->rx_wakelock_timeout, |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2183 | WIFI_POWER_EVENT_WAKELOCK_HOLD_RX); |
Jeff Johnson | cc01197 | 2017-09-03 09:26:36 -0700 | [diff] [blame] | 2184 | qdf_wake_lock_timeout_acquire(&hdd_ctx->rx_wake_lock, |
| 2185 | hdd_ctx->config-> |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2186 | rx_wakelock_timeout); |
| 2187 | } |
| 2188 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2189 | /* Remove SKB from internal tracking table before submitting |
| 2190 | * it to stack |
| 2191 | */ |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2192 | qdf_net_buf_debug_release_skb(skb); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2193 | |
Yu Wang | 66a250b | 2017-07-19 11:46:40 +0800 | [diff] [blame] | 2194 | hdd_tsf_timestamp_rx(hdd_ctx, skb, ktime_to_us(skb->tstamp)); |
| 2195 | |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 2196 | qdf_status = hdd_rx_deliver_to_stack(adapter, skb); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 2197 | |
Mohit Khanna | 8141877 | 2018-10-30 14:14:46 -0700 | [diff] [blame] | 2198 | if (QDF_IS_STATUS_SUCCESS(qdf_status)) { |
Jeff Johnson | 6ced42c | 2017-10-20 12:48:11 -0700 | [diff] [blame] | 2199 | ++adapter->hdd_stats.tx_rx_stats. |
Sravan Kumar Kairam | c1ae71c | 2017-02-24 12:27:27 +0530 | [diff] [blame] | 2200 | rx_delivered[cpu_index]; |
| 2201 | if (track_arp) |
| 2202 | ++adapter->hdd_stats.hdd_arp_stats. |
Poddar, Siddarth | 31797fa | 2018-01-22 17:24:15 +0530 | [diff] [blame] | 2203 | rx_delivered; |
| 2204 | /* track connectivity stats */ |
| 2205 | if (adapter->pkt_type_bitmap) |
| 2206 | hdd_tx_rx_collect_connectivity_stats_info( |
| 2207 | skb, adapter, |
| 2208 | PKT_TYPE_RX_DELIVERED, &pkt_type); |
Manjunathappa Prakash | 7b0ad46 | 2018-04-15 00:37:16 -0700 | [diff] [blame] | 2209 | } else { |
| 2210 | ++adapter->hdd_stats.tx_rx_stats.rx_refused[cpu_index]; |
| 2211 | if (track_arp) |
| 2212 | ++adapter->hdd_stats.hdd_arp_stats.rx_refused; |
| 2213 | |
| 2214 | /* track connectivity stats */ |
| 2215 | if (adapter->pkt_type_bitmap) |
| 2216 | hdd_tx_rx_collect_connectivity_stats_info( |
| 2217 | skb, adapter, |
| 2218 | PKT_TYPE_RX_REFUSED, &pkt_type); |
| 2219 | |
Dhanashri Atre | 63d9802 | 2017-01-24 18:22:09 -0800 | [diff] [blame] | 2220 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2221 | } |
Dhanashri Atre | cefa880 | 2017-02-02 16:17:14 -0800 | [diff] [blame] | 2222 | |
Anurag Chouhan | fb54ab0 | 2016-02-18 18:00:46 +0530 | [diff] [blame] | 2223 | return QDF_STATUS_SUCCESS; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2224 | } |
| 2225 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2226 | /** |
| 2227 | * hdd_reason_type_to_string() - return string conversion of reason type |
| 2228 | * @reason: reason type |
| 2229 | * |
| 2230 | * This utility function helps log string conversion of reason type. |
| 2231 | * |
| 2232 | * Return: string conversion of device mode, if match found; |
| 2233 | * "Unknown" otherwise. |
| 2234 | */ |
| 2235 | const char *hdd_reason_type_to_string(enum netif_reason_type reason) |
| 2236 | { |
| 2237 | switch (reason) { |
| 2238 | CASE_RETURN_STRING(WLAN_CONTROL_PATH); |
| 2239 | CASE_RETURN_STRING(WLAN_DATA_FLOW_CONTROL); |
| 2240 | CASE_RETURN_STRING(WLAN_FW_PAUSE); |
| 2241 | CASE_RETURN_STRING(WLAN_TX_ABORT); |
| 2242 | CASE_RETURN_STRING(WLAN_VDEV_STOP); |
| 2243 | CASE_RETURN_STRING(WLAN_PEER_UNAUTHORISED); |
| 2244 | CASE_RETURN_STRING(WLAN_THERMAL_MITIGATION); |
Rakesh Pillai | 3e534db | 2017-09-26 18:59:43 +0530 | [diff] [blame] | 2245 | CASE_RETURN_STRING(WLAN_DATA_FLOW_CONTROL_PRIORITY); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2246 | default: |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2247 | return "Invalid"; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2248 | } |
| 2249 | } |
| 2250 | |
| 2251 | /** |
| 2252 | * hdd_action_type_to_string() - return string conversion of action type |
| 2253 | * @action: action type |
| 2254 | * |
| 2255 | * This utility function helps log string conversion of action_type. |
| 2256 | * |
| 2257 | * Return: string conversion of device mode, if match found; |
| 2258 | * "Unknown" otherwise. |
| 2259 | */ |
| 2260 | const char *hdd_action_type_to_string(enum netif_action_type action) |
| 2261 | { |
| 2262 | |
| 2263 | switch (action) { |
| 2264 | CASE_RETURN_STRING(WLAN_STOP_ALL_NETIF_QUEUE); |
| 2265 | CASE_RETURN_STRING(WLAN_START_ALL_NETIF_QUEUE); |
| 2266 | CASE_RETURN_STRING(WLAN_WAKE_ALL_NETIF_QUEUE); |
| 2267 | CASE_RETURN_STRING(WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER); |
| 2268 | CASE_RETURN_STRING(WLAN_START_ALL_NETIF_QUEUE_N_CARRIER); |
Rakesh Pillai | 3e534db | 2017-09-26 18:59:43 +0530 | [diff] [blame] | 2269 | CASE_RETURN_STRING(WLAN_NETIF_TX_DISABLE); |
| 2270 | CASE_RETURN_STRING(WLAN_NETIF_TX_DISABLE_N_CARRIER); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2271 | CASE_RETURN_STRING(WLAN_NETIF_CARRIER_ON); |
| 2272 | CASE_RETURN_STRING(WLAN_NETIF_CARRIER_OFF); |
Rakesh Pillai | 3e534db | 2017-09-26 18:59:43 +0530 | [diff] [blame] | 2273 | CASE_RETURN_STRING(WLAN_NETIF_PRIORITY_QUEUE_ON); |
| 2274 | CASE_RETURN_STRING(WLAN_NETIF_PRIORITY_QUEUE_OFF); |
chenguo | b795b83 | 2018-10-12 15:23:51 +0800 | [diff] [blame] | 2275 | CASE_RETURN_STRING(WLAN_NETIF_VO_QUEUE_ON); |
| 2276 | CASE_RETURN_STRING(WLAN_NETIF_VO_QUEUE_OFF); |
| 2277 | CASE_RETURN_STRING(WLAN_NETIF_VI_QUEUE_ON); |
| 2278 | CASE_RETURN_STRING(WLAN_NETIF_VI_QUEUE_OFF); |
| 2279 | CASE_RETURN_STRING(WLAN_NETIF_BE_BK_QUEUE_OFF); |
Rakesh Pillai | 3e534db | 2017-09-26 18:59:43 +0530 | [diff] [blame] | 2280 | CASE_RETURN_STRING(WLAN_WAKE_NON_PRIORITY_QUEUE); |
| 2281 | CASE_RETURN_STRING(WLAN_STOP_NON_PRIORITY_QUEUE); |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2282 | default: |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2283 | return "Invalid"; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2284 | } |
| 2285 | } |
| 2286 | |
| 2287 | /** |
| 2288 | * wlan_hdd_update_queue_oper_stats - update queue operation statistics |
| 2289 | * @adapter: adapter handle |
| 2290 | * @action: action type |
| 2291 | * @reason: reason type |
