1 files changed, 329 insertions, 71 deletions

diff --git a/drivers/net/wireless/wl12xx/init.c b/drivers/net/wireless/wl12xx/init.c
index 785a530..6072fe4 100644
--- a/drivers/net/wireless/wl12xx/init.c
+++ b/drivers/net/wireless/wl12xx/init.c
@@ -30,27 +30,9 @@
 #include "acx.h"
 #include "cmd.h"
 #include "reg.h"
+#include "tx.h"
 
-static int wl1271_init_hwenc_config(struct wl1271 *wl)
-{
-	int ret;
-
-	ret = wl1271_acx_feature_cfg(wl);
-	if (ret < 0) {
-		wl1271_warning("couldn't set feature config");
-		return ret;
-	}
-
-	ret = wl1271_cmd_set_default_wep_key(wl, wl->default_key);
-	if (ret < 0) {
-		wl1271_warning("couldn't set default key");
-		return ret;
-	}
-
-	return 0;
-}
-
-int wl1271_init_templates_config(struct wl1271 *wl)
+int wl1271_sta_init_templates_config(struct wl1271 *wl)
 {
 	int ret, i;
 
@@ -118,6 +100,132 @@ int wl1271_init_templates_config(struct wl1271 *wl)
 	return 0;
 }
 
+static int wl1271_ap_init_deauth_template(struct wl1271 *wl)
+{
+	struct wl12xx_disconn_template *tmpl;
+	int ret;
+
+	tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL);
+	if (!tmpl) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+					     IEEE80211_STYPE_DEAUTH);
+
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP,
+				      tmpl, sizeof(*tmpl), 0,
+				      wl1271_tx_min_rate_get(wl));
+
+out:
+	kfree(tmpl);
+	return ret;
+}
+
+static int wl1271_ap_init_null_template(struct wl1271 *wl)
+{
+	struct ieee80211_hdr_3addr *nullfunc;
+	int ret;
+
+	nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL);
+	if (!nullfunc) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+					      IEEE80211_STYPE_NULLFUNC |
+					      IEEE80211_FCTL_FROMDS);
+
+	/* nullfunc->addr1 is filled by FW */
+
+	memcpy(nullfunc->addr2, wl->mac_addr, ETH_ALEN);
+	memcpy(nullfunc->addr3, wl->mac_addr, ETH_ALEN);
+
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, nullfunc,
+				      sizeof(*nullfunc), 0,
+				      wl1271_tx_min_rate_get(wl));
+
+out:
+	kfree(nullfunc);
+	return ret;
+}
+
+static int wl1271_ap_init_qos_null_template(struct wl1271 *wl)
+{
+	struct ieee80211_qos_hdr *qosnull;
+	int ret;
+
+	qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL);
+	if (!qosnull) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+					     IEEE80211_STYPE_QOS_NULLFUNC |
+					     IEEE80211_FCTL_FROMDS);
+
+	/* qosnull->addr1 is filled by FW */
+
+	memcpy(qosnull->addr2, wl->mac_addr, ETH_ALEN);
+	memcpy(qosnull->addr3, wl->mac_addr, ETH_ALEN);
+
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, qosnull,
+				      sizeof(*qosnull), 0,
+				      wl1271_tx_min_rate_get(wl));
+
+out:
+	kfree(qosnull);
+	return ret;
+}
+
+static int wl1271_ap_init_templates_config(struct wl1271 *wl)
+{
+	int ret;
+
+	/*
+	 * Put very large empty placeholders for all templates. These
+	 * reserve memory for later.
+	 */
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_PROBE_RESPONSE, NULL,
+				      sizeof
+				      (struct wl12xx_probe_resp_template),
+				      0, WL1271_RATE_AUTOMATIC);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_BEACON, NULL,
+				      sizeof
+				      (struct wl12xx_beacon_template),
+				      0, WL1271_RATE_AUTOMATIC);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP, NULL,
+				      sizeof
+				      (struct wl12xx_disconn_template),
+				      0, WL1271_RATE_AUTOMATIC);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
+				      sizeof(struct wl12xx_null_data_template),
+				      0, WL1271_RATE_AUTOMATIC);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
+				      sizeof
+				      (struct wl12xx_qos_null_data_template),
+				      0, WL1271_RATE_AUTOMATIC);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
 static int wl1271_init_rx_config(struct wl1271 *wl, u32 config, u32 filter)
 {
 	int ret;
@@ -145,10 +253,6 @@ int wl1271_init_phy_config(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
-	ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
-	if (ret < 0)
-		return ret;
-
 	ret = wl1271_acx_service_period_timeout(wl);
 	if (ret < 0)
 		return ret;
@@ -213,11 +317,199 @@ static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
 	return 0;
 }
 
