715 lines
15 KiB
C
715 lines
15 KiB
C
/*
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* This file is part of wl1271
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*
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* Copyright (C) 2009 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include "init.h"
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#include "wl12xx_80211.h"
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#include "acx.h"
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#include "cmd.h"
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#include "reg.h"
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#include "tx.h"
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#include "io.h"
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int wl1271_sta_init_templates_config(struct wl1271 *wl)
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{
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int ret, i;
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/* send empty templates for fw memory reservation */
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4, NULL,
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WL1271_CMD_TEMPL_DFLT_SIZE,
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
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NULL, WL1271_CMD_TEMPL_DFLT_SIZE, 0,
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WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
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sizeof(struct wl12xx_null_data_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, NULL,
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sizeof(struct wl12xx_ps_poll_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
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sizeof
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(struct wl12xx_qos_null_data_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PROBE_RESPONSE, NULL,
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WL1271_CMD_TEMPL_DFLT_SIZE,
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_BEACON, NULL,
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WL1271_CMD_TEMPL_DFLT_SIZE,
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP, NULL,
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sizeof
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(struct wl12xx_arp_rsp_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV, NULL,
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WL1271_CMD_TEMPL_DFLT_SIZE, i,
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WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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static int wl1271_ap_init_deauth_template(struct wl1271 *wl)
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{
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struct wl12xx_disconn_template *tmpl;
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int ret;
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tmpl = kzalloc(sizeof(*tmpl), GFP_KERNEL);
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if (!tmpl) {
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ret = -ENOMEM;
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goto out;
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}
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tmpl->header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_MGMT |
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IEEE80211_STYPE_DEAUTH);
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP,
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tmpl, sizeof(*tmpl), 0,
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wl1271_tx_min_rate_get(wl));
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out:
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kfree(tmpl);
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return ret;
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}
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static int wl1271_ap_init_null_template(struct wl1271 *wl)
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{
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struct ieee80211_hdr_3addr *nullfunc;
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int ret;
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nullfunc = kzalloc(sizeof(*nullfunc), GFP_KERNEL);
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if (!nullfunc) {
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ret = -ENOMEM;
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goto out;
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}
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nullfunc->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
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IEEE80211_STYPE_NULLFUNC |
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IEEE80211_FCTL_FROMDS);
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/* nullfunc->addr1 is filled by FW */
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memcpy(nullfunc->addr2, wl->mac_addr, ETH_ALEN);
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memcpy(nullfunc->addr3, wl->mac_addr, ETH_ALEN);
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, nullfunc,
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sizeof(*nullfunc), 0,
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wl1271_tx_min_rate_get(wl));
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out:
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kfree(nullfunc);
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return ret;
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}
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static int wl1271_ap_init_qos_null_template(struct wl1271 *wl)
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{
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struct ieee80211_qos_hdr *qosnull;
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int ret;
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qosnull = kzalloc(sizeof(*qosnull), GFP_KERNEL);
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if (!qosnull) {
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ret = -ENOMEM;
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goto out;
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}
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qosnull->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
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IEEE80211_STYPE_QOS_NULLFUNC |
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IEEE80211_FCTL_FROMDS);
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/* qosnull->addr1 is filled by FW */
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memcpy(qosnull->addr2, wl->mac_addr, ETH_ALEN);
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memcpy(qosnull->addr3, wl->mac_addr, ETH_ALEN);
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, qosnull,
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sizeof(*qosnull), 0,
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wl1271_tx_min_rate_get(wl));
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out:
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kfree(qosnull);
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return ret;
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}
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static int wl1271_ap_init_templates_config(struct wl1271 *wl)
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{
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int ret;
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/*
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* Put very large empty placeholders for all templates. These
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* reserve memory for later.
