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path: root/drivers/net/wireless/libertas_tf/main.c
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Diffstat (limited to 'drivers/net/wireless/libertas_tf/main.c')
-rw-r--r--drivers/net/wireless/libertas_tf/main.c106
1 files changed, 91 insertions, 15 deletions
diff --git a/drivers/net/wireless/libertas_tf/main.c b/drivers/net/wireless/libertas_tf/main.c
index 7945ff5aa334..6a04c2157f73 100644
--- a/drivers/net/wireless/libertas_tf/main.c
+++ b/drivers/net/wireless/libertas_tf/main.c
@@ -7,10 +7,12 @@
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/slab.h>
+#include <linux/etherdevice.h>
#include "libertas_tf.h"
-#include "linux/etherdevice.h"
#define DRIVER_RELEASE_VERSION "004.p0"
/* thinfirm version: 5.132.X.pX */
@@ -18,7 +20,17 @@
#define LBTF_FW_VER_MAX 0x0584ffff
#define QOS_CONTROL_LEN 2
-static const char lbtf_driver_version[] = "THINFIRM-USB8388-" DRIVER_RELEASE_VERSION;
+/* Module parameters */
+unsigned int lbtf_debug;
+EXPORT_SYMBOL_GPL(lbtf_debug);
+module_param_named(libertas_tf_debug, lbtf_debug, int, 0644);
+
+static const char lbtf_driver_version[] = "THINFIRM-USB8388-" DRIVER_RELEASE_VERSION
+#ifdef DEBUG
+ "-dbg"
+#endif
+ "";
+
struct workqueue_struct *lbtf_wq;
static const struct ieee80211_channel lbtf_channels[] = {
@@ -81,6 +93,9 @@ static void lbtf_cmd_work(struct work_struct *work)
{
struct lbtf_private *priv = container_of(work, struct lbtf_private,
cmd_work);
+
+ lbtf_deb_enter(LBTF_DEB_CMD);
+
spin_lock_irq(&priv->driver_lock);
/* command response? */
if (priv->cmd_response_rxed) {
@@ -108,11 +123,16 @@ static void lbtf_cmd_work(struct work_struct *work)
priv->cmd_timed_out = 0;
spin_unlock_irq(&priv->driver_lock);
- if (!priv->fw_ready)
+ if (!priv->fw_ready) {
+ lbtf_deb_leave_args(LBTF_DEB_CMD, "fw not ready");
return;
+ }
+
/* Execute the next command */
if (!priv->cur_cmd)
lbtf_execute_next_command(priv);
+
+ lbtf_deb_leave(LBTF_DEB_CMD);
}
/**
@@ -126,6 +146,7 @@ static int lbtf_setup_firmware(struct lbtf_private *priv)
{
int ret = -1;
+ lbtf_deb_enter(LBTF_DEB_FW);
/*
* Read priv address from HW
*/
@@ -141,6 +162,7 @@ static int lbtf_setup_firmware(struct lbtf_private *priv)
ret = 0;
done:
+ lbtf_deb_leave_args(LBTF_DEB_FW, "ret: %d", ret);
return ret;
}
@@ -152,6 +174,7 @@ static void command_timer_fn(unsigned long data)
{
struct lbtf_private *priv = (struct lbtf_private *)data;
unsigned long flags;
+ lbtf_deb_enter(LBTF_DEB_CMD);
spin_lock_irqsave(&priv->driver_lock, flags);
@@ -168,10 +191,12 @@ static void command_timer_fn(unsigned long data)
queue_work(lbtf_wq, &priv->cmd_work);
out:
spin_unlock_irqrestore(&priv->driver_lock, flags);
+ lbtf_deb_leave(LBTF_DEB_CMD);
}
static int lbtf_init_adapter(struct lbtf_private *priv)
