diff options
| author | Avinash Patil <patila@marvell.com> | 2015-06-03 16:59:36 +0530 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-06-08 11:41:50 +0300 |
| commit | 511c8989fe5a280d9cc2140b4bce24a12debd39a (patch) | |
| tree | 98cff6914235718842b7dca5e37b0ea5f45d1155 | |
| parent | 7b7166256d277080a11c0fcee8d8b884f54edd84 (diff) | |
mwifiex: disable CAC upon radar detection event
This patch adds support to disable ongoing CAC in FW upon
detecting radar during CAC period.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/mwifiex/11h.c | 30 | ||||
| -rw-r--r-- | drivers/net/wireless/mwifiex/main.h | 2 |
2 files changed, 28 insertions, 4 deletions
diff --git a/drivers/net/wireless/mwifiex/11h.c b/drivers/net/wireless/mwifiex/11h.c index 65cd461c88db..bb2ffd9f2e1a 100644 --- a/drivers/net/wireless/mwifiex/11h.c +++ b/drivers/net/wireless/mwifiex/11h.c @@ -161,19 +161,38 @@ int mwifiex_cmd_issue_chan_report_request(struct mwifiex_private *priv, cr_req->chan_desc.chan_width = radar_params->chandef->width; cr_req->msec_dwell_time = cpu_to_le32(radar_params->cac_time_ms); - mwifiex_dbg(priv->adapter, MSG, - "11h: issuing DFS Radar check for channel=%d\n", - radar_params->chandef->chan->hw_value); + if (radar_params->cac_time_ms) + mwifiex_dbg(priv->adapter, MSG, + "11h: issuing DFS Radar check for channel=%d\n", + radar_params->chandef->chan->hw_value); + else + mwifiex_dbg(priv->adapter, MSG, "cancelling CAC\n"); return 0; } +int mwifiex_stop_radar_detection(struct mwifiex_private *priv, + struct cfg80211_chan_def *chandef) +{ + struct mwifiex_radar_params radar_params; + + memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); + radar_params.chandef = chandef; + radar_params.cac_time_ms = 0; + + return mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, + HostCmd_ACT_GEN_SET, 0, &radar_params, true); +} + /* This function is to abort ongoing CAC upon stopping AP operations * or during unload. */ void mwifiex_abort_cac(struct mwifiex_private *priv) { if (priv->wdev.cac_started) { + if (mwifiex_stop_radar_detection(priv, &priv->dfs_chandef)) + mwifiex_dbg(priv->adapter, ERROR, + "failed to stop CAC in FW\n"); mwifiex_dbg(priv->adapter, MSG, "Aborting delayed work for CAC.\n"); cancel_delayed_work_sync(&priv->dfs_cac_work); @@ -245,6 +264,9 @@ int mwifiex_11h_handle_radar_detected(struct mwifiex_private *priv, if (le32_to_cpu(rdr_event->passed)) { mwifiex_dbg(priv->adapter, MSG, "radar detected; indicating kernel\n"); + if (mwifiex_stop_radar_detection(priv, &priv->dfs_chandef)) + mwifiex_dbg(priv->adapter, ERROR, + "Failed to stop CAC in FW\n"); cfg80211_radar_event(priv->adapter->wiphy, &priv->dfs_chandef, GFP_KERNEL); mwifiex_dbg(priv->adapter, MSG, "regdomain: %d\n", @@ -252,7 +274,7 @@ int mwifiex_11h_handle_radar_detected(struct mwifiex_private *priv, mwifiex_dbg(priv->adapter, MSG, "radar detection type: %d\n", rdr_event->det_type); } else { - mwifiex_dbg(priv->adapter, ERROR, + mwifiex_dbg(priv->adapter, MSG, "false radar detection event!\n"); } diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 5a6c1c76b33b..3ac18c6a1fa4 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -1473,6 +1473,8 @@ mwifiex_clone_skb_for_tx_status(struct mwifiex_private *priv, void mwifiex_dfs_cac_work_queue(struct work_struct *work); void mwifiex_dfs_chan_sw_work_queue(struct work_struct *work); void mwifiex_abort_cac(struct mwifiex_private *priv); +int mwifiex_stop_radar_detection(struct mwifiex_private *priv, + struct cfg80211_chan_def *chandef); int mwifiex_11h_handle_radar_detected(struct mwifiex_private *priv, struct sk_buff *skb); |