| /* |
| * Copyright (c) 2012-2019 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /** |
| * DOC: wlan_hdd_tx_rx.c |
| * |
| * Linux HDD Tx/RX APIs |
| */ |
| |
| /* denote that this file does not allow legacy hddLog */ |
| #define HDD_DISALLOW_LEGACY_HDDLOG 1 |
| #include "osif_sync.h" |
| #include <wlan_hdd_tx_rx.h> |
| #include <wlan_hdd_softap_tx_rx.h> |
| #include <wlan_hdd_napi.h> |
| #include <linux/netdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/etherdevice.h> |
| #include <linux/if_ether.h> |
| #include <linux/inetdevice.h> |
| #include <cds_sched.h> |
| #include <cds_utils.h> |
| |
| #include <wlan_hdd_p2p.h> |
| #include <linux/wireless.h> |
| #include <net/cfg80211.h> |
| #include <net/ieee80211_radiotap.h> |
| #include "sap_api.h" |
| #include "wlan_hdd_wmm.h" |
| #include "wlan_hdd_tdls.h" |
| #include "wlan_hdd_ocb.h" |
| #include "wlan_hdd_lro.h" |
| #include <cdp_txrx_cmn.h> |
| #include <cdp_txrx_peer_ops.h> |
| #include <cdp_txrx_flow_ctrl_v2.h> |
| #include "wlan_hdd_nan_datapath.h" |
| #include "pld_common.h" |
| #include <cdp_txrx_misc.h> |
| #include "wlan_hdd_rx_monitor.h" |
| #include "wlan_hdd_power.h" |
| #include "wlan_hdd_cfg80211.h" |
| #include <wlan_hdd_tsf.h> |
| #include <net/tcp.h> |
| #include "wma_api.h" |
| |
| #include "wlan_hdd_nud_tracking.h" |
| #include "dp_txrx.h" |
| #include "cfg_ucfg_api.h" |
| #include "target_type.h" |
| #include "wlan_hdd_object_manager.h" |
| |
| #if defined(QCA_LL_TX_FLOW_CONTROL_V2) || defined(QCA_LL_PDEV_TX_FLOW_CONTROL) |
| /* |
| * Mapping Linux AC interpretation to SME AC. |
| * Host has 5 tx queues, 4 flow-controlled queues for regular traffic and |
| * one non-flow-controlled queue for high priority control traffic(EOPOL, DHCP). |
| * The fifth queue is mapped to AC_VO to allow for proper prioritization. |
| */ |
| const uint8_t hdd_qdisc_ac_to_tl_ac[] = { |
| SME_AC_VO, |
| SME_AC_VI, |
| SME_AC_BE, |
| SME_AC_BK, |
| SME_AC_VO, |
| }; |
| |
| #else |
| const uint8_t hdd_qdisc_ac_to_tl_ac[] = { |
| SME_AC_VO, |
| SME_AC_VI, |
| SME_AC_BE, |
| SME_AC_BK, |
| }; |
| |
| #endif |
| |
| #ifdef QCA_HL_NETDEV_FLOW_CONTROL |
| void hdd_register_hl_netdev_fc_timer(struct hdd_adapter *adapter, |
| qdf_mc_timer_callback_t timer_callback) |
| { |
| if (!adapter->tx_flow_timer_initialized) { |
| qdf_mc_timer_init(&adapter->tx_flow_control_timer, |
| QDF_TIMER_TYPE_SW, timer_callback, adapter); |
| adapter->tx_flow_timer_initialized = true; |
| } |
| } |
| |
| /** |
| * hdd_deregister_hl_netdev_fc_timer() - Deregister HL Flow Control Timer |
| * @adapter: adapter handle |
| * |
| * Return: none |
| */ |
| void hdd_deregister_hl_netdev_fc_timer(struct hdd_adapter *adapter) |
| { |
| if (adapter->tx_flow_timer_initialized) { |
| qdf_mc_timer_stop(&adapter->tx_flow_control_timer); |
| qdf_mc_timer_destroy(&adapter->tx_flow_control_timer); |
| adapter->tx_flow_timer_initialized = false; |
| } |
| } |
| |
| /** |
| * hdd_tx_resume_timer_expired_handler() - TX Q resume timer handler |
| * @adapter_context: pointer to vdev adapter |
| * |
| * Return: None |
| */ |
| void hdd_tx_resume_timer_expired_handler(void *adapter_context) |
| { |
| struct hdd_adapter *adapter = (struct hdd_adapter *)adapter_context; |
| void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| u32 p_qpaused; |
| u32 np_qpaused; |
| |
| if (!adapter) { |
| hdd_err("invalid adapter context"); |
| return; |
| } |
| |
| hdd_debug("Enabling queues"); |
| spin_lock_bh(&adapter->pause_map_lock); |
| p_qpaused = adapter->pause_map & BIT(WLAN_DATA_FLOW_CONTROL_PRIORITY); |
| np_qpaused = adapter->pause_map & BIT(WLAN_DATA_FLOW_CONTROL); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| |
| if (p_qpaused) { |
| wlan_hdd_netif_queue_control(adapter, |
| WLAN_NETIF_PRIORITY_QUEUE_ON, |
| WLAN_DATA_FLOW_CONTROL_PRIORITY); |
| cdp_hl_fc_set_os_queue_status(soc, |
| adapter->vdev_id, |
| WLAN_NETIF_PRIORITY_QUEUE_ON); |
| } |
| if (np_qpaused) { |
| wlan_hdd_netif_queue_control(adapter, |
| WLAN_WAKE_NON_PRIORITY_QUEUE, |
| WLAN_DATA_FLOW_CONTROL); |
| cdp_hl_fc_set_os_queue_status(soc, |
| adapter->vdev_id, |
| WLAN_WAKE_NON_PRIORITY_QUEUE); |
| } |
| } |
| |
| #endif /* QCA_HL_NETDEV_FLOW_CONTROL */ |
| |
| #ifdef QCA_LL_LEGACY_TX_FLOW_CONTROL |
| /** |
| * hdd_tx_resume_timer_expired_handler() - TX Q resume timer handler |
| * @adapter_context: pointer to vdev adapter |
| * |
| * If Blocked OS Q is not resumed during timeout period, to prevent |
| * permanent stall, resume OS Q forcefully. |
| * |
| * Return: None |
| */ |
| void hdd_tx_resume_timer_expired_handler(void *adapter_context) |
| { |
| struct hdd_adapter *adapter = (struct hdd_adapter *) adapter_context; |
| |
| if (!adapter) { |
| /* INVALID ARG */ |
| return; |
| } |
| |
| hdd_debug("Enabling queues"); |
| wlan_hdd_netif_queue_control(adapter, WLAN_WAKE_ALL_NETIF_QUEUE, |
| WLAN_CONTROL_PATH); |
| } |
| |
| /** |
| * hdd_tx_resume_false() - Resume OS TX Q false leads to queue disabling |
| * @adapter: pointer to hdd adapter |
| * @tx_resume: TX Q resume trigger |
| * |
| * |
| * Return: None |
| */ |
| static void |
| hdd_tx_resume_false(struct hdd_adapter *adapter, bool tx_resume) |
| { |
| if (true == tx_resume) |
| return; |
| |
| /* Pause TX */ |
| hdd_debug("Disabling queues"); |
| wlan_hdd_netif_queue_control(adapter, WLAN_STOP_ALL_NETIF_QUEUE, |
| WLAN_DATA_FLOW_CONTROL); |
| |
| if (QDF_TIMER_STATE_STOPPED == |
| qdf_mc_timer_get_current_state(&adapter-> |
| tx_flow_control_timer)) { |
| QDF_STATUS status; |
| |
| status = qdf_mc_timer_start(&adapter->tx_flow_control_timer, |
| WLAN_HDD_TX_FLOW_CONTROL_OS_Q_BLOCK_TIME); |
| |
| if (!QDF_IS_STATUS_SUCCESS(status)) |
| hdd_err("Failed to start tx_flow_control_timer"); |
| else |
| adapter->hdd_stats.tx_rx_stats.txflow_timer_cnt++; |
| } |
| |
| adapter->hdd_stats.tx_rx_stats.txflow_pause_cnt++; |
| adapter->hdd_stats.tx_rx_stats.is_txflow_paused = true; |
| } |
| |
| static inline struct sk_buff *hdd_skb_orphan(struct hdd_adapter *adapter, |
| struct sk_buff *skb) |
| { |
| struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| int need_orphan = 0; |
| |
| if (adapter->tx_flow_low_watermark > 0) { |
| #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 19, 0)) |
| /* |
| * The TCP TX throttling logic is changed a little after |
| * 3.19-rc1 kernel, the TCP sending limit will be smaller, |
| * which will throttle the TCP packets to the host driver. |
| * The TCP UP LINK throughput will drop heavily. In order to |
| * fix this issue, need to orphan the socket buffer asap, which |
| * will call skb's destructor to notify the TCP stack that the |
| * SKB buffer is unowned. And then the TCP stack will pump more |
| * packets to host driver. |
| * |
| * The TX packets might be dropped for UDP case in the iperf |
| * testing. So need to be protected by follow control. |
| */ |
| need_orphan = 1; |
| #else |
| if (hdd_ctx->config->tx_orphan_enable) |
| need_orphan = 1; |
| #endif |
| } else if (hdd_ctx->config->tx_orphan_enable) { |
| if (qdf_nbuf_is_ipv4_tcp_pkt(skb) || |
| qdf_nbuf_is_ipv6_tcp_pkt(skb)) |
| need_orphan = 1; |
| } |
| |
| if (need_orphan) { |
| skb_orphan(skb); |
| ++adapter->hdd_stats.tx_rx_stats.tx_orphaned; |
| } else |
| skb = skb_unshare(skb, GFP_ATOMIC); |
| |
| return skb; |
| } |
| |
| /** |
| * hdd_tx_resume_cb() - Resume OS TX Q. |
| * @adapter_context: pointer to vdev apdapter |
| * @tx_resume: TX Q resume trigger |
| * |
| * Q was stopped due to WLAN TX path low resource condition |
| * |
| * Return: None |
| */ |
| void hdd_tx_resume_cb(void *adapter_context, bool tx_resume) |
| { |
| struct hdd_adapter *adapter = (struct hdd_adapter *) adapter_context; |
| struct hdd_station_ctx *hdd_sta_ctx = NULL; |
| |
| if (!adapter) { |
| /* INVALID ARG */ |
| return; |
| } |
| |
| hdd_sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
| |
| /* Resume TX */ |
| if (true == tx_resume) { |
| if (QDF_TIMER_STATE_STOPPED != |
| qdf_mc_timer_get_current_state(&adapter-> |
| tx_flow_control_timer)) { |
| qdf_mc_timer_stop(&adapter->tx_flow_control_timer); |
| } |
| hdd_debug("Enabling queues"); |
| wlan_hdd_netif_queue_control(adapter, |
| WLAN_WAKE_ALL_NETIF_QUEUE, |
| WLAN_DATA_FLOW_CONTROL); |
| adapter->hdd_stats.tx_rx_stats.is_txflow_paused = false; |
| adapter->hdd_stats.tx_rx_stats.txflow_unpause_cnt++; |
| } |
| hdd_tx_resume_false(adapter, tx_resume); |
| } |
| |
| bool hdd_tx_flow_control_is_pause(void *adapter_context) |
| { |
| struct hdd_adapter *adapter = (struct hdd_adapter *) adapter_context; |
| |
| if ((!adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) { |
| /* INVALID ARG */ |
| hdd_err("invalid adapter %pK", adapter); |
| return false; |
| } |
| |
| return adapter->pause_map & (1 << WLAN_DATA_FLOW_CONTROL); |
| } |
| |
| void hdd_register_tx_flow_control(struct hdd_adapter *adapter, |
| qdf_mc_timer_callback_t timer_callback, |
| ol_txrx_tx_flow_control_fp flow_control_fp, |
| ol_txrx_tx_flow_control_is_pause_fp flow_control_is_pause_fp) |
| { |
| if (adapter->tx_flow_timer_initialized == false) { |
| qdf_mc_timer_init(&adapter->tx_flow_control_timer, |
| QDF_TIMER_TYPE_SW, |
| timer_callback, |
| adapter); |
| adapter->tx_flow_timer_initialized = true; |
| } |
| cdp_fc_register(cds_get_context(QDF_MODULE_ID_SOC), |
| adapter->vdev_id, flow_control_fp, adapter, |
| flow_control_is_pause_fp); |
| } |
| |
| /** |
| * hdd_deregister_tx_flow_control() - Deregister TX Flow control |
| * @adapter: adapter handle |
| * |
| * Return: none |
| */ |
| void hdd_deregister_tx_flow_control(struct hdd_adapter *adapter) |
| { |
| cdp_fc_deregister(cds_get_context(QDF_MODULE_ID_SOC), |
| adapter->vdev_id); |
| if (adapter->tx_flow_timer_initialized == true) { |
| qdf_mc_timer_stop(&adapter->tx_flow_control_timer); |
| qdf_mc_timer_destroy(&adapter->tx_flow_control_timer); |
| adapter->tx_flow_timer_initialized = false; |
| } |
| } |
| |
| /** |
| * hdd_get_tx_resource() - check tx resources and take action |
| * @adapter: adapter handle |
| * @STAId: station id |
| * @timer_value: timer value |
| * |
| * Return: none |
| */ |
| void hdd_get_tx_resource(struct hdd_adapter *adapter, |
| uint8_t STAId, uint16_t timer_value) |
| { |
| if (false == |
| cdp_fc_get_tx_resource(cds_get_context(QDF_MODULE_ID_SOC), STAId, |
| adapter->tx_flow_low_watermark, |
| adapter->tx_flow_hi_watermark_offset)) { |
| hdd_debug("Disabling queues lwm %d hwm offset %d", |
| adapter->tx_flow_low_watermark, |
| adapter->tx_flow_hi_watermark_offset); |
| wlan_hdd_netif_queue_control(adapter, WLAN_STOP_ALL_NETIF_QUEUE, |
| WLAN_DATA_FLOW_CONTROL); |
| if ((adapter->tx_flow_timer_initialized == true) && |
| (QDF_TIMER_STATE_STOPPED == |
| qdf_mc_timer_get_current_state(&adapter-> |
| tx_flow_control_timer))) { |
| qdf_mc_timer_start(&adapter->tx_flow_control_timer, |
| timer_value); |
| adapter->hdd_stats.tx_rx_stats.txflow_timer_cnt++; |
| adapter->hdd_stats.tx_rx_stats.txflow_pause_cnt++; |
| adapter->hdd_stats.tx_rx_stats.is_txflow_paused = true; |
| } |
| } |
| } |
| |
| #else |
| /** |
| * hdd_skb_orphan() - skb_unshare a cloned packed else skb_orphan |
| * @adapter: pointer to HDD adapter |
| * @skb: pointer to skb data packet |
| * |
| * Return: pointer to skb structure |
| */ |
| static inline struct sk_buff *hdd_skb_orphan(struct hdd_adapter *adapter, |
| struct sk_buff *skb) { |
| |
| struct sk_buff *nskb; |
| #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 19, 0)) |
| struct hdd_context *hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| #endif |