{
+ lbtf_deb_enter(LBTF_DEB_MAIN);
memset(priv->current_addr, 0xff, ETH_ALEN);
mutex_init(&priv->lock);
@@ -188,13 +213,16 @@ static int lbtf_init_adapter(struct lbtf_private *priv)
if (lbtf_allocate_cmd_buffer(priv))
return -1;
+ lbtf_deb_leave(LBTF_DEB_MAIN);
return 0;
}
static void lbtf_free_adapter(struct lbtf_private *priv)
{
+ lbtf_deb_enter(LBTF_DEB_MAIN);
lbtf_free_cmd_buffer(priv);
del_timer(&priv->command_timer);
+ lbtf_deb_leave(LBTF_DEB_MAIN);
}
static int lbtf_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
@@ -221,14 +249,18 @@ static void lbtf_tx_work(struct work_struct *work)
struct sk_buff *skb = NULL;
int err;
+ lbtf_deb_enter(LBTF_DEB_MACOPS | LBTF_DEB_TX);
+
if ((priv->vif->type == NL80211_IFTYPE_AP) &&
(!skb_queue_empty(&priv->bc_ps_buf)))
skb = skb_dequeue(&priv->bc_ps_buf);
else if (priv->skb_to_tx) {
skb = priv->skb_to_tx;
priv->skb_to_tx = NULL;
- } else
+ } else {
+ lbtf_deb_leave(LBTF_DEB_MACOPS | LBTF_DEB_TX);
return;
+ }
len = skb->len;
info = IEEE80211_SKB_CB(skb);
@@ -236,6 +268,7 @@ static void lbtf_tx_work(struct work_struct *work)
if (priv->surpriseremoved) {
dev_kfree_skb_any(skb);
+ lbtf_deb_leave(LBTF_DEB_MACOPS | LBTF_DEB_TX);
return;
}
@@ -249,6 +282,7 @@ static void lbtf_tx_work(struct work_struct *work)
ETH_ALEN);
txpd->tx_packet_length = cpu_to_le16(len);
txpd->tx_packet_location = cpu_to_le32(sizeof(struct txpd));
+ lbtf_deb_hex(LBTF_DEB_TX, "TX Data", skb->data, min_t(unsigned int, skb->len, 100));
BUG_ON(priv->tx_skb);
spin_lock_irq(&priv->driver_lock);
priv->tx_skb = skb;
@@ -257,7 +291,9 @@ static void lbtf_tx_work(struct work_struct *work)
if (err) {
dev_kfree_skb_any(skb);
priv->tx_skb = NULL;
+ pr_err("TX error: %d", err);
}
+ lbtf_deb_leave(LBTF_DEB_MACOPS | LBTF_DEB_TX);
}
static int lbtf_op_start(struct ieee80211_hw *hw)
@@ -266,6 +302,8 @@ static int lbtf_op_start(struct ieee80211_hw *hw)
void *card = priv->card;
int ret = -1;
+ lbtf_deb_enter(LBTF_DEB_MACOPS);
+
if (!priv->fw_ready)
/* Upload firmware */
if (priv->hw_prog_firmware(card))
@@ -286,10 +324,12 @@ static int lbtf_op_start(struct ieee80211_hw *hw)
}
printk(KERN_INFO "libertastf: Marvell WLAN 802.11 thinfirm adapter\n");
+ lbtf_deb_leave(LBTF_DEB_MACOPS);
return 0;
err_prog_firmware:
priv->hw_reset_device(card);
+ lbtf_deb_leave_args(LBTF_DEB_MACOPS, "error programing fw; ret=%d", ret);
return ret;
}
@@ -300,6 +340,9 @@ static void lbtf_op_stop(struct ieee80211_hw *hw)
struct sk_buff *skb;
struct cmd_ctrl_node *cmdnode;
+
+ lbtf_deb_enter(LBTF_DEB_MACOPS);
+
/* Flush pending command nodes */
spin_lock_irqsave(&priv->driver_lock, flags);
list_for_each_entry(cmdnode, &priv->cmdpendingq, list) {
@@ -316,13 +359,14 @@ static void lbtf_op_stop(struct ieee80211_hw *hw)
