};
/**
- * struct iwl_rx_queue - Rx queue
+ * struct iwl_rxq - Rx queue
* @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
* @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
* @pool:
*
* NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
*/
-struct iwl_rx_queue {
+struct iwl_rxq {
__le32 *bd;
dma_addr_t bd_dma;
struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
* 32 since we don't need so many commands pending. Since the HW
* still uses 256 BDs for DMA though, n_bd stays 256. As a result,
* the software buffers (in the variables @meta, @txb in struct
- * iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds
- * in the same struct) have 256.
+ * iwl_txq) only have 32 entries, while the HW buffers (@tfds in
+ * the same struct) have 256.
* This means that we end up with the following:
* HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 |
* SW entries: | 0 | ... | 31 |
#define TFD_TX_CMD_SLOTS 256
#define TFD_CMD_SLOTS 32
-struct iwl_pcie_tx_queue_entry {
+struct iwl_pcie_txq_entry {
struct iwl_device_cmd *cmd;
struct iwl_device_cmd *copy_cmd;
struct sk_buff *skb;
};
/**
- * struct iwl_tx_queue - Tx Queue for DMA
+ * struct iwl_txq - Tx Queue for DMA
* @q: generic Rx/Tx queue descriptor
* @tfds: transmit frame descriptors (DMA memory)
* @entries: transmit entries (driver state)
* A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
* descriptors) and required locking structures.
*/
-struct iwl_tx_queue {
+struct iwl_txq {
struct iwl_queue q;
struct iwl_tfd *tfds;
- struct iwl_pcie_tx_queue_entry *entries;
+ struct iwl_pcie_txq_entry *entries;
spinlock_t lock;
struct timer_list stuck_timer;
struct iwl_trans_pcie *trans_pcie;
* @wd_timeout: queue watchdog timeout (jiffies)
*/
struct iwl_trans_pcie {
- struct iwl_rx_queue rxq;
+ struct iwl_rxq rxq;
struct work_struct rx_replenish;
struct iwl_trans *trans;
struct iwl_drv *drv;
struct iwl_dma_ptr scd_bc_tbls;
struct iwl_dma_ptr kw;
- struct iwl_tx_queue *txq;
+ struct iwl_txq *txq;
unsigned long queue_used[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
/*****************************************************
* RX
******************************************************/
-void iwl_bg_rx_replenish(struct work_struct *data);
-void iwl_irq_tasklet(struct iwl_trans *trans);
-void iwl_rx_replenish(struct iwl_trans *trans);
-void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
- struct iwl_rx_queue *q);
+void iwl_pcie_rx_replenish_work(struct work_struct *data);
+void iwl_pcie_rx_replenish(struct iwl_trans *trans);
+void iwl_pcie_tasklet(struct iwl_trans *trans);
+void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans, struct iwl_rxq *q);
/*****************************************************
-* ICT
+* ICT - interrupt handling
******************************************************/
-void iwl_reset_ict(struct iwl_trans *trans);
-void iwl_disable_ict(struct iwl_trans *trans);
-int iwl_alloc_isr_ict(struct iwl_trans *trans);
-void iwl_free_isr_ict(struct iwl_trans *trans);
-irqreturn_t iwl_isr_ict(int irq, void *data);
+irqreturn_t iwl_pcie_isr_ict(int irq, void *data);
+int iwl_pcie_alloc_ict(struct iwl_trans *trans);
+void iwl_pcie_free_ict(struct iwl_trans *trans);
+void iwl_pcie_reset_ict(struct iwl_trans *trans);
+void iwl_pcie_disable_ict(struct iwl_trans *trans);
/*****************************************************
* TX / HCMD
******************************************************/
-void iwl_txq_update_write_ptr(struct iwl_trans *trans,
- struct iwl_tx_queue *txq);
-int iwlagn_txq_attach_buf_to_tfd(struct iwl_trans *trans,
- struct iwl_tx_queue *txq,
- dma_addr_t addr, u16 len, u8 reset);
-int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id);
-int iwl_trans_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
-void iwl_tx_cmd_complete(struct iwl_trans *trans,
- struct iwl_rx_cmd_buffer *rxb, int handler_status);
-void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
- struct iwl_tx_queue *txq,
- u16 byte_cnt);
-void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
- int sta_id, int tid, int frame_limit, u16 ssn);
-void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue);
-void iwl_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq,
- enum dma_data_direction dma_dir);
-int iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index,
+void iwl_pcie_txq_inc_wr_ptr(struct iwl_trans *trans, struct iwl_txq *txq);
+int iwl_pcie_tx_build_tfd(struct iwl_trans *trans, struct iwl_txq *txq,
+ dma_addr_t addr, u16 len, u8 reset);
+int iwl_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
+void iwl_pcie_hcmd_complete(struct iwl_trans *trans,
+ struct iwl_rx_cmd_buffer *rxb, int handler_status);
+void iwl_pcie_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
+ struct iwl_txq *txq, u16 byte_cnt);
+void iwl_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
+ int sta_id, int tid, int frame_limit, u16 ssn);
+void iwl_pcie_txq_disable(struct iwl_trans *trans, int queue);
+void iwl_pcie_txq_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq,
+ enum dma_data_direction dma_dir);
+int iwl_pcie_txq_reclaim(struct iwl_trans *trans, int txq_id, int index,
struct sk_buff_head *skbs);
-void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id);
+void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id);
+int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id);
int iwl_queue_space(const struct iwl_queue *q);
/*****************************************************
* Error handling
******************************************************/
-int iwl_dump_fh(struct iwl_trans *trans, char **buf);
-void iwl_dump_csr(struct iwl_trans *trans);
+int iwl_pcie_dump_fh(struct iwl_trans *trans, char **buf);
+void iwl_pcie_dump_csr(struct iwl_trans *trans);
/*****************************************************
* Helpers
}
static inline void iwl_wake_queue(struct iwl_trans *trans,
- struct iwl_tx_queue *txq)
+ struct iwl_txq *txq)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
}
static inline void iwl_stop_queue(struct iwl_trans *trans,
- struct iwl_tx_queue *txq)
+ struct iwl_txq *txq)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
return index & (q->n_window - 1);
}
-static inline const char *
-trans_pcie_get_cmd_string(struct iwl_trans_pcie *trans_pcie, u8 cmd)
+static inline const char *get_cmd_string(struct iwl_trans_pcie *trans_pcie,
+ u8 cmd)
{
if (!trans_pcie->command_names || !trans_pcie->command_names[cmd])
return "UNKNOWN";
* + A list of pre-allocated SKBs is stored in iwl->rxq->rx_free. When
* iwl->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled
* to replenish the iwl->rxq->rx_free.
