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qcacmn: Add WMI support for new roaming parameters

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The below ini values are added to enhance roaming in firmware:
1. "minimum_btm_candidate_score"
2. "roam_scan_inactivity_time"
3. "roam_inactive_data_packet_count"
4. "roam_scan_period_after_inactivity"
5. "btm_roam_score_delta"
6. "idle_roam_score_delta"
7. "btm_roam_trigger_min_rssi"
8. "idle_roam_trigger_min_rssi"

The values of "roam_scan_inactivity_time" ,
"roam_inactive_data_packet_count" and
"roam_scan_period_after_inactivity" will be sent over the
WMI_ROAM_SCAN_PERIOD wmi command.
"minimum_btm_candidate_score" value will be sent in the
WMI_ROAM_BTM_CONFIG_CMDID command.
The values of "btm_roam_score_delta", "idle_roam_score_delta"
"btm_roam_trigger_min_rssi" and "idle_roam_trigger_min_rssi"
will be sent over the WMI_AP_PROFILE command in new tlv.

Add WMI support to send the introduced ini values to
firmware.

Change-Id: I117ed7490d14730423654513f416115822230486
CRs-Fixed: 2435676
This commit is contained in:
Pragaspathi Thilagaraj
2019-04-14 23:56:47 +05:30
committed by nshrivas
parent 457bee21b3
commit 7cc507f412
6 changed files with 287 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

