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qcacmn: Changes for PER based roaming

Telusuri Sumber 
DUT should be able to roam to a better access point if current
AP is having congestion/packet error.

This roam also devise a new selection logic for candidate
selection which considers channel congestion and AP capabilities.

Change-Id: I6cffbf0de059a218e971be32fbdc1a0092ceea9d
CRs-Fixed: 1090934
This commit is contained in:
Kapil Gupta
2017-02-24 15:50:03 +05:30
committed by qcabuildsw
orang tua 4423f63181
melakukan 54ea36ef41
2 mengubah file dengan 78 tambahan dan 0 penghapusan
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12
wmi_unified_api.c
Melihat File

@@ -3205,6 +3205,18 @@ QDF_STATUS wmi_unified_roam_scan_offload_rssi_change_cmd(void *wmi_hdl,
return QDF_STATUS_E_FAILURE;
}
QDF_STATUS wmi_unified_set_per_roam_config(void *wmi_hdl,
struct wmi_per_roam_config_req *req_buf)
{
wmi_unified_t wmi_handle = (wmi_unified_t) wmi_hdl;
if (wmi_handle->ops->send_per_roam_config_cmd)
return wmi_handle->ops->send_per_roam_config_cmd(wmi_handle,
req_buf);
return QDF_STATUS_E_FAILURE;
}
/**
* wmi_unified_get_buf_extscan_hotlist_cmd() - prepare hotlist command
* @wmi_hdl: wmi handle

66
wmi_unified_tlv.c
Melihat File

@@ -13123,6 +13123,71 @@ error:
return status;
}
/**
* send_per_roam_config_cmd_tlv() - set per roaming config to FW
* @wmi_handle: wmi handle
* @req_buf: per roam config buffer
*
* Return: QDF status
*/
static QDF_STATUS send_per_roam_config_cmd_tlv(wmi_unified_t wmi_handle,
struct wmi_per_roam_config_req *req_buf)
{
wmi_buf_t buf = NULL;
QDF_STATUS status;
int len;
uint8_t *buf_ptr;
wmi_roam_per_config_fixed_param *wmi_per_config;
len = sizeof(wmi_roam_per_config_fixed_param);
buf = wmi_buf_alloc(wmi_handle, len);
if (!buf) {
WMI_LOGE("%s : wmi_buf_alloc failed", __func__);
return QDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
wmi_per_config =
(wmi_roam_per_config_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&wmi_per_config->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_per_config_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_per_config_fixed_param));
/* fill in per roam config values */
wmi_per_config->vdev_id = req_buf->vdev_id;
if (req_buf->per_config.enable) {
/* Enable for both Tx and Rx*/
req_buf->per_config.enable = 3;
}
wmi_per_config->enable = req_buf->per_config.enable;
wmi_per_config->high_rate_thresh =
(req_buf->per_config.tx_high_rate_thresh << 16) |
(req_buf->per_config.rx_high_rate_thresh & 0x0000ffff);
wmi_per_config->low_rate_thresh =
(req_buf->per_config.tx_low_rate_thresh << 16) |
(req_buf->per_config.rx_low_rate_thresh & 0x0000ffff);
wmi_per_config->pkt_err_rate_thresh_pct =
(req_buf->per_config.tx_rate_thresh_percnt << 16) |
(req_buf->per_config.rx_rate_thresh_percnt & 0x0000ffff);
wmi_per_config->per_rest_time = req_buf->per_config.per_rest_time;
/* Send per roam config parameters */
status = wmi_unified_cmd_send(wmi_handle, buf,
len, WMI_ROAM_PER_CONFIG_CMDID);
if (QDF_IS_STATUS_ERROR(status)) {
WMI_LOGE("WMI_ROAM_PER_CONFIG_CMDID failed, Error %d",
status);
wmi_buf_free(buf);
return status;
}
WMI_LOGI(FL("per roam enable=%d, vdev=%d"),
req_buf->per_config.enable, req_buf->vdev_id);
return QDF_STATUS_SUCCESS;
}
/**
* send_roam_scan_offload_rssi_change_cmd_tlv() - set roam offload RSSI th
* @wmi_handle: wmi handle
@@ -15919,6 +15984,7 @@ struct wmi_ops tlv_ops = {
.extract_peer_sta_ps_statechange_ev =
extract_peer_sta_ps_statechange_ev_tlv,
.extract_inst_rssi_stats_event = extract_inst_rssi_stats_event_tlv,
.send_per_roam_config_cmd = send_per_roam_config_cmd_tlv,
};
#ifndef CONFIG_MCL