+static int wl1271_sta_hw_init(struct wl1271 *wl)
+{
+	int ret;
+
+	ret = wl1271_cmd_ext_radio_parms(wl);
+	if (ret < 0)
+		return ret;
+
+	/* PS config */
+	ret = wl1271_acx_config_ps(wl);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_sta_init_templates_config(wl);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
+	if (ret < 0)
+		return ret;
+
+	/* Initialize connection monitoring thresholds */
+	ret = wl1271_acx_conn_monit_params(wl, false);
+	if (ret < 0)
+		return ret;
+
+	/* Beacon filtering */
+	ret = wl1271_init_beacon_filter(wl);
+	if (ret < 0)
+		return ret;
+
+	/* Bluetooth WLAN coexistence */
+	ret = wl1271_init_pta(wl);
+	if (ret < 0)
+		return ret;
+
+	/* Beacons and broadcast settings */
+	ret = wl1271_init_beacon_broadcast(wl);
+	if (ret < 0)
+		return ret;
+
+	/* Configure for ELP power saving */
+	ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
+	if (ret < 0)
+		return ret;
+
+	/* Configure rssi/snr averaging weights */
+	ret = wl1271_acx_rssi_snr_avg_weights(wl);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_acx_sta_rate_policies(wl);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_acx_sta_mem_cfg(wl);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl)
+{
+	int ret, i;
+
+	ret = wl1271_cmd_set_sta_default_wep_key(wl, wl->default_key);
+	if (ret < 0) {
+		wl1271_warning("couldn't set default key");
+		return ret;
+	}
+
+	/* disable all keep-alive templates */
+	for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
+		ret = wl1271_acx_keep_alive_config(wl, i,
+						   ACX_KEEP_ALIVE_TPL_INVALID);
+		if (ret < 0)
+			return ret;
+	}
+
+	/* disable the keep-alive feature */
+	ret = wl1271_acx_keep_alive_mode(wl, false);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int wl1271_ap_hw_init(struct wl1271 *wl)
+{
+	int ret, i;
+
+	ret = wl1271_ap_init_templates_config(wl);
+	if (ret < 0)
+		return ret;
+
+	/* Configure for power always on */
+	ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
+	if (ret < 0)
+		return ret;
+
+	/* Configure initial TX rate classes */
+	for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
+		ret = wl1271_acx_ap_rate_policy(wl,
+				&wl->conf.tx.ap_rc_conf[i], i);
+		if (ret < 0)
+			return ret;
+	}
+
+	ret = wl1271_acx_ap_rate_policy(wl,
+					&wl->conf.tx.ap_mgmt_conf,
+					ACX_TX_AP_MODE_MGMT_RATE);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_acx_ap_rate_policy(wl,
+					&wl->conf.tx.ap_bcst_conf,
+					ACX_TX_AP_MODE_BCST_RATE);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_acx_max_tx_retry(wl);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_acx_ap_mem_cfg(wl);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl)
+{
+	int ret;
+
+	ret = wl1271_ap_init_deauth_template(wl);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_ap_init_null_template(wl);
+	if (ret < 0)
+		return ret;
+
+	ret = wl1271_ap_init_qos_null_template(wl);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static void wl1271_check_ba_support(struct wl1271 *wl)
+{
+	/* validate FW cose ver x.x.x.50-60.x */
+	if ((wl->chip.fw_ver[3] >= WL12XX_BA_SUPPORT_FW_COST_VER2_START) &&
+	    (wl->chip.fw_ver[3] < WL12XX_BA_SUPPORT_FW_COST_VER2_END)) {
+		wl->ba_support = true;
+		return;
+	}
+
+	wl->ba_support = false;
+}
+
+static int wl1271_set_ba_policies(struct wl1271 *wl)
+{
+	u8 tid_index;
+	int ret = 0;
+
+	/* Reset the BA RX indicators */
+	wl->ba_rx_bitmap = 0;
+
+	/* validate that FW support BA */
+	wl1271_check_ba_support(wl);
+
+	if (wl->ba_support)
+		/* 802.11n initiator BA session setting */
+		for (tid_index = 0; tid_index < CONF_TX_MAX_TID_COUNT;
+		     ++tid_index) {
+			ret = wl1271_acx_set_ba_session(wl, WLAN_BACK_INITIATOR,
+							tid_index, true);
+			if (ret < 0)
+				break;
+		}
+
+	return ret;
+}
+
 int wl1271_hw_init(struct wl1271 *wl)
 {
 	struct conf_tx_ac_category *conf_ac;
 	struct conf_tx_tid *conf_tid;
 	int ret, i;
+	bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
 
