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-rw-r--r--drivers/net/wireless/rt2x00/rt2x00config.c4
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c173
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00lib.h45
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00reg.h71
4 files changed, 153 insertions, 140 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index 9fba485a40a..a4d7917f2df 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -246,9 +246,7 @@ config:
band = &rt2x00dev->bands[conf->channel->band];
rate = &band->bitrates[band->n_bitrates - 1];
-
- libconf.basic_rates =
- DEVICE_GET_RATE_FIELD(rate->hw_value, RATEMASK) & DEV_BASIC_RATEMASK;
+ libconf.basic_rates = rt2x00_get_rate(rate->hw_value)->ratemask;
}
if (flags & CONFIG_UPDATE_CHANNEL) {
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 83a72ae3663..f0ba481c51e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -551,10 +551,10 @@ void rt2x00lib_rxdone(struct queue_entry *entry,
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
struct ieee80211_rx_status *rx_status = &rt2x00dev->rx_status;
struct ieee80211_supported_band *sband;
- struct ieee80211_rate *rate;
struct ieee80211_hdr *hdr;
+ const struct rt2x00_rate *rate;
unsigned int i;
- int val = 0, idx = -1;
+ int idx = -1;
u16 fc;
/*
@@ -562,19 +562,15 @@ void rt2x00lib_rxdone(struct queue_entry *entry,
*/
sband = &rt2x00dev->bands[rt2x00dev->curr_band];
for (i = 0; i < sband->n_bitrates; i++) {
- rate = &sband->bitrates[i];
+ rate = rt2x00_get_rate(sband->bitrates[i].hw_value);
/*
* When frame was received with an OFDM bitrate,
* the signal is the PLCP value. If it was received with
- * a CCK bitrate the signal is the rate in 0.5kbit/s.
+ * a CCK bitrate the signal is the rate in 100kbit/s.
*/
- if (!rxdesc->ofdm)
- val = DEVICE_GET_RATE_FIELD(rate->hw_value, RATE);
- else
- val = DEVICE_GET_RATE_FIELD(rate->hw_value, PLCP);
-
- if (val == rxdesc->signal) {
+ if ((rxdesc->ofdm && rate->plcp == rxdesc->signal) ||
+ (!rxdesc->ofdm && rate->bitrate == rxdesc->signal)) {
idx = i;
break;
}
@@ -583,7 +579,7 @@ void rt2x00lib_rxdone(struct queue_entry *entry,
/*
* Only update link status if this is a beacon frame carrying our bssid.
*/
- hdr = (struct ieee80211_hdr*)entry->skb->data;
+ hdr = (struct ieee80211_hdr *)entry->skb->data;
fc = le16_to_cpu(hdr->frame_control);
if (is_beacon(fc) && rxdesc->my_bss)
rt2x00lib_update_link_stats(&rt2x00dev->link, rxdesc->rssi);
@@ -617,9 +613,9 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
{
struct txentry_desc txdesc;
struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
- struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ const struct rt2x00_rate *rate;
int tx_rate;
- int bitrate;
int length;
int duration;
int residual;
@@ -636,8 +632,8 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
/*
* Read required fields from ieee80211 header.
*/
- frame_control = le16_to_cpu(ieee80211hdr->frame_control);
- seq_ctrl = le16_to_cpu(ieee80211hdr->seq_ctrl);
+ frame_control = le16_to_cpu(hdr->frame_control);
+ seq_ctrl = le16_to_cpu(hdr->seq_ctrl);
tx_rate = control->tx_rate->hw_value;
@@ -661,16 +657,12 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
tx_rate = control->rts_cts_rate->hw_value;
}
- /*
- * Check for OFDM
- */
- if (DEVICE_GET_RATE_FIELD(tx_rate, RATEMASK) & DEV_OFDM_RATEMASK)
- __set_bit(ENTRY_TXD_OFDM_RATE, &txdesc.flags);
+ rate = rt2x00_get_rate(tx_rate);
/*
* Check if more fragments are pending
*/
- if (ieee80211_get_morefrag(ieee80211hdr)) {
+ if (ieee80211_get_morefrag(hdr)) {
__set_bit(ENTRY_TXD_BURST, &txdesc.flags);
__set_bit(ENTRY_TXD_MORE_FRAG, &txdesc.flags);
}
@@ -698,21 +690,21 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
* PLCP setup
* Length calculation depends on OFDM/CCK rate.
