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Diffstat (limited to 'drivers/staging/brcm80211/sys/wl_mac80211.c')
-rw-r--r--drivers/staging/brcm80211/sys/wl_mac80211.c2382
1 files changed, 2382 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/sys/wl_mac80211.c b/drivers/staging/brcm80211/sys/wl_mac80211.c
new file mode 100644
index 0000000..ad635ee
--- /dev/null
+++ b/drivers/staging/brcm80211/sys/wl_mac80211.c
@@ -0,0 +1,2382 @@
+/*
+ * Copyright (c) 2010 Broadcom Corporation
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define __UNDEF_NO_VERSION__
+
+#include <linux/kernel.h>
+#include <linux/etherdevice.h>
+#include <linux/string.h>
+#include <linux/pci_ids.h>
+#include <bcmdefs.h>
+#include <linuxver.h>
+#include <osl.h>
+#define WLC_MAXBSSCFG 1 /* single BSS configs */
+
+#include <wlc_cfg.h>
+#include <net/mac80211.h>
+#include <epivers.h>
+#ifndef WLC_HIGH_ONLY
+#include <phy_version.h>
+#endif
+#include <bcmutils.h>
+#include <pcicfg.h>
+#include <wlioctl.h>
+#include <wlc_key.h>
+#include <wlc_channel.h>
+#include <wlc_pub.h>
+#include <wlc_scb.h>
+#include <wl_dbg.h>
+#ifdef BCMSDIO
+#include <bcmsdh.h>
+#endif
+#include <wl_export.h>
+#ifdef WLC_HIGH_ONLY
+#include "dbus.h"
+#include "bcm_rpc_tp.h"
+#include "bcm_rpc.h"
+#include "bcm_xdr.h"
+#include "wlc_rpc.h"
+#endif
+
+#include <wl_mac80211.h>
+#include <linux/firmware.h>
+#ifndef WLC_HIGH_ONLY
+#include <wl_ucode.h>
+#include <d11ucode_ext.h>
+#endif
+
+#ifdef BCMSDIO
+extern struct device *sdiommc_dev;
+#endif
+
+extern void wlc_wme_setparams(wlc_info_t *wlc, u16 aci, void *arg,
+ bool suspend);
+bool wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw);
+void wlc_mac_bcn_promisc_change(wlc_info_t *wlc, bool promisc);
+void wlc_set_addrmatch(wlc_info_t *wlc, int match_reg_offset,
+ const struct ether_addr *addr);
+
+static void wl_timer(unsigned long data);
+static void _wl_timer(wl_timer_t *t);
+
+#ifdef WLC_HIGH_ONLY
+#define RPCQ_LOCK(_wl, _flags) spin_lock_irqsave(&(_wl)->rpcq_lock, (_flags))
+#define RPCQ_UNLOCK(_wl, _flags) spin_unlock_irqrestore(&(_wl)->rpcq_lock, (_flags))
+#define TXQ_LOCK(_wl, _flags) spin_lock_irqsave(&(_wl)->txq_lock, (_flags))
+#define TXQ_UNLOCK(_wl, _flags) spin_unlock_irqrestore(&(_wl)->txq_lock, (_flags))
+static void wl_rpc_down(void *wlh);
+static void wl_rpcq_free(wl_info_t *wl);
+static void wl_rpcq_dispatch(struct wl_task *task);
+static void wl_rpc_dispatch_schedule(void *ctx, struct rpc_buf *buf);
+static void wl_start_txqwork(struct wl_task *task);
+static void wl_txq_free(wl_info_t *wl);
+static void wl_timer_task(wl_task_t *task);
+static int wl_schedule_task(wl_info_t *wl, void (*fn) (struct wl_task *),
+ void *context);
+#endif /* WLC_HIGH_ONLY */
+
+static int ieee_hw_init(struct ieee80211_hw *hw);
+static int ieee_hw_rate_init(struct ieee80211_hw *hw);
+
+static int wl_linux_watchdog(void *ctx);
+
+/* Flags we support */
+#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
+ FIF_ALLMULTI | \
+ FIF_FCSFAIL | \
+ FIF_PLCPFAIL | \
+ FIF_CONTROL | \
+ FIF_OTHER_BSS | \
+ FIF_BCN_PRBRESP_PROMISC)
+
+static int wl_found;
+
+struct ieee80211_tkip_data {
+#define TKIP_KEY_LEN 32
+ u8 key[TKIP_KEY_LEN];
+ int key_set;
+
+ u32 tx_iv32;
+ u16 tx_iv16;
+ u16 tx_ttak[5];
+ int tx_phase1_done;
+
+ u32 rx_iv32;
+ u16 rx_iv16;
+ u16 rx_ttak[5];
+ int rx_phase1_done;
+ u32 rx_iv32_new;
+ u16 rx_iv16_new;
+
+ u32 dot11RSNAStatsTKIPReplays;
+ u32 dot11RSNAStatsTKIPICVErrors;
+ u32 dot11RSNAStatsTKIPLocalMICFailures;
+
+ int key_idx;
+
+ struct crypto_tfm *tfm_arc4;
+ struct crypto_tfm *tfm_michael;
+
+ /* scratch buffers for virt_to_page() (crypto API) */
+ u8 rx_hdr[16], tx_hdr[16];
+};
+
+#ifndef WLC_HIGH_ONLY
+#define WL_DEV_IF(dev) ((wl_if_t *)netdev_priv(dev))
+#define WL_INFO(dev) ((wl_info_t *)(WL_DEV_IF(dev)->wl)) /* points to wl */
+static int wl_request_fw(wl_info_t *wl, struct pci_dev *pdev);
+static void wl_release_fw(wl_info_t *wl);
+#endif
+
+/* local prototypes */
+static int wl_start(struct sk_buff *skb, wl_info_t *wl);
+static int wl_start_int(wl_info_t *wl, struct ieee80211_hw *hw,
+ struct sk_buff *skb);
+static void wl_dpc(unsigned long data);
+
+MODULE_AUTHOR("Broadcom Corporation");
+MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
+MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
+MODULE_LICENSE("Dual BSD/GPL");
+
+#ifndef BCMSDIO
+/* recognized PCI IDs */
+static struct pci_device_id wl_id_table[] = {
+ {PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */
+ {PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */
+ {PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */
+ {0}
+};
+
+MODULE_DEVICE_TABLE(pci, wl_id_table);
+static void wl_remove(struct pci_dev *pdev);
+#endif /* !BCMSDIO */
+
+#ifdef BCMSDIO
+static uint sd_drivestrength = 6;
+module_param(sd_drivestrength, uint, 0);
+#endif
+
+#ifdef BCMDBG
+static int msglevel = 0xdeadbeef;
+module_param(msglevel, int, 0);
+#ifndef WLC_HIGH_ONLY
+static int phymsglevel = 0xdeadbeef;
+module_param(phymsglevel, int, 0);
+#endif /* WLC_HIGH_ONLY */
+#endif /* BCMDBG */
+
+static int oneonly;
+module_param(oneonly, int, 0);
+
+static int piomode;
+module_param(piomode, int, 0);
+
+static int instance_base; /* Starting instance number */
+module_param(instance_base, int, 0);
+
+#if defined(BCMDBG)
+static char *macaddr;
+module_param(macaddr, charp, S_IRUGO);
+#endif
+
+static int nompc = 1;
+module_param(nompc, int, 0);
+
+static char name[IFNAMSIZ] = "eth%d";
+module_param_string(name, name, IFNAMSIZ, 0);
+
+#ifndef SRCBASE
+#define SRCBASE "."
