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qcacmn: Add support to extract SRP IE in beacon

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Added support to extract spatial reuse parameter IE in beacon receive.

Change-Id: Ia7ce2a58ae8b65cddd9b3f8d969bd95b459aab3e
CRs-Fixed: 2033106
This commit is contained in:
Venkateswara Swamy Bandaru 2017-04-25 11:02:39 +05:30 • committed by snandini
commit 851184b0e4
4 changed files with 95 additions and 0 deletions
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60
umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h
View file

@ -243,6 +243,7 @@ enum ext_chan_offset {
* @WLAN_ELEMID_QUIET_CHANNEL: Quiet Channel
* @WLAN_ELEMID_OP_MODE_NOTIFY: Operating Mode Notification
* @WLAN_ELEMID_VENDOR: vendor private
* @WLAN_ELEMID_EXTN_ELEM: extended IE
*/
enum element_ie {
WLAN_ELEMID_SSID = 0,
@ -312,6 +313,15 @@ enum element_ie {
WLAN_ELEMID_QUIET_CHANNEL = 198,
WLAN_ELEMID_OP_MODE_NOTIFY = 199,
WLAN_ELEMID_VENDOR = 221,
WLAN_ELEMID_EXTN_ELEM = 255,
};
/**
* enum extn_element_ie :- extended management information element
* @WLAN_EXTN_ELEMID_SRP: spatial reuse parameter IE
*/
enum extn_element_ie {
WLAN_EXTN_ELEMID_SRP = 39,
};
#define WLAN_OUI_SIZE 4
@ -516,6 +526,19 @@ struct ie_header {
uint8_t ie_len;
} qdf_packed;
/**
* struct extn_ie_header : Extension IE header
* @ie_id: Element Id
* @ie_len: IE Length
* @ie_extn_id: extension id
*/
struct extn_ie_header {
uint8_t ie_id;
uint8_t ie_len;
uint8_t ie_extn_id;
} qdf_packed;
/**
* struct ie_ssid : ssid IE
* @ssid_id: SSID Element Id
@ -745,6 +768,43 @@ struct rsn_mdie {
uint8_t ft_capab;
} qdf_packed;
/**
* struct srp_ie: Spatial reuse parameter IE
* @srp_id: SRP IE id
* @srp_len: SRP IE len
* @srp_id_extn: SRP Extension ID
* @sr_control: sr control
* @non_srg_obsspd_max_offset: non srg obsspd max offset
* @srg_obss_pd_min_offset: srg obss pd min offset
* @srg_obss_pd_max_offset: srg obss pd max offset
* @srg_bss_color_bitmap: srg bss color bitmap
* @srg_partial_bssid_bitmap: srg partial bssid bitmap
*/
struct wlan_srp_ie {
uint8_t srp_id;
uint8_t srp_len;
uint8_t srp_id_extn;
uint8_t sr_control;
union {
struct {
uint8_t non_srg_obsspd_max_offset;
uint8_t srg_obss_pd_min_offset;
uint8_t srg_obss_pd_max_offset;
uint8_t srg_bss_color_bitmap[8];
uint8_t srg_partial_bssid_bitmap[8];
} qdf_packed nonsrg_srg_info;
struct {
uint8_t non_srg_obsspd_max_offset;
} qdf_packed nonsrg_info;
struct {
uint8_t srg_obss_pd_min_offset;
uint8_t srg_obss_pd_max_offset;
uint8_t srg_bss_color_bitmap[8];
uint8_t srg_partial_bssid_bitmap[8];
} qdf_packed srg_info;
};
} qdf_packed;
/**
* is_wpa_oui() - If vendor IE is WPA type
* @frm: vendor IE pointer

2
umac/scan/dispatcher/inc/wlan_scan_public_structs.h
View file

@ -114,6 +114,7 @@ struct element_info {
* @cswrp: pointer to channel switch announcement wrapper ie
* @widebw: pointer to wide band channel switch sub ie
* @txpwrenvlp: pointer to tx power envelop sub ie
* @srp: pointer to spatial reuse parameter sub extended ie
*/
struct ie_list {
uint8_t *tim;
@ -154,6 +155,7 @@ struct ie_list {
uint8_t *mdie;
uint8_t *hecap;
uint8_t *heop;
uint8_t *srp;
};
/**

15
umac/scan/dispatcher/inc/wlan_scan_utils_api.h
View file

@ -1274,6 +1274,21 @@ util_scan_entry_heop(struct scan_cache_entry *scan_entry)
return scan_entry->ie_list.heop;
}
/**
* util_scan_entry_spatial_reuse_parameter() - function to read spatial reuse
* parameter ie
* @scan_entry: scan entry
*
* API, function to read scan_entry reuse parameter ie
*
* Return, spatial reuse parameter ie or NULL if ie is not present
*/
static inline uint8_t*
util_scan_entry_spatial_reuse_parameter(struct scan_cache_entry *scan_entry)
{
return scan_entry->ie_list.srp;
}
/**
* util_get_last_scan_time() - function to get last scan time on this pdev
* @vdev: vdev object

18
umac/scan/dispatcher/src/wlan_scan_utils_api.c
View file

@ -341,6 +341,21 @@ util_scan_is_hidden_ssid(struct ie_ssid *ssid)
return true;
}
static void
util_scan_parse_extn_ie(struct scan_cache_entry *scan_params,
struct ie_header *ie)
{
struct extn_ie_header *extn_ie = (struct extn_ie_header *) ie;
switch (extn_ie->ie_extn_id) {
case WLAN_EXTN_ELEMID_SRP:
scan_params->ie_list.srp = (uint8_t *)ie;
break;
default:
break;
}
}
static void
util_scan_parse_vendor_ie(struct scan_cache_entry *scan_params,
struct ie_header *ie)
@ -521,6 +536,9 @@ util_scan_populate_bcn_ie_list(struct scan_cache_entry *scan_params)
return status;
}
break;
case WLAN_ELEMID_EXTN_ELEM:
util_scan_parse_extn_ie(scan_params, ie);
break;
default:
break;
}