blob: 5bae8d468e23eb1b717058e0ded2d578f89a9afe [file] [log] [blame]
/*
* Driver for KeyStream wireless LAN
*
* Copyright (c) 2005-2008 KeyStream Corp.
* Copyright (C) 2009 Renesas Technology Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _KS_HOSTIF_H_
#define _KS_HOSTIF_H_
#include <linux/compiler.h>
/*
* HOST-MAC I/F events
*/
#define HIF_DATA_REQ 0xE001
#define HIF_DATA_IND 0xE801
#define HIF_MIB_GET_REQ 0xE002
#define HIF_MIB_GET_CONF 0xE802
#define HIF_MIB_SET_REQ 0xE003
#define HIF_MIB_SET_CONF 0xE803
#define HIF_POWER_MGMT_REQ 0xE004
#define HIF_POWER_MGMT_CONF 0xE804
#define HIF_START_REQ 0xE005
#define HIF_START_CONF 0xE805
#define HIF_CONNECT_IND 0xE806
#define HIF_STOP_REQ 0xE006
#define HIF_STOP_CONF 0xE807
#define HIF_PS_ADH_SET_REQ 0xE007
#define HIF_PS_ADH_SET_CONF 0xE808
#define HIF_INFRA_SET_REQ 0xE008
#define HIF_INFRA_SET_CONF 0xE809
#define HIF_ADH_SET_REQ 0xE009
#define HIF_ADH_SET_CONF 0xE80A
#define HIF_AP_SET_REQ 0xE00A
#define HIF_AP_SET_CONF 0xE80B
#define HIF_ASSOC_INFO_IND 0xE80C
#define HIF_MIC_FAILURE_REQ 0xE00B
#define HIF_MIC_FAILURE_CONF 0xE80D
#define HIF_SCAN_REQ 0xE00C
#define HIF_SCAN_CONF 0xE80E
#define HIF_PHY_INFO_REQ 0xE00D
#define HIF_PHY_INFO_CONF 0xE80F
#define HIF_SLEEP_REQ 0xE00E
#define HIF_SLEEP_CONF 0xE810
#define HIF_PHY_INFO_IND 0xE811
#define HIF_SCAN_IND 0xE812
#define HIF_INFRA_SET2_REQ 0xE00F
#define HIF_INFRA_SET2_CONF 0xE813
#define HIF_ADH_SET2_REQ 0xE010
#define HIF_ADH_SET2_CONF 0xE814
#define HIF_REQ_MAX 0xE010
/*
* HOST-MAC I/F data structure
* Byte alignmet Little Endian
*/
struct hostif_hdr {
__le16 size;
__le16 event;
} __packed;
struct hostif_data_request_t {
struct hostif_hdr header;
__le16 auth_type;
#define TYPE_DATA 0x0000
#define TYPE_AUTH 0x0001
__le16 reserved;
u8 data[0];
} __packed;
struct hostif_data_indication_t {
struct hostif_hdr header;
__le16 auth_type;
/* #define TYPE_DATA 0x0000 */
#define TYPE_PMK1 0x0001
#define TYPE_GMK1 0x0002
#define TYPE_GMK2 0x0003
__le16 reserved;
u8 data[0];
} __packed;
#define CHANNEL_LIST_MAX_SIZE 14
struct channel_list_t {
u8 size;
u8 body[CHANNEL_LIST_MAX_SIZE];
u8 pad;
} __packed;
/* MIB Attribute */
#define DOT11_MAC_ADDRESS 0x21010100 /* MAC Address (R) */
#define DOT11_PRODUCT_VERSION 0x31024100 /* FirmWare Version (R) */
#define DOT11_RTS_THRESHOLD 0x21020100 /* RTS Threshold (R/W) */
#define DOT11_FRAGMENTATION_THRESHOLD 0x21050100 /* Fragment Threshold (R/W) */
#define DOT11_PRIVACY_INVOKED 0x15010100 /* WEP ON/OFF (W) */
#define DOT11_WEP_DEFAULT_KEY_ID 0x15020100 /* WEP Index (W) */
#define DOT11_WEP_DEFAULT_KEY_VALUE1 0x13020101 /* WEP Key#1(TKIP AES: PairwiseTemporalKey) (W) */
#define DOT11_WEP_DEFAULT_KEY_VALUE2 0x13020102 /* WEP Key#2(TKIP AES: GroupKey1) (W) */
#define DOT11_WEP_DEFAULT_KEY_VALUE3 0x13020103 /* WEP Key#3(TKIP AES: GroupKey2) (W) */
#define DOT11_WEP_DEFAULT_KEY_VALUE4 0x13020104 /* WEP Key#4 (W) */