| 2292 | */ |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 2293 | static void wlan_hdd_update_queue_oper_stats(struct hdd_adapter *adapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2294 | enum netif_action_type action, enum netif_reason_type reason) |
| 2295 | { |
| 2296 | switch (action) { |
| 2297 | case WLAN_STOP_ALL_NETIF_QUEUE: |
| 2298 | case WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER: |
chenguo | dc9f0ec | 2018-09-03 18:53:26 +0800 | [diff] [blame] | 2299 | case WLAN_NETIF_BE_BK_QUEUE_OFF: |
| 2300 | case WLAN_NETIF_VI_QUEUE_OFF: |
| 2301 | case WLAN_NETIF_VO_QUEUE_OFF: |
Rakesh Pillai | 3e534db | 2017-09-26 18:59:43 +0530 | [diff] [blame] | 2302 | case WLAN_NETIF_PRIORITY_QUEUE_OFF: |
| 2303 | case WLAN_STOP_NON_PRIORITY_QUEUE: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2304 | adapter->queue_oper_stats[reason].pause_count++; |
| 2305 | break; |
| 2306 | case WLAN_START_ALL_NETIF_QUEUE: |
| 2307 | case WLAN_WAKE_ALL_NETIF_QUEUE: |
| 2308 | case WLAN_START_ALL_NETIF_QUEUE_N_CARRIER: |
chenguo | dc9f0ec | 2018-09-03 18:53:26 +0800 | [diff] [blame] | 2309 | case WLAN_NETIF_VI_QUEUE_ON: |
| 2310 | case WLAN_NETIF_VO_QUEUE_ON: |
Rakesh Pillai | 3e534db | 2017-09-26 18:59:43 +0530 | [diff] [blame] | 2311 | case WLAN_NETIF_PRIORITY_QUEUE_ON: |
| 2312 | case WLAN_WAKE_NON_PRIORITY_QUEUE: |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2313 | adapter->queue_oper_stats[reason].unpause_count++; |
| 2314 | break; |
| 2315 | default: |
| 2316 | break; |
| 2317 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2318 | } |
| 2319 | |
| 2320 | /** |
jiad | 5b98663 | 2017-08-04 11:59:20 +0800 | [diff] [blame] | 2321 | * hdd_netdev_queue_is_locked() |
| 2322 | * @txq: net device tx queue |
| 2323 | * |
| 2324 | * For SMP system, always return false and we could safely rely on |
| 2325 | * __netif_tx_trylock(). |
| 2326 | * |
| 2327 | * Return: true locked; false not locked |
| 2328 | */ |
| 2329 | #ifdef QCA_CONFIG_SMP |
| 2330 | static inline bool hdd_netdev_queue_is_locked(struct netdev_queue *txq) |
| 2331 | { |
| 2332 | return false; |
| 2333 | } |
| 2334 | #else |
| 2335 | static inline bool hdd_netdev_queue_is_locked(struct netdev_queue *txq) |
| 2336 | { |
| 2337 | return txq->xmit_lock_owner != -1; |
| 2338 | } |
| 2339 | #endif |
| 2340 | |
| 2341 | /** |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2342 | * wlan_hdd_update_txq_timestamp() - update txq timestamp |
| 2343 | * @dev: net device |
| 2344 | * |
| 2345 | * Return: none |
| 2346 | */ |
Jeff Johnson | 3ae708d | 2016-10-05 15:45:00 -0700 | [diff] [blame] | 2347 | static void wlan_hdd_update_txq_timestamp(struct net_device *dev) |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2348 | { |
| 2349 | struct netdev_queue *txq; |
| 2350 | int i; |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2351 | |
| 2352 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 2353 | txq = netdev_get_tx_queue(dev, i); |
jiad | 5b98663 | 2017-08-04 11:59:20 +0800 | [diff] [blame] | 2354 | |
| 2355 | /* |
| 2356 | * On UP system, kernel will trigger watchdog bite if spinlock |
| 2357 | * recursion is detected. Unfortunately recursion is possible |
| 2358 | * when it is called in dev_queue_xmit() context, where stack |
| 2359 | * grabs the lock before calling driver's ndo_start_xmit |
| 2360 | * callback. |
| 2361 | */ |
| 2362 | if (!hdd_netdev_queue_is_locked(txq)) { |
| 2363 | if (__netif_tx_trylock(txq)) { |
| 2364 | txq_trans_update(txq); |
| 2365 | __netif_tx_unlock(txq); |
| 2366 | } |
wadesong | ba6373e | 2017-05-15 20:59:05 +0800 | [diff] [blame] | 2367 | } |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2368 | } |
| 2369 | } |
| 2370 | |
| 2371 | /** |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2372 | * wlan_hdd_update_unpause_time() - update unpause time |
| 2373 | * @adapter: adapter handle |
| 2374 | * |
| 2375 | * Return: none |
| 2376 | */ |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 2377 | static void wlan_hdd_update_unpause_time(struct hdd_adapter *adapter) |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2378 | { |
| 2379 | qdf_time_t curr_time = qdf_system_ticks(); |
| 2380 | |
| 2381 | adapter->total_unpause_time += curr_time - adapter->last_time; |
| 2382 | adapter->last_time = curr_time; |
| 2383 | } |
| 2384 | |
| 2385 | /** |
| 2386 | * wlan_hdd_update_pause_time() - update pause time |
| 2387 | * @adapter: adapter handle |
| 2388 | * |
| 2389 | * Return: none |
| 2390 | */ |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 2391 | static void wlan_hdd_update_pause_time(struct hdd_adapter *adapter, |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2392 | uint32_t temp_map) |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2393 | { |
| 2394 | qdf_time_t curr_time = qdf_system_ticks(); |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2395 | uint8_t i; |
| 2396 | qdf_time_t pause_time; |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2397 | |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2398 | pause_time = curr_time - adapter->last_time; |
| 2399 | adapter->total_pause_time += pause_time; |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2400 | adapter->last_time = curr_time; |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2401 | |
| 2402 | for (i = 0; i < WLAN_REASON_TYPE_MAX; i++) { |
| 2403 | if (temp_map & (1 << i)) { |
| 2404 | adapter->queue_oper_stats[i].total_pause_time += |
| 2405 | pause_time; |
| 2406 | break; |
| 2407 | } |
| 2408 | } |
| 2409 | |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2410 | } |
| 2411 | |
Mohit Khanna | f7e7b34 | 2019-04-08 11:54:21 -0700 | [diff] [blame] | 2412 | uint32_t |
| 2413 | wlan_hdd_dump_queue_history_state(struct hdd_netif_queue_history *queue_history, |
| 2414 | char *buf, uint32_t size) |
| 2415 | { |
| 2416 | unsigned int i; |
| 2417 | unsigned int index = 0; |
| 2418 | |
| 2419 | for (i = 0; i < NUM_TX_QUEUES; i++) { |
| 2420 | index += qdf_scnprintf(buf + index, |
| 2421 | size - index, |
| 2422 | "%u:0x%lx ", |
| 2423 | i, queue_history->tx_q_state[i]); |
| 2424 | } |
| 2425 | |
| 2426 | return index; |
| 2427 | } |
| 2428 | |
| 2429 | /** |
| 2430 | * wlan_hdd_update_queue_history_state() - Save a copy of dev TX queues state |
| 2431 | * @adapter: adapter handle |
| 2432 | * |
| 2433 | * Save netdev TX queues state into adapter queue history. |
