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From: Zhu Yi <yi.zhu@intel.com>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org,
	Tomas Winkler <tomas.winkler@intel.com>,
	Gregory Greenman <gregory.greenman@intel.com>,
	Zhu Yi <yi.zhu@intel.com>
Subject: [PATCH 16/28] iwlwifi: Endianity fix for beacon host command
Date: Wed,  8 Aug 2007 15:33:33 +0800	[thread overview]
Message-ID: <11865584631842-git-send-email-yi.zhu@intel.com> (raw)
In-Reply-To: <11865584603865-git-send-email-yi.zhu@intel.com>

From: Tomas Winkler <tomas.winkler@intel.com>

This patch fixes endianity issues in beacon host command

Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
---
 drivers/net/wireless/iwl-3945.c |    9 +++++----
 drivers/net/wireless/iwl-4965.c |    9 +++++----
 drivers/net/wireless/iwl-base.c |    8 +++++---
 drivers/net/wireless/iwlwifi.h  |    8 ++++----
 4 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/drivers/net/wireless/iwl-3945.c b/drivers/net/wireless/iwl-3945.c
index c4441db..d209873 100644
--- a/drivers/net/wireless/iwl-3945.c
+++ b/drivers/net/wireless/iwl-3945.c
@@ -2232,24 +2232,25 @@ int iwl_hw_set_hw_setting(struct iwl_priv *priv)
 	return 0;
 }
 
-int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
+unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
 			  struct iwl_frame *frame, u8 rate)
 {
 	struct iwl_tx_beacon_cmd *tx_beacon_cmd;
-	int frame_size;
+	unsigned int frame_size;
 
 	tx_beacon_cmd = (struct iwl_tx_beacon_cmd *)&frame->u;
 	memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
 
 	tx_beacon_cmd->tx.sta_id = IWL_BROADCAST_ID;
-	tx_beacon_cmd->tx.stop_time.life_time = 0xFFFFFFFF;
+	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 
 	frame_size = iwl_fill_beacon_frame(priv,
 				tx_beacon_cmd->frame,
 				BROADCAST_ADDR,
 				sizeof(frame->u) - sizeof(*tx_beacon_cmd));
 
-	tx_beacon_cmd->tx.len = frame_size;
+	BUG_ON(frame_size > MAX_MPDU_SIZE);
+	tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
 
 	tx_beacon_cmd->tx.rate = rate;
 	tx_beacon_cmd->tx.tx_flags = (TX_CMD_FLG_SEQ_CTL_MSK |
diff --git a/drivers/net/wireless/iwl-4965.c b/drivers/net/wireless/iwl-4965.c
index 5999be5..e907f06 100644
--- a/drivers/net/wireless/iwl-4965.c
+++ b/drivers/net/wireless/iwl-4965.c
@@ -2695,24 +2695,25 @@ int iwl_hw_get_temperature(struct iwl_priv *priv)
 	return priv->temperature;
 }
 
-int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
+unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
 			  struct iwl_frame *frame, u8 rate)
 {
 	struct iwl_tx_beacon_cmd *tx_beacon_cmd;
-	int frame_size;
+	unsigned int frame_size;
 
 	tx_beacon_cmd = &frame->u.beacon;
 	memset(tx_beacon_cmd, 0, sizeof(*tx_beacon_cmd));
 
 	tx_beacon_cmd->tx.sta_id = IWL_BROADCAST_ID;
-	tx_beacon_cmd->tx.stop_time.life_time = 0xFFFFFFFF;
+	tx_beacon_cmd->tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
 
 	frame_size = iwl_fill_beacon_frame(priv,
 				tx_beacon_cmd->frame,
 				BROADCAST_ADDR,
 				sizeof(frame->u) - sizeof(*tx_beacon_cmd));
 
-	tx_beacon_cmd->tx.len = frame_size;
+	BUG_ON(frame_size > MAX_MPDU_SIZE);
+	tx_beacon_cmd->tx.len = cpu_to_le16((u16)frame_size);
 
 	if ((rate == IWL_RATE_1M_PLCP) || (rate >= IWL_RATE_2M_PLCP))
 		tx_beacon_cmd->tx.rate_n_flags =
diff --git a/drivers/net/wireless/iwl-base.c b/drivers/net/wireless/iwl-base.c
index 25931f5..8f19494 100644
--- a/drivers/net/wireless/iwl-base.c
+++ b/drivers/net/wireless/iwl-base.c
@@ -1481,8 +1481,9 @@ static void iwl_free_frame(struct iwl_priv *priv, struct iwl_frame *frame)
 	list_add(&frame->list, &priv->free_frames);
 }
 
