#include <linux/if_arp.h>
#include <net/ieee80211_radiotap.h>
-#include <net/lib80211.h>
#include <net/mac80211.h>
#include <asm/div64.h>
/* module parameters */
struct iwl_mod_params iwl3945_mod_params = {
- .num_of_queues = IWL39_NUM_QUEUES, /* Not used */
.sw_crypto = 1,
.restart_fw = 1,
/* the rest are 0 by default */
struct sk_buff *skb_frag,
int sta_id)
{
- struct iwl3945_tx_cmd *tx = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
+ struct iwl3945_tx_cmd *tx_cmd = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
struct iwl_hw_key *keyinfo = &priv->stations[sta_id].keyinfo;
switch (keyinfo->alg) {
case ALG_CCMP:
- tx->sec_ctl = TX_CMD_SEC_CCM;
- memcpy(tx->key, keyinfo->key, keyinfo->keylen);
+ tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
+ memcpy(tx_cmd->key, keyinfo->key, keyinfo->keylen);
IWL_DEBUG_TX(priv, "tx_cmd with AES hwcrypto\n");
break;
break;
case ALG_WEP:
- tx->sec_ctl = TX_CMD_SEC_WEP |
+ tx_cmd->sec_ctl = TX_CMD_SEC_WEP |
(info->control.hw_key->hw_key_idx & TX_CMD_SEC_MSK) << TX_CMD_SEC_SHIFT;
if (keyinfo->keylen == 13)
- tx->sec_ctl |= TX_CMD_SEC_KEY128;
+ tx_cmd->sec_ctl |= TX_CMD_SEC_KEY128;
- memcpy(&tx->key[3], keyinfo->key, keyinfo->keylen);
+ memcpy(&tx_cmd->key[3], keyinfo->key, keyinfo->keylen);
IWL_DEBUG_TX(priv, "Configuring packet for WEP encryption "
"with key %d\n", info->control.hw_key->hw_key_idx);
struct ieee80211_tx_info *info,
struct ieee80211_hdr *hdr, u8 std_id)
{
- struct iwl3945_tx_cmd *tx = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
- __le32 tx_flags = tx->tx_flags;
+ struct iwl3945_tx_cmd *tx_cmd = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
+ __le32 tx_flags = tx_cmd->tx_flags;
__le16 fc = hdr->frame_control;
- u8 rc_flags = info->control.rates[0].flags;
- tx->stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
+ tx_cmd->stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
tx_flags |= TX_CMD_FLG_ACK_MSK;
if (ieee80211_is_mgmt(fc))
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
}
- tx->sta_id = std_id;
+ tx_cmd->sta_id = std_id;
if (ieee80211_has_morefrags(fc))
tx_flags |= TX_CMD_FLG_MORE_FRAG_MSK;
if (ieee80211_is_data_qos(fc)) {
u8 *qc = ieee80211_get_qos_ctl(hdr);
- tx->tid_tspec = qc[0] & 0xf;
+ tx_cmd->tid_tspec = qc[0] & 0xf;
tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
} else {
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
}
- if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
- tx_flags |= TX_CMD_FLG_RTS_MSK;
- tx_flags &= ~TX_CMD_FLG_CTS_MSK;
- } else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
- tx_flags &= ~TX_CMD_FLG_RTS_MSK;
- tx_flags |= TX_CMD_FLG_CTS_MSK;
- }
+ priv->cfg->ops->utils->rts_tx_cmd_flag(info, &tx_flags);
if ((tx_flags & TX_CMD_FLG_RTS_MSK) || (tx_flags & TX_CMD_FLG_CTS_MSK))
tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;
tx_flags &= ~(TX_CMD_FLG_ANT_SEL_MSK);
if (ieee80211_is_mgmt(fc)) {
if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc))
- tx->timeout.pm_frame_timeout = cpu_to_le16(3);
