qcacld-3.0: Add support to configure rate mask to cap phy rate

The ini ratemask_type and ratemask_set can be used to limit
the maximum phy rate. The ratemask_type is used to select
the phy mode and the ratemask_set to select desired NSS and MCS.

It can be used to optimize link performance.

Change-Id: Ia5c9f3a80eb93710bdcf53dabc4a45e554753b01
CRs-Fixed: 2758859
This commit is contained in:
Madhvapathi Sriram
2020-03-13 11:47:46 -07:00
committed by snandini
parent fd6093151e
commit fce3c2b2b4
4 changed files with 220 additions and 2 deletions

View File

@@ -257,6 +257,42 @@ static void mlme_init_chainmask_cfg(struct wlan_objmgr_psoc *psoc,
cfg_get(psoc, CFG_ENABLE_BT_CHAIN_SEPARATION);
}
static void mlme_init_ratemask_cfg(struct wlan_objmgr_psoc *psoc,
struct wlan_mlme_ratemask *ratemask_cfg)
{
uint32_t masks[CFG_MLME_RATE_MASK_LEN] = { 0 };
qdf_size_t len = 0;
QDF_STATUS status;
ratemask_cfg->type = cfg_get(psoc, CFG_RATEMASK_TYPE);
if ((ratemask_cfg->type <= WLAN_MLME_RATEMASK_TYPE_NO_MASK) ||
(ratemask_cfg->type >= WLAN_MLME_RATEMASK_TYPE_MAX)) {
mlme_legacy_debug("Ratemask disabled");
return;
}
status = qdf_uint32_array_parse(cfg_get(psoc, CFG_RATEMASK_SET),
masks,
CFG_MLME_RATE_MASK_LEN,
&len);
if (status != QDF_STATUS_SUCCESS || len != CFG_MLME_RATE_MASK_LEN) {
/* Do not enable ratemaks if config is invalid */
ratemask_cfg->type = WLAN_MLME_RATEMASK_TYPE_NO_MASK;
mlme_legacy_err("Failed to parse ratemask");
return;
}
ratemask_cfg->lower32 = masks[0];
ratemask_cfg->higher32 = masks[1];
ratemask_cfg->lower32_2 = masks[2];
ratemask_cfg->higher32_2 = masks[3];
mlme_legacy_debug("Ratemask type: %d, masks:0x%x, 0x%x, 0x%x, 0x%x",
ratemask_cfg->type, ratemask_cfg->lower32,
ratemask_cfg->higher32, ratemask_cfg->lower32_2,
ratemask_cfg->higher32_2);
}
#ifdef WLAN_FEATURE_11W
static void mlme_init_pmf_cfg(struct wlan_objmgr_psoc *psoc,
struct wlan_mlme_generic *gen)
@@ -2290,6 +2326,7 @@ QDF_STATUS mlme_cfg_on_psoc_enable(struct wlan_objmgr_psoc *psoc)
mlme_init_reg_cfg(psoc, &mlme_cfg->reg);
mlme_init_btm_cfg(psoc, &mlme_cfg->btm);
mlme_init_roam_score_config(psoc, mlme_cfg);
mlme_init_ratemask_cfg(psoc, &mlme_cfg->ratemask_cfg);
return status;
}