-int iwl_fill_beacon_frame(struct iwl_priv *priv, struct ieee80211_hdr *hdr,
-			  const u8 *dest, int left)
+unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
+				struct ieee80211_hdr *hdr,
+				const u8 *dest, int left)
 {
 
 	if (!iwl_is_associated(priv) || !priv->ibss_beacon ||
@@ -1501,7 +1502,8 @@ int iwl_fill_beacon_frame(struct iwl_priv *priv, struct ieee80211_hdr *hdr,
 static int iwl_send_beacon_cmd(struct iwl_priv *priv)
 {
 	struct iwl_frame *frame;
-	int frame_size, rc;
+	unsigned int frame_size;
+	int rc;
 	u8 rate;
 
 	frame = iwl_get_free_frame(priv);
diff --git a/drivers/net/wireless/iwlwifi.h b/drivers/net/wireless/iwlwifi.h
index be94217..6fea9a4 100644
--- a/drivers/net/wireless/iwlwifi.h
+++ b/drivers/net/wireless/iwlwifi.h
@@ -630,9 +630,9 @@ extern int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len,
 			    const void *data);
 extern int __must_check iwl_send_cmd(struct iwl_priv *priv,
 				     struct iwl_host_cmd *cmd);
-extern int iwl_fill_beacon_frame(struct iwl_priv *priv,
-				 struct ieee80211_hdr *hdr, const u8 *dest,
-				 int left);
+extern unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
+					struct ieee80211_hdr *hdr,
+					const u8 *dest, int left);
 extern int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
 					 struct iwl_rx_queue *q);
 extern int iwl_send_statistics_request(struct iwl_priv *priv);
@@ -692,7 +692,7 @@ extern int iwl_tx_queue_free_tfd(struct iwl_priv *priv,
 				 struct iwl_tx_queue *txq);
 extern int iwl_hw_tx_queue_init(struct iwl_priv *priv,
 				struct iwl_tx_queue *txq);
-extern int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
+extern unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
 				 struct iwl_frame *frame, u8 rate);
 extern int iwl_hw_get_rx_read(struct iwl_priv *priv);
 extern void iwl_hw_build_tx_cmd_rate(struct iwl_priv *priv,
-- 
1.5.2

  reply	other threads:[~2007-08-08  7:37 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <11865584251026-git-send-email-yi.zhu@intel.com>
2007-08-08  7:33 ` [PATCH 01/28] iwlwifi: fix a lot of checkpatch.pl warnings Zhu Yi
2007-08-08  7:33   ` [PATCH 02/28] iwlwifi: add more Kconfig options Zhu Yi
2007-08-08  7:33     ` [PATCH 03/28] iwlwifi: Endianity fix for 4965 rate scaling Zhu Yi
2007-08-08  7:33       ` [PATCH 04/28] iwlwifi: Endianity fix for 4965 rx chain selection Zhu Yi
2007-08-08  7:33         ` [PATCH 05/28] iwlwifi: optimize iwl_queue_{inc|dec}_wrap implementation Zhu Yi
2007-08-08  7:33           ` [PATCH 06/28] iwlwifi: use mask operation to replace '%' for index calculation Zhu Yi
2007-08-08  7:33             ` [PATCH 07/28] iwlwifi: make local functions static Zhu Yi
2007-08-08  7:33               ` [PATCH 08/28] iwlwifi: some coding styles cleanup Zhu Yi
2007-08-08  7:33                 ` [PATCH 09/28] iwlwifi: replace unnecessary GFP_ATOMIC with GFP_KERNEL Zhu Yi
2007-08-08  7:33                   ` [PATCH 10/28] iwlwifi: remove priv stuff zeroing in iwl_pci_probe Zhu Yi
2007-08-08  7:33                     ` [PATCH 11/28] iwlwifi: add name for some PCI configuration space registers Zhu Yi
2007-08-08  7:33                       ` [PATCH 12/28] iwlwifi: shorten some structure and function names Zhu Yi
2007-08-08  7:33                         ` [PATCH 13/28] iwlwifi: define iwl_rx_reply_scan only when CONFIG_IWLWIFI_DEBUG enabled Zhu Yi
2007-08-08  7:33                           ` [PATCH 14/28] iwlwifi: remove redundant quotes Zhu Yi
2007-08-08  7:33                             ` [PATCH 15/28] iwlwifi: Endianity fix for rxon host commands Zhu Yi
2007-08-08  7:33                               ` Zhu Yi [this message]
2007-08-08  7:33                                 ` [PATCH 17/28] iwlwifi: Endianity fix for channel number Zhu Yi
2007-08-08  7:33                                   ` [PATCH 18/28] iwlwifi: shorten more function names Zhu Yi
2007-08-08  7:33                                     ` [PATCH 19/28] iwlwifi: make iwl_get_bits inline function from macro Zhu Yi
2007-08-08  7:33                                       ` [PATCH 20/28] iwlwifi: remove BIT_FMT and BIT_ARG Zhu Yi
2007-08-08  7:33                                         ` [PATCH 21/28] iwlwifi: remove WLAN_FC_GET_TYPE macros Zhu Yi
2007-08-08  7:33                                           ` [PATCH 22/28] iwlwifi: replace private snprint_line with common hex_dump_xxx Zhu Yi
2007-08-08  7:33                                             ` [PATCH 23/28] iwlwifi: Endianity fix for frame control Zhu Yi
2007-08-08  7:33                                               ` [PATCH 24/28] iwlwifi: Endianity fix for ct kill configuration Zhu Yi
2007-08-08  7:33                                                 ` [PATCH 25/28] iwlwifi: remove unused snprint_line Zhu Yi
2007-08-08  7:33                                                   ` [PATCH 26/28] iwlwifi: Enhance ISR/RX/CMD debug messages Zhu Yi
2007-08-08  7:33                                                     ` [PATCH 27/28] iwlwifi: Correct missing hardware detection in iwl_isr() Zhu Yi
2007-08-08  7:33                                                       ` [PATCH 28/28] iwlwifi: Streamline irq_tasklet() when ISR debug not used Zhu Yi

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