diff options
Diffstat (limited to 'drivers/net/wireless/libertas/tx.c')
| -rw-r--r-- | drivers/net/wireless/libertas/tx.c | 73 |
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); |