*/
- txdesc.signal = DEVICE_GET_RATE_FIELD(tx_rate, PLCP);
+ txdesc.signal = rate->plcp;
txdesc.service = 0x04;
length = skb->len + FCS_LEN;
- if (test_bit(ENTRY_TXD_OFDM_RATE, &txdesc.flags)) {
+ if (rate->flags & DEV_RATE_OFDM) {
+ __set_bit(ENTRY_TXD_OFDM_RATE, &txdesc.flags);
+
txdesc.length_high = (length >> 6) & 0x3f;
txdesc.length_low = length & 0x3f;
} else {
- bitrate = DEVICE_GET_RATE_FIELD(tx_rate, RATE);
-
/*
* Convert length to microseconds.
*/
- residual = get_duration_res(length, bitrate);
- duration = get_duration(length, bitrate);
+ residual = get_duration_res(length, rate->bitrate);
+ duration = get_duration(length, rate->bitrate);
if (residual != 0) {
duration++;
@@ -720,7 +712,7 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
/*
* Check if we need to set the Length Extension
*/
- if (bitrate == 110 && residual <= 30)
+ if (rate->bitrate == 110 && residual <= 30)
txdesc.service |= 0x80;
}
@@ -731,7 +723,7 @@ void rt2x00lib_write_tx_desc(struct rt2x00_dev *rt2x00dev,
* When preamble is enabled we should set the
* preamble bit for the signal.
*/
- if (DEVICE_GET_RATE_FIELD(tx_rate, PREAMBLE))
+ if (rt2x00_get_rate_preamble(tx_rate))
txdesc.signal |= 0x08;
}
@@ -756,6 +748,81 @@ EXPORT_SYMBOL_GPL(rt2x00lib_write_tx_desc);
/*
* Driver initialization handlers.
*/
+const struct rt2x00_rate rt2x00_supported_rates[12] = {
+ {
+ .flags = 0,
+ .bitrate = 10,
+ .ratemask = DEV_RATEMASK_1MB,
+ .plcp = 0x00,
+ },
+ {
+ .flags = DEV_RATE_SHORT_PREAMBLE,
+ .bitrate = 20,
+ .ratemask = DEV_RATEMASK_2MB,
+ .plcp = 0x01,
+ },
+ {
+ .flags = DEV_RATE_SHORT_PREAMBLE,
+ .bitrate = 55,
+ .ratemask = DEV_RATEMASK_5_5MB,
+ .plcp = 0x02,
+ },
+ {
+ .flags = DEV_RATE_SHORT_PREAMBLE,
+ .bitrate = 110,
+ .ratemask = DEV_RATEMASK_11MB,
+ .plcp = 0x03,
+ },
+ {
+ .flags = DEV_RATE_OFDM,
+ .bitrate = 60,
+ .ratemask = DEV_RATEMASK_6MB,
+ .plcp = 0x0b,
+ },
+ {
+ .flags = DEV_RATE_OFDM,
+ .bitrate = 90,
+ .ratemask = DEV_RATEMASK_9MB,
+ .plcp = 0x0f,
+ },
+ {
+ .flags = DEV_RATE_OFDM,
+ .bitrate = 120,
+ .ratemask = DEV_RATEMASK_12MB,
+ .plcp = 0x0a,
+ },
+ {
+ .flags = DEV_RATE_OFDM,
+ .bitrate = 180,
+ .ratemask = DEV_RATEMASK_18MB,
+ .plcp = 0x0e,
+ },
+ {
+ .flags = DEV_RATE_OFDM,
+ .bitrate = 240,
+ .ratemask = DEV_RATEMASK_24MB,
+ .plcp = 0x09,
+ },
+ {
+ .flags = DEV_RATE_OFDM,
+ .bitrate = 360,
+ .ratemask = DEV_RATEMASK_36MB,
+ .plcp = 0x0d,
+ },
+ {
+ .flags = DEV_RATE_OFDM,
+ .bitrate = 480,
+ .ratemask = DEV_RATEMASK_48MB,
+ .plcp = 0x08,
+ },
+ {
+ .flags = DEV_RATE_OFDM,
+ .bitrate = 540,
+ .ratemask = DEV_RATEMASK_54MB,
+ .plcp = 0x0c,
+ },
+};
+
static void rt2x00lib_channel(struct ieee80211_channel *entry,
const int channel, const int tx_power,
const int value)
@@ -770,18 +837,17 @@ static void rt2x00lib_channel(struct ieee80211_channel *entry,
}
static void rt2x00lib_rate(struct ieee80211_rate *entry,
- const int rate, const int mask,
- const int plcp, const int flags)
+ const u16 index, const struct rt2x00_rate *rate)
{
- entry->bitrate = rate;
- entry->hw_value =
- DEVICE_SET_RATE_FIELD(rate, RATE) |
- DEVICE_SET_RATE_FIELD(mask, RATEMASK) |
- DEVICE_SET_RATE_FIELD(plcp, PLCP);
- entry->flags = flags;
+ entry->flags = 0;
+ entry->bitrate = rate->bitrate;
+ entry->hw_value = rt2x00_create_rate_hw_value(index, 0);
entry->hw_value_short = entry->hw_value;
- if (entry->flags & IEEE80211_RATE_SHORT_PREAMBLE)
- entry->hw_value_short |= DEVICE_SET_RATE_FIELD(1, PREAMBLE);
+
+ if (rate->flags & DEV_RATE_SHORT_PREAMBLE) {
+ entry->flags |= IEEE80211_RATE_SHORT_PREAMBLE;
+ entry->hw_value_short |= rt2x00_create_rate_hw_value(index, 1);
+ }
}
static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
@@ -807,33 +873,8 @@ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
/*
* Initialize Rate list.
