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iwlagn: iwl_rx_queue moves to the iwl_trans_pcie
Since this struct is specific to pcie transport, move it the the pcie specific transport layer. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Emmanuel Grumbach
John W. Linville
parent
87e5666c07
commit
5a878bf60b
@ -91,14 +91,6 @@ struct iwl_tx_queue;
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#define DEFAULT_SHORT_RETRY_LIMIT 7U
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#define DEFAULT_LONG_RETRY_LIMIT 4U
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struct iwl_rx_mem_buffer {
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dma_addr_t page_dma;
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struct page *page;
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struct list_head list;
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};
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#define rxb_addr(r) page_address(r->page)
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/* defined below */
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struct iwl_device_cmd;
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@ -335,38 +327,6 @@ struct iwl_host_cmd {
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#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
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#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
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/**
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* struct iwl_rx_queue - Rx queue
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* @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
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* @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
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* @read: Shared index to newest available Rx buffer
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* @write: Shared index to oldest written Rx packet
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* @free_count: Number of pre-allocated buffers in rx_free
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* @rx_free: list of free SKBs for use
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* @rx_used: List of Rx buffers with no SKB
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* @need_update: flag to indicate we need to update read/write index
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* @rb_stts: driver's pointer to receive buffer status
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* @rb_stts_dma: bus address of receive buffer status
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*
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* NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
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*/
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struct iwl_rx_queue {
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__le32 *bd;
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dma_addr_t bd_dma;
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struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
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struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
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u32 read;
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u32 write;
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u32 free_count;
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u32 write_actual;
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struct list_head rx_free;
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struct list_head rx_used;
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int need_update;
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struct iwl_rb_status *rb_stts;
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dma_addr_t rb_stts_dma;
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spinlock_t lock;
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};
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#define IWL_SUPPORTED_RATES_IE_LEN 8
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#define MAX_TID_COUNT 9
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@ -1286,8 +1246,7 @@ struct iwl_priv {
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int activity_timer_active;
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/* Rx and Tx DMA processing queues */
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struct iwl_rx_queue rxq;
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/* Tx DMA processing queues */
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struct iwl_tx_queue *txq;
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unsigned long txq_ctx_active_msk;
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struct iwl_dma_ptr kw; /* keep warm address */
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@ -1426,7 +1385,6 @@ struct iwl_priv {
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struct work_struct restart;
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struct work_struct scan_completed;
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struct work_struct rx_replenish;
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struct work_struct abort_scan;
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struct work_struct beacon_update;
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@ -205,6 +205,14 @@ static inline u32 iwl_get_debug_level(struct iwl_shared *shrd)
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}
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#endif
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struct iwl_rx_mem_buffer {
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dma_addr_t page_dma;
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struct page *page;
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struct list_head list;
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};
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#define rxb_addr(r) page_address(r->page)
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#ifdef CONFIG_PM
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int iwl_suspend(struct iwl_priv *priv);
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int iwl_resume(struct iwl_priv *priv);
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@ -32,19 +32,64 @@
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/*This file includes the declaration that are internal to the
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* trans_pcie layer */
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/**
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* struct iwl_rx_queue - Rx queue
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* @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
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* @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
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* @pool:
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* @queue:
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* @read: Shared index to newest available Rx buffer
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* @write: Shared index to oldest written Rx packet
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* @free_count: Number of pre-allocated buffers in rx_free
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* @write_actual:
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* @rx_free: list of free SKBs for use
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* @rx_used: List of Rx buffers with no SKB
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* @need_update: flag to indicate we need to update read/write index
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* @rb_stts: driver's pointer to receive buffer status
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* @rb_stts_dma: bus address of receive buffer status
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* @lock:
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*
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* NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
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*/
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struct iwl_rx_queue {
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__le32 *bd;
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dma_addr_t bd_dma;
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struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
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struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
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u32 read;
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u32 write;
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u32 free_count;
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u32 write_actual;
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struct list_head rx_free;
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struct list_head rx_used;
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int need_update;
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struct iwl_rb_status *rb_stts;