- * + In iwl_rx_replenish (scheduled) if 'processed' != 'read' then the
+ * + In iwl_pcie_rx_replenish (scheduled) if 'processed' != 'read' then the
* iwl->rxq is replenished and the READ INDEX is updated (updating the
* 'processed' and 'read' driver indexes as well)
* + A received packet is processed and handed to the kernel network stack,
*
* Driver sequence:
*
- * iwl_rx_queue_alloc() Allocates rx_free
- * iwl_rx_replenish() Replenishes rx_free list from rx_used, and calls
- * iwl_rx_queue_restock
- * iwl_rx_queue_restock() Moves available buffers from rx_free into Rx
+ * iwl_rxq_alloc() Allocates rx_free
+ * iwl_pcie_rx_replenish() Replenishes rx_free list from rx_used, and calls
+ * iwl_pcie_rxq_restock
+ * iwl_pcie_rxq_restock() Moves available buffers from rx_free into Rx
* queue, updates firmware pointers, and updates
* the WRITE index. If insufficient rx_free buffers
- * are available, schedules iwl_rx_replenish
+ * are available, schedules iwl_pcie_rx_replenish
*
* -- enable interrupts --
- * ISR - iwl_rx() Detach iwl_rx_mem_buffers from pool up to the
+ * ISR - iwl_rx() Detach iwl_rx_mem_buffers from pool up to the
* READ INDEX, detaching the SKB from the pool.
* Moves the packet buffer from queue to rx_used.
- * Calls iwl_rx_queue_restock to refill any empty
+ * Calls iwl_pcie_rxq_restock to refill any empty
* slots.
* ...
*
*/
-/**
- * iwl_rx_queue_space - Return number of free slots available in queue.
+/*
+ * iwl_rxq_space - Return number of free slots available in queue.
*/
-static int iwl_rx_queue_space(const struct iwl_rx_queue *q)
+static int iwl_rxq_space(const struct iwl_rxq *q)
{
int s = q->read - q->write;
if (s <= 0)
return s;
}
-/**
- * iwl_rx_queue_update_write_ptr - Update the write pointer for the RX queue
+/*
+ * iwl_pcie_rxq_inc_wr_ptr - Update the write pointer for the RX queue
*/
-void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
- struct iwl_rx_queue *q)
+void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans, struct iwl_rxq *q)
{
unsigned long flags;
u32 reg;
spin_unlock_irqrestore(&q->lock, flags);
}
-/**
+/*
* iwl_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer ptr
*/
static inline __le32 iwl_dma_addr2rbd_ptr(dma_addr_t dma_addr)
return cpu_to_le32((u32)(dma_addr >> 8));
}
-/**
- * iwl_rx_queue_restock - refill RX queue from pre-allocated pool
+/*
+ * iwl_pcie_rxq_restock - refill RX queue from pre-allocated pool
*
* If there are slots in the RX queue that need to be restocked,
* and we have free pre-allocated buffers, fill the ranks as much
* also updates the memory address in the firmware to reference the new
* target buffer.
*/
-static void iwl_rx_queue_restock(struct iwl_trans *trans)
+static void iwl_pcie_rxq_restock(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_rxq *rxq = &trans_pcie->rxq;
struct iwl_rx_mem_buffer *rxb;
unsigned long flags;
return;
spin_lock_irqsave(&rxq->lock, flags);
- while ((iwl_rx_queue_space(rxq) > 0) && (rxq->free_count)) {
+ while ((iwl_rxq_space(rxq) > 0) && (rxq->free_count)) {
/* The overwritten rxb must be a used one */
rxb = rxq->queue[rxq->write];
BUG_ON(rxb && rxb->page);
spin_lock_irqsave(&rxq->lock, flags);
rxq->need_update = 1;
spin_unlock_irqrestore(&rxq->lock, flags);
- iwl_rx_queue_update_write_ptr(trans, rxq);
+ iwl_pcie_rxq_inc_wr_ptr(trans, rxq);
}
}
/*
- * iwl_rx_allocate - allocate a page for each used RBD
+ * iwl_pcie_rx_allocate - allocate a page for each used RBD
*
* A used RBD is an Rx buffer that has been given to the stack. To use it again
* a page must be allocated and the RBD must point to the page. This function
* doesn't change the HW pointer but handles the list of pages that is used by
- * iwl_rx_queue_restock. The latter function will update the HW to use the newly
+ * iwl_pcie_rxq_restock. The latter function will update the HW to use the newly
* allocated buffers.