#define DOT11_WEP_LIST 0x13020100 /* WEP LIST */
#define DOT11_DESIRED_SSID 0x11090100 /* SSID */
#define DOT11_CURRENT_CHANNEL 0x45010100 /* channel set */
#define DOT11_OPERATION_RATE_SET 0x11110100 /* rate set */
#define LOCAL_AP_SEARCH_INTEAVAL 0xF1010100 /* AP search interval (R/W) */
#define LOCAL_CURRENTADDRESS 0xF1050100 /* MAC Address change (W) */
#define LOCAL_MULTICAST_ADDRESS 0xF1060100 /* Multicast Address (W) */
#define LOCAL_MULTICAST_FILTER 0xF1060200 /* Multicast Address Filter enable/disable (W) */
#define LOCAL_SEARCHED_AP_LIST 0xF1030100 /* AP list (R) */
#define LOCAL_LINK_AP_STATUS 0xF1040100 /* Link AP status (R) */
#define LOCAL_PACKET_STATISTICS 0xF1020100 /* tx,rx packets statistics */
#define LOCAL_AP_SCAN_LIST_TYPE_SET 0xF1030200 /* AP_SCAN_LIST_TYPE */
#define DOT11_RSN_ENABLED 0x15070100 /* WPA enable/disable (W) */
#define LOCAL_RSN_MODE 0x56010100 /* RSN mode WPA/WPA2 (W) */
#define DOT11_RSN_CONFIG_MULTICAST_CIPHER 0x51040100 /* GroupKeyCipherSuite (W) */
#define DOT11_RSN_CONFIG_UNICAST_CIPHER 0x52020100 /* PairwiseKeyCipherSuite (W) */
#define DOT11_RSN_CONFIG_AUTH_SUITE 0x53020100 /* AuthenticationKeyManagementSuite (W) */
#define DOT11_RSN_CONFIG_VERSION 0x51020100 /* RSN version (W) */
#define LOCAL_RSN_CONFIG_ALL 0x5F010100 /* RSN CONFIG ALL (W) */
#define DOT11_PMK_TSC 0x55010100 /* PMK_TSC (W) */
#define DOT11_GMK1_TSC 0x55010101 /* GMK1_TSC (W) */
#define DOT11_GMK2_TSC 0x55010102 /* GMK2_TSC (W) */
#define DOT11_GMK3_TSC 0x55010103 /* GMK3_TSC */
#define LOCAL_PMK 0x58010100 /* Pairwise Master Key cache (W) */
#define LOCAL_REGION 0xF10A0100 /* Region setting */
#ifdef WPS
#define LOCAL_WPS_ENABLE 0xF10B0100 /* WiFi Protected Setup */
#define LOCAL_WPS_PROBE_REQ 0xF10C0100 /* WPS Probe Request */
#endif /* WPS */
#define LOCAL_GAIN 0xF10D0100 /* Carrer sense threshold for demo ato show */
#define LOCAL_EEPROM_SUM 0xF10E0100 /* EEPROM checksum information */
struct hostif_mib_get_request_t {
struct hostif_hdr header;
__le32 mib_attribute;
} __packed;
struct hostif_mib_value_t {
__le16 size;
__le16 type;
#define MIB_VALUE_TYPE_NULL 0
#define MIB_VALUE_TYPE_INT 1
#define MIB_VALUE_TYPE_BOOL 2
#define MIB_VALUE_TYPE_COUNT32 3
#define MIB_VALUE_TYPE_OSTRING 4
u8 body[0];
} __packed;
struct hostif_mib_get_confirm_t {
struct hostif_hdr header;
__le32 mib_status;
#define MIB_SUCCESS 0
#define MIB_INVALID 1
#define MIB_READ_ONLY 2
#define MIB_WRITE_ONLY 3
__le32 mib_attribute;
struct hostif_mib_value_t mib_value;
} __packed;
struct hostif_mib_set_request_t {
struct hostif_hdr header;
__le32 mib_attribute;
struct hostif_mib_value_t mib_value;
} __packed;
struct hostif_mib_set_confirm_t {
struct hostif_hdr header;
__le32 mib_status;
__le32 mib_attribute;
} __packed;
struct hostif_power_mgmt_request_t {
struct hostif_hdr header;
__le32 mode;
#define POWER_ACTIVE 1