| 2434 | * |
| 2435 | * Return: None |
| 2436 | */ |
| 2437 | static void |
| 2438 | wlan_hdd_update_queue_history_state(struct net_device *dev, |
| 2439 | struct hdd_netif_queue_history *q_hist) |
| 2440 | { |
| 2441 | unsigned int i = 0; |
| 2442 | uint32_t num_tx_queues = 0; |
| 2443 | struct netdev_queue *txq = NULL; |
| 2444 | |
| 2445 | num_tx_queues = qdf_min(dev->num_tx_queues, (uint32_t)NUM_TX_QUEUES); |
| 2446 | |
| 2447 | for (i = 0; i < num_tx_queues; i++) { |
| 2448 | txq = netdev_get_tx_queue(dev, i); |
| 2449 | q_hist->tx_q_state[i] = txq->state; |
| 2450 | } |
| 2451 | } |
| 2452 | |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2453 | /** |
Rakesh Pillai | 3e534db | 2017-09-26 18:59:43 +0530 | [diff] [blame] | 2454 | * wlan_hdd_stop_non_priority_queue() - stop non prority queues |
| 2455 | * @adapter: adapter handle |
| 2456 | * |
| 2457 | * Return: None |
| 2458 | */ |
| 2459 | static inline void wlan_hdd_stop_non_priority_queue(struct hdd_adapter *adapter) |
| 2460 | { |
| 2461 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| 2462 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| 2463 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BE); |
| 2464 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BK); |
| 2465 | } |
| 2466 | |
| 2467 | /** |
| 2468 | * wlan_hdd_wake_non_priority_queue() - wake non prority queues |
| 2469 | * @adapter: adapter handle |
| 2470 | * |
| 2471 | * Return: None |
| 2472 | */ |
| 2473 | static inline void wlan_hdd_wake_non_priority_queue(struct hdd_adapter *adapter) |
| 2474 | { |
| 2475 | netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| 2476 | netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| 2477 | netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_BE); |
| 2478 | netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_BK); |
| 2479 | } |
| 2480 | |
| 2481 | /** |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2482 | * wlan_hdd_netif_queue_control() - Use for netif_queue related actions |
| 2483 | * @adapter: adapter handle |
| 2484 | * @action: action type |
| 2485 | * @reason: reason type |
| 2486 | * |
| 2487 | * This is single function which is used for netif_queue related |
| 2488 | * actions like start/stop of network queues and on/off carrier |
| 2489 | * option. |
| 2490 | * |
| 2491 | * Return: None |
| 2492 | */ |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 2493 | void wlan_hdd_netif_queue_control(struct hdd_adapter *adapter, |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2494 | enum netif_action_type action, enum netif_reason_type reason) |
| 2495 | { |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2496 | uint32_t temp_map; |
Harprit Chhabada | 1125e0c | 2019-01-09 17:12:34 -0800 | [diff] [blame] | 2497 | uint8_t index; |
Mohit Khanna | f7e7b34 | 2019-04-08 11:54:21 -0700 | [diff] [blame] | 2498 | struct hdd_netif_queue_history *txq_hist_ptr; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2499 | |
| 2500 | if ((!adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic) || |
| 2501 | (!adapter->dev)) { |
| 2502 | hdd_err("adapter is invalid"); |
| 2503 | return; |
| 2504 | } |
| 2505 | |
| 2506 | switch (action) { |
| 2507 | |
| 2508 | case WLAN_NETIF_CARRIER_ON: |
| 2509 | netif_carrier_on(adapter->dev); |
| 2510 | break; |
| 2511 | |
| 2512 | case WLAN_NETIF_CARRIER_OFF: |
| 2513 | netif_carrier_off(adapter->dev); |
| 2514 | break; |
| 2515 | |
| 2516 | case WLAN_STOP_ALL_NETIF_QUEUE: |
| 2517 | spin_lock_bh(&adapter->pause_map_lock); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2518 | if (!adapter->pause_map) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2519 | netif_tx_stop_all_queues(adapter->dev); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2520 | wlan_hdd_update_txq_timestamp(adapter->dev); |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2521 | wlan_hdd_update_unpause_time(adapter); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2522 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2523 | adapter->pause_map |= (1 << reason); |
| 2524 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2525 | break; |
| 2526 | |
Rakesh Pillai | 3e534db | 2017-09-26 18:59:43 +0530 | [diff] [blame] | 2527 | case WLAN_STOP_NON_PRIORITY_QUEUE: |
| 2528 | spin_lock_bh(&adapter->pause_map_lock); |
| 2529 | if (!adapter->pause_map) { |
| 2530 | wlan_hdd_stop_non_priority_queue(adapter); |
| 2531 | wlan_hdd_update_txq_timestamp(adapter->dev); |
| 2532 | wlan_hdd_update_unpause_time(adapter); |
| 2533 | } |
| 2534 | adapter->pause_map |= (1 << reason); |
| 2535 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2536 | break; |
| 2537 | |
| 2538 | case WLAN_NETIF_PRIORITY_QUEUE_ON: |
| 2539 | spin_lock_bh(&adapter->pause_map_lock); |
| 2540 | temp_map = adapter->pause_map; |
| 2541 | adapter->pause_map &= ~(1 << reason); |
| 2542 | netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_HI_PRIO); |
| 2543 | wlan_hdd_update_pause_time(adapter, temp_map); |
| 2544 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2545 | break; |
| 2546 | |
| 2547 | case WLAN_NETIF_PRIORITY_QUEUE_OFF: |
| 2548 | spin_lock_bh(&adapter->pause_map_lock); |
| 2549 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_HI_PRIO); |
| 2550 | wlan_hdd_update_txq_timestamp(adapter->dev); |
| 2551 | wlan_hdd_update_unpause_time(adapter); |
| 2552 | adapter->pause_map |= (1 << reason); |
| 2553 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2554 | break; |
| 2555 | |
chenguo | dc9f0ec | 2018-09-03 18:53:26 +0800 | [diff] [blame] | 2556 | case WLAN_NETIF_BE_BK_QUEUE_OFF: |
| 2557 | spin_lock_bh(&adapter->pause_map_lock); |
| 2558 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BK); |
| 2559 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BE); |
| 2560 | wlan_hdd_update_txq_timestamp(adapter->dev); |
| 2561 | wlan_hdd_update_unpause_time(adapter); |
| 2562 | adapter->pause_map |= (1 << reason); |
| 2563 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2564 | break; |
| 2565 | |
| 2566 | case WLAN_NETIF_VI_QUEUE_OFF: |
| 2567 | spin_lock_bh(&adapter->pause_map_lock); |
| 2568 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| 2569 | wlan_hdd_update_txq_timestamp(adapter->dev); |
| 2570 | wlan_hdd_update_unpause_time(adapter); |