+#endif
+
+#define WL_MAGIC 0xdeadbeef
+
+#define HW_TO_WL(hw) (hw->priv)
+#define WL_TO_HW(wl) (wl->pub->ieee_hw)
+#ifdef WLC_HIGH_ONLY
+static int wl_ops_tx_nl(struct ieee80211_hw *hw, struct sk_buff *skb);
+#else
+static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+#endif
+static int wl_ops_start(struct ieee80211_hw *hw);
+static void wl_ops_stop(struct ieee80211_hw *hw);
+static int wl_ops_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif);
+static void wl_ops_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif);
+static int wl_ops_config(struct ieee80211_hw *hw, u32 changed);
+static void wl_ops_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed);
+static void wl_ops_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags, u64 multicast);
+static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
+ bool set);
+static void wl_ops_sw_scan_start(struct ieee80211_hw *hw);
+static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw);
+static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf);
+static int wl_ops_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats);
+static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value);
+static void wl_ops_sta_notify(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd,
+ struct ieee80211_sta *sta);
+static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
+ const struct ieee80211_tx_queue_params *params);
+static u64 wl_ops_get_tsf(struct ieee80211_hw *hw);
+static int wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+static int wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+static int wl_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn);
+
+#ifdef WLC_HIGH_ONLY
+static int wl_ops_tx_nl(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ int status;
+ wl_info_t *wl = hw->priv;
+ if (!wl->pub->up) {
+ WL_ERROR(("ops->tx called while down\n"));
+ status = -ENETDOWN;
+ goto done;
+ }
+ status = wl_start(skb, wl);
+ done:
+ return status;
+}
+#else
+static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ int status;
+ wl_info_t *wl = hw->priv;
+ WL_LOCK(wl);
+ if (!wl->pub->up) {
+ WL_ERROR(("ops->tx called while down\n"));
+ status = -ENETDOWN;
+ goto done;
+ }
+ status = wl_start(skb, wl);
+ done:
+ WL_UNLOCK(wl);
+ return status;
+}
+#endif /* WLC_HIGH_ONLY */
+
+static int wl_ops_start(struct ieee80211_hw *hw)
+{
+ wl_info_t *wl = hw->priv;
+ /* struct ieee80211_channel *curchan = hw->conf.channel; */
+ WL_NONE(("%s : Initial channel: %d\n", __func__, curchan->hw_value));
+
+ WL_LOCK(wl);
+ ieee80211_wake_queues(hw);
+ WL_UNLOCK(wl);
+
+ return 0;
+}
+
+static void wl_ops_stop(struct ieee80211_hw *hw)
+{
+ wl_info_t *wl = hw->priv;
+ ASSERT(wl);
+ WL_LOCK(wl);
+ wl_down(wl);
+ ieee80211_stop_queues(hw);
+ WL_UNLOCK(wl);
+
+ return;
+}
+
+static int
+wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ wl_info_t *wl;
+ int err;
+
+ /* Just STA for now */
+ if (vif->type != NL80211_IFTYPE_AP &&
+ vif->type != NL80211_IFTYPE_MESH_POINT &&
+ vif->type != NL80211_IFTYPE_STATION &&
+ vif->type != NL80211_IFTYPE_WDS &&
+ vif->type != NL80211_IFTYPE_ADHOC) {
+ WL_ERROR(("%s: Attempt to add type %d, only STA for now\n",
+ __func__, vif->type));
+ return -EOPNOTSUPP;
+ }
+
+ wl = HW_TO_WL(hw);
+ WL_LOCK(wl);
+ err = wl_up(wl);
+ WL_UNLOCK(wl);
+
+ if (err != 0)
+ WL_ERROR(("%s: wl_up() returned %d\n", __func__, err));
+ return err;
+}
+
+static void
+wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ return;
+}
+
+static int
+ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan,
+ enum nl80211_channel_type type)
+{
+ wl_info_t *wl = HW_TO_WL(hw);
+ int err = 0;
+
+ switch (type) {
+ case NL80211_CHAN_HT20:
+ case NL80211_CHAN_NO_HT:
+ WL_LOCK(wl);
+ err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
+ WL_UNLOCK(wl);
+ break;
+ case NL80211_CHAN_HT40MINUS:
+ case NL80211_CHAN_HT40PLUS:
+ WL_ERROR(("%s: Need to implement 40 Mhz Channels!\n",
+ __func__));
+ break;
+ }
+
+ if (err)
+ return -EIO;
+ return err;
+}
+
+static int wl_ops_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct ieee80211_conf *conf = &hw->conf;
+ wl_info_t *wl = HW_TO_WL(hw);
+ int err = 0;
+ int new_int;
+
+ if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
+ WL_NONE(("%s: Setting listen interval to %d\n",
+ __func__, conf->listen_interval));
+ if (wlc_iovar_setint
+ (wl->wlc, "bcn_li_bcn", conf->listen_interval)) {
+ WL_ERROR(("%s: Error setting listen_interval\n",
+ __func__));
+ err = -EIO;
+ goto config_out;
+ }
+ wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int);
+ ASSERT(new_int == conf->listen_interval);
+ }
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR)
+ WL_NONE(("Need to set monitor mode\n"));
+ if (changed & IEEE80211_CONF_CHANGE_PS)
+ WL_NONE(("Need to set Power-save mode\n"));
+
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ WL_NONE(("%s: Setting tx power to %d dbm\n", __func__,
+ conf->power_level));
+ if (wlc_iovar_setint
+ (wl->wlc, "qtxpower", conf->power_level * 4)) {
+ WL_ERROR(("%s: Error setting power_level\n", __func__));
+ err = -EIO;
+ goto config_out;
+ }
+ wlc_iovar_getint(wl->wlc, "qtxpower", &new_int);
+ if (new_int != (conf->power_level * 4))
+ WL_ERROR(("%s: Power level req != actual, %d %d\n",
+ __func__, conf->power_level * 4, new_int));
+ }
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ err = ieee_set_channel(hw, conf->channel, conf->channel_type);
+ }
+ if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
+ WL_NONE(("%s: srl %d, lrl %d\n", __func__,
+ conf->short_frame_max_tx_count,
+ conf->long_frame_max_tx_count));
+ if (wlc_set
+ (wl->wlc, WLC_SET_SRL,
+ conf->short_frame_max_tx_count) < 0) {
+ WL_ERROR(("%s: Error setting srl\n", __func__));
+ err = -EIO;
+ goto config_out;
+ }
+ if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count)
+ < 0) {
+ WL_ERROR(("%s: Error setting lrl\n", __func__));
+ err = -EIO;
+ goto config_out;
+ }
+ }
+
+ config_out:
+ return err;
+}
+
+static void
+wl_ops_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info, u32 changed)
+{
+ wl_info_t *wl = HW_TO_WL(hw);
+ int val;
+
+#ifdef WLC_HIGH_ONLY
+ WL_LOCK(wl);
+#endif
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ WL_ERROR(("Associated:\t%s\n", info->assoc ? "True" : "False"));
+ /* association status changed (associated/disassociated)
+ * also implies a change in the AID.
+ */
+ }
+ if (changed & BSS_CHANGED_ERP_CTS_PROT) {
+ WL_NONE(("Use_cts_prot:\t%s Implement me\n",
+ info->use_cts_prot ? "True" : "False"));
+ /* CTS protection changed */
+ }
+ if (changed & BSS_CHANGED_ERP_PREAMBLE) {
+ WL_NONE(("Short preamble:\t%s Implement me\n",
+ info->use_short_preamble ? "True" : "False"));
+ /* preamble changed */
+ }
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ WL_NONE(("Changing short slot:\t%s\n",
+ info->use_short_slot ? "True" : "False"));
+ if (info->use_short_slot)
+ val = 1;
+ else
+ val = 0;
+ wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val);
+ /* slot timing changed */
+ }
+
+ if (changed & BSS_CHANGED_HT) {
+ WL_NONE(("%s: HT mode - Implement me\n", __func__));
+ /* 802.11n parameters changed */
+ }
+ if (changed & BSS_CHANGED_BASIC_RATES) {
+ WL_NONE(("Need to change Basic Rates:\t0x%x! Implement me\n",
+ (u32) info->basic_rates));
+ /* Basic rateset changed */
+ }
+ if (changed & BSS_CHANGED_BEACON_INT) {
+ WL_NONE(("Beacon Interval:\t%d Implement me\n",
+ info->beacon_int));
+ /* Beacon interval changed */
+ }
+ if (changed & BSS_CHANGED_BSSID) {
+ WL_NONE(("new BSSID:\taid %d bss:%pM\n", info->aid,
+ info->bssid));
+ /* BSSID changed, for whatever reason (IBSS and managed mode) */
+ /* FIXME: need to store bssid in bsscfg */
+ wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET,
+ (struct ether_addr *)info->bssid);
