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authorFelix Fietkau <nbd@openwrt.org>2015-09-24 15:02:15 +0000
committerFelix Fietkau <nbd@openwrt.org>2015-09-24 15:02:15 +0000
commit6e97442105366adb25aa32c35d2fc97e29145064 (patch)
tree62b3f7a1f734a818237534ab6e2e66510e936a66 /package/kernel/mac80211
parent528d38b4e9e878f1a180a8eb2966d4fc53cc0883 (diff)
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ath9k: fix handling of tx headroom for padding (fixes #20556)
Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 47042
Diffstat (limited to 'package/kernel/mac80211')
-rw-r--r--package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch22
-rw-r--r--package/kernel/mac80211/patches/501-ath9k_ahb_init.patch2
-rw-r--r--package/kernel/mac80211/patches/530-ath9k_extra_leds.patch2
-rw-r--r--package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch4
4 files changed, 26 insertions, 4 deletions
diff --git a/package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch b/package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch
new file mode 100644
index 0000000000..4d88591828
--- /dev/null
+++ b/package/kernel/mac80211/patches/336-ath9k-declare-required-extra-tx-headroom.patch
@@ -0,0 +1,22 @@
+From: Felix Fietkau <nbd@openwrt.org>
+Date: Thu, 24 Sep 2015 16:57:37 +0200
+Subject: [PATCH] ath9k: declare required extra tx headroom
+
+ath9k inserts padding between the 802.11 header and the data area (to
+align it). Since it didn't declare this extra required headroom, this
+led to some nasty issues like randomly dropped packets in some setups.
+
+Cc: stable@vger.kernel.org
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+
+--- a/drivers/net/wireless/ath/ath9k/init.c
++++ b/drivers/net/wireless/ath/ath9k/init.c
+@@ -875,6 +875,7 @@ static void ath9k_set_hw_capab(struct at
+ hw->max_rate_tries = 10;
+ hw->sta_data_size = sizeof(struct ath_node);
+ hw->vif_data_size = sizeof(struct ath_vif);
++ hw->extra_tx_headroom = 4;
+
+ hw->wiphy->available_antennas_rx = BIT(ah->caps.max_rxchains) - 1;
+ hw->wiphy->available_antennas_tx = BIT(ah->caps.max_txchains) - 1;
diff --git a/package/kernel/mac80211/patches/501-ath9k_ahb_init.patch b/package/kernel/mac80211/patches/501-ath9k_ahb_init.patch
index b4e9762969..5a3e37cebd 100644
--- a/package/kernel/mac80211/patches/501-ath9k_ahb_init.patch
+++ b/package/kernel/mac80211/patches/501-ath9k_ahb_init.patch
@@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
-@@ -1031,23 +1031,23 @@ static int __init ath9k_init(void)
+@@ -1032,23 +1032,23 @@ static int __init ath9k_init(void)
{
int error;
diff --git a/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch b/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
index 8aab45aa30..3cfffa03e4 100644
--- a/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
+++ b/package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
@@ -165,7 +165,7 @@
void ath_fill_led_pin(struct ath_softc *sc)
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
-@@ -943,7 +943,7 @@ int ath9k_init_device(u16 devid, struct
+@@ -944,7 +944,7 @@ int ath9k_init_device(u16 devid, struct
#ifdef CPTCFG_MAC80211_LEDS
/* must be initialized before ieee80211_register_hw */
diff --git a/package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch b/package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch
index 49b6367424..fddaf562d5 100644
--- a/package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch
+++ b/package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch
@@ -65,7 +65,7 @@
}
static const struct ieee80211_iface_limit if_limits[] = {
-@@ -903,6 +904,18 @@ static void ath9k_set_hw_capab(struct at
+@@ -904,6 +905,18 @@ static void ath9k_set_hw_capab(struct at
SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
}
@@ -84,7 +84,7 @@
int ath9k_init_device(u16 devid, struct ath_softc *sc,
const struct ath_bus_ops *bus_ops)
{
-@@ -948,6 +961,8 @@ int ath9k_init_device(u16 devid, struct
+@@ -949,6 +962,8 @@ int ath9k_init_device(u16 devid, struct
ARRAY_SIZE(ath9k_tpt_blink));
#endif