samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

qcacmn: Add support for PNO scan in connected state

Browse Source 
qcacld-2.0 to qcacmn propagation

Add changes to support PNO scan in connected state to find better Ap's
based on rssi threshold, band and rssi preference.

Change-Id: I0744297cc5269f0fe37613247c911102e293d8e9
CRs-Fixed: 2000342
This commit is contained in:
Sreelakshmi Konamki
2017-07-21 17:37:30 +05:30
committed by snandini
parent dd273905a1
commit d9bdeb72a0
1 changed files with 48 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
wmi_unified_tlv.c
View File

@@ -7465,16 +7465,19 @@ static QDF_STATUS send_pno_start_cmd_tlv(wmi_unified_t wmi_handle,
uint8_t i;
int ret;
struct probe_req_whitelist_attr *ie_whitelist = &pno->ie_whitelist;
connected_nlo_rssi_params *nlo_relative_rssi;
connected_nlo_bss_band_rssi_pref *nlo_band_rssi;
/*
* TLV place holder for array nlo_configured_parameters(nlo_list)
* TLV place holder for array of uint32_t channel_list
* TLV place holder for chnnl prediction cfg
* TLV place holder for array of wmi_vendor_oui
* TLV place holder for array of connected_nlo_bss_band_rssi_pref
*/
len = sizeof(*cmd) +
WMI_TLV_HDR_SIZE + WMI_TLV_HDR_SIZE + WMI_TLV_HDR_SIZE +
WMI_TLV_HDR_SIZE;
WMI_TLV_HDR_SIZE + WMI_TLV_HDR_SIZE;
len += sizeof(uint32_t) * QDF_MIN(pno->networks_list[0].channel_cnt,
WMI_NLO_MAX_CHAN);
@@ -7483,6 +7486,8 @@ static QDF_STATUS send_pno_start_cmd_tlv(wmi_unified_t wmi_handle,
len += sizeof(nlo_channel_prediction_cfg);
len += sizeof(enlo_candidate_score_params);
len += sizeof(wmi_vendor_oui) * ie_whitelist->num_vendor_oui;
len += sizeof(connected_nlo_rssi_params);
len += sizeof(connected_nlo_bss_band_rssi_pref);
buf = wmi_buf_alloc(wmi_handle, len);
if (!buf) {
@@ -7621,6 +7626,48 @@ static QDF_STATUS send_pno_start_cmd_tlv(wmi_unified_t wmi_handle,
buf_ptr += cmd->num_vendor_oui * sizeof(wmi_vendor_oui);
}
if (pno->relative_rssi_set)
cmd->flags |= WMI_NLO_CONFIG_ENABLE_CNLO_RSSI_CONFIG;
/*
* Firmware calculation using connected PNO params:
* New AP's RSSI >= (Connected AP's RSSI + relative_rssi +/- rssi_pref)
* deduction of rssi_pref for chosen band_pref and
* addition of rssi_pref for remaining bands (other than chosen band).
*/
nlo_relative_rssi = (connected_nlo_rssi_params *) buf_ptr;
WMITLV_SET_HDR(&nlo_relative_rssi->tlv_header,
WMITLV_TAG_STRUC_wmi_connected_nlo_rssi_params,
WMITLV_GET_STRUCT_TLVLEN(connected_nlo_rssi_params));
nlo_relative_rssi->relative_rssi = pno->relative_rssi;
WMI_LOGD("relative_rssi %d", nlo_relative_rssi->relative_rssi);
buf_ptr += sizeof(*nlo_relative_rssi);
/*
* As of now Kernel and Host supports one band and rssi preference.
* Firmware supports array of band and rssi preferences
*/
cmd->num_cnlo_band_pref = 1;
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_STRUC,
cmd->num_cnlo_band_pref *
sizeof(connected_nlo_bss_band_rssi_pref));
buf_ptr += WMI_TLV_HDR_SIZE;
nlo_band_rssi = (connected_nlo_bss_band_rssi_pref *) buf_ptr;
for (i = 0; i < cmd->num_cnlo_band_pref; i++) {
WMITLV_SET_HDR(&nlo_band_rssi[i].tlv_header,
WMITLV_TAG_STRUC_wmi_connected_nlo_bss_band_rssi_pref,
WMITLV_GET_STRUCT_TLVLEN(
connected_nlo_bss_band_rssi_pref));
nlo_band_rssi[i].band = pno->band_rssi_pref.band;
nlo_band_rssi[i].rssi_pref = pno->band_rssi_pref.rssi;
WMI_LOGI("band_pref %d, rssi_pref %d",
nlo_band_rssi[i].band,
nlo_band_rssi[i].rssi_pref);
}
buf_ptr += cmd->num_cnlo_band_pref * sizeof(*nlo_band_rssi);
ret = wmi_unified_cmd_send(wmi_handle, buf, len,
WMI_NETWORK_LIST_OFFLOAD_CONFIG_CMDID);
if (ret) {