diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2019-10-02 11:33:46 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2019-12-23 11:54:31 +0200 |
| commit | 80084e3591390367f56161a48b6818b3a3fd64df (patch) | |
| tree | aa513fd0c833ef63302ff9104173ea49a637f158 /drivers/net/wireless/intel/iwlwifi/pcie/internal.h | |
| parent | c042f0c77f3df39ac4d530f5720ed64ff2f38375 (diff) | |
iwlwifi: pcie: map only used part of RX buffers
We don't need to map *everything* of the RX buffers, we won't use
that much, map only the part we're going to use. This save some
IOMMU space (if applicable and it can deal with that) and also
prepares a bit for mapping partial pages for 2K buffers later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/internal.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/internal.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index c45df9a48559..c7d094cf1e4e 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -491,6 +491,7 @@ 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 @@ -581,6 +582,7 @@ struct iwl_trans_pcie { bool sw_csum_tx; bool pcie_dbg_dumped_once; u32 rx_page_order; + u32 rx_buf_bytes; /*protect hw register */ spinlock_t reg_lock; |