*/
- rt2x00lib_rate(&rates[0], 10, DEV_RATEMASK_1MB,
- 0x00, 0);
- rt2x00lib_rate(&rates[1], 20, DEV_RATEMASK_2MB,
- 0x01, IEEE80211_RATE_SHORT_PREAMBLE);
- rt2x00lib_rate(&rates[2], 55, DEV_RATEMASK_5_5MB,
- 0x02, IEEE80211_RATE_SHORT_PREAMBLE);
- rt2x00lib_rate(&rates[3], 110, DEV_RATEMASK_11MB,
- 0x03, IEEE80211_RATE_SHORT_PREAMBLE);
-
- if (spec->num_rates > 4) {
- rt2x00lib_rate(&rates[4], 60, DEV_RATEMASK_6MB,
- 0x0b, 0);
- rt2x00lib_rate(&rates[5], 90, DEV_RATEMASK_9MB,
- 0x0f, 0);
- rt2x00lib_rate(&rates[6], 120, DEV_RATEMASK_12MB,
- 0x0a, 0);
- rt2x00lib_rate(&rates[7], 180, DEV_RATEMASK_18MB,
- 0x0e, 0);
- rt2x00lib_rate(&rates[8], 240, DEV_RATEMASK_24MB,
- 0x09, 0);
- rt2x00lib_rate(&rates[9], 360, DEV_RATEMASK_36MB,
- 0x0d, 0);
- rt2x00lib_rate(&rates[10], 480, DEV_RATEMASK_48MB,
- 0x08, 0);
- rt2x00lib_rate(&rates[11], 540, DEV_RATEMASK_54MB,
- 0x0c, 0);
- }
+ for (i = 0; i < spec->num_rates; i++)
+ rt2x00lib_rate(&rates[0], i, rt2x00_get_rate(i));
/*
* Initialize Channel list.
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index f6789fdaaf6..ca9630c7552 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -34,6 +34,51 @@
#define RFKILL_POLL_INTERVAL ( 1000 )
/*
+ * rt2x00_rate: Per rate device information
+ */
+struct rt2x00_rate {
+ unsigned short flags;
+#define DEV_RATE_OFDM 0x0001
+#define DEV_RATE_SHORT_PREAMBLE 0x0002
+
+ unsigned short bitrate; /* In 100kbit/s */
+
+ unsigned short ratemask;
+#define DEV_RATEMASK_1MB ( (1 << 1) - 1 )
+#define DEV_RATEMASK_2MB ( (1 << 2) - 1 )
+#define DEV_RATEMASK_5_5MB ( (1 << 3) - 1 )
+#define DEV_RATEMASK_11MB ( (1 << 4) - 1 )
+#define DEV_RATEMASK_6MB ( (1 << 5) - 1 )
+#define DEV_RATEMASK_9MB ( (1 << 6) - 1 )
+#define DEV_RATEMASK_12MB ( (1 << 7) - 1 )
+#define DEV_RATEMASK_18MB ( (1 << 8) - 1 )
+#define DEV_RATEMASK_24MB ( (1 << 9) - 1 )
+#define DEV_RATEMASK_36MB ( (1 << 10) - 1 )
+#define DEV_RATEMASK_48MB ( (1 << 11) - 1 )
+#define DEV_RATEMASK_54MB ( (1 << 12) - 1 )
+
+ unsigned short plcp;
+};
+
+extern const struct rt2x00_rate rt2x00_supported_rates[12];
+
+static inline u16 rt2x00_create_rate_hw_value(const u16 index,
+ const u16 short_preamble)
+{
+ return (short_preamble << 8) | (index & 0xff);
+}
+
+static inline const struct rt2x00_rate *rt2x00_get_rate(const u16 hw_value)
+{
+ return &rt2x00_supported_rates[hw_value & 0xff];
+}
+
+static inline int rt2x00_get_rate_preamble(const u16 hw_value)
+{
+ return (hw_value & 0xff00);
+}
+
+/*
* Radio control handlers.
