diff options
Diffstat (limited to 'package/kernel/mac80211/patches/380-0006-ath10k-add-support-to-configure-channel-dwell-time.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/380-0006-ath10k-add-support-to-configure-channel-dwell-time.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/380-0006-ath10k-add-support-to-configure-channel-dwell-time.patch b/package/kernel/mac80211/patches/380-0006-ath10k-add-support-to-configure-channel-dwell-time.patch new file mode 100644 index 0000000000..3451a9930b --- /dev/null +++ b/package/kernel/mac80211/patches/380-0006-ath10k-add-support-to-configure-channel-dwell-time.patch @@ -0,0 +1,92 @@ +From be8cce96f14dc925ecfb702be0392a52cf78adb5 Mon Sep 17 00:00:00 2001 +From: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org> +Date: Wed, 23 May 2018 11:09:09 +0300 +Subject: [PATCH] ath10k: add support to configure channel dwell time + +Configure channel dwell time from duration of the scan request +received from mac80211 when the duration is non-zero. When the +scan request does not have duration value, use the default ones, +the current implementation. + +Corresponding flag NL80211_EXT_FEATURE_SET_SCAN_DWELL is +advertized. + +Supported Chipsets: + -QCA988X/QCA9887 PCI + -QCA99X0/QCA9984/QCA9888/QCA4019 PCI + -QCA6174/QCA9377 PCI/USB/SDIO + -WCN3990 SNOC + +Tested on QCA9984 with firmware ver 10.4-3.6-0010 + +Signed-off-by: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/ath/ath10k/core.h | 1 + + drivers/net/wireless/ath/ath10k/mac.c | 23 ++++++++++++++++++++--- + 2 files changed, 21 insertions(+), 3 deletions(-) + +--- a/drivers/net/wireless/ath/ath10k/core.h ++++ b/drivers/net/wireless/ath/ath10k/core.h +@@ -43,6 +43,7 @@ + #define WO(_f) ((_f##_OFFSET) >> 2) + + #define ATH10K_SCAN_ID 0 ++#define ATH10K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD 10 /* msec */ + #define WMI_READY_TIMEOUT (5 * HZ) + #define ATH10K_FLUSH_TIMEOUT_HZ (5 * HZ) + #define ATH10K_CONNECTION_LOSS_HZ (3 * HZ) +--- a/drivers/net/wireless/ath/ath10k/mac.c ++++ b/drivers/net/wireless/ath/ath10k/mac.c +@@ -5597,6 +5597,7 @@ static int ath10k_hw_scan(struct ieee802 + struct wmi_start_scan_arg arg; + int ret = 0; + int i; ++ u32 scan_timeout; + + mutex_lock(&ar->conf_mutex); + +@@ -5647,6 +5648,22 @@ static int ath10k_hw_scan(struct ieee802 + arg.channels[i] = req->channels[i]->center_freq; + } + ++ /* if duration is set, default dwell times will be overwritten */ ++ if (req->duration) { ++ arg.dwell_time_active = req->duration; ++ arg.dwell_time_passive = req->duration; ++ arg.burst_duration_ms = req->duration; ++ ++ scan_timeout = min_t(u32, arg.max_rest_time * ++ (arg.n_channels - 1) + (req->duration + ++ ATH10K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD) * ++ arg.n_channels, arg.max_scan_time + 200); ++ ++ } else { ++ /* Add a 200ms margin to account for event/command processing */ ++ scan_timeout = arg.max_scan_time + 200; ++ } ++ + ret = ath10k_start_scan(ar, &arg); + if (ret) { + ath10k_warn(ar, "failed to start hw scan: %d\n", ret); +@@ -5655,10 +5672,8 @@ static int ath10k_hw_scan(struct ieee802 + spin_unlock_bh(&ar->data_lock); + } + +- /* Add a 200ms margin to account for event/command processing */ + ieee80211_queue_delayed_work(ar->hw, &ar->scan.timeout, +- msecs_to_jiffies(arg.max_scan_time + +- 200)); ++ msecs_to_jiffies(scan_timeout)); + + exit: + mutex_unlock(&ar->conf_mutex); +@@ -8267,6 +8282,8 @@ int ath10k_mac_register(struct ath10k *a + } + + wiphy_ext_feature_set(ar->hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS); ++ wiphy_ext_feature_set(ar->hw->wiphy, ++ NL80211_EXT_FEATURE_SET_SCAN_DWELL); + + /* + * on LL hardware queues are managed entirely by the FW |