| /* |
| * Copyright (c) 2014 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * 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. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| |
| #if !defined( WLAN_HDD_SOFTAP_TX_RX_H ) |
| #define WLAN_HDD_SOFTAP_TX_RX_H |
| |
| /**=========================================================================== |
| |
| \file wlan_hdd_softap_tx_rx.h |
| |
| \brief Linux HDD SOFTAP Tx/RX APIs |
| |
| ==========================================================================*/ |
| |
| /*--------------------------------------------------------------------------- |
| Include files |
| -------------------------------------------------------------------------*/ |
| #include <wlan_hdd_hostapd.h> |
| |
| /*--------------------------------------------------------------------------- |
| Preprocessor definitions and constants |
| -------------------------------------------------------------------------*/ |
| #define HDD_SOFTAP_TX_BK_QUEUE_MAX_LEN (82*2) |
| #define HDD_SOFTAP_TX_BE_QUEUE_MAX_LEN (78*2) |
| #define HDD_SOFTAP_TX_VI_QUEUE_MAX_LEN (74*2) |
| #define HDD_SOFTAP_TX_VO_QUEUE_MAX_LEN (70*2) |
| |
| /*--------------------------------------------------------------------------- |
| Type declarations |
| -------------------------------------------------------------------------*/ |
| |
| /*--------------------------------------------------------------------------- |
| Function declarations and documentation |
| -------------------------------------------------------------------------*/ |
| |
| /**============================================================================ |
| @brief hdd_softap_hard_start_xmit() - Function registered with the Linux OS for |
| transmitting packets |
| |
| @param skb : [in] pointer to OS packet (sk_buff) |
| @param dev : [in] pointer to Libra softap network device |
| |
| @return : NET_XMIT_DROP if packets are dropped |
| : NET_XMIT_SUCCESS if packet is enqueued successfully |
| ===========================================================================*/ |
| extern int hdd_softap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev); |
| |
| /**============================================================================ |
| @brief hdd_softap_tx_timeout() - 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 |
| |
| @param dev : [in] pointer to Libra network device |
| @return : None |
| ===========================================================================*/ |
| extern void hdd_softap_tx_timeout(struct net_device *dev); |
| |
| /**============================================================================ |
| @brief hdd_softap_stats() - Function registered with the Linux OS for |
| device TX/RX statistics |
| |
| @param dev : [in] pointer to Libra network device |
| |
| @return : pointer to net_device_stats structure |
| ===========================================================================*/ |
| extern struct net_device_stats* hdd_softap_stats(struct net_device *dev); |
| |
| /**============================================================================ |
| @brief hdd_softap_init_tx_rx() - Init function to initialize Tx/RX |
| modules in HDD |
| |
| @param pAdapter : [in] pointer to adapter context |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| ===========================================================================*/ |
| extern VOS_STATUS hdd_softap_init_tx_rx( hdd_adapter_t *pAdapter ); |
| |
| /**============================================================================ |
| @brief hdd_softap_deinit_tx_rx() - Deinit function to clean up Tx/RX |
| modules in HDD |
| |
| @param pAdapter : [in] pointer to adapter context |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| ===========================================================================*/ |
| extern VOS_STATUS hdd_softap_deinit_tx_rx( hdd_adapter_t *pAdapter ); |
| |
| /**============================================================================ |
| @brief hdd_softap_init_tx_rx_sta() - Init function to initialize a station in Tx/RX |
| modules in HDD |
| |
| @param pAdapter : [in] pointer to adapter context |
| @param STAId : [in] Station ID to deinit |
| @param pmacAddrSTA : [in] pointer to the MAC address of the station |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| ===========================================================================*/ |
| extern VOS_STATUS hdd_softap_init_tx_rx_sta( hdd_adapter_t *pAdapter, v_U8_t STAId, v_MACADDR_t *pmacAddrSTA); |
| |
| /**============================================================================ |
| @brief hdd_softap_deinit_tx_rx_sta() - Deinit function to clean up a station |
| in Tx/RX modules in HDD |
| |
| @param pAdapter : [in] pointer to adapter context |
| @param STAId : [in] Station ID to deinit |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| ===========================================================================*/ |
| extern VOS_STATUS hdd_softap_deinit_tx_rx_sta ( hdd_adapter_t *pAdapter, v_U8_t STAId ); |
| |
| /**============================================================================ |
| @brief hdd_softap_rx_packet_cbk() - Receive callback registered with TL. |
| TL will call this to notify the HDD when a packet was received |
| for a registered STA. |
| |
| @param vosContext : [in] pointer to VOS context |
| @param rxBufChain : [in] pointer to adf_nbuf rx chain |
| @param staId : [in] Station Id |
| |
| @return : VOS_STATUS_E_FAILURE if any errors encountered, |
| : VOS_STATUS_SUCCESS otherwise |