*/
-static void iwl_rx_allocate(struct iwl_trans *trans, gfp_t priority)
+static void iwl_pcie_rx_allocate(struct iwl_trans *trans, gfp_t priority)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_rxq *rxq = &trans_pcie->rxq;
struct iwl_rx_mem_buffer *rxb;
struct page *page;
unsigned long flags;
}
/*
- * iwl_rx_replenish - Move all used buffers from rx_used to rx_free
+ * iwl_pcie_rx_replenish - Move all used buffers from rx_used to rx_free
*
* When moving to rx_free an page is allocated for the slot.
*
- * Also restock the Rx queue via iwl_rx_queue_restock.
+ * Also restock the Rx queue via iwl_pcie_rxq_restock.
* This is called as a scheduled work item (except for during initialization)
*/
-void iwl_rx_replenish(struct iwl_trans *trans)
+void iwl_pcie_rx_replenish(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
unsigned long flags;
- iwl_rx_allocate(trans, GFP_KERNEL);
+ iwl_pcie_rx_allocate(trans, GFP_KERNEL);
spin_lock_irqsave(&trans_pcie->irq_lock, flags);
- iwl_rx_queue_restock(trans);
+ iwl_pcie_rxq_restock(trans);
spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
}
-static void iwl_rx_replenish_now(struct iwl_trans *trans)
+static void iwl_pcie_rx_replenish_now(struct iwl_trans *trans)
{
- iwl_rx_allocate(trans, GFP_ATOMIC);
+ iwl_pcie_rx_allocate(trans, GFP_ATOMIC);
- iwl_rx_queue_restock(trans);
+ iwl_pcie_rxq_restock(trans);
}
-void iwl_bg_rx_replenish(struct work_struct *data)
+void iwl_pcie_rx_replenish_work(struct work_struct *data)
{
struct iwl_trans_pcie *trans_pcie =
container_of(data, struct iwl_trans_pcie, rx_replenish);
- iwl_rx_replenish(trans_pcie->trans);
+ iwl_pcie_rx_replenish(trans_pcie->trans);
}
-static void iwl_rx_handle_rxbuf(struct iwl_trans *trans,
+static void iwl_pcie_rx_handle_rxbuf(struct iwl_trans *trans,
struct iwl_rx_mem_buffer *rxb)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_rx_queue *rxq = &trans_pcie->rxq;
- struct iwl_tx_queue *txq = &trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_rxq *rxq = &trans_pcie->rxq;
+ struct iwl_txq *txq = &trans_pcie->txq[trans_pcie->cmd_queue];
unsigned long flags;
bool page_stolen = false;
int max_len = PAGE_SIZE << trans_pcie->rx_page_order;
break;
IWL_DEBUG_RX(trans, "cmd at offset %d: %s (0x%.2x)\n",
- rxcb._offset,
- trans_pcie_get_cmd_string(trans_pcie, pkt->hdr.cmd),
+ rxcb._offset, get_cmd_string(trans_pcie, pkt->hdr.cmd),
pkt->hdr.cmd);
len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
cmd_index = get_cmd_index(&txq->q, index);
if (reclaim) {
- struct iwl_pcie_tx_queue_entry *ent;
+ struct iwl_pcie_txq_entry *ent;
ent = &txq->entries[cmd_index];
cmd = ent->copy_cmd;
WARN_ON_ONCE(!cmd && ent->meta.flags & CMD_WANT_HCMD);
* iwl_trans_send_cmd()
* as we reclaim the driver command queue */
if (!rxcb._page_stolen)
- iwl_tx_cmd_complete(trans, &rxcb, err);
+ iwl_pcie_hcmd_complete(trans, &rxcb, err);
else
IWL_WARN(trans, "Claim null rxb?\n");
}
spin_unlock_irqrestore(&rxq->lock, flags);
}
-/**
- * iwl_rx_handle - Main entry function for receiving responses from uCode
- *
- * Uses the priv->rx_handlers callback function array to invoke
- * the appropriate handlers, including command responses,
- * frame-received notifications, and other notifications.
+/*
+ * iwl_pcie_rx_handle - Main entry function for receiving responses from fw
*/
-static void iwl_rx_handle(struct iwl_trans *trans)
+static void iwl_pcie_rx_handle(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_rxq *rxq = &trans_pcie->rxq;
u32 r, i;
u8 fill_rx = 0;
u32 count = 8;
IWL_DEBUG_RX(trans, "rxbuf: HW = %d, SW = %d (%p)\n",
r, i, rxb);
- iwl_rx_handle_rxbuf(trans, rxb);
+ iwl_pcie_rx_handle_rxbuf(trans, rxb);
i = (i + 1) & RX_QUEUE_MASK;
/* If there are a lot of unused frames,
count++;
if (count >= 8) {
rxq->read = i;
- iwl_rx_replenish_now(trans);
+ iwl_pcie_rx_replenish_now(trans);
count = 0;
}
}
/* Backtrack one entry */
rxq->read = i;
if (fill_rx)
- iwl_rx_replenish_now(trans);
+ iwl_pcie_rx_replenish_now(trans);
else
- iwl_rx_queue_restock(trans);
+ iwl_pcie_rxq_restock(trans);
}
-/**
- * iwl_irq_handle_error - called for HW or SW error interrupt from card
+/*
+ * iwl_pcie_irq_handle_error - called for HW or SW error interrupt from card
*/
-static void iwl_irq_handle_error(struct iwl_trans *trans)
+static void iwl_pcie_irq_handle_error(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
return;
}
- iwl_dump_csr(trans);
- iwl_dump_fh(trans, NULL);
+ iwl_pcie_dump_csr(trans);
+ iwl_pcie_dump_fh(trans, NULL);
set_bit(STATUS_FW_ERROR, &trans_pcie->status);
clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status);
}
/* tasklet for iwlagn interrupt */
