/* Bus ops */
static int wil_if_pcie_enable(struct wil6210_priv *wil)
{
struct pci_dev *pdev = wil->pdev;
int rc;
pci_set_master(pdev);
/*
* how many MSI interrupts to request?
*/
switch (use_msi) {
case 3:
case 1:
case 0:
break;
default:
wil_err(wil, "Invalid use_msi=%d, default to 1\n",
use_msi);
use_msi = 1;
}
wil->n_msi = use_msi;
if (wil->n_msi) {
wil_dbg_misc(wil, "Setup %d MSI interrupts\n", use_msi);
rc = pci_enable_msi_block(pdev, wil->n_msi);
if (rc && (wil->n_msi == 3)) {
wil_err(wil, "3 MSI mode failed, try 1 MSI\n");
wil->n_msi = 1;
rc = pci_enable_msi_block(pdev, wil->n_msi);
}
if (rc) {
wil_err(wil, "pci_enable_msi failed, use INTx\n");
wil->n_msi = 0;
}
} else {
wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n");
}
rc = wil6210_init_irq(wil, pdev->irq);
if (rc)
goto stop_master;
/* need reset here to obtain MAC */
rc = wil_reset(wil);
if (debug_fw)
rc = 0;
if (rc)
goto release_irq;
return 0;
release_irq:
wil6210_fini_irq(wil, pdev->irq);
/* safe to call if no MSI */
pci_disable_msi(pdev);
stop_master:
pci_clear_master(pdev);
return rc;
}
void wil_link_off(struct wil6210_priv *wil)
{
struct net_device *ndev = wil_to_ndev(wil);
wil_dbg_misc(wil, "%s()\n", __func__);
netif_tx_stop_all_queues(ndev);
wil_dbg_misc(wil, "netif_tx_stop : link off\n");
netif_carrier_off(ndev);
}
static void wil_vring_free(struct wil6210_priv *wil, struct vring *vring,
int tx)
{
struct device *dev = wil_to_dev(wil);
size_t sz = vring->size * sizeof(vring->va[0]);
if (tx) {
int vring_index = vring - wil->vring_tx;
wil_dbg_misc(wil, "free Tx vring %d [%d] 0x%p:%pad 0x%p\n",
vring_index, vring->size, vring->va,
&vring->pa, vring->ctx);
} else {
wil_dbg_misc(wil, "free Rx vring [%d] 0x%p:%pad 0x%p\n",
vring->size, vring->va,
&vring->pa, vring->ctx);
}
while (!wil_vring_is_empty(vring)) {
dma_addr_t pa;
u16 dmalen;
struct wil_ctx *ctx;
if (tx) {
struct vring_tx_desc dd, *d = ⅆ
volatile struct vring_tx_desc *_d =
&vring->va[vring->swtail].tx;
ctx = &vring->ctx[vring->swtail];
*d = *_d;
wil_txdesc_unmap(dev, d, ctx);
if (ctx->skb)
dev_kfree_skb_any(ctx->skb);
vring->swtail = wil_vring_next_tail(vring);
} else { /* rx */
struct vring_rx_desc dd, *d = ⅆ
volatile struct vring_rx_desc *_d =
&vring->va[vring->swhead].rx;
ctx = &vring->ctx[vring->swhead];
*d = *_d;
pa = wil_desc_addr(&d->dma.addr);
dmalen = le16_to_cpu(d->dma.length);
dma_unmap_single(dev, pa, dmalen, DMA_FROM_DEVICE);
kfree_skb(ctx->skb);
wil_vring_advance_head(vring, 1);
}
}
dma_free_coherent(dev, sz, (void *)vring->va, vring->pa);
kfree(vring->ctx);
vring->pa = 0;
vring->va = NULL;
vring->ctx = NULL;
}
static void wil_print_crypto(struct wil6210_priv *wil,
struct cfg80211_crypto_settings *c)
{
wil_dbg_misc(wil, "WPA versions: 0x%08x cipher group 0x%08x\n",
c->wpa_versions, c->cipher_group);
wil_dbg_misc(wil, "Pairwise ciphers [%d]\n", c->n_ciphers_pairwise);
