183 lines
5.9 KiB
C
Executable File
183 lines
5.9 KiB
C
Executable File
/****************************************************************************
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*
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* Copyright (c) 2012 - 2017 Samsung Electronics Co., Ltd. All rights reserved
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*
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****************************************************************************/
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#ifndef CAC_H
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#define CAC_H
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#include <linux/kernel.h>
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#include "dev.h"
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#include "debug.h"
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#include "mlme.h"
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#include "mgt.h"
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/* management */
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#define WLAN_OUI_CISCO 0x004096 /* Cisco systems OUI */
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#define WLAN_OUI_TYPE_CISCO_EDCA 0x09
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#define WMM_OUI_SUBTYPE_INFORMATION_ELEMENT 0
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#define WMM_OUI_SUBTYPE_PARAMETER_ELEMENT 1
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#define WMM_OUI_SUBTYPE_TSPEC_ELEMENT 2
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#define WMM_VERSION 1
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#define WMM_ACTION_CODE_ADDTS_REQ 0
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#define WMM_ACTION_CODE_ADDTS_RESP 1
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#define WMM_ACTION_CODE_DELTS 2
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#define WMM_ADDTS_STATUS_ADMISSION_ACCEPTED 0
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#define WMM_ADDTS_STATUS_INVALID_PARAMETERS 1
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/* 2 - Reserved */
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#define WMM_ADDTS_STATUS_REFUSED 3
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/* 4-255 - Reserved */
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/* WMM TSPEC Direction Field Values */
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#define WMM_TSPEC_DIRECTION_UPLINK 0
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#define WMM_TSPEC_DIRECTION_DOWNLINK 1
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/* 2 - Reserved */
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#define WMM_TSPEC_DIRECTION_BI_DIRECTIONAL 3
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/* WMM TSPEC PSB Field Values */
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#define WMM_TSPEC_PSB_UNSPECIFIED 2
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#define ADDTS_STATUS_ACCEPTED 0x00
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#define ADDTS_STATUS_INVALID_PARAM 0x01
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#define ADDTS_STATUS_REFUSED 0x03
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#define ADDTS_STATUS_DELAY 0x2F
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#define ADDTS_STATUS_UNSPECIFIED 0xC8
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#define ADDTS_STATUS_POLICY_CONFIG 0xC9
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#define ADDTS_STATUS_ASSOC_DENIED 0xCA
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#define ADDTS_STATUS_INVALID_PARAM2 0xCB
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#define TSINFO_MASK 0x00FFFFFF
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#define CCX_MAX_NUM_RATES 8
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#define TSID_MIN 0
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#define TSID_MAX 7
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#define TSRS_RATE_PER_UNIT 500000
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#define IEEE80211_HEADER_SIZE 24
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#define MAX_TRANSMIT_MSDU_LIFETIME_NOT_VALID -1
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#define BSS_CCX_DISABLED 0
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#define BSS_CCX_ENABLED 1
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/* Macros for handling unaligned memory accesses */
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#define CAC_GET_LE16(a) ((u16)(((a)[1] << 8) | (a)[0]))
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#define CAC_PUT_LE16(a, val) \
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do { \
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(a)[1] = ((u16)(val)) >> 8; \
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(a)[0] = ((u16)(val)) & 0xff; \
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} while (0)
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#define CAC_PUT_BE24(a, val) \
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do { \
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(a)[0] = (u8)((((u32)(val)) >> 16) & 0xff); \
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(a)[1] = (u8)((((u32)(val)) >> 8) & 0xff); \
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(a)[2] = (u8)(((u32)(val)) & 0xff); \
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} while (0)
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#define CAC_GET_LE24(a) ((((u32)(a)[2]) << 16) | (((u32)(a)[1]) << 8) | ((u32)(a)[0]))
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#define CAC_PUT_LE24(a, val) \
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do { \
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(a)[2] = (u8)((((u32)(val)) >> 16) & 0xff); \
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(a)[1] = (u8)((((u32)(val)) >> 8) & 0xff); \
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(a)[0] = (u8)(((u32)(val)) & 0xff); \
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} while (0)
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#define CAC_GET_LE32(a) ((((u32)(a)[3]) << 24) | (((u32)(a)[2]) << 16) | \
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(((u32)(a)[1]) << 8) | ((u32)(a)[0]))
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#define CAC_PUT_LE32(a, val) \
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do { \
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(a)[3] = (u8)((((u32)(val)) >> 24) & 0xff); \
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(a)[2] = (u8)((((u32)(val)) >> 16) & 0xff); \