 	ret = wl1271_cmd_general_parms(wl);
 	if (ret < 0)
@@ -227,12 +519,12 @@ int wl1271_hw_init(struct wl1271 *wl)
 	if (ret < 0)
 		return ret;
 
-	ret = wl1271_cmd_ext_radio_parms(wl);
-	if (ret < 0)
-		return ret;
+	/* Mode specific init */
+	if (is_ap)
+		ret = wl1271_ap_hw_init(wl);
+	else
+		ret = wl1271_sta_hw_init(wl);
 
-	/* Template settings */
-	ret = wl1271_init_templates_config(wl);
 	if (ret < 0)
 		return ret;
 
@@ -259,16 +551,6 @@ 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, false);
-	if (ret < 0)
-		goto out_free_memmap;
-
-	/* Beacon filtering */
-	ret = wl1271_init_beacon_filter(wl);
-	if (ret < 0)
-		goto out_free_memmap;
-
 	/* Configure TX patch complete interrupt behavior */
 	ret = wl1271_acx_tx_config_options(wl);
 	if (ret < 0)
@@ -279,21 +561,11 @@ int wl1271_hw_init(struct wl1271 *wl)
 	if (ret < 0)
 		goto out_free_memmap;
 
-	/* Bluetooth WLAN coexistence */
-	ret = wl1271_init_pta(wl);
-	if (ret < 0)
-		goto out_free_memmap;
-
 	/* Energy detection */
 	ret = wl1271_init_energy_detection(wl);
 	if (ret < 0)
 		goto out_free_memmap;
 
-	/* Beacons and boradcast settings */
-	ret = wl1271_init_beacon_broadcast(wl);
-	if (ret < 0)
-		goto out_free_memmap;
-
 	/* Default fragmentation threshold */
 	ret = wl1271_acx_frag_threshold(wl, wl->conf.tx.frag_threshold);
 	if (ret < 0)
@@ -321,23 +593,13 @@ int wl1271_hw_init(struct wl1271 *wl)
 			goto out_free_memmap;
 	}
 
-	/* Configure TX rate classes */
-	ret = wl1271_acx_rate_policies(wl);
-	if (ret < 0)
-		goto out_free_memmap;
-
 	/* Enable data path */
 	ret = wl1271_cmd_data_path(wl, 1);
 	if (ret < 0)
 		goto out_free_memmap;
 
-	/* Configure for ELP power saving */
-	ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
-	if (ret < 0)
-		goto out_free_memmap;
-
 	/* Configure HW encryption */
-	ret = wl1271_init_hwenc_config(wl);
+	ret = wl1271_acx_feature_cfg(wl);
 	if (ret < 0)
 		goto out_free_memmap;
 
@@ -346,21 +608,17 @@ int wl1271_hw_init(struct wl1271 *wl)
 	if (ret < 0)
 		goto out_free_memmap;
 
-	/* disable all keep-alive templates */
-	for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
-		ret = wl1271_acx_keep_alive_config(wl, i,
-						   ACX_KEEP_ALIVE_TPL_INVALID);
-		if (ret < 0)
-			goto out_free_memmap;
-	}
+	/* Mode specific init - post mem init */
+	if (is_ap)
+		ret = wl1271_ap_hw_init_post_mem(wl);
+	else
+		ret = wl1271_sta_hw_init_post_mem(wl);
 
-	/* disable the keep-alive feature */
-	ret = wl1271_acx_keep_alive_mode(wl, false);
 	if (ret < 0)
 		goto out_free_memmap;
 
-	/* Configure rssi/snr averaging weights */
-	ret = wl1271_acx_rssi_snr_avg_weights(wl);
+	/* Configure initiator BA sessions policies */
+	ret = wl1271_set_ba_policies(wl);
 	if (ret < 0)
 		goto out_free_memmap;