+ }
+ if (changed & BSS_CHANGED_BEACON) {
+ WL_ERROR(("BSS_CHANGED_BEACON\n"));
+ /* Beacon data changed, retrieve new beacon (beaconing modes) */
+ }
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ WL_ERROR(("Beacon enabled:\t%s\n",
+ info->enable_beacon ? "True" : "False"));
+ /* Beaconing should be enabled/disabled (beaconing modes) */
+ }
+#ifdef WLC_HIGH_ONLY
+ WL_UNLOCK(wl);
+#endif
+ return;
+}
+
+static void
+wl_ops_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags, u64 multicast)
+{
+#ifndef WLC_HIGH_ONLY
+ wl_info_t *wl = hw->priv;
+#endif
+
+ changed_flags &= MAC_FILTERS;
+ *total_flags &= MAC_FILTERS;
+ if (changed_flags & FIF_PROMISC_IN_BSS)
+ WL_ERROR(("FIF_PROMISC_IN_BSS\n"));
+ if (changed_flags & FIF_ALLMULTI)
+ WL_ERROR(("FIF_ALLMULTI\n"));
+ if (changed_flags & FIF_FCSFAIL)
+ WL_ERROR(("FIF_FCSFAIL\n"));
+ if (changed_flags & FIF_PLCPFAIL)
+ WL_ERROR(("FIF_PLCPFAIL\n"));
+ if (changed_flags & FIF_CONTROL)
+ WL_ERROR(("FIF_CONTROL\n"));
+ if (changed_flags & FIF_OTHER_BSS)
+ WL_ERROR(("FIF_OTHER_BSS\n"));
+ if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
+ WL_NONE(("FIF_BCN_PRBRESP_PROMISC\n"));
+#ifndef WLC_HIGH_ONLY
+ WL_LOCK(wl);
+ if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
+ wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
+ wlc_mac_bcn_promisc_change(wl->wlc, 1);
+ } else {
+ wlc_mac_bcn_promisc_change(wl->wlc, 0);
+ wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
+ }
+ WL_UNLOCK(wl);
+#endif
+ }
+ return;
+}
+
+static int
+wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set)
+{
+ WL_ERROR(("%s: Enter\n", __func__));
+ return 0;
+}
+
+static void wl_ops_sw_scan_start(struct ieee80211_hw *hw)
+{
+ WL_NONE(("Scan Start\n"));
+ return;
+}
+
+static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw)
+{
+ WL_NONE(("Scan Complete\n"));
+ return;
+}
+
+static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+ WL_ERROR(("%s: Enter\n", __func__));
+ return;
+}
+
+static int
+wl_ops_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
+{
+ WL_ERROR(("%s: Enter\n", __func__));
+ return 0;
+}
+
+static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+ WL_ERROR(("%s: Enter\n", __func__));
+ return 0;
+}
+
+static void
+wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
+{
+ WL_NONE(("%s: Enter\n", __func__));
+ switch (cmd) {
+ default:
+ WL_ERROR(("%s: Uknown cmd = %d\n", __func__, cmd));
+ break;
+ }
+ return;
+}
+
+static int
+wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ wl_info_t *wl = hw->priv;
+
+ WL_NONE(("%s: Enter (WME config)\n", __func__));
+ WL_NONE(("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue,
+ params->txop, params->cw_min, params->cw_max, params->aifs));
+
+ WL_LOCK(wl);
+ wlc_wme_setparams(wl->wlc, queue, (void *)params, true);
+ WL_UNLOCK(wl);
+
+ return 0;
+}
+
+static u64 wl_ops_get_tsf(struct ieee80211_hw *hw)
+{
+ WL_ERROR(("%s: Enter\n", __func__));
+ return 0;
+}
+
+static int
+wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct scb *scb;
+
+ int i;
+ wl_info_t *wl = hw->priv;
+
+ /* Init the scb */
+ scb = (struct scb *)sta->drv_priv;
+ bzero(scb, sizeof(struct scb));
+ for (i = 0; i < NUMPRIO; i++)
+ scb->seqctl[i] = 0xFFFF;
+ scb->seqctl_nonqos = 0xFFFF;
+ scb->magic = SCB_MAGIC;
+
+ wl->pub->global_scb = scb;
+ wl->pub->global_ampdu = &(scb->scb_ampdu);
+ wl->pub->global_ampdu->scb = scb;
+#ifdef WLC_HIGH_ONLY
+ wl->pub->global_ampdu->max_pdu = AMPDU_NUM_MPDU;
+#else
+ wl->pub->global_ampdu->max_pdu = 16;
+#endif
+ pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID,
+ AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT);
+
+ sta->ht_cap.ht_supported = true;
+#ifdef WLC_HIGH_ONLY
+ sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_16K;
+#else
+ sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K;
+#endif
+ sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY;
+ sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT;
+
+ /* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */
+ return 0;
+}
+
+static int
+wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ WL_NONE(("%s: Enter\n", __func__));
+ return 0;
+}
+
+static int
+wl_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_ampdu_mlme_action action,
+ struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+{
+#if defined(BCMDBG)
+ struct scb *scb = (struct scb *)sta->drv_priv;
+#endif
+ wl_info_t *wl = hw->priv;
+
+ ASSERT(scb->magic == SCB_MAGIC);
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ WL_NONE(("%s: action = IEEE80211_AMPDU_RX_START\n", __func__));
+ break;
+ case IEEE80211_AMPDU_RX_STOP:
+ WL_NONE(("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__));
+ break;
+ case IEEE80211_AMPDU_TX_START:
+ if (!wlc_aggregatable(wl->wlc, tid)) {
+ /* WL_ERROR(("START: tid %d is not agg' able, return FAILURE to stack\n", tid)); */
+ return -1;
+ }
+ /* XXX: Use the starting sequence number provided ... */
+ *ssn = 0;
+ ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+
+ case IEEE80211_AMPDU_TX_STOP:
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ /* Not sure what to do here */
+ /* Power save wakeup */
+ WL_NONE(("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n",
+ __func__));
+ break;
+ default:
+ WL_ERROR(("%s: Invalid command, ignoring\n", __func__));
+ }
+
+ return 0;
+}
+
+static const struct ieee80211_ops wl_ops = {
+#ifdef WLC_HIGH_ONLY
+ .tx = wl_ops_tx_nl,
+#else
+ .tx = wl_ops_tx,
+#endif
+ .start = wl_ops_start,
+ .stop = wl_ops_stop,
+ .add_interface = wl_ops_add_interface,
+ .remove_interface = wl_ops_remove_interface,
+ .config = wl_ops_config,
+ .bss_info_changed = wl_ops_bss_info_changed,
+ .configure_filter = wl_ops_configure_filter,
+ .set_tim = wl_ops_set_tim,
+ .sw_scan_start = wl_ops_sw_scan_start,
+ .sw_scan_complete = wl_ops_sw_scan_complete,
+ .set_tsf = wl_ops_set_tsf,
+ .get_stats = wl_ops_get_stats,
+ .set_rts_threshold = wl_ops_set_rts_threshold,
+ .sta_notify = wl_ops_sta_notify,
+ .conf_tx = wl_ops_conf_tx,
+ .get_tsf = wl_ops_get_tsf,
+ .sta_add = wl_sta_add,
+ .sta_remove = wl_sta_remove,
+ .ampdu_action = wl_ampdu_action,
+};
+
+static int wl_set_hint(wl_info_t *wl, char *abbrev)
+{
+ WL_ERROR(("%s: Sending country code %c%c to MAC80211\n", __func__,
+ abbrev[0], abbrev[1]));
+ return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
+}
+
+/**
+ * attach to the WL device.
+ *
+ * Attach to the WL device identified by vendor and device parameters.
+ * regs is a host accessible memory address pointing to WL device registers.
+ *
+ * wl_attach is not defined as static because in the case where no bus
+ * is defined, wl_attach will never be called, and thus, gcc will issue
+ * a warning that this function is defined but not used if we declare
+ * it as static.
+ */
+static wl_info_t *wl_attach(u16 vendor, u16 device, unsigned long regs,
+ uint bustype, void *btparam, uint irq)
+{
+ wl_info_t *wl;
+ osl_t *osh;
+ int unit, err;
+
+ unsigned long base_addr;
+ struct ieee80211_hw *hw;
+ u8 perm[ETH_ALEN];
+
+ unit = wl_found + instance_base;
+ err = 0;
+
+ if (unit < 0) {
+ WL_ERROR(("wl%d: unit number overflow, exiting\n", unit));
+ return NULL;
+ }
+
+ if (oneonly && (unit != instance_base)) {
+ WL_ERROR(("wl%d: wl_attach: oneonly is set, exiting\n", unit));
+ return NULL;
+ }
+
+ /* Requires pkttag feature */
+ osh = osl_attach(btparam, bustype, true);
+ ASSERT(osh);
+
+#ifdef WLC_HIGH_ONLY
+ hw = ieee80211_alloc_hw(sizeof(wl_info_t), &wl_ops);
+ if (!hw) {
+ WL_ERROR(("%s: ieee80211_alloc_hw failed\n", __func__));
+ ASSERT(0);
+ }
+
+ bzero(hw->priv, sizeof(*wl));
+ wl = hw->priv;
+#else
+ /* allocate private info */
+ hw = pci_get_drvdata(btparam); /* btparam == pdev */
+ wl = hw->priv;
+#endif
+ ASSERT(wl);
+
+ wl->magic = WL_MAGIC;