| |
| hdd_skb_fill_gso_size(adapter->dev, skb); |
| |
| nskb = skb_unshare(skb, GFP_ATOMIC); |
| #if (LINUX_VERSION_CODE > KERNEL_VERSION(3, 19, 0)) |
| if (unlikely(hdd_ctx->config->tx_orphan_enable) && (nskb == skb)) { |
| /* |
| * For UDP packets we want to orphan the packet to allow the app |
| * to send more packets. The flow would ultimately be controlled |
| * by the limited number of tx descriptors for the vdev. |
| */ |
| ++adapter->hdd_stats.tx_rx_stats.tx_orphaned; |
| skb_orphan(skb); |
| } |
| #endif |
| return nskb; |
| } |
| #endif /* QCA_LL_LEGACY_TX_FLOW_CONTROL */ |
| |
| uint32_t hdd_txrx_get_tx_ack_count(struct hdd_adapter *adapter) |
| { |
| return cdp_get_tx_ack_stats(cds_get_context(QDF_MODULE_ID_SOC), |
| cds_get_context(QDF_MODULE_ID_TXRX), |
| adapter->vdev_id); |
| } |
| |
| #ifdef FEATURE_WLAN_DIAG_SUPPORT |
| /** |
| * qdf_event_eapol_log() - send event to wlan diag |
| * @skb: skb ptr |
| * @dir: direction |
| * @eapol_key_info: eapol key info |
| * |
| * Return: None |
| */ |
| void hdd_event_eapol_log(struct sk_buff *skb, enum qdf_proto_dir dir) |
| { |
| int16_t eapol_key_info; |
| |
| WLAN_HOST_DIAG_EVENT_DEF(wlan_diag_event, struct host_event_wlan_eapol); |
| |
| if ((dir == QDF_TX && |
| (QDF_NBUF_CB_PACKET_TYPE_EAPOL != |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb)))) |
| return; |
| else if (!qdf_nbuf_is_ipv4_eapol_pkt(skb)) |
| return; |
| |
| eapol_key_info = (uint16_t)(*(uint16_t *) |
| (skb->data + EAPOL_KEY_INFO_OFFSET)); |
| |
| wlan_diag_event.event_sub_type = |
| (dir == QDF_TX ? |
| WIFI_EVENT_DRIVER_EAPOL_FRAME_TRANSMIT_REQUESTED : |
| WIFI_EVENT_DRIVER_EAPOL_FRAME_RECEIVED); |
| wlan_diag_event.eapol_packet_type = (uint8_t)(*(uint8_t *) |
| (skb->data + EAPOL_PACKET_TYPE_OFFSET)); |
| wlan_diag_event.eapol_key_info = eapol_key_info; |
| wlan_diag_event.eapol_rate = 0; |
| qdf_mem_copy(wlan_diag_event.dest_addr, |
| (skb->data + QDF_NBUF_DEST_MAC_OFFSET), |
| sizeof(wlan_diag_event.dest_addr)); |
| qdf_mem_copy(wlan_diag_event.src_addr, |
| (skb->data + QDF_NBUF_SRC_MAC_OFFSET), |
| sizeof(wlan_diag_event.src_addr)); |
| |
| WLAN_HOST_DIAG_EVENT_REPORT(&wlan_diag_event, EVENT_WLAN_EAPOL); |
| } |
| #endif /* FEATURE_WLAN_DIAG_SUPPORT */ |
| |
| /** |
| * wlan_hdd_classify_pkt() - classify packet |
| * @skb - sk buff |
| * |
| * Return: none |
| */ |
| void wlan_hdd_classify_pkt(struct sk_buff *skb) |
| { |
| struct ethhdr *eh = (struct ethhdr *)skb->data; |
| |
| qdf_mem_zero(skb->cb, sizeof(skb->cb)); |
| |
| /* check destination mac address is broadcast/multicast */ |
| if (is_broadcast_ether_addr((uint8_t *)eh)) |
| QDF_NBUF_CB_GET_IS_BCAST(skb) = true; |
| else if (is_multicast_ether_addr((uint8_t *)eh)) |
| QDF_NBUF_CB_GET_IS_MCAST(skb) = true; |
| |
| if (qdf_nbuf_is_ipv4_arp_pkt(skb)) |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| QDF_NBUF_CB_PACKET_TYPE_ARP; |
| else if (qdf_nbuf_is_ipv4_dhcp_pkt(skb)) |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| QDF_NBUF_CB_PACKET_TYPE_DHCP; |
| else if (qdf_nbuf_is_ipv4_eapol_pkt(skb)) |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| QDF_NBUF_CB_PACKET_TYPE_EAPOL; |
| else if (qdf_nbuf_is_ipv4_wapi_pkt(skb)) |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| QDF_NBUF_CB_PACKET_TYPE_WAPI; |
| else if (qdf_nbuf_is_icmp_pkt(skb)) |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| QDF_NBUF_CB_PACKET_TYPE_ICMP; |
| else if (qdf_nbuf_is_icmpv6_pkt(skb)) |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb) = |
| QDF_NBUF_CB_PACKET_TYPE_ICMPv6; |
| } |
| |
| /** |
| * hdd_get_transmit_sta_id() - function to retrieve station id to be used for |
| * sending traffic towards a particular destination address. The destination |
| * address can be unicast, multicast or broadcast |
| * |
| * @adapter: Handle to adapter context |
| * @dst_addr: Destination address |
| * @station_id: station id |
| * |
| * Returns: None |
| */ |
| static void hdd_get_transmit_sta_id(struct hdd_adapter *adapter, |
| struct sk_buff *skb, uint8_t *station_id) |
| { |
| bool mcbc_addr = false; |
| QDF_STATUS status; |
| struct hdd_station_ctx *sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
| struct qdf_mac_addr *dst_addr = NULL; |
| |
| dst_addr = (struct qdf_mac_addr *)skb->data; |
| status = hdd_get_peer_sta_id(sta_ctx, dst_addr, station_id); |
| if (QDF_IS_STATUS_ERROR(status)) { |
| if (QDF_NBUF_CB_GET_IS_BCAST(skb) || |
| QDF_NBUF_CB_GET_IS_MCAST(skb)) { |
| hdd_debug("Received MC/BC packet for transmission"); |
| mcbc_addr = true; |
| } |
| } |
| |
| if (adapter->device_mode == QDF_IBSS_MODE || |
| adapter->device_mode == QDF_NDI_MODE) { |
| /* |
| * This check is necessary to make sure station id is not |
| * overwritten for UC traffic in IBSS or NDI mode |
| */ |
| if (mcbc_addr) |
| *station_id = sta_ctx->broadcast_sta_id; |
| } else { |
| /* For the rest, traffic is directed to AP/P2P GO */ |
| if (eConnectionState_Associated == sta_ctx->conn_info.conn_state) |
| *station_id = sta_ctx->conn_info.sta_id[0]; |
| } |
| } |
| |
| /** |
| * hdd_clear_tx_rx_connectivity_stats() - clear connectivity stats |
| * @hdd_ctx: pointer to HDD Station Context |
| * |
| * Return: None |
| */ |
| static void hdd_clear_tx_rx_connectivity_stats(struct hdd_adapter *adapter) |
| { |
| hdd_info("Clear txrx connectivity stats"); |
| qdf_mem_zero(&adapter->hdd_stats.hdd_arp_stats, |
| sizeof(adapter->hdd_stats.hdd_arp_stats)); |
| qdf_mem_zero(&adapter->hdd_stats.hdd_dns_stats, |
| sizeof(adapter->hdd_stats.hdd_dns_stats)); |
| qdf_mem_zero(&adapter->hdd_stats.hdd_tcp_stats, |
| sizeof(adapter->hdd_stats.hdd_tcp_stats)); |
| qdf_mem_zero(&adapter->hdd_stats.hdd_icmpv4_stats, |
| sizeof(adapter->hdd_stats.hdd_icmpv4_stats)); |
| adapter->pkt_type_bitmap = 0; |
| adapter->track_arp_ip = 0; |
| qdf_mem_zero(adapter->dns_payload, adapter->track_dns_domain_len); |
| adapter->track_dns_domain_len = 0; |
| adapter->track_src_port = 0; |
| adapter->track_dest_port = 0; |
| adapter->track_dest_ipv4 = 0; |
| } |
| |
| void hdd_reset_all_adapters_connectivity_stats(struct hdd_context *hdd_ctx) |
| { |
| struct hdd_adapter *adapter = NULL, *next = NULL; |
| QDF_STATUS status; |
| |
| hdd_enter(); |
| |
| status = hdd_get_front_adapter(hdd_ctx, &adapter); |
| |
| while (adapter && QDF_STATUS_SUCCESS == status) { |
| hdd_clear_tx_rx_connectivity_stats(adapter); |
| status = hdd_get_next_adapter(hdd_ctx, adapter, &next); |
| adapter = next; |
| } |
| |
| hdd_exit(); |
| } |
| |
| /** |
| * hdd_is_tx_allowed() - check if Tx is allowed based on current peer state |
| * @skb: pointer to OS packet (sk_buff) |
| * @peer_id: Peer STA ID in peer table |
| * |
| * This function gets the peer state from DP and check if it is either |
| * in OL_TXRX_PEER_STATE_CONN or OL_TXRX_PEER_STATE_AUTH. Only EAP packets |
| * are allowed when peer_state is OL_TXRX_PEER_STATE_CONN. All packets |
| * allowed when peer_state is OL_TXRX_PEER_STATE_AUTH. |
| * |
| * Return: true if Tx is allowed and false otherwise. |
| */ |
| static inline bool hdd_is_tx_allowed(struct sk_buff *skb, uint8_t peer_id) |
| { |
| enum ol_txrx_peer_state peer_state; |
| void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| void *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| void *peer; |
| |
| QDF_BUG(soc); |
| QDF_BUG(pdev); |
| |
| peer = cdp_peer_find_by_local_id(soc, pdev, peer_id); |
| |
| if (!peer) { |
| hdd_err_rl("Unable to find peer entry for sta_id: %d", peer_id); |
| return false; |
| } |
| |
| peer_state = cdp_peer_state_get(soc, peer); |
| if (likely(OL_TXRX_PEER_STATE_AUTH == peer_state)) |
| return true; |
| if (OL_TXRX_PEER_STATE_CONN == peer_state && |
| (ntohs(skb->protocol) == HDD_ETHERTYPE_802_1_X |
| || IS_HDD_ETHERTYPE_WAI(skb))) |
| return true; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| FL("Invalid peer state for Tx: %d"), peer_state); |
| return false; |
| } |
| |
| /** |
| * hdd_tx_rx_is_dns_domain_name_match() - function to check whether dns |
| * domain name in the received skb matches with the tracking dns domain |
| * name or not |
| * |
| * @skb: pointer to skb |
| * @adapter: pointer to adapter |
| * |
| * Returns: true if matches else false |
| */ |
| static bool hdd_tx_rx_is_dns_domain_name_match(struct sk_buff *skb, |
| struct hdd_adapter *adapter) |
| { |
| uint8_t *domain_name; |
| |
| if (adapter->track_dns_domain_len == 0) |
| return false; |
| |
| /* check OOB , is strncmp accessing data more than skb->len */ |
| if ((adapter->track_dns_domain_len + |
| QDF_NBUF_PKT_DNS_NAME_OVER_UDP_OFFSET) > qdf_nbuf_len(skb)) |
| return false; |
| |
| domain_name = qdf_nbuf_get_dns_domain_name(skb, |
| adapter->track_dns_domain_len); |
| if (strncmp(domain_name, adapter->dns_payload, |
| adapter->track_dns_domain_len) == 0) |
| return true; |
| else |
| return false; |
| } |
| |
| void hdd_tx_rx_collect_connectivity_stats_info(struct sk_buff *skb, |
| void *context, |
| enum connectivity_stats_pkt_status action, |
| uint8_t *pkt_type) |
| { |
| uint32_t pkt_type_bitmap; |
| struct hdd_adapter *adapter = NULL; |
| |
| adapter = (struct hdd_adapter *)context; |
| if (unlikely(adapter->magic != WLAN_HDD_ADAPTER_MAGIC)) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| "Magic cookie(%x) for adapter sanity verification is invalid", |
| adapter->magic); |
| return; |
| } |
| |
| /* ARP tracking is done already. */ |
| pkt_type_bitmap = adapter->pkt_type_bitmap; |
| pkt_type_bitmap &= ~CONNECTIVITY_CHECK_SET_ARP; |
| |
| if (!pkt_type_bitmap) |
| return; |
| |
| switch (action) { |
| case PKT_TYPE_REQ: |
| case PKT_TYPE_TX_HOST_FW_SENT: |
| if (qdf_nbuf_is_icmp_pkt(skb)) { |
| if (qdf_nbuf_data_is_icmpv4_req(skb) && |
| (adapter->track_dest_ipv4 == |
| qdf_nbuf_get_icmpv4_tgt_ip(skb))) { |
| *pkt_type = CONNECTIVITY_CHECK_SET_ICMPV4; |
| if (action == PKT_TYPE_REQ) { |
| ++adapter->hdd_stats.hdd_icmpv4_stats. |
| tx_icmpv4_req_count; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : ICMPv4 Req packet", |
| __func__); |
| } else |
| /* host receives tx completion */ |
| ++adapter->hdd_stats.hdd_icmpv4_stats. |
| tx_host_fw_sent; |
| } |
| } else if (qdf_nbuf_is_ipv4_tcp_pkt(skb)) { |
| if (qdf_nbuf_data_is_tcp_syn(skb) && |
| (adapter->track_dest_port == |
| qdf_nbuf_data_get_tcp_dst_port(skb))) { |
| *pkt_type = CONNECTIVITY_CHECK_SET_TCP_SYN; |
| if (action == PKT_TYPE_REQ) { |
| ++adapter->hdd_stats.hdd_tcp_stats. |
| tx_tcp_syn_count; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : TCP Syn packet", |
| __func__); |
| } else |
| /* host receives tx completion */ |
| ++adapter->hdd_stats.hdd_tcp_stats. |
| tx_tcp_syn_host_fw_sent; |
| } else if ((adapter->hdd_stats.hdd_tcp_stats. |
| is_tcp_syn_ack_rcv || adapter->hdd_stats. |
| hdd_tcp_stats.is_tcp_ack_sent) && |
| qdf_nbuf_data_is_tcp_ack(skb) && |
| (adapter->track_dest_port == |
| qdf_nbuf_data_get_tcp_dst_port(skb))) { |
| *pkt_type = CONNECTIVITY_CHECK_SET_TCP_ACK; |
| if (action == PKT_TYPE_REQ && |
| adapter->hdd_stats.hdd_tcp_stats. |
| is_tcp_syn_ack_rcv) { |
| ++adapter->hdd_stats.hdd_tcp_stats. |
| tx_tcp_ack_count; |
| adapter->hdd_stats.hdd_tcp_stats. |
| is_tcp_syn_ack_rcv = false; |
| adapter->hdd_stats.hdd_tcp_stats. |
| is_tcp_ack_sent = true; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : TCP Ack packet", |
| __func__); |
| } else if (action == PKT_TYPE_TX_HOST_FW_SENT && |
| adapter->hdd_stats.hdd_tcp_stats. |
| is_tcp_ack_sent) { |
| /* host receives tx completion */ |
| ++adapter->hdd_stats.hdd_tcp_stats. |