wil_dbg_misc(wil, "AKM suites [%d]\n", c->n_akm_suites);
wil_dbg_misc(wil, "Control port : %d, eth_type 0x%04x no_encrypt %d\n",
c->control_port, be16_to_cpu(c->control_port_ethertype),
c->control_port_no_encrypt);
}
static int __wil_up(struct wil6210_priv *wil)
{
struct net_device *ndev = wil_to_ndev(wil);
struct wireless_dev *wdev = wil->wdev;
int rc;
WARN_ON(!mutex_is_locked(&wil->mutex));
rc = wil_reset(wil);
if (rc)
return rc;
/* Rx VRING. After MAC and beacon */
rc = wil_rx_init(wil);
if (rc)
return rc;
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
wil_dbg_misc(wil, "type: STATION\n");
ndev->type = ARPHRD_ETHER;
break;
case NL80211_IFTYPE_AP:
wil_dbg_misc(wil, "type: AP\n");
ndev->type = ARPHRD_ETHER;
break;
case NL80211_IFTYPE_P2P_CLIENT:
wil_dbg_misc(wil, "type: P2P_CLIENT\n");
ndev->type = ARPHRD_ETHER;
break;
case NL80211_IFTYPE_P2P_GO:
wil_dbg_misc(wil, "type: P2P_GO\n");
ndev->type = ARPHRD_ETHER;
break;
case NL80211_IFTYPE_MONITOR:
wil_dbg_misc(wil, "type: Monitor\n");
ndev->type = ARPHRD_IEEE80211_RADIOTAP;
/* ARPHRD_IEEE80211 or ARPHRD_IEEE80211_RADIOTAP ? */
break;
default:
return -EOPNOTSUPP;
}
/* MAC address - pre-requisite for other commands */
wmi_set_mac_address(wil, ndev->dev_addr);
napi_enable(&wil->napi_rx);
napi_enable(&wil->napi_tx);
set_bit(wil_status_napi_en, &wil->status);
return 0;
}
/**
* Read from required position up to the end of current descriptor,
* depends on descriptor size configured during alloc request.
*/
ssize_t wil_pmc_read(struct file *filp, char __user *buf, size_t count,
loff_t *f_pos)
{
struct wil6210_priv *wil = filp->private_data;
struct pmc_ctx *pmc = &wil->pmc;
size_t retval = 0;
unsigned long long idx;
loff_t offset;
size_t pmc_size = pmc->descriptor_size * pmc->num_descriptors;
mutex_lock(&pmc->lock);
if (!wil_is_pmc_allocated(pmc)) {
wil_err(wil, "%s: error, pmc is not allocated!\n", __func__);
pmc->last_cmd_status = -EPERM;
mutex_unlock(&pmc->lock);
return -EPERM;
}
wil_dbg_misc(wil,
"%s: size %u, pos %lld\n",
__func__, (unsigned)count, *f_pos);
pmc->last_cmd_status = 0;
idx = *f_pos;
do_div(idx, pmc->descriptor_size);
offset = *f_pos - (idx * pmc->descriptor_size);
if (*f_pos >= pmc_size) {
wil_dbg_misc(wil, "%s: reached end of pmc buf: %lld >= %u\n",
__func__, *f_pos, (unsigned)pmc_size);
pmc->last_cmd_status = -ERANGE;
goto out;
}
wil_dbg_misc(wil,
"%s: read from pos %lld (descriptor %llu, offset %llu) %zu bytes\n",
__func__, *f_pos, idx, offset, count);
/* if no errors, return the copied byte count */
retval = simple_read_from_buffer(buf,
count,
&offset,
pmc->descriptors[idx].va,
pmc->descriptor_size);
*f_pos += retval;
out:
mutex_unlock(&pmc->lock);
return retval;
}
/* Bus ops */
static int wil_if_pcie_enable(struct wil6210_priv *wil)
{
struct pci_dev *pdev = wil->pdev;
int rc;
/* on platforms with buggy ACPI, pdev->msi_enabled may be set to
