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qcacld-3.0: Add support for WAIT_FOR_READY in state ctrl param

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Currently, driver state control param write only support WiFi On/Off.
There is no provision for user space to know that whether the driver
recovery is complete or not.

To address this, add support for WAIT_FOR_READY string in the state
control param write. Whenever WAIT_FOR_READY string is written to
the state control param, driver should wait for ongoing recovery
to complete and then return.

Change-Id: If97c44497f1bbe69683b7483c179f9dc14fa75f1
CRs-Fixed: 3141194
This commit is contained in:
Bapiraju Alla
2022-03-01 15:10:22 +05:30
committed by Madan Koyyalamudi
parent 83da2e2f69
commit 08c076908b
1 changed files with 10 additions and 1 deletions
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11
core/hdd/src/wlan_hdd_main.c
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@@ -17299,9 +17299,11 @@ static ssize_t wlan_hdd_state_ctrl_param_write(struct file *filp,
char buf[3]; char buf[3];
static const char wlan_off_str[] = "OFF"; static const char wlan_off_str[] = "OFF";
static const char wlan_on_str[] = "ON"; static const char wlan_on_str[] = "ON";
static const char wlan_wait_for_ready_str[] = "WAIT_FOR_READY";
int ret; int ret;
unsigned long rc; unsigned long rc;
struct hdd_context *hdd_ctx; struct hdd_context *hdd_ctx;
bool is_wait_for_ready = false;
if (copy_from_user(buf, user_buf, 3)) { if (copy_from_user(buf, user_buf, 3)) {
pr_err("Failed to read buffer\n"); pr_err("Failed to read buffer\n");
@@ -17317,7 +17319,11 @@ static ssize_t wlan_hdd_state_ctrl_param_write(struct file *filp,
if (strncmp(buf, wlan_on_str, strlen(wlan_on_str)) == 0) if (strncmp(buf, wlan_on_str, strlen(wlan_on_str)) == 0)
pr_info("Wifi Turning On from UI\n"); pr_info("Wifi Turning On from UI\n");
if (strncmp(buf, wlan_on_str, strlen(wlan_on_str)) != 0) { if (strncmp(buf, wlan_wait_for_ready_str,
strlen(wlan_wait_for_ready_str)) == 0) {
is_wait_for_ready = true;
pr_info("Wifi wait for ready from UI\n");
} else if (strncmp(buf, wlan_on_str, strlen(wlan_on_str)) != 0) {
pr_err("Invalid value received from framework"); pr_err("Invalid value received from framework");
goto exit; goto exit;
} }
@@ -17332,6 +17338,9 @@ static ssize_t wlan_hdd_state_ctrl_param_write(struct file *filp,
} }
} }
if (is_wait_for_ready)
return count;
/* /*
* Flush idle shutdown work for cases to synchronize the wifi on * Flush idle shutdown work for cases to synchronize the wifi on
* during the idle shutdown. * during the idle shutdown.