| 2571 | adapter->pause_map |= (1 << reason); |
| 2572 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2573 | break; |
| 2574 | |
| 2575 | case WLAN_NETIF_VI_QUEUE_ON: |
| 2576 | spin_lock_bh(&adapter->pause_map_lock); |
| 2577 | temp_map = adapter->pause_map; |
| 2578 | adapter->pause_map &= ~(1 << reason); |
| 2579 | netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| 2580 | wlan_hdd_update_pause_time(adapter, temp_map); |
| 2581 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2582 | break; |
| 2583 | |
| 2584 | case WLAN_NETIF_VO_QUEUE_OFF: |
| 2585 | spin_lock_bh(&adapter->pause_map_lock); |
| 2586 | netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| 2587 | wlan_hdd_update_txq_timestamp(adapter->dev); |
| 2588 | wlan_hdd_update_unpause_time(adapter); |
| 2589 | adapter->pause_map |= (1 << reason); |
| 2590 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2591 | break; |
| 2592 | |
| 2593 | case WLAN_NETIF_VO_QUEUE_ON: |
| 2594 | spin_lock_bh(&adapter->pause_map_lock); |
| 2595 | temp_map = adapter->pause_map; |
| 2596 | adapter->pause_map &= ~(1 << reason); |
| 2597 | netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| 2598 | wlan_hdd_update_pause_time(adapter, temp_map); |
| 2599 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2600 | break; |
| 2601 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2602 | case WLAN_START_ALL_NETIF_QUEUE: |
| 2603 | spin_lock_bh(&adapter->pause_map_lock); |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2604 | temp_map = adapter->pause_map; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2605 | adapter->pause_map &= ~(1 << reason); |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2606 | if (!adapter->pause_map) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2607 | netif_tx_start_all_queues(adapter->dev); |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2608 | wlan_hdd_update_pause_time(adapter, temp_map); |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2609 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2610 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2611 | break; |
| 2612 | |
| 2613 | case WLAN_WAKE_ALL_NETIF_QUEUE: |
| 2614 | spin_lock_bh(&adapter->pause_map_lock); |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2615 | temp_map = adapter->pause_map; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2616 | adapter->pause_map &= ~(1 << reason); |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2617 | if (!adapter->pause_map) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2618 | netif_tx_wake_all_queues(adapter->dev); |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2619 | wlan_hdd_update_pause_time(adapter, temp_map); |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2620 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2621 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2622 | break; |
| 2623 | |
Rakesh Pillai | 3e534db | 2017-09-26 18:59:43 +0530 | [diff] [blame] | 2624 | case WLAN_WAKE_NON_PRIORITY_QUEUE: |
| 2625 | spin_lock_bh(&adapter->pause_map_lock); |
| 2626 | temp_map = adapter->pause_map; |
| 2627 | adapter->pause_map &= ~(1 << reason); |
| 2628 | if (!adapter->pause_map) { |
| 2629 | wlan_hdd_wake_non_priority_queue(adapter); |
| 2630 | wlan_hdd_update_pause_time(adapter, temp_map); |
| 2631 | } |
| 2632 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2633 | break; |
| 2634 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2635 | case WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER: |
| 2636 | spin_lock_bh(&adapter->pause_map_lock); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2637 | if (!adapter->pause_map) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2638 | netif_tx_stop_all_queues(adapter->dev); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2639 | wlan_hdd_update_txq_timestamp(adapter->dev); |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2640 | wlan_hdd_update_unpause_time(adapter); |
Nirav Shah | 89223f7 | 2016-03-01 18:10:38 +0530 | [diff] [blame] | 2641 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2642 | adapter->pause_map |= (1 << reason); |
| 2643 | netif_carrier_off(adapter->dev); |
| 2644 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2645 | break; |
| 2646 | |
| 2647 | case WLAN_START_ALL_NETIF_QUEUE_N_CARRIER: |
| 2648 | spin_lock_bh(&adapter->pause_map_lock); |
| 2649 | netif_carrier_on(adapter->dev); |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2650 | temp_map = adapter->pause_map; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2651 | adapter->pause_map &= ~(1 << reason); |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2652 | if (!adapter->pause_map) { |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2653 | netif_tx_start_all_queues(adapter->dev); |
Nirav Shah | da00834 | 2016-05-17 18:50:40 +0530 | [diff] [blame] | 2654 | wlan_hdd_update_pause_time(adapter, temp_map); |
Nirav Shah | 617cff9 | 2016-04-25 10:24:24 +0530 | [diff] [blame] | 2655 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2656 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2657 | break; |
| 2658 | |
Mohit Khanna | f7e7b34 | 2019-04-08 11:54:21 -0700 | [diff] [blame] | 2659 | case WLAN_NETIF_ACTION_TYPE_NONE: |
| 2660 | break; |
| 2661 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2662 | default: |
| 2663 | hdd_err("unsupported action %d", action); |
| 2664 | } |
| 2665 | |
| 2666 | spin_lock_bh(&adapter->pause_map_lock); |
| 2667 | if (adapter->pause_map & (1 << WLAN_PEER_UNAUTHORISED)) |
| 2668 | wlan_hdd_process_peer_unauthorised_pause(adapter); |
Harprit Chhabada | 1125e0c | 2019-01-09 17:12:34 -0800 | [diff] [blame] | 2669 | |
| 2670 | index = adapter->history_index++; |
| 2671 | if (adapter->history_index == WLAN_HDD_MAX_HISTORY_ENTRY) |
| 2672 | adapter->history_index = 0; |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2673 | spin_unlock_bh(&adapter->pause_map_lock); |
| 2674 | |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2675 | wlan_hdd_update_queue_oper_stats(adapter, action, reason); |
| 2676 | |
Harprit Chhabada | 1125e0c | 2019-01-09 17:12:34 -0800 | [diff] [blame] | 2677 | adapter->queue_oper_history[index].time = qdf_system_ticks(); |
| 2678 | adapter->queue_oper_history[index].netif_action = action; |
