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From: Ivo van Doorn <ivdoorn@gmail.com>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org, users@rt2x00.serialmonkey.com
Subject: [PATCH 16/17] rt2x00: Pad beacon to multiple of 32 bits.
Date: Mon, 13 Dec 2010 12:39:12 +0100	[thread overview]
Message-ID: <201012131239.13818.IvDoorn@gmail.com> (raw)
In-Reply-To: <201012131238.50510.IvDoorn@gmail.com>

From: Wolfgang Kufner <wolfgang.kufner@gmail.com>

Pad beacon to a multiple of 32 bits in preparation for the change
from memcpy_toio() to __iowrite32_copy() in register_multiwrite().

Signed-off-by: Wolfgang Kufner <wolfgang.kufner@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
 drivers/net/wireless/rt2x00/rt2800lib.c |    9 ++++++---
 drivers/net/wireless/rt2x00/rt61pci.c   |    8 ++++++--
 drivers/net/wireless/rt2x00/rt73usb.c   |    9 ++++++---
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index b7de1a5..54917a2 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -772,6 +772,7 @@ void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	unsigned int beacon_base;
+	unsigned int padding_len;
 	u32 reg;
 
 	/*
@@ -806,11 +807,13 @@ void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
 	rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
 
 	/*
-	 * Write entire beacon with TXWI to register.
+	 * Write entire beacon with TXWI and padding to register.
 	 */
+	padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
+	skb_pad(entry->skb, padding_len);
 	beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
-	rt2800_register_multiwrite(rt2x00dev, beacon_base,
-				   entry->skb->data, entry->skb->len);
+	rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
+				   entry->skb->len + padding_len);
 
 	/*
 	 * Enable beaconing again.
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 9405b10..8de44dd 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -1961,6 +1961,7 @@ static void rt61pci_write_beacon(struct queue_entry *entry,
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	struct queue_entry_priv_pci *entry_priv = entry->priv_data;
 	unsigned int beacon_base;
+	unsigned int padding_len;
 	u32 reg;
 
 	/*
@@ -1982,13 +1983,16 @@ static void rt61pci_write_beacon(struct queue_entry *entry,
 	rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
 
 	/*
-	 * Write entire beacon with descriptor to register.
+	 * Write entire beacon with descriptor and padding to register.
 	 */
+	padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
+	skb_pad(entry->skb, padding_len);
 	beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
 	rt2x00pci_register_multiwrite(rt2x00dev, beacon_base,
 				      entry_priv->desc, TXINFO_SIZE);
 	rt2x00pci_register_multiwrite(rt2x00dev, beacon_base + TXINFO_SIZE,
-				      entry->skb->data, entry->skb->len);
+				      entry->skb->data,
+				      entry->skb->len + padding_len);
 
 	/*
 	 * Enable beaconing again.
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 0b3959b..0b4e859 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1546,6 +1546,7 @@ static void rt73usb_write_beacon(struct queue_entry *entry,
 {
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	unsigned int beacon_base;
+	unsigned int padding_len;
 	u32 reg;
 
 	/*
@@ -1573,11 +1574,13 @@ static void rt73usb_write_beacon(struct queue_entry *entry,
 	rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
 
 	/*
-	 * Write entire beacon with descriptor to register.
+	 * Write entire beacon with descriptor and padding to register.
 	 */
+	padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
+	skb_pad(entry->skb, padding_len);
 	beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
-	rt2x00usb_register_multiwrite(rt2x00dev, beacon_base,
-				      entry->skb->data, entry->skb->len);
+	rt2x00usb_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
+				      entry->skb->len + padding_len);
 
 	/*
 	 * Enable beaconing again.
-- 
1.7.2.3


  reply	other threads:[~2010-12-13 11:40 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-13 11:31 [PATCH 01/17] rt2x00: Add rt2800 EEPROM definition Ivo van Doorn
2010-12-13 11:31 ` [PATCH 02/17] rt2x00: Implement get_survey callback for rt2800 Ivo van Doorn
2010-12-13 11:32   ` [PATCH 03/17] rt2x00: Add RF chip definition Ivo van Doorn
2010-12-13 11:32     ` [PATCH 04/17] rt2x00: fix hang when unplugging USB device in use Ivo van Doorn
2010-12-13 11:33       ` [PATCH 05/17] rt2x00: Ensure TX-ed frames are returned in the original state Ivo van Doorn
2010-12-13 11:33         ` [PATCH 06/17] rt2x00: Don't frequently reset beacon interval in AdHoc mode Ivo van Doorn
2010-12-13 11:34           ` [PATCH 07/17] rt2x00: trivial: add missing \n on warnings Ivo van Doorn
2010-12-13 11:34             ` [PATCH 08/17] rt2x00: Introduce 3 queue commands in drivers (start, kick, stop) Ivo van Doorn
2010-12-13 11:34               ` [PATCH 09/17] rt2x00: Reorganize queue callback functions Ivo van Doorn
2010-12-13 11:35                 ` [PATCH 10/17] rt2x00: Protect queue control with mutex Ivo van Doorn
2010-12-13 11:35                   ` [PATCH 11/17] rt2x00: Add "flush" queue command Ivo van Doorn
2010-12-13 11:36                     ` [PATCH 12/17] rt2x00: Cleanup RX index counting Ivo van Doorn
2010-12-13 11:36                       ` [PATCH 13/17] rt2x00: Introduce extra queue entry sanity flag Ivo van Doorn
2010-12-13 11:36                         ` [PATCH 14/17] rt2x00: Fix WMM Queue naming Ivo van Doorn
2010-12-13 11:38                           ` [PATCH 15/17] rt2x00: remove stray semicolon Ivo van Doorn
2010-12-13 11:39                             ` Ivo van Doorn [this message]
2010-12-13 11:39                               ` [PATCH 17/17] rt2x00: Fix firmware loading regression on x86_64 Ivo van Doorn
2010-12-14 17:49                           ` [PATCH 14/17] rt2x00: Fix WMM Queue naming Helmut Schaa
2010-12-14 18:44                             ` Ivo Van Doorn
2010-12-14 18:57                               ` Helmut Schaa
2010-12-14 19:24                               ` Johannes Stezenbach
2010-12-15 16:38                                 ` Ivo Van Doorn
2010-12-13 12:27       ` [PATCH 04/17] rt2x00: fix hang when unplugging USB device in use Walter Goldens
2010-12-13 12:36         ` Ivo Van Doorn
2010-12-13 13:16           ` Walter Goldens
2010-12-16 13:04             ` Walter Goldens
2010-12-16 14:10               ` wimaxd daemon bug Alexander Khryukin
2010-12-17 13:58                 ` Alexander Khryukin
2010-12-16 20:43               ` [PATCH 04/17] rt2x00: fix hang when unplugging USB device in use Ivo Van Doorn
2010-12-17 11:56                 ` Walter Goldens
2010-12-17 15:02                   ` Johannes Stezenbach
2010-12-17 16:33                     ` Walter Goldens

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