-void iwl_irq_tasklet(struct iwl_trans *trans)
+void iwl_pcie_tasklet(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct isr_statistics *isr_stats = &trans_pcie->isr_stats;
iwl_disable_interrupts(trans);
isr_stats->hw++;
- iwl_irq_handle_error(trans);
+ iwl_pcie_irq_handle_error(trans);
handled |= CSR_INT_BIT_HW_ERR;
IWL_ERR(trans, "Microcode SW error detected. "
" Restarting 0x%X.\n", inta);
isr_stats->sw++;
- iwl_irq_handle_error(trans);
+ iwl_pcie_irq_handle_error(trans);
handled |= CSR_INT_BIT_SW_ERR;
}
/* uCode wakes up after power-down sleep */
if (inta & CSR_INT_BIT_WAKEUP) {
IWL_DEBUG_ISR(trans, "Wakeup interrupt\n");
- iwl_rx_queue_update_write_ptr(trans, &trans_pcie->rxq);
+ iwl_pcie_rxq_inc_wr_ptr(trans, &trans_pcie->rxq);
for (i = 0; i < trans->cfg->base_params->num_of_queues; i++)
- iwl_txq_update_write_ptr(trans,
- &trans_pcie->txq[i]);
+ iwl_pcie_txq_inc_wr_ptr(trans, &trans_pcie->txq[i]);
isr_stats->wakeup++;
iwl_write8(trans, CSR_INT_PERIODIC_REG,
CSR_INT_PERIODIC_DIS);
- iwl_rx_handle(trans);
+ iwl_pcie_rx_handle(trans);
/*
* Enable periodic interrupt in 8 msec only if we received
#define ICT_COUNT (ICT_SIZE / sizeof(u32))
/* Free dram table */
-void iwl_free_isr_ict(struct iwl_trans *trans)
+void iwl_pcie_free_ict(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
}
}
-
/*
* allocate dram shared table, it is an aligned memory
* block of ICT_SIZE.
* also reset all data related to ICT table interrupt.
*/
-int iwl_alloc_isr_ict(struct iwl_trans *trans)
+int iwl_pcie_alloc_ict(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
/* just an API sanity check ... it is guaranteed to be aligned */
if (WARN_ON(trans_pcie->ict_tbl_dma & (ICT_SIZE - 1))) {
- iwl_free_isr_ict(trans);
+ iwl_pcie_free_ict(trans);
return -EINVAL;
}
/* Device is going up inform it about using ICT interrupt table,
* also we need to tell the driver to start using ICT interrupt.
*/
-void iwl_reset_ict(struct iwl_trans *trans)
+void iwl_pcie_reset_ict(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u32 val;
}
/* Device is going down disable ict interrupt usage */
-void iwl_disable_ict(struct iwl_trans *trans)
+void iwl_pcie_disable_ict(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
unsigned long flags;
}
/* legacy (non-ICT) ISR. Assumes that trans_pcie->irq_lock is held */
-static irqreturn_t iwl_isr(int irq, void *data)
+static irqreturn_t iwl_pcie_isr(int irq, void *data)
{
struct iwl_trans *trans = data;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
#endif
trans_pcie->inta |= inta;
- /* iwl_irq_tasklet() will service interrupts and re-enable them */
+ /* iwl_pcie_tasklet() will service interrupts and re-enable them */
if (likely(inta))
tasklet_schedule(&trans_pcie->irq_tasklet);
else if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) &&
* the interrupt we need to service, driver will set the entries back to 0 and
* set index.
*/
-irqreturn_t iwl_isr_ict(int irq, void *data)
+irqreturn_t iwl_pcie_isr_ict(int irq, void *data)
{
struct iwl_trans *trans = data;
struct iwl_trans_pcie *trans_pcie;
* use legacy interrupt.
*/
if (unlikely(!trans_pcie->use_ict)) {
- irqreturn_t ret = iwl_isr(irq, data);
+ irqreturn_t ret = iwl_pcie_isr(irq, data);
spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
return ret;
}
inta &= trans_pcie->inta_mask;
trans_pcie->inta |= inta;
- /* iwl_irq_tasklet() will service interrupts and re-enable them */
+ /* iwl_pcie_tasklet() will service interrupts and re-enable them */
if (likely(inta))
tasklet_schedule(&trans_pcie->irq_tasklet);
else if (test_bit(STATUS_INT_ENABLED, &trans_pcie->status) &&
static int iwl_trans_rx_alloc(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_rxq *rxq = &trans_pcie->rxq;
struct device *dev = trans->dev;
memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq));
static void iwl_trans_rxq_free_rx_bufs(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_rxq *rxq = &trans_pcie->rxq;
int i;
/* Fill the rx_used queue with _all_ of the Rx buffers */
}
}
-static void iwl_trans_rx_hw_init(struct iwl_trans *trans,
- struct iwl_rx_queue *rxq)
+static void iwl_trans_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u32 rb_size;
static int iwl_rx_init(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_rxq *rxq = &trans_pcie->rxq;
int i, err;
unsigned long flags;
rxq->free_count = 0;
spin_unlock_irqrestore(&rxq->lock, flags);
- iwl_rx_replenish(trans);
+ iwl_pcie_rx_replenish(trans);
iwl_trans_rx_hw_init(trans, rxq);
spin_lock_irqsave(&trans_pcie->irq_lock, flags);
rxq->need_update = 1;
- iwl_rx_queue_update_write_ptr(trans, rxq);
+ iwl_pcie_rxq_inc_wr_ptr(trans, rxq);
spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
return 0;
static void iwl_trans_pcie_rx_free(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_rxq *rxq = &trans_pcie->rxq;
unsigned long flags;
/*if rxq->bd is NULL, it means that nothing has been allocated,
static void iwl_trans_pcie_queue_stuck_timer(unsigned long data)
{
- struct iwl_tx_queue *txq = (void *)data;
+ struct iwl_txq *txq = (void *)data;
struct iwl_queue *q = &txq->q;
struct iwl_trans_pcie *trans_pcie = txq->trans_pcie;
struct iwl_trans *trans = iwl_trans_pcie_get_trans(trans_pcie);
}
static int iwl_trans_txq_alloc(struct iwl_trans *trans,
- struct iwl_tx_queue *txq, int slots_num,
+ struct iwl_txq *txq, int slots_num,
u32 txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
txq->q.n_window = slots_num;
txq->entries = kcalloc(slots_num,
- sizeof(struct iwl_pcie_tx_queue_entry),
+ sizeof(struct iwl_pcie_txq_entry),
GFP_KERNEL);
if (!txq->entries)
}
-static int iwl_trans_txq_init(struct iwl_trans *trans, struct iwl_tx_queue *txq,
+static int iwl_trans_txq_init(struct iwl_trans *trans, struct iwl_txq *txq,
int slots_num, u32 txq_id)
{
int ret;
}
/*
- * iwl_tx_queue_unmap - Unmap any remaining DMA mappings and free skb's
+ * iwl_pcie_txq_unmap - Unmap any remaining DMA mappings and free skb's
*/
-void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id)
+void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = &trans_pcie->txq[txq_id];
struct iwl_queue *q = &txq->q;
enum dma_data_direction dma_dir;
spin_lock_bh(&txq->lock);
while (q->write_ptr != q->read_ptr) {
- iwl_txq_free_tfd(trans, txq, dma_dir);
+ iwl_pcie_txq_free_tfd(trans, txq, dma_dir);
q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd);
}
spin_unlock_bh(&txq->lock);
}
-/**
- * iwl_tx_queue_free - Deallocate DMA queue.
+/*
+ * iwl_txq_free - Deallocate DMA queue.
* @txq: Transmit queue to deallocate.
*
* Empty queue by removing and destroying all BD's.
* Free all buffers.
* 0-fill, but do not free "txq" descriptor structure.
*/
-static void iwl_tx_queue_free(struct iwl_trans *trans, int txq_id)
+static void iwl_txq_free(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = &trans_pcie->txq[txq_id];
struct device *dev = trans->dev;
int i;
if (WARN_ON(!txq))
return;
- iwl_tx_queue_unmap(trans, txq_id);
+ iwl_pcie_txq_unmap(trans, txq_id);
/* De-alloc array of command/tx buffers */
if (txq_id == trans_pcie->cmd_queue)
memset(txq, 0, sizeof(*txq));
}
-/**
+/*
* iwl_trans_tx_free - Free TXQ Context
*
* Destroy all TX DMA queues and structures
if (trans_pcie->txq) {
for (txq_id = 0;
txq_id < trans->cfg->base_params->num_of_queues; txq_id++)
- iwl_tx_queue_free(trans, txq_id);
+ iwl_txq_free(trans, txq_id);
}
kfree(trans_pcie->txq);
iwlagn_free_dma_ptr(trans, &trans_pcie->scd_bc_tbls);
}
-/**
+/*
* iwl_trans_tx_alloc - allocate TX context
* Allocate all Tx DMA structures and initialize them
- *
- * @param priv
- * @return error code
*/
static int iwl_trans_tx_alloc(struct iwl_trans *trans)
{
}
trans_pcie->txq = kcalloc(trans->cfg->base_params->num_of_queues,
- sizeof(struct iwl_tx_queue), GFP_KERNEL);
+ sizeof(struct iwl_txq), GFP_KERNEL);
if (!trans_pcie->txq) {
IWL_ERR(trans, "Not enough memory for txq\n");
ret = ENOMEM;
static void iwl_trans_pcie_fw_alive(struct iwl_trans *trans, u32 scd_addr)
{
- iwl_reset_ict(trans);
+ iwl_pcie_reset_ict(trans);
iwl_tx_start(trans, scd_addr);
}
-/**
+/*
* iwlagn_txq_ctx_stop - Stop all Tx DMA channels
*/
static int iwl_trans_tx_stop(struct iwl_trans *trans)
/* Unmap DMA from host system and free skb's */
for (txq_id = 0; txq_id < trans->cfg->base_params->num_of_queues;
txq_id++)
- iwl_tx_queue_unmap(trans, txq_id);
+ iwl_pcie_txq_unmap(trans, txq_id);
return 0;
}
spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
/* device going down, Stop using ICT table */
- iwl_disable_ict(trans);
+ iwl_pcie_disable_ict(trans);
/*
* If a HW restart happens during firmware loading,
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct iwl_tx_cmd *tx_cmd = (struct iwl_tx_cmd *) dev_cmd->payload;
struct iwl_cmd_meta *out_meta;
- struct iwl_tx_queue *txq;
+ struct iwl_txq *txq;
struct iwl_queue *q;
dma_addr_t phys_addr = 0;
dma_addr_t txcmd_phys;
}
/* Attach buffers to TFD */
- iwlagn_txq_attach_buf_to_tfd(trans, txq, txcmd_phys, firstlen, 1);
+ iwl_pcie_tx_build_tfd(trans, txq, txcmd_phys, firstlen, 1);
if (secondlen > 0)
- iwlagn_txq_attach_buf_to_tfd(trans, txq, phys_addr,
- secondlen, 0);
+ iwl_pcie_tx_build_tfd(trans, txq, phys_addr, secondlen, 0);
scratch_phys = txcmd_phys + sizeof(struct iwl_cmd_header) +
offsetof(struct iwl_tx_cmd, scratch);
