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rt2x00: Rename config_preamble() to config_erp()

Browse source 
Rename config_preamble() to config_erp() and cleanup argument
list by putting it all into a single structure.
This will make the function more meaningful and easier to
expand later. This second option is mostly intended to make
the patch "mac80211: proper short-slot handling" from Johannes Berg
easier to apply for rt2x00.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn 2008-03-09 22:46:18 +01:00 • committed by John W. Linville
parent e4030a2f40
commit 7281037943
10 changed files with 76 additions and 80 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
drivers/net/wireless/rt2x00/rt2400pci.c
View file

@ -304,10 +304,8 @@ static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev,
conf->bssid, sizeof(conf->bssid)); conf->bssid, sizeof(conf->bssid));
} }
static int rt2400pci_config_preamble(struct rt2x00_dev *rt2x00dev, static int rt2400pci_config_erp(struct rt2x00_dev *rt2x00dev,
const int short_preamble, struct rt2x00lib_erp *erp)
const int ack_timeout,
const int ack_consume_time)
{ {
int preamble_mask; int preamble_mask;
u32 reg; u32 reg;
@ -315,11 +313,13 @@ static int rt2400pci_config_preamble(struct rt2x00_dev *rt2x00dev,
/* /*
* When short preamble is enabled, we should set bit 0x08 * When short preamble is enabled, we should set bit 0x08
*/ */
preamble_mask = short_preamble << 3; preamble_mask = erp->short_preamble << 3;
rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg); rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, ack_timeout); rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT,
rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME, ack_consume_time); erp->ack_timeout);
rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME,
erp->ack_consume_time);
rt2x00pci_register_write(rt2x00dev, TXCSR1, reg); rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg); rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
@ -1601,7 +1601,7 @@ static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = {
.kick_tx_queue = rt2400pci_kick_tx_queue, .kick_tx_queue = rt2400pci_kick_tx_queue,
.fill_rxdone = rt2400pci_fill_rxdone, .fill_rxdone = rt2400pci_fill_rxdone,
.config_intf = rt2400pci_config_intf, .config_intf = rt2400pci_config_intf,
.config_preamble = rt2400pci_config_preamble, .config_erp = rt2400pci_config_erp,
.config = rt2400pci_config, .config = rt2400pci_config,
}; };

16
drivers/net/wireless/rt2x00/rt2500pci.c
View file

@ -307,10 +307,8 @@ static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev,
conf->bssid, sizeof(conf->bssid)); conf->bssid, sizeof(conf->bssid));
} }
static int rt2500pci_config_preamble(struct rt2x00_dev *rt2x00dev, static int rt2500pci_config_erp(struct rt2x00_dev *rt2x00dev,
const int short_preamble, struct rt2x00lib_erp *erp)
const int ack_timeout,
const int ack_consume_time)
{ {
int preamble_mask; int preamble_mask;
u32 reg; u32 reg;
@ -318,11 +316,13 @@ static int rt2500pci_config_preamble(struct rt2x00_dev *rt2x00dev,
/* /*
* When short preamble is enabled, we should set bit 0x08 * When short preamble is enabled, we should set bit 0x08
*/ */
preamble_mask = short_preamble << 3; preamble_mask = erp->short_preamble << 3;
rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg); rt2x00pci_register_read(rt2x00dev, TXCSR1, &reg);
rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, ack_timeout); rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT,
rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME, ack_consume_time); erp->ack_timeout);
rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME,
erp->ack_consume_time);
rt2x00pci_register_write(rt2x00dev, TXCSR1, reg); rt2x00pci_register_write(rt2x00dev, TXCSR1, reg);
rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg); rt2x00pci_register_read(rt2x00dev, ARCSR2, &reg);
@ -1911,7 +1911,7 @@ static const struct rt2x00lib_ops rt2500pci_rt2x00_ops = {
.kick_tx_queue = rt2500pci_kick_tx_queue, .kick_tx_queue = rt2500pci_kick_tx_queue,
.fill_rxdone = rt2500pci_fill_rxdone, .fill_rxdone = rt2500pci_fill_rxdone,
.config_intf = rt2500pci_config_intf, .config_intf = rt2500pci_config_intf,
.config_preamble = rt2500pci_config_preamble, .config_erp = rt2500pci_config_erp,
.config = rt2500pci_config, .config = rt2500pci_config,
}; };