* allow pci_enable_device to work. This indicates INTx was not routed
* and only MSI should be used
*/
int msi_only = pdev->msi_enabled;
bool _use_msi = use_msi;
wil_dbg_misc(wil, "%s()\n", __func__);
pdev->msi_enabled = 0;
pci_set_master(pdev);
wil_dbg_misc(wil, "Setup %s interrupt\n", use_msi ? "MSI" : "INTx");
if (use_msi && pci_enable_msi(pdev)) {
wil_err(wil, "pci_enable_msi failed, use INTx\n");
_use_msi = false;
}
if (!_use_msi && msi_only) {
wil_err(wil, "Interrupt pin not routed, unable to use INTx\n");
rc = -ENODEV;
goto stop_master;
}
rc = wil6210_init_irq(wil, pdev->irq, _use_msi);
if (rc)
goto stop_master;
/* need reset here to obtain MAC */
mutex_lock(&wil->mutex);
rc = wil_reset(wil, false);
mutex_unlock(&wil->mutex);
if (rc)
goto release_irq;
return 0;
release_irq:
wil6210_fini_irq(wil, pdev->irq);
/* safe to call if no MSI */
pci_disable_msi(pdev);
stop_master:
pci_clear_master(pdev);
return rc;
}
int wil_p2p_listen(struct wil6210_priv *wil, struct wireless_dev *wdev,
unsigned int duration, struct ieee80211_channel *chan,
u64 *cookie)
{
struct wil_p2p_info *p2p = &wil->p2p;
int rc;
if (!chan)
return -EINVAL;
wil_dbg_misc(wil, "p2p_listen: duration %d\n", duration);
mutex_lock(&wil->mutex);
if (p2p->discovery_started) {
wil_err(wil, "discovery already ongoing\n");
rc = -EBUSY;
goto out;
}
memcpy(&p2p->listen_chan, chan, sizeof(*chan));
*cookie = ++p2p->cookie;
p2p->listen_duration = duration;
mutex_lock(&wil->p2p_wdev_mutex);
if (wil->scan_request) {
wil_dbg_misc(wil, "Delaying p2p listen until scan done\n");
p2p->pending_listen_wdev = wdev;
p2p->discovery_started = 1;
rc = 0;
mutex_unlock(&wil->p2p_wdev_mutex);
goto out;
}
mutex_unlock(&wil->p2p_wdev_mutex);
rc = wil_p2p_start_listen(wil);
if (rc)
goto out;
p2p->discovery_started = 1;
wil->radio_wdev = wdev;
cfg80211_ready_on_channel(wdev, *cookie, chan, duration,
GFP_KERNEL);
out:
mutex_unlock(&wil->mutex);
return rc;
}
void wil_p2p_listen_expired(struct work_struct *work)
{
struct wil_p2p_info *p2p = container_of(work,
struct wil_p2p_info, discovery_expired_work);
struct wil6210_priv *wil = container_of(p2p,
struct wil6210_priv, p2p);
u8 started;
wil_dbg_misc(wil, "p2p_listen_expired\n");
mutex_lock(&wil->mutex);
started = wil_p2p_stop_discovery(wil);
mutex_unlock(&wil->mutex);
if (started) {
mutex_lock(&wil->p2p_wdev_mutex);
cfg80211_remain_on_channel_expired(wil->radio_wdev,
p2p->cookie,
&p2p->listen_chan,
GFP_KERNEL);
wil->radio_wdev = wil->wdev;
mutex_unlock(&wil->p2p_wdev_mutex);
}
}
static int wil_cfg80211_scan(struct wiphy *wiphy,
struct cfg80211_scan_request *request)
{
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
struct wireless_dev *wdev = wil->wdev;
struct {
struct wmi_start_scan_cmd cmd;
u16 chnl[4];
} __packed cmd;
uint i, n;
int rc;
if (wil->scan_request) {
wil_err(wil, "Already scanning\n");
return -EAGAIN;
}