IWL_DEBUG_TX(trans, "tx_flags = 0X%x\n", le32_to_cpu(tx_cmd->tx_flags));
/* Set up entry for this TFD in Tx byte-count array */
- iwl_trans_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len));
+ iwl_pcie_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len));
dma_sync_single_for_device(trans->dev, txcmd_phys, firstlen,
DMA_BIDIRECTIONAL);
/* Tell device the write index *just past* this latest filled TFD */
q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
- iwl_txq_update_write_ptr(trans, txq);
+ iwl_pcie_txq_inc_wr_ptr(trans, txq);
/*
* At this point the frame is "transmitted" successfully
if (iwl_queue_space(q) < q->high_mark) {
if (wait_write_ptr) {
txq->need_update = 1;
- iwl_txq_update_write_ptr(trans, txq);
+ iwl_pcie_txq_inc_wr_ptr(trans, txq);
} else {
iwl_stop_queue(trans, txq);
}
if (!trans_pcie->irq_requested) {
tasklet_init(&trans_pcie->irq_tasklet, (void (*)(unsigned long))
- iwl_irq_tasklet, (unsigned long)trans);
+ iwl_pcie_tasklet, (unsigned long)trans);
- iwl_alloc_isr_ict(trans);
+ iwl_pcie_alloc_ict(trans);
- err = request_irq(trans_pcie->irq, iwl_isr_ict, IRQF_SHARED,
- DRV_NAME, trans);
+ err = request_irq(trans_pcie->irq, iwl_pcie_isr_ict,
+ IRQF_SHARED, DRV_NAME, trans);
if (err) {
IWL_ERR(trans, "Error allocating IRQ %d\n",
trans_pcie->irq);
goto error;
}
- INIT_WORK(&trans_pcie->rx_replenish, iwl_bg_rx_replenish);
+ INIT_WORK(&trans_pcie->rx_replenish,
+ iwl_pcie_rx_replenish_work);
trans_pcie->irq_requested = true;
}
trans_pcie->irq_requested = false;
free_irq(trans_pcie->irq, trans);
error:
- iwl_free_isr_ict(trans);
+ iwl_pcie_free_ict(trans);
tasklet_kill(&trans_pcie->irq_tasklet);
return err;
}
struct sk_buff_head *skbs)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = &trans_pcie->txq[txq_id];
/* n_bd is usually 256 => n_bd - 1 = 0xff */
int tfd_num = ssn & (txq->q.n_bd - 1);
if (txq->q.read_ptr != tfd_num) {
IWL_DEBUG_TX_REPLY(trans, "[Q %d] %d -> %d (%d)\n",
txq_id, txq->q.read_ptr, tfd_num, ssn);
- iwl_tx_queue_reclaim(trans, txq_id, tfd_num, skbs);
+ iwl_pcie_txq_reclaim(trans, txq_id, tfd_num, skbs);
if (iwl_queue_space(&txq->q) > txq->q.low_mark)
iwl_wake_queue(trans, txq);
}
if (trans_pcie->irq_requested == true) {
free_irq(trans_pcie->irq, trans);
- iwl_free_isr_ict(trans);
+ iwl_pcie_free_ict(trans);
}
pci_disable_msi(trans_pcie->pci_dev);
#define IWL_FLUSH_WAIT_MS 2000
-static int iwl_trans_pcie_wait_tx_queue_empty(struct iwl_trans *trans)
+static int iwl_trans_pcie_wait_txq_empty(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_queue *txq;
+ struct iwl_txq *txq;
struct iwl_queue *q;
int cnt;
unsigned long now = jiffies;
#undef IWL_CMD
}
-int iwl_dump_fh(struct iwl_trans *trans, char **buf)
+int iwl_pcie_dump_fh(struct iwl_trans *trans, char **buf)
{
int i;
static const u32 fh_tbl[] = {
#undef IWL_CMD
}
-void iwl_dump_csr(struct iwl_trans *trans)
+void iwl_pcie_dump_csr(struct iwl_trans *trans)
{
int i;
static const u32 csr_tbl[] = {
{
struct iwl_trans *trans = file->private_data;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_queue *txq;
+ struct iwl_txq *txq;
struct iwl_queue *q;
char *buf;
int pos = 0;
{
struct iwl_trans *trans = file->private_data;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_rx_queue *rxq = &trans_pcie->rxq;
+ struct iwl_rxq *rxq = &trans_pcie->rxq;
char buf[256];
int pos = 0;
const size_t bufsz = sizeof(buf);
if (sscanf(buf, "%d", &csr) != 1)
return -EFAULT;
- iwl_dump_csr(trans);
+ iwl_pcie_dump_csr(trans);
return count;
}
int pos = 0;
ssize_t ret = -EFAULT;
- ret = pos = iwl_dump_fh(trans, &buf);
+ ret = pos = iwl_pcie_dump_fh(trans, &buf);
if (buf) {
ret = simple_read_from_buffer(user_buf,
count, ppos, buf, pos);
.wowlan_suspend = iwl_trans_pcie_wowlan_suspend,
- .send_cmd = iwl_trans_pcie_send_cmd,
+ .send_cmd = iwl_pcie_send_cmd,
.tx = iwl_trans_pcie_tx,
.reclaim = iwl_trans_pcie_reclaim,
- .txq_disable = iwl_trans_pcie_txq_disable,
- .txq_enable = iwl_trans_pcie_txq_enable,
+ .txq_disable = iwl_pcie_txq_disable,
+ .txq_enable = iwl_pcie_txq_enable,
.dbgfs_register = iwl_trans_pcie_dbgfs_register,
- .wait_tx_queue_empty = iwl_trans_pcie_wait_tx_queue_empty,
+ .wait_tx_queue_empty = iwl_trans_pcie_wait_txq_empty,
#ifdef CONFIG_PM_SLEEP
.suspend = iwl_trans_pcie_suspend,
#define IWL_TX_CRC_SIZE 4
#define IWL_TX_DELIMITER_SIZE 4
-/**
- * iwl_trans_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
+/*
+ * iwl_pcie_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
*/
-void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
- struct iwl_tx_queue *txq,
- u16 byte_cnt)
+void iwl_pcie_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
