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authorJuuso Oikarinen <juuso.oikarinen@nokia.com>2009-10-08 22:56:33 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-10-27 23:47:53 +0300
commit344152361e6d14ade61d7f43678db7418cb445db (patch)
treebd887b29b38639cf390ee8b011f0d2a8b346c30b /drivers/net/wireless
parent1fba49741dc50d13d2fe6cf04f5a547e6c5c81f6 (diff)
downloadlinux-344152361e6d14ade61d7f43678db7418cb445db.tar.xz
wl1271: 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> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_acx.c30
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_acx.h11
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_init.c6
3 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index a457123442a7..4b5fd94921c9 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -442,6 +442,36 @@ out:
return ret;
}
+int wl1271_acx_conn_monit_params(struct wl1271 *wl)
+{
+ struct acx_conn_monit_params *acx;
+ int ret;
+
+ wl1271_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 = wl1271_cmd_configure(wl, ACX_CONN_MONIT_PARAMS,
+ acx, sizeof(*acx));
+ if (ret < 0) {
+ wl1271_warning("failed to set connection monitor "
+ "parameters: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(acx);
+ return ret;
+}
+
+
int wl1271_acx_sg_enable(struct wl1271 *wl)
{
struct acx_bt_wlan_coex *pta;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index dae1fed66b30..bb21bcbe1638 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -406,6 +406,16 @@ 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,
@@ -1198,6 +1208,7 @@ int wl1271_acx_service_period_timeout(struct wl1271 *wl);
int wl1271_acx_rts_threshold(struct wl1271 *wl, u16 rts_threshold);
int wl1271_acx_beacon_filter_opt(struct wl1271 *wl);
int wl1271_acx_beacon_filter_table(struct wl1271 *wl);
+int wl1271_acx_conn_monit_params(struct wl1271 *wl);
int wl1271_acx_sg_enable(struct wl1271 *wl);
int wl1271_acx_sg_cfg(struct wl1271 *wl);
int wl1271_acx_cca_threshold(struct wl1271 *wl);
diff --git a/drivers/net/wireless/wl12xx/wl1271_init.c b/drivers/net/wireless/wl12xx/wl1271_init.c
index 49ff4071c0bc..d3db3fba41d4 100644
--- a/drivers/net/wireless/wl12xx/wl1271_init.c
+++ b/drivers/net/wireless/wl12xx/wl1271_init.c
@@ -323,6 +323,11 @@ int wl1271_hw_init(struct wl1271 *wl)
if (ret < 0)
goto out_free_memmap;
+ /* Initialize connection monitoring thresholds */
+ ret = wl1271_acx_conn_monit_params(wl);
+ if (ret < 0)
+ goto out_free_memmap;
+
/* Beacon filtering */
ret = wl1271_init_beacon_filter(wl);
if (ret < 0)
@@ -392,6 +397,7 @@ int wl1271_hw_init(struct wl1271 *wl)
out_free_memmap:
kfree(wl->target_mem_map);
+ wl->target_mem_map = NULL;
return ret;
}