| tx_tcp_ack_host_fw_sent; |
| adapter->hdd_stats.hdd_tcp_stats. |
| is_tcp_ack_sent = false; |
| } |
| } |
| } else if (qdf_nbuf_is_ipv4_udp_pkt(skb)) { |
| if (qdf_nbuf_data_is_dns_query(skb) && |
| hdd_tx_rx_is_dns_domain_name_match(skb, adapter)) { |
| *pkt_type = CONNECTIVITY_CHECK_SET_DNS; |
| if (action == PKT_TYPE_REQ) { |
| ++adapter->hdd_stats.hdd_dns_stats. |
| tx_dns_req_count; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : DNS query packet", |
| __func__); |
| } else |
| /* host receives tx completion */ |
| ++adapter->hdd_stats.hdd_dns_stats. |
| tx_host_fw_sent; |
| } |
| } |
| break; |
| |
| case PKT_TYPE_RSP: |
| if (qdf_nbuf_is_icmp_pkt(skb)) { |
| if (qdf_nbuf_data_is_icmpv4_rsp(skb) && |
| (adapter->track_dest_ipv4 == |
| qdf_nbuf_get_icmpv4_src_ip(skb))) { |
| ++adapter->hdd_stats.hdd_icmpv4_stats. |
| rx_icmpv4_rsp_count; |
| *pkt_type = |
| CONNECTIVITY_CHECK_SET_ICMPV4; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : ICMPv4 Res packet", __func__); |
| } |
| } else if (qdf_nbuf_is_ipv4_tcp_pkt(skb)) { |
| if (qdf_nbuf_data_is_tcp_syn_ack(skb) && |
| (adapter->track_dest_port == |
| qdf_nbuf_data_get_tcp_src_port(skb))) { |
| ++adapter->hdd_stats.hdd_tcp_stats. |
| rx_tcp_syn_ack_count; |
| adapter->hdd_stats.hdd_tcp_stats. |
| is_tcp_syn_ack_rcv = true; |
| *pkt_type = |
| CONNECTIVITY_CHECK_SET_TCP_SYN_ACK; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : TCP Syn ack packet", __func__); |
| } |
| } else if (qdf_nbuf_is_ipv4_udp_pkt(skb)) { |
| if (qdf_nbuf_data_is_dns_response(skb) && |
| hdd_tx_rx_is_dns_domain_name_match(skb, adapter)) { |
| ++adapter->hdd_stats.hdd_dns_stats. |
| rx_dns_rsp_count; |
| *pkt_type = CONNECTIVITY_CHECK_SET_DNS; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : DNS response packet", __func__); |
| } |
| } |
| break; |
| |
| case PKT_TYPE_TX_DROPPED: |
| switch (*pkt_type) { |
| case CONNECTIVITY_CHECK_SET_ICMPV4: |
| ++adapter->hdd_stats.hdd_icmpv4_stats.tx_dropped; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : ICMPv4 Req packet dropped", __func__); |
| break; |
| case CONNECTIVITY_CHECK_SET_TCP_SYN: |
| ++adapter->hdd_stats.hdd_tcp_stats.tx_tcp_syn_dropped; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : TCP syn packet dropped", __func__); |
| break; |
| case CONNECTIVITY_CHECK_SET_TCP_ACK: |
| ++adapter->hdd_stats.hdd_tcp_stats.tx_tcp_ack_dropped; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : TCP ack packet dropped", __func__); |
| break; |
| case CONNECTIVITY_CHECK_SET_DNS: |
| ++adapter->hdd_stats.hdd_dns_stats.tx_dropped; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : DNS query packet dropped", __func__); |
| break; |
| default: |
| break; |
| } |
| break; |
| case PKT_TYPE_RX_DELIVERED: |
| switch (*pkt_type) { |
| case CONNECTIVITY_CHECK_SET_ICMPV4: |
| ++adapter->hdd_stats.hdd_icmpv4_stats.rx_delivered; |
| break; |
| case CONNECTIVITY_CHECK_SET_TCP_SYN_ACK: |
| ++adapter->hdd_stats.hdd_tcp_stats.rx_delivered; |
| break; |
| case CONNECTIVITY_CHECK_SET_DNS: |
| ++adapter->hdd_stats.hdd_dns_stats.rx_delivered; |
| break; |
| default: |
| break; |
| } |
| break; |
| case PKT_TYPE_RX_REFUSED: |
| switch (*pkt_type) { |
| case CONNECTIVITY_CHECK_SET_ICMPV4: |
| ++adapter->hdd_stats.hdd_icmpv4_stats.rx_refused; |
| break; |
| case CONNECTIVITY_CHECK_SET_TCP_SYN_ACK: |
| ++adapter->hdd_stats.hdd_tcp_stats.rx_refused; |
| break; |
| case CONNECTIVITY_CHECK_SET_DNS: |
| ++adapter->hdd_stats.hdd_dns_stats.rx_refused; |
| break; |
| default: |
| break; |
| } |
| break; |
| case PKT_TYPE_TX_ACK_CNT: |
| switch (*pkt_type) { |
| case CONNECTIVITY_CHECK_SET_ICMPV4: |
| ++adapter->hdd_stats.hdd_icmpv4_stats.tx_ack_cnt; |
| break; |
| case CONNECTIVITY_CHECK_SET_TCP_SYN: |
| ++adapter->hdd_stats.hdd_tcp_stats.tx_tcp_syn_ack_cnt; |
| break; |
| case CONNECTIVITY_CHECK_SET_TCP_ACK: |
| ++adapter->hdd_stats.hdd_tcp_stats.tx_tcp_ack_ack_cnt; |
| break; |
| case CONNECTIVITY_CHECK_SET_DNS: |
| ++adapter->hdd_stats.hdd_dns_stats.tx_ack_cnt; |
| break; |
| default: |
| break; |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * __hdd_hard_start_xmit() - Transmit a frame |
| * @skb: pointer to OS packet (sk_buff) |
| * @dev: pointer to network device |
| * |
| * Function registered with the Linux OS for transmitting |
| * packets. This version of the function directly passes |
| * the packet to Transport Layer. |
| * In case of any packet drop or error, log the error with |
| * INFO HIGH/LOW/MEDIUM to avoid excessive logging in kmsg. |
| * |
| * Return: None |
| */ |
| static void __hdd_hard_start_xmit(struct sk_buff *skb, |
| struct net_device *dev) |
| { |
| QDF_STATUS status; |
| sme_ac_enum_type ac; |
| enum sme_qos_wmmuptype up; |
| struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| bool granted; |
| uint8_t STAId; |
| struct hdd_station_ctx *sta_ctx = &adapter->session.station; |
| struct qdf_mac_addr *mac_addr; |
| uint8_t pkt_type = 0; |
| bool is_arp = false; |
| struct wlan_objmgr_vdev *vdev; |
| |
| #ifdef QCA_WIFI_FTM |
| if (hdd_get_conparam() == QDF_GLOBAL_FTM_MODE) { |
| kfree_skb(skb); |
| return; |
| } |
| #endif |
| |
| ++adapter->hdd_stats.tx_rx_stats.tx_called; |
| adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt = 0; |
| |
| if (cds_is_driver_recovering() || cds_is_driver_in_bad_state() || |
| cds_is_load_or_unload_in_progress()) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| "Recovery/(Un)load in progress, dropping the packet"); |
| goto drop_pkt; |
| } |
| |
| wlan_hdd_classify_pkt(skb); |
| if (QDF_NBUF_CB_GET_PACKET_TYPE(skb) == QDF_NBUF_CB_PACKET_TYPE_ARP) { |
| is_arp = true; |
| if (qdf_nbuf_data_is_arp_req(skb) && |
| (adapter->track_arp_ip == qdf_nbuf_get_arp_tgt_ip(skb))) { |
| ++adapter->hdd_stats.hdd_arp_stats.tx_arp_req_count; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : ARP packet", __func__); |
| } |
| } |
| /* track connectivity stats */ |
| if (adapter->pkt_type_bitmap) |
| hdd_tx_rx_collect_connectivity_stats_info(skb, adapter, |
| PKT_TYPE_REQ, &pkt_type); |
| |
| if (cds_is_driver_recovering()) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_WARN, |
| "Recovery in progress, dropping the packet"); |
| goto drop_pkt; |
| } |
| |
| STAId = HDD_WLAN_INVALID_STA_ID; |
| |
| hdd_get_transmit_sta_id(adapter, skb, &STAId); |
| if (STAId >= WLAN_MAX_STA_COUNT) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| "Invalid station id, transmit operation suspended"); |
| goto drop_pkt; |
| } |
| |
| hdd_get_tx_resource(adapter, STAId, |
| WLAN_HDD_TX_FLOW_CONTROL_OS_Q_BLOCK_TIME); |
| |
| /* Get TL AC corresponding to Qdisc queue index/AC. */ |
| ac = hdd_qdisc_ac_to_tl_ac[skb->queue_mapping]; |
| |
| if (!qdf_nbuf_ipa_owned_get(skb)) { |
| skb = hdd_skb_orphan(adapter, skb); |
| if (!skb) |
| goto drop_pkt_accounting; |
| } |
| |
| /* |
| * Add SKB to internal tracking table before further processing |
| * in WLAN driver. |
| */ |
| qdf_net_buf_debug_acquire_skb(skb, __FILE__, __LINE__); |
| |
| /* |
| * user priority from IP header, which is already extracted and set from |
| * select_queue call back function |
| */ |
| up = skb->priority; |
| |
| ++adapter->hdd_stats.tx_rx_stats.tx_classified_ac[ac]; |
| #ifdef HDD_WMM_DEBUG |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_DEBUG, |
| "%s: Classified as ac %d up %d", __func__, ac, up); |
| #endif /* HDD_WMM_DEBUG */ |
| |
| if (HDD_PSB_CHANGED == adapter->psb_changed) { |
| /* |
| * Function which will determine acquire admittance for a |
| * WMM AC is required or not based on psb configuration done |
| * in the framework |
| */ |
| hdd_wmm_acquire_access_required(adapter, ac); |
| } |
| /* |
| * Make sure we already have access to this access category |
| * or it is EAPOL or WAPI frame during initial authentication which |
| * can have artifically boosted higher qos priority. |
| */ |
| |
| if (((adapter->psb_changed & (1 << ac)) && |
| likely(adapter->hdd_wmm_status.ac_status[ac]. |
| is_access_allowed)) || |
| ((sta_ctx->conn_info.is_authenticated == false) && |
| (QDF_NBUF_CB_PACKET_TYPE_EAPOL == |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb) || |
| QDF_NBUF_CB_PACKET_TYPE_WAPI == |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb)))) { |
| granted = true; |
| } else { |
| status = hdd_wmm_acquire_access(adapter, ac, &granted); |
| adapter->psb_changed |= (1 << ac); |
| } |
| |
| if (!granted) { |
| bool isDefaultAc = false; |
| /* |
| * ADDTS request for this AC is sent, for now |
| * send this packet through next available lower |
| * Access category until ADDTS negotiation completes. |
| */ |
| while (!likely |
| (adapter->hdd_wmm_status.ac_status[ac]. |
| is_access_allowed)) { |
| switch (ac) { |
| case SME_AC_VO: |
| ac = SME_AC_VI; |
| up = SME_QOS_WMM_UP_VI; |
| break; |
| case SME_AC_VI: |
| ac = SME_AC_BE; |
| up = SME_QOS_WMM_UP_BE; |
| break; |
| case SME_AC_BE: |
| ac = SME_AC_BK; |
| up = SME_QOS_WMM_UP_BK; |
| break; |
| default: |
| ac = SME_AC_BK; |
| up = SME_QOS_WMM_UP_BK; |
| isDefaultAc = true; |
| break; |
| } |
| if (isDefaultAc) |
| break; |
| } |
| skb->priority = up; |
| skb->queue_mapping = hdd_linux_up_to_ac_map[up]; |
| } |
| |
| adapter->stats.tx_bytes += skb->len; |
| |
| mac_addr = (struct qdf_mac_addr *)skb->data; |
| |
| vdev = hdd_objmgr_get_vdev(adapter); |
| if (vdev) { |
| ucfg_tdls_update_tx_pkt_cnt(vdev, mac_addr); |
| hdd_objmgr_put_vdev(vdev); |
| } |
| |
| if (qdf_nbuf_is_tso(skb)) |
| adapter->stats.tx_packets += qdf_nbuf_get_tso_num_seg(skb); |
| else |
| ++adapter->stats.tx_packets; |
| |
| hdd_event_eapol_log(skb, QDF_TX); |
| QDF_NBUF_CB_TX_PACKET_TRACK(skb) = QDF_NBUF_TX_PKT_DATA_TRACK; |
| QDF_NBUF_UPDATE_TX_PKT_COUNT(skb, QDF_NBUF_TX_PKT_HDD); |
| |
| qdf_dp_trace_set_track(skb, QDF_TX); |
| |
| DPTRACE(qdf_dp_trace(skb, QDF_DP_TRACE_HDD_TX_PACKET_PTR_RECORD, |
| QDF_TRACE_DEFAULT_PDEV_ID, qdf_nbuf_data_addr(skb), |
| sizeof(qdf_nbuf_data(skb)), |
| QDF_TX)); |
| |
| if (!hdd_is_tx_allowed(skb, STAId)) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| FL("Tx not allowed for sta_id: %d"), STAId); |
| ++adapter->hdd_stats.tx_rx_stats.tx_dropped_ac[ac]; |
| goto drop_pkt_and_release_skb; |
| } |
| |
| /* check whether need to linearize skb, like non-linear udp data */ |
| if (hdd_skb_nontso_linearize(skb) != QDF_STATUS_SUCCESS) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s: skb %pK linearize failed. drop the pkt", |
| __func__, skb); |
| ++adapter->hdd_stats.tx_rx_stats.tx_dropped_ac[ac]; |
| goto drop_pkt_and_release_skb; |
| } |
| |
| /* |
| * If a transmit function is not registered, drop packet |
| */ |
| if (!adapter->tx_fn) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_SAP_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s: TX function not registered by the data path", |
| __func__); |
| ++adapter->hdd_stats.tx_rx_stats.tx_dropped_ac[ac]; |
| goto drop_pkt_and_release_skb; |
| } |
| |
| if (adapter->tx_fn(adapter->txrx_vdev, |
| (qdf_nbuf_t)skb) != NULL) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s: Failed to send packet to txrx for sta_id: %d", |
| __func__, STAId); |
| ++adapter->hdd_stats.tx_rx_stats.tx_dropped_ac[ac]; |
| goto drop_pkt_and_release_skb; |
| } |
| |
| netif_trans_update(dev); |
| |
| return; |
| |
| drop_pkt_and_release_skb: |
| qdf_net_buf_debug_release_skb(skb); |
| drop_pkt: |
| |
| /* track connectivity stats */ |
| if (adapter->pkt_type_bitmap) |
| hdd_tx_rx_collect_connectivity_stats_info(skb, adapter, |
| PKT_TYPE_TX_DROPPED, |