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(a)[1] = (u8)((((u32)(val)) >> 8) & 0xff); \
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(a)[0] = (u8)(((u32)(val)) & 0xff); \
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} while (0)
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#define IEEE80211_FC(type, stype) (u16)(type | stype)
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/* WMM TSPEC Element */
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struct wmm_tspec_element {
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char eid; /* 221 = 0xdd */
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u8 length; /* 6 + 55 = 61 */
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u8 oui[3]; /* 00:50:f2 */
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u8 oui_type; /* 2 */
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u8 oui_subtype; /* 2 */
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u8 version; /* 1 */
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/* WMM TSPEC body (55 octets): */
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u8 ts_info[3];
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u16 nominal_msdu_size;
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u16 maximum_msdu_size;
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u32 minimum_service_interval;
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u32 maximum_service_interval;
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u32 inactivity_interval;
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u32 suspension_interval;
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u32 service_start_time;
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u32 minimum_data_rate;
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u32 mean_data_rate;
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u32 peak_data_rate;
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u32 maximum_burst_size;
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u32 delay_bound;
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u32 minimum_phy_rate;
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u16 surplus_bandwidth_allowance;
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u16 medium_time;
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} __packed;
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#define MSDU_LIFETIME_DEFAULT 512
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struct cac_activated_tspec {
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struct wmm_tspec_element tspec;
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int ebw;
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};
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struct tspec_field {
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const char *name;
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int read_only;
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int is_tsinfo_field;
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u8 size;
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u32 offset;
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};
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struct cac_tspec {
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struct cac_tspec *next;
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int id;
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struct wmm_tspec_element tspec;
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u8 psb_specified;
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int ebw;
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int accepted;
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u8 dialog_token;
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};
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#define OFFSETOF(m) ((size_t)&((struct wmm_tspec_element *)0)->m)
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struct wmm_action_hdr {
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u8 category;
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u8 action;
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u8 dialog_token;
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u8 status_code;
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} __packed;
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struct action_addts_req {
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struct wmm_action_hdr hdr;
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struct wmm_tspec_element tspec;
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} __packed;
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struct action_addts_rsp {
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struct wmm_action_hdr hdr;
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} __packed;
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struct action_delts_req {
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struct wmm_action_hdr hdr;
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struct wmm_tspec_element tspec;
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} __packed;
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/* prototypes for public functions */
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int cac_ctrl_create_tspec(struct slsi_dev *sdev, char *args);
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int cac_ctrl_config_tspec(struct slsi_dev *sdev, char *args);
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int cac_ctrl_send_addts(struct slsi_dev *sdev, char *args);
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int cac_ctrl_send_delts(struct slsi_dev *sdev, char *args);
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int cac_update_local_tspec(struct slsi_dev *sdev, u16 msdu_lifetime, struct wmm_tspec_element *tspec);
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int cac_get_active_tspecs(struct cac_activated_tspec **tspecs);
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void cac_delete_tspec_list(struct slsi_dev *sdev);
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int cac_ctrl_delete_tspec(struct slsi_dev *sdev, char *args);
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void cac_rx_wmm_action(struct slsi_dev *sdev, struct net_device *netdev, struct ieee80211_mgmt *data, size_t len);
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void cac_update_roam_traffic_params(struct slsi_dev *sdev, struct net_device *dev);
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#endif /* CAC_H */
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