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dma_addr_t rb_stts_dma;
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spinlock_t lock;
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};
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/**
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* struct iwl_trans_pcie - PCIe transport specific data
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* @rxq: all the RX queue data
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* @rx_replenish: work that will be called when buffers need to be allocated
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* @trans: pointer to the generic transport area
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*/
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struct iwl_trans_pcie {
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struct iwl_rx_queue rxq;
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struct work_struct rx_replenish;
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struct iwl_trans *trans;
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};
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#define IWL_TRANS_GET_PCIE_TRANS(_iwl_trans) \
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((struct iwl_trans_pcie *) ((_iwl_trans)->trans_specific))
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/*****************************************************
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* RX
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******************************************************/
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void iwl_bg_rx_replenish(struct work_struct *data);
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void iwl_irq_tasklet(struct iwl_priv *priv);
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void iwlagn_rx_replenish(struct iwl_priv *priv);
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void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
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void iwlagn_rx_replenish(struct iwl_trans *trans);
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void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
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struct iwl_rx_queue *q);
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/*****************************************************
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@ -127,9 +127,10 @@ static int iwl_rx_queue_space(const struct iwl_rx_queue *q)
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/**
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* iwl_rx_queue_update_write_ptr - Update the write pointer for the RX queue
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*/
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void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
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void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
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struct iwl_rx_queue *q)
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{
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struct iwl_priv *priv = priv(trans);
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unsigned long flags;
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u32 reg;
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@ -145,11 +146,11 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
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iwl_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write_actual);
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} else {
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/* If power-saving is in use, make sure device is awake */
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if (test_bit(STATUS_POWER_PMI, &priv->shrd->status)) {
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if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) {
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reg = iwl_read32(priv, CSR_UCODE_DRV_GP1);
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if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
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IWL_DEBUG_INFO(priv,
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IWL_DEBUG_INFO(trans,
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"Rx queue requesting wakeup,"
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" GP1 = 0x%x\n", reg);
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iwl_set_bit(priv, CSR_GP_CNTRL,
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@ -178,8 +179,7 @@ void iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
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/**
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* iwlagn_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer ptr
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*/
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static inline __le32 iwlagn_dma_addr2rbd_ptr(struct iwl_priv *priv,
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dma_addr_t dma_addr)
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static inline __le32 iwlagn_dma_addr2rbd_ptr(dma_addr_t dma_addr)
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{
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return cpu_to_le32((u32)(dma_addr >> 8));
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}
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@ -195,9 +195,12 @@ static inline __le32 iwlagn_dma_addr2rbd_ptr(struct iwl_priv *priv,
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* also updates the memory address in the firmware to reference the new
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* target buffer.
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*/
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static void iwlagn_rx_queue_restock(struct iwl_priv *priv)
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static void iwlagn_rx_queue_restock(struct iwl_trans *trans)
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{
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struct iwl_rx_queue *rxq = &priv->rxq;
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struct iwl_trans_pcie *trans_pcie =
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IWL_TRANS_GET_PCIE_TRANS(trans);
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struct iwl_rx_queue *rxq = &trans_pcie->rxq;
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struct list_head *element;
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struct iwl_rx_mem_buffer *rxb;
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unsigned long flags;
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@ -214,8 +217,7 @@ static void iwlagn_rx_queue_restock(struct iwl_priv *priv)
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list_del(element);
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/* Point to Rx buffer via next RBD in circular buffer */
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rxq->bd[rxq->write] = iwlagn_dma_addr2rbd_ptr(priv,
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rxb->page_dma);
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rxq->bd[rxq->write] = iwlagn_dma_addr2rbd_ptr(rxb->page_dma);
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rxq->queue[rxq->write] = rxb;
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rxq->write = (rxq->write + 1) & RX_QUEUE_MASK;
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rxq->free_count--;
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@ -224,7 +226,7 @@ static void iwlagn_rx_queue_restock(struct iwl_priv *priv)
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/* If the pre-allocated buffer pool is dropping low, schedule to
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* refill it */
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if (rxq->free_count <= RX_LOW_WATERMARK)
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queue_work(priv->shrd->workqueue, &priv->rx_replenish);
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queue_work(trans->shrd->workqueue, &trans_pcie->rx_replenish);
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/* If we've added more space for the firmware to place data, tell it.
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@ -233,7 +235,7 @@ static void iwlagn_rx_queue_restock(struct iwl_priv *priv)
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spin_lock_irqsave(&rxq->lock, flags);
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rxq->need_update = 1;
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spin_unlock_irqrestore(&rxq->lock, flags);
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iwl_rx_queue_update_write_ptr(priv, rxq);
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iwl_rx_queue_update_write_ptr(trans, rxq);
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}
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}
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@ -245,9 +247,12 @@ static void iwlagn_rx_queue_restock(struct iwl_priv *priv)
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* Also restock the Rx queue via iwl_rx_queue_restock.
