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authorDavid S. Miller <davem@davemloft.net>2011-03-04 12:48:25 -0800
committerDavid S. Miller <davem@davemloft.net>2011-03-04 12:48:25 -0800
commitd72751ede1b9bf993d7bd3377305c8e9e36a3cc4 (patch)
tree27abaa49de7ff666dbf6bbcb0d7bae2b9f029a2d /drivers/net/wireless/p54
parent0a0e9ae1bd788bc19adc4d4ae08c98b233697402 (diff)
parent85a7045a90052749885e166f40af5e9140032287 (diff)
Merge branch 'for-davem' of ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'drivers/net/wireless/p54')
-rw-r--r--drivers/net/wireless/p54/eeprom.c7
-rw-r--r--drivers/net/wireless/p54/fwio.c9
-rw-r--r--drivers/net/wireless/p54/lmac.h2
-rw-r--r--drivers/net/wireless/p54/main.c14
-rw-r--r--drivers/net/wireless/p54/p54.h1
-rw-r--r--drivers/net/wireless/p54/txrx.c13
6 files changed, 32 insertions, 14 deletions
diff --git a/drivers/net/wireless/p54/eeprom.c b/drivers/net/wireless/p54/eeprom.c
index f54e15fcd623..13d750da9301 100644
--- a/drivers/net/wireless/p54/eeprom.c
+++ b/drivers/net/wireless/p54/eeprom.c
@@ -524,10 +524,13 @@ err_data:
struct p54_rssi_db_entry *p54_rssi_find(struct p54_common *priv, const u16 freq)
{
- struct p54_rssi_db_entry *entry = (void *)(priv->rssi_db->data +
- priv->rssi_db->offset);
+ struct p54_rssi_db_entry *entry;
int i, found = -1;
+ if (!priv->rssi_db)
+ return &p54_rssi_default;
+
+ entry = (void *)(priv->rssi_db->data + priv->rssi_db->offset);
for (i = 0; i < priv->rssi_db->entries; i++) {
if (!same_band(freq, entry[i].freq))
continue;
diff --git a/drivers/net/wireless/p54/fwio.c b/drivers/net/wireless/p54/fwio.c
index 0d3d108f6fe2..2fab7d20ffc2 100644
--- a/drivers/net/wireless/p54/fwio.c
+++ b/drivers/net/wireless/p54/fwio.c
@@ -559,6 +559,7 @@ int p54_set_edcf(struct p54_common *priv)
{
struct sk_buff *skb;
struct p54_edcf *edcf;
+ u8 rtd;
skb = p54_alloc_skb(priv, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*edcf),
P54_CONTROL_TYPE_DCFINIT, GFP_ATOMIC);
@@ -575,9 +576,15 @@ int p54_set_edcf(struct p54_common *priv)
edcf->sifs = 0x0a;
edcf->eofpad = 0x06;
}
+ /*
+ * calculate the extra round trip delay according to the
+ * formula from 802.11-2007 17.3.8.6.
+ */
+ rtd = 3 * priv->coverage_class;
+ edcf->slottime += rtd;
+ edcf->round_trip_delay = cpu_to_le16(rtd);
/* (see prism54/isl_oid.h for further details) */
edcf->frameburst = cpu_to_le16(0);
- edcf->round_trip_delay = cpu_to_le16(0);
edcf->flags = 0;
memset(edcf->mapping, 0, sizeof(edcf->mapping));
memcpy(edcf->queue, priv->qos_params, sizeof(edcf->queue));
diff --git a/drivers/net/wireless/p54/lmac.h b/drivers/net/wireless/p54/lmac.h
index 5ca117e6f95b..eb581abc1079 100644
--- a/drivers/net/wireless/p54/lmac.h
+++ b/drivers/net/wireless/p54/lmac.h
@@ -526,7 +526,7 @@ int p54_init_leds(struct p54_common *priv);
void p54_unregister_leds(struct p54_common *priv);
/* xmit functions */
-int p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb);
+void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb);
int p54_tx_cancel(struct p54_common *priv, __le32 req_id);
void p54_tx(struct p54_common *priv, struct sk_buff *skb);
diff --git a/drivers/net/wireless/p54/main.c b/drivers/net/wireless/p54/main.c
index e14a05bbc485..356e6bb443a6 100644
--- a/drivers/net/wireless/p54/main.c
+++ b/drivers/net/wireless/p54/main.c
@@ -157,7 +157,7 @@ static int p54_beacon_update(struct p54_common *priv,
* to cancel the old beacon template by hand, instead the firmware
* will release the previous one through the feedback mechanism.
