From 474c48c9f2118e637477b3b1c70003cb5cbda983 Mon Sep 17 00:00:00 2001 From: Juuso Oikarinen Date: Tue, 17 Nov 2009 18:48:14 +0200 Subject: wl1251: Add connection monitoring configuration Add configuration for connection monitor (number of allowed beacons, and timeout after last received beacon.) Signed-off-by: Juuso Oikarinen Signed-off-by: Kalle Valo Signed-off-by: John W. Linville --- drivers/net/wireless/wl12xx/wl1251_acx.c | 29 +++++++++++++++++++++++++++++ drivers/net/wireless/wl12xx/wl1251_acx.h | 11 +++++++++++ drivers/net/wireless/wl12xx/wl1251_init.c | 5 +++++ 3 files changed, 45 insertions(+) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.c b/drivers/net/wireless/wl12xx/wl1251_acx.c index 10b26c4532c9..4a9c70889a45 100644 --- a/drivers/net/wireless/wl12xx/wl1251_acx.c +++ b/drivers/net/wireless/wl12xx/wl1251_acx.c @@ -550,6 +550,35 @@ out: return ret; } +int wl1251_acx_conn_monit_params(struct wl1251 *wl) +{ + struct acx_conn_monit_params *acx; + int ret; + + wl1251_debug(DEBUG_ACX, "acx connection monitor parameters"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->synch_fail_thold = SYNCH_FAIL_DEFAULT_THRESHOLD; + acx->bss_lose_timeout = NO_BEACON_DEFAULT_TIMEOUT; + + ret = wl1251_cmd_configure(wl, ACX_CONN_MONIT_PARAMS, + acx, sizeof(*acx)); + if (ret < 0) { + wl1251_warning("failed to set connection monitor " + "parameters: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} + int wl1251_acx_sg_enable(struct wl1251 *wl) { struct acx_bt_wlan_coex *pta; diff --git a/drivers/net/wireless/wl12xx/wl1251_acx.h b/drivers/net/wireless/wl12xx/wl1251_acx.h index cafb91459504..926789ccc27f 100644 --- a/drivers/net/wireless/wl12xx/wl1251_acx.h +++ b/drivers/net/wireless/wl12xx/wl1251_acx.h @@ -458,6 +458,16 @@ struct acx_beacon_filter_ie_table { u8 pad[3]; } __attribute__ ((packed)); +#define SYNCH_FAIL_DEFAULT_THRESHOLD 5 /* number of beacons */ +#define NO_BEACON_DEFAULT_TIMEOUT (100) /* TU */ + +struct acx_conn_monit_params { + struct acx_header header; + + u32 synch_fail_thold; /* number of beacons missed */ + u32 bss_lose_timeout; /* number of TU's from synch fail */ +}; + enum { SG_ENABLE = 0, SG_DISABLE, @@ -1275,6 +1285,7 @@ int wl1251_acx_service_period_timeout(struct wl1251 *wl); int wl1251_acx_rts_threshold(struct wl1251 *wl, u16 rts_threshold); int wl1251_acx_beacon_filter_opt(struct wl1251 *wl); int wl1251_acx_beacon_filter_table(struct wl1251 *wl); +int wl1251_acx_conn_monit_params(struct wl1251 *wl); int wl1251_acx_sg_enable(struct wl1251 *wl); int wl1251_acx_sg_cfg(struct wl1251 *wl); int wl1251_acx_cca_threshold(struct wl1251 *wl); diff --git a/drivers/net/wireless/wl12xx/wl1251_init.c b/drivers/net/wireless/wl12xx/wl1251_init.c index b2ee4f468fc4..035ab1140b43 100644 --- a/drivers/net/wireless/wl12xx/wl1251_init.c +++ b/drivers/net/wireless/wl12xx/wl1251_init.c @@ -364,6 +364,11 @@ int wl1251_hw_init(struct wl1251 *wl) if (ret < 0) goto out_free_data_path; + /* Initialize connection monitoring thresholds */ + ret = wl1251_acx_conn_monit_params(wl); + if (ret < 0) + goto out_free_data_path; + /* Beacon filtering */ ret = wl1251_hw_init_beacon_filter(wl); if (ret < 0) -- cgit v1.2.3