+ wl->osh = osh;
+ atomic_set(&wl->callbacks, 0);
+
+ /* setup the bottom half handler */
+ tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl);
+
+#ifdef WLC_HIGH_ONLY
+ wl->rpc_th = bcm_rpc_tp_attach(osh, NULL);
+ if (wl->rpc_th == NULL) {
+ WL_ERROR(("wl%d: %s: bcm_rpc_tp_attach failed!\n", unit,
+ __func__));
+ goto fail;
+ }
+
+ wl->rpc = bcm_rpc_attach(NULL, osh, wl->rpc_th);
+ if (wl->rpc == NULL) {
+ WL_ERROR(("wl%d: %s: bcm_rpc_attach failed!\n", unit,
+ __func__));
+ goto fail;
+ }
+
+ /* init tx work queue for wl_start/send pkt; no need to destroy workitem */
+ INIT_WORK(&wl->txq_task.work, (work_func_t) wl_start_txqwork);
+ wl->txq_task.context = wl;
+#endif /* WLC_HIGH_ONLY */
+
+#ifdef BCMSDIO
+ SET_IEEE80211_DEV(hw, sdiommc_dev);
+#endif
+
+ base_addr = regs;
+
+ if (bustype == PCI_BUS) {
+ /* piomode can be overwritten by command argument */
+ wl->piomode = piomode;
+ WL_TRACE(("PCI/%s\n", wl->piomode ? "PIO" : "DMA"));
+ } else if (bustype == RPC_BUS) {
+ /* Do nothing */
+ } else {
+ bustype = PCI_BUS;
+ WL_TRACE(("force to PCI\n"));
+ }
+ wl->bcm_bustype = bustype;
+
+#ifdef WLC_HIGH_ONLY
+ if (wl->bcm_bustype == RPC_BUS) {
+ wl->regsva = (void *)0;
+ btparam = wl->rpc;
+ } else
+#endif
+ wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ);
+ if (wl->regsva == NULL) {
+ WL_ERROR(("wl%d: ioremap() failed\n", unit));
+ goto fail;
+ }
+#ifdef WLC_HIGH_ONLY
+ spin_lock_init(&wl->rpcq_lock);
+ spin_lock_init(&wl->txq_lock);
+
+ init_MUTEX(&wl->sem);
+#else
+ spin_lock_init(&wl->lock);
+ spin_lock_init(&wl->isr_lock);
+#endif
+
+#ifndef WLC_HIGH_ONLY
+ /* prepare ucode */
+ if (wl_request_fw(wl, (struct pci_dev *)btparam)) {
+ printf("%s: Failed to find firmware usually in %s\n",
+ KBUILD_MODNAME, "/lib/firmware/brcm");
+ wl_release_fw(wl);
+ wl_remove((struct pci_dev *)btparam);
+ goto fail1;
+ }
+#endif
+
+ /* common load-time initialization */
+ wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh,
+ wl->regsva, wl->bcm_bustype, btparam, &err);
+#ifndef WLC_HIGH_ONLY
+ wl_release_fw(wl);
+#endif
+ if (!wl->wlc) {
+ printf("%s: %s wlc_attach() failed with code %d\n",
+ KBUILD_MODNAME, EPI_VERSION_STR, err);
+ goto fail;
+ }
+ wl->pub = wlc_pub(wl->wlc);
+
+ wl->pub->ieee_hw = hw;
+ ASSERT(wl->pub->ieee_hw);
+ ASSERT(wl->pub->ieee_hw->priv == wl);
+
+#ifdef WLC_HIGH_ONLY
+ REGOPSSET(osh, (osl_rreg_fn_t) wlc_reg_read,
+ (osl_wreg_fn_t) wlc_reg_write, wl->wlc);
+ wl->rpc_dispatch_ctx.rpc = wl->rpc;
+ wl->rpc_dispatch_ctx.wlc = wl->wlc;
+ bcm_rpc_rxcb_init(wl->rpc, wl, wl_rpc_dispatch_schedule, wl,
+ wl_rpc_down, NULL, NULL);
+#endif /* WLC_HIGH_ONLY */
+
+ if (nompc) {
+ if (wlc_iovar_setint(wl->wlc, "mpc", 0)) {
+ WL_ERROR(("wl%d: Error setting MPC variable to 0\n",
+ unit));
+ }
+ }
+#ifdef BCMSDIO
+ /* Set SDIO drive strength */
+ wlc_iovar_setint(wl->wlc, "sd_drivestrength", sd_drivestrength);
+#endif
+
+#ifdef WLC_LOW
+ /* register our interrupt handler */
+ if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
+ WL_ERROR(("wl%d: request_irq() failed\n", unit));
+ goto fail;
+ }
+ wl->irq = irq;
+#endif /* WLC_LOW */
+
+ /* register module */
+ wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog,
+ NULL);
+
+ if (ieee_hw_init(hw)) {
+ WL_ERROR(("wl%d: %s: ieee_hw_init failed!\n", unit, __func__));
+ goto fail;
+ }
+
+ bcopy(&wl->pub->cur_etheraddr, perm, ETHER_ADDR_LEN);
+ ASSERT(is_valid_ether_addr(perm));
+ SET_IEEE80211_PERM_ADDR(hw, perm);
+
+ err = ieee80211_register_hw(hw);
+ if (err) {
+ WL_ERROR(("%s: ieee80211_register_hw failed, status %d\n",
+ __func__, err));
+ }
+
+ if (wl->pub->srom_ccode[0])
+ err = wl_set_hint(wl, wl->pub->srom_ccode);
+ else
+ err = wl_set_hint(wl, "US");
+ if (err) {
+ WL_ERROR(("%s: regulatory_hint failed, status %d\n", __func__,
+ err));
+ }
+#ifndef WLC_HIGH_ONLY
+ WL_ERROR(("wl%d: Broadcom BCM43xx 802.11 MAC80211 Driver "
+ EPI_VERSION_STR " (" PHY_VERSION_STR ")", unit));
+#else
+ WL_ERROR(("wl%d: Broadcom BCM43xx 802.11 MAC80211 Driver "
+ EPI_VERSION_STR, unit));
+#endif
+
+#ifdef BCMDBG
+ printf(" (Compiled in " SRCBASE " at " __TIME__ " on " __DATE__ ")");
+#endif /* BCMDBG */
+ printf("\n");
+
+ wl_found++;
+ return wl;
+
+ fail:
+ wl_free(wl);
+fail1:
+ return NULL;
+}
+
+#ifdef WLC_HIGH_ONLY
+static void *wl_dbus_probe_cb(void *arg, const char *desc, u32 bustype,
+ u32 hdrlen)
+{
+ wl_info_t *wl;
+ WL_ERROR(("%s:\n", __func__));
+
+ wl = wl_attach(BCM_DNGL_VID, BCM_DNGL_BDC_PID, (unsigned long) NULL, RPC_BUS,
+ NULL, 0);
+ if (!wl) {
+ WL_ERROR(("%s: wl_attach failed\n", __func__));
+ }
+
+ /* This is later passed to wl_dbus_disconnect_cb */
+ return wl;
+}
+
+static void wl_dbus_disconnect_cb(void *arg)
+{
+ wl_info_t *wl = arg;
+
+ WL_ERROR(("%s:\n", __func__));
+
+ if (wl) {
+#ifdef WLC_HIGH_ONLY
+ if (wl->pub->ieee_hw) {
+ ieee80211_unregister_hw(wl->pub->ieee_hw);
+ WL_ERROR(("%s: Back from down\n", __func__));
+ }
+ wlc_device_removed(wl->wlc);
+ wlc_bmac_dngl_reboot(wl->rpc);
+ bcm_rpc_down(wl->rpc);
+#endif
+ WL_LOCK(wl);
+ wl_down(wl);
+ WL_UNLOCK(wl);
+#ifdef WLC_HIGH_ONLY
+ if (wl->pub->ieee_hw) {
+ ieee80211_free_hw(wl->pub->ieee_hw);
+ WL_ERROR(("%s: Back from ieee80211_free_hw\n",
+ __func__));
+ wl->pub->ieee_hw = NULL;
+ }
+#endif
+ wl_free(wl);
+ }
+}
+#endif /* WLC_HIGH_ONLY */
+
+
+#define CHAN2GHZ(channel, freqency, chflags) { \
+ .band = IEEE80211_BAND_2GHZ, \
+ .center_freq = (freqency), \
+ .hw_value = (channel), \
+ .flags = chflags, \
+ .max_antenna_gain = 0, \
+ .max_power = 19, \
+}
+
+static struct ieee80211_channel wl_2ghz_chantable[] = {
+ CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(5, 2432, 0),
+ CHAN2GHZ(6, 2437, 0),
+ CHAN2GHZ(7, 2442, 0),
+ CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(12, 2467,
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(13, 2472,
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(14, 2484,
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
+};
+
+#define CHAN5GHZ(channel, chflags) { \
+ .band = IEEE80211_BAND_5GHZ, \
+ .center_freq = 5000 + 5*(channel), \
+ .hw_value = (channel), \
+ .flags = chflags, \
+ .max_antenna_gain = 0, \
+ .max_power = 21, \
+}
+
+static struct ieee80211_channel wl_5ghz_nphy_chantable[] = {
+ /* UNII-1 */
+ CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
+ /* UNII-2 */
+ CHAN5GHZ(52,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(56,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(60,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(64,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ /* MID */
+ CHAN5GHZ(100,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(104,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(108,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(112,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(116,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(120,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(124,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(128,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(132,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(136,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(140,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
+ IEEE80211_CHAN_NO_HT40MINUS),
+ /* UNII-3 */
+ CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
+};
+
+#define RATE(rate100m, _flags) { \
+ .bitrate = (rate100m), \
+ .flags = (_flags), \
+ .hw_value = (rate100m / 5), \
+}
+
+static struct ieee80211_rate wl_legacy_ratetable[] = {
+ RATE(10, 0),
+ RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(60, 0),
+ RATE(90, 0),
+ RATE(120, 0),
+ RATE(180, 0),
+ RATE(240, 0),
+ RATE(360, 0),
+ RATE(480, 0),
+ RATE(540, 0),
+};
+
+static struct ieee80211_supported_band wl_band_2GHz_nphy = {
+ .band = IEEE80211_BAND_2GHZ,
