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qcacld-3.0: Add SAR request-response event

Browse source 
Add support SAR request-response event. When
sar_unsolicited_timer expires driver sends
QCA_NL80211_VENDOR_SUBCMD_GET_SAR_LIMITS_EVENT event to
user space and expects user space to set sar power limits
with the vendor command
QCA_NL80211_VENDOR_SUBCMD_SET_SAR_LIMITS.

Add a request-response event to wait for
QCA_NL80211_VENDOR_SUBCMD_SET_SAR_LIMITS vendor command from
user space. If driver does not get
QCA_NL80211_VENDOR_SUBCMD_SET_SAR_LIMITS command from user space
for a specified number times, driver configures the sar safety
index to the FW.

Change-Id: Ic2b9e0b7fe06093ce849fb46df7bfce5da409ef6
CRs-Fixed: 2615519
This commit is contained in:
Ashish Kumar Dhanotiya 2020-01-20 19:00:38 +05:30 • committed by nshrivas
commit 4f5c252a82
2 changed files with 20 additions and 1 deletions
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1
core/hdd/inc/wlan_hdd_main.h
View file

@ -1886,6 +1886,7 @@ struct hdd_context {
#ifdef SAR_SAFETY_FEATURE
qdf_mc_timer_t sar_safety_timer;
qdf_mc_timer_t sar_safety_unsolicited_timer;
qdf_event_t sar_safety_req_resp_event;
#endif
qdf_time_t runtime_resume_start_time_stamp;

20
core/hdd/src/wlan_hdd_sar_limits.c
View file

@ -412,10 +412,23 @@ static void hdd_send_sar_unsolicited_event(struct hdd_context *hdd_ctx)
static void hdd_sar_unsolicited_timer_cb(void *user_data)
{
struct hdd_context *hdd_ctx = (struct hdd_context *)user_data;
uint8_t i = 0;
QDF_STATUS status;
hdd_nofl_debug("Sar unsolicited timer expired");
hdd_send_sar_unsolicited_event(hdd_ctx);
for (i = 0; i < hdd_ctx->config->sar_safety_req_resp_retry; i++) {
hdd_send_sar_unsolicited_event(hdd_ctx);
status = qdf_wait_for_event_completion(
&hdd_ctx->sar_safety_req_resp_event,
hdd_ctx->config->sar_safety_req_resp_timeout);
if (QDF_IS_STATUS_SUCCESS(status))
break;
}
if (i >= hdd_ctx->config->sar_safety_req_resp_retry)
hdd_configure_sar_index(hdd_ctx,
hdd_ctx->config->sar_safety_index);
}
static void hdd_sar_safety_timer_cb(void *user_data)
@ -458,6 +471,8 @@ void wlan_hdd_sar_timers_reset(struct hdd_context *hdd_ctx)
qdf_mc_timer_get_current_state(
&hdd_ctx->sar_safety_unsolicited_timer))
qdf_mc_timer_stop(&hdd_ctx->sar_safety_unsolicited_timer);
qdf_event_set(&hdd_ctx->sar_safety_req_resp_event);
}
void wlan_hdd_sar_timers_init(struct hdd_context *hdd_ctx)
@ -471,6 +486,8 @@ void wlan_hdd_sar_timers_init(struct hdd_context *hdd_ctx)
qdf_mc_timer_init(&hdd_ctx->sar_safety_unsolicited_timer,
QDF_TIMER_TYPE_SW,
hdd_sar_unsolicited_timer_cb, hdd_ctx);
qdf_event_create(&hdd_ctx->sar_safety_req_resp_event);
}
void wlan_hdd_sar_timers_deinit(struct hdd_context *hdd_ctx)
@ -491,6 +508,7 @@ void wlan_hdd_sar_timers_deinit(struct hdd_context *hdd_ctx)
qdf_mc_timer_destroy(&hdd_ctx->sar_safety_unsolicited_timer);
qdf_event_destroy(&hdd_ctx->sar_safety_req_resp_event);
}
#endif