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yaml
---
r: 122026
b: refs/heads/master
c: bad1363
h: refs/heads/master
v: v3
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Ivo van Doorn authored and John W. Linville committed Nov 21, 2008
1 parent d6d3277 commit 7df7778
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Showing 7 changed files with 28 additions and 35 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 87c1687d1a7bf0d4975d613cb699ba95b329359e
refs/heads/master: bad13639a30e1557fbe9d440adc1906673c9de4e
10 changes: 5 additions & 5 deletions trunk/drivers/net/wireless/rt2x00/rt2400pci.c
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Original file line number Diff line number Diff line change
Expand Up @@ -322,7 +322,7 @@ static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev,
/*
* Enable beacon config
*/
bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
Expand Down Expand Up @@ -367,25 +367,25 @@ static void rt2400pci_config_erp(struct rt2x00_dev *rt2x00dev,
rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 10));
rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);

rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 20));
rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);

rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 55));
rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);

rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 110));
rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);

rt2x00pci_register_write(rt2x00dev, ARCSR1, erp->basic_rates);
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10 changes: 5 additions & 5 deletions trunk/drivers/net/wireless/rt2x00/rt2500pci.c
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Original file line number Diff line number Diff line change
Expand Up @@ -327,7 +327,7 @@ static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev,
/*
* Enable beacon config
*/
bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN, queue->cw_min);
Expand Down Expand Up @@ -373,25 +373,25 @@ static void rt2500pci_config_erp(struct rt2x00_dev *rt2x00dev,
rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 10));
rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 10));
rt2x00pci_register_write(rt2x00dev, ARCSR2, reg);

rt2x00pci_register_read(rt2x00dev, ARCSR3, &reg);
rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 20));
rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 20));
rt2x00pci_register_write(rt2x00dev, ARCSR3, reg);

rt2x00pci_register_read(rt2x00dev, ARCSR4, &reg);
rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 55));
rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 55));
rt2x00pci_register_write(rt2x00dev, ARCSR4, reg);

rt2x00pci_register_read(rt2x00dev, ARCSR5, &reg);
rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
rt2x00_set_field32(&reg, ARCSR2_LENGTH, GET_DURATION(ACK_SIZE, 110));
rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);

rt2x00pci_register_write(rt2x00dev, ARCSR1, erp->basic_rates);
Expand Down
2 changes: 1 addition & 1 deletion trunk/drivers/net/wireless/rt2x00/rt2500usb.c
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Original file line number Diff line number Diff line change
Expand Up @@ -385,7 +385,7 @@ static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
/*
* Enable beacon config
*/
bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
Expand Down
31 changes: 12 additions & 19 deletions trunk/drivers/net/wireless/rt2x00/rt2x00.h
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,16 @@
#define EEPROM(__dev, __msg, __args...) \
DEBUG_PRINTK(__dev, KERN_DEBUG, "EEPROM recovery", __msg, ##__args)

/*
* Duration calculations
* The rate variable passed is: 100kbs.
* To convert from bytes to bits we multiply size with 8,
* then the size is multiplied with 10 to make the
* real rate -> rate argument correction.
*/
#define GET_DURATION(__size, __rate) (((__size) * 8 * 10) / (__rate))
#define GET_DURATION_RES(__size, __rate)(((__size) * 8 * 10) % (__rate))

/*
* Standard timing and size defines.
* These values should follow the ieee80211 specifications.
Expand All @@ -109,9 +119,9 @@
#define DIFS ( PIFS + SLOT_TIME )
#define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME )
#define EIFS ( SIFS + DIFS + \
(8 * (IEEE80211_HEADER + ACK_SIZE)) )
GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )
#define SHORT_EIFS ( SIFS + SHORT_DIFS + \
(8 * (IEEE80211_HEADER + ACK_SIZE)) )
GET_DURATION(IEEE80211_HEADER + ACK_SIZE, 10) )

/*
* Chipset identification
Expand Down Expand Up @@ -920,23 +930,6 @@ static inline u16 rt2x00_check_rev(const struct rt2x00_chip *chipset,
!!(chipset->rev & 0x0000f));
}

/*
* Duration calculations
* The rate variable passed is: 100kbs.
* To convert from bytes to bits we multiply size with 8,
* then the size is multiplied with 10 to make the
* real rate -> rate argument correction.
*/
static inline u16 get_duration(const unsigned int size, const u8 rate)
{
return ((size * 8 * 10) / rate);
}

static inline u16 get_duration_res(const unsigned int size, const u8 rate)
{
return ((size * 8 * 10) % rate);
}

/**
* rt2x00queue_map_txskb - Map a skb into DMA for TX purposes.
* @rt2x00dev: Pointer to &struct rt2x00_dev.
Expand Down
4 changes: 2 additions & 2 deletions trunk/drivers/net/wireless/rt2x00/rt2x00config.c
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Original file line number Diff line number Diff line change
Expand Up @@ -92,8 +92,8 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
erp.difs = bss_conf->use_short_slot ? SHORT_DIFS : DIFS;
erp.eifs = bss_conf->use_short_slot ? SHORT_EIFS : EIFS;

erp.ack_timeout = PLCP + erp.difs + get_duration(ACK_SIZE, 10);
erp.ack_consume_time = SIFS + PLCP + get_duration(ACK_SIZE, 10);
erp.ack_timeout = PLCP + erp.difs + GET_DURATION(ACK_SIZE, 10);
erp.ack_consume_time = SIFS + PLCP + GET_DURATION(ACK_SIZE, 10);

if (bss_conf->use_short_preamble) {
erp.ack_timeout += SHORT_PREAMBLE;
Expand Down
4 changes: 2 additions & 2 deletions trunk/drivers/net/wireless/rt2x00/rt2x00queue.c
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Original file line number Diff line number Diff line change
Expand Up @@ -319,8 +319,8 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,
/*
* Convert length to microseconds.
*/
residual = get_duration_res(data_length, hwrate->bitrate);
duration = get_duration(data_length, hwrate->bitrate);
residual = GET_DURATION_RES(data_length, hwrate->bitrate);
duration = GET_DURATION(data_length, hwrate->bitrate);

if (residual != 0) {
duration++;
Expand Down

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