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authorJuuso Oikarinen <juuso.oikarinen@nokia.com>2009-11-17 19:48:14 +0300
committerJohn W. Linville <linville@tuxdriver.com>2009-11-19 01:09:19 +0300
commit474c48c9f2118e637477b3b1c70003cb5cbda983 (patch)
treec334efac0bc3a46f3ab98e408bea5006e91acc8b /drivers/net
parent15295380f45aa0d35665f6e5596ac98c081d95b9 (diff)
downloadlinux-474c48c9f2118e637477b3b1c70003cb5cbda983.tar.xz
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 <juuso.oikarinen@nokia.com> Signed-off-by: Kalle Valo <kalle.valo@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/wl12xx/wl1251_acx.c29
-rw-r--r--drivers/net/wireless/wl12xx/wl1251_acx.h11
-rw-r--r--drivers/net/wireless/wl12xx/wl1251_init.c5
3 files changed, 45 insertions, 0 deletions
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)