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brcm80211: smac: mute transmit on ops_start

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Monitor mode functionality (not functional yet) requires transmit to be
muted after ops_start() is called, transmit is unmuted when the first
interface is added.

Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Roland Vossen 2011-10-21 16:16:28 +02:00 committed by John W. Linville
parent 2646c46d56
commit dc46012789
4 changed files with 20 additions and 5 deletions
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11
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
View File

@ -294,6 +294,9 @@ static int brcms_ops_start(struct ieee80211_hw *hw)
wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
spin_lock_bh(&wl->lock);
/* avoid acknowledging frames before a non-monitor device is added */
wl->mute_tx = true;
if (!wl->pub->up)
err = brcms_up(wl);
else
@ -335,6 +338,8 @@ static void brcms_ops_stop(struct ieee80211_hw *hw)
static int
brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
{
struct brcms_info *wl = hw->priv;
/* Just STA for now */
if (vif->type != NL80211_IFTYPE_AP &&
vif->type != NL80211_IFTYPE_MESH_POINT &&
@ -346,6 +351,9 @@ brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
return -EOPNOTSUPP;
}
wl->mute_tx = false;
brcms_c_mute(wl->wlc, false);
return 0;
}
@ -1303,8 +1311,7 @@ void brcms_init(struct brcms_info *wl)
{
BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit);
brcms_reset(wl);
brcms_c_init(wl->wlc);
brcms_c_init(wl->wlc, wl->mute_tx);
}
/*

1
drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h
View File

@ -80,6 +80,7 @@ struct brcms_info {
struct brcms_firmware fw;
struct wiphy *wiphy;
struct brcms_ucode ucode;
bool mute_tx;
};
/* misc callbacks */

10
drivers/net/wireless/brcm80211/brcmsmac/main.c
View File

@ -2396,6 +2396,7 @@ void brcms_c_intrsrestore(struct brcms_c_info *wlc, u32 macintmask)
W_REG(&wlc_hw->regs->macintmask, wlc->macintmask);
}
/* assumes that the d11 MAC is enabled */
static void brcms_b_tx_fifo_suspend(struct brcms_hardware *wlc_hw,
uint tx_fifo)
{
@ -2487,6 +2488,12 @@ static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx)
brcms_c_ucode_mute_override_clear(wlc_hw);
}
void
brcms_c_mute(struct brcms_c_info *wlc, bool mute_tx)
{
brcms_b_mute(wlc->hw, mute_tx);
}
/*
* Read and clear macintmask and macintstatus and intstatus registers.
* This routine should be called with interrupts off
@ -8253,11 +8260,10 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded)
return wlc->macintstatus != 0;
}
void brcms_c_init(struct brcms_c_info *wlc)
void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx)
{
struct d11regs __iomem *regs;
u16 chanspec;
bool mute_tx = false;
BCMMSG(wlc->wiphy, "wl%d\n", wlc->pub->unit);

3
drivers/net/wireless/brcm80211/brcmsmac/pub.h
View File

@ -540,7 +540,7 @@ extern int brcms_c_up(struct brcms_c_info *wlc);
extern uint brcms_c_down(struct brcms_c_info *wlc);
extern bool brcms_c_chipmatch(u16 vendor, u16 device);
extern void brcms_c_init(struct brcms_c_info *wlc);
extern void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx);
extern void brcms_c_reset(struct brcms_c_info *wlc);
extern void brcms_c_intrson(struct brcms_c_info *wlc);
@ -597,5 +597,6 @@ extern void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc,
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);
extern void brcms_c_mute(struct brcms_c_info *wlc, bool on);
#endif /* _BRCM_PUB_H_ */