priv->radioon = RADIO_OFF;
lbtf_set_radio_control(priv);
- return;
+ lbtf_deb_leave(LBTF_DEB_MACOPS);
}
static int lbtf_op_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct lbtf_private *priv = hw->priv;
+ lbtf_deb_enter(LBTF_DEB_MACOPS);
if (priv->vif != NULL)
return -EOPNOTSUPP;
@@ -340,6 +384,7 @@ static int lbtf_op_add_interface(struct ieee80211_hw *hw,
return -EOPNOTSUPP;
}
lbtf_set_mac_address(priv, (u8 *) vif->addr);
+ lbtf_deb_leave(LBTF_DEB_MACOPS);
return 0;
}
@@ -347,6 +392,7 @@ static void lbtf_op_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct lbtf_private *priv = hw->priv;
+ lbtf_deb_enter(LBTF_DEB_MACOPS);
if (priv->vif->type == NL80211_IFTYPE_AP ||
priv->vif->type == NL80211_IFTYPE_MESH_POINT)
@@ -354,37 +400,38 @@ static void lbtf_op_remove_interface(struct ieee80211_hw *hw,
lbtf_set_mode(priv, LBTF_PASSIVE_MODE);
lbtf_set_bssid(priv, 0, NULL);
priv->vif = NULL;
+ lbtf_deb_leave(LBTF_DEB_MACOPS);
}
static int lbtf_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct lbtf_private *priv = hw->priv;
struct ieee80211_conf *conf = &hw->conf;
+ lbtf_deb_enter(LBTF_DEB_MACOPS);
if (conf->channel->center_freq != priv->cur_freq) {
priv->cur_freq = conf->channel->center_freq;
lbtf_set_channel(priv, conf->channel->hw_value);
}
+ lbtf_deb_leave(LBTF_DEB_MACOPS);
return 0;
}
static u64 lbtf_op_prepare_multicast(struct ieee80211_hw *hw,
- int mc_count, struct dev_addr_list *mclist)
+ struct netdev_hw_addr_list *mc_list)
{
struct lbtf_private *priv = hw->priv;
int i;
+ struct netdev_hw_addr *ha;
+ int mc_count = netdev_hw_addr_list_count(mc_list);
if (!mc_count || mc_count > MRVDRV_MAX_MULTICAST_LIST_SIZE)
return mc_count;
priv->nr_of_multicastmacaddr = mc_count;
- for (i = 0; i < mc_count; i++) {
- if (!mclist)
- break;
- memcpy(&priv->multicastlist[i], mclist->da_addr,
- ETH_ALEN);
- mclist = mclist->next;
- }
+ i = 0;
+ netdev_hw_addr_list_for_each(ha, mc_list)
+ memcpy(&priv->multicastlist[i++], ha->addr, ETH_ALEN);
return mc_count;
}
@@ -397,11 +444,16 @@ static void lbtf_op_configure_filter(struct ieee80211_hw *hw,
{
struct lbtf_private *priv = hw->priv;
int old_mac_control = priv->mac_control;
+
+ lbtf_deb_enter(LBTF_DEB_MACOPS);
+
changed_flags &= SUPPORTED_FIF_FLAGS;
*new_flags &= SUPPORTED_FIF_FLAGS;
- if (!changed_flags)
+ if (!changed_flags) {
+ lbtf_deb_leave(LBTF_DEB_MACOPS);
return;
+ }
if (*new_flags & (FIF_PROMISC_IN_BSS))
priv->mac_control |= CMD_ACT_MAC_PROMISCUOUS_ENABLE;
@@ -427,6 +479,8 @@ static void lbtf_op_configure_filter(struct ieee80211_hw *hw,
if (priv->mac_control != old_mac_control)
lbtf_set_mac_control(priv);
+
+ lbtf_deb_leave(LBTF_DEB_MACOPS);
}
static void lbtf_op_bss_info_changed(struct ieee80211_hw *hw,
@@ -436,6 +490,7 @@ static void lbtf_op_bss_info_changed(struct ieee80211_hw *hw,