/* check we are client side */
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
break;
default:
return -EOPNOTSUPP;
}
/* FW don't support scan after connection attempt */
if (test_bit(wil_status_dontscan, &wil->status)) {
wil_err(wil, "Can't scan now\n");
return -EBUSY;
}
wil->scan_request = request;
mod_timer(&wil->scan_timer, jiffies + WIL6210_SCAN_TO);
memset(&cmd, 0, sizeof(cmd));
cmd.cmd.num_channels = 0;
n = min(request->n_channels, 4U);
for (i = 0; i < n; i++) {
int ch = request->channels[i]->hw_value;
if (ch == 0) {
wil_err(wil,
"Scan requested for unknown frequency %dMhz\n",
request->channels[i]->center_freq);
continue;
}
/* 0-based channel indexes */
cmd.cmd.channel_list[cmd.cmd.num_channels++].channel = ch - 1;
wil_dbg_misc(wil, "Scan for ch %d : %d MHz\n", ch,
request->channels[i]->center_freq);
}
rc = wmi_send(wil, WMI_START_SCAN_CMDID, &cmd, sizeof(cmd.cmd) +
cmd.cmd.num_channels * sizeof(cmd.cmd.channel_list[0]));
if (rc)
wil->scan_request = NULL;
return rc;
}
static void wil_disconnect_cid(struct wil6210_priv *wil, int cid)
{
uint i;
struct net_device *ndev = wil_to_ndev(wil);
struct wireless_dev *wdev = wil->wdev;
struct wil_sta_info *sta = &wil->sta[cid];
wil_dbg_misc(wil, "%s(CID %d, status %d)\n", __func__, cid,
sta->status);
sta->data_port_open = false;
if (sta->status != wil_sta_unused) {
wmi_disconnect_sta(wil, sta->addr, WLAN_REASON_DEAUTH_LEAVING);
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
/* AP-like interface */
cfg80211_del_sta(ndev, sta->addr, GFP_KERNEL);
break;
default:
break;
}
sta->status = wil_sta_unused;
}
for (i = 0; i < WIL_STA_TID_NUM; i++) {
struct wil_tid_ampdu_rx *r = sta->tid_rx[i];
sta->tid_rx[i] = NULL;
wil_tid_ampdu_rx_free(wil, r);
}
for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) {
if (wil->vring2cid_tid[i][0] == cid)
wil_vring_fini_tx(wil, i);
}
memset(&sta->stats, 0, sizeof(sta->stats));
}
int wil_priv_init(struct wil6210_priv *wil)
{
wil_dbg_misc(wil, "%s()\n", __func__);
mutex_init(&wil->mutex);
mutex_init(&wil->wmi_mutex);
init_completion(&wil->wmi_ready);
wil->pending_connect_cid = -1;
setup_timer(&wil->connect_timer, wil_connect_timer_fn, (ulong)wil);
INIT_WORK(&wil->connect_worker, wil_connect_worker);
INIT_WORK(&wil->disconnect_worker, wil_disconnect_worker);
INIT_WORK(&wil->wmi_event_worker, wmi_event_worker);
INIT_LIST_HEAD(&wil->pending_wmi_ev);
spin_lock_init(&wil->wmi_ev_lock);
wil->wmi_wq = create_singlethread_workqueue(WIL_NAME"_wmi");
if (!wil->wmi_wq)
return -EAGAIN;
wil->wmi_wq_conn = create_singlethread_workqueue(WIL_NAME"_connect");
if (!wil->wmi_wq_conn) {
destroy_workqueue(wil->wmi_wq);
return -EAGAIN;
}
return 0;
}
static void _wil6210_disconnect(struct wil6210_priv *wil, void *bssid)
{
uint i;
struct net_device *ndev = wil_to_ndev(wil);
struct wireless_dev *wdev = wil->wdev;
wil_dbg_misc(wil, "%s()\n", __func__);
wil_link_off(wil);
