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ath9k: merge a fix for queue start/stop handling (fixes #18164, #18130) 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43011 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2014-10-21 16:30:01 +00:00
parent c0ed1033ba
commit 6b9acc65ec
5 changed files with 150 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

145
package/kernel/mac80211/patches/336-ath9k-Enable-HW-queue-control-only-for-MCC.patch Normal file
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@ -0,0 +1,145 @@
From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Tue, 21 Oct 2014 19:23:02 +0530
Subject: [PATCH] ath9k: Enable HW queue control only for MCC
Enabling HW queue control for normal (non-mcc) mode
causes problems with queue management, resulting
in traffic stall. Since it is mainly required for
fairness in MCC mode, disable it for the general case.
Bug: https://dev.openwrt.org/ticket/18164
Cc: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
---
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -741,6 +741,32 @@ static const struct ieee80211_iface_comb
#endif
};
+#ifdef CPTCFG_ATH9K_CHANNEL_CONTEXT
+static void ath9k_set_mcc_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ if (!ath9k_is_chanctx_enabled())
+ return;
+
+ hw->flags |= IEEE80211_HW_QUEUE_CONTROL;
+ hw->queues = ATH9K_NUM_TX_QUEUES;
+ hw->offchannel_tx_hw_queue = hw->queues - 1;
+ hw->wiphy->interface_modes &= ~ BIT(NL80211_IFTYPE_WDS);
+ hw->wiphy->iface_combinations = if_comb_multi;
+ hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_multi);
+ hw->wiphy->max_scan_ssids = 255;
+ hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
+ hw->wiphy->max_remain_on_channel_duration = 10000;
+ hw->chanctx_data_size = sizeof(void *);
+ hw->extra_beacon_tailroom =
+ sizeof(struct ieee80211_p2p_noa_attr) + 9;
+
+ ath_dbg(common, CHAN_CTX, "Use channel contexts\n");
+}
+#endif /* CPTCFG_ATH9K_CHANNEL_CONTEXT */
+
static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
{
struct ath_hw *ah = sc->sc_ah;
@@ -753,7 +779,6 @@ static void ath9k_set_hw_capab(struct at
IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_SUPPORTS_RC_TABLE |
- IEEE80211_HW_QUEUE_CONTROL |
IEEE80211_HW_SUPPORTS_HT_CCK_RATES;
if (ath9k_ps_enable)
@@ -788,24 +813,6 @@ static void ath9k_set_hw_capab(struct at
hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
}
-#ifdef CPTCFG_ATH9K_CHANNEL_CONTEXT
-
- if (ath9k_is_chanctx_enabled()) {
- hw->wiphy->interface_modes &= ~ BIT(NL80211_IFTYPE_WDS);
- hw->wiphy->iface_combinations = if_comb_multi;
- hw->wiphy->n_iface_combinations = ARRAY_SIZE(if_comb_multi);
- hw->wiphy->max_scan_ssids = 255;
- hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
- hw->wiphy->max_remain_on_channel_duration = 10000;
- hw->chanctx_data_size = sizeof(void *);
- hw->extra_beacon_tailroom =
- sizeof(struct ieee80211_p2p_noa_attr) + 9;
-
- ath_dbg(common, CHAN_CTX, "Use channel contexts\n");
- }
-
-#endif /* CPTCFG_ATH9K_CHANNEL_CONTEXT */
-
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
@@ -815,12 +822,7 @@ static void ath9k_set_hw_capab(struct at
hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
- /* allow 4 queues per channel context +
- * 1 cab queue + 1 offchannel tx queue
- */
- hw->queues = ATH9K_NUM_TX_QUEUES;
- /* last queue for offchannel */
- hw->offchannel_tx_hw_queue = hw->queues - 1;
+ hw->queues = 4;
hw->max_rates = 4;
hw->max_listen_interval = 10;
hw->max_rate_tries = 10;
@@ -844,6 +846,9 @@ static void ath9k_set_hw_capab(struct at
hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&common->sbands[IEEE80211_BAND_5GHZ];
+#ifdef CPTCFG_ATH9K_CHANNEL_CONTEXT
+ ath9k_set_mcc_capab(sc, hw);
+#endif
ath9k_init_wow(hw);
ath9k_cmn_reload_chainmask(ah);
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1181,6 +1181,9 @@ static void ath9k_assign_hw_queues(struc
{
int i;
+ if (!ath9k_is_chanctx_enabled())
+ return;
+
for (i = 0; i < IEEE80211_NUM_ACS; i++)
vif->hw_queue[i] = i;
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -169,7 +169,10 @@ static void ath_txq_skb_done(struct ath_
if (txq->stopped &&
txq->pending_frames < sc->tx.txq_max_pending[q]) {
- ieee80211_wake_queue(sc->hw, info->hw_queue);
+ if (ath9k_is_chanctx_enabled())
+ ieee80211_wake_queue(sc->hw, info->hw_queue);
+ else
+ ieee80211_wake_queue(sc->hw, q);
txq->stopped = false;
}
}
@@ -2247,7 +2250,10 @@ int ath_tx_start(struct ieee80211_hw *hw
fi->txq = q;
if (++txq->pending_frames > sc->tx.txq_max_pending[q] &&
!txq->stopped) {
- ieee80211_stop_queue(sc->hw, info->hw_queue);
+ if (ath9k_is_chanctx_enabled())
+ ieee80211_stop_queue(sc->hw, info->hw_queue);
+ else
+ ieee80211_stop_queue(sc->hw, q);
txq->stopped = true;
}
}