118
wmi/inc/wmi_unified_roam_param.h
View File

@@ -126,6 +126,27 @@ struct roam_offload_scan_rssi_params {
uint32_t flags;
};
/**
* struct roam_scan_period_params - Roam scan period parameters
* @vdev_id: Vdev for which the scan period parameters are sent
* @scan_period: Opportunistic scan runs on a timer for scan_period
* @scan_age: Duration after which the scan entries are to be aged out
* @roam_scan_inactivity_time: inactivity monitoring time in ms for which the
* device is considered to be inactive
* @roam_inactive_data_packet_count: Maximum allowed data packets count during
* roam_scan_inactivity_time.
* @roam_scan_period_after_inactivity: Roam scan period in ms after device is
* in inactive state.
*/
struct roam_scan_period_params {
uint32_t vdev_id;
uint32_t scan_period;
uint32_t scan_age;
uint32_t roam_scan_inactivity_time;
uint32_t roam_inactive_data_packet_count;
uint32_t roam_scan_period_after_inactivity;
};
/**
* struct wmi_mawc_roam_params - Motion Aided wireless connectivity params
* @vdev_id: VDEV on which the parameters should be applied
@@ -407,16 +428,102 @@ struct scoring_param {
struct param_slot_scoring oce_wan_scoring;
};
/*
* Currently roam score delta value and min rssi values are sent
* for 2 triggers
*/
#define NUM_OF_ROAM_TRIGGERS 2
#define IDLE_ROAM_TRIGGER 0
#define BTM_ROAM_TRIGGER 1
#define DEAUTH_MIN_RSSI 0
#define BMISS_MIN_RSSI 1
/**
* enum roam_trigger_reason - Reason for triggering roam
* ROAM_TRIGGER_REASON_NONE: Roam trigger reason none
* ROAM_TRIGGER_REASON_PER: Roam triggered due to packet error
* ROAM_TRIGGER_REASON_BMISS: Roam triggered due to beacon miss
* ROAM_TRIGGER_REASON_LOW_RSSI: Roam triggered due to low RSSI of current
* connected AP.
* ROAM_TRIGGER_REASON_HIGH_RSSI: Roam triggered because sta is connected to
* a AP in 2.4GHz band and a better 5GHz AP is available
* ROAM_TRIGGER_REASON_PERIODIC: Roam triggered as better AP was found during
* periodic roam scan.
* ROAM_TRIGGER_REASON_MAWC: Motion Aided WiFi Connectivity triggered roam.
* ROAM_TRIGGER_REASON_DENSE: Roaming triggered due to dense environment
* detected.
* ROAM_TRIGGER_REASON_BACKGROUND: Roam triggered due to current AP having
* poor rssi and scan candidate found in scan results provided by other
* scan clients.
* ROAM_TRIGGER_REASON_FORCED: Forced roam trigger.
* ROAM_TRIGGER_REASON_BTM: Roam triggered due to AP sent BTM query with
* Disassoc imminent bit set.
* ROAM_TRIGGER_REASON_UNIT_TEST: Roam triggered due to unit test command.
* ROAM_TRIGGER_REASON_BSS_LOAD: Roam triggered due to high channel utilization
* in the current connected channel
* ROAM_TRIGGER_REASON_DEAUTH: Roam triggered due to deauth received from the
* current connected AP.
* ROAM_TRIGGER_REASON_IDLE: Roam triggered due to inactivity of the device.
* ROAM_TRIGGER_REASON_MAX: Maximum number of roam triggers
*/
enum roam_trigger_reason {
ROAM_TRIGGER_REASON_NONE = 0,
ROAM_TRIGGER_REASON_PER,
ROAM_TRIGGER_REASON_BMISS,
ROAM_TRIGGER_REASON_LOW_RSSI,
ROAM_TRIGGER_REASON_HIGH_RSSI,
ROAM_TRIGGER_REASON_PERIODIC,
ROAM_TRIGGER_REASON_MAWC,
ROAM_TRIGGER_REASON_DENSE,
ROAM_TRIGGER_REASON_BACKGROUND,
ROAM_TRIGGER_REASON_FORCED,
ROAM_TRIGGER_REASON_BTM,
ROAM_TRIGGER_REASON_UNIT_TEST,
ROAM_TRIGGER_REASON_BSS_LOAD,
ROAM_TRIGGER_REASON_DEAUTH,
ROAM_TRIGGER_REASON_IDLE,
ROAM_TRIGGER_REASON_MAX,
};
/**
* struct roam_trigger_min_rssi - structure to hold minimum rssi value of
* candidate APs for each roam trigger
* @min_rssi: minimum RSSI of candidate AP for the trigger reason specified in
* trigger_id
* @trigger_reason: Roam trigger reason
*/
struct roam_trigger_min_rssi {
int32_t min_rssi;
enum roam_trigger_reason trigger_reason;
};
/**
* struct roam_trigger_score_delta - structure to hold roam score delta value of
* candidate APs for each roam trigger
* @roam_score_delta: delta value in score of the candidate AP for the roam
* trigger mentioned in the trigger_id.
* @trigger_reason: Roam trigger reason
*/
struct roam_trigger_score_delta {
uint32_t roam_score_delta;
enum roam_trigger_reason trigger_reason;
};
/**
* struct ap_profile_params - ap profile params
* @vdev_id: vdev id
* @profile: ap profile to match candidate
* @param: scoring params to short candidate
* @min_rssi_params: Min RSSI values for different roam triggers
* @score_delta_params: Roam score delta values for different triggers
*/
struct ap_profile_params {
uint8_t vdev_id;
struct ap_profile profile;
struct scoring_param param;
struct roam_trigger_min_rssi min_rssi_params[NUM_OF_ROAM_TRIGGERS];
struct roam_trigger_score_delta score_delta_param[NUM_OF_ROAM_TRIGGERS];
};
/**
@@ -524,6 +631,8 @@ struct hlp_params {
* @disassoc_timer_threshold: threshold value till which the firmware can
* wait before triggering the roam scan after receiving the disassoc iminent
* @btm_query_bitmask: bitmask to btm query with candidate list
* @btm_candidate_min_score: Minimum score of the AP to consider it as a
* candidate if the roam trigger is BTM kickout.
*/
struct wmi_btm_config {
uint8_t vdev_id;
@@ -533,6 +642,7 @@ struct wmi_btm_config {
uint32_t btm_sticky_time;
uint32_t disassoc_timer_threshold;
uint32_t btm_query_bitmask;
uint32_t btm_candidate_min_score;
};
/**
@@ -541,11 +651,19 @@ struct wmi_btm_config {
* @bss_load_threshold: BSS load threshold after which roam scan should trigger
* @bss_load_sample_time: Time duration in milliseconds for which the bss load
* trigger needs to be enabled
* @rssi_threshold_5ghz: RSSI threshold of the current connected AP below which
* roam should be triggered if bss load threshold exceeds the configured value.
* This value is applicable only when we are connected in 5GHz band.
* @rssi_threshold_24ghz: RSSI threshold of the current connected AP below which
* roam should be triggered if bss load threshold exceeds the configured value.
* This value is applicable only when we are connected in 2.4GHz band.
*/
struct wmi_bss_load_config {
uint32_t vdev_id;
uint32_t bss_load_threshold;
uint32_t bss_load_sample_time;
int32_t rssi_threshold_5ghz;
int32_t rssi_threshold_24ghz;
};
/**