aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/libertas/rx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/libertas/rx.c')
-rw-r--r--drivers/net/wireless/libertas/rx.c52
1 files changed, 30 insertions, 22 deletions
diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c
index a2b1df21d28..e446fed7b34 100644
--- a/drivers/net/wireless/libertas/rx.c
+++ b/drivers/net/wireless/libertas/rx.c
@@ -1,9 +1,14 @@
-/**
- * This file contains the handling of RX in wlan driver.
- */
+/*
+ * This file contains the handling of RX in wlan driver.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/etherdevice.h>
+#include <linux/hardirq.h>
#include <linux/slab.h>
#include <linux/types.h>
+#include <linux/export.h>
#include <net/cfg80211.h>
#include "defs.h"
@@ -11,6 +16,7 @@
#include "radiotap.h"
#include "decl.h"
#include "dev.h"
+#include "mesh.h"
struct eth803hdr {
u8 dest_addr[6];
@@ -40,12 +46,12 @@ static int process_rxed_802_11_packet(struct lbs_private *priv,
struct sk_buff *skb);
/**
- * @brief This function processes received packet and forwards it
- * to kernel/upper layer
+ * lbs_process_rxed_packet - processes received packet and forwards it
+ * to kernel/upper layer
*
- * @param priv A pointer to struct lbs_private
- * @param skb A pointer to skb which includes the received packet
- * @return 0 or -1
+ * @priv: A pointer to &struct lbs_private
+ * @skb: A pointer to skb which includes the received packet
+ * returns: 0 or -1
*/
int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb)
{
@@ -65,8 +71,10 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb)
skb->ip_summed = CHECKSUM_NONE;
- if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
- return process_rxed_802_11_packet(priv, skb);
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
+ ret = process_rxed_802_11_packet(priv, skb);
+ goto done;
+ }
p_rx_pd = (struct rxpd *) skb->data;
p_rx_pkt = (struct rxpackethdr *) ((u8 *)p_rx_pd +
@@ -80,7 +88,7 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb)
if (skb->len < (ETH_HLEN + 8 + sizeof(struct rxpd))) {
lbs_deb_rx("rx err: frame received with bad length\n");
dev->stats.rx_length_errors++;
- ret = 0;
+ ret = -EINVAL;
dev_kfree_skb(skb);
goto done;
}
@@ -156,11 +164,11 @@ done:
EXPORT_SYMBOL_GPL(lbs_process_rxed_packet);
/**
- * @brief This function converts Tx/Rx rates from the Marvell WLAN format
- * (see Table 2 in Section 3.1) to IEEE80211_RADIOTAP_RATE units (500 Kb/s)
+ * convert_mv_rate_to_radiotap - converts Tx/Rx rates from Marvell WLAN format
+ * (see Table 2 in Section 3.1) to IEEE80211_RADIOTAP_RATE units (500 Kb/s)
*
- * @param rate Input rate
- * @return Output Rate (0 if invalid)
+ * @rate: Input rate
+ * returns: Output Rate (0 if invalid)
*/
static u8 convert_mv_rate_to_radiotap(u8 rate)
{
@@ -191,17 +199,17 @@ static u8 convert_mv_rate_to_radiotap(u8 rate)
case 12: /* 54 Mbps */
return 108;
}
- lbs_pr_alert("Invalid Marvell WLAN rate %i\n", rate);
+ pr_alert("Invalid Marvell WLAN rate %i\n", rate);
return 0;
}
/**
- * @brief This function processes a received 802.11 packet and forwards it
- * to kernel/upper layer
+ * process_rxed_802_11_packet - processes a received 802.11 packet and forwards
+ * it to kernel/upper layer
*
- * @param priv A pointer to struct lbs_private
- * @param skb A pointer to skb which includes the received packet
- * @return 0 or -1
+ * @priv: A pointer to &struct lbs_private
+ * @skb: A pointer to skb which includes the received packet
+ * returns: 0 or -1
*/
static int process_rxed_802_11_packet(struct lbs_private *priv,
struct sk_buff *skb)
@@ -248,7 +256,7 @@ static int process_rxed_802_11_packet(struct lbs_private *priv,
/* add space for the new radio header */
if ((skb_headroom(skb) < sizeof(struct rx_radiotap_hdr)) &&
pskb_expand_head(skb, sizeof(struct rx_radiotap_hdr), 0, GFP_ATOMIC)) {
- lbs_pr_alert("%s: couldn't pskb_expand_head\n", __func__);
+ netdev_alert(dev, "%s: couldn't pskb_expand_head\n", __func__);
ret = -ENOMEM;
kfree_skb(skb);
goto done;