View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2012-2019 The Linux Foundation. All rights reserved.
* Copyright (c) 2012-2020 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@@ -30,6 +30,7 @@
#define CFG_SUPPORTED_MCS_SET_LEN 16
#define CFG_BASIC_MCS_SET_LEN 16
#define CFG_CURRENT_MCS_SET_LEN 16
#define CFG_MLME_RATE_MASK_LEN 4
/*
* <ini>
@@ -221,6 +222,78 @@
CFG_CURRENT_MCS_SET_DATA, \
"current MCS set")
/*
* <cfg>
* ratemask_type - PHY type for the ratemask.
* @Min: 0 No rate mask set defined - disabled the configuration
* @Max: 4
* @Default: 0
*
* This ini is used to set the PHY type for ratemask in rate selection.
*
* 0 = Disables the configuration
* 1 = The rate mask specified is for CCK/OFDM configuration
* 2 = The rate mask specified is for HT configuration
* 3 = The rate mask specified is for VHT configuration
* 4 = The rate mask specified is for HE/11ax configuration
*
* Related: CFG_RATEMASK_SET
*
* Usage: External
*/
#define CFG_RATEMASK_TYPE CFG_INI_UINT( \
"ratemask_type", \
0, \
4, \
0, \
CFG_VALUE_OR_DEFAULT, \
"Ratemask type")
/*
* <cfg>
* ratemask_set - ratemasks for a PHY type used in rate selection
* @Min: default data length of ratemask in string format
* @Max: default data length of ratemask in string format
* @Default: 0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF, 0xFFFFFFFF
*
* This is used to set the rate mask value to be used in rate selection.
* Each of the four words must be configured.
* A bit value of 1 represents rate is enabled
* A bit value of 0 represents rate is disabled
*
* [b31-b0],[b63-b32],[b95-b64],[b127-b96]
* For HE targets, 12 bits correpond to one NSS setting. Ex:
* b0-13 => NSS1, MCS 0-13
* b14-27 => NSS2, MCS 0-13 and so on for other NSS.
* Note that the bit representation is continuous.
*
* For VHT targets, 10 bits correspond to one NSS setting.
* b0-9 => NSS1, MCS 0-9
* b10-19 => NSS2, MCS 0-9 and so on for other NSS.
*
* For HT targets, 8 bits correspond to one NSS setting.
* b0-7 => NSS1, MCS 0-7
* b8-15 => NSS2, MCS 0-7 and so on for other NSS.
*
* For OFDM/CCK targets, 8 bits correspond to one NSS setting.
* Bit position |-b3-|-b2-|-b1-|-b0-|
* Rates in Mbps |-1 -|-2 -|-5.5|-11-| CCK Rates
*
* Bit position |-b11-|-b10-|-b09-|-b08-|-b07-|-b06-|-b05-|-b04-|
* Rates in Mbps |- 9 -|- 18-|-36 -|-54 -|- 6 -|-12 -| -24-|-48- | OFDM Rates
*
* Related: CFG_RATEMASK_TYPE
*
* Usage: External
*/
#define CFG_RATEMASK_DATA "0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF"
#define CFG_RATEMASK_SET CFG_INI_STRING( \
"ratemask_set", \
0, \
sizeof(CFG_RATEMASK_DATA) - 1, \
CFG_RATEMASK_DATA, \
"Ratemasks for rate selection")
#define CFG_RATES_ALL \
CFG(CFG_MAX_HT_MCS_FOR_TX_DATA) \
CFG(CFG_DISABLE_ABG_RATE_FOR_TX_DATA) \
@@ -232,6 +305,8 @@
CFG(CFG_SUPPORTED_RATES_11A) \
CFG(CFG_SUPPORTED_MCS_SET) \
CFG(CFG_BASIC_MCS_SET) \
CFG(CFG_CURRENT_MCS_SET)
CFG(CFG_CURRENT_MCS_SET) \
CFG(CFG_RATEMASK_TYPE) \
CFG(CFG_RATEMASK_SET)
#endif /* __CFG_MLME_RATES_H */

View File

@@ -1131,6 +1131,42 @@ struct wlan_mlme_chainmask {
bool enable_bt_chain_separation;
};
/**
* enum wlan_mlme_ratemask_type: Type of PHY for ratemask
* @WLAN_MLME_RATEMASK_TYPE_NO_MASK: no ratemask set
* @WLAN_MLME_RATEMASK_TYPE_CCK: CCK/OFDM rate
* @WLAN_MLEM_RATEMASK_TYPE_HT: HT rate
* @WLAN_MLME_RATEMASK_TYPE_VHT: VHT rate
* @WLAN_MLME_RATEMASK_TYPE_HE: HE rate
*
* This is used for 'type' values in wlan_mlme_ratemask
*/
enum wlan_mlme_ratemask_type {
WLAN_MLME_RATEMASK_TYPE_NO_MASK = 0,
WLAN_MLME_RATEMASK_TYPE_CCK = 1,
WLAN_MLME_RATEMASK_TYPE_HT = 2,
WLAN_MLME_RATEMASK_TYPE_VHT = 3,
WLAN_MLME_RATEMASK_TYPE_HE = 4,
/* keep this last */
WLAN_MLME_RATEMASK_TYPE_MAX,
};
/**
* struct wlan_mlme_ratemask - ratemask config parameters
* @type: Type of PHY the mask to be applied
* @lower32: Lower 32 bits in the 1st 64-bit value
* @higher32: Higher 32 bits in the 1st 64-bit value
* @lower32_2: Lower 32 bits in the 2nd 64-bit value
* @higher32_2: Higher 32 bits in the 2nd 64-bit value
*/
struct wlan_mlme_ratemask {
enum wlan_mlme_ratemask_type type;
uint32_t lower32;
uint32_t higher32;
uint32_t lower32_2;
uint32_t higher32_2;
};
/* struct wlan_mlme_generic - Generic CFG config items
*
* @band_capability: HW Band Capability - Both or 2.4G only or 5G only
@@ -2333,6 +2369,7 @@ struct wlan_mlme_cfg {
struct wlan_mlme_reg reg;
struct roam_trigger_score_delta trig_score_delta[NUM_OF_ROAM_TRIGGERS];
struct roam_trigger_min_rssi trig_min_rssi[NUM_OF_ROAM_TRIGGERS];
struct wlan_mlme_ratemask ratemask_cfg;
};
enum pkt_origin {

