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[PATCH] ipw2200: Enables the "slow diversity" algorithm 

This forces one antenna or the other, if the background noise is
significantly quieter in one than the other. It favors the quieter
antenna, and won't kick in unless the difference is significant.

Signed-off-by: Cahill, Ben M <ben.m.cahill@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Cahill, Ben M 2006-03-08 03:02:27 +08:00 committed by John W. Linville
parent 12977154e7
commit 71de1f3dd1
2 changed files with 2 additions and 1 deletions
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2
drivers/net/wireless/ipw2200.c
View File

@ -9600,7 +9600,7 @@ static void init_sys_config(struct ipw_sys_config *sys_config)
sys_config->disable_unicast_decryption = 1; sys_config->disable_unicast_decryption = 1;
sys_config->exclude_multicast_unencrypted = 0; sys_config->exclude_multicast_unencrypted = 0;
sys_config->disable_multicast_decryption = 1; sys_config->disable_multicast_decryption = 1;
sys_config->antenna_diversity = CFG_SYS_ANTENNA_BOTH; sys_config->antenna_diversity = CFG_SYS_ANTENNA_SLOW_DIV;
sys_config->pass_crc_to_host = 0; /* TODO: See if 1 gives us FCS */ sys_config->pass_crc_to_host = 0; /* TODO: See if 1 gives us FCS */
sys_config->dot11g_auto_detection = 0; sys_config->dot11g_auto_detection = 0;
sys_config->enable_cts_to_self = 0; sys_config->enable_cts_to_self = 0;

1
drivers/net/wireless/ipw2200.h
View File

@ -1895,6 +1895,7 @@ struct ipw_cmd_log {
#define CFG_SYS_ANTENNA_BOTH 0x00 /* NIC selects best antenna */ #define CFG_SYS_ANTENNA_BOTH 0x00 /* NIC selects best antenna */
#define CFG_SYS_ANTENNA_A 0x01 /* force antenna A */ #define CFG_SYS_ANTENNA_A 0x01 /* force antenna A */
#define CFG_SYS_ANTENNA_B 0x03 /* force antenna B */ #define CFG_SYS_ANTENNA_B 0x03 /* force antenna B */
#define CFG_SYS_ANTENNA_SLOW_DIV 0x02 /* consider background noise */
/* /*
* The definitions below were lifted off the ipw2100 driver, which only * The definitions below were lifted off the ipw2100 driver, which only