+ tx_cmd->timeout.pm_frame_timeout = cpu_to_le16(3);
else
- tx->timeout.pm_frame_timeout = cpu_to_le16(2);
+ tx_cmd->timeout.pm_frame_timeout = cpu_to_le16(2);
} else {
- tx->timeout.pm_frame_timeout = 0;
-#ifdef CONFIG_IWLWIFI_LEDS
- priv->rxtxpackets += le16_to_cpu(cmd->cmd.tx.len);
-#endif
+ tx_cmd->timeout.pm_frame_timeout = 0;
}
- tx->driver_txop = 0;
- tx->tx_flags = tx_flags;
- tx->next_frame_len = 0;
+ tx_cmd->driver_txop = 0;
+ tx_cmd->tx_flags = tx_flags;
+ tx_cmd->next_frame_len = 0;
}
/*
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
- struct iwl3945_tx_cmd *tx;
+ struct iwl3945_tx_cmd *tx_cmd;
struct iwl_tx_queue *txq = NULL;
struct iwl_queue *q = NULL;
struct iwl_device_cmd *out_cmd;
/* Init first empty entry in queue's array of Tx/cmd buffers */
out_cmd = txq->cmd[idx];
out_meta = &txq->meta[idx];
- tx = (struct iwl3945_tx_cmd *)out_cmd->cmd.payload;
+ tx_cmd = (struct iwl3945_tx_cmd *)out_cmd->cmd.payload;
memset(&out_cmd->hdr, 0, sizeof(out_cmd->hdr));
- memset(tx, 0, sizeof(*tx));
+ memset(tx_cmd, 0, sizeof(*tx_cmd));
/*
* Set up the Tx-command (not MAC!) header.
INDEX_TO_SEQ(q->write_ptr)));
/* Copy MAC header from skb into command buffer */
- memcpy(tx->hdr, hdr, hdr_len);
+ memcpy(tx_cmd->hdr, hdr, hdr_len);
if (info->control.hw_key)
/* Total # bytes to be transmitted */
len = (u16)skb->len;
- tx->len = cpu_to_le16(len);
+ tx_cmd->len = cpu_to_le16(len);
iwl_dbg_log_tx_data_frame(priv, len, hdr);
iwl_update_stats(priv, true, fc, len);
- tx->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK;
- tx->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK;
+ tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK;
+ tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK;
if (!ieee80211_has_morefrags(hdr->frame_control)) {
txq->need_update = 1;
IWL_DEBUG_TX(priv, "sequence nr = 0X%x \n",
le16_to_cpu(out_cmd->hdr.sequence));
- IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx->tx_flags));
- iwl_print_hex_dump(priv, IWL_DL_TX, tx, sizeof(*tx));
- iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx->hdr,
+ IWL_DEBUG_TX(priv, "tx_flags = 0X%x \n", le32_to_cpu(tx_cmd->tx_flags));
+ iwl_print_hex_dump(priv, IWL_DL_TX, tx_cmd, sizeof(*tx_cmd));
+ iwl_print_hex_dump(priv, IWL_DL_TX, (u8 *)tx_cmd->hdr,
ieee80211_hdrlen(fc));
/*
u8 type)
{
struct iwl_spectrum_cmd spectrum;
- struct iwl_rx_packet *res;
+ struct iwl_rx_packet *pkt;
struct iwl_host_cmd cmd = {
.id = REPLY_SPECTRUM_MEASUREMENT_CMD,
.data = (void *)&spectrum,
if (rc)
return rc;
- res = (struct iwl_rx_packet *)cmd.reply_skb->data;
- if (res->hdr.flags & IWL_CMD_FAILED_MSK) {
+ pkt = (struct iwl_rx_packet *)cmd.reply_page;
+ if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) {
IWL_ERR(priv, "Bad return from REPLY_RX_ON_ASSOC command\n");
rc = -EIO;
}
- spectrum_resp_status = le16_to_cpu(res->u.spectrum.status);
+ spectrum_resp_status = le16_to_cpu(pkt->u.spectrum.status);
switch (spectrum_resp_status) {
case 0: /* Command will be handled */