| 2679 | adapter->queue_oper_history[index].netif_reason = reason; |
| 2680 | adapter->queue_oper_history[index].pause_map = adapter->pause_map; |
Mohit Khanna | f7e7b34 | 2019-04-08 11:54:21 -0700 | [diff] [blame] | 2681 | |
| 2682 | txq_hist_ptr = &adapter->queue_oper_history[index]; |
| 2683 | |
| 2684 | wlan_hdd_update_queue_history_state(adapter->dev, txq_hist_ptr); |
| 2685 | } |
| 2686 | |
| 2687 | void hdd_print_netdev_txq_status(struct net_device *dev) |
| 2688 | { |
| 2689 | unsigned int i; |
| 2690 | |
| 2691 | if (!dev) |
| 2692 | return; |
| 2693 | |
| 2694 | for (i = 0; i < dev->num_tx_queues; i++) { |
| 2695 | struct netdev_queue *txq = netdev_get_tx_queue(dev, i); |
| 2696 | |
| 2697 | hdd_debug("netdev tx queue[%u] state:0x%lx", |
| 2698 | i, txq->state); |
| 2699 | } |
Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 2700 | } |
| 2701 | |
Nirav Shah | 73713f7 | 2018-05-17 14:50:41 +0530 | [diff] [blame] | 2702 | #ifdef FEATURE_MONITOR_MODE_SUPPORT |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 2703 | /** |
| 2704 | * hdd_set_mon_rx_cb() - Set Monitor mode Rx callback |
| 2705 | * @dev: Pointer to net_device structure |
| 2706 | * |
| 2707 | * Return: 0 for success; non-zero for failure |
| 2708 | */ |
| 2709 | int hdd_set_mon_rx_cb(struct net_device *dev) |
| 2710 | { |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 2711 | struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 2712 | int ret; |
| 2713 | QDF_STATUS qdf_status; |
| 2714 | struct ol_txrx_desc_type sta_desc = {0}; |
| 2715 | struct ol_txrx_ops txrx_ops; |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 2716 | void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| 2717 | void *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 2718 | |
Kai Liu | cdc307f | 2019-10-15 10:28:19 +0800 | [diff] [blame] | 2719 | WLAN_ADDR_COPY(sta_desc.peer_addr.bytes, adapter->mac_addr.bytes); |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 2720 | qdf_mem_zero(&txrx_ops, sizeof(txrx_ops)); |
| 2721 | txrx_ops.rx.rx = hdd_mon_rx_packet_cbk; |
Ravi Joshi | 106ffe0 | 2017-01-18 18:09:05 -0800 | [diff] [blame] | 2722 | hdd_monitor_set_rx_monitor_cb(&txrx_ops, hdd_rx_monitor_callback); |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 2723 | cdp_vdev_register(soc, |
chenguo | 2201c0a | 2018-11-15 18:07:41 +0800 | [diff] [blame] | 2724 | (struct cdp_vdev *)cdp_get_mon_vdev_from_pdev(soc, |
| 2725 | (struct cdp_pdev *)pdev), |
Dustin Brown | 89fa06e | 2018-09-07 10:47:27 -0700 | [diff] [blame] | 2726 | adapter, (struct cdp_ctrl_objmgr_vdev *)adapter->vdev, |
Sravan Kumar Kairam | 43f191b | 2018-05-04 17:00:39 +0530 | [diff] [blame] | 2727 | &txrx_ops); |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 2728 | /* peer is created wma_vdev_attach->wma_create_peer */ |
Venkata Sharath Chandra Manchala | 0d44d45 | 2016-11-23 17:48:15 -0800 | [diff] [blame] | 2729 | qdf_status = cdp_peer_register(soc, |
| 2730 | (struct cdp_pdev *)pdev, &sta_desc); |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 2731 | if (QDF_STATUS_SUCCESS != qdf_status) { |
Leo Chang | fdb45c3 | 2016-10-28 11:09:23 -0700 | [diff] [blame] | 2732 | hdd_err("cdp_peer_register() failed to register. Status= %d [0x%08X]", |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 2733 | qdf_status, qdf_status); |
| 2734 | goto exit; |
| 2735 | } |
| 2736 | |
Manjunathappa Prakash | 59f861d | 2016-04-21 10:33:31 -0700 | [diff] [blame] | 2737 | exit: |
| 2738 | ret = qdf_status_to_os_return(qdf_status); |
| 2739 | return ret; |
| 2740 | } |
Nirav Shah | 73713f7 | 2018-05-17 14:50:41 +0530 | [diff] [blame] | 2741 | #endif |
Nirav Shah | bd36b06 | 2016-07-18 11:12:59 +0530 | [diff] [blame] | 2742 | |
| 2743 | /** |
| 2744 | * hdd_send_rps_ind() - send rps indication to daemon |
| 2745 | * @adapter: adapter context |
| 2746 | * |
| 2747 | * If RPS feature enabled by INI, send RPS enable indication to daemon |
| 2748 | * Indication contents is the name of interface to find correct sysfs node |
| 2749 | * Should send all available interfaces |
| 2750 | * |
| 2751 | * Return: none |
| 2752 | */ |
Jeff Johnson | 5b76a3e | 2017-08-29 14:18:38 -0700 | [diff] [blame] | 2753 | void hdd_send_rps_ind(struct hdd_adapter *adapter) |
Nirav Shah | bd36b06 | 2016-07-18 11:12:59 +0530 | [diff] [blame] | 2754 | { |
| 2755 | int i; |
| 2756 | uint8_t cpu_map_list_len = 0; |
Jeff Johnson | a9dc1dc | 2017-08-28 11:37:48 -0700 | [diff] [blame] | 2757 | struct hdd_context *hdd_ctxt = NULL; |
Nirav Shah | bd36b06 | 2016-07-18 11:12:59 +0530 | [diff] [blame] | 2758 | struct wlan_rps_data rps_data; |
Yun Park | ff6a16a | 2017-09-26 16:38:18 -0700 | [diff] [blame] | 2759 | struct cds_config_info *cds_cfg; |
| 2760 | |
| 2761 | cds_cfg = cds_get_ini_config(); |
Nirav Shah | bd36b06 | 2016-07-18 11:12:59 +0530 | [diff] [blame] | 2762 | |
| 2763 | if (!adapter) { |
| 2764 | hdd_err("adapter is NULL"); |
| 2765 | return; |
| 2766 | } |
| 2767 | |
Yun Park | ff6a16a | 2017-09-26 16:38:18 -0700 | [diff] [blame] | 2768 | if (!cds_cfg) { |
| 2769 | hdd_err("cds_cfg is NULL"); |
| 2770 | return; |
| 2771 | } |
| 2772 | |
Nirav Shah | bd36b06 | 2016-07-18 11:12:59 +0530 | [diff] [blame] | 2773 | hdd_ctxt = WLAN_HDD_GET_CTX(adapter); |
| 2774 | rps_data.num_queues = NUM_TX_QUEUES; |
| 2775 | |
| 2776 | hdd_info("cpu_map_list '%s'", hdd_ctxt->config->cpu_map_list); |
| 2777 | |
| 2778 | /* in case no cpu map list is provided, simply return */ |
| 2779 | if (!strlen(hdd_ctxt->config->cpu_map_list)) { |
| 2780 | hdd_err("no cpu map list found"); |
| 2781 | goto err; |
| 2782 | } |
| 2783 | |
| 2784 | if (QDF_STATUS_SUCCESS != |
| 2785 | hdd_hex_string_to_u16_array(hdd_ctxt->config->cpu_map_list, |
| 2786 | rps_data.cpu_map_list, |
| 2787 | &cpu_map_list_len, |
| 2788 | WLAN_SVC_IFACE_NUM_QUEUES)) { |
| 2789 | hdd_err("invalid cpu map list"); |
| 2790 | goto err; |
| 2791 | } |
| 2792 | |
| 2793 | rps_data.num_queues = |
| 2794 | (cpu_map_list_len < rps_data.num_queues) ? |
| 2795 | cpu_map_list_len : rps_data.num_queues; |
| 2796 | |
| 2797 | for (i = 0; i < rps_data.num_queues; i++) { |
| 2798 | hdd_info("cpu_map_list[%d] = 0x%x", |
| 2799 | i, rps_data.cpu_map_list[i]); |
| 2800 | } |
| 2801 | |
| 2802 | strlcpy(rps_data.ifname, adapter->dev->name, |
