752 lines
16 KiB
C
752 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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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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#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 "debug.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 "tx.h"
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#include "io.h"
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#include "hw_ops.h"
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int wl1271_init_templates_config(struct wl1271 *wl)
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{
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int ret, i;
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size_t max_size;
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/* send empty templates for fw memory reservation */
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ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
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wl->scan_templ_id_2_4, 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, WL12XX_INVALID_ROLE_ID,
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wl->scan_templ_id_5,
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NULL, WL1271_CMD_TEMPL_MAX_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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if (wl->quirks & WLCORE_QUIRK_DUAL_PROBE_TMPL) {
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ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
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wl->sched_scan_templ_id_2_4,
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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, WL12XX_INVALID_ROLE_ID,
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wl->sched_scan_templ_id_5,
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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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}
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ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
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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, WL12XX_INVALID_ROLE_ID,
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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, WL12XX_INVALID_ROLE_ID,
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CMD_TEMPL_QOS_NULL_DATA, NULL,
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sizeof
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(struct ieee80211_qos_hdr),
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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, WL12XX_INVALID_ROLE_ID,
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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, WL12XX_INVALID_ROLE_ID,
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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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max_size = sizeof(struct wl12xx_arp_rsp_template) +
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WL1271_EXTRA_SPACE_MAX;
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ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
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CMD_TEMPL_ARP_RSP, NULL,
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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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/*
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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, WL12XX_INVALID_ROLE_ID,
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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, WL12XX_INVALID_ROLE_ID,
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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, WL12XX_INVALID_ROLE_ID,
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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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for (i = 0; i < WLCORE_MAX_KLV_TEMPLATES; i++) {
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ret = wl1271_cmd_template_set(wl, WL12XX_INVALID_ROLE_ID,
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CMD_TEMPL_KLV, NULL,
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sizeof(struct ieee80211_qos_hdr),
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i, 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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struct wl12xx_vif *wlvif)
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{
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struct wl12xx_disconn_template *tmpl;
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int ret;
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u32 rate;
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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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rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
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ret = wl1271_cmd_template_set(wl, wlvif->role_id,
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CMD_TEMPL_DEAUTH_AP,
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tmpl, sizeof(*tmpl), 0, rate);
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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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struct ieee80211_vif *vif)
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{
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struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
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struct ieee80211_hdr_3addr *nullfunc;
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int ret;
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u32 rate;
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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, vif->addr, ETH_ALEN);
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memcpy(nullfunc->addr3, vif->addr, ETH_ALEN);
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rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
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ret = wl1271_cmd_template_set(wl, wlvif->role_id,
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CMD_TEMPL_NULL_DATA, nullfunc,
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sizeof(*nullfunc), 0, rate);
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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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struct ieee80211_vif *vif)
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{
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struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
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struct ieee80211_qos_hdr *qosnull;
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int ret;
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u32 rate;
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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, vif->addr, ETH_ALEN);
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memcpy(qosnull->addr3, vif->addr, ETH_ALEN);
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rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set);
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ret = wl1271_cmd_template_set(wl, wlvif->role_id,
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CMD_TEMPL_QOS_NULL_DATA, qosnull,
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sizeof(*qosnull), 0, rate);
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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 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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static int wl12xx_init_phy_vif_config(struct wl1271 *wl,
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struct wl12xx_vif *wlvif)
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{
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int ret;
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ret = wl1271_acx_slot(wl, wlvif, 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, wlvif);
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if (ret < 0)
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return ret;
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ret = wl1271_acx_rts_threshold(wl, wlvif, 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_sta_beacon_filter(struct wl1271 *wl,
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struct wl12xx_vif *wlvif)
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{
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int ret;
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ret = wl1271_acx_beacon_filter_table(wl, wlvif);
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if (ret < 0)
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return ret;
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/* disable beacon filtering until we get the first beacon */
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ret = wl1271_acx_beacon_filter_opt(wl, wlvif, 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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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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struct wl12xx_vif *wlvif)
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{
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int ret;
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ret = wl1271_acx_bcn_dtim_options(wl, wlvif);
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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 & WLCORE_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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/* generic sta initialization (non vif-specific) */
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int wl1271_sta_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif)
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{
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int ret;
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/* PS config */
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ret = wl12xx_acx_config_ps(wl, wlvif);
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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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ret = wl1271_acx_sta_rate_policies(wl, wlvif);
