#include <linux/kernel.h>
#include <linux/etherdevice.h>
-#include <linux/string.h>
+#include <linux/types.h>
#include <linux/pci_ids.h>
-#include <bcmdefs.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/sched.h>
-#include <osl.h>
-#define WLC_MAXBSSCFG 1 /* single BSS configs */
-
-#include <wlc_cfg.h>
+#include <linux/firmware.h>
#include <net/mac80211.h>
-#include <phy_version.h>
+
+#include <proto/802.11.h>
+#include <osl.h>
+#include <bcmdefs.h>
+#include <bcmwifi.h>
#include <bcmutils.h>
#include <pcicfg.h>
#include <wlioctl.h>
-#include <wlc_key.h>
-#include <sbhndpio.h>
#include <sbhnddma.h>
-#include <wlc_channel.h>
-#include <wlc_pub.h>
-#include <wlc_scb.h>
-#include <wl_dbg.h>
-#include <wl_export.h>
-
-#include <wl_mac80211.h>
-#include <linux/firmware.h>
-#include <wl_ucode.h>
-#include <d11ucode_ext.h>
+#include "phy/wlc_phy_int.h"
+#include "d11.h"
+#include "wlc_types.h"
+#include "wlc_cfg.h"
+#include "phy/phy_version.h"
+#include "wlc_key.h"
+#include "wlc_channel.h"
+#include "wlc_scb.h"
+#include "wlc_pub.h"
+#include "wl_dbg.h"
+#include "wl_export.h"
+#include "wl_ucode.h"
+#include "d11ucode_ext.h"
+#include "wl_mac80211.h"
static void wl_timer(unsigned long data);
-static void _wl_timer(wl_timer_t *t);
+static void _wl_timer(struct wl_timer *t);
static int ieee_hw_init(struct ieee80211_hw *hw);
static int wl_start_int(struct wl_info *wl, struct ieee80211_hw *hw,
struct sk_buff *skb);
static void wl_dpc(unsigned long data);
+static irqreturn_t wl_isr(int irq, void *dev_id);
+
+static int __devinit wl_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent);
+static void wl_remove(struct pci_dev *pdev);
+static void wl_free(struct wl_info *wl);
MODULE_AUTHOR("Broadcom Corporation");
MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
};
MODULE_DEVICE_TABLE(pci, wl_id_table);
-static void wl_remove(struct pci_dev *pdev);
-
#ifdef BCMDBG
static int msglevel = 0xdeadbeef;
#define HW_TO_WL(hw) (hw->priv)
#define WL_TO_HW(wl) (wl->pub->ieee_hw)
+
+/* MAC80211 callback functions */
static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
static int wl_ops_start(struct ieee80211_hw *hw);
static void wl_ops_stop(struct ieee80211_hw *hw);
WL_NONE("%s : Initial channel: %d\n", __func__, curchan->hw_value);
*/
- WL_LOCK(wl);
ieee80211_wake_queues(hw);
- WL_UNLOCK(wl);
+ WL_LOCK(wl);
blocked = wl_rfkill_set_hw_state(wl);
+ WL_UNLOCK(wl);
if (!blocked)
wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
static void wl_ops_stop(struct ieee80211_hw *hw)
{
+#ifdef BRCMDBG
struct wl_info *wl = hw->priv;
ASSERT(wl);
- WL_LOCK(wl);
+#endif /*BRCMDBG*/
ieee80211_stop_queues(hw);
- WL_UNLOCK(wl);
}
static int
WL_UNLOCK(wl);
}
+/*
+ * precondition: perimeter lock has been acquired
+ */
static int
ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan,
enum nl80211_channel_type type)
*/
WL_ERROR("%s: %s: %sassociated\n", KBUILD_MODNAME, __func__,
info->assoc ? "" : "dis");
+ wlc_associate_upd(wl->wlc, info->assoc);
}
if (changed & BSS_CHANGED_ERP_CTS_PROT) {
/* CTS protection changed */
val = 1;
else
val = 0;
+ WL_LOCK(wl);
wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val);
+ WL_UNLOCK(wl);
}