+ struct iwl_txq *txq, u16 byte_cnt)
{
struct iwlagn_scd_bc_tbl *scd_bc_tbl;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
tfd_offset[TFD_QUEUE_SIZE_MAX + write_ptr] = bc_ent;
}
-/**
- * iwl_txq_update_write_ptr - Send new write index to hardware
+/*
+ * iwl_pcie_txq_inc_wr_ptr - Send new write index to hardware
*/
-void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq)
+void iwl_pcie_txq_inc_wr_ptr(struct iwl_trans *trans, struct iwl_txq *txq)
{
u32 reg = 0;
int txq_id = txq->q.id;
tfd->num_tbs = 0;
}
-/**
- * iwl_txq_free_tfd - Free all chunks referenced by TFD [txq->q.read_ptr]
+/*
+ * iwl_pcie_txq_free_tfd - Free all chunks referenced by TFD [txq->q.read_ptr]
* @trans - transport private data
* @txq - tx queue
* @dma_dir - the direction of the DMA mapping
* Does NOT advance any TFD circular buffer read/write indexes
* Does NOT free the TFD itself (which is within circular buffer)
*/
-void iwl_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq,
- enum dma_data_direction dma_dir)
+void iwl_pcie_txq_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq,
+ enum dma_data_direction dma_dir)
{
struct iwl_tfd *tfd_tmp = txq->tfds;
}
}
-int iwlagn_txq_attach_buf_to_tfd(struct iwl_trans *trans,
- struct iwl_tx_queue *txq,
- dma_addr_t addr, u16 len,
- u8 reset)
+int iwl_pcie_tx_build_tfd(struct iwl_trans *trans, struct iwl_txq *txq,
+ dma_addr_t addr, u16 len, u8 reset)
{
struct iwl_queue *q;
struct iwl_tfd *tfd, *tfd_tmp;
return s;
}
-/**
+/*
* iwl_queue_init - Initialize queue's high/low-water and read/write indexes
*/
int iwl_queue_init(struct iwl_queue *q, int count, int slots_num, u32 id)
}
static void iwlagn_txq_inval_byte_cnt_tbl(struct iwl_trans *trans,
- struct iwl_tx_queue *txq)
+ struct iwl_txq *txq)
{
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
(1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
}
-void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
- int sta_id, int tid, int frame_limit, u16 ssn)
+void iwl_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
+ int sta_id, int tid, int frame_limit, u16 ssn)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
txq_id, fifo, ssn & 0xff);
}
-void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
+void iwl_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u32 stts_addr = trans_pcie->scd_base_addr +
_iwl_write_targ_mem_dwords(trans, stts_addr,
zero_val, ARRAY_SIZE(zero_val));
- iwl_tx_queue_unmap(trans, txq_id);
+ iwl_pcie_txq_unmap(trans, txq_id);
IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
}
/*************** HOST COMMAND QUEUE FUNCTIONS *****/
-/**
+/*
* iwl_enqueue_hcmd - enqueue a uCode command
* @priv: device private data point
* @cmd: a point to the ucode command structure
static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_queue *txq = &trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_txq *txq = &trans_pcie->txq[trans_pcie->cmd_queue];
struct iwl_queue *q = &txq->q;
struct iwl_device_cmd *out_cmd;
struct iwl_cmd_meta *out_meta;
*/
if (WARN(copy_size > TFD_MAX_PAYLOAD_SIZE,
"Command %s (%#x) is too large (%d bytes)\n",
- trans_pcie_get_cmd_string(trans_pcie, cmd->id),
- cmd->id, copy_size)) {
+ get_cmd_string(trans_pcie, cmd->id), cmd->id, copy_size)) {
idx = -EINVAL;
goto free_dup_buf;
}
IWL_DEBUG_HC(trans,
"Sending command %s (#%x), seq: 0x%04X, %d bytes at %d[%d]:%d\n",
- trans_pcie_get_cmd_string(trans_pcie, out_cmd->hdr.cmd),
+ get_cmd_string(trans_pcie, out_cmd->hdr.cmd),
out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence),
cmd_size, q->write_ptr, idx, trans_pcie->cmd_queue);
dma_unmap_addr_set(out_meta, mapping, phys_addr);
dma_unmap_len_set(out_meta, len, copy_size);
- iwlagn_txq_attach_buf_to_tfd(trans, txq, phys_addr, copy_size, 1);
+ iwl_pcie_tx_build_tfd(trans, txq, phys_addr, copy_size, 1);
for (i = 0; i < IWL_MAX_CMD_TFDS; i++) {
const void *data = cmd->data[i];
goto out;
}
- iwlagn_txq_attach_buf_to_tfd(trans, txq, phys_addr,
- cmd->len[i], 0);
+ iwl_pcie_tx_build_tfd(trans, txq, phys_addr, cmd->len[i], 0);
}
out_meta->flags = cmd->flags;
/* Increment and update queue's write index */
q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd);
- iwl_txq_update_write_ptr(trans, txq);
+ iwl_pcie_txq_inc_wr_ptr(trans, txq);
out:
spin_unlock_bh(&txq->lock);
}
static inline void iwl_queue_progress(struct iwl_trans_pcie *trans_pcie,
- struct iwl_tx_queue *txq)
+ struct iwl_txq *txq)
{
if (!trans_pcie->wd_timeout)
return;
mod_timer(&txq->stuck_timer, jiffies + trans_pcie->wd_timeout);
}
-/**
+/*
* iwl_hcmd_queue_reclaim - Reclaim TX command queue entries already Tx'd
*
* When FW advances 'R' index, all entries between old and new 'R' index