12
drivers/net/wireless/rt2x00/rt2500usb.c
View file

@ -356,10 +356,8 @@ static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
(3 * sizeof(__le16))); (3 * sizeof(__le16)));
} }
static int rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev, static int rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
const int short_preamble, struct rt2x00lib_erp *erp)
const int ack_timeout,
const int ack_consume_time)
{ {
u16 reg; u16 reg;
@ -371,12 +369,12 @@ static int rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev,
return -EAGAIN; return -EAGAIN;
rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg); rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, ack_timeout); rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, erp->ack_timeout);
rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg); rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg); rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE, rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
!!short_preamble); !!erp->short_preamble);
rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg); rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
return 0; return 0;
@ -1842,7 +1840,7 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
.kick_tx_queue = rt2500usb_kick_tx_queue, .kick_tx_queue = rt2500usb_kick_tx_queue,
.fill_rxdone = rt2500usb_fill_rxdone, .fill_rxdone = rt2500usb_fill_rxdone,
.config_intf = rt2500usb_config_intf, .config_intf = rt2500usb_config_intf,
.config_preamble = rt2500usb_config_preamble, .config_erp = rt2500usb_config_erp,
.config = rt2500usb_config, .config = rt2500usb_config,
}; };

18
drivers/net/wireless/rt2x00/rt2x00.h
View file

@ -384,7 +384,7 @@ struct rt2x00_intf {
*/ */
unsigned int delayed_flags; unsigned int delayed_flags;
#define DELAYED_UPDATE_BEACON 0x00000001 #define DELAYED_UPDATE_BEACON 0x00000001
#define DELAYED_CONFIG_PREAMBLE 0x00000002 #define DELAYED_CONFIG_ERP 0x00000002
}; };
static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif) static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
@ -450,6 +450,16 @@ struct rt2x00lib_conf {
short eifs; short eifs;
}; };
/*
* Configuration structure for erp settings.
*/
struct rt2x00lib_erp {
int short_preamble;
int ack_timeout;
int ack_consume_time;
};
/* /*
* Configuration structure wrapper around the * Configuration structure wrapper around the
* rt2x00 interface configuration handler. * rt2x00 interface configuration handler.
@ -558,10 +568,8 @@ struct rt2x00lib_ops {
#define CONFIG_UPDATE_MAC ( 1 << 2 ) #define CONFIG_UPDATE_MAC ( 1 << 2 )
#define CONFIG_UPDATE_BSSID ( 1 << 3 ) #define CONFIG_UPDATE_BSSID ( 1 << 3 )
int (*config_preamble) (struct rt2x00_dev *rt2x00dev, int (*config_erp) (struct rt2x00_dev *rt2x00dev,
const int short_preamble, struct rt2x00lib_erp *erp);
const int ack_timeout,
const int ack_consume_time);
void (*config) (struct rt2x00_dev *rt2x00dev, void (*config) (struct rt2x00_dev *rt2x00dev,
struct rt2x00lib_conf *libconf, struct rt2x00lib_conf *libconf,
const unsigned int flags); const unsigned int flags);

43
drivers/net/wireless/rt2x00/rt2x00config.c
View file

@ -75,43 +75,40 @@ void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
rt2x00dev->ops->lib->config_intf(rt2x00dev, intf, &conf, flags); rt2x00dev->ops->lib->config_intf(rt2x00dev, intf, &conf, flags);
} }
void rt2x00lib_config_preamble(struct rt2x00_dev *rt2x00dev, void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
struct rt2x00_intf *intf, struct rt2x00_intf *intf,
const unsigned int short_preamble) struct ieee80211_bss_conf *bss_conf)
{ {
struct rt2x00lib_erp erp;
int retval; int retval;
int ack_timeout;
int ack_consume_time;
ack_timeout = PLCP + get_duration(ACK_SIZE, 10); memset(&erp, 0, sizeof(erp));
ack_consume_time = SIFS + PLCP + get_duration(ACK_SIZE, 10);
erp.short_preamble = bss_conf->use_short_preamble;
erp.ack_timeout = PLCP + get_duration(ACK_SIZE, 10);
erp.ack_consume_time = SIFS + PLCP + get_duration(ACK_SIZE, 10);
if (rt2x00dev->hw->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME) if (rt2x00dev->hw->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME)
ack_timeout += SHORT_DIFS; erp.ack_timeout += SHORT_DIFS;
else else
ack_timeout += DIFS; erp.ack_timeout += DIFS;
if (short_preamble) { if (bss_conf->use_short_preamble) {
ack_timeout += SHORT_PREAMBLE; erp.ack_timeout += SHORT_PREAMBLE;
ack_consume_time += SHORT_PREAMBLE; erp.ack_consume_time += SHORT_PREAMBLE;
} else { } else {
ack_timeout += PREAMBLE; erp.ack_timeout += PREAMBLE;
ack_consume_time += PREAMBLE; erp.ack_consume_time += PREAMBLE;
} }
retval = rt2x00dev->ops->lib->config_preamble(rt2x00dev, retval = rt2x00dev->ops->lib->config_erp(rt2x00dev, &erp);
short_preamble,
ack_timeout,
ack_consume_time);
spin_lock(&intf->lock);
if (retval) { if (retval) {
intf->delayed_flags |= DELAYED_CONFIG_PREAMBLE; spin_lock(&intf->lock);
intf->delayed_flags |= DELAYED_CONFIG_ERP;
queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work); queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work);
spin_unlock(&intf->lock);
} }
spin_unlock(&intf->lock);
} }
void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,