| 2803 | sizeof(rps_data.ifname)); |
Kondabattini, Ganesh | 96ac37b | 2016-09-02 23:12:15 +0530 | [diff] [blame] | 2804 | wlan_hdd_send_svc_nlink_msg(hdd_ctxt->radio_index, |
| 2805 | WLAN_SVC_RPS_ENABLE_IND, |
Nirav Shah | bd36b06 | 2016-07-18 11:12:59 +0530 | [diff] [blame] | 2806 | &rps_data, sizeof(rps_data)); |
| 2807 | |
Yun Park | ff6a16a | 2017-09-26 16:38:18 -0700 | [diff] [blame] | 2808 | cds_cfg->rps_enabled = true; |
| 2809 | |
| 2810 | return; |
| 2811 | |
Nirav Shah | bd36b06 | 2016-07-18 11:12:59 +0530 | [diff] [blame] | 2812 | err: |
| 2813 | hdd_err("Wrong RPS configuration. enabling rx_thread"); |
Yun Park | ff6a16a | 2017-09-26 16:38:18 -0700 | [diff] [blame] | 2814 | cds_cfg->rps_enabled = false; |
| 2815 | } |
| 2816 | |
| 2817 | /** |
| 2818 | * hdd_send_rps_disable_ind() - send rps disable indication to daemon |
| 2819 | * @adapter: adapter context |
| 2820 | * |
| 2821 | * Return: none |
| 2822 | */ |
| 2823 | void hdd_send_rps_disable_ind(struct hdd_adapter *adapter) |
| 2824 | { |
Yun Park | ff6a16a | 2017-09-26 16:38:18 -0700 | [diff] [blame] | 2825 | struct hdd_context *hdd_ctxt = NULL; |
| 2826 | struct wlan_rps_data rps_data; |
| 2827 | struct cds_config_info *cds_cfg; |
| 2828 | |
| 2829 | cds_cfg = cds_get_ini_config(); |
| 2830 | |
| 2831 | if (!adapter) { |
| 2832 | hdd_err("adapter is NULL"); |
| 2833 | return; |
| 2834 | } |
| 2835 | |
| 2836 | if (!cds_cfg) { |
| 2837 | hdd_err("cds_cfg is NULL"); |
| 2838 | return; |
| 2839 | } |
| 2840 | |
| 2841 | hdd_ctxt = WLAN_HDD_GET_CTX(adapter); |
| 2842 | rps_data.num_queues = NUM_TX_QUEUES; |
| 2843 | |
| 2844 | hdd_info("Set cpu_map_list 0"); |
| 2845 | |
| 2846 | qdf_mem_zero(&rps_data.cpu_map_list, sizeof(rps_data.cpu_map_list)); |
Yun Park | ff6a16a | 2017-09-26 16:38:18 -0700 | [diff] [blame] | 2847 | |
| 2848 | strlcpy(rps_data.ifname, adapter->dev->name, sizeof(rps_data.ifname)); |
| 2849 | wlan_hdd_send_svc_nlink_msg(hdd_ctxt->radio_index, |
| 2850 | WLAN_SVC_RPS_ENABLE_IND, |
| 2851 | &rps_data, sizeof(rps_data)); |
| 2852 | |
| 2853 | cds_cfg->rps_enabled = false; |
Nirav Shah | bd36b06 | 2016-07-18 11:12:59 +0530 | [diff] [blame] | 2854 | } |
| 2855 | |
Jeff Johnson | da2afa4 | 2018-07-04 10:25:42 -0700 | [diff] [blame] | 2856 | void hdd_tx_queue_cb(hdd_handle_t hdd_handle, uint32_t vdev_id, |
Varun Reddy Yeturu | 076eaa8 | 2018-01-16 12:16:14 -0800 | [diff] [blame] | 2857 | enum netif_action_type action, |
| 2858 | enum netif_reason_type reason) |
| 2859 | { |
Jeff Johnson | da2afa4 | 2018-07-04 10:25:42 -0700 | [diff] [blame] | 2860 | struct hdd_context *hdd_ctx = hdd_handle_to_context(hdd_handle); |
| 2861 | struct hdd_adapter *adapter; |
Varun Reddy Yeturu | 076eaa8 | 2018-01-16 12:16:14 -0800 | [diff] [blame] | 2862 | |
| 2863 | /* |
| 2864 | * Validating the context is not required here. |
| 2865 | * if there is a driver unload/SSR in progress happening in a |
| 2866 | * different context and it has been scheduled to run and |
| 2867 | * driver got a firmware event of sta kick out, then it is |
| 2868 | * good to disable the Tx Queue to stop the influx of traffic. |
| 2869 | */ |
Jeff Johnson | da2afa4 | 2018-07-04 10:25:42 -0700 | [diff] [blame] | 2870 | if (!hdd_ctx) { |
Varun Reddy Yeturu | 076eaa8 | 2018-01-16 12:16:14 -0800 | [diff] [blame] | 2871 | hdd_err("Invalid context passed"); |
| 2872 | return; |
| 2873 | } |
| 2874 | |
| 2875 | adapter = hdd_get_adapter_by_vdev(hdd_ctx, vdev_id); |
Jeff Johnson | da2afa4 | 2018-07-04 10:25:42 -0700 | [diff] [blame] | 2876 | if (!adapter) { |
Varun Reddy Yeturu | 076eaa8 | 2018-01-16 12:16:14 -0800 | [diff] [blame] | 2877 | hdd_err("vdev_id %d does not exist with host", vdev_id); |
| 2878 | return; |
| 2879 | } |
| 2880 | hdd_debug("Tx Queue action %d on vdev %d", action, vdev_id); |
| 2881 | |
| 2882 | wlan_hdd_netif_queue_control(adapter, action, reason); |
| 2883 | } |
| 2884 | |
Tiger Yu | 8b119e9 | 2019-04-09 13:55:07 +0800 | [diff] [blame] | 2885 | #ifdef WLAN_FEATURE_DP_BUS_BANDWIDTH |
Ravi Joshi | b89e7f7 | 2016-09-07 13:43:15 -0700 | [diff] [blame] | 2886 | /** |
| 2887 | * hdd_reset_tcp_delack() - Reset tcp delack value to default |
| 2888 | * @hdd_ctx: Handle to hdd context |
| 2889 | * |
| 2890 | * Function used to reset TCP delack value to its default value |
| 2891 | * |
| 2892 | * Return: None |
| 2893 | */ |
Jeff Johnson | a9dc1dc | 2017-08-28 11:37:48 -0700 | [diff] [blame] | 2894 | void hdd_reset_tcp_delack(struct hdd_context *hdd_ctx) |
Ravi Joshi | b89e7f7 | 2016-09-07 13:43:15 -0700 | [diff] [blame] | 2895 | { |
Tushnim Bhattacharyya | dfbce70 | 2018-03-27 12:46:48 -0700 | [diff] [blame] | 2896 | enum wlan_tp_level next_level = WLAN_SVC_TP_LOW; |
Manjunathappa Prakash | c13cb5b | 2017-10-09 01:47:07 -0700 | [diff] [blame] | 2897 | struct wlan_rx_tp_data rx_tp_data = {0}; |
Nirav Shah | bd36b06 | 2016-07-18 11:12:59 +0530 | [diff] [blame] | 2898 | |
Manjunathappa Prakash | c13cb5b | 2017-10-09 01:47:07 -0700 | [diff] [blame] | 2899 | rx_tp_data.rx_tp_flags |= TCP_DEL_ACK_IND; |
Manjunathappa Prakash | c13cb5b | 2017-10-09 01:47:07 -0700 | [diff] [blame] | 2900 | rx_tp_data.level = next_level; |
Ravi Joshi | b89e7f7 | 2016-09-07 13:43:15 -0700 | [diff] [blame] | 2901 | hdd_ctx->rx_high_ind_cnt = 0; |
Alok Kumar | 2fad644 | 2018-11-08 19:19:28 +0530 | [diff] [blame] | 2902 | wlan_hdd_update_tcp_rx_param(hdd_ctx, &rx_tp_data); |
Ravi Joshi | b89e7f7 | 2016-09-07 13:43:15 -0700 | [diff] [blame] | 2903 | } |
hangtian | 2b9856f | 2019-01-25 11:50:39 +0800 | [diff] [blame] | 2904 | |
| 2905 | /** |
| 2906 | * hdd_is_current_high_throughput() - Check if vote level is high |
| 2907 | * @hdd_ctx: Handle to hdd context |
| 2908 | * |
| 2909 | * Function used to check if vote level is high |
| 2910 | * |
| 2911 | * Return: True if vote level is high |
| 2912 | */ |
Hangtian Zhu | 2b2adde | 2019-09-12 10:47:42 +0800 | [diff] [blame] | 2913 | #ifdef RX_PERFORMANCE |
hangtian | 2b9856f | 2019-01-25 11:50:39 +0800 | [diff] [blame] | 2914 | bool hdd_is_current_high_throughput(struct hdd_context *hdd_ctx) |
| 2915 | { |
Mohit Khanna | b9d7e4e | 2019-08-05 17:43:37 -0700 | [diff] [blame] | 2916 | if (hdd_ctx->cur_vote_level < PLD_BUS_WIDTH_MEDIUM) |
hangtian | 2b9856f | 2019-01-25 11:50:39 +0800 | [diff] [blame] | 2917 | return false; |