if (changed & BSS_CHANGED_HT) {
/* 802.11n parameters changed */
u16 mode = info->ht_operation_mode;
- WL_NONE("%s: HT mode: 0x%04X (implement)\n", __func__, mode);
+ WL_NONE("%s: HT mode: 0x%04X\n", __func__, mode);
+ wlc_protection_upd(wl->wlc, WLC_PROT_N_CFG,
+ mode & IEEE80211_HT_OP_MODE_PROTECTION);
+ wlc_protection_upd(wl->wlc, WLC_PROT_N_NONGF,
+ mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+ wlc_protection_upd(wl->wlc, WLC_PROT_N_OBSS,
+ mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT);
}
if (changed & BSS_CHANGED_BASIC_RATES) {
/* Basic rateset changed */
/* Beacon interval changed */
WL_NONE("%s: Beacon Interval: %d\n",
__func__, info->beacon_int);
+ wlc_set(wl->wlc, WLC_SET_BCNPRD, info->beacon_int);
}
if (changed & BSS_CHANGED_BSSID) {
/* BSSID changed, for whatever reason (IBSS and managed mode) */
- WL_NONE("new BSSID:\taid %d bss:%pM\n",
+ WL_NONE("%s: new BSSID: aid %d bss:%pM\n", __func__,
info->aid, info->bssid);
- /* FIXME: need to store bssid in bsscfg */
+ WL_LOCK(wl);
wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET,
info->bssid);
+ WL_UNLOCK(wl);
}
if (changed & BSS_CHANGED_BEACON) {
/* Beacon data changed, retrieve new beacon (beaconing modes) */
- WL_ERROR("BSS_CHANGED_BEACON\n");
+ WL_ERROR("%s: beacon changed\n", __func__);
}
if (changed & BSS_CHANGED_BEACON_ENABLED) {
/* Beaconing should be enabled/disabled (beaconing modes) */
- WL_ERROR("Beacon enabled: %s\n",
+ WL_ERROR("%s: Beacon enabled: %s\n", __func__,
info->enable_beacon ? "true" : "false");
}
+ if (changed & BSS_CHANGED_CQM) {
+ /* Connection quality monitor config changed */
+ WL_ERROR("%s: cqm change: threshold %d, hys %d (implement)\n",
+ __func__, info->cqm_rssi_thold, info->cqm_rssi_hyst);
+ }
+ if (changed & BSS_CHANGED_IBSS) {
+ /* IBSS join status changed */
+ WL_ERROR("%s: IBSS joined: %s (implement)\n", __func__,
+ info->ibss_joined ? "true" : "false");
+ }
+ if (changed & BSS_CHANGED_ARP_FILTER) {
+ /* Hardware ARP filter address list or state changed */
+ WL_ERROR("%s: arp filtering: enabled %s, count %d (implement)\n",
+ __func__, info->arp_filter_enabled ? "true" : "false",
+ info->arp_addr_cnt);
+ }
+ if (changed & BSS_CHANGED_QOS) {
+ /*
+ * QoS for this association was enabled/disabled.
+ * Note that it is only ever disabled for station mode.
+ */
+ WL_ERROR("%s: qos enabled: %s (implement)\n", __func__,
+ info->qos ? "true" : "false");
+ }
+ if (changed & BSS_CHANGED_IDLE) {
+ /* Idle changed for this BSS/interface */
+ WL_ERROR("%s: BSS idle: %s (implement)\n", __func__,
+ info->idle ? "true" : "false");
+ }
return;
}
struct scb *scb = (struct scb *)sta->drv_priv;
#endif
struct wl_info *wl = hw->priv;
+ int status;
ASSERT(scb->magic == SCB_MAGIC);
switch (action) {
WL_NONE("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__);
break;
case IEEE80211_AMPDU_TX_START:
- if (!wlc_aggregatable(wl->wlc, tid)) {
+ WL_LOCK(wl);
+ status = wlc_aggregatable(wl->wlc, tid);
+ WL_UNLOCK(wl);
+ if (!status) {
/* WL_ERROR("START: tid %d is not agg' able, return FAILURE to stack\n", tid); */
return -1;
}
.rfkill_poll = wl_ops_rfkill_poll,
};
+/*
+ * is called in wl_pci_probe() context, therefore no locking required.