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* This is called as a scheduled work item (except for during initialization)
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*/
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static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority)
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static void iwlagn_rx_allocate(struct iwl_trans *trans, gfp_t priority)
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{
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struct iwl_rx_queue *rxq = &priv->rxq;
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struct iwl_trans_pcie *trans_pcie =
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IWL_TRANS_GET_PCIE_TRANS(trans);
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struct iwl_rx_queue *rxq = &trans_pcie->rxq;
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struct list_head *element;
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struct iwl_rx_mem_buffer *rxb;
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struct page *page;
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@ -265,21 +270,21 @@ static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority)
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if (rxq->free_count > RX_LOW_WATERMARK)
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gfp_mask |= __GFP_NOWARN;
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if (hw_params(priv).rx_page_order > 0)
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if (hw_params(trans).rx_page_order > 0)
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gfp_mask |= __GFP_COMP;
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/* Alloc a new receive buffer */
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page = alloc_pages(gfp_mask,
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hw_params(priv).rx_page_order);
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hw_params(trans).rx_page_order);
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if (!page) {
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if (net_ratelimit())
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IWL_DEBUG_INFO(priv, "alloc_pages failed, "
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IWL_DEBUG_INFO(trans, "alloc_pages failed, "
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"order: %d\n",
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hw_params(priv).rx_page_order);
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hw_params(trans).rx_page_order);
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if ((rxq->free_count <= RX_LOW_WATERMARK) &&
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net_ratelimit())
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IWL_CRIT(priv, "Failed to alloc_pages with %s."
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IWL_CRIT(trans, "Failed to alloc_pages with %s."
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"Only %u free buffers remaining.\n",
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priority == GFP_ATOMIC ?
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"GFP_ATOMIC" : "GFP_KERNEL",
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@ -294,7 +299,7 @@ static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority)
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if (list_empty(&rxq->rx_used)) {
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spin_unlock_irqrestore(&rxq->lock, flags);
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__free_pages(page, hw_params(priv).rx_page_order);
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__free_pages(page, hw_params(trans).rx_page_order);
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return;
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}
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element = rxq->rx_used.next;
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@ -306,8 +311,8 @@ static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority)
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BUG_ON(rxb->page);
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rxb->page = page;
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/* Get physical address of the RB */
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rxb->page_dma = dma_map_page(priv->bus->dev, page, 0,
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PAGE_SIZE << hw_params(priv).rx_page_order,
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rxb->page_dma = dma_map_page(bus(trans)->dev, page, 0,
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PAGE_SIZE << hw_params(trans).rx_page_order,
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DMA_FROM_DEVICE);
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/* dma address must be no more than 36 bits */
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BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36));
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@ -323,35 +328,36 @@ static void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority)
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}
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}
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void iwlagn_rx_replenish(struct iwl_priv *priv)
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void iwlagn_rx_replenish(struct iwl_trans *trans)
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{
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unsigned long flags;
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iwlagn_rx_allocate(priv, GFP_KERNEL);
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iwlagn_rx_allocate(trans, GFP_KERNEL);
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spin_lock_irqsave(&priv->shrd->lock, flags);
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iwlagn_rx_queue_restock(priv);
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spin_unlock_irqrestore(&priv->shrd->lock, flags);
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spin_lock_irqsave(&trans->shrd->lock, flags);
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iwlagn_rx_queue_restock(trans);
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spin_unlock_irqrestore(&trans->shrd->lock, flags);
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}
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static void iwlagn_rx_replenish_now(struct iwl_priv *priv)
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static void iwlagn_rx_replenish_now(struct iwl_trans *trans)
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{
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iwlagn_rx_allocate(priv, GFP_ATOMIC);
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iwlagn_rx_allocate(trans, GFP_ATOMIC);
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iwlagn_rx_queue_restock(priv);
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iwlagn_rx_queue_restock(trans);
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}
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void iwl_bg_rx_replenish(struct work_struct *data)
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{
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struct iwl_priv *priv =
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container_of(data, struct iwl_priv, rx_replenish);
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struct iwl_trans_pcie *trans_pcie =
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container_of(data, struct iwl_trans_pcie, rx_replenish);
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struct iwl_trans *trans = trans_pcie->trans;
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if (test_bit(STATUS_EXIT_PENDING, &priv->shrd->status))
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if (test_bit(STATUS_EXIT_PENDING, &trans->shrd->status))
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return;
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mutex_lock(&priv->shrd->mutex);
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iwlagn_rx_replenish(priv);
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mutex_unlock(&priv->shrd->mutex);
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mutex_lock(&trans->shrd->mutex);
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iwlagn_rx_replenish(trans);
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mutex_unlock(&trans->shrd->mutex);
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}
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/**
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@ -361,11 +367,13 @@ void iwl_bg_rx_replenish(struct work_struct *data)
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* the appropriate handlers, including command responses,
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* frame-received notifications, and other notifications.
