diff options
| author | Amitkumar Karwar <akarwar@marvell.com> | 2012-10-20 06:19:15 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-10-29 23:19:31 +0400 |
| commit | e45a841972b9d43e19e61ab3089bbe0d52a990e8 (patch) | |
| tree | 291b887ea3af0370f2e8ea67fb9d6a8a22dbba05 | |
| parent | ccd609538e99d3465a8d498f3655098f44cd253b (diff) | |
| download | linux-e45a841972b9d43e19e61ab3089bbe0d52a990e8.tar.xz | |
mwifiex: use LOW_PRIORITY scan flag provided in scan request
We will delay/abort scan operation based on traffic for low
priority scan.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/mwifiex/cfg80211.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/scan.c | 6 |
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 38a58713de6a..60461325dff8 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1819,7 +1819,8 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy, wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name); - if (atomic_read(&priv->wmm.tx_pkts_queued) >= + if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && + atomic_read(&priv->wmm.tx_pkts_queued) >= MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) { dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n"); return -EBUSY; @@ -2251,7 +2252,8 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; wiphy->features |= NL80211_FEATURE_HT_IBSS | - NL80211_FEATURE_INACTIVITY_TIMER; + NL80211_FEATURE_INACTIVITY_TIMER | + NL80211_FEATURE_LOW_PRIORITY_SCAN; /* Reserve space for mwifiex specific private data for BSS */ wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index 5896b1fb4a2d..05965267cc27 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -1776,12 +1776,16 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, priv->user_scan_cfg = NULL; } } else { - if (!mwifiex_wmm_lists_empty(adapter)) { + if (!mwifiex_wmm_lists_empty(adapter) && + (priv->scan_request && (priv->scan_request->flags & + NL80211_SCAN_FLAG_LOW_PRIORITY))) { spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); adapter->scan_delay_cnt = 1; mod_timer(&priv->scan_delay_timer, jiffies + msecs_to_jiffies(MWIFIEX_SCAN_DELAY_MSEC)); + dev_dbg(priv->adapter->dev, + "info: %s: deferring scan\n", __func__); } else { /* Get scan command from scan_pending_q and put to cmd_pending_q */ |