diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2011-11-23 10:52:20 +0200 |
|---|---|---|
| committer | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2011-12-16 07:23:15 -0800 |
| commit | 97756fb1c39d58b76ee1488ac894ee81eaf17ba9 (patch) | |
| tree | 758a8b061692dc2705d09f41d1bfc10890472093 | |
| parent | 34b5321e4f8bb71fd9b2190d6aad4646486c4ba6 (diff) | |
| download | linux-97756fb1c39d58b76ee1488ac894ee81eaf17ba9.tar.bz2 | |
iwlwifi: transport layer shouldn't access the AGG SM
This is another step towards the move of tid_data from the shared
area.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 26 |
2 files changed, 16 insertions, 21 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c index 8db9144d7017..88ee5579ba7c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c @@ -377,6 +377,17 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) goto drop_unlock_sta; tid_data = &priv->shrd->tid_data[sta_id][tid]; + /* aggregation is on for this <sta,tid> */ + if (info->flags & IEEE80211_TX_CTL_AMPDU && + tid_data->agg.state != IWL_AGG_ON) { + IWL_ERR(priv, "TX_CTL_AMPDU while not in AGG:" + " Tx flags = 0x%08x, agg.state = %d", + info->flags, tid_data->agg.state); + IWL_ERR(priv, "sta_id = %d, tid = %d seq_num = %d", + sta_id, tid, SEQ_TO_SN(tid_data->seq_number)); + goto drop_unlock_sta; + } + seq_number = tid_data->seq_number; seq_number &= IEEE80211_SCTL_SEQ; hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index 06db602b41db..cfa0bf6cafd1 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -1058,7 +1058,6 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, dma_addr_t txcmd_phys; dma_addr_t scratch_phys; u16 len, firstlen, secondlen; - u16 seq_number = 0; u8 wait_write_ptr = 0; u8 txq_id; bool is_agg = false; @@ -1084,26 +1083,11 @@ static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, txq_id = trans_pcie->ac_to_queue[ctx][skb_get_queue_mapping(skb)]; - if (ieee80211_is_data_qos(fc) && !ieee80211_is_qos_nullfunc(fc)) { - struct iwl_tid_data *tid_data; - tid_data = &trans->shrd->tid_data[sta_id][tid]; - if (WARN_ON_ONCE(tid >= IWL_MAX_TID_COUNT)) - return -1; - - /* aggregation is on for this <sta,tid> */ - if (info->flags & IEEE80211_TX_CTL_AMPDU) { - if (WARN_ON_ONCE(tid_data->agg.state != IWL_AGG_ON)) { - IWL_ERR(trans, "TX_CTL_AMPDU while not in AGG:" - " Tx flags = 0x%08x, agg.state = %d", - info->flags, tid_data->agg.state); - IWL_ERR(trans, "sta_id = %d, tid = %d " - "txq_id = %d, seq_num = %d", sta_id, - tid, trans_pcie->agg_txq[sta_id][tid], - SEQ_TO_SN(seq_number)); - } - txq_id = trans_pcie->agg_txq[sta_id][tid]; - is_agg = true; - } + /* aggregation is on for this <sta,tid> */ + if (info->flags & IEEE80211_TX_CTL_AMPDU) { + WARN_ON(tid >= IWL_MAX_TID_COUNT); + txq_id = trans_pcie->agg_txq[sta_id][tid]; + is_agg = true; } txq = &trans_pcie->txq[txq_id]; |