*/
int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev);
diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h
index e0ebe51c082..0325bed2fbf 100644
--- a/drivers/net/wireless/rt2x00/rt2x00reg.h
+++ b/drivers/net/wireless/rt2x00/rt2x00reg.h
@@ -220,75 +220,4 @@ static inline u8 rt2x00_get_field8(const u8 reg,
return (reg & field.bit_mask) >> field.bit_offset;
}
-/*
- * Device specific rate value.
- * We will have to create the device specific rate value
- * passed to the ieee80211 kernel. We need to make it a consist of
- * multiple fields because we want to store more then 1 device specific
- * values inside the value.
- * 1 - rate, stored as 100 kbit/s.
- * 2 - preamble, short_preamble enabled flag.
- * 3 - MASK_RATE, which rates are enabled in this mode, this mask
- * corresponds with the TX register format for the current device.
- * 4 - plcp, 802.11b rates are device specific,
- * 802.11g rates are set according to the ieee802.11a-1999 p.14.
- * The bit to enable preamble is set in a seperate define.
- */
-#define DEV_RATE FIELD32(0x000007ff)
-#define DEV_PREAMBLE FIELD32(0x00000800)
-#define DEV_RATEMASK FIELD32(0x00fff000)
-#define DEV_PLCP FIELD32(0xff000000)
-
-/*
- * Bitfields
- */
-#define DEV_RATEBIT_1MB ( 1 << 0 )
-#define DEV_RATEBIT_2MB ( 1 << 1 )
-#define DEV_RATEBIT_5_5MB ( 1 << 2 )
-#define DEV_RATEBIT_11MB ( 1 << 3 )
-#define DEV_RATEBIT_6MB ( 1 << 4 )
-#define DEV_RATEBIT_9MB ( 1 << 5 )
-#define DEV_RATEBIT_12MB ( 1 << 6 )
-#define DEV_RATEBIT_18MB ( 1 << 7 )
-#define DEV_RATEBIT_24MB ( 1 << 8 )
-#define DEV_RATEBIT_36MB ( 1 << 9 )
-#define DEV_RATEBIT_48MB ( 1 << 10 )
-#define DEV_RATEBIT_54MB ( 1 << 11 )
-
-/*
- * Bitmasks for DEV_RATEMASK
- */
-#define DEV_RATEMASK_1MB ( (DEV_RATEBIT_1MB << 1) -1 )
-#define DEV_RATEMASK_2MB ( (DEV_RATEBIT_2MB << 1) -1 )
-#define DEV_RATEMASK_5_5MB ( (DEV_RATEBIT_5_5MB << 1) -1 )
-#define DEV_RATEMASK_11MB ( (DEV_RATEBIT_11MB << 1) -1 )
-#define DEV_RATEMASK_6MB ( (DEV_RATEBIT_6MB << 1) -1 )
-#define DEV_RATEMASK_9MB ( (DEV_RATEBIT_9MB << 1) -1 )
-#define DEV_RATEMASK_12MB ( (DEV_RATEBIT_12MB << 1) -1 )
-#define DEV_RATEMASK_18MB ( (DEV_RATEBIT_18MB << 1) -1 )
-#define DEV_RATEMASK_24MB ( (DEV_RATEBIT_24MB << 1) -1 )
-#define DEV_RATEMASK_36MB ( (DEV_RATEBIT_36MB << 1) -1 )
-#define DEV_RATEMASK_48MB ( (DEV_RATEBIT_48MB << 1) -1 )
-#define DEV_RATEMASK_54MB ( (DEV_RATEBIT_54MB << 1) -1 )
-
-/*
- * Bitmask groups of bitrates
- */
-#define DEV_BASIC_RATEMASK \
- ( DEV_RATEMASK_11MB | \
- DEV_RATEBIT_6MB | DEV_RATEBIT_12MB | DEV_RATEBIT_24MB )
-
-#define DEV_CCK_RATEMASK ( DEV_RATEMASK_11MB )
-#define DEV_OFDM_RATEMASK ( DEV_RATEMASK_54MB & ~DEV_CCK_RATEMASK )
-
-/*
- * Macro's to set and get specific fields from the device specific val and val2
- * fields inside the ieee80211_rate entry.
- */
-#define DEVICE_SET_RATE_FIELD(__value, __mask) \
- (int)( ((__value) << DEV_##__mask.bit_offset) & DEV_##__mask.bit_mask )
-
-#define DEVICE_GET_RATE_FIELD(__value, __mask) \
- (int)( ((__value) & DEV_##__mask.bit_mask) >> DEV_##__mask.bit_offset )
-
#endif /* RT2X00REG_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 01:14:44 +0000