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qcacmn: Add supporting functions for extended capabilities IE

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Add structures and supporting function get bit field value of extended
capabilities IE bit field.

Change-Id: Iff915320d71473310e2cbc0188508061b14a40f1
CRs-Fixed: 2296592
This commit is contained in:
Venkateswara Swamy Bandaru 2018-08-16 14:39:19 +05:30 • committed by nshrivas
commit a76abc45d7
3 changed files with 60 additions and 0 deletions
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12
umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h
View file

@ -1088,6 +1088,18 @@ struct wlan_esp_ie {
struct wlan_esp_info esp_info_AC_VO;
} qdf_packed;
/**
* struct wlan_ext_cap_ie - struct for extended capabilities information
* @ext_cap_id: Extended capabilities id
* @ext_cap_len: Extended capabilities IE len
* @ext_caps: Variable length extended capabilities information
*/
struct wlan_ext_cap_ie {
uint8_t ext_cap_id;
uint8_t ext_cap_len;
uint8_t ext_caps[];
} qdf_packed;
/**
* struct oce_reduced_wan_metrics: struct for oce wan metrics
* @downlink_av_cap: Download available capacity

12
umac/scan/dispatcher/inc/wlan_scan_public_structs.h
View file

@ -1376,4 +1376,16 @@ enum scan_config {
SCAN_CFG_DISABLE_SCAN_COMMAND_TIMEOUT,
SCAN_CFG_DROP_BCN_ON_CHANNEL_MISMATCH,
};
/**
* enum ext_cap_bit_field - Extended capabilities bit field
* @BSS_2040_COEX_MGMT_SUPPORT: 20/40 BSS Coexistence Management Support field
* @OBSS_NARROW_BW_RU_IN_ULOFDMA_TOLERENT_SUPPORT: OBSS Narrow Bandwidth RU
* in UL OFDMA Tolerance Support
*/
enum ext_cap_bit_field {
BSS_2040_COEX_MGMT_SUPPORT = 0,
OBSS_NARROW_BW_RU_IN_ULOFDMA_TOLERENT_SUPPORT = 79,
};
#endif

36
umac/scan/dispatcher/inc/wlan_scan_utils_api.h
View file

@ -1308,6 +1308,42 @@ util_scan_entry_extcaps(struct scan_cache_entry *scan_entry)
return scan_entry->ie_list.extcaps;
}
/**
* util_scan_entry_get_extcap() - function to read extended capability field ie
* @scan_entry: scan entry
* @extcap_bit_field: extended capability bit field
* @extcap_value: pointer to fill extended capability field value
*
* API, function to read extended capability field
*
* Return: QDF_STATUS_SUCCESS if extended capability field is found
* QDF_STATUS_E_NOMEM if extended capability field is not found
*/
static inline QDF_STATUS
util_scan_entry_get_extcap(struct scan_cache_entry *scan_entry,
enum ext_cap_bit_field extcap_bit_field,
uint8_t *extcap_value)
{
struct wlan_ext_cap_ie *ext_cap =
(struct wlan_ext_cap_ie *)util_scan_entry_extcaps(scan_entry);
uint8_t ext_caps_byte = (extcap_bit_field >> 3);
uint8_t ext_caps_bit_pos = extcap_bit_field & 0x7;
*extcap_value = 0;
if (!ext_cap)
return QDF_STATUS_E_NULL_VALUE;
if (ext_cap->ext_cap_len < ext_caps_byte)
return QDF_STATUS_E_NULL_VALUE;
*extcap_value =
((ext_cap->ext_caps[ext_caps_byte] >> ext_caps_bit_pos) & 0x1);
return QDF_STATUS_SUCCESS;
}
/**
* util_scan_entry_athcaps() - function to read ath caps vendor ie
* @scan_entry: scan entry