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brcmsmac: implement ieee80211_ops get_tsf and set_tsf 

setting the tsf is needed to start a timer to make beaconing in AP mode
work.

This is based on older versions of brcmsmac and b43.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hauke Mehrtens 2013-03-24 01:45:49 +01:00 committed by John W. Linville
parent 5c1da23b6a
commit 39b2d36c8a
4 changed files with 71 additions and 0 deletions
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1
drivers/net/wireless/brcm80211/brcmsmac/d11.h
View File

@ -457,6 +457,7 @@ struct d11regs {
/*== maccontrol register ==*/
#define MCTL_GMODE (1U << 31)
#define MCTL_DISCARD_PMQ (1 << 30)
#define MCTL_TBTTHOLD (1 << 28)
#define MCTL_WAKE (1 << 26)
#define MCTL_HPS (1 << 25)
#define MCTL_PROMISC (1 << 24)

24
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
View File

@ -739,6 +739,28 @@ static void brcms_ops_flush(struct ieee80211_hw *hw, u32 queues, bool drop)
"ret=%d\n", jiffies_to_msecs(ret));
}
static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct brcms_info *wl = hw->priv;
u64 tsf;
spin_lock_bh(&wl->lock);
tsf = brcms_c_tsf_get(wl->wlc);
spin_unlock_bh(&wl->lock);
return tsf;
}
static void brcms_ops_set_tsf(struct ieee80211_hw *hw,
struct ieee80211_vif *vif, u64 tsf)
{
struct brcms_info *wl = hw->priv;
spin_lock_bh(&wl->lock);
brcms_c_tsf_set(wl->wlc, tsf);
spin_unlock_bh(&wl->lock);
}
static const struct ieee80211_ops brcms_ops = {
.tx = brcms_ops_tx,
.start = brcms_ops_start,
@ -755,6 +777,8 @@ static const struct ieee80211_ops brcms_ops = {
.ampdu_action = brcms_ops_ampdu_action,
.rfkill_poll = brcms_ops_rfkill_poll,
.flush = brcms_ops_flush,
.get_tsf = brcms_ops_get_tsf,
.set_tsf = brcms_ops_set_tsf,
};
void brcms_dpc(unsigned long data)

44
drivers/net/wireless/brcm80211/brcmsmac/main.c
View File

@ -5543,6 +5543,20 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs)
return bcmerror;
}
static void brcms_c_time_lock(struct brcms_c_info *wlc)
{
bcma_set32(wlc->hw->d11core, D11REGOFFS(maccontrol), MCTL_TBTTHOLD);
/* Commit the write */
bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol));
}
static void brcms_c_time_unlock(struct brcms_c_info *wlc)
{
bcma_mask32(wlc->hw->d11core, D11REGOFFS(maccontrol), ~MCTL_TBTTHOLD);
/* Commit the write */
bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol));
}
int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period)
{
if (period == 0)
@ -7526,6 +7540,36 @@ void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval)
brcms_c_bcn_li_upd(wlc);
}
u64 brcms_c_tsf_get(struct brcms_c_info *wlc)
{
u32 tsf_h, tsf_l;
u64 tsf;
brcms_b_read_tsf(wlc->hw, &tsf_l, &tsf_h);
tsf = tsf_h;
tsf <<= 32;
tsf |= tsf_l;
return tsf;
}
void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf)
{
u32 tsf_h, tsf_l;
brcms_c_time_lock(wlc);
tsf_l = tsf;
tsf_h = (tsf >> 32);
/* read the tsf timer low, then high to get an atomic read */
bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerlow), tsf_l);
bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerhigh), tsf_h);
brcms_c_time_unlock(wlc);
}
int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr)
{
uint qdbm;

2
drivers/net/wireless/brcm80211/brcmsmac/pub.h
View File

@ -326,6 +326,8 @@ extern void brcms_c_set_shortslot_override(struct brcms_c_info *wlc,
s8 sslot_override);
extern void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc,
u8 interval);
extern u64 brcms_c_tsf_get(struct brcms_c_info *wlc);
extern void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf);
extern int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr);
extern int brcms_c_get_tx_power(struct brcms_c_info *wlc);
extern bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc);