/*
 * Copyright (c) 2019 AVM GmbH <info@avm.de>.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _ATH_CARR_PLTFRM_H_	
#define _ATH_CARR_PLTFRM_H_

#include <linux/skbuff.h>

#define CARRIER_PLTFRM_PRIVATE_SET __stringify(vlanID)
#define CARRIER_PLTFRM_PRIVATE_GET __stringify(get_vlanID)

#define PARTNER_COMPILE_TIME_ASSERT(assertion_name, predicate) \
    typedef char assertion_name[(predicate) ? 1 : -1]

#define PARTNER_ETHTOOL_SUPPORTED (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))

#define LITE_PATH_HEADROOM 128
#define LITE_PATH_TAILROOM 192
#define LITE_PATH_LIMIT ( 2048 - ( LITE_PATH_HEADROOM + LITE_PATH_TAILROOM ) )

/*PPA buffer size is fixed to 2048.
To accommodate RX descriptor + buffer, RX_BUF_SIZE(1728) isn't enough.
So, we use 96 bytes from the PPA headroom.
Effectively PPA headroom is decreased from 128 bytes to 32 bytes.
*/
#define RX_USE_ON_PP_HEADER 96
#define HTT_RX_BUF_SIZE_3PP ( LITE_PATH_LIMIT + RX_USE_ON_PP_HEADER )

#define HTT_LOG2_MAX_CACHE_LINE_SIZE_3PP 3

#define HTT_MAX_CACHE_LINE_SIZE_MASK_3PP ((1 << HTT_LOG2_MAX_CACHE_LINE_SIZE_3PP) - 1)

PARTNER_COMPILE_TIME_ASSERT(htt_rx_buff_size_quantum1, (HTT_RX_BUF_SIZE_3PP & 0x3) == 0);	

PARTNER_COMPILE_TIME_ASSERT(htt_rx_buff_size_quantum2,
    (HTT_RX_BUF_SIZE_3PP & HTT_MAX_CACHE_LINE_SIZE_MASK_3PP) == 0);

struct partner_com_param{
    void *bdx_ppa_subif;
};

struct partner_vap_param{
    void *bdx_ppa_subif;
};

struct ieee80211com;
typedef struct ieee80211com *wlan_dev_t;
struct ieee80211vap;
typedef struct ieee80211vap *wlan_if_t;
struct _os_if_t;
typedef struct _os_if_t *os_if_t;

static inline void osif_pltfrm_record_macinfor(unsigned char unit, unsigned char* mac) { }
static inline int ospriv_pltfrm_vlan_skip(void)
{
    return 0;
}

static inline uint8_t * bufcarr_pltfrm_nbufdata (struct sk_buff *skb)
{
    return skb->data;
}

static inline int bufcarr_pltfrm_rxbufsize (void)
{
    return HTT_RX_BUF_SIZE_3PP;
}
static inline int bufcarr_pltfrm_rxcachesize ( void )
{
    return HTT_LOG2_MAX_CACHE_LINE_SIZE_3PP;
}

static inline void wlan_pltfrm_attach(struct net_device *dev) { }
static inline void wlan_pltfrm_detach(struct net_device *dev) { }
static inline void osif_pltfrm_create_vap(void *osifp) { }
static inline void osif_pltfrm_delete_vap(void *osifp) { }

int wlan_pltfrm_set_param(wlan_if_t vaphandle, u_int32_t val);
int wlan_pltfrm_get_param(wlan_if_t vaphandle);

void osif_pltfrm_vlan_feature_set(struct net_device *dev);
bool __must_check osif_pltfrm_deliver_data(os_if_t osif, struct sk_buff *skb);
bool __must_check osif_pltfrm_deliver_data_extwds(struct net_device *dev, struct sk_buff *skb);
void osif_pltfrm_vap_init(struct net_device *dev);
void osif_pltfrm_vap_stop(wlan_if_t vap, struct net_device *dev);
void osif_pltfrm_extwds_init(struct net_device *dev);
void osif_pltfrm_extwds_stop(struct net_device *dev);

void ath_pltfrm_init(struct net_device *dev);
void ath_pltfrm_exit(struct net_device *dev);
struct sk_buff* ath_pltfrm_nbufalloc ( struct net_device *dev, int32_t size, int32_t reserve, int32_t align );

void *bufcarr_pltfrm_rxdesc(struct sk_buff *msdu);
void bufcarr_pltfrm_setpktlen(struct sk_buff *skb, uint32_t len);
int bufcarr_pltfrm_rxsize(struct sk_buff *buf, int rx_desc_size);
int bufcarr_pltfrm_nbufmap ( qdf_device_t osdev, struct sk_buff *rx_netbuf, qdf_dma_dir_t dir);

void WAR_PLTFRM_PCI_WRITE32(char *addr, u32 offset, u32 value, unsigned int war1);

#endif /* _ATH_CARR_1_H_ */