int idx)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = &trans_pcie->txq[txq_id];
struct iwl_queue *q = &txq->q;
int nfreed = 0;
iwl_queue_progress(trans_pcie, txq);
}
-/**
- * iwl_tx_cmd_complete - Pull unused buffers off the queue and reclaim them
+/*
+ * iwl_pcie_hcmd_complete - Pull unused buffers off the queue and reclaim them
* @rxb: Rx buffer to reclaim
* @handler_status: return value of the handler of the command
* (put in setup_rx_handlers)
* will be executed. The attached skb (if present) will only be freed
* if the callback returns 1
*/
-void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_cmd_buffer *rxb,
- int handler_status)
+void iwl_pcie_hcmd_complete(struct iwl_trans *trans,
+ struct iwl_rx_cmd_buffer *rxb, int handler_status)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
struct iwl_device_cmd *cmd;
struct iwl_cmd_meta *meta;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_queue *txq = &trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_txq *txq = &trans_pcie->txq[trans_pcie->cmd_queue];
/* If a Tx command is being handled and it isn't in the actual
* command queue then there a command routing bug has been introduced
if (!test_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status)) {
IWL_WARN(trans,
"HCMD_ACTIVE already clear for command %s\n",
- trans_pcie_get_cmd_string(trans_pcie,
- cmd->hdr.cmd));
+ get_cmd_string(trans_pcie, cmd->hdr.cmd));
}
clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status);
IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command %s\n",
- trans_pcie_get_cmd_string(trans_pcie,
- cmd->hdr.cmd));
+ get_cmd_string(trans_pcie, cmd->hdr.cmd));
wake_up(&trans_pcie->wait_command_queue);
}
if (ret < 0) {
IWL_ERR(trans,
"Error sending %s: enqueue_hcmd failed: %d\n",
- trans_pcie_get_cmd_string(trans_pcie, cmd->id), ret);
+ get_cmd_string(trans_pcie, cmd->id), ret);
return ret;
}
return 0;
int ret;
IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n",
- trans_pcie_get_cmd_string(trans_pcie, cmd->id));
+ get_cmd_string(trans_pcie, cmd->id));
if (WARN_ON(test_and_set_bit(STATUS_HCMD_ACTIVE,
&trans_pcie->status))) {
IWL_ERR(trans, "Command %s: a command is already active!\n",
- trans_pcie_get_cmd_string(trans_pcie, cmd->id));
+ get_cmd_string(trans_pcie, cmd->id));
return -EIO;
}
IWL_DEBUG_INFO(trans, "Setting HCMD_ACTIVE for command %s\n",
- trans_pcie_get_cmd_string(trans_pcie, cmd->id));
+ get_cmd_string(trans_pcie, cmd->id));
cmd_idx = iwl_enqueue_hcmd(trans, cmd);
if (cmd_idx < 0) {
clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status);
IWL_ERR(trans,
"Error sending %s: enqueue_hcmd failed: %d\n",
- trans_pcie_get_cmd_string(trans_pcie, cmd->id), ret);
+ get_cmd_string(trans_pcie, cmd->id), ret);
return ret;
}
HOST_COMPLETE_TIMEOUT);
if (!ret) {
if (test_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status)) {
- struct iwl_tx_queue *txq =
+ struct iwl_txq *txq =
&trans_pcie->txq[trans_pcie->cmd_queue];
struct iwl_queue *q = &txq->q;
IWL_ERR(trans,
"Error sending %s: time out after %dms.\n",
- trans_pcie_get_cmd_string(trans_pcie, cmd->id),
+ get_cmd_string(trans_pcie, cmd->id),
jiffies_to_msecs(HOST_COMPLETE_TIMEOUT));
IWL_ERR(trans,
clear_bit(STATUS_HCMD_ACTIVE, &trans_pcie->status);
IWL_DEBUG_INFO(trans,
"Clearing HCMD_ACTIVE for command %s\n",
- trans_pcie_get_cmd_string(trans_pcie,
- cmd->id));
+ get_cmd_string(trans_pcie, cmd->id));
ret = -ETIMEDOUT;
goto cancel;
}
if (test_bit(STATUS_FW_ERROR, &trans_pcie->status)) {
IWL_ERR(trans, "FW error in SYNC CMD %s\n",
- trans_pcie_get_cmd_string(trans_pcie, cmd->id));
+ get_cmd_string(trans_pcie, cmd->id));
ret = -EIO;
goto cancel;
}
if ((cmd->flags & CMD_WANT_SKB) && !cmd->resp_pkt) {
IWL_ERR(trans, "Error: Response NULL in '%s'\n",
- trans_pcie_get_cmd_string(trans_pcie, cmd->id));
+ get_cmd_string(trans_pcie, cmd->id));
ret = -EIO;
goto cancel;
}
return ret;
}
-int iwl_trans_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
+int iwl_pcie_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
}
/* Frees buffers until index _not_ inclusive */
-int iwl_tx_queue_reclaim(struct iwl_trans *trans, int txq_id, int index,
+int iwl_pcie_txq_reclaim(struct iwl_trans *trans, int txq_id, int index,
struct sk_buff_head *skbs)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = &trans_pcie->txq[txq_id];
struct iwl_queue *q = &txq->q;
int last_to_free;
int freed = 0;
iwlagn_txq_inval_byte_cnt_tbl(trans, txq);
- iwl_txq_free_tfd(trans, txq, DMA_TO_DEVICE);
+ iwl_pcie_txq_free_tfd(trans, txq, DMA_TO_DEVICE);
freed++;
}
projects / can-eth-gw-linux.git / commitdiff