| ===========================================================================*/ |
| extern VOS_STATUS hdd_softap_rx_packet_cbk(v_VOID_t *vosContext, |
| adf_nbuf_t rxBufChain, |
| v_U8_t staId); |
| |
| /**============================================================================ |
| @brief hdd_softap_DeregisterSTA - Deregister a station from TL block |
| |
| @param pAdapter : [in] pointer to adapter context |
| @param STAId : [in] Station ID to deregister |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| ===========================================================================*/ |
| extern VOS_STATUS hdd_softap_DeregisterSTA( hdd_adapter_t *pAdapter, tANI_U8 staId ); |
| |
| /**============================================================================ |
| @brief hdd_softap_RegisterSTA - Register a station into TL block |
| |
| @param pAdapter : [in] pointer to adapter context |
| @param STAId : [in] Station ID to deregister |
| @param fAuthRequired: [in] Station requires further security negotiation or not |
| @param fPrivacyBit : [in] privacy bit needs to be set or not |
| @param ucastSig : [in] Unicast Signature send to TL |
| @param bcastSig : [in] Broadcast Signature send to TL |
| @param pPeerMacAddress : [in] station MAC address |
| @param fWmmEnabled : [in] Wmm enabled sta or not |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| =========================================================================== */ |
| extern VOS_STATUS hdd_softap_RegisterSTA( hdd_adapter_t *pAdapter, |
| v_BOOL_t fAuthRequired, |
| v_BOOL_t fPrivacyBit, |
| v_U8_t staId, |
| v_U8_t ucastSig, |
| v_U8_t bcastSig, |
| v_MACADDR_t *pPeerMacAddress, |
| v_BOOL_t fWmmEnabled); |
| |
| /**============================================================================ |
| @brief hdd_softap_Register_BC_STA - Register a default broadcast station into TL block |
| |
| @param pAdapter : [in] pointer to adapter context |
| @param fPrivacyBit : [in] privacy bit needs to be set or not |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| =========================================================================== */ |
| extern VOS_STATUS hdd_softap_Register_BC_STA( hdd_adapter_t *pAdapter, v_BOOL_t fPrivacyBit); |
| |
| /**============================================================================ |
| @brief hdd_softap_DeregisterSTA - DeRegister the default broadcast station into TL block |
| |
| @param pAdapter : [in] pointer to adapter context |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| =========================================================================== */ |
| extern VOS_STATUS hdd_softap_Deregister_BC_STA( hdd_adapter_t *pAdapter); |
| |
| /**============================================================================ |
| @brief hdd_softap_stop_bss - Helper function to stop bss and do cleanup in HDD and TL |
| |
| @param pAdapter : [in] pointer to adapter context |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| =========================================================================== */ |
| extern VOS_STATUS hdd_softap_stop_bss( hdd_adapter_t *pHostapdAdapter); |
| |
| |
| /**============================================================================ |
| @brief hdd_softap_change_STA_state - Helper function to change station state by MAC address |
| |
| @param pAdapter : [in] pointer to adapter context |
| @param pDestMacAddress : [in] pointer to station MAC address |
| @param state : [in] new station state |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| =========================================================================== */ |
| extern VOS_STATUS hdd_softap_change_STA_state( hdd_adapter_t *pAdapter, v_MACADDR_t *pDestMacAddress, WLANTL_STAStateType state); |
| |
| /**============================================================================ |
| @brief hdd_softap_GetStaId - Helper function to get station Id from MAC address |
| |
| @param pAdapter : [in] pointer to adapter context |
| @param pDestMacAddress : [in] pointer to station MAC address |
| @param staId : [out] station id |
| @return : VOS_STATUS_E_FAILURE if any errors encountered |
| : VOS_STATUS_SUCCESS otherwise |
| =========================================================================== */ |
| extern VOS_STATUS hdd_softap_GetStaId( hdd_adapter_t *pAdapter, v_MACADDR_t *pMacAddress, v_U8_t *staId); |
| |
| #ifdef QCA_LL_TX_FLOW_CT |
| /**============================================================================ |
| @brief hdd_softap_tx_resume_timer_expired_handler() - Resume OS TX Q timer |
| expired handler for SAP and P2P GO interface. |
| If Blocked OS Q is not resumed during timeout period, to prevent |
| permanent stall, resume OS Q forcefully for SAP and P2P GO interface. |
| |
| @param adapter_context : [in] pointer to vdev adapter |
| |
| @return : NONE |
| ===========================================================================*/ |
| void hdd_softap_tx_resume_timer_expired_handler(void *adapter_context); |
| |
| /**============================================================================ |
| @brief hdd_softap_tx_resume_cb() - Resume OS TX Q. |
| Q was stopped due to WLAN TX path low resource condition |
| |
| @param adapter_context : [in] pointer to vdev adapter |
| @param tx_resume : [in] TX Q resume trigger |
| |
| @return : NONE |
| ===========================================================================*/ |
| void hdd_softap_tx_resume_cb(void *adapter_context, |
| v_BOOL_t tx_resume); |
| #endif /* QCA_LL_TX_FLOW_CT */ |
| #endif // end #if !defined( WLAN_HDD_SOFTAP_TX_RX_H ) |