From 60ba17b69f9bc3c752555b64e8d6aff9eb263d56 Mon Sep 17 00:00:00 2001
From: hauke <hauke@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 24 Feb 2013 01:11:20 +0000
Subject: mac80211: brcmsmac: add ap mode support

This does not work very well. I did not got this running in 5GHz mode and it was not very fast.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35763 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 ...plement-ieee80211_ops-get_tsf-and-set_tsf.patch | 121 +++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100644 package/mac80211/patches/860-brcmsmac-implement-ieee80211_ops-get_tsf-and-set_tsf.patch

(limited to 'package/mac80211/patches/860-brcmsmac-implement-ieee80211_ops-get_tsf-and-set_tsf.patch')

diff --git a/package/mac80211/patches/860-brcmsmac-implement-ieee80211_ops-get_tsf-and-set_tsf.patch b/package/mac80211/patches/860-brcmsmac-implement-ieee80211_ops-get_tsf-and-set_tsf.patch
new file mode 100644
index 000000000..33991bcf6
--- /dev/null
+++ b/package/mac80211/patches/860-brcmsmac-implement-ieee80211_ops-get_tsf-and-set_tsf.patch
@@ -0,0 +1,121 @@
+--- a/drivers/net/wireless/brcm80211/brcmsmac/d11.h
++++ b/drivers/net/wireless/brcm80211/brcmsmac/d11.h
+@@ -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)
+--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+@@ -741,6 +741,28 @@ static void brcms_ops_flush(struct ieee8
+ 			   "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,
+@@ -757,6 +779,8 @@ static const struct ieee80211_ops brcms_
+ 	.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)
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+@@ -5545,6 +5545,20 @@ int brcms_c_set_rateset(struct brcms_c_i
+ 	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)
+@@ -7530,6 +7544,36 @@ void brcms_c_set_beacon_listen_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;
+--- a/drivers/net/wireless/brcm80211/brcmsmac/pub.h
++++ b/drivers/net/wireless/brcm80211/brcmsmac/pub.h
+@@ -326,6 +326,8 @@ extern void brcms_c_set_shortslot_overri
+ 				    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);
-- 
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