From 7b05b0ab89e692eb45b011169afb2359d5d92c6c Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Thu, 27 Feb 2014 16:20:47 +0200 Subject: [PATCH] wil6210: fix BACK status processing When FW notifies about BACK status change, it provides ring ID. Process BA status for requested connection only. As for now, FW don't report Rx BACK status, it reports Tx one instead. As per current algorithm used in the firmware, imply Rx BACK state is in sync with Tx one Signed-off-by: Vladimir Kondratiev Signed-off-by: John W. Linville --- drivers/net/wireless/ath/wil6210/wmi.c | 47 ++++++++++++++++++++++------------ 1 file changed, 31 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index dfbc239..635aa32 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -563,27 +563,42 @@ static void wmi_evt_ba_status(struct wil6210_priv *wil, int id, void *d, int len) { struct wmi_vring_ba_status_event *evt = d; - uint cid, i; + struct wil_sta_info *sta; + uint i, cid; + + /* TODO: use Rx BA status, not Tx one */ wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d\n", - evt->ringid, evt->status == WMI_BA_AGREED ? "OK" : "N/A", + evt->ringid, + evt->status == WMI_BA_AGREED ? "OK" : "N/A", evt->agg_wsize, __le16_to_cpu(evt->ba_timeout)); - for (cid = 0; cid < WIL6210_MAX_CID; cid++) { - struct wil_sta_info *sta = &wil->sta[cid]; - - if (sta->status == wil_sta_unused) - continue; - wil_dbg_wmi(wil, "Init BACK for CID %d %pM\n", cid, sta->addr); - for (i = 0; i < WIL_STA_TID_NUM; i++) { - struct wil_tid_ampdu_rx *r = sta->tid_rx[i]; - sta->tid_rx[i] = NULL; - wil_tid_ampdu_rx_free(wil, r); - if ((evt->status == WMI_BA_AGREED) && evt->agg_wsize) - sta->tid_rx[i] = wil_tid_ampdu_rx_alloc(wil, - evt->agg_wsize, 0); - } + + if (evt->ringid >= WIL6210_MAX_TX_RINGS) { + wil_err(wil, "invalid ring id %d\n", evt->ringid); + return; } + cid = wil->vring2cid_tid[evt->ringid][0]; + if (cid >= WIL6210_MAX_CID) { + wil_err(wil, "invalid CID %d for vring %d\n", cid, evt->ringid); + return; + } + + sta = &wil->sta[cid]; + if (sta->status == wil_sta_unused) { + wil_err(wil, "CID %d unused\n", cid); + return; + } + + wil_dbg_wmi(wil, "BACK for CID %d %pM\n", cid, sta->addr); + for (i = 0; i < WIL_STA_TID_NUM; i++) { + struct wil_tid_ampdu_rx *r = sta->tid_rx[i]; + sta->tid_rx[i] = NULL; + wil_tid_ampdu_rx_free(wil, r); + if ((evt->status == WMI_BA_AGREED) && evt->agg_wsize) + sta->tid_rx[i] = wil_tid_ampdu_rx_alloc(wil, + evt->agg_wsize, 0); + } } static const struct { -- 2.7.4