| &pkt_type); |
| qdf_dp_trace_data_pkt(skb, QDF_TRACE_DEFAULT_PDEV_ID, |
| QDF_DP_TRACE_DROP_PACKET_RECORD, 0, |
| QDF_TX); |
| kfree_skb(skb); |
| |
| drop_pkt_accounting: |
| |
| ++adapter->stats.tx_dropped; |
| ++adapter->hdd_stats.tx_rx_stats.tx_dropped; |
| if (is_arp) { |
| ++adapter->hdd_stats.hdd_arp_stats.tx_dropped; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_INFO_HIGH, |
| "%s : ARP packet dropped", __func__); |
| } |
| } |
| |
| /** |
| * hdd_hard_start_xmit() - Wrapper function to protect |
| * __hdd_hard_start_xmit from SSR |
| * @skb: pointer to OS packet |
| * @net_dev: pointer to net_device structure |
| * |
| * Function called by OS if any packet needs to transmit. |
| * |
| * Return: Always returns NETDEV_TX_OK |
| */ |
| netdev_tx_t hdd_hard_start_xmit(struct sk_buff *skb, struct net_device *net_dev) |
| { |
| struct osif_vdev_sync *vdev_sync; |
| |
| if (osif_vdev_sync_op_start(net_dev, &vdev_sync)) |
| return NETDEV_TX_OK; |
| |
| __hdd_hard_start_xmit(skb, net_dev); |
| |
| osif_vdev_sync_op_stop(vdev_sync); |
| |
| return NETDEV_TX_OK; |
| } |
| |
| QDF_STATUS hdd_get_peer_sta_id(struct hdd_station_ctx *sta_ctx, |
| struct qdf_mac_addr *mac_address, |
| uint8_t *sta_id) |
| { |
| uint8_t idx; |
| |
| for (idx = 0; idx < MAX_PEERS; idx++) { |
| if (!qdf_mem_cmp(&sta_ctx->conn_info.peer_macaddr[idx], |
| mac_address, QDF_MAC_ADDR_SIZE)) { |
| *sta_id = sta_ctx->conn_info.sta_id[idx]; |
| return QDF_STATUS_SUCCESS; |
| } |
| } |
| |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| /** |
| * __hdd_tx_timeout() - TX timeout handler |
| * @dev: pointer to network device |
| * |
| * This function is registered as a netdev ndo_tx_timeout method, and |
| * is invoked by the kernel if the driver takes too long to transmit a |
| * frame. |
| * |
| * Return: None |
| */ |
| static void __hdd_tx_timeout(struct net_device *dev) |
| { |
| struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| struct hdd_context *hdd_ctx; |
| struct netdev_queue *txq; |
| void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| u64 diff_jiffies; |
| int i = 0; |
| |
| hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| |
| if (hdd_ctx->hdd_wlan_suspended) { |
| hdd_debug("Device is suspended, ignore WD timeout"); |
| return; |
| } |
| |
| TX_TIMEOUT_TRACE(dev, QDF_MODULE_ID_HDD_DATA); |
| DPTRACE(qdf_dp_trace(NULL, QDF_DP_TRACE_HDD_TX_TIMEOUT, |
| QDF_TRACE_DEFAULT_PDEV_ID, |
| NULL, 0, QDF_TX)); |
| |
| /* Getting here implies we disabled the TX queues for too |
| * long. Queues are disabled either because of disassociation |
| * or low resource scenarios. In case of disassociation it is |
| * ok to ignore this. But if associated, we have do possible |
| * recovery here |
| */ |
| |
| for (i = 0; i < NUM_TX_QUEUES; i++) { |
| txq = netdev_get_tx_queue(dev, i); |
| hdd_info("Queue: %d status: %d txq->trans_start: %lu", |
| i, netif_tx_queue_stopped(txq), txq->trans_start); |
| } |
| |
| hdd_info("carrier state: %d", netif_carrier_ok(dev)); |
| |
| wlan_hdd_display_netif_queue_history(hdd_ctx, |
| QDF_STATS_VERBOSITY_LEVEL_HIGH); |
| cdp_dump_flow_pool_info(cds_get_context(QDF_MODULE_ID_SOC)); |
| |
| ++adapter->hdd_stats.tx_rx_stats.tx_timeout_cnt; |
| ++adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt; |
| |
| diff_jiffies = jiffies - |
| adapter->hdd_stats.tx_rx_stats.jiffies_last_txtimeout; |
| |
| if ((adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt > 1) && |
| (diff_jiffies > (HDD_TX_TIMEOUT * 2))) { |
| /* |
| * In case when there is no traffic is running, it may |
| * possible tx time-out may once happen and later system |
| * recovered then continuous tx timeout count has to be |
| * reset as it is gets modified only when traffic is running. |
| * If over a period of time if this count reaches to threshold |
| * then host triggers a false subsystem restart. In genuine |
| * time out case kernel will call the tx time-out back to back |
| * at interval of HDD_TX_TIMEOUT. Here now check if previous |
| * TX TIME out has occurred more than twice of HDD_TX_TIMEOUT |
| * back then host may recovered here from data stall. |
| */ |
| adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt = 0; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_DEBUG, |
| "Reset continuous tx timeout stat"); |
| } |
| |
| adapter->hdd_stats.tx_rx_stats.jiffies_last_txtimeout = jiffies; |
| |
| if (adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt > |
| HDD_TX_STALL_THRESHOLD) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| "Data stall due to continuous TX timeouts"); |
| adapter->hdd_stats.tx_rx_stats.cont_txtimeout_cnt = 0; |
| if (cdp_cfg_get(soc, cfg_dp_enable_data_stall)) |
| cdp_post_data_stall_event(soc, |
| DATA_STALL_LOG_INDICATOR_HOST_DRIVER, |
| DATA_STALL_LOG_HOST_STA_TX_TIMEOUT, |
| 0xFF, 0xFF, |
| DATA_STALL_LOG_RECOVERY_TRIGGER_PDR); |
| } |
| } |
| |
| /** |
| * hdd_tx_timeout() - Wrapper function to protect __hdd_tx_timeout from SSR |
| * @net_dev: pointer to net_device structure |
| * |
| * Function called by OS if there is any timeout during transmission. |
| * Since HDD simply enqueues packet and returns control to OS right away, |
| * this would never be invoked |
| * |
| * Return: none |
| */ |
| void hdd_tx_timeout(struct net_device *net_dev) |
| { |
| struct osif_vdev_sync *vdev_sync; |
| |
| if (osif_vdev_sync_op_start(net_dev, &vdev_sync)) |
| return; |
| |
| __hdd_tx_timeout(net_dev); |
| |
| osif_vdev_sync_op_stop(vdev_sync); |
| } |
| |
| /** |
| * @hdd_init_tx_rx() - Initialize Tx/RX module |
| * @adapter: pointer to adapter context |
| * |
| * Return: QDF_STATUS_E_FAILURE if any errors encountered, |
| * QDF_STATUS_SUCCESS otherwise |
| */ |
| QDF_STATUS hdd_init_tx_rx(struct hdd_adapter *adapter) |
| { |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| |
| if (!adapter) { |
| hdd_err("adapter is NULL"); |
| QDF_ASSERT(0); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| return status; |
| } |
| |
| /** |
| * @hdd_deinit_tx_rx() - Deinitialize Tx/RX module |
| * @adapter: pointer to adapter context |
| * |
| * Return: QDF_STATUS_E_FAILURE if any errors encountered, |
| * QDF_STATUS_SUCCESS otherwise |
| */ |
| QDF_STATUS hdd_deinit_tx_rx(struct hdd_adapter *adapter) |
| { |
| QDF_BUG(adapter); |
| if (!adapter) |
| return QDF_STATUS_E_FAILURE; |
| |
| adapter->txrx_vdev = NULL; |
| adapter->tx_fn = NULL; |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| #ifdef FEATURE_MONITOR_MODE_SUPPORT |
| /** |
| * hdd_mon_rx_packet_cbk() - Receive callback registered with OL layer. |
| * @context: [in] pointer to qdf context |
| * @rxBuf: [in] pointer to rx qdf_nbuf |
| * |
| * TL will call this to notify the HDD when one or more packets were |
| * received for a registered STA. |
| * |
| * Return: QDF_STATUS_E_FAILURE if any errors encountered, QDF_STATUS_SUCCESS |
| * otherwise |
| */ |
| static QDF_STATUS hdd_mon_rx_packet_cbk(void *context, qdf_nbuf_t rxbuf) |
| { |
| struct hdd_adapter *adapter; |
| int rxstat; |
| struct sk_buff *skb; |
| struct sk_buff *skb_next; |
| unsigned int cpu_index; |
| |
| /* Sanity check on inputs */ |
| if ((!context) || (!rxbuf)) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| "%s: Null params being passed", __func__); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| adapter = (struct hdd_adapter *)context; |
| if ((!adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| "invalid adapter %pK", adapter); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| cpu_index = wlan_hdd_get_cpu(); |
| |
| /* walk the chain until all are processed */ |
| skb = (struct sk_buff *) rxbuf; |
| while (skb) { |
| skb_next = skb->next; |
| skb->dev = adapter->dev; |
| |
| ++adapter->hdd_stats.tx_rx_stats.rx_packets[cpu_index]; |
| ++adapter->stats.rx_packets; |
| adapter->stats.rx_bytes += skb->len; |
| |
| /* Remove SKB from internal tracking table before submitting |
| * it to stack |
| */ |
| qdf_net_buf_debug_release_skb(skb); |
| |
| /* |
| * If this is not a last packet on the chain |
| * Just put packet into backlog queue, not scheduling RX sirq |
| */ |
| if (skb->next) { |
| rxstat = netif_rx(skb); |
| } else { |
| /* |
| * This is the last packet on the chain |
| * Scheduling rx sirq |
| */ |
| rxstat = netif_rx_ni(skb); |
| } |
| |
| if (NET_RX_SUCCESS == rxstat) |
| ++adapter-> |
| hdd_stats.tx_rx_stats.rx_delivered[cpu_index]; |
| else |
| ++adapter->hdd_stats.tx_rx_stats.rx_refused[cpu_index]; |
| |
| skb = skb_next; |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| #endif |
| |
| /* |
| * hdd_is_mcast_replay() - checks if pkt is multicast replay |
| * @skb: packet skb |
| * |
| * Return: true if replayed multicast pkt, false otherwise |
| */ |
| static bool hdd_is_mcast_replay(struct sk_buff *skb) |
| { |
| struct ethhdr *eth; |
| |
| eth = eth_hdr(skb); |
| if (unlikely(skb->pkt_type == PACKET_MULTICAST)) { |
| if (unlikely(ether_addr_equal(eth->h_source, |
| skb->dev->dev_addr))) |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * hdd_is_arp_local() - check if local or non local arp |
| * @skb: pointer to sk_buff |
| * |
| * Return: true if local arp or false otherwise. |
| */ |
| static bool hdd_is_arp_local(struct sk_buff *skb) |
| { |
| struct arphdr *arp; |
| struct in_ifaddr **ifap = NULL; |
| struct in_ifaddr *ifa = NULL; |
| struct in_device *in_dev; |
| unsigned char *arp_ptr; |
| __be32 tip; |
| |
| arp = (struct arphdr *)skb->data; |
| if (arp->ar_op == htons(ARPOP_REQUEST)) { |
| in_dev = __in_dev_get_rtnl(skb->dev); |
| if (in_dev) { |
| for (ifap = &in_dev->ifa_list; (ifa = *ifap) != NULL; |
| ifap = &ifa->ifa_next) { |
| if (!strcmp(skb->dev->name, ifa->ifa_label)) |
| break; |
| } |
| } |
| |
| if (ifa && ifa->ifa_local) { |
| arp_ptr = (unsigned char *)(arp + 1); |
| arp_ptr += (skb->dev->addr_len + 4 + |
| skb->dev->addr_len); |
| memcpy(&tip, arp_ptr, 4); |
| hdd_debug("ARP packet: local IP: %x dest IP: %x", |
| ifa->ifa_local, tip); |
| if (ifa->ifa_local == tip) |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| /** |
| * hdd_is_rx_wake_lock_needed() - check if wake lock is needed |
| * @skb: pointer to sk_buff |
| * |
| * RX wake lock is needed for: |
| * 1) Unicast data packet OR |
| * 2) Local ARP data packet |
| * |
| * Return: true if wake lock is needed or false otherwise. |
| */ |
| static bool hdd_is_rx_wake_lock_needed(struct sk_buff *skb) |
| { |
| if ((skb->pkt_type != PACKET_BROADCAST && |
| skb->pkt_type != PACKET_MULTICAST) || hdd_is_arp_local(skb)) |
| return true; |
| |
| return false; |
| } |
| |
| #ifdef RECEIVE_OFFLOAD |
| /** |
| * hdd_resolve_rx_ol_mode() - Resolve Rx offload method, LRO or GRO |
| * @hdd_ctx: pointer to HDD Station Context |
| * |
| * Return: None |
| */ |
| static void hdd_resolve_rx_ol_mode(struct hdd_context *hdd_ctx) |
| { |
| void *soc; |
| |
| soc = cds_get_context(QDF_MODULE_ID_SOC); |
| |
| if (!(cdp_cfg_get(soc, cfg_dp_lro_enable) ^ |
| cdp_cfg_get(soc, cfg_dp_gro_enable))) { |
| cdp_cfg_get(soc, cfg_dp_lro_enable) && |
| cdp_cfg_get(soc, cfg_dp_gro_enable) ? |
| hdd_err("Can't enable both LRO and GRO, disabling Rx offload") : |
| hdd_info("LRO and GRO both are disabled"); |
| hdd_ctx->ol_enable = 0; |
| } else if (cdp_cfg_get(soc, cfg_dp_lro_enable)) { |
| hdd_debug("Rx offload LRO is enabled"); |
| hdd_ctx->ol_enable = CFG_LRO_ENABLED; |
| } else { |
| hdd_info("Rx offload: GRO is enabled"); |
| hdd_ctx->ol_enable = CFG_GRO_ENABLED; |
| } |
| } |
| |
| /** |
| * hdd_gro_rx_bh_disable() - GRO RX/flush function. |