clear_bit(wil_status_fwconnected, &wil->status);
switch (wdev->sme_state) {
case CFG80211_SME_CONNECTED:
cfg80211_disconnected(ndev, WLAN_STATUS_UNSPECIFIED_FAILURE,
NULL, 0, GFP_KERNEL);
break;
case CFG80211_SME_CONNECTING:
cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
GFP_KERNEL);
break;
default:
break;
}
for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++)
wil_vring_fini_tx(wil, i);
clear_bit(wil_status_dontscan, &wil->status);
}
static int wil_ethtoolops_get_coalesce(struct net_device *ndev,
struct ethtool_coalesce *cp)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
u32 tx_itr_en, tx_itr_val = 0;
u32 rx_itr_en, rx_itr_val = 0;
int ret;
wil_dbg_misc(wil, "ethtoolops_get_coalesce\n");
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
tx_itr_en = wil_r(wil, RGF_DMA_ITR_TX_CNT_CTL);
if (tx_itr_en & BIT_DMA_ITR_TX_CNT_CTL_EN)
tx_itr_val = wil_r(wil, RGF_DMA_ITR_TX_CNT_TRSH);
rx_itr_en = wil_r(wil, RGF_DMA_ITR_RX_CNT_CTL);
if (rx_itr_en & BIT_DMA_ITR_RX_CNT_CTL_EN)
rx_itr_val = wil_r(wil, RGF_DMA_ITR_RX_CNT_TRSH);
wil_pm_runtime_put(wil);
cp->tx_coalesce_usecs = tx_itr_val;
cp->rx_coalesce_usecs = rx_itr_val;
return 0;
}
/**
* Status of the last operation requested via debugfs: alloc/free/read.
* 0 - success or negative errno
*/
int wil_pmc_last_cmd_status(struct wil6210_priv *wil)
{
wil_dbg_misc(wil, "%s: status %d\n", __func__,
wil->pmc.last_cmd_status);
return wil->pmc.last_cmd_status;
}
static void wil_pcie_remove(struct pci_dev *pdev)
{
struct wil6210_priv *wil = pci_get_drvdata(pdev);
void __iomem *csr = wil->csr;
wil_dbg_misc(wil, "%s()\n", __func__);
#ifdef CONFIG_PM
#ifdef CONFIG_PM_SLEEP
unregister_pm_notifier(&wil->pm_notify);
#endif /* CONFIG_PM_SLEEP */
#endif /* CONFIG_PM */
wil6210_debugfs_remove(wil);
rtnl_lock();
wil_p2p_wdev_free(wil);
rtnl_unlock();
wil_if_remove(wil);
wil_if_pcie_disable(wil);
pci_iounmap(pdev, csr);
pci_release_region(pdev, 0);
pci_disable_device(pdev);
if (wil->platform_ops.uninit)
wil->platform_ops.uninit(wil->platform_handle);
wil_if_free(wil);
}
void wil_p2p_search_expired(struct work_struct *work)
{
struct wil_p2p_info *p2p = container_of(work,
struct wil_p2p_info, discovery_expired_work);
struct wil6210_priv *wil = container_of(p2p,
struct wil6210_priv, p2p);
u8 started;
wil_dbg_misc(wil, "%s()\n", __func__);
mutex_lock(&wil->mutex);
started = wil_p2p_stop_discovery(wil);
mutex_unlock(&wil->mutex);
if (started) {
struct cfg80211_scan_info info = {
.aborted = false,
};
mutex_lock(&wil->p2p_wdev_mutex);
cfg80211_scan_done(wil->scan_request, &info);
wil->scan_request = NULL;
wil->radio_wdev = wil->wdev;
mutex_unlock(&wil->p2p_wdev_mutex);
}
}
static int wil_stop(struct net_device *ndev)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
wil_dbg_misc(wil, "%s()\n", __func__);
return wil_down(wil);
}
