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zd1211rw: Implement get_tsf() 

This patch implements get_tsf() of ieee80211_ops in the zd1211rw driver.

Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Alina Friedrichsen 2009-02-25 00:49:18 +01:00 committed by John W. Linville
parent b3bd89ce95
commit 5fe73197d3
3 changed files with 30 additions and 0 deletions
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21
drivers/net/wireless/zd1211rw/zd_chip.c
View File

@ -1616,3 +1616,24 @@ int zd_chip_set_multicast_hash(struct zd_chip *chip,
return zd_iowrite32a(chip, ioreqs, ARRAY_SIZE(ioreqs));
}
u64 zd_chip_get_tsf(struct zd_chip *chip)
{
int r;
static const zd_addr_t aw_pt_bi_addr[] =
{ CR_TSF_LOW_PART, CR_TSF_HIGH_PART };
u32 values[2];
u64 tsf;
mutex_lock(&chip->mutex);
r = zd_ioread32v_locked(chip, values, (const zd_addr_t *)aw_pt_bi_addr,
ARRAY_SIZE(aw_pt_bi_addr));
mutex_unlock(&chip->mutex);
if (r)
return 0;
tsf = values[1];
tsf = (tsf << 32) | values[0];
return tsf;
}

2
drivers/net/wireless/zd1211rw/zd_chip.h
View File

@ -950,4 +950,6 @@ static inline void zd_mc_add_addr(struct zd_mc_hash *hash, u8 *addr)
int zd_chip_set_multicast_hash(struct zd_chip *chip,
struct zd_mc_hash *hash);
u64 zd_chip_get_tsf(struct zd_chip *chip);
#endif /* _ZD_CHIP_H */

7
drivers/net/wireless/zd1211rw/zd_mac.c
View File

@ -935,6 +935,12 @@ static void zd_op_bss_info_changed(struct ieee80211_hw *hw,
}
}
static u64 zd_op_get_tsf(struct ieee80211_hw *hw)
{
struct zd_mac *mac = zd_hw_mac(hw);
return zd_chip_get_tsf(&mac->chip);
}
static const struct ieee80211_ops zd_ops = {
.tx = zd_op_tx,
.start = zd_op_start,
@ -945,6 +951,7 @@ static const struct ieee80211_ops zd_ops = {
.config_interface = zd_op_config_interface,
.configure_filter = zd_op_configure_filter,
.bss_info_changed = zd_op_bss_info_changed,
.get_tsf = zd_op_get_tsf,
};
struct ieee80211_hw *zd_mac_alloc_hw(struct usb_interface *intf)