#define POWER_SAVE 2
__le32 wake_up;
#define SLEEP_FALSE 0
#define SLEEP_TRUE 1 /* not used */
__le32 receive_dtims;
#define DTIM_FALSE 0
#define DTIM_TRUE 1
} __packed;
enum power_mgmt_mode_type {
POWER_MGMT_ACTIVE,
POWER_MGMT_SAVE1,
POWER_MGMT_SAVE2
};
#define RESULT_SUCCESS 0
#define RESULT_INVALID_PARAMETERS 1
#define RESULT_NOT_SUPPORTED 2
/* #define RESULT_ALREADY_RUNNING 3 */
#define RESULT_ALREADY_RUNNING 7
struct hostif_power_mgmt_confirm_t {
struct hostif_hdr header;
__le16 result_code;
} __packed;
struct hostif_start_request_t {
struct hostif_hdr header;
__le16 mode;
#define MODE_PSEUDO_ADHOC 0
#define MODE_INFRASTRUCTURE 1
#define MODE_AP 2 /* not used */
#define MODE_ADHOC 3
} __packed;
struct hostif_start_confirm_t {
struct hostif_hdr header;
__le16 result_code;
} __packed;
#define SSID_MAX_SIZE 32
struct ssid_t {
u8 size;
u8 body[SSID_MAX_SIZE];
u8 ssid_pad;
} __packed;
#define RATE_SET_MAX_SIZE 16
struct rate_set8_t {
u8 size;
u8 body[8];
u8 rate_pad;
} __packed;
struct fh_parms_t {
__le16 dwell_time;
u8 hop_set;
u8 hop_pattern;
u8 hop_index;
} __packed;
struct ds_parms_t {
u8 channel;
} __packed;
struct cf_parms_t {
u8 count;
u8 period;
__le16 max_duration;
__le16 dur_remaining;
} __packed;
struct ibss_parms_t {
__le16 atim_window;
} __packed;
struct rsn_t {
u8 size;
#define RSN_BODY_SIZE 64
u8 body[RSN_BODY_SIZE];
} __packed;
struct erp_params_t {
u8 erp_info;
} __packed;
struct rate_set16_t {
u8 size;
u8 body[16];
u8 rate_pad;
} __packed;
struct ap_info_t {
u8 bssid[6]; /* +00 */
u8 rssi; /* +06 */
u8 sq; /* +07 */
u8 noise; /* +08 */
u8 pad0; /* +09 */
__le16 beacon_period; /* +10 */
__le16 capability; /* +12 */
#define BSS_CAP_ESS BIT(0)
#define BSS_CAP_IBSS BIT(1)
#define BSS_CAP_CF_POLABLE BIT(2)
#define BSS_CAP_CF_POLL_REQ BIT(3)
#define BSS_CAP_PRIVACY BIT(4)
#define BSS_CAP_SHORT_PREAMBLE BIT(5)
#define BSS_CAP_PBCC BIT(6)
#define BSS_CAP_CHANNEL_AGILITY BIT(7)
#define BSS_CAP_SHORT_SLOT_TIME BIT(10)
#define BSS_CAP_DSSS_OFDM BIT(13)
u8 frame_type; /* +14 */
u8 ch_info; /* +15 */
#define FRAME_TYPE_BEACON 0x80
#define FRAME_TYPE_PROBE_RESP 0x50
__le16 body_size; /* +16 */
u8 body[1024]; /* +18 */
/* +1032 */
} __packed;
struct link_ap_info_t {
u8 bssid[6]; /* +00 */
u8 rssi; /* +06 */
u8 sq; /* +07 */
u8 noise; /* +08 */
u8 pad0; /* +09 */
__le16 beacon_period; /* +10 */
__le16 capability; /* +12 */
struct rate_set8_t rate_set; /* +14 */
struct fh_parms_t fh_parameter; /* +24 */
struct ds_parms_t ds_parameter; /* +29 */
struct cf_parms_t cf_parameter; /* +30 */
struct ibss_parms_t ibss_parameter; /* +36 */
struct erp_params_t erp_parameter; /* +38 */
u8 pad1; /* +39 */
struct rate_set8_t ext_rate_set; /* +40 */
u8 DTIM_period; /* +50 */
u8 rsn_mode; /* +51 */
#define RSN_MODE_NONE 0
#define RSN_MODE_WPA 1
#define RSN_MODE_WPA2 2
struct {
u8 size; /* +52 */
u8 body[128]; /* +53 */