2
package/kernel/mac80211/patches/501-ath9k_ahb_init.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/init.c --- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -981,23 +981,23 @@ static int __init ath9k_init(void) @@ -986,23 +986,23 @@ static int __init ath9k_init(void)
{ {
int error; int error;

2
package/kernel/mac80211/patches/521-ath9k_cur_txpower.patch
View File

@ -14,7 +14,7 @@
out: out:
spin_unlock_bh(&sc->sc_pcu_lock); spin_unlock_bh(&sc->sc_pcu_lock);
@@ -1470,6 +1474,7 @@ static int ath9k_config(struct ieee80211 @@ -1473,6 +1477,7 @@ static int ath9k_config(struct ieee80211
sc->cur_chan->txpower = 2 * conf->power_level; sc->cur_chan->txpower = 2 * conf->power_level;
ath9k_cmn_update_txpow(ah, sc->curtxpow, ath9k_cmn_update_txpow(ah, sc->curtxpow,
sc->cur_chan->txpower, &sc->curtxpow); sc->cur_chan->txpower, &sc->curtxpow);

2
package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
View File

@ -162,7 +162,7 @@
void ath_fill_led_pin(struct ath_softc *sc) void ath_fill_led_pin(struct ath_softc *sc)
--- a/drivers/net/wireless/ath/ath9k/init.c --- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -894,7 +894,7 @@ int ath9k_init_device(u16 devid, struct @@ -899,7 +899,7 @@ int ath9k_init_device(u16 devid, struct
#ifdef CPTCFG_MAC80211_LEDS #ifdef CPTCFG_MAC80211_LEDS
/* must be initialized before ieee80211_register_hw */ /* must be initialized before ieee80211_register_hw */

4
package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch
View File

@ -65,7 +65,7 @@
} }
static const struct ieee80211_iface_limit if_limits[] = { static const struct ieee80211_iface_limit if_limits[] = {
@@ -851,6 +852,18 @@ static void ath9k_set_hw_capab(struct at @@ -856,6 +857,18 @@ static void ath9k_set_hw_capab(struct at
SET_IEEE80211_PERM_ADDR(hw, common->macaddr); SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
} }
@ -84,7 +84,7 @@
int ath9k_init_device(u16 devid, struct ath_softc *sc, int ath9k_init_device(u16 devid, struct ath_softc *sc,
const struct ath_bus_ops *bus_ops) const struct ath_bus_ops *bus_ops)
{ {
@@ -899,6 +912,8 @@ int ath9k_init_device(u16 devid, struct @@ -904,6 +917,8 @@ int ath9k_init_device(u16 devid, struct
ARRAY_SIZE(ath9k_tpt_blink)); ARRAY_SIZE(ath9k_tpt_blink));
#endif #endif