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*/
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static void iwl_rx_handle(struct iwl_priv *priv)
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static void iwl_rx_handle(struct iwl_trans *trans)
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{
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struct iwl_rx_mem_buffer *rxb;
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struct iwl_rx_packet *pkt;
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struct iwl_rx_queue *rxq = &priv->rxq;
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struct iwl_trans_pcie *trans_pcie =
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IWL_TRANS_GET_PCIE_TRANS(trans);
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struct iwl_rx_queue *rxq = &trans_pcie->rxq;
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u32 r, i;
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int reclaim;
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unsigned long flags;
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@ -380,7 +388,7 @@ static void iwl_rx_handle(struct iwl_priv *priv)
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/* Rx interrupt, but nothing sent from uCode */
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if (i == r)
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IWL_DEBUG_RX(priv, "r = %d, i = %d\n", r, i);
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IWL_DEBUG_RX(trans, "r = %d, i = %d\n", r, i);
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/* calculate total frames need to be restock after handling RX */
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total_empty = r - rxq->write_actual;
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@ -405,17 +413,17 @@ static void iwl_rx_handle(struct iwl_priv *priv)
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rxq->queue[i] = NULL;
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dma_unmap_page(priv->bus->dev, rxb->page_dma,
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PAGE_SIZE << hw_params(priv).rx_page_order,
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dma_unmap_page(bus(trans)->dev, rxb->page_dma,
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PAGE_SIZE << hw_params(trans).rx_page_order,
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DMA_FROM_DEVICE);
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pkt = rxb_addr(rxb);
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IWL_DEBUG_RX(priv, "r = %d, i = %d, %s, 0x%02x\n", r,
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IWL_DEBUG_RX(trans, "r = %d, i = %d, %s, 0x%02x\n", r,
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i, get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
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len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
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len += sizeof(u32); /* account for status word */
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trace_iwlwifi_dev_rx(priv, pkt, len);
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trace_iwlwifi_dev_rx(priv(trans), pkt, len);
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/* Reclaim a command buffer only if this packet is a response
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* to a (driver-originated) command.
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@ -431,7 +439,7 @@ static void iwl_rx_handle(struct iwl_priv *priv)
|
||||
(pkt->hdr.cmd != STATISTICS_NOTIFICATION) &&
|
||||
(pkt->hdr.cmd != REPLY_TX);
|
||||
|
||||
iwl_rx_dispatch(priv, rxb);
|
||||
iwl_rx_dispatch(priv(trans), rxb);
|
||||
|
||||
/*
|
||||
* XXX: After here, we should always check rxb->page
|