} __packed rsn;
} __packed;
struct hostif_connect_indication_t {
struct hostif_hdr header;
__le16 connect_code;
#define RESULT_CONNECT 0
#define RESULT_DISCONNECT 1
struct link_ap_info_t link_ap_info;
} __packed;
struct hostif_stop_request_t {
struct hostif_hdr header;
} __packed;
struct hostif_stop_confirm_t {
struct hostif_hdr header;
__le16 result_code;
} __packed;
/**
* struct hostif_ps_adhoc_set_request_t - pseudo adhoc mode
* @capability: bit5 : preamble
* bit6 : pbcc - Not supported always 0
* bit10 : ShortSlotTime
* bit13 : DSSS-OFDM - Not supported always 0
*/
struct hostif_ps_adhoc_set_request_t {
struct hostif_hdr header;
__le16 phy_type;
#define D_11B_ONLY_MODE 0
#define D_11G_ONLY_MODE 1
#define D_11BG_COMPATIBLE_MODE 2
#define D_11A_ONLY_MODE 3
__le16 cts_mode;
#define CTS_MODE_FALSE 0
#define CTS_MODE_TRUE 1
__le16 channel;
struct rate_set16_t rate_set;
__le16 capability;
__le16 scan_type;
} __packed;
struct hostif_ps_adhoc_set_confirm_t {
struct hostif_hdr header;
__le16 result_code;
} __packed;
/**
* struct hostif_infrastructure_set_request_t
* @capability: bit5 : preamble
* bit6 : pbcc - Not supported always 0
* bit10 : ShortSlotTime
* bit13 : DSSS-OFDM - Not supported always 0
*/
struct hostif_infrastructure_set_request_t {
struct hostif_hdr header;
__le16 phy_type;
__le16 cts_mode;
struct rate_set16_t rate_set;
struct ssid_t ssid;
__le16 capability;
__le16 beacon_lost_count;
__le16 auth_type;
#define AUTH_TYPE_OPEN_SYSTEM 0
#define AUTH_TYPE_SHARED_KEY 1
struct channel_list_t channel_list;
__le16 scan_type;
} __packed;
/**
* struct hostif_infrastructure_set2_request_t
* @capability: bit5 : preamble
* bit6 : pbcc - Not supported always 0
* bit10 : ShortSlotTime
* bit13 : DSSS-OFDM - Not supported always 0
*/
struct hostif_infrastructure_set2_request_t {
struct hostif_hdr header;
__le16 phy_type;
__le16 cts_mode;
struct rate_set16_t rate_set;
struct ssid_t ssid;
__le16 capability;
__le16 beacon_lost_count;
__le16 auth_type;
#define AUTH_TYPE_OPEN_SYSTEM 0
#define AUTH_TYPE_SHARED_KEY 1
struct channel_list_t channel_list;
__le16 scan_type;
u8 bssid[ETH_ALEN];
} __packed;
struct hostif_infrastructure_set_confirm_t {
struct hostif_hdr header;
__le16 result_code;
} __packed;
/**
* struct hostif_adhoc_set_request_t
* @capability: bit5 : preamble
* bit6 : pbcc - Not supported always 0
* bit10 : ShortSlotTime
* bit13 : DSSS-OFDM - Not supported always 0
*/
struct hostif_adhoc_set_request_t {
struct hostif_hdr header;
__le16 phy_type;
__le16 cts_mode;
__le16 channel;
struct rate_set16_t rate_set;
struct ssid_t ssid;
__le16 capability;
__le16 scan_type;
} __packed;
/**
* struct hostif_adhoc_set2_request_t
* @capability: bit5 : preamble
* bit6 : pbcc - Not supported always 0
* bit10 : ShortSlotTime
* bit13 : DSSS-OFDM - Not supported always 0
*/
struct hostif_adhoc_set2_request_t {
struct hostif_hdr header;
