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Commit b5413e6b authored by Amitkumar Karwar's avatar Amitkumar Karwar Committed by John W. Linville
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mwifiex: increase the number of nodes in command pool 



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: default avatarAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: default avatarAvinash Patil <patila@marvell.com>
Signed-off-by: default avatarBing Zhao <bzhao@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b2a13a25

drivers/net/wireless/mwifiex/ioctl.h

+1 −1
Original line number Diff line number Diff line
@@ -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 {

drivers/net/wireless/mwifiex/scan.c

+2 −15
Original line number Diff line number Diff line
@@ -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;

	}

}



/*