diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/internal.h')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/internal.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index c7d094cf1e4e..2ac730859eac 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; }; /** @@ -511,6 +514,11 @@ 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; @@ -583,6 +591,12 @@ struct iwl_trans_pcie { 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; |