+ .channels = wl_2ghz_chantable,
+ .n_channels = ARRAY_SIZE(wl_2ghz_chantable),
+ .bitrates = wl_legacy_ratetable,
+ .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable),
+ .ht_cap = {
+ /* from include/linux/ieee80211.h */
+ .cap = IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
+#ifdef WLC_HIGH_ONLY
+ .ht_supported = true,
+ .ampdu_factor = AMPDU_RX_FACTOR_16K,
+#else
+ .ht_supported = true,
+ .ampdu_factor = AMPDU_RX_FACTOR_64K,
+#endif
+ .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
+ .mcs = {
+ /* placeholders for now */
+#ifdef WLC_HIGH_ONLY
+ /*
+ * rx_mask[0] = 0xff by default
+ * rx_mask[1] = 0xff if number of rx chain >=2
+ * rx_mask[2] = 0xff if number of rx chain >=3
+ * rx_mask[4] = 1 if 40Mhz is supported
+ */
+ .rx_mask = {0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .rx_highest = 72, /* max rate of single stream */
+#else
+ .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
+ .rx_highest = 500,
+#endif
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
+ }
+};
+
+static struct ieee80211_supported_band wl_band_5GHz_nphy = {
+ .band = IEEE80211_BAND_5GHZ,
+ .channels = wl_5ghz_nphy_chantable,
+ .n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable),
+ .bitrates = wl_legacy_ratetable + 4,
+ .n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4,
+ .ht_cap = {
+ /* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */
+ .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, /* No 40 mhz yet */
+ .ht_supported = true,
+ .ampdu_factor = AMPDU_RX_FACTOR_64K,
+ .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
+ .mcs = {
+ /* placeholders for now */
+ .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
+ .rx_highest = 500,
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
+ }
+};
+
+static int ieee_hw_rate_init(struct ieee80211_hw *hw)
+{
+ wl_info_t *wl = HW_TO_WL(hw);
+ int has_5g;
+ char phy_list[4];
+
+ has_5g = 0;
+
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
+
+ if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) {
+ WL_ERROR(("Phy list failed\n"));
+ }
+ WL_NONE(("%s: phylist = %c\n", __func__, phy_list[0]));
+
+#ifndef WLC_HIGH_ONLY
+ if (phy_list[0] == 'n' || phy_list[0] == 'c') {
+ if (phy_list[0] == 'c') {
+ /* Single stream */
+ wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0;
+ wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72;
+ }
+#else
+ if (phy_list[0] == 's') {
+#endif
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy;
+ } else {
+ BUG();
+ return -1;
+ }
+
+ /* Assume all bands use the same phy. True for 11n devices. */
+ if (NBANDS_PUB(wl->pub) > 1) {
+ has_5g++;
+#ifndef WLC_HIGH_ONLY
+ if (phy_list[0] == 'n' || phy_list[0] == 'c') {
+#else
+ if (phy_list[0] == 's') {
+#endif
+ hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
+ &wl_band_5GHz_nphy;
+ } else {
+ return -1;
+ }
+ }
+
+ WL_NONE(("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g));
+
+ return 0;
+}
+
+static int ieee_hw_init(struct ieee80211_hw *hw)
+{
+ hw->flags = IEEE80211_HW_SIGNAL_DBM
+ /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
+ | IEEE80211_HW_REPORTS_TX_ACK_STATUS
+ | IEEE80211_HW_AMPDU_AGGREGATION;
+
+ hw->extra_tx_headroom = wlc_get_header_len();
+ /* FIXME: should get this from wlc->machwcap */
+ hw->queues = 4;
+ /* FIXME: this doesn't seem to be used properly in minstrel_ht.
+ * mac80211/status.c:ieee80211_tx_status() checks this value,
+ * but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate()
+ * appears to always set 3 rates
+ */
+ hw->max_rates = 2; /* Primary rate and 1 fallback rate */
+
+ hw->channel_change_time = 7 * 1000; /* channel change time is dependant on chip and band */
+ hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
+ hw->rate_control_algorithm = "minstrel_ht";
+
+ hw->sta_data_size = sizeof(struct scb);
+ return ieee_hw_rate_init(hw);
+}
+
+#ifndef BCMSDIO
+/**
+ * determines if a device is a WL device, and if so, attaches it.
+ *
+ * This function determines if a device pointed to by pdev is a WL device,
+ * and if so, performs a wl_attach() on it.
+ *
+ */
+int __devinit
+wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ int rc;
+ wl_info_t *wl;
+ struct ieee80211_hw *hw;
+ u32 val;
+
+ ASSERT(pdev);
+
+ WL_TRACE(("%s: bus %d slot %d func %d irq %d\n", __func__,
+ pdev->bus->number, PCI_SLOT(pdev->devfn),
+ PCI_FUNC(pdev->devfn), pdev->irq));
+
+ if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
+ (((pdev->device & 0xff00) != 0x4300) &&
+ ((pdev->device & 0xff00) != 0x4700) &&
+ ((pdev->device < 43000) || (pdev->device > 43999))))
+ return -ENODEV;
+
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ WL_ERROR(("%s: Cannot enable device %d-%d_%d\n", __func__,
+ pdev->bus->number, PCI_SLOT(pdev->devfn),
+ PCI_FUNC(pdev->devfn)));
+ return -ENODEV;
+ }
+ pci_set_master(pdev);
+
+ pci_read_config_dword(pdev, 0x40, &val);
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+ hw = ieee80211_alloc_hw(sizeof(wl_info_t), &wl_ops);
+ if (!hw) {
+ WL_ERROR(("%s: ieee80211_alloc_hw failed\n", __func__));
+ rc = -ENOMEM;
+ goto err_1;
+ }
+
+ SET_IEEE80211_DEV(hw, &pdev->dev);
+
+ pci_set_drvdata(pdev, hw);
+
+ bzero(hw->priv, sizeof(*wl));
+
+ wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0),
+ PCI_BUS, pdev, pdev->irq);
+
+ if (!wl) {
+ WL_ERROR(("%s: %s: wl_attach failed!\n",
+ KBUILD_MODNAME, __func__));
+ return -ENODEV;
+ }
+ return 0;
+ err_1:
+ WL_ERROR(("%s: err_1: Major hoarkage\n", __func__));
+ return 0;
+}
+
+#ifdef LINUXSTA_PS
+static int wl_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ wl_info_t *wl;
+ struct ieee80211_hw *hw;
+
+ WL_TRACE(("wl: wl_suspend\n"));
+
+ hw = pci_get_drvdata(pdev);
+ wl = HW_TO_WL(hw);
+ if (!wl) {
+ WL_ERROR(("wl: wl_suspend: pci_get_drvdata failed\n"));
+ return -ENODEV;
+ }
+
+ WL_LOCK(wl);
+ wl_down(wl);
+ wl->pub->hw_up = false;
+ WL_UNLOCK(wl);
+ pci_save_state(pdev, wl->pci_psstate);
+ pci_disable_device(pdev);
+ return pci_set_power_state(pdev, PCI_D3hot);
+}
+
+static int wl_resume(struct pci_dev *pdev)
+{
+ wl_info_t *wl;
+ struct ieee80211_hw *hw;
+ int err = 0;
+ u32 val;
+
+ WL_TRACE(("wl: wl_resume\n"));
+ hw = pci_get_drvdata(pdev);
+ wl = HW_TO_WL(hw);
+ if (!wl) {
+ WL_ERROR(("wl: wl_resume: pci_get_drvdata failed\n"));
+ return -ENODEV;
+ }
+
+ err = pci_set_power_state(pdev, PCI_D0);
+ if (err)
+ return err;
+
+ pci_restore_state(pdev, wl->pci_psstate);
+
+ err = pci_enable_device(pdev);
+ if (err)
+ return err;
+
+ pci_set_master(pdev);
+
+ pci_read_config_dword(pdev, 0x40, &val);
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+ WL_LOCK(wl);
+ err = wl_up(wl);
+ WL_UNLOCK(wl);
+
+ return err;
+}
+#endif /* LINUXSTA_PS */
+
+static void wl_remove(struct pci_dev *pdev)
+{
+ wl_info_t *wl;
+ struct ieee80211_hw *hw;
+
+ hw = pci_get_drvdata(pdev);
+ wl = HW_TO_WL(hw);
+ if (!wl) {
+ WL_ERROR(("wl: wl_remove: pci_get_drvdata failed\n"));
+ return;
+ }
+ if (!wlc_chipmatch(pdev->vendor, pdev->device)) {
+ WL_ERROR(("wl: wl_remove: wlc_chipmatch failed\n"));
+ return;
+ }
+ if (wl->wlc) {
+ ieee80211_unregister_hw(hw);
+ WL_LOCK(wl);
+ wl_down(wl);
+ WL_UNLOCK(wl);
+ WL_NONE(("%s: Down\n", __func__));
+ }
+ pci_disable_device(pdev);
+
+ wl_free(wl);
+
+ pci_set_drvdata(pdev, NULL);
+ ieee80211_free_hw(hw);
+}
+
+static struct pci_driver wl_pci_driver = {
+ .name = "brcm80211",
+ .probe = wl_pci_probe,
+#ifdef LINUXSTA_PS
+ .suspend = wl_suspend,
+ .resume = wl_resume,
+#endif /* LINUXSTA_PS */
+ .remove = __devexit_p(wl_remove),
+ .id_table = wl_id_table,
+};
+#endif /* !BCMSDIO */
+
+/**
+ * This is the main entry point for the WL driver.
+ *
+ * This function determines if a device pointed to by pdev is a WL device,
+ * and if so, performs a wl_attach() on it.