static void wil_ethtoolops_complete(struct net_device *ndev)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
wil_dbg_misc(wil, "ethtoolops_complete\n");
mutex_unlock(&wil->mutex);
}
void wil_p2p_discovery_timer_fn(struct timer_list *t)
{
struct wil6210_priv *wil = from_timer(wil, t, p2p.discovery_timer);
wil_dbg_misc(wil, "p2p_discovery_timer_fn\n");
schedule_work(&wil->p2p.discovery_expired_work);
}
void wil_p2p_discovery_timer_fn(ulong x)
{
struct wil6210_priv *wil = (void *)x;
wil_dbg_misc(wil, "%s\n", __func__);
schedule_work(&wil->p2p.discovery_expired_work);
}
void wil_if_remove(struct wil6210_priv *wil)
{
struct net_device *ndev = wil_to_ndev(wil);
wil_dbg_misc(wil, "%s()\n", __func__);
unregister_netdev(ndev);
}
void wil_link_on(struct wil6210_priv *wil)
{
struct net_device *ndev = wil_to_ndev(wil);
wil_dbg_misc(wil, "%s()\n", __func__);
netif_carrier_on(ndev);
netif_tx_wake_all_queues(ndev);
}
int wil_p2p_listen(struct wil6210_priv *wil, unsigned int duration,
struct ieee80211_channel *chan, u64 *cookie)
{
struct wil_p2p_info *p2p = &wil->p2p;
u8 channel = P2P_DMG_SOCIAL_CHANNEL;
int rc;
if (!chan)
return -EINVAL;
channel = chan->hw_value;
wil_dbg_misc(wil, "%s: duration %d\n", __func__, duration);
mutex_lock(&wil->mutex);
if (p2p->discovery_started) {
wil_err(wil, "%s: discovery already ongoing\n", __func__);
rc = -EBUSY;
goto out;
}
rc = wmi_p2p_cfg(wil, channel, P2P_DEFAULT_BI);
if (rc) {
wil_err(wil, "%s: wmi_p2p_cfg failed\n", __func__);
goto out;
}
rc = wmi_set_ssid(wil, strlen(P2P_WILDCARD_SSID), P2P_WILDCARD_SSID);
if (rc) {
wil_err(wil, "%s: wmi_set_ssid failed\n", __func__);
goto out_stop;
}
rc = wmi_start_listen(wil);
if (rc) {
wil_err(wil, "%s: wmi_start_listen failed\n", __func__);
goto out_stop;
}
memcpy(&p2p->listen_chan, chan, sizeof(*chan));
*cookie = ++p2p->cookie;
p2p->discovery_started = 1;
INIT_WORK(&p2p->discovery_expired_work, wil_p2p_listen_expired);
mod_timer(&p2p->discovery_timer,
jiffies + msecs_to_jiffies(duration));
out_stop:
if (rc)
wmi_stop_discovery(wil);
out:
mutex_unlock(&wil->mutex);
return rc;
}
static int wil_ethtoolops_begin(struct net_device *ndev)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
mutex_lock(&wil->mutex);
wil_dbg_misc(wil, "ethtoolops_begin\n");
return 0;
}
static int wil_do_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
int ret = wil_ioctl(wil, ifr->ifr_data, cmd);
wil_dbg_misc(wil, "ioctl(0x%04x) -> %d\n", cmd, ret);
return ret;
}
static int wil_vring_alloc(struct wil6210_priv *wil, struct vring *vring)
{
struct device *dev = wil_to_dev(wil);
size_t sz = vring->size * sizeof(vring->va[0]);
uint i;
wil_dbg_misc(wil, "%s()\n", __func__);
BUILD_BUG_ON(sizeof(vring->va[0]) != 32);
vring->swhead = 0;
vring->swtail = 0;
vring->ctx = kcalloc(vring->size, sizeof(vring->ctx[0]), GFP_KERNEL);
if (!vring->ctx) {
vring->va = NULL;
return -ENOMEM;
}
/*
* vring->va should be aligned on its size rounded up to power of 2