+ */
static int wl_set_hint(struct wl_info *wl, char *abbrev)
{
WL_NONE("%s: Sending country code %c%c to MAC80211\n",
* 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.
+ *
+ *
+ * is called in wl_pci_probe() context, therefore no locking required.
*/
static struct wl_info *wl_attach(u16 vendor, u16 device, unsigned long regs,
uint bustype, void *btparam, uint irq)
spin_lock_init(&wl->isr_lock);
/* prepare ucode */
- if (wl_request_fw(wl, (struct pci_dev *)btparam)) {
+ if (wl_request_fw(wl, (struct pci_dev *)btparam) < 0) {
WL_ERROR("%s: Failed to find firmware usually in %s\n",
KBUILD_MODNAME, "/lib/firmware/brcm");
wl_release_fw(wl);
goto fail;
}
- bcopy(&wl->pub->cur_etheraddr, perm, ETH_ALEN);
+ memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
ASSERT(is_valid_ether_addr(perm));
SET_IEEE80211_PERM_ADDR(hw, perm);
}
};
+/*
+ * is called in wl_pci_probe() context, therefore no locking required.
+ */
static int ieee_hw_rate_init(struct ieee80211_hw *hw)
{
struct wl_info *wl = HW_TO_WL(hw);
return 0;
}
+/*
+ * is called in wl_pci_probe() context, therefore no locking required.
+ */
static int ieee_hw_init(struct ieee80211_hw *hw)
{
hw->flags = IEEE80211_HW_SIGNAL_DBM
* This function determines if a device pointed to by pdev is a WL device,
* and if so, performs a wl_attach() on it.
*
+ * Perimeter lock is initialized in the course of this function.
*/
-int __devinit
+static int __devinit
wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
int rc;
return err;
}
+/*
+* called from both kernel as from wl_*()
+* precondition: perimeter lock is not acquired.
+*/
static void wl_remove(struct pci_dev *pdev)
{
struct wl_info *wl;
struct ieee80211_hw *hw;
+ int status;
hw = pci_get_drvdata(pdev);
wl = HW_TO_WL(hw);
return;
}
- /* make sure rfkill is not using driver */
- wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
- wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
-
- if (!wlc_chipmatch(pdev->vendor, pdev->device)) {
+ WL_LOCK(wl);
+ status = wlc_chipmatch(pdev->vendor, pdev->device);
+ WL_UNLOCK(wl);
+ if (!status) {
WL_ERROR("wl: wl_remove: wlc_chipmatch failed\n");
return;
}
if (wl->wlc) {
+ wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
+ wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
ieee80211_unregister_hw(hw);
WL_LOCK(wl);
wl_down(wl);
* This function frees resources owned by the WL device pointed to
* by the wl parameter.