||||
@ -446,9 +454,9 @@ static void iwl_rx_handle(struct iwl_priv *priv)
|
||||
* iwl_trans_send_cmd()
|
||||
* as we reclaim the driver command queue */
|
||||
if (rxb->page)
|
||||
iwl_tx_cmd_complete(priv, rxb);
|
||||
iwl_tx_cmd_complete(priv(trans), rxb);
|
||||
else
|
||||
IWL_WARN(priv, "Claim null rxb?\n");
|
||||
IWL_WARN(trans, "Claim null rxb?\n");
|
||||
}
|
||||
|
||||
/* Reuse the page if possible. For notification packets and
|
||||
@ -456,9 +464,9 @@ static void iwl_rx_handle(struct iwl_priv *priv)
|
||||
* rx_free list for reuse later. */
|
||||
spin_lock_irqsave(&rxq->lock, flags);
|
||||
if (rxb->page != NULL) {
|
||||
rxb->page_dma = dma_map_page(priv->bus->dev, rxb->page,
|
||||
rxb->page_dma = dma_map_page(bus(trans)->dev, rxb->page,
|
||||
0, PAGE_SIZE <<
|
||||
hw_params(priv).rx_page_order,
|
||||
hw_params(trans).rx_page_order,
|
||||
DMA_FROM_DEVICE);
|
||||
list_add_tail(&rxb->list, &rxq->rx_free);
|
||||
rxq->free_count++;
|
||||
@ -474,7 +482,7 @@ static void iwl_rx_handle(struct iwl_priv *priv)
|
||||
count++;
|
||||
if (count >= 8) {
|
||||
rxq->read = i;
|
||||
iwlagn_rx_replenish_now(priv);
|
||||
iwlagn_rx_replenish_now(trans);
|
||||
count = 0;
|
||||
}
|
||||
}
|
||||
@ -483,9 +491,9 @@ static void iwl_rx_handle(struct iwl_priv *priv)
|
||||
/* Backtrack one entry */
|
||||
rxq->read = i;
|
||||
if (fill_rx)
|
||||
iwlagn_rx_replenish_now(priv);
|
||||
iwlagn_rx_replenish_now(trans);
|
||||
else
|
||||
iwlagn_rx_queue_restock(priv);
|
||||
iwlagn_rx_queue_restock(trans);
|
||||
}
|
||||
|
||||
/* tasklet for iwlagn interrupt */
|
||||
@ -611,8 +619,10 @@ void iwl_irq_tasklet(struct iwl_priv *priv)
|
||||
|
||||
/* uCode wakes up after power-down sleep */
|
||||
if (inta & CSR_INT_BIT_WAKEUP) {
|
||||
struct iwl_trans_pcie *trans_pcie =
|
||||
IWL_TRANS_GET_PCIE_TRANS(trans(priv));
|
||||
IWL_DEBUG_ISR(priv, "Wakeup interrupt\n");
|
||||
iwl_rx_queue_update_write_ptr(priv, &priv->rxq);
|
||||
iwl_rx_queue_update_write_ptr(trans(priv), &trans_pcie->rxq);
|
||||
for (i = 0; i < hw_params(priv).max_txq_num; i++)
|
||||
iwl_txq_update_write_ptr(priv, &priv->txq[i]);
|
||||
|
||||
@ -650,7 +660,7 @@ void iwl_irq_tasklet(struct iwl_priv *priv)
|
||||
/* Disable periodic interrupt; we use it as just a one-shot. */
|
||||
iwl_write8(priv, CSR_INT_PERIODIC_REG,
|
||||
CSR_INT_PERIODIC_DIS);
|
||||
iwl_rx_handle(priv);
|
||||
iwl_rx_handle(trans(priv));
|
||||
|
||||
/*
|
||||
* Enable periodic interrupt in 8 msec only if we received
|
||||
|
||||
@ -73,12 +73,14 @@
|
||||
#include "iwl-core.h"
|
||||
#include "iwl-shared.h"
|
||||
|
||||
static int iwl_trans_rx_alloc(struct iwl_priv *priv)
|
||||
static int iwl_trans_rx_alloc(struct iwl_trans *trans)
|
||||
{
|
||||
struct iwl_rx_queue *rxq = &priv->rxq;
|
||||
struct device *dev = priv->bus->dev;
|
||||
struct iwl_trans_pcie *trans_pcie =
|
||||
IWL_TRANS_GET_PCIE_TRANS(trans);
|
||||
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
|
||||
struct device *dev = bus(trans)->dev;
|
||||
|
||||
memset(&priv->rxq, 0, sizeof(priv->rxq));
|
||||
memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq));
|
||||
|
||||
spin_lock_init(&rxq->lock);
|
||||
INIT_LIST_HEAD(&rxq->rx_free);
|
||||
@ -112,9 +114,11 @@ err_bd:
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
static void iwl_trans_rxq_free_rx_bufs(struct iwl_priv *priv)
|
||||
static void iwl_trans_rxq_free_rx_bufs(struct iwl_trans *trans)
|
||||
{
|
||||
struct iwl_rx_queue *rxq = &priv->rxq;
|
||||
struct iwl_trans_pcie *trans_pcie =
|
||||
IWL_TRANS_GET_PCIE_TRANS(trans);
|
||||
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
|
||||
int i;
|
||||
|
||||
/* Fill the rx_used queue with _all_ of the Rx buffers */
|
||||
@ -122,10 +126,10 @@ static void iwl_trans_rxq_free_rx_bufs(struct iwl_priv *priv)