* This is granted by the dma_alloc_coherent
*/
vring->va = dma_alloc_coherent(dev, sz, &vring->pa, GFP_KERNEL);
if (!vring->va) {
kfree(vring->ctx);
vring->ctx = NULL;
return -ENOMEM;
}
/* initially, all descriptors are SW owned
* For Tx and Rx, ownership bit is at the same location, thus
* we can use any
*/
for (i = 0; i < vring->size; i++) {
volatile struct vring_tx_desc *_d = &vring->va[i].tx;
_d->dma.status = TX_DMA_STATUS_DU;
}
wil_dbg_misc(wil, "vring[%d] 0x%p:%pad 0x%p\n", vring->size,
vring->va, &vring->pa, vring->ctx);
return 0;
}
static void wil_connect_timer_fn(ulong x)
{
struct wil6210_priv *wil = (void *)x;
wil_dbg_misc(wil, "Connect timeout\n");
/* reschedule to thread context - disconnect won't
* run from atomic context
*/
schedule_work(&wil->disconnect_worker);
}
static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid)
{
int cid = -ENOENT;
struct net_device *ndev = wil_to_ndev(wil);
struct wireless_dev *wdev = wil->wdev;
might_sleep();
if (bssid) {
cid = wil_find_cid(wil, bssid);
wil_dbg_misc(wil, "%s(%pM, CID %d)\n", __func__, bssid, cid);
} else {
wil_dbg_misc(wil, "%s(all)\n", __func__);
}
if (cid >= 0) /* disconnect 1 peer */
wil_disconnect_cid(wil, cid);
else /* disconnect all */
for (cid = 0; cid < WIL6210_MAX_CID; cid++)
wil_disconnect_cid(wil, cid);
/* link state */
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
wil_link_off(wil);
if (test_bit(wil_status_fwconnected, &wil->status)) {
clear_bit(wil_status_fwconnected, &wil->status);
cfg80211_disconnected(ndev,
WLAN_STATUS_UNSPECIFIED_FAILURE,
NULL, 0, GFP_KERNEL);
} else if (test_bit(wil_status_fwconnecting, &wil->status)) {
cfg80211_connect_result(ndev, bssid, NULL, 0, NULL, 0,
WLAN_STATUS_UNSPECIFIED_FAILURE,
GFP_KERNEL);
}
clear_bit(wil_status_fwconnecting, &wil->status);
break;
default:
break;
}
}
static int wil_ethtoolops_set_coalesce(struct net_device *ndev,
struct ethtool_coalesce *cp)
{
struct wil6210_priv *wil = ndev_to_wil(ndev);
int ret;
wil_dbg_misc(wil, "ethtoolops_set_coalesce: rx %d usec, tx %d usec\n",
cp->rx_coalesce_usecs, cp->tx_coalesce_usecs);
if (wil->wdev->iftype == NL80211_IFTYPE_MONITOR) {
wil_dbg_misc(wil, "No IRQ coalescing in monitor mode\n");
return -EINVAL;
}
/* only @rx_coalesce_usecs and @tx_coalesce_usecs supported,
* ignore other parameters
*/
if (cp->rx_coalesce_usecs > WIL6210_ITR_TRSH_MAX ||
cp->tx_coalesce_usecs > WIL6210_ITR_TRSH_MAX)
goto out_bad;
wil->tx_max_burst_duration = cp->tx_coalesce_usecs;
wil->rx_max_burst_duration = cp->rx_coalesce_usecs;
ret = wil_pm_runtime_get(wil);
if (ret < 0)
return ret;
wil_configure_interrupt_moderation(wil);
wil_pm_runtime_put(wil);
return 0;
out_bad:
wil_dbg_misc(wil, "Unsupported coalescing params. Raw command:\n");
print_hex_dump_debug("DBG[MISC] coal ", DUMP_PREFIX_OFFSET, 16, 4,
cp, sizeof(*cp), false);
return -EINVAL;
}