diff options
| author | Eyal Shapira <eyal@wizery.com> | 2012-02-02 15:54:28 +0400 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2012-02-15 10:38:35 +0400 |
| commit | d647f2dd1a445f5a683372f1b47919fe92c19896 (patch) | |
| tree | 0aab06854d18e0f9b538cd2b60cf22bbb09c91f2 /drivers/net/wireless/wl12xx | |
| parent | c08e371a683021cfb99632db799bea9b69d176e5 (diff) | |
| download | linux-d647f2dd1a445f5a683372f1b47919fe92c19896.tar.xz | |
wl12xx: use split scan for normal scan
Split scan allows the FW to schedule other activities
during a scan which may be a long operation. This is
achieved by setting a trigger TID to ANY_TID and a scan
trigger timeout other than 0. The default one is set to 50ms.
Signed-off-by: Eyal Shapira <eyal@wizey.com>
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx')
| -rw-r--r-- | drivers/net/wireless/wl12xx/conf.h | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/scan.c | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/wl12xx/scan.h | 2 |
4 files changed, 15 insertions, 4 deletions
diff --git a/drivers/net/wireless/wl12xx/conf.h b/drivers/net/wireless/wl12xx/conf.h index 823535cdf150..cc50faaf03d1 100644 --- a/drivers/net/wireless/wl12xx/conf.h +++ b/drivers/net/wireless/wl12xx/conf.h @@ -1082,6 +1082,14 @@ struct conf_scan_settings { */ u16 num_probe_reqs; + /* + * Scan trigger (split scan) timeout. The FW will split the scan + * operation into slices of the given time and allow the FW to schedule + * other tasks in between. + * + * Range: u32 Microsecs + */ + u32 split_scan_timeout; }; struct conf_sched_scan_settings { diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 253847ff344b..723df48ed447 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -272,6 +272,7 @@ static struct conf_drv_settings default_conf = { .min_dwell_time_passive = 100000, .max_dwell_time_passive = 100000, .num_probe_reqs = 2, + .split_scan_timeout = 50000, }, .sched_scan = { /* sched_scan requires dwell times in TU instead of TU/1000 */ diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index e3566ca90f0d..e43a6b2c1d91 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -172,6 +172,9 @@ static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif, goto out; } + if (wl->conf.scan.split_scan_timeout) + scan_options |= WL1271_SCAN_OPT_SPLIT_SCAN; + if (passive) scan_options |= WL1271_SCAN_OPT_PASSIVE; @@ -198,7 +201,7 @@ static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif, cmd->params.tx_rate = cpu_to_le32(basic_rate); cmd->params.n_probe_reqs = wl->conf.scan.num_probe_reqs; - cmd->params.tid_trigger = 0; + cmd->params.tid_trigger = CONF_TX_AC_ANY_TID; cmd->params.scan_tag = WL1271_SCAN_DEFAULT_TAG; if (band == IEEE80211_BAND_2GHZ) @@ -223,8 +226,7 @@ static int wl1271_scan_send(struct wl1271 *wl, struct ieee80211_vif *vif, goto out; } - /* disable the timeout */ - trigger->timeout = 0; + trigger->timeout = cpu_to_le32(wl->conf.scan.split_scan_timeout); ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, sizeof(*trigger), 0); if (ret < 0) { diff --git a/drivers/net/wireless/wl12xx/scan.h b/drivers/net/wireless/wl12xx/scan.h index a7ed43dc08c9..96ff457a3a0b 100644 --- a/drivers/net/wireless/wl12xx/scan.h +++ b/drivers/net/wireless/wl12xx/scan.h @@ -48,7 +48,7 @@ void wl1271_scan_sched_scan_results(struct wl1271 *wl); #define WL1271_SCAN_CURRENT_TX_PWR 0 #define WL1271_SCAN_OPT_ACTIVE 0 #define WL1271_SCAN_OPT_PASSIVE 1 -#define WL1271_SCAN_OPT_TRIGGERED_SCAN 2 +#define WL1271_SCAN_OPT_SPLIT_SCAN 2 #define WL1271_SCAN_OPT_PRIORITY_HIGH 4 /* scan even if we fail to enter psm */ #define WL1271_SCAN_OPT_FORCE 8 |