|
||||
/* 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].page != NULL) {
|
||||
dma_unmap_page(priv->bus->dev, rxq->pool[i].page_dma,
|
||||
PAGE_SIZE << hw_params(priv).rx_page_order,
|
||||
dma_unmap_page(bus(trans)->dev, rxq->pool[i].page_dma,
|
||||
PAGE_SIZE << hw_params(trans).rx_page_order,
|
||||
DMA_FROM_DEVICE);
|
||||
__iwl_free_pages(priv, rxq->pool[i].page);
|
||||
__iwl_free_pages(priv(trans), rxq->pool[i].page);
|
||||
rxq->pool[i].page = NULL;
|
||||
}
|
||||
list_add_tail(&rxq->pool[i].list, &rxq->rx_used);
|
||||
@ -181,14 +185,17 @@ static void iwl_trans_rx_hw_init(struct iwl_priv *priv,
|
||||
iwl_write8(priv, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF);
|
||||
}
|
||||
|
||||
static int iwl_rx_init(struct iwl_priv *priv)
|
||||
static int iwl_rx_init(struct iwl_trans *trans)
|
||||
{
|
||||
struct iwl_rx_queue *rxq = &priv->rxq;
|
||||
struct iwl_trans_pcie *trans_pcie =
|
||||
IWL_TRANS_GET_PCIE_TRANS(trans);
|
||||
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
|
||||
|
||||
int i, err;
|
||||
unsigned long flags;
|
||||
|
||||
if (!rxq->bd) {
|
||||
err = iwl_trans_rx_alloc(priv);
|
||||
err = iwl_trans_rx_alloc(trans);
|
||||
if (err)
|
||||
return err;
|
||||
}
|
||||
@ -197,7 +204,7 @@ static int iwl_rx_init(struct iwl_priv *priv)
|
||||
INIT_LIST_HEAD(&rxq->rx_free);
|
||||
INIT_LIST_HEAD(&rxq->rx_used);
|
||||
|
||||
iwl_trans_rxq_free_rx_bufs(priv);
|
||||
iwl_trans_rxq_free_rx_bufs(trans);
|
||||
|
||||
for (i = 0; i < RX_QUEUE_SIZE; i++)
|
||||
rxq->queue[i] = NULL;
|
||||
@ -209,45 +216,48 @@ static int iwl_rx_init(struct iwl_priv *priv)
|
||||
rxq->free_count = 0;
|
||||
spin_unlock_irqrestore(&rxq->lock, flags);
|
||||
|
||||
iwlagn_rx_replenish(priv);
|
||||
iwlagn_rx_replenish(trans);
|
||||
|
||||
iwl_trans_rx_hw_init(priv, rxq);
|
||||
iwl_trans_rx_hw_init(priv(trans), rxq);
|
||||
|
||||
spin_lock_irqsave(&priv->shrd->lock, flags);
|
||||
spin_lock_irqsave(&trans->shrd->lock, flags);
|
||||
rxq->need_update = 1;
|
||||
iwl_rx_queue_update_write_ptr(priv, rxq);
|
||||
spin_unlock_irqrestore(&priv->shrd->lock, flags);
|
||||
iwl_rx_queue_update_write_ptr(trans, rxq);
|
||||
spin_unlock_irqrestore(&trans->shrd->lock, flags);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void iwl_trans_pcie_rx_free(struct iwl_priv *priv)
|
||||
static void iwl_trans_pcie_rx_free(struct iwl_trans *trans)
|
||||
{
|
||||
struct iwl_rx_queue *rxq = &priv->rxq;
|
||||
struct iwl_trans_pcie *trans_pcie =
|
||||
IWL_TRANS_GET_PCIE_TRANS(trans);
|
||||
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
|
||||
|
||||
unsigned long flags;
|
||||
|
||||
/*if rxq->bd is NULL, it means that nothing has been allocated,
|
||||
* exit now */
|
||||
if (!rxq->bd) {
|
||||
IWL_DEBUG_INFO(priv, "Free NULL rx context\n");
|
||||
IWL_DEBUG_INFO(trans, "Free NULL rx context\n");
|
||||
return;
|
||||
}
|
||||
|
||||
spin_lock_irqsave(&rxq->lock, flags);
|
||||
iwl_trans_rxq_free_rx_bufs(priv);
|
||||
iwl_trans_rxq_free_rx_bufs(trans);
|
||||
spin_unlock_irqrestore(&rxq->lock, flags);
|
||||
|
||||
dma_free_coherent(priv->bus->dev, sizeof(__le32) * RX_QUEUE_SIZE,
|
||||
dma_free_coherent(bus(trans)->dev, sizeof(__le32) * RX_QUEUE_SIZE,
|
||||
rxq->bd, rxq->bd_dma);
|
||||
memset(&rxq->bd_dma, 0, sizeof(rxq->bd_dma));
|
||||
rxq->bd = NULL;
|
||||
|
||||
if (rxq->rb_stts)
|
||||
dma_free_coherent(priv->bus->dev,
|
||||
dma_free_coherent(bus(trans)->dev,
|
||||
sizeof(struct iwl_rb_status),
|
||||
rxq->rb_stts, rxq->rb_stts_dma);
|
||||
else
|
||||
IWL_DEBUG_INFO(priv, "Free rxq->rb_stts which is NULL\n");
|
||||
IWL_DEBUG_INFO(trans, "Free rxq->rb_stts which is NULL\n");
|
||||
memset(&rxq->rb_stts_dma, 0, sizeof(rxq->rb_stts_dma));
|
||||
rxq->rb_stts = NULL;
