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path: root/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/internal.h')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/internal.h21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
index f14bcef3495e..72f144c3a46e 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
@@ -106,6 +106,8 @@ struct iwl_host_cmd;
* @page: driver's pointer to the rxb page
* @invalid: rxb is in driver ownership - not owned by HW
* @vid: index of this rxb in the global table
+ * @offset: indicates which offset of the page (in bytes)
+ * this buffer uses (if multiple RBs fit into one page)
*/
struct iwl_rx_mem_buffer {
dma_addr_t page_dma;
@@ -113,6 +115,7 @@ struct iwl_rx_mem_buffer {
u16 vid;
bool invalid;
struct list_head list;
+ u32 offset;
};
/**
@@ -491,6 +494,7 @@ struct cont_rec {
* @sw_csum_tx: if true, then the transport will compute the csum of the TXed
* frame.
* @rx_page_order: page order for receive buffer size
+ * @rx_buf_bytes: RX buffer (RB) size in bytes
* @reg_lock: protect hw register access
* @mutex: to protect stop_device / start_fw / start_hw
* @cmd_in_flight: true when we have a host command in flight
@@ -510,11 +514,16 @@ struct cont_rec {
* @in_rescan: true if we have triggered a device rescan
* @base_rb_stts: base virtual address of receive buffer status for all queues
* @base_rb_stts_dma: base physical address of receive buffer status
+ * @supported_dma_mask: DMA mask to validate the actual address against,
+ * will be DMA_BIT_MASK(11) or DMA_BIT_MASK(12) depending on the device
+ * @alloc_page_lock: spinlock for the page allocator
+ * @alloc_page: allocated page to still use parts of
+ * @alloc_page_used: how much of the allocated page was already used (bytes)
*/
struct iwl_trans_pcie {
struct iwl_rxq *rxq;
- struct iwl_rx_mem_buffer rx_pool[RX_POOL_SIZE];
- struct iwl_rx_mem_buffer *global_table[RX_POOL_SIZE];
+ struct iwl_rx_mem_buffer *rx_pool;
+ struct iwl_rx_mem_buffer **global_table;
struct iwl_rb_allocator rba;
union {
struct iwl_context_info *ctxt_info;
@@ -573,6 +582,7 @@ struct iwl_trans_pcie {
u8 no_reclaim_cmds[MAX_NO_RECLAIM_CMDS];
u8 max_tbs;
u16 tfd_size;
+ u16 num_rx_bufs;
enum iwl_amsdu_size rx_buf_size;
bool bc_table_dword;
@@ -580,6 +590,13 @@ struct iwl_trans_pcie {
bool sw_csum_tx;
bool pcie_dbg_dumped_once;
u32 rx_page_order;
+ u32 rx_buf_bytes;
+ u32 supported_dma_mask;
+
+ /* allocator lock for the two values below */
+ spinlock_t alloc_page_lock;
+ struct page *alloc_page;
+ u32 alloc_page_used;
/*protect hw register */
spinlock_t reg_lock;