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*/
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_PROBE_RESPONSE, NULL,
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WL1271_CMD_TEMPL_MAX_SIZE,
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_AP_BEACON, NULL,
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WL1271_CMD_TEMPL_MAX_SIZE,
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_DEAUTH_AP, NULL,
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sizeof
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(struct wl12xx_disconn_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, NULL,
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sizeof(struct wl12xx_null_data_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, NULL,
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sizeof
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(struct wl12xx_qos_null_data_template),
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0, WL1271_RATE_AUTOMATIC);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl12xx_init_rx_config(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_acx_rx_msdu_life_time(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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int wl1271_init_phy_config(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_acx_pd_threshold(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_slot(wl, DEFAULT_SLOT_TIME);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_service_period_timeout(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_rts_threshold(wl, wl->hw->wiphy->rts_threshold);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_init_beacon_filter(struct wl1271 *wl)
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{
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int ret;
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/* disable beacon filtering at this stage */
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ret = wl1271_acx_beacon_filter_opt(wl, false);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_beacon_filter_table(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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int wl1271_init_pta(struct wl1271 *wl)
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{
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int ret;
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ret = wl12xx_acx_sg_cfg(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_sg_enable(wl, wl->sg_enabled);
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if (ret < 0)
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return ret;
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return 0;
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}
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int wl1271_init_energy_detection(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_acx_cca_threshold(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_init_beacon_broadcast(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_acx_bcn_dtim_options(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl12xx_init_fwlog(struct wl1271 *wl)
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{
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int ret;
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if (wl->quirks & WL12XX_QUIRK_FWLOG_NOT_IMPLEMENTED)
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return 0;
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ret = wl12xx_cmd_config_fwlog(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_sta_hw_init(struct wl1271 *wl)
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{
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int ret;
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if (wl->chip.id != CHIP_ID_1283_PG20) {
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ret = wl1271_cmd_ext_radio_parms(wl);
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if (ret < 0)
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return ret;
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}
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/* PS config */
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ret = wl1271_acx_config_ps(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_sta_init_templates_config(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_group_address_tbl(wl, true, NULL, 0);
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if (ret < 0)
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return ret;
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/* Initialize connection monitoring thresholds */
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ret = wl1271_acx_conn_monit_params(wl, false);
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if (ret < 0)
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return ret;
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/* Beacon filtering */
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ret = wl1271_init_beacon_filter(wl);
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if (ret < 0)
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return ret;
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/* FM WLAN coexistence */
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ret = wl1271_acx_fm_coex(wl);
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if (ret < 0)
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return ret;
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/* Beacons and broadcast settings */
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ret = wl1271_init_beacon_broadcast(wl);
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if (ret < 0)
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return ret;
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/* Configure for ELP power saving */
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ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
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if (ret < 0)
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return ret;
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/* Configure rssi/snr averaging weights */
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ret = wl1271_acx_rssi_snr_avg_weights(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_sta_rate_policies(wl);
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if (ret < 0)
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return ret;
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ret = wl12xx_acx_mem_cfg(wl);
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if (ret < 0)
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return ret;
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/* Configure the FW logger */
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ret = wl12xx_init_fwlog(wl);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_sta_hw_init_post_mem(struct wl1271 *wl)
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{
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int ret, i;
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/* disable all keep-alive templates */
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for (i = 0; i < CMD_TEMPL_KLV_IDX_MAX; i++) {
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ret = wl1271_acx_keep_alive_config(wl, i,
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ACX_KEEP_ALIVE_TPL_INVALID);
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if (ret < 0)
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return ret;
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}
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/* disable the keep-alive feature */
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ret = wl1271_acx_keep_alive_mode(wl, false);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_ap_hw_init(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_ap_init_templates_config(wl);
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if (ret < 0)
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return ret;
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/* Configure for power always on */
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ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM);
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if (ret < 0)
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return ret;
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ret = wl1271_init_ap_rates(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_ap_max_tx_retry(wl);
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if (ret < 0)
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return ret;
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ret = wl12xx_acx_mem_cfg(wl);
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if (ret < 0)
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return ret;
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/* initialize Tx power */
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ret = wl1271_acx_tx_power(wl, wl->power_level);
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if (ret < 0)
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return ret;
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return 0;
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}
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int wl1271_ap_init_templates(struct wl1271 *wl)
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{
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int ret;
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ret = wl1271_ap_init_deauth_template(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_ap_init_null_template(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_ap_init_qos_null_template(wl);
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if (ret < 0)
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return ret;
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/*
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* when operating as AP we want to receive external beacons for
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* configuring ERP protection.
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*/
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ret = wl1271_acx_beacon_filter_opt(wl, false);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int wl1271_ap_hw_init_post_mem(struct wl1271 *wl)
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{
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return wl1271_ap_init_templates(wl);
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}
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int wl1271_init_ap_rates(struct wl1271 *wl)
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{
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int i, ret;
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struct conf_tx_rate_class rc;
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u32 supported_rates;
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wl1271_debug(DEBUG_AP, "AP basic rate set: 0x%x", wl->basic_rate_set);
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if (wl->basic_rate_set == 0)
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return -EINVAL;
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rc.enabled_rates = wl->basic_rate_set;
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rc.long_retry_limit = 10;
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rc.short_retry_limit = 10;
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rc.aflags = 0;
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ret = wl1271_acx_ap_rate_policy(wl, &rc, ACX_TX_AP_MODE_MGMT_RATE);
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if (ret < 0)
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return ret;
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/* use the min basic rate for AP broadcast/multicast */
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rc.enabled_rates = wl1271_tx_min_rate_get(wl);
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rc.short_retry_limit = 10;
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rc.long_retry_limit = 10;
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rc.aflags = 0;
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ret = wl1271_acx_ap_rate_policy(wl, &rc, ACX_TX_AP_MODE_BCST_RATE);
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if (ret < 0)
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return ret;
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/*
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* If the basic rates contain OFDM rates, use OFDM only
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* rates for unicast TX as well. Else use all supported rates.
