From: Sujith Manoharan <Sujith.Manoharan@xxxxxxxxxxx>
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@xxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 227 ++++++++++++++-----------
1 files changed, 127 insertions(+), 100 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 86f5ce9..723a3a9 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -211,28 +211,140 @@ int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
return error;
}
+static void ath9k_htc_tx_mgmt(struct ath9k_htc_priv *priv,
+ struct ath9k_htc_vif *avp,
+ struct sk_buff *skb,
+ u8 sta_idx, u8 vif_idx, u8 slot)
+{
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_mgmt *mgmt;
+ struct ieee80211_hdr *hdr;
+ struct tx_mgmt_hdr mgmt_hdr;
+ struct ath9k_htc_tx_ctl *tx_ctl;
+ u8 *tx_fhdr;
+
+ tx_ctl = HTC_SKB_CB(skb);
+ hdr = (struct ieee80211_hdr *) skb->data;
+
+ memset(tx_ctl, 0, sizeof(*tx_ctl));
+ memset(&mgmt_hdr, 0, sizeof(struct tx_mgmt_hdr));
+
+ /*
+ * Set the TSF adjust value for probe response
+ * frame also.
+ */
+ if (avp && unlikely(ieee80211_is_probe_resp(hdr->frame_control))) {
+ mgmt = (struct ieee80211_mgmt *)skb->data;
+ mgmt->u.probe_resp.timestamp = avp->tsfadjust;
+ }
+
+ tx_ctl->type = ATH9K_HTC_MGMT;
+
+ mgmt_hdr.node_idx = sta_idx;
+ mgmt_hdr.vif_idx = vif_idx;
+ mgmt_hdr.tidno = 0;
+ mgmt_hdr.flags = 0;
+ mgmt_hdr.cookie = slot;
+
+ mgmt_hdr.key_type = ath9k_cmn_get_hw_crypto_keytype(skb);
+ if (mgmt_hdr.key_type == ATH9K_KEY_TYPE_CLEAR)
+ mgmt_hdr.keyix = (u8) ATH9K_TXKEYIX_INVALID;
+ else
+ mgmt_hdr.keyix = tx_info->control.hw_key->hw_key_idx;
+
+ tx_fhdr = skb_push(skb, sizeof(mgmt_hdr));
+ memcpy(tx_fhdr, (u8 *) &mgmt_hdr, sizeof(mgmt_hdr));
+ tx_ctl->epid = priv->mgmt_ep;
+}
+
+static void ath9k_htc_tx_data(struct ath9k_htc_priv *priv,
+ struct ieee80211_vif *vif,
+ struct sk_buff *skb,
+ u8 sta_idx, u8 vif_idx, u8 slot,
+ bool is_cab)
+{
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_hdr *hdr;
+ struct ath9k_htc_tx_ctl *tx_ctl;
+ struct tx_frame_hdr tx_hdr;
+ u32 flags = 0;
+ u8 *qc, *tx_fhdr;
+ u16 qnum;
+
+ tx_ctl = HTC_SKB_CB(skb);
+ hdr = (struct ieee80211_hdr *) skb->data;
+
+ memset(tx_ctl, 0, sizeof(*tx_ctl));
+ memset(&tx_hdr, 0, sizeof(struct tx_frame_hdr));
+
+ tx_hdr.node_idx = sta_idx;
+ tx_hdr.vif_idx = vif_idx;
+ tx_hdr.cookie = slot;
+
+ /*
+ * This is a bit redundant but it helps to get
+ * the per-packet index quickly when draining the
+ * TX queue in the HIF layer. Otherwise we would
+ * have to parse the packet contents ...
+ */
+ tx_ctl->sta_idx = sta_idx;
+
+ if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) {
+ tx_ctl->type = ATH9K_HTC_AMPDU;
+ tx_hdr.data_type = ATH9K_HTC_AMPDU;
+ } else {
+ tx_ctl->type = ATH9K_HTC_NORMAL;
+ tx_hdr.data_type = ATH9K_HTC_NORMAL;
+ }
+
+ if (ieee80211_is_data_qos(hdr->frame_control)) {
+ qc = ieee80211_get_qos_ctl(hdr);
+ tx_hdr.tidno = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
+ }
+
+ /* Check for RTS protection */
+ if (priv->hw->wiphy->rts_threshold != (u32) -1)
+ if (skb->len > priv->hw->wiphy->rts_threshold)
+ flags |= ATH9K_HTC_TX_RTSCTS;
+
+ /* CTS-to-self */
+ if (!(flags & ATH9K_HTC_TX_RTSCTS) &&
+ (vif && vif->bss_conf.use_cts_prot))
+ flags |= ATH9K_HTC_TX_CTSONLY;
+
+ tx_hdr.flags = cpu_to_be32(flags);
+ tx_hdr.key_type = ath9k_cmn_get_hw_crypto_keytype(skb);
+ if (tx_hdr.key_type == ATH9K_KEY_TYPE_CLEAR)
+ tx_hdr.keyix = (u8) ATH9K_TXKEYIX_INVALID;
+ else
+ tx_hdr.keyix = tx_info->control.hw_key->hw_key_idx;
+
+ tx_fhdr = skb_push(skb, sizeof(tx_hdr));
+ memcpy(tx_fhdr, (u8 *) &tx_hdr, sizeof(tx_hdr));
+
+ if (is_cab) {
+ CAB_STAT_INC;
+ tx_ctl->epid = priv->cab_ep;