- if (res->u.spectrum.id != 0xff) {
+ if (pkt->u.spectrum.id != 0xff) {
IWL_DEBUG_INFO(priv, "Replaced existing measurement: %d\n",
- res->u.spectrum.id);
+ pkt->u.spectrum.id);
priv->measurement_status &= ~MEASUREMENT_READY;
}
priv->measurement_status |= MEASUREMENT_ACTIVE;
break;
}
- dev_kfree_skb_any(cmd.reply_skb);
+ free_pages(cmd.reply_page, priv->hw_params.rx_page_order);
return rc;
}
static void iwl3945_rx_reply_alive(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
- struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_alive_resp *palive;
struct delayed_work *pwork;
struct iwl_rx_mem_buffer *rxb)
{
#ifdef CONFIG_IWLWIFI_DEBUG
- struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
#endif
IWL_DEBUG_RX(priv, "Received REPLY_ADD_STA: 0x%02X\n", pkt->u.status);
struct iwl_rx_mem_buffer *rxb)
{
#ifdef CONFIG_IWLWIFI_DEBUG
- struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl3945_beacon_notif *beacon = &(pkt->u.beacon_status);
u8 rate = beacon->beacon_notify_hdr.rate;
static void iwl3945_rx_card_state_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb)
{
- struct iwl_rx_packet *pkt = (void *)rxb->skb->data;
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
u32 flags = le32_to_cpu(pkt->u.card_state_notif.flags);
unsigned long status = priv->status;
list_del(element);
/* Point to Rx buffer via next RBD in circular buffer */
- rxq->bd[rxq->write] = iwl3945_dma_addr2rbd_ptr(priv, rxb->real_dma_addr);
+ rxq->bd[rxq->write] = iwl3945_dma_addr2rbd_ptr(priv, rxb->page_dma);
rxq->queue[rxq->write] = rxb;
rxq->write = (rxq->write + 1) & RX_QUEUE_MASK;
rxq->free_count--;
struct iwl_rx_queue *rxq = &priv->rxq;
struct list_head *element;
struct iwl_rx_mem_buffer *rxb;
- struct sk_buff *skb;
+ struct page *page;
unsigned long flags;
+ gfp_t gfp_mask = priority;
while (1) {
spin_lock_irqsave(&rxq->lock, flags);
spin_unlock_irqrestore(&rxq->lock, flags);
if (rxq->free_count > RX_LOW_WATERMARK)
- priority |= __GFP_NOWARN;
+ gfp_mask |= __GFP_NOWARN;
+
+ if (priv->hw_params.rx_page_order > 0)
+ gfp_mask |= __GFP_COMP;
+
/* Alloc a new receive buffer */
- skb = alloc_skb(priv->hw_params.rx_buf_size, priority);
- if (!skb) {
+ page = alloc_pages(gfp_mask, priv->hw_params.rx_page_order);
+ if (!page) {
if (net_ratelimit())
IWL_DEBUG_INFO(priv, "Failed to allocate SKB buffer.\n");
if ((rxq->free_count <= RX_LOW_WATERMARK) &&
spin_lock_irqsave(&rxq->lock, flags);
if (list_empty(&rxq->rx_used)) {
spin_unlock_irqrestore(&rxq->lock, flags);
- dev_kfree_skb_any(skb);
+ __free_pages(page, priv->hw_params.rx_page_order);
return;
}
element = rxq->rx_used.next;
list_del(element);
spin_unlock_irqrestore(&rxq->lock, flags);
- rxb->skb = skb;
-
- /* If radiotap head is required, reserve some headroom here.
- * The physical head count is a variable rx_stats->phy_count.
- * We reserve 4 bytes here. Plus these extra bytes, the
- * headroom of the physical head should be enough for the
- * radiotap head that iwl3945 supported. See iwl3945_rt.