| 2918 | else |
| 2919 | return true; |
| 2920 | } |
Tiger Yu | 8b119e9 | 2019-04-09 13:55:07 +0800 | [diff] [blame] | 2921 | #endif |
Hangtian Zhu | 2b2adde | 2019-09-12 10:47:42 +0800 | [diff] [blame] | 2922 | #endif |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 2923 | |
| 2924 | #ifdef QCA_LL_LEGACY_TX_FLOW_CONTROL |
| 2925 | /** |
| 2926 | * hdd_ini_tx_flow_control() - Initialize INIs concerned about tx flow control |
| 2927 | * @config: pointer to hdd config |
| 2928 | * @psoc: pointer to psoc obj |
| 2929 | * |
| 2930 | * Return: none |
| 2931 | */ |
| 2932 | static void hdd_ini_tx_flow_control(struct hdd_config *config, |
| 2933 | struct wlan_objmgr_psoc *psoc) |
| 2934 | { |
| 2935 | config->tx_flow_low_watermark = |
| 2936 | cfg_get(psoc, CFG_DP_LL_TX_FLOW_LWM); |
| 2937 | config->tx_flow_hi_watermark_offset = |
| 2938 | cfg_get(psoc, CFG_DP_LL_TX_FLOW_HWM_OFFSET); |
| 2939 | config->tx_flow_max_queue_depth = |
| 2940 | cfg_get(psoc, CFG_DP_LL_TX_FLOW_MAX_Q_DEPTH); |
| 2941 | config->tx_lbw_flow_low_watermark = |
| 2942 | cfg_get(psoc, CFG_DP_LL_TX_LBW_FLOW_LWM); |
| 2943 | config->tx_lbw_flow_hi_watermark_offset = |
| 2944 | cfg_get(psoc, CFG_DP_LL_TX_LBW_FLOW_HWM_OFFSET); |
| 2945 | config->tx_lbw_flow_max_queue_depth = |
| 2946 | cfg_get(psoc, CFG_DP_LL_TX_LBW_FLOW_MAX_Q_DEPTH); |
| 2947 | config->tx_hbw_flow_low_watermark = |
| 2948 | cfg_get(psoc, CFG_DP_LL_TX_HBW_FLOW_LWM); |
| 2949 | config->tx_hbw_flow_hi_watermark_offset = |
| 2950 | cfg_get(psoc, CFG_DP_LL_TX_HBW_FLOW_HWM_OFFSET); |
| 2951 | config->tx_hbw_flow_max_queue_depth = |
| 2952 | cfg_get(psoc, CFG_DP_LL_TX_HBW_FLOW_MAX_Q_DEPTH); |
| 2953 | } |
| 2954 | #else |
| 2955 | static void hdd_ini_tx_flow_control(struct hdd_config *config, |
| 2956 | struct wlan_objmgr_psoc *psoc) |
| 2957 | { |
| 2958 | } |
| 2959 | #endif |
| 2960 | |
Tiger Yu | 8b119e9 | 2019-04-09 13:55:07 +0800 | [diff] [blame] | 2961 | #ifdef WLAN_FEATURE_DP_BUS_BANDWIDTH |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 2962 | /** |
| 2963 | * hdd_ini_tx_flow_control() - Initialize INIs concerned about bus bandwidth |
| 2964 | * @config: pointer to hdd config |
| 2965 | * @psoc: pointer to psoc obj |
| 2966 | * |
| 2967 | * Return: none |
| 2968 | */ |
| 2969 | static void hdd_ini_bus_bandwidth(struct hdd_config *config, |
| 2970 | struct wlan_objmgr_psoc *psoc) |
| 2971 | { |
Mohit Khanna | 6dbf9c8 | 2019-07-12 17:23:28 -0700 | [diff] [blame] | 2972 | config->bus_bw_very_high_threshold = |
| 2973 | cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_VERY_HIGH_THRESHOLD); |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 2974 | config->bus_bw_high_threshold = |
| 2975 | cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_HIGH_THRESHOLD); |
| 2976 | config->bus_bw_medium_threshold = |
| 2977 | cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_MEDIUM_THRESHOLD); |
| 2978 | config->bus_bw_low_threshold = |
| 2979 | cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_LOW_THRESHOLD); |
| 2980 | config->bus_bw_compute_interval = |
| 2981 | cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_COMPUTE_INTERVAL); |
Jinwei Chen | 0dc383e | 2019-08-23 00:43:04 +0800 | [diff] [blame] | 2982 | config->bus_low_cnt_threshold = |
| 2983 | cfg_get(psoc, CFG_DP_BUS_LOW_BW_CNT_THRESHOLD); |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 2984 | } |
| 2985 | |
| 2986 | /** |
| 2987 | * hdd_ini_tx_flow_control() - Initialize INIs concerned about tcp settings |
| 2988 | * @config: pointer to hdd config |
| 2989 | * @psoc: pointer to psoc obj |
| 2990 | * |
| 2991 | * Return: none |
| 2992 | */ |
| 2993 | static void hdd_ini_tcp_settings(struct hdd_config *config, |
| 2994 | struct wlan_objmgr_psoc *psoc) |
| 2995 | { |
| 2996 | config->enable_tcp_limit_output = |
| 2997 | cfg_get(psoc, CFG_DP_ENABLE_TCP_LIMIT_OUTPUT); |
| 2998 | config->enable_tcp_adv_win_scale = |
| 2999 | cfg_get(psoc, CFG_DP_ENABLE_TCP_ADV_WIN_SCALE); |
| 3000 | config->enable_tcp_delack = |
| 3001 | cfg_get(psoc, CFG_DP_ENABLE_TCP_DELACK); |
| 3002 | config->tcp_delack_thres_high = |
| 3003 | cfg_get(psoc, CFG_DP_TCP_DELACK_THRESHOLD_HIGH); |
| 3004 | config->tcp_delack_thres_low = |
| 3005 | cfg_get(psoc, CFG_DP_TCP_DELACK_THRESHOLD_LOW); |
| 3006 | config->tcp_delack_timer_count = |
| 3007 | cfg_get(psoc, CFG_DP_TCP_DELACK_TIMER_COUNT); |
| 3008 | config->tcp_tx_high_tput_thres = |
| 3009 | cfg_get(psoc, CFG_DP_TCP_TX_HIGH_TPUT_THRESHOLD); |
Alok Kumar | 2fad644 | 2018-11-08 19:19:28 +0530 | [diff] [blame] | 3010 | config->enable_tcp_param_update = |
| 3011 | cfg_get(psoc, CFG_DP_ENABLE_TCP_PARAM_UPDATE); |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3012 | } |
| 3013 | #else |
| 3014 | static void hdd_ini_bus_bandwidth(struct hdd_config *config, |
Tiger Yu | 8b119e9 | 2019-04-09 13:55:07 +0800 | [diff] [blame] | 3015 | struct wlan_objmgr_psoc *psoc) |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3016 | { |
| 3017 | } |
| 3018 | |
| 3019 | static void hdd_ini_tcp_settings(struct hdd_config *config, |
| 3020 | struct wlan_objmgr_psoc *psoc) |
| 3021 | { |
| 3022 | } |
Tiger Yu | 8b119e9 | 2019-04-09 13:55:07 +0800 | [diff] [blame] | 3023 | #endif /*WLAN_FEATURE_DP_BUS_BANDWIDTH*/ |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3024 | |
| 3025 | /** |
| 3026 | * hdd_set_rx_mode_value() - set rx_mode values |
| 3027 | * @hdd_ctx: hdd context |
| 3028 | * |
| 3029 | * Return: none |
| 3030 | */ |
| 3031 | static void hdd_set_rx_mode_value(struct hdd_context *hdd_ctx) |
| 3032 | { |
| 3033 | uint32_t rx_mode = hdd_ctx->config->rx_mode; |
Venkata Sharath Chandra Manchala | 702be3e | 2019-03-28 12:24:39 -0700 | [diff] [blame] | 3034 | enum QDF_GLOBAL_MODE con_mode = 0; |
| 3035 | |
| 3036 | con_mode = hdd_get_conparam(); |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3037 | |
| 3038 | /* RPS has higher priority than dynamic RPS when both bits are set */ |
| 3039 | if (rx_mode & CFG_ENABLE_RPS && rx_mode & CFG_ENABLE_DYNAMIC_RPS) |
| 3040 | rx_mode &= ~CFG_ENABLE_DYNAMIC_RPS; |
| 3041 | |
| 3042 | if (rx_mode & CFG_ENABLE_RX_THREAD && rx_mode & CFG_ENABLE_RPS) { |
| 3043 | hdd_warn("rx_mode wrong configuration. Make it default"); |
| 3044 | rx_mode = CFG_RX_MODE_DEFAULT; |
| 3045 | } |
| 3046 | |
