From c21eebb50379a96e1335e933583dcd5b455c6b64 Mon Sep 17 00:00:00 2001
From: Eyal Shapira <eyal@wizery.com>
Date: Wed, 14 Mar 2012 06:32:08 +0200
Subject: [PATCH] wl12xx: add RX filters ACX commands
More prep work for wowlan patterns.
Added ACXs to set global RX filter behavior and
enable or disable a specific filter.
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
---
drivers/net/wireless/ti/wlcore/acx.c | 79 +++++++++++++++++++++++++
drivers/net/wireless/ti/wlcore/acx.h | 30 ++++++++++
drivers/net/wireless/ti/wlcore/wl12xx.h | 1 +
3 files changed, 110 insertions(+)
diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c
index 5912541a925ef..0fd78a0b6666b 100644
--- a/drivers/net/wireless/ti/wlcore/acx.c
+++ b/drivers/net/wireless/ti/wlcore/acx.c
@@ -1714,3 +1714,82 @@ int wl12xx_acx_config_hangover(struct wl1271 *wl)
return ret;
}
+
+/* Set the global behaviour of RX filters - On/Off + default action */
+int wl1271_acx_default_rx_filter_enable(struct wl1271 *wl, bool enable,
+ enum rx_filter_action action)
+{
+ struct acx_default_rx_filter *acx;
+ int ret;
+
+ wl1271_debug(DEBUG_ACX, "acx default rx filter en: %d act: %d",
+ enable, action);
+
+ acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+ if (!acx)
+ return -ENOMEM;
+
+ acx->enable = enable;
+ acx->default_action = action;
+
+ ret = wl1271_cmd_configure(wl, ACX_ENABLE_RX_DATA_FILTER, acx,
+ sizeof(*acx));
+ if (ret < 0) {
+ wl1271_warning("acx default rx filter enable failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(acx);
+ return ret;
+}
+
+/* Configure or disable a specific RX filter pattern */
+int wl1271_acx_set_rx_filter(struct wl1271 *wl, u8 index, bool enable,
+ struct wl12xx_rx_filter *filter)
+{
+ struct acx_rx_filter_cfg *acx;
+ int fields_size = 0;
+ int acx_size;
+ int ret;
+
+ WARN_ON(enable && !filter);
+ WARN_ON(index >= WL1271_MAX_RX_FILTERS);
+
+ wl1271_debug(DEBUG_ACX, "acx set rx filter idx: %d enable: %d"
+ "filter: 0x%x", index, enable, (unsigned int)filter);
+
+ if (enable) {
+ fields_size = wl1271_rx_filter_get_fields_size(filter);
+
+ wl1271_debug(DEBUG_ACX, "act: %d num_fields: %d field_size: %d",
+ filter->action, filter->num_fields, fields_size);
+ }
+
+ acx_size = ALIGN(sizeof(*acx) + fields_size, 4);
+ acx = kzalloc(acx_size, GFP_KERNEL);
+
+ if (!acx)
+ return -ENOMEM;
+
+ acx->enable = enable;
+ acx->index = index;
+
+ if (enable) {
+ acx->num_fields = filter->num_fields;
+ acx->action = filter->action;
+ wl1271_rx_filter_flatten_fields(filter, acx->fields);
+ }
+
+ wl1271_dump(DEBUG_ACX, "RX_FILTER: ", acx, acx_size);
+
+ ret = wl1271_cmd_configure(wl, ACX_SET_RX_DATA_FILTER, acx, acx_size);
+ if (ret < 0) {
+ wl1271_warning("setting rx filter failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(acx);
+ return ret;
+}
diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h
index b2f88831b7a98..8106b2ebfe607 100644
--- a/drivers/net/wireless/ti/wlcore/acx.h
+++ b/drivers/net/wireless/ti/wlcore/acx.h
@@ -1147,6 +1147,32 @@ struct wl12xx_acx_config_hangover {
u8 padding[2];
} __packed;
+
+struct acx_default_rx_filter {
+ struct acx_header header;
+ u8 enable;
+
+ /* action of type FILTER_XXX */
+ u8 default_action;
+
+ u8 pad[2];
+} __packed;
+
+
+struct acx_rx_filter_cfg {
+ struct acx_header header;
+
+ u8 enable;
+
+ /* 0 - WL1271_MAX_RX_FILTERS-1 */
+ u8 index;
+
+ u8 action;
+
+ u8 num_fields;
+ u8 fields[0];
+} __packed;
+
enum {
ACX_WAKE_UP_CONDITIONS = 0x0000,
ACX_MEM_CFG = 0x0001,
@@ -1304,5 +1330,9 @@ int wl1271_acx_set_inconnection_sta(struct wl1271 *wl, u8 *addr);
int wl1271_acx_fm_coex(struct wl1271 *wl);
int wl12xx_acx_set_rate_mgmt_params(struct wl1271 *wl);
int wl12xx_acx_config_hangover(struct wl1271 *wl);
+int wl1271_acx_default_rx_filter_enable(struct wl1271 *wl, bool enable,
+ enum rx_filter_action action);
+int wl1271_acx_set_rx_filter(struct wl1271 *wl, u8 index, bool enable,
+ struct wl12xx_rx_filter *filter);
#endif /* __WL1271_ACX_H__ */
diff --git a/drivers/net/wireless/ti/wlcore/wl12xx.h b/drivers/net/wireless/ti/wlcore/wl12xx.h
index 8ca1fe0d8eb91..12558cf3437b1 100644
--- a/drivers/net/wireless/ti/wlcore/wl12xx.h
+++ b/drivers/net/wireless/ti/wlcore/wl12xx.h
@@ -279,6 +279,7 @@ struct wl1271_link {
u8 ba_bitmap;
};
+#define WL1271_MAX_RX_FILTERS 5
#define WL1271_RX_FILTER_MAX_FIELDS 8
enum rx_filter_action {
FILTER_DROP = 0,
--
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