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path: root/drivers/net/wireless/libertas/tx.c
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Diffstat (limited to 'drivers/net/wireless/libertas/tx.c')
-rw-r--r--drivers/net/wireless/libertas/tx.c73
1 files changed, 37 insertions, 36 deletions
diff --git a/drivers/net/wireless/libertas/tx.c b/drivers/net/wireless/libertas/tx.c
index 68bec31ae03..c025f9c1828 100644
--- a/drivers/net/wireless/libertas/tx.c
+++ b/drivers/net/wireless/libertas/tx.c
@@ -1,22 +1,26 @@
-/**
- * This file contains the handling of TX in wlan driver.
- */
+/*
+ * This file contains the handling of TX in wlan driver.
+ */
+#include <linux/hardirq.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/sched.h>
+#include <linux/export.h>
+#include <net/cfg80211.h>
-#include "hostcmd.h"
+#include "host.h"
#include "radiotap.h"
#include "decl.h"
#include "defs.h"
#include "dev.h"
-#include "wext.h"
+#include "mesh.h"
/**
- * @brief This function converts Tx/Rx rates from IEEE80211_RADIOTAP_RATE
- * units (500 Kb/s) into Marvell WLAN format (see Table 8 in Section 3.2.1)
+ * convert_radiotap_rate_to_mv - converts Tx/Rx rates from IEEE80211_RADIOTAP_RATE
+ * units (500 Kb/s) into Marvell WLAN format (see Table 8 in Section 3.2.1)
*
- * @param rate Input rate
- * @return Output Rate (0 if invalid)
+ * @rate: Input rate
+ * returns: Output Rate (0 if invalid)
*/
static u32 convert_radiotap_rate_to_mv(u8 rate)
{
@@ -50,26 +54,24 @@ static u32 convert_radiotap_rate_to_mv(u8 rate)
}
/**
- * @brief This function checks the conditions and sends packet to IF
- * layer if everything is ok.
+ * lbs_hard_start_xmit - checks the conditions and sends packet to IF
+ * layer if everything is ok
*
- * @param priv A pointer to struct lbs_private structure
- * @param skb A pointer to skb which includes TX packet
- * @return 0 or -1
+ * @skb: A pointer to skb which includes TX packet
+ * @dev: A pointer to the &struct net_device
+ * returns: 0 or -1
*/
-int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+netdev_tx_t lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
unsigned long flags;
struct lbs_private *priv = dev->ml_priv;
struct txpd *txpd;
char *p802x_hdr;
uint16_t pkt_len;
- int ret;
+ netdev_tx_t ret = NETDEV_TX_OK;
lbs_deb_enter(LBS_DEB_TX);
- ret = NETDEV_TX_OK;
-
/* We need to protect against the queues being restarted before
we get round to stopping them */
spin_lock_irqsave(&priv->driver_lock, flags);
@@ -82,8 +84,8 @@ int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
skb->len, MRVDRV_ETH_TX_PACKET_BUFFER_SIZE);
/* We'll never manage to send this one; drop it and return 'OK' */
- priv->stats.tx_dropped++;
- priv->stats.tx_errors++;
+ dev->stats.tx_dropped++;
+ dev->stats.tx_errors++;
goto free;
}
@@ -112,7 +114,7 @@ int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
p802x_hdr = skb->data;
pkt_len = skb->len;
- if (dev == priv->rtap_net_dev) {
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
struct tx_radiotap_hdr *rtap_hdr = (void *)skb->data;
/* set txpd fields from the radiotap header */
@@ -132,8 +134,7 @@ int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
txpd->tx_packet_length = cpu_to_le16(pkt_len);
txpd->tx_packet_location = cpu_to_le32(sizeof(struct txpd));
- if (dev == priv->mesh_dev)
- txpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME);
+ lbs_mesh_set_txpd(priv, dev, txpd);
lbs_deb_hex(LBS_DEB_TX, "txpd", (u8 *) &txpd, sizeof(struct txpd));
@@ -146,12 +147,10 @@ int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
lbs_deb_tx("%s lined up packet\n", __func__);
- priv->stats.tx_packets++;
- priv->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
- dev->trans_start = jiffies;
-
- if (priv->monitormode) {
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
/* Keep the skb to echo it back once Tx feedback is
received from FW */
skb_orphan(skb);
@@ -162,6 +161,7 @@ int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
free:
dev_kfree_skb_any(skb);
}
+
unlock:
spin_unlock_irqrestore(&priv->driver_lock, flags);
wake_up(&priv->waitq);
@@ -171,19 +171,20 @@ int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
/**
- * @brief This function sends to the host the last transmitted packet,
- * filling the radiotap headers with transmission information.
+ * lbs_send_tx_feedback - sends to the host the last transmitted packet,
+ * filling the radiotap headers with transmission information.
*
- * @param priv A pointer to struct lbs_private structure
- * @param status A 32 bit value containing transmission status.
+ * @priv: A pointer to &struct lbs_private structure
+ * @try_count: A 32-bit value containing transmission retry status.
*
- * @returns void
+ * returns: void
*/
void lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count)
{
struct tx_radiotap_hdr *radiotap_hdr;
- if (!priv->monitormode || priv->currenttxskb == NULL)
+ if (priv->wdev->iftype != NL80211_IFTYPE_MONITOR ||
+ priv->currenttxskb == NULL)
return;
radiotap_hdr = (struct tx_radiotap_hdr *)priv->currenttxskb->data;
@@ -192,7 +193,7 @@ void lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count)
(1 + priv->txretrycount - try_count) : 0;
priv->currenttxskb->protocol = eth_type_trans(priv->currenttxskb,
- priv->rtap_net_dev);
+ priv->dev);
netif_rx(priv->currenttxskb);
priv->currenttxskb = NULL;
@@ -200,7 +201,7 @@ void lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count)
if (priv->connect_status == LBS_CONNECTED)
netif_wake_queue(priv->dev);
- if (priv->mesh_dev && (priv->mesh_connect_status == LBS_CONNECTED))
+ if (priv->mesh_dev && netif_running(priv->mesh_dev))
netif_wake_queue(priv->mesh_dev);
}
EXPORT_SYMBOL_GPL(lbs_send_tx_feedback);