+ return;
+ }
+
+ qnum = skb_get_queue_mapping(skb);
+ tx_ctl->epid = get_htc_epid(priv, qnum);
+}
+
int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
struct sk_buff *skb,
u8 slot, bool is_cab)
{
struct ieee80211_hdr *hdr;
- struct ieee80211_mgmt *mgmt;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_sta *sta = tx_info->control.sta;
struct ieee80211_vif *vif = tx_info->control.vif;
struct ath9k_htc_sta *ista;
struct ath9k_htc_vif *avp = NULL;
- struct ath9k_htc_tx_ctl *tx_ctl;
- u16 qnum;
- __le16 fc;
- u8 *tx_fhdr;
u8 sta_idx, vif_idx;
- tx_ctl = HTC_SKB_CB(skb);
- memset(tx_ctl, 0, sizeof(*tx_ctl));
-
hdr = (struct ieee80211_hdr *) skb->data;
- fc = hdr->frame_control;
/*
* Find out on which interface this packet has to be
@@ -261,99 +373,14 @@ int ath9k_htc_tx_start(struct ath9k_htc_priv *priv,
sta_idx = priv->vif_sta_pos[vif_idx];
}
- if (ieee80211_is_data(fc)) {
- struct tx_frame_hdr tx_hdr;
- u32 flags = 0;
- u8 *qc;
-
- memset(&tx_hdr, 0, sizeof(struct tx_frame_hdr));
-
- tx_hdr.node_idx = sta_idx;
- tx_hdr.vif_idx = vif_idx;
- tx_hdr.cookie = slot;
-
- /*
- * This is a bit redundant but it helps to get
- * the per-packet index quickly when draining the
- * TX queue in the HIF layer. Otherwise we would
- * have to parse the packet contents ...
- */
- tx_ctl->sta_idx = sta_idx;
-
- if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) {
- tx_ctl->type = ATH9K_HTC_AMPDU;
- tx_hdr.data_type = ATH9K_HTC_AMPDU;
- } else {
- tx_ctl->type = ATH9K_HTC_NORMAL;
- tx_hdr.data_type = ATH9K_HTC_NORMAL;
- }
-
- if (ieee80211_is_data_qos(fc)) {
- qc = ieee80211_get_qos_ctl(hdr);
- tx_hdr.tidno = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
- }
-
- /* Check for RTS protection */
- if (priv->hw->wiphy->rts_threshold != (u32) -1)
- if (skb->len > priv->hw->wiphy->rts_threshold)
- flags |= ATH9K_HTC_TX_RTSCTS;
-
- /* CTS-to-self */
- if (!(flags & ATH9K_HTC_TX_RTSCTS) &&
- (vif && vif->bss_conf.use_cts_prot))
- flags |= ATH9K_HTC_TX_CTSONLY;
-
- tx_hdr.flags = cpu_to_be32(flags);
- tx_hdr.key_type = ath9k_cmn_get_hw_crypto_keytype(skb);
- if (tx_hdr.key_type == ATH9K_KEY_TYPE_CLEAR)
- tx_hdr.keyix = (u8) ATH9K_TXKEYIX_INVALID;
- else
- tx_hdr.keyix = tx_info->control.hw_key->hw_key_idx;
-
- tx_fhdr = skb_push(skb, sizeof(tx_hdr));
- memcpy(tx_fhdr, (u8 *) &tx_hdr, sizeof(tx_hdr));
-
- if (is_cab) {
- CAB_STAT_INC;
- tx_ctl->epid = priv->cab_ep;
- goto send;
- }
-
- qnum = skb_get_queue_mapping(skb);
- tx_ctl->epid = get_htc_epid(priv, qnum);
- } else {
- struct tx_mgmt_hdr mgmt_hdr;
-
- memset(&mgmt_hdr, 0, sizeof(struct tx_mgmt_hdr));
-
- /*
- * Set the TSF adjust value for probe response
- * frame also.
- */
- if (avp && unlikely(ieee80211_is_probe_resp(fc))) {
- mgmt = (struct ieee80211_mgmt *)skb->data;
- mgmt->u.probe_resp.timestamp = avp->tsfadjust;
- }
-
- tx_ctl->type = ATH9K_HTC_MGMT;
-
- mgmt_hdr.node_idx = sta_idx;
- mgmt_hdr.vif_idx = vif_idx;
- mgmt_hdr.tidno = 0;
- mgmt_hdr.flags = 0;
- mgmt_hdr.cookie = slot;
+ if (ieee80211_is_data(hdr->frame_control))
+ ath9k_htc_tx_data(priv, vif, skb,
+ sta_idx, vif_idx, slot, is_cab);
+ else
+ ath9k_htc_tx_mgmt(priv, avp, skb,
+ sta_idx, vif_idx, slot);
- mgmt_hdr.key_type = ath9k_cmn_get_hw_crypto_keytype(skb);
- if (mgmt_hdr.key_type == ATH9K_KEY_TYPE_CLEAR)
- mgmt_hdr.keyix = (u8) ATH9K_TXKEYIX_INVALID;
- else
- mgmt_hdr.keyix = tx_info->control.hw_key->hw_key_idx;
- tx_fhdr = skb_push(skb, sizeof(mgmt_hdr));
- memcpy(tx_fhdr, (u8 *) &mgmt_hdr, sizeof(mgmt_hdr));
- tx_ctl->epid = priv->mgmt_ep;
- }
-send:
return htc_send(priv->htc, skb);
}
--
1.7.4.4
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