Thanks to the introduction of "changed" flags, we no longer
have to do the bookkeeping of p54's firmware state for everything.
Thus we can cut down redundancy code.
Signed-off-by: Christian Lamparter <[email protected]>
---
diff -Nurp a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
--- a/drivers/net/wireless/p54/p54common.c 2008-11-29 21:34:12.000000000 +0100
+++ b/drivers/net/wireless/p54/p54common.c 2008-11-29 21:34:26.000000000 +0100
@@ -1335,11 +1335,12 @@ static int p54_tx(struct ieee80211_hw *d
return NETDEV_TX_BUSY;
}
-static int p54_setup_mac(struct ieee80211_hw *dev, u16 mode, const u8 *bssid)
+static int p54_setup_mac(struct ieee80211_hw *dev)
{
struct p54_common *priv = dev->priv;
struct sk_buff *skb;
struct p54_setup_mac *setup;
+ u16 mode;
skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*setup) +
sizeof(struct p54_hdr), P54_CONTROL_TYPE_SETUP,
@@ -1348,14 +1349,31 @@ static int p54_setup_mac(struct ieee8021
return -ENOMEM;
setup = (struct p54_setup_mac *) skb_put(skb, sizeof(*setup));
- priv->mac_mode = mode;
+ if (dev->conf.radio_enabled) {
+ switch (priv->mode) {
+ case NL80211_IFTYPE_STATION:
+ mode = P54_FILTER_TYPE_STATION;
+ break;
+ case NL80211_IFTYPE_AP:
+ mode = P54_FILTER_TYPE_AP;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
+ mode = P54_FILTER_TYPE_IBSS;
+ break;
+ default:
+ mode = P54_FILTER_TYPE_NONE;
+ break;
+ }
+ if (priv->filter_flags & FIF_PROMISC_IN_BSS)
+ mode |= P54_FILTER_TYPE_TRANSPARENT;
+ } else
+ mode = P54_FILTER_TYPE_RX_DISABLED;
+
setup->mac_mode = cpu_to_le16(mode);
memcpy(setup->mac_addr, priv->mac_addr, ETH_ALEN);
- if (!bssid)
- memset(setup->bssid, ~0, ETH_ALEN);
- else
- memcpy(setup->bssid, bssid, ETH_ALEN);
- setup->rx_antenna = priv->rx_antenna;
+ memcpy(setup->bssid, priv->bssid, ETH_ALEN);
+ setup->rx_antenna = 2; /* automatic */
setup->rx_align = 0;
if (priv->fw_var < 0x500) {
setup->v1.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask);
@@ -1384,7 +1402,8 @@ static int p54_setup_mac(struct ieee8021
return 0;
}
-static int p54_set_freq(struct ieee80211_hw *dev, u16 frequency)
+static int p54_scan(struct ieee80211_hw *dev, u16 mode, u16 dwell,
+ u16 frequency)
{
struct p54_common *priv = dev->priv;
struct sk_buff *skb;
@@ -1401,8 +1420,8 @@ static int p54_set_freq(struct ieee80211
chan = (struct p54_scan *) skb_put(skb, sizeof(*chan));
memset(chan->padding1, 0, sizeof(chan->padding1));
- chan->mode = cpu_to_le16(P54_SCAN_EXIT);
- chan->dwell = cpu_to_le16(0x0);
+ chan->mode = cpu_to_le16(mode);
+ chan->dwell = cpu_to_le16(dwell);
for (i = 0; i < priv->iq_autocal_len; i++) {
if (priv->iq_autocal[i].freq != freq)
@@ -1645,10 +1664,14 @@ static int p54_start(struct ieee80211_hw
err = p54_init_stats(dev);
if (err)
goto out;
- err = p54_setup_mac(dev, P54_FILTER_TYPE_NONE, NULL);
- if (err)
- goto out;
+
+ memset(priv->bssid, ~0, ETH_ALEN);
priv->mode = NL80211_IFTYPE_MONITOR;
+ err = p54_setup_mac(dev);
+ if (err) {
+ priv->mode = NL80211_IFTYPE_UNSPECIFIED;
+ goto out;
+ }
out:
mutex_unlock(&priv->conf_mutex);
@@ -1701,27 +1724,8 @@ static int p54_add_interface(struct ieee
}
memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
-
- p54_setup_mac(dev, P54_FILTER_TYPE_NONE, NULL);
-
- switch (conf->type) {
- case NL80211_IFTYPE_STATION:
- p54_setup_mac(dev, P54_FILTER_TYPE_STATION, NULL);
- break;
- case NL80211_IFTYPE_AP:
- p54_setup_mac(dev, P54_FILTER_TYPE_AP, priv->mac_addr);
- break;
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_MESH_POINT:
- p54_setup_mac(dev, P54_FILTER_TYPE_IBSS, NULL);
- break;
- default:
- BUG(); /* impossible */
- break;
- }
-
+ p54_setup_mac(dev);
p54_set_leds(dev, 1, 0, 0);
-
mutex_unlock(&priv->conf_mutex);
return 0;
}
@@ -1734,9 +1738,10 @@ static void p54_remove_interface(struct
mutex_lock(&priv->conf_mutex);
if (priv->cached_beacon)
p54_tx_cancel(dev, priv->cached_beacon);
- p54_setup_mac(dev, P54_FILTER_TYPE_NONE, NULL);
priv->mode = NL80211_IFTYPE_MONITOR;
memset(priv->mac_addr, 0, ETH_ALEN);
+ memset(priv->bssid, 0, ETH_ALEN);
+ p54_setup_mac(dev);
mutex_unlock(&priv->conf_mutex);
}
@@ -1747,11 +1752,21 @@ static int p54_config(struct ieee80211_h