__le16 phy_type;
__le16 cts_mode;
__le16 reserved;
struct rate_set16_t rate_set;
struct ssid_t ssid;
__le16 capability;
__le16 scan_type;
struct channel_list_t channel_list;
u8 bssid[ETH_ALEN];
} __packed;
struct hostif_adhoc_set_confirm_t {
struct hostif_hdr header;
__le16 result_code;
} __packed;
struct last_associate_t {
u8 type;
u8 status;
} __packed;
struct association_request_t {
u8 type;
#define FRAME_TYPE_ASSOC_REQ 0x00
#define FRAME_TYPE_REASSOC_REQ 0x20
u8 pad;
__le16 capability;
__le16 listen_interval;
u8 ap_address[6];
__le16 req_ies_size;
} __packed;
struct association_response_t {
u8 type;
#define FRAME_TYPE_ASSOC_RESP 0x10
#define FRAME_TYPE_REASSOC_RESP 0x30
u8 pad;
__le16 capability;
__le16 status;
__le16 association_id;
__le16 resp_ies_size;
} __packed;
struct hostif_associate_indication_t {
struct hostif_hdr header;
struct association_request_t assoc_req;
struct association_response_t assoc_resp;
/* followed by (req_ies_size + resp_ies_size) octets of data */
/* reqIEs data *//* respIEs data */
} __packed;
struct hostif_bss_scan_request_t {
struct hostif_hdr header;
u8 scan_type;
#define ACTIVE_SCAN 0
#define PASSIVE_SCAN 1
u8 pad[3];
__le32 ch_time_min;
__le32 ch_time_max;
struct channel_list_t channel_list;
struct ssid_t ssid;
} __packed;
struct hostif_bss_scan_confirm_t {
struct hostif_hdr header;
__le16 result_code;
__le16 reserved;
} __packed;
struct hostif_phy_information_request_t {
struct hostif_hdr header;
__le16 type;
#define NORMAL_TYPE 0
#define TIME_TYPE 1
__le16 time; /* unit 100ms */
} __packed;
struct hostif_phy_information_confirm_t {
struct hostif_hdr header;
u8 rssi;
u8 sq;
u8 noise;
u8 link_speed;
__le32 tx_frame;
__le32 rx_frame;
__le32 tx_error;
__le32 rx_error;
} __packed;
enum sleep_mode_type {
SLP_ACTIVE,
SLP_SLEEP
};
struct hostif_sleep_request_t {
struct hostif_hdr header;
} __packed;
struct hostif_sleep_confirm_t {
struct hostif_hdr header;
__le16 result_code;
} __packed;
struct hostif_mic_failure_request_t {
struct hostif_hdr header;
__le16 failure_count;
__le16 timer;
} __packed;
struct hostif_mic_failure_confirm_t {
struct hostif_hdr header;
__le16 result_code;
} __packed;
#define BASIC_RATE 0x80
#define RATE_MASK 0x7F
#define TX_RATE_AUTO 0xff
#define TX_RATE_1M_FIXED 0
#define TX_RATE_2M_FIXED 1
#define TX_RATE_1_2M_AUTO 2
#define TX_RATE_5M_FIXED 3
#define TX_RATE_11M_FIXED 4
#define TX_RATE_FULL_AUTO 0
#define TX_RATE_11_AUTO 1
#define TX_RATE_11B_AUTO 2
#define TX_RATE_11BG_AUTO 3
#define TX_RATE_MANUAL_AUTO 4
#define TX_RATE_FIXED 5
/* 11b rate */
#define TX_RATE_1M (uint8_t)(10 / 5) /* 11b 11g basic rate */
#define TX_RATE_2M (uint8_t)(20 / 5) /* 11b 11g basic rate */
#define TX_RATE_5M (uint8_t)(55 / 5) /* 11g basic rate */
#define TX_RATE_11M (uint8_t)(110 / 5) /* 11g basic rate */
/* 11g rate */
#define TX_RATE_6M (uint8_t)(60 / 5) /* 11g basic rate */