- */
- skb_reserve(rxb->skb, 4);
-
+ rxb->page = page;
/* Get physical address of RB/SKB */
- rxb->real_dma_addr = pci_map_single(priv->pci_dev,
- rxb->skb->data,
- priv->hw_params.rx_buf_size,
- PCI_DMA_FROMDEVICE);
+ rxb->page_dma = pci_map_page(priv->pci_dev, page, 0,
+ PAGE_SIZE << priv->hw_params.rx_page_order,
+ PCI_DMA_FROMDEVICE);
spin_lock_irqsave(&rxq->lock, flags);
+
list_add_tail(&rxb->list, &rxq->rx_free);
- priv->alloc_rxb_skb++;
rxq->free_count++;
+ priv->alloc_rxb_page++;
+
spin_unlock_irqrestore(&rxq->lock, flags);
}
}
for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) {
/* In the reset function, these buffers may have been allocated
* to an SKB, so we need to unmap and free potential storage */
- if (rxq->pool[i].skb != NULL) {
- pci_unmap_single(priv->pci_dev,
- rxq->pool[i].real_dma_addr,
- priv->hw_params.rx_buf_size,
- PCI_DMA_FROMDEVICE);
- priv->alloc_rxb_skb--;
- dev_kfree_skb(rxq->pool[i].skb);
- rxq->pool[i].skb = NULL;
+ if (rxq->pool[i].page != NULL) {
+ pci_unmap_page(priv->pci_dev, rxq->pool[i].page_dma,
+ PAGE_SIZE << priv->hw_params.rx_page_order,
+ PCI_DMA_FROMDEVICE);
+ priv->alloc_rxb_page--;
+ __free_pages(rxq->pool[i].page,
+ priv->hw_params.rx_page_order);
+ rxq->pool[i].page = NULL;
}
list_add_tail(&rxq->pool[i].list, &rxq->rx_used);
}
/* Set us so that we have processed and used all buffers, but have
* not restocked the Rx queue with fresh buffers */
rxq->read = rxq->write = 0;
- rxq->free_count = 0;
rxq->write_actual = 0;
+ rxq->free_count = 0;
spin_unlock_irqrestore(&rxq->lock, flags);
}
{
int i;
for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) {
- if (rxq->pool[i].skb != NULL) {
- pci_unmap_single(priv->pci_dev,
- rxq->pool[i].real_dma_addr,
- priv->hw_params.rx_buf_size,
- PCI_DMA_FROMDEVICE);
- dev_kfree_skb(rxq->pool[i].skb);
+ if (rxq->pool[i].page != NULL) {
+ pci_unmap_page(priv->pci_dev, rxq->pool[i].page_dma,
+ PAGE_SIZE << priv->hw_params.rx_page_order,
+ PCI_DMA_FROMDEVICE);
+ __free_pages(rxq->pool[i].page,
+ priv->hw_params.rx_page_order);
+ rxq->pool[i].page = NULL;
+ priv->alloc_rxb_page--;
}
}
i = rxq->read;
/* calculate total frames need to be restock after handling RX */
- total_empty = r - priv->rxq.write_actual;
+ total_empty = r - rxq->write_actual;
if (total_empty < 0)
total_empty += RX_QUEUE_SIZE;
rxq->queue[i] = NULL;
- pci_unmap_single(priv->pci_dev, rxb->real_dma_addr,
- priv->hw_params.rx_buf_size,
- PCI_DMA_FROMDEVICE);
- pkt = (struct iwl_rx_packet *)rxb->skb->data;
+ pci_unmap_page(priv->pci_dev, rxb->page_dma,
+ PAGE_SIZE << priv->hw_params.rx_page_order,
+ PCI_DMA_FROMDEVICE);
+ pkt = rxb_addr(rxb);
+
+ trace_iwlwifi_dev_rx(priv, pkt,
+ le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK);
/* Reclaim a command buffer only if this packet is a response
* to a (driver-originated) command.
if (priv->rx_handlers[pkt->hdr.cmd]) {
IWL_DEBUG_RX(priv, "r = %d, i = %d, %s, 0x%02x\n", r, i,
get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
- priv->rx_handlers[pkt->hdr.cmd] (priv, rxb);
priv->isr_stats.rx_handlers[pkt->hdr.cmd]++;
+ priv->rx_handlers[pkt->hdr.cmd] (priv, rxb);
} else {
/* No handling needed */
- IWL_DEBUG_RX(priv, "r %d i %d No handler needed for %s, 0x%02x\n",
+ IWL_DEBUG_RX(priv,
+ "r %d i %d No handler needed for %s, 0x%02x\n",
r, i, get_cmd_string(pkt->hdr.cmd),
pkt->hdr.cmd);
}
+ /*
+ * XXX: After here, we should always check rxb->page
+ * against NULL before touching it or its virtual
+ * memory (pkt). Because some rx_handler might have
+ * already taken or freed the pages.