5
drivers/net/wireless/rt2x00/rt2x00dev.c
View file

@ -447,9 +447,8 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
} }
} }
if (delayed_flags & DELAYED_CONFIG_PREAMBLE) if (delayed_flags & DELAYED_CONFIG_ERP)
rt2x00lib_config_preamble(rt2x00dev, intf, rt2x00lib_config_erp(rt2x00dev, intf, &intf->conf);
intf->conf.use_short_preamble);
} }
static void rt2x00lib_intf_scheduled(struct work_struct *work) static void rt2x00lib_intf_scheduled(struct work_struct *work)

6
drivers/net/wireless/rt2x00/rt2x00lib.h
View file

@ -100,9 +100,9 @@ void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
struct rt2x00_intf *intf, struct rt2x00_intf *intf,
enum ieee80211_if_types type, enum ieee80211_if_types type,
u8 *mac, u8 *bssid); u8 *mac, u8 *bssid);
void rt2x00lib_config_preamble(struct rt2x00_dev *rt2x00dev, void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
struct rt2x00_intf *intf, struct rt2x00_intf *intf,
const unsigned int short_preamble); struct ieee80211_bss_conf *conf);
void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
enum antenna rx, enum antenna tx); enum antenna rx, enum antenna tx);
void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,

16
drivers/net/wireless/rt2x00/rt2x00mac.c
View file

@ -436,17 +436,15 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
} }
/* /*
* When the preamble mode has changed, we should perform additional * When the erp information has changed, we should perform
* configuration steps. For all other changes we are already done. * additional configuration steps. For all other changes we are done.
*/ */
if (changes & BSS_CHANGED_ERP_PREAMBLE) { if (changes & BSS_CHANGED_ERP_PREAMBLE)
rt2x00lib_config_preamble(rt2x00dev, intf, rt2x00lib_config_erp(rt2x00dev, intf, bss_conf);
bss_conf->use_short_preamble);
spin_lock(&intf->lock); spin_lock(&intf->lock);
memcpy(&intf->conf, bss_conf, sizeof(*bss_conf)); memcpy(&intf->conf, bss_conf, sizeof(*bss_conf));
spin_unlock(&intf->lock); spin_unlock(&intf->lock);
}
} }
EXPORT_SYMBOL_GPL(rt2x00mac_bss_info_changed); EXPORT_SYMBOL_GPL(rt2x00mac_bss_info_changed);

12
drivers/net/wireless/rt2x00/rt61pci.c
View file

@ -366,20 +366,18 @@ static void rt61pci_config_intf(struct rt2x00_dev *rt2x00dev,
} }
} }
static int rt61pci_config_preamble(struct rt2x00_dev *rt2x00dev, static int rt61pci_config_erp(struct rt2x00_dev *rt2x00dev,
const int short_preamble, struct rt2x00lib_erp *erp)
const int ack_timeout,
const int ack_consume_time)
{ {
u32 reg; u32 reg;
rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg); rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, &reg);
rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout); rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout);
rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg); rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg);
rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
!!short_preamble); !!erp->short_preamble);
rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg); rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
return 0; return 0;
@ -2481,7 +2479,7 @@ static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {
.kick_tx_queue = rt61pci_kick_tx_queue, .kick_tx_queue = rt61pci_kick_tx_queue,
.fill_rxdone = rt61pci_fill_rxdone, .fill_rxdone = rt61pci_fill_rxdone,
.config_intf = rt61pci_config_intf, .config_intf = rt61pci_config_intf,
.config_preamble = rt61pci_config_preamble, .config_erp = rt61pci_config_erp,
.config = rt61pci_config, .config = rt61pci_config,
}; };

12
drivers/net/wireless/rt2x00/rt73usb.c
View file

@ -378,10 +378,8 @@ static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
} }
} }
static int rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev, static int rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
const int short_preamble, struct rt2x00lib_erp *erp)
const int ack_timeout,
const int ack_consume_time)
{ {
u32 reg; u32 reg;
@ -393,12 +391,12 @@ static int rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev,
return -EAGAIN; return -EAGAIN;
rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg); rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout); rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout);
rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg); rt73usb_register_read(rt2x00dev, TXRX_CSR4, &reg);
rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
!!short_preamble); !!erp->short_preamble);
rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg); rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
return 0; return 0;
@ -2090,7 +2088,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
.kick_tx_queue = rt73usb_kick_tx_queue, .kick_tx_queue = rt73usb_kick_tx_queue,
.fill_rxdone = rt73usb_fill_rxdone, .fill_rxdone = rt73usb_fill_rxdone,
.config_intf = rt73usb_config_intf, .config_intf = rt73usb_config_intf,
.config_preamble = rt73usb_config_preamble, .config_erp = rt73usb_config_erp,
.config = rt73usb_config, .config = rt73usb_config,
}; };