| * @napi_to_use: napi to be used to give packets to the stack, gro flush |
| * @skb: pointer to sk_buff |
| * |
| * Function calls napi_gro_receive for the skb. If the skb indicates that a |
| * flush needs to be done (set by the lower DP layer), the function also calls |
| * napi_gro_flush. Local softirqs are disabled (and later enabled) while making |
| * napi_gro__ calls. |
| * |
| * Return: QDF_STATUS_SUCCESS if not dropped by napi_gro_receive or |
| * QDF error code. |
| */ |
| static QDF_STATUS hdd_gro_rx_bh_disable(struct hdd_adapter *adapter, |
| struct napi_struct *napi_to_use, |
| struct sk_buff *skb) |
| { |
| QDF_STATUS status = QDF_STATUS_SUCCESS; |
| gro_result_t gro_res; |
| bool flush_ind = QDF_NBUF_CB_RX_FLUSH_IND(skb); |
| |
| skb_set_hash(skb, QDF_NBUF_CB_RX_FLOW_ID(skb), PKT_HASH_TYPE_L4); |
| |
| local_bh_disable(); |
| gro_res = napi_gro_receive(napi_to_use, skb); |
| if (flush_ind) |
| napi_gro_flush(napi_to_use, false); |
| local_bh_enable(); |
| |
| if (gro_res == GRO_DROP) |
| status = QDF_STATUS_E_GRO_DROP; |
| |
| if (flush_ind) |
| adapter->hdd_stats.tx_rx_stats.rx_gro_flushes++; |
| |
| return status; |
| } |
| |
| /** |
| * hdd_gro_rx_dp_thread() - Handle Rx procesing via GRO for DP thread |
| * @adapter: pointer to adapter context |
| * @skb: pointer to sk_buff |
| * |
| * Return: QDF_STATUS_SUCCESS if processed via GRO or non zero return code |
| */ |
| static |
| QDF_STATUS hdd_gro_rx_dp_thread(struct hdd_adapter *adapter, |
| struct sk_buff *skb) |
| { |
| struct napi_struct *napi_to_use = NULL; |
| QDF_STATUS status = QDF_STATUS_E_FAILURE; |
| struct hdd_context *hdd_ctx = adapter->hdd_ctx; |
| |
| if (!adapter->hdd_ctx->enable_dp_rx_threads) { |
| hdd_dp_err_rl("gro not supported without DP RX thread!"); |
| return status; |
| } |
| |
| napi_to_use = |
| dp_rx_get_napi_context(cds_get_context(QDF_MODULE_ID_SOC), |
| QDF_NBUF_CB_RX_CTX_ID(skb)); |
| |
| if (!napi_to_use) { |
| hdd_dp_err_rl("no napi to use for GRO!"); |
| return status; |
| } |
| |
| if (qdf_atomic_read(&hdd_ctx->disable_rx_ol_in_low_tput)) |
| return status; |
| |
| status = hdd_gro_rx_bh_disable(adapter, napi_to_use, skb); |
| |
| return status; |
| } |
| |
| /** |
| * hdd_gro_rx_legacy() - Handle Rx processing via GRO for ihelium based targets |
| * @adapter: pointer to adapter context |
| * @skb: pointer to sk_buff |
| * |
| * Supports GRO for only station mode |
| * |
| * Return: QDF_STATUS_SUCCESS if processed via GRO or non zero return code |
| */ |
| static |
| QDF_STATUS hdd_gro_rx_legacy(struct hdd_adapter *adapter, struct sk_buff *skb) |
| { |
| struct qca_napi_info *qca_napii; |
| struct qca_napi_data *napid; |
| struct napi_struct *napi_to_use; |
| QDF_STATUS status = QDF_STATUS_E_FAILURE; |
| struct hdd_context *hdd_ctx = adapter->hdd_ctx; |
| |
| /* Only enabling it for STA mode like LRO today */ |
| if (QDF_STA_MODE != adapter->device_mode) |
| return QDF_STATUS_E_NOSUPPORT; |
| |
| if (qdf_atomic_read(&hdd_ctx->disable_rx_ol_in_low_tput) || |
| qdf_atomic_read(&hdd_ctx->disable_rx_ol_in_concurrency)) |
| return QDF_STATUS_E_NOSUPPORT; |
| |
| napid = hdd_napi_get_all(); |
| if (unlikely(!napid)) |
| goto out; |
| |
| qca_napii = hif_get_napi(QDF_NBUF_CB_RX_CTX_ID(skb), napid); |
| if (unlikely(!qca_napii)) |
| goto out; |
| |
| /* |
| * As we are breaking context in Rxthread mode, there is rx_thread NAPI |
| * corresponds each hif_napi. |
| */ |
| if (adapter->hdd_ctx->enable_rxthread) |
| napi_to_use = &qca_napii->rx_thread_napi; |
| else |
| napi_to_use = &qca_napii->napi; |
| |
| status = hdd_gro_rx_bh_disable(adapter, napi_to_use, skb); |
| out: |
| |
| return status; |
| } |
| |
| /** |
| * hdd_rxthread_napi_gro_flush() - GRO flush callback for NAPI+Rx_Thread Rx mode |
| * @data: hif NAPI context |
| * |
| * Return: none |
| */ |
| static void hdd_rxthread_napi_gro_flush(void *data) |
| { |
| struct qca_napi_info *qca_napii = (struct qca_napi_info *)data; |
| |
| local_bh_disable(); |
| /* |
| * As we are breaking context in Rxthread mode, there is rx_thread NAPI |
| * corresponds each hif_napi. |
| */ |
| napi_gro_flush(&qca_napii->rx_thread_napi, false); |
| local_bh_enable(); |
| } |
| |
| /** |
| * hdd_hif_napi_gro_flush() - GRO flush callback for NAPI Rx mode |
| * @data: hif NAPI context |
| * |
| * Return: none |
| */ |
| static void hdd_hif_napi_gro_flush(void *data) |
| { |
| struct qca_napi_info *qca_napii = (struct qca_napi_info *)data; |
| |
| local_bh_disable(); |
| napi_gro_flush(&qca_napii->napi, false); |
| local_bh_enable(); |
| } |
| |
| #ifdef FEATURE_LRO |
| /** |
| * hdd_qdf_lro_flush() - LRO flush wrapper |
| * @data: hif NAPI context |
| * |
| * Return: none |
| */ |
| static void hdd_qdf_lro_flush(void *data) |
| { |
| struct qca_napi_info *qca_napii = (struct qca_napi_info *)data; |
| qdf_lro_ctx_t qdf_lro_ctx = qca_napii->lro_ctx; |
| |
| qdf_lro_flush(qdf_lro_ctx); |
| } |
| #else |
| static void hdd_qdf_lro_flush(void *data) |
| { |
| } |
| #endif |
| |
| /** |
| * hdd_register_rx_ol() - Register LRO/GRO rx processing callbacks |
| * @hdd_ctx: pointer to hdd_ctx |
| * @lithium_based_target: whether its a lithium arch based target or not |
| * |
| * Return: none |
| */ |
| static void hdd_register_rx_ol_cb(struct hdd_context *hdd_ctx, |
| bool lithium_based_target) |
| { |
| void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| |
| if (!hdd_ctx) { |
| hdd_err("HDD context is NULL"); |
| return; |
| } |
| |
| hdd_ctx->en_tcp_delack_no_lro = 0; |
| |
| if (!hdd_is_lro_enabled(hdd_ctx)) { |
| cdp_register_rx_offld_flush_cb(soc, hdd_qdf_lro_flush); |
| hdd_ctx->receive_offload_cb = hdd_lro_rx; |
| hdd_debug("LRO is enabled"); |
| } else if (hdd_ctx->ol_enable == CFG_GRO_ENABLED) { |
| if (lithium_based_target) { |
| /* no flush registration needed, it happens in DP thread */ |
| hdd_ctx->receive_offload_cb = hdd_gro_rx_dp_thread; |
| } else { |
| /*ihelium based targets */ |
| if (hdd_ctx->enable_rxthread) |
| cdp_register_rx_offld_flush_cb(soc, |
| hdd_rxthread_napi_gro_flush); |
| else |
| cdp_register_rx_offld_flush_cb(soc, |
| hdd_hif_napi_gro_flush); |
| hdd_ctx->receive_offload_cb = hdd_gro_rx_legacy; |
| } |
| hdd_debug("GRO is enabled"); |
| } else if (HDD_MSM_CFG(hdd_ctx->config->enable_tcp_delack)) { |
| hdd_ctx->en_tcp_delack_no_lro = 1; |
| hdd_debug("TCP Del ACK is enabled"); |
| } |
| } |
| |
| /** |
| * hdd_rx_ol_send_config() - Send RX offload configuration to FW |
| * @hdd_ctx: pointer to hdd_ctx |
| * |
| * This function is only used for non lithium targets. Lithium based targets are |
| * sending LRO config to FW in vdev attach implemented in cmn DP layer. |
| * |
| * Return: 0 on success, non zero on failure |
| */ |
| static int hdd_rx_ol_send_config(struct hdd_context *hdd_ctx) |
| { |
| struct cdp_lro_hash_config lro_config = {0}; |
| /* |
| * This will enable flow steering and Toeplitz hash |
| * So enable it for LRO or GRO processing. |
| */ |
| if (cfg_get(hdd_ctx->psoc, CFG_DP_GRO) || |
| cfg_get(hdd_ctx->psoc, CFG_DP_LRO)) { |
| lro_config.lro_enable = 1; |
| lro_config.tcp_flag = TCPHDR_ACK; |
| lro_config.tcp_flag_mask = TCPHDR_FIN | TCPHDR_SYN | |
| TCPHDR_RST | TCPHDR_ACK | |
| TCPHDR_URG | TCPHDR_ECE | |
| TCPHDR_CWR; |
| } |
| |
| get_random_bytes(lro_config.toeplitz_hash_ipv4, |
| (sizeof(lro_config.toeplitz_hash_ipv4[0]) * |
| LRO_IPV4_SEED_ARR_SZ)); |
| |
| get_random_bytes(lro_config.toeplitz_hash_ipv6, |
| (sizeof(lro_config.toeplitz_hash_ipv6[0]) * |
| LRO_IPV6_SEED_ARR_SZ)); |
| |
| if (wma_lro_init(&lro_config)) |
| return -EAGAIN; |
| else |
| hdd_dp_info("LRO Config: lro_enable: 0x%x tcp_flag 0x%x tcp_flag_mask 0x%x", |
| lro_config.lro_enable, lro_config.tcp_flag, |
| lro_config.tcp_flag_mask); |
| |
| return 0; |
| } |
| |
| int hdd_rx_ol_init(struct hdd_context *hdd_ctx) |
| { |
| int ret = 0; |
| bool lithium_based_target = false; |
| |
| if (hdd_ctx->target_type == TARGET_TYPE_QCA6290 || |
| hdd_ctx->target_type == TARGET_TYPE_QCA6390) |
| lithium_based_target = true; |
| |
| hdd_resolve_rx_ol_mode(hdd_ctx); |
| hdd_register_rx_ol_cb(hdd_ctx, lithium_based_target); |
| |
| if (!lithium_based_target) { |
| ret = hdd_rx_ol_send_config(hdd_ctx); |
| if (ret) { |
| hdd_ctx->ol_enable = 0; |
| hdd_err("Failed to send LRO/GRO configuration! %u", ret); |
| return ret; |
| } |
| } |
| |
| return 0; |
| } |
| |
| void hdd_disable_rx_ol_in_concurrency(bool disable) |
| { |
| struct hdd_context *hdd_ctx = cds_get_context(QDF_MODULE_ID_HDD); |
| |
| if (!hdd_ctx) { |
| hdd_err("hdd_ctx is NULL"); |
| return; |
| } |
| |
| if (disable) { |
| if (HDD_MSM_CFG(hdd_ctx->config->enable_tcp_delack)) { |
| struct wlan_rx_tp_data rx_tp_data; |
| |
| hdd_info("Enable TCP delack as LRO disabled in concurrency"); |
| rx_tp_data.rx_tp_flags = TCP_DEL_ACK_IND; |
| rx_tp_data.level = GET_CUR_RX_LVL(hdd_ctx); |
| wlan_hdd_update_tcp_rx_param(hdd_ctx, &rx_tp_data); |
| hdd_ctx->en_tcp_delack_no_lro = 1; |
| } |
| qdf_atomic_set(&hdd_ctx->disable_rx_ol_in_concurrency, 1); |
| } else { |
| if (HDD_MSM_CFG(hdd_ctx->config->enable_tcp_delack)) { |
| hdd_info("Disable TCP delack as LRO is enabled"); |
| hdd_ctx->en_tcp_delack_no_lro = 0; |
| hdd_reset_tcp_delack(hdd_ctx); |
| } |
| qdf_atomic_set(&hdd_ctx->disable_rx_ol_in_concurrency, 0); |
| } |
| } |
| |
| void hdd_disable_rx_ol_for_low_tput(struct hdd_context *hdd_ctx, bool disable) |
| { |
| if (disable) |
| qdf_atomic_set(&hdd_ctx->disable_rx_ol_in_low_tput, 1); |
| else |
| qdf_atomic_set(&hdd_ctx->disable_rx_ol_in_low_tput, 0); |
| } |
| |
| #else /* RECEIVE_OFFLOAD */ |
| int hdd_rx_ol_init(struct hdd_context *hdd_ctx) |
| { |
| hdd_err("Rx_OL, LRO/GRO not supported"); |
| return -EPERM; |
| } |
| |
| void hdd_disable_rx_ol_in_concurrency(bool disable) |
| { |
| } |
| |
| void hdd_disable_rx_ol_for_low_tput(struct hdd_context *hdd_ctx, bool disable) |
| { |
| } |
| #endif /* RECEIVE_OFFLOAD */ |
| |
| #ifdef WLAN_FEATURE_TSF_PLUS |
| static inline void hdd_tsf_timestamp_rx(struct hdd_context *hdd_ctx, |
| qdf_nbuf_t netbuf, |
| uint64_t target_time) |
| { |
| if (!hdd_tsf_is_rx_set(hdd_ctx)) |
| return; |
| |
| hdd_rx_timestamp(netbuf, target_time); |
| } |
| #else |
| static inline void hdd_tsf_timestamp_rx(struct hdd_context *hdd_ctx, |
| qdf_nbuf_t netbuf, |
| uint64_t target_time) |
| { |
| } |
| #endif |
| |
| QDF_STATUS hdd_rx_pkt_thread_enqueue_cbk(void *adapter, |
| qdf_nbuf_t nbuf_list) |
| { |
| if (unlikely((!adapter) || (!nbuf_list))) { |
| hdd_err("Null params being passed"); |
| return QDF_STATUS_E_FAILURE; |
| } |
| return dp_rx_enqueue_pkt(cds_get_context(QDF_MODULE_ID_SOC), nbuf_list); |
| } |
| |
| QDF_STATUS hdd_rx_deliver_to_stack(struct hdd_adapter *adapter, |
| struct sk_buff *skb) |
| { |
| struct hdd_context *hdd_ctx = adapter->hdd_ctx; |
| int status = QDF_STATUS_E_FAILURE; |
| int netif_status; |
| bool skb_receive_offload_ok = false; |
| |
| if (QDF_NBUF_CB_RX_TCP_PROTO(skb) && |
| !QDF_NBUF_CB_RX_PEER_CACHED_FRM(skb)) |
| skb_receive_offload_ok = true; |
| |
| if (skb_receive_offload_ok && hdd_ctx->receive_offload_cb) { |
| status = hdd_ctx->receive_offload_cb(adapter, skb); |
| |
| if (QDF_IS_STATUS_SUCCESS(status)) { |
| adapter->hdd_stats.tx_rx_stats.rx_aggregated++; |
| return status; |
| } |
| |
| if (status == QDF_STATUS_E_GRO_DROP) { |
| adapter->hdd_stats.tx_rx_stats.rx_gro_dropped++; |
| return status; |
| } |
| } |
| |
| adapter->hdd_stats.tx_rx_stats.rx_non_aggregated++; |
| |
| /* Account for GRO/LRO ineligible packets, mostly UDP */ |