View File

@@ -87,6 +87,7 @@
#include "wlan_utility.h"
#include "wlan_coex_ucfg_api.h"
#include <wlan_cp_stats_mc_ucfg_api.h>
#include "wmi_unified_vdev_api.h"
#ifdef DCS_INTERFERENCE_DETECTION
#include <wlan_dcs_ucfg_api.h>
@@ -1119,6 +1120,36 @@ static void wma_dcs_clear_vdev_starting(struct mac_context *mac_ctx,
}
#endif
/*
* wma_get_ratemask_type() - convert user input ratemask type to FW type
* @type: User input ratemask type maintained in HDD
* @fwtype: Value return arg for fw ratemask type value
*
* Return: FW configurable ratemask type
*/
static QDF_STATUS wma_get_ratemask_type(enum wlan_mlme_ratemask_type type,
uint8_t *fwtype)
{
switch (type) {
case WLAN_MLME_RATEMASK_TYPE_CCK:
*fwtype = WMI_RATEMASK_TYPE_CCK;
break;
case WLAN_MLME_RATEMASK_TYPE_HT:
*fwtype = WMI_RATEMASK_TYPE_HT;
break;
case WLAN_MLME_RATEMASK_TYPE_VHT:
*fwtype = WMI_RATEMASK_TYPE_VHT;
break;
case WLAN_MLME_RATEMASK_TYPE_HE:
*fwtype = WMI_RATEMASK_TYPE_HE;
break;
default:
return QDF_STATUS_E_INVAL;
}
return QDF_STATUS_SUCCESS;
}
QDF_STATUS wma_vdev_start_resp_handler(struct vdev_mlme_obj *vdev_mlme,
struct vdev_start_response *rsp)
{
@@ -1130,6 +1161,9 @@ QDF_STATUS wma_vdev_start_resp_handler(struct vdev_mlme_obj *vdev_mlme,
QDF_STATUS status;
enum vdev_assoc_type assoc_type = VDEV_ASSOC;
struct vdev_mlme_obj *mlme_obj;
struct wlan_mlme_psoc_ext_obj *mlme_psoc_obj;
const struct wlan_mlme_ratemask *ratemask_cfg;
struct config_ratemask_params rparams = {0};
wma = cds_get_context(QDF_MODULE_ID_WMA);
if (!wma) {
@@ -1142,6 +1176,9 @@ QDF_STATUS wma_vdev_start_resp_handler(struct vdev_mlme_obj *vdev_mlme,
return QDF_STATUS_E_FAILURE;
}
mlme_psoc_obj = mlme_get_psoc_ext_obj(psoc);
ratemask_cfg = &mlme_psoc_obj->cfg.ratemask_cfg;
if (!mac_ctx) {
wma_err("Failed to get mac_ctx");
return QDF_STATUS_E_FAILURE;
@@ -1254,6 +1291,38 @@ QDF_STATUS wma_vdev_start_resp_handler(struct vdev_mlme_obj *vdev_mlme,
if (iface->type == WMI_VDEV_TYPE_AP && wma_is_vdev_up(rsp->vdev_id))
wma_set_sap_keepalive(wma, rsp->vdev_id);
/* Send ratemask to firmware */
if ((ratemask_cfg->type > WLAN_MLME_RATEMASK_TYPE_NO_MASK) &&
(ratemask_cfg->type < WLAN_MLME_RATEMASK_TYPE_MAX)) {
struct wmi_unified *wmi_handle = wma->wmi_handle;
if (!wmi_handle) {
wma_err(FL("wmi_handle is null"));
return QDF_STATUS_E_INVAL;
}
rparams.vdev_id = rsp->vdev_id;
status = wma_get_ratemask_type(ratemask_cfg->type,
&rparams.type);
if (QDF_IS_STATUS_ERROR(status)) {
wma_err(FL("unable to map ratemask"));
/* don't fail, default rates will still work */
return QDF_STATUS_SUCCESS;
}
rparams.lower32 = ratemask_cfg->lower32;
rparams.higher32 = ratemask_cfg->higher32;
rparams.lower32_2 = ratemask_cfg->lower32_2;
rparams.higher32_2 = ratemask_cfg->higher32_2;
status = wmi_unified_vdev_config_ratemask_cmd_send(wmi_handle,
&rparams);
/* Only log failure. Do not abort */
if (QDF_IS_STATUS_ERROR(status))
wma_err(FL("failed to send ratemask"));
}
return QDF_STATUS_SUCCESS;
}