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*/
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if ((wl->basic_rate_set & CONF_TX_OFDM_RATES))
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supported_rates = CONF_TX_OFDM_RATES;
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else
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supported_rates = CONF_TX_AP_ENABLED_RATES;
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/* configure unicast TX rate classes */
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for (i = 0; i < wl->conf.tx.ac_conf_count; i++) {
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rc.enabled_rates = supported_rates;
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rc.short_retry_limit = 10;
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rc.long_retry_limit = 10;
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rc.aflags = 0;
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ret = wl1271_acx_ap_rate_policy(wl, &rc, i);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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static int wl1271_set_ba_policies(struct wl1271 *wl)
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{
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/* Reset the BA RX indicators */
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wl->ba_rx_bitmap = 0;
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wl->ba_allowed = true;
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wl->ba_rx_session_count = 0;
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|
|
/* BA is supported in STA/AP modes */
|
|
if (wl->bss_type != BSS_TYPE_AP_BSS &&
|
|
wl->bss_type != BSS_TYPE_STA_BSS) {
|
|
wl->ba_support = false;
|
|
return 0;
|
|
}
|
|
|
|
wl->ba_support = true;
|
|
|
|
/* 802.11n initiator BA session setting */
|
|
return wl12xx_acx_set_ba_initiator_policy(wl);
|
|
}
|
|
|
|
int wl1271_chip_specific_init(struct wl1271 *wl)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (wl->chip.id == CHIP_ID_1283_PG20) {
|
|
u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE;
|
|
|
|
if (wl->quirks & WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT)
|
|
/* Enable SDIO padding */
|
|
host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK;
|
|
|
|
/* Must be before wl1271_acx_init_mem_config() */
|
|
ret = wl1271_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap);
|
|
if (ret < 0)
|
|
goto out;
|
|
}
|
|
out:
|
|
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);
|
|
|
|
if (wl->chip.id == CHIP_ID_1283_PG20)
|
|
ret = wl128x_cmd_general_parms(wl);
|
|
else
|
|
ret = wl1271_cmd_general_parms(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (wl->chip.id == CHIP_ID_1283_PG20)
|
|
ret = wl128x_cmd_radio_parms(wl);
|
|
else
|
|
ret = wl1271_cmd_radio_parms(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Chip-specific init */
|
|
ret = wl1271_chip_specific_init(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);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Bluetooth WLAN coexistence */
|
|
ret = wl1271_init_pta(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Default memory configuration */
|
|
ret = wl1271_acx_init_mem_config(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* RX config */
|
|
ret = wl12xx_init_rx_config(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* PHY layer config */
|
|
ret = wl1271_init_phy_config(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
ret = wl1271_acx_dco_itrim_params(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Configure TX patch complete interrupt behavior */
|
|
ret = wl1271_acx_tx_config_options(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* RX complete interrupt pacing */
|
|
ret = wl1271_acx_init_rx_interrupt(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Energy detection */
|
|
ret = wl1271_init_energy_detection(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Default fragmentation threshold */
|
|
ret = wl1271_acx_frag_threshold(wl, wl->hw->wiphy->frag_threshold);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Default TID/AC configuration */
|
|
BUG_ON(wl->conf.tx.tid_conf_count != wl->conf.tx.ac_conf_count);
|
|
for (i = 0; i < wl->conf.tx.tid_conf_count; i++) {
|
|
conf_ac = &wl->conf.tx.ac_conf[i];
|
|
ret = wl1271_acx_ac_cfg(wl, conf_ac->ac, conf_ac->cw_min,
|
|
conf_ac->cw_max, conf_ac->aifsn,
|
|
conf_ac->tx_op_limit);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
conf_tid = &wl->conf.tx.tid_conf[i];
|
|
ret = wl1271_acx_tid_cfg(wl, conf_tid->queue_id,
|
|
conf_tid->channel_type,
|
|
conf_tid->tsid,
|
|
conf_tid->ps_scheme,
|
|
conf_tid->ack_policy,
|
|
conf_tid->apsd_conf[0],
|
|
conf_tid->apsd_conf[1]);
|
|
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 HW encryption */
|
|
ret = wl1271_acx_feature_cfg(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* configure PM */
|
|
ret = wl1271_acx_pm_config(wl);
|
|
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);
|
|
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
ret = wl12xx_acx_set_rate_mgmt_params(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* Configure initiator BA sessions policies */
|
|
ret = wl1271_set_ba_policies(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
return 0;
|
|
|
|
out_free_memmap:
|
|
kfree(wl->target_mem_map);
|
|
wl->target_mem_map = NULL;
|
|
|
|
return ret;
|
|
}
|