| hdd_ctx->no_rx_offload_pkt_cnt++; |
| |
| if (qdf_likely(hdd_ctx->enable_dp_rx_threads || |
| hdd_ctx->enable_rxthread)) { |
| local_bh_disable(); |
| netif_status = netif_receive_skb(skb); |
| local_bh_enable(); |
| } else if (qdf_unlikely(QDF_NBUF_CB_RX_PEER_CACHED_FRM(skb))) { |
| /* |
| * Frames before peer is registered to avoid contention with |
| * NAPI softirq. |
| * Refer fix: |
| * qcacld-3.0: Do netif_rx_ni() for frames received before |
| * peer assoc |
| */ |
| netif_status = netif_rx_ni(skb); |
| } else { /* NAPI Context */ |
| netif_status = netif_receive_skb(skb); |
| } |
| |
| if (netif_status == NET_RX_SUCCESS) |
| status = QDF_STATUS_SUCCESS; |
| |
| return status; |
| } |
| |
| #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 6, 0)) |
| static bool hdd_is_gratuitous_arp_unsolicited_na(struct sk_buff *skb) |
| { |
| return false; |
| } |
| #else |
| static bool hdd_is_gratuitous_arp_unsolicited_na(struct sk_buff *skb) |
| { |
| return cfg80211_is_gratuitous_arp_unsolicited_na(skb); |
| } |
| #endif |
| |
| QDF_STATUS hdd_rx_packet_cbk(void *adapter_context, |
| qdf_nbuf_t rxBuf) |
| { |
| struct hdd_adapter *adapter = NULL; |
| struct hdd_context *hdd_ctx = NULL; |
| QDF_STATUS qdf_status = QDF_STATUS_E_FAILURE; |
| struct sk_buff *skb = NULL; |
| struct sk_buff *next = NULL; |
| struct hdd_station_ctx *sta_ctx = NULL; |
| unsigned int cpu_index; |
| struct qdf_mac_addr *mac_addr, *dest_mac_addr; |
| bool wake_lock = false; |
| uint8_t pkt_type = 0; |
| bool track_arp = false; |
| struct wlan_objmgr_vdev *vdev; |
| |
| /* Sanity check on inputs */ |
| if (unlikely((!adapter_context) || (!rxBuf))) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| "%s: Null params being passed", __func__); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| adapter = (struct hdd_adapter *)adapter_context; |
| if (unlikely(WLAN_HDD_ADAPTER_MAGIC != adapter->magic)) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| "Magic cookie(%x) for adapter sanity verification is invalid", |
| adapter->magic); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| hdd_ctx = WLAN_HDD_GET_CTX(adapter); |
| if (unlikely(!hdd_ctx)) { |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, QDF_TRACE_LEVEL_ERROR, |
| "%s: HDD context is Null", __func__); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| cpu_index = wlan_hdd_get_cpu(); |
| |
| next = (struct sk_buff *)rxBuf; |
| |
| while (next) { |
| skb = next; |
| next = skb->next; |
| skb->next = NULL; |
| |
| if (QDF_NBUF_CB_PACKET_TYPE_ARP == |
| QDF_NBUF_CB_GET_PACKET_TYPE(skb)) { |
| if (qdf_nbuf_data_is_arp_rsp(skb) && |
| (adapter->track_arp_ip == |
| qdf_nbuf_get_arp_src_ip(skb))) { |
| ++adapter->hdd_stats.hdd_arp_stats. |
| rx_arp_rsp_count; |
| QDF_TRACE(QDF_MODULE_ID_HDD_DATA, |
| QDF_TRACE_LEVEL_INFO, |
| "%s: ARP packet received", |
| __func__); |
| track_arp = true; |
| } |
| } |
| /* track connectivity stats */ |
| if (adapter->pkt_type_bitmap) |
| hdd_tx_rx_collect_connectivity_stats_info(skb, adapter, |
| PKT_TYPE_RSP, &pkt_type); |
| |
| sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter); |
| if ((sta_ctx->conn_info.proxy_arp_service) && |
| hdd_is_gratuitous_arp_unsolicited_na(skb)) { |
| qdf_atomic_inc(&adapter->hdd_stats.tx_rx_stats. |
| rx_usolict_arp_n_mcast_drp); |
| /* Remove SKB from internal tracking table before |
| * submitting it to stack. |
| */ |
| qdf_nbuf_free(skb); |
| continue; |
| } |
| |
| hdd_event_eapol_log(skb, QDF_RX); |
| qdf_dp_trace_log_pkt(adapter->vdev_id, skb, QDF_RX, |
| QDF_TRACE_DEFAULT_PDEV_ID); |
| |
| DPTRACE(qdf_dp_trace(skb, |
| QDF_DP_TRACE_RX_HDD_PACKET_PTR_RECORD, |
| QDF_TRACE_DEFAULT_PDEV_ID, |
| qdf_nbuf_data_addr(skb), |
| sizeof(qdf_nbuf_data(skb)), QDF_RX)); |
| |
| DPTRACE(qdf_dp_trace_data_pkt(skb, QDF_TRACE_DEFAULT_PDEV_ID, |
| QDF_DP_TRACE_RX_PACKET_RECORD, |
| 0, QDF_RX)); |
| |
| dest_mac_addr = (struct qdf_mac_addr *)(skb->data); |
| mac_addr = (struct qdf_mac_addr *)(skb->data+QDF_MAC_ADDR_SIZE); |
| |
| if (!hdd_is_current_high_throughput(hdd_ctx)) { |
| vdev = hdd_objmgr_get_vdev(adapter); |
| if (vdev) { |
| ucfg_tdls_update_rx_pkt_cnt(vdev, mac_addr, |
| dest_mac_addr); |
| hdd_objmgr_put_vdev(vdev); |
| } |
| } |
| |
| skb->dev = adapter->dev; |
| skb->protocol = eth_type_trans(skb, skb->dev); |
| ++adapter->hdd_stats.tx_rx_stats.rx_packets[cpu_index]; |
| ++adapter->stats.rx_packets; |
| adapter->stats.rx_bytes += skb->len; |
| |
| /* Incr GW Rx count for NUD tracking based on GW mac addr */ |
| hdd_nud_incr_gw_rx_pkt_cnt(adapter, mac_addr); |
| |
| /* Check & drop replayed mcast packets (for IPV6) */ |
| if (hdd_ctx->config->multicast_replay_filter && |
| hdd_is_mcast_replay(skb)) { |
| qdf_atomic_inc(&adapter->hdd_stats.tx_rx_stats. |
| rx_usolict_arp_n_mcast_drp); |
| qdf_nbuf_free(skb); |
| continue; |
| } |
| |
| /* hold configurable wakelock for unicast traffic */ |
| if (!hdd_is_current_high_throughput(hdd_ctx) && |
| hdd_ctx->config->rx_wakelock_timeout && |
| sta_ctx->conn_info.is_authenticated) |
| wake_lock = hdd_is_rx_wake_lock_needed(skb); |
| |
| if (wake_lock) { |
| cds_host_diag_log_work(&hdd_ctx->rx_wake_lock, |
| hdd_ctx->config->rx_wakelock_timeout, |
| WIFI_POWER_EVENT_WAKELOCK_HOLD_RX); |
| qdf_wake_lock_timeout_acquire(&hdd_ctx->rx_wake_lock, |
| hdd_ctx->config-> |
| rx_wakelock_timeout); |
| } |
| |
| /* Remove SKB from internal tracking table before submitting |
| * it to stack |
| */ |
| qdf_net_buf_debug_release_skb(skb); |
| |
| hdd_tsf_timestamp_rx(hdd_ctx, skb, ktime_to_us(skb->tstamp)); |
| |
| qdf_status = hdd_rx_deliver_to_stack(adapter, skb); |
| |
| if (QDF_IS_STATUS_SUCCESS(qdf_status)) { |
| ++adapter->hdd_stats.tx_rx_stats. |
| rx_delivered[cpu_index]; |
| if (track_arp) |
| ++adapter->hdd_stats.hdd_arp_stats. |
| rx_delivered; |
| /* track connectivity stats */ |
| if (adapter->pkt_type_bitmap) |
| hdd_tx_rx_collect_connectivity_stats_info( |
| skb, adapter, |
| PKT_TYPE_RX_DELIVERED, &pkt_type); |
| } else { |
| ++adapter->hdd_stats.tx_rx_stats.rx_refused[cpu_index]; |
| if (track_arp) |
| ++adapter->hdd_stats.hdd_arp_stats.rx_refused; |
| |
| /* track connectivity stats */ |
| if (adapter->pkt_type_bitmap) |
| hdd_tx_rx_collect_connectivity_stats_info( |
| skb, adapter, |
| PKT_TYPE_RX_REFUSED, &pkt_type); |
| |
| } |
| } |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| |
| /** |
| * hdd_reason_type_to_string() - return string conversion of reason type |
| * @reason: reason type |
| * |
| * This utility function helps log string conversion of reason type. |
| * |
| * Return: string conversion of device mode, if match found; |
| * "Unknown" otherwise. |
| */ |
| const char *hdd_reason_type_to_string(enum netif_reason_type reason) |
| { |
| switch (reason) { |
| CASE_RETURN_STRING(WLAN_CONTROL_PATH); |
| CASE_RETURN_STRING(WLAN_DATA_FLOW_CONTROL); |
| CASE_RETURN_STRING(WLAN_FW_PAUSE); |
| CASE_RETURN_STRING(WLAN_TX_ABORT); |
| CASE_RETURN_STRING(WLAN_VDEV_STOP); |
| CASE_RETURN_STRING(WLAN_PEER_UNAUTHORISED); |
| CASE_RETURN_STRING(WLAN_THERMAL_MITIGATION); |
| CASE_RETURN_STRING(WLAN_DATA_FLOW_CONTROL_PRIORITY); |
| default: |
| return "Invalid"; |
| } |
| } |
| |
| /** |
| * hdd_action_type_to_string() - return string conversion of action type |
| * @action: action type |
| * |
| * This utility function helps log string conversion of action_type. |
| * |
| * Return: string conversion of device mode, if match found; |
| * "Unknown" otherwise. |
| */ |
| const char *hdd_action_type_to_string(enum netif_action_type action) |
| { |
| |
| switch (action) { |
| CASE_RETURN_STRING(WLAN_STOP_ALL_NETIF_QUEUE); |
| CASE_RETURN_STRING(WLAN_START_ALL_NETIF_QUEUE); |
| CASE_RETURN_STRING(WLAN_WAKE_ALL_NETIF_QUEUE); |
| CASE_RETURN_STRING(WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER); |
| CASE_RETURN_STRING(WLAN_START_ALL_NETIF_QUEUE_N_CARRIER); |
| CASE_RETURN_STRING(WLAN_NETIF_TX_DISABLE); |
| CASE_RETURN_STRING(WLAN_NETIF_TX_DISABLE_N_CARRIER); |
| CASE_RETURN_STRING(WLAN_NETIF_CARRIER_ON); |
| CASE_RETURN_STRING(WLAN_NETIF_CARRIER_OFF); |
| CASE_RETURN_STRING(WLAN_NETIF_PRIORITY_QUEUE_ON); |
| CASE_RETURN_STRING(WLAN_NETIF_PRIORITY_QUEUE_OFF); |
| CASE_RETURN_STRING(WLAN_NETIF_VO_QUEUE_ON); |
| CASE_RETURN_STRING(WLAN_NETIF_VO_QUEUE_OFF); |
| CASE_RETURN_STRING(WLAN_NETIF_VI_QUEUE_ON); |
| CASE_RETURN_STRING(WLAN_NETIF_VI_QUEUE_OFF); |
| CASE_RETURN_STRING(WLAN_NETIF_BE_BK_QUEUE_OFF); |
| CASE_RETURN_STRING(WLAN_WAKE_NON_PRIORITY_QUEUE); |
| CASE_RETURN_STRING(WLAN_STOP_NON_PRIORITY_QUEUE); |
| default: |
| return "Invalid"; |
| } |
| } |
| |
| /** |
| * wlan_hdd_update_queue_oper_stats - update queue operation statistics |
| * @adapter: adapter handle |
| * @action: action type |
| * @reason: reason type |
| */ |
| static void wlan_hdd_update_queue_oper_stats(struct hdd_adapter *adapter, |
| enum netif_action_type action, enum netif_reason_type reason) |
| { |
| switch (action) { |
| case WLAN_STOP_ALL_NETIF_QUEUE: |
| case WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER: |
| case WLAN_NETIF_BE_BK_QUEUE_OFF: |
| case WLAN_NETIF_VI_QUEUE_OFF: |
| case WLAN_NETIF_VO_QUEUE_OFF: |
| case WLAN_NETIF_PRIORITY_QUEUE_OFF: |
| case WLAN_STOP_NON_PRIORITY_QUEUE: |
| adapter->queue_oper_stats[reason].pause_count++; |
| break; |
| case WLAN_START_ALL_NETIF_QUEUE: |
| case WLAN_WAKE_ALL_NETIF_QUEUE: |
| case WLAN_START_ALL_NETIF_QUEUE_N_CARRIER: |
| case WLAN_NETIF_VI_QUEUE_ON: |
| case WLAN_NETIF_VO_QUEUE_ON: |
| case WLAN_NETIF_PRIORITY_QUEUE_ON: |
| case WLAN_WAKE_NON_PRIORITY_QUEUE: |
| adapter->queue_oper_stats[reason].unpause_count++; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /** |
| * hdd_netdev_queue_is_locked() |
| * @txq: net device tx queue |
| * |
| * For SMP system, always return false and we could safely rely on |
| * __netif_tx_trylock(). |
| * |
| * Return: true locked; false not locked |
| */ |
| #ifdef QCA_CONFIG_SMP |
| static inline bool hdd_netdev_queue_is_locked(struct netdev_queue *txq) |
| { |
| return false; |
| } |
| #else |
| static inline bool hdd_netdev_queue_is_locked(struct netdev_queue *txq) |
| { |
| return txq->xmit_lock_owner != -1; |
| } |
| #endif |
| |
| /** |
| * wlan_hdd_update_txq_timestamp() - update txq timestamp |
| * @dev: net device |
| * |
| * Return: none |
| */ |
| static void wlan_hdd_update_txq_timestamp(struct net_device *dev) |
| { |
| struct netdev_queue *txq; |
| int i; |
| |
| for (i = 0; i < NUM_TX_QUEUES; i++) { |
| txq = netdev_get_tx_queue(dev, i); |
| |
| /* |
| * On UP system, kernel will trigger watchdog bite if spinlock |
| * recursion is detected. Unfortunately recursion is possible |
| * when it is called in dev_queue_xmit() context, where stack |
| * grabs the lock before calling driver's ndo_start_xmit |
| * callback. |
| */ |
| if (!hdd_netdev_queue_is_locked(txq)) { |
| if (__netif_tx_trylock(txq)) { |
| txq_trans_update(txq); |
| __netif_tx_unlock(txq); |
| } |
| } |
| } |
| } |
| |
| /** |
| * wlan_hdd_update_unpause_time() - update unpause time |
| * @adapter: adapter handle |
| * |
| * Return: none |
| */ |
| static void wlan_hdd_update_unpause_time(struct hdd_adapter *adapter) |
| { |
| qdf_time_t curr_time = qdf_system_ticks(); |
| |
| adapter->total_unpause_time += curr_time - adapter->last_time; |
| adapter->last_time = curr_time; |
| } |
| |
| /** |
| * wlan_hdd_update_pause_time() - update pause time |
| * @adapter: adapter handle |
| * |
| * Return: none |
| */ |
| static void wlan_hdd_update_pause_time(struct hdd_adapter *adapter, |