+ *
+ */
+static int __init wl_module_init(void)
+{
+ int error = -ENODEV;
+
+#ifdef BCMDBG
+ if (msglevel != 0xdeadbeef)
+ wl_msg_level = msglevel;
+ else {
+ char *var = getvar(NULL, "wl_msglevel");
+ if (var)
+ wl_msg_level = simple_strtoul(var, NULL, 0);
+ }
+#ifndef WLC_HIGH_ONLY
+ {
+ extern u32 phyhal_msg_level;
+
+ if (phymsglevel != 0xdeadbeef)
+ phyhal_msg_level = phymsglevel;
+ else {
+ char *var = getvar(NULL, "phy_msglevel");
+ if (var)
+ phyhal_msg_level = simple_strtoul(var, NULL, 0);
+ }
+ }
+#endif /* WLC_HIGH_ONLY */
+#endif /* BCMDBG */
+
+#ifndef BCMSDIO
+ error = pci_register_driver(&wl_pci_driver);
+ if (!error)
+ return 0;
+
+#endif /* !BCMSDIO */
+
+#ifdef WLC_HIGH_ONLY
+ /* BMAC_NOTE: define hardcode number, why NODEVICE is ok ? */
+ error =
+ dbus_register(BCM_DNGL_VID, 0, wl_dbus_probe_cb,
+ wl_dbus_disconnect_cb, NULL, NULL, NULL);
+ if (error == DBUS_ERR_NODEVICE) {
+ error = DBUS_OK;
+ }
+#endif /* WLC_HIGH_ONLY */
+
+ return error;
+}
+
+/**
+ * This function unloads the WL driver from the system.
+ *
+ * This function unconditionally unloads the WL driver module from the
+ * system.
+ *
+ */
+static void __exit wl_module_exit(void)
+{
+#ifndef BCMSDIO
+ pci_unregister_driver(&wl_pci_driver);
+#endif /* !BCMSDIO */
+
+#ifdef WLC_HIGH_ONLY
+ dbus_deregister();
+#endif /* WLC_HIGH_ONLY */
+}
+
+module_init(wl_module_init);
+module_exit(wl_module_exit);
+
+/**
+ * This function frees the WL per-device resources.
+ *
+ * This function frees resources owned by the WL device pointed to
+ * by the wl parameter.
+ *
+ */
+void wl_free(wl_info_t *wl)
+{
+ wl_timer_t *t, *next;
+ osl_t *osh;
+
+ ASSERT(wl);
+#ifndef WLC_HIGH_ONLY
+ /* free ucode data */
+ if (wl->fw.fw_cnt)
+ wl_ucode_data_free();
+ if (wl->irq)
+ free_irq(wl->irq, wl);
+#endif
+
+ /* kill dpc */
+ tasklet_kill(&wl->tasklet);
+
+ if (wl->pub) {
+ wlc_module_unregister(wl->pub, "linux", wl);
+ }
+
+ /* free common resources */
+ if (wl->wlc) {
+ wlc_detach(wl->wlc);
+ wl->wlc = NULL;
+ wl->pub = NULL;
+ }
+
+ /* virtual interface deletion is deferred so we cannot spinwait */
+
+ /* wait for all pending callbacks to complete */
+ while (atomic_read(&wl->callbacks) > 0)
+ schedule();
+
+ /* free timers */
+ for (t = wl->timers; t; t = next) {
+ next = t->next;
+#ifdef BCMDBG
+ if (t->name)
+ kfree(t->name);
+#endif
+ kfree(t);
+ }
+
+ osh = wl->osh;
+
+ /*
+ * unregister_netdev() calls get_stats() which may read chip registers
+ * so we cannot unmap the chip registers until after calling unregister_netdev() .
+ */
+ if (wl->regsva && BUSTYPE(wl->bcm_bustype) != SDIO_BUS &&
+ BUSTYPE(wl->bcm_bustype) != JTAG_BUS) {
+ iounmap((void *)wl->regsva);
+ }
+ wl->regsva = NULL;
+
+#ifdef WLC_HIGH_ONLY
+ wl_rpcq_free(wl);
+
+ wl_txq_free(wl);
+
+ if (wl->rpc) {
+ bcm_rpc_detach(wl->rpc);
+ wl->rpc = NULL;
+ }
+
+ if (wl->rpc_th) {
+ bcm_rpc_tp_detach(wl->rpc_th);
+ wl->rpc_th = NULL;
+ }
+#endif /* WLC_HIGH_ONLY */
+
+ osl_detach(osh);
+}
+
+#ifdef WLC_LOW
+/* transmit a packet */
+static int BCMFASTPATH wl_start(struct sk_buff *skb, wl_info_t *wl)
+{
+ if (!wl)
+ return -ENETDOWN;
+
+ return wl_start_int(wl, WL_TO_HW(wl), skb);
+}
+#endif /* WLC_LOW */
+
+static int BCMFASTPATH
+wl_start_int(wl_info_t *wl, struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+#ifdef WLC_HIGH_ONLY
+ WL_LOCK(wl);
+#endif
+ wlc_sendpkt_mac80211(wl->wlc, skb, hw);
+#ifdef WLC_HIGH_ONLY
+ WL_UNLOCK(wl);
+#endif
+ return NETDEV_TX_OK;
+}
+
+void wl_txflowcontrol(wl_info_t *wl, struct wl_if *wlif, bool state, int prio)
+{
+ WL_ERROR(("Shouldn't be here %s\n", __func__));
+}
+
+#if defined(WLC_HIGH_ONLY)
+/* Schedule a completion handler to run at safe time */
+static int
+wl_schedule_task(wl_info_t *wl, void (*fn) (struct wl_task *task),
+ void *context)
+{
+ wl_task_t *task;
+
+ WL_TRACE(("wl%d: wl_schedule_task\n", wl->pub->unit));
+
+ task = kmalloc(sizeof(wl_task_t), GFP_ATOMIC);
+ if (!task) {
+ WL_ERROR(("wl%d: wl_schedule_task: out of memory\n", wl->pub->unit));
+ return -ENOMEM;
+ }
+
+ INIT_WORK(&task->work, (work_func_t) fn);
+ task->context = context;
+
+ if (!schedule_work(&task->work)) {
+ WL_ERROR(("wl%d: schedule_work() failed\n", wl->pub->unit));
+ kfree(task);
+ return -ENOMEM;
+ }
+
+ atomic_inc(&wl->callbacks);
+
+ return 0;
+}
+#endif /* defined(WLC_HIGH_ONLY) */
+
+void wl_init(wl_info_t *wl)
+{
+ WL_TRACE(("wl%d: wl_init\n", wl->pub->unit));
+
+ wl_reset(wl);
+
+ wlc_init(wl->wlc);
+}
+
+uint wl_reset(wl_info_t *wl)
+{
+ WL_TRACE(("wl%d: wl_reset\n", wl->pub->unit));
+
+ wlc_reset(wl->wlc);
+
+ /* dpc will not be rescheduled */
+ wl->resched = 0;
+
+ return 0;
+}
+
+/*
+ * These are interrupt on/off entry points. Disable interrupts
+ * during interrupt state transition.