+ */
+
if (reclaim) {
- /* Invoke any callbacks, transfer the skb to caller, and
- * fire off the (possibly) blocking iwl_send_cmd()
+ /* Invoke any callbacks, transfer the buffer to caller,
+ * and fire off the (possibly) blocking iwl_send_cmd()
* as we reclaim the driver command queue */
- if (rxb && rxb->skb)
+ if (rxb->page)
iwl_tx_cmd_complete(priv, rxb);
else
IWL_WARN(priv, "Claim null rxb?\n");
}
- /* For now we just don't re-use anything. We can tweak this
- * later to try and re-use notification packets and SKBs that
- * fail to Rx correctly */
- if (rxb->skb != NULL) {
- priv->alloc_rxb_skb--;
- dev_kfree_skb_any(rxb->skb);
- rxb->skb = NULL;
- }
-
+ /* Reuse the page if possible. For notification packets and
+ * SKBs that fail to Rx correctly, add them back into the
+ * rx_free list for reuse later. */
spin_lock_irqsave(&rxq->lock, flags);
- list_add_tail(&rxb->list, &priv->rxq.rx_used);
+ if (rxb->page != NULL) {
+ rxb->page_dma = pci_map_page(priv->pci_dev, rxb->page,
+ 0, PAGE_SIZE << priv->hw_params.rx_page_order,
+ PCI_DMA_FROMDEVICE);
+ list_add_tail(&rxb->list, &rxq->rx_free);
+ rxq->free_count++;
+ } else
+ list_add_tail(&rxb->list, &rxq->rx_used);
+
spin_unlock_irqrestore(&rxq->lock, flags);
+
i = (i + 1) & RX_QUEUE_MASK;
/* If there are a lot of unused frames,
* restock the Rx queue so ucode won't assert. */
if (fill_rx) {
count++;
if (count >= 8) {
- priv->rxq.read = i;
+ rxq->read = i;
iwl3945_rx_replenish_now(priv);
count = 0;
}
}
/* Backtrack one entry */
- priv->rxq.read = i;
+ rxq->read = i;
if (fill_rx)
iwl3945_rx_replenish_now(priv);
else
"%-13s (#%d) %010u 0x%05X 0x%05X 0x%05X 0x%05X %u\n\n",
desc_lookup(desc), desc, time, blink1, blink2,
ilink1, ilink2, data1);
+ trace_iwlwifi_dev_ucode_error(priv, desc, time, data1, 0,
+ 0, blink1, blink2, ilink1, ilink2);
}
-
}
#define EVENT_START_OFFSET (6 * sizeof(u32))
u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
u32 ptr; /* SRAM byte address of log data */
u32 ev, time, data; /* event log data */
+ unsigned long reg_flags;
if (num_events == 0)
return;
ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
+ /* Make sure device is powered up for SRAM reads */
+ spin_lock_irqsave(&priv->reg_lock, reg_flags);
+ iwl_grab_nic_access(priv);
+
+ /* Set starting address; reads will auto-increment */
+ _iwl_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr);
+ rmb();
+
/* "time" is actually "data" for mode 0 (no timestamp).
* place event id # at far right for easier visual parsing. */
for (i = 0; i < num_events; i++) {
- ev = iwl_read_targ_mem(priv, ptr);
- ptr += sizeof(u32);
- time = iwl_read_targ_mem(priv, ptr);
- ptr += sizeof(u32);
+ ev = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
+ time = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
if (mode == 0) {
/* data, ev */
IWL_ERR(priv, "0x%08x\t%04u\n", time, ev);
+ trace_iwlwifi_dev_ucode_event(priv, 0, time, ev);
} else {
- data = iwl_read_targ_mem(priv, ptr);
- ptr += sizeof(u32);
+ data = _iwl_read_direct32(priv, HBUS_TARG_MEM_RDAT);
IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", time, data, ev);
+ trace_iwlwifi_dev_ucode_event(priv, time, data, ev);
}
}
+
+ /* Allow device to power down */
+ iwl_release_nic_access(priv);