*
+ * precondition: can both be called locked and unlocked
+ *
*/
-void wl_free(struct wl_info *wl)
+static void wl_free(struct wl_info *wl)
{
- wl_timer_t *t, *next;
+ struct wl_timer *t, *next;
struct osl_info *osh;
ASSERT(wl);
osl_detach(osh);
}
-/* transmit a packet */
+/*
+ * transmit a packet
+ * precondition: perimeter lock has been acquired
+ */
static int BCMFASTPATH wl_start(struct sk_buff *skb, struct wl_info *wl)
{
if (!wl)
return NETDEV_TX_OK;
}
+/*
+ * precondition: perimeter lock has been acquired
+ */
void wl_txflowcontrol(struct wl_info *wl, struct wl_if *wlif, bool state,
int prio)
{
WL_ERROR("Shouldn't be here %s\n", __func__);
}
+/*
+ * precondition: perimeter lock has been acquired
+ */
void wl_init(struct wl_info *wl)
{
WL_TRACE("wl%d: wl_init\n", wl->pub->unit);
wlc_init(wl->wlc);
}
+/*
+ * precondition: perimeter lock has been acquired
+ */
uint wl_reset(struct wl_info *wl)
{
WL_TRACE("wl%d: wl_reset\n", wl->pub->unit);
INT_UNLOCK(wl, flags);
}
+/*
+ * precondition: perimeter lock has been acquired
+ */
bool wl_alloc_dma_resources(struct wl_info *wl, uint addrwidth)
{
return true;
INT_UNLOCK(wl, flags);
}
+/*
+ * precondition: perimeter lock has been acquired
+ */
int wl_up(struct wl_info *wl)
{
int error = 0;
return error;
}
+/*
+ * precondition: perimeter lock has been acquired
+ */
void wl_down(struct wl_info *wl)
{
uint callbacks, ret_val = 0;
WL_LOCK(wl);
}
-irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id)
+static irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id)
{
struct wl_info *wl;
bool ours, wantdpc;
WL_UNLOCK(wl);
}
-static void wl_link_up(struct wl_info *wl, char *ifname)
-{
- WL_NONE("wl%d: link up (%s)\n", wl->pub->unit, ifname);
-}
-
-static void wl_link_down(struct wl_info *wl, char *ifname)
-{
- WL_NONE("wl%d: link down (%s)\n", wl->pub->unit, ifname);
-}
-
-void wl_event(struct wl_info *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;
- }
-}
-
+/*
+ * is called by the kernel from software irq context
+ */
static void wl_timer(unsigned long data)
{
- _wl_timer((wl_timer_t *) data);
+ _wl_timer((struct wl_timer *) data);
}
-static void _wl_timer(wl_timer_t *t)
+/*
+* precondition: perimeter lock is not acquired
+ */
+static void _wl_timer(struct wl_timer *t)
{
WL_LOCK(t->wl);
WL_UNLOCK(t->wl);
}
-wl_timer_t *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg), void *arg,
- const char *name)
+/*
+ * Adds a timer to the list. Caller supplies a timer function.
+ * Is called from wlc.
+ *
+ * precondition: perimeter lock has been acquired
+ */
+struct wl_timer *wl_init_timer(struct wl_info *wl, void (*fn) (void *arg),
+ void *arg, const char *name)
{
- wl_timer_t *t;
+ struct wl_timer *t;
- t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC);
+ t = kmalloc(sizeof(struct wl_timer), GFP_ATOMIC);
if (!t) {
WL_ERROR("wl%d: wl_init_timer: out of memory\n", wl->pub->unit);
return 0;
}
- memset(t, 0, sizeof(wl_timer_t));
+ memset(t, 0, sizeof(struct wl_timer));
init_timer(&t->timer);
t->timer.data = (unsigned long) 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
+ *
+ * precondition: perimeter lock has been acquired
*/
-void wl_add_timer(struct wl_info *wl, wl_timer_t *t, uint ms, int periodic)
+void wl_add_timer(struct wl_info *wl, struct wl_timer *t, uint ms, int periodic)
{
#ifdef BCMDBG
if (t->set) {
add_timer(&t->timer);
}
-/* return true if timer successfully deleted, false if still pending */
-bool wl_del_timer(struct wl_info *wl, wl_timer_t *t)
+/*
+ * return true if timer successfully deleted, false if still pending
+ *
+ * precondition: perimeter lock has been acquired
+ */
+bool wl_del_timer(struct wl_info *wl, struct wl_timer *t)
{
if (t->set) {
t->set = false;
return true;
}
-void wl_free_timer(struct wl_info *wl, wl_timer_t *t)
+/*
+ * precondition: perimeter lock has been acquired
+ */
+void wl_free_timer(struct wl_info *wl, struct wl_timer *t)
{
- wl_timer_t *tmp;
+ struct wl_timer *tmp;
/* delete the timer in case it is active */
wl_del_timer(wl, t);
}
+/*
+ * runs in software irq context
+ *
+ * precondition: perimeter lock is not acquired
+ */
static int wl_linux_watchdog(void *ctx)
{
struct wl_info *wl = (struct wl_info *) ctx;
NULL
};
+/*
+ * precondition: perimeter lock has been acquired
+ */
int wl_ucode_init_buf(struct wl_info *wl, void **pbuf, u32 idx)
{
int i, entry;
hdr->len);
goto fail;
}
- bcopy(pdata, *pbuf, hdr->len);
+ memcpy(*pbuf, pdata, hdr->len);
return 0;
}
}
WL_ERROR("ERROR: ucode buf tag:%d can not be found!\n", idx);
*pbuf = NULL;
fail:
- return -1;
+ return BCME_NOTFOUND;
}
+/*
+ * Precondition: Since this function is called in wl_pci_probe() context,
+ * no locking is required.