+ */
+void BCMFASTPATH wl_intrson(wl_info_t *wl)
+{
+#if defined(WLC_LOW)
+ unsigned long flags;
+
+ INT_LOCK(wl, flags);
+ wlc_intrson(wl->wlc);
+ INT_UNLOCK(wl, flags);
+#endif /* WLC_LOW */
+}
+
+bool wl_alloc_dma_resources(wl_info_t *wl, uint addrwidth)
+{
+ return true;
+}
+
+u32 BCMFASTPATH wl_intrsoff(wl_info_t *wl)
+{
+#if defined(WLC_LOW)
+ unsigned long flags;
+ u32 status;
+
+ INT_LOCK(wl, flags);
+ status = wlc_intrsoff(wl->wlc);
+ INT_UNLOCK(wl, flags);
+ return status;
+#else
+ return 0;
+#endif /* WLC_LOW */
+}
+
+void wl_intrsrestore(wl_info_t *wl, u32 macintmask)
+{
+#if defined(WLC_LOW)
+ unsigned long flags;
+
+ INT_LOCK(wl, flags);
+ wlc_intrsrestore(wl->wlc, macintmask);
+ INT_UNLOCK(wl, flags);
+#endif /* WLC_LOW */
+}
+
+int wl_up(wl_info_t *wl)
+{
+ int error = 0;
+
+ if (wl->pub->up)
+ return 0;
+
+ error = wlc_up(wl->wlc);
+
+ return error;
+}
+
+void wl_down(wl_info_t *wl)
+{
+ uint callbacks, ret_val = 0;
+
+ /* call common down function */
+ ret_val = wlc_down(wl->wlc);
+ callbacks = atomic_read(&wl->callbacks) - ret_val;
+
+ /* wait for down callbacks to complete */
+ WL_UNLOCK(wl);
+
+#ifndef WLC_HIGH_ONLY
+ /* For HIGH_only driver, it's important to actually schedule other work,
+ * not just spin wait since everything runs at schedule level
+ */
+ SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
+#endif /* WLC_HIGH_ONLY */
+
+ WL_LOCK(wl);
+}
+
+irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id)
+{
+#if defined(WLC_LOW)
+ wl_info_t *wl;
+ bool ours, wantdpc;
+ unsigned long flags;
+
+ wl = (wl_info_t *) dev_id;
+
+ WL_ISRLOCK(wl, flags);
+
+ /* call common first level interrupt handler */
+ ours = wlc_isr(wl->wlc, &wantdpc);
+ if (ours) {
+ /* if more to do... */
+ if (wantdpc) {
+
+ /* ...and call the second level interrupt handler */
+ /* schedule dpc */
+ ASSERT(wl->resched == false);
+ tasklet_schedule(&wl->tasklet);
+ }
+ }
+
+ WL_ISRUNLOCK(wl, flags);
+
+ return IRQ_RETVAL(ours);
+#else
+ return IRQ_RETVAL(0);
+#endif /* WLC_LOW */
+}
+
+static void BCMFASTPATH wl_dpc(unsigned long data)
+{
+#ifdef WLC_LOW
+ wl_info_t *wl;
+
+ wl = (wl_info_t *) data;
+
+ WL_LOCK(wl);
+
+ /* call the common second level interrupt handler */
+ if (wl->pub->up) {
+ if (wl->resched) {
+ unsigned long flags;
+
+ INT_LOCK(wl, flags);
+ wlc_intrsupd(wl->wlc);
+ INT_UNLOCK(wl, flags);
+ }
+
+ wl->resched = wlc_dpc(wl->wlc, true);
+ }
+
+ /* wlc_dpc() may bring the driver down */
+ if (!wl->pub->up)
+ goto done;
+
+ /* re-schedule dpc */
+ if (wl->resched)
+ tasklet_schedule(&wl->tasklet);
+ else {
+ /* re-enable interrupts */
+ wl_intrson(wl);
+ }
+
+ done:
+ WL_UNLOCK(wl);
+#endif /* WLC_LOW */
+}
+
+static void wl_link_up(wl_info_t *wl, char *ifname)
+{
+ WL_ERROR(("wl%d: link up (%s)\n", wl->pub->unit, ifname));
+}
+
+static void wl_link_down(wl_info_t *wl, char *ifname)
+{
+ WL_ERROR(("wl%d: link down (%s)\n", wl->pub->unit, ifname));
+}
+
+void wl_event(wl_info_t *wl, char *ifname, wlc_event_t *e)
+{
+
+ switch (e->event.event_type) {
+ case WLC_E_LINK:
+ case WLC_E_NDIS_LINK:
+ if (e->event.flags & WLC_EVENT_MSG_LINK)
+ wl_link_up(wl, ifname);
+ else
+ wl_link_down(wl, ifname);
+ break;
+ case WLC_E_RADIO:
+ break;
+ }
+}
+
+static void wl_timer(unsigned long data)
+{
+#ifndef WLC_HIGH_ONLY
+ _wl_timer((wl_timer_t *) data);
+#else
+ wl_timer_t *t = (wl_timer_t *) data;
+ wl_schedule_task(t->wl, wl_timer_task, t);
+#endif /* WLC_HIGH_ONLY */
+}
+
+static void _wl_timer(wl_timer_t *t)
+{
+ WL_LOCK(t->wl);
+
+ if (t->set) {
+ if (t->periodic) {
+ t->timer.expires = jiffies + t->ms * HZ / 1000;
+ atomic_inc(&t->wl->callbacks);
+ add_timer(&t->timer);
+ t->set = true;
+ } else
+ t->set = false;
+
+ t->fn(t->arg);
+ }
+
+ atomic_dec(&t->wl->callbacks);
+
+ WL_UNLOCK(t->wl);
+}
+
+wl_timer_t *wl_init_timer(wl_info_t *wl, void (*fn) (void *arg), void *arg,
+ const char *name)
+{
+ wl_timer_t *t;
+
+ t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC);
+ if (!t) {
+ WL_ERROR(("wl%d: wl_init_timer: out of memory\n", wl->pub->unit));
+ return 0;
+ }
+
+ bzero(t, sizeof(wl_timer_t));
+
+ init_timer(&t->timer);
+ t->timer.data = (unsigned long) t;
+ t->timer.function = wl_timer;
+ t->wl = wl;
+ t->fn = fn;
+ t->arg = arg;
+ t->next = wl->timers;
+ wl->timers = t;
+
+#ifdef BCMDBG
+ t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
+ if (t->name)
+ strcpy(t->name, name);
+#endif
+
+ return t;
+}
+
+/* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate
+ * as well as it's easier to make it periodic
+ */
+void wl_add_timer(wl_info_t *wl, wl_timer_t *t, uint ms, int periodic)
+{
+#ifdef BCMDBG
+ if (t->set) {
+ WL_ERROR(("%s: Already set. Name: %s, per %d\n",
+ __func__, t->name, periodic));
+ }
+#endif
+ ASSERT(!t->set);
+
+ t->ms = ms;
+ t->periodic = (bool) periodic;
+ t->set = true;
+ t->timer.expires = jiffies + ms * HZ / 1000;
+
+ atomic_inc(&wl->callbacks);
+ add_timer(&t->timer);
+}
+
+/* return true if timer successfully deleted, false if still pending */
+bool wl_del_timer(wl_info_t *wl, wl_timer_t *t)
+{
+ if (t->set) {
+ t->set = false;
+ if (!del_timer(&t->timer)) {
+ return false;
+ }
+ atomic_dec(&wl->callbacks);
+ }
+
+ return true;
+}
+
+void wl_free_timer(wl_info_t *wl, wl_timer_t *t)
+{
+ wl_timer_t *tmp;
+
+ /* delete the timer in case it is active */
+ wl_del_timer(wl, t);
+
+ if (wl->timers == t) {
+ wl->timers = wl->timers->next;
+#ifdef BCMDBG
+ if (t->name)
+ kfree(t->name);
+#endif
+ kfree(t);
+ return;
+
+ }
+
+ tmp = wl->timers;
+ while (tmp) {
+ if (tmp->next == t) {
+ tmp->next = t->next;
+#ifdef BCMDBG
+ if (t->name)
+ kfree(t->name);
+#endif
+ kfree(t);
+ return;
+ }
+ tmp = tmp->next;
+ }
+
+}
+
+static int wl_linux_watchdog(void *ctx)
+{
+ wl_info_t *wl = (wl_info_t *) ctx;
+ struct net_device_stats *stats = NULL;
+ uint id;
+ /* refresh stats */
+ if (wl->pub->up) {
+ ASSERT(wl->stats_id < 2);
+
+ id = 1 - wl->stats_id;
+
+ stats = &wl->stats_watchdog[id];
+ stats->rx_packets = WLCNTVAL(wl->pub->_cnt->rxframe);
+ stats->tx_packets = WLCNTVAL(wl->pub->_cnt->txframe);
+ stats->rx_bytes = WLCNTVAL(wl->pub->_cnt->rxbyte);
+ stats->tx_bytes = WLCNTVAL(wl->pub->_cnt->txbyte);
+ stats->rx_errors = WLCNTVAL(wl->pub->_cnt->rxerror);
+ stats->tx_errors = WLCNTVAL(wl->pub->_cnt->txerror);
+ stats->collisions = 0;
+
+ stats->rx_length_errors = 0;
+ stats->rx_over_errors = WLCNTVAL(wl->pub->_cnt->rxoflo);
+ stats->rx_crc_errors = WLCNTVAL(wl->pub->_cnt->rxcrc);
+ stats->rx_frame_errors = 0;
+ stats->rx_fifo_errors = WLCNTVAL(wl->pub->_cnt->rxoflo);
+ stats->rx_missed_errors = 0;
+
+ stats->tx_fifo_errors = WLCNTVAL(wl->pub->_cnt->txuflo);
+
+ wl->stats_id = id;
+
+ }
+
+ return 0;
+}
+
+struct wl_fw_hdr {
+ u32 offset;
+ u32 len;
+ u32 idx;
+};
+
+#ifdef WLC_HIGH_ONLY
+static void wl_rpc_down(void *wlh)
+{
+ wl_info_t *wl = (wl_info_t *) (wlh);
+
+ wlc_device_removed(wl->wlc);
+
+ wl_rpcq_free(wl);
+}
+
+static int BCMFASTPATH wl_start(struct sk_buff *skb, wl_info_t *wl)
+{
+
+ unsigned long flags;