+ spin_unlock_irqrestore(&priv->reg_lock, reg_flags);
}
+/* For sanity check only. Actual size is determined by uCode, typ. 512 */
+#define IWL3945_MAX_EVENT_LOG_SIZE (512)
+
void iwl3945_dump_nic_event_log(struct iwl_priv *priv)
{
u32 base; /* SRAM byte address of event log header */
num_wraps = iwl_read_targ_mem(priv, base + (2 * sizeof(u32)));
next_entry = iwl_read_targ_mem(priv, base + (3 * sizeof(u32)));
+ if (capacity > IWL3945_MAX_EVENT_LOG_SIZE) {
+ IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n",
+ capacity, IWL3945_MAX_EVENT_LOG_SIZE);
+ capacity = IWL3945_MAX_EVENT_LOG_SIZE;
+ }
+
+ if (next_entry > IWL3945_MAX_EVENT_LOG_SIZE) {
+ IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
+ next_entry, IWL3945_MAX_EVENT_LOG_SIZE);
+ next_entry = IWL3945_MAX_EVENT_LOG_SIZE;
+ }
+
size = num_wraps ? capacity : next_entry;
/* bail out if nothing in log */
}
#endif
+ spin_unlock_irqrestore(&priv->lock, flags);
+
/* Since CSR_INT and CSR_FH_INT_STATUS reads and clears are not
* atomic, make sure that inta covers all the interrupts that
* we've discovered, even if FH interrupt came in just after
handled |= CSR_INT_BIT_HW_ERR;
- spin_unlock_irqrestore(&priv->lock, flags);
-
return;
}
"flags 0x%08lx\n", inta, inta_mask, inta_fh, flags);
}
#endif
- spin_unlock_irqrestore(&priv->lock, flags);
}
static int iwl3945_get_channels_for_scan(struct iwl_priv *priv,
IWL_UCODE_API(priv->ucode_ver),
IWL_UCODE_SERIAL(priv->ucode_ver));
+ snprintf(priv->hw->wiphy->fw_version,
+ sizeof(priv->hw->wiphy->fw_version),
+ "%u.%u.%u.%u",
+ IWL_UCODE_MAJOR(priv->ucode_ver),
+ IWL_UCODE_MINOR(priv->ucode_ver),
+ IWL_UCODE_API(priv->ucode_ver),
+ IWL_UCODE_SERIAL(priv->ucode_ver));
+
IWL_DEBUG_INFO(priv, "f/w package hdr ucode version raw = 0x%x\n",
priv->ucode_ver);
IWL_DEBUG_INFO(priv, "f/w package hdr runtime inst size = %u\n",
iwl3945_reg_txpower_periodic(priv);
- iwl3945_led_register(priv);
+ iwl_leds_init(priv);
IWL_DEBUG_INFO(priv, "ALIVE processing complete.\n");
set_bit(STATUS_READY, &priv->status);
if (!exit_pending)
set_bit(STATUS_EXIT_PENDING, &priv->status);
- iwl3945_led_unregister(priv);
iwl_clear_stations_table(priv);
/* Unblock any waiting calls */
test_bit(STATUS_EXIT_PENDING, &priv->status) <<
STATUS_EXIT_PENDING;
- priv->cfg->ops->lib->apm_ops.reset(priv);
- spin_lock_irqsave(&priv->lock, flags);
- iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
- spin_unlock_irqrestore(&priv->lock, flags);
-
iwl3945_hw_txq_ctx_stop(priv);
iwl3945_hw_rxq_stop(priv);
- iwl_write_prph(priv, APMG_CLK_DIS_REG,
- APMG_CLK_VAL_DMA_CLK_RQT);
-
+ /* Power-down device's busmaster DMA clocks */
+ iwl_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT);
udelay(5);
- if (exit_pending)
- priv->cfg->ops->lib->apm_ops.stop(priv);
- else
- priv->cfg->ops->lib->apm_ops.reset(priv);
+ /* Stop the device, and put it in low power state */
+ priv->cfg->ops->lib->apm_ops.stop(priv);
exit:
memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp));
mutex_unlock(&priv->mutex);
}
+/*
+ * 3945 cannot interrupt driver when hardware rf kill switch toggles;
+ * driver must poll CSR_GP_CNTRL_REG register for change. This register
+ * *is* readable even when device has been SW_RESET into low power mode
+ * (e.g. during RF KILL).
