core/hdd/inc/wlan_hdd_tx_rx.h

/*
 * Copyright (c) 2013-2015 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_TX_RX_H)
#define WLAN_HDD_TX_RX_H

/**
 *
 * DOC: wlan_hdd_tx_rx.h
 *
 * Linux HDD Tx/RX APIs
 */

#include <wlan_hdd_includes.h>
#include <cds_api.h>
#include <linux/skbuff.h>
#include "ol_txrx_osif_api.h"

#define HDD_ETHERTYPE_802_1_X              0x888E
#define HDD_ETHERTYPE_802_1_X_FRAME_OFFSET 12
#define HDD_ETHERTYPE_802_1_X_SIZE         2
#ifdef FEATURE_WLAN_WAPI
#define HDD_ETHERTYPE_WAI                  0x88b4
#endif

#define HDD_80211_HEADER_LEN      24
#define HDD_80211_HEADER_QOS_CTL  2
#define HDD_LLC_HDR_LEN           6
#define HDD_FRAME_TYPE_MASK       0x0c
#define HDD_FRAME_SUBTYPE_MASK    0xf0
#define HDD_FRAME_TYPE_DATA       0x08
#define HDD_FRAME_TYPE_MGMT       0x00
#define HDD_FRAME_SUBTYPE_QOSDATA 0x80
#define HDD_FRAME_SUBTYPE_DEAUTH  0xC0
#define HDD_FRAME_SUBTYPE_DISASSOC 0xA0
#define HDD_DEST_ADDR_OFFSET      6

#define HDD_MAC_HDR_SIZE          6

#define HDD_PSB_CFG_INVALID                   0xFF
#define HDD_PSB_CHANGED                       0xFF
#define SME_QOS_UAPSD_CFG_BK_CHANGED_MASK     0xF1
#define SME_QOS_UAPSD_CFG_BE_CHANGED_MASK     0xF2
#define SME_QOS_UAPSD_CFG_VI_CHANGED_MASK     0xF4
#define SME_QOS_UAPSD_CFG_VO_CHANGED_MASK     0xF8

#define HDD_ETH_HEADER_LEN     14

int hdd_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
void hdd_tx_timeout(struct net_device *dev);
CDF_STATUS hdd_init_tx_rx(hdd_adapter_t *pAdapter);
CDF_STATUS hdd_deinit_tx_rx(hdd_adapter_t *pAdapter);
CDF_STATUS hdd_rx_packet_cbk(void *cds_context, cdf_nbuf_t rxBufChain,
			     uint8_t staId);

#ifdef IPA_OFFLOAD
CDF_STATUS hdd_rx_mul_packet_cbk(void *cds_context,
				 cdf_nbuf_t rx_buf_list, uint8_t staId);
#endif /* IPA_OFFLOAD */

CDF_STATUS hdd_ibss_get_sta_id(hdd_station_ctx_t *pHddStaCtx,
			       struct cdf_mac_addr *pMacAddress,
			       uint8_t *staId);

#ifdef QCA_LL_LEGACY_TX_FLOW_CONTROL
void hdd_tx_resume_cb(void *adapter_context, bool tx_resume);
void hdd_tx_resume_timer_expired_handler(void *adapter_context);
void hdd_register_tx_flow_control(hdd_adapter_t *adapter,
		cdf_mc_timer_callback_t timer_callback,
		ol_txrx_tx_flow_control_fp flowControl);
void hdd_deregister_tx_flow_control(hdd_adapter_t *adapter);
void hdd_get_tx_resource(hdd_adapter_t *adapter,
			uint8_t STAId, uint16_t timer_value);

#else
static inline void hdd_tx_resume_cb(void *adapter_context, bool tx_resume)
{
	return;
}
static inline void hdd_tx_resume_timer_expired_handler(void *adapter_context)
{
	return;
}
static inline void hdd_register_tx_flow_control(hdd_adapter_t *adapter,
		cdf_mc_timer_callback_t timer_callback,
		ol_txrx_tx_flow_control_fp flowControl)
{
	return;
}
static inline void hdd_deregister_tx_flow_control(hdd_adapter_t *adapter)
{
	return;
}
static inline void hdd_get_tx_resource(hdd_adapter_t *adapter,
			uint8_t STAId, uint16_t timer_value)
{
	return;
}
#endif /* QCA_LL_LEGACY_TX_FLOW_CONTROL */

#ifdef FEATURE_WLAN_DIAG_SUPPORT
/**
 * wlan_hdd_log_eapol() - Function to check and extract EAPOL params
 * @skb:               skb data
 * @event_type:        One of enum wifi_connectivity_events to indicate Tx/Rx
 *
 * This function parses the input skb data to get the EAPOL params,if the
 * packet is EAPOL and store it in the pointer passed as input
 *
 * Return: None
 *
 */
void wlan_hdd_log_eapol(struct sk_buff *skb,
		uint8_t event_type);
#else
static inline void wlan_hdd_log_eapol(struct sk_buff *skb,
		uint8_t event_type)
{

}
#endif /* FEATURE_WLAN_DIAG_SUPPORT */


const char *hdd_reason_type_to_string(enum netif_reason_type reason);
const char *hdd_action_type_to_string(enum netif_action_type action);
void wlan_hdd_netif_queue_control(hdd_adapter_t *adapter,
		enum netif_action_type action, enum netif_reason_type reason);


#endif /* end #if !defined(WLAN_HDD_TX_RX_H) */