| 3047 | if (rx_mode & CFG_ENABLE_RX_THREAD) |
| 3048 | hdd_ctx->enable_rxthread = true; |
Venkata Sharath Chandra Manchala | 702be3e | 2019-03-28 12:24:39 -0700 | [diff] [blame] | 3049 | else if (rx_mode & CFG_ENABLE_DP_RX_THREADS) { |
| 3050 | if (con_mode == QDF_GLOBAL_MONITOR_MODE) |
| 3051 | hdd_ctx->enable_dp_rx_threads = false; |
| 3052 | else |
| 3053 | hdd_ctx->enable_dp_rx_threads = true; |
| 3054 | } |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3055 | |
| 3056 | if (rx_mode & CFG_ENABLE_RPS) |
| 3057 | hdd_ctx->rps = true; |
| 3058 | |
| 3059 | if (rx_mode & CFG_ENABLE_NAPI) |
| 3060 | hdd_ctx->napi_enable = true; |
| 3061 | |
| 3062 | if (rx_mode & CFG_ENABLE_DYNAMIC_RPS) |
| 3063 | hdd_ctx->dynamic_rps = true; |
| 3064 | |
| 3065 | hdd_debug("rx_mode:%u dp_rx_threads:%u rx_thread:%u napi:%u rps:%u dynamic rps %u", |
| 3066 | rx_mode, hdd_ctx->enable_dp_rx_threads, |
| 3067 | hdd_ctx->enable_rxthread, hdd_ctx->napi_enable, |
| 3068 | hdd_ctx->rps, hdd_ctx->dynamic_rps); |
| 3069 | } |
| 3070 | |
jitiphil | b03ae08 | 2018-11-09 17:41:59 +0530 | [diff] [blame] | 3071 | #ifdef CONFIG_DP_TRACE |
| 3072 | static void |
| 3073 | hdd_dp_dp_trace_cfg_update(struct hdd_config *config, |
| 3074 | struct wlan_objmgr_psoc *psoc) |
| 3075 | { |
| 3076 | qdf_size_t array_out_size; |
| 3077 | |
| 3078 | config->enable_dp_trace = cfg_get(psoc, CFG_DP_ENABLE_DP_TRACE); |
| 3079 | qdf_uint8_array_parse(cfg_get(psoc, CFG_DP_DP_TRACE_CONFIG), |
| 3080 | config->dp_trace_config, |
| 3081 | sizeof(config->dp_trace_config), &array_out_size); |
| 3082 | } |
| 3083 | #else |
| 3084 | static void |
| 3085 | hdd_dp_dp_trace_cfg_update(struct hdd_config *config, |
| 3086 | struct wlan_objmgr_psoc *psoc) |
| 3087 | { |
| 3088 | } |
| 3089 | #endif |
| 3090 | |
| 3091 | #ifdef WLAN_NUD_TRACKING |
| 3092 | static void |
| 3093 | hdd_dp_nud_tracking_cfg_update(struct hdd_config *config, |
| 3094 | struct wlan_objmgr_psoc *psoc) |
| 3095 | { |
| 3096 | config->enable_nud_tracking = cfg_get(psoc, CFG_DP_ENABLE_NUD_TRACKING); |
| 3097 | } |
| 3098 | #else |
| 3099 | static void |
| 3100 | hdd_dp_nud_tracking_cfg_update(struct hdd_config *config, |
| 3101 | struct wlan_objmgr_psoc *psoc) |
| 3102 | { |
| 3103 | } |
| 3104 | #endif |
| 3105 | |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 3106 | #ifdef QCA_SUPPORT_TXRX_DRIVER_TCP_DEL_ACK |
| 3107 | static void hdd_ini_tcp_del_ack_settings(struct hdd_config *config, |
| 3108 | struct wlan_objmgr_psoc *psoc) |
| 3109 | { |
| 3110 | config->del_ack_threshold_high = |
| 3111 | cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_HIGH_THRESHOLD); |
| 3112 | config->del_ack_threshold_low = |
| 3113 | cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_LOW_THRESHOLD); |
| 3114 | config->del_ack_enable = |
| 3115 | cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_ENABLE); |
| 3116 | config->del_ack_pkt_count = |
| 3117 | cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_PKT_CNT); |
| 3118 | config->del_ack_timer_value = |
| 3119 | cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_TIMER_VALUE); |
| 3120 | } |
| 3121 | #else |
| 3122 | static void hdd_ini_tcp_del_ack_settings(struct hdd_config *config, |
| 3123 | struct wlan_objmgr_psoc *psoc) |
| 3124 | { |
| 3125 | } |
| 3126 | #endif |
| 3127 | |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3128 | void hdd_dp_cfg_update(struct wlan_objmgr_psoc *psoc, |
| 3129 | struct hdd_context *hdd_ctx) |
| 3130 | { |
| 3131 | struct hdd_config *config; |
jitiphil | b03ae08 | 2018-11-09 17:41:59 +0530 | [diff] [blame] | 3132 | qdf_size_t array_out_size; |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3133 | |
| 3134 | config = hdd_ctx->config; |
| 3135 | hdd_ini_tx_flow_control(config, psoc); |
| 3136 | hdd_ini_bus_bandwidth(config, psoc); |
| 3137 | hdd_ini_tcp_settings(config, psoc); |
Tiger Yu | e40e783 | 2019-04-25 10:46:53 +0800 | [diff] [blame] | 3138 | |
| 3139 | hdd_ini_tcp_del_ack_settings(config, psoc); |
| 3140 | |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3141 | config->napi_cpu_affinity_mask = |
| 3142 | cfg_get(psoc, CFG_DP_NAPI_CE_CPU_MASK); |
| 3143 | config->rx_thread_affinity_mask = |
| 3144 | cfg_get(psoc, CFG_DP_RX_THREAD_CPU_MASK); |
| 3145 | qdf_uint8_array_parse(cfg_get(psoc, CFG_DP_RPS_RX_QUEUE_CPU_MAP_LIST), |
| 3146 | config->cpu_map_list, |
jitiphil | b03ae08 | 2018-11-09 17:41:59 +0530 | [diff] [blame] | 3147 | sizeof(config->cpu_map_list), &array_out_size); |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3148 | config->tx_orphan_enable = cfg_get(psoc, CFG_DP_TX_ORPHAN_ENABLE); |
| 3149 | config->rx_mode = cfg_get(psoc, CFG_DP_RX_MODE); |
| 3150 | hdd_set_rx_mode_value(hdd_ctx); |
jitiphil | 296c23e | 2018-11-15 16:26:14 +0530 | [diff] [blame] | 3151 | config->multicast_replay_filter = |
| 3152 | cfg_get(psoc, CFG_DP_FILTER_MULTICAST_REPLAY); |
| 3153 | config->rx_wakelock_timeout = |
| 3154 | cfg_get(psoc, CFG_DP_RX_WAKELOCK_TIMEOUT); |
| 3155 | config->num_dp_rx_threads = cfg_get(psoc, CFG_DP_NUM_DP_RX_THREADS); |
Manjunathappa Prakash | f5b6f5f | 2019-03-27 15:17:41 -0700 | [diff] [blame] | 3156 | config->cfg_wmi_credit_cnt = cfg_get(psoc, CFG_DP_HTC_WMI_CREDIT_CNT); |
jitiphil | b03ae08 | 2018-11-09 17:41:59 +0530 | [diff] [blame] | 3157 | hdd_dp_dp_trace_cfg_update(config, psoc); |
| 3158 | hdd_dp_nud_tracking_cfg_update(config, psoc); |
jitiphil | 869b9f7 | 2018-09-25 17:14:01 +0530 | [diff] [blame] | 3159 | } |
Sravan Kumar Kairam | 10ed0e8 | 2019-08-21 20:52:09 +0530 | [diff] [blame] | 3160 | |
| 3161 | bool wlan_hdd_rx_rpm_mark_last_busy(struct hdd_context *hdd_ctx, |
| 3162 | void *hif_ctx) |
| 3163 | { |
| 3164 | uint64_t duration_us, dp_rx_busy_us, current_us; |
| 3165 | uint32_t rpm_delay_ms; |
| 3166 | |
| 3167 | if (!hif_pm_runtime_is_dp_rx_busy(hif_ctx)) |
| 3168 | return false; |
| 3169 | |
| 3170 | dp_rx_busy_us = hif_pm_runtime_get_dp_rx_busy_mark(hif_ctx); |
| 3171 | current_us = qdf_get_log_timestamp_usecs(); |
| 3172 | duration_us = (unsigned long)((ULONG_MAX - dp_rx_busy_us) + |
| 3173 | current_us + 1); |
| 3174 | rpm_delay_ms = ucfg_pmo_get_runtime_pm_delay(hdd_ctx->psoc); |
| 3175 | |
| 3176 | if ((duration_us / 1000) < rpm_delay_ms) |
| 3177 | return true; |
| 3178 | else |
| 3179 | return false; |
| 3180 | } |