+ */
static void iwl3945_rfkill_poll(struct work_struct *data)
{
struct iwl_priv *priv =
container_of(data, struct iwl_priv, rfkill_poll.work);
+ bool old_rfkill = test_bit(STATUS_RF_KILL_HW, &priv->status);
+ bool new_rfkill = !(iwl_read32(priv, CSR_GP_CNTRL)
+ & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW);
- if (iwl_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)
- clear_bit(STATUS_RF_KILL_HW, &priv->status);
- else
- set_bit(STATUS_RF_KILL_HW, &priv->status);
+ if (new_rfkill != old_rfkill) {
+ if (new_rfkill)
+ set_bit(STATUS_RF_KILL_HW, &priv->status);
+ else
+ clear_bit(STATUS_RF_KILL_HW, &priv->status);
- wiphy_rfkill_set_hw_state(priv->hw->wiphy,
- test_bit(STATUS_RF_KILL_HW, &priv->status));
+ wiphy_rfkill_set_hw_state(priv->hw->wiphy, new_rfkill);
+
+ IWL_DEBUG_RF_KILL(priv, "RF_KILL bit toggled to %s.\n",
+ new_rfkill ? "disable radio" : "enable radio");
+ }
+ /* Keep this running, even if radio now enabled. This will be
+ * cancelled in mac_start() if system decides to start again */
queue_delayed_work(priv->workqueue, &priv->rfkill_poll,
round_jiffies_relative(2 * HZ));
* no need to poll the killswitch state anymore */
cancel_delayed_work(&priv->rfkill_poll);
+ iwl_led_start(priv);
+
priv->is_open = 1;
IWL_DEBUG_MAC80211(priv, "leave\n");
return 0;
/* Clear the driver's (not device's) station table */
iwl_clear_stations_table(priv);
- priv->data_retry_limit = -1;
priv->ieee_channels = NULL;
priv->ieee_rates = NULL;
priv->band = IEEE80211_BAND_2GHZ;
*/
spin_lock_init(&priv->reg_lock);
- /* amp init */
- err = priv->cfg->ops->lib->apm_ops.init(priv);
- if (err < 0) {
- IWL_DEBUG_INFO(priv, "Failed to init the card\n");
- goto out_iounmap;
- }
-
/***********************
* 4. Read EEPROM
* ********************/
&priv->bands[IEEE80211_BAND_2GHZ].channels[5]);
iwl3945_setup_deferred_work(priv);
iwl3945_setup_rx_handlers(priv);
+ iwl_power_initialize(priv);
/*********************************
* 8. Setup and Register mac80211
iwl3945_down(priv);
}
+ /*
+ * Make sure device is reset to low power before unloading driver.
+ * This may be redundant with iwl_down(), but there are paths to
+ * run iwl_down() without calling apm_ops.stop(), and there are
+ * paths to avoid running iwl_down() at all before leaving driver.
+ * This (inexpensive) call *makes sure* device is reset.
+ */
+ priv->cfg->ops->lib->apm_ops.stop(priv);
+
/* make sure we flush any pending irq or
* tasklet for the driver
*/
MODULE_FIRMWARE(IWL3945_MODULE_FIRMWARE(IWL3945_UCODE_API_MAX));
-module_param_named(antenna, iwl3945_mod_params.antenna, int, 0444);
+module_param_named(antenna, iwl3945_mod_params.antenna, int, S_IRUGO);
MODULE_PARM_DESC(antenna, "select antenna (1=Main, 2=Aux, default 0 [both])");
-module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, 0444);
+module_param_named(swcrypto, iwl3945_mod_params.sw_crypto, int, S_IRUGO);
MODULE_PARM_DESC(swcrypto,
"using software crypto (default 1 [software])\n");
#ifdef CONFIG_IWLWIFI_DEBUG
-module_param_named(debug, iwl_debug_level, uint, 0644);
+module_param_named(debug, iwl_debug_level, uint, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "debug output mask");
#endif
-module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan, int, 0444);
+module_param_named(disable_hw_scan, iwl3945_mod_params.disable_hw_scan,
+ int, S_IRUGO);
MODULE_PARM_DESC(disable_hw_scan, "disable hardware scanning (default 0)");
-module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, 0444);
+module_param_named(fw_restart3945, iwl3945_mod_params.restart_fw, int, S_IRUGO);
MODULE_PARM_DESC(fw_restart3945, "restart firmware in case of error");
module_exit(iwl3945_exit);
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff