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authorChristian Lamparter <chunkeey@web.de>2008-12-21 20:54:34 +0100
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 21:58:43 +0100
commita15bd00543a859a72546e4b09342b70e79e9ef1e (patch)
tree36c908af74b8584e2cdd9691604a026a71e63ab6
parentath5k: Update EEPROM code (diff)
downloadlinux-a15bd00543a859a72546e4b09342b70e79e9ef1e.tar.xz
linux-a15bd00543a859a72546e4b09342b70e79e9ef1e.zip
p54: label queues with their corresponding names
This patch introduce new shiny named labels for our 8 (4 - on old firmware) queues. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/p54/p54common.c50
-rw-r--r--drivers/net/wireless/p54/p54common.h19
2 files changed, 41 insertions, 28 deletions
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 34561e6e816b..3298cb464f72 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -239,11 +239,11 @@ int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
if (priv->fw_var >= 0x300) {
/* Firmware supports QoS, use it! */
- priv->tx_stats[4].limit = 3; /* AC_VO */
- priv->tx_stats[5].limit = 4; /* AC_VI */
- priv->tx_stats[6].limit = 3; /* AC_BE */
- priv->tx_stats[7].limit = 2; /* AC_BK */
- dev->queues = 4;
+ priv->tx_stats[P54_QUEUE_AC_VO].limit = 3;
+ priv->tx_stats[P54_QUEUE_AC_VI].limit = 4;
+ priv->tx_stats[P54_QUEUE_AC_BE].limit = 3;
+ priv->tx_stats[P54_QUEUE_AC_BK].limit = 2;
+ dev->queues = P54_QUEUE_AC_NUM;
}
if (!modparam_nohwcrypt)
@@ -655,7 +655,8 @@ static void inline p54_wake_free_queues(struct ieee80211_hw *dev)
return ;
for (i = 0; i < dev->queues; i++)
- if (priv->tx_stats[i + 4].len < priv->tx_stats[i + 4].limit)
+ if (priv->tx_stats[i + P54_QUEUE_DATA].len <
+ priv->tx_stats[i + P54_QUEUE_DATA].limit)
ieee80211_wake_queue(dev, i);
}
@@ -1244,22 +1245,22 @@ static int p54_tx_fill(struct ieee80211_hw *dev, struct sk_buff *skb,
if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) {
if (ieee80211_is_beacon(hdr->frame_control)) {
*aid = 0;
- *queue = 0;
+ *queue = P54_QUEUE_BEACON;
*extra_len = IEEE80211_MAX_TIM_LEN;
*flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP;
return 0;
} else if (ieee80211_is_probe_resp(hdr->frame_control)) {
*aid = 0;
- *queue = 2;
+ *queue = P54_QUEUE_MGMT;
*flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP |
P54_HDR_FLAG_DATA_OUT_NOCANCEL;
return 0;
} else {
- *queue = 2;
+ *queue = P54_QUEUE_MGMT;
ret = 0;
}
} else {
- *queue += 4;
+ *queue += P54_QUEUE_DATA;
ret = 1;
}
@@ -1272,7 +1273,7 @@ static int p54_tx_fill(struct ieee80211_hw *dev, struct sk_buff *skb,
case NL80211_IFTYPE_MESH_POINT:
if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
*aid = 0;
- *queue = 3;
+ *queue = P54_QUEUE_CAB;
return 0;
}
if (info->control.sta)
@@ -1300,7 +1301,7 @@ static u8 p54_convert_algo(enum ieee80211_key_alg alg)
static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_queue_stats *current_queue = NULL;
+ struct ieee80211_tx_queue_stats *current_queue;
struct p54_common *priv = dev->priv;
struct p54_hdr *hdr;
struct p54_tx_data *txhdr;
@@ -1443,10 +1444,7 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
}
txhdr->crypt_offset = crypt_offset;
txhdr->hw_queue = queue;
- if (current_queue)
- txhdr->backlog = current_queue->len;
- else
- txhdr->backlog = 0;
+ txhdr->backlog = current_queue->len;
memset(txhdr->durations, 0, sizeof(txhdr->durations));
txhdr->tx_antenna = (info->antenna_sel_tx == 0) ?
2 : info->antenna_sel_tx - 1;
@@ -1468,10 +1466,8 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
err:
skb_pull(skb, sizeof(*hdr) + sizeof(*txhdr) + padding);
- if (current_queue) {
- current_queue->len--;
- current_queue->count--;
- }
+ current_queue->len--;
+ current_queue->count--;
return NETDEV_TX_BUSY;
}
@@ -2019,8 +2015,8 @@ static int p54_get_tx_stats(struct ieee80211_hw *dev,
{
struct p54_common *priv = dev->priv;
- memcpy(stats, &priv->tx_stats[4], sizeof(stats[0]) * dev->queues);
-
+ memcpy(stats, &priv->tx_stats[P54_QUEUE_DATA],
+ sizeof(stats[0]) * dev->queues);
return 0;
}
@@ -2181,11 +2177,11 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
BIT(NL80211_IFTYPE_MESH_POINT);
dev->channel_change_time = 1000; /* TODO: find actual value */
- priv->tx_stats[0].limit = 1; /* Beacon queue */
- priv->tx_stats[1].limit = 1; /* Probe queue for HW scan */
- priv->tx_stats[2].limit = 3; /* queue for MLMEs */
- priv->tx_stats[3].limit = 3; /* Broadcast / MC queue */
- priv->tx_stats[4].limit = 5; /* Data */
+ priv->tx_stats[P54_QUEUE_BEACON].limit = 1;
+ priv->tx_stats[P54_QUEUE_FWSCAN].limit = 1;
+ priv->tx_stats[P54_QUEUE_MGMT].limit = 3;
+ priv->tx_stats[P54_QUEUE_CAB].limit = 3;
+ priv->tx_stats[P54_QUEUE_DATA].limit = 5;
dev->queues = 1;
priv->noise = -94;
/*
diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h
index f5729de83fe1..514f660d0be9 100644
--- a/drivers/net/wireless/p54/p54common.h
+++ b/drivers/net/wireless/p54/p54common.h
@@ -329,7 +329,7 @@ struct p54_frame_sent {
u8 padding;
} __attribute__ ((packed));
-enum p54_tx_data_crypt {
+enum p54_tx_data_crypt {
P54_CRYPTO_NONE = 0,
P54_CRYPTO_WEP,
P54_CRYPTO_TKIP,
@@ -340,6 +340,23 @@ enum p54_tx_data_crypt {
P54_CRYPTO_AESCCMP
};
+enum p54_tx_data_queue {
+ P54_QUEUE_BEACON = 0,
+ P54_QUEUE_FWSCAN = 1,
+ P54_QUEUE_MGMT = 2,
+ P54_QUEUE_CAB = 3,
+ P54_QUEUE_DATA = 4,
+
+ P54_QUEUE_AC_NUM = 4,
+ P54_QUEUE_AC_VO = 4,
+ P54_QUEUE_AC_VI = 5,
+ P54_QUEUE_AC_BE = 6,
+ P54_QUEUE_AC_BK = 7,
+
+ /* keep last */
+ P54_QUEUE_NUM = 8,
+};
+
struct p54_tx_data {
u8 rateset[8];
u8 rts_rate_idx;