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authorDavid Kilroy <kilroyd@googlemail.com>2009-02-04 23:05:53 +0000
committerJohn W. Linville <linville@tuxdriver.com>2009-02-13 13:44:27 -0500
commitcfeb1db6db80435ccf1f9b18ea71bb233f7db20c (patch)
tree2ee2486019315dcf770310345d89517f1d0d45f2 /drivers/net/wireless/orinoco
parent37a2e566f82de9a88fe119479162f9984af2180d (diff)
orinoco: Use accessor functions for bitrate tables
... when used by the WEXT ioctl functions. This will allow us to separate the card specific stuff from the WEXT code. Signed-off-by: David Kilroy <kilroyd@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/orinoco')
-rw-r--r--drivers/net/wireless/orinoco/main.c140
1 files changed, 81 insertions, 59 deletions
diff --git a/drivers/net/wireless/orinoco/main.c b/drivers/net/wireless/orinoco/main.c
index f49cabd7087..c5aad88e54d 100644
--- a/drivers/net/wireless/orinoco/main.c
+++ b/drivers/net/wireless/orinoco/main.c
@@ -282,6 +282,33 @@ static inline void set_port_type(struct orinoco_private *priv)
}
}
+static int orinoco_get_bitratemode(int bitrate, int automatic)
+{
+ int ratemode = -1;
+ int i;
+
+ if ((bitrate != 10) && (bitrate != 20) &&
+ (bitrate != 55) && (bitrate != 110))
+ return ratemode;
+
+ for (i = 0; i < BITRATE_TABLE_SIZE; i++) {
+ if ((bitrate_table[i].bitrate == bitrate) &&
+ (bitrate_table[i].automatic == automatic)) {
+ ratemode = i;
+ break;
+ }
+ }
+ return ratemode;
+}
+
+static void orinoco_get_ratemode_cfg(int ratemode, int *bitrate, int *automatic)
+{
+ BUG_ON((ratemode < 0) || (ratemode >= BITRATE_TABLE_SIZE));
+
+ *bitrate = bitrate_table[ratemode].bitrate * 100000;
+ *automatic = bitrate_table[ratemode].automatic;
+}
+
static inline u8 *orinoco_get_ie(u8 *data, size_t len,
enum ieee80211_eid eid)
{
@@ -1794,6 +1821,50 @@ static int __orinoco_hw_set_bitrate(struct orinoco_private *priv)
return err;
}
+static int orinoco_hw_get_act_bitrate(struct orinoco_private *priv,
+ int *bitrate)
+{
+ hermes_t *hw = &priv->hw;
+ int i;
+ int err = 0;
+ u16 val;
+
+ err = hermes_read_wordrec(hw, USER_BAP,
+ HERMES_RID_CURRENTTXRATE, &val);
+ if (err)
+ return err;
+
+ switch (priv->firmware_type) {
+ case FIRMWARE_TYPE_AGERE: /* Lucent style rate */
+ /* Note : in Lucent firmware, the return value of
+ * HERMES_RID_CURRENTTXRATE is the bitrate in Mb/s,
+ * and therefore is totally different from the
+ * encoding of HERMES_RID_CNFTXRATECONTROL.
+ * Don't forget that 6Mb/s is really 5.5Mb/s */
+ if (val == 6)
+ *bitrate = 5500000;
+ else
+ *bitrate = val * 1000000;
+ break;
+ case FIRMWARE_TYPE_INTERSIL: /* Intersil style rate */
+ case FIRMWARE_TYPE_SYMBOL: /* Symbol style rate */
+ for (i = 0; i < BITRATE_TABLE_SIZE; i++)
+ if (bitrate_table[i].intersil_txratectrl == val)
+ break;
+
+ if (i >= BITRATE_TABLE_SIZE)
+ printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n",
+ priv->ndev->name, val);
+
+ *bitrate = bitrate_table[i].bitrate * 100000;
+ break;
+ default:
+ BUG();
+ }
+
+ return err;
+}
+
/* Set fixed AP address */
static int __orinoco_hw_set_wap(struct orinoco_private *priv)
{
@@ -3975,9 +4046,8 @@ static int orinoco_ioctl_setrate(struct net_device *dev,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
- int ratemode = -1;
+ int ratemode;
int bitrate; /* 100s of kilobits */
- int i;
unsigned long flags;
/* As the user space doesn't know our highest rate, it uses -1
@@ -3991,16 +4061,7 @@ static int orinoco_ioctl_setrate(struct net_device *dev,
bitrate = rrq->value / 100000;
}
- if ((bitrate != 10) && (bitrate != 20) &&
- (bitrate != 55) && (bitrate != 110))
- return -EINVAL;
-
- for (i = 0; i < BITRATE_TABLE_SIZE; i++)
- if ((bitrate_table[i].bitrate == bitrate) &&
- (bitrate_table[i].automatic == !rrq->fixed)) {
- ratemode = i;
- break;
- }
+ ratemode = orinoco_get_bitratemode(bitrate, !rrq->fixed);
if (ratemode == -1)
return -EINVAL;
@@ -4019,65 +4080,26 @@ static int orinoco_ioctl_getrate(struct net_device *dev,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
- hermes_t *hw = &priv->hw;
int err = 0;
- int ratemode;
- int i;
- u16 val;
+ int bitrate, automatic;
unsigned long flags;
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;
- ratemode = priv->bitratemode;
-
- BUG_ON((ratemode < 0) || (ratemode >= BITRATE_TABLE_SIZE));
-
- rrq->value = bitrate_table[ratemode].bitrate * 100000;
- rrq->fixed = !bitrate_table[ratemode].automatic;
- rrq->disabled = 0;
+ orinoco_get_ratemode_cfg(priv->bitratemode, &bitrate, &automatic);
/* If the interface is running we try to find more about the
current mode */
- if (netif_running(dev)) {
- err = hermes_read_wordrec(hw, USER_BAP,
- HERMES_RID_CURRENTTXRATE, &val);
- if (err)
- goto out;
+ if (netif_running(dev))
+ err = orinoco_hw_get_act_bitrate(priv, &bitrate);
- switch (priv->firmware_type) {
- case FIRMWARE_TYPE_AGERE: /* Lucent style rate */
- /* Note : in Lucent firmware, the return value of
- * HERMES_RID_CURRENTTXRATE is the bitrate in Mb/s,
- * and therefore is totally different from the
- * encoding of HERMES_RID_CNFTXRATECONTROL.
- * Don't forget that 6Mb/s is really 5.5Mb/s */
- if (val == 6)
- rrq->value = 5500000;
- else
- rrq->value = val * 1000000;
- break;
- case FIRMWARE_TYPE_INTERSIL: /* Intersil style rate */
- case FIRMWARE_TYPE_SYMBOL: /* Symbol style rate */
- for (i = 0; i < BITRATE_TABLE_SIZE; i++)
- if (bitrate_table[i].intersil_txratectrl == val) {
- ratemode = i;
- break;
- }
- if (i >= BITRATE_TABLE_SIZE)
- printk(KERN_INFO "%s: Unable to determine current bitrate (0x%04hx)\n",
- dev->name, val);
-
- rrq->value = bitrate_table[ratemode].bitrate * 100000;
- break;
- default:
- BUG();
- }
- }
-
- out:
orinoco_unlock(priv, &flags);
+ rrq->value = bitrate;
+ rrq->fixed = !automatic;
+ rrq->disabled = 0;
+
return err;
}