+
+ skb->prev = NULL;
+
+ /* Lock the queue as tasklet could be running at this time */
+ TXQ_LOCK(wl, flags);
+ if (wl->txq_head == NULL)
+ wl->txq_head = skb;
+ else {
+ wl->txq_tail->prev = skb;
+ }
+ wl->txq_tail = skb;
+
+ if (wl->txq_dispatched == false) {
+ wl->txq_dispatched = true;
+
+ if (schedule_work(&wl->txq_task.work)) {
+ atomic_inc(&wl->callbacks);
+ } else {
+ WL_ERROR(("wl%d: wl_start/schedule_work failed\n",
+ wl->pub->unit));
+ }
+ }
+
+ TXQ_UNLOCK(wl, flags);
+
+ return 0;
+
+}
+
+static void wl_start_txqwork(struct wl_task *task)
+{
+ wl_info_t *wl = (wl_info_t *) task->context;
+ struct sk_buff *skb;
+ unsigned long flags;
+ uint count = 0;
+
+ WL_TRACE(("wl%d: wl_start_txqwork\n", wl->pub->unit));
+
+ /* First remove an entry then go for execution */
+ TXQ_LOCK(wl, flags);
+ while (wl->txq_head) {
+ skb = wl->txq_head;
+ wl->txq_head = skb->prev;
+ skb->prev = NULL;
+ if (wl->txq_head == NULL)
+ wl->txq_tail = NULL;
+ TXQ_UNLOCK(wl, flags);
+
+ /* it has WL_LOCK/WL_UNLOCK inside */
+ wl_start_int(wl, WL_TO_HW(wl), skb);
+
+ /* bounded our execution, reshedule ourself next */
+ if (++count >= 10)
+ break;
+
+ TXQ_LOCK(wl, flags);
+ }
+
+ if (count >= 10) {
+ if (!schedule_work(&wl->txq_task.work)) {
+ WL_ERROR(("wl%d: wl_start/schedule_work failed\n",
+ wl->pub->unit));
+ atomic_dec(&wl->callbacks);
+ }
+ } else {
+ wl->txq_dispatched = false;
+ TXQ_UNLOCK(wl, flags);
+ atomic_dec(&wl->callbacks);
+ }
+
+ return;
+}
+
+static void wl_txq_free(wl_info_t *wl)
+{
+ struct sk_buff *skb;
+
+ if (wl->txq_head == NULL) {
+ ASSERT(wl->txq_tail == NULL);
+ return;
+ }
+
+ while (wl->txq_head) {
+ skb = wl->txq_head;
+ wl->txq_head = skb->prev;
+ PKTFREE(wl->osh, skb, true);
+ }
+
+ wl->txq_tail = NULL;
+}
+
+static void wl_rpcq_free(wl_info_t *wl)
+{
+ rpc_buf_t *buf;
+
+ if (wl->rpcq_head == NULL) {
+ ASSERT(wl->rpcq_tail == NULL);
+ return;
+ }
+
+ while (wl->rpcq_head) {
+ buf = wl->rpcq_head;
+ wl->rpcq_head = bcm_rpc_buf_next_get(wl->rpc_th, buf);
+ bcm_rpc_buf_free(wl->rpc_dispatch_ctx.rpc, buf);
+ }
+
+ wl->rpcq_tail = NULL;
+}
+
+static void wl_rpcq_dispatch(struct wl_task *task)
+{
+ wl_info_t *wl = (wl_info_t *) task->context;
+ rpc_buf_t *buf;
+ unsigned long flags;
+
+ /* First remove an entry then go for execution */
+ RPCQ_LOCK(wl, flags);
+ while (wl->rpcq_head) {
+ buf = wl->rpcq_head;
+ wl->rpcq_head = bcm_rpc_buf_next_get(wl->rpc_th, buf);
+
+ if (wl->rpcq_head == NULL)
+ wl->rpcq_tail = NULL;
+ RPCQ_UNLOCK(wl, flags);
+
+ WL_LOCK(wl);
+ wlc_rpc_high_dispatch(&wl->rpc_dispatch_ctx, buf);
+ WL_UNLOCK(wl);
+
+ RPCQ_LOCK(wl, flags);
+ }
+
+ wl->rpcq_dispatched = false;
+
+ RPCQ_UNLOCK(wl, flags);
+
+ kfree(task);
+ atomic_dec(&wl->callbacks);
+}
+
+static void wl_rpcq_add(wl_info_t *wl, rpc_buf_t *buf)
+{
+ unsigned long flags;
+
+ bcm_rpc_buf_next_set(wl->rpc_th, buf, NULL);
+
+ /* Lock the queue as tasklet could be running at this time */
+ RPCQ_LOCK(wl, flags);
+ if (wl->rpcq_head == NULL)
+ wl->rpcq_head = buf;
+ else
+ bcm_rpc_buf_next_set(wl->rpc_th, wl->rpcq_tail, buf);
+
+ wl->rpcq_tail = buf;
+
+ if (wl->rpcq_dispatched == false) {
+ wl->rpcq_dispatched = true;
+ wl_schedule_task(wl, wl_rpcq_dispatch, wl);
+ }
+
+ RPCQ_UNLOCK(wl, flags);
+}
+
+#if defined(BCMDBG)
+static const struct name_entry rpc_name_tbl[] = RPC_ID_TABLE;
+#endif /* BCMDBG */
+
+/* dongle-side rpc dispatch routine */
+static void wl_rpc_dispatch_schedule(void *ctx, struct rpc_buf *buf)
+{
+ bcm_xdr_buf_t b;
+ wl_info_t *wl = (wl_info_t *) ctx;
+ wlc_rpc_id_t rpc_id;
+ int err;
+
+ bcm_xdr_buf_init(&b, bcm_rpc_buf_data(wl->rpc_th, buf),
+ bcm_rpc_buf_len_get(wl->rpc_th, buf));
+
+ err = bcm_xdr_unpack_u32(&b, &rpc_id);
+ ASSERT(!err);
+ WL_TRACE(("%s: Dispatch id %s\n", __func__,
+ WLC_RPC_ID_LOOKUP(rpc_name_tbl, rpc_id)));
+
+ /* Handle few emergency ones */
+ switch (rpc_id) {
+ default:
+ wl_rpcq_add(wl, buf);
+ break;
+ }
+}
+
+static void wl_timer_task(wl_task_t *task)
+{
+ wl_timer_t *t = (wl_timer_t *) task->context;
+
+ _wl_timer(t);
+ kfree(task);
+
+ /* This dec is for the task_schedule. The timer related
+ * callback is decremented in _wl_timer
+ */
+ atomic_dec(&t->wl->callbacks);
+}
+#endif /* WLC_HIGH_ONLY */
+
+#ifndef WLC_HIGH_ONLY
+char *wl_firmwares[WL_MAX_FW] = {
+ "brcm/bcm43xx",
+ NULL
+};
+
+#ifdef WLC_LOW
+int wl_ucode_init_buf(wl_info_t *wl, void **pbuf, u32 idx)
+{
+ int i, entry;
+ const u8 *pdata;
+ struct wl_fw_hdr *hdr;
+ for (i = 0; i < wl->fw.fw_cnt; i++) {
+ hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
+ for (entry = 0; entry < wl->fw.hdr_num_entries[i];
+ entry++, hdr++) {
+ if (hdr->idx == idx) {
+ pdata = wl->fw.fw_bin[i]->data + hdr->offset;
+ *pbuf = kmalloc(hdr->len, GFP_ATOMIC);
+ if (*pbuf == NULL) {
+ printf("fail to alloc %d bytes\n",
+ hdr->len);
+ }
+ bcopy(pdata, *pbuf, hdr->len);
+ return 0;
+ }
+ }
+ }
+ printf("ERROR: ucode buf tag:%d can not be found!\n", idx);
+ *pbuf = NULL;
+ return -1;
+}
+
+int wl_ucode_init_uint(wl_info_t *wl, u32 *data, u32 idx)
+{
+ int i, entry;
+ const u8 *pdata;
+ struct wl_fw_hdr *hdr;
+ for (i = 0; i < wl->fw.fw_cnt; i++) {
+ hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
+ for (entry = 0; entry < wl->fw.hdr_num_entries[i];
+ entry++, hdr++) {
+ if (hdr->idx == idx) {
+ pdata = wl->fw.fw_bin[i]->data + hdr->offset;
+ ASSERT(hdr->len == 4);
+ *data = *((u32 *) pdata);
+ return 0;
+ }
+ }
+ }
+ printf("ERROR: ucode tag:%d can not be found!\n", idx);
+ return -1;
+}
+#endif /* WLC_LOW */
+
+static int wl_request_fw(wl_info_t *wl, struct pci_dev *pdev)
+{
+ int status;
+ struct device *device = &pdev->dev;
+ char fw_name[100];
+ int i;
+
+ bzero((void *)&wl->fw, sizeof(struct wl_firmware));
+ for (i = 0; i < WL_MAX_FW; i++) {
+ if (wl_firmwares[i] == NULL)
+ break;
+ sprintf(fw_name, "%s-%d.fw", wl_firmwares[i],
+ UCODE_LOADER_API_VER);
+ WL_NONE(("request fw %s\n", fw_name));
+ status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
+ if (status) {
+ printf("%s: fail to load firmware %s\n",
+ KBUILD_MODNAME, fw_name);
+ wl_release_fw(wl);
+ return status;
+ }
+ WL_NONE(("request fw %s\n", fw_name));
+ sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i],
+ UCODE_LOADER_API_VER);
+ status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
+ if (status) {
+ printf("%s: fail to load firmware %s\n",
+ KBUILD_MODNAME, fw_name);
+ wl_release_fw(wl);
+ return status;
+ }
+ wl->fw.hdr_num_entries[i] =
+ wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr));
+ WL_NONE(("request fw %s find: %d entries\n", fw_name,
+ wl->fw.hdr_num_entries[i]));
+ }
+ wl->fw.fw_cnt = i;
+ wl_ucode_data_init(wl);
+ return 0;
+}
+
+#ifdef WLC_LOW
+void wl_ucode_free_buf(void *p)
+{
+ kfree(p);
+}
+#endif /* WLC_LOW */
+
+static void wl_release_fw(wl_info_t *wl)
+{
+ int i;
+ for (i = 0; i < WL_MAX_FW; i++) {
+ release_firmware(wl->fw.fw_bin[i]);
+ release_firmware(wl->fw.fw_hdr[i]);
+ }
+}
+#endif /* WLC_HIGH_ONLY */
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