|
||||
}
|
||||
@ -614,7 +624,7 @@ static int iwl_nic_init(struct iwl_priv *priv)
|
||||
priv->cfg->lib->nic_config(priv);
|
||||
|
||||
/* Allocate the RX queue, or reset if it is already allocated */
|
||||
iwl_rx_init(priv);
|
||||
iwl_rx_init(trans(priv));
|
||||
|
||||
/* Allocate or reset and init all Tx and Command queues */
|
||||
if (iwl_tx_init(priv))
|
||||
@ -1120,6 +1130,8 @@ static void iwl_trans_pcie_kick_nic(struct iwl_priv *priv)
|
||||
|
||||
static int iwl_trans_pcie_request_irq(struct iwl_trans *trans)
|
||||
{
|
||||
struct iwl_trans_pcie *trans_pcie =
|
||||
IWL_TRANS_GET_PCIE_TRANS(trans);
|
||||
struct iwl_priv *priv = priv(trans);
|
||||
int err;
|
||||
|
||||
@ -1136,7 +1148,7 @@ static int iwl_trans_pcie_request_irq(struct iwl_trans *trans)
|
||||
return err;
|
||||
}
|
||||
|
||||
INIT_WORK(&priv->rx_replenish, iwl_bg_rx_replenish);
|
||||
INIT_WORK(&trans_pcie->rx_replenish, iwl_bg_rx_replenish);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1163,8 +1175,11 @@ static struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd)
|
||||
sizeof(struct iwl_trans_pcie),
|
||||
GFP_KERNEL);
|
||||
if (iwl_trans) {
|
||||
struct iwl_trans_pcie *trans_pcie =
|
||||
IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
|
||||
iwl_trans->ops = &trans_ops_pcie;
|
||||
iwl_trans->shrd = shrd;
|
||||
trans_pcie->trans = iwl_trans;
|
||||
}
|
||||
|
||||
return iwl_trans;
|
||||
@ -1173,7 +1188,7 @@ static struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd)
|
||||
#ifdef CONFIG_IWLWIFI_DEBUGFS
|
||||
/* create and remove of files */
|
||||
#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
|
||||
if (!debugfs_create_file(#name, mode, parent, priv, \
|
||||
if (!debugfs_create_file(#name, mode, parent, trans, \
|
||||
&iwl_dbgfs_##name##_ops)) \
|
||||
return -ENOMEM; \
|
||||
} while (0)
|
||||
@ -1218,12 +1233,15 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
|
||||
char __user *user_buf,
|
||||
size_t count, loff_t *ppos)
|
||||
{
|
||||
struct iwl_priv *priv = file->private_data;
|
||||
struct iwl_trans *trans = file->private_data;
|
||||
struct iwl_priv *priv = priv(trans);
|
||||
int pos = 0, ofs = 0;
|
||||
int cnt = 0, entry;
|
||||
struct iwl_trans_pcie *trans_pcie =
|
||||
IWL_TRANS_GET_PCIE_TRANS(trans);
|
||||
struct iwl_tx_queue *txq;
|
||||
struct iwl_queue *q;
|
||||
struct iwl_rx_queue *rxq = &priv->rxq;
|
||||
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
|
||||
char *buf;
|
||||
int bufsz = ((IWL_TRAFFIC_ENTRIES * IWL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
|
||||
(priv->cfg->base_params->num_of_queues * 32 * 8) + 400;
|
||||
@ -1231,16 +1249,16 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
|
||||
ssize_t ret;
|
||||
|
||||
if (!priv->txq) {
|
||||
IWL_ERR(priv, "txq not ready\n");
|
||||
IWL_ERR(trans, "txq not ready\n");
|
||||
return -EAGAIN;
|
||||
}
|
||||
buf = kzalloc(bufsz, GFP_KERNEL);
|
||||
if (!buf) {
|
||||
IWL_ERR(priv, "Can not allocate buffer\n");
|
||||
IWL_ERR(trans, "Can not allocate buffer\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
|
||||
for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++) {
|
||||
for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) {
|
||||
txq = &priv->txq[cnt];
|
||||
q = &txq->q;
|
||||
pos += scnprintf(buf + pos, bufsz - pos,
|
||||
@ -1248,10 +1266,10 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
|
||||
cnt, q->read_ptr, q->write_ptr);
|
||||
}
|
||||
if (priv->tx_traffic &&
|
||||
(iwl_get_debug_level(priv->shrd) & IWL_DL_TX)) {
|
||||
(iwl_get_debug_level(trans->shrd) & IWL_DL_TX)) {
|
||||
ptr = priv->tx_traffic;
|
||||
pos += scnprintf(buf + pos, bufsz - pos,
|
||||
"Tx Traffic idx: %u\n", priv->tx_traffic_idx);
|
||||
"Tx Traffic idx: %u\n", priv->tx_traffic_idx);