{
struct lbtf_private *priv = hw->priv;
struct sk_buff *beacon;
+ lbtf_deb_enter(LBTF_DEB_MACOPS);
if (changes & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_INT)) {
switch (priv->vif->type) {
@@ -466,6 +521,8 @@ static void lbtf_op_bss_info_changed(struct ieee80211_hw *hw,
priv->preamble = CMD_TYPE_LONG_PREAMBLE;
lbtf_set_radio_control(priv);
}
+
+ lbtf_deb_leave(LBTF_DEB_MACOPS);
}
static const struct ieee80211_ops lbtf_ops = {
@@ -488,6 +545,8 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
unsigned int flags;
struct ieee80211_hdr *hdr;
+ lbtf_deb_enter(LBTF_DEB_RX);
+
prxpd = (struct rxpd *) skb->data;
stats.flag = 0;
@@ -496,7 +555,6 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
stats.freq = priv->cur_freq;
stats.band = IEEE80211_BAND_2GHZ;
stats.signal = prxpd->snr;
- stats.noise = prxpd->nf;
/* Marvell rate index has a hole at value 4 */
if (prxpd->rx_rate > 4)
--prxpd->rx_rate;
@@ -518,7 +576,15 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
}
memcpy(IEEE80211_SKB_RXCB(skb), &stats, sizeof(stats));
+
+ lbtf_deb_rx("rx data: skb->len-sizeof(RxPd) = %d-%zd = %zd\n",
+ skb->len, sizeof(struct rxpd), skb->len - sizeof(struct rxpd));
+ lbtf_deb_hex(LBTF_DEB_RX, "RX Data", skb->data,
+ min_t(unsigned int, skb->len, 100));
+
ieee80211_rx_irqsafe(priv->hw, skb);
+
+ lbtf_deb_leave(LBTF_DEB_RX);
return 0;
}
EXPORT_SYMBOL_GPL(lbtf_rx);
@@ -535,6 +601,8 @@ struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev)
struct ieee80211_hw *hw;
struct lbtf_private *priv = NULL;
+ lbtf_deb_enter(LBTF_DEB_MAIN);
+
hw = ieee80211_alloc_hw(sizeof(struct lbtf_private), &lbtf_ops);
if (!hw)
goto done;
@@ -577,6 +645,7 @@ err_init_adapter:
priv = NULL;
done:
+ lbtf_deb_leave_args(LBTF_DEB_MAIN, "priv %p", priv);
return priv;
}
EXPORT_SYMBOL_GPL(lbtf_add_card);
@@ -586,6 +655,8 @@ int lbtf_remove_card(struct lbtf_private *priv)
{
struct ieee80211_hw *hw = priv->hw;
+ lbtf_deb_enter(LBTF_DEB_MAIN);
+
priv->surpriseremoved = 1;
del_timer(&priv->command_timer);
lbtf_free_adapter(priv);
@@ -593,6 +664,7 @@ int lbtf_remove_card(struct lbtf_private *priv)
ieee80211_unregister_hw(hw);
ieee80211_free_hw(hw);
+ lbtf_deb_leave(LBTF_DEB_MAIN);
return 0;
}
EXPORT_SYMBOL_GPL(lbtf_remove_card);
@@ -651,17 +723,21 @@ EXPORT_SYMBOL_GPL(lbtf_bcn_sent);
static int __init lbtf_init_module(void)
{
+ lbtf_deb_enter(LBTF_DEB_MAIN);
lbtf_wq = create_workqueue("libertastf");
if (lbtf_wq == NULL) {
printk(KERN_ERR "libertastf: couldn't create workqueue\n");
return -ENOMEM;
}
+ lbtf_deb_leave(LBTF_DEB_MAIN);
return 0;
}
static void __exit lbtf_exit_module(void)
{
+ lbtf_deb_enter(LBTF_DEB_MAIN);
destroy_workqueue(lbtf_wq);
+ lbtf_deb_leave(LBTF_DEB_MAIN);
}
module_init(lbtf_init_module);