| uint32_t temp_map) |
| { |
| qdf_time_t curr_time = qdf_system_ticks(); |
| uint8_t i; |
| qdf_time_t pause_time; |
| |
| pause_time = curr_time - adapter->last_time; |
| adapter->total_pause_time += pause_time; |
| adapter->last_time = curr_time; |
| |
| for (i = 0; i < WLAN_REASON_TYPE_MAX; i++) { |
| if (temp_map & (1 << i)) { |
| adapter->queue_oper_stats[i].total_pause_time += |
| pause_time; |
| break; |
| } |
| } |
| |
| } |
| |
| uint32_t |
| wlan_hdd_dump_queue_history_state(struct hdd_netif_queue_history *queue_history, |
| char *buf, uint32_t size) |
| { |
| unsigned int i; |
| unsigned int index = 0; |
| |
| for (i = 0; i < NUM_TX_QUEUES; i++) { |
| index += qdf_scnprintf(buf + index, |
| size - index, |
| "%u:0x%lx ", |
| i, queue_history->tx_q_state[i]); |
| } |
| |
| return index; |
| } |
| |
| /** |
| * wlan_hdd_update_queue_history_state() - Save a copy of dev TX queues state |
| * @adapter: adapter handle |
| * |
| * Save netdev TX queues state into adapter queue history. |
| * |
| * Return: None |
| */ |
| static void |
| wlan_hdd_update_queue_history_state(struct net_device *dev, |
| struct hdd_netif_queue_history *q_hist) |
| { |
| unsigned int i = 0; |
| uint32_t num_tx_queues = 0; |
| struct netdev_queue *txq = NULL; |
| |
| num_tx_queues = qdf_min(dev->num_tx_queues, (uint32_t)NUM_TX_QUEUES); |
| |
| for (i = 0; i < num_tx_queues; i++) { |
| txq = netdev_get_tx_queue(dev, i); |
| q_hist->tx_q_state[i] = txq->state; |
| } |
| } |
| |
| /** |
| * wlan_hdd_stop_non_priority_queue() - stop non prority queues |
| * @adapter: adapter handle |
| * |
| * Return: None |
| */ |
| static inline void wlan_hdd_stop_non_priority_queue(struct hdd_adapter *adapter) |
| { |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BE); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BK); |
| } |
| |
| /** |
| * wlan_hdd_wake_non_priority_queue() - wake non prority queues |
| * @adapter: adapter handle |
| * |
| * Return: None |
| */ |
| static inline void wlan_hdd_wake_non_priority_queue(struct hdd_adapter *adapter) |
| { |
| netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_BE); |
| netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_BK); |
| } |
| |
| /** |
| * wlan_hdd_netif_queue_control() - Use for netif_queue related actions |
| * @adapter: adapter handle |
| * @action: action type |
| * @reason: reason type |
| * |
| * This is single function which is used for netif_queue related |
| * actions like start/stop of network queues and on/off carrier |
| * option. |
| * |
| * Return: None |
| */ |
| void wlan_hdd_netif_queue_control(struct hdd_adapter *adapter, |
| enum netif_action_type action, enum netif_reason_type reason) |
| { |
| uint32_t temp_map; |
| uint8_t index; |
| struct hdd_netif_queue_history *txq_hist_ptr; |
| |
| if ((!adapter) || (WLAN_HDD_ADAPTER_MAGIC != adapter->magic) || |
| (!adapter->dev)) { |
| hdd_err("adapter is invalid"); |
| return; |
| } |
| |
| switch (action) { |
| |
| case WLAN_NETIF_CARRIER_ON: |
| netif_carrier_on(adapter->dev); |
| break; |
| |
| case WLAN_NETIF_CARRIER_OFF: |
| netif_carrier_off(adapter->dev); |
| break; |
| |
| case WLAN_STOP_ALL_NETIF_QUEUE: |
| spin_lock_bh(&adapter->pause_map_lock); |
| if (!adapter->pause_map) { |
| netif_tx_stop_all_queues(adapter->dev); |
| wlan_hdd_update_txq_timestamp(adapter->dev); |
| wlan_hdd_update_unpause_time(adapter); |
| } |
| adapter->pause_map |= (1 << reason); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_STOP_NON_PRIORITY_QUEUE: |
| spin_lock_bh(&adapter->pause_map_lock); |
| if (!adapter->pause_map) { |
| wlan_hdd_stop_non_priority_queue(adapter); |
| wlan_hdd_update_txq_timestamp(adapter->dev); |
| wlan_hdd_update_unpause_time(adapter); |
| } |
| adapter->pause_map |= (1 << reason); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_NETIF_PRIORITY_QUEUE_ON: |
| spin_lock_bh(&adapter->pause_map_lock); |
| temp_map = adapter->pause_map; |
| adapter->pause_map &= ~(1 << reason); |
| netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_HI_PRIO); |
| wlan_hdd_update_pause_time(adapter, temp_map); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_NETIF_PRIORITY_QUEUE_OFF: |
| spin_lock_bh(&adapter->pause_map_lock); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_HI_PRIO); |
| wlan_hdd_update_txq_timestamp(adapter->dev); |
| wlan_hdd_update_unpause_time(adapter); |
| adapter->pause_map |= (1 << reason); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_NETIF_BE_BK_QUEUE_OFF: |
| spin_lock_bh(&adapter->pause_map_lock); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BK); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_BE); |
| wlan_hdd_update_txq_timestamp(adapter->dev); |
| wlan_hdd_update_unpause_time(adapter); |
| adapter->pause_map |= (1 << reason); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_NETIF_VI_QUEUE_OFF: |
| spin_lock_bh(&adapter->pause_map_lock); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| wlan_hdd_update_txq_timestamp(adapter->dev); |
| wlan_hdd_update_unpause_time(adapter); |
| adapter->pause_map |= (1 << reason); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_NETIF_VI_QUEUE_ON: |
| spin_lock_bh(&adapter->pause_map_lock); |
| temp_map = adapter->pause_map; |
| adapter->pause_map &= ~(1 << reason); |
| netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_VI); |
| wlan_hdd_update_pause_time(adapter, temp_map); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_NETIF_VO_QUEUE_OFF: |
| spin_lock_bh(&adapter->pause_map_lock); |
| netif_stop_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| wlan_hdd_update_txq_timestamp(adapter->dev); |
| wlan_hdd_update_unpause_time(adapter); |
| adapter->pause_map |= (1 << reason); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_NETIF_VO_QUEUE_ON: |
| spin_lock_bh(&adapter->pause_map_lock); |
| temp_map = adapter->pause_map; |
| adapter->pause_map &= ~(1 << reason); |
| netif_wake_subqueue(adapter->dev, HDD_LINUX_AC_VO); |
| wlan_hdd_update_pause_time(adapter, temp_map); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_START_ALL_NETIF_QUEUE: |
| spin_lock_bh(&adapter->pause_map_lock); |
| temp_map = adapter->pause_map; |
| adapter->pause_map &= ~(1 << reason); |
| if (!adapter->pause_map) { |
| netif_tx_start_all_queues(adapter->dev); |
| wlan_hdd_update_pause_time(adapter, temp_map); |
| } |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_WAKE_ALL_NETIF_QUEUE: |
| spin_lock_bh(&adapter->pause_map_lock); |
| temp_map = adapter->pause_map; |
| adapter->pause_map &= ~(1 << reason); |
| if (!adapter->pause_map) { |
| netif_tx_wake_all_queues(adapter->dev); |
| wlan_hdd_update_pause_time(adapter, temp_map); |
| } |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_WAKE_NON_PRIORITY_QUEUE: |
| spin_lock_bh(&adapter->pause_map_lock); |
| temp_map = adapter->pause_map; |
| adapter->pause_map &= ~(1 << reason); |
| if (!adapter->pause_map) { |
| wlan_hdd_wake_non_priority_queue(adapter); |
| wlan_hdd_update_pause_time(adapter, temp_map); |
| } |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_STOP_ALL_NETIF_QUEUE_N_CARRIER: |
| spin_lock_bh(&adapter->pause_map_lock); |
| if (!adapter->pause_map) { |
| netif_tx_stop_all_queues(adapter->dev); |
| wlan_hdd_update_txq_timestamp(adapter->dev); |
| wlan_hdd_update_unpause_time(adapter); |
| } |
| adapter->pause_map |= (1 << reason); |
| netif_carrier_off(adapter->dev); |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_START_ALL_NETIF_QUEUE_N_CARRIER: |
| spin_lock_bh(&adapter->pause_map_lock); |
| netif_carrier_on(adapter->dev); |
| temp_map = adapter->pause_map; |
| adapter->pause_map &= ~(1 << reason); |
| if (!adapter->pause_map) { |
| netif_tx_start_all_queues(adapter->dev); |
| wlan_hdd_update_pause_time(adapter, temp_map); |
| } |
| spin_unlock_bh(&adapter->pause_map_lock); |
| break; |
| |
| case WLAN_NETIF_ACTION_TYPE_NONE: |
| break; |
| |
| default: |
| hdd_err("unsupported action %d", action); |
| } |
| |
| spin_lock_bh(&adapter->pause_map_lock); |
| if (adapter->pause_map & (1 << WLAN_PEER_UNAUTHORISED)) |
| wlan_hdd_process_peer_unauthorised_pause(adapter); |
| |
| index = adapter->history_index++; |
| if (adapter->history_index == WLAN_HDD_MAX_HISTORY_ENTRY) |
| adapter->history_index = 0; |
| spin_unlock_bh(&adapter->pause_map_lock); |
| |
| wlan_hdd_update_queue_oper_stats(adapter, action, reason); |
| |
| adapter->queue_oper_history[index].time = qdf_system_ticks(); |
| adapter->queue_oper_history[index].netif_action = action; |
| adapter->queue_oper_history[index].netif_reason = reason; |
| adapter->queue_oper_history[index].pause_map = adapter->pause_map; |
| |
| txq_hist_ptr = &adapter->queue_oper_history[index]; |
| |
| wlan_hdd_update_queue_history_state(adapter->dev, txq_hist_ptr); |
| } |
| |
| void hdd_print_netdev_txq_status(struct net_device *dev) |
| { |
| unsigned int i; |
| |
| if (!dev) |
| return; |
| |
| for (i = 0; i < dev->num_tx_queues; i++) { |
| struct netdev_queue *txq = netdev_get_tx_queue(dev, i); |
| |
| hdd_debug("netdev tx queue[%u] state:0x%lx", |
| i, txq->state); |
| } |
| } |
| |
| #ifdef FEATURE_MONITOR_MODE_SUPPORT |
| /** |
| * hdd_set_mon_rx_cb() - Set Monitor mode Rx callback |
| * @dev: Pointer to net_device structure |
| * |
| * Return: 0 for success; non-zero for failure |
| */ |
| int hdd_set_mon_rx_cb(struct net_device *dev) |
| { |
| struct hdd_adapter *adapter = WLAN_HDD_GET_PRIV_PTR(dev); |
| int ret; |
| QDF_STATUS qdf_status; |
| struct ol_txrx_desc_type sta_desc = {0}; |
| struct ol_txrx_ops txrx_ops; |
| void *soc = cds_get_context(QDF_MODULE_ID_SOC); |
| void *pdev = cds_get_context(QDF_MODULE_ID_TXRX); |
| |
| qdf_mem_zero(&txrx_ops, sizeof(txrx_ops)); |
| txrx_ops.rx.rx = hdd_mon_rx_packet_cbk; |
| hdd_monitor_set_rx_monitor_cb(&txrx_ops, hdd_rx_monitor_callback); |
| cdp_vdev_register(soc, |
| (struct cdp_vdev *)cdp_get_mon_vdev_from_pdev(soc, |
| (struct cdp_pdev *)pdev), |
| adapter, (struct cdp_ctrl_objmgr_vdev *)adapter->vdev, |
| &txrx_ops); |
| /* peer is created wma_vdev_attach->wma_create_peer */ |
| qdf_status = cdp_peer_register(soc, |
| (struct cdp_pdev *)pdev, &sta_desc); |
| if (QDF_STATUS_SUCCESS != qdf_status) { |
| hdd_err("cdp_peer_register() failed to register. Status= %d [0x%08X]", |
| qdf_status, qdf_status); |
| goto exit; |
| } |
| |
| exit: |
| ret = qdf_status_to_os_return(qdf_status); |
| return ret; |
| } |
| #endif |
| |
| /** |
| * hdd_send_rps_ind() - send rps indication to daemon |
| * @adapter: adapter context |
| * |
| * If RPS feature enabled by INI, send RPS enable indication to daemon |
| * Indication contents is the name of interface to find correct sysfs node |
| * Should send all available interfaces |
| * |
| * Return: none |
| */ |
| void hdd_send_rps_ind(struct hdd_adapter *adapter) |
| { |
| int i; |
| uint8_t cpu_map_list_len = 0; |
| struct hdd_context *hdd_ctxt = NULL; |
| struct wlan_rps_data rps_data; |
| struct cds_config_info *cds_cfg; |
| |
| cds_cfg = cds_get_ini_config(); |
| |
| if (!adapter) { |
| hdd_err("adapter is NULL"); |
| return; |
| } |
| |
| if (!cds_cfg) { |
| hdd_err("cds_cfg is NULL"); |
| return; |
| } |
| |
| hdd_ctxt = WLAN_HDD_GET_CTX(adapter); |
| rps_data.num_queues = NUM_TX_QUEUES; |
| |
| hdd_info("cpu_map_list '%s'", hdd_ctxt->config->cpu_map_list); |
| |
| /* in case no cpu map list is provided, simply return */ |
| if (!strlen(hdd_ctxt->config->cpu_map_list)) { |
| hdd_err("no cpu map list found"); |
| goto err; |
| } |
| |
| if (QDF_STATUS_SUCCESS != |