+ */
int wl_ucode_init_uint(struct wl_info *wl, u32 *data, u32 idx)
{
int i, entry;
return -1;
}
+/*
+ * Precondition: Since this function is called in wl_pci_probe() context,
+ * no locking is required.
+ */
static int wl_request_fw(struct wl_info *wl, struct pci_dev *pdev)
{
int status;
if (status) {
WL_ERROR("%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);
if (status) {
WL_ERROR("%s: fail to load firmware %s\n",
KBUILD_MODNAME, fw_name);
- wl_release_fw(wl);
return status;
}
wl->fw.hdr_num_entries[i] =
return wl_ucode_data_init(wl);
}
+/*
+ * precondition: can both be called locked and unlocked
+ */
void wl_ucode_free_buf(void *p)
{
kfree(p);
}
+/*
+ * Precondition: Since this function is called in wl_pci_probe() context,
+ * no locking is required.
+ */
static void wl_release_fw(struct wl_info *wl)
{
int i;
/*
* checks validity of all firmware images loaded from user space
+ *
+ * Precondition: Since this function is called in wl_pci_probe() context,
+ * no locking is required.
*/
int wl_check_firmwares(struct wl_info *wl)
{
WL_ERROR("%s: invalid bin/hdr fw\n", __func__);
rc = -EBADF;
} else if (fw_hdr->size % sizeof(struct wl_fw_hdr)) {
- WL_ERROR("%s: non integral fw hdr file size %d/%zu\n",
+ WL_ERROR("%s: non integral fw hdr file size %zu/%zu\n",
__func__, fw_hdr->size,
sizeof(struct wl_fw_hdr));
rc = -EBADF;
} else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) {
- WL_ERROR("%s: out of bounds fw file size %d\n",
+ WL_ERROR("%s: out of bounds fw file size %zu\n",
__func__, fw->size);
rc = -EBADF;
} else {
/* check if ucode section overruns firmware image */
ucode_hdr = (struct wl_fw_hdr *)fw_hdr->data;
- for (entry = 0; entry < wl->fw.hdr_num_entries[i] && rc;
- entry++, ucode_hdr++) {
+ for (entry = 0; entry < wl->fw.hdr_num_entries[i] &&
+ !rc; entry++, ucode_hdr++) {
if (ucode_hdr->offset + ucode_hdr->len >
fw->size) {
WL_ERROR("%s: conflicting bin/hdr\n",
return rc;
}
+/*
+ * precondition: perimeter lock has been acquired
+ */
bool wl_rfkill_set_hw_state(struct wl_info *wl)
{
bool blocked = wlc_check_radio_disabled(wl->wlc);
WL_NONE("%s: update hw state: blocked=%s\n", __func__,
blocked ? "true" : "false");
+ WL_UNLOCK(wl);
wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked);
if (blocked)
wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy);
+ WL_LOCK(wl);
return blocked;
}
projects / firefly-linux-kernel-4.4.55.git / blobdiff