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qcacmn: Add support for 6g scan hint

Browse source 
Add support for 6Ghz short ssid and bssid hint mechanism
as part of scan command.

Change-Id: I53a787d2a1406ffd658dc0765bae1e632b870b36
CRs-Fixed: 2559877
This commit is contained in:
Sandeep Puligilla 2019-11-01 01:31:26 -07:00 • committed by nshrivas
commit b4b955e93c
2 changed files with 72 additions and 1 deletions
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36
umac/scan/dispatcher/inc/wlan_scan_public_structs.h
View file

@ -33,9 +33,11 @@
typedef uint16_t wlan_scan_requester;
typedef uint32_t wlan_scan_id;
#define WLAN_SCAN_MAX_HINT_S_SSID 10
#define WLAN_SCAN_MAX_HINT_BSSID 10
#define MAX_RNR_BSS 5
#define WLAN_SCAN_MAX_NUM_SSID 16
#define WLAN_SCAN_MAX_NUM_BSSID 4
#define MAX_RNR_BSS 5
#define SCM_CANCEL_SCAN_WAIT_TIME 50
#define SCM_CANCEL_SCAN_WAIT_ITERATION 600
@ -859,6 +861,30 @@ struct chan_list {
struct chan_info chan[NUM_CHANNELS];
};
/**
* struct hint_short_ssid - short SSID hint
* and their phymode
* @freq_flags: freq unit: MHz (upper 16bits)
* flags (lower 16bits)
* @short_ssid: short SSID
*/
struct hint_short_ssid {
uint32_t freq_flags;
uint32_t short_ssid;
};
/**
* struct hint_bssid - BSSID hint
* and their phymode
* @freq_flags: freq unit: MHz (upper 16bits)
* flags (lower 16bits)
* @bssid: BSSID
*/
struct hint_bssid {
uint32_t freq_flags;
struct qdf_mac_addr bssid;
};
/**
* enum scan_request_type: scan type
* @SCAN_TYPE_DEFAULT: Def scan
@ -949,6 +975,10 @@ enum scan_request_type {
* @htcap: htcap ie
* @vhtcap: vhtcap ie
* @scan_ctrl_flags_ext: scan control flag extended
* @num_hint_s_ssid: number of short SSID hints
* @num_hint_bssid: number of BSSID hints
* @hint_s_ssid: short SSID hints
* @hint_bssid: BSSID hints
*/
struct scan_req_params {
@ -1042,6 +1072,10 @@ struct scan_req_params {
struct element_info htcap;
struct element_info vhtcap;
uint32_t scan_ctrl_flags_ext;
uint32_t num_hint_s_ssid;
uint32_t num_hint_bssid;
struct hint_short_ssid hint_s_ssid[WLAN_SCAN_MAX_HINT_S_SSID];
struct hint_bssid hint_bssid[WLAN_SCAN_MAX_HINT_BSSID];
};
/**

37
wmi/src/wmi_unified_tlv.c
View file

@ -2802,6 +2802,8 @@ static QDF_STATUS send_scan_start_cmd_tlv(wmi_unified_t wmi_handle,
uint16_t extraie_len_with_pad = 0;
uint8_t phymode_roundup = 0;
struct probe_req_whitelist_attr *ie_whitelist = &params->ie_whitelist;
wmi_hint_freq_short_ssid *s_ssid = NULL;
wmi_hint_freq_bssid *hint_bssid = NULL;
/* Length TLV placeholder for array of uint32_t */
len += WMI_TLV_HDR_SIZE;
@ -2837,6 +2839,14 @@ static QDF_STATUS send_scan_start_cmd_tlv(wmi_unified_t wmi_handle,
sizeof(uint32_t));
len += phymode_roundup;
len += WMI_TLV_HDR_SIZE;
if (params->num_hint_bssid)
len += params->num_hint_bssid * sizeof(wmi_hint_freq_bssid);
len += WMI_TLV_HDR_SIZE;
if (params->num_hint_s_ssid)
len += params->num_hint_s_ssid * sizeof(wmi_hint_freq_short_ssid);
/* Allocate the memory */
wmi_buf = wmi_buf_alloc(wmi_handle, len);
if (!wmi_buf)
@ -2964,6 +2974,33 @@ static QDF_STATUS send_scan_start_cmd_tlv(wmi_unified_t wmi_handle,
} else {
/* Add ZERO legth phy mode TLV */
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE, 0);
buf_ptr += WMI_TLV_HDR_SIZE;
}
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_FIXED_STRUC,
(params->num_hint_s_ssid * sizeof(wmi_hint_freq_short_ssid)));
if (params->num_hint_s_ssid) {
s_ssid = (wmi_hint_freq_short_ssid *)(buf_ptr + WMI_TLV_HDR_SIZE);
for (i = 0; i < params->num_hint_s_ssid; ++i) {
s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags;
s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid;
s_ssid++;
}
}
buf_ptr += WMI_TLV_HDR_SIZE +
(params->num_hint_s_ssid * sizeof(wmi_hint_freq_short_ssid));
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_FIXED_STRUC,
(params->num_hint_bssid * sizeof(wmi_hint_freq_bssid)));
if (params->num_hint_bssid) {
hint_bssid = (wmi_hint_freq_bssid *)(buf_ptr + WMI_TLV_HDR_SIZE);
for (i = 0; i < params->num_hint_bssid; ++i) {
hint_bssid->freq_flags =
params->hint_bssid[i].freq_flags;
WMI_CHAR_ARRAY_TO_MAC_ADDR(&params->hint_bssid[i].bssid.bytes[0],
&hint_bssid->bssid);
hint_bssid++;
}
}
wmi_mtrace(WMI_START_SCAN_CMDID, cmd->vdev_id, 0);