| hdd_hex_string_to_u16_array(hdd_ctxt->config->cpu_map_list, |
| rps_data.cpu_map_list, |
| &cpu_map_list_len, |
| WLAN_SVC_IFACE_NUM_QUEUES)) { |
| hdd_err("invalid cpu map list"); |
| goto err; |
| } |
| |
| rps_data.num_queues = |
| (cpu_map_list_len < rps_data.num_queues) ? |
| cpu_map_list_len : rps_data.num_queues; |
| |
| for (i = 0; i < rps_data.num_queues; i++) { |
| hdd_info("cpu_map_list[%d] = 0x%x", |
| i, rps_data.cpu_map_list[i]); |
| } |
| |
| strlcpy(rps_data.ifname, adapter->dev->name, |
| sizeof(rps_data.ifname)); |
| wlan_hdd_send_svc_nlink_msg(hdd_ctxt->radio_index, |
| WLAN_SVC_RPS_ENABLE_IND, |
| &rps_data, sizeof(rps_data)); |
| |
| cds_cfg->rps_enabled = true; |
| |
| return; |
| |
| err: |
| hdd_err("Wrong RPS configuration. enabling rx_thread"); |
| cds_cfg->rps_enabled = false; |
| } |
| |
| /** |
| * hdd_send_rps_disable_ind() - send rps disable indication to daemon |
| * @adapter: adapter context |
| * |
| * Return: none |
| */ |
| void hdd_send_rps_disable_ind(struct hdd_adapter *adapter) |
| { |
| struct hdd_context *hdd_ctxt = NULL; |
| struct wlan_rps_data rps_data; |
| struct cds_config_info *cds_cfg; |
| |
| cds_cfg = cds_get_ini_config(); |
| |
| if (!adapter) { |
| hdd_err("adapter is NULL"); |
| return; |
| } |
| |
| if (!cds_cfg) { |
| hdd_err("cds_cfg is NULL"); |
| return; |
| } |
| |
| hdd_ctxt = WLAN_HDD_GET_CTX(adapter); |
| rps_data.num_queues = NUM_TX_QUEUES; |
| |
| hdd_info("Set cpu_map_list 0"); |
| |
| qdf_mem_zero(&rps_data.cpu_map_list, sizeof(rps_data.cpu_map_list)); |
| |
| strlcpy(rps_data.ifname, adapter->dev->name, sizeof(rps_data.ifname)); |
| wlan_hdd_send_svc_nlink_msg(hdd_ctxt->radio_index, |
| WLAN_SVC_RPS_ENABLE_IND, |
| &rps_data, sizeof(rps_data)); |
| |
| cds_cfg->rps_enabled = false; |
| } |
| |
| void hdd_tx_queue_cb(hdd_handle_t hdd_handle, uint32_t vdev_id, |
| enum netif_action_type action, |
| enum netif_reason_type reason) |
| { |
| struct hdd_context *hdd_ctx = hdd_handle_to_context(hdd_handle); |
| struct hdd_adapter *adapter; |
| |
| /* |
| * Validating the context is not required here. |
| * if there is a driver unload/SSR in progress happening in a |
| * different context and it has been scheduled to run and |
| * driver got a firmware event of sta kick out, then it is |
| * good to disable the Tx Queue to stop the influx of traffic. |
| */ |
| if (!hdd_ctx) { |
| hdd_err("Invalid context passed"); |
| return; |
| } |
| |
| adapter = hdd_get_adapter_by_vdev(hdd_ctx, vdev_id); |
| if (!adapter) { |
| hdd_err("vdev_id %d does not exist with host", vdev_id); |
| return; |
| } |
| hdd_debug("Tx Queue action %d on vdev %d", action, vdev_id); |
| |
| wlan_hdd_netif_queue_control(adapter, action, reason); |
| } |
| |
| #ifdef WLAN_FEATURE_DP_BUS_BANDWIDTH |
| /** |
| * hdd_reset_tcp_delack() - Reset tcp delack value to default |
| * @hdd_ctx: Handle to hdd context |
| * |
| * Function used to reset TCP delack value to its default value |
| * |
| * Return: None |
| */ |
| void hdd_reset_tcp_delack(struct hdd_context *hdd_ctx) |
| { |
| enum wlan_tp_level next_level = WLAN_SVC_TP_LOW; |
| struct wlan_rx_tp_data rx_tp_data = {0}; |
| |
| rx_tp_data.rx_tp_flags |= TCP_DEL_ACK_IND; |
| rx_tp_data.level = next_level; |
| hdd_ctx->rx_high_ind_cnt = 0; |
| wlan_hdd_update_tcp_rx_param(hdd_ctx, &rx_tp_data); |
| } |
| |
| /** |
| * hdd_is_current_high_throughput() - Check if vote level is high |
| * @hdd_ctx: Handle to hdd context |
| * |
| * Function used to check if vote level is high |
| * |
| * Return: True if vote level is high |
| */ |
| bool hdd_is_current_high_throughput(struct hdd_context *hdd_ctx) |
| { |
| if (hdd_ctx->cur_vote_level < PLD_BUS_WIDTH_HIGH) |
| return false; |
| else |
| return true; |
| } |
| #endif |
| |
| #ifdef QCA_LL_LEGACY_TX_FLOW_CONTROL |
| /** |
| * hdd_ini_tx_flow_control() - Initialize INIs concerned about tx flow control |
| * @config: pointer to hdd config |
| * @psoc: pointer to psoc obj |
| * |
| * Return: none |
| */ |
| static void hdd_ini_tx_flow_control(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| config->tx_flow_low_watermark = |
| cfg_get(psoc, CFG_DP_LL_TX_FLOW_LWM); |
| config->tx_flow_hi_watermark_offset = |
| cfg_get(psoc, CFG_DP_LL_TX_FLOW_HWM_OFFSET); |
| config->tx_flow_max_queue_depth = |
| cfg_get(psoc, CFG_DP_LL_TX_FLOW_MAX_Q_DEPTH); |
| config->tx_lbw_flow_low_watermark = |
| cfg_get(psoc, CFG_DP_LL_TX_LBW_FLOW_LWM); |
| config->tx_lbw_flow_hi_watermark_offset = |
| cfg_get(psoc, CFG_DP_LL_TX_LBW_FLOW_HWM_OFFSET); |
| config->tx_lbw_flow_max_queue_depth = |
| cfg_get(psoc, CFG_DP_LL_TX_LBW_FLOW_MAX_Q_DEPTH); |
| config->tx_hbw_flow_low_watermark = |
| cfg_get(psoc, CFG_DP_LL_TX_HBW_FLOW_LWM); |
| config->tx_hbw_flow_hi_watermark_offset = |
| cfg_get(psoc, CFG_DP_LL_TX_HBW_FLOW_HWM_OFFSET); |
| config->tx_hbw_flow_max_queue_depth = |
| cfg_get(psoc, CFG_DP_LL_TX_HBW_FLOW_MAX_Q_DEPTH); |
| } |
| #else |
| static void hdd_ini_tx_flow_control(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| } |
| #endif |
| |
| #ifdef WLAN_FEATURE_DP_BUS_BANDWIDTH |
| /** |
| * hdd_ini_tx_flow_control() - Initialize INIs concerned about bus bandwidth |
| * @config: pointer to hdd config |
| * @psoc: pointer to psoc obj |
| * |
| * Return: none |
| */ |
| static void hdd_ini_bus_bandwidth(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| config->bus_bw_very_high_threshold = |
| cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_VERY_HIGH_THRESHOLD); |
| config->bus_bw_high_threshold = |
| cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_HIGH_THRESHOLD); |
| config->bus_bw_medium_threshold = |
| cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_MEDIUM_THRESHOLD); |
| config->bus_bw_low_threshold = |
| cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_LOW_THRESHOLD); |
| config->bus_bw_compute_interval = |
| cfg_get(psoc, CFG_DP_BUS_BANDWIDTH_COMPUTE_INTERVAL); |
| } |
| |
| /** |
| * hdd_ini_tx_flow_control() - Initialize INIs concerned about tcp settings |
| * @config: pointer to hdd config |
| * @psoc: pointer to psoc obj |
| * |
| * Return: none |
| */ |
| static void hdd_ini_tcp_settings(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| config->enable_tcp_limit_output = |
| cfg_get(psoc, CFG_DP_ENABLE_TCP_LIMIT_OUTPUT); |
| config->enable_tcp_adv_win_scale = |
| cfg_get(psoc, CFG_DP_ENABLE_TCP_ADV_WIN_SCALE); |
| config->enable_tcp_delack = |
| cfg_get(psoc, CFG_DP_ENABLE_TCP_DELACK); |
| config->tcp_delack_thres_high = |
| cfg_get(psoc, CFG_DP_TCP_DELACK_THRESHOLD_HIGH); |
| config->tcp_delack_thres_low = |
| cfg_get(psoc, CFG_DP_TCP_DELACK_THRESHOLD_LOW); |
| config->tcp_delack_timer_count = |
| cfg_get(psoc, CFG_DP_TCP_DELACK_TIMER_COUNT); |
| config->tcp_tx_high_tput_thres = |
| cfg_get(psoc, CFG_DP_TCP_TX_HIGH_TPUT_THRESHOLD); |
| config->enable_tcp_param_update = |
| cfg_get(psoc, CFG_DP_ENABLE_TCP_PARAM_UPDATE); |
| } |
| #else |
| static void hdd_ini_bus_bandwidth(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| } |
| |
| static void hdd_ini_tcp_settings(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| } |
| #endif /*WLAN_FEATURE_DP_BUS_BANDWIDTH*/ |
| |
| /** |
| * hdd_set_rx_mode_value() - set rx_mode values |
| * @hdd_ctx: hdd context |
| * |
| * Return: none |
| */ |
| static void hdd_set_rx_mode_value(struct hdd_context *hdd_ctx) |
| { |
| uint32_t rx_mode = hdd_ctx->config->rx_mode; |
| enum QDF_GLOBAL_MODE con_mode = 0; |
| |
| con_mode = hdd_get_conparam(); |
| |
| /* RPS has higher priority than dynamic RPS when both bits are set */ |
| if (rx_mode & CFG_ENABLE_RPS && rx_mode & CFG_ENABLE_DYNAMIC_RPS) |
| rx_mode &= ~CFG_ENABLE_DYNAMIC_RPS; |
| |
| if (rx_mode & CFG_ENABLE_RX_THREAD && rx_mode & CFG_ENABLE_RPS) { |
| hdd_warn("rx_mode wrong configuration. Make it default"); |
| rx_mode = CFG_RX_MODE_DEFAULT; |
| } |
| |
| if (rx_mode & CFG_ENABLE_RX_THREAD) |
| hdd_ctx->enable_rxthread = true; |
| else if (rx_mode & CFG_ENABLE_DP_RX_THREADS) { |
| if (con_mode == QDF_GLOBAL_MONITOR_MODE) |
| hdd_ctx->enable_dp_rx_threads = false; |
| else |
| hdd_ctx->enable_dp_rx_threads = true; |
| } |
| |
| if (rx_mode & CFG_ENABLE_RPS) |
| hdd_ctx->rps = true; |
| |
| if (rx_mode & CFG_ENABLE_NAPI) |
| hdd_ctx->napi_enable = true; |
| |
| if (rx_mode & CFG_ENABLE_DYNAMIC_RPS) |
| hdd_ctx->dynamic_rps = true; |
| |
| hdd_debug("rx_mode:%u dp_rx_threads:%u rx_thread:%u napi:%u rps:%u dynamic rps %u", |
| rx_mode, hdd_ctx->enable_dp_rx_threads, |
| hdd_ctx->enable_rxthread, hdd_ctx->napi_enable, |
| hdd_ctx->rps, hdd_ctx->dynamic_rps); |
| } |
| |
| #ifdef CONFIG_DP_TRACE |
| static void |
| hdd_dp_dp_trace_cfg_update(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| qdf_size_t array_out_size; |
| |
| config->enable_dp_trace = cfg_get(psoc, CFG_DP_ENABLE_DP_TRACE); |
| qdf_uint8_array_parse(cfg_get(psoc, CFG_DP_DP_TRACE_CONFIG), |
| config->dp_trace_config, |
| sizeof(config->dp_trace_config), &array_out_size); |
| } |
| #else |
| static void |
| hdd_dp_dp_trace_cfg_update(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| } |
| #endif |
| |
| #ifdef WLAN_NUD_TRACKING |
| static void |
| hdd_dp_nud_tracking_cfg_update(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| config->enable_nud_tracking = cfg_get(psoc, CFG_DP_ENABLE_NUD_TRACKING); |
| } |
| #else |
| static void |
| hdd_dp_nud_tracking_cfg_update(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| } |
| #endif |
| |
| #ifdef QCA_SUPPORT_TXRX_DRIVER_TCP_DEL_ACK |
| static void hdd_ini_tcp_del_ack_settings(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| config->del_ack_threshold_high = |
| cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_HIGH_THRESHOLD); |
| config->del_ack_threshold_low = |
| cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_LOW_THRESHOLD); |
| config->del_ack_enable = |
| cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_ENABLE); |
| config->del_ack_pkt_count = |
| cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_PKT_CNT); |
| config->del_ack_timer_value = |
| cfg_get(psoc, CFG_DP_DRIVER_TCP_DELACK_TIMER_VALUE); |
| } |
| #else |
| static void hdd_ini_tcp_del_ack_settings(struct hdd_config *config, |
| struct wlan_objmgr_psoc *psoc) |
| { |
| } |
| #endif |
| |
| void hdd_dp_cfg_update(struct wlan_objmgr_psoc *psoc, |
| struct hdd_context *hdd_ctx) |
| { |
| struct hdd_config *config; |
| qdf_size_t array_out_size; |
| |
| config = hdd_ctx->config; |
| hdd_ini_tx_flow_control(config, psoc); |
| hdd_ini_bus_bandwidth(config, psoc); |
| hdd_ini_tcp_settings(config, psoc); |
| |
| hdd_ini_tcp_del_ack_settings(config, psoc); |
| |
| config->napi_cpu_affinity_mask = |
| cfg_get(psoc, CFG_DP_NAPI_CE_CPU_MASK); |
| config->rx_thread_affinity_mask = |
| cfg_get(psoc, CFG_DP_RX_THREAD_CPU_MASK); |
| qdf_uint8_array_parse(cfg_get(psoc, CFG_DP_RPS_RX_QUEUE_CPU_MAP_LIST), |
| config->cpu_map_list, |
| sizeof(config->cpu_map_list), &array_out_size); |
| config->tx_orphan_enable = cfg_get(psoc, CFG_DP_TX_ORPHAN_ENABLE); |
| config->rx_mode = cfg_get(psoc, CFG_DP_RX_MODE); |
| hdd_set_rx_mode_value(hdd_ctx); |
| config->multicast_replay_filter = |
| cfg_get(psoc, CFG_DP_FILTER_MULTICAST_REPLAY); |
| config->rx_wakelock_timeout = |
| cfg_get(psoc, CFG_DP_RX_WAKELOCK_TIMEOUT); |
| config->num_dp_rx_threads = cfg_get(psoc, CFG_DP_NUM_DP_RX_THREADS); |
| config->cfg_wmi_credit_cnt = cfg_get(psoc, CFG_DP_HTC_WMI_CREDIT_CNT); |
| hdd_dp_dp_trace_cfg_update(config, psoc); |
| hdd_dp_nud_tracking_cfg_update(config, psoc); |
| } |