*/
- WARN_ON(p54_tx_80211(priv->hw, beacon));
+ p54_tx_80211(priv->hw, beacon);
priv->tsf_high32 = 0;
priv->tsf_low32 = 0;
@@ -566,6 +566,17 @@ static void p54_flush(struct ieee80211_hw *dev, bool drop)
WARN(total, "tx flush timeout, unresponsive firmware");
}
+static void p54_set_coverage_class(struct ieee80211_hw *dev, u8 coverage_class)
+{
+ struct p54_common *priv = dev->priv;
+
+ mutex_lock(&priv->conf_mutex);
+ /* support all coverage class values as in 802.11-2007 Table 7-27 */
+ priv->coverage_class = clamp_t(u8, coverage_class, 0, 31);
+ p54_set_edcf(priv);
+ mutex_unlock(&priv->conf_mutex);
+}
+
static const struct ieee80211_ops p54_ops = {
.tx = p54_tx_80211,
.start = p54_start,
@@ -584,6 +595,7 @@ static const struct ieee80211_ops p54_ops = {
.conf_tx = p54_conf_tx,
.get_stats = p54_get_stats,
.get_survey = p54_get_survey,
+ .set_coverage_class = p54_set_coverage_class,
};
struct ieee80211_hw *p54_init_common(size_t priv_data_len)
diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h
index f951c8f31863..50730fc23fe5 100644
--- a/drivers/net/wireless/p54/p54.h
+++ b/drivers/net/wireless/p54/p54.h
@@ -217,6 +217,7 @@ struct p54_common {
u32 tsf_low32, tsf_high32;
u32 basic_rate_mask;
u16 aid;
+ u8 coverage_class;
bool powersave_override;
__le32 beacon_req_id;
struct completion beacon_comp;
diff --git a/drivers/net/wireless/p54/txrx.c b/drivers/net/wireless/p54/txrx.c
index 917d5d948e3c..7834c26c2954 100644
--- a/drivers/net/wireless/p54/txrx.c
+++ b/drivers/net/wireless/p54/txrx.c
@@ -367,7 +367,7 @@ static int p54_rx_data(struct p54_common *priv, struct sk_buff *skb)
rx_status->mactime = ((u64)priv->tsf_high32) << 32 | tsf32;
priv->tsf_low32 = tsf32;
- rx_status->flag |= RX_FLAG_TSFT;
+ rx_status->flag |= RX_FLAG_MACTIME_MPDU;
if (hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_ALIGN))
header_len += hdr->align[0];
@@ -696,7 +696,7 @@ static u8 p54_convert_algo(u32 cipher)
}
}
-int p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
+void p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct p54_common *priv = dev->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -717,12 +717,8 @@ int p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
&hdr_flags, &aid, &burst_allowed);
if (p54_tx_qos_accounting_alloc(priv, skb, queue)) {
- if (!IS_QOS_QUEUE(queue)) {
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- } else {
- return NETDEV_TX_BUSY;
- }
+ dev_kfree_skb_any(skb);
+ return;
}
padding = (unsigned long)(skb->data - (sizeof(*hdr) + sizeof(*txhdr))) & 3;
@@ -865,5 +861,4 @@ int p54_tx_80211(struct ieee80211_hw *dev, struct sk_buff *skb)
p54info->extra_len = extra_len;
p54_tx(priv, skb);
- return NETDEV_TX_OK;
}