From 441756b6a6e3818dc6f2e76b9526558d450ce778 Mon Sep 17 00:00:00 2001 From: Ganapathi Bhat Date: Mon, 25 Jul 2016 21:21:11 +0530 Subject: [PATCH] mwifiex: fix radar detection issue It's been observed that firmware sends RADAR detected event without specifying bss_num/bss_type. Also, the event body is empty. Currently the event is being ignored by driver. This patch checks on which interface 11H is active, accordingly fills bss_num/bss_type and handles the event. Condition "if (le32_to_cpu(rdr_event->passed))" which always fails is also removed. Signed-off-by: Ganapathi Bhat Signed-off-by: Amitkumar Karwar Signed-off-by: Kalle Valo --- drivers/net/wireless/marvell/mwifiex/11h.c | 27 +++++++++++---------------- drivers/net/wireless/marvell/mwifiex/cmdevt.c | 18 ++++++++++++++++-- 2 files changed, 27 insertions(+), 18 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/11h.c b/drivers/net/wireless/marvell/mwifiex/11h.c index 81c60d0..43dccd5 100644 --- a/drivers/net/wireless/marvell/mwifiex/11h.c +++ b/drivers/net/wireless/marvell/mwifiex/11h.c @@ -260,22 +260,17 @@ int mwifiex_11h_handle_radar_detected(struct mwifiex_private *priv, rdr_event = (void *)(skb->data + sizeof(u32)); - 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", - rdr_event->reg_domain); - mwifiex_dbg(priv->adapter, MSG, "radar detection type: %d\n", - rdr_event->det_type); - } else { - mwifiex_dbg(priv->adapter, MSG, - "false radar detection event!\n"); - } + 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", + rdr_event->reg_domain); + mwifiex_dbg(priv->adapter, MSG, "radar detection type: %d\n", + rdr_event->det_type); return 0; } diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c index c29f26d..d433aa0 100644 --- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c +++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c @@ -480,13 +480,27 @@ int mwifiex_free_cmd_buffer(struct mwifiex_adapter *adapter) */ int mwifiex_process_event(struct mwifiex_adapter *adapter) { - int ret; + int ret, i; struct mwifiex_private *priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); struct sk_buff *skb = adapter->event_skb; - u32 eventcause = adapter->event_cause; + u32 eventcause; struct mwifiex_rxinfo *rx_info; + if ((adapter->event_cause & EVENT_ID_MASK) == EVENT_RADAR_DETECTED) { + for (i = 0; i < adapter->priv_num; i++) { + priv = adapter->priv[i]; + if (priv && mwifiex_is_11h_active(priv)) { + adapter->event_cause |= + ((priv->bss_num & 0xff) << 16) | + ((priv->bss_type & 0xff) << 24); + break; + } + } + } + + eventcause = adapter->event_cause; + /* Save the last event to debug log */ adapter->dbg.last_event_index = (adapter->dbg.last_event_index + 1) % DBG_CMD_NUM; -- 2.7.4