From: Emmanuel Grumbach Date: Tue, 20 Sep 2011 22:37:26 +0000 (-0700) Subject: iwlagn: pending frames musn't be incremented if agg is on X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=08ecf10441c79ebebe5ce6b6ff9a06c586f5895c;p=~shefty%2Frdma-dev.git iwlagn: pending frames musn't be incremented if agg is on During my works on the transport layer I removed code that updated a local variable (is_agg) that is needed to keep the pending_frames count up to date. Fix this. Also, there should be no way to have a packet with TX_CTL_AMPDU set while the internal aggregation state machine is not in AGG_ON state. Add a WARN_ON to ensure that. Signed-off-by: Emmanuel Grumbach Signed-off-by: Wey-Yi Guy Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index abb702da700..8c0f07f5614 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -313,6 +313,9 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) iwl_sta_modify_sleep_tx_count(priv, sta_id, 1); } + if (info->flags & IEEE80211_TX_CTL_AMPDU) + is_agg = true; + /* irqs already disabled/saved above when locking priv->shrd->lock */ spin_lock(&priv->shrd->sta_lock); diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index dbb7eb3715c..3e69e877e72 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -1096,8 +1096,8 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, hdr->seq_ctrl |= cpu_to_le16(seq_number); seq_number += 0x10; /* aggregation is on for this */ - if (info->flags & IEEE80211_TX_CTL_AMPDU && - tid_data->agg.state == IWL_AGG_ON) { + if (info->flags & IEEE80211_TX_CTL_AMPDU) { + WARN_ON(tid_data->agg.state != IWL_AGG_ON); txq_id = tid_data->agg.txq_id; is_agg = true; }