#define TX_RATE_12M (uint8_t)(120 / 5) /* 11g basic rate */
#define TX_RATE_24M (uint8_t)(240 / 5) /* 11g basic rate */
#define TX_RATE_9M (uint8_t)(90 / 5)
#define TX_RATE_18M (uint8_t)(180 / 5)
#define TX_RATE_36M (uint8_t)(360 / 5)
#define TX_RATE_48M (uint8_t)(480 / 5)
#define TX_RATE_54M (uint8_t)(540 / 5)
#define IS_11B_RATE(A) (((A & RATE_MASK) == TX_RATE_1M) || ((A & RATE_MASK) == TX_RATE_2M) || \
((A & RATE_MASK) == TX_RATE_5M) || ((A & RATE_MASK) == TX_RATE_11M))
#define IS_OFDM_RATE(A) (((A & RATE_MASK) == TX_RATE_6M) || ((A & RATE_MASK) == TX_RATE_12M) || \
((A & RATE_MASK) == TX_RATE_24M) || ((A & RATE_MASK) == TX_RATE_9M) || \
((A & RATE_MASK) == TX_RATE_18M) || ((A & RATE_MASK) == TX_RATE_36M) || \
((A & RATE_MASK) == TX_RATE_48M) || ((A & RATE_MASK) == TX_RATE_54M))
#define IS_11BG_RATE(A) (IS_11B_RATE(A) || IS_OFDM_RATE(A))
#define IS_OFDM_EXT_RATE(A) (((A & RATE_MASK) == TX_RATE_9M) || ((A & RATE_MASK) == TX_RATE_18M) || \
((A & RATE_MASK) == TX_RATE_36M) || ((A & RATE_MASK) == TX_RATE_48M) || \
((A & RATE_MASK) == TX_RATE_54M))
enum connect_status_type {
CONNECT_STATUS,
DISCONNECT_STATUS
};
enum preamble_type {
LONG_PREAMBLE,
SHORT_PREAMBLE
};
enum multicast_filter_type {
MCAST_FILTER_MCAST,
MCAST_FILTER_MCASTALL,
MCAST_FILTER_PROMISC,
};
#define NIC_MAX_MCAST_LIST 32
/* macro function */
#define HIF_EVENT_MASK 0xE800
#define IS_HIF_IND(_EVENT) ((_EVENT & HIF_EVENT_MASK) == 0xE800 && \
((_EVENT & ~HIF_EVENT_MASK) == 0x0001 || \
(_EVENT & ~HIF_EVENT_MASK) == 0x0006 || \
(_EVENT & ~HIF_EVENT_MASK) == 0x000C || \
(_EVENT & ~HIF_EVENT_MASK) == 0x0011 || \
(_EVENT & ~HIF_EVENT_MASK) == 0x0012))
#define IS_HIF_CONF(_EVENT) ((_EVENT & HIF_EVENT_MASK) == 0xE800 && \
(_EVENT & ~HIF_EVENT_MASK) > 0x0000 && \
(_EVENT & ~HIF_EVENT_MASK) < 0x0012 && \
!IS_HIF_IND(_EVENT))
#ifdef __KERNEL__
#include "ks_wlan.h"
/* function prototype */
int hostif_data_request(struct ks_wlan_private *priv, struct sk_buff *skb);
void hostif_receive(struct ks_wlan_private *priv, unsigned char *p,
unsigned int size);
void hostif_sme_enqueue(struct ks_wlan_private *priv, uint16_t event);
int hostif_init(struct ks_wlan_private *priv);
void hostif_exit(struct ks_wlan_private *priv);
int ks_wlan_hw_tx(struct ks_wlan_private *priv, void *p, unsigned long size,
void (*complete_handler)(struct ks_wlan_private *priv,
struct sk_buff *skb),
struct sk_buff *skb);
void send_packet_complete(struct ks_wlan_private *priv, struct sk_buff *skb);
void ks_wlan_hw_wakeup_request(struct ks_wlan_private *priv);
int ks_wlan_hw_power_save(struct ks_wlan_private *priv);
static
inline int hif_align_size(int size)
{
#ifdef KS_ATOM
if (size < 1024)
size = 1024;
#endif
#ifdef DEVICE_ALIGNMENT
return (size % DEVICE_ALIGNMENT) ? size + DEVICE_ALIGNMENT -
(size % DEVICE_ALIGNMENT) : size;
#else
return size;
#endif
}
#endif /* __KERNEL__ */
#endif /* _KS_HOSTIF_H_ */