|
||||
for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
|
||||
for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
|
||||
entry++, ofs += 16) {
|
||||
@ -1272,10 +1290,10 @@ static ssize_t iwl_dbgfs_traffic_log_read(struct file *file,
|
||||
rxq->read, rxq->write);
|
||||
|
||||
if (priv->rx_traffic &&
|
||||
(iwl_get_debug_level(priv->shrd) & IWL_DL_RX)) {
|
||||
(iwl_get_debug_level(trans->shrd) & IWL_DL_RX)) {
|
||||
ptr = priv->rx_traffic;
|
||||
pos += scnprintf(buf + pos, bufsz - pos,
|
||||
"Rx Traffic idx: %u\n", priv->rx_traffic_idx);
|
||||
"Rx Traffic idx: %u\n", priv->rx_traffic_idx);
|
||||
for (cnt = 0, ofs = 0; cnt < IWL_TRAFFIC_ENTRIES; cnt++) {
|
||||
for (entry = 0; entry < IWL_TRAFFIC_ENTRY_SIZE / 16;
|
||||
entry++, ofs += 16) {
|
||||
@ -1299,7 +1317,7 @@ static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
|
||||
const char __user *user_buf,
|
||||
size_t count, loff_t *ppos)
|
||||
{
|
||||
struct iwl_priv *priv = file->private_data;
|
||||
struct iwl_trans *trans = file->private_data;
|
||||
char buf[8];
|
||||
int buf_size;
|
||||
int traffic_log;
|
||||
@ -1311,7 +1329,7 @@ static ssize_t iwl_dbgfs_traffic_log_write(struct file *file,
|
||||
if (sscanf(buf, "%d", &traffic_log) != 1)
|
||||
return -EFAULT;
|
||||
if (traffic_log == 0)
|
||||
iwl_reset_traffic_log(priv);
|
||||
iwl_reset_traffic_log(priv(trans));
|
||||
|
||||
return count;
|
||||
}
|
||||
@ -1320,7 +1338,8 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
|
||||
char __user *user_buf,
|
||||
size_t count, loff_t *ppos) {
|
||||
|
||||
struct iwl_priv *priv = file->private_data;
|
||||
struct iwl_trans *trans = file->private_data;
|
||||
struct iwl_priv *priv = priv(trans);
|
||||
struct iwl_tx_queue *txq;
|
||||
struct iwl_queue *q;
|
||||
char *buf;
|
||||
@ -1338,7 +1357,7 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
|
||||
if (!buf)
|
||||
return -ENOMEM;
|
||||
|
||||
for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++) {
|
||||
for (cnt = 0; cnt < hw_params(trans).max_txq_num; cnt++) {
|
||||
txq = &priv->txq[cnt];
|
||||
q = &txq->q;
|
||||
pos += scnprintf(buf + pos, bufsz - pos,
|
||||
@ -1363,8 +1382,10 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
|
||||
static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
|
||||
char __user *user_buf,
|
||||
size_t count, loff_t *ppos) {
|
||||
struct iwl_priv *priv = file->private_data;
|
||||
struct iwl_rx_queue *rxq = &priv->rxq;
|
||||
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;
|
||||
char buf[256];
|
||||
int pos = 0;
|
||||
const size_t bufsz = sizeof(buf);
|
||||
@ -1396,8 +1417,6 @@ DEBUGFS_READ_FILE_OPS(tx_queue);
|
||||
static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans,
|
||||
struct dentry *dir)
|
||||
{
|
||||
struct iwl_priv *priv = priv(trans);
|
||||
|
||||
DEBUGFS_ADD_FILE(traffic_log, dir, S_IWUSR | S_IRUSR);
|
||||
DEBUGFS_ADD_FILE(rx_queue, dir, S_IRUSR);
|
||||
DEBUGFS_ADD_FILE(tx_queue, dir, S_IRUSR);
|
||||
|
||||
@ -112,7 +112,7 @@ struct iwl_trans_ops {
|
||||
void (*stop_device)(struct iwl_priv *priv);
|
||||
void (*tx_start)(struct iwl_priv *priv);
|
||||
void (*tx_free)(struct iwl_priv *priv);
|
||||
void (*rx_free)(struct iwl_priv *priv);
|
||||
void (*rx_free)(struct iwl_trans *trans);
|
||||
|
||||
int (*send_cmd)(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
|
||||
|
||||
@ -177,7 +177,7 @@ static inline void iwl_trans_tx_start(struct iwl_trans *trans)
|
||||
|
||||
static inline void iwl_trans_rx_free(struct iwl_trans *trans)
|
||||
{
|
||||
trans->ops->rx_free(priv(trans));
|
||||
trans->ops->rx_free(trans);
|
||||
}
|
||||
|
||||
static inline void iwl_trans_tx_free(struct iwl_trans *trans)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user