struct ieee80211_conf *conf = &dev->conf;
mutex_lock(&priv->conf_mutex);
- priv->rx_antenna = 2; /* automatic */
- priv->output_power = conf->power_level << 2;
- ret = p54_set_freq(dev, conf->channel->center_freq);
- if (!ret)
- ret = p54_set_edcf(dev);
+ if (changed & IEEE80211_CONF_CHANGE_POWER)
+ priv->output_power = conf->power_level << 2;
+ if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) {
+ ret = p54_setup_mac(dev);
+ if (ret)
+ goto out;
+ }
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ ret = p54_scan(dev, P54_SCAN_EXIT, 0,
+ conf->channel->center_freq);
+ if (ret)
+ goto out;
+ }
+
+out:
mutex_unlock(&priv->conf_mutex);
return ret;
}
@@ -1764,36 +1779,31 @@ static int p54_config_interface(struct i
int ret = 0;
mutex_lock(&priv->conf_mutex);
- switch (priv->mode) {
- case NL80211_IFTYPE_STATION:
- ret = p54_setup_mac(dev, P54_FILTER_TYPE_STATION, conf->bssid);
+ if (conf->changed & IEEE80211_IFCC_BSSID) {
+ memcpy(priv->bssid, conf->bssid, ETH_ALEN);
+ ret = p54_setup_mac(dev);
if (ret)
goto out;
- ret = p54_set_leds(dev, 1,
- !is_multicast_ether_addr(conf->bssid), 0);
+ }
+
+ if (conf->changed & IEEE80211_IFCC_BEACON) {
+ ret = p54_scan(dev, P54_SCAN_EXIT, 0,
+ dev->conf.channel->center_freq);
if (ret)
goto out;
- memcpy(priv->bssid, conf->bssid, ETH_ALEN);
- break;
- case NL80211_IFTYPE_AP:
- case NL80211_IFTYPE_ADHOC:
- case NL80211_IFTYPE_MESH_POINT:
- memcpy(priv->bssid, conf->bssid, ETH_ALEN);
- ret = p54_set_freq(dev, dev->conf.channel->center_freq);
+ ret = p54_setup_mac(dev);
if (ret)
goto out;
- ret = p54_setup_mac(dev, priv->mac_mode, priv->bssid);
+ ret = p54_beacon_update(dev, vif);
+ if (ret)
+ goto out;
+ ret = p54_set_edcf(dev);
if (ret)
goto out;
- if (conf->changed & IEEE80211_IFCC_BEACON) {
- ret = p54_beacon_update(dev, vif);
- if (ret)
- goto out;
- ret = p54_set_edcf(dev);
- if (ret)
- goto out;
- }
}
+
+ ret = p54_set_leds(dev, 1, !is_multicast_ether_addr(priv->bssid), 0);
+
out:
mutex_unlock(&priv->conf_mutex);
return ret;
@@ -1806,25 +1816,14 @@ static void p54_configure_filter(struct
{
struct p54_common *priv = dev->priv;
- *total_flags &= FIF_BCN_PRBRESP_PROMISC |
- FIF_PROMISC_IN_BSS |
- FIF_FCSFAIL;
+ *total_flags &= FIF_PROMISC_IN_BSS |
+ (*total_flags & FIF_PROMISC_IN_BSS) ?
+ FIF_FCSFAIL : 0;
priv->filter_flags = *total_flags;
- if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
- if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
- p54_setup_mac(dev, priv->mac_mode, NULL);
- else
- p54_setup_mac(dev, priv->mac_mode, priv->bssid);
- }
-
- if (changed_flags & FIF_PROMISC_IN_BSS) {
- if (*total_flags & FIF_PROMISC_IN_BSS)
- p54_setup_mac(dev, priv->mac_mode | 0x8, NULL);
- else
- p54_setup_mac(dev, priv->mac_mode & ~0x8, priv->bssid);
- }
+ if (changed_flags & FIF_PROMISC_IN_BSS)
+ p54_setup_mac(dev);
}
static int p54_conf_tx(struct ieee80211_hw *dev, u16 queue,
@@ -1921,16 +1920,17 @@ static void p54_bss_info_changed(struct
priv->basic_rate_mask = (info->basic_rates << 4);
else
priv->basic_rate_mask = info->basic_rates;
- p54_setup_mac(dev, priv->mac_mode, priv->bssid);
+ p54_setup_mac(dev);
if (priv->fw_var >= 0x500)
- p54_set_freq(dev, dev->conf.channel->center_freq);
+ p54_scan(dev, P54_SCAN_EXIT, 0,
+ dev->conf.channel->center_freq);
}
if (changed & BSS_CHANGED_ASSOC) {
if (info->assoc) {
priv->aid = info->aid;
priv->wakeup_timer = info->beacon_int *
info->dtim_period * 5;
- p54_setup_mac(dev, priv->mac_mode, priv->bssid);
+ p54_setup_mac(dev);
}
}
diff -Nurp a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h
--- a/drivers/net/wireless/p54/p54.h 2008-11-26 14:45:57.000000000 +0100
+++ b/drivers/net/wireless/p54/p54.h 2008-11-26 21:32:21.000000000 +0100
@@ -85,7 +85,6 @@ struct p54_common {
struct mutex conf_mutex;
u8 mac_addr[ETH_ALEN];
u8 bssid[ETH_ALEN];
- u16 mac_mode;
struct pda_iq_autocal_entry *iq_autocal;
unsigned int iq_autocal_len;
struct pda_channel_output_limit *output_limit;
@@ -95,7 +94,6 @@ struct p54_common {
bool use_short_slot;
u16 rxhw;
u8 version;
- u8 rx_antenna;
unsigned int tx_hdr_len;
unsigned int fw_var;
unsigned int fw_interface;