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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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struct ieee80211_vif *vif)
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{
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struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
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int ret;
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/* disable the keep-alive feature */
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ret = wl1271_acx_keep_alive_mode(wl, wlvif, 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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/* generic ap initialization (non vif-specific) */
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static int wl1271_ap_hw_init(struct wl1271 *wl, struct wl12xx_vif *wlvif)
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{
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int ret;
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ret = wl1271_init_ap_rates(wl, wlvif);
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if (ret < 0)
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return ret;
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/* configure AP sleep, if enabled */
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ret = wlcore_hw_ap_sleep(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_ap_init_templates(struct wl1271 *wl, struct ieee80211_vif *vif)
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{
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struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
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int ret;
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ret = wl1271_ap_init_deauth_template(wl, wlvif);
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if (ret < 0)
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return ret;
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ret = wl1271_ap_init_null_template(wl, vif);
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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, vif);
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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, wlvif, 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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struct ieee80211_vif *vif)
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{
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return wl1271_ap_init_templates(wl, vif);
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}
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int wl1271_init_ap_rates(struct wl1271 *wl, struct wl12xx_vif *wlvif)
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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",
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wlvif->basic_rate_set);
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if (wlvif->basic_rate_set == 0)
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return -EINVAL;
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rc.enabled_rates = wlvif->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, wlvif->ap.mgmt_rate_idx);
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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, wlvif->basic_rate_set);
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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, wlvif->ap.bcast_rate_idx);
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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->ofdm_only_ap && (wlvif->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_ENABLED_RATES;
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/* unconditionally enable HT rates */
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supported_rates |= CONF_TX_MCS_RATES;
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/* get extra MIMO or wide-chan rates where the HW supports it */
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supported_rates |= wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif);
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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,
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wlvif->ap.ucast_rate_idx[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, struct wl12xx_vif *wlvif)
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{
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/* Reset the BA RX indicators */
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wlvif->ba_allowed = true;
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wl->ba_rx_session_count = 0;
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/* BA is supported in STA/AP modes */
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if (wlvif->bss_type != BSS_TYPE_AP_BSS &&
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wlvif->bss_type != BSS_TYPE_STA_BSS) {
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wlvif->ba_support = false;
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return 0;
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}
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wlvif->ba_support = true;
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/* 802.11n initiator BA session setting */
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return wl12xx_acx_set_ba_initiator_policy(wl, wlvif);
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}
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/* vif-specifc initialization */
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static int wl12xx_init_sta_role(struct wl1271 *wl, struct wl12xx_vif *wlvif)
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{
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int ret;
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ret = wl1271_acx_group_address_tbl(wl, wlvif, 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, wlvif, false);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Beacon filtering */
|
|
ret = wl1271_init_sta_beacon_filter(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Beacons and broadcast settings */
|
|
ret = wl1271_init_beacon_broadcast(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Configure rssi/snr averaging weights */
|
|
ret = wl1271_acx_rssi_snr_avg_weights(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* vif-specific initialization */
|
|
static int wl12xx_init_ap_role(struct wl1271 *wl, struct wl12xx_vif *wlvif)
|
|
{
|
|
int ret;
|
|
|
|
ret = wl1271_acx_ap_max_tx_retry(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* initialize Tx power */
|
|
ret = wl1271_acx_tx_power(wl, wlvif, wlvif->power_level);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (wl->radar_debug_mode)
|
|
wlcore_cmd_generic_cfg(wl, wlvif,
|
|
WLCORE_CFG_FEATURE_RADAR_DEBUG,
|
|
wl->radar_debug_mode, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int wl1271_init_vif_specific(struct wl1271 *wl, struct ieee80211_vif *vif)
|
|
{
|
|
struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
|
|
struct conf_tx_ac_category *conf_ac;
|
|
struct conf_tx_tid *conf_tid;
|
|
bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS);
|
|
int ret, i;
|
|
|
|
/* consider all existing roles before configuring psm. */
|
|
|
|
if (wl->ap_count == 0 && is_ap) { /* first AP */
|
|
ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* unmask ap events */
|
|
wl->event_mask |= wl->ap_event_mask;
|
|
ret = wl1271_event_unmask(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
/* first STA, no APs */
|
|
} else if (wl->sta_count == 0 && wl->ap_count == 0 && !is_ap) {
|
|
u8 sta_auth = wl->conf.conn.sta_sleep_auth;
|
|
/* Configure for power according to debugfs */
|
|
if (sta_auth != WL1271_PSM_ILLEGAL)
|
|
ret = wl1271_acx_sleep_auth(wl, sta_auth);
|
|
/* Configure for ELP power saving */
|
|
else
|
|
ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_ELP);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
/* Mode specific init */
|
|
if (is_ap) {
|
|
ret = wl1271_ap_hw_init(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = wl12xx_init_ap_role(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
} else {
|
|
ret = wl1271_sta_hw_init(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = wl12xx_init_sta_role(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
wl12xx_init_phy_vif_config(wl, wlvif);
|
|
|
|
/* 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, wlvif, conf_ac->ac,
|
|
conf_ac->cw_min, conf_ac->cw_max,
|
|
conf_ac->aifsn, conf_ac->tx_op_limit);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
conf_tid = &wl->conf.tx.tid_conf[i];
|
|
ret = wl1271_acx_tid_cfg(wl, wlvif,
|
|
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)
|
|
return ret;
|
|
}
|
|
|
|
/* Configure HW encryption */
|
|
ret = wl1271_acx_feature_cfg(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Mode specific init - post mem init */
|
|
if (is_ap)
|
|
ret = wl1271_ap_hw_init_post_mem(wl, vif);
|
|
else
|
|
ret = wl1271_sta_hw_init_post_mem(wl, vif);
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Configure initiator BA sessions policies */
|
|
ret = wl1271_set_ba_policies(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = wlcore_hw_init_vif(wl, wlvif);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int wl1271_hw_init(struct wl1271 *wl)
|
|
{
|
|
int ret;
|
|
|
|
/* Chip-specific hw init */
|
|
ret = wl->ops->hw_init(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Init templates */
|
|
ret = wl1271_init_templates_config(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = wl12xx_acx_mem_cfg(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Configure the FW logger */
|
|
ret = wl12xx_init_fwlog(wl);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = wlcore_cmd_regdomain_config_locked(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;
|
|
|
|
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;
|
|
|
|
/* Enable data path */
|
|
ret = wl1271_cmd_data_path(wl, 1);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* configure PM */
|
|
ret = wl1271_acx_pm_config(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
ret = wl12xx_acx_set_rate_mgmt_params(wl);
|
|
if (ret < 0)
|
|
goto out_free_memmap;
|
|
|
|
/* configure hangover */
|
|
ret = wl12xx_acx_config_hangover(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;
|
|
}
|