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[4/7] mwifiex: increase the number of nodes in command pool

Message ID 1397514775-4777-4-git-send-email-bzhao@marvell.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Bing Zhao April 14, 2014, 10:32 p.m. UTC 
From: Amitkumar Karwar <akarwar@marvell.com>

Command nodes are increased from 20 to 50. Now we can always
scan 1 channel per scan command to avoid traffic delay/loss in
connected state. We will get rid of *CHANNEL_PER_SCAN_CMD macros
used due to command node constraints.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
---
 drivers/net/wireless/mwifiex/ioctl.h |  2 +-
 drivers/net/wireless/mwifiex/scan.c  | 17 ++---------------
 2 files changed, 3 insertions(+), 16 deletions(-)
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Patch

diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h
index ee494db..1b57672 100644
--- a/drivers/net/wireless/mwifiex/ioctl.h
+++ b/drivers/net/wireless/mwifiex/ioctl.h
@@ -303,7 +303,7 @@  struct mwifiex_ds_ant_cfg {
 	u32 rx_ant;
 };
 
-#define MWIFIEX_NUM_OF_CMD_BUFFER	20
+#define MWIFIEX_NUM_OF_CMD_BUFFER	50
 #define MWIFIEX_SIZE_OF_CMD_BUFFER	2048
 
 enum {
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 7b3af3d..5c68173 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -29,9 +29,6 @@ 
 #define MWIFIEX_MAX_CHANNELS_PER_SPECIFIC_SCAN   14
 
 #define MWIFIEX_DEF_CHANNELS_PER_SCAN_CMD	4
-#define MWIFIEX_LIMIT_1_CHANNEL_PER_SCAN_CMD	15
-#define MWIFIEX_LIMIT_2_CHANNELS_PER_SCAN_CMD	27
-#define MWIFIEX_LIMIT_3_CHANNELS_PER_SCAN_CMD	35
 
 /* Memory needed to store a max sized Channel List TLV for a firmware scan */
 #define CHAN_TLV_MAX_SIZE  (sizeof(struct mwifiex_ie_types_header)         \
@@ -1055,20 +1052,10 @@  mwifiex_config_scan(struct mwifiex_private *priv,
 
 	/*
 	 * In associated state we will reduce the number of channels scanned per
-	 * scan command to avoid any traffic delay/loss. This number is decided
-	 * based on total number of channels to be scanned due to constraints
-	 * of command buffers.
+	 * scan command to 1 to avoid any traffic delay/loss.
 	 */
-	if (priv->media_connected) {
-		if (chan_num < MWIFIEX_LIMIT_1_CHANNEL_PER_SCAN_CMD)
+	if (priv->media_connected)
 			*max_chan_per_scan = 1;
-		else if (chan_num < MWIFIEX_LIMIT_2_CHANNELS_PER_SCAN_CMD)
-			*max_chan_per_scan = 2;
-		else if (chan_num < MWIFIEX_LIMIT_3_CHANNELS_PER_SCAN_CMD)
-			*max_chan_per_scan = 3;
-		else
-			*max_chan_per_scan = 4;
-	}
 }
 
 /*